CN213412595U

CN213412595U - Plastic granules pre-heater

Info

Publication number: CN213412595U
Application number: CN202022270653.5U
Authority: CN
Inventors: 卢文彪
Original assignee: Dongguan Aleng Plastic Materials Co ltd
Current assignee: Dongguan Aleng Plastic Materials Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-06-11
Anticipated expiration: 2030-10-13

Abstract

The utility model discloses a plastic particle preheater, which comprises a bottom plate, a screening box, a hoisting machine and a preheating box, wherein the screening box, the hoisting machine and the preheating box are arranged above the bottom plate, the hoisting machine is positioned between the screening box and the preheating box, the top end of the screening box is communicated and provided with a feeding hopper, the side surface of the screening box is clamped and provided with a collecting box, the bottom end of the screening box is communicated and provided with a first discharge hopper, the feeding hole of the hoisting machine is positioned under the first discharge hopper, the discharge hole of the hoisting machine is communicated and provided with a feeding hole at the top end of the preheating box, and the bottom end of the preheating box is communicated and provided with a second discharge hopper with a control valve; the top fixed welding of preheating cabinet has two sets of position symmetry's pneumatic cylinder, and two sets of the top fixed welding of pneumatic cylinder has the mounting panel. This plastic granules pre-heater not only can make plastic granules thermally equivalent, and can filter plastic granules before preheating.

Description

Plastic granules pre-heater

Technical Field

The utility model belongs to the technical field of the plastic granules processing equipment, concretely relates to plastic granules pre-heater.

Background

The plastic particles refer to granular plastics, and are generally divided into more than 200 types and are subdivided into thousands of types. Common plastic particles include general plastics, engineering plastics and special plastics. General plastics are polypropylene, polyethylene, polyvinyl chloride, polystyrene, polyester, polyurethane and the like. Engineering plastics including nylon, PTFE, polyformaldehyde, polycarbon organosilicon, etc. Special plastics, such as thermosetting plastics and functional polymer plastics, such as artificial kidney. Before reprocessing plastic granules, need preheat plastic granules usually, the homogenization degree that the equipment used in the existing market laid leads to its easy appearance uneven phenomenon of being heated because of plastic granules is different, and the uneven adhesion phenomenon that easily leads to taking place between the plastic granules of being heated, and then influences plastic granules's follow-up use, common plastic granules are in quiescent condition at preheating the in-process simultaneously, and quiescent condition easily makes the local overheated phenomenon in bottom appear in the plastic granules layer.

Therefore, in order to meet the current situation, the design and production of a plastic particle preheater are urgently needed to meet the requirements of practical use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic granules pre-heater to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a plastic particle preheater comprises a bottom plate, a screening box, a lifting machine and a preheating box, wherein the screening box, the lifting machine and the preheating box are arranged above the bottom plate, the lifting machine is positioned between the screening box and the preheating box, the top end of the screening box is communicated and provided with a feed hopper, the side surface of the screening box is clamped and provided with a collecting box, the bottom end of the screening box is communicated and provided with a first discharge hopper, the feed inlet of the lifting machine is positioned under the first discharge hopper, the discharge outlet of the lifting machine is communicated and provided with the feed inlet at the top end of the preheating box, and the bottom end of the preheating box is communicated and provided with a second discharge hopper with a control valve;

the top fixed welding of preheating cabinet has the pneumatic cylinder of two sets of position symmetry, and is two sets of the top fixed welding of pneumatic cylinder has the mounting panel, there is driving motor on the top of mounting panel through bolt fixed mounting, driving motor's output shaft runs through the through-hole on mounting panel and preheating cabinet top in proper order and extends to the preheating cabinet inner chamber, and the output shaft has the transmission shaft through the coupling joint, the fixed welding in side of transmission shaft has the stirring rake that the multiunit annular array distributes, the fixed welding in side of preheating cabinet has the thing board, just there are electric heat box and air-blower on the top of thing board through bolt fixed mounting.

Preferably, the inner wall of screening case is provided with multiunit staggered arrangement's stock guide, the multiunit the side of stock guide is articulated through the inner wall of hinge and screening case, and the multiunit equal fixed weld has the spring between the bottom of stock guide and the inner wall of screening case, the inner chamber of screening case is provided with the screening board, the spout and a set of mounting groove that match mutually with the screening board are seted up to the inner wall of screening case, screening board and screening case sliding connection, fixed mounting has the telescopic link in the mounting groove, just the top of telescopic link and the bottom mounting welding of screening board, the bottom butt of screening board has two sets of position symmetry's vibrator, and is two sets of the other end of vibrator and the inner wall fixed weld of screening case.

Preferably, a ventilation pipe is connected between an outlet pipe of the blower and an inlet pipe of the electric heating box through a flange, and another group of ventilation pipes is connected between an outlet pipe of the electric heating box and an air inlet pipe of the preheating box through a flange.

Preferably, the top of preheating cabinet has seted up vertical vent, and the vent inner wall is inlayed and is installed the dust screen, the side of screening case is seted up and is collected the ejection of compact logical groove of box looks adaptation, and ejection of compact logical groove department installs solenoid valve.

Preferably, the bottom ends of the screening box and the preheating box are fixedly welded with a plurality of groups of supporting legs distributed in an annular array, and the bottom ends of the plurality of groups of supporting legs are fixedly welded with the bottom plate.

The utility model discloses a technological effect and advantage: according to the plastic particle preheater, the transmission shaft and the stirring paddle are matched for use, so that the stirring paddle rotates to stir the plastic particles, the plastic particles are uniformly heated, and the overall preheating efficiency can be improved; the hydraulic cylinder is beneficial to enabling the transmission shaft and the stirring paddle to move up and down, so that the plastic particles can move up and down, namely the plastic particles can be uniformly heated; plastic particles or other magazines which do not meet the production requirements need to be screened out before the subsequent processing of the plastic particles, and the screening box and the hoister are matched for use, so that the plastic particles can be directly preheated after being screened, the operation place does not need to be replaced, and the integral production efficiency is improved; due to the material guide plate and the spring, the plastic particles can fall onto the screening plate at a constant speed in a small amount, and the subsequent screening operation of the plastic particles is facilitated; this plastic granules pre-heater not only can make plastic granules thermally equivalent, and can filter plastic granules before preheating.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic structural view of the preheating box of the present invention;

fig. 3 is a cross-sectional view of the screening box of the present invention;

fig. 4 is a sectional view of the preheating box of the present invention.

In the figure: the device comprises a base plate 1, a screening box 2, a hoister 3, a preheating box 4, a feeding hopper 5, a collecting box 6, a first discharging hopper 7, a second discharging hopper 8, a hydraulic cylinder 9, a mounting plate 10, a driving motor 11, a transmission shaft 12, a stirring paddle 13, a storage plate 14, an electric heating box 15, a blower 16, a guide plate 17, a spring 18, a screening plate 19, a telescopic rod 20, a vibrator 21 and supporting legs 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Unless defined otherwise, all references to up, down, left, right, front, back, inner and outer directions herein are to be interpreted as referring to up, down, left, right, front, back, inner and outer directions in the drawings to which the invention is applied, and all references are hereby incorporated herein by reference.

The utility model provides a plastic particle preheater as shown in figures 1-4, which comprises a bottom plate 1, a screening box 2, a lifting machine 3 and a preheating box 4, wherein the screening box 2, the lifting machine 3 and the preheating box 4 are arranged above the bottom plate 1, the hoister 3 is positioned between the screening box 2 and the preheating box 4, the top end of the screening box 2 is communicated with and provided with a feed hopper 5, a collecting box 6 is clamped and installed on the side surface of the screening box 2, a first discharge hopper 7 is communicated and installed at the bottom end of the screening box 2, and the feed inlet of the elevator 3 is positioned under the first discharge hopper 7, the discharge outlet of the elevator 3 is communicated with the feed inlet at the top end of the preheating box 4, the elevator 3 can be a Z-shaped elevator, a support column at the bottom end of the elevator 3 is fixedly welded with the bottom plate, and the bottom end of the preheating box 4 is communicated with and provided with a discharge hopper II 8 with a control valve;

the top fixed welding of preheating cabinet 4 has the pneumatic cylinder 9 of two sets of position symmetry, and is two sets of the top fixed welding of pneumatic cylinder 9 has mounting panel 10, there is driving motor 11 on the top of mounting panel 10 through bolt fixed mounting, driving motor 11's output shaft runs through the through-hole on mounting panel 10 and preheating cabinet 4 top in proper order and extends to preheating cabinet 4 inner chamber, and the output shaft has transmission shaft 12 through the coupling joint, the fixed welding in side of transmission shaft 12 has the stirring rake 13 of multiunit annular array distribution, the fixed welding in side of preheating cabinet 4 has thing board 14, just there are electric heat box 15 and air-blower 16 on the top of thing board 14 through bolt fixed mounting, and the heating wire is installed to electric heat box 15 inner chamber.

Specifically, the inner wall of the screening box 2 is provided with a plurality of groups of guide plates 17 which are arranged in a staggered manner, the side surfaces of the plurality of groups of guide plates 17 are hinged to the inner wall of the screening box 2 through hinges, springs 18 are fixedly welded between the bottom ends of the plurality of groups of guide plates 17 and the inner wall of the screening box 2, the inner cavity of the screening box 2 is provided with a screening plate 19, the inner wall of the screening box 2 is provided with a chute matched with the screening plate 19 and a plurality of mounting grooves, the screening plate 19 is connected with the screening box 2 in a sliding manner, one side of the screening plate 19 close to the collecting box 6 is hinged to the screening box 2, a telescopic rod 20 is fixedly mounted in each mounting groove, the mounting grooves are opposite to the hinged position of the screening plate 19, the telescopic rod 20 can extend to enable retentate at the top end of the screening plate 19 to fall into the collecting box 6, the top end of the telescopic rod 20 is fixedly welded to the bottom end, and the other ends of the two groups of vibrators 21 are fixedly welded with the inner wall of the screening box 2.

Specifically, a ventilation pipe is connected between an outlet pipe of the blower 16 and an inlet pipe of the electric heating box 15 in a flange mode, and another group of ventilation pipes is connected between an outlet pipe of the electric heating box 15 and an air inlet pipe of the preheating box 4 in a flange mode.

Specifically, vertical vent has been seted up on the top of preheating cabinet 4, and the vent inner wall is inlayed and is installed the dust screen, and the dust screen can prevent that outside dust etc. from dropping into preheating cabinet 4 among the operation process, screening box 2's side is seted up and is collected the ejection of compact logical groove of 6 looks adaptations of box, and ejection of compact logical groove department installs solenoid valve.

Specifically, the bottom of screening case 2 and preheating cabinet 4 all fixed weld have the supporting leg 22 that the multiunit annular array distributes, the multiunit the bottom of supporting leg 22 all with bottom plate 1 fixed weld.

According to the working principle, the plastic particle preheater pours plastic particles into the screening box 2 from the feeding hopper 5, the plastic particles fall onto the screening plate 19 through the material guide plate 17, and when the plastic particles fall onto the material guide plate 17, the self gravity of the plastic particles can enable the spring 18 to move, so that the material guide plate 17 vibrates, the plastic particles are favorably scattered onto the screening plate 19, and the phenomenon that the screening effect is influenced because the plastic particles are excessively accumulated on the screening plate 19 is avoided; in the feeding process, the vibrator 21 is in an operating state, the vibrator 21 vibrates to screen plastic particles, qualified plastic particles fall into the elevator 3 through the discharge hopper I7 and are conveyed to the preheating tank 4 through the elevator 3, unqualified plastic particles can be retained at the top end of the screening plate 19, then the telescopic rod 20 is adjusted to enable the screening plate 19 to incline, and the unqualified plastic particles can be conveyed to the collecting box 6 by opening the electromagnetic valve at the discharge through groove; after plastic granules enter the preheating box 4, the driving motor 11, the electric heating box 15 and the air blower 16 are started, the driving motor 11 is started and then drives the stirring paddle 13 to rotate, the stirring paddle 13 is enabled to stir the plastic granules, the hydraulic cylinder 9 is driven to do up-and-down reciprocating motion by the mounting plate 10 in the process, the stirring paddle 13 moves up and down while rotating, uniform heating of the plastic granules is facilitated, and integral preheating efficiency is improved.

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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a plastic granules pre-heater, includes bottom plate (1), screening case (2), lifting machine (3) and preheating cabinet (4), its characterized in that: a screening box (2), a lifting machine (3) and a preheating box (4) are arranged above the bottom plate (1), the lifting machine (3) is located between the screening box (2) and the preheating box (4), the top end of the screening box (2) is communicated with and provided with a feeding hopper (5), the side surface of the screening box (2) is clamped and provided with a collecting box (6), the bottom end of the screening box (2) is communicated and provided with a first discharging hopper (7), the feeding port of the lifting machine (3) is located right below the first discharging hopper (7), the discharging port of the lifting machine (3) is communicated and provided with the feeding port at the top end of the preheating box (4), and the bottom end of the preheating box (4) is communicated and provided with a second discharging hopper (8) with a control valve;

the top fixed welding of preheating cabinet (4) has pneumatic cylinder (9) of two sets of position symmetry, and is two sets of the top fixed welding of pneumatic cylinder (9) has mounting panel (10), there is driving motor (11) on the top of mounting panel (10) through bolt fixed mounting, the output shaft of driving motor (11) runs through the through-hole on mounting panel (10) and preheating cabinet (4) top in proper order and extends to preheating cabinet (4) inner chamber, and the output shaft has transmission shaft (12) through the coupling joint, the fixed welding in side of transmission shaft (12) has stirring rake (13) that the multiunit annular array distributes, the fixed welding in side of preheating cabinet (4) has thing board (14), just the top of thing board (14) has electric heat box (15) and air-blower (16) through bolt fixed mounting.

2. A plastic pellet preheater as set forth in claim 1, wherein: a plurality of groups of guide plates (17) which are arranged in a staggered way are arranged on the inner wall of the screening box (2), the side surfaces of the plurality of groups of guide plates (17) are hinged with the inner wall of the screening box (2) through hinges, springs (18) are fixedly welded between the bottom ends of the plurality of groups of material guide plates (17) and the inner wall of the screening box (2), the inner cavity of the screening box (2) is provided with a screening plate (19), the inner wall of the screening box (2) is provided with a chute and a group of mounting grooves which are matched with the screening plate (19), the screening plate (19) is connected with the screening box (2) in a sliding way, a telescopic rod (20) is fixedly arranged in the mounting groove, the top end of the telescopic rod (20) is fixedly welded with the bottom end of the screening plate (19), the bottom end of the screening plate (19) is connected with two groups of vibrators (21) with symmetrical positions in an abutting mode, and the other ends of the two groups of vibrators (21) are fixedly welded with the inner wall of the screening box (2).

3. A plastic pellet preheater as set forth in claim 1, wherein: a ventilation pipe is connected between an outlet pipe of the blower (16) and an inlet pipe of the electric heating box (15) in a flange mode, and another group of ventilation pipes is connected between an outlet pipe of the electric heating box (15) and an air inlet pipe of the preheating box (4) in a flange mode.

4. A plastic pellet preheater as set forth in claim 1, wherein: vertical vent has been seted up on the top of preheating cabinet (4), and the vent inner wall is inlayed and is installed the dust screen, the ejection of compact that links to each other with collection box (6) looks adaptation is seted up to the side of screening case (2) leads to the groove, and the ejection of compact leads to groove department and installs solenoid valve.

5. A plastic pellet preheater as set forth in claim 1, wherein: the bottom of screening case (2) and preheating cabinet (4) all fixed welding have supporting leg (22) that the multiunit annular array distributes, the multiunit the bottom of supporting leg (22) all with bottom plate (1) fixed welding.