Assembly plastic mold

By designing the assembly plastic mold, the automatic operation of the upper and lower molds is achieved by using threaded shafts and motor drives, the problems of low injection molding efficiency, many equipment and high cost in the existing technology are solved, and efficient assembly injection molding is achieved.

CN222431450UActive Publication Date: 2025-02-07YIBIN PARKER PACKAGING CO LTD
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Patent Information

Application Number
CN202421404600.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-02-07
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

In the prior art, when injection molding assembly plastics, the number of equipment is large, the cost is high and the efficiency is low, making it difficult to achieve efficient assembly injection molding.

Method used

A composite plastic mold is designed, including a storage rack, a moving rack, an upper and lower mold and an electric push rod. Driven by a threaded shaft and a motor, it realizes automatic up and down movement and flip of the upper and lower molds, and is injected with an injection molding machine.

Benefits of technology

It realizes efficient injection molding of assembly plastics, reduces equipment quantity, reduces costs, and improves injection molding efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an assembly plastic mold which comprises a storage rack supporting rod which is connected with a movable rack in an up-down sliding mode, the lower end face of a top plate is fixedly connected with a first upper mold and a second upper mold, a rotating shaft is rotationally connected in each square hole, and the rotating shaft in the left square hole is rotationally connected with a first lower mold matched with the first upper mold. A second lower die matched with the second upper die is rotationally connected to the rotating shaft in the square hole in the right side, and the lower end face of the first lower die and the lower end face of the second lower die are each fixedly connected with two electric push rods which are symmetrical front and back, so that the first lower die and the second lower die can be moved upwards; after being combined with the first upper mold and the second upper mold, injection molding is conducted in the first lower mold and the second lower mold through the injection molding pipe, after the second plastic part and the first plastic part in the first lower mold and the second lower mold are turned over, the electric push rod drives the moving rod to move, and the first plastic part and the second plastic part fall into the collecting groove to be collected after being demolded; and the first plastic part and the second plastic part are distinguished by the partition plate.
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Description

Technical Field

[0001] The utility model relates to the field of injection molds, in particular to an assembly plastic mold. Background Art

[0002] Many plastic parts are modular workpieces, which are used in combination. If they are injected separately, the number of equipment will increase, the cost will be high, and the injection molding efficiency will be low. By injecting the assembled parts simultaneously using modular plastic molds, the amount of equipment used can be reduced, the injection molding cost can be reduced, and the injection molding efficiency can be improved. Utility Model Content

[0003] The purpose of the utility model is to provide a combined plastic mold to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a composite plastic mold, including a storage rack, a top plate is provided on the upper side of the storage rack, four support rods are fixedly connected between the top plate and the storage rack, the support rods are slidably connected to a movable rack, the movable rack is provided with four through holes, a first upper mold and a second upper mold are fixedly connected to the lower end surface of the top plate, the movable rack is provided with two square holes aligned with the first upper mold and the second upper mold, each of the square holes is rotatably connected to a rotating shaft, and the rotating shaft in the left square hole is rotatably connected to the first upper mold. The first lower mold that cooperates with the second upper mold is rotatably connected to the rotating shaft in the square hole on the right side, and the lower end surfaces of the first lower mold and the second lower mold are fixedly connected with two front-to-back symmetrical electric push rods, and the electric push rods are dynamically connected to a moving rod, and the moving rod is sealingly and slidably connected to the first lower mold and the second lower mold, so that the first upper mold and the first lower mold can be matched, and after the second upper mold and the second lower mold are matched, injection molding is carried out, and two plastic parts of the combined plastic part are injection-molded at the same time, reducing the number of equipment, reducing costs, and improving injection molding efficiency.

[0005] Advantageously, the storage rack is fixedly connected to a fixed plate, a second motor is fixedly connected to the lower end surface of the fixed plate, a threaded shaft is rotatably connected between the fixed plate and the top plate, the threaded shaft is threadedly connected to the mobile rack, the second motor is dynamically connected to the threaded shaft, and the second motor can drive the threaded shaft to rotate, thereby driving the mobile rack to move up and down;

[0006] Advantageously, the left and right end surfaces of the movable frame are both fixedly connected with a first motor, the first motor is dynamically connected to the rotating shaft, and the first motor can drive the rotating shaft to rotate, thereby driving the first lower mold and the second lower mold to flip;

[0007] Advantageously, the upper end surface of the top plate is fixedly connected with two left and right injection tubes passing through the top plate, the first upper mold and the second upper mold, so that the injection molding can be carried out in cooperation with the injection molding machine;

[0008] Advantageously, a controller is fixedly connected to the front end surface of the storage rack, and the controller controls the first motor, the electric push rod and the second motor, thereby realizing automatic injection molding and demoulding of the combined plastic parts;

[0009] Advantageously, the plastic part formed by the cooperation of the first upper mold and the first lower mold for injection molding is a first plastic part, and the plastic part formed by the cooperation of the second upper mold and the second lower mold for injection molding is a second plastic part, and the first plastic part and the second plastic part can be used in combination.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] The utility model is provided with a threaded shaft, a first upper mold and a moving frame, and a second motor can drive the moving frame to move up and down, so that the first lower mold and the second lower mold can be moved up, and after being combined with the first upper mold and the second upper mold, injection molding is performed into the first lower mold and the second lower mold through an injection molding tube to injection mold the first plastic part and the second plastic part.

[0012] The utility model is provided with a threaded hole, an electric push rod and a partition plate. The first motor can drive the first lower mold and the second lower mold to rotate. After the second plastic part and the first plastic part in the first lower mold and the second lower mold are turned over, the moving rod is driven to move by the electric push rod, and the first plastic part and the second plastic part are demoulded and fall into the collection tank for collection. The partition plate distinguishes the first plastic part from the second plastic part. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0014] Figure 2 for Figure 1 A top view of

[0015] Figure 3 for Figure 2 AA cross-sectional diagram of ;

[0016] Figure 4 for Figure 3 BB cross-sectional diagram;

[0017] Figure 5 for Figure 3 A partial enlarged schematic diagram of

[0018] Figure 6 It is a three-dimensional schematic diagram of the threaded shaft of the utility model;

[0019] Figure 7 It is a three-dimensional schematic diagram of the lower side of the top plate of the utility model;

[0020] Figure 8 It is a three-dimensional schematic diagram of the mobile frame of the utility model;

[0021] Fig. 9 It is a three-dimensional schematic diagram of the first plastic part and the second plastic part of the utility model.

[0022] In the figure: 100, storage rack; 101, top plate; 102, support rod; 103, first motor; 104, square hole; 105, first lower mold; 106, second lower mold; 107, threaded shaft; 108, controller; 109, first upper mold; 110, second upper mold; 111, rotating shaft; 112, electric push rod; 113, fixed plate; 114, second motor; 115, partition plate; 116, collecting trough; 117, moving rod; 118, moving rack; 119, threaded hole; 120, through hole; 121, first plastic part; 122, second plastic part; 123, injection molding tube. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail in combination with the embodiments below. 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.

[0024] Embodiment 1:

[0025] See also Figure 1-9The utility model provides a technical solution: a plastic mold for an assembly, including a storage rack 100, a top plate 101 is provided on the upper side of the storage rack 100, four support rods 102 are fixedly connected between the top plate 101 and the storage rack 100, the support rods 102 are slidably connected to a movable rack 118 up and down, the movable rack 118 is provided with four through holes 120, a first upper mold 109 and a second upper mold 110 are fixedly connected to the lower end surface of the top plate 101, the movable rack 118 is provided with two square holes 104 aligned with the first upper mold 109 and the second upper mold 110 up and down, each of the square holes 104 is rotatably connected with a rotating shaft 111, and the rotating shaft 111 in the left square hole 104 is rotatably connected with the first upper mold 109 and the second upper mold 110. The first lower mold 105 cooperates with the upper mold 109, and the rotating shaft 111 in the square hole 104 on the right is rotatably connected to the second lower mold 106 that cooperates with the second upper mold 110, and the lower end surfaces of the first lower mold 105 and the second lower mold 106 are fixedly connected with two front-to-back symmetrical electric push rods 112, and the electric push rods 112 are dynamically connected to the moving rod 117, and the moving rod 117 is sealed and slidably connected to the first lower mold 105 and the second lower mold 106, so that the first upper mold 109 can be matched with the first lower mold 105, and the second upper mold 110 can be matched with the second lower mold 106, and then injection molding is performed, and two plastic parts of the combined plastic part are injection-molded at the same time, thereby reducing the number of equipment, reducing costs, and improving injection molding efficiency.

[0026] The storage rack 100 is fixedly connected to a fixed plate 113, and a second motor 114 is fixedly connected to the lower end surface of the fixed plate 113. A threaded shaft 107 is rotatably connected between the fixed plate 113 and the top plate 101. The threaded shaft 107 is threadedly connected to the movable rack 118. The second motor 114 is power-connected to the threaded shaft 107. The second motor 114 can drive the threaded shaft 107 to rotate, thereby driving the movable rack 118 to move up and down.

[0027] The left and right end surfaces of the moving frame 118 are fixedly connected with the first motor 103, and the first motor 103 is connected to the rotating shaft 111 by power. The first motor 103 can drive the rotating shaft 111 to rotate, thereby driving the first lower mold 105 and the second lower mold 106 to flip;

[0028] The upper end surface of the top plate 101 is fixedly connected with two left and right injection tubes 123 passing through the top plate 101, the first upper mold 109 and the second upper mold 110, so as to cooperate with the injection molding machine for injection molding;

[0029] The front end of the storage rack 100 is fixedly connected with a controller 108, and the controller 108 controls the first motor 103, the electric push rod 112 and the second motor 114, so as to realize automatic injection molding and demoulding of the combined plastic parts;

[0030] The plastic part formed by the cooperation of the first upper mold 109 and the first lower mold 105 through injection molding is a first plastic part 121 , and the plastic part formed by the cooperation of the second upper mold 110 and the second lower mold 106 through injection molding is a second plastic part 122 . The first plastic part 121 and the second plastic part 122 can be used in combination.

[0031] Working principle:

[0032] During injection molding, the second motor 114 is first started through the controller 108, the second motor 114 drives the threaded shaft 107 to rotate, the threaded shaft 107 drives the moving frame 118 to move upward, the moving frame 118 drives the first lower mold 105 and the second lower mold 106 to move upward, the first lower mold 105 is sealed and clamped with the first upper mold 109, the second lower mold 106 is sealed and clamped with the second upper mold 110, and then, the injection molding machine is used to perform injection molding from the injection tube 123 into the first lower mold 105 and the second lower mold 106;

[0033] After the injection molding is completed, the threaded shaft 107 is rotated to drive the moving frame 118 to move downward, and the first motor 103 is started. The first motor 103 drives the rotating shaft 111 to rotate, and the rotating shaft 111 drives the first lower mold 105 and the second lower mold 106 to flip downward, and then the electric push rod 112 is started. The electric push rod 112 drives the moving rod 117 to move, and the moving rod 117 pushes the first plastic part 121 and the second plastic part 122 located in the first lower mold 105 and the second lower mold 106, and the first plastic part 121 and the second plastic part 122 fall to the left and right sides of the partition plate 115 for separation and collection;

[0034] After the first lower mold 105 and the second lower mold 106 are turned over to the initial position, the assembly injection molding can be carried out cyclically, thereby reducing the number of equipment, reducing costs, and improving the efficiency of injection molding.

[0035] It is obvious to those skilled in the art that various modifications and variations may be made to the disclosed embodiments. Other embodiments will be readily apparent to those skilled in the art in view of the specification and practice of the disclosed system. It is intended that the specification and examples be considered exemplary only, with the true scope of protection being determined by the appended claims and their equivalents.

Claims

1. A plastic mold assembly, comprising a storage rack (100), characterized in that: A top plate (101) is provided on the upper side of the storage rack (100); four support rods (102) are fixedly connected between the top plate (101) and the storage rack (100); the support rods (102) are slidably connected to a movable rack (118) up and down; the movable rack (118) is provided with four through holes (120); a first upper mold (109) and a second upper mold (110) are fixedly connected to the lower end surface of the top plate (101); the movable rack (118) is provided with two square holes (104) aligned with the first upper mold (109) and the second upper mold (110) up and down; each of the square holes (104) is rotatably connected to a rotating shaft (111) The rotating shaft (111) in the left square hole (104) is rotatably connected to the first lower mold (105) cooperating with the first upper mold (109), and the rotating shaft (111) in the right square hole (104) is rotatably connected to the second lower mold (106) cooperating with the second upper mold (110), and the lower end surfaces of the first lower mold (105) and the second lower mold (106) are fixedly connected with two front-to-back symmetrical electric push rods (112), and the electric push rods (112) are dynamically connected to a moving rod (117), and the moving rod (117) is sealed and slidably connected to the first lower mold (105) and the second lower mold (106).

2. The assembly plastic mold according to claim 1, characterized in that: The storage rack (100) is fixedly connected to a fixed plate (113), a second motor (114) is fixedly connected to the lower end surface of the fixed plate (113), a threaded shaft (107) is rotatably connected between the fixed plate (113) and the top plate (101), the threaded shaft (107) is threadedly connected to the movable rack (118), and the second motor (114) is power-connected to the threaded shaft (107).

3. The assembly plastic mold according to claim 2, characterized in that: The left and right end surfaces of the moving frame (118) are both fixedly connected to a first motor (103), and the first motor (103) is dynamically connected to the rotating shaft (111).

4. The assembly plastic mold according to claim 3, characterized in that: The upper end surface of the top plate (101) is fixedly connected with two left and right injection tubes (123) that pass through the top plate (101), the first upper mold (109) and the second upper mold (110).

5. The assembly plastic mold according to claim 4, characterized in that: The front end surface of the storage rack (100) is fixedly connected to a controller (108), and the controller (108) controls the first motor (103), the electric push rod (112) and the second motor (114).

6. The assembly plastic mold according to claim 5, characterized in that: The plastic part formed by the cooperation of the first upper mold (109) and the first lower mold (105) through injection molding is a first plastic part (121), and the plastic part formed by the cooperation of the second upper mold (110) and the second lower mold (106) through injection molding is a second plastic part (122).