CN221292006U - Auxiliary demoulding structure and mould pressing bridge mould - Google Patents
Auxiliary demoulding structure and mould pressing bridge mould Download PDFInfo
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- CN221292006U CN221292006U CN202323093100.7U CN202323093100U CN221292006U CN 221292006 U CN221292006 U CN 221292006U CN 202323093100 U CN202323093100 U CN 202323093100U CN 221292006 U CN221292006 U CN 221292006U
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- 230000000694 effects Effects 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000748 compression moulding Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
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Abstract
The utility model relates to the field of mold demolding, in particular to an auxiliary demolding structure and a mold pressing bridge mold, which comprises a frame, wherein a first hydraulic cylinder is fixed on the top surface of the frame, the first hydraulic cylinder penetrates through the frame to extend to the lower part of the frame, the moving end of the first hydraulic cylinder is fixed with the top surface of an upper mold, guide rods are arranged at four corners of the upper mold in a penetrating way, a mold core is fixed at the bottom end of the upper mold, a mold groove is formed in the top surface of a lower mold, a push plate is movably arranged in the mold groove, and a second hydraulic cylinder is fixed at the bottom end of the push plate, and the beneficial effects are that: the auxiliary demoulding structure is provided with the ejector rod and the push plate, when the upper mould moves downwards, the connecting plate is extruded, the connecting plate drives the ejector rod to move downwards until the top surface of the ejector rod is flush with the bottom surface of the push plate, after mould pressing is finished, the upper mould moves upwards, the ejector rod is driven to move upwards, the mould is impacted, the mould is separated from the push plate, and then the second hydraulic cylinder is started to drive the push plate to move upwards, so that the mould is ejected out, and the demoulding effect is better.
Description
Technical Field
The utility model relates to the field of mold demolding, in particular to an auxiliary demolding structure and a mold pressing bridge mold.
Background
Compression molding is an abbreviation for compression molding, also called compression molding. A plastic processing method for molding plastic or rubber compound into an article by heating and pressurizing in a closed mold cavity.
In the prior art, when the bridge mould is demoulded, a push rod is generally adopted for demould, and the push rod pushes the mould out of a mould groove to finish demould operation under the drive of a hydraulic cylinder.
However, the mold may adhere to the inner wall of the mold cavity, and the ejector rod is directly used for ejecting, so that the mold may be deformed due to uneven stress.
Disclosure of utility model
The utility model aims to provide an auxiliary demoulding structure and a mould pressing bridge mould, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an auxiliary demoulding structure, includes the frame, and the frame top surface is fixed with first pneumatic cylinder, and first pneumatic cylinder runs through the frame and extends to the frame below, first pneumatic cylinder removes the end and is fixed with last mould top surface, goes up the mould four corners and all runs through and be provided with the guide bar, goes up the mould and slides from top to bottom along the guide bar, and the guide bar upper end is fixed with the frame, and the guide bar lower extreme is fixed with the lower mould, goes up the mould bottom and is fixed with the mold core, and the die cavity has been seted up to the lower mould top surface, and the die cavity internalization is provided with the push pedal, and the push pedal bottom is fixed with the second pneumatic cylinder, and the lower mould below is provided with the base, and the base is inside to be provided with ejecting structure, and ejecting structure includes connecting plate, first backup pad, ejector pin, supporting spring and second backup pad.
Preferably, two sets of square holes are formed in the top surface of the lower die, the two sets of square holes are symmetrically arranged about the die cavity, a connecting plate is movably inserted in the square holes, the connecting plate is of an L-shaped structure, a vertical part of the connecting plate is inserted in the square holes and extends to the upper side of the lower die, a horizontal part of the connecting plate is positioned in a base, a cavity is formed in the base, the horizontal part of the connecting plate is fixed to the side wall of the first supporting plate, multiple groups of ejector rods are fixed to the top surface of the first supporting plate and uniformly distributed on the top surface of the first supporting plate, and the multiple groups of ejector rods penetrate through the bottom of the die cavity and the push plate and extend to the upper side of the push plate.
Preferably, the first supporting plate bottom surface symmetry is provided with six group's supporting springs, and supporting spring's one end is fixed in first backup pad bottom surface, and the other end is fixed at the second backup pad top surface, and the second backup pad is fixed inside the base.
Preferably, the movable end of the second hydraulic cylinder penetrates through the second supporting plate, the first supporting plate and the bottom of the die cavity to be fixed on the bottom surface of the push plate, and the base of the second hydraulic cylinder is fixed on the bottom surface inside the base.
Preferably, the height of the part of the connecting plate exposed above the lower die is equal to the height of the part of the ejector rod exposed above the push plate, two groups of mounting plates are hinged to two side walls of the lower die, and the mounting plates are fixed to the side walls of the base through bolts.
A molded bridge mold wherein the above-described auxiliary release structure is used.
Compared with the prior art, the utility model has the beneficial effects that:
The auxiliary demoulding structure is provided with the ejector rod and the push plate, when the upper mould moves downwards, the connecting plate is extruded, the supporting spring compresses and deforms, the connecting plate drives the ejector rod to move downwards until the top surface of the ejector rod is flush with the bottom surface of the push plate, after mould pressing is finished, the upper mould moves upwards, the supporting spring returns to the original state, drives the ejector rod to move upwards to strike the mould, so that the mould is separated from the push plate, and then the second hydraulic cylinder is started to drive the push plate to move upwards, so that the mould is ejected out, and the demoulding effect is better.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the lower die and base of the present utility model;
fig. 3 is a schematic structural view of an ejection structure according to the present utility model.
In the figure: 1 frame, 2 first pneumatic cylinder, 3 upper mould, 4 guide bars, 5 lower mould, 6 mold core, 7 die cavity, 8 connecting plates, 9 bases, 10 first backup pad, 11 ejector pins, 12 push plates, 13 supporting springs, 14 second backup pad, 15 second pneumatic cylinder, 16 mounting panels.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present invention more apparent, the embodiments of the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present invention, are intended to be illustrative only and not limiting of the embodiments of the present invention, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present invention.
Example 1
Referring to fig. 1-3, the present utility model provides a technical solution: the auxiliary demolding structure comprises a frame 1, wherein a first hydraulic cylinder 2 is fixed on the top surface of the frame 1, the first hydraulic cylinder 2 penetrates through the frame 1 to extend to the lower side of the frame 1, the moving end of the first hydraulic cylinder 2 is fixed with the top surface of an upper mold 3, four corners of the upper mold 3 are respectively provided with a guide rod 4 in a penetrating manner, the upper mold 3 slides up and down along the guide rods 4, the upper ends of the guide rods 4 are fixed with the frame 1, the lower ends of the guide rods 4 are fixed with a lower mold 5, a mold core 6 is fixed at the bottom end of the upper mold 3, a mold cavity 7 is formed in the top surface of the lower mold 5, a push plate 12 is movably arranged in the mold cavity 7, a second hydraulic cylinder 15 is fixed at the bottom end of the push plate 12, a base 9 is arranged below the lower mold 5, and an ejection structure is arranged inside the base 9 and comprises a connecting plate 8, a first support plate 10, a push rod 11, a support spring 13 and a second support plate 14; the auxiliary demoulding structure provided by the utility model is provided with the ejector rod 11 and the push plate 12, when the upper mould 3 moves downwards, the connecting plate 8 is extruded, the supporting spring 13 compresses and deforms, the connecting plate 8 drives the ejector rod 11 to move downwards until the top surface of the ejector rod 11 is flush with the bottom surface of the push plate 12, after mould pressing is finished, the upper mould 3 moves upwards, the supporting spring 13 returns to the original state, drives the ejector rod 11 to move upwards and impact the mould, so that the mould is separated from the push plate 12, and then the second hydraulic cylinder 15 is started to drive the push plate 12 to move upwards, so that the mould is ejected out, and the demoulding effect is better.
Example two
On the basis of the first embodiment, in order to separate the push plate 12 from the die, two groups of square holes are formed in the top surface of the lower die 5, the two groups of square holes are symmetrically arranged about the die cavity 7, a connecting plate 8 is movably inserted in the square holes, the connecting plate 8 is in an L-shaped structure, the vertical part of the connecting plate 8 is inserted in the square holes and extends to the upper side of the lower die 5, the horizontal part of the connecting plate 8 is positioned in the base 9, a cavity is formed in the base 9, the horizontal part of the connecting plate 8 is fixed with the side wall of the first supporting plate 10, a plurality of groups of ejector rods 11 are fixed on the top surface of the first supporting plate 10, the plurality of groups of ejector rods 11 are uniformly distributed on the top surface of the first supporting plate 10, and the plurality of groups of ejector rods 11 penetrate through the bottom of the die cavity 7 and the push plate 12 and extend to the upper side of the push plate 12; six groups of support springs 13 are symmetrically arranged on the bottom surface of the first support plate 10, one end of each support spring 13 is fixed on the bottom surface of the first support plate 10, the other end of each support spring is fixed on the top surface of the second support plate 14, and the second support plate 14 is fixed inside the base 9; the height of the part of the connecting plate 8 exposed above the lower die 5 is equal to the height of the part of the ejector rod 11 exposed above the push plate 12, two groups of mounting plates 16 are hinged to two side walls of the lower die 5, and the mounting plates 16 are fixed to the side walls of the base 9 through bolts.
When the mould pressing operation is carried out, the first hydraulic cylinder 2 is started, the upper mould 3 is driven to move downwards along the guide rod 4, the upper mould 3 presses the connecting plate 8, the supporting spring 13 is compressed and deformed, the connecting plate 8 drives the first supporting plate 10 to move downwards, the ejector rod 11 moves downwards until the top surface of the ejector rod 11 is flush with the bottom surface of the push plate 12, when the mould pressing operation is finished, the first hydraulic cylinder 2 drives the upper mould 3 to move upwards along the guide rod 4, the supporting spring 13 is restored to the original state, the first supporting plate 10 is driven to move upwards, the ejector rod 11 moves upwards and impacts the mould, thereby separating the mould from the push plate 12,
Example III
On the basis of the second embodiment, in order to realize demolding of the mold, the moving end of the second hydraulic cylinder 15 penetrates through the second supporting plate 14, the first supporting plate 10 and the bottom of the mold cavity 7 to be fixed on the bottom surface of the push plate 12, and the base of the second hydraulic cylinder 15 is fixed on the inner bottom surface of the base 9.
The second hydraulic cylinder 15 is started to drive the pushing plate to move upwards, the pushing plate 12 ejects the die, and the demoulding operation is completed.
Example IV
A mould for mould pressing bridge frame includes auxiliary demoulding structure.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an auxiliary demoulding structure, includes frame (1), and frame (1) top surface is fixed with first pneumatic cylinder (2), and frame (1) are run through to frame (1) and extend to frame (1) below, its characterized in that: the movable end of the first hydraulic cylinder (2) is fixed with the top surface of the upper die (3), guide rods (4) are arranged at four corners of the upper die (3) in a penetrating mode, the upper die (3) slides up and down along the guide rods (4), the upper ends of the guide rods (4) are fixed with the frame (1), the lower ends of the guide rods (4) are fixed with the lower die (5), the die cores (6) are fixed at the bottom ends of the upper die (3), the die grooves (7) are formed in the top surfaces of the lower die (5), push plates (12) are movably arranged in the die grooves (7), second hydraulic cylinders (15) are fixed at the bottom ends of the push plates (12), bases (9) are arranged below the lower die (5), and ejection structures are arranged inside the bases (9) and comprise connecting plates (8), first supporting plates (10), ejector rods (11), supporting springs (13) and second supporting plates (14).
2. The auxiliary demolding structure as claimed in claim 1, wherein: two sets of square holes have been seted up to lower mould (5) top surface, two sets of square holes set up with die cavity (7) symmetry, square hole internal activity grafting has connecting plate (8), connecting plate (8) are "L" shape structure, connecting plate (8) vertical portion is pegged graft in square hole, and extend to lower mould (5) top, connecting plate (8) horizontal part is in base (9), inside cavity that is equipped with of base (9), connecting plate (8) horizontal part is fixed with first backup pad (10) lateral wall, first backup pad (10) top surface is fixed with multiunit ejector pin (11), multiunit ejector pin (11) evenly distributed on first backup pad (10) top surface, multiunit ejector pin (11) run through die cavity (7) bottom and push pedal (12) and extend to push pedal (12) top.
3. The auxiliary demolding structure as claimed in claim 1, wherein: six groups of supporting springs (13) are symmetrically arranged on the bottom surface of the first supporting plate (10), one end of each supporting spring (13) is fixed on the bottom surface of the first supporting plate (10), the other end of each supporting spring is fixed on the top surface of the second supporting plate (14), and the second supporting plate (14) is fixed inside the base (9).
4. The auxiliary demolding structure as claimed in claim 1, wherein: the movable end of the second hydraulic cylinder (15) penetrates through the second supporting plate (14), the first supporting plate (10) and the bottom of the die cavity (7) to be fixed on the bottom surface of the push plate (12), and the base of the second hydraulic cylinder (15) is fixed on the inner bottom surface of the base (9).
5. The auxiliary demolding structure as claimed in claim 1, wherein: the height of the part of the connecting plate (8) exposed above the lower die (5) is equal to the height of the part of the ejector rod (11) exposed above the push plate (12), two groups of mounting plates (16) are hinged to two side walls of the lower die (5), and the mounting plates (16) are fixed with the side walls of the base (9) through bolts.
6. The utility model provides a mould pressing crane span structure mould which characterized in that: wherein the auxiliary release structure according to any one of claims 1 to 5 is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323093100.7U CN221292006U (en) | 2023-11-15 | 2023-11-15 | Auxiliary demoulding structure and mould pressing bridge mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323093100.7U CN221292006U (en) | 2023-11-15 | 2023-11-15 | Auxiliary demoulding structure and mould pressing bridge mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221292006U true CN221292006U (en) | 2024-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323093100.7U Active CN221292006U (en) | 2023-11-15 | 2023-11-15 | Auxiliary demoulding structure and mould pressing bridge mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221292006U (en) |
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2023
- 2023-11-15 CN CN202323093100.7U patent/CN221292006U/en active Active
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