Cooling mechanism for raw material belt production

Abstract

The utility model relates to the technical field of raw material belt production, in particular to a cooling mechanism for raw material belt production, which comprises a cooling chamber, operation openings for raw material belts to penetrate through are arranged on the left side and the right side of the cooling chamber, a cooling assembly is arranged on the cooling chamber and comprises a generating box fixedly connected to the bottom of the cooling chamber, and a return pipe is arranged on the right side of the generating box. And an air guide pipe is arranged on the left side of the generation box, a first air outlet pipe and a second air outlet pipe are arranged on the air guide pipe, and the first air outlet pipe and the second air outlet pipe are both located between the front side and the rear side of the inner wall of the cooling chamber. According to the cooling mechanism for raw material belt production, through the continuous cooling process design, the raw material belt is allowed to be continuously cooled and produced at the same time, so that the time delay of waiting for the next batch of production after the cooling of each batch of raw material belt is completed is eliminated, and the production continuity and efficiency are remarkably improved through the design.

Description

Technical Field

[0001] The utility model relates to the technical field of raw tape production, in particular to a cooling mechanism for raw tape production. Background Art

[0002] Raw tape is an indispensable auxiliary sealing material in the installation of liquid pipelines. It is mainly used in pipe joints to enhance sealing. This tape material is heat treated during the production process to improve its physical and chemical properties, so it must be cooled before coiling to ensure its quality and performance. The cooling process of the raw tape is crucial to maintain its dimensional stability and mechanical strength.

[0003] The patent with publication number CN214353656U discloses a cooling device for raw tape production, including a cooling chamber, an air delivery hole is installed on the top of the cooling chamber, a placement rack is installed inside the cooling chamber, cold air cabinets are installed on the outside of both ends of the cooling chamber, base plates are installed on both sides of the cooling chamber, storage grooves are opened inside the base plates, and adjustment plates are installed inside the storage grooves. Adjustment columns are installed on the top of both ends of the adjustment plates, and the other ends of the adjustment columns extend out of the cooling chamber, and a handle is installed at one end of the adjustment column located outside the cooling chamber, and a positioning mechanism is installed between the adjustment column and the cooling chamber, the positioning mechanism includes positioning bolts, positioning holes and a fixing seat, the fixing seat is installed at both ends of the top of the cooling chamber, and the position of the fixing seat corresponds to the position of the adjusting column, the positioning holes are evenly opened along the length direction of one side of the adjusting column, and the positioning bolts are inserted on one side of the fixing seat. The utility model has a simple structure and is easy to operate.

[0004] During the specific use of the above-mentioned prior art, it is necessary to move the adjustment plate upwards, then store the raw tape on the placement rack, and then move the adjustment plate downwards to close the cooling chamber. This cooling method requires repeated opening and closing of the cooling chamber, and it is necessary to wait for the previous batch of raw tapes to cool before cooling the next batch of raw tapes. Repeated opening and closing of the cooling chamber and the waiting process will affect the production efficiency of the raw tape and affect the continuous production of the raw tape. In view of this, we propose a cooling mechanism for the production of raw tapes. Utility Model Content

[0005] The purpose of the utility model is to provide a cooling mechanism for raw tape production to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A cooling mechanism for raw tape production, comprising a cooling chamber, a double-opening door hinged on the front side of the cooling chamber, so that the staff can pass the raw tape through the cooling chamber, operation ports for the raw tape to pass through are opened on both the left and right sides of the cooling chamber, the raw tape enters the cooling chamber from the left operation port, and then exits from the right operation port, a second guide roller is rotatably connected to a position between the front and rear sides of the inner wall of the cooling chamber and close to the left operation port, a third guide roller is rotatably connected to a position between the front and rear sides of the inner wall of the cooling chamber and close to the right operation port, the raw tape passes through the second guide roller and the third guide roller in sequence, and supports the movement of the raw tape;

[0008] The cooling chamber is provided with a cooling component, and the cooling component includes a generating box fixedly connected to the bottom of the cooling chamber, a return pipe is provided on the right side of the generating box, a strip suction hood and an L-shaped suction hood are provided on the return pipe, a first strip hole is provided on the right side of the cooling chamber and close to the top of the operation port, the strip suction hood is communicated with the first strip hole, a second strip hole is provided on the right side of the cooling chamber and close to the bottom of the operation port, the L-shaped suction hood is communicated with the second strip hole, the L-shaped suction hood can avoid hindering the rotation of the fourth guide roller, and the airflow above and below the raw belt is sucked in respectively through the strip suction hood and the L-shaped suction hood, and is introduced into the cooling chamber through the return pipe, thereby reducing the airflow output from the right operation port and avoiding the generation of floating dust in the workshop;

[0009] An air duct is provided on the left side of the generating box, and a first air outlet pipe and a second air outlet pipe are provided on the air duct, and the first air outlet pipe and the second air outlet pipe are both located between the front and rear sides of the inner wall of the cooling chamber, and an airflow pipe connected with the air duct is provided on the left side of the inner wall of the generating box, and a fan is provided in the airflow pipe, and the fan is connected to an external power supply to work. A refrigeration mechanism is provided in the generating box, and the refrigeration mechanism forms a low-temperature environment in the generating box. The fan generates airflow in the airflow pipe, and the airflow enters the first air outlet pipe and the second air outlet pipe from the air duct, and is output from the first air outlet pipe and the second air outlet pipe, and cools the upper and lower surfaces of the raw tape respectively, thereby realizing continuous cooling of the raw tape and improving the production effect of the raw tape.

[0010] Preferably, two first protrusions symmetrically arranged front and back are provided on the left side of the cooling chamber, and a first guide roller is rotatably connected between the two first protrusions. The first guide roller is close to the operating port on the left and is used in conjunction with the second guide roller to improve the stability of the raw tape entering the cooling chamber.

[0011] Preferably, two second protrusions symmetrically arranged front and back are provided on the right side of the cooling chamber, and a fourth guide roller is rotatably connected between the two second protrusions. The fourth guide roller is close to the operating port on the right and is used in conjunction with the third guide roller to improve the stability of the raw tape at the output from the cooling chamber.

[0012] Preferably, legs are provided at the bottom of the cooling chamber and near the four corners to support the cooling chamber.

[0013] Preferably, the first air outlet pipe is close to the top of the first guide roller, and the outer wall of the first air outlet pipe is provided with a plurality of upper air blowing pipes arranged equidistantly front to back, and the air outlet end of the upper air blowing pipe is arranged toward the lower right to disperse the airflow, and the upper surface of the raw tape is blown and cooled through the plurality of upper air blowing pipes.

[0014] Preferably, the second air outlet pipe is close to the bottom of the first guide roller, and the outer wall of the second air outlet pipe is provided with a plurality of downward blowing pipes arranged equidistantly front to back, and the air outlet end of the downward blowing pipe is arranged toward the upper right to disperse the airflow, and the lower surface of the raw tape is blown and cooled through the plurality of downward blowing pipes.

[0015] Preferably, the refrigeration mechanism includes a rectangular vertical tube that passes through the middle of the bottom of the generator box, the top of the rectangular vertical tube is located in the generator box, and a semiconductor refrigeration plate is provided on the top of the inside of the rectangular vertical tube. The semiconductor refrigeration plate works by an external power supply, and the top of the semiconductor refrigeration plate is a cooling surface, thereby generating a low-temperature environment in the generator box. The heating surface of the semiconductor refrigeration plate is provided with a heat conduction plate to quickly dissipate the heat generated by the semiconductor refrigeration plate when it is working.

[0016] Preferably, a plurality of heat conducting sheets arranged equidistantly from front to back are provided at the bottom of the heat conducting plate, rectangular openings are opened on the left and right sides of the rectangular vertical tube, and a fan is provided at the bottom of the rectangular vertical tube. The fan is connected to an external power supply to generate an upward airflow to dissipate heat from the plurality of heat conducting sheets and the heat conducting plate, so that the heat is quickly dissipated from the two rectangular openings along with the airflow to ensure the cooling effect of the semiconductor refrigeration sheet.

[0017] Preferably, a first U-shaped guide rail is provided on both sides of the upper and lower inner walls of the generating box and close to the right side, a first filter mesh plate is inserted between the two first U-shaped guide rails, a second U-shaped guide rail is provided on both sides of the upper and lower inner walls of the generating box and close to the left side of the first U-shaped guide rail, a second filter mesh plate is inserted between the two second U-shaped guide rails, and the air entering the generating box is filtered by the first filter mesh plate and the second filter mesh plate to prevent impurities from being blown out from the upper blowing pipe and the lower blowing pipe along with the low-temperature airflow, thereby preventing impurities from adhering to the surface of the raw tape.

[0018] Preferably, the filter holes of the second filter plate are smaller than the filter holes of the first filter plate, and the front sides of the first filter plate and the second filter plate both penetrate the front side of the inner wall of the generator box to the outside, which is convenient for staff to clean or replace the first filter plate and the second filter plate, and the connection between the first filter plate and the second filter plate and the generator box is sealed with rubber pads to prevent outside air from entering the generator box from the connection between the first filter plate and the second filter plate and the generator box.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The cooling mechanism of the raw tape production allows the raw tape to be produced while it is continuously cooled through a continuous cooling process design, thereby eliminating the time delay of waiting for each batch of raw tape to be cooled before the next batch of production. This design significantly improves the continuity and efficiency of production.

[0021] 2. The cooling mechanism of the raw tape production, the strip suction hood and L-shaped suction hood in the design effectively manage the airflow during the cooling process, reduce the interference of airflow on the working environment, avoid the generation of floating dust, and provide a cleaner and safer working environment.

[0022] 3. The cooling mechanism of the raw tape production, the refrigeration mechanism forms a low-temperature environment in the generating box, the fan generates airflow in the airflow pipe, the airflow enters the first air outlet pipe and the second air outlet pipe from the air guide pipe, and is output from the first air outlet pipe and the second air outlet pipe, respectively, to cool the upper and lower surfaces of the raw tape, thereby realizing continuous cooling of the raw tape and improving the production effect of the raw tape.

[0023] 4. The cooling mechanism produced by the raw tape has a top of the semiconductor refrigeration sheet as the cooling surface, thereby creating a low-temperature environment in the generator box. The heat conduction plate can quickly dissipate the heat generated by the semiconductor refrigeration sheet when it is working. The fan generates an upward airflow to blow air to dissipate the heat of multiple heat conduction sheets and heat conduction plates, so that the heat is quickly dissipated from the two rectangular openings with the airflow to ensure the cooling effect of the semiconductor refrigeration sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the overall first-view structure of the utility model;

[0025] Figure 2 It is a schematic diagram of the overall structure of the utility model from a second viewing angle;

[0026] Figure 3 It is a schematic cross-sectional structure diagram of the cooling chamber in the utility model;

[0027] Figure 4 It is a partial structural schematic diagram of the utility model;

[0028] Figure 5 This is a schematic diagram of the cooling component structure in the utility model;

[0029] Figure 6 It is a partial structural schematic diagram of the cooling component in the utility model;

[0030] Figure 7 It is a schematic diagram of the cross-sectional structure of the generating box in the utility model;

[0031] Figure 8 It is a schematic diagram of the cross-sectional structure of the airflow pipe in the utility model;

[0032] Fig. 9 It is a schematic diagram of the cross-sectional structure of the rectangular vertical tube in the present utility model.

[0033] In the figure: 1, cooling chamber; 10, first protrusion; 11, second protrusion; 12, operation port; 13, first strip hole; 14, second strip hole; 2, first guide roller; 3, second guide roller; 4, third guide roller; 5, fourth guide roller; 6, double door; 7, cooling component; 70, generating box; 700, first U-shaped guide rail; 701, second U-shaped guide rail; 71, return pipe; 72, air guide pipe; 73, strip suction hood ; 74. L-shaped air suction hood; 75. first air outlet pipe; 750. upper air blowing pipe; 76. second air outlet pipe; 760. lower air blowing pipe; 77. air flow pipe; 78. fan; 79. refrigeration mechanism; 790. rectangular vertical pipe; 7900. rectangular mouth; 791. semiconductor refrigeration plate; 792. heat conducting plate; 793. heat conducting plate; 794. fan; 702. first filter screen; 703. second filter screen; 8. support legs. DETAILED DESCRIPTION

[0034] 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.

[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0036] See also Figure 1-Figure 9 , the utility model provides a technical solution:

[0037] A cooling mechanism for raw tape production, comprising a cooling chamber 1, a double-opening door 6 is hingedly connected to the front side of the cooling chamber 1, so that the staff can pass the raw tape through the cooling chamber 1, and operation ports 12 for the raw tape to pass through are opened on both sides of the cooling chamber 1. The raw tape enters the cooling chamber 1 from the left operation port 12 and is output from the right operation port 12. A second guide roller 3 is rotatably connected between the front and rear sides of the inner wall of the cooling chamber 1 and close to the left operation port 12. A third guide roller 4 is rotatably connected between the front and rear sides of the inner wall of the cooling chamber 1 and close to the right operation port 12. The raw tape passes through the second guide roller 3 and the third guide roller 4 in turn, which supports the movement of the raw tape.

[0038] A cooling assembly 7 is provided on the cooling chamber 1. The cooling assembly 7 includes a generating box 70 fixedly connected to the bottom of the cooling chamber 1. A return pipe 71 is provided on the right side of the generating box 70. A strip suction hood 73 and an L-shaped suction hood 74 are provided on the return pipe 71. A first strip hole 13 is provided on the right side of the cooling chamber 1 and near the top of the operation port 12. The strip suction hood 73 is communicated with the first strip hole 13. A second strip hole 14 is provided on the right side of the cooling chamber 1 and near the bottom of the operation port 12. The L-shaped suction hood 74 is communicated with the second strip hole 14. The L-shaped suction hood 74 can avoid hindering the rotation of the fourth guide roller 5. The airflow above and below the raw tape is sucked in respectively through the strip suction hood 73 and the L-shaped suction hood 74, and is introduced into the cooling chamber 1 through the return pipe 71, thereby reducing the airflow output from the right operation port 12 and avoiding the generation of floating dust in the workshop.

[0039] An air duct 72 is provided on the left side of the generating box 70, and a first air outlet pipe 75 and a second air outlet pipe 76 are provided on the air duct 72. The first air outlet pipe 75 and the second air outlet pipe 76 are both located between the front and rear sides of the inner wall of the cooling chamber 1. An airflow pipe 77 connected to the air duct 72 is provided on the left side of the inner wall of the generating box 70. A fan 78 is provided in the airflow pipe 77. The fan 78 is connected to an external power supply. A refrigeration mechanism 79 is provided in the generating box 70. The refrigeration mechanism 79 forms a low-temperature environment in the generating box 70. The fan 78 generates airflow in the airflow pipe 77. The airflow enters the first air outlet pipe 75 and the second air outlet pipe 76 from the air duct 72 and is output from the first air outlet pipe 75 and the second air outlet pipe 76, respectively cooling the upper and lower surfaces of the raw tape, thereby realizing continuous cooling of the raw tape and improving the production effect of the raw tape.

[0040] In this embodiment, two first protrusions 10 symmetrically arranged front and back are provided on the left side of the cooling chamber 1, and a first guide roller 2 is rotatably connected between the two first protrusions 10. The first guide roller 2 is close to the operating port 12 on the left and is used in conjunction with the second guide roller 3 to improve the stability of the raw tape entering the cooling chamber 1.

[0041] Specifically, two second protrusions 11 symmetrically arranged front and back are provided on the right side of the cooling chamber 1, and a fourth guide roller 5 is rotatably connected between the two second protrusions 11. The fourth guide roller 5 is close to the operating port 12 on the right and is used in conjunction with the third guide roller 4 to improve the stability of the raw tape at the output from the cooling chamber 1.

[0042] Furthermore, legs 8 are provided at the bottom of the cooling chamber 1 and near the four corners to support the cooling chamber 1 .

[0043] Furthermore, the first air outlet pipe 75 is close to the top of the first guide roller 2, and the outer wall of the first air outlet pipe 75 is provided with a plurality of upper air blowing pipes 750 arranged equidistantly front to back, and the air outlet end of the upper air blowing pipe 750 is arranged toward the lower right to disperse the airflow, and the upper surface of the raw tape is blown and cooled through the plurality of upper air blowing pipes 750.

[0044] Furthermore, the second air outlet pipe 76 is close to the bottom of the first guide roller 2, and the outer wall of the second air outlet pipe 76 is provided with a plurality of lower blowing pipes 760 arranged equidistantly from front to back, and the air outlet end of the lower blowing pipe 760 is arranged to face the upper right to disperse the airflow, and the lower surface of the raw tape is blown and cooled through the plurality of lower blowing pipes 760.

[0045] Furthermore, the refrigeration mechanism 79 includes a rectangular vertical tube 790 which passes through the middle of the bottom of the generator box 70. The top of the rectangular vertical tube 790 is located inside the generator box 70. A semiconductor refrigeration plate 791 is provided at the top inside the rectangular vertical tube 790. The semiconductor refrigeration plate 791 is connected to an external power supply for operation. The top of the semiconductor refrigeration plate 791 is a cooling surface, thereby generating a low-temperature environment in the generator box 70. The heating surface of the semiconductor refrigeration plate 791 is provided with a heat conduction plate 792 to quickly dissipate the heat generated by the semiconductor refrigeration plate 791 when it is working.

[0046] Furthermore, a plurality of heat conducting sheets 793 equidistantly arranged front to back are provided at the bottom of the heat conducting plate 792, rectangular openings 7900 are provided on both the left and right sides of the rectangular vertical tube 790, and a fan 794 is provided at the bottom of the rectangular vertical tube 790. The fan 794 is connected to an external power supply and generates an upward airflow to dissipate heat from the plurality of heat conducting sheets 793 and the heat conducting plate 792, so that the heat is quickly dissipated from the two rectangular openings 7900 along with the airflow, thereby ensuring the cooling effect of the semiconductor refrigeration sheet 791.

[0047] Furthermore, first U-shaped guide rails 700 are provided on the upper and lower sides of the inner wall of the generating box 70 and close to the right side, a first filter screen plate 702 is inserted between the two first U-shaped guide rails 700, second U-shaped guide rails 701 are provided on the upper and lower sides of the inner wall of the generating box 70 and close to the left side of the first U-shaped guide rail 700, a second filter screen plate 703 is inserted between the two second U-shaped guide rails 701, and the air entering the generating box 70 is filtered by the first filter screen plate 702 and the second filter screen plate 703 to prevent impurities from being blown out from the upper blowing pipe 750 and the lower blowing pipe 760 along with the low-temperature airflow, thereby preventing impurities from adhering to the surface of the raw tape.

[0048] Furthermore, the filter holes of the second filter plate 703 are smaller than the filter holes of the first filter plate 702, and the front sides of the first filter plate 702 and the second filter plate 703 both penetrate the front side of the inner wall of the generator box 70 to the outside, which is convenient for the staff to clean or replace the first filter plate 702 and the second filter plate 703, and the connection between the first filter plate 702 and the second filter plate 703 and the generator box 70 is sealed with rubber pads to prevent outside air from entering the generator box 70 from the connection between the first filter plate 702 and the second filter plate 703 and the generator box 70.

[0049] When the cooling mechanism for raw tape production of this embodiment is used, the staff starts the fan 78 and the refrigeration mechanism 79 to pre-cool the inside of the generating box 70 and create a low-temperature environment. Then the staff opens the double door 6 of the cooling chamber and introduces one end of the raw tape into the left operating port 12 of the cooling chamber 1. The raw tape is guided through the first guide roller 2 and the second guide roller 3 in turn to ensure that it enters the cooling chamber 1 smoothly. When passing through the second guide roller 3 and the third guide roller 4, the raw tape will pass through the low-temperature airflow emitted by the cooling component 7. The first air outlet pipe 75 and the second air outlet pipe 76 lead out the cold air from the generator box 70, and the upper and lower surfaces of the raw tape are evenly blown and cooled through multiple upper air blowing pipes 750 and lower air blowing pipes 760 arranged on the pipe wall. The cooled raw tape continues to move, is guided by the third guide roller 4 and the fourth guide roller 5, and is output from the right operating port 12. At this time, the raw tape has dropped to the required temperature and has good mechanical strength and dimensional stability. The staff regularly cleans the first filter screen 702 and the second filter screen 703 in the generator box 70, checks the first filter screen 702 and the second filter screen 703, and replaces them when necessary to ensure smooth air circulation and cooling effect.

[0050] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A cooling mechanism for raw tape production, comprising a cooling chamber (1), wherein a double door (6) is hingedly connected to the front side of the cooling chamber (1), characterized in that: The left and right sides of the cooling chamber (1) are both provided with operation openings (12) for the raw material belt to pass through; a second guide roller (3) is rotatably connected to a position between the front and rear sides of the inner wall of the cooling chamber (1) and close to the left operation opening (12); a third guide roller (4) is rotatably connected to a position between the front and rear sides of the inner wall of the cooling chamber (1) and close to the right operation opening (12); a cooling component (7) is provided on the cooling chamber (1); the cooling component (7) comprises a generating box (70) fixedly connected to the bottom of the cooling chamber (1); a return pipe (71) is provided on the right side of the generating box (70); a strip-shaped air suction hood (73) and an L-shaped air suction hood (74) are provided on the return pipe (71); a first strip-shaped air suction hood (73) and an L-shaped air suction hood (74) are provided on the right side of the cooling chamber (1) and close to the top of the operation opening (12); shaped hole (13), the strip-shaped air suction hood (73) is connected to the first strip-shaped hole (13), a second strip-shaped hole (14) is opened on the right side of the cooling chamber (1) and close to the bottom of the operation port (12), the L-shaped air suction hood (74) is connected to the second strip-shaped hole (14), an air guide pipe (72) is provided on the left side of the generating box (70), a first air outlet pipe (75) and a second air outlet pipe (76) are provided on the air guide pipe (72), the first air outlet pipe (75) and the second air outlet pipe (76) are both located between the front and rear sides of the inner wall of the cooling chamber (1), an air flow pipe (77) connected to the air guide pipe (72) is provided on the left side of the inner wall of the generating box (70), a fan (78) is provided in the air flow pipe (77), and a refrigeration mechanism (79) is provided in the generating box (70).

2. The cooling mechanism for raw tape production according to claim 1 is characterized in that: Two first protrusions (10) are symmetrically arranged front and back on the left side of the cooling chamber (1), a first guide roller (2) is rotatably connected between the two first protrusions (10), and the first guide roller (2) is close to the operating port (12) on the left.

3. The cooling mechanism for raw tape production according to claim 1 is characterized in that: Two second protrusions (11) are symmetrically arranged front and back on the right side of the cooling chamber (1), a fourth guide roller (5) is rotatably connected between the two second protrusions (11), and the fourth guide roller (5) is close to the right operating port (12).

4. The cooling mechanism for raw tape production according to claim 1 is characterized in that: Support legs (8) are provided at the bottom of the cooling chamber (1) and near the four corners.

5. The cooling mechanism for raw tape production according to claim 1 is characterized in that: The first air outlet pipe (75) is close to the top of the first guide roller (2), and the outer wall of the first air outlet pipe (75) is provided with a plurality of upper air blowing pipes (750) arranged equidistantly from front to back, and the air outlet ends of the upper air blowing pipes (750) are arranged toward the lower right.

6. The cooling mechanism for raw tape production according to claim 1 is characterized in that: The second air outlet pipe (76) is close to the bottom of the first guide roller (2), and the outer wall of the second air outlet pipe (76) is provided with a plurality of lower air blowing pipes (760) arranged equidistantly from front to back, and the air outlet ends of the lower air blowing pipes (760) are arranged toward the upper right.

7. The cooling mechanism for raw tape production according to claim 1 is characterized in that: The refrigeration mechanism (79) comprises a rectangular vertical tube (790) penetrating the middle of the bottom of the generator box (70), a semiconductor refrigeration sheet (791) being provided at the top of the interior of the rectangular vertical tube (790), and a heat conduction plate (792) being provided on the heating surface of the semiconductor refrigeration sheet (791).

8. The cooling mechanism for raw tape production according to claim 7, characterized in that: The bottom of the heat conducting plate (792) is provided with a plurality of heat conducting sheets (793) arranged equidistantly in the front and rear directions, the left and right sides of the rectangular vertical tube (790) are both provided with rectangular openings (7900), and the bottom of the rectangular vertical tube (790) is provided with a fan (794).

9. The cooling mechanism for raw tape production according to claim 1, characterized in that: First U-shaped guide rails (700) are provided on both upper and lower sides of the inner wall of the generating box (70) and close to the right side, and a first filter screen (702) is inserted between the two first U-shaped guide rails (700). Second U-shaped guide rails (701) are provided on both upper and lower sides of the inner wall of the generating box (70) and close to the left side of the first U-shaped guide rail (700), and a second filter screen (703) is inserted between the two second U-shaped guide rails (701).

10. The cooling mechanism for raw tape production according to claim 9, characterized in that: The filter holes of the second filter screen plate (703) are smaller than the filter holes of the first filter screen plate (702); the front sides of the first filter screen plate (702) and the second filter screen plate (703) both penetrate the front side of the inner wall of the generating box (70) to the outside; and the connections between the first filter screen plate (702) and the second filter screen plate (703) and the generating box (70) are sealed with rubber pads.

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