Metal electrical meter case assembly welding machine

Abstract

This invention belongs to the field of electric meter casing processing technology, specifically a metal electric meter casing assembly and welding machine. It includes a welding machine body, a cylinder mounted on the top of one side of the welding machine body, a welding head mounted on the output rod end of the cylinder, a support platform fixed to the bottom of one side of the welding machine body, a connecting rod mounted on the top of the support platform, a support frame fixed to one side of the support platform, an electric telescopic rod mounted on the top of the support frame, a connecting frame at the output shaft end of the electric telescopic rod, first connecting plates fixed to both the top and bottom of the connecting frame, clamping parts on both sides of the first connecting plates, two second connecting plates fixed between the connecting frame and the first connecting plates, and side positioning plates fixed to both sides of the second connecting plates. The electric meter casing can be fixed by the second connecting plates and the side positioning plates, and the mounting ears can be positioned by the first connecting plates and the clamping parts. During welding, the electric telescopic rod pushes the electric meter casing and mounting ears to move, allowing for faster welding.

Description

Technical Field

[0001] This invention belongs to the field of electric meter casing processing technology, specifically a metal electric meter casing assembly and welding machine. Background Technology

[0002] Electricity is an indispensable energy source in life. After being generated by power generation facilities, electricity is transmitted to substations via cables. Substations then transmit the electricity to transformers near users via cables, and finally distribute it to users' homes via cables. When electricity is used, electricity meters are installed to record the amount of electricity used.

[0003] When using electricity meters, in order to prevent damage from impacts by external organisms or to prevent electric shocks from external organisms, it is necessary to install a metal meter casing for protection. The metal meter casing protects the meter from damage caused by external organisms. During the production of the metal meter casing, parts need to be assembled with the main casing. The assembly process requires fixing by welding. At this time, a welding machine is used to weld the parts to the surface of the main casing, thereby realizing the assembly between them.

[0004] A patent application with publication number CN119188043A discloses a welding device and welding method for processing the metal shell of a controller. Through a fixing mechanism and a positioning component, when the hydraulic cylinder drives the support plate to move downward, the hinge plate will drive the hinge rod to move vertically downward on the slide rod, so that the fixing rod on the hinge rod and the L-shaped positioning plate move downward synchronously. This allows the L-shaped positioning plate to press and fix the metal shell plate on the top surface of the fixing frame, preventing the two metal shell plates from misaligning during welding and improving the stability of the welding process.

[0005] Currently, during the welding process of metal meter housings and mounting ears, the mounting ears need to be placed in the corresponding positions of the main housing of the meter housing, and then welded together using the welding head of a welding machine to fix them in place. During this process, it is necessary to maintain their stability. Also, because welding generates heat, workers cannot directly use their hands to fix them, so they need to be pre-fixed during the welding process. The installation and disassembly process is relatively time-consuming.

[0006] Therefore, the present invention provides a metal meter casing assembly and welding machine. Summary of the Invention

[0007] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0008] The technical solution adopted by the present invention to solve its technical problem is as follows: The present invention provides a metal electric meter casing assembly and welding machine, comprising a welding machine body, a cylinder installed at the top of one side of the welding machine body, a welding head installed at the end of the output rod of the cylinder, a support platform fixed at the bottom of one side of the welding machine body, an electric connecting rod installed at the top of the support platform, a support frame fixed on one side of the support platform, an electric telescopic rod installed at the top of the support frame, a connecting frame provided at the end of the output shaft of the electric telescopic rod, a first connecting plate fixed at both the top and bottom of the connecting frame, clamping parts provided on both sides of the first connecting plate, the clamping parts being able to clamp mounting ears, two second connecting plates fixed between the first connecting plates of the connecting frame, side positioning plates fixed on both sides of the second connecting plates, the outer side of the side positioning plates being able to place the electric meter casing, and the connecting frame being connected to the end of the output shaft of the electric telescopic rod via a steering assembly; When the electric telescopic rod pushes the connecting frame to extend to its maximum distance, the steering component drives the connecting frame to rotate 180° as a whole.

[0009] Preferably, the steering assembly includes a connecting shell fixed to the end of the output shaft of the electric telescopic rod, a connecting column rotatably connected to one side of the connecting shell, a connecting column fixedly connected to a connecting frame at the other end, a gear disposed above the connecting shell, and a toothed plate fixed to the other side of the support platform, the toothed plate being capable of meshing with the gear.

[0010] Preferably, a worm gear is rotatably connected inside the connecting shell, one end of the worm gear is fixedly connected to the connecting column, and a worm is rotatably connected to one side inside the connecting shell. The worm meshes with one side of the connecting shell, and the top end of the worm is connected to a gear through a ratchet structure. Specifically, when the electric telescopic rod pushes the connecting shell to engage the gear with the toothed plate, the ratchet and ratchet teeth connect the gear with the worm gear. When the electric telescopic rod pulls the connecting shell to engage the gear with the toothed plate, the ratchet and ratchet teeth disconnect the gear from the worm gear.

[0011] Preferably, a guide slope is provided at the connection between the side positioning plate and the second connecting plate, and the distance between the outer sides of the two side positioning plates can match the inner diameter of the meter housing.

[0012] Preferably, two grounding blocks are provided on the side of the second connecting plate near the first connecting plate. A lifting rod is fixed on the side of the grounding block near the second connecting plate. The lifting rod passes through the interior of the second connecting plate, and the other end of the lifting rod can be connected to the power supply rod.

[0013] Preferably, one end of the power receiving pole is fixed with a fixing plate, and the other side of the fixing plate is fixed with an elastic metal sheet. The end of the lifting pole can slide in the groove of the elastic metal sheet, and the elastic metal sheet can be bent and deformed towards the fixing plate.

[0014] Preferably, a second spring is sleeved on the outside of the lifting rod, the top end of the second spring is fixedly connected to the ground block, a lifting plate is rotatably connected to one side of the side positioning plate, one side of the lifting plate is inserted into the outside of the lifting rod, and the bottom end of the second spring is fixedly connected to the lifting plate.

[0015] Preferably, a push plate is rotatably connected to the side of the side positioning plate away from the guide slope, and a rotating plate is fixed to both the top and bottom of the push plate, and a wedge block is fixed to the bottom of the rotating plate; When the side of the second connecting plate closest to the guide slope is pressed against the inner wall of the meter housing, the two sides of the meter housing push the push plate to rotate 60°.

[0016] Preferably, an elastic plate is provided on one side of the clamping part, and the elastic plate is inclined inward towards the clamping part.

[0017] Preferably, a groove is provided on the side of the clamping part near the first connecting plate, and two guide rods are fixed inside the groove. A slide plate is fixed on the side of the first connecting plate near the clamping part. The slide plate is slidably connected inside the groove. The guide rods are inserted inside the slide plate. A first spring is sleeved on the outside of the guide rods. The bottom end of the first spring is fixedly connected to the slide plate.

[0018] The beneficial effects of this invention are as follows: 1. The metal meter housing assembly and welding machine of the present invention can fix the meter housing through the second connecting plate and the side positioning plate, and can position the mounting ear through the first connecting plate and the clamping part. During welding, the electric telescopic rod pushes the meter housing and the mounting ear to move, which can make the welding faster.

[0019] 2. The metal meter casing assembly and welding machine of the present invention, by setting multiple ground blocks and energizing only the corresponding ground blocks during welding, concentrates the heat at the welding position, resulting in better welding effect. Attached Figure Description

[0020] The invention will now be further described with reference to the accompanying drawings.

[0021] Figure 1 This is a schematic diagram of the meter casing loading process in this invention; Figure 2 This is a schematic diagram of the structure of the meter casing before loading in this invention; Figure 3 This is a schematic diagram of the connecting frame structure in this invention; Figure 4 This is a schematic diagram of the lifting plate structure in this invention; Figure 5 This is a schematic diagram of the rotating plate structure in this invention; Figure 6 This is a schematic diagram of the clamping part structure in this invention; Figure 7 This is a schematic diagram of the elastic metal sheet structure in this invention; Figure 8 This is a schematic diagram of the internal structure of the connecting shell in this invention.

[0022] In the diagram: 1. Welding machine body; 11. Support platform; 111. Electric connection pole; 112. Toothed plate; 113. Support frame; 114. Fixing plate; 115. Elastic metal sheet; 12. Cylinder; 121. Welding head; 2. Electric telescopic rod; 21. Connecting frame; 211. First connecting plate; 212. Second connecting plate; 213. Side positioning plate; 214. Guide slope; 215. Slide plate; 216. Connecting column; 217. Worm gear; 218. Connecting shell; 219. Worm; 220. Gear; 22. Clamping part; 221. Elastic plate; 222. Guide rod; 223. First spring; 23. Grounding block; 231. Second spring; 232. Lifting rod; 233. Lifting plate; 234. Rotating plate; 235. Wedge block; 236. Push plate; 3. Meter housing; 31. Mounting ear. Detailed Implementation

[0023] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0024] like Figures 1 to 3 As shown in the embodiment of the present invention, a metal electric meter housing assembly welding machine includes a welding machine body 1. A cylinder 12 is installed at the top of one side of the welding machine body 1. A welding head 121 is installed at the end of the output rod of the cylinder 12. A support platform 11 is fixed at the bottom of one side of the welding machine body 1. A connecting rod 111 is installed at the top of the support platform 11. A support frame 113 is fixed on one side of the support platform 11. An electric telescopic rod 2 is installed at the top of the support frame 113. A connecting frame 21 is provided at the end of the output shaft of the electric telescopic rod 2. A first connecting plate 211 is fixed at both the top and bottom of the connecting frame 21. Clamping parts 22 are provided on both sides of the first connecting plate 211. The clamping parts 22 can clamp the mounting ears 31. Two second connecting plates 212 are fixed between the first connecting plates 211. Side positioning plates 213 are fixed on both sides of the second connecting plates 212. The electric meter housing 3 can be placed on the outside of the side positioning plates 213. The connecting frame 21 and the end of the output shaft of the electric telescopic rod 2 are connected by a steering assembly. When welding the metal meter casing, the electric telescopic rod 2 is initially in a shortened state, as can be referenced. Figure 2In this state, the meter housing 3 is installed on the outside of the second connecting plate 212, and the side positioning plates 213 on both sides are supported on the inner wall of the meter housing 3 to position the meter housing 3 while keeping it between the two first connecting plates 211. Then, the mounting ears 31 are installed inside the clamping part 22, for reference. Figure 1 In the first state, the electric telescopic rod 2 is activated, pushing the connecting frame 21 through the steering assembly. The connecting frame 21, through its overall structure, moves the meter housing 3 and the mounting ear 31 towards the support platform 11. When the first mounting ear 31 moves directly below the welding head 121, the electric telescopic rod 2 stops pushing. At this time, the connecting rod 111 connects to the meter housing 3. Then, the cylinder 12 pushes the welding head 121 downwards, and the welding head 121 is simultaneously energized. When the welding head 121 contacts the mounting ear 31, the connection between the mounting ear 31 and the meter housing 3 is energized and heated, causing them to weld together. After welding one mounting ear 31, the cylinder 12 pulls the welding head 121 up, separating the welding head 121 from the mounting ear 31. Then, the electric telescopic rod 2 continues to push the connecting frame 21, moving the meter housing 3 and the mounting ear 31. When the second mounting ear 31 moves directly below the welding head 121, stop pushing the electric telescopic rod 2. Then, repeat the welding process as described above. After welding, the output shaft of the electric telescopic rod 2 extends to its maximum length and pushes the connecting frame 21 to its farthest distance. At this time, the steering component drives the connecting frame 21 to rotate 180°, which allows the connecting frame 21 to rotate the unwelded side of the meter housing 3 and the mounting ear 31 to the top. Then, the electric telescopic rod 2 pulls the connecting frame 21 to move the meter housing 3 and the mounting ear 31 towards the welding head 121. After welding the two mounting ears 31 according to the above process, the welded metal meter housing can be removed from one side of the connecting frame 21. This method can quickly assemble the meter housing 3 and the mounting ear 31 together by welding, resulting in higher processing efficiency.

[0025] like Figures 1 to 8 As shown, the steering assembly includes a connecting shell 218 fixed to the end of the output shaft of the electric telescopic rod 2. A connecting column 216 is rotatably connected to one side of the connecting shell 218, and the other end of the connecting column 216 is fixedly connected to the connecting frame 21. A gear 220 is provided above the connecting shell 218, and a toothed plate 112 is fixed to the other side of the support platform 11. The toothed plate 112 can mesh with the gear 220. When the output shaft of the electric telescopic rod 2 pushes the connecting shell 218, the connecting column 216 drives the connecting frame 21 to move. When the connecting shell 218 drives the gear 220 to the position of the toothed plate 112, the toothed plate 112 drives the gear 220 to rotate, driving the connecting column 216 to drive the connecting frame 21 to rotate 180°, thereby causing the connecting frame 21 to drive the meter shell 3 and the mounting ear 31 to rotate, which makes subsequent welding easier.

[0026] like Figures 1 to 8 As shown, a worm gear 217 is rotatably connected inside the connecting shell 218. One end of the worm gear 217 is fixedly connected to the connecting post 216. A worm 219 is rotatably connected to one side inside the connecting shell 218. The worm 219 is meshed with one side of the connecting shell 218. The top end of the worm 219 is connected to the gear 220 through a ratchet structure. When the output shaft of the electric telescopic rod 2 pushes the connecting shell 218 to move towards the toothed plate 112, the gear 220 contacts the toothed plate 112. At this time, the ratchet structure causes the gear 220 to drive the worm 219 to rotate. The worm 219 then drives the worm wheel 217 to rotate, which in turn drives the connecting column 216 to rotate, allowing the connecting frame 21 to rotate 180°. When the electric telescopic rod 2 pulls the connecting shell 218 to move in the opposite direction, the ratchet structure of the gear 220 and the worm 219 separates. At this time, the worm wheel 217 remains stationary. Simultaneously, due to the structural characteristics of the worm wheel 217 and the worm 219, the angle of the connecting column 216 can be automatically locked, making the mounting ear 31 more stable when it is pressed down for welding.

[0027] like Figures 1 to 3 As shown, a guide slope 214 is provided at the connection between the side positioning plate 213 and the second connecting plate 212, and the distance between the outer sides of the two side positioning plates 213 can match the inner diameter of the meter housing 3. When the meter housing 3 is installed on the outside of the second connecting plate 212, the guide slope 214 guides the two sides of the meter housing 3, so that the two sides inside the meter housing 3 can automatically stick to the surface of the side positioning plate 213. At the same time, the distance on the outside of the side positioning plate 213 matches the inner diameter of the meter housing 3, so that the side positioning plate 213 can position the meter housing 3.

[0028] like Figures 1 to 5 As shown, two grounding blocks 23 are provided on the side of the second connecting plate 212 near the first connecting plate 211. A lifting rod 232 is fixed on the side of the grounding block 23 near the second connecting plate 212. The lifting rod 232 passes through the interior of the second connecting plate 212, and the other end of the lifting rod 232 can be connected to the power connection rod 111. To ensure that heat is concentrated during welding, two grounding blocks 23 are respectively provided on both sides of the second connecting plate 212. When the mounting ear 31 moves below the welding head 121, the corresponding lifting rod 232 contacts the connecting rod 111. At this time, the lifting rod 232 conducts electricity to the grounding block 23. Each time the grounding block 23 contacts the inner side of the meter housing 3, the contact area is small, which can effectively concentrate heat on the welding point and achieve better welding results. Except for the grounding block 23, the lifting rod 232, and the elastic element, one side of the connecting frame 21 is made of non-conductive material to avoid affecting the welding effect during the welding process.

[0029] like Figures 1 to 7As shown, a fixing plate 114 is fixed to one end of the connecting pole 111, and an elastic metal sheet 115 is fixed to the other side of the fixing plate 114. The end of the lifting rod 232 can slide in the groove of the elastic metal sheet 115, and the elastic metal sheet 115 can be bent and deformed towards the fixing plate 114. When the end of the lifting rod 232 needs to be connected to the power receiving rod 111, since the lifting rod 232 needs to move, a fixing plate 114 and an elastic metal sheet 115 are provided at the end of the power receiving rod 111. When the lifting rod 232 passes over the surface of the elastic metal sheet 115, it will squeeze and deform the elastic metal sheet 115, so that the elastic metal sheet 115 can adaptively connect with the lifting rod 232, maintaining a tight connection between the lifting rod 232 and the power receiving rod 111.

[0030] like Figures 1 to 5 As shown, a second spring 231 is sleeved on the outside of the lifting rod 232. The top of the second spring 231 is fixedly connected to the ground block 23. A lifting plate 233 is rotatably connected to one side of the side positioning plate 213. One side of the lifting plate 233 is inserted into the outside of the lifting rod 232. The bottom of the second spring 231 is fixedly connected to the lifting plate 233. When fixing the meter housing 3 to the outside of the second connecting plate 212, the ground block 23 is in a fixed position before installation to facilitate installation. At this time, the ground block 23 is not tightly attached to the inner wall of the meter housing 3. After the meter housing 3 is fitted onto the outside of the second connecting plate 212, the lifting plate 233 is pressed down. The lifting plate 233 pushes the second spring 231 to press tightly. The second spring 231 pushes the ground block 23 to be tightly attached to the meter housing 3. At this time, the meter housing 3 can be automatically positioned to keep the inner walls of the meter housing 3 at the top and bottom the same as the two second connecting plates 212. At the same time, the ground block 23 is tightly attached to the inner wall of the meter housing 3, which can make the heat more concentrated during welding.

[0031] like Figures 1 to 5 As shown, a push plate 236 is rotatably connected to the side of the side positioning plate 213 away from the guide slope 214. A rotating plate 234 is fixed to both the top and bottom of the push plate 236, and a wedge block 235 is fixed to the bottom of the rotating plate 234. When the meter housing 3 is pushed tightly towards the side positioning plate 213, the edge of the meter housing 3 will contact the push plate 236. In the initial state, the end of the wedge block 235 contacts the top of the lifting plate 233. (Refer to...) Figure 4 , Figure 5When the meter housing 3 is pushed to contact the push plate 236, the push plate 236 rotates 60°, which drives the rotating plate 234 to rotate 60°. At this time, the rotating plate 234 drives the wedge block 235 to rotate in the direction of the lifting plate 233, which can make the lifting plate 233 be pressed downward. At this time, the second spring 231 can be pressed, so that the ground block 23 is close to the inner wall of the meter housing 3, making it easier to weld. When the meter housing 3 needs to be removed, the push plates 236 on both sides are bent in the opposite direction. At this time, the second spring 231 is released from the ground block 23, and the push plate 236 pushes the meter housing 3 from both sides of the side positioning plate 213, making it easier to remove the welded meter housing 3.

[0032] like Figures 1 to 6 As shown, an elastic plate 221 is provided on one side of the clamping part 22, and the elastic plate 221 is inclined inward towards the clamping part 22. When the mounting ear 31 is installed inside the clamping part 22, the elastic plate 221 tilts inward toward the clamping part 22. At this time, the elastic plate 221 is bent to one side and the mounting ear 31 is placed inside the clamping part 22. Then, the elastic plate 221 is released so that the elasticity of the elastic plate 221 clamps the mounting ear 31 inside the clamping part 22, thereby completing the quick installation of the mounting ear 31.

[0033] like Figures 1 to 6 As shown, a groove is provided on the side of the clamping part 22 near the first connecting plate 211. Two guide rods 222 are fixed inside the groove. A slide plate 215 is fixed on the side of the first connecting plate 211 near the clamping part 22. The slide plate 215 is slidably connected inside the groove. The guide rods 222 are inserted inside the slide plate 215. A first spring 223 is sleeved on the outside of the guide rods 222. The bottom end of the first spring 223 is fixedly connected to the slide plate 215. During the welding process, the welding head 121 will press the mounting ear 31 downward. In order to ensure the accurate landing point of the mounting ear 31, the clamping part 22 is set to slide up and down. When the welding head 121 presses down on the mounting ear 31, the clamping part 22 moves downward as a whole through the clamping of the elastic plate 221. The sliding plate 215 slides outside the guide rod 222. At the same time, the first spring 223 is squeezed. When the welded meter shell 3 and the mounting ear 31 are removed, the elastic force of the first spring 223 pushes the clamping part 22 to automatically reset, which can make the welding position of the mounting ear 31 more accurate.

[0034] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

1. A metal meter casing assembly and welding machine, characterized in that: The device includes a welding machine body. A cylinder is mounted on the top of one side of the welding machine body, and a welding head is mounted on the end of the output rod of the cylinder. A support platform is fixed to the bottom of one side of the welding machine body. An electric connecting rod is mounted on the top of the support platform. A support frame is fixed to one side of the support platform. An electric telescopic rod is mounted on the top of the support frame. A connecting frame is provided at the end of the output shaft of the electric telescopic rod. A first connecting plate is fixed to both the top and bottom of the connecting frame. Clamping parts are provided on both sides of the first connecting plate. The clamping parts can clamp the mounting ears. Two second connecting plates are fixed between the first connecting plates of the connecting frame. Side positioning plates are fixed to both sides of the second connecting plates. A meter housing can be placed on the outer side of the side positioning plates. The connecting frame is connected to the end of the output shaft of the electric telescopic rod through a steering assembly. When the electric telescopic rod pushes the connecting frame to extend to its maximum distance, the steering component drives the connecting frame to rotate 180° as a whole.

2. The metal meter casing assembly and welding machine according to claim 1, characterized in that: The steering assembly includes a connecting shell fixed to the end of the output shaft of the electric telescopic rod. A connecting column is rotatably connected to one side of the connecting shell, and the other end of the connecting column is fixedly connected to the connecting frame. A gear is provided above the connecting shell, and a toothed plate is fixed to the other side of the support platform. The toothed plate can mesh with the gear.

3. The metal meter casing assembly and welding machine according to claim 2, characterized in that: A worm gear is rotatably connected inside the connecting shell. One end of the worm gear is fixedly connected to the connecting column. A worm is rotatably connected to one side inside the connecting shell. The worm meshes with one side of the connecting shell. The top end of the worm is connected to a gear through a ratchet structure. Specifically, when the electric telescopic rod pushes the connecting shell to engage the gear with the toothed plate, the ratchet and ratchet teeth connect the gear with the worm gear. When the electric telescopic rod pulls the connecting shell to engage the gear with the toothed plate, the ratchet and ratchet teeth disconnect the gear from the worm gear.

4. The metal meter casing assembly and welding machine according to claim 1, characterized in that: A guide slope is provided at the connection between the side positioning plate and the second connecting plate, and the distance between the outer sides of the two side positioning plates can match the inner diameter of the meter casing.

5. The metal meter casing assembly and welding machine according to claim 4, characterized in that: Two grounding blocks are provided on the side of the second connecting plate near the first connecting plate. A lifting rod is fixed on the side of the grounding block near the second connecting plate. The lifting rod passes through the interior of the second connecting plate, and the other end of the lifting rod can be connected to the power supply rod.

6. The metal meter casing assembly and welding machine according to claim 5, characterized in that: One end of the power receiving pole is fixed with a fixing plate, and the other side of the fixing plate is fixed with an elastic metal sheet. The end of the lifting rod can slide in the groove of the elastic metal sheet, and the elastic metal sheet can be bent and deformed towards the fixing plate.

7. The metal meter casing assembly and welding machine according to claim 5, characterized in that: A second spring is sleeved on the outside of the lifting rod. The top end of the second spring is fixedly connected to the ground block. A lifting plate is rotatably connected to one side of the side positioning plate. One side of the lifting plate is inserted into the outside of the lifting rod. The bottom end of the second spring is fixedly connected to the lifting plate.

8. A metal meter casing assembly and welding machine according to claim 7, characterized in that: The side positioning plate is rotatably connected to a push plate on the side away from the guide slope. The top and bottom ends of the push plate are fixed with rotating plates, and the bottom end of the rotating plate is fixed with a wedge block. When the side of the second connecting plate closest to the guide slope is pressed against the inner wall of the meter housing, the two sides of the meter housing push the push plate to rotate 60°.

9. A metal meter casing assembly and welding machine according to claim 1, characterized in that: An elastic plate is provided on one side of the clamping part, and the elastic plate is inclined inward towards the clamping part.

10. A metal meter housing assembly and welding machine according to claim 9, characterized in that: A groove is provided on the side of the clamping part near the first connecting plate. Two guide rods are fixed inside the groove. A slide plate is fixed on the side of the first connecting plate near the clamping part. The slide plate is slidably connected inside the groove. The guide rods are inserted inside the slide plate. A first spring is sleeved on the outside of the guide rods. The bottom end of the first spring is fixedly connected to the slide plate.

Images