CN115972528A - Capsule tube blank extrusion winding production process and capsule tube blank extrusion winding production equipment - Google Patents

Abstract

The invention provides a bag skin tube blank extrusion winding production process and bag skin tube blank extrusion winding production equipment. The production process of extruding and winding the bag skin tube blank comprises the following steps: the core rod enters a first extruder die, and the first extruder die covers a first layer of glue on the outer side of the core rod; the core rod coated with the first layer of glue enters a first winding machine, and the first winding machine winds a first layer of fiber wire on the core rod coated with the glue; the core rod wound with the first layer of fiber wire enters a second extruder die, and a second layer of glue is coated on the outer side of the core rod by the second extruder die; the core rod coated with the second layer of glue enters a second winding machine, and a second layer of fiber wires is wound on the core rod coated with the glue by the second winding machine; by analogy, the core rod sequentially enters an extruder die and a winding machine to be coated with glue and wound with fiber wires to a preset number of layers; and the core rod after the coating or winding is finished enters capsule skin cutting and separating equipment. The invention solves the problems of complicated manufacturing process and low efficiency of the hollow spring bag leather tube in the prior art.

Description

Capsule tube blank extrusion winding production process and capsule tube blank extrusion winding production equipment

Technical Field

The invention relates to the technical field of bag skin tube processing, in particular to a bag skin tube blank extrusion winding production process and bag skin tube blank extrusion winding production equipment.

Background

The air spring capsule leather tube is a multi-layer composite tubular structure, is similar to a rubber tube, and consists of a rubber inner layer, a fiber layer, a rubber layer, a fiber layer and a rubber outer layer. It is characterized in that each layer is thinner than the rubber tube.

If the traditional hose extrusion method is adopted, after the hose is extruded, the hose is held by a hose traction device and is drawn along the extrusion direction of the hose. Because each layer of the air spring bag leather tube is thin and low in strength, the thin-wall tube is easy to deform and damage by the traditional method for pulling the rubber tube after extrusion.

The present manufacturing method of air spring bag leather tube is characterized by that firstly, it uses a special-purpose extrusion rolling equipment to produce rubber sheet and fibre cloth sheet covered with rubber, then the rubber sheet and fibre cloth sheet are respectively cut according to a certain size. And winding the cut rubber sheets and fiber sheets on a round bar in sequence on an air spring bag skin tube blank forming machine, repeatedly winding for multiple layers in the way, and then taking down the wound bag skin tube from a winding core rod. The method has the advantages of multiple production processes, complex process, multiple devices and low efficiency, and in addition, the quality of the air spring capsule skin is influenced by the uneven thickness of the capsule skin caused by the overlapping of parts at the seams when each layer of film or fiber cloth is wound.

Disclosure of Invention

The invention mainly aims to provide a bag skin tube blank extrusion winding production process and bag skin tube blank extrusion winding production equipment, so as to solve the problems of complex manufacturing process and low efficiency of an air spring bag skin tube in the prior art.

In order to achieve the above object, according to an aspect of the present invention, there is provided a production process for extruding and winding a balloon blank, comprising: the core rod enters a first extruder die, and the first extruder die covers a first layer of glue on the outer side of the core rod; the core rod coated with the first layer of glue enters a first winding machine, and the first winding machine winds a first layer of fiber wire on the core rod coated with the glue; the core rod wound with the first layer of fiber wire enters a second extruder die, and a second layer of glue is coated on the outer side of the core rod by the second extruder die; the core rod coated with the second layer of glue enters a second winding machine, and a second layer of fiber wire is wound on the core rod coated with the glue by the second winding machine; by parity of reasoning, the core rod sequentially enters an extruder die and a winding machine to carry out glue coating and fiber wire winding to a preset number of layers; and the core rod after the coating or winding is finished enters a capsule shell cutting and separating device, the capsule shell cutting and separating device cuts the capsule shell pipe on the outer side of the core rod according to a preset length, then the cut capsule shell pipe is detached and separated from the core rod, and the separated capsule shell pipe is transferred to the subsequent process.

Further, the extrusion winding production process of the bag skin tube blank further comprises the following steps: selecting the core rod before the core rod enters the first extruder die, and selecting the core rod with the outer diameter equal to the inner diameter of the bag leather tube to be processed and the length not less than the length of the bag leather tube to be processed to enter the first extruder die.

Further, the extrusion winding production process of the bag skin tube blank further comprises the following steps: before the core rods enter the first extruder die, the core rods sequentially enter the connecting device, the connecting device sequentially connects the core rods to form a whole, and then the core rods enter the first extruder die.

Further, the extrusion winding production process of the bag skin tube blank also comprises the following steps: after the connecting device sequentially connects the core rods to form a whole, the core rods enter the clamping boosting device, and the clamping boosting device clamps the core rods and drives the core rods to move towards the direction of the first extruder die and enter the first extruder die.

Further, the extrusion winding production process of the bag skin tube blank further comprises the following steps: before the core rod enters any extruder die or any winding machine, or after the core rod enters any extruder die or any winding machine, the core rod enters the clamping boosting device, and the clamping boosting device clamps the core rod and drives the core rod to move continuously.

Further, the extrusion winding production process of the bag skin tube blank further comprises the following steps: and after the cut bark tube is detached from the core rod, the detached core rod is transported back to the starting end for recycling.

According to another aspect of the invention, there is provided a bag skin tube blank extrusion winding production apparatus for implementing the above bag skin tube blank extrusion winding production process, the bag skin tube blank extrusion winding production apparatus comprising: a plurality of extruder dies, the extruder dies including a first extruder die and a second extruder die; the winding machine comprises a first winding machine and a second winding machine, the extruder dies and the winding machines are sequentially and alternately arranged to form a first extruder die, a first winding machine, a second extruder die and a second winding machine which are sequentially arranged, and the core rod sequentially passes through the extruder dies and the winding machines to sequentially carry out glue coating and winding; and the capsule skin cutting and separating equipment is positioned at the processing completion end of the core rod along the conveying direction of the core rod and is used for cutting and separating the capsule skin tube formed after the coating and winding.

Furthermore, the bag skin tube blank extrusion winding production equipment also comprises a connecting device, wherein the connecting device is positioned on one side of the first extruder die, which is far away from the first winding machine, and can connect the core rods to form a whole.

Furthermore, the bag skin tube blank extrusion winding production equipment also comprises a clamping boosting device which is arranged between the connecting device and the first extruder die and drives the core rod to enter the first extruder die.

Furthermore, the bag skin tube blank extrusion winding production equipment further comprises at least one clamping boosting device, and the clamping boosting device is arranged at least one position between two adjacent extruder dies and the winding machine, on one side of the first extruder die, far away from the first winding machine, and between the finishing end winding machine and the bag skin cutting and separating equipment.

By applying the technical scheme of the invention, when the capsule tube is processed, the core rods are sequentially and alternately transmitted and processed between the extruder dies and the winding machines, so that the outer peripheral sides of the core rods are sequentially coated with glue and wound with fiber wires, specifically, the core rods firstly enter the first extruder die to be coated with a first layer of glue, then the core rods 90 and attachments thereon enter the first winding machine to be wound with the first layer of fiber wires, then the core rods 90 and the attachments thereon enter the second extruder die to be coated with a second layer of glue, then the core rods 90 and the attachments thereon enter the second winding machine to be wound with the second layer of fiber wires, and so on, the glue coating and winding are continuously carried out on the outer sides of the core rods according to the required number of the capsule tube layers until a preset number of layers is formed, and after the core rods enter the capsule cutting and separating equipment to be switched and separated, so that the capsule tube is processed. The aforesaid mode of setting up has formed a production line, the direct, output product continuously, production efficiency improves, and save film production facility, adhesive tape production facility, the equipment is decided to the film, the adhesive tape is decided equipment, equipment such as bag skin former, turnover manpower and materials between each equipment have also been saved, production processes has been simplified, reduce equipment quantity, and the production efficiency is improved, the empty spring bag leather pipe that the coproduction obtained does not have the film seam, also does not have the adhesive tape seam, the wall thickness is even, high quality, and product quality is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a flow chart of the extrusion winding production process of a capsule shell tube blank of the present invention;

fig. 2 shows a schematic structural view of the extrusion winding production equipment of the capsule shell tube blank of the invention.

Wherein the figures include the following reference numerals:

10. a first extruder die; 20. a first winding machine; 30. a second extruder die; 40. a second winding machine; 50. cutting and separating equipment for the capsule skin; 60. a connecting device; 70. a clamping boosting device; 80. a third extruder die; 90. and (4) a core rod.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

The invention provides a bag skin tube blank extrusion winding production process and bag skin tube blank extrusion winding production equipment, aiming at solving the problems of complicated manufacturing process and low efficiency of an air spring bag skin tube in the prior art.

The extrusion winding production process of the bladder skin tube blank shown in figure 1 comprises the following steps: the core rod 90 enters the first extruder die 10, and the first extruder die 10 covers the first layer of glue on the outer side of the core rod 90; the core rod 90 coated with the first layer of glue enters the first winding machine 20, and the first winding machine 20 winds the first layer of fiber wires on the core rod 90 coated with the glue; the core rod 90 wound with the first layer of fiber wire enters the second extruder die 30, and the second extruder die 30 covers the second layer of glue on the outer side of the core rod 90; the core rod 90 coated with the second layer of glue enters a second winding machine 40, and the second winding machine 40 winds a second layer of fiber wires on the core rod 90 coated with the glue; by analogy, the core rod 90 sequentially enters an extruder die and a winding machine to carry out glue coating and fiber wire winding to a preset number of layers; the core rod 90 after the coating or winding is finished enters the capsule cutting and separating device 50, the capsule cutting and separating device 50 cuts the capsule tube on the outer side of the core rod 90 according to a preset length, then the cut capsule tube is detached and separated from the core rod 90, and the separated capsule tube is transferred to the subsequent process.

In the embodiment, a plurality of extruder dies and a plurality of winding machines are adopted, and when a bladder tube is processed, a core rod 90 is adopted to sequentially and alternately transmit and process between each extruder die and each winding machine, so that glue coating and fiber wire winding are sequentially performed on the outer peripheral side of the core rod 90, specifically, the core rod 90 enters a first extruder die 10 to be coated with a first layer of glue, then the core rod 90 and an attachment thereon enter a first winding machine 20 to be wound with a first layer of fiber wire, then the core rod 90 and an attachment thereon enter a second extruder die 30 to be coated with a second layer of glue, then the core rod 90 and an attachment thereon enter a second winding machine 40 to be wound with a second layer of fiber wire, and so on, glue coating and winding are continuously performed on the outer side of the core rod 90 according to the required number of bladder tube layers until a preset number of layers is formed, and after that the core rod 90 enters the bladder tube cutting and separating equipment 50 to perform switching and separation, so that the processing of the bladder tube is completed. The above-mentioned mode of setting up has formed a production line, and direct, the output product in succession, production efficiency improves to save film production facility, adhesive tape production facility, equipment is decided to the film, the adhesive tape is decided equipment, equipment such as capsule skin former, turnover manpower and materials between each equipment have also been saved, production processes has been simplified, reduce equipment quantity, improve production efficiency, the empty spring capsule leather pipe that the coproduction obtained does not have the film seam, also does not have the adhesive tape seam, the wall thickness is even, high quality, product quality has been improved.

In the present embodiment, three extruder dies are provided, namely, the first extruder die 10, the second extruder die 30, and the third extruder die 80, and two winding machines are provided, namely, the first winding machine 20 and the second winding machine 40, for example, and it is needless to say that more extruder dies and winding machines may be provided as needed. The preset layer number refers to the total layer number, namely, the glue layer and the fiber layer are calculated by one layer, and the preset layer number is correspondingly set according to the processing requirement.

In this embodiment, the extrusion winding production process of the bag skin tube blank further comprises: before the core rod 90 enters the first extruder die 10, the core rod 90 is selected according to the type, size and other differences of the balloon catheter to be processed, and considering that the length of the balloon catheter can be controlled by subsequent cutting, the core rod 90 mainly has the function of controlling the diameter of the balloon catheter, so that when the core rod 90 is selected, the core rod 90 with the outer diameter equal to the inner diameter of the balloon catheter to be processed is selected to process the corresponding balloon catheter, and meanwhile, in order to further ensure the length of the balloon catheter, the core rod 90 with the length not less than the length of the balloon catheter to be processed is also selected to process the corresponding balloon catheter, and after the type selection of the core rod 90 is completed, the core rod 90 can be sent into the first extruder die 10 to be sequentially processed.

In this embodiment, the extrusion winding production process of the bag skin tube blank further comprises: before the core rods 90 enter the first extruder die 10, the core rods 90 sequentially enter the connecting device 60, the connecting device 60 sequentially connects the core rods 90 to form a whole, and then the core rods 90 enter the first extruder die 10. In consideration of the requirement of continuous processing, in the embodiment, before the core rod 90 enters the first extruder die 10 for formal processing, the core rod 90 sequentially enters the connecting device 60, the connecting device 60 can connect the core rods 90 together to form a whole, and then the whole can sequentially enter the extruder die and the winding machine for coating and winding, so that continuous processing is realized, and the processing efficiency is further improved. The integrally connected core rods 90 are subsequently separated again by the capsule cutting and separating device 50.

In this embodiment, the extrusion winding production process of the bag skin tube blank further comprises: after the connecting device 60 sequentially connects the core rods 90 to form a whole, the core rods 90 enter the clamping boosting device 70, and the clamping boosting device 70 clamps the core rods 90 and drives the core rods 90 to move towards the first extruder die 10 and enter the first extruder die 10. That is, before the mandrel 90 enters the connecting device 60, the mandrel 90 can be transported and loaded by means of manual work or special equipment, and after the mandrel 90 enters the connecting device 60 and is connected into a whole, the whole weight may be relatively large, and meanwhile, the safety problem is considered, so that the integral mandrel 90 is subsequently moved in a mechanical driving manner, that is, the integral mandrel 90 enters the clamping and pushing device 70, and the clamping and pushing device 70 clamps and pushes the whole mandrel to move continuously, so that the mandrel 90 enters the first extruder die 10 for processing.

In this embodiment, the extrusion winding production process of the bag skin tube blank further comprises: before the core rod 90 enters any extruder die or any winding machine, or after the core rod 90 enters any extruder die or any winding machine, the core rod 90 enters the clamping boosting device 70, and the clamping boosting device 70 clamps the core rod 90 and drives the core rod 90 to move continuously. That is, in addition to providing the clamping and boosting device 70 in front of the first extruder die 10 to realize the driving force of the mandrel 90 at the initial end of the production line, the clamping and boosting device 70 may also be used to drive the mandrel 90 at the intermediate position or the finishing end, so that when the production line is long or the subsequent power of the mandrel 90 is insufficient due to factors such as the coating and winding of the mandrel 90, the subsequent clamping and boosting device 70 further drives the mandrel 90 to ensure that the mandrel 90 can be continuously processed, thereby ensuring the processing efficiency.

For example, in the present embodiment, the clamping and pushing-assisting device 70 is disposed at the end of the production line, that is, at the side of the third extruder die 80 away from the second winding machine 40, so that the coated and wound core rod 90 enters the clamping and pushing-assisting device 70, and is driven by the clamping and pushing-assisting device 70 to further move to the subsequent capsule cutting and separating device 50, and the clamping and pushing-assisting device 70 at the beginning end is matched to ensure the stable movement of the core rod 90 in the whole production process.

In this embodiment, the extrusion winding production process of the bag skin tube blank further comprises: when the cut-off capsule tube is detached from the core rod 90, the capsule tube detaching and separating apparatus 50 not only detaches the finished capsule tube from the core rod 90 but also sequentially separates the integrated core rod 90. After the cut capsule skin tube is detached from the core rod 90, the detached core rod 90 is transferred back to the starting end for recycling, so that the core rod 90 is recycled, and further the recycling processing is realized. The core rod 90 can be transported back to the starting end by means of special transport equipment or manually.

In this embodiment, the extrusion winding production process of the bag skin tube blank further comprises: in the transportation process of the core rod 90, the detection device detects the state of the core rod 90, and/or the temperature adjusting device adjusts the temperature of the core rod 90, so as to ensure the stability and reliability of the quality of the processed capsule tube product, and meanwhile, the detection device helps an operator to monitor the production process, timely find production problems and timely perform production adjustment.

As shown in fig. 2, the embodiment also provides a bag skin tube blank extrusion winding production device, which is used for implementing the bag skin tube blank extrusion winding production process. The bag skin pipe blank extrusion winding production equipment comprises a plurality of extruder dies, a plurality of winding machines and bag skin cutting and separating equipment 50, wherein the extruder dies comprise a first extruder die 10 and a second extruder die 30; the winding machine comprises a first winding machine 20 and a second winding machine 40, wherein the extruder dies and the winding machines are sequentially and alternately arranged to form a first extruder die 10, a first winding machine 20, a second extruder die 30, a second winding machine 40 and a third extruder die 80, 8230, which are sequentially arranged, and a core rod 90 sequentially passes through the extruder dies and the winding machines, so that the outer periphery of the core rod 90 is sequentially coated with glue and wound to form the capsule tube. In the conveying direction of the core rod 90, the capsule skin cutting and separating device 50 is located at the finishing end of the processing of the core rod 90, that is, the end of the production line, where the capsule skin tube has been substantially processed, so that the outer side of the core rod 90 can be cut and separated by the capsule skin tube formed after the coating and winding of the gum and the wire by the capsule skin cutting and separating device 50.

In this embodiment, the apparatus for extruding and winding a capsule shell tube blank further comprises a connecting device 60, the connecting device 60 is located on a side of the first extruder die 10 away from the first winding machine 20, that is, at a beginning end of the production line, so that a plurality of core rods 90 can sequentially enter the connecting device 60, and the core rods 90 are connected to form a whole through the connecting device 60, and then the whole sequentially enters the extruder dies and the winding machine to process the capsule shell tube, thereby realizing continuous processing. The specific structure of the connecting device 60 may be set according to the connection manner between the core rods 90, for example, when the core rods 90 are connected by using a protrusion and a groove, or when the core rods 90 are connected by using a buckle, the connecting device 60 may use a docking mechanism to dock, latch, and buckle the two core rods 90 into a whole, or when the core rods 90 are connected by using a pin, the connecting device 60 may use a push rod mechanism, and the push rod pushes the pin into a connecting hole between the two core rods 90 to connect the core rods 90, and so on.

In this embodiment, the capsule tube blank extrusion winding production equipment further includes a clamping boosting device 70, and the clamping boosting device 70 is disposed between the connecting device 60 and the first extruder die 10, so that the whole core rod formed by connecting the connecting device 60 can enter the clamping boosting device 70, and enter the first extruder die 10 under the clamping driving of the clamping boosting device 70, and sequentially perform the coating and winding processes. The specific structure of the clamping boosting device 70 can be set as required, for example, a movable clamping jaw is used for clamping to drive the core rod 90 to move, or a belt, a chain, a press roller or other mechanisms are used for driving the core rod 90 to move, etc.

In the present embodiment, at least one clamping boosting device 70 is provided, the number of clamping boosting devices 70 may be set according to the length, weight, and the like of the mandrel 90, and when the length, weight, or the number of layers of the glue-coated winding wire of the mandrel 90 is large, a plurality of clamping boosting devices 70 may be provided, and specifically, the clamping boosting devices 70 may be provided at least one position between two adjacent extruder dies and the winding machine, on the side of the first extruder die 10 away from the first winding machine 20, that is, the start end of the production line, or between the finish end winding machine and the capsule skin cutting and separating apparatus 50, so as to assist the movement of the mandrel 90 and ensure the effect of continuous production. Since the present embodiment is provided with only three extruder dies and two winding machines, the present embodiment is provided with two clamping and boosting devices 70 respectively located at the beginning end and the finishing end of the production line, that is, the side of the first extruder die 10 away from the first winding machine 20 and the side of the third extruder die 80 away from the second winding machine 40. Of course, more grip assist devices 70 may be provided.

In consideration of the driving force when entering the first extruder die 10, it is preferable that at least one side of the first extruder die 10 away from the first winding machine 20, i.e. the beginning end of the production line, is provided with a clamping and boosting device 70 to ensure that the whole processing process of coating and winding can be mechanically driven without manual pushing, thereby ensuring the safety.

The capsule shell tube blank extrusion and winding production equipment of the embodiment is integrally arranged in a straight line, that is, the connecting device 60, the clamping boosting device 70, the first extruder die 10, the first winding machine 20, the second extruder die 30, the second winding machine 40, the third extruder die 80, the clamping boosting device 70 and the capsule shell cutting and separating equipment 50 are sequentially arranged along one direction. Of course, other arrangements such as square may be provided.

The winding machine of the embodiment comprises a plurality of fiber wire stators and the rotary table, wherein the fiber wire stators are arranged on the rotary table, the rotary table on the winding machine can wind the fiber wire outside the glue-coated core rod 90 when rotating, the winding angle can be adjusted according to requirements, and the rotating speed of the rotary table on the winding machine and the moving speed of the core rod 90 synthesize the winding spiral angle of the fiber wire. Of course, the specific structure of the extruder die and the winding machine can be selected according to the requirement, and the existing equipment can be adopted.

The capsule tube blank extrusion winding production equipment of the embodiment further comprises a detection device and a temperature adjusting device, the detection device detects the state of the core rod 90, and the temperature adjusting device adjusts the temperature of the core rod 90, so that the stability and reliability of the quality of the processed capsule tube blank product are ensured. The temperature adjusting device may employ a cooling device, a heating device, or the like as needed.

The extrusion winding production process of the bag skin tube blank of the embodiment integrally comprises the following steps:

selecting and preparing a plurality of core rods 90, wherein the outer diameter of each core rod 90 is the inner diameter of the processed balloon catheter, the length of each core rod 90 is designed according to the length of the balloon catheter, and the plurality of core rods 90 can be connected or disassembled.

The plurality of core rods 90 are pushed into the connecting device 60 to be connected, then the core rods 90 are clamped or clamped by the clamping boosting device 70 and pushed into the first extruder die 10, and a first layer of thin glue is coated on the outer surface of the core rods 90 when the core rods 90 are pushed out from the first extruder die 10.

The core rod 90 coated with the first layer of glue is pushed by the clamping boosting device 70 to move continuously and is pushed into the first winding machine 20, and the first winding machine 20 winds the first layer of fiber wires on the core rod 90 coated with the glue.

The wound-up core rod 90 enters the second extruder die 30 to be coated with the second layer of glue.

The core rod 90 coated with the second layer of glue is pushed into the second winding machine 40, and the second layer of fiber wire is wound outside the core rod 90 coated with the second layer of glue.

The core rod 90 with the second layer of filament wound is pushed into the third extruder die 80 to coat the third layer of glue. And the subsequent coating and winding can be repeated as required. During the transportation of the mandrel 90, the mandrel 90 is moved together with the adhesive such as the glue or the wound fiber thread.

The core rod 90 coated with the third layer of glue is pushed into the capsule cutting and separating device 50, the capsule tube coated outside the core rod 90 is cut by the required length, then the cut capsule tube and the core rod 90 are detached and separated from the core rod 90 connected subsequently, then the capsule is detached from the detached core rod 90 and transported to the next process, and the detached core rod 90 is transported back to the beginning end of the production line for recycling.

It should be noted that, a plurality in the above embodiments means at least two.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

1. the problems of complicated manufacturing process and low efficiency of the hollow spring bag leather tube in the prior art are solved;

2. a production line is formed, products are directly and continuously produced, and the production efficiency is improved;

3. the rubber sheet production equipment, the adhesive tape production equipment, the rubber sheet cutting equipment, the adhesive tape cutting equipment, the capsule skin forming equipment and other equipment are omitted, the turnover manpower and material resources among the equipment are also omitted, the production process is simplified, the number of the equipment is reduced, and the production efficiency is improved;

4. the produced empty spring capsule leather tube has no rubber sheet joint and no adhesive tape joint, the wall thickness is uniform, the quality is good, and the product quality is improved.

It is to be understood that the above-described embodiments are only a few, and not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in other sequences than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The extrusion winding production process of the balloon skin pipe blank is characterized by comprising the following steps of:

a core rod (90) enters a first extruder die (10), and the first extruder die (10) covers a first layer of glue on the outer side of the core rod (90);

the core rod (90) coated with the first layer of glue enters a first winding machine (20), and the first winding machine (20) winds a first layer of fiber wires on the core rod (90) coated with the glue;

the core rod (90) wound with the first layer of fiber wire enters a second extruder die (30), and a second layer of glue is coated on the outer side of the core rod (90) by the second extruder die (30);

the core rod (90) coated with the second layer of glue enters a second winding machine (40), and the second winding machine (40) winds a second layer of fiber wires on the core rod (90) coated with the second layer of glue;

by analogy, the core rod (90) sequentially enters an extruder die and a winding machine to be coated with glue and wound with fiber wires to a preset number of layers;

the core rod (90) after the coating or winding is finished enters a capsule cutting and separating device (50), the capsule cutting and separating device (50) cuts the capsule tube on the outer side of the core rod (90) according to a preset length, then the cut capsule tube is detached and separated from the core rod (90), and the separated capsule tube is transferred to a subsequent process.

2. The extrusion winding production process of the bag skin tube blank according to claim 1, wherein the extrusion winding production process of the bag skin tube blank further comprises:

before the core rod (90) enters the first extruder die (10), the core rod (90) is selected, and the core rod (90) which has the outer diameter equal to the inner diameter of the balloon catheter to be processed and the length no less than the length of the balloon catheter to be processed is selected to enter the first extruder die (10).

3. The extrusion winding production process of the bag skin tube blank according to claim 1, wherein the extrusion winding production process of the bag skin tube blank further comprises:

before the core rods (90) enter the first extruder die (10), the core rods (90) enter a connecting device (60) in sequence, the connecting device (60) connects the core rods (90) in sequence to form a whole, and then the core rods (90) enter the first extruder die (10).

4. The extrusion winding production process of the bag skin tube blank according to claim 3, wherein the extrusion winding production process of the bag skin tube blank further comprises:

after the connecting device (60) sequentially connects the core rods (90) to form a whole, the core rods (90) enter a clamping boosting device (70), and the clamping boosting device (70) clamps the core rods (90) and drives the core rods (90) to move towards the first extruder die (10) and enter the first extruder die (10).

5. The extrusion winding production process of the bag skin tube blank according to claim 1, wherein the extrusion winding production process of the bag skin tube blank further comprises:

before the core rod (90) enters any extruder die or any winding machine, or after the core rod (90) enters any extruder die or any winding machine, the core rod (90) enters a clamping boosting device (70), and the clamping boosting device (70) clamps the core rod (90) and drives the core rod (90) to move continuously.

6. The extrusion winding production process of the bag skin tube blank according to claim 1, characterized in that the extrusion winding production process of the bag skin tube blank further comprises:

after the cut-off bursa skin tube is detached and separated from the core rod (90), the detached core rod (90) is transported back to the starting end for recycling.

7. An extrusion winding production apparatus for a bag skin tube blank, which is used for implementing the extrusion winding production process for the bag skin tube blank according to any one of claims 1 to 6, the extrusion winding production apparatus for the bag skin tube blank comprising:

a plurality of extruder dies including a first extruder die (10) and a second extruder die (30);

the winding machine comprises a first winding machine (20) and a second winding machine (40), the extruder dies and the winding machines are sequentially and alternately arranged to form the first extruder die (10), the first winding machine (20), the second extruder die (30) and the second winding machine (40) which are sequentially arranged, and a core rod (90) sequentially passes through the extruder dies and the winding machines to sequentially carry out glue coating and winding;

and the capsule skin cutting and separating equipment (50) is positioned at the processing completion end of the core rod (90) along the conveying direction of the core rod (90), and is used for cutting and separating the capsule skin tube formed after the coating and winding.

8. The capsule shell tube blank extrusion winding production device according to claim 7, further comprising a connecting device (60), wherein the connecting device (60) is positioned on one side of the first extruder die (10) far away from the first winding machine (20) and can connect the core rods (90) into a whole.

9. The capsule shell tube blank extrusion winding production equipment according to claim 8, further comprising a clamping boosting device (70), wherein the clamping boosting device (70) is arranged between the connecting device (60) and the first extruder die (10) and drives the core rod (90) into the first extruder die (10).

10. The capsule shell pipe blank extrusion winding production equipment according to claim 7, further comprising at least one clamping boosting device (70), wherein the clamping boosting device (70) is arranged at least one position between two adjacent extruder dies and the winding machine, on one side of the first extruder die (10) far away from the first winding machine (20), between the finishing end winding machine and the capsule shell cutting and separating equipment (50).

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