CN211591164U - Injection mold capable of improving product gas lines and fusion lines - Google Patents

Abstract

The utility model provides a can improve product gas line, the injection mold of weld line, which comprises a mold body, the mould body includes die body and lower die body, be equipped with mould benevolence on going up the die body, be equipped with down mould benevolence on the lower die body, this internal inscribe device that is equipped with of mould, inscribe device includes the cutter, first guide block, the second guide block, the cutter seat push pedal, cutter seat clamp plate and oil tank, first guide block is fixed on the mold insert of mould benevolence down, and connect in the cutter upper end, the second guide block is fixed in the cutter seat push pedal, and connect at the cutter lower extreme, the cutter is fixed on the cutter seat, cutter seat and cutter seat push pedal interconnect, and set up at the lower die internally, be connected with the stroke pole on the oil tank, the stroke. The utility model discloses a product surface gloss that injection mold made is high, and no air line, weld line, the mould drawing of patterns is easy, and reducible goods is back to be out of shape, and the mouth of a river part does not need the aftertreatment, has improved production efficiency.

Description

Injection mold capable of improving product gas lines and fusion lines

Technical Field

The utility model relates to a mold, in particular to can improve product gas line, weld line's injection mold.

Background

Among traditional injection mold, the product has the position of bumping the perforation and must have the weld line, and when the multiple spot advances to glue, the weld line is better not controlled, and product surface local position gas line is difficult to be purified and clear moreover, and product surface glossiness is not good, and the mouth of a river part needs to carry out the aftertreatment simultaneously, leads to production efficiency low.

Therefore, further improvements are desired.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, product quality are good, production efficiency is high, the practicality is strong can improve the injection mold of product gas line, weld line to overcome the weak point among the prior art.

According to this purpose design's an injection mold that can improve product gas line, weld line, including the mould body, the mould body includes die body and lower die body, goes up and is equipped with mould benevolence on the die body, is equipped with lower mould benevolence on the lower die body, and the bottom of lower die body is equipped with down the sign indicating number template, this internal inscribe device that is equipped with of mould, its characterized in that: the inscribe device includes cutter, first guide block, second guide block, cutter seat push pedal, cutter seat clamp plate and oil tank, first guide block is fixed on the mold insert of lower mould benevolence, and connect in the cutter upper end, and the second guide block is fixed on the cutter seat push pedal, and connect at the cutter lower extreme, and the cutter is fixed on the cutter seat, cutter seat and cutter seat push pedal interconnect and set up at internal the lower mould, the cutter seat clamp plate is fixed at internal the lower mould, and the oil tank is fixed in the lower yard template, is connected with the stroke pole on the oil tank, and the stroke pole passes behind the cutter seat clamp plate and pegs graft with the cutter seat push pedal.

The lower die core is provided with a guide pillar assistor, the top of the guide pillar assistor is inserted into the upper die core, and the two sides of the lower die body are provided with side locks.

And a travel switch for stopping driving the oil cylinder is arranged on the lower die body.

The lower stacking template is provided with a thread joint seat communicated with the oil tank, the bottom of the oil tank is provided with a metal sheet for oil plugging, and the metal sheet is arranged in the lower stacking template.

And a return spring is arranged between the cutter seat and the cutter seat push plate and sleeved at the top end of the stroke rod.

The section of the cutter is elliptical.

The utility model discloses an injection MOLD's the mode that adopts mould inscribe and mould rapid cooling and rapid heating technique (E-MOLD) to combine together for the product surface gloss who makes out is high, and no air line, weld line, the mould drawing of patterns is easy, and reducible goods is back to warp, and the mouth of a river part does not need the aftertreatment, has improved production efficiency, and it has simple structure, product quality is good, production efficiency is high, the characteristics that the practicality is strong.

Drawings

Fig. 1 is a schematic view of an overall structure of an upper mold body in an embodiment of the present invention.

Fig. 2 is a schematic view of an overall structure of a lower mold body according to an embodiment of the present invention.

Fig. 3 is a sectional view of the injection mold according to an embodiment of the present invention.

Fig. 4 is a cross-sectional view of the injection mold in another direction according to an embodiment of the present invention.

Fig. 5 is a sectional view of the injection mold in a third direction according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a serging according to an embodiment of the present invention.

Fig. 7 is a schematic view of an overall structure of an internal cutting device according to an embodiment of the present invention.

Fig. 8 is an exploded schematic view of an inner cutting device according to an embodiment of the present invention.

Fig. 9 is a schematic structural diagram of a travel switch according to an embodiment of the present invention.

Fig. 10 is a schematic structural view of an upper mold core in an embodiment of the present invention.

Fig. 11 and 12 are sectional views of the upper mold core in different directions according to an embodiment of the present invention.

Fig. 13 is an exploded schematic view of an upper mold core according to an embodiment of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-13, the injection mold capable of improving the gas lines and the weld lines of the product comprises a mold body, wherein the mold body comprises an upper mold body a and a lower mold body b, the upper mold body a is provided with an upper mold core 1, the lower mold body b is provided with a lower mold core 2, the bottom of the lower mold body b is provided with a lower code template c, an internal cutting device is arranged in the mold body and comprises a cutter 6, a first guide block 7, a second guide block 12, a cutter seat 5, a cutter seat push plate 8, a cutter seat press plate 9 and an oil tank 11, the first guide block 7 is fixed on an insert of the lower mold core 2 and connected to the upper end of the cutter 6, the first guide block 7 corresponds to the position of a sprue, the second guide block 12 is fixed on the cutter seat push plate 8 and connected to the lower end of the cutter 6, and the; after the cutter 6 is installed, the cutter seat 5 is connected with the cutter seat push plate 8 through screws and arranged in the lower die body b, then the cutter seat pressing plate 9 is installed at the position below the cutter seat push plate 8, the cutter seat pressing plate 9 is also located in the lower die body b, the oil tank 11 is fixed in the lower die plate c, the stroke rod 10 is connected onto the oil tank 11, and the stroke rod 10 penetrates through the cutter seat pressing plate 9 and then is connected with the cutter seat push plate 8 in an inserting mode. When the die is in a hot cutting state, hydraulic oil enters the micro oil tank 11 from the fan-shaped screw tooth connector seat 15 through the lower die body b, drives the stroke rod 10, and then pushes the cutter seat push plate 8 to break the cutter 6 and the die cavity. The utility model discloses an injection mold can solve the gas line, the weld line that the product produced at the in-process of moulding plastics effectively, can make the mouth of a river part again and need not aftertreatment.

The lower die core 2 is provided with a guide pillar assistor 3, the top of the guide pillar assistor 3 is inserted into the upper die core 1, and the two sides of the lower die body b are provided with side locks 4.

The lower die body b is provided with a travel switch 16, and the travel switch 16 can ensure that the oil cylinder stops driving after the cutter 6 is ejected out of the travel.

The lower code template c is provided with a thread joint seat 15 communicated with the oil tank 11, the bottom of the oil tank 11 is provided with a copper sheet 14, and the copper sheet 14 is arranged in the lower code template c; all oil plugging modes of the injection mold are that screws are added with copper sheets 14, the bottom of an oil plugging hole needs to ensure flatness and smoothness, and chamfering is not needed.

A return spring 13 is arranged between the cutter seat 5 and the cutter seat push plate 8, and the return spring 13 is sleeved at the top end of the stroke rod 10.

The section of the cutter 6 is elliptical.

The utility model discloses an injection mold that can improve product gas line, weld line adopts when the inscribe mode of mould, the ellipse that bumps the perforation in the front of the product earlier with the rubberizing change into the blind hole, advance gluey mouth, scrap (bridge) 1MM, thickness 1MM, and advance from the middle of the mouth of a river piece and water, the mould is when the pressurize, through oil circuit controller control mould interior miniature oil tank 11 drive cutter 6 combination and cut the product, cut off even mouth of a river and the rubberizing part position before; during shearing, the cutter 6 is broken by the cavity to cut off the sprue, so the requirement on the precision of mold anastomosis is high, the dislocation is guaranteed within 0.02mm, otherwise, the insertion cannot be carried out, burrs are generated, so the guide pillar assistor 3 is added to the lower mold core 2, and the side locks 4 are added to the two sides of the lower mold body b.

When the injection mold capable of improving the gas lines and the weld lines of the product adopts a rapid cooling and rapid heating mode, the front mold material is selected to be a material which requires corrosion resistance, damage resistance and wear resistance, has small coefficient of expansion with heat and contraction with cold and good heat conductivity, and the mold selects the Hitachi CENA 1; the water conveying is reasonably designed, the water conveying position is 8-10MM, the diameter is 8MM, multiple groups of water conveying positions are uniformly distributed, the series connection is reduced as much as possible, and the water inlet and the water outlet of the die are designed by a flow distribution plate so as to reduce the connection of excessive water pipes and reduce the unnecessary loss of heat; the water pipe adopts a high-temperature resistant stainless steel corrugated pipe, and the high pressure resistance is at least 1.6Mpa, so that the high-temperature high-pressure sewer pipe is prevented from bursting; when the mold is closed, high-temperature hot water is injected into the mold through a rapid cooling and rapid heating mold temperature controller, when the temperature of the mold is raised to the upper limit value of the plastic, the plastic is injected into the mold cavity, after the pressure maintaining of the injection molding machine is completed, cooling water is injected through the mold temperature controller, the mold is opened after the temperature of the mold is reduced to a set value, and the whole injection molding process is completed.

The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides an injection mold that can improve product gas line, weld line, includes the mould body, the mould body includes die body (a) and lower die body (b), is equipped with mould benevolence (1) on going up die body (a), is equipped with lower mould benevolence (2) on lower die body (b), and the bottom of lower die body (b) is equipped with down sign indicating number template (c), this internal inscribe device, its characterized in that are equipped with of mould: the inner cutting device comprises a cutter (6), a first guide block (7), a second guide block (12), a cutter seat (5), a cutter seat push plate (8), a cutter seat press plate (9) and an oil tank (11), the first guide block (7) is fixed on the insert of the lower die core (2) and connected with the upper end of the cutter (6), the second guide block (12) is fixed on the cutter seat push plate (8) and connected with the lower end of the cutter (6), the cutter (6) is fixed on the cutter seat (5), the cutter seat (5) and the cutter seat push plate (8) are connected with each other and are arranged in the lower die body (b) together, the cutting knife seat pressing plate (9) is fixed in the lower die body (b), the oil tank (11) is fixed on the lower code template (c), the oil tank (11) is connected with the stroke rod (10), and the stroke rod (10) penetrates through the cutting knife seat pressing plate (9) and then is connected with the cutting knife seat pushing plate (8) in an inserting mode.

2. The injection mold capable of improving the product gas lines and the weld lines according to claim 1, is characterized in that: the lower die core (2) is provided with a guide pillar assistor (3), the top of the guide pillar assistor (3) is inserted into the upper die core (1), and the two sides of the lower die body (b) are provided with side locks (4).

3. The injection mold capable of improving the product gas lines and the weld lines according to claim 2, is characterized in that: and a travel switch (16) for stopping driving the oil cylinder is arranged on the lower die body (b).

4. The injection mold capable of improving the product gas lines and the weld lines according to claim 1, is characterized in that: the lower stacking template (c) is provided with a screw thread joint seat (15) communicated with the oil tank (11), the bottom of the oil tank (11) is provided with a metal sheet (14) for blocking oil, and the metal sheet (14) is arranged in the lower stacking template (c).

5. The injection mold capable of improving the product gas lines and the weld lines according to claim 1, is characterized in that: a return spring (13) is arranged between the cutter seat (5) and the cutter seat push plate (8), and the return spring (13) is sleeved at the top end of the stroke rod (10).

6. An injection mold capable of improving the product gas lines and the weld lines according to any one of claims 1 to 5, wherein: the section of the cutter (6) is elliptical.

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