CN220720264U - Expansion device of shrinkage silicon rubber pipe - Google Patents

Abstract

The utility model relates to the technical field of silicone rubber tube processing and discloses an expansion device of a cold-shrink silicone rubber tube, which comprises a workbench, wherein a triangular support plate is fixedly connected to the top of the workbench, a vertical plate is fixedly connected to the front side of the triangular support plate, the vertical plate is fixedly connected to the workbench, a through hole is formed in the center of the vertical plate, a plurality of mounting plates are radially arranged at the edge of the through hole, a driving mechanism is arranged on each of the plurality of mounting plates, an expansion mechanism is arranged on one side, close to the through hole, of the driving mechanism, the expansion mechanism is driven to move through four cylinders simultaneously, and the corresponding cold-shrink silicone rubber tube is stressed more uniformly, so that the quality of the cold-shrink silicone rubber tube is ensured, and the inner wall of the cold-shrink silicone rubber tube is prevented from being scratched by an expansion claw in the process of mounting and dismounting the cold-shrink silicone rubber tube by arranging an expansion rod with a smooth surface and arranging a round head at the top end of the expansion rod.

Description

Expansion device of shrinkage silicon rubber pipe

Technical Field

The utility model relates to the technical field of processing of silicone rubber tubes, in particular to an expansion device of a cold-shrink silicone rubber tube.

Background

Silicone rubber is an excellent insulating protective material and plays an important role in the electrical field. The silicon rubber cold shrinkage tube is made of high-quality silicon rubber raw materials, and has the advantages of large shrinkage factor, excellent physical and mechanical properties, puncture resistance and the like. The cable fitting is suitable for waterproof and moistureproof sealing of communication and cable television connection joints, insulating sealing of wire and cable connection, insulating protection of other types of connection and the like, and is used for manufacturing prefabricated or pluggable cable joints and manufacturing cold-shrinkable materials in the aspect of cable accessories.

The prior art has the following defects: when producing shrinkage silicone rubber pipe, need carry out the hole enlargement through expansion device to it, prior art's expansion device need put into the shrinkage silicone rubber pipe in advance with the steel wire when expanding, take out the steel wire by force after waiting to expand again, the shrinkage silicone rubber pipe inner wall will produce the mar, and this will be unfavorable for the safety of product to put into use very much, consequently, need design the expansion device of a shrinkage silicone rubber pipe.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides an expansion device of a cold-shrink silicone rubber tube, which solves the problems in the prior art.

The utility model provides the following technical scheme: the utility model provides an expansion device of shrinkage silicone rubber tube, includes the workstation, the top fixedly connected with triangle backup pad of workstation, the front side fixedly connected with riser of triangle backup pad, just riser fixed connection is on the workstation, the central point department of riser has seted up the through-hole, the border department of through-hole radially is provided with a plurality of mounting panels, a plurality of all is provided with actuating mechanism on the mounting panel, actuating mechanism is close to one side of through-hole and is provided with expansion mechanism.

Preferably, the number of the mounting plates is four, and the mounting plates are fixedly connected to the front wall of the vertical plate.

Preferably, the mounting plate is provided with a connecting pipe, an internal thread is arranged in the connecting pipe, and the connecting pipe is movably connected with a distance adjusting screw rod through the internal thread.

Preferably, the driving mechanism comprises an air cylinder, a movable rod and a clamping part, wherein the air cylinder is fixedly arranged on one side of the mounting plate far away from the through hole, the movable rod is arranged on one side of the air cylinder, and the clamping part is fixedly connected with the other end of the movable rod.

Preferably, the expansion mechanism comprises an expansion bracket, a connecting part, a connecting plate and expansion claws, wherein the connecting part is fixedly connected to one side of the expansion bracket, the connecting part is fixedly connected with the clamping part, the connecting plate is arranged at the top of the expansion bracket, and the expansion claws are fixedly arranged on the connecting plate.

Preferably, the expansion claw is provided with an expansion rod with a smooth surface, and the top end of the expansion rod is provided with a round head.

The utility model has the technical effects and advantages that:

1. according to the utility model, the four cylinders are arranged to drive the expansion mechanism to move simultaneously, so that errors are reduced to a certain extent, and the stress of the corresponding cold-shrink silicone rubber tube is more uniform, so that the quality of the cold-shrink silicone rubber tube is ensured.

2. According to the utility model, the expansion rod with a smooth surface is arranged, and the round head is arranged at the top end of the expansion rod, so that the expansion claw is prevented from scratching the inner wall of the cold-shrink silicone rubber tube in the process of installing and dismantling the cold-shrink silicone rubber tube.

3. According to the utility model, through the through holes, after the cold-shrink silicone rubber tube is expanded by the expansion mechanism, a worker can place the supporting piece in the cold-shrink silicone rubber tube through the through holes.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic side view of the present utility model.

Fig. 3 is a schematic structural view of a driving mechanism in the present utility model.

Fig. 4 is a schematic structural view of the expansion mechanism in the present utility model.

The reference numerals are: 1. a work table; 2. a triangular support plate; 3. a vertical plate; 4. a through hole; 5. a mounting plate; 501. a connecting pipe; 502. an internal thread; 6. a driving mechanism; 601. a cylinder; 602. a movable rod; 603. a clamping part; 7. an expansion mechanism; 701. expanding the stent; 702. a connection part; 703. a connecting plate; 704. an expansion claw; 705. an expansion rod; 706. round head; 8. and a distance adjusting screw rod.

Detailed Description

The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the configurations of the structures described in the following embodiments are merely examples, and the expansion device for a cold-shrink silicone rubber tube according to the present utility model is not limited to the structures described in the following embodiments, and all other embodiments obtained by a person having ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

The utility model provides an expansion device of a cold-shrink silicone rubber tube, which is shown in fig. 1-4, and comprises a workbench 1, wherein a triangular support plate 2 is fixedly connected to the top of the workbench 1, a vertical plate 3 is fixedly connected to the front side of the triangular support plate 2, the vertical plate 3 is fixedly connected to the workbench 1, a through hole 4 is formed in the center of the vertical plate 3, after the cold-shrink silicone rubber tube is expanded through an expansion mechanism 7, a worker can place a supporting piece in the cold-shrink silicone rubber tube through the through hole 4, a plurality of mounting plates 5 are arranged at the edge of the through hole 4 along the radial direction, driving mechanisms 6 are arranged on the mounting plates 5, and an expansion mechanism 7 is arranged on one side, close to the through hole 4, of the driving mechanism 6.

Further, the quantity of mounting panel 5 is four, and mounting panel 5 fixed connection has offered connecting pipe 501 in riser 3's antetheca department on mounting panel 5, is provided with internal screw thread 502 in the connecting pipe 501, and connecting pipe 501 has pitch adjustment lead screw 8 through internal screw thread 502 swing joint, through setting up pitch adjustment lead screw 8 in internal screw thread 502, through the length of adjusting pitch adjustment lead screw 8, can control the range that actuating mechanism 6 drove expansion mechanism 7 and remove, and then ensure that four expansion claws 704 can simultaneously equidistant carry out the displacement, and corresponding shrinkage silicone rubber tube atress is more even.

Further, actuating mechanism 6 includes cylinder 601, movable rod 602 and clamping part 603, and cylinder 601 fixed mounting is kept away from one side of through-hole 4 at mounting panel 5, and one side of cylinder 601 is provided with movable rod 602, and the other end fixedly connected with clamping part 603 of movable rod 602 starts simultaneously and sets up cylinder 601 on the riser 3, drives expansion mechanism 7 activity simultaneously through four cylinders 601, reduces the error to a certain extent, and corresponding shrinkage silicone rubber tube atress is more even to the quality of shrinkage silicone rubber tube has been guaranteed.

Further, the expansion mechanism 7 comprises an expansion bracket 701, a connecting part 702, a connecting plate 703 and expansion claws 704, one side of the expansion bracket 701 is fixedly connected with the connecting part 702, the connecting part 702 is fixedly connected with a clamping part 603, the top of the expansion bracket 701 is provided with the connecting plate 703, the expansion claws 704 are fixedly installed on the connecting plate 703, the expansion claws 704 are provided with expansion rods 705 with smooth surfaces, the surfaces of the expansion rods 705 are smooth and have no edges and corners, the inner wall of a cold-shrink silicone rubber tube cannot be scratched, the quality of the cold-shrink silicone rubber tube is guaranteed, round heads 706 are arranged at the top ends of the expansion rods 705, all the expansion claws 704 are located at the circle centers of the through holes 4 before the expansion mechanism 7 expands, the four expansion rods 705 form expansion columns with smooth surfaces, the cold-shrink silicone rubber tube to be expanded is sleeved on the surfaces of the expansion columns, the four expansion rods 7 are driven to move towards the corners of the vertical plates 3 at the same time through the driving mechanism 6, and the four expansion rods 705 are driven to move, and the cold-shrink silicone rubber tube is prevented from being scratched by the expansion rods 705 with the smooth surfaces, and round heads 706 are arranged at the top ends of the expansion rods 705, and the inner wall of the cold-shrink silicone rubber tube is prevented from being scratched by the expansion rods 704.

The working principle of the utility model is as follows: before the expansion mechanism 7 expands, all expansion claws 704 are positioned at the circle center of the through hole 4, four expansion rods 705 form an expansion column with a smooth surface, cold-shrink silicon rubber tube which needs to be expanded is sleeved on the surface of the expansion column, meanwhile, the air cylinders 601 arranged on the vertical plate 3 are started, the four air cylinders 601 drive the expansion mechanism 7 to simultaneously move towards the four corners of the vertical plate 3, and then drive the four expansion rods 705 to move, so that the cold-shrink silicon rubber tube is driven to expand, and after the cold-shrink silicon rubber tube is expanded through the expansion mechanism 7, a worker places a supporting piece in the cold-shrink silicon rubber tube through the through hole 4.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (6)

1. The utility model provides an expansion device of shrinkage silicone rubber tube, includes workstation (1), its characterized in that: the utility model discloses a three-dimensional automatic cutting machine, including workstation (1), triangle backup pad (2) of top fixedly connected with of workstation (1), the front side fixedly connected with riser (3) of triangle backup pad (2), just riser (3) fixed connection is on workstation (1), through-hole (4) have been seted up in the central point department of riser (3), the border department of through-hole (4) radially is provided with a plurality of mounting panel (5), a plurality of all be provided with actuating mechanism (6) on mounting panel (5), one side that actuating mechanism (6) are close to through-hole (4) is provided with expansion mechanism (7).

2. The expansion device of cold-shrink silicone rubber tube according to claim 1, wherein: the number of the mounting plates (5) is four, and the mounting plates (5) are fixedly connected to the front wall of the vertical plate (3).

3. The expansion device of cold-shrink silicone rubber tube according to claim 2, wherein: the mounting plate (5) is provided with a connecting pipe (501), an internal thread (502) is arranged in the connecting pipe (501), and the connecting pipe (501) is movably connected with a distance adjusting screw rod (8) through the internal thread (502).

4. The expansion device of cold-shrink silicone rubber tube according to claim 1, wherein: the driving mechanism (6) comprises an air cylinder (601), a movable rod (602) and a clamping part (603), wherein the air cylinder (601) is fixedly arranged on one side, far away from the through hole (4), of the mounting plate (5), the movable rod (602) is arranged on one side of the air cylinder (601), and the clamping part (603) is fixedly connected with the other end of the movable rod (602).

5. The expansion device of cold-shrink silicone rubber tube according to claim 1, wherein: the expansion mechanism (7) comprises an expansion bracket (701), a connecting part (702), a connecting plate (703) and expansion claws (704), wherein the connecting part (702) is fixedly connected to one side of the expansion bracket (701), the connecting part (702) is fixedly connected with a clamping part (603), the connecting plate (703) is arranged at the top of the expansion bracket (701), and the expansion claws (704) are fixedly arranged on the connecting plate (703).

6. The expansion device of cold shrink silicone rubber tube according to claim 5, wherein: the expanding claw (704) is provided with an expanding rod (705) with a smooth surface, and the top end of the expanding rod (705) is provided with a round head (706).