Welding tool for main platform of small excavator

Abstract

The utility model discloses a welding tool for a main platform of a small excavator, and relates to the technical field of platform welding tools. The device comprises a main frame mechanism, the main frame mechanism comprises a supporting seat, a lifting assembly is arranged at the top of the supporting seat, a workbench is arranged at the top of the lifting assembly, a clamping assembly is arranged at the top of the workbench and comprises a first motor, the top of the first motor is fixedly connected with the bottom of the workbench, and the top of the first motor is fixedly connected with the bottom of the workbench. A gear is arranged in the workbench. The clamping assembly is arranged, specifically, the first motor is started to drive the gear to rotate, the racks can move mutually through rotation of the gear, when the racks move mutually, the clamping plates can be driven to get close to each other and clamp and fix a workpiece, and after the workpiece is clamped and fixed, a worker welds the workpiece. And the workpiece is prevented from moving under the action of force during welding, the welding effect is greatly improved, meanwhile, the welding accuracy is greatly improved, and the product yield is greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of platform welding tooling, in particular to a welding tooling for a main platform of a small excavator. Background Art

[0002] The small excavator platform welding tool is a device for welding the excavator platform. There are many types of small excavator chassis, and the welding requirements are high. When using a general excavator welding platform, the workpiece is usually placed directly on the welding platform for welding without fixed clamping. Therefore, the workpiece will move when subjected to external force, which greatly reduces the welding effect. At the same time, it also greatly reduces the welding accuracy and the product yield. For this reason, a small excavator main platform welding tool is proposed. Utility Model Content

[0003] The purpose of the present utility model is to provide a small excavator main platform welding tool, by setting a clamping component, specifically, starting a motor to drive the gear to rotate, the racks will move relative to each other through the gear rotation, when the racks move relative to each other, they will drive the clamps to approach each other and clamp the workpiece, after the workpiece is clamped and fixed, the staff will weld it, solving the problem that the small excavator platform welding tool is a device for welding the excavator platform. There are many kinds of chassis of small excavators, and the welding requirements are high. When the general excavator welding platform is in use, the workpiece is usually placed directly on the welding platform for welding without fixed clamping. Therefore, the workpiece will move when subjected to external force, which greatly reduces the welding effect, and also greatly reduces the welding accuracy and the yield rate of the product.

[0004] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0005] The utility model is a welding tool for the main platform of a small excavator, comprising a main frame mechanism, the main frame mechanism comprising a support seat, a lifting assembly being provided on the top of the support seat, a workbench being provided on the top of the lifting assembly, a clamping assembly being provided on the top of the workbench, the clamping assembly comprising a motor 1, the top of the motor 1 being fixedly connected to the bottom of the workbench, a gear being provided inside the workbench, the front and back surfaces of the outer surfaces of the gear being meshed and connected with racks, clamping plates being provided on the left and right sides of the top of the workbench, and when the motor 1 is started to drive the gear to rotate, the racks will move relative to each other through the rotation of the gear, and when the racks move relative to each other, the clamping plates will be driven to approach each other and clamp and fix the workpiece, and after the workpiece is clamped and fixed, the staff will weld it.

[0006] Furthermore, a rotating shaft 1 is fixedly connected to the interior of the gear, the bottom of the outer surface of the rotating shaft 1 is rotatably connected to the bottom of the interior of the workbench, the top output end of the motor 1 is fixedly connected to the bottom of the rotating shaft 1 through a coupling, the front and back of the interior of the workbench are fixedly connected to slide rail 2, and the left and right sides of the top back of the workbench are fixedly connected to lighting lamps. While working, the staff can turn on the lighting lamps for illumination, which greatly improves the visibility of the working environment and reduces the occurrence of work accidents.

[0007] Furthermore, the sides of the two racks that are away from each other are slidably connected to the side corresponding to the inside of the slide rail 2, the sides of the two racks that are away from each other are fixedly connected to a support rod, the sides of the outer surfaces of the two support rods that are away from each other are fixedly connected to a support block, the tops of the two support blocks are fixedly connected to the bottom of the splint, the front and back sides of the two support blocks are slidably connected to the inside of the workbench, the front and back sides of the top of the workbench are fixedly connected to slide rail 1, the front and back sides of the two splints are fixedly connected to rotating shaft 2, the outer surfaces of the four rotating shafts 2 are rotatably connected to wheels, the outer surfaces of the four wheels are in contact with the inside of slide rail 1, and when the splint moves, it will drive the wheels to slide inside slide rail 1, and slide rail 1 provides a certain guarantee for the horizontal movement of the splint.

[0008] Furthermore, the lifting assembly includes motor 2, the back of motor 2 is fixedly connected to the front of the support seat, a bidirectional threaded rod is provided on the left side inside the support seat, the front and back of the outer surface of the bidirectional threaded rod are rotatably connected to the front and back of the support seat, the back output end of motor 2 is fixedly connected to the front of the bidirectional threaded rod through a coupling, and the starting motor 2 drives the bidirectional threaded rod to rotate, and the rotation of the bidirectional threaded rod drives the limit bracket 1 and the limit bracket 2 to approach each other, and at the same time, the support rod 1 and the support rod 2 approach each other through the limit bracket 1 and the limit bracket 2, which will drive the limit bracket 3 and the limit bracket 4 to approach each other.

[0009] Furthermore, the front side of the outer surface of the bidirectional threaded rod is fixedly connected to a limit bracket 1, and there are two limit brackets 1. The outer surfaces of the two limit brackets 1 are both slidably connected to the front side of the inner part of the support seat, and the interiors of the two limit brackets 1 are rotatably connected to a support rod 2 through a pin shaft. The back side of the outer surface of the bidirectional threaded rod is threadedly connected to a limit bracket 2, and there are two limit brackets 2. The outer surfaces of the two limit brackets 2 are both slidably connected to the back side of the inner part of the support seat, and the interiors of the two limit brackets 2 are rotatably connected to a support rod 1 through a pin shaft. The workbench will move upward when the limit bracket 3 and the limit bracket 4 approach each other, and the movement of the workbench drives the workpiece to move together. The staff can adjust the height of the workpiece according to needs to avoid the situation where the welding platform needs to be replaced due to the different heights of the tooling during welding.

[0010] Furthermore, the tops of the two support rods 2 are rotatably connected to the limit bracket 4 through a pin shaft, and the tops of the two limit brackets 4 are fixedly connected to the left and right sides of the back side of the bottom of the workbench, and the tops of the two support rods 1 are rotatably connected to the limit bracket 3 through a pin shaft, and the tops of the two limit brackets 3 are fixedly connected to the left and right sides of the front side of the bottom of the support seat, and the right side of the support seat is fixedly connected with a sliding rod, and the front side of the outer surface of the sliding rod is slidably connected to the inside of the limit bracket 1 located on the right, and the back side of the outer surface of the sliding rod is slidably connected to the inside of the limit bracket 2 located on the right. When the two-way threaded rod rotates, it will drive the limit bracket 1 and the limit bracket 2 on the right side to slide on the outer surface of the sliding rod, and the sliding rod provides a certain guarantee for the horizontal rising movement of the workbench.

[0011] The utility model has the following beneficial effects:

[0012] 1. The utility model sets a clamping component, specifically, a starting motor drives the gear to rotate, and the racks move relative to each other through the rotation of the gear. When the racks move relative to each other, they drive the clamps to approach each other and clamp the workpiece. After the workpiece is clamped, the staff welds it to avoid the workpiece from being moved by the force during welding, which greatly improves the welding effect, and at the same time greatly improves the welding accuracy and the product yield.

[0013] 2. The utility model sets a lifting component, specifically, starts the second motor to drive the bidirectional threaded rod to rotate, and the rotation of the bidirectional threaded rod drives the support rod 1 and the support rod 2 to approach each other. Then the workbench will move upward due to the support rod 1 and the support rod 2 approaching each other. The movement of the workbench drives the workpiece to move together. The staff can adjust the height of the workpiece according to the needs, avoiding the situation of changing the welding platform due to the different heights of the tooling during welding, greatly improving the work progress, and also greatly reducing the workload of the staff.

[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the workbench of the utility model;

[0018] Figure 3 This is a schematic diagram of the overall structure of the gear of the utility model;

[0019] Figure 4 For this utility model Figure 3 A is an enlarged schematic diagram of the structure;

[0020] Figure 5 This is a schematic diagram of the cross-sectional structure of the support seat of the utility model.

[0021] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0022] 1. Main frame mechanism; 111. Support seat; 112. Workbench; 113. Slide rail 1; 114. Lighting lamp; 2. Clamping assembly; 211. Motor 1; 212. Clamping plate; 213. Rack; 214. Support rod; 215. Support block; 216. Slide rail 2; 217. Gear; 218. Rotating shaft 1; 219. Rotating shaft 2; 220. Wheel; 3. Lifting assembly; 311. Motor 2; 312. Limiting bracket 1; 313. Bidirectional threaded rod; 314. Limiting bracket 2; 315. Support rod 1; 316. Support rod 2; 317. Limiting bracket 3; 318. Limiting bracket 4; 319. Slide rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1-5As shown, the utility model is a welding tool for the main platform of a small excavator, including a main frame mechanism 1, the main frame mechanism 1 includes a support base 111, a lifting assembly 3 is provided on the top of the support base 111, a workbench 112 is provided on the top of the lifting assembly 3, a clamping assembly 2 is provided on the top of the workbench 112, the clamping assembly 2 includes a motor 1 211, the top of the motor 1 211 is fixedly connected to the bottom of the workbench 112, a gear 217 is provided inside the workbench 112, and the front and back surfaces of the outer surfaces of the gear 217 are meshed with a rack 213. There are clamping plates 212 on the left and right sides of the top of the workbench 112. Specifically, when the starting motor 211 drives the gear 217 to rotate, the rack 213 will move relative to each other through the rotation of the gear 217. When the rack 213 moves relative to each other, it will drive the clamping plates 212 to approach each other and clamp the workpiece. After the workpiece is clamped, the staff will weld it to avoid the workpiece from moving due to the force during welding, which greatly improves the welding effect, and at the same time greatly improves the welding accuracy and the product yield.

[0025] The gear 217 is fixedly connected to the rotating shaft 218 inside, and the bottom of the outer surface of the rotating shaft 218 is rotatably connected to the bottom of the inside of the workbench 112. The top output end of the motor 211 is fixedly connected to the bottom of the rotating shaft 218 through a coupling. The front and back sides of the inside of the workbench 112 are fixedly connected to the slide rail 216, and the left and right sides of the top back of the workbench 112 are fixedly connected to the lighting lamps 114.

[0026] The sides of the two racks 213 that are away from each other are slidably connected to the side corresponding to the inside of the slide rail 216, and the sides of the two racks 213 that are away from each other are fixedly connected to the support rod 214. The sides of the outer surfaces of the two support rods 214 that are away from each other are fixedly connected to the support blocks 215, and the tops of the two support blocks 215 are fixedly connected to the bottom of the splint 212.

[0027] The front and back surfaces of the two support blocks 215 are slidably connected to the inside of the workbench 112, the front and back surfaces of the top of the workbench 112 are fixedly connected to the slide rail 113, the front and back surfaces of the two splints 212 are fixedly connected to the rotating shaft 219, the outer surfaces of the four rotating shafts 219 are rotatably connected to the wheels 220, and the outer surfaces of the four wheels 220 are in contact with the inside of the slide rail 113.

[0028] The lifting assembly 3 includes a second motor 311, the back of the second motor 311 is fixedly connected to the front of the support seat 111, and a two-way threaded rod 313 is provided on the left side of the support seat 111. The front and back surfaces of the outer surface of the two-way threaded rod 313 are rotatably connected to the front and back surfaces of the support seat 111. The output end of the back of the second motor 311 is fixedly connected to the front of the two-way threaded rod 313 through a coupling. Specifically, the second motor 311 is started to drive the two-way threaded rod 313 to rotate, and the two-way threaded rod 313 drives the support rod 1 315 and the support rod 2 316 to approach each other. Then, the workbench 112 will move upward through the approach of the support rod 1 315 and the support rod 2 316. The movement of the workbench 112 drives the workpiece to move together. The staff can adjust the height of the workpiece according to their needs to avoid the situation where the welding platform needs to be replaced due to the different heights of the tooling during welding, which greatly improves the work progress and also greatly reduces the workload of the staff.

[0029] The front of the outer surface of the bidirectional threaded rod 313 is fixedly connected to the limiting bracket 1 312, and there are two limiting brackets 1 312. The outer surfaces of the two limiting brackets 1 312 are both slidably connected to the front of the inside of the support seat 111, and the interiors of the two limiting brackets 1 312 are both rotatably connected to the support rod 2 316 through a pin shaft. The back of the outer surface of the bidirectional threaded rod 313 is threadedly connected to the limiting bracket 2 314, and there are two limiting brackets 2 314. The outer surfaces of the two limiting brackets 2 314 are both slidably connected to the back of the inside of the support seat 111, and the interiors of the two limiting brackets 2 314 are both rotatably connected to the support rod 1 315 through a pin shaft.

[0030] The tops of the two support rods 2 316 are rotatably connected to the limit bracket 4 318 through pins, and the tops of the two limit brackets 4 318 are fixedly connected to the left and right sides of the back bottom of the workbench 112. The tops of the two support rods 1 315 are rotatably connected to the limit bracket 3 317 through pins, and the tops of the two limit brackets 3 317 are fixedly connected to the left and right sides of the front bottom of the support seat 111. The right side of the support seat 111 is fixedly connected with a sliding rod 319, and the front surface of the outer surface of the sliding rod 319 is slidably connected to the inside of the limit bracket 1 312 located on the right side, and the back surface of the outer surface of the sliding rod 319 is slidably connected to the inside of the limit bracket 2 314 located on the right side.

[0031] A specific application of this embodiment is as follows: when in use, the staff first places the workpiece to be welded on the top of the workbench 112, and then the staff starts the motor 1 211 to drive the shaft 1 218 to rotate. The shaft 1 218 rotates and drives the gear 217 to rotate. The rack 213 moves relative to each other through the rotation of the gear 217. At the same time, the rack 213 slides inside the slide rail 216 when it moves. The slide rail 216 provides a certain guarantee for the horizontal movement of the rack 213. When the racks 213 move relative to each other, they drive the support rod 214 to move together. When the workpiece is moved, the support block 215 will drive the clamping plates 212 to move closer to each other through the support rod 214 and clamp the workpiece. At the same time, when the clamping plates 212 move, the wheels 220 will slide inside the slide rail 113. The slide rail 113 provides a certain guarantee for the horizontal movement of the clamping plates 212. After the workpiece is clamped and fixed, the staff will weld it to avoid the workpiece from being moved by the force during welding, which greatly improves the welding effect, the accuracy of welding, and the yield rate of the product. During welding, the staff can adjust the workpiece according to the needs To start the motor 2 311 to drive the bidirectional threaded rod 313 to rotate, the bidirectional threaded rod 313 rotates and drives the limit bracket 1 312 and the limit bracket 2 314 to approach each other. At the same time, the support rod 1 315 and the support rod 2 316 approach each other through the limit bracket 1 312 and the limit bracket 2 314, which will drive the limit bracket 3 317 and the limit bracket 4 318 to approach each other. Then the workbench 112 will move upwards through the limit bracket 3 317 and the limit bracket 4 318 approaching each other. The movement of the workbench 112 drives the workpiece to move together. The staff The height of the workpiece can be adjusted as needed to avoid the need to replace the welding platform due to the different heights of the tooling during welding, which greatly improves the work progress and also greatly reduces the workload of the staff. When the two-way threaded rod 313 rotates, it will drive the right-side limit bracket 1 312 and the limit bracket 2 314 to slide on the outer surface of the slide bar 319. The slide bar 319 provides a certain guarantee for the horizontal upward movement of the workbench 112. While working, the staff can turn on the lighting 114 for lighting, which greatly improves the visibility of the working environment and reduces the occurrence of work accidents.

[0032] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0033] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A welding tool for a main platform of a small excavator, comprising a main frame mechanism (1), wherein the main frame mechanism (1) comprises a support seat (111), a lifting assembly (3) is provided on the top of the support seat (111), a workbench (112) is provided on the top of the lifting assembly (3), and a clamping assembly (2) is provided on the top of the workbench (112), characterized in that: The clamping assembly (2) includes a motor (211), the top of the motor (211) is fixedly connected to the bottom of the workbench (112), a gear (217) is provided inside the workbench (112), the front and back surfaces of the outer surface of the gear (217) are meshed with racks (213), and clamping plates (212) are provided on the left and right sides of the top of the workbench (112).

2. A small excavator main platform welding tool according to claim 1, characterized in that: The gear (217) is fixedly connected to a rotating shaft (218) inside, the bottom of the outer surface of the rotating shaft (218) is rotatably connected to the bottom of the inside of the workbench (112), the top output end of the motor (211) is fixedly connected to the bottom of the rotating shaft (218) through a coupling, the front and back of the inside of the workbench (112) are fixedly connected to a slide rail (216), and the left and right sides of the top back of the workbench (112) are fixedly connected to lighting lamps (114).

3. The mini excavator main platform welding tool according to claim 2, characterized in that: The sides of the two racks (213) that are away from each other are slidably connected to the side corresponding to the inside of the second slide rail (216), the sides of the two racks (213) that are away from each other are fixedly connected to the support rod (214), the sides of the outer surfaces of the two support rods (214) that are away from each other are fixedly connected to the support blocks (215), and the tops of the two support blocks (215) are fixedly connected to the bottom of the clamping plate (212).

4. The mini excavator main platform welding tool according to claim 3, characterized in that: The front and back surfaces of the two support blocks (215) are slidably connected to the inside of the workbench (112), the front and back surfaces of the top of the workbench (112) are fixedly connected to the first slide rail (113), the front and back surfaces of the two clamping plates (212) are fixedly connected to the second rotating shaft (219), the outer surfaces of the four second rotating shafts (219) are rotatably connected to wheels (220), and the outer surfaces of the four wheels (220) are in contact with the inside of the first slide rail (113).

5. The mini excavator main platform welding tool according to claim 4, characterized in that: The lifting assembly (3) comprises a second motor (311), the back of the second motor (311) is fixedly connected to the front of the support seat (111), a bidirectional threaded rod (313) is provided on the left side inside the support seat (111), the front and back of the outer surface of the bidirectional threaded rod (313) are both rotatably connected to the front and back of the inside of the support seat (111), and the back output end of the second motor (311) is fixedly connected to the front of the bidirectional threaded rod (313) via a coupling.

6. The mini excavator main platform welding tool according to claim 5, characterized in that: The front side of the outer surface of the bidirectional threaded rod (313) is fixedly connected to a limiting bracket (312), and there are two limiting brackets (312). The outer surfaces of the two limiting brackets (312) are both slidably connected to the front side inside the support seat (111), and the interiors of the two limiting brackets (312) are both rotatably connected to a support rod (316) via a pin shaft.

7. The mini excavator main platform welding tool according to claim 6, characterized in that: The back surface of the outer surface of the bidirectional threaded rod (313) is threadedly connected to the limiting bracket 2 (314), and the number of the limiting bracket 2 (314) is two. The outer surfaces of the two limiting brackets 2 (314) are both slidably connected to the back surface inside the support seat (111), and the interiors of the two limiting brackets 2 (314) are both rotatably connected to the support rod 1 (315) through a pin shaft.

8. The mini excavator main platform welding tool according to claim 7, characterized in that: The tops of the two support rods (316) are rotatably connected to the limit bracket (318) through a pin shaft, and the tops of the two limit brackets (318) are fixedly connected to the left and right sides of the back of the bottom of the workbench (112). The tops of the two support rods (315) are rotatably connected to the limit bracket (317) through a pin shaft, and the tops of the two limit brackets (317) are fixedly connected to the left and right sides of the front of the bottom of the support seat (111). The right side of the support seat (111) is fixedly connected with a sliding rod (319), the front side of the outer surface of the sliding rod (319) is slidably connected to the inside of the limit bracket (312) located on the right side, and the back side of the outer surface of the sliding rod (319) is slidably connected to the inside of the limit bracket (314) located on the right side.

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