CN215174049U - Grease injection mechanism for hub assembly - Google Patents
Grease injection mechanism for hub assembly Download PDFInfo
- Publication number
- CN215174049U CN215174049U CN202120130502.1U CN202120130502U CN215174049U CN 215174049 U CN215174049 U CN 215174049U CN 202120130502 U CN202120130502 U CN 202120130502U CN 215174049 U CN215174049 U CN 215174049U
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- grease injection
- hub assembly
- positioning device
- tool head
- grease
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- 239000004519 grease Substances 0.000 title claims abstract description 134
- 238000002347 injection Methods 0.000 title claims abstract description 122
- 239000007924 injection Substances 0.000 title claims abstract description 122
- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 238000006073 displacement reaction Methods 0.000 claims description 17
- 230000000694 effects Effects 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 238000011002 quantification Methods 0.000 abstract description 3
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model discloses a hub assembly grease injection mechanism, which comprises a grease injection machine and a workbench, wherein the grease injection machine comprises a grease injection pipeline and a grease injection tool head, a grease injection quantity control device is arranged on the grease injection pipeline, and the grease injection tool head comprises a first grease injection tool head and a second grease injection tool head; the workbench is provided with a hub assembly pre-positioning device, an upper positioning device for positioning the first bearing and a lower positioning device for positioning the second bearing, the upper positioning device and the lower positioning device are correspondingly arranged, the upper positioning device is connected with the first grease injection tool head, and the lower positioning device is connected with the second grease injection tool head. The hub assembly grease injection mechanism has the advantages that the quantification is accurate, the grease injection precision can be controlled to be +/-0.5 g, the grease injection efficiency is high, and the efficiency is improved by more than 1 time compared with that of a common grease injection mode; the performance is stable, and continuous uninterrupted operation can be realized; the automation degree is high, frequent actions of personnel are not needed, and the labor intensity of workers is greatly reduced; the external influence factors are small, the influence of human environmental factors can be eliminated, and the expected grease injection effect is achieved.
Description
Technical Field
The utility model relates to a wheel hub assembly technical field, concretely relates to fat mechanism is annotated to wheel hub assembly.
Background
At present, the axle hub assembly of the commercial vehicle can be divided into oil lubrication and grease lubrication according to a lubricating medium, a proper amount of lubricating grease needs to be injected during assembly, most manufacturers inject the grease, a common pneumatic injection pump is selected for injecting the grease into the bearing, then the bearing is assembled, the grease injection amount is not controlled, quality risks exist, a mode of injecting the grease into a single bearing is adopted, and the grease injection efficiency is low.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough of above-mentioned prior art, the utility model aims to solve the technical problem that a grease mechanism is annotated to hub assembly is provided, annotates fat quality and efficiency in the improvement.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a fat mechanism is annotated to wheel hub assembly, is including annotating fat machine and workstation, and its special characterized in that:
the grease injection machine comprises a grease injection pipeline and a grease injection tool head, wherein a grease injection quantity control device is arranged on the grease injection pipeline, and the grease injection tool head comprises a first grease injection tool head and a second grease injection tool head;
the automatic grease injection machine is characterized in that a hub assembly pre-positioning device, an upper positioning device for positioning a first bearing and a lower positioning device for positioning a second bearing are arranged on the workbench, the upper positioning device and the lower positioning device are correspondingly arranged, the upper positioning device is connected with the first grease injection tool head, and the lower positioning device is connected with the second grease injection tool head.
Preferably, go up positioner including last air cylinder and the last locating head that is used for fixing a position first bearing, first notes fat instrument head fixed connection in go up the locating head outside, positioner is including holding in the palm the cylinder down and being used for bearing the lower locating head of second bearing down, fat instrument head fixed connection is annotated to the second location head outside down.
Preferably, a pushing device for pushing the hub to rotate is connected to the workbench, and the pushing device is located on one side of the upper positioning device.
Preferably, the pushing device comprises a transverse displacement device and a motor connected with the transverse displacement device, and a vertical output shaft of the motor is fixedly connected with a friction wheel.
Preferably, the lateral displacement means is arranged to laterally urge the cylinder.
Preferably, the lateral displacement device is provided as a motor screw.
Preferably, the hub assembly grease injection mechanism comprises a PLC control system, the grease injection amount control device comprises a gear flow meter, and the PLC control system controls the grease injection machine and the gear flow meter.
Preferably, the grease injection tool head is provided with a plurality of grease injection holes.
Preferably, the hub assembly pre-positioning device is arranged as a positioning groove.
After the technical scheme is adopted, the beneficial effects of the utility model are that:
the grease injection pipeline of the hub assembly grease injection mechanism of the utility model is provided with a grease injection amount control device, and the grease injection tool head comprises a first grease injection tool head and a second grease injection tool head; go up positioner and lower positioner and correspond the setting, go up positioner and connect first notes fat instrument head, lower positioner connects the second and annotates fat instrument head. Placing the hub assembly on a pre-positioning device on a grease injection mechanism; starting a hub assembly grease injection mechanism, lifting the lower positioning device by the lower support air cylinder, and simultaneously extending a second grease injection tool head into the hub assembly to support the second bearing and lift the hub assembly; the upper pressure cylinder drives the upper positioning head to move downwards, and simultaneously drives the first grease injection tool head to extend into the first bearing of the hub, so that preparation before grease injection is completed. The transverse displacement device moves the motor and the friction wheel to be close to the hub assembly, the motor moves downwards and drives the friction wheel to rotate, the friction wheel is close to and contacts with a flange plate of the hub assembly, and the hub is driven to rotate relative to the inner bearing through friction; a pneumatic grease injection pump of the grease injection machine starts to work, and grease injection parameters and a gear flowmeter are preset through a PLC (programmable logic controller) to monitor the grease injection amount.
The hub assembly grease injection mechanism of the utility model has the advantages of accurate quantification, controllable grease injection precision within plus or minus 0.5g, high grease injection efficiency which is improved by more than 1 time compared with the common grease injection mode; the performance is stable, and continuous uninterrupted operation can be realized; the automation degree is high, frequent actions of personnel are not needed, and the labor intensity of workers is greatly reduced; the external influence factors are small, the influence of human environmental factors can be eliminated, and the expected grease injection effect is achieved.
Drawings
FIG. 1 is a schematic structural view of a hub unit of the present invention placed on a hub assembly grease injection mechanism;
FIG. 2 is a schematic view of the grease tool head of FIG. 1 shown extended into the hub assembly;
in the figure: 1-grease injection machine, 11-grease injection pipeline, 12-grease injection tool head, 121-first grease injection tool head, 122-second grease injection tool head, 2-workbench, 21-upper positioning device, 211-upper pressure cylinder, 212-upper positioning head, 22-lower positioning device, 221-lower support cylinder, 222-lower positioning head, 3-hub assembly, 31-hub, 32-pushing device, 321-transverse displacement device, 322-motor, 4-friction wheel, 5-gear flowmeter, 1210-first grease injection hole, 1220-second grease injection hole, 51-first bearing and 52-second bearing.
Detailed Description
The invention is explained in more detail below with reference to the drawings and exemplary embodiments:
as shown in fig. 1 and 2, the hub assembly grease injection mechanism includes a grease injection machine 1 and a workbench 2, the grease injection machine 1 includes a grease injection pipeline 11 and a grease injection tool head 12, the grease injection pipeline 11 is provided with a grease injection amount control device, and the grease injection tool head 12 includes a first grease injection tool head 121 and a second grease injection tool head 122;
a hub assembly pre-positioning device, an upper positioning device 21 for positioning a first bearing and a lower positioning device 22 for positioning a second bearing are arranged on the workbench 2, the upper positioning device 21 and the lower positioning device 22 are correspondingly arranged, the upper positioning device is connected with a first grease injection tool head 121, and the lower positioning device 22 is connected with a second grease injection tool head 122.
The hub assembly pre-positioning device is arranged as a positioning groove. The hub assembly pre-positioning device is mainly used for positioning the hub assembly at the position, so that the bearing of the hub assembly is conveniently aligned with the upper positioning device 21 and the lower positioning device 22, and the positioning is convenient.
The upper positioning device 21 comprises an upper air pressing cylinder 211 and an upper positioning head 212 used for positioning a first bearing, the first grease injecting tool head 121 is fixedly connected to the outer side of the upper positioning head 212, the lower positioning device 22 comprises a lower supporting air cylinder 221 and a lower positioning head 222 used for supporting a second bearing, and the second grease injecting tool head 122 is fixedly connected to the outer side of the lower positioning head 222.
The worktable 2 is connected with a pushing device 32 for pushing the hub 31 to rotate, and the pushing device 32 is positioned at one side of the upper positioning device 21.
The pushing device 32 comprises a transverse displacement device 321 and a motor 322 connected with the transverse displacement device 321, and a vertical output shaft of the motor is fixedly connected with a friction wheel 4. When a wheel hub is prepared to be placed on a workbench, the motor 322 and the friction wheel 4 are moved away from a wheel hub assembly pre-positioning device on the workbench by the transverse displacement device 321 to avoid interference, so that the wheel hub assembly 3 is convenient to place, after the wheel hub assembly is placed, the motor 322 and the friction wheel 4 are pushed by the transverse displacement device 321 to be close to the wheel hub assembly 3, and therefore after the first bearing 51 and the second bearing 52 are fixed up and down by the upper positioning head 212 and the lower positioning head 222, the wheel hub can be dialed by the rotation of the friction wheel 4 driven by the motor 322.
The lateral displacement device 321 is preferably arranged to push the cylinder laterally. The lateral displacement device 321 may also be provided as a motor screw.
The hub assembly grease injection mechanism comprises a PLC control system, the grease injection amount control device comprises a gear flowmeter 5, and the PLC control system controls the grease injection machine 1 and the gear flowmeter 5.
As shown in fig. 2, the grease injection tool head 12 is provided with a plurality of grease injection holes. Namely, the first grease injecting tool head 121 is provided with a plurality of first grease injecting holes 1210 uniformly distributed along the circumferential direction, and the second grease injecting tool head 122 is provided with a plurality of second grease injecting holes 1220 uniformly distributed along the circumferential direction.
The utility model discloses a fat mechanism is annotated to wheel hub assembly's working process as follows:
1. after the bearing of the hub assembly is assembled, the hub assembly is placed on a pre-positioning device on the grease injection mechanism;
2. starting a hub assembly grease injection mechanism, lifting the lower positioning device 22 by the lower supporting air cylinder 221, and simultaneously extending the second grease injection tool head 122 into the hub assembly to support the second bearing 52 and lift the hub assembly;
3. the upper air cylinder 211 moves downwards to drive the upper positioning head 212 to move downwards, and simultaneously drives the first grease injection tool head 121 to extend into the hub first bearing 51, so that preparation before grease injection is completed.
4. The transverse displacement device 321 moves the motor 322 and the friction wheel 4 to be close to the hub assembly, the motor 322 moves downwards and drives the friction wheel 4 to rotate, the friction wheel 4 is close to and contacts with a flange plate of the hub assembly, and the hub is driven to rotate relative to the inner bearing through friction;
5. the pneumatic grease injection pump of the grease injection machine starts to work, and grease injection parameters and the gear flowmeter 5 are preset through the PLC to monitor the grease injection amount.
6. After the grease injection is completed, the upper pressure cylinder 211 and the lower support cylinder 221 return to the initial position.
The hub assembly grease injection mechanism of the utility model has the advantages of accurate quantification, controllable grease injection precision within plus or minus 0.5g, high grease injection efficiency which is improved by more than 1 time compared with the common grease injection mode; the performance is stable, and continuous uninterrupted operation can be realized; the automation degree is high, the operation is convenient, frequent actions of personnel are not needed, and the labor intensity of workers is greatly reduced; the external influence factors are small, the influence of human environmental factors can be eliminated, and the expected grease injection effect is achieved.
The present invention is not limited to the above embodiments, and it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the present invention as defined by the appended claims.
Claims (9)
1. The utility model provides a fat mechanism is annotated to wheel hub assembly, is including annotating fat machine and workstation, its characterized in that:
the grease injection machine comprises a grease injection pipeline and a grease injection tool head, wherein a grease injection quantity control device is arranged on the grease injection pipeline, and the grease injection tool head comprises a first grease injection tool head and a second grease injection tool head;
the automatic grease injection machine is characterized in that a hub assembly pre-positioning device, an upper positioning device for positioning a first bearing and a lower positioning device for positioning a second bearing are arranged on the workbench, the upper positioning device and the lower positioning device are correspondingly arranged, the upper positioning device is connected with the first grease injection tool head, and the lower positioning device is connected with the second grease injection tool head.
2. The hub assembly grease injection mechanism of claim 1, wherein: go up positioner and include last air cylinder and the last location head that is used for fixing a position first bearing, first notes fat instrument head fixed connection be in go up the location head outside, positioner is including holding in the palm the cylinder down and being used for the lower location head of bearing second bearing down, fat instrument head fixed connection is annotated to the second location head outside down.
3. The hub assembly grease injection mechanism of claim 1, wherein: the workbench is connected with a pushing device for pushing the hub to rotate, and the pushing device is positioned on one side of the upper positioning device.
4. The hub assembly grease injection mechanism of claim 3 wherein: the pushing device comprises a transverse displacement device and a motor connected with the transverse displacement device, and a vertical output shaft of the motor is fixedly connected with a friction wheel.
5. The hub assembly grease injection mechanism of claim 4 wherein: the transverse displacement device is arranged as a transverse pushing cylinder.
6. The hub assembly grease injection mechanism of claim 4 wherein: the transverse displacement device is set as a motor lead screw.
7. The hub assembly grease injection mechanism of claim 1, wherein: the hub assembly grease injection mechanism comprises a PLC control system, the grease injection amount control device comprises a gear flowmeter, and the PLC control system controls the grease injection machine and the gear flowmeter.
8. The hub assembly grease injection mechanism of claim 1, wherein: the grease injection tool head is provided with a plurality of grease injection holes.
9. The hub assembly grease injection mechanism of claim 1, wherein: the hub assembly pre-positioning device is arranged as a positioning groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120130502.1U CN215174049U (en) | 2021-01-18 | 2021-01-18 | Grease injection mechanism for hub assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120130502.1U CN215174049U (en) | 2021-01-18 | 2021-01-18 | Grease injection mechanism for hub assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215174049U true CN215174049U (en) | 2021-12-14 |
Family
ID=79406405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120130502.1U Active CN215174049U (en) | 2021-01-18 | 2021-01-18 | Grease injection mechanism for hub assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215174049U (en) |
-
2021
- 2021-01-18 CN CN202120130502.1U patent/CN215174049U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 261307 south head of Weizi Town, Changyi City, Weifang City, Shandong Province Patentee after: Shandong Haoxin Machinery Co.,Ltd. Country or region after: China Address before: 261307 Hao Xin Industrial Park, Weizi Town, Changyi City, Weifang, Shandong Patentee before: SHANDONG HAOXIN MACHINERY Co.,Ltd. Country or region before: China |