TWI733589B - Clamping positioning device - Google Patents

Abstract

A clamping and positioning device includes a lining tube from the inside to the outside of the base, a spring limiting seat and an outer tube; the spring limiting seat is provided with a number of holes to limit the position of the spring, and a piston is provided on the inner lining tube and the outer tube Between the tubes, the spring is topped on the bottom surface, and the top cover part is sealed on the top surface of the liner tube and the outer tube, and forms a pressure chamber with the piston part. The two pressure sources are connected to the tube and set in the top cover part. A pressure source inlet pipe is conductively connected to the pressure chamber, and the second pressure source inlet pipe is conducted to all steel ball holes on the outer peripheral surface of the liner pipe. According to the pressure source, the piston is pressed down and the steel ball is released at the same time as the pressure source. Push all the steel balls to seal the steel ball holes, so as to ensure that all the steel balls can seal the steel ball holes, and effectively prevent iron dust and dirt from penetrating into the clamping and positioning device, achieving accurate positioning and prolonging the service life.

Description

Clamping and positioning device

The present invention provides a technical field of clamps, in particular, it provides a clamping and positioning device in which the second pressure source drives the piston part to release all the steel balls, and the pressure source can push all the steel balls to seal the steel ball holes. Effectively prevent iron filings, dust and dirt from penetrating into the clamping and positioning device, achieving accurate positioning and prolonging the service life.

Press, please refer to the first figure. It is a conventional clamping mechanism, including a clamping rod on the bottom surface of a working table and correspondingly embedded in a conventional chuck 10, which is equipped with a piston A through hole 111 is provided in the center of the seat 11 and the piston seat 11, and a base body 12 sealed through hole 111 is provided at the bottom, and a movable seat 13 is provided in the through hole 111, and the center of the movable seat 13 is for the clamping rod to be embedded, and A clamping member 14 for clamping the clamping rod is provided around the movable seat 13, and several elastic members 15 for top support are ringed around the movable seat 13, so that the piston seat 11 rises and falls to release and clamp work For the clamping rod of the carrier, a through hole is provided at the center bottom of the movable seat 13, and a boss is provided at the corresponding through hole of the base body 12, and the boss can correspond to the upward displacement of the pushing clamping rod.

It can be seen from the first figure that the conventional chuck 10 is Enter the internal space of the conventional chuck 10, which is below the piston seat 11. The piston seat 11 rises while compressing the elastic member 15, and the clamping member 14 is released from the locked state, and the clamping rod can be disengaged, and when the clamping rod is disengaged Upon completion, the operator will take the high-pressure gas spray gun 16 to clean the processing area and the interior of the conventional chuck 10, which is convenient for the next clamping operation. However, at the same time, the clamping member 14 is out of the clamping state, so There are gaps 17 on the periphery. When the high-pressure gas spray gun 16 blows iron filings and dust 18 under high pressure, part of the iron filings dust 18 will enter the clamp 14 and the piston seat 11 because of this clearance 17 and accumulate. The iron filings and dust 18 will not only cause malfunction of the components, but also cause damage to the conventional fixture 10 in severe cases.

Therefore, how to develop a more ideal and practical innovative structure in response to the problems of the above-mentioned conventional structure is what consumers are eagerly awaiting, and it is also the goal and direction that the relevant industry must strive to develop and breakthrough.

In view of this, the inventor has been engaged in the manufacturing, development and design of related products for many years. Aiming at the above objectives, after detailed design and careful evaluation, he finally obtained a practical invention.

The main purpose of the present invention is to provide a clamping and positioning device. The second pressure source drives the piston to release all the steel balls, and the pressure source can push all the steel balls to seal the steel ball holes, thereby effectively preventing the penetration of iron filings, dust, and dirt. Clamp the inside of the positioning device to achieve accurate positioning and prolong service life.

In order to achieve the above objective, the present invention provides a clamping and positioning device, which includes: a clamping and positioning device, which includes: a base on which a spring limit seat is assembled, and the spring limit seat is provided with a number of holes to limit For the position of the number of springs, an inner liner tube is arranged near the inside of the base, and an outer tube is arranged near the outer side. A piston part is arranged between the inner liner tube and the outer tube. Going up, the lining pipe is surrounded and equally divided with several steel ball holes. The several steel balls can be assembled to move on the aforementioned steel ball holes. The aforementioned piston is provided with a curved inclined surface, and the curved inclined surface is aligned with the aforementioned steel ball. When the diameter of the curved inclined surface changes When the piston part is upward, the steel ball can be pushed out for the positioning of the positioning bolt. A top cover part, the top cover part is sealed on the top surface of the liner tube and the outer tube, and forms a pressure between the piston part The two pressure source inlet pipes are conductively connected to the same pressure source, the aforementioned two pressure source inlet pipes are arranged in the top cover part, the first pressure source inlet pipe is conductively connected to the pressure chamber, and the second pressure source inlet pipe is conducted to the outer circumference of the liner pipe At all the steel ball holes on the surface, the pressure source presses the piston down and the steel balls are released. At the same time, the pressure source also pushes all the steel balls to seal the steel ball holes. This ensures that all the steel balls can seal the steel ball holes and effectively avoid iron Swarf dust and dirt penetrate into the inside of the clamping and positioning device to achieve reliable positioning and prolong service life.

Regarding the technology, means and effects of the present invention, a preferred embodiment is given in conjunction with a detailed description of the drawings. It is believed that the above-mentioned purpose, structure and features of the present invention should be understood in depth and concretely. .

[Learning]

10: Conventional chuck

11: Piston seat

111: Through hole

12: base body

13: Movable seat

14: Clips

15: Elastic parts

16: high pressure gas spray gun

17: gap

〔this invention〕

20: Clamping positioning device

21: Spring limit seat

211: Hole

22: Spring

23: Lining pipe

231: Steel Ball Hole

232: Steel Ball

24: Outer tube

25: Piston

251: radian slope

26: Top cover

261: The first pressure source enters the pipe

262: The second pressure source enters the pipe

27: Pressure chamber

28: Base

29: Hollow

30: Positioning pull bolt

31: Elastic coupling device

40: Pedestal

50: Upper die seat

60: Iron filings, dust and dirt

70: High pressure gas spray gun

The first figure is a plan sectional view of the cleaning action state of the conventional clamping and positioning device.

The second figure is a three-dimensional schematic diagram of an embodiment of the present invention.

The third figure is a three-dimensional exploded schematic view of an embodiment of the present invention.

The fourth figure is a plane cross-sectional view of the positioning state of an embodiment of the present invention.

The fifth figure is a plan sectional view of an unlocked state of an embodiment of the present invention.

The sixth figure is a three-dimensional schematic diagram of the upper mold base of the quick assembly according to an embodiment of the present invention.

The seventh figure is a three-dimensional schematic diagram of the quick-release and clean upper mold base of an embodiment of the present invention.

The eighth figure is a plan sectional view of the quick-release upper mold base of an embodiment of the present invention.

The ninth figure is a plan sectional view of the upper mold base of the quick assembly according to an embodiment of the present invention.

The tenth figure is a plan sectional view of the cleaning operation of one embodiment of the present invention.

The present invention provides a designer of a clamping and positioning device.

In order to enable your reviewer to have a further understanding and understanding of the purpose, features and effects of the present invention, the implementation methods and diagrams are detailed as follows:

Referring to the second to fifth figures, the present invention provides a clamping and positioning device, which includes:

A base 28;

A spring restricting seat 21, the aforementioned spring restricting seat 21 is assembled to Above the aforementioned base 28, the aforementioned spring restricting seat 21 is provided with a number of holes 211 for assembling a number of springs 22, and the aforementioned number of holes 211 can limit the position of the aforementioned number of springs 22;

An inner liner 23, the inner liner 23 is assembled on the base 28 near the inner position, the inner liner 23 is surrounded and equally divided with a number of steel ball holes 231, and the number of steel balls 232 can be assembled and moved in the aforementioned steel ball hole 231 ；

An outer sleeve 24, the outer sleeve 24 is assembled to a position close to the outside on the base 28;

A piston part 25. The piston part 25 is provided between the inner liner tube 23 and the outer tube 24. The bottom surface of the piston part 25 is pressed by the spring 22 and normally upwards. The piston part 25 is provided with a curvature. The inclined surface 251 is aligned with the steel ball 232 with the curved inclined surface 251. When the diameter of the curved inclined surface 251 becomes smaller, that is, when the piston portion 25 moves upward, the steel ball 232 can be pushed out to position a positioning bolt 30;

A top cover part 26, the top cover part 26 is sealed on the top surface of the inner liner tube 23 and the outer tube 24, and forms a pressure chamber 27 between the piston part 25, a first pressure source inlet pipe 261 and A second pressure source inlet pipe 262 is conductively connected to the same pressure source, the aforementioned first and second pressure source inlet pipes 261, 262 are provided in the aforementioned top cover portion 26, and the aforementioned first pressure source inlet pipe 261 is conductively connected to the aforementioned pressure chamber 27. The aforementioned second pressure source inlet pipe 262 is conducted to all the aforementioned steel ball holes 231 on the outer peripheral surface of the aforementioned inner liner pipe 23 to form a clamping and positioning device 20; according to the pressure of the pressure source to force its aforementioned movement When the plug 25 goes down and the steel ball 232 is released, the pressure source also pushes all the steel balls 232 toward the center to seal all the steel ball holes 231, so that all the steel balls 232 can be kept to seal all the steel ball holes 231 at any time. Therefore, it is possible to prevent the iron filings, dust, and dirt 60 from penetrating into the interior of the aforementioned clamping and positioning device 20.

In the clamping and positioning device, the aforementioned pressure source may be a high-pressure gas pressure source.

In the clamping and positioning device, the aforementioned pressure source may be a high-pressure liquid pressure source.

In the clamping and positioning device, the clamping and positioning device 20 must be implemented on a base 40, and an upper mold base 50 may be provided with the positioning pull bolt 30 to allow quick disassembly or quick assembly of the upper mold base 50 actors.

Referring to Figures 6 to 10, the aforementioned clamping and positioning devices 20 can be implemented on a base 40, and an upper mold base 50 can be provided with the same number of positioning bolts 30 as the clamping and positioning devices 20. , In this way, the upper mold base 50 can be quickly disassembled or quickly assembled. When the upper mold base 50 is quickly disassembled and removed, the high-pressure gas spray gun 70 can clean the inner liner 23 of the clamping and positioning device 20 At the same time, because all the steel balls 232 are pushed by the pressure source to seal the steel ball holes 231, the iron filings, dust and dirt 60 cannot invade the inside of the clamping and positioning device 20, so that the component movement can be maintained normally and its service life can be prolonged.

Refer to the eighth and ninth figures, the aforementioned steel ball 232 of the present invention There is the aforementioned second pressure source to keep the pressure blocked at the aforementioned steel ball hole 231, and the gap between the aforementioned steel ball hole 231 and the steel ball 232 has the aforementioned second pressure source to keep blowing, and the upper mold base 50 and the positioning bolt 30 are provided between The elastic coupling device 31 makes the positioning bolt 30 move up and down without jamming.

As shown in the tenth figure, the second pressure source at the steel ball 232 has a middle through hole for exhaust, which will not cause the pressure in the hollow 29 to be too high, causing the user to be unable to place the positioning bolt 30 due to pressure. The problem of getting in.

It can be seen from the above that the clamping and positioning device of the present invention is indeed the first in the industry to meet the novelty requirements of the invention patent, and its comprehensive and innovative design meets the progressive requirements of the invention patent, and the second source of pressure is While driving the piston to release all the steel balls, the pressure source can push all the steel balls to seal the steel ball holes, thereby effectively preventing iron filings and dust from penetrating into the clamping and positioning device, achieving positioning accuracy and prolonging the service life, which is in line with a better industry Exploiters.

The foregoing is a detailed description of the preferred embodiments of the present invention and the technical features of the present invention; however, those skilled in the art should make changes and modifications to the present invention without departing from the spirit and principle of the present invention. Such changes and modifications shall be covered in the scope defined by the scope of the following patent applications.

In summary, the present invention provides a clamping and positioning device, which has indeed achieved all the objectives of the present invention. In addition, the spatial form of its combined structure has not been seen in similar products, nor has it been disclosed before the application, which is in compliance with the patent law. According to regulations, Yan filed an application in accordance with the law.

20: Clamping positioning device

21: Spring limit seat

22: Spring

23: Lining pipe

231: Steel Ball Hole

232: Steel Ball

24: Outer tube

25: Piston

251: radian slope

26: Top cover

261: The first pressure source enters the pipe

262: The second pressure source enters the pipe

27: Pressure chamber

28: Base

Claims (4)

A clamping and positioning device includes: A base A spring limiting seat, the spring limiting seat is assembled above the base, the spring limiting seat is provided with a number of holes for assembling a number of springs, and the number of holes can limit the position of the number of springs; An inner liner tube, the inner liner tube is assembled to a position close to the inside of the base, and the inner liner tube is surrounded and equally divided with steel ball holes, and the steel balls are assembled to move on the steel ball holes; An outer sleeve, the outer sleeve is assembled to a position close to the outside on the base; A piston part, the piston part is arranged between the inner liner tube and the outer tube, the bottom surface of the piston part is abutted by the number of springs and normally upwards, the piston part is provided with a curved inclined surface, and the said curved inclined surface Align the aforementioned steel balls, and when the diameter of the aforementioned radian slope becomes smaller, that is, when the aforementioned piston part is upward, the aforementioned steel balls can be pushed out to position a positioning bolt; and A top cover part, the top cover part is sealed on the top surface of the liner tube and the outer tube, and forms a pressure chamber with the piston part, a first pressure source inlet pipe and a second pressure source inlet pipe The first and second pressure source inlet pipes are provided in the top cover portion, the first pressure source inlet pipe is conductively connected to the pressure chamber, and the second pressure source inlet pipe is connected to the inner liner pipe. All the aforementioned steel ball holes on the outer peripheral surface, with Compose a clamping and positioning device. As for the clamping and positioning device described in item 1 of the scope of patent application, the aforementioned pressure source may be a high-pressure gas pressure source. As for the clamping and positioning device described in item 1 of the scope of patent application, the aforementioned pressure source may be a high-pressure liquid pressure source. The clamping and positioning device described in the first item of the scope of patent application, wherein the clamping and positioning device must be implemented on a base, and an upper mold base must be provided with the positioning bolt, so that it can be quickly disassembled or assembled. The actor of the upper mold base.

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