CN216300147U - Low-cost light and thin plastic plate stamping die - Google Patents

Abstract

The utility model discloses a low-cost light and thin plastic plate stamping die, which relates to the technical field of stamping dies and comprises a lower die seat, wherein a die cavity is formed in the middle of the top end of the lower die seat, a stripper plate is connected in a sliding manner inside the die cavity, an ejection sliding chute is formed in the bottom of the die cavity, an ejection sliding block is connected in the ejection sliding chute in a sliding manner, an ejection rod is fixedly connected in the middle of the top end of the ejection sliding block, limiting sliding chutes are formed in the middle of the bottom ends of the ejection rod and the ejection sliding block respectively, a limiting shaft is fixedly connected in the middle of the bottom end of the ejection sliding chute, the top end of the limiting shaft extends into the limiting sliding chute, an ejection spring is arranged on the outer wall of the limiting shaft, and two ends of the ejection spring are fixedly connected with the bottom of the ejection sliding chute and the bottom of the ejection sliding block respectively. According to the utility model, the lower die base, the demoulding plate, the ejection spring, the limiting shaft, the ejection rod and the ejection sliding block are arranged, so that the die can be quickly and automatically pushed for a punched workpiece.

Description

A low-cost light and thin plastic plate stamping die

technical field

The utility model relates to the technical field of stamping dies, in particular to a low-cost, light and thin plastic plate stamping die.

Background technique

Molds, various molds and tools used in industrial production to obtain the desired products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping, etc.; in short, molds are tools used to make molded articles , This tool is composed of various parts, and different molds are composed of different parts; it mainly realizes the processing of the shape of the item through the change of the physical state of the material being formed.

The Chinese utility model patent application number: CN201820949920.1 discloses a stamping die for plastic plates of environmental protection technology equipment, including a frame, the inner side of the frame is welded with a shell, an air pump is fixedly installed on the top of the frame, and an outlet of the air pump is installed. An air inlet pipe is fixedly connected to the air port, one end of the air inlet pipe extends to the inside of the casing, and two sides of the inner cavity of the casing are provided with chute grooves, and a piston is slidably connected between the two chute grooves, and both sides of the lower surface of the piston are A reset mechanism is provided, the bottom of the piston is welded with a movable connecting rod, one end of the movable connecting rod is fixedly connected with a mounting plate, the bottom of the mounting plate is fixedly installed with an upper template, one side of the outer surface of the casing is provided with a sealing mechanism, and the inner cavity of the frame is provided with a sealing mechanism. A lower template is fixedly installed on the lower surface of the . The light and thin plastic plate stamping die is inconvenient to unmold the plastic plate after stamping, thereby affecting the stamping efficiency of the die. At the same time, the die is inconvenient for buffering the stamping template during stamping, which makes the pressure of the stamping template too large, resulting in plastic Board damaged.

Therefore, it is necessary to propose a low-cost light and thin plastic plate stamping die to solve the above problems.

Utility model content

(1) Technical problems solved

The purpose of the utility model is: in order to solve the problem of the existing light and thin plastic plate stamping die, it is inconvenient to demold the plastic plate after stamping, thereby affecting the stamping efficiency of the die, and at the same time, it is inconvenient for the die to buffer the stamping template during stamping. , so that the pressure of the stamping template is too large and the plastic plate is damaged. The utility model provides a low-cost light and thin plastic plate stamping die.

(2) Technical solutions

The utility model specifically adopts the following technical solutions in order to achieve the above-mentioned purpose:

A low-cost, light and thin plastic plate stamping die, comprising a lower die base, a die cavity is opened in the middle of the top of the lower die base, an escape plate is slidably connected to the inside of the die cavity, and a bottom of the die cavity is opened There is an ejection chute, an ejection slider is slidably connected to the inside of the ejection chute, and an ejector rod is fixedly connected to the top middle of the ejection slider, and the ejection rod and the bottom of the ejection slider are fixedly connected. A limit chute is set in the middle of the end, and the middle part of the bottom end of the ejection chute is fixedly connected with a limit shaft. The top end of the limit shaft extends into the limit chute and is slidably connected with it. There is an ejection spring, the two ends of the ejection spring are respectively fixedly connected with the bottom of the ejection chute and the bottom of the ejection slider, and the top of the lower die base is fixedly connected with a fixed support column, and the fixed support The top of the column is fixedly connected with a fixed support plate, and the bottom of the fixed support plate is provided with an upper die seat.

Further, a buffer groove is opened in the middle of the bottom end of the upper die base, a punching template is slidably connected to the inside of the buffer groove, the bottom end of the punching template extends out of the buffer groove, and the top middle of the buffer groove is fixedly connected. There is a buffer mechanism.

Further, there are four buffer mechanisms, and buffer slide bars are arranged in the middle of the bottom ends of the four buffer mechanisms, and the buffer slide bars are evenly and symmetrically distributed in a rectangular shape.

Further, a buffer chute is provided inside the buffer mechanism, a buffer slider is slidably connected inside the buffer chute, a buffer slider is fixedly connected to the middle of the bottom end of the buffer slider, and the buffer slider is The bottom end protrudes from the buffer chute and is fixedly connected with the top of the stamping template.

Further, an electromagnet is fixedly connected to the top of the buffer chute, the buffer slider is made of magnetic material, and one end of the buffer slider close to the outer wall of the electromagnet is magnetically the same as the electromagnet, and the electromagnet is connected to the buffer. A buffer spring is fixedly connected between the sliders.

Further, there are four ejector chutes, the four ejector chutes are evenly and symmetrically distributed in the bottom four corners of the mold cavity in a rectangular shape, there are four fixed support columns, and four of the fixed support columns are provided. It is evenly distributed in the top four corners of the lower die base in a rectangular shape.

Further, a guide hole is formed in the middle of the top end of the fixed support plate, and a hydraulic rod is slidably connected to the inside of the guide hole.

Further, the top of the lower die base and the bottom of the fixed support plate are fixedly connected with limit posts, there are four limit posts, and the four limit posts are evenly distributed in a rectangular shape, and the upper die base is The four corners of the top are symmetrically provided with limit holes, and there are four limit holes, and the four limit holes are respectively slidably connected with the outer walls of the four limit columns.

(3) Beneficial effects

The beneficial effects of the present utility model are as follows:

1. In this utility model, by setting the lower die base, the die cavity, the ejecting plate, the ejecting spring, the limiting shaft, the ejecting rod and the ejecting slider, the punched workpiece can be pushed out quickly and automatically, which improves the efficiency of the punching process. The efficiency of pushing the die, thus ensuring the punching efficiency of the die and saving the punching time of the workpiece.

2. The utility model can buffer the stamping template by setting the upper die seat, stamping template, buffer mechanism, buffer sliding block, buffer sliding rod, electromagnet and buffer spring, so that after the pressure of the stamping template reaches the set value, The pressure behind the workpiece will no longer increase and maintain the maximum pressure for a period of time, thereby improving the stamping quality of the workpiece and avoiding damage to the workpiece due to excessive pressure.

3. In this utility model, by setting the lower die seat, the fixed support column, the fixed support plate, the upper die seat, the stamping template, the limit column and the limit hole, the device can ensure the stamping quality while making the device structure relatively simple and easy to use. The utility model is convenient, thereby reducing the production and manufacturing cost of the mold, and is beneficial to the popularization and use of the mold.

Description of drawings

Fig. 1 is the three-dimensional schematic diagram of the structure of the utility model;

Fig. 2 is the front sectional schematic diagram of the structure of the utility model;

Fig. 3 is the three-dimensional side sectional schematic diagram of the lower die seat of the present utility model;

FIG. 4 is a three-dimensional side cross-sectional schematic diagram of the upper die seat of the present invention.

Reference signs: 1. Lower die base; 2. Die cavity; 3. Fixed support column; 4. Fixed support plate; 5. Upper die base; 6. Guide hole; 7. Hydraulic rod; 8. Stamping template; 9 , buffer mechanism; 10, limit post; 11, escape template; 12, buffer groove; 13, eject chute; 14, eject spring; 15, limit shaft; 16, eject rod; 17, eject slide block; 18, limit chute; 19, buffer chute; 20, buffer slider; 21, buffer slide bar; 22, electromagnet; 23, buffer spring; 24, limit hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Example 1

Please refer to Figures 1-4, a low-cost, light and thin plastic plate stamping die, including a lower die base 1, a die cavity 2 is opened in the middle of the top of the lower die base 1, and an escape plate 11 is slidably connected to the inside of the die cavity 2. The bottom of the mold cavity 2 is provided with an ejector chute 13, an ejector slider 17 is slidably connected to the inside of the ejector chute 13, and an ejector rod 16 is fixedly connected to the middle of the top of the ejector slider 17. The ejector rod 16 A limit chute 18 is provided in the middle of the bottom end of the ejector slider 17 and the bottom end of the ejection chute 13 is fixedly connected to a limit shaft 15, and the top end of the limit shaft 15 extends into the limit chute 18 and slides with it. Connection, the outer wall of the limit shaft 15 is provided with an ejection spring 14, the two ends of the ejection spring 14 are respectively fixedly connected to the bottom of the ejection chute 13 and the bottom of the ejection slider 17, and the top of the lower die base 1 is fixedly connected There is a fixed support column 3 , the top of the fixed support column 3 is fixedly connected with a fixed support plate 4 , and the bottom of the fixed support plate 4 is provided with an upper die base 5 .

In this embodiment, by setting the lower die base 1, the die cavity 2, the ejection plate 11, the ejection spring 14, the limit shaft 15, the ejection rod 16 and the ejection slider 17, when the device starts to punch, the punching template 8. Punch the workpiece into the mold cavity 2 and drive the ejector platen 11 to descend. At this time, the ejector platen 11 drives the ejector slider 17 to descend through the ejector rod 16 and compresses the ejector spring 14. After the stamping is completed, the stamping template 8 rises. At the same time, the ejection spring 14 is reset under the action of its own elastic force and drives the ejector rod 16 to rise through the ejection slider 17. The ejector rod 16 rises and the workpiece is ejected through the ejection template 11, so that the stamped workpiece can be quickly and automatically removed. Pushing the mold improves the efficiency of the mold pushing, thereby ensuring the stamping efficiency of the mold and saving the stamping time of the workpiece.

Example 2

Please refer to FIG. 1 and FIG. 4. This embodiment is further optimized on the basis of Embodiment 1. Specifically, a buffer groove 12 is formed in the middle of the bottom end of the upper die base 5, and the buffer groove 12 is slidably connected with The punching template 8, the bottom end of the punching template 8 protrudes from the buffer groove 12, and the buffer mechanism 9 is fixedly connected to the top middle of the buffer groove 12.

Specifically, there are four buffer mechanisms 9 , and buffer slide bars 21 are arranged in the middle of the bottom ends of the four buffer mechanisms 9 , and the buffer slide bars 21 are evenly and symmetrically distributed in a rectangular shape.

Specifically, the buffer mechanism 9 is provided with a buffer chute 19 , a buffer slide 20 is slidably connected to the buffer slide 19 , and a buffer slide bar 21 is fixedly connected to the middle of the bottom end of the buffer slide 20 . The bottom end protrudes from the buffer chute 19 and is fixedly connected with the top of the stamping die plate 8 .

Specifically, an electromagnet 22 is fixedly connected to the top of the buffer chute 19, and the buffer slide 20 is made of magnetic material. A buffer spring 23 is fixedly connected between the blocks 20 .

In this embodiment, by arranging the upper die base 5 , the stamping die plate 8 , the buffer mechanism 9 , the buffer slide block 20 , the buffer slide bar 21 , the electromagnet 22 and the buffer spring 23 , the stamping die plate 8 punches the workpiece into the die shape during stamping. After the inside of the cavity 2, the hydraulic rod 7 continues to apply pressure. At this time, the stamping template 8 drives the buffer slider 20 to rise through the buffer slide rod 21 and overcomes the elastic force of the buffer spring 23 and the repulsion of the electromagnet 22 to rise. By adjusting the current of the electromagnet 22 , adjust the maximum punching force of the punching template 8, so that the punching template 8 can be buffered, so that after the pressure of the punching template 8 reaches the set value, the pressure behind the workpiece will no longer increase and maintain the maximum pressure for a period of time, thereby The stamping quality of the workpiece is improved, and the damage of the workpiece due to excessive pressure is avoided.

Example 3

Please refer to FIG. 1 and FIG. 2 , the present embodiment is optimized as follows on the basis of Example 1 or Example 2. Specifically, there are four ejector chutes 13 , and the four ejector chutes 13 are evenly and symmetrically distributed in a rectangular shape. At the bottom four corners of the mold cavity 2 , there are four fixed support columns 3 , and the four fixed support columns 3 are evenly distributed on the top four corners of the lower mold base 1 in a rectangular shape.

Specifically, a guide hole 6 is formed in the middle of the top end of the fixed support plate 4 , and a hydraulic rod 7 is slidably connected to the inside of the guide hole 6 . .

Specifically, limit posts 10 are fixedly connected between the top of the lower die base 1 and the bottom of the fixed support plate 4 , there are four limit posts 10 , the four limit posts 10 are evenly distributed in a rectangular shape, and the four corners of the top of the upper die base 5 Limiting holes 24 are symmetrically opened, and there are four limiting holes 24 , and the four limiting holes 24 are respectively slidably connected with the outer walls of the four limiting columns 10 .

In this embodiment, by setting the lower die base 1 , the fixed support column 3 , the fixed support plate 4 , the upper die base 5 , the stamping template 8 , the limit column 10 and the limit hole 24 , the device can ensure the stamping quality while ensuring the stamping quality. The device has a relatively simple structure and is convenient to use, thereby reducing the production and manufacturing cost of the mold and facilitating the popularization and use of the mold.

To sum up: the utility model can quickly and automatically push the stamped workpiece, improve the efficiency of pushing the mold, thereby ensuring the stamping efficiency of the mold, saving the stamping time of the workpiece, and at the same time, the stamping template 8 can be buffered , so that after the pressure of the stamping template 8 reaches the set value, the pressure behind the workpiece will no longer increase and maintain the maximum pressure for a period of time, thereby improving the stamping quality of the workpiece, avoiding the damage of the workpiece due to excessive pressure, and the device is installed in While ensuring the stamping quality, the structure of the device is relatively simple and the use is convenient, thereby reducing the production and manufacturing cost of the mold, which is beneficial to the popularization and use of the mold.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. The scope of patent protection of the present utility model is subject to the claims, and all equivalent structures made by using the description and accompanying drawings of the present utility model are used. Variations, for the same reason, should be included within the protection scope of the present invention.

Claims (8)

1. A low-cost light and thin plastic plate stamping die, comprising a lower die base (1), characterized in that: a die cavity (2) is provided in the middle of the top end of the lower die base (1), and the die cavity ( 2) The inner sliding connection of the ejection plate (11), the bottom of the mold cavity (2) is provided with an ejection chute (13), and the inner sliding connection of the ejection chute (13) is an ejection chute (13). Block (17), an ejector rod (16) is fixedly connected to the top middle of the ejection slider (17), and the ejection rod (16) and the bottom end of the ejection slider (17) have limited openings Positioning chute (18), the middle of the bottom end of the ejecting chute (13) is fixedly connected with a limiting shaft (15), and the top end of the limiting shaft (15) extends into the limiting chute (18) and is connected with it Sliding connection, the outer wall of the limit shaft (15) is provided with an ejection spring (14), and the two ends of the ejection spring (14) are respectively connected with the bottom of the ejection chute (13) and the ejection slider ( 17) The bottom is fixedly connected, the top of the lower die base (1) is fixedly connected with a fixed support column (3), and the top of the fixed support column (3) is fixedly connected with a fixed support plate (4), the fixed support The bottom of the support plate (4) is provided with an upper die seat (5). 2. A low-cost, light and thin plastic plate stamping die according to claim 1, wherein a buffer groove (12) is provided in the middle of the bottom end of the upper die base (5), and the buffer groove (12) A punching template (8) is slidably connected to the inside of the punching template (8), the bottom end of the punching template (8) protrudes from a buffer groove (12), and a buffer mechanism (9) is fixedly connected to the top middle of the buffer groove (12). 3. A low-cost, light and thin plastic plate stamping die according to claim 2, wherein there are four buffer mechanisms (9), and buffers are provided in the middle of the bottom ends of the four buffer mechanisms (9). A sliding rod (21), the buffer sliding rod (21) is evenly and symmetrically distributed in a rectangular shape. 4. A low-cost, light and thin plastic plate stamping die according to claim 2, wherein a buffer chute (19) is provided inside the buffer mechanism (9), and the buffer chute (19) is provided with a buffer chute (19). A buffer sliding block (20) is slidably connected inside, and a buffer sliding rod (21) is fixedly connected to the middle of the bottom end of the buffer sliding block (20). 19) and fixedly connected with the top of the stamping template (8). 5. A low-cost, light and thin plastic plate stamping die according to claim 4, characterized in that: an electromagnet (22) is fixedly connected to the top of the buffer chute (19), and the buffer slide (20) Made of magnetic material, one end of the buffer slider (20) close to the outer wall of the electromagnet (22) has the same magnetic properties as the electromagnet (22), and the electromagnet (22) and the buffer slider (20) are fixedly connected There is a buffer spring (23). 6. A low-cost, light-thin plastic plate stamping die according to claim 1, characterized in that: there are four ejector chutes (13), and the four ejector chutes (13) are rectangular and uniform The four fixed support columns (3) are symmetrically distributed at the bottom four corners of the mold cavity (2), and the four fixed support columns (3) are evenly distributed on the top four corners of the lower mold base (1) in a rectangular shape. 7. A low-cost, light and thin plastic plate stamping die according to claim 1, wherein a guide hole (6) is provided in the middle of the top of the fixed support plate (4), and the guide hole (6) is A hydraulic rod (7) is slidably connected inside, and the bottom end of the hydraulic rod (7) protrudes from the guide hole (6) and is fixedly connected with the top middle of the upper die base (5). 8. A low-cost light and thin plastic plate stamping die according to claim 1, characterized in that: a limiting column ( 10), there are four limit posts (10), the four limit posts (10) are evenly distributed in a rectangular shape, and limit holes (24) are symmetrically arranged at the four corners of the top of the upper die base (5), so There are four limit holes (24), and the four limit holes (24) are respectively slidably connected with the outer walls of the four limit posts (10).

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