CN213618103U

CN213618103U - Multi-cavity pen holder injection mold

Info

Publication number: CN213618103U
Application number: CN202022488903.2U
Authority: CN
Inventors: 孙厚清
Original assignee: Hangzhou Character Stationery Co ltd
Current assignee: Hangzhou Character Stationery Co ltd
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-07-06
Anticipated expiration: 2030-11-02

Abstract

The utility model discloses a many caves pen-holder injection mold, the mould body includes lower bolster, movable mould board, goes up roof, fixed die plate and die cavity board, be equipped with a plurality of caves on the die cavity board, be equipped with in the cave and can dismantle the moulding pole of being connected with the movable mould board, be equipped with the fixed slot on the movable mould board, the fixed slot opening part is equipped with two breachs symmetrically, and the fixed slot is inside to be equipped with the draw-in groove that the lateral wall is sunken, moulding pole is equipped with T type card post with the one end that the movable mould board is connected, card post joint is in the fixed slot, there is the cylinder bottom the lower bolster bottom through piston connection, go up outer runner and the ingate that are equipped with the position correspondence on roof and the fixed die plate respectively, the ingate is connected with the sprue of establishing on the fixed die plate. The utility model discloses an adopt the installation and dismantle simple and convenient moulding pole, can make many cave mould the pen-holder of the different models of production in once moulding plastics circulation, the processing ease, the range of application is wide.

Description

Multi-cavity pen holder injection mold

Technical Field

The utility model relates to an injection mold is field in time, concretely relates to many caves pen-holder injection mold.

Background

The plastic mould is a tool for producing plastic products, and is used for processing and producing products by an injection molding method, wherein plastic materials which are heated and melted are injected into a mould cavity by an injection molding machine at high pressure, and the formed products are obtained after cooling and solidification. With the increasing demand of plastic products, the improvement of the injection molding processing efficiency is always concerned; in the injection molding process, the multi-cavity injection mold comprising a plurality of cavities is increasingly widely applied, and can simultaneously realize the processing and molding of a plurality of products, such as the ball pen industry, and the production efficiency can be obviously improved by adopting the multi-cavity injection mold to perform the injection molding processing of the plastic pen holder. The one-mold multi-cavity injection mold is characterized in that one set of mold is provided with a plurality of identical cavities, raw materials enter a sub-runner through a main runner and enter the cavities, and a plurality of plastic products are produced in one injection molding cycle. The existing multi-cavity penholder injection mold can only produce penholders with the same type and size in one injection molding cycle, and can not produce penholders with different types in the same injection molding.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned problem, provide a many caves pen-holder injection mold.

The utility model adopts the following technical scheme:

a multi-cavity penholder injection mold comprises a mold body, a movable mold plate and a fixed mold plate, wherein the movable mold plate is fixed on a lower base plate, the fixed mold plate is connected on an upper top plate, and a cavity plate positioned between the movable mould plate and the fixed mould plate, a plurality of cavities are arranged on the cavity plate, the cavity is internally provided with a shaping rod which is detachably connected with the movable template, the movable template is provided with fixing grooves which are in one-to-one correspondence with the cavity, two notches are symmetrically arranged at the opening of the fixed groove, a clamping groove which is sunken towards the side wall is arranged inside the fixed groove, one end of the shaping rod connected with the movable template is provided with a T-shaped clamping column which is clamped in the fixed groove, the bottom of the lower backing plate is connected with a cylinder through a piston, an outer sprue and an inner sprue which correspond to each other in position are respectively arranged on the upper top plate and the fixed die plate, the inner pouring gate is connected with a main runner on the fixed template, and the main runner is communicated with the cavity through a sub-runner.

As a preferred technical scheme of the utility model, the movable mould board passes through the screw fixation on the lower bolster, the fixed die plate passes through the screw fixation on last roof, and the both sides of movable mould board are equipped with the guide pillar, the both sides of die cavity board are equipped with the guide hole that corresponds with the guide pillar position, and the lower surface both sides of fixed die plate are equipped with the locating hole that corresponds with the guide hole position, the guide pillar runs through the guide hole and pegs graft in the locating hole.

As an optimal technical scheme of the utility model, swing joint has one to the clamp plate in the draw-in groove, it is equipped with the spring to support between clamp plate and the fixed slot.

The utility model has the advantages that:

the utility model discloses an adopt the installation and dismantle simple and convenient moulding pole, can make many cave mould the pen-holder of the different models of production in once moulding plastics circulation, the processing ease, the range of application is wide.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A;

fig. 3 is a partial structure plan view of a fixing groove on the movable template.

The symbols in the drawings illustrate that:

1: lower backing plate, 2: moving die plate, 3: upper top plate, 4: fixed template, 5: cavity plate, 6: cavity, 7: shaping rod, 8: fixing groove, 9: notch, 10: card slot, 11: a clamping column, 12: pressing plate, 13: spring, 14: piston, 15: cylinder, 16: outer gate, 17: in-gate, 18: main flow passage, 19: branch passages, 20: screw, 21: and (6) a guide pillar.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 3, the multi-cavity penholder injection mold comprises a mold body, a movable mold plate 2 fixed on a lower backing plate 1, a fixed mold plate 4 connected to an upper top plate 3, and a cavity plate 5 located between the movable mold plate 2 and the fixed mold plate 4, wherein a plurality of cavities 6 are arranged on the cavity plate 5, and the number of the cavities 6 can be designed according to the actual size of the cavity plate 5, and is 6, 8 or 12. And a shaping rod 7 detachably connected with the movable template 2 is arranged in the cavity 6, namely when the shaping rod 7 is inserted into the cavity 6, a cavity formed by enclosing the side wall of the shaping rod 7 and the side wall of the cavity 6 is a cavity, and after the plastic feed liquid is poured in and is cooled and solidified, the shaping rod 7 is pulled out to obtain the pen holder. Therefore, under the condition that the diameter of the cavity 6 is inconvenient, the shaping rod 7 with different diameters can be replaced to adjust the distance between the shaping rod 7 and the cavity 6, so that penholders with different thicknesses can be obtained, and different styles can be generated on the penholders by additionally arranging various types of bumps on the surface of the shaping rod 7. Specifically, be equipped with on the movable mould board 2 with the fixed slot 8 of 6 position one-to-ones in chamber cave, 8 opening parts in fixed slot are equipped with two breachs 9 symmetrically, and fixed slot 8 is inside to be equipped with the draw-in groove 10 sunken to the lateral wall, moulding pole 7 is equipped with T type card post 11 with the one end that movable mould board 2 is connected, card post 11 joint is in fixed slot 8, swing joint has one to the clamp plate 12 in the draw-in groove 10, it is equipped with spring 13 to support between clamp plate 12 and the fixed slot 8. During the connection, at first aim at two breachs 9 of fixed slot 8 with two chimbs of card post 11, will block post 11 and push down after that, when treating card post 11 and pressing to draw-in groove 10 in, spring 13 is compressed simultaneously, then will block post 11 rotatory 90 degrees and can loosen, and at this moment, spring 13 is gone up the bullet under its self answer effect, supports tightly and withholds card post 11 to will block post 11 firmly fixed connection in fixed slot 8, moulding pole 7 installation and dismantlement are all simple and convenient like this. The bottom of the lower base plate 1 is connected with a cylinder 15 through a piston 14, the piston 14 is driven through the cylinder 15 before injection molding to separate the movable mold plate 2 from the fixed mold plate 4, a required molding rod 7 is replaced in the fixed groove 8, the molding rod 7 can be the same or different, namely, the application is adjusted according to actual production conditions, the application range of production is met, penholders of various different models can be produced in one injection molding cycle, after replacement is finished, the movable mold plate 2 is pushed back to be connected with the cavity plate 5 and the fixed mold plate 4 tightly, and after final injection molding and cooling, the piston 14 is driven again to separate the movable mold plate 2 from the fixed mold plate 4 to complete one injection molding cycle. The injection molding machine is characterized in that an outer sprue 16 and an inner sprue 17 which correspond to each other in position are respectively arranged on the upper top plate 1 and the fixed mold plate 4, the inner sprue 17 is connected with a main runner 18 arranged on the fixed mold plate 4, the main runner 18 is communicated with the cavity 6 through a sub-runner 19, and plastic material liquid sequentially flows into the cavity 6 through the outer sprue 16, the inner sprue 17, the main runner 18 and the sub-runner 19 to complete the injection molding process.

Furthermore, the movable die plate 2 is fixed on the lower backing plate 1 through screws, the fixed die plate 4 is fixed on the upper top plate 3 through screws 20, guide posts 21 are arranged on two sides of the movable die plate 2, guide holes corresponding to the guide posts 21 are arranged on two sides of the cavity plate 5, positioning holes corresponding to the guide holes are arranged on two sides of the lower surface of the fixed die plate 4, and the guide posts 21 penetrate through the guide holes and are inserted into the positioning holes. Through the cooperation of guide pillar 21 and guide hole, constant head tank, can make movable mould board 2, die cavity board 5 and fixed die plate 4 counterpoint more fast accurate, improve and mould plastics success rate and production efficiency.

Finally, it should be noted that: these embodiments are merely illustrative of the present invention and do not limit the scope of the invention. In addition, other variations and modifications will be apparent to persons skilled in the art based on the foregoing description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications may be made without departing from the scope of the present invention.

Claims

1. The utility model provides a many caves pen-holder injection mold, includes the mould body, the mould body is including fixed movable mould board (2) on lower bolster (1), fixed die plate (4) of connecting on last roof (3) to and be located cavity board (5) between movable mould board (2) and fixed die plate (4), be equipped with a plurality of caves (6), its characterized in that on cavity board (5): a shaping rod (7) detachably connected with the movable mould plate (2) is arranged in the cavity (6), the movable mould plate (2) is provided with fixed grooves (8) which are in one-to-one correspondence with the positions of the cavities (6), two notches (9) are symmetrically arranged at the opening of the fixed groove (8), a clamping groove (10) which is sunken towards the side wall is arranged inside the fixed groove (8), one end of the shaping rod (7) connected with the movable template (2) is provided with a T-shaped clamping column (11), the clamping column (11) is clamped in the fixing groove (8), the bottom of the lower backing plate (1) is connected with a cylinder (15) through a piston (14), the upper top plate (3) and the fixed die plate (4) are respectively provided with an outer sprue (16) and an inner sprue (17) with corresponding positions, the inner sprue (17) is connected with a main runner (18) arranged on the fixed mould plate, the main flow passage (18) is communicated with the cavity (6) through a sub-flow passage (19).

2. The multi-cavity pen holder injection mold according to claim 1, wherein: the movable die plate (2) is fixed on the lower base plate (1) through screws (20), the fixed die plate (4) is fixed on the upper top plate (3) through the screws (20), guide posts (21) are arranged on two sides of the movable die plate (2), guide holes corresponding to the guide posts (21) are arranged on two sides of the cavity plate (5), positioning holes corresponding to the guide holes are arranged on two sides of the lower surface of the fixed die plate (4), and the guide posts (21) penetrate through the guide holes and are inserted into the positioning holes.

3. The multi-cavity pen holder injection mold according to claim 1, wherein: a pressing plate (12) is movably connected in the clamping groove (10), and a spring (13) is arranged between the pressing plate (12) and the fixing groove (8).