CN216172607U

CN216172607U - Extrusion cooling pre-crushing all-in-one machine

Info

Publication number: CN216172607U
Application number: CN202121310924.3U
Authority: CN
Inventors: 郭容新
Original assignee: Foshan Sanshuili Powder Technology Co ltd
Current assignee: Foshan Sanshuili Powder Technology Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2022-04-05
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses an extrusion cooling pre-crushing integrated machine which comprises a screw extruder, a tabletting device, a cooling conveyer belt and a crushing device which are sequentially arranged; the tabletting device comprises a pair of cooling compression rollers and a compression roller driving mechanism for driving the cooling compression rollers to rotate, wherein the pair of cooling compression rollers are horizontally arranged, a gap between the pair of cooling compression rollers is arranged below a discharge port of the screw extruder, and a cold water cavity is arranged in the cooling compression rollers; the cooling conveyer belt is including frame, conveyer belt, drive the conveyer belt actuating mechanism of conveyer belt operation, cover in fan housing on the conveyer belt pay-off route and set up in the cooling blower of conveyer belt tail section parallel connection draft hood.

Description

Extrusion cooling pre-crushing all-in-one machine

Technical Field

The utility model relates to the field of powder coating production equipment, in particular to an extrusion cooling and pre-crushing integrated machine.

Background

The traditional paint has the defects of large pollution, pungent smell, influence on human health and the like, and along with the increasingly strong concept of environmental protection, the process of replacing the traditional paint with the thermosetting powder coating is also more and more widely applied. Compared with the traditional paint, the thermosetting powder coating has the advantages of environmental protection, safety, no peculiar smell and the like. The production process of powder coatings generally comprises the following steps: preparing materials, melt extruding, tabletting and forming, crushing and crushing to obtain the powder coating. The extruded molten material needs to be cooled and shaped in the tabletting and forming process, the existing production equipment generally depends on natural cooling, the cooling efficiency is low, and for the material with lower partial solidification temperature, subsequent crushing and crushing processes can be influenced and corresponding processing equipment can be damaged if the material cannot be cooled and shaped quickly.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides the extrusion cooling pre-crushing all-in-one machine which is novel and reliable in structure, high in automation degree and reasonable in flow.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: an extrusion cooling pre-crushing integrated machine comprises a screw extruder, a tabletting device, a cooling conveyer belt and a crushing device which are arranged in sequence; the tabletting device comprises a pair of cooling compression rollers and a compression roller driving mechanism for driving the cooling compression rollers to rotate, wherein the pair of cooling compression rollers are horizontally arranged, a gap between the pair of cooling compression rollers is arranged below a discharge port of the screw extruder, and a cold water cavity is arranged in the cooling compression rollers; the cooling conveyer belt is including frame, conveyer belt, drive the conveyer belt actuating mechanism of conveyer belt operation, cover in fan housing on the conveyer belt pay-off route and set up in the cooling blower of conveyer belt tail section parallel connection draft hood.

The utility model has the beneficial effects that: the extrusion cooling pre-crushing integrated machine provided by the utility model is provided with a screw extruder, a tabletting device, a cooling conveyer belt and a crushing device, and can sequentially realize the processes of melt extrusion, tabletting molding, cooling setting and pre-crushing.

The raw materials are discharged from a discharge port of the screw extruder after being melted and mixed in the screw extruder, the materials are still in a melting state and fall into a gap between two cooling press rollers during discharging, the materials can be preliminarily cooled through a cold water cavity arranged in the cooling press rollers and extruded into a sheet belt shape through the opposite pressing effect of the cooling press rollers and conveyed through a cooling conveyer belt, the ventilation hood is positioned in a conveying path of the materials, the ventilation hood can be used as an air channel of a cooling fan to continuously cool the sheet belt-shaped materials in the ventilation hood so as to cool and shape the sheet belt-shaped materials, and meanwhile, the ventilation hood can also protect the materials from being polluted. After the material is conveyed to the tail end of the cooling conveyer belt and is completely cooled, the sheet-shaped material is continuously crushed by the crushing device.

The process automation degree is high, all the process flows are connected smoothly, and continuous production is facilitated.

Preferably, the conveyer belt includes the soft area that sets up in the left and right sides and the many die-pins of lapping between the soft area of both sides, each the die-pin is the equidistant range. Because the distance exists between each two support rods, the contact area between the materials and the conveying belt can be reduced, and the cooling and heat dissipation of the conveying belt are facilitated.

Preferably, both ends of the cold water cavity are respectively connected with a water inlet pipe 212 and a water outlet pipe through rotary joints. The cold water circulation in the cold water cavity can be kept at low temperature by utilizing the water inlet pipe and the water discharge pipe, so that the cooling compression roller can continuously cool and cool the material.

Preferably, the press roll driving mechanism comprises a first transmission gear and a second transmission gear which are respectively coaxially connected with the two cooling press rolls and are meshed with each other, a first driven pulley and a first driving pulley which are coaxially connected with one of the two cooling press rolls, a first transmission belt which is in transmission connection with the first driven pulley and the first driving pulley, and a first speed reducing motor which drives the first driving pulley; the conveying belt driving mechanism comprises a first conveying belt wheel arranged at the front end of the conveying belt, a second conveying belt wheel arranged at the tail end of the conveying belt, a second driven belt wheel coaxially connected with the first conveying belt wheel, a second driving belt wheel and a second driving belt in transmission connection with the second driven belt wheel and the second driving belt wheel, and the second driving belt wheel is driven by the first speed reducing motor. Because the compression roller driving mechanism and the conveying belt driving mechanism are driven by the first speed reducing motor, the synchronous operation of the compression roller driving mechanism and the conveying belt driving mechanism can be favorably kept.

Preferably, the fan housing comprises a plurality of fan housing single bodies which are closely arranged along the length direction of the cooling conveyor belt, and each fan housing single body is hinged with the frame. Through above-mentioned structure can realize that the fan housing monomer opens so that the operation personnel observe inside the draft hood alone.

Preferably, the crushing device comprises a pair of crushing rollers arranged up and down and a crushing driving mechanism for driving the pair of crushing rollers to synchronously and reversely rotate, and the surfaces of the crushing rollers are provided with a plurality of rows of convex teeth. The material can be crushed by utilizing the extrusion crushing effect of the pair of crushing rollers on the material.

Preferably, the crushing driving mechanism comprises a third transmission gear and a fourth transmission gear which are respectively coaxially connected with the pair of crushing rollers and are meshed with each other, and a second speed reduction motor which is coaxially connected with one of the crushing rollers.

Drawings

Fig. 1 is a side view of the present invention.

FIG. 2 is a side view of the present invention (without the screw extruder).

Fig. 3 is a partially enlarged view of the area a in fig. 2.

Fig. 4 is a partially enlarged view of a region B in fig. 2.

FIG. 5 is a top view of the present invention (without the screw extruder).

Figure 6 is a top view of a sheeting apparatus of the present invention.

Fig. 7 is a top view of the conveyor belt of the present invention.

Wherein, 1-screw extruder, 2-sheet pressing device, 21-cooling press roll, 211-cold water cavity, 212-water inlet pipe, 213-water outlet pipe, 221-first transmission gear, 222-second transmission gear, 223-first driven pulley, 224-first driving pulley, 225-first transmission belt, 3-cooling transmission belt, 31-frame, 32-transmission belt, 321-supporting rod, 322-soft belt, 331-first transmission pulley, 332-second transmission pulley, 333-second driven pulley, 334-second transmission belt, 34-wind cover, 341-wind cover monomer, 35-cooling fan, 4-crushing device, 41-crushing roller, 421-third transmission gear, 422-fourth transmission gear, 51-a first gear motor, 52-a second gear motor.

Detailed Description

The claimed invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 7, the extrusion cooling and pre-crushing all-in-one machine in the embodiment includes a screw extruder 1, a tabletting device 2, a cooling conveyer belt 3 and a crushing device 4 which are sequentially arranged.

The tabletting device 2 comprises a pair of cooling compression rollers 21 and a compression roller driving mechanism for driving the cooling compression rollers 21 to rotate, the pair of cooling compression rollers 21 are horizontally arranged, a gap between the pair of cooling compression rollers 21 is arranged below a discharge hole of the screw extruder 1, a cold water cavity 211 is arranged in the cooling compression rollers 21, and two ends of the cold water cavity 211 are respectively connected with a water inlet pipe 212 and a water outlet pipe 213 through rotary joints. In this embodiment, the water inlet pipe 212 of the water outlet pipe 213 can be connected to a cooling tower or a cooling water tank, so as to realize circulation cooling to keep the temperature of water in the cold water cavity 211 low, so as to keep the cooling capacity of the cooling press roll 21 stable, and continuously cool the material.

The press roll driving mechanism comprises a first transmission gear 221 and a second transmission gear 222 which are respectively coaxially connected with the two cooling press rolls 21 and are meshed with each other, a first driven pulley 223 and a first driving pulley 224 which are coaxially connected with one of the cooling press rolls 21, a first transmission belt 225 which is in transmission connection with the first driven pulley 223 and the first driving pulley 224, and a first speed reducing motor 51 which drives the first driving pulley 224.

The cooling conveyer belt 3 comprises a frame 31, a conveyer belt 32, a conveyer belt driving mechanism for driving the conveyer belt 32 to run, a fan cover 34 covering the conveyer belt 32 on a feeding path, and a cooling fan 35 arranged at the tail section of the conveyer belt 32 and connected with the fan cover 34. In this embodiment, the conveyor belt 32 includes the soft belts 322 disposed on the left and right sides and the plurality of support rods 321 overlapping between the soft belts 322 on the two sides, and the support rods 321 are arranged at equal intervals, so that the contact area between the material and the conveyor belt 32 can be reduced and the cooling and heat dissipation of the material can be facilitated due to the gaps between the support rods 321. The fan housing 34 includes a plurality of fan housing units 341 closely arranged along the length direction of the cooling conveyor 3, and each fan housing unit 341 is hinged to the frame 31, so that the fan housing unit 341 can be opened independently to facilitate an operator to observe the inside of the fan housing 34.

The conveying belt driving mechanism comprises a first conveying belt wheel 331 arranged at the front end of the conveying belt 32, a second conveying belt wheel 332 arranged at the tail end of the conveying belt 32, a second driven belt wheel 333 coaxially connected with the first conveying belt wheel 331, a second driving belt wheel and a second transmission belt 334 in transmission connection with the second driven belt wheel 333 and the second driving belt wheel, wherein the second driving belt wheel is driven by the first speed reducing motor 51. Because the compression roller driving mechanism and the conveying belt driving mechanism are driven by the first speed reducing motor 51, the synchronous operation of the compression roller driving mechanism and the conveying belt driving mechanism can be favorably kept, and the operation speeds of the compression roller driving mechanism and the conveying belt driving mechanism can be kept coordinated.

The crushing device 4 includes a pair of crushing rollers 41 disposed up and down and a crushing driving mechanism for driving the pair of crushing rollers 41 to rotate in opposite directions synchronously, and a plurality of rows of convex teeth are disposed on the surface of the crushing rollers 41. The crushing driving mechanism comprises a third transmission gear 421 and a fourth transmission gear 422 which are respectively coaxially connected with the pair of crushing rollers 41 and are mutually meshed, and a second speed reducing motor 52 which is coaxially connected with one of the crushing rollers 41.

The working principle of the extrusion cooling pre-crushing all-in-one machine in the embodiment is as follows: the raw materials are discharged from a discharge port of the screw extruder 1 after being melted and mixed in the screw extruder 1, the materials are still in a melting state and fall into a gap between the two cooling press rollers 21 during discharging, the materials can be preliminarily cooled through the cold water cavity 211 arranged in the cooling press rollers 21 and extruded into a sheet strip shape through the opposite pressing effect of the cooling press rollers 21 and are conveyed through the cooling conveying belt 3, the ventilation hood 34 is positioned in a conveying path of the materials, the ventilation hood 34 can be used as an air channel of the cooling fan 35 to continuously cool the sheet strip materials in the ventilation hood to cool and shape the sheet strip materials, and meanwhile, the ventilation hood 34 can also protect the materials from being polluted. After the material has been conveyed to the end of the cooling conveyor 3 and has been completely cooled, the sheet-like material is continuously comminuted by the comminution apparatus 4.

The above-described embodiments are merely preferred embodiments of the present invention, which is not intended to limit the present invention in any way. Those skilled in the art can make many changes and modifications to the disclosed embodiments, or modify equivalent embodiments to practice the disclosed embodiments, without departing from the scope of the disclosed embodiments. Therefore, equivalent variations made according to the idea of the present invention should be covered within the protection scope of the present invention without departing from the contents of the technical solution of the present invention.

Claims

1. The utility model provides an extrusion cooling pre-crushing all-in-one which characterized in that: comprises a screw extruder (1), a tabletting device (2), a cooling conveyer belt (3) and a crushing device (4) which are arranged in sequence; the tabletting device (2) comprises a pair of cooling compression rollers (21) and a compression roller driving mechanism for driving the cooling compression rollers (21) to rotate, the cooling compression rollers (21) are horizontally arranged, a gap between the cooling compression rollers (21) is arranged below a discharge port of the screw extruder (1), and a cold water cavity (211) is arranged in the cooling compression rollers (21); the cooling conveying belt (3) comprises a frame (31), a conveying belt (32) and a driving mechanism, a fan cover (34) covers the conveying belt (32) on a conveying path and a cooling fan (35) arranged at the tail section of the conveying belt (32) and connected with the fan cover (34).

2. The integrated extrusion cooling and pre-crushing machine as claimed in claim 1, wherein: the conveying belt (32) comprises soft belts (322) arranged on the left side and the right side and a plurality of support rods (321) lapped between the soft belts (322) on the two sides, and the support rods (321) are arranged at equal intervals.

3. The integrated extrusion cooling and pre-crushing machine as claimed in claim 1, wherein: both ends of the cold water cavity (211) are respectively connected with a water inlet pipe (212) and a water outlet pipe (213) through rotary joints.

4. The integrated extrusion cooling and pre-crushing machine as claimed in claim 1, wherein: the compression roller driving mechanism comprises a first transmission gear (221) and a second transmission gear (222) which are respectively coaxially connected with the two cooling compression rollers (21) and are meshed with each other, a first driven pulley (223) which is coaxially connected with one of the cooling compression rollers (21), a first driving pulley (224), a first transmission belt (225) which is in transmission connection with the first driven pulley (223) and the first driving pulley (224), and a first speed reducing motor (51) which drives the first driving pulley (224);

the conveying belt driving mechanism comprises a first conveying belt wheel (331) arranged at the front end of the conveying belt (32), a second conveying belt wheel (332) arranged at the tail end of the conveying belt (32), a second driven belt wheel (333) coaxially connected with the first conveying belt wheel (331), a second driving belt wheel and a second transmission belt (334) in transmission connection with the second driven belt wheel (333) and the second driving belt wheel, and the second driving belt wheel is driven by the first speed reducing motor (51).

5. The integrated extrusion cooling and pre-crushing machine as claimed in claim 1, wherein: the fan cover (34) comprises a plurality of fan cover single bodies (341) which are closely arranged along the length direction of the cooling conveying belt (3), and each fan cover single body (341) is hinged with the rack (31).

6. The integrated extrusion cooling and pre-crushing machine as claimed in claim 1, wherein: the crushing device (4) comprises a pair of crushing rollers (41) which are arranged up and down and a crushing driving mechanism which drives the pair of crushing rollers (41) to rotate in opposite directions synchronously, and a plurality of rows of convex teeth are arranged on the surface of each crushing roller (41).

7. The integrated extrusion cooling and pre-crushing machine according to claim 6, wherein: the crushing driving mechanism comprises a third transmission gear (421) and a fourth transmission gear (422) which are respectively coaxially connected with the pair of crushing rollers (41) and are mutually meshed, and a second speed reducing motor (52) which is coaxially connected with one of the crushing rollers (41).