CN221134105U

CN221134105U - Caliper type hydraulic chuck

Info

Publication number: CN221134105U
Application number: CN202322853029.1U
Authority: CN
Inventors: 胡春雷
Original assignee: Nanjing Yarrit Automation Equipment Co ltd
Current assignee: Nanjing Yarrit Automation Equipment Co ltd
Priority date: 2023-10-23
Filing date: 2023-10-23
Publication date: 2024-06-14
Anticipated expiration: 2033-10-23

Abstract

The utility model relates to the technical field of hydraulic chucks and discloses a caliper type hydraulic chuck, which comprises a base, wherein two hydraulic cylinders are fixedly arranged in the base, output ends of the two hydraulic cylinders are fixedly connected with connecting blocks, the tops of the connecting blocks are fixedly connected with clamping plates, grooves are formed in the clamping plates and are used for fixing rectangular workpieces, and auxiliary mechanisms are arranged at the tops of the clamping plates and are used for fixing round workpieces. When fixed rectangle work piece, utilize the pneumatic cylinder to drive splint and move forward in a spout through the connecting block, the recess is convenient for the fixed of rectangle work piece, when fixed circular work piece, rotate anchor clamps to relative position through the pivot, it is spacing through the inserted bar, rotate the threaded rod, drive the mounting panel and move forward along the second spout, push away anchor clamps to the place ahead of splint, control pneumatic cylinder promotes splint and drives the fixed circular work piece of anchor clamps forward movement, the work piece of different shapes can be fixed to this design, reduction in production time and labour cost, improvement production efficiency.

Description

Caliper type hydraulic chuck

Technical Field

The utility model relates to the technical field of hydraulic chucks, in particular to a caliper type hydraulic chuck.

Background

At present, a caliper type hydraulic chuck is a common clamp device for clamping a workpiece to process or fix the workpiece, and consists of a chuck body, a hydraulic cylinder, a piston, a hydraulic pipeline, a control system and the like, wherein the working principle of the caliper type hydraulic chuck is that the clamping and loosening operation of the workpiece is realized through hydraulic pressure generated by the hydraulic cylinder.

The utility model discloses a double-hydraulic caliper chuck in Chinese patent publication No. CN216043589U, which comprises a chassis, a trapezoidal supporting block, a caliper seat, a hydraulic caliper, a clamping block, a hydraulic cylinder, a hydraulic piston rod and a piston rod head nut, wherein the specific structure and the connection relation are as follows: the caliper seat is welded on the chassis, trapezoidal supporting blocks are arranged on two sides of the caliper seat for supporting, the hydraulic caliper is installed on the caliper seat, the hydraulic caliper is stretched or shortened to drive to open and close by a hydraulic piston rod, the clamping block is installed in the hydraulic caliper, one end of the hydraulic piston rod is installed in the hydraulic cylinder, the hydraulic cylinder is installed on the caliper seat, the other end of the hydraulic piston rod penetrates through a hollow hole formed in the hydraulic caliper arm, and the hydraulic piston rod is fixed on the hydraulic caliper by tightening a piston rod head nut.

Above-mentioned prior art is through two sets of hydraulic pressure callipers of reverse arrangement, and two sets of callipers clamp the sleeve pipe from top to bottom, makes sleeve pipe atress more even, simple structure, flexible operation, work efficiency is high, but can only fix the work piece of a shape, has the limitation, need adjust anchor clamps or change different chucks to the work piece of different shapes, increases production time and labour cost, reduction in production efficiency.

Disclosure of utility model

The utility model provides a caliper type hydraulic chuck, which aims to solve the technical problems that only one shape of workpiece can be fixed, the clamp is required to be adjusted or different chucks are required to be replaced for different shapes of workpieces, the production time and labor cost are increased, and the production efficiency is reduced.

The utility model is realized by adopting the following technical scheme: the utility model provides a calliper formula hydraulic chuck, includes the base, the inside fixed mounting of base has two pneumatic cylinders, two the equal fixedly connected with connecting block of output of pneumatic cylinder, the top fixedly connected with splint of connecting block, the inside of splint is seted up flutedly for fixed rectangle work piece, and the top of splint is provided with auxiliary mechanism, is used for the fixed to circular work piece.

Through the technical scheme, the operation of clamping and loosening the workpiece is realized through the hydraulic pressure generated by the hydraulic cylinder, and the processing efficiency and the processing precision are improved.

As a further improvement of the scheme, the auxiliary mechanism comprises a second chute arranged at the top of the clamping plate and a threaded rod in threaded connection with one side of the clamping plate, wherein the second chute is internally and slidably connected with a mounting plate, the top of the mounting plate is rotationally connected with a rotating shaft, and one side of the rotating shaft is fixedly connected with a clamp.

Through above-mentioned technical scheme, accessible threaded rod drives the mounting panel and moves forward, changes the form of calliper, can fix the work piece of centre gripping different grade type, improves work efficiency.

As a further improvement of the scheme, the top of the rotating shaft is slidably connected with the inserting rod, the inserting rod penetrates through the rotating shaft, and a through hole corresponding to the inserting rod is formed in the top of the mounting plate and used for limiting the rotating shaft.

Through above-mentioned technical scheme, accomplish the spacing of anchor clamps through the inserted bar, improve the stability of anchor clamps, prevent to take place the displacement when centre gripping work piece.

As a further improvement of the scheme, the two sides of the base are provided with the first sliding grooves, the inside of each first sliding groove is connected with the sliding block in a sliding manner, and the sliding blocks are fixedly connected with the clamping plates.

Through above-mentioned technical scheme, can improve splint removal stability through first spout and slider setting for the precision of during operation is higher.

As a further improvement of the scheme, one end of the threaded rod is provided with a knob, and one end of the threaded rod far away from the knob is fixedly connected with the mounting plate.

Through above-mentioned technical scheme, push out anchor clamps through the threaded rod, prevent that splint from influencing the use of anchor clamps, avoid causing the interference.

As a further improvement of the scheme, the grooves are arranged in a triangular shape, and the corners of the grooves are 90 degrees.

Through above-mentioned technical scheme, 90 setting is convenient for rectangular workpiece's fixed, can more quick, more convenient centre gripping rectangular workpiece, reduces the time that anchor clamps adjustment and work piece were fixed a position, and this helps improving production efficiency, reduces production interruption and man-hour waste.

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

According to the utility model, when the rectangular workpiece is fixed, the clamping plate is driven to move forwards in the chute by the hydraulic cylinder through the connecting block, the groove corresponds to the corner of the rectangular workpiece, the rectangular workpiece is conveniently fixed, the rectangular workpiece can be clamped more quickly and more conveniently, the clamp is rotated to the opposite position through the rotating shaft when the circular workpiece is fixed, then the inserting rod is used for limiting, the threaded rod is rotated, the mounting plate is driven to move forwards along the second chute when the threaded rod rotates, the clamp is pushed to the front of the clamping plate, interference is prevented, and the hydraulic cylinder is controlled to push the clamping plate to drive the clamp to move forwards to fix the circular workpiece after adjustment is finished.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

Fig. 3 is a schematic view of the internal structure of the base of the present utility model.

Main symbol description:

1. a base; 2. a hydraulic cylinder; 3. a connecting block; 4. a clamping plate; 5. a first chute; 6. a slide block; 7. a mounting plate; 8. a second chute; 9. a threaded rod; 10. a rotating shaft; 11. a clamp; 12. a rod; 13. a groove.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Examples:

Please combine fig. 1-3, a caliper type hydraulic chuck of this embodiment includes a base 1, two hydraulic cylinders 2 are fixedly installed in the base 1, output ends of the two hydraulic cylinders 2 are fixedly connected with a connecting block 3, a clamping plate 4 is fixedly connected to the top of the connecting block 3, and a groove 13 is formed in the clamping plate 4.

The operation of clamping and loosening the workpiece is realized through the hydraulic pressure generated by the hydraulic cylinder 2, so that the machining efficiency and the machining precision are improved.

Referring to fig. 2, the grooves 13 are arranged in a triangle shape, and the corners of the grooves 13 are 90 °.

The rectangular workpiece is fixed conveniently through the 90-degree setting, the rectangular workpiece can be clamped more quickly and conveniently, the time for adjusting the clamp 11 and positioning the workpiece is shortened, the production efficiency is improved, and production interruption and man-hour waste are reduced.

Referring to fig. 1-2, a second sliding groove 8 formed in the top of the clamping plate 4 and a threaded rod 9 in threaded connection with one side of the clamping plate 4 are provided, an installation plate 7 is slidably connected in the second sliding groove 8, a rotating shaft 10 is rotatably connected to the top of the installation plate 7, and a clamp 11 is fixedly connected to one side of the rotating shaft 10.

The threaded rod 9 can drive the mounting plate 7 to move forwards to change the shape of the calipers, so that workpieces of different types can be clamped fixedly, and the working efficiency is improved.

Referring to fig. 1-3, an insert rod 12 is slidably connected to the top of the rotating shaft 10, the insert rod 12 penetrates through the rotating shaft 10, and a through hole corresponding to the insert rod 12 is formed in the top of the mounting plate 7 for limiting the rotating shaft 10.

The limiting of the clamp 11 is completed through the inserted link 12, so that the stability of the clamp 11 is improved, and the displacement during clamping of a workpiece is prevented.

Referring to fig. 1-2, a knob is disposed at one end of the threaded rod 9, and one end of the threaded rod 9 far away from the knob is fixedly connected with the mounting plate 7.

The clamp 11 is pushed out through the threaded rod 9, so that the clamp plate 4 is prevented from affecting the use of the clamp 11, and interference is avoided.

Referring to fig. 1, two sides of a base 1 are provided with a first chute 5, a sliding block 6 is slidably connected in the first chute 5, and the sliding block 6 is fixedly connected with a clamping plate 4.

The stability of the movement of the clamping plate 4 can be improved through the arrangement of the first sliding groove 5 and the sliding block 6, so that the precision of the working process is higher.

The embodiment of the application provides a caliper type hydraulic chuck, which comprises the following implementation principles: when the rectangular workpiece is fixed, the hydraulic cylinder 2 is utilized to drive the clamping plate 4 to move forwards in the chute 5 through the connecting block 3, the groove 13 corresponds to the angle of the rectangular workpiece, the rectangular workpiece is convenient to fix, the rectangular workpiece can be clamped more quickly and conveniently, the clamp 11 is rotated to a relative position through the rotating shaft 10 when the circular workpiece is fixed, then the clamping rod 12 is used for limiting, the threaded rod 9 is rotated, the mounting plate 7 is driven to move forwards along the second chute 8 when the threaded rod 9 is rotated, the clamp 11 is pushed to the front of the clamping plate 4, interference is prevented, and after adjustment is completed, the hydraulic cylinder 2 is controlled to push the clamping plate 4 to drive the clamp 11 to move forwards so as to fix the circular workpiece.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. The utility model provides a calliper formula hydraulic chuck, includes base (1), its characterized in that, the inside fixed mounting of base (1) has two pneumatic cylinders (2), two the equal fixedly connected with connecting block (3) of output of pneumatic cylinder (2), the top fixedly connected with splint (4) of connecting block (3), recess (13) are seted up to the inside of splint (4) for fixed rectangle work piece, and the top of splint (4) is provided with assist mechanism, is used for the fixed to circular work piece.

2. A calliper type hydraulic chuck according to claim 1, characterized in that the auxiliary mechanism comprises a second chute (8) provided at the top of the clamping plate (4) and a threaded rod (9) screwed on one side of the clamping plate (4), the second chute (8) is slidably connected with a mounting plate (7), the top of the mounting plate (7) is rotatably connected with a rotating shaft (10), and one side of the rotating shaft (10) is fixedly connected with a clamp (11).

3. A calliper type hydraulic chuck according to claim 2, wherein the top of the spindle (10) is slidably connected with a plunger (12), the plunger (12) penetrating the spindle (10), and the top of the mounting plate (7) is provided with a through hole corresponding to the plunger (12) for limiting the spindle (10).

4. A calliper type hydraulic chuck according to claim 1, characterized in that the two sides of the base (1) are provided with a first chute (5), the inside of the first chute (5) is slidingly connected with a slide block (6), and the slide block (6) is fixedly connected with the clamping plate (4).

5. A calliper-type hydraulic chuck according to claim 2, wherein the threaded rod (9) is provided with a knob at one end and the threaded rod (9) is fixedly connected to the mounting plate (7) at the end remote from the knob.

6. A calliper-type hydraulic chuck according to claim 1, wherein the grooves (13) are arranged in a "triangle" shape, and the corners of the grooves (13) are at 90 °.