CN215657453U

CN215657453U - Tool for connecting strip steel of automatic punching machine

Info

Publication number: CN215657453U
Application number: CN202122308393.0U
Authority: CN
Inventors: 胡正科
Original assignee: Wuxi Jiake Metal Products Co ltd
Current assignee: Wuxi Jiake Metal Products Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-01-28
Anticipated expiration: 2031-09-23

Abstract

The utility model relates to a tool for connecting strip steel of an automatic punching machine, which comprises a first steel plate and a second steel plate, wherein a clamping device, a feeding device and a connecting device are arranged on the first steel plate, the feeding device comprises a base, a supporting table, a first motor, a first moving block and a first lead screw, the supporting table and the first motor are arranged on the base, the first moving block is connected with the base in a sliding mode, one end of the first lead screw is connected with the first motor, and the other end of the first lead screw penetrates through the first moving block and is connected with the supporting table in a rotating mode and is in threaded connection with the first moving block. According to the utility model, by arranging the clamping device, the second motor can drive the second lead screw and the third lead screw to rotate together, and the second moving block and the third moving block are driven to move towards the first steel plate and the second steel plate together through opposite thread directions of the second lead screw and the third lead screw, so that the central lines of the two steel plates are overlapped.

Description

Tool for connecting strip steel of automatic punching machine

Technical Field

The utility model relates to the technical field of strip steel connecting devices, in particular to a tool for connecting strip steel of an automatic punching machine.

Background

In the production process of the automatic punching machine, when one roll of steel strip is used, the machine needs to be stopped to replace the next roll of steel strip.

Patent No. CN202021769186.4 discloses an improved hot-dip galvanized steel strip connecting structure, in this patent, two steel strips are directly welded, which takes a long time and causes a long time shutdown of a punching machine; in addition, the welding is difficult to be carried out near the automatic punching machine due to the limitation of the field; meanwhile, the welding strength is easily influenced by temperature, and when the temperature is too high, the welding strength can be broken to influence continuous feeding.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the problems in the prior art, the utility model provides a tool for connecting strip steel of an automatic punching machine, which aims to solve the technical problems in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a tool for connecting strip steel of an automatic punching machine comprises a first steel plate and a second steel plate, wherein a clamping device, a feeding device and a connecting device are arranged on the first steel plate, the feeding device comprises a base, a supporting table, a first motor, a first movable block and a first lead screw, the supporting table and the first motor are arranged on the base, the first movable block is connected with the base in a sliding mode, one end of the first lead screw is connected with the first motor, and the other end of the first lead screw penetrates through the first movable block and is connected with the supporting table in a rotating mode and is in threaded connection with the first movable block; the clamping device comprises a second motor, a second moving block, a third moving block, a second lead screw and a third lead screw, the second motor is arranged on the first moving block, the second moving block and the third moving block are respectively sleeved outside the second lead screw and the third lead screw in a threaded manner, the second lead screw is connected with the third lead screw, the other end of the second lead screw is connected with the second motor, and the other end of the third lead screw is connected with the first moving block.

Preferably, the connecting device comprises a punching mechanism and a flanging mechanism, the punching mechanism comprises a first fixed plate, a first movable plate, a second movable plate, a pressing plate, a first hydraulic cylinder, a second hydraulic cylinder, a connecting rod, a first punching needle and a second punching needle, the first hydraulic cylinder is arranged on the lower surface of the first fixed plate, the telescopic end of the first hydraulic cylinder is connected with the upper surface of the first movable plate, the second hydraulic cylinder is arranged on the upper surface of the first movable plate, the telescopic end of the second hydraulic cylinder penetrates through the first movable plate and is connected with the second movable plate, one end of the connecting rod is connected with the first movable plate, the other end of the connecting rod penetrates through the second movable plate and is connected with the pressing plate, and the first punching needle and the second punching needle are both connected with the lower surface of the second movable plate. The design of punching mechanism can carry out the cross to first steel sheet earlier and punch a hole, punch a hole complex quad slit with the cross to the die-cut of second steel sheet.

Preferably, the flanging mechanism comprises a second fixed plate, a third hydraulic cylinder, a third movable plate, a third punching needle, a fourth punching needle and a fourth hydraulic cylinder, the second fixed plate is detachably connected with the lower surface of the base through a bolt, the third hydraulic cylinder is arranged on the upper surface of the second fixed plate, a telescopic end of the third hydraulic cylinder is connected with the lower surface of the third movable plate, the third punching needle is arranged on the upper surface of the third movable plate, the fourth punching needle is arranged on the lower surface of the second movable plate, the fourth hydraulic cylinder is arranged on the first movable plate, and the telescopic end of the fourth hydraulic cylinder penetrates through the first movable plate and is connected with the second movable plate and the fourth punching needle. The design of turn-ups mechanism can align cross hole on the first steel sheet and the square hole on the second steel sheet, carries out the turn-ups riveting to four angles of cross hole at the upper surface of second steel sheet, realizes that first steel sheet and second steel sheet are connected.

In a further preferred mode, the support table and the pressing plate are provided with punched holes matched with the first punching pin, the second punching pin, the third punching pin and the fourth punching pin. The design of punching is convenient for first punching needle, second punching needle, third punching needle and fourth punching needle to die cut or turn-ups.

Preferably, the first fixed plate is provided with a first guide rod, the other end of the first guide rod penetrates through the first moving plate and is slidably connected with the first moving plate, the second fixed plate is provided with a second guide rod, and the other end of the second guide rod penetrates through the third moving plate and is slidably connected with the third moving plate. The first guide rod and the second guide rod are designed to enable the moving directions of the first moving plate and the third moving plate to be fixed.

Preferably, the second moving block and the third moving block are provided with clamping grooves matched with the first steel plate and the second steel plate. The design of draw-in groove can be convenient for press from both sides first steel sheet and second steel sheet joint tightly.

In a further preferred embodiment, the thread directions of the second threaded spindle and the third threaded spindle are opposite. This design can drive second lead screw and third lead screw through the second motor and rotate together, and then drive second movable block and third movable block and be close to or keep away from to first steel sheet and second steel sheet simultaneously.

Preferably, the base is provided with a first dovetail groove, the first moving block is provided with a first dovetail block matched with the first dovetail groove, the first moving block is provided with a second dovetail groove, and the second moving block and the third moving block are provided with a second dovetail block matched with the second dovetail groove. With this arrangement, the moving directions of the first moving block, the second moving block, and the third moving block can be fixed.

In a further preferred embodiment, the clamping devices are provided in two groups and are connected to the first steel plate and the second steel plate, respectively. This design can be convenient for press from both sides tightly first steel sheet and second steel sheet.

In a further preferred mode, four sets of the first motor, the first moving block and the first lead screw are provided, and four first motors are slidably connected with the two second moving blocks and the two third moving blocks respectively. The design can be convenient for the first steel plate and the second steel plate to move.

Preferably, the base is provided with a limiting block, and the limiting block and the base are detachably connected through a bolt.

(III) advantageous effects

Compared with the prior art, the utility model provides a tool for connecting the strip steel of the automatic punching machine, which has the following beneficial effects:

according to the utility model, by arranging the clamping device, the second screw rod and the third screw rod can be driven to rotate together by the second motor, and the second moving block and the third moving block are driven to move towards the first steel plate and the second steel plate together by the opposite thread directions of the second screw rod and the third screw rod, so that the central lines of the two steel plates are overlapped; in addition, the first steel plate and the second steel plate can be punched firstly and then turned over and riveted through the feeding device; meanwhile, through the connecting device, the first steel plate can be subjected to cross punching, the second steel plate is punched, the hole site after the cross punching is aligned to the hole site of the second steel plate, and four corners of the cross hole site on the first steel plate are subjected to flanging riveting through the flanging mechanism, so that the first steel plate is connected with the second steel plate.

Drawings

FIG. 1 is a schematic view showing the overall structure of a tool for automatic strip steel joining by press according to the present invention;

FIG. 2 is an exploded view of the overall structure of the present invention;

FIG. 3 is a partial schematic view of the area A in FIG. 2 according to the present invention;

FIG. 4 is a partial schematic view of the area B in FIG. 2 according to the present invention;

fig. 5 is a schematic structural view of a punching hole in the support plate according to the present invention.

In the figure: 1. a first steel plate; 2. a second steel plate; 3. a base; 4. a support table; 5. a first motor; 6. a first moving block; 7. a first lead screw; 8. a second motor; 9. a second moving block; 10. a third moving block; 11. a second lead screw; 12. a third lead screw; 13. a first fixing plate; 14. a first moving plate; 15. a second moving plate; 16. pressing a plate; 17. a first hydraulic cylinder; 18. a second hydraulic cylinder; 19. a connecting rod; 20. a first punch pin; 21. a second punch pin; 22. a second fixing plate; 23. a third hydraulic cylinder; 24. a third moving plate; 25. a third punching needle; 26. a fourth punch pin; 27. a fourth hydraulic cylinder; 28. punching; 29. a first guide bar; 30. a second guide bar; 31. a card slot; 32. a first dovetail groove; 33. a first dovetail block; 34. a second dovetail groove; 35. a second dovetail block; 36. and a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1:

referring to fig. 1-5, a tool for connecting strip steel of an automatic punching machine comprises a first steel plate 1 and a second steel plate 2, wherein a clamping device, a feeding device and a connecting device are arranged on the first steel plate 1, the feeding device comprises a base 3, a supporting table 4, a first motor 5, a first moving block 6 and a first lead screw 7, the supporting table 4 and the first motor 5 are both arranged on the base 3, the first moving block 6 is slidably connected with the base 3, one end of the first lead screw 7 is connected with the first motor 5, and the other end of the first lead screw penetrates through the first moving block 6 and is rotatably connected with the supporting table 4 and is in threaded connection with the first moving block 6; the clamping device comprises a second motor 8, a second moving block 9, a third moving block 10, a second lead screw 11 and a third lead screw 12, the second motor 8 is arranged on the first moving block 6, the second moving block 9 and the third moving block 10 are respectively sleeved outside the second lead screw 11 and the third lead screw 12 in a threaded manner, the second lead screw 11 is connected with the third lead screw 12, the other end of the second lead screw 11 is connected with the second motor 8, and the other end of the third lead screw 12 is connected with the first moving block 6. The base 3 is provided with a first dovetail groove 32, the first moving block 6 is provided with a first dovetail block 33 matched with the first dovetail groove 32, the first moving block 6 is provided with a second dovetail groove 34, and the second moving block 9 and the third moving block 10 are provided with a second dovetail block 35 matched with the second dovetail groove 34. Four groups of first motors 5, first moving blocks 6 and first lead screws 7 are arranged, and the four first moving blocks 6 are slidably connected with two second moving blocks 9 and two third moving blocks 10 respectively. The base 3 is provided with a limiting block 36, and the limiting block 36 and the base 3 are detachably connected through a bolt.

In this embodiment, the connecting device includes a punching mechanism and a flanging mechanism, the punching mechanism includes a first fixing plate 13, a first moving plate 14, a second moving plate 15, a pressing plate 16, a first hydraulic cylinder 17, a second hydraulic cylinder 18, a connecting rod 19, a first punching pin 20 and a second punching pin 21, the first hydraulic cylinder 17 is disposed on the lower surface of the first fixing plate 13, and the telescopic end is connected to the upper surface of the first moving plate 14, the second hydraulic cylinder 18 is disposed on the upper surface of the first moving plate 14, and the telescopic end penetrates through the first moving plate 14 and the second moving plate 15 to be connected, one end of the connecting rod 19 is connected to the first moving plate 14, the other end penetrates through the second moving plate 15 and the pressing plate 16 to be connected, and the first punching pin 20 and the second punching pin 21 are both connected to the lower surface of the second moving plate 15. The supporting table 4 and the pressing plate 16 are provided with punching holes 28 which are matched with the first punching needle 20, the second punching needle 21, the third punching needle 25 and the fourth punching needle 26. When the punching device is used, the first steel plate 1 and the second steel plate 2 are placed on the supporting table 4 and are respectively located below the first punching pin 20 and the second punching pin 21, the first hydraulic cylinder 17 is started to drive the first moving plate 14 to move downwards until the pressing plate 16 is contacted with the first steel plate 1 and the second steel plate 2, the second hydraulic cylinder 18 is started to drive the second moving plate 15 to move downwards, and further the first punching pin 20 and the second punching pin 21 are driven to penetrate through the punching hole 28 to punch the first steel plate 1 and the second steel plate 2, the first punching pin 20 is a cross punch, punched holes in the first steel plate 1 are cross holes, the second punching pin 21 is a square punch, and punched holes in the second steel plate 2 are square holes matched with the cross holes.

In this embodiment, the flanging mechanism includes a second fixed plate 22, a third hydraulic cylinder 23, a third moving plate 24, a third punch pin 25, a fourth punch pin 26 and a fourth hydraulic cylinder 27, the second fixed plate 22 is detachably connected to the lower surface of the base 3 by bolts, the third hydraulic cylinder 23 is disposed on the upper surface of the second fixed plate 22, and the telescopic end is connected to the lower surface of the third moving plate 24, the third punch pin 25 is disposed on the upper surface of the third moving plate 24, the fourth punch pin 26 is disposed on the lower surface of the second moving plate 15, the fourth hydraulic cylinder 27 is disposed on the first moving plate 14, and the telescopic end penetrates through the first moving plate 14 and the second moving plate 15 and the fourth punch pin 26 are connected. In use, the press plate 16 is positioned above the first steel plate 1 and the second steel plate 2, the first steel plate 1 is positioned below the second steel plate 2, and the cross hole on the first steel plate 1 is aligned with the square hole on the second steel plate 2, the third hydraulic cylinder 23 is started to drive the third moving plate 24 to move upwards, the third punching pin 25 penetrates through the punching hole 28 to extrude the four corners of the cross hole upwards for flanging, when four angles are in the vertical state, the third punching pin 25 moves downwards, the pressing plate 16 moves upwards, the fourth hydraulic cylinder 27 is started to drive the fourth punching pin 26 to move downwards, the punching hole 28 is penetrated, the four angles in the vertical state are extruded outwards, the included angles between the surfaces of the four angles and the second steel plate 2 are acute angles, the first hydraulic cylinder 17 is started to drive the pressing plate 16 to move downwards, the four angles are pressed downwards, and the four angles are in contact riveting with the upper surface of the second steel plate 2.

In this embodiment, the first fixed plate 13 is provided with a first guide rod 29, the other end of the first guide rod 29 penetrates through the first moving plate 14 and is slidably connected with the first moving plate 14, the second fixed plate 22 is provided with a second guide rod 30, and the other end of the second guide rod 30 penetrates through the third moving plate 24 and is slidably connected with the third moving plate 24. In use, the first moving plate 14 and the third moving plate 24 are guided by the first guide bar 29 and the second guide bar 30 during movement.

In this embodiment, the second moving block 9 and the third moving block 10 are both provided with a locking groove 31 which is matched with the first steel plate 1 and the second steel plate 2. The thread directions of the second lead screw 11 and the third lead screw 12 are opposite. The clamping devices are provided with two groups and are respectively connected with the first steel plate 1 and the second steel plate 2. When the steel plate is used, the two sides of the first steel plate 1 and the second steel plate 2 are placed in the clamping groove 31, the second motor 8 is started, the second lead screw 11 and the third lead screw 12 are driven to rotate together, and the second moving block 9 and the third moving block 10 can be driven to move together towards the first steel plate 1 and the second steel plate 2 due to the fact that the thread directions of the second lead screw 11 and the third lead screw 12 are opposite.

Example 2:

in summary, when in use, the distance between the fourth punch pin 26 and the first punch pin 20 is equal to the distance between the fourth punch pin 26 and the second punch pin 21, four limit blocks 36 are provided, the distances from the four limit blocks 36 to the support table 4 are equal, and the distances from the first punch pin 20 to the fourth punch pin 26 are equal, one sides of the four first moving blocks 6 are in contact with the limit blocks 36, the first steel plate 1 and the second steel plate 2 respectively pass through the slots 31 of the two sets of clamping devices, and one ends of the first steel plate 1 and the second steel plate 2 are respectively placed below the first punch pin 20 and the second punch pin 21, the second motor 8 is started to drive the second lead screw 11 and the third lead screw 12 to rotate together, and further drive the second moving block 9 and the third moving block 10 to move together towards the first steel plate 1 and the second steel plate 2 along the direction of the second dovetail groove 34, clamp the first hydraulic cylinder 17 is started to drive the first moving plate 14 to move downwards until the pressing plate 16 is in contact with the first steel plate 1 and the second steel plate 2, the second hydraulic cylinder 18 is started to drive the second moving plate 15 to move downwards, and then the first punching pin 20 and the second punching pin 21 are driven to penetrate through the punching hole 28 to punch the first steel plate 1 and the second steel plate 2, the first punching pin 20 is a cross punch, a punched hole on the first steel plate 1 is a cross hole, the second punching pin 21 is a square punch, and a punched hole on the second steel plate 2 is a square hole matched with the cross hole.

Example 3:

in conclusion, when the device is used, the first motor 5 is started to drive the first lead screw 7 to rotate, so as to drive the first moving block 6 to move towards the supporting table 4 along the direction of the first dovetail groove 32 until the first moving block 6 contacts with the supporting table 4, at this time, the cross hole on the first steel plate 1 and the square hole on the second steel plate 2 are located above the third punch pin 25, the first steel plate 1 is located below the second steel plate 2, the first hydraulic cylinder 17 is started to drive the pressing plate 16 to move downwards until the first hydraulic cylinder contacts with the upper surface of the second steel plate 2, the third hydraulic cylinder 23 is started to drive the third moving plate 24 to move upwards, the third punch pin 25 penetrates through the punched hole 28 to extrude the four corners of the cross hole upwards for flanging, when the four corners are in a vertical state, the third hydraulic cylinder 23 and the first hydraulic cylinder 17 drive the third punch pin 25 to move downwards, and the pressing plate 16 moves upwards, the fourth hydraulic cylinder 27 is started to drive the fourth punching needle 26 to move downwards, the fourth punching needle passes through the punching hole 28, four corners of the vertical state are extruded towards the outer side, the included angle between the surfaces of the four corners and the second steel plate 2 is an acute angle, the fourth punching needle 26 is driven to move upwards through the fourth hydraulic cylinder 27, the first hydraulic cylinder 17 is started again, the first hydraulic cylinder drives the pressing plate 16 to move downwards, the four corners are pressed downwards, and the fourth hydraulic cylinder and the upper surface of the second steel plate 2 are in contact riveting.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a instrument for automatic punch press belted steel is connected, includes first steel sheet (1) and second steel sheet (2), its characterized in that: the feeding device comprises a base (3), a supporting table (4), a first motor (5), a first moving block (6) and a first lead screw (7), the supporting table (4) and the first motor (5) are both arranged on the base (3), the first moving block (6) is slidably connected with the base (3), one end of the first lead screw (7) is connected with the first motor (5), and the other end of the first lead screw penetrates through the first moving block (6) and is rotatably connected with the supporting table (4) and is in threaded connection with the first moving block (6); the clamping device comprises a second motor (8), a second moving block (9), a third moving block (10), a second lead screw (11) and a third lead screw (12), the second motor (8) is arranged on the first moving block (6), the second moving block (9) and the third moving block (10) are respectively sleeved outside the second lead screw (11) and the third lead screw (12) in a threaded manner, the second lead screw (11) is connected with the third lead screw (12), the other end of the second lead screw (11) is connected with the second motor (8), and the other end of the third lead screw (12) is connected with the first moving block (6).

2. The tool of claim 1, wherein the tool further comprises: the connecting device comprises a punching mechanism and a flanging mechanism, the punching mechanism comprises a first fixing plate (13), a first moving plate (14), a second moving plate (15), a pressing plate (16), a first hydraulic cylinder (17), a second hydraulic cylinder (18), a connecting rod (19), a first punching needle (20) and a second punching needle (21), the first hydraulic cylinder (17) is arranged on the lower surface of the first fixing plate (13), the telescopic end of the first hydraulic cylinder is connected with the upper surface of the first moving plate (14), the second hydraulic cylinder (18) is arranged on the upper surface of the first moving plate (14), the telescopic end of the first hydraulic cylinder penetrates through the first moving plate (14) and the second moving plate (15) to be connected, one end of the connecting rod (19) is connected with the first moving plate (14), the other end of the connecting rod penetrates through the second moving plate (15) and the pressing plate (16) to be connected, and the first punching needle (20) and the second punching needle (21) are connected with the lower surface of the second moving plate (15).

3. The tool of claim 2, wherein the tool further comprises: the flanging mechanism comprises a second fixing plate (22), a third hydraulic cylinder (23), a third moving plate (24), a third punching needle (25), a fourth punching needle (26) and a fourth hydraulic cylinder (27), the second fixing plate (22) is detachably connected with the lower surface of the base (3) through a bolt, the third hydraulic cylinder (23) is arranged on the upper surface of the second fixing plate (22), the telescopic end of the third hydraulic cylinder is connected with the lower surface of the third moving plate (24), the third punching needle (25) is arranged on the upper surface of the third moving plate (24), the fourth punching needle (26) is arranged on the lower surface of the second moving plate (15), the fourth hydraulic cylinder (27) is arranged on the first moving plate (14), and the telescopic end of the fourth hydraulic cylinder penetrates through the first moving plate (14), the second punching plate (15) and the fourth punching needle (26) to be connected.

4. The tool of claim 3, wherein the tool further comprises: and punching holes (28) matched with the first punching needle (20), the second punching needle (21), the third punching needle (25) and the fourth punching needle (26) are formed in the supporting table (4) and the pressing plate (16).

5. The tool of claim 3, wherein the tool further comprises: be equipped with first guide bar (29) on first fixed plate (13), the other end of first guide bar (29) runs through first movable plate (14), and connects with first movable plate (14) slidable, be equipped with second guide bar (30) on second fixed plate (22), the other end of second guide bar (30) runs through third movable plate (24), and connects with third movable plate (24) slidable.

6. The tool of claim 1, wherein the tool further comprises: and clamping grooves (31) matched with the first steel plate (1) and the second steel plate (2) are formed in the second moving block (9) and the third moving block (10).

7. The tool of claim 1, wherein the tool further comprises: the thread directions of the second lead screw (11) and the third lead screw (12) are opposite.

8. The tool of claim 1, wherein the tool further comprises: be equipped with first dovetail (32) on base (3), be equipped with on first movable block (6) with first dovetail (32) complex first dovetail (33), be equipped with second dovetail (34) on first movable block (6), be equipped with on second movable block (9) and third movable block (10) with second dovetail (34) complex second dovetail (35).

9. The tool of claim 1, wherein the tool further comprises: the clamping devices are provided with two groups and are respectively connected with the first steel plate (1) and the second steel plate (2).

10. The tool of claim 1, wherein the tool further comprises: four groups of the first motor (5), the first moving block (6) and the first lead screw (7) are arranged, and the four first moving blocks (6) are slidably connected with the two second moving blocks (9) and the two third moving blocks (10) respectively.