CN219600368U

CN219600368U - Plastic-sucking forming hot blast device

Info

Publication number: CN219600368U
Application number: CN202321130981.2U
Authority: CN
Inventors: 孙国华; 何凤; 杨娟; 聂桃花
Original assignee: Ningbo Jinghao Packaging Co ltd
Current assignee: Ningbo Jinghao Packaging Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-08-29
Anticipated expiration: 2033-05-12

Abstract

The utility model relates to the technical field of plastic suction production, and discloses a plastic suction molding thermal blowing device, which comprises a first sleeve and a second sleeve, wherein the second sleeve is rotatably arranged on the first sleeve, an air inlet is formed in the first sleeve, an electric heating wire and a first fan are arranged in the first sleeve, a first driving motor is arranged on the first sleeve, and an output shaft of the first driving motor is connected with the first fan; the second sleeve is provided with a rack, the first sleeve is provided with a support column, the support column is provided with a second driving motor, the output shaft of the second driving motor is provided with a first gear, and the first gear is meshed with the rack. The utility model has the advantages that the surface of the plastic suction piece is covered by the hot air in a rotary spraying mode, and the hot air is driven to naturally swing by the fan blade, so that the hot air is mixed more uniformly.

Description

Plastic-sucking forming hot blast device

Technical Field

The utility model relates to the technical field of plastic suction production, in particular to a suction molding hot air blowing device.

Background

The technology of the molding equipment mainly utilizes the vacuum suction generated by a vacuum pump to make the heated and softened thermoplastic plastic sheets such as PVC, PET, PETG, APTT, PP, PE, PS and the like pass through a die to be molded into vacuum covers with various shapes or attached to the surfaces of products with various shapes. The plastic suction is classified into a thin sheet plastic suction and a thick sheet plastic suction according to the thickness of the sheet.

The product produced by the plastic suction molding also needs to be subjected to hot air blowing on the surface so as to remove water waves generated on the surface due to the process and the like in the blow molding process.

The existing plastic-sucking forming hot air blowing device adopts a fixed air blowing mode, the air flow direction is fixed, the heat treatment range is fixed, and the whole surface range of a product cannot be sufficiently and uniformly subjected to hot air blowing treatment to remove water waves.

Disclosure of Invention

The utility model provides a plastic sucking and forming hot air blowing device which has the beneficial effects that hot air is uniformly covered on the surface of a plastic sucking part in a rotary spraying mode, and hot air is driven to naturally swing through a fan blade so that hot air is uniformly mixed, and the problems that the conventional plastic sucking and forming hot air blowing device in the background art adopts a fixed blowing mode, the direction of air flow is fixed, the heat treatment range is fixed, and the whole surface range of a product cannot be sufficiently and uniformly subjected to hot air blowing treatment to remove water waves are solved.

The utility model provides the following technical scheme: the plastic-sucking forming hot air blowing device comprises a first sleeve and a second sleeve, wherein the second sleeve is rotatably arranged on the first sleeve, an air inlet is formed in the first sleeve, an electric heating wire and a first fan are arranged in the first sleeve, a first driving motor is arranged on the first sleeve, and an output shaft of the first driving motor is connected with the first fan;

the second sleeve is provided with a rack, the first sleeve is provided with a support column, the support column is provided with a second driving motor, the output shaft of the second driving motor is provided with a first gear, and the first gear is meshed with the rack.

As an alternative to the vacuum forming thermal blowing apparatus of the present utility model, wherein: a supporting rod is fixedly arranged in the second sleeve, and a groove and a spring are arranged in the supporting rod;

the spring is installed in the inside of recess, the one end of spring is connected with the bracing piece, the second fan blade is installed to the other end of spring.

As an alternative to the vacuum forming thermal blowing apparatus of the present utility model, wherein: the second sleeve is arranged in a cone shape, and a tuyere is arranged on the second sleeve.

As an alternative to the vacuum forming thermal blowing apparatus of the present utility model, wherein: the second sleeve is provided with a plurality of guide plates, and the guide plates are annularly arranged on the inner wall of the second sleeve.

As an alternative to the vacuum forming thermal blowing apparatus of the present utility model, wherein: the second sleeve is internally provided with a filter ring, and the filter ring is provided with an adsorption net.

As an alternative to the vacuum forming thermal blowing apparatus of the present utility model, wherein: the anti-backflow ring is arranged at the tuyere opening and is matched with the tuyere opening.

As an alternative to the vacuum forming thermal blowing apparatus of the present utility model, wherein: the first sleeve and the second sleeve are both provided with heat insulation layers, and the tuyere is provided with a heat insulation cover.

As an alternative to the vacuum forming thermal blowing apparatus of the present utility model, wherein: the anti-backflow ring is provided with a bulge, the bulge is arranged to be conical, and a plurality of bulges are arranged.

The utility model has the following beneficial effects:

1. this plastic uptake shaping hot blast device, second sleeve rotate and install on first sleeve, and when second driving motor drove first gear rotation, and then under first gear and rack engagement's the circumstances, and then drive second sleeve and rotate for the hot air is rotatory heat flow jetting and goes out, makes the surface that the hot air can cover the plastic uptake piece more evenly, reduces the production of ripple, and then improves the shaping quality of plastic uptake piece product.

2. This plastic uptake shaping hot blast device blows hot air and gets into the second sleeve at first sleeve and rotate, and hot-blast drive second fan blade carries out natural oscillation, and the second fan blade passes through spring elastic connection on the bracing piece, through the elasticity of spring, natural oscillation carries out the air supply, improves the mixing degree of hot air.

3. This plastic uptake shaping hot blast device, the second sleeve compressed heat air of awl shape blows off through the tuyere, prevents gaseous backward flow, installs the anti-return ring, and installs the arch on the anti-return ring, reduces the hot air backward flow and gets into in the sleeve. The inner walls of the first sleeve and the second sleeve are coated with heat insulation layers, and the heat insulation cover is added to protect the tuyere from high temperature.

Drawings

Fig. 1 is a schematic perspective view of the structure of the present utility model.

Fig. 2 is a schematic cross-sectional view of the structure of the present utility model.

Fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present utility model.

Fig. 4 is a schematic top view of the structure of the present utility model.

Fig. 5 is a schematic rear view of the structure of the present utility model.

In the figure: 1. a first sleeve; 2. a second sleeve; 3. an air inlet; 4. an electric heating wire; 5. a first fan; 6. a first driving motor; 7. a rack; 8. a support column; 9. a second driving motor; 10. a first gear; 11. a support rod; 12. a groove; 13. a spring; 14. a second fan blade; 15. a tuyere; 16. a deflector; 17. a filter ring; 18. an adsorption net; 19. a backflow prevention ring; 20. a thermal insulation cover; 21. a protrusion.

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

In order to improve the exhaust mode that wind direction velocity of flow is all fixed among the prior art for the hot air covers the plastic uptake piece surface more even.

The utility model provides the following technical scheme: referring to fig. 1-4, a plastic-sucking molding hot air blowing device comprises a first sleeve 1 and a second sleeve 2, wherein the second sleeve 2 is rotatably arranged on the first sleeve 1, an air inlet 3 is arranged on the first sleeve 1, an electric heating wire 4 and a first fan 5 are arranged in the first sleeve 1, a first driving motor 6 is arranged on the first sleeve 1, and an output shaft of the first driving motor 6 is connected with the first fan 5;

the second sleeve 2 is provided with a rack 7, the first sleeve 1 is provided with a support column 8, the support column 8 is provided with a second driving motor 9, the output shaft of the second driving motor 9 is provided with a first gear 10, and the first gear 10 is meshed with the rack 7.

The air inlet 3 on the first sleeve 1 is used for introducing outside air, and the air inlet 3 is provided with a plurality of air inlets, so that the air inlet quantity is larger. The electric heating wire 4 in the first sleeve 1 heats external air, the first fan 5 is conveyed by the first driving motor 6 to blow hot air, the second sleeve 2 is rotatably installed on the first sleeve 1, the second driving motor 9 drives the first gear 10 to rotate, and then the first gear 10 is meshed with the rack 7, and then the second sleeve 2 is driven to rotate, so that the hot air is blown out by rotating heat flow, the surface of a plastic sucking piece can be covered by the hot air more uniformly, the generation of water ripple is reduced, and the forming quality of the plastic sucking piece product is improved.

Example 2

This embodiment is a modified illustration based on embodiment 1, and in particular, please refer to fig. 1-4, wherein: a supporting rod 11 is fixedly arranged in the second sleeve 2, and a groove 12 and a spring 13 are arranged in the supporting rod 11;

the spring 13 is installed in the inside of recess 12, and the one end of spring 13 is connected with bracing piece 11, and the second fan blade 14 is installed to the other end of spring 13.

The first sleeve 1 blows hot air into the second sleeve 2 to rotate, the hot air drives the second fan blade 14 to naturally swing, the second fan blade 14 is elastically connected to the supporting rod 11 through the spring 13, and the hot air is blown through the elastic force of the spring 13 to naturally swing, so that the mixing uniformity of the hot air is improved.

Example 3

This embodiment is a modified illustration based on embodiment 1, and in particular, please refer to fig. 1-4, wherein: the second sleeve 2 is arranged in a cone shape, and a tuyere 15 is arranged on the second sleeve 2;

wherein: the opening of the tuyere 15 is provided with a backflow prevention ring 19, and the backflow prevention ring 19 is matched with the opening of the tuyere 15.

Wherein: the anti-backflow ring 19 is provided with a plurality of protrusions 21, the protrusions 21 are conical, and the protrusions 21 are arranged in a plurality.

The second sleeve 2 with the cone shape compresses hot air, the hot air is blown out through the tuyere 15, the air backflow is prevented, the backflow preventing ring 19 is installed, and the bulge 21 is installed on the backflow preventing ring 19, so that water vapor in the air brought in during the backflow of the hot air is reduced.

Example 4

This embodiment is a modified illustration based on embodiment 1, and in particular, please refer to fig. 1-4, wherein: the second sleeve 2 is provided with a plurality of guide plates 16, the guide plates 16 are arranged in a plurality of mode, and the guide plates 16 are annularly arranged on the inner wall of the second sleeve 2.

Wherein: the second sleeve 2 is internally provided with a filter ring 17, and the filter ring 17 is provided with an adsorption net 18.

The air guide plate 16 is used for guiding the human air, the filtering ring 17 is used for filtering impurities in the compressed hot air, the adsorption net 18 is used for adsorbing impurity dust in the air, impurities in the air are reduced to be blown out to the surface of the plastic suction piece, and the molding quality of the product is improved.

Example 5

This embodiment is a modified illustration based on embodiment 1, and in particular, please refer to fig. 1-4, wherein: the first sleeve 1 and the second sleeve 2 are respectively provided with an insulating layer, and the tuyere 15 is provided with an insulating cover 20.

The inner walls of the first sleeve 1 and the second sleeve 2 are coated with heat insulation layers, and the heat insulation cover 20 is added to insulate the tuyere 15, so that the tuyere 15 is prevented from being damaged due to long-term high temperature.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The plastic uptake shaping hot blast device, including first sleeve (1) and second sleeve (2), its characterized in that: the second sleeve (2) is rotatably arranged on the first sleeve (1), an air inlet (3) is formed in the first sleeve (1), an electric heating wire (4) and a first fan (5) are arranged in the first sleeve (1), a first driving motor (6) is arranged on the first sleeve (1), and an output shaft of the first driving motor (6) is connected with the first fan (5);

install rack (7) on second sleeve (2), install support column (8) on first sleeve (1), install second driving motor (9) on support column (8), install first gear (10) on second driving motor (9) output shaft, first gear (10) and rack (7) mesh mutually.

2. The plastic uptake molding hot-air blowing apparatus of claim 1, wherein: a supporting rod (11) is fixedly arranged in the second sleeve (2), and a groove (12) and a spring (13) are arranged in the supporting rod (11);

the spring (13) is arranged in the groove (12), one end of the spring (13) is connected with the supporting rod (11), and the other end of the spring (13) is provided with a second fan blade (14).

3. The plastic uptake molding hot-air blowing apparatus of claim 1, wherein: the second sleeve (2) is arranged in a cone shape, and a tuyere (15) is arranged on the second sleeve (2).

4. The plastic uptake molding hot-air blowing apparatus of claim 1, wherein: the second sleeve (2) is provided with a guide plate (16), the guide plate (16) is provided with a plurality of guide plates, and the guide plates (16) are annularly arranged on the inner wall of the second sleeve (2).

5. The plastic uptake molding hot-air blowing apparatus of claim 1, wherein: a filter ring (17) is arranged in the second sleeve (2), and an adsorption net (18) is arranged on the filter ring (17).

6. A plastic uptake molding hot-air blowing apparatus as defined in claim 3, wherein: the anti-backflow ring (19) is arranged at the opening of the tuyere (15), and the anti-backflow ring (19) is matched with the opening of the tuyere (15).

7. A plastic uptake molding hot-air blowing apparatus as defined in claim 3, wherein: the first sleeve (1) and the second sleeve (2) are both provided with heat insulation layers, and the tuyere (15) is provided with a heat insulation cover (20).

8. The plastic suction forming hot air blowing device according to claim 6, wherein: the anti-backflow ring (19) is provided with a plurality of protrusions (21), the protrusions (21) are arranged in a conical shape, and the protrusions (21) are arranged in a plurality.