Punching die with automatic discharging function

Abstract

The utility model discloses an automatic unloading punching die, which relates to the field of die design, and comprises an upper die and a lower die, a material coil is conveyed between the upper die and the lower die, and the material coil is punched when the upper die and the lower die are mutually closed; a cavity groove is formed in the bottom side of the upper die, a core is formed on the upper side of the lower die, and the core is inserted into the cavity groove in a clearance fit mode and punches a material roll during die assembly. A plurality of elastic positioning columns are arranged on the lower die, one elastic positioning column is arranged on the right side of the mold core, and the elastic positioning column jacks up the punched material coil; compared with the prior art, the elastic positioning columns on the lower die are used for separating punched products from a material roll, the elastic positioning columns can be used for ejecting the products out of the material roll during die opening, automatic discharging is achieved, the products can be conveniently collected, the situation that the products still stay on the material roll after being punched is avoided, the production efficiency is improved, and the production cost is reduced. Abrasion to products is reduced, and equipment for conveying material coils cannot be damaged.

Description

Technical Field

[0001] This utility model relates to the field of mold design, and in particular to a punching die with automatic unloading. Background Technology

[0002] Punching dies, also known as stamping dies, are special process equipment used in cold stamping to process materials (metal or non-metal) into parts (or semi-finished products). They are called cold stamping dies (commonly known as cold stamping dies). Stamping is a pressure processing method that uses dies mounted on a press to apply pressure to materials at room temperature, causing them to separate or plastically deform, thereby obtaining the desired parts.

[0003] Commercially available punching dies have a feeding roller and a receiving roller at each end. The feeding roller typically holds the metal coil. After the metal coil is pulled out, it passes through the upper and lower dies of the die and is then collected by the receiving roller. When the upper and lower dies close together, they punch the coil to produce the desired product. The waste material after punching the coil is collected on the receiving roller.

[0004] However, in existing punching dies, due to the high pressure during punching, the punched products often cannot automatically separate from the roll when the die is opened, and the products remain on the conveying roll. When the products remain on the conveying roll, they need to be manually separated and unloaded, which is very inconvenient. If the products are continuously conveyed on the take-up roller, they may be wound up at the take-up roller, causing product damage. In severe cases, it may even affect the conveying accuracy of the take-up roller, causing equipment malfunctions and affecting its production efficiency. Therefore, it is necessary to implement automatic unloading after the existing punching dies have finished punching. Utility Model Content

[0005] To overcome the shortcomings mentioned above, this utility model provides a technical solution that can solve the above problems.

[0006] An automatic unloading punching die includes an upper die and a lower die, wherein a roll of material is conveyed between the upper die and the lower die, and the roll of material is punched when the upper die and the lower die are closed together;

[0007] The bottom side of the upper mold is formed with a cavity groove, and the upper side of the lower mold is formed with a core. When the mold is closed, the core is inserted into the cavity groove with a clearance fit and punches the material roll.

[0008] The lower die is provided with several elastic positioning posts, one of which is located on the right side of the core and supports the cut material roll.

[0009] Furthermore: two punching slots are formed inside the core, and a support block is installed in the punching slot with clearance fit. The support block is fixedly installed on the lower mold, and a punching hole is formed on the support block. Two punching shafts are fixedly installed inside the cavity groove, and the punching shafts are inserted into the punching holes with clearance fit.

[0010] Furthermore: a raised die frame is fixedly installed on the bottom side of the lower die, and a first ejector plate is fixedly installed inside the raised die frame. The bottom end of the punching hole is set through the lower die, and the first ejector plate is located below the two punching holes and is tilted to the right.

[0011] Furthermore: a second ejector plate is fixedly installed on the right side of the lower mold, the second ejector plate is spaced above the first ejector plate, and the second ejector plate is located to the right of the elastic positioning post.

[0012] Furthermore: the elastic positioning post includes a spring and a positioning pin, and a number of countersunk holes are formed on the lower mold. The positioning pin is fitted into the countersunk holes with a clearance fit, and the spring is installed between the positioning pin and the countersunk holes.

[0013] Furthermore, the remaining elastic positioning posts are located behind the core and provide conveying and positioning for the roll.

[0014] Furthermore: guide pillars are fixedly installed at all four ends of the upper side of the lower mold, and guide sleeves are formed at all four ends of the bottom side of the upper mold. When the mold is closed, the guide pillars are inserted into the guide sleeves with corresponding gaps.

[0015] Furthermore: at least four first support columns are fixedly installed on the upper mold, and at least four second support columns are fixedly installed on the lower mold. When the mold is closed, the first support columns abut against the second support columns one by one.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: When the upper and lower dies are closed, the core will be inserted into the cavity groove for punching. When the die is opened, the punched material will remain on the conveyed waste roll. At this time, the elastic positioning post on the lower die will be used to push the punched waste roll against the core when the die is closed again. When the die is opened again, the product can be pushed off the waste roll, which facilitates the automatic unloading of the product on the conveyed waste roll and realizes the automatic collection of the product. This effectively avoids the situation where the product remains on the waste roll after punching, speeds up the production efficiency of the product, reduces the wear of the product, and does not damage the conveying equipment.

[0017] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 yes Figure 1 A structural diagram from another perspective;

[0021] Figure 3 This is a schematic diagram of the upper mold structure;

[0022] Figure 4 This is a schematic diagram of the lower mold structure;

[0023] Figure 5 This is a schematic diagram of the installation structure of the elastic positioning column.

[0024] The figure shows: 1. Upper die; 2. Lower die; 3. Material roll; 4. Cavity groove; 5. Core; 6. Elastic positioning post; 61. Spring; 62. Positioning pin; 7. Punching groove; 8. Support block; 9. Punching hole; 10. Punching shaft; 11. Elevating mold base; 12. First ejector plate; 13. Second ejector plate; 14. Countersunk hole; 15. Guide post; 16. Guide sleeve; 17. First support post; 18. Second support post. Detailed Implementation

[0025] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this utility model, but not all embodiments.

[0026] The components of the present invention embodiments described and shown in the accompanying drawings can typically be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention.

[0027] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0028] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0030] like Figure 1-5 As shown, the present invention provides an automatic unloading punching die, comprising an upper die 1 and a lower die 2, wherein a material roll 3 is conveyed between the upper die 1 and the lower die 2, and the material roll 3 is punched when the upper die 1 and the lower die 2 are closed together.

[0031] The bottom side of the upper mold 1 is formed with a cavity groove 4, and the upper side of the lower mold 2 is formed with a core 5. When the mold is closed, the core 5 is inserted into the cavity groove 4 with a clearance fit and punches the material roll 3.

[0032] The lower die 2 is provided with a number of elastic positioning posts 6, one of which is located to the right of the core 5 and is positioned to lift the punched material roll 3.

[0033] The principle is as follows: The punching die performs punching during the conveying of the material roll 3, thereby punching out the corresponding shape on the conveyed material roll 3 to achieve mass production. In this invention, when the upper die 1 and the lower die 2 are closed, the core 5 will be inserted into the cavity groove 4 for punching. When the die is opened, the punched material will remain on the waste material of the conveyed material roll 3. In this invention, an elastic positioning post 6 is set on the lower die 2. When the die is closed again, the elastic positioning post 6 located to the right of the core 5 will hold the punched material roll 3. When the die is opened again, the product can be ejected from the material roll 3, which is convenient for product collection and avoids the product remaining on the material roll 3 after punching. The unloading speed is higher, the production efficiency of the product is accelerated, and the wear of the product is reduced.

[0034] Furthermore: the core 5 has two punching slots 7 formed inside, and a support block 8 is installed in the punching slot 7 with clearance fit. The support block 8 is fixedly installed on the lower die 2, and a punching hole 9 is formed on the support block 8. Two punching shafts 10 are fixedly installed in the cavity groove 4, and the punching shafts 10 are inserted into the punching holes 9 in a one-to-one clearance fit. Punching can be performed by inserting the punching shafts 10 into the punching holes 9. Since the cavity groove 4 will press down and hold the support block 8 during punching, it can provide precise positioning for punching and ensure its punching accuracy.

[0035] Furthermore, a raised die frame 11 is fixedly installed on the bottom side of the lower die 2, and a first discharge plate 12 is fixedly installed inside the raised die frame 11. The bottom end of the punching hole 9 is set through the lower die 2, and the first discharge plate 12 is located below the two punching holes 9. The first discharge plate 12 is tilted to the right. The waste generated during punching can fall onto the first discharge plate 12 for recycling, realizing the separation between waste and product, eliminating the need for manual removal, and thus speeding up the production speed.

[0036] Furthermore, a second ejector plate 13 is fixedly installed on the right side of the lower die 2. The second ejector plate 13 is spaced above the first ejector plate 12 and is located to the right of the elastic positioning post 6. The punched product can be ejected from the material roll 3 through the elastic positioning post 6 and automatically fall onto the second ejector plate 13 for recycling, achieving the technical effect of automatic unloading and accelerating production efficiency.

[0037] Furthermore: the elastic positioning pin 6 includes a spring 61 and a positioning pin 62. The lower mold 2 has several countersunk holes 14 formed on it. The positioning pin 62 is installed in the countersunk holes 14 with clearance fit. The spring 61 is installed between the positioning pin 62 and the countersunk holes 14. When the mold is closed, the spring 61 will be in a compressed state, so that the top of the positioning pin 62 is flush with the upper side of the lower mold 2, ensuring that the positioning pin 62 will not obstruct its mold closing and punching action. When the mold is opened, the positioning pin 62 will be lifted by the spring 61, thereby pushing open the product that is staying on the material roll 3, which facilitates the unloading action of the product on the material roll 3.

[0038] Furthermore: the remaining elastic positioning posts 6 are arranged behind the core 5 and provide conveying positioning for the material roll 3; so that the remaining elastic positioning posts 6 can provide conveying positioning for the conveyed material roll 3, ensuring the accurate conveying of the material roll 3 in the mold, thereby ensuring the accurate punching of each product.

[0039] Furthermore, guide pillars 15 are fixedly installed at all four ends of the upper side of the lower mold 2, and guide sleeves 16 are formed at all four ends of the bottom side of the upper mold 1. When the mold is closed, the guide pillars 15 are inserted into the guide sleeves 16 with corresponding gaps; this makes the mold more accurate when opening and closing, and ensures the effect of punching products.

[0040] Furthermore: at least four first support columns 17 are fixedly installed on the upper mold 1, and at least four second support columns 18 are fixedly installed on the lower mold 2. When the mold is closed, the first support columns 17 abut against the second support columns 18 one by one; this can achieve mold closing height limit and avoid excessive stamping that could cause the material roll 3 to break.

[0041] This embodiment does not impose any limitation on the shape, material, structure, etc. of this utility model. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this utility model shall fall within the protection scope of this utility model.

Claims

1. An automatic unloading die cutting die, comprising an upper die and a lower die, a material roll is conveyed between the upper die and the lower die, and the material roll is cut when the upper die and the lower die are closed; characterized in that: a cavity groove is formed on the bottom side of the upper die, and a core is formed on the upper side of the lower die, and when the die is closed, the core is inserted into the cavity groove in a clearance fit and cuts the material roll; a plurality of elastic positioning columns are arranged on the lower die, one of which is arranged to the right of the core, and the elastic positioning column sets up the material roll cut down; 2. The automatic stripping die of claim 1, wherein: two punching grooves are formed in the core, a support block is installed in the punching groove in a clearance fit, the support block is fixedly installed on the lower die, a cutting hole is formed on the support block, two cutting shafts are fixedly installed in the cavity groove, and the cutting shafts are inserted into the cutting hole in a one-to-one clearance fit.

3. The automatic stripping die of claim 2, wherein: A lifting die frame is fixedly installed on the bottom side of the lower die, a first discharge plate is fixedly installed in the lifting die frame, the bottom end of the cutting hole penetrates the lower die, the first discharge plate is located below the two cutting holes, and the first discharge plate is inclined to the right.

4. The automatic stripping die according to any one of claims 2 or 3, wherein: A second discharge plate is fixedly installed on the right side of the lower die, the second discharge plate is arranged above the first discharge plate in a spaced manner, and the second discharge plate is located to the right of the elastic positioning column.

5. The automatic stripping die of claim 1 wherein: The elastic positioning column comprises a spring and a positioning spike, a plurality of counterbores are formed on the lower die, the positioning spike is installed in the counterbores in a clearance fit, and the spring is installed between the positioning spike and the counterbores in abutment.

6. The automatic stripping die of any one of claims 1 or 5, wherein: The remaining elastic positioning columns are arranged behind the core and provide conveying positioning for the material roll.

7. The automatic stripping die of claim 1 wherein: Guide columns are fixedly installed on the four ends of the upper side of the lower die, guide sleeves are formed on the four ends of the bottom side of the upper die, and the guide columns are inserted into the guide sleeves in a one-to-one clearance fit when the die is closed.

8. The automatic stripping die of claim 1 wherein: At least four first support columns are fixedly installed on the upper die, and at least four second support columns are fixedly installed on the lower die, and the first support columns abut on the second support columns in a one-to-one correspondence when the die is closed.

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