CN216322181U

CN216322181U - Crushing apparatus for phenolic moulding plastic production

Info

Publication number: CN216322181U
Application number: CN202122863442.7U
Authority: CN
Inventors: 唐小燕; 陈永水; 陈文海; 陈飞庭
Original assignee: Zhejiang Nanfang Rubber & Plastic Manufacture Co ltd
Current assignee: Zhejiang Nanfang Rubber & Plastic Manufacture Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-19
Anticipated expiration: 2031-11-18

Abstract

The utility model relates to crushing equipment for producing phenolic molding plastic, which comprises a feeding hopper, a crushing shell, a screening shell and a storage tank which are arranged from top to bottom, wherein a crushing cavity is arranged in the crushing shell, a crushing mechanism is arranged in the crushing cavity, a conveying pipe is connected between the crushing shell and the crushing shell, a screening cavity is arranged in the screening shell, the crushing cavity is communicated with the screening cavity, the lower end of the screening cavity is communicated with the storage tank, a screening net is arranged in the middle of the screening cavity, a re-crushing pipeline is connected between the screening shell and the conveying pipe, one end of the re-crushing pipeline is communicated with the screening cavity and is positioned at the upper side of the screening net, the other end of the re-crushing pipeline is communicated with the conveying pipe, and a high-pressure exhaust fan is arranged on the re-crushing pipeline, the utility model has good crushing effect, does not need to manually control the crushing time and reduces the workload.

Description

Crushing apparatus for phenolic moulding plastic production

Technical Field

The utility model relates to phenolic moulding plastic production equipment, in particular to crushing equipment for phenolic moulding plastic production.

Background

In the production of the phenolic moulding plastic, the phenolic moulding plastic is required to be rolled by adopting double rollers to form a sheet, and then the sheet-shaped phenolic moulding plastic is crushed, the crushing effect of the conventional crushing equipment is poor, the phenolic moulding plastic cannot be crushed to the required mesh number if the crushing time is short, the crushing time is long, the fine powder content of the phenolic moulding plastic is high, and the use requirement is not met, so that the conventional crushing equipment needs to accurately control the crushing time, and the workload of workers is increased.

SUMMERY OF THE UTILITY MODEL

The crushing equipment for producing the phenolic molding plastic provided by the utility model has a good crushing effect, does not need to manually control the crushing time, and solves the problems existing in the use process in the prior art.

The technical scheme of the utility model is realized as follows: a crushing device for phenolic molding plastic production comprises a feeding hopper, a crushing shell, a screening shell and a storage tank which are arranged from top to bottom, wherein a crushing cavity is formed in the crushing shell, a crushing mechanism is arranged in the crushing cavity, the feeding hopper is communicated with the crushing cavity, the crushing cavity is arranged in the crushing shell, a crushing mechanism is arranged in the crushing cavity, a conveying pipe is connected between the crushing shell and the crushing shell, the conveying pipe is communicated with the crushing cavity and the crushing cavity, a screening cavity is arranged in the screening shell, the crushing cavity is communicated with the screening cavity, the lower end of the screening cavity is communicated with the storage tank, a screening net is arranged at the middle position in the screening cavity, a re-crushing pipeline is connected between the screening shell and the conveying pipe, one end of the re-crushing pipeline is communicated with the screening cavity and is positioned at the upper side of the screening net, and the other end of the re-crushing pipeline is communicated with the conveying pipe, and a high-pressure exhaust fan is arranged on the secondary crushing pipeline.

Preferably, broken mechanism changes the roller including first commentaries on classics roller and second, the equidistance distributes on the first roller of changeing has the first broken ring of a plurality of, the equidistance distributes on the second changes the roller has the broken ring of a plurality of second, first commentaries on classics roller parallels with the second commentaries on classics roller, first broken ring is the setting of staggering with the broken ring of second.

Preferably, it is cylindric to smash the casing, rubbing crusher constructs including the axis of rotation, the coaxial setting of axis of rotation is in smashing the casing, the equidistance distributes in the axis of rotation has a plurality of rotating disc, rotating disc fixed connection is in the axis of rotation, it has two at least centrifugal pendulum weights to be the circumference distribution on the rotating disc, centrifugal pendulum weight rotates to be connected on rotating disc, it is fixed with the arc sieve to smash the casing on smashing the communicating position in chamber and screening chamber.

Preferably, the screening net comprises an inclined section and a horizontal section which are connected, the inclined section is positioned under the arc-shaped screening plate, and the horizontal section is close to the connecting position of the secondary crushing pipeline.

Preferably, a vibration cam is arranged below the inclined section.

Preferably, the high-pressure exhaust fan is provided with a filter plate at a position connected with the secondary crushing pipeline, and the secondary crushing pipeline is also provided with a blowing fan blowing air towards the conveying pipe.

Preferably, the regrinding pipe is provided with a rotatable door plate at a position communicated with the delivery pipe, and the upper side of the rotatable door plate is hinged on the regrinding pipe.

In conclusion, the beneficial effects of the utility model are as follows:

1. when the crushing work is carried out, the sheet phenolic aldehyde film plastics enter from the feeding hopper, the sheet phenolic aldehyde film plastics are crushed by the crushing mechanism in the crushing cavity, the phenolic aldehyde film plastics crushed into small blocks enter into the crushing cavity from the conveying pipe, the crushed phenolic aldehyde film plastics are crushed by the crushing mechanism, the crushed granular phenolic aldehyde film plastics fall into the screening cavity, the phenolic aldehyde film plastics reaching the required mesh number fall into the material storage tank through the screening net, the phenolic aldehyde film plastics which can not pass through the screening net stay on the screening net, certain phenolic aldehyde film plastics are accumulated on the screening net at certain time intervals, the high-pressure exhaust fan is started, the phenolic aldehyde film plastics on the screening net are sucked through the re-crushing pipeline, the part of the phenolic aldehyde film plastics are conveyed into the conveying pipe again and fall into the crushing cavity again for crushing, and the phenolic aldehyde film plastics reaching the required mesh number can be screened out in time, therefore, the crushing effect of the utility model is good, and the phenolic film plastic which does not meet the requirement of required mesh number is automatically conveyed to the crushing cavity again for crushing, the crushing time is not required to be controlled manually, and the workload of workers is reduced.

Drawings

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

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

fig. 2 is a schematic perspective view of a first roller and a second roller of the present invention.

In the figure: 1. feeding into a hopper; 2. crushing the shell; 21. a crushing chamber; 22. a first rotating roller; 23. a second rotating roller; 24. a first crushing ring; 25. a second crushing ring; 3. pulverizing the shell; 31. a grinding chamber; 32. a rotating shaft; 33. rotating the disc; 34. a centrifugal pendulum bob; 35. an arc-shaped sieve plate; 4. screening the shell; 41. a screening chamber; 42. screening a net; 43. an inclined section; 44. a horizontal segment; 45. a vibrating cam; 5. a material storage tank; 6. a delivery pipe; 7. crushing the pipeline again; 71. a high pressure exhaust fan; 72. a filter plate; 73. a blowing fan; 74. the door panel can be rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1-2 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 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.

Example (b):

as shown in fig. 1 and fig. 2, the utility model discloses a crushing device for producing phenolic molding compound, which comprises a feeding hopper 1, a crushing shell 2, a crushing shell 3, a screening shell 4 and a storage tank 5 which are arranged from top to bottom, wherein the crushing shell 2 is internally provided with a crushing cavity 21, the crushing cavity 21 is internally provided with a crushing mechanism, the feeding hopper 1 is communicated with the crushing cavity 21, the crushing shell 3 is internally provided with a crushing cavity 31, the crushing cavity 31 is internally provided with a crushing mechanism, a conveying pipe 6 is connected between the crushing shell 3 and the crushing shell 3, the conveying pipe 6 is communicated between the crushing cavity 21 and the crushing cavity 31, the screening shell 4 is internally provided with a screening cavity 41, the crushing cavity 31 is communicated with the screening cavity 41, the lower end of the screening cavity 41 is communicated with the storage tank 5, the middle part of the screening cavity 41 is provided with a screening net 42, and a re-crushing pipeline 7 is connected between the screening shell 4 and the conveying pipe 6, one end of the secondary crushing pipeline 7 is communicated with the screening cavity 41 and is positioned at the upper side of the screening net 42, the other end of the secondary crushing pipeline 7 is communicated with the conveying pipe 6, and a high-pressure exhaust fan 71 is arranged on the secondary crushing pipeline 7.

The working principle of the utility model is as follows: sheet phenolic film plastics are poured into the material inlet hopper 1 and crushed by the crushing mechanism in the crushing cavity 21, the phenolic film plastics crushed into small blocks enter the crushing cavity 31 from the conveying pipe 6 and are crushed by the crushing mechanism, the crushed granular phenolic film plastics fall into the screening cavity 41, the phenolic film plastics reaching the required mesh number fall into the material storage tank 5 through the screening net 42, the phenolic film plastics which cannot pass through the screening net 42 stay on the screening net 42, certain phenolic film plastics are accumulated on the screening net 42 at certain intervals, the high-pressure exhaust fan 71 is started, the phenolic film plastics on the screening net 42 are sucked by the secondary crushing pipeline 7, and the part of phenolic film plastics are conveyed into the conveying pipe 6 again and fall into the crushing cavity 31 again for crushing.

Specifically, the crushing mechanism comprises a first rotating roller 22 and a second rotating roller 23, a plurality of first crushing rings 24 are equidistantly distributed on the first rotating roller 22, a plurality of second crushing rings 25 are equidistantly distributed on the second rotating roller 23, the first rotating roller 22 is parallel to the second rotating roller 23, the first crushing rings 24 and the second crushing rings 25 are arranged in a staggered mode, and flaky phenolic film plastic enters between the first rotating roller 22 and the second rotating roller 23 and is crushed through extrusion of the first crushing rings 24 and the second crushing rings 25.

It is specific, crushing shell 3 is cylindricly, rubbing crusher constructs including axis of rotation 32, the coaxial setting of axis of rotation 32 is in crushing shell 3, it has a plurality of rotating disc 33 to distribute equidistantly on axis of rotation 32, rotating disc 33 fixed connection is in axis of rotation 32, it has two at least centrifugal pendulum 34 to distribute to be the circumference on the rotating disc 33, centrifugal pendulum 34 rotates and connects on rotating disc 33, crushing shell 3 is fixed on crushing chamber 31 and the communicating position in screening chamber 41 and is provided with arc sieve 35, falls into the phenolic aldehyde membrane plastics who smashes the chamber 31, smashes through the rotation of centrifugal pendulum 34, smashes the phenolic aldehyde membrane plastics who smashes certain mesh number and can carry out preliminary screening through arc sieve 35.

Specifically, the screening net 42 comprises an inclined section 43 and a horizontal section 44 which are connected, the inclined section 43 is positioned right below the arc-shaped screening plate 35, the horizontal section 44 is close to the connecting position of the secondary crushing pipeline 7, and the structure can enable phenolic film plastic particles which do not pass through the screening net 42 to slide onto the horizontal section 44 and be close to the secondary crushing pipeline 7, so that the phenolic film plastic particles are conveniently sucked.

In addition, a vibrating cam 45 is arranged below the inclined section 43, the vibrating cam 45 is driven by a motor (the motor is not shown in the figure), and the vibrating cam 45 is used for vibrating the screening net 42, so that the phenolic film plastic particles reaching the required mesh number can pass through the screening net 42 conveniently.

In the present invention, the high pressure suction fan 71 is provided with a filter plate 72 at a position connected to the re-pulverization duct 7, the re-pulverization duct 7 is further provided with a blowing fan 73 blowing air toward the delivery pipe 6, the re-pulverization duct 7 is provided with a rotatable door plate 74 at a position communicated with the delivery pipe 6, and an upper side of the rotatable door plate 74 is hinged to the re-pulverization duct 7. The shape of the regrinding duct 7 is as shown in fig. 1, when the phenolic film plastic particles sucked by the regrinding duct 7 reach the highest point of the regrinding duct 7, the phenolic film plastic particles can fall into the conveying pipe 6, the blowing fan 73 can accelerate the speed of the blowing fan 73 falling downwards into the conveying pipe 6, the rotatable door panel 74 can not prevent the phenolic film plastic particles from entering the conveying pipe 6 from the regrinding duct 7, but can prevent the phenolic film plastic particles in the conveying pipe 6 from entering the regrinding duct 7.

Meanwhile, the utility model also points out terms such as: the terms "front," "back," "vertical," "horizontal," and the like, as used herein, are intended to refer to an orientation or positional relationship as shown in the drawings for convenience in describing the utility model and in order to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the scope of the utility model.

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

Claims

1. The crushing equipment for producing the phenolic molding plastic is characterized in that: comprises a feeding hopper (1), a crushing shell (2), a crushing shell (3), a screening shell (4) and a storage tank (5) which are arranged from top to bottom, wherein a crushing cavity (21) is arranged in the crushing shell (2), a crushing mechanism is arranged in the crushing cavity (21), the feeding hopper (1) leads to the crushing cavity (21), a crushing cavity (31) is arranged in the crushing shell (3), a crushing mechanism is arranged in the crushing cavity (31), a conveying pipe (6) is connected between the crushing shell (3) and the crushing shell (3), the conveying pipe (6) conducts the crushing cavity (21) and the crushing cavity (31), a screening cavity (41) is arranged in the screening shell (4), the crushing cavity (31) is communicated with the screening cavity (41), the lower end of the screening cavity (41) leads to the storage tank (5), and a screening net (42) is arranged at the middle position in the screening cavity (41), be connected with regrinding pipeline (7) between screening casing (4) and conveyer pipe (6), the one end of regrinding pipeline (7) is access to in screening chamber (41) and is in the upside of screening net (42), the other end of regrinding pipeline (7) is access to in conveyer pipe (6), be equipped with high-pressure air exhauster (71) on the regrinding pipeline (7).

2. The crushing apparatus for phenolic molding compound production as claimed in claim 1, wherein: the crushing mechanism comprises a first rotating roller (22) and a second rotating roller (23), a plurality of first crushing rings (24) are equidistantly distributed on the first rotating roller (22), a plurality of second crushing rings (25) are equidistantly distributed on the second rotating roller (23), the first rotating roller (22) is parallel to the second rotating roller (23), and the first crushing rings (24) and the second crushing rings (25) are arranged in a staggered mode.

3. The crushing apparatus for phenolic molding compound production as claimed in claim 1, wherein: smash casing (3) and be cylindricly, rubbing crusher constructs including axis of rotation (32), axis of rotation (32) coaxial setting is in smashing casing (3), it has a plurality of rotating disc (33) to distribute on axis of rotation (32) equidistance, rotating disc (33) fixed connection is on axis of rotation (32), it has two at least centrifugal pendulum (34) to be the circumference distribution on rotating disc (33), centrifugal pendulum (34) rotate to be connected on rotating disc (33), it is fixed arc sieve (35) to be provided with on smashing chamber (31) and the communicating position in screening chamber (41) to smash casing (3).

4. The crushing apparatus for phenolic molding compound production as claimed in claim 3, wherein: the screening net (42) comprises an inclined section (43) and a horizontal section (44) which are connected, the inclined section (43) is positioned right below the arc-shaped screening plate (35), and the horizontal section (44) is close to the connecting position of the secondary crushing pipeline (7).

5. The crushing apparatus for phenolic molding compound production as claimed in claim 4, wherein: and a vibration cam (45) is arranged below the inclined section (43).

6. The crushing apparatus for phenolic molding compound production as claimed in claim 1, wherein: the high-pressure exhaust fan (71) is provided with a filter plate (72) at the position connected with the secondary crushing pipeline (7), and the secondary crushing pipeline (7) is also provided with a blowing fan (73) blowing towards the conveying pipe (6).

7. The crushing apparatus for phenolic molding compound production as claimed in claim 6, wherein: the re-crushing pipeline (7) is provided with a rotatable door plate (74) at the position communicated with the conveying pipe (6), and the upper side of the rotatable door plate (74) is hinged on the re-crushing pipeline (7).