Automatic welding equipment for loader

Abstract

The present invention discloses an automatic welding device for a loader, and relates to the field of mechanical processing technology. The present invention comprises a base and a crossbeam, wherein the base is internally rotatably connected with a bidirectional threaded rod, wherein the base is internally slidably connected with a slider, wherein the slider is threadedly connected with the bidirectional threaded rod, and wherein the top of the slider is fixedly connected with a support plate. The present invention sets an anti-mis-touch rotation mechanism, so that when a clamping block is needed to clamp and position the crossbeam, the turning rod is pressed to the left so that the block slides into the leftmost end of the embedding groove, and then the turning rod is rotated. At this time, the bidirectional threaded rod is driven to rotate by the cooperation between the block and the embedding groove, and the rotation of the bidirectional threaded rod drives the clamping block to move to clamp and position the crossbeam, and when the turning rod is released, the reset spring drives the turning rod to move to the right to restore, and at this time, the rotation of the turning rod does not drive the bidirectional threaded rod to rotate, so as to prevent the positioning deviation of the clamping block caused by mis-touch, thereby affecting the accuracy of welding.

Description

Technical Field

[0001] The invention relates to the technical field of mechanical processing, in particular to automatic welding equipment for a loader. Background Art

[0002] With the development of digitalization, automation, computers, and mechanical design technology, as well as the high attention paid to welding quality, automatic welding has developed into an advanced manufacturing technology. Automatic welding equipment plays an increasingly important role in various industrial applications, and its application scope is rapidly expanding. In modern industrial production, the mechanization and automation of the welding production process is an inevitable trend in the modernization of the welding mechanism manufacturing industry.

[0003] The patent document with the publication number CN116252093B discloses a welding tool for a loader boom, including a lifting system, a lower positioning mechanism, an upper positioning mechanism, a side positioning mechanism and an auxiliary positioning mechanism. The lower positioning mechanism includes three positioning columns and a tool bottom plate. The bottom of the positioning column is provided with a positioning plug rod. The top of the tool bottom plate is provided with a plurality of positioning plug holes. The upper positioning mechanism includes three positioning blocks and a tool top plate. The top of the positioning block is provided with a threaded rod. The bottom of the positioning block is provided with a rotary handle. The bottom of the tool top plate is provided with a plurality of positioning screw holes. A connecting bracket is provided on the top, and the lower positioning mechanism and the upper positioning mechanism are arranged at intervals up and down. The connecting bracket is connected to the lifting system, the side positioning mechanism is located directly below the tooling bottom plate, and the auxiliary positioning mechanism is arranged on the side wall of the connecting bracket. The above application document drives the clamping frame to move toward the beam by pushing the electric push rod. The two clamping frames can be pressed against the beam to position the beam. The electric push rod drives the clamping frame to position the beam, which is prone to excessive clamping. Manual positioning of the beam may result in inaccurate positioning due to accidental touch. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention provides a loader automatic welding device, which solves the problems raised in the above background technology.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a loader automatic welding equipment, including a base and a crossbeam, the base is internally rotatably connected with a two-way threaded rod, the base is internally slidably connected with a slider, the slider is threadedly connected to the two-way threaded rod, the top of the slider is fixedly connected with a support plate, the side of the support plate passes through and is fixedly connected with a cross bar, the side of the cross bar is fixedly connected with a clamping block, the top of the base is fixedly connected with a bottom plate, the top of the bottom plate is provided with a hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected with a top plate, the top of the bottom plate and the bottom of the top plate are both provided with large arm plates, the top of the bottom plate and the bottom of the top plate are provided with threaded holes, and the top of the large arm plate is opened A positioning hole is provided, the big arm plate, the side of the two-way threaded rod is provided with an anti-accidental touch rotation mechanism, the side of the clamping block is provided with a buffer mechanism, and the inside of the cross bar is provided with an anti-excessive clamping mechanism; the anti-accidental touch rotation mechanism includes a rotating rod and a long groove, the long groove is opened inside the two-way threaded rod, the rotating rod passes through the side of the long groove, the end of the rotating rod close to the inside of the long groove is fixedly connected with a moving block, a reset spring is fixedly connected to the inner wall of the long groove, an embedded groove assembly is provided on the inner wall of the long groove, a groove is opened on the surface of the moving block, a compression spring is provided inside the groove, a block is slidably connected to the inside of the groove through the compression spring, and a ball is provided at the end of the block away from the compression spring.

[0006] According to the above technical solution, the end of the return spring away from the inner wall of the long groove initially contacts the end of the moving block away from the rotating rod. When the moving block moves to the left, it squeezes the return spring so that the return spring is gradually tightened.

[0007] According to the above technical solution, the end of the ball away from the block is in close contact with the inner wall of the long groove in the initial state, and the compression spring is in a taut state in the initial state. When the moving block rotates or slides in the long groove, the ball will roll, and when the compression spring rebounds, it will drive the block to move out of the groove.

[0008] According to the above technical solution, the embedding groove assembly includes an embedding groove, which is opened on the inner wall of the long groove, and a sliding groove is opened on the side of the embedding groove. An elastic spring and a bell are arranged inside the sliding groove, and an extrusion block is slidably connected to the inside of the sliding groove through an elastic spring. A firing pin is fixedly connected to one end of the extrusion block close to the elastic spring, and when the moving block moves to the left, the block will slide into the embedding groove.

[0009] According to the above technical solution, the overall shape of the embedding groove is a right-angled trapezoid, and the number of the embedding grooves is set to ten groups. After the block is embedded in the leftmost end of the groove, the rotating rod will drive the bidirectional threaded rod to rotate through the cooperation between the block and the embedding groove. The setting of ten groups of embedding grooves can ensure the insertion of the block.

[0010] According to the above technical solution, the buffer mechanism includes a buffer groove, which is opened on the side of the clamping block, a buffer spring is arranged inside the buffer groove, a buffer block is slidably connected to the inside of the buffer groove through the buffer spring, a bracket is fixedly connected to one end of the buffer block close to the buffer spring, a roller is rotatably connected to the inner side of the bracket, a square groove is opened on the surface of the roller, an elastic rope is arranged inside the square groove, and a resistance block is slidably connected to the inside of the square groove through the elastic rope.

[0011] According to the above technical solution, the outer wall of the roller is tightly fitted with the inner wall of the buffer groove in the initial state, and the resistance block is completely located inside the square groove in the initial state. When the buffer block moves in the buffer groove, the roller rotates due to friction with the inner wall of the buffer groove, and the resistance block will not affect the movement of the buffer block when it is completely located in the square groove.

[0012] According to the above technical solution, the anti-over-clamping mechanism includes a pneumatic chamber and a gear block plate, the pneumatic chamber is fixedly connected to the inside of the cross bar, an airbag is provided at one end of the pneumatic chamber, and the other two ends of the pneumatic chamber are piston-slidingly connected with push rods, and the end of the push rod away from the pneumatic chamber is fixedly connected with a slide cylinder, a telescopic spring is provided inside the slide cylinder, and an arc block is slidably connected to the inside of the slide cylinder through the telescopic spring, and the gear block plate is fixedly connected to the top of the base.

[0013] According to the above technical solution, the airbag is close to the buffer block in the initial state, and the airbag is in an expanded state in the initial state. When the buffer block moves toward the buffer spring, it will squeeze the airbag. The squeezed airbag and the air pressure inside it will enter the air pressure chamber to push the other two end push rods to move downward.

[0014] According to the above technical solution, the arc block is located above the tooth block plate, the depth inside the slide tube is greater than the length of the arc block, and the arc block moves downward to be stuck between the tooth blocks on the tooth block plate. When the arc surface of the arc block is squeezed, it can be completely retracted into the slide tube.

[0015] The present invention provides a loader automatic welding device, which has the following beneficial effects:

[0016] (1) The present invention provides an anti-accidental-touch rotation mechanism so that when the clamping block is needed to clamp and position the beam, the rotating rod is pressed to the left so that the block slides into the leftmost end of the embedding groove, and then the rotating rod is rotated. At this time, the block and the embedding groove cooperate to drive the bidirectional threaded rod to rotate. The rotation of the bidirectional threaded rod drives the clamping block to move to clamp and position the beam. When the rotating rod is released, the reset spring drives the rotating rod to move to the right to restore. At this time, rotating the rotating rod will not drive the bidirectional threaded rod to rotate, thereby preventing the clamping block from being offset due to accidental touch and affecting the welding accuracy.

[0017] (2) The present invention sets a buffer mechanism so that when the clamping block moves to clamp and position the beam, the buffer block will first contact the beam. At this time, the cooperation of the buffer block and the buffer spring will play a buffering role, preventing the clamping block from moving too fast and causing a large impact force on the beam, thereby causing damage to the beam. When the buffer block is forced to move into the buffer groove, the centrifugal force generated by the rotation of the roller will throw the resistance block out to contact the inner wall of the buffer groove. The resistance generated at this time will slow down the movement speed of the buffer block, further improving the buffering effect.

[0018] (3) The present invention sets an anti-over-clamping mechanism so that the buffer block is moved into the buffer groove under the force. When the buffer spring is gradually tightened, the buffer block will squeeze the airbag. At this time, the air pressure in the airbag will enter the air pressure chamber and push the push rods at the other two ends to move downward, driving the arc block to be clamped between the tooth blocks on the tooth block plate, so that the clamping block can no longer move toward the crossbeam, preventing excessive squeezing of the crossbeam and causing deformation. When the two-way threaded rod reverses and drives the clamping block to leave the crossbeam, it will not be affected. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional front view of the overall structure of the present invention;

[0020] Figure 2 A three-dimensional bottom view of the overall structure of the present invention;

[0021] Figure 3 A three-dimensional cross-sectional view of the overall structure of the present invention;

[0022] Figure 4 A three-dimensional cross-sectional view of the structure at the base of the present invention;

[0023] Figure 5 A three-dimensional schematic diagram of the structure of the anti-mistouch rotation mechanism of the present invention;

[0024] Figure 6 A three-dimensional cross-sectional view of the structure of the anti-mis-touch rotation mechanism of the present invention;

[0025] Figure 7 For the present invention Figure 6 A three-dimensional enlarged view of the structure at A in the middle;

[0026] Figure 8 A three-dimensional cross-sectional view of the overall structure of the buffer mechanism of the present invention;

[0027] Fig. 9 A three-dimensional cross-sectional view of a partial structure of the buffer mechanism of the present invention;

[0028] Fig.10 A three-dimensional schematic diagram of the anti-over-clamping mechanism structure of the present invention;

[0029] Fig.11It is a three-dimensional cross-sectional view of the anti-over-clamping mechanism structure of the present invention.

[0030] In the figure: 1, base; 2, bidirectional threaded rod; 3, slider; 4, support plate; 5, cross bar; 6, clamping block; 7, bottom plate; 9, threaded hole; 10, hydraulic cylinder; 11, top plate; 12, big arm plate; 13, positioning hole; 14, cross beam; 15, anti-accidental touch rotation mechanism; 151, rotating rod; 152, long groove; 153, moving block; 154, reset spring; 155, embedded slot assembly; 1551, embedded slot; 1552, slide slot; 1553, elastic spring; 1554, extrusion block; 1555, Strike pin; 1556, bell; 156, groove; 157, compression spring; 158, block; 159, ball; 16, buffer mechanism; 161, buffer groove; 162, buffer spring; 163, buffer block; 164, bracket; 165, roller; 166, square groove; 167, elastic rope; 168, resistance block; 17, anti-over-clamping mechanism; 171, air pressure chamber; 172, air bag; 173, push rod; 174, slide; 175, telescopic spring; 176, arc block; 177, tooth block plate. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0032] See also Figure 1-9An embodiment of the present invention is: a loader automatic welding equipment, including a base 1 and a crossbeam 14, the base 1 is internally rotatably connected with a bidirectional threaded rod 2, the base 1 is internally slidably connected with a slider 3, the slider 3 is threadedly connected to the bidirectional threaded rod 2, the top of the slider 3 is fixedly connected with a support plate 4, the side of the support plate 4 is penetrated and fixedly connected with a cross bar 5, the side of the cross bar 5 is fixedly connected with a clamping block 6, the top of the base 1 is fixedly connected with a bottom plate 7, the top of the bottom plate 7 is provided with a hydraulic cylinder 10, the output end of the hydraulic cylinder 10 is fixedly connected with a top plate 11, the top of the bottom plate 7 and the bottom of the top plate 11 are both provided with a large arm plate 12, the top of the bottom plate 7 and the bottom of the top plate 11 are provided with threaded holes 9, and the top of the large arm plate 12 is provided with a positioning hole 13, The big arm plate 12 and the side of the two-way threaded rod 2 are provided with an anti-accidental touch rotation mechanism 15, the side of the clamping block 6 is provided with a buffer mechanism 16, and the inside of the cross bar 5 is provided with an anti-over-clamping mechanism 17; the anti-accidental touch rotation mechanism 15 includes a rotating rod 151 and a long groove 152, the long groove 152 is opened inside the two-way threaded rod 2, the rotating rod 151 runs through the side of the long groove 152, and the end of the rotating rod 151 close to the inside of the long groove 152 is fixedly connected with a moving block 153, and the inner wall of the long groove 152 is fixedly connected with a return spring 154, and the end of the return spring 154 away from the inner wall of the long groove 152 is initially in conflict with the end of the moving block 153 away from the rotating rod 151, and when the moving block 153 moves to the left, it will squeeze the return spring 154 so that the return spring 1 54 is gradually tightened, an embedded slot assembly 155 is provided on the inner wall of the long slot 152, and the embedded slot assembly 155 includes an embedded slot 1551, the embedded slot 1551 is opened on the inner wall of the long slot 152, a slide slot 1552 is opened on the side of the embedded slot 1551, and an elastic spring 1553 and a bell 1556 are arranged inside the slide slot 1552, and an extrusion block 1554 is slidably connected to the inside of the slide slot 1552 through the elastic spring 1553, and a striker 1555 is fixedly connected to the end of the extrusion block 1554 close to the elastic spring 1553. When the moving block 153 moves to the left, the block 158 will slide into the embedded slot 1551. The overall shape of the embedded slot 1551 is a right-angle trapezoid, and the number of the embedded slots 1551 is set to ten groups, and the block 158 is embedded After reaching the leftmost end in the groove 1551, rotating the rotating rod 151 will drive the bidirectional threaded rod 2 to rotate through the cooperation of the block 158 and the embedded groove 1551. The arrangement of the ten sets of embedded grooves 1551 can ensure the insertion of the block 158. The surface of the moving block 153 is provided with a groove 156, and a compression spring 157 is arranged inside the groove 156. The block 158 is slidably connected to the inside of the groove 156 through the compression spring 157. A ball 159 is arranged at one end of the block 158 away from the compression spring 157. The end of the ball 159 away from the block 158 is in close contact with the inner wall of the long groove 152 in the initial state. The compression spring 157 is in a taut state in the initial state. When the moving block 153 rotates or slides in the long groove 152, the ball 159 will roll.When the compression spring 157 rebounds, it drives the block 158 to move outward from the groove 156. The buffer mechanism 16 includes a buffer groove 161, which is opened on the side of the clamping block 6. A buffer spring 162 is arranged inside the buffer groove 161. A buffer block 163 is slidably connected to the inside of the buffer groove 161 through the buffer spring 162. The buffer block 163 is fixedly connected to a bracket 164 at one end close to the buffer spring 162. A roller 165 is rotatably connected to the inner side of the bracket 164. A square groove is arranged on the surface of the roller 165. 166, an elastic rope 167 is arranged inside the square groove 166, and a resistance block 168 is slidably connected inside the square groove 166 through the elastic rope 167. The outer wall of the roller 165 is closely fitted with the inner wall of the buffer groove 161 in the initial state, and the resistance block 168 is completely inside the square groove 166 in the initial state. When the buffer block 163 moves in the buffer groove 161, the roller 165 and the inner wall of the buffer groove 161 will rotate, and when the resistance block 168 is completely inside the square groove 166, it will not affect the movement of the buffer block 163.

[0033] When in use, place a large arm plate 12 on the top of the bottom plate 7, and fix the large arm plate 12 by passing the bolt through the positioning hole 13 on the large arm plate 12 and rotating it into the threaded hole 9 on the top of the bottom plate 7. Use the same operation to fix the other large arm plate 12 to the bottom of the top plate 11, and place the cross beam 14 on the top of the bottom plate 7. When the cross beam 14 needs to be clamped and positioned, press the rotating rod 151 to the left, and the rotating rod 151 moves to the left to drive the moving block 153 to move to the left. The return spring 154 is squeezed and gradually tightened, and the moving block 153 moves to the left to drive the block body 158 to move to the left. The ball 159 contacts the long groove 152 to roll and reduce friction, and the block body 158 moves to the left under the action of the elastic force of the compression spring 157. The inclined surface of the embedding groove 1551 slides into the embedding groove 1551 and moves to the leftmost end of the embedding groove 1551. At this time, the block 158 squeezes the squeezing block 1554 to make it move to the left. The squeezing block 1554 moves to the left and drives the striker 1555 to hit the bell 1556 to make a sound to remind the operator to directly rotate the rotating rod 151. At this time, when the rotating rod 151 is rotated, the two-way threaded rod 2 is driven to rotate through the cooperation of the block 158 and the embedding groove 1551. The rotation of the two-way threaded rod 2 drives the slider 3 to move toward the direction of the beam 14. The movement of the slider 3 toward the direction of the beam 14 drives the support plate 4, the cross bar 5 and the clamping block 6 to move toward the direction of the beam 14. The beam 14 is clamped and positioned by the two clamping blocks 6. When the rotating rod 151 is released, the reset spring 154 will rebound and drive the moving block 153, the block 158 and the rotating rod 151 to move rightward and restore, the block 158 slides out along the inclined surface of the embedded groove 1551, and the block 158 is pressed back into the groove 156. At this time, when the rotating rod 151 is rotated, the two-way threaded rod 2 will no longer be driven to rotate, so as to prevent the two-way threaded rod 2 from rotating due to accidental touch, causing the positioning deviation of the clamping block 6, affecting the welding accuracy, and then the electric welding equipment can be turned on to weld the cross beam 14 and the big arm plate 12 at the bottom, and finally the hydraulic cylinder 10 is turned on to drive the top plate 11 to move downward so that the top big arm plate 12 is fitted with the top of the cross beam 14, and the electric welding equipment is turned on again to weld the cross beam 14 and the top big arm plate 12 to complete the welding work, and when the clamping block 6 moves to the cross beam 14 When the crossbeam 14 is clamped and positioned in the direction of movement, the buffer block 163 will first contact the crossbeam 14. At this time, the buffer block 163 is subjected to the force to move into the buffer groove 161, and the buffer spring 162 will absorb the impact force and gradually tighten. When the buffer block 163 is subjected to a large force and moves faster into the buffer groove 161, the roller 165 rotates faster by friction with the inner wall of the buffer groove 161. At this time, the centrifugal force generated by the roller 165 will throw the resistance block 168 out and contact the inner wall of the buffer groove 161 to generate resistance. The buffer spring 162 absorbs the impact force and the resistance generated by the contact between the resistance block 168 and the inner wall of the buffer groove 161 cooperates to play a buffering role, thereby preventing the clamping block 6 from moving too fast and causing a large impact force on the crossbeam 14 to damage the crossbeam 14.

[0034] See also Figure 1-11 On the basis of the above embodiment, in another embodiment of the present invention, the over-clamping prevention mechanism 17 includes an air pressure chamber 171 and a tooth block plate 177. The air pressure chamber 171 is fixedly connected to the inside of the cross bar 5. An air bag 172 is arranged at one end of the air pressure chamber 171. The other two ends of the air pressure chamber 171 are piston-slidingly connected with push rods 173. The air bag 172 is close to the buffer block 163 in the initial state, and the air bag 172 is in an expanded state in the initial state. When the buffer block 163 moves in the direction of the buffer spring 162, it will squeeze the air bag 172. The air pressure inside the air bag 172 will enter the air pressure chamber 171 and push The push rods 173 at the other two ends move downward, and the end of the push rod 173 away from the air pressure chamber 171 is fixedly connected to a slide 174, and a telescopic spring 175 is arranged inside the slide 174. The interior of the slide 174 is slidably connected with an arc block 176 through the telescopic spring 175. The tooth block plate 177 is fixedly connected to the top of the base 1, and the arc block 176 is located above the tooth block plate 177. The depth inside the slide 174 is greater than the length of the arc block 176. When the arc block 176 moves downward, it will be stuck between the tooth blocks on the tooth block plate 177. When the arc surface of the arc block 176 is squeezed, it can be completely retracted into the interior of the slide 174.

[0035] When in use, when the buffer block 163 moves in the direction of the buffer spring 162 so that the buffer spring 162 is gradually tightened, the buffer block 163 will squeeze the air bag 172, and the air pressure inside the air bag 172 will enter the air pressure chamber 171 to push the push rods 173 at the other two ends to move downward, and the downward movement of the push rod 173 will drive the slide cylinder 174 to move downward, and the downward movement of the slide cylinder 174 will drive the arc block 176 to move downward and get stuck between the tooth blocks on the tooth block plate 177. At this time, the straight surface of the arc block 176 fits with the tooth block so that it can no longer move in the direction of the cross beam 14, thereby making the clamping block 6 unable to move in the direction of the cross beam 14, and the bidirectional threaded rod 2 also becomes difficult to rotate. When the cross beam 14 needs to be loosened, the bidirectional threaded rod 2 The rod 2 reverses, and the clamping block 6 moves away from the beam 14. At this time, the arc surface of the arc block 176 and the tooth block are squeezed and gradually retracted into the slide 174, which will not affect the clamping block 6 leaving the beam 14. Then the buffer block 163 gradually leaves the air bag 172, and the air bag 172 gradually rebounds and the air pressure returns to the air bag 172. At this time, the air pressure in the air pressure chamber 171 drives the push rod 173 and the slide 174 to move upward, and the arc block 176 also moves upward and leaves the tooth block of the tooth block plate 177 to complete the recovery. After the clamping block 6 clamps the beam 14, it cannot continue to move toward the beam 14, which effectively prevents the beam 14 from being squeezed too much and causing deformation. The bidirectional threaded rod 2 will not be affected when it reverses and drives the clamping block 6 to leave the beam 14.

[0036] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A loader automatic welding device, comprising a base (1) and a crossbeam (14), characterized in that: The base (1) is rotatably connected to a bidirectional threaded rod (2) inside, the base (1) is slidably connected to a slider (3) inside, the slider (3) is threadedly connected to the bidirectional threaded rod (2), the top of the slider (3) is fixedly connected to a support plate (4), the side of the support plate (4) is penetrated and fixedly connected to a cross bar (5), the side of the cross bar (5) is fixedly connected to a clamping block (6), the top of the base (1) is fixedly connected to a bottom plate (7), the top of the bottom plate (7) is provided with a hydraulic cylinder (10), the hydraulic cylinder (10) The output end is fixedly connected with a top plate (11), the top of the bottom plate (7) and the bottom of the top plate (11) are both provided with a large arm plate (12), the top of the bottom plate (7) and the bottom of the top plate (11) are provided with a threaded hole (9), the top of the large arm plate (12) is provided with a positioning hole (13), the side of the large arm plate (12) and the bidirectional threaded rod (2) are provided with an anti-mistaken touch rotation mechanism (15), the side of the clamping block (6) is provided with a buffer mechanism (16), and the interior of the cross bar (5) is provided with an anti-excessive clamping mechanism (17); The anti-mis-touch rotation mechanism (15) comprises a rotating rod (151) and a long slot (152), wherein the long slot (152) is provided inside the bidirectional threaded rod (2), the rotating rod (151) penetrates the side of the long slot (152), one end of the rotating rod (151) close to the inside of the long slot (152) is fixedly connected with a moving block (153), a return spring (154) is fixedly connected to the inner wall of the long slot (152), an embedded slot assembly (155) is provided on the inner wall of the long slot (152), a groove (156) is provided on the surface of the moving block (153), a compression spring (157) is provided inside the groove (156), a block (158) is slidably connected inside the groove (156) via the compression spring (157), and a ball (159) is provided at one end of the block (158) away from the compression spring (157); The embedding slot assembly (155) comprises an embedding slot (1551), wherein the embedding slot (1551) is provided on the inner wall of the long slot (152), a sliding slot (1552) is provided on the side of the embedding slot (1551), an elastic spring (1553) and a bell (1556) are arranged inside the sliding slot (1552), an extrusion block (1554) is slidably connected to the inside of the sliding slot (1552) via the elastic spring (1553), and a striker (1555) is fixedly connected to one end of the extrusion block (1554) close to the elastic spring (1553); The buffer mechanism (16) comprises a buffer groove (161), the buffer groove (161) is provided on the side of the clamping block (6), a buffer spring (162) is arranged inside the buffer groove (161), a buffer block (163) is slidably connected inside the buffer groove (161) via the buffer spring (162), a bracket (164) is fixedly connected to one end of the buffer block (163) close to the buffer spring (162), a roller (165) is rotatably connected to the inner side of the bracket (164), a square groove (166) is provided on the surface of the roller (165), an elastic rope (167) is arranged inside the square groove (166), and a resistance block (168) is slidably connected inside the square groove (166) via the elastic rope (167); The anti-excessive clamping mechanism (17) includes an air pressure chamber (171) and a tooth block plate (177), wherein the air pressure chamber (171) is fixedly connected to the inside of the cross bar (5), an air bag (172) is arranged at one end of the air pressure chamber (171), and push rods (173) are piston-slidingly connected to the inside of the other two ends of the air pressure chamber (171), and the end of the push rod (173) away from the air pressure chamber (171) is fixedly connected to a slide cylinder (174), and a telescopic spring (175) is arranged inside the slide cylinder (174), and an arc block (176) is slidably connected to the inside of the slide cylinder (174) through the telescopic spring (175), and the tooth block plate (177) is fixedly connected to the top of the base (1).

2. The automatic welding equipment for a loader according to claim 1, characterized in that: In the initial state, one end of the return spring (154) away from the inner wall of the long slot (152) contacts one end of the moving block (153) away from the rotating rod (151).

3. The automatic welding equipment for a loader according to claim 2, characterized in that: In the initial state, one end of the ball (159) away from the block (158) is in close contact with the inner wall of the long groove (152), and the compression spring (157) is in a tensioned state in the initial state.

4. The automatic welding equipment for a loader according to claim 3, characterized in that: The overall shape of the embedding grooves (1551) is a right-angled trapezoid, and the number of the embedding grooves (1551) is set to ten groups.

5. The automatic welding equipment for a loader according to claim 4, characterized in that: In the initial state, the outer wall of the roller (165) is tightly fitted with the inner wall of the buffer groove (161), and the resistance block (168) is completely located inside the square groove (166) in the initial state.

6. The loader automatic welding equipment according to claim 5, characterized in that: In an initial state, the airbag (172) is close to the buffer block (163), and in an expanded state.

7. The loader automatic welding equipment according to claim 6, characterized in that: The arc block (176) is located above the tooth block plate (177), and the depth inside the slide cylinder (174) is greater than the length of the arc block (176).

Images