CN213533341U

CN213533341U - Cooling device for halogen-free flame-retardant plastic particles

Info

Publication number: CN213533341U
Application number: CN202021359309.7U
Authority: CN
Inventors: 祝万军; 魏平; 蒋中友
Original assignee: Weiyuan Phoenix High Tech Materials Co ltd
Current assignee: Weiyuan Phoenix High Tech Materials Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-06-25
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a cooling device that halogen-free flame retardant plastic granules were used, including the fixed frame of bottom plate and L shape, the one end at the bottom plate top is fixed to the fixed frame of L shape, and the fixed cooler bin that is equipped with in one end at the fixed frame top of L shape, the fixed first screening case that is equipped with of the other end at the fixed frame top of L shape, the top of first screening case and the bottom parallel and level of cooler bin, the fixed second screening case that is equipped with in other end at bottom plate top. The utility model discloses let plastic granules follow rivers and flow the inside to first screening frame from the through-hole, utilize first screening frame to filter plastic granules, filter in the refrigerated, need not carry out screening once more, can save time, increase work efficiency, in addition can also be timely take out first screening frame or second screening frame, when first screening frame or the inside plastic granules of second screening frame do not have safe cooling, carry out the time spent again to it and remold, can not cause thermal waste like this.

Description

Cooling device for halogen-free flame-retardant plastic particles

Technical Field

The utility model relates to a fire-retardant plastics production field specifically is a cooling device that halogen-free fire-retardant plastic granules were used.

Background

The halogen-free flame retardant plastic has the advantages that the halogen-free flame retardant plastic does not decompose hydrogen halide to pollute the environment when being heated and decomposed, and the influence on the human health is reduced. Halogen-free flame retardant plastics are a necessary trend for flame retardant plastics because of the progress of production technology and the increase of product requirements, and many products prohibit the use of halogen-containing flame retardant materials. The halogen-free flame-retardant plastic is very tough, has the advantages of good wear resistance, small friction and the like, and can be used as clothing material, toothbrush, velvet, mechanical accessories (such as gears), films, artificial leather, wire skins and the like.

At present, most of existing halogen-free flame-retardant plastic particle cooling devices only have a cooling function, but in the production process, plastic particles with particle sizes which do not meet the requirements inevitably appear, the traditional devices are screened after being cooled completely, the operation needs to consume time, the efficiency is low, screening is carried out after the plastic particles are cooled completely, unqualified plastic particles are returned, the plastic particles are cooled completely basically in the process, and the heat waste can be caused after the plastic particles are heated and melted again. Therefore, we improve this and propose a cooling device for halogen-free flame-retardant plastic particles.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects existing in the prior art, the utility model provides a cooling device for halogen-free flame-retardant plastic particles.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a cooling device for halogen-free flame-retardant plastic particles, which comprises a bottom plate and an L-shaped fixed frame, wherein the L-shaped fixed frame is fixed at one end of the top of the bottom plate, one end of the top of the L-shaped fixed frame is fixedly provided with a cooling box, the other end of the top of the L-shaped fixed frame is fixedly provided with a first screening box, the top end of the first screening box is flush with the bottom end of the cooling box, the other end of the top of the bottom plate is fixedly provided with a second screening box, the top end of the second screening box is flush with the bottom end of the first screening box, the inner cavity of the cooling box is close to one end of the first screening box, and the inner cavity of the first screening box is close to one end of the second screening box, and is provided with an intercepting mechanism, the cooling box is close to the bottom of one end of the first screening box, and the bottom, the inside second screening frame of having placed of second screening incasement portion, the fixed frame inner chamber of L shape is close to the fixed circulating pump that is equipped with of second screening case one end, the fixed water pipe that is equipped with of water inlet of circulating pump, the tip of water pipe runs through the fixed frame of L shape and the bottom intercommunication of second screening frame and second screening frame inner chamber, the fixed frame inner chamber of L shape is kept away from second screening frame one end and is provided with heat dissipation mechanism, the circulating pump delivery port communicates with heat dissipation mechanism's water inlet, the top that first screening case one end was kept away from to the cooler bin is fixed to be pegged graft and is had the raceway, the tip of raceway runs through the fixed frame of L shape and the delivery.

As a preferred technical scheme of the utility model, interception mechanism includes that two rectangle draw-in grooves, a fixed plate and one block the otter board, two the both sides at first screening incasement chamber are seted up respectively to the rectangle draw-in groove, the both sides of fixed plate slide respectively and peg graft inside two rectangle draw-in grooves, block that the otter board is fixed to be inlayed in the positive bottom of fixed plate, just block otter board and through-hole just to setting up.

As a preferred technical scheme of the utility model, heat dissipation mechanism includes two fans, a cooling tube and a plurality of fin, two the fan is fixed respectively in the both sides of the fixed frame inner chamber of L shape, and two the wind direction of fan is unanimous, a plurality of the top and the bottom of fin respectively with the top and the bottom fixed connection of the fixed frame inner chamber of L shape, and a plurality of fin evenly distributed, a plurality of the fin sets up with the fan is perpendicular, the one end of cooling tube and the outlet pipe intercommunication of circulating pump, the other end of cooling tube is the S-shaped and makes a round trip to run through the fin and communicate with the tip of raceway.

As an optimal technical scheme of the utility model, the cooling tube adopts the copper material to make, the fin adopts the aluminum alloy to make.

As a preferred technical scheme of the utility model, the both sides on first screening roof end and the both sides on second screening roof end are all fixed and are equipped with the barrier plate, wherein one side of two barrier plates on the first screening case all with cooler bin end fixed connection, wherein one side of two barrier plates on the second screening case all with first screening roof end fixed connection.

As an optimal technical scheme of the utility model, the both sides at first screening frame and second screening frame top are all fixed and are equipped with the handle, four the equal fixed parcel in surface of handle has the sponge cover.

As a preferred technical scheme of the utility model, the fixed flush mounting of one end of the fixed frame of L shape is equipped with flush mounting plate of switch, flush mounting plate of switch is last to be provided with heat dissipation switch and cycle switch, the circulating pump passes through cycle switch and external power supply electric connection, two the fan is all through heat dissipation switch and external power supply electric connection.

The utility model has the advantages that: this kind of cooling device that halogen-free flame retardant plastic granules was used, through being equipped with the cooler bin, first screening case and second screening case, utilize the cooler bin to carry out preliminary cold design to the plastic granules who extrudes, then let plastic granules follow rivers and flow the inside of first screening frame from the through-hole, utilize first screening frame to filter plastic granules, the inside that the through-hole outflow entered into second screening frame can be followed to granule that is little like this, big granule can be stayed the inside of first screening frame, filter in the refrigerated while, need not carry out screening once more, can save time, increase work efficiency, in addition can also be timely take out first screening frame or second screening frame, when first screening frame or the inside plastic granules of second screening frame do not have safe cooling, it is remolded to going back the stove, thermal waste can not be caused like this.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural diagram of a cooling device for halogen-free flame-retardant plastic particles according to the present invention;

FIG. 2 is a schematic diagram of a cross-sectional side view of a cooling device for halogen-free flame retardant plastic pellets according to the present invention;

FIG. 3 is a schematic cross-sectional view of a heat dissipating tube of a cooling device for halogen-free flame retardant plastic pellets according to the present invention;

FIG. 4 is a schematic structural view of a first screening box of the cooling device for halogen-free flame retardant plastic particles according to the present invention;

fig. 5 is a schematic view of a through hole partially enlarged structure of a cooling device for halogen-free flame retardant plastic particles of the present invention.

In the figure: 1. a base plate; 2. an L-shaped fixing frame; 3. a cooling tank; 4. a first screening bin; 5. a second screening bin; 6. a through hole; 7. a first screening frame; 8. a second screening frame; 9. a circulation pump; 10. a water delivery pipe; 11. a rectangular clamping groove; 12. a fixing plate; 13. blocking the screen plate; 14. a fan; 15. a radiating pipe; 16. a heat sink; 17. a blocking plate; 18. a handle.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in figures 1, 2, 3, 4 and 5, the cooling device for halogen-free flame retardant plastic particles of the present invention comprises a bottom plate 1 and an L-shaped fixing frame 2, wherein the L-shaped fixing frame 2 is fixed at one end of the top of the bottom plate 1, one end of the top of the L-shaped fixing frame 2 is fixedly provided with a cooling box 3, the other end of the top of the L-shaped fixing frame 2 is fixedly provided with a first screening box 4, the top end of the first screening box 4 is flush with the bottom end of the cooling box 3, the other end of the top of the bottom plate 1 is fixedly provided with a second screening box 5, the top end of the second screening box 5 is flush with the bottom end of the first screening box 4, the inner cavity of the cooling box 3 is provided with an intercepting mechanism near one end of the first screening box 4 and the inner cavity of the first screening box 4 is provided with a through hole 6 near the bottom of one end of the second screening box 5, first screening frame 7 has been placed to first screening case 4 inside, second screening frame 8 has been placed to second screening case 5 inside, the fixed 2 inner chambers of L shape are close to the fixed circulating pump 9 that is equipped with of 5 one end of second screening case, the fixed water pipe that is equipped with of water inlet of circulating pump 9, the tip of water pipe runs through the bottom intercommunication of the fixed frame 2 of L shape and second screening frame 8 inner chamber, the inner chamber is kept away from second screening frame 8 one end and is provided with heat dissipation mechanism in the fixed frame 2 of L shape, the water inlet intercommunication of circulating pump 9 delivery port and heat dissipation mechanism, the fixed raceway 10 of pegging graft in the top that first screening case 4 one end was kept away from to cooler bin 3, the tip of raceway 10 runs through the fixed frame 2 of L shape and.

Wherein, the interception mechanism comprises two rectangular clamping grooves 11, a fixed plate 12 and a blocking screen 13, the two rectangular clamping grooves 11 are respectively arranged at two sides of the inner cavity of the first screening box 4, two sides of the fixed plate 12 are respectively inserted in the two rectangular clamping grooves 11 in a sliding way, the blocking screen 13 is fixedly embedded at the bottom of the front surface of the fixed plate 12, the blocking screen 13 is arranged opposite to the through hole 6, the fixed plate 12 and the blocking screen 13 can block the solid matters in the cooling box 3 and the first screening box 4, this facilitates cleaning of the first screen frame 7 inside the first screen box 4 and the second screen frame 8 inside the second screen box 5, when the first screening frame 7 or the second screening frame 8 is taken out, it is ensured that the solids in the cooling box 3 or the first screening box 4 do not enter the first screening box 4 or the second screening box 5.

Wherein, the heat dissipation mechanism includes two fans 14, a cooling tube 15 and a plurality of fin 16, two fans 14 are fixed respectively in the both sides of the fixed frame 2 inner chamber of L shape, and the wind direction of two fans 14 is unanimous, the top and the bottom of a plurality of fin 16 are respectively with the top and the bottom fixed connection of the fixed frame 2 inner chamber of L shape, and a plurality of fin 16 evenly distributed, a plurality of fin 16 and fan 14 vertical setting, the one end of cooling tube 15 and the outlet pipe intercommunication of circulating pump 9, the other end of cooling tube 15 is the S-shaped and makes a round trip to run through fin 16 and communicate with the tip of raceway 10, at first cooling tube 15 can be with the hydrothermal heat conduction of its inside flow to fin 16, utilize fan 14 to accelerate the air flow and take away the temperature on fin 16 surface, just so can carry out good heat dissipation to the hot water.

The radiating pipe 15 made of copper material, the radiating fin 16 made of aluminum alloy and the cross section of the radiating fin 16 in the shape of fin are made of copper, the radiating pipe 15 made of copper material has good heat conduction performance and can transfer the temperature of hot water in the radiating pipe 15 to the radiating fin 16, and the cross section of the radiating fin 16 in the shape of fin can increase the contact area between the radiating fin 16 and air.

Wherein, the both sides on 4 tops of first screening case and the both sides on 5 tops of second screening case are all fixed and are equipped with barrier plate 17, wherein one side of two barrier plates 17 on 4 first screening cases all with 3 end fixed connections of cooler bin, wherein one side of two barrier plates 17 on 5 second screening cases all with 4 end fixed connections of first screening cases, set up barrier plate 17 in the both sides at 5 tops of first screening case 4 and second screening cases, can block discharged water and plastic granules in the through-hole 6, can surface water or plastic granules drop subaerially like this.

Wherein, the both sides at first screening frame 7 and the 8 tops of second screening frame are all fixed and are equipped with handle 18, and the equal fixed parcel in surface of four handles 18 has the sponge cover, sets up handle 18 and can make things convenient for operating personnel to carry out first screening frame 7 or second screening frame 8, sets up the sponge cover on the surface of handle 18 and can let when operating personnel uses more comfortable.

Wherein, the fixed flush mounting in one end of the fixed frame 2 of L shape is equipped with flush mounting plate of switch, is provided with heat dissipation switch and cycle switch on the flush mounting plate of switch, and circulating pump 9 passes through cycle switch and external power supply electric connection, and two fans 14 all pass through heat dissipation switch and external power supply electric connection.

During operation, the device is placed at a material conveying port of an extruder, plastic particles extruded by the extruder directly fall into the cooling box 3, the cooling box 3 is used for carrying out primary cold setting on the extruded plastic particles, then the plastic particles flow into the first screening frame 7 from the through hole 6 along with water flow, the first screening frame 7 is used for screening the plastic particles, so that small particles can flow out from the through hole 6 and enter the second screening frame 8, large particles can be left in the first screening frame 7, screening is carried out while cooling, secondary screening is not needed, time can be saved, work efficiency is improved, in addition, after partial plastic particles are gathered in the first screening frame 7 or the second screening frame 8, the fixing plate 12 can be inserted into the blocking screen plate 13, and therefore the first screening frame 7 or the second screening frame 8 can be taken out, the cooling box 3 or the plastic particles in the first screening box 4 do not need to be worried about to move continuously, so that the first screening frame 7 or the second screening frame 8 can be taken out in time, and when the plastic particles in the first screening frame 7 or the second screening frame 8 are not cooled safely, the plastic particles are re-melted and remolded, and thus, the waste of heat is avoided; meanwhile, when the water cooler works, the heat dissipation switch and the circulation switch are turned on, water for cooling flows into the first screening box 4 through the cooling box 3 and then flows into the second screening box 5, the cold water absorbs heat of plastic particles to become hot, then the circulating pump 9 pumps hot water in the second screening box 5 out, the circulating pump 9 is preferably of a CSM-55RM type and conveys the hot water to the inside of the radiating pipe 15, the radiating pipe 15 conducts the heat of the hot water in the radiating pipe to the radiating fins 16, the two fans 14 can accelerate the flow of air, so that the heat on the radiating fins 16 can be quickly taken away by the air, the purpose of cooling the hot water is further achieved, the cooled water enters the inside of the cooling box 3 through the water conveying pipe 10, and the water resources can be saved by using the circulation and reciprocation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cooling device for halogen-free flame-retardant plastic particles comprises a bottom plate (1) and an L-shaped fixing frame (2), and is characterized in that the L-shaped fixing frame (2) is fixed at one end of the top of the bottom plate (1), a cooling box (3) is fixedly arranged at one end of the top of the L-shaped fixing frame (2), a first screening box (4) is fixedly arranged at the other end of the top of the L-shaped fixing frame (2), the top end of the first screening box (4) is flush with the bottom end of the cooling box (3), a second screening box (5) is fixedly arranged at the other end of the top of the bottom plate (1), the top end of the second screening box (5) is flush with the bottom end of the first screening box (4), the inner cavity of the cooling box (3) is close to one end of the first screening box (4) and the inner cavity of the first screening box (4) is close to one end of the second screening box (, the cooling box (3) is close to the bottom of one end of the first screening box (4), the bottom of one end of the first screening box (4) is close to the second screening box (5), through holes (6) are formed in the bottom of one end of the first screening box (4), a first screening frame (7) is placed in the first screening box (4), a second screening frame (8) is placed in the second screening box (5), a circulating pump (9) is fixedly arranged at one end, close to the second screening box (5), of the inner cavity of the L-shaped fixing frame (2), a water pipe is fixedly arranged at a water inlet of the circulating pump (9), the end part of the water pipe penetrates through the bottom of the inner cavity of the L-shaped fixing frame (2) and the bottom of the inner cavity of the second screening frame (8) to be communicated, a heat dissipation mechanism is arranged at one end, far away from the second screening frame (8), of the inner cavity of the L-shaped fixing, the top of one end, far away from the first screening box (4), of the cooling box (3) is fixedly connected with a water pipe (10) in an inserted mode, and the end portion of the water pipe (10) penetrates through the L-shaped fixing frame (2) to be communicated with a water outlet of the heat dissipation mechanism.

2. The cooling device for halogen-free flame-retardant plastic particles as claimed in claim 1, wherein the intercepting mechanism comprises two rectangular clamping grooves (11), a fixing plate (12) and a blocking screen (13), the two rectangular clamping grooves (11) are respectively formed on two sides of the inner cavity of the first screening box (4), two sides of the fixing plate (12) are respectively inserted into the two rectangular clamping grooves (11) in a sliding manner, the blocking screen (13) is fixedly embedded at the bottom of the front face of the fixing plate (12), and the blocking screen (13) is opposite to the through hole (6).

3. The cooling device for halogen-free flame-retardant plastic granules according to claim 1, the heat dissipation mechanism comprises two fans (14), a heat dissipation pipe (15) and a plurality of heat dissipation fins (16), the two fans (14) are respectively fixed at two sides of the inner cavity of the L-shaped fixed frame (2), the wind directions of the two fans (14) are consistent, the top ends and the bottom ends of the plurality of radiating fins (16) are respectively and fixedly connected with the top end and the bottom end of the inner cavity of the L-shaped fixed frame (2), and a plurality of the radiating fins (16) are uniformly distributed, a plurality of the radiating fins (16) are vertically arranged with the fan (14), one end of the radiating pipe (15) is communicated with a water outlet pipe of the circulating pump (9), the other end of the radiating pipe (15) is S-shaped and penetrates through the radiating fin (16) back and forth and is communicated with the end part of the water conveying pipe (10).

4. The cooling device for halogen-free flame-retardant plastic granules as claimed in claim 3, wherein said heat dissipating pipe (15) is made of copper and said heat dissipating fin (16) is made of aluminum alloy.

5. The cooling device for halogen-free flame retardant plastic particles according to claim 1, wherein two sides of the top end of the first screening box (4) and two sides of the top end of the second screening box (5) are both fixedly provided with blocking plates (17), one of the two blocking plates (17) on the first screening box (4) is fixedly connected with the end of the cooling box (3), and one of the two blocking plates (17) on the second screening box (5) is fixedly connected with the end of the first screening box (4).

6. The cooling device for halogen-free flame-retardant plastic particles as claimed in claim 1, wherein handles (18) are fixedly arranged on both sides of the top of the first screening frame (7) and the top of the second screening frame (8), and the surfaces of the four handles (18) are fixedly wrapped with sponge sleeves.

7. The cooling device for halogen-free flame-retardant plastic particles as claimed in claim 3, wherein a switch panel is fixedly embedded at one end of the L-shaped fixing frame (2), a heat dissipation switch and a circulation switch are arranged on the switch panel, the circulation pump (9) is electrically connected with an external power supply through the circulation switch, and the two fans (14) are electrically connected with the external power supply through the heat dissipation switch.