CN219190894U

CN219190894U - Vibrating screen for screening plastic particles

Info

Publication number: CN219190894U
Application number: CN202223548667.4U
Authority: CN
Inventors: 于燕; 张冬梅; 彭登峰
Original assignee: Linyi Hengguang Plastic Products Co ltd
Current assignee: Linyi Hengguang Plastic Products Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-16
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a vibrating screen for screening plastic particles, which comprises a support and a screening part arranged on the support, wherein the support is connected with the screening part through a damping spring, the bottom of the screening part is provided with a vibrating motor, the screening part comprises a vibrating frame and a screening plate, the vibrating frame is cuboid, the screening plate is arranged in the vibrating frame, the screening plate is provided with a sieve pore and a cooling part, a cooling liquid inlet and a cooling liquid outlet of the cooling part are respectively communicated with a water inlet pipe and a water outlet pipe at two sides of the vibrating frame through connecting pipes, an external water supply device supplies circulating cooling water for a cooling water cavity through the water inlet pipe, the circulating cooling water maintains the temperature of the screening plate and sieve pores of the screening plate in a low-temperature state, the screening plate in the low-temperature state cools the screened plastic particles, the screening plate is more beneficial to screening, and the screening plate of the device is detachably arranged and can be replaced according to practical conditions.

Description

Vibrating screen for screening plastic particles

Technical Field

The utility model relates to the technical field of plastic particle screening equipment, in particular to a vibrating screen for screening plastic particles.

Background

The plastic particles are produced by an extruder in a heating, pressurizing and shearing mode, the particle sizes of the obtained plastic particles are required to be different to a certain extent, screening treatment is required, adhesion possibly exists among part of plastic particles due to insufficient temperature cooling of the plastic particles in the screening treatment process, and the adhered plastic particles cannot be screened in the screening process, so that cooling treatment of the plastic particles entering the screening device is an important method for improving screening quality and efficiency.

In the existing screening device, for example, patent number is: the utility model patent of CN201921615180.9, a plastic particle sieving mechanism, including the frame, the mount, frame-shaped sieve and air-drying mechanism, be provided with vibrating motor on the frame, the one end intercommunication that the granulator was kept away from to the mount has the row material pipe, the one end that the granulator was kept away from to the sieve has set gradually the material selection mouth and the scum pipe that run through the sieve upper and lower surface, the material selection mouth is linked together with row material pipe, air-drying mechanism includes two locating plates that set up at the mount top along plastic particle direction of delivery interval, slide from top to bottom and connect in the mount pad of locating plate and a plurality of fan of the detachable connection mount pad upper surface along material direction of delivery, two locating plates are parallel to each other, the wind direction of fan is down, be provided with the power unit that is used for driving the mount pad to go up and down on the locating plate. The device can be according to the high regulation of the amount of wind to the fan of plastic granules actual need, has improved plastic granules's air-dry effect. The design purpose of the air drying mechanism is to air-dry plastic particles, but the air drying mechanism can also play a role in cooling to a certain extent. The internal environment temperature of the plastic particle processing workshop is relatively high, especially in summer, so that the plastic particle processing workshop is in a high-temperature environment, and the heat dissipation effect of blowing flowing air by a fan is relatively limited.

Disclosure of Invention

The utility model aims to provide a vibrating screen for screening plastic particles, which solves the defects of the prior art in the background art, and the plastic particles in the screening process are cooled by arranging a cooling water cavity in a screening plate or arranging a cooling water pipe at the bottom of the screening plate and cooling the screening plate by circulating cooling water.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a shale shaker for screening plastic granules, includes the support and sets up the screening portion on the support, the support passes through damping spring with the screening portion and is connected, and the bottom of screening portion is provided with vibrating motor, screening portion includes vibrating frame and a plurality of layers screening board, the vibrating frame is the cuboid form, the inside vibrating frame is located to the screening board, be equipped with sieve mesh and cooling portion on the screening board, cooling portion's coolant inlet and coolant outlet communicate with the inlet tube and the outlet pipe of vibrating frame both sides through the connecting pipe respectively, and outside water supply equipment provides circulating cooling water for the cooling water cavity through the inlet tube, and circulating cooling water maintains the low temperature state with the temperature of the sieve mesh of screening board and screening board.

Further, as a preferable mode of the utility model, the cooling part is a cooling water cavity arranged in the screening plate, and cooling water in the cooling water cavity cools the upper surface, the lower surface and the screen holes of the screening plate.

Further, as another preferable mode of the utility model, the cooling part is a cooling water pipe arranged at the bottom of the screening plate and between the screen holes, the cooling water pipe is a square pipe, and the cooling water pipe is fixedly arranged on the lower surface of the screening plate through welding.

Further, as a preferable scheme of the utility model, one end of the vibration frame is provided with a discharging part corresponding to the screening plate, the other end of the vibration frame is openable, the length direction of the inner side of the vibration frame is provided with a screening plate slot, and the screening plate is detachably arranged in the screening plate slot.

Further, as a preferable scheme of the utility model, the screening plate slot is obliquely arranged, and the screening plate arranged in the screening plate slot is obliquely arranged with one end higher and the other end lower, so that plastic particles to be screened on the screening plate can move from one end higher to the other end along the upper surface of the screening plate.

Further as a preferable scheme of the utility model, the screening plates are sequentially arranged from top to bottom, and the sieve holes of the screening plates positioned above are larger than the sieve hole diameters positioned at the lower side, so that plastic particles with different particle sizes are sequentially screened.

Further preferred embodiments of the present utility model are those wherein the relatively high-positioned screening plates are located directly above the relatively low-positioned screening plates.

Further as the preferable scheme of the utility model, the bottom of the vibrating frame is provided with the final-stage particle collecting funnel, and plastic particles leaked from the lowest-stage screening plate fall into the final-stage particle collecting funnel and are concentrated at the outlet of the middle funnel, so that the concentrated collecting treatment is facilitated.

Compared with the prior art, the utility model has the beneficial effects that: the device is characterized in that a cooling water cavity is formed in the screening plate or a cooling water pipe is arranged at the bottom of the screening plate, circulating cooling water is provided for the cooling water cavity or the cooling water pipe through external equipment, and the cooling water can keep the screening plate in a relative bottom-intersecting temperature state, so that plastic particles falling on the screening plate can exchange heat with the screening plate, and the temperature of the plastic particles is reduced; secondly, the screening plate is detachably arranged in the screening plate slot on the inner side of the vibrating frame, so that the screening plate with proper screen holes can be replaced according to the granularity requirement of actual screening particles.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a perspective view of the utility model without the screen plate installed.

Fig. 3 is a cross-sectional view showing a cooling portion of the present utility model in a perspective view of a cooling water chamber.

Fig. 4 is a perspective view of a screen plate in which cooling water pipes are used in the cooling section.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 4 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-4, the embodiment specifically discloses a vibrating screen for screening plastic particles, which comprises a support 1 and a screening part arranged on the support 1, wherein the support 1 is connected with the screening part through a damping spring 2, one end of the damping spring 2 is fixedly connected with the support 1, the other end of the damping spring is connected with the bottom of the screening part, and the damping spring 2 can effectively filter out vibration of the screening part and prevent the vibration of the support 1 caused by the vibration of the screening part; the bottom of screening portion is provided with vibrating motor 3, screening portion includes screening board 4 that vibration frame 6 and a plurality of layers set up from top to bottom, screening board 4 top-down set gradually, form multistage screening, and the sieve mesh 5 of screening board 4 that is located the top is great relatively, the plastic granules granularity that screening board 4 top-down screened reduces in proper order, vibration frame 6 is the cuboid form, inside vibration frame 6 was located to screening board 4, be equipped with sieve mesh 5 and cooling portion on the screening board 4, cooling portion's coolant liquid import and coolant liquid export are respectively through inlet tube 7 and outlet pipe 8 intercommunication of connecting pipe with vibration frame 6 both sides, outside water supply equipment provides circulating cooling water through inlet tube 7 for the cooling water cavity, circulating cooling water maintains the low temperature state with the temperature of screening board 4 and screening board 4's sieve mesh 5.

Further as a preferred scheme of the utility model, the inside of the sieving plate 4 is hollow to form a cooling water cavity 9, namely, the surface of the sieving plate 4 and the inner wall of the sieve holes 5 form the outer wall of the cooling water cavity 9, the lower surface of the sieving plate 4 is provided with a cooling water inlet and a cooling water outlet which are respectively communicated with an upper water inlet pipe 7 and a water outlet pipe 8 which are arranged on the side wall of the vibrating frame 6, cooling water enters the cooling water cavity 9 through the water inlet at the bottom of the sieving plate 4 and then is discharged through the water outlet and the water outlet pipe 8, in order to ensure that the water inside the cooling water cavity 9 circularly flows, the water inlet pipe 7 is connected with an external water pump and is supplied with water through the water pump, the cooling water inside the cooling water cavity 9 cools the upper surface, the lower surface of the sieving plate 4 and the sieve holes 5, and the sieving plate 4 inside the vibrating frame 6 jointly acts to ensure that the temperature of the environment inside the vibrating frame 6 is relatively intersected, and plastic particles entering the inside the device are always in the temperature relatively intersected environment.

Further as the preference of the above embodiment, one end of the vibration frame 6 is provided with a discharging part 10 corresponding to the screening plate 4, and the other end of the vibration frame is openable, specifically, the openable end is an openable door-shaped structure connected with the vibration frame 6 through a hinge or a side wall fastened through a bolt, the length direction of the inner side of the vibration frame 6 is provided with a screening plate slot 11, and the screening plate 4 is detachably arranged in the screening plate slot 11, so that the screening plate 4 and the vibration frame 6 can be detachably arranged, and the screening plates 4 with the diameters of the screen holes 5 can be more suitable according to practical situations, and the number of the screening plates 4 can be selected.

Further, as a preferable mode of the above embodiment, the discharging portion 10 is approximately dustpan-shaped, and the opening is in close contact with the lowest end of the sieving plate 4, so as to ensure that the plastic particles directly enter the discharging portion 10 and cannot fall off, and a discharging opening is formed at the other end of the discharging portion, so that the plastic particles obtained by sieving the sieving plate 4 are collected and discharged.

Further as a preferable example of the above embodiment, the screening plate slot 11 is inclined so that the screening plate 4 disposed in the screening plate slot 11 is inclined with one end high and one end low, so that the plastic particles to be screened on the screening plate 4 can move from one end higher to the other end along the upper surface of the screening plate 4.

Further preferably, the sieving plate 4 is provided with a plurality of layers from top to bottom, and the sieve holes 5 of the sieving plate 4 positioned above are larger than the sieve hole diameters positioned at the lower side, so that plastic particles with different particle sizes can be sequentially sieved.

Further as a preference to the above embodiment, the screening deck 4 provided in several layers comprises at least 2 layers, the 2 layers of screening deck 4 forming a primary screening deck and a secondary screening deck, the primary screening deck being located directly above the secondary screening deck.

Further as the preference of the embodiment, the bottom of the vibration frame 6 is provided with a final-stage particle collecting funnel 12, and plastic particles leaked below by the lowest screening plate fall into the final-stage particle collecting funnel 12 and are concentrated at the outlet of the middle funnel, so that the concentrated collecting treatment is facilitated.

As shown in fig. 4, as another embodiment of the intermediate cooling portion of the above example, cooling water pipes 13 are provided between the mesh holes 5 at the bottom of the screen plate 4, and in order to increase the contact area between the cooling water pipes and the screen plate 4, the cooling water pipes 13 are square pipes, the cooling water pipes 13 are fixedly welded to the lower surface of the screen plate 4, and the cooling water pipes 13 are reciprocally provided along the longitudinal direction of the screen plate 4.

When the sieving plate 4 needs to be replaced, an openable door-shaped structure at one end of the vibrating frame or a side wall fastened by bolts is opened, a water inlet and a water outlet on the lower surface of the original sieving plate 4 are respectively separated from a water inlet pipe 7 and a water outlet pipe 8 on the side wall of the vibrating frame, and then the original sieving plate is pulled out of a sieving plate slot 11 to complete the disassembly of the original sieving plate 4; the new screening plate 4 is inserted into the screening plate slot 11, the water inlet and the water outlet on the lower surface of the screening plate 4 are respectively communicated with the water inlet pipe 7 and the water outlet pipe 8 on the side wall of the vibration frame, and finally the openable door-shaped structure or the side wall fastened by bolts is closed, so that the replacement of the new screening plate 4 is completed.

During the use, outside water pump will circulate cooling water pump in cooling water cavity 9 or condenser tube, and circulated cooling water is to screening board 4 cooling treatment, and screening board 4 can be located the plastics granule of screening board 4 upper surface and is cooled down the treatment, prevents that the plastics granule is high Wen Nianlian.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions are considered to be within the scope of the present utility model.

Claims

1. The utility model provides a shale shaker for screening plastic granules, includes the support and sets up the screening portion on the support, the support passes through damping spring with the screening portion and is connected, and the bottom of screening portion is provided with vibrating motor, its characterized in that, screening portion includes vibrating frame and screening board, the vibrating frame is the cuboid form, inside the vibrating frame was located to the screening board, be equipped with sieve mesh and cooling portion on the screening board, cooling portion's coolant inlet and coolant outlet communicate with the inlet tube and the outlet pipe of vibrating frame both sides through the connecting pipe respectively, and outside water supply equipment provides circulating cooling water for the cooling water cavity through the inlet tube, and circulating cooling water maintains the low temperature state with the temperature of the sieve mesh of screening board and screening board.

2. The vibrating screen for screening plastic particles according to claim 1, wherein the cooling part is a cooling water cavity arranged in the screening plate, and cooling water in the cooling water cavity cools the upper surface and the lower surface of the screening plate and the screen holes.

3. The vibrating screen for screening plastic particles according to claim 1, wherein the cooling part is a cooling water pipe arranged at the bottom of the screening plate and between the screen holes, the cooling water pipe is a square pipe, and the cooling water pipe is fixedly arranged on the lower surface of the screening plate through welding.

4. A vibrating screen for screening plastic particles according to claim 2 or 3, wherein one end of the vibrating frame is provided with a discharging part corresponding to the screening plate, the other end of the vibrating frame is openable, the length direction of the inner side of the vibrating frame is provided with a screening plate slot, and the screening plate is detachably arranged in the screening plate slot.

5. The vibrating screen for screening plastic particles according to claim 4, wherein the screening plate slot is inclined such that the screening plate disposed in the screening plate slot is inclined such that one end of the screening plate is higher and the other end of the screening plate is lower, and the plastic particles to be screened on the screening plate can move along the upper surface of the screening plate from the higher end to the lower end.

6. The vibrating screen for screening plastic particles according to claim 5, wherein the screening plates are sequentially provided with at least 2 layers from top to bottom, and the screen holes of the screening plates located above are larger than the screen hole diameters located at the lower side.

7. A vibrating screen for screening plastic particles according to claim 6 wherein the relatively high screen plate is located directly above the relatively low screen plate.

8. A vibrating screen for screening plastic particles according to claim 1, wherein the vibrating frame bottom is provided with a final particle collection funnel, the bottom of which is provided with a funnel outlet.