Hot air shrinking device for heat shrink tube

Abstract

The utility model relates to the technical field of pipeline processing, and discloses a hot air shrinking device for a heat shrink tube, which comprises a base, an air blower, a hot-air blower and a mounting seat are mounted on the base, an air supply pipe is mounted between an air outlet of the air blower and an air inlet of the hot-air blower, and an air outlet of the hot-air blower is communicated with the air inlet of the mounting seat; a heating cylinder is detachably mounted on the mounting seat, a thermal shrinkage rod is mounted in the heating cylinder, and a gap for performing thermal shrinkage on a thermal shrinkage tube is reserved between the heating cylinder and the thermal shrinkage rod. An air blower and an air heater are mounted on the base, and through cooperation of the air blower and the air heater, hot air can be conveyed into the heating cylinder to heat the heat shrink tube; a traditional thermal shrinkage mode is replaced, and the labor amount of workers is reduced; a heating cylinder is sleeved with the heating cylinder, and a heat shrink tube is placed between the heat shrink rod and the heating cylinder; when air enters the heating cylinder, air can be blown to a larger area; and the thermal shrinkage time can be shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline processing technical field, concretely is a hot -air shrinking device for heat shrink tube. BACKGROUND

[0002] As a common material, heat shrink tube can provide electrical insulation, waterproof and moistureproof, structural reinforcement and identification classification and is widely used in power, electronics, communication, automobile and other fields. In different application occasions, we select heat shrink tubes of different materials according to the temperature, environment, shrinkage ratio and other factors.

[0003] At present, when heat shrink tube is heat shrunk, a hot air gun is mostly used to heat the heat shrink tube. However, when the hot air gun heats the heat shrink tube, the following defects exist. Firstly, the staff needs to frequently adjust the air outlet position of the hot air gun, resulting in a large workload. Secondly, the coverage area of the hot air gun is relatively small, and the heating efficiency is relatively low.

[0004] Therefore, we propose a hot air shrinking device for heat shrink tube to solve the problems mentioned above. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the above-mentioned technical problems.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a hot air shrinking device for heat shrink tube, comprising a base, wherein a blower, a hot air machine and a mounting seat are installed on the base, a blast pipe is installed between the air outlet of the blower and the air inlet of the hot air machine, the air outlet of the hot air machine and the air inlet of the mounting seat are in communication with each other; a heating cylinder is detachably installed on the mounting seat, and a heat shrink rod is installed inside the heating cylinder; a gap for heat shrinking the heat shrink tube is left between the heating cylinder and the heat shrink rod.

[0007] Further, a rack is installed on the top of the base, a control box is installed above the rack, and a PLC controller electrically connected with the blower and the hot air machine is installed inside the control box.

[0008] Further, flanges are installed on the air outlet of the hot air machine and the air inlet of the mounting seat, respectively, and the two flanges are connected by a plurality of fixing bolts.

[0009] Further, the same placing seat is inserted between the mounting seat and the heating cylinder, and a plurality of air inlets are equidistantly formed in the circumferential direction on the placing seat.

[0010] Further, a threaded hole is formed at the center of the top of the placing seat, and a support column for supporting the heat shrink rod is screw-mounted in the threaded hole.

[0011] Further, the heat-shrinking rod comprises a plurality of rod bodies, adjacent rod bodies are connected through connecting pieces, a lower fixing piece used in cooperation with the supporting column is installed on the lowermost rod body; an upper fixing piece is installed on the uppermost rod body.

[0012] Further, a movable sleeve is threadedly installed at the top end of the heating cylinder, a through hole is formed at the axis of the movable sleeve, a pressing rod for pressing the upper fixing piece is slidably installed inside the through hole, and a counterweight is installed at the top end of the pressing rod.

[0013] Further, a plurality of through air outlets are formed at the top of the movable sleeve in the center of the axis.

[0014] The present application has the following beneficial effects:

[0015] The blower and the hot air blower are installed on the base, and through the cooperation of the blower and the hot air blower, hot air can be delivered into the heating cylinder and the heat-shrinking tube can be heated and treated; the traditional heat-shrinking mode is replaced, and the labor of the staff is reduced; the staff is facilitated.

[0016] The heating cylinder is sleeved in the heating cylinder, and the heat-shrinking tube is placed between the heat-shrinking rod and the heating cylinder; when air is introduced into the heating cylinder, the larger area can be blown; the wind area of the heat-shrinking tube is relatively large, the heat-shrinking time is shortened, and the processing efficiency of the heat-shrinking tube is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0018] Figure 2 is a schematic diagram of the cross-sectional structure of the heating cylinder in the present application;

[0019] Figure 3 is a schematic diagram of the cross-sectional structure of the heat-shrinking rod in the present application;

[0020] Figure 4 is a schematic diagram of the cross-sectional structure of the placing seat in the present application;

[0021] Figure 5 is a schematic diagram of the cross-sectional structure of the movable sleeve in the present application.

[0022] Corresponding names of various marks in the figure:

[0023] 1, base; 2, air blower; 3, hot air machine; 4, mounting seat; 5, air supply pipe; 6, heating cylinder; 7, heat shrinkable rod; 701, rod body; 702, connecting piece; 703, lower fixing piece; 704, upper fixing piece; 8, heat shrinkable tube; 9, rack; 10, control box; 11, flange; 12, placing seat; 13, air inlet hole; 14, threaded hole; 15, support column; 16, movable sleeve; 17, through hole; 18, pressing rod; 19, counterweight; 20, air outlet. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art belong to the scope of protection of the utility model.

[0025] Embodiments of the utility model:

[0026] A hot air shrinking device for heat shrinkable tube, including base 1, the corner of base 1 is respectively installed with the support that sets down, through the setting of support, play to the support of base 1 effect;Base 1's top is respectively installed with air blower 2, hot air machine 3 and mounting seat 4, it needs to be explained: air blower 2's air outlet and hot air machine 3 between installation has air supply pipe 5;Through air blower 2 can be extracted wind to be transported to the inside of hot air machine 3, and is heated by hot air machine 3 and is handled;The air outlet of hot air machine 3 and the air inlet of mounting seat 4 are respectively installed with flange 11, two flanges 11 are connected by a plurality of bolts, so that hot air machine 3 and mounting seat 4 can be disassembled;

[0027] Mounting seat 4 is provided with a stepped hole along the axial direction, and the stepped hole is provided with a placing seat 12, and the lower part of the heating cylinder 6 is inserted into the upper part of the mounting seat 12. The placing seat 12 is provided to limit the heating cylinder 6 and prevent the heating cylinder 6 from tilting during use. In detail, the top of the placing seat 12 is provided with a plurality of air inlet holes 13 along the axial direction. The heated gas from the hot air machine 3 can be transported into the heating cylinder 6 and heat shrink the heat shrink tube 8 through the air inlet holes 13. A threaded hole 14 is provided at the center of the top of the placing seat 12, and a support column 15 is screwed into the threaded hole 14. The support column 15 is provided to support the heat shrinkable rod 7 in the heating cylinder 6 and prevent the bottom of the heat shrinkable rod 7 from contacting the top of the placing seat 12.

[0028] The inner sleeve of the heating cylinder 6 is sleeved with a heat shrinkable rod 7, and the heat shrinkable rod 7 and the heating cylinder 6 are coaxially arranged. It should be noted that a gap with a cross-section of a "circular ring" shape is formed between the inner side wall of the heating cylinder 6 and the outer side wall of the heat shrinkable rod 7, which is used to store a heat shrinkable tube 8 and perform heat shrinkage treatment. In detail, the heat shrinkable rod 7 includes a plurality of rod bodies 701, and adjacent rod bodies 701 are connected through connecting pieces 702, so that the length of the heat shrinkable rod 7 can be adjusted according to the length of the heat shrinkable tube 8. An interference fit is provided on the lowermost rod body 701, and a recess is provided at the bottom end of the lower fixing piece 703 for cooperation with the supporting column 15. An interference fit is provided on the uppermost rod body 701, and a recess is also provided on the upper fixing piece 704. When the pressing rod 18 moves downward, it can be inserted into the recess on the upper fixing piece 704, and the recess of the lower fixing piece 703 can be inserted into the supporting column 15, thereby limiting the heat shrinkable rod 7, preventing the heat shrinkable rod 7 from shaking or loosening during use.

[0029] The top of the heating cylinder 6 is threadedly mounted with a movable sleeve 16, and a through hole 17 is formed at the axis of the movable sleeve 16, and a pressing rod 18 is slidably mounted in the through hole 17. The provision of the pressing rod 18 serves to press the heat shrinkable rod 7, and a counterweight 19 is mounted at the top end of the pressing rod 18 extending outside the heating cylinder 6, thereby increasing the weight of the pressing rod 18.

[0030] A plurality of through air outlets 20 are formed at the top of the movable sleeve 16 as the center of the axis, and the heat in the heating cylinder 6 can be discharged outward through the air outlets 20, thereby achieving a circulating flow effect.

[0031] The top of the base 1 is also provided with a rack 9, and the rack 9 is provided with a control box 10 above, and a controller (not shown in the figure) is installed in the control box 10. The output end of the controller is electrically connected to the air blower 2 and the hot air blower 3 through wires, thereby controlling the hot air blower 3 and the air blower 2.

[0032] When the heat shrink tube 8 is heat shrunk, firstly, the heat shrink tube is sleeved on the heat shrink rod 7, and then the heat shrink rod 7 is inserted into the inside of the heating cylinder 6, secondly, one end of the heating cylinder 6 is sleeved on the placing seat 12, and the upper part of the supporting column 15 can be inserted into the groove in the lower part; the pressing rod 18 can slide downward under the gravity of the pressing rod 18; the bottom end of the pressing rod 18 can be inserted into the groove in the upper part; thereby the heat shrink rod 7 is limited, and the heat shrink rod 7 is prevented from shaking during use; finally, the air blower 2 and the hot air machine 3 are started at the same time, the air blower 2 can deliver the extracted gas to the inside of the hot air machine 3, the gas can be heated through the hot air machine 3; the heated gas enters the gap between the heating cylinder 6 and the heat shrink rod 7 through the mounting seat 4, thereby the heat shrink tube 8 between the heating cylinder 6 and the heat shrink rod 7 is heat shrunk, and the work of heat shrinking the heat shrink tube 8 is completed.

Claims

1. A hot air shrinking device for heat-shrinkable tubes, comprising a base (1), characterized in that: The base (1) is provided with a blower (2), a hot air machine (3) and a mounting seat (4), a blast pipe (5) is arranged between the air outlet of the blower (2) and the air inlet of the hot air machine (3), and the air outlet of the hot air machine (3) and the air inlet of the mounting seat (4) are communicated with each other; a heating cylinder (6) is detachably arranged on the mounting seat (4), a heat shrinkable rod (7) is arranged in the heating cylinder (6), and a gap for heat shrinkage of a heat shrinkable tube (8) is arranged between the heating cylinder (6) and the heat shrinkable rod (7).

2. The hot air shrinking apparatus for heat shrinkable tube according to claim 1, wherein: A rack (9) is arranged on the top of the base (1), a control box (10) is arranged above the rack (9), and a PLC controller electrically connected with the blower (2) and the hot air machine (3) is arranged in the control box (10).

3. The hot air shrinking apparatus for heat shrinkable tube according to claim 1, wherein: Flanges (11) are arranged on the air outlet of the hot air machine (3) and the air inlet of the mounting seat (4), respectively, and the two flanges (11) are connected by a plurality of fixing bolts.

4. The hot air shrinking apparatus for heat shrinkable tube according to claim 1, wherein: A placing seat (12) is arranged between the mounting seat (4) and the heating cylinder (6), and a plurality of air inlet holes (13) are equidistantly arranged on the placing seat (12) in the circumferential direction.

5. The hot air shrinking apparatus for heat shrinkable tube according to claim 4, wherein: A threaded hole (14) is arranged at the center of the top of the placing seat (12), and a support column (15) for supporting the heat shrinkable rod (7) is arranged in the threaded hole (14).

6. The hot air shrinking apparatus for heat shrinkable tube according to claim 1, wherein: The heat shrinkable rod (7) comprises a plurality of rod bodies (701), adjacent rod bodies (701) are connected by connecting pieces (702), a lower fixing piece (703) is arranged on the lowermost rod body (701) and used in cooperation with the support column (15), and an upper fixing piece (704) is arranged on the uppermost rod body (701).

7. A hot air shrinking apparatus for heat-shrinkable tube according to claim 6, wherein: An active sleeve (16) is threadedly arranged on the top end of the heating cylinder (6), a through hole (17) is arranged at the axis of the active sleeve (16), a pressure rod (18) for pressing the upper fixing piece (704) is slidably arranged in the through hole (17), and a counterweight (19) is arranged at the top end of the pressure rod (18) and penetrates the through hole (17).

8. The hot air shrinking apparatus for heat shrinkable tube according to claim 7, wherein: A plurality of through air outlets (20) are arranged on the top of the active sleeve (16) and centered on the axis.

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