Device for removing bubbles in plastic pipeline machining process

Abstract

The utility model provides a device for removing bubbles in the plastic pipeline machining process, and belongs to the technical field of plastic pipeline production. The device for removing the bubbles in the plastic pipeline machining process comprises a cooling water tank, a plurality of discs which are fixedly arranged at intervals and used for supporting and molding a pipe blank, and a washing part, when the device is used, cooling water flushes the pipe blank through a water outlet of a water outlet pipe, so that water on the pipe blank circulates, and the bubbles on the surface of a pipe can be washed away; according to the device for removing the bubbles in the plastic pipeline machining process, the position of a water outlet of a water outlet pipe can be flexibly adjusted according to the model of a pipe blank, in addition, the water outlet pressure of the water outlet pipe can be conveniently adjusted, and the machining efficiency is improved. The appearance defect caused by local overheating shrinkage of the partial surface of the pipe is effectively overcome, the control requirement for bubble treatment on the surface of the pipe in the production link is greatly met, and the appearance quality of the pipe is improved.

Description

Technical Field

[0001] The present application relates to the technical field of plastic pipe production, and in particular to a device for removing bubbles during the processing of plastic pipes. Background Art

[0002] Traditional small-diameter plastic pipes such as PPR and PERT are generally produced by vacuum water-cooling molding, and with the improvement of production technology, the speed is getting faster and faster. Since the O2, CO2 and other gases dissolved in ordinary cooling water during operation are easily adsorbed on the surface of the pipe, the pipe in the bubble cannot be cooled in time, resulting in high surface temperature of PPR and PERT in the bubble, large shrinkage, and surface defects such as pits. Utility Model Content

[0003] In order to make up for the above shortcomings, the present application provides a device for removing bubbles in the processing of plastic pipes, aiming to improve the traditional PPR, PERT and other small-diameter plastic pipes generally adopt vacuum water cooling molding production method, and with the improvement of production technology, the speed is getting faster and faster. Since the O2, CO2 and other gases dissolved in ordinary cooling water during operation are easily adsorbed on the surface of the pipe, the pipe in the bubble cannot be cooled in time, resulting in high surface temperature of PPR and PERT in the bubble, large shrinkage, and the formation of surface defects such as pits.

[0004] This application is implemented as follows:

[0005] The present application provides a device for removing bubbles during the processing of plastic pipes, comprising a cooling water tank, a plurality of discs fixedly arranged at intervals for supporting and shaping the pipe blank, and a flushing component;

[0006] The flushing component includes a water pipe, a plurality of water outlet pipes which are connected to the water pipe and have water outlet ends spaced a predetermined distance from the tube blank for flushing the tube blank. The water in the water outlet pipes flushes onto the tube blank so that the water on the tube blank circulates to flush away the bubbles on the tube blank.

[0007] In one embodiment of the present application, a sizing sleeve and an observation window are provided on the cooling water tank, the sizing sleeve and the observation window are both provided on the cooling water tank, and one end of the water conduit passes through the observation window.

[0008] In one embodiment of the present application, it also includes a water injection pipe, a liquid level sensor and a drain pipe, the water injection pipe and the drain pipe are both arranged on the cooling water tank, and the liquid level sensor is fixed on the outer wall of the cooling water tank.

[0009] In one embodiment of the present application, a bellows is further included, and the bellows is arranged on the water conduit.

[0010] In one embodiment of the present application, the flushing component also includes a support rod, a valve, a guide sleeve and a locking piece, one end of the support rod is fixed to the lower surface of the disc, the other end of the support rod is fixed to the inner wall of the cooling water tank, the guide sleeve is fixed to the outer wall of one of the water outlet pipes, the guide sleeve is slidably mounted on the support rod, and the locking piece is threaded through the guide sleeve.

[0011] In one embodiment of the present application, the water outlet of the water outlet pipe is 2-5 mm away from the lower surface of the disc, the diameter of the water outlet of the water outlet pipe is 7-9 mm, the working pressure of the water outlet pipe is 0.1-0.3 MPa, and the shape of the water outlet of the water outlet pipe is flat or semicircular.

[0012] The beneficial effects of the present application are as follows: the present application obtains a device for removing bubbles in the processing of plastic pipes through the above-mentioned design. When in use, according to the model of the small-diameter plastic pipe, the guide sleeve is moved to adjust the position of the guide sleeve on the support rod, that is, to adjust the distance between the water outlet of the water outlet pipe and the lower surface of the disc. After adjustment, the guide sleeve is held and the locking piece is rotated. The end of the locking piece is fixed on the support rod by squeezing the outer wall of the support rod, so that the guide pipe is fixed. Cooling water is injected into the cooling water tank through the water injection pipe to ensure that the pipe blank is immersed in the cooling water. The drain pipe drains the water. Under the joint action of the water injection pipe, the liquid level sensor and the drain pipe, the water volume in the cooling water tank is at the set value. The traction machine gives a traction force to the pipe blank, and the pipe blank It passes through the sizing sleeve and the disc in turn and finally goes out of the cooling water tank. When the tube billet passes through the cooling water tank, the valve is opened to control the size of the valve opening. The cooling water is flushed onto the tube billet through the outlet of the outlet pipe, so that the water on the tube billet circulates, which can wash away the bubbles on the surface of the pipe and prevent the surface of the pipe from cooling unevenly and causing pits due to the attached bubbles. The device for removing bubbles in the processing of plastic pipes can flexibly adjust the outlet position of the outlet pipe according to the model of the tube billet. In addition, it is also convenient to adjust the outlet water pressure of the outlet pipe, effectively improving the appearance defects caused by local overheating and shrinkage on the surface of the pipe, greatly meeting the control needs of the production link for the bubble treatment on the surface of the pipe, and improving the appearance quality of the pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1It is a schematic diagram of the three-dimensional structure of a device for removing bubbles in a plastic pipe processing process provided by an embodiment of the present application;

[0015] Figure 2 A cross-sectional view of a cooling water tank provided for an embodiment of the present application;

[0016] Figure 3 A schematic diagram of the three-dimensional structure of the water conduit provided in the embodiment of the present application;

[0017] Figure 4 Provided for the implementation of this application Figure 3 Magnified view of area A.

[0018] In the figure: 110 - cooling water tank; 120 - tank cover; 130 - sizing sleeve; 140 - water filling pipe; 150 - liquid level sensor; 160 - drain pipe; 170 - buckle; 180 - observation window; 190 - disc; 191 - support rod; 192 - water guide pipe; 193 - bellows; 194 - valve; 195 - guide sleeve; 196 - locking piece; 197 - water outlet pipe. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0020] Example

[0021] See also Figure 1 - Figure 4 The present application provides a technical solution: a device for removing bubbles during the processing of plastic pipes, comprising a cooling water tank 110, a sizing sleeve 130, an observation window 180, a disc 190, a support rod 191, a water guide pipe 192, a valve 194, a guide sleeve 195 and a locking member 196, wherein the sizing sleeve 130 is fixedly mounted on the cooling water tank 110, the observation window 180 is arranged on the cooling water tank 110, one end of the support rod 191 is fixed on the disc 190, and the other end of the support rod 191 is fixed on the disc 190. One end is fixed to the inner wall of the cooling water tank 110, and also includes a box cover 120 and a buckle 170. The box cover 120 is fixed to the cooling water tank 110 by a hinge. Different parts of the buckle 170 are respectively fixed to the outer walls of the cooling water tank 110 and the box cover 120. The arrangement of the buckle 170 facilitates the opening of the box cover 120. The arrangement of the box cover 120 facilitates the flexible adjustment of the height of the water outlet of the water guide pipe 192. The tube blank in this embodiment is a plastic pipe such as PRR and PERT.

[0022] The guide sleeve 195 is fixed on the outer wall of the water pipe 192, and the guide sleeve 195 is slidably sleeved on the support rod 191. The locking member 196 is threadedly penetrated through the guide sleeve 195. The locking member 196 in this embodiment is a bolt. One end of the water pipe 192 penetrates the observation window 180. The valve 194 is arranged on the water pipe 192. The water pipe 192 is arranged in the cooling water tank 110. The water outlet of the water pipe 192 is arranged corresponding to the disc 190. There are multiple discs 190, and the inner diameters of the multiple discs 190 are successively smaller from right to left. The multiple discs 190 can improve the production efficiency of the pipeline and support and shape the pipe blank. It also includes a water injection pipe 140, a liquid level sensor 150 and a drain pipe 160;

[0023] The water injection pipe 140 and the drainage pipe 160 are both arranged on the cooling water tank 110, and the liquid level sensor 150 is fixed on the outer wall of the cooling water tank 110. The arrangement of the water injection pipe 140 and the drainage pipe 160 enables the cooling water in the cooling water tank 110 to circulate, and the arrangement of the liquid level sensor 150 ensures that the water level in the cooling water tank 110 is at a set value. It also includes a bellows 193, which is arranged on the water guide pipe 192. The arrangement of the bellows 193 facilitates the up and down movement of the water guide pipe 192. The water outlet of the water outlet pipe 197 is 2-5mm away from the lower surface of the disc 190, the water outlet of the water outlet pipe 197 has a pipe diameter of 7-9mm, the working pressure of the water outlet pipe 197 is 0.1-0.3MPa, and the shape of the water outlet of the water outlet pipe 197 is flat or semicircular.

[0024] Specifically, the working principle of the device for removing bubbles in the processing of plastic pipes is as follows: when in use, according to the model of the small-diameter plastic pipe, move the guide sleeve 195, adjust the position of the guide sleeve 195 on the support rod 191, that is, adjust the distance between the water outlet of the water outlet pipe 197 and the lower surface of the disc 190, hold the guide sleeve 195 after adjustment, rotate the locking piece 196, and the end of the locking piece 196 squeezes the outer wall of the support rod 191 to fix the guide sleeve 195 on the support rod 191, that is, to fix the water guide pipe 192, inject cooling water into the cooling water tank 110 through the water injection pipe 140 to ensure that the pipe blank is immersed in the cooling water, and drain the water through the drain pipe 160. Under the joint action of the water injection pipe 140, the liquid level sensor 150 and the drain pipe 160, the water volume in the cooling water tank 110 is at the set value, and the traction machine feeds the pipe blank A traction force is applied, and the tube blank passes through the sizing sleeve 130 and the disc 190 in turn and finally goes out of the cooling water tank 110. When the tube blank passes through the cooling water tank 110, the valve 194 is opened to control the opening size of the valve 194. The cooling water is flushed onto the tube blank through the outlet of the outlet pipe 197 to circulate the water on the tube blank, thereby flushing out the bubbles on the surface of the pipe and preventing the surface of the pipe from being unevenly cooled and having pits due to the attached bubbles. The device for removing bubbles in the processing of plastic pipes can flexibly adjust the outlet position of the outlet pipe 197 according to the model of the tube blank. In addition, it is also convenient to adjust the outlet water pressure of the outlet pipe 197, effectively improving the appearance defects caused by local overheating and shrinkage on the surface of the pipe, greatly meeting the control requirements of the production link for the bubble treatment on the surface of the pipe, and improving the appearance quality of the pipe.

[0025] It should be noted that the specific model specifications of the cooling water tank 110 and the liquid level sensor 150 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the field, so it will not be described in detail.

[0026] The power supply and principle of the cooling water tank 110 and the liquid level sensor 150 are clear to those skilled in the art and will not be described in detail here.

[0027] The above description is only an embodiment of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various changes and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the scope of protection of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

Claims

1. A device for removing bubbles during the processing of plastic pipes, characterized in that: It comprises a cooling water tank (110), a plurality of discs (190) fixedly arranged at intervals for supporting and shaping the tube blank, and a flushing component; The flushing component comprises a water pipe (192), and a plurality of water outlet pipes (197) which are connected to the water pipe (192) and have water outlet ends spaced a predetermined distance from the tube blank for flushing the tube blank. Water in the water outlet pipes (197) is flushed onto the tube blank to cause the water on the tube blank to circulate, thereby flushing away bubbles on the tube blank.

2. The device for removing bubbles during plastic pipe processing according to claim 1 is characterized in that: The cooling water tank (110) is provided with a sizing sleeve (130) and an observation window (180); the sizing sleeve (130) and the observation window (180) are both provided on the cooling water tank (110); and one end of the water guide pipe (192) passes through the observation window (180).

3. The device for removing bubbles during plastic pipe processing according to claim 1, characterized in that: It also includes a water injection pipe (140), a liquid level sensor (150) and a drainage pipe (160); the water injection pipe (140) and the drainage pipe (160) are both arranged on the cooling water tank (110); and the liquid level sensor (150) is fixed on the outer wall of the cooling water tank (110).

4. The device for removing bubbles during plastic pipe processing according to claim 1, characterized in that: It also includes a bellows (193), wherein the bellows (193) is arranged on the water conduit (192).

5. The device for removing bubbles during plastic pipe processing according to claim 1, characterized in that: The flushing component also includes a support rod (191), a valve (194), a guide sleeve (195) and a locking piece (196), one end of the support rod (191) is fixed on the lower surface of the disc (190), the other end of the support rod (191) is fixed on the inner wall of the cooling water tank (110), the guide sleeve (195) is fixed on the outer wall of one of the outlet pipes (197), the guide sleeve (195) is slidably mounted on the support rod (191), and the locking piece (196) is threadedly inserted through the guide sleeve (195).

6. The device for removing bubbles during plastic pipe processing according to claim 1, characterized in that: The distance between the water outlet of the water outlet pipe (197) and the lower surface of the disc (190) is 2-5 mm, the diameter of the water outlet of the water outlet pipe (197) is 7-9 mm, the working pressure of the water outlet pipe (197) is 0.1-0.3 MPa, and the shape of the water outlet of the water outlet pipe (197) is flat or semicircular.

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