CN104191286A - Fast valving bench screw - Google Patents

Abstract

The invention discloses a fast-moving bench vise, which comprises a base, a nut seat, a screw rod, a fixed clamp block, a movable clamp block seat and a plurality of blocks, the fixed clamp block is fixedly installed on the base, and the base is provided with There are two slide rails and the movable clamp seat can be slidably installed on the slide rails. There is a side plate on one side of the base, and a threaded hole is set on the above side plate. The screw is installed on the base through the above threaded hole horizontally, and the nut seat is set There is a screw hole with internal thread, the nut seat is socketed with the screw through the above screw hole and can move horizontally on the base through the rotation of the screw, the movable clamp block is detachably connected with the nut seat through a pin; the top surface of the movable clamp block seat The height is less than the height of the top surface of the fixed clamp block, the top surface of the movable clamp block seat is provided with connecting holes, the top surface and bottom surface of each block are respectively provided with connecting holes and connecting rods, and one side of each block is a flat straight surface or Convex arc surface.

Description

A quick-action vise

technical field

The invention relates to the technical field of workpiece clamping, in particular to a quick-action bench vise.

Background technique

In mechanical processing, the fixture is an important process device to ensure that the workpiece to be processed is in the correct position on the machine tool, and to prevent the position change and deformation of the workpiece due to cutting force during processing. Flat-nose pliers are often used to install small workpieces. They belong to the random accessories of milling machines and drilling machines. They can fix the workpieces on the machine table and clamp the workpieces for cutting. In the prior art, when the flat-nose pliers are working, a wrench is usually used to turn the screw and the screw drives the movable clamp body to move to form clamping and loosening of the workpiece. In the above process, when the movable clamp body needs to move a long distance , often the screw rotation time is longer, which makes the processing efficiency lower and needs to be improved.

Contents of the invention

In order to solve the technical problems existing in the background technology, the present invention proposes a quick-action vise, which has a simple structure, can realize rapid movement of movable jaws, and has high clamping precision.

A quick-action bench vise proposed by the present invention comprises a base, a nut seat, a screw, a fixed clamp block, a movable clamp block seat and a plurality of blocks, the fixed clamp block is fixedly installed on the base, and the base is provided with There are two slide rails and the movable clamp seat can be slidably installed on the slide rails. There is a side plate on one side of the base, and a threaded hole is set on the above side plate. The screw is installed on the base through the above threaded hole horizontally, and the nut seat is set There is a screw hole with internal thread, the nut seat is socketed with the screw through the above screw hole and can move horizontally on the base through the rotation of the screw, the movable clamp block is detachably connected with the nut seat through a pin; the top surface of the movable clamp block seat The height is less than the height of the top surface of the fixed clamp block, the top surface of the movable clamp block seat is provided with connecting holes, the top surface and bottom surface of each block are respectively provided with connecting holes and connecting rods, and one side of each block is a flat straight surface or Convex arc-shaped surfaces, each block with convex arc-shaped surfaces, the radii of the convex arc-shaped surfaces are all different and the axes of the convex arc-shaped surfaces are all parallel to the slide rail, each block and the movable clamp block seat The size of the connecting hole is the same, the size of the connecting rod on each block is the same, and the connecting rod and the connecting hole can be fixed with each other, the position of the connecting hole and connecting rod of each block and its flat straight surface or convex arc surface equal distance.

Preferably, the number of blocks is 8-12, wherein the number of blocks with flat and straight faces accounts for half of the total number of blocks, and the sum of the heights of all blocks with flat and straight faces and the height of the movable jaw block seat is equal to that of the fixed jaws The height of the block.

Preferably, the blocks each having a flat face are of equal height.

Preferably, the connecting rod and the connecting hole can be fixed through screw fit.

Preferably, one end of the slide rail close to the fixed jaw extends to the bottom of the fixed jaw.

Preferably, the nut seat is located in the area between the two slide rails.

In the present invention, according to the shape of the workpiece to be clamped, a suitable block body with a convex arc-shaped surface is first selected, and then an appropriate number of blocks with flat and straight surfaces are selected according to the height of the workpiece to be clamped, and each block is selected according to the shape of the workpiece. The blocks are arranged and connected and installed on the movable clamp block to form a movable clamp block, wherein the flat straight surface or convex arc-shaped surface of each block faces the fixed clamp block, and the movable clamp block and the fixed clamp block form a jaw, which can be loosened The pin can quickly move the movable clamp block on the slide rail. After moving the movable clamp block to a suitable position, place the workpiece to be clamped in the jaw close to the fixed clamp block, and move the movable clamp block to the direction close to the workpiece. , when moving to fit the workpiece, tighten the pin, fix the movable clamp block with the nut seat, turn the screw, and gradually move the movable clamp block in the direction of the fixed clamp block, so as to clamp the workpiece; because the clamping of the movable clamp block can be adjusted according to the shape of the workpiece Hold the topography of the surface, so that the precise positioning and clamping of the workpiece can be formed, thereby improving the accuracy in the subsequent processing; therefore, the flat-nose pliers can adapt to different surface topography of the workpiece on the basis of realizing the rapid movement of the movable jaw block , has the advantage of high clamping precision.

Description of drawings

Fig. 1 is a schematic structural view of a quick-action vise proposed by the present invention.

Detailed ways

As shown in FIG. 1 , FIG. 1 is a schematic structural view of a quick-action bench vise proposed by the present invention.

With reference to Fig. 1, a kind of quick action bench vise that the present invention proposes, comprises base 1, nut seat 2, screw rod 10, fixed clamp block 3, movable clamp block seat 4 and a plurality of blocks 5, and fixed clamp block 3 is fixed Installed on the base 1, the base 1 is provided with two slide rails 6 and the movable jaw block seat 4 can be slidably installed on the slide rails 6, one side of the base 1 has a side plate 7, and the above-mentioned side plate 7 is provided with Threaded hole, the screw rod 10 is horizontally installed on the base 1 through the above-mentioned threaded hole, the screw hole with internal thread is provided on the nut seat 2, the nut seat 2 is socketed with the screw rod 10 through the above-mentioned screw hole and can be rotated by the screw rod 10 Move horizontally on the base 1, the movable clamp block seat 4 is detachably connected with the nut seat 2 through the pin 9; There are connecting holes, and the top and bottom surfaces of each block 5 are respectively provided with connecting holes and connecting rods 8. One side of each block 5 is a flat straight surface or a convex arc-shaped surface, and each block with a convex arc-shaped surface body 5, the radii of its convex arc-shaped surface are all different and the axes of the convex arc-shaped surface are all parallel to the slide rail 6, the connecting holes of each block body 5 and the movable clamp block seat 4 are the same in size, and each block body 5 The connecting rods 8 are the same size, and the connecting rods 8 and the connecting holes can cooperate with each other to fix, the connecting holes of each block 5 and the distance between the connecting rods 8 positions and their flat straight faces or convex arc-shaped surfaces are equal, and the connecting rods 8 And the connecting hole can be fixed by screw fit.

In the above technical solution, first select a suitable block 5 with a convex arc-shaped surface according to the shape of the workpiece to be clamped, and then select an appropriate number of blocks 5 with flat and straight surfaces according to the height of the workpiece to be clamped, and then select an appropriate number of blocks 5 with flat and straight surfaces according to the height of the workpiece Shape, each block body 5 is arranged and connected and installed on the movable clamp block seat 4 to form a movable clamp block, wherein, the flat straight surface or convex arc-shaped surface of each block body 5 faces the fixed clamp block 3, and the movable clamp block and the fixed clamp block The clamp block 3 forms the jaw, loosen the pin 9, the movable clamp block can be moved quickly on the slide rail 6, and after the movable clamp block is moved to a suitable position, the workpiece to be clamped is placed on the clamp block close to the fixed clamp block 3. In the mouth, move the movable clamp block to the direction close to the workpiece. When moving to fit the workpiece, tighten the pin 9, fix the movable clamp block and the nut seat 2, turn the screw rod 10, and gradually move the movable clamp block to the fixed clamp block in 3 directions. Therefore, the workpiece is clamped; since the clamping surface shape of the movable jaw block can be adjusted according to the shape of the workpiece, the precise positioning and clamping of the workpiece can be formed, thereby improving the accuracy in the subsequent processing; Based on the rapid movement of the clamp block, it can adapt to different surface topography of the workpiece, and has the advantage of high clamping precision.

In a further improved technical solution, the number of blocks 5 is 8-12, wherein the number of blocks 5 with flat and straight faces accounts for half of the total number of blocks 5, and all blocks 5 with flat and straight faces and movable clamps The sum of the heights of the block seats 4 is equal to the height of the fixed jaws 3, so that the assembly of the movable jaws can be made more flexible, and it is beneficial to improve the accuracy of workpiece clamping.

In a further improved technical solution, the heights of the blocks 5 with flat and straight faces are equal, so that the assembly of the movable jaws is more convenient.

In a further improved technical solution, the end of the slide rail 6 close to the fixed jaw 3 extends to the bottom of the fixed jaw 3, so as to meet the clamping requirements of small-sized workpieces.

For the convenience of space layout, the nut seat 2 is located in the area between the two slide rails 6, so that the structure of the whole vise is more compact.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (6)

1. a Quick-action bench vice, it is characterized in that, comprise pedestal (1), nut seat (2), screw rod (10), fixed clamp block (3), adjustable clamp block (4) and multiple block (5), fixed clamp block (3) is fixedly mounted on pedestal (1), on pedestal (1), being provided with two slide rails (6) and adjustable clamp block (4) is slidably arranged on slide rail (6), pedestal (1) one side has side plate (7), above-mentioned side plate is provided with screwed hole on (7), screw rod (10) level is arranged on pedestal (1) by above-mentioned screwed hole, on nut seat (2), be provided with the female screw of tool, nut seat (2) also can move horizontally by the rotation of screw rod (10) by above-mentioned screw and screw rod (10) socket on pedestal (1), adjustable clamp block (4) removably connects by pin (9) and nut seat (2), the height of adjustable clamp block (4) end face is less than the height of fixed clamp block (3) end face, adjustable clamp block (4) end face is provided with connecting hole, the end face of each block (5) and bottom surface are respectively arranged with connecting hole and connecting rod (8), each block (5) one sides are smooth facing directly or dome arcwall face, respectively there is the block (5) of dome arcwall face, the radius of its dome arcwall face all axis not identical and dome arcwall face is all parallel to slide rail (6), the connecting hole size of each block (5) and adjustable clamp block (4) is the same, connecting rod (8) size on each block (5) is the same, and connecting rod (8) and connecting hole can cooperatively interact and be fixed, the connecting hole of each block (5) and connecting rod (8) position and its smooth face directly or dome arcwall face between distance equate.

2. Quick-action bench vice according to claim 1, it is characterized in that, the quantity of block (5) is 8-12, wherein, there is the half that the smooth block of facing directly (5) quantity accounts for total block (5) quantity, and all height sums with the smooth block of facing directly (5) and adjustable clamp block (4) equal the height of fixed clamp block (3).

3. Quick-action bench vice according to claim 1 and 2, is characterized in that, respectively has the smooth block of facing directly (5) highly equal.

4. Quick-action bench vice according to claim 1, is characterized in that, connecting rod (8) and connecting hole can be fixed by threaded engagement.

5. Quick-action bench vice according to claim 1, is characterized in that, slide rail (6) extends to the bottom of fixed clamp block (3) near fixed clamp block (3) one end.

6. Quick-action bench vice according to claim 1, is characterized in that, nut seat (2) is positioned at region between two slide rails (6).