Metal welding auxiliary clamp facilitating accurate positioning

Abstract

The utility model discloses a metal welding auxiliary clamp convenient for accurate positioning, and relates to the technical field of metal welding auxiliary appliances, the metal welding auxiliary clamp comprises a base, the front end and the rear end of the top of the base are transversely provided with sliding openings, a frame is installed above the base, and a clamping assembly is arranged between the base and the frame; through the cooperation of the first servo motor, the threaded rod, the guide rod and the guide block, the height of the arc-shaped pressing block can be conveniently and accurately adjusted, the accuracy and convenience of clamping height adjustment are improved, and then the clamping requirements of metal pieces of different sizes can be better met; through cooperation of a second servo motor, a lead screw and a moving block, the transverse position of the metal part can be accurately adjusted conveniently, the efficiency and accuracy of position adjustment are improved, and then the accurate positioning function of the metal part can be achieved; and finally, the problems that clamping is not firm and positioning is not accurate in the metal welding process are solved, and the metal welding quality and efficiency are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary tools for metal welding, in particular to an auxiliary clamp for metal welding. Background Art

[0002] In modern industrial production, welding is an important metal connection method. Accurate positioning and firm clamping of metal objects are the key to ensuring welding quality. Metal welding fixtures in the prior art often have loose clamping problems, and metal parts are prone to loosening during the welding process, affecting the welding quality. The positioning is not accurate, and it is difficult to meet the requirements of high-precision welding of metal parts. For metal objects of different sizes, the existing fixtures are not convenient and accurate enough when adjusting the clamping height and lateral position, which reduces the efficiency and quality of welding work. Therefore, the above problems need to be improved. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes an auxiliary clamp for metal welding which is convenient for accurate positioning.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an auxiliary clamp for metal welding that is easy to accurately position, including a base, the front and rear ends of the top of the base are both horizontally provided with sliding openings, and a frame is installed above the base, and the front and rear ends in the upper frame opening of the frame are horizontally fixed to the crossbeams; the bottoms of the two crossbeams are horizontally provided with guide openings; a clamping assembly is provided between the base and the frame.

[0005] Preferably, the clamping assembly includes an arc-shaped supporting block slidably arranged inside the sliding mouth and a movable block fixedly connected to the bottom end of the arc-shaped supporting block, the top ends of the two arc-shaped supporting blocks are both abutted against an arc-shaped pressure block, and movable grooves are provided in the upper part of the arc-shaped pressure block and the lower part of the arc-shaped supporting block, an electric push cylinder is installed in the movable groove, the telescopic end of the electric push cylinder is connected to a push rod, and an arc-shaped clamping plate is fixedly connected to the outer end of the push rod, the bottom surface of the arc-shaped pressure block and the top surface of the arc-shaped supporting block are both provided with an arc-shaped clamping groove, and the middle part of the inner arc surface of the arc-shaped clamping groove is provided with a storage groove for storing the arc-shaped clamping plate.

[0006] Preferably, an installation cavity is opened in the bottom of one side of the arc-shaped supporting block, a first servo motor is arranged in the installation cavity, and a threaded rod is vertically installed at the top end of the driving shaft of the first servo motor; a through hole for the threaded rod to pass through is opened vertically in one side of the arc-shaped supporting block, a threaded hole for the threaded rod to pass through is opened vertically in one side of the arc-shaped pressing block, a fixing groove is opened at the bottom of the other side of the arc-shaped supporting block, a fixing seat is installed in the fixing groove, a guide rod is fixedly connected to the top of the fixing seat, and a guide hole for the guide rod to pass through is opened vertically in the other side of the arc-shaped supporting block and the arc-shaped pressing block.

[0007] Preferably, a guide block is installed between the threaded rod and the top end of the guide rod, the top end of the threaded rod is rotatably connected to the bottom surface of the guide block, and the guide block is slidably arranged in the guide opening of the crossbeam.

[0008] Preferably, a lead screw is installed in the sliding mouth, one end of the lead screw is coaxially connected to a second servo motor, and the second servo motor is installed on a side surface of the base; the other end of the lead screw is rotatably connected to the inner wall of the sliding mouth through a bearing, and the moving block is transversely matched with the lead screw to open a through screw hole.

[0009] Preferably, anti-slip rubber strips are fixedly connected to the inner curved surfaces of the arc-shaped pressing block, the arc-shaped supporting block and the arc-shaped clamping plate.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model facilitates the precise adjustment of the height of the arc pressure block through the cooperation of the first servo motor, the threaded rod, the guide rod and the guide block, thereby improving the accuracy and convenience of the clamping height adjustment, and thus being able to better adapt to the clamping requirements of metal parts of different sizes; it also facilitates the precise adjustment of the lateral position of the metal part through the cooperation of the second servo motor, the lead screw and the moving block, thereby improving the efficiency and accuracy of the position adjustment, and thus being able to realize the precise positioning function of the metal part; ultimately, the problems of loose clamping and inaccurate positioning during metal welding are solved, thereby improving the quality and efficiency of metal welding. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0012] Figure 1 This is a schematic diagram of the overall three-dimensional structure proposed by the utility model;

[0013] Figure 2 This is a schematic diagram of the three-dimensional structure of the clamping assembly proposed by the utility model;

[0014] Figure 3 This is a schematic diagram of the cross-sectional structure of the arc-shaped pressing block proposed by the utility model;

[0015] Figure 4 This is a schematic diagram of the cross-sectional structure of the arc-shaped supporting block proposed by the utility model;

[0016] Figure 5 This is a schematic diagram of the top cross-sectional structure proposed by the utility model.

[0017] Serial numbers in the figure: 1. base; 2. frame; 3. arc-shaped pressure block; 4. arc-shaped supporting block; 5. electric push cylinder; 6. push rod; 7. arc-shaped clamping plate; 8. first servo motor; 9. threaded rod; 10. fixed seat; 11. guide rod; 12. guide block; 13. moving block; 14. second servo motor; 15. lead screw; 16. bearing; 17. anti-slip rubber strip. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] Example: See Figure 1-5 The auxiliary clamp for metal welding in the utility model comprises a base 1, through which other components can be installed and support can be provided for the entire clamp; sliding openings are horizontally provided at the front and rear ends of the top of the base 1, and a frame 2 is installed above the base 1, through which a stable structural support can be provided for the clamp; the front and rear ends in the upper frame opening of the frame 2 are horizontally fixed to the crossbeam; guide openings are horizontally provided at the bottom of the two crossbeams; a clamping assembly is provided between the base 1 and the frame 2; the clamping assembly comprises an arc-shaped supporting block 4 slidably arranged inside the sliding opening, through which the metal can be supported; a moving block 13 fixed to the bottom end of the arc-shaped supporting block 4, through which the moving block 13 can drive the arc-shaped supporting block 4 to move on the base 1 ; The top ends of the two arc-shaped supporting blocks 4 are both abutted against an arc-shaped pressure block 3, which is convenient for cooperating with the arc-shaped supporting block 4 to clamp the metal parts; movable grooves are provided in the upper part of the arc-shaped pressure block 3 and the lower part of the arc-shaped supporting block 4, in which electric push cylinders 5 are installed, which are convenient for pushing the push rod 6 to perform telescopic movement; the telescopic end of the electric push cylinder 5 is connected to a push rod 6, which is convenient for pushing the arc-shaped clamping plate 7 to perform clamping action; the outer end of the push rod 6 is fixedly connected to an arc-shaped clamping plate 7, which is convenient for directly contacting the metal parts for clamping; the bottom surface of the arc-shaped pressure block 3 and the top surface of the arc-shaped supporting block 4 are both provided with arc-shaped clamping grooves, and the middle part of the inner arc surface of the arc-shaped clamping groove is provided with a storage groove for storing the arc-shaped clamping plate 7.

[0020] In the utility model, a mounting cavity is provided in the bottom of one side of the arc-shaped supporting block 4, and a first servo motor 8 is provided in the mounting cavity, which is convenient for driving the threaded rod 9 to rotate by the first servo motor 8; a threaded rod 9 is vertically installed at the top of the driving shaft of the first servo motor 8, which is convenient for driving the arc-shaped pressing block 3 to move up and down to adjust the clamping height by the threaded rod 9; a through hole for the threaded rod 9 to pass through is vertically provided inside one side of the arc-shaped supporting block 4, a threaded hole for the threaded rod 9 to pass through is vertically provided inside one side of the arc-shaped pressing block 3, and a fixed hole is provided at the bottom of the other side of the arc-shaped supporting block 4 A fixed groove is provided in which a fixing seat 10 is installed. A guide rod 11 is fixedly connected to the top of the fixing seat 10, and the guide rod 11 is used to provide guidance for the movement of the arc-shaped pressing block 3; a guide hole for the guide rod 11 to pass through is vertically opened inside the other side of the arc-shaped supporting block 4 and the arc-shaped pressing block 3; a guide block 12 is installed between the threaded rod 9 and the top of the guide rod 11, and the guide block 12 is used to move in the guide opening and connect the guide rod 11 and the threaded rod 9; the top of the threaded rod 9 is rotatably connected to the bottom surface of the guide block 12, and the guide block 12 is slidably set in the guide opening of the crossbeam.

[0021] In the utility model, a lead screw 15 is installed in the sliding mouth, and the lead screw 15 is used to drive the moving block 13 to move so as to adjust the clamping position; one end of the lead screw 15 is coaxially connected to a second servo motor 14, and the second servo motor 14 is used to drive the lead screw 15 to rotate; the second servo motor 14 is installed on one side of the base 1; the other end of the lead screw 15 is rotatably connected to the inner wall of the sliding mouth through a bearing 16, and the moving block 13 is provided with a through screw hole for transversely cooperating with the lead screw 15; anti-slip rubber strips 17 are fixedly connected to the inner arc surfaces of the arc pressure block 3, the arc support block 4 and the arc clamping plate 7, and the anti-slip rubber strips 17 are used to provide buffer protection and increase friction when clamping metal parts.

[0022] Working principle: When the utility model is used, firstly, the metal parts to be welded are placed on two arc-shaped supporting blocks 4, and the arc-shaped supporting blocks 4 support the metal; then, the second servo motor 14 is started, and the second servo motor 14 drives the lead screw 15 to rotate; the rotation of the lead screw 15 drives the moving block 13 to move in the sliding opening of the base 1, so as to adjust the lateral position of the arc-shaped supporting block 4 and the metal parts thereon, and realize precise positioning; then, the first servo motor 8 is started, and the first servo motor 8 drives the threaded rod 9 to rotate; the guide block 12 moves in the guide opening of the top crossbeam of the frame 2, and the guide rod 11 fixed to the bottom of the guide block 12 provides a guide for the movement of the arc-shaped pressing block 3. direction, so that the arc pressure block 3 moves downward, and cooperates with the arc supporting block 4 to initially clamp the metal part; then start the electric push cylinder 5, the electric push cylinder 5 pushes the push rod 6 to perform telescopic movement, and the push rod 6 pushes the arc clamping plate 7 to move in the clamping groove of the arc supporting block 4 and the arc pressure block 3, and the arc clamping plate 7 directly contacts the metal part for further clamping and fixing; at this time, the metal part is firmly clamped in the fixture and welding operations can be carried out; after welding is completed, start the electric push cylinder 5 and the first servo motor 8 in reverse, so that the arc clamping plate 7 and the arc pressure block 3 release the metal part; start the second servo motor 14 in reverse again, and move the arc supporting block 4 to a suitable position to remove the welded metal.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An auxiliary fixture for metal welding that facilitates precise positioning, comprising a base (1), characterized in that: The front and rear ends of the top of the base (1) are both horizontally provided with sliding openings, and a frame (2) is installed above the base (1), and the front and rear ends of the upper frame opening of the frame (2) are both horizontally fixed to the crossbeams; the bottoms of the two crossbeams are horizontally provided with guide openings; and a clamping assembly is provided between the base (1) and the frame (2).

2. The auxiliary fixture for metal welding that facilitates precise positioning according to claim 1, characterized in that: The clamping assembly comprises an arc-shaped supporting block (4) slidably arranged inside the sliding mouth and a movable block (13) fixedly connected to the bottom end of the arc-shaped supporting block (4), the top ends of the two arc-shaped supporting blocks (4) are both abutted against an arc-shaped pressure block (3), and movable grooves are provided in the upper part of the arc-shaped pressure block (3) and the lower part of the arc-shaped supporting block (4), and an electric push cylinder (5) is installed in the movable groove, and the telescopic end of the electric push cylinder (5) is connected to a push rod (6), and the outer end of the push rod (6) is fixedly connected to an arc-shaped clamping plate (7), and the bottom surface of the arc-shaped pressure block (3) and the top surface of the arc-shaped supporting block (4) are both provided with an arc-shaped clamping groove, and the middle part of the inner arc surface of the arc-shaped clamping groove is provided with a storage groove for storing the arc-shaped clamping plate (7).

3. The auxiliary fixture for metal welding that facilitates precise positioning according to claim 2, characterized in that: A mounting cavity is provided in the bottom of one side of the arc-shaped support block (4), a first servo motor (8) is provided in the mounting cavity, and a threaded rod (9) is vertically installed at the top end of the driving shaft of the first servo motor (8); a through hole is vertically provided in the inside of one side of the arc-shaped support block (4) for the threaded rod (9) to pass through, a threaded hole is vertically provided in the inside of one side of the arc-shaped pressure block (3) for the threaded rod (9) to pass through, a fixing groove is provided in the bottom of the other side of the arc-shaped support block (4), a fixing seat (10) is installed in the fixing groove, a guide rod (11) is fixedly connected to the top of the fixing seat (10), and a guide hole is vertically provided in the inside of the other side of the arc-shaped support block (4) and the arc-shaped pressure block (3) for the guide rod (11) to pass through.

4. The auxiliary fixture for metal welding that facilitates precise positioning according to claim 3, characterized in that: A guide block (12) is installed between the top ends of the threaded rod (9) and the guide rod (11); the top end of the threaded rod (9) is rotatably connected to the bottom surface of the guide block (12); and the guide block (12) is slidably arranged in the guide opening of the crossbeam.

5. The auxiliary fixture for metal welding that facilitates accurate positioning according to claim 2, characterized in that: A lead screw (15) is installed in each of the slides, one end of the lead screw (15) is coaxially connected to a second servo motor (14), and the second servo motor (14) is installed on a side surface of the base (1); the other end of the lead screw (15) is rotatably connected to the inner wall of the slide via a bearing (16), and the moving block (13) is provided with a through screw hole transversely cooperating with the lead screw (15).

6. The auxiliary fixture for metal welding that facilitates accurate positioning according to claim 3, characterized in that: Anti-slip rubber strips (17) are fixedly connected to the inner curved surfaces of the arc-shaped pressing block (3), the arc-shaped supporting block (4) and the arc-shaped clamping plate (7).

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