Hydraulic ejection structure of plastic mold

Abstract

The utility model discloses a hydraulic ejection structure of a plastic mould in the technical field of plastic moulds, which comprises a working table, two groups of fixed moulds are symmetrically mounted at the top of the working table, a fixed frame for supporting a corresponding movable mould is arranged on the working table, a boosting plate is mounted in the fixed mould in a sliding manner, and the boosting plate is connected with the fixed mould. Ejection assemblies are connected to the bottom of the boosting plate, and a driving piece for controlling the two ejection assemblies to operate at the same time is installed in the workbench. A fixed mold is arranged on the fixed frame, a pushing assembly is installed at the rear end of the fixed frame and used for discharging finished products ejected out of the fixed mold, and a guiding assembly used for transferring the finished products is connected to the front face of the workbench. And the automation degree of plastic mold production is low, and the actual production efficiency of products is not improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic molds, in particular to a hydraulic ejection structure of a plastic mold. Background Art

[0002] Plastic mold is the abbreviation of a combined mold used for compression molding, extrusion molding, injection molding, blow molding and low-foaming molding. The coordinated changes of the mold's male and female molds and auxiliary molding systems can process a series of plastic parts of different shapes and sizes. Plastic molds are the mother of industry and are widely used in the field of automobile production.

[0003] After the existing plastic molds complete the injection molding operation of the product, the product needs to be manually removed and transferred, which makes the degree of automation in plastic mold production low and is not conducive to improving the actual production efficiency of the product. Therefore, those skilled in the art provide a hydraulic ejection structure for the plastic mold to solve the problems raised in the above background technology. Utility Model Content

[0004] The purpose of the present invention is to provide a hydraulic ejection structure for a plastic mold to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions: a hydraulic ejection structure for a plastic mold, comprising a workbench, two sets of fixed molds symmetrically mounted on the top of the workbench, a fixed frame for supporting the corresponding movable molds being provided on the workbench, a booster plate slidably mounted inside the fixed mold, an ejection assembly connected to the bottom of the booster plate, and a drive member for controlling the simultaneous operation of the two sets of ejection assemblies being installed inside the workbench;

[0006] A pushing assembly is installed at the rear end of the fixed frame, and the pushing assembly is used to eject the finished product from the fixed mold. The front of the workbench is connected to a guiding assembly for transferring the finished product.

[0007] Preferably, the ejection assembly includes a fixed slide rail fixedly mounted on the workbench, a booster rod is mounted inside the fixed slide rail for sliding up and down, the top end of the booster rod is connected to the booster plate, and the driving member controls the booster rod to slide up and down inside the fixed slide rail through a connecting member.

[0008] Preferably: the driving member includes a first mounting block welded to the workbench, the interior of the first mounting block is hinged with a first fixed block connected to the first hydraulic rod, the output end of the first hydraulic rod is hinged with a connecting block, a frame rod is welded on the connecting block, and both ends of the frame rod are connected to the ejection assembly through a connecting member.

[0009] Preferably: the connecting member includes two groups of first connecting rods rotatably mounted on the frame rod, the top ends of the two groups of first connecting rods are rotatably connected to the side of the fixed slide rail, a second connecting rod is rotatably mounted on the frame rod, and the bottom end of the booster rod is welded with a second mounting block hinged to the bottom end of the second connecting rod.

[0010] Preferably, the pushing assembly includes a second hydraulic rod fixedly mounted on the fixed frame, and an output end of the second hydraulic rod is connected to a movable plate higher than the fixed mold.

[0011] Preferably, the pushing assembly further comprises two groups of auxiliary rods welded to the back of the movable plate, and the two groups of auxiliary rods are both slidably connected to the fixed frame.

[0012] Preferably, the guide assembly comprises two sets of frame plates fixedly mounted on the front of the workbench, an inclined plate is mounted between the two sets of frame plates, a protective baffle is provided on the front of the inclined plate, and the back of the inclined plate is welded to the workbench.

[0013] Preferably, the front sides of the two groups of fixed molds are connected with slides whose top ends are flush with them, and the bottom ends of the slides are connected to the front side edges of the workbench.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. In the present invention, a first hydraulic rod is provided to drive the frame rod to move, the frame rod can drive the first connecting rod and the second connecting rod to move, the second connecting rod drives the booster rod and the booster plate to move up and down, and the booster plate can conveniently push the processed product to the outside of the fixed mold, which can facilitate automatic discharging, and a single set of first hydraulic rods controls the simultaneous operation of two sets of ejection components, which facilitates the efficient processing of double-station plastic molds.

[0016] 2. In the present invention, a second hydraulic rod is provided to drive the movable plate and the auxiliary rod to move. The movable plate can conveniently push the product on the booster plate into the guide assembly. The guide assembly can conveniently and automatically transfer the product to the conveying assembly to facilitate subsequent processing of the product and realize efficient automation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a rear view of the overall structure of the utility model;

[0019] Figure 3 It is a bottom view of the overall structure of the utility model;

[0020] Figure 4 For this utility model Figure 3 A magnified view of center.

[0021] In the figure: 1. workbench; 2. fixed mold; 3. fixed frame; 4. booster plate; 5. fixed slide rail; 6. booster rod; 7. first mounting block; 8. first hydraulic rod; 9. first fixed block; 10. connecting block; 11. rack rod; 12. first connecting rod; 13. second connecting rod; 14. second mounting block; 15. second hydraulic rod; 16. movable plate; 17. auxiliary rod; 18. rack plate; 19. inclined plate; 20. protective baffle; 21. slide plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figures 1 to 4 In an embodiment of the present invention, a hydraulic ejection structure for a plastic mold includes a workbench 1, with two groups of fixed molds 2 symmetrically installed on the top of the workbench 1. A fixed frame 3 for supporting the corresponding movable mold is provided on the workbench 1. The movable mold and its connecting driving structure can be installed on the fixed frame 3. A booster plate 4 is slidably installed inside the fixed mold 2, and an ejection assembly is connected to the bottom of the booster plate 4. A driving member for controlling the simultaneous operation of the two groups of ejection assemblies is installed inside the workbench 1, and a pushing assembly is installed at the rear end of the fixed frame 3. The pushing assembly is used to discharge the finished product ejected from the fixed mold 2, and a guide assembly for transferring the finished product is connected to the front of the workbench 1.

[0024] When the device is in use, after the processing of the product formed inside the fixed mold 2 is completed, the driving component is started, the driving component can drive the ejection component to move, the ejection component can drive the booster plate 4 to move up and down, the booster plate 4 can push the formed product to the outside of the fixed mold 2, and the pushing component is started to push the finished product to move on the top of the booster plate 4. The finished product falling from the top of the booster plate 4 can slide to the corresponding conveying component through the guide component. A corresponding finished product conveying device can be placed on the side of the device to facilitate the next processing of the product.

[0025] In one embodiment, specifically, the ejection assembly includes a fixed slide rail 5 fixedly mounted on the workbench 1, a booster rod 6 is installed inside the fixed slide rail 5 for sliding up and down, the top of the booster rod 6 is connected to the booster plate 4, and the driving member controls the booster rod 6 to slide up and down inside the fixed slide rail 5 through a connecting member. Accordingly, the driving member includes a first mounting block 7 welded to the workbench 1, a first fixed block 9 connected to a first hydraulic rod 8 is hinged to the inside of the first mounting block 7, the output end of the first hydraulic rod 8 is hinged to a connecting block 10, a frame rod 11 is welded to the connecting block 10, and both ends of the frame rod 11 are connected to the ejection assembly through connecting members.

[0026] The connecting member includes two sets of first connecting rods 12 rotatably mounted on the frame rod 11. The top ends of the two sets of first connecting rods 12 are rotatably connected to the side of the fixed slide rail 5. A second connecting rod 13 is rotatably mounted on the frame rod 11. The bottom end of the booster rod 6 is welded with a second mounting block 14 hinged to the bottom end of the second connecting rod 13.

[0027] Start the first hydraulic rod 8, which can drive the connecting block 10 to move. The connecting block 10 drives the first connecting rod 12 and the second connecting rod 13 to move through the frame rod 11. The first mounting block 7 and the first fixed block 9 can provide a rotation support point for the first hydraulic rod 8. The second connecting rod 13 can drive the second mounting block 14 and the booster rod 6 to move up and down. The first connecting rod 12 can improve the stability of the overall operation of the ejection assembly.

[0028] In one embodiment, specifically, the pushing assembly includes a second hydraulic rod 15 fixedly mounted on the fixed frame 3, and the output end of the second hydraulic rod 15 is connected to a movable plate 16 higher than the fixed mold 2. Furthermore, the pushing assembly also includes two groups of auxiliary rods 17 welded to the back of the movable plate 16. Both groups of auxiliary rods 17 are slidingly connected to the fixed frame 3. When the second hydraulic rod 15 is started, the second hydraulic rod 15 can drive the movable plate 16 to move, and the movable plate 16 can push the product displacement on the top of the booster plate 4. At the same time, the movable plate 16 drives the auxiliary rod 17 to slide inside the fixed frame 3, and the auxiliary rod 17 can provide auxiliary support for the movable plate 16.

[0029] In one embodiment, specifically, the guide assembly includes two groups of shelves 18 fixedly mounted on the front of the workbench 1, an inclined plate 19 is installed between the two groups of shelves 18, a protective baffle 20 is provided on the front of the inclined plate 19, and the back of the inclined plate 19 is welded to the workbench 1. The products pushed onto the inclined plate 19 can slide onto the conveying assembly or collection frame placed on the side of the device, etc., wherein the front of the two groups of fixed molds 2 are connected to a slide plate 21 with the top flush with them, and the bottom end of the slide plate 21 is connected to the front side of the workbench 1, and the slide plate 21 provides a sliding platform for the movement of the product.

[0030] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A hydraulic ejection structure for a plastic mold, comprising a workbench (1), two sets of fixed molds (2) being symmetrically mounted on the top of the workbench (1), and a fixed frame (3) for supporting the corresponding movable molds being provided on the workbench (1), characterized in that: A booster plate (4) is slidably mounted inside the fixed mold (2), and an ejection assembly is connected to the bottom of the booster plate (4). A driving member for controlling the simultaneous operation of two sets of ejection assemblies is mounted inside the workbench (1); A pushing assembly is installed at the rear end of the fixed frame (3), and the pushing assembly is used to eject the finished product from the fixed mold (2). The front of the workbench (1) is connected to a guide assembly for transferring the finished product.

2. The hydraulic ejection structure of a plastic mold according to claim 1, characterized in that: The ejection assembly comprises a fixed slide rail (5) fixedly mounted on a workbench (1); a booster rod (6) is mounted inside the fixed slide rail (5) for sliding up and down; the top end of the booster rod (6) is connected to the booster plate (4); and the driving member controls the booster rod (6) to slide up and down inside the fixed slide rail (5) through a connecting member.

3. The hydraulic ejection structure of a plastic mold according to claim 2, characterized in that: The driving member comprises a first mounting block (7) welded to the workbench (1); a first fixing block (9) connected to a first hydraulic rod (8) is hingedly connected inside the first mounting block (7); an output end of the first hydraulic rod (8) is hingedly connected to a connecting block (10); a frame rod (11) is welded to the connecting block (10); and both ends of the frame rod (11) are connected to the ejection assembly through a connecting member.

4. The hydraulic ejection structure of a plastic mold according to claim 3, characterized in that: The connecting member comprises two groups of first connecting rods (12) rotatably mounted on the frame rod (11), the top ends of the two groups of first connecting rods (12) are rotatably connected to the side of the fixed slide rail (5), a second connecting rod (13) is rotatably mounted on the frame rod (11), and a second mounting block (14) hinged to the bottom end of the second connecting rod (13) is welded to the bottom end of the booster rod (6).

5. The hydraulic ejection structure of a plastic mold according to claim 1, characterized in that: The pushing assembly comprises a second hydraulic rod (15) fixedly mounted on the fixed frame (3), and an output end of the second hydraulic rod (15) is connected to a movable plate (16) higher than the fixed mold (2).

6. The hydraulic ejection structure of a plastic mold according to claim 5, characterized in that: The pushing assembly further comprises two groups of auxiliary rods (17) welded to the back of the movable plate (16), and both groups of auxiliary rods (17) are slidably connected to the fixed frame (3).

7. The hydraulic ejection structure of a plastic mold according to claim 1, characterized in that: The guide assembly comprises two groups of frame plates (18) fixedly mounted on the front of the workbench (1), an inclined plate (19) being mounted between the two groups of frame plates (18), a protective baffle (20) being provided on the front of the inclined plate (19), and the back of the inclined plate (19) being welded to the workbench (1).

8. The hydraulic ejection structure of a plastic mold according to claim 7, characterized in that: The front sides of the two groups of fixed molds (2) are connected with slides (21) whose top ends are flush with the fixed molds, and the bottom ends of the slides (21) are connected to the front side edges of the workbench (1).

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