CN210334409U

CN210334409U - Pneumatic chuck

Info

Publication number: CN210334409U
Application number: CN201920992044.5U
Authority: CN
Inventors: 庞青
Original assignee: Nanjing Ziwei Precision Machinery Co ltd
Current assignee: Nanjing Ziwei Precision Machinery Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-04-17
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a pneumatic chuck relates to pneumatic chuck technical field, and is complicated for solving current clamping mechanism structure, and is with high costs, technology complicacy when not only making, assembling, moves the unstable problem that the spoilage is high moreover. The cylinder is characterized in that an air inlet is formed in one side of the cylinder body, a chuck is arranged at the upper end of the cylinder body, a sliding block is arranged inside the cylinder body, a sliding groove is formed in one side of the sliding block, an air cylinder shaft is arranged at the lower end of the sliding groove, an annular fixing block is arranged at the lower end of the air cylinder shaft, a spring is arranged at the lower end of the annular fixing block, an air cylinder is arranged at the lower end of the spring, a CHS-ESS-3-pressure detector is arranged at one side of the air cylinder, a pressure gauge is arranged at one side of the CHS-ESS-3-pressure detector, a pressure relief valve is arranged at the other side of the air cylinder, an air inlet pipe is arranged at the.

Description

Pneumatic chuck

Technical Field

The utility model relates to a pneumatic chuck technical field specifically is a pneumatic chuck.

Background

Because of the increasing labor cost in China, the automation requirement is more and more, the labor amount is large, the labor intensity is high, and in a machine tool of a machining center and the like, a workpiece for machining is fed into the machine tool in a state of being fixed on a workpiece pallet. In order to position and fix the workpiece pallet to a table of a machine tool with high accuracy, a plurality of clamp mechanisms having a function of positioning the workpiece pallet are attached to the table side. With the development of the technology, a clamping structure which utilizes a movable ball body to clamp a workpiece or a tool and utilizes gas as a driving force appears, but the existing clamping mechanism has a complex structure, high cost and complex process during manufacturing and assembling, and is unstable in operation and high in damage rate.

The existing clamping mechanism has complex structure, high cost and complex process during manufacturing and assembling, unstable operation and high damage rate; therefore, the market is urgently needed to develop a pneumatic chuck to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic chuck to the current clamping mechanism structure that proposes in solving above-mentioned background art is complicated, and is with high costs, technology complicacy when not only making, assembling, moves unstable moreover, problem that the spoilage is high.

In order to achieve the above object, the utility model provides a following technical scheme: a pneumatic chuck comprises a cylinder body, wherein an air inlet is formed in one side of the cylinder body, a chuck is arranged at the upper end of the cylinder body, a sliding block is arranged inside the cylinder body, a sliding groove is formed in one side of the sliding block, an air cylinder shaft is arranged at the lower end of the sliding groove, an annular fixing block is arranged at the lower end of the air cylinder shaft, a spring is arranged at the lower end of the annular fixing block, an air cylinder is arranged at the lower end of the spring, a CHS-ESS-3-pressure detector is arranged at one side of the air cylinder, a pressure gauge is arranged at one side of the CHS-ESS-3-pressure detector, a pressure relief valve is arranged at the other side of the air cylinder, an air inlet pipe is arranged at the lower end of the pressure relief valve, a valve body is arranged inside, a damper is arranged on one side of the valve rod, and a sliding rod is arranged at the lower end of the sliding groove.

Preferably, the cylinder body and the air inlet hole are of an integrated structure, a groove is formed in the chuck, and the cylinder body is connected with the chuck through the groove.

Preferably, the cylinder body and the sliding block are of an integrated structure, the chuck and the sliding groove are of an integrated structure, sliding shafts are arranged at two ends of the sliding rod, the sliding groove is connected with the sliding rod through the sliding shaft, and the air cylinder shaft is connected with the sliding rod through the sliding shaft.

Preferably, the cylinder body is connected with the annular fixing block through screws, the annular fixing block is connected with the spring through screws, and the spring is connected with the cylinder shaft through screws.

Preferably, a groove is formed in the cylinder body, the CHS-ESS-3-pressure detector is connected with the cylinder body through the groove, a hole is formed in the cylinder body, the pressure gauge penetrates through the hole and is connected with the cylinder body, the pressure release valve penetrates through the hole and is connected with the cylinder body, and the air inlet pipe penetrates through the hole and is connected with the cylinder body.

Preferably, the middle of annular fixture block is provided with the hole, the gas pole penetrates the hole and is connected with annular fixture block, the inside of valve body is provided with the fixed block, the valve rod passes through the fixed block and is connected with the valve body.

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

1. the utility model discloses a through the setting of slide bar, can make atmospheric pressure promote the cylinder axle and make the slide bar press from both sides the chuck tightly and relax, make the inner structure of pneumatic chuck become succinct, make manufacturing and equipment become simpler.

2. The utility model discloses a through the setting of CHS-ESS-3-pressure detector, the operator can detect the inside atmospheric pressure of cylinder through CHS-ESS-3-pressure detector, prevents that the inside pressure of cylinder is abnormal and leads to the cylinder to damage, has reduced the spoilage of pneumatic chuck, makes operator's safety obtain the guarantee.

3. The utility model discloses a through the setting of relief valve, can make cylinder internal pressure release through the relief valve when needing the release to when cylinder internal pressure is on the high side, the relief valve can carry out the pressure release automatically, prevents that the cylinder is inside to appear damaging, has reduced the spoilage.

Drawings

Fig. 1 is a front view of a pneumatic chuck according to the present invention;

fig. 2 is an internal structure view of a pneumatic chuck according to the present invention;

fig. 3 is an internal structure diagram of the pressure release valve of the present invention.

In the figure: 1. a cylinder body; 2. an air inlet; 3. a chuck; 4. a slider; 5. a chute; 6. a slide bar; 7. a cylinder shaft; 8. an annular fixed block; 9. a spring; 10. a pressure gauge; 11. a CHS-ESS-3-pressure detector; 12. a pressure relief valve; 13. an air inlet pipe; 14. a valve body; 15. a valve stem; 16. a damper; 17. a gas lever; 18. an annular fixture block; 19. and a cylinder.

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, the present invention provides an embodiment: a pneumatic chuck comprises a cylinder body 1, an air inlet 2 is arranged on one side of the cylinder body 1, a chuck 3 is arranged at the upper end of the cylinder body 1, a sliding block 4 is arranged inside the cylinder body 1, a sliding groove 5 is arranged on one side of the sliding block 4, an air cylinder shaft 7 is arranged at the lower end of the sliding groove 5, an annular fixing block 8 is arranged at the lower end of the air cylinder shaft 7, a spring 9 is arranged at the lower end of the annular fixing block 8, an air cylinder 19 is arranged at the lower end of the spring 9, a CHS-ESS-3-pressure detector 11 is arranged on one side of the air cylinder 19, a pressure gauge 10 is arranged on one side of the CHS-ESS-3-pressure detector 11, a pressure relief valve 12 is arranged on the other side of the air cylinder 19, an air inlet pipe 13 is arranged at the lower end of the pressure relief valve 12, one side of the valve rod 15 is provided with a damper 16, and the lower end of the chute 5 is provided with a slide rod 6.

Further, the cylinder body 1 and the air inlet 2 are provided with an integrated structure, a groove is formed in the chuck 3, and the cylinder body 1 is connected with the chuck 3 through the groove.

Further, the cylinder body 1 and the sliding block 4 are arranged to be of an integrated structure, the chuck 3 and the sliding groove 5 are arranged to be of an integrated structure, sliding shafts are arranged at two ends of the sliding rod 6, the sliding groove 5 is connected with the sliding rod 6 through the sliding shaft, the air cylinder shaft 7 is connected with the sliding rod 6 through the sliding shaft, the sliding rod 6 can enable air pressure to push the air cylinder shaft 7 to enable the sliding rod 6 to clamp and loosen the chuck 3, the internal structure of the pneumatic chuck is enabled to be simple, and manufacturing and assembling are enabled to be simpler.

Further, the cylinder body 1 is connected with the annular fixing block 8 through screws, the annular fixing block 8 is connected with the spring 9 through screws, and the spring 9 is connected with the cylinder shaft 7 through screws.

Furthermore, a groove is arranged inside the cylinder body 1, the CHS-ESS-3-pressure detector 11 is connected with the cylinder body 1 through the groove, a hole is arranged inside the cylinder body 1, the pressure gauge 10 penetrates the hole to be connected with the cylinder body 1, the pressure release valve 12 penetrates the hole to be connected with the cylinder body 1, the air inlet pipe 13 penetrates the hole to be connected with the cylinder body 1, an operator of the CHS-ESS-3-pressure detector 11 can detect the air pressure inside the air cylinder 19 through the CHS-ESS-3-pressure detector 11, the damage of the air cylinder 19 caused by abnormal pressure inside the air cylinder 19 is prevented, the damage rate of a pneumatic chuck is reduced, the safety of the operator is guaranteed, the pressure release valve 12 can release the internal pressure through the pressure release valve 12 when the internal pressure of the air cylinder 19 needs to be released, and when the internal pressure of the air cylinder 19 is higher, damage to the inside of the cylinder 19 is prevented, so that the rate of damage is reduced.

Further, a hole is formed in the middle of the annular clamping block 18, the air rod 17 penetrates through the hole to be connected with the annular clamping block 18, a fixing block is arranged inside the valve body 14, and the valve rod 15 is connected with the valve body 14 through the fixing block.

The working principle is as follows: when the pneumatic chuck is used, an operator uses a pipeline to connect into the air inlet hole 2, so that the pneumatic chuck starts to work, air pressure enters the air inlet pipe 13 through the air inlet hole 2 and then enters the air cylinder 19 through the air inlet pipe 13, the air pressure inside the air cylinder 19 is increased, the air cylinder shaft 7 moves upwards through the increase of the air pressure, the slide rod 6 slides inwards through the movement of the air cylinder shaft 7, the slide rod 6 slides inwards to drive the chuck 3 to clamp, the operator detects the pressure inside the air cylinder 19 through the CHS-ESS-3-pressure detector 11 inside the air cylinder 19 to prevent the pressure inside the air cylinder 19 from being abnormal, when the pressure is abnormally increased, the pressure enters the pressure release valve 12, the air pressure can push the air rod 17 upwards, the valve rod 15 is pushed upwards, and the valve rod 15 is pushed upwards, because the valve rod 15 is connected with the valve body 14 through the fixed block, the lower end of the valve body 14 leaks out of the gap, so that the air pressure starts to leak from the gap at the lower end of the valve body 14, and when the air pressure reaches a normal value, the damper 16 pulls the valve rod 15 downwards to close the gap of the valve body 14, so that the air is not leaked any more, and the pneumatic chuck starts to work normally.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A pneumatic chuck comprising a cylinder (1), characterized in that: an air inlet (2) is arranged on one side of the cylinder body (1), a chuck (3) is arranged at the upper end of the cylinder body (1), a sliding block (4) is arranged inside the cylinder body (1), a sliding groove (5) is arranged on one side of the sliding block (4), a cylinder shaft (7) is arranged at the lower end of the sliding groove (5), an annular fixed block (8) is arranged at the lower end of the cylinder shaft (7), a spring (9) is arranged at the lower end of the annular fixed block (8), an air cylinder (19) is arranged at the lower end of the spring (9), a CHS-ESS-3-pressure detector (11) is arranged on one side of the air cylinder (19), a pressure gauge (10) is arranged on one side of the CHS-ESS-3-pressure detector (11), a pressure release valve (12) is arranged on the other side of the air cylinder (19, the inside of relief valve (12) is provided with valve body (14), the lower extreme of valve body (14) is provided with valve rod (15), the lower extreme of valve rod (15) is provided with gas pole (17), the lower extreme of gas pole (17) is provided with annular fixture block (18), one side of valve rod (15) is provided with attenuator (16), the lower extreme of spout (5) is provided with slide bar (6).

2. A pneumatic chuck according to claim 1, wherein: the cylinder body (1) and the air inlet hole (2) are of an integrated structure, a groove is formed in the chuck (3), and the cylinder body (1) is connected with the chuck (3) through the groove.

3. A pneumatic chuck according to claim 1, wherein: the cylinder body (1) and the sliding block (4) are arranged to be of an integrated structure, the chuck (3) and the sliding groove (5) are arranged to be of an integrated structure, sliding shafts are arranged at two ends of the sliding rod (6), the sliding groove (5) is connected with the sliding rod (6) through the sliding shafts, and the air cylinder shaft (7) is connected with the sliding rod (6) through the sliding shafts.

4. A pneumatic chuck according to claim 1, wherein: the cylinder body (1) is connected with the annular fixing block (8) through screws, the annular fixing block (8) is connected with the spring (9) through screws, and the spring (9) is connected with the cylinder shaft (7) through screws.

5. A pneumatic chuck according to claim 1, wherein: the improved cylinder is characterized in that a groove is formed in the cylinder body (1), the CHS-ESS-3-pressure detector (11) is connected with the cylinder body (1) through the groove, a hole is formed in the cylinder body (1), the pressure gauge (10) penetrates through the hole and is connected with the cylinder body (1), the pressure release valve (12) penetrates through the hole and is connected with the cylinder body (1), and the air inlet pipe (13) penetrates through the hole and is connected with the cylinder body (1).

6. A pneumatic chuck according to claim 1, wherein: the middle of annular fixture block (18) is provided with the hole, gas pole (17) penetrate the hole and are connected with annular fixture block (18), the inside of valve body (14) is provided with the fixed block, valve rod (15) are connected with valve body (14) through the fixed block.