CN217191814U

CN217191814U - Bending die convenient for stripping

Info

Publication number: CN217191814U
Application number: CN202220469903.4U
Authority: CN
Inventors: 赵利善; 唐建军; 孙小毅
Original assignee: Mianyang Xinyang Electronic Technology Co ltd
Current assignee: Mianyang Xinyang Electronic Technology Co ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-08-16
Anticipated expiration: 2032-03-07

Abstract

The utility model provides a mould of bending convenient to take off material, relates to the mould of bending and takes off material technical field, and the technical scheme who adopts includes mould and lower mould, it includes the upper die base to go up the mould, the upper die base is provided with the punch holder, the upper die base has through first spring coupling and takes off the backplate, it is provided with the stripper to take off the backplate, it is provided with the groove of bending to go up the stripper, bend the inslot and be provided with slide and slider, the slide with take off backplate releasable connection, the slide is provided with the slide rail of punch holder slope, the slider be provided with slide rail sliding connection's spout, the upper die base has through second spring coupling and is used for the oppression the gliding ejector pin of slider, the punch holder with take off the backplate all be provided with ejector pin sliding connection's the spout that link up, the end of ejector pin with the slider contact. The utility model discloses utilize second spring, ejector pin to drive the slider and slide during the die sinking, make it break away from with the work piece and accomplish and take off the material, compact structure, the slip volume is little.

Description

Bending die convenient for stripping

Technical Field

The utility model relates to a mould of bending takes off material technical field, especially relates to a mould of bending convenient to take off material.

Background

The bending forming work principle is that the upper die and the lower die are respectively fixed on an upper working table and a lower working table of a bending machine, the relative motion of the working tables is driven, and the shapes of the upper die and the lower die are combined, so that the bending forming of the plate is realized. But the material that takes off of work piece after bending at present generally uses the thimble, and the structure is comparatively complicated, and occupation space is big, moreover takes off the material in-process and makes the work piece that the area is great produce the deformation easily.

SUMMERY OF THE UTILITY MODEL

To take off material mechanism structure complicacy among the prior art scheme, occupation space is big, can make the work piece warp the scheduling problem, the utility model provides a mould of bending convenient to take off material.

The utility model provides a following technical scheme: the utility model provides a mould of bending convenient to take off material, includes mould and lower mould, it includes the upper die base to go up the mould, the upper die base is provided with the punch holder, the punch holder has the backplate through first spring coupling, it is provided with the stripper to take off the backplate, it is provided with the groove of bending to take off the backplate, bend the inslot and be provided with slide and slider, the slide with take off backplate releasable connection, the slide is provided with the slide rail of punch holder slope, the slider be provided with slide rail sliding connection's spout, the punch holder has through the second spring coupling and is used for the oppression the gliding ejector pin of slider, the punch holder with take off the backplate all be provided with ejector pin sliding connection's the spout that link up, the end of ejector pin with the slider contact.

Preferably, the included angle between the slide rail and the side wall of the slide seat is 45 degrees, and the maximum distance between one surface of the slide block facing the back releasing plate and the back releasing plate is 1 mm.

Preferably, the slide is provided with two parallel slide rails.

Preferably, the lower mould includes the die holder, one side of die holder orientation upper die base has set gradually lower bolster and lower bolster, the lower bolster is provided with the mounting groove, be provided with in the mounting groove and bend the kicking block, bend the kicking block releasable connection in on the lower bolster, bend the kicking block with mounting groove sliding connection just bend and be provided with between kicking block and the die holder and be used for the drive bend the gliding third spring of kicking block.

The beneficial effects of the utility model are that: utilize slider and slide to form sliding construction, the slider also has the effect of drift concurrently, utilizes second spring, ejector pin to drive the slider and slides during the die sinking, makes it break away from with the work piece, compact structure, and the slippage is little, and occupation space is little to the slider area is big, can avoid the work piece to take place to warp.

Drawings

Fig. 1 is a schematic view of a mold closing state according to an embodiment of the present invention.

Fig. 2 is a schematic view of the mold opening state according to an embodiment of the present invention.

Figure 3 is a side view of one embodiment of the middle slide and slider of the present invention.

Fig. 4 is a top view of an embodiment of the middle slider and the sliding block of the present invention.

Reference numerals: 1-an upper die holder, 2-an upper clamping plate, 3-a stripping plate, 4-an upper stripping plate, 41-a bending groove, 5-a sliding seat, 51-a sliding rail, 6-a sliding block, 61-a sliding groove, 7-a second spring, 8-a top rod, 9-a lower die holder, 10-a lower backing plate, 11-a lower die plate, 12-a bending insert, 13-a bending floating block, 14-a third spring and 15-a workpiece.

Detailed Description

The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings and reference numerals, so that those skilled in the art can implement the embodiments after studying the specification. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The utility model provides a bending die convenient for stripping as shown in figures 1-4, which comprises an upper die and a lower die, the upper die comprises an upper die holder 1, the upper die holder 1 is provided with an upper clamping plate 2, the upper die holder 1 is connected with a stripping plate 3 through a first spring, the stripping plate 3 is provided with an upper stripping plate 4, the upper stripping plate 4 is provided with a bending groove 41, a sliding seat 5 and a sliding block 6 are arranged in the bending groove 41, the sliding seat 5 is detachably connected with the demoulding plate 3, the sliding seat 5 is provided with a sliding rail 51 which is inclined towards the upper die holder, the slide block 6 is provided with a slide groove 61 which is connected with the slide rail 51 in a sliding way, the upper die holder 1 is connected with a mandril 8 which is used for pressing the slide block 6 to slide through a second spring 7, the upper clamping plate 2 and the backing plate 3 are both provided with through chutes in sliding connection with the ejector rods 8, and the tail ends of the ejector rods 8 are in contact with the sliding blocks 6.

The upper clamp plate 2 can be connected to the upper die base 1 through bolts, the upper stripping plate 4 can be connected to the stripping plate 3 through bolts, and the sliding seat 5 can be connected to the stripping plate 3 through bolts, so that the assembly and the disassembly are convenient. The demoulding plate 3 is connected with the upper die holder 1 through a first spring, so that the demoulding plate 3 can be displaced with the upper clamping plate 2, and the first spring is an extension spring. The slide rail 51 of the slide 5 is inclined toward the upper die holder 1 to support the slider 6, and the slider 6 can slide along the inclined direction of the slide rail 51. The second spring 7 is a compression spring, the ejector rod 8 can push the sliding block 6 to the direction of the lower die holder under the pushing of the second spring 7, so that the sliding block can slide along the inclined direction of the sliding rail 51, and the distance between the sliding block 6 and the stripper plate 3 and the workpiece 15 is changed in the sliding process, so that the functions of abdicating and stripping are achieved. Further, the one end that ejector pin 8 and second spring 7 are connected still is provided with spacing cap, makes it can block on the link up spout, prevents that ejector pin 8 from deviating from completely and link up the spout. The sliding block 6 is contacted with the workpiece 15 during bending, plays a role of a punch and is matched with the lower die to bend the workpiece 15; the height of the slide 6 and the slide 5 can be the same.

When the utility model works, the mould is firstly in a mould opening state, a flat workpiece is sent to the lower mould, then the mould is closed, as shown in figure 1, in the mould closing process, the slide block 6 slides upwards and leftwards under the compression of the lower mould and the workpiece until the slide block is attached to the backing plate 3, after the mould is closed, the workpiece 15 is bent under the extrusion of the slide block 6 and the lower mould, and the ejector rod 8 compresses the second spring 7; then the mould is opened, the demoulding plate 3 and the upper demoulding plate 4 slide downwards in the state after the mould is opened as shown in figure 2, meanwhile, the second spring 7 resets to push the ejector rod 8 to move downwards, and then the slide block 6 is pushed to slide towards the lower right, so that a gap is formed between the slide block 6 and the workpiece 15, and demoulding is completed.

Preferably, as shown in fig. 3, an included angle α between the slide rail 51 and a side wall of the slide carriage 5 is 45 °, a maximum distance between a surface of the slider 6 facing the stripper plate 3 and the stripper plate 3 is 1 mm, and a gap between the slider 6 and the workpiece 15 is 1 mm at most, so as to reduce a sliding amount as much as possible and make the structure compact.

Preferably, the slide 5 is provided with two parallel sliding rails 51.

Preferably, the lower mould includes die holder 9, die holder 9 has set gradually lower bolster 10 and lower bolster 11 towards one side of upper die base 1, lower bolster 11 is provided with the mounting groove, be provided with in the mounting groove and bend into son 12 and bend the kicking block 13, bend into son 12 releasable connection on lower bolster 10, bend the kicking block 13 with mounting groove sliding connection just bend and be provided with between kicking block 13 and the die holder 9 and be used for the drive bend the gliding third spring 14 of kicking block 13. The third spring 14 is a compression spring. When the die is closed, the bending floating block 13 is pressed downwards to form an included angle with the bending insert 12, and under the extrusion of the sliding block 6, the workpiece 15 is attached to the surfaces of the bending insert 12 and the bending floating block 13 to finish bending; after the mold is opened, the bending floating block 13 is reset under the pushing of the third spring 14.

The foregoing is directed to one or more embodiments of the present invention, which are described in some detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a mould of bending convenient to take off material, includes mould and lower mould, it includes upper die base (1) to go up the mould, upper die base (1) is provided with punch holder (2), there is backplate (3) in upper die base (1) through first spring coupling, it is provided with and takes off board (4) to take off backplate (3), it is provided with bending groove (41), its characterized in that to take off board (4) on to go up: be provided with slide (5) and slider (6) in bending groove (41), slide (5) with take off backplate (3) releasable connection, slide (5) are provided with slide rail (51) to the die holder slope, slider (6) be provided with slide rail (51) sliding connection's spout (61), upper die base (1) is connected with through second spring (7) and is used for the oppression slider (6) gliding ejector pin (8), punch holder (2) and take off backplate (3) all be provided with ejector pin (8) sliding connection's the spout that link up, the end of ejector pin (8) with slider (6) contact.

2. The bending die convenient for stripping according to claim 1, characterized in that: slide rail (51) and slide (5) lateral wall between the contained angle be 45, slider (6) orientation take off the one side of backplate (3) with the maximum distance of taking off backplate (3) is 1 mm.

3. The bending die convenient for stripping according to claim 1, characterized in that: the sliding seat (5) is provided with two parallel sliding rails (51).

4. The bending die convenient for stripping according to claim 1, characterized in that: the lower mould includes die holder (9), one side of die holder (9) orientation upper die base (1) has set gradually lower bolster (10) and lower bolster (11), lower bolster (11) are provided with the mounting groove, be provided with in the mounting groove and bend son (12) and kicking block (13) of bending, bend son (12) releasable connection in on lower bolster (10), kicking block (13) of bending with mounting groove sliding connection just be provided with between kicking block (13) of bending and the die holder (9) and be used for the drive the gliding third spring (14) of kicking block (13) of bending.