CN113414700A - Polishing device for automobile hub mold - Google Patents
Polishing device for automobile hub mold Download PDFInfo
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- CN113414700A CN113414700A CN202110751499.XA CN202110751499A CN113414700A CN 113414700 A CN113414700 A CN 113414700A CN 202110751499 A CN202110751499 A CN 202110751499A CN 113414700 A CN113414700 A CN 113414700A
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- polishing
- wheel
- assembly
- arm
- transmission assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a polishing device for an automobile hub mold, which comprises a bracket, a polishing mechanism arranged on the bracket and a rotating base positioned below the polishing mechanism, wherein the polishing mechanism comprises a polishing head and a polishing head; the polishing mechanism comprises a mounting seat, a plurality of polishing components arranged on the mounting seat and an adjusting mechanism arranged on the mounting seat; the polishing component comprises a polishing arm, a polishing wheel arranged on the polishing arm and a polishing mechanism; under the action of the polishing mechanism, the polishing wheel can move in the length direction of the polishing arm and rotate in the moving process; the polishing component can enable the polishing wheel to rotate and move radially at the same time, and can play a role in polishing the spoke grooves of the hub die; the invention is also provided with the adjusting mechanism which can adjust the angles among the plurality of polishing arms, thereby being suitable for the polishing work of hub dies with different spoke grooves and having wider application range.
Description
Technical Field
The invention relates to a polishing device for an automobile hub mold, and belongs to the field of automobile mold production and maintenance.
Background
Polishing forged hub mould surface, can improve drawing of patterns efficiency and wheel hub surface quality, burnishing device on the present market is used for the smooth mould in surface more, and wheel hub mould surface circumference distributes has a plurality of spoke grooves, and burnishing device on the market has the problem that can't polish the spoke groove of wheel hub mould promptly, consequently needs to design a burnishing device for automobile wheel hub mould.
Disclosure of Invention
The invention provides a polishing device for an automobile hub mold, which can solve the problems in the prior art.
A polishing device for an automobile hub mold comprises a support, a polishing mechanism arranged on the support and a rotating base located below the polishing mechanism;
the polishing mechanism comprises a mounting seat, a plurality of polishing components arranged on the mounting seat and an adjusting mechanism arranged on the mounting seat; one of the polishing assemblies is fixedly connected with the bracket, and one or more of the rest polishing assemblies can circumferentially move by taking the mounting seat as a center under the action of the adjusting mechanism;
the polishing component comprises a polishing arm, a polishing wheel arranged on the polishing arm and a polishing mechanism; under the action of the polishing mechanism, the polishing wheel can move in the length direction of the polishing arm and rotate in the moving process.
Preferably, the adjustment mechanism comprises an adjustment assembly and a drive assembly;
the adjusting assembly comprises a sun gear, a gear ring, a plurality of planetary wheel assemblies and a motor, wherein the sun gear is rotatably arranged in the mounting seat, the gear ring is fixedly connected in the mounting seat, and the motor is used for driving the sun gear to rotate; the planetary wheel assemblies are respectively connected with the movable polishing arms, one planetary wheel assembly comprises a first planetary wheel shaft and a first planetary wheel arranged on the first planetary wheel shaft, and the rest planetary wheel assemblies respectively comprise a second planetary wheel shaft and two second planetary wheels arranged on the second planetary wheel shaft at intervals;
the tooth width of the second planet wheel is the same as that of the sun wheel and is one half of that of the first planet wheel;
the distance between two second planet wheels included in the plurality of planet wheel assemblies is sequentially increased in an increasing mode, and the increment is the numerical value of the width of each two teeth of the planet wheel.
Preferably, the driving assembly comprises an air cylinder and a plurality of push rods which are respectively in one-to-one correspondence with the plurality of planet wheel assemblies, an arc-shaped through groove for abdicating the plurality of push rods is formed in the mounting seat, a connecting plate is arranged at the output end of the air cylinder, and the top ends of the plurality of push rods are connected to the lower side of the connecting plate;
the bottom end of the push rod sequentially penetrates through the polishing arm and the planetary wheel assembly, a spring is sleeved on the push rod, one end of the spring abuts against the inner wall of the top of the mounting seat, and the other end of the spring abuts against the planetary wheel assembly;
when the connecting plate is pushed to move upwards by the air cylinder, the push rod and the planet wheel assembly can move upwards together.
Preferably, the polishing mechanism comprises a rotating assembly, a first transmission assembly, a moving assembly and a second transmission assembly;
the rotating assembly is used for driving the polishing wheel to rotate;
the moving assembly is used for driving the polishing wheel to move along the length direction of the polishing arm;
the transmission assembly I is used for transmitting the rotation of the sun wheel to the rotating assembly;
the second transmission assembly is used for transmitting the rotation of the rotating assembly to the moving assembly.
Preferably, the rotating assembly comprises a chain transmission assembly arranged in the polishing arm and a gear wheel rotatably arranged in the polishing arm, wherein the gear wheel is in meshing connection with a chain of the chain transmission assembly;
the gear is arranged on the top of the central shaft of the polishing wheel.
Preferably, the moving assembly comprises a screw rod rotatably arranged in the polishing arm and a sleeve rotatably arranged on the central shaft of the polishing wheel, and the sleeve is matched and arranged on the screw rod;
and a positioning rod penetrating through the sleeve is further arranged in the polishing arm.
Preferably, the first transmission assembly is a belt transmission assembly, and two belt pulleys of the belt transmission assembly are respectively arranged on a rotating shaft at the center of the sun gear and a rotating shaft at the center of a chain wheel of the chain transmission assembly;
the second transmission assembly is two bevel gears in meshed connection, wherein one bevel gear is arranged at the end part of the screw rod, and the other bevel gear is arranged on a rotating shaft at the center of a chain wheel of the chain transmission assembly.
The invention has the beneficial effects that: the polishing component can enable the polishing wheel to rotate and move radially at the same time, and can play a role in polishing the spoke grooves of the hub die;
the invention is also provided with the adjusting mechanism which can adjust the angles among the plurality of polishing arms, so that the polishing device is suitable for polishing work of hub molds with different spoke grooves, the application range is wider, one polishing arm of the plurality of polishing arms can circumferentially move or the plurality of polishing arms can circumferentially move simultaneously according to requirements in the adjusting process, the adjusting speed is effectively increased, and the application range is enlarged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the mounting base of the present invention;
FIG. 3 is a schematic structural view of an adjustment assembly of the present invention;
FIG. 4 is a partial cross-sectional view of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4 in accordance with the present invention;
figure 6 is a partial cross-sectional view of the polishing mechanism of the present invention.
Description of reference numerals:
1. the polishing machine comprises a mounting seat, 2, a rotating base, 3, a motor, 4, a sun gear, 5, a gear ring, 6, a first planet gear, 7, a second planet gear, 8, a cylinder, 9, a push rod, 10, a spring, 11, a polishing arm, 12, a polishing wheel, 13, a chain transmission assembly, 14, a gear, 15, a screw rod, 16, a sleeve, 17, a positioning rod, 18, a belt transmission assembly, 19 and a bevel gear.
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.
As shown in fig. 1 to 6, a polishing device for an automobile hub mold comprises a bracket, a polishing mechanism disposed on the bracket, and a rotating base 2 located below the polishing mechanism and having a lifting function;
the polishing mechanism comprises a mounting base 1, a plurality of polishing components arranged on the mounting base 1 and an adjusting mechanism arranged on the mounting base 1; as shown in fig. 1, one of the polishing assemblies is fixedly connected to the support, and one or more of the remaining polishing assemblies can circumferentially move around the mounting base 1 under the action of the adjusting mechanism;
the polishing component comprises a polishing arm 11, a polishing wheel 12 arranged on the polishing arm 11 and a polishing mechanism; under the action of the polishing mechanism, the polishing wheel 12 can move in the length direction of the polishing arm 11 and rotate in the moving process;
the polishing wheel 12 is a wool wheel;
the automobile hub polishing device has the advantages that the number of spokes of different automobile hubs is different, the angles among the spokes are also different, and the automobile hub polishing device is suitable for polishing work of different automobile hub molds, so that the automobile hub polishing device is provided with the adjusting mechanism for adjusting the angles among the polishing arms 11 to be suitable for different automobile hub molds;
the adjusting mechanism comprises an adjusting component and a driving component;
for convenience of adjustment, under the action of the driving assembly, not only the plurality of polishing arms 11 can be moved circumferentially at the same time, but also one of the plurality of polishing arms 11 can be moved circumferentially;
as shown in fig. 1, a polishing arm 11 connected to a bracket and three adjustable polishing arms 11 are arranged on a mounting base 1, under the action of a rotating base, a hub mold with the number of spoke grooves more than or equal to 4 can be polished, and when the hub mold is actually used, the number of the polishing arms can be selected according to actual requirements;
the adjusting assembly comprises a sun gear 4 which is rotatably arranged in the mounting base 1, a gear ring 5 which is fixedly connected in the mounting base 1, a plurality of planetary wheel assemblies and a motor 3 which is used for driving the sun gear 4 to rotate; the planetary wheel assemblies are respectively connected with the movable polishing arms 11, one of the planetary wheel assemblies comprises a first planetary shaft and a first planetary wheel 6 arranged on the first planetary shaft, and the other planetary wheel assemblies respectively comprise a second planetary shaft and two second planetary wheels 7 arranged on the second planetary shaft at intervals;
the tooth width of the second planet wheel 7 is the same as that of the sun wheel 4 and is one half of that of the first planet wheel 6;
the distance between two planet wheels II 7 included in the plurality of planet wheel assemblies is sequentially increased, and the increment is the tooth width value of the planet wheel II 7;
the driving assembly comprises an air cylinder 8 and a plurality of push rods 9 which are in one-to-one correspondence with the plurality of planet wheel assemblies respectively, an arc-shaped through groove used for yielding the plurality of push rods 9 is formed in the mounting base 1, a connecting plate is arranged at the output end of the air cylinder 8, and the top ends of the plurality of push rods 9 are connected to the lower side of the connecting plate;
each polishing arm 11 is provided with an arc-shaped sliding block, and the arc-shaped sliding block is positioned in the arc-shaped through groove;
the bottom end of the push rod 9 sequentially penetrates through the polishing arm 11 and the planet wheel assembly, a spring 10 is further sleeved on the push rod 9, one end of the spring 10 abuts against the inner wall of the top of the mounting seat 1, and the other end of the spring abuts against the planet wheel assembly; two ends of the spring 10 are respectively contacted with the two but not fixedly connected with the two;
the spring 10 plays a role of pushing the planetary wheel component to be meshed and connected with the sun wheel 4;
when the connecting plate is pushed to move upwards by the air cylinder 8, the push rod 9 and the planet wheel assembly can move upwards together;
under the action of the driving assembly, all the planet wheel assemblies descend simultaneously, and a planet wheel II 7 of the plurality of planet wheel assemblies can be meshed with the sun wheel 4 in sequence until the planet wheel I6 and the plurality of planet wheel II 7 are meshed with the sun wheel 4 simultaneously; as shown in fig. 3, in the initial state, the top end surfaces of the first planet wheels 6 and the two second planet wheels 7 are flush and are in meshed connection with the sun wheel 4,
the polishing mechanism comprises a rotating assembly, a first transmission assembly, a moving assembly and a second transmission assembly;
the rotating assembly is used for driving the polishing wheel 12 to rotate;
the moving component is used for driving the polishing wheel 12 to move along the length direction of the polishing arm 11;
the transmission assembly is used for transmitting the rotation of the sun wheel 4 to the rotating assembly;
the transmission assembly II is used for transmitting the rotation of the rotating assembly to the moving assembly;
the rotating assembly comprises a chain transmission assembly 13 arranged in the polishing arm 11 and a gear 14 rotatably arranged in the polishing arm 11, wherein the gear 14 is in meshing connection with a chain of the chain transmission assembly 13;
the gear 14 is arranged on the top of the central shaft of the polishing wheel 12;
the moving assembly comprises a screw rod 15 which is rotatably arranged in the polishing arm 11 and a sleeve 16 which is rotatably arranged on the central shaft of the polishing wheel 12, and the sleeve 16 is matched and arranged on the screw rod 15;
a positioning rod 17 penetrating through the sleeve 16 is further arranged in the polishing arm 11;
the screw rod 15 drives the sleeve 16 to move when rotating, so that the polishing wheel 12 moves along the length direction of the polishing arm 11, and the sleeve 16 is rotatably arranged on the polishing wheel 12, so that the rotation of the polishing wheel 12 is not influenced in the moving process;
the first transmission component is a belt transmission component 18, and two belt pulleys of the belt transmission component 18 are respectively arranged on a rotating shaft at the center of the sun gear 4 and a rotating shaft at the center of a chain wheel of the chain transmission component 13;
the second transmission component is two bevel gears 19 in meshed connection, wherein one bevel gear 19 is arranged at the end part of the screw rod 15, and the other bevel gear 19 is arranged on a rotating shaft at the center of a chain wheel of the chain transmission component 13;
the chain transmission assembly 13 and the belt transmission assembly 18 are both conventional transmission structures, and therefore, detailed structures thereof will not be described herein.
The working principle is as follows: when 6 spoke grooves which are circumferentially and uniformly distributed are formed in a hub die to be polished, the hub die is fixed on a rotating base 2, then the angle between four polishing arms 11 is adjusted to enable the angle between two adjacent polishing arms 11 to be 60 degrees, a motor 3 is started, the motor 3 drives a sun wheel 4 to rotate, when the sun wheel 4 rotates, three planetary wheel assemblies move circumferentially, so that the three polishing arms 11 rotate 30 degrees simultaneously, at the moment, the included angle between a first polishing arm 11 and the polishing arms 11 fixedly connected to a support is 60 degrees, then a cylinder 8 drives a plurality of push rods 9 to move upwards by the tooth width of two planetary wheels 7, so that the planetary wheel assemblies on the second polishing arms 11 are meshed with the sun wheel 4 to be connected, the motor 3 is started again, the motor 3 drives the second polishing arms 11 to rotate 30 degrees under the transmission of the sun wheel 4, the planetary wheel assemblies and the like, enabling the included angle between the second polishing arm 11 and the first polishing arm 11 to be 60 degrees, adjusting the third polishing arm 11 according to the steps to enable the included angle between the third polishing arm 11 and the second polishing arm 11 to be 60 degrees, namely completing adjustment, and finally lifting all planet wheel assemblies through the air cylinder 8 to enable all planet wheel assemblies not to be meshed with the sun wheel 4;
and the motor 3 is started again, the motor 3 drives the sun gear 4 to rotate, the first transmission assembly transmits the rotation of the sun gear 4 to the chain wheel shaft of the chain transmission assembly 13, and the second transmission assembly transmits the rotation of the chain wheel shaft to the screw rod 15, so that the groove wall of the spoke groove is rotationally polished in the process that the polishing wheel 12 moves in the spoke groove, after repeated reciprocating polishing, the hub mould is driven to rotate by the rotary base 2, and the rest spoke grooves are polished until polishing work is finished.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. A polishing device for an automobile hub mold is characterized by comprising a bracket, a polishing mechanism arranged on the bracket and a rotating base positioned below the polishing mechanism;
the polishing mechanism comprises a mounting seat, a plurality of polishing components arranged on the mounting seat and an adjusting mechanism arranged on the mounting seat; one of the polishing assemblies is fixedly connected with the bracket, and one or more of the rest polishing assemblies can circumferentially move by taking the mounting seat as a center under the action of the adjusting mechanism;
the polishing component comprises a polishing arm, a polishing wheel arranged on the polishing arm and a polishing mechanism; under the action of the polishing mechanism, the polishing wheel can move in the length direction of the polishing arm and rotate in the moving process.
2. The polishing device for the automobile hub mold according to claim 1, wherein the adjusting mechanism comprises an adjusting assembly and a driving assembly;
the adjusting assembly comprises a sun gear, a gear ring, a plurality of planetary wheel assemblies and a motor, wherein the sun gear is rotatably arranged in the mounting seat, the gear ring is fixedly connected in the mounting seat, and the motor is used for driving the sun gear to rotate; the planetary wheel assemblies are respectively connected with the movable polishing arms, one planetary wheel assembly comprises a first planetary wheel shaft and a first planetary wheel arranged on the first planetary wheel shaft, and the rest planetary wheel assemblies respectively comprise a second planetary wheel shaft and two second planetary wheels arranged on the second planetary wheel shaft at intervals;
the tooth width of the second planet wheel is the same as that of the sun wheel and is one half of that of the first planet wheel;
the distance between two second planet wheels included in the plurality of planet wheel assemblies is sequentially increased in an increasing mode, and the increment is the numerical value of the width of each two teeth of the planet wheel.
3. The polishing device for the automobile hub mold according to claim 2, wherein the driving assembly comprises an air cylinder and a plurality of push rods which are in one-to-one correspondence with the plurality of planet wheel assemblies respectively, the mounting base is provided with a plurality of arc-shaped through grooves which can accommodate the push rods to pass through, the output end of the air cylinder is provided with a connecting plate, and the top ends of the push rods are connected to the lower side of the connecting plate;
the bottom end of the push rod sequentially penetrates through the polishing arm and the planet wheel assembly on the polishing arm, a spring is sleeved on the push rod, one end of the spring abuts against the inner wall of the top of the mounting seat, and the other end of the spring abuts against the planet wheel assembly;
when the connecting plate is pushed to move upwards by the air cylinder, the push rod and the planet wheel assembly can move upwards together.
4. The polishing device for the automobile hub mold according to claim 2, wherein the polishing mechanism comprises a rotating assembly, a first transmission assembly, a moving assembly and a second transmission assembly;
the rotating assembly is used for driving the polishing wheel to rotate;
the moving assembly is used for driving the polishing wheel to move along the length direction of the polishing arm;
the transmission assembly I is used for transmitting the rotation of the sun wheel to the rotating assembly;
the second transmission assembly is used for transmitting the rotation of the rotating assembly to the moving assembly.
5. The polishing device for the automobile hub mold as recited in claim 4, wherein the rotating assembly comprises a chain transmission assembly disposed in the polishing arm and a gear rotatably disposed in the polishing arm, the gear is in meshing connection with a chain of the chain transmission assembly;
the gear is arranged on the top of the central shaft of the polishing wheel.
6. The polishing device for the automobile hub mold according to claim 5, wherein the moving assembly comprises a screw rod rotatably disposed in the polishing arm and a sleeve rotatably disposed on a central shaft of the polishing wheel, the sleeve being fittingly disposed on the screw rod;
and a positioning rod penetrating through the sleeve is further arranged in the polishing arm.
7. The polishing device for the automobile hub mold according to claim 6, wherein the first transmission assembly is a belt transmission assembly, and two belt pulleys of the belt transmission assembly are respectively arranged on a rotating shaft at the center of the sun gear and a rotating shaft at the center of a chain wheel of the chain transmission assembly;
the second transmission assembly is two bevel gears in meshed connection, wherein one bevel gear is arranged at the end part of the screw rod, and the other bevel gear is arranged on a rotating shaft at the center of a chain wheel of the chain transmission assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751499.XA CN113414700B (en) | 2021-07-02 | 2021-07-02 | Polishing device for automobile hub mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751499.XA CN113414700B (en) | 2021-07-02 | 2021-07-02 | Polishing device for automobile hub mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113414700A true CN113414700A (en) | 2021-09-21 |
| CN113414700B CN113414700B (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110751499.XA Active CN113414700B (en) | 2021-07-02 | 2021-07-02 | Polishing device for automobile hub mold |
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| Country | Link |
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| CN (1) | CN113414700B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113827134A (en) * | 2021-09-28 | 2021-12-24 | 中国建筑第八工程局有限公司 | A shift axle multi-wheel polishing equipment for terrace |
| CN114211382A (en) * | 2022-02-22 | 2022-03-22 | 江苏金强钢轮有限公司 | Burnishing device is used in hub production |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6718047B1 (en) * | 2019-06-21 | 2020-07-08 | 温州市委暁電子科技有限公司 | Protective hub polisher for finishing polishing work |
| CN111531447A (en) * | 2020-05-08 | 2020-08-14 | 许钦领 | Bicycle hub residual rubber processing device |
| CN111975610A (en) * | 2020-09-05 | 2020-11-24 | 刘先平 | New energy automobile steel hub surface polishing treatment method |
| CN112975694A (en) * | 2021-04-16 | 2021-06-18 | 朱敏 | New energy automobile wheel hub grinding device |
-
2021
- 2021-07-02 CN CN202110751499.XA patent/CN113414700B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6718047B1 (en) * | 2019-06-21 | 2020-07-08 | 温州市委暁電子科技有限公司 | Protective hub polisher for finishing polishing work |
| CN111531447A (en) * | 2020-05-08 | 2020-08-14 | 许钦领 | Bicycle hub residual rubber processing device |
| CN111975610A (en) * | 2020-09-05 | 2020-11-24 | 刘先平 | New energy automobile steel hub surface polishing treatment method |
| CN112975694A (en) * | 2021-04-16 | 2021-06-18 | 朱敏 | New energy automobile wheel hub grinding device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113827134A (en) * | 2021-09-28 | 2021-12-24 | 中国建筑第八工程局有限公司 | A shift axle multi-wheel polishing equipment for terrace |
| CN113827134B (en) * | 2021-09-28 | 2022-06-28 | 中国建筑第八工程局有限公司 | A shift axle multi-wheel polishing equipment for terrace |
| CN114211382A (en) * | 2022-02-22 | 2022-03-22 | 江苏金强钢轮有限公司 | Burnishing device is used in hub production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113414700B (en) | 2022-01-21 |
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