CN219131948U

CN219131948U - Star gear inner circle grinding aid

Info

Publication number: CN219131948U
Application number: CN202320081880.4U
Authority: CN
Inventors: 汤慎遥; 杜平; 盛德君
Original assignee: Hangzhou Kangxin Tool Manufacturing Co ltd
Current assignee: Hangzhou Kangxin Tool Manufacturing Co ltd
Priority date: 2023-01-11
Filing date: 2023-01-11
Publication date: 2023-06-06
Anticipated expiration: 2033-01-11

Abstract

The utility model discloses an auxiliary device for polishing the inner circle of a star gear. The inner part of the sleeve body of the star gear inner circle polishing auxiliary device is provided with the supporting ring, so that the part without teeth of the end face of one star gear in the sleeve body can be tightly propped, and meanwhile, the pad body arranged between every two star gears can tightly prop up the part without teeth of the end faces of a plurality of star gears, so that the plurality of star gears can be tightly pasted, the inner holes of the star gears are prevented from being skewed during polishing, and the production quality is ensured; the inner end of the locking piece is provided with a supporting piece, the inside of the locking piece is elastic, multiple groups of star gears can be tightly propped, and when gaps exist between the end faces of the individual star gears and the sleeve body or other star gears, the star gears can be tightly stuck through rotary vibration and elastic force, so that polishing quality is guaranteed.

Description

Star gear inner circle grinding aid

Technical Field

The utility model belongs to the field of chain saw production, and relates to an auxiliary device for polishing an inner circle of a star gear.

Background

The chain saw is also called a chain saw, is a portable saw using a gasoline engine as power, is mainly used for felling and making materials, and has the working principle that the cutting action is carried out by the transverse movement of L-shaped blades staggered on a saw chain, and the chain saw is generally divided into a motor chain saw, a non-motor chain saw and the like.

The chain saw drives the chain to rotate through the star gear to work, holes are formed in the star gear and used for fixing, the holes in the star gear are required to be polished, the accuracy of chain movement can be guaranteed when the chain saw is used, the star gear is usually polished by fixing the chain saw through an external clamp, only one chain can be polished at a time, the efficiency is low, the end faces of the star gears are stuck together and placed in the sleeve to polish, the efficiency can be improved, burrs exist at teeth of the star gear, and the individual star gears can be inclined, so that inner holes of the star gears are inclined, and the use is influenced; meanwhile, the locking piece is locked at the outer end of the sleeve body, the star gears are tightly propped, in the propping process, the teeth of the individual star gears are tightly propped against the inner wall of the sleeve body, but the axial positions of the star gears are not in place, gaps exist between the end faces of the individual star gears and the sleeve body or other star gears, the locking piece does not tightly prop up the star gears, and when the sleeve body rotates, the generated vibration can loosen the star gears, so that polishing is affected.

Disclosure of Invention

In view of the problems existing in the prior art, the technical scheme adopted by the utility model is as follows: including the cover body, the cover body includes the staving, staving inboard rear end face fixed mounting has the holding ring, staving internally mounted has the multiunit to fill up the body, it includes the packing ring to fill up the body, staving outer end threaded connection has the retaining member, retaining member inside movable mounting has the support piece, the support piece includes the support body, a plurality of rollers are installed in the rotation of support body outer end, terminal surface elastic mounting has the backing plate in the support body, the holding ring passes through the bolt mode to be installed, connects at staving inboard rear end face, it adopts the copper material to make to fill up the body.

As a preferable scheme of the utility model, a fixing seat is fixedly arranged on the outer end surface of the barrel body, three clamping surfaces are arranged on the outer side of the circumference of the fixing seat, the fixing seat is fixedly arranged at the rear part of the barrel body in a welding mode, and the clamping surfaces are processed in a milling mode.

As a preferable scheme of the utility model, the inner part of the outer end of the barrel body is provided with the internal thread, the internal thread is formed by turning by a thread cutter, and the pitch of the internal thread is 2mm.

As a preferable scheme of the utility model, a rear channel is arranged in the sleeve body, the rear channel is round, the inner side corners of the rear channel are chamfered, the chamfer diameter is 1mm, and the diameter of the rear channel is larger than the diameter dimension of the star gear to be molded.

As a preferable scheme of the utility model, three groups of supporting lugs are arranged on the outer side of the circumference of the gasket, the supporting lugs are positioned on the outer side of the circumference of the gasket, the thickness of the supporting lugs is smaller than that of the gasket by 1mm, the supporting lugs are fixedly arranged on the outer side of the circumference of the gasket in a welding mode, the corners of the outer side of the supporting lugs are rounded, the corners of the inner hole of the gasket are rounded, the set rounding diameter is 1mm, the corners of the outer side of the gasket and the corners of the inner hole are chamfered, the set chamfer is C0.5, and a hole is formed in the middle of the gasket.

As a preferable scheme of the utility model, the inner end surface of the support body is fixedly provided with a spring, the other end of the spring is fixedly provided with a backing plate, one end of the spring is fixedly arranged on the inner end surface of the support body in a welding mode, and one end of the spring is fixedly arranged at the inner end surface of the backing plate in a welding mode.

As a preferable scheme of the utility model, the locking piece comprises a locking cover, the outer end surface of the locking cover is provided with a bayonet, the outer side surface of the circumference of the locking cover is provided with external threads, the bayonet at the outer end surface of the locking cover is hexagonal and is consistent with the outer side edge of a wrench, the external threads at the outer side of the circumference of the locking cover are formed by turning with a thread cutter, the thread pitch is 2mm, and the middle part of the locking cover is provided with a hole.

As a preferable scheme of the utility model, the middle part of the lock cover is provided with a front channel, the front channel is round, the inner side corners of the front channel are chamfered, the diameter of the chamfer is 1mm, and the diameter of the front channel is larger than the diameter dimension of the star gear which needs to be formed.

The star gear inner circle polishing auxiliary device has the beneficial effects that: the inner part of the sleeve body of the star gear inner circle polishing auxiliary device is provided with the supporting ring, so that the part without teeth of the end face of one star gear in the sleeve body can be tightly propped, and meanwhile, the pad body arranged between every two star gears can tightly prop up the part without teeth of the end faces of a plurality of star gears, so that the plurality of star gears can be tightly pasted, the inner holes of the star gears are prevented from being skewed during polishing, and the production quality is ensured;

the inner end of the locking piece is rotatably provided with a supporting piece, the inside of the locking piece is elastic, a plurality of groups of star gears can be tightly propped up, when gaps exist between the end faces of the individual star gears and the sleeve body or other star gears, the star gears can be tightly stuck by rotating and vibrating and matching with the elasticity, so that the polishing quality is ensured;

when the locking piece is rotated, the plurality of groups of rollers arranged at the outer end of the supporting piece can prevent the elastic component inside from being damaged through rotation.

Drawings

FIG. 1 is a block diagram of an auxiliary device for polishing the inner circle of a star gear;

FIG. 2 is a view showing the external structure of a sleeve of the star gear inside circle polishing auxiliary device;

FIG. 3 is a view showing the internal structure of a sleeve of the star gear inside circle grinding aid according to the present utility model;

FIG. 4 is a diagram showing the structure of a pad body of the star gear inside circle polishing auxiliary device;

FIG. 5 is a block diagram of a support for a star gear inside circle grinding aid of the present disclosure;

FIG. 6 is a block diagram of a lock member of the star gear inside circle grinding aid of the present utility model;

in the figure: 1-sleeve body, 101-barrel body, 102-fixing seat, 103-clamping surface, 104-supporting ring, 105-internal thread, 106-back channel, 2-pad body, 201-gasket, 202-supporting ear, 3-supporting piece, 301-supporting body, 302-spring, 303-backing plate, 304-roller, 4-locking piece, 401-locking cover, 402-bayonet, 403-front channel and 404-external thread.

Detailed Description

As shown in fig. 1 to 6, the utility model discloses an auxiliary device for polishing an inner circle of a star gear, which adopts the technical scheme that the auxiliary device comprises a sleeve body 1, wherein the sleeve body 1 comprises a barrel body 101, a supporting ring 104 is fixedly arranged on the inner rear end surface of the barrel body 101, a plurality of groups of pad bodies 2 are arranged in the barrel body 101, the pad bodies 2 comprise gaskets 201, locking pieces 4 are connected with the outer ends of the barrel body 101 in a threaded manner, supporting pieces 3 are movably arranged in the locking pieces 4, the supporting pieces 3 comprise supporting bodies 301, a plurality of rollers 304 are rotatably arranged at the outer ends of the supporting bodies 301, a backing plate 303 is elastically arranged at the inner end surfaces of the supporting bodies 301, a supporting ring 104 is arranged in the sleeve body 1 of the auxiliary device for polishing an inner circle of the star gear, the parts of one star gear end surface without teeth in the inside can be tightly propped, and meanwhile, the pad bodies 2 arranged between every two star gears can tightly prop up the parts of the star gears without teeth in the end surfaces, the star gears can be tightly pasted, the inner holes of the star gears can be prevented from being askew when polishing, and the production quality is ensured; the inner end of the locking piece 4 is rotatably provided with a supporting piece 3, the inside of the locking piece is elastic, a plurality of groups of star gears can be tightly propped, when gaps exist between the end faces of the individual star gears and the sleeve body or other star gears, the star gears can be tightly stuck by rotating and vibrating and matching with the elasticity, so that the polishing quality is ensured; when the locking member 4 is rotated, the plurality of sets of rollers 304 provided at the outer end of the supporting member 3 can prevent damage to the inner elastic member by rotating.

The fixing base 102 is fixedly arranged on the outer end face of the barrel body 101, three clamping faces 103 are arranged on the outer side of the circumference of the fixing base 102, the three clamping faces 103 are used for being attached to the clamping jaws of the three-jaw chuck, the fixing base 102 is fixed, the fixing base 102 is used for fixing the barrel body 101, and accordingly fixing of the star gear is achieved.

The internal thread 105 is arranged inside the outer end of the barrel body 101, and the arranged internal thread 105 is used for connecting the locking piece 4, so that the clamping of the barrel body 1 on the star gear is met, and the rotation work of grinding the star gear is realized.

The inside back passageway 106 that is provided with of cover body 1, back passageway 106 link up fixing base 102, and back passageway 106 reserves the space of polishing for the wheel of polishing, when the wheel of polishing polishes the star gear, the end of polishing wheel can pass all star gears.

Three groups of supporting lugs 202 are arranged on the outer side of the circumference of the gasket 201, and the gasket 201 is used for supporting between two groups of star gears, so that the star gears can be clamped, and higher quality requirements can be met during polishing.

The inner end surface of the supporting body 301 is fixedly provided with a spring 302, the other end of the spring 302 is fixedly provided with a backing plate 303, the supporting body 301 is used for being attached to the locking piece 4, and the spring 302 is compressed through the locking piece 4, so that the star gear can be clamped.

The retaining member 4 comprises a locking cover 401, a bayonet 402 is arranged on the outer end face of the locking cover 401, an external thread 404 is arranged on the outer side face of the circumference of the locking cover 401, the arranged bayonet 402 is used for inserting a spanner, locking and fixing of the retaining member 4 are achieved, the external thread 404 is used for connecting the internal thread 105, fixing of the barrel 101 and the retaining member 4 is achieved, and polishing and fixing of a plurality of star gears are achieved.

The lock cover 401 middle part is provided with preceding passageway 403, and preceding passageway 403 that sets up runs through in lock cover 401, can make the wheel of polishing pass preceding passageway 403 when the wheel of polishing polishes, realizes polishing to a plurality of star gears in the staving 1.

The utility model relates to a star gear inner circle grinding auxiliary device working principle: when the star gear inner circle polishing auxiliary device is installed, firstly, one star gear is placed in the barrel body 101, the part of the star gear end face without teeth is attached to a supporting ring 104 of the inner end face of the barrel body 101, then the same number of cushion bodies 2 and other star gears are sequentially placed, a gasket 201 in each cushion body 2 is attached to the part of the two star gear end faces without teeth, the supporting lugs 202 support the cushion bodies 2, after the last star gear is placed, the supporting piece 3 is placed at the inner outer end of the barrel body 101, the locking piece 4 is rotated at the outer end of the inner part of the barrel body 101, an external thread 404 on the outer side of the circumference of the locking piece 4 is connected with an internal thread 105 of the inner part of the barrel body 1, the locking piece 4 is screwed by a spanner to be locked, a spring 302 is compressed, a backing plate 303 tightly pushes the star gear, a locking cover 401 rotates in the rotating process, a roller 304 at the outer end of the supporting body 301 protects the spring 302, then a fixing seat 102 at the rear part of the sleeve body 1 is installed on a three-jaw chuck of a grinding machine, and finally, the inner hole of the star gear can be polished by a clamping face 103.

Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.

Claims

1. An auxiliary device for polishing inner circles of star gears, which is characterized in that: including cover body (1), cover body (1) includes staving (101), staving (101) inboard rear end face fixed mounting has backup ring (104), staving (101) internally mounted has multiunit pad body (2), pad body (2) are including packing ring (201), staving (101) outer end threaded connection has retaining member (4), retaining member (4) inside movable mounting has support piece (3), support piece (3) include support body (301), a plurality of rollers (304) are installed in support body (301) outer end rotation, backing plate (303) are installed to support body (301) inner end face elastic mounting.

2. A star-gear inside circle grinding aid as defined in claim 1, wherein: the novel barrel is characterized in that a fixing seat (102) is fixedly arranged on the outer end face of the barrel body (101), and three clamping faces (103) are arranged on the outer side of the circumference of the fixing seat (102).

3. A star-gear inside circle grinding aid as defined in claim 1, wherein: an internal thread (105) is arranged inside the outer end of the barrel body (101).

4. A star-gear inside circle grinding aid as defined in claim 1, wherein: a rear channel (106) is arranged in the sleeve body (1).

5. A star-gear inside circle grinding aid as defined in claim 1, wherein: three groups of supporting lugs (202) are arranged on the outer side of the circumference of the gasket (201).

6. A star-gear inside circle grinding aid as defined in claim 1, wherein: a spring (302) is fixedly arranged on the inner end surface of the supporting body (301), and a backing plate (303) is fixedly arranged at the other end of the spring (302).

7. A star-gear inside circle grinding aid as defined in claim 1, wherein: the locking piece (4) comprises a locking cover (401), a bayonet (402) is arranged on the outer end face of the locking cover (401), and an external thread (404) is arranged on the outer side face of the circumference of the locking cover (401).

8. The star wheel inside grinding aid as defined in claim 7, wherein: the middle part of the lock cover (401) is provided with a front channel (403).