CN105149984B - A kind of grip device - Google Patents

Abstract

The invention discloses a kind of grip device, including casing, clamping device, leading screw, rocking handle, leading screw supporting plate and base；Casing top and bottom opening, two pieces of guide-rail plates at left and right sides of casing are bolted with front and rear two cover plates, the leading screw supporting plate bottom is fixed on base, the left and right sides is bolted on two pieces of guide-rail plates at left and right sides of the middle part of casing, supported in the middle part of the leading screw by leading screw supporting plate, the leading screw of leading screw supporting plate both sides thread rotary orientation on the contrary, the rocking handle connection leading screw one end；Two clamping devices are installed on guide-rail plate using leading screw supporting plate as axial symmetry, and the bottom of two clamping devices is connected with leading screw.The present invention can clamp the workpiece in a variety of type faces, improve the limitations of fixture in use such as bench vice, flat-nose pliers.

Description

a fixture device

technical field

The invention relates to a clamp device, which belongs to the field of production tools.

Background technique

At present, the clamps used in the factory are generally bench vises or vises. These clamps are easy to operate, but their scope of application is limited. They are only suitable for workpieces with regular shapes, and are not suitable for workpieces with complex shapes and various surface changes. In the actual production process, workpieces with complex profiles are often encountered, so it is necessary to design a fixture that can hold various profiles.

Contents of the invention

In view of the defects existing in the prior art, the object of the present invention is to provide a fixture device capable of clamping workpieces of various profiles, and to improve the limitations of fixtures such as bench vices and flat pliers during use.

To achieve the above object, the present invention adopts the following technical solutions:

A fixture device, including a box body, a clamping mechanism, a lead screw, a crank handle, a lead screw support plate and a base; The plate is fixed by bolts, the bottom of the screw support plate is fixed on the base, the left and right sides are fixed on the two guide rail plates on the left and right sides of the middle of the box by bolts, the middle of the screw is supported by the screw support plate, The threads of the screw on both sides of the screw support plate are in the opposite direction, and the crank handle is connected to one end of the screw; the two clamping mechanisms are installed on the guide rail plate symmetrically with the screw support plate as the axis, and the two clamping mechanisms The bottom is connected with the lead screw.

The clamping mechanism includes a mounting table, a lower pressing block, a middle pressing block, an upper pressing block, a rotating handle, a clamping rod, a pressing block block, a handle, a bolt post, a clamping rod return spring, a pressing block return spring, rubber Gasket, slide plate; the lower end of the mounting table is fixedly connected with the sliding plate through bolts, and the sliding plate is matched with the lead screw; the upper end of the mounting table is fixedly connected with the lower pressing block through bolts, and the bolt columns pass through the lower pressing block in turn, and the middle Press block, the upper press block, the top is connected with the rotary handle through a rubber gasket, and the return spring of the press block is set on the bolt column at the contact point of every two press blocks, and the left and right sides of the lower press block, the middle press block and the upper press block The two sides are fixedly connected with the block block by bolts; two clamping rods are respectively placed between the lower pressing block and the middle pressing block and between the middle pressing block and the upper pressing block, and each clamping rod is covered with a clamping rod. The rod returns to the spring, and the outside of the clamping rod is provided with a handle.

The inner side of the clamping rod is provided with a ball sleeve.

Compared with prior art, the present invention has following advantage:

The invention can clamp workpieces with various profiles and has wide application range.

Description of drawings

Fig. 1 is a front view of the clamp device of the present invention.

Fig. 2 is a top view of the clamp device of the present invention.

Fig. 3 is a right side view of the clamp device of the present invention.

Fig. 4 is a cross-sectional view of fixture A-A, a partial enlarged view of B and a partial enlarged view of C.

Fig. 5 is a sectional view of the fixture D-D and a partial enlarged view of E.

Figure 6 is an exploded view of the clamping mechanism of the clamp device.

Fig. 7 is a schematic diagram of the clamping rod after the ball sleeve is installed in the clamping device.

Fig. 8 is an overall effect diagram of the clamp device.

detailed description

The specific implementation of the present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1 to 8, a fixture device includes a box body 1, a clamping mechanism, a lead screw 10, a crank handle 11, a lead screw support plate 16 and a base 17; the upper end and the lower end of the box body 1 are open, The two guide rail plates on the left and right sides of the box body 1 and the two front and rear cover plates are fixed by bolts, the bottom of the screw support plate 16 is fixed on the base 17, and the left and right sides are fixed on the left and right sides of the middle part of the box body 1 by bolts On the two guide rail plates, the middle part of the screw 10 is supported by the screw support plate 16, and the thread direction of the screw 10 on both sides of the screw support plate 16 is opposite, and the crank handle 11 is connected to one end of the screw 10 ; The two clamping mechanisms are installed on the guide rail plate symmetrically with the lead screw support plate 16 as the axis, and the bottoms of the two clamping mechanisms are connected with the lead screw 10 .

As shown in Figure 6, the clamping mechanism includes a mounting table 2, a lower pressing block 3, a middle pressing block 4, an upper pressing block 5, a rotating handle 6, a clamping rod 7, a pressing block block 8, a handle 9, and a bolt Column 12, clamp rod return spring 13, pressure block return spring 14, rubber gasket 15, slide plate 18; the lower end of the mounting table 2 is fixedly connected with the slide plate 18 by bolts, and the slide plate 18 is matched with the lead screw 10; the installation The upper end of the table 2 is fixedly connected with the lower pressing block 3 by bolts, and the bolt column 12 passes through the lower pressing block 3, the middle pressing block 4, and the upper pressing block 5 in sequence, and the top is connected with the rotary handle 6 through a rubber gasket 15, and each A briquetting return spring 14 is sleeved on the bolt column 12 at the contact of the two briquetting blocks, and the left and right sides of the lower briquetting block 3, the middle part briquetting block 4 and the upper briquetting block 5 are fixedly connected with the briquetting block stopper 8 by bolts; Between the lower briquetting block 3 and the middle briquetting block 4 and between the middle briquetting block 4 and the upper briquetting block 5, respectively place two clamping rods 7, each clamping rod 7 is covered with a clamping rod return spring 13, clamping A handle 9 is provided on the outside of the rod 7 .

As shown in FIG. 7 , the inner side of the clamping rod 7 is provided with a ball sleeve 19 , at this time, small workpieces can also be clamped, which expands the scope of application of the clamp.

Working process of the present invention is as follows:

The realization of the clamping function of the fixture: put the workpiece to be clamped in an appropriate position, and at this time, the rotating handle 6 is in a relaxed state. Turn the crank handle 11 to move the clamping mechanism toward each other, and gradually approach the workpiece until the front end of the clamping rod 7 touches the surface of the workpiece. After the clamping rod 7 is blocked, it will squeeze the clamping rod return spring 13. If the shape of the workpiece is irregular, continue to rotate When the crank handle 11 is moved, the clamping rod 7 will touch the surface of the workpiece successively until all eight clamping rods 7 on the left and right are in contact with the workpiece. It is fixed under the extrusion of the upper, middle and lower pressure blocks. At the same time, because the clamping rod 7 itself has a taper of 1:50, it is effectively guaranteed that there will be no retraction during clamping. At this time, the workpiece has been completely clamped.

To take out the workpiece, only need to rotate the rocking handle 11 in reverse to loosen the workpiece. Rotate the rotary handle 6 in the opposite direction, and the upper, middle and lower pressing blocks will return to their original positions under the action of the pressing block return spring 14 . The briquetting stopper 8 limits the positions of the middle briquetting 4 and the upper briquetting 5 to ensure the reliability of clamping. After the upper, middle and lower pressing blocks are loosened, the clamping rod 7 will also return to its original position under the action of the clamping rod back-moving spring 13 .

Claims (2)

1. A fixture device, characterized in that it includes a box body (1), a clamping mechanism, a lead screw (10), a crank handle (11), a lead screw support plate (16) and a base (17); the box The upper and lower ends of the body (1) are open, the two guide rail plates on the left and right sides of the box body (1) and the two front and rear cover plates are fixed by bolts, and the bottom of the screw support plate (16) is fixed on the base (17). The left and right sides are fixed on the two guide rail plates on the left and right sides of the middle part of the box body (1) by bolts, the middle part of the screw (10) is supported by the screw support plate (16), and the screw support plate (16) The threads of the screw (10) on both sides rotate in opposite directions, and the crank handle (11) is connected to one end of the screw (10); the two clamping mechanisms are symmetrically installed on the guide rail plate with the screw support plate (16) as the axis Above, the bottoms of the two clamping mechanisms are connected to the lead screw (10); the clamping mechanism includes a mounting table (2), a lower pressing block (3), a middle pressing block (4), an upper pressing block (5), Rotary handle (6), clamping rod (7), pressure block stopper (8), handle (9), bolt column (12), clamping rod return spring (13), pressure block return spring (14), rubber Gasket (15), slide plate (18); the lower end of the installation table (2) is fixedly connected with the slide plate (18) by bolts, and the slide plate (18) matches the lead screw (10); the upper end of the installation table (2) It is fixedly connected with the lower pressing block (3) by bolts, and the bolt column (12) passes through the lower pressing block (3), the middle pressing block (4), and the upper pressing block (5) in sequence, and the top passes through the rubber gasket (15 ) is connected with the rotary handle (6), and the bolt column (12) at the contact point of each two pressing blocks is covered with a pressing block return spring (14), and the lower pressing block (3), the middle pressing block (4) and the upper The left and right sides of the pressing block (5) are fixedly connected with the pressing block block (8) by bolts; between the lower pressing block (3) and the middle pressing block (4) and between the middle pressing block (4) and the upper pressing block ( 5) Two clamping rods (7) are respectively placed between them, each clamping rod (7) is covered with a clamping rod return spring (13), and a handle (9) is provided on the outside of the clamping rod (7). 2. The clamping device according to claim 1, characterized in that, a ball sleeve (19) is provided inside the clamping rod (7).