A welding auxiliary device for automobile shock absorber piston rods

Abstract

This invention relates to the field of welding auxiliary equipment technology, specifically to a welding auxiliary equipment for automotive shock absorber piston rods. The equipment includes an installation body, an automatic welding machine, and a lifting ring seat. The installation body is equipped with a material guide frame, an inclined plate, and a lifting ring feeding assembly. This automotive shock absorber piston rod welding auxiliary equipment allows workers to automatically adjust the lifting ring to a suitable position during welding of the shock absorber piston rod. The lifting ring is then fed to the lifting ring of the automatic welding machine via the lifting ring feeding assembly, completing the welding of the lifting ring, dust cover, and piston rod. This reduces manual adjustments required due to the shape of the lifting ring, improving welding efficiency to a certain extent and also enhancing the overall quality of the welded piston rod.

Description

Technical Field

[0001] This invention relates to the field of welding auxiliary equipment technology, specifically to a welding auxiliary equipment for automotive shock absorber piston rods. Background Technology

[0002] As a crucial load-bearing component for shock absorption and vibration reduction, the performance of the shock absorber piston rod assembly directly affects vehicle safety. The fully automated welding equipment for the shock absorber piston rod assembly, with announcement number CN107891233B, includes: an automatic welding machine for welding operations, a lifting ring feeding mechanism for conveying the lifting ring, a dust cover feeding mechanism for conveying the dust cover, a piston rod feeding mechanism for conveying the piston rod, and a loading robot for conveying the dust cover and piston rod to the automatic welding machine. In the automated production process of the shock absorber piston rod assembly, the lifting ring feeding mechanism automates the conveying of the lifting ring, the dust cover feeding mechanism automates the conveying of the dust cover, and the piston rod feeding mechanism automates the conveying of the piston rod. The automatic welding machine then welds the lifting ring, dust cover, and piston rod together in a single operation.

[0003] However, with the technological development of the automotive industry, the piston rod assembly of shock absorbers, which is frequently used, has experienced situations where the wear ring and dust cover detach directly in some harsh road conditions or accidents. Technicians discovered that the reason for this is that the wear ring and dust cover, which are completely circular, have a linear contact, resulting in poor overall strength after welding. In contrast, the dust cover and piston rod, which have a surface contact, are less prone to detachment. Therefore, technicians optimized and improved the wear ring by designing the side of the wear ring and dust cover that is welded to be flat, thereby increasing the contact between the two and improving the overall strength after welding.

[0004] However, when using the aforementioned lifting ring feeding mechanism to transport the optimized lifting ring, it is impossible to achieve effective transport with the cooperation of the lifting ring ejection cylinder and guide plate. This means that when the ring lands on the flat receiving plate, the side to be welded may not be at the bottom, affecting the normal progress of subsequent welding work and reducing welding efficiency.

[0005] Therefore, we propose an auxiliary device for welding piston rods of automotive shock absorbers. Summary of the Invention

[0006] One of the technical problems to be solved in this application is: how to design an auxiliary device for welding automotive shock absorber piston rods that can assist in the welding work of the optimized lifting ring.

[0007] To solve the above-mentioned technical problems, this application provides an auxiliary equipment for welding piston rods of automotive shock absorbers, including an installation body, an automatic welding machine and a lifting ring seat. The installation body is provided with a material guide frame, the material guide frame is provided with an inclined plate, and the material guide frame is provided with a lifting ring feeding assembly.

[0008] In some embodiments, the lifting ring feeding assembly includes a side bracket disposed on the mounting body, a first push rod disposed on the side bracket, a lifting positioning component slidably disposed on the side bracket, a feeding frame body that cooperates with the guide frame body disposed on the mounting body, and a feeding component disposed on the mounting body.

[0009] In some embodiments, the lifting alignment component includes a lifting seat slidably disposed on a side bracket, a drive motor is disposed on the lifting seat, a drive roller is disposed at the output end of the drive motor, and an image recognition device is disposed on the side bracket.

[0010] In some embodiments, the guide frame is composed of a side limiting frame, a bottom fixing part and a bottom elastic part. A second push rod is provided on the mounting body, and an upper top frame is provided at the end of the second push rod. A roller is rotatably provided on the upper top frame, and the roller contacts the elastic part.

[0011] In some embodiments, the feeding component includes a conveying cylinder disposed on the mounting body, an adjusting frame disposed at the end of the conveying cylinder, the adjusting frame being connected to the feeding frame body, a clamping motor disposed on the adjusting frame, a screw rotatably disposed on the adjusting frame and connected to the output end of the clamping motor, and a clamping block disposed on the screw.

[0012] In some embodiments, a rotating shaft is rotatably mounted on the guide frame, the inclined plate is mounted on the rotating shaft, and a feeding spring is provided between the guide frame and the inclined plate.

[0013] In some embodiments, the lifting ring seat has an installation groove, and the compression positioning assembly includes a fixed cavity disposed on the lifting ring seat, a fixed shaft rotatably disposed in the fixed cavity, a pressure member disposed on the fixed shaft, a sliding seat disposed on the fixed cavity, and a compression member disposed on the sliding seat.

[0014] In some embodiments, the pressure component includes a rotating rod mounted on a fixed shaft, with displacement grooves on both sides of the rotating rod. A first push rod and a second push rod are slidably mounted on the lifting ring seat and the fixed cavity, respectively. A connector is provided on the side of the first push rod and the second push rod near the rotating rod. The connector slides within the displacement groove. A pressing plate is provided at the end of the first push rod away from the connector, and a roller is provided at the end of the second push rod away from the connector. A return spring is sleeved on both the first push rod and the second push rod.

[0015] In some embodiments, the extrusion member includes a wedge block slidably disposed on a sliding seat, the wedge block and a roller being in contact, a connecting spring being disposed between the sliding seat and the wedge block, and an extrusion block being disposed at the bottom of the wedge block.

[0016] In some embodiments, a telescopic rod is provided at the bottom of the wedge block, and an adjusting spring is sleeved on the outer side of the telescopic rod. A connecting seat is provided at the bottom of the telescopic rod, and the pressing block is disposed on the connecting seat.

[0017] The present invention has at least the following beneficial effects:

[0018] This allows workers to automatically adjust the lifting ring to a suitable position when welding the piston rod of the shock absorber, and then feed it to the lifting ring of the automatic welding machine through the lifting ring feeding assembly. This completes the welding of the lifting ring, dust cover and piston rod, reducing manual adjustment due to the shape of the lifting ring, improving welding efficiency to a certain extent, and also improving the overall quality of the piston rod after welding. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 For the present invention Figure 1 Partial structural diagram;

[0021] Figure 3 This is a schematic diagram of the lifting ring feeding assembly of the present invention;

[0022] Figure 4 This is a schematic diagram of the feeding component structure of the present invention;

[0023] Figure 5 This is a schematic diagram of the material guide frame structure of the present invention;

[0024] Figure 6 This is an exploded view of the material guide frame structure of the present invention;

[0025] Figure 7 This is a schematic diagram of the extrusion positioning component structure of the present invention;

[0026] Figure 8 For the present invention Figure 7 Enlarged structural diagram of area A in the middle;

[0027] Figure 9 This is a schematic diagram of the sectional structure of the lifting ring seat of the present invention;

[0028] Figure 10 This is a schematic diagram of a portion of the extrusion positioning component of the present invention;

[0029] Figure 11 For the present invention Figure 10 A magnified structural diagram of area B in the middle.

[0030] In the diagram: 1. Mounting body; 2. Automatic welding machine; 3. Lifting ring seat; 4. Lifting ring feeding assembly; 41. Side bracket; 42. First push rod; 43. Feeding frame body; 5. Lifting positioning component; 51. Lifting seat; 52. Drive motor; 53. Drive roller; 54. Image recognition equipment; 6. Feeding component; 61. Conveying cylinder; 62. Adjusting frame; 63. Clamping motor; 64. Screw; 65. Clamping block; 7. Extrusion positioning assembly; 71. Fixed cavity; 72. Fixed shaft; 73. Sliding seat; 8. Pressure component; 81. 82. Rotating rod; 83. Displacement chute; 84. Top rod one; 85. Top rod two; 86. Connecting head; 87. Extrusion plate; 88. Roller two; 9. Return spring; 10. Extrusion component; 11. Wedge block; 12. Connecting spring; 13. Extrusion block; 10. Guide frame body; 101. Limiting frame; 102. Fixing part; 103. Elastic part; 11. Inclined plate; 12. Second push rod; 13. Upper top frame; 14. Roller one; 15. Rotating shaft; 16. Feeding spring; 17. Telescopic rod; 18. Adjusting spring; 19. Connecting seat. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] Example 1: Please refer to Figures 1-11 The present invention provides a technical solution:

[0033] An auxiliary welding device for automotive shock absorber piston rods includes an installation body 1, an automatic welding machine 2, and a lifting ring seat 3. The installation body 1 is provided with a material guide frame 10, the material guide frame 10 is provided with an inclined plate 11, and the material guide frame 10 is provided with a lifting ring feeding assembly 4.

[0034] The mounting body 1 is the structure described in the reference (publication number CN107891233B), and it is equipped with a dust cover feeding mechanism, a piston rod feeding mechanism, and a loading robot. The dust cover feeding mechanism is used to transport the dust cover, the piston rod feeding mechanism is used to transport the piston rod, and the loading robot is used to transport the dust cover and piston rod to the automatic welding machine 2. It also includes a lifting ring vibratory plate and a lifting ring outlet, which are common existing technical structures and will not be described in detail here.

[0035] To facilitate the description of the lifting ring in the scheme, the lifting ring is divided into two sections: the arc section of the lifting ring and the flat section of the lifting ring, and the vibratory feeder of the lifting ring discharges only one lifting ring at a time;

[0036] The guide frame 10 is an inclined frame structure, with the height of the side near the discharge port of the lifting ring being higher than that of the other side. This allows the ring to roll along the guide frame 10 when the arc section of the lifting ring contacts it, while the flat section of the lifting ring slides along the guide frame 10 when it contacts it.

[0037] The inclined plate 11 is set on the higher side of the guide frame 10. The angle between the extension line of the inclined plate 11 and the mounting body 1 is greater than the angle between the extension line of the guide frame 10 and the mounting body 1. At the same time, the inclined plate 11 is located at the bottom of the lifting ring outlet. When the lifting ring falls, it can contact the inclined plate 11, thereby causing the inclined plate 11 to start rotating. This rotation can make the arc segment of the lifting ring roll along the guide frame 10.

[0038] When in use, the lifting ring is discharged from the lifting ring outlet through the lifting ring vibrating plate. The discharged lifting ring falls directly on the inclined plate 11. The inclined plate 11 provides a supporting force for the lifting ring, causing it to rotate on the guide frame 10, and then contact the lifting ring feeding assembly 4. Under the adjustment of the lifting ring feeding assembly 4, it is fed to the lifting ring seat 3.

[0039] The loading robot grabs the piston rod and feeds the piston rod and dust cover onto the automatic welding machine 2. The lifting ring, dust cover and piston rod come into contact with each other. The automatic welding machine 2 outputs a strong current, which melts the lifting ring, dust cover and piston rod at the contact point and achieves the welding effect. Then, the loading robot removes the piston rod assembly from the automatic welding machine 2, thus completing the automated welding process of the piston rod assembly.

[0040] The lifting ring feeding assembly 4 includes a side bracket 41 mounted on the mounting body 1, a first push rod 42 mounted on the side bracket 41, a lifting positioning component 5 slidably mounted on the side bracket 41, a feeding frame 43 that cooperates with the guide frame 10 mounted on the mounting body 1, and a feeding component 6 mounted on the mounting body 1.

[0041] The feeding frame 43 and the guide frame 10 are not equipped with side plates on adjacent sides, and the two are fitted with a clearance to ensure the normal transport of the lifting ring. The feeding frame 43 is provided with a limiting protrusion on the side away from the guide frame 10 so that the lifting ring will not slide excessively and detach from the feeding frame 43. In addition, the bottom of the feeding frame 43 and the bottom of the guide frame 10 near the feeding frame 43 are both horizontal structures to ensure that the lifting ring can be delivered to the lifting ring seat 3 in the state of waiting to be welded.

[0042] The lifting positioning component 5 includes a lifting seat 51 slidably mounted on a side bracket 41, a drive motor 52 mounted on the lifting seat 51, a drive roller 53 mounted at the output end of the drive motor 52, and an image recognition device 54 mounted on the side bracket 41.

[0043] The lifting seat 51 is connected to the first push rod 42, and the lifting operation of the lifting seat 51 and its structure is realized through the first push rod 42. The drive roller 53 realizes forward and reverse rotation through the drive motor 52.

[0044] Image recognition device 54 can use a combination of industrial camera and machine vision system to achieve effective recognition when the lifting ring is stationary or rotating at low speed;

[0045] There are two situations in which the lifting ring rolls on the guide frame 10: one is that the lifting ring continues to rotate and contacts the drive roller 53. In this state, the drive roller 53 in the lifting and positioning component 5 needs to be adjusted. The other is that after the lifting ring rotates a certain distance, the flat section contacts the guide frame 10. In this state, the drive roller 53 in the lifting and positioning component 5 does not need to be adjusted.

[0046] When the lifting ring rolling on the guide frame 10 contacts the drive roller 53, there are three possible scenarios:

[0047] First, the flat section of the lifting ring is in front of the drive roller 53 clockwise. At this time, the drive roller 53 rotates clockwise, and the lifting ring will rotate counterclockwise until the flat section of the lifting ring contacts the guide frame 10. When the arc section of the lifting ring is driven by the drive roller 53, the arc diameter remains unchanged, so it can continue to rotate.

[0048] Secondly, when the flat section of the lifting ring is behind the drive roller 53 clockwise, the drive roller 53 rotates counterclockwise, and the lifting ring rotates clockwise until the flat section of the lifting ring contacts the guide frame 10. When the arc section of the lifting ring is driven by the drive roller 53, the arc diameter remains unchanged, so it can continue to rotate.

[0049] Third, the flat section of the lifting ring is in contact with the drive roller 53. At this time, the drive roller 53 rotates directly. Then, the height of the drive roller 53 is adjusted, and the situation is handled according to the first two cases.

[0050] The lifting ring that rolls on the guide frame 10 will contact the drive roller 53. At this time, the image recognition device 54 will take a picture of the lifting ring and determine the rotation direction of the lifting ring through the controller. Then, the drive motor 52 will be started to drive the drive roller 53 to rotate in both directions, thereby driving the lifting ring to rotate accordingly, so that the flat section of the lifting ring contacts the guide frame 10.

[0051] The guide frame 10 is composed of a side limiting frame 101, a bottom fixing part 102 and a bottom elastic part 103. A second push rod 12 is provided on the mounting body 1. An upper top frame 13 is provided at the end of the second push rod 12. A roller 14 is rotatably provided on the upper top frame 13. The roller 14 is in contact with the elastic part 103.

[0052] To ensure the normal operation of the image recognition device 54, the limiting frame 101 is designed to be transparent within the recognition range of the image recognition device 54. The elastic part 103 includes the previously mentioned horizontal and inclined parts. At the same time, in order to ensure the limiting of the elastic part 103, the connection position between the fixing part 102 and the elastic part 103 is designed to be inclined, and limiting grooves are opened on both sides of the limiting frame 101. The elastic part 103 is provided with protrusions on both sides that cooperate with the limiting grooves to limit the rotation angle of the elastic part 103.

[0053] The second push rod 12 pushes the elastic part 103 to rotate through the upper top frame 13 and the roller 14, thereby further ensuring that the flat section of the lifting ring can slide down the guide frame 10.

[0054] The feeding component 6 includes a conveying cylinder 61 mounted on the mounting body 1. An adjusting frame 62 is provided at the end of the conveying cylinder 61. The adjusting frame 62 is connected to the feeding frame body 43. A clamping motor 63 is provided on the adjusting frame 62. A screw 64 connected to the output end of the clamping motor 63 is rotatably mounted on the adjusting frame 62. A clamping block 65 is provided on the screw 64. Guide posts that cooperate with the clamping block 65 are provided on both sides of the adjusting frame 62. The clamping block 65 only clamps the top part of the lifting ring.

[0055] During use, the lifting ring is discharged from the lifting ring outlet via the lifting ring vibrating plate. The discharged lifting ring falls directly onto the inclined plate 11, which provides a supporting force to the lifting ring, causing it to rotate on the guide frame 10 and then contact the drive roller 53. The image recognition device 54 identifies the lifting ring during operation and, in conjunction with the controller and drive motor 52, controls the forward and reverse rotation of the drive roller 53, rotating the flat section of the lifting ring until it contacts the guide frame 10. At this time, the drive roller 53 retracts, and the lifting ring slides down the guide frame 10. The second push rod 12 further ensures the rapid descent of the lifting ring without rolling. After sliding down to the feeding frame 43, the clamping motor 63 starts and drives the screw 64 to rotate. The screw 64 drives the clamping block 65 to move, realizing the clamping and positioning of the lifting ring. Then, the conveying cylinder 61 starts and sends the lifting ring to the lifting ring seat 3.

[0056] The loading robot grabs the piston rod and feeds the piston rod and dust cover onto the automatic welding machine 2. The lifting ring, dust cover and piston rod come into contact with each other. The automatic welding machine 2 outputs a strong current, which melts the lifting ring, dust cover and piston rod at the contact point and achieves the welding effect. Then, the loading robot removes the piston rod assembly from the automatic welding machine 2, thus completing the automated welding process of the piston rod assembly.

[0057] Example 2: Please refer to Figure 6 The present invention provides a technical solution:

[0058] An auxiliary device for welding piston rods of automobile shock absorbers, wherein a rotating shaft 15 is rotatably mounted on the guide frame 10, an inclined plate 11 is mounted on the rotating shaft 15, and a feeding spring 16 is provided between the guide frame 10 and the inclined plate 11;

[0059] When the lifting ring falls from a height and hits the inclined plate 11, the feeding spring 16 can absorb some of the kinetic energy, reduce the instantaneous impact force between the lifting ring and the inclined plate 11, and avoid rebound or structural damage caused by rigid collision. The feeding spring 16 can also change the dynamic tilt angle of the inclined plate 11.

[0060] In addition, the setting of the feeding spring 16 can prevent the flat section of the lifting ring from directly contacting the inclined plate 11 and thus failing to fall due to the vibration generated by the falling contact.

[0061] Example 3: Please refer to Figure 1 , Figure 2 , Figures 7-11 The present invention provides a technical solution:

[0062] An auxiliary welding device for automotive shock absorber piston rods includes an installation groove on the lifting ring seat 3 and a compression positioning component 7. The compression positioning component 7 includes a fixed cavity 71 disposed on the lifting ring seat 3, a fixed shaft 72 rotatably disposed in the fixed cavity 71, a pressure component 8 disposed on the fixed shaft 72, a sliding seat 73 disposed on the fixed cavity 71, and a compression component 9 disposed on the sliding seat 73.

[0063] The pressure component 8 includes a rotating rod 81 mounted on a fixed shaft 72. Displacement grooves 82 are provided on both sides of the rotating rod 81. A first top rod 83 and a second top rod 84 are slidably mounted on the lifting ring seat 3 and the fixed cavity 71, respectively. A connector 85 is provided on the side of the first top rod 83 and the second top rod 84 near the rotating rod 81. The connectors 85 slide within the displacement grooves 82. A pressing plate 86 is provided at the end of the first top rod 83 away from the connector 85, and a roller 87 is provided at the end of the second top rod 84 away from the connector 85. A return spring 88 is sleeved on both the first top rod 83 and the second top rod 84.

[0064] The connector 85 is composed of a U-shaped frame and a round rod. The round rod is located in the displacement groove 82 of the top rod. When the rotating rod 81 rotates, it can drive the top rod 1 83 and the top rod 2 84 to slide and shift on the lifting ring seat 3 and the fixed cavity 71 respectively.

[0065] The extrusion member 9 includes a wedge block 91 slidably disposed on the sliding seat 73. The wedge block 91 is in contact with the roller 87. A connecting spring 92 is disposed between the sliding seat 73 and the wedge block 91. An extrusion block 93 is disposed at the bottom of the wedge block 91.

[0066] When the lifting ring is pushed into the lifting ring seat 3, the lifting ring can contact and push the pressing plate 86 inward. Then, the push rod 83 slides inward. With the cooperation of the connector 85 and the displacement groove 82, the push rod 84 slides outward. The roller 87 at the front end of the push rod 84 will press the wedge block 91, so that the wedge block 91 and the pressing block 93 move downward to achieve clamping and positioning of the lifting ring. The return spring 88 and the connecting spring 92 provide subsequent return capability.

[0067] Example 4: Please refer to Figures 9-11 The present invention provides a technical solution:

[0068] An auxiliary device for welding piston rods of automobile shock absorbers, wherein a telescopic rod 17 is provided at the bottom of the wedge block 91, an adjusting spring 18 is sleeved on the outer side of the telescopic rod 17, a connecting seat 19 is provided at the bottom of the telescopic rod 17, and the pressing block 93 is provided on the connecting seat 19;

[0069] The adjustment spring 18 is set so that the lifting ring seat 3 can adapt to lifting rings of different sizes, and at the same time, it can also provide a certain elastic clamping force. The extrusion block 93 is installed on the connecting seat 19 in a detachable manner. When the extrusion block 93 is worn and needs to be replaced, there is no need to replace the entire structure. In addition, the side of the extrusion block 93 away from the extrusion plate 86 is chamfered.

[0070] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0071] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention.

Claims

1. An auxiliary welding device for automotive shock absorber piston rods, comprising an installation body (1), an automatic welding machine (2), and a lifting ring seat (3), characterized in that: The mounting body (1) is provided with a guide frame (10), the guide frame (10) is provided with an inclined plate (11), and the guide frame (10) is provided with a lifting ring feeding assembly (4). The lifting ring feeding assembly (4) includes a side bracket (41) provided on the mounting body (1), a first push rod (42) provided on the side bracket (41), and a lifting positioning component (5) slidably provided on the side bracket (41). The mounting body (1) is provided with a feeding mechanism that cooperates with the guide frame (10). The material rack body (43) is provided with a feeding component (6) on the mounting body (1), and an installation groove is provided on the lifting ring seat (3). It also includes a compression positioning component (7), which includes a fixed cavity (71) on the lifting ring seat (3), a fixed shaft (72) rotatably disposed within the fixed cavity (71), a pressure component (8) on the fixed shaft (72), a sliding seat (73) on the fixed cavity (71), and a compression component (9) on the sliding seat (73). The pressure component (8) includes a rotating rod (81) mounted on a fixed shaft (72). Displacement grooves (82) are provided on both sides of the rotating rod (81). A first push rod (83) and a second push rod (84) are slidably mounted on the lifting ring seat (3) and the fixed cavity (71), respectively. Each of the first push rod (83) and the second push rod (84) has a connector (85) on the side closest to the rotating rod (81). The connectors (85) slide within the displacement grooves (82). The end of the first push rod (83) away from the connector (85) is provided with... An extrusion plate (86) is provided. A roller (87) is provided at the end of the push rod (84) away from the connector (85). A return spring (88) is sleeved on both the push rod (83) and the push rod (84). The extrusion component (9) includes a wedge block (91) slidably disposed on the sliding seat (73). The wedge block (91) is in contact with the roller (87). A connecting spring (92) is provided between the sliding seat (73) and the wedge block (91). An extrusion block (93) is provided at the bottom of the wedge block (91).

2. The auxiliary equipment for welding piston rods of automotive shock absorbers according to claim 1, characterized in that: The lifting positioning component (5) includes a lifting seat (51) slidably mounted on a side bracket (41), a drive motor (52) is mounted on the lifting seat (51), a drive roller (53) is mounted on the output end of the drive motor (52), and an image recognition device (54) is mounted on the side bracket (41).

3. The auxiliary equipment for welding piston rods of automotive shock absorbers according to claim 2, characterized in that: The guide frame (10) is composed of a side limiting frame (101), a bottom fixing part (102) and a bottom elastic part (103). A second push rod (12) is provided on the mounting body (1). An upper top frame (13) is provided at the end of the second push rod (12). A roller (14) is rotatably provided on the upper top frame (13). The roller (14) is in contact with the elastic part (103).

4. The auxiliary equipment for welding piston rods of automotive shock absorbers according to claim 3, characterized in that: The feeding component (6) includes a conveying cylinder (61) mounted on the mounting body (1). An adjusting frame (62) is provided at the end of the conveying cylinder (61). The adjusting frame (62) is connected to the feeding frame body (43). A clamping motor (63) is provided on the adjusting frame (62). A screw (64) connected to the output end of the clamping motor (63) is rotatably provided on the adjusting frame (62). A clamping block (65) is provided on the screw (64).

5. The auxiliary equipment for welding piston rods of automotive shock absorbers according to claim 4, characterized in that: A rotating shaft (15) is rotatably mounted on the guide frame (10), and an inclined plate (11) is mounted on the rotating shaft (15). A feeding spring (16) is provided between the guide frame (10) and the inclined plate (11).

6. The auxiliary equipment for welding piston rods of automotive shock absorbers according to claim 5, characterized in that: The wedge block (91) is provided with a telescopic rod (17) at the bottom, and an adjusting spring (18) is sleeved on the outside of the telescopic rod (17). The telescopic rod (17) is provided with a connecting seat (19) at the bottom, and the extrusion block (93) is provided on the connecting seat (19).

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