CN107263076B - Automatic screw up workstation - Google Patents
Automatic screw up workstation Download PDFInfo
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- CN107263076B CN107263076B CN201710489418.7A CN201710489418A CN107263076B CN 107263076 B CN107263076 B CN 107263076B CN 201710489418 A CN201710489418 A CN 201710489418A CN 107263076 B CN107263076 B CN 107263076B
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- mounting plate
- tightening
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- turnover
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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
- B23P19/04—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 for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
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Abstract
The invention discloses an automatic tightening workstation, and belongs to the field of engineering machinery assembly. The device mainly comprises a frame, wherein a travelling mechanism, a turnover device and a sleeve selector are arranged on the frame, a tightening gun is arranged on the travelling mechanism, and the tightening gun is matched with the turnover device and the sleeve selector; the turnover device comprises a turnover plate, the bottom of the turnover plate is hinged with a turnover cylinder, a positioning tire is arranged on the turnover plate, and a positioning pin and a positioning plate which are matched with the multi-way valve are arranged on the positioning tire; the sleeve selector comprises a sleeve clamping cylinder and a sleeve groove, wherein a push block and a stop block which are matched with each other are arranged in the sleeve groove, and the push block is fixedly connected with the extending end of the sleeve clamping cylinder; a spring rod is arranged below the tightening gun and is matched with the sleeve selector. The invention utilizes the electric control system to well combine the automatic equipment with the electric tightening gun, realizes automatic operation, has high efficiency, effectively avoids the phenomenon of neglected loading and tightening, and greatly improves the product quality. The invention is mainly used for screwing the multi-way valve.
Description
Technical Field
The invention belongs to the field of engineering machinery assembly, and particularly relates to an automatic tightening workstation.
Background
In the assembling and screwing work of a multi-way valve joint, a flange and an oil pipe of a loader, a plurality of steps such as pre-tightening, calibrating and overturning are usually needed, and tools such as an air trigger, a fixed torque wrench and a cantilever crane are needed to be used for manual work respectively. The multi-way valve has the advantages that the types of joints, flanges, oil pipes and the like on the multi-way valve are complex, the number is numerous, the operation difficulty of workers is high, the labor intensity is high, meanwhile, as the multi-way valve is a core part, the requirement on moment is strict, and the tight leakage or the unqualified moment caused by manual operation can have a great influence on the product quality. With the progress of industrial technology, a large number of tightening machine products are applied to assembly operation, but most of tightening machine products are still manually operated, only the reliability of moment is guaranteed, and at present, no automatic tightening equipment capable of releasing labor force exists.
Disclosure of Invention
The invention aims to overcome the defects and provide an automatic tightening workstation which utilizes an electric control system to well combine automatic equipment with an electric tightening gun, realizes automatic operation, has high efficiency, effectively avoids the phenomenon of missing installation and missing tightening, and greatly improves the product quality.
The automatic screwing workstation comprises a frame, wherein a travelling mechanism, a turnover device and a sleeve selector are arranged on the frame, a screwing gun is arranged on the travelling mechanism, and the screwing gun is matched with the turnover device and the sleeve selector; the turnover device comprises a turnover plate, a turnover cylinder is hinged to the bottom of the turnover plate, a positioning tire is arranged on the turnover plate, and a positioning pin and a positioning plate which are matched with the multi-way valve are arranged on the positioning tire.
Further, be equipped with in the frame with location child complex positioning cylinder, positioning cylinder's the end that stretches out is equipped with the rubber push block, positioning cylinder passes through positioning cylinder seat and frame fixed connection.
Further, the sleeve selector comprises a sleeve clamping cylinder and a sleeve groove, wherein a push block and a stop block which are matched with each other are arranged in the sleeve groove, and the push block is fixedly connected with the extending end of the sleeve clamping cylinder; a spring rod is arranged below the tightening gun and is matched with the sleeve selector.
Further, a detection plate is arranged above the sleeve groove, and a position detection sensor is arranged on the detection plate.
Further, the frame includes the electrical control cabinet, and electrical control cabinet both sides are equipped with the backup pad respectively, are equipped with the bracing piece between two backup pads, are equipped with supporting platform in the backup pad.
Further, the walking mechanism comprises a left-right movement mechanism, a front-back movement mechanism and an up-down movement mechanism which are mutually matched;
the left and right movement mechanism comprises a left and right mounting plate and a left and right servo motor, a bracket is arranged behind the left and right mounting plate, a left and right rack and a left and right slide rail are arranged on the left and right mounting plate, front and rear sliding blocks are respectively arranged on two sides of the bottom of the left and right mounting plate, a left and right motor gear is arranged at the end part of the left and right servo motor, and the left and right motor gear is matched with the left and right rack;
the front-back motion mechanism comprises a front-back mounting plate and a front-back servo motor, the front-back servo motor is fixedly connected with the bracket, front-back motor gears are arranged at the ends of the front-back servo motor, and front-back sliding rails matched with the front-back sliding blocks and front-back racks matched with the front-back motor gears are arranged on the front-back mounting plate;
the up-down motion mechanism comprises an upper mounting plate and a lower mounting plate, a left sliding block and a right sliding block which are matched with left sliding rails and right sliding rails are arranged on the back surfaces of the upper mounting plate and the lower mounting plate, a tightening mounting plate is arranged in front of the upper mounting plate and the lower mounting plate, the tightening mounting plate is connected with the upper mounting plate and the lower mounting plate through the upper sliding block and the lower sliding rails, an upper servo motor and a lower servo motor are arranged on the tightening mounting plate, an upper motor gear and a lower motor gear at the end parts of the upper servo motor and a lower rack fixed on the upper mounting plate and the lower mounting plate are meshed, and a tightening gun is fixedly connected with the tightening mounting plate.
Further, a torque sensor is arranged on the tightening gun, and a spring rod is arranged below the torque sensor.
Further, the bottom of the front mounting plate and the bottom of the rear mounting plate are provided with a left supporting seat, a middle supporting seat and a right supporting seat, and the travelling mechanism is fixedly connected with the frame through the left supporting seat, the middle supporting seat and the right supporting seat.
Compared with the prior art, the invention has the beneficial effects that:
1. the automatic screwing gun is compact in structure and convenient to use, the screwing gun is organically combined with automatic equipment, the automatic control program is utilized to realize full automation of the screwing process of the multi-way valve, labor force is saved, the phenomenon of missing packaging and missing fastening is effectively avoided, the operation efficiency is greatly improved, and the product quality is ensured;
2. according to the invention, the sleeve selector is additionally arranged, the cylinder, the mutually matched pushing block and the stop block are used as the mutual matching of the clamp, the spring rod, the sensor and the like, and the automatic program is combined, so that the requirement of automatically replacing the sleeve for a plurality of times in the screwing process and simultaneously switching the moment is met, and the working condition requirement of a plurality of types of bolts of the multi-way valve is met;
3. the travelling mechanism is driven by a servo motor, is driven by a gear rack and is supported and guided by a slide rail and a slide block, and can realize the movement in the front-back, left-right and up-down directions with high movement precision;
4. the multi-way valve overturning mechanism is additionally arranged, so that the multi-way valve can be rotated and positioned by 90 degrees, multi-angle screwing is realized, and the assembly requirement of side oil pipes is met.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a walking mechanism;
FIG. 3 is a schematic diagram of a turnover device;
FIG. 4 is a schematic view of the structure of the frame;
FIG. 5 is a schematic view of a sleeve selector;
FIG. 6 is a schematic diagram of a control module according to the present invention;
fig. 7 is a schematic diagram of the gas circuit of the present invention.
In the figure, 1, a walking mechanism; 2. a frame; 3. a sleeve selector; 4. a turnover device; 5. upper and lower motor gears; 6. an upper and lower servo motor; 7. an upper and lower slider; 8. an upper rack and a lower rack; 9. an upper and lower mounting plate; 10. an upper and lower slide rail; 11. a left and right servo motor; 12. left and right motor gears; 13. left and right racks; 14. a left and a right sliding rail; 15. a left and right slider; 16. left and right mounting plates; 17. front and rear racks; 18. front and rear servo motors; 19. a bracket; 20. front and rear mounting plates; 21. front and rear sliders; 22. front and rear slide rails; 23. tightening the gun; 24. a torque sensor; 25. a spring rod; 26. tightening the mounting plate; 27. a left support seat; 28. a middle supporting seat; 29. a right support base; 30. positioning the tire; 31. a turnover plate; 32. a turnover cylinder; 33. overturning the cylinder seat; 34. a turnover cylinder fixing plate; 35. a positioning plate; 36. a positioning pin; 37. turning over the connecting pin; 38. a rubber push block; 39. positioning a cylinder seat; 40. positioning a cylinder; 41. a support rod; 42. a support plate; 43. a support platform; 44. an electrical control cabinet; 45. a sleeve clamping cylinder; 46. a detection plate; 47. a pushing block; 48. a stop block; 49. a sleeve groove; 50. a sleeve selector cylinder control valve; 51. turning over a positioning cylinder control valve; 52. a gas source; 53. an overflow valve; 54. an air pipe; 55. and a control valve of the overturning cylinder.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, the automatic tightening workstation comprises a frame 2, wherein a travelling mechanism 1, a turnover device 4 and a sleeve selector 3 are arranged on the frame 2, a tightening gun 23 is arranged on the travelling mechanism 1, and the tightening gun 23 is matched with the turnover device 4 and the sleeve selector 3;
as shown in fig. 3, the turning device 4 includes a turning plate 31, a turning cylinder 32 is hinged at the bottom of the turning plate 31, the turning cylinder 32 is connected with a turning cylinder fixing plate 34 through a turning cylinder seat 33, the turning cylinder fixing plate 34 is fixedly connected with the frame 2, the turning plate 31 is connected with a positioning tire 30 through a turning connecting pin 37, and a positioning pin 36 and a positioning plate 35 matched with a multi-way valve are arranged on the positioning tire 30; the machine frame 2 is provided with a positioning cylinder 40 matched with the positioning tire 30, the extending end of the positioning cylinder 40 is provided with a rubber push block 38, and the positioning cylinder 40 is fixedly connected with the machine frame 2 through a positioning cylinder seat 39.
As shown in fig. 5, the sleeve selector 3 includes a sleeve clamping cylinder 45 and a sleeve groove 49, wherein a push block 47 and a stop block 48 are arranged in the sleeve groove 49, and the push block 47 is fixedly connected with the extending end of the sleeve clamping cylinder 45; a spring rod 25 is arranged below the tightening gun 23, the spring rod 25 is matched with the sleeve selector 3, a detection plate 46 is arranged above the sleeve groove 49, and a position detection sensor is arranged on the detection plate 46. Different types of sleeves can be installed in the sleeve groove 49 for screwing operation.
Before operation, the required sleeve is placed in the corresponding sleeve groove 49; when the sleeve is replaced, the sleeve clamping cylinder 45 extends out, the shapes of the push block 47 and the stop block 48 are matched with those of the sleeve, the sleeve is clamped and positioned by the matched push block 47 and the stop block 48, the travelling mechanism 1 moves to the sleeve position, after the spring rod 25 descends to sleeve, the sleeve clamping cylinder 45 is retracted, and the sleeve is taken out along with the ascending and descending mechanism; when the sleeve is replaced, the travelling mechanism 1 returns to the sleeve taking position, the sleeve clamping cylinder 45 extends out after the spring rod 25 descends to the proper position, the push block 47 and the stop block 48 clamp the sleeve, the spring rod 25 ascends, and the travelling mechanism 1 moves to the next sleeve position or returns to the original point to perform the next cycle.
As shown in fig. 4, the rack 2 includes an electrical control cabinet 44, two sides of the electrical control cabinet 44 are respectively provided with a support plate 42, a support bar 41 is arranged between the two support plates 42, and a support platform 43 is arranged on the support plate 42; an electrical distribution board is installed in the electrical control cabinet 44, and comprises a circuit breaker, a controller, a motor driver, a direct current power supply, a relay, a touch display screen, a cable and other control elements.
As shown in fig. 2, the travelling mechanism 1 comprises a left-right movement mechanism, a front-back movement mechanism and an up-down movement mechanism which are mutually matched, and the travelling mechanism 1 is provided with origin and limit position sensors in all directions for returning to the origin and ensuring the safety of the mechanism.
The left and right movement mechanism comprises a left and right mounting plate 16 and a left and right servo motor 11, a bracket 19 is arranged behind the left and right mounting plate 16, a left and right rack 13 and a left and right slide rail 14 are arranged on the left and right mounting plate 16, front and rear sliding blocks 21 are respectively arranged on two sides of the bottom of the left and right mounting plate 16, a left and right motor gear 12 is arranged at the end part of the left and right servo motor 11, and the left and right motor gear 12 is matched with the left and right rack 13;
the front-back motion mechanism comprises a front-back mounting plate 20 and a front-back servo motor 18, the front-back servo motor 18 is fixedly connected with a bracket 19, front-back motor gears are arranged at the ends of the front-back servo motor 18, and the front-back mounting plate 20 is provided with a front-back sliding rail 22 matched with a front-back sliding block 21 and a front-back rack 17 matched with the front-back motor gears;
the up-down motion mechanism comprises an up-down mounting plate 9, a left sliding block 15 and a right sliding block 15 which are matched with left and right sliding rails 14 are arranged on the back surfaces of the up-down mounting plate 9, a tightening mounting plate 26 is arranged in front of the up-down mounting plate 9, the tightening mounting plate 26 is connected with the up-down mounting plate 9 through the up-down sliding block 7 and the up-down sliding rail 10, an up-down servo motor 6 is arranged on the tightening mounting plate 26, an up-down motor gear 5 at the end part of the up-down servo motor 6 is meshed with an up-down rack 8 fixed on the up-down mounting plate 9, and a tightening gun 23 is fixedly connected with the tightening mounting plate 26; the tightening gun 23 is provided with a torque sensor 24, and a spring rod 25 is arranged below the torque sensor 24.
The servo motor has high motion precision, and the meshing transmission gap between the gear and the rack is small; the guiding and supporting mode of the sliding rail and the sliding block is stable and firm, and the movement precision of the travelling mechanism 1 is further ensured; encoders are arranged at the tail parts of the left and right servo motors 11, the front and rear servo motors 18 and the upper and lower servo motors 6 to provide position feedback, so that the movement precision of the invention is ensured, and the tightening gun 23 can be accurately sent to the working position.
The bottom of the front and rear mounting plates 20 is provided with a left supporting seat 27, a middle supporting seat 28 and a right supporting seat 29, and the travelling mechanism 1 is fixedly connected with the frame 2 through the left supporting seat 27, the middle supporting seat 28 and the right supporting seat 29.
As shown in fig. 1 and 6, the frame 2 is installed on a flat workshop floor to ensure good grounding when the invention is used. The turnover device 4 is provided with two stations with the same structure, the multi-way valve is hoisted to the positioning tire 30, and the positioning tire 30 is provided with three positioning pins 36 and a positioning plate 35 for positioning the multi-way valve on equipment. At this time, the turnover plate 31 is in a horizontal state under the thrust of the turnover cylinder 32, the travelling mechanism 1 drives the tightening gun 23 to move to a sleeve position, the sleeve is sleeved by the descending of the spring rod 25, corresponding bolts are arranged in the sleeve, and then the travelling mechanism 1 moves to the multi-way valve for tightening operation; after the front screwing operation is finished, the overturning cylinder 32 pulls the overturning plate 31 to rotate 90 degrees around a hinging rod at the extending end of the overturning cylinder 32, at the moment, the positioning cylinder 40 extends out to enable the front of the multi-way valve to be clung to the overturning plate 31, the travelling mechanism 1 drives the screwing gun 23 to replace a corresponding sleeve and return to the multi-way valve, and the screwing gun 23 performs side screwing operation; after all the tightening operations are completed, the traveling mechanism 1 returns to the original position, and the turning device 4 also returns to the horizontal state.
As shown in fig. 7, the pneumatic principle of the present invention is as follows: the air source 52 provides compressed air, the overflow valve 53 plays a protective role, the air pipe 54 is connected with the whole system, the sleeve selector cylinder control valve 50 and the turnover positioning cylinder control valve 51 are self-return control valves respectively controlling the sleeve clamping cylinder 45 and the positioning cylinder 40, the turnover cylinder control valve 55 is a double-acting control valve, and the self-holding function is provided for controlling the turnover cylinder 32.
Claims (7)
1. Automatic screw up workstation, including frame (2), its characterized in that: the machine frame (2) is provided with a travelling mechanism (1), a turnover device (4) and a sleeve selector (3), the travelling mechanism (1) is provided with a tightening gun (23), and the tightening gun (23) is matched with the turnover device (4) and the sleeve selector (3); the turnover device (4) comprises a turnover plate (31), a turnover cylinder (32) is hinged to the bottom of the turnover plate (31), the turnover cylinder (32) is connected with a turnover cylinder fixing plate (34) through a turnover cylinder seat (33), the turnover cylinder fixing plate (34) is fixedly connected with the frame (2), a positioning tire (30) is arranged on the turnover plate (31), and a positioning pin (36) and a positioning plate (35) which are matched with the multi-way valve are arranged on the positioning tire (30);
the walking mechanism (1) comprises a left-right movement mechanism, a front-back movement mechanism and an up-down movement mechanism which are mutually matched;
the left-right movement mechanism comprises a left-right mounting plate (16) and a left-right servo motor (11), a bracket (19) is arranged behind the left-right mounting plate (16), a left-right rack (13) and a left-right slide rail (14) are arranged on the left-right mounting plate (16), front-rear sliding blocks (21) are respectively arranged on two sides of the bottom of the left-right mounting plate (16), a left-right motor gear (12) is arranged at the end part of the left-right servo motor (11), and the left-right motor gear (12) is matched with the left-right rack (13);
the front-back motion mechanism comprises a front-back mounting plate (20) and a front-back servo motor (18), the front-back servo motor (18) is fixedly connected with a bracket (19), front-back motor gears are arranged at the end parts of the front-back servo motor (18), and the front-back mounting plate (20) is provided with a front-back sliding rail (22) matched with a front-back sliding block (21) and a front-back rack (17) matched with the front-back motor gears;
the up-down motion mechanism comprises an up-down mounting plate (9), a left-right sliding block (15) matched with a left-right sliding rail (14) is arranged on the back of the up-down mounting plate (9), a tightening mounting plate (26) is arranged in front of the up-down mounting plate (9), the tightening mounting plate (26) is connected with the up-down mounting plate (9) through the up-down sliding block (7) and the up-down sliding rail (10), an up-down servo motor (6) is arranged on the tightening mounting plate (26), an up-down motor gear (5) at the end part of the up-down servo motor (6) is meshed with an up-down rack (8) fixed on the up-down mounting plate (9), and a tightening gun (23) is fixedly connected with the tightening mounting plate (26).
2. The automated tightening station of claim 1, wherein: the machine frame (2) is provided with a positioning cylinder (40) matched with the positioning tire (30), the extending end of the positioning cylinder (40) is provided with a rubber push block (38), and the positioning cylinder (40) is fixedly connected with the machine frame (2) through a positioning cylinder seat (39).
3. The automated tightening station of claim 2, wherein: the sleeve selector (3) comprises a sleeve clamping cylinder (45) and a sleeve groove (49), wherein a pushing block (47) and a stop block (48) which are matched with each other are arranged in the sleeve groove (49), and the pushing block (47) is fixedly connected with the extending end of the sleeve clamping cylinder (45); a spring rod (25) is arranged below the tightening gun (23), and the spring rod (25) is matched with the sleeve selector (3).
4. An automatic tightening station as claimed in claim 3, wherein: a detection plate (46) is arranged above the sleeve groove (49), and a position detection sensor is arranged on the detection plate (46).
5. The automated tightening station of claim 4, wherein: the machine frame (2) comprises an electric control cabinet (44), support plates (42) are respectively arranged on two sides of the electric control cabinet (44), support rods (41) are arranged between the two support plates (42), and a support platform (43) is arranged on the support plates (42).
6. The automated tightening station of claim 5, wherein: the tightening gun (23) is provided with a torque sensor (24), and a spring rod (25) is arranged below the torque sensor (24).
7. The automated tightening station of claim 6, wherein: the bottom of the front mounting plate (20) and the bottom of the rear mounting plate (20) are provided with a left supporting seat (27), a middle supporting seat (28) and a right supporting seat (29), and the travelling mechanism (1) is fixedly connected with the frame (2) through the left supporting seat (27), the middle supporting seat (28) and the right supporting seat (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710489418.7A CN107263076B (en) | 2017-06-24 | 2017-06-24 | Automatic screw up workstation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710489418.7A CN107263076B (en) | 2017-06-24 | 2017-06-24 | Automatic screw up workstation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107263076A CN107263076A (en) | 2017-10-20 |
| CN107263076B true CN107263076B (en) | 2023-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710489418.7A Active CN107263076B (en) | 2017-06-24 | 2017-06-24 | Automatic screw up workstation |
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| CN (1) | CN107263076B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107838652B (en) * | 2017-12-21 | 2024-03-26 | 吉林瑞铭机电设备有限公司 | Automatic tightening machine for inner pull rod of steering gear |
| CN108161424A (en) * | 2017-12-29 | 2018-06-15 | 王建林 | A kind of automatic system and locking method for locking circuit breaker base threaded hole |
| CN107953103B (en) * | 2017-12-29 | 2020-04-03 | 乐清野岛机电有限公司 | Automatic screw locking system compatible with various molded case circuit breaker bases and locking method |
| CN108127388A (en) * | 2017-12-29 | 2018-06-08 | 王建林 | A kind of breaker of plastic casing base threaded hole annular locks production line automatically |
| CN109648503B (en) * | 2019-01-28 | 2024-03-22 | 武汉诺科动力科技有限公司 | Servo lock pair device |
| CN111113012A (en) * | 2020-01-16 | 2020-05-08 | 江苏北人机器人系统股份有限公司 | Screw locking structure of new energy automobile battery case |
| CN114227232A (en) * | 2021-12-15 | 2022-03-25 | 捷飞特（大连）工业技术有限公司 | Movable automatic tightening balance arm device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001162462A (en) * | 1999-12-06 | 2001-06-19 | Kanto Auto Works Ltd | Nut runner device |
| CN204195215U (en) * | 2014-10-14 | 2015-03-11 | 大连豪森设备制造有限公司 | Variable bit tightening mechanism |
| CN104801968B (en) * | 2015-02-13 | 2017-08-22 | 杭州新松机器人自动化有限公司 | Automatic assembly system and its method based on security protection industry camera core component |
| CN205465115U (en) * | 2016-01-04 | 2016-08-17 | 广东省电子技术研究所 | Screw machine of work piece automatically can overturn |
| CN106271571B (en) * | 2016-08-30 | 2018-06-01 | 中航锂电（洛阳）有限公司 | A kind of power module bolt clamp device twisting head selector |
| CN106181347B (en) * | 2016-08-31 | 2018-05-11 | 海门华夏时丽网络科技服务有限公司 | Solenoid valve block installs standby nut device for screwing up |
| CN106514234A (en) * | 2016-12-29 | 2017-03-22 | 天津通广集团专用设备有限公司 | Automatic screw tightening machine |
-
2017
- 2017-06-24 CN CN201710489418.7A patent/CN107263076B/en active Active
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