Mold opening device

By designing the limiting block and lifting block of the mold opening device, the problem of mold separation difficulty is solved, enabling quick and convenient mold opening, reducing mold damage, and improving production efficiency.

CN223720000UActive Publication Date: 2025-12-26DONGGUAN ZHENYING MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202423149298.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-12-26
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

After plastic is thermoformed, the upper and lower molds are easily stuck together by the plastic, requiring considerable force from the operator to pry them apart, which can easily damage the mold.

Method used

The mold opening device includes a base, mounting plate, limit seat and opening module. By using the cooperation of drive components and lifting components, and through the insertion and lifting action of limit blocks and lifting blocks, the mold can be quickly separated.

Benefits of technology

It enables quick and convenient mold opening, reduces damage to the mold, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223720000U_ABST
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Abstract

The utility model relates to the technical field of plastic production equipment, in particular to a mold opening device which comprises a base, a mounting plate arranged on the base, a first limiting seat, a first mold opening block, a second limiting seat and a second mold opening block, the first limiting seat and the first mold opening block are arranged on the mounting plate, and the second limiting seat and the second mold opening block are arranged on the base. Limiting blocks are arranged on the opposite surfaces of the first limiting seat and the second limiting seat, lifting blocks are arranged on the opposite surfaces of the first mold opening block and the second mold opening block, a plurality of mold placing pipes used for placing molds are arranged on the base, and the first limiting seat and the second limiting seat are located above the mold placing pipes. The base is provided with a driving part for driving the first limiting seat to move in the direction close to or away from the second limiting seat, a first lifting part for driving the first mold opening block to ascend and descend, and a second lifting part for driving the second mold opening block to ascend and descend. The utility model has the effects that the mould is convenient to open and is not easy to damage.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic production equipment, and especially relates to a mold opening device. BACKGROUND

[0002] Plastic is mainly composed of carbon, oxygen, hydrogen, nitrogen and other organic or inorganic elements, and the finished product is a solid, which is a molten liquid in the manufacturing process, so it can be heated to melt, pressurized to flow, and cooled to solidify to form various shapes. There are many processing techniques for plastic, and thermoplastic forming is one of them. Thermoplastic forming, also known as hot forming, involves heating and softening plastic and then processing and forming it under pressure using appropriate molds or clamps. When processing plastic products, the operator usually places the plastic material into the mold, then places the mold in the machine for pressure and heating, and after processing is completed, the operator takes out the mold and then uses a tool to pry it open. However, because the upper and lower molds are tightly attached to each other after hot pressing, the operator needs to exert a lot of force to pry them open, and in the process of prying them open, the mold is easily damaged. SUMMARY

[0003] In order to facilitate the opening of the mold, the utility model provides a mold opening device for the prior art.

[0004] The mold opening device provided by the utility model adopts the following technical scheme:

[0005] A mold opening device includes a base, a mounting plate arranged on the base, a first limiting seat and a first mold opening module arranged on the mounting plate, and a second limiting seat and a second mold opening module arranged on the base. Limiting blocks are arranged on the opposite surfaces of the first limiting seat and the second limiting seat. Lifting blocks are arranged on the opposite surfaces of the first mold opening module and the second mold opening module. A plurality of mold placing pipes for placing molds are arranged on the base. The first limiting seat and the second limiting seat are located above the mold placing pipes. A driving member is arranged on the base to drive the first limiting seat to move towards or away from the second limiting seat. A first lifting member is arranged on the base to drive the first mold opening module to lift. A second lifting member is arranged on the base to drive the second mold opening module to lift.

[0006] Preferably, the driving member includes two mold opening magnetic coupling rodless cylinders arranged on the base. The mounting plate is fixedly arranged on the sliders of the two mold opening magnetic coupling rodless cylinders.

[0007] Preferably, the first lifting member comprises a first lifting cylinder arranged on the mounting plate, a piston rod of the first lifting cylinder movably penetrates the first limiting seat, the piston rod of the first lifting cylinder is fixedly connected with the first mold opening module, and the piston rod of the first lifting cylinder penetrates between two adjacent mold releasing pipes.

[0008] Preferably, a plurality of guide columns are arranged on the mounting plate, one end of the guide column is fixedly connected with the first mold opening module, the guide column movably penetrates the mounting plate and the first limiting seat, and the guide column movably penetrates between two adjacent mold releasing pipes.

[0009] Preferably, the second lifting member comprises a second lifting cylinder arranged on the base, a piston rod of the second lifting cylinder movably penetrates the second limiting seat, the piston rod of the second lifting cylinder is fixedly connected with the second mold opening seat, and the piston rod of the second lifting cylinder penetrates between two adjacent mold releasing pipes.

[0010] Preferably, a plurality of guide rods are arranged on the base, one end of the guide rod is fixedly connected with the second mold opening module, the guide rod movably penetrates the base and the second limiting seat, and the guide rod movably penetrates between two adjacent mold releasing pipes.

[0011] Preferably, a mold releasing magnetic coupling rodless cylinder is arranged on the base, a mold releasing lifting cylinder is arranged on a sliding block of the mold releasing magnetic coupling rodless cylinder, and a mold releasing rod is arranged on a piston rod of the mold releasing lifting cylinder.

[0012] Preferably, a position avoiding groove is arranged on the base, and the mold releasing rod is accommodated in the position avoiding groove.

[0013] In summary, the mold opening device has the following beneficial technical effects:

[0014] The mold is conveyed to the mold releasing rods, then the mold opening magnetic coupling rodless cylinder works to drive the sliding block to move, the first limiting seat and the first mold opening module move towards the second limiting seat, the first mold opening module drives the mold to move together, until the lifting block and the limiting block are inserted into the groove of the mold, then the piston rods of the first lifting cylinder and the second lifting cylinder are simultaneously extended, thereby driving the first mold opening module and the second mold opening module to rise, the lifting block lifts the upper mold of the mold, and the limiting block presses the lower mold, so that the upper mold and the lower mold are separated, the mold is conveniently and quickly opened, the mold is not easily damaged, and the production efficiency is higher. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model.

[0016] Figure 2It is another perspective structural schematic view of the utility model.

[0017] Figure 3 It is another perspective structural schematic view of the utility model.

[0018] Figure 4 It is the assembly relationship schematic view of the first mold opening module and the first limiting seat in the utility model.

[0019] Figure 5 It is the structural schematic view of the push mold magnetic coupling rodless cylinder in the utility model.

[0020] In the figure: 1, base; 11, mold releasing pipe; 12, second lifting cylinder; 13, guide rod; 2, mounting plate; 21, first limiting seat; 211, limiting block; 22, first mold opening module; 221, lifting block; 23, first lifting cylinder; 24, guide column; 3, second limiting seat; 31, second mold opening module; 4, mold opening magnetic coupling rodless cylinder; 5, push mold magnetic coupling rodless cylinder; 51, push mold lifting cylinder; 52, push mold rod; DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] In the description of the present application, it should be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description, and cannot be understood as indicating or implying relative importance.

[0023] The utility model embodiment discloses a mold opening device, such as Figures 1-5As shown, it comprises a base 1, a mounting plate 2 arranged on the base 1, a first limiting seat 21 and a first opening module 22 arranged on the mounting plate 2, and a second limiting seat 3 and a second opening module 31 arranged on the base 1, the first limiting seat 21 is fixedly connected to the mounting plate 2, the second limiting seat 3 is fixedly connected to the base 1, the first opening module 22 is located directly above the first limiting seat 21, the second opening module 31 is located directly above the second limiting seat 3, the opposite surfaces of the first limiting seat 21 and the second limiting seat 3 are integrally formed with a limiting block 211, the opposite surfaces of the first opening module 22 and the second opening module 31 are integrally formed with a lifting block 221, the limiting block 211 and the lifting block 221 are located on the same horizontal plane, a plurality of mold placing pipes 11 are fixedly installed on the base 1 in the horizontal direction, the plurality of mold placing pipes 11 are arranged in parallel with each other, the first limiting seat 21 and the second limiting seat 3 are located above the mold placing pipes 11, the plurality of mold placing pipes 11 are used for placing molds, the molds comprise an upper mold and a lower mold, recesses are arranged on the opposite surfaces of the upper mold and the lower mold, the lifting block 221, the limiting block 211 and the recesses are inserted and matched.

[0024] Meanwhile, the base 1 is provided with a first lifting piece for driving the first opening module 22 to lift, specifically, the first lifting piece comprises a first lifting cylinder 23 fixedly installed on the mounting plate 2 in the vertical direction, the piston rod of the first lifting cylinder 23 is movably penetrated through the first limiting seat 21, the piston rod of the first lifting cylinder 23 is fixedly connected to the first opening module 22, and the piston rod of the first lifting cylinder 23 is arranged between adjacent two mold placing pipes 11. When the piston rod of the first lifting cylinder 23 is elongated, the first opening module 22 is driven to rise upward, meanwhile, a plurality of guide columns 24 are arranged on the mounting plate 2, one end of the guide column 24 is fixedly connected to the first opening module 22, the guide column 24 is movably penetrated through the mounting plate 2 and the first limiting seat 21, and the guide column 24 is movably arranged between adjacent two mold placing pipes 11. The guide column 24 can guide the movement of the first opening module 22, so that the movement of the first limiting seat 21 is more stable.

[0025] Meanwhile, the base 1 is provided with a second lifting piece for driving the second mold opening module 31 to lift, specifically, the second lifting piece comprises a second lifting cylinder 12 fixedly installed on the mounting plate 2 along the vertical direction, the piston rod of the second lifting cylinder 12 movably penetrates through the second limiting seat 3, the piston rod of the second lifting cylinder 12 is fixedly connected to the second mold opening module 31, and the piston rod of the second lifting cylinder 12 is arranged between the adjacent two mold placing pipes 11. When the piston rod of the second lifting cylinder 12 is elongated, the second mold opening module 31 is driven to lift upwards, meanwhile, the mounting plate 2 is provided with a plurality of guide rods 13, the two ends of the guide rod 13 are fixedly connected to the second mold opening module 31, the guide rod 13 movably penetrates through the mounting plate 2 and the second limiting seat 3, and the guide rod 13 movably penetrates through the adjacent two mold placing pipes 11. The guide rod 13 can guide the movement of the second mold opening module 31, so that the movement of the second limiting seat 3 is more stable. After the mold is placed on the plurality of mold placing pipes 11, the lifting block 221 and the limiting block 211 are inserted into the groove of the mold, then the piston rod of the first lifting cylinder 23 and the second lifting cylinder 12 is simultaneously elongated, so as to drive the first mold opening module 22 and the second mold opening module 31 to lift, the lifting block 221 lifts the upper mold of the mold, and the limiting block 211 presses the lower mold, so that the upper mold and the lower mold are separated, thereby conveniently and quickly opening the mold.

[0026] In addition, the base 1 is provided with a driving piece for driving the first limiting seat 21 to move along the direction close to or away from the second limiting seat 3, specifically, the driving piece comprises two mold opening magnetic coupling rodless cylinders 4 fixedly installed on the base 1 along the horizontal direction, the mold opening magnetic coupling rodless cylinders 4 are arranged along the direction close to or away from the second limiting seat 3, and the mounting plate 2 is fixedly installed on the sliding blocks of the two mold opening magnetic coupling rodless cylinders 4. After the mold is conveyed to the mold placing pipe 11, the mold opening magnetic coupling rodless cylinders 4 work to drive the sliding blocks to move, so as to drive the first limiting seat 21 and the first mold opening module 22 to move along the direction close to the second limiting seat 3, and the first mold opening module 22 drives the mold to move together until the lifting block 221 and the limiting block 211 are inserted into the groove of the mold, so that more kinds of molds with different sizes can be adapted, and the production is more flexible.

[0027] In addition, the base 1 is fixedly installed with a mold pushing magnetic coupling rodless cylinder 5 in a horizontal direction, a mold pushing lifting cylinder 51 is fixedly installed on a sliding block of the mold pushing magnetic coupling rodless cylinder 5 in a vertical direction, and a mold pushing rod 52 is fixedly connected to a piston rod of the mold pushing lifting cylinder 51. When the mold opening is completed, the mold pushing magnetic coupling rodless cylinder 5 is operated to drive the sliding block to move and drive the mold pushing rod 52 to move, so that the mold is pushed to a position convenient for an operator to take, which is convenient and fast. In addition, the base 1 is provided with an avoiding groove, and the mold pushing rod 52 is accommodated in the avoiding groove. After the mold pushing rod 52 pushes the mold out, the mold pushing magnetic coupling rodless cylinder 5 is restored, and then the piston rod of the mold pushing lifting cylinder 51 is retracted, so that the mold pushing rod 52 is accommodated in the avoiding groove. At this time, the mold pushing rod 52 is flush with the upper surfaces of the multiple mold placing pipes 11, so that the mold can be conveniently conveyed to the mold placing pipes 11 and will not be blocked by the mold pushing rod 52.

[0028] The implementation principle of the mold opening device is that the mold is conveyed to the multiple mold placing rods, then the mold opening magnetic coupling rodless cylinder 4 is operated to drive the sliding block to move and drive the first limiting seat 21 and the first mold opening module 22 to move towards the second limiting seat 3, the first mold opening module 22 drives the mold to move together, until the lifting block 221 and the limiting block 211 are inserted into the groove of the mold, then the piston rods of the first lifting cylinder 23 and the second lifting cylinder 12 are simultaneously extended, so as to drive the first mold opening module 22 and the second mold opening module 31 to rise, the lifting block 221 lifts the upper mold of the mold, and the limiting block 211 presses the lower mold, so that the upper mold and the lower mold are separated, the mold is conveniently and quickly opened, the mold is not easily damaged, and the production efficiency is higher.

[0029] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model is disclosed as above, it is not used to limit the utility model. Any skilled person in the art can make some changes or modifications to the above disclosed technical content without departing from the technical solution of the utility model, and the equivalent embodiments with equivalent changes are equivalent to the above embodiments. Any simple modification, equivalent change and modification of the above embodiments are within the scope of the technical solution of the utility model.

Claims

1. A mold opening device characterized by comprising: The utility model provides a kind of mould opening and closing device, including base (1), the mounting plate (2) being arranged on the base (1), the first limit seat (21) and the first open module (22) being arranged on the mounting plate (2), and the second limit seat (3) and the second open module (31) being arranged on the base (1), first limit seat (21) is fixedly connected on the mounting plate (2), second limit seat (3) is fixedly connected on the base (1), the surface of first limit seat (21) and second limit seat (3) is oppositely provided with limit block (211), the surface of first open module (22) and second open module (31) is oppositely provided with lifting block (221), the base (1) is provided with multiple die placing pipes (11) for placing mould, first limit seat (21) and second limit seat (3) are located above die placing pipe (11), the base (1) is provided with driving piece for driving first limit seat (21) movement in the direction close to or away from second limit seat (3), the base (1) is provided with first lifting piece for driving first open module (22) lifting, the base (1) is provided with second lifting piece for driving second open module (31) lifting.

2. The mold opening apparatus according to claim 1, characterized by: The driving piece includes two open mould magnetic coupling rodless cylinders (4) arranged on the base (1), and the mounting plate (2) is fixedly arranged on the sliding blocks of the two open mould magnetic coupling rodless cylinders (4).

3. The mold opening apparatus according to claim 1, characterized by: The first lifting piece includes a first lifting cylinder (23) arranged on the mounting plate (2), the piston rod of the first lifting cylinder (23) is movably penetrated through the first limit seat (21), the piston rod of the first lifting cylinder (23) is fixedly connected to the first open module (22), and the piston rod of the first lifting cylinder (23) is arranged between adjacent two die placing pipes (11).

4. The mold opening apparatus according to claim 3, characterized by: The mounting plate (2) is provided with a plurality of guide columns (24), one end of the guide column (24) is fixedly connected to the first open module (22), the guide column (24) is movably penetrated through the mounting plate (2) and the first limit seat (21), and the guide column (24) is movably arranged between adjacent two die placing pipes (11).

5. The mold opening apparatus according to claim 1, characterized by: The second lifting piece includes a second lifting cylinder (12) arranged on the base (1), the piston rod of the second lifting cylinder (12) is movably penetrated through the second limit seat (3), the piston rod of the second lifting cylinder (12) is fixedly connected to the second open module, and the piston rod of the second lifting cylinder (12) is arranged between adjacent two die placing pipes (11).

6. The mold opening apparatus according to claim 5, characterized by: The base (1) is provided with a plurality of guide rods (13), one end of the guide rod (13) is fixedly connected to the second open module (31), the guide rod (13) is movably penetrated through the base (1) and the second limit seat (3), and the guide rod (13) is movably arranged between adjacent two die placing pipes (11).

7. The mold opening apparatus according to claim 1, characterized by: The base (1) is provided with a push-mold magnetic coupling rodless air cylinder (5), a push-mold lifting air cylinder (51) is arranged on the sliding block of the push-mold magnetic coupling rodless air cylinder (5), and a push-mold rod (52) is arranged on the piston rod of the push-mold lifting air cylinder (51).

8. The mold opening apparatus according to claim 7, characterized by: The base (1) is provided with an avoiding groove, and the push-mold rod (52) is accommodated in the avoiding groove.