CN217857366U

CN217857366U - Multistage screening system

Info

Publication number: CN217857366U
Application number: CN202222344568.8U
Authority: CN
Inventors: 冯文正
Original assignee: Penno Huili Electronic Materials Xiamen Co ltd
Current assignee: Penno Huili Electronic Materials Xiamen Co ltd
Priority date: 2022-09-03
Filing date: 2022-09-03
Publication date: 2022-11-22
Anticipated expiration: 2032-09-03

Abstract

The application relates to a multistage screening system, including first cyclone, second cyclone, first conveying pipe and second conveying pipe, first cyclone is provided with first inlet pipe and first discharging pipe, second cyclone is provided with second inlet pipe and second discharging pipe, the one end of first conveying pipe communicates in the discharge end of grinding the machine, the other end of first conveying pipe communicates in first discharging pipe, first discharging pipe and second feeding pipe pass through second conveying pipe intercommunication. This application has the effect that improves the screening performance to epoxy.

Description

Multistage screening system

Technical Field

The application relates to the technical field of screening equipment, in particular to a multistage screening system.

Background

The epoxy resin is a generic term for a polymer having two or more epoxy groups in its molecule. It is a polycondensation product of epichlorohydrin and bisphenol A or a polyol. Because of the chemical activity of the epoxy group, the epoxy group can be opened by a plurality of compounds containing active hydrogen, and the epoxy group is cured and crosslinked to form a network structure, so that the epoxy group is a thermosetting resin. The processed epoxy resin has larger particles, but in practical application, powdered epoxy resin needs to be added, a grinder is usually adopted to grind the large-particle epoxy resin, and then the powdered epoxy resin is screened out through a screening machine.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: because the particle size of the ground epoxy resin particles is different, the screening equipment in the prior art usually only carries out primary screening on the epoxy resin, so that the screening effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the screening effect to epoxy, the application provides a multistage screening system.

The application provides a multistage screening system adopts following technical scheme:

the utility model provides a multistage screening system, includes first cyclone, second cyclone, first conveying pipe and second conveying pipe, first cyclone is provided with first inlet pipe and first discharging pipe, second cyclone is provided with second inlet pipe and second discharging pipe, the one end of first conveying pipe communicates in the discharge end of grinding the machine, the other end of first conveying pipe communicates in first discharging pipe, first discharging pipe and second feeding pipe communicate through the second conveying pipe.

Through adopting above-mentioned technical scheme, the epoxy of fritter form grinds through grinder, then gets into first cyclone from first conveying pipe and carries out the first grade screening, and the epoxy of fine particle size is separated from first discharging pipe and is carried out the second grade screening to second cyclone, and the finer material of passing through the separation of second cyclone is carried out from the second discharging pipe as final material.

Preferably, the device further comprises a vibration separator, a third discharge pipe is arranged at the lower part of the first cyclone separator, the third discharge pipe is communicated with the feeding end of the vibration separator, the vibration separator is provided with a third feeding pipe, the second cyclone separator is provided with a third feeding pipe, and the discharging end of the vibration separator is communicated with the third feeding pipe through the third feeding pipe.

Through adopting above-mentioned technical scheme, be provided with the vibrations separator in order to realize the circulation screening, after epoxy carried out first grade screening through first cyclone, the epoxy of thin particle size was separated to second cyclone, and the epoxy of thick particle size then falls to the vibrations separator through the third discharging pipe, and the vibrations separator separates out than thin epoxy and gets into second cyclone once more and carry out the second grade screening.

Preferably, the first cyclone separator is provided with a fourth feeding pipe, a quick-release joint is arranged at the pipe orifice of the third feeding pipe, and the third feeding pipe is detachably connected to the third feeding pipe or the fourth feeding pipe through the quick-release joint.

Through adopting above-mentioned technical scheme, can be according to the condition of the epoxy particle size in the vibrations separator, communicate the third conveying pipe in third feeding pipe or fourth feeding pipe, when communicating the third conveying pipe in third feeding pipe, the epoxy that the vibrations separator separated enters into second cyclone from third feeding pipe and carries out the second grade and sieve, when communicating the third conveying pipe in the fourth feeding pipe, the epoxy that the vibrations separator separated enters into first cyclone from third feeding pipe and sieves.

Preferably, the third feeding pipe is provided with a first valve for controlling the third feeding pipe to be communicated or closed, and the fourth feeding pipe is provided with a second valve for controlling the fourth feeding pipe to be communicated or closed.

Through adopting above-mentioned technical scheme, when the third conveying pipe communicates in the third feeding pipe, open the third feeding pipe through first valve, close the fourth feeding pipe through the second valve, when the third conveying pipe communicates in the fourth feeding pipe, close the third feeding pipe through first valve, open the fourth feeding pipe through the second valve.

Preferably, second discharging pipe department is provided with the wrapping bag that carries out the collection to the material, the lower extreme of second discharging pipe is provided with the beater mechanism that beats the wrapping bag.

Through adopting above-mentioned technical scheme, bagging-off is carried out final material through the wrapping bag, after carrying out the filling after the packing, accessible beater mechanism beats the wrapping bag for the material in the wrapping bag is more abundant, reduces the clearance between the material, improves packaging quality.

Preferably, the flapping mechanism comprises a support, a swing frame, a flapping plate and a driving piece, the support is arranged on the ground, the lower end of the swing frame is rotatably connected to the support, and the flapping plate is arranged at the free end of the swing frame.

Through adopting above-mentioned technical scheme, the flexible drive swing span through the pneumatic cylinder swings around the pin joint for the clapper beats the wrapping bag.

Preferably, the beating plate is provided with a dust suction cavity, the side surface of the beating plate close to the packaging bag is provided with a dust suction opening communicated with the dust suction cavity, and the beating plate is provided with a dust suction assembly.

Through adopting above-mentioned technical scheme, when clapping the board and patting wrapping bag and material, the wrapping bag can fill out the dust, produces suction through dust absorption component in clapping the dust absorption mouth department of board, and the dust is retrieved by dust absorption component through dust absorption mouth and dust absorption chamber, reaches the effect of dust absorption.

Preferably, the dust collection assembly comprises a first dust collection pipe, a first fan, a second dust collection pipe and a collection box, the dust collection cavity of the beating plate is communicated with the air suction port of the first fan through the first dust collection pipe, and the air outlet of the first fan is communicated with the collection box through the second dust collection pipe.

Through adopting above-mentioned technical scheme, the fan carries out work when patting for the dust absorption mouth department of clapping the board produces the negative pressure, and outside air can loop through dust absorption mouth, suction chamber, first dust absorption pipe and second dust absorption pipe flow to the collection box in, and the air that flows can take the dust near clapping the board to the collection box in, in order to realize the effect of dust absorption.

To sum up, the utility model discloses following beneficial effect has:

1. the vibration separator is arranged to realize circular screening, after the epoxy resin is subjected to primary screening by the first cyclone separation device, the epoxy resin with fine particle size is separated to the second cyclone separator, while the epoxy resin with coarse particle size falls to the vibration separator through the third discharge pipe, and the finer epoxy resin separated by the vibration separator enters the second cyclone device again to be subjected to secondary screening;

2. the fan carries out work when patting for the dust absorption mouth department of clapping the board produces the negative pressure, and outside air can loop through in dust absorption mouth, suction chamber, first dust absorption pipe and the flow of second dust absorption pipe flows to the collection box, and the air that flows can take the dust near clapping the board to the collection box in, in order to realize the effect of dust absorption.

Drawings

FIG. 1 is a schematic diagram of the construction of a multi-stage screening system according to the present embodiment;

FIG. 2 is a schematic structural diagram of the tapping mechanism in the present embodiment;

fig. 3 is a schematic structural view of the clapper in this embodiment.

In the figure, 1, a first cyclone separator; 11. a first feed tube; 12. a first discharge pipe; 13. a fourth feed tube; 131. a second valve; 14. a third discharge pipe; 2. a second cyclone separator; 21. a second feed tube; 22. a second discharge pipe; 23. a third feed pipe; 231. a first valve; 3. a first feed pipe; 31. a second fan; 4. a second feed tube; 5. a third feed tube; 51. a quick release joint; 6. vibrating the separator; 7. a flapping mechanism; 71. a support; 72. a swing frame; 73. beating a plate; 731. a dust suction chamber; 732. a dust suction port; 74. a hydraulic cylinder; 8. a dust collection assembly; 81. a first dust suction pipe; 82. a first fan; 83. a second dust suction pipe; 9. and a collection box.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses multistage screening system, refer to fig. 1, including first cyclone 1, shaking separator 6, first conveying pipe 3, second conveying pipe 4 and third conveying pipe 5, first cyclone 1 is provided with first inlet pipe 11, first discharging pipe 12, third discharging pipe 14 and fourth inlet pipe 13, second cyclone 2 is provided with second inlet pipe 21, second discharging pipe 22 and third inlet pipe 23, first inlet pipe 11 communicates in the discharge end of machine that grinds through first conveying pipe 3, first conveying pipe 3 intercommunication has second fan 31, first discharging pipe 12 and second inlet pipe 21 communicate through second conveying pipe 4. The third discharge pipe 14 is located in the lower part of the first cyclone 1, and the shaking separator 6 is located below the third discharge pipe 14.

Referring to fig. 1, one end of a third feeding pipe 5 is communicated with a discharge end of a vibratory separator 6, a quick-release joint 51 is fixedly connected to a pipe orifice at the other end of the third feeding pipe 5, the third feeding pipe 5 is detachably connected to a third feeding pipe 23 or a fourth feeding pipe 13 through the quick-release joint 51, the third feeding pipe 23 is fixedly connected with a first valve 231 for controlling the third feeding pipe 23 to be communicated or closed, and the fourth feeding pipe 13 is fixedly connected with a second valve 131 for controlling the fourth feeding pipe 13 to be communicated or closed.

Referring to fig. 1 and 2, a packing bag for collecting the material is provided at the second discharge pipe 22, and a tapping mechanism 7 for tapping the packing bag is provided below the second discharge pipe 22. The flapping mechanism 7 comprises a support 71, a swinging frame 72, a flapping plate 73 and a hydraulic cylinder 74, wherein the support 71 is placed on the ground, the lower end of the swinging frame 72 is rotatably connected to the support 71, the flapping plate 73 is fixedly connected to the free end of the swinging frame 72, the cylinder body of the hydraulic cylinder 74 is hinged to the side surface of the support 71 close to the flapping plate 73, and the telescopic rod of the hydraulic cylinder 74 is hinged to the side surface of the swinging frame 72 close to the support 71.

Referring to fig. 3, a dust suction chamber 731 is formed in the clapper 73, and a dust suction port 732 communicated with the dust suction chamber 731 is formed in a side surface of the clapper 73 away from the bracket 71. The dust suction ports 732 are rectangular, the length direction of the dust suction ports 732 is parallel to the width direction of the beating plate 73, a plurality of dust suction ports 732 are arranged, a plurality of dust suction ports 732 are distributed along the length direction of the beating plate 73, and the beating plate 73 is provided with the dust suction assembly 8.

Referring to fig. 2, the dust suction assembly 8 includes a first dust suction pipe 81, a first fan 82, a second dust suction pipe 83 and the collection box 9, wherein one end of the first dust suction pipe 81 is connected to the dust suction chamber 731, the other end of the first dust suction pipe 81 is connected to the first fan 82 placed on the ground, one end of the second dust suction pipe 83 is connected to the first fan 82, and the other end of the second dust suction pipe 83 is connected to the collection box 9.

The implementation principle of the multistage screening system in the embodiment of the application is as follows: blocky epoxy grinds through grinder, then get into first cyclone 1 from first conveying pipe 3 and carry out the primary screening, the epoxy of thin particle size is separated to second cyclone 2 from first discharging pipe 12 and is carried out the secondary screening, and the epoxy of thick particle size then falls to shaking separator 6 through third discharging pipe 14, shaking separator 6 separates out that finer epoxy gets into second cyclone 2 again and carries out the secondary screening, the finer material of passing through second cyclone 2 separation is carried out from second discharging pipe 22 as final material, then carry out the bagging-off with the material through the wrapping bag. Swing around the pin joint through the flexible drive swing span 72 of pneumatic cylinder 74 at the bagging-off in-process for clap board 73 and pat the wrapping bag, make the material in the wrapping bag more abundant, reduce the clearance between the material, improve packing quality. When the clapper 73 flaps the packaging bags and the materials, the packaging bags can diffuse dust, at the moment, the first fan 82 works to enable the dust suction opening 732 of the clapper 73 to generate negative pressure, external air can flow into the collecting box 9 through the dust suction opening 732, the dust suction cavity 731, the first dust suction pipe 81 and the second dust suction pipe 83 in sequence, and the flowing air can bring the dust near the clapper 73 into the collecting box 9 to achieve the effect of dust suction.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A multi-stage screening system characterized by: the grinding mill comprises a first cyclone separator (1), a second cyclone separator (2), a first feeding pipe (3) and a second feeding pipe (4), wherein the first cyclone separator (1) is provided with a first feeding pipe (11) and a first discharging pipe (12), the second cyclone separator (2) is provided with a second feeding pipe (21) and a second discharging pipe (22), one end of the first feeding pipe (3) is communicated with the discharging end of the grinding mill, the other end of the first feeding pipe (3) is communicated with the first discharging pipe (12), and the first discharging pipe (12) and the second feeding pipe (21) are communicated through the second feeding pipe (4).

2. A multi-stage screening system according to claim 1, wherein: the device is characterized by further comprising a vibration separator (6), a third discharge pipe (14) is arranged on the lower portion of the first cyclone separator (1), the third discharge pipe (14) is communicated with the feeding end of the vibration separator (6), a third feeding pipe (5) is arranged on the vibration separator (6), a third feeding pipe (23) is arranged on the second cyclone separator (2), and the discharging end of the vibration separator (6) is communicated with the third feeding pipe (23) through the third feeding pipe (5).

3. A multi-stage screening system according to claim 2, wherein: the first cyclone separator (1) is provided with a fourth feeding pipe (13), a quick-release joint (51) is arranged at the pipe orifice of the third feeding pipe (5), and the third feeding pipe (5) is detachably connected to the third feeding pipe (23) or the fourth feeding pipe (13) through the quick-release joint (51).

4. A multi-stage screening system according to claim 3, wherein: the third feeding pipe (23) is provided with a first valve (231) for controlling the third feeding pipe (23) to be communicated or closed, and the fourth feeding pipe (13) is provided with a second valve (131) for controlling the fourth feeding pipe (13) to be communicated or closed.

5. A multi-stage screening system according to claim 1, wherein: the department of second discharging pipe (22) is provided with the wrapping bag that carries out the collection to the material, the lower extreme of second discharging pipe (22) is provided with beater mechanism (7) that carry out the patting to the wrapping bag.

6. A multi-stage screening system according to claim 5, wherein: the flapping mechanism (7) comprises a support (71), a swinging frame (72), a flapping plate (73) and a hydraulic cylinder (74), wherein the support (71) is arranged on the ground, the lower end of the swinging frame (72) is rotatably connected to the support (71), and the flapping plate (73) is arranged at the free end of the swinging frame (72).

7. A multi-stage screening system according to claim 6, wherein: the beating plate (73) is provided with a dust suction cavity (731), the side surface of the beating plate (73) close to the packaging bag is provided with a dust suction opening (732) communicated with the dust suction cavity (731), and the beating plate (73) is provided with a dust suction assembly (8).

8. A multi-stage screening system according to claim 7, wherein: the dust collection assembly (8) comprises a first dust collection pipe (81), a first fan (82), a second dust collection pipe (83) and a collection box (9), a dust collection cavity (731) of the beating plate (73) is communicated with an air suction opening of the first fan (82) through the first dust collection pipe (81), and an air outlet of the first fan (82) is communicated with the collection box (9) through the second dust collection pipe (83).