CN218744510U - Anti-scratch adjusting type bending die structure - Google Patents

Abstract

The utility model discloses a prevent scotch regulation formula mould structure of bending, including from the top down in proper order the punch holder, on take off the board, the die board, lower bolster and die holder, on take off the board on the vertical terrace die of bending of wearing to be equipped with, be equipped with the material piece that takes off that corresponds the terrace die of bending on the die board, the below of taking off the material piece is connected with the ejector pin, the ejector pin is vertical to wear to locate on the lower bolster, the lower extreme of ejector pin is equipped with first spring, first spring mounting is in the die holder, the vertical slider slotting tool that wears to be equipped with on the punch holder, the downward vertical passing of slider slotting tool takes off the board, be equipped with the take-up seat in the die board, the take-up seat sets up in the side of taking off the material piece, sliding connection has the slider of bending on the take-up seat, the side of keeping away from the material piece in the upper end of the slider of bending is equipped with the inclined plane of cooperation slider slotting tool, the below of bending is connected with the second spring that the level set up. The utility model has the advantages that: the product appearance is not easy to scratch, and the product quality can be improved; the die maintenance frequency is reduced, the manufacturing cost is saved, and the bending process is stable and effective.

Description

Anti-scratch adjusting type bending die structure

Technical Field

The utility model relates to a mould technical field of bending specifically is an anti-friction hinders regulation formula mould structure of bending.

Background

The conventional bending die structure (as shown in fig. 4) includes a bending male die 101 disposed on an upper stripper plate, a stripper block 102 and a forming female die 103 disposed on a female die plate, a ram 104 disposed in a lower backing plate, and a spring 105 disposed in a lower die holder. The bending die comprises the following steps in the forming process: in an initial state, the upper stripper plate fixing and bending male die 101 is in a die opening state, the ejector rod 104 applies acting force to the stripper block 102 under the driving of the spring 105, so that the stripper block is always higher than the upper plane of the forming female die 103, and a product before forming and bending is positioned on the stripper plate; when the upper stripping plate moves downwards, the synchronous bending male die 101 moves downwards, the bending male die 101 and the stripping block 102 exert acting force on a product, the upper stripping plate continues to move downwards, the stripping block 102 is stressed to move downwards, when the stripping block 102 moves to a certain distance, the product is in contact with the bending female die 103, the stripping block 102 continues to move downwards, the ejector rod 104 is synchronously driven to move downwards, the spring 105 contracts, the upper stripping plate and the lower female die are completely closed, and the whole bending forming process is completed. The product molding is finished, the gap between the bending male die 101 and the bending female die 103 is the material thickness of the product, so the molding bending gap can not be adjusted, and meanwhile, the gap is always consistent with the thickness of the product from the initial molding state to the final molding state, so the product is easy to scratch in the molding and bending process, the product appearance is influenced, the shutdown frequency is increased, the part maintenance frequency and the manufacturing cost are increased, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent scotch regulation formula mould structure of bending to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-friction regulation formula mould structure of bending, includes from the top down in proper order punch holder, goes up takes off board, die board, lower bolster and die holder, on take off the vertical terrace die of bending of wearing to be equipped with on the board, be equipped with the material piece that takes off that corresponds the terrace die of bending on the die board, the below of taking off the material piece is connected with the ejector pin, the ejector pin is vertical to be worn to locate on the lower bolster, the lower extreme of ejector pin is equipped with first spring, first spring mounting is in the die holder, vertically wear to be equipped with the slider slotting tool on the punch holder, the downward vertical passing of slider slotting tool takes off the board, be equipped with the slider seat in the die board, the slider seat sets up in the side of taking off the material piece, sliding connection has the slider of bending on the slider seat, the side that the material piece was kept away from to the upper end of bending is equipped with the inclined plane of cooperation slider slotting tool, the below of bending the slider is connected with the second spring that the level set up.

Preferably, the upper end of the inclined plane is close to the stripping block, the lower end of the inclined plane is far away from the stripping block, the lower end of the sliding block slotting tool is provided with a slotting tool edge matched with the inclined plane, and the sliding block is pushed to move towards the stripping block by matching of the slotting tool edge and the inclined plane.

Further preferably, an included angle between the cutting edge of the male die in the vertical direction of the bending male die and the bottom surface of the bending male die is smaller than a certain degree, so that the bending angle of the product is accurate.

Further preferably, a bending bulge is arranged above the bending sliding block and close to the cutting edge end of the male die, and is used for bending the product.

Preferably, the end, close to the stripping block, of the second spring is abutted to the sliding block seat, the end, far away from the stripping block, of the second spring is abutted to the bending sliding block, and the bending sliding block is reset through the second spring.

Further preferably, the side edge, far away from the stripping block, of the bending sliding block is provided with a protection block, the protection block is fixed in the cavity plate, the structural strength of a vulnerable part of the cavity plate can be enhanced, the manufacturing cost of the cavity plate is reduced, the number of times of repairing the mold is reduced, the cost of repairing the mold is reduced, and the service life of the cavity plate is prolonged.

Preferably, a set screw is arranged below the first spring, the set screw is screwed on the lower die holder, and the first spring is mounted and limited on the lower die holder through the set screw.

Preferably, the ejector rod is of an inverted T-shaped structure, the upper end of the first spring is abutted to the ejector rod, the lower end of the first spring is abutted to the stop screw, the ejector rod is reset through the first spring, and then the stripping block is reset.

Has the advantages that: the utility model discloses an anti-friction scratch regulation formula mould structure of bending makes the ejector pin can the up-and-down motion through first spring, realizes taking off the product reset of material piece and will bend the product jack-up, can lift the product material area simultaneously, guarantees that the product can be along with taking off the material piece synchronous motion in the bending process, guarantees the bending precision of product, reduces the scotch; the bending sliding block can be driven to horizontally move through the sliding block slotting tool and the inclined plane on the bending sliding block, so that the product can be bent; the horizontal reset of the bending sliding block is realized through the second spring, the vertical reset of the stripping block is realized through the first spring, the movement process is simple and effective, and the two springs do not interfere with each other; in the whole bending process, the bending gap can be adjusted, the appearance of a product is not easy to scratch, and the quality of the product can be improved; the die has the advantages that the die maintenance frequency is reduced, the manufacturing cost is saved, the production efficiency is improved, the bending process is stable and effective, and lean production is realized.

Drawings

Fig. 1 is a schematic view of the bending forming initial state structure of the anti-scratch adjustable bending mold structure disclosed in the embodiment of the present invention;

fig. 2 is a structural schematic view of a bending forming ending state of the anti-scratch adjustable bending die structure disclosed in the embodiment of the present invention;

fig. 3 is an enlarged schematic structural view of a portion a in fig. 2 according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a conventional bending mold disclosed in the background of the present invention.

Reference numerals: 1-upper clamping plate, 2-upper supporting plate, 3-concave mould plate, 4-lower backing plate, 5-lower mould base, 6-bending convex mould, 7-slide block slotting tool, 8-stripping block, 9-top rod, 10-first spring, 11-stop screw, 12-bending slide block, 13-slide block base, 14-second spring, 15-protecting block, 16-inclined plane, 17-slotting tool edge, 18-convex mould edge, 19-bending bulge, 20-product, 101-bending convex mould, 102-stripping block, 103-forming concave mould, 104-top rod and 105-spring.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-3, an anti-scratch regulation type bending die structure comprises an upper clamping plate 1, an upper stripping plate 2, a concave die plate 3, a lower cushion plate 4 and a lower die holder 5 from top to bottom in sequence, wherein a bending convex die 6 vertically penetrates through the upper stripping plate 2, a stripping block 8 corresponding to the bending convex die 6 is arranged on the concave die plate 3, an ejector rod 9 is connected below the stripping block 8, the ejector rod 9 vertically penetrates through the lower cushion plate 4, a first spring 10 is arranged at the lower end of the ejector rod 9, and the first spring 10 is arranged on the lower die holder 5. The stripping block 8 is arranged in the cavity plate 3 and is in clearance fit with the cavity plate 3, the clearance is single side +0.01mm, the first spring 10 ensures that the ejector rod 9 is subjected to elasticity in the vertical direction, so that the ejector rod 9 can move up and down, the stripping block 8 can be ensured to descend during bending, the stripping block can be jacked upwards after the bending is completed, the stripping block 8 is reset, the bent product 20 is jacked, meanwhile, the product material belt can be lifted before the bending, the product 20 can be ensured to synchronously move along with the stripping block 8 during the bending process, the bending precision of the product 20 is ensured, and scratches are reduced; and the first spring 10 drives the ejector rod 9 to enable the stripping block 8 to vertically reciprocate, the movement process is simple and effective, and the horizontal movement of the bending sliding block 12 is not interfered with each other.

In this application, the slider slotting tool 7 is vertically worn to be equipped with on the punch holder 1, and the downward vertical passing of slider slotting tool 7 takes off board 2, is equipped with slider seat 13 in the cavity die board 3, and slider seat 13 sets up in the side of taking off material piece 8, and sliding connection has slider 12 of bending on slider seat 13, and the side of taking off material piece 8 is kept away from to the upper end of slider 12 of bending is equipped with the inclined plane 16 of cooperation slider slotting tool 7, and the below of slider 12 of bending is connected with the second spring 14 that the level set up. The bending sliding block 12 is in clearance fit with the sliding block seat 13, the clearance is single side +0.005mm, the sliding block 12 can be driven to horizontally move through the sliding block slotting tool 7 and the inclined plane 16 on the bending sliding block 12, so that the bending sliding block 12 moves towards the stripping block 8, and the product 20 is bent; the sliding block seat 13 is used for guiding the bending sliding block 12, and the bending sliding block 12 can keep moving horizontally; the end of the second spring 14 close to the stripping block 8 is abutted with the slider seat 13, the end of the second spring 14 far from the stripping block 8 is abutted with the bending slider 12, and the second spring 14 is used for resetting the bending slider 12. In the whole bending process, the bending gap of the bending sliding block 12 can be adjusted, the bending angle can be adjusted by adjusting the sliding block slotting tool 7, and the bending gap can be changed from large to small along with the forming and bending process, so that the appearance of the product 20 is not easy to scratch in the forming process, and the quality of the product 20 can be improved; because the bending clearance of the bending slide block 12 can be continuously adjusted in the whole movement process, the scratch can be prevented by adjusting the clearance during the bending forming, the maintenance times of the die are reduced, the manufacturing cost is saved, the production efficiency is improved, and the bending process is stable and effective; and simultaneously, the quality of the product 20 is improved, thereby realizing lean production.

In the application, the upper end of the inclined plane 16 is close to the stripping block 8, and the lower end of the inclined plane 16 is far away from the stripping block 8, that is, the direction of the inclined plane 16 is inclined from the upper left to the lower right; the lower end of the sliding block slotting tool 7 is provided with a slotting tool edge 17 matched with the inclined plane 16, so that when the sliding block slotting tool 7 moves downwards, the slotting tool edge 17 can push the inclined plane 16 to move leftwards, the bending sliding block 12 moves leftwards, the product 20 is bent upwards, and the bending processing of the product 20 is realized.

In the application, the included angle between the punch cutting edge 18 in the vertical direction of the bending punch 6 and the bottom surface of the bending punch 6 is smaller than 90 degrees, so that the accuracy of the bending angle of the product 20 is ensured; wherein the top of bending slider 12 is close to terrace die blade 18 end and is equipped with bending arch 19, and the side that is close to bending terrace die 6 of bending arch 19 is vertical plane, and its cooperation terrace die blade 18 for product 20 bends more easily, and the bending angle of product 20 in this application is 90 degrees.

In the application, the side edge of the bending slide block 12, which is far away from the stripping block 8, is provided with the protection block 15, the protection block 15 is fixed in the concave template 3, the concave template 3 is protected by the protection block 15, the structural strength of the part, which is easy to wear, of the concave template 3 is enhanced, and the service life of the mold is prolonged; the mould is conveniently repaired, the mould repairing cost is reduced, and the use cost of the mould is reduced.

In this application, the below of first spring 10 is equipped with stop screw 11, and stop screw 11 spiro union is on die holder 5, and ejector pin 9 is the structure of falling T, the upper end and the ejector pin 9 butt of first spring 10, the lower extreme and the stop screw 11 butt of first spring 10, through the setting of first spring 10, realize that the removal of ejector pin 9 resets.

In this application, the work flow of this mould structure of bending is: the bending male die 6 arranged on the upper stripper plate 2 moves downwards, the bending male die 6 and the stripper block 8 apply extrusion force on the product 20, and when the stripper block 8 continues to move downwards, the product 20 is gradually molded and bent under the action of the bending sliding block 12 until the upper stripper plate 2 and the cavity plate 3 are completely closed; the slider slotting tool 7 arranged on the upper clamping plate 1 starts to move downwards, when the slider slotting tool 7 applies acting force to the bending slider 12, the bending slider 12 effectively moves in the slider seat 13, the bending bulge 19 gradually applies thrust to the product 20 until the upper clamping plate 1 is completely closed, the slider slotting tool 7 stops applying acting force to the bending slider 12, the whole bending and forming process is finished, the bending angle is finished, the surface of the product is not scratched, and the whole forming and bending process is finished; in the same way, the upper clamp plate 1 moves upwards, the slider slotting tool 7 fixed in the upper clamp plate 1 moves upwards, the driving of the bending slider 12 is finished, and the bending slider 12 completes the reset movement under the acting force of the second spring 14. When the upper stripper plate 2 moves upwards under the action of the upper clamping plate 1, the bending male die 6 arranged in the upper stripper plate 2 moves upwards, and the stripper block 8 is driven to move upwards under the action of the first spring 10 on the ejector rod 9, so that the product 20 is separated from the bending male die 6 and the bending sliding block 12, and the whole forming process is completed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the protection scope of the present invention.

Claims (8)

1. The utility model provides a die structure of bending is adjusted to anti-scuffing formula, includes from the top down punch holder (1) in proper order, goes up to take off board (2), cavity plate (3), lower bolster (4) and die holder (5), on take off board (2) go up vertically to wear to be equipped with terrace die (6) of bending, be equipped with on cavity plate (3) and correspond taking off material piece (8) of terrace die (6) of bending, the below of taking off material piece (8) is connected with ejector pin (9), ejector pin (9) are vertical to wear to locate on lower bolster (4), the lower extreme of ejector pin (9) is equipped with first spring (10), install in die holder (5) first spring (10), its characterized in that: go up vertical slider slotting tool (7) of wearing to be equipped with on punch holder (1), slider slotting tool (7) is vertical to pass downwards and is taken off board (2), be equipped with slider seat (13) in cavity die board (3), slider seat (13) set up in the side of taking off material piece (8), sliding connection has slider (12) of bending on slider seat (13), the side of taking off material piece (8) is kept away from to the upper end of slider (12) of bending is equipped with inclined plane (16) of cooperation slider slotting tool (7), the below of slider (12) of bending is connected with second spring (14) that the level set up.

2. The anti-scuffing adjustable bending die structure as defined in claim 1, wherein: the upper end of the inclined plane (16) is close to the stripping block (8), the lower end of the inclined plane (16) is far away from the stripping block (8), and the lower end of the sliding block slotting tool (7) is provided with a slotting tool edge (17) matched with the inclined plane (16).

3. The anti-scuffing adjustable bending die structure as defined in claim 1, wherein: and an included angle between the punch cutting edge (18) of the bending punch (6) in the vertical direction and the bottom surface of the bending punch (6) is smaller than 90 degrees.

4. The anti-scuffing adjustable bending die structure as defined in claim 3, wherein: and a bending bulge (19) is arranged above the bending sliding block (12) and close to the end of the male die cutting edge (18).

5. The anti-scuffing adjustable bending die structure as defined in claim 1, wherein: the end, close to the stripping block (8), of the second spring (14) is abutted against the sliding block seat (13), and the end, far away from the stripping block (8), of the second spring (14) is abutted against the bending sliding block (12).

6. The anti-scuffing adjustable bending die structure as recited in claim 1, wherein: the side edge of the bending sliding block (12) far away from the stripping block (8) is provided with a protection block (15), and the protection block (15) is fixed in the concave template (3).

7. The anti-scuffing adjustable bending die structure as recited in claim 1, wherein: a set screw (11) is arranged below the first spring (10), and the set screw (11) is screwed on the lower die seat (5).

8. The anti-scuffing adjustable bending die structure as defined in claim 7, wherein: the ejector rod (9) is of an inverted T-shaped structure, the upper end of the first spring (10) is abutted to the ejector rod (9), and the lower end of the first spring (10) is abutted to the set screw (11).

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