CN107601055B

CN107601055B - Feeding system with multi-point discharge valve

Info

Publication number: CN107601055B
Application number: CN201710763272.0A
Authority: CN
Inventors: 许纯权
Original assignee: Dongguang Hui Ru Lai Power Technology Co ltd
Current assignee: Dongguang Hui Ru Lai Power Technology Co ltd
Priority date: 2017-08-30
Filing date: 2017-08-30
Publication date: 2023-04-28
Anticipated expiration: 2037-08-30
Also published as: CN107601055A

Abstract

The invention relates to the technical field of material conveying, and particularly discloses a feeding system with a multi-point discharge valve, which comprises a mixing box and a discharge valve communicated with the mixing box, wherein the discharge valve comprises a valve body, the valve body is provided with a feed hole and a discharge hole, and the discharge hole is communicated with the feed hole to form a communication port; the valve body is provided with a first cylinder, and a piston rod of the first cylinder is connected with a valve core for opening and closing the communication port; when the material mixing box is in actual use, materials such as external granules or powder are communicated with the feeding hole, and when the materials need to be conveyed into the material mixing box, the piston rod of the first cylinder is retracted together with the valve core, so that the valve core opens the communication port, the material mixing box is pumped, the discharging hole communicated with the material mixing box generates suction, and the external materials are sucked into the material mixing box; the discharge valve disclosed by the invention is simple in structure and convenient to assemble, disassemble and maintain, the manufacturing cost and the use cost of the discharge valve are greatly reduced, the conveying efficiency of materials is improved, and the conveying cost of the materials is reduced.

Description

Feeding system with multi-point discharge valve

Technical Field

The invention relates to the technical field of material conveying, and particularly discloses a feeding system with a multi-point discharge valve.

Background

In the manufacturing process of powder products or granular products, the same product is often formed by mixing a plurality of different materials, during actual production, the different materials are often required to be manufactured and molded independently, then the various materials manufactured and molded independently are mixed together, at the moment, the various materials are required to be conveyed to the same position by utilizing a conveying pipeline, when the materials are conveyed by utilizing the pipeline, a material valve for opening or closing the pipeline is required to be arranged on the pipeline, the structure of the material valve in the prior art is complex, the installation or the disassembly is time-consuming and labor-consuming, the use is extremely inconvenient, the conveying cost of the materials is excessively high, and the improvement of the conveying efficiency of the materials is simultaneously unfavorable.

Disclosure of Invention

In order to overcome the defects and the shortcomings in the prior art, the invention aims to provide a feeding system with a multi-point discharge valve, so that the conveying efficiency of materials is improved, and meanwhile, the conveying cost of the materials is reduced.

In order to achieve the above purpose, the feeding system with the multipoint discharge valve comprises a mixing box and the discharge valve communicated with the mixing box, wherein the discharge valve comprises a valve body, the valve body is provided with a feeding hole and a discharge hole communicated with the feeding hole, the feeding hole penetrates through the valve body, one end of the discharge hole is communicated with the feeding hole to form a communication port, the other end of the discharge hole penetrates through the valve body, and the discharge hole is communicated with the mixing box; the valve body is provided with a first air cylinder, the first air cylinder is positioned at the outer side of the valve body, a piston rod of the first air cylinder protrudes into the valve body, and the piston rod of the first air cylinder is connected with a valve core which is used for opening or closing the communication port.

Preferably, the communication port is circular, the valve core is conical, the valve core is provided with a first end and a second end, the cross section radius of the valve core is gradually reduced along the direction from the first end to the second end, the cross section radius of the first end is larger than that of the communication port, the cross section radius of the second end is smaller than that of the communication port, the first end is accommodated in the feeding hole, and the second end is used for protruding into the discharging hole.

Preferably, the valve body is provided with an air hole communicated with the feeding hole, the valve body is provided with an electromagnetic valve for opening or closing the air hole, and the electromagnetic valve is positioned at the outer side of the valve body.

Preferably, the mixing box is provided with a filter cartridge, the mixing box is provided with a mixing cavity communicated with the discharge hole, the filter cartridge comprises a barrel arranged in the mixing box and a filter element arranged in the barrel, the filter element is provided with a feeding cavity and a filter hole communicated with the feeding cavity and the mixing cavity, and the feeding cavity is used for communicating external materials.

Preferably, the filter cartridge further comprises a fixing plate arranged in the cartridge body, a cartridge cover arranged at the upper end of the cartridge body and used for covering the fixing plate, the number of the filter elements is multiple, the filter elements are all arranged on the fixing plate, and the feeding cavities of the filter elements are communicated with the outside through gaps between the fixing plate and the cartridge cover.

Preferably, the mixing box is also provided with a gate valve, the upper end of the mixing cavity is respectively communicated with the filter element and the discharge hole, and the lower end of the mixing cavity is communicated with the outside through the gate valve; the push-pull valve comprises a plate body arranged in the mixing box, a valve plate connected to the plate body in a sliding manner, and a second cylinder arranged on the plate body, wherein a piston rod of the second cylinder is connected with the valve plate, the plate body is provided with a discharge hole penetrating through the plate body, the discharge hole is communicated with the mixing cavity, and the valve plate is used for opening or closing the discharge hole.

Preferably, the plate body comprises a main plate and a cover plate arranged on the main plate, the main plate is provided with a chute, the cover plate covers the chute, the valve plate is slidably connected in the chute, and the discharging hole penetrates through the main plate and the cover plate.

Preferably, the number of the second air cylinders is two, the two second air cylinders are respectively positioned at two ends of the plate body, the cross section of the discharge hole is circular, valve plates connected with the two second air cylinders are mutually abutted, the valve plates connected with the two second air cylinders are exposed in the discharge hole, and the areas of the valve plates connected with the two second air cylinders exposed in the discharge hole are unequal; the gate valve further comprises a first sealing ring and a second sealing ring, wherein the first sealing ring is used for sealing a gap between the valve plate of one second cylinder and the plate body, and the second sealing ring is used for sealing a gap between the valve plate of the other second cylinder and the plate body.

Preferably, two sides of the valve plates connected with the second cylinders, which are close to each other, are respectively provided with a material-letting inclined plane, and the material-letting inclined planes of the valve plates connected with the two second cylinders form a V-shaped groove communicated with the material mixing cavity.

Preferably, the number of the discharge valves is a plurality, the number of the mixing boxes is a plurality, the feeding holes of different discharge valves are communicated with each other, and the discharging holes of different discharge valves are respectively communicated with different mixing boxes.

The invention has the beneficial effects that: when the material mixing box is in actual use, materials such as external granules or powder are communicated with the feeding hole, and when the materials need to be conveyed into the material mixing box, the piston rod of the first cylinder is retracted together with the valve core, so that the valve core opens the communication port, the material mixing box is pumped, the discharging hole communicated with the material mixing box generates suction, and the external materials are sucked into the material mixing box; the discharge valve disclosed by the invention is simple in structure and convenient to assemble, disassemble and maintain, the manufacturing cost and the use cost of the discharge valve are greatly reduced, the conveying efficiency of materials is improved, and the conveying cost of the materials is reduced.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of a discharge valve according to the present invention;

FIG. 3 is an exploded view of the discharge valve of the present invention;

FIG. 4 is a schematic perspective view of a valve body according to the present invention;

FIG. 5 is an exploded view of the filter cartridge of the present invention;

FIG. 6 is a schematic view of an exploded construction of a gate valve of the present invention;

FIG. 7 is an exploded view of the connector assembly of the present invention;

fig. 8 is a schematic perspective view of a second embodiment of a discharge valve according to the present invention.

The reference numerals include:

1-mixing box 2-discharge valve 3-valve body

4-feeding hole 5-discharging hole 6-communicating port

7-first cylinder 8-valve core 9-air hole

11-electromagnetic valve 12-filter cartridge 13-cylinder

14-filter element 15-fixing plate 16-cylinder cover

17-gate valve 18-plate 19-valve plate

191-reservoir 192-first seal 193-second seal

21-second cylinder 22-main plate 23-cover plate

24-chute 25-let material inclined plane 26-joint assembly

27-first tube head 28-second tube head 29-collar

31-first bead 32-second bead 33-first half-bead

34-second half circle 35-accommodating arc groove 36-stud

37-nut member.

Detailed Description

The present invention will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.

Example 1

Referring to fig. 1 to 4, a feeding system with a multi-point discharge valve of the present invention includes a mixing box 1 and a discharge valve 2 communicated with the mixing box 1, wherein the mixing box 1 is of a hollow structure, the discharge valve 2 includes a valve body 3, the valve body 3 is of a hollow structure, the valve body 3 is provided with a feeding hole 4 and a discharge hole 5 communicated with the feeding hole 4, the feeding hole 4 penetrates through the valve body 3, one end of the discharge hole 5 is communicated with the feeding hole 4 to form a communication port 6, the other end of the discharge hole 5 penetrates through the valve body 3, and the discharge hole 5 is communicated with the mixing box 1; the valve body 3 is provided with a first air cylinder 7, the first air cylinder 7 is positioned at the outer side of the valve body 3, a piston rod of the first air cylinder 7 protrudes into the valve body 3, the piston rod of the first air cylinder 7 is connected with a valve core 8, preferably, the valve core 8 is arranged at the free end of the piston rod of the first air cylinder 7, and in the use process of the discharging valve 2, the back and forth movement of the valve core 8 is realized through the expansion and contraction of the piston rod of the first air cylinder 7, so that the opening or closing of the communication port 6 by the valve core 8 is realized.

When the mixing box is actually used, materials such as external granules or powder are communicated with the feeding hole 4, of course, according to actual needs, both ends of the feeding hole 4 can be communicated with the materials, and also both ends of the feeding hole 4 can be communicated with different materials, when the materials need to be input into the mixing box 1, a piston rod of the first cylinder 7 is retracted together with the valve core 8, so that the valve core 8 opens the communication port 6 to suck air into the mixing box 1, suction is generated in the discharging hole 5 communicated with the mixing box 1, and then the external materials are sucked into the discharging hole 5 through the feeding hole 4, the materials entering the discharging hole 5 are sucked into the mixing box 1, and various materials entering the mixing box 1 are mixed in the mixing box 1; the discharge valve 2 of the feeding system has a simple structure, is convenient to assemble, disassemble and maintain, greatly reduces the manufacturing cost and the use cost of the discharge valve 2, improves the conveying efficiency of materials, and reduces the conveying cost of the materials.

In this embodiment, the communication port 6 is circular, the valve core 8 is conical, the valve core 8 is provided with a first end and a second end, the cross-sectional radius of the valve core 8 gradually decreases along the direction from the first end to the second end, the cross-sectional radius of the first end is larger than the cross-sectional radius of the communication port 6, the cross-sectional radius of the second end is smaller than the cross-sectional radius of the communication port 6, the first end is accommodated in the feeding hole 4, and the second end is used for protruding into the discharging hole 5.

When the communication port 6 is required to be closed in the use process of the discharge valve 2, a piston rod of the first cylinder 7 stretches out to drive the valve core 8 to move, so that the second end of the valve core 8 stretches into the discharge hole 5 until the valve core 8 seals the communication port 6, and further the communication port 6 of the discharge valve 2 is closed; preferably, the valve core 8 is made of soft materials, such as silica gel, and gaps are prevented between the valve core 8 and the side wall of the discharge hole 5 by utilizing the soft characteristic of the silica gel, so that the valve core 8 fully seals the discharge hole 5, and the closing effect of the discharge valve 2 is improved.

In this embodiment, the radius of the cross section of the first end of the valve core 8 is larger than the radius of the cross section of the communication port 6, and compared with the radius of the cross section of the first end of the valve core 8 being equal to the radius of the cross section of the communication port 6, when the valve core 8 is driven by the first cylinder 7 to close the communication port 6, abrasion can be generated due to long-time use of the valve core 8, so that the situation that the valve core 8 cannot fully close the communication port 6 due to abrasion is effectively avoided.

The valve body 3 is provided with an air hole 9 communicated with the feeding hole 4, the valve body 3 is provided with a solenoid valve 11 for opening or closing the air hole 9, and the solenoid valve 11 is positioned outside the valve body 3. In this embodiment, the valve body 3 is provided with an air pipe accommodated in the air hole 9, and one end of the air pipe protruding out of the valve body 3 protrudes into the electromagnetic valve 11, and when in actual use, the electromagnetic valve 11 is used for opening or closing the communication between the air pipe and the outside air. In the use process of the discharge valve 2, when the material is conveyed by the mixing box 1 communicated with the discharge hole 5 in an air suction mode, negative pressure is generated in the feed hole 4, then the material is sucked into the mixing box 1 through the discharge hole 5, if the suction force generated by the negative pressure is large, the electromagnetic valve 11 is regulated and controlled to open the air hole 9, the suction force of the negative pressure on the material is reduced by utilizing the air inlet of the air hole 9, and the phenomenon that the material is pulled due to overlarge suction is prevented. In addition, after the external material and the valve body 3 are closed, the electromagnetic valve 11 opens the air hole 9, and the residual material in the valve body 3 is ensured to be sucked into the mixing box 1 by using the external air inlet.

The central axis of the feeding hole 4 and the central axis of the discharging hole 5 are both straight lines, and compared with the curved feeding hole 4 or the curved discharging hole 5, the frequency of collision of the material on the inner wall of the valve body 3 when the material flows in the feeding hole 4 or the discharging hole 5 is reduced, so that the material is prevented from being damaged; meanwhile, by utilizing the principle of the shortest line segment between the two points, under the condition of a certain material flow rate, the material can be ensured to rapidly flow through the feeding hole 4 or the discharging hole 5, and the residence time of the material in the valve body 3 is shortened.

The central axis of the feeding hole 4 is perpendicular to the central axis of the discharging hole 5; during actual use, different materials can be respectively input at the two ends of the feeding hole 4, so that different materials can be primarily mixed when entering the discharging hole 5, and the yield of material mixing is improved in an auxiliary manner.

The feeding hole 4 is symmetrically arranged about the central axis of the discharging hole 5, when materials enter the valve body 3 through the two ends of the feeding hole 4, the materials entering through the two ends of the feeding hole 4 are ensured to flow into the discharging hole 5 as simultaneously as possible, the valve body 3 is prevented from shaking due to uneven stress of the valve body 3 on the two sides of the central axis of the discharging hole 5, the stability of the discharging valve 2 in the using process is ensured, the service life of the discharging valve 2 is prolonged, and the service life of the feeding system is further prolonged.

The central axis of feed port 4 and the central axis of discharge port 5 cross arrangement, the central axis of feed port 4 and the central axis coplane setting of discharge port 5, compare in the central axis of feed port 4 and the central axis of discharge port 5 are located different planes, in the manufacturing process of feed port 4 and discharge port 5 for feed port 4 and discharge port 5 can be through same location benchmark location, promote the machining efficiency of feed port 4 and discharge port 5, supplementary processing manufacturing cost that reduces valve body 3.

Referring to fig. 1 to 5, the mixing box 1 is provided with a filter cartridge 12, the mixing box 1 is provided with a mixing cavity communicated with the discharge hole 5, the filter cartridge 12 comprises a cylinder 13 arranged at the outer side of the mixing box 1 and a filter element 14 arranged in the cylinder 13, the filter element 14 is provided with a feeding cavity and a filter hole communicated with the feeding cavity and the mixing cavity, and the feeding cavity is used for communicating with external materials. When in actual use, the external materials are communicated with the feeding cavity of the filter cylinder 12, then the mixing cavity of the mixing box 1 is pumped, the external materials enter the mixing cavity through the feeding cavity and the filter holes, and the materials entering the mixing cavity through the filter cylinder 12 are fully mixed with the materials entering the mixing cavity through the valve body 3; the filter element 14 is utilized to filter out particles with larger size in the materials, so that the mixing yield of the materials is improved.

The filter cartridge 12 further comprises a fixing plate 15 arranged in the cylinder 13, and a cylinder cover 16 arranged at the upper end of the cylinder 13 and used for covering the fixing plate 15, the fixing plate 15 is a round flat plate, the number of the filter elements 14 is multiple, the filter elements 14 are arranged at the lower end of the fixing plate 15, and the feeding cavities of the filter elements 14 are communicated with the outside through gaps between the fixing plate 15 and the cylinder cover 16. The plurality of filter elements 14 are utilized to filter the outside materials simultaneously, so that the efficiency of entering the mixing cavity through the filter cartridge 12 is improved; in addition, when one cartridge 14 is plugged, the other cartridges 14 may be operated normally and the plugged cartridge 14 may be serviced when the feed system of the present invention is shut down.

Referring to fig. 1 to 6, the mixing box 1 is further provided with a gate valve 17, the upper end of the mixing cavity is respectively communicated with the filter element 14 and the discharge hole 5, and the lower end of the mixing cavity is communicated with the outside through the gate valve 17; the gate valve 17 comprises a plate body 18 arranged at the lower end of the mixing box 1, a valve plate 19 connected to the plate body 18 in a sliding manner, and a second air cylinder 21 arranged on the plate body 18, wherein a piston rod of the second air cylinder 21 is connected with the valve plate 19, a discharging hole penetrating through the plate body 18 is formed in the plate body 18, the discharging hole is communicated with the mixing cavity, and the second air cylinder 21 is used for driving the valve plate 19 to open or close the discharging hole.

After the materials in the mixing cavity are mixed, the valve plate 19 is driven by the second air cylinder 21 to retract, the discharging hole is opened to enable the mixing cavity to be communicated with the discharging hole, then the mixing cavity is inflated, and the mixed materials in the mixing cavity are discharged to a preset position through the discharging hole. In the embodiment, the lower end of the mixing cavity is conical, and the radius of the cross section of the lower end of the mixing cavity is gradually reduced along the direction from top to bottom; when the materials in the mixing cavity need to be discharged, the discharging efficiency of the materials is assisted and improved by the aid of the gravity action of the materials.

The plate body 18 comprises a main plate 22 and a cover plate 23 arranged on the main plate 22, the main plate 22 is provided with a chute 24, the chute 24 is concavely arranged on the outer surface of the main plate 22, the valve plate 19 is slidably connected in the chute 24, the cover plate 23 covers the chute 24 to prevent the valve plate 19 from falling from the chute 24, and a discharging hole penetrates through the main plate 22 and the cover plate 23 along the up-down direction. The plate body 18 is split into the main plate 22 and the cover plate 23, so that the chute 24 is convenient to process and manufacture, the processing cost of the gate valve 17 is reduced in an auxiliary manner, and the production efficiency of the gate valve 17 is improved.

The number of the second air cylinders 21 is two, the two second air cylinders 21 are respectively positioned at the left end and the right end of the plate body 18, the cross section of the discharge hole is circular, one ends, close to each other, of the valve plates 19 connected with the two second air cylinders 21 are used for mutual butt, the valve plates 19 connected with the two second air cylinders 21 are exposed in the discharge hole, and the areas, exposed in the discharge hole, of the valve plates 19 connected with the two second air cylinders 21 are unequal. In this embodiment, the valve plate 19 connected to one second cylinder 21 covers three-fourths of the discharge opening area, and the valve plate 19 connected to the other second cylinder 21 covers one-fourth of the discharge opening area. In actual use, the opening of the discharge hole can be selectively adjusted by a user according to different needs, for example, when the materials in the mixing cavity are required to flow out at a low flow rate, only the valve plate 19 covering one quarter area of the discharge hole is opened.

In this embodiment, the gate valve 17 further includes a first sealing ring 192 and a second sealing ring 193, the first sealing ring 192 is used for sealing a gap between the valve plate 19 of one second cylinder 21 and the plate 18, and the second sealing ring 193 is used for sealing a gap between the valve plate 19 of the other second cylinder 21 and the plate 18; in the use process of the gate valve 17, the gap between the valve plate 19 and the plate body 18 is sealed by the sealing ring, so that powder or granules flowing through the discharge hole are prevented from leaking out through the gap between the valve plate 19 and the plate body 18, and the usability of the gate valve 17 is improved. In this embodiment, two spaced containing grooves 191 are disposed on the plate 18, the containing grooves 191 are respectively recessed from one side of the main plate 22 and the cover plate 23, which is close to each other, one containing groove 191 is used for a first sealing ring 192 of Rong She, the other containing groove 191 is used for a second sealing ring 193 of Rong She, the containing groove 191 does not penetrate the main plate 22 or the cover plate 23, i.e. the containing groove 191 is a blind groove, the sealing ring is approximately annular, the sealing ring is contained in the containing groove 191, and the inner annular surface of the sealing ring is used for abutting against the outer surface of the valve plate, thereby realizing the sealing of the gap between the valve plate and the plate 1. Preferably, the seal ring is made of soft material, such as silica gel.

Two the valve block 19 that the second cylinder 21 is connected all are provided with and let material inclined plane 25 in one side that is close to each other, when the valve block 19 of two second cylinders 21 butt each other together, let material inclined plane 25 of valve block 19 that two second cylinders 21 are connected form the V groove with the compounding chamber intercommunication, let material inclined plane 25 through setting up, reduce the area of contact when the valve block 19 of two second cylinders 21 are connected each other butt greatly, clamp the injury material when avoiding the valve block 19 of two second cylinders 21 to be connected each other butt.

The quantity of discharge valves 2 is a plurality of, and the quantity of mixing box 1 is a plurality of, and the feed port 4 of different discharge valves 2 communicates each other, and the feed port 5 of different discharge valves 2 communicates with different mixing box 1 respectively, and during the in-service use, the feed port 4 of different discharge valves 2 communicates via external pipeline, and the feed port 5 of different discharge valves 2 communicates with the compounding chamber of different mixing box 1 via external pipeline respectively, and of course, the cartridge filter 12 of different mixing box 1 can communicate with external material via same pipeline.

Referring to fig. 1 to 7, the discharge valve 2 further includes a connector assembly 26, the connector assembly 26 includes a first tube head 27, a second tube head 28 communicating with the first tube head 27, and a collar 29 connecting the first tube head 27 and the second tube head 28, the first tube head 27 includes a first tube body installed in the feed hole 4 or installed in the discharge hole 5, a first collar 31 protruding from an outer surface of the first tube body and used for abutting against the valve body 3, the second tube head 28 includes a second tube body connected with an external pipeline, a second collar 32 protruding from an outer surface of the second tube body and used for abutting against the external pipeline, the collar 29 is substantially annular, and the collar 29 is sleeved outside the first collar 31 and the second collar 32. Through disposing the joint component 26 on the valve body 3, it is ensured that the external pipeline can be conveniently connected with the valve body 3, and in the process of installing the discharge valve 2, the joint component 26 is installed on the valve body 3, so that the time for searching the joint component 26 is avoided, the assembly efficiency of the discharge valve 2 is improved, and the assembly efficiency of a feeding system is further improved.

The first convex ring 31 is attached to the second convex ring 32, the collar 29 comprises a first half ring 33 and a second half ring 34 connected with the first half ring 33, the first half ring 33 and the second half ring 34 are both approximately semi-annular, the first half ring 33 and the second half ring 34 are both provided with accommodating arc grooves 35, the accommodating arc grooves 35 are concavely formed from the inner arc surfaces of the convex rings, one side of the first convex ring 31 and one side of the second convex ring 32 are both accommodated in the accommodating arc grooves 35 of the first half ring 33, the other side of the second convex ring 32 and the other side of the second convex ring 32 are both accommodated in the accommodating arc grooves 35 of the second half ring 34, and the side walls on two sides of the accommodating arc grooves 35 are utilized to block the first convex ring 31 and the second convex ring 32 so as to prevent the first tube head 27 and the second tube head 28 from falling off from the collar 29.

During actual assembly, the first pipe body of the first pipe head 27 is firstly put into the feeding hole 4 or the discharging hole 5 until the first convex ring 31 of the first pipe head 27 is abutted against the outer surface of the valve body 3, the second pipe body of the second pipe head 28 is put into an external pipeline until the second convex ring 32 of the second pipe head 28 is abutted against the end surface of the external pipeline, then the first convex ring 31 and the second convex ring 32 are abutted together, then one side of the first convex ring 31 and one side of the second convex ring 32 are clamped by the first half ring 33, the other side of the second convex ring 32 and the other side of the second convex ring 32 are clamped by the second half ring 34, and finally the first half ring 33 and the second half ring 34 are assembled and connected together.

One end of the first half circle 33 is rotatably connected with one end of the second half circle 34, the other end of the first half circle 33 is rotatably connected with a stud 36, in this embodiment, one end of the first half circle 33 is pivoted with one end of the second half circle 34 through a pivot, the stud 36 is pivoted on the other end of the first half circle 33 through the pivot, the other end of the second half circle 34 is provided with a clamping groove for accommodating the stud 36, the clamping groove is concavely formed from the end surface of the other end of the second half circle 34, and in actual use, the stud 36 is rotated to facilitate the stud 36 to enter the clamping groove; the outer side of the stud 36 is screwed with a nut member 37 for pressing against the second half turn 34; in actual assembly, after the first half ring 33 and the second half ring 34 are clamped with the first convex ring 31 and the second convex ring 32, the stud 36 is rotated to enable the stud 36 to enter the clamping groove, then the nut member 37 is screwed to the outer side of the stud 36, the nut member 37 is rotated until the nut member 37 is pressed against the outer surface of the second half ring 34, and then the first half ring 33 and the second half ring 34 are fixed together.

Example two

Referring to fig. 8, in this embodiment, the valve body 3 is hollow and spherical, and compared with a rectangular valve body 3, the inner side wall of the spherical valve body 3 is a smoothly transitional sphere, so that when the material flows through the interior of the valve body 3, the material contacts the spherical inner surface of the valve body 3, thereby ensuring that the material flows smoothly and improving the service performance of the valve body 3.

The rest of the present embodiment is the same as the first embodiment, and the unexplained features in the present embodiment are all explained by the first embodiment, and are not described here again.

The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.

Claims

1. The feeding system with the multipoint discharge valve comprises a mixing box and the discharge valve communicated with the mixing box, wherein the discharge valve comprises a valve body, the valve body is provided with a feeding hole and a discharging hole communicated with the feeding hole, the feeding hole penetrates through the valve body, one end of the discharging hole is communicated with the feeding hole to form a communication port, the other end of the discharging hole penetrates through the valve body, and the discharging hole is communicated with the mixing box; the method is characterized in that: the valve body is provided with a first air cylinder, the first air cylinder is positioned at the outer side of the valve body, a piston rod of the first air cylinder protrudes into the valve body, and the piston rod of the first air cylinder is connected with a valve core which is used for opening or closing the communication port; the filter cartridge is provided with a feeding cavity and a filter hole communicated with the feeding cavity, and the feeding cavity is used for communicating external materials; the number of the discharge valves is multiple, the number of the mixing boxes is multiple, the feeding holes of different discharge valves are communicated with each other, and the discharging holes of different discharge valves are respectively communicated with different mixing boxes.

2. A feed system with a multi-point discharge valve as set forth in claim 1 wherein: the communication port is circular, the case is conical, and the case is equipped with first end and second end, along the direction of first end to second end, and the cross section radius of case reduces gradually, and the cross section radius of first end is greater than the cross section radius of communication port, and the cross section radius of second end is less than the cross section radius of communication port, and in the feed port was located to first end holding, the second end was used for stretching into the discharge port.

3. A feed system with a multi-point discharge valve as set forth in claim 1 wherein: the valve body is provided with an air hole communicated with the feeding hole, the valve body is provided with an electromagnetic valve for opening or closing the air hole, and the electromagnetic valve is positioned at the outer side of the valve body.

4. A feed system with a multi-point discharge valve as set forth in claim 1 wherein: the cartridge filter is characterized by further comprising a fixing plate arranged in the cylinder body, a cylinder cover arranged at the upper end of the cylinder body and used for covering the fixing plate, a plurality of filter elements are arranged, the filter elements are arranged on the fixing plate, and feeding cavities of the filter elements are communicated with the outside through gaps between the fixing plate and the cylinder cover.

5. A feed system with a multi-point discharge valve as set forth in claim 1 wherein: the mixing box is also provided with a gate valve, the upper end of the mixing cavity is respectively communicated with the filter element and the discharge hole, and the lower end of the mixing cavity is communicated with the outside through the gate valve; the push-pull valve comprises a plate body arranged in the mixing box, a valve plate connected to the plate body in a sliding manner, and a second cylinder arranged on the plate body, wherein a piston rod of the second cylinder is connected with the valve plate, the plate body is provided with a discharge hole penetrating through the plate body, the discharge hole is communicated with the mixing cavity, and the valve plate is used for opening or closing the discharge hole.

6. A feed system with a multi-point discharge valve as set forth in claim 5 wherein: the plate body includes the mainboard and installs in the apron of mainboard, and the mainboard is equipped with the spout, and the apron covers the spout, and valve block sliding connection is in the spout, and the discharge opening runs through mainboard and apron.

7. A feed system with a multi-point discharge valve as set forth in claim 5 wherein: the two second cylinders are respectively positioned at two ends of the plate body, the cross section of the discharge hole is circular, valve plates connected with the two second cylinders are mutually abutted, the valve plates connected with the two second cylinders are exposed in the discharge hole, and the areas of the valve plates connected with the two second cylinders exposed in the discharge hole are unequal; the gate valve further comprises a first sealing ring and a second sealing ring, wherein the first sealing ring is used for sealing a gap between the valve plate of one second cylinder and the plate body, and the second sealing ring is used for sealing a gap between the valve plate of the other second cylinder and the plate body.

8. A feed system with a multi-point discharge valve as set forth in claim 7 wherein: two the valve block that the second cylinder is connected all is equipped with lets material inclined plane in one side that is close to each other, and the material inclined plane that lets of the valve block that the second cylinder is connected forms the V groove with the compounding chamber intercommunication.