Mesh punching positioning die

Abstract

The utility model relates to the technical field of positioning dies, and discloses a mesh punching positioning die which comprises an upper die base and a lower die base, an upper padding plate is arranged at the bottom of the upper die base, an upper clamping plate is arranged at the bottom of the upper padding plate, an upper stripping plate is arranged at the bottom of the upper clamping plate, and a plurality of T punches are fixedly connected to the bottom of the upper clamping plate at equal intervals. A lower base plate is arranged at the top of the lower die base, a lower die plate is arranged at the top of the lower base plate, and two positioning blocks are arranged on each of the left side and the right side of the top wall of the lower die plate. According to the utility model, the positioning blocks of the lower template are matched with the floating pins in the floating pin holes, so that accurate positioning is realized in the product placing and punching process, the mesh punching deviation caused by inaccurate positioning is effectively avoided, meanwhile, the array meshes are completely processed by utilizing a plurality of positioning areas of the lower template, the product processing precision is improved, and the production efficiency is improved. Meanwhile, the production efficiency is guaranteed, and the batch production requirement is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to positioning mould technical field especially relates to a punch mesh hole positioning mould. BACKGROUND

[0002] Positioning mould is the industrial production for accurate machining positioning of product tooling equipment, is widely used in metal processing and plastic product forming manufacturing field, main function is to ensure that the machining process product's to be machined part can accurately be in the action area of processing equipment, thereby guarantee the precision and consistency of processing, in the electronic equipment shell production, positioning mould ensures the accuracy of various interfaces, button hole etc. on the shell. The precision and stability of positioning mould directly affect the quality and performance of the final product.

[0003] The existing punch mesh hole positioning mould when processing products, to save manufacturing cost, will adopt the process of one-time punch forming of mould, in this process, the punch of mould needs to carry out punch operation to multiple holes with close distance at the same time in the punch process, in the metal sheet processing, when the hole spacing is small, the punch is stressed at the same time in one-time punch process, and the stress distribution is uneven, the part close to the edge of the cutting edge will bear excessive stress, when the stress exceeds the bearing limit of the punch material, the cutting edge is easy to collapse, although some existing positioning mould improves its stability by optimizing the overall structure of the mould, avoids the processing error caused by the looseness of the mould to some extent, but due to the stress characteristics of the punch in one-time punch forming cannot be effectively improved, the problem of the cutting edge collapse caused by the close hole distance cannot be solved, which not only reduces the service life of the mould, increases the production cost, but also may affect the processing quality of the product, causes the product scrap rate to rise, affects the production efficiency and enterprise benefit. CONTENT OF THE UTILITY MODEL

[0004] In order to make up for the above shortcomings, the utility model provides a punch mesh hole positioning mould, which aims at improving the problem that the stress characteristics of the punch in one-time punch forming cannot be solved due to the close hole distance.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a punch mesh hole positioning mould, comprising an upper die seat and a lower die seat, the bottom of the upper die seat is provided with an upper backing plate, the bottom of the upper backing plate is provided with an upper clamping plate, the bottom of the upper clamping plate is provided with an upper stripper plate, the bottom of the upper clamping plate is fixedly connected with a plurality of T punches at equal intervals, the top of the lower die seat is provided with a lower backing plate, the top of the lower backing plate is provided with a lower die plate, two positioning blocks are formed in the top wall left and right sides of the lower die plate, a plurality of floatation pin holes are formed in the top wall left and right sides of the lower die seat and the lower backing plate, and the plurality of positioning blocks and the plurality of floatation pin holes are on the same vertical line.

[0006] Through the above technical scheme: through the cooperation of the positioning block of the lower die plate and the floating pin in the floating pin hole, accurate positioning is realized during product placement and stamping, which effectively avoids the deviation of the punching hole caused by inaccurate positioning, and at the same time, the use of multiple positioning areas of the lower die plate realizes the complete processing of the array of holes, improves the product processing precision, and ensures the production efficiency, meeting the batch production demand.

[0007] As a further description of the above technical scheme:

[0008] A plurality of sleeve head through holes are equidistantly arranged on the outer side of the top wall of the upper die seat, and a plurality of equal-height sleeves are fixedly installed in the plurality of sleeve head through holes.

[0009] Through the above technical scheme: the equal-height sleeves are installed in the sleeve head through holes, and the ends thereof are threadedly connected to the upper stripper plate, so as to ensure that the distance between the upper stripper plate and the upper die seat is consistent at each position, and the upper stripper plate can always maintain a horizontal and stable state during stamping.

[0010] As a further description of the above technical scheme:

[0011] A plurality of screw through holes are arranged between adjacent sleeve head through holes, and a plurality of upper die screws are fixedly installed in the plurality of screw through holes.

[0012] Through the above technical scheme: the upper die screws are installed in the screw through holes, and the ends thereof are threadedly connected to the upper clamping plate, so as to tightly fix the upper clamping plate below the upper die seat, which can ensure that the upper clamping plate and the T punch installed thereon will not be loosened or displaced during stamping, so that the T punch can maintain accurate position and direction when moving downward to punch the hole, effectively ensuring the precision of the punched hole.

[0013] As a further description of the above technical scheme:

[0014] A plurality of spring holes are equidistantly arranged on the adjacent side of the upper pad plate and the upper clamping plate, and a plurality of tension springs are arranged in the plurality of spring holes.

[0015] Through the above technical scheme: the tension springs are arranged in the spring holes on the adjacent side of the upper pad plate and the upper clamping plate, and during stamping, when the upper die seat drives the upper clamping plate and the T punch to move downward, the tension springs are compressed, absorbing part of the stamping energy, and reducing the violent collision and wear between the components of the mold caused by instantaneous impact force.

[0016] As a further description of the above technical scheme:

[0017] The bottom left and right ends and the front and back ends of the bottom of the lower die base are fixedly connected with lower pads, and the left and right ends of the lower pads are long, and the front and back ends of the lower pads are short.

[0018] Through the above technical scheme, the left and right ends and the front and back ends of the bottom of the lower die base are fixedly connected with lower pads, the left and right ends of the lower pads are long, and the front and back ends of the lower pads are short, so that the left and right ends of the lower pads and the front and back ends of the lower pads jointly provide a stable support base for the lower die base, and ensure that the lower die part does not shake or tilt during stamping, and the stability of the overall structure of the die is ensured.

[0019] As a further description of the above technical scheme:

[0020] The top front and back ends of the left and right ends of the lower pads are away from the top of the front and back ends of the lower pads, and a blind hole thread is formed at the distal end of each of the left and right ends of the lower pads.

[0021] Through the above technical scheme, the foot screw is installed in the blind hole thread, the distal end of the foot screw penetrates the lower pad and is threadedly connected to the bottom wall outside of the lower die plate, and the lower pad and the lower die plate are firmly fixed on the lower die base.

[0022] As a further description of the above technical scheme:

[0023] The top adjacent end of the front and back ends of the lower pads is provided with a mounting hole, and a mounting screw is fixedly installed in the interior of the two mounting holes.

[0024] Through the above technical scheme, the mounting screw is installed in the mounting hole of the top adjacent end of the front and back ends of the lower pads, and the distal end of the mounting screw is threadedly connected to the bottom equipment, and the entire lower die part is firmly installed on the workbench of the stamping equipment.

[0025] As a further description of the above technical scheme:

[0026] The front side left and right ends of the lower die plate are provided with positioning grooves.

[0027] Through the above technical scheme, the positioning grooves are formed in the front side left and right ends of the lower die plate, and when the product is placed on the lower die plate, the positioning grooves cooperate with the external positioning device to accurately limit the position of the product in the front and back directions.

[0028] The utility model has the advantages of:

[0029] 1. The utility model discloses a positioning block and the cooperation of the floatation pin hole in the lower mould plate and floatation pin, realize accurate positioning in the product placement and stamping process, this effectively avoids the deviation of punching net hole because of the inaccurate positioning, simultaneously utilizes the multiple positioning areas of lower mould plate, realized the complete processing of array net hole, improved the product processing precision, guaranteed the production efficiency simultaneously, satisfied the batch production demand.

[0030] 2. The utility model discloses a positioning block and the cooperation of the floatation pin hole in the lower mould plate and floatation pin, realize accurate positioning in the product placement and stamping process, this effectively avoids the deviation of punching net hole because of the inaccurate positioning, simultaneously utilizes the multiple positioning areas of lower mould plate, realized the complete processing of array net hole, improved the product processing precision, guaranteed the production efficiency simultaneously, satisfied the batch production demand. DRAWINGS

[0031] Figure 1 It is a three-dimensional view of the punching net hole positioning mould that the utility model proposes;

[0032] Figure 2 It is a structure split diagram of the punching net hole positioning mould that the utility model proposes;

[0033] Figure 3 It is a structure display diagram of the punching net hole positioning mould that the utility model proposes;

[0034] Figure 4 It is Figure 3 It is the structure enlarged view of A in the utility model;

[0035] Figure 5 It is Figure 3 It is the structure enlarged view of B in the utility model.

[0036] Legend:

[0037] 1, upper die holder, 2, upper backing plate, 3, upper clamping plate, 4, upper stripper plate, 5, T punch, 6, lower die holder, 7, lower backing plate, 8, lower mould plate, 9, positioning block, 10, floatation pin hole, 11, sleeve head through -hole, 12, equal height sleeve, 13, screw through -hole, 14, upper die screw, 15, spring hole, 16, tension spring, 17, lower pad foot, 18, blind hole screw thread, 19, pad foot screw, 20, mounting hole, 21, mounting screw, 22, positioning groove. DETAILED DESCRIPTION

[0038] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0039] With reference to Figure 3 , Figure 4 and Figure 5 , the present application provides an embodiment: a punching mesh hole positioning die, comprising an upper die seat 1 and a lower die seat 6, the bottom of the upper die seat 1 is provided with an upper backing plate 2, the bottom of the upper backing plate 2 is provided with an upper clamping plate 3, the bottom of the upper clamping plate 3 is provided with an upper stripper plate 4, the bottom of the upper clamping plate 3 is fixedly connected with a plurality of T punches 5 at equal intervals, the top of the lower die seat 6 is provided with a lower backing plate 7, the top of the lower backing plate 7 is provided with a lower die plate 8, two positioning blocks 9 are formed in the left and right sides of the top wall of the lower die plate 8, a plurality of float lift pin holes 10 are formed in the left and right sides of the top wall of the lower die seat 6 and the lower backing plate 7, and the plurality of positioning blocks 9 and the plurality of float lift pin holes 10 are on the same vertical line.

[0040] Specifically, the upper die seat 1 is located at the upper part of the die, and the upper backing plate 2, the upper clamping plate 3 and the upper stripper plate 4 are sequentially installed at the bottom of the upper die seat 1, the T punches 5 are fixedly connected at the bottom of the upper clamping plate 3 at equal intervals, and are used for punching mesh hole operation, the lower die seat 6 is located at the lower part, and the lower backing plate 7 and the lower die plate 8 are sequentially installed at the top of the lower die seat 6, the positioning blocks 9 are arranged on the left and right sides of the top wall of the lower die plate 8, the float lift pin holes 10 are formed in the left and right sides of the top wall of the lower die seat 6 and the lower backing plate 7, and the positioning blocks 9 and the float lift pin holes 10 are on the same vertical line, the product is placed on the lower die plate 8, and is preliminarily positioned through the positioning blocks 9 on the left and right sides of the top wall of the lower die plate 8, so that the position of the product in the left-right direction is ensured to be accurate, at the same time, the float lift pin holes 10 are used for installing float lift pins, which can play a role of auxiliary positioning and ejecting the product in the stamping process, so that the position of the product in the vertical direction is ensured to be stable, when stamping, the upper die seat 1 moves downward under the driving of the external stamping equipment, drives the upper clamping plate 3 and the T punches 5 at the bottom of the upper clamping plate 3 to move downward together, the upper stripper plate 4 contacts the surface of the product in the stamping process, plays a role of pressing the product, and prevents the product from being displaced when stamping, the T punches 5 perform the punching mesh hole operation on the product which has been positioned, because the product is accurately positioned and the die structure is stable, the problem that the cutting edge is broken due to close hole distance in one-time stamping can be effectively avoided, the quality of the punched mesh hole and the service life of the die are ensured, for the product area which needs to be punched in an array, a plurality of positioning areas are arranged on the lower die plate 8, each positioning area positions the product at the initial position through manual operation, then the product is pushed in sequence, and multiple stamping is sequentially performed, each area is stamped once, and a total of four times of stamping are performed, so that the stamping of the product area is completed, the complete processing of the array mesh hole is ensured, and the product processing precision and production efficiency are improved.

[0041] Referring to Figure 2 and Figure 3 A plurality of sleeve head through holes 11 are equidistantly arranged on the outer side of the top wall of the upper die seat 1, and a plurality of equal-height sleeves 12 are fixedly installed in the plurality of sleeve head through holes 11. The distal ends of the plurality of equal-height sleeves 12 are threadedly connected to the outer side of the top wall of the upper stripper plate 4. A plurality of screw through holes 13 are arranged between adjacent sleeve head through holes 11, and a plurality of upper die screws 14 are fixedly installed in the plurality of screw through holes 13. The distal ends of the plurality of upper die screws 14 are threadedly connected to the outer side of the top wall of the upper clamping plate 3. A plurality of spring holes 15 are equidistantly arranged on the adjacent side of the upper clamping plate 3, and a plurality of tension springs 16 are arranged in the plurality of spring holes 15.

[0042] Specifically, the upper die seat 1 serves as the basic support structure of the upper die part. The plurality of sleeve head through holes 11 equidistantly arranged on the outer side of the top wall of the upper die seat 1 serve the positioning and connecting functions. The equal-height sleeves 12 are fixedly installed in the sleeve head through holes 11. The distal ends of the equal-height sleeves 12 are threadedly connected to the outer side of the top wall of the upper stripper plate 4, ensuring the accurate and stable relative position between the upper stripper plate 4 and the upper die seat 1. The upper stripper plate 4 can maintain accurate cooperation with the upper die seat 1 during the stamping process, effectively pressing the product. The upper die screws 14 are installed in the screw through holes 13 between adjacent sleeve head through holes 11. The distal ends of the upper die screws 14 are threadedly connected to the outer side of the top wall of the upper clamping plate 3. This connection mode firmly fixes the upper clamping plate 3 below the upper die seat 1, ensuring the stability of the upper clamping plate 3 and the T punch 5 installed thereon during stamping, preventing displacement due to stress, thereby ensuring the accuracy of the punching hole. The plurality of spring holes 15 equidistantly arranged on the adjacent side of the upper clamping plate 3 are provided with the tension springs 16. During the stamping process, when the upper die seat 1 drives the upper clamping plate 3 and the T punch 5 to move downward, the tension springs 16 will be compressed. The compression process of the tension springs 16 absorbs part of the stamping energy, serving as a buffer and reducing the wear between the components of the mold due to instantaneous impact force. At the same time, after the stamping is completed, the resilience of the tension springs 16 helps the upper die part to quickly return to the initial position, improving the efficiency of the stamping operation. Through the connection of the equal-height sleeves 12 and the upper die screws 14, the upper clamping plate 3 and the T punch 5 are stably driven to move downward. The upper stripper plate 4 is pressed against the product under the positioning action of the equal-height sleeves 12. The tension springs 16 provide buffering and resetting assistance during the stamping process, ensuring that each punching hole operation is accurate and stable, effectively solving the problem of knife edge collapse caused by close hole distance during product array punching, and ensuring product quality and production efficiency.

[0043] Referring to Figure 1 , Figure 2 and Figure 3The bottom left and right ends and the front and rear ends of the lower die seat 6 are fixedly connected with lower pads 17, and the left and right end lower pads 17 are long, and the front and rear end lower pads 17 are short; the top front and rear ends of the left and right end lower pads 17 and the top of the front and rear end lower pads 17 are away from the threaded blind holes 18 at one end; a plurality of threaded blind holes 18 are fixedly installed with pad screws 19, and the ends of the plurality of pad screws 19 penetrate the lower pad plate 7 and are threadedly connected to the outer side of the bottom wall of the lower die plate 8; the top adjacent end of the front and rear end lower pads 17 is provided with a mounting hole 20, and the inside of the two mounting holes 20 is fixedly installed with mounting screws 21, and the ends of the two mounting screws 21 are threadedly connected with the bottom equipment; the left and right ends of the front side of the lower die plate 8 are provided with positioning grooves 22.

[0044] Specifically, the left and right ends and the front and rear ends of the bottom of the lower die seat 6 are fixedly connected with lower pads 17, wherein the left and right end lower pads 17 are long, and the front and rear end lower pads 17 are short, providing a support basis for the entire lower die part, ensuring that the mold does not shake or shift during work, the long left and right end lower pads 17 mainly bear a large transverse supporting force, and the short front and rear end lower pads 17 assist in stabilizing the front and rear directions, together maintaining the overall stability of the lower die, the threaded blind holes 18 at the top front and rear ends of the left and right end lower pads 17 and the top of the front and rear end lower pads 17 are fixedly installed with pad screws 19, and the ends of the pad screws 19 penetrate the lower pad plate 7 and are threadedly connected to the outer side of the bottom wall of the lower die plate 8, so that the lower pad plate 7 and the lower die plate 8 are tightly fixed on the lower die seat 6, forming a stable overall structure, the tightening action of the pad screws 19 can effectively prevent the lower pad plate 7 and the lower die plate 8 from loosening during stamping, ensuring the precision and reliability of the mold, the mounting holes 20 at the top adjacent end of the front and rear end lower pads 17 are fixedly installed with mounting screws 21, and the ends of the mounting screws 21 are threadedly connected with the bottom equipment, so that the entire lower die part can be firmly installed on the workbench of the stamping equipment, further enhancing the stability of the mold during work, ensuring that the stamping operation can be accurately and accurately performed, the positioning grooves 22 provided at the left and right ends of the front side of the lower die plate 8 play an important positioning role in the working process of the mold, when the product is placed on the lower die plate 8 for punching hole operation, the positioning grooves 22 can cooperate with the external positioning device to ensure the accurate positioning of the product in the front and rear directions, which helps to improve the positioning accuracy of the product punching hole, ensures the processing quality of the product, so that the position of the punched hole of each stamping can meet the design requirements, thereby realizing efficient and accurate production, the positioning grooves 22 of the lower die plate 8 ensure the positioning accuracy of the product during stamping, together ensuring that the product can be stably positioned in the correct position during the punching hole process, and the mold can accurately perform stamping operation, effectively avoiding the punching hole quality problems caused by mold shaking or inaccurate product positioning, improving the product qualification rate and production efficiency.

[0045] Working principle: the upper die holder 1 is located in the upper part of the mold, the bottom is sequentially installed with the upper pad plate 2, the upper clamping plate 3 and the upper stripping plate 4, the T punch 5 is fixedly connected at the bottom of the upper clamping plate 3, and is used for punching the mesh hole operation, the lower die holder 6 is located in the lower part, the top is sequentially installed with the lower pad plate 7 and the lower die plate 8, the positioning block 9 is arranged on the left and right sides of the top wall of the lower die plate 8, the floating lift pin hole 10 is formed on the left and right sides of the top wall of the lower die holder 6 and the lower pad plate 7, and the positioning block 9 and the floating lift pin hole 10 are on the same vertical line, the product is placed on the lower die plate 8, and is preliminarily positioned through the positioning block 9 on the left and right sides of the top wall of the lower die plate 8, so that the position of the product in the left and right directions is accurate, and the floating lift pin hole 10 is used for installing the floating lift pin, which can assist in positioning and ejecting the product in the stamping process, so that the position of the product in the vertical direction is stable, the upper die holder 1 moves downward under the driving of the external stamping equipment, drives the upper clamping plate 3 and the T punch 5 at the bottom of the upper clamping plate 3 to move downward together, the upper stripping plate 4 contacts the surface of the product in the stamping process, plays a role in pressing the product, prevents the product from moving during stamping, the T punch 5 performs the mesh hole punching operation on the product positioned accurately during the downward movement, because the product is accurately positioned and the mold structure is stable, the problem that the cutting edge is broken due to close hole distance during one-time stamping can be effectively avoided, the quality of the mesh hole punching and the service life of the mold are guaranteed, for the product area needing array mesh hole punching, a plurality of positioning areas are arranged on the lower die plate 8, the product is positioned at the initial position by artificial positioning in each positioning area, then the product is pushed in sequence, and multiple stamping is sequentially performed, one stamping in each area, and a total of four stampings.

[0046] Finally, it should be pointed out that: the above only preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A die for positioning of screen holes, comprising an upper die holder (1) and a lower die holder (6), characterized in that: The bottom of the upper die holder (1) is provided with an upper base plate (2), the bottom of the upper base plate (2) is provided with an upper clamping plate (3), the bottom of the upper clamping plate (3) is provided with an upper stripper plate (4), the bottom of the upper clamping plate (3) is equidistantly fixedly connected with a plurality of T punches (5), the top of the lower die holder (6) is provided with a lower base plate (7), the top of the lower base plate (7) is provided with a lower die plate (8), the top wall of the lower die plate (8) is provided with two positioning blocks (9) on the left side and the right side, and the top wall of the lower die holder (6) and the lower base plate (7) is provided with a plurality of float lift pin holes (10) on the left side and the right side.

2. A die for positioning screen holes as defined in claim 1, wherein: A plurality of sleeve head through holes (11) are equidistantly formed on the outer side of the top wall of the upper die holder (1), a plurality of equal-height sleeves (12) are fixedly installed in the interiors of the plurality of sleeve head through holes (11), and the distal ends of the plurality of equal-height sleeves (12) are respectively threadedly connected to the top wall outer side of the upper stripper plate (4).

3. A die for locating the holes punched in a web according to claim 2, wherein: A plurality of screw through holes (13) are formed between the adjacent sleeve head through holes (11), a plurality of upper die screws (14) are fixedly installed in the interiors of the plurality of screw through holes (13), and the distal ends of the plurality of upper die screws (14) are respectively threadedly connected to the top wall outer side of the upper clamping plate (3).

4. The die of claim 1 wherein: A plurality of spring holes (15) are equidistantly formed on the adjacent side of the upper base plate (2) and the upper clamping plate (3), and a plurality of tension springs (16) are arranged in the interiors of the plurality of spring holes (15).

5. A die for positioning screen holes according to claim 1, wherein: The bottom left and right ends and the front and rear ends of the lower die holder (6) are fixedly connected with lower base feet (17), and the left and right ends of the lower base feet (17) are long, and the front and rear ends of the lower base feet (17) are short.

6. A screen hole positioning die according to claim 5 wherein: Blind hole threads (18) are formed in the top front and rear ends of the left and right ends of the lower base feet (17) and the top of the front and rear ends of the lower base feet (17) is away from the end, a plurality of base foot screws (19) are fixedly installed in the interiors of the plurality of blind hole threads (18), and the distal ends of the plurality of base foot screws (19) penetrate the lower base plate (7) and are threadedly connected to the outer side of the bottom wall of the lower die plate (8).

7. A die for positioning screen holes according to claim 5, wherein: Mounting holes (20) are formed in the adjacent ends of the top of the front and rear ends of the lower base feet (17), mounting screws (21) are fixedly installed in the interiors of the two mounting holes (20), and the distal ends of the two mounting screws (21) are threadedly connected with the bottom equipment.

8. A die for positioning screen holes according to claim 1, wherein: Positioning grooves (22) are formed in the front left and right ends of the lower die plate (8).

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