Welding device for new energy forklift production

Abstract

The invention relates to the technical field of workpiece welding equipment, in particular to a welding device for new energy forklift production. The technical problems that according to an existing welding device, forklift feet and a forklift body steel plate are difficult to fix well, displacement is prone to occurring in the welding process, and the welding precision is low are solved. A welding device for new energy forklift production comprises a machining table, a limiting frame, placing frames, a steel plate, forklift feet, a fixing component, a correcting component and a pressing component, the limiting frame is fixedly connected to the machining table, the two placing frames are fixedly connected to the machining table, and the two placing frames are symmetrically arranged. The first cylindrical gear rotates to drive a rotating sleeve rod and a pressing rod to rotate, the rotating sleeve rod rotates to drive a protruding block and a rubber block to rotate, the rubber block makes contact with the forklift foot in the rotating process, the forklift foot is squeezed by the rubber blocks on the two sides, then the position of the forklift foot is corrected and fixed, and therefore the welding precision of the forklift foot is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of workpiece welding equipment, and in particular to a welding device for producing new energy forklifts. Background Art

[0002] Forklifts are industrial handling vehicles, which refer to various wheeled handling vehicles for loading and unloading, stacking and short-distance transportation of palletized goods. During the production process of forklifts, different parts of the forklift are assembled by welding, among which the forklift feet are fixed to the body steel plate by welding. However, during the welding process of the forklift feet and the body steel plate, the existing welding device is difficult to position the forklift feet and the body steel plate well, and displacement is easy to occur during the welding process, resulting in low welding accuracy. Summary of the invention

[0003] The purpose of the present invention is to solve the above-mentioned deficiencies of the prior art and provide a welding device for the production of new energy forklifts which can better position the steel plate and the forklift foot and improve the welding accuracy.

[0004] The technical solution is as follows: A welding device for the production of new energy forklifts, including a processing table, a limit frame, a placement frame, a steel plate, a forklift foot, a fixing component, a correction component and a pressing component. The processing table is fixedly connected to the limit frame, and two placement frames are fixedly connected to the processing table. The two placement frames are symmetrically arranged, and a steel plate is placed on the limit frame. A forklift foot is placed on each placement frame. The processing table is provided with a fixing component, a correction component and a pressing component. The fixing component is used to fix the steel plate, the correction component is used to correct the position of the forklift foot, and the pressing component is used to limit the forklift foot.

[0005] Optionally, two positioning holes are formed on each forklift foot.

[0006] Optionally, the fixed components include slide rails, fixed blocks, multi-stage sleeve hydraulic cylinders and connecting rods. Two slide rails are fixedly connected to the processing table. The two slide rails are symmetrically arranged. Fixed blocks are slidably connected to each slide rail. Both fixed blocks extend into the processing table. Four multi-stage sleeve hydraulic cylinders are fixedly connected to the processing table. Two fixed blocks are fixedly connected to connecting rods. The two connecting rods are respectively fixedly connected to the first telescopic rod of a multi-stage sleeve hydraulic cylinder.

[0007] Optionally, the correction component includes a rotating sleeve rod, a protrusion, a rubber block, a column gear 1, a gear rod 1, a limit frame and a guide rod 1. Four groups of rotating sleeve rods are rotatably connected on the processing table. A group of rotating sleeve rods is symmetrically provided on both sides of the two placement racks, with three rotating sleeve rods in each group. The rotating sleeve rods in each group are evenly arranged, each rotating sleeve rod is fixedly connected with a protrusion, each protrusion is fixedly connected with a rubber block, each rotating sleeve rod is fixedly connected with a column gear 1, and two gear rods 1 are slidably connected to the processing table. The two gear rods 1 are symmetrically arranged, each gear rod 1 is respectively meshed with six column gears 1, and two limit frames are fixedly connected to the two gear rods 1. A guide rod 1 is fixedly connected to the first telescopic rod of each multi-stage sleeve hydraulic cylinder, and each guide rod 1 is slidably connected to a limit frame.

[0008] Optionally, the pressing component includes a pressure rod, a pressure spring, a rotating block, a connecting plate, a transmission rod and an extrusion rod. Each rotating sleeve rod is slidably connected to a pressure rod, a pressure spring is connected between the pressure rod and the rotating sleeve rod, each pressure rod is fixedly connected to a rotating block, each rotating block is rotatably connected to a connecting plate, a transmission rod is fixedly connected between every six connecting plates, there are two transmission rods in total, each transmission rod is provided with two limiting holes, and the second telescopic rod of each multi-stage sleeve hydraulic cylinder is fixedly connected to an extrusion rod, and each extrusion rod extends into a limiting hole.

[0009] Optionally, the extrusion rod portion is convex.

[0010] Optionally, a lifting component is also included. A lifting component is provided on the processing table. The lifting component is used to make the forklift foot and the steel plate fit more closely. The lifting component includes a slider, a lifting rod, a reset spring, a column gear 2, a tooth rod 2, a tooth plate and a rotating connecting block. Two sliders are slidably connected to the processing table. The two sliders are symmetrically arranged. The two sliders are slidably connected with lifting rods. Two reset springs are connected between the lifting rods and the sliders. Two column gears 2 are rotatably connected on each slider. Four tooth rods 2 are slidably connected to the processing table, wherein four pressure rods are fixedly connected with a rotating connecting block, each tooth rod 2 is clamped with a rotating connecting block, each tooth rod 2 is meshed with a column gear 2, and two tooth plates are fixedly connected to each lifting rod, and each tooth plate is respectively meshed with a column gear 2.

[0011] Optionally, a pulling component is also included. The processing table is provided with the pulling component, which is used to drive the lifting component. The pulling component includes a pulling rod, a fixed rod, a tension spring and a guide rod 2. Two pulling rods are slidably connected to the processing table, and each pulling rod is slidably connected to a fixed rod. A tension spring is connected between the fixed rod and the pulling rod. The second telescopic rods of the two multi-stage sleeve hydraulic cylinders are fixedly connected to the guide rod 2. There are two guide rods 2 in total, and each guide rod 2 has a limiting groove. The two pulling rods are respectively slidably connected to one guide rod 2.

[0012] The beneficial effects of the present invention are as follows: 1. When the gear rod moves, it will mesh with the column gear, so that the column gear will rotate 90 degrees. When the column gear rotates, it will drive the rotating sleeve rod and the pressure rod to rotate. The rotation of the rotating sleeve rod will drive the protrusion and the rubber block to rotate. During the rotation of the rubber block, it will contact the forklift foot. The forklift foot will be squeezed by the rubber blocks on both sides, so that the position of the forklift foot will be corrected and fixed, thereby improving the welding accuracy of the forklift foot.

[0013] 2. During the movement of the squeezing rod, the raised part of the squeezing rod will squeeze the transmission rod, causing the transmission rod to move away from the toothed rod. The movement of the transmission rod will drive the connecting plate to move together. The movement of the connecting plate will drive the bottom of the pressure rod to extend the rotating sleeve rod. The pressure spring is compressed, causing the pressure rod to press the forklift foot, further fixing the forklift foot and further improving the welding accuracy of the forklift foot.

[0014] 3. The lifting rod is inserted into one of the positioning holes of the forklift foot. The second guide rod continues to move to squeeze the pull rod, causing the pull rod to move away from the slider, causing the fixed rod to pull the slider, causing the slider to move toward the forklift foot. The movement of the slider drives the lifting rod to move, causing the lifting rod to squeeze the forklift foot, thereby making the forklift foot fit more closely with the steel plate, thereby improving the welding quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the placement rack and the fixing rack of the present invention.

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the multi-stage sleeve hydraulic cylinder, the transmission rod and the gear rod 2 of the present invention.

[0018] Figure 4 It is a schematic diagram of a partially split three-dimensional structure of the present invention.

[0019] Figure 5 It is a three-dimensional structural schematic diagram of the fixing block, the multi-stage sleeve hydraulic cylinder and the connecting rod of the present invention.

[0020] Figure 6 It is a schematic diagram of the disassembled three-dimensional structure of the fixing component of the present invention.

[0021] Figure 7 It is a three-dimensional structural schematic diagram of the rotating sleeve rod, the convex block and the rubber block of the present invention.

[0022] Figure 8 It is a three-dimensional structural schematic diagram of the rotating sleeve rod, column gear one and gear rod one of the present invention.

[0023] Fig. 9For the present invention Figure 3 Schematic diagram of the enlarged three-dimensional structure at point A in the middle.

[0024] Fig.10 It is a schematic diagram of the disassembled three-dimensional structure of the correction component of the present invention.

[0025] Fig.11 It is a three-dimensional structural schematic diagram of the rotating sleeve rod, the pressure rod and the pressure spring of the present invention.

[0026] Fig.12 It is a three-dimensional structural schematic diagram of the multi-stage sleeve hydraulic cylinder, the extrusion rod and the transmission rod of the present invention.

[0027] Fig.13 It is a schematic diagram of the cross-sectional three-dimensional structure of the connecting plate of the present invention.

[0028] Fig.14 It is a schematic diagram of the disassembled three-dimensional structure of the pressing component of the present invention.

[0029] Fig.15 It is a three-dimensional structural schematic diagram of the pressure rod, the rotating connecting block and the second gear rod of the present invention.

[0030] Fig.16 It is a schematic diagram of the cross-sectional three-dimensional structure of the slider of the present invention.

[0031] Fig.17 It is a schematic diagram of the disassembled three-dimensional structure of the lifting component of the present invention.

[0032] Fig.18 It is a three-dimensional structural schematic diagram of the multi-stage sleeve hydraulic cylinder, the pull rod and the guide rod 2 of the present invention.

[0033] Fig.19 It is a schematic diagram of the three-dimensional structure of the pull rod, tension spring and fixing rod of the present invention.

[0034] Fig. 20 It is a schematic diagram of the disassembled three-dimensional structure of the pulling component of the present invention.

[0035] Markings in the accompanying drawings: 1: processing table, 2: limiting frame, 3: placing frame, 4: steel plate, 5: forklift foot, 61: slide rail, 62: fixed block, 63: multi-stage sleeve hydraulic cylinder, 64: connecting rod, 71: rotating sleeve rod, 72: bump, 73: rubber block, 74: column gear one, 75: gear rod one, 76: limiting frame, 77: guide rod one, 81: pressure rod, 82: pressure spring, 83: rotating block, 84: connecting plate, 85: transmission rod, 86: extrusion rod, 91: slider, 92: lifting rod, 93: reset spring, 94: column gear two, 95: gear rod two, 96: gear plate, 97: rotating connecting block, 101: pull rod, 102: fixed rod, 103: tension spring, 104: guide rod two. DETAILED DESCRIPTION

[0036] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0037] Embodiment 1: A welding device for producing new energy forklifts, such as Figure 1-Figure 20 As shown, it includes a processing table 1, a limiting frame 2, a placing frame 3, a steel plate 4, a forklift foot 5, a fixing component, a correcting component and a pressing component. The limiting frame 2 is fixedly connected to the processing table 1, and two placing frames 3 are fixedly connected to the processing table 1. The two placing frames 3 are symmetrically arranged. The steel plate 4 is placed on the limiting frame 2, and a forklift foot 5 is placed on each placing frame 3. The processing table 1 is provided with a fixing component, a correcting component and a pressing component. The fixing component is used to fix the steel plate 4, the correcting component is used to correct the position of the forklift foot 5, and the pressing component is used to limit the forklift foot 5.

[0038] Each forklift foot 5 has two positioning holes.

[0039] The fixed components include a slide rail 61, a fixed block 62, a multi-stage sleeve hydraulic cylinder 63 and a connecting rod 64. Two slide rails 61 are fixedly connected to the processing table 1. The two slide rails 61 are symmetrically arranged. Each slide rail 61 is slidably connected to a fixed block 62. The fixed block 62 is used to position the steel plate 2. The two fixed blocks 62 extend into the processing table 1. Four multi-stage sleeve hydraulic cylinders 63 are fixedly connected to the processing table 1. The two fixed blocks 62 are fixedly connected to the connecting rod 64 by bolts. The two connecting rods 64 are respectively fixedly connected to the first extension of a multi-stage sleeve hydraulic cylinder 63 by bolts.

[0040] The correction components include a rotating sleeve rod 71, a protrusion 72, a rubber block 73, a column gear 74, a gear rod 75, a limit frame 76 and a guide rod 77. Four groups of rotating sleeve rods 71 ​​are rotatably connected on the processing table 1. A group of rotating sleeve rods 71 ​​is symmetrically arranged on both sides of the two placement racks 3. Each group has three rotating sleeve rods 71. The rotating sleeve rods 71 ​​of each group are evenly arranged. Each rotating sleeve rod 71 is fixedly connected to a protrusion 72. Each protrusion 72 is fixedly connected to a rubber block 73. The rubber block 73 is used to For correcting the forklift foot 5, each rotating sleeve rod 71 is fixedly connected to a column gear 74, and two gear rods 75 are slidably connected to the processing table 1. The two gear rods 75 are symmetrically arranged, and each gear rod 75 is respectively engaged with six column gears 74. Two limit frames 76 are fixedly connected to the two gear rods 75. A guide rod 77 is fixedly connected to the first telescopic rod of each multi-stage sleeve hydraulic cylinder 63 by bolts, and each guide rod 77 is slidably connected to a limit frame 76.

[0041] The pressing component includes a pressing rod 81, a pressure spring 82, a rotating block 83, a connecting plate 84, a transmission rod 85 and a squeezing rod 86. Each rotating sleeve rod 71 is slidably connected with a pressing rod 81, and the pressing rod 81 is used to press and fix the forklift foot 5. A pressure spring 82 is connected between the pressing rod 81 and the rotating sleeve rod 71. Each pressing rod 81 is fixedly connected with a rotating block 83. Each rotating block 83 is rotatably connected with a connecting plate 84. A transmission rod 85 is fixedly connected between every six connecting plates 84. There are two transmission rods 85 in total. Each transmission rod 85 is provided with two limiting holes. The second telescopic rod of each multi-stage sleeve hydraulic cylinder 63 is fixedly connected with a squeezing rod 86 by bolts, and each squeezing rod 86 extends into a limiting hole.

[0042] The squeeze rod 86 is partially convex.

[0043] Initially, the user places the steel plate 4 on the limiting frame 2, and places the two forklift feet 5 on the placing frame 3 respectively, so that the welding surface of the forklift feet 5 can contact the welding surface of the steel plate 4. Then, the user controls the first telescopic rod of the multi-stage sleeve hydraulic cylinder 63 to extend, and the first telescopic rod of the multi-stage sleeve hydraulic cylinder 63 drives the two fixed blocks 62 to move towards each other through the transmission of the connecting rod 64. After the two fixed blocks 62 contact the steel plate 4 and clamp the steel plate 4, the first telescopic rod of the multi-stage sleeve hydraulic cylinder 63 stops extending. The extension of the first telescopic rod of the multi-stage sleeve hydraulic cylinder 63 will drive the guide rod 77 to move, and the guide rod 77 will squeeze the limiting frame 76 during the movement. The limiting frame 76 The extrusion will drive the gear rod 75 to move to one side of the processing table 1. The movement of the gear rod 75 will mesh with the column gear 74, causing the column gear 74 to rotate 90 degrees. The rotation of the column gear 74 will drive the rotating sleeve rod 71 and the pressure rod 81 to rotate. The rotation of the rotating sleeve rod 71 will drive the protrusion 72 and the rubber block 73 to rotate. The rubber block 73 will contact the forklift foot 5 during the rotation process. The forklift foot 5 will be squeezed by the rubber blocks 73 on both sides, so that the position of the forklift foot 5 will be corrected and fixed, thereby improving the welding accuracy of the forklift foot 5. Subsequently, the user controls the second telescopic rod of the multi-stage sleeve hydraulic cylinder 63 to extend. The extension of the second telescopic rod of the multi-stage sleeve hydraulic cylinder 63 will drive the squeezing rod 8 6 moves in the direction close to the transmission rod 85. During the movement of the squeezing rod 86, the convex part of the squeezing rod 86 will squeeze the transmission rod 85, so that the transmission rod 85 will move in the direction away from the toothed rod 75. The movement of the transmission rod 85 will drive the connecting plate 84 to move together. The movement of the connecting plate 84 will drive the bottom of the pressure rod 81 to extend the rotating sleeve rod 71. The pressure spring 82 is compressed, so that the pressure rod 81 will press the forklift foot 5, further fix the forklift foot 5, and further improve the welding accuracy of the forklift foot 5. Then, the user welds the steel plate 4 and the forklift foot 5. After the welding is completed, the user controls the telescopic rod of the multi-stage sleeve hydraulic cylinder 63 to retract, and the second telescopic rod of the multi-stage sleeve hydraulic cylinder 63 is retracted. The rod retracts and drives the squeezing rod 86 to reset. The squeezing rod 86 resets and no longer squeezes the transmission rod 85. The pressure spring 82 resets and drives the pressure rod 81 and the transmission rod 85 to reset. The first telescopic rod of the multi-stage sleeve hydraulic cylinder 63 retracts and drives the connecting rod 64 and the guide rod 77 to reset. The connecting rod 64 resets and drives the fixed block 62 to reset. The guide rod 77 resets and drives the limit frame 76 and the gear rod 75 to reset. The gear rod 75 resets and drives the column gear 74 to reverse. The column gear 74 reverses and drives the pressure rod 81 and the rotating sleeve rod 71 to reset. The rotating sleeve rod 71 resets and drives the protrusion 72 and the rubber block 73 to reset. In this way, the steel plate 4 and the forklift foot 5 can be better positioned, thereby improving the welding accuracy.

[0044] Embodiment 2: Based on embodiment 1, Figure 15-Figure 20As shown, a lifting component is also included. The processing table 1 is provided with a lifting component, which is used to make the forklift foot 5 and the steel plate 4 fit more closely. The lifting component includes a slider 91, a lifting rod 92, a return spring 93, a column gear 94, a tooth rod 95, a tooth plate 96 and a rotating connecting block 97. Two sliders 91 are slidably connected to the processing table 1. The two sliders 91 are symmetrically arranged. The two sliders 91 are slidably connected with a lifting rod 92. The lifting rod 92 is used to squeeze the forklift foot 5. Two return springs 93 are connected between the lifting rod 92 and the slider 91. Two column gears 94 are rotatably connected to each slider 91. Four tooth rods 95 are slidably connected to the processing table 1, wherein the four pressure rods 81 are fixedly connected with a rotating connecting block 97, each tooth rod 95 is clamped with a rotating connecting block 97, each tooth rod 95 is meshed with the column gear 94, and two tooth plates 96 are fixedly connected to each lifting rod 92, and each tooth plate 96 is respectively meshed with a column gear 94.

[0045] The processing table 1 is provided with a pulling component, and the pulling component is used to drive the lifting component. The pulling component includes a pulling rod 101, a fixed rod 102, a tension spring 103 and a guide rod 104. Two pulling rods 101 are slidably connected to the processing table 1, and the pulling rods 101 are used to pull the slider 91. Each pulling rod 101 is slidably connected to the fixed rod 102, and a tension spring 103 is connected between the fixed rod 102 and the pulling rod 101. The second telescopic rods of the two multi-stage sleeve hydraulic cylinders 63 are fixedly connected with the guide rod 104 by bolts. There are two guide rods 104 in total, and each guide rod 104 is provided with a limiting groove. The two pulling rods 101 are slidably connected to one guide rod 104 respectively.

[0046] In the process of extending the rotating sleeve rod 71 from the bottom of the pressure rod 81, the pressure rod 81 will drive the rotating connecting block 97 to move together, and the rotating connecting block 97 will drive the gear rod 2 95 to extend out of the processing table 1, and the gear rod 2 95 will mesh with the column gear 2 94. The rotation of the column gear 2 94 will mesh with the tooth plate 96, so that the tooth plate 96 will drive the lifting rod 92 to extend out of the slider 91, and the reset spring 93 will be compressed. The extension of the second telescopic rod of the multi-stage sleeve hydraulic cylinder 63 will drive the two guide rods 2 104 to move in a direction close to each other. After the pressure rod 81 presses the forklift foot 5, the second telescopic rod of the multi-stage sleeve hydraulic cylinder 63 continues to extend, the transmission rod 85 no longer moves, and the lifting rod 92 is stuck in one of the positioning holes of the forklift foot 5. The guide rod 2 104 continues to move to squeeze the pull rod 101, so that the pull rod 101 will move in a direction away from the slider 91. , so that the fixed rod 102 will pull the slider 91, so that the slider 91 will move in the direction close to the forklift foot 5, the movement of the slider 91 drives the lifting rod 92 to move, so that the lifting rod 92 will squeeze the forklift foot 5, and then the forklift foot 5 can fit more closely with the steel plate 4, thereby improving the welding quality, the pull rod 101 continues to move, the lifting rod 92 is pushed by the forklift foot 5, and the slider 91 cannot move further, so that the fixed rod 102 will extend out of the pull rod 101, the tension spring 103 is stretched, and during the retraction process of the second telescopic rod of the multi-stage sleeve hydraulic cylinder 63, the guide rod 104 resets and drives the pull rod 101 to reset, the tension spring 103 resets and drives the slider 91 and the fixed rod 102 to reset, the pressure rod 81 resets and drives the gear rod 2 95 to reset, the gear rod 2 95 resets and drives the lifting rod 92 to reset, and the reset spring 93 resets.

[0047] The above-mentioned embodiments only express the preferred implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present invention. It should be pointed out that, for a person skilled in the art, several modifications, improvements and substitutions can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the attached claims.

Claims

1. A welding device for the production of new energy forklifts, characterized in that: The invention comprises a processing table (1), a limiting frame (2), a placing frame (3), a steel plate (4), a forklift foot (5), a fixing component, a correcting component and a pressing component. The limiting frame (2) is fixedly connected to the processing table (1). Two placing frames (3) are fixedly connected to the processing table (1). The two placing frames (3) are symmetrically arranged. The steel plate (4) is placed on the limiting frame (2). A forklift foot (5) is placed on each placing frame (3). The processing table (1) is provided with a fixing component, a correcting component and a pressing component. The fixing component is used to fix the steel plate (4). The correcting component is used to correct the position of the forklift foot (5). The pressing component is used to limit the forklift foot (5).

2. A welding device for producing new energy forklifts according to claim 1, characterized in that: Each forklift foot (5) has two positioning holes.

3. A welding device for producing new energy forklifts according to claim 1, characterized in that: The fixed component comprises a slide rail (61), a fixed block (62), a multi-stage sleeve hydraulic cylinder (63) and a connecting rod (64). The processing table (1) is fixedly connected to two slide rails (61), the two slide rails (61) are symmetrically arranged, each of the slide rails (61) is slidably connected to a fixed block (62), the two fixed blocks (62) are both extended into the processing table (1), four multi-stage sleeve hydraulic cylinders (63) are fixedly connected to the processing table (1), the two fixed blocks (62) are fixedly connected to a connecting rod (64), and the two connecting rods (64) are respectively fixedly connected to the first telescopic rod of a multi-stage sleeve hydraulic cylinder (63).

4. A welding device for producing new energy forklifts according to claim 3, characterized in that: The correction component comprises a rotating sleeve rod (71), a protrusion (72), a rubber block (73), a column gear (74), a gear rod (75), a limit frame (76) and a guide rod (77). Four groups of rotating sleeve rods (71) are rotatably connected to the processing table (1). A group of rotating sleeve rods (71) is symmetrically arranged on both sides of the two placement racks (3). Each group has three rotating sleeve rods (71). The rotating sleeve rods (71) of each group are evenly arranged. Each rotating sleeve rod (71) is fixedly connected to a protrusion (72). Each protrusion (72) is fixedly connected to a rubber block. A rubber block (73), each rotating sleeve rod (71) is fixedly connected to a column gear (74), two gear rods (75) are slidably connected to the processing table (1), the two gear rods (75) are symmetrically arranged, each gear rod (75) is respectively meshed with six column gears (74), two limit frames (76) are fixedly connected to the two gear rods (75), and a guide rod (77) is fixedly connected to the first telescopic rod of each multi-stage sleeve hydraulic cylinder (63), and each guide rod (77) is slidably connected to a limit frame (76).

5. A welding device for producing new energy forklifts according to claim 4, characterized in that: The pressing component comprises a pressing rod (81), a pressure spring (82), a rotating block (83), a connecting plate (84), a transmission rod (85) and an extrusion rod (86); each rotating sleeve rod (71) is slidably connected to a pressing rod (81); a pressure spring (82) is connected between the pressing rod (81) and the rotating sleeve rod (71); each pressing rod (81) is fixedly connected to a rotating block (83); each rotating block (83) is rotatably connected to a connecting plate (84); a transmission rod (85) is fixedly connected between every six connecting plates (84); there are two transmission rods (85) in total; each transmission rod (85) is provided with two limiting holes; a second telescopic rod of each multi-stage sleeve hydraulic cylinder (63) is fixedly connected to an extrusion rod (86); each extrusion rod (86) extends into a limiting hole.

6. A welding device for producing new energy forklifts according to claim 5, characterized in that: The squeeze rod (86) is partially raised.

7. A welding device for producing new energy forklifts according to claim 5, characterized in that: The processing table (1) also includes a lifting component. The lifting component is provided on the processing table (1). The lifting component is used to make the forklift foot (5) and the steel plate (4) fit more closely. The lifting component includes a slider (91), a lifting rod (92), a return spring (93), a second column gear (94), a second gear rod (95), a gear plate (96) and a rotating connection block (97). The processing table (1) is slidably connected to two sliders (91). The two sliders (91) are symmetrically arranged. The two sliders (91) are slidably connected to the lifting rods (92). The lifting rods (92) and the sliders (91) Two return springs (93) are connected therebetween, two column gears (94) are rotatably connected to each slider (91), four gear rods (95) are slidably connected to the processing table (1), four pressure rods (81) are fixedly connected to a rotatable connecting block (97), each gear rod (95) is clamped to a rotatable connecting block (97), each gear rod (95) is meshed with a column gear (94), and two tooth plates (96) are fixedly connected to each lifting rod (92), each tooth plate (96) is respectively meshed with a column gear (94).

8. A welding device for producing new energy forklifts according to claim 7, characterized in that: The invention also comprises a pulling component. The processing table (1) is provided with the pulling component, which is used to drive the lifting component. The pulling component comprises a pulling rod (101), a fixing rod (102), a tension spring (103) and a second guide rod (104). Two pulling rods (101) are slidably connected to the processing table (1), each pulling rod (101) is slidably connected to a fixing rod (102), and a tension spring (103) is connected between the fixing rod (102) and the pulling rod (101). The second telescopic rods of the two multi-stage sleeve hydraulic cylinders (63) are fixedly connected to a second guide rod (104). There are two second guide rods (104) in total. Each second guide rod (104) is provided with a limiting groove. The two pulling rods (101) are respectively slidably connected to a second guide rod (104).

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