CN216506423U

CN216506423U - Storage box mold

Info

Publication number: CN216506423U
Application number: CN202122453188.3U
Authority: CN
Inventors: 岑元
Original assignee: Wuxi Shunlianfeng Technology Co ltd
Current assignee: Wuxi Shunlianfeng Technology Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-05-13
Anticipated expiration: 2031-10-12

Abstract

The utility model belongs to the technical field of storage box molds, and discloses a storage box mold which comprises a convex mold plate, a concave mold plate, a fixed mold assembly and a movable mold assembly, wherein a cooling runner is arranged in the convex mold plate, and cooling liquid flows through the cooling runner; the concave template is buckled with the convex template, and a cavity space is formed between the concave template and the convex template; the fixed die assembly is fixedly connected with the concave die plate, and a feed inlet is formed in the fixed die assembly; the movable mould component is fixedly connected with the convex mould plate, an injection channel is formed between the fixed mould component and the movable mould component, the cross section of the injection channel is trapezoidal, the injection channel is respectively communicated with the feed inlet and the cavity space, and a stop block is arranged at one end, close to the cavity space, of the injection channel. This storing box mould can cool off the feed liquid in the die cavity space, can effectively reduce the stress in the die cavity space, reduces the feed liquid backward flow, has reduced the deformation of shaping back storing box.

Description

Storage box mold

Technical Field

The utility model relates to the technical field of storage box molds, in particular to a storage box mold.

Background

The existing storage box mold is easy to cool unevenly during injection molding in the injection molding process, so that the storage box subjected to injection molding is deformed, particularly for the storage box with a large design size, the temperature of each part is not equal during injection molding, the cooling is uneven, the storage box is easy to deform, the size of a product is not consistent with the design size, the rejection rate is high, the storage box with a large size is difficult to demold after being cooled and molded, the demolding efficiency is low, and the production and manufacturing difficulty is improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a storage box mold, which aims to solve the problems that the cooling is not uniform and a formed storage box is easy to deform in the injection molding process of the existing mold.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a storage box mold, comprising:

a male mold plate having a cooling channel disposed therein, through which a cooling fluid flows;

the female die plate is buckled with the male die plate, and a cavity space is formed between the female die plate and the male die plate;

the fixed die assembly is fixedly connected with the concave die plate, and a feed inlet is formed in the fixed die assembly;

the movable mould subassembly, with convex die plate fixed connection, the cover half subassembly with it annotates the material passageway to form between the movable mould subassembly, it is trapezoidal to annotate the material passageway cross-section, annotate the material passageway respectively with the feed inlet the die cavity space is linked together, it is close to annotate the material passageway the one end in die cavity space is provided with the backstop piece.

Optionally, the cooling flow channel includes a main flow channel and a sub flow channel which are vertically arranged, the sub flow channel is provided with at least one, and the flowing direction of the cooling liquid in the sub flow channel is opposite to the flowing direction of the liquid in the cavity space.

Optionally, the cover half subassembly includes fixed die plate, cover half apron and runner cover, the die cavity board mounting groove has been seted up on the fixed die plate, the die cavity board install in the die cavity board mounting groove, the cover half apron is arranged in the fixed die plate with the die cavity board top, feed inlet department is provided with the runner cover.

Optionally, the fixed die assembly further comprises a positioning ring, and the positioning ring is detachably connected with the sprue bush.

Optionally, the movable mold assembly comprises a movable mold plate, a movable mold base plate and a supporting seat, the movable mold base plate is installed above the supporting seat, the movable mold plate and the convex mold plate are fixedly installed on the movable mold base plate, and the material injection channel is formed between the movable mold plate and the fixed mold plate.

Optionally, a sliding sleeve is inserted into the fixed die plate, and a first fastening member penetrates through the movable die plate and extends into the sliding sleeve to fix the fixed die plate and the movable die plate.

Optionally, the movable mould subassembly still includes push pedal mechanism, the inside cavity of supporting seat, push pedal mechanism install in the supporting seat, push pedal mechanism includes:

the guide post is vertically arranged, and two ends of the guide post are respectively fixedly connected with the movable die base plate and the inner wall of the supporting seat;

the push plate is arranged in the supporting seat and is in sliding connection with the guide post;

and one end of the material pulling rod is fixedly connected with the push plate, and the other end of the material pulling rod can penetrate through the movable die plate and the movable die base plate to plug the sprue bush.

Optionally, the push plate mechanism further comprises a push rod, one end of the push rod is fixedly connected with the push plate, and the other end of the push rod can penetrate through the movable die base plate and the convex die plate and extend into the cavity space to be demoulded.

Optionally, the supporting seat includes a supporting frame and a supporting bottom plate, and the supporting frame, the supporting bottom plate, the movable die base plate and the movable die plate are fixedly connected through a second fastener.

Optionally, a plurality of stop nails are arranged on the supporting bottom plate.

The utility model has the beneficial effects that:

according to the storage box mold, a cavity space is formed between the convex mold plate and the concave mold plate and is used for forming a storage box through injection molding, the cooling flow channel is arranged in the convex mold plate and can be used for cooling feed liquid in the cavity space, after the feed liquid in the cavity space is cooled and shrunk, the feed liquid in the material injection channel can flow into the cavity space, shrinkage allowance is supplemented, and stress of the formed storage box is reduced. Annotate the material passageway cross-section and be trapezoidal, annotate the material passageway and be provided with the backstop piece in the one end that is close to the die cavity space, can the current-limiting in order to reduce the cross-sectional area that annotates the material passageway and switch on the department with the die cavity space, be convenient for maintain the pressure in the die cavity space, reduce the feed liquid and flow back, improve the homogeneity of temperature in the die cavity space.

Drawings

FIG. 1 is a sectional view of the mold for a storage case according to the present invention;

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

fig. 3 is a partial cross-sectional view of the injection passage of the present invention taken along the direction B-B in fig. 1.

In the figure:

1. a convex template; 11. a cooling flow channel; 111. a main flow channel; 112. a shunt channel;

2. a cavity plate; 21. a cavity space;

3. a stationary die assembly; 31. a feed inlet; 32. fixing a template; 321. a sliding sleeve; 33. a cover plate of the fixed die; 34. a sprue bush; 35. a positioning ring;

4. a movable die assembly; 41. moving the template; 42. a movable die base plate; 43. a supporting seat; 431. a support frame; 432. a support base plate; 4321. blocking nails; 44. a push plate mechanism; 441. a guide post; 442. pushing the plate; 443. pulling a material rod; 444. a push rod;

5. a material injection channel; 51. a stop block;

100. a first fastener; 101. a second fastener.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1-3, the utility model provides a storage box mold, which comprises a male mold plate 1, a female mold plate 2, a fixed mold assembly 3 and a movable mold assembly 4. A cooling runner 11 is arranged in the male die plate 1, and cooling liquid flows through the cooling runner 11; the concave template 2 is buckled with the convex template 1, and a cavity space 21 is formed between the concave template 2 and the convex template 1; the fixed die component 3 is fixedly connected with the concave die plate 2, and a feed inlet 31 is formed in the fixed die component 3; the movable die assembly 4 is fixedly connected with the convex die plate 1, the material injection channel 5 is formed between the fixed die assembly 3 and the movable die assembly 4, the section of the material injection channel 5 is trapezoidal, the material injection channel 5 is respectively communicated with the feeding hole 31 and the cavity space 21, and the stop block 51 is arranged at one end, close to the cavity space 21, of the material injection channel 5.

In this embodiment, the shape and size of the male die plate 1 are matched with the shape and size of the female die plate 2, a cavity space 21 is formed between the male die plate 1 and the female die plate 2, the cavity space 21 is related to the shape and size of the storage box after injection molding, a material injection channel 5 is formed between the fixed die assembly 3 and the movable die assembly 4, and material liquid is injected through a feed port 31 on the fixed die assembly 3 and then flows into the cavity space 21 formed by the male die plate 1 and the female die plate 2 through the material injection channel 5. The male die plate 1 is provided with a cooling flow passage 11 therein to uniformly cool the feed liquid in the cavity space 21. As shown in fig. 2 and 3, the section of the material injection channel 5 is trapezoidal, a stop block 51 is arranged at the communication position of the material injection channel 5 and the cavity space 21, and the stop block 51 can limit the flow to reduce the cross-sectional area of the communication position of the material injection channel 5 and the cavity space 21, so that the pressure in the cavity space 21 is maintained, the backflow of material liquid in the cavity space 21 is reduced, and the uniformity of the temperature in the cavity space 21 is improved.

Specifically, as shown in fig. 1, the cooling flow channel 11 includes a main flow channel 111 and a branch flow channel 112 vertically arranged, at least one branch flow channel 112 is provided, and the flow direction of the cooling liquid in the branch flow channel 112 is opposite to the flow direction of the feed liquid in the cavity space 21. Runner 112 is provided with two in this embodiment, two subchannel 112 all communicate with main runner 111, the feed liquid is poured into from the left end of die cavity space 21 through annotating material passageway 5, feed liquid flows to the right-hand member from die cavity space 21 left end in the die cavity space 21, and then fills whole die cavity space 21, the flow direction of cooling liquid is for from the right side to left in subchannel 112, opposite with the flow direction of feed liquid in die cavity space 21, make behind the cooling shrinkage of feed liquid in the die cavity space 21, the feed liquid in annotating the material passageway 5 can pour into in die cavity space 21, supplementary shrink allowance, reduce the stress of shaping storing box, prevent deformation.

Specifically, the fixed die assembly 3 comprises a fixed die plate 32, a fixed die cover plate 33 and a sprue bush 34, a concave die plate mounting groove is formed in the fixed die plate 32, the concave die plate 2 is mounted in the concave die plate mounting groove, the fixed die cover plate 33 is arranged above the fixed die plate 32 and the concave die plate 2, and the sprue bush 34 is arranged at the feed port 31. In the embodiment, the fixed die assembly 3 is assembled by a fixed die plate 32, a fixed die cover plate 33 and a sprue bush 34, the concave die plate 2 is installed in a concave die plate installation groove on the fixed die plate 32, the sprue bush 34 is arranged at the feed port 31, and the feed liquid flows into the feeding channel 5 through the sprue bush 34.

More specifically, the fixed mold assembly 3 further comprises a positioning ring 35, the positioning ring 35 is detachably connected with the sprue bush 34, and the positioning ring 35 is used for positioning and fixing the sprue bush 34 to prevent the sprue bush 34 from falling off.

Specifically, the movable mold assembly 4 comprises a movable mold plate 41, a movable mold backing plate 42 and a support seat 43, the movable mold backing plate 42 is mounted above the support seat 43, the movable mold plate 41 and the convex mold plate 1 are fixedly mounted on the movable mold backing plate 42, and the material injection channel 5 is formed between the movable mold plate 41 and the fixed mold plate 32. In the present embodiment, the movable mold assembly 4 is assembled by the movable mold plate 41, the movable mold base plate 42 and the support base 43, the support base 43 includes the support frame 431 and the support base plate 432, and the support frame 431, the support base plate 432, the movable mold base plate 42 and the movable mold plate 41 are fixedly connected by the second fastening member 101.

Specifically, the movable mold assembly 4 further includes a push plate mechanism 44, the support seat 43 is hollow, the push plate mechanism 44 is installed in the support seat 43, and the push plate mechanism 44 includes the guide post 441, the push plate 442, and the material pulling rod 443. The guide post 441 is vertically arranged, and two ends of the guide post 441 are respectively fixedly connected with the inner walls of the movable die base plate 42 and the supporting seat 43; the push plate 442 is arranged in the support seat 43 and is connected with the guide post 441 in a sliding way; one end of the pulling rod 443 is fixedly connected with the push plate 442, and the other end of the pulling rod can penetrate through the movable die plate 41 and the movable die backing plate 42 to plug the sprue bush 34. As shown in fig. 1, the pushing plate 442 can move up and down along the guiding post 441, and the pushing plate 442 moves up to drive the material pulling rod 443 to move up to block the sprue bush 34, thereby blocking the feed opening 31 and cutting off the feed liquid supply.

Optionally, the push plate mechanism 44 further comprises a push rod 444, one end of the push rod 444 is fixedly connected to the push plate 442, and the other end of the push rod 444 can penetrate through the movable die base plate 42 and the male die plate 1 and extend into the cavity space 21 for demolding. In this embodiment, after the material liquid in the cavity space 21 is cooled and formed, the push plate 442 drives the push rod 444 to move upwards, and the push rod 444 can extend into the cavity space 21 to eject the storage box cooled and formed in the cavity space 21, so as to facilitate demolding.

Optionally, a plurality of stop pins 4321 are disposed on the supporting base plate 432, and the stop pins 4321 are detachably connected to the supporting base plate 432 for supporting the spaced-apart push plate 442 and preventing the push plate 442 from being worn by collision with the supporting base plate 432.

Optionally, as shown in fig. 1, a sliding sleeve 321 is inserted into the fixed die plate 32, the first fastening member 100 passes through the movable die plate 41 and extends into the sliding sleeve 321 to fix the fixed die plate 32 and the movable die plate 41, in this embodiment, the fixed die plate 32 and the movable die plate 41 are detachably connected through the sliding sleeve 321 and the first fastening member 100, and the fixed die plate 32 and the movable die plate 41 can be quickly assembled and disassembled.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A storage box mold, comprising:

the cooling device comprises a convex template (1), wherein a cooling flow channel (11) is arranged in the convex template (1), and cooling liquid flows through the cooling flow channel (11);

the die comprises a concave die plate (2), wherein the concave die plate (2) is buckled with the convex die plate (1), and a die cavity space (21) is formed between the concave die plate (2) and the convex die plate (1);

the fixed die assembly (3) is fixedly connected with the concave die plate (2), and a feeding hole (31) is formed in the fixed die assembly (3);

movable mould subassembly (4), with convex die plate (1) fixed connection, cover half subassembly (3) with it annotates material passageway (5) to form between movable mould subassembly (4), it is trapezoidal to annotate material passageway (5) cross-section, annotate material passageway (5) respectively with feed inlet (31) die cavity space (21) are linked together, it is close to annotate material passageway (5) the one end in die cavity space (21) is provided with backstop piece (51).

2. The storage box mold according to claim 1, wherein the cooling flow channel (11) comprises a main flow channel (111) and a sub flow channel (112) which are vertically arranged, at least one sub flow channel (112) is arranged, and the flow direction of the cooling liquid in the sub flow channel (112) is opposite to the flow direction of the feed liquid in the cavity space (21).

3. The storage box mold according to claim 1, wherein the fixed mold assembly (3) comprises a fixed mold plate (32), a fixed mold cover plate (33) and a sprue bush (34), a concave mold plate mounting groove is formed in the fixed mold plate (32), the concave mold plate (2) is mounted in the concave mold plate mounting groove, the fixed mold cover plate (33) is arranged above the fixed mold plate (32) and the concave mold plate (2), and the sprue bush (34) is arranged at the feed port (31).

4. A mold for a storage box according to claim 3, wherein the fixed mold component (3) further comprises a positioning ring (35), and the positioning ring (35) is detachably connected with the sprue bush (34).

5. The mold for storage box according to claim 3, wherein the movable mold assembly (4) comprises a movable mold plate (41), a movable mold base plate (42) and a support seat (43), the movable mold base plate (42) is mounted above the support seat (43), the movable mold plate (41) and the protruding mold plate (1) are fixedly mounted on the movable mold base plate (42), and the injection channel (5) is formed between the movable mold plate (41) and the fixed mold plate (32).

6. The storage box mold according to claim 5, wherein a sliding sleeve (321) is inserted on the fixed mold plate (32), and a first fastening member (100) passes through the movable mold plate (41) and extends into the sliding sleeve (321) to fix the fixed mold plate (32) and the movable mold plate (41).

7. The storage box mold according to claim 5, wherein the movable mold assembly (4) further comprises a push plate mechanism (44), the support base (43) is hollow inside, the push plate mechanism (44) is installed in the support base (43), and the push plate mechanism (44) comprises:

the guide post (441) is vertically arranged, and two ends of the guide post (441) are respectively fixedly connected with the inner walls of the movable die base plate (42) and the supporting seat (43);

the push plate (442) is arranged in the supporting seat (43) and is connected with the guide post (441) in a sliding way;

and one end of the material pulling rod (443) is fixedly connected with the push plate (442), and the other end of the material pulling rod (443) can penetrate through the movable die plate (41) and the movable die backing plate (42) to plug the sprue bush (34).

8. The mold for storage box according to claim 7, wherein the push plate mechanism (44) further comprises a push rod (444), one end of the push rod (444) is fixedly connected to the push plate (442), and the other end of the push rod can penetrate through the movable die base plate (42) and the male die plate (1) and extend into the cavity space (21) for demolding.

9. The storage box mold according to claim 5, wherein the support base (43) comprises a support frame (431) and a support bottom plate (432), and the support frame (431), the support bottom plate (432), the movable die plate (42) and the movable die plate (41) are fixedly connected by a second fastener (101).

10. Storage box mould according to claim 9, characterized in that a plurality of stop pegs (4321) are provided on the support floor (432).