Punching die based on modified plastic blister parts

Abstract

The utility model relates to the technical field of punching molds, and discloses a punching mold based on modified plastic blister parts, including a lower mold, a moving component is arranged in the middle and lower part of the lower mold, a card slot is opened in the middle part of the front, back, left and right of the top of the lower mold, a plurality of blister cavities are opened in the top of the lower mold, and a limiting groove is opened in the middle part of the bottom end of the plurality of blister cavities, and a top block is arranged inside the limiting groove, and the bottom end of the top block is fixedly connected to the top of the moving component. In the utility model, the blade is driven to move downward by the pressing component, and the gasket is cooperated so that the blade will not scratch the surface of the lower mold, and the Velcro hook surface and the Velcro fur surface are separated, and the gasket can be replaced. The blade cooperates with the mold block and the card block so that the blister parts will not shift while cutting, and the moving component drives the top block to move upward, and the blister parts in the blister cavities are synchronously and quickly ejected, thereby improving the production efficiency of the blister parts.

Description

Technical Field

[0001] The utility model relates to the technical field of punching and cutting dies, in particular to a punching and cutting dies based on modified plastic blister parts. Background Art

[0002] With the development of packaging, electronics, automobile, medical and other industries, the performance requirements for plastic products are getting higher and higher, including higher mechanical strength, better heat resistance, better flame retardant properties, longer service life, etc. Therefore, modified plastics have emerged to meet these special needs. For example, by adding antibacterial agents to give plastics antibacterial properties, they are used in the medical and sanitary fields. In order to improve the output and dimensional accuracy of modified plastics, special punching molds are usually used to make them quickly molded.

[0003] However, since the upper mold and the lower mold often punch and cut the modified plastic, it is very easy to cause wear on the opposing surfaces of the two, affecting the punching accuracy and mold life. At the same time, cutting can easily cause the blister to shift, thus affecting the quality requirements of the product after cutting, and the blister is not easy to take out of the blister cavity, affecting production efficiency. Utility Model Content

[0004] In order to make up for the above shortcomings, the utility model provides a punching die based on modified plastic blister parts, aiming to improve the problems in the prior art that the punching surfaces of the upper die and the lower die are easily worn, the blister parts are easily shifted during cutting, and the blister parts are difficult to remove after cutting.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a punching mold based on modified plastic blister parts, comprising a lower mold, a moving component is arranged in the middle and lower part of the lower mold, a card slot is opened in the middle part of the front, back, left and right of the top of the lower mold, a plurality of blister cavities are opened at the top of the lower mold, and a limiting groove is opened in the middle part of the bottom end of the plurality of blister cavities, and a top block is arranged inside the limiting groove, and the bottom end of the top block is fixedly connected to the top of the moving component, and a placement groove 2 is opened at the top of the lower mold at the outer end of the blister cavity, and a Velcro fur surface is fixedly connected to the bottom end of the placement groove 2, and a Velcro hook surface is arranged at the top of the Velcro hook surface, and a gasket is fixedly connected to the top of the Velcro hook surface, and an upper mold is arranged at the top of the lower mold, and the bottom end of the upper mold is fixedly connected to the top of the card slot with a card block, and the bottom end of the upper mold is fixedly connected to the top of the blister cavity with a mold block, and a pressing component is arranged at the top of the upper mold, and a blade is fixedly connected to the periphery of the mold block.

[0006] As a further description of the above technical solution: the pressing assembly includes an extrusion block, a through slot 2 is opened in the middle of the top end of the upper mold, a movable slot is opened at the bottom end of the upper mold, and a plurality of through slots 1 are opened at the top end of the movable slot of the upper mold, the extrusion block is located at the top end of the through slot 2, and the bottom end of the extrusion block is fixedly connected with a connecting rod, the end of the connecting rod passes through the through slot 2 and is fixedly connected with a movable plate at the top end of the movable slot, the top end of the movable plate is fixedly connected with a spring at the bottom end of the through slot 1, and the top ends of several of the springs are fixedly connected with the top ends of the through slots 1 on the same side, the bottom end of the movable plate is fixedly connected with a fixed block at the outer side of the mold block, and four screws are evenly arranged on the outer side of the fixed block.

[0007] As a further description of the above technical solution: the blade is located on the inner side of the fixing block, and the blade and the fixing block are fixedly connected by four screws.

[0008] As a further description of the above technical solution: the moving component includes two electric telescopic rods, a moving groove is opened in the middle part of the lower mold, and the lower mold is provided with sliding grooves in the front, back, left and right of the moving groove. The lower mold is provided with a placement groove 1 on both sides of the left and right sides of the bottom end of the moving groove. The bottom ends of the two electric telescopic rods are respectively fixedly connected to the bottom ends of the placement groove 1 on the same side, and the output ends of the electric telescopic rods are located inside the moving groove and are fixedly connected to a moving plate, and the front, back, left and right middle parts of the moving plate are fixedly connected with sliders, and the four sliders are slidably connected to the slide groove on the same side, and the top of the moving plate is fixedly connected to a connecting shaft at the bottom end of the top block, and the top of the connecting shaft is fixedly connected to the bottom of the top block on the same side.

[0009] As a further description of the above technical solution: the card blocks are all engaged and connected with the card slots on the same side and the card blocks are slightly longer than the card slots.

[0010] As a further description of the above technical solution: the top of the top block is seamlessly fitted with the bottom of the blister cavity.

[0011] As a further description of the above technical solution: the radius of the second through groove is consistent with the radius of the extrusion block.

[0012] As a further description of the above technical solution: the radius of the mold block is slightly smaller than the radius of the blister cavity, and the radius of the blade is slightly larger than the radius of the blister cavity.

[0013] The utility model has the following beneficial effects:

[0014] 1. In the utility model, the bottom of the upper mold does not contact the top of the lower mold to reduce friction between them. By applying pressure to the extrusion block, the blade moves downward, and the gasket is used to prevent the blade from scratching the surface of the lower mold. When the gasket is seriously damaged, the gasket can be replaced by separating the Velcro hook surface and the Velcro fur surface. The blade cooperates with several mold blocks and card blocks to prevent the blade from shifting the blister while cutting, thereby ensuring the quality of cutting. When the blade on a fixed block on the movable block is damaged, the blade can be disassembled and replaced by removing the corresponding screws.

[0015] 2. In the utility model, two electric telescopic rods extend upward at the same time, driving the movable plate to move upward, and at the same time, four sliders slide synchronously in the slide grooves on the same side to keep the balance of the movable plate. The movable plate drives the upper top block to move upward, and the blister parts in the blister cavity are ejected synchronously and quickly, thereby improving the production efficiency of the blister parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of a punching die based on a modified plastic blister piece proposed by the utility model;

[0017] Figure 2 This is an overall cross-sectional view of a punching die based on a modified plastic blister part proposed in the utility model;

[0018] Figure 3 This is a bottom view of the pressing component of the punching die based on the modified plastic blister part proposed by the utility model;

[0019] Figure 4 This is a cross-sectional view of the lower mold of the punching mold based on the modified plastic blister part proposed by the utility model;

[0020] Figure 5 for Figure 4 A is an enlarged view of the middle image.

[0021] Legend:

[0022] 1. Lower mold; 2. Upper mold; 3. Slot; 4. Block; 5. Vacuum cavity; 6. Mold block; 7. Movable slot; 8. Movable plate; 9. Through slot 1; 10. Spring; 11. Fixed block; 12. Screw; 13. Blade; 14. Through slot 2; 15. Extrusion block; 16. Connecting rod; 17. Placement slot 1; 18. Moving slot; 19. Slide; 20. Electric telescopic rod; 21. Moving plate; 22. Slider; 23. Connecting shaft; 24. Limiting slot; 25. Top block; 26. Placement slot 2; 27. Velcro fur surface; 28. Velcro hook surface; 29. ​​Gasket. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Reference Figure 1 , Figure 2 , Figure 4 and Figure 5 The utility model provides an embodiment: a punching mold based on modified plastic blister parts, including a lower mold 1, a moving component is arranged in the middle and lower part of the lower mold 1, a card slot 3 is opened in the middle of the front, back, left and right of the top of the lower mold 1, a plurality of blister cavities 5 are opened at the top of the lower mold 1, and a limiting groove 24 is opened in the middle of the bottom end of the plurality of blister cavities 5, and a top block 25 is arranged inside the limiting groove 24, and the bottom end of the top block 25 is fixedly connected to the top of the moving component, and a placement groove 26 is opened at the top of the lower mold 1 and the outer end of the blister cavity 5, and the bottom end of the placement groove 26 is fixedly connected with a Velcro fur surface 27, and the top of the Velcro fur surface 27 is provided with A Velcro hook surface 28, the top of which is fixedly connected with a gasket 29, an upper mold 2 is arranged at the top of the lower mold 1, a clamping block 4 is fixedly connected at the bottom end of the upper mold 2 and the top of the card slot 3, a mold block 6 is fixedly connected at the bottom end of the upper mold 2 and the top of the blister cavity 5, a pressing component is arranged at the top of the upper mold 2, a blade 13 is fixedly connected at the periphery of the pressing component and the mold block 6, the clamping blocks 4 are clamped and connected with the card slot 3 on the same side and the clamping blocks 4 are slightly longer than the card slot 3, the top of the top block 25 is seamlessly fitted with the bottom of the blister cavity 5, the radius of the mold block 6 is slightly smaller than the radius of the blister cavity 5, and the radius of the blade 13 is slightly larger than the radius of the blister cavity 5.

[0025] The heated modified plastic sheet is placed on the lower mold 1. The upper mold 2 and the lower mold 1 are connected by four card blocks 4 and four card slots 3, and then the mold block 6 is driven downward to be inserted into the blister cavity 5. The modified plastic sheet is attached to the mold surface by vacuum suction, and the desired shape is formed after rapid cooling. The bottom of the upper mold 2 does not contact the top of the lower mold 1 to reduce friction between them. Then, the blade 13 is moved downward by the pressing component, and the gasket 29 is used to prevent the blade 13 from scratching the surface of the lower mold 1. When the gasket 29 is seriously damaged, the magic The hook surface 28 and the Velcro surface 27 are separated, and the gasket 29 can be replaced. The blade 13 cooperates with several mold blocks 6 and the card block 4 so that the blade 13 will not shift the blister while cutting, thereby ensuring the quality of cutting. The upper mold 2 is removed, and the moving assembly drives the upper top block 25 to move upward, and the blister in the blister cavity 5 is synchronously and quickly ejected. After the blister is ejected, the top block 25 moves downward, and the limiting groove 24 limits the top block 25, so that the top of the top block 25 is located at the bottom of the blister cavity 5 and fits seamlessly, thereby improving the production efficiency of blister.

[0026] Reference Figure 2 and Figure 3 The pressing assembly includes an extrusion block 15, a through slot 2 14 is provided in the middle of the top of the upper mold 2, a movable slot 7 is provided at the bottom of the upper mold 2, and a plurality of through slots 1 9 are provided at the top of the movable slot 7 of the upper mold 2. The extrusion block 15 is located at the top of the through slot 2 14, and a connecting rod 16 is fixedly connected to the bottom end of the extrusion block 15. The end of the connecting rod 16 passes through the through slot 2 14 and is fixedly connected to a movable plate 8 at the top of the movable slot 7. The top of the movable plate 8 is fixedly connected to the bottom end of the through slot 1 9 with a spring 10, and the tops of the plurality of springs 10 are fixedly connected to the tops of the through slots 1 9 on the same side. The bottom end of the movable plate 8 is fixedly connected to the outside of the mold block 6 with a fixed block 11, and four screws 12 are evenly arranged on the outside of the fixed block 11. The blade 13 is located on the inner side of the fixed block 11, and the blade 13 and the fixed block 11 are fixedly connected by four screws 12. The radius of the through slot 2 14 is consistent with the radius of the extrusion block 15.

[0027] By applying pressure to the squeezing block 15, the blade 13 moves downward to complete the cutting. When the blade 13 on a fixed block 11 on the movable plate 8 is damaged, the blade 13 can be disassembled and replaced by removing the corresponding screw 12. When the cutting is completed, several springs 10 drive the blade 13 and the squeezing block 15 to reset.

[0028] Reference Figure 2 and Figure 4The moving component includes two electric telescopic rods 20, a moving groove 18 is opened in the middle of the lower mold 1, and slide grooves 19 are opened in the front, back, left and right of the moving groove 18. The lower mold 1 is provided with placement grooves 17 on both sides of the left and right sides of the bottom end of the moving groove 18. The bottom ends of the two electric telescopic rods 20 are respectively fixedly connected to the bottom ends of the placement grooves 17 on the same side. The output ends of the electric telescopic rods 20 are located inside the moving groove 18 and are fixedly connected to a moving plate 21. The middle parts of the front, back, left and right of the moving plate 21 are fixedly connected with sliders 22. The four sliders 22 are slidably connected to the slide grooves 19 on the same side. The top of the moving plate 21 is fixedly connected to the bottom end of the top block 25 with a connecting shaft 23, and the top of the connecting shaft 23 is fixedly connected to the bottom of the top block 25 on the same side.

[0029] The two electric telescopic rods 20 extend upward at the same time, driving the moving plate 21 to move upward, and at the same time, the four sliders 22 slide synchronously in the slide groove 19 on the same side to keep the balance of the moving plate 21. The moving plate 21 drives the upper top block 25 to move upward, and the blister parts in the blister cavity 5 are synchronously and quickly ejected. Then the electric telescopic rods 20 shrink, driving the top block 25 to move downward, and the limiting groove 24 limits the top block 25, so that the top of the top block 25 is located at the bottom of the blister cavity 5 and fits seamlessly, thereby improving the production efficiency of blister parts.

[0030] Working principle: Place the heated modified plastic sheet on the lower mold 1, align and connect the upper mold 2 and the lower mold 1 through four card blocks 4 and four card slots 3, and then drive the mold block 6 to insert downward into the blister cavity 5, use vacuum suction to make the modified plastic sheet fit the mold surface, and form the required shape after rapid cooling, and then apply pressure to the extrusion block 15 to move the blade 13 downward, cooperate with the gasket 29 to prevent the blade 13 from scratching the surface of the lower mold 1. When the gasket 29 is seriously damaged, the gasket 29 can be replaced by separating the Velcro hook surface 28 and the Velcro fur surface 27. The blade 13 cooperates with several mold blocks 6 and card blocks 4 to prevent the blade 13 from scratching the blister while cutting. When the blade 13 on a fixed block 11 on the movable plate 8 is damaged, the blade 13 can be replaced by removing the corresponding screw 12. After cutting, the blade 13 is reset by a plurality of springs 10, and the upper mold 2 is removed. The two electric telescopic rods 20 extend upward at the same time, driving the movable plate 21 to move upward. At the same time, the four sliders 22 slide synchronously in the slide groove 19 on the same side. The movable plate 21 drives the upper top block 25 to move upward, and the blister parts in the blister cavity 5 are ejected synchronously and quickly. Then the electric telescopic rod 20 contracts, driving the top block 25 to move downward, and the limiting groove 24 limits the top block 25, so that the top of the top block 25 is located at the bottom of the blister cavity 5 and fits seamlessly.

[0031] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A punching die based on modified plastic blister, comprising a lower die (1), characterized in that: A moving assembly is arranged at the middle and lower part of the lower mold (1); a card slot (3) is provided at the middle of the front, back, left and right sides of the top of the lower mold (1); a plurality of blister cavities (5) are arranged at the top of the lower mold (1); a limiting groove (24) is provided at the middle of the bottom of the plurality of blister cavities (5); a top block (25) is arranged inside the limiting groove (24); the bottom end of the top block (25) is fixedly connected to the top of the moving assembly; a second placement groove (26) is provided at the top of the lower mold (1) and at the outer end of the blister cavity (5); the bottom end of the second placement groove (26) is fixedly connected to A Velcro fleece surface (27), a Velcro hook surface (28) is arranged at the top of the Velcro fleece surface (27), a gasket (29) is fixedly connected to the top of the Velcro hook surface (28), an upper mold (2) is arranged at the top of the lower mold (1), a clamping block (4) is fixedly connected to the bottom of the upper mold (2) and the top of the clamping slot (3), a mold block (6) is fixedly connected to the bottom of the upper mold (2) and the top of the blister cavity (5), a pressing assembly is arranged at the top of the upper mold (2), and a blade (13) is fixedly connected to the periphery of the mold block (6).

2. The punching die based on modified plastic blister according to claim 1, characterized in that: The pressing assembly comprises an extrusion block (15), a through groove (14) is provided at the middle of the top end of the upper mold (2), a movable groove (7) is provided at the bottom end of the upper mold (2), a plurality of through grooves (9) are provided at the top end of the movable groove (7) of the upper mold (2), the extrusion block (15) is located at the top end of the through groove (14), the bottom end of the extrusion block (15) is fixedly connected to a connecting rod (16), the end of the connecting rod (16) passes through the through groove (14), and the connecting rod (16) is fixedly connected to the bottom end of the extrusion block (15). (14) A movable plate (8) is fixedly connected to the top of the movable groove (7), the top of the movable plate (8) is fixedly connected to the bottom of the through groove (9) with a spring (10), the tops of several springs (10) are fixedly connected to the tops of the through grooves (9) on the same side, the bottom of the movable plate (8) is fixedly connected to the outer side of the mold block (6) with a fixed block (11), and four screws (12) are evenly spaced on the outer side of the fixed block (11).

3. The punching die based on modified plastic blister according to claim 1, characterized in that: The blade (13) is located on the inner side of the fixing block (11), and the blade (13) and the fixing block (11) are fixedly connected by four screws (12).

4. The punching die based on modified plastic blister according to claim 1, characterized in that: The moving assembly comprises two electric telescopic rods (20), a moving groove (18) is provided in the middle of the lower mold (1), and sliding grooves (19) are provided in the front, rear, left and right sides of the moving groove (18). The lower mold (1) is provided with a placement groove (17) on both sides of the bottom end of the moving groove (18). The bottom ends of the two electric telescopic rods (20) are respectively fixedly connected to the bottom ends of the placement grooves (17) on the same side. The output ends of the electric telescopic rods (20) are located inside the moving groove (18) and are fixedly connected to a moving plate (21). The middle parts of the front, rear, left and right sides of the moving plate (21) are fixedly connected to sliding blocks (22). The four sliding blocks (22) are slidably connected to the sliding grooves (19) on the same side. The top end of the moving plate (21) is fixedly connected to a connecting shaft (23) at the bottom end of the top block (25), and the top of the connecting shaft (23) is fixedly connected to the bottom of the top block (25) on the same side.

5. The punching die based on modified plastic blister according to claim 1, characterized in that: The card blocks (4) are all connected in a card-engaging manner with the card slots (3) on the same side, and the card blocks (4) are longer than the card slots (3).

6. The punching die based on modified plastic blister according to claim 1, characterized in that: The top of the top block (25) is seamlessly fitted with the bottom of the blister cavity (5).

7. The punching die based on modified plastic blister according to claim 2, characterized in that: The radius of the second through groove (14) is consistent with the radius of the extrusion block (15).

8. The punching die based on modified plastic blister according to claim 1, characterized in that: The radius of the mold block (6) is smaller than the radius of the blister cavity (5), and the radius of the blade (13) is larger than the radius of the blister cavity (5).

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