CN219820364U - Improved secondary ejection piece - Google Patents
Improved secondary ejection piece Download PDFInfo
- Publication number
- CN219820364U CN219820364U CN202321241390.2U CN202321241390U CN219820364U CN 219820364 U CN219820364 U CN 219820364U CN 202321241390 U CN202321241390 U CN 202321241390U CN 219820364 U CN219820364 U CN 219820364U
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- China
- Prior art keywords
- plate
- fixedly connected
- secondary ejection
- thimble
- template
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- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 8
- 230000006872 improvement Effects 0.000 claims abstract description 4
- 238000001746 injection moulding Methods 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an improved secondary ejection piece, which comprises a die base, a front die plate, a bearing plate and a rear die plate, wherein a hydraulic oil cylinder is fixedly connected in the die base, the extension end of the hydraulic oil cylinder is fixedly connected with a thimble plate, and the top of the thimble plate is provided with a secondary ejection mechanism; the utility model relates to the technical field of dies, in particular to a secondary ejection mechanism which comprises a fixed plate fixedly connected to the top of a thimble plate, wherein electric push rods are fixedly connected to two sides of the top of the fixed plate, the extending ends of the electric push rods are fixedly connected with the bottom of a front template, and sliding columns are fixedly connected to two sides of the bottom of a bearing plate through fastening bolts. This improvement type secondary ejection spare, through the setting of secondary ejection mechanism, can make back mould mold insert break away from the product earlier, then rethread auxiliary thimble is ejecting the product, and the holding power reduces the top surface and does not have the thimble seal, avoids the product and the inner wall of shaping die cavity and the phenomenon that the thimble can appear "sticking the mould", has improved the production quality of product.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to an improved secondary ejection piece.
Background
The mould is used for producing various moulds and tools of the needed products by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods in industry.
The injection mold is usually used for producing small plastic parts on automobiles, the conventional ejector pins are adopted for secondary ejection on part of the existing mold, so that ejector pin marks are formed on the top surface of the plastic parts due to high holding force, and the inner drawing insert is firstly drawn during mold opening, so that the phenomenon of mold sticking of a product, the inner wall of a molding mold cavity and the ejector pins can occur, and the utility model makes the following improvement aiming at the defects.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an improved secondary ejection piece, which solves the problems that the ejector pin printing exists on the top surface of a plastic piece due to the fact that a conventional ejector pin is adopted for secondary ejection and the holding force is large, and the inner drawing insert is firstly drawn during mold opening, so that the phenomenon of sticking the product to the inner wall of a molding mold cavity and the ejector pin can occur.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the improved secondary ejection piece comprises a die base, a front template, a bearing plate and a rear template, wherein a hydraulic oil cylinder is fixedly connected inside the die base, the extending end of the hydraulic oil cylinder is fixedly connected with a thimble plate, and the top of the thimble plate is provided with a secondary ejection mechanism;
the secondary ejection mechanism comprises a fixed plate fixedly connected to the top of the ejector plate, electric push rods are fixedly connected to two sides of the top of the fixed plate, the extending ends of the electric push rods are fixedly connected with the bottom of the front template, sliding columns are fixedly connected to two sides of the bottom of the support plate through fastening bolts, the bottom ends of the sliding columns sequentially penetrate through the fixed plate and the ejector plate and extend to the inside of the ejector plate, movable grooves are formed in the inside of the fixed plate and located one side of the surface of the sliding column, buffer springs are fixedly connected to the inner walls of the movable grooves, one ends of the buffer springs are fixedly connected with backing plates, one sides of the inner walls of the backing plates are fixedly connected with inclined plane ejector blocks, inclined grooves matched with the inclined plane ejector blocks are formed in one side of the surface of the sliding column, grooves are formed in one side of the bottom ends of the electric push rods, and one sides of the backing plates are arranged inside the grooves.
Preferably, the top of the carrier plate is fixedly connected with a rear mold insert, and the top end of the rear mold insert penetrates through the rear mold plate and extends to the top of the rear mold plate.
Preferably, the top of the fixing plate is fixedly connected with an auxiliary thimble, and the top end of the auxiliary thimble penetrates through the rear mold insert and extends to the top end of the rear mold insert.
Preferably, the top of the front template is provided with an injection molding opening, and the interior of the front template is provided with an injection molding pipeline.
Preferably, a molding cavity is formed in one side of the bottom of the front template.
Advantageous effects
The utility model provides an improved secondary ejection member. Compared with the prior art, the method has the following beneficial effects: this improvement type secondary ejection spare, through the setting of secondary ejection mechanism, can make back mould mold insert break away from the product earlier, then rethread auxiliary thimble is ejecting the product, and the holding power reduces the top surface and does not have the thimble seal, avoids the product and the inner wall of shaping die cavity and the phenomenon that the thimble can appear "sticking the mould", has improved the production quality of product.
Drawings
FIG. 1 is a perspective view of the structure of the present utility model;
FIG. 2 is an original state diagram of the present utility model;
fig. 3 is a state diagram of the present utility model after one ejection.
In the figure: 1. a mold base; 2. a front template; 3. a carrier plate; 4. a rear template; 5. a hydraulic cylinder; 6. a needle ejection plate; 7. a secondary ejection mechanism; 71. a fixing plate; 72. an electric push rod; 73. a fastening bolt; 74. a sliding column; 75. a buffer spring; 76. a backing plate; 77. an inclined plane jacking block; 78. a chute; 8. a rear mold insert; 9. an auxiliary thimble; 10. an injection molding port; 11. injection molding a pipeline; 12. and (5) forming a die cavity.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution: the improved secondary ejection piece comprises a die base 1, a front die plate 2, a carrier plate 3 and a rear die plate 4, wherein a hydraulic oil cylinder 5 is fixedly connected inside the die base 1, the extension end of the hydraulic oil cylinder 5 is fixedly connected with a thimble plate 6, and the top of the thimble plate 6 is provided with a secondary ejection mechanism 7;
the secondary ejection mechanism 7 comprises a fixed plate 71 fixedly connected to the top of the ejector plate 6, two sides of the top of the fixed plate 71 are fixedly connected with an electric push rod 72, an extending end of the electric push rod 72 is fixedly connected with the bottom of the front template 2, two sides of the bottom of the bearing plate 3 are fixedly connected with a sliding column 74 through fastening bolts 73, the bottom end of the sliding column 74 sequentially penetrates through the fixed plate 71 and the ejector plate 6 and extends to the inside of the ejector plate 6, a movable groove is formed in the inside of the fixed plate 71 and located on one side of the surface of the sliding column 74, a buffer spring 75 is fixedly connected to the inner wall of the movable groove, one end of the buffer spring 75 is fixedly connected with a base plate 76 and one side of the inner wall of the base plate 76 is fixedly connected with an inclined plane ejector block 77, a chute 78 matched with the inclined plane ejector block 77 is formed in one side of the surface of the sliding column 74, one side of the bottom end of the electric push rod 72 is provided with a groove, and one side of the base plate 76 is lapped inside the groove.
Specifically, the top of the carrier plate 3 is fixedly connected with a rear mold insert 8, and the top end of the rear mold insert 8 penetrates the rear mold plate 4 and extends to the top of the rear mold plate 4.
Specifically, the top of the fixing plate 71 is fixedly connected with an auxiliary ejector pin 9, and the top end of the auxiliary ejector pin 9 penetrates the rear mold insert 8 and extends to the top end of the rear mold insert 8.
Specifically, an injection molding opening 10 is formed in the top of the front template 2, and an injection molding pipeline 11 is formed in the front template 2.
Specifically, a molding cavity 12 is formed on one side of the bottom of the front mold plate 2.
And all that is not described in detail in this specification is well known to those skilled in the art.
When the injection molding machine is used, completely melted plastic materials are conveyed into a molding cavity 12 through an injection molding opening 10 and an injection molding pipeline 11, a front mold plate 2 is normally opened after a product is molded, a hydraulic cylinder 5 is started, an extending end of the hydraulic cylinder 5 drives an ejector plate 6 to move upwards, then a fixed plate 71 is lifted upwards, at the moment, the fixed plate 71 drives a backing plate 76 to move upwards along the surface of a sliding column 74 until an inclined plane ejector block 77 on the backing plate 76 is clamped into a chute 78 on the sliding column 74, at the moment, one side of the backing plate 76 is far away from a groove part on an electric push rod 72, and the electric push rod 72 is separated from the backing plate 76;
the electric push rod 72 is started, the extending end of the electric push rod 72 drives the rear template 4 to lift upwards, so that the rear template 4 is separated from the carrier plate 3, the rear mold insert 8 is separated from a product, the ejector plate 6 is controlled to move upwards continuously, and the fixing plate 71 drives the auxiliary ejector pins 9 to eject the product, so that a person can take the product.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (5)
1. Improvement type secondary ejection spare, including mould base (1), preceding template (2), carrier plate (3) and back template (4), its characterized in that: the inside of the die base (1) is fixedly connected with a hydraulic oil cylinder (5), the extending end of the hydraulic oil cylinder (5) is fixedly connected with a thimble plate (6), and the top of the thimble plate (6) is provided with a secondary ejection mechanism (7);
the secondary ejection mechanism (7) comprises a fixed plate (71) fixedly connected to the top of the ejector plate (6), two sides of the top of the fixed plate (71) are fixedly connected with an electric push rod (72), the extending end of the electric push rod (72) is fixedly connected with the bottom of the front template (2), two sides of the bottom of the bearing plate (3) are fixedly connected with sliding columns (74) through fastening bolts (73), the bottom of the sliding columns (74) sequentially penetrates through the fixed plate (71) and the ejector plate (6) and extends to the inside of the ejector plate (6), a movable groove is formed in the inside of the fixed plate (71) and located on one side of the surface of the sliding column (74), a buffer spring (75) is fixedly connected to the inner wall of the movable groove, one end of the buffer spring (75) is fixedly connected with a base plate (76) and one side of the inner wall of the base plate (76) is fixedly connected with an inclined plane ejector block (77), one side of the surface of the sliding column (74) is provided with an inclined chute (78) which is matched with the inclined plane ejector block (77), and one side of the bottom of the base plate (72) is provided with one side of the groove.
2. The improved secondary ejection member as claimed in claim 1, wherein: the top of carrier plate (3) fixedly connected with back mould mold insert (8), and the top of back mould mold insert (8) runs through back template (4) and extends to the top of back template (4).
3. The improved secondary ejection member as claimed in claim 2, wherein: the top of fixed plate (71) fixedly connected with assists thimble (9), and the top of assisting thimble (9) runs through back mould mold insert (8) and extends to the top of back mould mold insert (8).
4. The improved secondary ejection member as claimed in claim 1, wherein: injection molding openings (10) are formed in the top of the front template (2), and injection molding pipelines (11) are formed in the front template (2).
5. The improved secondary ejection member as claimed in claim 1, wherein: one side of the bottom of the front template (2) is provided with a molding die cavity (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321241390.2U CN219820364U (en) | 2023-05-22 | 2023-05-22 | Improved secondary ejection piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321241390.2U CN219820364U (en) | 2023-05-22 | 2023-05-22 | Improved secondary ejection piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219820364U true CN219820364U (en) | 2023-10-13 |
Family
ID=88251969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321241390.2U Active CN219820364U (en) | 2023-05-22 | 2023-05-22 | Improved secondary ejection piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219820364U (en) |
-
2023
- 2023-05-22 CN CN202321241390.2U patent/CN219820364U/en active Active
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