Stamping die with cutting structure

Abstract

The utility model discloses a stamping die with a cutting structure, and aims to solve the technical problem that the machining efficiency of a metal plate is reduced due to the fact that groove pressing and cutting of the metal plate need to be performed in two steps because a stamping die in the prior art only has a single function during machining. The stamping die comprises an upper die base, an upper die core, a lower die base, a lower die core and a metal plate, the upper die core is installed at the bottom of the upper die base, the lower die core is installed on the upper surface of the lower die base, and the metal plate is located between the upper die core and the lower die core. According to the stamping die, when a first telescopic rod extends, a cutting knife can be driven to move downwards through a connecting support till the bottom is exposed out of the lower surface of an upper die core, and when the upper die core extrudes a metal plate to move downwards to the surface of a lower die core, the upper die core continues to move downwards to extrude the surface of the metal plate through the cutting knife; and the metal plate can be cut under the extrusion of the cutting knife.

Description

TECHNICAL FIELD

[0001] The utility model belongs to punch die technical field, concretely relates to a punch die with cutting structure. BACKGROUND

[0002] Punch die is a kind of special process equipment in cold stamping processing, and it is usually called cold stamping die or cold punch die.Punch die is a kind of pressure processing method that separates or plastically deforms materials at room temperature by using die installed on a press machine to apply pressure on materials, so as to obtain required parts.Punch die has the advantages of high production efficiency, good quality, light weight and low cost.

[0003] According to the search, the "side limit punch die" disclosed in the application number "CN202321869725.5" belongs to the same technical field as the present technical solution.The automatic workpiece abutting device of the utility model is provided with a side top block on the upper clamping plate, and a side top piece is provided on the lower die plate.The side top piece is provided with a stress end and a side top end.When the upper die seat drives the upper clamping plate to move downward, the side top block on the upper clamping plate pushes the stress end of the side top piece to slide, so that the side top end provided at one end of the side top piece is pushed to abut the workpiece and the side stop block, thereby improving the problem of poor abutment caused by manual pushing and reducing the punching precision.

[0004] The existing punch die has the following problems in use:

[0005] The current punch die has only a single function during processing, which requires two steps to process the pressing groove and cutting of the metal plate, thus reducing the processing efficiency of the metal plate. UTILITY MODEL CONTENTS

[0006] (1) Technical problem to be solved

[0007] In view of the deficiencies of the prior art, the utility model aims to provide a punch die with cutting structure, which aims to solve the technical problem that the existing punch die has only a single function during processing, which requires two steps to process the pressing groove and cutting of the metal plate, thus reducing the processing efficiency of the metal plate.

[0008] (2) Technical solution

[0009] In order to solve the above technical problems, the utility model provides a stamping die with cutting structure, this stamping die includes upper die holder, upper die core, lower die holder, lower die core and metal sheet, the bottom of upper die holder is installed with upper die core, the upper surface of lower die holder is installed with lower die core, the metal sheet is located between upper die core and lower die core, the inside of upper die core is installed with first telescopic link, the telescopic end of first telescopic link is connected with connecting support, the lower surface of connecting support is connected with cutting knife, the surface of connecting support is equipped with first guide round hole, the inside of first guide round hole is penetrated with first guide rod, first guide rod is connected in the inner wall of upper die core.

[0010] When the stamping die of the present technical solution is used, the first telescopic link can drive the cutting knife to move downward through the connecting support when it is extended, the cutting knife moves downward until the bottom exposes the lower surface of the upper die core, the upper die holder can drive the upper die core to move downward, and when the upper die core moves downward to extrude the metal sheet to the upper surface of the lower die core, the upper die core continues to move downward to extrude the surface of the metal sheet through the cutting knife, and the metal sheet can be cut by the extrusion of the cutting knife. In this way, the metal sheet can be cut while being extruded and formed.

[0011] Preferably, a hydraulic telescopic structure is formed between the connecting support and the first telescopic link, and the connecting support is slidably connected with the first guide rod through the first guide round hole. When the first telescopic link is extended, the connecting support can move downward, and the connecting support can drive the first guide round hole to slide on the surface of the first guide rod when it moves downward.

[0012] Further, a limiting baffle is connected to the upper surface of the lower die holder, a positioning block is arranged on the upper surface of the lower die holder, a movable slot is formed in the surface of the positioning block, a limiting rod is penetrated in the movable slot, the limiting rod is connected to the upper surface of the lower die holder, a connecting block is connected to the side surface of the positioning block, and a second telescopic link is arranged between the connecting block and the lower die holder.

[0013] Further, the positioning block is slidably connected with the limiting rod through the movable slot, and a hydraulic telescopic structure is formed between the connecting block and the second telescopic link. When the second telescopic link is extended, the connecting block can move transversely by being extruded, the connecting block can generate a force on the positioning block when it moves transversely, and the positioning block can drive the movable slot to slide on the surface of the limiting rod when it is subjected to the force. In this way, the position of the positioning block can be adjusted.

[0014] Further, the upper mold core is provided with a hemming block on both sides, a second guide hole is formed in the surface of the hemming block, a second guide rod penetrates the second guide hole, the second guide rod is connected to the side surface of the upper mold core, a driving motor is installed on the side surface of the hemming block, a threaded rod is connected to the output end of the driving motor, and a threaded groove is formed in the side surface of the upper mold core close to the threaded rod.

[0015] Further, the hemming block is connected to the second guide rod through the second guide hole, the threaded rod is connected to the threaded groove, the threaded rod can rotate when the driving motor operates, the threaded rod can move horizontally when rotating in the threaded groove, and the hemming block can move horizontally when the threaded rod moves horizontally through the driving motor, so that the position of the hemming block can be adjusted.

[0016] (3) Advantageous effects

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] 1. When the first telescopic rod extends, the cutting knife can move downward through the connecting support, the cutting knife moves downward until the bottom exposes the lower surface of the upper mold core, the upper mold base moves downward to drive the upper mold core to move downward, and the upper mold core continues to move downward to extrude the surface of the metal plate to the surface of the lower mold core.

[0019] 2. The extension of the second telescopic rod can drive the positioning block to move horizontally through the connecting block, so that the position of the positioning block can be adjusted, and then the position of the hemming block can be controlled through the operation of the driving motor, so that the position of the hemming of the metal plate can be adjusted. DRAWINGS

[0020] Figure 1 It is a specific embodiment of the utility model device main body structure schematic view;

[0021] Figure 2 It is an internal structure of the upper mold core of a specific embodiment of the utility model device sectional view and enlarged view;

[0022] Figure 3 It is a connecting support and cutting knife structure schematic view of a specific embodiment of the utility model device;

[0023] Figure 4 It is a lower mold base structure schematic view of a specific embodiment of the utility model device;

[0024] Figure 5 It is a lower die base structure sectional view of a specific embodiment of the device of the utility model;

[0025] Figure 6 It is an explosion map of a flanging block connecting structure of a specific embodiment of the device of the utility model;

[0026] Figure 7 It is a structure schematic diagram of unprocessed metal plate of a specific embodiment of the device of the utility model;

[0027] Figure 8 It is a structure schematic diagram of processed metal plate of a specific embodiment of the device of the utility model.

[0028] The signs in the drawing are: 1, upper die base; 2, upper die core; 3, lower die base; 4, lower die core; 5, first telescopic rod; 6, connecting support; 7, cutting knife; 8, first guide round hole; 9, first guide rod; 10, limiting baffle; 11, positioning block; 12, movable groove; 13, limiting rod; 14, connecting block; 15, second telescopic rod; 16, flanging block; 17, second guide round hole; 18, second guide rod; 19, driving motor; 20, threaded rod; 21, threaded groove; 22, metal plate. Specific embodiment

[0029] The specific embodiment is a stamping die with cutting structure, and its structure schematic diagram is shown in the figure. Figures 1-8 The stamping die comprises an upper die base 1, an upper die core 2, a lower die base 3, a lower die core 4 and a metal plate 22, the bottom of the upper die base 1 is provided with the upper die core 2, the upper surface of the lower die base 3 is provided with the lower die core 4, and the metal plate 22 is located between the upper die core 2 and the lower die core 4; the inside of the upper die core 2 is provided with a first telescopic rod 5, the telescopic end of the first telescopic rod 5 is connected with a connecting support 6, the lower surface of the connecting support 6 is connected with a cutting knife 7, the surface of the connecting support 6 is provided with a first guide round hole 8, the inside of the first guide round hole 8 is penetrated through with a first guide rod 9, and the first guide rod 9 is connected to the inner wall of the upper die core 2.

[0030] Among them, the connecting support 6 and the first telescopic rod 5 constitute a hydraulic telescopic structure, and the connecting support 6 constitutes a sliding connection through the first guide round hole 8 and the first guide rod 9.

[0031] In addition, the upper surface of the lower die base 3 is connected with a limiting baffle 10, the upper surface of the lower die base 3 is provided with a positioning block 11, the surface of the positioning block 11 is provided with a movable groove 12, the inside of the movable groove 12 is penetrated through with a limiting rod 13, the limiting rod 13 is connected to the upper surface of the lower die base 3, the side surface of the positioning block 11 is connected with a connecting block 14, the second telescopic rod 15 is installed between the connecting block 14 and the lower die base 3, and the positioning block 11 constitutes a sliding connection through the movable groove 12 and the limiting rod 13.

[0032] And, the upper mold core 2 is provided with a hemming block 16 on both sides, the surface of the hemming block 16 is provided with a second guide round hole 17, the second guide round hole 17 is penetrated by a second guide rod 18, the second guide rod 18 is connected to the side surface of the upper mold core 2, the side surface of the hemming block 16 is provided with a driving motor 19, the output end of the driving motor 19 is connected with a threaded rod 20, the side surface of the upper mold core 2 close to the threaded rod 20 is provided with a threaded groove 21, the hemming block 16 is slidably connected through the second guide round hole 17 and the second guide rod 18, and the threaded rod 20 is threadedly connected with the threaded groove 21.

[0033] Working principle: when the device is used, firstly, the second telescopic rod 15 is controlled to operate, the second telescopic rod 15 can extend, the second telescopic rod 15 can extrude the transverse movement of the connecting block 14 when extending, the connecting block 14 can generate the force on the positioning block 11 when moving transversely, the positioning block 11 can drive the movable groove 12 to slide on the surface of the limiting rod 13 under the action of the force, then the driving motor 19 is controlled to operate, the driving motor 19 can drive the threaded rod 20 to rotate when operating, the threaded rod 20 can move transversely when rotating in the threaded groove 21, and the hemming block 16 can move transversely through the driving of the driving motor 19 when the threaded rod 20 moves transversely;

[0034] Then the first telescopic rod 5 is operated, the first telescopic rod 5 can drive the connecting support 6 to move downwards when extending, the connecting support 6 can drive the cutting knife 7 to move downwards when moving downwards, and the cutting knife 7 moves downwards until the lower surface of the upper mold core 2 is exposed at the bottom;

[0035] The metal plate 22 is placed on the inner wall of the limiting baffle 10, the upper mold base 1 drives the upper mold core 2 to move downwards, the upper mold core 2 can drive the hemming block 16 to move downwards, the hemming block 16 can extrude the metal plate 22 when moving downwards to the upper surface of the metal plate 22, the hemming block 16 can extrude the metal plate 22 when continuing to move downwards, the metal plate 22 can be bent under the limitation of the positioning block 11 when being extruded, and the upper mold core 2 can extrude the surface of the metal plate 22 through the cutting knife 7 when continuing to move downwards, and the metal plate 22 can be cut through the extrusion of the cutting knife 7, so that the metal plate 22 can be cut while being extruded and formed.

[0036] All the technical features in the embodiment can be freely combined according to actual needs.

[0037] The above embodiment is a preferred implementation scheme of the utility model, in addition, the utility model can be realized in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the utility model.

Claims

1. A stamping die with a cutting structure, the stamping die comprising an upper die base (1), an upper die core (2), a lower die base (3), a lower die core (4), and a metal sheet (22), characterized in that, The upper mold base (1) is equipped with an upper mold core (2) at its bottom, and the lower mold base (3) is equipped with a lower mold core (4) on its upper surface. The metal plate (22) is located between the upper mold core (2) and the lower mold core (4). The upper mold core (2) is equipped with a first telescopic rod (5), the telescopic end of the first telescopic rod (5) is connected to a connecting bracket (6), the lower surface of the connecting bracket (6) is connected to a cutting blade (7), the surface of the connecting bracket (6) is provided with a first guide hole (8), the interior of the first guide hole (8) is penetrated by a first guide rod (9), and the first guide rod (9) is connected to the inner wall of the upper mold core (2).

2. A stamping die with a cutting structure according to claim 1, characterized in that, The connecting bracket (6) and the first telescopic rod (5) form a hydraulic telescopic structure.

3. A stamping die with a cutting structure according to claim 1, characterized in that, The connecting bracket (6) is slidably connected to the first guide rod (9) through the first guide hole (8).

4. A stamping die with a cutting structure according to claim 1, characterized in that, The upper surface of the lower mold base (3) is connected to a limiting baffle (10), and a positioning block (11) is provided on the upper surface of the lower mold base (3). A movable groove (12) is opened on the surface of the positioning block (11), and a limiting rod (13) passes through the interior of the movable groove (12). The limiting rod (13) is connected to the upper surface of the lower mold base (3). A connecting block (14) is connected to the side surface of the positioning block (11), and a second telescopic rod (15) is installed between the connecting block (14) and the lower mold base (3).

5. A stamping die with a cutting structure according to claim 4, characterized in that, The positioning block (11) is slidably connected to the limiting rod (13) through the movable groove (12).

6. A stamping die with a cutting structure according to claim 5, characterized in that, The connecting block (14) and the second telescopic rod (15) form a hydraulic telescopic structure.

7. A stamping die with a cutting structure according to claim 4, characterized in that, Both sides of the upper mold core (2) are provided with folding blocks (16). The surface of the folding block (16) is provided with a second guide hole (17). A second guide rod (18) passes through the interior of the second guide hole (17). The second guide rod (18) is connected to the side surface of the upper mold core (2). A drive motor (19) is installed on the side surface of the folding block (16). The output end of the drive motor (19) is connected to a threaded rod (20). A threaded groove (21) is provided on the side surface of the upper mold core (2) near the threaded rod (20).

8. A stamping die with a cutting structure according to claim 7, characterized in that, The folded edge block (16) is slidably connected to the second guide rod (18) through the second guide hole (17).

9. A stamping die with a cutting structure according to claim 7, characterized in that, The threaded rod (20) and the threaded groove (21) are connected by a thread.

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