CN102151735A

CN102151735A - Process method for realizing product edge circle rolling in moulds

Info

Publication number: CN102151735A
Application number: CN2010105752251A
Authority: CN
Inventors: 左金
Original assignee: JINZHAO ELECTROMECHANICAL DEVELOPMENT Co Ltd TIANJIN
Current assignee: JINZHAO ELECTROMECHANICAL DEVELOPMENT Co Ltd TIANJIN
Priority date: 2010-12-06
Filing date: 2010-12-06
Publication date: 2011-08-17

Abstract

The invention relates to a process method for realizing product edge circle rolling in moulds. The process method comprises two procedures, namely a first procedure and a second procedure. The first procedure comprises the following steps: pre-bending and edge cutting, placing a sheet on a first concave mould with a square notch, aligning a cutting edge of a punch head with a cutting edge of the first concave mould, moving the punch head downwards, cutting irregularly-shaped or redundant edge materials to lead the edge of the sheet to form a downward bent part; the second procedure comprises the following steps: circle rolling, clamping the sheet processed in the first procedure between an upper mould and a lower mould, aligning the outer side surface of a vertical part of the sheet with a guiding surface of a circle rolling groove on a second concave mould, simultaneously moving the upper mould and the lower mould downwards and carrying out circle rolling to the end part of the sheet. With the adoption of the process method, the common four procedures are simplified into the two procedures, the number of moulds is also reduced through simplifying the procedures; the number of moulds are simplified from the prior four to the two, so that the cost of the moulds is saved; the corresponding labor and equipment is also reduced by half; and the working efficiency of the circle rolling is improved.

Description

A kind of process that in mould, realizes product edge volume circle

Technical field

The present invention relates to product edge is rolled up round process particularly a kind of process that in mould, realizes product edge volume circle.

Background technology

The volume circle is that the panel beating product is used to eliminate the most frequently used method of sharpened edge, the panel beating product is finished edge curl through the mould operation, and the piercing portion bending to being not easy position contacting, is realized the edge smooth transition, and the product of cooperation is imported easily, avoid causing personal injury during carrying.Curling process method commonly used is divided into four operations usually, and as described in Figure 2, first procedure is: blanking trimming, plate 1 are fixedly installed on first die 2, and blanking punch 3 is descending, with erose or unnecessary rim charge excision.Second operation work: front end bends, and the plate of removing rim charge is placed on second die 4, compresses with stripper 6, and first Bending punch 5 is descending, and the plate front end is bended.Three process is: the front end secondary bends, and the plate that second operation is handled is placed on the 3rd die 7, compresses with stripper, and second Bending punch 8 is descending, and the plate front end is further bended.The 4th procedure is: volume circle is revised, and the dogleg section of the plate that three process is handled is placed in the volume round recessed of the 4th die 9, and the convex module 10 extruding plates of upper end are shaped the bending part bundling circle of plate.Above-mentioned curling process method commonly used can realize that product edge is curling, but the problem that this curling process exists is: operation is more, need above procedure position of at least four steps to realize for progressive die, for the particularly large-scale one-shot mould of one-shot mould, need to increase mould, corresponding increase die cost, and when punching production, also can take great amount of manpower and material resources.

Summary of the invention

The present invention provides a kind of operation simpler for solving the technical problem that exists in the known technology, saves mould and artificial, the process that realizes product edge volume circle in mould that reduces production costs.

The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is:

A kind of process that in mould, realizes product edge volume circle, this process comprises two operations, first operation is: pre-bending is cut edge, plate is placed on first die that has square breach, the cutting edge and first cutting edge of die of drift are aligned, drift is descending, and the rim charge excision with erose or unnecessary makes slab edge form downward dogleg section; Second operation is: volume circle, the plate that first operation is handled is clamped between the upper and lower mould, make plate vertically the guiding face of the volume round recessed on lateral surface and second die of part align, upper and lower mould is simultaneously descending, and the end volume of plate is round.

Advantage and good effect that the present invention has are:

Process of the present invention has been simplified volume sired results preface, is reduced to two operations by four operations commonly used; Operation is simplified and is also reduced number of molds, is reduced to two covers by original quadruplet mould, has saved die cost, and manpower and equipment also are reduced to original half accordingly, has improved the operating efficiency of volume circle.

Description of drawings

Fig. 1 is the end-state figure of the first operation end-state figure of the present invention and second operation;

Fig. 2 is the state diagram in two stages of first operation of the present invention;

Fig. 3 is the state diagram of the three phases of second operation of the present invention;

Among the figure: 1, drift; 2, first die; 3, plate; 4-1, patrix; 4-2, counterdie; 5, second die; 6, volume round recessed; 7, guiding face.

Fig. 4 is the state diagram of four operations of the described process of background technology part.

Among the figure: 1, plate; 2, first die; 3, blanking punch; 4, second die; 5, first Bending punch; 6, stripper; 7, the 3rd die; 8, second Bending punch; 9, the 4th die; 10, convex module.

The specific embodiment

For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:

See also Fig. 1 and 2, a kind of process that in mould, realizes product edge volume circle, this process comprises two operations, first operation is: pre-bending is cut edge, plate 3 is placed on first die 2 that has square breach, the cutting edge of drift 1 and the cutting edge of first die are aligned, drift is descending, rim charge excision with erose or unnecessary makes slab edge form downward dogleg section.Particularly, the square breach of above-mentioned first die is located at the die upper end edge relative with the drift cutting edge, the right angle, lower end of square breach forms the cutting edge of first die, interact with the cutting edge of drift, rim charge is excised, right angle, the upper end face of square breach supports plate, make plate form downward bending in this position, the preferred square notch of above-mentioned square breach, under the situation that adopts square notch, the dogleg section of plate is rule, section is smooth, and be beneficial to the postorder curling process, also suitable knuckle can be set, avoid wedge angle to cause stress to concentrate at the connecting portion of breach.Second operation is: volume circle, the plate that first operation is handled is clamped between patrix 4-1 and the counterdie 4-2, make plate vertically the guiding face 7 of the volume round recessed 6 on lateral surface and second die 5 of part align, upper and lower mould is simultaneously descending, and the end volume of plate is round.Particularly, the plate vertical direction of the edge bending that first operation is formed is placed, the lateral surface of vertical part of plate and the vertical plane of patrix groove are adjacent to, pass through the horizontal component of the tight plate of upper and lower die clamp then, adjust the relative position of the patrix 4-1 and second die, the lateral surface of the vertical part of plate is alignd with the guiding face 7 of second die volume round recessed, and the dogleg section of plate enter volume round recessed upper end.The volume round recessed of second die is made of the arc surface that the plane of both sides, top is connected with the bottom in this operation, and wherein to enter the plane of a side be guiding face 7 to the plate dogleg section, and the top of guiding face needs to be provided with the transition inclined-plane, so that the smooth importing of plate.

Claims

1. in mould, realize the round process of product edge volume for one kind, this process comprises two operations, first operation is: pre-bending is cut edge, plate is placed on first die that has square breach, the cutting edge and first cutting edge of die of drift are aligned, drift is descending, and the rim charge excision with erose or unnecessary makes slab edge form downward dogleg section; Second operation is: volume circle, the plate that first operation is handled is clamped between the upper and lower mould, make plate vertically the guiding face of the volume round recessed on lateral surface and second die of part align, upper and lower mould is simultaneously descending, and the end volume of plate is round.