CN218139651U

CN218139651U - Diagonal position die

Info

Publication number: CN218139651U
Application number: CN202222424107.1U
Authority: CN
Inventors: 何兆伦
Original assignee: Guangxi Dongcheng Electronic Plastic Co ltd
Current assignee: Guangxi Dongcheng Electronic Plastic Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2022-12-27
Anticipated expiration: 2032-09-13

Abstract

The utility model discloses a position mould moves to one side, the lower mould is suitable for connecting the injection molding machine, the upper end of lower mould is provided with the cavity, first base plate is stretched out to core section of thick bamboo grafting and part downwardly protruding, the inner wall of core section of thick bamboo is provided with first spout and perisporium and has seted up the through-hole, the lower extreme of push-and-pull rod is provided with the first oblique driving lever that is suitable for to penetrate flexible piece, the upper end is suitable for connecting the injection molding machine, first base plate is suitable for the mould power spare drive that opens and shuts by the injection molding machine to go up and down, the protruding extension portion business turn over cavity of messenger's core section of thick bamboo, make flexible piece slide in order to stretch out and draw back at the through-hole along first spout. Aiming at a cylindrical plastic product with a concave part on the inner wall, the telescopic block can extend out of the core barrel to form the concave part on the inner wall of the product, and the telescopic block can be hidden after the injection molding of the product is finished, so that the core barrel is ensured to be pulled away, and the demolding is ensured; the utility model discloses in, to the tube-shape plastic product of inner wall area concave part, solve its injection moulding technology, abandon low efficiency expensive technologies such as 3D prints.

Description

Diagonal position die

Technical Field

The utility model relates to an injection moulding especially relates to a diagonal position mould.

Background

In the plastic toy products, referring to the parts of the products to be produced shown in fig. 1 to 3, the products are in a certain cylindrical shape, and the inner wall of the cylindrical product needs to be provided with a concave part.

Therefore, the existing simple columnar core is not applicable, and the core with the convex part is difficult to solve the core pulling problem because the convex part of the core is placed in the concave part of a product, so that the existing technology is difficult to adopt an efficient and low-cost injection molding mode; in the production of some manufacturers, a 3D printing mode is only adopted, but the mode has lower production efficiency and expensive production material tools.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the above-mentioned technical problem at least, provide a diagonal position mould, realize the production of moulding plastics of high efficiency, lower cost to the tube-shape product of inner wall area concave part.

In order to realize the purpose, the utility model discloses a technical scheme be:

an oblique position die is suitable for an injection molding machine and comprises an upper die and a lower die, wherein the lower die is suitable for being connected with the injection molding machine, a cavity is arranged at the upper end of the lower die, the upper die comprises a first base plate, a core cylinder, a push-pull rod and a telescopic block, the core cylinder is inserted into the first base plate, part of the core cylinder extends out of the first base plate in a downward protruding mode, a first sliding groove is formed in the inner wall of the core cylinder, a through hole is formed in the peripheral wall of the core cylinder, the telescopic block is suitable for sliding along the first sliding groove to stretch out and draw back in the through hole, a first oblique shifting rod suitable for penetrating the telescopic block is arranged at the lower end of the push-pull rod, the upper end of the push-pull rod is suitable for being connected with the injection molding machine, the first base plate is suitable for being driven by a die opening and closing power piece of the injection molding machine to lift, the protruding portion of the core cylinder enters and exits the cavity, and the telescopic block completes the stretching action.

Compared with the prior art, the beneficial effect of this application includes: aiming at a cylindrical plastic product with a concave part on the inner wall, the telescopic block can extend out of the core barrel to form the concave part on the inner wall of the product, and the telescopic block can be hidden after the injection molding of the product is finished, so that the core barrel is ensured to be pulled away, and the demolding is ensured; the utility model discloses in, to the tube-shape plastic product of inner wall area concave part, solve its injection moulding technology, abandon low efficiency expensive technologies such as 3D prints.

As an improvement of the above technical solution, the core barrel is provided with a cone portion, the cone portion is suitable for being inserted into the first base plate in a centering manner, and the cone portion is further connected with the first base plate through a bolt.

As an improvement of the technical scheme, the core cylinder is formed by splicing a first split part and a second split part, the telescopic block is provided with a sliding block, and the first split part and/or the second split part are/is provided with the first sliding groove.

As an improvement of the technical scheme, the first split part and/or the second split part are/is provided with a notch, and when the first split part and the second split part are assembled, the notch is limited to be the through hole.

As an improvement of the above technical solution, the plurality of telescopic blocks are distributed around the circumference of the axial core of the push-pull rod, and the push-pull rod is correspondingly provided with a plurality of first inclined deflector rods.

As an improvement of the technical scheme, the lower die is provided with an insertion guide rod, the first base plate is connected with a guide sleeve, and the upper end of the insertion guide rod is suitable for moving in the guide sleeve, so that the upper die is directionally lifted.

As an improvement of the above technical solution, the lower mold includes a second substrate, a first sub-module and a second sub-module, the second substrate is provided with a second chute adapted to the first sub-module and the second sub-module to be away from or close to each other, the first sub-module and the second sub-module are adapted to be assembled into the cavity on the second substrate, the first substrate is provided with two second oblique shift levers, the two second oblique shift levers are adapted to penetrate the first sub-module and the second sub-module, respectively, and when the first substrate is lifted, the first sub-module and the second sub-module are away from or close to each other.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic structural view of a desired injection molded product;

FIG. 2 is a cross-sectional view of the product shown in FIG. 1;

FIG. 3 is a top view of the product shown in FIG. 1;

fig. 4 is a schematic view of the mold closing at the diagonal position according to the embodiment of the present invention;

FIG. 5 is a schematic view of the mold in the diagonal position according to the embodiment of the present invention during preliminary mold separation;

FIG. 6 is a schematic structural view of a lower die of the diagonal die shown in FIG. 5;

FIG. 7 is a schematic view of the upper die of the diagonal position die shown in FIG. 5;

FIG. 8 is a schematic diagram of the mold opening and closing power structure of the diagonal mold shown in FIG. 5;

FIG. 9 is a partial schematic view of the upper die shown in FIG. 7;

figure 10 is a schematic view of figure 9 showing the first or second section.

Characteristic mark numbers: the lower die 100, the cavity 110, the second base plate 120, the first sub-die block 130, the second sub-die block 140, and the insert guide rod 150;

the mold comprises an upper mold 200, a first substrate 210, a second inclined deflector rod 211, a core cylinder 220, a first chute 221, a through hole 222, a conical part 223, a push-pull rod 230, a first inclined deflector rod 231, a telescopic block 240, a sliding block 241 and a guide sleeve 250;

the mold opening and closing power member 300.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 10, the present invention provides an oblique-moving mold, which is suitable for an injection molding machine, and includes an upper mold 200 and a lower mold 100, the lower mold 100 is suitable for connecting the injection molding machine, the upper end of the lower mold 100 is provided with a cavity 110, the upper mold 200 includes a first substrate 210, a core cylinder 220, a push-pull rod 230 and a telescopic block 240, the core cylinder 220 is inserted into the first substrate 210 and partially protrudes downward from the first substrate 210, the inner wall of the core cylinder 220 is provided with a first sliding groove 221 and a peripheral wall is provided with a through hole 222, the telescopic block 240 is suitable for sliding along the first sliding groove 221 so as to extend and retract in the through hole 222, the lower end of the push-pull rod 230 is provided with a first oblique-pull rod 231 suitable for penetrating into the telescopic block 240, the upper end is suitable for connecting the injection molding machine, the first substrate 210 is suitable for being driven by an opening and closing mold power part 300 of the injection molding machine to lift, so that the protruding portion of the core cylinder 220 enters and exits the cavity 110, and the telescopic block 240 completes the aforementioned telescopic action.

Referring to fig. 4, when the upper mold 200 and the lower mold 100 are assembled, the retractable block 240 partially protrudes out of the core barrel 220, the first substrate 210, the core barrel 220, the retractable block 240 and the lower mold 100 together define a molding cavity, the molding cavity is cylindrical, and the retractable block 240 is adapted to mold a recess on the inner wall of a product.

It will be appreciated that the upper mold 200 and/or the lower mold 100 are provided with a glue inlet passage adapted to communicate with the molding cavity, the glue inlet passage being adapted to communicate with the glue barrel via the screw extrusion mechanism of the injection molding machine.

The mold opening and closing power member 300 may be simply an air cylinder, a hydraulic cylinder or an electric cylinder, or may be a combination of a motor and a belt/chain/screw nut pair.

Referring to fig. 5, the mold opening and closing power component 300 drives the first substrate 210, the core cylinder 220 and the retractable block 240 to ascend, the push-pull rod 230 remains stationary, i.e., the push-pull rod 230 is downward with respect to the retractable block 240/the core cylinder 220, i.e., the first inclined rod 231 is downward with respect to the retractable block 240/the core cylinder 220, and the retractable block 240 is hidden in the core cylinder 220; in addition, the mold opening and closing power member 300 drives the first substrate 210, the core cylinder 220 and the retractable block 240 to ascend, and the core cylinder 220 is also pulled out of the cavity 110 of the lower mold 100.

For a product having no unevenness on the outer wall, the core barrel 220 is pulled out of the cavity 110 of the lower mold 100, and the product can be discharged from the cavity 110.

Compared with the prior art, the beneficial effect of this application includes: aiming at a cylindrical plastic product with a concave part on the inner wall, the telescopic block 240 can extend out of the core barrel 220 to form the concave part on the inner wall of the product, and the telescopic block 240 can be retracted after the injection molding of the product is finished, so that the core barrel 220 can be pulled out, and the demolding is ensured; the utility model discloses in, to the tube-shape plastic product of inner wall area concave part, solve its injection moulding technology, abandon low efficiency expensive technologies such as 3D prints.

In the actual production process, referring to fig. 2 (a tubular product with hollow lugs), the product to be produced needs to obtain both the concave part on the inner side and the convex part on the outer side; specifically, the concave and convex portions are formed like the circumferential wall of the product is curved. Therefore, the product has a convex portion on the outer side, and the product cannot be drawn out from the cavity 110. On the other hand, even if the outer side of the product has no concave-convex part, in practical use, the product is pulled out from the cavity 110 by adopting a pulling-out mode, and the stress of the product after molding is not fully released, so that the product is likely to deform in the vertical pulling-out process; the tea production efficiency is also affected by standing the product for too long. Referring to fig. 4 and 5, in some embodiments of the present invention, the lower mold 100 includes a second base plate 120, a first sub-module 130 and a second sub-module 140, the second base plate 120 is provided with a second sliding slot suitable for the first sub-module 130 and the second sub-module 140 to be separated or close to each other, the first sub-module 130 and the second sub-module 140 are suitable for assembling the cavity 110 on the second base plate 120, the first base plate 210 is provided with two second oblique shift levers 211, the two second oblique shift levers 211 are respectively suitable for penetrating the first sub-module 130 and the second sub-module 140, and when the first base plate 210 is lifted, the first sub-module 130 and the second sub-module 140 are separated or close to each other. The utility model discloses in, no matter whether the product outside needs the shaping convex part, in lower mould 100 is separately, first submodule piece 130 and second submodule piece 140 are kept away from along the second spout is steady mutually to the subsides that two-way steady mode made the product break away from the mould are leaned on, make the product fully release the internal stress, it is also more convenient to take away the product this moment. For products with protrusions to be molded on the outer side, the first sub-module 130 and the second sub-module 140 are separated to expose the products with the protrusions, and the products can be taken out of the mold at this time.

The first substrate 210 and the second tilt lever 211 may be designed separately. The second tilt lever 211 may be screwed to the first substrate 210, and the second tilt lever 211 may have a threaded section and a straight rod section, or may be bolted or otherwise.

Referring to fig. 4 and 5, 7 and 9, in some embodiments of the invention, the core barrel 220 is provided with a taper 223, the taper 223 being adapted to centrally insert the first base plate 210, the taper 223 also bolting the first base plate 210. The utility model discloses in, core section of thick bamboo 220 assembles to first base plate 210 comparatively accurately on, and the internal perisporium and the periphery wall of the shaping product have higher concentricity.

In some embodiments of the present invention, the core cylinder 220 is formed by assembling a first split portion and a second split portion, the telescopic block 240 is provided with a slider 241, and the first split portion and/or the second split portion is provided with a first sliding groove 221. Referring to fig. 7, the telescopic block 240 may be provided with sliding blocks 241 at both front and rear sides, and the first and second split portions may be provided with first sliding grooves 221. The utility model discloses in, core section of thick bamboo 220 is formed by first subdivision subtotal second subdivision spelling, and after core section of thick bamboo 220 was opened, the dismouting of push-and-pull rod 230 and flexible piece 240 was comparatively convenient.

Referring to fig. 10, in some embodiments of the invention, the first and/or second cut portions are provided with a gap, which when assembled together defines the through hole 222.

Referring to fig. 1 to 7, 9 and 10, in some embodiments of the present invention, the plurality of telescopic blocks 240 are distributed around the circumference of the axial core of the push-pull rod 230, and the push-pull rod 230 is correspondingly provided with a plurality of first oblique shift rods 231.

Referring to fig. 4 and 5, in some embodiments of the present invention, the lower mold 100 is provided with an insertion guide rod 150, the first base plate 210 is connected with a guide sleeve 250, and an upper end of the insertion guide rod 150 is adapted to move in the guide sleeve 250, so that the upper mold 200 is lifted and lowered directionally.

The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.

Claims

1. An inclined position die suitable for an injection molding machine, comprising:

the lower die (100) is suitable for being connected with the injection molding machine, and a cavity (110) is formed in the upper end of the lower die (100);

the upper die (200) comprises a first substrate (210), a core barrel (220), a push-pull rod (230) and a telescopic block (240), wherein the core barrel (220) is inserted into the first substrate (210) and partially protrudes out of the first substrate (210) downwards, a first sliding groove (221) is formed in the inner wall of the core barrel (220), a through hole (222) is formed in the peripheral wall of the core barrel, the telescopic block (240) is suitable for sliding along the first sliding groove (221) to stretch in and out of the through hole (222), a first inclined shifting rod (231) suitable for penetrating into the telescopic block (240) is arranged at the lower end of the push-pull rod (230), the upper end of the push-pull rod is suitable for being connected with the injection molding machine, the first substrate (210) is suitable for being driven to lift by an opening and closing die power piece (300) of the injection molding machine, so that the protruding portion of the core barrel (220) enters and exits the cavity (110), and the telescopic block (240) completes the stretching action.

2. The skewed position die of claim 1, wherein said core barrel (220) is provided with a tapered portion (223), said tapered portion (223) adapted to concentrically receive said first base plate (210), said tapered portion (223) further bolting said first base plate (210).

3. The diagonal die according to claim 2, wherein the core barrel (220) is formed by a first split part and a second split part, the telescopic block (240) being provided with a slide (241), the first split part and/or the second split part being provided with the first runner (221).

4. A diagonal die of claim 3, wherein said first and/or second split portions are provided with notches, said notches defining said through bore (222) when said first and second split portions are assembled.

5. The diagonal die according to any one of claims 1 to 4, wherein the plurality of telescopic blocks (240) are distributed around the circumference of the axial core of the push-pull rod (230), and the push-pull rod (230) is correspondingly provided with a plurality of first diagonal rods (231).

6. The diagonal die according to any one of claims 1 to 4, wherein the lower die (100) is provided with an insertion guide rod (150), a guide sleeve (250) is connected to the first base plate (210), and the upper end of the insertion guide rod (150) is suitable for moving in the guide sleeve (250) to enable the upper die (200) to be lifted directionally.

7. The diagonal die according to claim 6, wherein the lower die (100) comprises a second base plate (120), a first sub-module (130) and a second sub-module (140), the second base plate (120) is provided with a second sliding groove suitable for the first sub-module (130) and the second sub-module (140) to move away from or close to each other, the first sub-module (130) and the second sub-module (140) are suitable for assembling the cavity (110) on the second base plate (120), the first base plate (210) is provided with two second diagonal rods (211), the two second diagonal rods (211) are respectively suitable for penetrating the first sub-module (130) and the second sub-module (140), and when the first base plate (210) is lifted, the first sub-module (130) and the second sub-module (140) move away from or close to each other.