CN111687295A - Lateral punching die - Google Patents

Abstract

The invention belongs to the technical field of stamping dies, and particularly relates to a lateral punching die which comprises an upper die and a lower die, wherein the lower die comprises a lower die plate, a punching piece, a lower punching stripper, a lower punching driving block and a lower female die, the lower punching stripper, the lower punching driving block and the lower female die are arranged on the lower die plate and can move horizontally, the lower punching driving block and the lower female die are respectively positioned on two opposite sides of the lower punching stripper, a protrusion is arranged at the side end, close to the lower female die, of the lower punching stripper, a groove matched with the protrusion is arranged at the side end of the lower female die, through holes matched with the punching piece are respectively arranged on the lower punching stripper and the lower female die, one end of the punching piece is connected with the lower punching driving block, and the other end of the punching piece can be horizontally and. The lateral punching die has the advantages of quick positioning, quick taking and placing, quick maintenance, high reliability and smooth production. And the project development cost can be saved, the production efficiency can be improved, the product yield can be increased, and the production period can be shortened.

Description

Lateral punching die

Technical Field

The invention belongs to the technical field of stamping dies, and particularly relates to a lateral punching die.

Background

At present, in the industries of mobile phones, notebook computer battery covers and 3C consumer electronics, a plurality of functional hole sites are often formed on the side surfaces of special-shaped curved surfaces or circular arcs of partial products. The processing of the multifunctional hole site of heterotypic curved surface or circular arc side, the processing of four-axis CNC is adopted to traditional technology gimmick, but, use this kind of method processing to have inefficiency, with high costs, three hinder height, the quality is difficult to control the problem that targets in place comprehensively, consequently, receives the CNC technology restriction, often can't satisfy customer's demand completely.

Disclosure of Invention

The invention aims to provide a lateral punching die, and aims to solve the technical problems that in the prior art, the processing of multifunctional hole sites on special-shaped curved surfaces or arc side surfaces is low in efficiency and quality control is not in place.

In order to achieve the above object, an embodiment of the present invention provides a lateral punching die, which includes an upper die and a lower die, wherein the lower die includes a lower die plate, a punching element, and a lower punching stripper, a lower punching driving block and a lower concave die, which are disposed on the lower die plate and are capable of moving horizontally, the lower punching driving block and the lower concave die are respectively located on two opposite sides of the lower punching stripper, a protrusion is disposed at a side end of the lower punching stripper close to the lower concave die, a groove adapted to the protrusion is disposed at a side end of the lower concave die, both the lower punching stripper and the lower concave die are provided with a through hole adapted to the punching element, one end of the punching element is connected to the lower punching driving block, and the other end of the punching element is horizontally slidably disposed in the through hole of the lower punching stripper.

Optionally, the cross sections of the protrusion and the groove are both arc-shaped.

Optionally, the lower die further comprises a vertically arranged lower die slanting wedge, the lower die slanting wedge is connected to the lower die plate in a vertically sliding manner, and one end of the lower die slanting wedge passes through the lower die plate and can push the lower punch driving block to move in a direction close to the lower die.

Optionally, a lower punch is arranged on the lower punch driving block, the lower punch is close to one side of the lower inclined wedge, a contact surface is arranged at the lower end of the lower punch, and the contact surface is arranged in an inclined manner.

Optionally, the upper end of the lower inclined wedge is provided with a support surface, and the support surface is parallel to the contact surface.

Optionally, the lower die further comprises a lower stripper plate driving block, and the lower stripper plate driving block is arranged on the outer side of the lower punching stripper plate. And the lower stripper plate driving block is connected with the lower punching stripper plate and is used for driving the lower punching stripper plate to horizontally move.

Optionally, the lower mould still includes die drive piece down, die drive piece locates down the outside of die, die drive piece down with die is connected down, just die drive piece down can drive die horizontal migration down.

Optionally, go up the mould and include cope match-plate pattern, press the material subassembly and two first mould wedges to one side, press the material subassembly with the cope match-plate pattern is connected, two first mould is wedged to one side with the cope match-plate pattern is connected, and two first mould is wedged to one side and can be driven lower die drive block horizontal migration.

Optionally, the material pressing assembly comprises a mounting plate, a material pressing plate and a plurality of second upper die wedges, the material pressing plate is connected to the bottom of the mounting plate, and each second upper die wedge is connected to the mounting plate and can drive the lower stripper plate driving block to move horizontally.

Optionally, a screw is arranged on the lower stripper plate driving block, and a clearance groove is arranged at the lower end of each second upper die inclined wedge and used for avoiding the screw.

One or more technical schemes in the lateral punching die provided by the embodiment of the invention at least have one of the following technical effects: when the lateral punching die is used, a product to be processed is placed on the lower die, one side of the curved surface of the product is positioned between the lower punching stripper and the lower female die, the upper die is driven to move downwards to press the product, the lower punching stripper, the lower punch driving block and the lower female die can move horizontally on the lower die plate, the lower punching stripper is driven to move towards the direction close to the lower female die, the protrusion is abutted against the curved surface of the product, then the lower female die is driven to move towards the direction close to the lower punching stripper, the groove is abutted against the curved surface of the product, and the fixing of the product is realized through the upper die, the lower female die and the lower punching stripper; one end of the punching piece is connected with the lower punch driving block, one end of the punching piece extends into the through hole of the lower punching stripper plate and drives the lower punch driving block to move towards the direction close to the lower female die, and the lower punch driving block drives the punching piece to horizontally move, so that one end of the punching piece sequentially penetrates through the lower punching stripper plate and the product and extends into the through hole of the lower female die, and therefore the process of quickly punching the side edge of the special-shaped negative-angle curved surface is achieved, and the accuracy of the punching vacancy position degree of the product is high; the lateral punching die has the advantages of quick positioning, quick taking and placing, quick maintenance, high reliability and smooth production. And the project development cost can be saved, the production efficiency can be improved, the product yield can be increased, and the production period can be shortened.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural view of a lateral punching die according to an embodiment of the present invention.

Fig. 2 is an exploded view of a lateral punching die according to an embodiment of the present invention.

Fig. 3 is an enlarged schematic view at C in fig. 2.

FIG. 4 is a cut-away view of a lateral punch die provided in accordance with an embodiment of the present invention.

Fig. 5 is an enlarged schematic view of a portion a of fig. 4.

Fig. 6 is an enlarged schematic view of B in fig. 4.

Wherein, in the figures, the respective reference numerals:

10-upper die 11-upper die plate 12-material pressing assembly

13-first upper die inclined wedge 20-lower die 21-lower die plate

22-punching piece 23-lower punching stripper 24-lower punch driving block

25-lower concave die 26-lower die inclined wedge 27-lower stripper plate driving block

28-lower female die driving block 121-pressure plate 122-second upper die inclined wedge

123-clearance groove 124-mounting plate 231-projection

251-groove 241-lower punch 242-contact surface

261-abutment surface 281-projection.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-6 are exemplary and intended to be used to illustrate embodiments of the invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1 to 6, there is provided a lateral punching die, including an upper die 10 and a lower die 20, the lower die 20 comprises a lower die plate 21, a punching piece 22, a lower punching hole stripping plate 23 which is arranged on the lower die plate 21 and can move horizontally, a lower punch driving block 24 and a lower female die 25, the lower punch driving block 24 and the lower die 25 are respectively located at opposite sides of the lower punch stripper 23, the lower punching stripper 23 is provided with a protrusion 231 near the side end of the lower female die 25, the side end of the lower female die 25 is provided with a groove 251 matched with the protrusion 231, the lower punching stripper 23 and the lower female die 25 are both provided with through holes matched with the punching piece 22, one end of the punching piece 22 is connected with the lower punch driving block 24, and the other end of the punching piece 22 is horizontally slidably arranged in the through hole of the lower punching stripper plate 23.

Specifically, when the lateral punching die of the embodiment of the invention is used, a product to be processed is placed on the lower die 20, one side of the curved surface of the product is positioned between the lower punching stripper 23 and the lower female die 25, the upper die 10 is driven to move downwards to press the product, the lower punching stripper 23, the lower punch driving block 24 and the lower female die 25 can move horizontally on the lower die plate 21, the lower punching stripper 23 is driven to move towards the direction close to the lower female die 25, the protrusion 231 is abutted against the curved surface of the product, then the lower female die 25 is driven to move towards the direction close to the lower punching stripper 23, the groove 251 is abutted against the curved surface of the product, and the upper die 10, the lower female die 25 and the lower punch stripper 23 are used for fixing the product; because one end of the punching piece 22 is connected with the lower punch driving block 24, one end of the punching piece 22 extends into the through hole of the lower punching stripper plate 23, the lower punch driving block 24 is driven to move towards the direction close to the lower female die 25, the lower punch driving block 24 drives the punching piece 22 to horizontally move, one end of the punching piece 22 sequentially penetrates through the lower punching stripper plate 23 and the product and extends into the through hole of the lower female die 25, and therefore the process of rapidly punching the side edge of the special-shaped negative-angle curved surface is achieved, and the accuracy of the punching empty position degree of the product is high; the lateral punching die has the advantages of quick positioning, quick taking and placing, quick maintenance, high reliability and smooth production. And the project development cost can be saved, the production efficiency can be improved, the product yield can be increased, and the production period can be shortened.

In another embodiment of the present invention, as shown in fig. 4 to 6, the cross sections of the protrusion 231 and the groove 251 are both arc-shaped. Specifically, the front projection of the groove 251 covers the front projection of the protrusion 231, the inner side of the curved surface of the product is in contact with the arc surface of the protrusion 231, the arc surface of the groove 251 is in contact with the outer side of the curved surface of the product, and the fixing of the special-shaped curved surface of the product is realized through the protrusion 231 and the groove 251, so that the stability and the precision of subsequent punching are ensured.

In another embodiment of the present invention, as shown in fig. 4 to 6, the lower die 20 further includes a vertically arranged lower die slanting wedge 26, the lower die slanting wedge 26 is slidably connected to the lower die plate 21 up and down, and one end of the lower die slanting wedge 26 passes through the lower die plate 21 and can push the lower die driving block 24 to move in a direction close to the lower die 25. Specifically, after the upper die 10 and the lower die 20 are closed, the product is fixed, since the lower inclined wedge 26 is connected to the lower die plate 21 in a vertically slidable manner, the lower inclined wedge 26 is driven to move upwards, the lower inclined wedge 26 pushes the lower punch driving block 24 to move towards the direction close to the lower concave die 25 in the upward movement process, the lower punch driving block 24 drives the punching piece 22 to move, and the punching piece 22 moves towards the direction close to the lower concave die 25 and punches the product in the moving process.

In another embodiment of the present invention, as shown in fig. 6, a lower punch 241 is provided on the lower punch driving block 24, the lower punch 241 is close to one side of the lower die slanting wedge 26, and a contact surface 242 is provided at a lower end of the lower punch 241, and the contact surface 242 is inclined. Specifically, after the upper die 10 and the lower die 20 are closed, the product is fixed, since the lower die slanting wedge 26 is connected to the lower die plate 21 in a vertically slidable manner, the lower die slanting wedge 26 is driven to move upward, the end of the lower die slanting wedge 26 is in contact with the contact surface 242 of the lower punch 241, since the contact surface 242 is arranged in an inclined manner, the lower die slanting wedge 26 pushes the lower punch driving block 24 to move in the direction close to the lower die 25 in the upward movement process, the lower die slanting wedge 26 drives the punching element 22 to move, and the punching element 22 moves in the direction close to the lower die 25 and punches the product in the moving process, so that the punching of the product is realized.

In another embodiment of the present invention, as shown in fig. 6, the upper end of the lower inclined wedge 26 is provided with an abutting surface 261, and the abutting surface 261 is arranged in parallel with the contact surface 242. Specifically, the abutting surface 261 is arranged obliquely, in the upward movement process of the lower die inclined wedge 26, the abutting surface 261 is gradually attached to the contact surface 242, after the contact surface 242 is completely attached to the abutting surface 261, the lower die inclined wedge 26 continues to move upward until the contact surface 242 is separated from the abutting surface 261, and the lower punch driving block 24 moves to the limit, so that the product is punched.

In another embodiment of the present invention, as shown in fig. 1 to 6, the lower mold 20 further includes a lower stripper plate driving block 27, and the lower stripper plate driving block 27 is disposed outside the lower punching stripper plate 23. The lower stripper plate driving block 27 is connected to the lower punch stripper plate 23 and is used for driving the lower punch stripper plate 23 to move horizontally. Specifically, lower stripper plate drive block 27 is connected in the outside of lower punch stripper plate 23, and when the product was fixed a position, lower stripper plate drive block 27 through the drive, lower stripper plate drive block 27 drove lower punch stripper plate 23 motion, makes arch 231 butt in the product inboard, so realizes the fixed of product.

In another embodiment of the present invention, as shown in fig. 1 to 6, the lower mold 20 further includes a lower concave mold driving block 28, the lower concave mold driving block 28 is disposed at an outer side of the lower concave mold 25, the lower concave mold driving block 28 is connected to the lower concave mold 25, and the lower concave mold driving block 28 can drive the lower concave mold 25 to move horizontally. Specifically, the lower female die driving block 28 is connected to the outer side of the lower female die 25, and when a product is positioned, the lower female die driving block 28 drives the lower female die 25 to move by driving the lower female die driving block 28, so that the groove 251 abuts against the outer side of the product, and the product is fixed.

In another embodiment of the present invention, as shown in fig. 1 to 4, the upper mold 10 includes an upper mold plate 11, a swaging assembly 12, and two first upper mold wedges 13, the swaging assembly 12 is connected to the upper mold plate 11, the two first upper mold wedges 13 are connected to the upper mold plate 11, and the two first upper mold wedges 13 can drive the lower mold driving block 28 to move horizontally. Specifically, when the upper die 10 and the lower die 20 are closed, the upper die plate 11 moves downwards, the upper die plate 11 drives the material pressing component 12 to move downwards, so that the bottom of the material pressing component 12 is in contact with a product and the product is pressed tightly, and the product is fixed; the upper template 11 drives the two first upper inclined wedges 13 to move downwards, the two first upper inclined wedges 13 are respectively contacted with the corresponding lower female die driving block 28, the lower female die driving block 28 moves towards the direction close to the lower female die 25, the lower female die driving block 28 pushes the lower female die 25 to move, the groove 251 is abutted to the outer side of the product, and thus the product is fixed.

Further, the lower cavity die driving block 28 is provided with a protrusion 281, and the protrusion 281 is disposed at a side away from the lower cavity die 25, and the horizontal movement of the lower cavity die driving block 28 is pushed by the contact of the end of the first upper slanting wedge 13 and the protrusion 281.

Further, the end of the first upper wedges 13 and the end of the protrusion 281 are both provided with an inclined surface, and the inclined surface of the end of the first upper wedges 13 is parallel to the inclined surface of the end of the protrusion 281.

In another embodiment of the present invention, as shown in fig. 1 to 3, the swaging assembly 12 includes a mounting plate 124, a swaging plate 121 and a plurality of second upper wedges 122, the swaging plate 121 is connected to the bottom of the mounting plate 124, and each of the second upper wedges 122 is connected to the mounting plate 124 and can drive the lower stripper drive block 27 to move horizontally. Specifically, the material pressing plate 121 and each second upper die slanting wedge 122 are fixed by a mounting plate 124; when the upper die 10 and the lower die 20 are closed, each second upper die slanting wedge 122 moves downwards, then each second upper die slanting wedge 122 abuts against the corresponding lower stripper plate driving block 27, and as the second upper die slanting wedges 122 continuously move downwards, the lower stripper plate driving block 27 moves towards the direction close to the lower punching stripper plate 23, wherein one side end of the lower stripper plate driving block 27 extending into the lower punching stripper plate 23 and abutting against the lower punching stripper plate 23 is in a trapezoidal arrangement, because of the trapezoidal arrangement, the cross-sectional area of one end of the lower stripper plate driving block 27 extending into the lower punching stripper plate 23 gradually increases towards the direction away from the lower punching stripper plate 23, and the lower stripper plate driving block 27 drives the lower punching stripper plate 23 to move towards the direction close to the lower female die 25 through the trapezoidal arrangement, so that the protrusion 231 abuts against the inner side of the product, thereby fixing the product is realized.

In another embodiment of the present invention, as shown in fig. 1 to 2, a screw is disposed on the lower stripper plate driving block 27, a clearance groove 123 is disposed at a lower end of each second upper inclined wedge 122, and the clearance groove 123 is used for clearance of the screw. Specifically, when the upper mold 10 and the lower mold 20 are closed, the second upper mold wedges 122 move downward, and the clearance grooves 123 formed at the bottoms of the second upper mold wedges 122 can prevent the second upper mold wedges 122 from interfering with the screw of the lower stripper plate driving block 27.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a side direction cut-out press, includes mould and lower mould, its characterized in that: the lower mould includes the lower bolster, punches a hole the piece and set up in but on the lower bolster and horizontal migration's lower punch hole take off board, lower punch drive block and die down, down punch drive block with die down is located respectively punch a hole and take off the relative both sides of board down, punch a hole down take off the board be close to in the side of die is equipped with the arch down, the side of die down be equipped with the recess of protruding adaptation, down punch a hole take off the board with all be equipped with on the die down with the perforation of a punching hole adaptation, the one end of punching a hole the piece with down the punch drive block and connect, but the other end horizontal slip of punching a hole is located punch a hole and take off in the perforation of board down.

2. The lateral punch press of claim 1, wherein: the cross sections of the bulges and the grooves are both arc-shaped.

3. The lateral punch press of claim 1, wherein: the lower die further comprises a vertically arranged lower die inclined wedge, the lower die inclined wedge is connected to the lower die plate in a vertically sliding mode, and one end of the lower die inclined wedge penetrates through the lower die plate and can push the lower punch driving block to move towards the direction close to the lower female die.

4. The lateral punch press of claim 3, wherein: the lower punch driving block is provided with a lower punch which is close to one side of the lower die inclined wedge, the lower end of the lower punch is provided with a contact surface, and the contact surface is arranged in an inclined manner.

5. The lateral punch press of claim 4, wherein: the upper end of the lower die inclined wedge is provided with a butt joint surface, and the butt joint surface and the contact surface are arranged in parallel.

6. The lateral punching die according to any one of claims 1 to 5, wherein: the lower die further comprises a lower stripping plate driving block, and the lower stripping plate driving block is arranged on the outer side of the lower punching stripping plate. And the lower stripper plate driving block is connected with the lower punching stripper plate and is used for driving the lower punching stripper plate to horizontally move.

7. The lateral punching die according to any one of claims 1 to 5, wherein: the lower mould still includes lower die drive piece, lower die drive piece is located the outside of die down, lower die drive piece with lower die is connected, just lower die drive piece can drive die horizontal migration down.

8. The lateral punching die according to any one of claims 1 to 5, wherein: the upper die comprises an upper die plate, a material pressing assembly and two first upper dies which are obliquely wedged, the material pressing assembly is connected with the upper die plate, the first upper dies are obliquely wedged and connected with the upper die plate, and the first upper dies are obliquely wedged and can drive the lower die driving block to move horizontally.

9. The lateral punch press of claim 8, wherein: the material pressing assembly comprises an installation plate, a material pressing plate and a plurality of second upper die wedges, the material pressing plate is connected to the bottom of the installation plate, and the second upper die wedges are connected to the installation plate and can drive the lower plate-releasing driving block to move horizontally.

10. The lateral punch press of claim 9, wherein: and the lower stripper plate driving block is provided with a screw, the lower end of each second upper die inclined wedge is provided with a clearance groove, and the clearance groove is used for clearance of the screw.

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