CN113857803B - Automatic car lamp assembly production line - Google Patents
Automatic car lamp assembly production line Download PDFInfo
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- CN113857803B CN113857803B CN202111119806.9A CN202111119806A CN113857803B CN 113857803 B CN113857803 B CN 113857803B CN 202111119806 A CN202111119806 A CN 202111119806A CN 113857803 B CN113857803 B CN 113857803B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/002—Article feeders for assembling machines orientating the articles
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- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
The invention discloses an automatic car lamp assembling production line which comprises a workbench, a manipulator, guide rails, a rail car and a feeding machine, wherein the workbench is connected with the feeding machine, the guide rails penetrate through the workbench, the rail car can travel along the guide rails and is provided with positioning holes, a locator matched with the positioning holes is arranged on the rail car, a clamping mechanism is arranged on the rail car, the clamping mechanism on the rail car comprises a fixed pressing plate and a sliding pressing plate, and a plurality of nested half-moon-shaped sliding blocks are arranged on the inner sides of the fixed pressing plate and the sliding pressing plate. According to the invention, the guide rail can be arranged according to the position of the workbench, the field resource can be fully utilized, the low coupling between the rail car and the production line can be realized, the flexible switching between man and machine can be realized, the pretightening force of the clamping mechanism can be automatically adjusted, and the chuck can be adaptively adjusted for the opposite workpiece, so that the workpiece clamping efficiency and the clamping stability are effectively improved.
Description
Technical Field
The invention relates to a machine for assembling a plurality of different parts into a combined unit, in particular to an automatic assembly production line of a car lamp.
Background
The assembly production of car lights generally adopts the production mode of assembly line, and its technological process is long, the process content is loaded down with trivial details, including pre-installation, correction, final installation and four main links of detection, and most links are accomplished the operation with the manipulator, and part links need manual work cooperation.
The four links are highly coupled on equipment and a space field, and the universality is poor. The method can not be used for targeted layout according to the specific situation of the field, so that the utilization rate of the field is improved. In addition, flexible switching of the manipulator and the manual work is difficult.
On the production line, the clamp is a foundation, but the adaptability of the traditional car lamp clamp is not strong, and the lamp holder of the car with multiple numbers, especially the special-shaped lamp holder, is difficult to be firm. The pretightening force after clamping by the clamp is also a key index, and the pretightening force is too low to easily cause the falling of a workpiece in a working flow; if the preload is too high, the workpiece may be damaged.
Disclosure of Invention
The invention aims to provide an automatic assembly production line for car lamps. The problem of the commonality is poor, anchor clamps are insecure to opposite sex lamp stand work piece centre gripping is solved.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an automatic assembly production line of car light, includes workstation, manipulator, guide rail, railcar and material loading machine, and the material loading machine is connected to the workstation, the guide rail runs through each workstation, the railcar can follow the guide rail and march to be provided with the locating hole on the guide rail, be provided with on the railcar with locating hole complex locator, be provided with fixture on the railcar.
When the guide rail is actually constructed and installed, the guide rail is arranged according to the position of the workbench, so that the site resources can be fully utilized. The pre-installed car lamp seat is placed into the clamping mechanism of the railway car through the manipulator or manually, the car lamp seat is used as an assembly foundation to follow the railway car to enter each process, the railway car can automatically drive to advance, and after reaching a specified workbench, the locator on the railway car can be matched with the locating hole on the guide rail to play a role in braking and locating. After the rail car is positioned, the corresponding actions such as assembly and detection are completed by using the manipulator, and when the manipulator fails, a manual station is added on the rail in a mode of lengthening the guide rail to replace the manipulator to complete the corresponding actions. The man-machine combination mode is more flexible.
Further, the travel, braking and positioning of the railcars are fundamental functions of the railcars.
The upper end of the guide rail is a diamond-shaped rail head, a positioning hole is formed in the diamond-shaped rail head, a rail supporting plate used for fixing is arranged at the lower end of the diamond-shaped rail head, a groove-shaped driving wheel and an auxiliary wheel are arranged below a bottom fixing plate of the rail car, the driving wheel is connected with a travelling driving motor, the positioner comprises a positioning pin, a pull rod, a pressure spring and a triggering mechanism, the lower end of the positioning pin is conical, the position of the positioning pin corresponds to the positioning hole of the guide rail, the positioning pin is connected with the pull rod, the pressure spring is sleeved on the pull rod, the positioning pin moves linearly, a roller is arranged at the tail end of the pull rod, a wedge-shaped sliding block with the moving direction perpendicular to the pull rod is arranged at the roller, and the wedge-shaped sliding block is connected with the linear motor.
The driving wheel and the auxiliary wheel are clamped on the diamond-shaped track head of the guide rail, and the driving wheel can realize advancing, retreating and braking under the drive of the advancing driving motor. But the braking of the driving wheel is simply relied on and is unstable, and the positioning accuracy cannot be guaranteed, so that an independent positioner is needed, the linear motor drives the wedge-shaped sliding block to horizontally move, so that the roller can be lifted or lowered, the roller and the pull rod control the positioning pin to move up and down, when the driving process is carried out, the positioning pin is separated from the positioning hole, and when the driving is stopped and positioned, the wedge-shaped sliding block lowers the roller, and the positioning pin is inserted into the positioning hole under the action of the pressure spring. Because the locating pin is of an inverted cone shape, the locating pin is automatically aligned and locked and positioned in the process of being inserted into the locating hole.
The pretightening force of the clamping mechanism on the railway car is controlled within a certain range, and the excessive pretightening force can damage the clamping piece and is too small to loosen easily, so that the following pretightening force automatic adjusting device is designed.
The clamping mechanism on the railcar comprises a fixed pressing plate, a sliding pressing plate and a support, a guide rod is arranged between the support and the fixed pressing plate, a first sliding block and a second sliding block are arranged on the guide rod, the second sliding block is fixedly connected with the sliding pressing plate, the first sliding block and the second sliding block are sleeved on the guide rod, the first sliding block is elastically connected with the second sliding block, a limit switch is arranged between the first sliding block and the second sliding block, a screw nut is arranged on the first sliding block, a screw rod is arranged between the two guide rods, the screw rod is matched with the screw nut, and a clamping driving motor is arranged at the end part of the screw rod.
The working principle of the pretightening force automatic adjusting device is as follows: the clamping driving motor drives the screw rod to rotate, the first sliding block moves away from the fixed pressing plate under the action of the screw nut, the first sliding block pulls the second sliding block through the spring, and the second sliding block drives the sliding pressing plate to move, so that a gap between the fixed pressing plate and the sliding pressing plate is enlarged; after the workpiece is fed between the fixed pressing plate and the sliding pressing plate, the clamping driving motor reverses to drive the screw rod to rotate in the opposite direction, the first sliding block moves towards the direction close to the fixed pressing plate under the action of the screw nut, the first sliding block presses the second sliding block through the spring, the second sliding block drives the sliding pressing plate to move, the gap between the fixed pressing plate and the sliding pressing plate is reduced until the gap between the pressing plate and the workpiece is eliminated, the clamping driving motor continues to reverse, the first sliding block further moves towards the direction close to the fixed pressing plate, but the sliding pressing plate is propped against the workpiece and does not move any more at the moment, so that the spring is compressed until the limit switch is triggered, and the clamping driving motor brakes. The clamping pretightening force comes from the spring, and constant pretightening force can be obtained through design. The constant pretightening force is obtained by the mode, and the device is convenient, quick, stable and reliable.
Further, in order to improve the universality of the clamp, the clamp is suitable for workpieces with different models and different shapes. The splint is designed to be self-adaptively adjustable in construction.
The inner sides of the fixed pressing plate and the sliding pressing plate are provided with a plurality of nested half-moon-shaped sliding blocks.
When the special-shaped workpiece is clamped, after points on the special-shaped workpiece are contacted with the contacts of the half-moon-shaped sliding block, acting forces of the contacts are different, so that the half-moon-shaped sliding block can twist and rotate until the stress is balanced. And automatically adjusting the positions of the contacts to finally achieve the contact of the multiple contacts with the clamping workpiece.
The invention has the beneficial effects that:
1. the guide rails can be arranged according to the position of the workbench, so that the site resources can be fully utilized. 2. The rail car is coupled with the production line in a low mode, and man-machine flexible switching can be achieved. 3. The pretightening force of the clamping mechanism can be automatically adjusted. 4. The chuck can be adjusted in a self-adaptive manner aiming at the opposite workpiece, so that the workpiece clamping efficiency and the clamping stability are effectively improved.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic structural view of an automatic assembly line for vehicle lamps according to the present invention.
Fig. 2 is a schematic structural view of a grip portion driving control portion of a railway car according to the present invention.
Fig. 3 is a schematic structural view of a clamping portion adaptive chuck portion of a railway car according to the present invention.
Fig. 4 is a diagram showing the effect of the chuck of fig. 3 in gripping a profile according to the present invention.
FIG. 5 is a schematic diagram of a track car travel and positioning mechanism according to the present invention.
Fig. 6 is an electrical control schematic of a railcar.
In the figure: 1-a guide rail; 2-a rail car; 3-a manipulator; 4-a feeding machine; 101-diamond track heads; 102, positioning holes; 103-a track support plate; 201-a bracket; 202—a guide bar; 203-a first slider; 204-sleeve; 205-a nut; 206-a screw rod; 207—clamping drive motor; 208-a second slider; 209-a spring; 210—a sliding platen; 211-a fixed platen; 212-limit switch; 213-bottom fixing plate; 214-a drive wheel; 215—a travel drive motor; 216—auxiliary wheels; 217-locating pins; 218-tie rod; 219-a compression spring; 220-a roller; 221-wedge-shaped slider; 222—a linear motor; 223-first half-moon shaped slide; 224-second half moon shaped slide block; 225-third half-moon shaped slide block; 226-fourth half moon shaped slide block; 227-fifth half-moon shaped slide block; 228-sixth half-moon shaped slide block; 229-seventh half moon shaped slide block; 230-eighth half moon shaped slide block.
Detailed Description
As shown in fig. 1, an automatic car lamp assembling production line comprises a workbench, a guide rail 1, a track car 2, a manipulator 3 and a feeding machine 4, wherein the guide rail 1 penetrates through each workbench, the workbench is connected with the feeding machine 4, the track car 2 can travel along the guide rail 1 and is provided with a positioning hole, the track car 2 is provided with a positioner matched with the positioning hole, and a clamping mechanism is arranged on the track car 2.
In actual construction and installation, the guide rail 1 is arranged according to the position of the workbench, so that the site resources can be fully utilized. The pre-installed car lamp seat is placed into the clamping mechanism of the track car 2 through the manipulator or manually, the car lamp seat is used as an assembly foundation to follow the track car to enter each process, the track car 2 can automatically drive to advance, and after reaching a specified workbench, the locator on the track car can be matched with the locating hole on the guide rail to play a role in braking and locating. After the rail car 2 is positioned, the corresponding actions such as assembly and detection are completed by using the manipulator, and when the manipulator fails, a manual station is added on the rail in a mode of lengthening the guide rail 1 to replace the manipulator to complete the corresponding actions. The man-machine combination mode is more flexible.
The clamping mechanism on the railway car 2 comprises a fixed pressing plate 211, a sliding pressing plate 210 and a bracket 201, the fixed pressing plate 211 and the sliding pressing plate 210 form a clamp, but the pretightening force between the fixed pressing plate and the sliding pressing plate should be controlled within a certain range, the excessive pretightening force can damage the clamping piece, the pretightening force is too small and is easy to loosen, so the following pretightening force automatic adjusting device is designed.
A guide rod 202 is arranged between the support 201 and the fixed pressing plate 211, a first sliding block 203 and a second sliding block 208 are arranged on the guide rod 202, the second sliding block 208 is fixedly connected with the sliding pressing plate 210, the first sliding block 203 and the second sliding block 208 are sleeved on the guide rod 202, a spring is arranged between the first sliding block 203 and the second sliding block 208 and is elastically connected with the first sliding block 203 and the second sliding block, a limit switch 212 is arranged between the first sliding block and the second sliding block, a screw 205 is arranged on the first sliding block 203, a screw rod 206 is arranged between the two guide rods 202, the screw rod 206 is matched with the screw 205, and a clamping driving motor 207 is arranged at the end part of the screw rod 206 and used for driving the screw rod 206 to rotate.
A sleeve 204 is arranged between the first slider 203, the second slider 208 and the guide bar 202, said sleeve 204 may also be a linear bearing.
The working principle of the pretightening force automatic adjusting device is as follows: the clamping driving motor 207 rotates positively to drive the screw rod 206 to rotate, the first sliding block 203 moves away from the fixed pressing plate 211 under the action of the screw 205, the first sliding block 203 pulls the second sliding block 208 through the spring 209, and the second sliding block 208 drives the sliding pressing plate 210 to move, so that the gap between the fixed pressing plate 211 and the sliding pressing plate 210 is enlarged; when the workpiece is fed between the fixed pressing plate 211 and the sliding pressing plate 210, the clamping driving motor 207 reverses to drive the screw rod 206 to rotate in the opposite direction, the first sliding block 203 moves towards the direction close to the fixed pressing plate 211 under the action of the screw nut 205, the first sliding block 203 presses the second sliding block 208 through the spring 209, the second sliding block 208 drives the sliding pressing plate 210 to move, so that the gap between the fixed pressing plate 211 and the sliding pressing plate 210 is reduced until the gap between the pressing plate and the workpiece is eliminated, the clamping driving motor 207 continues to reverse, the first sliding block 203 moves towards the direction close to the fixed pressing plate 211, but at the moment, the sliding pressing plate 210 is not moved against the workpiece, so that the spring 209 is compressed until the limit switch 212 is triggered, and the clamping driving motor 207 brakes. The clamping pre-tightening force comes from the spring 209, and a constant pre-tightening force can be obtained through design.
The constant pretightening force is obtained by the mode, and the device is convenient, quick, stable and reliable.
Further, in order to improve the universality of the clamp, the clamp is suitable for workpieces with different models and different shapes. The splint is designed to be self-adaptively adjustable in construction.
As shown in fig. 3, a first arc groove is formed inside the fixed pressing plate 211, a first half-moon shaped sliding block 223 is arranged in the first arc groove, an outer circle of the first half-moon shaped sliding block 223 is attached to the first arc groove, two second arc grooves are formed inside the first half-moon shaped sliding block 223, a second half-moon shaped sliding block 224 is arranged in each second arc groove, an outer circle of the second half-moon shaped sliding block 224 is attached to the second arc groove, two third arc grooves are formed inside the second half-moon shaped sliding block 224, a third half-moon shaped sliding block 225 is arranged in each third arc groove, an outer circle of the third half-moon shaped sliding block 225 is attached to the third arc groove, two fourth arc grooves are formed inside the third half-moon shaped sliding block 225, a fourth half-moon shaped sliding block 226 is arranged in each fourth arc groove, and an outer circle of the fourth half-moon shaped sliding block 226 is attached to the fourth arc groove; the inner side of the sliding pressing plate 210 is provided with a fifth arc-shaped groove, a fifth half-moon-shaped sliding block 227 is arranged in the fifth arc-shaped groove, the outer circle of the fifth half-moon-shaped sliding block 227 is attached to the fifth arc-shaped groove, two sixth arc-shaped grooves are arranged in the inner side of the fifth half-moon-shaped sliding block 227, a sixth half-moon-shaped sliding block 228 is arranged in each sixth arc-shaped groove, the outer circle of the sixth half-moon-shaped sliding block 228 is attached to the sixth arc-shaped groove, two seventh arc-shaped grooves are arranged in the inner side of the sixth half-moon-shaped sliding block 228, a seventh half-moon-shaped sliding block 229 is arranged in each seventh arc-shaped groove, the outer circle of the seventh half-moon-shaped sliding block 229 is attached to the seventh arc-shaped groove, two eighth arc-shaped grooves are arranged in the inner side of the seventh half-moon-shaped sliding block 229, an eighth half-moon-shaped sliding block 230 is arranged in each eighth arc-shaped groove, and the outer circle of the eighth half-moon-shaped sliding block 230 is attached to the seventh arc-shaped groove.
Inside the fourth half-moon shaped slider 226 and the eighth half-moon shaped slider 230 are two flexible contacts.
As shown in fig. 4, when the special-shaped workpiece is clamped, after the points on the special-shaped workpiece are contacted with the flexible contacts on the inner sides of the fourth half-moon-shaped slide block 226 and the eighth half-moon-shaped slide block 230, the acting forces of the contacts are different, so that the half-moon-shaped slide block can twist and rotate until the stress is balanced.
By utilizing the structure, when the special-shaped workpiece is clamped, the positions of the contacts are automatically adjusted by utilizing different stress of the contacts, and finally, the contacts are contacted with the workpiece to be clamped, so that the clamping efficiency and the clamping stability are effectively improved.
Further, the rail car 2 needs to be braked and positioned after reaching a specified position, thereby providing a basis for robotic or manual assembly.
As shown in fig. 5, the upper end of the guide rail is a diamond-shaped rail head 101, a positioning hole 102 is formed in the diamond-shaped rail head 101, a rail supporting plate 103 for fixing is arranged at the lower end of the diamond-shaped rail head 101, a groove-shaped driving wheel 214 and an auxiliary wheel 216 are arranged below a bottom fixing plate 213 of the rail car 2, the driving wheel 214 is connected with a travelling driving motor 215, a positioning pin 217 is further arranged on the bottom fixing plate 213, the lower end of the positioning pin 217 is conical, the position of the positioning pin corresponds to the positioning hole 102 of the guide rail, the positioning pin 217 is connected with a pull rod 218, a pressure spring 219 is sleeved on the pull rod, the positioning pin moves linearly, a roller 220 is arranged at the tail end of the pull rod, a wedge-shaped sliding block 221 with a moving direction perpendicular to the pull rod direction is arranged at the roller, and the wedge-shaped sliding block is connected with the linear motor 222.
The working principle of the travelling and positioning mechanism is as follows, the driving wheel 214 and the auxiliary wheel 216 are clamped on the diamond-shaped track head of the guide rail, and the driving wheel 214 can realize forward movement, backward movement and braking under the drive of the travelling driving motor 215. But the braking of the driving wheel is simply relied on, and the positioning accuracy cannot be ensured, so that an independent positioner is needed, the linear motor 222 drives the wedge-shaped sliding block 221 to horizontally move, so that the roller 220 can be lifted or lowered, the roller 220 and the pull rod control the positioning pin to move up and down, when the driving process is carried out, the positioning pin is separated from the positioning hole, and when the driving process is stopped and positioned, the wedge-shaped sliding block 221 lowers the roller 220, and the positioning pin 217 is inserted into the positioning hole under the action of the pressure spring 219. Because the locating pin is of an inverted cone shape, the locating pin is automatically aligned and locked and positioned in the process of being inserted into the locating hole.
Further, in order to realize the low coupling of rail car 2 and production line, set up independent power and control panel on the rail car, as shown in fig. 6, be provided with lithium cell and control panel in the rail car 2, the lithium cell is the control panel power supply, and travel driving motor, auto-lock linear electric motor and centre gripping driving motor are connected respectively to the control panel, in order to make rail car 2 can be connected with main control system, be provided with communication module in the rail car, interact with main control system through communication module, accomplish corresponding action, rail car 2 is provided with the mouth that charges, under the parking state, the accessible mouth that charges for the rail car.
The foregoing disclosure is merely illustrative of specific embodiments of this patent and this patent is not to be construed as limiting, since modifications will be apparent to those skilled in the art without departing from the principles of the invention.
Claims (2)
1. The utility model provides an automatic assembly production line of car light, includes workstation, manipulator (3) and material loading machine (4), and workstation connection material loading machine (4), its characterized in that: the guide rail (1) penetrates through all the working tables, the guide rail (1) can move along the guide rail (1) and is provided with a positioning hole, a positioner matched with the positioning hole is arranged on the guide rail (2), a clamping mechanism is arranged on the guide rail (2), the clamping mechanism on the guide rail (2) comprises a fixed pressing plate (211), a sliding pressing plate (210) and a support (201), a guide rod (202) is arranged between the support (201) and the fixed pressing plate (211), a first sliding block (203) and a second sliding block (208) are arranged on the guide rod (202), the second sliding block (208) is fixedly connected with the sliding pressing plate (210), the first sliding block (203) and the second sliding block (208) are sleeved on the guide rod (202), the first sliding block (203) and the second sliding block (208) are elastically connected, a limit switch (212) is arranged between the first sliding block and the second sliding block, a screw (203) is arranged on the first sliding block (203), a motor (205) is arranged between the first sliding block (203) and the second sliding block, a screw (206) is arranged on the first sliding block (203), a screw (206) is arranged on the second sliding block (208), a screw rod (206) is arranged on the first sliding block (206), and the screw rod (206) is arranged on the first sliding block and the guide block is provided with a screw rod (206), a first half-moon-shaped sliding block (223) is arranged in the first arc-shaped groove, the outer circle of the first half-moon-shaped sliding block (223) is attached to the first arc-shaped groove, two second arc-shaped grooves are formed in the inner side of the first half-moon-shaped sliding block (223), a second half-moon-shaped sliding block (224) is arranged in each second arc-shaped groove, the outer circle of the second half-moon-shaped sliding block (224) is attached to the second arc-shaped groove, two third arc-shaped grooves are formed in the inner side of the second half-moon-shaped sliding block (224), a third half-moon-shaped sliding block (225) is arranged in each third arc-shaped groove, the outer circle of the third half-moon-shaped sliding block (225) is attached to the third arc-shaped groove, two fourth arc-shaped grooves are formed in the inner side of the third half-moon-shaped sliding block (225), a fourth half-moon-shaped sliding block (226) is arranged in each fourth arc-shaped groove, and the outer circle of the fourth half-moon-shaped sliding block (226) is attached to the fourth arc-shaped groove; the sliding pressing plate is characterized in that a fifth arc-shaped groove is formed in the inner side of the sliding pressing plate (210), a fifth half-moon-shaped sliding block (227) is arranged in the fifth arc-shaped groove, the outer circle of the fifth half-moon-shaped sliding block (227) is attached to the fifth arc-shaped groove, two sixth arc-shaped grooves are formed in the inner side of the fifth half-moon-shaped sliding block (227), a sixth half-moon-shaped sliding block (228) is arranged in each sixth arc-shaped groove, the outer circle of the sixth half-moon-shaped sliding block (228) is attached to the sixth arc-shaped groove, two seventh arc-shaped grooves are formed in the inner side of the sixth half-moon-shaped sliding block (228), a seventh half-moon-shaped sliding block (229) is arranged in each seventh arc-shaped groove, the outer circle of the seventh half-moon-shaped sliding block (229) is attached to the seventh arc-shaped groove, two eighth arc-shaped grooves are formed in the inner side of the seventh half-moon-shaped sliding block (229), and the outer circle of the eighth half-moon-shaped sliding block (230) is attached to the seventh arc-shaped groove.
2. The automatic assembly line for vehicle lamps according to claim 1, wherein: two flexible contacts are arranged on the inner sides of the fourth half-moon-shaped sliding block (226) and the eighth half-moon-shaped sliding block (230).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111119806.9A CN113857803B (en) | 2021-09-24 | 2021-09-24 | Automatic car lamp assembly production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111119806.9A CN113857803B (en) | 2021-09-24 | 2021-09-24 | Automatic car lamp assembly production line |
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| CN113857803A CN113857803A (en) | 2021-12-31 |
| CN113857803B true CN113857803B (en) | 2023-07-07 |
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| CN202111119806.9A Active CN113857803B (en) | 2021-09-24 | 2021-09-24 | Automatic car lamp assembly production line |
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| CN116967702B (en) * | 2023-07-15 | 2024-05-17 | 德州欧吉曼机械设备有限公司 | Automatic round-finding welding equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2157771C2 (en) * | 1998-01-22 | 2000-10-20 | Забайкальская железная дорога | Railway vehicle wheel flange lubricator |
| WO2016063410A1 (en) * | 2014-10-24 | 2016-04-28 | 富士機械製造株式会社 | Manufacturing system |
| CN206083040U (en) * | 2016-07-26 | 2017-04-12 | 无锡中卓智能科技股份有限公司 | Car car light rubber coating lock device |
| CN207629916U (en) * | 2017-12-25 | 2018-07-20 | 江苏蓝佩得工业科技有限公司 | A kind of car model positioning fixture |
| CN208117322U (en) * | 2018-03-30 | 2018-11-20 | 福建兴航机械铸造有限公司 | A kind of large-sized numerical control boring machine processing clamp |
| CN110977527B (en) * | 2019-12-12 | 2022-06-07 | 河北汉光重工有限责任公司 | Clamping device for workpiece with special-shaped curved surface structure |
| CN211680967U (en) * | 2020-02-12 | 2020-10-16 | 四川航天谦源科技有限公司 | A strutting arrangement that is used for adaptability of thin wall cavity parts machining to adjust |
| CN212209785U (en) * | 2020-07-06 | 2020-12-22 | 浙江大红门电力设备有限公司 | Copper-embedded transformer equipment wire clamp |
| CN111890048B (en) * | 2020-08-04 | 2022-05-20 | 江苏金方圆数控机床有限公司 | Numerical control impulse composite flexible production line and processing method thereof |
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