Rotary thermal shrinkage device

Abstract

The utility model discloses a rotary thermal shrinkage device. The rotary thermal shrinkage device comprises a machine table, the positioning jig is located on the machine table and comprises a positioning base, the positioning base is connected with a suspended positioning ring seat through a connecting plate, the positioning ring seat is used for fixing a connector of the charging pile, and the positioning base is used for bearing a cable of the charging pile; the heating mechanism is located on the machine table and comprises a rotary heating assembly capable of moving in the direction close to or away from the positioning jig under the action of the linear driving part, the rotary heating assembly comprises a heating part capable of rotating under the action of the rotary driving part, and the heating part is used for heating the heat shrink tube arranged on the cable in a sleeving mode. The rotary thermal shrinkage device disclosed by the utility model can effectively avoid the problem of non-uniform thermal shrinkage caused by manual thermal shrinkage operation.

Description

Technical Field

[0001] The utility model relates to the technical field of charging pile processing, in particular to a rotary heat shrink device. Background Art

[0002] like Figure 1 The charging pile shown includes a connector 11 and a plurality of cables 12 connected to the connector 11. During processing, an inner layer of heat shrink tubing must first be applied to each cable 12 near the connector 11, and then an outer layer of heat shrink tubing must be applied to the outside of all cables 12 to improve the protective effect. In the prior art, heat shrinkage treatment is mostly done manually with a handheld hot air gun, which is not only labor-intensive, but also prone to uneven heat shrinkage when heat shrinking multiple cables manually, affecting the final quality of the product. Utility Model Content

[0003] In order to overcome the above disadvantages, the purpose of the present invention is to provide a rotary heat shrinking device, which can effectively avoid the problem of uneven heat shrinking caused by manual heat shrinking operation.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: a rotary heat shrink device, comprising

[0005] Machine;

[0006] A positioning fixture is located on the machine platform, and includes a positioning base, wherein the positioning base is connected to a suspended positioning ring seat through a connecting plate, the positioning ring seat is used to fix the connector of the charging pile, and the positioning base is used to support the cable of the charging pile;

[0007] The heating mechanism is located on the machine platform and includes a rotating heating component that can move toward or away from the positioning fixture under the action of a linear driving part. The rotating heating component includes a heating part that can rotate under the action of a rotating driving part. The heating part is used to heat the heat shrink tube sleeved on the cable.

[0008] During operation, firstly, the inner heat shrink tube is manually fitted onto the corresponding charging pile cables one by one (the inner heat shrink tube is fitted at the connection between a single cable and the connector), and then the charging pile is positioned by a positioning fixture, that is, the connector of the charging pile is fixed into the positioning ring seat, and the end of the cable away from the connector is placed on the positioning base. At this time, the connection between the connector and the cable fitted with the heat shrink tube can be exposed between the positioning ring seat and the positioning base; then the linear drive unit drives the rotary heating assembly to move towards the positioning fixture to allow the rotary heating assembly to move closer to the positioning fixture. The component can be moved to the connection between the connector and the cable, and then the heating part is driven to rotate by the rotating drive part, so that the heating part performs 360° rotational heating on the heat shrink tube installed at the connection between the connector and the cable, so that the heat shrink tube can shrink and cover the connection between the connector and the cable; then the charging pile is manually taken, and the outer layer of the heat shrink tube is installed on multiple cables (the outer layer of the heat shrink tube is installed on the outside of multiple inner layer heat shrink tubes); the charging pile is positioned again by the positioning fixture, and the outer layer of the heat shrink tube is shrunk and covered on the inner layer of the heat shrink tube by the heating mechanism.

[0009] The beneficial effects of the rotary heat shrink device of the utility model are:

[0010] 1. First, the charging pile to be heat shrunk is positioned by a positioning jig to ensure the stability of the position of the charging pile during the heat shrinking process; in the positioning jig, the positioning ring seat is suspended so that when the rotating heating component moves toward the positioning jig under the action of the linear drive part, the heating part of the rotating heating component can smoothly pass through the suspended positioning ring seat and move to the connection between the connector and the cable, thereby ensuring the normal operation of the heating mechanism.

[0011] 2. In the heating mechanism, the linear movement of the rotating heating component is realized by the setting of the linear drive unit. The setting of the rotating drive unit enables the heating unit to perform 360° rotational heating on the product to improve the uniformity of heating and ensure the stability of the heat shrinking quality of the heat shrinkable tube.

[0012] Furthermore, the heating unit includes a plurality of hot air guns distributed in a circular array, the air outlets of the hot air guns are commonly connected to a heating ring plate, and the inner wall of the heating ring plate is provided with air ducts corresponding one to one with the air outlets of the hot air guns.

[0013] By cooperating with multiple hot air guns and heating ring plates, an annular heating chamber can be formed which is fitted onto the product. When the hot air from the hot air gun enters the air duct from its air outlet, the hot air from multiple air ducts can be blown onto the product in the annular heating chamber at the same time. The annular heating chamber is then driven by the rotating drive unit to rotate around the product, so that the hot air can form an annular airflow, thereby ensuring uniform heating of the product surface and reducing heat loss during the heating process.

[0014] It should be noted that the inner diameter of the heating ring plate should be larger than the maximum width of the positioning ring seat so that the heating ring plate can directly bypass the positioning ring seat, that is, when the heating ring plate moves toward or away from the positioning fixture, the positioning ring seat can pass freely inside the heating ring plate.

[0015] Furthermore, the heating unit further comprises a rotating base connected to the rotating drive unit, the rotating base is provided with a support base corresponding to the hot air guns one by one, and the support base is fixedly connected to the corresponding hot air gun. The rotating base can transmit the rotating force applied by the rotating drive unit to the hot air gun through the support base, so that multiple hot air guns can simultaneously rotate with the rotating base as the rotation center.

[0016] Furthermore, the positioning base is provided with cable separators corresponding to the number of cables, and each of the cable separators can clamp a single cable. Since multiple cables are provided on the charging pile at the same time, when each cable is covered with a heat shrink tube, the heat shrink tubes on different cables may fit together. When the heating mechanism is running, the heating effect of the parts where the heat shrink tubes fit together is relatively poor. Therefore, the cables can be separated one by one by the provision of cable separators (it can be understood as spreading multiple cables to increase the gap between the cables) to avoid the heat shrink tubes covered on the cables from fitting together, thereby ensuring the uniformity of heating on the surface of the heat shrink tubes.

[0017] Furthermore, the cable separator includes two clamping seats that can move toward or away from each other, and a clamping area for clamping a single cable is formed between the two clamping seats. The two clamping seats that can move toward or away from each other can ensure stable clamping of the cable and can adapt to cables of different sizes.

[0018] Furthermore, the ends of the two clamping seats that are away from each other are respectively provided with fixing seats fixed to the positioning base, and the adjacent fixing seats are connected to the clamping seats via springs, so that the clamping seats can be flexibly clamped on the cable to avoid surface damage to the cable.

[0019] Furthermore, a guide rail for the clamping seat to slide is provided between the two fixing seats to guide the moving direction of the clamping seat.

[0020] Furthermore, the positioning ring seat comprises a detachably connected upper ring seat and a lower ring seat, wherein the lower ring seat is provided with a contour cavity adapted to the shape of the joint. The detachable connection of the upper ring seat and the lower ring seat facilitates the maintenance of the contour cavity.

[0021] Furthermore, the machine is provided with a product air cooling mechanism located between the positioning base and the heating mechanism, and the product air cooling mechanism is used to cool the charging pile after heat shrinkage.

[0022] Furthermore, a machine cover is provided on the outer side of the heating mechanism, and a machine air cooling mechanism is provided on the machine cover. The air inlet of the machine air cooling mechanism is located on the side of the machine cover away from the positioning base, and the air outlet of the machine air cooling mechanism is located above the heating mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of the charging pile in the background technology of the utility model

[0024] Figure 2 This is a schematic diagram of the structure of the machine according to an embodiment of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of a positioning fixture according to an embodiment of the utility model;

[0026] Figure 4 for Figure 3 A partial enlarged view of the A part;

[0027] Figure 5 This is a schematic diagram of the structure of the heating mechanism of the utility model embodiment;

[0028] Figure 6 This is a schematic diagram of the structure of the air-cooling outer cover of the utility model embodiment;

[0029] Figure 7 It is a schematic structural diagram of a rotary heat shrink device according to an embodiment of the utility model.

[0030] In the figure:

[0031] 11-connector; 12-cable;

[0032] 2-Machine;

[0033] 3-positioning fixture; 31-positioning base; 32-connecting plate; 33-positioning ring seat; 331-upper ring seat; 332-lower ring seat; 333-profile cavity;

[0034] 4-heating mechanism; 41-linear driving unit; 411-screw motor; 412-straight rail; 42-rotation driving unit;

[0035] 43-heating part; 431-rotating base; 432-hot air gun; 433-heating ring plate; 4331-air duct; 434-support seat;

[0036] 5-cable separator; 51-clamping seat; 52-fixing seat; 53-spring; 54-guide rail;

[0037] 6-product air cooling mechanism; 61-air cooling base; 611-air cooling fan; 62-air cooling cover; 621-exhaust port; 7-machine cover; 71-machine air cooling mechanism. DETAILED DESCRIPTION

[0038] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0039] Example

[0040] See attached Figure 1-3 As shown, a rotary heat shrink device of the utility model includes a machine 2 and a positioning fixture 3 and a heating mechanism 4 arranged on the machine 2, wherein the positioning fixture 3 is used to fix the charging pile, and includes a positioning base 31. The positioning base 31 is fixedly connected to the machine 2, and a suspended positioning ring seat 33 is connected thereto through a connecting plate 32. The positioning ring seat 33 is used to fix the connector 11 of the charging pile, and the positioning base 31 is used to support the cable 12 of the charging pile. The heating mechanism 4 includes a rotating heating component that can move toward or away from the positioning fixture 3 under the action of a linear drive part 41, and the rotating heating component includes a heating part 43 that can rotate under the action of a rotating drive part 42, and the heating part 43 is used to heat the heat shrink tube sleeved on the charging pile cable 12.

[0041] During operation, firstly, manually fit the inner layer of heat shrink tubes onto the corresponding charging pile cables 12 one by one (the inner layer of heat shrink tube fitting position is the connection between the single cable 12 and the connector 11), and then position the charging pile through the positioning fixture 3, that is, fix the connector 11 of the charging pile into the positioning ring seat 33, and place the end of the cable 12 away from the connector 11 onto the positioning base 31. At this time, the connection between the connector 11 and the cable 12 with the heat shrink tube can be exposed between the positioning ring seat 33 and the positioning base 31; then the linear drive unit 41 drives the rotating heating assembly to move towards the positioning fixture 3, so that the rotating The heating assembly can be moved to the connection between the connector 11 and the cable 12, and then the heating unit 43 is driven to rotate by the rotating drive unit 42, so that the heating unit 43 performs 360° rotational heating on the heat shrink tube sleeved at the connection between the connector 11 and the cable 12, so that the heat shrink tube can shrink and cover the connection between the connector 11 and the cable 12; then the charging pile is manually taken, and the outer layer of the heat shrink tube is sleeved onto multiple cables 12 (the outer layer of the heat shrink tube is sleeved on the outside of multiple inner layer heat shrink tubes); the charging pile is positioned again by the positioning fixture 3, and the outer layer of the heat shrink tube is shrunk and covered on the inner layer of the heat shrink tube by the heating mechanism 4.

[0042] In actual application, due to the size limitation of the charging pile connector, the gaps between the multiple cables 12 are small. When each cable 12 is equipped with a heat shrink tube, it is very easy for the heat shrink tubes to fit and squeeze each other. In this way, during the subsequent operation of the heating unit 43, it is difficult for the parts where the heat shrink tubes fit and squeeze each other to obtain sufficient heat shrinking temperature, resulting in a poor heat shrinking effect compared to other parts (i.e., parts where no fit or squeezing occurs). Therefore, in order to solve this problem, in some embodiments, see the attached Figure 3-4 As shown, the positioning base 31 is provided with cable separators 5 arranged one by one corresponding to the number of cables 12, each cable separator 5 can clamp a single cable 12, and a plurality of the cable separators 5 can jointly spread out a plurality of cables 12. The cable separators 5 can separate the cables 12 one by one (it can be understood that a plurality of cables 12 are spread out to increase the gaps between the cables 12), so as to avoid the heat shrink tubes sleeved on the cables 12 from being in a state of being attached to each other, and to ensure the uniformity of heating on the surface of the heat shrink tubes.

[0043] For example, the charging pile is provided with four cables 12, which are roughly distributed in a circular array on the connector 11. Correspondingly, the positioning base 31 is provided with four cable separators 5 arranged in a straight line. When separating, two cables 12 relatively located on the same diameter are clamped on the two outermost cable separators 5, and then another two cables 12 relatively located on the same diameter are clamped on the two adjacent cable separators 5, so that the gap between any two adjacent cables 12 becomes larger.

[0044] For details, see the attached Figure 4 As shown, the cable separator 5 includes two clamping seats 51 that can move toward or away from each other, and a clamping area for clamping a single cable 12 is formed between the two clamping seats 51. The ends of the two clamping seats 51 that are away from each other are respectively provided with fixed seats 52 fixed to the positioning base 31, and the adjacent fixed seats 52 are connected to the clamping seats 51 through springs 53. The two clamping seats 51 that move toward or away from each other can not only ensure stable clamping of the cable 12, but also adapt to cables 12 of different sizes, and the clamping seat 51 and the fixed seat 52 are connected by the spring 53, so that the clamping seat 51 can be flexibly clamped on the cable 12 to avoid surface damage to the cable 12.

[0045] Furthermore, a guide rail 54 for the clamping seat 51 to slide is provided between the two fixing seats 52 to guide the moving direction of the clamping seat 51 .

[0046] It should be noted that in actual design, when multiple cable separators 5 are arranged in a straight line, two adjacent cable separators 5 can share a fixing seat 52 to save parts and achieve a compact structure. It can be understood that the arrangement of multiple cable separators 5 is: one fixing seat 52, two clamping seats 51, one fixing seat 52, two clamping seats 51, one fixing seat 52...

[0047] In some embodiments, see Appendix Figure 3 As shown, the connecting plate 32 includes two rods arranged opposite to each other, and the two ends of the rods are respectively connected to the positioning ring seat 33 and the positioning base 31. A gap is left between two adjacent rods, so that the connection between the cable 12 and the connector 11 can be located at the gap between the two rods, which is convenient for the heating part 43 to heat the heat shrink tube sleeved at the connection between the cable 12 and the connector 11.

[0048] In some embodiments, see Appendix Figure 5 As shown, the heating part 43 includes a rotating base 431, a hot air gun 432, and a heating ring plate 433, wherein the hot air gun 432 is provided with a plurality of hot air guns 432 and distributed in a circular array, and the air outlets of the plurality of hot air guns 432 are commonly connected to the heating ring plate 433, and the inner wall of the heating ring plate 433 is provided with an air duct 4331 corresponding to the air outlets of the hot air guns 432. The rotating base 431 is connected to the rotating driving part 42, and a support seat 434 corresponding to the hot air guns 432 is provided thereon. When the linear driving part 41 drives the rotating heating assembly to move toward the direction close to the positioning fixture 3, the heating ring plate 433 can move to fit onto the positioning ring seat 33, and continue to move to the connecting plate 32. The setting of the rotating base 431 can transmit the rotating force applied by the rotating driving part 42 to the hot air gun 432 through the supporting base 434, so that multiple hot air guns 432 can rotate at the same time with the rotating base 434 as the rotation center, and the heating ring plate 433 then rotates along the product.

[0049] By cooperating with multiple hot air guns 432 and heating ring plates 433, an annular heating chamber can be formed which is fitted onto the product. When the hot air from the hot air gun 432 enters the air duct 4331 from its air outlet, the hot air from multiple air ducts 4331 can be blown onto the product in the annular heating chamber at the same time, and then the annular heating chamber is driven to rotate around the product through the rotating drive unit 42, so that the hot air can form an annular airflow, thereby ensuring uniform heating of the product surface and reducing heat loss during the heating process.

[0050] It should be noted that the inner diameter of the heating ring plate 433 should be larger than the maximum width of the positioning ring seat 33, and the axial centerline of the heating ring plate 433 can pass through the center of the positioning ring seat 33, so that the heating ring plate 433 can be mounted on the positioning ring seat 33 when the heating ring plate 433 moves toward or away from the positioning fixture 3.

[0051] In some embodiments, see Appendix Figure 3 As shown, the positioning ring seat 33 includes a detachably connected upper ring seat 331 and a lower ring seat 332, and a contour cavity 333 matching the shape of the joint 11 is provided in the lower ring seat 332. The detachable connection of the upper ring seat 331 and the lower ring seat 332 facilitates the maintenance or replacement of the contour cavity 333.

[0052] In some embodiments, see Appendix Figure 5 As shown, the linear drive unit 41 includes a screw motor 411 and a straight rail 412 used in conjunction with each other. The screw motor 411 includes a motor, a screw and a nut seat threadedly mounted on the screw, and the nut seat is slidably arranged on the straight rail 412 and connected to the rotary drive unit 42. Exemplarily, the rotary drive unit 42 can adopt a rotary motor. It should be noted that the linear drive unit 42 is a prior art, and its specific working principle will not be described in detail in this embodiment.

[0053] In actual application, due to the high surface temperature of the charging pile after heat shrinkage, workers may be burned when handling it. Figure 6-7 As shown, the machine 2 is provided with a product air cooling mechanism 6 located between the positioning base 31 and the heating mechanism 4, and the product air cooling mechanism 6 is used to cool the charging pile after heat shrinkage. Specifically, the product air cooling mechanism 6 includes an air cooling base 61 and an air cooling cover 62. The air cooling base 61 is fixedly connected to the machine 2 and is located below the positioning ring seat 33. A plurality of air cooling fans 611 facing the positioning fixture 3 are provided thereon. The air cooling cover 62 is provided on the positioning fixture 3, and a plurality of exhaust ports 621 located above the positioning fixture 3 are provided thereon. The setting of the product air cooling mechanism 6 can cool the charging pile located on the positioning fixture 3.

[0054] In some embodiments, a hood 7 is further provided on the outside of the heating mechanism 4, and a machine air cooling mechanism 71 is provided on the hood 7. The air inlet of the machine air cooling mechanism 71 is located on the side of the hood 7 away from the positioning base 31, and the air outlet of the machine air cooling mechanism 71 is located above the heating mechanism 4. The hood 7 can be provided to protect the heating mechanism 4, and the machine air cooling mechanism 71 can be provided to cool the heating mechanism 4 to avoid excessive temperature inside the hood 7 after the heating mechanism 4 is in operation.

[0055] The above implementation modes are only for illustrating the technical concept and features of the utility model, and their purpose is to allow people familiar with this technology to understand the content of the utility model and implement it. It cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A rotary heat shrink device, characterized in that: include Machine; A positioning fixture is located on the machine platform, and includes a positioning base, wherein the positioning base is connected to a suspended positioning ring seat through a connecting plate, the positioning ring seat is used to fix the connector of the charging pile, and the positioning base is used to support the cable of the charging pile; The heating mechanism is located on the machine platform and includes a rotating heating component that can move toward or away from the positioning fixture under the action of a linear driving part. The rotating heating component includes a heating part that can rotate under the action of a rotating driving part. The heating part is used to heat the heat shrink tube sleeved on the cable.

2. The rotary heat shrink device according to claim 1, characterized in that: The heating part comprises a plurality of hot air guns distributed in a circumferential array, the air outlets of the hot air guns are commonly connected to a heating ring plate, and the inner wall of the heating ring plate is provided with air ducts corresponding to and connected with the air outlets of the hot air guns one by one.

3. The rotary heat shrink device according to claim 2, characterized in that: The heating unit further comprises a rotating base connected to the rotating driving unit, and the rotating base is provided with supporting seats corresponding to the hot air guns one by one, and the supporting seats are fixedly connected to the corresponding hot air guns.

4. The rotary heat shrink device according to claim 1, characterized in that: The positioning base is provided with cable separators arranged in one-to-one correspondence with the number of cables, and each of the cable separators can clamp a single cable.

5. The rotary heat shrink device according to claim 4, characterized in that: The cable separator comprises two clamping seats which can move towards or away from each other, and a clamping area for clamping a single cable is formed between the two clamping seats.

6. The rotary heat shrink device according to claim 5, characterized in that: The ends of the two clamping seats that are away from each other are respectively provided with fixing seats fixed on the positioning base, and the adjacent fixing seats are connected to the clamping seats through springs.

7. The rotary heat shrink device according to claim 6, characterized in that: A guide rail for the clamping seat to slide is arranged between the two fixing seats.

8. The rotary heat shrink device according to claim 1, characterized in that: The positioning ring seat comprises an upper ring seat and a lower ring seat which are detachably connected, and a contoured cavity which matches the shape of the joint is arranged in the lower ring seat.

9. The rotary heat shrink device according to claim 1, characterized in that: The machine platform is provided with a product air cooling mechanism located between the positioning base and the heating mechanism, and the product air cooling mechanism is used to cool the charging pile after heat shrinkage.

10. The rotary heat shrink device according to claim 1, characterized in that: The outer side of the heating mechanism is also covered with a machine cover, and the machine cover is provided with a machine air cooling mechanism. The air inlet of the machine air cooling mechanism is located on the side of the machine cover away from the positioning base, and the air outlet of the machine air cooling mechanism is located above the heating mechanism.

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