Precise stamping device for metal parts

By using a booster air pump and high-pressure air nozzle to assist in the unloading of hardware parts, combined with air springs and material lifting blocks for protection, the problem of falling and damage during hardware processing is solved, and convenient mold replacement and fixation to accommodate different processed parts are achieved.

CN223801297UActive Publication Date: 2026-01-16CANGZHOU BORUI ZEYU INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202520420416.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-01-16
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

When hardware parts are finished, they are easily embedded in the mold cavity of the upper mold, which can cause them to collide with the worktable and be damaged when they fall.

Method used

A booster air pump and high-pressure air nozzle are used in conjunction with the mold cavity to assist in the unloading of parts. The parts are protected by air springs and material lifting blocks to avoid damage caused by high friction. The mold design is easy to replace, and electromagnetic guide rails and moving blocks are used to fix the processed parts of different sizes.

Benefits of technology

It effectively avoids damage to hardware parts when they fall, improves the protection of processed parts, and simplifies mold replacement and adapts to different processing needs.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223801297U_ABST
    Figure CN223801297U_ABST
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Abstract

The utility model discloses a precise stamping device for a metal piece, and relates to the technical field of stamping devices. The stamping device comprises a workbench, the middle of the workbench is provided with a [-shaped area used for stamping, an electric telescopic column is fixed to the upper side of the middle of the [-shaped area, a pressing plate is fixed to the telescopic end of the electric telescopic column, and a positioning plate used for installing a stamping die is arranged below the pressing plate. A high-pressure air nozzle is arranged in a die cavity of the stamping die, positioning pressing blocks used for positioning a machined part are symmetrically fixed below the stamping die, the lower end of the machined part abuts against a material taking jacking block, and the material taking jacking block is fixedly installed at the telescopic end of the air spring. Therefore, the situation that the friction force of the contact surface of the part and the mold cavity is large, so that the embedded part needs to be lifted to a certain height and then falls off, and the fallen part is prone to generating a wound surface is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to punch device field, specifically, relate to a metal piece precision punch device. BACKGROUND

[0002] Traditional hardware, also called "small hardware", refers to gold, silver, copper, iron, tin five kinds of metals; after artificial processing, can be made into knife, sword and other art or metal device, modern society's hardware is more extensive, for example, hardware tools, hardware parts, daily hardware, building hardware and security products, etc., some more precise parts need to use punch die to cooperate with punch device to form;

[0003] At present, during the processing, the hardware is easy to be embedded in the die cavity of the upper die when the upper die is lifted at the moment of processing completion, which makes the hardware collide with the workbench when falling, and easily causes damage to the hardware and property loss. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model lies in overcoming the defects of the prior art, and providing a metal piece precision punch device.

[0005] To solve the above technical problems, the basic idea of the technical scheme of the utility model is:

[0006] A metal piece precision punch device, comprising a workbench, a U-shaped area for punch processing is formed in the middle part of the workbench, an electric telescopic column is fixed on the upper side of the middle part of the U-shaped area, a pressing plate is fixed on the telescopic end of the electric telescopic column, a positioning plate for installing a punch die is arranged below the pressing plate, positioning blocks for positioning workpieces are fixed symmetrically below the punch die, a material taking jacking block is arranged at the lower end of the workpiece, and the material taking jacking block is fixedly installed on the telescopic end of the gas spring.

[0007] A counterbore for installing high-pressure nozzles is symmetrically formed in the top of the die cavity of the punch die, the gas inlet ends of the two high-pressure nozzles are communicated with the gas injection cavities in the punch die, the other ends of the two gas injection cavities are communicated with the nozzles, the two nozzles are penetrated into the inside of the box through the telescopic pipes and communicated with the gas injection end of the booster pump, the box is fixedly installed at the lower end of the middle part of the pressing plate, the negative pressure end of the box is communicated with a negative pressure pipe, a dust screen is arranged on one side of the negative pressure pipe, the dust screen is installed in the middle part of the through hole of the side part of the box, and a front cover plate is installed on the front end of the box through screws.

[0008] A plurality of shock absorbers are installed between the pressing plate and the positioning plate, guide rods are fixed on the opposite sides of the upper end of the positioning plate, the end heads of the guide rods are penetrated through the pressing plate and fixed with anti-coming-off bolts, and polyurethane blocks are fixed on the top of the anti-coming-off bolts.

[0009] Optionally, the upper end of the pressing plate is symmetrically fixed with a sleeve for mounting the stretching rod, and the top of the stretching rod is fixed with the top of the Z-shaped area.

[0010] Optionally, the lower end of the positioning plate is fixed with slide rails for horizontal movement of two sliders, the front end of each of the two sliders is threadedly connected with a positioning bolt, and the two sliders are designed in an L-shaped structure, and the lower side of the horizontal end of each of the two sliders is threadedly connected with a limiting bolt for fixing the stamping die.

[0011] Optionally, the inside of the front end of the workbench is provided with an equipment cavity for mounting the electromagnetic guide rail, and the upper side of the electromagnetic guide rail is symmetrically fixed with two moving blocks that approach or move away synchronously, and the top of each of the two moving blocks is fixed with a support plate, and each of the two support plates penetrates through the guide groove in the bottom of the Z-shaped area and is fixed with a threaded stud, and a dustproof organ is arranged between the guide groove and the support plate.

[0012] Optionally, the middle of one end of the positioning pressing block is provided with a clearance hole for penetrating the threaded stud, and the threaded stud is fixed with the positioning pressing block through a nut, and the contact end of the positioning pressing block and the workpiece is fixed with an anti-skid pad through a screw.

[0013] Optionally, the workbench is fixed with a controller on one side, and a storage cavity is arranged on the lower side of the front end of the workbench, and the inside of the storage cavity is provided with cabinet doors on both sides through hinges, and self-locking universal wheels are arranged at the four corners of the bottom of the workbench.

[0014] After the above technical scheme is adopted, the present application has the following advantages compared with the prior art, of course, any product implementing the present application does not necessarily need to achieve all the advantages described below:

[0015] 1. The device assists the parts embedded in the mold cavity in unloading through the booster air pump cooperating with the high-pressure air nozzle, thereby avoiding the large friction force between the parts and the contact surface of the mold cavity, causing the embedded parts to need to be lifted to a certain height before falling, and the falling parts are prone to wound, when the stamping die is lifted, the booster air pump injects gas into the high-pressure air nozzle, and then the high-pressure air flow is filled into the mold cavity, thereby assisting the parts in providing a downward force to help the parts unload from the stamping die.

[0016] 2. The device considers that the stamping dies required are different according to different machined parts, and therefore the stamping dies need to be conveniently replaced by the user, and when the stamping dies of the device are replaced, the stamping die fixed through the sliders can be taken out by loosening the positioning bolt and the limiting bolt, and the convenience is high.

[0017] The specific implementation manner of the present application will be further described in detail below in combination with the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings in the following description are only some embodiments, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0019] In the drawings:

[0020] Figure 1 It is a schematic view of the front view of the utility model;

[0021] Figure 2 It is Figure 1 A part structure schematic view in the part;

[0022] Figure 3 It is Figure 1 B part structure schematic view in the part;

[0023] Figure 4 It is Figure 1 C part structure schematic view in the part;

[0024] Figure 5 It is Figure 1 D part structure schematic view in the part.

[0025] In the drawings, the component list represented by each mark is as follows:

[0026] 1, workbench; 2, electric telescopic column; 3, pressing plate; 4, stamping die; 5, positioning plate; 6, positioning pressing block; 7, material taking jacking block; 8, gas spring; 9, high-pressure air nozzle; 10, self-locking universal wheel; 11, booster air pump; 12, box body; 13, negative pressure pipe; 14, dust screen; 15, front cover plate; 16, shock absorber; 17, guide rod; 18, anti-dropping bolt; 19, polyurethane block; 20, stretching rod; 21, sleeve; 22, sliding block; 23, slide rail; 24, positioning bolt; 25, limiting bolt; 26, electromagnetic guide rail; 27, moving block; 28, support plate; 29, dust organ plate; 30, stud; 31, non-slip pad; 32, controller; 33, cabinet door.

[0027] It should be noted that these drawings and textual descriptions are not intended to limit the scope of the concept of the utility model in any way, but to illustrate the concept of the utility model to those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0028] The utility model will be further described in detail in combination with the drawings.

[0029] Please refer to Figures 1 to 5The utility model provides a technical scheme: a metal piece precision stamping device, including work table 1, the middle part of work table 1 is equipped with the U-shaped area for stamping processing, is fixed with electric telescopic column 2 on the middle part upside of U-shaped area, is fixed with pressing plate 3 at the telescopic end of electric telescopic column 2, the below of pressing plate 3 is equipped with the positioning plate 5 for the installation of stamping die 4, the below symmetry of stamping die 4 is fixed with the positioning pressure block 6 for the positioning of work piece, and the lower end of work piece is in contact with the material taking jacking block 7, and the material taking jacking block 7 is fixedly installed at the telescopic end of gas spring 8,

[0030] The top of the die cavity of stamping die 4 is symmetrically provided with a counterbore for installing a high-pressure air nozzle 9, the gas inlet ends of the two high-pressure air nozzles 9 are communicated with the gas injection cavities in the stamping die 4, the other ends of the two gas injection cavities are communicated with air nozzles, the two air nozzles are penetrated into the inside of the box body 12 through telescopic pipes and are communicated with the gas injection end of the pressure boosting air pump 11, the box body 12 is fixedly installed at the lower end of the pressing plate 3, the negative pressure end of the box body 12 is communicated with a negative pressure pipe 13, one side of the negative pressure pipe 13 is provided with a dust screen 14, the dust screen 14 is installed in the middle part of the through hole of the side of the box body 12, and the front end of the box body 12 is provided with a front cover plate 15 through screws;

[0031] A plurality of shock absorbers 16 are installed between the pressing plate 3 and the positioning plate 5, a guide rod 17 is fixed at the opposite side of the upper end of the positioning plate 5, the end of the guide rod 17 is penetrated through the pressing plate 3 and is fixed with an anti-coming-off bolt 18, the top of the anti-coming-off bolt 18 is fixed with a polyurethane block 19, considering the current processing process, the hardware will jump when the upper die rises at the moment when the hardware is processed, that is, the hardware is easily embedded in the die cavity of the upper die, which makes the hardware fall and collide with the workbench 1, easily causing damage to the hardware and property loss, the device plays an auxiliary discharging role on the embedded parts in the die cavity through the pressure boosting air pump 11 and the high-pressure air nozzle 9, thereby avoiding the large friction force between the parts and the contact surface of the die cavity, easily embedding and falling to cause the surface of the parts, when the stamping die 4 is lifted, the pressure boosting air pump 11 injects gas into the high-pressure air nozzle 9, and then the high-pressure airflow is filled into the die cavity, thereby providing a downward force for the parts to help the parts to be discharged from the stamping die 4, the gas spring 8 and the material taking jacking block 7 play a protective role on the falling parts, avoiding the parts to directly contact the workpiece when falling to produce a surface, that is, the high-pressure airflow is used to assist discharging and then falling to the material taking jacking block 7 for protection.

[0032] The upper end of the pressing plate 3 is symmetrically fixed with a sleeve 21 for installing a stretching rod 20, the top of the stretching rod 20 is fixed with the top of the U-shaped area, the pressing plate 3 driven by the electric telescopic column 2 plays an auxiliary anti-deviation role, that is, the sleeve 21 and the stretching rod 20 can be stretched and retracted to adapt to the moving pressing plate 3.

[0033] The lower end of the positioning plate 5 is fixed with slide rails 23 for the horizontal movement of two sliding blocks 22, positioning pins 24 are threadedly connected to the front ends of the two sliding blocks 22, and the two sliding blocks 22 are designed in an L-shaped structure, limiting pins 25 for fixing the stamping die 4 are threadedly connected to the lower sides of the horizontal ends of the two sliding blocks 22, considering that the stamping dies 4 required are different according to different machined parts, it is necessary to conveniently replace the stamping die 4 by the user, when the stamping die 4 is replaced, the positioning pins 24 and the limiting pins 25 are loosened, and then the stamping die 4 fixed through the sliding blocks 22 can be taken out, and the convenience is high.

[0034] The inside of the front end of the workbench 1 is provided with a device cavity for installing the electromagnetic guide rail 26, the moving blocks 27 that synchronously approach or synchronously move away are fixed on the upper sides of the electromagnetic guide rail 26 in a symmetrical manner, the top portions of the two moving blocks 27 are fixed with supporting plates 28, the two supporting plates 28 penetrate the guide grooves in the bottom of the L-shaped area and are fixed with the threaded studs 30, the dustproof piano plates 29 are arranged between the guide grooves and the supporting plates 28, the two moving blocks 27 at the upper end of the electric guide rail are arranged to adapt the device to fix machining pieces of different sizes, that is, according to the width of the machining piece, the electromagnetic guide rail 26 can be started through the controller 32, the two moving blocks 27 of the electromagnetic guide rail 26 are used to synchronously approach or synchronously move away to fix the machining piece, when the supporting plates 28 abut against the side portions of the machining piece, the positioning pressing blocks 6 are tightened to abut against the upper end of the machining piece to complete the limiting.

[0035] The middle part of one end of the positioning pressing block 6 is provided with a gap hole for penetrating the threaded stud 30, the threaded stud 30 is fixed with the positioning pressing block 6 through a nut, and the contact end of the positioning pressing block 6 and the machining piece is fixed with the anti-skid pad 31 through a screw, and the anti-skid pad 31 is arranged on the contact surface of the positioning pressing block 6 and the machining piece to play an anti-skid role.

[0036] The side of the workbench 1 is fixed with the controller 32, the lower side of the front end of the workbench 1 is provided with a storage cavity, the two sides of the inside of the storage cavity are hingedly installed with cabinet doors 33, and the bottom corners of the workbench 1 are installed with self-locking universal wheels 10, and the self-locking universal wheels 10 are arranged to facilitate the user to move the device according to the needs in the later period.

[0037] The utility model is not limited to the above-mentioned embodiment, anyone should know that the structural changes made under the inspiration of the utility model, any technical scheme with the same or similar technical scheme of the utility model falls within the protection scope of the utility model. The utility model does not describe the technology, shape and structure in detail, which are all known technologies.

Claims

1. A precision stamping device for metal pieces, comprising a worktable (1), characterized in that, The middle part of the workbench (1) is provided with a U-shaped area for punching processing, an electric telescopic column (2) is fixed on the upper side of the middle part of the U-shaped area, a pressing plate (3) is fixed on the telescopic end of the electric telescopic column (2), a positioning plate (5) for installing a punching die (4) is arranged below the pressing plate (3), positioning blocks (6) for positioning workpieces are symmetrically fixed below the punching die (4), a material taking jacking block (7) is arranged at the lower end of the workpiece, and the material taking jacking block (7) is fixed on the telescopic end of a gas spring (8); A counterbore for installing a high-pressure nozzle (9) is symmetrically arranged on the top of the die cavity of the punching die (4), the gas inlet ends of the two high-pressure nozzles (9) are communicated with gas injection channels in the punching die (4), the other ends of the two gas injection channels are communicated with gas nozzles, the two gas nozzles are penetrated into the inside of a box body (12) through telescopic pipes and are communicated with the gas injection end of a booster pump (11), the box body (12) is fixedly installed on the lower end of the pressing plate (3), a negative pressure pipe (13) is communicated with the negative pressure end of the box body (12), a dust screen (14) is arranged on one side of the negative pressure pipe (13), the dust screen (14) is installed in the middle part of the through hole on the side of the box body (12), and a front cover plate (15) is screwed on the front end of the box body (12). A plurality of shock absorbers (16) are installed between the pressing plate (3) and the positioning plate (5), a guide rod (17) is fixed on the upper end of the positioning plate (5) on the opposite side, the end of the guide rod (17) penetrates through the pressing plate (3) and is fixed with an anti-coming-off bolt (18), and a polyurethane block (19) is fixed on the top of the anti-coming-off bolt (18).

2. The metal piece precision stamping device according to claim 1, characterized in that, A sleeve (21) for installing a stretching rod (20) is symmetrically fixed on the upper end of the pressing plate (3), and the top of the stretching rod (20) is fixed with the top of the U-shaped area.

3. The metal piece precision stamping device according to claim 1, characterized in that, A slide rail (23) for horizontal movement of two sliding blocks (22) is fixed on the lower end of the positioning plate (5), a positioning bolt (24) is threadedly connected to the front end of each of the two sliding blocks (22), and the two sliding blocks (22) are designed in an L-shaped structure, and a limiting bolt (25) for fixing the punching die (4) is threadedly connected to the lower side of the horizontal end of each of the two sliding blocks (22).

4. The metal piece precision stamping device according to claim 1, characterized in that, An equipment cavity for installing an electromagnetic guide rail (26) is formed in the inside of the front end of the workbench (1), moving blocks (27) that approach synchronously or move away synchronously are symmetrically fixed on the upper shore of the electromagnetic guide rail (26), and a support plate (28) is fixed on the top of each of the two moving blocks (27), the two support plates (28) penetrate through guide grooves in the bottom of the U-shaped area and are fixed with threaded studs (30), and dust organ flaps (29) are arranged between the guide grooves and the support plates (28).

5. The metal piece precision stamping device according to claim 4, characterized in that, A clearance hole for penetrating a threaded stud (30) is formed in the middle of one end of the positioning block (6), the threaded stud (30) is fixed with the positioning block (6) through a nut, and an anti-skid pad (31) is fixed on the contact end of the positioning block (6) and the workpiece through a screw.

6. The metal piece precision stamping device according to claim 1, wherein One side of the workbench (1) is fixed with a controller (32), and a storage cavity is arranged at the lower side of the front end of the workbench (1), both sides of the inside of the storage cavity are hingedly provided with cabinet doors (33), and the bottom corners of the workbench (1) are all provided with self-locking universal wheels (10).