Multi-model quick clamping device for welding robot

Abstract

The utility model discloses a multi-model quick clamping device for a welding robot, which relates to the technical field of welding robot invention and comprises a fixed box body, a positioning device, an adjusting device and a clamping device, the positioning and clamping device can be applied to positioning and clamping during machining of forest mechanical supports and can be used for positioning and clamping workpieces of various specifications, the workpieces can be positioned and fixed only through one-time clamping and alignment, and therefore the problems that in the welding process, due to the fact that the workpieces deviate in the overturning process, the production efficiency is low, and the welding quality is poor are solved. And the welding quality of the workpiece cannot be ensured. In the production process of the welding robot, the positioning precision of the workpiece is improved, so that the welding quality of the workpiece is guaranteed, meanwhile, the purpose of rapid assembly welding is achieved, it is effectively guaranteed that the workpiece is prevented from deviating in the welding process, the stability of the welding process is guaranteed, the welding efficiency is greatly improved, and the production cost is reduced. And meanwhile, the labor cost is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of welding robots, in particular to a multi-model quick clamping device for welding robots. Background Art

[0002] In the industrial production in the prior art, the use of welding robots has become more and more common. However, in the process of using welding robots, in order to ensure the accuracy and efficiency of welding robots, clamping fixtures are needed to fix the workpiece to be welded. At the same time, in order to improve the welding efficiency of welding robots, the clamping fixtures are connected to the positioner. The workpiece and the positioner are connected through the clamping fixtures, so as to locate the coordinate position of the weld bead and fix the workpiece. Because each component of the workpiece needs to be welded during the production process, the workpiece is flipped with the positioner during the welding process to ensure welding at different positions.

[0003] For welding of large-tonnage workpieces, due to gravity and centrifugal force, a larger clamping force is required to fix the workpiece. The welding robot is fixed during mass production of the CNC welding program. The position accuracy of the workpiece weld on the positioner is very high. In the prior art, due to the special shape of the workpiece and the long size of the weld, the traditional clamping mode has low accuracy and cannot form a unified weld position, and the welding quality of the workpiece cannot be ensured. There are also problems such as the material being offset during the flipping process during welding, low production efficiency, and the inability to ensure the welding quality of the workpiece. Utility Model Content

[0004] The utility model aims to provide a multi-model quick clamping device for a welding robot to solve the problem in the prior art proposed in the above background technology that materials are offset during the flipping process during welding, the production efficiency is low, and the welding quality of the workpiece cannot be ensured.

[0005] To achieve the above object, the utility model provides the following technical solution: A multi-model quick clamping device for a welding robot, comprising a fixed box body, a positioning device, an adjusting device, and a clamping device; the fixed box body includes a horizontally arranged support plate, the support plate includes a left positioning part horizontally arranged at the left end, the right end of the left positioning part is provided with a left inclined plate positioning part bent backward and rightward, the right end of the left inclined plate positioning part is provided with a right inclined plate positioning part bent forward and rightward, the end of the right inclined plate positioning part is provided with a tail plate positioning part protruding forward and backward, a positioning hole is arranged at a position closer to the front side at the junction of the left positioning part and the left inclined plate positioning part, and a coaxial and concave positioning groove is arranged on the upper surface of the positioning hole. At the same time, a reinforcing ring coaxial with the positioning hole is arranged on the lower surface of the support plate; a rectangular positioning notch is arranged at the rear side of the junction of the left inclined plate positioning part and the right inclined plate positioning part; a support bottom plate parallel to it is arranged below the support plate, the left end of the support bottom plate is located on the right side below the reinforcing ring, and the right end is located on the left side of the tail plate positioning part; a box body vertical plate is jointly arranged between the rectangular positioning notch and the support bottom plate, and at the same time, parallelogram-shaped box body horizontal plates are jointly arranged between the front and rear edges of the support plate and the front and rear edges of the support bottom plate on the left and right sides of the box body vertical plate. A reinforcing inclined plate is respectively arranged between the left end and the right end of the support plate and the support bottom plate and between the left edges of the left and right front and rear box body horizontal plates and the right edges of the right and left front and rear box body horizontal plates; a rectangular support block is arranged on the lower surface of the support plate at the middle of the right inclined plate positioning part and at the right edge of the tail plate positioning part; the positioning device includes a limit stop block fixedly arranged respectively in front of and behind the left of the left positioning part; a limit stop block is also arranged at the position close to the right rear corner of the tail plate positioning part, and a positioning column is arranged at the position close to the front corner of the tail plate positioning part; a positioning shaft cylinder is arranged at the positioning hole; a positioning column is also arranged on the top surface of the right inclined plate positioning part close to the front side above the rectangular support block; the adjusting device includes an adjusting screw horizontally arranged above the top surface of the support plate on the limit stop block located behind the left of the left positioning part, and an adjusting screw is also arranged on the limit stop block at the right rear corner of the tail plate positioning part; a limit adjusting block is arranged at the rear side of the right inclined plate positioning part on the right side of the rectangular support block. The limit adjusting block includes an adjusting mounting block fixedly connected to the side of the support plate. The rear side of the adjusting mounting block is provided with an adjusting mounting plate protruding at the top through a bolt. The protruding part at the top of the adjusting mounting plate is provided with an adjusting screw; the clamping device includes a U-shaped clamping frame, the horizontal part at the lower part of the clamping frame is clamped on the bottom surface of the support plate, and a clamping screw is arranged at the middle of the horizontal part at the upper part of the clamping frame.

[0006] Preferably, a positioning shaft cylinder is provided in the positioning hole.

[0007] Preferably, the positioning shaft cylinder can be used for positioning and fixing workpieces of different specifications, and positioning shaft cylinders of different structures are used for workpieces of different specifications.

[0008] Preferably, the positioning shaft cylinder includes an axial screw arranged at the axis when positioning and fixing a workpiece of smaller specifications, a hollow shaft cylinder is sleeved on the outside of the axial screw, and a pressure cap is sleeved on the outside of the axial screw at the lower end of the hollow shaft cylinder, and a positioning sleeve sleeved on the outside of the axial screw is arranged below the pressure cap; a guide sleeve sleeved on the outside of the axial screw is arranged at the upper end of the hollow shaft cylinder; in addition, a locking nut is arranged at the ends of the upper and lower ends of the axial screw.

[0009] Preferably, when the positioning shaft cylinder is used to position and fix a workpiece of larger specifications, it includes an axial screw arranged at the axis, a hollow shaft cylinder is sleeved on the outside of the axial screw, and a pressure cap is sleeved on the outside of the axial screw at the upper end of the hollow shaft cylinder, and a positioning sleeve is sleeved on the outside of the axial screw at the lower end of the hollow shaft cylinder. In addition, a locking nut is arranged at the ends of the upper and lower ends of the axial screw.

[0010] Preferably, the number and clamping positions of the clamping devices can be adjusted according to the shape specifications of the clamped workpiece.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model can be applied to the positioning and clamping during the processing of forest machinery supports. When in use, it can be used for the positioning and clamping of workpieces of various specifications, and the workpiece only needs to be clamped and aligned once to complete the positioning and fixation of the workpiece, thereby solving the problem of low production efficiency and inability to ensure the welding quality of the workpiece due to the offset of the workpiece during the flipping process during welding; the utility model improves the positioning accuracy of the workpiece in the production process of the welding robot, thereby ensuring the welding quality of the workpiece, and also realizes the purpose of rapid assembly welding, and effectively ensures that the workpiece does not deviate during the welding process, ensures the stability of the welding process, and greatly improves the welding efficiency, while also greatly reducing the labor cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is the axonometric drawing of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the utility model;

[0015] Figure 3 is the main view;

[0016] Figure 4 It is the front view and top view of the support plate;

[0017] Figure 5 Schematic diagram of a support plate with a positioning shaft cylinder for mounting large-sized workpieces;

[0018] Figure 6 for Figure 5 A magnified view of middle;

[0019] Figure 7 A schematic diagram of a support plate with a positioning shaft cylinder for mounting small-sized workpieces;

[0020] Figure 8 for Figure 7 Enlarged view of middle B;

[0021] In the figure: fixed box body -1, support plate -11, left positioning part -111, left inclined plate positioning part -112, right inclined plate positioning part -113, tail plate positioning part -114, positioning hole -115, positioning groove -116, reinforcing ring -117, rectangular positioning notch -118, supporting bottom plate -12, box body vertical plate -13, box body horizontal plate -14, reinforcing inclined plate -15, rectangular support block -16, positioning device -2, limit stop block -21, positioning column -22, positioning shaft cylinder -23, axial screw -231, hollow shaft cylinder -232, pressure cover -233, positioning sleeve -234, guide sleeve -235, locking nut -236, adjusting device -3, adjusting screw -31, limit adjustment block -32, adjusting mounting block -321, adjusting mounting plate -322, clamping device -4, clamping frame -41, clamping screw -42. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution in the embodiments of the present utility model is clearly and completely described below in conjunction with the accompanying drawings and specific embodiments.

[0023] Please refer to Figure 1-8 , Figure 1 This is the axonometric drawing of the utility model; Figure 2 It is a schematic diagram of the structure of the utility model; Figure 3 is the main view; Figure 4 It is the front view and top view of the support plate; Figure 5 Schematic diagram of a support plate with a positioning shaft cylinder for mounting large-sized workpieces; Figure 6 for Figure 5 A magnified view of middle; Figure 7 Schematic diagram of a support plate with a positioning shaft cylinder for mounting small-sized workpieces; Figure 8 for Figure 7 Enlarged view of B.

[0024] The utility model provides a multi-model quick clamping device for a welding robot, which is used for quickly clamping workpieces to be welded, and cooperates with a positioner to drive the welded workpiece to be displaced in time, so as to assist the welding robot to perform accurate and rapid welding; it comprises a fixed box 1, a positioning device 2, an adjustment device 3, and a clamping device 4.

[0025] The fixed box 1 is a box fixing structure that follows the shape of the workpiece, and can bear heavy workpieces. At the same time, it follows the shape of the workpiece to ensure the stability of the workpiece during welding and eliminate vibration;

[0026] The support plate 11 comprises a horizontally arranged support plate 11, wherein the support plate 11 comprises a left positioning portion 111 arranged transversely at the left end, a left inclined plate positioning portion 112 bent toward the right rear side is arranged at the right end of the left inclined plate positioning portion 111, a right inclined plate positioning portion 113 bent toward the right front side is arranged at the right end of the left inclined plate positioning portion 112, a tail plate positioning portion 114 protruding toward the front and rear sides is arranged at the end of the right inclined plate positioning portion 113, a positioning hole 115 is arranged at the front side of the intersection of the left positioning portion 111 and the left inclined plate positioning portion 112, and a coaxial and concave positioning groove 116 is arranged on the upper surface of the positioning hole 115, and a reinforcing ring 117 coaxial with the positioning hole 115 is arranged on the lower surface of the support plate 11; a rectangular positioning notch 118 is arranged at the rear side of the intersection of the left inclined plate positioning portion 112 and the right inclined plate positioning portion 113;

[0027] A supporting bottom plate 12 parallel to the supporting plate 11 is arranged below the supporting plate 11, and the left end of the supporting bottom plate 12 is located on the right side below the reinforcing ring 117, and the right end is located on the left side of the tail plate positioning portion 114; and a box longitudinal plate 13 is jointly arranged between the rectangular positioning notch 118 and the supporting bottom plate 12, and at the same time, a box transverse plate 14 similar to a parallelogram is jointly arranged on the left and right sides of the box longitudinal plate 13 at the edges of the front and rear sides of the supporting plate 11 and between the front and rear edges of the supporting bottom plate 12, and a reinforcing inclined plate 15 is respectively arranged between the left and right ends of the supporting plate 11 and the supporting bottom plate 12, and at the left edges of the left front and rear box transverse plates 14 and before the right edges of the right front and rear box transverse plates 14; in addition, a rectangular support block 16 is arranged on the lower surface of the supporting plate 11 at the middle of the right inclined plate positioning portion 113 and at the right edge of the tail plate positioning portion 114.

[0028] The positioning device 2 positions the weld bead of the workpiece according to the characteristics of the workpiece, so as to ensure the consistency of the welding of the workpiece; it includes a limit stopper 21 fixedly arranged at the left front and left rear of the left positioning part 111; a limit stopper 21 is also arranged at the tail plate positioning part 114 near its right rear corner, and a positioning column 22 is arranged at the tail plate positioning part 114 near its front corner; a positioning shaft cylinder 23 is arranged at the positioning hole 115; a positioning column 22 is also arranged on the top surface of the right inclined plate positioning part 113 near the front side and above the rectangular support block 16; a plurality of limit stops 21, positioning columns 22 and positioning shaft cylinders 23 are used in coordination to fix the clamped workpiece.

[0029] The positioning shaft cylinder 23 can be used for positioning and fixing workpieces of different specifications, and positioning shaft cylinders of different structures are used for workpieces of different specifications. When positioning and fixing workpieces of smaller specifications, it includes an axial screw 231 arranged at the axis, and a hollow shaft cylinder 232 is sleeved on the outer side of the axial screw 231, and a pressure cover 233 is sleeved on the outer side of the axial screw 231 at the lower end of the hollow shaft cylinder 232, and a positioning sleeve 234 sleeved on the outer side of the axial screw 231 is arranged below the pressure cover 233; a guide sleeve 235 sleeved on the outer side of the axial screw 231 is arranged at the upper end of the hollow shaft cylinder 232; in addition, a locking nut 236 is arranged at the end of the upper and lower ends of the axial screw 231 for locking and fixing the clamped workpiece.

[0030] When positioning and fixing a workpiece with larger specifications, it includes an axial screw 231 set at the axis, a hollow shaft cylinder 232 is sleeved on the outside of the axial screw 231, and a pressure cover 233 is sleeved on the outside of the axial screw 231 at the upper end of the hollow shaft cylinder 232, and a positioning sleeve 234 is sleeved on the outside of the axial screw 231 at the lower end of the hollow shaft cylinder 232. In addition, a locking nut 236 is set at the end of the upper and lower ends of the axial screw 231 for locking and fixing the clamped workpiece.

[0031] The adjusting device 3 can be used for fine-tuning according to different types of workpieces, including an adjusting screw 31 horizontally arranged above the top surface of the support plate 11 on the limit stopper 21 located at the left rear of the left positioning portion 111, and an adjusting screw 31 is also arranged on the limit stopper 21 at the right rear corner of the tail plate positioning portion 114; a limit adjustment block 32 is arranged on the right side of the rectangular support block 16 at the rear side of the right inclined plate positioning portion 113, and the limit adjustment block 32 includes an adjusting mounting block 321 fixedly connected to the side of the support plate 11, and an adjusting mounting plate 322 with a top protruding is arranged on the rear side surface of the adjusting mounting block 321 by bolts, and the top protruding part of the adjusting mounting plate 322 is penetrated by an adjusting screw 31 for adjusting the position of the clamped workpiece.

[0032] The clamping device 4 is used to clamp and fix workpieces of different specifications, and clamping devices of different specifications are set according to the different specifications of the workpieces, including a U-shaped clamping frame 41, the lower horizontal part of the clamping frame 41 is clamped on the bottom surface of the support plate 11, and the upper horizontal part of the clamping frame 41 is provided with a clamping screw 42 in the middle for clamping and fixing the clamped workpiece.

[0033] The number and clamping positions of the clamping devices 4 can be flexibly adjusted according to the shape and specifications of the workpiece to be clamped.

[0034] The utility model can be applied to the positioning and clamping of the support for forest machinery during processing. When in use, it can be used for the positioning and clamping of workpieces of various specifications, and the workpiece only needs to be clamped and aligned once to complete the positioning and fixing of the workpiece, thereby solving the problem that the production efficiency is low and the welding quality of the workpiece cannot be ensured due to the offset of the workpiece during the flipping process during welding; the utility model improves the positioning accuracy of the workpiece in the production process of the welding robot, thereby ensuring the welding quality of the workpiece, and also achieves the purpose of rapid assembly welding, and effectively ensures that the workpiece avoids the offset of the workpiece during the welding process, ensures the stability of the welding process, and greatly improves the welding efficiency, while also greatly reducing the labor cost. Although the embodiments of the utility model have been shown and described, it is obvious that 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, it can be understood by ordinary technicians in the field that without departing from the principle and spirit of the utility model, without making creative work, all other embodiments obtained by making various changes, modifications, substitutions and modifications to these embodiments belong to the scope of protection of the utility model.

Claims

1. A multi-model quick clamping device for a welding robot, characterized in that: The invention comprises a fixed box body (1), a positioning device (2), an adjustment device (3), and a clamping device (4); the fixed box body (1) comprises a horizontally arranged support plate (11); the support plate (11) comprises a left positioning portion (111) arranged transversely at the left end; the right end of the left positioning portion (111) is provided with a left inclined plate positioning portion (112) bent toward the right rear side; the right end of the left inclined plate positioning portion (112) is provided with a right inclined plate positioning portion (113) bent toward the right front side; the end of the right inclined plate positioning portion (113) is provided with a tail plate positioning portion (114) protruding toward the front and rear sides; a rear plate positioning portion (114) is provided at the front side of the intersection of the left positioning portion (111) and the left inclined plate positioning portion (112); A positioning hole (115) is provided, and a coaxial and concave positioning groove (116) is provided on the upper surface of the positioning hole (115); and a reinforcing ring (117) coaxial with the positioning hole (115) is provided on the lower surface of the support plate (11); a rectangular positioning notch (118) is provided on the rear side of the intersection of the left inclined plate positioning portion (112) and the right inclined plate positioning portion (113); a supporting bottom plate (12) parallel to the supporting plate (11) is provided below the supporting plate (11), the left end of the supporting bottom plate (12) is located on the right side below the reinforcing ring (117), and the right end is located on the left side of the tail plate positioning portion (114); and a reinforcing ring (117) is provided on the lower surface of the support plate (11) and the reinforcing ring (117) is provided on the lower surface of the support plate (11); and a reinforcing ring (117) is provided on the lower surface of the support plate (11) and the reinforcing ring (117) is provided on the lower surface of the tail plate (114 ... A box body longitudinal plate (13) is commonly arranged between the support plate (11) and the support bottom plate (12); at the same time, a box body transverse plate (14) similar to a parallelogram is commonly arranged between the left and right sides of the box body longitudinal plate (13) at the edges of the front and rear sides of the support plate (11) and the edges of the front and rear sides of the support bottom plate (12); a reinforcing inclined plate (15) is respectively arranged between the left and right ends of the support plate (11) and the support bottom plate (12) and at the left edges of the left front and rear box body transverse plates (14) and at the right edges of the right front and rear box body transverse plates (14); on the lower surface of the support plate (11), a reinforcing inclined plate (15) is arranged in the middle of the right inclined plate positioning portion (113); A rectangular support block (16) is arranged at the right edge of the tailgate positioning portion (114); the positioning device (2) comprises a limit stopper (21) fixedly arranged at the left front and left rear of the left positioning portion (111); a limit stopper (21) is also arranged at the tailgate positioning portion (114) near its right rear corner, and a positioning column (22) is arranged at the tailgate positioning portion (114) near its front corner; a positioning shaft cylinder (23) is arranged at the positioning hole (115); and a positioning column (22) is also arranged on the top surface of the right inclined plate positioning portion (113) near the front side and above the rectangular support block (16);The adjusting device (3) includes an adjusting screw (31) horizontally arranged above the top surface of the support plate (11) on a limit stop block (21) located at the left rear of the left positioning portion (111), and an adjusting screw (31) is also arranged on a limit stop block (21) at the right rear corner of the tail plate positioning portion (114); a limit adjusting block (32) is arranged on the right side of the rectangular support block (16) at the rear side of the right inclined plate positioning portion (113). The limit adjusting block (32) includes an adjusting mounting block (321) fixedly connected to the side of the support plate (11). An adjusting mounting plate (322) with a protruding top is arranged on the rear side surface of the adjusting mounting block (321) by bolts, and an adjusting screw (31) penetrates through the protruding part at the top of the adjusting mounting plate (322); the clamping device (4) includes a U-shaped clamping frame (41). The horizontal part at the lower part of the clamping frame (41) is clamped on the bottom surface of the support plate (11), and a clamping screw (42) is arranged in the middle of the horizontal part at the upper part of the clamping frame (41).; 2. The multi-model quick clamping device for welding robots according to claim 1, characterized in that: A positioning shaft cylinder (23) is provided in the positioning hole (115).

3. The multi-model quick clamping device for welding robots according to claim 2 is characterized in that: The positioning shaft cylinder (23) can be used for positioning and fixing workpieces of different specifications, and positioning shaft cylinders of different structures are used for workpieces of different specifications.

4. The multi-model quick clamping device for welding robots according to claim 3 is characterized in that: When positioning and fixing a workpiece of smaller specifications, the positioning shaft cylinder (23) includes an axial screw (231) arranged at the axis center, a hollow shaft cylinder (232) is sleeved on the outer side of the axial screw (231), and a pressure cover (233) is sleeved on the outer side of the axial screw (231) at the lower end of the hollow shaft cylinder (232), and a positioning sleeve (234) sleeved on the outer side of the axial screw (231) is arranged below the pressure cover (233); a guide sleeve (235) sleeved on the outer side of the axial screw (231) is arranged at the upper end of the hollow shaft cylinder (232); in addition, a locking nut (236) is arranged at the ends of the upper and lower ends of the axial screw (231).

5. The multi-model quick clamping device for welding robots according to claim 3 is characterized in that: When the positioning shaft cylinder (23) is used to position and fix a workpiece with a larger specification, it includes an axial screw (231) arranged at the axis center, a hollow shaft cylinder (232) is sleeved on the outer side of the axial screw (231), and a pressure cover (233) is sleeved on the outer side of the axial screw (231) at the upper end of the hollow shaft cylinder (232), and a positioning sleeve (234) is sleeved on the outer side of the axial screw (231) at the lower end of the hollow shaft cylinder (232). In addition, a locking nut (236) is provided at the ends of the upper and lower ends of the axial screw (231).

6. The multi-model quick clamping device for welding robots according to any one of claims 1 to 5, characterized in that: The number and clamping positions of the clamping devices (4) can be adjusted according to the shape specifications of the clamped workpiece.

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