CN216802574U

CN216802574U - Anti-skid clamp

Info

Publication number: CN216802574U
Application number: CN202220269961.2U
Authority: CN
Inventors: 徐强; 矫贺东; 崔献广; 钟祥龙; 付强; 胡奇智; 张恒
Original assignee: Chuneng New Energy Co Ltd
Current assignee: Chuneng New Energy Co Ltd
Priority date: 2022-02-10
Filing date: 2022-02-10
Publication date: 2022-06-24
Anticipated expiration: 2032-02-10

Abstract

The utility model discloses an anti-skidding clamp which comprises a clamp base, wherein a top clamping plate is fixed on the upper surface of one end of the clamp base, and a movable clamping plate is arranged on the upper surface of the other end of the clamp base; one end of the clamp base, which is close to the movable clamping plate, is fixed with power equipment, one end of the power equipment is provided with a pressure switch, and the pressure switch is positioned between the power equipment and the movable clamping plate and is fixedly connected with the movable clamping plate; the power equipment drives the movable clamping plate to move towards or back to the top clamping plate along the upper surface of the clamp base; clamping components are arranged on one surface of the top clamping plate facing the movable clamping plate and one surface of the movable clamping plate facing the top clamping plate; the spring is arranged in the clamping component, so that the clamping component can be telescopically adjusted according to the shape of the surface of the workpiece, and the stability of clamping the special-shaped workpiece is improved; the clamping device is provided with the pressure adjusting switch to adjust the clamping pressure, so that the clamped workpiece is prevented from being damaged due to overlarge clamping pressure; the clamping part surface sets up the rubber buffer, prevents that traditional metal centre gripping from damaging by the surface of holder.

Description

Anti-skid clamp

Technical Field

The utility model relates to the technical field of clamps, in particular to an anti-skidding clamp.

Background

The jig is a device for fixing a processing object to occupy a correct position to receive construction or inspection in a machine manufacturing process. In a broad sense, any process step in the process, the means for quickly, conveniently and safely mounting the workpiece, may be referred to as a jig; the fixture is generally composed of a positioning element for determining the correct position of a workpiece in the fixture, a clamping device, a tool setting guide element for determining the relative position of a tool and the workpiece or guiding the direction of the tool, a rotary indexing device or a linear movement indexing device for enabling the workpiece to complete machining of a plurality of stations in one installation, a connecting element, a fixture base and the like.

Traditional frock clamp is when using, and clamping stability is not enough, appears relative slip, the unable problem of adjusting of clamping pressure during the centre gripping simultaneously easily.

Disclosure of Invention

The utility model aims to provide a clamp which is convenient for adjusting the clamping pressure of the clamp, prevents a clamped object from sliding and is stable in clamping.

In order to realize the purpose, the technical scheme of the utility model is as follows:

an anti-skid clamp comprises a clamp base, wherein a top clamping plate is fixed on the upper surface of one end of the clamp base, and a movable clamping plate is arranged on the upper surface of the other opposite end of the clamp base; one end of the clamp base, which is close to the movable clamping plate, is fixedly provided with power equipment, one end of the power equipment is provided with a pressure switch, and the pressure switch is positioned between the power equipment and the movable clamping plate and is fixedly connected with the movable clamping plate; the power equipment drives the movable clamping plate to move towards or back to the top clamping plate along the upper surface of the clamp base; one surface of the top clamping plate facing the movable clamping plate and one surface of the movable clamping plate facing the top clamping plate are both provided with clamping components.

Furthermore, the power equipment is an electric hydraulic oil cylinder, and the pressure switch is arranged at the telescopic end of the electric hydraulic oil cylinder; the clamping component is a clamping steel needle, and a plurality of clamping steel needles are arranged on one surface of the top clamping plate facing the movable clamping plate and one surface of the movable clamping plate facing the top clamping plate; the plurality of clamping steel needles are distributed on the surface of the top clamping plate or the surface of the movable clamping plate in a rectangular array or a cylindrical shape.

Furthermore, a plurality of containing cavities are formed in the top clamping plate and the movable clamping plate, locating rods and elastic parts are arranged in the containing cavities, and one end of each clamping steel needle is located in the containing cavity.

Furthermore, the elastic component is a compression spring which is sleeved outside the positioning rod, and one end of the compression spring extends out of one end of the positioning rod; the positioning rod and the compression spring in the top clamping plate are arranged towards the movable clamping plate, and the positioning rod and the compression spring in the movable clamping plate are arranged towards the top clamping plate.

Furthermore, each containing cavity in the top clamping plate and the movable clamping plate is provided with a positioning rod, and a compression spring is sleeved outside each positioning rod; the inside cavity of centre gripping steel needle, locating lever one end and compression spring one end are located the inside of centre gripping steel needle jointly, and compression spring's one end and the inner wall connection of centre gripping steel needle.

Furthermore, one end of the clamping steel needle on the top clamping plate is positioned in the accommodating cavity in the top clamping plate, and the other end of the clamping steel needle extends out of one surface of the top clamping plate, which faces the movable clamping plate; one end of the clamping steel needle on the movable clamping plate is positioned in the containing cavity in the movable clamping plate, and the other end of the clamping steel needle extends out from one surface of the movable clamping plate towards the top clamping plate.

Further, the one end that the centre gripping steel needle stretched out the top splint and stretched out movable splint all seted up the locating hole, the inside bonding of locating hole has the rubber buffer.

Further, the one end that the rubber buffer is located the locating hole outside be half ball, the one end that the rubber buffer is located the locating hole inside is the circular cone.

Furthermore, two opposite side surfaces of the movable clamping plate are symmetrically connected with limiting plates.

Furthermore, two limiting grooves are formed in the upper surface of the clamp base, the limiting grooves are grooves formed in the upper surface of the clamp base, and the bottoms of the limiting plates are located in the limiting grooves; the two limiting grooves are positioned at two sides of the sliding path of the movable clamping plate; when the movable clamping plate slides on the upper surface of the clamp base, the movable clamping plate drives the limiting plate to slide along the limiting groove.

The utility model has the beneficial effects that:

1. pressure switch is installed to electric hydraulic cylinder flexible end, and pressure switch is fixed with movable clamp plate simultaneously, and the cooperation of top splint and movable clamp plate of being convenient for is adjusted the pressure of centre gripping when to the instrument centre gripping to avoid traditional centre gripping mode to lead to the too big damage that leads to of work piece clamping-force.

2. The limiting plates are symmetrically arranged on the two sides of the movable clamping plate, and the limiting plates are arranged in the limiting grooves formed in the two sides of the clamp base, so that the stability of the movable clamping plate in surface sliding on the clamp base is improved, the movable clamping plate can be aligned with the top clamping plate, and the firmness of clamping a workpiece is improved.

3. The clamping steel needle is installed on the surface of the top clamping plate opposite to the movable clamping plate, the locating rod of the internal installation of the top clamping plate and the movable clamping plate is inserted into the clamping steel needle, the compression spring of the internal installation of the clamping steel needle is sleeved outside the locating rod, and the clamping steel needle is convenient to shrink when being extruded, so that when the top clamping plate and the movable clamping plate are convenient to clamp a workpiece, the clamping steel needle is adjusted in a stretching mode according to the shape of the outer surface of the workpiece, and the stability of clamping a special-shaped workpiece is improved.

4. Through the locating hole that centre gripping steel needle one end was seted up, and the bonding has the rubber buffer in the locating hole, be convenient for through rubber buffer contact work piece when to the work piece centre gripping, thereby avoid traditional metal centre gripping to cause the damage to workpiece surface, the one end that the rubber buffer is located locating hole inside simultaneously is the circular cone, the other end of rubber buffer is the half ball, thereby increased the stability that rubber buffer and centre gripping steel needle are connected, reduce the area of rubber buffer and work piece contact.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention.

Fig. 3 is a schematic sectional view of the movable splint of the present invention.

FIG. 4 is an enlarged view of the structure at A in FIG. 3 according to the present invention.

FIG. 5 is an enlarged view of the structure at B in FIG. 3 according to the present invention.

Wherein: the clamp comprises a clamp base 1, a top clamping plate 2, a movable clamping plate 3, power equipment 4, a pressure switch 5, a limiting plate 6, a limiting groove 7, a clamping part 8, a positioning rod 9, an elastic part 10, a positioning hole 11 and a rubber plug 12.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention is further described below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the anti-slip clamp of the present invention includes a clamp base 1, the clamp base 1 is a workbench with a square surface, a top clamping plate 2 is fixed on the upper surface of one end of the clamp base 1, and a movable clamping plate 3 is arranged on the upper surface of the other end of the clamp base 1; the movable clamping plate 3 can slide on the upper surface of the base 1; the top splint 2 and the movable splint 3 are generally square.

A power device 4 is fixed at one end of the clamp base 1 close to the movable clamping plate 3, the power device is an electric hydraulic cylinder, a pressure switch 5 is installed at the telescopic end of the electric hydraulic cylinder, and the pressure switch 5 is fixedly connected with the movable clamping plate 3 through a screw; the electric hydraulic cylinder drives the movable clamping plate 3 to move towards or back to the top clamping plate 2 along the surface of the clamp base 1; pressure switch 5 is used for adjusting electric hydraulic cylinder to adjust electric hydraulic cylinder to the size of movable clamp plate 3 driving force, and then realize adjusting anchor clamps clamping pressure.

In order to ensure that the movable clamping plate 3 can move along a straight line and ensure that the movable clamping plate 3 is aligned with the top clamping plate 2 to realize stable clamping of the clamp, two opposite side surfaces of the movable clamping plate 3 are symmetrically welded with limiting plates 6, the limiting plates 6 are generally square plates, two limiting grooves 7 are arranged on the upper surface of the clamp base 1, the limiting grooves 7 are grooves formed in the upper surface of the clamp base 1, and the bottoms of the limiting plates 6 are positioned in the limiting grooves; the two limiting grooves 7 are positioned at two sides of the sliding path of the movable clamping plate 3; when the movable clamping plate 3 slides on the upper surface of the clamp base 1, the movable clamping plate 3 drives the limiting plate 6 to slide along the limiting groove 7.

As shown in fig. 3 and 4, a plurality of positioning rods 9 and elastic members 10 are respectively arranged in the top splint 2 and the movable splint 3, and the elastic members are compression springs; the positioning rod 9 and the compression spring in the top clamping plate 2 are arranged towards the movable clamping plate 3, and the positioning rod 9 and the compression spring in the movable clamping plate 3 are arranged towards the top clamping plate 2; a compression spring is sleeved outside each positioning rod 9, and one end of each compression spring extends out of one end of each positioning rod 9; specifically, a plurality of spaces for accommodating the positioning rods 9 and the compression springs are arranged in the top clamping plate 2 and the movable clamping plate 3.

Clamping components 8 are arranged in the top clamping plate 2 and the movable clamping plate 3, and the clamping components 8 are clamping steel needles; the clamping steel needle is hollow, the compression spring is partially positioned in the clamping steel needle, the positioning rod 9 and one end of the compression spring jointly extend into the clamping steel needle, so that the clamping steel needle is sleeved outside one end of the positioning rod and one end of the compression spring, and one end of the compression spring is connected with the inner wall of the clamping steel needle; each holding cavity in the top splint 2 and the movable splint 3 is internally provided with a positioning rod 9, a compression spring is sleeved outside each positioning rod 9, and one end of each compression spring extends into the clamping steel needle.

Regarding the arrangement of the clamping steel needle on the top clamping plate 2: one end of a clamping steel needle on the top clamping plate 2 is positioned inside the top clamping plate 2, specifically in an accommodating cavity in the top clamping plate 2, and the other end of the clamping steel needle extends out of one surface of the top clamping plate 2 facing the movable clamping plate 3 and faces the movable clamping plate 3; the one side of top splint 2 towards movable splint 3 is equipped with many centre gripping steel needles, and many centre gripping steel needles on the top splint 2 are rectangular array or cylindrical distribution on top splint 2.

Regarding the arrangement of the clamping steel needle on the movable clamping plate 3: one end of a clamping steel needle on the movable clamping plate 3 is positioned inside the movable clamping plate 3, specifically in an accommodating cavity in the movable clamping plate 3, and the other end of the clamping steel needle extends out of one surface of the movable clamping plate 3 facing the top clamping plate 2 and faces the top clamping plate 2; the movable clamping plate 3 is provided with a plurality of clamping steel needles on one surface facing the top clamping plate 2, and the plurality of clamping steel needles on the movable clamping plate 3 are distributed in a rectangular array or a cylindrical shape on the movable clamping plate 3.

The number of the clamping steel needles arranged on the top clamping plate 2 and the movable clamping plate 3 is determined according to the volume of the clamped workpiece.

One end of the clamping steel needle extending out of the top clamping plate 2 and one end of the clamping steel needle extending out of the movable clamping plate 3 are provided with positioning holes 11, a rubber plug 12 is bonded inside the positioning holes 11, one end of the rubber plug 12, which is positioned outside the positioning holes 11, is a half ball, and one end of the rubber plug 12, which is positioned inside the positioning holes 11, is a cone; in this embodiment, locating hole 11 seted up through the one end of centre gripping steel needle, and it has rubber buffer 12 to bond in the locating hole 11, during the centre gripping work piece, with by the contact of centre gripping work piece be rubber buffer 12, thereby avoid traditional metal centre gripping to cause the damage to the workpiece surface, the one end that rubber buffer 12 is located locating hole 11 inside simultaneously is the circular cone, rubber buffer 12's the other end is the half ball, thereby increased the stability that rubber buffer 12 and centre gripping steel needle are connected, reduce the area of rubber buffer 12 and work piece contact.

According to the utility model, the electric hydraulic cylinder is adjusted through the pressure switch 5 arranged at the telescopic end of the electric hydraulic cylinder, meanwhile, the pressure switch 5 is fixed with the movable clamping plate 3, and then the pushing force of the electric hydraulic cylinder on the movable clamping plate 3 is adjusted through the pressure switch 5, so that the clamping pressure is conveniently adjusted when the movable clamping plate 3 and the top clamping plate 2 are matched to clamp a tool, and the workpiece damage caused by overlarge clamping force in a traditional clamping mode is avoided.

Limiting plates 6 are symmetrically welded on two sides of the movable clamping plate 3, and the limiting plates 6 can only slide in limiting grooves 7 on the clamp base 1, so that the stability of the movable clamping plate 3 in surface sliding on the clamp base 1 is further improved, and the firmness of clamping a workpiece is improved.

Clamping steel needles are arranged on the opposite surfaces of the top clamping plate 2 and the movable clamping plate 3, compression springs are arranged in the clamping steel needles, the compression springs surround the outside of the positioning rods 9, the positioning rods 9 and the compression springs are inserted into the clamping steel needles, and the clamping steel needles, the compression springs and the positioning rods 9 are matched for use; when the clamping steel needle receives extrusion, the compression spring contracts along the locating rod 9, and the compression spring drives the clamping steel needle to move along the locating rod.

As shown in fig. 5, during the use, place the upper surface at anchor clamps base 1 by the centre gripping work piece, specifically put between solid fixed splint 2 and movable splint 3, electric hydraulic cylinder promotes movable splint 3 and removes towards solid fixed splint 2, when the rubber buffer 12 of centre gripping steel needle tip installation on top splint 2 and the movable splint 3 with by the contact of centre gripping work piece, because the centre gripping steel needle receives pressure, make the inside compression spring that sets up of centre gripping steel needle compressed, compression spring contracts along locating lever 9, compression spring area centre gripping steel needle moves along locating lever 9, make centre gripping steel needle 8 and the surface adaptation of work piece and then realized the centre gripping to by the centre gripping work piece.

The clamping device is suitable for clamping workpieces with irregular appearances, and the compression spring is arranged in the clamping steel needle, so that when the clamping steel needle receives extrusion force, the clamping steel needle can be telescopically adjusted according to the shape of the outer surface of the workpiece through the compression spring, and the stability of clamping the irregular workpieces is improved.

In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Claims

1. The utility model provides an anti-skidding anchor clamps, includes anchor clamps base (1), its characterized in that: a top clamping plate (2) is fixed on the upper surface of one end of the clamp base (1), and a movable clamping plate (3) is arranged on the upper surface of the other opposite end; one end of the clamp base (1), which is close to the movable clamping plate (3), is fixedly provided with a power device (4), one end of the power device (4) is provided with a pressure switch (5), and the pressure switch (5) is positioned between the power device (4) and the movable clamping plate (3) and is fixedly connected with the movable clamping plate (3); the power equipment (4) drives the movable clamping plate (3) to move towards or back to the top clamping plate (2) along the upper surface of the clamp base (1); one surface of the top clamping plate (2) facing the movable clamping plate (3) and one surface of the movable clamping plate (3) facing the top clamping plate (2) are both provided with clamping components (8).

2. The anti-skid clamp as set forth in claim 1, wherein: the power equipment (4) is an electric hydraulic oil cylinder, and the pressure switch (5) is arranged at the telescopic end of the electric hydraulic oil cylinder; the clamping component (8) is a clamping steel needle, and a plurality of clamping steel needles are arranged on one surface of the top clamping plate (2) facing the movable clamping plate (3) and one surface of the movable clamping plate (3) facing the top clamping plate (2); the plurality of clamping steel needles are distributed on the surface of the top clamping plate (2) or the surface of the movable clamping plate (3) in a rectangular array or a cylindrical shape.

3. The anti-slip clip of claim 1 or 2, wherein: the top clamping plate (2) and the movable clamping plate (3) are internally provided with a plurality of accommodating cavities, positioning rods (9) and elastic parts (10) are arranged in the accommodating cavities, and one ends of the clamping steel needles are located in the accommodating cavities.

4. The anti-skid clamp as set forth in claim 3, wherein: the elastic component (10) is a compression spring, the compression spring is sleeved outside the positioning rod (9), and one end of the compression spring extends out of one end of the positioning rod (9); the positioning rod (9) and the compression spring in the top splint (2) are arranged towards the movable splint (3), and the positioning rod (9) and the compression spring in the movable splint (3) are arranged towards the top splint (2).

5. The anti-skid clamp as set forth in claim 4, wherein: each containing cavity in the top clamping plate (2) and the movable clamping plate (3) is internally provided with a positioning rod (9), and a compression spring is sleeved outside each positioning rod (9); the clamping steel needle is hollow, one end of the positioning rod (9) and one end of the compression spring are located in the clamping steel needle, and one end of the compression spring is connected with the inner wall of the clamping steel needle.

6. The anti-skid clamp as set forth in claim 5, wherein: one end of a clamping steel needle on the top clamping plate (2) is positioned in the accommodating cavity in the top clamping plate (2), and the other end of the clamping steel needle extends out of one surface of the top clamping plate (2) towards the movable clamping plate (3); one end of a clamping steel needle on the movable clamping plate (3) is positioned in the containing cavity in the movable clamping plate (3), and the other end of the clamping steel needle extends out from one surface of the movable clamping plate (3) facing the top clamping plate (2).

7. The anti-skid clamp as set forth in claim 6, wherein: the one end that the centre gripping steel needle stretched out top splint (2) and stretched out movable splint (3) one end all seted up locating hole (11), the inside bonding of locating hole (11) has rubber buffer (12).

8. The anti-skid clamp as set forth in claim 7, wherein: the one end that rubber buffer (12) are located locating hole (11) outside be half ball, rubber buffer (12) are located the inside one end of locating hole (11) and are the circular cone.

9. The anti-skid clamp as set forth in claim 1, wherein: two opposite side surfaces of the movable clamping plate (3) are symmetrically connected with limiting plates (6).

10. The anti-skid clamp as set forth in claim 1, wherein: the upper surface of the clamp base (1) is provided with two limiting grooves (7), the limiting grooves (7) are grooves formed in the upper surface of the clamp base (1), and the bottoms of the limiting plates (6) are positioned in the limiting grooves; the two limit grooves (7) are positioned at two sides of the sliding path of the movable clamping plate (3); when the movable clamping plate (3) slides on the upper surface of the clamp base (1), the movable clamping plate (3) drives the limiting plate (6) to slide along the limiting groove (7).