CN205112246U - Thin -walled special -shaped piece's injection moulding mould - Google Patents
Thin -walled special -shaped piece's injection moulding mould Download PDFInfo
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- CN205112246U CN205112246U CN201520615720.9U CN201520615720U CN205112246U CN 205112246 U CN205112246 U CN 205112246U CN 201520615720 U CN201520615720 U CN 201520615720U CN 205112246 U CN205112246 U CN 205112246U
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- counterdie
- top shoe
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- molding die
- injecting molding
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Abstract
The utility model relates to a thin -walled special -shaped piece's injection moulding mould, thin -walled special -shaped piece's injection moulding mould mainly comprise four parts on last mould, mold core, lower mould and the backing plate, go up mould (1) and include first top shoe (5), second top shoe (6), stopper (9), spring (10) and win (15) in succession, lower mould (3) are including first slider (7), second slider (8), mode locking piece (11) and well support (16), mold core (2) two sections location sections (19) through both ends respectively and carry out the location fit between last mould (1) and lower mould (3). Multiple subassembly structure has wherein been contained again in the major structure of last mould and lower mould, structure fits through this kind of complicacy has avoided getting an in -process injection moulding mould cavity in the die sinking and has produced the tractive and lead to the goods damage to scrap the appearance of phenomenon goods, and the appearance of the goods appearance imperfections phenomenon that causes is remained to local sizing material in the injection moulding mould cavity, improvement goods qualification rate has been reached, increase production efficiency, the labor intensity of it is artifical is reduced with the mesh that improves the production automation degree.
Description
Technical field
The utility model relates to a kind of thin wall special-shaped part sealing article mould structure design field, particularly a kind of injecting molding die of thin wall special-shaped part.
Background technology
The forming die structure for moulding of current use is relatively simple, and molding die is made up of upper die and lower die and core rod three parts, and the design that is all structure as a whole that each part adopts, without any assembly or counterpart.
The cutting of rubber blank, to weigh and operation to the filling of injecting molding die die cavity operates by manual, which results in impurity and be introduced in the sizing material of injecting molding die die cavity in the process of operation and namely cause product and scrap because of impurity and cause qualification rate to decline.Need to prize mould with screwdriver in manual die sinking pickup operation, when certain gap appears in patrix and counterdie, manually lift the disengagement that patrix realizes between patrix and core rod, counterdie.Use the same method the disengagement realized between core rod and counterdie.The power that injecting molding die die cavity can produce tractive to the operation ear of thin wall special-shaped part and two ends position of mounting hole and tear when the demoulding, in the process of the demoulding, very easily cause thin wall special-shaped part to operate tearing of ear and installing hole position, directly affects the qualification rate of goods.
Summary of the invention
The purpose of this utility model is the above-mentioned deficiency overcoming prior art, provides a kind of injecting molding die of thin wall special-shaped part, improves job efficiency, production efficiency, improves production automation degree, reduces hand labor intensity.
Above-mentioned purpose of the present utility model is achieved by following technical solution:
An injecting molding die for thin wall special-shaped part, comprises patrix, core rod, counterdie and backing plate, and wherein patrix comprises the first top shoe, the second top shoe, limited block, spring and connecting plate; Counterdie comprises the first sliding block, the second sliding block, lock module and middle holder; Core rod is coordinated with positioning between upper die and lower die respectively by two sections of positioning sections at two ends; Counterdie is coordinated with the locating hole of backing plate by positioning guide column, and the location realizing counterdie is fixed.
At the injecting molding die of above-mentioned a kind of thin wall special-shaped part, be connected by fastening bolt between the demoulding device of described External infusion machine and the connecting plate of patrix; Hold in the palm in two and ask set bolt to be fastened on the both sides of counterdie in 3.
At the injecting molding die of above-mentioned a kind of thin wall special-shaped part, respectively there is a limited block the first described top shoe both sides and the second top shoe both sides, i.e. totally 4 limited blocks, be fixed on patrix by 8 limited block screws by 4 limited blocks, limited block coordinates with the first top shoe and the second top shoe and achieves vertical direction and fix and be parallel to the axially movable of core rod.
At the injecting molding die of above-mentioned a kind of thin wall special-shaped part, the first described sliding block and adopt the mode non-bolt of taper fit to fix between the second sliding block and counterdie, the both sides of counterdie have in 2 to hold in the palm respectively is matched with counterdie by screw; The upper surface place of counterdie is provided with 4 lock modules, and symmetry is positioned at the outside of the first sliding block and the second sliding block; During matched moulds, the entering of lock module of counterdie achieves the first top shoe and the second top shoe to be parallel to the axial location of core rod locked, during die sinking, lock module is withdrawn from from patrix, utilizes the spring force on the first top shoe and the second top shoe to achieve the first top shoe and the lax of the second top shoe flicks.
At the injecting molding die of above-mentioned a kind of thin wall special-shaped part, respectively there is a locating hole at four angles place of described backing plate, and by the taper fit with counterdie lower surface four counterdie positioning guide column, the location realizing counterdie is fixed.
At the injecting molding die of above-mentioned a kind of thin wall special-shaped part, when described patrix and counterdie matched moulds, patrix and counterdie form injecting molding die die cavity by location fit, and cast gate is symmetrically distributed in the centre position of injecting molding die die cavity both sides.
The utility model compared with prior art tool has the following advantages:
(1) the utility model is applied to injection molding technique, hand over die press technology for forming flow process simple, and the automaticity of each step and the degree that becomes more meticulous higher, realize production process totally-enclosed, avoid the phenomenon causing job efficiency to reduce because of the introducing of impurity.
(2) the utility model adopts patrix, core rod, the agent structure of counterdie and backing plate, the multiple modular construction coordinated with it is contained again in agent structure, avoiding injecting molding die die cavity in die sinking pickup process by the respective outer side edges mode of this complexity causes goods breakage to scrap the appearance of phenomenon to goods generation tractive, avoid because in injecting molding die die cavity, local sizing material remains the appearance of the products appearance defect phenomenon caused, reach raising job efficiency, enhance productivity, reduce the object of hand labor intensity and raising production automation degree.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of the injecting molding die of a kind of thin wall special-shaped part of the utility model;
Fig. 2 is that the patrix of the injecting molding die of a kind of thin wall special-shaped part of the utility model coordinates side view;
Fig. 3 is that the patrix of the injecting molding die of a kind of thin wall special-shaped part of the utility model coordinates upward view;
Fig. 4 a is the standoff features schematic diagram of the injecting molding die of a kind of thin wall special-shaped part of the utility model;
Fig. 4 b is the sectional view of Fig. 4 a along E-E direction;
Fig. 5 a is the counterdie top view of the injecting molding die of a kind of thin wall special-shaped part of the utility model;
Fig. 5 b is the sectional view of Fig. 5 a along A-A direction;
Fig. 6 is the mold insert structure schematic diagram of the injecting molding die of a kind of thin wall special-shaped part of the utility model;
Fig. 7 a is the backing structure schematic diagram of the injecting molding die of a kind of thin wall special-shaped part of the utility model;
Fig. 7 b is the sectional view of Fig. 7 a along B-B direction;
Fig. 8 be a kind of thin wall special-shaped part of the utility model injecting molding die patrix with coordinate schematic diagram between injection (mo(u)lding) machine.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Fig. 1 is the injecting molding die assembling schematic diagram of a kind of thin wall special-shaped part of the utility model, and comprise patrix 1, core rod 2, counterdie 3 and backing plate 4, wherein patrix 1 comprises the first top shoe 5, second top shoe 6, limited block 9, spring 10 and connecting plate 15; Counterdie 3 comprises the first sliding block 7, second sliding block 8, lock module 11 and middle holder 16; Core rod 2 is coordinated with positioning between patrix 1 and counterdie 3 respectively by two sections of positioning sections 19 at two ends; Counterdie 3 is coordinated by the locating hole of positioning guide column 18 with backing plate 4, and the location realizing counterdie 3 is fixed.
The patrix being illustrated in figure 2 the injecting molding die of a kind of thin wall special-shaped part of the utility model coordinates side view, first top shoe 5 and the second top shoe 6 are bolted with patrix 1, for convenience detach, the cull at corresponding first top shoe 5 and the second top shoe 6 place cleared up and becomes more convenient, faster, more thoroughly, contribute to improving silicon rubber thin-walled shaped piece qualification rate.
The patrix being illustrated in figure 3 the injecting molding die of a kind of thin wall special-shaped part of the utility model coordinates upward view, be connected by fastening bolt 24 between the demoulding device 23 of External infusion machine and the connecting plate 15 of patrix 1 as shown in the figure, the patrix 1 of injecting molding die is furnished with the first top shoe 5 and the second top shoe 6 totally two slide blocks, for the first top shoe 5 after preventing die sinking and the second upper module 6 drop from patrix 1 structure, have employed the mode being carried out with limited block 9 respectively the both sides of the first top shoe 5 and the second top shoe 6 coordinating, each limited block 9 is fastened by 2 screws 14 and patrix 1 simultaneously, the vertical direction that such fit system achieves the first top shoe 5 and the second top shoe 6 is fixed and is parallel to the axially movable of core rod 2, namely during die sinking, the first top shoe 5 and the second top shoe 6 can not drop because of gravity, during matched moulds due to the lock module 11 of counterdie 3 to enter the located lateral achieving the first top shoe 5 and the second top shoe 6 locked, during die sinking, lock module 11 is withdrawn from from patrix 1, spring 10 elastic force on the first top shoe 5 and the second top shoe 6 is utilized to achieve the first top shoe 5 and the second the lax of top shoe 6 flicks.
When patrix 1 and counterdie 3 matched moulds, patrix 1 and counterdie 3 form injecting molding die die cavity 28 by location fit, and cast gate 13 is symmetrically distributed in the centre position of injecting molding die die cavity 28 both sides.
The standoff features schematic diagram of the injecting molding die of a kind of thin wall special-shaped part of the utility model as shown in fig. 4 a, be the sectional view of Fig. 4 a along E-E direction as shown in Figure 4 b, as seen from the figure, respectively there is a limited block 9 first top shoe 5 both sides and the second top shoe 6 both sides, 4 limited blocks 9 are fixed on patrix 1 by 8 limited block screws 14, and to realize longitudinal fixed lateral removable by coordinating for limited block 9 and the first top shoe 5, second top shoe 6.
Be the counterdie top view of the injecting molding die of a kind of thin wall special-shaped part of the utility model as shown in Figure 5 a, be the sectional view of Fig. 5 a along A-A direction as shown in Figure 5 b, as seen from the figure, first sliding block 7 and adopt the mode non-bolt of taper fit to fix between the second sliding block 8 and counterdie 3, easily two slide blocks are taken out, counterdie 3 is that taper guide pillar coordinates with coordinating of backing plate 4, namely have 4 holes at four Angle Position of backing plate 4,4 taper guide pillars of counterdie 3 lower surface are coordinated by 4 holes of backing plate 4.Backing plate 4 carries out fastening bolt by 4 U-lags of its edge and the lower shoe 27 of External infusion forming machine to be fixed.The both sides of counterdie 3 have in 2 respectively holds in the palm 16, is matched by set bolt 17 counterdie 3.
Be illustrated in figure 6 the mold insert structure schematic diagram of the injecting molding die of a kind of thin wall special-shaped part of the utility model, when patrix 1 and counterdie 3 matched moulds, core rod 2 is coordinated with positioning between patrix 1 and counterdie 3 respectively by two sections of positioning sections 19 at two ends, realizes the precise positioning of core rod 2 between patrix 1 and counterdie 3.
Be the backing structure schematic diagram of the injecting molding die of a kind of thin wall special-shaped part of the utility model as shown in Figure 7a, be the sectional view of Fig. 7 a along B-B direction as shown in Figure 7b, as seen from the figure, four angles place of backing plate 4 respectively has a locating hole respectively, pad 4 plates by realizing taper fit between four locating holes and four taper positioning guide column 18 of counterdie 3 lower surface, thus the location realizing counterdie 3 is fixed.
As Fig. 8 be a kind of thin wall special-shaped part of the utility model injecting molding die patrix with coordinate schematic diagram between injection (mo(u)lding) machine, described patrix 1 is connected with the upper plate 23 of injection (mo(u)lding) machine by the connecting hole in the connecting plate 15 of both sides.The upper plate 23 of injector is connected by fastening bolt 24 with between patrix 1 connecting plate 15.Demoulding guide rail 20 on injection (mo(u)lding) machine, on injection (mo(u)lding) machine ejector spring 21 and injection (mo(u)lding) machine, stripping stroke limited block 22 3 kinds of devices are with the use of the demoulding device forming injection (mo(u)lding) machine, it realizes injecting molding die patrix: when die sinking, the lower shoe 27 of injection (mo(u)lding) machine initiatively declines, demoulding guide rail 20 and the passive decline of injection (mo(u)lding) machine ejector spring 21 on the injection (mo(u)lding) machine of drive patrix 1 and top, when patrix 1 is inconjunction with stripping stroke limited block 22 in injection (mo(u)lding) machine ejector spring 21 contact, produce the compressional deformation elastic force (i.e. knockout press) because of injection (mo(u)lding) machine ejector spring 21, the displacement that size and the patrix 1 of its power decline is directly proportional, the demoulding can be realized after the compressional deformation elastic force of spring 21 reaches certain value.After the demoulding, patrix 1 is locked in midair under the effect of injection (mo(u)lding) machine demoulding device, and counterdie 3 puts in place with lower shoe 27 decline of backing plate 4 with injection (mo(u)lding) machine, mould slide rail 25 is pushed away along injection (mo(u)lding) machine counterdie 3 is extrapolated together with backing plate 4 push away the effect of mould piston 26 at injection (mo(u)lding) machine under, the middle rest device releasing injection (mo(u)lding) machine after putting in place by with ask 16 to coordinate in counterdie 4 counterdie 4 is lifted, injection (mo(u)lding) machine pushes away mould piston 26 and hauls backing plate 4 and to bounce back together reset, in injector, rest device holder patrix and is declined together and put in place, under last injector, liftout attachment passes through the through hole of counterdie by the first sliding block 7 and the second sliding block 8 jack-up of counterdie below counterdie, simultaneously core rod 2 together with the silicon rubber thin-walled shaped piece goods be enclosed within core rod 2 together by jack-up, what achieve silicon rubber thin-walled shaped piece product and core rod opens mould automatically.
The content be not described in detail in description of the present invention belongs to the known technology of those skilled in the art.
Claims (6)
1. the injecting molding die of a thin wall special-shaped part, it is characterized in that: comprise patrix (1), core rod (2), counterdie (3) and backing plate (4), wherein patrix (1) comprises the first top shoe (5), the second top shoe (6), limited block (9), spring (10) and connecting plate (15); Counterdie (3) comprises the first sliding block (7), the second sliding block (8), lock module (11) and middle holder (16); Core rod (2) is coordinated with positioning between patrix (1) and counterdie (3) respectively by two sections of positioning sections (19) at two ends; Counterdie (3) is coordinated by the locating hole of positioning guide column (18) with backing plate (4), and the location realizing counterdie (3) is fixed.
2. the injecting molding die of a kind of thin wall special-shaped part according to claim 1, is characterized in that: be connected by fastening bolt (24) between the demoulding device (23) of External infusion machine and the connecting plate (15) of patrix (1); (16) are ask to ask set bolt (17) to be fastened on the both sides of counterdie (3) in 3 in two.
3. the injecting molding die of a kind of thin wall special-shaped part according to claim 1, it is characterized in that: respectively there is a limited block (9) described the first top shoe (5) both sides and the second top shoe (6) both sides, i.e. totally 4 limited blocks (9), be fixed on patrix (1) by 8 limited block screws (14) by 4 limited blocks (9), limited block (9) coordinates with the first top shoe (5) and the second top shoe (6) and achieves vertical direction and fix and be parallel to the axially movable of core rod (2).
4. the injecting molding die of a kind of thin wall special-shaped part according to claim 1, is characterized in that: described the first sliding block (7) and adopt the mode non-bolt of taper fit to fix between the second sliding block (8) and counterdie (3); The upper surface place of counterdie (3) is provided with 4 lock modules (11), and symmetry is positioned at the outside of the first sliding block (7) and the second sliding block (8); During matched moulds, the entering of lock module (11) of counterdie (3) achieves the first top shoe (5) and the second top shoe (6) to be parallel to the axial location of core rod (2) locked, during die sinking, lock module (11) is withdrawn from from patrix (1), utilizes spring (10) elastic force on the first top shoe (5) and the second top shoe (6) to achieve lax the flicking of the first top shoe (5) and the second top shoe (6).
5. the injecting molding die of a kind of thin wall special-shaped part according to claim 1, it is characterized in that: respectively there is a locating hole at four angles place of described backing plate (4), by the taper fit with counterdie (3) lower surface four counterdie positioning guide column (18), the location realizing counterdie (3) is fixed.
6. the injecting molding die of a kind of thin wall special-shaped part according to claim 1, it is characterized in that: when patrix (1) and counterdie (3) matched moulds, patrix (1) and counterdie (3) form injecting molding die die cavity (28) by location fit, and cast gate (13) is symmetrically distributed in the centre position of injecting molding die die cavity (28) both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615720.9U CN205112246U (en) | 2015-08-14 | 2015-08-14 | Thin -walled special -shaped piece's injection moulding mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615720.9U CN205112246U (en) | 2015-08-14 | 2015-08-14 | Thin -walled special -shaped piece's injection moulding mould |
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| Publication Number | Publication Date |
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| CN205112246U true CN205112246U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520615720.9U Active CN205112246U (en) | 2015-08-14 | 2015-08-14 | Thin -walled special -shaped piece's injection moulding mould |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113927924A (en) * | 2021-09-18 | 2022-01-14 | 湖北三江航天江北机械工程有限公司 | Die pressing tool for thin-wall special-shaped structural part and using method thereof |
-
2015
- 2015-08-14 CN CN201520615720.9U patent/CN205112246U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113927924A (en) * | 2021-09-18 | 2022-01-14 | 湖北三江航天江北机械工程有限公司 | Die pressing tool for thin-wall special-shaped structural part and using method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |