CN206840648U - A kind of pneumatic jack core bar device of injection mold pneumatic jack assisted demoulding - Google Patents
A kind of pneumatic jack core bar device of injection mold pneumatic jack assisted demoulding Download PDFInfo
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- CN206840648U CN206840648U CN201720759462.0U CN201720759462U CN206840648U CN 206840648 U CN206840648 U CN 206840648U CN 201720759462 U CN201720759462 U CN 201720759462U CN 206840648 U CN206840648 U CN 206840648U
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Abstract
The utility model provides a kind of pneumatic jack core bar device of injection mold pneumatic jack assisted demoulding, including pneumatic jack core bar, sealing ring, core, dynamic model support plate.The pneumatic jack core bar that the utility model uses is provided with head, the body of rod, bar pin, air guide face, ring air drain, and core is provided with rod aperture, and dynamic model support plate is provided with air flue；Head diameter is less than 0.1~0.2 millimeter of shank diameter；Body of rod stationary fit is located in rod aperture, and the gap between air guide face and rod aperture is referred to as air guide and stitched, and the gap that the difference of the diameter of head and rod aperture is formed is referred to as air cleft；Air guide seam is communicated with air flue, and sealing ring is sealed between pin hole, core and dynamic model support plate；During the demoulding, first, compressed air by air flue, air guide seam, ring air drain and go out air cleft enter form malleation air cushion layer between core and deep chamber product, core is forced to produce loosening with deep chamber product, afterwards, the technical scheme of push rod pushing tow depth chamber article removal, makes the demoulding of deep chamber product injection mould, has reached purpose that is safe and reliable, improving efficiency, reduce cost.
Description
Technical field
A kind of stripper apparatus of injection mold, in particular to the injection mold for deep chamber product are the utility model is related to,
While deep chamber article removal is ejected, a kind of injection mold pneumatic jack that pneumatic jack assisted demoulding is carried out by compressed air aids in taking off
The pneumatic jack core bar device of mould.
Background technology
In injection-molded item, the closing of wall shell, there are bottom, chamber depth size to be more than the container class systems such as the bucket, box, case of five times of wall thickness dimension
Product are referred to as deep chamber product；Because the cladding power between deep chamber product and mold cores is big, it is adhered in addition and suction function, causes depth
Chamber article removal is difficult；
The demoulding for deep chamber product, prior art are joined using push pedal, pneumatic jack or the push rod demoulding, also push pedal with pneumatic jack
Close, push rod is combined with pneumatic jack, or push pedal, pneumatic jack and push rod combination demolding；So-called pneumatic jack, it is the setting air at mold cores
The tip, deep chamber product break away from moulds core is advertised using compressed air, the air tip is a kind of gas for the demoulding of mould pneumatic jack
Flow the standardized component of switch；In actual applications, it is unreliable using the demoulding work of air tip pneumatic jack merely, it is hidden to there is safety
Suffer from, in the moment of deep chamber article removal, because product has propped up the air tip, air pressure is small, and the air tip is difficult to open, air pressure increase,
The air tip easily goes out core, and damage product even can injure mould and operating personnel；Using push pedal and pneumatic jack combination demolding, adopt
With push rod and pneumatic jack combination demolding, or push pedal, pneumatic jack and the demoulding of push rod combination method, joint pneumatic jack no matter is whether there is, is opened in the air tip
Qi Qian, push pedal or push rod are easy to product top is white, bursting or top deformation, unavoidable measure are that the demoulding is increased on core
The quantity for spray of agent, or eliminated the top white point hot blast of product with electrothermal blowing；Working strength is big, and efficiency is low, and defective products rate is high, comprehensive
Synthesize this height, therefore, prior art is present it is unreliable, dangerous, efficiency is low, cost is high the problem of with deficiency.
The content of the invention
For the above-mentioned problems of the prior art and deficiency, the utility model is used by pneumatic jack core bar, sealing ring, type
The device that core, dynamic model support plate are formed, wherein, pneumatic jack core bar is provided with head, the body of rod, bar pin, air guide face, ring air drain, is set in core
There is rod aperture, air flue is provided with dynamic model support plate；The diameter of the head is less than 0.1~0.2 millimeter of the diameter of the body of rod；The bar
Body stationary fit is located in the rod aperture, and the gap formed between the air guide face and the rod aperture is referred to as air guide seam, the air guide
The radial direction spacing of seam is 0.2 millimeter, and the gap that the difference of diameter is formed between the head and the rod aperture is referred to as air cleft；It is described
Air guide seam communicates with the air flue, and sealing ring is around pin hole periphery and between core and dynamic model support plate；
During the demoulding, first, compressed air is through the air flue, air guide seam, ring air drain and goes out air cleft into core and deep chamber product
Between, malleation air cushion layer is formed between core and deep chamber product, malleation air cushion layer forces to be produced between core and deep chamber product
Loosen, afterwards, under the booster action of malleation air cushion layer, technical side that the upward pushing tow depth chamber product of push rod of dynamic model is smoothly stripped
A kind of case, there is provided pneumatic jack core bar device of injection mold pneumatic jack assisted demoulding, it is intended to make the demoulding of deep chamber product injection mould, reach
To purpose that is safe and reliable, improving efficiency, reduce cost.
What the purpose of this utility model was realized in：A kind of pneumatic jack core bar device of injection mold pneumatic jack assisted demoulding,
Including pneumatic jack core bar, sealing ring, core, dynamic model support plate, wherein：Described pneumatic jack core bar is the shaft-like steel components of cylinder,
The groove that the top cylinder of pneumatic jack core bar is provided with annular is referred to as ring air drain, and the bottom cylindrical surface of pneumatic jack core bar is provided with the flange of discount vibram outlet shape
Referred to as bar pin, the part that pneumatic jack core bar is located above the ring air drain are referred to as head, and pneumatic jack core bar is located at below the ring air drain
Part between the bar pin is referred to as the body of rod, and above-below direction, the discount vibram outlet face with the bar pin are provided with the cylinder of the body of rod
The plane communicated is referred to as air guide face, and the diameter of the head is less than 0.1~0.2 millimeter of the diameter of the body of rod；
Described sealing ring is the annular rubber texture part of circular in cross-section；
Described core is to be provided with upper and lower provided with the steel pellet component into moldeed depth chamber product cavity shape, core inside
It is referred to as rod aperture to, up-small and down-big step cutting pattern through hole, the big stepped hole in lower end of the rod aperture is referred to as pin hole；
Described dynamic model support plate is the rectangular plate-like steel components for carrying core, is provided with inside dynamic model support plate and is used to press
The dynamic circular channel of stream of compressed air is referred to as air flue；
Pneumatic jack core bar is located in the rod aperture of core, concordant with above core above the head, the body of rod
With the rod aperture stationary fit, the gap formed between the air guide face and the rod aperture is referred to as air guide seam, the footpath of the air guide seam
It it is 0.2 millimeter to spacing, the gap that the difference of the diameter between the head and the rod aperture is formed is referred to as air cleft；The bar pin
In the pin hole, the lower end of air guide seam communicates with the air flue, the upper end of the air guide seam and the ring air drain and
It is described go out air cleft communicate, sealing ring around the pin hole periphery and between core and dynamic model support plate；Core is fixedly connected
Above dynamic model support plate.
Working principle and beneficial effect
During the demoulding, first, compressed air is through the air flue, air guide seam, ring air drain and goes out air cleft into core and deep chamber product
Between, malleation air cushion layer is formed between core and deep chamber product, malleation air cushion layer forces deep chamber product to produce loosening with core,
Afterwards, under the booster action of malleation air cushion layer, the upward pushing tow depth chamber product of push rod of dynamic model is smoothly stripped.
The present apparatus is simple in construction, reliable operation, is sewn on by air guide seam, ring air drain and outlet between core and deep chamber product
The method for forming malleation air cushion layer, deep chamber product is produced with core and loosen to aid in being stripped, rather than prior art
Pneumatic jack is stripped, and no matter the much pneumatic jack core bars of air pressure of compressed air will not also go out core, makes the de- of deep chamber product injection mould
Mould, it is ensured that securely and reliably, improve efficiency, reduce cost.Present apparatus wide adaptability, easy for installation, pneumatic jack core bar is easy to
It is made general, standard, normalized device, during application, suitable specification need to only select by mould size, therefore have general
Fit the meaning of general popularization.
Above-mentioned, the utility model uses the device being made up of pneumatic jack core bar, sealing ring, core, dynamic model support plate, wherein, gas
Plunger tip bar is provided with head, the body of rod, bar pin, air guide face, ring air drain, is provided with rod aperture in core, air flue is provided with dynamic model support plate；It is described
The diameter of head is less than 0.1~0.2 millimeter of the diameter of the body of rod；The body of rod stationary fit is located in the rod aperture, described to lead
The gap formed between gas face and the rod aperture is referred to as air guide seam, and the radial direction spacing of the air guide seam is 0.2 millimeter, the head
The gap that the difference of diameter is formed between the rod aperture is referred to as air cleft；The air guide seam communicates with the air flue, seals corral
Around pin hole periphery and between core and dynamic model support plate；
During the demoulding, first, compressed air is through the air flue, air guide seam, ring air drain and goes out air cleft into core and deep chamber product
Between, malleation air cushion layer is formed between core and deep chamber product, malleation air cushion layer forces to be produced between core and deep chamber product
Loosen, afterwards, under the booster action of malleation air cushion layer, technical side that the upward pushing tow depth chamber product of push rod of dynamic model is smoothly stripped
Case, overcome prior art and the problem of unreliable, dangerous, efficiency is low, cost is high and deficiency be present, a kind of injection provided
The pneumatic jack core bar device of mould pneumatic jack assisted demoulding, make the demoulding of deep chamber product injection mould, reached safe and reliable, improved effect
Rate, the purpose for reducing cost.
Brief description of the drawings
Fig. 1 is that a kind of pneumatic jack core bar device of injection mold pneumatic jack assisted demoulding of the present utility model is located at using in mould
Main view cross section structure diagram；
Fig. 2 is the extraction enlarged drawing in A portions in Fig. 1；
Fig. 3 is a kind of pneumatic jack core bar 1 of the pneumatic jack core bar device of injection mold pneumatic jack assisted demoulding of the present utility model
Axonometric schematic diagram；
Fig. 4 is a kind of pneumatic jack core bar device of injection mold pneumatic jack assisted demoulding of the present utility model, is operated in by malleation
Under the booster action of air cushion layer, the upward pushing tow depth chamber product 03 of push rod 04 of dynamic model 05 is smoothly stripped the principle schematic of tense.
Embodiment in below in conjunction with the accompanying drawings is described in further detail to the utility model, but should not be construed as to this reality
With new any restrictions.
In figure：Pneumatic jack core bar 1, head 11, the body of rod 12, bar pin 13, air guide face 14, ring air drain 15, sealing ring 2, core 3,
Rod aperture 31, dynamic model support plate 4, air flue 42, cover half 01, die cavity 02, deep chamber product 03, push rod 04, dynamic model 05.
Embodiment
Refering to Fig. 1~Fig. 4, a kind of pneumatic jack core bar device of injection mold pneumatic jack assisted demoulding of the present utility model, including
Pneumatic jack core bar 1, sealing ring 2, core 3, dynamic model support plate 4, wherein：Described pneumatic jack core bar 1 is the shaft-like steel components of cylinder,
The groove that the top cylinder of pneumatic jack core bar 1 is provided with annular is referred to as ring air drain 15, and the bottom cylindrical surface of pneumatic jack core bar 1 is provided with discount vibram outlet shape
Flange is referred to as bar pin 13, and pneumatic jack core bar 1 is referred to as head 11 positioned at the part of the top of ring air drain 15, and pneumatic jack core bar 1 is located at institute
The part stated between the lower section of ring air drain 15 and the bar pin 13 is referred to as the body of rod 12, and upper and lower is provided with the cylinder of the body of rod 12
It is referred to as air guide face 14 to, the plane that is communicated with the discount vibram outlet face of the bar pin 13, the diameter of the head 11 is less than the body of rod 12
0.1~0.2 millimeter of diameter；
Described sealing ring 2 is the annular rubber texture part of circular in cross-section；
Described core 3 is to be provided with upper provided with the steel pellet component into the cavity shape of moldeed depth chamber product 03, the inside of core 3
Lower direction, up-small and down-big step cutting pattern through hole are referred to as rod aperture 31, and the big stepped hole in lower end of the rod aperture 31 is referred to as pin hole；
Described dynamic model support plate 4 is the rectangular plate-like steel components for carrying core 3, and the inside of dynamic model support plate 4, which is provided with, to be used
It is referred to as air flue 42 in the circular channel of compressed air flowing；
Pneumatic jack core bar 1 is located in the rod aperture 31 of core 3, concordant with above core 3 above the head 11, institute
The body of rod 12 and the stationary fit of rod aperture 31 are stated, the gap formed between the air guide face 14 and the rod aperture 31 is referred to as air guide seam,
The radial direction spacing of the air guide seam is 0.2 millimeter, the gap of the difference formation of the diameter between the head 11 and the rod aperture 31
It is referred to as air cleft；The bar pin 13 is located in the pin hole, and the lower end of the air guide seam communicates with the air flue 42, the air guide
The upper end of seam and the ring air drain 15 and it is described go out air cleft communicate, sealing ring 2 around the periphery in the pin hole and positioned at core 3 with
Between dynamic model support plate 4；Core 3 is fixedly connected on above dynamic model support plate 4.
Working principle and beneficial effect
During the demoulding, first, compressed air is through the air flue 42, air guide seam, ring air drain 15 and goes out air cleft into core 3 and deep chamber
Between product 03, malleation air cushion layer is formed between core 3 and deep chamber product 03, malleation air cushion layer forces deep chamber product 03 and type
Core 3 produces loosening, and afterwards, under the booster action of malleation air cushion layer, the upward pushing tow depth chamber product 03 of push rod 04 of dynamic model 05 is suitable
The profit demoulding.
The present apparatus is simple in construction, reliable operation, and core 3 and deep chamber product are sewn on by air guide seam, ring air drain 15 and outlet
The method that malleation air cushion layer is formed between 03, deep chamber product 03 is produced with core 3 and loosen to aid in being stripped, rather than it is existing
The pneumatic jack for having technology is stripped, and no matter the much pneumatic jack core bars 1 of air pressure of compressed air will not also go out core, is molded deep chamber product
The demoulding of mould, it is ensured that securely and reliably, improve efficiency, reduce cost.Present apparatus wide adaptability, easy for installation, pneumatic jack
Core bar 1 can be easily made general, standard, normalized device, during application, only need to select suitable specification by mould size,
Therefore the meaning with pervasive general popularization.
Claims (1)
1. a kind of pneumatic jack core bar device of injection mold pneumatic jack assisted demoulding, including pneumatic jack core bar (1), sealing ring (2), core
(3), dynamic model support plate (4), it is characterised in that：Described pneumatic jack core bar (1) is the shaft-like steel components of cylinder, pneumatic jack core bar
(1) groove that top cylinder is provided with annular is referred to as ring air drain (15), and the bottom cylindrical surface of pneumatic jack core bar (1) is provided with the convex of discount vibram outlet shape
Edge is referred to as bar pin (13), and the part that pneumatic jack core bar (1) is located above the ring air drain (15) is referred to as head (11), pneumatic jack core bar
(1) part below the ring air drain (15) between the bar pin (13) is referred to as the body of rod (12), the body of rod (12)
The plane for be provided with above-below direction at cylinder, communicating with the discount vibram outlet face of the bar pin (13) is referred to as air guide face (14), the head
(11) diameter is less than 0.1~0.2 millimeter of the diameter of the body of rod (12)；
Described sealing ring (2) is the annular rubber texture part of circular in cross-section；
Described core (3) is that core (3) is internal to be provided with provided with the steel pellet component into moldeed depth chamber product (03) cavity shape
Above-below direction, up-small and down-big step cutting pattern through hole are referred to as rod aperture (31), and the big stepped hole in lower end of the rod aperture (31) is referred to as pin
Hole；
Described dynamic model support plate (4) is the rectangular plate-like steel components for carrying core 3, is provided with and uses inside dynamic model support plate (4)
It is referred to as air flue (42) in the circular channel of compressed air flowing；
Pneumatic jack core bar (1) is located in the rod aperture (31) of core (3), above the head (11) with above core (3)
Concordantly, the body of rod (12) and the rod aperture (31) stationary fit, are formed between the air guide face (14) and the rod aperture (31)
Gap is referred to as air guide seam, and the radial direction spacing of the air guide seam is 0.2 millimeter, between the head (11) and the rod aperture (31)
The gap that the difference of diameter is formed is referred to as air cleft；The bar pin (13) is located in the pin hole, the lower end of the air guide seam and institute
Air flue (42) is stated to communicate, the upper end of air guide seam and the ring air drain (15) and it is described go out air cleft communicate, sealing ring (2) surrounds
The periphery in the pin hole and between core (3) and dynamic model support plate (4)；Core (3) is fixedly connected on the upper of dynamic model support plate (4)
Face.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720759462.0U CN206840648U (en) | 2017-06-20 | 2017-06-20 | A kind of pneumatic jack core bar device of injection mold pneumatic jack assisted demoulding |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720759462.0U CN206840648U (en) | 2017-06-20 | 2017-06-20 | A kind of pneumatic jack core bar device of injection mold pneumatic jack assisted demoulding |
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| CN206840648U true CN206840648U (en) | 2018-01-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109159335A (en) * | 2018-09-12 | 2019-01-08 | 刘丽春 | A kind of white injection mould ejection device of anti-drawing of deep-cavity plastic part ejector sleeve recoil limit |
-
2017
- 2017-06-20 CN CN201720759462.0U patent/CN206840648U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109159335A (en) * | 2018-09-12 | 2019-01-08 | 刘丽春 | A kind of white injection mould ejection device of anti-drawing of deep-cavity plastic part ejector sleeve recoil limit |
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