CN105690717B - Manufacturing system and manufacturing method of sealed heat preservation pipe - Google Patents

Abstract

The invention discloses a manufacturing system and a manufacturing method of a sealed heat-insulating pipe, which comprises a forming machine, a pipe skin extruder and a sealed extruder, wherein the pipe skin extruder and the sealed extruder are respectively arranged on one side of the forming machine; the pipe skin extrusion machine is characterized in that a blow molding pipeline is arranged at one end of the forming die and communicated with the accommodating space, one end of the blow molding pipeline is connected with a connecting block, and the pipe skin extrusion machine and the sealing extrusion machine are communicated with the blow molding pipeline through the connecting block respectively. The invention sets the inductive switch at one end of the transmission rod, and utilizes the inductive switch to control the on-off state of the sealing extruder to quantitatively supply the sealing material, so that the sealing layer is welded on the inner side wall of the pipeline body at intervals, and the manufacturing cost is well saved.

Description

Manufacturing system and manufacturing method of sealed insulation pipe

technical field

The invention relates to the field of pipe product processing, in particular to a manufacturing system and method for a sealed insulation pipe.

Background technique

At present, the sealed heat preservation pipe on the market includes a pipe body and a sealing layer, wherein the sealing layer is fixed on both ends of the pipe body through manual assembly. To achieve the sealing effect, there are major problems such as air leakage in this fixing method, which needs to be judged by manual inspection again, resulting in increased labor costs and inability to produce automatically.

Contents of the invention

Based on this, it is necessary to address the deficiencies of the prior art and provide a manufacturing system and manufacturing method for a sealed insulation pipe, which is simple in operation, high in production efficiency, and good in sealing effect without increasing the original investment and energy loss.

In order to solve the above-mentioned technical problems, the technical solution adopted in the present invention is: a manufacturing system of a sealed insulation pipe, which includes a forming machine, a tube skin extruder and a sealing extruder, and the tube skin extruder and the sealing extruder The output machine is respectively arranged on one side of the molding machine, and the molding machine includes a first conveying mechanism, a second conveying mechanism and a forming mold, and the first conveying mechanism and the second conveying mechanism are respectively arranged above and below the forming mold;

One end of the forming mold is provided with a blowing pipe, and the blowing pipe communicates with the accommodation space. Pipe connection.

In one of the embodiments, the first conveying mechanism includes a first conveyor belt and a first roller, and the first roller drives the first conveyor belt to rotate circularly, and the second conveying mechanism includes a second conveyor belt and a second roller, so The second roller drives the second conveyor belt to rotate circularly; the forming mold includes an upper mold base and a lower mold base, the upper mold base is fitted on the first conveyor belt, and the upper mold base is set in linkage with the first conveyor belt, The lower mold base is attached to the second conveyor belt, and the lower mold base is set in linkage with the second conveyor belt.

In one of the embodiments, the forming mold further includes a transmission rod, and the transmission rod is arranged in the accommodating space formed by the upper mold base and the lower mold base; the upper mold base is driven by the first conveyor belt Running along the direction of the transmission rod, the lower mold base is driven by the second conveyor belt to operate along the direction of the transmission rod; the upper mold base and the lower mold base are respectively provided with joint molds and pipe body molds at intervals.

In one of the embodiments, a quantitative extrusion mechanism is provided at one end of the sealed extruder, and the quantitative extrusion mechanism communicates with the connecting block, and an induction switch is provided at one end of the transmission rod, and the induction switch is used to Control the switch state of the quantitative extrusion mechanism.

In one of the embodiments, the blow molding pipeline is provided with a skin channel and a sealing channel, and the tube skin channel is arranged outside the sealing channel; the tube skin extruder is connected to the tube skin channel through a connecting block, The sealed extruder is connected with the sealed channel through a connecting block.

In one of the embodiments, the tube skin extruder and the sealing extruder are vertically arranged at an angle of 90°.

A method for manufacturing a sealed insulation pipe, comprising the steps of:

(1), the first conveying mechanism and the second conveying mechanism drive the forming mold to rotate along the conveying rod;

(2) Turn on the pipe skin extruder, heat-melt the pipe skin material and transport it into the pipe skin channel to form a pipe body, and the pipe body is fitted on the joint mold and the inner wall of the pipe body mold;

(3), the first conveying mechanism and the second conveying mechanism drive the forming mold to continue to rotate, the length of the pipe body formed in the forming mold increases, and the sensor switch senses the joint mold and sends a signal to the sealing extruder;

(4) The sealing extruder transports the sealing material into the sealing channel through the quantitative extrusion mechanism to form a sealing layer, and the sealing layer is closely attached to the inner wall of the pipe body.

In one embodiment, the pipe skin material is one of PE, PVC, PP, EVA or ABS.

In one embodiment, the sealing material is PE, PVC, TPE or TPR.

In one embodiment, the inner working temperature of the tube skin extruder is 135-250°C, and the inner working temperature of the sealing extruder is 120-250°C.

To sum up, the manufacturing system and manufacturing method of the sealed insulation pipe of the present invention set an induction switch at one end of the transmission rod, and use the induction switch to control the switching state of the sealing extruder to quantitatively supply the sealing material, so that the sealing layer is welded at intervals On the inner side wall of the pipe body, the manufacturing cost is well saved; in addition, by controlling the temperature of the sealing material extruded by the sealing extruder, the sealing material is welded to the inner side wall of the pipe body at a higher temperature, and there is no need to re-seal The sealing material can be welded with the inner wall of the pipe body by heating, which reduces the operating procedures, saves energy, and effectively improves production efficiency; the sealing layer after welding forms a seamless connection with the end of the pipe body, so no leakage occurs Phenomenon, the integrated air-conditioning sealed insulation pipe is also very convenient in assembly, and will not cause air leakage problems due to the connection gap between the sealing layer and the pipe body. The failure problem caused by it has effectively improved the quality of product use.

Description of drawings

Fig. 1 is the structural principle diagram of the manufacturing system of sealed insulation pipe of the present invention;

Fig. 2 is an enlarged view of part of the structure of the manufacturing system of the sealed insulation pipe of the present invention shown in Fig. 1 .

Detailed ways

In order to further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

As shown in Fig. 1 and Fig. 2, the manufacturing system of the sealed insulation pipe of the present invention comprises a forming machine 100, a tube skin extruder 200 and a sealing extruder 300, and the tube skin extruder 200 and the sealing extruder 300 are respectively It is arranged on one side of the forming machine 100. Specifically, the tube skin extruder 200 and the sealing extruder 300 are vertically arranged at an angle of 90°. The forming machine 100 includes a first conveying mechanism 110, a second conveying mechanism 120 and Forming mold 130, the first conveying mechanism 110 and the second conveying mechanism 120 are respectively arranged above and below the forming mold 130, the first conveying mechanism 110 includes a first conveyor belt 111 and a first roller 112, and the first The roller 112 drives the first conveyor belt 111 to rotate circularly. The second conveying mechanism 120 includes a second conveyor belt 121 and a second roller 122 . The second roller 122 drives the second conveyor belt 121 to rotate circularly.

The molding die 130 includes an upper mold base 131, a lower mold base 132 and a transmission rod 133, and the transmission rod 133 is arranged in the horizontal direction. Specifically, the transmission rod 133 is arranged on the upper mold base 131 and the lower mold base 132 In the accommodating space 134 formed by enclosing; the upper mold base 131 is fitted on the first conveyor belt 111, and the upper mold base 131 is set in linkage with the first conveyor belt 111, and the upper mold base 131 is placed on the first conveyor belt. Driven by 111, it operates to the left along the direction of the transmission rod 133. The lower mold base 132 is fitted on the second conveyor belt 121, and the lower mold base 132 is set in linkage with the second conveyor belt 121. The lower mold base 132 Driven by the second conveyor belt 121, it moves leftward along the direction of the transmission rod 133; the upper mold base 131 and the lower mold base 132 are separately provided with joint molds (not shown) and pipe body molds (not shown).

The right end of the forming mold 130 is provided with a blowing pipe 400, the blowing pipe 400 communicates with the accommodating space 134, one end of the blowing pipe 400 is connected to the connection block 500, and the tube skin extruder 200 is connected to the sealing extruder. Exit machine 300 communicates with blow molding pipeline 400 respectively through connecting block 500, specifically, described blow molding pipeline 400 is provided with tube skin channel 410 and sealing channel 420, and described tube skin channel 410 is arranged on the outside of sealing channel 420; The tube skin extruder 200 is connected to the tube skin channel 410 through the connecting block 500 , and the sealing extruder 300 is connected to the sealing channel 420 through the connecting block 500 .

In one of the embodiments, one end of the sealing extruder 300 is also provided with a quantitative extrusion mechanism 310, the quantitative extrusion mechanism 310 communicates with the connecting block 500, and one end of the transmission rod 133 is provided with an induction switch (Fig. not shown), the induction switch is used to control the switching state of the quantitative extrusion mechanism 310, so that the sealing layer material extruded from the sealing extruder 300 can be quantitatively supplied into the blowing channel, so that in the molding die 130 The dimensions of the formed sealant conform to preset standards.

According to the above-mentioned manufacturing system of the sealed heat-insulating pipe of the present invention, the present invention provides a manufacturing method of the sealed heat-insulating pipe, which has simple operation, high production efficiency and good sealing effect without increasing the original investment and energy loss.

The manufacture method of the sealed insulation pipe of the present invention comprises the following steps:

(1), the first conveying mechanism 110 and the second conveying mechanism 120 drive the forming mold 130 to rotate to the left along the conveying rod 133;

(2) Turn on the pipe skin extruder 200, heat-melt the pipe skin material and transport it to the pipe skin channel 410 to form a pipe body; wherein, the pipe body is fitted on the joint mold and the inner wall of the pipe body mold, and the pipe skin The material is hard plastic material, specifically, the pipe skin material is PE (polyethylene plastic), PVC (Polyvinyl Chloride, polyvinyl chloride), PP (polypropylene plastic), EVA (ethylene-vinyl acetate copolymer) or ABS ( Acrylonitrile-butadiene-styrene plastic), the internal working temperature of the tube skin extruder 200 is 135-250°C;

(3), the first conveying mechanism 110 and the second conveying mechanism 120 drive the forming mold 130 to continue to rotate, the length of the pipe body formed in the forming mold 130 increases, and the sensor switch senses the joint mold and sends a signal to the sealing extrusion machine 300;

(4), the sealing extruder 300 transports the sealing material to the sealing channel 420 through the quantitative extrusion mechanism 310 to form a sealing layer, and the sealing layer is closely attached to the inner wall of the pipeline body; wherein, the sealing layer is matched with the joint mold , the sealing material is soft plastic material, specifically, the sealing material is PE (polyethylene plastic), PVC (Polyvinyl Chloride, polyvinyl chloride), TPE (Thermoplastic Elastomer, thermoplastic elastomer) or TPR (Thermoplastic Rubber, thermoplastic rubber) , the internal working temperature of the sealed extruder 300 is 120-250°C;

(5) The formed pipe body is driven by the first conveying mechanism 110 and the second conveying mechanism 120 to move to the left along the conveying rod 133, and the pipe body with the sealing layer is cut with a cutting knife to make a finished product.

Since the induction switch controls the switching state of the sealing extruder 300, it is ensured that the size of the sealing layer formed by the sealing material extruded from the sealing extruder 300 through the sealing channel 420 meets the preset standard, and the internal extrusion of the sealing extruder 300 The effective control of the sealing material produced can greatly save the manufacturing cost.

In addition, the sealing material extruded by the sealing extruder 300 has a relatively high temperature, so that after the sealing material is laminated with the sealing layer formed by the sealing channel 420 and the formed pipe body, it is not necessary to heat the sealing material again The inner wall of the pipe body is welded, which reduces the operating procedures, saves energy, and effectively improves production efficiency; the sealing layer after welding forms a seamless connection with the end of the pipe body, so there will be no leakage, and it becomes an integrated air-conditioning seal The insulation pipe is also very convenient to assemble, and there will be no air leakage caused by the connection gap between the sealing layer and the pipe body. There is no need to manually check the air tightness, which avoids the failure caused by the product during use, and effectively improves The quality of product use.

To sum up, the manufacturing system and manufacturing method of the sealed insulation pipe of the present invention set an induction switch at one end of the transmission rod 133, and use the induction switch to control the switch state of the sealing extruder 300 to quantitatively supply the sealing material, so that the sealing layer The inner wall of the pipe body is welded at intervals, which saves the manufacturing cost; in addition, by controlling the temperature of the sealing material extruded by the sealing extruder 300, the sealing material is welded with the inner wall of the pipe body at a higher temperature, without The sealing material needs to be heated again to be welded to the inner wall of the pipe body, which reduces the operating procedures, saves energy, and effectively improves production efficiency; after welding, the sealing layer forms a seamless connection with the end of the pipe body, so it will not Leakage occurs, and the integrated air-conditioning sealed insulation pipe is also very convenient to assemble, and will not cause air leakage problems due to the connection gap between the sealing layer and the pipe body. The failure problems caused during use have effectively improved the quality of product use.

The above-mentioned embodiments only express several implementations of the present invention, and the description thereof is relatively specific and detailed, but should not be construed as limiting the scope of the present invention. It should be pointed out that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the appended claims.

Claims (6)

1. A kind of 1. manufacture system of sealing thermal insulation pipe, it is characterised in that：Including forming machine（100）, pipe skin extruder（200）It is and close Seal extruder（300）, the pipe skin extruder（200）And sealing extruder（300）It is separately positioned on forming machine（100）Side, The forming machine（100）Including the first conveying mechanism（110）, second conveyor structure（120）And mould（130）, described One conveying mechanism（110）And second conveyor structure（120）It is separately positioned on mould（130）Over and under；

   The mould（130）One end is provided with blowing pipeline（400）, the blowing pipeline（400）Connect accommodation space （134）, the blowing pipeline（400）One end connects contiguous block（500）, the pipe skin extruder（200）With sealing extruder （300）Pass through contiguous block respectively（500）With being blow molded pipeline（400）Connection；The blowing pipeline（400）It is provided with pipe skin passage （410）And sealing passage（420）, the pipe skin passage（410）It is arranged on sealing passage（420）Outside portion；The pipe skin extrusion Machine（200）Pass through contiguous block（500）With pipe skin passage（410）It is attached, the sealing extruder（300）Pass through contiguous block （500）With sealing passage（420）It is attached；

   First conveying mechanism（110）Including the first conveyer belt（111）And first roller（112）, first roller（112） Drive the first conveyer belt（111）Cycle rotation, the second conveyor structure（120）Including the second conveyer belt（121）And second rolling Wheel（122）, second roller（122）Drive the second conveyer belt（121）Cycle rotation；

   The mould（130）Including upper bolster（131）And die shoe（132）, the upper bolster（131）Fitting is arranged on the One conveyer belt（111）On, the upper bolster（131）With the first conveyer belt（111）Linkage is set, the die shoe（132）Fitting It is arranged on the second conveyer belt（121）On, the die shoe（132）With the second conveyer belt（121）Linkage is set；

   The mould（130）Also include driven rod（133）, the driven rod（133）It is arranged on upper bolster（131）With lower mould Seat（132）Enclose and set the accommodation space to be formed（134）It is interior；The upper bolster（131）In the first conveyer belt（111）Drive lower edge pass Send bar（133）Direction operates, the die shoe（132）In the second conveyer belt（121）Drive under along driven rod（133）Transport in direction Make；The upper bolster（131）And die shoe（132）On be respectively provided with joint mold and pipe shaft mould；

   The sealing extruder（300）One end is additionally provided with squeezing out quantitative mechanism（310）, the squeezing out quantitative mechanism（310）With Contiguous block（500）Connection, the driven rod（133）End is provided with inductive switch, and the inductive switch is quantitative to control Extrusion mechanism（310）On off state, utilize inductive switch control sealing extruder（300）On off state come to encapsulant Carry out weight feed so that madial wall of the sealant discontinuous welding in pipeline body.
2. 2. the manufacture system of sealing thermal insulation pipe according to claim 1, it is characterised in that：The pipe skin extruder（200） With sealing extruder（300）It is vertically arranged in 90 ° of angles.
3. 3. a kind of manufacture method of sealing thermal insulation pipe, the manufacture method of the sealing thermal insulation pipe is utilized such as any one of claim 1 ~ 2 The manufacture system of described sealing thermal insulation pipe, it is characterised in that comprise the following steps：

   （1）, the first conveying mechanism（110）And second conveyor structure（120）Drive mould（130）Along driven rod（133）Turn It is dynamic；

   （2）, tube used for bottom pouring skin extruder（200）, pipe skin passage is delivered to after pipe leather material is heated（410）Inside it is shaped to pipeline Body, pipeline are shown consideration for conjunction and are arranged on joint mold and pipe shaft die inside wall；

   （3）, the first conveying mechanism（110）And second conveyor structure（120）Drive mould（130）It is rotated further, is being molded Mould（130）With increase, inductive switch senses to be sent a signal to sealing after joint mold and squeezes the pipeline body length of middle shaping Go out machine（300）；

   （4）, sealing extruder（300）Pass through squeezing out quantitative mechanism（310）Encapsulant is delivered to sealing passage（420）It is interior into Type is sealant, and sealant is fitted tightly in pipeline body in side wall.
4. A kind of 4. manufacture method of sealing thermal insulation pipe as claimed in claim 3, it is characterised in that：The pipe leather material be PE, One kind in PVC, PP, EVA or ABS.
5. A kind of 5. manufacture method of sealing thermal insulation pipe as claimed in claim 3, it is characterised in that：The encapsulant be PE, PVC, TPE or TPR.
6. A kind of 6. manufacture method of sealing thermal insulation pipe as claimed in claim 3, it is characterised in that：The pipe skin extruder （200）Internal operating temperature is 135 ~ 250 DEG C, the sealing extruder（300）Internal operating temperature is 120 ~ 250 DEG C.