CN108515634B

CN108515634B - Sealing plate device of internal mixer feed door

Info

Publication number: CN108515634B
Application number: CN201810191210.1A
Authority: CN
Inventors: 陈徐平
Original assignee: Zhejiang Kanghao Nuote Decoration Material Co ltd
Current assignee: Zhejiang Kanghao Nuote Decoration Material Co ltd
Priority date: 2018-03-08
Filing date: 2018-03-08
Publication date: 2023-09-01
Anticipated expiration: 2038-03-08
Also published as: CN108515634A

Abstract

The invention provides a sealing plate device of an internal mixer feed door, which comprises a mixing bin and an open mill bin, wherein a feed channel with a square section is arranged between the mixing bin and the open mill bin. The square window is blocked by the discharging plate, so that raw material powder can quickly pass through the feeding channel without leakage.

Description

Sealing plate device of internal mixer feed door

Technical Field

The invention belongs to the technical field of plastic production equipment, and relates to an internal mixer, in particular to a sealing plate device of a feed door of the internal mixer.

Background

The internal mixer, also called kneader, is mainly used for plasticating and mixing rubber. An internal mixer is a machine which is provided with a pair of rotors which are of specific shape and relatively rotate, plasticates and mix polymer materials in a clearance way under a closed state with adjustable temperature and pressure, and mainly comprises a banburying chamber, the rotors, a rotor sealing device, a feeding and pressing device, a discharging device, a transmission device, a machine seat and the like.

The plastic needs to fully mix raw material powder before open mill, so that a mixing bin is also matched with some internal mixers, after the raw materials are fully mixed, a feed gate is opened to enable the mixed raw materials to enter a mixing chamber for processing, but the steps are needed to be carried out, the mixing and the open mill cannot be carried out simultaneously, and after the feed gate is opened, the raw material powder in the mixing bin and the oil fume in the mixing chamber can leak from the feed gate, so that a workshop is polluted.

Disclosure of Invention

The invention aims at solving the problems in the prior art and provides a sealing plate device of an internal mixer feed door, which can prevent oil smoke and dust from leaking.

The aim of the invention can be achieved by the following technical scheme: the utility model provides a shrouding device of banbury mixer feed gate, the banbury mixer includes mixing bunker and open mill storehouse, be equipped with the cross-section between mixing bunker and the open mill storehouse and be square feed channel, a serial communication port, this banbury mixer feed gate's shrouding device includes the row flitch, the fly leaf, connecting rod and track seat, it has square window to open at the feed channel lateral wall, row flitch one end articulates the upper edge at square window, row flitch other end and connecting rod hinge, the track seat is fixed at the feed channel outer wall, the track seat up end is equipped with the slide rail, the fly leaf is inlayed mutually and can slide into square window along the slide rail with the slide rail, the fly leaf up end is equipped with two parallel draw bars, draw bar both ends are fixed with limit baffle, sliding fit is equipped with the slider on the draw bar, be connected with the bracing piece between two sliders, connecting rod one end articulates on the bracing piece, the track seat outer end is fixed with the cylinder, the push rod and the bracing piece of cylinder are connected with the bracing piece.

Further, the moving plate is abutted against the lower edge of the square window.

Further, a sealing baffle is arranged at the discharge port of the mixing bin, and the discharge plate just abuts against the sealing baffle when rotating to a horizontal position.

Further, when the discharging plate is in the horizontal position, the front end of the moving plate abuts against the inner wall of the feeding channel. When the mixing bin is mixing, the upper port of the feeding channel is plugged by the discharging plate, so that dust is prevented from leaking into the feeding channel; meanwhile, the open mill bin is also in a closed state, so that the oil smoke is prevented from entering the feeding channel. Mixing and open mixing are carried out simultaneously, and do not interfere with each other.

Further, the track seat is provided with a vertically arranged rear baffle, the air cylinder is fixed on the outer side of the rear baffle, when the material discharging plate rotates to a vertical position, the front end of the movable plate is flush with the material discharging plate, and the tail end of the movable plate abuts against the rear baffle.

When the air cylinder drives the push rod to move forwards, the slide block moves to the left limit baffle under the action of the push rod, so that the moving plate is pushed to advance towards the feeding channel until the front end of the moving plate abuts against the wall of the feeding channel and then stops; at this time, under the action of the connecting rod, the discharging plate also rotates to a horizontal position, the discharging plate plugs the lower port of the mixing bin, the moving plate plugs the upper port of the open mill bin, and the feeding channel is in a closed state. Raw material powder can be mixed in the mixing bin, plastic is processed in the open mill bin, and the raw material powder and the plastic are not interfered with each other.

After the processing is finished, the plastic in the open mill bin is transferred to the next equipment for processing, and then the raw materials in the mixing bin enter the open mill bin. The cylinder drives the push rod to move backwards, the slide block moves backwards to the limit baffle on the right side, the discharging plate and the moving plate are both opened, then raw materials of the mixing bin continuously fall into the open mixing bin, when the tail end of the moving plate abuts against the rear baffle, the discharging plate is in a vertical state, a square window is plugged, and the feeding channel is in a complete opening state at the moment. In order to reduce the flying-out of dust in the opening process, the opening action is faster, the discharging plate is completely opened when the dust does not fly out of the square window, and the whole opening process is only 1-2 seconds, so that the dust rarely flies out of the square window.

Compared with the prior art, the sealing plate device of the internal mixer feed door has the following advantages:

1. during processing, the mixing bin and the open mill bin are provided with respective plate seals and do not interfere with each other, and can be performed simultaneously;

2. when feeding, the square window is blocked by the discharging plate, so that raw material powder can quickly pass through the feeding channel without leakage.

Drawings

Fig. 1 is a schematic diagram of the closing state structure of a sealing plate device of a feed door of the internal mixer.

Fig. 2 is a schematic diagram of the structure of the opening state of the sealing plate device of the feeding door of the internal mixer.

Fig. 3 is a schematic top view structure of a sealing plate device of the feeding door of the internal mixer.

In the figure, 1, a mixing bin; 2. an open mill bin; 3. a feed channel; 4. a discharge plate; 5. a moving plate; 6. a connecting rod; 7. a track seat; 8. a square window; 9. a slide rail; 10. a slide bar; 11. a limit baffle; 12. a slide block; 13. a support rod; 14. a cylinder; 15. a sealing baffle; 16. a rear baffle; 17. a push rod.

Detailed Description

The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the internal mixer comprises a mixing bin 1 and an open mill bin 2, and a feed channel 3 with a square section is arranged between the mixing bin 1 and the open mill bin 2. The sealing plate device of the internal mixer feed door comprises a discharge plate 4, a movable plate 5, a connecting rod 6 and a track seat 7, wherein a square window 8 is formed in the side wall of a feed channel 3, one end of the discharge plate 4 is hinged to the upper edge of the square window 8, the other end of the discharge plate 4 is hinged to the connecting rod 6, and the connecting rod 6 drives the discharge plate 4 to rotate around a hinge point. The discharge port of the mixing bunker 1 is provided with a sealing baffle 15, and the discharge plate 4 just abuts against the sealing baffle 15 when rotating to a horizontal position.

The track seat 7 is fixed on the outer wall of the feeding channel 3, a slide rail 9 is arranged on the upper end face of the track seat 7, the moving plate 5 is clamped and embedded with the slide rail 9 and can slide into the square window 8 along the slide rail 9, and the moving plate 5 abuts against the lower edge of the square window 8.

The upper end face of the movable plate 5 is provided with two parallel sliding strips 10, limiting baffles 11 are fixed at two ends of the sliding strips 10, sliding blocks 12 are arranged on the sliding strips 10 in a sliding fit mode, a supporting rod 13 is connected between the two sliding blocks 12, one end of a connecting rod 6 is hinged to the supporting rod 13, an air cylinder 14 is fixed at the outer end of the track seat 7, and a push rod 17 of the air cylinder 14 is connected with the supporting rod 13.

When the discharging plate 4 is in the horizontal position, the front end of the moving plate 5 is abutted against the inner wall of the feeding channel 3. When the mixing bin 1 mixes materials, the upper port of the feeding channel 3 is plugged by the discharging plate 4, so that dust is prevented from leaking into the feeding channel 3; at the same time, the open mill bin 2 is also in a closed state, so that the oil smoke is prevented from entering the feeding channel 3. Mixing and open mixing are carried out simultaneously, and do not interfere with each other.

The track seat 7 is provided with a vertically arranged rear baffle 16, the air cylinder 14 is fixed on the outer side of the rear baffle 16, the front end of the moving plate 5 is flush with the discharging plate 4 when the discharging plate 4 rotates to the vertical position, and the tail end of the moving plate 5 abuts against the rear baffle 16.

Working principle: when the air cylinder 14 drives the push rod 17 to move forwards, the sliding block 12 moves to the left limit baffle 11 under the action of the push rod 17, so that the moving plate 5 is pushed to advance towards the feeding channel 3 until the front end of the moving plate 5 abuts against the wall of the feeding channel 3 and then stops; at this time, under the action of the connecting rod 6, the discharging plate 4 also rotates to a horizontal position, the discharging plate 4 plugs the lower port of the mixing bin 1, the moving plate 5 plugs the upper port of the open mill bin 2, and the feeding channel 3 is in a closed state. The mixing bin 1 can be used for mixing raw material powder, the open mill bin 2 is used for processing plastic, and the raw material powder and the plastic are not interfered with each other.

After the processing is finished, the plastic in the open mill bin 2 is transferred to the next equipment for processing, and then the raw materials in the mixing bin 1 enter the open mill bin 2. The cylinder 14 drives the push rod 17 to move backwards, the slide block 12 moves backwards to the right side of the limit baffle 11, the discharging plate 4 and the moving plate 5 are both opened, then raw materials of the mixing bin 1 continuously fall into the open mixing bin 2, when the tail end of the moving plate 5 abuts against the rear baffle 16, the discharging plate 4 is in a vertical state, the square window 8 is blocked, and the feeding channel 3 is in a fully opened state at the moment. In order to reduce the flying-out of dust in the opening process, the opening action is faster, the discharging plate 4 is completely opened when the dust does not fly out of the square window 8, and the whole opening process is only 1-2 seconds, so that the dust rarely flies out of the square window 8.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a shrouding device of banbury mixer feed gate, the banbury mixer includes mixing silo and open mill storehouse, be equipped with the cross-section between mixing silo and the open mill storehouse for square feed channel, a serial communication port, this banbury mixer feed gate's shrouding device includes the flitch of arranging, movable plate, connecting rod and track seat, it has square window to open at the feed channel lateral wall, row flitch one end articulates at square window's upper edge, row flitch other end and connecting rod hinge, the track seat is fixed at the feed channel outer wall, the track seat up end is equipped with the slide rail, the movable plate is embedded mutually and can slide into square window along the slide rail with the slide rail, the movable plate up end is equipped with two parallel draw bars, draw bars both ends are fixed with limit baffle on the draw bar, sliding fit is equipped with the slider between two sliders, connecting rod one end articulates on the bracing piece, the track seat outer end is fixed with the cylinder, the push rod of cylinder is connected with the bracing piece, the movable plate lean against with square window's lower edge, the discharge gate department of mixing silo is equipped with sealing baffle, the flitch just lean against with sealing baffle when rotating to horizontal position, row flitch when horizontal position is in the offset with the sealing baffle, the horizontal position, the back end is in the fixed with the back end when the back end and the back end is arranged to the vertical baffle.