High-precision stamping die for automobile parts

By designing a sliding unit and a side locking mechanism, the problems of sheet metal offset and single station in traditional stamping dies are solved, enabling multi-station, high-efficiency, and high-precision processing of automotive parts.

CN223655889UActive Publication Date: 2025-12-12GUANGZHOU MAITY MIZUTANI MOULD CO LTD
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Patent Information

Application Number
CN202423103004.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-12
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Traditional stamping dies lack a material restraint mechanism, leading to material offset and waste. At the same time, the single workstation affects processing efficiency and accuracy, especially since side structural parts are difficult to assemble and position.

Method used

The machine employs a sliding unit and a side locking mechanism, and achieves multi-station stamping through the design of sliders and guide rails. Combined with the side locking mechanism for precise positioning, and the use of springs and locking shafts to ensure the stability of the sheet metal, it realizes high-precision stamping in multiple stations.

Benefits of technology

It improves production efficiency and stamping accuracy, avoids sheet metal offset and waste, and ensures stable positioning and high-precision machining of side structural components.

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Abstract

The utility model discloses a high-precision stamping die for automobile parts, which relates to the field of stamping die design and comprises a sliding unit and a plurality of stamping units. Each stamping unit comprises an upper die plate and a lower die plate, at least two guide rails are fixedly installed between the lower die plates of the multiple stamping units, sliding blocks are installed on the guide rails in a sliding fit mode, and the sliding blocks are fixedly installed on the bottom side of the sliding unit. A stamping upper die is fixedly installed on the bottom side of the upper die plate, and a stamping lower die is fixedly installed on the sliding unit. A plurality of side edge locking mechanisms are fixedly installed on the sliding unit, the lower stamping die is arranged among the side edge locking mechanisms, a plurality of locking shafts are fixedly installed on the bottom side of the upper die plate, and the upper stamping die is located among the locking shafts. The side edge locking mechanism on the outer side is used for locking the outer side edge of an automobile part product, stamping forming is achieved in the mode that the upper stamping die and the lower stamping die are mutually assembled, production efficiency is improved, and stamping precision is high.
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Description

TECHNICAL FIELD

[0001] The utility model relates to punch die design field especially is related to a high precision punch die for automobile parts. BACKGROUND

[0002] The automobile is by power drive, has 4 or 4 above wheel's non-rail load's vehicle, and some parts of automobile generally need to be processed by punch die. In the prior art, the punch die for automobile parts processing is a kind of special process equipment for processing materials into parts in cold stamping processing, and the plate raw material of automobile parts is generally conveyed into punch die by artificial or conveying device for stamping processing. However, the conventional punch die generally lacks a limiting mechanism for the plate raw material, and when the plate raw material is conveyed into the punch die by artificial or conveying device for processing, the plate raw material may deviate, resulting in errors in the processed products and waste of raw materials.

[0003] Therefore, in the prior art (publication number: CN221109541U, publication date: 2024.06.11), a punch die for automobile parts processing is provided, which moves the moving plate outward before processing the plate of parts using the punch die, then places the plate of parts into the limiting groove, then loosens the moving plate, and under the action of the spring, the limiting groove is tightly attached to the two sides of the plate of parts, then the pin is inserted into the limiting hole and the insertion hole and the nut is screwed, so that the plate of parts is limited in the limiting groove. This limiting method is simple to operate, and it limits the left and right deviation of the plate of parts without hindering the conveying of the plate of parts to the die seat, thereby ensuring the quality of the stamping processing of the plate of parts and preventing the waste of the plate of parts raw material.

[0004] However, the above-mentioned scheme and the existing punch die generally use the way of mutual die of upper die and lower die for stamping, which has single station, resulting in low processing efficiency, and in addition, some automobile parts products have side structures, which are difficult to assemble into the die, resulting in low assembly efficiency and seriously affecting the precision of stamping positioning. UTILITY MODEL CONTENTS

[0005] The utility model provides a technical scheme to solve the above problems.

[0006] A high-precision punch die for automobile parts, comprising a sliding unit and a plurality of punch units.

[0007] The punch unit comprises an upper die plate and a lower die plate, and at least two guide rails are fixedly installed between the lower die plates of the plurality of punch units. A sliding block is slidably installed on the guide rail, and the sliding block is fixedly installed on the bottom side of the sliding unit.

[0008] The bottom side of the upper die plate is fixedly provided with a stamping upper die, and the sliding assembly is fixedly provided with a stamping lower die, and the stamping upper die and the stamping lower die are correspondingly arranged in a die closing mode;

[0009] The sliding assembly is fixedly provided with a plurality of side edge locking mechanisms, and the stamping lower die is arranged between the plurality of side edge locking mechanisms; the bottom side of the upper die plate is fixedly provided with a plurality of locking shafts, and the stamping upper die is located between the plurality of locking shafts.

[0010] Further, the side edge locking mechanism comprises a positioning seat, a sliding piece and an adjusting plate, the positioning seat is fixedly installed on the sliding assembly, the top side of the positioning seat is formed with an inclined sliding groove, the sliding piece is slidingly and fitly installed in the inclined sliding groove, the adjusting plate is fixedly installed on the outer side of the positioning seat, the adjusting plate is screwingly and fitly installed with an adjusting bolt, the inner end of the adjusting bolt is abuttingly installed on the sliding piece, the inner end of the sliding piece is formed with a limiting barb, and the limiting barb and the positioning seat are abuttingly installed with a first spring.

[0011] Further, the side edge locking mechanism further comprises a limiting block, the limiting block is fixedly installed on the top side of the positioning seat, the limiting block is formed with a sliding limiting groove, and the top side of the sliding piece is formed with a limiting convex point, and the limiting convex point is gapingly and fitly installed in the sliding limiting groove.

[0012] Further, the upper die plate is formed with a plurality of through holes, the upper ends of the locking shafts are gapingly and fitly installed in the through holes one by one, the upper ends of the locking shafts are fixedly installed with positioning bolts, the positioning bolts lock the locking shafts in the through holes, the locking shafts are sleeved and installed with second springs, and the second springs are abuttingly installed between the lower ends of the locking shafts and the bottom side of the upper die plate.

[0013] Further, the bottom side of the upper die plate is fixedly installed with two limiting pins, the sliding assembly is fixedly installed with two side blocks, the side blocks are formed with pin holes, the lower ends of the limiting pins are formed with conical rods, and the limiting pins are gapingly and fitly inserted into the pin holes through the conical rods.

[0014] Further, the lower die plate is fixedly installed with at least two height limiting columns, and the upper die plate and the height limiting columns are arranged in a mutually spaced mode.

[0015] Further, the lower die plate is fixedly installed with at least two guide columns, and the upper die plate is fixedly installed with at least two guide sleeves, and the guide sleeves are slidingly and fitly installed on the guide columns one by one in a sleeved mode.

[0016] Compared with the prior art, the upper die plate of the utility model has the advantages that:

[0017] 1. The stamping lower die is installed on the sliding unit, when the stamping lower die of the sliding unit moves to the upper die plate of the stamping unit, the stamping upper die and the stamping lower die can stamp each other, different stamping upper dies can be arranged on different stamping units, thereby realizing punching, stamping forming, hole turning and other operations, and the production efficiency is improved.

[0018] 2. When the automobile part product with side structure is installed, the side locking mechanism on the outer side is used to lock the outer side of the automobile part product, so that the part to be stamped is accurately and stably fixed above the stamping lower die, the stamping upper die and the stamping lower die are combined to realize stamping forming, and the stamping precision is high.

[0019] The additional aspects and advantages of the present application will be partially given in the following description, and some will become apparent from the following description, or be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0021] Figure 1 is a structural schematic view of the present application;

[0022] Figure 2 is Figure 1 the enlarged structure schematic view of A of the present application;

[0023] Figure 3 is Figure 1 the enlarged structure schematic view of B of the present application;

[0024] Figure 4 is a structural schematic view of another view of the present application;

[0025] Figure 5 is a structural schematic view of the side locking mechanism.

[0026] As shown in the figure: 1, sliding unit; 2, punch unit; 2.1, upper die plate; 2.2, lower die plate; 3, guide rail; 4, sliding block; 5, punch upper die; 6, punch lower die; 7, side locking mechanism; 7.1, positioning seat; 7.2, sliding piece; 7.3, adjusting plate; 7.4, limiting block; 8, locking shaft; 9, inclined sliding groove; 10, adjusting bolt; 11, limiting barb; 12, first spring; 13, sliding limiting groove; 14, limiting convex point; 15, through hole; 16, positioning bolt; 17, second spring; 18, limiting bolt; 19, side block; 20, pin hole; 21, conical rod; 22, height limiting column; 23, guide column; 24, guide sleeve. DETAILED DESCRIPTION

[0027] The technical solutions of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0028] The components of the embodiments of the present application generally described and shown in the accompanying drawings can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application.

[0029] Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0031] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] As Figures 1-5 shown, the utility model discloses a high-precision stamping die for automobile parts, including sliding unit 1 and a plurality of stamping machine group 2,

[0033] The stamping machine group 2 includes the upper die plate 2.1 and the lower die plate 2.2, and at least two guide rails 3 are fixedly installed between the lower die plate 2.2 of a plurality of stamping machine groups 2, a sliding block 4 is slidably installed on the guide rail 3, and the sliding block 4 is fixedly installed on the bottom side of the sliding unit 1.

[0034] The bottom side of the upper die plate 2.1 is fixedly installed with a stamping upper die 5, and the sliding unit 1 is fixedly installed with a stamping lower die 6; the stamping upper die 5 and the stamping lower die 6 are arranged in a mutually corresponding die closing mode.

[0035] The sliding unit 1 is fixedly installed with a plurality of side edge locking mechanisms 7, and the stamping lower die 6 is arranged between the plurality of side edge locking mechanisms 7; the bottom side of the upper die plate 2.1 is fixedly installed with a plurality of locking shafts 8, and the stamping upper die 5 is located between the plurality of locking shafts 8.

[0036] The principle is: installing the stamping lower die 6 on the sliding unit 1, when the stamping lower die 6 of the sliding unit 1 moves to the upper die plate 2.1 of the stamping machine group 2, the stamping upper die 5 and the stamping lower die 6 can be punched on each other, different stamping upper dies 5 can be arranged on different stamping machine groups 2, thereby realizing punching, stamping forming, hole flanging and other operations; when installing the automobile parts product with side edge structure, the outer side edge locking mechanism 7 is used to lock the outer side edge of the automobile parts product, so that the part to be punched is accurately and stably fixed above the stamping lower die 6, the stamping forming is realized by the die closing mode of the stamping upper die 5 and the stamping lower die 6, the production efficiency is improved, and the stamping precision is high.

[0037] Further: the side edge locking mechanism 7 includes a positioning seat 7.1, a sliding part 7.2 and an adjusting plate 7.3, the positioning seat 7.1 is fixedly installed on the sliding unit 1, the top side of the positioning seat 7.1 is formed with an inclined sliding groove 9, the sliding part 7.2 is slidably installed in the inclined sliding groove 9, the adjusting plate 7.3 is fixedly installed on the outer side of the positioning seat 7.1, the adjusting plate 7.3 is screwedly installed with an adjusting bolt 10, the inner end of the adjusting bolt 10 is abuttingly installed on the sliding part 7.2, the inner end of the sliding part 7.2 is formed with a limit barb 11, and the limit barb 11 and the positioning seat 7.1 are abuttingly installed with a first spring 12; the first spring 12 drives the sliding part 7.2 to move inward, so that the limit barb 11 clamps the groove or hole of the product outer side edge, since all the side edge locking mechanisms 7 press the outer side edge of the product by the first spring 12, the accurate positioning of the product can be ensured, and the subsequent stamping positioning is facilitated.

[0038] Further, the side locking mechanism 7 further comprises a limiting block 7.4 fixedly installed on the top side of the positioning seat 7.1, the limiting block 7.4 is formed with a sliding limiting groove 13, the top side of the sliding piece 7.2 is formed with a limiting convex point 14, the limiting convex point 14 is gap-fittedly installed in the sliding limiting groove 13; the limiting block 7.4 can limit the sliding stroke of the sliding piece 7.2, thereby reducing the assembly error and ensuring the stamping precision.

[0039] Further, the upper die plate 2.1 is formed with a plurality of through holes 15, the upper ends of the locking shafts 8 are gap-fittedly installed in the through holes 15 one by one, the upper ends of the locking shafts 8 are fixedly installed with positioning bolts 16, the positioning bolts 16 lock the locking shafts 8 in the through holes 15, the second springs 17 are sleeved and installed on the locking shafts 8, and the second springs 17 are abutted and installed between the lower ends of the locking shafts 8 and the bottom side of the upper die plate 2.1; the locking shafts 8 are pre-pressed on the product before stamping, the stable installation of the product is further ensured, the product is not displaced during stamping, and the stamping precision is higher.

[0040] Further, the bottom side of the upper die plate 2.1 is fixedly installed with two limiting pins 18, the sliding mechanism 1 is fixedly installed with two side blocks 19, the side blocks 19 are formed with pin holes 20, the lower ends of the limiting pins 18 are formed with conical rods 21, and the limiting pins 18 are gap-fittedly inserted into the pin holes 20 through the conical rods 21; when moving to the position of the corresponding stamping mechanism 2 for stamping, the upper die plate 2.1 is lowered to insert the limiting pins 18 into the pin holes 20, and the conical rods 21 can automatically correct the position, thereby ensuring the accurate closing of the stamping upper die 5 and the stamping lower die 6 and realizing accurate stamping.

[0041] Further, the lower die plate 2.2 is fixedly installed with at least two height limiting columns 22, and the upper die plate 2.1 and the height limiting columns 22 are arranged in a spaced-apart manner; the height limiting columns 22 can limit the pressing height of the upper die plate 2.1, thereby avoiding damage to the equipment caused by excessive stamping pressure.

[0042] Further, the upper die plate 2.2 is fixedly installed with at least two guide columns 23, and the upper die plate 2.1 is fixedly installed with at least two guide sleeves 24, and the guide sleeves 24 are one by one gap-fittedly installed on the guide columns 23 in a sleeved and sliding manner; the guide columns 23 can ensure the stable lifting of the upper die plate 2.1 on the lower die plate 2.2.

[0043] The embodiment is not limited in shape, material, structure, etc. of the utility model in any form, any simple modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiment all belong to the protection scope of the utility model technical scheme.

Claims

1. A high-precision stamping die for automobile parts, comprising a sliding unit and a plurality of stamping units; characterized in that: the stamping unit comprises an upper die plate and a lower die plate, at least two guide rails are fixedly installed between the lower die plates of the plurality of stamping units, a sliding block is slidingly and fittingly installed on the guide rails, and the sliding block is fixedly installed on the bottom side of the sliding unit; a stamping upper die is fixedly installed on the bottom side of the upper die plate, a stamping lower die is fixedly installed on the sliding unit, and the stamping upper die and the stamping lower die are arranged in correspondence with each other; a plurality of side edge locking mechanisms are fixedly installed on the sliding unit, the stamping lower die is arranged between the plurality of side edge locking mechanisms, a plurality of locking shafts are fixedly installed on the bottom side of the upper die plate, and the stamping upper die is located between the plurality of locking shafts.

2. A high-precision stamping die for automobile parts according to claim 1, characterized in that: The side edge locking mechanism comprises a positioning seat, a sliding piece and an adjusting plate, the positioning seat is fixedly installed on the sliding unit, an inclined sliding groove is formed on the top side of the positioning seat, the sliding piece is slidingly and fittingly installed in the inclined sliding groove, the adjusting plate is fixedly installed on the outer side of the positioning seat, an adjusting bolt is screwingly and fittingly installed on the adjusting plate, the inner end of the adjusting bolt is abuttingly installed on the sliding piece, a limit barb is formed on the inner end of the sliding piece, and a first spring is abuttingly installed between the limit barb and the positioning seat.

3. A high-precision stamping die for automobile parts according to claim 2, characterized in that: The side edge locking mechanism further comprises a limiting block, the limiting block is fixedly installed on the top side of the positioning seat, a sliding limiting groove is formed on the limiting block, and a limit protrusion is formed on the top side of the sliding piece and is gap-fittingly installed in the sliding limiting groove.

4. A high-precision stamping die for automobile parts according to claim 1, characterized in that: A plurality of through holes are formed on the upper die plate, the upper ends of the locking shafts are gap-fittingly installed in the through holes one by one, a positioning bolt is fixedly installed on the upper end of the locking shaft, the positioning bolt locks the locking shaft in the through hole, a second spring is sleeved and installed on the locking shaft, and the second spring is abuttingly installed between the lower end of the locking shaft and the bottom side of the upper die plate.

5. A high precision stamping die for automobile parts as claimed in claim 1 wherein: The bottom side of the upper die plate is fixedly installed with two limiting pins, the sliding unit is fixedly installed with two side blocks, a pin hole is formed on the side block, the lower end of the limiting pin is formed with a conical rod, and the limiting pin is gap-fittingly inserted into the pin hole through the conical rod.

6. A high-precision stamping die for automobile parts as claimed in claim 1, wherein: At least two height limiting columns are fixedly installed on the lower die plate, and the upper die plate and the height limiting columns are arranged in a mutually spaced manner.

7. A high precision stamping die for automobile parts as claimed in claim 1 wherein: At least two guide columns are fixedly installed on the lower die plate, at least two guide sleeves are fixedly installed on the upper die plate, and the guide sleeves are slidingly and fittingly installed on the guide columns one by one.

Citation Information

Patent Citations

  • Stamping die for automobile part machining

    CN221109541U