CN104842523B - A kind of two-way arc core-pulling mechanism - Google Patents
A kind of two-way arc core-pulling mechanism Download PDFInfo
- Publication number
- CN104842523B CN104842523B CN201510255735.3A CN201510255735A CN104842523B CN 104842523 B CN104842523 B CN 104842523B CN 201510255735 A CN201510255735 A CN 201510255735A CN 104842523 B CN104842523 B CN 104842523B
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- CN
- China
- Prior art keywords
- sliding block
- connecting rod
- housing
- take
- notch
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 14
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of two-way arc core-pulling mechanism, including oil cylinder, rear cavity and take-up housing, take-up housing is located at the lower section of rear cavity and positioned at the left side of oil cylinder, the first notch is provided with rear cavity, radius is installed in first notch equal, in the first sliding block and the second sliding block of sector structure, intersect with the center of circle of the second sliding block and be flexibly connected by first rotating shaft with rear cavity in the center of circle of first sliding block, first sliding block and the second sliding block are located at the left side and right side of the first notch respectively, the first connecting rod that passes on left of first sliding block is connected with take-up housing, the two ends of first connecting rod respectively with the first sliding block, take-up housing is flexibly connected, the right side of second sliding block is connected by second connecting rod with take-up housing, the two ends of second connecting rod respectively with the second sliding block, take-up housing is flexibly connected, take-up housing is connected by connecting rod with oil cylinder.It is of the invention to have used link transmission compared with traditional gear drive, the core-pulling mechanism of mould is simplified, manufacture processing cost is reduced.
Description
Technical field
The present invention relates to a kind of technical field of mold, more particularly, to a kind of two-way arc core-pulling mechanism.
Background technology
Requirement with market to product is increasingly complicated, and being designed with arc structure on many products realizes its own function
Demand, and this demand is more and more universal.In order to complete the making of the structure of circular arc on product, typically using arc core-pulling come real
It is existing.For arc core-pulling, traditional way is to pull rack, rack and pinion engagement, the rack drives tooth of motion by oil cylinder
Wheel rotates and realizes core pulling by multistage rotation.And realize that arc core-pulling is present using this structure and ask as follows
Topic：1st, need multi-stage gear to coordinate realization, cause that its spare and accessory parts is various, assembling is difficult, while also causing the stabilization of mechanism driving
Property is poor.2nd, the travelling mechanism that gear Multi-stage transmission comes is huge, and can increase the appearance and size of mould (includes the height gauge of mould
It is very little), the mould worked it out generally requires selection and produced on bigger injection machine, so increases being produced into for mould
Originally with the injection molding cost of product.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of two-way arc core-pulling mechanism, simplify taking out for traditional moulds
Core mechanism, reduces injection cost, while improving the stability of mold actions.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of two-way arc core-pulling mechanism, including oil
Cylinder, rear cavity and take-up housing, described take-up housing are located at the lower section of rear cavity and on the left side of oil cylinder, described rear cavity
It is provided with and is provided with that radius is equal, the first sliding block and the second sliding block in sector structure in the first notch, the first notch, it is described
The center of circle of first sliding block is intersected with the center of circle of the second sliding block and is flexibly connected by first rotating shaft with rear cavity, the first described cunning
Block and the second sliding block be located at the left side and right side of the first notch respectively, and described the first sliding block passes on left first connecting rod and cunning
Block is connected, and the two ends of described first connecting rod are flexibly connected with the first sliding block, take-up housing respectively, the right side of described the second sliding block
Side is connected by second connecting rod with take-up housing, and the two ends of described second connecting rod are flexibly connected with the second sliding block, take-up housing respectively,
Described take-up housing is connected by connecting rod with oil cylinder.
The top and bottom of the first described notch are open, and the upper wall in the left side of described the first notch is arc knot
Structure, the upper wall of the outer surface of described the first sliding block and the left side of the first notch is adapted, on the left of the first described notch under
Wall is vertical plane and there is predetermined spacing between the outer surface of the first sliding block, and the right side wall of the first described notch is vertical
Straight plane and there is predetermined spacing between the outer surface of the second sliding block.The structure setting of first notch is easily installed the first cunning
Block and the second sliding block, and coordinate the motion of the first sliding block and the second sliding block.
It is provided with the second notch on described take-up housing, the second described notch includes horizontally disposed lower plane, vertical
In the right plane of lower plane and to the left in the left plane of predetermined angle incline, one end of described first connecting rod passes through second turn
Axle is arranged in left plane, one end of described second connecting rod be arranged on by the 3rd rotating shaft on lower plane and with right plane phase
Patch.The structure setting of take-up housing is in order to coordinate the motion of first connecting rod and second connecting rod so that after first connecting rod motion in place just
It can be attached on left side plan well, second connecting rod motion is attached on right side plan afterwards in place.
The other end of described first connecting rod is flexibly connected by the 4th rotating shaft with the first sliding block, described second connecting rod
The other end is flexibly connected by the 5th rotating shaft with the second sliding block, and the two ends of described first connecting rod are semicircular structure, described
The second rotating shaft and the 4th rotating shaft be located at the home position at first connecting rod two ends, the two ends of described second connecting rod are semicircle
Shape structure, the 3rd described rotating shaft is located at the 5th rotating shaft at the home position at second connecting rod two ends.First connecting rod and second connects
The two ends of bar are semicircular structure so that it is in motion, and the two ends of first connecting rod and second connecting rod can be seamlessly transitted, and not sent out
Raw friction.
The area of the cross section of the first described sliding block is more than the cross-sectional area of the second sliding block.First sliding block and second is slided
Block is that radius is identical, two different sliding blocks of volume.
Compared with prior art, the advantage of the invention is that providing power by oil cylinder, take-up housing is driven to exist by connecting rod
Back and forth movement is done on left and right directions.And the two ends of first connecting rod are flexibly connected with take-up housing, the first sliding block respectively, moved to left in sliding block
While dynamic, one end of head rod follows take-up housing to move, and the other end of first connecting rod then pulls the first sliding block to do around the
The motion of one rotating shaft rotation, is achieved in arc core-pulling.And the second sliding block is equally pivoted in the presence of the second connecting rod.
It is of the invention to have used link transmission compared with traditional gear drive, the core-pulling mechanism of mould is simplified, manufacture is reduced
Processing cost.Gear Multi-stage transmission is not needed in motion process, the stability of mold actions is improved, the outer of mould is reduced
Shape gear.The present invention can be produced on less injection molding machine, so as to reduce injection cost.
Brief description of the drawings
Structural representations of the Fig. 1 for the present invention when static；
Structural representations of the Fig. 2 for the present invention after exercise.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Figure 1 to Figure 2：A kind of two-way arc core-pulling mechanism, including oil cylinder 1, rear cavity 2 and take-up housing 3, take-up housing
3 are located at the lower section of rear cavity 2 and the first notch 4 are provided with the left side of oil cylinder 1, rear cavity 2, are installed in the first notch 4
Have that radius is equal, the first sliding block 5 and the second sliding block 6 in sector structure, the center of circle of the first sliding block 5 and the center of circle of the second sliding block 6
Intersect and be flexibly connected by first rotating shaft 7 with rear cavity 2, the first sliding block 5 and the second sliding block 6 are respectively positioned at the first notch 4
Left side and right side, the first connecting rod 8 that passes on left of the first sliding block 5 are connected with take-up housing 3, and the two ends of first connecting rod 8 are respectively with
One sliding block 5, take-up housing 3 are flexibly connected, and the right side of the second sliding block 6 is connected by second connecting rod 9 with take-up housing 3, second connecting rod 9
Two ends are flexibly connected with the second sliding block 6, take-up housing 3 respectively, and take-up housing 3 is connected by connecting rod 10 with oil cylinder 1.
The top and bottom of first notch 4 are open, and the upper wall 21 in the left side of the first notch 4 is arcuate structure, and first slides
The upper wall 21 in the left side of the outer surface of block 5 and the first notch 4 is adapted, the lower wall 22 in the left side of the first notch 4 for vertical plane and
There is predetermined spacing between the outer surface of the first sliding block 5, the right side wall 33 of the first notch 4 is slided for vertical plane and with second
There is predetermined spacing between the outer surface of block 6.
The second notch 31 is provided with take-up housing 3, the second notch 31 includes horizontally disposed lower plane 32, perpendicular to lower flat
The right plane 33 in face 32 with to the left be in predetermined angle incline left plane 34, one end of first connecting rod 8 passes through the second rotating shaft 35
In left plane 34, one end of second connecting rod 9 be arranged on by the 3rd rotating shaft 36 on lower plane 32 and with the right phase of plane 33
Patch.
The other end of first connecting rod 8 is flexibly connected by the 4th rotating shaft 41 with the first sliding block 5, the other end of second connecting rod 9
Be flexibly connected by the 5th rotating shaft 42 with the second sliding block 6, the two ends of first connecting rod 8 are semicircular structure, the second rotating shaft 35 with
4th rotating shaft 41 is located at the home position at the two ends of first connecting rod 8, and the two ends of second connecting rod 9 are semicircular structure, the 3rd turn
The rotating shaft 42 of axle 36 and the 5th is located at the home position at the two ends of second connecting rod 9.The area of the cross section of first sliding block 5 is more than second
The cross-sectional area of sliding block 6.
During motion, oil cylinder 1 drives take-up housing 3 to do straight line to the right, and take-up housing 3 drives one end of first connecting rod 8 around second turn
Axle 35 rotates, while first connecting rod 8 is overall also to do movement to the right.Therefore the other end of first connecting rod 8 is around the
Four rotating shafts 41 pull downward on the first sliding block 5 while rotating so that the first sliding block 5 can do inverse around first rotating shaft 7
The rotary motion of hour hands, realizes arc core-pulling.After oil cylinder 1 drives take-up housing 3 to move right a segment distance, sliding block is promoted again
Seat 3 resets after being moved to the left, and now first connecting rod 8 can be applied to 5 one upward thrusts of the first sliding block so that the first sliding block 5
Clockwise rotary motion can be done around first rotating shaft 7, realizes and resets.Second sliding block 6 is also similarly in the effect of second connecting rod 9
Under do reciprocal rotary motion and realize arc core-pulling.
Claims (5)
1. a kind of two-way arc core-pulling mechanism, it is characterised in that including oil cylinder, rear cavity and take-up housing, described take-up housing is located at
It is provided with the lower section of rear cavity and the left side for being located at oil cylinder, described rear cavity in the first notch, the first notch and is provided with half
Footpath is equal, the first sliding block and the second sliding block in sector structure, the center of circle of described the first sliding block and the center of circle phase of the second sliding block
Hand over and be flexibly connected by first rotating shaft with rear cavity, the first described sliding block and the second sliding block are respectively positioned at a left side for the first notch
Side and right side, the first connecting rod that passes on left of the first described sliding block are connected with take-up housing, and the two ends of described first connecting rod are divided
It is not flexibly connected with the first sliding block, take-up housing, the right side of the second described sliding block is connected by second connecting rod with take-up housing, described
The two ends of second connecting rod be flexibly connected respectively with the second sliding block, take-up housing, described take-up housing passes through connecting rod and connected with oil cylinder
Connect.
2. a kind of two-way arc core-pulling mechanism according to claim 1, it is characterised in that the upper end of the first described notch
It is open with lower end, the upper wall in the left side of described the first notch is arcuate structure, the outer surface of described the first sliding block and the
The upper wall in the left side of one notch is adapted, the lower wall on the left of the first described notch for vertical plane and with the appearance of the first sliding block
There is predetermined spacing between face, the right side wall of described the first notch is for vertical plane and between the outer surface of the second sliding block
There is predetermined spacing.
3. a kind of two-way arc core-pulling mechanism according to claim 2, it is characterised in that be provided with described take-up housing
Second notch, the second described notch includes horizontally disposed lower plane, the right plane perpendicular to lower plane with being in pre- to the left
Determine the inclined left plane of angle, one end of described first connecting rod is arranged in left plane by the second rotating shaft, described second
One end of connecting rod is arranged on lower plane by the 3rd rotating shaft and is affixed with right plane.
4. a kind of two-way arc core-pulling mechanism according to claim 3, it is characterised in that described first connecting rod it is another
End is flexibly connected by the 4th rotating shaft with the first sliding block, and the other end of described second connecting rod passes through the 5th rotating shaft and the second sliding block
It is flexibly connected, the two ends of described first connecting rod are semicircular structure, the second described rotating shaft is located at first with the 4th rotating shaft
At the home position at connecting rod two ends, the two ends of described second connecting rod are semicircular structure, described the 3rd rotating shaft and the 5th
Rotating shaft is located at the home position at second connecting rod two ends.
5. a kind of two-way arc core-pulling mechanism according to claim 1, it is characterised in that the face of the cross section of the first sliding block
Cross-sectional area of the product more than the second sliding block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510255735.3A CN104842523B (en) | 2015-05-14 | 2015-05-14 | A kind of two-way arc core-pulling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510255735.3A CN104842523B (en) | 2015-05-14 | 2015-05-14 | A kind of two-way arc core-pulling mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104842523A CN104842523A (en) | 2015-08-19 |
| CN104842523B true CN104842523B (en) | 2017-09-22 |
Family
ID=53842690
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510255735.3A Expired - Fee Related CN104842523B (en) | 2015-05-14 | 2015-05-14 | A kind of two-way arc core-pulling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104842523B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030977B (en) * | 2016-11-22 | 2023-06-06 | 嘉兴信元精密模具科技有限公司 | Injection mold with multi-needle rotary core pulling function |
| CN107283738A (en) * | 2017-06-20 | 2017-10-24 | 东莞市烨盈制模有限公司 | A kind of injection mold arc Slide mechanism |
| CN107263820A (en) * | 2017-08-04 | 2017-10-20 | 广东工业大学 | A kind of side core-drawing mechanism for injection mold |
| CN115958756B (en) * | 2022-10-17 | 2024-06-07 | 浙江金马泰科技有限公司 | Cavity gear screw-thread drawing injection mold and double-core drawing injection molding structure thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203221601U (en) * | 2012-11-29 | 2013-10-02 | 宁波旭升机械有限公司 | Arc-shaped core pulling mold |
| CN203650877U (en) * | 2013-12-12 | 2014-06-18 | 北京浦菲特精密模具有限公司 | Arc multi-way core-pulling structure of injection mould |
| CN204278407U (en) * | 2014-11-25 | 2015-04-22 | 浙江万豪模塑有限公司 | Circular arc pipe fitting die connecting rod formula arc bend core-pulling mechanism |
| CN204687266U (en) * | 2015-05-14 | 2015-10-07 | 宁波市华宝塑胶模具股份有限公司 | A kind of two-way arc core-pulling mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5554548B2 (en) * | 2009-11-20 | 2014-07-23 | Ｔｈｋ株式会社 | Robot joint structure, robot fingers and robot hand |
-
2015
- 2015-05-14 CN CN201510255735.3A patent/CN104842523B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203221601U (en) * | 2012-11-29 | 2013-10-02 | 宁波旭升机械有限公司 | Arc-shaped core pulling mold |
| CN203650877U (en) * | 2013-12-12 | 2014-06-18 | 北京浦菲特精密模具有限公司 | Arc multi-way core-pulling structure of injection mould |
| CN204278407U (en) * | 2014-11-25 | 2015-04-22 | 浙江万豪模塑有限公司 | Circular arc pipe fitting die connecting rod formula arc bend core-pulling mechanism |
| CN204687266U (en) * | 2015-05-14 | 2015-10-07 | 宁波市华宝塑胶模具股份有限公司 | A kind of two-way arc core-pulling mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104842523A (en) | 2015-08-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315609 Meilin Fangqian Village, Ninghai County, Ningbo City, Zhejiang Province Patentee after: Ningbo Huabao Intelligent Technology Co.,Ltd. Address before: 315609 Zhejiang Ningbo Huabao Plastic Mould Co., Ltd. Meilin Fangqian Village Ningbo Ningbo Ninghai County Patentee before: NINGBO HUABAO PLASTICS & RUBBER MOULD CO.,LTD. |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191112 Address after: 315609 Meilin Fangqian Village, Ninghai County, Ningbo City, Zhejiang Province Patentee after: Ningbo Huabao Baishun Mould Manufacturing Co.,Ltd. Address before: 315609 Meilin Fangqian Village, Ninghai County, Ningbo City, Zhejiang Province Patentee before: Ningbo Huabao Intelligent Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170922 |
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| CF01 | Termination of patent right due to non-payment of annual fee |