Plastic mold demolding device with protection mechanism

Abstract

The utility model relates to the technical field of plastic molds, and discloses a plastic mold demolding device with a protection mechanism, which comprises a bottom plate, the upper end face of the bottom plate is provided with a top plate I, the upper end face of the top plate I is provided with a top plate II, and the upper end face of the top plate II is fixedly provided with an electric push rod I; a mounting ring plate is arranged at the lower end of the second top plate. By arranging the first electric push rod, the mounting ring plate and the protective shell, the first electric push rod can be started to drive the mounting ring plate and the protective shell to move downwards through the through groove, the protective shell can be arranged on the outer sides of the upper mold and the lower mold in a sleeving mode, and therefore the protective effect can be achieved during demolding; by arranging the rotating rod, the screw rod, the moving block, the ejection plate and the rotating disc, the rotating rod can be driven to rotate, the rotating rod drives the screw rod to rotate through the first bevel gear and the second bevel gear, the moving block can drive the ejection plate to move upwards through the connecting rod, the ejection plate can eject plastic out, and therefore demolding is completed.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic molds, in particular to a plastic mold demoulding device with a protection mechanism. 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 convex and concave molds and the auxiliary molding system can process a series of plastic parts of different shapes and sizes.

[0003] Some plastic mold demoulding devices currently on the market are prone to excessive demoulding force when demoulding the plastic, which can cause the plastic to burst out, thus posing certain safety hazards. Utility Model Content

[0004] 1. Technical issues to be solved

[0005] In view of the deficiencies in the prior art, the utility model provides a plastic mold demolding device with a protective mechanism. By setting an electric push rod, an installation ring plate, and a protective shell, the protective shell can be sleeved on the outside of the upper mold and the lower mold, thereby preventing the plastic from bursting out during demolding, and can protect personnel, thereby solving the above-mentioned technical problems.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic mold demoulding device with a protective mechanism, comprising a bottom plate, a top plate 1 is arranged on the upper end surface of the bottom plate, a top plate 2 is arranged on the upper end surface of the top plate 1, an electric push rod 1 is fixedly arranged on the upper end surface of the top plate 2, a mounting ring plate is arranged on the lower end of the top plate 2, the output end of the electric push rod 1 is fixedly arranged on the upper end surface of the mounting ring plate, a protective shell is fixedly arranged on the lower end surface of the mounting ring plate, a through groove is opened on the upper end surface of the top plate 1, a top plate 3 is arranged inside the through groove, an electric push rod 2 is fixedly arranged on the upper end surface of the top plate 3, an upper mold is arranged on the lower end of the top plate 1, and the output end of the electric push rod 2 is fixedly arranged on the upper end surface of the top plate 1. The end is fixedly connected with the upper end surface of the upper mold, the upper end surface of the bottom plate is fixedly provided with a lower mold, the bottom of the lower mold is provided with a receiving groove, the interior of the receiving groove is provided with an ejection plate, the interior of the bottom plate is provided with a mounting cavity, the interior of the mounting cavity is provided with a rotating rod, the rear side of the rotating rod is fixedly provided with a bevel gear 1, the rear side of the bevel gear 1 is meshingly connected with a bevel gear 2, the interior of the bevel gear 2 is fixedly provided with a screw, the upper and lower ends of the screw are respectively installed on the upper and lower sides of the interior of the mounting cavity, the outer side of the screw is threadedly connected with a moving block, the front and rear sides of the moving block are fixedly provided with connecting rods, and the other end of the connecting rod is fixedly provided on the lower end surface of the ejection plate.

[0008] Preferably, support rod 1 is fixedly provided at the four corners of the upper end surface of the bottom plate, and the other end of support rod 1 is fixedly provided on the lower end surface of top plate 1; support rod 2 is fixedly provided at the four corners of the upper end surface of top plate 1, and the other end of support rod 2 is fixedly provided on the lower end surface of top plate 2; support rod 3 is fixedly provided at the four corners of the lower end surface of top plate 3, and the other end of support rod 3 is fixedly provided on the upper end surface of the bottom plate.

[0009] Through the above technical solution, the arrangement of support rod one, support rod two and support rod three can play a supporting role.

[0010] Preferably, four electric push rods are provided, and the four electric push rods are respectively located at the four corners of the upper end of the top plate 2.

[0011] Through the above technical solution, the setting of the electric push rod 1 can play a role in lifting and lowering the mounting ring plate and the protective shell.

[0012] Preferably, an injection port is provided on the left side of the upper end surface of the upper mold.

[0013] Through the above technical solution, the opening of the injection port facilitates the injection of plastic.

[0014] Preferably, limit plates are fixedly provided on both left and right sides of the upper mold, a limit rod is provided inside the limit plate, the lower end of the limit rod is fixedly provided on the upper end surface of the bottom plate, and the other end of the limit rod is fixedly provided on the lower end surface of the top plate.

[0015] Through the above technical solution, the setting of the limiting plate and the limiting rod can play a limiting role on the upper mold.

[0016] Preferably, a rotating disk is provided on the front side of the bottom plate, and the front end of the rotating rod is fixedly provided on the back side of the rotating disk.

[0017] Through the above technical solution, the setting of the rotating disk makes it convenient for people to rotate the rotating rod.

[0018] Preferably, support legs are fixedly provided at the four corners of the lower end surface of the base plate.

[0019] Through the above technical solution, the arrangement of the supporting legs can play a supporting role for the device.

[0020] Compared with the prior art, the utility model provides a plastic mold demoulding device with a protective mechanism, which has the following beneficial effects:

[0021] 1. The utility model is provided with an electric push rod 1, a mounting ring plate, and a protective shell. When a person starts the electric push rod 1, the electric push rod 1 can drive the mounting ring plate and the protective shell to move downward through the through slot, so that the protective shell can be sleeved on the outer sides of the upper mold and the lower mold, thereby playing a protective role during demoulding;

[0022] 2. The utility model is provided with a rotating rod, a screw rod, a moving block and an ejector plate. A person rotates the rotating disk to drive the rotating rod to rotate. The rotating rod drives the screw rod to rotate through bevel gear 1 and bevel gear 2. The moving block can drive the ejector plate to move upward through the connecting rod. The ejector plate can eject the plastic to complete demoulding. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the protective shell of the utility model;

[0025] Figure 3 It is a schematic diagram of the three-dimensional structure of the upper mold and the lower mold of the utility model;

[0026] Figure 4 It is a schematic diagram of the left side cross-sectional structure of the bottom plate of the utility model.

[0027] Among them: 1. bottom plate; 2. support rod 1; 3. top plate 1; 4. support rod 2; 5. top plate 2; 6. electric push rod 1; 7. mounting ring plate; 8. protective shell; 9. through groove; 10. support rod 3; 11. top plate 3; 12. electric push rod 2; 13. upper mold; 14. lower mold; 15. injection port; 16. limit plate; 17. limit rod; 18. mounting cavity; 19. rotating rod; 20. bevel gear 1; 21. bevel gear 2; 22. screw; 23. moving block; 24. connecting rod; 25. storage slot; 26. ejector plate; 27. rotating disk; 28. support leg. DETAILED DESCRIPTION

[0028] 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.

[0029] Embodiment 1:

[0030] like Figure 1-4As shown, the utility model provides a plastic mold demoulding device with a protective mechanism, comprising a bottom plate 1, a top plate 1 3 is arranged on the upper end surface of the bottom plate 1, a top plate 2 5 is arranged on the upper end surface of the top plate 1 3, an electric push rod 1 6 is fixedly arranged on the upper end surface of the top plate 2 5, a mounting ring plate 7 is arranged on the lower end of the top plate 2 5, an output end of the electric push rod 1 6 is fixedly arranged on the upper end surface of the mounting ring plate 7, a protective shell 8 is fixedly arranged on the lower end surface of the mounting ring plate 7, a through groove 9 is opened on the upper end surface of the top plate 1 3, a top plate 3 11 is arranged inside the through groove 9, an electric push rod 2 12 is fixedly arranged on the upper end surface of the top plate 3 11, an upper mold 13 is arranged on the lower end of the top plate 1 3, and the output end of the electric push rod 2 12 is fixedly connected to the upper end surface of the upper mold 13, A lower mold 14 is fixedly provided on the upper end surface of the base plate 1, a receiving groove 25 is provided at the bottom inside the lower mold 14, an ejection plate 26 is provided inside the receiving groove 25, a mounting cavity 18 is provided inside the base plate 1, a rotating rod 19 is installed inside the mounting cavity 18, a bevel gear 20 is fixedly provided on the rear side of the rotating rod 19, a bevel gear 21 is meshedly connected with the rear side of the bevel gear 20, a screw rod 22 is fixedly provided inside the bevel gear 21, the upper and lower ends of the screw rod 22 are respectively installed on the upper and lower sides inside the mounting cavity 18, a moving block 23 is threadedly connected to the outer side of the screw rod 22, connecting rods 24 are fixedly provided on the front and rear sides of the moving block 23, and the other end of the connecting rod 24 is fixedly provided on the lower end surface of the ejection plate 26.

[0031] Specifically, support rods 1 2 are fixedly arranged at the four corners of the upper end surface of the bottom plate 1, and the other end of support rods 1 2 is fixedly arranged at the lower end surface of the top plate 1 3, support rods 2 4 are fixedly arranged at the four corners of the upper end surface of the top plate 1 3, and the other end of support rods 2 4 is fixedly arranged at the lower end surface of the top plate 2 5, and support rods 3 10 are fixedly arranged at the four corners of the lower end surface of the top plate 3 11, and the other end of support rods 3 10 is fixedly arranged at the upper end surface of the bottom plate 1. The advantage is that the arrangement of support rods 1 2, support rods 2 4, and support rods 3 10 can respectively play a supporting role on the top plate 1 3, the top plate 2 5, and the top plate 3 11.

[0032] Specifically, there are four electric push rods 6, which are respectively located at the four corners of the upper end of the top plate 2 5. The advantage is that the arrangement of the four electric push rods 6 can play a role in smoothly lifting and lowering the mounting ring plate 7 and the protective shell 8.

[0033] Specifically, an injection port 15 is provided on the left side of the upper end surface of the upper mold 13. Advantageously, the opening of the injection port 15 facilitates the injection of plastic.

[0034] Specifically, the limit plates 16 are fixedly arranged on both the left and right sides of the upper mold 13, and the limit rods 17 are arranged inside the limit plates 16. The lower end of the limit rods 17 is fixedly arranged on the upper end surface of the bottom plate 1, and the other end of the limit rods 17 is fixedly arranged on the lower end surface of the top plate 3. The advantage is that the setting of the limit plates 16 and the limit rods 17 can play a role in limiting the upper mold 13, thereby ensuring the accuracy of the upper mold 13 and the lower mold 14.

[0035] Specifically, a rotating disk 27 is provided on the front of the bottom plate 1, and the front end of the rotating rod 19 is fixedly arranged on the back of the rotating disk 27. The advantage is that when a person rotates the rotating disk 27, the rotating disk 27 can drive the rotating rod 19 to rotate.

[0036] Embodiment 2:

[0037] like Figure 1 As shown, as an improvement to the previous embodiment, specifically, support legs 28 are fixedly arranged at the four corners of the lower end surface of the bottom plate 1. The advantage is that the arrangement of the support legs 28 can play a supporting role for the device.

[0038] When in use, the personnel starts the electric push rod 2 12, which can drive the upper mold 13 to move downward, so that the upper mold 13 can be molded with the lower mold 14, and the personnel can perform injection molding through the injection port 15. After the injection molding is completed, the personnel starts the electric push rod 1 6, and the output end of the electric push rod 1 6 can drive the mounting ring plate 7 and the protective shell 8 to move downward through the through groove 9, so that the protective shell 8 can be sleeved on the outer side of the upper mold 13 and the lower mold 14, so as to play a protective role. Then the personnel starts the electric push rod 2 12 to separate the upper mold 13 from the lower mold 14, and rotate the rotating disk 27. The rotating disk 27 can drive the rotating rod 19 to rotate, and the rotating rod 19 can drive the screw 22 to rotate through the meshing of the bevel gear 1 20 and the bevel gear 2 21. The moving block 23 is affected by the thread of the screw 22, so that it can drive the ejector plate 26 to move upward through the connecting rod 24, and the ejector plate 26 can eject the plastic in the lower mold 14 upward for demolding.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic mold demoulding device with a protective mechanism, comprising a bottom plate (1), characterized in that: The upper end surface of the bottom plate (1) is provided with a top plate 1 (3), the upper end surface of the top plate 1 (3) is provided with a top plate 2 (5), the upper end surface of the top plate 2 (5) is fixedly provided with an electric push rod 1 (6), the lower end of the top plate 2 (5) is provided with a mounting ring plate (7), the output end of the electric push rod 1 (6) is fixedly provided on the upper end surface of the mounting ring plate (7), the lower end surface of the mounting ring plate (7) is fixedly provided with a protective shell (8), the upper end surface of the top plate 1 (3) is provided with a through groove (9), the interior of the through groove (9) is provided with a top plate 3 (11), the upper end surface of the top plate 3 (11) is fixedly provided with an electric push rod 2 (12), the lower end of the top plate 1 (3) is provided with an upper mold (13), the output end of the electric push rod 2 (12) is fixedly connected to the upper end surface of the upper mold (13), the upper end surface of the bottom plate (1) is fixedly provided with a lower mold (14) ), a receiving groove (25) is provided at the bottom of the lower mold (14), an ejection plate (26) is provided inside the receiving groove (25), a mounting cavity (18) is provided inside the bottom plate (1), a rotating rod (19) is installed inside the mounting cavity (18), a bevel gear 1 (20) is fixedly provided on the rear side of the rotating rod (19), a bevel gear 2 (21) is meshedly connected to the rear side of the bevel gear 1 (20), a screw rod (22) is fixedly provided inside the bevel gear 2 (21), the upper and lower ends of the screw rod (22) are respectively installed on the upper and lower sides of the mounting cavity (18), the outer side of the screw rod (22) is threadedly connected to a moving block (23), the front and rear sides of the moving block (23) are fixedly provided with connecting rods (24), and the other end of the connecting rod (24) is fixedly provided on the lower end surface of the ejection plate (26).

2. A plastic mold demoulding device with a protective mechanism according to claim 1, characterized in that: Support rods 1 (2) are fixedly arranged at the four corners of the upper end surface of the bottom plate (1), and the other end of the support rod 1 (2) is fixedly arranged on the lower end surface of the top plate 1 (3); support rods 2 (4) are fixedly arranged at the four corners of the upper end surface of the top plate 1 (3), and the other end of the support rods 2 (4) is fixedly arranged on the lower end surface of the top plate 2 (5); support rods 3 (10) are fixedly arranged at the four corners of the lower end surface of the top plate 3 (11), and the other end of the support rods 3 (10) is fixedly arranged on the upper end surface of the bottom plate (1).

3. The plastic mold demoulding device with a protective mechanism according to claim 1, characterized in that: There are four electric push rods (6), and the four electric push rods (6) are respectively located at the four corners of the upper end of the top plate (5).

4. The plastic mold demoulding device with a protective mechanism according to claim 1, characterized in that: An injection port (15) is provided on the left side of the upper end surface of the upper mold (13).

5. The plastic mold demoulding device with a protective mechanism according to claim 1, characterized in that: A limiting plate (16) is fixedly arranged on both the left and right sides of the upper mold (13), a limiting rod (17) is arranged inside the limiting plate (16), the lower end of the limiting rod (17) is fixedly arranged on the upper end surface of the bottom plate (1), and the other end of the limiting rod (17) is fixedly arranged on the lower end surface of the top plate (3).

6. The plastic mold demoulding device with a protective mechanism according to claim 1, characterized in that: A rotating disk (27) is arranged on the front side of the bottom plate (1), and the front end of the rotating rod (19) is fixedly arranged on the back side of the rotating disk (27).

7. The plastic mold demoulding device with a protective mechanism according to claim 1, characterized in that: Support legs (28) are fixedly arranged at the four corners of the lower end surface of the bottom plate (1).

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