Workpiece clamp

Abstract

The utility model discloses a workpiece clamp which comprises an adjustable base, a supporting plate and a fixing clamp. The supporting plate is movably installed on the adjustable base, and the supporting plate adjusts the fixed inclination angle of a workpiece through the adjustable base. The fixing clamp comprises a fixing screw rod, a fixing nut, a fixing piece and a reset spring. The two fixing screw rods are symmetrically arranged, and the two fixing screw rods are fixedly mounted on the upper surface of the supporting plate; the fixing sheet is movably arranged on the fixing screw rod; the reset spring is arranged on the fixing screw rod in a sleeving mode, located between the supporting plate and the fixing piece and used for elastically supporting the fixing piece; the fixing nut is installed on the fixing screw in a threaded mode. The reset spring is used for elastically supporting the fixing piece, a workpiece can be conveniently and directly inserted between the supporting plate and the fixing piece, then the fixing nut is fastened, clamping and fixing of the workpiece can be achieved, fixing operation of the workpiece can be rapidly completed, and the workpiece fixing device has the advantages of being simple in structure and convenient and fast to operate.

Description

TECHNICAL FIELD

[0001] The utility model relates to material processing field especially a workpiece fixture. BACKGROUND

[0002] Workpiece fixture has multiple functions such as positioning workpiece, fixing workpiece, improving machining precision, improving work efficiency, expanding the process range of machine tool, reducing the labor intensity of workers and protecting workpiece in the machining and manufacturing process. These functions make the fixture become an important tool indispensable in the machining and manufacturing process.

[0003] For example, the application number is: 201821158366.1, and the name is: a kind of auxiliary tool for milling plane steel plate multi-proportion transition groove, the utility model discloses a rectangular steel box, vertical welding in the inner baffle of steel box, by cover in the rotating support plate of steel box front end bevel groove face;Four screw holes are set on the inner baffle for screwing into cross through push screw, horizontal sliding connection plate with horizontal sliding slot is welded on the front and back sides of inner baffle;The front end of push screw and horizontal sliding connection plate is welded with rotating support plate, and arc-shaped sliding groove is processed in the front and back inner walls of steel box, and the both ends of fastening bolt slidably set in horizontal sliding slot and arc-shaped sliding slot, arc-shaped groove lower end and horizontal sliding slot middle section link;Rotating support plate bottom end is connected with steel box bottom plate through shaft sleeve connecting device;Two rows of horizontal strip holes are set on rotating support plate and are provided with auxiliary locking bolt passing through strip hole, for connecting locking and abutting on the rotating support plate of processed steel plate. It is easy to operate, and the machining precision of transition groove can be improved.

[0004] However, when the workpiece is fixed, the distance between the nut of the bolt and the support plate needs to be adjusted, then the workpiece is placed in the gap between the nut and the support plate and fixed, the operation of fixing the workpiece is relatively cumbersome, and there is certain defect. Utility model content

[0005] The utility model aims at providing a workpiece fixture, can quickly clamp and fix workpiece, improve workpiece machining efficiency.

[0006] To solve the above technical problems, the utility model provides a workpiece fixture, including adjustable base, support plate and fixed clamp,

[0007] The support plate is movably installed on the adjustable base, and the support plate adjusts the fixed inclination angle of workpiece through the adjustable base;

[0008] The fixed clamp includes fixed screw rod, fixed nut, fixed sheet and return spring;

[0009] Two fixed screw rods are symmetrically arranged, and the two fixed screw rods are fixedly installed on the upper surface of the support plate.

[0010] The fixed sheet is movably arranged on the fixed screw, and the fixed sheet is used for clamping the fixed surface of the workpiece;

[0011] The reset spring is sleeved on the fixed screw, and the reset spring is located between the support plate and the fixed sheet, and the reset spring is used for elastically supporting the fixed sheet;

[0012] The fixed nut is threadedly installed on the fixed screw, and the fixed nut is used for pushing the fixed sheet and clamping the workpiece.

[0013] Further, the fixed sheet is provided with a chamfer structure at an end away from the fixed screw.

[0014] Further, the fixed sheet is provided with a movable groove along the length direction thereof, and the movable groove is matched with the fixed screw.

[0015] Further, the adjustable base comprises a fixed seat, a support fixing frame and an installation sliding plate;

[0016] The support fixing frame is fixedly installed on the fixed seat, and the support fixing frame is vertically distributed with the fixed seat;

[0017] The installation sliding plate is fixedly connected with the bottom surface of the support plate, a movable sliding groove is formed in the side wall of the installation sliding plate along the length direction thereof, and the top end of the support fixing frame is slidably connected with the inner wall of the movable sliding groove through a movable sliding column.

[0018] Further, an installation groove is formed in the upper surface of the fixed seat, and an angle adjusting piece is arranged between the bottom surface of the installation groove and the bottom end of the support plate.

[0019] Further, the angle adjusting piece comprises a toothed seat and a toothed bar;

[0020] The toothed seat is rotatably installed at the bottom end of the support plate;

[0021] The toothed bar is fixedly installed on the bottom surface of the installation groove, and the toothed seat is supported by being clamped at different positions of the toothed bar to adjust the inclination angle of the support plate.

[0022] Further, a counterweight positioning block is detachably arranged on the upper surface of the support plate, and the counterweight positioning block is used for positioning the bottom end of the workpiece to be machined.

[0023] Further, a plurality of fixing holes are formed in the upper surface of the support plate along the length direction thereof, and a plug column matched with the fixing holes is fixedly arranged on the bottom surface of the counterweight positioning block.

[0024] Compared with the prior art, the utility model has at least the following beneficial effects:

[0025] The utility model discloses the elastic support of reset spring to fixed sheet, make between support plate and fixed sheet always keep installation gap, convenient direct workpiece is inserted between support plate and fixed sheet, then fasten fixed nut can realize the clamping of workpiece, can complete the fixed operation of workpiece quickly, has simple structure, convenient operation's characteristics.

[0026] Further, the utility model discloses the position of support plate bottom is changed through angle adjusting spare, and then change the inclination angle of support plate, thereby can be applicable to the processing scene of different inclination angle angle, greatly improved the application scope of workpiece clamp. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is whole structure schematic diagram of the utility model workpiece clamp;

[0028] Figure 2 It is fixed clamp structure schematic diagram of the utility model workpiece clamp;

[0029] Figure 3 It is overhead structure schematic diagram of the utility model workpiece clamp;

[0030] Figure 4 It is the structure schematic diagram of the utility model workpiece clamp's clamping tooth seat;

[0031] Figure 5 It is fixed sheet structure schematic diagram of the utility model workpiece clamp;

[0032] Figure 6 It is the structure schematic diagram of the utility model workpiece clamp's counterweight positioning block.

[0033] In the drawing: 1, fixed seat;2, support plate;3, fixed clamp;4, counterweight positioning block;5, adjustable base;6, angle adjusting spare;7, fixed hole;8, support fixed frame;9, installation sliding plate;10, moving sliding slot;11, movable slot;12, insert column;13, moving slide;14, clamping tooth seat;15, installation operating slot;16, clamping tooth strip;17, fixed screw;18, fixed nut;19, fixed sheet. DETAILED DESCRIPTION

[0034] Below will combine the schematic diagram and carry out more detailed description to the utility model's one workpiece clamp, wherein the preferred embodiment of the utility model has been shown, should understand that the utility model described in this can be modified by the person skilled in the art, and still realize the advantageous effect of the utility model. Therefore, the following description should be understood as the extensive knowledge to the person skilled in the art, and not as the limitation to the utility model.

[0035] The utility model is described in more detail by way of example with reference to the drawings in the following paragraphs. The advantages and features of the utility model will be more apparent from the following description. It should be noted that the drawings are all in a very simplified form and all use non-precise proportions, merely to facilitate and clarify the purpose of assisting in the description of the embodiments of the utility model.

[0036] As shown in the figure, the utility model embodiment proposes a workpiece clamp, including adjustable base 5, support plate 2 and fixed clamp 3. Figure 1

[0037] Specifically, the support plate 2 is movably installed on the adjustable base 5, and the support plate 2 adjusts the fixed inclination angle of the workpiece through the adjustable base 5.

[0038] The fixed clamp 3 includes fixed screw 17, fixed nut 18, fixed sheet 19 and reset spring 20.

[0039] Two fixed screws 17 are symmetrically arranged, and the two fixed screws 17 are fixedly installed on the upper surface of the support plate 2.

[0040] The fixed sheet 19 is movably arranged on the fixed screw 17, and the fixed sheet 19 is used for clamping the fixed surface of the workpiece, and the fixed sheet is provided with a chamfer structure at the end away from the fixed screw.

[0041] The reset spring 20 is sleeved on the fixed screw 17, and the reset spring 20 is located between the support plate 2 and the fixed sheet 19, and the reset spring 20 is used for elastically supporting the fixed sheet 19.

[0042] The fixed nut 18 is threadedly installed on the fixed screw 17, and the fixed nut 18 is used for pushing the fixed sheet 19 and clamping the workpiece.

[0043] In the embodiment, when the workpiece needs to be processed, the fixed nut 18 is loosened, and under the elastic force of the reset spring 20, the fixed sheet 19 is pushed to the position adhering to the fixed nut 18, at this time, the fixed sheet 19 has enough fixed gap with the support plate 2. When the workpiece is fixed, the workpiece can be directly inserted into the fixed gap, and the workpiece can be quickly fixed by tightening the fixed nut 18.

[0044] Before the workpiece is processed, the inclination angle of the support plate 2 and the workpiece can be adjusted through the adjustable base 5, so that the workpiece is processed in the inclined state.

[0045] ​In a specific embodiment, the fixed piece 19 is provided with a movable slot 11 along its length direction, and the movable slot 11 is matched with the fixed screw rod 17. The fixed piece 19 can move around the fixed screw rod 17 to change the distance between the two fixed pieces 19, so as to clamp and fix workpieces of different widths. Specifically,

[0046] When clamping and fixing a large-width workpiece, first, the workpiece is inserted into the fixed gap. Then, the workpiece is adjusted to be in the center position of the support plate 2 according to the gap between the two side surfaces of the workpiece and the fixed screw rod 17. Finally, the fixed piece 19 is pushed by the fixed nut 18 to clamp and fix the workpiece.

[0047] When clamping and fixing a small-width workpiece, the workpiece can be directly pressed from the center of the gap between the two fixed pieces 19, and the workpiece enters the fixed gap along the inclined surface of the chamfer structure. Then, the fixed piece 19 is pushed to the center of the upper surface of the workpiece, and the fixed piece 19 is symmetrically distributed on both sides of the workpiece. The workpiece is fixed by using the fixed nut 18. In this fixing mode, the two fixed pieces 19 can uniformly bear the force on the workpiece and fix the workpiece, which reduces the positional deviation of the workpiece during machining and ensures the machining quality of the workpiece.

[0048] Further, the adjustable base 5 includes a fixed seat 1, a support fixing frame 8, and a mounting sliding plate 9.

[0049] Specifically, the support fixing frame 8 is fixedly installed on the fixed seat 1, and the support fixing frame 8 is vertically distributed with the fixed seat 1.

[0050] The mounting sliding plate 9 is fixedly connected with the bottom surface of the support plate 2, the side wall of the mounting sliding plate 9 is provided with a moving sliding groove 10 along its length direction, and the top end of the support fixing frame 8 is slidably connected with the inner wall of the moving sliding groove 10 through a moving sliding column 13.

[0051] In this embodiment, when it is necessary to adjust the inclination angle of the support plate 2, the contact position of the support plate 2 and the fixed seat 1 is changed. Specifically,

[0052] When the bottom end of the support plate 2 moves away from the support fixing frame 8, the inclination angle of the support plate 2 decreases; when the bottom end of the support plate 2 moves towards the support fixing frame 8, the inclination angle of the support plate 2 increases.

[0053] In order to ensure the firmness between the bottom end of the support plate 2 and the fixed seat 1, the fixed seat 1 is provided with a mounting groove 15 on the upper surface, and an angle adjusting piece 6 is arranged between the bottom surface of the mounting groove 15 and the bottom end of the support plate 2.

[0054] The angle adjusting piece 6 includes a clamping tooth seat 14 and a clamping tooth strip 16.

[0055] The angle adjusting piece 6 adjusts the inclination angle of the support plate 2 by clamping the clamping tooth seat 14 into different positions of the clamping tooth strip 16.

[0056] Further, the upper surface of the support plate 2 is detachably provided with a counterweight positioning block 4, which is used for positioning the bottom end of the workpiece to be processed.

[0057] Specifically, a plurality of fixing holes 7 are formed on the upper surface of the support plate 2 along the length direction thereof.

[0058] The bottom surface of the counterweight positioning block 4 is fixedly provided with an insertion column 12 matched with the fixing hole 7.

[0059] In the embodiment, in order to be able to fix and process workpieces of different lengths, the counterweight positioning block 4 can be inserted into the fixing holes 7 at different positions.

[0060] Compared with the prior art, the utility model has at least the following beneficial effects:

[0061] The utility model discloses the elastic support of reset spring to fixed blade makes between support plate and fixed blade always keep installation gap, directly convenient for inserting the workpiece between support plate and fixed blade, then fastens fixed nut and can realize the clamping of workpiece, can complete the fixed operation of workpiece quickly, has simple structure, convenient operation's characteristics.

[0062] Further, the utility model changes the position of the bottom of the support plate through the angle adjusting piece, and then changes the inclination angle of the support plate, so that it can be applied to processing scenes of different inclination angles, and greatly improves the application range of the workpiece clamp.

[0063] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A workpiece fixture, characterized in that: Including adjustable base (5), support plate (2) and fixed clamp (3); The support plate (2) is movably installed on the adjustable base (5), and the support plate (2) adjusts the fixed inclination angle of the workpiece through the adjustable base (5); The fixed clamp (3) comprises a fixed screw (17), a fixed nut (18), a fixed sheet (19) and a reset spring (20); Two fixed screws (17) are symmetrically arranged, and the two fixed screws (17) are fixedly installed on the upper surface of the support plate (2); The fixed sheet (19) is movably arranged on the fixed screw (17), and the fixed sheet (19) is used for clamping the fixed surface of the workpiece; The reset spring (20) is sleeved on the fixed screw (17), and the reset spring (20) is located between the support plate (2) and the fixed sheet (19), and the reset spring (20) is used for elastically supporting the fixed sheet (19); The fixed nut (18) is threadedly installed on the fixed screw (17), and the fixed nut (18) is used for pushing the fixed sheet (19) and clamping the workpiece.

2. The workpiece clamp of claim 1, wherein, The fixed sheet (19) is provided with a chamfer structure at one end away from the fixed screw (17).

3. The workpiece clamp of claim 1, wherein, The fixed sheet (19) is provided with a movable groove (11) penetrating along the length direction thereof, and the movable groove (11) is matched with the fixed screw (17).

4. The workpiece clamp of claim 1, wherein, The adjustable base (5) comprises a fixed seat (1), a support fixing frame (8) and an installation sliding plate (9); The support fixing frame (8) is fixedly installed on the fixed seat (1), and the support fixing frame (8) is vertically distributed with the fixed seat (1); The installation sliding plate (9) is fixedly connected with the bottom surface of the support plate (2), the side wall of the installation sliding plate (9) is provided with a moving sliding groove (10) along the length direction thereof, and the top end of the support fixing frame (8) is slidably connected with the inner wall of the moving sliding groove (10) through a moving sliding column.

5. The workpiece clamp of claim 4, wherein, An installation groove (15) is formed in the upper surface of the fixed seat (1), and an angle adjusting piece (6) is arranged between the bottom surface of the installation groove (15) and the bottom end of the support plate (2).

6. The workpiece clamp of claim 5, wherein, The angle adjusting piece (6) comprises a toothed seat (14) and a toothed bar (16); The toothed seat (14) is rotatably installed at the bottom end of the support plate (2); The toothed bar (16) is fixedly installed on the bottom surface of the installation groove (15), and the toothed seat (14) adjusts the inclination angle of the support plate (2) by clamping at different positions of the toothed bar (16).

7. The workpiece clamp of claim 1, wherein, A counterweight positioning block (4) is detachably arranged on the upper surface of the support plate (2), and the counterweight positioning block (4) is used for positioning the bottom end of the workpiece to be processed.

8. The workpiece clamp of claim 7, wherein, A plurality of fixing holes (7) are formed in the length direction of the upper surface of the support plate (2), and a plug column (12) matched with the fixing holes is fixedly arranged on the bottom surface of the counterweight positioning block (4).

Images