CN111037273A

CN111037273A - Automatic tightening equipment for foundation nuts

Info

Publication number: CN111037273A
Application number: CN201911395375.1A
Authority: CN
Inventors: 陈耀辉; 王建建
Original assignee: Linyi Haina Electronics Co ltd
Current assignee: Linyi Haina Electronics Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-04-21

Abstract

The invention discloses automatic tightening equipment for a ground nut, and belongs to the technical field of metal part machining. The problem of the packaging efficiency that prior art manual assembly exists low, the tightening torque is unqualified is solved, the automatic equipment of screwing up of rag nut, including setting up rag feed mechanism and the nut feed mechanism on the workstation, still include the rag and move the material mechanism, twist the mechanism in advance, screw up the mechanism and move the charging tray, the rag move the material mechanism, twist the mechanism in advance and screw up the mechanism distribution around moving the charging tray, nut feed mechanism with twist the mechanism in advance adjacent, the rag moves and is equipped with pneumatic clamping jaw in the material mechanism, the take-up (stock) pan of rag feed mechanism is located pneumatic clamping jaw below, pneumatic clamping jaw passes through vertical connecting rod and is connected with telescoping device I. The invention can be used for tightening the anchor nut.

Description

Automatic tightening equipment for foundation nuts

Technical Field

The invention relates to automatic tightening equipment for a ground nut, and belongs to the technical field of metal part machining.

Background

The anchor with the preassembled nut has a wide application range in the market, most of the anchors in the market are preassembled with nuts manually, the problems of low assembly efficiency, unqualified tightening torque and the like exist, and the quality is difficult to ensure.

Therefore, designing an automatic nut screwing device with precise design, high production efficiency, stable production quality and low failure rate, which can meet the requirement of the current preassembled nut anchor, is one of the important problems that the technical personnel in the field need to solve urgently.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide automatic tightening equipment for a ground nut.

Automatic equipment of screwing up of rag nut, including setting up rag feed mechanism and the nut feed mechanism on the workstation, still include the rag and move the material mechanism, twist the mechanism in advance, screw up the mechanism and move the charging tray, the rag move the material mechanism, twist the mechanism in advance and screw up the mechanism distribution around moving the charging tray, nut feed mechanism with twist the mechanism in advance adjacent, the rag moves and is equipped with pneumatic clamping jaw in the material mechanism, the take-up (stock) tray of rag feed mechanism is located pneumatic clamping jaw below, pneumatic clamping jaw is connected with telescoping device I through vertical connecting rod.

Preferably, the longitudinal connecting rod of the ground foot material moving mechanism is connected with a transverse guide rail I arranged on a transverse plate through a sliding block.

Preferably, longitudinal connecting rod and slider between still be equipped with longitudinal rail, be equipped with U type cam groove on the diaphragm, longitudinal connecting rod passes through connecting axle and connecting rod swing joint, the connecting rod passes through pivot and diaphragm swing joint, is equipped with gear wheel and rack toothing in the pivot, rack and I fixed connection of telescoping device.

Preferably, the material moving disc is controlled by a pneumatic divider, the center of the material moving disc is provided with a cylinder I and a cylinder II, the edge of the material moving disc is uniformly provided with a fixture tool, the fixture tool comprises a tool base, one end of the tool base is provided with a foot base, the other end of the tool base is provided with a cover plate, two fingers are arranged between the cover plate and the foot base, and the two fingers are connected with a push-pull rod penetrating through the cover plate.

Preferably, the pre-screwing mechanism comprises a motor and a sleeve I which are arranged on a sliding seat, and the sliding seat is connected with a telescopic device III.

Preferably, the telescopic device III is connected with the transverse guide rail II through a sliding block II, and the sliding block II is connected with the telescopic device II.

Preferably, the automatic equipment of screwing up of rag nut still include feeding agencies, feeding agencies is equipped with the clamping jaw, the clamping jaw passes through transverse connection spare and is connected with the lift cylinder, the lift cylinder passes through vertical connecting piece and is connected with revolving cylinder.

Preferably, the tightening mechanism comprises a fixed torque motor and a sleeve II, wherein the fixed torque motor and the sleeve II are arranged on the sliding table.

Preferably, the tightening mechanism further includes a detection unit.

Preferably, the material taking mechanism further comprises a conveying line.

The transverse plate is also provided with a buffer seat. And the pre-screwing mechanism and the screwing mechanism are both provided with buffer seats. The mechanism is used for absorbing impact force generated when the mechanism moves downwards and protecting equipment.

The ground foot material moving mechanism, the nut feeding mechanism, the pre-screwing mechanism, the screwing mechanism and the material taking mechanism are all fixed on the workbench through the support, and the workbench at the periphery of the support is further provided with an adjusting block.

Compared with the prior art, the invention has the beneficial effects that:

the invention automatically finishes the whole process from feeding the ground feet to pre-screwing the nuts and then screwing the nuts, automatically feeds the ground feet, automatically outputs finished products, does not need manual assembly, avoids the problems of low manual assembly efficiency, unqualified screwing torque and the like, effectively improves the working efficiency, can freely set torsion parameters, greatly improves the product quality and stability, simultaneously realizes full-automatic production, saves a large amount of labor cost and can meet the production requirement of the current ground foot screwing nuts.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the ground foot feeding mechanism;

FIG. 3 is a rear view of the ground pin loading mechanism;

FIG. 4 is a schematic structural view of the pre-screwing mechanism;

FIG. 5 is a schematic view of the transverse and longitudinal movement of the pre-screwing mechanism;

FIG. 6 is a schematic view of the structure of the material moving tray;

FIG. 7 is a schematic view of the fixture tooling structure;

FIG. 8 is a schematic view of the tightening mechanism;

FIG. 9 is a schematic view of the take-off mechanism;

wherein, 1, a receiving tray; 2. a ground foot material moving mechanism; 3. a nut feeding mechanism; 4. a pre-screwing mechanism; 5. a tightening mechanism; 6. moving a material tray; 7. a material taking mechanism; 8. a fixture tool; 9. a pneumatic separator; 10. a cylinder I; 11. a telescopic rod I; 12. a cylinder II; 13. a telescopic rod II; 14. two fingers clamping jaws; 15. a push-pull rod; 16. a cover plate; 17. a tooling base; 18. a ground foot seat; 19. a connecting shaft; 20. a telescopic device I; 21. a U-shaped cam groove; 22. a buffer seat; 23. a connecting rod; 24. a transverse guide rail I; 25. a longitudinal guide rail; 26. a longitudinal link; 27. a pneumatic clamping jaw; 28. a slider; 29. a transverse plate; 30. an adjusting block; 31. a rotating shaft; 32. a rack; 33. a gear; 34. a telescopic device II; 35. a motor; 36. a sleeve I; 37. a slide base; 38. a transverse guide rail II; 39. a telescoping device III; 40. a fixed-torque motor; 41. a sleeve II; 42. a detection unit; 43. a lifting cylinder; 44. a clamping jaw; 45. a rotating cylinder; 46. a conveying line; 47. a transverse connector; 48. a longitudinal connector; 49. a sliding table; 50. and a sliding block II.

Detailed Description

The present invention is further illustrated by the following specific examples.

Example 1

Automatic equipment of screwing up of rag nut, including setting up rag feed mechanism and nut feed mechanism 3 on the workstation, still include the rag and move material mechanism 2, twist mechanism 4 in advance, screw up mechanism 5 and move the charging tray 6, the rag move material mechanism 2, twist mechanism 4 in advance and screw up 5 distributions of mechanism and move around the charging tray 6, nut feed mechanism 3 with twist mechanism 4 in advance adjacent, the rag moves and is equipped with pneumatic clamping jaw 27 on the material mechanism 2, the take-up (stock) pan 1 of rag feed mechanism is located pneumatic clamping jaw 27 below, pneumatic clamping jaw 27 is connected with telescoping device I20 through vertical connecting rod 26.

Example 2

Automatic equipment of screwing up of rag nut, including setting up rag feed mechanism and nut feed mechanism 3 on the workstation, still include the rag and move material mechanism 2, twist mechanism 4 in advance, screw up mechanism 5 and move the charging tray 6, the rag move material mechanism 2, twist mechanism 4 in advance and screw up 5 distribution of mechanism and move around the charging tray 6, nut feed mechanism 3 with twist mechanism 4 in advance adjacent, the rag moves and is equipped with pneumatic clamping jaw 27 on the material mechanism 2, the take-up (stock) pan 1 of rag feed mechanism is located pneumatic clamping jaw 27 below, pneumatic clamping jaw 27 is connected with telescoping device I20 through vertical connecting rod 26, vertical connecting rod 26 is connected with the transverse guide I24 that sets up on diaphragm 29 through slider 28. The telescopic device is characterized in that a longitudinal guide rail 25 is further arranged between the longitudinal connecting rod 26 and the sliding block 28, a U-shaped cam groove 21 is formed in the transverse plate 29, the longitudinal connecting rod 26 is movably connected with the connecting rod 23 through a connecting shaft 19, the connecting rod 23 is movably connected with the transverse plate 29 through a rotating shaft 31, a gear 33 is arranged on the rotating shaft 31, the gear 33 is meshed with a rack 32, and the rack 32 is fixedly connected with the telescopic device I20.

Example 3

The material moving disc 6 is controlled by a pneumatic divider 9, a cylinder I10 and a cylinder II 12 which are fixed on a workbench are arranged in the center of the material moving disc 6, fixture tools 8 are uniformly distributed on the edge of the material moving disc 6, each fixture tool 8 comprises a tool base 17, a foot base 18 is arranged at one end of each tool base 17, a cover plate 16 is arranged at the other end of each tool base 17, two-finger clamping jaws 14 are arranged between the cover plates 16 and the foot bases 18, and the two-finger clamping jaws 14 are connected with a push-pull rod 15 penetrating through the cover plates 16.

The pre-screwing mechanism 4 comprises a motor 35 and a sleeve I36 which are arranged on a sliding seat 37, the sliding seat 37 is connected with a telescopic device III 39, the telescopic device III 39 is connected with a transverse guide rail II 38 through a sliding block II 50, and the sliding block II 50 is connected with a telescopic device II 34. The tightening mechanism 5 includes a fixed torque motor 40 and a sleeve ii 41 provided on a slide table 49, and a detection unit 42.

Automatic equipment of screwing up of rag nut still include feeding agencies 7, feeding agencies 7 is equipped with clamping jaw 44, clamping jaw 44 is connected with lift cylinder 43 through transverse connection spare 47, lift cylinder 43 is connected with revolving cylinder 45 through vertical connecting piece 48. The take off mechanism 7 also includes a feed line 46.

As shown in fig. 1, the invention comprises a ground foot feeding mechanism and a nut feeding mechanism 3 which are arranged on a workbench, and further comprises a ground foot moving mechanism 2, a pre-screwing mechanism 4, a screwing mechanism 5 and a moving plate 6, wherein the ground foot moving mechanism 2, the pre-screwing mechanism 4 and the screwing mechanism 5 are distributed around the moving plate 6, the nut feeding mechanism 3 is adjacent to the pre-screwing mechanism 4, the ground foot moving mechanism 2 is provided with a pneumatic clamping jaw 27, and the receiving plate 1 of the ground foot feeding mechanism is positioned below the pneumatic clamping jaw 27.

As shown in fig. 2 and 3, the pneumatic gripper 27 is fastened to a longitudinal link 26, which longitudinal link 26 is connected via a slide 28 to a transverse guide i 24 arranged on a transverse plate 29. The telescopic device is characterized in that a longitudinal guide rail 25 is further arranged between the longitudinal connecting rod 26 and the sliding block 28, a U-shaped cam groove 21 is formed in the transverse plate 29, the longitudinal connecting rod 26 is movably connected with the connecting rod 23 through a connecting shaft 19, the connecting rod 23 is movably connected with the transverse plate 29 through a rotating shaft 31, a gear 33 is arranged on the rotating shaft 31, the gear 33 is meshed with a rack 32, and the rack 32 is fixedly connected with the telescopic device I20.

When the pneumatic clamping jaw type material receiving tray is used, firstly, the pneumatic clamping jaw 27 grabs the ground feet on the material receiving tray 1, the telescopic device I20 is started to drive the rack 32 to move horizontally, the gear 33 is meshed with the rack 32, the gear 33 is fixed on the rotating shaft 31, so that the rotating shaft 31 starts to rotate, the connecting rod 23 is movably connected with the transverse plate 29 through the rotating shaft 31, the longitudinal connecting rod 26 is movably connected with the connecting rod 23 through the connecting shaft 19, so that the connecting shaft 19 moves upwards along the U-shaped cam groove 21, and the longitudinal connecting rod 26 drives the pneumatic clamping jaw 27 to move upwards along the longitudinal guide; the telescopic device I20 continues to act, the rotating shaft 31 continues to rotate, the connecting shaft 19 moves horizontally along the U-shaped cam groove 21, and the longitudinal connecting rod 26 drives the pneumatic clamping jaw 27 to move horizontally along the transverse guide rail I24; the expansion device I20 continues to act, the rotating shaft 31 continues to rotate, the connecting shaft 19 moves downwards along the U-shaped cam groove 21, the longitudinal connecting rod 26 drives the pneumatic clamping jaw 27 to move downwards along the longitudinal guide rail 25, so that the feet on the pneumatic clamping jaw 27 are sent to the foot seat 18 of the fixture tool 8, the material moving process is completed, the expansion device I20 completes one expansion action, and the pneumatic clamping jaw 27 completes one process of taking the feet from the material receiving disc 1, placing the feet into the fixture tool 8 and returning. The action track of the pneumatic clamping jaw 27 is an inverted U shape, and the upward action can avoid the clamp tool 8 from scratching the ground margin.

As shown in fig. 6 and 7, the material moving disc 6 is controlled by the pneumatic divider 9, the angle of one-time action rotation can be controlled as required, and the ground material moving mechanism 2, the pre-screwing mechanism 4, the screwing mechanism 5 and the material taking mechanism 7 are arranged around the material moving disc 6 according to actual conditions. Move the charging tray 6 center and be equipped with cylinder I10 and cylinder II 12 of fixing on the workstation, when moving charging tray 6 and rotate, cylinder I10 and cylinder II 12 are not along with moving charging tray 6 is rotatory, move the 6 marginal equipartition anchor clamps frock 8 of charging tray, anchor clamps frock 8 includes fixture base 17, and fixture base 17 one end is equipped with foot seat 18, and the other end is equipped with apron 16, is equipped with two finger clamping jaw 14 between apron 16 and foot seat 18, and two finger clamping jaw 14 are connected with the push-and-pull rod 15 that runs through apron 16. The anchor is placed on an anchor seat 18 of the fixture tool 8 by the anchor moving mechanism 2, the moving disc 6 rotates, when the fixture tool 8 with the anchor rotates to the position of the air cylinder I10, the push-pull rod 15 is pushed towards the anchor by an expansion rod I11 of the air cylinder I10, the two-finger clamping jaws 14 are pushed onto the anchor, so that the anchor is fixed, the anchor is fixed on the anchor seat 18 of the fixture tool 8, and the anchor is fixed so as to avoid the rotation of the anchor in the pre-screwing and screwing processes; after the nuts are pre-screwed by the pre-screwing mechanism 4 and the nuts are screwed by the screwing mechanism 5, the ground feet rotate to the air cylinder II 12 along with the clamp tool 8, the telescopic rod II 13 of the air cylinder II 12 pulls the push-pull rod 15 to the opposite direction of the ground feet, so that the two-finger clamping jaw 14 is moved down from the ground feet, and the follow-up material taking mechanism 7 can conveniently continue to move to take down the ground feet.

As shown in fig. 4 and 5, the pre-screwing mechanism 4 is adjacent to the nut feeding mechanism 3, the nut feeding mechanism 3 is used for conveying nuts to the pre-screwing mechanism 4, the pre-screwing mechanism 4 comprises a motor 35 and a sleeve i 36 which are arranged on a sliding seat 37, the sliding seat 37 is connected with a telescopic device iii 39, the telescopic device iii 39 is connected with a transverse guide rail ii 38 through a sliding block ii 50, and the sliding block ii 50 is connected with a telescopic device ii 34. The motor 35 and the sleeve I36 of the pre-screwing mechanism 4 can move up and down when the telescopic device III 39 is operated, and can move horizontally along the transverse guide rail II 38 when the telescopic device II 34 is operated. Sleeve I36 is the suction sleeve, in operation, the anchor clamps frock 8 that is fixed with the lower margin is rotatory to screwing up 4 below in advance, sleeve I36 absorbs the nut, then telescoping device III 39 moves, sleeve I36 that absorbs the nut shifts up along with it, telescoping device II 34 moves immediately, I36 horizontal migration of sleeve that absorbs the nut to the anchor clamps frock 8 top that is fixed with the lower margin, telescoping device III 39 continues the action, the nut contacts with the lower margin, the action of motor 35, twist the nut on the lower margin, move material dish 6 action, the lower margin that will have screwed up the nut in advance is rotatory to screwing up 5 below in advance.

As shown in fig. 8, the tightening mechanism 5 includes a constant-torque motor 40 and a sleeve ii 41 provided on a slide table 49. When the anchor screwed with the nut is rotated to the lower part of the screwing mechanism 5, the sliding table 49 drives the fixed-torque motor 40 and the sleeve II 41 to move downwards, the fixed-torque motor 40 is started, the nut is screwed to the set torque, and the screwing mechanism 5 further comprises a detection unit 42 for detecting the anchor in place.

As shown in fig. 9, the material taking mechanism 7 is provided with a clamping jaw 44, the clamping jaw 44 is connected with the lifting cylinder 43 through a transverse connecting piece 47, and the lifting cylinder 43 is connected with the rotating cylinder 45 through a longitudinal connecting piece 48. The take off mechanism 7 also includes a feed line 46. The tightened anchor rotates to an air cylinder II 12 along with the fixture tool 8, a telescopic rod II 13 of the air cylinder II 12 pulls a push-pull rod 15 in the opposite direction of the anchor, so that two fingers of clamping jaws 14 move down from the anchor, the material moving disc 6 moves, the fixture tool 8 is moved to the position below the material taking mechanism 7, then the lifting air cylinder 43 moves, the clamping jaws 44 grab the anchor with the nut, the lifting air cylinder 43 drives the anchor to ascend, the air cylinder 45 rotates to the conveying line 46, the clamping jaws 44 loosen the anchor, the anchor with the nut tightened is conveyed out through the conveying line 46, and the complete automatic nut screwing motion of the anchor is completed.

Claims

1. The utility model provides an automatic equipment of screwing up of ground foot nut, is including setting up lower margin feed mechanism and nut feed mechanism (3) on the workstation, its characterized in that: still include lower margin moving mechanism (2), screw up mechanism (4), screw up mechanism (5) and moving dish (6) in advance, lower margin moving mechanism (2), screw up mechanism (4) in advance and screw up mechanism (5) and distribute around moving dish (6), nut feed mechanism (3) and screw up mechanism (4) in advance are adjacent, the lower margin is equipped with pneumatic clamping jaw (27) on moving mechanism (2), and lower margin feed mechanism's take-up (1) is located pneumatic clamping jaw (27) below, and pneumatic clamping jaw (27) are connected with telescoping device I (20) through vertical connecting rod (26).

2. The automatic tightening apparatus of an anchor nut according to claim 1, wherein: and a longitudinal connecting rod (26) of the ground foot material moving mechanism (2) is connected with a transverse guide rail I (24) arranged on a transverse plate (29) through a sliding block (28).

3. The automatic tightening apparatus of an anchor nut according to claim 2, wherein: longitudinal connecting rod (26) and slider (28) between still be equipped with longitudinal rail (25), be equipped with U type cam groove (21) on diaphragm (29), longitudinal connecting rod (26) are through connecting axle (19) and connecting rod (23) swing joint, connecting rod (23) are through pivot (31) and diaphragm (29) swing joint, are equipped with gear (33) on pivot (31), gear (33) and rack (32) meshing, rack (32) and telescoping device I (20) fixed connection.

4. The automatic tightening apparatus of an anchor nut according to any one of claims 1 to 3, wherein: the material moving plate (6) is controlled by a pneumatic divider (9), a cylinder I (10) and a cylinder II (12) which are fixed on a workbench are arranged at the center of the material moving plate (6), fixture tools (8) are uniformly distributed on the edge of the material moving plate (6), each fixture tool (8) comprises a tool base (17), one end of each tool base (17) is provided with a ground foot seat (18), the other end of each tool base (17) is provided with a cover plate (16), two-finger clamping jaws (14) are arranged between the cover plate (16) and the ground foot seats (18), and the two-finger clamping jaws (14) are connected with a push-pull rod (15) penetrating through the cover plate.

5. The automatic tightening apparatus of an anchor nut according to claim 1, wherein: the pre-screwing mechanism (4) comprises a motor (35) and a sleeve I (36) which are arranged on a sliding seat (37), and the sliding seat (37) is connected with a telescopic device III (39).

6. The automatic tightening apparatus of an anchor nut according to claim 5, wherein: the telescopic device III (39) is connected with the transverse guide rail II (38) through a sliding block II (50), and the sliding block II (50) is connected with the telescopic device II (34).

7. The automatic tightening apparatus for an anchor nut according to any one of claims 1 to 3 or 5 to 6, wherein: still include feeding agencies (7), feeding agencies (7) are equipped with clamping jaw (44), and clamping jaw (44) are connected with lift cylinder (43) through transverse connection spare (47), and lift cylinder (43) are connected with revolving cylinder (45) through vertical connecting piece (48).

8. The automatic tightening apparatus of an anchor nut according to claim 7, wherein: the tightening mechanism (5) comprises a fixed-torque motor (40) arranged on the sliding table (49) and a sleeve II (41).

9. The automatic tightening apparatus of an anchor nut according to claim 8, wherein: the tightening mechanism (5) further comprises a detection unit (42).

10. The automatic tightening apparatus of an anchor nut according to claim 7, wherein: the material taking mechanism (7) further comprises a conveying line (46).