CN212472226U - Convenient injection mold of drawing of patterns - Google Patents
Convenient injection mold of drawing of patterns Download PDFInfo
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- CN212472226U CN212472226U CN202020076445.9U CN202020076445U CN212472226U CN 212472226 U CN212472226 U CN 212472226U CN 202020076445 U CN202020076445 U CN 202020076445U CN 212472226 U CN212472226 U CN 212472226U
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Abstract
The utility model relates to an injection mold field discloses a convenient injection mold of drawing of patterns. The device comprises a mold base, an upper mold base, a lower mold base, an auxiliary demolding ventilation assembly and a stable demolding assembly. Install the bed die seat on the mould base, be provided with two guide posts in the both sides of bed die seat, the bed die passes through the guide post and is connected with the bed die seat, and the bed die seat is formed with the mould chamber with the bed die seat, is provided with in the bottom in mould chamber and stabilizes drawing of patterns subassembly, and the drawing of patterns subassembly of stabilizing includes activity main drawing of patterns post, activity auxiliary drawing of patterns post, drive ball, drive post, driven helical gear, initiative helical gear and dwang. An auxiliary demoulding ventilation assembly is arranged in the lower mould seat. The utility model discloses an adopt the setting of stabilizing drawing of patterns subassembly and supplementary drawing of patterns ventilation subassembly, avoided the strong drawing of patterns, make forming die when ejecting, the atress is even, and ejecting convenience has improved forming die's surface quality, has increased the fashioned efficiency of mould simultaneously.
Description
Technical Field
The utility model relates to an injection mold field, in particular to convenient injection mold of drawing of patterns.
Background
The injection mold is a tool for producing plastic products, is also a tool for endowing the plastic products with complete structures and accurate sizes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from high pressure, and obtaining a finished product after cooling and solidification. The existing injection mold is used for naturally cooling a finished product during injection molding, the cooling time of the cooling mode is long, the working efficiency of the forming mold is reduced, the production and processing requirements are not facilitated, and the service life of the mold is also reduced. Meanwhile, after the injection molding of the mold, the injection molding cavity is in a vacuum state, so that the pressure of the molding mold in the mold cavity is very tight, the demolding is difficult, the demolding stress of the product is uneven, the product is damaged, and the quality of the product is reduced.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a convenient injection mold of drawing of patterns through adopting the setting of stabilizing drawing of patterns subassembly and supplementary drawing of patterns ventilation subassembly, has avoided the strong drawing of patterns, makes forming die when ejecting, and the atress is even, and ejecting convenience has improved forming die's surface quality, has increased the fashioned efficiency of mould simultaneously.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
an injection mold convenient for demolding comprises a mold base, an upper mold base, a lower mold base, an auxiliary demolding ventilation assembly and a stable demolding assembly; the lower die base is arranged on the die base, two guide columns are arranged on two sides of the lower die base, and the upper die base is connected with the lower die base through the guide columns; a die cavity is formed between the upper die base and the lower die base, the bottom of the die cavity is provided with the stable demoulding assembly, and the stable demoulding assembly comprises a movable main demoulding column, a movable auxiliary demoulding column, a driving ball, a driving column, a driven helical gear, a driving helical gear and a rotating rod; the mould base is horizontally provided with the rotating rod, the rotating rod is sleeved with the driving bevel gear, the lower mould base is vertically provided with the movable main demoulding column, the driving column is connected with the movable main demoulding column in a threaded manner, the driving column is sleeved with the driven bevel gear, and the driven bevel gear is meshed with the driving bevel gear; a ball spiral groove spirally surrounding the surface of the movable main demoulding column is formed in the upper part of the movable main demoulding column, a ball retaining hole is formed in the lower mould seat, the driving balls are arranged in the ball retaining hole and are positioned on two sides of the movable main demoulding column, and the driving balls are clamped in the ball spiral groove; the movable auxiliary stripping columns are arranged on two sides of the surface of the movable main stripping column; the lower die base is internally provided with the auxiliary demolding ventilation assembly, and the auxiliary demolding ventilation assembly comprises a fan and a first ventilation pipeline; one side of mould base is provided with the air intake install in the mould base the fan the air-out end of fan is connected with first air pipe, first air pipe stretches into the bed die seat with activity owner drawing of patterns post intercommunication be provided with in the activity owner drawing of patterns post and run through the second ventilation passageway of activity owner drawing of patterns post diameter direction, the second ventilation passageway with first ventilation passageway intercommunication.
As a preferred scheme of the utility model, two sides of the mold cavity are provided with ejection assemblies, and each ejection assembly comprises an ejection spring seat, a support spring and an ejection plate; the lower die base is internally provided with the mounting groove, the mounting groove is internally provided with the ejection spring seat, the ejection spring seat is vertically provided with the supporting spring, the supporting spring is sleeved with the ejection plate, and the ejection plate is abutted to the upper die base.
As an optimized scheme of the utility model be provided with the constant head tank in going up the mould seat be provided with positioning lug on the bed die seat, positioning lug with the constant head tank cooperation one side of going up the mould seat is provided with spacing bolt, spacing bolt passes go up the mould seat with positioning lug threaded connection.
As a preferable aspect of the present invention, an electric control valve for opening and closing the air circulation in the first ventilation duct is provided in the first ventilation duct.
As an optimized proposal of the utility model, a sprue gate is arranged in the upper die base, the sprue gate is communicated with the die cavity.
As an optimized proposal of the utility model, the movable main demoulding column and the movable auxiliary demoulding column are both provided with a protection pad.
As an optimized proposal of the utility model, a rotating handle is arranged on the rotating rod.
To sum up, the utility model discloses following beneficial effect has: the utility model discloses an adopt the setting of stabilizing drawing of patterns subassembly and supplementary drawing of patterns ventilation subassembly, avoided the strong drawing of patterns, make forming die when ejecting, the atress is even, and ejecting convenience has improved forming die's surface quality, has increased the fashioned efficiency of mould simultaneously.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1-pouring gate 2-upper die base 3-positioning lug 4-positioning groove
5-limiting bolt 6-die cavity 7-second ventilation channel 8-driving ball
9-ball spiral groove 10-movable auxiliary demoulding column 11-movable main demoulding column 12-driving column
13-rotating handle 14-mould base 15-rotating rod 16-driving bevel gear
17-driven bevel gear 18-fan 19-first ventilation channel 20-air inlet
21-lower die base 22-electric control valve 23-protective pad 24-ejection spring seat
25-support spring 26-mounting groove 27-ejector plate 28-guide post.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
As shown in figure 1, the utility model relates to a convenient injection mold of drawing of patterns, including mould base 14, last mould base 2, bed die base 21, supplementary drawing of patterns ventilation subassembly and stable drawing of patterns subassembly.
Specifically, a lower die base 21 is mounted on the die base 14, two guide posts 28 are disposed on two sides of the lower die base 21, and the upper die base 2 is connected to the lower die base 21 through the guide posts 28. Go up mould seat 2 and lower mould seat 21 and be formed with mould cavity 6, be provided with sprue gate 1 in last mould seat 2, sprue gate 1 and mould cavity 6 intercommunication. And a stable demoulding component is arranged at the bottom of the mould cavity 6 and comprises a movable main demoulding column 11, a movable auxiliary demoulding column 10, a driving ball 8, a driving column 12, a driven bevel gear 17, a driving bevel gear 16 and a rotating rod 15. The mould base 14 is provided with a rotating rod 15 horizontally, the rotating rod 15 is provided with a rotating handle 13, the rotating rod 15 is sleeved with a driving bevel gear 16, the lower mould base 21 is vertically provided with a movable main demoulding column 11, the movable main demoulding column 11 is internally threaded with a driving column 12, the driving column 12 is sleeved with a driven bevel gear 17, and the driven bevel gear 17 is meshed with the driving bevel gear 16. The upper part of the movable main demoulding column 11 is provided with a ball spiral groove 9 spirally surrounding the surface of the movable main demoulding column 11, a ball retaining hole is arranged on the lower die seat 21, a driving ball 8 is arranged in the ball retaining hole, the driving ball 8 is positioned at two sides of the movable main demoulding column 11, and the driving ball 8 is clamped in the ball spiral groove 9 and used for enabling the movable main demoulding column 11 to stably move up and down. The movable auxiliary stripping columns 10 are arranged on two sides of the surface of the movable main stripping column 11, so that the movable auxiliary stripping column is stressed uniformly during ejection and is convenient to demold. By rotating the rotating handle 13, the rotating rod 15 and the driving bevel gear 16 rotate to drive the driven bevel gear 17 and the driving column 12 to rotate, so that the movable main demoulding column 11 and the movable auxiliary demoulding column 10 perform lifting movement for ejecting out a forming mould. Wherein, the movable main demoulding column 11 and the movable auxiliary demoulding column 10 are both provided with a protection pad 23 for protecting the surface quality of the forming mould during the ejection.
Further, an auxiliary stripping ventilation assembly is installed in the lower die base 21, and the auxiliary stripping ventilation assembly comprises a fan 18 and a first ventilation duct 19. Be provided with air intake 20 in one side of mould base 14, install fan 18 in mould base 14, air-out end at fan 18 is connected with first air pipe 19, first air pipe 19 stretches into bed die seat 21 and the main drawing of patterns post 11 intercommunication of activity, be provided with the second ventilation passageway that runs through the main drawing of patterns post 11 diameter direction of activity in the main drawing of patterns post 11 of activity, second ventilation passageway and first ventilation passageway intercommunication, setting through supplementary drawing of patterns ventilation subassembly, make original mould chamber 6 when the shaping drawing of patterns, it is more convenient, the forced demoulding has been avoided, can also carry out quick shaping to injection mold simultaneously, the efficiency of the drawing of patterns has been improved. An electrically controlled valve 22 for opening and closing the first ventilation duct 19 to allow the gas to flow through is provided in the first ventilation duct 19.
In the above, the ejector assembly including the ejector spring seat 24, the support spring 25, and the ejector plate 27 is provided on both sides of the mold cavity 6. Be provided with mounting groove 26 in lower die holder 21, install ejecting spring holder 24 in mounting groove 26, the vertical supporting spring 25 that is provided with on ejecting spring holder 24, the cover is equipped with ejector plate 27 on supporting spring 25, ejector plate 27 offsets with last die holder 2 for the separation of convenient last die holder 2 and lower die holder 21 has improved the smooth and easy nature of forming die drawing of patterns. Be provided with constant head tank 4 in last mould seat 2, be provided with positioning lug 3 on lower mould seat 21, positioning lug 3 and the cooperation of constant head tank 4, one side at last mould seat 2 is provided with spacing bolt 5, spacing bolt 5 passes last mould seat 2 and 3 threaded connection of positioning lug, not only make last mould seat 2 and lower mould seat 21 have the positioning action when processing, mould seat 2 and lower mould seat 21 in the further locking of moulding plastics in addition, the shaping quality and the pleasing to the eye degree of injection molding have been improved.
The utility model discloses an action principle process: when the mold is formed and ejected, the limiting bolt 5 is firstly screwed out of the positioning lug 3, and the ejecting plate 27 slightly ejects the upper mold base 2 upwards through the spring force of the supporting spring 25. Starting the fan 18, opening the electric control valve 22 to enable the first ventilation channel and the second ventilation channel 7 to have air circulation, at this time, rotating the rotating handle 13 to enable the rotating rod 15 and the driving bevel gear 16 to rotate, driving the driven bevel gear 17 and the driving column 12 to rotate, enabling the movable main demoulding column 11 and the movable auxiliary demoulding column 10 to perform ascending movement, and ejecting out the forming mould.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. An injection mold convenient for demolding is characterized by comprising a mold base, an upper mold base, a lower mold base, an auxiliary demolding ventilation assembly and a stable demolding assembly; the lower die base is arranged on the die base, two guide columns are arranged on two sides of the lower die base, and the upper die base is connected with the lower die base through the guide columns; a die cavity is formed between the upper die base and the lower die base, the bottom of the die cavity is provided with the stable demoulding assembly, and the stable demoulding assembly comprises a movable main demoulding column, a movable auxiliary demoulding column, a driving ball, a driving column, a driven helical gear, a driving helical gear and a rotating rod; the mould base is horizontally provided with the rotating rod, the rotating rod is sleeved with the driving bevel gear, the lower mould base is vertically provided with the movable main demoulding column, the driving column is connected with the movable main demoulding column in a threaded manner, the driving column is sleeved with the driven bevel gear, and the driven bevel gear is meshed with the driving bevel gear; a ball spiral groove spirally surrounding the surface of the movable main demoulding column is formed in the upper part of the movable main demoulding column, a ball retaining hole is formed in the lower mould seat, the driving balls are arranged in the ball retaining hole and are positioned on two sides of the movable main demoulding column, and the driving balls are clamped in the ball spiral groove; the movable auxiliary stripping columns are arranged on two sides of the surface of the movable main stripping column; the lower die base is internally provided with the auxiliary demolding ventilation assembly, and the auxiliary demolding ventilation assembly comprises a fan and a first ventilation pipeline; one side of mould base is provided with the air intake install in the mould base the fan the air-out end of fan is connected with first air pipe, first air pipe stretches into the bed die seat with activity owner drawing of patterns post intercommunication be provided with in the activity owner drawing of patterns post and run through the second ventilation passageway of activity owner drawing of patterns post diameter direction, the second ventilation passageway with first ventilation passageway intercommunication.
2. The injection mold convenient to demold as defined in claim 1, wherein an ejection assembly is disposed at both sides of the mold cavity, the ejection assembly comprising an ejection spring seat, a support spring and an ejection plate; the lower die base is internally provided with a mounting groove, the mounting groove is internally provided with the ejection spring seat, the ejection spring seat is vertically provided with the supporting spring, the supporting spring is sleeved with the ejection plate, and the ejection plate is abutted to the upper die base.
3. The easy-to-demold injection mold of claim 1, wherein a positioning groove is formed in the upper mold base, a positioning protrusion is formed on the lower mold base, the positioning protrusion is engaged with the positioning groove, and a limit bolt is formed on one side of the upper mold base, and passes through the upper mold base and is in threaded connection with the positioning protrusion.
4. The easy-to-demold injection mold according to claim 1, wherein an electrically controlled valve for opening and closing the flow of gas in the first ventilation duct is disposed in the first ventilation duct.
5. The easy-to-demold injection mold of claim 1 wherein a sprue gate is disposed within the upper mold base, the sprue gate communicating with the mold cavity.
6. The easy-to-demold injection mold of claim 1, wherein protective pads are disposed on both the movable main demolding column and the movable auxiliary demolding column.
7. The easy-to-demold injection mold according to claim 1, wherein a rotating handle is provided on the rotating rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020076445.9U CN212472226U (en) | 2020-01-14 | 2020-01-14 | Convenient injection mold of drawing of patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020076445.9U CN212472226U (en) | 2020-01-14 | 2020-01-14 | Convenient injection mold of drawing of patterns |
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| Publication Number | Publication Date |
|---|---|
| CN212472226U true CN212472226U (en) | 2021-02-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020076445.9U Active CN212472226U (en) | 2020-01-14 | 2020-01-14 | Convenient injection mold of drawing of patterns |
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| CN (1) | CN212472226U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334695A (en) * | 2021-06-18 | 2021-09-03 | 苏州鼎坚模具有限公司 | Portable demolding ejection structure of mold |
| CN113997515A (en) * | 2021-10-23 | 2022-02-01 | 上海鼎瑞模具科技有限公司 | Injection mold easy to demould |
-
2020
- 2020-01-14 CN CN202020076445.9U patent/CN212472226U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113334695A (en) * | 2021-06-18 | 2021-09-03 | 苏州鼎坚模具有限公司 | Portable demolding ejection structure of mold |
| CN113997515A (en) * | 2021-10-23 | 2022-02-01 | 上海鼎瑞模具科技有限公司 | Injection mold easy to demould |
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