CN215280898U

CN215280898U - Hydraulic clamping and positioning device of idler

Info

Publication number: CN215280898U
Application number: CN202121691462.4U
Authority: CN
Inventors: 聂振; 黄家銮; 张海红; 关永清
Original assignee: Jining Songyue Construction Machinery Co ltd
Current assignee: Jining Songyue Construction Machinery Co ltd
Priority date: 2021-07-24
Filing date: 2021-07-24
Publication date: 2021-12-24
Anticipated expiration: 2031-07-24

Abstract

The utility model discloses a hydraulic clamping and positioner of idler, the on-line screen storage device comprises a base, the upper end of base is fixed with the support, the support is U type frame, the upper end of support is fixed with the pneumatic cylinder, the inner wall sliding connection of support has the movable plate, the machined part has been placed to the upper end of base, the bottom of movable plate is fixed with the ejector pad, the upper end of base is provided with positioning and clamping device, the ejector pad corresponds with positioning and clamping device, the bottom of movable plate is provided with two and supports tight device, positioning and clamping device is including seting up the horizontal groove in the base upper end. In this device, promote the movable plate downstream through the pneumatic cylinder, can drive the ejector pad and promote the horizontal plate and remove, and under the effect of connecting piece, can realize that two sliders remove to idler inner wall direction simultaneously to can guarantee that idler central point puts and corresponds with the base, can realize the location to the idler fast, can conveniently be to the processing of idler.

Description

Hydraulic clamping and positioning device of idler

Technical Field

The utility model relates to a crawler-type engineering machine tool accessory production field especially relates to a hydraulic clamping and positioner of idler.

Background

The engineering machinery is an important component of equipment industry, the idler gear is a common component in the crawler-type engineering machinery, the idler gear is a gear which plays a role in transmission between two transmission gears which are not in contact with each other, is meshed with the two gears simultaneously and is used for changing the rotation direction of a driven gear to enable the driven gear to be the same as a driving gear, the idler gear is called as an idler gear, the idler gear is a gear train part playing a transition role, the transmission relation cannot be changed, and the purpose that the stress of the gear train is more reasonable or the whole transmission system arrangement is met is achieved;

the idler needs to be positioned and clamped in the machining process, and the traditional positioning and clamping tool is troublesome to use and cannot ensure the limitation of the position of the idler in the clamping process, so that the idler can deviate, the machining precision of the idler can be greatly influenced, and a hydraulic clamping and positioning device of the idler with one end convenient to use needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defect of inconvenient positioning in the prior art and providing a hydraulic clamping and positioning device for an idler.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a hydraulic clamping and positioner of idler, includes the base, the upper end of base is fixed with the support, the support is U type frame, the upper end of support is fixed with the pneumatic cylinder, the inner wall sliding connection of support has the movable plate, the machined part has been placed to the upper end of base, the bottom of movable plate is fixed with the ejector pad, the upper end of base is provided with the location clamping device, the ejector pad corresponds with the location clamping device, the bottom of movable plate is provided with two and supports tight device.

Preferably, the positioning and clamping device comprises a horizontal groove arranged at the upper end of the base, two guide rods are fixed on the inner wall of the horizontal groove, the circumferential side walls of the guide rods are connected with two symmetrically-arranged slide blocks in a sliding mode, and arc-shaped abutting blocks are fixed on the side walls of the two slide blocks.

Preferably, the inner bottom of the horizontal groove is provided with a vertical groove, the inner wall of the vertical groove is connected with a support rod in a sliding manner, the upper end of the support rod is fixed with a horizontal plate, and the horizontal plate corresponds to the push block.

Preferably, the bottom of the horizontal plate is rotatably connected with two connecting pieces, the two connecting pieces are respectively rotatably connected with the side walls of the two sliding blocks, and the arc-shaped abutting block corresponds to the inner wall of the workpiece.

Preferably, the abutting device comprises a sliding groove arranged at the bottom of the moving plate, a pressing block is connected inside the sliding groove in a sliding mode, and the upper end of the pressing block is connected with the inner top of the sliding groove through a spring.

Preferably, the pressing block is a T-shaped block, and the bottom of the pressing block is abutted against the upper end of the workpiece.

Compared with the prior art, the utility model has the advantages of:

1. in the device, the hydraulic cylinder pushes the movable plate to move downwards, so that the push block can be driven to push the horizontal plate to move, and under the action of the connecting piece, the two slide blocks can simultaneously move towards the inner wall direction of the idler wheel, so that the central position of the idler wheel can be ensured to correspond to the base, the idler wheel can be quickly positioned, and the idler wheel can be conveniently processed;

2. in this device, at the movable plate downstream in-process, can make briquetting and idler upper surface offset, can utilize the spring to realize pressing from both sides the spacing clamp of idler to the extrusion of briquetting, and the spring pressurized degree can be according to the big or small automatic adjustment of idler, can conveniently press from both sides tight work to the location of equidimension idler not, can effectively increase its suitability.

Drawings

Fig. 1 is a schematic structural view of a hydraulic clamping and positioning device for an idler pulley according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a top view of a hydraulic clamping and positioning device for an idler pulley according to the present invention.

In the figure: the device comprises a base 1, a support 2, a hydraulic cylinder 3, a moving plate 4, a workpiece 5, a horizontal groove 6, a guide rod 7, a sliding block 8, an arc-shaped abutting block 9, a vertical groove 10, a supporting rod 11, a horizontal plate 12, a connecting piece 13, a pushing block 14, a sliding groove 15, a pressing block 16 and a spring 17.

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.

Referring to fig. 1-3, a hydraulic clamping and positioning device for an idler comprises a base 1, wherein a support 2 is fixed at the upper end of the base 1, the support 2 is a U-shaped frame, a hydraulic cylinder 3 is fixed at the upper end of the support 2, a movable plate 4 is slidably connected to the inner wall of the support 2, a workpiece 5 is placed at the upper end of the base 1, a push block 14 is fixed at the bottom of the movable plate 4, a positioning and clamping device is arranged at the upper end of the base 1, the push block 14 corresponds to the positioning and clamping device, and two abutting devices are arranged at the bottom of the movable plate 4.

The positioning and clamping device comprises a horizontal groove 6 arranged at the upper end of the base 1, two guide rods 7 are fixed on the inner wall of the horizontal groove 6, the circumferential side walls of the two guide rods 7 are jointly connected with two symmetrically arranged slide blocks 8 in a sliding manner, and arc-shaped abutting blocks 9 are fixed on the side walls of the two slide blocks 8; a vertical groove 10 is formed at the inner bottom of the horizontal groove 6, a support rod 11 is connected to the inner wall of the vertical groove 10 in a sliding manner, a horizontal plate 12 is fixed at the upper end of the support rod 11, and the horizontal plate 12 corresponds to the push block 14; the bottom of horizontal plate 12 rotates and is connected with two connecting pieces 13, and two connecting pieces 13 rotate with the lateral wall of two sliders 8 respectively and are connected, and arc support piece 9 is corresponding with machined part 5 inner wall, sets up positioning and clamping device, can realize fast that idler central point puts the unanimity with bracing piece 11 for the idler is restricted in the central point department of putting of base 1, can conveniently be to the processing of idler.

The abutting device comprises a sliding groove 15 arranged at the bottom of the moving plate 4, a pressing block 16 is connected inside the sliding groove 15 in a sliding mode, and the upper end of the pressing block 16 is connected with the inner top of the sliding groove 15 through a spring 17; briquetting 16 is T type piece, and 16 bottoms of briquetting offset with the upper end of machined part 5, sets up and supports tight device, can realize pressing from both sides tightly to the idler for idler processing and processing is more convenient, can be simultaneously according to the automatic adjustment to clamping-force size of idler size, can make its clamping device's adaptability better, more can make things convenient for the processing to the idler.

In the utility model, in the process of processing the idler, the idler needs to be positioned and clamped tightly, at this time, the idler of the workpiece 5 needs to pass through the horizontal plate 12 and be placed at the upper end of the base 1, the hydraulic cylinder 3 is started, so that the rod head of the hydraulic cylinder 3 pushes the movable plate 4 to move downwards, when the push block 14 at the bottom of the movable plate 4 is abutted against the horizontal plate 12, the horizontal plate 12 is pushed to move downwards, so that the support rod 11 can slide along the bottom in the vertical groove 10, meanwhile, under the action of the connecting piece 13, two sliders 8 can slide along the guide rod 7, so that the sliders 8 move in the direction of the inner wall of the idler of the workpiece 5, the arc-shaped abutting block 9 at the end part of the slider 8 is abutted against the inner wall of the idler, and the sliders 8 moving simultaneously along two directions can ensure that the central position of the idler corresponds to the support rod 11, so that the idler is limited at the central position of the base 1, the idler wheel can be conveniently processed;

the moving plate 4 can drive the pressing block 16 to move simultaneously in the downward moving process, when the pushing block 14 abuts against the horizontal plate 12, the bottom of the pressing block 16 just abuts against the upper surface of the idler, when the pushing block 14 pushes the sliding block 8 to move, the pressing block 16 can slide upwards along the inner wall of the sliding groove 15, so that the spring 17 is gradually compressed, the spring 17 in a compressed state can be used for abutting against the idler at the bottom of the pressing block 16, so that the clamping work of the idler can be realized, when the idler with a large size is positioned and clamped, the horizontal plate 12 moves downwards for a longer distance, so that the sliding distance of the pressing block 16 along the inner wall of the sliding groove 15 is longer, so that the compression force of the spring 17 is larger, the clamping force of the pressing block 16 on the idler can be larger, the clamping force can be automatically adjusted according to the size of the idler, and the adaptability of the clamping device is better, the idler wheel can be conveniently machined.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a hydraulic clamping and positioner of idler, includes base (1), its characterized in that, the upper end of base (1) is fixed with support (2), support (2) are U type frame, the upper end of support (2) is fixed with pneumatic cylinder (3), the inner wall sliding connection of support (2) has movable plate (4), machined part (5) have been placed to the upper end of base (1), the bottom of movable plate (4) is fixed with ejector pad (14), the upper end of base (1) is provided with location clamping device, ejector pad (14) correspond with location clamping device, the bottom of movable plate (4) is provided with two and supports tight device.

2. The hydraulic clamping and positioning device for the idler pulley according to claim 1, wherein the positioning and clamping device comprises a horizontal groove (6) formed in the upper end of the base (1), two guide rods (7) are fixed to the inner wall of the horizontal groove (6), two symmetrically-arranged sliding blocks (8) are connected to the circumferential side walls of the two guide rods (7) in a sliding mode, and arc-shaped abutting blocks (9) are fixed to the side walls of the two sliding blocks (8).

3. The hydraulic clamping and positioning device for the idler pulley according to claim 2, wherein a vertical groove (10) is formed at the inner bottom of the horizontal groove (6), a support rod (11) is slidably connected to the inner wall of the vertical groove (10), a horizontal plate (12) is fixed to the upper end of the support rod (11), and the horizontal plate (12) corresponds to the pushing block (14).

4. The hydraulic clamping and positioning device for the idler pulley according to claim 3, characterized in that two connecting pieces (13) are rotatably connected to the bottom of the horizontal plate (12), the two connecting pieces (13) are respectively rotatably connected to the side walls of the two sliding blocks (8), and the arc-shaped abutting block (9) corresponds to the inner wall of the workpiece (5).

5. The hydraulic clamping and positioning device for the idler pulley according to claim 1, wherein the abutting device comprises a sliding groove (15) formed at the bottom of the moving plate (4), a pressing block (16) is connected to the inside of the sliding groove (15) in a sliding manner, and the upper end of the pressing block (16) is connected with the inner top of the sliding groove (15) through a spring (17).

6. Hydraulic clamping and positioning device for an idler according to claim 5, characterised in that said pressing block (16) is a T-block, the bottom of said pressing block (16) being in abutment with the upper end of the workpiece (5).