CN218746237U

CN218746237U - Lever type clamp holder

Info

Publication number: CN218746237U
Application number: CN202222087463.9U
Authority: CN
Inventors: 刘磊; 周军营; 任成成; 赵天瑞; 石晴; 刘继超
Original assignee: Huaibei Hezhong Mechanical Equipment Co ltd
Current assignee: Huaibei Hezhong Mechanical Equipment Co ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2023-03-28
Anticipated expiration: 2032-08-09

Abstract

The utility model provides a lever holder, include: the base, the skin weld of base has the mount, it is equipped with the round pin axle to insert on the mount, the surperficial rotation of round pin axle is connected with clamping frame, one side fixedly connected with nut of clamping frame, the inner wall spiro union of nut has the bolt, the surperficial spiro union of bolt has lock nut, triangular opening has been seted up to one side of clamping frame, the triangle mouth interpolation is equipped with the angle aluminium. The utility model provides a lever holder under the dual elasticity through first spring and second spring, makes the internal thread of lock nut inner wall and the external screw thread on bolt surface closely mesh for press from both sides tightly firm to the work piece, can continuously provide certain power to the one end of clamping frame simultaneously, make the other end that presss from both sides the clamping frame continuously carry out the centre gripping to the work piece through lever principle, and can provide certain cushioning effect, effectively avoid the centre gripping to lead to the fact the work piece damage excessively tightly.

Description

Lever type clamp holder

Technical Field

The utility model relates to a holder technical field especially relates to a lever holder.

Background

Machining refers to a process of changing the physical dimensions or properties of a workpiece by a mechanical device. The difference in the machining method can be divided into cutting machining and pressing machining. The clamp is commonly used in machining, and is a device for fixing a machining object to a correct position in the machining process so as to receive construction or detection, and is also called a clamp. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. The clamping device is generally composed of a positioning element, a clamping device, a tool setting guide element, an indexing device, a connecting element, a clamping body and the like.

The existing clamp does not have intuitive understanding on whether a clamped workpiece is in a clamping state, usually, a worker judges the clamping state through experience, so that part of the workpiece is easily clamped insecurely, errors occur in the process of machining the workpiece, or the workpiece to be machined is extruded and deformed due to over-tight clamping, and therefore, the lever type clamp is necessary to be provided for solving the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a lever holder has solved whether the work piece to the centre gripping is in the tight state of clamp and does not have a audio-visual understanding, goes to judge with the experience through the workman usually, just so leads to appearing partial work piece clamp and tightly insecure easily, causes the mistake to appear in the work piece course of working, perhaps the centre gripping tension causes the problem of treating processing work piece extrusion deformation.

In order to solve the technical problem, the utility model provides a lever type clamp holder, include: the clamping device comprises a base, wherein a fixed frame is welded on the surface of the base, a pin shaft is inserted in the fixed frame, the surface of the pin shaft is rotatably connected with a clamping frame, one side of the clamping frame is fixedly connected with a nut, a bolt is screwed on the inner wall of the nut, a locking nut is screwed on the surface of the bolt, one side of the clamping frame is provided with a triangular opening, and angle aluminum is inserted in the triangular opening;

the fixed slot, the fixed slot is seted up in the bottom of bolt, the first spring of inner wall fixedly connected with of fixed slot, the one end fixedly connected with slide of first spring, the bottom of slide is rotated and is connected with the spliced pole, the bottom of spliced pole is rotated and is connected with wear-resisting piece, the surface cover of spliced pole is equipped with the second spring.

Preferably, the round mouth has been seted up to the inner wall of triangle mouthful, the dog-ear department fixedly connected with cylinder of angle aluminium, the cylinder uses with the round mouth cooperation.

Preferably, a rubber pad is attached to the bottom of the wear-resistant block.

Preferably, a supporting plate is placed on the surface of the base.

Preferably, the base, the fixing frame, the pin shaft and the clamping frame are all made of stainless steel.

Preferably, the surface of the sliding plate is slidably coupled to the inner wall of the fixing groove.

Compared with the prior art, the utility model provides a lever holder has following beneficial effect:

the utility model provides a lever holder, under the dual elasticity through first spring and second spring, make the internal thread of lock nut inner wall and the external screw thread on bolt surface closely mesh, it is firm to make to the work piece clamp tightly, can last to provide certain power to the one end of clamping frame simultaneously, the other end that makes clamping frame through lever principle lasts carries out the centre gripping to the work piece, and can provide certain cushioning effect, effectively avoid the centre gripping to lead to the fact the work piece to damage excessively tightly, rotate through spliced pole and wear-resisting piece and slide and be connected, can forbid motionless after messenger's wear-resisting piece and the base contact, and then reduce the friction between bolt and the base, and service life is prolonged.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of a lever type gripper provided by the present invention;

FIG. 2 is a cross-sectional view of the entirety shown in FIG. 1;

fig. 3 is a cross-sectional view of a portion of the bolt shown in fig. 1.

Reference numbers in the figures: 1. the base, 2, a fixed frame, 3, a pin shaft, 4, a clamping frame, 5, a nut, 6, a bolt, 7, a locking nut, 8, a triangular opening, 81, a round opening, 9, angle aluminum, 91, a cylinder, 10, a fixing groove, 11, a first spring, 12, a sliding plate, 13, a connecting column, 14, a wear-resisting block, 15 and a second spring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1-3, wherein fig. 1 is a schematic structural diagram of a lever type clamp according to a first embodiment of the present invention; FIG. 2 is a cross-sectional view of the entirety shown in FIG. 1; fig. 3 is a cross-sectional view of a portion of the bolt shown in fig. 1. A lever type holder comprising: the clamping device comprises a base 1, wherein a fixed frame 2 is welded on the surface of the base 1, a pin shaft 3 is inserted in the fixed frame 2, a clamping frame 4 is rotatably connected to the surface of the pin shaft 3, a nut 5 is fixedly connected to one side of the clamping frame 4, a bolt 6 is screwed on the inner wall of the nut 5, a locking nut 7 is screwed on the surface of the bolt 6, a triangular opening 8 is formed in one side of the clamping frame 4, and an angle aluminum 9 is inserted in the triangular opening 8;

the fixing groove 10, the fixing groove 10 set up in the bottom of bolt 6, the first spring 11 of inner wall fixedly connected with of fixing groove 10, the one end fixedly connected with slide 12 of first spring 11, the bottom of slide 12 is rotated and is connected with spliced pole 13, the bottom of spliced pole 13 is rotated and is connected with wear-resisting piece 14, the surface cover of spliced pole 13 is equipped with second spring 15.

Round mouth 81 has been seted up to the inner wall of three angular opening 8, the dog-ear department fixedly connected with cylinder 91 of angle aluminium 9, cylinder 91 uses with the cooperation of round mouth 81.

The cylinder 91 and the round opening 81 are arranged to prevent the aluminum horn 9 from falling off from the triangular opening 8 during operation.

A rubber pad 16 is attached to the bottom of the wear-resistant block 14.

The friction force of the wear-resistant blocks 14 on the base 1 is improved by the rubber pads 16.

The surface of the base 1 is provided with a supporting plate, and the supporting plate is used for placing a workpiece.

The base 1, the fixing frame 2, the pin shaft 3 and the clamping frame 4 are all made of #304 stainless steel, and the #304 stainless steel has the advantages of strong corrosion resistance and easiness in cleaning.

The surface of the sliding plate 12 is slidably coupled to the inner wall of the fixing groove 10.

The utility model provides a lever holder's theory of operation as follows:

when the clamping device is used, a workpiece to be processed is placed on the supporting plate and located below the angle aluminum 9, the bolt 6 is driven by rotating the bolt 6 and the nut 5 through threads to move downwards, one end of the clamping frame 4 is jacked up, the clamping frame 4 rotates by taking the pin shaft 3 as an axis, the workpiece is clamped between the angle aluminum 9 and the supporting plate, after the wear-resistant block 14 is contacted with the surface of the base 1, the wear-resistant block 14 is rotationally connected with the wear-resistant block 14 and the sliding plate 12 through the connecting column 13, the wear-resistant block 14 can be prevented from moving, friction between the bolt 6 and the base 1 is further reduced, the service life is prolonged, the bolt 6 is continuously rotated, the first spring 11 and the second spring 15 are compressed simultaneously, then the locking nut 7 is rotated, the bottom of the locking nut 7 is contacted with the surface of the clamping frame 4, locking of the angle of the clamping frame 4 is completed, fixing of the workpiece is realized, under the double elasticity of the first spring 11 and the second spring 15, internal threads of the inner wall of the locking nut 7 are tightly meshed with the surface of the bolt 6, the surface of the clamping frame is tightly meshed with the surface, the workpiece, the clamping frame can be continuously provided with a certain lever, and the workpiece can be effectively prevented from being damaged by a certain lever principle, and the clamping frame, and the workpiece can be effectively prevented from being clamped by the clamping frame.

the utility model provides a lever holder, under the dual elasticity through first spring 11 and second spring 15, make the internal thread of lock nut 7 inner wall closely mesh with the external screw thread on bolt 6 surface, it is firm to make to the work piece clamp, can continuously provide certain power to the one end of clamping frame 4 simultaneously, the other end that makes clamping frame 4 through lever principle lasts carries out the centre gripping to the work piece, and can provide certain cushioning effect, effectively avoid the centre gripping to lead to the fact the work piece damage excessively tightly, rotate through spliced pole 13 and wear-resisting piece 14 and slide 12 and be connected, can forbid motionless after making wear-resisting piece 14 and the base contact, and then reduce the friction between bolt 6 and the base 1, and service life is prolonged.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A lever type clamp, comprising: the clamping device comprises a base, wherein a fixing frame is welded on the surface of the base, a pin shaft is inserted in the fixing frame, the surface of the pin shaft is rotatably connected with a clamping frame, one side of the clamping frame is fixedly connected with a nut, a bolt is screwed on the inner wall of the nut, a locking nut is screwed on the surface of the bolt, one side of the clamping frame is provided with a triangular opening, and angle aluminum is inserted in the triangular opening;

2. A lever type clamp holder as claimed in claim 1, wherein the inner wall of the triangular opening is provided with a round opening, a column is fixedly connected to a folding corner of the angle aluminum, and the column is matched with the round opening for use.

3. A lever type clamp as claimed in claim 1, wherein a rubber pad is attached to the bottom of the wear block.

4. A lever type clamp as claimed in claim 1, wherein a platform is located on a surface of the base.

5. A lever type clamp as claimed in claim 1, wherein the base, the mounting bracket, the pin and the clamping bracket are all stainless steel.

6. A lever type clamp as claimed in claim 1, wherein a surface of the slide plate is slidably engaged with an inner wall of the fixing groove.