CN113967991B - Time delay core-pulling die for oblique ejection of sliding block - Google Patents
Time delay core-pulling die for oblique ejection of sliding block Download PDFInfo
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- CN113967991B CN113967991B CN202010714147.2A CN202010714147A CN113967991B CN 113967991 B CN113967991 B CN 113967991B CN 202010714147 A CN202010714147 A CN 202010714147A CN 113967991 B CN113967991 B CN 113967991B
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- sliding block
- oblique
- guide pillar
- sliding
- wedge
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- 239000002131 composite material Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
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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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a delay core-pulling die for a sliding block oblique ejection, which comprises a sliding block, an oblique ejection seat and an oblique wedge, wherein the sliding block is arranged on a movable die in a sliding manner, the oblique ejection seat is arranged in the sliding block in a sliding manner, the oblique wedge is fixed on a fixed die, one end of the oblique ejection seat is connected with an inner buckling position, the inner buckling position extends out of the sliding block to be matched with an outer buckling position on a product in a cavity to be molded, the oblique wedge is obliquely provided with an oblique guide pillar for driving the sliding block to slide, the sliding block is provided with an oblique guide pillar hole corresponding to the oblique guide pillar, the oblique ejection seat is provided with a delay slot, the oblique guide pillar penetrates through the oblique guide pillar hole and the delay slot, a clearance is arranged between the oblique ejection seat and the sliding block, and the clearance is smaller than the size of the delay slot along the core-pulling direction. The invention adopts a mode of a composite structural member, reduces the overall outline dimension of the die, reduces the processing difficulty, reduces the manufacturing period of the die and greatly controls the cost of the die.
Description
Technical Field
The invention relates to the technical field of dies, in particular to a delay core-pulling die with a sliding block obliquely-pushing top.
Background
At present, the buckling structure of the product is increasingly applied to modeling design, but the buckling position of the lamp is reserved at the end part of the product in the loading process of the whole lamp because of the limitation of the structural position, the space size and other factors. The conventional mould release mechanism such as a sliding block, an inner drawer, an inclined top and the like can meet the release requirements of different product buckling positions in terms of functions, but is single in function and large in space size requirement, and in the mould design, the composite buckling position condition of the product is difficult to solve through a single structural member.
Therefore, the light guide lamp product has the condition that the outer buckling position and the inner buckling position are together, and the inner buckling position is wrapped by the outer buckling position due to the structural requirement. Considering the design concept, it is usually recommended to change the product data by the product design, let the external buckling position go through, release the internal buckling position from the product structure, and the mold design adopts three sets of splice type sliding blocks to solve the above problems. However, as the overall size of the die is enlarged, the processing difficulty is increased; meanwhile, under the condition that the product structure cannot be changed, the situation that the buckling positions are compounded is difficult to solve only by means of a single die structure.
Disclosure of Invention
The invention aims to solve the problem that the inner buckling position of the existing die is wrapped by the outer buckling position and is difficult to trip, and the invention adopts a delay core pulling die with a sliding block obliquely propped up, which comprises a sliding block arranged on a movable die, an oblique propping seat arranged in the sliding block in a sliding manner and an oblique wedge fixed on a fixed die, wherein one end of the oblique propping seat is connected with the inner buckling position, the inner buckling position extends out of the sliding block to be matched with the outer buckling position on a product in a cavity, the oblique wedge is obliquely provided with an oblique guide post for driving the sliding block to slide, the sliding block is provided with an oblique guide post hole corresponding to the oblique guide post, the oblique propping seat is provided with a delay slot, the oblique guide post penetrates through the oblique guide post hole and the delay slot, a clearance is arranged between the oblique propping seat and the sliding block, and the size of the clearance along the core pulling direction is smaller than the size of the delay slot along the core pulling direction.
Preferably, the inclined wedge comprises a connecting part and a main body part, the connecting part is connected with the main body part to form an L shape, the main body part is positioned above the sliding block, the connecting part is positioned at one end of the sliding block away from the inner buckling position, and the inclined guide pillar is fixedly arranged on the main body part.
Further, a limiting block used for limiting the sliding travel of the inclined top seat is fixed on the movable die, and the limiting block is located at one end, far away from the sliding block, of the connecting portion. When the inclined top seat contacts the limiting block, the movement is stopped, and the movement stroke of the inclined top seat is limited.
Preferably, both ends of the connecting portion can be respectively contacted with the stopper and the slider. When the inclined wedge does not perform core pulling movement yet, two ends of the connecting part of the inclined wedge are respectively contacted with the limiting block and the sliding block, so that the structure is more compact, reliable and stable.
Further, one surface of the connecting portion, which is close to the sliding block, is provided with a first inclined surface, one end, which is far away from the inner buckling position, of the sliding block is provided with a second inclined surface, which slides in a matched manner with the first inclined surface, and an included angle between the first inclined surface and the second inclined surface in the core pulling direction is equal to an included angle between the inclined guide post and the core pulling direction. The first inclined plane and the second inclined plane slide in a matched manner, and the inclined angles of the first inclined plane, the second inclined plane and the inclined guide pillar are consistent, so that core pulling movement becomes stable.
Preferably, a first guide surface is obliquely arranged at one end, close to the inclined wedge, of the limiting block, and a second guide surface matched with the first guide surface for guiding is arranged on the connecting part. When the inclined wedge core pulling is completed, the inclined wedge needs to be reset, the inclined wedge is convenient to reset under the cooperation of the first guide surface and the second guide surface, and the inclined guide surface I and the second guide surface are adopted, so that the inclined wedge is more stable in resetting. One end of the limiting block, which is close to the inclined wedge, is provided with a first guide surface and a straight surface, and the straight surface is positioned below the guide surface, so that the inclined top seat stops moving after contacting the straight surface.
Preferably, a relief groove is formed in one end, close to the sliding block, of the connecting portion, and the size of the relief groove is consistent with that of the inclined top seat. The space is reserved for the inclined top seat by the backset groove, and as the inclined surface II is arranged at one end of the sliding block, which is far away from the inner buckling position, the inclined top seat is a cuboid, the inclined top seat protrudes out of the sliding block, and the backset groove is used for placing the part of the inclined top seat protruding out of the sliding block so as to prevent interference with an inclined wedge.
Further, the slider includes being close to the antifriction plate that main part one end set up and keeping away from the push pedal that connecting portion one end set up, the push pedal is used for the drive the motion of oblique top seat, the push pedal with antifriction plate fixed connection, oblique guide pillar hole sets up on the antifriction plate. The inclined guide post penetrates through an inclined guide post hole in the wear-resisting plate and then penetrates through the delay slot, the inclined guide post drives the wear-resisting plate to move, the wear-resisting plate drives the push plate to move, and therefore the push plate drives the inclined top seat to move. The wear-resisting plate is arranged between the sliding block and the inclined wedge, so that scrap iron is prevented from affecting the precision when the inclined wedge is contacted with the sliding block.
Preferably, the included angle a between the inclined guide pillar and the core pulling direction is 15-25 degrees.
Further, the sliding direction of the inclined wedge is consistent with the mold opening direction of the mold, and the sliding direction of the inclined top seat is perpendicular to the sliding direction of the inclined wedge. The inclined wedge moves along with the die opening or closing of the die, so that the sliding block is driven to slide, and finally the sliding block drives the inclined top seat to slide.
The beneficial effects are that: the invention solves the difficult problem of the composite structure that the outer buckling position wraps the inner buckling position due to the product modeling requirement, adopts the mode of a composite structural member, reduces the overall outline dimension of the die, reduces the processing difficulty, reduces the manufacturing period of the die and greatly controls the cost of the die; the integral mechanism of the invention has reliable structure and high stability; single part, processing is convenient, and interchangeability is good.
Drawings
FIG. 1 is a schematic view of the structure of the outside buckling position package inside buckling position of the product of the invention;
FIG. 2 is a schematic diagram of a wedge structure of the present invention;
FIG. 3 is a schematic view of the assembly structure of the inclined top base and the sliding block of the present invention;
FIG. 4 is a schematic view of the structure of the tilt-top seat of the present invention;
FIG. 5 is a cross-sectional view of the overall structure of the present invention;
FIG. 6 is a top view of the overall structure of the present invention;
FIG. 7 is another view of the tilt head and slider of the present invention;
FIG. 8 is another view of the inclined wedge structure of the present invention;
1. An inner buckling position; 2. the outer buckling position; 3. oblique guide posts; 4. a slanting wedge; 5. a slide block; 6. an inclined top seat; 7. a delay slot; 8. a wear plate; 9. a limiting block; 10. a clearance gap is avoided; 11. a product; 12. a second inclined plane; 13. an inclined plane I; 14. a backset groove; 15. a connection part; 16. a main body portion; 17. a first guide surface; 18. a second guide surface; 19. a diagonal guide post hole; 20. a push plate.
Detailed Description
Example 1
The utility model provides a time delay loose core die of slider oblique top, is including sliding setting up slider 5, the slip setting of moving die is in oblique top seat 6 in the slider 5 and fix wedge 4 on the cover half, the one end of oblique top seat 6 is connected with inboard knot position 1, inboard knot position 1 extends slider 5 and the outside knot position 2 cooperation shaping on the product 11 in the die cavity, slope is equipped with on wedge 4 and is used for the drive slider 5 gliding oblique guide pillar 3, set up on the slider 5 with oblique guide pillar hole 19 that the oblique guide pillar 3 corresponds, delay slot 7 has been seted up on the oblique top seat 6, oblique guide pillar 3 passes oblique guide pillar hole 19 and delay slot 7 set up, be equipped with between oblique top seat 6 with keep away blank 10 between the slider 5, keep away blank 10 along the size of loose core direction less than delay slot 7 along the size of loosing core direction. The oblique guide post 3 passes through the oblique guide post hole 19 to drive the sliding block 5 to move, when the sliding block 5 contacts the oblique top seat 6, the size of the clearance gap 10 along the core pulling direction is smaller than the size of the delay slot 7 along the core pulling direction, and the oblique guide post 3 does not contact the other surface of the delay slot 7, so that the sliding block 5 drives the oblique top seat 6 to move, and the oblique top seat 6 drives the inner buckling position 1 to complete the core pulling action. The core pulling direction is the horizontal direction from right to left in fig. 5.
The inclined wedge 4 comprises a connecting portion 15 and a main body portion 16, the connecting portion 15 and the main body portion 16 are connected to form an L shape, the main body portion 16 is located above the sliding block 5, the connecting portion 15 is located at one end, away from the inner side buckling position 1, of the sliding block 5, and the inclined guide pillar 3 is fixedly arranged on the main body portion 16.
The movable die is also fixed with a limiting block 9 for limiting the sliding travel of the inclined top seat 6, and the limiting block 9 is positioned at one end of the connecting part 15, which is far away from the sliding block 5.
When the inclined wedge 4 does not perform core pulling movement yet, two ends of the connecting part 15 of the inclined wedge 4 are respectively contacted with the limiting block 9 and the sliding block 5, so that the structure is more compact, reliable and stable. Both ends of the connecting portion 15 can be respectively contacted with the stopper 9 and the slider 5. One surface of the connecting part 15, which is close to the sliding block 5, is provided with a first inclined surface 13, one end, which is far away from the inner side buckling position 1, of the sliding block 5 is provided with a second inclined surface 12 which is matched with the first inclined surface 13 to slide, and an included angle between the first inclined surface 13 and the second inclined surface 12 and the core pulling direction is equal to an included angle between the inclined guide post 3 and the core pulling direction. The included angle a between the inclined guide pillar 3 and the core pulling direction is 15-25 degrees, and the angle is set to 22 degrees according to the requirement of a die. One end of the limiting block 9, which is close to the inclined wedge 4, is obliquely provided with a first guide surface 17, and the connecting part 15 is provided with a second guide surface 18 which is matched with the first guide surface 17 for guiding. When the inclined wedge 4 performs core pulling, the first guide surface 17 and the second guide surface 18 slide in a matched manner, so that core pulling is facilitated, and a guiding effect is achieved; when the inclined wedge 4 is in core pulling completion, the inclined wedge 4 needs to be reset, and the inclined wedge 4 is convenient to reset under the cooperation of the first guide surface 17 and the second guide surface 18, and the inclined guide surface 17 and the second guide surface 18 are adopted, so that the inclined wedge 4 is more stable in resetting. One end of the limiting block 9, which is close to the inclined wedge 4, is provided with a first guide surface 17 and a straight surface, and the straight surface is positioned below the guide surface, so that the inclined top seat 6 stops moving after contacting the straight surface. The connecting portion 15 is provided with a relief groove 14 near one end of the slider 5, and the size of the relief groove 14 is consistent with the size of the inclined top seat 6. The space is reserved for the inclined top seat 6 by the recession 14, and as the inclined surface two 12 is arranged at one end of the sliding block 5 far away from the inner buckling position 1, the inclined top seat 6 is cuboid, the inclined top seat 6 protrudes out of the sliding block 5, and the recession 14 is used for placing the part of the inclined top seat 6 protruding out of the sliding block 5, so that interference with the inclined wedge 4 is prevented.
The sliding block 5 comprises a wear-resistant plate 8 arranged close to one end of the main body part 16 and a push plate 20 arranged far away from one end of the connecting part 15, the push plate 20 is used for driving the inclined top seat 6 to move, the push plate 20 is fixedly connected with the wear-resistant plate 8, and the inclined guide pillar hole 19 is formed in the wear-resistant plate 8. The inclined guide post 3 passes through an inclined guide post hole 19 on the wear-resisting plate 8 at the top end of the sliding block 5 and then passes through the delay slot 7, the inclined guide post 3 drives the wear-resisting plate 8 to move, the wear-resisting plate 8 drives the push plate 20 to move, and finally the push plate 20 drives the inclined top seat 6 to move. The wear-resisting plate 8 is arranged between the slide block 5 and the inclined wedge 4, so that scrap iron is prevented from affecting the precision when the inclined wedge 4 is contacted with the slide block 5.
The sliding direction of the inclined wedge 4 is consistent with the mold opening direction of the mold, and the sliding direction of the inclined top seat 6 is perpendicular to the sliding direction of the inclined wedge 4.
Working principle: the wear-resisting plate 8 is close to the main body 16, the inclined guide pillar 3 passes through the inclined guide pillar hole 19 on the wear-resisting plate 8 and then passes through the delay slot 7, after the die is opened, the inclined guide pillar 3 is matched with the inclined guide pillar hole 19 on the wear-resisting plate 8, so that the inclined guide pillar 3 drives the wear-resisting plate 8 to move, as the wear-resisting plate 8 is fixedly connected with the push plate 20, the push plate 20 is driven to move towards one end far away from the inner buckling position 1, a clearance gap 10 is arranged between the push plate 20 and the inclined jacking seat 6, namely, in an initial state, the sliding block 5 moves towards one end far away from the inner buckling position 1 for a certain distance, after a certain period of time (namely, the delay action is completed), the push plate 20 contacts with the inclined jacking seat 6, so that the inclined jacking seat 6 moves towards one end far away from the inner buckling position 1 until the inclined jacking seat 6 contacts with the limiting block 9, and the action is stopped, and the action that the inner buckling position 1 is separated from the outer buckling position 2 is completed due to the fixed connection of the inner buckling position 1 and the inclined jacking seat 6. In this process, the size of the clearance gap 10 in the core pulling direction is smaller than the size of the delay slot 7 in the core pulling direction, so that the oblique guide post 3 cannot contact the oblique top seat 6.
Claims (4)
1. A time delay loose core mould of slider oblique top, its characterized in that: the device comprises a sliding block (5) arranged on a movable die in a sliding manner, an inclined top seat (6) arranged in the sliding block (5) in a sliding manner and an inclined wedge (4) fixed on a fixed die, wherein one end of the inclined top seat (6) is connected with an inner side buckling position (1), the inner side buckling position (1) extends out of the sliding block (5) to be matched with an outer side buckling position (2) on a product (11) in a cavity, the inclined wedge (4) is obliquely provided with an inclined guide pillar (3) for driving the sliding block (5) to slide, the sliding block (5) is provided with an inclined guide pillar hole (19) corresponding to the inclined guide pillar (3), the inclined top seat (6) is provided with a time delay groove (7), the inclined guide pillar (3) penetrates through the inclined guide pillar hole (19) and the time delay groove (7), a clearance (10) is arranged between the inclined top seat (6) and the sliding block (5), and the size of the clearance (10) in the core pulling direction is smaller than that of the time delay groove (7); the inclined wedge (4) comprises a connecting part (15) and a main body part (16), wherein the connecting part (15) and the main body part (16) are connected to form an L shape, the main body part (16) is positioned above the sliding block (5), the connecting part (15) is positioned at one end, far away from the inner buckling position (1), of the sliding block (5), and the inclined guide pillar (3) is fixedly arranged on the main body part (16); a limiting block (9) for limiting the sliding travel of the inclined top seat (6) is further fixed on the movable die, and the limiting block (9) is positioned at one end of the connecting part (15) far away from the sliding block (5); both ends of the connecting part (15) can be respectively contacted with the limiting block (9) and the sliding block (5); one end of the limiting block (9) close to the inclined wedge (4) is obliquely provided with a first guide surface (17), and the connecting part (15) is provided with a second guide surface (18) matched with the first guide surface (17) for guiding; one end of the connecting part (15) close to the sliding block (5) is provided with a backset groove (14), and the size of the backset groove (14) is consistent with that of the inclined top seat (6); the sliding block (5) comprises a wear-resistant plate (8) arranged close to one end of the main body part (16) and a push plate (20) arranged far away from one end of the connecting part (15), the push plate (20) is used for driving the inclined top seat (6) to move, the push plate (20) is fixedly connected with the wear-resistant plate (8), and the inclined guide pillar hole (19) is formed in the wear-resistant plate (8).
2. The time-delay core-pulling mold of a sliding block inclined top according to claim 1, wherein the time-delay core-pulling mold is characterized in that: one side of the connecting part (15) close to the sliding block (5) is provided with a first inclined plane (13), one end of the sliding block (5) away from the inner side buckling position (1) is provided with a second inclined plane (12) which slides in a matched mode with the first inclined plane (13), and the first inclined plane (13) and the second inclined plane (12) incline towards the same direction with the inclined guide pillar (3) and the inclination angles are consistent.
3. The time-delay core-pulling mold of a sliding block inclined top according to claim 1, wherein the time-delay core-pulling mold is characterized in that: the included angle a between the inclined guide pillar (3) and the core pulling direction is 15-25 degrees.
4. The time-delay core-pulling mold of a sliding block inclined top according to claim 1, wherein the time-delay core-pulling mold is characterized in that: the sliding direction of the inclined wedge (4) is consistent with the mold opening direction of the mold, and the sliding direction of the inclined top seat (6) is perpendicular to the sliding direction of the inclined wedge (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010714147.2A CN113967991B (en) | 2020-07-23 | 2020-07-23 | Time delay core-pulling die for oblique ejection of sliding block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010714147.2A CN113967991B (en) | 2020-07-23 | 2020-07-23 | Time delay core-pulling die for oblique ejection of sliding block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113967991A CN113967991A (en) | 2022-01-25 |
| CN113967991B true CN113967991B (en) | 2024-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010714147.2A Active CN113967991B (en) | 2020-07-23 | 2020-07-23 | Time delay core-pulling die for oblique ejection of sliding block |
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| CN (1) | CN113967991B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212764285U (en) * | 2020-07-23 | 2021-03-23 | 常州星宇车灯股份有限公司 | Time delay loose core mould of slider pitched roof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202162974U (en) * | 2011-08-12 | 2012-03-14 | 广东科龙模具有限公司 | Inclined-ejection core pulling mechanism for injection mold |
| CN109822837B (en) * | 2019-04-15 | 2024-07-16 | 宁波奥克斯电气股份有限公司 | Slide block inclined ejection core-pulling mechanism and injection mold |
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- 2020-07-23 CN CN202010714147.2A patent/CN113967991B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212764285U (en) * | 2020-07-23 | 2021-03-23 | 常州星宇车灯股份有限公司 | Time delay loose core mould of slider pitched roof |
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| CN113967991A (en) | 2022-01-25 |
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