CN113664284A - Ferrule clamping method and device for bearing processing - Google Patents

Abstract

The invention discloses a ferrule clamping method and a ferrule clamping device for bearing processing, which comprise a conveying unit, wherein the conveying unit comprises a transmission belt, and the ferrule to be processed is conveyed through the transmission belt; the switching unit comprises a plurality of groups of outer clamping parts which rotate alternately, and the ferrule on the transmission belt is clamped to the position of the cutting knife through the outer clamping parts; the clamping and rotating unit, the ferrule clamping method and the ferrule clamping device for bearing processing have the advantages that the continuity of work can be ensured through the plurality of groups of outer clamping parts, the processing efficiency is improved to a certain extent, and the transmission, clamping, cutting and discharging are designed into a whole, so that the labor cost is greatly reduced; in addition, in the cutting process, the clamping mode of the ferrule is changed, and the inner wall of the ferrule is clamped through the clamping mode, so that when the outer surface of the ferrule is cut, a protruding part does not need to be reserved at the end part of the ferrule, and the later-stage processing of the protrusion is saved.

Description

Ferrule clamping method and device for bearing processing

Technical Field

The invention relates to the technical field of bearing production, in particular to a ferrule clamping method and a ferrule clamping device for bearing processing.

Background

The traditional machining process of the inner ring and the outer ring of the conical bearing adopts an outer ring chambering inner ring extrusion forming process, and the specific contents are as follows: outer ring reaming process steps: drawing materials → medium frequency heating → blanking → upsetting → nesting → expanding flattening → reaming → shaping → spheroidizing annealing → shot blasting (descaling) → rough (turning) processing → fine (turning) processing; and (3) cold extrusion molding of the inner ring: using the material core after the material covering of the outer ring → upsetting → extrusion molding → punching and leveling → spheroidizing annealing → shot blasting → rough (turning) processing → fine (turning) processing;

however, in the process of processing the inner and outer bearing rings, various devices such as rough turning, shot blasting, phosphorus soap treatment, cold forging, slitting, finish machining of the inner ring of the bearing, finish machining of the outer ring of the bearing and the like are required to be matched; in the process of finish machining of the bearing outer ring, the bearing ring needs to be rotationally clamped, namely the bearing ring is driven to rotate at a high speed by the clamping mechanism and is machined by the aid of the props; however, the existing process cannot realize the continuity of work, namely, after one ferrule is machined, the new ferrule to be machined needs to be manually replaced again, so that the efficiency is wasted in the whole process;

in addition, when a ferrule is machined at present, a part of bulge can be reserved in production for facilitating clamping, clamping is facilitated when the bulge is used for the main purpose, a cutting knife can cut the outer surface of the ferrule conveniently, the part of bulge needs to be removed in machining at the later stage, and therefore production cost is increased undoubtedly.

Disclosure of Invention

The present invention is directed to a method and an apparatus for clamping a ring for bearing machining, so as to solve the problems of the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a ferrule clamping method and a ferrule clamping device for bearing processing comprise a conveying unit, wherein the conveying unit comprises a transmission belt, and a ferrule to be processed is conveyed through the transmission belt;

the switching unit comprises a plurality of groups of outer clamping parts which rotate alternately, and the ferrule on the transmission belt is clamped to the position of the cutting knife through the outer clamping parts;

the clamping and rotating unit comprises an inner clamping part for clamping the inner wall of the ferrule and a rotating part for driving the ferrule to rotate;

and the material receiving unit comprises a material receiving box, and the processed ferrule is collected through the material receiving box.

Preferably, the transmission belt comprises two groups of clamping plates arranged on the belt body of the transmission belt, and a plurality of groups of ferrule seats with oil distributed linearly are arranged between the clamping plates.

Preferably, the outer clamping part is positioned right above the discharge end of the transmission belt, the outer clamping part comprises an arc support matched with the radian of the ferrule, an electromagnet is arranged in the arc support, and the ferrule can be fixed in the arc support through the electromagnet;

the outer clamping parts are distributed in a circular shape with the same center point, a rotating shaft is arranged at the position of the center of the circle, and one end of the rotating shaft is fixedly connected with a first motor which is supported by a bracket;

the clamping part further comprises a first cylinder, the output end of the first cylinder is fixedly connected with the arc support, and the other end of the first cylinder is fixed on the rotating shaft.

Preferably, the inner clamping part comprises a rotary drum, the rotary drum is provided with sliding holes which are uniformly distributed, connecting rods are movably connected in the sliding holes, and an arc-shaped block is fixed at one end of each connecting rod;

and a driving piece which enables the connecting rod to slide in the sliding hole is arranged in the rotary drum.

Preferably, the driving piece includes fixed connection and supports on the support, install the set casing on the supporting part, set casing internally mounted has the second motor, the output of second motor is fixed with the dysmorphism piece, the one end butt of connecting rod is in on the dysmorphism piece, through changing the connecting rod is in the slip in the slide opening is adjusted to the position on the dysmorphism piece.

Preferably, the profiled block comprises a recess and a projection.

Preferably, a second cylinder is installed between the support portion and the second motor, a sliding plate is fixed to an output end of the second cylinder, the sliding plate slides inside the fixed casing, and the second motor is fixedly installed on the sliding plate.

Preferably, a groove is formed in the sliding hole on the rotating cylinder, a movable plate is mounted on a portion, located in the sliding hole, of the connecting rod, the movable plate is located right inside the groove and is in sliding connection with the groove, a return spring is mounted inside the groove, and one end of the return spring is fixedly connected with the movable plate.

Preferably, the rotating part comprises a baffle fixed on the inner wall of the drum;

still including installing two sets of commentaries on classics boards of second motor output, work as connecting shaft tip is located when the dysmorphism piece bellying, change the board with the baffle butt.

A ferrule clamping method for bearing machining comprises the following steps:

the first step, the ferrule to be processed is conveyed to a position where the ferrule can be clamped;

secondly, clamping the ferrules to be processed, wherein the clamping is that a circular array clamps a plurality of groups of ferrules to be processed;

thirdly, cutting the ferrules distributed in the circular array in sequence;

and fourthly, collecting the ferrule after cutting.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, firstly, through the plurality of groups of outer clamping parts, the continuity of work can be ensured, the processing efficiency is improved to a certain extent, and the transmission, clamping, cutting and discharging are designed into a whole, so that the labor cost is greatly reduced;

in addition, in the cutting process, the clamping mode of the ferrule is changed, and the inner wall of the ferrule is clamped through the clamping mode, so that when the outer surface of the ferrule is cut, a protruding part does not need to be reserved at the end part of the ferrule, and the later-stage processing of the protrusion is saved.

Drawings

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

FIG. 2 is a schematic view of another overall orientation structure of the present invention;

FIG. 3 is a schematic view of the overall front view structure of the present invention;

FIG. 4 is a schematic side view of the present invention;

FIG. 5 is a schematic view of an outer clamping structure of the present invention;

FIG. 6 is a schematic view of the inner clamping and rotating portion of the present invention;

FIG. 7 is a partial sectional structural view of the retaining shell of the present invention;

FIG. 8 is a schematic view of the inner clamping portion of the present invention;

FIG. 9 is a schematic view of the structure of the drum of the present invention;

FIG. 10 is a schematic view of a partial main section of the present invention.

In the figure: 1-a transmission belt; 2-an outer clamping part; 3-a cutting knife; 4-an inner clamping part; 5-a rotating part; 6-a material receiving box; 7-clamping plate; 8-ferrule seat; 9-arc support; 10-an electromagnet; 11-a rotating shaft; 12-a scaffold; 13-a first electric machine; 14-a first cylinder; 15-a rotating drum; 16-a slide hole; 17-a connecting rod; 18-an arc-shaped block; 19-a drive member; 20-a support; 21-a stationary shell; 22-a second electric machine; 23-a shaped piece; 24-a recess; 25-a boss; 26-a second cylinder; 27-a sliding plate; 28-grooves; 29-a movable plate; 30-a return spring; 31-a baffle; 32-rotating the plate.

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. 1-10, the present invention provides a technical solution: a method of clamping a ring for bearing machining, comprising:

the conveying unit comprises a conveying belt 1, and the ferrule to be processed is conveyed through the conveying belt 1;

the switching unit comprises a plurality of groups of outer clamping parts 2 which rotate alternately, and the outer clamping parts 2 clamp the ferrule on the transmission belt 1 to the position of the cutting blade 3;

the clamping and rotating unit comprises an inner clamping part 4 for clamping the inner wall of the ferrule and a rotating part 5 for driving the ferrule to rotate;

and the material receiving unit comprises a material receiving box 6, and the processed ferrule is collected through the material receiving box 6.

The process is as follows: firstly, the ferrule to be processed is manually placed on a conveyor belt, the conveyor belt 1 transports the ferrule to be processed to a switching unit, an outer clamping part 2 on the switching unit can clamp the ferrule on the conveyor belt to the position of a cutting knife,

then, the inner wall of the ferrule is fixed through the inner clamping part 4, after the ferrule is fixed, the rotating part 5 drives the ferrule to rotate, the rotating ferrule is contacted with the cutting knife 3, and cutting is realized, the cutting mode is the existing mode, namely the cutting knife 3 comprises a movable base, and the X-axis and Y-axis movement of the cutting knife can be realized through the movable base;

the cut bearing ring is separated from the inner clamping part 4 and falls into the knife collecting box 6.

The transmission belt 1 comprises two groups of clamping plates 7 arranged on the body of the transmission belt, and a plurality of groups of ferrule seats 8 with oil linearly distributed are arranged between the clamping plates 7.

The two groups of clamping plates 7 can be made of flexible plates and are arranged integrally with the conveying belt on the conveying belt, and a ferrule seat 8 is arranged between the two groups of clamping plates, so that the ferrule is positioned and is displaced when moving on the conveying belt 1.

The outer clamping part 2 is positioned right above the discharge end of the transmission belt 1, the outer clamping part 2 comprises an arc support 9 matched with the radian of the ferrule, an electromagnet 10 is arranged in the arc support 9, and the ferrule can be fixed in the arc support 9 through the electromagnet 10;

the multiple groups of outer clamping parts 2 are distributed in a circle with the same center point, the center position of the circle is provided with a rotating shaft 11, and one end of the rotating shaft 11 is fixedly connected with a first motor 13 supported by a bracket 12;

the clamping part further comprises a first air cylinder 14, the output end of the first air cylinder 14 is fixedly connected with the arc support 9, and the other end of the first air cylinder is fixed on the rotating shaft 11.

When a certain ferrule on the conveying belt moves to the position below the arc support 9, the conveying belt 1 stops at the moment, after the ferrule positioned at the position of the cutting knife 3 is machined, the machining is finished, namely the ferrule falls into the material receiving box 6, then the first air cylinders 14 positioned at the lowest part of the rotating shaft 11 stretch out and draw back, the arc support 9 is close to the outer surface of the ferrule, the electromagnet 10 inside the arc support 9 is electrified to generate magnetic force, the arc support 9 fixes the ferrule on the arc support 9 through the magnetic force, the work is finished in sequence, and therefore the position of the cutting knife of the ferrule conveying knife can be continuously positioned.

The inner clamping part 4 comprises a rotary drum 15, sliding holes 16 which are uniformly distributed are formed in the rotary drum 15, a connecting rod 17 is movably connected in each sliding hole 16, and an arc-shaped block 18 is fixed at one end of each connecting rod 17;

the inside of the drum 15 is provided with a driving member 19 which makes the connecting rod 17 slide in the sliding hole 16;

a second cylinder 26 is installed between the support portion 20 and the second motor 22, a sliding plate 27 is fixed to an output end of the second cylinder 26, the sliding plate 27 slides inside the fixed casing 21, and the second motor 22 is fixedly installed on the sliding plate 27.

When the ferrule to be processed is transported to the top of the rotating shaft 11, the second cylinder 26 pushes the sliding plate 27 to make the driving part 19 drive the rotating drum 15 to slowly approach the inner ring of the ferrule, when the rotating drum 15 is completely positioned in the ferrule, the driving part drives the connecting rod 17 to slide in the sliding hole 16, so that the arc-shaped block 18 at the end part of the connecting rod 17 tightly abuts against the inner wall of the ferrule, and the inner clamping of the ferrule is realized.

The driving member 19 includes a supporting portion 20 fixedly connected to the support 12, a fixing casing 21 is installed on the supporting portion 20, a second motor 22 is installed inside the fixing casing 21, a profile block 23 is fixed to an output end of the second motor 22, one end of the connecting rod 17 abuts against the profile block 23, and sliding of the connecting rod 17 in the sliding hole 16 is adjusted by changing a position of the connecting rod 17 on the profile block 23.

The shaped block 23 comprises a recess 24 and a projection 25.

The concave part 24 and the convex part 25 on the irregular block 23 are smooth curved surfaces, the included angle between the lowest end of the concave part 24 and the topmost end of the convex part 25 is 30 degrees,

when the inner wall of the ferrule needs to be clamped, the output end of the second motor 22 rotates 30 degrees, so that the connecting rod 17 is switched from the concave part 24 to the convex part 25, and the connecting rod 17 approaches to the inner wall of the ferrule along the sliding hole 16.

A groove 28 is formed in the sliding hole 16 of the rotating cylinder 15, a movable plate 29 is mounted on a portion of the connecting rod 17 located in the sliding hole 16, the movable plate 29 is located right inside the groove 28 and is slidably connected with the groove 28, a return spring 30 is mounted inside the groove 28, and one end of the return spring 30 is fixedly connected with the movable plate 29.

When the ferrule is released from the clamping, a return spring 30 is provided inside the drum 15 so as to return the connecting rod 17, and when the inner wall of the ferrule does not need to be clamped, the return spring 30 can bring the connection into contact with the recess 24 of the special-shaped block 23.

The rotating part 5 comprises a baffle 31 fixed on the inner wall of the drum 15;

the motor further comprises two sets of rotating plates 32 arranged at the output end of the second motor 22, and when the end of the connecting shaft is positioned at the protruding part 25 of the special-shaped block 23, the rotating plates 32 are abutted to the baffle plate 31.

In order to realize that second motor 22 can realize centre gripping and pivoted two kinds of states simultaneously, commentaries on classics board 32 and baffle 31 have been designed, its principle is, when the output forward of second motor 22 rotates, 30 degrees during its pivoted angle, the tip of dwang this moment is located the bellying 25 of dysmorphism piece 23, and baffle 31 and commentaries on classics board 32 butt, if the motor continues forward rotation, because the butt relation of commentaries on classics board 32 and baffle 31, can make second motor 22 output drive baffle 31 through commentaries on classics board 32 and rotate, thereby realize the rotation of rotary drum 15, because rotary drum 15 is fixed with the lasso through arc piece 18, so second motor 22 can drive the lasso and rotate.

To describe how the material is collected, when the cutting is completed, the second cylinder 26 will push the sliding plate 27 to move inside the fixed casing 21, since the second motor 22 is still fixed with respect to the ferrule, the machined ferrule is transported to above the arc-shaped support 9, at which time the output end of the second motor 22 rotates in the reverse direction by 30 degrees, i.e. the connecting rod 17, is located in the recess 24 of the shaped block 23, while the second cylinder 26 is slowly contracted, causing the drum 15 to be extracted from the inner wall of the ferrule and, after extraction, the second motor 22 rotates forward 30 degrees, the connecting rod 17 is positioned at the convex part 25 of the special-shaped block 23, because the arc-shaped block 18 is not released from the inner wall of the ferrule, the opening length of the arc-shaped block 18 is larger than the diameter of the ferrule, and at this time, the second air cylinder 26 drives the arc-shaped block 18 to move, so that the ferrule on the arc-shaped support 9 can be pushed into the collecting box 6. The arc blocks 18 may be made of rubber with certain deformation.

A ferrule clamping method for bearing machining comprises the following steps:

the first step, the ferrule to be processed is conveyed to a position where the ferrule can be clamped;

secondly, clamping the ferrules to be processed, wherein the clamping is that a circular array clamps a plurality of groups of ferrules to be processed;

thirdly, cutting the ferrules distributed in the circular array in sequence;

and fourthly, collecting the ferrule after cutting.

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.

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 (10)

1. A ferrule holding device for bearing machining, comprising:

the conveying unit comprises a conveying belt (1), and the ferrule to be processed is conveyed through the conveying belt (1);

the switching unit comprises a plurality of groups of outer clamping parts (2) which rotate alternately, and a ferrule on the transmission belt (1) is clamped to the position of the cutting knife (3) through the outer clamping parts (2);

the clamping and rotating unit comprises an inner clamping part (4) for clamping the inner wall of the ferrule and a rotating part (5) for driving the ferrule to rotate;

the material receiving unit comprises a material receiving box (6), and the processed ferrule is collected through the material receiving box (6).

2. A ferrule holding device for bearing machining according to claim 1, characterized in that: the transmission belt (1) comprises two groups of clamping plates (7) arranged on the transmission belt body, and a plurality of groups of ferrule seats (8) with linearly distributed oil are arranged between the clamping plates (7).

3. A ferrule holding device for bearing machining according to claim 1, characterized in that: the outer clamping part (2) is positioned right above the discharge end of the transmission belt (1), the outer clamping part (2) comprises an arc support (9) matched with the radian of the ferrule, an electromagnet (10) is arranged in the arc support (9), and the ferrule can be fixed in the arc support (9) through the electromagnet (10);

the multiple groups of outer clamping parts (2) are distributed in a circle by the same center point, the center position of the circle is provided with a rotating shaft (11), and one end of the rotating shaft (11) is fixedly connected with a first motor (13) which is supported by a bracket (12);

the clamping part further comprises a first air cylinder (14), the output end of the first air cylinder (14) is fixedly connected with the arc support (9), and the other end of the first air cylinder is fixed on the rotating shaft (11).

4. A ferrule holding device for bearing machining according to claim 1, characterized in that: the inner clamping part (4) comprises a rotary drum (15), sliding holes (16) which are uniformly distributed are formed in the rotary drum (15), a connecting rod (17) is movably connected in each sliding hole (16), and an arc-shaped block (18) is fixed at one end of each connecting rod (17);

the interior of the rotary drum (15) is provided with a driving piece (19) which enables the connecting rod (17) to slide in the sliding hole (16).

5. A ferrule holding device for bearing machining according to claim 4, characterized in that: drive piece (19) are including fixed connection support portion (20) on support (12), install set casing (21) on support portion (20), set casing (21) internally mounted has second motor (22), the output of second motor (22) is fixed with dysmorphism piece (23), the one end butt of connecting rod (17) is in on dysmorphism piece (23), through changing connecting rod (17) and being in the slip in slide opening (16) is adjusted to the position on dysmorphism piece (23).

6. A ferrule holding device for bearing machining according to claim 5, characterized in that: the shaped block (23) comprises a recess (24) and a projection (25).

7. A ferrule holding device for bearing machining according to claim 5, characterized in that: a second air cylinder (26) is installed between the support part (20) and the second motor (22), a sliding plate (27) is fixed at the output end of the second air cylinder (26), the sliding plate (27) slides in the fixed shell (21), and the second motor (22) is fixedly installed on the sliding plate (27).

8. A ferrule holding device for bearing machining according to claim 5, characterized in that: a groove (28) is formed in a sliding hole (16) in the rotary drum (15), a movable plate (29) is mounted on the portion, located in the sliding hole (16), of the connecting rod (17), the movable plate (29) is just located in the groove (28) and is in sliding connection with the groove (28), a return spring (30) is mounted in the groove (28), and one end of the return spring (30) is fixedly connected with the movable plate (29).

9. A ferrule holding device for bearing machining according to claim 5, characterized in that: the rotating part (5) comprises a baffle (31) fixed on the inner wall of the rotary drum (15);

still including installing two sets of commentaries on classics board (32) at second motor (22) output, when the connecting shaft tip is located dysmorphism piece (23) bellying (25), commentaries on classics board (32) with baffle (31) butt.

10. A ferrule clamping method for bearing processing is characterized in that: the method comprises the following steps:

the first step, the ferrule to be processed is conveyed to a position where the ferrule can be clamped;

secondly, clamping the ferrules to be processed, wherein the clamping is that a circular array clamps a plurality of groups of ferrules to be processed;

thirdly, cutting the ferrules distributed in the circular array in sequence;

and fourthly, collecting the ferrule after cutting.

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