CN112284648A

CN112284648A - Device for checking number of steel balls after bearing ball loading

Info

Publication number: CN112284648A
Application number: CN201910623658.0A
Authority: CN
Inventors: 邱小川; 谢爱明
Original assignee: Yangzhou Kangpaier Machinery Technology Co ltd
Current assignee: Yangzhou Kangpaier Machinery Technology Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2021-01-29

Abstract

The invention discloses a device for checking the number of steel balls after a bearing is loaded with balls, which comprises a bottom plate, wherein a cylindrical block is fixedly connected to the center of the top of the bottom plate, a circular ring is sleeved outside the cylindrical block, the bottom of the circular ring is fixedly connected to the top of the bottom plate, the circular ring and the cylindrical block are coaxially arranged, a plurality of air inlet pipes are arranged between the circular ring and the cylindrical block, the air inlet pipes are vertically arranged and are in central symmetry distribution by taking the cylindrical block as the center, the bottom end of each air inlet pipe is connected with an air suction pump through a hard pipe pipeline, an air pressure sensor is installed in each hard pipe pipeline, the air pressure sensor and the air suction pump are both electrically connected with a plc programmable controller, and the plc programmable controller is also electrically connected with a. The device is simple and small in structure and accurate in inspection.

Description

Device for checking number of steel balls after bearing ball loading

Technical Field

The invention relates to the technical field of bearing production, in particular to a device for checking the number of steel balls after a bearing is loaded with balls.

Background

In present bearing production process, in order to improve the qualification rate of bearing, whether the steel ball of bearing is filled and is examined completely, to artifical inspection, inefficiency, extravagant labour's defect, need provide a simple structure, convenient to use's device is examined.

Disclosure of Invention

The invention aims to provide a device for checking the number of steel balls after a bearing is loaded, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a steel ball number inspection device behind bearing dress ball, includes the bottom plate, the top center fixedly connected with cylinder piece of bottom plate, the outside cover of cylinder piece is equipped with the ring, the top of the bottom fixed connection bottom plate of ring, and ring and the coaxial setting of cylinder piece, be provided with a plurality of intake pipes between ring and the cylinder piece, the vertical setting of intake pipe, and the intake pipe uses the cylinder piece to be central symmetric distribution as the center, there is the aspiration pump bottom of intake pipe through hard tube pipe connection, install baroceptor in the hard tube pipeline, baroceptor and the equal electric connection plc programmable controller of aspiration pump, plc programmable controller still electric connection has human-computer interaction device.

Preferably, the sleeve is sleeved at the pipe orifice of the air inlet pipe, a spring is arranged at the bottom of the sleeve, the spring is sleeved on the air inlet pipe, and the two ends of the spring are fixedly connected with the bottom of the sleeve and the bottom plate respectively.

Preferably, a circle of rubber strip is fixedly connected to the inner wall of the bottom end of the sleeve, and one side, far away from the sleeve, of the rubber strip is in contact with the wall of the air inlet pipe.

Preferably, the air-tight device comprises two groups of annular air bags, wherein one group of annular air bags are sleeved on the cylindrical block, the other group of annular air bags are sleeved on the cylindrical block and fixed on the inner wall of the circular ring, the two groups of annular air bags are connected with a three-way pipe through a pipeline, one end of the three-way pipe is connected with an air outlet of the air suction pump, electric control valves are mounted at two ends of the three-way pipe, which are not connected with the air suction pump, and the electric control valves are electrically connected with a plc programmable controller.

Preferably, the pipe diameter of the air inlet pipe and the sleeve is not larger than the distance between the circular ring and the cylindrical block.

Compared with the prior art, the invention has the beneficial effects that: the air suction pump provides suction for the air inlet pipe through a pipeline, before the bearing is assembled with the retainer, the inner steel balls are equally divided and placed between the circular ring and the cylindrical block and matched with the air inlet pipe, when the number of the steel balls is right, the air inlet pipe is completely blocked by the steel balls of the bearing, and air pressure data is increased. The steel balls are judged to be qualified products through a PLC on the machine, when the number of the steel balls is one or more, the pressure cannot reach a normally set value at the moment because the ball pocket similar to the steel ball is arranged on the die and is not completely blocked by the steel ball of the bearing to leak air; the device is simple and small in structure and accurate in inspection.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a control block diagram of the present invention;

reference numbers in the figures: the device comprises a base plate 1, a cylindrical block 2, a ring 3, an air inlet pipe 4, an air pump 5, an air pressure sensor 6, a sleeve 7, a spring 8, a rubber strip 9, an annular air bag 10, a three-way pipe 11 and an electric control valve 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a steel ball number inspection device behind bearing dress ball, includes bottom plate 1, the top center fixedly connected with cylinder piece 2 of bottom plate 1, the outside cover of cylinder piece 2 is equipped with ring 3, the top of the bottom fixed connection bottom plate 1 of ring 3, and ring 3 and the coaxial setting of cylinder piece 2, be provided with a plurality of intake pipe 4 between ring 3 and the cylinder piece 2, the vertical setting of intake pipe 4, and intake pipe 4 uses cylinder piece 2 to be central symmetric distribution as the center, the bottom of intake pipe 4 has aspiration pump 5 through hard tube pipe connection, install baroceptor 6 in the hard tube pipeline, baroceptor 6 and the equal electric connection plc programmable controller of aspiration pump 5, plc programmable controller still electric connection has the human-computer interaction device.

The mouth of pipe department cover of intake pipe 4 is equipped with sleeve pipe 7, the bottom of sleeve pipe 7 is provided with spring 8, spring 8 cover is established in intake pipe 4, and spring 8's both ends respectively fixed connection sleeve pipe 7's bottom and bottom plate 1. Fixedly connected with round rubber strip 9 on the bottom inner wall of sleeve pipe 7, one side that sleeve pipe 7 was kept away from to rubber strip 9 contacts with 4 pipe walls of intake pipe.

The air-tight device comprises two groups of annular air bags 10, wherein one group of annular air bags 10 are sleeved on the cylindrical block 2, the other group of annular air bags 10 are sleeved on the cylindrical block 2 and fixed on the inner wall of the circular ring 3, the two groups of annular air bags 10 are connected with a three-way pipe 11 through a pipeline, one end of the three-way pipe 11 is connected with an air outlet of the air pump 5, electric control valves 12 are arranged at two ends, not connected with the air pump 5, of the three-way pipe 11, and the electric control valves 12 are electrically connected with a plc programmable controller.

The pipe diameter of the air inlet pipe 4 and the sleeve 7 is not larger than the distance between the circular ring 3 and the cylindrical block 2.

The air suction pump provides suction for the air inlet pipe through a pipeline, before the bearing is assembled with the retainer, the inner steel balls are equally divided and placed between the circular ring and the cylindrical block and matched with the air inlet pipe, when the number of the steel balls is right, the air inlet pipe is completely blocked by the steel balls of the bearing, and air pressure data is increased. The steel balls are judged to be qualified products through a PLC on the machine, when the number of the steel balls is one or more, the pressure cannot reach a normally set value at the moment because the ball pocket similar to the steel ball is arranged on the die and is not completely blocked by the steel ball of the bearing to leak air; the device is simple and small in structure and accurate in inspection.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steel ball number inspection device after bearing dress ball, includes bottom plate (1), its characterized in that: the utility model discloses a pneumatic control system, including bottom plate (1), bottom plate, circular ring (3), intake pipe (4), air inlet pipe (4), and intake pipe (4) are central symmetric distribution with cylinder piece (2), the bottom of intake pipe (4) has aspiration pump (5) through hard tube pipe connection, install baroceptor (6) in the hard tube pipeline, baroceptor (6) and the equal electric connection plc programmable controller of aspiration pump (5), plc programmable controller still electric connection has human-computer interaction device, the outside cover of cylinder piece (2) is equipped with ring (3), the top of the bottom fixed connection bottom plate (1) of ring (3), and ring (3) and the coaxial setting of cylinder piece (2), be provided with a plurality of intake pipe (4) between ring (3) and cylinder piece (2), intake pipe (4) vertical setting, and intake pipe (4) use cylinder piece (2) as the center and be central symmetric.

2. The device for checking the number of steel balls after the bearing is loaded with balls, according to claim 1, wherein: the mouth of pipe department cover of intake pipe (4) is equipped with sleeve pipe (7), the bottom of sleeve pipe (7) is provided with spring (8), spring (8) cover is established in intake pipe (4), and the both ends of spring (8) are bottom and bottom plate (1) of fixed connection sleeve pipe (7) respectively.

3. The device for checking the number of steel balls after the bearing is loaded with balls, according to claim 2, wherein: fixedly connected with round rubber strip (9) on the bottom inner wall of sleeve pipe (7), one side and intake pipe (4) pipe wall contact that sleeve pipe (7) were kept away from in rubber strip (9).

4. The device for checking the number of steel balls after the bearing is loaded with balls, according to claim 1, wherein: still include airtight device, airtight device includes two sets of annular gasbag (10), and wherein a set of annular gasbag (10) cup joints on cylinder piece (2), and another set of annular gasbag (10) cover is established on cylinder piece (2), and it fixes on the inner wall of ring (3), and two sets of annular gasbag (10) all have three-way pipe (11) through pipe connection, the gas outlet of aspiration pump (5) is connected to the one end of three-way pipe (11), electrically controlled valve (12) are all installed at the both ends that three-way pipe (11) are not connected with aspiration pump (5), electrically controlled valve (12) electric connection plc programmable controller.

5. The device for checking the number of balls after ball-loading of a bearing according to claim 1, 2 or 3, wherein: the pipe diameter of the air inlet pipe (4) and the sleeve (7) is not larger than the distance between the circular ring (3) and the cylindrical block (2).