CN210360971U

CN210360971U - Flat tongs

Info

Publication number: CN210360971U
Application number: CN201920950917.6U
Authority: CN
Inventors: 张帆; 杨磊; 黄建坚
Original assignee: Anhui Beigong Auto Parts Co Ltd
Current assignee: Anhui Beigong Auto Parts Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-04-21
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a flat tongs, which comprises a bottom plate, a fixed jaw, a slide block, a first screw rod, a slide plate and a movable jaw, wherein the fixed jaw is fixed at one end of the upper surface of the bottom plate, a first chute is arranged at the middle part of the bottom plate, the slide block is connected with the inner wall of the first chute in a sliding way, a first threaded hole is arranged at one end of the inner wall of the first chute far away from the fixed jaw, the inner wall of the first threaded hole is connected with the first screw rod in a threaded way, and the end of the first screw rod close to the sliding block is rotatably connected with the sliding block through a bearing, the top of the sliding block penetrates through the first sliding groove and is fixed with the sliding plate, the movable jaw is fixed at the end, close to the fixed jaw, of the upper surface of the sliding plate, sliding holes are symmetrically formed in one side of the movable jaw, a top column is slidably connected to the inner wall of each sliding hole, a limiting block is fixed at the end, far away from the fixed jaw, of the top column, and the flat tongs can fix an irregular workpiece in one surface and are fixed and stable, so that people.

Description

Flat tongs

Technical Field

The utility model relates to a flat-nose pliers technical field specifically is a flat-nose pliers.

Background

The flat tongs, also known as machine vice, is a universal fixture, is usually used for mounting small-sized workpieces, is a random accessory of a milling machine and a drilling machine, is fixed on a machine tool workbench and is used for clamping the workpieces for cutting processing, and the existing flat tongs have single function, can only clamp the workpieces in regular shapes and have smaller application range; and is not firmly fixed. To this end, we propose a flat-nose pliers.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flat tongs to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a flat-nose pliers, includes bottom plate, fixed jaw, slider, first lead screw, slide and movable jaw, bottom plate upper surface one end is fixed with fixed jaw, first spout has been seted up at the bottom plate middle part, first spout inner wall sliding connection has the slider, and fixed jaw's one end is kept away from to first spout inner wall has seted up first screw hole, first screw hole inner wall threaded connection has first lead screw, and the one end that first lead screw is close to the slider passes through the bearing and is connected with the slider rotation, the slider top is passed first spout and is fixed with the slide, the one end that the slide upper surface is close to fixed jaw is fixed with movable jaw.

Preferably, one side of the movable jaw is symmetrically provided with sliding holes, the inner wall of each sliding hole is connected with a top post in a sliding way, a limiting block is fixed at one end of the top column far away from the fixed jaw, a spring is sleeved outside the top column, one end of the spring is fixedly connected with the movable jaw, the other end of the spring is fixedly connected with the limiting block, a fixed plate is fixed at one end of the upper surface of the sliding plate far away from the movable jaw, a second threaded hole is formed in the middle of the fixing plate, a second screw rod is connected to the inner wall of the second threaded hole in a threaded manner, the upper surface of the sliding plate is provided with a second chute, the inner wall of the second chute is connected with a T-shaped block in a sliding way, and one end of the second screw rod close to the T-shaped block is rotatably connected with the T-shaped block through a bearing, one side of the T-shaped block, which is far away from the second screw rod, is rotatably connected with a balance rod through a movable hinge, and arc-shaped bulges matched with the limiting blocks are symmetrically fixed at two ends of the balance rod.

Preferably, a first knob is fixed at one end, far away from the sliding block, of the first screw rod, and a second knob is fixed at one end, far away from the T-shaped block, of the second screw rod.

Preferably, the outer sides of the first knob and the second knob are both provided with anti-skid grains.

Preferably, the surface of the first knob is provided with a torsion hole.

Preferably, the two sides of the bottom plate are symmetrically fixed with mounting pieces, and the surfaces of the mounting pieces are symmetrically provided with mounting holes.

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

1. when the utility model is used, people rotate the first knob to drive the first lead screw to rotate, so that the first lead screw drives the sliding block to slide and further drives the sliding plate to slide, so that the sliding plate drives the movable jaw to move towards the fixed jaw to fix a workpiece, when one side of the workpiece is in an irregular structure, the parallel surface cannot be fixed, at the moment, people rotate the second knob to drive the second lead screw to rotate, so that the second lead screw moves, further drives the T-shaped block to slide in the second chute, so that the T-shaped block drives the balancing rod to move, further two arc-shaped bulges on the balancing rod push the limiting block, further drive one end of the support pillar, which is far away from the limiting block, to slowly slide out of the sliding hole until the sliding hole is positioned at the middle position of the support pillar, at the moment, people rotate the first knob again to enable the movable jaw to slowly move towards the direction of, one of two fore-posts on movable vice jaw at this moment contacts with the work piece earlier, make the work piece support one of them fore-post, movable vice jaw continues the centre gripping, it is protruding to make the fore-post that contacts with the work piece pass through stopper promotion arc, and then promote the balancing pole, make the balancing pole middle part use the T-shaped piece as the fulcrum rotation, and then make the balancing pole other end promote another not yet with the fore-post motion of work piece contact, make fore-post and work piece contact, and then make two fore-posts contact with the work piece simultaneously, fix the work piece, this device can be fixed the anomalous work piece in one side, the people of being convenient for use.

2. The utility model discloses when fixing irregular work piece, fix the work piece both ends respectively through two fore-posts, what make when fixed irregular work piece increases the stress point, and then can improve the clamping-force, makes fixedly more firm.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic view of the structure of the balance bar of the present invention.

In the figure: 1. a base plate; 2. fixing the jaw; 3. a first chute; 4. a slider; 5. a first lead screw; 6. a slide plate; 7. a movable jaw; 8. a slide hole; 9. a top pillar; 10. a limiting block; 11. a spring; 12. a fixing plate; 13. a second lead screw; 14. a second chute; 15. a T-shaped block; 16. a balancing pole; 17. an arc-shaped bulge; 18. a first knob; 19. a second knob; 20. a torsion hole; 21. and (7) mounting the sheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a flat-nose pliers, includes bottom plate 1, regular jaw 2, slider 4, first lead screw 5, slide 6 and movable jaw 7, 1 upper surface one end of bottom plate is fixed with regular jaw 2, first spout 3 has been seted up at 1 middle part of bottom plate, 3 inner wall sliding connection of first spout have slider 4, and 3 inner walls of first spout keep away from regular jaw 2 one end and seted up first screw hole, first screw hole inner wall threaded connection has first lead screw 5, and first lead screw 5 is close to the one end of slider 4 and passes through the bearing and be connected with slider 4 rotation, slider 4 top is passed first spout 3 and is fixed with slide 6, the one end that the upper surface of slide 6 is close to regular jaw 2 is fixed with movable jaw 7.

One side of the movable jaw 7 is symmetrically provided with sliding holes 8, the inner wall of each sliding hole 8 is connected with a top column 9 in a sliding manner, one end, away from the fixed jaw 2, of each top column 9 is fixed with a limiting block 10, the outer side of each top column 9 is sleeved with a spring 11, one end of each spring 11 is fixedly connected with the corresponding movable jaw 7, the other end of each spring 11 is fixedly connected with the corresponding limiting block 10, one end, away from the corresponding movable jaw 7, of the upper surface of the sliding plate 6 is fixed with a fixing plate 12, the middle of the fixing plate 12 is provided with a second threaded hole, the inner wall of the second threaded hole is in threaded connection with a second lead screw 13, the upper surface of the sliding plate 6 is provided with a second sliding groove 14, the inner wall of the second sliding groove 14 is connected with a T-shaped block 15 in a sliding manner, one end, close to the T-shaped block 15, of, arc-shaped bulges 17 matched with the limiting blocks 10 are symmetrically fixed at two ends of the balancing rod 16, so that irregular workpieces can be clamped and fixed conveniently.

A first knob 18 is fixed at one end of the first screw rod 5 far away from the sliding block 4, and a second knob 19 is fixed at one end of the second screw rod 13 far away from the T-shaped block 15, so that people can rotate the first screw rod 5 and the second screw rod 13 conveniently.

Anti-skidding line has all been seted up in first knob 18 and the second knob 19 outside, increases the frictional force of first knob 18 and second knob 19, and the people of being convenient for twist.

The surface of the first knob 18 is provided with a torsion hole 20, and when people are not strong enough, an auxiliary rod with a proper diameter can be inserted into the torsion hole 20 to increase the torque of people, so that people can rotate the first knob 18 more easily.

The mounting pieces 21 are symmetrically fixed on two sides of the bottom plate 1, and mounting holes are symmetrically formed in the surfaces of the mounting pieces 21, so that people can fix the bottom plate 1 on a workbench conveniently.

The working principle is as follows: when the tool is used, a person rotates the first knob 18 to drive the first lead screw 5 to rotate, so that the first lead screw 5 drives the sliding block 4 to slide, so that the sliding plate 6 is driven to slide, so that the sliding plate 6 drives the movable jaw 7 to move towards the fixed jaw 2 to fix a workpiece, when one side of the workpiece is in an irregular structure, the parallel surface cannot be fixed, at the moment, the person rotates the second knob 19 to drive the second lead screw 13 to rotate, so that the second lead screw 13 moves, so that the T-shaped block 15 is driven to slide in the second sliding groove 14, so that the T-shaped block 15 drives the balance rod 16 to move, so that the two arc-shaped protrusions 17 on the balance rod 16 push the limiting block 10, so that one end of the top column 9, far away from the limiting block 10, is driven to slowly slide out of the sliding hole 8 until the sliding hole 8 is located at the middle position of the top column 9, at the moment, the person rotates the first knob, the workpiece is clamped, one of two top columns 9 on the movable jaw 7 is firstly contacted with the workpiece, the workpiece is abutted against one of the top columns 9, the movable jaw 7 continues to be clamped, the top column 9 in contact with the workpiece is pushed to form an arc-shaped bulge 17 through a limiting block 10, then the balance rod 16 is pushed, the middle part of the balance rod 16 rotates by taking the T-shaped block 15 as a fulcrum, and then the other end of the balance rod 16 pushes the other top column 9 which is not yet contacted with the workpiece to move, so that the top column 9 is contacted with the workpiece, and then the two top columns 9 can be simultaneously contacted with the workpiece to fix the workpiece, when the regular workpiece is fixed, the second knob 19 is reversed, and one end of the top column 9 is enabled to completely enter the sliding hole 8.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flat-nose pliers, includes bottom plate (1), fixed vice jaw (2), slider (4), first lead screw (5), slide (6) and activity vice jaw (7), its characterized in that: bottom plate (1) upper surface one end is fixed with fixed vice jaw (2), first spout (3) have been seted up at bottom plate (1) middle part, first spout (3) inner wall sliding connection has slider (4), and the one end that fixed vice jaw (2) was kept away from to first spout (3) inner wall has seted up first screw hole, first screw hole inner wall threaded connection has first lead screw (5), and just first lead screw (5) are close to the one end of slider (4) and pass through bearing and slider (4) and rotate and be connected, first spout (3) are passed at slider (4) top and are fixed with slide (6), slide (6) upper surface is close to the one end of fixed vice jaw (2) and is fixed with movable vice jaw (7).

2. Flat-nose pliers according to claim 1, characterized in that: one side of the movable jaw (7) is symmetrically provided with sliding holes (8), the inner wall of each sliding hole (8) is connected with a top column (9) in a sliding manner, one end, far away from the fixed jaw (2), of each top column (9) is fixed with a limiting block (10), the outer side of each top column (9) is sleeved with a spring (11), one end of each spring (11) is fixedly connected with the movable jaw (7), the other end of each spring (11) is fixedly connected with the limiting block (10), one end, far away from the movable jaw (7), of the upper surface of the sliding plate (6) is fixed with a fixing plate (12), the middle of each fixing plate (12) is provided with a second threaded hole, the inner wall of each second threaded hole is in threaded connection with a second lead screw (13), the upper surface of the sliding plate (6) is provided with a second sliding groove (14), the inner wall of the second sliding groove (14) is connected with a T-shaped block (15) in a sliding manner, and one, one side of the T-shaped block (15) far away from the second screw rod (13) is rotatably connected with a balance rod (16) through a movable hinge, and arc-shaped protrusions (17) matched with the limiting blocks (10) are symmetrically fixed at two ends of the balance rod (16).

3. Flat-nose pliers according to claim 2, characterized in that: a first knob (18) is fixed at one end, far away from the sliding block (4), of the first screw rod (5), and a second knob (19) is fixed at one end, far away from the T-shaped block (15), of the second screw rod (13).

4. Flat-nose pliers according to claim 3, characterized in that: the outer sides of the first knob (18) and the second knob (19) are both provided with anti-skid grains.

5. Flat-nose pliers according to claim 3, characterized in that: the surface of the first knob (18) is provided with a torsion hole (20).

6. Flat-nose pliers according to claim 1, characterized in that: the mounting pieces (21) are symmetrically fixed on two sides of the bottom plate (1), and mounting holes are symmetrically formed in the surfaces of the mounting pieces (21).