A mold clamping device for injection molding machine

Abstract

The present application relates to the field of injection molding machines, and discloses an injection molding machine mold closing device, including an injection molding device, a fixed mold is fixedly installed on one side edge of the top of the injection molding device, a driving unit is arranged on the other side edge of the top of the injection molding device, a movable mold is installed on one output end of the driving unit, front and rear ends of the fixed mold are fixedly connected to a fixing frame, a fixing rod is welded between the upper and lower ends of the inner wall of the fixing frame, and the upper and lower ends of the outer surface of the fixed rod are sleeved with No. 1 springs, a movable block is sleeved on the outer surface of the fixed rod near the No. 1 spring, and one side of the movable block extends to the outside of the fixed frame and is rotatably installed with a movable support rod; the present application uses a buffer support plate to cooperate with a connecting plate to resist the movable mold in motion, thereby achieving the effect of facilitating the buffering support of the fixed mold and the movable mold in the mold closing, reducing the impact force when the movable mold moves close to the fixed mold, solving the problem of damage caused by collision when the fixed mold and the movable mold are closed, and improving the overall service life of the fixed mold and the movable mold.

Description

Technical Field

[0001] The present application relates to the field of injection molding machines, and in particular to a mold clamping device for an injection molding machine. Background Art

[0002] An injection molding machine is an industrial equipment used to manufacture plastic products. It produces plastic products of various shapes and uses by injecting molten plastic materials into a mold and cooling them into shape. Plastic particles or powders are put into a hopper, heated and melted by the screw and barrel introduced into the injection device. The screw moves forward and injects the molten plastic into the mold cavity through the nozzle. After the injection is completed, pressure continues to be applied to compensate for the shrinkage of the plastic and allow it to cool and shape in the mold.

[0003] During the injection molding process, the mold for shaping the molten plastic needs to be closed by driving the movable mold to abut against the fixed mold. When closing the mold, the movable mold will generate a certain impact force after abutting against the fixed mold, which may cause certain damage to the fixed mold as a whole, reducing the overall service life of the mold.

[0004] In view of the above-mentioned related technologies, the inventor believes that the injection molding machine mold has the defect of being damaged by the collision of the abutting molds when the molds are closed. Therefore, an injection molding machine mold closing device is proposed to solve the above-mentioned problem. Utility Model Content

[0005] In order to solve the problem of damage caused by mold collision when the molds of an injection molding machine abut against each other during mold closing, the present application provides a mold closing device for an injection molding machine.

[0006] The present application provides an injection molding machine mold clamping device that adopts the following technical solution:

[0007] A mold clamping device for an injection molding machine comprises an injection molding device, wherein a fixed mold is fixedly installed on one side edge of the top of the injection molding device, a driving unit is provided on the other side edge of the top of the injection molding device, a movable mold is installed on one output end of the driving unit, front and rear ends of the fixed mold are fixedly connected to a fixing frame, a fixing rod is welded between the upper and lower ends of the inner wall of the fixing frame, upper and lower ends of the outer surface of the fixing rod are sleeved with a No. 1 spring, a movable block is sleeved on the outer surface of the fixing rod near the No. 1 spring, one side of the movable block extends to the outside of the fixed frame to rotatably install a movable support rod, a connecting seat is movably installed on the edge of the outer surface of the movable support rod, a buffer support plate is welded on one side of the connecting seat, and a supporting mechanism is also provided on the outer surface of the movable mold for buffering the movable mold near the fixed mold.

[0008] Preferably, the supporting mechanism includes a connecting frame, which is fixedly installed at the front and rear ends of the movable mold. A fixing groove is symmetrically opened in the middle of one side of the connecting frame, a No. 2 spring is installed on one side of the inner wall of the fixing groove, one side of the No. 2 spring extends to the outside of the fixing groove and a movable rod is movably installed, and a connecting plate is fixedly connected to one side of the movable rod.

[0009] Preferably, a through hole is provided in the middle of the top end of the movable block, the outer diameter of the fixing rod is smaller than the inner diameter of the through hole, and the fixing rod and the through hole are fitted into each other.

[0010] Preferably, the buffer support plate and the connecting plate are aligned with each other, and one side of the buffer support plate and one side of the connecting plate are in contact with each other.

[0011] Preferably, the outer diameter of the movable rod is smaller than the inner diameter of the opening of the fixing groove, and the fixing groove and the movable rod are coupled to each other.

[0012] In summary, this application includes the following beneficial technical effects:

[0013] The mold is closed by moving the movable mold close to the fixed mold, making the connecting plate fit against the outer surface of the buffer support plate, and rotating the movable support rod to push the movable block to move, so that the No. 1 spring provides buffering support for the movable movable block, and at the same time, the connecting plate pushes the movable rod to move along the inside of the fixed groove, so that the No. 2 spring provides buffering support for the movable connecting plate; compared with the prior art, this scheme has the effect of facilitating the buffering support of the fixed mold and the movable mold in the mold closing, reduces the impact force when the movable mold moves close to the fixed mold, solves the problem of damage caused by collision when the fixed mold and the movable mold are closed, and improves the overall service life of the fixed mold and the movable mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0015] Figure 2 is a schematic diagram of the structure of the fixing frame in the application embodiment;

[0016] Figure 3 is a schematic cross-sectional structure diagram of a connecting frame in an embodiment of the application;

[0017] Explanation of the accompanying drawings: 1. Injection molding equipment; 2. Fixed mold; 3. Driving unit; 4. Moving mold; 5. Fixed frame; 6. Fixed rod; 7. Spring No. 1; 8. Movable block; 9. Movable support rod; 10. Connecting seat; 11. Buffer support plate; 12. Connecting frame; 13. Fixed groove; 14. Spring No. 2; 15. Movable rod; 16. Connecting plate. DETAILED DESCRIPTION

[0018] The following is combined with Figure 1-3 This application is described in further detail.

[0019] The present application embodiment discloses a mold clamping device for an injection molding machine. Figure 1-3 , a mold clamping device for an injection molding machine comprises an injection molding device 1, a fixed mold 2 is fixedly installed on one side edge of the top of the injection molding device 1, a driving part 3 is arranged on the other side edge of the top of the injection molding device 1, a movable mold 4 is arranged on the output end of one side of the driving part 3, a fixing frame 5 is fixedly connected to the front and rear ends of the fixed mold 2, a fixing rod 6 is welded between the upper and lower ends of the inner wall of the fixing frame 5, a No. 1 spring 7 is sleeved on the upper and lower ends of the outer surface of the fixing rod 6, a movable block 8 is sleeved on the outer surface of the fixing rod 6 near the No. 1 spring 7, a through hole is opened through the middle part of the top of the movable block 8, the outer diameter of the fixing rod 6 is smaller than the inner diameter of the through hole, the fixing rod 6 and the through hole are fitted with each other, one side of the movable block 8 extends to the outside of the fixed frame 5 and a movable support rod 9 is rotatably installed, a connecting seat 10 is movably installed on the outer surface edge of the movable support rod 9, a buffer support plate 11 is welded on one side of the connecting seat 10, and a supporting mechanism is also provided on the outer surface of the movable mold 4 for buffering the movable mold 4 near the fixed mold 2.

[0020] The driving part 3 drives the movable mold 4 to move close to the fixed mold 2 for mold closing, so that the movable movable mold 4 drives the connecting plate 16 to fit the outer surface of the buffer support plate 11, and the connecting plate 16 pushes the buffer support plate 11 to move, so that the connecting seat 10 pushes the movable support rod 9 to rotate and the movable block 8 moves along the outer surface of the fixed rod 6, so that the movable block 8 pushes the No. 1 spring 7 to be compressed, so that the No. 1 spring 7 buffers and supports the movable block 8, which reflects the resistance effect of the buffer support plate 11 on the movable mold 4.

[0021] Reference Figure 2 and Figure 3 The supporting mechanism includes a connecting frame 12, which is fixedly installed at the front and rear ends of the movable mold 4. A fixing groove 13 is symmetrically opened in the middle of one side of the connecting frame 12. A No. 2 spring 14 is installed on one side of the inner wall of the fixing groove 13. A movable rod 15 is movably installed on one side of the No. 2 spring 14 extending to the outside of the fixing groove 13. The outer diameter of the movable rod 15 is smaller than the inner diameter of the opening of the fixing groove 13. The fixing groove 13 and the movable rod 15 are coupled to each other. A connecting plate 16 is fixedly connected to one side of the movable rod 15. The buffer support plate 11 and the connecting plate 16 are aligned with each other, and one side of the buffer support plate 11 and one side of the connecting plate 16 fit each other.

[0022] By making the buffer support plate 11 push the connecting plate 16 in the opposite direction to move, the movable rod 15 is pushed to move along the inside of the fixed groove 13, so that the fixed groove 13 pushes the No. 2 spring 14 to be compressed, so that the No. 2 spring 14 buffers and supports the movable connecting plate 16, reflecting the movable resistance effect of the connecting plate 16 on the buffer support plate 11.

[0023] The implementation principle of the mold clamping device of an injection molding machine in the embodiment of the present application is as follows: the driving part 3 drives the movable mold 4 to move close to the fixed mold 2 for mold clamping, so that the movable movable mold 4 drives the connecting plate 16 to fit on the outer surface of the buffer support plate 11, and the connecting plate 16 pushes the buffer support plate 11 to move, so that the connecting seat 10 pushes the movable support rod 9 to rotate and the movable block 8 moves along the outer surface of the fixed rod 6, so that the movable block 8 pushes the No. 1 spring 7 to compress, so that the No. 1 spring 7 buffers and supports the movable movable block 8, and at the same time, the buffer support plate 11 pushes the connecting plate 16 in the opposite direction to move, and then pushes the movable rod 15 to move along the inside of the fixed groove 13, so that the fixed groove 13 pushes the No. 2 spring 14 to compress, so that the No. 2 spring 14 buffers and supports the movable connecting plate 16; compared with the prior art, this scheme has the effect of facilitating the buffering and supporting of the fixed mold 2 and the movable mold 4 in the mold clamping, reduces the impact force when the movable mold 4 moves close to the fixed mold 2, solves the problem of damage caused by collision when the fixed mold 2 and the movable mold 4 are clamped, and improves the overall service life of the fixed mold 2 and the movable mold 4.

[0024] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0025] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0026] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0027] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A mold clamping device for an injection molding machine, comprising an injection molding device (1), a fixed mold (2) is fixedly installed on one side of the top of the injection molding device (1), a driving part (3) is arranged on the other side of the top of the injection molding device (1), and a movable mold (4) is installed on one output end of the driving part (3), characterized in that: The front and rear ends of the fixed mold (2) are fixedly connected to a fixing frame (5), a fixing rod (6) is welded between the upper and lower ends of the inner wall of the fixing frame (5), and the upper and lower ends of the outer surface of the fixing rod (6) are sleeved with a No. 1 spring (7), and the outer surface of the fixing rod (6) near the No. 1 spring (7) is sleeved with a movable block (8), and one side of the movable block (8) extends to the outside of the fixed frame (5) and is rotatably mounted with a movable support rod (9), and the outer surface edge of the movable support rod (9) is movably mounted with a connecting seat (10), and one side of the connecting seat (10) is welded with a buffer support plate (11), and the outer surface of the movable mold (4) is also provided with a supporting mechanism for buffering the movable mold (4) near the fixed mold (2).

2. The mold clamping device for an injection molding machine according to claim 1, characterized in that: The support mechanism comprises a connecting frame (12), the connecting frame (12) is fixedly mounted at the front and rear ends of the movable mold (4), a fixing groove (13) is symmetrically opened in the middle of one side of the connecting frame (12), a No. 2 spring (14) is mounted on one side of the inner wall of the fixing groove (13), a movable rod (15) is movably mounted on one side of the No. 2 spring (14) extending to the outside of the fixing groove (13), and a connecting plate (16) is fixedly connected to one side of the movable rod (15).

3. The mold clamping device for an injection molding machine according to claim 1, characterized in that: A through hole is provided in the middle of the top end of the movable block (8); the outer diameter of the fixing rod (6) is smaller than the inner diameter of the through hole; the fixing rod (6) and the through hole are fitted into each other.

4. The mold clamping device for an injection molding machine according to claim 2, characterized in that: The buffer support plate (11) and the connecting plate (16) are aligned with each other, and one side of the buffer support plate (11) and one side of the connecting plate (16) are in contact with each other.

5. The mold clamping device for an injection molding machine according to claim 2, characterized in that: The outer diameter of the movable rod (15) is smaller than the inner diameter of the opening of the fixing groove (13), and the fixing groove (13) and the movable rod (15) are coupled to each other.

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