CN210549401U - Engine timing chain cover screwing machine - Google Patents
Engine timing chain cover screwing machine Download PDFInfo
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- CN210549401U CN210549401U CN201921022435.0U CN201921022435U CN210549401U CN 210549401 U CN210549401 U CN 210549401U CN 201921022435 U CN201921022435 U CN 201921022435U CN 210549401 U CN210549401 U CN 210549401U
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- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims description 24
- 230000000903 blocking effect Effects 0.000 claims description 14
- 230000000670 limiting effect Effects 0.000 claims description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 11
- 238000003754 machining Methods 0.000 claims description 7
- 239000000872 buffer Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- 230000003139 buffering effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses an engine timing chain cover tightening machine, which comprises a workpiece positioning mechanism, a conveying platform, a six-axis manipulator mechanism and an automatic feeding mechanism; the conveying platform is provided with at least one conveying line, and the conveying line is provided with a feeding station, a workpiece screwing station and a discharging station; the conveying platform also comprises a roller conveying device, a workpiece model identification device is also arranged on the workpiece tightening station, and workpiece positioning mechanisms are arranged on two sides of the workpiece tightening station; a six-shaft manipulator mechanism is also arranged on one side of the workpiece tightening station, and a six-shaft manipulator device and a servo tightening part are arranged on the six-shaft manipulator mechanism; the engine timing chain cover screwing machine can realize automatic feeding and discharging operation of the processing workpieces, and can adapt to screwing processing treatment of the processing workpieces of different models; the six-axis mechanical hand mechanism can effectively realize screwing up the processing workpiece, and has wide applicability, low labor cost and high automation degree of the whole equipment.
Description
Technical Field
The utility model relates to an automatic change the processing equipment, especially relate to an engine timing chain lid screwing machine.
Background
On modern automobile engine processing production line, engine timing chain lid installation is a process on the engine assembly line, before not having automation equipment, all lean on the manual screw of going up of workman, manual screwing up, it is low to screw up the fastness, machining efficiency is low, degree of automation is low, the cost of labor is high, some automatic equipment of screwing up at present, only screw up the operation to the engine timing chain lid of single model, bolt raw materials etc. need manual interpolation, automatic business turn over material can not be realized to the processing work piece, the quality of screwing up the structure simultaneously is low, it is big to screw up limitations such as position direction, degree of automation is perfect inadequately.
Disclosure of Invention
An object of the utility model is to provide an engine timing chain lid tightens machine to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an engine timing chain cover screwing machine comprises a workpiece positioning mechanism, a conveying platform, a six-axis manipulator mechanism and an automatic feeding mechanism; the conveying platform is provided with at least one conveying line, and the conveying line is provided with a feeding station, a workpiece screwing station and a discharging station; the conveying platform also comprises a roller conveying device, a material blocking device is arranged at the inlet end of the workpiece screwing station, a material blocking device is also arranged at the outlet end of the workpiece screwing station, a workpiece model identification device is also arranged on the workpiece screwing station, and workpiece positioning mechanisms are arranged on two sides of the workpiece screwing station; a six-shaft manipulator mechanism is also arranged on one side of the workpiece tightening station, and a six-shaft manipulator device and a servo tightening part are arranged on the six-shaft manipulator mechanism; one end of the six-axis manipulator device is connected with a servo tightening part; the servo tightening part is located above a workpiece tightening station, a plurality of automatic feeding mechanisms are arranged on one side of the six-axis manipulator mechanism, each automatic feeding mechanism is provided with a bolt feeding hopper, a vibration disc and a feeding device, the outlet end of each bolt feeding hopper is the inlet end of each vibration disc, and the vibration discs are connected with the feeding devices through feeding hoses.
As a further aspect of the present invention: the workpiece positioning mechanism is provided with a workpiece positioning frame seat, a plurality of horizontal guide rails are arranged on the upper portion of the workpiece positioning frame seat, positioning plates are connected to the plurality of horizontal guide rails in an embedded mode, a cylinder connecting plate is arranged at the lower ends of the positioning plates, a cylinder is mounted in the middle of the workpiece positioning frame seat, one end of the cylinder is connected with the cylinder connecting plate, a positioning seat is arranged at one end of each positioning plate, and clamp head structures are arranged on two sides of.
As a further aspect of the present invention: the servo tightening part is provided with a fixed connection mounting plate, a fixed tightening shaft device and a movable tightening shaft device, the movable tightening shaft device is arranged at one end of the fixed connection mounting plate, and the fixed tightening shaft device is fixedly arranged at the other end of the fixed connection mounting plate; one end of the fixed connection mounting plate is provided with a plurality of linear guide rails, the movable tightening shaft device is provided with a plurality of sliding grooves, and the sliding grooves are in one-to-one corresponding nested connection with the linear guide rails; servo motor and planetary reducer are installed to fixed connection mounting panel one side, and servo motor is being connected to planetary reducer one end, and the lead screw is being connected to the planetary reducer other end, and the lead screw setting is equipped with the bearing link in fixed connection mounting panel middle part department on the removal screws up the axle device, and the bearing link is connected with the lead screw.
As a further aspect of the present invention: and limiting baffles are arranged on two sides of the positioning plate and used for performing reciprocating limit movement on the horizontal guide rail aiming at the positioning plate.
As a further aspect of the present invention: still be equipped with a plurality of buffer on the locating plate, a plurality of buffer install on the round trip extreme of locating plate is spacing for the effort when buffering locating plate is round trip extreme motion reduces collision and wearing and tearing between the structure.
As a further aspect of the present invention: the fixed tightening shaft device and the movable tightening shaft device are both provided with raw material feeding ports.
As a further aspect of the present invention: the utility model discloses equipment is still including the location tray, and the location tray is used for treating the timing chain lid work piece of processing and supports the location.
As a further aspect of the present invention: the positioning tray is also provided with a code carrying body.
The utility model discloses beneficial effect:
the engine timing chain cover screwing machine adopts the raceway conveying device, so that the timing chain cover to be processed is automatically fed and discharged on the conveying platform, and the stop device on the workpiece screwing station is used in a matched manner to perform primary positioning on the timing chain cover to be processed on the conveying platform; the timing chain cover to be processed is prevented from being directly conveyed to a discharging station; the workpiece model identification device is adopted to read the code carrier in the positioning tray, and the engine number, the machine type information and the like are read, so that subsequent processing equipment can be adjusted conveniently to perform corresponding operation on processing workpieces of different models; the workpiece positioning frame seat is used for secondarily positioning the timing chain cover to be machined on the positioning tray through the guide wheel and the positioning pin, so that the stability of machining equipment is improved; the adopted six-shaft mechanical hand device can effectively realize multidirectional and multi-angle processing treatment on the timing chain cover to be processed, the adopted servo tightening part can effectively tighten the timing chain cover to be processed, the processing treatment can be carried out by adjusting the distance between the movable tightening shaft and the fixed tightening shaft, and the adaptability is wide; the adopted automatic feeding mechanism can orderly feed the bolt raw materials into the servo tightening mechanism; the adopted buffer device can effectively reduce the loss caused by collision between the structures, and has the advantages of long service life, wide applicability, low labor cost and high automation degree of the whole equipment.
Drawings
Fig. 1 is a front view of the overall structure of an engine timing chain cover screwing machine according to an embodiment of the present invention.
Fig. 2 is a left side view of the overall structure of the engine timing chain cover screwing machine according to the embodiment of the present invention.
Fig. 3 is a top view of the overall structure of an engine timing chain cover tightening machine according to an embodiment of the present invention.
Fig. 4 is a perspective view of a workpiece positioning structure of an engine timing chain cover tightening machine according to an embodiment of the present invention.
Fig. 5 is a partial structure perspective view of a work positioning structure of an engine timing chain cover tightening machine according to an embodiment of the present invention.
Fig. 6 is a front view of a servo tightening unit of an engine timing chain cover tightening machine according to an embodiment of the present invention.
Fig. 7 is a left side view of a servo tightening member of an engine timing chain cover tightening machine according to an embodiment of the present invention.
Fig. 8 is a plan view of a servo tightening part of an engine timing chain cover tightening machine according to an embodiment of the present invention.
Reference numerals: the automatic feeding device comprises a workpiece positioning mechanism 1, a conveying platform 2, a six-axis manipulator mechanism 3, an automatic feeding mechanism 4, a feeding station 5, a workpiece screwing station 6, a discharging station 7, a roller conveying device 8, a material blocking device 9, a workpiece model identification device 10, a six-axis manipulator mechanism 11, a six-axis manipulator device 12, a servo screwing component 13, a bolt feed hopper 14, a vibration disc 15, a feeding device 16, a workpiece positioning frame seat 17, a horizontal guide rail 18, a positioning plate 19, a cylinder connecting plate 20, a cylinder 21, a positioning seat 22, a clamp head structure 23, a fixed connection mounting plate 24, a fixed screwing shaft device 25, a movable screwing shaft device 26, a linear guide rail 27, a sliding chute 28, a servo motor 29, a planetary reducer 30, a lead screw 31, a limit baffle 32, a buffer device 33 and a positioning tray 34.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Referring to fig. 1-6, an engine timing chain cover tightening machine includes a workpiece positioning mechanism 1, a conveying platform 2, a six-axis robot mechanism 113 and an automatic feeding mechanism 4; the conveying platform 2 is provided with at least one conveying line, and the conveying line is provided with a feeding station 5, a workpiece tightening station 6 and a discharging station 7; the conveying platform 2 further comprises a roller conveying device 8, and the machined workpieces are sequentially conveyed from the feeding station 5, the workpiece screwing station 6 and the discharging station 7 through the roller conveying device 8; the automatic feeding and discharging of the processed workpiece is realized. The utility model discloses equipment is still including location tray 34, and location tray 34 is used for treating the timing chain lid work piece of processing and supports the location. A material blocking device 9 is arranged at the inlet end of the workpiece screwing station 6, and the material blocking device 9 is also arranged at the outlet end of the workpiece screwing station 6; the material blocking device 9 comprises a lifting cylinder 21 and a material blocking block, a plurality of first proximity switches are further arranged below the workpiece screwing station 6, and the first proximity switches arranged at the station are used for detecting whether the machined workpiece enters the workpiece screwing station 6; on the station, a lifting cylinder 21 in a material blocking device 9 at an inlet and an outlet drives a material blocking block to do lifting motion, when a first proximity switch detects that a machined workpiece is located at a workpiece tightening station 6, the lifting cylinder 21 at the inlet and the outlet drives the material blocking block to do lifting motion, the machined workpieces at the feeding station 5 and the workpiece tightening station 6 are positioned for one time respectively, and after machining is finished, the lifting cylinder 21 at the inlet and the outlet drives the material blocking block to do resetting descending motion; the automatic feeding and discharging of the machined workpieces in an orderly manner is realized. A workpiece model identification device 10 is also arranged on the workpiece tightening station 6, and workpiece positioning mechanisms 1 are arranged on two sides of the workpiece tightening station 6; a six-axis manipulator mechanism 113 is further arranged on one side of the workpiece tightening station 6, and a six-axis manipulator device 12 and a servo tightening part 13 are arranged on the six-axis manipulator mechanism 113; one end of the six-axis manipulator device 12 is connected with a servo tightening part 13; the servo tightening unit 13 is located above the workpiece tightening station 6. The six-shaft mechanical arm mechanism 113 is provided with a plurality of automatic feeding mechanisms 4 on one side, each automatic feeding mechanism 4 is provided with a bolt feeding hopper 14, a vibration disc 15 and a feeding device 16, the outlet end of each bolt feeding hopper 14 is the inlet end of the vibration disc 15, the vibration discs 15 and the feeding devices 16 are connected through feeding hoses, and the feeding devices 16 can be nail blowing machines or other thrust pushing structures. The bolt feed hopper 14 is provided with a material pushing mechanism which can prevent material clamping caused by staggered and crossed bolts, processing raw materials such as bolts enter the vibration disc 15 under the driving of the material pushing mechanism in the bolt feed hopper 14, the vibration disc 15 is further provided with a material distribution mechanism and a first proximity switch, the first proximity switch is used for detecting the bolt posture and the bolt length at the discharge end of the vibration disc 15, the bolt posture or the bolt length is incorrect and is removed by the removing end in the material distribution mechanism, and the bolts with correct posture or length are conveyed to the feeding device 16 through the discharge hole in the material distribution mechanism. The types of the raw materials of the bolts of the mechanisms of the automatic feeding mechanisms 4 are different, so that the automatic feeding mechanism is suitable for automatically feeding and processing workpieces of different types.
The workpiece positioning mechanism 1 is provided with a workpiece positioning frame seat 17, a plurality of horizontal guide rails 18 are arranged on the upper portion of the workpiece positioning frame seat 17, positioning plates 19 are connected to the horizontal guide rails 18 in an embedded mode, air cylinders 21 are arranged at the lower ends of the positioning plates 19, air cylinders 21 are arranged in the middle of the workpiece positioning frame seat 17, one ends of the air cylinders 21 are connected with the air cylinders 21, positioning seats 22 are arranged at one ends of the positioning plates 19, clamp head structures 23 are arranged on two sides of each positioning seat 22, and the clamp head structures 23 are provided with side limiting plates, lower limiting. The middle part of the side limiting plate is also provided with a roller, the middle part of the lower limiting plate is provided with a bearing and a shaft sleeve, and the positioning pin is positioned above the lower limiting plate; both sides of the positioning plate 19 are provided with limit baffles 32 for reciprocating limit movement of the positioning plate 19 on the horizontal guide rail 18. The positioning plate 19 is further provided with a plurality of buffering devices 33, and the buffering devices 33 are mounted on the reciprocating motion limit position of the positioning plate 19 and used for buffering acting force of the positioning plate 19 in reciprocating motion limit so as to reduce collision and abrasion among structures. After the material blocking device 9 positions the machined workpiece once at the workpiece tightening station 6, the workpiece positioning mechanisms 1 at two sides of the workpiece tightening station 6 drive the positioning plate 19 to make a propelling movement on the horizontal guide rail 18 under the action of a thrust force of the air cylinder 21 until the positioning seat 22 on the positioning plate 19 is contacted with the machined workpiece, when the clamp head structure 23 is contacted with the machined workpiece, the guide is achieved through the rollers and the bearings, the machined workpiece is limited and secondarily positioned through the side limiting plates in the clamp head structure 23 in the guide introducing positioning area, the lower limiting plate and the positioning pin, the machined workpiece is positioned twice, machining errors or abrasion of the machined workpiece due to infirm positioning are effectively avoided, the stability of the machined workpiece is ensured, and subsequent machining is facilitated.
The servo tightening part 13 is provided with a fixed connection mounting plate 24, a fixed tightening shaft device 25 and a movable tightening shaft device 26, the movable tightening shaft device 26 is arranged at one end of the fixed connection mounting plate 24, and the fixed tightening shaft device 25 is fixedly arranged at the other end of the fixed connection mounting plate 24; one end of the fixed connection mounting plate 24 is provided with a plurality of linear guide rails 27, the movable tightening shaft device 26 is provided with a plurality of sliding grooves 28, and the plurality of sliding grooves 28 and the plurality of linear guide rails 27 are correspondingly nested and connected one by one; a servo motor 29 and a planetary reducer 30 are installed on one side of the fixed connection installation plate 24, one end of the planetary reducer 30 is connected with the servo motor 29, the other end of the planetary reducer 30 is connected with a lead screw 31, the lead screw 31 is arranged in the middle of the fixed connection installation plate 24, a bearing connection end is arranged on the movable tightening shaft device 26, and the bearing connection end is connected with the lead screw 31. The fixed tightening shaft device 25 and the movable tightening shaft device 26 are both provided with a raw material feeding port, the raw material feeding port is a shaft sleeve port of the tightening shaft, and the feeding device 16 in the automatic feeding mechanism 4 sends the bolt raw material to the shaft sleeve port of the tightening shaft, so that the tightening shaft can conveniently perform subsequent tightening processing on a processed workpiece. The automatic feeding mechanism 4 can realize the orderly automatic feeding of the bolt raw materials, and the processing efficiency is improved.
Preferably, in the servo tightening part 13, under the rotation of the servo motor 29 and the planetary reducer 30, the lead screw 31 converts the acting force into the thrust force, and then the movable tightening shaft is driven to move left and right on the linear guide 27 through the slide groove 28, so that the movable tightening shaft can perform the variable pitch motion on the fixed connection mounting plate 24. Limiting plates and buffers are further arranged at the left and right extreme limiting positions on the linear guide rail 27, limiting and buffering effects are achieved on the extreme movement of the linear guide rail, and stability of the movable tightening shaft during variable-pitch movement is guaranteed. The distance between the movable tightening shaft and the fixed tightening shaft is adjusted to adapt to the tightening processing of processing holes at different positions or intervals of a processing workpiece. And the bolt in-place detection devices are arranged on the tightening heads of the fixed tightening shaft and the movable tightening shaft and are used for detecting whether the bolts in the fixed tightening shaft or the movable tightening shaft reach the designated positions or not, and according to the detection result, if the detection structure is absent, the feeding mechanism is controlled to feed materials or give an alarm for the staff to check and repair, and if the detection result is present, the subsequent direct tightening processing on the processing workpiece is facilitated. And when the fixed tightening shaft and the movable tightening shaft move to the processing workpiece, whether the fixed tightening shaft and the movable tightening shaft reach the designated position of the processing workpiece is detected through the plurality of second proximity switches, so that the accuracy of subsequent tightening processing on the processing workpiece by the fixed tightening shaft and the movable tightening shaft is ensured, and the processing quality is improved.
Preferably, in this embodiment, the positioning tray 34 is further provided with a code carrier, the code carrier includes an engine number and model information, the code carrier on the positioning tray 34 can be read by the workpiece model identification device 10 on the workpiece tightening station 6, meanwhile, the positioning plate 19 can be provided with a plurality of third proximity switches for detecting the shape characteristics of each machine-processed workpiece model on the clamp head structure 23, the two types of mode of confirming the models can be interlocked or used separately, after the conditions are met, the apparatus can execute the next machining process, and control the automatic feeding mechanism 4 to feed the bolt raw material required by the corresponding model to the servo tightening part 13. The screwing-up processing operation of the processing workpieces of different machine types can be realized, the practicability is high, and the application range is wide.
In the description of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other; furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
The foregoing is illustrative of the preferred embodiments of the present invention only, and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for variations, and in short, all the variations within the scope of the independent claims of the present invention are within the scope of the present invention.
Claims (8)
1. An engine timing chain cover screwing machine comprises a workpiece positioning mechanism, a conveying platform, a six-axis manipulator mechanism and an automatic feeding mechanism; the method is characterized in that: the conveying platform is provided with at least one conveying line, and the conveying line is provided with a feeding station, a workpiece screwing station and a discharging station; the conveying platform further comprises a roller conveying device, a material blocking device is arranged at the inlet end of the workpiece screwing station, a material blocking device is also arranged at the outlet end of the workpiece screwing station, a workpiece model identification device is further arranged on the workpiece screwing station, and the workpiece positioning mechanisms are arranged on two sides of the workpiece screwing station; the six-axis manipulator mechanism is further arranged on one side of the workpiece tightening station, and a six-axis manipulator device and a servo tightening part are arranged on the six-axis manipulator mechanism; one end of the six-axis manipulator device is connected with the servo tightening part; the servo part of screwing up is located the station top is screwed up to the work piece, six manipulator mechanism one side is equipped with a plurality ofly autoloading mechanism, autoloading mechanism is equipped with bolt feeder hopper, vibration dish and material feeding unit, the exit end of bolt feeder hopper does the entry end of vibration dish, the vibration dish with be connected through the feeding hose between the material feeding unit.
2. The engine timing chain cover tightening machine according to claim 1, characterized in that: the workpiece positioning mechanism is provided with a workpiece positioning frame seat, a plurality of horizontal guide rails are arranged on the upper portion of the workpiece positioning frame seat, a positioning plate is connected to the horizontal guide rails in an embedded mode, a cylinder connecting plate is arranged at the lower end of the positioning plate, a cylinder is arranged in the middle of the workpiece positioning frame seat, one end of the cylinder is connected with the cylinder connecting plate, a positioning seat is arranged at one end of the positioning plate, and clamp head structures are arranged on two sides of the positioning seat.
3. The engine timing chain cover tightening machine according to claim 1, characterized in that: the servo tightening part is provided with a fixed connection mounting plate, a fixed tightening shaft device and a movable tightening shaft device, the movable tightening shaft device is arranged at one end of the fixed connection mounting plate, and the fixed tightening shaft device is fixedly mounted at the other end of the fixed connection mounting plate; one end of the fixed connection mounting plate is provided with a plurality of linear guide rails, the movable tightening shaft device is provided with a plurality of sliding grooves, and the sliding grooves and the linear guide rails are correspondingly nested and connected one by one; servo motor and planetary reducer are installed to fixed connection mounting panel one side, planetary reducer one end is being connected servo motor, the lead screw is being connected to the planetary reducer other end, the lead screw sets up fixed connection mounting panel middle part department, it is equipped with the bearing link on the axle device to remove to tighten, the bearing link with the lead screw is connected.
4. The engine timing chain cover tightening machine according to claim 2, characterized in that: and limiting baffles are arranged on two sides of the positioning plate.
5. The engine timing chain cover tightening machine according to claim 2, characterized in that: and the positioning plate is also provided with a plurality of buffer devices.
6. An engine timing chain cover tightening machine according to claim 3, characterized in that: the fixed screwing shaft device and the movable screwing shaft device are both provided with raw material feeding ports.
7. The engine timing chain cover tightening machine according to claim 1, characterized in that: the machining device further comprises a positioning tray, and the positioning tray is used for supporting and positioning the timing chain cover workpiece to be machined.
8. The engine timing chain cover tightening machine according to claim 7, characterized in that: and a code carrying body is also arranged on the positioning tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022435.0U CN210549401U (en) | 2019-07-03 | 2019-07-03 | Engine timing chain cover screwing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921022435.0U CN210549401U (en) | 2019-07-03 | 2019-07-03 | Engine timing chain cover screwing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210549401U true CN210549401U (en) | 2020-05-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921022435.0U Expired - Fee Related CN210549401U (en) | 2019-07-03 | 2019-07-03 | Engine timing chain cover screwing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210549401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216460A (en) * | 2019-07-03 | 2019-09-10 | 广州珀锐赛斯智能装备有限公司 | A kind of engine timing chain cover tightening machine |
-
2019
- 2019-07-03 CN CN201921022435.0U patent/CN210549401U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110216460A (en) * | 2019-07-03 | 2019-09-10 | 广州珀锐赛斯智能装备有限公司 | A kind of engine timing chain cover tightening machine |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200519 |
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| CF01 | Termination of patent right due to non-payment of annual fee |