A high-pressure oil pump support welding device

Abstract

The present application relates to the technical field of oil pump welding, and particularly relates to a high-pressure oil pump support welding device, which comprises a base, a fixed clamping unit fixedly installed on the base, and a welding positioning unit fixedly installed on the fixed clamping unit. The present application adopts a linkage type clamping positioning and integrated welding structure, can automatically complete the clamping, alignment, coaxial correction and welding full-process operation of the high-pressure oil pump and the support, replaces the traditional simple tooling and manual clamping processing mode, and meanwhile, through the cooperation of the driving assembly, the fixing assembly and the reversible clamping assembly, the equipment can perform bidirectional accurate positioning and attitude correction on the workpiece, effectively guarantees the coaxiality and levelness of the high-pressure oil pump and the support, avoids the displacement of the workpiece in the welding process, the multiple clamping structure can offset the thermal stress generated in the welding process, inhibits the thermal deformation of the workpiece, and eliminates the problems of assembly jamming and sealing leakage caused by positioning deviation and workpiece deformation.

Description

Technical Field

[0001] This invention relates to the field of oil pump welding technology, and in particular to a welding device for a high-pressure oil pump bracket. Background Technology

[0002] With the continuous upgrading of the automotive industry and engine technology, direct injection technology has become the mainstream technology in automobiles due to its high efficiency, energy saving and excellent power. As a key connecting and bearing structure between the oil pump and the engine, the high-pressure oil pump bracket plays a decisive role in the assembly accuracy and operational stability of the oil pump due to its welding precision, coaxiality, levelness and structural stability.

[0003] The existing high-pressure oil pump bracket uses simple tooling and manual clamping and welding, which makes it difficult to accurately ensure the coaxiality and levelness of the oil pump and the bracket. The welding is prone to deformation due to heat, making it difficult to control product consistency. The workpiece is prone to displacement during welding, leaving hidden dangers in assembly and sealing. The process is cumbersome and cannot meet the needs of high-precision mass production. Summary of the Invention

[0004] In view of the problems existing in the current high-pressure oil pump bracket welding device, the present invention is proposed.

[0005] Therefore, the present invention provides a high-pressure oil pump bracket welding device, the purpose of which is to solve the problems of existing oil pump bracket welding with simple tooling, which is difficult to position and control, has poor finished product consistency, and is difficult to adapt to high-precision mass production.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a high-pressure oil pump bracket welding device, including a base, a fixing clamping unit fixedly installed on the base, and a welding positioning unit fixedly installed on the fixing clamping unit; the fixing clamping unit includes a driving component fixedly installed on the base, a fixing component fixedly installed on the driving component, and a clamping component welding positioning unit slidably installed on the inner wall of the fixing component, including a welding component fixedly installed on the base, and the welding component and the clamping component are slidably connected.

[0007] As a preferred embodiment of the high-pressure oil pump bracket welding device of the present invention, the drive assembly includes an electric push rod fixedly mounted on the base, a push plate fixedly mounted on the output end of the electric push rod, and a movable seat fixedly mounted on the push plate, wherein the movable seat is slidably connected to the base.

[0008] In a preferred embodiment of the high-pressure oil pump bracket welding device of the present invention, a toothed plate is fixedly installed on the base.

[0009] As a preferred embodiment of the high-pressure oil pump bracket welding device of the present invention, the fixing component includes a rotating rod rotatably mounted on the inner wall of the movable seat, a rotating disk fixedly mounted on the outer wall of the rotating rod, a connector fixedly mounted on the rotating rod, a return spring fixedly mounted on the inner wall of the connector, and a pressing block fixedly mounted on the other end of the return spring, wherein the pressing block is slidably connected to the connector.

[0010] In a preferred embodiment of the high-pressure oil pump bracket welding device of the present invention, a fixed plate is rotatably mounted on the outer wall of the connector, a limit groove is fixedly mounted on the inner wall of the fixed plate, and the fixed plate is slidably connected to the movable seat.

[0011] In a preferred embodiment of the high-pressure oil pump bracket welding device of the present invention, an arc-shaped groove is fixedly installed on the inner wall of the rotating disk, and the rotating disk is rotatably connected to the movable seat. A gear is fixedly installed at the bottom of the rotating rod, and the gear is meshed with the gear plate.

[0012] As a preferred embodiment of the high-pressure oil pump bracket welding device of the present invention, the clamping assembly includes a movable rod slidably installed on the inner wall of the arc-shaped groove, and a locking plate fixedly installed on the movable rod, wherein the movable rod passes through the limiting groove and is slidably connected to the fixed plate.

[0013] In a preferred embodiment of the high-pressure oil pump bracket welding device of the present invention, a linkage rod is rotatably mounted on the inner wall of the movable seat, a connecting rod is fixedly mounted on the linkage rod, and the connecting rod is slidably connected to the fixed plate.

[0014] As a preferred embodiment of the high-pressure oil pump bracket welding device of the present invention, a limit frame is fixedly installed on the linkage rod, a connecting block is fixedly installed on the linkage rod, a second reset spring is fixedly installed on the inner wall of the connecting block, a sliding block is fixedly installed on the other end of the second reset spring, a clamping member is fixedly installed on the sliding block, and the sliding block is slidably connected to the connecting block.

[0015] As a preferred embodiment of the high-pressure oil pump bracket welding device of the present invention, the welding assembly includes a support member fixedly mounted on the base, a movable member slidably mounted on the support member, a drive member fixedly mounted on the movable member, a connecting plate fixedly mounted on the output end of the drive member, a positioning rod fixedly mounted on the connecting plate, a sliding rod fixedly mounted on the bottom of the connecting plate, a conical member fixedly mounted on the bottom of the sliding rod, and a conical sliding ring slidably mounted on the outer wall of the sliding rod, wherein the conical sliding ring is slidably connected to the conical member.

[0016] The beneficial effects of this invention are as follows: This invention adopts a linkage clamping and positioning and integrated welding structure, which can automatically complete the entire process of clamping, aligning, coaxially correcting and welding of high-pressure oil pump and bracket, replacing the traditional processing method of simple tooling and manual clamping. At the same time, through the cooperation of drive components, fixing components and flip-up clamping components, the equipment can perform bidirectional precise limiting and posture correction of the workpiece, effectively ensuring the coaxiality and levelness of high-pressure oil pump and bracket, and avoiding workpiece displacement during welding. The multi-clamping structure can offset the thermal stress generated by welding, suppress the workpiece's thermal deformation, improve the dimensional accuracy and quality consistency of the finished product, and eliminate assembly jamming and sealing leakage caused by positioning deviation and workpiece deformation. In addition, this equipment eliminates the tedious process of manual alignment and adjustment, reduces labor intensity, simplifies the production process, improves welding efficiency, and can stably adapt to high-precision, large-scale industrial production scenarios, effectively reducing product defect rate. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the overall structure of the high-pressure oil pump bracket welding device of the present invention.

[0019] Figure 2 This is a side view of the welding device for the high-pressure oil pump bracket of the present invention.

[0020] Figure 3 This is a schematic diagram of the internal structure of the high-pressure oil pump bracket welding device of the present invention.

[0021] Figure 4 This is a schematic diagram of the drive assembly structure of the high-pressure oil pump bracket welding device of the present invention.

[0022] Figure 5 This is a rear view schematic diagram of the drive assembly of the high-pressure oil pump bracket welding device of the present invention.

[0023] Figure 6 This is a schematic diagram of the fixing component structure of the high-pressure oil pump bracket welding device of the present invention.

[0024] Figure 7 This is a schematic diagram of the internal structure of the fixing component of the high-pressure oil pump bracket welding device of the present invention.

[0025] Figure 8 This is an exploded structural diagram of the fixing component of the high-pressure oil pump bracket welding device of the present invention.

[0026] Figure 9 This is a schematic cross-sectional view of the fixing component of the high-pressure oil pump bracket welding device of the present invention.

[0027] Figure 10 This is a schematic diagram of the welding positioning unit structure of the high-pressure oil pump bracket welding device of the present invention.

[0028] Figure 11 This is a schematic cross-sectional view of the welding components of the high-pressure oil pump bracket welding device of the present invention.

[0029] Figure 12 This is a schematic diagram of the welding process of the welding components of the high-pressure oil pump bracket welding device of the present invention.

[0030] Explanation of reference numerals in the attached drawings: 1. Base; 2. Fixed clamping unit; 21. Drive assembly; 211. Electric push rod; 212. Push plate; 213. Moving seat; 214. Toothed plate; 215. Buffer pad; 22. Fixed assembly; 221. Rotating rod; 222. Gear; 223. Rotating disk; 224. Arc groove; 225. Fixed disk; 226. Limiting groove; 227. Connecting piece; 228. Return spring one; 229. Pressing block; 23. Clamping assembly; 231. 232. Moving rod; 233. Clamping plate; 234. Connecting rod; 235. Limiting frame; 236. Linkage rod; 237. Connecting block; 238. Return spring II; 239. Sliding block; 230. Clamping component; 31. Welding positioning unit; 31. Welding assembly; 311. Support component; 312. Moving component; 313. Driving component; 314. Connecting plate; 315. Positioning rod; 316. Annular welded component; 317. Sliding rod; 318. Conical sliding ring; 319. Conical component. Detailed Implementation

[0031] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0032] Example 1, referring to Figure 1 - Figure 3 The first embodiment of the present invention provides a high-pressure oil pump bracket welding device, including a base 1, a fixing clamping unit 2 fixedly installed on the base 1, and a welding positioning unit 3 fixedly installed on the fixing clamping unit 2; wherein, the fixing clamping unit 2 is used to clamp and fix the oil pump, and the welding positioning unit 3 is used to position and weld the oil pump and the bracket.

[0033] Furthermore, the fixed clamping unit 2 includes a drive assembly 21, a fixing assembly 22, and a clamping assembly 23: the drive assembly 21 is fixedly mounted on the base 1 and is used to drive the fixing assembly 22; the fixing assembly 22 is fixedly mounted on the drive assembly 21 and is used to fix the oil pump; the clamping assembly 23 is slidably mounted on the inner wall of the fixing assembly 22 and is used to clamp and correct the oil pump.

[0034] Furthermore, the welding positioning unit 3 includes a welding assembly 31 fixedly mounted on the base 1. The welding assembly 31 is slidably connected to the clamping assembly 23 and is used for positioning and welding the oil pump and the bracket.

[0035] In use, the high-pressure oil pump is first placed on the fixing component 22. The drive component 21 moves on the base 1, synchronously driving the fixing component 22 to clamp and limit the bottom of the high-pressure oil pump's outer wall. Simultaneously, the movement of the drive component 21 moves the high-pressure oil pump directly below the welding component 31, whereupon the bracket is engaged with the welding component 31. After engagement, the welding component 31 directly positions and fixes the bracket and moves downwards, causing the bracket to come into contact with the high-pressure oil pump on the fixing component 22. During this contact process, the high-pressure oil pump continues to move downwards, causing the fixing component 22 to press against the clamping component 23. Under the limiting action of the drive component 21, the clamping component 23 flips and engages with the outer wall of the oil pump, simultaneously positioning the bracket and readjusting the oil pump to ensure that the oil pump and bracket are coaxial. Finally, the welding component 31 completes the welding operation. This eliminates the tedious manual alignment and adjustment processes, reduces labor intensity, simplifies the production process, and improves welding efficiency. It can stably adapt to high-precision, high-volume industrial production scenarios, effectively reducing product defect rates.

[0036] Example 2, refer to Figure 1 - Figure 9 This is the second embodiment of the present invention, which differs from the first embodiment in that: the driving component 21 includes an electric push rod 211 fixedly mounted on the base 1, a push plate 212 fixedly mounted on the output end of the electric push rod 211, and a movable seat 213 fixedly mounted on the push plate 212; wherein the electric push rod 211 is used to drive the movable seat 213 to move, the push plate 212 is used to connect the movable seat 213, and the movable seat 213 is slidably connected to the base 1; a toothed plate 214 is also fixedly mounted on the base 1 for supporting the fixing component 22 and the clamping component 23.

[0037] Compared to Embodiment 1, this embodiment further optimizes the fixing component 22, which includes a rotating rod 221 rotatably mounted on the inner wall of the movable seat 213, a rotating disk 223 fixed to the outer wall of the rotating rod 221, a connector 227 fixed to the rotating rod 221, a return spring 228 fixed to the inner wall of the connector 227, and a pressing block 229 fixed to the other end of the return spring 228; wherein the rotating rod 221 is used to connect the gear 222, the rotating disk 223 is used to cooperate with the arc groove 224 to drive the moving rod 231, the connector 227 is used to fix the return spring 228, the return spring 228 is used to connect the pressing block 229, and the pressing block 229 is slidably connected to the connector 227 for pressing and fitting with the oil pump.

[0038] Furthermore, a fixed plate 225 is rotatably mounted on the outer wall of the connector 227 for receiving the oil pump; a limit groove 226 is fixedly installed on the inner wall of the fixed plate 225, and the fixed plate 225 is slidably connected to the movable seat 213 for limiting the movement of the movable rod 231.

[0039] Furthermore, an arc-shaped groove 224 is fixedly installed on the inner wall of the rotating disk 223, and the rotating disk 223 is rotatably connected to the movable seat 213 for driving the movable rod 231 to move; a gear 222 is fixedly installed at the bottom of the rotating rod 221, and the gear 222 meshes with the toothed plate 214 for driving the rotating rod 221 to mesh and rotate.

[0040] Furthermore, the clamping assembly 23 includes a movable rod 231 slidably mounted on the inner wall of the arc-shaped groove 224, and a locking plate 232 fixed on the movable rod 231; wherein the movable rod 231 is used to connect the locking plate 232, and the movable rod 231 passes through the limiting groove 226 and is slidably connected to the fixing plate 225 for fixing the bottom of the oil pump.

[0041] Furthermore, a linkage rod 235 is rotatably mounted on the inner wall of the movable seat 213, and a connecting rod 233 is fixedly mounted on the linkage rod 235; wherein the linkage rod 235 is used to connect the connecting rod 233, and the connecting rod 233 is slidably connected to the fixed plate 225 to cooperate with the fixed plate 225 for compression adjustment.

[0042] Furthermore, a limit frame 234 and a connecting block 236 are fixedly installed on the linkage rod 235; the limit frame 234 is used to position the support, and the connecting block 236 is used to connect the second reset spring 237 and the sliding block 238; the second reset spring 237 is fixedly installed on the inner wall of the connecting block 236, which is used to connect the sliding block 238 and assist its movement; the other end of the second reset spring 237 is fixedly installed on the sliding block 238, and a clamping member 239 is fixedly installed on the sliding block 238, and the sliding block 238 is slidably connected to the connecting block 236, which is used to correct and clamp the outer wall of the oil pump.

[0043] In use, when coaxially welding the oil pump and the bracket, the oil pump is first placed on top of the fixed plate 225. Then, the electric push rod 211 drives the push plate 212 to move the moving seat 213 along the base 1 until it moves directly below the welding assembly 31. During the movement of the moving seat 213, the gear 222 at its bottom meshes with the toothed plate 214, causing the gear 222 to rotate, which in turn causes the rotating rod 221 to drive the rotating plate 223 to rotate. When the rotating plate 223 rotates, the moving rod 231 in the arc groove 224 on its inner wall moves synchronously with the rotation. At the same time, since the top of the moving rod 231 passes through the limiting groove 226 in the fixed plate 225, the moving rod 231 can only move towards the middle, thereby initially fixing the oil pump on the fixed plate 225. Afterwards, as the welding assembly 31 moves the bracket downward, when the bracket contacts the oil pump, the squeezing action of the bracket will push the oil pump towards the squeezing block 229, causing the squeezing block 229 to compress the return spring 228 and slide into the connector 227.

[0044] Simultaneously, the fixed plate 225 slides within the movable seat 213, thereby pressing the connecting rod 233 and causing the linkage rod 235 to rotate within the movable seat 213. This causes the connecting block 236 on the linkage rod 235 to fit against the outer wall of the oil pump with the clamping member 239, initiating the correction of the oil pump and ensuring that the oil pump remains coaxial with the top support. In addition, the limiting frame 234 provides positioning support for the outer wall of the support, working with the clamping member 239 to complete the correction and positioning. The second return spring 237 provides a buffer for the correction process of the clamping member 239 and the oil pump. Through the above structure, the support and the oil pump can achieve stable and precise positioning welding. The device can perform bidirectional precise limiting and posture correction of the workpiece, effectively ensuring the coaxiality and levelness of the high-pressure oil pump and the support, and avoiding workpiece displacement during welding. The multiple clamping structure can offset welding thermal stress, suppress workpiece thermal deformation, improve the dimensional accuracy and quality consistency of the finished product, and eliminate assembly jamming and sealing leakage problems caused by positioning deviation or workpiece deformation.

[0045] The remaining structure is the same as that in Example 1.

[0046] Example 3, referring to Figure 1 - Figure 12This is the third embodiment of the present invention, which differs from the second embodiment in that: the welding assembly 31 includes: a support member 311 fixedly mounted on the base 1 for connecting the moving member 312; the moving member 312 slidably mounted on the support member 311 for connecting the driving member 313; the driving member 313 fixedly mounted on the moving member 312 for driving rotation; a connecting plate 314 fixedly mounted on the output end of the driving member 313 for connecting the positioning rod 315 and the sliding rod 317; the positioning rod 315 fixedly mounted on the connecting plate 314 for positioning both sides of the bracket; the sliding rod 317 fixedly mounted on the bottom of the connecting plate 314 for sliding and limiting the conical sliding ring 318; the conical member 319 fixedly mounted on the bottom of the sliding rod 317 for penetrating the bracket and fixing it; and the conical sliding ring 318 slidably mounted on the outer wall of the sliding rod 317, the conical sliding ring 318 and the conical member 319 being slidably connected for assisting in the disassembly of the bracket.

[0047] In use, the oil pump is first positioned and clamped by the fixing component 22 and the clamping component 23. Then, the bracket is pressed towards the conical part 319, so that it passes through the conical part 319 and slides to the outer wall of the sliding rod 317. At the same time, the two sides of the bracket are limited by the positioning rod 315. Then, the moving part 312 on the support 311 is driven to move downward, so that the bracket fixed on the sliding rod 317 is in contact with the bottom oil pump, and the two sides of the bracket are simultaneously in contact with the limiting frame 234, completing the axial positioning and contact. After that, the annular welding part 316 starts precise welding. After the welding is completed, the moving part 312 moves downward again, causing the bracket to press the conical sliding ring 318 to slide along the sliding rod 317 until the conical sliding ring is in contact with the bottom oil pump. Ring 318 is squeezed into the bracket; then moving part 312 moves upward, and the welded bracket drives the conical sliding ring 318 to move downward along the outer wall of sliding rod 317 until the conical sliding ring 318 and the conical part 319 are in contact and can no longer move; since the conical sliding ring 318 and the conical part 319 have opposite conical surface shapes, the bracket will slide off the outer walls of both, thereby releasing the fixation. Through the above process, the entire process of automatic fixing, positioning correction, positioning welding and material cutting is realized, eliminating the tedious manual alignment and adjustment process, reducing labor intensity, simplifying the production process, improving welding efficiency, and can be stably adapted to high-precision, large-volume industrial production scenarios, effectively reducing the product defect rate.

[0048] The remaining structure is the same as that in Example 2.

[0049] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. A welding device for a high-pressure oil pump bracket, characterized in that: It includes a base (1), a fixed clamping unit (2) fixedly mounted on the base (1), and a welding positioning unit (3) fixedly mounted on the fixed clamping unit (2). The fixed clamping unit (2) includes a drive assembly (21) fixedly mounted on the base (1), a fixing assembly (22) fixedly mounted on the drive assembly (21), and a clamping assembly (23) slidably mounted on the inner wall of the fixing assembly (22). The welding positioning unit (3) includes a welding assembly (31) fixedly mounted on the base (1), and the welding assembly (31) is slidably connected to the clamping assembly (23).

2. The high-pressure oil pump bracket welding device according to claim 1, characterized in that: The drive assembly (21) includes an electric push rod (211) fixedly mounted on the base (1), a push plate (212) fixedly mounted on the output end of the electric push rod (211), and a movable seat (213) fixedly mounted on the push plate (212), and the movable seat (213) is slidably connected to the base (1).

3. The high-pressure oil pump bracket welding device according to claim 2, characterized in that: A toothed plate (214) is fixedly installed on the base (1).

4. The high-pressure oil pump bracket welding device according to claim 3, characterized in that: The fixing assembly (22) includes a rotating rod (221) rotatably mounted on the inner wall of the movable seat (213), a rotating disk (223) fixedly mounted on the outer wall of the rotating rod (221), a connector (227) fixedly mounted on the rotating rod (221), a return spring (228) fixedly mounted on the inner wall of the connector (227), and a pressing block (229) fixedly mounted on the other end of the return spring (228), and the pressing block (229) is slidably connected to the connector (227).

5. The high-pressure oil pump bracket welding device according to claim 4, characterized in that: The outer wall of the connector (227) is rotatably mounted with a fixed plate (225), the inner wall of the fixed plate (225) is fixedly mounted with a limit groove (226), and the fixed plate (225) is slidably connected to the movable seat (213).

6. The high-pressure oil pump bracket welding device according to claim 5, characterized in that: An arc groove (224) is fixedly installed on the inner wall of the rotating disk (223), and the rotating disk (223) is rotatably connected to the movable seat (213). A gear (222) is fixedly installed at the bottom of the rotating rod (221), and the gear (222) is meshed with the toothed plate (214).

7. The high-pressure oil pump bracket welding device according to claim 6, characterized in that: The clamping assembly (23) includes a movable rod (231) slidably mounted on the inner wall of the arc groove (224) and a locking plate (232) fixedly mounted on the movable rod (231), and the movable rod (231) is slidably connected to the fixed plate (225) through the limiting groove (226).

8. The high-pressure oil pump bracket welding device according to claim 7, characterized in that: A linkage rod (235) is rotatably mounted on the inner wall of the movable seat (213), and a connecting rod (233) is fixedly mounted on the linkage rod (235), and the connecting rod (233) is slidably connected to the fixed plate (225).

9. The high-pressure oil pump bracket welding device according to claim 8, characterized in that: A limit frame (234) is fixedly installed on the linkage rod (235). A connecting block (236) is fixedly installed on the linkage rod (235). A second reset spring (237) is fixedly installed on the inner wall of the connecting block (236). A sliding block (238) is fixedly installed on the other end of the second reset spring (237). A clamping piece (239) is fixedly installed on the sliding block (238), and the sliding block (238) is slidably connected to the connecting block (236).

10. The high-pressure oil pump bracket welding device according to claim 9, characterized in that: The welding assembly (31) includes a support member (311) fixedly mounted on the base (1), a movable member (312) slidably mounted on the support member (311), a drive member (313) fixedly mounted on the movable member (312), a connecting plate (314) fixedly mounted on the output end of the drive member (313), a positioning rod (315) fixedly mounted on the connecting plate (314), a sliding rod (317) fixedly mounted on the bottom of the connecting plate (314), a tapered member (319) fixedly mounted on the bottom of the sliding rod (317), and a tapered sliding ring (318) slidably mounted on the outer wall of the sliding rod (317), wherein the tapered sliding ring (318) is slidably connected to the tapered member (319).

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