Automatic demolding and material receiving device for multi-station injection mold

By designing an automated multi-station injection mold material receiving device and using an electric motor to drive the gear system to achieve automated material receiving of injection molded parts, the problem of low efficiency of manual material receiving is solved and production efficiency and safety are improved.

CN120756034APending Publication Date: 2025-10-10BINSHILI PRECISE MOLD & PLASTICS TECH (SHANGHAI) CO LTD
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Patent Information

Application Number
CN202511144852.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-15
Publication Date
2025-10-10

AI Technical Summary

Technical Problem

The post-demolding material connection process of multi-station injection molds relies on manual operation, resulting in low production efficiency, poor accuracy and consistency, high labor intensity, and safety hazards.

Method used

An automatic demoulding and material collection device for multi-station injection molds is designed. The motor drives the rotating gear system to rotate the collection box to realize the automatic material collection of injection molded parts. Through the engagement of gears and the rotation of the rotating seat, the injection molded parts fall directly into the corresponding collection box, avoiding manual intervention.

Benefits of technology

It realizes the continuous material connection of multi-station injection molds, improves production efficiency, reduces the labor intensity of workers, ensures the accuracy and consistency of material connection, and reduces safety hazards.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses an automatic demolding and receiving device for a multi-station injection mold, and relates to the technical field of plastic processing. An automatic demolding and material receiving device for a multi-station injection mold comprises a mounting support, a movable mold and a mounting plate, the mounting support is provided with a material receiving device, the material receiving device comprises a rotating seat, a motor, a first rotating gear, a second rotating gear and four collecting boxes, and the second rotating gear is rotationally connected in a groove formed in the lower end of the mounting support; a motor in the material receiving device drives a first rotating gear to rotate, a second rotating gear and a rotating base are driven to rotate through tooth meshing, a target collecting box moves to the position below a demolding position, injection molding parts directly fall into the corresponding collecting boxes after being demolded, and therefore the four collecting boxes can be sequentially switched to the demolding position through rotation of the rotating base; continuous material receiving of the multi-station injection mold is achieved, manual material receiving is avoided, the production efficiency of equipment is effectively improved, and meanwhile the workload of workers is reduced.
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Description

Technical Field

[0001] The invention relates to the technical field of plastic processing, in particular to an automatic demoulding and material receiving device for a multi-station injection mold. Background Art

[0002] As an important method for manufacturing plastic products, injection molding is widely used in many fields due to its advantages such as fast production speed, high efficiency, automated operation, and the ability to produce products with complex shapes. Multi-station injection molds can further improve production efficiency because they can perform multiple injection molding operations simultaneously, making them a key equipment in modern injection molding production.

[0003] In the production process of multi-station injection molds, the material splicing link after demolding is crucial. Many production scenarios still rely on manual splicing. The manual operation speed is difficult to match the rapid demolding rhythm of multi-station molds, which can easily lead to low production efficiency. In addition, the accuracy and consistency of manual splicing are poor, and materials often fall into inaccurate positions and are missed, affecting product quality and production stability. At the same time, manual splicing is labor-intensive, workers are prone to fatigue, and may also cause safety accidents, thereby reducing the practicality and production efficiency of the equipment. Summary of the Invention

[0004] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art, and to provide an automatic demolding and material receiving device for a multi-station injection mold, which can solve the problem that the production scene still relies on manual receiving, and the manual operation speed is difficult to match the fast demolding rhythm of the multi-station mold, which can easily lead to low production efficiency, and the accuracy and consistency of manual receiving are poor, and materials often fall into inaccurate positions and are missed, affecting product quality and production stability. At the same time, manual receiving is labor-intensive, workers are prone to fatigue, and may also cause safety accidents, thereby reducing the practicality and production efficiency of the equipment.

[0005] To achieve the above object, the present invention provides the following technical solution: an automatic demoulding and material receiving device for a multi-station injection mold, comprising a mounting bracket, a movable mold and a mounting plate, wherein the mounting bracket is provided with a material receiving device; The material receiving device includes a rotating base, a motor, a first rotating gear, a second rotating gear and four collection boxes. The second rotating gear is rotatably connected to the inner groove of the lower end of the mounting bracket. The rotating base is fixedly connected to the upper end of the second rotating gear. The motor is installed in the inner groove of the lower end of the mounting bracket. Among them, the first rotating gear is fixedly connected to the output end of the motor, eight T-block grooves are opened on the upper surface of the rotating seat, two T-blocks are fixedly connected to the lower surfaces of the four collection boxes, and the upper surfaces of the protrusions on the four collection boxes are fixedly connected with the first fixing bolts.

[0006] Preferably, the mounting bracket is in an "L" shape, with eight T-blocks in a group of two, and eight T-block slots in a group of two. The outer walls of the four groups of T-blocks are respectively slidably connected to the inner parts of the corresponding T-block slots. The four grooves on the upper surface of the rotating seat are each provided with a first fixing bolt groove. The outer walls of the grooves at the lower ends of the four collection boxes are correspondingly slidably connected to the inner parts of the four grooves on the rotating seat. Among them, the outer wall teeth of the first rotating gear are engaged with the outer wall teeth of the second rotating gear, and the ends of the four first fixing bolts close to the first fixing bolt groove are threadedly extended into the interior of the groove on the rotating seat and are respectively connected with the internal threads of the corresponding first fixing bolt grooves.

[0007] Preferably, a groove is provided on one side of the outer wall of the upper end of the mounting bracket, and a fixed mold is installed inside the groove, and a first cylinder is installed on the outer wall of the upper end of the mounting bracket; Among them, a top block is provided inside the fixed mold, the output end of the first cylinder slides and extends to the inside of the fixed mold and is fixedly connected to the outer wall of the top block, and the four support columns on the outer wall of the upper end of the mounting bracket are fixedly connected to a fixed support plate at one end away from the mounting bracket.

[0008] Preferably, a second cylinder is installed on the outer wall of the fixed support plate; The output end of the second cylinder slides and extends to the outside of the fixed support plate and is fixedly connected to the outer wall of the mounting plate.

[0009] Preferably, two second T-block grooves are provided on an outer wall of one side of the mounting plate, and the outer walls of the two T-blocks on the movable mold are respectively slidably connected to the inner parts of the corresponding second T-block grooves.

[0010] Preferably, two second fixing bolts are threadedly connected to the outer wall of one side of the mounting plate, and second fixing bolt grooves are provided on the outer walls of the two T-blocks on the movable mold.

[0011] Preferably, one end of each of the two second fixing bolts close to the second fixing bolt groove is threadedly extended into the interior of the second T-block groove and is respectively connected to the internal threads of the corresponding second fixing bolt groove.

[0012] Preferably, one end of the two sliding rods slidably connected to the fixed support plate close to the mounting plate both slides and extends to the outside of the fixed support plate and is fixedly connected to the outer wall of the mounting plate.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The multi-station injection mold automatic demolding and material receiving device, through the rotation of the first rotating gear driven by the motor in the material receiving device, the second rotating gear and the rotating seat are driven to rotate through the meshing of the teeth, the target collecting box is moved to below the demolding position, and the injection molded part directly falls into the corresponding collecting box after demolding. Thus, through the rotation of the rotating seat, the four collecting boxes can be switched to the demolding position in sequence, the continuous material receiving of the multi-station injection mold is realized, manual material receiving is avoided, the production efficiency of the equipment is effectively improved, and the workload of the workers is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] The application will be further described below in combination with the drawings and embodiments: Figure 1 It is a three-dimensional structural schematic diagram of the application; Figure 2 It is a structural schematic diagram of the outer part of the movable mold of the application; Figure 3 It is a structural schematic diagram of the outer part of the rotating seat of the application; Figure 4 It is a structural schematic diagram of the rotating seat of the application Figure 2 It is a structural schematic diagram of the enlarged view of A in the application; Figure 5 It is a structural schematic diagram of the enlarged view of B in the application. Figure 2

[0015] The drawings show that: 1, mounting bracket; 2, fixed mold; 3, first cylinder; 4, fixed support plate; 5, movable mold; 6, mounting plate; 7, second cylinder; 8, T-shaped block groove; 9, T-shaped block; 10, rotating seat; 11, first fixed bolt; 12, collecting box; 13, second fixed bolt groove; 14, first fixed bolt groove; 15, top block; 16, motor; 17, first rotating gear; 18, second rotating gear; 19, second fixed bolt; 20, second T-shaped block groove. DETAILED DESCRIPTION

[0016] This part will describe the specific embodiments of the application in detail, the preferred embodiments of the application are shown in the drawings, the role of the drawings is to supplement the description of the text part with figures, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the application, but it cannot be understood as a limitation on the protection scope of the application.

[0017] In the description of the application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the application.

[0018] ​In the description of this invention, terms such as "greater than," "less than," and "exceed" are understood to exclude the number itself, while terms such as "above," "below," and "within" are understood to include the number itself. The use of terms such as "first" and "second" is solely for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0019] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0020] See also Figure 1-5 , the present invention provides a technical solution: a multi-station injection mold automatic demoulding and material receiving device, including a mounting bracket 1, a movable mold 5 and a mounting plate 6; The mounting bracket 1 is provided with a material receiving device; The material receiving device includes a rotating base 10, a motor 16, a first rotating gear 17, a second rotating gear 18 and four collection boxes 12. The mounting bracket 1 is "L"-shaped. The second rotating gear 18 is rotated inside a groove opened at the lower end of the mounting bracket 1. The rotating base 10 is fixedly connected to the upper end of the second rotating gear 18. The motor 16 is installed inside the groove at the lower end of the mounting bracket 1. The first rotating gear 17 is fixedly connected to the output end of the motor 16. Eight T-block grooves 8 are opened on the upper surface of the rotating base 10. Two T-blocks 9 are fixedly connected to the lower surfaces of the four collection boxes 12. The eight T-blocks 9 are grouped in two, and the eight T-block grooves 8 are two The outer walls of the four groups of T-blocks 9 are respectively slidably connected to the inner parts of the corresponding T-block grooves 8. The first fixing bolt grooves 14 are provided inside the four grooves on the upper surface of the rotating seat 10. The outer walls of the grooves at the lower ends of the four collecting boxes 12 are correspondingly slidably connected to the inner parts of the four grooves on the rotating seat 10. The outer wall teeth of the first rotating gear 17 are engaged with the outer wall teeth of the second rotating gear 18. The upper surfaces of the protrusions on the four collecting boxes 12 are fixedly connected with the first fixing bolts 11. The ends of the four first fixing bolts 11 close to the first fixing bolt grooves 14 are threadedly extended to the inside of the groove on the rotating seat 10 and are respectively threadedly connected to the internal threads of the corresponding first fixing bolt grooves 14.

[0021] Among them, a groove is provided on the outer wall of one side of the upper end of the mounting bracket 1, and a fixed mold 2 is installed inside the groove. A first cylinder 3 is installed on the outer wall of the upper end of the mounting bracket 1. A top block 15 is provided inside the fixed mold 2. The output end of the first cylinder 3 slides and extends to the interior of the fixed mold 2 and is fixedly connected to the outer wall of the top block 15. The four support columns on the outer wall of the upper end of the mounting bracket 1 are fixedly connected to the fixed support plate 4 at one end away from the mounting bracket 1. The outer wall of the fixed support plate 4 is installed with a second cylinder 7. The output end of the second cylinder 7 slides and extends to the outside of the fixed support plate 4 and is fixedly connected to the outer wall of the mounting plate 6. Two second T-blocks are provided on the outer wall of one side of the mounting plate 6 Slot 20, the outer walls of the two T-blocks on the movable mold 5 are respectively slidably connected to the inner part of the corresponding second T-block groove 20, and the outer wall on one side of the mounting plate 6 is threadedly connected to two second fixing bolts 19. The outer walls of the two T-blocks on the movable mold 5 are both provided with second fixing bolt grooves 13, and the two second fixing bolts 19 are threadedly extended to the interior of the second T-block groove 20 at one end close to the second fixing bolt groove 13 and are respectively connected to the inner thread of the corresponding second fixing bolt groove 13. The two sliding rods slidably connected on the fixed support plate 4 are slidably extended to the outside of the fixed support plate 4 at one end close to the mounting plate 6 and are fixedly connected to the outer wall of the mounting plate 6.

[0022] Furthermore, when the device is used, it is started by connecting an external power source, the second cylinder 7 contracts, driving the mounting plate 6 and the movable mold 5 to move toward the fixed mold 2, so that the mold is closed so that the movable mold 5, the fixed mold 2 and the ejector block 15 form a molding cavity. Then, the external device injects the molten plastic into the closed movable mold 5 and the fixed mold 2 cavity, so that it cools and solidifies to form an injection molded part. Then, the first cylinder 3 is started, pushing the ejector block 15 to move toward the cavity of the fixed mold 2, ejecting the injection molded part from the fixed mold 2, and the motor 16 drives the first rotating gear 17 The gears of the rotating base 10 engage with each other and the second rotating gear 18 and the rotating base 10 to rotate, so that the target collection box 12 moves to the bottom of the demoulding position. After the injection molded parts are demoulded, they fall directly into the corresponding collection box 12. In this way, the four collection boxes 12 can be switched to the demoulding position in sequence by the rotation of the rotating base 10, so as to realize the continuous material connection of the multi-station injection mold. When a collection box 12 is full, the first fixing bolt 11 is loosened, and the collection box is slid out along the T-block groove 8. A new collection box 12 is replaced and locked again to ensure the continuity of production. The first rotating gear 17 is driven to rotate by the motor 16 in the material receiving device, and the second rotating gear 18 and the rotating base 10 are driven to rotate through the engagement of the teeth, so that the target collection box 12 is moved below the demoulding position, and the injection molded parts fall directly into the corresponding collection box 12 after demoulding. In this way, through the rotation of the rotating base 10, the four collection boxes 12 can be switched to the demoulding position in turn, realizing continuous material receiving of the multi-station injection mold, thereby avoiding manual material receiving, effectively improving the production efficiency of the equipment while reducing the workload of the staff.

[0023] Structural description: Mounting bracket 1: It is L-shaped and serves as the basic supporting structure of the device. A groove is provided on the outer wall of one side of the upper end for installing the fixed mold 2. Four support columns are fixed to the outer wall of the upper end. The top of the support columns is connected to the fixed support plate 4. A groove is provided at the lower end for installing the motor 16, the first rotating gear 17, the second rotating gear 18 and other components of the material receiving device; Fixed mold 2: fixed in the upper groove of the mounting bracket 1, with a top block 15 inside, and cooperates with the movable mold 5 to complete injection molding; The movable mold 5 is slidably connected to the second T-block groove 20 of the mounting plate 6 through the T-block and fixed by the second fixing bolt 19. It can move with the mounting plate 6 to realize the opening and closing of the mold; Mounting plate 6: driven by the second cylinder 7 and connected to the fixed support plate 4 by a sliding rod to ensure smooth movement; Rotating seat 10: The lower end is fixed to the second rotating gear 18 and can rotate with the gear. The upper surface is provided with eight T-block grooves 8 for installing the T-blocks 9 of the four collection boxes 12. The four grooves are provided with first fixing bolt grooves 14, which are fixed to the collection box 12 by the first fixing bolts 11. Motor 16: installed in the groove at the lower end of the mounting bracket 1, with the output end connected to the first rotating gear 17 to drive the gear transmission; The first rotating gear 17 and the second rotating gear 18 transmit the rotational power of the motor 16 to the rotating base 10 through tooth meshing; Collection box 12: Four collection boxes are symmetrically distributed, with two T-blocks 9 fixed on the lower surface, which are slidably connected to the T-block groove 8 of the rotating base 10 and locked to the rotating base 10 by the first fixing bolt 11. They are used to receive the injection molded parts after demoulding; The first cylinder 3 is installed on the upper end of the mounting bracket 1, and its output end is connected to the ejector block 15 in the fixed mold 2 to drive the ejector block to complete demoulding; The second cylinder 7 is installed on the fixed support plate 4. The output end pushes the mounting plate 6 to move, driving the movable mold 5 and the fixed mold 2 to close or separate.

[0024] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the scope of the present invention.

Claims

1. A multi-station injection mold automatic demoulding and material receiving device, comprising a mounting bracket (1), a movable mold (5) and a mounting plate (6), characterized in that: The mounting bracket (1) is provided with a material receiving device; The material receiving device includes a rotating base (10), a motor (16), a first rotating gear (17), a second rotating gear (18) and four collecting boxes (12), wherein the second rotating gear (18) is rotatably connected to the inside of a groove provided at the lower end of the mounting bracket (1), the rotating base (10) is fixedly connected to the upper end of the second rotating gear (18), and the motor (16) is installed in the groove at the lower end of the mounting bracket (1); The first rotating gear (17) is fixedly connected to the output end of the motor (16), the upper surface of the rotating seat (10) is provided with eight T-shaped block grooves (8), the lower surfaces of the four collecting boxes (12) are fixedly connected to two T-shaped blocks (9), and the upper surfaces of the upper protrusions of the four collecting boxes (12) are fixedly connected to the first fixing bolts (11).

2. The automatic demoulding and material receiving device for a multi-station injection mold according to claim 1, characterized in that: The mounting bracket (1) is L-shaped, with eight T-blocks (9) arranged in groups of two, and eight T-block slots (8) arranged in groups of two. The outer walls of the four groups of T-blocks (9) are respectively connected to the inner sides of the corresponding T-block slots (8) in a sliding manner. The four grooves on the upper surface of the rotating seat (10) are each provided with a first fixing bolt groove (14). The outer walls of the grooves at the lower ends of the four collecting boxes (12) are connected to the inner sides of the four grooves on the rotating seat (10) in a corresponding sliding manner. The outer wall teeth of the first rotating gear (17) are meshed with the outer wall teeth of the second rotating gear (18), and the ends of the four first fixing bolts (11) close to the first fixing bolt groove (14) are threadedly extended into the interior of the groove on the rotating seat (10) and are respectively connected to the internal threads of the corresponding first fixing bolt groove (14).

3. The multi-station injection mold automatic demoulding and material receiving device according to claim 1, characterized in that: A groove is provided on the outer wall of one side of the upper end of the mounting bracket (1), and a fixed mold (2) is installed inside the groove. A first cylinder (3) is installed on the outer wall of the upper end of the mounting bracket (1); A top block (15) is provided inside the fixed mold (2), the output end of the first cylinder (3) slides and extends into the interior of the fixed mold (2) and is fixedly connected to the outer wall of the top block (15), and one end of the four support columns on the outer wall of the upper end of the mounting bracket (1) away from the mounting bracket (1) is fixedly connected to a fixed support plate (4).

4. The automatic demoulding and material receiving device for a multi-station injection mold according to claim 3, characterized in that: A second cylinder (7) is installed on the outer wall of the fixed support plate (4); The output end of the second cylinder (7) slides and extends to the outside of the fixed support plate (4) and is fixedly connected to the outer wall of the mounting plate (6).

5. The automatic demoulding and material receiving device for a multi-station injection mold according to claim 4, characterized in that: Two second T-shaped block grooves (20) are formed on one side outer wall of the mounting plate (6), and the two T-shaped block outer walls on the movable mold (5) are respectively slidably connected to the inside of the corresponding second T-shaped block grooves (20).

6. The multi-station injection mold automatic demoulding and material receiving device according to claim 4, characterized in that: Two second fixing bolts (19) are threadedly connected to the outer wall of one side of the mounting plate (6), and second fixing bolt grooves (13) are provided on the outer walls of the two T-shaped blocks on the movable mold (5).

7. The automatic demoulding and material receiving device for a multi-station injection mold according to claim 6, characterized in that: One end of each of the two second fixing bolts (19) close to the second fixing bolt slot (13) is threadedly extended into the interior of the second T-shaped block slot (20) and is respectively connected to the internal threads of the corresponding second fixing bolt slot (13).

8. The automatic demoulding and material receiving device for a multi-station injection mold according to claim 3, characterized in that: The two sliding rods slidably connected to the fixed support plate (4) at one end close to the mounting plate (6) both slide and extend to the outside of the fixed support plate (4) and are fixedly connected to the outer wall of the mounting plate (6).