Bidirectional stamping die for workpiece

Abstract

The die comprises a base, the upper end of the base is fixedly connected with four limiting rods which are distributed in a rectangular mode, the upper ends of the four limiting rods are jointly and fixedly connected with a top plate, the four limiting rods are each sleeved with four upper fixing blocks and four lower fixing blocks in a sliding mode, and the four upper fixing blocks and the four lower fixing blocks are arranged on the top plate. An upper plate is jointly and fixedly connected among the four upper fixing blocks, a lower plate is jointly and fixedly connected among the four lower fixing blocks, an upper die is installed at the lower end of the upper plate, a lower die is installed at the upper end of the lower plate, a cavity is formed in the lower die, and three adsorption holes are formed in each of the two sides of the upper end of the upper die; the multiple adsorption holes communicate with the cavity, and a vertical plate is jointly and fixedly connected between the top plate and the base. The stamping die is reasonable in structure, and due to the arrangement of the air exhaust mechanism and the adsorption holes, during stamping, the adsorption holes can generate negative pressure to adsorb workpieces, and the stability of the workpieces is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to stamping die technical field especially relates to a work piece bidirectional stamping's die. BACKGROUND

[0002] In metal processing and manufacturing industry, stamping process is a widely used forming method, which is used for processing metal plate into various shaped and structured workpieces. With the diversification and fine development of industrial products, the shape complexity, size accuracy and production efficiency of workpieces are put forward higher and higher requirements, and the traditional one-way stamping die has limitations when facing some special shapes or workpieces with complex characteristics, so the bidirectional stamping die appears.

[0003] In the prior art, the traditional bidirectional stamping die has great defects, such as the traditional bidirectional stamping die needs to place the workpiece on the upper end of the lower die during use, and the workpiece is easy to move during bidirectional movement because the workpiece cannot be fixed on the die, therefore the utility model provides a workpiece bidirectional stamping die to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a workpiece bidirectional stamping die.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A workpiece bidirectional stamping die, including the base, the upper end of the base is fixedly connected with four rectangularly distributed limit rods, the upper end of four limit rods is fixedly connected with the top plate, four limit rods are slidably sleeved with four upper fixed blocks and four lower fixed blocks, four upper fixed blocks are fixedly connected with the upper plate, four lower fixed blocks are fixedly connected with the lower plate, the lower end of the upper plate is provided with the upper die, the upper end of the lower plate is provided with the lower die, the lower die is provided with the cavity, the both sides of the upper end of the lower die are provided with three adsorption holes, a plurality of adsorption holes are communicated with the cavity, the top plate and the base are fixedly connected with the vertical plate, the vertical plate is provided with the air extraction mechanism for extracting air in the cavity, the air extraction mechanism includes the air extraction cover fixedly connected on the side wall of the vertical plate, the air extraction fan is rotatably connected in the air extraction cover, the lower end of the lower die is fixedly connected with the corrugated pipe, the corrugated pipe is communicated with the cavity, and the corrugated pipe and the air extraction cover are communicated through the air extraction pipe.

[0007] Preferably, the lower end of the top plate is fixedly connected with two symmetrically arranged hydraulic cylinders, and the telescopic ends of the two hydraulic cylinders are fixedly connected to the upper end of the upper plate.

[0008] Preferably, a rotating rod is rotatably connected to the vertical plate, and the air suction fan is fixedly sleeved on the rotating rod.

[0009] Preferably, a gear is fixedly sleeved on the end of the rotating rod away from the air suction fan, and the two racks are located on the two sides of the gear and meshed with the gear.

[0010] Preferably, a mold cavity is formed in the lower mold, and the upper end of the base is fixedly connected with two symmetrically arranged ejection rods which pass through the inner wall of the mold cavity and are slidably connected therewith.

[0011] Preferably, the lower end of the base is provided with a buffer pad made of rubber.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. By setting the air suction mechanism and the adsorption hole, the workpiece is placed on the upper end of the lower mold, the surface thereof is in contact with the workpiece, the workpiece blocks the adsorption hole, the telescopic end of the driven hydraulic cylinder is stretched during the bidirectional stamping, the upper plate is driven to move downward, the rack on the side wall of the upper plate is driven to move downward, the gear is driven to rotate, the lower rack meshed with the gear is driven to move upward, the lower plate and the lower mold are driven to move upward, the bidirectional stamping is completed, during the process, the rotation of the gear drives the rotating rod to rotate, the air suction fan is driven to rotate, the air suction fan rotates to suck out the gas in the cavity, the adsorption hole generates negative pressure, the workpiece is adsorbed, and the stability of the workpiece is improved.

[0014] 2. By setting the ejection rod, the ejection rod slides in the mold cavity when the lower mold moves upward, the ejection rod enters the mold cavity when the lower mold resets after the stamping is completed, the workpiece in the mold cavity is ejected, and the staff can conveniently take the material. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective view of the utility model of a workpiece bidirectional stamping mold;

[0016] Figure 2 It is a bottom perspective view of the utility model of a workpiece bidirectional stamping mold;

[0017] Figure 3 It is a sectional perspective view of the utility model of a workpiece bidirectional stamping mold;

[0018] Figure 4 It is a sectional front view of the utility model of a workpiece bidirectional stamping mold;

[0019] Figure 5 It is a sectional front view of the utility model of a workpiece bidirectional stamping mold; Figure 4 It is an enlarged view of the structure at A in the utility model.

[0020] In the figure: 1 base, 2 top plate, 3 limiting rod, 4 lower plate, 5 upper plate, 6 lower fixed block, 7 upper fixed block, 8 upper die, 9 hydraulic cylinder, 10 rack, 11 gear, 12 lower die, 13 ejection rod, 14 bellows, 15 air extraction pipe, 16 air extraction cover, 17 air extraction fan, 18 adsorption hole, 19 cavity. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent, obvious and easy to understand, the specific embodiments of the utility model are described in detail below. In the following description, a large number of specific details are set forth in order to fully understand the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the utility model, so the utility model is not limited by the specific implementation disclosed below.

[0022] REFERENCE Figures 1-5 The utility model relates to a kind of die of workpiece bidirectional stamping, including base 1, the lower end of base 1 is provided with buffer pad, the material of buffer pad is rubber, the buffer pad of rubber material can effectively improve the buffering effect of device, simultaneously have antiskid effect, improve the stability of device, the upper end of base 1 is fixedly connected with four limiting rods 3 that are rectangularly distributed, the upper end of four limiting rods 3 is fixedly connected with top plate 2 in common, four limiting rods 3 are all slidably sleeved with four upper fixed blocks 7 and four lower fixed blocks 6, four upper fixed blocks 7 are fixedly connected with upper plate 5 in common between them, four lower fixed blocks 6 are fixedly connected with lower plate 4 in common between them, the lower end of upper plate 5 is installed with upper die 8, the upper end of lower plate 4 is installed with lower die 12, cavity 19 is opened in lower die 12, three adsorption holes 18 are opened in the upper end of lower die 12, multiple adsorption holes 18 are communicated with cavity 19, top plate 2 and base 1 are fixedly connected with vertical plate in common between them, two groups of adsorption holes 18 are symmetrically arranged, product is adsorbed, so that workpiece is more stable during moving.

[0023] Vertical plate is provided with air extraction mechanism for extracting air in cavity 19, air extraction mechanism includes air extraction cover 16 fixedly connected on the side wall of vertical plate, air extraction fan 17 is rotatably connected in air extraction cover 16, lower end of lower die 12 is fixedly connected with bellows 14, bellows 14 is communicated with cavity 19, and bellows 14 and air extraction cover 16 are communicated by air extraction pipe 15, rotating rod is rotatably connected on vertical plate, air extraction fan 17 is fixedly sleeved on rotating rod, bellows 14 can be stretched and contracted following the movement of lower die 12 by using the connection of bellows 14.

[0024] The lower end of the top plate 2 is fixedly connected with two symmetrically arranged hydraulic cylinders 9, the telescopic ends of the two hydraulic cylinders 9 are fixedly connected to the upper end of the upper plate 5, the side walls of the upper plate 5 and the lower plate 4 are fixedly connected with racks 10, the end of the rotating rod away from the air suction fan 17 is fixedly sleeved with a gear 11, the two racks 10 are located on the two sides of the gear 11 and are engaged with the gear 11.

[0025] The lower die 12 is provided with a die cavity, the upper end of the base 1 is fixedly connected with two symmetrically arranged ejection rods 13, the two ejection rods 13 pass through the inner wall of the die cavity and are slidably connected therewith.

[0026] In use, first, the workpiece is placed on the upper end of the lower die 12, the surface thereof is in contact with the workpiece, the workpiece blocks the adsorption hole 18, in bidirectional stamping, the telescopic end of the hydraulic cylinder 9 is driven to extend, the upper plate 5 is driven to move downwards, the rack 10 on the side wall of the upper plate 5 is driven to move downwards, the gear 11 is driven to rotate, thereby the lower rack 10 engaged with the gear 11 is driven to move upwards, the lower plate 4 and the lower die 12 are driven to move upwards, bidirectional stamping is completed, in this process, the rotation of the gear 11 drives the rotating rod to rotate, the air suction fan 17 is driven to rotate, the rotation of the air suction fan 17 drives the gas in the cavity 19 to be sucked out, the adsorption hole 18 generates negative pressure, the workpiece is adsorbed, when the lower die 12 moves upwards, the ejection rod 13 slides in the die cavity, when stamping is completed, the lower die 12 slides on the ejection rod 13, the ejection rod 13 enters the die cavity, the workpiece in the die cavity is ejected, and the staff can conveniently take the material.

[0027] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A die for the two-way stamping of a workpiece comprising a base (1), characterised in that, The upper end of the base (1) is fixedly connected with four limiting rods (3) distributed in a rectangular shape, the upper ends of the four limiting rods (3) are fixedly connected with a top plate (2) in common, four upper fixed blocks (7) and four lower fixed blocks (6) are slidably sleeved on the four limiting rods (3), the four upper fixed blocks (7) are fixedly connected with an upper plate (5) in common, the four lower fixed blocks (6) are fixedly connected with a lower plate (4) in common, the lower end of the upper plate (5) is provided with an upper die (8), the upper end of the lower plate (4) is provided with a lower die (12), the lower die (12) is provided with a cavity (19), the upper end of the lower die (12) is provided with three suction holes (18) on both sides, the plurality of suction holes (18) are in communication with the cavity (19), the top plate (2) and the base (1) are fixedly connected with a vertical plate in common, the vertical plate is provided with an air exhaust mechanism for exhausting the cavity (19), the air exhaust mechanism comprises an air exhaust cover (16) fixedly connected to the side wall of the vertical plate, the air exhaust cover (16) is rotatably connected with an air exhaust fan (17), the lower end of the lower die (12) is fixedly connected with a corrugated pipe (14), the corrugated pipe (14) is in communication with the cavity (19), and the corrugated pipe (14) and the air exhaust cover (16) are in communication through an air exhaust pipe (15).

2. The die for bidirectional pressing of a workpiece according to claim 1, wherein The lower end of the top plate (2) is fixedly connected with two symmetrically arranged hydraulic cylinders (9), and the telescopic ends of the two hydraulic cylinders (9) are fixedly connected to the upper end of the upper plate (5).

3. The die for bidirectional stamping of a workpiece according to claim 2, wherein The vertical plate is rotatably connected with a rotating rod, and the air exhaust fan (17) is fixedly sleeved on the rotating rod.

4. The die for bidirectional pressing of a workpiece according to claim 3, wherein The side walls of the upper plate (5) and the lower plate (4) are fixedly connected with racks (10), and the end of the rotating rod away from the air exhaust fan (17) is fixedly sleeved with a gear (11), and the two racks (10) are located on the two sides of the gear (11) and are in meshing connection with the gear (11).

5. The die for bi-directional stamping of a workpiece of claim 4, wherein, The lower die (12) is provided with a die cavity, and the upper end of the base (1) is fixedly connected with two symmetrically arranged ejection rods (13), and the two ejection rods (13) pass through the inner wall of the die cavity and are slidably connected therewith.

6. The die for bidirectional stamping of a workpiece according to claim 5, wherein The lower end of the base (1) is provided with a buffer pad, and the buffer pad is made of rubber.

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