CN104149290A - Injection mould provided with oil cylinder core-pulling structure - Google Patents
Injection mould provided with oil cylinder core-pulling structure Download PDFInfo
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- CN104149290A CN104149290A CN201410389894.8A CN201410389894A CN104149290A CN 104149290 A CN104149290 A CN 104149290A CN 201410389894 A CN201410389894 A CN 201410389894A CN 104149290 A CN104149290 A CN 104149290A
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- block
- slide block
- oil cylinder
- fixed
- connecting portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
- B29C2045/334—Mountings or guides therefor; Drives therefor several transversely movable mould parts driven by a single drive means
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses an injection mould provided with an oil cylinder core-pulling structure. The injection mould comprises a front mould and the oil cylinder core-pulling structure, wherein the oil cylinder core-pulling structure comprises a first oblique guide post, a second oblique guide post, a third oblique guide post and a fourth oblique guide post fixed on the front mould, a first sliding block, a second sliding block, a third sliding block and a fourth sliding block arranged on the first oblique guide post, the second oblique guide post, the third oblique guide post and the fourth oblique guide post in a sleeving manner respectively and a first oil cylinder and a second oil cylinder fixed on the front mould opposite to each other; the first sliding block is linked with the second sliding block and the fourth sliding block, and the third sliding block is linked with the second sliding block and the fourth sliding block; the first oil cylinder is used for driving the first sliding block and the second oil cylinder is used for driving the third sliding block; the four sliding blocks are linked by the two oil cylinders and the side core-pulling of products can be completed.
Description
Technical field
The present invention relates to injection mold field, relate in particular to a kind of injection mold with loose core of oil cylinder structure.
Background technology
In die industry, the injection mold of many products be all adopt slide block realize product sidewall side core-pulling so that complete the demoulding of product, conventionally adopt four slide blocks to realize the side core-pulling of the surrounding of the sidewall of product, for example, glue frame series products or cylindric product etc.In injection mold, conventionally adopt at present oil cylinder to drive slide block and realize the side core-pulling of product.With reference to Fig. 1, Fig. 1 is the exploded perspective view of the loose core of oil cylinder structure in existing injection mold, this loose core of oil cylinder structure comprises: slide block 100, slider layering 102, oil cylinder 104, oil cylinder fixed head 106, oil cylinder contiguous block 108 and screw, wherein, on described slider layering 102, offer slider layering groove, on described slide block 100, offer chute 101.
Particularly, described slider layering 102 is locked in described slide block 100 on mold base (not shown) by screw, make the described slide block 100 can only be along described slider layering groove back and forth movement, described oil cylinder 108 is screwed on described oil cylinder fixed head 106, and be connected with the chute 101 of described slide block 100 by described oil cylinder contiguous block 108 through the via hole 107 of described oil cylinder fixed head 106, described oil cylinder 108 is threaded with described oil cylinder contiguous block 108, described oil cylinder fixed head 106 is screwed on mold base, as shown in Figure 2.
In this loose core of oil cylinder structure, an oil cylinder can only act on a slide block.In the time that product is wrapped up by four slide blocks; and four slide blocks are all very large; use this loose core of oil cylinder structure can cause increasing the size of overall mold base; and four oil cylinders of four slide blocks will be all beyond mold base; not only be difficult for protection oil cylinder, also affected the attractive in appearance of mould, the most fatal is that oil cylinder takies the large quantity space of injection machine; cause having to use large-tonnage injection machine, the manufacturing cost that has so not only increased mould has also increased the injection moulding cost in later stage.
Summary of the invention
Main purpose of the present invention is to solve that oil cylinder quantity in the injection mold of existing employing loose core of oil cylinder structure is many, mould structure is complicated and the bulky technical problem of mould.
For achieving the above object, the invention provides a kind of injection mold with loose core of oil cylinder structure, described injection mold comprises front mould and loose core of oil cylinder structure; Described loose core of oil cylinder structure comprises the first Angle Pin and the 3rd Angle Pin that stretch out and be oppositely arranged from described front mould, the second Angle Pin and the 4th Angle Pin that stretch out and be oppositely arranged from described front mould, be set in respectively the first slide block, the second slide block, the 3rd slide block and Four-slider on described the first Angle Pin, the second Angle Pin, the 3rd Angle Pin and the 4th Angle Pin, and the first oil cylinder and the second oil cylinder that are fixed on described front mould and are oppositely arranged; Described the first slide block link described the second slide block and described Four-slider and described the 3rd slide block link described the second slide block and described Four-slider, described the first oil cylinder is used for driving described the first slide block to slide along described the first Angle Pin, and then described the first slide block links described the second slide block and Four-slider respectively along described the second Angle Pin and described the 4th Angle Pin slip; Described the second oil cylinder is used for driving described the 3rd slide block to slide along described the 3rd Angle Pin, and then described the 3rd slide block links described the second slide block and Four-slider respectively along described the second Angle Pin and described the 4th Angle Pin slip.
Preferably, described loose core of oil cylinder structure also comprises the first drive block, the second drive block, the 3rd drive block and the 4th drive block, described the first drive block is arranged between the two ends that described the first slide block is adjacent with described the second slide block for being connected described the first slide block and described the second slide block, described the 4th drive block is arranged between the two ends that described the first slide block is adjacent with described Four-slider for being connected described the first slide block and described Four-slider, described the second drive block is arranged between the two ends that described the 3rd slide block is adjacent with described the second slide block for being connected described the 3rd slide block and described the second slide block, described the 3rd drive block is arranged between the two ends that described the 3rd slide block is adjacent with described Four-slider for being connected described the 3rd slide block and described Four-slider, described the first slide block is by described the first drive block and described the 4th drive block link described the second slide block and described Four-slider, and described the 3rd slide block is by described the second drive block and the 3rd drive block link described the second slide block and described Four-slider.
Preferably, described the first slide block offers the first holddown groove on the one end near described the second slide block, described the second slide block offers the first draw-in groove on the one end near described the first slide block, described the first drive block is fixed in described the first holddown groove and is placed in described the first draw-in groove, and described the first drive block slides in described the first draw-in groove; On described first slide block one end near described Four-slider, offer the second holddown groove, described Four-slider offers the second draw-in groove on the one end near described the first slide block, described the 4th drive block is fixed in described the second holddown groove and is placed in described the second draw-in groove, and described the 4th drive block slides in described the second draw-in groove; On described the 3rd slide block one end near described the second slide block, offer the 3rd holddown groove, described the second slide block offers the 3rd draw-in groove on the one end near described the 3rd slide block, described the second drive block is fixed in described the 3rd holddown groove and is placed in described the 3rd draw-in groove, and described the second drive block slides in described the 3rd draw-in groove; On described the 3rd slide block one end near described Four-slider, offer the 4th holddown groove, described Four-slider offers the 4th draw-in groove on the one end near described the 3rd slide block, described the 3rd drive block is fixed in described the 4th holddown groove and is placed in described the 4th draw-in groove, and described the 3rd drive block slides in described the 4th draw-in groove.
Preferably, described the first drive block, the second drive block, the 3rd drive block and the 4th drive block adopt screw fixed form to be separately fixed in described the first holddown groove, the second holddown groove, the 3rd holddown groove and the 4th holddown groove.
Preferably, described loose core of oil cylinder structure also comprises the first oil cylinder fixed block and the second oil cylinder fixed block that are fixed on described front mould, described the first oil cylinder comprises the first oil cylinder body and the first cylinder rod, described the first cylinder rod moves with respect to described the first oil cylinder body, described the second oil cylinder comprises the second oil cylinder body and the second cylinder rod, described the second cylinder rod moves with respect to described the second oil cylinder body, described the first oil cylinder body is fixed on described the first oil cylinder fixed block, and described the second oil cylinder body is fixed on described the second oil cylinder fixed block.
Preferably, described loose core of oil cylinder structure also comprises the first contiguous block, the second contiguous block, the 3rd contiguous block and the 4th contiguous block; On described the first slide block, offer the first breach, on described the 3rd slide block, offer the second breach, described the first contiguous block is fixed in described the first breach, and described the second contiguous block is fixed on described the first contiguous block, and described the first cylinder rod is fixed on described the second contiguous block; Described the 3rd contiguous block is fixed in described the second breach, and described the 4th contiguous block is fixed on described the 3rd contiguous block, and described the second cylinder rod is fixed on described the 4th contiguous block.
Preferably, described the first contiguous block is step-like, comprise the first connecting portion, second connecting portion parallel with described the first connecting portion, vertical the 3rd connecting portion that connects described the first connecting portion and described the second connecting portion, described the first connecting portion is fixed in described the first breach, and described the second contiguous block is fixed on described the second connecting portion; Described the 3rd contiguous block is step-like, comprise the 4th connecting portion, five connecting portion parallel with described the 4th connecting portion, vertical the 6th connecting portion that connects described the 4th connecting portion and described the 5th connecting portion, described the 5th connecting portion is fixed in described the second breach, and described the 4th contiguous block is fixed on described the 5th connecting portion.
Preferably, described loose core of oil cylinder structure also comprises the first pin and the second pin; Described the first connecting portion is screwed in described the first breach, on described the second connecting portion, offer the first slot, described the second contiguous block inserts in described the first slot and is contained in wherein, described the first pin runs through the second contiguous block so that described the second contiguous block is fixed in described the first slot through the sidewall of described the second connecting portion, on described the second contiguous block, offer the first screwed hole, on the outer surface of described the first cylinder rod, offer the first screw thread, described the first cylinder rod is fixed in described the first screwed hole by described the first screw thread; Described the 4th connecting portion is screwed in described the second breach, on described the 4th connecting portion, offer the second slot, described the 4th contiguous block inserts in described the second slot and is contained in wherein, described the second pin runs through the 4th contiguous block so that described the 4th contiguous block is fixed in described the second slot through the sidewall of described the 5th connecting portion, on described the 4th contiguous block, offer the second screwed hole, on the outer surface of described the second cylinder rod, offer the second screw thread, described the second cylinder rod is fixed in described the second screwed hole by described the second screw thread.
Preferably, the central axis of described the first oil cylinder body is parallel with the central axis of described the first Angle Pin, and the central axis of described the second oil cylinder body is parallel with the central axis of described the 3rd Angle Pin.
Preferably, described the first slide block, the second slide block, the 3rd slide block and Four-slider have identical Core-pulling distance, described Core-pulling distance=L*cosa, wherein, L is effective impulse stroke of described the first oil cylinder or the second oil cylinder, a is the first Angle Pin, the second Angle Pin, the 3rd Angle Pin or the axial outside direction of the 4th Angle Pin and the angle of described front mould, 12 °≤a≤22 °.
The injection mold with loose core of oil cylinder structure of the present invention is by the first slide block link the second slide block and Four-slider and the 3rd slide block link the second slide block and Four-slider, and only adopt two oil cylinders to drive respectively the first slide block and the 3rd slide block, and then realize the first slide block, the second slide block, the 3rd slide block and Four-slider be side core-pulling simultaneously, also realize ejecting of product, reduce the quantity of oil cylinder, without ejecting mechanism, simplify mould structure, difficulty of processing and the processing cost of mould are reduced, also reduce front template, the size of rear pattern plate and thickness, reduce the material cost of mould, dwindle mould volume, be conducive to use the relatively injection machine of ting model, save injection moulding cost.
Brief description of the drawings
Fig. 1 is the exploded perspective view of the loose core of oil cylinder structure in existing injection mold;
Fig. 2 is that the loose core of oil cylinder structure in Fig. 1 is arranged on the assembling schematic diagram on injection mold;
Fig. 3 is the top view of an embodiment of the injection mold with loose core of oil cylinder structure of the present invention;
Fig. 4 is the exploded perspective view of the loose core of oil cylinder structure in Fig. 3;
Fig. 5 is the front view of the subelement of the injection mold with loose core of oil cylinder structure in Fig. 3;
Fig. 6 is the die sinking schematic diagram of Fig. 5.
Realization, functional characteristics and the advantage of the object of the invention, in connection with embodiment, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of injection mold with loose core of oil cylinder structure, with reference to Fig. 3 and Fig. 4, and in conjunction with Fig. 5 and Fig. 6, in one embodiment, described injection mold comprises front mould 5, loose core of oil cylinder structure 2 and rear mold (not shown), described loose core of oil cylinder structure 2 comprises the first Angle Pin 40 and the 3rd Angle Pin 44 that stretch out and be oppositely arranged from described front mould 5, the second Angle Pin 42 and the 4th Angle Pin 46 that stretch out and be oppositely arranged from described front mould 5, be set in respectively the first slide block 20, the second slide block 22, the 3rd slide block 24 and Four-slider 26 on described the first Angle Pin 40, the second Angle Pin 42, the 3rd Angle Pin 44 and the 4th Angle Pin 46, and the first oil cylinder 80 and the second oil cylinder 82 that are fixed on described front mould 5 and are oppositely arranged, described the first slide block 20 link described the second slide block 22 and described Four-slider 26 and described the 3rd slide block 24 link described the second slide block 22 and described Four-slider 26, described the first oil cylinder 80 is for driving described the first slide block 20 to slide along described the first Angle Pin 40, and then link described the second slide block 22 and Four-slider 26 of described the first slide block 20 slides with described the 4th Angle Pin 46 along described the second Angle Pin 42 respectively, described the second oil cylinder 82 is for driving described the 3rd slide block 24 to slide along described the 3rd Angle Pin 44, and then link described the second slide block 22 and Four-slider 26 of described the 3rd slide block 24 slides with described the 4th Angle Pin 46 along described the second Angle Pin 42 respectively.
The described mould with loose core of oil cylinder structure is by the first slide block 20 the second slide block 22 and Four-slider 26 and the 3rd slide block 24 second slide block 22 and Four-slider 26 that link that link, and only adopt two oil cylinders to drive respectively the first slide block 20 and the 3rd slide block 24, and then realize the first slide block 20, the second slide block 22, the 3rd slide block 24 and Four-slider 26 side core-pulling simultaneously, also realize ejecting of product, reduce the quantity of oil cylinder, without ejecting mechanism, simplify mould structure, difficulty of processing and the processing cost of mould are reduced, also reduce front template, the size of rear pattern plate and thickness, reduce the material cost of mould, dwindle mould volume, be conducive to use the relatively injection machine of ting model, save injection moulding cost.
In the present embodiment, described the first Angle Pin 40, the second Angle Pin 42, the 3rd Angle Pin 44 and the 4th Angle Pin 46 are two, described two the first Angle Pins 40 be parallel to each other and with being centered close on same straight line of described front mould 5 junctions, described two the second Angle Pins 42 be parallel to each other and with being centered close on same straight line of described front mould 5 junctions, described two the 3rd Angle Pins 44 be parallel to each other and with being centered close on same straight line of described front mould 5 junctions, described two the 4th Angle Pins 46 be parallel to each other and with being centered close on same straight line of described front mould 5 junctions.
In the present embodiment, described loose core of oil cylinder structure 2 also comprises the first drive block 60, the second drive block 62, the 3rd drive block 64 and the 4th drive block 66, described the first drive block 60 is arranged between the two ends that described the first slide block 20 is adjacent with described the second slide block 22 for being connected described the first slide block 20 and described the second slide block 22, described the 4th drive block 66 is arranged between the two ends that described the first slide block 20 is adjacent with described Four-slider 26 for being connected described the first slide block 20 and described Four-slider 26, described the second drive block 62 is arranged between the two ends that described the 3rd slide block 24 is adjacent with described the second slide block 22 for being connected described the 3rd slide block 24 and described the second slide block 22, described the 3rd drive block 64 is arranged between the two ends that described the 3rd slide block 24 is adjacent with described Four-slider 26 for being connected described the 3rd slide block 24 and described Four-slider 26, described the first slide block 20 is by described the first drive block 60 and described the 4th drive block 66 link described the second slide block 22 and described Four-slider 26, and described the 3rd slide block 24 is by described the second drive block 62 and the 3rd drive block 64 link described the second slide block 22 and described Four-slider 26.
Described loose core of oil cylinder structure 2 makes described the first slide block 20 link described the second slide block 22 and described Four-slider 26 by described the first drive block 60 and described the 4th drive block 66, make described the 3rd slide block 24 link described the second slide block 22 and described Four-slider 26 by described the second drive block 62 and the 3rd drive block 64 simultaneously, and then four slide blocks of two oil cylinders interlock are realized, reduce the quantity of oil cylinder, without ejecting mechanism, simplify mould structure, dwindled mould volume.
In the present embodiment, on described first slide block 20 one end near described the second slide block 22, offer the first holddown groove 200, on described second slide block 22 one end near described the first slide block 20, offer the first draw-in groove, described the first drive block 60 is fixed in described the first holddown groove 200 and is placed in described the first draw-in groove, and described the first drive block 60 slides in described the first draw-in groove; On described first slide block 20 one end near described Four-slider 26, offer the second holddown groove 202, described Four-slider 26 offers the second draw-in groove on the one end near described the first slide block 20, described the 4th drive block 66 is fixed in described the second holddown groove 202 and is placed in described the second draw-in groove, and described the 4th drive block 66 slides in described the second draw-in groove; On described the 3rd slide block 24 one end near described the second slide block 22, offer the 3rd holddown groove 240, on described second slide block 22 one end near described the 3rd slide block 24, offer the 3rd draw-in groove 222, described the second drive block 62 is fixed in described the 3rd holddown groove 240 and is placed in described the 3rd draw-in groove 222, and described the second drive block 62 is in the interior slip of described the 3rd draw-in groove 222; On described the 3rd slide block 24 one end near described Four-slider 26, offer the 4th holddown groove 242, described Four-slider 26 offers the 4th draw-in groove 262 on the one end near described the 3rd slide block 24, described the 3rd drive block 64 is fixed in described the 4th holddown groove 242 and is placed in described the 4th draw-in groove 262, and described the 3rd drive block 64 is in the interior slip of described the 4th draw-in groove 262.
Because described the first drive block 60 is fixed in described the first holddown groove 200 and slides in described the first draw-in groove, in the time that the first oil cylinder 80 drives described the first slide block 20 to slide along described the first slant rail, described the first slide block 20 drives described the first drive block 60 to move, described the first drive block 60 further drives described the second slide block 22 to move, and described the first drive block 60 slides and realizes described the second slide block 22 and move along described the second Angle Pin 42 in described the first draw-in groove simultaneously.Similarly, the operation principle of other drive blocks is identical with the operation principle of described the first drive block 60.
In the present embodiment, described the first drive block 60, the second drive block 62, the 3rd drive block 64 and the 4th drive block 66 adopt screw fixed form to be separately fixed in described the first holddown groove 200, the second holddown groove 202, the 3rd holddown groove 240 and the 4th holddown groove 242.Particularly, one end that described the first drive block 60 is fixed on described the first holddown groove 200 offers through hole, on the cell wall of described the first holddown groove 200, corresponding described through hole offers blind hole, and screw is tightened in described blind hole described the first drive block 60 is fixed in described the first holddown groove 200 through described through hole.Similarly, other drive blocks are identical with the concrete fixed form of described the first drive block 60 in the concrete fixed form of holddown groove.
In the present embodiment, described loose core of oil cylinder structure 2 also comprises the first oil cylinder fixed block 802 and the second oil cylinder fixed block 820 that are fixed on described front mould 5, and described the first oil cylinder fixed block 802 and the second oil cylinder fixed block 820 all adopt screw fixed form to be fixed on described front mould 5.Described the first oil cylinder 80 comprises the first oil cylinder body and the first cylinder rod, described the first cylinder rod moves with respect to described the first oil cylinder body, described the second oil cylinder 82 comprises the second oil cylinder body and the second cylinder rod, described the second cylinder rod can move with respect to described the second oil cylinder body, described the first oil cylinder body is fixed on described the first oil cylinder fixed block 802, described the second oil cylinder body is fixed on described the second oil cylinder fixed block 820, particularly, described the first oil cylinder body and described the second oil cylinder body all adopt screw fixed form fixedly to state respectively on the first oil cylinder fixed block 802 and described the second oil cylinder fixed block 820.In the present embodiment, the central axis of described the first oil cylinder body is parallel with the central axis of described the first Angle Pin, the central axis of described the second oil cylinder body is parallel with the central axis of described the 3rd Angle Pin, realize the direction of motion of oil cylinder thick stick and the direction of motion of slide block parallel, optimized the driving effect of oil cylinder.
In the present embodiment, described loose core of oil cylinder structure 2 also comprises the first contiguous block 808, the second contiguous block 804, the 3rd contiguous block 828 and the 4th contiguous block 824; On described the first slide block 20, offer the first breach 204, on described the 3rd slide block 24, offer the second breach 244, described the first contiguous block 808 is fixed in described the first breach 204, described the second contiguous block 804 is fixed on described the first contiguous block 808, and described the first cylinder rod is fixed on described the second contiguous block 804; Described the 3rd contiguous block 828 is fixed in described the second breach 244, and described the 4th contiguous block 824 is fixed on described the 3rd contiguous block 828, and described the second cylinder rod is fixed on described the 4th contiguous block 824.
Between described the first cylinder rod and described the first slide block 20, realize and being connected with described the second contiguous block 804 by described the first contiguous block 808, and then the power of described the first cylinder rod is passed to described the first slide block 20 to drive described the first slide block 20 to slide along described the first Angle Pin 40; Between described the second cylinder rod and described the 3rd slide block 26, realize and being connected with described the 4th contiguous block 824 by described the 3rd contiguous block 828, and then the power of described the second cylinder rod is passed to described the 3rd slide block 26 to drive described the 3rd slide block 26 to slide along described the 3rd Angle Pin 46.
Further, described the first contiguous block 808 is step-like, described the first contiguous block 808 comprises the first connecting portion, second connecting portion parallel with described the first connecting portion, vertical the 3rd connecting portion that connects described the first connecting portion and described the second connecting portion, described the first connecting portion is fixed in described the first breach 204, and described the second contiguous block 804 is fixed on described the second connecting portion; Described the 3rd contiguous block 828 is step-like, described the 3rd contiguous block 828 comprises the 4th connecting portion, five connecting portion parallel with described the 4th connecting portion, vertical the 6th connecting portion that connects described the 4th connecting portion and described the 5th connecting portion, described the 5th connecting portion is fixed in described the second breach 244, and described the 4th contiguous block 824 is fixed on described the 5th connecting portion.
Again further, described loose core of oil cylinder structure 2 also comprises the first pin 806 and the second pin 826; Described the first connecting portion is screwed in described the first breach 204, on described the second connecting portion, offer the first slot, described the second contiguous block 804 inserts in described the first slot and is contained in wherein, described the first pin 806 runs through the second contiguous block 804 so that described the second contiguous block is fixed in described the first slot through the sidewall of described the second connecting portion, on described the second contiguous block, offer the first screwed hole, described the first cylinder rod is threaded connection and is fixed in described the first screwed hole; Described the 4th connecting portion is screwed in described the second breach 244, on described the 4th connecting portion, offer the second slot, described the 4th contiguous block 824 inserts in described the second slot and is contained in wherein, described the second pin 826 runs through the 4th contiguous block 824 so that described the 4th contiguous block 824 is fixed in described the second slot through the sidewall of described the 5th connecting portion, on described the 4th contiguous block 824, offer the second screwed hole, described the second cylinder rod is threaded connection and is fixed in described the second screwed hole.
In the present embodiment, described the first slide block 20, the second slide block 22, the 3rd slide block 24 and Four-slider 26 have identical Core-pulling distance, and described Core-pulling distance moves to the distance moving while not hindering plastic demoulding position for slide block from shaping position.Particularly, described Core-pulling distance=L*cosa, wherein, L is effective impulse stroke of described the first oil cylinder 80 or the second oil cylinder 82, and a is the first Angle Pin 40, the second Angle Pin 42, the 3rd Angle Pin 44 or the axial outside direction of the 4th Angle Pin 46 and the angle of described front mould 5.
Further, angle a is more than or equal to 12 ° and be less than or equal to 22 °, and the value of a is larger, and the value of cosa is less, and this Core-pulling distance is also less, thereby has shortened the demould time of product, has improved the production efficiency of product.
With reference to Fig. 5 and Fig. 6, and in conjunction with Fig. 3 and Fig. 4, the course of work of the injection mold with loose core of oil cylinder structure of the present invention is:
1) in the time of described front mould 5 and rear mold die sinking, described the first oil cylinder 80 and the second oil cylinder 82 locked (not ejecting), make described the first slide block 20, the second slide block 22, the 3rd slide block 24 and Four-slider 26 there is no relative motion with described front mould 5, by the button bit on above-mentioned slide block, make product stay 5 li of above-mentioned slide block and described front moulds, rear mold is deviate from from product.
2) when after described front mould 5 and rear mold die sinking, described the first oil cylinder 80 and the second oil cylinder 82 drive respectively described the first contiguous block 808 and described the 3rd contiguous block 828 while ejecting, act on described the first slide block 20 and described the 3rd slide block 24, described the first slide block 20 acts on described the second slide block 22 by described the first drive block 60 and described the 4th drive block 66 and acts on described the second slide block 22 and described Four-slider 26 with described Four-slider 26 and described the 3rd slide block 24 by described the second drive block 62 and described the 3rd drive block 64, make four slide blocks simultaneously taking four Angle Pins as guide post, along axially ejecting of four Angle Pins.When four slide blocks and described front mould 5 are realized die sinking, by the button bit on above-mentioned sliding position, make product depart from front mould 5, and when above-mentioned slide block is outwards loosed core, depart from gradually slide block, thereby complete the whole demoulding and side core-pulling process.Whole die sinking process product does not need independent ejection system, but in side core-pulling of sliding block, has completed ejecting of product.
3) after product takes out, described the first oil cylinder 80 and the second oil cylinder 82 are retracted and are resetted, described the first oil cylinder 80 and the second oil cylinder 82 drive respectively described the first contiguous block 808 and described the 3rd contiguous block 828, act on described the first slide block 20 and described the 3rd slide block 24, described the first slide block 20 acts on described the second slide block 22 by described the first drive block 60 and described the 4th drive block 66 and acts on described the second slide block 22 and described Four-slider 26 with described Four-slider 26 and described the 3rd slide block 24 by described the second drive block 62 and described the 3rd drive block 64, make four slide blocks simultaneously taking four Angle Pins as guide post, along the axial reset of four Angle Pins, thereby complete the homing action of four slide blocks.
These are only the preferred embodiments of the present invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. an injection mold with loose core of oil cylinder structure, is characterized in that, described injection mold comprises front mould and loose core of oil cylinder structure; Described loose core of oil cylinder structure comprises the first Angle Pin and the 3rd Angle Pin that stretch out and be oppositely arranged from described front mould, the second Angle Pin and the 4th Angle Pin that stretch out and be oppositely arranged from described front mould, be set in respectively the first slide block, the second slide block, the 3rd slide block and Four-slider on described the first Angle Pin, the second Angle Pin, the 3rd Angle Pin and the 4th Angle Pin, and the first oil cylinder and the second oil cylinder that are fixed on described front mould and are oppositely arranged; Described the first slide block link described the second slide block and described Four-slider and described the 3rd slide block link described the second slide block and described Four-slider, described the first oil cylinder is used for driving described the first slide block to slide along described the first Angle Pin, and then described the first slide block links described the second slide block and Four-slider respectively along described the second Angle Pin and described the 4th Angle Pin slip; Described the second oil cylinder is used for driving described the 3rd slide block to slide along described the 3rd Angle Pin, and then described the 3rd slide block links described the second slide block and Four-slider respectively along described the second Angle Pin and described the 4th Angle Pin slip.
2. the injection mold with loose core of oil cylinder structure as claimed in claim 1, it is characterized in that, described loose core of oil cylinder structure also comprises the first drive block, the second drive block, the 3rd drive block and the 4th drive block, described the first drive block is arranged between the two ends that described the first slide block is adjacent with described the second slide block for being connected described the first slide block and described the second slide block, described the 4th drive block is arranged between the two ends that described the first slide block is adjacent with described Four-slider for being connected described the first slide block and described Four-slider, described the second drive block is arranged between the two ends that described the 3rd slide block is adjacent with described the second slide block for being connected described the 3rd slide block and described the second slide block, described the 3rd drive block is arranged between the two ends that described the 3rd slide block is adjacent with described Four-slider for being connected described the 3rd slide block and described Four-slider, described the first slide block is by described the first drive block and described the 4th drive block link described the second slide block and described Four-slider, and described the 3rd slide block is by described the second drive block and the 3rd drive block link described the second slide block and described Four-slider.
3. the injection mold with loose core of oil cylinder structure as claimed in claim 2, it is characterized in that, described the first slide block offers the first holddown groove on the one end near described the second slide block, described the second slide block offers the first draw-in groove on the one end near described the first slide block, described the first drive block is fixed in described the first holddown groove and is placed in described the first draw-in groove, and described the first drive block slides in described the first draw-in groove; On described first slide block one end near described Four-slider, offer the second holddown groove, described Four-slider offers the second draw-in groove on the one end near described the first slide block, described the 4th drive block is fixed in described the second holddown groove and is placed in described the second draw-in groove, and described the 4th drive block slides in described the second draw-in groove; On described the 3rd slide block one end near described the second slide block, offer the 3rd holddown groove, described the second slide block offers the 3rd draw-in groove on the one end near described the 3rd slide block, described the second drive block is fixed in described the 3rd holddown groove and is placed in described the 3rd draw-in groove, and described the second drive block slides in described the 3rd draw-in groove; On described the 3rd slide block one end near described Four-slider, offer the 4th holddown groove, described Four-slider offers the 4th draw-in groove on the one end near described the 3rd slide block, described the 3rd drive block is fixed in described the 4th holddown groove and is placed in described the 4th draw-in groove, and described the 3rd drive block slides in described the 4th draw-in groove.
4. the injection mold with loose core of oil cylinder structure as claimed in claim 3, it is characterized in that, described the first drive block, the second drive block, the 3rd drive block and the 4th drive block adopt screw fixed form to be separately fixed in described the first holddown groove, the second holddown groove, the 3rd holddown groove and the 4th holddown groove.
5. the injection mold with loose core of oil cylinder structure as claimed in claim 1, it is characterized in that, described loose core of oil cylinder structure also comprises the first oil cylinder fixed block and the second oil cylinder fixed block that are fixed on described front mould, described the first oil cylinder comprises the first oil cylinder body and the first cylinder rod, described the first cylinder rod moves with respect to described the first oil cylinder body, described the second oil cylinder comprises the second oil cylinder body and the second cylinder rod, described the second cylinder rod moves with respect to described the second oil cylinder body, described the first oil cylinder body is fixed on described the first oil cylinder fixed block, described the second oil cylinder body is fixed on described the second oil cylinder fixed block.
6. the injection mold with loose core of oil cylinder structure as claimed in claim 5, is characterized in that, described loose core of oil cylinder structure also comprises the first contiguous block, the second contiguous block, the 3rd contiguous block and the 4th contiguous block; On described the first slide block, offer the first breach, on described the 3rd slide block, offer the second breach, described the first contiguous block is fixed in described the first breach, and described the second contiguous block is fixed on described the first contiguous block, and described the first cylinder rod is fixed on described the second contiguous block; Described the 3rd contiguous block is fixed in described the second breach, and described the 4th contiguous block is fixed on described the 3rd contiguous block, and described the second cylinder rod is fixed on described the 4th contiguous block.
7. the injection mold with loose core of oil cylinder structure as claimed in claim 6, it is characterized in that, described the first contiguous block is step-like, comprise the first connecting portion, second connecting portion parallel with described the first connecting portion, vertical the 3rd connecting portion that connects described the first connecting portion and described the second connecting portion, described the first connecting portion is fixed in described the first breach, and described the second contiguous block is fixed on described the second connecting portion; Described the 3rd contiguous block is step-like, comprise the 4th connecting portion, five connecting portion parallel with described the 4th connecting portion, vertical the 6th connecting portion that connects described the 4th connecting portion and described the 5th connecting portion, described the 5th connecting portion is fixed in described the second breach, and described the 4th contiguous block is fixed on described the 5th connecting portion.
8. the injection mold with loose core of oil cylinder structure as claimed in claim 7, is characterized in that, described loose core of oil cylinder structure also comprises the first pin and the second pin; Described the first connecting portion is screwed in described the first breach, on described the second connecting portion, offer the first slot, described the second contiguous block inserts in described the first slot and is contained in wherein, described the first pin runs through the second contiguous block so that described the second contiguous block is fixed in described the first slot through the sidewall of described the second connecting portion, on described the second contiguous block, offer the first screwed hole, on the outer surface of described the first cylinder rod, offer the first screw thread, described the first cylinder rod is fixed in described the first screwed hole by described the first screw thread; Described the 4th connecting portion is screwed in described the second breach, on described the 4th connecting portion, offer the second slot, described the 4th contiguous block inserts in described the second slot and is contained in wherein, described the second pin runs through the 4th contiguous block so that described the 4th contiguous block is fixed in described the second slot through the sidewall of described the 5th connecting portion, on described the 4th contiguous block, offer the second screwed hole, on the outer surface of described the second cylinder rod, offer the second screw thread, described the second cylinder rod is fixed in described the second screwed hole by described the second screw thread.
9. the injection mold with loose core of oil cylinder structure as claimed in claim 5, it is characterized in that, the central axis of described the first oil cylinder body is parallel with the central axis of described the first Angle Pin, and the central axis of described the second oil cylinder body is parallel with the central axis of described the 3rd Angle Pin.
10. the injection mold with loose core of oil cylinder structure as claimed in claim 1, it is characterized in that, described the first slide block, the second slide block, the 3rd slide block and Four-slider have identical Core-pulling distance, described Core-pulling distance=L*cosa, wherein, L is effective impulse stroke of described the first oil cylinder or the second oil cylinder, and a is the first Angle Pin, the second Angle Pin, the 3rd Angle Pin or the axial outside direction of the 4th Angle Pin and the angle of described front mould, 12 °≤a≤22 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410389894.8A CN104149290A (en) | 2014-08-08 | 2014-08-08 | Injection mould provided with oil cylinder core-pulling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410389894.8A CN104149290A (en) | 2014-08-08 | 2014-08-08 | Injection mould provided with oil cylinder core-pulling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104149290A true CN104149290A (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410389894.8A Pending CN104149290A (en) | 2014-08-08 | 2014-08-08 | Injection mould provided with oil cylinder core-pulling structure |
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| CN (1) | CN104149290A (en) |
Cited By (5)
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| CN105500638A (en) * | 2015-12-30 | 2016-04-20 | 优力精密塑胶（苏州工业园区）有限公司 | Core pulling mechanism with inclined slide block on slide block |
| CN106182507A (en) * | 2016-09-29 | 2016-12-07 | 深圳天珑无线科技有限公司 | slide block fixed structure and die fixing structure |
| CN107116762A (en) * | 2017-05-04 | 2017-09-01 | 合肥美的电冰箱有限公司 | Mould and its injection moulding process for injection-molded plate |
| CN108568951A (en) * | 2018-06-05 | 2018-09-25 | 张强 | A kind of three plate mould of auxiliary complete demolding structure in ejection four sides of gas |
| CN113910552A (en) * | 2021-08-31 | 2022-01-11 | 佳京达(苏州)模具科技有限公司 | Injection mold with linked upper mold and sliding block |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105500638A (en) * | 2015-12-30 | 2016-04-20 | 优力精密塑胶（苏州工业园区）有限公司 | Core pulling mechanism with inclined slide block on slide block |
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| CN107116762B (en) * | 2017-05-04 | 2019-05-28 | 合肥美的电冰箱有限公司 | Mold and its injection moulding process for injection-molded plate |
| CN108568951A (en) * | 2018-06-05 | 2018-09-25 | 张强 | A kind of three plate mould of auxiliary complete demolding structure in ejection four sides of gas |
| CN113910552A (en) * | 2021-08-31 | 2022-01-11 | 佳京达(苏州)模具科技有限公司 | Injection mold with linked upper mold and sliding block |
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Application publication date: 20141119 |
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