Expanding equipment for cold shrink pipe processing

Abstract

The utility model discloses expansion equipment for cold shrink tube processing, and relates to the technical field of cold shrink tube processing. The utility model comprises a frame; the supporting and limiting plates are distributed on the rack in an annular outline mode, and the multiple supporting and limiting plates can synchronously slide in the radial direction of the annular outline through driving; and the expanding mechanism at least comprises three cold contraction pipe expanding plates which are annularly distributed and can synchronously expand or contract. According to the utility model, the cold shrink tube expansion plate of the expanding mechanism shrinks, so that the cold shrink tube is sleeved on the surface of the supporting limiting plate, the opening and closing mechanism of the expanding mechanism drives the cold shrink tube expansion plate to completely shrink, then the spiral support is sleeved in the cold shrink tube expansion plate, and the spiral support shrinks along the supporting limiting plate through the adjusting mechanism; and the supporting limiting plate is attached to the spiral supporting object, the cold contraction pipe and the spiral supporting object are taken out synchronously, and then the cold contraction pipe and the spiral supporting object are assembled.

Description

Technical Field

[0001] The utility model relates to the technical field of cold shrink tube processing, in particular to a cold shrink tube processing and expansion device. Background Art

[0002] Cold shrink tubing is a common insulating protective material, mainly used for insulation, sealing, waterproofing, corrosion protection and bundling of wires and cables during wiring. Cold shrink tubing has the characteristics of easy installation, no need for high-temperature curing, and fast shrinkage speed. It is usually made of materials such as silicone rubber or EPDM rubber, and has excellent weather resistance and chemical resistance. Depending on the diameter of the line to be protected, cold shrink tubing has different sizes and specifications, suitable for the protection of various low-voltage power lines, signal lines and communication lines. When in use, you can first place the wire or cable into the cold shrink tubing, then heat it to shrink it, and finally keep it in a cool state to allow it to fit stably on the wire.

[0003] Chinese patent publication number CN221623011U discloses a tube diameter expansion device for processing cold shrink tubing, comprising: a positioning sleeve having a threading cavity formed therein; a connecting frame provided on the surface of the positioning sleeve; a handheld box fixedly connected to the connecting frame; a handle fixedly connected to one side of the handheld box; and a diameter expansion assembly provided on the handheld box;

[0004] With respect to the above-mentioned disclosed technology, the sleeve in the cold shrink finger sleeve is formed by injection vulcanization of elastomeric material in the factory, and then expanded and lined with a plastic spiral support. Air is then sent into the airbag through an air pump, and the expansion of the airbag expands the diameter of the cold shrink tube. However, it is difficult to place the plastic spiral support in the cold shrink tube during production and processing, which affects the assembly between the cold shrink tube and the plastic spiral support.

[0005] Therefore, a cold shrink tube processing and expansion device is proposed. Utility Model Content

[0006] The purpose of the present invention is to solve the problems raised in the above background technology, and to provide a cold shrink tube processing and expansion device.

[0007] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:

[0008] A cold shrink tube processing and expansion device comprises: a frame; at least three support and limit plates are arranged on the frame in an annular profile, and the plurality of support and limit plates can be driven to slide synchronously in the radial direction of the annular profile; an expansion mechanism, the expansion mechanism comprises at least three cold shrink tube expansion plates that are distributed in an annular manner and can expand or contract synchronously, and the central axes of the plurality of cold shrink tube expansion plates are coaxial with the central axes of the plurality of support and limit plates; a second hydraulic rod can drive the expansion mechanism to move along the central axes of the plurality of support and limit plates between a first position and a second position.

[0009] Furthermore, the diameter expansion mechanism also includes an opening and closing mechanism for driving the cold shrink tube expansion plate to realize opening and closing movement.

[0010] Furthermore, the opening and closing mechanism includes: a shell, a through groove is provided on the surface of the shell; a two-way threaded rod, which is rotatably mounted on the shell; a cross movable frame, which is configured in two groups and is slidably connected to the shell along the axial direction of the two-way threaded rod, the two-way threaded rod passes through the two groups of cross movable frames and is threadedly connected thereto, and a support rod is hinged between each cold shrink tube expansion plate and the cross movable frame; a motor is mounted on the shell, for driving the two-way threaded rod to rotate, thereby driving the two groups of cross movable frames to move closer or farther away from each other, thereby realizing the expansion or contraction of several cold shrink tube expansion plates.

[0011] Furthermore, the end portion of the support and limiting plate is provided in a convex structure, and the convex structure at the end portion of the support and limiting plate is movably provided inside the groove on the frame.

[0012] Furthermore, an adjustment mechanism for driving the support and limiting plate to move radially is provided on the side of each support and limiting plate.

[0013] Furthermore, the adjustment mechanism also includes: a mounting frame arranged on the frame; a first hydraulic rod fixedly mounted on the mounting frame, and the first hydraulic rod is arranged corresponding to the groove to drive the support limit plate to move radially.

[0014] Furthermore, the surface of the support and limiting plate is smooth.

[0015] Furthermore, the cold shrink tube expansion plate is arranged to correspond to the gap between two adjacent groups of the support and limiting plates.

[0016] The beneficial effects of the utility model are as follows:

[0017] The diameter expansion mechanism is driven by the second hydraulic rod to be located in the first position, which is now located outside the support and limit plate. Initially, the opening and closing mechanism of the diameter expansion mechanism drives the several cold shrink tube expansion plates to shrink to the minimum state. At this time, the cold shrink tube is put on the surface of the cold shrink tube expansion plate, and then the opening and closing mechanism of the diameter expansion mechanism drives the several cold shrink tube expansion plates to unfold, so that the cold shrink tube is expanded. At this time, the cold shrink tube expansion plate makes the diameter of the cold shrink tube expanded larger than the diameter of the several support and limit plates. Then, the diameter expansion mechanism is driven by the second hydraulic rod to move horizontally to the second position. At this time, it is located inside the support and limit plate, so that the cold shrink tube is located outside the support and limit plate, and the cold shrink tube expansion plate of the expansion mechanism is shrunk, so that the cold shrink tube is sleeved on the surface of the support and limit plate, and at this time the opening and closing mechanism of the expansion mechanism drives the cold shrink tube expansion plate to shrink completely, and then the spiral support is sleeved inside the cold shrink tube expansion plate, and the adjustment mechanism is used to shrink it along the support and limit plate, so that the support and limit plate are fitted with the spiral support, and the cold shrink tube and the spiral support are taken out simultaneously, thereby realizing the assembly between the cold shrink tube and the spiral support. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a front view of the utility model;

[0020] Figure 3 It is a front view of the local structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the opening and closing mechanism of the utility model;

[0022] Figure numerals: 1. Frame; 2. Adjustment mechanism; 201. Groove; 202. Mounting frame; 203. First hydraulic rod; 3. Support limit plate; 4. Second hydraulic rod; 5. Opening and closing mechanism; 501. Housing; 502. Through groove; 503. Motor; 504. Bidirectional threaded rod; 505. Cross movable frame; 506. Support rod; 6. Shrink tube expansion plate; 7. Controller. DETAILED DESCRIPTION

[0023] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0024] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0025] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings. In addition, the terms "first," "second," etc. are used only to distinguish the descriptions and are not to be understood as indicating or implying relative importance.

[0026] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the present invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as a limitation on the present invention.

[0027] like Figures 1 to 4 As shown, a cold shrink tube processing and expansion device mainly includes a frame 1, a support and limiting plate 3, an expansion mechanism and a second hydraulic rod 4.

[0028] At least three support and limiting plates 3 are provided and distributed in a ring shape on the frame 1. Each of the support and limiting plates 3 can be driven to slide synchronously along the radial direction of the ring shape. In some practical applications, the ends of the support and limiting plates 3 are configured as convex structures, and the convex structures at the ends of the support and limiting plates 3 are movably disposed within the grooves 201 on the frame 1. The grooves 201 limit the support and limiting plates 3 by allowing the ends of the convex structures of the support and limiting plates 3 to slide within the grooves 201.

[0029] The diameter expansion mechanism includes at least three annularly distributed cold shrink tube expansion plates 6 that can expand or contract synchronously, and the central axes of several cold shrink tube expansion plates 6 are coaxial with the central axes of several support and limit plates 3; the second hydraulic rod 4 can drive the diameter expansion mechanism to move axially along the several support and limit plates 3 between the first position and the second position; specifically, the diameter expansion mechanism also includes an opening and closing mechanism 5 for driving the cold shrink tube expansion plates 6 to realize opening and closing movements.

[0030] In some practical applications, the opening and closing mechanism 5 includes: a shell 501, a through groove 502 is provided on the surface of the shell 501; a bidirectional threaded rod 504, which is rotatably installed on the shell 501; a cross movable frame 505, which is configured in two groups and is connected to the shell 501 along the axial sliding direction of the bidirectional threaded rod 504, and the bidirectional threaded rod 504 passes through the two groups of cross movable frames 505 and is threadedly connected thereto, and a support rod 506 is hinged between each shrink tube expansion plate 6 and the cross movable frame 505; a motor 503, which is installed on the shell 501, and is used to drive the bidirectional threaded rod 504 to rotate, thereby driving the two groups of cross movable frames 505 to approach or move away from each other, thereby realizing the expansion or contraction of several shrink tube expansion plates 6.

[0031] The two-way threaded rod 504 is driven to rotate by the motor 503, so that the two groups of cross movable frames 505 are moved closer to or away from each other. When the two groups of cross movable frames 505 are moved closer to each other, the angle between their support rods 506 and the end faces of the cross movable frames 505 becomes smaller, thereby realizing the expansion movement of several cold shrink tube expansion plates 6. Conversely, when the two groups of cross movable frames 505 are moved away from each other, the angle between their support rods 506 and the end faces of the cross movable frames 505 becomes larger, thereby realizing the contraction movement of several cold shrink tube expansion plates 6.

[0032] Each support and stop plate 3 is provided with an adjustment mechanism 2 for driving radial movement of the support and stop plate 3. In some practical applications, the adjustment mechanism 2 further includes: a mounting bracket 202 mounted on the frame 1; a first hydraulic rod 203 fixedly mounted on the mounting bracket 202, and the first hydraulic rod 203 is arranged to correspond to the groove 201 to drive radial movement of the support and stop plate 3. Specifically, the mounting bracket 202 supports and mounts the first hydraulic rod 203, aligning the first hydraulic rod 203 with the groove 201. The first hydraulic rod 203 drives the radial movement of the support and stop plate 3, thereby shrinking the expanded cold shrink tubing so that it can be fitted onto the spiral support.

[0033] In summary, the opening and closing mechanism 5 enables the expansion plate 6 of the cold shrink tube to be expanded or contracted, thereby enabling the diameter expansion processing of the cold shrink tube to be realized. The expansion mechanism is driven by the second hydraulic rod 4 to be located in the first position, which is located outside the support and limit plate 3. Initially, the opening and closing mechanism 5 of the expansion mechanism drives the plurality of cold shrink tube expansion plates 6 to contract to the minimum state. At this time, the cold shrink tube is sleeved on the surface of the cold shrink tube expansion plate 6. Subsequently, the opening and closing mechanism 5 of the expansion mechanism drives the plurality of cold shrink tube expansion plates 6 to be expanded, so that the diameter of the cold shrink tube is expanded. At this time, the cold shrink tube expansion plate 6 makes the diameter of the cold shrink tube expanded larger than the diameter of the plurality of support and limit plates 3. Subsequently, the expansion mechanism is driven by the second hydraulic rod 4 to move horizontally to the second position, which is now located inside the support limit plate 3, so that the shrink tube is located outside the support limit plate 3, and the shrink tube expansion plate 6 of the expansion mechanism is shrunk so that the shrink tube is sleeved on the surface of the support limit plate 3, and at this time the opening and closing mechanism 5 of the expansion mechanism drives the shrink tube expansion plate 6 to shrink completely, and then the spiral support is sleeved inside the shrink tube expansion plate 6, and is shrunk along the support limit plate 3 by the adjustment mechanism 2, so that the support limit plate 3 is fitted with the spiral support, and the shrink tube and the spiral support are taken out simultaneously, thereby realizing the assembly between the shrink tube and the spiral support.

[0034] In other practical applications, based on any of the above embodiments, the support and limit plate 3 is optimized, that is, the surface of the support and limit plate 3 is smooth. The smooth surface of the support and limit plate 3 makes it easy to remove the spiral support and the shrink tube axially.

[0035] In some practical applications, the gaps between the shrink tube expansion plate 6 and the two adjacent groups of support and limit plates 3 are set correspondingly. Figure 1 As shown, three groups of cold shrink tube expansion plates 6 and three groups of support and limit plates 3 are staggered, and each cold shrink tube expansion plate 6 faces the gap between two adjacent support and limit plates 3, thereby avoiding protective obstruction and enabling relative movement.

[0036] In summary: the diameter expansion mechanism is driven by the second hydraulic rod 4 to be in the first position, at which time it is located outside the support and limit plate 3. Initially, the opening and closing mechanism 5 of the diameter expansion mechanism drives several cold shrink tube expansion plates 6 to shrink to the minimum state. At this time, the cold shrink tube is sleeved on the surface of the cold shrink tube expansion plate 6. Then, the opening and closing mechanism 5 of the diameter expansion mechanism drives several cold shrink tube expansion plates 6 to expand, so that the cold shrink tube is expanded. At this time, the cold shrink tube expansion plate 6 makes the diameter of the cold shrink tube expanded larger than the diameter of the several support and limit plates 3. Then, the diameter expansion mechanism is driven by the second hydraulic rod 4 to move horizontally to the first position. The second position is now located inside the support and limit plate 3, so that the cold shrink tube is located outside the support and limit plate 3, and is shrunk by the cold shrink tube expansion plate 6 of the expansion mechanism, so that the cold shrink tube is sleeved on the surface of the support and limit plate 3, and at this time the opening and closing mechanism 5 of the expansion mechanism drives the cold shrink tube expansion plate 6 to shrink completely, and then the spiral support is sleeved inside the cold shrink tube expansion plate 6, and is shrunk along the support and limit plate 3 by the adjustment mechanism 2, so that the support and limit plate 3 is fitted with the spiral support, and the cold shrink tube and the spiral support are taken out simultaneously, thereby realizing the assembly between the cold shrink tube and the spiral support.

[0037] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions merely illustrate the principles of the present invention. Various changes and improvements are possible without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed for the present invention is defined by the appended claims and their equivalents.

Claims

1. A cold shrink tube processing and expansion device, characterized in that: include: Rack (1); At least three support and limit plates (3) are provided and distributed on the frame (1) in an annular profile, and the plurality of support and limit plates (3) can be driven to slide synchronously along the radial direction of the annular profile; An expansion mechanism, the expansion mechanism comprising at least three annularly distributed cold shrink tube expansion plates (6) capable of synchronous expansion or contraction, wherein the central axes of the plurality of cold shrink tube expansion plates (6) are coaxial with the central axes of the plurality of support and limiting plates (3); The second hydraulic rod (4) can drive the diameter expansion mechanism to move between a first position and a second position along the central axis of the plurality of support limit plates (3).

2. The cold shrink tube processing and expansion equipment according to claim 1, characterized in that: The diameter expansion mechanism further comprises an opening and closing mechanism (5) for driving the shrink tube expansion plate (6) to achieve opening and closing movement.

3. The cold shrink tube processing and expansion equipment according to claim 2, characterized in that: The opening and closing mechanism (5) comprises: A shell (501), wherein a through groove (502) is formed on the surface of the shell (501); A bidirectional threaded rod (504) is rotatably mounted on the housing (501); Two cross movable frames (505) are provided and are slidably connected to the housing (501) along the axial direction of the bidirectional threaded rod (504). The bidirectional threaded rod (504) passes through the two cross movable frames (505) and is threadedly connected thereto. A support rod (506) is hinged between each cold shrink tube expansion plate (6) and the cross movable frame (505). The motor (503) is mounted on the housing (501) and is used to drive the bidirectional threaded rod (504) to rotate, thereby driving the two sets of cross movable frames (505) to move closer to or farther away from each other, thereby achieving the expansion or contraction of the plurality of cold shrink tube expansion plates (6).

4. The cold shrink tube processing and expansion equipment according to claim 1, characterized in that: The end of the support and limit plate (3) is provided in a convex structure, and the convex structure at the end of the support and limit plate (3) is movably provided inside the groove (201) on the frame (1).

5. The cold shrink tube processing and expansion equipment according to claim 4, characterized in that: An adjustment mechanism (2) for driving the support and limit plate (3) to move radially is provided on the side of each support and limit plate (3).

6. The cold shrink tube processing and expansion equipment according to claim 5, characterized in that: The regulating mechanism (2) further comprises: A mounting frame (202) is provided on the frame (1); The first hydraulic rod (203) is fixedly mounted on the mounting frame (202), and the first hydraulic rod (203) is arranged corresponding to the groove (201) to drive the support limit plate (3) to move radially.

7. The cold shrink tube processing and expansion equipment according to claim 1, characterized in that: The surface of the support and limiting plate (3) is smooth.

8. The cold shrink tube processing and expansion equipment according to claim 1, characterized in that: The cold shrink tube expansion plate (6) is arranged correspondingly to the gap between the two adjacent groups of support and limiting plates (3).

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