CN217371402U - Quick-clamping flat tongs - Google Patents

Abstract

The utility model belongs to the technical field of machining, in particular to a pair of rapid clamping flat tongs, which comprises a fixed bottom plate, wherein a tong seat is fixed at the upper end of the fixed bottom plate, sliding grooves are respectively arranged at the two sides of the tong seat, one side of the upper end of the fixed bottom plate is provided with a groove, a thick limiting toothed bar is fixed at the upper end of the groove, a fixed splint is fixed at one side of the upper end of the tong seat, the other side of the tong seat is provided with a movable seat, the inner part of the movable seat is screwed and connected with a fine limiting screw rod, one end of the fine limiting screw rod is rotatably connected with a movable splint through a rotating shaft, the bottom ends of the two sides of the movable seat and the movable splint are respectively fixed with a connecting plate, a slide block is fixed on the inner wall of the connecting plate, a square shell is fixed at the bottom end of one side of the movable seat, a movable block is slidably connected with the inner part of the square shell, the rapid and flexible operation and good use effect are achieved, so as to facilitate the rapid clamping of workpieces of different thicknesses.

Description

A quick clamping pliers

technical field

The utility model belongs to the technical field of machining, in particular to a fast clamping flat-nose pliers.

Background technique

Flat-nose vise, also known as machine vise, is a general-purpose fixture that is often used to install small workpieces. It is a random accessory for milling machines and drilling machines. It is fixed on the machine table and used to clamp the workpiece for cutting. Existing Most of the platform pliers adopt the method of screw driving to adjust the distance between the movable splint and the fixed splint, which is easy to operate and easy to use.

However, the existing flat-nose pliers still have the following deficiencies in the use process: when tightening the movable splint relative to the fixed splint, the screw is directly used for precise positioning and clamping, and when the distance between the fixed splint and the movable splint is too large Large, the moving distance of the movable splint relative to the fixed splint is too long. If a single screw is directly used for precise positioning and clamping, the screw needs to be rotated several times, the operation is not fast enough, and the use effect is not good. Therefore, it is necessary to propose a A quick-clamping pliers.

Utility model content

In order to solve the above problems existing in the prior art, the utility model provides a kind of fast clamping pliers, which has the characteristics of simple adjustment and fast clamping.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a quick clamping flat-nose pliers, comprising a fixed bottom plate, the upper end of the fixed bottom plate is fixed with a pliers seat, and both sides of the pliers seat are provided with sliding grooves, so The upper end of the fixed base plate is provided with a groove, and the upper end of the groove is fixed with a coarse limit tooth rod, the upper end of the clamp base is fixed with a fixed splint, and the other side of the clamp base is provided with a A movable seat, the inner of the movable seat is connected with a fine limit screw, and one end of the fine limit screw is connected with a movable splint through a rotating shaft, and the bottom ends on both sides of the movable seat and the movable splint are fixed with A connecting plate, and a slider is fixed on the inner wall of the connecting plate, a square shell is fixed on one bottom end of one side of the movable seat, a movable block is slidably connected inside the square shell, and a bottom end of the movable block is fixed with Coarse limit tooth protrusions, a lifting rod is fixed on the upper end of the movable block, and a bottom end of one side of the lifting rod is elastically connected to an upper end of one side of the movable block through a spring.

As a preferred technical solution for quick clamping flat-nose pliers of the present invention, the upper end surfaces of the fixed splint, the movable seat and the movable splint are on the same straight line, and the bottom ends of the movable seat and the movable splint are all aligned with the pliers seat. The upper ends of the fixed splints and the movable splint are fixedly connected with a clamp pad, and the clamp pad is a rubber member.

As a preferred technical solution of the quick clamping pliers of the present invention, a hand wheel is fixedly connected to one end of the fine limit screw away from the rotating shaft, and a handle is fixed to one bottom end of the hand wheel.

As a preferred technical solution of a quick clamping vise of the present invention, the sliding block is slidably connected with the chute.

As a preferred technical solution for a quick clamping vise of the present invention, the height of the upper end of the coarse limit tooth bar is lower than the height of the bottom end of the movable seat and the movable splint, and the bottom end of the coarse limit tooth protrusion is an arc It has a shape structure and is mutually engaged with the coarse limit gear rod.

As a preferred technical solution for a quick clamping vise of the present invention, the lift rod is an "L"-shaped structure.

Compared with the prior art, the beneficial effects of the present utility model are:

When the utility model is in use, the fine limit screw rod, the movable seat and the movable plywood are pushed inside relative to the fixed plywood. After being resisted by the coarse limit tooth rod, the coarse limit tooth protrusion at the bottom end of the movable block passes through the lift rod and the spring up and down. Elastic expansion and contraction, when the movable splint is attached to the other side of the workpiece to be processed, stop pushing the fine limit screw inward, and the coarse limit tooth protrusion is automatically stuck downward in the nearest coarse limit tooth rod through the elastic recovery of the spring to prevent the movable seat. Backward, so as to limit the movable seat and movable splint, and then complete the coarse adjustment and positioning of the movable splint, then rotate the fine limit screw relative to the movable seat, and push the movable splint to squeeze the other side of the workpiece to be processed through the rotation of the rotating shaft press, so as to complete the fine adjustment of the movable splint, and then complete the positioning and clamping operation of the workpiece to be processed. The utility model can quickly push the movable splint close to the workpiece to be processed by a rough adjustment method, and then retract it by a fine adjustment method. Tight clamping, quickly adjusting the distance between the movable splint and the fixed splint, saving the time of turning the fine limit screw back and forth, making the operation more flexible and faster on the whole, and the use effect is better, so as to facilitate the clamping operation of workpieces of different thicknesses .

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention. In the attached image:

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the partial sectional structure schematic diagram of Fig. 1;

3 is a schematic diagram of the connection structure of the movable seat and the movable splint of the present invention;

Figure 4 is a schematic diagram of a partial cross-sectional structure of the connection between the movable seat and the movable splint of the present invention;

Fig. 5 is the enlarged schematic diagram of A place of Fig. 1;

FIG. 6 is an enlarged schematic view of the structure at B of FIG. 2 .

In the figure: 1. Fixed bottom plate; 2. Clamp seat; 3. Chute; 4. Groove; 5. Coarse limit gear rod; 6. Fixed splint; 7. Active seat; 8. Fine limit screw; 9. Rotating shaft; 10, movable splint; 11, clamp pad; 12, hand wheel; 13, connecting plate; 14, slider; 15, square shell; 16, movable block; 17, coarse limit tooth protrusion; 18, lift rod; 19. Spring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example

Please refer to FIGS. 1-6 , the present invention provides the following technical solutions: a quick clamping flat-nose pliers, including a fixed base plate 1 , wherein the fixed base plate 1 is used for external fixing of the clamp base 2 , and can be opened on the fixed base plate 1 and The machine tool is adapted to the installation through hole, the upper end of the fixed base plate 1 is fixed with the clamp seat 2, the upper end of the fixed base plate 1 is provided with a groove 4, and the upper end of the groove 4 is fixed with a coarse limit gear rod 5, wherein, The groove 4 is used for the setting of the coarse limit tooth bar 5, so that the upper end of the coarse limit tooth bar 5 does not contact with the bottom end of the movable seat 7 and the movable splint 10 sliding on the upper end of the clamp seat 2, and affects the upper end of the clamp seat 2 The horizontal movement of the sliding movable seat 7 and the movable splint 10, the fixed splint 6 is fixed on one side of the upper end of the clamp seat 2, and the movable seat 7 is arranged on the other side of the clamp seat 2, and the internal screw connection of the movable seat 7 has a precise limit. screw 8, and one end of the fine limit screw 8 is rotatably connected to the movable splint 10 through the rotating shaft 9, the other end of the fine limit screw 8 is fixedly connected with a hand wheel 12, and the bottom end of one side of the hand wheel 12 is fixed with a handle, Among them, the handwheel 12 and the handle facilitate the grasping and pushing of the end of the fine limit screw 8 and further rotational pushing. In addition, the upper end surfaces of the fixed splint 6, the movable seat 7 and the movable splint 10 are on the same straight line, and The bottom ends of the movable seat 7 and the movable splint 10 are attached to the upper end of the clamp seat 2, wherein the movable seat 7 and the movable splint 10 are not in contact with the clamp seat 2, and at the same time, the upper end of the coarse limit gear rod 5 has a low height At the height of the bottom end of the movable seat 7 and the movable splint 10, in order to facilitate the horizontal movement of the movable seat 7 and the movable splint 10 relative to the clamp seat 2, one side of the fixed splint 6 and the movable splint 10 is fixedly connected with a clamp pad 11, and the clamp The pad 11 is a rubber member, wherein the pad 11 is used for buffering and shock absorption when the clamping plate 6 and the movable clamping plate 10 are pressed against the workpiece, and a square shell 15 is fixed at the bottom end of one side of the movable seat 7, and the interior of the square shell 15 slides A movable block 16 is connected. The bottom end of the movable block 16 is fixed with a coarse limit tooth protrusion 17. The bottom end of the coarse limit tooth protrusion 17 is an arc structure and is mutually engaged with the coarse limit tooth rod 5. The upper end is fixed with a lifting rod 18, and the bottom end of one side of the lifting rod 18 is elastically connected with the upper end of one side of the movable block 16 through a spring 19. The lifting rod 18 is an "L"-shaped structure, wherein the lifting rod 18 can be lifted up thickly. The limit tooth protrusion 17 separates the coarse limit tooth protrusion 17 and the coarse limit tooth rod 5 from each other, so that the fine limit screw 8, the movable seat 7 and the movable splint 10 can be pulled back. When the utility model is used, Push the fine limit screw 8, the movable seat 7 and the movable plywood 10 in the direction close to the fixed clamp plate 6, and the coarse limit tooth protrusion 17 located at the bottom end of the movable block 16 in the square shell 15 passes through the lifting rod 18 and the spring 19, so that the coarse limit The positioning tooth protrusion 17 will elastically expand up and down after being resisted by the coarse limit tooth rod 5. When the movable splint 10 is attached to the other side of the workpiece to be processed, it stops pushing the fine limit screw 8, and the coarse limit tooth protrusion 17 Through the elastic recovery of the spring 19, the spring 19 is automatically clamped downward in the nearest coarse limit gear rod 5 to prevent the movable seat 7 from retreating, so as to limit the movable seat 7 and the movable splint 10, and then complete the movable splint 1. 0 coarse adjustment and positioning, then rotate the fine limit screw 8 relative to the movable seat 7 through the handwheel 12, and push the movable splint 10 to squeeze the other side of the workpiece to be processed through the rotation of the rotating shaft 9, thereby completing the movable splint 10. Fine adjustment, and then complete the positioning and clamping operation of the workpiece to be processed, the utility model can quickly push the movable splint 10 close to the workpiece to be processed by means of rough adjustment, and then tighten and clamp by means of fine adjustment, and adjust quickly. The distance between the movable splint 10 and the fixed splint 6 saves the time of twisting the fine limit screw 8 back and forth, and the operation is more flexible and fast as a whole, and the use effect is better, so as to facilitate the clamping operation of workpieces of different thicknesses.

Specifically, both sides of the clamp base 2 are provided with sliding grooves 3. In addition, the bottom ends of both sides of the movable base 7 and the movable splint 10 are fixed with connecting plates 13, and the inner walls of the connecting plates 13 are fixed with sliding blocks 14, and, The sliding block 14 is slidably connected with the chute 3. In specific use, the workpiece to be processed is placed on the clamp seat 2 and close to the fixed clamp plate 6, then grab the handwheel 12 and push the precision limit in the direction close to the fixed clamp plate 6 The screw 8, the movable seat 7 and the movable splint 10. During this process, the sliders 14 located on the inner wall of the connecting plate 13 on both sides of the bottom end of the movable seat 7 and the movable splint 10 slide in the chute 3 on both sides of the clamp seat 2, so that The movable seat 7 and the movable splint 10 at the upper end of the clamp seat 2 are smoothly pushed in the horizontal direction.

The use process and working principle of the utility model: when the utility model is in use, the workpiece to be processed is placed on the clamp seat 2 and close to the fixed clamping plate 6, then grab the hand wheel 12 and push the precision in the direction close to the fixed clamping plate 6 The limit screw 8, the movable seat 7 and the movable splint 10. During this process, the sliders 14 located on the inner wall of the connecting plate 13 on both sides of the bottom end of the movable seat 7 and the movable splint 10 slide in the chute 3 on both sides of the clamp seat 2 , and during this process, the coarse limit tooth protrusion 17 located at the bottom end of the movable block 16 in the square shell 15 passes through the lifting rod 18 and the spring 19, so that the coarse limit tooth protrusion 17 will be affected by the resistance of the coarse limit tooth rod 5. It stretches up and down elastically. When the movable splint 10 is in contact with the other side of the workpiece to be processed, it stops pushing the handwheel 12. The coarse limit tooth protrusion 17 is elastically restored by the spring 19 and automatically clamps downward in the nearest coarse limit tooth rod 5. Prevent the movable seat 7 from retreating, so as to limit the movable seat 7 and the movable splint 10, thereby completing the coarse adjustment and positioning of the movable splint 10, and then rotate the fine limit screw 8 relative to the movable seat 7 through the handwheel 12, and pass the rotating shaft 9. The rotation of the movable splint 10 pushes the other side of the workpiece to be processed, so as to complete the fine adjustment of the movable splint 10, and then complete the positioning and clamping operation of the workpiece to be processed, and then perform corresponding processing on the workpiece. , through the handwheel 12 to rotate the fine limit screw 8 relative to the movable seat 7, so that the movable splint 10 is in a loose state, and then the workpiece can be removed from the clamp seat 2.

Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, its The technical solutions described in the foregoing embodiments can still be modified, or some technical features thereof can be equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (6)

1. A quick clamping pliers, comprising a fixed base plate (1), characterized in that: a clamp seat (2) is fixed on the upper end of the fixed base plate (1), and both sides of the clamp base (2) are provided with There is a chute (3), a groove (4) is opened on one side of the upper end of the fixed bottom plate (1), and a coarse limit tooth rod (5) is fixed on the upper end of the groove (4), and the clamp A fixed splint (6) is fixed on one side of the upper end of the seat (2), and a movable seat (7) is arranged on the other side of the clamp seat (2), and the inner screw connection of the movable seat (7) has a precision limit. A position screw (8), and one end of the fine limit screw (8) is rotatably connected to a movable splint (10) through a rotating shaft (9), the movable seat (7) and the bottom ends of both sides of the movable splint (10) A connecting plate (13) is fixed to each, and a sliding block (14) is fixed to the inner wall of the connecting plate (13), and a square shell (15) is fixed to the bottom end of one side of the movable seat (7). The inside of the shell (15) is slidably connected with a movable block (16), the bottom end of the movable block (16) is fixed with a coarse limit tooth protrusion (17), and the upper end of the movable block (16) is fixed with a lifting rod ( 18), and the bottom end of one side of the lifting rod (18) and the upper end of one side of the movable block (16) are elastically connected by a spring (19). 2. A quick clamping pliers according to claim 1, characterized in that: the upper end surfaces of the fixed splint (6), the movable seat (7) and the movable splint (10) are on the same straight line, and The bottom ends of the movable seat (7) and the movable splint (10) are mutually attached to the upper end of the clamp seat (2), and one side of the fixed splint (6) and the movable splint (10) is fixedly connected with a clamp. A pad (11) is provided, and the clip pad (11) is a rubber member. 3. A quick clamping pliers according to claim 1, characterized in that: a hand wheel (12) is fixedly connected to one end of the fine limit screw (8) away from the rotating shaft (9), and the hand A handle is fixed at the bottom end of one side of the wheel (12). 4 . The quick clamping vise according to claim 1 , wherein the sliding block ( 14 ) is slidably connected with the chute ( 3 ). 5 . 5. A quick clamping pliers according to claim 1, characterized in that: the height of the upper end of the coarse limit tooth rod (5) is lower than the bottom end of the movable seat (7) and the movable splint (10). Height, the bottom end of the coarse limit tooth protrusion (17) is an arc structure and is mutually engaged with the coarse limit tooth rod (5). 6 . The quick clamping vise according to claim 1 , wherein the lifting rod ( 18 ) has an “L”-shaped structure. 7 .

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