CN216267492U - Extrusion cooling device for corrugated pipe production - Google Patents

Abstract

The utility model discloses an extrusion cooling device for producing corrugated pipes, which comprises an extruder, wherein the extruder is connected with a delivery pipe, the delivery pipe is connected with a material pipe, a primary water cooling device is arranged in the material pipe, the primary water cooling device is a water jacket, the water jacket comprises an inner sleeve and an outer sleeve, the right ends of the inner sleeve and the outer sleeve are mutually communicated, the left end of the outer sleeve is provided with a plug, the left end of the inner sleeve extends to the side wall of the plug, the water jacket is provided with a water inlet pipe and a water outlet pipe, the water outlet pipe is communicated with the inner sleeve, and the water inlet pipe is communicated with the outer sleeve. The utility model is used for primarily cooling the extruded high-temperature raw materials.

Description

Extrusion cooling device for corrugated pipe production

Technical Field

The utility model relates to the technical field of corrugated pipe production equipment, in particular to an extrusion cooling device for corrugated pipe production.

Background

When the pollution discharge corrugated pipe is produced, the raw materials are generally melted into liquid firstly, the liquid is extruded into a forming machine through an extruder, the forming machine is vacuumized, the raw materials are attached to a module to form the corrugated pipe, the raw materials are required to be gradually cooled in the forming process due to higher temperature of the raw materials, otherwise, the liquid is high in flowability, the forming effect of the raw materials is poor, in the existing corrugated pipe production equipment, the raw materials extruded by the extruder enter the forming machine, the raw materials are cooled by cooling equipment in the forming machine, but the cooling equipment is mostly used for cooling half modules, namely, the formed corrugated pipe is cooled, the raw materials are not cooled, the flowability of the raw materials is still larger, and the subsequent forming effect is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide an extrusion cooling device for producing corrugated pipes.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an extrusion cooling device of bellows production usefulness, includes the extruder, and the delivery tube is connected to the extruder, and the delivery tube is connected the material pipe, expects that the intraductal preliminary water cooling plant that is equipped with.

The preliminary water cooling device is a water jacket.

The water jacket comprises an inner sleeve and an outer sleeve, the right ends of the inner sleeve and the outer sleeve are communicated with each other, a plug is arranged at the left end of the outer sleeve, the left end of the inner sleeve extends to the side wall of the plug, a water inlet pipe and a water outlet pipe are arranged on the water jacket, the water outlet pipe is communicated with the inner sleeve, and the water inlet pipe is communicated with the outer sleeve.

The outer sleeve is composed of four pipelines, the four pipelines are sequentially closed and covered on the inner sleeve, each pipeline is wound into a rotary shape and led out from the left end, the right end of the outer sleeve is a water inlet end of the outer sleeve, the water inlet end is communicated with the inner sleeve, the left end of the outer sleeve is a water outlet end, and the water outlet end is communicated with the plug.

The outer sleeve is composed of a plurality of pipelines, each pipeline is spirally covered on the outer wall of the inner sleeve, the right end of the outer sleeve is a water inlet end of the outer sleeve, the water inlet end is communicated with the inner sleeve, the left end of the outer sleeve is a water outlet end, and the water outlet end is communicated with the plug.

The extruder includes a first extruder and a second extruder.

The material pipe includes first material pipe and second material pipe, and the first material pipe is connected to the delivery tube of first extruder, and the second material pipe is connected to the delivery tube of second extruder, and the third material pipe is connected on the right side of second material pipe, and the intraductal interlayer that is equipped with of second, and outer cavity and interior cavity are cut apart into with the inside of second material pipe to the interlayer, and the delivery tube intercommunication outer cavity of second extruder, first material pipe intercommunication inner cavity, outer cavity and interior cavity all feed through with the third material pipe, and the interlayer is fixed with the lateral wall of first material pipe.

The utility model has the beneficial effects that:

1. the extruder extrudes the liquid raw material to the delivery pipe, and then the liquid raw material is transferred to the material pipe through the delivery pipe, and a primary water cooling device is arranged in the material pipe and is used for carrying out primary cooling on the raw material, so that the flowability of the raw material is reduced, and the quality of the raw material is higher during molding;

2. the water jacket is arranged into an inner pipe and an outer pipe, cooling water is introduced into the outer pipe, so that low-temperature water is in full contact with the raw materials in the material pipe for heat exchange, and high-temperature water flows out of the inner sleeve after heat exchange, so that the water in the water jacket is replaced in time, and the cooling effect of the water jacket is ensured;

3. the outer sleeve of the water jacket is arranged into a rotary structure or a spiral structure, so that the cooling water can fully exchange heat with high-temperature raw materials, and the cooling water can be fully utilized;

4. according to the bellows outer wall and inner wall raw materials are different, adopt two extruders to extrude respectively and correspond raw materials to first material pipe and second material pipe department, the intraductal interlayer that is equipped with of second material, make the inner wall raw materials extrude the interior cavity of managing to the second material, the outer cavity of managing to the second material is extruded to the outer wall raw materials, when outer wall raw materials and inner wall raw materials get into the third material simultaneously and expect the pipe, the outer wall raw materials covers the periphery at the inner wall raw materials, make the raw materials get into behind the make-up machine, the outer wall raw materials still can cover on the inner wall raw materials, outer wall and inner wall homogeneity after the shaping are better.

Drawings

Fig. 1 is a schematic structural view of the apparatus in which the utility model is located;

FIG. 2 is a schematic view of the structure of the water injection cooling device in cooperation with a half module;

FIG. 3 is a bottom view of the water injection cooling device;

FIG. 4 is a schematic view of the structure of the water pumping device in cooperation with the half module;

FIG. 5 is a cross-sectional view of the water tank with the rotary belt, the telescopic rod, and the overflow lead-out mechanism;

FIG. 6 is a schematic view of the structure of the thrust valve in cooperation with the telescoping rod;

FIG. 7 is a top view of the stop;

FIG. 8 is a schematic structural view of a feeding device according to the present invention;

FIG. 9 is a schematic structural view of the inlet pipe, the outlet pipe and the plug of the present invention;

FIG. 10 is a schematic structural view of a first embodiment of an outer sleeve according to the present invention;

FIG. 11 is a side view of a first embodiment of the water jacket of the present invention;

FIG. 12 is a schematic structural view of a second embodiment of an outer sleeve according to the present invention;

FIG. 13 is a side view of a second embodiment of the water jacket of the present invention;

FIG. 14 is a schematic view of the cutting device;

FIG. 15 is a front view of the cutting device;

FIG. 16 is a schematic view of the structure of the blade and feed mechanism;

FIG. 17 is an enlarged view at A of FIG. 16;

fig. 18 is a side view of the cam.

In the figure: the device comprises a feeding device 1, a first extruder 11, a second extruder 12, an outlet pipe 13, a water inlet pipe 14, a plug 15, a water outlet pipe 16, a water jacket 17, an inner sleeve 171, an outer sleeve 172, an outer sleeve water outlet end 173, an outer sleeve water inlet end 174, a first material pipe 18, a second material pipe 19, a partition 191, a third material pipe 110, a forming device 2, a circulating module chain 21, an outward flange 211, a cooling channel 212, a half module 213, a fan 22, an upper frame 23, a cylinder 24, a lower frame 25, a water injection cooling device 26, a water tank 261, an expansion rod 262, a pressure head 263, a first spring 264, teeth 265, a ball 266, a limit ring 267, a stop 268, a connecting rod 269, a rotating belt 2610, a water pipe 2611, a roller 2612, a cavity 2613, an overflow channel 2614, a convex strip 2615, a guide groove 6, a bottom support 2617, a water pumping device 27, a cutting device 3, a box 31, a roller 32, a driving wheel 33, a shifting block 34, an opening 35, a positioning cylinder 36, The clamping block 37, the bracket 38, the cam 39, the groove ring 391, the partition 392, the central wheel 310, the fixed ball 311, the movable ball 312, the ball seat 313, the third spring 314, the accommodating groove 315, the second spring 316, the blade 317 and the bellows 4.

Detailed Description

The utility model is further described with reference to the accompanying drawings and the detailed description below:

as shown in fig. 1 to 18, a production apparatus for a blowdown corrugated pipe includes a feeding device 1, a forming device 2 and a cutting device 3, where the feeding device 1 includes an extruder, the extruder includes a first extruder 11 and a second extruder 12, the extruder is a prior art, and is not described herein again, stone powder (mainly calcium carbonate), HDPE particles (blue), and an auxiliary agent are placed in the first extruder 11, stone powder (mainly calcium carbonate), HDPE particles (black), and an auxiliary agent are placed in the second extruder 12, the extruder is connected to a delivery pipe 13, the delivery pipe 13 is connected to the forming device 2 through a material pipe, and a preliminary water cooling device is disposed in the material pipe; the primary water cooling device is a water jacket 17, a plug 15 is arranged at the left end of the water jacket 17, the water jacket 17 comprises an inner sleeve 171 and an outer sleeve 172, the right ends of the inner sleeve 171 and the outer sleeve are mutually communicated, the left end of the inner sleeve 171 extends to the plug 15 to be communicated with an external water inlet pipe 14, the right end of the outer sleeve 172 is an outer sleeve water inlet end 174, the left end of the outer sleeve 172 is an outer sleeve water outlet end 173, the left end of the outer sleeve 172 extends to the plug 15 to be communicated with an external water outlet pipe 16, the material pipe covers the periphery of the outer sleeve 172, a first embodiment of the outer sleeve 172 is shown in figures 10-11, the outer sleeve 172 is composed of four pipelines, the four pipelines are sequentially closed and covered on the inner sleeve 171, each pipeline is wound into a rotary shape and led out from the left end, the right end of the outer sleeve 172 is opened and is communicated with the inner sleeve 171, the structure increases the contact area between the single pipeline and the material pipe, so that cooling water flows in the outer sleeve 172 and completely exchanges heat with the raw materials; as shown in fig. 12-13, which are second embodiments of the outer sleeve 172, the outer sleeve 172 is composed of a plurality of pipes, each of which spirally covers the outer wall of the inner sleeve 171, and this structure reduces the inner diameter of a single pipe, so that the flow rate of the single pipe is reduced, and the single pipe can fully exchange heat with the raw material; an outlet pipe 13 of a first extruder 11 is connected with a first material pipe 18, an outlet pipe 13 of a second extruder 12 is connected with a second material pipe 19, the right side of the second material pipe 19 is connected with a third material pipe 110, a partition layer 191 is arranged in the second material pipe 19, the partition layer 191 divides the interior of the second material pipe 19 into an outer cavity and an inner cavity, the outlet pipe 13 of the second extruder 12 is communicated with the outer cavity, the first material pipe 18 is communicated with the inner cavity, the outer cavity and the inner cavity are both communicated with the third material pipe 110, the partition layer 191 is fixed with the side wall of the first material pipe 18, the first extruder 11 extrudes an inner wall raw material into the first material pipe 18, the second extruder 12 extrudes an outer wall raw material into the second material pipe 19, when the outer wall raw material and the inner wall raw material are led out to the third material pipe 110, the outer wall raw material covers the periphery of the inner wall raw material, and the third material pipe 110 extends into a forming device 2;

the forming device 2 comprises two sets of circulating module chains 21 corresponding to each other in upper and lower positions, a vacuumizing device is arranged on each circulating module chain 21, the structure is the prior art and is not repeated herein, each circulating module chain 21 is provided with a plurality of half modules 213, the half modules 213 between the upper circulating module chain 21 and the lower circulating module chain 21 are jointed to form a forming channel, the lower circulating module chain 21 is fixed with the lower frame 25, the upper circulating module chain 21 is fixed with the upper frame 23, both ends of the upper frame 23 and the lower frame 25 are provided with fans 22, the fans 22 blow air towards the circulating module chains, a cylinder 24 is connected between the upper frame 23 and the lower frame 25, according to the half modules 213 with different sizes, the upper frame 23 can be lifted by the cylinder 24 to ensure that enough space is reserved between the two module chains to accommodate the half modules 213, and the upper and lower half modules 213 can correspond to each other, centering is not required to be carried out every time; an outward flange 211 is arranged at one end, far away from the circulating module chain 21, of the half module 213, the outward flange 211 is communicated with a water injection cooling device 26 and a water pumping device 27, the water injection cooling device 26 and the water pumping device 27 are respectively arranged above and below the forming channel, the water injection cooling device 26 and the water pumping device 27 are arranged front and back relative to the circulating module chain 21, the water injection cooling device 26 comprises a water tank 261, the water tank 261 is communicated with the water injection device, a rotary belt 2610 is connected to the side wall of the water tank 261 in a sliding manner, the half module 213 drives the rotary belt 2610 to move synchronously through a linkage device, the linkage device is a tooth 265 arranged on the outward flange 211 and the rotary belt 2610, a tooth 265 is arranged between each two groups of water guide assemblies, a plurality of groups of water guide devices are arranged on the rotary belt 2610, a cooling channel 212 is arranged on the half module 213, the rotary belt 2610 drives the water guide devices to be communicated with the cooling channel 212 after rotating, the water guide devices of the half module 213 below the channel extend to the half module 213 above, and is communicated with the water guide assembly through the upper half module 213; the structure of the water pumping device 27 is the same as that of the water injection cooling device 26, the starting end corresponds to the position of the water injection cooling device 26, the length of the water pumping device 27 exceeds the length of the water injection cooling device 26 by the distance of one half module 213, the water outlet section of the cooling channel 212 of the half module 213 above the channel extends to the half module 213 below the channel and penetrates through the half module 213 below the channel to be communicated with the water guide assembly of the water pumping device 27, the water tank 261 of the water pumping device 27 is communicated with a water pump, so that water enters from one end of the half module 213 and exits from the other end of the half module 213, the water can completely penetrate through the half module 213 and fully exchange with the raw materials in the half module 213 to cool the raw materials in time, and the length of the water pumping device 27 exceeds the length of the water injection cooling device 26, the cooling water in the half module 213 can be completely pumped and can be prevented from flowing into the machine and causing damage to the machine;

each group of water guide devices is two telescopic rods 262, the upper parts of the telescopic rods 262 are communicated with a water tank 261, a first spring 264 is sleeved outside the telescopic rods 262, a pressure head 263 is arranged on the lower parts of the telescopic rods 262, a thrust valve is arranged in the telescopic rods 262, a bottom support 2617 is arranged on the flanging 211, a torsion spring is arranged on the bottom support 267, the bottom support 267 inclines towards one side far away from the feeding device 1 in a normal state, the bottom support 2617 is arranged above the cooling channel 212, the length of the telescopic rods 262 is greater than the distance between the bottom support 2617 and the rotating belt 2610, when the pressure head 263 rotates to be in contact with the bottom support 2617, the bottom support 2617 continues to move rightwards along with the flanging 211, the telescopic rods 262 are compressed, the thrust valve is opened, and water is injected into the half module 213;

the thrust valve comprises a ball 266, a stop 268 is connected below the ball 266 through a connecting rod 269, the stop 268 is fixed with an inner rod of the telescopic rod 262, a limit ring 267 is arranged in an outer rod of the telescopic rod 262, the ball 266 is clamped at the limit ring 267 to seal the telescopic rod 262, after the telescopic rod 262 is compressed, the inner rod jacks up the ball 266, the ball 266 is separated from the limit ring 267, and cooling water flows out of the water tank 261, is guided out of the telescopic rod 262 and then flows into the half module 213;

a plurality of rollers 2612 are uniformly distributed on two sides of the rotary belt 2610, a cavity 2613 for accommodating the rollers 2612 is arranged in the water tank 261, an overflow leading-out mechanism is arranged between the water tank 261 and the rotary belt 2610 and comprises a convex strip 2615 arranged in the water tank 261, a guide groove 2616 for accommodating the convex strip 2615 is arranged on the rotary belt 2610, the section of the guide groove 2616 is in a semi-circular arc shape, an overflow channel 2614 is arranged at the bottom of the water tank 261, one side of the overflow channel 2614 extends to the bottom of the guide groove 2616, a water pipe 1611 is arranged at the lower end of the water tank 261, the water pipe 2611 is communicated with the overflow channel 2614, and cooling water can infiltrate into the convex strip 2615 and the guide groove 2616 due to the relative movement between the rotary belt 2610 and the water tank 261, the cooling water flows to the bottom of the guide groove 2616 and is led out to the water pipe 2611 through the overflow channel 2614, so that the water in the water tank 261 cannot be left in the forming device 2;

the cutting device 3 comprises a box 31, a plurality of positioning cylinders 36 are arranged on the front end face and the rear end face of the box 31, preferably three positioning cylinders 36 are evenly distributed, clamping blocks 37 are arranged on push rods of the positioning cylinders 36, the formed corrugated pipe 4 is guided into the box 31, the positioning cylinders 36 push the clamping blocks 37 to move towards the corrugated pipe 4 to clamp the corrugated pipe 4, a roller 32 is arranged in the box 31, a driving wheel 33 is arranged on the roller 32, the driving wheel 33 is driven to rotate through a motor and a gear mechanism, the mechanism is the prior art and is not repeated herein, a blade 317 is arranged on the roller 32, the blade 317 penetrates through an opening 35 in the roller 32 and extends into the roller 32, a rotary feed mechanism is arranged on the blade 317, and the roller 32 drives the blade 317 to rotate for a circle and then cuts the corrugated pipe.

The rotary feed mechanism comprises a support 38 connected with the side wall of the roller 32, a second spring 316 is connected between the part of the blade 317 extending into the support 38 and the support 38, a central wheel 310 is arranged above the support 38, a plurality of movable balls 312 are uniformly distributed on the periphery of the central wheel 310, the movable balls 312 can move inside and outside relative to the central wheel 310, a cam 39 is sleeved on the periphery of the central wheel 310, a plurality of fixed balls 311 are arranged in the cam 39, the fixed balls 311 are arranged between the two movable balls 312, a groove ring 391 and a plurality of partitions 392 are arranged on the side edge of the cam 39, a shifting block 34 is arranged on the upper end surface of the box 31, the shifting block 34 extends into the groove ring 391, the roller 32 rotates for a circle, the shifting block 34 shifts the cam 39 to rotate for a certain angle, after the cam 39 rotates, the depth of the shifting block 34 extending into the groove ring 391 is different, the angle of the cam 39 being shifted each time is different, and the extending depth of the shifting block 34 and the number of the partitions 392 are adjusted according to actual conditions, the cam 39 can be reset after being rotated for multiple times, when the dial block 34 extends into a shallow position, as shown in the position of fig. 16, after the cam 39 rotates, the end with larger curvature rotates to the blade 317 and presses the blade 317 downwards, although the rotating angle of the cam 39 fluctuated by the dial block 34 is smaller at the position, because the outward convex degree of the position is larger, the blade 317 can still reach a larger value when the blade 317 downwards advances, after the cam 39 rotates, the fixed ball 311 is led into the space between the two movable balls 312 again to be fixed, so that the blade 317 moves downwards for a certain distance, at the moment, the blade 317 advances to the corrugated pipe, and the corrugated pipe is cut after being fed for multiple times, and the structure is simple and reliable.

The center wheel 310 is provided with an accommodating groove 315 for placing the movable ball 312, a return spring 314 is arranged between the movable ball 312 and the bottom of the accommodating groove 315, the center wheel 310 is provided with a ball seat 313 corresponding to the position of the accommodating groove 315, the diameter of an opening of the ball seat 313 is smaller than that of the movable ball 312, the movable ball 312 can move up and down in the accommodating groove 315, and the fixed ball 311 can be conveniently positioned again after moving.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (3)

1. The utility model provides an extrusion cooling device of bellows production usefulness which characterized in that: including the extruder, the extruder includes first extruder (11) and second extruder (12), the extruder is connected with delivery tube (13), delivery tube (13) connect the material pipe, the intraductal preliminary water cooling plant that is equipped with of material, preliminary water cooling plant is water jacket (17), water jacket (17) are including interior sleeve pipe (171) and outer tube (172), the right-hand member of interior sleeve pipe (171) and outer tube (172) communicates each other, the left end of outer tube (172) is equipped with end cap (15), the left end of interior sleeve pipe (171) extends to the lateral wall of end cap (15), be equipped with oral siphon (14) and outlet pipe (16) on water jacket (17), outlet pipe (16) intercommunication interior sleeve pipe (171), oral siphon (14) intercommunication outer tube (172), the material pipe includes first material pipe (18) and second material pipe (19), first material pipe (18) is connected to delivery tube (13) of first extruder (11), the discharge tube (13) of the second extruder (12) is connected with the second material tube (19), the right side of the second material tube (19) is connected with the third material tube (110), an interlayer (191) is arranged in the second material tube (19), the interlayer (191) divides the inside of the second material tube (19) into an outer cavity and an inner cavity, the discharge tube (13) of the second extruder (12) is communicated with the outer cavity, the first material tube (18) is communicated with the inner cavity, the outer cavity and the inner cavity are communicated with the third material tube (110), and the interlayer (191) is fixed with the side wall of the first material tube (18).

2. An extrusion cooling apparatus for corrugated pipe production as set forth in claim 1, wherein: the outer tube (172) is composed of four tubes, four tubes are sequentially folded to cover the inner tube (171), each tube is wound to be in a rotary shape and is led out from the left end, the right end of the outer tube (172) is an outer tube water inlet end (174), the outer tube water inlet end (174) is communicated with the inner tube (171), the left end of the outer tube (172) is a water outlet end (173), and the water outlet end (173) is communicated with the plug (15).

3. An extrusion cooling apparatus for corrugated pipe production as set forth in claim 2, wherein: the outer tube (172) comprises a plurality of pipelines, every the pipeline all is the heliciform and covers on the outer wall of inner tube (171), the right-hand member of outer tube (172) is outer tube water inlet end (174), outer tube water inlet end (174) and interior sleeve pipe (171) intercommunication, the left end of outer tube (172) is for going out water end (173), go out water end (173) and end cap (15) intercommunication.

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