CN219667445U - Plastic uptake fashioned die assembly - Google Patents

Abstract

The utility model belongs to the technical field of thermoforming, in particular to a die assembly for plastic suction forming, which comprises a bottom plate; the bottom plate is fixedly provided with a support frame, the support frame is fixedly provided with a lower die, the upper edge of the bottom plate is symmetrically and fixedly provided with a support slide bar, the outer part of the support slide bar is slidably provided with an upper die, one end of the inner part of the upper die is symmetrically and fixedly provided with purging equipment at equal intervals, and one end of the inner part of the upper die is symmetrically and fixedly provided with an electric push rod at equal intervals; when the plastic coiled material is placed on the lower die, the upper die is driven by the external device to move up and down, and the electric push rod stretches out and draws back when the plastic coiled material to be processed is matched with the lower die to perform forming work, and the baffle is driven by the first push plate to move towards two sides of the die, so that the purging equipment can purge the plastic coiled material below, dust impurities possibly existing on the surface of the plastic coiled material are purged, and the dust impurities possibly existing on the surface of the plastic coiled material are prevented from affecting the appearance and quality of subsequent products.

Description

Plastic uptake fashioned die assembly

Technical Field

The utility model relates to the technical field of thermoforming, in particular to a die assembly for plastic suction forming.

Background

A vacuum forming machine is generally called a thermoplastic forming machine, and is mainly applied to a device for forming thermoplastic plastic materials by sucking the thermoplastic plastic materials through vacuum suction generated by a vacuum pump in the plastic packaging industry.

When the plastic coiled material is subjected to the plastic sucking molding process, the sheet is generally heated by a heating device, and then the plastic coiled material is subjected to the vacuum plastic sucking process by a vacuum system.

Generally, when plastic coiled materials are subjected to plastic sucking processing, the upper die is driven by an external device to perform lifting motion, and is matched with the lower die to perform forming work on the plastic coiled materials to be processed, so that dust is deposited on the surfaces of the plastic coiled materials again or when impurities are removed, the appearance and quality of subsequent products can be affected.

Disclosure of Invention

In order to overcome the defects in the prior art and solve at least one technical problem mentioned in the background art, the utility model provides a die assembly for plastic suction molding.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a die assembly for plastic suction molding, which comprises a bottom plate; the support frame is fixedly arranged on the bottom plate, the lower die is fixedly arranged on the support frame, the support slide bar is symmetrically and fixedly arranged at the upper edge of the bottom plate, the upper die is slidably arranged outside the support slide bar, purging equipment is fixedly arranged at one end of the inner part of the upper die at equal intervals, an electric push rod is fixedly arranged at one end of the inner part of the upper die at equal intervals, a first push plate is fixedly arranged at the output end of the electric push rod, a baffle is fixedly arranged at one side of the first push plate and is in sliding fit connection with the inner part of the upper die, and one side of the purging equipment is connected with a blowing pipeline; during operation, when plastic coiled material is placed on the bed die, go up the mould and carry out elevating movement under the drive that external setting was at this moment, when carrying out shaping work with the plastic coiled material of bed die cooperation, electric putter carries out telescopic movement, drive baffle upward mould both sides through first push pedal and remove, make the equipment of blowing can blow the plastic coiled material of below, blow away the dust impurity that probably exists on the plastic coiled material surface, prevent the dust impurity that probably exists on the plastic coiled material surface and influence the outward appearance and the quality of follow-up product, accomplish and blow back, electric putter resets the work, drive the baffle through first push pedal and reset and remove.

Preferably, a cutting knife is fixedly arranged at one end of the upper die, a square groove is formed in the lower die, a plurality of groups of first springs are slidably arranged in the square groove, and a second push plate is elastically arranged in the square groove through the first springs; when the upper die is driven by the external device to move up and down, the cutting knife arranged outside the upper die can cut off redundant corner materials at the edge of a product subjected to plastic suction, when the cutting knife is in contact with the second pushing plate, the second pushing plate can be pressed, the second pushing plate elastically slides in the square groove through the first spring, the purpose of buffering is achieved, after the upper die is reset, the first spring is reset, the second pushing plate is pushed to reset, and the cut corner materials are pushed out of the square groove, so that a user can clean and collect the corner materials conveniently.

Preferably, a heating pipe is arranged in the lower die, two ends of the heating pipe are respectively provided with an air inlet pipe and an air outlet pipe, and the other ends of the air inlet pipe and the air outlet pipe respectively penetrate through the support frame; during operation, when considering when the lower mould temperature is lower, when the plastic coiled material that has certain temperature carries out vacuum adsorption at the lower mould, probably can carry out the short adhesion, can influence the quality and the outward appearance of follow-up product, can be connected with external heat supply pipeline through the intake pipe, with inside the steam input heating pipe, heat the lower mould inside to reduce plastic coiled material and lower mould and take place the adhesion phenomenon.

Preferably, a second spring is sleeved outside the support slide bar, and one end of the second spring is attached to the upper die; during operation, when the upper die is driven by external setting to perform lifting movement, the upper die can slide outside the support slide bar, and then the second spring is pressed, so that the second spring elastically stretches and contracts, and the purpose of buffering is achieved.

Preferably, a limit block is arranged at one end of the support sliding rod far away from the bottom plate in a threaded manner; during operation, can prevent through the stopper that the mould from supporting the slide bar landing, the stopper is with the mode of supporting slide bar threaded connection simultaneously, can remove the stopper from supporting the slide bar to follow-up mould of demolishing.

Preferably, pulleys are respectively arranged in the two ends of the baffle in a rotating way; during operation, through the pulley, can reduce the baffle and directly go up the inside gliding frictional force of mould, improve the life between the two.

A rubber pad is paved at the bottom of the bottom plate; during operation, the friction force between the bottom plate bottom and the working table surface can be improved through the rubber pad, and the stability of the device during operation is improved.

The utility model has the advantages that:

1. when the plastic coiled material is placed on the lower die, the upper die is driven by the external device to move up and down, and the electric push rod stretches out and draws back when the plastic coiled material to be processed is matched with the lower die to perform forming work, and the baffle is driven by the first push plate to move towards two sides of the die, so that the purging equipment can purge the plastic coiled material below, dust impurities possibly existing on the surface of the plastic coiled material are purged, and the dust impurities possibly existing on the surface of the plastic coiled material are prevented from affecting the appearance and quality of subsequent products; the cutting knife can cut off redundant leftovers at the edge of the product after plastic suction is finished, after the upper die is reset, the first spring is reset, the second pushing plate is pushed to reset, and the cut leftovers are pushed out of the square groove, so that the user can clean and collect the leftovers conveniently.

2. The utility model can be connected with an external heat supply pipeline through the air inlet pipe, hot air is input into the heating pipe, and the interior of the lower die is heated, so that the adhesion phenomenon between the plastic coiled material and the lower die is reduced; when the upper die is driven by external arrangement to perform lifting movement, the upper die can slide outside the support slide rod, so that the second spring is pressed, and the second spring elastically stretches and contracts to achieve the purpose of buffering; the upper die can be prevented from sliding off the support slide rod through the limiting block; the friction force of the baffle plate, which directly slides in the upper die, can be reduced through the pulley, and the service life of the baffle plate and the upper die is prolonged; the friction between the bottom of the bottom plate and the working table surface can be improved through the rubber pad, and the stability of the device during working is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic structural view of a die assembly for suction molding according to a first embodiment;

fig. 2 is a schematic view showing the internal structure of a lower die of a die assembly for suction molding according to the first embodiment;

FIG. 3 is a schematic view showing the internal structure of an upper die of a die assembly for suction molding according to the first embodiment;

fig. 4 is a schematic diagram of a rubber pad structure of a molding die assembly for suction molding according to a second embodiment.

In the figure: 1. a bottom plate; 2. a support frame; 3. a lower die; 4. supporting a slide bar; 5. an upper die; 6. a purge device; 7. an electric push rod; 8. a first push plate; 9. a baffle; 10. a cutting knife; 11. a square groove; 12. a first spring; 13. a second push plate; 14. heating pipes; 15. an air inlet pipe; 16. an exhaust pipe; 17. a second spring; 18. a limiting block; 19. a pulley; 20. an air blowing pipeline; 21. and a rubber pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-3, a die assembly for suction molding comprises a base plate 1; the support frame 2 is fixedly arranged on the bottom plate 1, the lower die 3 is fixedly arranged on the support frame 2, the support slide bars 4 are symmetrically and fixedly arranged at the upper edge of the bottom plate 1, the upper die 5 is slidably arranged outside the support slide bars 4, the purging device 6 is symmetrically and fixedly arranged at one end of the interior of the upper die 5 at equal intervals, the electric push rod 7 is symmetrically and fixedly arranged at one end of the interior of the upper die 5 at equal intervals, the first push plate 8 is fixedly arranged at the output end of the electric push rod 7, the baffle 9 is fixedly arranged at one side of the first push plate 8, the baffle 9 is connected with the interior of the upper die 5 in a sliding fit manner, and the blowing pipeline 20 is connected at one side of the purging device 6; during operation, when plastic coiled material is placed on the bed die 3, go up mould 5 and carry out elevating movement under the drive that the external setting was at this moment, when carrying out shaping work with the plastic coiled material of bed die 3 cooperation, electric putter 7 carries out telescopic movement, drive baffle 9 through first push pedal 8 and upwards move to mould 5 both sides, make purge equipment 6 can blow the plastic coiled material of below and work, blow off the dust impurity that probably exists on the plastic coiled material surface, prevent that the dust impurity that probably exists on the plastic coiled material surface from influencing the outward appearance and the quality of follow-up product, accomplish to blow back, electric putter 7 resets the work, drive baffle 9 through first push pedal 8 and reset and remove.

A cutting knife 10 is fixedly arranged at one end of the upper die 5, a square groove 11 is formed in the lower die 3, a plurality of groups of first springs 12 are slidably arranged in the square groove 11, and a second push plate 13 is elastically arranged in the square groove 11 through the first springs 12; when the upper die 5 is driven by the external device to move up and down, the cutting knife 10 arranged outside the upper die can cut off redundant leftovers at the edge of a product subjected to plastic suction, and when the cutting knife 10 is in contact with the second push plate 13, the second push plate 13 is pressed, so that the second push plate 13 elastically slides in the square groove 11 through the first spring 12 to achieve the purpose of buffering, and after the upper die 5 is reset, the first spring 12 is reset to push the second push plate 13 to reset, and cut leftovers are pushed out of the square groove 11, so that a user can clean and collect the leftovers conveniently.

A heating pipe 14 is arranged in the lower die 3, two ends of the heating pipe 14 are respectively provided with an air inlet pipe 15 and an air outlet pipe 16, and the other ends of the air inlet pipe 15 and the air outlet pipe 16 respectively penetrate through the support frame 2; during operation, considering when the lower mould 3 temperature is lower, when the plastic coiled material that has certain temperature carries out vacuum adsorption at the lower mould 3, probably can carry out the short adhesion, can influence the quality and the outward appearance of follow-up product, can be connected with external heat supply pipeline through intake pipe 15, with inside hot gas input heating pipe 14, heat the inside of lower mould 3 to reduce plastic coiled material and lower mould 3 and take place the adhesion phenomenon.

A second spring 17 is sleeved outside the support slide bar 4, and one end of the second spring 17 is attached to the upper die 5; when the die is in operation, the upper die 5 is driven by the external device to move up and down, and can slide outside the support slide bar 4, so as to further press the second spring 17, so that the second spring 17 stretches elastically, and the purpose of buffering is achieved.

A limiting block 18 is arranged at one end of the supporting sliding rod 4 far away from the bottom plate 1 in a threaded manner; during operation, the upper die 5 can be prevented from sliding off the support slide bar 4 through the limiting block 18, and meanwhile, the limiting block 18 can be detached from the support slide bar 4 in a threaded connection mode of the limiting block 18 and the support slide bar 4, so that the upper die 5 can be detached later.

Pulleys 19 are respectively arranged inside the two ends of the baffle 9 in a rotating way; during operation, through the pulley 19, the friction force of the baffle plate 9, which directly slides in the upper die 5, can be reduced, and the service life between the two can be prolonged.

Example two

Referring to fig. 4, in a first comparative example, as another embodiment of the present utility model, a rubber pad 21 is laid on the bottom of the bottom plate 1; during operation, the friction between the bottom of the bottom plate 1 and the working table surface can be improved through the rubber pad 21, and the stability of the device during operation is improved.

The working principle comprises a bottom plate 1; the support frame 2 is fixedly arranged on the bottom plate 1, the lower die 3 is fixedly arranged on the support frame 2, the support slide bars 4 are symmetrically and fixedly arranged at the upper edge of the bottom plate 1, the upper die 5 is slidably arranged outside the support slide bars 4, the purging device 6 is symmetrically and fixedly arranged at one end of the interior of the upper die 5 at equal intervals, the electric push rod 7 is symmetrically and fixedly arranged at one end of the interior of the upper die 5 at equal intervals, the first push plate 8 is fixedly arranged at the output end of the electric push rod 7, the baffle 9 is fixedly arranged at one side of the first push plate 8, the baffle 9 is connected with the interior of the upper die 5 in a sliding fit manner, and the blowing pipeline 20 is connected at one side of the purging device 6; when the plastic coiled material is placed on the lower die 3 in operation, at the moment, the upper die 5 is driven by external setting to perform lifting motion, when the plastic coiled material to be processed is matched with the lower die 3 to perform forming operation, the electric push rod 7 performs telescopic motion, the baffle plate 9 is driven to move towards two sides of the upper die 5 through the first push plate 8, so that the purging equipment 6 can purge the plastic coiled material below, dust impurities possibly existing on the surface of the plastic coiled material are purged, the dust impurities possibly existing on the surface of the plastic coiled material are prevented from affecting the appearance and quality of subsequent products, after purging is completed, the electric push rod 7 performs resetting operation, and the baffle plate 9 is driven to perform resetting movement through the first push plate 8; when the upper die 5 is driven by external arrangement to perform lifting movement, the cutting knife 10 arranged outside the upper die can cut off redundant corner materials at the edge of a product subjected to plastic suction, when the cutting knife 10 is in contact with the second push plate 13, the second push plate 13 is pressed, so that the second push plate 13 elastically slides in the square groove 11 through the first spring 12, the purpose of buffering is achieved, and when the upper die 5 is reset, the first spring 12 is reset to push the second push plate 13 to reset, and cut off corner materials are pushed out of the square groove 11, so that a user can clean and collect the corner materials later; considering that when the temperature of the lower die 3 is lower, the plastic coiled material with a certain temperature may be adhered temporarily when the lower die 3 is subjected to vacuum adsorption, the quality and appearance of subsequent products may be affected, the plastic coiled material can be connected with an external heat supply pipeline through the air inlet pipe 15, hot air is input into the heating pipe 14, and the interior of the lower die 3 is heated, so that the adhesion phenomenon between the plastic coiled material and the lower die 3 is reduced; when the upper die 5 is driven by external arrangement to perform lifting movement, the upper die slides outside the support slide bar 4, and then the second spring 17 is pressed, so that the second spring 17 elastically stretches and contracts, and the purpose of buffering is achieved; the upper die 5 can be prevented from sliding off the support slide bar 4 by the limiting block 18, and meanwhile, the limiting block 18 can be detached from the support slide bar 4 in a mode that the limiting block 18 is in threaded connection with the support slide bar 4, so that the upper die 5 can be detached later; the pulley 19 can reduce the friction force of the baffle plate 9 sliding in the upper die 5 directly, and the service life between the baffle plate and the upper die is prolonged; the friction force between the bottom of the bottom plate 1 and the working table surface can be improved through the rubber pad 21, and the stability of the device during working is improved.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. A die assembly for plastic suction molding is characterized in that: comprises a bottom plate (1); support frame (2) has set firmly on bottom plate (1), lower mould (3) have set firmly on support frame (2), bottom plate (1) upper edge department symmetry has set firmly support slide bar (4), support slide bar (4) outside slip and have set firmly mould (5), go up inside one end equidistance symmetry of mould (5) and set firmly purge equipment (6), go up inside one end equidistance symmetry of mould (5) and set firmly electric push rod (7), electric push rod (7) output has set firmly first push pedal (8), first push pedal (8) one side has set firmly baffle (9), just baffle (9) with go up the inside sliding fit connection of mould (5), purge equipment (6) one side is connected with blow pipeline (20).

2. A die assembly for suction forming as defined in claim 1, wherein: the cutting knife (10) has been set firmly to last mould (5) one end, square groove (11) have been seted up to bed die (3) inside, just square groove (11) inside slip is equipped with multiunit first spring (12), just square groove (11) inside is equipped with second push pedal (13) through first spring (12) elasticity.

3. A die assembly for suction forming according to claim 2, wherein: the lower die (3) is internally provided with a heating pipe (14), two ends of the heating pipe (14) are respectively provided with an air inlet pipe (15) and an air outlet pipe (16), and the other ends of the air inlet pipe (15) and the air outlet pipe (16) respectively penetrate through the support frame (2).

4. A die assembly for suction forming according to claim 3, wherein: the second spring (17) is sleeved outside the support sliding rod (4), and one end of the second spring (17) is attached to the upper die (5).

5. A blister molding die assembly as defined in claim 4, wherein: one end of the supporting sliding rod (4) far away from the bottom plate (1) is provided with a limiting block (18) in a threaded manner.

6. A blister molding die assembly as defined in claim 5, wherein: pulleys (19) are respectively arranged inside two ends of the baffle plate (9) in a rotating mode.