CN216400355U

CN216400355U - Automatic cleaning device of injection molding machine material loading filter screen

Info

Publication number: CN216400355U
Application number: CN202122902996.3U
Authority: CN
Inventors: 叶天涌; 廖钜红
Original assignee: Hongquan Food Packaging Fresh Co ltd
Current assignee: Hongquan Food Packaging Fresh Co ltd
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2022-04-29
Anticipated expiration: 2031-11-19

Abstract

The utility model discloses an automatic cleaning device for a feeding filter screen of an injection molding machine, which relates to the field of feeding of the injection molding machine and aims at solving the problem that the guide efficiency is low because the filter screen after the feeding and filtering of the existing injection molding machine raw materials cannot be cleaned in time. The automatic filter device is novel in structure, and the device not only can realize dynamic filtering treatment during feeding of injection molding raw materials, but also can realize the purpose of automatically cleaning the filter plate, thereby effectively improving the filtering efficiency.

Description

Automatic cleaning device of injection molding machine material loading filter screen

Technical Field

The utility model relates to the field of injection molding machine feeding, in particular to an automatic cleaning device for a feeding filter screen of an injection molding machine.

Background

An injection molding machine is also known as an injection molding machine or an injection machine. It is a main forming equipment for making various shaped plastic products from thermoplastic plastics or thermosetting plastics by using plastic forming mould. The device is divided into a vertical type, a horizontal type and a full-electric type. The injection molding machine can heat the plastic, apply high pressure to the molten plastic, and inject it to fill the mold cavity.

Injection molding machine is when carrying out the material loading, generally need filter it, with its inside impurity discharge, improves injection moulding product quality, and current filter screen can not in time obtain the clearance after carrying out injection molding machine material loading filtering operation to cause its filtration pore to block up, influence its normal guide efficiency, consequently, in order to solve this type of problem, we have proposed an injection molding machine material loading filter screen automation cleaning device.

SUMMERY OF THE UTILITY MODEL

The automatic cleaning device for the feeding filter screen of the injection molding machine provided by the utility model solves the problem that the guide efficiency of the filter screen is low because the filter screen cannot be cleaned in time after the raw material of the existing injection molding machine is fed and filtered.

In order to achieve the purpose, the utility model adopts the following technical scheme:

an automatic cleaning device for a feeding filter screen of an injection molding machine comprises a cylinder body, wherein two groups of symmetrically distributed support rods are fixedly connected to the bottom end of the cylinder body, a feeding hole is formed in the top end of the cylinder body, a feeding hopper is installed at the feeding hole, impurity removing holes are formed in the circumferential side wall of the cylinder body, a discharging hole is formed in the bottom end of the cylinder body, and a second filter plate is installed at the discharging hole;

the utility model discloses a filter, including barrel, dwang, step motor, end cover, step motor's one end cover outer wall fixed mounting has step motor, just step motor's output shaft tip runs through barrel and fixedly connected with dwang, step motor's one end is kept away from to the dwang is rotated with the end cover inner wall of barrel and is connected, the dwang is located four first filters that are the annular array and distribute of the body of rod fixedly connected with of barrel inside.

Through adopting above-mentioned technical scheme, the feeder hopper will mould plastics the raw materials and lead to inside the barrel, then drive the dwang through step motor and rotate, make it drive first filter and rotate, first filter carries out filtration treatment to the raw materials of moulding plastics that enters into the barrel inside, realize dynamic filtration operation, and rethread second filter filters the back, discharge gate by the barrel bottom is discharged this barrel, at first filter pivoted in-process, self through first filter rotates and can make the raw materials of moulding plastics flow or rock in the barrel inside, realize self-cleaning to first filter, first filter is when the second filter simultaneously, can strike off the accumulational impurity in surface of second filter, can realize the cleaning operation of second filter equally.

Preferably, the impurity removing port is arranged along the length direction of the cylinder body, and the impurity removing port is arranged in an inclined manner.

Through adopting above-mentioned technical scheme, the impurity removing port slope is favorable to discharging the impurity that the barrel was filtered out.

Preferably, the second filter is arranged in an arc shape, and the first filter is tightly attached to the inner wall of the cylinder and slides along the inner wall of the second filter.

Through adopting above-mentioned technical scheme, barrel inner wall and second filter are hugged closely to first filter, can realize its clean operation to barrel inner wall and second filter plate surface.

Preferably, the rotation period of the stepping motor is a quarter circle.

Through adopting above-mentioned technical scheme, when step motor drove dwang and first filter and rotate the quarter circle, one of them first filter can flush with removing miscellaneous mouthful to can clear up the impurity on the first filter.

Preferably, the lateral wall that first filter is close to the barrel both ends all rotates and installs first sprocket and second sprocket, and first sprocket and second sprocket set up along the length direction of first filter, and the second sprocket is close to the dwang setting, just first sprocket passes through the chain with the second sprocket and is connected, and the top, the bottom of the chain that are located same first filter both sides are first scraper blade, the second scraper blade of fixedly connected with respectively, just first scraper blade and the surperficial slip of hugging closely first filter of second scraper blade, be provided with actuating mechanism between first sprocket and the barrel.

Through adopting above-mentioned technical scheme, actuating mechanism can be a simple servo motor, also can be that other parts constitute, can make first sprocket rotate, and the transmission of rethread chain drives the second sprocket and rotates, makes first scraper blade and the surperficial slip that first filter was hugged closely to the second scraper blade on the chain from this, strikes off the relatively poor impurity of mobility to first filter plate surface adhesion, improves the self-cleaning efficiency of first filter.

Preferably, actuating mechanism includes first rack board, second rack board and driven gear, just driven gear fixed mounting is in the one side that first filter was kept away from to first sprocket, first rack board fixed mounting is in the circumference inner wall of barrel, and is close to the end cover department setting of barrel, second rack board fixed mounting is in the both ends end cover inner wall of barrel, just the second rack board is located the top of first rack board, driven gear is located between first rack board and the second rack board, and intermeshing.

Through adopting above-mentioned technical scheme, first filter rotates and can drive driven gear and rotate, then make driven gear earlier with first rack plate contact, thereby can make driven gear drive first sprocket and rotate, rethread chain drives first scraper blade and moves to the direction of keeping away from the dwang, the second scraper blade is to the direction motion of being close to the dwang, and discharge the impurity of first filter upper surface this moment through first scraper blade through removing miscellaneous mouthful, when driven gear and second rack plate contact, driven gear antiport this moment, drive chain antiport, then make first scraper blade and second scraper blade move towards the direction opposite before with, before making driven gear next contact with first rack plate, initial position can be got back to first scraper blade and second scraper blade.

Preferably, the first rack plate and the second rack plate are both arranged in a quarter-arc shape.

Through adopting above-mentioned technical scheme, the setting of first rack board and second rack board can match each other with step motor's rotation cycle to can realize the effect of first scraper blade and second scraper blade to first filter plate surface automatic clearance, need not to add unnecessary driving motor and drive, be favorable to environmental protection and energy saving.

The utility model has the beneficial effects that:

fixed connection's first filter rotates on driving the dwang and the dwang body of rod through step motor to can carry out the dynamic filtration through first filter and second filter cooperation to the raw materials of moulding plastics that enter into the barrel inside through the feeder hopper, change traditional static filterable filtration mode, the effectual filter condition of avoiding blocks up takes place, improves its filtration efficiency.

Through the side at first filter set up driven gear and at first rack plate and the second rack plate and the cooperation of barrel inner wall and both ends end cover inner wall setting, thereby can make the change direction of rotation of driven gear intermittent type formula, and through first sprocket, the cooperation of second sprocket and chain can make first scraper blade and second scraper blade do the reciprocating motion of intermittent type formula at the tow sides of first filter, carry out automatic clearance operation to avoiding of first filter, effectively avoid moulding plastics the raw materials and pile up on first filter plate surface, thereby can its guide efficiency of effectual improvement.

In conclusion, the device not only can realize the dynamic filtration processing to when moulding plastics raw materials material loading, can realize the purpose of automatic clearance to its filter simultaneously, effectual improvement its filtration efficiency.

Drawings

FIG. 1 is a schematic structural diagram of an automatic cleaning device for a feeding filter screen of an injection molding machine according to the present invention;

FIG. 2 is a schematic structural diagram of an automatic cleaning device for a feeding filter screen of an injection molding machine after an end cover at one end of a cylinder body is removed;

FIG. 3 is a cross-sectional view of an automatic cleaning device for a feeding filter screen of an injection molding machine according to the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 3 of an automatic cleaning device for a feeding filter screen of an injection molding machine according to the present invention.

Reference numbers in the figures: 1. a barrel; 2. a stepping motor; 3. a feed hopper; 4. a support bar; 5. removing impurities; 6. rotating the rod; 7. a second rack plate; 8. a first squeegee; 9. a second squeegee; 10. a first filter plate; 11. a second sprocket; 12. a driven gear; 13. a chain; 14. a second filter plate; 15. a first sprocket; 16. a first rack plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 and 2, an injection molding machine material loading filter screen automation cleaning device, including barrel 1, two sets of bracing pieces 4 that are the symmetric distribution of the bottom fixedly connected with of barrel 1, and the feed inlet has been seted up on the top of barrel 1, feed inlet department installs feeder hopper 3, miscellaneous mouthful 5 has been seted up to the circumference lateral wall of barrel 1, miscellaneous mouthful 5 sets up along the length direction of barrel 1 that removes, and miscellaneous mouthful 5 is the slope setting, miscellaneous mouthful 5 slopes to be favorable to discharging barrel 1 inside filtration to cross the impurity of crossing, and the discharge gate has been seted up to the bottom of barrel 1, and discharge gate department installs second filter 14.

Referring to fig. 1 and 2, a step motor 2 is fixedly installed on the outer wall of an end cover at one end of a cylinder 1, the rotation period of the step motor 2 is a quarter circle, when the step motor 2 drives a rotating rod 6 and a first filter plate 10 rotates the quarter circle, one of the first filter plates 10 is flush with a sundry removing port 5, thereby being capable of cleaning impurities on the first filter plate 10, an output shaft of the step motor 2 penetrates through the end cover of the cylinder 1 and is fixedly connected with the rotating rod 6, one end of the rotating rod 6 far away from the step motor 2 is rotatably connected with the inner wall of the end cover of the cylinder 1, four first filter plates 10 distributed in an annular array are fixedly connected to a rod body of the rotating rod 6 positioned inside the cylinder 1, a second filter plate 14 is arranged in an arc shape, the first filter plates 10 tightly cling to the inner wall of the cylinder 1 and slide on the inner wall of the second filter plate 14, the first filter plates 10 tightly cling to the inner wall of the cylinder 1 and the second filter plate 14, it is possible to perform its cleaning operation of the inner wall of the cylinder 1 and the surface of the second filter plates 14.

Referring to fig. 2-4, the side walls of the first filter plate 10 close to the two ends of the cylinder 1 are rotatably mounted with a first sprocket 15 and a second sprocket 11, the first sprocket 15 and the second sprocket 11 are arranged along the length direction of the first filter plate 10, the second sprocket 11 is arranged close to the rotating rod 6, the first sprocket 15 and the second sprocket 11 are connected by a chain 13, the top end and the bottom end of the chain 13 at the two sides of the same first filter plate 10 are respectively fixedly connected with a first scraper 8 and a second scraper 9, the first scraper 8 and the second scraper 9 slide closely to the surface of the first filter plate 10, a driving mechanism is arranged between the first sprocket 15 and the cylinder 1, the driving mechanism can be a simple servo motor or composed of other components, the first sprocket 15 can rotate, the second sprocket 11 is driven by the transmission of the chain 13 to rotate, so that the first scraper 8 and the second scraper 9 on the chain 13 slide closely to the surface of the first filter plate 10, the impurities with poor flowability adhered to the surface of the first filter plate 10 are scraped, and the self-cleaning efficiency of the first filter plate 10 is improved.

Referring to fig. 2, the driving mechanism includes a first rack plate 16, a second rack plate 7 and a driven gear 12, the first rack plate 16 and the second rack plate 7 are both in a quarter arc shape, the driven gear 12 is located between the first rack plate 16 and the second rack plate 7 and is meshed with each other, the first rack plate 16 and the second rack plate 7 can be matched with the rotation period of the stepping motor 2, so as to realize the effect of automatically cleaning the surface of the first filter plate 10 by the first scraper 8 and the second scraper 9, no extra driving motor is needed to be added for driving, which is beneficial to environmental protection and energy saving, the driven gear 12 is fixedly installed on one side of the first chain wheel 15 far away from the first filter plate 10, the first rack plate 16 is fixedly installed on the circumferential inner wall of the cylinder 1 and is arranged near the end cover of the cylinder 1, the first filter plate 10 can drive the driven gear 12 to rotate, then the driven gear 12 contacts with the first rack plate 16, so that the driven gear 12 drives the first chain wheel 15 to rotate, then the chain 13 drives the first scraper 8 to move towards the direction far away from the rotating rod 6, the second scraper 9 moves towards the direction close to the rotating rod 6, and the impurities on the upper surface of the first filter plate 10 are discharged through the impurity removing port 5 by the first scraper 8, the second rack plate 7 is fixedly arranged on the inner wall of the end cover at the two ends of the cylinder 1, and the second rack plate 7 is positioned above the first rack plate 16, when the driven gear 12 contacts the second rack plate 7, the driven gear 12 rotates in the reverse direction, and the chain 13 rotates in the reverse direction, and then the first flight 8 and the second flight 9 move in the opposite direction to the previous direction, so that the first flight 8 and the second flight 9 can return to the initial positions before the driven gear 12 contacts the first rack plate 16 next time.

This automatic cleaning device of injection molding machine material loading filter screen's embodiment does:

firstly, the injection molding raw material is led into the cylinder 1 through the feed hopper 3, the step motor 2 drives the rotating rod 6 to rotate, the rotating rod 6 drives the first filter plate 10 to rotate, the injection molding raw material is filtered through the first filter plate 10 and the second filter plate 14, when the driven gear 12 on the first filter plate 10 is contacted with the first rack plate 16, the driven gear 12 rotates and drives the first chain wheel 15 to rotate, then the chain 13 drives the first scraper 8 to move towards the direction far away from the rotating rod 6, the second scraper 9 moves towards the direction close to the rotating rod 6, and the impurities on the upper surface of the first filter plate 10 at the moment are discharged through the impurity removing port 5 through the first scraper 8, when the driven gear 12 is contacted with the second rack plate 7, the driven gear 12 rotates reversely at the moment, the chain 13 is driven to rotate reversely, and then the first scraper 8 and the second scraper 9 move towards the direction opposite to the previous direction, returning to the initial position until the driven gear 12 comes into contact with the first rack plate 16 again, and repeating the above-described steps, thereby enabling the first filter plate 10 and the second filter plate 14 to perform a self-cleaning operation when the injection molding material is subjected to a filtering process, and improving the filtering efficiency.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An automatic cleaning device for a feeding filter screen of an injection molding machine comprises a cylinder body (1), and is characterized in that the bottom end of the cylinder body (1) is fixedly connected with two groups of symmetrically distributed support rods (4), the top end of the cylinder body (1) is provided with a feeding hole, the feeding hole is provided with a feeding hopper (3), the circumferential side wall of the cylinder body (1) is provided with a impurity removing hole (5), the bottom end of the cylinder body (1) is provided with a discharging hole, and the discharging hole is provided with a second filter plate (14);

the utility model discloses a filter, including barrel (1), dwang (6), one end cover outer wall fixed mounting of barrel (1) has step motor (2), just the output shaft tip of step motor (2) runs through barrel (1) and fixedly connected with dwang (6), the one end that step motor (2) were kept away from in dwang (6) is rotated with the end cover inner wall of barrel (1) and is connected, dwang (6) are located four first filter (10) that are the annular array and distribute of the body of rod fixedly connected with of barrel (1) inside.

2. The automatic cleaning device for the feeding filter screen of the injection molding machine as claimed in claim 1, wherein the impurity removing port (5) is arranged along the length direction of the cylinder body (1), and the impurity removing port (5) is arranged in an inclined manner.

3. The automatic cleaning device for the feeding filter screen of the injection molding machine according to claim 1, wherein the second filter plate (14) is arranged in an arc shape, and the first filter plate (10) is tightly attached to the inner wall of the cylinder (1) and slides along the inner wall of the second filter plate (14).

4. The automatic cleaning device for the feeding filter screen of the injection molding machine according to claim 1, wherein the rotation period of the stepping motor (2) is a quarter circle.

5. The automatic cleaning device for the feeding filter screen of the injection molding machine according to claim 1, the side walls of the first filter plate (10) close to the two ends of the cylinder body (1) are respectively and rotatably provided with a first chain wheel (15) and a second chain wheel (11), the first chain wheel (15) and the second chain wheel (11) are arranged along the length direction of the first filter plate (10), the second chain wheel (11) is arranged close to the rotating rod (6), the first chain wheel (15) is connected with the second chain wheel (11) through a chain (13), the top end and the bottom end of the chain (13) positioned at two sides of the same first filtering plate (10) are respectively and fixedly connected with a first scraping plate (8) and a second scraping plate (9), and the first scraper (8) and the second scraper (9) slide along the surface of the first filter plate (10), a driving mechanism is arranged between the first chain wheel (15) and the barrel body (1).

6. The automatic cleaning device for the feeding filter screen of the injection molding machine according to claim 5, wherein the driving mechanism comprises a first rack plate (16), a second rack plate (7) and a driven gear (12), the driven gear (12) is fixedly arranged on one side of the first chain wheel (15) far away from the first filter plate (10), the first rack plate (16) is fixedly arranged on the inner circumferential wall of the barrel body (1) and is close to the end cover of the barrel body (1), the second rack plate (7) is fixedly arranged on the inner end cover wall of the two ends of the barrel body (1), the second rack plate (7) is arranged above the first rack plate (16), and the driven gear (12) is arranged between the first rack plate (16) and the second rack plate (7) and is meshed with each other.

7. The automatic cleaning device for the feeding filter screen of the injection molding machine according to claim 6, wherein the first rack plate (16) and the second rack plate (7) are arranged in a quarter-arc shape.