CN211888640U

CN211888640U - Shaped steel punches a hole and restricts structure with waste material rebound

Info

Publication number: CN211888640U
Application number: CN202020449573.3U
Authority: CN
Inventors: 周绍成; 张青鱼
Original assignee: Tianjin Xinrun Hengxin New Energy Technology Development Co ltd
Current assignee: Tianjin Xinrun Hengxin New Energy Technology Development Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-11-10
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a waste rebound limiting structure for profile steel punching, which comprises a punching platform, wherein the upper end of the punching platform is fixedly connected with a bottom bracket, the upper end of the bottom bracket is provided with a stripping hole, the middle part of the upper end of the punching platform is fixedly connected with a central base frame, the upper end of the central base frame is slidably connected with a longitudinal moving frame, the left side and the right side of the longitudinal moving frame are provided with lateral rotating rods, the lower ends of the lateral rotating rods are fixedly connected with a first rotating shaft, the upper end of the lateral rotating rod is rotatably connected with an upper top rotating rod, the middle part of the lateral rotating rod is fixedly connected with a second rotating shaft, the second rotating shaft is rotatably connected with a lateral top rotating rod, one end of the upper top rotating rod, which is far away from the longitudinal moving frame, is rotatably connected with a transmission rod, the lower end of the transmission rod is rotatably connected with the lateral top rotating rod, one end of the upper top rotating rod, which is close to the longitudinal, the situation that punching waste is wrapped on the punch is reduced, and the waste is limited to rebound along with the punch.

Description

Shaped steel punches a hole and restricts structure with waste material rebound

Technical Field

The utility model relates to a shaped steel processing technology field that punches a hole especially relates to a shaped steel punches a hole and uses waste material rebound limit structure.

Background

The section steel is a strip steel with a certain cross-sectional shape and size, and is one of four large varieties (plate, tube, profile and wire) of steel. The section steel is divided into a simple section steel and a complex section steel (deformed steel) according to the section shape. The former refers to square steel, round steel, flat steel, angle steel, hexagonal steel and the like; the latter refers to i-steel, channel steel, steel rail, window frame steel, bent section steel, etc. Because of the different uses of the section steel, some sections of the section steel need to be punched for installation or connection with other components.

In the punching process of shaped steel, use longer time when the punching press, reach certain number of times of punching a hole after, the drift blade can produce passivation phenomenon, the blade is no longer sharp, and become a very little R fillet, the waste material that continues to punch a hole will produce the waste material parcel phenomenon of extrusion deep-drawing deformation, make the waste material form a parcel clamping force to the drift of blunt mouthful in drift department, make the waste material and the drift of punching a hole be connected, and take out in punching a hole by shaped steel along with the removal of drift, influence the normal clear of follow-up processing of punching a hole.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shaped steel punches a hole and uses waste material rebound limit structure can carry out the centre gripping separation to the waste material after punching a hole, reduces the waste material that punches a hole and wraps up in the condition emergence of drift, and the restriction waste material is along with the drift rebound.

The utility model discloses a can realize through following technical scheme:

a waste rebound limiting structure for profile steel punching comprises a punching table, wherein a bottom bracket is fixedly connected to the upper end of the punching table, stripping holes are formed in the upper end of the bottom bracket, a central base frame is fixedly connected to the middle of the upper end of the punching table, a longitudinal moving frame is slidably connected to the upper end of the central base frame, side rotating rods are arranged on the left side and the right side of the longitudinal moving frame, the lower ends of the side rotating rods are fixedly connected with the punching table, a first rotating shaft is fixedly connected to the upper end of each side rotating rod, an upper top rotating rod is rotatably connected to the first rotating shaft, a second rotating shaft is fixedly connected to the middle of each side rotating rod, a side top rotating rod is rotatably connected to the second rotating shaft, a transmission rod is rotatably connected to one end, far away from the longitudinal moving frame, of each upper top rotating rod is rotatably connected to the lower end of the corresponding side top rotating rod, and an inner clamping tooth block is, and the upper side and the lower side of one end, close to the longitudinal moving frame, of the side top rotating rod are provided with a lower pressing plate and an upper top plate, and the lower pressing plate and the upper top plate are fixedly connected with the longitudinal moving frame.

Through adopting above-mentioned technical scheme, the removal that makes the drift drives the interior clamping tooth piece of both sides and carries out the centre gripping separation to the waste material, and the waste material that reduces to punch a hole wraps up in the condition of drift and takes place, and restriction waste material is along with the drift rebound.

Further setting the following steps: the upper ejection rotating rod is close to the upper side and the lower side of one end of the longitudinal moving frame and is fixedly connected with clamping piece piles, an inner ejection sliding rod is connected in the clamping piece piles in a sliding mode, and the inner ejection sliding rod is fixedly connected with the inner clamping tooth block.

Through adopting above-mentioned technical scheme, make interior pressing from both sides the tooth piece through interior top slide bar and last top bull stick sliding connection, interior pressing from both sides the tooth piece and can slide at last top bull stick side, interior pressing from both sides the tooth piece when carrying out the centre gripping to the punching waste material, reduce the wearing and tearing of interior pressing from both sides the tooth piece to the drift.

Further setting the following steps: and the inner top sliding rod is sleeved with a compression spring, and two ends of the compression spring are respectively abutted against the inner clamping tooth block and the clamping piece pile.

Through adopting above-mentioned technical scheme, including the compression spring of establishing of cover on the top slide bar, make compression spring promote interior double-layered tooth piece and remove to keeping away from top bull stick one side, press from both sides the tooth piece in the reinforcing and to the laminating centre gripping effect of the waste material that punches a hole.

Further setting the following steps: the center bed frame upper end fixedly connected with square slide bar, the cover is equipped with reset spring on the square slide bar, reset spring upper end with indulge move the frame and offset, indulge move the frame lower extreme and seted up interior spout, spout inner wall and indulge in the laminating of square slide bar move a sliding connection.

Through adopting above-mentioned technical scheme, the reset spring of establishing on square slide bar cover, the back is pushed down by the drift to the frame of being convenient for indulging moving, and reset spring promotes to indulge and moves the frame and upwards reset.

Further setting the following steps: and a stripping inclined plate is arranged between the two inner clamping tooth blocks, and the lower end of the stripping inclined plate is fixedly connected with the longitudinal moving frame.

Through adopting above-mentioned technical scheme, indulge and move the material swash plate that takes off of frame upper end fixed connection, be convenient for make indulge the waste material that punches a hole on moving the frame and prolong to take off the material swash plate and arrange outward, reduce the waste material that punches a hole and pile up on indulging moving the frame.

Further setting the following steps: the side top rotating rod is fixedly connected with an inner guide hemisphere close to one end of the longitudinal moving frame, a polishing surface is arranged on the outer side of the inner guide hemisphere, and the side top rotating rod is in fit sliding connection with the longitudinal moving frame through the inner guide hemisphere.

Through adopting above-mentioned technical scheme, make side top bull stick pass through interior hemisphere and indulge and move frame laminating sliding connection to the longitudinal movement that makes the frame of indulging to move drives side top bull stick and rotates on side commentaries on classics pole, and then drives the centre gripping of interior tong tooth piece offset hole waste material.

Further setting the following steps: and a buffer base plate is arranged between the two compression springs and is fixedly connected with the upper ejection rotating rod.

Through adopting above-mentioned technical scheme, fixed connection's buffering backing plate on last top bull stick is convenient for reduce interior clamp tooth piece to the collision of going up the bull stick when being close to last top bull stick one side and removing, the life of clamp tooth piece in the extension.

To sum up, the utility model discloses a beneficial technological effect does:

the utility model discloses the removal that makes the drift drives the interior double-layered tooth piece of both sides carries out the centre gripping separation to the waste material, and the waste material that reduces to punch a hole wraps up in the condition of drift and takes place, and the restriction waste material is along with the drift rebound.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic diagram of the structure at a in fig. 1.

Reference numerals: 1. a punching stage; 2. a bottom bracket; 3. material stripping holes; 4. a central pedestal; 5. a longitudinally moving frame; 6. a side turning fixed rod; 7. a first rotating shaft; 8. the rotating rod is jacked up; 9. a second fulcrum; 10. a side top rotating rod; 11. a transmission rod; 12. a lower pressing plate; 13. an upper top plate; 14. an inner clamping tooth block; 15. a square slide bar; 16. a return spring; 17. a material removing inclined plate; 18. a clip pile; 19. an inner top sliding rod; 20. a compression spring; 21. cushion plate.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the scope of the invention.

Referring to fig. 1 and 2, a scrap rebound limiting structure for punching a section steel, which is disclosed by the present invention, comprises a punching table 1, a bottom bracket 2 is fixedly connected to the upper end of the punching table 1, a stripping hole 3 is formed in the upper end of the bottom bracket 2, a central base frame 4 is fixedly connected to the middle portion of the upper end of the punching table 1, a longitudinal moving frame 5 is slidably connected to the upper end of the central base frame 4, side rotating rods 6 are arranged on the left and right sides of the longitudinal moving frame 5, the lower end of each side rotating rod 6 is fixedly connected to the punching table 1, a first rotating shaft 7 is fixedly connected to the upper end of each side rotating rod 6, an upper top rotating rod 8 is rotatably connected to the first rotating shaft 7, a second rotating shaft 9 is fixedly connected to the middle portion of each side rotating rod 6, a side top rotating rod 10 is rotatably connected to the second rotating shaft 9, a transmission rod 11 is rotatably connected to the end of the upper top rotating rod 8, which is far away from the longitudinal moving frame 5, the lower end of the transmission rod 11 is rotatably, both sides are equipped with holding down plate 12 and last roof 13 about side top bull stick 10 is close to the one end of indulging and moves frame 5, and holding down plate 12 and last roof 13 all with indulge and move frame 5 fixed connection, make the removal of drift drive the interior double-layered tooth piece 14 of both sides carry out the centre gripping separation to the waste material, reduce the waste material that punches a hole and wrap up the condition emergence in the drift, restriction waste material is along with drift rebound.

Referring to fig. 2, further, clip piles 18 are fixedly connected to the upper and lower sides of one end of the upper ejection rotating rod 8 close to the longitudinal moving frame 5, an inner ejection sliding rod 19 is slidably connected to each clip pile 18, the inner ejection sliding rod 19 is fixedly connected to the inner clamping tooth block 14, so that the inner clamping tooth block 14 is slidably connected to the upper ejection rotating rod 8 through the inner ejection sliding rod 19, the inner clamping tooth block 14 can slide on the side edge of the upper ejection rotating rod 8, and the inner clamping tooth block 14 reduces the abrasion of the inner clamping tooth block 14 to the punch when clamping the punching waste.

Furthermore, a compression spring 20 is sleeved on the inner jacking slide rod 19, two ends of the compression spring 20 are respectively abutted against the inner clamping tooth block 14 and the clamping piece pile 18, and the compression spring 20 sleeved on the inner jacking slide rod 19 enables the compression spring 20 to push the inner clamping tooth block 14 to move towards one side far away from the upper jacking rotary rod 8, so that the attaching and clamping effect of the inner clamping tooth block 14 on punching waste materials is enhanced.

Referring to fig. 1, further, a square slide bar 15 is fixedly connected to the upper end of the central base frame 4, a return spring 16 is sleeved on the square slide bar 15, the upper end of the return spring 16 abuts against the longitudinal moving frame 5, an inner sliding groove is formed in the lower end of the longitudinal moving frame 5, the square slide bar 15 is attached to the inner wall of the inner sliding groove and is in sliding connection with the longitudinal moving frame 5, and the return spring 16 is sleeved on the square slide bar 15, so that the longitudinal moving frame 5 is pushed down by a punch conveniently and the return spring 16 pushes the longitudinal moving frame 5 to return upwards.

Furthermore, a stripping inclined plate 17 is arranged between the two inner clamping tooth blocks 14, the lower end of the stripping inclined plate 17 is fixedly connected with the longitudinal moving frame 5, and the stripping inclined plate 17 fixedly connected with the upper end of the longitudinal moving frame 5 facilitates the punching waste on the longitudinal moving frame 5 to be discharged outside along the stripping inclined plate 17, so that the accumulation of the punching waste on the longitudinal moving frame 5 is reduced.

Referring to fig. 1, further, one end of the side ejecting rotating rod 10 close to the longitudinal moving frame 5 is fixedly connected with an inner guiding hemisphere, a polishing surface is arranged outside the inner guiding hemisphere, the side ejecting rotating rod 10 is in sliding connection with the longitudinal moving frame 5 through the inner guiding hemisphere, so that the side ejecting rotating rod 10 is in sliding connection with the longitudinal moving frame 5 through the inner guiding hemisphere, and the longitudinal moving of the longitudinal moving frame 5 drives the side ejecting rotating rod 10 to rotate on the side rotating rod 6, thereby driving the inner clamping tooth block 14 to clamp the punching waste.

Referring to fig. 2, further, a buffer backing plate 21 is disposed between the two compression springs 20, the buffer backing plate 21 is fixedly connected to the upper rotating rod 8, and the buffer backing plate 21 is fixedly connected to the upper rotating rod 8, so as to reduce the collision of the inner tooth clamping block 14 on the upper rotating rod 8 when moving to a side close to the upper rotating rod 8, and prolong the service life of the inner tooth clamping block 14.

When the punching machine punches a hole on the section steel, the punch drives punching waste to press down to drive the longitudinal moving frame 5 to move downwards, the longitudinal moving frame 5 moves downwards to drive the side ejection rotating rod 10 on the side rotating rod 6 to rotate, the side ejection rotating rod 10 pushes the transmission rod 11 to move upwards, the transmission rod 11 pushes the upper ejection rotating rod 8 to rotate around the first rotating shaft 7, the inner clamping tooth block 14 is further driven to clamp punching waste on the lower side of the punch, when the punch moves upwards, the punching waste is separated from the punch, the situation that the punching waste is wrapped on the punch is reduced, and the punching waste is limited to rebound along with the punch.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a shaped steel punches a hole and uses waste material rebound limit structure, includes punching press platform (1), punching press platform (1) upper end fixedly connected with bottom bracket (2), stripper hole (3), its characterized in that have been seted up to bottom bracket (2) upper end: the stamping device is characterized in that the middle of the upper end of the stamping platform (1) is fixedly connected with a central pedestal (4), the upper end of the central pedestal (4) is slidably connected with a longitudinal moving frame (5), side rotating fixed rods (6) are arranged on the left side and the right side of the longitudinal moving frame (5), the lower ends of the side rotating fixed rods (6) are fixedly connected with the stamping platform (1), the upper ends of the side rotating fixed rods (6) are fixedly connected with a first rotating shaft (7), an upper top rotating rod (8) is rotatably connected onto the first rotating shaft (7), the middle of each side rotating fixed rod (6) is fixedly connected with a second rotating shaft (9), each second rotating shaft (9) is rotatably connected with a side top rotating rod (10), one end, far away from the longitudinal moving frame (5), of each upper top rotating rod (8) is rotatably connected with a transmission rod (11), the lower end of each transmission rod (11) is rotatably connected with the corresponding side top rotating rod (10), one end, close to the longitudinal moving frame (5), of each upper top, and a lower pressing plate (12) and an upper top plate (13) are arranged on the upper side and the lower side of one end, close to the longitudinal moving frame (5), of the side top rotating rod (10), and the lower pressing plate (12) and the upper top plate (13) are fixedly connected with the longitudinal moving frame (5).

2. The scrap rebound restraining structure for profile steel punching according to claim 1, wherein: go up top bull stick (8) and be close to the equal fixedly connected with clamping piece stake (18) in both sides about the frame (5) one end that indulges, sliding connection has interior top slide bar (19) in clamping piece stake (18), interior top slide bar (19) and interior tong-tooth piece (14) fixed connection.

3. The scrap rebound restraining structure for profile steel punching according to claim 2, wherein: and the inner top sliding rod (19) is sleeved with a compression spring (20), and two ends of the compression spring (20) are respectively abutted against the inner clamping tooth block (14) and the clamping piece pile (18).

4. The scrap rebound restraining structure for profile steel punching according to claim 1, wherein: the center bed frame (4) upper end fixedly connected with square slide bar (15), the cover is equipped with reset spring (16) on square slide bar (15), reset spring (16) upper end offsets with indulge and move frame (5), indulge and move frame (5) lower extreme and seted up interior spout, spout inner wall and indulge and move frame (5) sliding connection in the laminating of square slide bar (15).

5. The scrap rebound restraining structure for profile steel punching according to claim 1, wherein: a material removing inclined plate (17) is arranged between the two inner clamping tooth blocks (14), and the lower end of the material removing inclined plate (17) is fixedly connected with the longitudinal moving frame (5).

6. The scrap rebound restraining structure for profile steel punching according to claim 1, wherein: the side top rotating rod (10) is close to one end of the longitudinal moving frame (5) and is fixedly connected with an inner guide hemisphere, a polishing surface is arranged on the outer side of the inner guide hemisphere, and the side top rotating rod (10) is attached to the longitudinal moving frame (5) in a sliding mode through the inner guide hemisphere.

7. The scrap rebound restraining structure for profile steel punching according to claim 3, wherein: a buffer base plate (21) is arranged between the two compression springs (20), and the buffer base plate (21) is fixedly connected with the upper ejection rotating rod (8).