CN104690913B - A kind of special dies structure - Google Patents
A kind of special dies structure Download PDFInfo
- Publication number
- CN104690913B CN104690913B CN201510127955.8A CN201510127955A CN104690913B CN 104690913 B CN104690913 B CN 104690913B CN 201510127955 A CN201510127955 A CN 201510127955A CN 104690913 B CN104690913 B CN 104690913B
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- CN
- China
- Prior art keywords
- molding part
- circular product
- interior
- shaping
- gear
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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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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
-
- 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
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2001/00—Articles provided with screw threads
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Forging (AREA)
Abstract
The present invention relates to a kind of special dies structure, include the interior molding part for coordinating shaped article bottom and inside together, cover the middle molding part outside interior molding part, it is enclosed on the outer molding part outside molding part, the back-off forming tank of back-off inside lower forming tank and shaping circular product of the interior molding part upper end provided with shaping circular product bottom, it is provided with above back-off forming tank and spacing lower limit portion is contacted with middle molding part, the middle molding part upper end is provided with the upper limit portion contacted with lower limit portion, thread forming portion of the outer molding part provided with shaping circular product internal whorl, in interior molding part, middle molding part, upper molding part of the top of outer molding part provided with shaping circular product top and outer shape.Depanning is molded available for the internal circular product for having back-off, structure is relatively easy, ensure that there is the smooth depanning of product of back-off inside.
Description
【Technical field】
The present invention relates to a kind of special dies structure.
【Background technology】
In mould, industrial production to be molded, be blow molded, extrude, the method such as die casting or forging forming, smelting, punching press obtains
The various moulds and instrument of required product.In brief, mould is the instrument for formed article, and this instrument is by various parts
Constitute, different moulds are made up of different parts.It mainly realizes article by the change of institute's moulding material physical state
The processing of profile.Have the title of " mother of industry ".Under external force turning into blank has given shape and the product of size
Instrument.Be widely used in punching, die forging, cold-heading, extruding, metallic sintered products compacting, compression casting, and engineering plastics, rubber,
In the forming of compression moulding or the injection of the products such as ceramics.Mould has specific profile or cavity shape, using with cutting edge
Contour shape can make blank by profile wire shaped occur separation punching.It can obtain blank using cavity shape corresponding vertical
Shape.Mould generally comprises two parts of dynamic model and cover half, and the two is partable.Product is taken out when separating, base is made when closing up
Material injection mold cavity shaping.Existing mould is unable to the product for having back-off inside shaped article, or shaping gets up excessively multiple
It is miscellaneous, process cumbersome.
The present invention is exactly to make in this context.
【The content of the invention】
The circle production that there is back-off a kind of plastic inside is provided the present invention seeks to overcome of the prior art not enough
The special dies structure of product.
The present invention uses following technical scheme：
A kind of special dies structure, depanning is molded for the internal circular product 7 for having back-off 71, it is characterised in that：Including
Have together coordinate shaped article bottom and inside interior molding part 1, the middle molding part 2 covered outside interior molding part 1, be enclosed in be molded
Outer molding part 3 outside part 2, lower forming tank 11 and shaping of the interior upper end of molding part 1 provided with shaping circular product bottom are circular
The back-off forming tank 12 of interiors of products back-off, is provided with the top of back-off forming tank 12 and contacts spacing lower limit with middle molding part 2
Portion 13, the middle upper end of molding part 2 is provided with the upper limit portion 21 contacted with lower limit portion 13, and the outer molding part 3 is provided with into
The thread forming portion 31 of type circular product internal whorl, is provided with into the top of interior molding part 1, middle molding part 2, outer molding part 3
The top of type circular product 7 and the upper molding part 4 of outer shape.
A kind of special dies structure as described above, it is characterised in that：The lower end of the interior molding part 1 is provided with fixed part
14, inwardly protruded spacer pin 15 is provided with fixed part 14, the lower end of the middle molding part 2 is set to inside fixed part 14,
The lower end of the middle molding part 2 is provided with the sliding groove 22 above and below at the position of spacer pin 15 and rotated, and the sliding groove 22 includes
There is middle molding part 2 can be made to move up and down to slide up and down groove 221, and the rotational slide groove 222 for rotating middle molding part 2.
A kind of special dies structure as described above, it is characterised in that：The lower end of the outer molding part 3 is provided with the first spiral
32, travelling gear part 5 is cased with outside the outer molding part 3, the driving cog gear member 5 is provided with what is matched with the first spiral 32
Second spiral 51, the lower end of driving cog gear member 5 is provided with gear part 52, is provided with and gear part 52 on the side of driving cog gear member 5
The gear bar 6 for being meshed and gear part 52 being driven to rotate.
A kind of special dies structure as described above, it is characterised in that：The lower end of the middle molding part 2, which is additionally provided with, holds biography
Moving gear part 5 makes the pallet 23 that driving cog gear member 5 is up moved with middle molding part 2.
The beneficial effects of the invention are as follows：
This special dies structure, is molded depanning, including interior molding part, set available for the internal circular product for having back-off
Middle molding part outside molding part, the outer molding part being enclosed on outside middle molding part, structure are relatively easy, ensure that there is back-off inside
The smooth depanning of product；
The lower end of interior molding part is provided with above and below at spacer pin position and rotary motion slides up and down groove and rotational slide
Groove, can be realized and slide up and down and rotational slide, it is ensured that the depanning of back-off and spiral shell in the presence of external force pushes up interior molding part upwards
Revolve the depanning at position；
Pallet can make middle molding part is synchronous with outer molding part up to move, the setting of driving cog gear member, it is ensured that middle shaping
Part can be movable relatively with outer molding part, be easy to the depanning at spiral position；
This is simple in construction, saves production cost, practical, simple to operate.
【Brief description of the drawings】
Fig. 1 is schematic perspective view of the present invention.
Fig. 2 is circular product schematic perspective view.
Fig. 3 is explosive view of the present invention.
Fig. 4 is enlarged drawing at A in Fig. 3.
Fig. 5 is enlarged drawing at B in Fig. 3.
【Embodiment】
The present invention will be described in detail below in conjunction with the accompanying drawings：
The present invention can solve the inside back-off depanning of circular product 7, in the case of insufficient space.Existing mold is in product
In the case that there is back-off 71 in portion, it is impossible to smooth depanning, i.e., can not make inside has the product of back-off.
As illustrated, a kind of special dies structure, is molded depanning for the internal circular product 7 for having back-off, includes one
Rise coordinate shaped article bottom and inside interior molding part 1, the middle molding part 2 covered outside interior molding part 1, be enclosed in molding part 2
Outer outer molding part 3, lower forming tank 11 and shaping circular product of the interior upper end of molding part 1 provided with shaping circular product bottom
The back-off forming tank 12 of internal back-off, is provided with the top of back-off forming tank 12 and contacts spacing lower limit portion 13 with middle molding part 2,
The upper end of middle molding part 2 is provided with the upper limit portion 21 contacted with lower limit portion 13, and the outer molding part 3 is circular provided with shaping
The thread forming portion 31 of interiors of products screw thread, it is circular provided with shaping in the top of interior molding part 1, middle molding part 2, outer molding part 3
The top of product 7 and the upper molding part 4 of outer shape.
The lower end of the interior molding part 1 is provided with fixed part 14, and inwardly protruded spacer pin 15, institute are provided with fixed part 14
The lower end for stating molding part 2 is provided with the sliding groove 22 above and below at the position of spacer pin 15 and rotated, and the sliding groove 22 includes
The middle up and down motion of molding part 2 can be made slides up and down groove 221, and the rotational slide groove 222 for rotating middle molding part 2.
The lower end of the outer molding part 3 is provided with the first spiral 32, and travelling gear part 5 is cased with outside the outer molding part 3,
The driving cog gear member 5 is provided with the second spiral 51 matched with the first spiral 32, and the lower end of driving cog gear member 5 is provided with gear
Portion 52, the gear bar 6 for being meshed with gear part 52 and gear part 52 being driven to rotate is provided with the side of driving cog gear member 5.
The lower end of the middle molding part 2 be additionally provided with hold driving cog gear member 5 make driving cog gear member 5 with middle molding part 2 up
The pallet 23 of motion.
After circular product 7 is molded, molding part 2 during dynamical system is up pushed up, middle molding part 2 slides up and down groove 221 along limit
Position pin 15 moves up and down, and the pallet 23 of middle molding part 2 also props up driving cog gear member 5 simultaneously, it is up moved together, while band
Move outer molding part 3 up move together, middle molding part 2, outer molding part 3 make circular product 7 up move and with interior 1 point of molding part
From now, the back-off forming tank 12 that the back-off 71 of limitation circular product 7 rotates also is separated with circular product 7；Then, power
System continues molding part 2 in up pushing up, and the rotational slide groove 222 of middle molding part 2 rotates along spacer pin 15 to move up and down, while tooth
Take turns bar 6 to rotate to the direction of setting, i.e., rotated with nutating gear part 5 in outer molding part 3, make driving cog gear member 5 relative to it is outer into
Type part 3 is moved upwards so that pallet 23 is not transmitted gear member 5 and limited, i.e., outer molding part 3 will not be moved upwards, outer molding part 3
Under the effect limitation of outside miscellaneous part, not rotatably, the smooth depanning of spiral part in circular product 7, this process are realized
In, gear bar 6 is highly constant in vertical height, and driving cog gear member 5 can move one end distance upwards, should ensure that gear bar 6
The ultimate range sum that tine length S is more than or equal to the tine length L of driving cog gear member 5 and up moved, it is ensured that two gears will not
Slide.
Claims (2)
1. a kind of special dies structure, the circular product (7) for having back-off (71) for inside is molded depanning, it is characterised in that：Bag
Include and coordinate the interior molding part (1) of shaped article bottom and inside together, cover middle molding part (2), set outside in interior molding part (1)
In the outer molding part (3) of middle molding part (2) outside, lower shaping of interior molding part (1) upper end provided with shaping circular product bottom
The back-off forming tank (12) of back-off, is provided with and middle shaping above back-off forming tank (12) inside groove (11) and shaping circular product
Part (2) contacts spacing lower limit portion (13), and middle molding part (2) upper end is provided with the upper limit contacted with lower limit portion (13)
Portion (21), thread forming portion (31) of the outer molding part (3) provided with shaping circular product internal whorl, in interior molding part
(1), the upper molding part of middle molding part (2), the top of outer molding part (3) provided with shaping circular product (7) top and outer shape
(4), the lower end of the outer molding part (3) is provided with the first spiral (32), and travelling gear part is cased with outside the outer molding part (3)
(5), the driving cog gear member (5) is provided with the second spiral (51) matched with the first spiral (32), the driving cog gear member (5)
Lower end is provided with gear part (52), on the side of driving cog gear member (5) provided with being meshed with gear part (52) and can drive gear part
(52) the gear bar (6) rotated.
2. according to a kind of special dies structure described in claim 1, it is characterised in that：The lower end of the interior molding part (1) is set
There is fixed part (14), inwardly protruded spacer pin (15) is provided with fixed part (14), the lower end of the middle molding part (2) is set
Internal to fixed part (14), the lower end of the middle molding part (2) is provided with the slip above and below at spacer pin (15) position and rotated
Groove (22), the sliding groove (22) include the middle molding part (2) is moved up and down slide up and down groove (221), and make
The rotational slide groove (222) of molding part (2) rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510127955.8A CN104690913B (en) | 2015-03-23 | 2015-03-23 | A kind of special dies structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510127955.8A CN104690913B (en) | 2015-03-23 | 2015-03-23 | A kind of special dies structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104690913A CN104690913A (en) | 2015-06-10 |
| CN104690913B true CN104690913B (en) | 2017-07-28 |
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ID=53338652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510127955.8A Active CN104690913B (en) | 2015-03-23 | 2015-03-23 | A kind of special dies structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN104690913B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107738423B (en) * | 2017-11-29 | 2019-07-09 | 袁海炎 | A kind of stripper apparatus of injection mold |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201268068Y (en) * | 2008-09-17 | 2009-07-08 | 广东东亚电器有限公司 | External edge flip chip loose core mechanism for injection mold |
| CN201511470U (en) * | 2009-08-26 | 2010-06-23 | 陶氏模具集团有限公司 | Demolding mechanism for internal circle inverted buckle of sealed pipeline |
| CN103419338A (en) * | 2013-06-24 | 2013-12-04 | 深圳市银宝山新科技股份有限公司 | Invertedly demoulding mechanism and invertedly demoulding method |
| CN203792646U (en) * | 2014-03-14 | 2014-08-27 | 上海信羽电子科技有限公司 | Whole-circle backoff demoulding mechanism |
| CN204505707U (en) * | 2015-03-23 | 2015-07-29 | 中山兆鸿精密模具注塑有限公司 | A kind ofly make the mould structure that interiors of products has back-off |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL1027896C2 (en) * | 2004-12-27 | 2006-06-30 | Ecim Technologies Bv | Mold and method for forming plastic products. |
-
2015
- 2015-03-23 CN CN201510127955.8A patent/CN104690913B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201268068Y (en) * | 2008-09-17 | 2009-07-08 | 广东东亚电器有限公司 | External edge flip chip loose core mechanism for injection mold |
| CN201511470U (en) * | 2009-08-26 | 2010-06-23 | 陶氏模具集团有限公司 | Demolding mechanism for internal circle inverted buckle of sealed pipeline |
| CN103419338A (en) * | 2013-06-24 | 2013-12-04 | 深圳市银宝山新科技股份有限公司 | Invertedly demoulding mechanism and invertedly demoulding method |
| CN203792646U (en) * | 2014-03-14 | 2014-08-27 | 上海信羽电子科技有限公司 | Whole-circle backoff demoulding mechanism |
| CN204505707U (en) * | 2015-03-23 | 2015-07-29 | 中山兆鸿精密模具注塑有限公司 | A kind ofly make the mould structure that interiors of products has back-off |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104690913A (en) | 2015-06-10 |
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