High-speed punching machine with automatic die changing function

By combining a servo motor-driven semi-gear transmission with a hydraulic cylinder, the problem of low die-changing efficiency in high-speed punch presses is solved, enabling rapid and accurate die switching, improving production efficiency and reducing safety risks.

CN224101656UActive Publication Date: 2026-04-10KUNSHAN PINYUE PRECISION MOLD CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUNSHAN PINYUE PRECISION MOLD CO LTD
Filing Date
2025-05-12
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing high-speed punch presses lack automatic die-changing functions, which limits production flexibility. Die-changing requires manual operation with the machine stopped, affecting production efficiency and increasing safety risks.

Method used

The design employs a servo motor-driven semi-gear transmission system and a hydraulic cylinder to achieve rapid rotation and positioning switching of the stamping die. Combined with the sliding connection between the die groove and the support plate, it ensures accurate alignment of the die position.

Benefits of technology

It enables rapid and accurate replacement of high-speed punching die, improving production efficiency and reducing the risks and time costs of manual operation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224101656U_ABST
    Figure CN224101656U_ABST
Patent Text Reader

Abstract

The utility model discloses a high-speed punching machine with an automatic die changing function, which comprises a base, a stand column is arranged above the base, and a first die cavity and a second die cavity are arranged above the base. By adopting the design of the first half-tooth gear and the second half-tooth gear and combining with driving of the servo motor, rapid rotation and positioning position switching of the rotary table and the first stamping die and the second stamping die which are installed above the rotary table are achieved, when the servo motor drives the first half-tooth gear to rotate, tooth blocks of the first half-tooth gear can move in the circumferential direction, and the first half-tooth gear is driven by the servo motor to rotate. Due to the fact that the gear blocks of the two gears are only provided with half circumferences, when the gear blocks of the two gears are completely meshed, the first half-tooth gear synchronously rotates by 180 degrees (or half circumferences), the mechanical transmission mode not only replaces tedious manual operation, but also improves the transmission efficiency of the gear, and the gear blocks of the first half-tooth gear and the gear blocks of the second half-tooth gear can be driven by the first half-tooth gear to be driven by the second half-tooth gear to be driven by the second half-tooth gear to be driven by the second half-tooth gear to be driven by the second half-tooth gear. And moreover, the die changing efficiency, accuracy and reliability are remarkably improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to high -speed punch press technical field, concretely relates to a high -speed punch press with automatic die changing function. BACKGROUND

[0002] The punch press is a kind of metal punch press, mainly to make metal plate forming or punch on metal plate, by die to metal plate material and exert transient pressure, make it plastic deformation or shear separation, to obtain the shape and precision required, punch press is suitable for the stamping of a variety of materials and shape.

[0003] The existing high-speed punch press is usually equipped with only one die, so its production flexibility is greatly limited. When different shapes or sizes of workpieces need to be produced, the die must be replaced. For example, the punch press disclosed in the patent with the publication number CN220560173U allows the upper die and the lower die to be disassembled and installed. However, the disassembly and assembly of the upper die and the lower die need to be done during downtime. The downtime for die replacement means temporary interruption of the production line, which will directly affect the production efficiency. Moreover, the replacement of the upper die and the lower die also needs to be done manually, which involves direct contact with the machine, increasing the risk of operation and further increasing the labor cost and time cost.

[0004] Therefore, it is necessary to invent a high-speed punch press with automatic die changing function to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a kind of high-speed punch press with automatic die changing function to solve the problem of not having automatic die changing function in the prior art.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a high-speed punch press with automatic die changing function, comprising a base, a first punch die and a second punch die, the base is provided with a stand on the top, the top surface of the stand is provided with a top plate, one side of the top surface of the top plate is provided with a servo motor, the bottom of the top plate is provided with a mounting plate, the bottom of the mounting plate is provided with a turntable, a first half-tooth gear and a second half-tooth gear are arranged in the recess of the top plate, the first half-tooth gear is connected with the output end of the servo motor, the second half-tooth gear is connected with a rotating shaft at the center and extends through the top plate to the center of the top surface of the turntable, a first punch die and a second punch die are arranged on the left and right sides below the turntable, a first die groove and a second die groove are arranged on the top of the base.

[0007] Preferably, the outer wall of the first and second half gear is uniformly distributed with half a circular tooth block in the circumferential direction, and the arrangement of the tooth block enables the first and second half gear to mesh with each other at the position of the tooth block.

[0008] Preferably, the top surface of the rotating disc is provided with a sliding block, and the bottom surface of the mounting plate is provided with a sliding groove at the contact position of the sliding block, so that the stability and accuracy of the rotating disc during rotation are ensured.

[0009] Preferably, the rotating disc is provided with a gas cylinder on the left side and the right side, and the gas cylinder is provided with two output ends, one of which is connected with the first stamping die, and the other of which is connected with the second stamping die.

[0010] Preferably, the first stamping die is designed in a cylindrical structure, and the second stamping die is designed in a cuboid structure, so that different stamping dies of different shapes can be designed according to different stamping requirements.

[0011] Preferably, the first mold groove is located directly below the first stamping die, and the first mold groove and the first stamping die are designed in the same shape, and the second mold groove is arranged on one side of the first mold groove, and the second mold groove and the second stamping die are designed in the same shape.

[0012] Preferably, the bottom surface of the first and second mold groove is provided with a support plate, the bottom surface of the support plate is provided with a sliding seat, the top surface of the base is provided with a sliding rail, the sliding rail is located in the sliding seat, and the sliding rail and the sliding seat are connected in a sliding manner.

[0013] Preferably, the bottom surface of the support plate is provided with a first hydraulic cylinder and a second hydraulic cylinder, and the first and second hydraulic cylinders are located on the top surface of the base, the output end of the first hydraulic cylinder is connected with the support plate on the bottom surface of the first mold groove, and the output end of the second hydraulic cylinder is connected with the support plate on the bottom surface of the second mold groove.

[0014] In the above technical scheme, the technical effects and advantages of the present application are provided:

[0015] 1.The utility model discloses a design that adopts a half-tooth gear and a second half-tooth gear, combined with the driving of a servo motor, realizes the quick rotation and positioning switching position of a rotating disc and a first stamping die and a second stamping die installed above, when the servo motor drives the first half-tooth gear to rotate, the tooth block will move along the circumferential direction, until the tooth block of the second half-tooth gear meets and meshes with each other at the tooth block position, since the tooth blocks of the two gears are only half circumferences, when they are completely meshed, the first half-tooth gear has rotated 180 degrees (or half circumference) synchronously, this mechanical transmission mode not only replaces the complicated manual operation, but also significantly improves the die changing efficiency, accuracy and reliability.

[0016] 2.The utility model discloses a design that a first die groove and a second die groove and the support plate, sliding seat and slide rail system below are further designed to cooperate with the quick switching of the first stamping die and the second stamping die, through the extension and contraction of the first hydraulic cylinder and the second hydraulic cylinder, the position of the first die groove and the second die groove can be moved stably, realizing the exchange between them, this design ensures the accurate alignment between the first stamping die and the first die groove, the second stamping die and the second die groove, effectively improves the stability and precision of the stamping process. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the whole structure schematic diagram of the utility model;

[0018] Figure 2 It is the whole front view structure schematic diagram of the utility model;

[0019] Figure 3 It is the top plate section stereogram structure schematic diagram of the utility model;

[0020] Figure 4 It is the sliding block and sliding slot explosion stereogram structure schematic diagram of the utility model;

[0021] Figure 5 It is the sliding seat and slide rail explosion stereogram structure schematic diagram of the utility model.

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 1, base;2, stand;3, top plate;4, servo motor;5, mounting plate;6, rotating disc;7, first half-tooth gear;8, second half-tooth gear;9, rotating shaft;10, sliding block;11, sliding slot;12, first stamping die;13, second stamping die;14, air cylinder;15, first die groove;16, second die groove;17, support plate;18, sliding seat;19, slide rail;20, first hydraulic cylinder;21, second hydraulic cylinder. DETAILED DESCRIPTION

[0024] In order to make the technical scheme of the utility model better understood by the skilled in the art, the utility model will be further described in detail below in combination with the drawings.

[0025] The utility model provides a high -speed punch press with automatic die changing function Figures 1-5 As shown in a kind of high-speed punch with automatic die changing function shown in the utility model, including pedestal 1, No. 1 punch die 12 and No. 2 punch die 13, the top of pedestal 1 is provided with stand 2, the top surface of stand 2 is provided with top plate 3, one side of the top surface of top plate 3 is provided with servo motor 4, the bottom of top plate 3 is provided with mounting plate 5, the bottom of mounting plate 5 is provided with turntable 6, recess in the inside of top plate 3 is provided with No. 1 half-tooth gear 7 and No. 2 half-tooth gear 8, No. 1 half-tooth gear 7 is connected with the output end of servo motor 4, the center of No. 2 half-tooth gear 8 is connected with rotating shaft 9 and extends to the center of the top surface of turntable 6 and penetrates top plate 3, No. 1 punch die 12 and No. 2 punch die 13 are arranged on the left and right sides below turntable 6, and No. 1 die groove 15 and No. 2 die groove 16 are arranged on the top of pedestal 1.

[0026] The outer wall of No. 1 half-tooth gear 7 and No. 2 half-tooth gear 8 is uniformly distributed with half-circumferential tooth block in circumferential direction, and the arrangement of tooth block enables No. 1 half-tooth gear 7 and No. 2 half-tooth gear 8 to be engaged with each other at the position with tooth block, the top surface of turntable 6 is provided with sliding block 10, and the bottom surface of mounting plate 5 is provided with sliding groove 11 at the contact position with sliding block 10, the left and right sides above turntable 6 are provided with cylinder 14, and the cylinder 14 is provided with two, one output end of the cylinder 14 is connected with No. 1 punch die 12, and the output end of the other cylinder 14 is connected with No. 2 punch die 13, No. 1 punch die 12 is designed in cylindrical structure, and No. 2 punch die 13 is designed in cuboid structure.

[0027] When No. 1 half-tooth gear 7 driven to rotate by servo motor 4, the tooth block of No. 1 half-tooth gear 7 and the tooth block of No. 2 half-tooth gear 8 are engaged with each other at the position with tooth block, so as to drive turntable 6 to rotate, which ensures the accuracy and stability of the rotation of turntable 6, realizes the rapid rotation and positioning of No. 1 punch die 12 and No. 2 punch die 13, significantly improves the die changing efficiency, and the sliding block 10 on the top surface of turntable 6 cooperates with the sliding groove 11 on the bottom surface of mounting plate 5, which ensures the stability and accuracy of turntable 6 in the rotation process.

[0028] The first die groove 15 is located directly below the first stamping die 12, the first die groove 15 is designed in the same shape as the first stamping die 12, the first die groove 15 is provided with the second die groove 16 on one side, the second die groove 16 is designed in the same shape as the second stamping die 13, the bottom surface of the first die groove 15 and the second die groove 16 is provided with the supporting plate 17, the bottom surface of the supporting plate 17 is provided with the sliding seat 18, the upper portion of the base 1 is provided with the sliding rail 19, the sliding rail 19 is located in the interior of the sliding seat 18, and the sliding rail 19 and the sliding seat 18 are in sliding connection, the side below the supporting plate 17 is provided with the first hydraulic cylinder 20 and the second hydraulic cylinder 21 and is located on the top surface of the base 1, the output end of the first hydraulic cylinder 20 is connected with the supporting plate 17 on the bottom surface of the first die groove 15, and the output end of the second hydraulic cylinder 21 is connected with the supporting plate 17 on the bottom surface of the second die groove 16.

[0029] The matching design of the shapes of the first die groove 15 and the first stamping die 12 and the second die groove 16 and the second stamping die 13 ensures that the shape of the stamped workpiece is consistent with the shape of the die, and the extension and retraction movement of the first hydraulic cylinder 20 and the second hydraulic cylinder 21 realizes the movement and exchange of the positions of the first die groove 15 and the second die groove 16, so as to cooperate with the rapid switching of the first stamping die 12 and the second stamping die 13.

[0030] The working principle of the utility model is as follows:

[0031] The utility model discloses a stamping die quick switching device Figures 1-4 When using the utility model, first, start the servo motor 4, the servo motor 4 starts to drive the first half-tooth gear 7 to rotate, along with the rotation of the first half-tooth gear 7, the tooth block of the first half-tooth gear 7 will be mutually engaged with the tooth block of the second half-tooth gear 8 at the tooth block position, so the rotation of the second half-tooth gear 8 will drive the rotating disc 6 to rotate to 180 degrees together, when the rotating disc 6 rotates to 180 degrees, the first stamping die 12 originally located on the right side will move to the left side, and the second stamping die 13 originally located on the left side will move to the right side, realizing the exchange of the positions of the first stamping die 12 and the second stamping die 13.

[0032] The utility model discloses a stamping die quick switching device Figure 5When the first stamping die 12 and the second stamping die 13 are switched in position, the first hydraulic cylinder 20 and the second hydraulic cylinder 21 can be used, with the extension and retraction movement of the first hydraulic cylinder 20, the first die groove 15 will slide in the slide base 18 along the slide rail 19, and the second hydraulic cylinder 21 drives the second die groove 16 to move, so that the position of the first die groove 15 and the second die groove 16 is stably exchanged, so that when the first stamping die 12 is used, the first die groove 15 is located directly below the first stamping die 12, and when the second stamping die 13 is used, the second die groove 16 is located directly below the second stamping die 13, so that the first stamping die 12 and the second stamping die 13 and the first die groove 15 and the second die groove 16 are quickly and accurately exchanged, and the diversified processing requirements are met.

Claims

1. A high-speed punch press with automatic die changing function, comprising a base (1), a first punch die (12) and a second punch die (13), characterized in that: The top of the base (1) is provided with a column (2), the top surface of the column (2) is provided with a top plate (3), one side of the top surface of the top plate (3) is provided with a servo motor (4), the bottom of the top plate (3) is provided with a mounting plate (5), the lower side of the mounting plate (5) is provided with a rotating disc (6), the recess inside the top plate (3) is provided with a first half-tooth gear (7) and a second half-tooth gear (8), the output end of the servo motor (4) is connected with the first half-tooth gear (7), the center of the second half-tooth gear (8) is connected with a rotating shaft (9) and extends through the top plate (3) to the center of the top surface of the rotating disc (6), the left and right sides below the rotating disc (6) are provided with a first stamping die (12) and a second stamping die (13), the top of the base (1) is provided with a first mold groove (15) and a second mold groove (16).

2. The high-speed punch press with automatic die changing function according to claim 1, characterized in that: The outer wall of the first half-tooth gear (7) and the second half-tooth gear (8) is uniformly distributed with a half-circumferential tooth block in the circumferential direction, and the arrangement mode of the tooth block enables the first half-tooth gear (7) and the second half-tooth gear (8) to be engaged with each other at the position with the tooth block.

3. The high-speed punch press with automatic die changing function according to claim 1, characterized in that: The top surface of the rotating disc (6) is provided with a sliding block (10), and the bottom surface of the mounting plate (5) is provided with a sliding groove (11) at the contact position of the sliding block (10).

4. The high-speed punch press with automatic die changing function according to claim 1, characterized in that: The left and right sides above the rotating disc (6) are provided with air cylinders (14), and the air cylinders (14) are provided with two, one output end of the air cylinder (14) is connected with the first stamping die (12), and the other output end of the air cylinder (14) is connected with the second stamping die (13).

5. The high-speed punch press having an automatic die changing function according to claim 4, characterized in that: The first stamping die (12) is designed in a cylindrical structure, and the second stamping die (13) is designed in a cuboid structure.

6. The high-speed punch press with automatic die changing function according to claim 1, characterized in that: The first mold groove (15) is located directly below the first stamping die (12), the first mold groove (15) and the first stamping die (12) are designed in the same shape, one side of the first mold groove (15) is provided with a second mold groove (16), and the second mold groove (16) and the second stamping die (13) are designed in the same shape.

7. The high-speed punch press having an automatic die changing function according to claim 6, characterized in that: The bottom surface of the first mold groove (15) and the second mold groove (16) is provided with a support plate (17), the bottom surface of the support plate (17) is provided with a sliding seat (18), the top of the base (1) is provided with a sliding rail (19), the sliding rail (19) is located in the sliding seat (18), and the sliding rail (19) and the sliding seat (18) are connected in sliding mode.

8. The high-speed punch press with automatic die changing function according to claim 7, characterized in that: One side below the support plate (17) is provided with a first hydraulic cylinder (20) and a second hydraulic cylinder (21) and located on the top surface of the base (1), the output end of the first hydraulic cylinder (20) is connected with the support plate (17) on the bottom surface of the first mold groove (15), and the output end of the second hydraulic cylinder (21) is connected with the support plate (17) on the bottom surface of the second mold groove (16).

Citation Information

Patent Citations

  • Punching machine facilitating die replacement

    CN220560173U