阅读说明：本技术 一种塑料管的加工工艺及其加工设备 (Processing technology and processing equipment of plastic pipe ) 是由 芈强 于 2019-11-18 设计创作，主要内容包括：本发明公开了一种塑料管的加工工艺及其加工设备,包括冷却箱；所述所述冷却箱包括冷却箱体及出气管；所述出气管设置在冷却箱体靠近进口端的顶部；所述出气管包括出气管管体、缓冲汽体流速的出汽小孔、可拆卸的隔热连接套、阀门、与冷却箱体连通的连接管及阀门开关；所述阀门设置在连接管上；所述阀门开关安装在阀门上；所述连接管的出气端与出气管管体的进气端通过隔热连接套可拆卸连接；所述出气管管体靠近出气端的一段管体上均匀开设有多个出汽小孔,本发明,冷却箱中,雾汽的出口面积大幅度增大,出口单位面积内的雾汽量减少,雾汽的流速降低,喷射距离变短,安全性高。(The invention discloses a processing technique and processing equipment of a plastic pipe, comprising a cooling box; the cooling box comprises a cooling box body and an air outlet pipe; the air outlet pipe is arranged at the top of the cooling box body close to the inlet end; the gas outlet pipe comprises a gas outlet pipe body, a gas outlet small hole for buffering the flow rate of gas, a detachable heat insulation connecting sleeve, a valve, a connecting pipe communicated with the cooling box body and a valve switch; the valve is arranged on the connecting pipe; the valve switch is arranged on the valve; the air outlet end of the connecting pipe is detachably connected with the air inlet end of the air outlet pipe body through a heat insulation connecting sleeve; the section of the pipe body of the air outlet pipe close to the air outlet end is uniformly provided with a plurality of small air outlet holes.)

1. A processing equipment of plastic tubing which characterized in that: comprises a weigher, an extruder, a cooling box, a vacuum traction box, a cutting machine and a collecting device; the weighing device is arranged above the extruder and is communicated with a feed inlet of the extruder; the extruder, the cooling box, the vacuum traction box, the cutting machine and the collecting device are sequentially arranged according to the processing sequence of the plastic pipe;

the cooling box comprises a cooling box body and an air outlet pipe; the air outlet pipe is arranged at the top of the cooling box body close to the inlet end;

the gas outlet pipe comprises a gas outlet pipe body, a gas outlet small hole for buffering the flow rate of gas, a detachable heat insulation connecting sleeve, a valve, a connecting pipe communicated with the cooling box body and a valve switch; the valve is arranged on the connecting pipe; the valve switch is arranged on the valve; the air outlet end of the connecting pipe is detachably connected with the air inlet end of the air outlet pipe body through a heat insulation connecting sleeve; and a plurality of steam outlet small holes are uniformly formed in one section of the air outlet pipe body close to the air outlet end.

2. A plastic pipe processing apparatus according to claim 1, wherein: the cooling box also comprises a plurality of spray headers arranged in the cooling box body and a water liquid collector arranged at the outlet end of the cooling box body; the spray header is communicated with a water storage tank outside the cooling box body through a water inlet pipe; a water pump is arranged on the water inlet pipe; the water inlet pipe is communicated with the valve through a water inlet pipe guide sleeve; the water liquid collector is arranged below the outlet end of the cooling box body; the bottom of the water liquid collector is communicated with the water storage tank through a recovery pipe.

3. A plastic pipe processing apparatus according to claim 1, wherein: the cutting machine comprises a cutting machine body, a meter counting device and a limiting device; the length counting device and the limiting device are both arranged at the inlet end of the cutting machine body; the meter counting device is arranged above the limiting device;

the meter counting device comprises a fixed rod, a movable rod hinged on the fixed rod and a meter counter connected to the bottom end of the movable rod; the meter counter is contacted with the outer wall of the plastic pipe; the meter counter is electrically connected with a cutter switch in the cutting machine body.

4. A plastic pipe processing apparatus according to claim 3, wherein: the limiting device comprises a limiting column and a mounting plate; the mounting plate is fixed on the inlet end face of the cutting machine body; the limiting column is rotatably connected to the mounting plate; the limiting columns are correspondingly arranged on two sides of the plastic pipe.

5. A plastic pipe processing apparatus according to claim 1, wherein: the collecting device comprises a plurality of C-shaped supports, L-shaped collecting frames, fixed inclined plates, movable inclined plates and fixed cross beams, wherein the two ends of each C-shaped support are arranged upwards; the fixed cross beam is fixed on the C-shaped bracket; the fixed inclined plate is fixed on the C-shaped bracket; the movable inclined plate is rotatably connected to the fixed cross beam; the fixed inclined plate and the movable inclined plate form a V-shaped groove capable of accommodating a plastic pipe; the movable inclined plate rotates by taking the length direction of the fixed cross beam as an axis; the L-shaped collecting frame is fixed on the C-shaped bracket; the length of the L-shaped collecting frame is larger than the width of the movable inclined plate; the L-shaped collecting frame is arranged below the movable inclined plate, and can collect the plastic pipe placed between the movable inclined plate and the fixed inclined plate when the movable inclined plate rotates downwards.

6. An apparatus for processing a plastic pipe according to claim 5, wherein: the collecting device also comprises a connecting beam, a cylinder fixing frame, a cylinder, a hinge and a hinge; the bottoms of the C-shaped supports are fixedly connected through connecting cross beams; the heights of the two ends of the C-shaped bracket are different; the long edge port of the L-shaped collecting frame is fixed at the higher end of the C-shaped bracket; the rod body of the L-shaped collecting frame close to the corner is fixed on the end face of the lower end of the C-shaped support; the fixed cross beam is fixed on the end face of the higher end of the C-shaped bracket; the movable inclined plate is rotatably connected to the top of the fixed cross beam through a hinge; the cylinder fixing frame is fixed on the connecting cross beam; the cylinder is rotationally connected to the cylinder fixing frame; the output end of the cylinder pushes the movable inclined plate to move around the central axis of the fixed cross beam; the output end of the air cylinder is connected with the movable inclined plate through a hinge.

7. An apparatus for processing a plastic pipe according to claim 5, wherein: the collecting device also comprises a hinge shaft; the fixed inclined plate is connected with the movable inclined plate through a hinge shaft.

8. The processing technology of the plastic pipe is characterized by comprising the following steps of:

s1, feeding plastic particles into the extruder through a spiral feeding machine, and weighing and metering the materials at a feeding hopper by using a weighing machine;

s2, obtaining a plastic pipe with high temperature after extrusion molding by an extruder;

s3, cooling the plastic pipe with high temperature in a cooling box;

s4, the plastic pipe enters a vacuum traction box, and a traction device provides power for the advancing of the plastic pipe;

s5, the plastic pipe passes through a metering device, the length of the plastic pipe entering the cutting machine body is calculated, and when the target length is reached, the metering device sends an instruction to a cutter switch to cut off the plastic pipe;

and (5) feeding the plastic pipe cut by the S6 into a take-up device for take-up work.

9. A process of manufacturing a plastic tube according to claim 8, wherein: and in the step S3, the spray header is started, the cooling liquid is sprayed onto the plastic pipe, the vaporized high-temperature liquid is diffused outwards along the pipe body of the air outlet pipe, and the steam escapes to the outside air from the plurality of steam outlet small holes.

10. A process of manufacturing a plastic tube according to claim 8, wherein: in S6, the plastic pipe enters into a V-shaped groove formed by the fixed inclined plate and the movable inclined plate, after the part to be cut completely enters, the cylinder is started, the movable inclined plate is pulled by the output end of the cylinder to overturn around the hinge shaft to the collecting frame, after the movable inclined plate is lapped on the collecting frame, the plastic pipe rolls to the collecting frame along the inclination of the movable inclined plate and rolls into the collecting frame, and then the output end of the cylinder pushes the movable inclined plate to recover to the original position.

Technical Field

The invention relates to the technical field of processing of plastic pipes, in particular to a processing technology and processing equipment of a plastic pipe.

Background

Plastic pipes are generally produced by extruding synthetic resins, i.e. polyesters, as raw materials in a pipe-making machine by the "plastic" method with the addition of stabilizers, lubricants, plasticizers, etc.

A plastic pipe processing technology comprises three steps of extrusion, vacuum and cutting, for example, a comparison document with the patent number of CN205185285U discloses a speed-regulating cutting device for plastic pipe production, which comprises a plastic extruder, a vacuum tractor and a cutting machine which are sequentially arranged on the upper part of a first bracket, the comparison document is stated in the paragraph [0016] of the specification, a mould 2 enables plastic to be formed into a plastic pipe, the plastic is cooled through a cooling spray box 3 and is shaped, a pipe for discharging hot air is usually communicated with the top of the inlet end of the cooling spray box 3, when the plastic pipe which is just extruded and formed enters the cooling box, spray water is sprayed on the surface of the plastic pipe, a large amount of high-temperature white mist is generated and is discharged along an exhaust pipe, because the outlet direction of the pipe is unique and upward, and because the height of the outlet end of the exhaust pipe is not more than 1 meter 4, when an operator passes through the exhaust pipe with the height, accidents of scalding are easy to happen; secondly, in the production process of the plastic pipe, the cutting length of the plastic pipe is difficult to adjust, the cutting precision is low, when the traditional cutting machine is used for cutting the plastic pipe, the equal cutting length is ensured by setting the interval cutting time of the cutter, however, when the plastic pipe is changed into different cutting lengths, the interval cutting time of the cutter needs to be recalculated, the operation is complex, the speed of the vacuum traction equipment cannot be kept constant all the time, when the traction speed fluctuates, the plastic pipe with insufficient length or slightly long length can be generated according to the traditional cutting mode, and the cutting precision is low.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: provides a safe and simple plastic pipe processing technology and processing equipment thereof.

In order to solve the technical problems, the invention provides the following technical scheme: a processing device of a plastic pipe comprises a weigher, an extruder, a cooling box, a vacuum traction box, a cutting machine and a collecting device; the weighing device is arranged above the extruder and is communicated with a feed inlet of the extruder; the extruder, the cooling box, the vacuum traction box, the cutting machine and the collecting device are sequentially arranged according to the processing sequence of the plastic pipe;

the cooling box comprises a cooling box body and an air outlet pipe; the air outlet pipe is arranged at the top of the cooling box body close to the inlet end;

the gas outlet pipe comprises a gas outlet pipe body, a gas outlet small hole for buffering the flow rate of gas, a detachable heat insulation connecting sleeve, a valve, a connecting pipe communicated with the cooling box body and a valve switch; the valve is arranged on the connecting pipe; the valve switch is arranged on the valve; the air outlet end of the connecting pipe is detachably connected with the air inlet end of the air outlet pipe body through a heat insulation connecting sleeve; and a plurality of steam outlet small holes are uniformly formed in one section of the air outlet pipe body close to the air outlet end.

The plastic pipe which is just extruded and molded enters the cooling box body, so that cooling liquid sprayed by the spray header is vaporized, a large amount of high-temperature mist is generated, the high-temperature mist enters the pipe body of the air outlet pipe along the connecting pipe, and then is dispersed into a plurality of air flows when passing through the small air outlet holes, and is sprayed out from the small air outlet holes, the rest mist escapes from the top of the pipe body of the air outlet pipe, the outlet area of the mist is greatly increased, the amount of the mist in the unit area of the outlet is reduced, the flow rate of the mist is reduced, the spraying distance is shortened, and the safety is high.

Preferably, the cooling box further comprises a plurality of spray headers arranged in the cooling box body and a water liquid collector arranged at the outlet end of the cooling box body; the spray header is communicated with a water storage tank outside the cooling box body through a water inlet pipe; a water pump is arranged on the water inlet pipe; the water inlet pipe is communicated with the valve through a water inlet pipe guide sleeve; the water liquid collector is arranged below the outlet end of the cooling box body; the bottom of the water liquid collector is communicated with the water storage tank through a recovery pipe.

Have a large amount of cooling water on the plastic tubing that comes out from cooling tank body exit end, retrieve these cooling water through the water liquid collector that sets up for water resource cyclic utilization not only practices thrift the environmental protection, can reduce the use cost of water moreover.

Preferably, the cutting machine comprises a cutting machine body, a meter counting device and a limiting device; the length counting device and the limiting device are both arranged at the inlet end of the cutting machine body; the meter counting device is arranged above the limiting device;

the meter counting device comprises a fixed rod, a movable rod hinged on the fixed rod and a meter counter connected to the bottom end of the movable rod; the meter counter is contacted with the outer wall of the plastic pipe; the meter counter is electrically connected with a cutter switch in the cutting machine body.

The length of the plastic pipe entering the cutting machine body is measured by arranging the meter counter at the inlet end of the cutting machine body, when the length meets the requirement, the meter counter sends an electric signal to the cutter switch, the cutter is started, the plastic pipe is cut, and the cutting precision is high; when the cutting length is changed, the cutting length can be changed only by setting the length of the meter, and the change operation is simple.

Preferably, the limiting device comprises a limiting column and a mounting plate; the mounting plate is fixed on the inlet end face of the cutting machine body; the limiting column is rotatably connected to the mounting plate; the limiting columns are correspondingly arranged on two sides of the plastic pipe.

The entrance end of the cutting machine body is generally larger than the pipe diameter of the plastic pipe, and the limiting columns are arranged on two sides of the plastic pipe, so that the plastic pipe can be prevented from deviating from the meter counter.

Preferably, the collecting device comprises a plurality of C-shaped supports, L-shaped collecting frames, fixed inclined plates, movable inclined plates and fixed cross beams, wherein the two ends of each C-shaped support are arranged upwards; the fixed cross beam is fixed on the C-shaped bracket; the fixed inclined plate is fixed on the C-shaped bracket; the movable inclined plate is rotatably connected to the fixed cross beam; the fixed inclined plate and the movable inclined plate form a V-shaped groove capable of accommodating a plastic pipe; the movable inclined plate rotates by taking the length direction of the fixed cross beam as an axis; the L-shaped collecting frame is fixed on the C-shaped bracket; the length of the L-shaped collecting frame is larger than the width of the movable inclined plate; the L-shaped collecting frame is arranged below the movable inclined plate, and can collect the plastic pipe placed between the movable inclined plate and the fixed inclined plate when the movable inclined plate rotates downwards.

Preferably, the collecting device further comprises a connecting beam, a cylinder fixing frame, a cylinder, a hinge and a hinge; the bottoms of the C-shaped supports are fixedly connected through connecting cross beams; the heights of the two ends of the C-shaped bracket are different; the long edge port of the L-shaped collecting frame is fixed at the higher end of the C-shaped bracket; the rod body of the L-shaped collecting frame close to the corner is fixed on the end face of the lower end of the C-shaped support; the fixed cross beam is fixed on the end face of the higher end of the C-shaped bracket; the movable inclined plate is rotatably connected to the top of the fixed cross beam through a hinge; the cylinder fixing frame is fixed on the connecting cross beam; the cylinder is rotationally connected to the cylinder fixing frame; the output end of the cylinder pushes the movable inclined plate to move around the central axis of the fixed cross beam; the output end of the air cylinder is connected with the movable inclined plate through a hinge.

Preferably, the take-up device further comprises a hinge shaft; the fixed inclined plate is connected with the movable inclined plate through a hinge shaft.

A processing technology of a plastic pipe comprises the following steps:

s1, feeding plastic particles into the extruder through a spiral feeding machine, and weighing and metering the materials at a feeding hopper by using a weighing machine;

s2, obtaining a plastic pipe with high temperature after extrusion molding by an extruder;

s3, cooling the plastic pipe with high temperature in a cooling box;

s4, the plastic pipe enters a vacuum traction box, and a traction device provides power for the advancing of the plastic pipe;

s5, the plastic pipe passes through a metering device, the length of the plastic pipe entering the cutting machine body is calculated, and when the target length is reached, the metering device sends an instruction to a cutter switch to cut off the plastic pipe;

and (5) feeding the plastic pipe cut by the S6 into a take-up device for take-up work. .

Preferably, in S3, the spray header is activated, the cooling liquid is sprayed onto the plastic tube, the vaporized high-temperature liquid is diffused outward along the outlet tube body, and the vapor escapes to the outside air from the plurality of vapor outlet holes; the outlet area of the steam is increased to reduce the steam content in unit area, thereby reducing the impact force of the steam and improving the safety.

Preferably, in S6, the plastic pipe enters a V-shaped groove formed by the fixed inclined plate and the movable inclined plate, after the part to be cut completely enters, the air cylinder is started, the output end of the air cylinder pulls the movable inclined plate to turn around the hinge shaft to the collecting frame, after the movable inclined plate is lapped on the collecting frame, the plastic pipe rolls to the collecting frame along the inclination of the movable inclined plate and rolls into the collecting frame, and then the output end of the air cylinder pushes the movable inclined plate to return to the original position; collect the operation automation, the plastic tubing after the cutting off guides to collect on the frame, prevents that subsequent plastic tubing from being blocked by preceding plastic tubing, and then the cutting off work that leads to stops, collects the setting of frame, has improved the continuity of production.

The plastic pipe which is just extruded and molded enters the cooling box body, so that cooling liquid sprayed by the spray header is vaporized, a large amount of high-temperature mist is generated, the high-temperature mist enters the pipe body of the air outlet pipe along the connecting pipe, and then is dispersed into a plurality of air flows when passing through the small air outlet holes, and is sprayed out from the small air outlet holes, the rest mist escapes from the top of the pipe body of the air outlet pipe, the outlet area of the mist is greatly increased, the amount of the mist in the unit area of the outlet is reduced, the flow rate of the mist is reduced, the spraying distance is shortened, and the safety is high; the plastic pipe enters a V-shaped groove formed by the fixed inclined plate and the movable inclined plate, after a part to be cut completely enters the groove, the air cylinder is started, the output end of the air cylinder pulls the movable inclined plate to turn around the hinge shaft to the collecting frame, after the movable inclined plate is lapped on the collecting frame, the plastic pipe rolls to the collecting frame along the inclination of the movable inclined plate and rolls into the collecting frame, and then the output end of the air cylinder pushes the movable inclined plate to recover to the original position; collect the operation automation, the plastic tubing after the cutting off guides to collect on the frame, prevents that subsequent plastic tubing from being blocked by preceding plastic tubing, and then the cutting off work that leads to stops, collects the setting of frame, has improved the continuity of production.

Compared with the prior art, the invention has the beneficial effects that:

A. when the mist in the cooling box body passes through the vapor outlet small holes, the mist is dispersed into a plurality of air flows and is sprayed out from the vapor outlet small holes, the rest mist escapes from the top of the tube body of the vapor outlet tube, the area of the outlet of the mist is greatly increased, the amount of the mist in the unit area of the outlet is reduced, the flow speed of the mist is reduced, the spraying distance is shortened, and the safety is high;

B. a large amount of cooling water is arranged on the plastic pipe from the outlet end of the cooling box body, and the cooling water is recycled through the arranged water liquid collector, so that water resources are recycled, the environment is saved, and the use cost of water can be reduced; the length of the plastic pipe entering the cutting machine body is measured by arranging the meter counter at the inlet end of the cutting machine body, when the length meets the requirement, the meter counter sends an electric signal to the cutter switch, the cutter is started, the plastic pipe is cut, and the cutting precision is high; when the cutting length is changed, the cutting length can be changed only by setting the length of the meter counter, and the changing operation is simple; collect the operation automation, the plastic tubing after the cutting off guides to collect on the frame, prevents that subsequent plastic tubing from being blocked by preceding plastic tubing, and then the cutting off work that leads to stops, collects the setting of frame, has improved the continuity of production.

Drawings

Fig. 1 is a schematic overall structure diagram of a plastic pipe processing apparatus according to a first embodiment of the present invention;

FIG. 2 is a front view of the cooling box according to the first embodiment of the present invention;

FIG. 3 is a front view of the outlet tube according to the first embodiment of the present invention;

FIG. 4 is a front view of a cutting machine according to a first embodiment of the present invention;

FIG. 5 is an isometric view of a take-up stand according to one embodiment of the present invention;

fig. 6 is a schematic view illustrating an installation of a fixed inclined plate and a movable inclined plate according to a first embodiment of the present invention.

Detailed Description

In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will be further described with reference to the drawings attached to the specification.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.