CN210819231U

CN210819231U - Clamping device

Info

Publication number: CN210819231U
Application number: CN201921441530.4U
Authority: CN
Inventors: 黄小宝
Original assignee: Chongqing Chuangzhi Robot Co ltd
Current assignee: Chongqing Chuangzhi Robot Co ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-23
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to the technical field of tools, in particular to a clamping device, which comprises a support, a connecting seat, an expansion piece, a first connecting block and two clamping parts, wherein the connecting seat is fixed on the support, the two clamping parts are arranged on the support in a sliding way, the connecting seat is arranged between the two clamping parts, two ends of the first connecting block are respectively hinged with the two clamping parts, the first connecting block is rotationally connected with the connecting seat, the expansion piece is connected with one of the clamping parts, the expansion piece expands and contracts back to drive the two clamping parts to move back and forth, the expansion piece drives the clamping parts to slide on the support, as the clamping parts are hinged through the first connecting block, the two clamping parts can move oppositely, the two clamping parts are close to each other, so that a workpiece positioned between the two clamping parts can be clamped, compared with the existing clamping tool of two cylinders, the application of one telescopic piece is saved, and a large amount of cost is reduced.

Description

Clamping device

Technical Field

The utility model relates to a frock technical field, especially a clamping device.

Background

In the prior art, when a workpiece is machined, a clamping tool is usually used for clamping and fixing the workpiece to be machined, so that the workpiece is prevented from deviating or jumping in the machining process, the existing tool for clamping the workpiece is mostly provided with cylinders on two opposite sides of the workpiece respectively, the cylinders push clamping blocks to be in contact with the workpiece to be machined, so that the workpiece is clamped by the two clamping blocks, the workpiece is controlled to be clamped by the two cylinders in the existing tool, the cost of the tool is increased, and when the clamping work of the plate is carried out, the two cylinders need to work simultaneously, the two clamping blocks are driven to be attached to the workpiece, the two cylinders work simultaneously and need to be controlled by a better control system, and the cost of the tool is also increased.

SUMMERY OF THE UTILITY MODEL

The invention of the utility model aims to: the clamping device is provided for solving the problem that in the prior art, a clamping tool is used for clamping two sides of a workpiece to be clamped by two cylinders and controlling clamping blocks simultaneously, so that the tool cost is increased.

In order to realize the purpose, the utility model discloses a technical scheme be:

the utility model provides a clamping device, its characterized in that, includes support, connecting seat, extensible member, first connecting block and two clamping parts, the connecting seat is fixed on the support, two clamping part slidable sets up on the support, the connecting seat sets up two between the clamping part, first connecting block both ends respectively with two the clamping part is articulated, first connecting block with the connecting seat rotates to be connected, the extensible member is connected with one of them clamping part, the flexible drive of making a round trip is two clamping part round trip movement.

As the preferable proposal of the utility model, the support is provided with a guide rail, the clamping part is provided with a slide block matched with the guide rail,

as the utility model discloses a preferred scheme, the extensible member is the cylinder, the cylinder sets up the support with the side that the guide rail is relative, the cylinder body of cylinder with the support is fixed, the piston rod of cylinder passes through connecting plate and one the clamping part is fixed, and the extensible member is still for pneumatic cylinder etc. except the cylinder.

As the utility model discloses a preferred scheme, first connecting block with the clamping part between two tie points part with the connecting seat is articulated, ensures that two clamping parts can move in opposite directions.

As the utility model discloses a preferred scheme, the slider is kept away from the side of guide rail all is fixed with the second connecting block, the second connecting block with the clamping part is fixed, second connecting block one side is provided with the convex part, and the convex part setting of one of them second connecting block is in side one end, and the convex part setting of another second connecting block is at the other end in the side, two the convex part respectively with the both ends of first connecting block are articulated.

As the utility model discloses an optimal scheme, be provided with two sets of screws on the second connecting block at least, every group screw sets up two at least, the clamping part pass through the adjusting block with the second connecting block is fixed, the clamping part with adjusting block welding or bolt fastening, the adjusting block with the screw bolted connection of second connecting block is when carrying out not unidimensional work piece of waiting to press from both sides, and the accessible is changed different clamping parts and is adapted to not unidimensional work piece, also can adjust the position of clamping part on the second connecting block according to the distance of cylinder work for can adjust the initial position of clamping part, and then reduce the removal of cylinder, increase the speed of pressing from both sides tightly the work piece, increase the adjusting block and conveniently adjust the mounted position of clamping part on the second connecting block.

As the utility model discloses a preferred scheme, the free end of clamping part sets up to the tight face of clamp of "L" shape for when two clamping parts pass through the cylinder and are close to each other, can the centre gripping tubular product, the free end that this department pointed is used for pressing from both sides the one end of pressing from both sides tight tubular product for the clamping part.

As the utility model discloses an optimal scheme, the support is fixed to be set up on the bottom plate, the fixed baffle that is provided with in both sides of bottom plate, the baffle hides guide rail, cylinder etc. reduces debris and splashes to guide rail or cylinder etc. and lead to the fact the damage to this device.

As the utility model discloses an optimal scheme, the both ends of first connecting block are provided with waist shape hole, the slider passes through waist shape hole is articulated.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. when this device is used for pressing from both sides tight work piece, the extensible member drive clamping part slides on the support, because the clamping part is articulated through first connecting block, so two clamping parts can move in opposite directions, and two clamping parts are close to each other for the work piece that is in between two clamping parts can press from both sides tightly, compares the tight frock of clamp of two current cylinders, has saved the application of an extensible member, has reduced a large amount of costs.

2. When the extensible member works, the extensible member drives one clamping part to slide, the other clamping part can move relative to the clamping part, the distance of relative movement of the two clamping parts is increased by one extensible member, and the efficiency of clamping workpieces is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of a second connecting block;

the labels in the figure are: 1-air cylinder, 2-support, 3-guide rail, 4-slide block, 5-connecting seat, 6-first connecting block, 7-cylinder body, 8-piston rod, 9-clamping part, 10-second connecting block, 11-convex part, 12-screw hole, 13-adjusting block, 14-clamping surface, 15-bottom plate, 16-baffle plate, 17-waist-shaped hole and 18-connecting plate.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Example 1

As shown in fig. 1 and fig. 2, a clamping device includes a cylinder 1 (i.e. a telescopic member in this embodiment), a support 2 and a guide rail 3, the cylinder 1 and the guide rail 3 are respectively disposed on opposite sides of the support 2, the guide rail 3 is provided with two sliding blocks 4, the guide rail 3 is fixed with a connecting seat 5, the connecting seat 5 is disposed between the two sliding blocks 4, the connecting seat 5 is hinged with a first connecting block 6, a rotation surface of the first connecting block 6 is parallel to an extension surface of the guide rail 3, two ends of the first connecting block 6 are respectively hinged with the two sliding blocks 4, a cylinder body 7 of the cylinder 1 is fixed with the support 2, a piston rod 8 of the cylinder 1 is fixed with one of the sliding blocks 4 through a connecting plate 18, the two sliding blocks 4 are both provided with clamping portions 9, the sliding blocks 4 are slidably disposed along the guide rail 3, in this embodiment, the connecting plate 18 is a U-shaped plate, the guide rail 3 is arranged in a groove of the connecting plate 18, two ends of the U-shaped structure of the connecting plate 18 are welded or bolted with the sliding block 4, and the piston rod 8 is welded or bolted with the connecting plate 18.

As shown in fig. 1 and 2, in this embodiment, second connecting blocks 10 are fixed on both side surfaces of the two sliding blocks 4 far away from the guide rail 3, one side of the second connecting block 10 is provided with a convex portion 11, the convex portion 11 of one second connecting block is arranged at one end of the side surface, the convex portion 11 of the other second connecting block 10 is arranged at the other end of the side surface, the two convex portions 11 are respectively hinged with both ends of the first connecting block 6, the middle portion of the first connecting block 6 is hinged with the connecting seat 5, and the convex portions 11 of the two second connecting blocks 10 are arranged oppositely and crosswise, so that the rotating range of the first connecting block 6 is larger, and the farther the sliding block 4 moves, the more types of workpieces can be clamped.

As shown in fig. 2, at least two groups of screw holes 12 are formed in the second connecting block 10, at least two screw holes are formed in each group of screw holes 12, the clamping portion 9 is fixed to the second connecting block 10 through an adjusting block 13, the clamping portion 9 is welded or bolted to the adjusting block 13, the adjusting block 13 is bolted to the screw holes 12 of the second connecting block 10, the initial distance between the clamping portions 9 can be adjusted through changing the installation position of the adjusting block 13 on the second connecting block 10, and when workpieces of different sizes are clamped, the distance that the air cylinder 1 drives the sliding block 4 to move can be effectively reduced.

As shown in fig. 1, the free end of the clamping portion 9 is an "L" shaped clamping surface 14, the two clamping portions 9 are arranged oppositely, the "L" shaped clamping surfaces 14 of the two clamping portions 9 are combined into a rectangular shape, the clamping surface 14 is used for matching with a pipe material with a rectangular structure, etc., the support 2 is fixed on a bottom plate 15, baffle plates 16 are fixedly arranged on two sides of the bottom plate 15, the support 2 is welded or bolted with the bottom plate 15, the bottom plate 15 is welded or bolted with the baffle plates 16, the baffle plates 16 hide the guide rail 3, the cylinder 1, etc. in the device, so that sundries splashing on the guide rail 3, the cylinder 1, etc. are reduced, and the device is prevented from being damaged by the movement of the cylinder 1, the slider 4, etc. when a worker processes the pipe material after clamping the pipe material.

As shown in fig. 1, the two ends of the first connecting block 6 are provided with a waist-shaped hole 17, the sliding block 4 is hinged through the waist-shaped hole 17, and the hinge pin slides in the waist-shaped hole 17, so that when the distance between the two second connecting blocks 10 is adjusted, the hinge pin slides in the waist-shaped hole 17, and the adjustment distance between the two second connecting blocks 10 can be increased.

The specific work flow of the application is as follows: this device is when initial condition, two clamping parts 9 are for keeping away from the state, start cylinder 1, piston rod 8 drives link block 4 with it and slides on guide rail 3, because all be provided with second connecting block 10 on two sliders 4, two second connecting blocks 10 are articulated through first connecting block 6, so this slider 4 drives another slider 4 and slides on guide rail 3, two sliders 4 remove in opposite directions, make two clamping parts 9 be close to, and then clamping part 9 presss from both sides tubular product tightly, only need a cylinder 1 can accomplish the clamp to tubular product tightly, the cost of frock has been reduced.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a clamping device, its characterized in that, includes support (2), connecting seat (5), extensible member, first connecting block (6) and two clamping part (9), connecting seat (5) are fixed on support (2), two clamping part (9) slidable sets up on support (2), connecting seat (5) set up two between clamping part (9), first connecting block (6) both ends respectively with two clamping part (9) are articulated, first connecting block (6) with connecting seat (5) rotate to be connected, the extensible member is connected with one of them clamping part (9), the extensible member is two the flexible drive of making a round trip clamping part (9) round trip movement.

2. Clamping device according to claim 1, characterized in that a guide rail (3) is arranged on the support (2) and a slide (4) adapted to the guide rail (3) is arranged on the clamping portion (9).

3. Clamping device according to claim 2, characterized in that the telescopic element is a cylinder (1), the cylinder (1) is arranged on the side of the support (2) opposite to the guide rail (3), the cylinder body (7) of the cylinder (1) is fixed to the support (2), and the piston rod (8) of the cylinder (1) is fixed to one of the clamping parts (9) by means of a connecting plate (18).

4. Clamping device according to claim 3, characterized in that the portion of the first connecting piece (6) between the two connection points with the clamping part (9) is hinged with the connecting seat (5).

5. The clamping device as recited in claim 2, characterized in that the side of the slider (4) away from the guide rail (3) is fixed with a second connecting block (10), the second connecting block (10) is fixed with the clamping portion (9), one side of the second connecting block (10) is provided with a convex portion (11), wherein the convex portion (11) of one second connecting block (10) is arranged at one end of the side, the convex portion (11) of the other second connecting block (10) is arranged at the other end of the side, and the two convex portions (11) are respectively hinged with two ends of the first connecting block (6).

6. The clamping device according to claim 5, wherein at least two sets of screw holes (12) are formed in the second connecting block (10), at least two screw holes (12) are formed in each set, the clamping portion (9) is fixed to the second connecting block (10) through an adjusting block (13), the clamping portion (9) is welded or bolted to the adjusting block (13), and the adjusting block (13) is bolted to the screw holes of the second connecting block (10).

7. Clamping device according to claim 1, characterized in that the free end of the clamping part (9) is provided as an "L" -shaped clamping surface (14).

8. Clamping device according to claim 1, characterized in that the support (2) is fixedly arranged on a base plate (15), and that baffles (16) are fixedly arranged on both sides of the base plate (15).

9. The clamping device as claimed in claim 2, characterised in that the first connecting block (6) is provided at both ends with a slotted hole (17), the slide (4) being hinged by means of the slotted hole (17).