CN109013797B

CN109013797B - Stamping die

Info

Publication number: CN109013797B
Application number: CN201811184129.7A
Authority: CN
Inventors: 胡茜雯; 方海
Original assignee: Guangdong University of Technology
Current assignee: Guangdong University of Technology
Priority date: 2018-10-11
Filing date: 2018-10-11
Publication date: 2020-01-10
Anticipated expiration: 2038-10-11
Also published as: CN109013797A

Abstract

The invention discloses a stamping die, which sequentially comprises a plate-shaped workbench and a driving block, wherein the plate-shaped workbench is horizontally and fixedly arranged, and the driving block can horizontally move from top to bottom; the upper surface of the workbench is a smooth horizontal plane for placing plates and allowing the plates to stably slide, one end of the workbench facing the plate conveying direction is provided with an inclined hole which slants downwards in a slanting direction towards the plate input direction, and the inclined hole penetrates through the upper surface and the lower surface of the workbench; and a bottom plate of the driving device is fixedly connected with the bottom of the driving block, and when the driving device moves towards the conveying direction of the plate, the guide notch on the driving block gradually lifts the cylinder upwards to cause the sliding template to gradually extend out of the top port of the inclined hole, and simultaneously, the edge of the plate on the workbench pushed by the grasping device is connected with the extending sliding template to make a sound bending towards the direction deviating from the conveying direction. The stamping die has the advantages of rapid edge curling, low processing cost and convenient manufacture.

Description

Stamping die

Technical Field

The invention belongs to the technical field of punch forming, and particularly relates to a plate edge rolling device.

Background

In the plate processing, the edge of the plate is often required to be curled, at present, the plate is obtained by directly stamping by using an arc-shaped die, the efficiency is high, but the die is large in abrasion and needs to be manufactured by a special die company, so that the cost requirement on the die in the production is high, and the plate is neither economical nor applicable to the curling processing.

Disclosure of Invention

The invention aims to solve the technical problems and provides a stamping die which is rapid in edge curling, low in processing cost and convenient to manufacture.

The technical scheme of the invention is as follows:

a stamping die comprises a plate-shaped workbench and a driving block, wherein the plate-shaped workbench is horizontally and fixedly arranged, and the driving block can horizontally move;

the upper surface of the workbench is a smooth horizontal plane for placing plates and allowing the plates to stably slide, one end of the workbench facing the plate conveying direction is provided with an inclined hole which slants downwards in a slanting direction towards the plate input direction, and the inclined hole penetrates through the upper surface and the lower surface of the workbench;

the driving block is a cuboid block arranged in parallel with the workbench, a notch is arranged at one side end part of the driving block close to the plate transmission direction, the notch penetrates through the upper surface and the lower surface of the driving block, two guide notches are respectively arranged on two side walls of the notch, each guide notch is of a staircase-shaped Z-shaped structure, and each guide notch extends from one side end part of the driving block close to the plate transmission direction to the inside of the driving block in a rising trend;

the device also comprises a sliding template and a driving device; the sliding template is of a strip-shaped structure, the front side and the rear side of the bottom end of the sliding template are respectively provided with a cylinder protruding out of the surface of the sliding template, the cylinders on the two sides are coaxially arranged, the sliding template is inserted into the inclined hole from the top and extends into the gap, the two cylinders correspondingly extend into the two guide gaps respectively, and the cylinders can slide up and down in the guide gaps along the extending direction of the guide gaps; the driving device comprises a horizontally arranged bottom plate, a supporting rod is vertically and fixedly erected on the upper surface of the bottom plate, the top end of the supporting rod is connected with a horizontally arranged pushing frame in a' shape, a vertical section of the pushing frame, which is connected to the supporting rod, is provided with a grasping device for grasping a plate, a horizontal section of the pushing frame is provided with a hole, a cutting device for cutting the plate is arranged right above the hole, a scrap accumulating box for receiving scraps falling from the hole is arranged right below the hole, the front side of the scrap accumulating box is provided with an opening, the opening is connected with an obliquely downward conveying groove inlet, an outlet at the bottom end of the conveying groove is positioned on the opening of the garbage can, a spiral conveying shaft is arranged in the garbage can, and the spiral conveying shaft can convey residues in the garbage can;

the bottom plate of the driving device is fixedly connected with the bottom of the driving block, and when the driving device moves towards the conveying direction of the plate, the guide notch on the driving block gradually lifts the cylinder upwards to cause the sliding template to gradually extend out of the top port of the inclined hole, and meanwhile, the edge of the plate on the workbench pushed by the grasping device is connected with the extending sliding template to make a sound bending towards the direction deviating from the conveying direction.

Furthermore, the guide notch sequentially comprises a lower horizontal section, an inclined section which is inclined upwards and an upper horizontal section from the opening end to the closed end of the guide notch, and the two adjacent sections are in arc transition connection.

Further, when the cylinder is located at the lower horizontal section, the top of the sliding template is flush with the end face of the upper end of the inclined hole, and the grasping device pushes the plate to a position just connected with the edge of the top of the sliding template.

Further, when the driving block moves to the upper horizontal section of the cylinder located at the guide notch, the plate crimping is finished.

Furthermore, a buffer rubber pad which can be contacted with the cylinder is tightly attached to the end face of the closed end of the guide notch.

Further, the driving device is driven by a hydraulic lever.

Further, the cutting device is flame cutting or laser cutting.

Furthermore, a plurality of uniformly spaced rollers are arranged on the upper surface of the workbench and are in tangential contact with the bottom surface of the plate.

The invention has the beneficial effects that: the invention adopts a plurality of simple part combinations to realize the stamping process for carrying out hemming molding on the plate, the stamping mode is peculiar, a specific circular arc-shaped die in the traditional sense is not set, the design, manufacture and maintenance cost of a professional die is reduced, and the cost is greatly saved. Simultaneously, the long-pending bits case that sets up can catch the disconnected bits of cutting ingeniously, then send to the dustbin and see off through the auger delivery axle, clean pollution-free, can not have a lot of iron fillings unrestrained after like some stamping equipment of tradition material breaking.

Drawings

Fig. 1 is a schematic structural view of the present invention after crimping is completed.

Fig. 2 is a schematic structural diagram of the crimping process of the present invention.

Fig. 3 is a top view of the drive block.

Element number description: the device comprises a workbench 1, a driving block 2, a plate 3, a sliding template 4, a cylinder 5, a guide notch 6, a lower horizontal segment 601, an inclined segment 602, an upper horizontal segment 603, a cutting device 7, a pushing frame 8, a supporting rod 9, a chip accumulating box 10, a conveying groove 11, a garbage can 12, a spiral conveying shaft 13, a bottom plate 14 and a roller 15.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

as shown in fig. 1 to 3, a press die includes a plate-shaped table 1 and a horizontally movable driving block 2, which are horizontally fixed, in this order from top to bottom.

The upper surface of the workbench 1 is a smooth horizontal plane for placing the plate 3 and allowing the plate 3 to stably slide, one end of the workbench 1 facing the conveying direction of the plate 3 is provided with an inclined hole inclined downwards towards the input direction of the plate 3, and the inclined hole penetrates through the upper surface and the lower surface of the workbench 1.

The driving block 2 is a cuboid block arranged in parallel with the workbench 1, a notch is arranged at one end of the driving block 2 close to one side of the plate 3 in the transmission direction, the notch penetrates through the upper surface and the lower surface of the driving block 2, a guide opening 6 is respectively arranged on two side walls of the notch, the guide opening 6 is of a staircase-shaped Z-shaped structure, and the guide opening 6 starts to extend towards the inside of the driving block 2 in an ascending trend from one end of the driving block 2 close to one side of the plate 3 in the transmission direction.

The device also comprises a sliding template 4 and a driving device; the sliding template 4 is of a strip-shaped structure, the front side and the rear side of the bottom end of the sliding template are respectively provided with a cylinder 5 protruding out of the surface of the sliding template, the cylinders 5 on the two sides are coaxially arranged, the sliding template 4 is inserted into the inclined hole from the top and extends into the gap, the two cylinders 5 correspondingly extend into the two guide gaps 6 respectively, and the cylinders 5 can slide up and down in the guide gaps 6 along the extension direction of the guide gaps 6; the driving device comprises a horizontally arranged bottom plate 14, a supporting rod 9 is vertically and fixedly erected on the upper surface of the bottom plate 14, the top end of the supporting rod 9 is connected with a horizontally arranged push frame 8 in a shape of a Chinese character 'ji', a grasping device for grasping the plate 3 is arranged on the vertical section of the push frame 8 connected on the supporting rod 9, a hole is arranged on the horizontal section, a cutting device 7 for cutting the plate 3 is arranged right above the hole, a chip accumulating box 10 for receiving the chips falling from the hole is arranged right below the hole, an opening is arranged at the front side of the chip accumulating box 10, the opening is connected with the inlet of a conveying trough 11 which is obliquely arranged downwards, the outlet at the bottom end of the conveying trough 11 is positioned on the opening of a dustbin 12, the inside of the garbage can 12 is provided with a spiral conveying shaft 13, and the spiral conveying shaft 13 can convey out residues in the garbage can 12.

The bottom plate 14 of the driving device is fixedly connected with the bottom of the driving block 2, and when the driving device moves towards the conveying direction of the plate 3, the guide notch 6 on the driving block 2 lifts the cylinder 5 upwards gradually to cause the sliding template 4 to gradually extend out of the top port of the inclined hole, and simultaneously the edge of the plate 3 on the workbench 1 pushed by the gripping device is connected with the extended sliding template 4 to bend towards the direction deviating from the conveying direction.

When the device is used, at the beginning of stamping, the cylinder 5 returns to the horizontal section of the guide notch 6 to enable the sliding template 4 to retract into the workbench 1, when stamping is performed, the driving device is pushed to drive the driving block 2 to slide along the bottom surface of the workbench 1, at the moment, the cylinder 5 gradually slides from the lower horizontal section 601, the inclined section 602 and the upper horizontal section 603, so that the sliding template 4 is gradually lifted out of the upper surface of the workbench 1, on one hand, the plate 3 (or sectional materials such as channel steel with similar plate-shaped structures) is horizontally pushed by the pushing frame 8, on the other hand, the sliding template 4 slides upwards in an inclined mode to be in extrusion contact with the side edge of the plate 3 in the horizontal movement, and therefore, the plate 3 is gradually curled to the; the stamping die provided by the invention has the advantages that the structure is simple and reliable, the manufacture is easy, the better crimping effect can be achieved, and the stamping die is very economical and applicable to general precision requirements, especially to protective crimping in the conventional sense. Simultaneously, the long-pending bits case that sets up can catch the disconnected bits of cutting ingeniously, then send to the dustbin and see off through the auger delivery axle, clean pollution-free, can not have a lot of iron fillings unrestrained after like some stamping equipment of tradition material breaking.

Further, the guide notch 6 sequentially comprises a lower horizontal section 601, an inclined section 602 which is inclined upwards and an upper horizontal section 603 from the opening end to the closed end, and the two adjacent sections are in arc transition connection, so that the cylinder 5 can better slide gradually from bottom to top in the guide notch 6, and the ascending motion of the sliding template 4 is skillfully realized.

Further, when the cylinder 5 is located at the lower horizontal section 601, the top of the sliding template 4 is flush with the upper end face of the inclined hole, and the gripping device pushes the plate 3 to a position just meeting the top edge of the sliding template 4, so as to better ensure that the sliding template 4 sinks in the workbench 1.

Further, when the driving block 2 moves to the upper horizontal section 603 of the cylinder 5 located in the guide notch 6, the plate is curled completely, so that the finish time of curling is determined, and the processing is more reliable.

Furthermore, a buffer rubber pad which can be contacted with the cylinder 5 is tightly attached to the end face of the closed end of the guide notch 6, so that the impact contact between the cylinder 5 and the driving block 2 is reduced after the edge is curled.

Further, the driving device is driven by a hydraulic rod, so that the manufacturing is facilitated, and the cost is further reduced.

Further, the cutting device 7 is flame cutting or laser cutting, so that the manufacturing is facilitated and the installation is simplified.

Further, the upper surface of the workbench 1 is provided with a plurality of uniformly spaced rollers 15, and the rollers 15 are in tangential contact with the bottom surface of the plate 3, so that the plate 3 is more stably and smoothly transmitted.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. A stamping die comprises a plate-shaped workbench and a driving block, wherein the plate-shaped workbench is horizontally and fixedly arranged, and the driving block can horizontally move; the method is characterized in that:

the bottom plate of the driving device is fixedly connected with the bottom of the driving block, and when the driving device moves towards the conveying direction of the plate, the guide notch on the driving block gradually lifts the cylinder upwards to cause the sliding template to gradually extend out of the top port of the inclined hole, and meanwhile, the edge of the plate on the workbench pushed by the grasping device is connected with the extending sliding template to bend towards the direction deviating from the conveying direction of the plate.

2. The stamping die of claim 1, wherein: the guide notch sequentially comprises a lower horizontal section, an inclined section and an upper horizontal section from the opening end to the closed end of the guide notch, and the two adjacent sections are in arc transitional connection.

3. The stamping die of claim 2, wherein: when the cylinder is positioned at the lower horizontal section, the top of the sliding template is flush with the end face of the upper end of the inclined hole, and the grasping device pushes the plate to a position just connected with the edge of the top of the sliding template.

4. The stamping die of claim 3, wherein: and when the driving block moves to the upper horizontal section of the cylinder positioned at the guide notch, the plate is curled and formed.

5. The stamping die of claim 1, wherein: and a buffer rubber pad which can be contacted with the cylinder is tightly attached to the end surface of the closed end of the guide notch.

6. The stamping die of claim 1, wherein: the drive means is driven by a hydraulic lever.

7. The stamping die of claim 1, wherein: the cutting device is flame cutting or laser cutting.

8. The stamping die of claim 1, wherein: the upper surface of the workbench is provided with a plurality of uniformly spaced rollers, and the rollers are in tangential contact with the bottom surface of the plate.