CN219213937U

CN219213937U - Injection mold capable of discharging injection bubbles

Info

Publication number: CN219213937U
Application number: CN202320199779.9U
Authority: CN
Inventors: 王晓森
Original assignee: Qingdao Yuyiguang Electrical Appliance Co ltd
Current assignee: Qingdao Yuyiguang Electrical Appliance Co ltd
Priority date: 2023-02-09
Filing date: 2023-02-09
Publication date: 2023-06-20
Anticipated expiration: 2033-02-09

Abstract

The utility model discloses an injection mold capable of discharging injection bubbles, which relates to the technical field of injection mold equipment and comprises a first outer mold and a second outer mold, wherein a first inner mold is sleeved on the inner side of the first outer mold, a second inner mold is sleeved on the inner side of the second outer mold, the shapes of the first inner mold and the second inner mold are consistent, the valve plate rod can be moved outwards in a sliding groove under the action of a spring by a torsion thread supporting rod through a provided exhaust mechanism, until an air connection port at the bottom end of the valve plate rod is communicated with the outside, so that air in the first inner mold and the second inner mold on the inner side of the first outer mold can be discharged by pressure, the outer mold and the inner mold are directly in butt joint through an exhaust groove, and therefore, even if different inner molds are replaced, a better exhaust effect can be realized through the exhaust grooves at different positions, the replacement quantity of a mold set is less, and the replacement of the mold set is more convenient.

Description

Injection mold capable of discharging injection bubbles

Technical Field

The utility model relates to the technical field of injection mold equipment, in particular to an injection mold capable of discharging injection bubbles.

Background

The injection mold is two groups of butt-jointed molds, molten plastic liquid is injected into the mold cavity, the plastic product is manufactured after cooling, the injection molding is generally faced with products with more complex appearance and various structures, so that the quality of the injection molding finished product is directly determined by the injection mold, most commonly, the air in the mold cavity can influence the injection pushing effect and can generate injection bubbles in the high-pressure injection molding process, the grooving design is needed on the surface of the mold, and the requirement that the pressure can effectively discharge the air out of the mold cavity in the injection molding process is met.

Because the quality of the product when the mould is taken out can be influenced by a plurality of exhaust grooves, the exhaust grooves on the surface of the traditional injection mould are formed in the specified positions, when different products need to be injected, the whole mould needs to be replaced due to the difference of the exhaust grooves, so that certain inconvenience exists, in addition, the butting effect between the moulds can also directly influence the quality of the actual injection mould products, and the moulds cannot be tightly aligned due to frequent replacement of the mould groups. To this end, we provide an injection mold that can discharge injection bubbles to solve the above problems.

Disclosure of Invention

Technical problem to be solved

The utility model aims to make up the defects of the prior art and provides an injection mold capable of discharging injection bubbles.

Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an injection mold that can discharge bubble of moulding plastics, includes first outer mould and second outer mould, the inboard cover of first outer mould is equipped with first interior mould, the inboard cover of second outer mould is equipped with the second interior mould, and the appearance of first interior mould and second interior mould keeps unanimous, the outer fixedly connected with of first outer mould a plurality of groups exhaust mechanism, and exhaust mechanism is rectangular array distribution about the surface of first outer mould, the equal fixedly connected with fixed establishment of opposite side of first outer mould and second outer mould, the back swing joint of first outer mould has the push rod of peeling off.

Above-mentioned, exhaust mechanism includes exhaust groove, spout, valve block pole, support ring, spring, drive seat and screw thread and support the pole, valve block pole sliding connection is in the inboard of spout, support ring fixed connection in one side of valve block pole, the spring cup joints in the one end of valve block pole, screw thread supports threaded connection between pole and the drive seat.

The bottom end of the transmission seat is fixedly connected with the first outer die, the exhaust groove and the sliding groove are communicated with each other, the exhaust groove and the sliding groove are formed in the top surface of the first outer die, and the supporting ring is elastically connected with the first outer die through the spring.

Above-mentioned, the bottom of screw thread supporting pole aligns with the top of supporting the ring each other, the appearance of valve block pole is the convexity, and the valve block pole is kept away from the one end of supporting the ring and has been seted up rectangular air-connection groove.

Above-mentioned, fixed establishment includes four main inserts, two sets of vice inserts, five screw, a plurality of butt joint inserts and butt joint slot of group, main insert fixed connection is in the inboard four corners of second outer mould, threaded connection between vice insert and the screw, peg graft each other between butt joint insert and the butt joint slot.

Above-mentioned, first interior mould and second interior mould are pegged graft respectively between four main inserts of group and two sets of vice inserts and first outer mould and the second outer mould, the screw is seted up and is located the opposite side surface of first outer mould and second outer mould, and is equidistant straight line distribution between the screw.

Above-mentioned, butt joint inserted block fixed connection is in the top surface of first outer mould, and butt joint inserted block is located the top of spout, butt joint slot sets up in the bottom surface of second outer mould, and aligns each other between butt joint slot and the butt joint inserted block.

The beneficial effects are that:

compared with the prior art, the injection mold capable of discharging injection bubbles has the following beneficial effects:

1. according to the utility model, through the arranged exhaust mechanism, the supporting ring can move the valve plate rod outwards in the chute under the action of the spring through twisting the threaded supporting rod until the air connection port at the bottom end of the valve plate rod is communicated with the outside, so that air in the first inner mold and the second inner mold at the inner sides of the first outer mold and the second outer mold can be well discharged by pressure, and the outer mold and the inner mold are directly in butt joint through the exhaust grooves, so that even if different inner molds are replaced, a good exhaust effect can be realized through the exhaust grooves at different positions, the replacement number of the mold sets is less, and the mold sets are convenient.

2. According to the utility model, through the fixing mechanism, after the first inner mold and the second inner mold are replaced, the butt joint positions between the auxiliary insert blocks and the screw holes can be changed, so that the insertion and fixation between different first inner molds and second inner molds and auxiliary insert blocks can be realized, the fixation between the first inner mold and the second inner mold and the fixation between the first outer mold and the second outer mold can be realized under the action of the main insert block, and meanwhile, the alignment and fixation between the first outer mold and the second outer mold can be ensured under the insertion of the butt joint insert blocks and the butt joint slots, and the sealing effect during injection molding can be effectively improved.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

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

FIG. 2 is a plan view showing a first outer mold according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure at point A of FIG. 2 according to the present utility model;

fig. 4 is a diagram showing the connection of the second outer mold according to the present utility model.

In the figure: 1. a first outer mold; 2. a second outer mold; 3. a first inner mold; 4. a second inner mold; 5. an exhaust mechanism; 501. an exhaust groove; 502. a chute; 503. a valve plate rod; 504. a support ring; 505. a spring; 506. a transmission seat; 507. a threaded abutment; 6. a fixing mechanism; 601. a main plug block; 602. an auxiliary plug block; 603. a screw hole; 604. a butt-joint plug block; 605. a butt joint slot; 7. the push rod is peeled off.

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.

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides an injection mold that can discharge bubble of moulding plastics, including first outer mould 1 and second outer mould 2, the inboard cover of first outer mould 1 is equipped with first interior mould 3, the inboard cover of second outer mould 2 is equipped with second interior mould 4, and the appearance of first interior mould 3 and second interior mould 4 keeps unanimous, the outer fixedly connected with of first outer mould 1 a plurality of groups exhaust mechanism 5, and exhaust mechanism 5 is rectangular array distribution about the surface of first outer mould 1, the equal fixedly connected with fixed establishment 6 of opposite side of first outer mould 1 and second outer mould 2, the back swing joint of first outer mould 1 has stripping push rod 7.

In this embodiment, the first outer mould 1, the second outer mould 2 and the first inner mould 3, the grafting between the second inner mould 4 is fixed through fixed establishment 6, align each other between inner mould and the exhaust mechanism 5 this moment, through stirring exhaust mechanism 5, realize that the exhaust mechanism 5 of single point position opens, the interior mould of different appearances also can correspond to the exhaust mechanism 5 of prescribed position like this, realize the exhaust effect in all directions, need not to change the mould is whole, it is relatively convenient, the suitability is strong, and fixed establishment 6 can satisfy the better butt joint effect between the inner and outer moulds, improve the leakproofness, make the work of moulding plastics can normally go on, and after the cooling of moulding plastics is accomplished, peel off push rod 7 can drive the product and peel off from the mould is inside, realize the ejection of compact.

As shown in fig. 3, the exhaust mechanism 5 includes an exhaust slot 501, a chute 502, a valve plate rod 503, an abutment ring 504, a spring 505, a transmission seat 506 and a threaded abutment rod 507, the valve plate rod 503 is slidably connected to the inner side of the chute 502, the abutment ring 504 is fixedly connected to one side of the valve plate rod 503, the spring 505 is sleeved at one end of the valve plate rod 503, and the threaded abutment rod 507 is in threaded connection with the transmission seat 506. The bottom end of the transmission seat 506 is fixedly connected with the first outer die 1, the exhaust groove 501 and the sliding groove 502 are mutually communicated, the exhaust groove 501 and the sliding groove 502 are both arranged on the top surface of the first outer die 1, and the supporting ring 504 is elastically connected with the first outer die 1 through a spring 505. The bottom of the threaded supporting rod 507 is aligned with the top of the supporting ring 504, the valve plate rod 503 is in a convex shape, and one end of the valve plate rod 503 far away from the supporting ring 504 is provided with a rectangular air connecting groove.

In this embodiment, when the screw thread on the torsion transmission seat 506 pushes against the pole 507, the bottom of the screw thread pushes against the pole 507 gradually upward movement, at this moment, under the elastic action of the spring 505, the pushing ring 504 drives the valve plate pole 503 upward movement, until the air connection port at the bottom of the valve plate pole 503 communicates with the outside, and the communication between the chute 502 and the air exhaust groove 501, the air exhaust groove 501 communicates with the first inner mold 3 directly, thus realizing better air exhaust effect, preventing air bubble generation, even if changing different inner molds, the single-point position air exhaust can be realized by abutting against the air exhaust mechanism 5 at different positions, thus the design of the extra air exhaust groove 501 position of the molds is not needed, and the applicability of the first outer mold 1 and the second outer mold 2 is stronger.

As shown in fig. 2 and 4, the fixing mechanism 6 includes four sets of main insert blocks 601, two sets of auxiliary insert blocks 602, five sets of screw holes 603, a plurality of sets of butt insert blocks 604 and butt insert slots 605, the main insert blocks 601 are fixedly connected to four corners inside the second outer die 2, the auxiliary insert blocks 602 are in threaded connection with the screw holes 603, and the butt insert blocks 604 are mutually inserted with the butt insert slots 605. The first inner die 3 and the second inner die 4 are respectively inserted into the first outer die 1 and the second outer die 2 through four groups of main insertion blocks 601 and two groups of auxiliary insertion blocks 602, screw holes 603 are formed in the opposite side surfaces of the first outer die 1 and the second outer die 2, and the screw holes 603 are distributed in an equidistant straight line mode. The butt-joint inserting block 604 is fixedly connected to the top surface of the first outer die 1, the butt-joint inserting block 604 is located at the top of the sliding groove 502, the butt-joint inserting groove 605 is formed in the bottom surface of the second outer die 2, and the butt-joint inserting groove 605 and the butt-joint inserting block 604 are mutually aligned.

In this embodiment, the first inner mold 3 and the second inner mold 4 can be fixed by inserting the four sets of main inserts 601 in the fixing mechanism 6 with the outer mold, and when facing inner molds with different shapes, the auxiliary inserts 602 are in butt joint with different screw holes 603, so that different inner molds can be fixedly mounted on the inner sides of the outer molds, meanwhile, the opposite sides of the first outer mold 1 and the second outer mold 2 are fixedly provided with the butt joint insert 604 and the butt joint slot 605, and the butt joint effect of the butt joint insert 604 and the butt joint slot 605 is enhanced, so that the connection effect of the first outer mold 1 and the second outer mold 2 is improved, and the tightness is good.

Working principle: the first inner die 3, the second inner die 4, the first outer die 1 and the second outer die 2 are fixedly connected through four groups of main plug blocks 601 and two groups of auxiliary plug blocks 602 in the fixing mechanism 6, when the inner dies with different external dimensions face each other, the butt joint positions of the auxiliary plug blocks 602 and the screw holes 603 can be changed, the butt joint fixing of the different dies is realized, meanwhile, the fixing of the first outer die 1 and the second outer die 2 is realized through the butt joint plug blocks 604 and the butt joint slots 605, plastic liquid is injected into the inner dies, the abutting rod 507 on the transmission seat 506 in the torsion exhaust mechanism 5 is driven to move under the elastic action of the springs 505, at this time, the valve plate rod 503 slides in the chute 502 until the air connection port at one end of the valve plate rod 503 is in contact with the outside, the exhaust groove 501 can directly exhaust outwards, the exhaust mechanism 5 is in rectangular distribution as a whole, the opening and closing of the exhaust mechanism 5 at different positions are satisfied, and finally, after cooling is finished, the stripping push rod 7 operates to drive a product to discharge.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "fixedly attached," "mounted," "connected," and "coupled" are to be construed broadly, e.g., as a fixed connection, as a removable connection, or as an integral connection; "coupled" may be either mechanical or electrical; the "connection" may be direct, indirect via an intermediary, or communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. Injection mold capable of discharging injection bubbles, comprising a first outer mold (1) and a second outer mold (2), and being characterized in that: the novel plastic composite mold is characterized in that a first inner mold (3) is sleeved on the inner side of the first outer mold (1), a second inner mold (4) is sleeved on the inner side of the second outer mold (2), the shapes of the first inner mold (3) and the second inner mold (4) are kept consistent, the outer ends of the first outer mold (1) are fixedly connected with a plurality of groups of exhaust mechanisms (5), the exhaust mechanisms (5) are distributed in rectangular arrays relative to the surface of the first outer mold (1), fixing mechanisms (6) are fixedly connected to the opposite sides of the first outer mold (1) and the opposite sides of the second outer mold (2), and stripping push rods (7) are movably connected to the back sides of the first outer mold (1).

2. An injection mold capable of discharging injection air bubbles according to claim 1, wherein: the exhaust mechanism (5) comprises an exhaust groove (501), a sliding groove (502), a valve plate rod (503), a supporting ring (504), a spring (505), a transmission seat (506) and a threaded supporting rod (507), wherein the valve plate rod (503) is slidably connected to the inner side of the sliding groove (502), the supporting ring (504) is fixedly connected to one side of the valve plate rod (503), the spring (505) is sleeved at one end of the valve plate rod (503), and the threaded supporting rod (507) is in threaded connection with the transmission seat (506).

3. An injection mold capable of discharging injection air bubbles according to claim 2, wherein: the bottom of transmission seat (506) is fixedly connected with first outer mould (1), communicate each other between exhaust groove (501) and spout (502), and exhaust groove (501) and spout (502) are all offered in the top surface of first outer mould (1), support elastic connection between ring (504) and first outer mould (1) through spring (505).

4. An injection mold capable of discharging injection air bubbles according to claim 3, wherein: the bottom of the threaded supporting rod (507) is aligned with the top of the supporting ring (504), the valve plate rod (503) is in a convex shape, and one end of the valve plate rod (503) far away from the supporting ring (504) is provided with a rectangular air connecting groove.

5. An injection mold capable of discharging injection air bubbles according to claim 1, wherein: the fixing mechanism (6) comprises four groups of main plug blocks (601), two groups of auxiliary plug blocks (602), five groups of screw holes (603), a plurality of groups of butt plug blocks (604) and a butt joint slot (605), wherein the main plug blocks (601) are fixedly connected to four corners on the inner side of the second outer die (2), the auxiliary plug blocks (602) are in threaded connection with the screw holes (603), and the butt joint plug blocks (604) are mutually inserted with the butt joint slot (605).

6. An injection mold capable of discharging injection air bubbles according to claim 5, wherein: the first inner die (3) and the second inner die (4) are respectively inserted between the first outer die (1) and the second outer die (2) through four groups of main insertion blocks (601) and two groups of auxiliary insertion blocks (602), screw holes (603) are formed in the opposite side surfaces of the first outer die (1) and the second outer die (2), and the screw holes (603) are distributed in an equidistant straight line mode.

7. An injection mold capable of discharging injection air bubbles according to claim 6, wherein: the butt joint inserting block (604) is fixedly connected to the top surface of the first outer die (1), the butt joint inserting block (604) is located at the top of the sliding groove (502), the butt joint inserting groove (605) is formed in the bottom surface of the second outer die (2), and the butt joint inserting groove (605) and the butt joint inserting block (604) are mutually aligned.