Large-size product position calibration device for injection molding

Abstract

The utility model discloses a large-size product position calibration device for injection molding, which belongs to the technical field of injection molding processing and is characterized by comprising a lower injection mold and an upper injection mold, the upper injection mold is arranged at the top of the lower injection mold, the bottom of the lower injection mold is bolted with a bottom plate, a positioning component is arranged at the top of the bottom plate, and the positioning component is arranged on the bottom plate. By arranging the lower injection mold body, the upper injection mold body, the positioning assembly, the calibration assembly, the lower mold assembly, the butt joint assembly and the liquid injection pipe, during use, the lower mold assembly at the top of the upper injection mold body is installed to a proper position, and the lower injection mold body at the top of the bottom plate is fixed to the bottom of the upper injection mold body; when the large-size injection molding product is subjected to injection molding processing, the lower mold assembly is started to push the upper injection molding mold and carry the butt joint assembly at the top to be in magnetic butt joint with the butt joint assembly at the top of the inner frame located on the outer side of the lower injection molding mold firstly.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding processing, in particular to a large-size product position calibration device for injection molding. Background Art

[0002] Injection molding is a method of producing industrial products. Products usually use rubber injection molding and plastic injection molding. Among them, injection molded products are achieved by injecting processing liquid into the injection mold and closing the mold.

[0003] When making large-sized injection molded parts, it is impossible to calibrate the position of the injection mold when molding the large-sized injection molded parts, which causes the large-sized injection molded parts to have displacement offsets during injection molding, and the quality of the large-sized injection molded parts cannot be guaranteed. Therefore, a large-sized product position calibration device for injection molding is proposed to solve the above-mentioned problem. Utility Model Content

[0004] The utility model provides a large-size product position calibration device for injection molding, aiming to solve the problem that when making large-size injection molded parts, it is impossible to calibrate the position of the injection mold when molding the large-size injection molded parts, thereby causing the large-size injection molded parts to produce displacement offset during injection molding, thereby failing to ensure the quality of the large-size injection molded parts. Therefore, a large-size product position calibration device for injection molding is proposed to solve the above-mentioned problem.

[0005] The utility model is implemented as follows: a large-size product position calibration device for injection molding comprises a lower injection mold and an upper injection mold, wherein the upper injection mold is arranged on the top of the lower injection mold, the bottom of the lower injection mold is bolted with a bottom plate, a positioning component is arranged on the top of the bottom plate, the positioning component is located on the outside of the lower injection mold, a calibration component is arranged inside the positioning component, the calibration component is located on the outside of the upper injection mold, a lower mold component is arranged on the top of the upper injection mold, a docking component is arranged on the outside of the upper injection mold and the top of the positioning component, and a liquid injection pipe is connected to the front side of the top of the upper injection mold;

[0006] The positioning assembly includes a spring column, an outer frame and an inner frame. The spring column is bolted to the four corners of the top of the bottom plate, the outer frame is bolted to the top of the spring column, the inner frame is bolted to the inside of the outer frame, and the inner frame is slidably connected to the outside of the lower injection mold.

[0007] In order to achieve the effect of assisting in position calibration when molding large-sized injection molded parts, a large-sized product position calibration device for injection molding is preferred as the utility model. The calibration component includes an electric push rod and a calibration plate. The electric push rods are bolted on the four sides of the outer frame respectively. The telescopic ends of the electric push rods pass through the outer sides of the outer frame and the inner fixed frame in sequence. The calibration plate is arranged around the inside of the inner fixed frame, and the outer side of the calibration plate is bolted to the telescopic end of the electric push rod.

[0008] In order to achieve the effect of pushing the upper injection mold and the lower injection mold to close the mold for injection molding, as a preferred large-size product position calibration device for injection molding of the utility model, the lower mold assembly includes a hydraulic cylinder and a fixed plate, the hydraulic cylinders are respectively bolted to the two sides of the top of the upper injection mold, and the fixed plate is bolted to the top of the hydraulic cylinder.

[0009] In order to achieve the effect of improving the stability and preventing deviation of the upper injection mold and the lower injection mold when they are closed, as a preferred large-size product position calibration device for injection molding of the utility model, the docking assembly includes a slide groove, a slider, a magnetic plate and a magnetic plate, the slide groove is opened around the outside of the upper injection mold, the slider is slidably connected to the inside of the slide groove, the magnetic plate is fixedly connected to the outside of the slider, the magnetic plate is bolted to the top of the inner frame, and the magnetic plate is magnetically connected to the magnetic plate.

[0010] In order to achieve the effect of sealing the space between the outer frame and the inner fixed frame, as a preferred large-size product position calibration device for injection molding of the utility model, a closing plate is bolted to the bottom side of the outer frame, and the inner side of the closing plate contacts the top of the outer side of the inner fixed frame.

[0011] In order to facilitate the injection of liquid into the injection tube, as a preferred large-size product position calibration device for injection molding of the utility model, the top of the injection tube is connected to a lower hopper, and the lower hopper is funnel-shaped.

[0012] In order to further enhance the stability of the magnetic connection between the magnetic plate and the magnetic plate, as a preferred large-size product position calibration device for injection molding of the utility model, the four corners of the bottom of the magnetic plate are fixedly connected with clamping columns, and the four corners of the top of the magnetic plate are provided with clamping grooves, and the clamping grooves are clamped with the clamping columns.

[0013] In order to achieve the effect of improving the wear resistance of the calibration plate, as a preferred large-size product position calibration device for injection molding of the utility model, the inner side of the calibration plate is coated with an anti-wear coating, and the anti-wear coating is made of anti-wear material.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The large-size product position calibration device for injection molding is provided with a lower injection mold, an upper injection mold, a positioning component, a calibration component, a lower mold component, a docking component and an injection pipe. When in use, the lower mold component on the top of the upper injection mold is installed to a suitable position, and the lower injection mold on the top of the bottom plate is fixed to the bottom of the upper injection mold. Then, when the large-size injection molded product is injection molded, the lower mold component is started to push the upper injection mold and carry the docking component on the top to first perform magnetic docking with the docking component on the top of the inner fixed frame outside the lower injection mold, so as to avoid the upper injection mold from running off or slightly offsetting when descending. Then, after the lower injection mold descends to the inside of the inner fixed frame, the upper injection mold is pushed by starting the docking component on the outside to carry out magnetic docking with the docking component on the top of the inner fixed frame. The electric push rod on the outside of the frame pushes the calibration plate on the inside of the inner frame to achieve extrusion around the lower injection mold, so as to ensure that the lower injection mold is in a vertical and horizontal state without deviation and in contact with the top of the lower injection mold. In this process, the upper docking assembly squeezes the lower docking assembly, so that the inner and outer frames compress the spring columns downward after being squeezed, so that the bottom of the upper injection mold is firmly in contact with the top of the lower injection mold, and then the injection liquid is added through the injection pipe on the top of the upper injection mold to form an injection molded part. The overall coordination can achieve no displacement offset when injecting large-size injection molded products, and realize automatic position calibration, thereby ensuring the quality of large-size injection molded products. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is the overall structure diagram of the large-size product position calibration device for injection molding of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the lower injection mold and the upper injection mold in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the positioning component and the calibration component in the utility model;

[0019] Figure 4 It is a structural schematic diagram of the lower mold assembly of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the docking assembly in the utility model.

[0021] In the figure, 1. lower injection mold; 2. upper injection mold; 3. bottom plate; 4. positioning assembly; 401. spring column; 402. outer frame; 403. inner fixed frame; 5. calibration assembly; 501. electric push rod; 502. calibration plate; 6. lower mold assembly; 601. hydraulic cylinder; 602. fixed plate; 7. docking assembly; 701. slide groove; 702. slider; 703. magnetic plate; 704. magnetic plate; 8. injection tube; 9. closing plate; 10. lower hopper; 11. clamping column; 12. clamping groove. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0024] See also Figure 1-5 The utility model provides a technical solution: a large-size product position calibration device for injection molding, comprising a lower injection mold 1 and an upper injection mold 2, the upper injection mold 2 is arranged on the top of the lower injection mold 1, the bottom of the lower injection mold 1 is bolted with a bottom plate 3, a positioning component 4 is arranged on the top of the bottom plate 3, the positioning component 4 is located on the outside of the lower injection mold 1, a calibration component 5 is arranged inside the positioning component 4, the calibration component 5 is located on the outside of the upper injection mold 2, a lower mold component 6 is arranged on the top of the upper injection mold 2, the outer side of the upper injection mold 2 and the top of the positioning component 4 are both provided with a docking component 7, and the front side of the top of the upper injection mold 2 is connected with an injection pipe 8;

[0025] The positioning assembly 4 includes a spring column 401, an outer frame 402 and an inner frame 403. The spring column 401 is bolted to the four corners of the top of the bottom plate 3, the outer frame 402 is bolted to the top of the spring column 401, the inner frame 403 is bolted to the inside of the outer frame 402, and the inner frame 403 is slidably connected to the outside of the lower injection mold 1.

[0026] In this embodiment: by setting the lower injection mold 1, the upper injection mold 2, the positioning component 4, the calibration component 5, the lower mold component 6, the docking component 7 and the injection tube 8, when in use, the lower mold component 6 on the top of the upper injection mold 2 is installed to a suitable position, and the lower injection mold 1 on the top of the base plate 3 is fixed to the bottom of the upper injection mold 2, and then when the large-size injection molded product is injection molded, the upper injection mold 2 is pushed by starting the lower mold component 6 and the docking component 7 on the top is first magnetically docked with the docking component 7 on the top of the inner fixed frame 403 outside the lower injection mold 1, so as to avoid the upper injection mold 2 from running off or slightly offset when it descends, and then after the lower injection mold 1 descends to the inside of the inner fixed frame 403, the outer frame 402 is started. The electric push rod 501 pushes the calibration plate 502 on the inner side of the inner fixing frame 403 to achieve extrusion on all sides of the lower injection mold 1, so as to ensure that the lower injection mold 1 is in a vertical and horizontal state without deviation and contacts with the top of the lower injection mold 1. In this process, the upper docking component 7 squeezes the lower docking component 7, so that the inner fixing frame 403 and the outer frame 402 compress the spring column 401 downward after being squeezed, so that the bottom of the upper injection mold 2 is firmly in contact with the top of the lower injection mold 1, and then the injection liquid is added through the injection pipe 8 on the top of the upper injection mold 2 to form an injection molded part. The overall coordination can achieve no displacement offset when injecting large-sized injection molded products, and realize automatic position calibration, thereby ensuring the quality of large-sized injection molded products.

[0027] As a technical optimization solution of the utility model, the calibration component 5 includes an electric push rod 501 and a calibration plate 502. The electric push rod 501 is bolted on the four sides of the outer frame 402 respectively. The telescopic end of the electric push rod 501 passes through the outer side of the outer frame 402 and the inner fixed frame 403 in sequence. The calibration plate 502 is arranged on the four sides of the inner fixed frame 403, and the outer side of the calibration plate 502 is bolted to the telescopic end of the electric push rod 501.

[0028] In this embodiment: by setting an electric push rod 501 and a calibration plate 502, when the lower injection mold 1 descends to the inside of the inner fixed frame 403, the electric push rod 501 located on the outside of the outer frame 402 is started to push the calibration plate 502 on the inside of the inner fixed frame 403 to achieve squeezing of the lower injection mold 1 on all sides, thereby ensuring that the lower injection mold 1 is in a vertical and horizontal state without deviation and in contact with the top of the lower injection mold 1.

[0029] As a technical optimization solution of the utility model, the lower mold assembly 6 includes a hydraulic cylinder 601 and a fixed plate 602 . The hydraulic cylinder 601 is bolted to both sides of the top of the upper injection mold 2 , and the fixed plate 602 is bolted to the top of the hydraulic cylinder 601 .

[0030] In this embodiment: by setting up a hydraulic cylinder 601 and a fixed plate 602, after the fixed plate 602 is installed to a suitable position, the hydraulic cylinder 601 at the bottom is started to push the upper injection mold 2 downward, so as to facilitate the subsequent use of the lower injection mold 1 for injection molding.

[0031] As a technical optimization solution of the utility model, the docking component 7 includes a slide groove 701, a slider 702, a magnetic attraction plate 703 and a magnetic plate 704. The slide groove 701 is opened around the outer side of the upper injection mold 2, the slider 702 is slidably connected to the inside of the slide groove 701, the magnetic attraction plate 703 is fixedly connected to the outer side of the slider 702, the magnetic plate 704 is bolted to the top of the inner fixed frame 403, and the magnetic plate 704 is magnetically connected to the magnetic attraction plate 703.

[0032] In this embodiment: by setting the slide groove 701, the slider 702, the magnetic plate 703 and the magnetic plate 704, when the hydraulic cylinder 601 is started to push the upper injection mold 2 downward, the slider 702 inside the outer slide groove 701 and the outer magnetic plate 703 are moved downward synchronously, so as to achieve magnetic docking with the magnetic plate 704 located on the top of the outer inner frame 403 of the lower injection mold 1, so as to avoid the upper injection mold 2 from running off or slightly offset when descending.

[0033] As a technical optimization solution of the present invention, a closing plate 9 is bolted to the bottom side of the inner portion of the outer frame 402 , and the inner side of the closing plate 9 is in contact with the top of the outer side of the inner fixed frame 403 .

[0034] In this embodiment, by providing the closing plate 9, the space between the outer frame 402 and the inner frame 403 can be closed for use, thereby increasing practicality.

[0035] As a technical optimization solution of the present utility model, the top of the injection pipe 8 is connected to a lower hopper 10, and the lower hopper 10 is in the shape of a funnel.

[0036] In this embodiment, by providing the lower hopper 10, it is possible to facilitate the injection of liquid into the injection tube 8, thereby increasing convenience.

[0037] As a technical optimization solution of the utility model, the four corners of the bottom of the magnetic plate 703 are fixedly connected with a clamping column 11, and the four corners of the top of the magnetic plate 704 are provided with a clamping groove 12, and the clamping groove 12 is clamped with the clamping column 11.

[0038] In this embodiment, by providing the clamping column 11 and the clamping slot 12, the stability effect of the magnetic connection between the magnetic attraction plate 703 and the magnetic plate 704 can be further improved to increase practicality.

[0039] As a technical optimization solution of the present invention, the inner side of the calibration plate 502 is coated with an anti-wear coating, and the anti-wear coating is made of anti-wear material.

[0040] In this embodiment: by applying an anti-wear coating of anti-wear material on the inner side of the calibration plate 502, the anti-wear performance of the calibration plate 502 can be improved.

[0041] Working principle: First, the hydraulic cylinder 601 at the bottom is started to push the upper injection mold 2 downward, and the slider 702 inside the outer slide 701 and the outer magnetic plate 703 are moved downward synchronously, so as to achieve magnetic docking with the magnetic plate 704 on the top of the inner fixed frame 403 outside the lower injection mold 1, so as to avoid the upper injection mold 2 from running off or slightly offset when descending. Then, after the lower injection mold 1 descends to the inside of the inner fixed frame 403, the electric push rod 501 located on the outside of the outer frame 402 is started to push the calibration plate 502 inside the inner fixed frame 403 to squeeze the surroundings of the lower injection mold 1. The lower injection mold 1 is pressed vertically and horizontally without deviation and in contact with the top of the lower injection mold 1. In this process, the magnetic plate 704 is squeezed by the magnetic plate 703, so that the inner frame 403 and the outer frame 402 compress the spring column 401 downward after being squeezed, so that the bottom of the upper injection mold 2 is firmly in contact with the top of the lower injection mold 1, and then the injection liquid is added through the injection pipe 8 on the top of the upper injection mold 2 to form an injection molded part. The overall coordination can achieve no displacement offset when injecting large-size injection molded products, and realize automatic position calibration, thereby ensuring the quality of large-size injection molded products.

[0042] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A large-size product position calibration device for injection molding, comprising a lower injection mold (1) and an upper injection mold (2), characterized in that: The upper injection mold (2) is arranged on the top of the lower injection mold (1); the bottom of the lower injection mold (1) is bolted with a bottom plate (3); the top of the bottom plate (3) is provided with a positioning component (4); the positioning component (4) is located on the outside of the lower injection mold (1); a calibration component (5) is arranged inside the positioning component (4); the calibration component (5) is located on the outside of the upper injection mold (2); a lower mold component (6) is arranged on the top of the upper injection mold (2); the outside of the upper injection mold (2) and the top of the positioning component (4) are both provided with a docking component (7); the front side of the top of the upper injection mold (2) is connected with an injection pipe (8); The positioning assembly (4) comprises a spring column (401), an outer frame (402) and an inner fixing frame (403); the spring column (401) is bolted to the four corners of the top of the bottom plate (3), the outer frame (402) is bolted to the top of the spring column (401), the inner fixing frame (403) is bolted to the inside of the outer frame (402), and the inner fixing frame (403) is slidably connected to the outside of the lower injection mold (1).

2. A large-size product position calibration device for injection molding according to claim 1, characterized in that: The calibration assembly (5) includes an electric push rod (501) and a calibration plate (502), wherein the electric push rod (501) is bolted to the four sides of the outer frame (402), respectively, and the telescopic end of the electric push rod (501) passes through the outer sides of the outer frame (402) and the inner fixed frame (403) in sequence, and the calibration plate (502) is arranged around the inner fixed frame (403), and the outer side of the calibration plate (502) is bolted to the telescopic end of the electric push rod (501).

3. A large-size product position calibration device for injection molding according to claim 1, characterized in that: The lower mold assembly (6) comprises a hydraulic cylinder (601) and a fixed plate (602), wherein the hydraulic cylinder (601) is bolted to two sides of the top of the upper injection mold (2) respectively, and the fixed plate (602) is bolted to the top of the hydraulic cylinder (601).

4. A large-size product position calibration device for injection molding according to claim 1, characterized in that: The docking assembly (7) comprises a slide groove (701), a slider (702), a magnetic plate (703) and a magnetic plate (704); the slide groove (701) is arranged around the outer side of the upper injection mold (2); the slider (702) is slidably connected to the inside of the slide groove (701); the magnetic plate (703) is fixedly connected to the outer side of the slider (702); the magnetic plate (704) is bolted to the top of the inner fixed frame (403); and the magnetic plate (704) is magnetically connected to the magnetic plate (703).

5. The large-size product position calibration device for injection molding according to claim 1, characterized in that: A closing plate (9) is bolted to the bottom side of the inner part of the outer frame (402), and the inner side of the closing plate (9) is in contact with the top of the outer side of the inner fixed frame (403).

6. The large-size product position calibration device for injection molding according to claim 1, characterized in that: The top of the liquid injection pipe (8) is connected to a lower hopper (10), and the lower hopper (10) is in the shape of a funnel.

7. A large-size product position calibration device for injection molding according to claim 4, characterized in that: The four corners at the bottom of the magnetic attraction plate (703) are all fixedly connected with a clamping column (11), and the four corners at the top of the magnetic plate (704) are all provided with a clamping groove (12), and the clamping groove (12) is clamped with the clamping column (11).

8. The large-size product position calibration device for injection molding according to claim 2, characterized in that: The inner side of the calibration plate (502) is coated with an anti-wear coating, which is made of an anti-wear material.

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