CN220576524U - Secondary demoulding mechanism of injection mould - Google Patents
Secondary demoulding mechanism of injection mould Download PDFInfo
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- CN220576524U CN220576524U CN202322130780.9U CN202322130780U CN220576524U CN 220576524 U CN220576524 U CN 220576524U CN 202322130780 U CN202322130780 U CN 202322130780U CN 220576524 U CN220576524 U CN 220576524U
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- demoulding
- processing base
- injection
- plastic product
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- 238000002347 injection Methods 0.000 title claims abstract description 24
- 239000007924 injection Substances 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 238000001746 injection moulding Methods 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000004033 plastic Substances 0.000 abstract description 41
- 229920003023 plastic Polymers 0.000 abstract description 41
- 239000000112 cooling gas Substances 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 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
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a secondary demoulding mechanism of an injection mould, which comprises a processing base, two groups of support plates, an injection moulding assembly and a demoulding assembly, wherein the two groups of support plates are arranged on two sides of the top end of the processing base through bolts. According to the utility model, the demoulding assembly is arranged, under the action of the refrigerator, cooling gas is sent into the lower mould through the conveying pipe, so that gaps are formed between the plastic product and the inner wall of the lower mould, primary demoulding of the plastic product is realized, the subsequent convenient and quick demoulding of the plastic product is facilitated, the ejector plate is driven by the electric push rod to move so as to separate the plastic product from the lower mould, the extension rod is driven by the air cylinder to move, the fixed block is driven to move by the movement of the extension rod, the electrostatic chuck is driven to move by the movement of the fixed block, the electrostatic chuck is driven to move downwards until the electrostatic chuck is attached to the plastic product by the electric telescopic rod, the plastic product is demoulded again under the cooperation of the electric push rod and the ejector plate, and good and quick demoulding is realized.
Description
Technical Field
The utility model relates to the technical field related to injection molds, in particular to a secondary demolding mechanism of an injection mold.
Background
The injection mold is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate dimensions, and is widely applied to industrial departments such as aviation, aerospace, electronics, machinery, ships, automobiles and the like, and after the plastic products are processed, the injection mold needs to be demolded, so that a secondary demolding mechanism of the injection mold is needed.
The prior art has the following defects: when the existing injection mold is used for demolding, most of the existing injection mold adopts an ejection mechanism to eject the plastic product out of the mold, but after the injection molding of the plastic product is completed, the plastic product is attached to the inner wall of the mold, deformation of the plastic product is easily caused by the ejection of the plastic product, the quality of the plastic product is affected, and some demolding mechanisms are used for demolding the plastic product, so that the plastic product needs to be manually taken out of the mold after the demolding of the plastic product is completed, and the plastic product is more troublesome and easy to damage.
Disclosure of Invention
The utility model aims to provide a secondary demolding mechanism of an injection mold, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the secondary demoulding mechanism of the injection mould comprises a processing base, two groups of supporting plates, an injection moulding assembly and a demoulding assembly, wherein the two groups of supporting plates are arranged on two sides of the top end of the processing base through bolts, the injection moulding assembly is arranged above the processing base, and the demoulding assembly is arranged above the processing base and is positioned on one side of the injection moulding assembly;
the demolding assembly comprises an electric push rod, a material ejection plate, a refrigerator, a conveying pipe, a one-way valve and a lifting part, wherein the electric push rod is arranged in a lower mold, the material ejection plate is arranged at the output end of the electric push rod, the refrigerator is arranged at the top end of a processing base, the conveying pipe is arranged at the output end of the refrigerator, the one-way valve is embedded in the conveying pipe, and the lifting part is arranged between supporting plates.
As a further preferable mode of the technical scheme, the ejector plate is arranged corresponding to the lower die, the conveying pipe extends into the lower die, and the output end of the one-way valve faces into the lower die.
As the further preferable of this technical scheme, carry the portion of drawing and include two sets of cylinders, extension bar, fixed block, multiunit electric telescopic handle and electrostatic chuck, two sets of the cylinder is installed at the backup pad lateral wall, the extension bar is installed at the cylinder output, the fixed block is installed in extension bar one end, multiunit electric telescopic handle is installed in the fixed block bottom, electrostatic chuck installs at electric telescopic handle output.
As a further preferable mode of the technical scheme, the output end of the electrostatic chuck faces the lower die, and a rubber protective sleeve is sleeved outside the electrostatic chuck.
As a further preferable mode of the technical scheme, a supporting top plate is arranged at the top end of the supporting plate, and a plurality of groups of limiting rods are arranged between the processing base and the supporting top plate.
As the further preferred of this technical scheme, the subassembly of moulding plastics includes pneumatic cylinder, last mould, bed die, multiunit stopper, buffer spring, multiunit locating lever and feed cylinder, the pneumatic cylinder is installed on the roof top of support, go up the mould and install at the pneumatic cylinder output, the bed die is installed on processing base top, multiunit the stopper symmetry is installed at last mould lateral wall, buffer spring cover is established and is installed in the gag lever post outside, multiunit the locating lever is installed in last mould bottom, the feed cylinder is installed at the bed die lateral wall.
As a further preferable mode of the technical scheme, the upper die and the lower die are correspondingly arranged, the limiting block is in sliding connection with the limiting rod, and the positioning rod and the lower die are correspondingly arranged.
The utility model provides a secondary demoulding mechanism of an injection mould, which has the following beneficial effects:
(1) According to the utility model, the demoulding assembly is arranged, after the plastic product is processed, cooling gas is sent into the lower mould through the conveying pipe under the action of the refrigerator, so that gaps are formed between the plastic product and the inner wall of the lower mould, the initial demoulding of the plastic product is realized, the subsequent convenient and quick demoulding of the plastic product is facilitated, the ejector plate is driven to move by the electric push rod, so that the plastic product and the lower mould can be separated, the extension rod is driven to move by the air cylinder, the fixed block is driven to move by the movement of the extension rod, the electrostatic chuck is driven to move by the movement of the fixed block, the electrostatic chuck is driven to move downwards by the electric telescopic rod until the electrostatic chuck is attached to the plastic product, and the plastic product is demoulded again under the cooperation of the electric push rod and the ejector plate, so that good and quick demoulding is realized.
(2) According to the utility model, the injection molding assembly is arranged, plastic liquid can be pushed into the lower die by using the feeding cylinder, the upper die is driven to move downwards by using the hydraulic cylinder, the limiting block is driven to move by the movement of the upper die, the buffering spring is compressed by the movement of the limiting block, the upper die and the lower die can be combined together, and the upper die can be limited under the cooperation of the limiting rod and the positioning rod.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of an injection molding assembly according to the present utility model;
FIG. 3 is a schematic view of a stripper assembly of the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.
In the figure: 1. processing a base; 2. a support plate; 3. an injection molding assembly; 4. a demolding assembly; 5. an electric push rod; 6. a liftout plate; 7. a refrigerating machine; 8. a delivery tube; 9. a one-way valve; 10. a lifting part; 11. a cylinder; 12. an extension bar; 13. a fixed block; 14. an electric telescopic rod; 15. an electrostatic chuck; 16. a supporting top plate; 17. a limit rod; 18. a hydraulic cylinder; 19. an upper die; 20. a lower die; 21. a limiting block; 22. a buffer spring; 23. a positioning rod; 24. a feeding cylinder.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The utility model provides the technical scheme that: as shown in fig. 1 and 3, in the present embodiment, the secondary demolding mechanism of the injection mold comprises a processing base 1, two groups of support plates 2, an injection molding assembly 3 and a demolding assembly 4, wherein the two groups of support plates 2 are mounted on two sides of the top end of the processing base 1 through bolts, the injection molding assembly 3 is mounted above the processing base 1, the demolding assembly 4 is mounted above the processing base 1 and is positioned on one side of the injection molding assembly 3, the demolding assembly 4 comprises an electric push rod 5, a liftout plate 6, a refrigerator 7, a conveying pipe 8, a one-way valve 9 and a lifting part 10, the electric push rod 5 is mounted in a lower mold 20, the liftout plate 6 is mounted at the output end of the electric push rod 5, the refrigerator 7 is mounted on the top end of the processing base 1, the conveying pipe 8 is mounted at the output end of the refrigerator 7, the one-way valve 9 is mounted in the conveying pipe 8 in an embedded manner, the lifting part 10 is mounted between the support plates 2, the ejector plate 6 is correspondingly arranged with the lower die 20, the conveying pipe 8 extends into the lower die 20, the output end of the one-way valve 9 faces into the lower die 20, the lifting part 10 comprises two groups of air cylinders 11, extension rods 12, a fixed block 13, a plurality of groups of electric telescopic rods 14 and an electrostatic chuck 15, the two groups of air cylinders 11 are arranged on the side wall of the supporting plate 2, the extension rods 12 are arranged at the output end of the air cylinders 11, the fixed block 13 is arranged at one end of the extension rods 12, the plurality of groups of electric telescopic rods 14 are arranged at the bottom end of the fixed block 13, the electrostatic chuck 15 is arranged at the output end of the electric telescopic rods 14, the output end of the electrostatic chuck 15 faces into the lower die 20, a rubber protecting sleeve is sleeved outside the electrostatic chuck 15, after plastic products are processed, cooling gas is conveyed into the lower die 20 by the conveying pipe 8 under the action of the refrigerator 7, so that the gap between the plastic product and the inner wall of the lower die 20 can be formed, the ejector plate 6 is driven to move by the electric push rod 5, the plastic product and the lower die 20 can be separated, the extension rod 12 is driven to move by the air cylinder 11, the fixed block 13 is driven to move by the movement of the extension rod 12, the electrostatic chuck 15 is driven to move by the movement of the fixed block 13, the electrostatic chuck 15 is driven to move downwards by the electric telescopic rod 14 until the electrostatic chuck 15 is attached to the plastic product, and the plastic product is demoulded again under the cooperation of the electric push rod 5 and the ejector plate 6.
As shown in fig. 1 and 2, the injection molding assembly 3 includes a hydraulic cylinder 18, an upper mold 19, a lower mold 20, a plurality of sets of limiting blocks 21, a buffer spring 22, a plurality of sets of positioning rods 23 and a feeding barrel 24, wherein the hydraulic cylinder 18 is installed at the top end of the supporting top plate 16, the upper mold 19 is installed at the output end of the hydraulic cylinder 18, the lower mold 20 is installed at the top end of the processing base 1, a plurality of sets of limiting blocks 21 are symmetrically installed on the side wall of the upper mold 19, the buffer spring 22 is sleeved outside the limiting rods 17, a plurality of sets of positioning rods 23 are installed at the bottom end of the upper mold 19, the feeding barrel 24 is installed on the side wall of the lower mold 20, the upper mold 19 is correspondingly arranged with the lower mold 20, the limiting blocks 21 are slidably connected with the limiting rods 17, the positioning rods 23 are correspondingly arranged with the lower mold 20, plastic liquid can be pushed into the lower mold 20 by the feeding barrel 24, the upper mold 19 is driven to move downwards by the hydraulic cylinder 18, the upper mold 19 is driven to move by the movement of the upper mold 19, the limiting blocks 21 are compressed by the movement of the limiting blocks 21, the upper mold 19 can be combined with the lower mold 20, the upper mold 19 and the limiting blocks are combined together by the lower mold 20, and the positioning rods 17 and the upper mold 19 can be matched with the lower mold 23.
The utility model provides a secondary demoulding mechanism of an injection mould, which has the following specific working principle:
when the secondary demoulding mechanism of the injection mould is used, the injection mould assembly 3 is arranged, plastic liquid can be pushed into the lower mould 20 by using the feeding cylinder 24, the hydraulic cylinder 18 is used for driving the upper mould 19 to move downwards, the movement of the upper mould 19 drives the limiting block 21 to move, the buffering spring 22 is compressed by the movement of the limiting block 21, the upper mould 19 and the lower mould 20 can be combined together, the upper mould 19 can be limited under the cooperation of the limiting rod 17 and the positioning rod 23, the demoulding assembly 4 is arranged, after the plastic product is processed, cooling gas is sent into the lower mould 20 by the conveying pipe 8 under the action of the refrigerator 7, so that the gap is formed between the plastic product and the inner wall of the lower mould 20, the primary demoulding of the plastic product is realized, the subsequent convenient and quick demoulding of the plastic product is facilitated, the electric push rod 5 is used for driving the ejector plate 6 to move, the plastic product and the lower mould 20 are separated, the air cylinder 11 is used for driving the extension rod 12 to move, the fixed block 13 is driven by the movement of the extension rod 12, the static sucker 15 is driven by the movement of the fixed block 13, the static sucker 15 is driven by the electric telescopic rod 14 to move, the static sucker 15 is driven by the electric telescopic rod 15 to move until the static sucker 15 is matched with the static sucker 15, and the plastic product is well demoulded by the electric push rod 5, and the good demoulding effect is realized.
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 (7)
1. The secondary demoulding mechanism of the injection mould is characterized by comprising a processing base (1), two groups of supporting plates (2), an injection moulding assembly (3) and a demoulding assembly (4), wherein the two groups of supporting plates (2) are arranged on two sides of the top end of the processing base (1) through bolts, the injection moulding assembly (3) is arranged above the processing base (1), and the demoulding assembly (4) is arranged above the processing base (1) and is positioned on one side of the injection moulding assembly (3);
the demolding assembly (4) comprises an electric push rod (5), a material ejection plate (6), a refrigerator (7), a conveying pipe (8), a one-way valve (9) and a lifting part (10), wherein the electric push rod (5) is installed in a lower mold (20), the material ejection plate (6) is installed at the output end of the electric push rod (5), the refrigerator (7) is installed at the top end of a processing base (1), the conveying pipe (8) is installed at the output end of the refrigerator (7), the one-way valve (9) is embedded in the conveying pipe (8), and the lifting part (10) is installed between supporting plates (2).
2. The secondary stripping mechanism of an injection mold according to claim 1, characterized in that: the ejector plate (6) is arranged corresponding to the lower die (20), the conveying pipe (8) extends into the lower die (20), and the output end of the one-way valve (9) faces into the lower die (20).
3. The secondary stripping mechanism of an injection mold according to claim 1, characterized in that: the lifting part (10) comprises two groups of cylinders (11), extension bars (12), fixed blocks (13), multiple groups of electric telescopic rods (14) and electrostatic chucks (15), wherein the two groups of cylinders (11) are arranged on the side wall of the supporting plate (2), the extension bars (12) are arranged at the output ends of the cylinders (11), the fixed blocks (13) are arranged at one ends of the extension bars (12), the multiple groups of electric telescopic rods (14) are arranged at the bottom ends of the fixed blocks (13), and the electrostatic chucks (15) are arranged at the output ends of the electric telescopic rods (14).
4. The secondary stripping mechanism for injection molds as claimed in claim 3, wherein: the output end of the electrostatic chuck (15) faces the lower die (20), and a rubber protective sleeve is sleeved outside the electrostatic chuck (15).
5. The secondary stripping mechanism of an injection mold according to claim 1, characterized in that: the top end of the supporting plate (2) is provided with a supporting top plate (16), and a plurality of groups of limiting rods (17) are arranged between the processing base (1) and the supporting top plate (16).
6. The secondary stripping mechanism of an injection mold according to claim 1, characterized in that: injection molding subassembly (3) include pneumatic cylinder (18), go up mould (19), bed die (20), multiunit stopper (21), buffer spring (22), multiunit locating lever (23) and feed cylinder (24), pneumatic cylinder (18) are installed on supporting roof (16) top, go up mould (19) and install at pneumatic cylinder (18) output, bed die (20) are installed on processing base (1) top, multiunit stopper (21) symmetry are installed at last mould (19) lateral wall, buffer spring (22) cover is established and is installed in gag lever post (17) outside, multiunit locating lever (23) are installed in last mould (19) bottom, feed cylinder (24) are installed at bed die (20) lateral wall.
7. The secondary stripping mechanism for an injection mold according to claim 6, wherein: the upper die (19) and the lower die (20) are correspondingly arranged, the limiting block (21) is in sliding connection with the limiting rod (17), and the positioning rod (23) and the lower die (20) are correspondingly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322130780.9U CN220576524U (en) | 2023-08-09 | 2023-08-09 | Secondary demoulding mechanism of injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322130780.9U CN220576524U (en) | 2023-08-09 | 2023-08-09 | Secondary demoulding mechanism of injection mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220576524U true CN220576524U (en) | 2024-03-12 |
Family
ID=90107657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322130780.9U Active CN220576524U (en) | 2023-08-09 | 2023-08-09 | Secondary demoulding mechanism of injection mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220576524U (en) |
-
2023
- 2023-08-09 CN CN202322130780.9U patent/CN220576524U/en active Active
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