CN1087980C

CN1087980C - Ejecting device for punching machine

Info

Publication number: CN1087980C
Application number: CN99123991A
Authority: CN
Inventors: 曹建立
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-11-23
Filing date: 1999-11-23
Publication date: 2002-07-24
Anticipated expiration: 2019-11-23
Also published as: CN1254627A

Abstract

The present invention discloses an ejecting device for punching machines. The upper end of an upper deflector rod 2 of the ejecting device for punching machines is provided with an upper hinge 21 connected with a punching machine body 1; a rod body of the upper deflector rod 2 is connected with a connecting rod 4 through a middle hinge; the other end of the connecting rod 4 is provided with a rod fixing hinge 41 used for connecting a slide block 6 of a punching machine; a lower hinge 31 connected with the punching machine body 1 is arranged near the middle position of a lower deflector rod 3; a rod body of the lower deflector rod 3 is connected with two return springs 34; the other end of each return spring 34 is respectively connected with the punching machine body 1. The present invention is provided with an open punching machine of a composite mold for match, and can automatically eject blanking finished goods. The present invention has the advantages of simple structure and low cost.

Description

The ejecting device that is used for punch press

The present invention relates to a kind of punch press field.

At present, utilize the punch press processing parts, generally adopt composite die and continuous mould, open type punch press assembling composite die processing parts, finished product generally drops on the sheet material of stamping-out, must dial away finished product from sheet material through manually-operated, the production efficiency that works together is low, and poor stability; The assembling continuous mould is processed, and must dispose automatic feed mechanism, just can realize the automation continuous stamping, but use the continuous mould processed finished products, and the precision of finished product is relatively poor, and the higher feed mechanism of palpus configuration precision, involves great expense, and also is not suitable for the stamping-out of leftover pieces.

The purpose of this invention is to provide a kind of ejecting device, it matches with the open type punch press that composite die is housed, and can automatically the finished product of stamping-out be got, and realizes continued operation.

The technology used in the present invention division is: the ejecting device that is used for punch press, a fixed block by the upper hinge connection is established in driving lever upper end on it, fixed block connects the body of punch press, establish connecting rod at the last driving lever body of rod, one end of connecting rod links to each other with last driving lever by middle hinge, at the connecting rod other end, the vertical horizontal fixed bar of establishing with connecting rod, fixed bar is connected by the fixed bar hinge with connecting rod, and fixed bar is in order to be connected with the slide block of punch press; Set aside and establish a contiguous block on the club shaft, contiguous block is connected on the spacer by following hinge, and spacer is set aside two return springs of ining succession on the club shaft in order to be connected with the punch press body, and the other end of two return springs is in order to be connected with the body of punch press; During use, the lower end of the last driving lever of vertical direction with horizontal square to the drive end of setting aside club shaft can intersect.

As a kind of improvement technical scheme of the present invention be: it is tabular that following driving lever is got the finished product end, establishes a flanging on the side direction of plate.

The present invention is work like this, the driving lever of going up of the present invention is positioned on the punch press body by hinge, last driving lever can center on the hinge swing, connecting rod is connected with hinge with slider of punch, connecting rod one end is along with slider of punch moves up and down, and the driving of the connecting rod other end is gone up driving lever and vertically moved back and forth, and last driving lever is also just stirred down driving lever and laterally swung back and forth, thereby the finished product of stamping-out is opened, realized the continued operation of punch press processing; For driving lever is transferred to towards part, the present invention gets the finished product end to driving lever down and makes tabularly, establishes a flanging on the side direction of plate.When the punch press matched moulds, last driving lever is stirred down driving lever and is driven punching to a lateral movement, makes punching get out of the way the stamping-out of punch press; Last driving lever separates with following driving lever in the process of stirring, after the separation, last driving lever continues swing, the then swing in the opposite direction under the effect of return spring of following driving lever, when punch press is finished the stamping-out die sinking, last driving lever is swung to opposite side, and in the reciprocally swinging process, intersect and stir down that driving lever moves to opposite side with following driving lever, when driving lever is put certain position instantly, upper and lower driving lever separates, following driving lever drives the pendulum that re-packs with certain acceleration and goes back under the effect of return spring, thereby gets the stamping-out finished product that falling.The present invention and the open type punch press that composite die is housed match, and can realize automatically the stamping-out finished product being got out, and realize continued operation, and this invention is simple in structure, and cost is low.

Below in conjunction with accompanying drawing the utility model is elaborated.

Fig. 1 is used for the schematic diagram of the ejecting device of punch press for the utility model.

Fig. 2 be among Fig. 1 A to schematic diagram.

Fig. 3 be among Fig. 1 C-C to schematic diagram.

Fig. 4 be among Fig. 1 B-B to schematic diagram.

As shown in Figure 1, the ejecting device that a kind of punch press is used, the upper end of last driving lever 2 is connected with punch press body 1 by upper hinge 21, during use, last driving lever 2 is positioned on the body 1 of punch press around upper hinge 21 in the vertical directions, and last driving lever 2 can center on upper hinge 21 in the vertical direction swings; For the ease of on the body 1 of punch press, installing, can be positioned at upper hinge 21 on the fixed block 11 earlier, fixed block 11 relocates on the body 1 of punch press, need not change arbitrary component shape of punch press body 1 like this, just can be positioned at last driving lever 2 on the body 1 of punch press by fixed block 11 easily, last driving lever 2 bodies of rod can be done complete joint formula or tie up the joint formula, can regulate the length of driving lever 2 like this, and then the following amplitude of oscillation of driving lever 3 of control, so that the speed that driving lever 3 gets and the speed of finished product whereabouts are adapted; Be connected by middle hinge 22 between last driving lever 2 and the connecting rod 4, last driving lever 1 is connected with the slide block 6 of punch press by connecting rod 4 usefulness fixed bar hinges 41, and connecting rod 4 length can be regulated, to regulate the amplitude of oscillation of driving lever 2; For ease of installing, connect a fixed bar 4 at connecting rod 4 other ends by fixed bar hinge 41 as shown in Figure 3, fixed bar 4 is connected on the slider of punch 6; On punch press body 1, the end of getting that driving lever 2 can dial driving lever 3 bodies of rod is just gone up in getting end and can intersecting of the lower end that should guarantee vertical last driving lever 2 simultaneously and horizontal following driving lever 3 bodies of rod to the body of rod of following driving lever 3 by following hinge 31 located lateral; Be illustrated in figure 2 as convenient the connection, can establish a spacer 33, need not change arbitrary component shape of punch press body 1 like this, just can be easily be fixed on the body 1 of punch press by driving lever 3 under 33 of the locating pieces in hinge 31 upper ends down; In order to make down hinge 31 rotate flexibly, lubricate conveniently, can below spacer 33, fix one case piece 32, establish a cavity in the middle of the case piece 32, the T-shape head is made in following hinge 31 upper ends, be stuck in case piece 32 cavity places, hinge 31 is not only rotated flexibly, and be difficult for from case piece 32, deviating from again, case piece 32 tops also are provided with aperture, are convenient to hinge 31 under the drip lubrication; Can also establish a contiguous block 35 on driving lever 3 bodies of rod down as shown in Figure 4, following driving lever 3 is contained on the contiguous block 35 and can regulates the length of driving lever 3 down, so that coordinate getting the time of punching, following hinge 31 lower ends link to each other with contiguous block 35, the height of hinge 31 under regulating between spacer 33 and the contiguous block 35, can regulate and set aside the height of bar 3 bodies of rod, so that operation with respect to the punch press counterdie.In order to get the stamping-out finished product, following driving lever 3 is got the finished product end and is made tabularly, establishes a flanging on the side direction of plate; Following driving lever 3 bodies of rod have return spring 34, return spring 34 1 ends are fixed on the contiguous block 35, return spring 34 other ends are fixed on the body 1 of punch press, return retainer spring 34 and generally can be two, be certain angle between two springs, but be not equal to 0 degree, the force action of two return spring 34 generations is on following driving lever 3 bodies of rod, make down driving lever 3 static relatively and be parked in a suitable position, when last driving lever 2, when following driving lever 3 separates in the process of stirring, make down return spring 34 with joint efforts driving lever 3 backswing to original position, and when backswing, produce an acceleration, make punching get finished product; Return spring 34 also can be the helical line spring, helical line spring one end is fixed on the following hinge 31 between spacer 33 and the contiguous block 35, the other end of helical line spring is fixed on the spacer 33, and the installation site of two return springs 34 is eclipsed forms up and down, and the intensity of regulating spring is to coordinate down the motion conditions of driving lever 3 and punching.

Claims

1, a kind of ejecting device that is used for punch press, it is characterized in that: go up driving lever (2) upper end and establish a fixed block (11) by upper hinge (21) connection, fixed block (11) connects the body (1) of punch press, establish connecting rod (4) at last driving lever (2) body of rod, one end of connecting rod (4) links to each other with last driving lever (2) by middle hinge (22), at connecting rod (4) other end, the vertical horizontal fixed bar (5) of establishing with connecting rod (4), fixed bar (5) is connected by fixed bar hinge (41) with connecting rod (4), and fixed bar (5) is in order to be connected with the slide block (6) of punch press; Establish a contiguous block (35) on following driving lever (3) body of rod, described contiguous block (35) is connected on the spacer (33) by following hinge (31), spacer (33) is in order to be connected with punch press body (1), two return springs (34) of ining succession on following driving lever (3) body of rod, the other end of described two return springs (34) is in order to be connected with the body (1) of punch press; During use, the lower end of the last driving lever (2) of vertical direction with horizontal square to the drive end of following driving lever (3) body of rod can intersect.

2, the ejecting device that is used for punch press according to claim 1 is characterized in that: it is tabular that following driving lever (3) is transferred to the finished product end, establishes a flanging on the side direction of plate.