Stamping die

Abstract

The utility model discloses a stamping die which comprises an upper die, a middle die and a lower die, a plurality of notch punching male dies and a plurality of punching needles are arranged in the upper die, the notch punching male dies are used for punching notches of products, the punching needles are used for punching the products, the middle die is located below the upper die and corresponds to the upper die, and the lower die is located below the middle die and corresponds to the upper die. A first positioning part is arranged in the middle die and used for positioning one end of a product, a plurality of male die holes and a plurality of punching needle holes are formed in the middle die, the male die holes and the notch punching male dies are equal in number and are arranged in a one-to-one correspondence mode, and the punching needle holes and the punching needle holes are equal in number and are arranged in a one-to-one correspondence mode. The lower die is rotationally arranged below the middle die and corresponds to the middle die, and a second positioning part and a plurality of positioning clamping needles are arranged on the lower die. The punching device has the advantages of being simple in structure, high in production efficiency, capable of punching holes in a staggered angle mode and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds, and in particular relates to a stamping mold. Background Art

[0002] The hub is a component of a bicycle. Traditionally, the hub is produced either manually by pouring hot-melt hub material into a module to form it, or by machining to produce notches and holes on the hub. The processing time is long and the processing cost is high.

[0003] For example, patent application No. 202123377132.0 discloses a hub precision stamping die, which includes a feeder, two hydraulic presses and a conveyor, wherein the conveyor belt on the conveyor passes through the feeder and the bottom of the two hydraulic presses in turn, a feed port is provided at the top of the feeder, and a distribution bin is fixedly connected between the inner walls of the feed port below the feed port, and feed pipes are provided below the two discharge ports at the bottom of the distribution bin, and gaps are provided between the two feed pipes and the discharge ports for sealing plates to move, and the bottom centers of the two sealing plates are connected to a material control motor, and the material control motor is located inside the material control box, and a bulk material motor is fixedly installed at the bottom of the material control box. , and the bottom output end of the bulk material motor is fixedly connected to the flat plate through a transmission rod, a limiting material enclosure is provided outside the bottom shell wall of the unloading machine, and the four corners of the top of the limiting material enclosure are fixedly connected with connecting protrusions, and a conveying plate is provided on the bottom conveyor of the limiting material enclosure. The two hydraulic presses can be divided into a flat material machine and a die pressing machine according to their functions. The bottoms of the hydraulic rods of the flat material machine and the die pressing machine are connected to the die plate through flanges, and a limiting material enclosure is provided at the bottom of the die plate. The four corners of the top of the limiting material enclosure are also fixedly connected with connecting protrusions, and the limiting material enclosure one and the limiting material enclosure two are fixedly connected to the connecting sleeve on the chain elevator through connecting protrusions.

[0004] The hub precision stamping die can achieve the purpose of saving labor, etc., but it has a complex structure, low production efficiency, and is not suitable for off-angle drilling processing. Utility Model Content

[0005] In order to solve the deficiencies in the prior art, the utility model provides a stamping die with simple structure and high production efficiency.

[0006] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A stamping die, comprising:

[0008] An upper die, wherein a plurality of notching punches and a plurality of punching needles are arranged in the upper die, wherein the plurality of notching punches are used to notch the product, and the plurality of punching needles are used to punch holes in the product;

[0009] A middle die is located below the upper die and is arranged corresponding to the upper die. A first positioning portion is arranged in the middle die, and the first positioning portion is used to position one end of the product. The middle die is provided with a plurality of punch holes and a plurality of punch pin holes. The number of the punch holes is equal to the number of the punching punches and is arranged one-to-one. The number of the punch pin holes is equal to the number of the punching pins and is arranged one-to-one; and

[0010] The lower mold is rotatably arranged below the middle mold and corresponding to the middle mold. The lower mold is provided with a second positioning portion and a plurality of positioning pins. The second positioning portion is used to position the other end of the product and the plurality of positioning pins are used to assist in positioning the end of the product.

[0011] Preferably, the plurality of notching punches and the plurality of punching needles are evenly distributed in the upper die.

[0012] By adopting the above technical solution, the utility model has the following beneficial effects:

[0013] In the utility model, the positioning of the product can be completed by the middle die and the lower die, and then the upper die drives a plurality of punching punches and a plurality of punching needles to complete the punching. The overall structure is simple. Compared with the machining method in the prior art, the overall processing time is short and the processing efficiency is high. Moreover, the lower die of the utility model can be rotated so that the holes can be punched at a staggered angle.

[0014] In summary, the utility model has the advantages of simple structure, high production efficiency, and the ability to perform drilling at staggered angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the product processed by the utility model;

[0017] Figure 3 yes Figure 2 Schematic diagram of the structure in another direction. DETAILED DESCRIPTION

[0018] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0019] The components of the embodiments of the present invention generally described and shown in the drawings herein can be arranged and designed in various 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 represents selected embodiments of the present invention.

[0020] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0021] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Example 1

[0024] In this embodiment, a stamping die is proposed, which is suitable for product parts 9 that need to be processed with notches, small holes and misalignment angles on both end faces, such as hub parts, etc. The overall structure of the utility model is simple and the processing efficiency is high.

[0025] like Figure 1-3As shown, in one embodiment of the utility model, the stamping die of the utility model includes an upper die 1, a middle die 4 and a lower die 7, a plurality of notch punching dies 2 and a plurality of punching needles 3 are arranged in the upper die 1, the plurality of notch punching dies 2 are used to notch the product 9, and the plurality of punching needles 3 are used to punch holes in the product 9, the middle die 4 is located below the upper die 1 and is arranged corresponding to the upper die 1, a first positioning portion 10 is arranged in the middle die 4, the first positioning portion 10 is used to position one end of the product 9, and a plurality of punch holes 5 and a plurality of punching needle holes 6 are arranged on the middle die 4 , a plurality of punch holes 5 are equal in number to a plurality of notch punches 2 and are arranged in one-to-one correspondence, a plurality of punch pin holes 6 are equal in number to a plurality of punch pins 3 and are arranged in one-to-one correspondence, a lower die 7 is rotatably arranged below the middle die 4 and is arranged in correspondence with the middle die 4, a second positioning portion 11 and a plurality of positioning card pins 8 are provided on the lower die 7, the second positioning portion 11 is used to position the other end of the product 9 and a plurality of positioning card pins 8 are used to assist in positioning the end of the product 9, it can be understood that a plurality of notch punches 2 and a plurality of punch pins 3 are evenly distributed in the upper die 1, specifically to Figure 1 In the embodiment, the punching punch 2 and the punching needle 3 can be set as required. Figure 1 There are 5 notching punches 2 and 10 punching needles 3. The notching punches 2 are evenly distributed in the upper die 1. Similarly, the punching needles 3 are also evenly distributed in the upper die 1 in groups of 2, and each group of punching needles 3 is located between two adjacent notching punches 2.

[0026] Continue to refer to Figure 1-3 The utility model is suitable for parts with small holes at both ends of the product 9 with staggered angles, that is, holes are set on both ends of the product 9, but the holes are not set correspondingly. The specific use process of the utility model is to first clamp one end of the product 9 in the second positioning part 11, and then clamp the other end of the product 9 in the first positioning part 10, and then start the upper mold 1 to drive a plurality of notch punches 2 and a plurality of punching needles 3 to punch downward, and the product 9 is subjected to force, and the generated waste falls out from a plurality of punch holes 5 and a plurality of punching needle holes 6 of the middle mold 4. One end of the product 9 is processed, and then the product 9 is removed and the two ends of the product 9 are replaced, so that one end of the product 9 is punched and the generated hole is clamped in a plurality of positioning needles 8 and the second positioning part 11, and then the lower mold 7 is rotated, and then the other end of the product 9 is clamped in the middle mold 4 again, and then the above steps are repeated. At this time, the upper end of the product 9 is punched, and the holes at both ends are staggered to complete the production needs.

[0027] This embodiment does not impose any formal restrictions on the shape, material, structure, etc. of the utility model. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model are within the protection scope of the technical solution of the utility model.

Claims

1. A stamping die, characterized in that ,include: An upper die, wherein a plurality of notching punches and a plurality of punching needles are arranged in the upper die, wherein the plurality of notching punches are used to notch the product, and the plurality of punching needles are used to punch holes in the product; A middle die is located below the upper die and is arranged corresponding to the upper die. A first positioning portion is arranged in the middle die, and the first positioning portion is used to position one end of the product. The middle die is provided with a plurality of punch holes and a plurality of punch pin holes. The number of the punch holes is equal to the number of the punching punches and is arranged one-to-one. The number of the punch pin holes is equal to the number of the punching pins and is arranged one-to-one; and The lower mold is rotatably arranged below the middle mold and corresponding to the middle mold. The lower mold is provided with a second positioning portion and a plurality of positioning pins. The second positioning portion is used to position the other end of the product and the plurality of positioning pins are used to assist in positioning the end of the product.

2. A stamping die according to claim 1, characterized in that: The plurality of notch punching dies and the plurality of hole punching needles are evenly distributed in the upper die.

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