CN220390229U

CN220390229U - Extrusion mechanism of injection molding machine

Info

Publication number: CN220390229U
Application number: CN202321456300.1U
Authority: CN
Inventors: 尤劲松; 王华平; 熊灿勇
Original assignee: Ningbo Surplo Technology Co ltd
Current assignee: Ningbo Surplo Technology Co ltd
Priority date: 2023-06-08
Filing date: 2023-06-08
Publication date: 2024-01-26
Anticipated expiration: 2033-06-08

Abstract

The utility model belongs to the technical field of injection molding devices, and discloses an extrusion mechanism of an injection molding machine, which comprises a fixed frame and a discharge hopper arranged in the fixed frame, wherein a funnel is arranged at the bottom of the discharge hopper, the funnel is fixed on the fixed frame through a mounting plate, and a heating plate is arranged on the outer surface of the funnel.

Description

Extrusion mechanism of injection molding machine

Technical Field

The utility model relates to the technical field of injection molding devices, in particular to an extrusion mechanism of an injection molding machine.

Background

Injection molding machines are a common type of plastic processing equipment, the extrusion mechanism of which is an important component. The extrusion mechanism is a part responsible for molding the extrusion die after melting and compressing the plastic, and the extrusion mechanism melts the plastic through heating and shearing action to enable the plastic to reach a flowing state so as to facilitate extrusion molding, and the extrusion mechanism usually consists of a screw, a cylinder, a nozzle and the like.

At present, most extrusion mechanisms can realize extrusion steps only by driving a screw rod to rotate through a motor, the electric driving cost is high, the electric driving machine can generate noise and electromagnetic radiation, the environment is more easily polluted, and the flexibility is not very strong.

Thus, a manually driven extrusion mechanism is needed to achieve cost reduction, high flexibility, and noise avoidance.

Disclosure of Invention

The present utility model is directed to an extrusion mechanism of an injection molding machine, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an extrusion mechanism of injection molding machine, includes fixed frame and installs the ejection of compact fill in fixed frame, the bottom of ejection of compact hopper is provided with the funnel, just the funnel passes through the mounting panel to be fixed on fixed frame, the surface of funnel is provided with the hot plate, one side of ejection of compact fill is equipped with extrusion mechanism, fixed frame's bottom is equipped with the support base, place the mould in the support base, wherein the through-hole on the mould links to each other with the bottom of funnel.

As a further scheme of the utility model: the extrusion mechanism comprises a shell, the inside swing joint of shell has the connecting rod, the inside threaded connection of connecting rod has the threaded rod, fixedly cup jointed the worm wheel on the threaded rod, the outer edge meshing of worm wheel has the worm, the worm is keeping away from the one end fixedly connected with handle of worm wheel, the surface fixedly connected with stopper of connecting rod, the stopper internalization has cup jointed first gag lever post, first gag lever post is installed in the shell, and the spacing groove has been seted up to the inside of wherein the shell, the stopper is located the spacing groove, the bottom fixedly connected with second gag lever post of connecting rod.

As a further scheme of the utility model: the support base is provided with fans, and the fans are four in number and distributed in a pairwise symmetrical mode.

As a further scheme of the utility model: the outer surface of the shell is fixedly connected with a fixed frame, and a thread groove is formed in the connecting rod.

As a further scheme of the utility model: the number of the limiting blocks is two, ball bearings are fixedly sleeved on the outer surface of the threaded rod, and a shell is fixedly sleeved on the outer surface of the ball bearings.

As a further scheme of the utility model: the second limiting rod is matched with the inner cavity of the funnel.

As a further scheme of the utility model: the support base is internally provided with two heat dissipation grooves.

After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:

the utility model has the advantages that the extruding mechanism is arranged, the power equipment and maintenance cost are not needed for the extruding mechanism driven by manpower, the cost is lower, the extruding mechanism driven by manpower is a particularly important advantage for small-sized manufacturers and personal manufacturers, no electric power is needed for the extruding mechanism driven by manpower, the influence on the environment is very small, the running speed and the extruding amount of the extruding mechanism can be finely adjusted by manual operation, the details in the production process can be controlled more accurately, the better product quality is obtained, and bubbles in melted materials are convenient to overflow;

the utility model is beneficial to accelerating the cooling rate of the material after the mould is filled with the material and improving the production line rate of the model forming by arranging the supporting base and the fan.

The utility model will now be described in detail with reference to the drawings and examples.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an exploded view of the overall structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of an extrusion mechanism according to the present utility model;

fig. 4 is a schematic cross-sectional view of a housing structure according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a fixed frame; 2. an extrusion mechanism; 201. a housing; 202. a connecting rod; 203. a threaded rod; 204. a worm wheel; 205. a worm; 206. a ball bearing; 207. a handle; 208. a limiting block; 209. a first stop lever; 210. a limit groove; 211. a second limit rod; 3. a support base; 4. a blower; 5. a heat sink; 6. a funnel; 7. a heating plate; 8. discharging a hopper; 9. and (5) a mold.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In addition, an element in the present disclosure may be referred to as being "fixed" or "disposed" on another element or being directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

As shown in fig. 1 to 2, the utility model provides an extrusion mechanism of an injection molding machine, which comprises a fixed frame 1 and a discharge hopper 8 arranged in the fixed frame 1, wherein a funnel 6 is arranged at the bottom of the discharge hopper 8, the funnel 6 is fixed on the fixed frame 1 through a mounting plate, a heating plate 7 is arranged on the outer surface of the funnel 6, one side of the discharge hopper 8 is provided with the extrusion mechanism 2, a supporting base 3 is arranged at the bottom of the fixed frame 1, a mold 9 is arranged in the supporting base 3, a through hole on the mold 9 is connected with the bottom of the funnel 6, and by arranging the supporting base 3 and a fan 4, the mold 9 is accelerated after filling materials, the material cooling rate is accelerated, the production line rate of molding is improved, the heating plate 7 is improved, and the materials are heated and melted conveniently.

As shown in fig. 3 to 4, the extrusion mechanism 2 includes a casing 201, the inside swing joint of casing 201 has a connecting rod 202, the inside threaded connection of connecting rod 202 has threaded rod 203, fixedly cup jointed worm wheel 204 on the threaded rod 203, the outer edge meshing of worm wheel 204 has worm 205, worm 205 is keeping away from worm wheel 204 one end fixedly connected with handle 207, the surface fixedly connected with stopper 208 of connecting rod 202, the stopper 208 internal activity has cup jointed first gag lever post 209, first gag lever post 209 is installed in casing 201, wherein the spacing groove 210 has been seted up to the inside of casing 201, stopper 208 is located spacing groove 210, the bottom fixedly connected with second gag lever post 211 of connecting rod 202, through setting up extrusion mechanism 2, rotate handle 207 and drive worm 205 rotation, under ball bearing 206 is to threaded rod 203's spacing, thereby drive worm wheel 204 rotation, then make threaded rod 203 rotate, under the cooperation of first gag lever post 209 and stopper 208, make connecting rod 202 reciprocate, then make the second gag lever post 208 reciprocate, move in the inside of funnel 6, thereby reach the inside of mould 9 with the extrusion of melted material, the effect of fan 9 is accelerated.

As shown in fig. 1 to 4, the fans 4 are installed on the supporting base 3, the fans 4 are four in number and are symmetrically distributed in pairs, the outer surface of the shell 201 is fixedly connected with the fixing frame 1, the inside of the connecting rod 202 is provided with a thread groove, the number of the limiting blocks 208 is two, the outer surface of the threaded rod 203 is fixedly sleeved with the ball bearing 206, the outer surface of the ball bearing 206 is fixedly sleeved with the shell 201, the second limiting rod 211 is matched with the inner cavity of the funnel 6, the supporting base 3 is internally provided with the heat dissipation grooves 5, the number of the heat dissipation grooves 5 is two, and the limiting blocks 208 are arranged to facilitate downward movement of the connecting rod 202 under the thread groove during rotation.

The working principle of the utility model is as follows:

during operation, the staff places the material in the discharge hopper 8, put the mould 9 in the support base 3, then put on external power supply for equipment, the material drops in hopper 6 from discharge hopper 8, under the effect of hot plate 7, the heating melts, this time, the staff drives worm 205 through rotating handle 207 and rotates, under ball bearing 206 is spacing to threaded rod 203, thereby drive worm wheel 204 and rotate, then make threaded rod 203 rotate, under the cooperation of first gag lever post 209 and stopper 208, threaded rod 203's rotation, make connecting rod 202 reciprocate, then make second gag lever post 211 reciprocate, move in the inside of hopper 6, thereby reach the inside that extrudees the material that will melt reachs mould 9, the effect of fan 4 accelerates the heat dissipation of mould 9.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides an extrusion mechanism of injection molding machine, includes fixed frame (1) and installs ejection of compact fill (8) in fixed frame (1), its characterized in that, the bottom of ejection of compact fill (8) is provided with funnel (6), just funnel (6) are fixed on fixed frame (1) through the mounting panel, the surface of funnel (6) is provided with hot plate (7), one side of ejection of compact fill (8) is equipped with extrusion mechanism (2), the bottom of fixed frame (1) is equipped with supporting base (3), place mould (9) in supporting base (3), wherein the through-hole on mould (9) links to each other with the bottom of funnel (6).

2. The extrusion mechanism of an injection molding machine according to claim 1, wherein the extrusion mechanism (2) comprises a casing (201), a connecting rod (202) is movably connected in the casing (201), a threaded rod (203) is connected in an internal thread of the connecting rod (202), a worm wheel (204) is fixedly sleeved on the threaded rod (203), a worm (205) is meshed with an outer edge of the worm wheel (204), one end of the worm (205) far away from the worm wheel (204) is fixedly connected with a handle (207), a limiting block (208) is fixedly connected with an outer surface of the connecting rod (202), a first limiting rod (209) is movably sleeved in the limiting block (208), the first limiting rod (209) is installed in the casing (201), a limiting groove (210) is formed in the casing (201), the limiting block (208) is located in the limiting groove (210), and a second limiting rod (211) is fixedly connected with the bottom of the connecting rod (202).

3. The extrusion mechanism of an injection molding machine according to claim 1, wherein fans (4) are installed on the supporting base (3), and the number of the fans (4) is four and is distributed symmetrically in pairs.

4. Extrusion mechanism of an injection molding machine according to claim 2, characterized in that the outer surface of the housing (201) is fixedly connected with a fixed frame (1), and the inside of the connecting rod (202) is provided with a thread groove.

5. The extrusion mechanism of an injection molding machine according to claim 2, wherein the number of the limiting blocks (208) is two, the outer surface of the threaded rod (203) is fixedly sleeved with a ball bearing (206), and the outer surface of the ball bearing (206) is fixedly sleeved with a shell (201).

6. Extrusion mechanism of an injection molding machine according to claim 2, characterized in that the second stop lever (211) coincides with the inner cavity of the hopper (6).

7. The extrusion mechanism of an injection molding machine according to claim 1, wherein the support base (3) is internally provided with two heat dissipation grooves (5), and the number of the heat dissipation grooves (5) is two.