CN107415106B - Demolding device - Google Patents
Demolding device Download PDFInfo
- Publication number
- CN107415106B CN107415106B CN201710308659.7A CN201710308659A CN107415106B CN 107415106 B CN107415106 B CN 107415106B CN 201710308659 A CN201710308659 A CN 201710308659A CN 107415106 B CN107415106 B CN 107415106B
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- CN
- China
- Prior art keywords
- shaped groove
- driving cylinder
- mold core
- guide post
- fixing
- Prior art date
- 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
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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
- B29C33/442—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 with mechanical ejector or drive means therefor
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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
- B29C33/30—Mounting, exchanging or centering
- B29C33/303—Mounting, exchanging or centering centering mould parts or halves, e.g. during mounting
- B29C33/304—Mounting, exchanging or centering centering mould parts or halves, e.g. during mounting centering cores
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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
- B29C33/442—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 with mechanical ejector or drive means therefor
- B29C33/444—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 with mechanical ejector or drive means therefor for stripping articles from a mould core, e.g. using stripper plates
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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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
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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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/50—Removing moulded articles
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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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/50—Removing moulded articles
- B29C2043/503—Removing moulded articles using ejector pins, rods
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a demoulding device which is used for demoulding a silicon rubber tube on a straight tube-shaped mould core and comprises a fixing piece, a control piece, a driving cylinder and a power supply; the fixing piece comprises a fixing rod, a fixing seat and two U-shaped groove parts, at least one mold core is arranged on the fixing rod, the two U-shaped groove parts are respectively arranged on two sides of the fixing seat, and the two U-shaped groove parts are used for pushing out the silicone rubber tube from the mold cores; the driving cylinder is connected with a power supply, and the rotating shaft of the driving motor is connected with a U-shaped groove machine part; the control piece is connected with the power supply and the driving cylinder respectively, and the control piece is used for controlling the expansion and contraction of the driving cylinder, so that the U-shaped groove machine part is controlled to move back and forth along the length direction of the mold core. Positioning is carried out through the positioning guide post hole and the conical guide post, so that the positioning guide post hole can be rapidly guided and precisely positioned; the U-shaped groove is matched with the mold core, so that the product is ensured not to run in the demolding process; the invention ensures that the product is not damaged, meanwhile, manual force is not required, the labor intensity of operators is reduced, and the working efficiency is greatly improved.
Description
Technical Field
The invention relates to a demoulding device for a silicone rubber tube, in particular to a demoulding device for a silicone rubber tube on a straight tube-shaped mould core.
Background
The water supply system in the water dispenser requires a plurality of straight and curved silicone rubber tubes conforming to the grade of drinking water. Because the pressure bursting resistance of the silicon rubber pipe produced by extrusion cannot meet the requirements, the silicon rubber pipe can meet the requirements only by adopting mould pressing or injection vulcanization forming. When the mould is developed, the structure of the silicon rubber long tubular product can only adopt a fishbone-shaped mould core structure, and the product is attached to the fishbone-shaped mould core after being formed and can only be manually and sequentially demoulded and taken down. When the temperature of the die reaches 170 ℃ during production, gloves are needed to be worn for heat insulation in the whole process, the operation is inconvenient, the operation time is long, the temperature loss can be caused, and the productivity is low finally.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a demoulding device for a silicon rubber tube on a straight tube-shaped mould core.
In order to solve the technical problems, the invention adopts the following technical measures:
a demoulding device is used for demoulding a silicon rubber tube on a straight tube-shaped mould core and comprises a fixing piece, a control piece, a driving cylinder and a power supply; the fixing piece comprises a fixing rod, a fixing seat and two U-shaped groove parts, wherein at least one mold core is arranged on the fixing rod, the two U-shaped groove parts are respectively arranged on two sides of the fixing seat, and the two U-shaped groove parts are used for pushing out the silicone rubber tube and separating from the mold cores; the driving cylinder is connected with the power supply, and the rotating shaft of the driving cylinder is connected with the U-shaped groove machine part; the control piece is respectively connected with the power supply and the driving cylinder, and is used for controlling the expansion and contraction of the driving cylinder, so that the U-shaped groove machine part is controlled to move back and forth along the length direction of the mold core.
The invention can be further perfected by the following technical measures:
as a further improvement, a plurality of mold cores are symmetrically arranged on two sides of the fixed rod.
As a further improvement, a plurality of limiting plates are uniformly distributed on each U-shaped groove part, a U-shaped groove is formed between every two limiting plates, and each mold core is correspondingly arranged in the U-shaped groove during demolding.
As a further improvement, the bayonet covers up to three-quarters of the diameter length of the silicone tube upon demolding.
As a further improvement, the U-shaped groove part is made of aluminum alloy materials.
As a further improvement, the fixing rod is provided with a positioning guide post hole, and the fixing seat is provided with a guide post matched with the positioning guide post hole.
As a further improvement, the guide post adopts a conical structure with a small upper end and a large lower end.
As a further improvement, the number of the driving cylinders is two, and one driving cylinder respectively controls one U-shaped groove machine part.
As a further improvement, the two driving cylinders are respectively fixed on two sides of the fixed seat.
As a further improvement, the device further comprises an inductor, wherein the inductor is respectively connected with the power supply and the control piece, and the inductor is used for sensing the movement position of the U-shaped groove machine part and feeding back to the control piece.
Compared with the prior art, the invention has the following advantages:
1. the die core is positioned by matching the guide pillar hole with the conical guide pillar, the positioning design is not needed to be added, the front section can be rapidly guided, and the rear section can be precisely positioned;
2. through reasonable in design's U-shaped recess and mold core cooperation, the recess covers to during the drawing of patterns three quarters of silicone rubber tube diameter length ensures that drawing of patterns process product does not run.
3. The corresponding aluminum alloy materials are reasonably selected, and the reasonable fit clearance is designed, so that the U-shaped groove is prevented from damaging the mold core, the product is ensured not to be damaged, and the service life of the U-shaped groove part is not shortened due to the aging and damage of the U-shaped groove part caused by the high temperature of production.
4. The driving cylinder is used as power, manual force is not needed, the labor intensity of operators is reduced, and the working efficiency is greatly improved.
Drawings
FIG. 1 is a schematic perspective view of a stripping apparatus of the present invention;
FIG. 2 is a top view of a stripping apparatus of the present invention;
FIG. 3 is a partial side view of a stripper apparatus of the present invention;
FIG. 4 is a cross-sectional view of a U-shaped channel member and a mold core and silicone tube in a stripper apparatus of the present invention.
Description of the main reference signs
Fixing part 3
Fixed rod 31
U-shaped groove part 33
U-shaped groove 332
Positioning guide post hole 311
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
Referring to fig. 1 to 4, the present invention provides a demolding device for demolding a silicone rubber tube 2 on a straight tube mold core 1, which comprises a fixing member 3, a control member, a driving cylinder 4 and a power supply; the fixing piece 3 comprises a fixing rod 31, a fixing seat 32 and two U-shaped groove parts 33, at least one mold core 1 is arranged on the fixing rod 31, the two U-shaped groove parts 33 are respectively arranged on two sides of the fixing seat 32, and the two U-shaped groove parts 33 are used for pushing out the silicone rubber tube 2 and separating from the mold core 1; the driving cylinder 4 is connected with the power supply, and the rotating shaft of the driving cylinder 4 is connected with the U-shaped groove machine part 33; the control piece is respectively connected with the power supply and the driving cylinder 4, and is used for controlling the expansion and contraction of the driving cylinder 4, so that the U-shaped groove machine part 33 is controlled to move back and forth along the length direction of the mold core 1.
In order to improve the demolding efficiency, a plurality of mold cores 1 are symmetrically arranged at two sides of the fixing rod 31, and the mold cores 1 and the fixing rod 31 form a fishbone shape.
A plurality of limiting plates 331 are uniformly distributed on each U-shaped groove machine member 33, a U-shaped groove 332 is formed between every two limiting plates 331, the opening size of the U-shaped groove 332 is larger than the diameter of the mold core 1 and smaller than the diameter of the silicone rubber tube 2, and each mold core 1 is correspondingly arranged in the U-shaped groove 332 during demolding; when demoulding, a certain gap is reserved between the mould core 1 and the U-shaped groove 332, so that the U-shaped groove part 33 can be prevented from damaging the mould core 1.
Through reasonable in design's U-shaped recess 332, with the cooperation drawing of patterns of mold core 1, U-shaped recess 332 covers to three quarters of the diameter length of silicone rubber tube 2 just can ensure in the drawing of patterns process silicone rubber tube 2 does not run the position.
The U-shaped groove member 33 is made of a reasonable aluminum alloy material, and a reasonable fit clearance is designed, so that the U-shaped groove 332 is prevented from being bumped with the mold core 1, the silicone rubber tube 2 is also ensured not to be bumped, and the service life of the U-shaped groove member 33 is shortened due to aging damage of the produced high temperature.
The silicone rubber tube 2 is formed and then contracted, so that the product is firmly hooped on the mold core 1 and is difficult to be demolded and removed, the upper mold and the lower mold are opened, the fixing rod 31 and the mold core 1 are taken out, the fixing rod 31 is fixed, the fixing rod 31 is provided with a positioning guide post hole 311, and the fixing seat 32 is provided with a guide post 321 matched with the positioning guide post hole 311.
In order to enable the mold core 1 to be positioned quickly and avoid collision between the mold core 1 and the U-shaped groove machine member 33 as much as possible, positioning guide pillar holes 311 on the fixing rod 31 are needed to be used for positioning; the guide post 321 adopts a conical structure with a small upper end and a large lower end, and adopts a certain fit allowance with the positioning guide post hole 311, so that the mold core 1 can be easily aligned when just being put in place, and can be accurately positioned after being put in place, and finally the driving cylinder 4 pushes the U-shaped groove part 33 to push the silicone rubber tube 2 out of the mold core 1, thereby completing demolding. And demolding of all the silicone rubber tubes 2 is completed once, so that operators are prevented from operating on the high-temperature mold cores for a long time, the operation safety coefficient is improved, the labor intensity of the operators is reduced, and the operation efficiency is greatly improved.
The number of the driving cylinders 4 is two, one driving cylinder 4 controls one U-shaped groove part 33 respectively, one driving cylinder 4 correspondingly drives one U-shaped groove part 33 to move, the two driving cylinders 4 are fixed on two sides of the fixed seat 32 respectively, and further, the two driving cylinders 4 are fixed on middle positions of two sides of the fixed seat 32 respectively.
The device further comprises an inductor which is respectively connected with the power supply and the control piece, wherein the inductor is used for sensing the movement position of the U-shaped groove machine part 33 and feeding back to the control piece.
Working principle: firstly, two U-shaped groove parts 33 are close, and the fixing rod 31 and the mold core 1 on the fixing rod 31 are placed into an upper mold and a lower mold of a vulcanization molding machine; after the silicone rubber tube 2 is molded, the fixing rod 31 is taken out, the fixing rod 31 is matched and fixed with the guide post 321 arranged on the fixing seat 32 through the positioning guide post hole 311, and the limiting plate 331 is positioned between the fixing rod 31 and the silicone rubber tube 2; after the fixing, the switch of the control piece is started to control the driving cylinder 4 to move, so that the two U-shaped groove parts 33 are controlled to move along the direction away from the fixing rod 31, when the U-shaped groove parts 33 are pushed out to reach the preset position, the silicone rubber tube 2 is pushed out to be separated from the mold core 1, at the moment, the sensor senses the position of the U-shaped groove parts 33 and feeds back the position to the control piece, the driving cylinder 4 returns, and the control piece controls the U-shaped groove parts 33 to move back to prepare the next mold. Wherein, when the silicone rubber tube 2 is pushed out and separated from the mold core 1, an operator retrieves the fixing rod 31 and the mold core 1 and sends the fixing rod back to the vulcanization molding machine to continue production, the operation is simple and convenient, and even new staff can safely operate.
In summary, the positioning guide post hole 311 is matched with the conical guide post 321 to position the mold core 1, so that the front section can be rapidly guided without adding a positioning design, and the rear section can be precisely positioned; through the cooperation of the U-shaped groove 332 with reasonable design and the mold core 1, the U-shaped groove 332 covers three quarters of the diameter length of the silicone rubber tube 2 during demolding, so that products are ensured not to run in the demolding process; the U-shaped groove part 33 is made of a corresponding aluminum alloy material reasonably, and a reasonable fit clearance is designed, so that the U-shaped groove 332 is prevented from being bumped with the mold core 1, the product is ensured not to be bumped, and the U-shaped groove part 33 is prevented from being aged and damaged due to the high temperature of production, so that the service life is shortened; the driving cylinder 4 is used as power, manual force is not needed, the labor intensity of operators is reduced, and the working efficiency is greatly improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the invention.
Claims (7)
1. The demolding device is used for demolding the silicon rubber tube on the straight-tube mold core and is characterized by comprising a fixing piece, a control piece, a driving cylinder and a power supply;
the fixing piece comprises a fixing rod, a fixing seat and two U-shaped groove parts, wherein at least one mold core is arranged on the fixing rod, the two U-shaped groove parts are respectively arranged on two sides of the fixing seat, and the two U-shaped groove parts are used for pushing out the silicone rubber tube and separating from the mold cores;
the driving cylinder is connected with the power supply, and the rotating shaft of the driving cylinder is connected with the U-shaped groove machine part;
the control piece is respectively connected with the power supply and the driving cylinder and is used for controlling the driving cylinder to stretch and retract so as to control the U-shaped groove machine part to move back and forth along the length direction of the mold core;
a plurality of limiting plates are uniformly distributed on each U-shaped groove machine part, a U-shaped groove is formed between every two limiting plates, and each mold core is correspondingly arranged in the U-shaped groove during demolding; a gap is arranged between the mold core and the inner side of the U-shaped groove; the U-shaped groove covers three quarters of the diameter length of the silicone rubber tube during demolding;
the demolding device further comprises an inductor, wherein the inductor is respectively connected with the power supply and the control piece, and the inductor is used for sensing the movement position of the U-shaped groove machine part and feeding back to the control piece.
2. The demolding device according to claim 1, wherein a plurality of mold cores are symmetrically arranged on both sides of the fixing rod.
3. The stripper apparatus of claim 1, wherein said U-shaped channel members are formed of an aluminum alloy material.
4. The demolding device according to claim 1, wherein a positioning guide post hole is formed in the fixing rod, and a guide post matched with the positioning guide post hole is formed in the fixing seat.
5. The stripper apparatus of claim 4, wherein the guide post has a conical configuration with a smaller upper end and a larger lower end.
6. The stripping apparatus as claimed in claim 1, wherein the number of said driving cylinders is two, and one driving cylinder controls each of said U-shaped groove members.
7. The stripper apparatus of claim 6, wherein two of the drive cylinders are disposed on opposite sides of the mounting base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710308659.7A CN107415106B (en) | 2017-05-04 | 2017-05-04 | Demolding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710308659.7A CN107415106B (en) | 2017-05-04 | 2017-05-04 | Demolding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107415106A CN107415106A (en) | 2017-12-01 |
| CN107415106B true CN107415106B (en) | 2023-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710308659.7A Active CN107415106B (en) | 2017-05-04 | 2017-05-04 | Demolding device |
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| Country | Link |
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| CN (1) | CN107415106B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109500769A (en) * | 2018-12-04 | 2019-03-22 | 安徽苏立科技股份有限公司 | Heat-generating pipe draws the pneumatic Suresh Kumar of stick and wears micelle tooling |
| CN112123550A (en) * | 2019-06-24 | 2020-12-25 | 立功科技有限公司 | Sequential demoulding forming machine with multiple stages of serial moulds |
| CN110900907B (en) * | 2019-11-29 | 2021-05-28 | 南京金三力高分子科技有限公司 | Forming die and processing method of wire harness rubber protective sleeve |
| CN110962262A (en) * | 2019-12-31 | 2020-04-07 | 佛山伊之密精密橡胶机械有限公司 | Vulcanizing device for casing rubber |
| CN113547704A (en) * | 2021-07-27 | 2021-10-26 | 南京工程学院 | Multi-station automatic rubber shell separating device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202006005529U1 (en) * | 2006-04-05 | 2007-08-16 | Valeo Schalter Und Sensoren Gmbh | Arrangement with a first component and with a second component |
| CN201693729U (en) * | 2010-06-13 | 2011-01-05 | 湖北鄂丰模具有限公司 | Radially positioned thread-unscrewing injection mold |
| CN201856323U (en) * | 2010-11-11 | 2011-06-08 | 东莞市蓝光塑胶模具有限公司 | Automatic ejection demoulding system for plastic mould |
| CN202357386U (en) * | 2011-11-18 | 2012-08-01 | 浙江伟星新型建材股份有限公司 | Mould core demoulding transmission structure of bridging elbow mould |
| CN103640129A (en) * | 2013-12-27 | 2014-03-19 | 南京金三力橡塑有限公司 | Demolding method of thin-wall rubber bellow |
| CN203680753U (en) * | 2014-01-24 | 2014-07-02 | 苏州市盛基硅橡胶模具有限公司 | Demoulding jig |
| CN206765170U (en) * | 2017-05-04 | 2017-12-19 | 厦门麦丰密封件有限公司 | A kind of stripper apparatus |
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2017
- 2017-05-04 CN CN201710308659.7A patent/CN107415106B/en active Active
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| Publication number | Publication date |
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| CN107415106A (en) | 2017-12-01 |
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