CN202846827U - Zero-demoulding plastic forming mould - Google Patents
Zero-demoulding plastic forming mould Download PDFInfo
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- CN202846827U CN202846827U CN 201220384885 CN201220384885U CN202846827U CN 202846827 U CN202846827 U CN 202846827U CN 201220384885 CN201220384885 CN 201220384885 CN 201220384885 U CN201220384885 U CN 201220384885U CN 202846827 U CN202846827 U CN 202846827U
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Abstract
The utility model relates to a mould for performing zero-demoulding on injection products. The zero-demoulding plastic forming mould comprises an upper mould, a lower mould, a mould frame, a reverse core pulling module, a second driving module and a third driving module; a first installing hole is formed in a lower mould core, or first installing holes are formed in the lower mould core and the lower mould; when the first installing hole is opposite to the part (required for reverse core pulling) on each injection product, the reverse core pumping module comprises a reverse core pulling block which is arranged in the first installing hole in a sliding way; the shape of the upper part of the reverse core pulling block is adapted to that of the part (required for reverse core pulling) on the injection product; the second driving module can drive the reverse core pulling block to slide in the first installing hole in the direction towards the injection product; and the third driving module can drive the reverse core pulling block to slide in the first installing hole in the direction far from the injection product. By adopting the zero-demoulding plastic forming mould, the problem that the appearance surface of the product is scratched during performing the zero-demoulding on the appearance surface of the product can be effectively solved.
Description
Technical field
The utility model relates to a kind of mould, particularly relates to a kind of mould for the demoulding of injecting products zero degree.
Background technology
Be illustrated in figure 1 as the structure chart of prior art plastic forming die, this mould comprises patrix 3 ', counterdie 4 ' and ejecting mechanism, is provided with upper mold core 5 ' on the patrix 3 ', is provided with lower mold core 6 ' on the counterdie 4 '.During matched moulds, patrix 3 ' and counterdie 4 ' are bonded to each other, and the upper mold core 5 ' on it and lower mold core 6 ' form a sealing die cavity 7 ' jointly, with the injection molding product.This ejecting mechanism comprises ejector retainner plate 8 ' and many thimbles 9 ', and thimble 9 ' is fixed on the ejector retainner plate 8 ', and does under ejector retainner plate 8 ' promotes and eject action.As shown in Figure 2, this ejecting mechanism when the mould die sinking, with the plastic cement products top of cooling forming from lower mold core 6 ', thereby make product stripping.The appearance 1 ' of the injecting products 10 ' that existing plastic forming die is produced all has certain draw taper, when die sinking, can guarantee can not scratch the appearance 1 ' of injecting products 10 ', but, as shown in Figure 3, for some injecting products 11 ', require appearance 2 ' the vertical setting, if after adopting the existing mold injection moulding, upper mold core 5 ' is close together with the appearance of injecting products 11 ' when the demoulding, when the demoulding, produce friction between upper mold core 5 ' and the appearance, can scratch the appearance of injecting products, the problem of flower occurs wiping, affect the quality of injecting products.
The utility model content
The technical problems to be solved in the utility model provides a kind of zero degree demoulding plastic forming die, and in the time of can effectively solving the demoulding of Surface Appearance zero degree, Surface Appearance is wiped the problem of flower.
A kind of zero degree demoulding of the utility model plastic forming die, comprise patrix, counterdie and mould bases, in patrix, be installed with upper mold core, in counterdie, be installed with lower mold core, between upper mold core and lower mold core, be provided with die cavity, this device also comprises the module of oppositely loosing core, the second driver module and the 3rd driver module, offer the first installing hole in lower mold core, perhaps offer the first installing hole in lower mold core and counterdie, the position that needs oppositely to loose core on the first installing hole and the injecting products is relative, the first installing hole is communicated with die cavity, the module of oppositely loosing core comprises the piece of oppositely loosing core, what the piece of oppositely loosing core slided is installed in the first installing hole, the shape at position of needing on the shape on top of piece of oppositely loosing core and the injecting products oppositely to loose core adapts, the second driver module can drive the piece of oppositely loosing core and slide towards the direction of injecting products in the first installing hole, and the 3rd driver module can drive the piece direction away from injecting products in the first installing hole of oppositely loosing core and slide.
A kind of zero degree demoulding of the utility model plastic forming die, wherein said the second driver module is hydraulic pressure or Spring driving, the 3rd driver module is spring or hydraulic-driven.
A kind of zero degree demoulding of the utility model plastic forming die, wherein said the second driver module comprises at least one second ram cylinder cylinder body and the second cylinder body installing hole, and the second hydraulic oil pipeline, the second cylinder body installing hole is opened on the mould bases, the second hydraulic oil pipeline is opened on the mould bases, the axis of each the second cylinder body installing hole is all parallel with the axis of the first installing hole, the upper end of each the second cylinder body installing hole all is communicated with the first installing hole, the lower end of each the second cylinder body installing hole is communicated with the second hydraulic oil pipeline, that all slides in each second cylinder body installing hole is equipped with second a ram cylinder cylinder body, the upper surface of each the second ram cylinder cylinder body all contacts with the lower surface of the piece of oppositely loosing core, and between the hole wall of the outer circumference surface of each the second ram cylinder cylinder body and corresponding the second cylinder body installing hole O-ring seal is installed.
A kind of zero degree demoulding of the utility model plastic forming die, wherein said the 3rd driver module comprises at least one the first spring, the first spring is extension spring, every the first spring all is positioned at the first installing hole, the lower end of every the first spring is fixedly connected with the bottom surface of the first installing hole, and the upper end of every the first spring is fixedly connected with the bottom surface of the piece of oppositely loosing core.
A kind of zero degree demoulding of the utility model plastic forming die, the wherein said module of oppositely loosing core also comprises mounting blocks, also offer lower hole on the lower surface of counterdie, each second cylinder body installing hole all is communicated with the first installing hole by lower hole, the diameter in lower hole is greater than the diameter of the first installing hole, under being installed in that mounting blocks slides in the hole, and the upper end of mounting blocks is fixedly connected with the lower end of the piece of oppositely loosing core, the upper surface of each the second ram cylinder cylinder body all contacts with the lower surface of mounting blocks, the 3rd driver module comprises at least one the first spring, the first spring is stage clip, upper end face in lower hole offers at least one spring mounting hole, every the first spring is installed in the spring mounting hole, and the lower end of every the first spring all is pressed on the upper surface of mounting blocks.
A kind of zero degree demoulding of the utility model plastic forming die, the wherein said piece of oppositely loosing core comprises piece and lower, upper piece lower end is fixedly connected on the lower upper end, offer second installing hole at upper bottom surface, the second installing hole is stepped hole, the module of oppositely loosing core also comprises functional module, what functional module was slided is installed in the second installing hole, functional module comprises cutting knife and connecting portion, cutting knife is fixedly mounted on the connecting portion, connecting portion is in the macropore of the second installing hole, between the step surface of the upper surface of connecting portion and the second installing hole, at least one the second spring is installed, the second spring is stage clip, cutting knife is relative with the junction of die cavity and runner cast gate, offer the first cylinder body installing hole and the first hydraulic oil pipeline at lower upper surface, the upper end of the first cylinder body installing hole is communicated with the second installing hole, the axis of the first cylinder body installing hole is parallel with the axis of the second installing hole, the lower end of the first cylinder body installing hole is communicated with the first hydraulic oil pipeline, the first piston formula that the is equipped with cylinder block that in the first cylinder body installing hole, slides, the outer circumference surface of first piston formula cylinder block and the inwall of the first cylinder body installing hole seal by O-ring seal, and the upper end of first piston formula cylinder block is connected with connecting portion.
A kind of zero degree demoulding of the utility model plastic forming die difference from prior art is that the utility model is by arranging the piece of oppositely loosing core, what the piece of oppositely loosing core slided is installed in the first installing hole, the shape at position of needing on the shape on top of piece of oppositely loosing core and the injecting products oppositely to loose core adapts, the piece of oppositely loosing core can slide in the first installing hole under the effect of the second driver module and the 3rd driver module, at injection machine in the mould before the injection fused materials, the second driver module drives the piece of oppositely loosing core and moves up, the position that the needs that make the piece of oppositely loosing core be full of injecting products are oppositely loosed core, before the mould die sinking, the 3rd driver module drives the piece of oppositely loosing core and moves down, make the piece of oppositely loosing core leave injecting products, after the piece of oppositely loosing core leaves injecting products, injecting products is owing to elasticity is understood inwardly contraction, thereby the appearance of injecting products is separated with the mold cavity surface of upper mold core, thereby guarantee after die sinking, draw taper is that the appearance of the injecting products of zero degree can not wiped flower, effectively solves the problem that Surface Appearance is wiped flower.
The utility model is described in further detail below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the structural representation (appearance has draw taper) of the mould of prior art matched moulds state;
Fig. 2 is the structural representation of mould when die opening state of Fig. 1;
Fig. 3 is the structural representation (the appearance draw taper is zero degree) of the upper and lower core rod of prior art mould;
Fig. 4 is that the master of a kind of zero degree demoulding of the utility model plastic forming die looks cutaway view (piece of oppositely loosing core contact plastic is before the cutting knife work);
Fig. 5 is that the master of a kind of zero degree demoulding of the utility model plastic forming die looks cutaway view (piece of oppositely loosing core contact plastic is during cutting knife work);
Fig. 6 is that the master of a kind of zero degree demoulding of the utility model plastic forming die looks cutaway view (piece of oppositely loosing core breaks away from plastic);
Fig. 7 is the top view of the ram cylinder cylinder body of a kind of zero degree demoulding of the utility model plastic forming die;
Fig. 8 is the front view of the ram cylinder cylinder body of a kind of zero degree demoulding of the utility model plastic forming die;
Fig. 9 is the front view (cylinder body adopts extension spring to reset) of the 3rd driver module of a kind of zero degree demoulding of the utility model plastic forming die;
Figure 10 is the front view (cylinder body adopts hydraulic oil to reset) of the 3rd driver module of a kind of zero degree demoulding of the utility model plastic forming die.
The specific embodiment
Embodiment 1:
As shown in Figure 4, a kind of zero degree demoulding of the utility model plastic forming die comprises patrix 1, counterdie 2 and mould bases 3, is installed with upper mold core 4 in patrix 1, is installed with lower mold core 5 in counterdie 2, and counterdie 2 is fixedly mounted on the mould bases 3.Between upper mold core 4 and lower mold core 5, be provided with die cavity 6.
This device also comprises the module 7 of oppositely loosing core, the second driver module and the 3rd driver module.Offer the first installing hole 8 in lower mold core 5 and counterdie 2, the first installing hole 8 is communicated with die cavity 6, the position that needs oppositely to loose core on the first installing hole 8 and the injecting products 9 is relative, and the position that needs oppositely to loose core on the alleged injecting products in the utility model refers to the cavity position that the inner surface relative with the appearance of injecting products consists of.
The module of oppositely loosing core 7 comprises oppositely loose core piece 10 and mounting blocks 16, and what the piece 10 of oppositely loosing core slided is installed in the first installing hole 8, is matched in clearance between the outer circumference surface of the piece 10 of oppositely loosing core and the hole wall of the first installing hole 8.The first installing hole 8 is up-small and down-big stepped hole in the present embodiment, on the lower surface of counterdie 2, also offer the lower hole 17 coaxial with the first installing hole 8, the diameter in lower hole 17 is greater than the diameter of the first installing hole 8, under being installed in that mounting blocks 16 slides in the hole 17, be matched in clearance between the hole wall in the outer circumference surface of mounting blocks 16 and lower hole 17, the upper end of mounting blocks 16 is fixedly connected with the lower end of the piece 10 of oppositely loosing core.The shape at position of needing on the shape on top of piece 10 of oppositely loosing core and the injecting products 9 oppositely to loose core adapts.The second driver module comprises two the second ram cylinder cylinder bodies 11 and the second cylinder body installing hole 12 and the second hydraulic oil pipeline 13.The second cylinder body installing hole 12 is opened on the mould bases 3, the second hydraulic oil pipeline 13 also is opened on the mould bases 3, the axis of each the second cylinder body installing hole 12 is parallel with the axis of the first installing hole 8, the upper end of each the second cylinder body installing hole 12 all is communicated with the first installing hole 8 by lower hole 17, the lower end of each the second cylinder body installing hole 12 is communicated with the second hydraulic oil pipeline 13, each second cylinder body installing hole 12 is interior all slide second a ram cylinder cylinder body 11 is installed, the upper surface of each the second ram cylinder cylinder body 11 all contacts with the lower surface of mounting blocks 16, in conjunction with Fig. 7, shown in Figure 8, between the hole wall of the outer circumference surface of each the second ram cylinder cylinder body 11 and corresponding the second cylinder body installing hole 12 O-ring seal 14 is installed.
Wherein the 3rd driver module comprises that three the first spring 15, the first springs 15 are stage clip, the upper end face in lower hole 17 offer 18, three spring mounting holes 18 of three spring mounting holes be evenly distributed on the first installing hole 8 macropore around.Every the first spring 15 is installed in the spring mounting hole 18, and the lower end of every the first spring 15 all is pressed on the upper surface of mounting blocks 16.
The piece 10 of wherein oppositely loosing core comprises pieces 19 and lower 20, upper piece 19 lower end is fixedly connected on bolt on lower 20 the upper end, offer second installing hole 21 at upper 19 bottom surface, the second installing hole 21 is up-small and down-big stepped hole, the module of oppositely loosing core 7 also comprises functional module 22, what functional module 22 was slided is installed in the second installing hole 21, functional module 22 comprises cutting knife 23 and connecting portion 24, cutting knife 23 is fixedly mounted on the connecting portion 24, connecting portion 24 is positioned at the macropore of the second installing hole 21, and is matched in clearance between the macropore hole wall of the outer circumference surface of connecting portion 24 and the second installing hole 21.Between the step surface of the upper surface of connecting portion 24 and the second installing hole 21 three the second spring 25, the second springs 25 being installed is stage clip, and three the second springs 25 evenly distribute on same circumference.Cutting knife 23 is relative with the junction of die cavity 6 and runner cast gate 26, offer the first cylinder body installing hole 27 and the first hydraulic oil pipeline 28 at lower 20 upper surface, the upper end of the first cylinder body installing hole 27 is communicated with the second installing hole 21, the first cylinder body installing hole 27 is coaxial with the second installing hole 21, the lower end of the first cylinder body installing hole 27 is communicated with the first hydraulic oil pipeline 28, the first piston formula that is equipped with cylinder block 29 in the 27 interior slips of the first cylinder body installing hole, in conjunction with Fig. 7, shown in Figure 8, the outer circumference surface of first piston formula cylinder block 29 and the inwall of the first cylinder body installing hole 27 be by O-ring seal 14 sealing, the upper end of first piston formula cylinder block 29 with state connecting portion 24 and be connected.
A kind of zero degree demoulding of the present invention plastic forming die at first is connected the high voltage power oil sources in use with the first hydraulic oil pipeline 28, the second hydraulic oil pipeline 13; Then material is added in the injection machine, injection machine heating makes the material melting, injection mould closing, and it is closed cavity that the runner cast gate 26 of injection machine spout and injection mold and die cavity 6 are communicated with; Before injection machine material injection process begins, control high voltage power oil sources is to the second hydraulic oil pipeline 13 interior input pressure oil, pressure oil enters the second cylinder body installing hole 12 by the second hydraulic oil pipeline 13, promote 11 actions of the second ram cylinder cylinder body, two the second ram cylinder cylinder bodies 11 and then promote oppositely to loose core piece 10 to die cavity 6 interior movements, after the piece 10 of oppositely loosing core arrives the position of setting, the position that the needs that the piece 10 of oppositely loosing core is filled full injecting products 9 are oppositely loosed core is then injected in the runner cast gate 26 of injection mold with certain pressure and speed by the material of injection machine with melting; After injection machine injection and certain hour pressurize, as shown in Figure 5, control high voltage power oil sources is to the first hydraulic oil pipeline 28 interior input pressure oil, pressure oil directly promotes 29 actions of first piston formula cylinder block by the first hydraulic oil pipeline 28, the cutting knife 23 of first piston formula cylinder block 29 and then promotion functional module 22 moves to die cavity 6 and runner cast gate 26 junctions of injection mold, and cutting knife 23 is separated the injecting products in the die cavity 6 with the waste material at runner cast gate place; After the process injection machine fully cools off, as shown in Figure 6, the first hydraulic oil pipeline 28 and the 13 equal releases of the second hydraulic oil pipeline, moved to the direction away from the die cavity 6 of injection mold by the first spring 15 piece 10 that promotes oppositely to loose core, simultaneously, promote functional modules 22 by the second spring 25 and move finally demould to the direction away from the die cavity 6 of injection mold.
In the present embodiment, if when the first installing hole is opened on the lower mold core, then the second driver module is installed on the counterdie.
The present embodiment is by arranging oppositely loose core module and functional module, can be in the situation of zero degree in the draw taper of product design, realize product stripping and runner gate cutting, and effectively solve the problem that Surface Appearance is wiped flower, its principle is when the demoulding, the piece 10 of oppositely loosing core has withdrawed from, elastic deformation can occur and make to occur the gap between moulding appearance 30 and the mold cavity 6 in moulding when the demoulding, thereby avoid Surface Appearance to wipe flower, if the module 7 of oppositely loosing core is not set, then when the demoulding, moulding appearance 30 is very large with the frictional force of mold cavity 6, thereby is easy to occur product appearance wiping flower phenomenon.
Embodiment 2:
The difference of the present embodiment and embodiment 1 is that the 3rd driver module comprises three the first springs 15, as shown in Figure 9, the first spring 15 is extension spring, three the first springs 15 all are positioned at the first installing hole 8, the lower end of every the first spring 15 is fixedly connected with the bottom surface of the first installing hole 8, and the upper end of every the first spring 15 is fixedly connected with the bottom surface of mounting blocks 16.
Embodiment 3:
The difference of the present embodiment and embodiment 1 is that the 3rd driver module adopts hydraulic-driven.As shown in figure 10, the second ram cylinder cylinder body 11 comprises body 31 and connector 32 two parts, the diameter of connector 32 is less than the diameter of body 31, connector 32 is fixedly mounted on the upper surface of body 31, the second cylinder body installing hole 12 comprises macropore 33 and aperture 34 two parts, macropore 33 is positioned at the below of aperture 34, wherein the body 31 of the second ram cylinder cylinder body 11 is installed in the macropore 33 of the second cylinder body installing hole 12, after connector 32 passes the aperture 34 of the second cylinder body installing hole 12, contact with the lower surface of mounting blocks 16, wherein be provided with sealing ring between the hole wall of the outer circumference surface of body 31 and macropore 33, also be provided with sealing ring between the hole wall of the outer circumference surface of connector 32 and aperture 34, the height of body 31 is less than the hole depth of macropore 33.The 3rd driver module comprises third high force feed pipeline 35, third high force feed pipeline 35 and the second hydraulic oil pipeline 13 all are opened on the mould bases 3, wherein the second hydraulic oil pipeline 13 is communicated with the bottom of the macropore 33 of the second cylinder body installing hole 12, and third high force feed pipeline 35 is communicated with the top of macropore 33.When work, the second hydraulic oil pipeline 13 and third high force feed pipeline 35 are communicated with two actuator ports of a two-position four-way solenoid directional control valve (not shown) respectively, the oil-in of two-position four-way solenoid directional control valve and oil return opening are communicated with high pressure fuel source and fuel tank respectively, if the second ram cylinder cylinder body 11 need to move upward, drive when moving on the piece 10 of oppositely loosing core, control two-position four-way solenoid directional control valve, the second hydraulic oil pipeline 13 is communicated with high pressure fuel source, third high force feed pipeline 35 is communicated with fuel tank, can realize that the second ram cylinder cylinder body 11 moves upward; When the needs cylinder body resetted, control two-position four-way solenoid directional control valve made third high force feed pipeline 35 be communicated with high pressure fuel source, and the second hydraulic oil pipeline 13 is communicated with fuel tank, can realize that the second ram cylinder cylinder body 11 moves downward.
Above-described embodiment is described preferred embodiment of the present utility model; be not that scope of the present utility model is limited; under the prerequisite that does not break away from the utility model design spirit; various distortion and improvement that those of ordinary skills make the technical solution of the utility model all should fall in the definite protection domain of the utility model claims.
Claims (6)
1. zero degree demoulding plastic forming die, comprise patrix (1), counterdie (2) and mould bases (3), in patrix (1), be installed with upper mold core (4), in counterdie (2), be installed with lower mold core (5), between upper mold core (4) and lower mold core (5), be provided with die cavity (6), it is characterized in that: also comprise the module of oppositely loosing core (7), the second driver module and the 3rd driver module, offer the first installing hole (8) in lower mold core (5), perhaps offer the first installing hole (8) in lower mold core (5) and counterdie (2), the position that needs oppositely to loose core on the first installing hole (8) and the injecting products (9) is relative, the first installing hole (8) is communicated with die cavity (6), the module of oppositely loosing core (7) comprises the piece of oppositely loosing core (10), what the described piece (10) of oppositely loosing core slided is installed in the first installing hole (8), the shape at position of needing on the shape on top of piece (10) of oppositely loosing core and the injecting products (9) oppositely to loose core adapts, described the second driver module can drive the piece (10) of oppositely loosing core and slide towards the direction of injecting products (9) in the first installing hole (8), and described the 3rd driver module can drive piece (10) direction away from injecting products (9) in the first installing hole (8) of oppositely loosing core and slide.
2. a kind of zero degree demoulding plastic forming die according to claim 1, it is characterized in that: described the second driver module is hydraulic pressure or Spring driving, described the 3rd driver module is spring or hydraulic-driven.
3. a kind of zero degree demoulding plastic forming die according to claim 2, it is characterized in that: described the second driver module comprises at least one second ram cylinder cylinder body (11) and the second cylinder body installing hole (12), and the second hydraulic oil pipeline (13), described the second cylinder body installing hole (12) is opened on the mould bases (3), described the second hydraulic oil pipeline (13) is opened on the mould bases (3), the axis of described each the second cylinder body installing hole (12) is all parallel with the axis of the first installing hole (8), the upper end of each the second cylinder body installing hole (12) all is communicated with the first installing hole (8), the lower end of each the second cylinder body installing hole (12) is communicated with the second hydraulic oil pipeline (13), that all slides in described each second cylinder body installing hole (12) is equipped with second a ram cylinder cylinder body (11), the upper surface of described each the second ram cylinder cylinder body (11) all contacts with the lower surface of the piece of oppositely loosing core (10), between the hole wall of the outer circumference surface of each the second ram cylinder cylinder body (11) and corresponding the second cylinder body installing hole (12) O-ring seal (14) is installed.
4. a kind of zero degree demoulding plastic forming die according to claim 3, it is characterized in that: described the 3rd driver module comprises at least one the first spring (15), described the first spring (15) is extension spring, described every the first spring (15) all is positioned at the first installing hole (8), the lower end of every the first spring (15) is fixedly connected with the bottom surface of the first installing hole (8), and the upper end of every the first spring (15) is fixedly connected with the bottom surface of the piece of oppositely loosing core (10).
5. a kind of zero degree demoulding plastic forming die according to claim 3, it is characterized in that: the described module (7) of oppositely loosing core also comprises mounting blocks (16), also offer lower hole (17) on the lower surface of described counterdie (2), described each second cylinder body installing hole (12) all is communicated with the first installing hole (8) by lower hole (17), the diameter in described lower hole (17) is greater than the diameter of the first installing hole (8), under being installed in that described mounting blocks (16) slides in the hole (17), and the upper end of mounting blocks (16) is fixedly connected with the lower end of the piece of oppositely loosing core (10), the upper surface of each the second ram cylinder cylinder body (11) all contacts with the lower surface of mounting blocks (16), described the 3rd driver module comprises at least one the first spring (15), described the first spring (15) is stage clip, upper end face in lower hole (17) offers at least one spring mounting hole (18), described every the first spring (15) is installed in the spring mounting hole (18), and the lower end of described every the first spring (15) all is pressed on the upper surface of mounting blocks (16).
6. each described a kind of zero degree demoulding plastic forming die according to claim 1-5, it is characterized in that: the described piece (10) of oppositely loosing core comprises piece (19) and lower (20), the lower end of described upper piece (19) is fixedly connected on the upper end of lower (20), bottom surface upper (19) offers second installing hole (21), the second installing hole (21) is stepped hole, the described module (7) of oppositely loosing core also comprises functional module (22), what functional module (22) was slided is installed in the second installing hole (21), described functional module (22) comprises cutting knife (23) and connecting portion (24), described cutting knife (23) is fixedly mounted on the connecting portion (24), connecting portion (24) is positioned at the macropore of the second installing hole (21), between the step surface of the upper surface of connecting portion (24) and the second installing hole (21), at least one the second spring (25) is installed, the second spring (25) is stage clip, described cutting knife (23) is relative with the junction of die cavity (6) and runner cast gate (26), upper surface in described lower (20) offers the first cylinder body installing hole (27) and the first hydraulic oil pipeline (28), the upper end of described the first cylinder body installing hole (27) is communicated with the second installing hole (21), the axis of the first cylinder body installing hole (27) is parallel with the axis of the second installing hole (21), the lower end of the first cylinder body installing hole (27) is communicated with the first hydraulic oil pipeline (28), the first piston formula that the is equipped with cylinder block (29) that in the first cylinder body installing hole (27), slides, the inwall of the outer circumference surface of first piston formula cylinder block (29) and the first cylinder body installing hole (27) is by O-ring seal (14) sealing, and the upper end of first piston formula cylinder block (29) is connected with described connecting portion (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220384885 CN202846827U (en) | 2012-08-03 | 2012-08-03 | Zero-demoulding plastic forming mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220384885 CN202846827U (en) | 2012-08-03 | 2012-08-03 | Zero-demoulding plastic forming mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202846827U true CN202846827U (en) | 2013-04-03 |
Family
ID=47978063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220384885 Expired - Fee Related CN202846827U (en) | 2012-08-03 | 2012-08-03 | Zero-demoulding plastic forming mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202846827U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756461A (en) * | 2012-08-03 | 2012-10-31 | 深圳市亿玛斯自动化设备有限公司 | Zero-degree demolding plastic molding die |
| CN104210073A (en) * | 2014-09-26 | 2014-12-17 | 天津三星电子有限公司 | Ejector-plate-free demolding structure mold |
-
2012
- 2012-08-03 CN CN 201220384885 patent/CN202846827U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756461A (en) * | 2012-08-03 | 2012-10-31 | 深圳市亿玛斯自动化设备有限公司 | Zero-degree demolding plastic molding die |
| CN102756461B (en) * | 2012-08-03 | 2015-05-06 | 范跃卫 | Zero-degree demolding plastic molding die |
| CN104210073A (en) * | 2014-09-26 | 2014-12-17 | 天津三星电子有限公司 | Ejector-plate-free demolding structure mold |
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