Secondary ejection mechanism of mold

Abstract

The secondary ejection mechanism comprises a working table, symmetrical electric telescopic rods are fixedly embedded in the inner bottom wall of the working table, the output ends of the two electric telescopic rods are jointly and fixedly connected with a push plate, symmetrical cushion blocks are fixedly connected to the upper surface of the push plate, and the cushion blocks are fixedly connected to the lower surface of the working table. Two fixing plates are fixedly connected to the upper surface of the push plate, and movable holes are formed in the side faces, close to each other, of the two fixing plates. According to the device, through mutual cooperation of an electric telescopic rod and a push plate, a connecting plate can be pushed, the connecting plate drives an ejector rod to ascend, and therefore the first-time ejection effect is achieved, normal use of the device is guaranteed, and through mutual cooperation of a fixing plate, a pin shaft, a movable hole, a limiting plate and the push rod, after the push plate reaches a certain height, the ejector rod can be pushed to move upwards; the push rod is in contact with the limiting plate, the other end of the push rod is in contact with the connecting plate through the pin shaft, the connecting plate is pushed to ascend, and therefore the second-time ejection effect is achieved.

Description

Technical Field

[0001] The utility model relates to the field of molds, in particular to a secondary ejection mechanism of a mold. Background Art

[0002] The ejection position of plastic mold products and the appropriateness of the ejection mechanism directly affect the product's appearance, molding cycle and production efficiency. The selection of the ejection mechanism should be based on the plastic parts structure of the customer's product. Generally, the ejection mechanism is a traditional one-time ejection mechanism.

[0003] The Chinese patent with announcement number CN205522345U discloses a secondary ejection mechanism of a mold, which solves the problem of complex structure and troublesome maintenance of the secondary ejection mechanism. The key points of its technical solution are that it includes an upper top plate, a lower top plate and a bottom plate stacked in sequence from top to bottom, and the ejection force is applied to the upper top plate, and the upper and lower top plates are fixed with an upward ejector rod, including a lock core slider that slides on the lower top plate, a lock hook that is fixed to the upper top plate and hooked on the lock core slider to achieve the fixation of the upper top plate and the lower top plate, and a lock key that is fixed to the bottom plate and provided with a first inclined guide surface, the lower top plate pushes up and drives the first inclined guide surface to push the lock core slider sideways to achieve the slide of the lock core slider off the lock hook; the lower top plate is provided with a driving mechanism that drives the lock core slider to slide toward the lock hook and lock it, so as to achieve the purpose of convenient maintenance. However, the secondary ejection mechanism of the above patent has a complex structural design, and has high requirements for the assembly, use and maintenance of the mold, which reduces the practicality of the device. For this reason, we propose a secondary ejection mechanism of the mold to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a secondary ejection mechanism for a mold to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A secondary ejection mechanism of a mold comprises a workbench, the inner bottom wall of the workbench is fixedly inlaid with symmetrical electric telescopic rods, the output ends of the two electric telescopic rods are commonly fixedly connected to a push plate, the upper surface of the push plate is fixedly connected to a symmetrical pad block, the upper surface of the push plate is fixedly connected to two fixed plates, the two fixed plates are each provided with movable holes on one side close to each other, the insides of the two movable holes are commonly movably connected with a pin shaft, the outer surface of the pin shaft is fixedly connected to a push rod, the inner top wall of the workbench is fixedly connected to a limiting plate, the upper surfaces of the two pad blocks are commonly placed with a connecting plate, the upper surface of the connecting plate is fixedly connected to two ejector rods, the upper surface of the workbench is provided with symmetrical through holes, the top end of each ejector rod passes through the through hole and extends to the top of the workbench.

[0007] In a further embodiment, a box door is hinged on the front of the workbench through a hinge, and a draw groove is provided on the front of the box door.

[0008] In a further embodiment, a mounting bracket is fixedly connected to the right side of the workbench, and a controller is fixedly connected to the right side of the mounting bracket.

[0009] In a further embodiment, symmetrical sealing pads are fixedly connected to the upper surface of the workbench, and the inner wall of each sealing pad is in contact with the outer surface of the ejector rod.

[0010] In a further embodiment, two symmetrical pillars are fixedly connected to the bottom surface of the workbench, and a base is fixedly connected to the bottom end of each pillar.

[0011] In a further embodiment, a wear-resistant pad is fixedly connected to the bottom surface of the limit plate, and a group of anti-slip strips arranged at equal distances are fixedly connected to the bottom surface of the wear-resistant pad.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The device can push the connecting plate through the cooperation of the electric telescopic rod and the push plate, so that the connecting plate drives the ejector rod to rise, thereby achieving the effect of the first ejection, ensuring the normal use of the device; through the cooperation of the fixed plate, the pin shaft, the movable hole, the limit plate and the push rod, after the push plate reaches a certain height, the push rod can be brought into contact with the limit plate, and the pin shaft can be used to make the other end of the push rod contact with the connecting plate, and the connecting plate can be pushed up, thereby achieving the effect of the second ejection. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of a secondary ejection mechanism of a mold;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of a side view of a secondary ejection mechanism of a mold;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of a front cross-section view of a secondary ejection mechanism of a mold;

[0017] Figure 4 It is a three-dimensional structural schematic diagram of a side section view of a secondary ejection mechanism of a mold.

[0018] In the figure: 1. workbench; 2. box door; 3. groove; 4. push rod; 5. sealing pad; 6. mounting bracket; 7. controller; 8. electric telescopic rod; 9. support; 10. base; 11. push rod; 12. movable hole; 13. pin shaft; 14. fixing plate; 15. push plate; 16. connecting plate; 17. limit plate; 18. wear-resistant pad; 19. through hole; 20. cushion block. DETAILED DESCRIPTION

[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "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 utility model 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 utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4In the utility model, a secondary ejection mechanism of a mold comprises a workbench 1, the inner bottom wall of the workbench 1 is fixedly inlaid with a symmetrical electric telescopic rod 8, which is convenient for driving a push plate 15 to work and reduce the workload of workers. The output ends of the two electric telescopic rods 8 are fixedly connected with a push plate 15, and the upper surface of the push plate 15 is fixedly connected with a symmetrical cushion block 20. The upper surface of the push plate 15 is fixedly connected with two fixed plates 14, and the two fixed plates 14 are each provided with a movable hole 12 on one side close to each other. The two movable holes 12 are commonly connected with a pin shaft 13 inside, and the outer surface of the pin shaft 13 is fixedly connected with a push rod 11. The inner top wall of the workbench 1 is fixedly connected with a limiting plate 17, which constitutes the ejection assembly of the device, which is convenient for the device to perform secondary ejection. A connecting plate 16 is commonly placed on the upper surfaces of the two cushion blocks 20, and two ejector rods 4 are fixedly connected to the upper surface of the connecting plate 16. Symmetric through holes 19 are opened on the upper surface of the workbench 1, and the top of each ejector rod 4 passes through the through hole 19 and extends to the top of the workbench 1.

[0023] A door 2 is hinged on the front of the workbench 1 through hinges, and a groove 3 is provided on the front of the door 2 to facilitate inspection and maintenance of the interior of the workbench 1. A mounting frame 6 is fixedly connected to the right side of the workbench 1, and a controller 7 is fixedly connected to the right side of the mounting frame 6 to facilitate operation of the device. Symmetrical sealing gaskets 5 are fixedly connected to the upper surface of the workbench 1, and the inner wall of each sealing gasket 5 is in contact with the outer surface of the push rod 4, thereby enhancing the sealing effect of the device.

[0024] The bottom surface of the workbench 1 is fixedly connected to two symmetrical pillars 9, and the bottom end of each pillar 9 is fixedly connected to a base 10, which provides the required supporting force for the device and improves the stability of the device. The bottom surface of the limit plate 17 is fixedly connected to a wear-resistant pad 18, and the bottom surface of the wear-resistant pad 18 is fixedly connected to a group of anti-slip strips arranged at equal distances, which reduces the wear between the limit plate 17 and the push rod 11 and extends the service life of the device.

[0025] The working principle of the utility model is:

[0026] When the device is in use, firstly, the power supply is connected, and then the electric telescopic rod 8 is operated through the controller 7, so that the electric telescopic rod 8 drives the push plate 15 to move upward, and the push plate 15 drives the connecting plate 16 to rise through the cushion block 20, so that the connecting plate 16 drives the ejector rod 4 to rise, and the effect of the first ejection can be achieved. Then, when the push plate 15 reaches a certain height, one end of the push rod 11 is contacted with the bottom surface of the limit plate 17, and the other end of the push rod 11 is contacted with the bottom surface of the connecting plate 16. Finally, the push rod 11 is driven to tilt by the hinge of the pin shaft 13 inside the movable hole 12, so that the connecting plate 16 drives the ejector rod 4 to rise, and the effect of the second ejection can be achieved.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A secondary ejection mechanism of a mold, characterized in that: The workbench (1) comprises a workbench (1), wherein the inner bottom wall of the workbench (1) is fixedly inlaid with symmetrical electric telescopic rods (8), the output ends of the two electric telescopic rods (8) are fixedly connected to a push plate (15), the upper surface of the push plate (15) is fixedly connected to a symmetrical cushion block (20), the upper surface of the push plate (15) is fixedly connected to two fixed plates (14), the side surfaces of the two fixed plates (14) close to each other are each provided with a movable hole (12), and the interiors of the two movable holes (12) are movable together. A pin shaft (13) is connected, the outer surface of the pin shaft (13) is fixedly connected to a push rod (11), the inner top wall of the workbench (1) is fixedly connected to a limit plate (17), a connecting plate (16) is placed on the upper surfaces of the two cushion blocks (20), and two push rods (4) are fixedly connected to the upper surface of the connecting plate (16), and symmetrical through holes (19) are opened on the upper surface of the workbench (1), and the top end of each push rod (4) passes through the through hole (19) and extends to the top of the workbench (1).

2. The secondary ejection mechanism of a mold according to claim 1, characterized in that: The front of the workbench (1) is hingedly connected to a box door (2) via a hinge, and a draw groove (3) is provided on the front of the box door (2).

3. The secondary ejection mechanism of a mold according to claim 1, characterized in that: The right side surface of the workbench (1) is fixedly connected to a mounting frame (6), and the right side surface of the mounting frame (6) is fixedly connected to a controller (7).

4. The secondary ejection mechanism of a mold according to claim 1, characterized in that: Symmetrical sealing pads (5) are fixedly connected to the upper surface of the workbench (1), and the inner wall of each sealing pad (5) is in contact with the outer surface of the push rod (4).

5. The secondary ejection mechanism of a mold according to claim 1, characterized in that: The bottom surface of the workbench (1) is fixedly connected to two symmetrical pillars (9), and the bottom end of each pillar (9) is fixedly connected to a base (10).

6. The secondary ejection mechanism of a mold according to claim 1, characterized in that: The bottom surface of the limit plate (17) is fixedly connected to a wear-resistant pad (18), and the bottom surface of the wear-resistant pad (18) is fixedly connected to a group of anti-slip strips arranged at equal distances.

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