CN216300147U

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

Info

Publication number: CN216300147U
Application number: CN202122348768.6U
Authority: CN
Inventors: 董培君
Original assignee: Individual
Current assignee: Shanghai Jinglei Plastic Die Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-04-15
Anticipated expiration: 2031-09-27

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

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

The mold is used for obtaining various molds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production; in short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts; the processing of the appearance of an article is realized mainly through the change of the physical state of a formed material.

In chinese utility model patent application no: discloses there is a stamping die for plastic slab of environmental protection scientific and technological equipment in CN201820949920.1, which comprises a frame, the inboard welding of frame has the casing, the top fixed mounting of frame has the air pump, the gas outlet department fixedly connected with intake pipe of air pump, the one end of intake pipe extends to the inside of casing, the spout has all been seted up to the both sides of casing inner chamber, and sliding connection has the piston between two spouts, the both sides of piston lower surface all are provided with canceling release mechanical system, the bottom welding of piston has the movable connecting rod, the one end fixedly connected with mounting panel of movable connecting rod, the bottom fixed mounting of mounting panel has the cope match-plate pattern, one side of casing surface is provided with sealing mechanism, the lower fixed surface of frame inner chamber installs the lower bolster. This frivolous plastic slab stamping die is not convenient for move back the mould to the plastic slab after the punching press is accomplished to influence the stamping efficiency of mould, the mould is not convenient for when the punching press simultaneously cushions the stamping die board, thereby makes the too big plastic slab that leads to of stamping die board damage.

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

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to: the utility model provides a low-cost light and thin plastic plate stamping die, which aims to solve the problems that the existing light and thin plastic plate stamping die is inconvenient to remove a die from a stamped plastic plate, so that the stamping efficiency of the die is influenced, and the die is inconvenient to buffer a stamping template during stamping, so that the pressure of the stamping template is too high, and the plastic plate is damaged.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose:

a low-cost light and thin plastic plate stamping die comprises a lower die base, wherein a die cavity is formed in the middle of the top end of the lower die base, 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 and is connected with the limiting sliding chute in a sliding manner, an ejection spring is arranged on the outer wall of the limiting shaft, 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, a fixed support column is fixedly connected with the top of the lower die base, and a fixed support plate is fixedly connected with the top of the fixed support column, an upper die holder is arranged at the bottom of the fixed supporting plate.

Furthermore, a buffer groove is formed in the middle of the bottom end of the upper die base, a stamping template is connected to the inside of the buffer groove in a sliding mode, the bottom end of the stamping template extends out of the buffer groove, and a buffer mechanism is fixedly connected to the middle of the top end of the buffer groove.

Furthermore, the buffer mechanisms are four, buffer sliding rods are arranged in the middle of the bottom ends of the four buffer mechanisms and are uniformly and symmetrically distributed in a rectangular shape.

Further, a buffering sliding groove is formed in the buffering mechanism, a buffering sliding block is connected to the inside of the buffering sliding groove in a sliding mode, a buffering sliding rod is fixedly connected to the middle of the bottom end of the buffering sliding block, and the bottom end of the buffering sliding rod extends out of the buffering sliding groove and is fixedly connected with the top of the stamping template.

Furthermore, the top of the buffering chute is fixedly connected with an electromagnet, the buffering slide block is made of a magnetic material, one end, close to the outer wall of the electromagnet, of the buffering slide block has the same magnetism as the electromagnet, and a buffering spring is fixedly connected between the electromagnet and the buffering slide block.

Furthermore, the number of the ejection chutes is four, the four ejection chutes are uniformly and symmetrically distributed at four corners of the bottom of the die cavity in a rectangular shape, the number of the fixed support columns is four, and the four fixed support columns are uniformly distributed at four corners of the top of the lower die base in a rectangular shape.

Furthermore, a guide hole is formed in the middle of the top end of the fixed supporting plate, a hydraulic rod is connected to the inside of the guide hole in a sliding mode, and the bottom end of the hydraulic rod extends out of the guide hole and is fixedly connected with the middle of the top end of the upper die base.

Furthermore, the upper die base is provided with four limiting holes, and the four limiting holes are respectively in sliding connection with the outer walls of the four limiting columns.

(III) advantageous effects

The utility model has the following beneficial effects:

1. according to the utility model, by arranging the lower die base, the die cavity, the stripper plate, the ejection spring, the limiting shaft, the ejection rod and the ejection slide block, a punched workpiece can be quickly and automatically pushed, so that the die pushing efficiency is improved, the punching efficiency of the die is ensured, and the punching time of the workpiece is saved.

2. According to the utility model, the upper die base, the stamping die plate, the buffer mechanism, the buffer slide block, the buffer slide rod, the electromagnet and the buffer spring are arranged, so that the stamping die plate can be buffered, after the pressure of the stamping die plate reaches a set value, the pressure behind the workpiece is not increased any more, and the maximum pressure is kept for a period of time, thereby improving the stamping quality of the workpiece, and avoiding the damage of the workpiece due to overlarge pressure.

3. According to the utility model, by arranging the lower die base, the fixed support column, the fixed support plate, the upper die base, the stamping die plate, the limiting column and the limiting hole, the device has a simpler structure and is convenient to use while the stamping quality is ensured, so that the production and manufacturing cost of the die is reduced, and the popularization and the use of the die are facilitated.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a schematic cross-sectional front view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional side view of the lower die holder of the present invention;

FIG. 4 is a schematic sectional side view of the upper mold base according to the present invention.

Reference numerals: 1. a lower die holder; 2. a mold cavity; 3. fixing the support columns; 4. fixing the support plate; 5. an upper die holder; 6. a guide hole; 7. a hydraulic lever; 8. stamping the template; 9. a buffer mechanism; 10. a limiting column; 11. removing the template; 12. a buffer tank; 13. ejecting out the chute; 14. ejecting a spring; 15. a limiting shaft; 16. ejecting the rod; 17. ejecting the sliding block; 18. a limiting chute; 19. a buffer chute; 20. a buffer slide block; 21. buffering the sliding rod; 22. an electromagnet; 23. a buffer spring; 24. and a limiting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1-4, a low-cost light and thin plastic plate stamping die comprises a lower die holder 1, a die cavity 2 is arranged in the middle of the top end of the lower die holder 1, a stripper plate 11 is slidably connected inside the die cavity 2, an ejection chute 13 is arranged at the bottom of the die cavity 2, an ejection slider 17 is slidably connected inside the ejection chute 13, an ejection rod 16 is fixedly connected in the middle of the top end of the ejection slider 17, limit chutes 18 are respectively arranged in the middle of the bottom ends of the ejection rod 16 and the ejection slider 17, a limit shaft 15 is fixedly connected in the middle of the bottom end of the ejection chute 13, the top end of the limit shaft 15 extends into the limit chute 18 and is slidably connected with the limit chute, an ejection spring 14 is arranged on the outer wall of the limit shaft 15, two ends of the ejection spring 14 are respectively fixedly connected with the bottom of the ejection chute 13 and the bottom of the ejection slider 17, a fixed support column 3 is fixedly connected with the top of the lower die holder 1, the top fixedly connected with fixed support plate 4 of fixed stay post 3, the bottom of fixed support plate 4 is equipped with upper die base 5.

In the embodiment, by arranging the lower die holder 1, the die cavity 2, the die withdrawing plate 11, the ejection spring 14, the limiting shaft 15, the ejection rod 16 and the ejection slider 17, when the device is opened to perform stamping, the workpiece is pushed into the die cavity 2 by the stamping die plate 8 and the ejection die plate 11 is driven to descend, at the moment, the ejection die plate 11 drives the ejection slider 17 to descend through the ejection rod 16 and compress the ejection spring 14, the stamping die plate 8 ascends after the stamping is completed, at the moment, the ejection spring 14 resets under the action of self elasticity and drives the ejection rod 16 to ascend through the ejection slider 17, the ejection rod 16 ascends and retreats the workpiece through the ejection die plate 11, so that the stamped workpiece can be rapidly and automatically pushed, the die pushing efficiency is improved, the stamping efficiency of the die is ensured, and the stamping time of the workpiece is saved.

Example 2

Referring to fig. 1 and 4, the present embodiment is further optimized based on embodiment 1, specifically, a buffer slot 12 is formed in the middle of the bottom end of the upper die base 5, a stamping die plate 8 is slidably connected inside the buffer slot 12, the bottom end of the stamping die plate 8 extends out of the buffer slot 12, and a buffer mechanism 9 is fixedly connected to the middle of the top end of the buffer slot 12.

Specifically, the number of the buffer mechanisms 9 is four, 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 uniformly and symmetrically distributed in a rectangular shape.

Specifically, buffering spout 19 has been seted up to buffer gear 9's inside, and the inside sliding connection of buffering spout 19 has buffering slider 20, and buffering slider 20's bottom middle part fixedly connected with buffering slide bar 21, the bottom of buffering slide bar 21 stretch out buffering spout 19 and with the top fixed connection of die plate 8.

Specifically, the top of the buffering chute 19 is fixedly connected with an electromagnet 22, the buffering slide block 20 is made of a magnetic material, one end of the buffering slide block 20, which is close to the outer wall of the electromagnet 22, has the same magnetism as the electromagnet 22, and a buffering spring 23 is fixedly connected between the electromagnet 22 and the buffering slide block 20.

In this embodiment, by providing the upper die holder 5, the stamping die plate 8, the buffer mechanism 9, the buffer slider 20, the buffer slide rod 21, the electromagnet 22 and the buffer spring 23, when the stamping die plate 8 buffers the workpiece into the die cavity 2 during stamping, the hydraulic rod 7 continues to apply pressure, at this time, the stamping die plate 8 drives the buffer slider 20 to ascend through the buffer slide rod 21 and overcome the elasticity of the buffer spring 23 and the repulsive force of the electromagnet 22 to ascend, and the maximum stamping force of the stamping die plate 8 is adjusted by adjusting the current of the electromagnet 22, so that the stamping die plate 8 can be buffered, after the pressure of the stamping die plate 8 reaches a set value, the pressure behind the workpiece will not increase any more and the maximum pressure is kept for a period of time, thereby improving the stamping quality of the workpiece, and avoiding the workpiece from being damaged due to excessive pressure.

Example 3

Referring to fig. 1 and fig. 2, the present embodiment is optimized based on example 1 or example 2, specifically, there are four ejection chutes 13, four ejection chutes 13 are uniformly and symmetrically distributed in a rectangular shape at four corners of the bottom of the mold cavity 2, four fixed support columns 3 are provided, and four fixed support columns 3 are uniformly distributed in a rectangular shape at four corners of the top of the lower mold base 1.

Specifically, guide hole 6 has been seted up at the top middle part of fixed support plate 4, and the inside sliding connection of guide hole 6 has hydraulic stem 7, and guide hole 6 and the top middle part fixed connection of upper die base 5 are stretched out to the bottom of hydraulic stem 7.

Specifically, fixedly connected with spacing post 10 between the top of die holder 1 and the bottom of fixed support plate 4, spacing post 10 has four, and four spacing posts 10 are rectangle evenly distributed, and 5 top four corners symmetries of upper die base have seted up spacing hole 24, and spacing hole 24 has four, four spacing holes 24 respectively with the outer wall sliding connection of four spacing posts 10.

In this embodiment, through setting up die holder 1, fixed stay post 3, fixed stay board 4, upper die base 5, punching press template 8, spacing post 10 and spacing hole 24, the device is when guaranteeing stamping quality for the device structure is comparatively simple, convenient to use, thereby has reduced the manufacturing cost of mould, is favorable to the using widely of mould.

In summary, the following steps: the utility model can quickly and automatically push the punched workpiece, improves the die pushing efficiency, ensures the punching efficiency of the die, saves the punching time of the workpiece, can buffer the punching template 8, ensures that the pressure behind the workpiece is not increased and keeps the maximum pressure for a period of time after the pressure of the punching template 8 reaches a set value, thereby improving the punching quality of the workpiece, avoiding the damage of the workpiece due to overlarge pressure, and ensures the punching quality while ensuring the device has simpler structure and convenient use, thereby reducing the production and manufacturing cost of the die and being beneficial to the popularization and use of the die.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, and the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a low-cost frivolous plastic slab stamping die, includes die holder (1), its characterized in that: the die comprises a lower die holder (1), a die cavity (2) is formed in the middle of the top end of the lower die holder (1), a stripper plate (11) is connected to the interior of the die cavity (2) in a sliding manner, an ejection sliding chute (13) is formed in the bottom of the die cavity (2), an ejection sliding block (17) is connected to the interior of the ejection sliding chute (13) in a sliding manner, an ejection rod (16) is fixedly connected to the middle of the top end of the ejection sliding block (17), limiting sliding chutes (18) are formed in the middle of the bottoms of the ejection rod (16) and the ejection sliding block (17), limiting shafts (15) are fixedly connected to the middle of the bottom of the ejection sliding chute (13) in a sliding manner, the top ends of the limiting shafts (15) extend into the limiting sliding chutes (18) and are connected with the limiting sliding chutes in a sliding manner, ejection springs (14) are arranged on the outer walls of the limiting shafts (15), and the two ends of the ejection springs (14) are fixedly connected with the bottoms of the ejection sliding chute (13) and the ejection sliding block (17) respectively, the die comprises a lower die holder (1) and is characterized in that a fixed support column (3) is fixedly connected to the top of the lower die holder (1), a fixed support plate (4) is fixedly connected to the top of the fixed support column (3), and an upper die holder (5) is arranged at the bottom of the fixed support plate (4).

2. The stamping die for low-cost light and thin plastic plates as claimed in claim 1, wherein: buffer slot (12) have been seted up at the bottom middle part of upper die base (5), the inside sliding connection of buffer slot (12) has stamping template (8), buffer slot (12) are stretched out to the bottom of stamping template (8), top middle part fixedly connected with buffer gear (9) of buffer slot (12).

3. The stamping die for low-cost light and thin plastic plates as claimed in claim 2, wherein: buffer gear (9) have four, four the bottom middle part of buffer gear (9) is equipped with buffering slide bar (21), buffering slide bar (21) are the even symmetric distribution of rectangle.

4. The stamping die for low-cost light and thin plastic plates as claimed in claim 2, wherein: buffering spout (19) have been seted up to buffer gear (9) inside, the inside sliding connection of buffering spout (19) has buffering slider (20), the bottom middle part fixedly connected with buffering slide bar (21) of buffering slider (20), the bottom of buffering slide bar (21) stretch out buffering spout (19) and with the top fixed connection of punching press template (8).

5. The stamping die for low-cost light and thin plastic plates as claimed in claim 4, wherein: the top fixedly connected with electro-magnet (22) of buffering spout (19), buffering slider (20) are made by magnetic material, the outer wall one end that buffering slider (20) are close to electro-magnet (22) is the same with electro-magnet (22) magnetism, fixedly connected with buffer spring (23) between electro-magnet (22) and buffering slider (20).

6. The stamping die for low-cost light and thin plastic plates as claimed in claim 1, wherein: the four ejection chutes (13) are uniformly and symmetrically distributed at four corners of the bottom of the die cavity (2) in a rectangular manner, the four fixed supporting columns (3) are uniformly distributed at four corners of the top of the lower die base (1) in a rectangular manner, and the four fixed supporting columns (3) are uniformly distributed at four corners of the top of the lower die base (1) in a rectangular manner.

7. The stamping die for low-cost light and thin plastic plates as claimed in claim 1, wherein: the die is characterized in that a guide hole (6) is formed in the middle of the top end of the fixed supporting plate (4), a hydraulic rod (7) is connected to the inside of the guide hole (6) in a sliding mode, and the bottom end of the hydraulic rod (7) extends out of the guide hole (6) and is fixedly connected with the middle of the top end of the upper die base (5).

8. The stamping die for low-cost light and thin plastic plates as claimed in claim 1, wherein: spacing post of fixedly connected with (10) between the top of die holder (1) and the bottom of fixed support board (4), spacing post (10) have four, four spacing post (10) are rectangle evenly distributed, spacing hole (24) have been seted up to upper die base (5) top four corners symmetry, spacing hole (24) have four, four spacing hole (24) respectively with the outer wall sliding connection of four spacing posts (10).