CN212266684U

CN212266684U - Cold shrinkage pipe sack expander

Info

Publication number: CN212266684U
Application number: CN202020381004.XU
Authority: CN
Inventors: 吴文龙; 吴晓晖; 沈志文
Original assignee: Suzhou Yabo Cold Heat Shrinking Products Co ltd
Current assignee: Suzhou Yabo Cold Heat Shrinking Products Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2021-01-01
Anticipated expiration: 2030-03-24

Abstract

The utility model relates to a shrinkage pipe sack expander, lie in with prior art's difference: the device comprises a front sliding plate and a rear sliding plate which are respectively arranged on a sliding rail in a sliding manner, two expanding cylinders with output ends respectively penetrating through two sides of the rear sliding plate and fixedly connected with the front sliding plate, two belt drawing cylinders with output ends fixedly connected with the front sliding plate, a fixing device arranged between the front sliding plate and the rear sliding plate, and a pull rope and a pull rod which are respectively arranged at the other end of a cloth bag; the head of the expansion pipe is in a hollow conical shape; the pull rod is arranged on the outer side of the cloth bag; the pull rope is arranged on the inner side of the cloth bag, and the other end of the pull rope penetrates through the expansion pipe to be connected with the fixing device; the utility model discloses when the expansion cylinder drives the expansion pipe and withdraws from between cold shrinkage pipe and the stay tube, take out and take the cylinder and can drive the stay cord simultaneously and make the sack take out, not only improved work efficiency greatly, and reduced intensity of labour.

Description

Cold shrinkage pipe sack expander

Technical Field

The utility model relates to a shrinkage pipe expansion field refers in particular to a shrinkage pipe sack expander.

Background

The cold shrink tube is generally referred to as a cold shrink tube, and is a part of various cable accessories formed by injecting and vulcanizing an elastic material in a factory, expanding the diameter of the cable accessories, and lining the cable accessories with a plastic spiral support tube.

At present, after the cold-shrink tube is expanded by a steel wire expander, the supporting tube is arranged in the cold-shrink tube, the method has low production efficiency, and in the expansion process, the steel wire directly contacts with the cold-shrink tube and the supporting tube, so that the cold-shrink tube is easily damaged, the cold-shrink tube is damaged, the qualification rate of finished products is reduced, and the cost is increased; although there are expanders that can prevent the breakage of the cold shrink tube on the market, such as the prior art 201821115660.4 which discloses an atraumatic bag expander, there are the following problems: 1. when the cold shrinkage pipe sleeved on the cloth bag body is expanded by the pipe expanding mechanism, the pipe expanding head needs to be installed, and when the cloth bag body is folded back in the pipe expanding shaft, the pipe expanding head needs to be taken down, so that each cold shrinkage pipe needs to be continuously disassembled and assembled, the work efficiency is reduced, and danger is easy to occur; 2. the sack is taken out along with the back-off of expanding the pipe axle, and because the shrink power of cold shrink pipe is great, leads to the sack to block very easily between cold shrink pipe and stay tube, needs the staff to take the sack out between cold shrink pipe and stay tube, and not only intensity of labour is big, and has reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art and providing a cold shrink tube cloth bag expanding machine which is convenient to operate and high in working efficiency.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a cold-shrink tube cloth bag expander comprises a rack, a front supporting plate and a rear supporting plate which are respectively and vertically arranged at two ends of the rack, two slide rails horizontally arranged between the front supporting plate and the rear supporting plate, a front sliding plate and a rear sliding plate which are respectively and slidably arranged on the two slide rails and are vertically arranged, a through hole arranged in the middle of the front supporting plate, a cloth bag with one end fixed on the inner wall of the through hole, an expanding tube which is horizontally arranged on the front sliding plate and can pass through the cloth bag, two expanding cylinders which are arranged on the rear supporting plate and of which the output ends respectively pass through two sides of the rear sliding plate and are fixedly connected with the front sliding plate, two belt drawing cylinders which are arranged on the rear sliding plate and of which the output ends are fixedly connected with the front sliding plate, a fixing device arranged between the front sliding; the head of the expansion pipe is in a hollow conical shape, and the minimum inner diameter of the expansion pipe is larger than the outer diameter of the support pipe; the pull rod is arranged outside the cloth bag, and the outer diameter of the pull rod is smaller than the inner diameter of the supporting tube; the pull rope is arranged on the inner side of the cloth bag, and the other end of the pull rope penetrates through the expansion pipe to be connected with the fixing device.

Preferably, the fixing device comprises a lower clamping plate horizontally arranged on the side surface of the rear sliding plate, a supporting plate horizontally arranged at the upper end of the rear sliding plate, an upper clamping plate positioned between the lower clamping plate and the supporting plate, and a clamping cylinder vertically arranged on the supporting plate and the output end of the clamping cylinder is connected with the upper clamping plate; one end of the pull rope is arranged between the upper clamping plate and the lower clamping plate.

Preferably, the upper clamping plate is made of rubber material.

Preferably, the two belt drawing cylinders are arranged diagonally with the expansion pipe as the center.

Preferably, the diameter of the through hole is smaller than the outer diameter of the expanded cold-shrink tube.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. when the expanding cylinder drives the expanding pipe to withdraw from between the cold shrinkage pipe and the supporting pipe, the belt drawing cylinder can simultaneously drive the stay cord to draw out the cloth bag, thereby not only greatly improving the working efficiency, but also reducing the labor intensity;

2. the head of the expansion pipe is in a hollow conical shape, so that the expansion of the cold shrinkage pipe is facilitated, and the pipe expanding head does not need to be repeatedly disassembled and assembled like the prior art, so that the working efficiency can be further improved;

3. the utility model discloses the stay cord is because tight with the lower plate clamp through the punch holder, when taking out the cylinder pulling force when too big, roll-off between punch holder and the lower plate can be followed to the stay cord, can effectively avoid the sack to damage, improves life.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

FIG. 1 is a structural diagram of the utility model in which after the cold-shrink tube is expanded, the cloth bag is folded back into the expansion tube by the pull rod;

FIG. 2 is a structural diagram of the cloth bag being drawn out by the drawable cylinder driving the draw cord;

FIG. 3 is a perspective view of FIG. 2;

fig. 4 is a schematic structural view of the head of the middle expansion tube of the present invention.

Wherein: 1. a frame; 2. expanding the cylinder; 3. a rear support plate; 4. a belt drawing cylinder; 5. a rear slide plate; 6. a clamping cylinder; 7. a front slide plate; 8. a slide rail; 9. a front support plate; 10. supporting a tube; 11. a cloth bag; 12. a pull rod; 13. an expansion tube; 14. pulling a rope; 15. a support plate; 16. a lower splint; 17. an upper splint; 18. and a through hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIGS. 1-4 show a cold-shrink tube cloth bag expander of the present invention, which comprises a frame 1, a front support plate 9 and a rear support plate 3 vertically arranged at two ends of the frame 1, two slide rails 8 horizontally arranged between the front support plate 9 and the rear support plate 3, a front slide plate 7 and a rear slide plate 5 vertically arranged on the two slide rails 8, a through hole 18 arranged at the middle part of the front support plate 9, and a cloth bag 11 with one end fixed on the inner wall of the through hole 18, the expansion pipe 13 is horizontally arranged on the front sliding plate 7 and can penetrate through the cloth bag 11, the two expansion cylinders 2 are arranged on the rear supporting plate 3, the output ends of the expansion cylinders respectively penetrate through two sides of the rear sliding plate 5 and are fixedly connected with the front sliding plate 7, the two belt drawing cylinders 4 are arranged on the rear sliding plate 5, the output ends of the belt drawing cylinders are fixedly connected with the front sliding plate 7, the fixing device is arranged between the front sliding plate 7 and the rear sliding plate 5, and the pull rope 14 and the pull rod 12 are respectively arranged at the other end of the cloth bag 11; the head of the expansion pipe 13 is in a hollow conical shape, and the minimum inner diameter of the expansion pipe is larger than the outer diameter of the support pipe; the pull rod 12 is arranged outside the cloth bag 11, and the outer diameter of the pull rod is smaller than the inner diameter of the support tube; the pull rope 14 is arranged on the inner side of the cloth bag 11, and the other end of the pull rope 14 penetrates through the expansion pipe 13 to be connected with the fixing device; when the cold shrink tube expanding device works, the cold shrink tube 10 penetrates through the pull rod 12 and is sleeved on the cloth bag 11, then the two expanding cylinders 2 drive the expanding tube 13 to penetrate through the cloth bag 11, the cold shrink tube 10 sleeved on the cloth bag 11 is expanded, as shown in figure 1, then the cloth bag 11 is folded back in the expanding tube 13 through the pull rod 12, then the supporting tube is sleeved on the pull rod 12 and is placed in the expanding tube 13, finally the two expanding cylinders 2 drive the expanding tube 13 to withdraw from between the cold shrink tube 10 and the supporting tube and return to the initial position, as shown in figure 2, meanwhile, the two belt drawing cylinders 4 also drive the pull rope 14 to draw out the cloth bag 11, the cloth bag 11 can be effectively prevented from being clamped between the cold shrink tube 10 and the supporting tube, labor intensity is reduced, and working; when the next cold shrink tube 10 is expanded, the two band drawing cylinders 4 return to the initial position, then the cloth bag 11 is drawn out from the expansion tube 13 through the pull rod 12, then the cold shrink tube 10 penetrates through the pull rod 12 and is sleeved on the cloth bag 11, and the circulation is performed in sequence to expand; since the head of the expansion pipe 13 is in a hollow cone shape, as shown in fig. 4, the expansion of the cold shrink pipe 10 is facilitated, and the pipe expanding head does not need to be repeatedly disassembled and assembled like the prior art, so that the working efficiency can be further improved.

Further, the fixing device comprises a lower clamping plate 16 horizontally arranged on the side surface of the rear sliding plate 5, a supporting plate 15 horizontally arranged at the upper end of the rear sliding plate 5, an upper clamping plate 17 positioned between the lower clamping plate 16 and the supporting plate 15, and a clamping cylinder 6 vertically arranged on the supporting plate 15 and the output end of which is connected with the upper clamping plate 17; one end of the pull rope 14 is arranged between the upper clamping plate 17 and the lower clamping plate 16; the during operation, through the drive of die clamping cylinder 6, utilize punch holder 17 and lower plate 16 to press from both sides the one end of tight stay cord 14, when taking out the pull of taking cylinder 4 too big, the slide-out between punch holder 17 and the lower plate 16 can be followed to stay cord 14, can effectively avoid sack 11 to damage, improves life.

Further, the upper clamping plate 17 is made of rubber materials, so that friction force is increased, and clamping force is improved.

Further, two take out cylinder 4 and use expanding tube 13 as the center, be the diagonal angle and place, because take out the output of taking cylinder 4 and can play the guide effect to can reduce slide rail 8 quantity to two, reduction in production cost under the unchangeable condition of stability.

Further, when the expansion pipe 13 and the cloth bag 11 exit from between the cold shrink pipe 10 and the support pipe, a large pulling force is generated due to a large retraction force of the cold shrink pipe 10, the diameter of the through hole 18 is smaller than the outer diameter of the cold shrink pipe 10 after expansion, the support plate 9 can play a role of saving labor by utilizing the front support plate, and the expansion pipe 13 and the cloth bag 11 can exit from between the cold shrink pipe 10 and the support pipe conveniently.

The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.

Claims

1. The utility model provides a shrinkage pipe sack expander, contains the frame, respectively vertical setting at the preceding backup pad at frame both ends and back backup pad, two levels set up in the front the slide rail between backup pad and the back backup pad, slide respectively and set up on two slide rails and vertical preceding slide and the back slide of placing, set up the sack that the through-hole at backup pad middle part in the front, one end are fixed on the through-hole inner wall, the level sets up the expansion pipe that can pass the sack in the front on the slide, its characterized in that: the device also comprises two expanding cylinders which are arranged on the rear supporting plate and the output ends of which respectively penetrate through the two sides of the rear sliding plate and are fixedly connected with the front sliding plate, two belt drawing cylinders which are arranged on the rear sliding plate and the output ends of which are fixedly connected with the front sliding plate, a fixing device arranged between the front sliding plate and the rear sliding plate, and a pull rope and a pull rod which are respectively arranged at the other end of the cloth bag; the head of the expansion pipe is in a hollow conical shape, and the minimum inner diameter of the expansion pipe is larger than the outer diameter of the support pipe; the pull rod is arranged outside the cloth bag, and the outer diameter of the pull rod is smaller than the inner diameter of the supporting tube; the pull rope is arranged on the inner side of the cloth bag, and the other end of the pull rope penetrates through the expansion pipe to be connected with the fixing device.

2. The cold shrink tube cloth bag expander as claimed in claim 1, wherein: the fixing device comprises a lower clamping plate horizontally arranged on the side surface of the rear sliding plate, a supporting plate horizontally arranged at the upper end of the rear sliding plate, an upper clamping plate positioned between the lower clamping plate and the supporting plate, and a clamping cylinder vertically arranged on the supporting plate and the output end of the clamping cylinder is connected with the upper clamping plate; one end of the pull rope is arranged between the upper clamping plate and the lower clamping plate.

3. The cold shrink tube cloth bag expander as claimed in claim 2, wherein: the upper clamping plate is made of rubber materials.

4. The cold-shrink tube cloth bag expander according to any one of claims 1 to 3, wherein: the two belt drawing cylinders are placed diagonally with the expansion pipe as the center.

5. The cold shrink tube cloth bag expander as claimed in claim 4, wherein: the diameter of the through hole is smaller than the outer diameter of the expanded cold-shrinkable tube.