CN111715530B

CN111715530B - Automatic bearing steel ball shaving device and working method

Info

Publication number: CN111715530B
Application number: CN202010522630.0A
Authority: CN
Inventors: 董林茹; 杨璐
Original assignee: Quanzhou Investment From Taiwan Area Shuan Yi Commerce And Trade Co ltd
Current assignee: Quanzhou Investment From Taiwan Area Shuan Yi Commerce And Trade Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-09-21
Anticipated expiration: 2040-06-10
Also published as: CN111715530A

Abstract

The invention relates to the technical field of bearing steel ball processing equipment, in particular to an automatic shaving device for bearing steel balls. The invention has the beneficial effects that: through this application, can be more accurate the less steel ball of rejection ball footpath, shaving the inferior rate higher, can place yields, substandard product differentiation in addition, need not the workman and collect with the manual mode, reduced intensity of labour, set up and block the unit, through blocking the unit action for only a steel ball drops to shaving the draw-in groove of carousel at every turn, has improved the precision of shaving the operation.

Description

Automatic bearing steel ball shaving device and working method

Technical Field

The invention relates to the technical field of bearing steel ball processing equipment, in particular to an automatic bearing steel ball shaving device and a working method.

Background

The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body.

The bearing generally comprises an inner ring, an outer ring, a retainer, steel balls and the like, and during the rough machining process of the steel balls, due to machining errors, the sizes of the steel balls may deviate to a certain degree, so that the ball diameter of the steel balls is small, the subsequent fine grinding of the steel balls is influenced, the surface roughness of the steel balls after fine grinding is large, the precision of the bearing is low after assembly, the noise is large, and the steel balls need to be shaved for times, and the steel balls with small sizes are removed.

Disclosure of Invention

The invention aims to overcome the problems in the prior art and provides an automatic bearing steel ball shaving device and a working method, which can solve the problems in the prior art to at least a certain extent.

In order to achieve the technical purpose and achieve the technical effect, the invention is realized by the following technical scheme:

an automatic steel ball shaving device comprises a base, wherein the base is horizontally and rotatably connected with a shaving rotary table, a plurality of clamping grooves with hemispherical longitudinal sections are arranged on the peripheral surface of the shaving rotary table along the axial direction of the shaving rotary table, a storage bin is arranged above the base, the lower end of the storage bin is communicated and connected with a communication bin, the bore diameter of the inner bore of the communication bin is matched with the ball diameter of a steel ball, a blocking unit used for blocking the steel ball from moving downwards is arranged on the communication bin, the lower end of the communication bin corresponds to the clamping groove positioned at the top of the communication bin, so that the steel ball can fall onto the clamping groove from the inner bore of the communication bin, a groove communicated with the bottom wall of the clamping groove is arranged in the shaving rotary table, a miniature pressure sensor is arranged in the groove, two opposite ends of the base are respectively provided with a cavity, the two cavities are respectively defined as a good product storage cavity and a defective product storage cavity, a slideway is respectively arranged between the two cavities and the shaving rotary table, and one end of the communication bin, which is adjacent to the defective product storage cavity, is provided with a limiting unit for blocking the steel balls from entering the defective product storage cavity.

As a further optimization of the technical scheme, the blocking unit comprises two stop rods respectively hinged to inner walls on two opposite sides of the communicating bin, the stop rods extend downwards towards one end of the inner side of the communicating bin in an inclined manner, a clearance groove for the stop rods to freely pass through in a rotating manner is correspondingly formed in the inner wall of the communicating bin, two micro cylinders are horizontally arranged on the outer wall of the communicating bin, and cylinder rods of the two micro cylinders are slidably matched to penetrate through the communicating bin and respectively abut against the two stop rods, so that the two stop rods can upwards rotate along the hinged position with the inner wall of the communicating bin.

As a further optimization of the above technical solution, the limiting unit includes a baffle plate vertically sliding and penetrating out of the outer wall of the communicating bin, one end of the baffle plate penetrating into the communicating bin is provided with a sliding block made of a magnetic material, a sliding groove for clamping the sliding block and capable of vertically and freely sliding is correspondingly arranged in the communicating bin, an electromagnet is arranged in the sliding groove, an elastic member is arranged between the electromagnet and the sliding block, and the elastic member abuts against the sliding block and drives the sliding block to move downwards, so that the baffle plate penetrates out of the communicating bin.

As a further optimization of the above technical solution, the elastic member is a spring, and two ends of the spring respectively abut against the electromagnet and the slider.

As a further optimization of the above technical solution, the slide is made of rubber.

The working method of the automatic steel ball and steel ball shaving device comprises the following steps:

step 1) pouring a plurality of steel balls into a storage bin, wherein the steel balls entering the communication bin cannot fall down under the blocking of a blocking unit, and an external motor drives a shaving turntable to rotate, so that one clamping groove rotates to the position right below the communication bin;

step 2) resetting the blocking unit to enable the steel balls abutted against the stop lever to fall onto the clamping grooves, enabling the blocking unit to act rapidly after the steel balls fall, blocking the falling of the steel balls behind, enabling the steel balls to be clamped in the clamping grooves to generate pressure on the miniature pressure sensor when the ball diameter of the steel balls is not larger than that of the clamping grooves, enabling the pressure sensor to generate pressure signals and feed the pressure signals back to an external controller, enabling the external controller to control the limiting unit to reset, enabling an external motor to drive a shaving turntable to rotate, enabling the other clamping groove to rotate to be right below a communicating bin, enabling the steel balls clamped in the clamping grooves to roll onto a slide way adjacent to the defective product storage cavity, and enabling the steel balls to roll into the defective product storage cavity through the slide way;

and 3) when the ball diameter of the steel ball falling from the communicating bin is larger than the ball diameter of the clamping groove, the steel ball cannot be clamped into the clamping groove, the miniature pressure sensor does not generate a pressure signal, the external controller controls the limiting unit to act, the shaving rotating disc rotates at the same time, and the steel ball rolls to another slideway from the shaving rotating disc and rolls into the good product storage cavity through the blocking of the limiting unit.

The invention has the beneficial effects that: through this application, can be more accurate the less steel ball of rejection ball footpath, shaving the inferior rate higher, can place yields, substandard product differentiation in addition, need not the workman and collect with the manual mode, reduced intensity of labour, set up and block the unit, through blocking the unit action for only a steel ball drops to shaving the draw-in groove of carousel at every turn, has improved the precision of shaving the operation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is an enlarged view of a portion of the perspective structure at A in FIG. 1;

FIG. 3 is an enlarged view of a portion of the three-dimensional structure at B in FIG. 1;

FIG. 4 is a schematic cross-sectional view of a shaving turntable according to the present invention;

the reference numerals are explained below:

1-storage bin, 2-micro cylinder, 3-communication bin, 4-bearing, 5-shaving rotating disc, 6-slideway, 7-good product storage chamber, 8-base, 9-mounting groove, 10-defective product storage chamber, 11-stop bar, 12-clearance groove, 13-electromagnet, 14-sliding groove, 15-spring, 16-sliding block, 17-stop plate, 18-clamping groove and 19-micro pressure sensor.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, 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, but not all 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. 1-4, fig. 1-4 show an automatic bearing steel ball shaving device, which includes a base 8, the base 8 is horizontally and rotatably connected to a shaving turntable 5, a corresponding mounting groove 9 is formed on the base for the shaving turntable 5 to freely pass through, a plurality of clamping grooves 18 with hemispherical longitudinal sections are arranged on the circumferential surface of the shaving turntable 5 along the axial direction, a storage bin 1 is arranged above the base 8, the lower end of the storage bin 1 is connected to a communication bin 3 in a through manner, the bore diameter of the inner bore of the communication bin 3 is adapted to the ball diameter of the steel ball 4, a blocking unit for blocking the steel ball 4 from moving downwards is arranged on the inner bore, the lower end of the communication bin 3 corresponds to the uppermost clamping groove 18, so that the steel ball 4 can fall from the inner bore of the communication bin 3 onto the clamping groove 18, a groove communicated with the bottom wall of the clamping groove 18 is formed in the shaving turntable 5, the steel ball cleaning device is characterized in that a miniature pressure sensor 19 is installed in the groove, two opposite ends of the base 8 are respectively provided with a cavity, the two cavities are respectively defined as a non-defective product storage cavity 7 and a defective product storage cavity 10, a slide 6 is respectively arranged between the two cavities and the shaving rotating disc 5, and one end, close to the defective product storage cavity 10, of the communication bin 3 is provided with a limiting unit for blocking the steel balls 4 from entering the defective product storage cavity 10.

The blocking unit comprises two stop rods 11 which are respectively hinged to the inner walls of two opposite sides of the communicating bin 3, the stop rods 11 extend downwards towards the inner side of the communicating bin 3 in an inclined mode, a clearance groove 12 for the stop rods 11 to freely pass through in a rotating mode is formed in the inner wall of the communicating bin 3, two micro cylinders 2 and two air cylinder rods of the micro cylinders 2 are horizontally arranged on the outer wall of the communicating bin 3 and penetrate through the communicating bin 3 in a sliding mode and respectively abut against the two stop rods 11, and the two stop rods 11 can upwards rotate along the hinged positions of the inner walls of the communicating bin 3.

The limiting unit comprises a baffle 17 which vertically slides and penetrates out of the outer wall of the communicating bin 3, a sliding block 16 made of a magnetic material is arranged at one end of the baffle 17 penetrating into the communicating bin 3, a sliding groove 14 which is used for clamping the sliding block 16 and can vertically and freely slide is correspondingly arranged in the communicating bin 3, an electromagnet 13 is arranged in the sliding groove 14, a spring 15 is arranged between the electromagnet 13 and the sliding block 16, two ends of the spring 15 respectively abut against the electromagnet 13 and the sliding block 16, the spring 15 abuts against the sliding block 16 and drives the sliding block 16 to move downwards, and the baffle 17 penetrates out of the communicating bin 3.

The slide 6 is made of rubber materials, so that when the steel balls fall onto the slide 6, buffering can be carried out.

The embodiment also discloses a working method of the automatic bearing steel ball shaving device, which comprises the following steps:

step 1, pouring a plurality of steel balls 4 into a storage bin 1, wherein the steel balls 4 entering a communication bin 3 cannot fall down under the blocking of a blocking unit, and an external motor drives a shaving turntable 5 to rotate, so that one clamping groove 18 rotates to the position right below the communication bin 3;

step 2, resetting the blocking unit to enable the steel ball 4 abutted against the blocking rod 11 to fall onto the clamping groove 18, enabling the micro cylinder 2 in the blocking unit to rapidly act after the steel ball 4 falls down, enabling the cylinder rod to extend to abut against the blocking rod 11 to rotate towards the inner side of the communicating bin 3 along the hinged part with the inner wall of the communicating bin 3 to block the steel ball 4 from falling, enabling the steel ball 4 to be clamped in the clamping groove 18 to generate pressure for the micro pressure sensor 19 when the ball diameter of the steel ball 4 is not larger than that of the clamping groove 18, enabling the pressure sensor 19 to generate a pressure signal and feed the pressure signal back to an external controller, enabling the external controller to control the electromagnet 13 in the limiting unit to be electrified to generate magnetism, driving the sliding block 16 to move towards the direction of the electromagnet 13 to further enable the baffle 17 to retract into the sliding groove 14, then enabling the external motor to drive the shaving rotating disc 5 to rotate, enabling the other clamping groove 18, meanwhile, the steel balls 4 clamped in the clamping grooves 18 roll down to a slide way 6 adjacent to the defective product storage cavity 10 and roll into the defective product storage cavity 10 through the slide way 6;

and 3, when the ball diameter of the steel ball 4 dropped from the communicating bin 3 is larger than the ball diameter of the clamping groove 18, the steel ball 4 cannot be clamped into the clamping groove 18, the miniature pressure sensor 19 does not generate a pressure signal, the external controller controls the electromagnet 13 to be powered off at the moment, the baffle 17 is driven to move downwards under the elastic force of the spring 15, the shaving rotating disc 5 rotates at the same time, the steel ball 4 is driven to move towards the baffle 17, when the steel ball 4 is blocked by the baffle 17, the baffle 17 has a reaction force on the steel ball 4, and under the action of inertia, the steel ball 4 can roll down to another slideway 6 from the shaving rotating disc 5 and further roll into the good product storage cavity 7, so that shaving screening of the steel ball 4 is realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The automatic bearing steel ball shaving device is characterized by comprising a base (8), the base (8) is horizontally and rotatably connected with a shaving turntable (5), a plurality of clamping grooves (18) with hemispherical longitudinal sections are arranged on the circumferential surface of the shaving turntable (5) along the axial array of the shaving turntable, a storage bin (1) is arranged above the base (8), the lower end of the storage bin (1) is in through connection with a communication bin (3), the inner hole diameter of the communication bin (3) is matched with the ball diameter of steel balls (4), a blocking unit for blocking the steel balls (4) to move downwards is arranged on the blocking unit, the blocking unit comprises two blocking rods (11) which are respectively hinged on the inner walls of the two opposite sides of the communication bin (3), the blocking rods (11) extend downwards towards one end of the inner side of the communication bin (3) in an inclined mode, and a clearance groove (12) for the blocking rods (11) to freely pass through in a rotating mode is correspondingly arranged on the inner wall of the communication bin (3), the outer wall of the communication bin (3) is horizontally provided with two micro cylinders (2), cylinder rods of the two micro cylinders (2) penetrate through the communication bin (3) in a sliding fit manner and respectively abut against the two stop rods (11), so that the two stop rods (11) can upwards rotate along the hinged position with the inner wall of the communication bin (3), the lower end of the communication bin (3) corresponds to one clamping groove (18) positioned at the top in the communication bin, so that the steel ball (4) can fall onto the clamping groove (18) from an inner hole of the communication bin (3), a groove communicated with the bottom wall of the clamping groove (18) is arranged in the shaving turntable (5), a micro pressure sensor (19) is arranged in the groove, two opposite ends of the base (8) are respectively provided with a cavity, the two cavities are respectively defined as a good product storage cavity (7) and a defective product storage cavity (10), and a slide (6) is respectively arranged between the two cavities and the shaving turntable (5), the device is characterized in that a limiting unit used for preventing steel balls (4) from entering a defective product storage cavity (10) is arranged at one end, close to the defective product storage cavity (10), of the communication cabin (3), the limiting unit comprises a baffle (17) which penetrates out of the outer wall of the communication cabin (3) in a vertical sliding mode, a sliding block (16) made of magnetic materials is arranged at one end, penetrating into the communication cabin (3), of the baffle (17), a sliding groove (14) which is used for clamping the sliding block (16) and can vertically and freely slide is arranged in the corresponding communication cabin (3), an electromagnet (13) is arranged in the sliding groove (14), an elastic piece is arranged between the electromagnet (13) and the sliding block (16), the elastic piece abuts against the sliding block (16) and drives the sliding block (16) to move downwards, and the baffle (17) penetrates out of the communication cabin (3).

2. The automatic steel ball bearing shaving device according to claim 1, wherein the elastic member is a spring (15), and two ends of the spring (15) respectively abut against the electromagnet (13) and the sliding block (16).

3. An automatic steel ball bearing shaving device according to claim 1, wherein the slideway (6) is made of rubber.

4. The working method of the automatic bearing steel ball shaving device is characterized by comprising the following steps of:

step 1), pouring a plurality of steel balls (4) into a storage bin (1), wherein the steel balls (4) entering a communication bin (3) cannot fall off under the blocking of a blocking unit, and an external motor drives a shaving turntable (5) to rotate, so that one clamping groove (18) rotates to be right below the communication bin (3);

step 2) then the blocking unit is reset, so that the steel balls (4) which are butted with the stop lever (11) fall into the clamping grooves (18), after the steel balls (4) fall down, the blocking unit rapidly acts to block the falling of the steel balls (4) at the back, when the ball diameter of the steel ball (4) is not more than the ball diameter of the clamping groove (18), the steel ball (4) can be clamped in the clamping groove (18), the pressure is generated on the miniature pressure sensor (19), the pressure sensor (19) generates a pressure signal and feeds the pressure signal back to the external controller, the external controller controls the limit unit to reset, then an external motor drives the shaving rotating disc (5) to rotate, so that the other clamping groove (18) rotates to the position right below the communicating bin (3), meanwhile, the steel balls (4) clamped in the clamping grooves (18) roll down to a slide way (6) adjacent to the inferior-quality product storage cavity (10) and roll into the inferior-quality product storage cavity (10) through the slide way (6);

and 3) when the ball diameter of the steel ball (4) dropped from the communicating bin (3) is larger than that of the clamping groove (18), the steel ball (4) cannot be clamped into the clamping groove (18), the miniature pressure sensor (19) does not generate a pressure signal at the moment, the external controller controls the limiting unit to act, the shaving rotating disc (5) rotates at the same time, and the steel ball (4) rolls to another slideway (6) from the shaving rotating disc (5) through the blocking of the limiting unit and rolls into the good product storage cavity (7).