Workpiece clamp for machining and producing sheet metal parts

Abstract

The utility model relates to the technical field of sheet metal part processing, in particular to a workpiece clamp for sheet metal part processing and production, which comprises a base, a clamping plate, a clamping mechanism and an adjusting mechanism, the clamping plate is connected to the base; the clamping mechanism is connected to the clamping plate and used for clamping a sheet metal part to be machined. The adjusting mechanism is connected to the base and used for adjusting the clamping distance. The clamping mechanism comprises a movable plate and a fixed plate; the movable plate is movably connected to the clamping plate and used for clamping or loosening. The fixed plate is fixedly connected to the clamping plate and used for being matched with the movable plate for clamping. By arranging the worm, the worm wheel can be driven to rotate when the worm is controlled by the first motor to rotate, then the first rotating shaft is driven to rotate, the worm and the worm wheel have self-locking performance, the L-shaped movable plate can be driven to rotate, and the clamping purpose is achieved when the movable plate rotates towards the fixed plate.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal processing, in particular to a workpiece clamp used for sheet metal processing production. Background Art

[0002] A fixture is a device used to fix the object to be processed in the mechanical manufacturing process so that it occupies the correct position for construction or inspection. It is also called a clamp. In a broad sense, any device used to quickly, conveniently and safely install the workpiece in any process in the process can be called a fixture.

[0003] After searching, the Chinese patent with announcement number: CN212192836U discloses a clamp for sheet metal processing, including a base, both sides of the upper surface of the base are fixedly connected with connecting side plates, the connecting side plates on both sides are provided with slide grooves, the upper ends of the inner parts of the slide grooves on both sides are fixedly connected with fixed blocks, the inner parts of the fixed blocks on both sides are penetrated with first screw rods, the first screw rods on both sides are threadedly connected with the fixed blocks, the lower ends of the first screw rods on both sides are rotatably connected with sliders, one side of the sliders on both sides is fixedly connected with the first connecting block, and the inner parts of the first connecting blocks on both sides are penetrated with second screw rods. When the utility model is used, the two sides of the sheet metal are clamped by the cylinder and the clamping head, and the upper surface of the sheet metal can be clamped and fixed by the coordinated arrangement of the second screw rod, the first connecting block, the abutment block and the rubber layer, and the clamping effect of the sheet metal is better by clamping the two sides and the upper surface of the sheet metal respectively.

[0004] However, the clamps in the prior art have general adjustability when in use. Although they can fix sheet metal parts, they cannot adapt to workpieces with more gears, and their practicality is poor. Utility Model Content

[0005] The purpose of the utility model is to provide a workpiece fixture for sheet metal processing and production to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a workpiece fixture for sheet metal processing and production, comprising: a base, a clamping plate, a clamping mechanism and an adjusting mechanism;

[0007] The clamping plate is connected to the base;

[0008] The clamping mechanism is connected to the clamping plate and is used to clamp the sheet metal part to be processed;

[0009] The adjustment mechanism is connected to the base and is used to adjust the clamping distance;

[0010] The clamping mechanism comprises: a movable plate and a fixed plate;

[0011] The movable plate is movably connected to the clamping plate for clamping or loosening;

[0012] The fixed plate is fixedly connected to the clamping plate and is used for clamping with the movable plate.

[0013] Preferably, a first rotating shaft passes through the clamping plate and is rotatably connected via a bearing, the first rotating shaft is fixedly connected to the movable plate, and the movable plate is slidably connected to the outer wall of the clamping plate. By providing the first rotating shaft, the L-shaped movable plate can be driven to rotate under the drive of the first rotating shaft, and the clamping purpose is achieved when the movable plate rotates toward the fixed plate.

[0014] Preferably, the clamping plate is fixedly connected to a first chassis, a first motor is installed inside the first chassis, a worm is fixedly connected to the output end of the first motor through a coupling, the worm is meshed with a worm wheel, and the worm wheel is fixedly connected to the first rotating shaft. By providing a worm, the worm wheel can be driven to rotate under the control of the first motor, thereby driving the rotation of the first rotating shaft, and the worm and the worm wheel are self-locking, which can achieve a stable clamping effect.

[0015] Preferably, the adjustment mechanism comprises: a mounting plate, the mounting plate is fixedly connected to the bottom of the clamping plate, the bottom of the mounting plate is fixedly connected to two slide plates, the two slide plates are symmetrically slidably connected to two slide grooves provided on the base and are of the same size. The slide plates are provided to facilitate displacement.

[0016] Preferably, a toothed plate is fixedly connected to the bottom of the mounting plate, the toothed plate is meshedly connected to a gear, the gear is fixedly connected to a second rotating shaft, the second rotating shaft is fixedly connected to a second motor via a coupling, and the second motor is fixedly connected to the inside of the base. By providing a toothed plate, the gear is driven to rotate under the rotation of the second rotating shaft, thereby driving the two toothed plates to move closer to or away from each other, thereby achieving the purpose of controlling the distance between the two clamping plates, and being able to better adapt to sheet metal parts of different sizes.

[0017] Preferably, there are two clamping mechanisms, which are symmetrically arranged.

[0018] Preferably, the number of the mounting plates and the number of the tooth plates are two respectively, and the number of the slide plates is four.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. By setting a worm, the rotation of the worm controlled by the first motor can drive the worm wheel to rotate, thereby driving the rotation of the first rotating shaft, and the worm and the worm wheel have self-locking properties, which can drive the L-shaped movable plate to rotate, and the clamping purpose is achieved when the movable plate rotates toward the fixed plate;

[0021] 2. By setting a tooth plate, the gear is driven to rotate under the rotation of the second shaft, and then the two tooth plates are driven to move closer to or away from each other, thereby achieving the purpose of controlling the distance between the two clamping plates, and being able to better adapt to sheet metal parts of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the front structure of the utility model;

[0024] Figure 3 It is a schematic diagram of the structure of the utility model;

[0025] Figure 4 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0026] In the figure: 1. base; 2. clamping plate; 3. clamping mechanism; 301. first chassis; 302. worm; 303. worm wheel; 304. first rotating shaft; 305. movable plate; 306. fixed plate; 4. adjusting mechanism; 401. mounting plate; 402. slide plate; 403. second rotating shaft; 404. gear; 405. tooth plate. DETAILED DESCRIPTION

[0027] 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.

[0028] like Figure 1-4 As shown, a workpiece fixture for sheet metal processing production includes: a base 1, a clamping plate 2, a clamping mechanism 3 and an adjusting mechanism 4;

[0029] The clamping plate 2 is connected to the base 1;

[0030] The clamping mechanism 3 is connected to the clamping plate 2 and is used to clamp the sheet metal part to be processed;

[0031] The adjustment mechanism 4 is connected to the base 1 and is used to adjust the clamping distance;

[0032] The clamping mechanism 3 includes: a movable plate 305 and a fixed plate 306;

[0033] The movable plate 305 is movably connected to the clamping plate 2 for clamping or loosening;

[0034] The fixed plate 306 is fixedly connected to the clamping plate 2 to cooperate with the movable plate 305 for clamping.

[0035] like Figure 1-4 As shown, a first rotating shaft 304 passes through the clamping plate 2 and is rotatably connected through a bearing, the first rotating shaft 304 is fixedly connected to the movable plate 305, and the movable plate 305 is slidably connected to the outer wall of the clamping plate 2. By providing the first rotating shaft 304, the L-shaped movable plate 305 can be driven to rotate under the drive of the first rotating shaft 304, and the clamping purpose is achieved when the movable plate 305 rotates toward the fixed plate 306.

[0036] like Figure 1-4 As shown, the clamping plate 2 is fixedly connected with a first chassis 301, a first motor is installed inside the first chassis 301, a worm 302 is fixedly connected to the output end of the first motor through a coupling, the worm 302 is meshedly connected with a worm wheel 303, and the worm wheel 303 is fixedly connected to a first rotating shaft 304. By providing the worm 302, the worm wheel 303 can be driven to rotate under the control of the first motor to rotate the worm 302, thereby driving the rotation of the first rotating shaft 304, and the worm 302 and the worm wheel 303 are self-locking, which can achieve a stable clamping effect.

[0037] like Figure 1-4 As shown, the adjustment mechanism 4 includes: a mounting plate 401, the mounting plate 401 is fixedly connected to the bottom of the clamping plate 2, and two slide plates 402 are fixedly connected to the bottom of the mounting plate 401, and the two slide plates 402 are symmetrically slidably connected to two slide grooves opened on the base 1 and are of the same size. The slide plates 402 are provided to facilitate displacement.

[0038] like Figure 1-4 As shown, a tooth plate 405 is fixedly connected to the bottom of the mounting plate 401, and the tooth plate 405 is meshedly connected to a gear 404, and the gear 404 is fixedly connected to a second rotating shaft 403, and the second rotating shaft 403 is fixedly connected to a second motor through a coupling, and the second motor is fixedly connected to the inside of the base 1. By providing the tooth plate 405, the gear 404 is driven to rotate under the rotation of the second rotating shaft 403, and then the two tooth plates 405 are driven to approach or move away from each other, thereby achieving the purpose of controlling the distance between the two clamping plates 2, and being able to better adapt to sheet metal parts of different sizes.

[0039] like Figure 1-3 As shown, there are two clamping mechanisms 3, which are symmetrically arranged.

[0040] like Figure 1-2 As shown, the number of mounting plates 401 and tooth plates 405 is two respectively, and the number of slide plates 402 is four.

[0041] Furthermore, in the present embodiment, the first motor and the second motor are both connected to a control switch. The above electric control technologies are all prior art and are not the main innovation of the present application, and are not described in detail herein.

[0042] The working principle of the utility model is as follows:

[0043] By controlling the start of the first motor, the operation of the first motor controls the rotation of the worm 302, which can drive the rotation of the worm wheel 303, and then drive the rotation of the first rotating shaft 304, and the worm 302 and the worm wheel 303 are self-locking, which can achieve a stable clamping effect. By controlling the start of the second motor, the operation of the second motor drives the two tooth plates 405 to move closer to or away from each other, thereby achieving the purpose of controlling the distance between the two clamping plates 2, and can better adapt to sheet metal parts of different sizes.

[0044] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A workpiece fixture for sheet metal processing, characterized in that: include: A base (1), a clamping plate (2), a clamping mechanism (3) and an adjustment mechanism (4); The clamping plate (2) is connected to the base (1); The clamping mechanism (3) is connected to the clamping plate (2) and is used to clamp the sheet metal part to be processed; The adjustment mechanism (4) is connected to the base (1) and is used to adjust the clamping distance; The clamping mechanism (3) comprises: a movable plate (305) and a fixed plate (306); The movable plate (305) is movably connected to the clamping plate (2) and is used for clamping or loosening; The fixed plate (306) is fixedly connected to the clamping plate (2) and is used to cooperate with the movable plate (305) for clamping.

2. The workpiece fixture for sheet metal processing according to claim 1, characterized in that: A first rotating shaft (304) passes through the clamping plate (2) and is rotatably connected via a bearing. The first rotating shaft (304) is fixedly connected to a movable plate (305), and the movable plate (305) is slidably connected to the outer wall of the clamping plate (2).

3. The workpiece fixture for sheet metal processing according to claim 2 is characterized in that: A first chassis (301) is fixedly connected to the clamping plate (2), a first motor is installed inside the first chassis (301), an output end of the first motor is fixedly connected to a worm (302) via a coupling, the worm (302) is meshingly connected to a worm wheel (303), and the worm wheel (303) is fixedly connected to a first rotating shaft (304).

4. The workpiece fixture for sheet metal processing according to claim 3 is characterized in that: The adjustment mechanism (4) comprises: a mounting plate (401), the mounting plate (401) being fixedly connected to the bottom of the clamping plate (2), the bottom of the mounting plate (401) being fixedly connected to two slide plates (402), the two slide plates (402) being symmetrically slidably connected in two slide grooves provided on the base (1) and having matching sizes.

5. The workpiece fixture for sheet metal processing according to claim 4, characterized in that: A toothed plate (405) is fixedly connected to the bottom of the mounting plate (401), the toothed plate (405) is meshingly connected to a gear (404), the gear (404) is fixedly connected to a second rotating shaft (403), the second rotating shaft (403) is fixedly connected to a second motor via a coupling, and the second motor is fixedly connected to the inside of the base (1).

6. The workpiece fixture for sheet metal processing according to claim 5, characterized in that: The number of the clamping mechanisms (3) is two and they are symmetrically arranged.

7. The workpiece fixture for sheet metal processing according to claim 6, characterized in that: The number of the mounting plates (401) and the number of the tooth plates (405) are two respectively, and the number of the sliding plates (402) is four.

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