Mould opening manipulator for injection molding of plastic bracket

By designing a mold-opening robot for plastic bracket injection molding, and utilizing the combination of a robotic arm and a mold-opening mechanism, the problems of high difficulty and low efficiency in traditional injection mold opening are solved, and convenient and efficient mold opening is achieved.

CN223821046UActive Publication Date: 2026-01-23FOSHAN JINGRONGHUANG PLASTIC PROD CO LTD
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Patent Information

Application Number
CN202423281942.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-01-23
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

Traditional injection molds are difficult and inefficient to open due to the negative pressure in the mold cavity before the mold is opened.

Method used

A mold-opening robot for injection molding of plastic brackets was designed, including a robotic arm and a mold-opening mechanism. The robot utilizes components such as cylinders and fixing rods to achieve convenient mold opening.

Benefits of technology

It improves the efficiency and stability of injection mold opening, simplifies the mold opening process, and reduces the difficulty of operation.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223821046U_ABST
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Abstract

According to the mold opening mechanical arm for injection molding of the plastic support, in the working process, the robot arm drives the mold opening mechanism to a mold to be subjected to mold opening. The first driving air cylinder drives the first fixing rod to be inserted into a lower fixing hole formed in the lower mold through the first driving plate. The second driving air cylinder drives the second fixing rod to be inserted into an upper fixing hole formed in the upper mold through the second driving plate. The pulling air cylinder drives the two limiting units through the pulling plate to drive the upper mold to move away from the lower mold, and meanwhile the pushing air cylinder drives the pulling plate through the pushing plate to drive the two limiting units to drive the upper mold to move away from the lower mold. And thus, the mold opening operation is completed. In the process, the sliding block is inserted into the sliding groove and is in sliding connection with the bearing plate, so that the moving track of the bearing plate is limited, and the working stability of the mold opening mechanism is improved. The mold opening manipulator for injection molding of the plastic bracket can conveniently open an injection mold, and is simple, convenient and high in efficiency.
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Description

Technical Field

[0001] This utility model relates to the field of mold opening equipment, and in particular to a mold opening robot for injection molding of plastic brackets. Background Technology

[0002] Injection molding is a method of industrial product manufacturing. Products are typically produced using rubber injection molding and plastic injection molding. Injection molding can also be divided into injection molding compression molding and die casting. Plastic injection molding is a method of producing plastic products by injecting molten plastic into a mold under pressure, which then cools and solidifies to obtain various desired plastic parts. There are specialized machines used for injection molding, such as injection molding machines. The most commonly used plastics are polyethylene, polypropylene, ABS, PA, and polystyrene. The injection mold is the core equipment required for injection molding. Liquid plastic raw materials are injected into the mold cavity, and after cooling and solidification, the mold is opened to remove the cooled and solidified product.

[0003] However, in traditional injection molds, for example, the technical solution disclosed in the patent application number CN202011195430.5, entitled "Injection Mold", is difficult and inefficient to open before the injection mold is opened due to the negative pressure in the mold cavity. Utility Model Content

[0004] Therefore, it is necessary to provide a mold opening robot for plastic bracket injection molding to address the technical problems of high difficulty and low efficiency in opening traditional injection molds due to negative pressure in the mold cavity before mold opening.

[0005] A mold-opening robot for injection molding of plastic brackets, the mold-opening robot for injection molding of plastic brackets includes: a robotic arm and a mold-opening mechanism;

[0006] The mold opening mechanism includes a U-shaped support plate, two fixing components, and an opening component; the drive end of the robot arm is connected to the outer wall of the sealed end of the U-shaped support plate; the two fixing components are symmetrically arranged on the inner walls of the open end of the U-shaped support plate; the opening component is disposed inside the U-shaped support plate;

[0007] The fixing assembly includes a first driving cylinder, a first driving plate, a first fixing rod, and a first U-shaped connecting plate; the first driving cylinder is connected to the inner wall of one side of the U-shaped support plate, and the first driving cylinder is driven to connect to the first fixing rod through the first driving plate; the open end of the first U-shaped connecting plate is connected to the inner wall of one side of the U-shaped support plate; the sealing end of the first U-shaped connecting plate has a first sliding hole, the first fixing rod is adapted to the first sliding hole, and the first fixing rod is inserted into the first sliding hole and slidably connected to the first U-shaped connecting plate;

[0008] The opening assembly includes a pull cylinder, a pull plate, two drive units, and two limiting units; the pull cylinder is connected to the inner wall of the sealing end of the U-shaped support plate; the pull cylinder is driven by the pull plate; the two drive units are symmetrically arranged on the two inner walls of the U-shaped support plate; each drive unit includes a support block, a push cylinder, and a push plate; the push cylinder is connected to one side of the inner wall of the U-shaped support plate through the support block, the push cylinder is driven by the push plate, and the push plate is connected to the side of the pull plate opposite to the pull cylinder;

[0009] Two limiting units are symmetrically arranged on both sides of the push plate; each limiting unit includes a receiving plate, a second driving cylinder, a second driving plate, a second fixing rod, and a second U-shaped connecting plate; the receiving plate is perpendicularly connected to the side of the pulling plate facing away from the pulling cylinder; the second driving cylinder is connected to the receiving plate, and the second driving cylinder is driven by the second fixed rod through the second driving plate; the open end of the second U-shaped connecting plate is connected to the receiving plate; the sealing end of the second U-shaped connecting plate is provided with a second sliding hole, the second fixing rod is adapted to the second sliding hole, the second fixing rod is inserted into the second sliding hole and slidably connected to the second U-shaped connecting plate.

[0010] In one embodiment, a sliding block is provided at one end of the bearing block, and a sliding groove is provided on the side of the receiving plate facing away from the second driving cylinder. The sliding block is adapted to the sliding groove, and the sliding block is inserted into the sliding groove and slidably connected to the receiving plate.

[0011] In one embodiment, the sliding block and the bearing block are integrally formed.

[0012] In one embodiment, the sliding block has a cuboid structure.

[0013] In one embodiment, the support block is a cuboid structure.

[0014] In one embodiment, the pull plate is a rectangular plate structure.

[0015] In one embodiment, the receiving plate is a rectangular plate structure.

[0016] In one embodiment, the first drive board is a rectangular plate structure.

[0017] In one embodiment, the second drive board is a rectangular plate structure.

[0018] In one embodiment, the push plate is a rectangular plate structure.

[0019] During operation, the aforementioned manipulator for injection molding of plastic brackets drives the mold opening mechanism onto the mold to be opened. A first drive cylinder, via a first drive plate, drives a first fixed rod to insert into a lower fixed hole in the lower mold. A second drive cylinder, via a second drive plate, drives a second fixed rod to insert into an upper fixed hole in the upper mold. A pulling cylinder, via a pulling plate, drives two limiting units to move the upper mold away from the lower mold. Simultaneously, a pushing cylinder, via a pushing plate, drives the pulling plate to move the two limiting units away from the lower mold, thus completing the mold opening operation. During this process, a sliding block is inserted into a sliding groove and slidably connected to a receiving plate, thereby limiting the running trajectory of the receiving plate and increasing the working stability of the mold opening mechanism. The aforementioned manipulator for injection molding of plastic brackets facilitates the opening of injection molds, offering simplicity, convenience, and high efficiency. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the mold-opening robot for injection molding of a plastic bracket in one embodiment;

[0021] Figure 2 This is a schematic diagram of the mold opening mechanism in one embodiment;

[0022] Figure 3 This is a partially enlarged schematic diagram of the mold opening mechanism in one embodiment. Detailed Implementation

[0023] To make the above-mentioned objects, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below. In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0025] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0027] It should be noted that when an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only possible implementation.

[0028] Please refer to the following: Figures 1 to 3 This utility model provides a mold-opening robot 10 for injection molding of plastic brackets. The mold-opening robot 10 for injection molding of plastic brackets includes a robot arm 100 and a mold-opening mechanism 200.

[0029] The mold opening mechanism 200 includes a U-shaped support plate 210, two fixing components 220, and an opening component 230. The drive end of the robot arm 100 is connected to the outer wall of the sealed end of the U-shaped support plate 210. The two fixing components 220 are symmetrically arranged on the inner walls of the open ends of the U-shaped support plate 210. The opening component 230 is disposed inside the U-shaped support plate 210.

[0030] The fixing assembly 220 includes a first driving cylinder 221, a first driving plate 222, a first fixing rod 223, and a first U-shaped connecting plate 224. The first driving cylinder 221 is connected to the inner wall of one side of the U-shaped support plate 210, and the first driving cylinder 221 is drivenly connected to the first fixing rod 223 through the first driving plate 222. In this embodiment, the first driving plate 222 is a rectangular plate structure. The open end of the first U-shaped connecting plate 224 is connected to the inner wall of one side of the U-shaped support plate 210. The sealing end of the first U-shaped connecting plate 224 has a first sliding hole 201, and the first fixing rod 223 is adapted to the first sliding hole 201, and the first fixing rod 223 is inserted into the first sliding hole 201 and slidably connected to the first U-shaped connecting plate 224.

[0031] The opening assembly 230 includes a pull cylinder 231, a pull plate 232, two drive units 233, and two limiting units 234. The pull cylinder 231 is connected to the inner wall of the sealed end of the U-shaped support plate 210. The pull cylinder 231 is driven to the pull plate 232. In this embodiment, the pull plate 232 is a rectangular plate structure. The two drive units 233 are symmetrically arranged on the two inner walls of the U-shaped support plate 210. The drive unit 233 includes a support block 234, a push cylinder 235, and a push plate 236. The push cylinder 235 is connected to one inner wall of the U-shaped support plate 210 through the support block 234. The push cylinder 235 is driven to the push plate 236, and the push plate 236 is connected to the side of the pull plate 232 facing away from the pull cylinder 231. In this embodiment, the push plate 236 is a rectangular plate structure.

[0032] Two limiting units 234 are symmetrically arranged on both sides of the push plate 236. Each limiting unit 234 includes a receiving plate 241, a second drive cylinder 242, a second drive plate 243, a second fixing rod 244, and a second U-shaped connecting plate 245. The receiving plate 241 is perpendicularly connected to the side of the pull plate 232 facing away from the pull cylinder 231. In this embodiment, the receiving plate 241 is a rectangular plate structure. The second drive cylinder 242 is connected to the receiving plate 241, and the second drive cylinder 242 is drivenly connected to the second fixing rod 244 through the second drive plate 243. In this embodiment, the second drive plate 243 is a rectangular plate structure. The open end of the second U-shaped connecting plate 245 is connected to the receiving plate 241. The sealing end of the second U-shaped connecting plate 245 is provided with a second sliding hole 202. The second fixing rod 244 is adapted to the second sliding hole 202. The second fixing rod 244 is inserted into the second sliding hole 202 and is slidably connected to the second U-shaped connecting plate 245.

[0033] To increase the operational stability of the mold opening mechanism 200, in one embodiment, a sliding block 237 is provided at one end of the support block 234. In this embodiment, the sliding block 237 and the support block 234 are integrally formed. The sliding block 237 has a cuboid structure. The support block 234 has a cuboid structure. A sliding groove 203 is provided on the side of the receiving plate 241 facing away from the second drive cylinder 242. The sliding block 237 is adapted to the sliding groove 203, and is inserted into the sliding groove 203 and slidably connected to the receiving plate 241. The sliding block 237, inserted into the sliding groove 203 and slidably connected to the receiving plate 241, limits the running trajectory of the receiving plate 241 and increases the operational stability of the mold opening mechanism 200.

[0034] During operation, the aforementioned plastic bracket injection molding manipulator 10 drives the mold opening mechanism 200 onto the mold to be opened. The first drive cylinder 221 drives the first fixing rod 223 to insert into the lower fixing hole on the lower mold via the first drive plate 222. The second drive cylinder 242 drives the second fixing rod 244 to insert into the upper fixing hole on the upper mold via the second drive plate 243. The pulling cylinder 231 drives the two limiting units 234 via the pulling plate 232 to move the upper mold away from the lower mold. Simultaneously, the pushing cylinder 235 drives the pulling plate 232 via the pushing plate 236 to move the two limiting units 234 away from the lower mold. This completes the mold opening operation. During this process, the sliding block 237 is inserted into the sliding groove 203 and slidably connected to the receiving plate 241, thereby limiting the running trajectory of the receiving plate 241 and increasing the working stability of the mold opening mechanism 200. The aforementioned plastic bracket injection molding manipulator 10 can easily open the injection mold, which is simple, convenient, and efficient.

[0035] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0036] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A mold-opening robot for injection molding of plastic brackets, characterized in that, include: Robotic arm and mold opening mechanism; The mold opening mechanism includes a U-shaped support plate, two fixing components, and an opening component; the drive end of the robot arm is connected to the outer wall of the sealed end of the U-shaped support plate; the two fixing components are symmetrically arranged on the inner walls of the open end of the U-shaped support plate; the opening component is disposed inside the U-shaped support plate; The fixing assembly includes a first driving cylinder, a first driving plate, a first fixing rod, and a first U-shaped connecting plate; the first driving cylinder is connected to the inner wall of one side of the U-shaped support plate, and the first driving cylinder is driven to connect to the first fixing rod through the first driving plate; the open end of the first U-shaped connecting plate is connected to the inner wall of one side of the U-shaped support plate; the sealing end of the first U-shaped connecting plate has a first sliding hole, the first fixing rod is adapted to the first sliding hole, and the first fixing rod is inserted into the first sliding hole and slidably connected to the first U-shaped connecting plate; The opening assembly includes a pull cylinder, a pull plate, two drive units, and two limiting units; the pull cylinder is connected to the inner wall of the sealing end of the U-shaped support plate; the pull cylinder is driven by the pull plate; the two drive units are symmetrically arranged on the two inner walls of the U-shaped support plate; each drive unit includes a support block, a push cylinder, and a push plate; the push cylinder is connected to one side of the inner wall of the U-shaped support plate through the support block, the push cylinder is driven by the push plate, and the push plate is connected to the side of the pull plate opposite to the pull cylinder; Two limiting units are symmetrically arranged on both sides of the push plate; each limiting unit includes a receiving plate, a second driving cylinder, a second driving plate, a second fixing rod, and a second U-shaped connecting plate; the receiving plate is perpendicularly connected to the side of the pulling plate facing away from the pulling cylinder; the second driving cylinder is connected to the receiving plate, and the second driving cylinder is driven by the second fixed rod through the second driving plate; the open end of the second U-shaped connecting plate is connected to the receiving plate; the sealing end of the second U-shaped connecting plate is provided with a second sliding hole, the second fixing rod is adapted to the second sliding hole, the second fixing rod is inserted into the second sliding hole and slidably connected to the second U-shaped connecting plate.

2. The mold-opening robot for injection molding of plastic brackets according to claim 1, characterized in that, A sliding block is provided at one end of the bearing block, and a sliding groove is provided on the side of the receiving plate facing away from the second driving cylinder. The sliding block is adapted to the sliding groove, and the sliding block is inserted into the sliding groove and slidably connected to the receiving plate.

3. The mold-opening robot for injection molding of plastic brackets according to claim 2, characterized in that, The sliding block and the bearing block are integrally formed.

4. The mold-opening robot for injection molding of plastic brackets according to claim 2, characterized in that, The sliding block has a cuboid structure.

5. The mold-opening robot for injection molding of plastic brackets according to claim 1, characterized in that, The support block has a cuboid structure.

6. The mold-opening robot for injection molding of plastic brackets according to claim 1, characterized in that, The pull plate is a rectangular plate structure.

7. The mold-opening robot for injection molding of plastic brackets according to claim 1, characterized in that, The receiving plate is a rectangular plate structure.

8. The mold-opening robot for injection molding of plastic brackets according to claim 1, characterized in that, The first drive board is a rectangular plate structure.

9. The mold-opening robot for injection molding of plastic brackets according to claim 1, characterized in that, The second drive board is a rectangular plate structure.

10. The mold-opening robot for injection molding of plastic brackets according to claim 1, characterized in that, The push plate is a rectangular plate structure.

Citation Information

Patent Citations

  • Injection mold

    CN114434748B