CN111823118A

CN111823118A - Grinding tool of ball cage retainer with adjustable position and angle

Info

Publication number: CN111823118A
Application number: CN202010757000.1A
Authority: CN
Inventors: 王河水
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2020-10-27
Anticipated expiration: 2040-07-31
Also published as: CN111823118B

Abstract

The invention discloses a grinding tool of a ball cage retainer with adjustable position and angle, relates to the technical field of automobile accessory grinding equipment, and solves the problems that the existing grinding equipment is not enough, thorough and comprehensive in polishing and easy to leak in polishing due to the fact that a rotary grinding part (namely a polishing wheel) is mostly of a circular structure and the diameter and the length of the rotary grinding part are limited, and the existing grinding equipment cannot be suitable for grinding and polishing two longer sides of a rectangular window. The grinding tool comprises a base, wherein the base is integrally formed by welding and combining a central circular base plate and six vertical supporting legs which are supported in an annular array, an L positioning clamping jaw is arranged at the top end of each of the six vertical supporting legs in a welding and supporting mode, and a toothed ring is rotatably arranged on the six L positioning clamping jaws. Six springs on the six groups of positioning shaft rods can rebound, push, pull, disengage and reset six vertical support positioning frames, six shaft sleeves and six wire drawing polishing wheels, and the trouble of manually and sequentially pulling and disengaging the six wire drawing polishing wheels is eliminated.

Description

Grinding tool of ball cage retainer with adjustable position and angle

Technical Field

The invention relates to the technical field of automobile accessory polishing equipment, in particular to a grinding tool of a ball cage retainer with adjustable position and angle.

Background

The cage is also called constant velocity universal joint, and is an important part in a car transmission system, and the function of the cage is to transmit the power of an engine from a transmission to two front wheels to drive a car to run at a high speed. Among these, the cage retainer is one of the most important components of the ball cage.

Due to the special structure of the retainer, when the window surface of the retainer is polished, a grinding tool of the ball cage retainer is needed.

For example, patent number is CN201721213393.X discloses a position and angularly adjustable ball cage holder's grinding apparatus, belongs to the processing machinery field of ball cage universal joint, contains lathe, saddle, slide, sliding body, electricity main shaft, on the linear slip table of saddle installation on the lathe, two sloping blocks are installed through the bolt in the bottom both sides of slide, the sloping block is the bellied cambered surface of bottom surface downwards, be equipped with the supporting shoe on the saddle, be equipped with the recessed cambered surface of laminating with the sloping block cambered surface on the supporting shoe, in the screw hole of the lower supporting shoe of rectangular shape mounting hole screw in down that the positioning bolt passes through being equipped with on slide and the sloping block, the positioning bolt of screwing fixes the slide on the saddle, and the width of the nut of positioning bolt is greater than the width of mounting hole, and the long direction of mounting hole is the same with the long direction of sloping block. The invention has simple structure and convenient operation, can freely move up and down and left and right to adjust the position of the grinding tool, can adjust the angle between the grinding tool and the retainer, improves the processing precision and ensures the quality of products.

Present equipment of polishing is for being suitable for and runs through the window to carry out burnishing and polishing to many places on the ball cage holder, mostly be provided with many places high-speed rotatory parts of polishing, need manually take out the cooperation of inserting with many places parts of polishing and the window on the ball cage holder in proper order around the polishing operation, it is comparatively loaded down with trivial details inconvenient to operate and use, cause polishing efficiency not good enough, and because rotatory parts of polishing (throwing aureola promptly) mostly be circular structure, its diameter length is limited, can not be suitable for and carry out burnishing and polishing to the longer both sides of rectangle window, cause the polishing thoroughly comprehensive inadequately, the problem of leaking the polishing easily appears.

Disclosure of Invention

The invention aims to provide a grinding tool of a ball cage retainer with adjustable position and angle, which aims to solve the problems that the rotary grinding part (namely a polishing wheel) in the background technology is mostly of a circular structure, the diameter and the length of the rotary grinding part are limited, the rotary grinding part cannot be suitable for grinding and polishing two longer sides of a rectangular window, the polishing is not thorough and comprehensive, and the missing of the polishing is easy to occur.

In order to achieve the purpose, the invention provides the following technical scheme: a grinding tool of a ball cage retainer with adjustable position and angle comprises a base, wherein the base comprises vertical support legs and a toothed ring, the base is integrally formed by welding and combining a central circular chassis and six vertical support legs supported in an annular array, L-shaped positioning clamping jaws are welded and supported at the top ends of the six vertical support legs, and the toothed ring is rotatably installed on the L-shaped positioning clamping jaws; a motor is vertically and tightly locked and installed on the middle section of the two vertical supporting legs on the left side, a driving gear is sleeved on a rotating shaft at the top end of the motor, and the driving gear is correspondingly contacted and meshed with the gear ring; a central rotating shaft is rotatably arranged on the circular chassis of the base through a vertical support; the center rotating shaft comprises a supporting plate and a vertical support positioning shaft, the top end of the center rotating shaft is welded with a round supporting plate in a supporting mode, the center of the top end of the round supporting plate is welded with a vertical support positioning shaft in a supporting mode, and the ball cage retainer is placed at the top end of the round supporting plate and is sleeved and inserted on the periphery of the circumference of the vertical support positioning shaft; the upper half part of the vertical support positioning shaft is formed by welding a thread section and a hexagonal prism section together, wherein a gland is sleeved and inserted on the hexagonal prism section and is locked and pressed on the top opening of the ball cage retainer; the top end sections of the six vertical supporting legs are respectively provided with a polishing rotating shaft in a rotating and inserting way, and the polishing rotating shaft is provided with two transmission key bars; the top end section of the central rotating shaft is sleeved with a star-shaped positioning frame in a sliding mode, and six vertical supporting positioning frames are sleeved with the star-shaped positioning frame in an annular array in a sliding mode.

Preferably, the central rotating shaft further comprises a pull rod and a nut, the pull rod is welded on the middle section of the central rotating shaft in a supporting mode, and the nut is screwed and locked on the thread section of the vertical support positioning shaft and pushes the gland to be in contact with the nut in an extruding mode.

Preferably, the motor comprises a swinging plate and a connecting rod, the tail end of the rotating shaft at the bottom of the motor is supported and welded with the swinging plate, the swinging plate is rotatably connected with the connecting rod, and the tail end of the connecting rod is rotatably connected with the pull rod.

Preferably, the polishing rotating shaft comprises shaft sleeves, six polishing rotating shafts are respectively sleeved and connected with one shaft sleeve in a sliding manner, the front end sections of the six shaft sleeves are respectively locked and sleeved with one wire drawing polishing wheel, and the six wire drawing polishing wheels are opposite to six rectangular windows on the ball cage retainer at intervals.

Preferably, the vertical supporting positioning frame comprises a triangular top frame, six top end shaft rings of the vertical supporting positioning frame are correspondingly connected with middle sections of six shaft sleeves in a rotating mode, and one side of the bottom section of the six vertical supporting positioning frame is supported and welded with the triangular top frame.

Preferably, the gland includes L form ejector pin, the circumference outer lane of gland is gone up the welding cloth and is equipped with six L form ejector pins, and the tail end of these six L form ejector pins all rotates and installs a horizontal apical axis, and when the gland was locked the gland on the ball cage holder, six horizontal apical axes can be inserted down and the hypotenuse top sliding contact of six triangle apical frames.

Preferably, a circle of tooth sheet is also arranged on the annular end face of the bottom of the gear ring, and the tail ends of the six polishing rotating shafts are sleeved with a driven pinion, and the six driven pinions are correspondingly contacted and meshed with the circle of tooth sheet at the bottom of the gear ring.

Preferably, the star-shaped positioning frame comprises a positioning shaft rod, the star-shaped positioning frame is integrally formed by welding a central shaft sleeve and twelve positioning shaft rods which are arranged in an annular array at intervals from top to bottom, and one vertical supporting positioning frame is slidably arranged on each of the six positioning shaft rods through a spring pushing sleeve.

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

1. the swinging plate, the connecting rod and the pull rod are connected together to form a crank-slider mechanism, the motor of the mechanism can rotate to drive the central rotating shaft to perform reciprocating rotation with a small stroke, the position and the angle of the ball cage retainer are changed, four sides of six rectangular windows on the ball cage retainer can be in sliding friction contact with the wire drawing polishing wheels at the head ends of six shaft sleeves, complete and comprehensive polishing is performed, and the condition of polishing leakage is avoided;

2. according to the invention, the transverse jacking shafts at the tail ends of the six L-shaped jacking rods are in top sliding fit with the inclined planes of the six triangular jacking frames, and the gland can be linked to push the six shaft sleeves and the front sliding of the wire drawing polishing wheel to be in stretching and inserting fit with the six rectangular windows on the ball cage retainer in the process of sliding the top cover downwards, so that the step of manually stretching and inserting the six shaft sleeves in additional steps is omitted, the polishing operation process is simplified, and the use is convenient and efficient;

3. according to the invention, through a reasonable design linkage structure, the motor can simultaneously rotate and drive the central rotating shaft and the six polishing rotating shafts, so that a driving force source is not required to be arranged for the central rotating shaft, and the economical efficiency is better;

4. after the gland is loosened and lifted after polishing is finished, the six springs on the six groups of positioning shaft rods can rebound, push, pull, release and reset the six vertical support positioning frames, the six shaft sleeves and the wire drawing polishing wheels, so that the trouble of manually and sequentially pulling and releasing the six wire drawing polishing wheels is eliminated, and the ball cage retainer is simple and efficient in taking and releasing operation.

Drawings

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

FIG. 2 is a schematic bottom three-dimensional structure of the present invention;

FIG. 3 is a schematic view of the cover being slid up and removed in accordance with the present invention;

FIG. 4 is a schematic view of the structure of the central shaft of the present invention;

FIG. 5 is a schematic view of a gear ring structure according to the present invention;

FIG. 6 is a schematic three-dimensional structure of the star-shaped positioning frame of the present invention;

FIG. 7 is a schematic three-dimensional structure of the vertical supporting positioning frame of the present invention;

FIG. 8 is an enlarged view of portion A of FIG. 1 according to the present invention;

in the figure: 1. a base; 101. erecting support legs; 102. a toothed ring; 2. a motor; 201. a swinging plate; 202. a connecting rod; 3. a central rotating shaft; 301. a pull rod; 302. a support plate; 303. a vertical supporting positioning shaft; 304. a nut; 4. a cage retainer; 5. a gland; 501. an L-shaped ejector rod; 6. polishing the rotating shaft; 601. a shaft sleeve; 7. a star-shaped positioning frame; 701. positioning the shaft lever; 8. a vertical supporting and positioning frame; 801. a triangular top frame.

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.

Referring to fig. 1 to 8, an embodiment of the present invention includes: a grinding tool of a ball cage retainer with adjustable position and angle comprises a base 1, wherein the base 1 comprises vertical supporting legs 101 and a toothed ring 102, the base 1 is integrally formed by welding and combining a central circular base plate and six vertical supporting legs 101 supported in an annular array, one L-shaped positioning clamping jaw is welded and supported at the top ends of the six vertical supporting legs 101, and the toothed ring 102 is rotatably installed on the six L-shaped positioning clamping jaws; a motor 2 is vertically and tightly installed on the middle section of the two vertical supporting legs 101 on the left side, a driving gear is sleeved on a rotating shaft at the top end of the motor 2, and the driving gear is correspondingly contacted and meshed with the toothed ring 102; a central rotating shaft 3 is rotatably arranged on the circular chassis of the base 1 through a vertical support; the central rotating shaft 3 comprises a supporting plate 302 and a vertical support positioning shaft 303, the top end of the central rotating shaft 3 is welded with a round supporting plate 302 in a supporting manner, the center of the top end of the round supporting plate 302 is welded with a vertical support positioning shaft 303 in a supporting manner, and the ball cage retainer 4 is placed at the top end of the round supporting plate 302 and is sleeved and inserted on the periphery of the vertical support positioning shaft 303; the upper half part of the vertical support positioning shaft 303 is formed by welding a thread section and a hexagonal prism section together, wherein a gland 5 is sleeved and inserted on the hexagonal prism section, and the gland 5 is locked and pressed on the top opening of the ball cage retainer 4; the top end sections of the six vertical supporting legs 101 are respectively provided with a polishing rotating shaft 6 in a rotating and inserting way, and the polishing rotating shaft 6 is provided with two transmission key bars; a star-shaped positioning frame 7 is sleeved and slidably mounted on the top end section of the central rotating shaft 3, and six vertical supporting positioning frames 8 are sleeved and slidably mounted on the star-shaped positioning frame 7 in an annular array; the central rotating shaft 3 further comprises a pull rod 301 and a nut 304, the pull rod 301 is welded on the middle section of the central rotating shaft 3 in a supporting mode, the nut 304 is screwed and locked on the threaded section of the vertical support positioning shaft 303 and is pushed, leaned and contacted with the gland 5, and the gland 5 can lock, extrude and fix the ball cage retainer 4 on the top end of the supporting plate 302; the grinding rotating shaft 6 comprises shaft sleeves 601, six grinding rotating shafts 6 are connected with one shaft sleeve 601 in a sliding mode, the front end sections of the six shaft sleeves 601 are respectively locked and sleeved with one wire drawing and polishing wheel, the six wire drawing and polishing wheels are opposite to six rectangular windows on the ball cage retainer 4 at intervals, and the six grinding rotating shafts 6 can be inserted into the six rectangular windows on the ball cage retainer 4 to be ground; the vertical supporting positioning frame 8 comprises a triangular top frame 801, top end shaft collars of six vertical supporting positioning frames 8 are correspondingly connected with middle sections of six shaft sleeves 601 in a sleeved and rotating mode, one side of the bottom section of each of the six vertical supporting positioning frames 8 is provided with one triangular top frame 801 in a supporting and welding mode, and the six vertical supporting positioning frames 8 can slide forwards to drive the six shaft sleeves 601 and the wire drawing polishing wheels to be inserted into six rectangular windows on the ball cage retainer 4.

Further, motor 2 includes wobble plate 201 and connecting rod 202, the tail end support welding of 2 bottom pivots of motor has a wobble plate 201, it is connected with a connecting rod 202 to rotate on this wobble plate 201, and the tail end of connecting rod 202 rotates with pull rod 301 and links together, wobble plate 201 and connecting rod 202 and pull rod 301 are connected jointly and are constituteed a slider-crank mechanism, but carry out the reciprocating rotation of little stroke through this mechanism motor 2 rotary drive center pivot 3 and ball cage holder 4, make six rectangle windows on the ball cage holder 4 slide around following, guarantee that the four sides homoenergetic of rectangle window and the wire drawing buffing wheel sliding friction contact of six axle sleeve 601 head ends, carry out abundant thorough comprehensive polishing, avoid appearing the condition of leaking and polishing.

Further, the gland 5 comprises an L-shaped ejector rod 501, six L-shaped ejector rods 501 are distributed on the outer ring of the circumference of the gland 5 in a surrounding welding mode, the tail ends of the six L-shaped ejector rods 501 are rotatably provided with a transverse ejector shaft, when the gland 5 is locked on the ball cage retainer 4, the six transverse ejector shafts can be inserted downwards to be in sliding contact with the bevel edges of the six triangular ejector frames 801, the transverse ejector shafts at the tail ends of the six L-shaped ejector rods 501 are in sliding fit with the bevel edges of the six triangular ejector frames 801, the gland 5 can be linked to push the six shaft sleeves 601 and the wire drawing and polishing wheels to slide forwards to be in extending and inserting fit with six rectangular windows on the ball cage retainer 4 in the process of sliding the gland 5 downwards, the step of manually inserting the six shaft sleeves 601 is omitted, the polishing operation process is simplified, and the use is convenient and efficient.

Furthermore, a circle of teeth are also arranged on the annular end face of the bottom of the gear ring 102, and the tail ends of the six grinding rotating shafts 6 are respectively sleeved with a driven pinion, the six driven pinions are correspondingly contacted and meshed with a circle of teeth at the bottom of the gear ring 102, the gear ring 102 can synchronously mesh and rotate the six grinding rotating shafts 6, and the motor 2 can simultaneously rotate and drive the central rotating shaft 3 and the six grinding rotating shafts 6 through a linkage structure with reasonable design, so that a driving force source is not arranged for the central rotating shaft 3, and the gear ring has better economy.

Further, the star-shaped positioning frame 7 comprises a positioning shaft rod 701, the star-shaped positioning frame 7 is integrally formed by welding a central shaft sleeve and twelve positioning shaft rods 701, wherein the six positioning shaft rods 701 are arranged in an annular array at intervals up and down, a vertical support positioning frame 8 is arranged on each of the six positioning shaft rods 701 in a sliding mode through a spring jacking sleeve, after the gland 5 is loosened and lifted after polishing is completed, the six vertical support positioning frames 8, the six shaft sleeves 601 and the wire drawing polishing wheels are rebounded, pushed, pulled and reset by six springs on the six positioning shaft rods 701, the trouble that the six wire drawing polishing wheels are pulled and removed manually in sequence is eliminated, and the taking and removing operation of the ball cage retainer 4 is simple and efficient.

The working principle is as follows: when the ball cage retainer is used, the ball cage retainer 4 is firstly placed at the top end of the circular supporting plate 302 and sleeved and inserted on the periphery of the vertical support positioning shaft 303, six rectangular windows on the ball cage retainer 4 are opposite to the wire drawing polishing wheels at the head ends of six shaft sleeves 601 at intervals, then the gland 5 is sleeved and slid on six prismatic sections of the vertical support positioning shaft 303, the gland 5 is tightly locked and extruded on an opening at the top end of the ball cage retainer 4 through a nut 304, the six transverse top shafts at the tail ends of the L-shaped ejector rods 501 are in top sliding fit with inclined planes of six triangular top frames 801, the gland 5 can be linked and pushed in the process of sliding the top cover down to enable the six shaft sleeves 601 and the wire drawing polishing wheels to be in extending and inserting fit with the six rectangular windows on the ball cage retainer 4, then the motor 2 is started, the motor 2 can synchronously mesh and rotate and drive the six polishing rotating shafts 6 through the gear ring 102, the six rotating shafts 6 drive the six wire drawing polishing wheels to perform high-speed rotating polishing on the six rectangular windows, and through a crank slider mechanism formed by jointly connecting the swing plate 201, the connecting rod 202 and the pull rod 301, the motor 2 can rotate to drive the central rotating shaft 3 and the ball cage retainer 4 to perform reciprocating rotation with a small stroke, so that six rectangular windows on the ball cage retainer 4 slide back and forth, four sides of the rectangular windows can be ensured to be in sliding friction contact with the wire drawing polishing wheel, after the gland 5 is loosened and lifted out after polishing is completed, six springs on six groups of positioning shaft rods 701 can rebound, push, pull, remove and reset six vertical support positioning frames 8, six shaft sleeves 601 and the wire drawing polishing wheel.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a position and angularly adjustable ball cage holder's grinding apparatus which characterized in that: the base (1) comprises vertical supporting legs (101) and a toothed ring (102), the base (1) is integrally formed by welding and combining a central circular chassis and six vertical supporting legs (101) supported in an annular array, L-shaped positioning clamping jaws are welded and supported at the top ends of the six vertical supporting legs (101), and the toothed ring (102) is rotatably mounted on the six L-shaped positioning clamping jaws; a motor (2) is vertically and tightly locked and installed on the middle section of the two vertical supporting legs (101) on the left side, a driving gear is sleeved on a rotating shaft at the top end of the motor (2), and the driving gear is correspondingly contacted and meshed with the gear ring (102); a central rotating shaft (3) is rotatably arranged on the circular chassis of the base (1) through a vertical support; the central rotating shaft (3) comprises a supporting plate (302) and a vertical support positioning shaft (303), the top end of the central rotating shaft (3) is welded with a round supporting plate (302), the center of the top end of the round supporting plate (302) is welded with a vertical support positioning shaft (303), and the ball cage retainer (4) is placed at the top end of the round supporting plate (302) and is sleeved and inserted on the periphery of the circumference of the vertical support positioning shaft (303); the upper half part of the vertical support positioning shaft (303) is formed by welding a thread section and a hexagonal prism section together, wherein a gland (5) is sleeved and inserted on the hexagonal prism section, and the gland (5) is locked and pressed on the top end opening of the ball cage retainer (4); a polishing rotating shaft (6) is rotatably inserted into the top end sections of the six vertical supporting legs (101), and two transmission key strips are arranged on the polishing rotating shaft (6); the top end section of the central rotating shaft (3) is sleeved with a star-shaped positioning frame (7) in a sliding mode, and six vertical supporting positioning frames (8) are sleeved with the star-shaped positioning frame (7) in an annular array in a sliding mode.

2. The grinding tool for the ball cage retainer with adjustable position and angle as set forth in claim 1, wherein: the central rotating shaft (3) further comprises a pull rod (301) and a nut (304), the middle section of the central rotating shaft (3) is supported and welded with the pull rod (301), and the nut (304) is screwed and locked on the thread section of the vertical support positioning shaft (303) and pushes the gland (5) to lean against the contact.

3. The grinding tool for the ball cage retainer with adjustable position and angle as set forth in claim 1, wherein: the motor (2) comprises a swing plate (201) and a connecting rod (202), the tail end of a rotating shaft at the bottom of the motor (2) is supported and welded with the swing plate (201), the swing plate (201) is connected with the connecting rod (202) in a rotating mode, and the tail end of the connecting rod (202) is connected with the pull rod (301) in a rotating mode.

4. The grinding tool for the ball cage retainer with adjustable position and angle as set forth in claim 1, wherein: the grinding rotating shaft (6) comprises shaft sleeves (601), six grinding rotating shafts (6) are connected with one shaft sleeve (601) in a sleeved and sliding mode, the front end sections of the six shaft sleeves (601) are respectively provided with a wire drawing and polishing wheel in a locking and sleeving mode, and the six wire drawing and polishing wheels are opposite to six rectangular windows on the ball cage retainer (4) at intervals.

5. The grinding tool for the ball cage retainer with adjustable position and angle as set forth in claim 1, wherein: the vertical supporting positioning frame (8) comprises a triangular top frame (801), the top end shaft collars of the six vertical supporting positioning frames (8) are correspondingly connected with the middle sections of the six shaft sleeves (601) in a sleeved and rotating mode, and one side of the bottom section of each of the six vertical supporting positioning frames (8) is provided with one triangular top frame (801) in a supporting and welding mode.

6. The grinding tool for the ball cage retainer with adjustable position and angle as set forth in claim 1, wherein: gland (5) are including L form ejector pin (501), it is equipped with six L form ejector pins (501) to surround welding cloth on the circumference outer lane of gland (5), and the tail end of this six L form ejector pins (501) all rotates and installs a horizontal apical axis, when gland (5) are locked the gland on ball cage holder (4), six horizontal apical axes can be down inserted with the hypotenuse top sliding contact of six triangle top frames (801).

7. The grinding tool for the ball cage retainer with adjustable position and angle as set forth in claim 1, wherein: a circle of tooth sheet is also arranged on the annular end face of the bottom of the gear ring (102), and the tail ends of the six polishing rotating shafts (6) are sleeved with a driven pinion which is correspondingly contacted and meshed with the circle of tooth sheet at the bottom of the gear ring (102).

8. The grinding tool for the ball cage retainer with adjustable position and angle as set forth in claim 1, wherein: the star-shaped positioning frame (7) comprises a positioning shaft rod (701), the star-shaped positioning frame (7) is integrally formed by welding a central shaft sleeve and six groups of twelve positioning shaft rods (701) which are arranged in an annular array at intervals up and down, and one vertical supporting positioning frame (8) is arranged on each of the six groups of positioning shaft rods (701) in a sliding mode through a spring jacking sleeve.