CN212123987U - Powder feeding device for injection molding machine - Google Patents

Abstract

The utility model discloses a powder loading attachment for injection molding machine in the technical field of injection molding machine, which comprises a blanking hopper, wherein the side wall of the blanking hopper is communicated with an air suction pipe, a filter screen is fixed in the air suction pipe, the bottom wall of the air suction pipe is communicated with a trash removal pipe, a support rod is fixed at the position of the top wall of the air suction pipe corresponding to the trash removal pipe, the bottom end of the support rod is slidably connected with a sleeve, and a plurality of brushes are uniformly fixed on the outer side surface of the sleeve; the utility model discloses an add bracing piece, sleeve and brush etc. and open the apron with the hand, drive the stay cord and remove, then drive the sleeve that is fixed at the stay cord top and move down along vertical direction, the brush that is fixed at the sleeve right flank also moves down along vertical direction thereupon, clears up the filter screen surface, avoids the filter screen to block up and reduces the edulcoration effect; loosen the apron, the sleeve shifts up under the effect of spring, then the stay cord removes for apron and row's miscellaneous tub of bottom end lid are tight, easy operation.

Description

Powder feeding device for injection molding machine

Technical Field

The utility model relates to an injection molding machine technical field specifically is a be used for powder loading attachment for 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.

Because the raw materials contain impurities, if the raw materials directly enter the injection molding machine from the blanking hopper for melting, the appearance and the quality of a product can be influenced, the powder feeding device for the injection molding machine in the prior art rarely relates to the cleaning of the filter screen, if the filter screen cannot be cleaned regularly, the filter screen is easily blocked, the air suction strength is weakened, the impurity removal is not facilitated, and the product quality is further reduced; in addition, the raw materials are often pushed together, impurities mixed in the raw materials are difficult to blow clean, and the impurity removal effect is general.

Therefore, a powder feeding device for an injection molding machine is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be arranged in powder loading attachment for injection molding machine to solve and provide the problem among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a powder loading attachment for injection molding machine, includes hopper down, the feed inlet has been seted up to hopper roof symmetry down, and hopper diapire intercommunication has the unloading pipe of solenoid valve down, lateral wall symmetry intercommunication has the aspiration channel about hopper down, the aspiration channel is provided with the suction fan, and is fixed with the filter screen in the aspiration channel, the inboard position intercommunication of aspiration channel diapire corresponding filter screen has the miscellaneous pipe of row, arrange miscellaneous tub of bottom and rotate and be connected with the apron, and the aspiration channel roof corresponds the rigidity of arranging miscellaneous pipe and have the bracing piece, bracing piece bottom sliding connection has the sleeve, and the bracing piece bottom mounting has a stopper, the bracing piece corresponds the rigidity between sleeve roof and the stopper and has the spring, the sleeve lateral surface evenly is fixed with a plurality of brushes, and the sleeve bottom mounting has the stay cord, the stay cord bottom is fixed with the apron top.

Preferably, the distance from the suction fan to the right side surface of the lower hopper is smaller than the distance from the filter screen to the right side surface of the lower hopper.

Preferably, the material of brush adopts wear-resisting plastic material, and the price is comparatively cheap, and the texture is light, and wear resistance is comparatively good.

Preferably, the number of the hairbrushes is 2-4, so that impurities on the filter screen can be conveniently cleaned.

Preferably, the top wall of the lower hopper is rotatably connected with a rotating shaft, a motor is fixed at the top end of the rotating shaft, and a plurality of scattering rods are fixed at the bottom end of the rotating shaft.

Preferably, a plurality of the scattering rods are uniformly distributed along the circumferential direction of the rotating shaft.

Preferably, 4-6 scattering rods are arranged to uniformly scatter the raw materials, so that impurities are fully exposed and discharged.

The utility model has the advantages that:

1. by adding the support rod, the sleeve, the brush and the like, the cover plate is opened by hands to drive the pull rope to move, then the sleeve fixed at the top end of the pull rope is driven to move downwards along the vertical direction, the brush fixed on the right side surface of the sleeve also moves downwards along the vertical direction to clean the surface of the filter screen, and the filter screen is prevented from being blocked to reduce the impurity removal effect; the cover plate is loosened, the sleeve moves upwards under the action of the spring, and then the pull rope moves, so that the cover plate is tightly covered with the bottom end of the impurity removing pipe, and the operation is simple;

2. through adding motor, pivot and breaking up the pole, starter motor drives the pivot and rotates, drives the pole rotation of breaing up then, breaks up the raw materials, will pile the raw materials of crowded together and fully break up for impurity exposes the ejection of compact, is favorable to the edulcoration, has improved the edulcoration effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional view of the support rod and the sleeve of the present invention;

fig. 4 is a schematic view of the structure of the rotating shaft and the scattering rod of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-blanking hopper, 2-feeding inlet, 3-motor, 4-rotating shaft, 5-scattering rod, 6-air suction pipe, 7-air suction fan, 8-filter screen, 9-impurity discharge pipe, 10-supporting rod, 11-brush, 12-spring, 13-limiting block, 14-sleeve, 15-pull rope, 16-cover plate, 17-blanking pipe and 18-electromagnetic valve.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1-4, the present invention provides a technical solution: a powder feeding device for an injection molding machine comprises a discharging hopper 1. The top wall of the blanking hopper 1 is symmetrically provided with feed inlets 2; the bottom wall of the blanking hopper 1 is communicated with a blanking pipe 17 with an electromagnetic valve 18; the left side wall and the right side wall of the blanking hopper 1 are symmetrically communicated with an air suction pipe 6. The suction pipe 6 is provided with a suction fan 7, the suction fan 7 is externally connected with a power supply, and a filter screen 8 is fixed in the suction pipe 6. The bottom wall of the air suction pipe 6 is communicated with a trash removal pipe 9 corresponding to the inner side of the filter screen 8, and the bottom end of the trash removal pipe 9 is rotatably connected with a cover plate 16; and a supporting rod 10 is fixed on the top wall of the air suction pipe 6 corresponding to the position of the impurity discharge pipe 9. The bottom end of the support rod 10 is connected with a sleeve 14 in a sliding way; a limiting block 13 is fixed at the bottom end of the support rod 10; a spring 12 is fixed on the support bar 10 corresponding to the position between the top wall of the sleeve 14 and the stop block 13. A plurality of brushes 11 are uniformly fixed on the outer side surface of the sleeve 14, and 2-4 brushes 11 are arranged; and a pull rope 15 is fixed at the bottom end of the sleeve 14, and the bottom end of the pull rope 15 is fixed with the top end of the cover plate 16.

In this embodiment, the distance from the suction fan 7 to the right side surface of the lower hopper 1 is smaller than the distance from the filter screen 8 to the right side surface of the lower hopper 1.

In this embodiment, the material of the brush 11 is a wear-resistant plastic material. The price is cheaper, the texture is light, and the wear resistance is better.

The working principle in the embodiment is as follows:

raw materials enter a blanking hopper 1 from a feeding hole 2, a suction fan 7 is started, lighter impurities in the raw materials are sucked into a suction pipe 6, then the impurities are intercepted by a filter screen 8, a part of the impurities are adhered to the left side surface of the filter screen 8, the other part of the impurities fall into an impurity discharge pipe 9, after injection molding is completed, a cover plate 16 is opened, a pull rope 15 fixed at the top end of the cover plate 16 is driven to move, a sleeve 14 fixed at the top end of the pull rope 15 is driven to move downwards along the vertical direction, a brush 11 fixed on the right side surface of the sleeve 14 also moves downwards along the vertical direction, the impurities on the left side surface of the filter screen 8 are cleaned, and the impurity removal effect of the filter screen; the cover plate 16 is loosened, the sleeve 14 moves upwards under the elastic force of the spring 12, and then the pull rope 15 is driven to move, so that the cover plate 16 is tightly covered with the bottom end of the impurity discharging pipe 9, and the operation is simple.

Example two

On the basis of the first embodiment, the top wall of the blanking hopper is rotatably connected with a rotating shaft 4, the top end of the rotating shaft 4 is fixed with a motor 3, and the motor 3 is externally connected with a power supply; and a plurality of scattering rods 5 are fixed at the bottom end of the rotating shaft 4. 4-6 scattering rods 5 are arranged, and a plurality of scattering rods 5 are uniformly distributed along the circumferential direction of the rotating shaft 4.

Starting motor 3 drives through the shaft coupling and fixes 4 rotations in the pivot of 3 outputs of motor, drives then and fixes 5 rotations of the pole of breaing up in pivot 4, and the raw materials is added the back from feed inlet 2 and is broken up 5 dispersions of pole by the pivoted for mix with between the raw materials is fully exposed, is favorable to the edulcoration, has improved the edulcoration effect.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (7)

1. The utility model provides a be used for powder loading attachment for injection molding machine, includes hopper (1) down, its characterized in that: the feeding inlet (2) is symmetrically arranged on the top wall of the lower hopper (1), the bottom wall of the lower hopper (1) is communicated with a feeding pipe (17) with an electromagnetic valve (18), the left side wall and the right side wall of the lower hopper (1) are symmetrically communicated with an air suction pipe (6), the air suction pipe (6) is provided with an air suction fan (7), a filter screen (8) is fixed in the air suction pipe (6), the bottom wall of the air suction pipe (6) is communicated with a trash removal pipe (9) corresponding to the inner side of the filter screen (8), the bottom end of the trash removal pipe (9) is rotatably connected with a cover plate (16), a support rod (10) is fixed on the top wall of the air suction pipe (6) corresponding to the trash removal pipe (9), a sleeve (14) is slidably connected with the bottom end of the support rod (10), a limiting block (13) is fixed on the bottom end of the support rod (10), a spring (12) is, a plurality of brushes (11) are uniformly fixed on the outer side surface of the sleeve (14), a pull rope (15) is fixed at the bottom end of the sleeve (14), and the bottom end of the pull rope (15) is fixed with the top end of the cover plate (16).

2. The powder feeding device for injection molding machines of claim 1, wherein: the distance from the suction fan (7) to the right side surface of the lower hopper (1) is less than the distance from the filter screen (8) to the right side surface of the lower hopper (1).

3. The powder feeding device for injection molding machines of claim 1, wherein: the material of the hairbrush (11) is wear-resistant plastic material.

4. The powder feeding device for injection molding machines of claim 1, wherein: the number of the hairbrushes (11) is 2-4.

5. The powder feeding device for injection molding machines of claim 1, wherein: lower hopper (1) roof rotates and is connected with pivot (4), the top of pivot (4) is fixed with motor (3), and the bottom mounting of pivot (4) has many to break up pole (5).

6. The powder feeding device for injection molding machines of claim 5, wherein: a plurality of scattering rods (5) are uniformly distributed along the circumferential direction of the rotating shaft (4).

7. The powder feeding device for injection molding machines of claim 5, wherein: 4-6 scattering rods (5) are arranged.

Images