CN205915623U - Revolve transformed into pumping core injection mold - Google Patents
Revolve transformed into pumping core injection mold Download PDFInfo
- Publication number
- CN205915623U CN205915623U CN201620721387.4U CN201620721387U CN205915623U CN 205915623 U CN205915623 U CN 205915623U CN 201620721387 U CN201620721387 U CN 201620721387U CN 205915623 U CN205915623 U CN 205915623U
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- CN
- China
- Prior art keywords
- core
- mobile base
- fixed seat
- injection mold
- hydraulic motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a revolve transformed into pumping core injection mold, it includes movable mould subtotal cover half part, can form the die cavity of moulding plastics during two parts compound die, the movable mould part includes the movable mould board, and it has rotatory core, its characterized in that to hinge on the movable mould board: this mould revolves transformed into pumping core mechanism and includes the fixing base and move the seat still including revolving transformed into pumping core mechanism, and the fixing base fastening connection moves seat sliding connections and on the fixing base, is provided with the transmission rack that is used for the drive to move the seat on the removal seat on the movable mould board, it still includes hydraulic motor, gearbox, drive gear and pull rod to revolve transformed into pumping core mechanism, the hydraulic motor transmission is connected to the gearbox, the drive gear fastening on the power output shaft of gearbox and the transmission rack between intermeshing, the both ends of pull rod are articulated to rotatory core with on moving the seat respectively, hydraulic motor starts the back, and power conveys to gear -rack transmission mechanism through the gearbox, and the rethread moves the seat and the rotatory core of pull rod drive revolves the transformed into pumping core. With low costs, small, the stroke wide range of loosing core.
Description
Technical field
This utility model belongs to injection molding technology field, specifically discloses a kind of rotation being driven by hydraulic motor and its change speed gear box
Turn loose-core injection mould.
Background technology
When including the product at back-off position injection being completed using auxiliary core, due to often inlaying in back-off position or
Sandwich the part-structure having auxiliary core, plastic can not pass through the ejection smoothly demoulding of thimble, at this time needs on mould
Setting core-pulling mechanism, first by auxiliary core inlay or sandwiches position pass through rotation or linear motion extract out plastic, then again by
Product ejects.Hydraulic oil cylinder driving rotary core pulling action is generally adopted, conventional drive mechanism generally comprises oil cylinder, cunning in prior art
Block, chute and connecting rod, the two ends of connecting rod be respectively hinged to slide block and need rotary core pulling auxiliary core on；Hydraulic oil cylinder driving
Slide block along chute move along a straight line when, drivening rod is synchronized with the movement, need rotary core pulling auxiliary core connecting rod effect
Under rotate, gradually will inlay or sandwich position and rotate extraction from plastic.Structure using hydraulic oil cylinder driving rotary core pulling is deposited
In following problem: because the flexible interval of oil cylinder is limited, limit the stroke size of rotary core pulling, when the rotation needing larger is taken out
During core stroke, need the driving oil cylinder using big specification, so can increase the cost of manufacture of mould and the spatial volume of mould,
The specification of supporting injection molding machine and cost be consequently increased.
Utility model content
For the problems referred to above, this utility model provides a kind of employing hydraulic motor as the rotary core pulling note of drive mechanism
Mould, this injection mold realizes power from hydraulic motor to the transmission of pull bar by gear, tooth bar, have core pulling stroke wide,
Equipment occupation space is little and the remarkable advantage of Mold Making low cost.
Particularly as follows: a kind of rotary core pulling injection mold, including dynamic model part and cover half part, cover half part includes cover half
Plate, solid plate is provided with cover half die cavity；Dynamic model part includes moving platen, and moving platen is provided with fixing core and rotary-type
Core, rotating core is hinged on moving platen；Cover half die cavity and fixing core and rotating core can form injection in matched moulds
Die cavity it is characterised in that: rotary core pulling injection mold also includes rotating core-pulling mechanism, and rotating core-pulling mechanism includes fixed seat and shifting
Dynamic seat, fixed seat is fastenedly connected on moving platen, and Mobile base slidable connection, in fixed seat, Mobile base is provided with for driving
The driving rack of dynamic Mobile base；Rotating core-pulling mechanism also includes hydraulic motor, change speed gear box, travelling gear and pull bar；Hydraulic motor
Be in transmission connection change speed gear box, and travelling gear is fastened on the power output shaft of change speed gear box and intermeshes and driving rack between；
The two ends of pull bar are respectively hinged on rotating core and Mobile base；After starting hydraulic motor, power is sent to transmission through change speed gear box
Gear and driving rack, then core rotary core pulling is rotated by Mobile base and pull bar.
Further, in the rotary core pulling injection mold that this utility model provides, cover half part also includes thermal insulation board dough-making powder
Plate, is fastenedly connected between thermal insulation board, panel and solid plate successively.
Further, in the rotary core pulling injection mold that this utility model provides, dynamic model part also includes base plate, thimble bottom
Plate, thimble panel and square iron；Set up by bolt between moving platen, square iron and base plate be fastenedly connected and in moving platen and base plate it
Between be formed with ejector retainner plate accommodation space, Ejector Retainer Plate and thimble panel are arranged in ejector retainner plate accommodation space；Hydraulic motor and change
Fast case is arranged on base plate, positioned at the outside of ejector retainner plate accommodation space and with fixed seat in correspondence with each other；Correspond in fixed seat and become
The position of fast case power output shaft offers power output shaft pilot hole and the bearing for fixing speed changing box power output shaft；
The position corresponding to travelling gear in fixed seat offers the gear installation position for installing travelling gear.
Further, fixed seat in the rotary core pulling injection mold that this utility model provides is provided with for Mobile base motion
Mobile base chute, Mobile base is arranged in this Mobile base chute；Mobile base is boss structure, and fixed seat corresponds to Mobile base
The position of both sides convex edge is additionally provided with the briquetting for coordinating convex edge.
Further, in the rotary core pulling injection mold that this utility model provides, driving rack is arranged on the bottom of Mobile base
Position, the bottom land of Mobile base chute is additionally provided with the tooth bar movement slots for driving rack motion.
This utility model beneficial effect compared to existing technology:
In the presence of fluid motor-driven power, power is sent on pull bar from change speed gear box through gear/gear strip transmission mechanism,
Again core core pulling backward is rotated by pull bar, because rotating core is hinged on moving platen by bearing pin connector, rotary-type
The movement locus of core are circular arc.After one segment distance, rotating core departs from back-off region, and mould core pulling completes.Conventional structure needs
Using hydraulic oil cylinder driving rotating core, because rotating core stroke is long, after mould installion oil cylinder, overall requisite space is very big, supporting
Injection molding machine volume is also big.Mechanism employs hydraulic motor and change speed gear box drives rotating core, and structure is simple, stable, takes out
Core stroke is wide, and installing space very little greatly reduces equipment occupation space, decreases Mold Making cost.
Below in conjunction with Figure of description and specific embodiment, the rotary core pulling injection mold that this utility model provides is carried out
It is discussed in detail.
Brief description
Fig. 1: the structural representation of dynamic model part in preferred embodiment.
The exploded view of the rotating core-pulling mechanism in Fig. 2: Fig. 1.
Wherein:
1- moving platen, 2- base plate, 3- square iron, 4- Ejector Retainer Plate, 5- thimble panel；
11- fixes core, 12- rotating core, 13- bearing pin connector；
21- hydraulic motor, 22- change speed gear box, 23- fixed seat, 24- Mobile base, 25- pull bar, 26- driving rack, 27- is driven
Gear；231- tooth bar movement slots, 232- gear installation position, 233- briquetting.
Specific embodiment
Rotary core pulling injection mold disclosed in preferred embodiment includes dynamic model part and cover half part.
Cover half part includes thermal insulation board, panel and the solid plate being fastenedly connected successively, and thermal insulation board carrys out self-thermo furnace for shielding
With the heat of glue rifle, panel is used for realizing the installation between cover half part and injection machine and fixation, and solid plate is provided with cover half
Die cavity, cover half die cavity is used for coordinating dynamic model part to form injection die cavities.
See Fig. 1 and Fig. 2, dynamic model part includes moving platen 1, base plate 2, square iron 3, Ejector Retainer Plate 4 and thimble panel 5.Dynamic model
Set up by bolt between plate 1, base plate 2 and square iron 3 and be fastenedly connected, be formed with for installing thimble between moving platen 1 and base plate 2
The ejector retainner plate accommodation space of base plate 4 and thimble panel 5.Adopt fastened by screw integral simultaneously between Ejector Retainer Plate 4 and thimble panel 5
It is simultaneously attached in ejector retainner plate accommodation space.The size of base plate 2 is more than the size of moving platen 1, Ejector Retainer Plate 4 and thimble panel 5,
Ejector retainner plate accommodation space is located at the centre position of base plate 2, and the both sides indwelling of base plate 2 has the room for installing miscellaneous part.Dynamic
Dynamic mould core for coordinating cover half die cavity is provided with template 1, dynamic mould core includes fixing core 11 and 12 liang of rotating core
Part.It is fastenedly connected between fixing core 11 and moving platen 1 or is integrally formed, it is hinged that rotating core 12 passes through bearing pin connector 13
On moving platen 1.After injection mo(u)lding, the part-structure of rotating core 12 is embedded in plastic, by rotating core 12 core pulling rear
The smooth demoulding of achievable plastic.
Dynamic model partly on be provided with rotating core-pulling mechanism for realizing rotating core 12 core pulling.Rotating core-pulling mechanism includes
Hydraulic motor 21, change speed gear box 22, fixed seat 23, Mobile base 24 and pull bar 25.Hydraulic motor 21 and its change speed gear box 22 fixedly mount
It is located at the side outside ejector retainner plate accommodation space on a base plate 2；Fixed seat 23 is fixed on moving platen 1, and fixed seat 23 is arranged
There is the Mobile base chute for installing Mobile base 24, Mobile base 24 can be slidably mounted in Mobile base chute.The two ends of pull bar 25
It is respectively hinged on rotating core 12 and Mobile base 24.The bottom position (close to the position of Mobile base chute bottom land) of Mobile base 24
It is provided with driving rack 26, the power output shaft of change speed gear box 22 is fastenedly connected with travelling gear 27, driving rack 26 and transmission
Intermesh between gear 27.The position corresponding to driving rack 26 on the bottom land of Mobile base chute offers for installing transmission
Tooth bar 26 and do the tooth bar movement slots 231 of dealing campaign for driving rack 26, the neighbouring position of tooth bar movement slots 231 is provided with
For installing the gear installation position 232 of travelling gear 27.It is additionally provided with fixed seat 23 for passing through and housing gearbox dynamic
The power output shaft pilot hole of output shaft and the bearing (not shown) for fixing speed changing box power output shaft, change speed gear box
22 power output shaft stretches in gear installation position 232 after passing through power output shaft pilot hole and is fixed on fixed seat 23 by bearing
On.During hydraulic motor 21 operating, power is sent to gear/rack 26/27 drive mechanism through change speed gear box 22, then by driving rack 26
Drive Mobile base 24 and pull bar 25 to move, realize rotating core 12 clockwise or counterclockwise.
In addition, in order to ensure Mobile base 24 along Mobile base chute dealing slide when stationarity, and matched moulds and die sinking when
Mobile base 24 does not take off groove, and in the present embodiment, Mobile base 24 is boss structure on the whole, at Mobile base chute both sides in fixed seat 23
It is also respectively provided with the briquetting 233 for coordinating Mobile base 24 both sides convex edge.
Claims (5)
1. a kind of rotary core pulling injection mold, including dynamic model part and cover half part, described cover half part includes solid plate, described
Cover half die cavity is provided with solid plate；Described dynamic model part includes moving platen, and described moving platen is provided with fixing core and rotation
Transition core, described rotating core is hinged on described moving platen；Described cover half die cavity and described fixing core and rotating core
Injection die cavities can be formed in matched moulds it is characterised in that: described rotary core pulling injection mold also includes rotating core-pulling mechanism, institute
State rotating core-pulling mechanism and include fixed seat and Mobile base, described fixed seat is fastenedly connected on described moving platen, described Mobile base
Slidable connection, in described fixed seat, described Mobile base is provided with the driving rack for driving described Mobile base；Described
Rotating core-pulling mechanism also includes hydraulic motor, change speed gear box, travelling gear and pull bar；Described hydraulic motor transmission is connected to described change
Fast case, described travelling gear is fastened on the power output shaft of described change speed gear box and intermeshes and described driving rack between；
The two ends of described pull bar are respectively hinged on described rotating core and described Mobile base；After starting hydraulic motor, power is through speed change
Case is sent to travelling gear and driving rack, then core rotary core pulling is rotated by described Mobile base and pull bar.
2. rotary core pulling injection mold according to claim 1 it is characterised in that: described cover half part also includes thermal insulation board
And panel, it is fastenedly connected successively between described thermal insulation board, panel and described solid plate.
3. rotary core pulling injection mold according to claim 1 it is characterised in that: described dynamic model part also include base plate,
Ejector Retainer Plate, thimble panel and square iron；Set up by bolt between described moving platen, square iron and base plate and be fastenedly connected and in described
It is formed with ejector retainner plate accommodation space, described Ejector Retainer Plate and thimble panel are arranged on described ejector retainner plate and hold between moving platen and base plate
It is empty interior；Described hydraulic motor and change speed gear box are arranged on described base plate, positioned at the outside of ejector retainner plate accommodation space and with institute
State fixed seat in correspondence with each other；The position corresponding to speed changing box power output shaft in described fixed seat offers power output shaft assembling
Hole and the bearing for fixing described speed changing box power output shaft；The position of described travelling gear is corresponded on described fixed seat
Offer the gear installation position for installing described travelling gear.
4. rotary core pulling injection mold according to claim 3 it is characterised in that: be provided with for described in described fixed seat
The Mobile base chute of Mobile base motion, described Mobile base is arranged in this Mobile base chute；Described Mobile base is boss structure, institute
State the position corresponding to described Mobile base both sides convex edge in fixed seat and be additionally provided with the briquetting for coordinating convex edge.
5. rotary core pulling injection mold according to claim 4 it is characterised in that: described driving rack is arranged on described shifting
The bottom position of dynamic seat, the bottom land of described Mobile base chute is additionally provided with the tooth bar movement slots for the motion of described driving rack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620721387.4U CN205915623U (en) | 2016-07-08 | 2016-07-08 | Revolve transformed into pumping core injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620721387.4U CN205915623U (en) | 2016-07-08 | 2016-07-08 | Revolve transformed into pumping core injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205915623U true CN205915623U (en) | 2017-02-01 |
Family
ID=57875625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620721387.4U Expired - Fee Related CN205915623U (en) | 2016-07-08 | 2016-07-08 | Revolve transformed into pumping core injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205915623U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106863714A (en) * | 2017-02-22 | 2017-06-20 | 台州贝力得模塑有限公司 | A kind of injection mold |
| CN112936765A (en) * | 2021-03-19 | 2021-06-11 | 重庆持恒模具有限公司 | Core pulling mechanism for inward opening handle of vehicle door |
-
2016
- 2016-07-08 CN CN201620721387.4U patent/CN205915623U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106863714A (en) * | 2017-02-22 | 2017-06-20 | 台州贝力得模塑有限公司 | A kind of injection mold |
| CN106863714B (en) * | 2017-02-22 | 2018-12-28 | 台州贝力得模塑有限公司 | A kind of injection mold |
| CN112936765A (en) * | 2021-03-19 | 2021-06-11 | 重庆持恒模具有限公司 | Core pulling mechanism for inward opening handle of vehicle door |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20170201 Termination date: 20180708 |