CN216267329U

CN216267329U - Mould with supplementary plug-in choked flow injection mould structure

Info

Publication number: CN216267329U
Application number: CN202122666119.0U
Authority: CN
Inventors: 张俊
Original assignee: Foshan Shunde Jingqin Hardware Plastic Co ltd
Current assignee: Foshan Shunde Jingqin Hardware Plastic Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-04-12
Anticipated expiration: 2031-11-03

Abstract

The utility model discloses a mold with an auxiliary insertion flow blocking injection mold structure, which comprises a base, a lower mold seat and an upper mold seat, wherein the top of the upper mold seat is fixedly connected with a hopper, flow blocking mechanisms are arranged on two sides of the hopper, each flow blocking mechanism comprises two baffle plates, sliding grooves are formed in two sides of the top of the upper mold seat, and sliding blocks are connected to the bottoms of the inner walls of the two sliding grooves in a sliding mode. This mould with supplementary plug-in choked flow injection mould structure drives spheroid rebound through the handle, and the spheroid extrudes two arcs under the effect of pulling force to shift out in the fixed slot, can carry out the regulation of position to the baffle, the distance between two baffles is less, plays certain barrier effect to the injection molding material, makes the velocity of flow of injection molding material slow more, can be with the abundant injection die intracavity of injection molding material, effectively reduces the internal bubble hollow production volume of moulding plastics, guarantees the quality of product.

Description

Mould with supplementary plug-in choked flow injection mould structure

Technical Field

The utility model relates to the technical field of molds, in particular to a mold with an auxiliary insertion flow blocking injection mold structure.

Background

Molds, various dies and tools for obtaining the desired product by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping, etc. in industrial production, in short, a mold is a tool for making a molded article, the tool is composed of various parts, different dies are composed of different parts, the processing of the shape of the article is realized mainly by the change of the physical state of the formed material, the tool is called as 'industrial nut', the die generally comprises a movable die and a fixed die (or a male die and a female die), the movable die and the fixed die can be separated and combined, the workpiece is taken out when the movable die and the fixed die are separated, the blank is injected into a die cavity for forming when the movable die and the fixed die are combined, the die is a precise tool, has a complex shape and bears the expansion force of the blank, the method has high requirements on structural strength, rigidity, surface hardness, surface roughness and machining precision, and the development level of die production is one of important marks of the mechanical manufacturing level.

When the existing mold is used for injection molding production, the flow rate of injection molding is difficult to control, the generation of air bubble cavities in an injection molding body is easily caused when the flow rate is too high, defects are easily generated after the product is molded, the quality of the product is reduced, and economic loss is caused.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a mold with an auxiliary insertion-through flow blocking injection mold structure, which solves the problems that the flow rate of injection molding is difficult to control, air bubble cavities in an injection molding body are easily generated when the flow rate is too high, defects are easily generated after a product is molded, the quality of the product is reduced, and economic loss is caused.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a mould with supplementary plug-in choked flow injection mould structure, includes base, die holder and upper die base, the top fixedly connected with hopper of upper die base, and the both sides of hopper all are provided with choked flow mechanism.

The choked flow mechanism includes two baffles, the spout has been seted up to the both sides at upper die base top, two the equal sliding connection in bottom of spout inner wall has the slider, and the top of slider and the bottom fixed connection of baffle, the front and the equal swing joint in back at baffle top have the handle, and the bottom fixedly connected with spheroid of handle, the fixed slot with spheroid looks adaptation is all seted up to the both sides at upper die base top, and the equal fixedly connected with spring in both sides of fixed slot inner wall, the spring is kept away from the one end fixedly connected with of fixed slot inner wall and the arc of spheroid looks adaptation, and the curved template of top fixedly connected with of arc, two the hopper is all run through and is extended to the inside of hopper to one side that the baffle is relative.

Preferably, the bottom of the upper die holder is provided with an upper die cavity, and the top of the lower die holder is provided with a lower die cavity.

Preferably, the bottom of the hopper penetrates through the upper die base and extends into the upper die base, and one side of the hopper extending into the upper die base is communicated with the top of the upper die cavity.

Preferably, a movable groove is formed in the base, and electric telescopic rods are fixedly connected to two sides of the bottom of the inner wall of the movable groove.

Preferably, one end of the output shaft of the electric telescopic rod is fixedly connected with a thimble, and the top end of the thimble penetrates through the base and extends into the lower die holder.

Preferably, the top of the base is fixedly connected with the bottom of the lower die holder, and the top of the lower die holder is movably connected with the bottom of the upper die holder.

Advantageous effects

The utility model provides a mold with an auxiliary insertion flow blocking injection mold structure. Compared with the prior art, the method has the following beneficial effects:

(1) this mould with supplementary plug-in choked flow injection mould structure, both sides through the hopper all are provided with choked flow mechanism, drive spheroid rebound through the handle, the spheroid is under the effect of pulling force, extrude two arcs, thereby shift out in the fixed slot, can carry out the regulation of position to the baffle, distance between two baffles is less, play certain effect of blockking to the injection molding material, make the velocity of flow of injection molding material slow more, can be with the abundant injection mould intracavity of injection molding material, effectively reduce the internal bubble hollow production volume of moulding plastics, guarantee the quality of product.

(2) This mould with supplementary plug-in choked flow injection mould structure, one end fixedly connected with thimble through electric telescopic handle output shaft, the top of thimble runs through the base and extends to the inside of die holder, and after the injection molding material shaping, the upper die base separates with the die holder, then drives thimble rebound through electric telescopic handle, can be ejecting with the product after the shaping, makes things convenient for the unloading.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

fig. 3 is a sectional view of a fixing groove structure according to the present invention.

In the figure: the device comprises a base 1, a lower die holder 2, an upper die holder 3, a hopper 4, a flow blocking mechanism 5, a baffle 51, a sliding chute 52, a sliding block 53, a handle 54, a ball 55, a fixed groove 56, a spring 57, an arc plate 58, a curve plate 59, an upper die cavity 6, a lower die cavity 7, a movable groove 8, an electric telescopic rod 9 and a thimble 10.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a mould with supplementary plug-in choked flow injection mould structure, includes base 1, die holder 2 and upper die base 3, the top fixedly connected with hopper 4 of upper die base 3, and the both sides of hopper 4 all are provided with choked flow mechanism 5.

The flow resisting mechanism 5 comprises two baffles 51, sliding grooves 52 are formed in two sides of the top of the upper die base 3, sliding blocks 53 are connected to the bottoms of the inner walls of the two sliding grooves 52 in a sliding mode, the tops of the sliding blocks 53 are fixedly connected with the bottoms of the baffles 51, handles 54 are movably connected to the front and the back of the top of the baffles 51, the handles 54 are arranged to conveniently drive the balls 55 to enter and exit the fixed grooves 56, the bottom ends of the handles 54 are fixedly connected with the balls 55, fixed grooves 56 matched with the balls 55 are formed in two sides of the top of the upper die base 3, springs 57 are fixedly connected to two sides of the inner walls of the fixed grooves 56, the springs 57 are replaceable to ensure elasticity, one ends, far away from the inner walls of the fixed grooves 56, of the springs 57 are fixedly connected with arc plates 58 matched with the balls 55, curved plates 59 are fixedly connected to the tops of the arc plates 58, the curved plates 59 are arranged to facilitate the balls 55 to be extruded between the two arc plates 58, the opposite sides of the two baffles 51 each extend through the hopper 4 and into the interior of the hopper 4.

An upper die cavity 6 is arranged at the bottom of the upper die base 3, a lower die cavity 7 is arranged at the top of the lower die base 2, the upper die cavity 6 is matched with the lower die cavity 7, the bottom of the hopper 4 penetrates through the upper die base 3 and extends into the upper die base 3, one side of the hopper 4 extending into the upper die base 3 is communicated with the top of the upper die cavity 6, a movable groove 8 is arranged in the base 1, electric telescopic rods 9 are fixedly connected with two sides of the bottom of the inner wall of the movable groove 8, the electric telescopic rods 9 are controlled by an external switch and are connected with an external power supply through wires, one end of an output shaft of the electric telescopic rods 9 is fixedly connected with a thimble 10, the electric telescopic rods 9 can control the thimble 10 to push out a formed product out of the die cavity, blanking is convenient, the top end of the thimble 10 penetrates through the base 1 and extends into the lower die base 2, the top of the base 1 is fixedly connected with the bottom of the lower die base 2, and the top of the lower die base 2 is movably connected with the bottom of the upper die base 3, the movable connection means that the lower die holder 2 is contacted with the upper die holder 3 but is not fixed, and the parts which are not involved in the device are the same as or can be realized by adopting the prior art.

When the injection molding machine is used, the upper die base 3 and the lower die base 2 are matched, the ball body 55 is driven to move upwards through the handle 54, the ball body 55 extrudes the arc-shaped plates 58 on two sides under the action of pulling force, the arc-shaped plates 58 extrude the springs 57, the ball body 55 moves out of the fixed grooves 56, the baffle plates 51 on two sides can be pulled after the ball body 55 moves out, the distance between the two baffle plates 51 is adjusted according to requirements, the ball body 55 is pressed into the fixed grooves 56 through the handle 54 again after the adjustment is finished, the ball body 55 is extruded into the space between the two arc-shaped plates 58 through the curved plate 59, under the reaction force of the springs 57, the ball body 55 is clamped by the arc-shaped plates 58, so that the positions of the baffle plates 51 are fixed, the smaller the distance between the two baffle plates 51 is, a certain blocking effect is achieved on injection molding materials, the slower flow rate of the injection materials is, the injection materials can be fully injected into a die cavity, and the generation amount of hollow bubbles in the injection bodies is effectively reduced, the injection molding material enters the closed mold cavity through the hopper 4, after molding, the electric telescopic rod 9 is started to drive the ejector pin 10 to move upwards, and the ejector pin 10 ejects the product out for blanking.

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.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mould with supplementary plug-in choked flow injection mould structure, includes base (1), die holder (2) and upper die base (3), its characterized in that: the top of the upper die holder (3) is fixedly connected with a hopper (4), and two sides of the hopper (4) are provided with flow blocking mechanisms (5);

the flow blocking mechanism (5) comprises two baffles (51), sliding grooves (52) are formed in two sides of the top of the upper die base (3), sliding blocks (53) are connected to the bottoms of the inner walls of the sliding grooves (52) in a sliding mode, the top of each sliding block (53) is fixedly connected with the bottom of each baffle (51), handles (54) are movably connected to the front and the back of the top of each baffle (51), a sphere (55) is fixedly connected to the bottom end of each handle (54), fixing grooves (56) matched with the spheres (55) are formed in two sides of the top of the upper die base (3), springs (57) are fixedly connected to two sides of the inner wall of each fixing groove (56), an arc-shaped plate (58) matched with the spheres (55) is fixedly connected to one end, far away from the inner wall of each fixing groove (56), of each spring (57), and a curved plate (59) is fixedly connected to the top of each arc-shaped plate (58), the opposite sides of the two baffles (51) penetrate through the hopper (4) and extend to the interior of the hopper (4).

2. The mold of claim 1, wherein the insert assist flow-blocking injection mold structure comprises: an upper die cavity (6) is formed in the bottom of the upper die holder (3), and a lower die cavity (7) is formed in the top of the lower die holder (2).

3. The mold of claim 1, wherein the insert assist flow-blocking injection mold structure comprises: the bottom of the hopper (4) penetrates through the upper die base (3) and extends into the upper die base (3), and one side, extending into the upper die base (3), of the hopper (4) is communicated with the top of the upper die cavity (6).

4. The mold of claim 1, wherein the insert assist flow-blocking injection mold structure comprises: the movable groove (8) is formed in the base (1), and electric telescopic rods (9) are fixedly connected to the two sides of the bottom of the inner wall of the movable groove (8).

5. The mold of claim 4, wherein the insert-assist flow-blocking injection mold structure comprises: one end of an output shaft of the electric telescopic rod (9) is fixedly connected with an ejector pin (10), and the top end of the ejector pin (10) penetrates through the base (1) and extends into the lower die holder (2).

6. The mold of claim 1, wherein the insert assist flow-blocking injection mold structure comprises: the top of the base (1) is fixedly connected with the bottom of the lower die holder (2), and the top of the lower die holder (2) is movably connected with the bottom of the upper die holder (3).