阅读说明：本技术 一种hdpe土工膜在线喷涂双面加糙装置 (HDPE geomembrane online spraying double-sided roughening device ) 是由 代馨 徐世昌 于 2020-06-30 设计创作，主要内容包括：本发明公开了一种HDPE土工膜在线喷涂双面加糙装置,土工膜具有第一喷涂面以及与第一喷涂面相对的第二喷涂面,装置包括支撑单元、喷涂单元和上料单元,土工膜能够通过第一喷涂面或第二喷涂面沿支撑单元滑动；喷涂单元设置于支撑单元,土工膜沿支撑单元滑动时,喷涂单元能够喷涂第一喷涂面和/或第二喷涂面；上料单元用于向喷涂单元输送物料。土工膜在支撑单元上滑动时,既能够完成对第一喷涂面进行喷涂加工,同时也能够完成对第二喷涂面进行喷涂加工,实现土工膜的在线双层喷涂加糙,简化了工艺流程,缩短了加工时间。(The invention discloses an HDPE geomembrane online spraying double-sided roughening device, wherein the geomembrane is provided with a first spraying surface and a second spraying surface opposite to the first spraying surface, the device comprises a supporting unit, a spraying unit and a feeding unit, and the geomembrane can slide along the supporting unit through the first spraying surface or the second spraying surface; the spraying unit is arranged on the supporting unit, and when the geomembrane slides along the supporting unit, the spraying unit can spray the first spraying surface and/or the second spraying surface; the feeding unit is used for conveying materials to the spraying unit. When the geomembrane slides on the supporting unit, the spraying processing of the first spraying surface can be completed, and the spraying processing of the second spraying surface can also be completed, so that the online double-layer spraying roughening of the geomembrane is realized, the process flow is simplified, and the processing time is shortened.)

1. The utility model provides a two-sided device that roughens of HDPE geomembrane online spraying, geomembrane have first spraying face and with the relative second spraying face of first spraying face, its characterized in that includes:

a support unit along which the geomembrane is slidable through the first or second spray face;

the spraying unit is arranged on the supporting unit, and when the geomembrane slides along the supporting unit, the spraying unit can spray the first spraying surface and/or the second spraying surface;

the feeding unit is used for conveying materials to the spraying unit.

2. The in-line coated double-sided roughening device for HDPE geomembranes as claimed in claim 1 wherein said support unit comprises a first support member and a second support member, said geomembrane sliding along said first support member with one of said first and second coated sides and the other sliding along said second support member.

3. The HDPE geomembrane on-line spraying double-sided roughening device according to claim 2, characterized in that,

the second support assembly is positioned at the lower part of the first support assembly, the first support assembly comprises a first bracket and a first sliding part, the second support assembly comprises a second bracket and a second sliding part, and the geomembrane slides to the second sliding part through the first sliding part;

the spraying unit comprises a first spraying component positioned on the first support and a second spraying component positioned on the second support.

4. The HDPE geomembrane in-line coating double-sided roughening device as recited in claim 3, wherein said first support assembly further comprises a clamping member located on an upper portion of said first sliding member, the geomembrane sliding along between said first sliding member and said clamping member.

5. The HDPE geomembrane online spraying double-sided roughening device as claimed in claim 1, wherein the spraying unit comprises a plurality of spray heads, each spray head is used for roughening the geomembrane spraying, and the feeding unit is communicated with each spray head for feeding materials to the spray heads.

6. The HDPE geomembrane on-line spraying double-sided roughening device as claimed in claim 5, wherein said spraying unit further comprises a driving member, said driving member driving a plurality of said nozzles to oscillate back and forth.

7. The HDPE geomembrane online spraying double-sided roughening device as claimed in claim 5, wherein the spraying head comprises a feeding cavity communicated with the feeding unit and an accelerating member, and the accelerating member heats the material in the feeding cavity and accelerates the spraying.

8. The HDPE geomembrane online spraying double-sided roughening device as claimed in claim 5, wherein the spray head has a spray opening communicated with the outside, and the inner diameter of the spray opening is 0.6-0.8 mm.

9. The HDPE geomembrane on-line spraying double-sided roughening device according to claim 1, wherein the feeding unit comprises:

a feed member that delivers material to the spray unit, the feed member having a low level state and a full level state;

a conveying member which conveys the material to the feeding member;

a detection piece including a first detection piece for detecting the low level state and a second detection piece for detecting the full level state;

and the first detection piece triggers the control piece to enable the feeding piece to be communicated with the conveying piece, and the second detection piece triggers the control piece to enable the feeding piece to be closed with the conveying piece.

10. The HDPE geomembrane online coating double-sided roughening device as claimed in claim 9, wherein the material conveying member comprises a material storage pipe and a material conveying pipe, the material storage pipe is communicated with the material conveying member through the material conveying pipe, the material storage pipe comprises a material blowing member arranged at the side part, and the material blowing member can blow the material entering the material storage pipe, so that the material is uniformly distributed on the material storage pipe.

Technical Field

The invention belongs to the field of geomembrane production, and particularly relates to an HDPE geomembrane online spraying double-sided roughening device.

Background

At present, geomembranes are used in many seepage-proofing projects, the geomembranes can be divided into smooth geomembranes and rough geomembranes according to the appearance of products, the smooth geomembranes have smooth surfaces, but the friction coefficient is low, and the rough geomembranes have concave-convex structures and high friction coefficient; compared with the smooth geomembrane, the rough geomembrane can be applied to the projects of roof leakage prevention, garden greening, farmland canal seepage prevention, water and soil conservation, beach reclamation field building, garbage landfill in environmental engineering, three-waste treatment and environmental remediation, desertification prevention and the like, can also be applied to the projects requiring larger friction coefficient such as abrupt slope or slope membrane body surface earthing and the like, and is the primary selection material of the projects of mountain area construction, abrupt slope construction and the like.

The forming process of the geomembrane with the rough surface mainly comprises a spinning roughening method, an embossing roughening method, a chemical foaming roughening method, a nitrogen roughening method and the like, wherein the spinning roughening method is high in use frequency, but the spinning roughening method is used for carrying out roughening treatment on the surface of the geomembrane, only a single surface or partial area in the single surface of the geomembrane can be processed in one process, but the size of the geomembrane is large, and the processes are adopted for processing, so that the waste of manpower and financial resources is caused, and the production efficiency is not high.

Disclosure of Invention

Aiming at the defects, the invention provides the HDPE geomembrane online spraying double-sided roughening device, which has higher geomembrane roughening spraying speed.

The invention is realized by the following technical scheme:

an HDPE geomembrane online spraying double-sided roughening device comprises a supporting unit, a spraying unit and a feeding unit, wherein the geomembrane is provided with a first spraying surface and a second spraying surface opposite to the first spraying surface, and can slide along the supporting unit through the first spraying surface or the second spraying surface; the spraying unit is arranged on the supporting unit, and when the geomembrane slides along the supporting unit, the spraying unit can spray the first spraying surface and/or the second spraying surface; the feeding unit is used for conveying materials to the spraying unit.

Further, the support unit comprises a first support assembly and a second support assembly, the geomembrane slides along the first support assembly through one of the first spraying surface and the second spraying surface, and the geomembrane slides along the second support assembly.

Further, a second support assembly is positioned at the lower part of the first support assembly, the first support assembly comprises a first bracket and a first sliding part, the second support assembly comprises a second bracket and a second sliding part, and the geomembrane slides to the second sliding part through the first sliding part; the spraying unit comprises a first spraying component positioned on the first support and a second spraying component positioned on the second support.

Further, the first support assembly further comprises a clamping member located on the upper portion of the first sliding member, and the geomembrane slides along the space between the first sliding member and the clamping member.

Further, the spraying unit comprises a plurality of spray heads, each spray head is used for roughening the spraying of the geomembrane, and the feeding unit is communicated with each spray head and used for conveying materials to the spray heads.

Furthermore, the spraying unit also comprises a driving part which drives the plurality of spray heads to swing in a reciprocating manner.

Furthermore, the spray head comprises a feeding cavity and an accelerating piece, wherein the feeding cavity is communicated with the feeding unit, and the accelerating piece heats the materials in the feeding cavity and accelerates the spraying.

Further, the nozzle has an ejection port communicating with the outside, and the inner diameter of the ejection port is 0.6 to 0.8 mm.

Further, the feeding unit comprises a feeding piece, a conveying piece, a detecting piece and a control piece, wherein the feeding piece conveys materials to the spraying unit, and the feeding piece has a low material level state and a full material level state; the material conveying piece conveys materials to the material feeding piece; the detection piece comprises a first detection piece for detecting a low material level state and a second detection piece for detecting a full material level state; the first detection piece triggers the control piece to enable the feeding piece to be communicated with the conveying piece, and the second detection piece triggers the control piece to enable the feeding piece to be closed with the conveying piece.

Further, the conveying part comprises a material storage pipe and a conveying pipe, the material storage pipe is communicated with the feeding part through the conveying pipe, the material storage pipe comprises a material blowing part arranged on the side part, and the material blowing part can blow materials entering the material storage pipe so that the materials are uniformly distributed in the material storage pipe.

The invention has the following beneficial effects:

1. when the geomembrane slides on the supporting unit, the spraying processing of the first spraying surface can be completed, and the spraying processing of the second spraying surface can also be completed, so that the online double-layer spraying roughening of the geomembrane is realized, the process flow is simplified, and the processing time is shortened.

2. When the geomembrane is spraying, need guarantee the surfacing, make the spraying more even, through the holder that is located first slider upper portion, the geomembrane is when sliding along first slider, and holder and first slider can press from both sides the geomembrane that is located between tightly, and first slider is as the transfer, and the geomembrane is when removing to the second slider by first slider, and first slider and holder can play the effect of centre gripping equally, prevent that the geomembrane surface from producing and upwarp.

3. The multiple spray heads work simultaneously, the spraying area is wide, the geomembrane can be sprayed once to complete the spraying of the whole spraying surface, and the production efficiency is improved.

4. The shower nozzle can reciprocating motion, has not only enlarged the spraying scope of shower nozzle, has realized the full coverage spraying on geomembrane surface, and through making the shower nozzle remove, makes the shower nozzle become the face spraying by some shower nozzle on the geomembrane surface, when avoiding appearing some spraying, partial regional spraying is too much, and the remaining area does not have the condition of spraying, and the spraying of geomembrane surface is more even, has improved the holistic frictional property of geomembrane.

5. The heating of acceleration piece is so that the feeding intracavity produces the heating gas, the material of heating gas and feeding intracavity fully contacts, make the material become the molten state, and the acceleration piece drives the heating gas along accelerating the chamber accelerated motion, because the material is located the feeding intracavity simultaneously, and the material becomes the molten state, and the mobility is good, the heating gas drives the same accelerated motion of material and blowout, because the material contacts with the heating gas all the time at the flow in-process, make the material be in the molten state all the time, more easily adhere to the geomembrane surface, and the material is in high-speed state all the time at the removal in-process, the material takes place the sputtering after arriving the geomembrane surface like this, form the less punctiform granule of formation volume, it is wider to make geomembrane surface cover area, the roughness on geomembrane.

6. The inner diameter of the jet orifice is smaller, and similarly, the volume of the material is smaller when the material is jetted out from the jet orifice, and the material is sprayed to the surface of the geomembrane along with the heated gas, so that the material is not easy to fall off after being attached to the surface of the geomembrane, the coverage area is wider, and the roughness of the surface of the geomembrane is improved.

7. Detect the material level situation through detecting the piece to carry out automatic unloading according to the material level situation, alleviateed user's intensity of labour, avoided the feeding piece to lack the material and appear the air blowout phenomenon, simultaneously, also can avoid reinforced too much to cause the waste.

8. The material blowing part can accelerate the flowing speed of the materials in the storage pipe, so that the materials are uniformly distributed in the storage pipe.

Drawings

FIG. 1 is a schematic diagram illustrating the structure of an exemplary embodiment of the present invention;

fig. 2 is a schematic structural view illustrating an exemplary embodiment of the geomembrane processing according to the present invention.

In the figure: 1. the device comprises a first supporting component, 11, a first support, 12, a first sliding component, 13, a clamping component, 2, a second supporting component, 21, a second support, 22, a second sliding component, 23, a third sliding component, 3, a first spray head, 4, a second spray head, 5, a driving component, 51, a rotating component, 52, a first connecting rod, 53, a second connecting rod, 6, a feeding component, 7, a conveying component, 71, a storage pipe, 72, a conveying pipe, 8, a control component, 81, a control box, 82 and a control valve.

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.

It should be noted that the terms of orientation such as left, right, up, down, front and back in the embodiments of the present invention are only relative concepts or are referred to a normal use state of the product, i.e., a traveling direction of the product, and should not be considered as limiting.

In addition, the dynamic terms such as "relative movement" mentioned in the embodiments of the present invention include not only a positional change but also a movement in which a state changes without a relative change in position such as rotation or rolling.

Finally, it is noted that when an element is referred to as being "on" or "disposed" to another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

The geomembrane has the characteristics of seepage prevention and isolation, and is widely applied to various environmental protection engineering industries such as refuse landfills, sewage treatment plants and the like.

As shown in fig. 1 and 2, an HDPE geomembrane online spraying double-sided roughening device, the geomembrane having a first spraying surface and a second spraying surface opposite to the first spraying surface, comprises a supporting unit, a spraying unit and a feeding unit, and the geomembrane can slide along the supporting unit through the first spraying surface or the second spraying surface; the spraying unit is arranged on the supporting unit, and when the geomembrane slides along the supporting unit, the spraying unit can spray the first spraying surface and/or the second spraying surface; the feeding unit is used for conveying materials to the spraying unit; wherein, in order to increase the friction force of the geomembrane, the geomembrane is required to be sprayed with rough surfaces on two sides, the surface of the geomembrane which is placed on the ground and used for fixing is a spraying surface of the geomembrane, the surface opposite to the surface used for fixing is the other spraying surface, the geomembrane can change the surface contacted with the supporting unit when sliding along the supporting unit, for example, when the geomembrane slides along the supporting unit through the second spraying surface, the first spraying surface is in an idle state, the spraying unit sprays the first spraying surface, when the geomembrane slides for a certain distance, the turning direction of the geomembrane is changed, so that the geomembrane slides along the supporting unit through the area sprayed in the first spraying surface, at the moment, the second spraying surface is in an idle state, the spraying unit sprays the second spraying surface, namely, the first spraying surface in the geomembrane is firstly sprayed, after the geomembrane slides for a certain distance, and the second spraying surface is sprayed at the same time, but the spraying amount of the second spraying surface is less than that of the first spraying surface, and the difference value is a certain value, and the areas which are not sprayed on the second spraying surface are processed continuously until the first spraying surface is sprayed, and finally the two sides of the geomembrane are sprayed with rough surfaces, so that the double-layer spraying of the geomembrane is roughened, the process flow is simplified, and the processing time is shortened.

The support unit comprises a first support assembly 1 and a second support assembly 2, and the geomembrane slides along the first support assembly 1 through one of the first spraying surface and the second spraying surface and slides along the second support assembly 2.

The second support assembly 2 is positioned at the lower part of the first support assembly 1, the first support assembly 1 comprises a first bracket 11 and a first sliding part 12, the second support assembly 2 comprises a second bracket 21 and a second sliding part 22, and the geomembrane slides to the second sliding part 22 through the first sliding part 12; the spray unit comprises a first spray assembly located in the first support 11 and a second spray assembly located in the second support 21.

When the geomembrane is moving, firstly pass first spraying component below, first spraying surface is located second spraying surface top, first spraying component carries out the spraying to first spraying surface and adds rough, the geomembrane moves to first slider 12 afterwards, first slider 12 plays the effect of direction, the geomembrane slides to second slider 22 from first slider 12, at this moment, first spraying surface still is located second spraying surface top, second slider 22 plays the effect that turns to, the geomembrane rotates along second slider 22, so that second spraying surface is located first spraying surface top, the second spraying component carries out the spraying to the second spraying surface and adds rough, realize the online double-deck spraying of geomembrane and add rough.

Preferably, the second support assembly 2 further comprises a third sliding member 23, the distance from the second sliding member 22 to the second spraying assembly is greater than the distance from the third sliding member 23 to the second spraying assembly, after the geomembrane is turned by the second sliding member 22, the geomembrane slides along the third sliding member 23 through the first spraying surface, and the third sliding member 23 supports the geomembrane, so that the spraying uniformity of the geomembrane is improved when the second spraying assembly sprays and roughens the second spraying surface.

Wherein the first slider 12, the second slider 22 and the third slider 23 are all selected as roller bodies.

The device further comprises a power device, and when the power device drives the geomembrane to move from the first sliding part 12 to the second sliding part 22, the first spraying component sprays the first spraying surface; when the power device drives the geomembrane to move from the second sliding part 22 toward the third sliding part 23, the second spraying component sprays the second spraying surface, and the power device can be selected as a motor and the like.

Preferably, the third slide 23 is located below the second slide 22; because the geomembrane turns to through second slider 22, therefore the height of geomembrane when getting into second slider 22 is higher than the height of geomembrane when keeping away from second slider 22, and the third roll position is in second slider 22 lower part, and the geomembrane can slide in third roll position upper portion along the horizontal direction, and the spraying effect is better.

The first support assembly 1 further comprises a clamping piece 13 positioned at the upper part of the first sliding piece 12, the clamping piece 13 is fixed with a wall body and the like, and the geomembrane slides along the space between the first sliding piece 12 and the clamping piece 13; when the geomembrane is sprayed, the surface smoothness needs to be ensured, the spraying field is more uniform, the clamping piece 13 positioned on the upper part of the first sliding piece 12 is used, when the geomembrane slides along the first sliding piece 12, the clamping piece 13 and the first sliding piece 12 can clamp the geomembrane positioned between the clamping piece 13 and the first sliding piece 12, the first sliding piece 12 is used as a transfer, when the geomembrane moves to the second sliding piece 22 from the first sliding piece 12, the first sliding piece 12 and the clamping piece 13 can also play a clamping role, and the surface of the geomembrane is prevented from being warped.

Preferably, the gripping member 13 is a roller; the rollers and the first sliding member 12 can both rotate, ensuring that the geomembrane does not receive great resistance when moving.

The line between the first sliding part 12 and the second sliding part 22 forms a deviation included angle with the vertical direction, the deviation included angle is alpha, and alpha is more than 50 degrees and less than 70 degrees.

The spraying unit comprises a plurality of spray heads, each spray head is used for roughening the geomembrane spraying, and the feeding unit is communicated with each spray head and used for conveying materials to the spray heads; the spraying unit comprises a first spraying assembly and a second spraying assembly, namely the first spraying assembly comprises a plurality of first spray heads 3, the second spraying assembly comprises a plurality of second spray heads 4, the plurality of spray heads work simultaneously when the spraying unit sprays, the spraying area is wide, the geomembrane can complete the spraying of the whole spraying surface after being sprayed once, and the production efficiency is improved.

The spraying unit also comprises a driving part 5, and the driving part 5 drives the plurality of spray heads to swing in a reciprocating manner; the spraying unit includes first spraying subassembly and second spraying subassembly, first spraying subassembly and second spraying subassembly all are provided with driving piece 5 promptly, through making shower nozzle reciprocating motion, the spraying scope of shower nozzle has not only been enlarged, the full coverage spraying on geomembrane surface has been realized, and through making the shower nozzle remove, make the shower nozzle become the face spraying by some shower nozzle on the geomembrane surface, when avoiding appearing some spraying, the spraying of part region is too much, and the condition of residual area does not have the spraying, the more even of geomembrane surface spraying, the holistic frictional property of geomembrane has been improved.

The driving member 5 includes a rotating member 51 and a connecting member, the connecting member includes a first connecting rod 52 connecting adjacent nozzles and a second connecting rod 53 connecting the rotating member 51 and any one of the first connecting rods 52, and the rotating member 51 rotates to drive the second connecting rod 53 to reciprocate in a horizontal direction.

The second connecting rod 53 is eccentrically connected with the rotating member 51; the rotating member 51 is a circular wheel, the eccentric connection is that the connection point of the second connecting rod 53 and the rotating member 51 is not at the rotation point of the rotating member 51, the rotating member 51 drives the second connecting rod 53 to move when rotating, and the second connecting rod 53 is connected with the nozzles on one side through the first connecting rod 52 to drive the plurality of nozzles to complete the synchronous movement.

Preferably, the several shower nozzles are along horizontal direction equidistance distribution, control a plurality of shower nozzles more easily, avoid the distance between the shower nozzle not to differ and the condition that the spraying can not arrive appears.

The spray head comprises a feeding cavity and an accelerating piece, wherein the feeding cavity is communicated with the feeding unit, and the accelerating piece heats materials in the feeding cavity and accelerates the materials to be sprayed out; the heating of acceleration piece is so that the feeding intracavity produces the heating gas, the material of heating gas and feeding intracavity fully contacts, make the material become the molten state, and the acceleration piece drives the heating gas along accelerating the chamber accelerated motion, because the material is located the feeding intracavity simultaneously, and the material becomes the molten state, and the mobility is good, the heating gas drives the same accelerated motion of material and blowout, because the material contacts with the heating gas all the time at the flow in-process, make the material be in the molten state all the time, more easily adhere to the geomembrane surface, and the material is in high-speed state all the time at the removal in-process, the material takes place the sputtering after arriving the geomembrane surface like this, form the less punctiform granule of formation volume, it is wider to make geomembrane surface cover area, the roughness on geomembrane.

The spray head is provided with a spray port communicated with the outside, and the inner diameter of the spray port is 0.6-0.8 mm; the inner diameter of the jetting port is smaller, similarly, the volume of the material is smaller when the material is jetted out of the jetting port, the material is sprayed to the surface of the geomembrane along with the heated gas, therefore, the material is not easy to fall off after being attached to the surface of the geomembrane, the coverage area is wider, the roughness of the surface of the geomembrane is improved, and preferably, the inner diameter of the jetting port is 0.7 mm.

The feeding unit comprises a feeding piece 6, a conveying piece 7, a detecting piece and a control piece 8, the feeding piece 6 conveys materials to the spraying unit, and the feeding piece 6 has a low material level state and a full material level state; the material conveying part 7 conveys materials to the material conveying part 6; the detection piece comprises a first detection piece for detecting a low material level state and a second detection piece for detecting a full material level state; the first detection piece triggers the control piece 8 to enable the feeding piece 6 to be communicated with the conveying piece 7, and the second detection piece triggers the control piece 8 to enable the feeding piece 6 to be closed with the conveying piece 7; in order to ensure that the integral spraying of the geomembrane is more uniform, a plurality of spray heads are adopted for spraying, each feeding member 6 corresponds to one spray head, materials in the feeding members 6 are transmitted to the corresponding spray heads through a screw extruder to finish the spraying of the geomembrane, a feeding unit detects the material storage condition of each feeding member 6 through a detection member without repeatedly observing the condition of the feeding members 6 by a user, when the first detection member detects that the feeding members 6 are in a low material level state, the first detection member triggers the control member 8, the feeding members 6 are communicated with the material conveying member 7, the material conveying member 7 conveys the materials into the feeding members 6, the feeding members 6 are switched from the low material level state to a full material level state, when the second detection member detects that the feeding members 6 are in the full material level state, the second detection member triggers the control member 8, the material conveying member 7 stops conveying the materials into the feeding members 6, the labor intensity of the user is reduced, and the phenomenon that the materials in the feeding members 6 are lack of empty spraying is avoided, meanwhile, waste caused by excessive feeding can be avoided.

The material conveying part 7 comprises a material storage pipe 71 and a material conveying pipe 72, the material storage pipe 71 is communicated with the material conveying part 6 through the material conveying pipe 72, the material storage pipe 71 comprises a material blowing part arranged on the side part, and the material blowing part can blow the material entering the material storage pipe 71 so as to uniformly distribute the material in the material storage pipe 71; when reinforced in to storage pipe 71, the material can be full of whole storage pipe 71 because gravity and the mobility of self, blows the material spare through setting up at the lateral part, blows the material spare and can accelerate the flow velocity of material in storage pipe 71, makes the material evenly distributed in storage pipe 71, can understand, because storage pipe 71 need feed in raw material, therefore storage pipe 71 has the feed inlet, and storage pipe 71 sets up in feed inlet one side.

The first detection piece is a first sensor arranged on the feeding piece 6, and the second detection piece is a second sensor arranged on the feeding piece 6; the control element 8 comprises a control box 81 and a control valve 82 arranged on the conveying pipeline 72, and a PLC controller is arranged in the control box 81; first detection piece sets up in feeding 6 below, the second detects the piece and sets up in feeding 6 tops, after the material in feeding 6 descends the position of first detection piece, first detection piece transmits the signal to the PLC controller, PLC controller control valve 82 opens, begin to the material loading in feeding 6, after the position of the second detection piece that the material in feeding 6 rose, the second detection piece transmits the signal to the PLC controller, PLC controller control valve 82 closes, the material loading of suspending.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.