CN113602789A - Fetal membrane moving tool for man-machine cooperation bumper intelligent production line - Google Patents
Fetal membrane moving tool for man-machine cooperation bumper intelligent production line Download PDFInfo
- Publication number
- CN113602789A CN113602789A CN202111039547.9A CN202111039547A CN113602789A CN 113602789 A CN113602789 A CN 113602789A CN 202111039547 A CN202111039547 A CN 202111039547A CN 113602789 A CN113602789 A CN 113602789A
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- base
- horizontal rotating
- fetal membrane
- rotating seat
- driving mechanism
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- 210000002219 extraembryonic membrane Anatomy 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 210000004379 membrane Anatomy 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000013459 approach Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G7/00—Devices for assisting manual moving or tilting heavy loads
- B65G7/12—Load carriers, e.g. hooks, slings, harness, gloves, modified for load carrying
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses a fetal membrane moving tool for a man-machine cooperation bumper intelligent production line, which is arranged on a guide rail corresponding to the man-machine cooperation bumper intelligent production line and comprises a base, a horizontal rotating seat, an upper and lower overturning seat and a fetal membrane body matched with a bumper; the bottom of the base is provided with a plurality of rollers matched with the guide rails, and the base is provided with a first driving mechanism for driving the rollers to rotate; the horizontal rotating seat can be horizontally and rotationally arranged on the base back and forth and is positioned above the base; through utilizing first actuating mechanism to drive the gyro wheel and rotate for this frock can independently be removed, utilizes second actuating mechanism to drive horizontal rotating seat at the horizontal direction rotation of making a round trip simultaneously, utilizes third actuating mechanism to drive the seat of overturning from top to bottom and the upset of making a round trip, makes the fetal membrane body rotate and overturn as required, accomplishes omnidirectional production equipment with the cooperation robot, thereby effectively improves production efficiency, offers convenience for the production operation.
Description
Technical Field
The invention relates to the technology of the production field of bumpers, in particular to a fetal membrane moving tool for an intelligent production line of a man-machine cooperation bumper.
Background
The automobile bumper is a safety device for absorbing and relieving external impact force and protecting the front part and the rear part of an automobile body. The front and rear bumpers of the automobile are stamped into channel steel by steel plates and riveted or welded with the frame longitudinal beam for many years, and a large gap is reserved between the channel steel and the automobile body, so that the front and rear bumpers of the automobile are quite unattractive.
After the automobile bumper is formed, various workpieces such as radars, headlights, fog lamps and the like need to be assembled, various mounting positions such as a radar bracket, a headlight bracket, a fog lamp bracket and the like need to be machined firstly, and the brackets are all formed into a whole with the automobile bumper after semi-finished products are pasted, positioned and welded. The traditional processing method is completed manually, however, the manual production efficiency is low, the welding and assembling quality is changed due to the working experience of different technicians, and the quality of finished products is unstable. With the rapid development of automatic assembly, an assembly line processing mode appears, an assembly station, a punching station, a welding station and the like are arranged on the assembly line, and the automobile bumper gradually finishes processing from the previous station to the next station on the assembly line.
However, the existing production line cannot use a membrane tool to move autonomously, rotate and turn over according to needs, and complete all-around production and assembly in cooperation with a robot, so that the production efficiency is reduced. Therefore, there is a need to develop a solution to the above problems.
Disclosure of Invention
In view of the above, the present invention is directed to the defects in the prior art, and a main object of the present invention is to provide a fetal membrane moving tool for an intelligent production line of a man-machine-operated bumper, which can move autonomously and complete all-directional production and assembly in cooperation with a robot.
In order to achieve the purpose, the invention adopts the following technical scheme:
a fetal membrane moving tool for a man-machine cooperation bumper intelligent production line is arranged on a guide rail corresponding to the man-machine cooperation bumper intelligent production line and comprises a base, a horizontal rotating seat, an upper and lower overturning seat and a fetal membrane body matched with a bumper; the bottom of the base is provided with a plurality of rollers matched with the guide rails, and the base is provided with a first driving mechanism for driving the rollers to rotate; the horizontal rotating seat can be horizontally and rotationally arranged on the base back and forth and is positioned above the base, and a second driving mechanism for driving the horizontal rotating seat to rotate back and forth is arranged on the base; the upper and lower overturning seats can be arranged on the horizontal rotating seat in an up-and-down and back-and-forth overturning manner, and the horizontal rotating seat is provided with a third driving mechanism for driving the upper and lower overturning seats to overturn up and down; the fetal membrane body is arranged on the vertical overturning seat.
As a preferred scheme, the horizontal rotating base is of an integrated U-shaped structure and has a first accommodating space, the vertical turnover base is located in the first accommodating space, and the center of the bottom of the horizontal rotating base is connected with the second driving mechanism.
As a preferred scheme, the up-down turning seat is of a combined U-shaped structure and is provided with a second accommodating space, the fetal membrane body is located in the second accommodating space, two ends of the up-down turning seat are hinged with two ends of the horizontal rotating seat, and the third driving mechanism is arranged at one end of the horizontal rotating seat.
As a preferable scheme, a power supply controller is arranged on the base and is connected with the fetal membrane body, the first driving mechanism, the second driving mechanism and the third driving mechanism.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
through utilizing first actuating mechanism to drive the gyro wheel and rotate for this frock can independently be removed, utilizes second actuating mechanism to drive horizontal rotating seat at the horizontal direction rotation of making a round trip simultaneously, utilizes third actuating mechanism to drive the seat of overturning from top to bottom and the upset of making a round trip, makes the fetal membrane body rotate and overturn as required, accomplishes omnidirectional production equipment with the cooperation robot, thereby effectively improves production efficiency, offers convenience for the production operation.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a perspective view of a preferred embodiment of the present invention;
FIG. 2 is a perspective view of another angle of the preferred embodiment of the present invention;
FIG. 3 is a front view of the preferred embodiment of the present invention;
FIG. 4 is a top view of the preferred embodiment of the present invention;
FIG. 5 is a side view of the preferred embodiment of the present invention;
FIG. 6 is an enlarged view of the tooling for moving the tire membrane according to the preferred embodiment of the present invention.
The attached drawings indicate the following:
10. frame 11, lower guide rail
12. Upper guide rail 101, workpiece placing station
102. Workpiece taking station 103 and first station
104. Second station 105 and third station
20. First robot 30, second robot
40. Third robot 50, fetal membrane remove frock
51. Base 52, horizontal swivel base
53. Up-down overturning seat 54 and fetal membrane body
55. Roller 56, first drive mechanism
57. Second drive mechanism 58 and third drive mechanism
59. Power controller 501 and first accommodating space
502. Second accommodating space 60 and first lifting platform
61. First guide rail 70 and second lifting platform
71. Second guide rail 80, bumper
90. A human-machine control interface.
Detailed Description
Referring to fig. 1 to 6, a detailed structure of an intelligent production line for man-machine-operated bumpers according to a preferred embodiment of the invention is shown, which includes a frame 10, a first robot 20, a second robot 30, a third robot 40, and a plurality of tire mold moving tools 50.
A lower guide rail 11 and an upper guide rail 12 are arranged on the frame 10, the upper guide rail 12 is positioned right above the lower guide rail 11, and the frame 10 is provided with a workpiece placing station 101, a workpiece taking station 102, a first station 103, a second station 104 and a third station 105; the workpiece placing station 101 and the workpiece taking station 102 are respectively positioned at two ends of the frame 10, a first lifting table 60 is arranged in the workpiece placing station 101, a first guide rail 61 which can be separated from or butted with one end of the lower guide rail 11 and one end of the upper guide rail 12 is arranged on the first lifting table 60, a second lifting table 70 is arranged in the workpiece taking station 102, a second guide rail 71 which can be separated from or butted with the other end of the lower guide rail 11 and the other end of the upper guide rail 12 is arranged on the second lifting table 70, and the first station 103, the second station 104 and the third station 105 are sequentially arranged at the front side of the lower guide rail 11 and positioned at the front side between the workpiece placing station 101 and the workpiece taking station 102; in this embodiment, the frame 10 is a steel frame welded structure.
The first robot 20, the second robot 30, and the third robot 40 are respectively disposed in the first station 103, the second station 104, and the third station 105.
The plurality of fetal membrane moving tools 50 are arranged on the corresponding guide rails and sequentially and circularly move along the first guide rail 61, the lower guide rail 11, the second guide rail 71 and the upper guide rail 12. Specifically, the fetal membrane moving tool 50 comprises a base 51, a horizontal rotating seat 52, an up-down turning seat 53 and a fetal membrane body 54 matched with a bumper 80; the bottom of the base 51 is provided with a plurality of rollers 55 matched with the guide rails, and the base 51 is provided with a first driving mechanism 56 for driving the rollers 55 to rotate; the horizontal rotating base 52 is horizontally and reciprocally rotatably disposed on the base 51 and located above the base 51, and the base 51 is provided with a second driving mechanism 57 for driving the horizontal rotating base 52 to reciprocally rotate; the up-down turning base 53 is arranged on the horizontal rotating base 52 in a way of turning up and down back and forth, and a third driving mechanism 58 for driving the up-down turning base 53 to turn up and down back and forth is arranged on the horizontal rotating base 52; the membrane body 54 is disposed on the vertical turning seat 53.
In this embodiment, the base 51 has a square plate shape, and the number of the rollers 55 is four, and the rollers are respectively located below each corner of the base 51; the first drive mechanism 56 is a motor drive mechanism; the horizontal rotating base 52 is an integrated U-shaped structure, and has a first accommodating space 501, the up-down turning base 53 is located in the first accommodating space 501, the bottom center of the horizontal rotating base 52 is connected to a second driving mechanism 57, and the second driving mechanism 57 is a motor driving mechanism. The up-down turning seat 53 is a combined U-shaped structure, and has a second accommodating space 502, the fetal membrane body 54 is located in the second accommodating space 502, two ends of the up-down turning seat 53 are hinged to two ends of the horizontal rotating seat 52, the third driving mechanism 58 is disposed at one end of the horizontal rotating seat 52, and the third driving mechanism 58 is a motor driving mechanism.
The base 51 is provided with a power controller 59, and the power controller 59 is connected with the fetal membrane body 54, the first driving mechanism 56, the second driving mechanism 57 and the third driving mechanism 58; a human-machine control interface 90 is arranged beside the workpiece placing station 101, and the human-machine control interface 90 is in wireless communication connection with the power controller 59 and is connected with the first robot 20, the second robot 30 and the third robot 40.
The invention also discloses an intelligent production method of the man-machine cooperation bumper, which adopts the intelligent production line of the man-machine cooperation bumper and comprises the following steps:
(1) the production line is started, one of the fetal membrane moving tools 50 moves to the first lifting table 60, the first lifting table 60 descends to the right position, and then the bumper body is manually placed on the fetal membrane body 54 of the fetal membrane moving tool 50.
(2) The fetal membrane moving tooling 50 moves from the first guide rail 61 onto the lower guide rail 11, and then the fetal membrane moving tooling 50 moves along the lower guide rail 11 and approaches the first robot 20.
(3) The first robot 20 automatically grasps the front deflector and places the front deflector on the bumper body, then manually places the skin on the front deflector, and then the first robot 20 tightly presses and installs the front deflector.
(4) The fetal membrane moving tool 50 moves along the lower guide rail 11 and approaches the second robot 30, the second robot 30 automatically picks the left fog lamp and the right fog lamp and places the fog lamps on the corresponding positions of the skin, and then the second robot 30 automatically installs the screws.
(5) The membrane moving tool 50 moves along the lower rail 11 and approaches the third robot 40, and the third robot 40 automatically installs the blind rivet nut, thereby forming a bumper product.
(6) The green sheet moving tool 50 moves along the lower rail 11 to the second rail 71 of the second lifting table 70, and then, the finished bumper is manually removed.
(7) The second lifting table 70 is lifted to the highest position, then the fetal membrane moving tool 50 is moved to the upper guide rail 12, the fetal membrane moving tool 50 moves to the first guide rail 61 of the first lifting table 60 along the upper guide rail 12, and at this time, the actions can be repeated to perform production and assembly of the next bumper 80.
The design of the invention is characterized in that: through utilizing first actuating mechanism to drive the gyro wheel and rotate for this frock can independently be removed, utilizes second actuating mechanism to drive horizontal rotating seat at the horizontal direction rotation of making a round trip simultaneously, utilizes third actuating mechanism to drive the seat of overturning from top to bottom and the upset of making a round trip, makes the fetal membrane body rotate and overturn as required, accomplishes omnidirectional production equipment with the cooperation robot, thereby effectively improves production efficiency, offers convenience for the production operation.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.
Claims (4)
1. The utility model provides a fetal membrane removes frock that is used for people-computer cooperation bumper intelligence production line which characterized in that: the device is arranged on a guide rail corresponding to a man-machine cooperation bumper intelligent production line and comprises a base, a horizontal rotating seat, an up-down overturning seat and a tire membrane body matched with a bumper; the bottom of the base is provided with a plurality of rollers matched with the guide rails, and the base is provided with a first driving mechanism for driving the rollers to rotate; the horizontal rotating seat can be horizontally and rotationally arranged on the base back and forth and is positioned above the base, and a second driving mechanism for driving the horizontal rotating seat to rotate back and forth is arranged on the base; the upper and lower overturning seats can be arranged on the horizontal rotating seat in an up-and-down and back-and-forth overturning manner, and the horizontal rotating seat is provided with a third driving mechanism for driving the upper and lower overturning seats to overturn up and down; the fetal membrane body is arranged on the vertical overturning seat.
2. The fetal membrane moving tool for the intelligent production line of man-machine-cooperated bumpers as claimed in claim 1, wherein: the horizontal rotating seat is of an integrated U-shaped structure and is provided with a first accommodating space, the vertical overturning seat is positioned in the first accommodating space, and the center of the bottom of the horizontal rotating seat is connected with the second driving mechanism in an installing mode.
3. The fetal membrane moving tool for the intelligent production line of man-machine-cooperated bumpers as claimed in claim 1, wherein: the upper and lower overturning seats are of a combined U-shaped structure and are provided with a second accommodating space, the fetal membrane body is positioned in the second accommodating space, two ends of the upper and lower overturning seats are hinged with two ends of the horizontal rotating seat, and the third driving mechanism is arranged at one end of the horizontal rotating seat.
4. The fetal membrane moving tool for the intelligent production line of man-machine-cooperated bumpers as claimed in claim 1, wherein: the base is provided with a power supply controller, and the power supply controller is connected with the fetal membrane body, the first driving mechanism, the second driving mechanism and the third driving mechanism.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111039547.9A CN113602789A (en) | 2021-09-06 | 2021-09-06 | Fetal membrane moving tool for man-machine cooperation bumper intelligent production line |
Applications Claiming Priority (1)
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CN202111039547.9A CN113602789A (en) | 2021-09-06 | 2021-09-06 | Fetal membrane moving tool for man-machine cooperation bumper intelligent production line |
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CN113602789A true CN113602789A (en) | 2021-11-05 |
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CN202111039547.9A Pending CN113602789A (en) | 2021-09-06 | 2021-09-06 | Fetal membrane moving tool for man-machine cooperation bumper intelligent production line |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114311129A (en) * | 2021-12-31 | 2022-04-12 | 长江智能科技(广东)股份有限公司 | Annular production line for automobile bumpers |
CN114313071A (en) * | 2022-01-14 | 2022-04-12 | 沈阳名华模塑科技有限公司 | Front bumper integration assembly equipment of passenger car |
CN114799625A (en) * | 2022-04-13 | 2022-07-29 | 长江智能科技(广东)股份有限公司 | Welding production line for automobile internal and external ornaments with tire house |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107160127A (en) * | 2017-05-03 | 2017-09-15 | 江苏宜润智能装备产业创新研究院有限公司 | The automatic assembly method of automotive trimming door plate |
CN207223240U (en) * | 2017-08-04 | 2018-04-13 | 广东盛鑫智能科技有限公司 | A kind of automobile bumper radar stent robot welding common apparatus |
CN108081195A (en) * | 2017-12-25 | 2018-05-29 | 长江超声智能装备(广东)股份有限公司 | Comprehensive 360 ° of robotic asssembly frocks |
CN109434356A (en) * | 2018-12-28 | 2019-03-08 | 长江超声智能装备(广东)股份有限公司 | Weld fetal membrane |
CN208992183U (en) * | 2018-09-18 | 2019-06-18 | 钱周忠 | A kind of automobile exterior trimming parts punching, welding or bonding flexible automation production line |
CN111283810A (en) * | 2020-01-06 | 2020-06-16 | 江阴名旭模塑有限公司 | Flexible automatic production line for punching and welding automobile bumper |
CN112339277A (en) * | 2020-10-27 | 2021-02-09 | 长春富维安道拓汽车饰件系统有限公司 | Flexible welding production line for automobile door interior trim panel |
-
2021
- 2021-09-06 CN CN202111039547.9A patent/CN113602789A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107160127A (en) * | 2017-05-03 | 2017-09-15 | 江苏宜润智能装备产业创新研究院有限公司 | The automatic assembly method of automotive trimming door plate |
CN207223240U (en) * | 2017-08-04 | 2018-04-13 | 广东盛鑫智能科技有限公司 | A kind of automobile bumper radar stent robot welding common apparatus |
CN108081195A (en) * | 2017-12-25 | 2018-05-29 | 长江超声智能装备(广东)股份有限公司 | Comprehensive 360 ° of robotic asssembly frocks |
CN208992183U (en) * | 2018-09-18 | 2019-06-18 | 钱周忠 | A kind of automobile exterior trimming parts punching, welding or bonding flexible automation production line |
CN109434356A (en) * | 2018-12-28 | 2019-03-08 | 长江超声智能装备(广东)股份有限公司 | Weld fetal membrane |
CN111283810A (en) * | 2020-01-06 | 2020-06-16 | 江阴名旭模塑有限公司 | Flexible automatic production line for punching and welding automobile bumper |
CN112339277A (en) * | 2020-10-27 | 2021-02-09 | 长春富维安道拓汽车饰件系统有限公司 | Flexible welding production line for automobile door interior trim panel |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114311129A (en) * | 2021-12-31 | 2022-04-12 | 长江智能科技(广东)股份有限公司 | Annular production line for automobile bumpers |
CN114313071A (en) * | 2022-01-14 | 2022-04-12 | 沈阳名华模塑科技有限公司 | Front bumper integration assembly equipment of passenger car |
CN114313071B (en) * | 2022-01-14 | 2024-01-26 | 沈阳名华模塑科技有限公司 | Front bumper integrated assembly equipment of passenger car |
CN114799625A (en) * | 2022-04-13 | 2022-07-29 | 长江智能科技(广东)股份有限公司 | Welding production line for automobile internal and external ornaments with tire house |
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Application publication date: 20211105 |