CN210588651U - Polishing belt telescopic follow-up device for polishing crankshaft connecting rod journal - Google Patents
Polishing belt telescopic follow-up device for polishing crankshaft connecting rod journal Download PDFInfo
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- CN210588651U CN210588651U CN201921401304.3U CN201921401304U CN210588651U CN 210588651 U CN210588651 U CN 210588651U CN 201921401304 U CN201921401304 U CN 201921401304U CN 210588651 U CN210588651 U CN 210588651U
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- polishing belt
- roller
- telescopic
- connecting rod
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- 238000005498 polishing Methods 0.000 title claims abstract description 195
- 238000011084 recovery Methods 0.000 claims abstract description 25
- 238000003860 storage Methods 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 27
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 4
- 235000011613 Pinus brutia Nutrition 0.000 claims description 4
- 241000018646 Pinus brutia Species 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 description 10
- 238000004064 recycling Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The utility model provides a polishing belt telescopic follow-up device for polishing crankshaft connecting rod journals, which at least comprises a base and a bracket fixed on the base, wherein a polishing belt storage unit is arranged above the base and comprises a polishing belt storage box; the polishing device main body unit comprises an upper clamping arm rod and a lower clamping arm rod which are connected with an adjustable eccentric synchronizing shaft; the head parts of the upper and lower clamping arm rods are respectively provided with an upper polishing boot and a lower polishing boot; the polishing belt telescopic follow-up unit comprises a telescopic follow-up roller guide groove, a telescopic follow-up roller is arranged in the telescopic follow-up roller guide groove, and the telescopic follow-up roller is connected with a piston rod of a telescopic cylinder; the uppermost polishing belt recovery unit comprises a power device and a polishing belt recovery roller. The utility model discloses the polishing belt of device can be different along with the rotational position of bent axle connecting rod axle journal, and realizes freely receiving and releasing of polishing belt, makes polishing belt elasticity moderate degree, and installs simple structure, convenient to use, and the coarse precision of polishing is stable.
Description
Technical Field
The utility model relates to a flexible servo device of polishing belt of polishing bent axle connecting rod axle journal belongs to machining technical field.
Background
The connecting rod journal of the crankshaft is a connecting part of the crankshaft and the connecting rod, is connected with the main journal through the crank and is used for being assembled with the big end of the connecting rod. However, the eccentric condition exists between the connecting rod journal and the main journal of the crankshaft, when the crankshaft is driven to rotate by clamping the main journal position of the crankshaft, the eccentric crankshaft connecting rod journal rotates around the center of the driving shaft, and the distance between the crankshaft connecting rod journal and the fixed polishing equipment is changed at any time when the crankshaft connecting rod journal rotates, if the common polishing equipment is adopted for polishing, when the distance between the crankshaft connecting rod journal and the polishing equipment is far, the crankshaft connecting rod journal can be broken due to the over-tight polishing belt, and otherwise, when the distance is close, the uniform polishing effect cannot be achieved due to the loose polishing belt. Obviously, the polishing work of the crankshaft connecting rod journal position can not be finished by common polishing equipment, if manual polishing is adopted, the working efficiency is low, the safety of an operator is difficult to guarantee, and the polishing equipment is obviously untimely in people-oriented modern society. Therefore, the invention provides a device capable of freely adjusting the tightness of the polishing belt, and the polishing belt can stretch and retract along with the position of the crankshaft connecting rod journal as the best choice.
Disclosure of Invention
In order to solve the not enough of existence among the prior art, the utility model provides a flexible servo-device of polishing belt of polishing crankshaft connecting rod axle journal, the device polishing belt can be different along with the rotational position of crankshaft connecting rod axle journal, and realizes freely receiving and releasing of polishing belt, makes the polishing belt elasticity moderate degree, and installs simple structure, convenient to use, and the coarse precision of polishing is stable.
In order to achieve the above object, the utility model adopts the following technical scheme:
a polishing belt telescopic follow-up device for polishing a crankshaft connecting rod journal at least comprises a base and a bracket fixed on the base, wherein a polishing belt storage unit is arranged above the base and comprises a polishing belt storage box, and the polishing belt storage box is used for placing a polishing belt coil;
the polishing device main body unit comprises a lower clamping arm rod, the tail part of the lower clamping arm rod is fixed on the upper part of the polishing belt storage box, an upper clamping arm rod is arranged above the lower clamping arm rod, and the upper clamping arm rod and the lower clamping arm rod are connected with the adjustable eccentric synchronizing shaft through a connecting block arranged in the middle; the head parts of the upper and lower clamping arm rods are respectively provided with an upper polishing boot and a lower polishing boot, and the upper apex angle and the lower apex angle of the upper and lower polishing boots are respectively provided with an upper guide device and a lower guide device;
the polishing belt telescopic follow-up unit comprises a telescopic follow-up roller guide groove fixed on a support above the upper clamping arm rod, a telescopic follow-up roller is arranged in the telescopic follow-up roller guide groove, the telescopic follow-up roller is connected with a piston rod of a telescopic cylinder through a telescopic follow-up roller connecting seat, the tail part of the telescopic cylinder is hinged with the support, and the telescopic follow-up roller rolls along the telescopic follow-up roller guide groove;
the polishing belt recovery unit is located at the top of the whole device and comprises a power device fixed on the support, and a polishing belt recovery roller is installed on an output shaft of the power device.
To the utility model discloses technical scheme's further improvement is: the upper edge of the polishing belt storage box is provided with an upper roller and a lower roller, and the upper roller is provided with a spring adjusting mechanism which can adjust the clamping force between the two rollers.
The upper and lower guide devices are upper and lower guide rollers, and an oil spraying mechanism is arranged on the upper polishing boot below the upper guide roller.
Go up arm lock pole tail section fixedly connected with pine and press from both sides the hydro-cylinder, the piston rod and the arm lock pole fixed connection down of pine clamp hydro-cylinder.
The upper and lower polishing belt recovery guide rollers are fixedly mounted on the support between the telescopic follow-up roller guide groove and the polishing belt recovery roller, and a spring adjusting mechanism is arranged on the upper polishing belt recovery guide roller and can adjust the clamping force between the upper and lower polishing belt recovery guide rollers.
The front side and the rear side of the polishing belt recovery roller are respectively provided with a baffle.
And a polishing belt guide groove is formed in the bottom of the support.
The base is provided with a guide mechanism, and the base drives the whole device to move back and forth along the guide mechanism.
An axial moving screw rod is arranged behind the base and connected with an output shaft of an axial moving motor.
The outer side of the polishing shoe of the polishing device main body unit is provided with a transmission device, a transmission shaft of the transmission device is connected with an adjustable drive plate, the adjustable drive plate is used for connecting a crankshaft workpiece to be polished, a synchronizing device is arranged in the transmission device, and an output shaft of the synchronizing device is connected with an adjustable eccentric synchronizing shaft.
According to the technical scheme provided by the utility model, the upper and lower clamping arm rods of the utility model are connected with the adjustable eccentric synchronizing shaft through the connecting block arranged in the middle part, and the eccentric synchronizing shaft can drive the upper and lower clamping arm rods to generate synchronous deviation, so that the position of the polishing belt changes along with the position change of the crankshaft connecting rod journal; the device of the utility model is provided with a plurality of clamping rollers for controlling the tightness of the polishing belt, and an upper roller and a lower roller are arranged on the polishing belt storage box at first, so that the tightness of the drawn polishing belt can be moderate; then the flexible follow-up unit of the polishing belt is provided with a flexible follow-up roller, the flexible follow-up roller is connected with a piston rod of a flexible cylinder, the piston rod of the flexible cylinder is always kept in a contraction state, namely, a tension force is always provided for the polishing belt, when the polishing belt is longer and relaxed, the piston rod of the flexible cylinder contracts to enable the polishing belt to be tightened, when the polishing belt is shorter and tightened, the polishing belt drives the flexible follow-up roller to slide along a flexible follow-up roller groove, the flexible follow-up roller drives the piston rod of the flexible cylinder to extend, and fracture caused by overlarge stress during polishing is avoided; the upper and lower rollers of the polishing belt recycling guide are additionally arranged before the polishing belt recycling roller, the spring adjusting mechanism is arranged on the upper roller of the polishing belt recycling guide, the clamping force between the upper and lower rollers of the polishing belt recycling guide can be adjusted, the polishing belt is in a tightening state, and the recycled polishing belt is tight. The utility model discloses set up oil spout mechanism on polishing boots, both multiplicable polishing precision obtains better polishing effect, can wash away the iron that produces when polishing again and cut, and still can play refrigerated effect. The polishing belt guide devices are arranged at multiple positions of the device, so that the polishing belt can move along a preset track, the deviation of the polishing belt is reduced, and the polishing belt can be recycled. The driving shaft of the transmission device is connected with an adjustable driving plate, and the adjustable eccentric synchronizing shaft and the driving shaft can synchronously run by adjusting the angle of the adjustable driving plate to be consistent with the angle of the adjustable eccentric synchronizing shaft and then adjusting the eccentric distance of the adjustable eccentric synchronizing shaft to be consistent with the eccentric distance of the crankshaft connecting rod shaft neck.
Drawings
Figure 1 is a schematic diagram of a polishing belt according to an embodiment of the present invention running to its longest distance.
Figure 2 is a schematic diagram of the polishing belt according to the embodiment of the present invention when the polishing belt travels to the shortest distance.
Fig. 3 is a schematic front structural diagram of an embodiment of the present invention.
Fig. 4 is a schematic view of a reverse structure of the embodiment of the present invention.
In the figure: 1. a polishing belt storage box, 2, a polishing belt coil, 3, rollers, 4, a polishing belt guide groove, 5, a base, 6, a lower guide roller, 7, a polishing shoe, 8, a crankshaft connecting rod journal, 9, an oil spray nozzle, 10, a connecting seat, 11, an upper guide roller, 12, a polishing belt, 13, a bracket, 14, a telescopic follow-up roller guide groove, 15, a telescopic follow-up roller, 16, a polishing belt recycling guide lower roller, 17, a polishing belt recycling guide upper roller, 18, a polishing belt recycling roller, 19, a baffle, 20, a telescopic cylinder, 21, a loose clamp oil cylinder, 22, a connecting block, 23, an adjustable eccentric synchronizing shaft, 24, an upper clamp arm rod, 25, a lower clamp arm rod, 26, a crankshaft workpiece, 27, an adjustable drive plate, 28, a stepping motor, 29, a transmission gear box, 30, a servo motor, 31, a transmission gear box, 32, an axial movement motor, 33, a synchronous spline shaft, 34. axially moving the lead screw, 35, the guide shaft.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
As shown in fig. 1, 2, 3, and 4, the polishing belt telescopic following device for polishing a crankshaft connecting rod journal provided in this embodiment includes a base 5 and a bracket 13 fixed on the base 5, the bracket 13 is divided into an upper bracket and a lower bracket, a guide mechanism is provided on the base 5, the base 5 can drive the entire device to move back and forth along the guide mechanism, the guide mechanism includes an axial movement lead screw 34 and a guide shaft 35, the axial movement lead screw 34 is connected with an output shaft of an axial movement motor 32, the output shaft of the axial movement motor 32 drives the axial movement lead screw 34 to rotate, and the axial movement lead screw 34 drives the base 5 to move forward integrally through transmission.
A polishing belt storage unit is arranged above the base 5 and comprises a polishing belt storage box 1, and a winding drum of the polishing belt winding 2 is fixedly arranged on a winding shaft in the polishing belt storage box 1; two upper and lower gyro wheels 3 are provided with between two boards of the upper edge of polishing belt case 1, are equipped with spring adjustment mechanism on the upper roller wheel, the clamp force between two gyro wheels 3 of adjustable.
The polishing device main body unit comprises a lower clamping arm rod 25, the tail of the lower clamping arm rod 25 is fixed on the polishing belt storage box 1, an upper clamping arm rod 24 is arranged above the lower clamping arm rod 25, a tail section of the upper clamping arm rod 24 is fixedly connected with a loose clamping oil cylinder 21, and a piston rod of the loose clamping oil cylinder 21 is fixedly connected with the lower clamping arm rod 25. The middle parts of the upper clamping arm rod and the lower clamping arm rod are connected with an adjustable eccentric synchronizing shaft 23 through a connecting block 22, and the upper clamping arm rod and the lower clamping arm rod are driven to generate synchronous deviation with a crankshaft connecting rod journal 8 by rotating the adjustable eccentric synchronizing shaft 23; the head parts of the upper and lower clamping arm rods are respectively provided with an upper polishing shoe 7 and a lower polishing shoe 7, the upper and lower apex angles of the upper and lower polishing shoes 7 are respectively provided with an upper guide roller 11 and a lower guide roller 6, and guide frames are arranged outside the upper and lower guide rollers to prevent the polishing belt 12 from deviating; a polishing belt guide groove 4 in the horizontal direction is arranged at the bottom of the lower bracket; an oil injection mechanism is arranged on the upper polishing shoe 7 below the upper guide roller 11 and comprises an oil injection nozzle 9 and a connecting seat 10, the oil injection nozzle 9 is connected below the upper guide roller 11 of the upper polishing shoe 7 through the connecting seat 10, a nozzle of the oil injection nozzle 9 is downward, and oil is injected; the contact positions of the upper polishing shoe 7 and the lower polishing shoe 7 with the crankshaft connecting rod journal 8 are upper cambered surfaces and lower cambered surfaces;
the polishing belt telescopic follow-up unit comprises a telescopic follow-up roller guide groove 14 fixed on an upper support 13 above an upper clamping arm rod 24, a telescopic follow-up roller 15 is arranged in the telescopic follow-up roller guide groove 14, the telescopic follow-up roller 15 is connected with a piston rod of a telescopic cylinder 20 through a telescopic follow-up roller connecting seat, the tail part of the telescopic cylinder 20 is hinged with the bottom surface of the upper support, and the telescopic follow-up roller 15 can roll along the telescopic follow-up roller guide groove 14;
the polishing belt recovery unit is located at the top of the whole device and comprises a stepping motor 28 fixed on an upper support, a polishing belt recovery roller 18 is installed on an output shaft of the stepping motor 28, and baffles 19 are respectively arranged on the front side and the rear side of the polishing belt recovery roller 18. Fixed mounting has polishing belt to retrieve the direction between two boards of the upper bracket between flexible follow-up gyro wheel guide way 14 and the polishing belt recovery gyro wheel 18, lower gyro wheel 17 and 16, the position that upper bracket board and polishing belt recovery direction upper roller wheel 17 correspond is opened there is waist shape hole, polishing belt recovery direction upper roller wheel 17 can follow this waist shape hole and reciprocate, be equipped with spring adjustment mechanism on the polishing belt recovery direction upper roller wheel 17, adjustable polishing belt recovery direction upper, the clamp force between the lower gyro wheel.
The polishing belt passes through the space between two rollers 3 arranged at the upper edge of the polishing belt storage box 1 after being led out from the polishing belt storage box 1, then passes through the polishing belt guide groove 4, passes through the space between the telescopic follow-up roller 15 and the end part of the piston rod of the telescopic cylinder 20 along the lower guide roller 6 and the upper guide roller 11, then passes through the space between the upper roller and the lower roller after being recycled, and finally is fixed on the polishing belt recycling roller 18.
The outer side of a polishing boot 7 of a main body unit of the polishing device is provided with a transmission device, the transmission device drives a transmission shaft in a transmission gear box 29 to rotate by a servo motor 30, the transmission shaft in the transmission gear box 29 is provided with a synchronous transmission gear, the synchronous transmission gear is fixed with the transmission shaft by a square key, the synchronous transmission gear in the transmission gear box 29 and the synchronous transmission gear in a spline shaft transmission gear box 31 are gears with the same model and the same size, a synchronous spline shaft 33 is assembled with a spline hole in the middle of the synchronous transmission gear in the spline shaft transmission gear box 31, the two gears are connected by a tooth-shaped silent chain, a chain adjusting mechanism in the middle of the chain is tightened, the effect of synchronizing two shafts can be achieved when the servo motor 30 rotates, the synchronous spline shaft 33 is connected with an adjustable, the main shaft of the crankshaft workpiece 26 is arranged at the front end of the adjustable drive plate 27, the angle of the adjustable drive plate 27 device is adjusted to ensure that the angle of the connecting rod journal of the crankshaft is consistent with the angle of the adjustable eccentric synchronizing shaft 23, and the eccentric distance of the adjustable eccentric synchronizing shaft 23 is consistent with the eccentric distance of the connecting rod journal 8 of the crankshaft, so that the function that the upper clamping arm rod and the lower clamping arm rod drive the polishing belt 12 to follow the position change of the connecting rod journal 8 of the crankshaft can be realized.
The working principle of the polishing belt telescopic follow-up device for polishing the crankshaft connecting rod journal of the embodiment is as follows: firstly, the polishing belt coil 2 is put into the polishing belt storage box 1, the polishing belt 12 penetrates out from the upper roller 3 and the lower roller 3 on the edge of the polishing belt storage box 1, passes through the polishing belt guide groove 4, passes through the part between the telescopic follow-up roller 15 and the end part of the piston rod of the telescopic cylinder 20 along the lower guide roller 6 and the upper guide roller 11, then passes through the part between the polishing belt recovery guide upper roller and the lower roller, and is finally fixed on the polishing belt recovery roller 18 and wound for a plurality of circles, so that the polishing belt 12 is fixed firmly. And controlling an air source switch of the telescopic cylinder 20 to enable a piston rod of the telescopic cylinder 20 to contract, and adjusting the size of the pressure regulating valve until the pressure regulating valve is proper. And opening a switch of the loosening and clamping oil cylinder 21 to enable a piston rod of the loosening and clamping oil cylinder 21 to contract to drive the upper polishing shoe 7 and the lower polishing shoe 7 to be opened, adjusting the front and back positions of the base 5 to enable the front and back positions to correspond to the position of the crankshaft connecting rod journal 8 to be polished, closing an air source of the loosening and clamping oil cylinder 21 to enable the piston rod of the loosening and clamping oil cylinder 21 to extend, and clamping the crankshaft connecting rod journal 8 into the arc notch of the polishing shoe 7. The adjustable driving plate 27 is adjusted to enable the angle of the crankshaft connecting rod journal 8 to be consistent with the adjustable eccentric synchronizing shaft 23, the eccentric distance of the adjustable eccentric synchronizing shaft 23 is adjusted to enable the eccentric distance to be consistent with the eccentric distance of the crankshaft connecting rod journal 8, the starting procedure starts polishing, and meanwhile the oil nozzle 9 injects oil to finish polishing.
The utility model discloses a device has simple structure, the characteristics of easy operation, and production efficiency is high, and polishing precision is high, and the polishing belt remains the state of tightening throughout at whole operation in-process, and the polishing belt is more compact after retrieving, is favorable to the reuse of polishing belt.
Claims (10)
1. The utility model provides a flexible servo device of polishing belt of polishing crankshaft connecting rod axle journal, includes the base at least and fixes the support on the base, its characterized in that: a polishing belt storage unit is arranged above the base and comprises a polishing belt storage box, and the polishing belt storage box is used for placing a polishing belt roll;
the polishing device main body unit comprises a lower clamping arm rod, the tail part of the lower clamping arm rod is fixed on the upper part of the polishing belt storage box, an upper clamping arm rod is arranged above the lower clamping arm rod, and the upper clamping arm rod and the lower clamping arm rod are connected with the adjustable eccentric synchronizing shaft through a connecting block arranged in the middle; the head parts of the upper and lower clamping arm rods are respectively provided with an upper polishing boot and a lower polishing boot, and the upper apex angle and the lower apex angle of the upper and lower polishing boots are respectively provided with an upper guide device and a lower guide device;
the polishing belt telescopic follow-up unit comprises a telescopic follow-up roller guide groove fixed on a support above the upper clamping arm rod, a telescopic follow-up roller is arranged in the telescopic follow-up roller guide groove, the telescopic follow-up roller is connected with a piston rod of a telescopic cylinder through a telescopic follow-up roller connecting seat, the tail part of the telescopic cylinder is hinged with the support, and the telescopic follow-up roller rolls along the telescopic follow-up roller guide groove;
the polishing belt recovery unit is located at the top of the whole device and comprises a power device fixed on the support, and a polishing belt recovery roller is installed on an output shaft of the power device.
2. The polishing belt telescopic follower for polishing a crankshaft connecting rod journal as claimed in claim 1, wherein: the upper edge of the polishing belt storage box is provided with an upper roller and a lower roller, and the upper roller is provided with a spring adjusting mechanism.
3. The polishing belt telescopic follower for polishing a crankshaft connecting rod journal as claimed in claim 1, wherein: the upper and lower guide devices are upper and lower guide rollers, and an oil spraying mechanism is arranged on the upper polishing boot below the upper guide roller.
4. The polishing belt telescopic follower for polishing a crankshaft connecting rod journal as claimed in claim 1, wherein: go up arm lock pole tail section fixedly connected with pine and press from both sides the hydro-cylinder, the piston rod and the arm lock pole fixed connection down of pine clamp hydro-cylinder.
5. The polishing belt telescopic follower for polishing a crankshaft connecting rod journal as claimed in claim 1, wherein: and the upper and lower polishing belt recovery guide rollers are fixedly mounted on the support between the telescopic follow-up roller guide groove and the polishing belt recovery roller, and a spring adjusting mechanism is arranged on the upper polishing belt recovery guide roller.
6. The polishing belt telescopic follower for polishing a crankshaft connecting rod journal as claimed in claim 1, wherein: the front side and the rear side of the polishing belt recovery roller are respectively provided with a baffle.
7. The polishing belt telescopic follower for polishing a crankshaft connecting rod journal as claimed in claim 1, wherein: and a polishing belt guide groove is formed in the bottom of the support.
8. The polishing belt telescopic follower for polishing a crankshaft connecting rod journal as claimed in claim 1, wherein: the base is provided with a guide mechanism, and the base drives the whole device to move back and forth along the guide mechanism.
9. The polishing belt telescopic follower for polishing a crankshaft connecting rod journal as claimed in claim 8, wherein: an axial moving screw rod is arranged behind the base and connected with an output shaft of an axial moving motor.
10. The polishing belt telescopic follower for polishing a crankshaft connecting rod journal as claimed in claim 1, wherein: the outer side of the polishing shoe of the polishing device main body unit is provided with a transmission device, a transmission shaft of the transmission device is connected with an adjustable drive plate, the adjustable drive plate is used for connecting a crankshaft workpiece to be polished, a synchronizing device is arranged in the transmission device, and an output shaft of the synchronizing device is connected with an adjustable eccentric synchronizing shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921401304.3U CN210588651U (en) | 2019-08-27 | 2019-08-27 | Polishing belt telescopic follow-up device for polishing crankshaft connecting rod journal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921401304.3U CN210588651U (en) | 2019-08-27 | 2019-08-27 | Polishing belt telescopic follow-up device for polishing crankshaft connecting rod journal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210588651U true CN210588651U (en) | 2020-05-22 |
Family
ID=70716320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921401304.3U Expired - Fee Related CN210588651U (en) | 2019-08-27 | 2019-08-27 | Polishing belt telescopic follow-up device for polishing crankshaft connecting rod journal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210588651U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732893A (en) * | 2021-08-13 | 2021-12-03 | 怀化华晨电子科技有限公司 | Processing device and processing method of nonferrous metal copper material for purification |
| CN114378656A (en) * | 2022-01-12 | 2022-04-22 | 青岛迈特园林机械零部件有限公司 | Crank grinding device and machining method |
| CN114905396A (en) * | 2022-06-09 | 2022-08-16 | 宁德恒义工业技术有限公司 | Polishing treatment device before coating of battery box |
-
2019
- 2019-08-27 CN CN201921401304.3U patent/CN210588651U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113732893A (en) * | 2021-08-13 | 2021-12-03 | 怀化华晨电子科技有限公司 | Processing device and processing method of nonferrous metal copper material for purification |
| CN113732893B (en) * | 2021-08-13 | 2023-12-19 | 怀化华晨电子科技有限公司 | Processing device and processing method for nonferrous metal copper material for purification |
| CN114378656A (en) * | 2022-01-12 | 2022-04-22 | 青岛迈特园林机械零部件有限公司 | Crank grinding device and machining method |
| CN114905396A (en) * | 2022-06-09 | 2022-08-16 | 宁德恒义工业技术有限公司 | Polishing treatment device before coating of battery box |
| CN114905396B (en) * | 2022-06-09 | 2024-02-13 | 宁德恒义工业技术有限公司 | Polishing treatment device before battery box coating |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 |
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| CF01 | Termination of patent right due to non-payment of annual fee |