Workpiece welding and pressing tool

Abstract

The utility model discloses a workpiece welding and compressing tool, which belongs to the technical field of machining and comprises a base, a clamping component is arranged in the base, two vertical plates are connected to the top of the base, a top plate is connected to the tops of the vertical plates, and a lifting component is mounted at the top of the top plate. A motor drives a rotating shaft to drive two second bevel gears to rotate, two screw rods can synchronously rotate under meshing transmission between the second bevel gears and the first bevel gears, under meshing connection between the screw rods and a threaded cylinder, the threaded cylinder moves downwards to enable a triangular plate to be tightly attached to a workpiece, a single motor replaces a double-linear driving device for driving, and the cost of the device is fully reduced. According to the utility model, through the arrangement of the clamping assembly, the rotating lead screw is in meshed connection between the lead screw and the transmission blocks, the two transmission blocks can respectively drive the clamping blocks to move in opposite directions due to the fact that the directions of threads on the surfaces of the two ends of the lead screw are opposite, and the welding precision can be higher when a workpiece is clamped.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical processing, and in particular relates to a workpiece welding and clamping tool. Background Art

[0002] The clamping device of welding equipment is an auxiliary equipment of welding equipment. Its main function is to fix the objects to be welded to facilitate the smooth progress of welding operation.

[0003] Chinese patent application No. 202021813487.2 discloses a workpiece welding clamping fixture, including a base and a clamping member cooperating with the base, the base is provided with a positioning groove, characterized in that the positioning groove is an L-shaped structure, at least two of which are arranged relatively to each other, and the clamping member includes a pressing plate with a triangular structure, the pressing plate is fixed on a linear drive mechanism, and triangular limiting grooves for limiting the triangular plate are formed on two symmetrical sides of the pressing plate. The utility model workpiece welding clamping fixture can utilize this special structure, after positioning the workpiece, press the triangular plate to be welded into the triangular groove of the workpiece, and then facilitate welding, thus solving the technical problem in the prior art that such special-shaped workpieces are inconvenient to position and fix for welding.

[0004] In the above-mentioned patent, the press connection and fixation between the two triangles and the workpiece are driven by two linear drive devices. The dual linear drive device drive results in a high cost of the device. The workpiece is placed in a positioning position and connected to the triangle plate for welding and fixation. Since the workpiece cannot be fixed and limited, the workpiece is easy to move, affecting the welding accuracy. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a workpiece welding clamping tool, which has the characteristics of reducing costs and firm positioning.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a workpiece welding clamping tool, comprising a base, a clamping assembly is opened inside the base, two positioning grooves are arranged on the top of the base, two vertical plates are connected to the top of the base, the top of the vertical plates are connected to the top of the top plate, a lifting assembly is installed on the top of the top plate, the bottom of the lifting assembly is connected to the seat plate, and a fixing plate is arranged on the bottom of the seat plate.

[0007] Preferably, the lifting assembly includes an auxiliary assembly, a rotating shaft, a screw, a threaded barrel, a motor, bevel gear 1 and bevel gear 2, wherein a motor is installed on the top of the top plate, a rotating shaft is connected to the side of the motor, two bevel gear 2s are sleeved on the surface of the rotating shaft, two screws are embedded inside the top plate, the top of the screws is connected to bevel gear 1, the top of the base plate is connected to the threaded barrel, the bottom of the base plate is connected to the auxiliary assembly, a cross bar is connected between the two threaded barrels, and the sides of bevel gear 1 and bevel gear 2 are meshed with each other.

[0008] Preferably, a positioning block is sleeved on the surface of the screw inside the top plate, and the positioning block is in a circular ring structure, and the second bevel gear is located on the same side as the corresponding meshing bevel gear one.

[0009] Preferably, the auxiliary component includes a movable plate, a connecting block, a bottom block and an adjusting rod, wherein the bottom of the seat plate is connected to the bottom block, the adjusting rod is embedded in the bottom block, the side end of the adjusting rod is connected to the connecting block, the outer side of the connecting block is sleeved with the movable plate, and the side edge of the movable plate is tightly attached to the surface of the seat plate.

[0010] Preferably, the clamping assembly includes a clamping block, a transmission block, a through slot, a screw, a fixed sleeve and a rotating block, wherein two through slots are opened inside the base, the transmission block is embedded in the through slots, the clamping block is connected to the surface of the transmission block, the screw is embedded in the transmission block, the surface of the base is provided with a fixed sleeve, and the rotating block is sleeved on the surface of the screw inside the fixed sleeve.

[0011] Preferably, the surface of the transmission block is tightly fitted with the inner wall of the through slot, and the thread directions of the screw rod surfaces inside the two through slots are opposite.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a lifting component, and the motor drives the rotating shaft to drive the two bevel gears to rotate. Under the meshing transmission between the bevel gears 2 and 1, the two screws can rotate synchronously, and under the meshing connection between the screw and the threaded barrel, the threaded barrel can drive the seat plate to move downward so that the triangle plate and the workpiece are in close contact. The single motor replaces the dual linear drive device to drive and fully reduces the cost of the device.

[0014] 2. The utility model sets a clamping assembly, and the fixed sleeve limits the rotating block. When the rotating screw is meshed with the transmission block, the through groove limits the transmission block. Since the threads on the surfaces at both ends of the screw are in opposite directions, the two transmission blocks can respectively drive the clamping blocks to move toward each other. The clamping blocks clamp and fix the workpiece, which can make the welding accuracy higher. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 This is a front view of the clamping assembly of the utility model;

[0017] Figure 3 This is the front view of the lifting component of the utility model;

[0018] Figure 4 It is the front view of the auxiliary component of the utility model.

[0019] In the figure: 1. top plate; 2. lifting assembly; 21. auxiliary assembly; 211. movable plate; 212. connecting block; 213. bottom block; 214. adjusting rod; 22. rotating shaft; 23. positioning block; 24. screw; 25. threaded barrel; 26. motor; 27. bevel gear one; 28. bevel gear two; 3. seat plate; 4. fixed plate; 5. clamping assembly; 51. clamping block; 52. transmission block; 53. through groove; 54. screw; 55. fixed sleeve; 56. rotating block; 6. positioning groove; 7. base; 8. vertical plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] See also Figure 1-4 The utility model provides the following technical solutions: a workpiece welding clamping fixture, including a base 7, a clamping assembly 5 is opened inside the base 7, two positioning grooves 6 are arranged on the top of the base 7, two vertical plates 8 are connected to the top of the base 7, a top plate 1 is connected to the top of the vertical plates 8, a lifting assembly 2 is installed on the top of the top plate 1, a seat plate 3 is connected to the bottom of the lifting assembly 2, and a fixing plate 4 is arranged on the bottom of the seat plate 3.

[0023] Specifically, the lifting component 2 includes an auxiliary component 21, a rotating shaft 22, a screw 24, a threaded barrel 25, a motor 26, a bevel gear 1 27 and a bevel gear 2 28. The motor 26 is installed on the top of the top plate 1, and the side of the motor 26 is connected to the rotating shaft 22. The surface of the rotating shaft 22 is sleeved with two bevel gears 28. Two screws 24 are embedded in the inside of the top plate 1, and the top of the screw 24 is connected to the bevel gear 1 27. The top of the seat plate 3 is connected to the threaded barrel 25, and the bottom of the seat plate 3 is connected to the auxiliary component 21. A cross bar is connected between the two threaded barrels 25, and the sides of the bevel gear 1 27 and the bevel gear 2 28 are meshed with each other.

[0024] By adopting the above technical solution, the motor 26 drives the rotating shaft 22 to drive the two bevel gears 28 to rotate. Under the meshing transmission between the bevel gear 28 and the bevel gear 1 27, the two screws 24 can rotate synchronously. Under the meshing connection between the screw 24 and the threaded barrel 25, the threaded barrel 25 can drive the seat plate 3 to move downward so that the triangle plate is close to the workpiece. The single motor 26 replaces the dual linear drive device to drive and fully reduces the cost of the device.

[0025] Specifically, a positioning block 23 is sleeved on the surface of the screw rod 24 inside the top plate 1 , and the positioning block 23 is an annular structure. The second bevel gear 28 is located on the same side as the corresponding meshing bevel gear 1 27 .

[0026] By adopting the above technical solution, the positioning block 23 plays a limiting role, which can make the meshing transmission between the bevel gear 2 28 and the bevel gear 1 27 more stable and firm, and the lifting and lowering control effect of the triangle plate is better.

[0027] Specifically, the auxiliary component 21 includes a movable plate 211, a connecting block 212, a bottom block 213 and an adjusting rod 214. The bottom of the seat plate 3 is connected to the bottom block 213, the adjusting rod 214 is embedded in the bottom block 213, the side end of the adjusting rod 214 is connected to the connecting block 212, the outer side of the connecting block 212 is sleeved with the movable plate 211, and the side edge of the movable plate 211 is tightly attached to the surface of the seat plate 3.

[0028] By adopting the above technical solution, the triangle plate is placed between the fixed plate 4 and the movable plate 211 under the seat plate 3. The rotating adjusting rod 214 is engaged with the bottom block 213. The adjusting rod 214 can drive the movable plate 211 to move through the connecting block 212. The movable plate 211 cooperates with the fixed plate 4 to clamp and fix the triangle plate, so that the triangle plate can be firmly installed and positioned, and the welding processing effect is better.

[0029] When this embodiment is used, the workpiece is placed in the positioning groove 6 on the base 7, and the triangular plate is placed between the fixed plate 4 and the movable plate 211 under the seat plate 3. The rotating adjusting rod 214 is engaged with the bottom block 213, and the adjusting rod 214 can drive the movable plate 211 to move through the connecting block 212. The movable plate 211 cooperates with the fixed plate 4 to clamp and fix the triangular plate, so that the triangular plate can be installed and positioned firmly and the welding processing effect is better. The starting motor 26 drives the rotating shaft 22 to drive the two bevel gears 28 to rotate. Under the meshing transmission between the bevel gear 28 and the bevel gear 1 27, the positioning block 23 plays a limiting role. The two screws 24 can rotate synchronously, and under the meshing connection between the screw 24 and the threaded barrel 25, the threaded barrel 25 can drive the seat plate 3 to move downward so that the triangular plate is close to the workpiece, and then the welding operation can be carried out. The single motor 26 replaces the dual linear drive device to drive and fully reduces the cost of the device.

[0030] Example 2

[0031] The present embodiment is different from the embodiment 1 in that: the clamping assembly 5 includes a clamping block 51, a transmission block 52, a through groove 53, a screw rod 54, a fixed sleeve 55 and a rotating block 56, two through grooves 53 are provided inside the base 7, the transmission block 52 is embedded inside the through groove 53, the clamping block 51 is connected to the surface of the transmission block 52, the screw rod 54 is embedded inside the transmission block 52, the surface of the base 7 is provided with a fixed sleeve 55, and the surface of the screw rod 54 inside the fixed sleeve 55 is sleeved with a rotating block 56.

[0032] Specifically, the surface of the transmission block 52 is tightly fitted with the inner wall of the through slot 53 , and the thread directions of the surfaces of the screw rods 54 inside the two through slots 53 are opposite.

[0033] By adopting the above technical solution, the fixed sleeve 55 limits the rotating block 56, and the rotating screw 54 is in meshing connection with the transmission block 52, and the through groove 53 limits the transmission block 52. Since the threads on the surfaces at both ends of the screw 54 are in opposite directions, the two transmission blocks 52 can respectively drive the clamping blocks 51 to move toward each other, and the clamping blocks 51 clamp and fix the workpiece to achieve higher welding accuracy.

[0034] When this embodiment is in use, the fixed sleeve 55 limits the rotating block 56, and the rotating screw 54 is in meshing connection with the transmission block 52, and the through groove 53 limits the transmission block 52. Since the threads on the surfaces at both ends of the screw 54 are in opposite directions, the two transmission blocks 52 can respectively drive the clamping blocks 51 to move toward each other, and the clamping blocks 51 clamp and fix the workpiece to achieve higher welding accuracy.

[0035] The motor 26 in the present invention is an existing disclosed technology, and the selected model is Z2D15W.

[0036] The structure and use principle of the top plate 1, seat plate 3, fixed plate 4, positioning groove 6, base 7 and vertical plate 8 in the utility model have been disclosed in Chinese patent application No. 202021813487.2, which discloses a workpiece welding clamping tool. Its working principle is to place the workpiece in the positioning groove 6 on the base 7, and place the triangle plate between the two fixed plates 4 at the bottom of the seat plate 3. The two linear drive devices on the top plate 1 at the top of the vertical plate 8 control the seat plate 3 to move downward so that the triangle plate is close to the workpiece, and then the welding processing operation can be carried out.

[0037] Working principle and use process of the utility model: When the utility model is used, the workpiece is placed in the positioning groove 6 on the base 7, the fixed sleeve 55 limits the rotating block 56, the rotating screw 54 is meshed and connected between the screw 54 and the transmission block 52, and the through groove 53 limits the transmission block 52. Because the threads on the surfaces at both ends of the screw 54 are in opposite directions, the two transmission blocks 52 can respectively drive the clamping blocks 51 to move toward each other, and the clamping blocks 51 clamp and fix the workpiece to make the welding accuracy higher. The triangle plate is placed between the fixed plate 4 and the movable plate 211 under the seat plate 3, and the rotating adjustment rod 214 is meshed and connected between the adjustment rod 214 and the bottom block 213. 14 can drive the movable plate 211 to move through the connecting block 212. The movable plate 211 cooperates with the fixed plate 4 to clamp and fix the triangular plate, so that the triangular plate can be installed and positioned firmly, and the welding processing effect is better. The starting motor 26 drives the rotating shaft 22 to drive the two bevel gears 28 to rotate. Under the meshing transmission between the bevel gear 28 and the bevel gear 1 27, the positioning block 23 plays a limiting role. The two screws 24 can rotate synchronously, and under the meshing connection between the screw 24 and the threaded barrel 25, the threaded barrel 25 can drive the seat plate 3 to move downward to make the triangular plate close to the workpiece, and then the welding operation can be carried out. The single motor 26 replaces the dual linear drive device to drive and fully reduces the cost of the device.

[0038] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A workpiece welding clamping tool, comprising a base, characterized in that: A clamping assembly is provided inside the base, two positioning grooves are provided on the top of the base, two vertical plates are connected to the top of the base, a top plate is connected to the top of the vertical plates, a lifting assembly is installed on the top of the top plate, the bottom of the lifting assembly is connected to the seat plate, and a fixing plate is provided at the bottom of the seat plate.

2. A workpiece welding clamping fixture according to claim 1, characterized in that: The lifting assembly includes an auxiliary assembly, a rotating shaft, a screw, a threaded barrel, a motor, a bevel gear 1 and a bevel gear 2, wherein a motor is installed on the top of the top plate, a rotating shaft is connected to the side of the motor, two bevel gear 2s are sleeved on the surface of the rotating shaft, two screws are embedded inside the top plate, the top of the screws is connected to bevel gear 1, the top of the base plate is connected to the threaded barrel, the bottom of the base plate is connected to the auxiliary assembly, a cross bar is connected between the two threaded barrels, and the sides of bevel gear 1 and bevel gear 2 are meshed with each other.

3. A workpiece welding clamping fixture according to claim 2, characterized in that: A positioning block is sleeved on the surface of the screw rod inside the top plate, and the positioning block is in a circular ring structure. The second bevel gear is located on the same side as the corresponding meshing bevel gear one.

4. A workpiece welding clamping fixture according to claim 2, characterized in that: The auxiliary component includes a movable plate, a connecting block, a bottom block and an adjusting rod, wherein the bottom of the seat plate is connected to the bottom block, the adjusting rod is embedded in the bottom block, the side end of the adjusting rod is connected to the connecting block, the outer side of the connecting block is sleeved with the movable plate, and the side edge of the movable plate is tightly attached to the surface of the seat plate.

5. The workpiece welding clamping fixture according to claim 1, characterized in that: The clamping assembly includes a clamping block, a transmission block, a through slot, a screw, a fixed sleeve and a rotating block, wherein two through slots are opened inside the base, the transmission block is embedded inside the through slots, the clamping block is connected to the surface of the transmission block, the screw is embedded inside the transmission block, the fixed sleeve is provided on the surface of the base, and the rotating block is sleeved on the surface of the screw inside the fixed sleeve.

6. A workpiece welding clamping fixture according to claim 5, characterized in that: The surface of the transmission block is tightly fitted with the inner wall of the through slot, and the thread directions of the screw rod surfaces inside the two through slots are opposite.

Images