CN220783236U - Polishing device for processing front bushing of cam shaft of engine - Google Patents
Polishing device for processing front bushing of cam shaft of engine Download PDFInfo
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- CN220783236U CN220783236U CN202322504800.4U CN202322504800U CN220783236U CN 220783236 U CN220783236 U CN 220783236U CN 202322504800 U CN202322504800 U CN 202322504800U CN 220783236 U CN220783236 U CN 220783236U
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- bevel gear
- rotating
- rotating assembly
- polishing
- workbench
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- 238000005498 polishing Methods 0.000 title claims abstract description 47
- 238000003754 machining Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
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- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The utility model provides a polishing device for processing a front bushing of a cam shaft of an engine, which comprises a workbench, wherein the upper surface of the workbench is connected with a bracket, the bottom end of the inside of the bracket is provided with a positioning mechanism, and the top end of the bracket is provided with a polishing mechanism; the positioning mechanism comprises a first rotating assembly arranged above the workbench, the execution end of the first rotating assembly is connected with a rotating frame, a shell of the rotating frame penetrates through a threaded sleeve, a screw rod penetrates through the shell of the threaded sleeve, and two ends of the screw rod are respectively connected with a positioning block and a nut; the polishing mechanism comprises a second rotating assembly arranged at the top end of the support, the execution end of the second rotating assembly is connected with a fixed block, the lower surface of the fixed block is connected with first electric push rods which are symmetrically arranged, and one end, far away from the fixed block, of each first electric push rod is connected with a locating piece. The utility model discloses a positioning mechanism, grinding machanism mutually support, make the device more stable, efficiency is higher at the in-process of polishing.
Description
Technical Field
The utility model mainly relates to the technical field of camshaft front bushing processing, in particular to a polishing device for processing a camshaft front bushing of an engine.
Background
The front bushing of the camshaft is arranged on the engine body, the camshaft is positioned in the bushing hole, and the camshaft runs at high speed in the camshaft bushing when the engine works, so that the technical requirements on the surface roughness, the oil hole positioning direction, the roundness, the cylindricity and the like of the camshaft bushing are very high.
At present, when the existing polishing device is used for processing and polishing the front bushing of the cam shaft, the polishing mechanism above the front bushing of the cam shaft is only used for rotating and polishing, friction is small, and polishing efficiency is low. Therefore, the polishing device for processing the front bushing of the cam shaft of the engine is provided with more stable devices and higher efficiency during polishing.
Disclosure of Invention
The utility model mainly provides a polishing device for processing a front bushing of a cam shaft of an engine, which is used for solving the technical problems in the background technology.
The technical scheme adopted for solving the technical problems is as follows:
the polishing device for machining the front bushing of the camshaft of the engine comprises a workbench, wherein the upper surface of the workbench is connected with a bracket, the bottom end of the inside of the bracket is provided with a positioning mechanism, and the top end of the bracket is provided with a polishing mechanism;
the positioning mechanism comprises a first rotating assembly arranged above the workbench, the execution end of the first rotating assembly is connected with a rotating frame, a groove is formed in a shell of the rotating frame, screw sleeves penetrate through the side walls of the periphery of the rotating frame, a screw rod penetrates through the shell of the screw sleeve, and two ends of the screw rod are respectively connected with a positioning block and a nut;
the polishing mechanism comprises a second rotating assembly arranged at the top end of the bracket, the execution end of the second rotating assembly is connected with a fixed block, the lower surface of the fixed block is connected with first electric push rods which are symmetrically arranged, and one end of each first electric push rod, which is far away from the fixed block, is connected with a positioning piece; the first rotating assembly and the second rotating assembly are connected through a linkage assembly.
Further, the first rotating assembly comprises a motor arranged on the upper surface of the workbench, an output shaft of the motor is connected with a first bevel gear, one side of the first bevel gear is meshed with a second bevel gear, the center of the second bevel gear penetrates through a first rotating shaft, the top end of the first rotating shaft is connected with and supports a rotating frame, a bearing seat is arranged at the bottom end of the first rotating shaft, and the bearing seat is arranged on the upper surface of the workbench.
Further, a fixing frame is connected above the support, and the bottom end of the fixing frame is connected with a second rotating assembly.
Further, the second rotating assembly comprises a second rotating shaft connected to the bottom end of the fixing frame, and a third bevel gear is connected to the outer surface of the second rotating shaft.
Further, the first rotating assembly further comprises a fourth bevel gear in meshed connection with the second bevel gear, and a fourth rotating shaft connected with the fourth bevel gear.
The second rotating assembly further comprises a fifth bevel gear in meshed connection with the third bevel gear, and a fifth rotating shaft connected with the fifth bevel gear.
Further, the linkage assembly comprises a first sprocket arranged at the top end of the fourth rotating shaft and a second sprocket arranged at the top end of the fifth rotating shaft, and a chain is connected between the first sprocket and the second sprocket.
Further, the center of the shell of the positioning piece is provided with a center hole, one side surface of the center hole is connected with a second electric push rod, and one side, far away from the center hole, of the second electric push rod is connected with an arc grinding disc.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model is provided with the positioning mechanism and the arc polishing disc, so that the device is more stable and has higher efficiency in the polishing process; the method comprises the following steps: the positioning block at one end of the screw is controlled by the nut, so that the device is fixed, and the device is more stable in polishing; the motor that this practicality adopted is reciprocating motor, can drive positioning mechanism, the reciprocal rotation of grinding machanism through reciprocating motor, polishes the device through positioning mechanism, grinding machanism's reciprocal rotation, can improve polishing efficiency greatly.
The utility model will be explained in detail below with reference to the drawings and specific embodiments.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present utility model;
FIG. 2 is a schematic view of a first rotating assembly according to the present utility model;
FIG. 3 is a schematic view of a second rotating assembly according to the present utility model;
FIG. 4 is a schematic view of the polishing mechanism of the present utility model;
FIG. 5 is a schematic view of a fixing mechanism according to the present utility model;
fig. 6 is a schematic view of the chain structure of the present utility model.
In the figure: 10. a work table; 11. a bracket; 12. a fixing frame; 20. a positioning mechanism; 21. a first rotating assembly; 211. a motor; 212. a first bevel gear; 213. a second bevel gear; 214. a first rotation shaft; 215. a bearing seat; 216. a fourth bevel gear; 217. a fourth rotation shaft; 21. a first rotating assembly; 22. a rotating frame; 221. a groove; 23. a thread sleeve; 24. a screw; 25. a positioning block; 26. a nut; 30. a polishing mechanism; 31. a second rotating assembly; 311. a fifth rotation shaft; 312. a fifth bevel gear; 313. a third bevel gear; 314. a second rotation shaft; 32. a fixed block; 33. a first electric push rod; 34. a positioning piece; 341. a central bore; 342. a second electric push rod; 343. arc polishing disc; 40. a linkage assembly; 41. a chain; 42. a first sprocket; 43. a second sprocket.
Detailed Description
In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.
1-6, a polishing device for processing a front bushing of a camshaft of an engine comprises a workbench 10, wherein the upper surface of the workbench 10 is connected with a bracket 11, the bottom end of the inside of the bracket 11 is provided with a positioning mechanism 20, and the top end of the bracket 11 is provided with a polishing mechanism 30;
the positioning mechanism 20 comprises a first rotating assembly 21 arranged above the workbench 10, the execution end of the first rotating assembly 21 is connected with a rotating frame 22, a groove 221 is formed in the shell of the rotating frame 22, screw sleeves 23 penetrate through the side walls of the periphery of the rotating frame 22, a screw 24 penetrates through the shell of the screw sleeves 23, and two ends of the screw 24 are respectively connected with a positioning block 25 and a nut 26;
the polishing mechanism 30 comprises a second rotating assembly 31 arranged at the top end of the bracket 11, the execution end of the second rotating assembly 31 is connected with a fixed block 32, the lower surface of the fixed block 32 is connected with first electric push rods 33 which are symmetrically arranged, and one end of each first electric push rod 33, which is far away from the fixed block 32, is connected with a positioning piece 34;
the first rotating assembly 21 is connected with the second rotating assembly 31 through a linkage assembly 40.
Specifically, referring to fig. 1-2, the first rotating assembly 21 includes a motor 211 disposed on the upper surface of the workbench 10, an output shaft of the motor 211 is connected with a first bevel gear 212, one side of the first bevel gear 212 is meshed with a second bevel gear 213, a first rotating shaft 214 penetrates through the center of the second bevel gear 213, a top end of the first rotating shaft 214 is connected with and supports the rotating frame 22, a bearing seat 215 is disposed at a bottom end of the first rotating shaft 214, and the bearing seat 215 is disposed on the upper surface of the workbench 10;
further, the motor 211 adopts a reciprocating motor; the motor 211 drives the first bevel gear 212 after reciprocating rotation, and the first bevel gear 212 drives the second bevel gear 213 after reciprocating rotation, so as to drive the rotating frame 22 to reciprocate, thereby accelerating polishing efficiency.
Specifically, referring to fig. 3, a fixing frame 12 is connected above the bracket 11, and a second rotating assembly 31 is connected to the bottom end of the fixing frame 12;
the second rotating assembly 31 includes a second rotating shaft 314 connected to the bottom end of the fixed frame 12, and a third bevel gear 313 is connected to the outer surface of the second rotating shaft 314;
further, the bottom end of the fixing frame 12 is connected to the second rotating shaft 314, and supports the second rotating shaft 314 and the third bevel gear 313.
Specifically, referring to fig. 1-6, the first rotating assembly 21 further includes a fourth bevel gear 216 engaged with the second bevel gear 213, and a fourth rotating shaft 217 connected to the fourth bevel gear 216;
the second rotating assembly 31 further includes a fifth bevel gear 312 engaged with the third bevel gear 313, and a fifth rotating shaft 311 coupled to the fifth bevel gear 312;
the linkage assembly 40 comprises a first sprocket 42 arranged at the top end of the fourth rotating shaft 217, and a second sprocket 43 arranged at the top end of the fifth rotating shaft 311, wherein a chain 41 is connected between the first sprocket 42 and the second sprocket 43;
further, after the motor 211 is started, the fourth bevel gear 216 can be driven to reciprocate through the second bevel gear 213, the fourth bevel gear 216 can drive the first sprocket 42 after being rotated reciprocally, so that the chain 41 and the second sprocket 43 can work, and the fifth bevel gear 312 is driven to rotate reciprocally, the fifth bevel gear 312 can drive the third bevel gear 313 after being rotated, and further the polishing mechanism 30 can rotate, and the positioning mechanism 20 and the polishing mechanism 30 can rotate reciprocally simultaneously through the motor 211, and meanwhile, the phenomenon that the conducting wires of the first electric push rod 33 and the second electric push rod 342 are connected in a disordered manner in the polishing process can be prevented, so that the polishing efficiency is accelerated.
Specifically, referring to fig. 4, a central hole 341 is formed in the center of the housing of the positioning member 34, a second electric push rod 342 is connected to a surface of one side of the central hole 341, and an arc grinding disc 343 is connected to a side of the second electric push rod 342 away from the central hole 341;
further, the user controls the screw 24 through the rotation of the nut 26, and further controls the positioning block 25 to fix the device; the device is further close to the positioning piece 34 by adjusting the height through the first electric push rod 33; the second electric push rod 342 can push the arc polishing disc 343 to clamp the device, and the first electric push rod 33 and the second electric push rod 342 are in a stable and fixed state after fixing the device, so that subsequent polishing is facilitated.
The specific operation mode of the utility model is as follows:
the user firstly places the device in the center of the groove 221 on the shell of the rotating frame 22, controls the screw 24 through the adjusting nut 26, further fixes the device through the positioning block 25, and can clamp the device in advance by using the first electric push rod 33 to adjust the height of the positioning piece 34 and then using the second electric push rod 342 and the arc grinding disc 343; after the fixing, the motor 211 is started to drive the first bevel gear 212, and the first bevel gear 212 drives the second bevel gear 213 to rotate after reciprocating rotation, so that the positioning mechanism 20 can perform reciprocating rotation; the second bevel gear 213 rotates to drive the fourth bevel gear 216, the fourth bevel gear 216 rotates to drive the first sprocket 42, so that the chain 41 and the second sprocket 43 work, and the fifth bevel gear 312 is driven to rotate, the fifth bevel gear 312 rotates to drive the third bevel gear 313, so that the polishing mechanism 30 reciprocates, and the polishing mechanism 30 simultaneously and reversely reciprocates through the positioning mechanism 20 and the polishing mechanism 30, so that polishing efficiency is improved.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.
Claims (7)
1. The polishing device for processing the front bushing of the camshaft of the engine comprises a workbench (10), and is characterized in that the upper surface of the workbench (10) is connected with a bracket (11), the inner bottom end of the bracket (11) is provided with a positioning mechanism (20), and the top end of the bracket (11) is provided with a polishing mechanism (30);
the positioning mechanism (20) comprises a first rotating assembly (21) arranged above the workbench (10), the execution end of the first rotating assembly (21) is connected with a rotating frame (22), a groove (221) is formed in the shell of the rotating frame (22), a thread sleeve (23) penetrates through the peripheral side wall of the rotating frame (22), a screw rod (24) penetrates through the shell of the thread sleeve (23), and two ends of the screw rod (24) are respectively connected with a positioning block (25) and a nut (26);
the polishing mechanism (30) comprises a second rotating assembly (31) arranged at the top end of the bracket (11), the execution end of the second rotating assembly (31) is connected with a fixed block (32), the lower surface of the fixed block (32) is connected with first electric push rods (33) which are symmetrically arranged, and one end, far away from the fixed block (32), of each first electric push rod (33) is connected with a positioning piece (34);
the first rotating assembly (21) and the second rotating assembly (31) are connected through a linkage assembly (40).
2. The polishing device for machining a front camshaft bushing of an engine according to claim 1, wherein the first rotating assembly (21) comprises a motor (211) arranged on the upper surface of the workbench (10), an output shaft of the motor (211) is connected with a first bevel gear (212), one side of the first bevel gear (212) is meshed with a second bevel gear (213), a first rotating shaft (214) penetrates through the center of the second bevel gear (213), the top end of the first rotating shaft (214) is connected with and supports a rotating frame (22), a bearing seat (215) is arranged at the bottom end of the first rotating shaft (214), and the bearing seat (215) is arranged on the upper surface of the workbench (10).
3. The polishing device for machining the front bushing of the camshaft of the engine according to claim 1, wherein a fixing frame (12) is connected above the bracket (11), and the bottom end of the fixing frame (12) is connected with a second rotating assembly (31).
4. The polishing device for machining a front camshaft sleeve of an engine according to claim 1, wherein the second rotating assembly (31) comprises a second rotating shaft (314) connected to the bottom end of the fixed frame (12), and a third bevel gear (313) is connected to the outer surface of the second rotating shaft (314).
5. The polishing apparatus for machining a front camshaft sleeve of an engine according to claim 1, wherein the first rotating assembly (21) further includes a fourth bevel gear (216) engaged with the second bevel gear (213), and a fourth rotating shaft (217) connected to the fourth bevel gear (216);
the second rotating assembly (31) further comprises a fifth bevel gear (312) in meshed connection with the third bevel gear (313), and a fifth rotating shaft (311) connected with the fifth bevel gear (312).
6. The polishing device for machining a front bushing of a camshaft of an engine according to claim 5, wherein the linkage assembly (40) includes a first sprocket (42) provided at a tip of a fourth rotation shaft (217), and further includes a second sprocket (43) provided at a tip of a fifth rotation shaft (311), and a chain (41) is connected between the first sprocket (42) and the second sprocket (43).
7. The polishing device for machining the front bushing of the camshaft of the engine of claim 1, wherein a center hole (341) is formed in the center of the shell of the positioning piece (34), a second electric push rod (342) is connected to one side surface of the center hole (341), and an arc polishing disc (343) is connected to one side, far away from the center hole (341), of the second electric push rod (342).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322504800.4U CN220783236U (en) | 2023-09-14 | 2023-09-14 | Polishing device for processing front bushing of cam shaft of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322504800.4U CN220783236U (en) | 2023-09-14 | 2023-09-14 | Polishing device for processing front bushing of cam shaft of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220783236U true CN220783236U (en) | 2024-04-16 |
Family
ID=90656118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322504800.4U Active CN220783236U (en) | 2023-09-14 | 2023-09-14 | Polishing device for processing front bushing of cam shaft of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220783236U (en) |
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2023
- 2023-09-14 CN CN202322504800.4U patent/CN220783236U/en active Active
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