Demolding device for plastic rubber injection molding

Abstract

The utility model relates to the technical field of plastic rubber production, and discloses a demolding device for plastic rubber injection molding, which comprises a base, the top end of the base is fixedly connected with a placement frame, the top end of the base is fixedly connected with a lower mold, and an electric push rod is mounted at the top end in the placement frame. The bottom end of the electric push rod is fixedly connected with an upper die, the left side of the upper die is fixedly connected with a lower pressing rod, the interior of the lower die is slidably connected with a special-shaped block, the interior of the lower die is slidably connected with a lifting block, the top end of the lifting block is fixedly connected with a jacking piece, and the right side of the special-shaped block is fixedly connected with a long rod. The right side of the long rod is fixedly connected with a limiting piece. According to the utility model, the special-shaped block is extruded and loosened by the lower pressing rod, so that the jacking piece is driven to lift and push out a plastic rubber finished product in the lower die, an additional driving source is avoided, the system is simplified, the difficulty of design and maintenance is reduced, and the overall cost is also reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic rubber production, especially to a demolding device for plastic rubber injection molding. BACKGROUND

[0002] A demolding device for plastic rubber injection molding is an important device for plastic rubber production. In the injection molding of plastic and rubber, the demolding device is a key component, and its main function is to smoothly take out the formed product from the mold.

[0003] In the existing design, part of the demolding device for plastic rubber injection molding needs to use an additional driving source to drive the demolding device when demolding the plastic rubber in the mold. The additional driving source makes the entire injection molding machine system more complex, increases the difficulty of design and maintenance, and also increases the overall cost. Therefore, a demolding device for plastic rubber injection molding is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a demolding device for plastic rubber injection molding, aiming at improving the problem that part of the demolding device for plastic rubber injection molding in the prior art needs to use an additional driving source to drive the demolding device, making the entire injection molding machine system more complex, increasing the difficulty of design and maintenance, and also increasing the overall cost.

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

[0006] A demolding device for plastic rubber injection molding, comprising a base, the top end of the base is fixedly connected with a mounting frame, the top end of the base is fixedly connected with a lower mold, the inside top end of the mounting frame is installed with an electric push rod, the bottom end of the electric push rod is fixedly connected with an upper mold, the left side of the upper mold is fixedly connected with a pressing rod, the inside of the lower mold is slidably connected with a special-shaped block, the inside of the lower mold is slidably connected with a lifting block, the top end of the lifting block is fixedly connected with a lifting piece, the right side of the special-shaped block is fixedly connected with a long rod, the right side of the long rod is fixedly connected with a limiting piece, the outside of the long rod is sleeved with a spring, the top end of the base is fixedly connected with a discharging assembly for discharging plastic rubber;

[0007] As a further description of the above technical scheme:

[0008] The discharging assembly comprises a mounting seat and a motor, the bottom end of the mounting seat is fixedly connected to the top end of the base, the motor is installed at the rear end of the mounting seat, the front side of the motor is fixedly connected with a driving device, the top end of the base is fixedly connected with a limiting seat, the inside of the limiting seat is slidably connected with a discharging rod, the front side of the discharging rod is fixedly connected with a discharging plate;

[0009] As a further description of the above technical solutions:

[0010] The outer side of the blanking rod is rotationally connected with two rotating wheels, and the outer side of the driver is rotationally connected in the inner part of the mounting seat.

[0011] As a further description of the above technical solutions:

[0012] The top end of the lower mold is fixedly connected with two limiting rods, and the outer sides of the two limiting rods are slidingly connected in the inner part of the upper mold.

[0013] As a further description of the above technical solutions:

[0014] The bottom end of the lifting block is in contact with the outer side of the special-shaped block, and the outer side of the jacking piece is slidingly connected in the inner part of the lower mold.

[0015] As a further description of the above technical solutions:

[0016] The outer side of the long rod is slidingly connected in the inner part of the lower mold, and the left side of the limiting piece is in contact with the right side of the lower mold.

[0017] As a further description of the above technical solutions:

[0018] The spring is arranged in the inner part of the lower mold, and the left side of the spring is fixedly connected with the right side of the special-shaped block.

[0019] As a further description of the above technical solutions:

[0020] The jacking piece is in the shape of a round piece, and the lifting block is in the shape of a right-angle trapezoid.

[0021] The utility model has the advantages of the following beneficial effects:

[0022] 1、The utility model discloses a special-shaped block is extruded and relaxed to the lower pressure rod, and the jacking piece is driven to lift, and the plastic rubber finished product in the lower mold is pushed out, avoids using the additional driving source, simplifies the system, reduces the difficulty of design and maintenance, also reduces the overall cost.

[0023] 2、The utility model discloses a blanking rod drives a blanking plate, and the blanking plate carries out blanking to the formed plastic rubber that pushes out the lower mold, avoids that the worker manually carries out blanking, reduces the labor intensity of the worker, and also improves the processing efficiency. DRAWINGS

[0024] Figure 1 A three-dimensional schematic view of a demolding device for plastic rubber injection molding is provided.

[0025] Figure 2The utility model provides a kind of structure schematic diagram of setting rack of demoulding device for plastic rubber injection molding;

[0026] Figure 3 The utility model provides a kind of structure schematic diagram of special-shaped block of demoulding device for plastic rubber injection molding;

[0027] Figure 4 For Figure 2 The enlarged view of A in the middle.

[0028] Legend:

[0029] 1, base;2, setting rack;3, lower mould;4, electric push rod;5, upper mould;6, lower pressing rod;7, special-shaped block;8, lifting block;9, jacking piece;10, long rod;11, limit piece;12, spring;13, limit rod;14, mounting seat;15, motor;16, driver;17, limit seat;18, blanking rod;19, blanking plate;20, rotating wheel. Specific implementation

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0031] Referring Figures 1 to 3 , the utility model provides an embodiment: a kind of demoulding device for plastic rubber injection molding, including base 1, the design of base 1 is to facilitate installation other structures, the top of base 1 is fixedly connected with setting rack 2, the design of setting rack 2 is to facilitate installation electric push rod 4, the top of base 1 is fixedly connected with lower mould 3.

[0032] The inside top of setting rack 2 is installed with electric push rod 4, the design of electric push rod 4 is to lift upper mould 5, the bottom of electric push rod 4 is fixedly connected with upper mould 5, the left side of upper mould 5 is fixedly connected with lower pressing rod 6, the design of lower pressing rod 6 is to facilitate extrusion special-shaped block 7, lower mould 3 is slidably connected with special-shaped block 7, the design of special-shaped block 7 is to drive lifting block 8.

[0033] Lower mould 3 is slidably connected with lifting block 8, the design of lifting block 8 is to drive jacking piece 9 under the drive of special-shaped block 7, the top of lifting block 8 is fixedly connected with jacking piece 9, the design of jacking piece 9 is to facilitate plastic rubber to push out lower mould 3, the right side of special-shaped block 7 is fixedly connected with long rod 10, the design of long rod 10 is to facilitate installation spring 12.

[0034] The right side of the long rod 10 is fixedly connected with a limiting sheet 11, which is designed to limit the long rod 10. The outer side of the long rod 10 is sleeved with a spring 12, which is designed to push the special-shaped block 7. The top end of the base 1 is fixedly connected with a blanking assembly for blanking plastic rubber. The top end of the lower mold 3 is fixedly connected with two limiting rods 13, which are designed to limit the upper mold 5.

[0035] The outer side of the two limiting rods 13 is slidably connected in the inner side of the upper mold 5. The bottom end of the lifting block 8 is in contact with the outer side of the special-shaped block 7. The lifting block 8 is designed to drive the jacking sheet 9 under the driving of the special-shaped block 7. The outer side of the jacking sheet 9 is slidably connected in the inner side of the lower mold 3. The jacking sheet 9 is designed to facilitate the pushing of plastic rubber out of the lower mold 3.

[0036] The outer side of the long rod 10 is slidably connected in the inner side of the lower mold 3. The long rod 10 is designed to facilitate the installation of the spring 12. The left side of the limiting sheet 11 is in contact with the right side of the lower mold 3. The limiting sheet 11 is designed to limit the long rod 10. The spring 12 is arranged in the inner side of the lower mold 3. The left side of the spring 12 is fixedly connected with the right side of the special-shaped block 7. The spring 12 is designed to push the special-shaped block 7. The jacking sheet 9 is in the shape of a round sheet. The jacking sheet 9 is designed to facilitate the pushing of plastic rubber out of the lower mold 3. The lifting block 8 is in the shape of a right-angle trapezoid. The lifting block 8 is designed to drive the jacking sheet 9 under the driving of the special-shaped block 7.

[0037] As shown in Figure 2 and Figure 4 , the blanking assembly comprises a mounting seat 14 and a motor 15. The bottom end of the mounting seat 14 is fixedly connected with the top end of the base 1. The mounting seat 14 is designed to facilitate the installation of the driver 16 and the motor 15. The motor 15 is installed at the rear end of the mounting seat 14. The motor 15 is designed to drive the driver 16. The front side of the motor 15 is fixedly connected with the driver 16. The driver 16 is designed to be driven by the motor 15 to drive the blanking rod 18.

[0038] The top end of the base 1 is fixedly connected with a limiting seat 17, which is designed to limit the blanking rod 18. The inner side of the limiting seat 17 is slidably connected with the blanking rod 18. The blanking rod 18 is designed to be driven by the driver 16 to drive the blanking plate 19 to blank plastic rubber.

[0039] The front side of the blanking rod 18 is fixedly connected with the blanking plate 19. The outer side of the blanking rod 18 is rotatably connected with two rotating wheels 20, which are designed to facilitate the driver 16 to better drive the blanking rod 18. The outer side of the driver 16 is rotatably connected in the inner side of the mounting seat 14. The driver 16 is designed to be driven by the motor 15 to drive the blanking rod 18.

[0040] Working principle: when the plastic rubber product is needed, the electric push rod 4 drives the upper die 5 to descend and combine with the lower die 3, when the upper die 5 and the lower die 3 combine, the lower pressing rod 6 will extrude the special-shaped block 7 into the inside of the lower die 3, the special-shaped block 7 will no longer extrude the lifting block 8 in this process, and the lifting block 8 will also drive the jacking piece 9 to fall down, at this time, the injection of plastic rubber between the upper die 5 and the lower die 3 can be carried out, when the plastic rubber is formed, the electric push rod 4 drives the upper die 5 to separate from the lower die 3, in this process, the lower pressing rod 6 will not extrude the special-shaped block 7, the spring 12 will push the special-shaped block 7 to reset, and in this process, the special-shaped block 7 will extrude the lifting block 8 again, so as to lift the jacking piece 9 to push the plastic rubber in the lower die 3 out of the lower die 3, by extruding and relaxing the special-shaped block 7 by the lower pressing rod 6, the jacking piece 9 is driven to rise and fall in this process, and the plastic rubber product in the lower die 3 is pushed out, which avoids using an additional driving source, simplifies the system, reduces the difficulty of design and maintenance, and also reduces the overall cost.

[0041] When the formed plastic rubber is pushed out of the lower die 3, the motor 15 is started, and the motor 15 drives the driver 16 to rotate, the driver 16 drives the discharging rod 18 to reciprocate in this process when rotating, and the rotating wheel 20 makes the process more stable, the discharging rod 18 drives the discharging plate 19 to discharge the formed plastic rubber pushed out of the lower die 3, by driving the discharging plate 19 by the discharging rod 18, the discharging plate 19 discharges the formed plastic rubber pushed out of the lower die 3, which avoids manual discharging by workers, reduces the labor intensity of workers, and also improves the processing efficiency.

[0042] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A demolding device for plastic rubber injection molding, comprising a base (1), characterized in that: The top end of the base (1) is fixedly connected with a placing frame (2), the top end of the base (1) is fixedly connected with a lower mold (3), the inner top end of the placing frame (2) is installed with an electric push rod (4), the bottom end of the electric push rod (4) is fixedly connected with an upper mold (5), the left side of the upper mold (5) is fixedly connected with a pressing rod (6), the inner side of the lower mold (3) is slidably connected with a special-shaped block (7), the inner side of the lower mold (3) is slidably connected with a lifting block (8), the top end of the lifting block (8) is fixedly connected with a lifting piece (9), the right side of the special-shaped block (7) is fixedly connected with a long rod (10), the right side of the long rod (10) is fixedly connected with a limiting piece (11), the outer side of the long rod (10) is sleeved with a spring (12), and the top end of the base (1) is fixedly connected with a discharging assembly for discharging plastic rubber.

2. The demolding device for plastic rubber injection molding according to claim 1, characterized in that: The discharging assembly comprises a mounting seat (14) and a motor (15), the bottom end of the mounting seat (14) is fixedly connected to the top end of the base (1), the motor (15) is installed at the rear end of the mounting seat (14), the front side of the motor (15) is fixedly connected with a driving device (16), the top end of the base (1) is fixedly connected with a limiting seat (17), the inner side of the limiting seat (17) is slidably connected with a discharging rod (18), and the front side of the discharging rod (18) is fixedly connected with a discharging plate (19).

3. The demolding device for plastic rubber injection molding according to claim 2, characterized in that: The outer side of the discharging rod (18) is rotatably connected with two rotating wheels (20), and the outer side of the driving device (16) is rotatably connected in the inner side of the mounting seat (14).

4. The demolding device for plastic rubber injection molding according to claim 2, characterized in that: The top end of the lower mold (3) is fixedly connected with two limiting rods (13), and the outer sides of the two limiting rods (13) are slidably connected in the inner side of the upper mold (5).

5. The demolding device for plastic rubber injection molding according to claim 1, characterized in that: The bottom end of the lifting block (8) is in contact with the outer side of the special-shaped block (7), and the outer side of the lifting piece (9) is slidably connected in the inner side of the lower mold (3).

6. The demolding device for plastic rubber injection molding according to claim 1, characterized in that: The outer side of the long rod (10) is slidably connected in the inner side of the lower mold (3), and the left side of the limiting piece (11) is in contact with the right side of the lower mold (3).

7. The demolding device for plastic rubber injection molding according to claim 1, characterized in that: The spring (12) is arranged in the inner side of the lower mold (3), and the left side of the spring (12) is fixedly connected to the right side of the special-shaped block (7).

8. The demolding device for plastic rubber injection molding according to claim 1, characterized in that: The lifting piece (9) is in the shape of a circular sheet, and the lifting block (8) is in the shape of a right-angle trapezoid.

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