WO2017128828A1

WO2017128828A1 - Molding device and molding process for implementing shearing and bending by using single power source

Info

Publication number: WO2017128828A1
Application number: PCT/CN2016/107439
Authority: WO
Inventors: 蒋明生
Original assignee: 苏州金童机械制造股份有限公司
Priority date: 2016-01-28
Filing date: 2016-11-28
Publication date: 2017-08-03
Also published as: CN106002288B; CN106002288A

Abstract

A molding device for implementing shearing and bending by using a single power source comprises an upper frame and a lower frame that are vertically sleeved with each other. The upper frame comprises an upper frame top plate (1) and an upper frame bottom plate (2) that are connected together by means of a first guide column (3). An upper cutter apron plate (4) is arranged between the upper frame top plate (1) and the upper frame bottom plate (2). The upper cutter apron plate (4) is sleeved with the first guide column (3) by means of a guide sleeve (5) disposed on the upper cutter apron plate (4). The upper cutter apron plate (4) is driven by a power source to vertically move along the first guide column (3). The lower portion of the upper cutter apron plate (4) is connected to an upper pressing block (12) and a return spring (11) by means of a third guide column (9) and a third guide sleeve (10). The lower frame comprises a lower pressing block (13) and a lower frame plate (16) that are correspondingly disposed above and below the upper frame bottom plate (2). The lower pressing block (13) and the lower frame plate (16) are fixedly connected by means of a support column (14). A second guide column (17) is fixedly disposed on the upper frame bottom plate (2), the second guide column (17) runs through the lower frame plate (16), a portion stretching out is sleeved with a return pressing spring (18), and a sliding guide sleeve relative to the second guide column (17) is disposed on the lower frame plate. An upper cutter (8) is disposed on the upper cutter apron plate, a lower cutter (15) is disposed on the upper frame bottom plate, and the upper cutter (8) and the lower cutter (15) are disposed relative to each other. Also disclosed is a molding process for implementing shearing and bending by using a single power source. The molding device implements a shearing action and a bending action in one time by using a single power source, and has the characteristics of being simple and practical, high in operating speed, low in costs and convenient to repair.

Description

Forming device and forming process for cutting and bending using a single power source

Technical field

The invention relates to a shear bending mechanism which integrates shearing, bending and integration, and particularly relates to a shear bending mechanism and a forming process for integrating shearing and bending into one body by using a single power source.

Background technique

Sheet metal is a comprehensive cold working process for metal sheets, including shearing, punching/cutting/compositing, folding, forming, etc. Sheet metal has the characteristics of light weight, high strength, low cost, and large-scale mass production performance. Therefore, it is widely used in the fields of electronics, telecommunications, and automobile industry. For example, in the fields of computer cases, home appliances and MP3, sheet metal is an indispensable component. With the increasing use of sheet metal, the involvement of sheet metal parts has become very important.

In the prior art, the metal plate bending forming uses a plurality of power sources to complete the relevant steps of cutting and bending. This method is time-consuming, time-consuming, and slow, and maintenance is troublesome. With the advancement of the times and the increasing market demand, the original process is far from meeting the market demand. The use of efficient mechanization and assembly line mass production is imminent.

Summary of the invention

The invention discloses a shearing and bending mechanism which integrates shearing and bending into one body by using a single power source, and the speed is twice as fast as the original technology, and the structure is simple, the manufacturing cost is low, and the maintenance is particularly convenient, so that the utility model can be implemented. More efficient automation and large-scale production.

In the present invention, "upper" and "lower" are used to indicate the relative positional relationship between the various components, which may be the upper and lower positional relationship in the gravity system; or may be the relative positional relationship only in the gravity system.

The object to be processed by the present invention is not limited to a steel sheet, and may be applied to a sheet material of another material.

The invention overcomes the deficiencies of the prior art, and installs the shearing and bending forming device on the related machine tool, instead of using multiple power sources to complete the relevant steps of cutting and bending, thereby achieving higher Effective automation, large-scale production.

In order to achieve the above object, a technical solution adopted by the present invention is: a molding device for performing a shearing and bending using a single power source, comprising: an upper frame and a lower frame provided by upper and lower sockets, wherein

The upper shelf includes: an upper shelf and an upper shelf connected together by the first guiding column, and an upper blade plate is further disposed between the upper shelf and the upper shelf, and the upper blade is sleeved by the guide sleeve provided by itself a guide post, the upper blade seat power source drive moves up and down along the first guide post, the lower part of the upper blade seat plate is further connected to the upper press block by a guiding device, and the upper frame bottom plate is provided with a second guide post sleeved off frame Two guide sleeves, the lower knife is arranged on the upper floor surface of the upper frame;

- The lower frame includes: a lower pressing block and a lower frame plate respectively disposed above and below the upper shelf, and the lower pressing block and the lower frame are fixedly connected by the supporting column, and the sliding guide of the second guiding column is disposed on the lower frame set;

- Upper knife is provided on the upper knife seat plate, and a lower knife is arranged on the upper bottom plate, and the upper knife and the lower knife are oppositely arranged.

In a preferred embodiment of the invention, the power source is a cylinder or cylinder mounted on the top plate of the upper frame.

In a preferred embodiment of the present invention, a second guide post is fixed on the upper shelf, the second guide post is sleeved in the sliding guide sleeve, and protrudes from a part of the bottom surface of the lower shelf, that is, And an extension portion, the free end of the protruding portion is provided with a tray, and the protruding portion is sleeved with a reset compression spring, and the two ends of the reset compression spring respectively abut against the bottom surface of the tray and the lower shelf.

In a preferred embodiment of the invention, the guiding device is a third guiding post and a third guiding sleeve that are sleeved with each other.

In a preferred embodiment of the present invention, the third guiding post is fixedly connected to the upper pressing block, the third guiding sleeve is disposed on the upper blade seat plate, and the third guiding sleeve protrudes from the upper guiding sleeve The knife seat plate is at a distance.

In a preferred embodiment of the present invention, a return spring is further disposed between the upper pressing block and the upper tool holder.

In a preferred embodiment of the invention, the power source is fixedly disposed on the top plate of the upper frame.

In a preferred embodiment of the present invention, the power source is a cylinder, and the cylinder is provided with one or two The cylinder is connected to the upper blade plate by a push column.

In a preferred embodiment of the present invention, the first guide post is provided with a middle hole along its own core axis, and the oil pipe of the oil cylinder penetrates into the middle hole to communicate with the oil pipe connection port of the lower part of the molding device.

In a preferred embodiment of the invention, a limit probe is also provided on the forming device.

In a preferred embodiment of the invention, the upper blade is fixed to the upper blade seat plate by a clamping plate.

In a preferred embodiment of the invention, the lower knife includes two blades disposed at a distance, and the upper knife can be located directly above the gap between the two blades.

In a preferred embodiment of the present invention, the lower shelf is provided with a lower trough, and the lower trough is located directly below the gap.

In a preferred embodiment of the present invention, the upper pressing block is connected to the third guiding post through a fixing plate, and the upper pressing block and the fixing plate are connected by an adjusting block with an adjusting bolt.

In a preferred embodiment of the present invention, the lower pressing block is connected to the upper frame bottom plate through a fixing plate, and the lower pressing block and the fixing plate are engaged by an adjusting bolt.

In a preferred embodiment of the invention, the support column extends through the upper shelf.

Another technical solution adopted by the present invention is: a molding process comprising the following steps:

(1) Cutting step: using a single power source to complete the cutting and bending action, the cutting step: the power source pushes the upper knife seat plate and the upper knife downward movement, due to the guiding and buffering action of the third guiding column and the third guiding sleeve, At this time, a relative movement is formed between the upper knife and the upper pressing block, and then a relative movement occurs between the upper knife and the lower knife, and the upper knife extends into the gap between the lower blades, thereby cutting the steel plate;

(2) Bending step: the power source continues to move downwards. At this time, between the upper frame and the lower frame, the two components of the upper pressing block and the lower pressing block are pressed to each other to transmit the power source pressure, and the power source continues to drive downward. When the downward pressure of the power source is greater than the reset pressure spring of the lower frame, the upper frame, the upper frame and the first guide column are lifted as a whole, and the lower knife on the upper bottom plate is also lifted upward, and the two blades of the lower knife are upward. The two sides of the shearing portion of the steel plate are respectively bent upward.

The present invention solves the deficiencies in the background art, and the detailed working steps of the present invention are as follows:

(1) Feeding step: the steel plate is sent to the molding device by the front conveying device, and the limit switch or the laser light control probe of the molding device receives the feeding signal and feeds back to the programmable controller, and the programmable controller acts against The driving cylinder or the cylinder mounted on the top plate of the upper frame issues an operation instruction;

(2) Compression step: the upper knife seat plate, the upper pressing block and the upper knife are integrally driven by the power source (cylinder or cylinder) mounted on the top plate of the upper frame for downward movement (ie, the guide sleeve edge of the upper blade seat plate) The first guide post slides relative to each other until the upper pressing block completely presses the steel plate against the lower pressing block;

(3) Cutting step: the cylinder pushes the upper knife seat plate and the upper knife to continue downward movement (due to the guiding and buffering action of the third guide post and the third guide sleeve, the relative movement between the upper knife and the upper pressing block is formed at this time) ), a relative motion occurs between the upper knife and the lower knife, and the upper knife extends into the gap between the lower blades, thereby cutting the steel plate;

(4) Bending step: the cylinder continues to move downwards. At this time, between the upper frame and the lower frame, two specific components of the upper pressing block and the lower pressing block are pressed to each other to transmit the cylinder pressure, and the cylinder is continuously descended due to the cylinder. When the downward pressure is greater than the return spring of the lower frame, the upper frame, the upper frame and the first guide column are lifted as a whole; when the upper frame is raised, the lower knife on the upper plate is also lifted upward, due to the lower frame And the lower pressing plate is fixed, so that the two blades of the lower knife are used as the fulcrum along the edge of the lower pressing plate, and upwardly bent upwards on both sides of the shearing portion of the steel plate;

(5) Reset step: Then reset in the order of steps (4), (3) and (2) to complete a shearing and bending action. The above steps are cycled in sequence.

In the cutting step of the step (3), the third guide post and the third guide sleeve between the upper blade seat plate and the upper pressing block serve as a guiding function, and the bolt between the upper blade seat plate and the upper pressing block is sleeved. The return spring acts as a buffer and reset. The third guide sleeve extends downwardly from the upper knife seat plate so that the upper pressure block and the upper knife seat plate do not abut together when pressed together, and the third guide sleeve defines the length of the extension. The minimum distance between the two after being compressed. At the same time, the return spring can ensure the stability of the steel plate clamped between the upper and lower press blocks.

In the bending step of step (4), the second guide post serves as a guiding function for the upper and lower movement of the upper frame, and the reset pressure spring acts as a buffer between the upper frame and the lower frame and ensures relative pressure when shearing under the upper knife and Reset effect after lifting.

The end of the protruding portion of the second guiding column is provided with an adjusting bolt, and the tray at the end portion can adjust the upper and lower positions by adjusting the bolt, so that the pre-tension of the resetting and returning spring can be adjusted by adjusting the upper and lower positions of the tray, thereby adjusting the upper frame. The strength of the lift.

The invention has the advantages that the single power source (cylinder or oil cylinder, etc.) is used to complete the two actions of shearing and bending at one time, and has high stability, low noise, shearing, high bending precision, simple and practical operation. Fast speed, low cost and easy maintenance.

DRAWINGS

The present invention will be further described below in conjunction with the accompanying drawings and embodiments;

Figure 1 is a front cross-sectional view of a preferred embodiment of the present invention;

Figure 2 is a side cross-sectional view of a preferred embodiment of the present invention;

In the figure: 1, the top plate of the shelf, 2, the bottom plate of the shelf, 3, the first guide column, 4, the upper knife seat plate, 5, the guide sleeve, 6, the oil cylinder, 7, the splint, 8, the upper knife, 9, the third guide Column, 10, third guide sleeve, 11, return spring, 12, upper pressure block, 13, lower pressure block, 14, support column, 15, lower knife, 16, lower frame, 17, second guide column, 18 , reset pressure spring, 19, tray, 20, limit probe, 21, feed trough, 22, fixed plate, 23, adjusting bolts.

detailed description

The invention will now be described in further detail with reference to the accompanying drawings and embodiments, which are illustrated in a simplified schematic representation of the basic structure of the invention, and therefore only the structures relating to the invention.

As shown in FIG. 1 and FIG. 2, a forming device for integrating shearing and bending comprises: an upper frame and a lower frame arranged up and down, the upper frame comprising: an upper frame 1 and an upper frame connected together by a first guiding column 3 2, An upper blade seat plate 4 is further disposed between the upper frame 1 and the upper frame 2, and the upper blade plate 4 is sleeved with the first guide post 3 through the guide sleeve 5 provided by itself, and the upper blade plate 4 is driven by the oil cylinder 6 along the first The guide post 3 moves up and down, and the lower portion of the upper knife seat plate 4 is further connected to the upper pressing block 12 through a guiding device; the lower frame comprises: a lower pressing block 13 and a lower frame plate 16 respectively disposed above and below the upper frame bottom plate 2, and the lower pressing block 13 and the lower frame 16 are fixedly connected by the support column 14; the upper blade plate 4 is provided with an upper blade 8, and the upper frame 2 is provided with a lower blade 15, and the upper blade 8 and the lower blade 15 are disposed opposite each other.

In the preferred embodiment of the present invention, the top shelf 1, the upper shelf 2, the lower shelf 16 and the like are all rectangular structures, and the four first guide posts 3 are distributed at the four corners of the upper shelf 1 and the four second guides 17 Distributed at the four corners of the upper chassis 2, a plurality of return springs 11 and third guide posts 9 are distributed along both sides of the upper blade 8 in the axial direction.

A second guide post 17 is fixed on the upper bottom plate 2, and the second guide post 17 extends through the lower frame plate 16 and protrudes from a part of the bottom surface of the lower frame plate 16, that is, a protruding portion, and the free end of the protruding portion is provided with a tray 19 extending The sleeve is partially provided with a reset compression spring 18, and the two ends of the return compression spring 18 respectively abut against the bottom surfaces of the tray 19 and the lower frame 16.

The guiding device is a third guiding post 9 and a third guiding sleeve 10 which are sleeved with each other. The third guiding post 9 is fixedly connected to the upper pressing block 12, and the third guiding sleeve 10 is disposed on the upper knife seat plate 4, and the third guiding sleeve 10 A distance from the upper seat plate 4 is extended, and a return spring 11 is further disposed between the upper pressing block 12 and the upper knife 8 seat.

The oil cylinder 6 is fixedly disposed on the top plate 1 of the upper frame, and the oil cylinder 6 is connected to the upper knife seat plate 4 through a push column. The first guide post 3 is provided with a middle hole along the core axis thereof, and the oil pipe of the oil cylinder 6 penetrates the middle hole to communicate with the lower part of the molding device. Inside the fuel tank. In this way, the placement position of the pipe is relatively concealed, and the scattered arrangement of the oil pipe to avoid affecting the appearance of equipment and safety hazards.

A limit probe 20 is also disposed on the molding apparatus, which can detect whether the steel plate has entered by photoelectric detection or the like.

The upper blade 8 is fixed to the upper blade seat plate 4 by a clamping plate 7, and the lower blade 15 includes two blades disposed at a certain distance. The upper blade 8 can be located directly above the gap between the two blades, and the lower plate 16 is provided with a blanking material. Slot 21, the lower chute 21 is located directly below the gap. When the upper blade 8 shears the steel plate downward, the scrap can be dropped into the lower feed groove 21 through the gap between the two blades of the lower blade 15, without affecting the subsequent shear bending action.

The upper pressing block 12 is provided with two blocks, which are respectively located at two sides of the upper blade 8, and the upper pressing block 12 is connected to the third guiding column 9 through the fixing plate 22, and the adjusting block with the adjusting bolt 23 is passed between the upper pressing block 12 and the fixing plate 22. The connection is such that the gap between the upper block 12 and the upper blade 8 can be adjusted.

The lower pressing block 13 is provided with two blocks, which are respectively located on both sides of the lower blade 15, and the lower pressing block 13 is connected to the upper frame 2 through the fixing plate 22. The lower pressing block 13 and the fixing plate 22 are connected by the adjusting bolt 23, so that the pressing can be adjusted. The block 13 is spaced from the gap between the lower blades 15.

When the invention is used, as shown in Figures 1 and 2,

(1) Feeding step: the steel plate is sent to the molding device by the front conveying device, and the limit switch or the laser light control probe of the molding device receives the feeding signal and feeds back to the programmable controller, and the programmable controller acts against The driving cylinder or the cylinder 6 installed on the top plate of the upper frame issues an operation instruction;

(2) pressing step: the upper knife seat plate 4, the upper pressing block 12 and the upper knife 8 are integrally driven downward by the oil cylinder 6 (ie, the guide sleeve 5 of the upper blade seat plate 4 is relatively slid along the first guide post 3 ) until the upper pressing block 12 completely presses the steel plate on the lower pressing block 13;

(3) Cutting step: the cylinder 6 pushes the upper blade plate 4 and the upper blade 8 to continue downward movement (during the guiding and buffering action of the third guiding column 9 and the third guiding sleeve 10, the upper knife 8 and the upper pressing at this time) A relative movement is formed between the blocks 12, a relative movement between the upper knife 8 and the lower knife 15 occurs, and the upper knife 8 projects into the gap between the lower blades 15, thereby cutting the steel plate;

(4) Bending step: the cylinder 6 continues to move downward. At this time, between the upper frame and the lower frame, two specific components of the upper pressing block 12 and the lower pressing block 13 are pressed against each other to transmit the pressure of the oil cylinder 6, due to the oil cylinder 6 Continuously descending, at this time, the top plate 1, the upper bottom plate 2 and the first guide column 3 are lifted as a whole; when the upper bottom plate 2 is lifted, the lower knife 15 on the upper bottom plate 2 is also lifted upward, so the lower knife 15 The two blades are upwardly bent upward on both sides of the shearing portion of the steel plate;

In the cutting step of the step (3), the third guide post 9 and the third guide sleeve 10 between the upper blade seat plate 4 and the upper pressing block 12 serve as a guiding action, and between the upper blade seat plate 4 and the upper pressing block 12 The return spring 11 sleeved by the bolt acts as a buffering and resetting action. The third guide sleeve 10 extends downwardly from the upper blade seat plate 4 such that the upper pressure block 12 and the upper blade seat plate 4 do not abut together when pressed together, and the third guide sleeve 10 extends upward. The length of the length specifies the minimum distance between the two after compression. At the same time, the return spring 11 can ensure the stability of the steel plate clamped between the upper pressing block 12 and the lower pressing block 13.

In the bending step of the step (4), the second guide post 17 serves as a guiding action for the movement of the upper bottom plate 2, and the reset compression spring 18 serves as a buffering action and a resetting action between the upper frame and the lower frame.

The end portion of the protruding portion of the second guide post 17 is provided with an adjusting bolt 23, and the tray 19 at the end thereof can adjust the up and down position by adjusting the bolt 23, so that the resetting and returning spring 18 can be adjusted by adjusting the up and down position of the tray 19. Pre-tension, which in turn adjusts the lifting force of the upper frame.

The invention has the advantages that: a single power source (cylinder or cylinder 6 etc.) is used to complete two actions of shearing and bending at one time, and has high stability, low noise, shearing, high bending precision, simple and practical, Fast running speed, low cost and convenient maintenance.

The power source is a cylinder or a cylinder. The number of cylinders of the present invention may be one or two or even more, although the number may not be one, but since two or more cylinders are fixed on the top plate of the upper frame, and all the cylinders act The direct objects are all upper seat plates, the movements are synchronous at the same time, and the purpose of the movements are all consistent. Therefore, if the number of cylinders is two or more, it can be considered as a single power source based on the actual effect. . Therefore, in the case of two or more cylinders, two or more cylinders can be considered as a single unitary power source.

The above-described embodiments of the present invention are intended to be variously modified and modified without departing from the scope of the present invention. This item The technical scope of the invention is not limited to the contents of the specification, and the technical scope must be determined according to the scope of the claims.

Claims

A molding device for completing a shearing and bending by using a single power source, comprising: an upper frame and a lower frame provided by upper and lower sockets, wherein

The upper shelf includes: an upper shelf and an upper shelf connected together by the first guiding column, and an upper blade plate is further disposed between the upper shelf and the upper shelf, and the upper blade is sleeved by the guide sleeve provided by itself a guide post, the upper knife seat plate is driven by a power source to move up and down along the first guide post, and the lower portion of the upper blade seat plate is further connected to the upper clamp by a guiding device;

- The lower frame includes: a lower pressing block and a lower frame plate respectively disposed above and below the upper shelf, and the lower pressing block and the lower frame are fixedly connected by the supporting column, and the sliding guide of the second guiding column is disposed on the lower frame set;

- Upper knife is provided on the upper knife seat plate, and a lower knife is arranged on the upper bottom plate, and the upper knife and the lower knife are oppositely arranged.
The molding apparatus according to claim 1, wherein a second guide post is fixed on the upper bottom plate, and the second guide post is sleeved in the sliding guide sleeve and protrudes from the lower frame. a part of the bottom surface of the plate, that is, a protruding portion, the free end of the protruding portion is provided with a tray, and the protruding portion is sleeved with a reset pressing spring, and the two ends of the returning pressing spring respectively abut the tray and the lower frame Bottom surface.
The molding apparatus according to claim 1, wherein the guiding means are a third guide post and a third guide sleeve that are sleeved with each other.
The molding apparatus according to claim 3, wherein the third guide post is fixedly coupled to the upper pressing block, the third guiding sleeve is disposed on the upper blade seat plate, and the third guiding sleeve Extending the upper knife seat panel a distance.
The molding apparatus according to claim 3, wherein a return spring is further disposed between the upper pressing block and the upper holder.
The molding apparatus according to claim 1, wherein said power source is fixedly disposed on said upper frame.
The molding apparatus according to claim 6, wherein said power source is a cylinder or a cylinder, and said cylinder or cylinder is coupled to said upper holder plate by a flange on a push column.
The molding apparatus according to claim 7, wherein said first guide post is provided with a middle hole along its own core axis, and an oil pipe of said oil cylinder penetrates into said intermediate hole to communicate with a tubing connection port at a lower portion of the molding apparatus.
The molding apparatus according to claim 1, wherein a limit probe is further disposed on said molding apparatus.
The molding apparatus according to claim 1, wherein said upper blade is fixed to said upper holder plate by a splint.
The molding apparatus according to claim 1, wherein said lower blade includes two blades disposed at a distance, said upper blade being located directly above a gap between the two blades.
The molding apparatus according to claim 11, wherein the lower shelf is provided with a lower chute, and the lower chute is located directly below the gap.
A molding process using the molding apparatus according to claim 1, comprising the steps of:

(1) Cutting step: using a single power source to complete the cutting and bending action, the cutting step: the power source pushes the upper knife seat plate and the upper knife downward movement, due to the guiding and buffering action of the third guiding column and the third guiding sleeve, At this time, a relative movement is formed between the upper knife and the upper pressing block, and then a relative movement occurs between the upper knife and the lower knife, and the upper knife extends into the gap between the lower blades, thereby cutting the steel plate;

(2) Bending step: the power source continues to move downwards. At this time, between the upper frame and the lower frame, the two components of the upper pressing block and the lower pressing block are pressed to each other to transmit the power source pressure, and the power source continues to drive downward. When the downward pressure of the power source is greater than the reset pressure spring of the lower frame, the upper frame, the upper frame and the first guide column are lifted as a whole, and the lower knife on the upper bottom plate is also lifted upward, and the two blades of the lower knife are upward. The two sides of the shearing portion of the steel plate are respectively bent upward.