CN203460392U - Sliding block device with accelerated core-pulling mechanism and delayed core-pulling mechanism - Google Patents
Sliding block device with accelerated core-pulling mechanism and delayed core-pulling mechanism Download PDFInfo
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- CN203460392U CN203460392U CN201320558338.XU CN201320558338U CN203460392U CN 203460392 U CN203460392 U CN 203460392U CN 201320558338 U CN201320558338 U CN 201320558338U CN 203460392 U CN203460392 U CN 203460392U
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- pulling mechanism
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Abstract
The utility model discloses a sliding block device with an accelerated core-pulling mechanism and a delayed core-pulling mechanism. The slide blocking device comprises a sliding block arranged on a lower die, an inclined guide column arranged on an upper die and a locking block, wherein the sliding block is provided with a guide groove and an inclined surface; the inclined guide column is inserted into the guide groove; the locking block is provided with a first locking surface attached to the inclined surface; the sliding block is also provided with an accelerated core-pulling mechanism and a delayed core-pulling mechanism which are attached to the locking block respectively. The sliding block device with the accelerated core-pulling mechanism and the delayed core-pulling mechanism, disclosed by the utility model, can be used for finishing core pulling of the sliding block in three steps, so that the enclosing force of a plastic product to the sliding block is reduced, the problem that the plastic product can glue the sliding block easily during the core pulling of the sliding block is solved, and the plastic product is prevented from being pulled to be damaged, even broken.
Description
Technical field
The utility model relates to injection mold technical field, relates in particular to a kind of slide block device that accelerates core-pulling mechanism and delay core pulling that has.
Background technology
Slide block is one of core-pulling mechanism common in injection mold, for solving the demoulding of goods back-off structure.Common slide block mechanism is under the effect of Angle Pin or oil cylinder, disposable goods back-off is loosed core.
Common slide block is to loose core to back-off shape is disposable, for running into the situation that goods back-off is larger to slide block package power, easily goods are pulled, as the position of loosing core also has screw pole, or the muscle position on goods also goes out on the position of loosing core.Now adopt common slide block mechanism, when slide block departs from plastic, plastic can cling slide block, and can move together along with slide block, finally causes the situations such as plastic distortion, damage or off-dimension to produce.At this moment common slide block mechanism just can not meet the requirement of loosing core of goods back-off, need to design special sliding block core-pulling mechanism, reduces the package power of goods to slide block, makes the smooth demoulding of goods back-off.
Utility model content
The utility model is for problems of the prior art, a kind of slide block device that accelerates core-pulling mechanism and delay core pulling that has is provided, by accelerating core-pulling mechanism and delay core pulling, reduced the package power of plastic products to slide block, the problem of the easy stick-slip piece of plastic products while having solved slipper block loose core, has avoided plastic products to be pulled situation about even breaking.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of slide block device with acceleration core-pulling mechanism and delay core pulling, comprise and be arranged on the slide block of counterdie, the Angle Pin that is arranged on patrix and latch segment, described slide block has guide groove and inclined plane, described Angle Pin inserts in described guide groove, described latch segment has the first locking face fitting with described inclined plane, described slide block also has the core-pulling mechanism of acceleration and delay core pulling, and described acceleration core-pulling mechanism and delay core pulling are fitted with described latch segment respectively.
Further, described acceleration core-pulling mechanism comprises edge core, on described edge core, has the first inclined-plane, and described latch segment has the second locking face fitting with described the first inclined-plane.
Further, the angle of described the second locking face is greater than the angle of described Angle Pin.
Further, the angle of described the second locking face is than the angle of described Angle Pin large 5 °-10 °.
Preferably, the angle of described the second locking face is than the angle of described Angle Pin large 7 °.
Further, on described edge core, be set with the first back-moving spring.
Further, described acceleration core-pulling mechanism also comprises the first limited block, and described the first limited block is fixed on slide block, has the first position limiting structure matching with the first limited block on described edge core, spacing to described edge core.
Further, described edge core, through described the first limited block and the laminating of the second locking face, has boss on described edge core, inlays core and move while putting in place in die sinking process, and described boss is pressed on described the first limited block.
Further, described delay core pulling comprises jacking block and the jacking block bar that is arranged on jacking block rear end, and the rear end face top of described jacking block bar is that the second inclined-plane and bottom are the second vertical plane.
Further, described latch segment has the 3rd inclination locking face fitting with described the second inclined-plane, and with the 3rd vertical locking face that described the second vertical plane fits, the described the 3rd vertical locking face is positioned at the top of described the 3rd inclination locking face.
Further, described the 3rd inclination locking face angle is greater than the angle of described Angle Pin.
Further, described the 3rd inclination locking face angle is than the angle of described Angle Pin large 2 °-3 °.
Preferably, the angle of described the second locking face is than the angle of described Angle Pin large 2 °.
Further, on described jacking block bar, be set with the second back-moving spring.
Further, described acceleration core-pulling mechanism also comprises the second limited block, and described the second limited block is fixed on slide block, has the second position limiting structure matching with the second limited block on described jacking block bar, spacing to described jacking block bar.
Compared with prior art, advantage of the present utility model and good effect are: the slide block device with acceleration core-pulling mechanism and delay core pulling the utility model proposes, by accelerating core-pulling mechanism and delay core pulling, loosing core of slide block is divided into three times to complete, reduced the package power of plastic products to slide block, the problem of the easy stick-slip piece of plastic products while having solved slipper block loose core, has avoided plastic products to be pulled situation about even breaking; Employing arranges the scheme loose core and postpone to loose core accelerated when slipper block loose core, screw pole endoporus is inlayed to core and be designed to an acceleration core-pulling mechanism, and the speed of loosing core that makes to inlay core is faster than the speed of loosing core of slide block, has so just reduced the package power of screw pole to slide block; In order to prevent the muscle position stick-slip piece on goods, on slide block, designed the delay core pulling with jacking block, when slide block starts to loose core, it is motionless that jacking block withstands plastic, after slide block departs from goods muscle position, jacking block starts to retreat, and has so just avoided the generation of the situation that plastic pulled.
Read by reference to the accompanying drawings after the specific embodiment of the present utility model, other features of the present utility model and advantage will become clearer.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment with the slide block device that accelerates core-pulling mechanism and delay core pulling that proposes of the utility model;
Fig. 2 is the sectional structure schematic diagram of the vertical plane of the fore-and-aft direction of edge process Angle Pin center line in Fig. 1;
Fig. 3 is the sectional structure schematic diagram of the vertical plane of the fore-and-aft direction of edge process edge core center line in Fig. 1;
Fig. 4 is the sectional structure schematic diagram of the vertical plane of the fore-and-aft direction of edge process jacking block bar center line in Fig. 1;
Fig. 5 is the structural representation of latch segment in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in detail.
In description of the present utility model, it will be appreciated that, term " on ", orientation or the position relationship of the indication such as D score, 'fornt', 'back' be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " be only for describing object, and can not be interpreted as indication or hint relative importance.
Consult Fig. 1-5, an embodiment with the slide block device that accelerates core-pulling mechanism and delay core pulling, it should be noted that the structure of expressing slide block device in the present embodiment for clearer, Fig. 1 be removed patrix 10, slide block pressing plate 13 and slide block is cut off and front side is removed after structural representation.
Slide block device in the present embodiment comprises patrix 10 and counterdie 20, and patrix 10 is cover half, and counterdie 20 is dynamic model, is fixed with Angle Pin 2 and latch segment 3 on patrix 10, is provided with slide block 1 on counterdie 20, and slide block 1 has guide groove 11 and inclined plane 12.Under matched moulds state, Angle Pin 2 inserts in guide groove 11, and latch segment 3 has the first locking face 31 fitting with inclined plane 12.On slide block 1, be also fixed with and accelerate core-pulling mechanism 4 and delay core pulling 5, accelerate core-pulling mechanism 4 and delay core pulling 5 and fit with latch segment 3 respectively.
In die sinking process, Angle Pin 2 moves in guide groove 11, makes slide block 1 do backward the motion of loosing core, the first locking face 31 and inclined plane 12 relative motions of latch segment 3.Acceleration core-pulling mechanism 4 on slide block 1 is faster than the speed of loosing core of slide block, and delay core pulling 5 is slower than the speed of loosing core of slide block.Like this loosing core of slide block 1 being divided into three times and completing, is first that the acceleration core-pulling mechanism 4 on slide block 1 departs from plastic products 30, is that slide block 1 departs from plastic products 30 afterwards, is finally that the delay core pulling 5 on slide block 1 departs from plastic products 30; Divide the action of loosing core that completes slide block 1 for three times, reduced the package power of 30 pairs of slide blocks 1 of plastic products, solved the problem of plastic products 30 easy stick-slip pieces when slide block 1 is loosed core, avoided plastic products 30 to be pulled situation about even breaking.
Consult Fig. 1 and Fig. 2, in die sinking or matched moulds process, slide block 1 moves upward in front and back, and meanwhile, slide block 1 departs from or locking mutually with latch segment 3, and the inclined plane 11 of slide block 1 and the first locking face 31 move mutually.In order to increase the service life of mould, and the wearing and tearing of less mould, fixing wearing plate 6 on the inclined plane 11 of slide block 1, the bottom surface of slide block 1 is provided with the Wear-resisting bottom plate 7 that is fixed on counterdie.On Wear-resisting bottom plate 7, have strip hole 71, slider bottom is fixed with straight pin 16, and straight pin 16 is in the interior motion of strip hole 71, and the slide block 1 front and back direction of loosing core is positioned.
Consult Fig. 3 and Fig. 5, accelerate core-pulling mechanism 4 and comprise edge core 41, the rear end of edge core 41 is the first inclined-plane 411, has the second locking face 32 fitting with the first inclined-plane 411 on latch segment 3.Faster than the speed of loosing core of slide block 1 in order to accelerate the speed of loosing core of core-pulling mechanism 4, the angle of the second locking face 32 should be larger than the angle of Angle Pin 2.The angle of Angle Pin 2 is angles of Angle Pin 2 and vertical direction, and the angle φ of the second locking face 32 is angles of the second locking face 32 and vertical direction.When die sinking, counterdie 20 moves downward, now Angle Pin 2 is in the interior motion of guide groove 11, the first inclined-plane 411 that accelerates core-pulling mechanism 4 moves downward along the second locking face 32, because the angle φ of the second locking face 32 should be larger than the angle of Angle Pin 2, so when counterdie 20 moves downward, the distance that acceleration core-pulling mechanism 4 moves backward at fore-and-aft direction is greater than the distance that slide block 1 moves backward at fore-and-aft direction, thereby acceleration core-pulling mechanism 4 first departs from plastic products 30 than slide block 1.
Accelerate core-pulling mechanism 4 and also comprise that the first limited block 42, the first limited blocks 42 are fixed on slide block 1, on edge core 41, there is the first position limiting structure matching with the first limited block 42.In the present embodiment, edge core 41 is through the first limited block 42 and wearing plate 7, make the first inclined-plane 411 and the second locking face 32 laminatings, on edge core 41, there is boss, in die sinking process, inlay core 1 and move while putting in place, boss is pressed on limited block 42, makes to inlay core 1 slide block 1 motion backward more relatively, namely spacing to edge core 1, consult shown in Fig. 1.
In order to accelerate core-pulling mechanism 4 when the die sinking, there is the power of motion backward, on edge core 1, be set with the first back-moving spring 43, the rear end face of the first back-moving spring 43 withstands on edge core 1, and front end face withstands on slide block 1, under matched moulds state, the first back-moving spring 43 is compacted, consults shown in Fig. 3.
Consult Fig. 4 and Fig. 5, delay core pulling 5 comprises jacking block 51 and the jacking block bar 52 that is arranged on jacking block rear end, and jacking block bar 52 rear end face tops are that the second 521, bottom, inclined-plane is the second vertical plane 522.At latch segment 3, having the 3rd locking face 33, the three locking face 33 tops that fit with jacking block bar 52 rear end faces is that the 3rd vertical locking face 331, bottom are the 3rd inclination locking face 332.Under matched moulds state, the second vertical plane 522 on jacking block bar 52 is fitted on the 3rd vertical locking face 33 of latch segment 3.In die sinking process, counterdie 20 band movable sliders 1 move downward, and under the effect of Angle Pin 2, slide block 1 moves backward simultaneously, and slide block 1 departs from plastic products 30.When slide block 1 moves downward, jacking block bar 52 also moves downward with slide block 1, and the second vertical plane 522 also moves downward along the 3rd vertical locking face 33, and plastic products 30 also move downward with counterdie 20, and now jacking block 51 and jacking block bar 52 are with respect to not motion of plastic products 30; When jacking block bar 52 moves downward the second inclined-plane 521 and the 3rd inclination locking face 332 laminating, jacking block bar 52 also has motion backward when moving downward.When slide block 1 starts to loose core, it is motionless that jacking block 51 and jacking block bar 52 withstand plastic products 30, and slide block 1 departs from after plastic products 30, and jacking block 51 and jacking block bar 52 start to retreat.
Because delay core pulling 5 keeps motionless in slide block 1 stage of loosing core with respect to plastic products 30, therefore the speed that delay core pulling 5 moves backward than slide block 1 in the process of motion is backward fast, so that before the second inclined-plane 521 and the 3rd inclination locking face 332 disengagings, jacking block bar 52 is be synchronized with the movement relative with slide block 1, otherwise when matched moulds, can cause the interference of latch segment 3 and jacking block bar 52.The angle ω of the 3rd inclination locking face 332 should be larger than the angle of Angle Pin 2.
In the present embodiment, delay core pulling 5 is closer with acceleration core-pulling mechanism 4 distances, so delay core pulling 5 shares the first limited block 41 with accelerating core-pulling mechanism 4, has the second position limiting structure matching with the first limited block 42 on jacking block bar 52.
In other embodiment, delay core pulling 5 also can arrange separately the second limited block, and jacking block bar 52 is played to position-limiting action.
For delay core pulling 5, there is the power of motion backward, on jacking block bar 52, be set with the second back-moving spring 53, the rear end face of back-moving spring 53 withstands on jacking block bar 52, and front end face withstands on slide block, and under matched moulds state, back-moving spring 43 is compressed a little.
Consult Fig. 5, in the present embodiment, the angle of choosing Angle Pin 2 is 18 °, and the first locking face 31 angle betas of latch segment 3 are larger than Angle Pin angle
, while avoiding matched moulds, be locked piece 3 of slide block 1 clashes into, and slide block 1 is misplaced, and chooses the first locking face 31 angle beta=20 °.
The angle φ of the second locking face 32 φ should be than the angle of Angle Pin 2 large 5 °-10 °, in the present embodiment, chooses angle φ=25 ° of the second locking face 32.
The angle ω of the 3rd inclination locking face 332 should be than the angle of Angle Pin 2 large 2 °-3 °, in the present embodiment, chooses angle ω=20 ° of the 3rd inclination locking face 332.
Consult Fig. 1-5, the course of work with the slide block device that accelerates core-pulling mechanism and delay core pulling be described:
After injection moulding completes during die sinking, counterdie 20 band movable sliders 1 move downward, slide block 1 is also done backward the motion of loosing core under the effect of Angle Pin 2, the first inclined-plane 411 second locking face 32 along latch segment 3 under the effect of back-moving spring 43 of simultaneously inlaying core 41 moves backward, because the angle φ of the second locking face 32 is larger than the angle of Angle Pin 2, so accelerate core-pulling mechanism 4, than slide block 1, first depart from plastic products 30.
Meanwhile, the second vertical plane 522 of jacking block bar 52 also moves downward along the 3rd vertical locking face 33 of latch segment 3, and jacking block bar 52 heads on plastic products 30 at fore-and-aft direction and keeps motionless; When jacking block bar 52 moves downward the second inclined-plane 521 and the 3rd inclination locking face 332 laminating, jacking block bar 52 also has motion backward when moving downward.When slide block 1 starts to loose core, it is motionless that jacking block 51 and jacking block bar 52 withstand plastic products 30, and slide block 1 departs from after plastic products 30, and jacking block 51 and jacking block bar 52 start to retreat.The angle of the angle ω heavy rain Angle Pin 2 of the 3rd inclination locking face 332, so the speed that delay core pulling 5 moves backward than slide block 1 in the process of motion is backward fast.
When the position limiting structure of edge core 41 is encountered the first limited block 42, the first inclined-plane 411 of edge core 41 starts to depart from the second locking face 32 inclined-planes of latch segment 3, and acceleration core-pulling mechanism 4 stops the relative motion with slide block 1; When the position limiting structure of jacking block bar 52 is encountered the first limited block 42, the second inclined-plane 521 of jacking block bar 52 starts to depart from the 3rd inclination locking face 332 of latch segment 3, and delay core pulling 5 stops the relative motion with slide block 1.When slide block 1 departs from Angle Pin 2, slide block 1 stops the motion of loosing core of fore-and-aft direction, and at this moment slide block 1 rear side contacts with limited block 17, and the straight pin 16 of slide block 1 bottom is stuck in line position folder 21 simultaneously.
When patrix 10 and counterdie 20 matched moulds, Angle Pin 2 enters the guide groove 11 on slide block 1, and band movable slider 1 is to front slide, and straight pin 16 departs from line position folder 21.When the rear end face of edge core 41 and jacking block bar 52 is encountered latch segment 3, the two starts to travel forward with respect to slide block 1, and the spring on edge core 41 and jacking block bar 52 is by compressed.When on jacking block bar 52, the second vertical plane 522 arrives on the 3rd vertical locking face 33 of latch segments 3, delay core pulling 5 fore-and-aft direction motions stop, because slide block 1 continues to travel forward along Angle Pin 2 directions, so compressed spring 53 starts to reset on jacking block bar 52.
Under matched moulds state, slide block 1 resets to the end, relies on latch segment 3 to be pressed on rear pattern plate 20, and edge core 41 and jacking block bar 52 also rely on latch segment 3 to be pressed on slide block 1.
Above embodiment is only in order to the technical solution of the utility model to be described, but not is limited; Although the utility model is had been described in detail with reference to previous embodiment, for the person of ordinary skill of the art, the technical scheme that still can record previous embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model technical scheme required for protection.
Claims (10)
1. one kind has the slide block device that accelerates core-pulling mechanism and delay core pulling, comprise and be arranged on the slide block of counterdie, the Angle Pin that is arranged on patrix and latch segment, described slide block has guide groove and inclined plane, described Angle Pin inserts in described guide groove, described latch segment has the first locking face fitting with described inclined plane, it is characterized in that, described slide block also has the core-pulling mechanism of acceleration and delay core pulling, and described acceleration core-pulling mechanism and delay core pulling are fitted with described latch segment respectively.
2. slide block device according to claim 1, it is characterized in that, described acceleration core-pulling mechanism comprises edge core, on described edge core, has the first inclined-plane, described latch segment has the second locking face fitting with described the first inclined-plane, and the angle of described the second locking face is greater than the angle of described Angle Pin.
3. slide block device according to claim 2, is characterized in that, large 5 °-10 ° than the angle of described Angle Pin of the angles of described the second locking face.
4. slide block device according to claim 2, it is characterized in that, described acceleration core-pulling mechanism also comprises the first limited block, and described the first limited block is fixed on slide block, on described edge core, there is the first position limiting structure matching with the first limited block, spacing to described edge core.
5. slide block device according to claim 4, it is characterized in that, described edge core, through described the first limited block and the laminating of the second locking face, has boss on described edge core, in die sinking process, inlay core and move while putting in place, described boss is pressed on described the first limited block.
6. according to the slide block device described in claim 1 to 5 any one, it is characterized in that, described delay core pulling comprises jacking block and the jacking block bar that is arranged on jacking block rear end, and the rear end face top of described jacking block bar is that the second inclined-plane and bottom are the second vertical plane.
7. slide block device according to claim 6, it is characterized in that, described latch segment have the 3rd inclination locking face that fits with described the second inclined-plane, with the 3rd vertical locking face that described the second vertical plane fits, the described the 3rd vertical locking face is positioned at the top of described the 3rd inclination locking face.
8. slide block device according to claim 7, is characterized in that, described the 3rd inclination locking face angle is greater than the angle of described Angle Pin.
9. slide block device according to claim 8, is characterized in that, large 2 °-3 ° than the angle of described Angle Pin of described the 3rd inclination locking face angles.
10. slide block device according to claim 6, it is characterized in that, described acceleration core-pulling mechanism also comprises the second limited block, and described the second limited block is fixed on slide block, on described jacking block bar, there is the second position limiting structure matching with the second limited block, spacing to described jacking block bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320558338.XU CN203460392U (en) | 2013-09-10 | 2013-09-10 | Sliding block device with accelerated core-pulling mechanism and delayed core-pulling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320558338.XU CN203460392U (en) | 2013-09-10 | 2013-09-10 | Sliding block device with accelerated core-pulling mechanism and delayed core-pulling mechanism |
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| CN203460392U true CN203460392U (en) | 2014-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320558338.XU Expired - Fee Related CN203460392U (en) | 2013-09-10 | 2013-09-10 | Sliding block device with accelerated core-pulling mechanism and delayed core-pulling mechanism |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934980A (en) * | 2014-04-03 | 2014-07-23 | 苏州益群模具有限公司 | Slider core-pulling system of automobile injection mould |
| CN107053612A (en) * | 2017-04-27 | 2017-08-18 | 福州福耀模具科技有限公司 | Double color mould slipper block loose core delay device and its method of work |
| CN107379432A (en) * | 2017-08-17 | 2017-11-24 | 上海小糸车灯有限公司 | Double-colored dispensable mould product sliding block core-pulling mechanism |
| CN108656475A (en) * | 2018-07-11 | 2018-10-16 | 常州星宇车灯股份有限公司 | A kind of core-pulling mechanism for moulded plastic products |
| CN111168945A (en) * | 2020-01-10 | 2020-05-19 | 宁波方正汽车模具股份有限公司 | Forced releasing mechanism for air conditioner shell |
| CN114029472A (en) * | 2021-11-17 | 2022-02-11 | 无锡锡南科技股份有限公司 | Take oblique guide pillar device low pressure mould of loosing core of gradient |
-
2013
- 2013-09-10 CN CN201320558338.XU patent/CN203460392U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103934980A (en) * | 2014-04-03 | 2014-07-23 | 苏州益群模具有限公司 | Slider core-pulling system of automobile injection mould |
| CN107053612A (en) * | 2017-04-27 | 2017-08-18 | 福州福耀模具科技有限公司 | Double color mould slipper block loose core delay device and its method of work |
| CN107053612B (en) * | 2017-04-27 | 2023-04-14 | 福州福耀模具科技有限公司 | Double-color-mold sliding block core-pulling delay mechanism and working method thereof |
| CN107379432A (en) * | 2017-08-17 | 2017-11-24 | 上海小糸车灯有限公司 | Double-colored dispensable mould product sliding block core-pulling mechanism |
| CN108656475A (en) * | 2018-07-11 | 2018-10-16 | 常州星宇车灯股份有限公司 | A kind of core-pulling mechanism for moulded plastic products |
| CN111168945A (en) * | 2020-01-10 | 2020-05-19 | 宁波方正汽车模具股份有限公司 | Forced releasing mechanism for air conditioner shell |
| CN114029472A (en) * | 2021-11-17 | 2022-02-11 | 无锡锡南科技股份有限公司 | Take oblique guide pillar device low pressure mould of loosing core of gradient |
| CN114029472B (en) * | 2021-11-17 | 2023-02-21 | 无锡锡南科技股份有限公司 | Take oblique guide pillar device low pressure mould of loosing core of gradient |
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