WO2018157566A1

WO2018157566A1 - Inflatable sleeving apparatus and method for hose

Info

Publication number: WO2018157566A1
Application number: PCT/CN2017/097963
Authority: WO
Inventors: 夏武
Original assignee: 广州市长丽机械设备有限公司
Priority date: 2017-02-28
Filing date: 2017-08-18
Publication date: 2018-09-07
Also published as: CN106738844A

Abstract

An inflatable sleeving apparatus and method for a hose (5). The method comprises the following steps: a hollow guide pin (41) is inserted into the front end of the hose (5); compressed air is introduced into the hollow guide pin (41), so that a front section of the hose (5) is inflated by means of the compressed air; a cutter (21) cuts off the hose (5) in front of an air outlet end of the hollow guide pin (41) to obtain a hose section (6); after the outside of the hollow guide pin (41) is sleeved with a certain number of hose sections (6), a hose mold (32) clamps the hose sections (6), the hollow guide pin (41) withdraws from the hose sections (6), and the hose mold (32) moves the hose sections (6) to the next station to sleeve a wire. According to the method, sleeving of the hose (5) is implemented in an inflatable manner, and the hose (5) is filled the compressed air, so that the inner diameter consistency is good, and the wire is conveniently sleeved; secondly, the hose (5) can further have certain rigidity, so that the hose does not fall off or warps to block an equipment gap in a transfer process; furthermore, cutting can further be facilitated, and a more smooth cut surface can also be obtained without auxiliary structures such as a cutting board.

Description

Inflatable sleeve device and method for hose

Technical field

The invention relates to the field of sheathing a hose on another object, in particular to a hose inflation sleeve device and method.

Background technique

It is necessary to use wires when connecting electrical components. In most applications, it is necessary to wear a labeled hose on the wire to define the wire. The rigidity of the hose is poor, resulting in poor consistency of the inner diameter shape. It is difficult for the machine to automatically insert the hose into the wire, especially if the wire is small, and the outer diameter of the wire is close to the theoretical inner diameter of the pipe, and it cannot be automatically operated by the machine. Therefore, most of the work of the hose to the wire is manually operated, which is not only inefficient, but also adds a lot of manpower and time costs.

Summary of the invention

In view of the above, it is necessary to provide an inflation inflation device and method for a hose in response to the above problems.

In order to achieve the above object, the present invention adopts the following technical solutions:

A method for inflating the sleeve of a hose comprises the steps of: inserting a hollow guide pin into the front end of the hose, introducing compressed air into the hollow guide pin, and compressing the air to inflate the front portion of the hose, and the cutter is from the front end of the hollow guide pin The hose is cut off to obtain a hose section. After the hollow guide needle is sleeved with a certain number of hose segments, the hose mold clamps the hose section, the hollow guide needle is withdrawn from the hose section, and the hose mold is connected to the hose section. Move to the next station to thread the wire.

Preferably, a certain number of hose segments are one, two or more hose segments.

Preferably, a radial gas barrier is formed between the inner surface of the hose and the outer surface of the hollow guide pin.

Preferably, the hose is conveyed by friction. If it can be transported by two friction wheels, it can also be transported with a friction wheel and a friction belt.

An inflation sleeve device for a hose, which in turn comprises a conveying structure, a shearing structure, a displacement structure and an aerated structure; a conveying structure for conveying a hose; a shearing structure for cutting the hose; and a shifting structure for The sheared hose section is moved to the next station; the inflatable structure is used to fill the hose with compressed air, and the inflatable structure comprises a hollow guide needle, a gas delivery tube and a controlled compressed air source, the gas delivery tube The two ends are respectively connected with a hollow guide pin inlet end and a controlled compressed air source, and the hollow guide pin can be inserted into the hose and can be withdrawn from the hose section.

Preferably, the transfer structure is a friction transfer structure. More preferably, it is conveyed by two friction wheels or by a friction wheel and a friction belt.

Preferably, the displacement structure comprises a clamping cylinder that can be opened and closed at 180°, a hose mold, a first guiding structure, a first mounting block and a first moving structure, the hose mold is mounted on the top of the clamping cylinder, and the clamping cylinder Mounted on the first mounting block, the first mounting block is mounted on the first moving structure and the first guiding structure; the hose mold comprises two mold halves, and the two mold halves are provided with concave structures on opposite sides, two halves The concave structure of the mold forms a clamping hole after the hose mold is closed, and the inner diameter of the clamping hole is equal to or smaller than the outer diameter of the hose.

Preferably, the shearing structure comprises a cutter, a second guiding structure, a second mounting block and a second moving structure, the cutter is mounted on the second mounting block, and the second mounting block is mounted on the second moving structure and the second guiding structure on.

Preferably, the inflatable structure further comprises a third guiding structure, a third mounting block and a third moving structure, the hollow guiding pin is mounted on the third mounting block, and the third mounting block is mounted on the third moving structure and the third guiding structure.

Preferably, the inflation sleeve device of the hose further comprises an intercepting plate, the intercepting plate is located between the displacement structure and the inflatable structure, and the intercepting plate is provided with an intercepting hole through which the hollow guiding needle can pass, the width or diameter of the intercepting hole is larger than The hollow guide pin diameter is smaller than the hose segment diameter. Therefore, when the hollow needle guide jacket is provided with a hose section, the hose section is retracted together with the hollow guide needle, and the intercepting hole can block the hose section from retreating, and the hose section is pushed down from the guide needle.

Preferably, the first, second, and third guiding structures are a slider and a sliding rail relatively rotatable therewith, first, second, The third moving structure is a motor driven rack and pinion structure, a moving cylinder or a moving electric cylinder.

More preferably, the motor drive rack and pinion structure comprises a drive motor, a rack and a gear, the rack is fixedly mounted on the mounting block, and the mounting block is fixedly mounted on the slider or the slide rail, the gear and the rack Engaged, the gear is mounted on the shaft of the drive motor.

Compared with the prior art, the present invention has the following beneficial effects:

The invention adopts an inflation method to wear a sleeve hose, and the compressed gas fills the hose, so that the hose can be rounded, and the circumferential line obtained by making the cross section perpendicular to the middle line of the hose has no pits, and the inner diameter is consistent, and the thread is easy to penetrate. Secondly, the hose can also have a certain rigidity, and it will not be dropped or twisted during the conveying process and can be blocked in the gap of the device. Further, the cutting can be more convenient, and an auxiliary structure such as a cutting board can be obtained. A flatter cut surface. The radial gas barrier is formed between the hose and the hollow guide pin, so that the radial friction between the hose and the hollow guide pin can be greatly reduced or even zero, which facilitates the relative movement of the hose and the hollow guide pin.

DRAWINGS

1 is a schematic view showing the structure of an inflation-sleeve device of a hose in Embodiment 1.

Fig. 2 is a schematic view showing the structure of the inflation-slewing device of the hose of the first embodiment (cutting hose state).

Fig. 3 is a schematic view showing the structure of the inflation-slewing device of the hose of Embodiment 1 (the shear structure and the displacement structure are omitted).

Figure 4 is a partial cross-sectional view showing the structure of the inflation-sleeve device of the hose of Embodiment 1 (the shear structure and the displacement structure are omitted).

The reference numerals are:

Transfer structure 1, shearing structure 2, displacement structure 3, inflatable structure 4, hose 5, hose section 6, intercepting plate 7, friction wheel 11, cutter 21, second mounting block 22, clamping cylinder 31, The hose mold 32, the first mounting block 33, the hollow guide needle 41, the third mounting block 42, and the intercepting hole 71.

detailed description

The invention will be further described with reference to the drawings and specific embodiments.

Example 1

An inflation sleeve device for a hose, as shown in Figures 1-5, comprising a transfer structure 1, a shearing structure 2, a displacement structure 3 and an aerated structure 4 in sequence; a transfer structure 1 for conveying a hose 5; The cutting structure 2 is used to cut the hose 5; the displacement structure 3 is used to move the sheared hose section 6 to the next station; the inflatable structure 4 is used to fill the hose 5 with compressed air.

The conveying structure 1 in this embodiment is a friction conveying structure which is conveyed by the two friction wheels 11, so that the conveying can be stably performed without stretching the hose.

In this embodiment, the shearing structure 2 includes a cutter 21, a second mounting block 22, a second guiding structure and a second moving structure. The cutter 21 is mounted on the second mounting block 22, and the second mounting block 22 is respectively mounted on the second mounting block 22 Two moving structures and a second guiding structure.

In this embodiment, the displacement structure 3 includes a clamping cylinder 31 that can be opened and closed at 180°, a hose die 32, a first mounting block 33, a first guiding structure and a first moving structure, and the hose die 32 is mounted on the clamping cylinder. At the top of the 31, the clamping cylinder 31 is mounted on the first mounting block 33, and the first mounting block 33 is mounted on the first moving structure and the first guiding structure, respectively; the hose die 32 comprises two mold halves, two The concave side of the mold half is provided with a concave structure, and the concave structures of the two mold halves form a clamping hole after the hose mold is closed, and the inner diameter of the clamping hole is equal to or smaller than the outer diameter of the hose.

The inflatable structure 4 comprises a hollow guide pin 41, a gas delivery tube, a controlled compressed air gas source, a third mounting block 42, a third guiding structure and a third moving structure, and the two ends of the gas conveying tube are respectively connected to the hollow guiding needle 41. The inlet end and the controlled compressed air source, the front end of the hollow guide needle 41 can be inserted into the hose 5 and can be withdrawn from the hose section 6, and the hollow guide needle 41 is mounted on the third mounting block 42, the third installation The blocks are mounted on the third moving structure and the third guiding structure, respectively.

The inflation inflation device of the hose in this embodiment further comprises an intercepting plate 7 between the displacement structure 3 and the inflatable structure 4, and the intercepting plate 7 is provided with an intercepting hole 71 through which the hollow guiding needle can pass. The width or diameter of the intercepting hole 71 is larger than the hollow The diameter of the guide pin is smaller than the diameter of the hose section. Usually, the hollow guide needle can be smoothly withdrawn from the hose section, but in order to avoid the subsequent work caused by the hose section which occasionally retains the hollow guide needle, the inventor has specially provided the intercepting plate 7. Therefore, when the hollow needle guide jacket is provided with a hose section, the hose section is retracted together with the hollow guide needle, and the intercepting hole can block the hose section from retreating, and the hose section is pushed down from the guide needle.

Preferably, the first, second, and third guiding structures are a slider and a sliding rail that can slide relative thereto, and the first, second, and third moving structures are a motor driving rack and pinion structure, a moving cylinder or a moving electric cylinder. More preferably, the motor drive rack and pinion structure comprises a drive motor, a rack and a gear, the rack is fixedly mounted on the mounting block, and the mounting block is fixedly mounted on the slider or the slide rail, the gear and the rack Engaged, the gear is mounted on the shaft of the drive motor. In the present invention, the guiding structure and the moving structure cooperate to linearly reciprocate the cutter, the hose mold and the middle hole guide pin, and realize the functions of cutting the hose, moving the hose section and inflating the hose.

A method for inflation inflation of a hose includes the following steps: two friction wheels frictionally transmit a hose, the hollow guide needle moves forward, and the front end is inserted into the front end of the hose, and the compressed air is introduced into the hollow guide needle to compress the air The front part of the hose is inflated, and a radial gas barrier is formed between the inner surface of the hose and the outer surface of the hollow guide pin. The cutter reciprocates once, and the hose is first cut off from the first end of the hollow guide needle. In the pipe section, the hose continues to be conveyed forward under the action of the friction force, and is sheathed to the outside of the hollow guide pin, and the cutter reciprocates once again, and the hose is cut off a second time before the end of the air outlet of the hollow guide pin. In the hose section, the hose mold clamps the two hose sections, the hollow guide needle is withdrawn from the hose section, and the hose mold moves the two hose sections to the next station to penetrate the wire. The pressure of the compressed air is greater than one atmosphere, and the pressure, flow rate and flow rate of the compressed air are determined according to actual conditions.

The above-mentioned embodiments are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but is not to be construed as limiting the scope of the invention. It should be noted that a number of variations and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of the invention should be determined by the appended claims.

Claims

A method for inflation inflation of a hose, comprising the steps of: inserting a hollow guide pin into a front end of a hose, introducing a compressed air into the hollow guide pin, compressing the air to inflate the front portion of the hose, and cutting the knife from the hollow guide pin The hose is cut off before the outlet end to obtain a hose section. After the hollow guide needle is sleeved with a certain number of hose segments, the hose mold clamps the hose section, and the hollow guide needle is withdrawn from the hose section. Move the hose section to the next station and thread the wire.
The method of inflating the sheath of a hose according to claim 1, wherein a radial gas barrier layer is formed between the inner surface of the hose and the outer surface of the hollow guide pin.
A method of inflation inflation of a hose according to claim 1, wherein the hose is conveyed by friction.
The method of inflation inflation of a hose according to claim 1, wherein the number of hose segments is one, two or more hose segments.
An inflation inflation device for a hose, comprising: a conveying structure, a shearing structure, a displacement structure and an inflation structure in sequence; a conveying structure for conveying a hose; a shearing structure for cutting a hose; The structure is used to move the sheared hose section to the next station; the inflatable structure is used to fill the hose with compressed air, and the inflatable structure comprises a hollow guide pin, a gas delivery pipe and a controlled compressed air source. The two ends of the gas delivery pipe are respectively connected to the hollow inlet end of the hollow guide pin and the controlled compressed air source, and the hollow guide pin can be inserted into the hose and can be withdrawn from the hose section.
The inflation-through device for a hose according to claim 5, wherein the conveying structure is a friction transmitting structure.
The inflation inflation sheathing device of a hose according to claim 5, wherein the displacement structure comprises a clamping cylinder that can be opened and closed at 180°, a hose mold, a first guiding structure, a first mounting block, and a first a moving structure, a hose die is mounted on the top of the clamping cylinder, the clamping cylinder is mounted on the first mounting block, the first mounting block is mounted on the first moving structure and the first guiding structure; the hose die comprises two The mold halves are provided with concave structures on opposite sides of the two mold halves. The recessed structures of the two mold halves form a clamping hole after the hose mold is closed, and the inner diameter of the clamping hole is equal to or smaller than the outer diameter of the hose; the shearing structure comprises a cutter And a second guiding structure, a second mounting block and a second moving structure, the cutter is mounted on the second mounting block, and the second mounting block is mounted on the second moving structure and the second guiding structure.
The inflation inflation device of the hose according to claim 7, wherein the inflatable structure further comprises a third guiding structure, a third mounting block and a third moving structure, the hollow guiding pin being mounted on the third mounting block, The third mounting block is mounted on the third moving structure and the third guiding structure.
The inflation inflation device of the hose according to claim 8, wherein the first, second, and third guiding structures are a slider and a sliding rail relatively rotatable therewith, the first, the second, and the third The moving structure is a motor driven rack and pinion structure, a moving cylinder or a moving electric cylinder.
The inflation inflation device of the hose according to claim 7, wherein the inflation sleeve of the hose further comprises an intercepting plate, the intercepting plate is located between the displacement structure and the inflatable structure, and the intercepting plate is provided The intercepting hole through which the hollow guide pin can pass, the width or diameter of the intercepting hole being larger than the diameter of the hollow guide pin and smaller than the diameter of the hose segment.