CN216968404U - Simplified needle plate for front mold - Google Patents
Simplified needle plate for front mold Download PDFInfo
- Publication number
- CN216968404U CN216968404U CN202220133802.XU CN202220133802U CN216968404U CN 216968404 U CN216968404 U CN 216968404U CN 202220133802 U CN202220133802 U CN 202220133802U CN 216968404 U CN216968404 U CN 216968404U
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- Prior art keywords
- thimble
- groove
- mould
- sliding
- mold
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- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 description 4
- 238000001746 injection moulding Methods 0.000 description 4
- 238000010276 construction Methods 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
- 238000010030 laminating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method 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
- 238000005191 phase separation Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a simplified needle plate for a front mold, which comprises a positioning rod, wherein the positioning rod is arranged at the upper end of a base, the top end of the positioning rod is provided with a top plate, the outer side of the positioning rod penetrates through an upper mold and a lower mold, the side end of the top plate is provided with a hydraulic rod, the output end of the hydraulic rod is connected with the side end of the lower mold, the inner end of the upper mold is provided with a cavity, the lower surface of the top plate is provided with a thimble, the bottom end of the thimble is connected with a barb, the inner end of the upper mold is provided with a through groove, and the thimble penetrates through the upper mold through the through groove. This a simplified form faller for front mould is provided with slope form thimble and slider, moves down through the hydraulic stem drive lower mould during the drawing of patterns, and the thimble upwards slides along last mould inner through groove and lower mould inner, drives the slider through the chute when the thimble slides and will follow the guide rail and outwards remove, makes slider top fluting separate from the work piece outer end with the lug to be convenient for subsequent work piece drawing of patterns, the suitability of mould is wider.
Description
Technical Field
The utility model relates to the technical field of dies, in particular to a simplified needle plate for a front die.
Background
When a product is produced in a factory, a mold is usually used for manufacturing a workpiece, and in order to make demolding of a molded product more convenient, guiding is performed through the use of an ejector plate, but the existing front mold plate has certain defects, such as;
when the existing simplified needle plate for the front mold is used, a workpiece with the outer surface needing to be grooved cannot be subjected to rapid demolding, so that the mold has certain limitation, and the processing efficiency of the whole device is reduced.
In order to solve the problems, innovative design is urgently needed on the basis of the original simplified needle plate.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a simplified needle plate for a front mold, which aims to solve the problems that when the conventional simplified needle plate for the front mold proposed in the background art is used, a workpiece with an outer surface needing to be grooved cannot be quickly demolded, so that a mold has certain limitation, and the processing efficiency of the whole device is reduced.
In order to achieve the purpose, the utility model provides the following technical scheme: a simplified needle plate for a front mold comprises a base, an upper mold and a lower mold, wherein the upper mold is arranged at the upper end of the base, and the lower mold is arranged at the lower end of the upper mold;
further comprising:
the positioning rod is mounted at the upper end of the base, a top plate is mounted at the top end of the positioning rod, the outer side of the positioning rod penetrates through the upper die and the lower die, a hydraulic rod is mounted at the side end of the top plate, the output end of the hydraulic rod is connected with the side end of the lower die, a cavity is formed in the inner end of the upper die, an ejector pin is mounted on the lower surface of the top plate, a barb is connected to the bottom end of the ejector pin, a through groove is formed in the inner end of the upper die, the ejector pin is connected with the upper die in a penetrating mode through the through groove, a sliding groove is formed in the lower end of the upper die, a guide rail is mounted on the inner side of the sliding groove, a sliding block is arranged on the inner side of the sliding groove, a guide groove is formed in the side of the sliding block, and the sliding block is connected with the ejector pin in a penetrating mode through the sliding groove;
the kerve, offer in the inner of lower mould, and the inner of kerve is provided with the ejector pin, and the surface of ejector pin is provided with the spring.
Preferably, the upper end evenly distributed of base is provided with four group's locating levers, and locating lever top and roof be fixed connection to the locating lever is sliding connection with last mould and lower mould, carries out the position direction when making to go up mould and lower mould and remove through the locating lever.
Preferably, the ejector pin forms a sliding structure with the upper die through the through groove, the ejector pin is in an inclined structure in front view, and the ejector pin is in sliding connection with the lower die.
Preferably, the bottom symmetric distribution of spout at last mould has seted up two sets ofly, the guide rail is installed two sets ofly at the spout symmetric distribution, the slider passes through the guide way and constitutes sliding construction with the guide rail, makes the thimble drive the slider outwards to slide in the spout through the removal of last mould and lower mould, makes slider top for the fluting lug with the shaping work piece phase separation.
Preferably, the slide block and the ejector pin form a sliding structure through a chute, the ejector pin and the chute form a clamping structure through a barb, and the barb at the bottom end of the ejector pin fixes the position of the upper die.
Preferably, the ejector pin passes through the kerve and constitutes sliding structure with last mould, and the top of kerve is linked together with the die cavity bottom to the ejector pin passes through the spring and constitutes elastic construction with the lower mould, through the laminating of lower mould and base, carries out the jacking to the ejector pin, and the ejector pin is ejecting the work piece from the die cavity and is carried out automatic drawing of patterns.
Compared with the prior art, the utility model has the beneficial effects that:
1. the simplified needle plate for the front mold is provided with the inclined ejector pin and the sliding block, the lower mold is driven to move downwards through the hydraulic rod during demolding, the ejector pin slides upwards along the through groove in the upper mold and the inner end of the lower mold, the sliding block is driven to move outwards along the guide rail through the inclined groove during sliding of the ejector pin, and the protrusion for grooving at the top end of the sliding block is separated from the outer end of a workpiece, so that subsequent workpiece demolding is facilitated, and the applicability of the mold is wider;
2. this a simplified form faller for front mould is provided with ejector pin and spring, and when the lower mould bottom surface laminated with the base upper surface, can extrude the ejector pin and make its rebound and compress the spring, the top of ejector pin can be followed the die cavity and ejecting the work piece, carries out the automatic drawing of patterns, improves machining efficiency.
Drawings
FIG. 1 is a schematic overall front cross-sectional structural view of the present invention;
FIG. 2 is a schematic diagram of the working structure of the thimble according to the present invention;
FIG. 3 is a schematic view of the working structure of the lift pin of the present invention;
FIG. 4 is a schematic perspective view of a slider according to the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 3 according to the present invention.
In the figure: 1. a base; 2. positioning a rod; 3. a top plate; 4. an upper die; 5. a lower die; 6. a hydraulic rod; 7. a cavity; 8. a thimble; 9. a barb; 10. a through groove; 11. a chute; 12. a guide rail; 13. a slider; 14. a guide groove; 15. a chute; 16. a bottom groove; 17. a top rod; 18. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a simplified needle plate for a front mold comprises a base 1, an upper mold 4 and a lower mold 5, wherein the upper mold 4 is arranged at the upper end of the base 1, and the lower mold 5 is arranged at the lower end of the upper mold 4;
further comprising:
a positioning rod 2 which is arranged at the upper end of the base 1, a top plate 3 is arranged at the top end of the positioning rod 2, the outer side of the positioning rod 2 is penetrated through an upper die 4 and a lower die 5, a hydraulic rod 6 is arranged at the side end of the top plate 3, the output end of the hydraulic rod 6 is connected with the side end of the lower die 5, the inner end of the upper die 4 is provided with a die cavity 7, the lower surface of the top plate 3 is provided with a thimble 8, the bottom end of the thimble 8 is connected with a barb 9, the inner end of the upper die 4 is provided with a through groove 10, the thimble 8 is connected with the upper die 4 through the through groove 10, the lower end of the upper die 4 is provided with a chute 11, and the inner side of the sliding chute 11 is provided with a guide rail 12, the inner side of the sliding chute 11 is provided with a slide block 13, the side end of the slide block 13 is provided with a guide groove 14, the sliding block 13 is connected with the guide rail 12 through the guide groove 14, the inner side of the sliding block 13 is provided with a chute 15, and the sliding block 13 is connected with the thimble 8 through the chute 15;
the bottom groove 16 is arranged at the inner end of the lower die 5, the inner end of the bottom groove 16 is provided with a push rod 17, and the outer surface of the push rod 17 is provided with a spring 18.
High-temperature plastic is injected into the top end of the mold through an injection molding gun, the high-temperature plastic enters a cavity 7 in the mold along the inner end of a top plate 3 to be molded, a lug at the top end of a sliding block 13 can perform groove opening on a workpiece in the cavity 7, demolding is performed after injection molding is completed, a hydraulic rod 6 is started to enable an output end of the hydraulic rod to drive a lower mold 5 to move downwards along a positioning rod 2, an upper mold 4 simultaneously moves downwards under the influence of self weight at the moment, in the downwards moving process of the upper mold 4 and the lower mold 5, a thimble 8 is fixedly connected with the upper mold 4 to enable the thimble 8 to upwards slide along a through groove 10 in the inner end of the upper mold 4 and the inner end of the lower mold 5, and a sliding block 13 of a sliding groove 11 is in sliding connection with the thimble 8 through a chute 15, so that the sliding block 13 outwards moves along a guide rail 12 when the thimble 8 upwards slides, and the lug at the top end of the sliding block 13 is driven to be separated from the outer end of the workpiece.
The top rod 17 forms a sliding structure with the upper die 4 through the bottom groove 16, the top end of the bottom groove 16 is communicated with the bottom end of the cavity 7, and the top rod 17 forms an elastic structure with the lower die 5 through a spring 18.
The hydraulic rod 6 drives the lower die 5 to move downwards, the barb 9 at the bottom end of the ejector pin 8 is clamped with the bottom end of the chute 15, so that the position of the upper die 4 is fixed, when the bottom surface of the lower die 5 is attached to the upper surface of the base 1, the ejector rod 17 in the bottom groove 16 is extruded, the ejector rod 17 moves upwards and compresses the spring 18, and the top end of the ejector rod 17 ejects a workpiece out of the cavity 7 to automatically demold the workpiece.
The working principle is as follows: when the simplified needle plate for the front mold is used, according to the figures 1-5, firstly, the device is placed at a position to be operated, high-temperature plastic is injected into the top end of the mold through an injection molding gun, the high-temperature plastic enters a cavity 7 in the mold along the inner end of a top plate 3 for molding, a lug at the top end of a slide block 13 can perform groove opening on a workpiece in the cavity 7, demolding is performed after the injection molding is completed, a hydraulic rod 6 is started to drive an output end of the hydraulic rod to drive a lower mold 5 to move downwards along a positioning rod 2, at the moment, an upper mold 4 synchronously moves downwards under the influence of self weight, during the downward movement of the upper mold 4 and the lower mold 5, as the thimble 8 is fixedly connected with the upper mold 4, the thimble 8 slides upwards along a through groove 10 at the inner end of the upper mold 4 and the inner end of the lower mold 5, and as the slide block 13 at the inner end of a slide groove 11 is slidably connected with the thimble 8 through a chute 15, the slide block 13 moves outwards along a guide rail 12 when the thimble 8 slides upwards, the convex block at the top end of the slide block 13 is driven to be separated from the outer end of the workpiece, and the state is shown in figure 2;
the output end of the hydraulic rod 6 continues to be pressed downwards, so that the lower die 5 continues to move downwards, the barb 9 at the bottom end of the ejector pin 8 is clamped with the bottom end of the chute 15, the position of the upper die 4 is fixed, when the bottom surface of the lower die 5 is attached to the upper surface of the base 1, the ejector rod 17 in the bottom groove 16 is extruded, the ejector rod 17 moves upwards and compresses the spring 18, the top end of the ejector rod 17 can eject a workpiece out of the die cavity 7, automatic demolding is carried out, the state shown in the figure III is achieved, and the overall practicability is improved.
Those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. A simplified pin plate for a front die comprises a base (1), an upper die (4) and a lower die (5), wherein the upper end of the base (1) is provided with the upper die (4), and the lower end of the upper die (4) is provided with the lower die (5);
it is characterized by also comprising:
a positioning rod (2) mounted at the upper end of the base (1), a top plate (3) is mounted at the top end of the positioning rod (2), the outer side of the positioning rod (2) is communicated with an upper die (4) and a lower die (5), a hydraulic rod (6) is mounted at the side end of the top plate (3), the output end of the hydraulic rod (6) is connected with the side end of the lower die (5), a cavity (7) is formed at the inner end of the upper die (4), a thimble (8) is mounted at the lower surface of the top plate (3), a barb (9) is connected at the bottom end of the thimble (8), a through groove (10) is formed at the inner end of the upper die (4), the thimble (8) is communicated with the upper die (4) through the through groove (10), a sliding groove (11) is formed at the lower end of the upper die (4), a guide rail (12) is mounted at the inner side of the sliding groove (11), and a sliding block (13) is arranged at the inner side of the sliding groove (11), a guide groove (14) is formed in the side end of the sliding block (13), the sliding block (13) is connected with the guide rail (12) through the guide groove (14), a chute (15) is formed in the inner side of the sliding block (13), and the sliding block (13) is in penetrating connection with the ejector pin (8) through the chute (15);
the bottom groove (16) is arranged at the inner end of the lower die (5), an ejector rod (17) is arranged at the inner end of the bottom groove (16), and a spring (18) is arranged on the outer surface of the ejector rod (17).
2. The simplified needle plate for the front mold according to claim 1, characterized in that four sets of positioning rods (2) are uniformly distributed on the upper end of the base (1), the top ends of the positioning rods (2) are fixedly connected with the top plate (3), and the positioning rods (2) are slidably connected with the upper mold (4) and the lower mold (5).
3. A simplified faller bar for a front mould as claimed in claim 1 wherein said thimble (8) is slidably connected to the top mould (4) via a through slot (10), and the thimble (8) is inclined in elevation and the thimble (8) is slidably connected to the bottom mould (5).
4. The simplified needle plate for the front mold according to claim 1, characterized in that the sliding grooves (11) are symmetrically distributed at the bottom end of the upper mold (4) and provided with two sets, the guide rails (12) are symmetrically distributed and provided with two sets in the sliding grooves (11), and the sliding blocks (13) and the guide rails (12) form a sliding structure through the guide grooves (14).
5. A simplified faller bar for a front mould as claimed in claim 1 wherein said slider (13) forms a sliding arrangement with the thimble (8) via a tapered slot (15) and the thimble (8) forms a snap-fit arrangement with the tapered slot (15) via the barb (9).
6. A simplified faller bar for a front mould as claimed in claim 1 wherein said top bar (17) forms a sliding arrangement with the top mould (4) via a bottom slot (16) and the top end of the bottom slot (16) communicates with the bottom end of the mould cavity (7) and the top bar (17) forms a resilient arrangement with the bottom mould (5) via a spring (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220133802.XU CN216968404U (en) | 2022-01-18 | 2022-01-18 | Simplified needle plate for front mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220133802.XU CN216968404U (en) | 2022-01-18 | 2022-01-18 | Simplified needle plate for front mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216968404U true CN216968404U (en) | 2022-07-15 |
Family
ID=82351098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220133802.XU Expired - Fee Related CN216968404U (en) | 2022-01-18 | 2022-01-18 | Simplified needle plate for front mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216968404U (en) |
-
2022
- 2022-01-18 CN CN202220133802.XU patent/CN216968404U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220715 |