CN210703948U - Automobile rear axle driving gear blank center hole grinding device - Google Patents
Automobile rear axle driving gear blank center hole grinding device Download PDFInfo
- Publication number
- CN210703948U CN210703948U CN201921672736.8U CN201921672736U CN210703948U CN 210703948 U CN210703948 U CN 210703948U CN 201921672736 U CN201921672736 U CN 201921672736U CN 210703948 U CN210703948 U CN 210703948U
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- blank
- block
- outer side
- driving gear
- rear axle
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Abstract
The utility model discloses a car rear axle driving gear blank centre bore grinder, comprising a base plate, the middle part upper end of bottom plate is provided with the fixed block, the inboard of fixed block is rotated and is connected with the transmission shaft, the outside of transmission shaft is provided with the screw thread arch, the one end fixed mounting of transmission shaft has the carousel, the bellied outside threaded connection of screw thread has first clamp splice and second clamp splice, the outside fixed mounting of fixed block has the slide bar, the one end of slide bar runs through the inboard of first clamp splice and second clamp splice, the beneficial effects of the utility model are that: the center holes of the blank are ground through the center, compared with the method that the surface roughness of the center holes is effectively improved through direct drilling, the subsequent processing quality based on the center holes is also improved, meanwhile, the grinding efficiency of the center holes of the left end and the right end is effectively improved, the center holes of the two sides can be located on the same axis, and the precision of the center holes is further improved.
Description
Technical Field
The utility model relates to an automobile manufacturing technical field specifically is a car rear axle driving gear blank centre bore grinder.
Background
In the mechanical processing of the automobile rear axle driving gear, a lathe is used for drilling a center hole as required, but with the improvement of the requirement of the existing product, the requirement of a client cannot be met for the center hole directly drilled. Therefore, in order to improve the machining accuracy of the gear, it is necessary to grind the center holes, and to grind the center holes at both ends of the blank member at the same time, thereby improving the surface roughness of the center holes.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an automobile rear axle driving gear blank centre bore grinder to solve the centre bore that directly carries out the drilling on blank, the precision of centre bore is lower, leads to the size of follow-up gear not to conform to the standard, can't reach the problem that the customer required.
In order to achieve the above object, the utility model provides a following technical scheme: a grinding device for a central hole of a driving gear blank of an automobile rear axle comprises a bottom plate, wherein a fixed block is arranged at the upper end of the middle of the bottom plate, a transmission shaft is rotatably connected to the inner side of the fixed block, a threaded bulge is arranged on the outer side of the transmission shaft, a rotary disc is fixedly mounted at one end of the transmission shaft, a first clamping block and a second clamping block are in threaded connection with the outer side of the threaded bulge, a sliding rod is fixedly mounted on the outer side of the fixed block, one end of the sliding rod penetrates through the inner sides of the first clamping block and the second clamping block, a blank is clamped on the outer sides of the first clamping block and the second clamping block, an auxiliary block is arranged on the upper surface of the bottom plate, a positioning rod is arranged on the outer side of the auxiliary block, a moving block is slidably connected to the outer side of the positioning rod, a spring is sleeved, the output shaft of the motor is fixedly connected with the mandrel through a coupler, and one end of the mandrel is provided with a tip.
Preferably, the number of the thread protrusions is provided with two groups, and the thread directions of the two groups of the thread protrusions are opposite.
Preferably, one end of the tip is aligned with the center of the blank, and the tip is distributed on the left side and the right side of the blank.
Preferably, the spring is in a compressed state, one end of the spring abuts against the moving block, and the other end of the spring abuts against the outer side of the auxiliary block.
Preferably, the outer side of the moving block is provided with a mounting plate, the upper surface of one side of the mounting plate is provided with a handle, and the inner side of the mounting plate is inserted with a limit pin.
Compared with the prior art, the beneficial effects of the utility model are that: this automobile rear axle driving gear blank centre bore grinder: carry out the centre gripping to the blank through the first clamp splice and the second clamp splice that set up, the blank can fix, carry out the grinding of centre bore to the blank through top, compare with the roughness that directly drills and effectively improve the centre bore, guarantee the processingquality of car rear axle driving gear blank, also improve the processingquality who uses the centre bore as the benchmark in subsequent stage, top setting is in the both sides of blank, can be simultaneously to controlling the grinding that both ends carried out the centre bore effectively raise the efficiency, guarantee that the centre bore of both sides can be in on the same axis, and further improve the precision of centre bore.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a left side view of the blank and its fastening assembly of the present invention;
fig. 3 is a top view of the blank and its fixing assembly of the present invention.
In the figure: 10. a base plate; 11. a fixed block; 12. a slide bar; 13. a first clamping block; 14. a second clamp block; 15. a drive shaft; 16. a threaded boss; 17. a turntable; 18. a blank member; 19. an auxiliary block; 20. positioning a rod; 21. a moving block; 22. a spring; 23. a motor; 24. a mandrel; 25. a tip; 26. mounting a plate; 27. a handle; 28. and a limiting pin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a grinding device for a central hole of a driving gear blank of an automobile rear axle comprises a base plate 10, a fixed block 11 is arranged at the upper end of the middle of the base plate 10, a transmission shaft 15 is rotatably connected to the inner side of the fixed block 11, threaded protrusions 16 are arranged on the outer side of the transmission shaft 15, a rotary table 17 is fixedly mounted at one end of the transmission shaft 15, the transmission shaft 15 can be driven to rotate by rotating the rotary table 17, a first clamping block 13 and a second clamping block 14 are in threaded connection with the outer side of the threaded protrusions 16, two groups of threaded protrusions 16 are arranged, the directions of threads of the two groups of threaded protrusions 16 are opposite, the directions of the threaded protrusions 16 corresponding to the first clamping block 13 and the second clamping block 14 are opposite, when the transmission shaft 15 rotates, the moving directions of the first clamping block 13 and the second clamping block 14 are opposite, the first clamping block 13 and the second clamping block 14 can be close to or far, a sliding rod 12 is fixedly installed on the outer side of the fixed block 11, one end of the sliding rod 12 penetrates through the inner sides of the first clamping block 13 and the second clamping block 14, the sliding rod 12 limits the first clamping block 13 and the second clamping block 14, so that the first clamping block 13 and the second clamping block 14 can only move along the direction of the sliding rod 12, a blank 18 is clamped on the outer sides of the first clamping block 13 and the second clamping block 14, the blank 18 can be fixed by the mutual approach of the first clamping block 13 and the second clamping block 14, an auxiliary block 19 is arranged on the upper surface of the bottom plate 10, a positioning rod 20 is arranged on the outer side of the auxiliary block 19, a moving block 21 is slidably connected to the outer side of the positioning rod 20, the moving block 21 can change the position along the positioning rod 20, a spring 22 is sleeved on the outer side of the positioning rod 20, the spring 22 is in a compressed state, one end of the spring 22 abuts against the moving block 21, and the other end of the spring 22 abuts against, under the influence of the elastic force of the spring 22, the moving block 21 has a tendency of moving towards the blank 18, a motor 23 is fixedly installed on the outer side of the moving block 21, a mandrel 24 is rotatably connected to the inner side of the upper end of the moving block 21, an output shaft of the motor 23 is fixedly connected with the mandrel 24 through a coupler, one end of the mandrel 24 is provided with a tip 25, the motor 23 can drive the mandrel 24 to rotate when rotating, the mandrel 24 can drive the tip 25 to rotate when rotating, one end of the tip 25 is aligned with the central position of the blank 18, the tips 25 are distributed on the left side and the right side of the blank 18, after the tip 25 is connected with the two ends of the blank 18, the central holes can be ground at the left end and the right end simultaneously, the efficiency is effectively improved, the central holes at, the outside of movable block 21 is provided with mounting panel 26, one side upper surface of mounting panel 26 is provided with handle 27, the inboard of mounting panel 26 is pegged graft and is had spacer pin 28, through outwards pulling handle 27 for the position of blank 18 can be kept away from to movable block 21, conveniently changes blank 18, through the spacer pin 28 that sets up, can restrict the position of mounting panel 26, support the outside at supplementary piece 19 to spacer pin 28, can carry on spacingly to mounting panel 26, make top 25 can keep away from blank 18.
The utility model discloses when concrete implementation: when the central hole is ground, the motor 23 needs to be started, the motor 23 can drive the mandrel 24 to rotate when rotating, the mandrel 24 can drive the tip 25 to rotate when rotating, the tip 25 is in contact with two ends of the blank 18, the central hole is ground at two ends of the blank 18, when the blank 18 needs to be taken down, the motor 23 is closed, the limit pin 28 is pulled out, the handle 27 is pulled towards the outer side, the spring 22 is stressed and compressed, the moving block 21 and the mounting plate 26 can be far away from the blank 18, the limit pin 28 is inserted back again, the limit pin 28 can abut against the outer side of the auxiliary block 19, the tip 25 can be far away from the blank 18, when the rotating disc 17 is rotated clockwise, the first clamping block 13 and the second clamping block 14 can be gradually far away under the action of the screw force, the clamping of the first clamping block 13 and the second clamping block 14 is lost, and the blank 18 can be taken down.
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 (5)
1. The utility model provides an automobile rear axle driving gear blank centre bore grinder, includes bottom plate (10), its characterized in that: a fixed block (11) is arranged at the upper end of the middle of the bottom plate (10), a transmission shaft (15) is rotatably connected to the inner side of the fixed block (11), a threaded boss (16) is arranged on the outer side of the transmission shaft (15), a rotary table (17) is fixedly mounted at one end of the transmission shaft (15), a first clamping block (13) and a second clamping block (14) are in threaded connection with the outer side of the threaded boss (16), a sliding rod (12) is fixedly mounted on the outer side of the fixed block (11), one end of the sliding rod (12) penetrates through the inner sides of the first clamping block (13) and the second clamping block (14), a blank piece (18) is clamped between the outer sides of the first clamping block (13) and the second clamping block (14), an auxiliary block (19) is arranged on the upper surface of the bottom plate (10), a positioning rod (20) is arranged on the outer side of the auxiliary block (19), and a moving block (21) is slidably, the outer side of the positioning rod (20) is sleeved with a spring (22), the outer side of the moving block (21) is fixedly provided with a motor (23), the inner side of the upper end of the moving block (21) is rotatably connected with a mandrel (24), an output shaft of the motor (23) is fixedly connected with the mandrel (24) through a coupler, and one end of the mandrel (24) is provided with a tip (25).
2. The grinding device for the central hole of the blank of the driving gear of the rear axle of the automobile as claimed in claim 1, wherein: the number of the thread protrusions (16) is provided with two groups, and the thread directions of the two groups of the thread protrusions (16) are opposite.
3. The grinding device for the central hole of the blank of the driving gear of the rear axle of the automobile as claimed in claim 1, wherein: one end of the center (25) is aligned with the center of the blank (18), and the centers (25) are distributed on the left side and the right side of the blank (18).
4. The grinding device for the central hole of the blank of the driving gear of the rear axle of the automobile as claimed in claim 1, wherein: the spring (22) is in a compressed state, one end of the spring (22) abuts against the moving block (21), and the other end of the spring (22) abuts against the outer side of the auxiliary block (19).
5. The grinding device for the central hole of the blank of the driving gear of the rear axle of the automobile as claimed in claim 1, wherein: the outer side of the moving block (21) is provided with an installation plate (26), the upper surface of one side of the installation plate (26) is provided with a handle (27), and the inner side of the installation plate (26) is inserted with a limit pin (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921672736.8U CN210703948U (en) | 2019-10-09 | 2019-10-09 | Automobile rear axle driving gear blank center hole grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921672736.8U CN210703948U (en) | 2019-10-09 | 2019-10-09 | Automobile rear axle driving gear blank center hole grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210703948U true CN210703948U (en) | 2020-06-09 |
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ID=70957425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921672736.8U Active CN210703948U (en) | 2019-10-09 | 2019-10-09 | Automobile rear axle driving gear blank center hole grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210703948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116475862A (en) * | 2023-05-15 | 2023-07-25 | 山东大众机械制造股份有限公司 | Swing frame and processing equipment |
-
2019
- 2019-10-09 CN CN201921672736.8U patent/CN210703948U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116475862A (en) * | 2023-05-15 | 2023-07-25 | 山东大众机械制造股份有限公司 | Swing frame and processing equipment |
| CN116475862B (en) * | 2023-05-15 | 2023-09-15 | 山东大众机械制造股份有限公司 | Swing frame and processing equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 621700 group 3, Guangsheng village, Sanhe Town, Jiangyou City, Mianyang City, Sichuan Province Patentee after: Jiangyou Taifu Machinery Manufacturing Co.,Ltd. Address before: 621700 group 3, Guangsheng village, Sanhe Town, Jiangyou City, Mianyang City, Sichuan Province Patentee before: SICHUAN JIANGYOU ZHONGHENG SPECIAL STEEL Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |