Rapid forming device for injection mold production

Abstract

The utility model relates to the technical field of rapid prototyping devices, and discloses a rapid prototyping device for injection mold production, which comprises a cooling pond, and a mounting plate is fixedly mounted on the cooling pond; a driving part is fixedly mounted on the mounting plate, an upper die is fixedly mounted on a driving rod of the driving part through a connecting plate, a lower die is arranged under the upper die, and the lower die is connected with the cooling pond through a return mechanism; and a disturbance mechanism for disturbing liquid water in the cooling tank under the movement of the lower die is arranged in the cooling tank. According to the rapid forming device for production of the injection mold, the return mechanism is arranged, so that the upper mold acts on the return mechanism after moving downwards so as to be linked with the disturbance mechanism to rotate, liquid is disturbed during cooling, the cooling effect is improved, and the cooling rate is increased.

Description

Technical Field

[0001] The utility model relates to the field of rapid prototyping devices, in particular to a rapid prototyping device for producing injection molds. Background Art

[0002] An injection mold is a tool for producing plastic products. It is also a tool that gives plastic products a complete structure and precise size. Injection molding is a method used in mass production of certain parts with complex shapes.

[0003] When plastic products are injection molded, although cooling pipes are provided in the mold, the cooling pipes are usually distributed locally and cannot fully cool the mold. A longer cooling time is required, resulting in the inability to form the mold quickly.

[0004] In order to solve the above problems, the present application proposes a rapid prototyping device for injection mold production. Utility Model Content

[0005] (I) Purpose of the utility model

[0006] In order to solve the technical problems existing in the background technology, the utility model proposes a rapid prototyping device for injection mold production. The utility model is provided with a return mechanism so that the upper mold acts on the return mechanism after moving downward to link the disturbance mechanism to rotate, thereby disturbing the liquid during cooling, thereby increasing the cooling effect and cooling rate.

[0007] (II) Technical solution

[0008] In order to solve the above problems, the utility model provides a rapid prototyping device for injection mold production, comprising a cooling pool, on which a mounting plate is fixedly mounted;

[0009] A driving member is fixedly mounted on the mounting plate, an upper die is fixedly mounted on a driving rod of the driving member through a connecting plate, a lower die is arranged directly below the upper die, and the lower die is connected to the cooling pool through a restoring mechanism;

[0010] The interior of the cooling pool is provided with a disturbance mechanism for disturbing the liquid water inside the cooling pool by the movement of the lower mold.

[0011] Preferably, the return mechanism includes a connecting block, a guide rod and a spring, the connecting block is fixedly mounted on the lower mold, one end of the guide rod is fixedly connected to the inner wall of the cooling pool, the other end of the guide rod slides through the connecting block, the spring is movably sleeved on the outer periphery of the guide rod, one end of the spring is fixedly connected to the connecting block, and the other end of the spring is fixedly connected to the inner wall of the cooling pool.

[0012] Preferably, a ball rollingly connected to the guide rod is rotatably sleeved in the middle of the connecting block.

[0013] Preferably, the disturbance mechanism includes a rack, a gear, a rotating rod and a disturbance plate, the rack is fixedly connected to the lower mold, one end of the rotating rod is rotatably connected to the inner wall of the cooling pool, the gear is fixedly mounted on the rotating rod and transmits power to the rack, and the disturbance plate is fixedly mounted on the outer periphery of the rotating rod.

[0014] Preferably, one end of the rotating rod is axially connected to a auger.

[0015] Preferably, a shielding frame is fixedly sleeved on the outer periphery of the upper mold, and the inner wall of the shielding frame is slidably sleeved with the lower mold.

[0016] The above technical solution of the utility model has the following beneficial technical effects:

[0017] Add cooling liquid into the cooling pool, the liquid level is lower than the position when the lower mold is not subjected to external force, the driving part drives the upper mold, and the upper mold and the lower mold are closed. With the continuous driving of the driving part, the upper mold and the lower mold enter the coolant, and the lower mold moves downward continuously. The gear is transmitted through the rack to rotate the rotating rod and the disturbance plate. The disturbance plate disturbs the coolant inside the cooling pool to increase the cooling effect on the upper mold and the lower mold, so as to increase the molding rate. The downward movement of the lower mold plays a role of energy storage for the spring. When the driving rod of the driving part is retracted, the lower mold is driven to move upward under the action of the spring restoring force to move out of the coolant liquid level. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The utility model is a structural schematic diagram of a rapid prototyping device for injection mold production.

[0019] Figure 2 The utility model is a schematic diagram of a partial side sectional structure of a rapid prototyping device for injection mold production.

[0020] Figure 3 The utility model is a schematic diagram of the side structure of a disturbance plate in a rapid prototyping device for injection mold production.

[0021] Figure numerals: 1. cooling pool; 2. mounting plate; 3. driving member; 4. connecting plate; 5. upper mold; 6. lower mold; 7. return mechanism; 71. connecting block; 72. guide rod; 73. spring; 8. disturbance mechanism; 81. rack; 82. gear; 83. rotating rod; 84. disturbance plate; 9. shielding frame. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0023] like Figure 1-3 As shown, the utility model provides a rapid prototyping device for injection mold production, comprising a cooling pool 1, on which a mounting plate 2 is fixedly mounted;

[0024] A driving member 3 is fixedly mounted on the mounting plate 2, and an upper mold 5 is fixedly mounted on a driving rod of the driving member 3 through a connecting plate 4. A lower mold 6 is arranged directly below the upper mold 5, and the lower mold 6 is connected to the cooling pool 1 through a restoring mechanism 7;

[0025] The driving member 3 is a hydraulic cylinder or a pneumatic cylinder.

[0026] A disturbance mechanism 8 is provided inside the cooling pool 1 for disturbing the liquid water inside the cooling pool 1 as the lower mold 5 moves.

[0027] In an optional embodiment, the return mechanism 7 includes a connecting block 71, a guide rod 72 and a spring 73. The connecting block 71 is fixedly mounted on the lower mold 6, one end of the guide rod 72 is fixedly connected to the inner wall of the cooling pool 1, and the other end of the guide rod 72 slides through the connecting block 71. The spring 73 is movably sleeved on the outer periphery of the guide rod 72, one end of the spring 73 is fixedly connected to the connecting block 71, and the other end of the spring 73 is fixedly connected to the inner wall of the cooling pool 1.

[0028] Furthermore, a ball rollingly connected to the guide rod 72 is rotatably sleeved in the middle of the connecting block 71 .

[0029] It should be noted that the provision of balls can increase the smoothness of penetration.

[0030] In an optional embodiment, the disturbance mechanism 8 includes a rack 81, a gear 82, a rotating rod 83 and a disturbance plate 84, the rack 81 is fixedly connected to the lower mold 5, one end of the rotating rod 83 is rotatably connected to the inner wall of the cooling pool 1, the gear 82 is fixedly mounted on the rotating rod 83 and transmits power to the rack 81, and the disturbance plate 84 is fixedly mounted on the outer periphery of the rotating rod 83.

[0031] It should be noted that there are multiple disturbance plates 84 , and the multiple disturbance plates 84 are distributed on the rotating rod 83 at equal intervals.

[0032] In an optional embodiment, one end of the rotating rod 83 is axially connected to a auger.

[0033] It should be noted that when the rotating rod 83 rotates, the auger can be driven to rotate to disturb the cooling liquid.

[0034] In an optional embodiment, a shielding frame 9 is fixedly mounted on the outer periphery of the upper mold 5 , and the inner wall of the shielding frame 9 is slidably sleeved with the lower mold 6 .

[0035] It should be noted that a rubber pad is fixedly mounted inside the shielding frame 9 to increase the sealing performance when the shielding frame 9 is located between the upper mold 5 and the lower mold 6 .

[0036] In the utility model, cooling liquid is added to the interior of the cooling pool 1, and the liquid level is lower than the position of the lower mold 6 when no external force is applied. The driving member 3 drives the upper mold 5, and the upper mold 5 and the lower mold 6 are closed. With the continuous driving of the driving member 3, the upper mold 5 and the lower mold enter the cooling liquid, and the lower mold 5 moves downward continuously. The gear 82 is transmitted through the rack 81 to rotate the rotating rod 83 and the disturbance plate 84. The disturbance plate 84 disturbs the cooling liquid inside the cooling pool 1, thereby increasing the cooling effect on the upper mold 5 and the lower mold 6 to increase the molding rate. The downward movement of the lower mold 6 plays an energy storage role for the spring 73. When the driving rod of the driving member 3 is retracted, the lower mold 6 is driven to move upward under the action of the restoring force of the spring 73 to move out of the cooling liquid level.

[0037] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A rapid prototyping device for injection mold production, comprising a cooling pool (1), characterized in that: A mounting plate (2) is fixedly mounted on the cooling pool (1); A driving member (3) is fixedly mounted on the mounting plate (2); a driving rod of the driving member (3) is fixedly mounted with an upper mold (5) via a connecting plate (4); a lower mold (6) is provided directly below the upper mold (5); and the lower mold (6) is connected to the cooling pool (1) via a return mechanism (7); The interior of the cooling pool (1) is provided with a disturbance mechanism (8) for disturbing the liquid water inside the cooling pool (1) by the movement of the lower mold (6).

2. A rapid prototyping device for injection mold production according to claim 1, characterized in that: The return mechanism (7) comprises a connecting block (71), a guide rod (72) and a spring (73); the connecting block (71) is fixedly mounted on the lower mold (6); one end of the guide rod (72) is fixedly connected to the inner wall of the cooling pool (1); the other end of the guide rod (72) slides through the connecting block (71); the spring (73) is movably sleeved on the outer periphery of the guide rod (72); one end of the spring (73) is fixedly connected to the connecting block (71); and the other end of the spring (73) is fixedly connected to the inner wall of the cooling pool (1).

3. A rapid prototyping device for injection mold production according to claim 2, characterized in that: A ball bearing which is rotatably sleeved on the middle part of the connection block (71) and is rollingly connected to the guide rod (72).

4. A rapid prototyping device for injection mold production according to claim 3, characterized in that: The disturbance mechanism (8) comprises a rack (81), a gear (82), a rotating rod (83) and a disturbance plate (84); the rack (81) is fixedly connected to the lower mold (6); one end of the rotating rod (83) is rotatably connected to the inner wall of the cooling pool (1); the gear (82) is fixedly sleeved on the rotating rod (83) and transmits power to the rack (81); and the disturbance plate (84) is fixedly mounted on the outer periphery of the rotating rod (83).

5. A rapid prototyping device for injection mold production according to claim 4, characterized in that: One end of the rotating rod (83) is axially connected to a auger.

6. A rapid prototyping device for injection mold production according to any one of claims 1 to 5, characterized in that: A shielding frame (9) is fixedly sleeved on the outer periphery of the upper mold (5), and the inner wall of the shielding frame (9) is slidably sleeved with the lower mold (6).

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