专利摘要:
A tube (11) is assembled on a plate (16) with the inter position of a seal element (17). The plate and the seal element both have a hole and the hole of the seal element is provided with a collar (21). The seal element is located in the hole in the plate and one end of the tube is inserted into the collar. The method of assembly includes the step that, before the tube is inserted into the collar, the collar is prestressed by subjecting it to a radial reduction of its thickness in abutment with the hole of the plate, so as to permit insertion of the tube into the collar. <IMAGE>
公开号:SU1190978A3
申请号:SU833608928
申请日:1983-06-22
公开日:1985-11-07
发明作者:Вилльваль Дени
申请人:Валео (Фирма);
IPC主号:
专利说明:

the thickness of the annular shoulder in the initial state.
3, method according to claim 1, characterized in that the plate opening is pre-filled with an annular collar under the annular collar of the sealing gasket.
4. A tool for assembling an automotive heat exchanger plate with at least one tube, comprising a support for the plate and a tube movement actuator that is different. by that
in order to increase the quality and reliability of the compound obtained, it
provided with a clamping plate installed with the possibility of movement in the assembly and clamping direction of the sealing gasket, and a stepped punch made with the centering end section and the working section adjacent to it by means of a conical transitional belt, which is axially displaced , and the supporting device for the plate is made in the form of brackets with recesses under the edge of the plate, mounted for movement in opposite relative to the punch detecting x.
The invention relates to the assembly production, in particular to the collection of automobile heat exchangers, made in the form of plates, tubes and sealing gaskets placed with them. Fig. 1 shows a automotive heat exchanger, the general view, in Fig. 2, is the same section A-A in Fig. 1 in Fig. 3 — a pipe, a plate. And a sealing gasket prior to assembly; Fig. 4 shows a pipe, a plate and a sealing gasket after it has been applied to the plate; fig. 3 - the same, after radial elastic deformation of the annular shoulder of the sealing gasket; 6 - the same, after installing the pipe into the opening of the plates in FIG. 7 - the same, after radial distribution of the end section of the pipe; Fig. 8 shows a tool for carrying out the method in a position where a plate with a sealing gasket is installed in the recesses of the brackets and the punches are in the initial position; Fig. 9 is the same in the position where the sealing gasket and the plates are pressed against the support fixture by a pressure plate; Fig. 10 is the same in the position after radial elastic deformations of the annular shoulder of the sealing gasket by the working section of the punch J in Fig. 11 - the same in the position after the end of the centering section of the punch is inserted into the pipe; 12 - the same, in the position after installation by means of a pressure plate with a sealing gasket on the end of the pipe; in Fig.13 is the same, at the time of radial distribution of the end section of the pipe. Automotive heat exchanger (figure 1) consists of a set of pipes 1 through which the cooling fluid passes. The tubes form a parallel bundle and are provided with parallel ribs 2 located one distance from the other. Each pipe with its both ends is installed in water casings 3, with which it communicates through the openings 4. Each of the water casings 3 is equipped with a nozzle 5 for supplying cooling liquid into the pipes, and also has a bottom plate 6 covered with a sealing gasket 7 of elastic material. In the plate there are holes 8 for the ends of the pipes, having annular flanges 9 facing the center of the heat exchanger. In the sealing gasket 7, there are also holes for the holes corresponding to the holes in the plate, of which there is an annular shoulder 11 placed in the annular shoulder 9 of the plate. 31 A method of assembling a plate of an automobile heat exchanger with at least one pipe with a sealing gasket inserted between them (Fig.3-7) is carried out as follows. The annular bead 11 preliminarily made in the sealing insert 7 has an outer diameter D approximately equal to the inner diameter Dg of the annular flange 9 of the plate, and the inner diameter B of the annular flange 11 is approximately equal to the inner diameter D4 of the pipe 1, i.e. The inner diameter Dg is smaller than the outer diameter of the tube Dj. At the first assembly stage, the elastic gasket 7 is pressed against the plate 6 so that each annular flange 11 of the gasket is aligned with its corresponding annular collar 9 of the plate, after which radial elastic deformation of the annular flange 9 of the elastic gasket is carried out by means of a stepped punch until the inner diameter D of the collar 11 will not be approximately equal to the outer diameter of the Dy-pipe 1, as a result of which it will be possible to install the pipe 1 into the gasket hole Radially elastic The deformation of the annular flange 11 causes the formation of a roller 12 at its end, which contributes to a more reliable connection of the gasket with the plate. The radial elastic deformation of the annular shoulder of the sealing gasket is carried out at a value of from 30 to 70% of its thickness, and it is preferable to deform at a value of 50%. After radial elastic deformation of the annular shoulder 11, the plate together with an elastic gasket is put on the end of the pipe, while the flange 11 is in a stressed state. In a preferred embodiment, the elastic gasket is pressed against the plate during elastic deformation of the flange 11 and the plate and gasket are installed on pipe. Next, the pipe is fixed in the plate by means of radial radialization of the end section of the pipe with the formation of expansion 13. A tool for carrying out the proposed method. 8 contains a support device for the plate 6, made in the form of brackets .14 with recesses 15 under the edge of the plate that are mounted to move in opposite directions from the plate, as well as a pressure plate 16 that can move in the assembly direction and press the sealing gasket to the plate. Punches 17 are mounted with axial movement in holes made in pressure plate 16, each of which is made stepped with centering end portion 18 with diameter Dg equal to the inner diameter of the pipe D4 and the inner diameter of the annular shoulder of the sealing gasket in the initial state and connected with it by means of a conical transition section 19 with a working section 20 with a diameter D equal to the outer diameter of the pipe Dy. In addition, the tool contains a pipe movement actuator (not shown). Assembling using the proposed device is carried out as follows. The sealing plate 7 is preliminarily applied to the plate 6, which is fixed in the brackets 14, with its edge being tensioned in the recesses 15 of the brackets. The pipe and pressure plate are on either side of the plate with a sealing gasket. Then the presser plate 16, located on the ger- side. the spacer, move in the direction of the plate, press the gasket against the plate, which at that time rests on the brackets, then insert the punch 17 into the hole of the plate and move it until its working section 20 performs a radial elastic deformation of the annular shoulder the gaskets, and the centering end portion will not enter the pipe, after which the brackets retract and joint movement of the punch with the pipe towards the plate, install the pipe into the plate hole in this way that its end protrudes from the plate hole on the side of the lay-out. Then the punch is moved relative to the pipe in the direction from the end
the latter, as a result of which the conical transitional juice 19 of the punch distributes the protruding end of the pipe and, thus, secures the pipe in the plate. Next, the pressure plate with the pans is retracted.
The proposed method of assembling a plate of an automobile heat exchanger with pipes and a device for its implementation provide an increase in the quality and reliability of the compound obtained.
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权利要求:
Claims (4)
[1]
METHOD FOR ASSEMBLING A PLATE OF A AUTOMOBILE HEAT EXCHANGER AS A LESSER WITH ONE TUBE WITH PLACING BETWEEN THESE SEALING GASKETS AND A TOOL FOR ITS IMPLEMENTATION, (57) 1. A method of assembling a plate with a heat exchanger between the pipe and the heat exchanger with at least one pipe between them in the hole of the plate. Between its walls and the pipe, including the location of the sealing gasket on the plate, the radial elastic deformation of the annular collar is sealed. gap with decreasing its thickness at the point of interaction with the walls of the hole in the plate, introducing the end of the pipe into the hole of the plate and its subsequent fixing, characterized in that, in order to improve the quality and reliability of the connection obtained, a hole with an annular collar is made in the sealing gasket, have a sealing gasket on the plate with the placement of its annular collar in the hole of the plate, radial elastic deformation. ring flange before introducing the end of the pipe into the hole of the plate by means of a stepped punch with a centering end section with a diameter equal to pipe, while the punch is inserted into the hole of the plate from the side of the sealing gasket, the pipe is placed on the opposite side, the punch is moved to the hole Holes of the plate in the direction of the pipe with simultaneous radial elastic deformation by its working section of the annular collar of the sealing gasket until the centering end section is placed in the pipe, after which the punch and the pipe are jointly moved in the opposite direction .; before installing the pipe in the hole * of the plate with the possibility of placing its end section outside the plate from the side of the sealing gasket, and fixing the pipe in the plate is carried out by radially distributing the specified protruding end section of the pipe with a conical transitional belt of the punch by moving the latter relative to the pipe from the end of the last .
[2]
2. The method according to claim 1, characterized in that the radial elastic deformation of the annular flange of the sealing gasket is carried out by a value. 30-70%. Of ”SU„., 1190978 thickness of the annular collar in the initial state.
[3]
3. The method according to claim 1, characterized in that the hole of the plate is preliminarily performed with an annular collar under the annular collar of the sealing gasket.
[4]
4. A tool for assembling a plate of an automobile heat exchanger with at least one pipe, comprising a plate support device and a pipe displacement drive, characterized in that, in order to improve the quality and reliability of the obtained connection, it is equipped with a pressure plate mounted for displacement in the direction assembly and pressing of the sealing gasket, and a stepped punch made with a centering end-section and mating with him through a conical transitional belt working section, p placed in the pressure plate, with the possibility of axial movement, and the supporting device for the plate is made in the form of brackets with recesses under the edges of the plate installed with the possibility of movement in opposite directions relative to the punch ’.
类似技术:
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同族专利:
公开号 | 公开日
DE3322453C2|1992-10-08|
MX158245A|1989-01-17|
CS250232B2|1987-04-16|
DE3322453A1|1983-12-29|
IT1171186B|1987-06-10|
ES8406912A1|1984-08-16|
IT8312556D0|1983-06-22|
FR2529110A1|1983-12-30|
GB2122928A|1984-01-25|
SE8303599L|1983-12-24|
JPS599497A|1984-01-18|
GB2122928B|1985-10-02|
GB8315112D0|1983-07-06|
FR2529110B1|1985-08-23|
SE8303599D0|1983-06-22|
BR8303279A|1984-02-07|
SE448527B|1987-03-02|
ZA834195B|1984-03-28|
ES523505A0|1984-08-16|
AR231701A1|1985-02-28|
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法律状态:
优先权:
申请号 | 申请日 | 专利标题
FR8210979A|FR2529110B1|1982-06-23|1982-06-23|METHOD FOR MOUNTING AT LEAST ONE TUBE ON A PLATE, TOOLS FOR CARRYING OUT THIS METHOD AND THE RADIATORS, PARTICULARLY FOR MOTOR VEHICLES OBTAINED BY THIS PROCESS, AND OTHER APPLICATIONS|
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