Positioner clamp for welding and polishing

Abstract

The utility model relates to the technical field of welding and polishing, in particular to a positioner clamp for welding and polishing, which can be adjusted in height through screwing movement and adjusted in angle through movable jacking so as to adapt to corresponding special-shaped workpieces and required angle clamping requirements, and the practicability is improved. Comprising an outer frame, a threaded rod, a screwing disc, a sliding rail, a sliding block, a threaded sleeve, a first connecting frame, a restraining rod, a movable lantern ring, a jacking threaded sleeve, a jacking threaded rod, a jacking screwing handle, a second connecting frame, a fixed clamp, a clamp air cylinder and a movable clamp. The inner wall of each set of jacking threaded sleeve is in threaded connection with the outer wall of a set of jacking threaded rod, the top end of each set of jacking threaded rod is connected with the middle of the bottom end of a set of jacking screwing hand, the front sides of the two sets of movable lantern rings are connected with the rear side of a second connecting frame, the lower side of the second connecting frame is connected with a fixed clamp, and the front side of the second connecting frame is connected with a clamp air cylinder. The output end of the clamp cylinder is connected with a movable clamp.

Description

Technical Field

[0001] The utility model relates to the technical field of welding and grinding, in particular to a positioner clamp for welding and grinding. Background Art

[0002] Welding, also known as fusion, is a manufacturing process and technology that joins metals or other thermoplastic materials such as plastics by heating, high temperature or high pressure.

[0003] The welding process includes the grinding process of the welding point, which is generally provided with a corresponding positioner clamp to assist in clamping. There is currently a positioner clamp for welding and grinding with Chinese patent publication number CN217167242U, which effectively solves the problem that the existing positioner clamps for welding and grinding on the market cannot be individually controlled according to the shape of the workpiece. While ensuring stable clamping, the debris generated by grinding can be removed from the workpiece surface in time.

[0004] However, this structure has a limited range of clampable parts, is difficult to meet the needs of special-shaped clamps, and is not practical enough. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a welding and grinding positioner clamp that can be adjusted in height through active screw mounting and in angle through active tightening, thereby adapting to corresponding special-shaped workpieces and required angle clamping requirements and improving practicality.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a positioner fixture for welding and grinding, comprising an outer frame, a threaded rod, a screw disk, a slide rail, a slider, a threaded sleeve, a connecting frame 1, a restraining rod, a movable collar, a tightening screw sleeve, a tightening screw, a tightening wrench, a connecting frame 2, a fixed fixture, a fixture cylinder and a movable fixture, the outer frame is vertically rotatably connected with the threaded rod, the top of the threaded rod is connected to the middle of the bottom end of the screw disk, the inner rear side of the outer frame is connected to the rear side of the slide rail, the outer side of the slide rail is slidably connected to the rear side of the slider, the inner side of the slider is vertically connected with the threaded sleeve, and the inner wall of the threaded sleeve is connected to the threaded sleeve The outer wall of the threaded rod is screwed, and the front end of the slider is connected to the middle part of the rear end of the constraint rod through the connecting frame 1. The outer side of the constraint rod is movably connected to the inner sides of two groups of movable collars. The middle of the top of each group of movable collars is respectively connected to the bottom end of a group of tightening screw sleeves. The inner wall of each group of tightening screw sleeves is respectively screwed to the outer wall of a group of tightening screws. The top of each group of tightening screws is respectively connected to the middle part of the bottom end of a group of tightening wrenches. The front sides of the two groups of movable collars are connected to the rear side of the connecting frame 2. The lower side of the connecting frame 2 is connected to a fixed clamp, the front side of the connecting frame 2 is connected to a clamp cylinder, and the output end of the clamp cylinder is connected to a movable clamp.

[0009] Preferably, it also includes a connecting piece, a spring, a clamping plate and a clamping ring, the outer side of the upper part of the threaded rod is connected to the inner side of the clamping ring, the middle and rear side of the top end of the outer frame is connected to the bottom end of the connecting piece, and the front side of the connecting piece is connected to the rear side of the clamping plate via a spring.

[0010] Preferably, it also includes a sliding sleeve, a sliding rod and a pull tab, the middle part of the connecting piece is connected to the outer side of the sliding sleeve, the inner wall of the sliding sleeve is slidably connected to the outer wall of the sliding rod, the front end of the sliding rod is connected to the middle part of the rear end of the card plate, and the rear end of the sliding rod is connected to the middle part of the front end of the pull tab.

[0011] Preferably, it further comprises contact pads, and a group of contact pads are respectively connected to the inner sides of the fixed clamp and the movable clamp.

[0012] Preferably, it also includes an oiling nozzle, wherein the front side of the top end of the sliding block is provided with an oiling nozzle, and the output end of the oiling nozzle is connected to the inner wall of the threaded sleeve.

[0013] Preferably, it also includes an oil filling cap, and the outer side of the oil filling nozzle and the inner side of the oil filling cap are detachably mounted.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the utility model provides a positioner fixture for welding and grinding, which has the following features:

[0016] Beneficial effects:

[0017] According to the orientation of the clamped workpiece, the threaded rod is rotated by turning the screw disk, and the threaded rod is threadedly matched with the threaded sleeve to make the slider slide vertically on the outside of the slide rail, and is self-locked and fixed at the corresponding position by the threaded rod and the threaded sleeve. Then, two sets of movable rings are moved on the outside of the constraint rod, and the fixed clamp, the clamp cylinder and the movable clamp are correspondingly offset through the connecting frame. In the corresponding orientation, the tightening screw is turned by turning the tightening hand, and the tightening screw is threadedly matched with the tightening sleeve to act inward on the outside of the constraint rod to tighten, thereby fixing it at this angle. Then, the clamp cylinder acts on the movable clamp to clamp the workpiece with the fixed clamp. The height can be adjusted through the screw activity, and the angle can be adjusted through the movable tightening, so as to adapt to the corresponding special-shaped workpieces and the required angle clamping requirements, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is an axial view of the schematic diagram of the structure of the utility model;

[0019] Figure 2 For this utility model Figure 1 Left view of

[0020] Figure 3 For this utility model Figure 1 Front view of

[0021] Figure 4 For this utility model Figure 1 Top view of .

[0022] Markings in the attached drawings: 1. outer frame; 2. threaded rod; 3. screw plate; 4. slide rail; 5. slider; 6. threaded sleeve; 7. connecting frame 1; 8. restraining rod; 9. movable collar; 10. tightening screw sleeve; 11. tightening screw; 12. tightening wrench; 13. connecting frame 2; 14. fixed clamp; 15. clamp cylinder; 16. movable clamp; 17. connecting piece; 18. spring; 19. clamp plate; 20. retaining ring; 21. sliding sleeve; 22. sliding rod; 23. pull tab; 24. contact pad; 25. oiling nozzle; 26. oiling cap. DETAILED DESCRIPTION

[0023] 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.

[0024] Example

[0025] See also Figure 1-4The positioner fixture for welding and grinding includes an outer frame 1, a threaded rod 2, a screw plate 3, a slide rail 4, a slider 5, a threaded sleeve 6, a connecting frame 7, a restraining rod 8, a movable collar 9, a tightening screw sleeve 10, a tightening screw rod 11, a tightening screw hand 12, a connecting frame 2 13, a fixed fixture 14, a fixture cylinder 15 and a movable fixture 16. The outer frame 1 is vertically rotatably connected with the threaded rod 2, the top of the threaded rod 2 is connected to the middle of the bottom end of the screw plate 3, the inner rear side of the outer frame 1 is connected to the rear side of the slide rail 4, and the outer side of the slide rail 4 is connected to the outer side of the screw plate 3. The slider 5 is slidably connected at the rear side, and a threaded sleeve 6 is vertically connected inside the slider 5. The inner wall of the threaded sleeve 6 is screwed to the outer wall of the threaded rod 2. The front end of the slider 5 is connected to the middle of the rear end of the constraint rod 8 through a connecting frame 7. The outer side of the constraint rod 8 is movably connected to the inner side of two groups of movable collars 9. The middle of the top of each group of movable collars 9 is respectively connected to the bottom end of a group of tightening screw sleeves 10. The inner wall of each group of tightening screw sleeves 10 is respectively screwed to the outer wall of a group of tightening screws 11. The top of each group of tightening screws 11 is respectively connected to a group of top The middle part of the bottom end of the tightening hand 12 is connected, the front side of the two sets of movable rings 9 is connected to the rear side of the connecting frame 13, the lower side of the connecting frame 13 is connected with a fixed clamp 14, the front side of the connecting frame 13 is connected with a clamp cylinder 15, and the output end of the clamp cylinder 15 is connected with a movable clamp 16; according to the orientation of the clamped workpiece, the screw plate 3 is turned to rotate the threaded rod 2, and the threaded rod 2 is screwed with the threaded sleeve 6 to make the slider 5 slide vertically on the outside of the slide rail 4, and the threaded rod 2 and the threaded sleeve 6 are screwed at the corresponding position. The thread is self-locking and fixed, and then two sets of movable rings 9 are moved on the outside of the constraint rod 8, and the fixed clamp 14, the clamp cylinder 15 and the movable clamp 16 are connected through the connecting frame 13 and offset accordingly, and in the corresponding orientation, the tightening hand 12 is turned to rotate the tightening screw 11, and the tightening screw 11 is threadedly matched with the tightening screw sleeve 10 to act inward on the outside of the constraint rod 8 to tighten, so as to fix it at this angle, and then the clamp cylinder 15 acts on the movable clamp 16 to move, and cooperate with the fixed clamp 14 to clamp the workpiece.

[0026] It also includes a connecting piece 17, a spring 18, a clamping plate 19 and a clamping ring 20. The outer side of the upper part of the threaded rod 2 is connected to the inner side of the clamping ring 20, the middle and rear side of the top end of the outer frame 1 is connected to the bottom end of the connecting piece 17, and the front side of the connecting piece 17 is connected to the rear side of the clamping plate 19 via the spring 18. Under the connection of the connecting piece 17, the elastic action of the spring 18 can make the clamping plate 19 act forward on the clamping ring 20 to tighten it, thereby connecting the threaded rod 2 circumferentially and fixing it to improve stability.

[0027] It also includes a sliding sleeve 21, a sliding rod 22 and a pull tab 23. The middle part of the connecting piece 17 is connected to the outer side of the sliding sleeve 21, the inner wall of the sliding sleeve 21 is slidably connected to the outer wall of the sliding rod 22, the front end of the sliding rod 22 is connected to the middle part of the rear end of the clamping plate 19, and the rear end of the sliding rod 22 is connected to the middle part of the front end of the pull tab 23; by holding the pull tab 23, the sliding rod 22 can slide forward on the inner side of the sliding sleeve 21, and then the connecting clamping plate 19 moves forward to loosen the clamping ring 20.

[0028] It also includes contact pads 24. A group of contact pads 24 are respectively connected to the inner sides of the fixed clamp 14 and the movable clamp 16. The fixed clamp 14 and the movable clamp 16 can clamp and contact the workpiece through the contact pads 24 to avoid slipping and improve stability.

[0029] It also includes an oiling nozzle 25, which is arranged on the front side of the top of the slider 5, and the output end of the oiling nozzle 25 is connected to the inner wall of the threaded sleeve 6; oil can be injected into the inner wall of the threaded sleeve 6 through the oiling nozzle 25, which is convenient for lubrication and maintenance.

[0030] It also includes an oil filling cap 26, and the outer side of the oil filling nozzle 25 and the inner side of the oil filling cap 26 can be detachably installed; after the oil filling cap 26 is installed on the outer side of the oil filling nozzle 25, the inside of the oil filling nozzle 25 can be sealed and protected to improve reliability.

[0031] In summary, when the welding and grinding positioner clamp is in use, the slide bar 22 can be slid forward on the inner side of the slide sleeve 21 by holding the pull tab 23, and then the connecting clamping plate 19 is moved forward to loosen the clamping ring 20. According to the orientation of the clamped workpiece, the threaded rod 2 is rotated by twisting the screw plate 3, and the threaded rod 2 is screwed with the threaded sleeve 6 to make the slider 5 slide vertically on the outer side of the slide rail 4, and is fixed at the corresponding position by the threaded rod 2 and the threaded sleeve 6 thread self-locking, and under the connection of the connecting piece 17, the clamping plate 19 can act forward on the clamping ring 20 to tighten through the elastic action of the spring 18, and then the threaded rod 2 is connected and fixed circumferentially, and then the two groups of movable The collar 9 is connected to the fixed clamp 14, the clamp cylinder 15 and the movable clamp 16 through the connecting frame 13, and they are offset accordingly. In the corresponding position, the tightening screw 11 is rotated by turning the tightening wrench 12. The tightening screw 11 is threadedly matched with the tightening screw sleeve 10 to act inward on the outside of the constraint rod 8 to tighten it, so as to fix it at this angle. After that, the clamp cylinder 15 acts on the movable clamp 16 to move, and cooperates with the fixed clamp 14 to contact and clamp the workpiece through the contact pad 24. In addition, oil can be injected into the inner wall of the threaded sleeve 6 through the oiling nozzle 25, which is convenient for lubrication and maintenance. After the oiling cap 26 is installed on the outside of the oiling nozzle 25, the inside of the oiling nozzle 25 can be sealed and protected to improve reliability.

[0032] The clamp cylinder 15 is a well-known device purchased directly from the market by technicians in this field. We only use it here without making any structural or functional improvements to it, so we will not go into details here.

[0033] Although 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. Positioner fixture for welding and grinding, characterized in that: The invention comprises an outer frame (1), a threaded rod (2), a screw plate (3), a slide rail (4), a slider (5), a threaded sleeve (6), a first connecting frame (7), a restraining rod (8), a movable collar (9), a tightening screw sleeve (10), a tightening screw rod (11), a tightening screw handle (12), a second connecting frame (13), a fixed clamp (14), a clamp cylinder (15) and a movable clamp (16), wherein the outer frame (1) is vertically rotatably connected with the threaded rod (2), the top end of the threaded rod (2) is connected with the middle part of the bottom end of the screw plate (3), the inner rear side of the outer frame (1) is connected with the rear side of the slide rail (4), the outer side of the slide rail (4) is slidably connected with the rear side of the slider (5), the inner side of the slider (5) is vertically connected with the threaded sleeve (6), the inner wall of the threaded sleeve (6) is screwed with the outer wall of the threaded rod (2) The front end of the slider (5) is connected to the middle of the rear end of the constraint rod (8) through the connecting frame 1 (7), the outer side of the constraint rod (8) is movably connected to the inner side of the two groups of movable collars (9), the middle of the top end of each group of movable collars (9) is respectively connected to the bottom end of a group of tightening screw sleeves (10), the inner wall of each group of tightening screw sleeves (10) is respectively screwed to the outer wall of a group of tightening screw rods (11), the top of each group of tightening screw rods (11) is respectively connected to the middle of the bottom end of a group of tightening screw hands (12), the front side of the two groups of movable collars (9) is connected to the rear side of the connecting frame 2 (13), the lower side of the connecting frame 2 (13) is connected to a fixed clamp (14), the front side of the connecting frame 2 (13) is connected to a clamp cylinder (15), and the output end of the clamp cylinder (15) is connected to a movable clamp (16).

2. The positioner fixture for welding and grinding according to claim 1, characterized in that: It also comprises a connecting piece (17), a spring (18), a clamping plate (19) and a clamping ring (20); the outer side of the upper part of the threaded rod (2) is connected to the inner side of the clamping ring (20); the middle and rear side of the top end of the outer frame (1) is connected to the bottom end of the connecting piece (17); and the front side of the connecting piece (17) is connected to the rear side of the clamping plate (19) via the spring (18).

3. The positioner fixture for welding and grinding according to claim 2, characterized in that: It also includes a sliding sleeve (21), a sliding rod (22) and a pull tab (23), wherein the middle portion of the connecting piece (17) is connected to the outer side of the sliding sleeve (21), the inner wall of the sliding sleeve (21) is slidably connected to the outer wall of the sliding rod (22), the front end of the sliding rod (22) is connected to the middle portion of the rear end of the clamping plate (19), and the rear end of the sliding rod (22) is connected to the middle portion of the front end of the pull tab (23).

4. The positioner fixture for welding and grinding according to claim 1, characterized in that: It also comprises contact pads (24), and the inner sides of the fixed clamp (14) and the movable clamp (16) are respectively connected with a group of contact pads (24).

5. The positioner fixture for welding and grinding according to claim 1, characterized in that: It also comprises an oiling nozzle (25), which is arranged at the front side of the top end of the slider (5), and the output end of the oiling nozzle (25) is connected to the inner wall of the threaded sleeve (6).

6. The positioner fixture for welding and grinding according to claim 5, characterized in that: It also comprises an oil filling cap (26), and the outer side of the oil filling nozzle (25) and the inner side of the oil filling cap (26) are detachably mounted.

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