Clamp for metal piece machining

Abstract

The utility model relates to the technical field of clamps, and discloses a clamp for metal piece machining, which comprises a workbench, an air cylinder is fixedly connected inside the workbench, the lower surface of the workbench is fixedly connected with the air cylinder, the output end of the air cylinder is fixedly connected with a connecting piece, and the top of the connecting piece is fixedly connected with a sliding plate. A clamping assembly is arranged on the upper surface of the sliding plate and used for clamping and fixing a workpiece, a guiding assembly is arranged on the lower surface of the sliding plate and used for guiding movement of the sliding plate, a first rack is fixedly connected to the lower surface of the sliding plate, and a gear is rotationally connected to the interior of the sliding plate. The first rack is meshed with the gear, a second rack is slidably connected to the interior of the rack, and the gear is meshed with the second rack. According to the clamp, the workpiece can be effectively fixed in the clamp, displacement or looseness of the workpiece in the machining process is avoided, and machining precision and safety are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, especially relates to a clamp for metal piece machining. BACKGROUND

[0002] With the continuous development of metal piece machining technology and the improvement of precision requirement, how to effectively clamp workpieces during machining has become a key factor to improve machining quality and efficiency. Traditional fixtures often face problems such as unstable clamping and workpiece loosening when clamping workpieces, especially during high-precision machining, the stability of workpieces is crucial. In order to ensure machining precision, the design of the fixture must be able to achieve accurate and firm fixation.

[0003] Traditional fixtures for metal piece machining are used to fix and support workpieces, ensuring the stability and precision of workpieces during machining. When using, first, the appropriate fixture type needs to be selected to ensure that it matches the shape, size and machining requirements of the workpiece. Then, the fixture should be correctly installed according to the needs of the machining process, ensuring that the workpiece can be firmly clamped and not deformed. The operator should pay attention to adjusting the clamping force to avoid excessive clamping that damages the workpiece, while ensuring the appropriate gap between the fixture and the machining tool. During the machining process, the fixation of the fixture should be checked regularly, and fine-tuning or replacement should be performed as needed to ensure machining precision and safety.

[0004] Most existing fixtures for metal piece machining rely on manual or mechanical devices to clamp workpieces, using traditional structures such as screws and buckles to complete the clamping work, providing sufficient stable clamping force during machining. Especially during high-precision machining, workpieces are prone to looseness, displacement and other situations, leading to decreased machining precision and potential safety hazards. SUMMARY

[0005] To make up for the above shortcomings, the utility model provides a fixture for metal piece machining, aiming to improve the existing fixture for metal piece machining and provide sufficient stable clamping force during machining. Especially during high-precision machining, workpieces are prone to looseness, displacement and other situations, leading to decreased machining precision and potential safety hazards.

[0006] To achieve the above object, the utility model provides a kind of clamp for metal piece processing, including workbench, the inside fixed connection of workbench, the lower surface fixed connection of the lower surface fixed connection of the output end fixed connection of the connecting piece of cylinder, the top fixed connection of the connecting piece, the upper surface of the sliding plate is provided with clamping assembly, the clamping assembly is used to clamp and fix workpiece, the lower surface of the sliding plate is provided with guide assembly, the guide assembly is used to guide the movement of sliding plate, the lower surface fixed connection of the sliding plate is rack one, the inside rotatably connected gear, the rack one is engaged with gear, the inside sliding connection has rack two, the gear is engaged with rack two.

[0007] The clamping assembly includes a fixed seat, the lower surface of the fixed seat is fixedly connected to the upper surface of the sliding plate, the lower surface of the fixed seat is fixedly connected to a fixed plate, and the outer wall of the fixed plate is provided with a clamp.

[0008] Further, the guide assembly includes a sliding block, the upper surface of the sliding block is fixedly connected to the lower surface of the sliding plate, and the inside of the sliding block is slidingly connected to a sliding rail.

[0009] Further, the outer wall of the clamp is fixedly connected to a gasket, the inside of the clamp is fixedly connected to a rotating sleeve, the inside of the rotating sleeve is provided with a reset assembly, and the reset assembly is used to reset the torsion spring.

[0010] Further, the reset assembly includes a bearing, the outer ring of the bearing is fixedly connected to the inside of the rotating sleeve, the inner ring of the bearing is fixedly connected to a fixed shaft, and the outer wall of the fixed shaft is sleeved with a torsion spring.

[0011] Further, the lower surface of the sliding rail is fixedly connected to the inside, and the sliding rail is used to guide the movement of the sliding block.

[0012] Further, one end of the torsion spring is fixedly connected to the inside of the fixed plate, and the other end of the torsion spring is fixedly connected to the inner wall of the rotating sleeve.

[0013] Further, both ends of the fixed shaft are fixedly connected to the inside of the fixed plate, and the fixed shaft is used to guide the torsion of the rotating sleeve.

[0014] Further, both ends of the rotating sleeve are rotatably connected to the inside of the fixed plate, and the rotating sleeve is used to drive the clamp to rotate and adjust.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model discloses a stable clamping to workpiece can be realized through the synergies of air cylinder drive connecting piece, sliding plate, rack and pinion, the sliding plate of clamp both sides can realize accurate relative movement through the meshing of rack and pinion, thereby ensure the firm fixation of workpiece in the processing, when the gasket is contacted with workpiece, can effectively fix workpiece in the clamp, avoid the displacement or slackness of workpiece in the processing, improve the processing accuracy and security.

[0017] 2. The utility model discloses through the rotation adjustment of the rotation sleeve drive clamp, ensure that the clamp can be adapted to the shape and size of workpiece automatically, in addition, when clamping workpiece, the clamp will also drive torsional spring to carry out elastic torsion, guarantee that the clamp has enough flexibility in the adaptation process, and the torsional spring is no longer stressed to rebound after the clamp is fixed, ensure that the clamp can reset in time, thereby realize flexible clamping and efficient fixation to various types workpiece. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A kind of metal piece processing clamp's three-dimensional structure schematic diagram is proposed for the utility model;

[0019] Figure 2 A kind of metal piece processing clamp's workbench internal structure schematic diagram is proposed for the utility model;

[0020] Figure 3 A kind of metal piece processing clamp's fixed plate structure schematic diagram is proposed for the utility model;

[0021] Figure 4 A kind of metal piece processing clamp's fixed plate internal structure schematic diagram is proposed for the utility model.

[0022] Legend:

[0023] 1, workbench;2, fixed plate;3, air cylinder;4, connecting piece;5, sliding plate;6, rack one;7, gear;8, rack two;9, sliding block;10, slide rail;11, fixed seat;12, fixed plate;13, clamp;14, fixed shaft;15, bearing;16, rotation sleeve;17, torsional spring;18, gasket. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Refer toFigure 1 Figure 3 The utility model provides a kind of clamp for metal piece processing in an embodiment provided by the utility model: a workbench 1, the inside fixed connection of workbench 1 is 2, the lower surface fixed connection of 2 is cylinder 3, the output end fixed connection of cylinder 3 is connecting piece 4, the top fixed connection of connecting piece 4 is sliding plate 5, the upper surface of sliding plate 5 is provided with clamping assembly, clamping assembly is used to clamping fixed workpiece, the lower surface of sliding plate 5 is provided with guide assembly, guide assembly is used to the movement of sliding plate 5 is oriented, the lower surface fixed connection of sliding plate 5 is rack one 6, 2 is rotatably connected gear 7 in the inside, rack one 6 is engaged with gear 7, the inside sliding connection of 2 is rack two 8, gear 7 is engaged with rack two 8,

[0026] Clamping assembly includes fixed seat 11, the lower surface fixed connection of fixed seat 11 is in the upper surface of sliding plate 5, the lower surface fixed connection of fixed seat 11 is fixed plate 12, fixed plate 12 the outer wall one side of outside wall is provided with clamp 13, guide assembly includes sliding block 9, the upper surface fixed connection of sliding block 9 is in the lower surface of sliding plate 5, the inside sliding connection of sliding block 9 is slide rail 10.

[0027] Specifically, first, workpiece is placed on the upper surface of workbench 1, then, start cylinder 3, drive connecting piece 4 moves along predetermined trajectory, in turn drive the movement of sliding plate 5, the movement of sliding plate 5 makes the displacement of one side rack one 6, the meshing relationship between rack one 6 and gear 7 makes gear 7 rotate with the movement of rack one 6, simultaneously drive the corresponding movement of other side rack two 8, rack two 8 makes the other side sliding plate 5 also move with the rotation of gear 7 by the meshing relationship with gear 7, by this way, both sides sliding plate 5 realizes synchronous movement, in turn push clamp 13 to move relatively, at this time, clamp 13 clamps and fixes workpiece stably, ensure the stability and accuracy of workpiece in the process of machining, clamp 13 can accurately, stably complete workpiece clamping work, avoid the displacement or loosening of workpiece in the process of machining.

[0028] Refer to Figure 1 And Figure 4 ​The outer wall side of the clamp 13 is fixedly connected with a gasket 18, the inside of the clamp 13 is fixedly connected with a rotating sleeve 16, the inside of the rotating sleeve 16 is provided with a reset assembly, the reset assembly is used for driving the torsional spring 17 to reset, the reset assembly comprises a bearing 15, the outer ring of the bearing 15 is fixedly connected in the inside of the rotating sleeve 16, the inner ring of the bearing 15 is fixedly connected with a fixed shaft 14, the outer wall of the fixed shaft 14 is sleeved with the torsional spring 17, the lower surface of the sliding rail 10 is fixedly connected in the inside of 2, the sliding rail 10 is used for guiding the movement of the sliding block 9, one end of the torsional spring 17 is fixedly connected in the inside of the fixed plate 12, the other end of the torsional spring 17 is fixedly connected with the inner wall of the rotating sleeve 16, both ends of the fixed shaft 14 are fixedly connected in the inside of the fixed plate 12, the fixed shaft 14 is used for guiding the torsion of the rotating sleeve 16, both ends of the rotating sleeve 16 are rotatably connected in the inside of the fixed plate 12, and the rotating sleeve 16 is used for driving the clamp 13 to rotate and adjust.

[0029] Specifically, when the clamp 13 moves, the gasket 18 will be in contact with the workpiece, so that the workpiece is clamped and fixed. With the action of the workpiece supporting force, the clamp 13 rotates and adjusts around the rotating sleeve 16 as the center, so that the clamp 13 can adapt to the appearance and shape of different workpieces. In particular, in the process of rotating the clamp 13, the rotating sleeve 16 further drives the torsional spring 17 to twist. Not only does it provide flexibility during the adjustment process, but also ensures that the clamp 13 can accurately adapt to the needs of different workpieces. The torsional spring 17 is no longer stressed after the clamp 13 fixes the workpiece, so it no longer twists. The process of returning to the original position helps the clamp 13 to realize the reset function. It can efficiently and flexibly clamp and fix workpieces of different shapes and sizes, greatly improving the adaptability and stability of workpiece clamping.

[0030] Working principle: when the clamp for metal part machining is needed, first, the workpiece is placed on the upper surface of the workbench 1, then the cylinder 3 is started to drive the connecting piece 4 to move, thereby driving the sliding plate 5 at one end to move through the connecting piece 4, and the movement of the sliding plate 5 also drives the rack one 6 on one side to move, and then the rack one 6 drives the gear 7 to move through the meshing relationship between the rack one 6 and the gear 7, and then the rack two 8 drives the other side sliding plate 5 to move through the meshing relationship between the gear 7 and the rack two 8, so that the two sides of the sliding plate 5 drive the clamp 13 to move relatively, thereby realizing the clamping and fixing of the workpiece.

[0031] In addition, when the clamp 13 moves, the gasket 18 is in contact with the workpiece to clamp and fix, then through the support force of the workpiece, the clamp 13 is rotated and adjusted with the rotating sleeve 16 as the center, so that the clamp 13 can adapt to workpieces with different appearances, in addition, when the clamp 13 rotates, the torsion spring 17 is twisted through the rotating sleeve 16, when the clamp 13 fixes the workpiece, the torsion spring 17 is no longer stressed to rebound, so as to drive the clamp 13 to reset, realizing the clamping and fixing of different workpieces.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application is made with reference to the foregoing embodiments, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of the present application.

Claims

1. A jig for processing a metal piece, comprising a table (1), characterized in that: The inside of the workbench (1) is fixedly connected with (2), the lower surface of (2) is fixedly connected with air cylinder (3), the output end of air cylinder (3) is fixedly connected with connecting piece (4), the top of connecting piece (4) is fixedly connected with sliding plate (5), the upper surface of sliding plate (5) is provided with clamping assembly, the clamping assembly is used for clamping and fixing workpiece, the lower surface of sliding plate (5) is provided with guide assembly, the guide assembly is used for guiding the movement of sliding plate (5), the lower surface of sliding plate (5) is fixedly connected with rack one (6), the inside of (2) is rotatably connected with gear (7), rack one (6) is engaged with gear (7), the inside of (2) is slidably connected with rack two (8), gear (7) is engaged with rack two (8). The clamping assembly comprises a fixed seat (11), the lower surface of the fixed seat (11) is fixedly connected to the upper surface of the sliding plate (5), the lower surface of the fixed seat (11) is fixedly connected with a fixed plate (12), one side of the outer wall of the fixed plate (12) is provided with a clamp (13).

2. The jig for processing a metal piece according to claim 1, characterized in that: The guide assembly comprises a sliding block (9), the upper surface of the sliding block (9) is fixedly connected to the lower surface of the sliding plate (5), the inside of the sliding block (9) is slidably connected with a sliding rail (10).

3. The jig for processing a metal piece according to claim 1, characterized in that: The outer wall of the clamp (13) is fixedly connected with a gasket (18), the inside of the clamp (13) is fixedly connected with a rotating sleeve (16), the inside of the rotating sleeve (16) is provided with a reset assembly, the reset assembly is used to reset the torsion spring (17).

4. The jig for processing a metal piece according to claim 3, characterized in that: The reset assembly comprises a bearing (15), the outer ring of the bearing (15) is fixedly connected to the inside of the rotating sleeve (16), the inner ring of the bearing (15) is fixedly connected with a fixed shaft (14), the outer wall of the fixed shaft (14) is sleeved with a torsion spring (17).

5. The clamp for processing a metal piece according to claim 2, wherein: The lower surface of the sliding rail (10) is fixedly connected to the inside of (2), and the sliding rail (10) is used for guiding the movement of the sliding block (9).

6. The clamp for processing a metal piece according to claim 4, wherein: One end of the torsion spring (17) is fixedly connected to the inside of the fixed plate (12), the other end of the torsion spring (17) is fixedly connected to the inner wall of the rotating sleeve (16).

7. The clamp for processing a metal piece according to claim 4, wherein: Both ends of the fixed shaft (14) are fixedly connected to the inside of the fixed plate (12), and the fixed shaft (14) is used for guiding the torsion of the rotating sleeve (16).

8. The clamp for processing a metal piece according to claim 4, wherein: Both ends of the rotating sleeve (16) are rotatably connected to the inside of the fixed plate (12), and the rotating sleeve (16) is used to drive the clamp (13) to rotate and adjust.

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