CN111390476B - Welding positioning device and positioning method for spring disc of automobile shock absorber - Google Patents
Welding positioning device and positioning method for spring disc of automobile shock absorber Download PDFInfo
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- CN111390476B CN111390476B CN202010337658.7A CN202010337658A CN111390476B CN 111390476 B CN111390476 B CN 111390476B CN 202010337658 A CN202010337658 A CN 202010337658A CN 111390476 B CN111390476 B CN 111390476B
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- 238000003466 welding Methods 0.000 title claims abstract description 83
- 230000035939 shock Effects 0.000 title claims abstract description 74
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 71
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000003860 storage Methods 0.000 claims abstract description 61
- 230000003044 adaptive effect Effects 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 230000000903 blocking effect Effects 0.000 claims description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012938 design process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
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Abstract
The invention provides a welding and positioning device for an automobile shock absorber spring disc and a positioning method for welding and positioning by using the device. The welding and positioning device for the spring disc of the automobile shock absorber has good flexibility and strong universality, can adapt to welding of the spring discs of shock absorbers with different specifications, and has high positioning precision and good consistency of welded products. The welding and positioning device for the spring disc of the automobile shock absorber comprises a base; a positioning platform is arranged on the base; the positioning platform comprises a reference plate, a positioning plate and six actuating cylinders, wherein two ends of each actuating cylinder are respectively connected with the reference plate and the positioning plate through universal hinges; the positioning plate has six degrees of freedom relative to the reference plate and can be adjusted in position through the actuating cylinder; the positioning plate is provided with a channel hole for the oil storage cylinder to pass through, the base is correspondingly provided with an oil storage cylinder axial positioning column, and the upper end of the oil storage cylinder axial positioning column is provided with an axial positioning step which is adaptive to the inner diameter of the oil storage cylinder; and a spring disc circumferential positioning column is arranged on the positioning plate.
Description
Technical Field
The invention relates to an automobile spring disc welding technology, in particular to an automobile shock absorber spring disc welding and positioning device and a positioning method for welding and positioning by using the device.
Background
The shock absorber is an indispensable important component in a suspension system of an automobile and is mainly used for inhibiting the shock when the shock absorbing spring absorbs the shock and then rebounds and the impact from the road surface. During the processing of the shock absorber, a spring disc needs to be welded on the oil storage cylinder. In the prior art, when the automobile shock absorber spring disc is welded and positioned, different tools are designed according to different products because the helix angle of the spring disc is ensured to be consistent with the design process requirements, and the two tools are mainly divided into the following two types at present:
1) and the female die is in accordance with the shape of the spring disc (the female die is formed by three-dimensional modeling of the spring disc, and then is formed by milling a metal material through a machining center). The structure is reliable, the stability is high, the consistency of products is good; however, the requirement on the skill of personnel is high, the cost investment is high, a CNC machining center is required to be equipped, and the universality is not high.
2) Three-pivot or multi-pivot tool. The structure adopts a three-point stress balance principle and is formed by a metal disc and an adjustable bolt. The structure is simple, and the processing is easy; however, the structural stability is not good enough, the product consistency after welding is not good, and the versatility is poor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a welding and positioning device for an automobile shock absorber spring disc and a positioning method for welding and positioning by using the device. The welding and positioning device for the spring disc of the automobile shock absorber has good flexibility and strong universality, can adapt to welding of the spring discs of shock absorbers with different specifications, and has high positioning precision and good consistency of welded products.
For the positioning device, the invention provides the following technical scheme:
the welding and positioning device for the spring holder of the automobile shock absorber comprises a base; a positioning platform is arranged on the base; the positioning platform comprises a reference plate, a positioning plate and six actuating cylinders, wherein two ends of each actuating cylinder are respectively connected with the reference plate and the positioning plate through universal hinges; the positioning plate has six degrees of freedom relative to the reference plate and can be adjusted in position through the actuating cylinder; the positioning plate is provided with a channel hole for the oil storage cylinder to pass through, correspondingly, the base is provided with an oil storage cylinder axial positioning column, and the upper end of the oil storage cylinder axial positioning column is provided with an axial positioning step which is adaptive to the inner diameter of the oil storage cylinder; and the positioning plate is provided with a circumferential positioning column of the spring disc corresponding to the water leakage hole on the spring disc.
Compared with the prior art, the welding and positioning device for the spring disc of the automobile shock absorber has the following remarkable advantages:
1) the device has good flexibility and strong universality; the positioning plate has six degrees of freedom and can be driven by the actuating cylinders, so that the positioning plate can be adjusted to a corresponding position by controlling the working of the actuating cylinders according to the design requirements of different products, the welding positioning requirements of shock absorber spring discs of different specifications are met, the rapid shape change is realized, various tools do not need to be designed aiming at the products of various specifications, and the tool, field and working hour investment can be reduced;
2) the positioning precision is high, and the consistency of the welded product is good; the positioning plate is supported by the actuating cylinders after the positioning is finished, so that the positioning precision is high, the stability is good, and the consistency of products after welding is good;
3) the operation is convenient; the oil storage cylinder axial positioning column is arranged on the base, the spring disc circumferential positioning column is arranged on the positioning plate, the spring disc is circumferentially positioned, when the oil storage cylinder axial positioning column is operated, the spring disc is placed on the positioning plate, the specified water leakage hole is matched with the spring disc circumferential positioning column, the oil storage cylinder sequentially penetrates through the assembling hole in the spring disc and the channel hole in the positioning plate to be inserted into the oil storage cylinder axial positioning column to be matched with the axial positioning step, and welding positioning can be completed.
In the welding and positioning device for the spring disc of the automobile shock absorber, the actuating cylinder can be a servo hydraulic cylinder.
Preferably, in the welding and positioning device for the spring disc of the automobile shock absorber, a group of lever cylinders for clamping the spring disc is arranged on the base along the circumferential direction of the positioning plate; the lever cylinder is fixedly connected with the base through a cylinder support. Through setting up the lever cylinder, after the spring holder location is accomplished, utilize the lever cylinder to press from both sides tight spring holder, prevent that the spring holder from taking place to remove in welding process to improve the yields, reduce the defective products. Furthermore, the number of the lever cylinders can be three, and the lever cylinders are arranged along the circumferential direction at intervals of 120 degrees.
Preferably, in the welding and positioning device for the spring disc of the automobile shock absorber, a spring disc edge contour circle center positioning groove used for being matched with the edge of the spring disc is formed in the positioning plate. During operation, the spring dish is arranged in spring dish edge profile centre of a circle constant head tank, the spring dish edge profile coincides with the centre of a circle of spring dish edge profile centre of a circle constant head tank, fix a position the centre of a circle of spring dish edge profile, appointed hole that leaks on the spring dish carries out circumference location with the cooperation of spring dish circumference reference column to the spring dish, thereby need not fix a position the spring dish through pilot hole on the spring dish and the cooperation of oil storage jar, can be slightly bigger than the external diameter of oil storage jar with the pilot hole design on the spring dish, make things convenient for the oil storage jar to pass, make the operation simpler. Furthermore, the circumferential positioning column of the spring disc is movably connected with the positioning plate, and the position of the circumferential positioning column of the spring disc can be adjusted along the radial direction of the positioning groove of the circle center of the edge contour of the spring disc. When setting up spring disc edge profile centre of a circle constant head tank on the locating plate, spring disc and locating plate relative position are fixed, and the spring disc can only be at spring disc edge profile centre of a circle constant head tank internal rotation, and the scope that the locating plate can be adjusted diminishes, the unable and the hole complex condition that leaks on the spring disc of spring disc circumference reference column probably appears, and the device commonality receives the restriction. The position of the spring disc circumferential positioning column can be adjusted along the radial direction of the spring disc edge contour circle center positioning groove, so that the water leakage holes in the spring disc can be smoothly matched with the spring disc circumferential positioning column by adjusting the position of the spring disc circumferential positioning column, and the defect that the adjustable range is limited due to the fact that the spring disc edge contour circle center positioning groove is arranged is overcome. Still further, the spring holder circumference reference column can set up as follows: the positioning plate is provided with strip-shaped adjusting holes which are distributed along the circle center positioning groove in the edge profile of the spring disc in the radial direction; the lower end of the circumferential positioning column of the spring disc is provided with a blocking head, and a thread is processed above the blocking head; the upper end of the circumferential positioning column of the spring disc penetrates out of the strip-shaped adjusting hole from bottom to top and is locked by a locking nut matched with the thread on the circumferential positioning column. The circumferential positioning column with the spring disc arranged by the structure is easy to manufacture and convenient to implement.
Preferably, in the welding and positioning device for the spring disc of the automobile shock absorber, the adjusting pipe with the outer diameter matched with the size of the water leakage hole in the spring disc is sleeved on the circumferential positioning column of the spring disc. Through setting up the adjusting pipe, let the outer wall of adjusting pipe and the edge butt in hole that leaks, after the spring holder location, difficult emergence displacement can improve the yields. The adjusting pipe can be inserted into or screwed with the circumferential positioning column of the spring disc.
Preferably, in the welding and positioning device for the spring disc of the automobile shock absorber, a plurality of axial positioning steps which are respectively adapted to the inner diameters of the oil storage cylinders with different specifications are arranged at the upper ends of the axial positioning columns of the oil storage cylinders. The diameters of the oil storage cylinders of different shock absorber products are different, and the universality of the device can be further improved by arranging a plurality of axial positioning steps which are respectively matched with the oil storage cylinders of different specifications.
For the method, the invention provides the following technical scheme:
the method is realized on a welding and positioning device for the spring disc of the automobile shock absorber; the welding and positioning device for the spring disc of the automobile shock absorber comprises a base; a positioning platform is arranged on the base; the positioning platform comprises a reference plate, a positioning plate and six actuating cylinders, wherein two ends of each actuating cylinder are respectively connected with the reference plate and the positioning plate through universal hinges; the positioning plate has six degrees of freedom relative to the base and can be adjusted in position through the actuating cylinder; the positioning plate is provided with a channel hole for the oil storage cylinder to pass through, correspondingly, the base is provided with an oil storage cylinder axial positioning column, and the upper end of the oil storage cylinder axial positioning column is provided with an axial positioning step which is adaptive to the inner diameter of the oil storage cylinder; the positioning plate is provided with a circular circumferential positioning groove which is adaptive to the size of the spring disc and at least one spring disc circumferential positioning column which is arranged corresponding to the water leakage hole on the spring disc; the actuating cylinder is connected with the PLC; when the positioning device works, the PLC controls the actuating cylinder to act according to set parameters, the positioning plate is adjusted to a specific position, then the spring disc is placed on the positioning plate, and the designated water leakage hole on the spring disc is matched with the circumferential positioning column of the spring disc correspondingly arranged on the positioning plate; and then the oil storage cylinder sequentially penetrates through an assembling hole on the spring disc and a channel hole on the positioning plate to be inserted into the axial positioning column of the oil storage cylinder to be matched with the axial positioning step to complete welding positioning.
Compared with the prior art, the method of the invention positions the spring disc by using the welding positioning device of the spring disc of the automobile shock absorber, the positioning precision is high, and the consistency of the welded product is good.
Preferably, in the welding and positioning method for the spring disc of the automobile shock absorber, a group of lever cylinders for clamping the spring disc is arranged on the base along the circumferential direction of the positioning plate; the lever cylinder is electrically connected with the PLC; when the device works, after the oil storage cylinder is inserted into the axial positioning column of the oil storage cylinder, the PLC controls the lever cylinder to act to clamp the spring disc. Thereby, prevent that the spring holder from taking place the displacement in welding process, improve the welding yields.
Drawings
FIG. 1 is a schematic structural view of a welding and positioning device for a spring holder of an automobile shock absorber;
FIG. 2 is a schematic structural diagram of an embodiment 1 of the welding and positioning device for the spring holder of the shock absorber of the automobile;
FIG. 3 is a schematic view of the welding and positioning device for the spring holder of the shock absorber of FIG. 2;
FIG. 4 is a schematic structural diagram of embodiment 2 of the welding and positioning device for the spring holder of the shock absorber of the automobile of the invention;
FIG. 5 is a schematic view of the welding and positioning device for the spring holder of the shock absorber of FIG. 4;
FIG. 6 is a schematic structural view of an axial positioning column of an oil storage cylinder in the welding and positioning device for the spring plate of the automobile shock absorber. (case with multiple axial positioning steps)
In the drawings, the reference numbers: 1-a base; 2-a positioning platform, 201-a reference plate, 202-a positioning plate, 2021-a channel hole, 2022-a spring disc edge contour circle center positioning groove, 2023-a strip-shaped adjusting hole, 203-an actuating cylinder, 204-a spring disc circumferential positioning column, 205-a locking nut and 206-an adjusting pipe; 3-axial positioning columns of the oil storage cylinders, 301-axial positioning steps; 4-a lever cylinder; 5-a cylinder support; 6-a spring holder; 7-oil storage cylinder; 8-a shock absorber mounting bracket; 9-bracket positioner, 901-supporting column, 902-positioning rod.
Detailed Description
The present invention will be further described with reference to the drawings and the detailed description (examples), but the present invention is not limited thereto.
Referring to fig. 1-6, the welding and positioning device for the spring disc of the automobile shock absorber comprises a base 1; a positioning platform 2 is arranged on the base 1; the positioning platform 2 comprises a reference plate 201, a positioning plate 202 and six actuating cylinders 203, wherein two ends of the six actuating cylinders 203 are respectively connected with the reference plate 201 and the positioning plate 202 through universal hinges; the base plate 201 is fixed on the base 1, the positioning plate 202 has six degrees of freedom relative to the base plate 201 and can be adjusted in position through the actuating cylinders 203 (the positioning platform 2 is a six-degree-of-freedom platform, XYZ three-axis rectangular coordinates are established by taking the plane of the base plate 201 as an XY-axis plane, and the positioning plate 202 has a degree of freedom of moving along an X, Y, Z axis and a degree of freedom of rotating around an X, Y, Z axis); a channel hole 2021 through which the oil storage cylinder 7 can pass is formed in the positioning plate 202, correspondingly, an oil storage cylinder axial positioning column 3 is arranged on the base 1, and an axial positioning step 301 which is adaptive to the inner diameter of the oil storage cylinder 7 is formed at the upper end of the oil storage cylinder axial positioning column 3; on the locating plate 202, correspond with the hole that leaks on the spring dish 6, be equipped with spring dish circumference reference column 204 (the size of reference column 204 can be the same with the hole that leaks that corresponds on the spring dish 6 size that leaks, also can be less than the hole that leaks that corresponds on the spring dish 6 size, with the little of the size design of spring dish circumference reference column 204, the commonality is better when the size of spring dish circumference reference column 204 is less than the hole size that leaks that corresponds, after the cooperation, spring dish circumference reference column 204 is eccentric form with the hole that leaks that corresponds, the lateral part offsets with the lateral wall that leaks the hole).
The actuators 203 can be servo hydraulic cylinders controlled by PLC controllers connected to the MES system (manufacturing enterprise process execution management system). When the shock absorber positioning device works, a worker selects the type of the shock absorber to be machined through a human-computer interface, the PLC controller calls relevant technological parameters from the M ES system according to the type of the shock absorber, then the actuating cylinder 203 is controlled to work, and the positioning plate 202 is adjusted to a set position.
A group of lever cylinders 4 for clamping the spring disc 6 can be arranged on the base 1 along the circumferential direction of the positioning plate 202; the lever cylinder 4 can be fixedly connected with the base 1 through a cylinder bracket 5. Therefore, after the spring disc 6 is positioned, the lever cylinder 4 clamps the spring disc 6, and the spring disc 6 is prevented from moving in the welding process to generate defective products.
The process route for welding the spring disc 6 can be that after the positioning is finished on the positioning device, pre-positioning welding is firstly carried out by argon arc welding (a plurality of points are welded along the circumferential direction of the assembly hole of the spring disc 6 to fix the spring disc 6), and then the spring disc 6 is transferred to welding equipment for forming welding; after the positioning is completed in the positioning device installed in the welding equipment, the welding may be directly formed in the welding equipment. The welding and positioning device for the spring disc of the automobile shock absorber can be used for pre-positioning of a first process route and can also be used for positioning of a second process route.
In the production process of the shock absorber, the shock absorber mounting bracket 8 is required to be welded on the oil storage cylinder 7, the shock absorber mounting bracket 8 can be welded with the spring disc 6 at the same time, the shock absorber mounting bracket 8 can be welded firstly and then the spring disc 6 can be welded, or the spring disc 6 is welded firstly and then the shock absorber mounting bracket 8 is welded. The spring disc 6 and the shock absorber mounting bracket 8 are welded simultaneously or welded after the shock absorber mounting bracket 8 is welded, the spring disc 6 needs to be positioned relative to the shock absorber mounting bracket 8, and therefore a corresponding tool is needed to position the shock absorber mounting bracket 8 so as to determine the position of the shock absorber mounting bracket 8. When welding the spring plate 6, if the damper mounting bracket 8 has been welded to the oil reservoir 7, the spring plate 6 needs to be positioned with respect to the damper mounting bracket 8, and therefore, the position of the damper mounting bracket 8 needs to be determined first. If the spring plate 6 is welded according to the first process route described above, a bracket locator 9 for locating the shock absorber mounting bracket 8 may be provided on the base plate 1.
Example 1 (see fig. 2 and 3):
the number of the lever cylinders 4 is three, and the lever cylinders are arranged along the circumferential direction of the positioning plate 202 at intervals of 120 degrees.
The positioning plate 202 is provided with a spring disc edge contour circle center positioning slot 2022 for matching with the edge of the spring disc 6. The spring disc 6 is placed in the spring disc edge contour circle center positioning groove 2022, the edge of the spring disc 6 abuts against the inner wall of the spring disc edge contour circle center positioning groove 2022, the edge circle center of the spring disc 6 coincides with the circle center of the spring disc edge contour circle center positioning groove 2022, the circle center of the spring disc 6 cannot move relative to the positioning plate 202, but the spring disc 6 can rotate around the circle center. In this embodiment, the positioning plate 202 is provided with a circle center positioning slot 2022 for the edge profile of the spring plate, and actually, if a shock absorber manufacturer needs to weld a plurality of spring plates 6 with different sizes (edge profile diameters), the positioning plate 202 may be correspondingly provided with a plurality of circle center positioning slots 2022 for the edge profile of the spring plate.
The positioning column 204 is movably connected to the positioning plate 202, and can be adjusted in position along the radial direction of the positioning groove 2022. When the circumferential positioning column 204 of the spring disc cannot be matched with the water leakage hole on the spring disc 6, the position of the circumferential positioning column 204 of the spring disc in the radial direction of the positioning groove 2022 of the edge contour of the spring disc is consistent with the position of the water leakage hole of the spring disc 6 by adjusting, so that the water leakage hole on the spring disc 6 can be smoothly matched with the water leakage hole. The specific structure in this embodiment is: the positioning plate 202 is provided with strip-shaped adjusting holes 2023 which are radially distributed along a circle center positioning groove 2022 of the edge profile of the spring disc; a blocking head 2041 is arranged at the lower end of the spring disc circumferential positioning column 204, and threads are machined above the blocking head 2041; the upper end of the spring disc circumferential positioning column 204 penetrates out of the strip-shaped adjusting hole 2023 from bottom to top and is locked by a locking nut 205 matched with the thread on the spring disc circumferential positioning column.
An adjusting pipe 206 with the outer diameter matched with the size of the water leakage hole in the spring disc 6 is sleeved on the spring disc circumferential positioning column 204. When the positioning is performed, the outer side wall of the adjusting pipe 206 is abutted against the hole wall of the water leakage hole on the spring disc 6, so that the spring disc 6 is fixed. In this embodiment, the size of the spring disc circumferential positioning column 204 is smaller than that of the corresponding water leakage hole, and during operation, a worker selects the adaptive adjusting pipe 206 to be installed on the spring disc circumferential positioning column 204 according to the model of the spring disc 6 to be welded.
The upper end of the oil storage cylinder axial positioning column 3 is provided with a plurality of axial positioning steps 301 which are respectively matched with the inner diameters of the oil storage cylinders 7 with different specifications. The specific size and number of the axial positioning steps 301 are determined according to the product of the shock absorber manufacturer.
The welding and positioning device for the spring holder of the automobile shock absorber can be installed in welding equipment, and the spring holder 6 is welded through the second process route.
Example 2 (see fig. 4 and 5):
different from the embodiment 1, in the embodiment, the lever cylinder 4 is not installed on the base 1, and the bracket positioner 9 is arranged on the base 1. The bracket positioner 9 comprises a supporting column 901 fixed on the base 1 and a positioning rod 902 transversely arranged at the top of the supporting column 901. The welding and positioning device for the spring disc of the automobile shock absorber can be used for pre-positioning and welding the spring disc 6 on the oil storage cylinder 7 welded with the shock absorber mounting bracket 8, the shock absorber mounting bracket 8 is positioned through the bracket positioner 9, and after the positioning of the spring disc 6 is completed, the spring disc is fixed through argon arc welding, so that the pre-positioning welding is completed. And then transferring the workpiece to welding equipment for forming welding. It can be seen that this embodiment provides an automobile shock absorber ware spring holder welding prepositioning device. The lever cylinder 4 is not provided in the embodiment because a worker generally presses the spring holder 6 with a hand when pre-positioning argon arc welding is performed, and the probability of movement of the spring holder 6 is low. Of course, the lever cylinder 4 may be provided on the pre-positioning device to further improve the positioning reliability.
Referring to fig. 1-6, the welding and positioning method for the spring holder of the automobile shock absorber is realized on a welding and positioning device for the spring holder of the automobile shock absorber; the welding and positioning device for the spring holder of the automobile shock absorber comprises a base 1; a positioning platform 2 is arranged on the base 1; the positioning platform 2 comprises a reference plate 201, a positioning plate 202 and six actuating cylinders 203, wherein two ends of the six actuating cylinders 203 are respectively connected with the reference plate 201 and the positioning plate 202 through universal hinges; the reference plate 201 is fixed on the base 1, and the positioning plate 202 has six degrees of freedom relative to the base 1 and can be adjusted in position through the actuating cylinder 203; a channel hole 2021 through which the oil storage cylinder 7 can pass is formed in the positioning plate 202, correspondingly, an oil storage cylinder axial positioning column 3 is arranged on the base 1, and an axial positioning step 301 which is adaptive to the inner diameter of the oil storage cylinder is formed in the upper end of the oil storage cylinder axial positioning column 3; a spring disc edge contour circle center positioning groove 2022 which is adaptive to the size of the spring disc and at least one spring disc circumferential positioning column 204 which is arranged corresponding to the water leakage hole on the spring disc are arranged on the positioning plate 202; the actuating cylinder 203 is connected with a PLC controller; when the welding machine works, the PLC controls the actuating cylinder 203 to act according to set parameters, the positioning plate 202 is adjusted to a specific position, then the spring disc 6 is placed on the positioning plate 202, and a designated water leakage hole on the spring disc is matched with the spring disc circumferential positioning column 204 correspondingly arranged on the positioning plate 202 (a plurality of water leakage holes are usually arranged on the spring disc 6, and one of the designated water leakage holes is matched with the spring disc circumferential positioning column 204 when a welding process is designed); and then the oil storage cylinder 7 sequentially passes through the assembly hole on the spring disc 6 and the channel hole 2021 on the positioning plate 202 to be inserted onto the oil storage cylinder axial positioning column 3 to be matched with the axial positioning step 301, so as to complete welding positioning. The welding and positioning method for the spring disc of the automobile shock absorber is high in positioning precision, and products after welding are good in consistency.
A group of lever cylinders 4 for clamping the spring disc 6 can be arranged on the base 1 along the circumferential direction of the positioning plate 202; the lever cylinder 4 can be electrically connected with a PLC (programmable logic controller); when the device works, after the oil storage cylinder 7 is inserted onto the oil storage cylinder axial positioning column 3, the PLC controller controls the lever cylinder 4 to act to clamp the spring disc 6. Thereby, prevent that the spring holder from taking place the displacement in welding process, improve the welding yields.
The above general description of the invention and the description of the specific embodiments thereof, as referred to in this application, should not be construed as limiting the technical solutions of the invention. According to the disclosure of the present invention, those skilled in the art can add, reduce or combine the technical features disclosed in the general description and/or the specific embodiments to form other technical solutions within the protection scope of the present application without departing from the structural elements of the present invention.
Claims (9)
1. Automobile shock absorber ware spring holder welding position device, its characterized in that: comprises a base (1); a positioning platform (2) is arranged on the base (1); the positioning platform (2) comprises a reference plate (201), a positioning plate (202) and six actuating cylinders (203) of which two ends are respectively connected with the reference plate (201) and the positioning plate (202) through universal hinges; the reference plate (201) is fixed on the base (1), and the positioning plate (202) has six degrees of freedom relative to the reference plate (201) and can be adjusted in position through the actuating cylinder (203); a channel hole (2021) through which the oil storage cylinder (7) can pass is formed in the positioning plate (202), correspondingly, an oil storage cylinder axial positioning column (3) is arranged on the base (1), and an axial positioning step (301) which is adaptive to the inner diameter of the oil storage cylinder (7) is arranged at the upper end of the oil storage cylinder axial positioning column (3); a spring disc circumferential positioning column (204) is arranged on the positioning plate (202) and corresponds to the water leakage hole on the spring disc (6); a group of lever cylinders (4) for clamping the spring disc are arranged on the base (1) along the circumferential direction of the positioning plate (202); the lever cylinder (4) is fixedly connected with the base (1) through a cylinder bracket (5).
2. The welding and positioning device for the spring holder of the automobile shock absorber as claimed in claim 1, wherein: the number of the lever cylinders (4) is three, and the lever cylinders are arranged at intervals of 120 degrees along the circumferential direction.
3. The welding and positioning device for the spring holder of the automobile shock absorber as claimed in claim 1 or 2, wherein: and a spring disc edge contour circle center positioning groove (2022) used for being matched with the edge of the spring disc (6) is arranged on the positioning plate (202).
4. The welding and positioning device for the spring holder of the automobile shock absorber as claimed in claim 3, wherein: the spring disc circumferential positioning column (204) is movably connected with the positioning plate (202), and the position can be adjusted along the radial direction of a spring disc edge contour circle center positioning groove (2022).
5. The welding and positioning device for the spring holder of the automobile shock absorber as claimed in claim 4, wherein: the positioning plate (202) is provided with strip-shaped adjusting holes (2023) which are distributed along a circle center positioning groove (2022) of the edge contour of the spring disc in the radial direction; the lower end of the spring disc circumferential positioning column (204) is provided with a blocking head (2041), and threads are machined above the blocking head (2041); the upper end of the spring disc circumferential positioning column (204) penetrates out of the strip-shaped adjusting hole (2023) from bottom to top and is locked by a locking nut (205) matched with the thread on the spring disc circumferential positioning column.
6. The welding and positioning device for the spring holder of the automobile shock absorber as claimed in claim 1 or 2, wherein: an adjusting pipe (206) with the outer diameter matched with the size of the water leakage hole in the spring disc (6) is sleeved on the spring disc circumferential positioning column (204).
7. The welding and positioning device for the spring holder of the automobile shock absorber as claimed in claim 1 or 2, wherein: the upper end of the oil storage cylinder axial positioning column (3) is provided with a plurality of axial positioning steps (301) which are respectively matched with the inner diameters of the oil storage cylinders (7) with different specifications.
8. The welding and positioning method for the spring holder of the automobile shock absorber is characterized by comprising the following steps of: the method is realized on a welding and positioning device for the spring disc of the automobile shock absorber;
the welding and positioning device for the spring disc of the automobile shock absorber comprises a base (1); a positioning platform (2) is arranged on the base (1); the positioning platform (2) comprises a reference plate (201), a positioning plate (202) and six actuating cylinders (203) of which two ends are respectively connected with the reference plate (201) and the positioning plate (202) through universal hinges; the datum plate (201) is fixed on the base (1), and the positioning plate (202) has six degrees of freedom relative to the base (1) and can be adjusted in position through the actuating cylinder (203); a channel hole (2021) through which the oil storage cylinder (7) can pass is formed in the positioning plate (202), correspondingly, an oil storage cylinder axial positioning column (3) is arranged on the base (1), and an axial positioning step (301) which is adaptive to the inner diameter of the oil storage cylinder is arranged at the upper end of the oil storage cylinder axial positioning column (3); a spring disc edge contour circle center positioning groove (2022) which is adaptive to the size of the spring disc and at least one spring disc circumferential positioning column (204) which is arranged corresponding to the water leakage hole on the spring disc are arranged on the positioning plate (202); the actuating cylinder (203) is connected with a PLC controller;
when the positioning device works, the PLC controls the actuating cylinder (203) to act according to set parameters, the positioning plate (202) is adjusted to a specific position, then the spring disc (6) is placed on the positioning plate (202), and the specified water leakage hole on the spring disc is matched with a spring disc circumferential positioning column (204) correspondingly arranged on the positioning plate (202); and then the oil storage cylinder (7) sequentially passes through the assembly hole on the spring disc (6) and the channel hole (2021) on the positioning plate (202) to be inserted onto the oil storage cylinder axial positioning column (3) to be matched with the axial positioning ladder (301) to complete welding positioning.
9. The welding and positioning method for the spring holder of the automobile shock absorber as claimed in claim 8, wherein: a group of lever cylinders (4) for clamping the spring disc (6) are arranged on the base (1) along the circumferential direction of the positioning plate (202); the lever cylinder (4) is electrically connected with the PLC; when the device works, after the oil storage cylinder (7) is inserted into the axial positioning column (3) of the oil storage cylinder, the PLC controller controls the lever cylinder (4) to act to clamp the spring disc (6).
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110983423.XA CN113618315B (en) | 2020-04-26 | 2020-04-26 | Automobile shock absorber spring disc welding pre-positioning device and welding method |
| CN202010337658.7A CN111390476B (en) | 2020-04-26 | 2020-04-26 | Welding positioning device and positioning method for spring disc of automobile shock absorber |
| PCT/CN2020/102881 WO2021217904A1 (en) | 2020-04-26 | 2020-07-18 | Positioning apparatus for welding of spring disc of shock absorber for automobile |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010337658.7A CN111390476B (en) | 2020-04-26 | 2020-04-26 | Welding positioning device and positioning method for spring disc of automobile shock absorber |
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| CN202110983423.XA Division CN113618315B (en) | 2020-04-26 | 2020-04-26 | Automobile shock absorber spring disc welding pre-positioning device and welding method |
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| CN111390476B true CN111390476B (en) | 2021-09-14 |
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| CN202110983423.XA Active CN113618315B (en) | 2020-04-26 | 2020-04-26 | Automobile shock absorber spring disc welding pre-positioning device and welding method |
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| CN111390476B (en) * | 2020-04-26 | 2021-09-14 | 西格迈股份有限公司 | Welding positioning device and positioning method for spring disc of automobile shock absorber |
| CN114227094B (en) * | 2021-12-27 | 2023-10-27 | 张家港保税区亚鑫精密制管有限公司 | Welding equipment for automobile shock absorber |
| CN115570287B (en) * | 2022-09-08 | 2023-06-06 | 浙江创宏激光科技有限公司 | Laser welding device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN111390476A (en) | 2020-07-10 |
| WO2021217904A1 (en) | 2021-11-04 |
| CN113618315A (en) | 2021-11-09 |
| CN113618315B (en) | 2023-05-12 |
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Denomination of invention: Welding positioning device and method for automotive shock absorber spring plate Granted publication date: 20210914 Pledgee: Agricultural Bank of China Limited by Share Ltd. three county sub branch Pledgor: XGM Corp.,Ltd. Registration number: Y2024330001243 |