CN212705768U

CN212705768U - Slow-witted ware is prevented to air-suction type tool

Info

Publication number: CN212705768U
Application number: CN202021421986.7U
Authority: CN
Inventors: 宋保龙
Original assignee: Shangqiu Jinzhenyuan Electronic Technology Co Ltd
Current assignee: Shangqiu Jinzhenyuan Electronic Technology Co Ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-03-16
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a slow-witted ware is prevented to air-suction type tool belongs to air-suction type tool technical field. An air-suction type jig fool-proofing device comprises a shell and a connector, wherein the bottom of the shell is fixedly connected with the connector, the connector is connected with a vacuum jig, a first cavity is formed inside the shell, a second cavity is formed inside the connector, the first cavity is communicated with the second cavity, and a conductive piston is slidably sealed inside the shell; the utility model discloses a connector is connected to the vacuum tool with the device on, connect on the board at first terminal and three wiring connection two wires respectively, the suction that receives the negative pressure when the normal during operation of vacuum tool can stretch conductive spring, make conductive piston and electric conductor paste together, let two lines constitute the return circuit, can give a vacuum tool normal signal of lathe, then carry out follow-up processing, otherwise the device does not give the lathe and send a signal, the lathe then can report to the police, the leakproofness that this device can real-time supervision vacuum tool.

Description

Slow-witted ware is prevented to air-suction type tool

Technical Field

The utility model relates to an air-suction type tool technical field especially relates to a slow-witted ware is prevented to air-suction type tool.

Background

In the current numerical control machining, the application of the air suction jig in the thin-wall machining production is more and more, however, some problems in a large number of application processes slowly draw attention to the vacuum jig, that is, how to prevent the vacuum jig from being damaged by untight suction of a product caused by the miss-hitting of a vacuum valve, the air leakage of the vacuum jig, the insufficient vacuum suction force and the like, and the safety accident caused by flying materials becomes a difficult problem in the use of the vacuum jig.

Through retrieval, the Chinese patent with the application number of CN201310432341.1 discloses a portable vacuum leak detector, which comprises an air suction cylinder and a cavity, wherein the air suction cylinder and the cavity are in sealed connection through a transition pipe; the upper end of the air pumping cylinder is provided with a handle hole, and an air pumping handle connected to the upper end of the pumping rod extends out of the handle hole; the lower end of the drawing rod is provided with a convex body, the end of the convex body, far away from the handle, is provided with threads, so that the drawing rod is connected with a nut in a matched manner, and the nut is connected with the piston; a sealing ring is arranged on the piston, so that a sealing space is formed between the piston and the inner wall of the air extraction cylinder; a spring is connected between the upper end of the piston and the inner wall of the upper end of the air suction cylinder, so that the piston has an automatic reset function, and the suction rod and the nut both penetrate through the spring; the bottom of the air pumping cylinder is provided with a valve port, and the valve port is provided with an air outlet valve; the top end and the middle part of the air outlet valve are hollow, the bottom end is sealed, and an air outlet is arranged on the outer wall and communicated with the hollow middle part; a rubber ring is sleeved outside the air outlet atmosphere valve; the middle part of the upper end surface of the cavity is sunken, a valve port is arranged in the middle of the sunken part, the light valve is installed on the valve port, and a transition flange is arranged outside the cavity and used for being connected with an alcohol detector. The above patents suffer from the following disadvantages: manual operation is required, labor is consumed, and real-time leak detection and alarm supply cannot be realized.

The Chinese patent with the application number of CN201820908068.3 discloses a manual pushing and pressing portable vacuum leak detection device, which comprises an outer cylinder body with openings at two ends, wherein the outer cylinder body is vertically arranged, and the bottom end of the outer cylinder body is hermetically connected with a vacuum sucker; an inner cylinder body is vertically arranged in the outer cylinder body, the bottom end of the inner cylinder body is closed, and the outer wall of the inner cylinder body is hermetically connected with the inner wall of the outer cylinder body through a connecting assembly; a piston is arranged in the inner cylinder, the side edge of the piston is hermetically connected with the inner wall of the inner cylinder, the top of the piston is fixedly connected with the bottom end of the piston rod, and a compression spring is arranged between the bottom end of the piston and the bottom of the inner cavity of the inner cylinder; the top end of the outer cylinder body is provided with a sealing cover for sealing the top end of the outer cylinder body and the top end of the inner cylinder body; the top end of the piston rod penetrates upwards and extends out of the sealing cover, and the piston rod is connected with the sealing cover in a sealing mode; the sealing cover is provided with an exhaust port for communicating the inner cylinder body with the space above the sealing cover, and an exhaust check valve is arranged in the exhaust port; the upper part of the side wall of the inner cylinder body is provided with a connecting hole for communicating the inner cavity of the inner cylinder body with the inner cavity of the outer cylinder body, and a connecting one-way valve with the air guide direction entering the inner cavity of the inner cylinder body from the inner cavity of the outer cylinder body is arranged in the connecting hole; the bottom end of the inner cylinder is communicated with the outer space of the outer cylinder through a connecting pipeline; the side wall of the outer barrel is provided with a communicating pipe used for communicating with an external space, the communicating pipe is provided with a valve, and the communicating pipe between the valve and the outer barrel is provided with a pressure gauge used for monitoring the air pressure in the inner cavity of the outer barrel. The devices in the above patents suffer from the following disadvantages: this device need artificially press the intracavity gas of discharging, forms the negative pressure, whether changes through observing manometer numerical value and confirms whether leak gas, its complex operation, and extravagant manpower, because of the sucking disc with wait to examine that it is not good to leak the position to have the leakproofness, so can only carry out rough spot check and leak, and can not leak in real time and provide the warning.

Disclosure of Invention

The utility model discloses the purpose is for solving the problem that exists among the above-mentioned prior art and providing a gas leakage detection device for vacuum tool, and the technical scheme who takes for reaching above-mentioned purpose is:

the utility model provides a slow-witted ware is prevented to air-suction type tool, includes shell and connector, shell bottom fixedly connected with connector, vacuum tool is connected to the connector, the inside of shell forms first cavity, the inside of connector forms the second cavity, first cavity intercommunication second cavity, the inside sliding seal of shell has electrically conductive piston, electrically conductive piston's top is provided with first terminal, peg graft at the top of shell has the second spliced pole, first spliced pole passes through electrically conductive spring and second spliced pole fixed connection, the bottom of first cavity is fixed with the electric conductor.

Preferably, the periphery of the conductive piston is provided with a rubber sealing ring.

Preferably, one end of the conductor is provided with a third terminal, and the third terminal is exposed out of the housing.

Preferably, the shape of the conductor is a circular ring.

Preferably, the housing and the connector are both cylindrical, and the diameter of the connector is smaller than that of the housing.

Compared with the prior art, the utility model provides an air-suction type tool prevents slow-witted ware possesses following beneficial effect:

1. the utility model monitors whether the vacuum jig leaks gas or not through the shell, the connector, the first cavity, the second cavity, the conductive piston, the first terminal, the second terminal, the conductive spring, the electric conductor, the rubber sealing ring and the third terminal, the device is connected to the vacuum jig through the connector, two wires are respectively connected with the first terminal and the third terminal and are connected on the machine table, when the vacuum jig works normally, the conductive spring is stretched by the suction force of negative pressure, the conductive piston and the electric conductor are attached together, the two wires form a loop, a normal signal of the vacuum jig can be given to the machine tool, then the subsequent processing is carried out, otherwise, the device does not send a signal to the machine tool, the machine tool can give an alarm, the device can monitor the sealing performance of the vacuum jig in real time, and alarm in time to remind a user when gas leakage occurs at the connection part, the rejection rate of products is reduced, the production efficiency is improved.

2. The utility model discloses, can design into the spring of different elastic coefficient according to vacuum tool to the requirement of suction, satisfy different suction demands, convenient to use.

3. The utility model discloses be connected with the pneumatic valve of vacuum tool to vacuum cavity body some part and utilize the principle of negative pressure to make the invention pass to digit control machine tool a signal and inhale tightly as vacuum tool and accomplish the signal, then carry out subsequent production and processing. If the vacuum suction force of the jig is insufficient, the machine tool can not receive a vacuum jig suction completion signal, the machine tool gives an alarm to prompt field production personnel, processing scrap in the production process and safety accidents caused by flying materials can be greatly reduced through the application of the vacuum jig suction force warning device, meanwhile, the production efficiency is improved, springs with different elastic coefficients can be designed according to the requirements of the vacuum jig on the suction force, the requirements of different suction forces are met, and the vacuum jig suction force warning device is convenient to use.

Drawings

FIG. 1 is a front view of the cross-sectional structure of the present invention;

fig. 2 is a schematic view of the top view structure at a-a of the present invention.

In the figure: 1. a housing; 2. a connector; 3. a first cavity; 4. a second cavity; 5. a conductive piston; 6. a first terminal post; 7. a second terminal; 8. a conductive spring; 9. an electrical conductor; 10. a rubber seal ring; 11. and a third binding post.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, an air-suction type tool fool-proofing device comprises a housing 1 and a connector 2, the bottom of the housing 1 is fixedly connected with the connector 2, the housing 1 and the connector 2 are both cylindrical, the diameter of the connector is smaller than that of the housing, the device is connected to a vacuum tool through the connector 2, the connector 2 is connected with the vacuum tool, a first cavity 3 is formed inside the housing 1, a second cavity 4 is formed inside the connector 2, the first cavity 3 is communicated with the second cavity 4, a conductive piston 5 is slidably sealed inside the housing 1, a rubber sealing ring 10 is arranged on the circumference of the conductive piston 5, the rubber sealing ring 10 is matched with the inner wall of the housing 1 to prevent air from entering the cavity with negative pressure, a first terminal 6 is arranged on the top of the conductive piston 5, a second terminal 7 is inserted on the top of the housing 1, the first terminal 6 is fixedly connected with the second terminal 7 through a conductive spring 8, the conductive spring 8 can be replaced by a conductive spring with different elastic coefficients, the spring with different elastic coefficients can be designed according to the requirement of the vacuum jig on the suction force, the requirements of different suction forces are met, the bottom of the first cavity 3 is fixed with a conductive body 9, the conductive body 9 is in a circular ring shape, one end of the conductive body 9 is provided with a third binding post 11, the third binding post is exposed out of the shell 1, two wires are respectively connected with the first binding post 6 and the third binding post 11 and are connected on a machine table, the first binding post 6 and the third binding post 11 are designed to be waterproof, when the vacuum jig normally works, the conductive spring 8 is stretched by the suction force of the negative pressure, the conductive piston 5 and the conductive body 9 are attached together, two wires form a loop, a normal signal of the vacuum jig can be given to the machine tool, then subsequent processing is carried out, otherwise, the device does not send a signal to the machine tool, and the machine tool gives an alarm.

The utility model discloses in, this device can monitor whether the vacuum tool leaks gas, be connected to the vacuum tool through connector 2, connect two wires on first terminal 6 and third terminal 11 respectively and connect on the board, receive the suction of negative pressure when the vacuum tool normally works and can stretch conductive spring 8, make conductive piston 5 and electric conductor 9 paste together, let two lines constitute the return circuit, can give a vacuum tool normal signal to the lathe, then carry out subsequent processing, otherwise the device does not send a signal to the lathe, the lathe then can report to the police, the leakproofness of vacuum tool can be monitored in real time to this device, and in time report to the police and remind the user when the gas leakage condition appears in the junction, the rejection rate of product is reduced, production efficiency is promoted; meanwhile, springs with different elastic coefficients can be designed according to the requirements of the vacuum jig on the suction force, so that the requirements of different suction forces are met, and the vacuum jig is convenient to use.

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 slow-witted ware is prevented to air-suction type tool, includes shell (1) and connector (2), its characterized in that, shell (1) bottom fixedly connected with connector (2), vacuum tool is connected in connector (2), the inside of shell (1) forms first cavity (3), the inside of connector (2) forms second cavity (4), first cavity (3) intercommunication second cavity (4), the inside sliding seal of shell (1) has electrically conductive piston (5), the top of electrically conductive piston (5) is provided with first terminal (6), it has second terminal (7) to peg graft at the top of shell (1), first terminal (6) are through conducting spring (8) and second terminal (7) fixed connection, the bottom of first cavity (3) is fixed with electric conductor (9).

2. The pneumatic tool fool-proofing device as claimed in claim 1, wherein the circumference of the conductive piston (5) is provided with a rubber sealing ring (10).

3. The air-suction type jig fool-proofing device as claimed in claim 1, wherein one end of the conductor (9) is provided with a third terminal (11), and the third terminal is exposed out of the housing (1).

4. The pneumatic tool foolproof device as claimed in any one of claims 1 to 3, wherein the conductive body (9) is shaped as a circular ring.

5. The pneumatic tool fool-proofing device as claimed in claim 4, wherein the housing (1) and the connector (2) are both cylindrical in shape, and the diameter of the connector is smaller than that of the housing.