CN210257012U - Injection molding machine feeding device - Google Patents

Abstract

The utility model relates to the technical field of injection molding machine equipment, and discloses an injection molding machine feeding device, which comprises a storage hopper, a discharge hole, a feeding device and a feeding device, wherein the storage hopper is arranged inside the hopper; the top end of the ejector rod penetrates through the interior of the discharge hole and extends to the inner cavity of the storage hopper, the top end of the ejector rod is a cone, and the bottom end of the ejector rod is fixedly arranged in the middle of the inner wall of the bottom of the hopper; the two discharge holes are annular and symmetrically arranged on two sides of the bottom of the hopper, and the opposite ends of the inner walls of the two hoppers are inclined planes; the cam is arranged on one side of the upper end face of the hopper, the top of the cam is in transmission connection with a rotating wheel, and the rotating wheel is rotatably connected to one side face of the storage hopper. The utility model discloses a vibration and ejector pin's effect prevents that plastic granules from blocking, has the anti-clogging performance.

Description

Injection molding machine feeding device

Technical Field

The utility model relates to an injection molding machine equipment technical field specifically is an injection molding machine feeding device.

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.

The feeding device of injection molding machine, be used for providing the feeding mechanism of plastic granules for the injection molding machine, generally be funnel type structure, at reinforced in-process, it is inside directly with the leading-in of plastic granules, the plastic granules gets into the injection molding machine under self gravity inside, because the distribution of plastic granules in injection molding machine feeding device is unordered state, extrude each other, at reinforced in-process, the material mouth size of injection molding machine is certain, the plastic granules card often appears and can't smooth and easy unloading phenomenon, need artifical iron set down to smash with the iron set, this feeding device that just leads to the injection molding machine easily appears the problem appearance of jam.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the above problem of the prior art, the utility model provides an injection molding machine feeding device through continuous vibration and to the continuous jack-up of the plastic granules in the feeding device, lets the plastic granules constantly take place the motion, prevents that plastic granules from blocking for this injection molding machine feeding device has the advantage of preventing blockking up.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

the utility model provides an injection molding machine feeding device, includes the hopper, for open-top bottom is closed, still includes:

the storage hopper is arranged in the hopper, two ends of the outer side surface of the storage hopper are connected with the inner walls of two sides of the hopper through a sliding block and a sliding chute, and the storage hopper can vibrate up and down in the hopper along the axial direction;

the discharging hole is formed in the bottom of the discharging hopper, and the inner side wall of the discharging hole is an inclined plane which is the same as the inner wall of the discharging hopper;

the top end of the ejector rod penetrates through the interior of the discharge hole and extends to the inner cavity of the storage hopper, the top end of the ejector rod is a cone, and the bottom end of the ejector rod is fixedly arranged in the middle of the inner wall of the bottom of the hopper;

the two discharge holes are annular and symmetrically arranged on two sides of the bottom of the hopper, and the opposite ends of the inner walls of the two hoppers are inclined planes;

the cam is arranged on one side of the upper end face of the hopper, the top of the cam is in transmission connection with a rotating wheel, and the rotating wheel is rotatably connected to one side face of the storage hopper.

Preferably, the length of the push rod inserted into the storage hopper is smaller than the distance between the outer edge of the cam projection and the rotation center of the cam projection.

Preferably, the sliding chutes and the sliding blocks are respectively provided with two sliding chutes which are respectively arranged on the inner walls of the two sides of the hopper, one end faces of the two sliding blocks are respectively arranged in the two sliding chutes, and one side faces, opposite to the two sliding blocks, of the two sliding blocks are respectively fixedly connected to the two side faces of the storage hopper.

Preferably, the hopper further comprises a driving motor, the bottom of the driving motor is fixedly arranged on one side of the upper end face of the hopper through a supporting plate, and an output shaft of the driving motor penetrates through the inside of the cam and is used for driving the cam to rotate.

Preferably, still include the discharging pipe, for both ends open-ended cylindricality, its top fixed connection in the bottom of hopper is along its radial two the discharge opening all is located inside.

Preferably, the material storage device further comprises two push rods which are annular and respectively correspond to the two discharge holes one by one, the top ends of the push rods are fixedly connected to the two side surfaces of the material storage hopper, and the bottom ends of the push rods are inserted into the discharge holes.

(III) advantageous effects

The utility model provides an injection molding machine feeding device. The method has the following beneficial effects:

when the driving motor operates, through the cam, the runner and the cooperation of slider and spout, let the storage hopper vibrate from top to bottom along the axial in hopper inside, be favorable to the inside plastic granules of storage hopper to produce not hard up and extruded switching process repeatedly under inertial action, meanwhile, the top of ejector pin can constantly insert and break away from the storage hopper, when the ejector pin inserts in the storage hopper, can be located the plastic granules of relief hole on the opening of storage hopper inner chamber one side and open, prevent that plastic granules from blocking in this position, when ejector pin and storage hopper separation, this position becomes the space, plastic granules can get into this gap, therefore, through reciprocal continuous switching process, plastic granules can not block the relief hole in this position, and then make this injection molding machine feeding device can not appear the phenomenon of jam.

Drawings

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

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is an enlarged view of FIG. 1 at B;

fig. 4 is an enlarged view of fig. 1 at C.

[ description of reference ]

In the figure: 1: a hopper; 2: a slider; 3: a chute; 4: a discharge hole; 5: a top rod; 6: a discharge hole; 7: a cam; 8: a rotating wheel; 9: a drive motor; 10: a discharge pipe; 11: a push rod; 12: a storage hopper.

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.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides an injection molding machine feeding device, includes hopper 1, and for open-top bottom is closed, its inner wall bottom has the cylindricality and holds the chamber, still includes:

the storage hopper 12 is arranged inside the hopper 1, two ends of the outer side surface of the storage hopper 12 are connected with the inner walls of two sides of the hopper 1 through the sliding blocks 2 and the sliding chutes 3, the storage hopper can vibrate up and down in the hopper 1 along an axial direction, the sliding chutes 3 and the sliding blocks 2 are respectively provided with two, the two sliding chutes 3 are respectively arranged on the inner walls of two sides of the hopper 1, one end surfaces of the two sliding blocks 2 are respectively arranged inside the two sliding chutes 3, one opposite side surface of the two sliding blocks 2 is respectively and fixedly connected to two side surfaces of the storage hopper 12, the sliding chutes 3 are matched with the sliding blocks 2 and used for limiting the track of the vibration of the storage hopper 12, specifically, in other embodiments, a roller can be arranged on one end surface of the sliding blocks 2, which is positioned in the sliding chutes 3, and the rolling friction of the roller is used for replacing the sliding;

the discharge hole 4 is formed in the bottom of the discharge hopper 1 and used for discharging plastic particles in the storage hopper 12, the inner side wall of the discharge hole is an inclined plane which is the same as the inner wall of the discharge hopper 1, and due to the arrangement mode, when the ejector rod 5 upwards ejects the plastic particles, a gap is formed between the top end of the inner side wall of the discharge hole 4 and the outer side surface of the ejector rod 5, a certain amount of plastic particles can enter the gap firstly, when the ejector rod 5 moves to be separated from the storage hopper 12, the plastic particles in the gap can be discharged through the discharge hole 4 preferentially, and the blockage prevention performance of discharging is improved effectively;

the top end of the ejector rod 5 penetrates through the discharge hole 4 and extends to the inner cavity of the storage hopper 12, the top end of the ejector rod is a cone, the arrangement mode enables the top end of the ejector rod to be a tip structure, when plastic particles are ejected, the tip structure can reduce vertical acting force between the ejector rod and the plastic particles, especially when plastic particles of clamping columns in the discharge hole 4 are ejected, the tip structure can be more easily ejected directly to gaps between the plastic particles, the effects of ejecting the plastic particles and discharging blockage are better, the bottom end of the ejector rod is fixedly arranged in the middle of the inner wall of the bottom of the hopper 1, the length value of the ejector rod 5 inserted into the storage hopper 12 is smaller than the distance value between the convex outer edge of the cam 7 and the rotating center of the cam, the arrangement mode enables the storage hopper 12 to move upwards to a limit position, the ejector rod 5 can be completely separated from the storage hopper 12, and further ensures that the discharge hole 4 is, the ejector rod 5 is prevented from obstructing the discharge of the plastic particles, and particularly, in other embodiments, the bottom of the ejector rod 5 is a chamfered cylinder, so that the space between the outer surface of the bottom of the ejector rod and the inner wall of the accommodating cavity can be enlarged, and the plastic particles can better pass through the space;

the two discharge holes 6 are annular and symmetrically arranged on two sides of the bottom of the hopper 1, and the opposite ends of the inner walls of the two hoppers 1 are inclined planes, so that the distance between the upper end surfaces of the joints of the two discharge holes 6 can be reduced as far as possible by the inclined planes, plastic particles are prevented from stopping between the upper end surfaces of the two discharge holes 6 and being incapable of discharging, and the anti-blocking effect is further improved;

the cam 7 is arranged on one side of the upper end surface of the hopper 1, the top of the cam is in transmission connection with a rotating wheel 8, the rotating wheel 8 is rotationally connected to one side surface of the storage hopper 12, and when the cam 7 rotates, the storage hopper 12 is driven to vibrate up and down through the rotating wheel 8;

further, the hopper also comprises a driving motor 9, the bottom of the driving motor 9 is fixedly arranged on one side of the upper end surface of the hopper 1 through a supporting plate, an output shaft of the driving motor is arranged in the cam 7 in a penetrating manner and is used for driving the cam 7 to rotate, specifically, two supporting plates are sleeved on the outer side of the output shaft of the driving motor 9 and are respectively arranged on two sides of the cam 7, and the bottom of the driving motor 9 is fixedly connected to the upper end surface of the supporting plate and is used for effectively supporting the output shaft of the driving motor 9 and the cam 7 and sharing the pressure when the cam 7 drives the rotating wheel 8 and the storage hopper;

therefore, when the driving motor 9 operates, the storage hopper 12 is made to vibrate up and down in the axial direction inside the hopper 1 through the cooperation of the cam 7, the rotating wheel 8, the slide block 2 and the chute 3, which is beneficial to the repeated switching process of loosening and extruding of plastic particles inside the storage hopper 12 under the action of inertia, meanwhile, the top end of the ejector rod 5 can be continuously inserted into and separated from the storage hopper 12, when the ejector rod 5 is inserted into the storage hopper 12, the plastic particles on the opening of the discharge hole 4 on one side of the inner cavity of the storage hopper 12 can be ejected to prevent the plastic particles from being blocked at the position, when the ejector rod 5 is separated from the storage hopper 12, the position becomes a gap, the plastic particles can enter the gap, and therefore, through the repeated and continuous switching process, the plastic particles cannot block the discharge hole 4 at the position, and further, the injection molding machine feeding device cannot be;

the discharging pipe 10 is a cylinder with two open ends, the top end of the discharging pipe is fixedly connected to the bottom of the hopper 1, and the two discharging holes 6 are located in the discharging pipe along the radial direction of the discharging pipe and used for guiding discharged plastic particles to better enter the next working procedure;

in another embodiment, still include push rod 11, have two, for the annular, respectively with two above-mentioned two discharge openings 6 one-to-one, its top fixed connection is on the both sides face of storage hopper 12, its bottom inserts the inside of above-mentioned discharge opening 6, this kind of setting mode for push rod 11 can follow storage hopper 12 and vibrate from top to bottom, when the plastic granules discharge entered into discharge opening 6, push rod 11 can push the plastic granules downwards during the downstream and get into discharging pipe 10, prevent that the plastic granules from blocking in discharge opening 6, further improve and prevent blockking up the performance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an injection molding machine feeding device, includes hopper (1), for open-top bottom is closed, its characterized in that still includes:

the storage hopper (12) is arranged inside the hopper (1), two ends of the outer side surface of the storage hopper are connected with the inner walls of two sides of the hopper (1) through a sliding block (2) and a sliding chute (3), and the storage hopper can vibrate up and down along the axis inside the hopper (1);

the discharge hole (4) is formed in the bottom of the hopper (1), and the inner side wall of the discharge hole is an inclined plane which is the same as that of the inner wall of the hopper (1);

the top end of the ejector rod (5) penetrates through the discharge hole (4) and extends to the inner cavity of the storage hopper (12), the top end of the ejector rod is a cone, and the bottom end of the ejector rod is fixedly arranged in the middle of the inner wall of the bottom of the hopper (1);

the two discharge holes (6) are annular and symmetrically arranged on two sides of the bottom of the hopper (1), and the opposite ends of the inner walls of the two hoppers (1) are inclined planes;

the cam (7) is arranged on one side of the upper end face of the hopper (1), the top of the cam is in transmission connection with a rotating wheel (8), and the rotating wheel (8) is rotatably connected onto one side face of the storage hopper (12).

2. The injection molding machine charging device of claim 1, wherein: the length value of the push rod (5) inserted into the storage hopper (12) is smaller than the distance value between the convex outer edge of the cam (7) and the rotating center of the cam.

3. The injection molding machine charging device of claim 1, wherein: the hopper is characterized in that the sliding chutes (3) and the sliding blocks (2) are respectively provided with two sliding chutes (3), the sliding chutes (3) are respectively arranged on the inner walls of the two sides of the hopper (1), one end faces of the sliding blocks (2) are respectively arranged in the two sliding chutes (3), and the two opposite side faces of the sliding blocks (2) are respectively fixedly connected to the two side faces of the storage hopper (12).

4. The injection molding machine charging device of claim 1, wherein: the hopper is characterized by further comprising a driving motor (9), wherein the bottom of the driving motor is fixedly arranged on one side of the upper end face of the hopper (1) through a supporting plate, and an output shaft of the driving motor penetrates through the inside of the cam (7) and is used for driving the cam (7) to rotate.

5. The injection molding machine charging device of claim 1, wherein: still include discharging pipe (10), for both ends open-ended cylindricality, its top fixed connection be in the bottom of hopper (1), along its radial two discharge opening (6) all are located inside it.

6. The injection molding machine charging device of claim 1, wherein: the material storage hopper is characterized by further comprising two annular push rods (11), the two annular push rods are respectively in one-to-one correspondence with the two discharge holes (6), the top ends of the push rods are fixedly connected to the two side faces of the material storage hopper (12), and the bottom ends of the push rods are inserted into the discharge holes (6).

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