CN115431576A - PE pipe steel skeleton coating equipment and process - Google Patents

Abstract

The invention belongs to the technical field of pipe steel skeleton coating equipment, and particularly relates to PE pipe steel skeleton coating equipment, which comprises a slide rail fixedly connected to the ground and a plastic extruder fixedly connected to the upper end of the slide rail, wherein the plastic extruder comprises: the conveying cylinder A is transversely arranged on the slide rail, and a packing auger for conveying materials is arranged in the conveying cylinder; the mixing drum is fixedly connected to the upper end of the conveying drum and is used for melting plastic particles and conveying the melted plastic particles into the conveying drum; the conveying pipe A3 is fixedly connected to one end of the conveying cylinder; the discharge port is fixedly connected to one side of the plastic extruder and used for discharging the melted materials to the outer side of the steel skeleton; wherein, a separation box body used for separating impurities in the materials is fixedly connected between the discharge port and the material conveying pipe A. The invention has the beneficial effects that: through the setting of separator box, when the material passes through separator box, the impurity in the material is come out by separator box autosegregation to separator box can save artifical clear loaded down with trivial details step with the impurity automatic discharge that separates.

Description

PE pipe steel skeleton coating equipment and process

Technical Field

The invention relates to the technical field of pipe steel skeleton coating equipment, in particular to PE pipe steel skeleton coating equipment and a PE pipe steel skeleton coating process.

Background

The water conveying pipeline is generally divided into a pressure pipeline and a non-pressure pipeline, the pressure pipeline mainly comprises a nodular cast iron pipe, a cement pipe, a steel pipe, a plastic coated steel pipe and a polyolefin pipeline for outdoor conveying, and polyethylene plastic pipes are widely used in the pressure water supply pipeline at home and abroad at present, have outstanding characteristics compared with other pipes, have long service life and excellent corrosion resistance, are safe and non-toxic, and have good sanitary performance.

In the prior art, a plastic extruder is generally adopted to coat the surface of a steel pipe and a steel skeleton, for example, chinese patent CN104019295B provides a steel-plastic composite pipe with a steel skeleton and a manufacturing method and a production line thereof, wherein molten plastic extruded by the extruder is pressed into a steel wire mesh by the plastic extruder and a compression roller, raw materials are filtered before the plastic extruder is melted and extruded to a die head for molding, all structures in the prior art need to be frequently replaced by the filter mesh, and particularly, when a plastic reclaimed material is used, because impurities are more, the filter mesh is frequently replaced, and when the filter mesh is replaced by a machine, normal production is seriously influenced.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide PE pipe steel skeleton coating equipment and process so as to solve the problems.

The technical scheme of the invention is realized as follows: the utility model provides a PE tubular product steel skeleton coating equipment, includes slide rail and the plastic extruder of fixed connection in the slide rail upper end on fixed connection ground, and the plastic extruder includes:

the conveying cylinder A is transversely arranged on the slide rail, and a packing auger for conveying materials is arranged in the conveying cylinder A;

the stirring cylinder is fixedly connected to the upper end of the conveying cylinder A and is used for melting plastic particles and conveying the plastic particles into the conveying cylinder A;

the conveying pipe A is fixedly connected to one end of the conveying cylinder A;

the discharge port is fixedly connected to one side of the plastic extruder and used for discharging the melted materials to the outer side of the steel skeleton;

wherein, a separation box body used for separating impurities in the materials is fixedly connected between the discharge port and the material conveying pipe A.

Through adopting above-mentioned technical scheme, through the setting of separation box, when the material passes through the separation box, impurity in the material is come out by separation box autosegregation to the separation box can be with the impurity automatic discharge who separates out, saves artifical clear loaded down with trivial details step.

The invention is further configured to: the discharge gate is the rectangular rectangle of horizontal setting.

Through adopting above-mentioned technical scheme, can make the slice material of extruding from the discharge gate, can make the material extrude the smooth cover on the steel skeleton surface of back.

The invention is further configured to: the separation box body includes:

the shunting barrel is positioned on four side walls outside the box body, and the upper side and the lower side of the front end of the shunting barrel are respectively provided with a semi-ring groove A and a semi-ring groove B;

the fixed plate is fixedly connected to the outer side of the separation box body through bolts, two semi-ring convex blocks corresponding to the semi-ring groove A and the semi-ring groove B respectively are welded at one end of the fixed plate, a threaded hole A is formed in each semi-ring convex block, and a threaded hole B corresponding to the threaded hole A is formed in the inner wall of the shunt cylinder body;

a separation cylinder fixedly connected to the inner side of the shunt cylinder

The separating box body is characterized in that through holes for inserting the shunting barrel are formed in four outer side walls of the separating box body, the central shaft of the separating barrel body is perpendicular to the central shaft of the shunting barrel body, after the semi-ring convex blocks of the fixing plate are inserted into the shunting barrel body and fixed on the separating box body, a semi-ring cavity A is formed between one semi-ring convex block and the bottom of the semi-ring groove A, and a semi-ring cavity B is formed between the other semi-ring convex block and the bottom of the semi-ring groove B.

Through adopting above-mentioned technical scheme, the reposition of redundant personnel barrel passes through the fixed plate to be fixed on the separation box, easy dismounting, after the cooperation is connected with the semi-ring lug on the fixed plate to the reposition of redundant personnel barrel, insert the through-hole with the separation barrel again, after then with the fixed plate fixed to the separation box can, the material enters into semi-ring chamber A through the conveying pipeline after the separation barrel with impurity separation carry to the ejection of compact after, semi-ring chamber B is used for collecting the impurity after the separation, separation and collection can carry out each other simultaneously and do not influence, excellent in use effect.

The invention is further configured to: the reposition of redundant personnel barrel still includes:

the annular opening is formed in the inner side wall of the shunt cylinder body and communicated with the semi-ring cavity A and the semi-ring cavity B;

the clamping ring is rotationally and hermetically connected in the annular opening;

wherein, the upper end and the lower end of the snap ring are respectively provided with a flow guide port for clamping the upper end and the lower end of the separating cylinder.

By adopting the technical scheme, the separation cylinder body can rotate in the shunt cylinder body, so that the separation cylinder body is continuously switched between the semi-ring cavity A and the semi-ring cavity B, and the service life is prolonged.

The invention is further configured to: the separation cylinder includes:

an upper cylinder body;

the lower cylinder body is fixedly connected to the lower end of the upper cylinder body;

go up the barrel in from top to bottom fixedly connected with in proper order:

a porous separation plate;

an inclined hopper;

the partition plate is L-shaped;

a sliding plug;

wherein, form the water conservancy diversion chamber between division board and the last barrel wall, seted up bin outlet and air inlet on the water conservancy diversion chamber wall, the embedded relief valve that is equipped with of air inlet, one side fixed mounting that the division board is kept away from the bin outlet has and is used for driving the driving mechanism that the barrel rotates along reposition of redundant personnel barrel internal diameter direction circumference.

Through adopting above-mentioned technical scheme, when last barrel was located semi-ring cavity A, the material in the semi-ring cavity A entered into last barrel through the water conservancy diversion mouth in, loops through porous separation plate, inclined material board and enters into the water conservancy diversion intracavity after that, later flows to the discharge gate through the bin outlet, and the material is when porous separation plate, and the impurity in the material is held back in porous separation plate upper end.

The invention is further configured to: the drive mechanism includes:

the shell A is integrally formed at one end of the partition plate, which is far away from the discharge port, and a rotating shaft A is connected between the inner connecting side walls of the shell A;

the rectangular opening is formed in one side, away from the shell A, of the partition plate;

the impeller is rotationally connected into the shell A through a rotating shaft A, the impeller is vertically arranged, and one end of the impeller extends into the diversion cavity through the rectangular opening and is positioned below the outlet of the inclined material port;

the rotating shaft B is rotatably connected to the outer side of the shell A, and the outer side of the rotating shaft B is sequentially connected with a first gear and a second gear in a key mode;

the sliding block is in a long strip shape and is arranged in a hollow way;

the connecting rod A is fixedly connected between the sliding block and the sliding plug;

one end of the rotating shaft A penetrates through and extends to the outer side of the shell A to be connected with a third gear in a key mode, the third gear is meshed with the first gear, the second gear is located on the inner side of the sliding block and is a half gear, a plurality of teeth which are connected and arranged are integrally formed on the two inner side walls of the sliding block, the number of the teeth on any one side wall in the sliding block is equal to that of the teeth of the second gear, and the outer side of the shell A is fixedly connected with a limiting frame upper barrel used for limiting the sliding block, and a one-way valve A and a one-way valve B which are communicated with the interior of the upper barrel are sequentially embedded in the outer side of the lower end of the upper barrel; the horizontal height of check valve A and check valve B is less than the horizontal height of sliding plug, goes up the outer one side of barrel and still fixedly connected with gas storage tank, and fixed connection has the breather pipe respectively between check valve B and relief valve and the gas storage tank, and the slag discharging hole with outside intercommunication is seted up to reposition of redundant personnel barrel lower extreme, and slag discharging hole and half arc chamber B intercommunication.

Through adopting above-mentioned technical scheme, when the material enters into the in-process of water conservancy diversion chamber rethread bin outlet output, the material can assault impeller one side, drive the impeller and rotate, the impeller rotates and drives the third gear rotation through pivot A simultaneously, the third gear is through driving first gear and second gear rotation, the second gear drives and drives the up-and-down reciprocating motion rather than matched with sliding block, the sliding plug that is connected with the sliding block is the up-and-down reciprocating motion with the sliding block is synchronous, with outside air suction again through check valve B row to the gas storage tank.

The invention is further configured to: the drive mechanism further includes:

the shell B is fixedly connected to the middle part of the outer side of the upper cylinder;

the connecting rod B is fixedly connected to one side of the sliding block, which is far away from the partition plate, one end of the connecting rod B penetrates through the wall of the upper barrel body and extends to the inner side of the shell B, and a sliding groove (not shown in the figure) corresponding to the connecting rod B is formed in the outer side wall of the upper barrel body;

the rotating shaft C is rotatably connected in the shell B, the length direction of the rotating shaft C is parallel to that of the connecting rod B, and a first ratchet wheel and a fourth gear are sequentially connected to the rotating shaft C;

the elastic shifting block is fixedly connected to one side, facing the first ratchet wheel, of the connecting rod B;

the rotating shaft D is rotatably connected in the shell B, the outer side key of the rotating shaft D is connected with a fifth gear, and the fifth gear is meshed with the fourth gear;

the shell C is fixedly connected to the inner side wall of the shell B, and a clockwork spring is loaded in the shell C;

wherein, the external diameter of fourth gear is greater than the external diameter of fifth gear, the breach corresponding with the fifth gear has been seted up to the outer one side of fourth gear, fourth gear is when connecting rod B horizontal migration downwards, the elasticity is dialled the piece and is driven first ratchet clockwise rotation, the one end of pivot D runs through casing C and extends to the casing B outside, the one end fixed connection of clockwork spring is on casing C inner casing wall, other end fixed connection is on the part that pivot D is located casing C, reposition of redundant personnel barrel internal rotation is connected with the fixed axle, the one end of fixed axle runs through separation barrel middle part and extends to separation barrel outside key-type connection sixth gear, pivot D is connected with sixth gear drive.

By adopting the technical scheme, when the sliding rod continuously reciprocates up and down, the elastic poking block is driven by the connecting rod to poke the first ratchet wheel to rotate clockwise, when the sliding rod does reciprocating motion once, the first ratchet wheel is driven to rotate for a stroke interval, the first ratchet wheel drives the fourth gear to do synchronous motion through the rotating shaft C, the fourth gear drives the fifth gear to do anticlockwise rotation, the fifth gear drives the clockwork spring through rotating the D, so that the clockwork spring is continuously contracted in the shell C, when a notch on the fourth gear rotates to be tangent with the fifth gear, the fourth gear is not meshed with the fifth gear at the moment, the rotating D drives the clockwise rotation through the acting force released by the clockwork spring, then the separating cylinder rotates for a stroke around the fixed shaft through matching with the sixth gear, then the clockwork spring is continuously contracted through being driven by the fourth gear, the cycle is carried out until the upper cylinder is switched to the semi-arc cavity B, at the moment, the driving device in the upper cylinder stops, the lower cylinder drives the separating cylinder to rotate and drives the separating cylinder to rotate integrally.

The invention is further configured to: pivot D still includes:

the seventh gear is rotationally connected to the rotating shaft D and is positioned on the outer side of the shell B;

the accommodating groove A is formed in the end, deviating from the shell B, of the seventh gear in a cylindrical shape;

the second ratchet wheel is positioned in the accommodating groove A, is coaxial with the seventh gear and is in key connection with the rotating shaft D;

wherein, holding tank A inner wall articulates there is the ratchet corresponding with the second ratchet, and seventh gear and sixth gear meshing, fixedly connected with dead lever between fixed axle and the reposition of redundant personnel barrel inner wall, go up the barrel and be the mirror image setting with lower barrel structure the same and relatively.

Through adopting above-mentioned technical scheme, pivot D when last barrel actuating mechanism rotates, drive the synchronous clockwise rotation of seventh gear through the second ratchet, because the sixth gear makes fixedly, the seventh gear moves along sixth gear circumference orbit, drive the separation barrel and move in step, and because last barrel is the same with lower barrel structure, all be connected with sixth gear drive through the ratchet the same with last barrel, can not produce the interference spacing with the actuating mechanism in the lower barrel when the actuating mechanism drive separation barrel of last barrel, whole separation box need not external control access and controls, can realize the separation and the discharge of impurity, the circulation of separation of impurity part switches, green is energy-conserving, long service life.

The invention is further configured to: further comprising:

the annular groove A is formed in one side, far away from the sixth gear, of the fixed shaft and is coaxial with the fixed shaft;

the rotating ring is connected to the outer side of the ring groove A in a rotating and sealing manner;

the diversion trench is arranged at the bottom of the annular trench A, the horizontal height of the notch of the diversion trench is higher than the horizontal height of the axis of the fixed shaft,

the guide pipe A is fixedly connected between the guide opening and the rotating ring, and the rotating ring is provided with a guide hole for communicating the guide pipe A and the ring groove A;

the flow guide channel is positioned in the fixed shaft and is communicated with the flow guide groove;

the guide pipe B is fixedly connected to one end, far away from the separation cylinder, of the fixed shaft and is communicated with the guide channel;

the flow guide cover is annular and is arranged at the upper end of the separation box body in a covering manner, four arc-shaped grooves (not shown in the figure) corresponding to the flow distribution barrel are arranged at the lower end of the flow guide cover, an annular groove B (not shown in the figure) is formed in the upper end of the flow guide cover, the annular groove B is coaxial with the flow guide cover, the upper end of the flow guide cover is rotatably connected with a sealing cover, and a connecting hole A is formed in the sealing cover;

the one end that fixed axle was kept away from to honeycomb duct B is connected with the discharge gate, be equipped with check valve C in the honeycomb duct A, conveying pipeline A lower extreme rotates to be connected with the conveying pipeline B of buckling the setting in succession, conveying pipeline B's entry end is coaxial with the guiding lid, conveying pipeline B's exit end fixed connection is in connecting hole A, four intercommunicating pores B have been seted up to annular B tank bottom through, four intercommunicating pores B extend to respectively in the semi-ring cavity A of four reposition of redundant personnel barrels, separation box lower extreme fixedly connected with is used for driving conveying pipeline B around conveying pipeline A pivoted driving motor.

Through adopting above-mentioned technical scheme, can drive the regular rotatory switching of conveying pipeline B through setting up driving motor, make four reposition of redundant personnel barrels recycles, reduce the load, increase of service life if one of them ageing damage can switch over to all the other three reposition of redundant personnel barrels on, then carry out the dismouting and maintain, can not influence normal material and filter output, excellent in use effect.

A process of PE pipe steel skeleton coating equipment comprises the following steps:

s1, starting a power supply, and starting a plastic extruder;

s2, uniformly screening the material master batches, pouring the material master batches into a stirring barrel, stirring and heating the material master batches to a molten state, and discharging the material master batches into a material conveying cylinder;

s3, starting a packing auger in the material conveying cylinder, and extruding the molten material into a separation box body through a material conveying pipe A and a material conveying pipe B;

s4, pressing the materials in the molten state into the semi-ring cavity A through the ring groove B and the communicating hole B, then entering the upper barrel body of the separation barrel body through the flow guide opening, and driving the impeller to rotate through the porous separation plate, the inclined hopper, the flow guide cavity and the discharge opening in sequence;

s5, the extruded molten materials sequentially pass through the discharge opening, the flow guide pipe A, the flow guide hole and the flow guide groove, enter the flow guide channel and are conveyed to the discharge opening through the flow guide pipe B;

s6, forming a sheet-shaped plate through a discharge port, conveying and covering the sheet-shaped plate to the outer side of the steel skeleton;

s7, cooling, shaping and delivering from a warehouse;

s8, when the impeller in the step S4 rotates, the third gear is driven to rotate through the rotating shaft A, the third gear drives the first gear and the second gear to rotate, the second gear drives the sliding block matched with the second gear to reciprocate up and down, the sliding plug connected with the sliding block and the sliding block synchronously reciprocate up and down, and external air is sucked in and then discharged to the air storage box through the one-way valve B;

s9, when the sliding block reciprocates up and down, the elastic poking block is driven by the connecting rod to poke the first ratchet wheel to rotate clockwise, when the sliding rod reciprocates once, the first ratchet wheel is driven to rotate by a stroke interval, the first ratchet wheel drives the fourth gear to synchronously move through the rotating shaft C, the fourth gear drives the fifth gear to rotate anticlockwise, the fifth gear drives the clockwork spring to contract in the shell C through rotation D, when a notch on the fourth gear rotates to be tangent to the fifth gear, the fourth gear is not meshed with the fifth gear at the moment, the rotation D drives the clockwork spring to rotate clockwise through the acting force released by the clockwork spring, the separation barrel rotates by a stroke around the fixed shaft through matching with the sixth gear, and then the clockwork spring is driven by the fourth gear to continuously contract so as to circulate;

and S10, when the upper cylinder body is switched to the semi-arc cavity B, the driving device in the upper cylinder body stops, the lower cylinder body drives the separation cylinder body to integrally rotate by starting, and meanwhile, compressed gas is sprayed out of a gas storage cavity in the upper cylinder body to back flush the porous separation plate in the upper cylinder body.

By adopting the technical scheme: through the setting of separation box, when the material passes through the separation box, impurity in the material is come out by separation box autosegregation to the separation box can be with the automatic discharge of the impurity of coming out, saves artifical clear loaded down with trivial details step, need not external control access and controls, can realize the separation and the discharge of impurity, the circulation switching of impurity separation part, green is energy-conserving, long service life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a plastic extruder according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of an embodiment A of the present invention;

FIG. 3 is a first schematic structural diagram of a separation box according to an embodiment of the present invention;

FIG. 4 is a second structural diagram of a separation box according to the embodiment of the present invention;

FIG. 5 is a first schematic view of a separation cylinder according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a second separation cylinder according to an embodiment of the present invention;

FIG. 7 is a partial enlarged view of a separation cylinder B according to an embodiment of the present invention

FIG. 8 is an enlarged view of a portion of a separation cylinder C according to an embodiment of the present invention;

fig. 9 is a partially enlarged view of the separation cylinder D according to the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present application, it is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. For convenience of description, the dimensions of the various features shown in the drawings are not necessarily drawn to scale. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

It should be noted that in the description of the present application, the orientation or positional relationship indicated by the terms such as "front, back, up, down, left, right", "lateral, vertical, horizontal" and "top, bottom" and the like are generally based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description only, and in the case of not making a reverse description, these orientation terms do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It should be noted that, in the present application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a component of' 8230; \8230;" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

Example 1:

as shown in fig. 1 to 9, an embodiment of the present invention provides a steel skeleton coating apparatus for PE pipe, which includes a slide rail (not shown) fixedly connected to the ground and a plastic extruder fixedly connected to an upper end of the slide rail, wherein the plastic extruder includes:

the conveying cylinder A1 is transversely arranged on the slide rail, and a packing auger for conveying materials is arranged in the conveying cylinder A1;

the mixing drum 2 is fixedly connected to the upper end of the material conveying drum A1 and is used for melting plastic particles and conveying the melted plastic particles into the material conveying drum A1;

the conveying pipe A3 is fixedly connected to one end of the conveying cylinder A1;

a discharge port (not shown in the figure) fixedly connected to one side of the plastic extruder and used for discharging the melted materials to the outer side of the steel skeleton;

wherein, a separation box body 5 used for separating impurities in the materials is fixedly connected between the discharge port and the material conveying pipe A3.

Through adopting above-mentioned technical scheme, through the setting of separation box, when the material passes through the separation box, impurity in the material is come out by separation box autosegregation to the separation box can be with the impurity automatic discharge who separates out, saves artifical clear loaded down with trivial details step.

Example 2:

the embodiment provides PE pipe steel skeleton coating equipment, which comprises the technical scheme of the embodiment and also has the following technical characteristics:

in the embodiment of the invention, the discharge hole is a long rectangular shape arranged transversely.

Through adopting above-mentioned technical scheme, can make the slice material of extruding from the discharge gate, can make the material extrude the smooth cover on the steel skeleton surface of back.

Example 3:

the embodiment provides PE pipe steel skeleton coating equipment, which comprises the technical scheme of the embodiment and is also characterized in that:

in the embodiment of the present invention, the separation tank 5 includes:

the flow dividing cylinder body 6 is positioned on four outer side walls of the box body 5, and a semi-ring groove A61 and a semi-ring groove B62 are respectively formed in the upper side and the lower side of the front end of the flow dividing cylinder body 6;

the fixing plate 63 is fixedly connected to the outer side of the separation box body 5 through bolts, two semi-ring convex blocks corresponding to the semi-ring groove A61 and the semi-ring groove B62 respectively are welded at one end of the fixing plate 63, a threaded hole A is formed in each semi-ring convex block, and a threaded hole B corresponding to the threaded hole A is formed in the inner wall of the shunt cylinder body 6;

the separation cylinder 7 is fixedly connected to the inner side of the shunt cylinder 6;

wherein, the outer four side walls of the separation box 5 are provided with through holes for the shunt cylinder 7 to insert, the central axis of the separation cylinder 7 is perpendicular to the central axis of the shunt cylinder 6, when the semi-ring projection of the fixing plate 63 is inserted into the shunt cylinder 6 and fixed on the separation box 5, a semi-ring cavity A is formed between one of the semi-ring projections and the bottom of the semi-ring groove A61, and a semi-ring cavity B is formed between the other semi-ring projection and the bottom of the semi-ring groove B62.

Through adopting above-mentioned technical scheme, the reposition of redundant personnel barrel passes through the fixed plate to be fixed on the separation box, easy dismounting, after the cooperation is connected with the semi-ring lug on the fixed plate to the reposition of redundant personnel barrel, insert the through-hole with the separation barrel again, after then with the fixed plate fixed to the separation box can, the material enters into semi-ring chamber A through the conveying pipeline after the separation barrel with impurity separation carry to the ejection of compact after, semi-ring chamber B is used for collecting the impurity after the separation, separation and collection can carry out each other simultaneously and do not influence, excellent in use effect.

Example 4:

the embodiment provides PE pipe steel skeleton coating equipment, which comprises the technical scheme of the embodiment and also has the following technical characteristics:

in the embodiment of the present invention, the shunt cylinder 6 further includes:

the annular opening is formed in the inner side wall of the shunt cylinder body 6 and communicated with the semi-ring cavity A and the semi-ring cavity B;

the clamping ring 8 is connected in the annular opening in a rotating and sealing manner;

wherein, the upper and lower ends of the snap ring 8 are respectively provided with a flow guide opening 81 for the upper and lower ends of the separation cylinder 7 to be clamped in.

By adopting the technical scheme, the separation cylinder body can rotate in the shunt cylinder body, so that the separation cylinder body is continuously switched between the semi-ring cavity A and the semi-ring cavity B, and the service life is prolonged.

Example 5:

the embodiment provides PE pipe steel skeleton coating equipment, which comprises the technical scheme of the embodiment and is also characterized in that:

in the present embodiment, the separation cylinder 7 includes:

an upper cylinder body;

the lower cylinder body is fixedly connected to the lower end of the upper cylinder body;

go up the barrel in from top to bottom fixedly connected with in proper order:

a porous separation plate 9;

a chute 10;

the partition plate 11 is L-shaped;

a spool 12;

wherein, form the water conservancy diversion chamber between division board 11 and the last barrel wall, seted up bin outlet and air inlet on the water conservancy diversion chamber wall, the embedded relief valve that is equipped with of air inlet, one side fixed mounting that division board 11 keeps away from the bin outlet has and is used for driving the actuating mechanism that separates barrel 7 along the 6 internal diameter direction circumferential direction of reposition of redundant personnel barrel.

Through adopting above-mentioned technical scheme, when last barrel was located semi-ring cavity A, the material in the semi-ring cavity A entered into the upper barrel through the water conservancy diversion mouth in, and then loop through porous separation plate, inclined material board and enter into the water conservancy diversion intracavity, later flowed to the discharge gate through the bin outlet, and the material is when through porous separation plate, and the impurity in the material is held back in porous separation plate upper end.

Example 6:

the embodiment provides PE pipe steel skeleton coating equipment, which comprises the technical scheme of the embodiment and is also characterized in that:

in an embodiment of the present invention, the drive mechanism includes:

the shell A13 is integrally formed at one end of the partition plate 11, which is far away from the discharge port, and a rotating shaft A is connected between the inner connecting side walls of the shell A13;

the rectangular opening is formed in one side, away from the shell A13, of the partition plate 11;

the impeller 14 is rotatably connected into the shell A13 through a rotating shaft A, the impeller 14 is vertically arranged, and one end of the impeller 14 extends into the flow guide cavity through the rectangular opening and is positioned below the outlet of the inclined material port;

a rotating shaft B15 which is rotatably connected to the outer side of the shell A13, and a first gear 16 and a second gear 17 are sequentially connected to the outer side of the rotating shaft B15 in a key mode;

the sliding block 18 is in a long strip shape and is arranged in a hollow mode;

a connecting rod A19 fixedly connected between the sliding block 18 and the sliding plug 12;

one end of the rotating shaft A penetrates through and extends to the outer side of the shell A13 to be connected with a third gear 151 in a key mode, the third gear 151 is meshed with the first gear 16, the second gear 17 is located on the inner side of the sliding block 18, the second gear 17 is a half gear, a plurality of teeth 20 which are connected and arranged are integrally formed on two side walls in the sliding block 18, the number of the teeth 20 on any side wall in the sliding block 18 is equal to that of the teeth of the second gear 17, and the outer side of the shell A13 is fixedly connected with a limiting frame 21 used for limiting the sliding block 18, and a check valve A and a check valve B which are communicated with the inside of the upper cylinder are sequentially embedded in the outer side of the lower end of the upper cylinder; the level of check valve A and check valve B is less than the level of sliding plug 12, goes up the outer one side of barrel and still fixedly connected with gas storage tank 111, and fixed connection has the breather pipe respectively between check valve B and relief valve and the gas storage tank 111, and the slag discharging port with outside intercommunication is seted up to reposition of redundant personnel barrel lower extreme, and slag discharging port and half arc chamber B intercommunication.

By adopting the technical scheme, when materials enter the flow guide cavity and are output through the discharge opening, the materials impact one side of the impeller to drive the impeller to rotate, the impeller rotates and simultaneously drives the third gear to rotate through the rotating shaft A, the third gear drives the first gear and the second gear to rotate, the second gear drives the sliding block matched with the second gear to reciprocate up and down, the sliding plug connected with the sliding block synchronously reciprocates up and down with the sliding block, and external air is sucked into the air storage box and then is discharged to the air storage box through the one-way valve B;

the pressure set value of the pressure relief valve is equal to the pressure value measured in the gas storage cavity after the upper cylinder body passes through the semi-arc cavity A.

Example 7:

the embodiment provides PE pipe steel skeleton coating equipment, which comprises the technical scheme of the embodiment and is also characterized in that:

in an embodiment of the present invention, the driving mechanism further comprises:

the shell B22 is fixedly connected to the middle part of the outer side of the upper cylinder;

the connecting rod B23 is fixedly connected to one side, away from the partition plate, of the sliding block 18, one end of the connecting rod B23 penetrates through the wall of the upper barrel body and extends to the inner side of the shell B22, and a sliding groove corresponding to the connecting rod B23 is formed in the outer side wall of the upper barrel body;

the rotating shaft C25 is rotatably connected in the shell B22, the length direction of the rotating shaft C25 is parallel to that of the connecting rod B23, and the rotating shaft C25 is sequentially connected with a first ratchet wheel 26 and a fourth gear 27;

the elastic shifting block 28 is fixedly connected to one side, facing the first ratchet wheel 26, of the connecting rod B23;

the rotating shaft D29 is rotatably connected in the shell B22, a fifth gear 30 is connected to the outer side key of the rotating shaft D29, and the fifth gear 30 is meshed with the fourth gear 27;

a case C31 fixedly connected to the inner side wall of the case B22, wherein a spring is loaded in the case C31;

the outer diameter of the fourth gear 27 is greater than that of the fifth gear 30, a notch corresponding to the fifth gear 30 is formed in one side of the outer side of the fourth gear 27, when the connecting rod B23 horizontally moves downwards, the elastic toggle block 28 drives the first ratchet 26 to rotate clockwise, one end of the rotating shaft D29 penetrates through the shell C31 and extends to the outer side of the shell B22, one end of the spring is fixedly connected to the inner wall of the shell C31, the other end of the spring is fixedly connected to the portion, located in the shell C31, of the rotating shaft D29, the fixed shaft 32 is rotatably connected to the shunt cylinder 6 in a rotating mode, one end of the fixed shaft 32 penetrates through the middle of the separation cylinder 7 and extends to the outer side of the separation cylinder 7 to be connected with the sixth gear, and the rotating shaft D29 is in transmission connection with the sixth gear 33.

By adopting the technical scheme, when the sliding rod continuously reciprocates up and down, the elastic poking block is driven by the connecting rod to poke the first ratchet wheel to rotate clockwise, when the sliding rod does reciprocating motion once, the first ratchet wheel is driven to rotate for a stroke interval, the first ratchet wheel drives the fourth gear to do synchronous motion through the rotating shaft C, the fourth gear drives the fifth gear to do anticlockwise rotation, the fifth gear drives the clockwork spring through rotating the D, so that the clockwork spring is continuously contracted in the shell C, when a notch on the fourth gear rotates to be tangent with the fifth gear, the fourth gear is not meshed with the fifth gear at the moment, the rotating D drives the clockwise rotation through the acting force released by the clockwork spring, then the separating cylinder rotates for a stroke around the fixed shaft through matching with the sixth gear, then the clockwork spring is continuously contracted through being driven by the fourth gear, the cycle is carried out until the upper cylinder is switched to the semi-arc cavity B, at the moment, the driving device in the upper cylinder stops, the lower cylinder drives the separating cylinder to rotate and drives the separating cylinder to rotate integrally.

Example 8:

the embodiment provides PE pipe steel skeleton coating equipment, which comprises the technical scheme of the embodiment and also has the following technical characteristics:

in the embodiment of the present invention, the rotating shaft D29 further includes:

a seventh gear 34 rotatably connected to the rotating shaft D29 and located outside the housing B22;

the accommodating groove A is formed in a cylindrical shape at one end, away from the shell B22, of the seventh gear 34;

the second ratchet wheel 35 is positioned in the accommodating groove A, is coaxial with the seventh gear 34 and is in key connection with the rotating shaft D29;

wherein, the inner wall of the accommodating groove A is hinged with ratchets corresponding to the second ratchet wheel 35, the seventh gear 34 is meshed with the sixth gear 33, a fixed rod is fixedly connected between the fixed shaft 32 and the inner wall of the shunt cylinder body 6, and the upper cylinder body and the lower cylinder body have the same structure and are arranged in a mirror image manner relatively.

By adopting the technical scheme, when the rotating shaft D of the upper cylinder body driving mechanism rotates, the seventh gear is driven to synchronously rotate clockwise by the second ratchet wheel, the sixth gear is fixed, the seventh gear moves along the circumferential track of the sixth gear to drive the separation cylinder body to synchronously move, and the upper cylinder body and the lower cylinder body are in the same structure and are in transmission connection with the sixth gear by the ratchet mechanism which is the same as that of the upper cylinder body;

the thickness of the interval part between the two sides of the half-arc cavity A and the half-arc cavity B respectively occupies the circumferential stroke interval of the shunt cylinder body with the angle of 20, the diameter of the separation cylinder body is equal to the thickness of the interval part between the two sides of the half-arc cavity A and the half-arc cavity B, the rotation D drives the clockwise rotation through the acting force released by the spring, then one section of stroke of the separation cylinder body rotating around the fixed shaft is the circumferential stroke interval of the shunt cylinder body with the angle of 10 through matching with the sixth gear, and the separation cylinder body cannot be superposed with the interval part between the two sides of the half-arc cavity A and the half-arc cavity B to influence the circulation of a molten medium when not rotating.

Example 9:

the embodiment provides PE pipe steel skeleton coating equipment, which comprises the technical scheme of the embodiment and also has the following technical characteristics:

in the embodiment of the present invention, the method further includes:

the ring groove A36 is formed in one side, away from the sixth gear, of the fixing shaft 32, and the ring groove A36 is coaxial with the fixing shaft 32;

the rotating ring 37 is connected outside the ring groove A36 in a rotating and sealing mode;

the diversion trench is arranged at the bottom of the annular groove A36, the horizontal height of the notch of the diversion trench is higher than the horizontal height of the axle center of the fixed shaft 32,

the guide pipe A38 is fixedly connected between the guide port and the rotating ring 37, and the rotating ring 37 is provided with a guide hole for communicating the guide pipe A38 with the annular groove A36;

the flow guide channel is positioned in the fixed shaft 32 and is communicated with the flow guide groove;

the guide pipe B is fixedly connected to one end, far away from the separation cylinder 7, of the fixed shaft 32 and is communicated with the guide channel;

the flow guide cover 40 is annular and is arranged at the upper end of the separation box body 5 in a covering manner, four arc-shaped grooves corresponding to the flow distribution cylinder body 6 are formed in the lower end of the flow guide cover 40, an annular groove B is formed in the upper end of the flow guide cover 40 and is coaxial with the flow guide cover 40, a sealing cover is rotatably connected to the upper end of the flow guide cover 40, and a connecting hole A is formed in the sealing cover;

wherein, the one end that fixed axle 32 was kept away from to honeycomb duct B is connected with the discharge gate, be equipped with check valve C in honeycomb duct A38, the conveying pipeline B41 that continuous bending set up is connected with in the rotation of conveying pipeline A3 lower extreme, the entry end of conveying pipeline B41 is coaxial with guiding lid 40, the exit end fixed connection of conveying pipeline B41 is in connecting hole A, four intercommunicating pores B have been seted up to annular B tank bottom through, four intercommunicating pores B extend to respectively in the semi-ring cavity A of four reposition of redundant personnel barrels 6, 5 lower extreme fixedly connected with of separation box are used for driving conveying pipeline B41 around conveying pipeline A3 pivoted driving motor.

By adopting the technical scheme, the conveying pipe B can be driven to rotate and switch at regular time by arranging the driving motor, so that the four shunt cylinders can be recycled, the load is reduced, the service life is prolonged, if one of the shunt cylinders is aged and damaged, the shunt cylinders can be switched to the other three shunt cylinders, then the shunt cylinders are disassembled and maintained, the normal material filtering output cannot be influenced, and the using effect is good;

the pressure value of the openable check valve C is larger than the set pressure value of the pressure relief valve.

A process of PE pipe steel skeleton coating equipment comprises the following steps:

s1, starting a power supply, and starting a plastic extruder;

s2, uniformly screening the material master batches, pouring the material master batches into a stirring barrel, stirring and heating the material master batches to a molten state, and discharging the material master batches into a material conveying cylinder;

s3, starting a packing auger in the material conveying cylinder, and extruding the molten material into a separation box body through a material conveying pipe A and a material conveying pipe B;

s4, pressing the materials in the molten state into the semi-ring cavity A through the ring groove B and the communicating hole B, then entering the upper barrel body of the separation barrel body through the flow guide opening, and driving the impeller to rotate through the porous separation plate, the inclined hopper, the flow guide cavity and the discharge opening in sequence;

s5, the extruded molten material sequentially passes through the discharge port, the flow guide pipe A, the flow guide hole and the flow guide groove, enters the flow guide channel and is conveyed to the discharge port through the flow guide pipe B;

s6, forming a sheet-shaped plate through a discharge port, conveying and covering the sheet-shaped plate to the outer side of the steel skeleton;

s7, cooling, shaping and discharging;

s8, when the impeller in the step S4 rotates, the third gear is driven to rotate through the rotating shaft A, the third gear drives the first gear and the second gear to rotate, the second gear drives the sliding block matched with the second gear to reciprocate up and down, the sliding plug connected with the sliding block and the sliding block synchronously reciprocate up and down, and external air is sucked in and then discharged to the air storage box through the one-way valve B;

s9, when the sliding block reciprocates up and down, the elastic poking block is driven by the connecting rod to poke the first ratchet wheel to rotate clockwise, when the sliding rod reciprocates once, the first ratchet wheel is driven to rotate by a stroke interval, the first ratchet wheel drives the fourth gear to synchronously move through the rotating shaft C, the fourth gear drives the fifth gear to rotate anticlockwise, the fifth gear drives the clockwork spring to contract in the shell C through rotation D, when a notch on the fourth gear rotates to be tangent to the fifth gear, the fourth gear is not meshed with the fifth gear at the moment, the rotation D drives the clockwork spring to rotate clockwise through the acting force released by the clockwork spring, the separation barrel rotates by a stroke around the fixed shaft through matching with the sixth gear, and then the clockwork spring is driven by the fourth gear to continuously contract so as to circulate;

s10, when the upper cylinder body is switched to the semi-arc cavity B, the driving device in the upper cylinder body stops, the lower cylinder body is driven to rotate and starts to drive the whole separation cylinder body to rotate, and meanwhile, compressed gas is sprayed out from the gas storage cavity in the upper cylinder body to recoil the porous separation plate in the upper cylinder body.

By adopting the technical scheme: through the setting of separation box, when the material passes through the separation box, impurity in the material is come out by separation box autosegregation to the separation box can be with the automatic discharge of the impurity of coming out, saves artifical clear loaded down with trivial details step, need not external control access and controls, can realize the separation and the discharge of impurity, the circulation switching of impurity separation part, green is energy-conserving, long service life.

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 invention, 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 (10)

1. The utility model provides a PE tubular product steel skeleton coating equipment, includes slide rail and the plastic extruder of fixed connection in the slide rail upper end of fixed connection in ground, its characterized in that, plastic extruder includes:

the conveying cylinder A (1) is transversely arranged on the slide rail, and a packing auger for conveying materials is arranged in the conveying cylinder A (1);

the mixing drum (2) is fixedly connected to the upper end of the material conveying drum A (1) and is used for melting plastic particles and conveying the melted plastic particles into the material conveying drum A (1);

the material conveying pipe A (3) is fixedly connected to one end of the material conveying cylinder A (1);

the discharge port is fixedly connected to one side of the plastic extruder and used for discharging the melted materials to the outer side of the steel skeleton;

wherein, a separation box body (5) used for separating impurities in the materials is fixedly connected between the discharge port and the material conveying pipe A (3).

2. The steel skeleton coating equipment for PE pipes as claimed in claim 1, wherein the discharge port is a transversely arranged rectangular strip.

3. The steel skeleton coating equipment for PE pipes according to claim 1, wherein the separating box (5) comprises:

the flow dividing cylinder body (6) is positioned on the four outer side walls of the separation box body (5), and the upper side and the lower side of the front end of the flow dividing cylinder body (6) are respectively provided with a semi-ring groove A (61) and a semi-ring groove B (62);

the fixing plate (63) is fixedly connected to the outer side of the separating box body (5) through bolts, two semi-ring convex blocks corresponding to the semi-ring grooves A (61) and the semi-ring grooves B (62) are welded at one end of the fixing plate (63), threaded holes A are formed in the semi-ring convex blocks, and threaded holes B corresponding to the threaded holes A are formed in the inner wall of the flow distributing cylinder body (6);

the separation cylinder body (7) is fixedly connected to the inner side of the shunt cylinder body (6);

the separating box body (5) is provided with through holes for inserting the flow dividing cylinder body (7) on the four outer side walls, the central shaft of the separating cylinder body (7) is perpendicular to the central shaft of the flow dividing cylinder body (6), when the semi-ring convex block of the fixing plate (63) is inserted into the flow dividing cylinder body (6) and fixed on the separating box body (5), a semi-ring cavity A is formed between one semi-ring convex block and the bottom of the semi-ring groove A (61), and a semi-ring cavity B is formed between the other semi-ring convex block and the bottom of the semi-ring groove B (62).

4. The PE pipe steel skeleton coating equipment according to claim 3, wherein the shunt cylinder (6) further comprises:

the annular opening is formed in the inner side wall of the shunt cylinder body (6) and communicated with the semi-ring cavity A and the semi-ring cavity B;

the clamping ring (8) is connected in the annular opening in a rotating and sealing manner;

wherein, the upper end and the lower end of the snap ring (8) are respectively provided with a flow guide opening (81) for the clamping of the upper end and the lower end of the separation cylinder body (7).

5. A PE pipe steel skeleton coating apparatus according to claim 4, characterized in that the separating cylinder (7) comprises:

an upper cylinder body;

the lower barrel is fixedly connected to the lower end of the upper barrel;

go up the barrel in from top to bottom fixedly connected with in proper order:

a porous separation plate (9);

a chute hopper (10);

the partition plate (11), the partition plate (11) is L-shaped;

a sliding plug (12);

wherein, form the water conservancy diversion chamber between division board (11) and the last barrel wall, seted up bin outlet and air inlet on the water conservancy diversion chamber wall, the embedded relief valve that is equipped with of air inlet, one side fixed mounting that the bin outlet was kept away from in division board (11) has and is used for driving separation barrel (7) along reposition of redundant personnel barrel (6) internal diameter direction circumferential direction's actuating mechanism.

6. The PE pipe steel skeleton coating equipment as claimed in claim 5, wherein the driving mechanism comprises:

the shell A (13) is integrally formed at one end of the partition plate (11) far away from the discharge port, and a rotating shaft A is connected between the inner connecting side walls of the shell A (13);

the rectangular opening is formed in one side, away from the shell A (13), of the partition plate (11);

the impeller (14) is rotatably connected into the shell A (13) through a rotating shaft A, the impeller (14) is vertically arranged, and one end of the impeller (14) extends into the flow guide cavity through the rectangular opening and is positioned below an outlet of the inclined material port;

a rotating shaft B (15) which is rotatably connected to the outer side of the shell A (13), and a first gear (16) and a second gear (17) are sequentially connected to the outer side of the rotating shaft B (15) in a key manner;

the sliding block (18), the sliding block (18) is long and hollow;

the connecting rod A (19) is fixedly connected between the sliding block (18) and the sliding plug (12);

one end of the rotating shaft A penetrates through and extends to the outer side of the shell A (13) to be connected with a third gear (151) in a key mode, the third gear (151) is meshed with the first gear (16), the second gear (17) is located on the inner side of the sliding block (18), the second gear (17) is a half gear, a plurality of connected teeth (20) are integrally formed on the inner two side walls of the sliding block (18), the number of the teeth (20) on any side wall in the sliding block (18) is equal to that of the second gear (17), and a one-way valve A and a one-way valve B which are communicated with the inside of the upper cylinder are sequentially embedded in the outer side of the lower end of the upper cylinder of a limiting frame (21) fixedly connected with the outer side of the shell A (13); the level of check valve A and check valve B is less than the level of sliding plug (12), goes up the outer one side of barrel and still fixedly connected with gas storage tank (111), and fixed connection has the breather pipe respectively between check valve B and relief valve and gas storage tank (111), and the slag notch with outside intercommunication is seted up to reposition of redundant personnel barrel lower extreme, and slag notch and half arc chamber B intercommunication.

7. The PE pipe steel skeleton coating equipment according to claim 6, wherein the driving mechanism further comprises:

the shell B (22) is fixedly connected to the middle part of the outer side of the upper cylinder;

the connecting rod B (23) is fixedly connected to one side, away from the partition plate, of the sliding block (18), one end of the connecting rod B (23) penetrates through the wall of the upper barrel body and extends to the inner side of the shell B (22), and a sliding groove corresponding to the connecting rod B (23) is formed in the outer side wall of the upper barrel body;

the rotating shaft C (25) is rotatably connected in the shell B (22), the length direction of the rotating shaft C (25) is parallel to that of the connecting rod B (23), and the rotating shaft C (25) is sequentially connected with a first ratchet wheel (26) and a fourth gear (27);

the elastic shifting block (28) is fixedly connected to one side, facing the first ratchet wheel (26), of the connecting rod B (23);

the rotating shaft D (29) is rotatably connected into the shell B (22), the outer side key of the rotating shaft D (29) is connected with a fifth gear (30), and the fifth gear (30) is meshed with the fourth gear (27);

a case C (31) fixedly connected to the inner side wall of the case B (22), wherein a clockwork spring is loaded in the case C (31);

the outer diameter of the fourth gear (27) is larger than that of the fifth gear (30), a notch corresponding to the fifth gear (30) is formed in one outer side of the fourth gear (27), when the connecting rod B (23) moves downwards horizontally, the elastic poking block (28) drives the first ratchet wheel (26) to rotate clockwise, one end of the rotating shaft D (29) penetrates through the shell C (31) and extends to the outer side of the shell B (22), one end of the clockwork spring is fixedly connected to the inner wall of the shell C (31), the other end of the clockwork spring is fixedly connected to the portion, located in the shell C (31), of the rotating shaft D (29), the shunting cylinder (6) is connected with the fixing shaft (32) in a rotating mode, one end of the fixing shaft (32) penetrates through the middle of the separating cylinder (7) and extends to the outer side of the separating cylinder (7) to be connected with the sixth gear (33) in a key mode, and the rotating shaft D (29) is in transmission connection with the sixth gear (33).

8. The PE pipe steel skeleton coating equipment according to claim 7, wherein the rotating shaft D (29) further comprises:

a seventh gear (34) which is rotatably connected to the rotating shaft D (29) and is positioned outside the shell B (22);

the accommodating groove A is formed in a cylindrical shape and is formed in one end, departing from the shell B (22), of the seventh gear (34);

the second ratchet wheel (35) is positioned in the accommodating groove A, is coaxial with the seventh gear (34) and is connected with the rotating shaft D (29) in a key mode;

wherein, the inner wall of the accommodating groove A is hinged with ratchets corresponding to the second ratchet wheel (35), a seventh gear (34) is meshed with a sixth gear (33), a fixed rod is fixedly connected between the fixed shaft (32) and the inner wall of the shunt cylinder body (6), and the upper cylinder body and the lower cylinder body have the same structure and are arranged in a mirror image manner relatively.

9. The PE pipe steel skeleton coating equipment according to claim 8, further comprising:

the annular groove A (36) is formed in one side, away from the sixth gear (33), of the fixed shaft (32), and the annular groove A (36) is coaxial with the fixed shaft (32);

the rotating ring (37) is connected to the outer side of the ring groove A (36) in a rotating and sealing mode;

a diversion trench which is arranged at the bottom of the ring groove A (36), the horizontal height of the notch of the diversion trench is higher than the horizontal height of the axle center of the fixed shaft (32),

the diversion pipe A (38) is fixedly connected between the diversion port and the rotating ring (37), and the rotating ring (37) is provided with a diversion hole for communicating the diversion pipe A (38) with the ring groove A (36);

the flow guide channel is positioned in the fixed shaft (32) and is communicated with the flow guide groove;

the guide pipe B is fixedly connected to one end, far away from the separation cylinder (7), of the fixed shaft (32) and communicated with the guide channel;

the flow guide cover (40) is annular and is arranged at the upper end of the separation box body (5) in a covering mode, four arc-shaped grooves corresponding to the flow distribution cylinder body (6) are formed in the lower end of the flow guide cover (40), a ring groove B is formed in the upper end of the flow guide cover (40), the ring groove B is coaxial with the flow guide cover (40), a sealing cover is rotatably connected to the upper end of the flow guide cover (40), and a connecting hole A is formed in the sealing cover;

wherein, the one end that fixed axle (32) was kept away from to honeycomb duct B is connected with the discharge gate, be equipped with check valve C in honeycomb duct A (38), conveying pipeline A (3) lower extreme rotates and is connected with conveying pipeline B (41) of continuous bending type setting, the entry end and the water conservancy diversion lid (40) of conveying pipeline B (41) are coaxial, the exit end fixed connection of conveying pipeline B (41) is in connecting hole A, four intercommunicating pores B have been seted up to annular B tank bottom with running through, four intercommunicating pores B extend to respectively in the semi-ring cavity A of four reposition of redundant personnel barrels (6), separation box (5) lower extreme fixedly connected with is used for driving conveying pipeline B (41) around conveying pipeline A (3) pivoted driving motor.

10. The process of the PE pipe steel skeleton coating equipment according to the claims 1 to 9, which is characterized by comprising the following steps:

s1, starting a power supply, and starting a plastic extruder;

s2, uniformly screening the material master batches, pouring the material master batches into a stirring barrel, stirring and heating the material master batches to a molten state, and discharging the material master batches into a material conveying cylinder;

s3, starting a packing auger in the conveying cylinder, and extruding the molten material into the separation box through a conveying pipe A and a conveying pipe B;

s4, pressing the materials in the molten state into the semi-ring cavity A through the ring groove B and the communicating hole B, then entering the upper barrel body of the separation barrel body through the flow guide opening, and driving the impeller to rotate through the porous separation plate, the inclined hopper, the flow guide cavity and the discharge opening in sequence;

s5, the extruded molten material sequentially passes through the discharge port, the flow guide pipe A, the flow guide hole and the flow guide groove, enters the flow guide channel and is conveyed to the discharge port through the flow guide pipe B;

s6, forming a sheet-shaped plate through a discharge port, conveying and covering the sheet-shaped plate to the outer side of the steel skeleton;

s7, cooling, shaping and delivering from a warehouse;

s8, when the impeller in the step S4 rotates, the third gear is driven to rotate through the rotating shaft A, the third gear drives the first gear and the second gear to rotate, the second gear drives the sliding block matched with the second gear to reciprocate up and down, the sliding plug connected with the sliding block and the sliding block synchronously reciprocate up and down, and external air is sucked in and then discharged to the air storage box through the one-way valve B;

s9, when the sliding block reciprocates up and down, the elastic poking block is driven by the connecting rod B to poke the first ratchet wheel to rotate clockwise, when the sliding rod reciprocates once, the first ratchet wheel is driven to rotate by a stroke interval, the first ratchet wheel drives the fourth gear to synchronously move through the rotating shaft C, the fourth gear drives the fifth gear to rotate anticlockwise, the fifth gear drives the clockwork spring to contract in the shell C through rotation D, when a notch on the fourth gear rotates to be tangent to the fifth gear, the fourth gear is not meshed with the fifth gear at the moment, the rotation D drives the clockwork spring to rotate clockwise through the acting force released by the clockwork spring, the separation barrel rotates by a stroke around the fixed shaft through matching with the sixth gear, and then the clockwork spring is driven by the fourth gear to continuously contract so as to circulate;

s10, when the upper cylinder body is switched to the semi-arc cavity B, the driving device in the upper cylinder body stops, the lower cylinder body is driven to rotate and starts to drive the whole separation cylinder body to rotate, and meanwhile, compressed gas is sprayed out from the gas storage cavity in the upper cylinder body to recoil the porous separation plate in the upper cylinder body.

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