CN210733271U

CN210733271U - Flaring machine suitable for large-caliber PVC-U double-wall corrugated pipe

Info

Publication number: CN210733271U
Application number: CN201921201646.0U
Authority: CN
Inventors: 于洋; 任忠恩; 于淑翠; 乔秀艳
Original assignee: Dalian Sunlight Technology Co ltd
Current assignee: Dalian Sunlight Technology Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-06-12
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a flaring machine suitable for heavy-calibre PVC-U double-walled bellows, including heating furnace, flaring frame, conveyor and flaring tailstock, the oven of heating furnace is fixed on the base, and the inside back ejector sleeve device that is equipped with of oven, flaring frame are fixed on the base, are equipped with between heating furnace and the flaring frame to be used for the gliding connection slide of back ejector sleeve device, and conveyor's transport bracket, transmission are fixed on the base, and conveyor's transport drive sets up in the below of flaring frame, and the tailstock bracket of flaring tailstock, commentaries on classics roll and unload the pipe device and fix on the base in proper order. The pipe expanding machine preheats the pipe body before expanding the pipe body, and the protective curtain is arranged in front of the heating furnace, so that heat loss is prevented, energy is saved, and pipe expanding efficiency is improved. The flaring frame is provided with a cooling device, so that the flaring is more perfect, and the connection of the pipe body is more facilitated. The conveying device is more efficient in conveying the pipe body, the height of the conveying device can be adjusted, and the pipe body flaring device can be suitable for pipe body flares with different pipe diameters.

Description

Flaring machine suitable for large-caliber PVC-U double-wall corrugated pipe

Technical Field

The utility model relates to a double-walled bellows flaring machine especially relates to a flaring machine that is applicable to the heavy-calibre PVC-U double-walled bellows of 1.5 meters and above.

Background

The double-wall corrugated pipe is a novel pipe with corrugated outer wall and smooth inner wall. It has been widely used as a buried drain pipe, an underground cable pipe, etc. in a considerable range to replace conventional cast iron pipes, cement pipes, general plastic pipes, and wound corrugated pipes. At present, the main varieties of the double-wall corrugated pipe are polyvinyl chloride (PVC), high-density polyethylene (HDPE) and rigid polyvinyl chloride (PVC-U). Rigid polyvinyl chloride is widely used because of its light weight, high rigidity and strength, moisture resistance, corrosion resistance, low manufacturing cost, and the like. The outer diameter of the PVC-U double-wall corrugated pipe existing in the current market is mostly 800mm and 1000mm, and at present, many industries need PVC-U double-wall corrugated pipes with larger calibers, for example, the existing PVC-U double-wall corrugated pipe can not meet the market requirement.

The existing double-wall corrugated pipe expanding machine is not suitable for the double-wall corrugated pipe with large caliber.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a little, stable of error mainly is the flaring frame that is applicable to heavy-calibre PVC-U double-walled bellows, and the fashioned double-walled bellows diameter of this flaring machine is enough big, and application range is wide.

The flaring machine suitable for the large-caliber PVC-U double-wall corrugated pipe comprises a heating furnace, a flaring frame, a conveying device and a flaring machine tail frame, wherein the furnace wall of the heating furnace is fixed on a base, a back pipe pushing device is arranged inside the furnace wall, the flaring frame is fixed on the base, a connecting slideway for the back pipe pushing device to slide is arranged between the heating furnace and the flaring frame, a conveying bracket and a transmission device of the conveying device are fixed on the base, a conveying drive of the conveying device is arranged below the flaring frame, and the tail frame bracket, a rotating roller and a pipe unloading device of the flaring machine tail frame are sequentially fixed on the base.

Further optimize, the box of heating furnace in be equipped with thermal-insulated heat preservation, be equipped with the heating pipe in the box of heating furnace, the heating pipe includes interior heating pipe and outer heating pipe, outer heating pipe includes heating pipe and lower heating pipe, the heating pipe is fixed inside the oven through upper and lower guiding mechanism, the back ejector sleeve device is coaxial with interior heating pipe.

Further optimizing, heating furnace body export the place ahead be equipped with the protection curtain, the motor passes through spool drive protection curtain.

Further optimize, the flaring frame include the flaring die head, the flaring die head is fixed on the base, back push tube device can push away the body to the flaring die head, the top and the below of flaring die head all are equipped with cooling device.

Further optimize, back ejector sleeve device include push pedal and drive arrangement, drive arrangement fixes on the push pedal, the push pedal contacts with the body.

Further optimizing, the base on the place ahead of flaring frame set up the location fixture block that is used for the location body.

Further optimizing, the transmission device of the conveying device is hinged with the base, and a lead screw is arranged in front of the transmission device.

Further optimize, transmission include the conveyer belt, pull chain and transmission system, transmission system drive pull chain transmission and then drive the conveyer belt, carry the drive and provide power for transmission system.

Further preferably, the conveying device is provided with a photoelectric sensing switch.

Further optimize, for convenient transportation, the tailstock tray of flaring machine tailstock, change and roll and unload a tub device and independently fix on the base respectively, but the triplex transports alone during the transportation, assembles once more during the use.

The utility model has the advantages that: 1. the pipe expanding machine preheats the pipe body before expanding the pipe body, so that the pipe expanding efficiency is improved.

2. The protective curtain is arranged in front of the heating furnace, so that heat loss is prevented, energy is saved, and flaring efficiency is improved.

3. The height of the pipe body can be adjusted by the upper and lower adjusting mechanisms of the heating furnace, so that the pipe body flaring machine is suitable for pipe bodies with different diameters to flare, and is wider in application range.

4. The flaring frame is provided with a cooling device, so that the flaring is more perfect, and the connection of the pipe body is more facilitated.

5. The conveying device is more efficient in conveying the pipe body, the height of the conveying device can be adjusted, and the pipe body flaring device can be suitable for pipe body flares with different pipe diameters.

Drawings

FIG. 1 is a schematic view of a structure of a heating furnace.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a schematic structural view of the flaring frame.

Fig. 4 is a right side view of fig. 3.

Fig. 5 is a schematic structural diagram of the conveying device.

Fig. 6 is a right side view of fig. 5.

Fig. 7 is a schematic structural view of a tail stock of a flaring machine.

Fig. 8 is a schematic structural view of the protective curtain.

The labels in the figure are: 1-heating furnace, 2-flaring frame, 3-conveying device, 4-base, 5-flaring machine tailstock, 11-furnace wall, 12-rear pipe pushing device, 13-motor, 14-reel, 15-protective curtain, 16-heating pipe, 17-up-down adjusting mechanism, 18-pipe frame, 21-flaring die head, 22-cooling device, 23-positioning fixture block, 31-conveying drive, 32-bracket, 33-transmission device, 51-tailstock bracket, 52-rolling, 53-pipe unloading device, 121-push plate and 122-driving device.

Detailed Description

The flaring machine suitable for the large-caliber PVC-U double-wall corrugated pipe is further described below by combining the attached drawings.

The flaring machine suitable for the large-caliber PVC-U double-wall corrugated pipe comprises a heating furnace 1, a flaring frame 2, a conveying device 3 and a flaring machine tail frame 5, wherein a furnace wall 11 of the heating furnace 1 is fixed on a base 4, and a pipe orifice can be heated to a proper temperature by the heating furnace 1. The flaring function of body is accomplished to flaring frame 2, and conveyor 3 carries flaring tail frame 5 with tubular product rapidly, and flaring tail frame 5 can realize supporting the body to make the body can carry out automatic positioning according to different stations.

As shown in fig. 1 and 2, a heat insulation layer is arranged in the box body of the heating furnace 1, a plurality of groups of heating pipes 16 are arranged in the box body of the heating furnace 1, the heating pipes 16 can be divided into an outer heating pipe and an inner heating pipe according to the position of the heating double-wall corrugated pipe, the heating pipes are divided into an upper heating pipe and a lower heating pipe according to the outer heating pipe, and a thermocouple is arranged to detect the heating temperature of the outer heating pipe. The heating pipe 16 is fixed inside the furnace wall 11 through an up-down adjusting mechanism 17, the height of the heating pipe 16 can be adjusted through the up-down adjusting mechanism 17 according to the diameter of the pipe body by the upper heating pipe, and the heating material of the heating pipe 16 can be replaced according to the material of the pipe body. The back push pipe device 12 is arranged in the furnace wall 11, the back push pipe device 12 is coaxial with the inner heating pipe, the back push pipe device 12 is used for pushing the heated pipe body to the flaring die head 21 of the flaring machine, at the moment, the vacuum pump fixed on the base 4 is started, after time delay, the vacuum pump stops working, the back push pipe device 12 returns to the original position, meanwhile, the cooling device 22 is started, and the cooling device 22 can adopt a cooling fan or cooling water.

As shown in fig. 3 and 4, the flaring frame 2 is fixed on the base 4, a connecting slideway for sliding the back tube pushing device 12 is arranged between the heating furnace 1 and the flaring frame 2, the conveying bracket 32 and the transmission device 33 of the conveying device 3 are fixed on the base 4, the conveying drive 31 of the conveying device 3 is arranged below the flaring frame 2, and the tail frame bracket 51, the rotating roller 52 and the tube unloading device 53 of the flaring machine tail frame 5 are sequentially fixed on the base 4.

As shown in fig. 8, a protective curtain 15 is arranged in front of the outlet of the tube body of the heating furnace 1, the motor 13 drives the protective curtain 15 through the reel 14, and when the tube body is not transferred to the heating position, the protective curtain 15 is put down to prevent heat loss and save energy.

As shown in fig. 3, the flaring frame 2 includes a flaring die head 21, the flaring die head 21 is fixed on the base 4, the pipe pushing-back device 12 can push the pipe body to the flaring die head 21, and cooling devices 22 are arranged above and below the flaring die head 21. The back tube pushing device 12 comprises a pushing plate 121 and a driving device 122, the driving device 122 is fixed on the pushing plate 121, the pushing plate 121 contacts with the tube body, the driving device 122 can adopt an oil cylinder, the oil cylinder pushes the pushing plate 121, and the pushing plate 121 pushes the tube body to move towards the flaring die head 21. The locating fixture block 23 used for locating the pipe body is arranged in front of the flaring frame 2 on the base 4, and when the pipe body is flared, the locating fixture block 23 locates the pipe body to prevent the pipe body from moving.

As shown in fig. 5, the transmission device 33 of the conveying device 3 is connected with the base 4 through the hinge mechanism 334, when the conveying drive 31 stops working, the conveying device 3 can be separated from the tube body, the lead screw 34 is arranged in front of the transmission device 33, and the height of the lead screw 34 can be adjusted according to the diameter of the tube body, so that the tube body can be accurately conveyed to the tail frame 5 of the flaring machine.

As shown in fig. 6, the transmission device 33 includes a conveyor belt 331, a traction chain 332, and a transmission system 333, the transmission system 333 drives the traction chain 332 to drive and further drive the conveyor belt 331, and the conveyor drive 31 provides power for the transmission system 333.

As shown in fig. 7, for convenient transportation, the tailstock bracket 51, the rotating roller 52 and the tube unloading device 53 of the flaring machine tailstock 5 are respectively and independently fixed on the base 4, three parts can be transported separately during transportation, and are assembled again during use, the tube body is conveyed to the tailstock bracket 51 by the conveying device 3, the rotating roller 52 continuously drives the tube body to advance, and the tube body is conveyed to the tube unloading device 53.

In order to better control the conveying device 3, the conveying device 3 is provided with a photoelectric sensing switch.

The working process of the flaring machine comprises the following steps: the heating furnace 1 heats the pipe orifice to a proper temperature through the external heating pipe and the internal heating pipe, the back pipe pushing device 12 pushes the pipe body to the flaring die head 21, at the moment, the vacuum pump fixed on the base 4 is started, the vacuum pump stops after time delay, the back pipe pushing device 12 returns to the original position, meanwhile, the cooling device 22 is started, after the pipe body is cooled, the conveying oil cylinder of the conveying device 3 pushes the conveying bracket 32 to move forwards, the pipe orifice is pushed out of the flaring die head 21, and the pipe body is conveyed by the conveying device 3 and then is continuously conveyed forwards to the flaring machine tail frame 5.

The working process of the conveying device 3 is as follows: when the cutting machine gives a command (not shown in the drawing), the motor 13 drives the transmission system 333 and the traction chain 332 to further drive the conveyer belt 331 to convey the tube, when the tube is conveyed to the tailstock tray of the flaring machine tailstock 5, the photoelectric induction switch cannot sense the tube, namely, when the tube is separated from the photoelectric induction switch, the motor 13 stops rotating, the conveying drive 31 retracts, the traction chain 332 leaves the surface of the tube, the tube stops, and the tube can be stably stopped on the flaring machine tailstock 5.

The tail frame 5 of the flaring machine is used for placing a pipe body after flaring is finished. The main function is to support the tube and enable the tube to be automatically positioned. The tail bracket 51, the rotating roller 52 and the tube unloading device 53 of the tail frame 5 of the flaring machine are disassembled during transportation, are spliced together after being transported to a destination, are connected with the conveying device 3, and are subjected to height adjustment. The tube body is conveyed to the tailstock bracket 51 by the conveying device 3, and the rotating roller 52 continues to drive the tube body to move forward, so that the tube body is conveyed to the tube unloading device 53.

The foregoing illustrates and describes the principles, general structure, and advantages of the present invention. It will be understood by those skilled in the art that variations and modifications in size and orientation may be made without departing from the spirit and scope of the invention, which is intended to be protected by the following claims.

Claims

1. The utility model provides a flaring machine suitable for heavy-calibre PVC-U double-walled bellows, includes heating furnace, flaring frame, conveyor and flaring machine tailstock, its characterized in that: the furnace wall of the heating furnace is fixed on the base, a rear pipe pushing device is arranged in the furnace wall, the flaring frame is fixed on the base, a connecting slide way used for the rear pipe pushing device to slide is arranged between the heating furnace and the flaring frame, a conveying bracket and a transmission device of the conveying device are fixed on the base, the conveying drive of the conveying device is arranged below the flaring frame, and a tail frame bracket, a rotary roller and a pipe unloading device of the tail frame of the flaring machine are sequentially fixed on the base.

2. The flaring machine for large-caliber PVC-U double-wall corrugated pipe according to claim 1, characterized in that: the heating furnace is characterized in that a heat insulation layer is arranged in a box body of the heating furnace, a heating pipe is arranged in the box body of the heating furnace, the heating pipe comprises an inner heating pipe and an outer heating pipe, the outer heating pipe comprises an upper heating pipe and a lower heating pipe, the heating pipe is fixed inside a furnace wall through an upper adjusting mechanism and a lower adjusting mechanism, and the rear push pipe device is coaxial with the inner heating pipe.

3. The flaring machine for large-caliber PVC-U double-wall corrugated pipe according to claim 1, characterized in that: the front of the outlet of the heating furnace pipe body is provided with a protective curtain, and the motor drives the protective curtain through a scroll.

4. The flaring machine for large-caliber PVC-U double-wall corrugated pipe according to claim 1, characterized in that: the flaring frame comprises a flaring die head, the flaring die head is fixed on the base, the back pipe pushing device can push the pipe body to the flaring die head, and cooling devices are arranged above and below the flaring die head.

5. The flaring machine for large-caliber PVC-U double-wall corrugated pipe according to claim 2 or 4, characterized in that: the back push pipe device comprises a push plate and a driving device, the driving device is fixed on the push plate, and the push plate is in contact with the pipe body.

6. The flaring machine for large-caliber PVC-U double-wall corrugated pipe according to claim 1, characterized in that: and a positioning fixture block for positioning the pipe body is arranged in front of the flaring frame on the base.

7. The flaring machine for large-caliber PVC-U double-wall corrugated pipe according to claim 1, characterized in that: the transmission device of the conveying device is hinged with the base, and a lead screw is arranged in front of the transmission device.

8. The flaring machine for large-caliber PVC-U double-wall corrugated pipe according to claim 1, characterized in that: the transmission device comprises a conveying belt, a traction chain and a transmission system, the transmission system drives the traction chain to transmit so as to drive the conveying belt, and the conveying drive provides power for the transmission system.

9. The flaring machine for large-caliber PVC-U double-wall corrugated pipe according to claim 1, characterized in that: and the conveying device is provided with a photoelectric sensing switch.

10. The flaring machine for large-caliber PVC-U double-wall corrugated pipe according to claim 1, characterized in that: the tail frame tray, the rotary roller and the pipe unloading device of the tail frame of the flaring machine are respectively and independently fixed on the base.