Heat shrink tube expanding machine

Abstract

The utility model relates to the technical field of heat shrink tube processing equipment, and discloses a heat shrink tube expanding machine which comprises a cooling pool, and an ice box is arranged in the cooling pool. According to the heat shrink tube expanding machine, by arranging the lifting assembly and the expanding assembly, when the heat shrink tube expanding machine is used, an annular high-temperature-resistant air bag is sleeved with a to-be-expanded heat shrink tube, at the moment, a steam injection pipe is externally connected with steam generation equipment, a first valve is opened, hot steam is injected into a round tube, and through cooperation of through holes, the heat shrink tube is expanded; the heat shrink tube is expanded through the high temperature of steam and expansion of the annular high-temperature-resistant air bag, after expansion is completed, a first valve is closed, a servo motor and a threaded rod are matched, a threaded block drives the heat shrink tube to be immersed in a cooling pond to be cooled and shaped, and finally the round tube leaves the water surface; at the moment, the second valve is opened, the gas is exhausted, the annular high-temperature-resistant air bag recovers, expansion of the heat shrink tube is completed, equipment is simple, and the operation cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of heat shrinkable tube processing equipment, in particular to a heat shrinkable tube expander. Background Technique

[0002] A heat shrinkable tube is a special polyolefin-based heat shrinkable sleeve, which is made by compounding a high-quality soft cross-linked polyolefin material on the outer layer and a hot melt adhesive on the inner layer. The outer layer material has the characteristics of insulation, corrosion prevention, wear resistance, etc., and the inner layer has the advantages of low melting point, waterproof sealing and high adhesiveness.

[0003] At present, the prices of traditional heat shrinkable tube expanders are generally relatively expensive, which increases the operating costs of some small manufacturers and is not suitable for small production businesses. Therefore, a heat shrinkable tube expander is proposed to solve the above-mentioned technical problems. Content of the Utility Model

[0004] (I) Solved Technical Problems

[0005] Aiming at the deficiencies of the prior art, the utility model provides a heat shrinkable tube expander, which solves the problems that the prices of traditional heat shrinkable tube expanders are generally relatively expensive at present, increasing the operating costs of some small manufacturers and not being suitable for small production businesses.

[0006] (II) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solution: A heat shrinkable tube expander includes a cooling pool, an ice box is arranged inside the cooling pool, a fixed column is arranged on the inner bottom wall of the cooling pool, a lifting assembly rotatably connected to its inner bottom wall is arranged on the top of the fixed column, and an expanding assembly with one end extending to the right side thereof is arranged on the right side wall of the lifting assembly;

[0008] The lifting assembly includes a threaded rod, a threaded rod is arranged between the inner top wall and the inner bottom wall of the fixed column, a threaded block is arranged outside the threaded rod, the threaded block is connected to the inner wall of the fixed column, a motor fixing frame is arranged on the top of the fixed column, a servo motor is arranged on the inner top wall of the motor fixing frame, and the output shaft of the servo motor is connected to the top of the threaded rod;

[0009] The expanding assembly includes a circular tube, a circular tube with one end extending to the right side of the fixed column is arranged on the right side wall of the threaded block, an annular high-temperature resistant airbag is arranged outside the circular tube, a limiting ring plate is arranged outside the circular tube on the left side of the annular high-temperature resistant airbag, a steam injection tube with one end extending to the top thereof is arranged on the inner top wall of the circular tube, the steam injection tube is located on the left side of the limiting ring plate, a first valve is arranged outside the steam injection tube, and a pressure gauge with one end extending to the inside thereof is arranged on the top of the circular tube, and the pressure gauge is located on the left side of the steam injection tube.

[0010] Preferably, a long strip hole adapted to the moving track of the threaded block is formed in the right side wall of the fixed column.

[0011] Preferably, heat dissipation mesh holes are formed in the inner top wall of the motor fixing frame, and a maintenance door is arranged on the rear side wall of the motor fixing frame.

[0012] Preferably, a number of through holes are formed in the inner wall of the circular tube, and the through holes are located inside the high-temperature resistant airbag.

[0013] Preferably, the right side of the inner wall of the circular tube is communicated with an exhaust pipe extending to the right side thereof, and a second valve is arranged outside the exhaust pipe.

[0014] Preferably, a connecting flange is arranged at one end of the steam injection pipe away from the circular tube.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a heat shrinkable tube expander, which has the following beneficial effects:

[0017] In the heat shrinkable tube expander, by arranging a lifting assembly and an expanding assembly, during use, the heat shrinkable tube to be expanded is sleeved outside the annular high-temperature resistant airbag. At this time, the steam injection pipe is externally connected to a steam generating device. Then, the first valve is opened, and hot steam is injected into the circular tube. Through the cooperation of the through holes, the annular high-temperature resistant airbag expands into a cylindrical shape. The heat shrinkable tube is expanded by the high temperature of the steam and the expansion of the annular high-temperature resistant airbag. After the expansion is completed, the first valve is closed. Through the cooperation of the servo motor and the threaded rod, the threaded block drives the heat shrinkable tube to immerse in the cooling pool for cooling and shaping. Finally, the circular tube leaves the water surface. At this time, the second valve is opened to discharge the gas, and the annular high-temperature resistant airbag resumes, completing the expansion of the heat shrinkable tube. The device is relatively simple, the operation is relatively convenient, and the operation cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a front sectional view of the utility model;

[0019] Figure 2 is the utility model Figure 1 is an enlarged view at A in

[0020] In the figure: 1, cooling pool; 2, ice box; 3, fixed column; 4, lifting assembly; 41, threaded rod; 42, threaded block; 43, motor fixing frame; 44, servo motor; 5, expanding assembly; 51, circular tube; 52, annular high-temperature resistant airbag; 53, limiting ring plate; 54, steam injection pipe; 55, first valve; 56, pressure gauge. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figure 1-2 , a heat shrinkable tube expander, including a cooling pool 1, an ice box 2 is placed inside the cooling pool 1, a fixed column 3 is fixedly connected to the inner bottom wall of the cooling pool 1, and a lifting assembly 4 that is rotatably connected to its inner bottom wall is movably connected to the top of the fixed column 3. The lifting assembly 4 includes a threaded rod 41. A threaded rod 41 is rotatably connected between the inner top wall and the inner bottom wall of the fixed column 3. A threaded block 42 is threadedly connected to the outside of the threaded rod 41. A long hole adapted to the moving track of the threaded block 42 is opened on the right side wall of the fixed column 3. The threaded block 42 is slidably connected to the inner wall of the fixed column 3. A motor fixing frame 43 is fixedly connected to the top of the fixed column 3. A heat dissipation mesh hole is opened on the inner top wall of the motor fixing frame 43. An access door is provided on the rear side wall of the motor fixing frame 43. A servo motor 44 is fixedly connected to the inner top wall of the motor fixing frame 43. The output shaft of the servo motor 44 is fixedly connected to the top of the threaded rod 41.

[0023] A dilation assembly 5 is fixedly connected to the right side wall of the lifting assembly 4 and extends to the right side thereof. The dilation assembly 5 includes a circular tube 51. A circular tube 51 that extends to the right side of the fixed column 3 is fixedly connected to the right side wall of the threaded block 42. The right side of the inner wall of the circular tube 51 is communicated with an exhaust pipe that extends to the right side thereof. A second valve is provided on the outside of the exhaust pipe. An annular high-temperature resistant airbag 52 is fixedly connected to the outside of the circular tube 51. A number of through holes are opened in the inner wall of the circular tube 51, and the through holes are located inside the high-temperature resistant airbag 52. A limiting ring plate 53 is fixedly connected to the outside of the circular tube 51 on the left side of the annular high-temperature resistant airbag 52. A steam injection pipe 54 that extends to the top of the circular tube 51 is communicated with the inner top wall of the circular tube 51. A connecting flange is provided at the end of the steam injection pipe 54 away from the circular tube 51. The steam injection pipe 54 is located on the left side of the limiting ring plate 53. A first valve 55 is provided on the outside of the steam injection pipe 54. A pressure gauge 56 that extends to the inside of the circular tube 51 is fixedly connected to the top of the circular tube 51. The pressure gauge 56 is located on the left side of the steam injection pipe 54.

[0024] It should be noted that a control switch and a driving power supply are externally connected to the servo motor 44 in this application document, and both the servo motor 44 and the pressure gauge 56 are conventional and well-known devices. The standard parts used in this application document can be purchased from the market. The specific connection methods of each part are all connected by conventional means such as bolts, rivets, and welding that are mature in the prior art. Moreover, the machinery, parts, and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art. The content not described in detail in the description belongs to the prior art well-known to those skilled in the art and will not be specifically described herein.

[0025] In summary, for this heat shrink tube expander, by setting the lifting assembly 4 and the expansion assembly 5, during use, the heat shrink tube to be expanded is sleeved outside the annular high-temperature resistant airbag 52. At this time, the steam injection pipe 54 is externally connected to a steam generating device, and then the first valve 55 is opened to inject hot steam into the inside of the round tube 51. Through the cooperation of the through holes, the annular high-temperature resistant airbag 52 expands into a cylindrical shape. The high temperature of the steam and the expansion of the annular high-temperature resistant airbag 52 expand the heat shrink tube. After the expansion is completed, the first valve 55 is closed. Through the cooperation of the servo motor 44 and the threaded rod 41, the threaded block 42 drives the heat shrink tube to immerse in the cooling pool 1 for cooling and shaping. Finally, the round tube 51 leaves the water surface. At this time, the second valve is opened to discharge the gas, and the annular high-temperature resistant airbag 52 returns, completing the expansion of the heat shrink tube. The device is relatively simple, the operation is relatively convenient, the operating cost is reduced, and the problem that the current traditional heat shrink tube expanders are generally expensive, increasing the operating costs of some small producers and not being suitable for small producers is solved.

[0026] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or sequence between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0027] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat shrinkable tube expander, comprising a cooling pool (1), characterized in that: An ice box (2) is arranged inside the cooling pool (1). A fixed column (3) is arranged on the inner bottom wall of the cooling pool (1). A lifting assembly (4) rotatably connected to its inner bottom wall is arranged on the top of the fixed column (3). An expansion assembly (5) with one end extending to the right of the lifting assembly (4) is arranged on the right side wall of the lifting assembly (4). The lifting assembly (4) includes a threaded rod (41). The threaded rod (41) is arranged between the inner top wall and the inner bottom wall of the fixed column (3). A threaded block (42) is arranged on the outer part of the threaded rod (41). The threaded block (42) is connected to the inner wall of the fixed column (3). A motor fixing frame (43) is arranged on the top of the fixed column (3). A servo motor (44) is arranged on the inner top wall of the motor fixing frame (43). The output shaft of the servo motor (44) is connected to the top of the threaded rod (41). The expansion assembly (5) includes a circular tube (51). The circular tube (51) with one end extending to the right of the fixed column (3) is arranged on the right side wall of the threaded block (42). An annular high-temperature resistant airbag (52) is arranged on the outer part of the circular tube (51). A limiting ring plate (53) located on the left side of the annular high-temperature resistant airbag (52) is arranged on the outer part of the circular tube (51). A steam injection pipe (54) with one end extending to the top of the circular tube (51) is arranged on the inner top wall of the circular tube (51). The steam injection pipe (54) is located on the left side of the limiting ring plate (53). A first valve (55) is arranged on the outer part of the steam injection pipe (54). A pressure gauge (56) with one end extending to the inside of the circular tube (51) is arranged on the top of the circular tube (51). The pressure gauge (56) is located on the left side of the steam injection pipe (54).

2. The heat shrinkable tube expander according to claim 1, wherein: A long hole adapted to the moving track of the threaded block (42) is formed in the right side wall of the fixed column (3).

3. The heat shrinkable tube expander according to claim 1, characterized in that: Heat dissipation mesh holes are formed in the inner top wall of the motor fixing frame (43). An inspection door is arranged on the rear side wall of the motor fixing frame (43).

4. The heat shrinkable tube expander according to claim 1, wherein: A number of through holes are formed in the inner wall of the circular tube (51). The through holes are located inside the high-temperature resistant airbag (52).

5. The heat shrinkable tube expander according to claim 1, characterized in that: The right side of the inner wall of the circular tube (51) is communicated with an exhaust pipe with one end extending to the right of the circular tube (51). A second valve is arranged on the outer part of the exhaust pipe.

6. The heat shrinkable tube expander according to claim 1, wherein: A connecting flange is arranged at one end of the steam injection pipe (54) away from the circular tube (51).

Images