Plastic basket injection mold

By designing automated injection molds and utilizing cylinder-driven side module separation and motor-driven lifting components, the problem of deformation during the demolding process of plastic baskets was solved, achieving an efficient and non-destructive demolding process and improving product quality.

CN224044462UActive Publication Date: 2026-03-27NINGBO YONGXU PLASTIC PROD CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

In the demolding process of existing plastic basket injection molds, manual operation can easily cause deformation of the hollow parts, affecting product quality.

Method used

An injection mold comprising a template, a punch, a die assembly, an ejector assembly, and a drive assembly was designed. The side module is separated by a cylinder drive, and combined with a motor-driven lifting assembly and ejector assembly, automated demolding is achieved, avoiding pulling and deformation.

Benefits of technology

It enables automated demolding of plastic baskets, improves product quality, reduces the risk of deformation, and enhances the practicality of the mold.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of injection molds, and discloses a plastic basket injection mold which comprises a first mold plate and a second mold plate, a male mold is installed at the bottom end of the first mold plate, a female mold assembly used for being matched with the male mold for use is installed at the top end of the second mold plate, and an ejection assembly used for demolding is arranged on the lower side of the female mold assembly. A lifting assembly used for driving the ejection assembly to move longitudinally is arranged at the bottom end of the ejection assembly, and a driving assembly used for driving the lifting assembly is arranged at the bottom end of the lifting assembly. The periphery of the plastic basket can be demolded more conveniently, and then the formed plastic basket left at the top end of the base can be jacked up and demolded more conveniently through cooperation of the driving assembly, the lifting assembly and the ejection assembly.
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Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, specifically, relate to a kind of plastic basket injection mold. BACKGROUND

[0002] Plastic basket as a kind of common household and industrial goods, with its light, durable, easy cleaning and so on With characteristics, and most of the production of plastic basket is using injection molding, then need to use injection mold, injection mold is the key tool for producing plastic products in plastic industry, by injection molding technology melt plastics is injected into mold cavity, cooling obtains specific shape and size product.

[0003] And now most of the plastic basket also has hollow shape, more portable, and better breathability, the mold of this plastic basket usually has protruding shaping block, so due to the limitation of mold structure, more careful when demolding is needed, to avoid damage hollow structure, but now usually still through manual stripping demolding, to cause plastic basket hollow part and mold to be pulled, deformation, cause product unqualified, greatly reduce the practicability of the device, for this, we provide a kind of plastic basket injection mold to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of plastic basket injection mold, solve the problem of artificial manual demolding of the plastic basket formed by hollowing, which is prone to deformation of the plastic basket due to pulling.

[0005] The utility model provides the following technical scheme: a kind of plastic basket injection mold, including template one and template two, the bottom of template one is installed with convex mold, the top of template two is installed with concave mold assembly for cooperating with convex mold, the downside of concave mold assembly is provided with the ejection assembly for demolding, the bottom of ejection assembly is provided with driving ejection assembly vertical movement lifting assembly, the bottom of lifting assembly is provided with driving assembly for driving lifting assembly.

[0006] As preferred of the above technical scheme, the concave mold assembly includes base, several groups of side module and several groups of support seat, the base is fixedly installed at the top of template two, several groups of side module are all arranged on the upside of base four around, several groups of side module and base can be spliced together, several groups of support seat are all installed at the top of template two, the top of each group of support seat is installed with air cylinder, the output end of each group of air cylinder is connected with the outer wall of a group of side module.

[0007] Through the technical scheme, several groups of side modules can be separated, and the four side edge protruding shaping blocks are demolded, so that the four sides of the plastic basket can be demolded first.

[0008] As a preferred technical scheme, sealing pads are installed at the joint between the several groups of side modules and the base.

[0009] Through the technical scheme, when the several groups of side modules and the base are spliced, the sealing performance is better, and liquid is not easy to leak.

[0010] As a preferred technical scheme, the top end of the second mold plate is provided with a movable groove one, the driving assembly includes a motor, a bidirectional screw rod and a limiting rod, the motor is installed in the second mold plate through an installation groove and is located on the side close to the movable groove one, the bidirectional screw rod is rotatably installed in the movable groove one, the output end of the motor is connected with one end of the bidirectional screw rod, and the lifting assembly is arranged on the upper side of the movable groove one.

[0011] Through the technical scheme, the bidirectional screw rod can be driven to rotate by starting the motor, which is more convenient.

[0012] As a preferred technical scheme, the lifting assembly includes two groups of movable sleeves and movable grooves two, the lower sides of the two groups of movable sleeves are threadedly sleeved on the surfaces of the two sides of the bidirectional screw rod, each group of movable sleeves slides in the movable groove one, each group of movable sleeves is hingedly connected with a connecting rod at the top end, each group of movable grooves two is arranged at the bottom end of the base, each group of movable grooves two is slidably installed with a movable plate in the interior, the bottom end of each group of movable plates is hingedly connected with the top end of the two groups of connecting rods, and the ejection assembly is arranged at the top end of the movable plate.

[0013] Through the technical scheme, the bidirectional screw rod rotates by screwing, and drives the two groups of movable sleeves to move close to each other in the movable groove one, at this time, the movable sleeves can drive the connecting rods to rotate, the two groups of connecting rods can drive the movable plates to be lifted upward, so that the movable plates slide in the movable grooves two, and then the movable grooves two can drive the ejection assembly to move up and down, which is more convenient.

[0014] As a preferred technical scheme, the limiting rod is fixedly installed in the interior of the movable groove one, and the upper sides of the two groups of movable sleeves are slidably sleeved on the surfaces of the two sides of the limiting rod.

[0015] Through the technical scheme, the movable sleeves also slide along the limiting rod when moving, so that the movable sleeves can be limited, and the movable sleeves can better move horizontally.

[0016] As the preferred technical scheme of the above, the ejection assembly comprises a plurality of slide grooves, each of which is formed in the inner wall top end of the movable groove two, the inner wall upper side of each of the slide grooves is provided with a clamping groove, and each of the slide grooves is slidably installed with a jack, the bottom end of each of the jacks is installed at the top end of the movable plate, the top end of each of the jacks is connected with a top plate, and each of the top plates is inserted into the clamping groove.

[0017] Through the above technical scheme, the movable groove two drives a plurality of jacks to slide in the slide groove, so that the plurality of jacks drive the top plate to move out of the clamping groove, thereby lifting the formed plastic basket, until the plastic basket is separated from the base and the shaping block, so that the demolding of the plastic basket can be completed, which is more convenient and less likely to occur pulling and the like, so that the quality of the finally demolded plastic basket is better and less likely to be deformed.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] The utility model discloses a recessed die assembly is set up, makes with a plurality of side module separation simultaneously, and drives the shaping block of four around side edge to demold, so that the four around demolding of plastic basket can be carried out first, which is more convenient, then through the cooperation of the driving assembly, the lifting assembly and the ejection assembly, the formed plastic basket remaining at the top end of the base can be lifted and demolded, so that the demolding of the plastic basket can be completed, which is more convenient and less likely to occur pulling and the like, so that the quality of the finally demolded plastic basket is better and less likely to be deformed, greatly increasing the practicability of the device. DRAWINGS

[0020] Figure 1 It is a kind of plastic basket injection mould's overall structure schematic diagram;

[0021] Figure 2 It is a kind of plastic basket injection mould's split structure schematic diagram;

[0022] Figure 3 It is a kind of plastic basket injection mould's section structure schematic diagram;

[0023] Figure 4 It is a kind of plastic basket injection mould's section split structure schematic diagram.

[0024] In the drawing: 1, template one;11, male die;2, template two;21, movable groove one;3, recessed die assembly;31, base;32, side module;33, support seat;34, air cylinder;35, sealing gasket;4, driving assembly;41, motor;42, two-way screw;43, limit rod;5, lifting assembly;51, movable sleeve;52, connecting rod;53, movable plate;54, movable groove two;6, ejection assembly;61, jack;62, top plate;63, slide groove;64, clamping groove. DETAILED DESCRIPTION

[0025] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.

[0026] like Figures 1-4 As shown, this utility model provides a technical solution: a plastic basket injection mold, including a template 1 and a template 2. A punch 11 is installed at the bottom of the template 1, and a concave mold assembly 3 for cooperating with the punch 11 is installed at the top of the template 2. The concave mold assembly 3 includes a base 31, several sets of side modules 32, and several sets of support seats 33. The base 31 is fixedly installed at the top of the template 2, and the several sets of side modules 32 are all arranged around the upper side of the base 31. The several sets of side modules 32 and the base 31 can be spliced ​​together, and the several sets of support seats 33 are all installed at the top of the template 2. Each set of support bases 33 is equipped with a cylinder 34 at its top. The output end of each set of cylinders 34 is connected to the outer wall of a set of side modules 32. This structure allows several sets of cylinders 34 to be activated, which drives several sets of side modules 32 to slowly move away from the base 31. This separates several sets of side modules 32 and simultaneously demolds the protruding shaping blocks on the sides. This makes it easier to demold the plastic basket from the sides first. Sealing gaskets 35 are installed at the joints between several sets of side modules 32 and the base 31, which makes the sealing better when several sets of side modules 32 and the base 31 are spliced, and liquid is less likely to leak.

[0027] It should be noted that the injection port of the mold is located on one side of the top of the base 31, and the injection port passes through the base 31 and the template 2.

[0028] As one implementation method in this embodiment, such as Figure 3 and Figure 4As shown, the lower side of the female die assembly 3 is provided with an ejection assembly 6 for demolding, the bottom end of the ejection assembly 6 is provided with a lifting assembly 5 for driving the longitudinal movement of the ejection assembly 6, the bottom end of the lifting assembly 5 is provided with a driving assembly 4 for driving the lifting assembly 5, the top end of the mold plate two 2 is provided with a movable groove one 21, the driving assembly 4 comprises a motor 41, a bidirectional screw 42 and a limiting rod 43, the motor 41 is installed in the mold plate two 2 through the installation groove and close to one side of the movable groove one 21, the bidirectional screw 42 is rotatably installed in the movable groove one 21, the output end of the motor 41 is connected with one end of the bidirectional screw 42, the lifting assembly 5 is arranged on the upper side of the movable groove one 21, the lifting assembly 5 comprises two groups of movable sleeves 51 and movable grooves two 54, the lower side of the two groups of movable sleeves 51 is threadedly sleeved on the surface of the bidirectional screw 42 on both sides, each group of movable sleeves 51 slides in the movable groove one 21, each group of movable sleeves 51 is hingedly connected with a connecting rod 52 at the top end, each group of movable grooves two 54 is arranged at the bottom end of the base 31, each group of movable grooves two 54 is slidably connected with a movable plate 53, the bottom end of each group of movable plates 53 is hingedly connected with the top end of the two groups of connecting rods 52, the ejection assembly 6 is arranged at the top end of the movable plate 53, which makes the motor 41 drive the bidirectional screw 42 to rotate, and through the threaded rotation, the two groups of movable sleeves 51 are driven to move close to each other in the movable groove one 21, at this time, the movable sleeve 51 can drive the connecting rod 52 to rotate, the two groups of connecting rods 52 can drive the movable plate 53 to be lifted upward, so that the movable plate 53 slides in the movable groove two 54, then the movable groove two 54 can drive the ejection assembly 6 to move up and down, which is more convenient, the limiting rod 43 is fixedly installed in the movable groove one 21, the upper side of the two groups of movable sleeves 51 is slidably sleeved on the surface of the limiting rod 43 on both sides, so that the movable sleeve 51 also slides along the limiting rod 43 when moving, which can limit the movable sleeve 51 and make the movable sleeve 51 move transversely better.

[0029] As an embodiment in the present embodiment, as Figure 3 and Figure 4As shown, the ejection assembly 6 comprises several groups of sliding grooves 63, each group of sliding grooves 63 is opened at the top end of the inner wall of the movable groove two 54, and the inner wall of each group of sliding grooves 63 is provided with a clamping groove 64, and each group of sliding grooves 63 is slidably installed with a top rod 61, the bottom end of each group of top rods 61 is installed at the top end of the movable plate 53, and each group of top rods 61 is connected with a top plate 62, so that the contact area with the formed plastic basket can be increased, so that the stress is more uniform, the ejection demolding effect is better, and each group of top plates 62 is inserted in the clamping groove 64. The structure makes the movable groove two 54 drive several groups of top rods 61 to slide in the sliding groove 63, so that several groups of top rods 61 drive the top plate 62 to move out of the clamping groove 64, thereby lifting the formed plastic basket, until the plastic basket is separated from the base 31 and the shaping block, so that the demolding of the plastic basket can be completed, which is more convenient, and the pulling and other situations are not easy to occur, so that the quality of the plastic basket demolded at last is better, and deformation is not easy to occur, thereby greatly increasing the practicability of the device.

[0030] It should be noted that the gap between the top rod 61 and the top plate 62 and the inner wall of the sliding groove 63 and the clamping groove 64 is small, which needs to be strictly controlled during design and production to ensure the balance of mold function and product quality.

[0031] Working principle: in use, only need to start several groups of air cylinders 34 to push several groups of side mold blocks 32 to move to the base 31, until the several groups of side mold blocks 32 and the base 31 are spliced, at this time, the male mold 11 and the spliced female mold assembly 3 can be combined, then the injection molding can be carried out through the injection port into the female mold assembly 3, after injection molding, wait for cooling and forming;

[0032] When demolding, the male mold 11 can be separated from the female mold assembly 3, and then several groups of air cylinders 34 can drive several groups of side mold blocks 32 to slowly move away from the base 31, so that several groups of side mold blocks 32 can be separated, and the shaping block protruding around the side edge can be demolded, so that the plastic basket around can be demolded first, and finally the motor 41 drives the bidirectional screw 42 to rotate, through the thread rotation, drives two groups of movable sleeves 51 to move close to each other in the movable groove one 21, at the same time, the movable sleeve 51 also slides along the limiting rod 43, so that the movable sleeve 51 can be limited, and the movable sleeve 51 can better move horizontally, at this time, the movable sleeve 51 can drive the connecting rod 52 to rotate, two groups of connecting rods 52 can drive the movable plate 53 to be lifted upwards, so that the movable plate 53 slides in the movable groove two 54, then the movable groove two 54 can drive several groups of top rods 61 to slide in the sliding groove 63, so that several groups of top rods 61 drive the top plate 62 to move out of the clamping groove 64, thereby lifting the formed plastic basket, until the plastic basket is separated from the base 31 and the shaping block, so that the demolding of the plastic basket can be completed, which is more convenient, and the pulling and other situations are not easy to occur, so that the quality of the plastic basket demolded at last is better, and deformation is not easy to occur, thereby greatly increasing the practicability of the device.

[0033] The above examples are only used to illustrate the technical solutions of the present application, and are not limiting.

Claims

1. A plastic basket injection mold comprising a mold plate one (1) and a mold plate two (2), characterized in that: The bottom end of the template one (1) is provided with a convex mold (11), the top end of the template two (2) is provided with a concave mold assembly (3) used in cooperation with the convex mold (11), the lower side of the concave mold assembly (3) is provided with an ejection assembly (6) used for demolding, the bottom end of the ejection assembly (6) is provided with a lifting assembly (5) used for driving the ejection assembly (6) to move longitudinally, and the bottom end of the lifting assembly (5) is provided with a driving assembly (4) used for driving the lifting assembly (5).

2. A plastic basket injection mold according to claim 1, characterized in that: The concave mold assembly (3) comprises a base (31), a plurality of groups of side modules (32) and a plurality of groups of support bases (33), the base (31) is fixedly installed at the top end of the template two (2), the plurality of groups of side modules (32) are arranged on the upper side of the base (31) in the periphery, the plurality of groups of side modules (32) and the base (31) can be spliced together, and the plurality of groups of support bases (33) are installed at the top end of the template two (2), and the top end of each group of support bases (33) is provided with a pneumatic cylinder (34), and the output end of each group of pneumatic cylinders (34) is connected with the outer wall of a group of side modules (32).

3. A plastic basket injection mold according to claim 2, wherein: Sealing pads (35) are arranged at the abutting positions between the plurality of groups of side modules (32) and the base (31).

4. A plastic basket injection mold according to claim 1, characterized in that: The top end of the template two (2) is provided with a movable groove one (21), the driving assembly (4) comprises a motor (41), a bidirectional screw rod (42) and a limiting rod (43), the motor (41) is installed in the template two (2) through an installation groove and is arranged on one side close to the movable groove one (21), the bidirectional screw rod (42) is rotatably installed in the movable groove one (21), the output end of the motor (41) is connected with one end of the bidirectional screw rod (42), and the lifting assembly (5) is arranged on the upper side of the movable groove one (21).

5. A plastic basket injection mold according to claim 4, wherein: The lifting assembly (5) comprises two groups of movable sleeves (51) and movable grooves two (54), the lower sides of the two groups of movable sleeves (51) are threadedly sleeved on the surfaces of the two sides of the bidirectional screw rod (42), each group of movable sleeves (51) slides in the movable groove one (21), each group of movable sleeves (51) is hingedly connected with a connecting rod (52) at the top end, each group of movable grooves two (54) is arranged at the bottom end of the base (31), each group of movable grooves two (54) is slidably connected with a movable plate (53) in the interior, the bottom end of each group of movable plates (53) is hingedly connected with the top end of the two groups of connecting rods (52), and the ejection assembly (6) is arranged at the top end of the movable plate (53).

6. A plastic basket injection mold according to claim 5, characterized in that: The limiting rod (43) is fixedly installed in the movable groove one (21), and the upper sides of the two groups of movable sleeves (51) are slidably sleeved on the surfaces of the two sides of the limiting rod (43).

7. A plastic basket injection mold according to claim 5, wherein: The ejection assembly (6) comprises a plurality of groups of sliding grooves (63), the inner wall top end of each group of sliding grooves (63) is provided with a clamping groove (64), the inner wall upper side of each group of sliding grooves (63) is provided with a clamping groove (64), the inner side of each group of sliding grooves (63) is slidably provided with a jacking rod (61), the bottom end of each group of jacking rods (61) is installed at the top end of the movable plate (53), the top end of each group of jacking rods (61) is connected with a top plate (62), and each group of top plates (62) is inserted into the clamping groove (64).

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