Adjustable clamp for shearing metal plate

Abstract

The utility model relates to the technical field of sheet metal processing, in particular to an adjustable clamp for sheet metal shearing, a shearing machine body comprises a pedestal and a shearing mechanism mounted on the top surface of the pedestal and close to the rear end, and a first shaft hole is formed in the center of a supporting plate; the clamping mechanisms are clamped on the top face of the supporting plate in pairs in a sliding mode in the transverse direction and located on the two sides of the rear portion of the first shaft hole. The top end of the gear center shaft is fixedly sleeved with the first shaft hole. The driving piece comprises a rack extending in the transverse direction and meshed with the rear end of the gear, a lead screw fixedly connected to the outer end of the rack in a butt joint mode and a threaded sleeve connected to the outer end of the lead screw in a threaded and sleeving mode; a rectangular groove is formed in the middle of the top face of the pedestal, a bottom shaft hole rotationally sleeved with the bottom end of the gear center shaft is formed in the bottom face of the rectangular groove, the rack is slidably clamped to the rear wall of an inner cavity of the rectangular groove, a penetrating hole is formed in the position, corresponding to the lead screw, of one side of the top of the pedestal, and the threaded sleeve is rotationally installed on the side wall, corresponding to the outer end of the penetrating hole, of the pedestal. Therefore, the clamp can flexibly adjust the deflection angle of the sheet when the sheet metal is sheared.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal processing, in particular to an adjustable fixture for sheet metal shearing. Background Technique

[0002] Sheet metal is a comprehensive cold working process for metal sheets (usually less than 6 mm), including shearing, punching / cutting / combining, folding, riveting, welding, splicing, forming (such as automobile bodies), etc. Its remarkable feature is that the thickness of the same part is consistent. The products processed by the sheet metal industry are called sheet metal parts. Among them, shearing is the process of cutting the metal sheet into the required size, which is the basic step of sheet metal processing, cutting the large sheet into the required small sheet or the blank of the shape, etc.

[0003] When shearing sheet metal, it is often necessary to use a fixture to clamp and fix the sheet. The traditional fixture only has the function of fixing and positioning the sheet, and cannot flexibly adjust the deflection angle of the sheet according to the shearing angle requirement. Content of the Utility Model

[0004] The purpose of the utility model is to provide an adjustable fixture for sheet metal shearing, which is used to solve the problem that the fixture cannot flexibly adjust the deflection angle of the sheet during current sheet metal shearing.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an adjustable fixture for sheet metal shearing, including a shearing machine body, the shearing machine body includes a pedestal and a shearing mechanism installed at a position near the rear end of the top surface of the pedestal, and a first shaft hole is provided at the center of the support plate; the clamping mechanisms are slidably clamped in pairs on the top surface of the support plate and are located on both sides behind the first shaft hole; the top end of the central shaft of the gear is fixedly sleeved in the first shaft hole; the driving member includes a rack extending horizontally and meshing with the rear end of the gear, a lead screw fixedly connected to the outer end of the rack, and a threaded sleeve threadedly sleeved on the outer end of the lead screw; a rectangular groove is provided in the middle of the top surface of the pedestal, and a bottom shaft hole rotatably sleeved with the bottom end of the central shaft of the gear is provided at the bottom surface of the rectangular groove, the rack is slidably clamped in the inner wall of the rear wall of the rectangular groove, a through hole is provided at one side of the top of the pedestal corresponding to the position of the lead screw, and the threaded sleeve is rotatably installed on the side wall of the pedestal corresponding to the outer end of the through hole.

[0006] Preferably, a sliding groove for slidably clamping and matching with the rear wall of the rack in the horizontal direction is provided on the rear wall of the rectangular groove, a shaft seat is fixed on the outer wall of the pedestal corresponding to the position of the through hole, the threaded sleeve is rotatably sleeved in the shaft seat, and a handle is fixedly arranged on the outer peripheral wall of the threaded sleeve in the radial direction.

[0007] Preferably, a first strip-shaped groove is provided horizontally at a position on the top surface of the support plate behind the first shaft hole. A strip-shaped cavity is provided at the bottom of the first strip-shaped groove. The clamping mechanism includes a slider slidably clamped in the strip-shaped cavity, a Z-shaped plate with an outer end located above the slider, a runner rotatably sleeved on the top surface of the outer end of the Z-shaped plate, a screw rod with a top end fixedly docked to the bottom end of the runner, and a vertical roller. A threaded hole matching the threaded socket of the bottom end of the screw rod is provided on the top surface of the slider. A second shaft hole matching the rotational socket of the top end of the central axis of the vertical roller is provided at the top of the inner end of the Z-shaped plate.

[0008] Preferably, a first protrusion is provided on the top surface of the slider for slidably clamping and matching with the bottom of the first strip-shaped groove. A second protrusion is provided on the bottom surface of the outer end of the Z-shaped plate for slidably clamping and matching with the top of the first strip-shaped groove.

[0009] Preferably, a plurality of second strip-shaped grooves extending horizontally are respectively provided at the front and rear ends of the top surface of the support plate. A roller is rotatably installed between the inner side walls of the cavity of the second strip-shaped groove, and the top end of the roller protrudes from the top surface of the support plate.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0011] 1. The adjustable fixture for sheet metal shearing involved in the present utility model can play a good clamping role for sheets of different widths, increasing the applicable range of the fixture.

[0012] 2. The adjustable fixture for sheet metal shearing involved in the present utility model can drive the support plate to rotate horizontally through the driving member and the gear, thereby facilitating the flexible adjustment of the deflection angle of the sheet, so as to facilitate the shearing mechanism to perform slitting of the sheet at different deflection angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a three-dimensional structural schematic diagram of the whole of the present utility model;

[0014] Figure 2 is a three-dimensional structural schematic diagram of the shearing machine body of the present utility model;

[0015] Figure 3 is a three-dimensional structural schematic diagram of the support plate of the present utility model;

[0016] Figure 4 is an exploded structural schematic diagram of the clamping mechanism of the present utility model;

[0017] Figure 5 is a three-dimensional structural schematic diagram of the driving member of the present utility model;

[0018] Figure 6 is the present utility model Figure 1 The enlarged structural schematic diagram at A in.

[0019] In the figure: 1 - Shearing machine body; 1.1 - Pedestal; 1.1.1 - Rectangular groove; 1.1.2 - Slide groove; 1.1.3 - Perforation; 1.1.4 - Bottom shaft hole; 1.2 - Shearing mechanism;

[0020] 2 - Support plate; 2.1 - First shaft hole; 2.2 - First strip-shaped groove; 2.3 - Strip-shaped cavity; 2.4 - Second strip-shaped groove; 2.5 - Roller;

[0021] 3 - Clamping mechanism; 3.1 - Slide block; 3.1.1 - Threaded hole; 3.1.2 - First protrusion; 3.2 - Z-shaped plate; 3.2.1 - Second protrusion; 3.2.2 - Second shaft hole; 3.3 - Vertical roller; 3.4 - Runner; 3.5 - Screw;

[0022] 4 - Driving member; 4.1 - Rack; 4.2 - Lead screw; 4.3 - Shaft seat; 4.4 - Threaded sleeve; 4.5 - Handle;

[0023] 5 - Gear. Detailed implementation mode

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figure 1-6 , the present invention provides a technical solution: an adjustable fixture for sheet metal shearing, the shearing machine body 1 includes a pedestal 1.1 and a shearing mechanism 1.2 installed at a position near the rear end of the top surface of the pedestal 1.1. Among them, a rectangular groove 1.1.1 is provided in the middle of the top surface of the pedestal 1.1, a slide groove 1.1.2 is provided on the rear wall of the rectangular groove 1.1.1, a bottom shaft hole 1.1.4 is provided at a position on the bottom surface of the rectangular groove 1.1.1 in front of the middle of the slide groove 1.1.2, and a perforation 1.1.3 is provided at a position on one side of the top of the pedestal 1.1 corresponding to the end of the slide groove 1.1.2.

[0026] A first shaft hole 2.1 is provided at the center of the support plate 2; on the front and rear ends of the top surface of the support plate 2, there are respectively a plurality of second strip-shaped grooves 2.4 extending horizontally, and rollers 2.5 are rotatably installed between the two side walls of the inner cavity of the second strip-shaped groove 2.4, and the top ends of the rollers 2.5 protrude from the top surface of the support plate 2. A first strip-shaped groove 2.2 is provided horizontally at a position on the top surface of the support plate 2 behind the first shaft hole 2.1, and a strip-shaped cavity 2.3 is provided at the bottom of the first strip-shaped groove 2.2.

[0027] The clamping mechanisms 3 are slidably and pairedly mounted on the top surface of the support plate 2 in the transverse direction and are located on both sides behind the first shaft hole 2.1; among them, each clamping mechanism 3 includes a slider 3.1 slidably mounted in the strip-shaped cavity 2.3, a Z-shaped plate 3.2 with its outer end located above the slider 3.1, a runner 3.4 rotatably sleeved on the top surface of the outer end of the Z-shaped plate 3.2, a screw rod 3.5 with its top end fixedly docked to the bottom end of the runner 3.4, and a vertical roller 3.3. A threaded hole 3.1.1 that is threadedly sleeved and matched with the bottom end of the screw rod 3.5 is provided on the top surface of the slider 3.1, and a second shaft hole 3.2.2 that is rotatably sleeved and matched with the top end of the central axis of the vertical roller 3.3 is provided at the top of the inner end of the Z-shaped plate 3.2. In addition, a first protrusion 3.1.2 that is slidably clamped and matched with the bottom of the first strip-shaped groove 2.2 is provided on the top surface of the slider 3.1, and a second protrusion 3.2.1 that is slidably clamped and matched with the top of the first strip-shaped groove 2.2 is provided on the bottom surface of the outer end of the Z-shaped plate 3.2.

[0028] The top end of the central axis of the gear 5 is fixedly sleeved in the first shaft hole 2.1, and the bottom end of the central axis of the gear 5 is rotatably sleeved in the bottom shaft hole 1.1.4.

[0029] The driving member 4 includes a rack 4.1 extending transversely and meshing with the rear end of the gear 5, a lead screw 4.2 fixedly docked to the outer end of the rack 4.1, and a threaded sleeve 4.4 threadedly sleeved on the outer end of the lead screw 4.2; among them, the rear wall of the rack 4.1 is slidably clamped in the sliding groove 1.1.2, a shaft seat 4.3 is fixed on the outer wall of the pedestal 1.1 corresponding to the position of the through hole 1.1.3, the threaded sleeve 4.4 is rotatably sleeved in the shaft seat 4.3, and a handle 4.5 is fixedly arranged on the outer peripheral wall of the threaded sleeve 4.4 in the radial direction.

[0030] In summary, when shearing a sheet, first support the sheet on the top surface of the support plate 2, and the bottom surface of the sheet is supported by rolling by the rollers 2.5. Adjust the position of the clamping mechanisms 3 so that the vertical rollers 3.3 on both sides respectively clamp both sides of the sheet, and tighten the screw rod 3.5 through the runner 3.4 so that the clamping mechanisms 3 are positioned and fixed on the support plate 2. At this time, push the sheet, and the position of the sheet to be sheared can be pushed to the shearing mechanism 1.2 for the operation of cutting the sheet.

[0031] When it is necessary to adjust the skew angle of cutting the sheet, rotate the threaded sleeve 4.4 through the handle 4.5 so that the lead screw 4.2 can drive the rack 4.1 to slide left and right along the sliding groove 1.1.2. The rack that slides left and right can drive the entire support plate 2 to horizontally deflect through the gear 5 to flexibly adjust the deflection angle of the sheet. Thus, it is convenient for the shearing mechanism 1.2 to cut the sheet at different skew angles.

[0032] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, such that a process, method, article or device comprising a series of elements not only includes those elements but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0033] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An adjustable clamp for sheet metal shearing, comprising a shearing machine body (1), wherein the shearing machine body (1) comprises a base (1.1) and a shearing mechanism (1.2) mounted on the top surface of the base (1.1) near the rear end, characterized in that it also comprises: A support plate (2), wherein an axial hole 1 (2.1) is provided at the center of the support plate (2); Clamping mechanisms (3), the clamping mechanisms (3) are mounted in pairs on the top surface of the support plate (2) in a lateral sliding manner and are located at positions on both sides of the rear of the shaft hole 1 (2.1); A gear (5), wherein the top end of the central axis of the gear (5) is fixedly sleeved in the shaft hole 1 (2.1); A driving member (4), the driving member (4) comprising a rack (4.1) extending in a transverse direction and meshing with the rear end of the gear (5), a screw rod (4.2) fixedly connected to the outer end of the rack rod (4.1), and a threaded sleeve (4.4) threadedly sleeved on the outer end of the screw rod (4.2); A rectangular groove (1.1.1) is provided in the middle of the top surface of the pedestal (1.1), a bottom shaft hole (1.1.4) is provided on the bottom surface of the rectangular groove (1.1.1) for rotationally sleeved with the bottom end of the central shaft of the gear (5), the rack (4.1) is slidably engaged with the rear wall of the inner cavity of the rectangular groove (1.1.1), and a through hole (1.1.4) is provided on one side of the top of the pedestal (1.1) corresponding to the position of the screw rod (4.2). 1.1.3), the threaded sleeve (4.4) is rotatably mounted on the side wall of the pedestal (1.1) corresponding to the outer end of the through hole (1.1.3).

2. The adjustable clamp for sheet metal shearing according to claim 1, characterized in that: The rear wall of the rectangular groove (1.1.1) is provided with a sliding groove (1.1.2) that is matched with the rear wall of the rack (4.1) in a transverse sliding manner; an axle seat (4.3) is fixed on the outer wall of the pedestal (1.1) at a position corresponding to the through hole (1.1.3); the threaded sleeve (4.4) is rotatably sleeved in the axle seat (4.3); and a handle (4.5) is fixed to the outer peripheral wall of the threaded sleeve (4.4) in a radial direction.

3. The adjustable clamp for sheet metal shearing according to claim 1, characterized in that: The top surface of the support plate (2) is provided with a strip groove (2.2) in the transverse direction at a position behind the shaft hole (2.1); the bottom of the strip groove (2.2) is provided with a strip cavity (2.3); the clamping mechanism (3) comprises a slider (3.1) slidably mounted in the strip cavity (2.3); a Z-shaped plate (3.2) with an outer end located above the slider (3.1); a rotating wheel (3.4) rotatably mounted on the top surface of the outer end of the Z-shaped plate (3.2); a screw rod (3.5) with a top end fixedly connected to the bottom end of the rotating wheel (3.4); and a vertical roller (3.3); the top surface of the slider (3.1) is provided with a threaded hole (3.4) which is matched with the threaded sleeve of the bottom end of the screw rod (3.5). 3.1.1), the inner top of the Z-shaped plate (3.2) is provided with a second shaft hole (3.2.2) which is rotatably sleeved and matched with the top end of the central axis of the vertical roller (3.3).

4. The adjustable clamp for sheet metal shearing according to claim 3, characterized in that: The top surface of the slider (3.1) is provided with a protrusion 1 (3.1.2) that is slidably engaged with the bottom of the strip groove 1 (2.2), and the bottom surface of the outer end of the Z-shaped plate (3.2) is provided with a protrusion 2 (3.2.1) that is slidably engaged with the top of the strip groove 1 (2.2).

5. The adjustable clamp for sheet metal shearing according to claim 1, characterized in that: The front and rear ends of the top surface of the support plate (2) are respectively provided with a plurality of strip grooves (2.4) extending in the transverse direction, and rollers (2.5) are rotatably mounted between the two side walls of the inner cavity of the strip grooves (2.4), with the top ends of the rollers (2.5) protruding from the top surface of the support plate (2).

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