High-speed single-head machine heating device

Abstract

The utility model discloses a heating device of a high-speed single-head machine, which relates to the technical field of single-head machines and comprises a heater, an air inlet pipe is arranged at the top of the heater, an air supply pipe is arranged in the heater, the air inlet pipe is communicated with the air supply pipe in the heater, and the other end of the air supply pipe penetrates through the bottom of the heater. An air return pipe is arranged at the bottom of the air supply pipe, and an air guide pipe is arranged in the air return pipe and communicates with the air supply pipe; an air return sleeve is arranged at the bottom of the air return pipe, a heating mold is arranged at the bottom of the air return sleeve, and the other end of the heating mold is detachably connected with a sealing head. According to the high-speed single-head machine heating device provided by the utility model, the second mounting screw holes are formed in the heating mold and are used for mounting heating pipes with different sizes, so that the high-speed single-head machine heating device is adaptive to plastic bottles with different sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of single-head machines, in particular to a heating device for a high-speed single-head machine. Background Technique

[0002] Due to the development of packaging flexible materials, the application of flexible material containers such as composite tubes and aluminum-plastic tubes is becoming more and more extensive. For example, existing medicines, cosmetics, chemical products, etc. have all adopted convenient packaging materials for packaging, and are formed according to needs, with various types and styles. Most of the existing paste outer packaging, such as cosmetic lotions, body washes, hair conditioners, etc., uses PE plastic tubes. The production process is as follows: first, a semi-finished hose is made by a tube drawing machine, then the tube head of the hose is injection-molded by a head machine, and one end of it is sealed to form a container, and then a bottle cap is configured to make a PE plastic tube for packaging.

[0003] Currently, during the processing of different plastic bottles by the head machine, it is necessary to replace the heating tube adapted to the size of different plastic tubes, and the operation steps are cumbersome, which greatly reduces the production rate of the device.

[0004] Therefore, a heating device for a high-speed single-head machine is provided to solve the problem that heating tubes need to be frequently replaced for hoses with different diameters during the production process, and the structure is simple and the heating efficiency is high. Content of the Utility Model

[0005] Therefore, the purpose of the utility model is to provide a heating device for a high-speed single-head machine to solve the problems raised in the above background technique.

[0006] To solve the above technical problems, the utility model provides the following technical solution: a heating device for a high-speed single-head machine, which includes a heater, and is characterized in that: an air inlet pipe is arranged at the top of the heater, and an air delivery pipe is arranged inside the heater. The air inlet pipe is connected to the air delivery pipe inside the heater, and the other end of the air delivery pipe passes through the bottom of the heater; a return air pipe is arranged at the bottom of the air delivery pipe, a guide air pipe is arranged inside the return air pipe, and the guide air pipe is connected to the air delivery pipe; a return air sleeve is arranged at the bottom of the return air pipe, a heating mold is arranged at the bottom of the return air sleeve, and the other end of the heating mold is detachably connected with a sealing head.

[0007] As a preferred scheme of the heating device for a high-speed single-head machine described in the utility model, wherein: the guide air pipe penetrates through the top surface of the return air pipe, and an exhaust pipe is arranged on the side surface of the return air pipe; the bottom of the return air pipe is connected to the return air sleeve, and the diameter of the return air sleeve is larger than that of the return air pipe.

[0008] As a preferred scheme of the heating device for a high-speed single-head machine described in the utility model, wherein: a pressure increasing pipe is arranged at the bottom of the guide air pipe, the pressure increasing pipe is frustum-shaped, the large circle end of the pressure increasing pipe is connected to the guide air pipe, and the small circle end of the pressure increasing pipe is connected to a connecting pipe.

[0009] As a preferred embodiment of the heating device of a high-speed single-head machine described in the present utility model, the following is provided: An air outlet pipe is provided at the bottom of the connecting pipe. A fixing bracket is provided on the inner bottom surface of the air outlet pipe, and a first mounting screw hole is provided at the center of the fixing bracket; The air outlet pipe is located inside the air return sleeve, and the bottom surface of the air outlet pipe is flush with the bottom surface of the air return sleeve.

[0010] As a preferred embodiment of the heating device of a high-speed single-head machine described in the present utility model, the following is provided: A heat insulation pipe is provided on the outer side of the air outlet pipe, and the height of the heat insulation pipe is the same as the height of the air return sleeve.

[0011] As a preferred embodiment of the heating device of a high-speed single-head machine described in the present utility model, the following is provided: A plurality of air return channels are provided at the top edge of the heating mold, and the air return channels are arranged in a circumferential array around the center of the top surface of the heating mold. The diameter of the heating mold is larger than the inner diameter of the air return sleeve; An air inlet head is provided inside the heating mold, and a mounting screw head is provided at the center of the top surface of the air inlet head. The size of the mounting screw head corresponds to the size of the first mounting screw hole.

[0012] As a preferred embodiment of the heating device of a high-speed single-head machine described in the present utility model, the following is provided: A plurality of air inlet channels are provided inside the air inlet head, and the air inlet channels are arranged in a circumferential array around the mounting screw head. The air inlet channels penetrate through the air inlet head, and a second mounting screw hole is provided on the bottom surface of the air inlet head. The position of the second mounting screw hole coincides with the position of the mounting screw head.

[0013] As a preferred embodiment of the heating device of a high-speed single-head machine described in the present utility model, the following is provided: A pipe clamp is provided on the outer side of one end of the air supply pipe, and the top surface of the pipe clamp is fixed to the bottom surface of the heater; A fixing sleeve is provided on the outer side of the other end of the air supply pipe, and the bottom surface of the fixing sleeve is fixed to the top surface of the air return pipe.

[0014] As a preferred embodiment of the heating device of a high-speed single-head machine described in the present utility model, the following is provided: A fixing ring is provided at the bottom of the side surface of the air return pipe, and the bottom surface of the fixing ring is fixed to the top surface of the air return sleeve; A connecting frame is provided on the side surface of the air return pipe, and the connecting frame is fixed above the fixing ring.

[0015] Advantages of the present utility model:

[0016] 1. The present utility model provides a heating device for a high-speed single-head machine. By providing a second mounting screw hole on the heating mold for installing heating pipes of different sizes, it can be adapted to plastic bottles of different sizes.

[0017] 1. The present utility model provides a heating device for a high-speed single-head machine. By providing a pressure-increasing pipe to increase the flow rate of the gas and add kinetic energy to the gas, it is convenient to provide an upward reaction force for the gas that has completed heat transfer.

[0018] 3. The present utility model provides a heating device for a high-speed single-head machine. By providing a pressure-increasing pipe, sufficient space is formed between the air return sleeve and the air outlet pipe to facilitate the gas reflux. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other accompanying drawings can be obtained based on these drawings. Among them:

[0020] Figure 1 is a schematic diagram of the overall structure of a heating device for a high-speed single-head machine according to the present utility model;

[0021] Figure 2 is a schematic diagram of the overall structure of the air return sleeve of a heating device for a high-speed single-head machine according to the present utility model;

[0022] Figure 3 is a schematic diagram of the overall structure of the air return pipe of a heating device for a high-speed single-head machine according to the present utility model;

[0023] Figure 4 is a schematic diagram of the structure of the air inlet pipe of a heating device for a high-speed single-head machine according to the present utility model;

[0024] Figure 5 is a schematic diagram of the internal structure of the air return pipe of a heating device for a high-speed single-head machine according to the present utility model;

[0025] Figure 6 is a rear view of the heating mold of a heating device for a high-speed single-head machine according to the present utility model;

[0026] Figure 7 is a front view of the heating mold of a heating device for a high-speed single-head machine according to the present utility model;

[0027] Figure 8 is a schematic diagram of the partial structure of the heating mold of a heating device for a high-speed single-head machine according to the present utility model.

[0028] Description of the reference numerals:

[0029] 1. Heater; 11. Air inlet pipe; 12. Clamp pipe; 13. Air supply pipe; 14. Fixed sleeve; 2. Air return pipe; 21. Exhaust pipe; 22. Guide pipe; 23. Pressure-increasing pipe; 24. Connecting pipe; 25. Air outlet pipe; 26. Fixed frame; 27. First installation screw hole; 3. Connecting frame; 31. Fixed ring; 32. Heat insulation pipe; 4. Air return sleeve; 5. Heating mold; 51. Air inlet head; 52. Air inlet channel; 53. Installation screw head; 54. Second installation screw hole; 55. Air return channel; 6. Sealing head. Specific Embodiments

[0030] To make the above objects, features, and advantages of the present utility model more obvious and understandable, the specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings of the specification.

[0031] Referring to Figure 1-7 , a heating device for a high-speed single-head machine provided by the present utility model. Such a heating device for a high-speed single-head machine includes a heater 1. An air inlet pipe 11 is provided at the top of the heater 1. An air delivery pipe 13 is provided inside the heater 1. The air inlet pipe 11 and the air delivery pipe 13 are connected inside the heater 1. The other end of the air delivery pipe 13 passes through the bottom of the heater 1. A return air pipe 2 is provided at the bottom of the air delivery pipe 13. A guide air pipe 22 is provided inside the return air pipe 2. The guide air pipe 22 is connected to the air delivery pipe 13. A return air sleeve 4 is provided at the bottom of the return air pipe 2. A heating mold 5 is provided at the bottom of the return air sleeve 4. The other end of the heating mold 5 is detachably connected to a sealing head 6.

[0032] Specifically, an air delivery pipe 13 is provided inside the heater 1. The air inlet pipe 11 and the air delivery pipe 13 are connected inside the heater 1. The other end of the air delivery pipe 13 passes through the bottom of the heater 1. External air enters the inside of the heater 1 through the air inlet pipe 11 for heating and is blown out through the air delivery pipe 13. A return air pipe 2 is provided at the bottom of the air delivery pipe 13. A guide air pipe 22 is provided inside the return air pipe 2. The guide air pipe 22 is connected to the air delivery pipe 13. A sandwich layer is formed between the return air pipe 2 and the guide air pipe 22. The heated gas is blown downward through the guide air pipe 22 to heat the material. The gas is continuously blown downward through the air delivery pipe 13 to continuously heat the material. The gas at the bottom will move towards the sandwich layer between the return air pipe 2 and the guide air pipe 22. A return air sleeve 4 is provided at the bottom of the return air pipe 2. A heating mold 5 is provided at the bottom of the return air sleeve 4. The heating mold 5 separates the paths of the inlet air and the return air. The other end of the heating mold 5 is detachably connected to a sealing head 6. The outlet end of the heating mold 5 is blocked by the sealing head 6 to prevent dust from entering when not in operation.

[0033] The guide air pipe 22 penetrates through the top surface of the return air pipe 2. An exhaust pipe 21 is provided on the side surface of the return air pipe 2. The bottom of the return air pipe 2 is connected to the return air sleeve 4. The diameter of the return air sleeve 4 is larger than the diameter of the return air pipe 2.

[0034] Specifically, the return air sleeve 4 increases the volume of the reflux gas. The gas refluxes into the sandwich layer between the return air pipe 2 and the guide air pipe 22 and is discharged outward through the exhaust pipe 21.

[0035] A pressure increasing pipe 23 is provided at the bottom of the guide air pipe 22. The pressure increasing pipe 23 is frustum-shaped. The large circle end of the pressure increasing pipe 23 is connected to the guide air pipe 22. The small circle end of the pressure increasing pipe 23 is connected to a connecting pipe 24.

[0036] Specifically, gas passes through both ends of the pressurizing pipe 23, increasing the flow rate of the gas in the connecting pipe 24, thereby increasing the kinetic energy of the gas. When the gas flows out from the bottom of the heating mold 5, it has a greater impact on the material and spreads faster, enhancing the heating effect.

[0037] An air outlet pipe 25 is provided at the bottom of the connecting pipe 24. A fixing frame 26 is provided on the inner bottom surface of the air outlet pipe 25, and a first mounting screw hole 27 is provided at the center of the fixing frame 26; the air outlet pipe 25 is located inside the air return sleeve 4, and the bottom surface of the air outlet pipe 25 is flush with the bottom surface of the air return sleeve 4.

[0038] Specifically, a plurality of notches are provided on the fixing frame 26, and the notches are distributed in a circular array around the first mounting screw hole 27. The gas is discharged outward through the plurality of notches of the fixing frame 26 via the air outlet pipe 25.

[0039] A heat insulation pipe 32 is provided outside the air outlet pipe 25, and the height of the heat insulation pipe 32 is the same as the height of the air return sleeve 4.

[0040] Specifically, the heat insulation pipe 32 blocks the heat of the gas inside the air return sleeve 4, preventing the air outlet pipe 25 from deforming due to simultaneous heating inside and outside, and thus avoiding unnecessary damage to the fixing frame 26.

[0041] A plurality of air return channels 55 are provided at the top edge of the heating mold 5, and the air return channels 55 are distributed in a circular array around the center of the top surface of the heating mold 5; the diameter of the heating mold 5 is larger than the inner diameter of the air return sleeve 4; an air inlet head 51 is provided inside the heating mold 5, and a mounting screw head 53 is provided at the center of the top surface of the air inlet head 51, and the size of the mounting screw head 53 corresponds to the size of the first mounting screw hole 27.

[0042] Specifically, the heating mold 5 is fixed to the air return sleeve 4 through the cooperation of the mounting screw head 53 and the first mounting screw hole 27. Since the diameter of the heating mold 5 is larger than the inner diameter of the air return sleeve 4, the heating mold 5 is fixed on the bottom surface of the air return sleeve 4, and the air return channels 55 are connected to the air return sleeve 4; the gas is discharged through the air inlet head 51.

[0043] A plurality of air inlet channels 52 are provided inside the air inlet head 51, and the air inlet channels 52 are distributed in a circular array around the mounting screw head 53. The air inlet channels 52 penetrate through the air inlet head 51, and a second mounting screw hole 54 is provided on the bottom surface of the air inlet head 51, and the position of the second mounting screw hole 54 coincides with the position of the mounting screw head 53.

[0044] Specifically, the gas is discharged from the inside of the air inlet head 51 through the air inlet channels 52. Different-sized heating pipes can be connected through the second mounting screw hole 54, and it can be connected to the sealing head 6 through screws when not working to prevent dust from entering the air inlet channels 52; the number of air inlet channels 52 is an even number and is twice the number of slots on the fixing frame 26.

[0045] A clamping tube 12 is arranged on the outer side of one end of the air supply pipe 13, and the top surface of the clamping tube 12 is fixed on the bottom surface of the heater 1; a fixing sleeve 14 is arranged on the outer side of the other end of the air supply pipe 13, and the bottom surface of the fixing sleeve 14 is fixed on the top surface of the return air pipe 2.

[0046] Specifically, the air supply pipe 13 is stably connected between the heater 1 and the return air pipe 2 through the clamping tube 12 and the fixing sleeve 14.

[0047] A fixing ring 31 is arranged at the bottom of the side surface of the return air pipe 2, and the bottom surface of the fixing ring 31 is fixed on the top surface of the return air sleeve 4; a connecting frame 3 is arranged on the side surface of the return air pipe 2, and the connecting frame 3 is fixed above the fixing ring 31.

[0048] Specifically, the connection part between the return air pipe 2 and the return air sleeve 4 is strengthened and stabilized through the fixing ring 31; the whole device is fixed on the single-head machine through the connecting frame 3.

[0049] During the use process, the gas enters the heater 1 through the air inlet pipe 11 for heating, and flows into the inside of the guide pipe 22 through the air supply pipe 13. The gas is accelerated through the booster pipe 23 and then discharged outward through the air inlet channel 52; according to different sizes of plastic bottles, different sizes of heating pipes are replaced through the second installation screw hole 54. The gas flows through the heating pipe to heat the material. During the continuous flow and heating process of the gas, the gas that has completed heat transfer flows into the inside of the return air sleeve 4 through the return air channel 55, and then enters the interlayer between the return air pipe 2 and the guide pipe 22, and is discharged outward through the exhaust pipe 21.

[0050] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limitations. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.

Claims

1. A high-speed single-head machine heating device, comprising a heater (1), characterized in that: An air inlet pipe (11) is provided at the top of the heater (1). A gas delivery pipe (13) is provided inside the heater (1). The air inlet pipe (11) is connected to the gas delivery pipe (13) inside the heater (1). The other end of the gas delivery pipe (13) passes through the bottom of the heater (1). A gas return pipe (2) is provided at the bottom of the gas delivery pipe (13). A gas guide pipe (22) is provided inside the gas return pipe (2). The gas guide pipe (22) is connected to the gas delivery pipe (13). A gas return sleeve (4) is provided at the bottom of the gas return pipe (2). A heating mold (5) is provided at the bottom of the gas return sleeve (4). The other end of the heating mold (5) is detachably connected with a sealing head (6).

2. The heating device of a high-speed single-head machine according to claim 1, characterized in that: The gas guide pipe (22) penetrates through the top surface of the gas return pipe (2). An exhaust pipe (21) is provided on the side surface of the gas return pipe (2). The bottom of the gas return pipe (2) is connected to the gas return sleeve (4). The diameter of the gas return sleeve (4) is larger than that of the gas return pipe (2).

3. The heating device of a high-speed single-head machine according to claim 2, characterized in that: A booster pipe (23) is provided at the bottom of the gas guide pipe (22). The booster pipe (23) is frustum-shaped. The large-circle end of the booster pipe (23) is connected to the gas guide pipe (22). The small-circle end of the booster pipe (23) is connected to a connecting pipe (24).

4. A high-speed single-head machine heating device according to claim 3, characterized in that: An air outlet pipe (25) is provided at the bottom of the connecting pipe (24). A fixing frame (26) is provided on the inner bottom surface of the air outlet pipe (25). A first installation screw hole (27) is provided at the center of the fixing frame (26). The air outlet pipe (25) is located inside the gas return sleeve (4). The bottom surface of the air outlet pipe (25) is flush with the bottom surface of the gas return sleeve (4).

5. The heating device of a high-speed single-head machine according to claim 4, wherein: A heat insulation pipe (32) is provided on the outer side of the air outlet pipe (25). The height of the heat insulation pipe (32) is the same as that of the gas return sleeve (4).

6. The heating device of a high-speed single-head machine according to claim 5, characterized in that: A plurality of gas return channels (55) are provided at the top edge of the heating mold (5). The gas return channels (55) are distributed in a circumferential array around the center of the top surface of the heating mold (5). The diameter of the heating mold (5) is larger than the inner diameter of the gas return sleeve (4). An air inlet head (51) is provided inside the heating mold (5). An installation screw head (53) is provided at the center of the top surface of the air inlet head (51). The size of the installation screw head (53) corresponds to the size of the first installation screw hole (27).

7. The heating device of a high-speed single-head machine according to claim 6, wherein: A plurality of air inlet channels (52) are provided inside the air inlet head (51). The air inlet channels (52) are distributed in a circumferential array around the installation screw head (53). The air inlet channels (52) penetrate through the air inlet head (51). A second installation screw hole (54) is provided on the bottom surface of the air inlet head (51). The position of the second installation screw hole (54) coincides with the position of the installation screw head (53).

8. The heating device of a high-speed single-head machine according to claim 1, characterized in that: A pipe clamp (12) is provided on the outer side of one end of the gas delivery pipe (13). The top surface of the pipe clamp (12) is fixed on the bottom surface of the heater (1). A fixing sleeve (14) is provided on the outer side of the other end of the gas delivery pipe (13). The bottom surface of the fixing sleeve (14) is fixed on the top surface of the gas return pipe (2).

9. The heating device of a high-speed single-head machine according to claim 1, characterized in that: A fixing ring (31) is provided at the bottom of the side surface of the gas return pipe (2). The bottom surface of the fixing ring (31) is fixed on the top surface of the gas return sleeve (4). A connecting frame (3) is provided on the side surface of the gas return pipe (2). The connecting frame (3) is fixed above the fixing ring (31).

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