CN201520037U - Thermoplastic plastic sample strip injection mould provided with button-type core-replacing locking mechanisms - Google Patents
Thermoplastic plastic sample strip injection mould provided with button-type core-replacing locking mechanisms Download PDFInfo
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- CN201520037U CN201520037U CN2009201771449U CN200920177144U CN201520037U CN 201520037 U CN201520037 U CN 201520037U CN 2009201771449 U CN2009201771449 U CN 2009201771449U CN 200920177144 U CN200920177144 U CN 200920177144U CN 201520037 U CN201520037 U CN 201520037U
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Abstract
The utility model relates to the technical field of moulds, in particular to a thermoplastic plastic sample strip injection mould provided with button-type core-replacing locking mechanisms, comprising a fixed mould, a movable mould, a mould ejection system, a temperature sensor, a fixed mould and movable mould compounding guide system, a pressure sensor, the button-type core-replacing locking mechanisms and other parts, wherein the fixed mould and the movable mould are respectively provided with the button-type core-replacing locking mechanism which can be used for replacing multiple mould cores; an induction head and a connecting pipe of the pressure sensor arranged on the fixed mould core are completely arranged inside the fixed mould core; a die cavity concave mould arranged on the movable mould core is closely jointed with the plane of the fixed mould to form a die cavity; and a small ejector rob inside the die cavity can be driven by the mould ejection system to eject sample and a gating system. Compared with the prior art, the thermoplastic plastic sample strip injection mould has more convenient operation and higher accuracy, and ensures the quality of the sample to be more stable.
Description
Technical field
The utility model relates to plastic shaping processing and plastic injection mould design and manufacturing field, particularly relates to a kind of thermoplastic batten injection mould that changes the core retaining mechanism with push button.
Background technology
China has issued standard GB/T 17037.1 " the preparation part 1 of thermoplastic material injection moulding sample: the preparation of General Principle and multipurpose sample and rectangular sample " in October, 1997, preparation method of sample has been made specified in more detail, shape, size, tolerance, the arrangement of sample in mould comprising sample, offering and position etc. of the sprue of mould, runner, cast gate, also stipulated the position of knock-pin simultaneously, offering of heating and cooling system, related contents such as pressure sensor, design for temperature sensor.National standard also in appendix C the concrete structure to injection mold provided the graphics example, as shown in Figure 1.The shortcoming of this design is: latch is installed in the mould below, is difficult for directly observing, and is generally groped to extract by the operator when changing core, and is very inconvenient.The mould of recommending in the standard is to the type of pressure sensor, installation method is not explained, pressure sensor has piezo crystal dynamic pressure transducer and resistance strain type pressure sensor, select the piezo crystal dynamic pressure transducer abroad for use, it does not reflect static pressure, for example the packing stage of injection mo(u)lding just can not produce potential difference, adopt resistance strain type pressure sensor, though it can accurately reflect the variation of static and dynamic pressure, but because the inductive head of sensor and the full-length of clamp nut equate substantially with the thickness 38～40mm of cover half core, therefore the connecting line of sensing head can only be placed on outside the cover half core, simultaneously, former design is embedded in the groove of fixed clamping plate, cause the cover half core to extract difficulty, connecting drags line length to reach 0.5m, drag the line afterbody also to have the electric conversion end housing body that a diameter 36mm is about 70mm, the extraction of given core rod and the keeping of mould are made troubles.
What the thermoplastic plastic injecting batten mould that Germany AXXICON company produces adopted is the Kistler dynamic pressure transducer, this pressure sensor is to adopt piezo-electric crystal, when pressure oscillation, produce micro voltage, obtain the pressure indication through amplification, have only pressure constantly to change and could produce electromotive force, therefore when bearing static pressure for example the packing stage in injection mo(u)lding just do not have tangible pressure indication.Former design batten mould (Chinese patent ZL99231961.7, ZL200620035921.2) is that cover half core or moving-mould-core all do not have the design and installation temperature sensor, if active and inactive mold both sides excessive temperature differentials (by enclosing tame standard GB/T17037.1 4.1.1.4i) regulation should not be greater than 5 ℃) then can cause sample mass defective.
The utility model content
The utility model is for solving the deficiencies in the prior art, and the quick replaceable filter element type thermoplastic sample injection mould of the more stable quality that a kind of more convenient operation, higher while of accuracy can make sample is provided.
The scheme that solves the utility model technical problem is: the thermoplastic batten injection mould that the band push button changes the core retaining mechanism is changed core retaining mechanism, mould pin and cooling system snap joint and is constituted by cover half, dynamic model, mould ejection system, temperature sensor, active and inactive mold matched moulds guidance system, mould lifting crossbeam, pressure sensor, support, push button.Wherein, cover half is made of cover half guide rail, fixed clamping plate, thermal insulation board and cover half core rod.Dynamic model is made of dynamic model support plate, moving clamping plate, cushion block, dynamic model guide rail, thermal insulation board, dynamic model core rod, die cavity die and little push rod.
The outer side edges of cover half has fixed clamping plate, the a pair of cover half guide rail that is parallel to each other is arranged on the fixed clamping plate, the cover half core rod is in the chute of two cover half guide rails formation, and a pair of dynamic model guide rail that is parallel to each other is arranged on the dynamic model support plate, and the dynamic model core rod is in the chute of two dynamic model guide rails formation.The cover half core rod changes the core retaining mechanism with a push button respectively with the dynamic model core rod and links to each other, and changes the core retaining mechanism by push button and fix.Two die cavity dies are arranged on the dynamic model core rod, and it pastes mutually with the molding flat of cover half core rod, constitutes two batten die cavities.Dynamic model all links to each other with active and inactive mold matched moulds guidance system with cover half, and the relative position between dynamic model and the cover half is accurately located by active and inactive mold matched moulds guidance system.Two little push rods are arranged in the batten die cavity of each die cavity die, and little push rod links to each other with the mould ejection system, and the mould ejection system is positioned within the space that dynamic model support plate, moving clamping plate and a pair of cushion block surround.The side of the side of cover half core rod and dynamic model core rod links to each other with a pair of cooling system snap joint respectively, and the locality at activation button place that the side at link position place and push button change the core retaining mechanism is opposite.Each all is connected with the cross bar of the support of a π shape cooling system snap joint, and the termination of two vertical poles of the support that links to each other with cooling system snap joint on the cover half core rod is connected with the cover half guide rail; The termination of two vertical poles of the support that links to each other with cooling system snap joint on the dynamic model core rod is connected with the dynamic model guide rail.On the cover half core rod, be connected with pressure sensor, all be connected with temperature sensor on dynamic model core rod and the cover half core rod.Mould lifting crossbeam links to each other moving clamping plate with fixed clamping plate.The upper surface of fixed clamping plate and the lower surface of moving clamping plate all are fixed with thermal insulation board.In moving clamping plate and fixed clamping plate and the relative side of mould lifting crossbeam, be connected with two mould pin respectively.The mould utilization of unloading a mould pin can be placed on any plane.
Push button changes the core retaining mechanism and is made of activation button, push-button reset spring, angled-lift splits, locking pin, locking pin slide block, stainless steel outer cover, spring and locking head.The inclined-plane of locking pin slide block that locking head is positioned at front end, the locking pin afterbody of locking pin matches with the fork-shaped inclined-plane of angled-lift splits, spring be placed on the locking pin and be in locking head and the locking pin slide block between, angled-lift splits is connected with activation button by screw thread, be with the push-button reset spring on the activation button, the outer stainless steel outer cover that is with of locking device.
Pressure sensor is a resistance-strain type, and the inductive head of pressure sensor and connecting line place within the cover half core rod fully.The terminal of connecting line is an electric conversion end housing body, connects to extension instrument by it.
Adopt such scheme, can reach following remarkable result:
1, be the retaining mechanism of pressing with thumb owing to the designed push button of the utility model changes the core retaining mechanism, only need press button to certain distance when extracting core rod, core rod can eject voluntarily, it is more convenient that core rod is changed, saved and changed the core time, core locking is safe and reliable, easy to operate.And this push button changes the conspicuous position of core retaining mechanism at mould, and peripheral hardware stainless steel cover cap is elegant in appearance.
2, because the utility model has carried out innovative design with sensor and mounting means, the inductive head and the fixture thereof of pressure sensor are dwindled, all install and be hidden in cover half core rod within to the connecting line of electric conversion end the inductive head of pressure sensor again, so the cover half core rod no longer has and drags line, bring convenience for the extraction and the depositing of mould of cover half core rod, and make profile very succinct.Because the design has adopted the pressure sensing head of φ 8mm, and the pressure pointing accuracy is brought up to 99%.
3, because the utility model design and installation temperature sensor on moving, cover half core rod so just can be known the die cavity temperature approx, can understand the temperature difference on dynamic model limit and cover half limit.Avoided because of moving, cover half both sides excessive temperature differentials (by standard GB/T17037.1 4.1.1.4i) regulation should not be greater than 5 ℃) cause the underproof situation generation of sample mass, but temperature sensor mating die temperature monitoring therefore of the present utility model, by regulating the temperature and the flow of cooling medium, stablize the quality of sample.
Description of drawings
Fig. 1 is the die structure dwg of standard GB/T17037 suggestion,
Among Fig. 1: 1. bolt-type core rod fixed bar 2. pressure sensors 3. temperature sensor wires that go between;
Fig. 2 changes the structure chart of core retaining mechanism for push button,
Among Fig. 2: 1. activation button 2. push-button reset springs 3. angled-lift splitses 4. locking pins 5. locking pin slide blocks 6. stainless steel outer covers 7. springs 8. locking heads;
Fig. 3 is the left view of Fig. 2;
Fig. 4 settles design drawing for pressure sensor in the cover half core rod,
Among Fig. 4: 1. the inductive head of electric conversion end housing body 2. cover half core rods 3. pressure sensors;
Fig. 5 is the A-A cutaway view of Fig. 3;
Fig. 6 is the utility model scantling plan;
Among Fig. 6: 1. cover half 2. dynamic models 3. dynamic model support plates 4. mould ejection systems 5. moving clamping plates 6. cushion blocks 7. dynamic model guide rails 8. cover half guide rails 9. fixed clamping plates 10. temperature sensors 11. thermal insulation boards 12. active and inactive mold matched moulds guidance systems 13. moulds lift crossbeam 14. dynamic model core rods 15. cover half core rods 16. pressure sensors
Fig. 7 is the A-A cutaway view of Fig. 6;
Among Fig. 7: 17. supports, 18. die cavity dies, 19. little push rod 20. push buttons change core retaining mechanism 21. mould pin 22. cooling system snap joints 23. activation button
The specific embodiment
The utility model will be further described below in conjunction with drawings and Examples.
As Fig. 6 and Fig. 7, the thermoplastic batten injection mould that the band push button changes the core retaining mechanism is changed core retaining mechanism 20, mould pin 21 and cooling system snap joint 22 and is constituted by cover half 1, dynamic model 2, mould ejection system 4, temperature sensor 10, active and inactive mold matched moulds guidance system 12, mould lifting crossbeam 13, pressure sensor 16, support 17, push button.Wherein, cover half 1 is made of cover half guide rail 8, fixed clamping plate 9, thermal insulation board 11 and cover half core rod 15.Dynamic model 2 is made of dynamic model support plate 3, moving clamping plate 5, cushion block 6, dynamic model guide rail 7, thermal insulation board 11, dynamic model core rod 14, die cavity die 18 and little push rod 19.The outer side edges of cover half 1 has fixed clamping plate 9, the a pair of cover half guide rail 8 that is parallel to each other is arranged on the fixed clamping plate 9, cover half core rod 15 is in the chute of two cover half guide rails, 8 formations, and a pair of dynamic model guide rail 7 that is parallel to each other is arranged on the dynamic model support plate 3, and dynamic model core rod 14 is in the chute of two dynamic model guide rails, 7 formations.Cover half core rod 15 changes core retaining mechanism 20 with a push button respectively with dynamic model core rod 14 and links to each other, and it is fixing to change core retaining mechanism 20 by push button.Two die cavity dies 18 are arranged on dynamic model core rod 14, and it pastes mutually with the molding flat of cover half core rod 15, constitutes two batten die cavities.Dynamic model 2 all links to each other with active and inactive mold matched moulds guidance system 12 with cover half 1, and the relative position between dynamic model 2 and the cover half 1 is accurately located by active and inactive mold matched moulds guidance system 12.Two little push rods 19 are arranged in the bar strip die cavity of each die cavity die 18, and little push rod 19 links to each other with mould ejection system 4, and mould ejection system 4 is positioned within the space that dynamic model support plate 3, moving clamping plate 5 and a pair of cushion block 6 surround.The side of the side of cover half core rod 15 and dynamic model core rod 14 links to each other with a pair of cooling system snap joint 22 respectively, and the locality at activation button 23 places that the side at link position place and push button change core retaining mechanism 20 is opposite.Each all is connected with the cross bar of the support 17 of a π shape cooling system snap joint 22, and the termination of two vertical poles of the support 17 that links to each other with cooling system snap joint 22 on the cover half core rod 15 is connected with cover half guide rail 8; The termination of two vertical poles of the support 17 that links to each other with cooling system snap joint 22 on the dynamic model core rod 14 is connected with dynamic model guide rail 7.On cover half core rod 15, be connected with pressure sensor 16, all be connected with temperature sensor 10 on dynamic model core rod 14 and the cover half core rod 15.Mould lifting crossbeam 13 links to each other moving clamping plate 5 with fixed clamping plate 9.The lower surface of the upper surface of fixed clamping plate 9 and moving clamping plate 5 all is fixed with thermal insulation board 11.In the relative side of moving clamping plate 5 and fixed clamping plate 9 and mould lifting crossbeam 13, be connected with two mould pin 21 respectively.The mould that unloads utilizes 4 mould pin 21 to be placed on any plane.
As shown in Figures 2 and 3, push button changes the core retaining mechanism and is made of activation button 1, push-button reset spring 2, angled-lift splits 3, locking pin 4, locking pin slide block 5, stainless steel outer cover 6, spring 7 and locking head 8.Wherein, the inclined-plane of locking pin slide block 5 that locking head 8 is positioned at front end, locking pin 4 afterbodys of locking pin 4 matches with the fork-shaped inclined-plane of angled-lift splits 3, spring 7 be placed on the locking pin 4 and be in locking head 8 and locking pin slide block 5 between, angled-lift splits 3 is connected with activation button 1 by screw thread, be with push-button reset spring 2 on the activation button 1, the outer stainless steel outer cover 6 that is with of locking device.
As shown in Figure 4 and Figure 5, pressure sensor is a resistance-strain type, and the inductive head 3 and the connecting line of pressure sensor place within the cover half core rod 2 fully.The terminal of connecting line is an electric conversion end housing body 1, connects to extension instrument by it.
Claims (3)
1. a thermoplastic batten injection mould that changes the core retaining mechanism with push button is changed core retaining mechanism, mould pin and cooling system snap joint and is constituted by cover half, dynamic model, mould ejection system, temperature sensor, active and inactive mold matched moulds guidance system, mould lifting crossbeam, pressure sensor, support, push button, and it is characterized in that: cover half is made of cover half guide rail, fixed clamping plate, thermal insulation board and cover half core rod; Dynamic model is by the dynamic model support plate, moving clamping plate, cushion block, the dynamic model guide rail, thermal insulation board, the dynamic model core rod, die cavity die and little push rod constitute, the outer side edges of cover half has fixed clamping plate, the a pair of cover half guide rail that is parallel to each other is arranged on the fixed clamping plate, the cover half core rod is in the chute of two cover half guide rails formation, the a pair of dynamic model guide rail that is parallel to each other is arranged on the dynamic model support plate, the dynamic model core rod is in the chute of two dynamic model guide rails formation, the cover half core rod changes the core retaining mechanism with a push button respectively with the dynamic model core rod and links to each other, two die cavity dies are arranged on the dynamic model core rod, it pastes mutually with the molding flat of cover half core rod, constitute two batten die cavities, dynamic model all links to each other with active and inactive mold matched moulds guidance system with cover half, two little push rods are arranged in the batten die cavity of each die cavity die, little push rod links to each other with the mould ejection system, the mould ejection system is positioned at the dynamic model support plate, within the space that moving clamping plate and a pair of cushion block surround, the side of the side of cover half core rod and dynamic model core rod links to each other with a pair of cooling system snap joint respectively, the locality at activation button place that the side at link position place and push button change the core retaining mechanism is opposite, each all is connected with the cross bar of the support of a π shape cooling system snap joint, and the termination of two vertical poles of the support that links to each other with cooling system snap joint on the cover half core rod is connected with the cover half guide rail; The termination of two vertical poles of the support that links to each other with cooling system snap joint on the dynamic model core rod is connected with the dynamic model guide rail, on the cover half core rod, be connected with pressure sensor, all be connected with temperature sensor on dynamic model core rod and the cover half core rod, mould lifting crossbeam links to each other moving clamping plate with fixed clamping plate, the upper surface of fixed clamping plate and the lower surface of moving clamping plate all are fixed with thermal insulation board, in moving clamping plate and fixed clamping plate and the relative side of mould lifting crossbeam, be connected with two mould pin respectively.
2. band push button according to claim 1 changes the thermoplastic batten injection mould of core retaining mechanism, it is characterized in that: described push button changes the core retaining mechanism by activation button, the push-button reset spring, angled-lift splits, locking pin, the locking pin slide block, the stainless steel outer cover, spring and locking head constitute, locking head is positioned at the front end of locking pin, the inclined-plane of the locking pin slide block of locking pin afterbody matches with the fork-shaped inclined-plane of angled-lift splits, spring be placed on the locking pin and be in locking head and the locking pin slide block between, angled-lift splits is connected with activation button by screw thread, be with the push-button reset spring on the activation button, the outer stainless steel outer cover that is with of locking device.
3. band push button according to claim 1 changes the thermoplastic batten injection mould of core retaining mechanism, it is characterized in that: described pressure sensor is a resistance-strain type, the inductive head of pressure sensor and connecting line place within the cover half core rod fully, and the terminal of connecting line is an electric conversion end housing body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201771449U CN201520037U (en) | 2009-09-28 | 2009-09-28 | Thermoplastic plastic sample strip injection mould provided with button-type core-replacing locking mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201771449U CN201520037U (en) | 2009-09-28 | 2009-09-28 | Thermoplastic plastic sample strip injection mould provided with button-type core-replacing locking mechanisms |
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| Publication Number | Publication Date |
|---|---|
| CN201520037U true CN201520037U (en) | 2010-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201771449U Expired - Fee Related CN201520037U (en) | 2009-09-28 | 2009-09-28 | Thermoplastic plastic sample strip injection mould provided with button-type core-replacing locking mechanisms |
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| CN (1) | CN201520037U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101924434A (en) * | 2010-08-04 | 2010-12-22 | 浙江山风汽车空调有限公司 | Coil molding device and method |
| CN102328393A (en) * | 2011-09-28 | 2012-01-25 | 凡嘉科技（无锡）有限公司 | Hoisting beam structure for mould |
| CN103231494A (en) * | 2012-11-09 | 2013-08-07 | 广州现代塑料有限公司 | Injection mould with rapidly-replaced mould cores |
| CN109249587A (en) * | 2017-07-14 | 2019-01-22 | 上海建博精密塑胶模具有限公司 | A kind of injection mold improvement of mold core able to quickly change |
-
2009
- 2009-09-28 CN CN2009201771449U patent/CN201520037U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101924434A (en) * | 2010-08-04 | 2010-12-22 | 浙江山风汽车空调有限公司 | Coil molding device and method |
| CN101924434B (en) * | 2010-08-04 | 2012-06-20 | 浙江山风汽车空调有限公司 | Coil molding device and method |
| CN102328393A (en) * | 2011-09-28 | 2012-01-25 | 凡嘉科技（无锡）有限公司 | Hoisting beam structure for mould |
| CN103231494A (en) * | 2012-11-09 | 2013-08-07 | 广州现代塑料有限公司 | Injection mould with rapidly-replaced mould cores |
| CN103358484A (en) * | 2012-11-09 | 2013-10-23 | 广州现代塑料有限公司 | Injection mould capable of being easily de-molded |
| CN103231494B (en) * | 2012-11-09 | 2015-07-15 | 广州现代塑料有限公司 | Injection mould with rapidly-replaced mould cores |
| CN103358484B (en) * | 2012-11-09 | 2015-10-28 | 广州现代塑料有限公司 | A kind of injection mold being easy to the demoulding |
| CN109249587A (en) * | 2017-07-14 | 2019-01-22 | 上海建博精密塑胶模具有限公司 | A kind of injection mold improvement of mold core able to quickly change |
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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 |
Granted publication date: 20100707 Termination date: 20140928 |
|
| EXPY | Termination of patent right or utility model |