Cup bottom heating structure

Abstract

The utility model discloses a cup bottom heating structure which comprises a ventilation pipe and a hot blowing head, a first connecting circular plate is fixed to the top of the ventilation pipe, a hot air cover is fixed to the bottom of the first connecting circular plate, a first limiting ring is fixed to the middle of the top end of the first connecting circular plate, and a second connecting circular plate is fixed to the bottom of the hot blowing head. A second limiting ring sleeved with the first limiting ring is fixed to the bottom of the second connecting circular plate, a bolt penetrates through the top of the second connecting circular plate, the bolt sequentially penetrates through the second connecting circular plate and the second limiting ring and then is in threaded connection with the first limiting ring, and an air outlet hole is formed in the edge of the top of the hot blowing head. A top piece is fixed to the top end of the hot blowing head, a conical air distribution block is arranged at the bottom of the top piece, meanwhile, through the conical air distribution block at the bottom of the top piece, hot air passing through the hot blowing head is evenly distributed to each air outlet hole and blown out of the air outlet holes, and therefore the cup bottom is evenly heated.

Description

Technical Field

[0001] This utility model relates to the field of servo paper cup machine bottom heating, and in particular to a bottom heating structure. Background Technology

[0002] A paper cup machine produces paper containers by mechanically processing and bonding base paper (white cardboard) made from chemical wood pulp. These containers are cup-shaped and suitable for holding frozen foods and hot drinks. The bottom of the cup needs to be heated before pressing it together. During use, although the hot air head has multiple air outlets, the hot air reaching the top and exiting through these outlets creates turbulence, resulting in uneven airflow and uneven heating of the cup bottom. Utility Model Content

[0003] In order to overcome the shortcomings of the existing technology, this utility model provides a cup bottom heating structure, which can solve the following technical problems: During use, although multiple air outlets are opened on the hot air head, the hot air will cause wind turbulence after reaching the top and being discharged from the air outlets, resulting in uneven blowing and uneven heating of the cup bottom.

[0004] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a cup bottom heating structure, including a ventilation pipe and a hot air blower. A first connecting circular plate is fixed to the top of the ventilation pipe, a hot air hood is fixed to the bottom of the first connecting circular plate, a first limiting ring is fixed to the middle of the top of the first connecting circular plate, a second connecting circular plate is fixed to the bottom of the hot air blower, a second limiting ring is fixed to the bottom of the second connecting circular plate and fits with the first limiting ring, and a bolt passes through the top of the second connecting circular plate. The bolt passes through the second connecting circular plate and the second limiting ring in sequence and is threadedly connected to the first limiting ring. An air outlet is opened at the top edge of the hot air blower, a top plate is fixed to the top of the hot air blower, and a conical air distribution block is provided at the bottom of the top plate.

[0005] As a preferred embodiment of this utility model, a side support plate is provided on the outer side of the middle section of the ventilation pipe, and an adjustment groove is provided on one side of the side support plate.

[0006] As a preferred technical solution of this utility model, the heating structure further includes a fixing plate, a heat insulation plate is fixed on the top of the fixing plate, a hot air gun and a hot air base are respectively fixed at both ends of the top surface of the heat insulation plate, the hot air gun and the hot air base are connected by a horizontal air duct, and a connecting block is provided on the top of the hot air base.

[0007] As a preferred embodiment of this utility model, an adjustable waist-shaped groove is provided in the middle of the heat insulation plate, and a bolt for fixing the fixing plate is inserted in the adjustable waist-shaped groove.

[0008] As a preferred embodiment of this utility model, the bottom of the heat insulation plate is provided with an adjusting spring connected to the hot air seat.

[0009] As a preferred embodiment of this utility model, the connecting block is provided with a ventilation pipe inside, and a rubber ring is provided between the connecting block and the ventilation pipe.

[0010] As a preferred embodiment of this utility model, the top of the hot air hood is provided with a cup bottom heating air box.

[0011] Compared with the prior art, the beneficial effects that this utility model can achieve are:

[0012] 1. By designing a second limiting ring that fits outside the first limiting ring, the sealing performance is good after the ventilation pipe is fixedly connected to the hot air blower, preventing air leakage. At the same time, it is easy to replace the hot air blower. Meanwhile, the conical air distribution block at the bottom of the top plate allows the hot air passing through the hot air blower to be evenly distributed to each air outlet and blown out from the air outlet, thus ensuring that the bottom of the cup is heated evenly.

[0013] 2. By designing a hot air hood at the bottom of the first connecting circular plate, when the cup bottom is placed on the hot air blower, excess hot air will be recovered through the hot air hood and discharged through the cup bottom heating air box. The cup bottom is preheated by the cup bottom heating air box, thereby improving the efficiency of cup bottom heating.

[0014] 3. The ventilation pipe that slides within the connecting block allows the hot air hood to rise and fall, and is fixed by the side support plate, thus fixing the height of the hot air hood. The hot air hood and the bottom heating box of the cup can move up and down, the hot air gun is fixed, the life of the heater is extended, double PE cups are produced, the bottom is less prone to wrinkling, the temperature is more constant and accurate, and the outer film of the cup is less likely to be burned. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the cup bottom heating structure of this utility model;

[0016] Figure 2 This utility model Figure 1 A magnified schematic diagram of the structure at point B in the middle;

[0017] Figure 3 This is a three-dimensional structural diagram of the cup bottom heating structure of this utility model from another angle;

[0018] Figure 4 This is a schematic diagram of the main structure of the cup bottom heating structure of this utility model;

[0019] Figure 5 This utility model Figure 4 A magnified schematic diagram of the structure at point AA in the middle;

[0020] The components include: 1. Fixing plate; 2. Adjustable waist-shaped groove; 3. Heat insulation plate; 4. Hot air gun; 5. Horizontal air duct; 6. Adjusting spring; 7. Hot air seat; 8. Connecting block; 9. Ventilation pipe; 10. Side support plate; 11. Adjusting groove; 12. Hot air hood; 13. Top plate; 14. Air outlet; 15. Hot air head; 16. Cup bottom heating air box; 17. Fixing ring; 18. First connecting circular plate; 19. First limiting ring; 20. Second limiting ring; 21. Second connecting circular plate; 22. Conical air distribution block. Detailed Implementation

[0021] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described in the implementation are all within the protection scope of this utility model without creative effort.

[0022] Example

[0023] Please refer to Figures 1-4 As shown, this utility model provides a cup bottom heating structure, including a fixing plate 1. A fixing ring 17 is provided at one end of the fixing plate 1. The fixing ring 17 is fitted onto the column of the paper cup machine, and the fixing plate 1 can be fixed to the column by bolts. A heat insulation plate 3 is provided on the top surface of the fixing plate 1. Two adjusting slots 2 are provided in the middle of the top surface of the heat insulation plate 3. Bolts pass through the adjusting slots 2 and are threadedly connected to the heat insulation plate 3, thereby fixing the heat insulation plate 3. Simultaneously, the position of the heat insulation plate 3 can be adjusted by adjusting the slots 2. A hot air gun 4 and a hot air base 7 are fixed at both ends of the top surface of the heat insulation plate 3, and the hot air gun 4 and the hot air base 7 are connected by a horizontal air duct 5. An adjusting spring 6 connected to the hot air base 7 passes through the bottom of the heat insulation plate 3. A connecting block 8 is fixed to the top of 7. A ventilation pipe 9 is connected inside the connecting block 8. A rubber ring is set between the ventilation pipe 9 and the connecting block 8 to prevent hot air from leaking out from the gap between the connecting block 8 and the ventilation pipe 9. At the same time, the ventilation pipe 9 can extend and retract inside the connecting block 8, so that the length of the extended ventilation pipe 9 can be adjusted. A side support plate 10 is fitted on the outside of the ventilation pipe 9. An adjustment groove 11 is opened on one side of the side support plate 10. The ventilation pipe 9 is clamped and fixed by bolts passing through the side support plate 10 and the adjustment groove 11, so as to fix the extended ventilation pipe 9. The hot air cover and the bottom heating box of the cup can move up and down, the hot air gun is fixed, the life of the heater is extended, the double PE cup is not easy to wrinkle at the bottom, the temperature is more constant and accurate, and the outer film of the cup is not easy to be burned.

[0024] like Figures 1-4As shown, a first connecting circular plate 18 is fixed to the top surface of the ventilation pipe 9, and a hot air hood 12 is fixed to the bottom surface of the first connecting circular plate 18. The hot air hood 12 has a hollow structure, and a through hole is opened on the top surface of the hot air hood 12. A first limiting ring 19 is provided at the center of the top surface of the first connecting circular plate 18. A second connecting circular plate 21 is fixed to the bottom surface of the hot air head 15, and a second limiting ring 20 is fixed to the edge of the bottom surface of the second connecting circular plate 21. After the hot air head 15 is moved down, the second limiting ring 20 is fitted outside the first limiting ring 19, and a rubber pad is provided between the second limiting ring 20 and the first connecting circular plate 18. In order to facilitate the disassembly of the hot air head 15, the bolt passes through the second connecting circular plate 21 and the second limiting ring 20 and is threadedly connected to the first connecting circular plate 18. Figure 4 As shown, a top plate 13 is fixed on the top surface of the hot air blower 15, and a conical air distribution block 22 is provided on the bottom surface of the top plate 13. The maximum circle of the conical air distribution block 22 is smaller than the inner diameter of the hot air blower 15, and several air outlet holes 14 are opened at the edge of the top surface of the hot air blower 15; a cup bottom heating air box 16 is fixed on the top surface of the hot air cover 12.

[0025] Specific working principle:

[0026] In use, hot air is delivered to the hot air base 7 via the horizontal air duct 5 through the hot air gun 4, and then to the ventilation duct 9 via the hot air base 7. The hot air in the ventilation duct 9 reaches the top plate 13 through the hot air head 15, and is dispersed to each air outlet 14 by the conical air distribution block 22. The uniform air coming out of the air outlet 14 heats the bottom of the cup. Excess hot air enters the interior of the hot air cover 12 and is discharged from the bottom heating air box 16, thus preheating the bottom of the cup and improving the heating efficiency of the bottom of the cup.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A cup bottom heating structure comprising a vent tube (9) and a hot blow head (15), characterized in that: The top of the ventilation pipe (9) is fixed with a first connecting circular plate (18), the bottom of the first connecting circular plate (18) is fixed with a hot air cover (12), the top end of the first connecting circular plate (18) is fixed with a first limiting ring (19), the bottom of the hot blowing head (15) is fixed with a second connecting circular plate (21), the bottom of the second connecting circular plate (21) is fixed with a second limiting ring (20) sleeved with the first limiting ring (19), and the top of the second connecting circular plate (21) is penetrated by a bolt, which is sequentially threaded through the second connecting circular plate (21), the second limiting ring (20) and then is screwed with the first limiting ring (19), the top edge of the hot blowing head (15) is provided with an air outlet (14), the top end of the hot blowing head (15) is fixed with a top sheet (13), and the bottom of the top sheet (13) is provided with a tapered air distribution block (22).

2. The cup bottom heating structure of claim 1, wherein: The outer side of the middle section of the ventilation pipe (9) is provided with a side support plate (10), and the side of the side support plate (10) is provided with an adjusting groove (11).

3. The cup bottom heating structure of claim 1, wherein: The heating structure further comprises a fixed plate (1), the top of the fixed plate (1) is fixed with a heat insulation plate (3), the top surface of the heat insulation plate (3) is respectively fixed with a hot air blower (4) and a hot air seat (7) at both ends, the hot air blower (4) and the hot air seat (7) are connected through a transverse air pipe (5), and the top of the hot air seat (7) is provided with a connecting block (8).

4. The cup bottom heating structure of claim 3, wherein: The middle of the heat insulation plate (3) is provided with an adjusting waist-shaped groove (2), and the adjusting waist-shaped groove (2) is penetrated by a bolt fixed with the fixed plate (1).

5. The cup bottom heating structure of claim 3, wherein: The bottom of the heat insulation plate (3) is provided with an adjusting spring (6) connected with the hot air seat (7).

6. The cup bottom heating structure of claim 3, wherein: The inside of the connecting block (8) is provided with a ventilation pipe (9), and a rubber ring is arranged between the connecting block (8) and the ventilation pipe (9).

7. The cup bottom heating structure of claim 1, wherein: The top of the hot air cover (12) is provided with a cup bottom heating air tank (16).

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