CN108673817B - EPS foam mold - Google Patents
EPS foam mold Download PDFInfo
- Publication number
- CN108673817B CN108673817B CN201810482845.7A CN201810482845A CN108673817B CN 108673817 B CN108673817 B CN 108673817B CN 201810482845 A CN201810482845 A CN 201810482845A CN 108673817 B CN108673817 B CN 108673817B
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- CN
- China
- Prior art keywords
- bevel gear
- rotating shaft
- side plate
- die
- upper female
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/58—Moulds
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/35—Component parts; Details or accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2025/00—Use of polymers of vinyl-aromatic compounds or derivatives thereof as moulding material
- B29K2025/04—Polymers of styrene
- B29K2025/06—PS, i.e. polystyrene
Abstract
The application discloses a mould for EPS foam in the technical field of foam processing, which comprises an upper female die and a lower male die, wherein a forming cavity is formed between the upper female die and the lower male die, the lower male die is connected with a placing box, the upper female die is horizontally and slidably connected between a front side plate and a rear side plate, the upper female die is positioned above the lower male die, a first spring is connected between the left side of the upper female die and the inner wall of a left side plate, the inner wall of a bottom plate is horizontally and slidably connected with a sliding block, a sliding rail is laid at the top of the sliding block, an arc-shaped bulge is arranged in the middle of the sliding rail, one side of the sliding block and the inner wall of a left side plate are connected with a second spring, and a partition plate is connected between; a driving mechanism is arranged between the lower male die and the right side plate, a thimble is vertically and slidably connected with the through hole, and the bottom of the thimble is slidably connected with the right side of the slide rail. This scheme can the drawing of patterns easy, extravagant manual work not.
Description
Technical Field
The invention relates to the technical field of foam processing, in particular to an EPS foam mold.
Background
EPS plastic foam is a polystyrene foam plastic, and is widely applied to the fields of packaging, heat preservation, water resistance, heat insulation, shock absorption and the like due to the characteristics of light weight, firmness, shock absorption, low moisture absorption, easy molding, good water resistance, heat insulation, low price and the like, and is one of the most widely applied plastics in the world today. The forming of the plastic foam is completed by utilizing a die, the existing EPS plastic foam forming die basically consists of an upper female die and a lower male die, and the required plastic foam is processed through die cavities with different shapes formed by the upper female die and the lower male die. However, the mold is heavy, and much physical force is required for opening and closing the mold.
For solving above-mentioned problem, the chinese utility model patent that the grant bulletin number is CN104015274B provides a refrigerator widget mould, including last die and lower terrace die, be equipped with the support on the lower terrace die, the support passes through the location axle and links to each other with the lateral wall about the lower terrace die, be equipped with the screw rod on the horizontal pole of support, the one end welding of screw rod is on the surface of last die, the vertical pole outside of support is equipped with a right angle piece, and corresponds on the lateral wall about the lower terrace die and be equipped with right angle piece assorted recess. However, the utility model has the following problems: after the mold is opened, the mold is difficult to demold, and the demolding is completed by another person, which wastes manpower.
Disclosure of Invention
The invention aims to provide a mould for EPS foam, which solves the problems of difficult demoulding and labor waste in the prior art.
The EPS foam mold comprises an upper female mold and a lower male mold, wherein a forming cavity is formed between the upper female mold and the lower female mold, the lower male mold is connected with a placing box, the placing box is formed by surrounding a left side plate, a right side plate, a front side plate, a rear side plate and a bottom plate, the lower male mold is fixedly arranged between the front side plate and the rear side plate, a first gap is reserved between the bottom of the lower male mold and the bottom plate, the upper female mold is horizontally and slidably connected between the front side plate and the rear side plate, a second gap is reserved between the right side of the upper female mold and the right side plate, the upper female mold is positioned above the lower male mold, a first spring is connected between the left side of the upper female mold and the inner wall of the left side plate, a sliding block is horizontally and slidably connected with the inner wall of the bottom plate, a sliding rail is laid at the top of the sliding block, an arc-shaped bulge is arranged in the middle of the sliding, a partition plate is connected between the right side of the lower male die and the inner wall of the right side plate; a driving mechanism is arranged between the lower male die and the right side plate, the driving mechanism comprises a first rotating shaft, a first bevel gear, a second bevel gear, a third bevel gear and a fourth bevel gear, the third bevel gear and the fourth bevel gear are sleeved on the first rotating shaft, one end of the first rotating shaft is rotatably connected with the right side plate and extends out of the right side plate, the inner wall of the right side of the bottom plate is rotatably connected with a vertical second rotating shaft, the first bevel gear is sleeved on the top of the second rotating shaft, a first rope is connected between the other side of the sliding block and the second rotating shaft, the partition plate is rotatably connected with the vertical third rotating shaft, a second rope is connected between the top of the third rotating shaft and the right side of the upper female die, the second bevel gear is sleeved on the bottom of the third rotating shaft, the third bevel gear is engaged with the first bevel gear, the second bevel gear is engaged with the, the through hole is vertically and slidably connected with a thimble, and the bottom of the thimble is slidably connected with the right side of the slide rail.
The working principle of the invention is as follows: this scheme is when preparation foam forming part, goes up die and lower die lock this moment and closes into the shaping cavity, and the forming part is located the shaping intracavity, and the top of thimble is located outside the shaping cavity, and the bottom of thimble is located the top on sliding block right side, and first spring and second spring are in natural state.
In order to perform demolding, the scheme is realized in such a way that the first rotating shaft is rotatably connected with the right side plate, one end of the first rotating shaft extends out of the right side plate, the first rotating shaft is rotated clockwise, the third bevel gear and the fourth bevel gear are sleeved on the first rotating shaft, the first rotating shaft drives the third bevel gear and the fourth bevel gear to rotate clockwise on the vertical surface, meanwhile, the vertical second rotating shaft is rotatably connected with the right side of the inner wall of the bottom plate, the first bevel gear is sleeved on the top of the second rotating shaft, the partition plate is rotatably connected with the vertical third rotating shaft, the second bevel gear is sleeved on the bottom of the third rotating shaft, the first bevel gear is meshed with the third bevel gear, the second bevel gear is meshed with the fourth bevel gear, the third bevel gear drives the first bevel gear to rotate anticlockwise on the horizontal plane, the first bevel gear drives the second rotating shaft to rotate anticlockwise, the fourth bevel gear drives the second bevel gear to rotate anticlockwise on the horizontal plane, and the second bevel gear drives the third rotating shaft to rotate anticlockwise; be connected with first rope between one side of second pivot and sliding block, the second pivot rotates the back, first rope twines in the second pivot, first rope pulling sliding block moves towards curb plate right, first spring is stretched, third pivot anticlockwise rotation simultaneously, be connected with the second rope between the right side of third pivot and last die, the second rope twines in the third pivot, go up the horizontal sliding connection of die between preceding curb plate and posterior lateral plate, the recess removes towards curb plate right in the second rope pulling, the second spring is stretched.
Initially, because the upper female die is not separated from the lower male die, if the ejector pin ejects the formed part upwards at the moment, the formed part cannot be ejected due to the limitation of the upper female die, but the formed part can be crushed. When the mold needs to be built, the rotating shafts are rotated reversely, the first rope is separated from the second rotating shaft, the second rope is separated from the third rotating shaft, the first spring and the second spring are restored, the upper concave mold and the sliding block are restored to the initial positions under the pulling of the first spring and the second spring, and the ejector pin is separated from the molding cavity.
The invention has the beneficial effects that: this scheme is through rotating first pivot, and then drive the rotation of third pivot through fourth bevel gear, third bevel gear drives first pivot and rotates, first rope twines in the second pivot, first rope pulling sliding block moves towards right side board, the second rope twines in the third pivot, the die moves towards right side board in the second rope pulling, initially, the bottom contact of gliding right side and thimble, after last die breaks away from lower terrace die, arc portion pushes up the thimble, the thimble will push out the formed part, just so the drawing of patterns has been accomplished, the drawing of patterns is easy and extravagant artifical.
Further, the first rotating shaft is connected with a handle. The rotating shaft can be conveniently rotated by rotating the handle.
Furthermore, a limiting block is arranged at the top of the third rotating shaft. When the second rope twines in the third pivot, the stopper can prevent that the second rope from droing from the top of stopper.
Furthermore, the handle is provided with anti-skid lines. The anti-skid lines can play a role in skid resistance.
Drawings
FIG. 1 is a schematic structural view of a mold for EPS foam of the present invention;
fig. 2 is a schematic structural view of the ejector pin of fig. 1 when the molding member is ejected.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a fourth bevel gear 1, a third bevel gear 2, a second rotating shaft 3, a first bevel gear 4, a first rope 5, a thimble 6, a sliding rail 7, a sliding block 8, a bottom plate 9, a second spring 10, a convex part 11, a first spring 12, a left side plate 13, a lower convex die 14, an upper concave die 15, a partition plate 16, a second rope 17, a limiting block 18, a right side plate 19, a third rotating shaft 20, a handle 21, a second bevel gear 22, a first rotating shaft 23 and a molded part 24.
The embodiment is basically as shown in the attached figures 1 and 2: a EPS foam mold comprises an upper female mold 15 and a lower female mold 14, wherein a molding cavity is formed between the upper female mold 15 and the lower female mold 14, the lower male mold 14 is connected with a placing box, the placing box is formed by surrounding a left side plate 13, a right side plate 19, a front side plate, a rear side plate and a bottom plate 9, the lower male mold 14 is fixedly arranged between the front side plate and the rear side plate, a first gap is reserved between the bottom of the lower female mold 14 and the bottom plate 9, the upper female mold 15 is horizontally and slidably connected between the front side plate and the rear side plate, a second gap is reserved between the right side of the upper female mold 15 and the right side plate 19, the upper female mold 15 is positioned above the lower male mold 14, a first spring 12 is connected between the left side of the upper female mold 15 and the inner wall of the left side plate 13, a sliding block 8 is horizontally and slidably connected to the inner wall of the bottom plate 9, a sliding rail 7 is laid at the top of the sliding block 8, an arc-shaped bulge, a partition plate 16 is connected between the right side of the lower male die 14 and the inner wall of the right side plate 19; a driving mechanism is arranged between the lower convex die 14 and the right side plate 19, the driving mechanism comprises a first rotating shaft 23, a first bevel gear 4, a second bevel gear 22, a third bevel gear 2 and a fourth bevel gear 1 which are sleeved on the first rotating shaft 23, one end of the first rotating shaft 23 is rotatably connected with the right side plate 19 and extends out of the right side plate 19, the first rotating shaft 23 is connected with a handle 21, anti-skid grains are arranged on the handle 21, a vertical second rotating shaft 3 is rotatably connected with the inner wall on the right side of the bottom plate 9, the first bevel gear 4 is sleeved on the top of the second rotating shaft 3, a first rope 5 is connected between the second rotating shaft 3 and the other side of the sliding block 8, a vertical third rotating shaft 20 is rotatably connected with a partition 16, a second rope 17 is connected between the top of the third rotating shaft 20 and the right side of the upper concave die 15, the second bevel gear 22 is sleeved on the bottom of the third, the third bevel gear 2 is meshed with the first bevel gear 4, the second bevel gear 22 is meshed with the fourth bevel gear 1, a through hole is formed in the bottom of the lower male die 14, a thimble 6 is vertically connected with the through hole in a sliding mode, and the bottom of the thimble 6 is connected with the right side of the sliding rail 7 in a sliding mode.
When the foam molding piece 24 is manufactured, the upper female die 15 and the lower female die 14 are buckled into the molding cavity, the molding piece 24 is located in the molding cavity, the top of the ejector pin 6 is located outside the molding cavity, the bottom of the ejector pin 6 is located at the top of the right side of the sliding block 8, and the first spring 12 and the second spring 10 are in a natural state.
In order to perform demolding, the scheme is realized in such a way that a first rotating shaft 23 is rotatably connected with a right side plate 19, one end of the first rotating shaft 23 extends out of the right side plate 19, the first rotating shaft 23 is rotated clockwise, because a third bevel gear 2 and a fourth bevel gear 1 are sleeved on the first rotating shaft 23, the first rotating shaft 23 drives the third bevel gear 2 and the fourth bevel gear 1 to rotate clockwise on a vertical surface, meanwhile, because the right side of the inner wall of a bottom plate 9 is rotatably connected with a vertical second rotating shaft 3, the top of the second rotating shaft 3 is sleeved with the first bevel gear 4, a partition plate 16 is rotatably connected with a vertical third rotating shaft 20, the bottom of the third rotating shaft 20 is sleeved with a second bevel gear 22, the first bevel gear 4 is engaged with the third bevel gear 2, the second bevel gear 22 is engaged with the fourth bevel gear 1, therefore, the third bevel gear 2 and the fourth bevel gear 1 which rotate clockwise on the vertical surface, the third bevel gear 2 drives the first bevel, the first bevel gear 4 drives the second rotating shaft 3 to rotate anticlockwise, the fourth bevel gear 1 drives the second bevel gear 22 to rotate anticlockwise on the horizontal plane, and the second bevel gear drives the third rotating shaft 20 to rotate anticlockwise; be connected with first rope 5 between one side of second pivot 3 and sliding block 8, second pivot 3 rotates the back, first rope 5 twines in second pivot 3, first rope 5 pulling sliding block 8 moves towards right side board 19, second spring 10 is stretched, third pivot 20 anticlockwise rotation simultaneously, be connected with second rope 17 between third pivot 20 and the right side of last die 15, second rope 17 twines in third pivot 20, go up die 15 horizontal sliding connection between preceding curb plate and posterior lateral plate, die 15 moves towards right side board 19 in the pulling of second rope 17, first spring 12 is stretched.
Initially, because the upper female die 15 is not separated from the lower male die 14, if the ejector pin 6 ejects the formed part 24 upwards at this time, because of the limitation of the upper female die 15, the formed part 24 cannot be ejected, but the formed part 24 is crushed, and this solution is solved in such a way that a second gap is left between the right side of the upper female die 15 and the right side plate 19, because the bottom of the ejector pin 6 is slidably connected with the slide rail 7, at this time, the bottom of the ejector pin 6 is located at the right side of the slide rail 7, and the middle part of the slide rail 7 is provided with the protrusion 11, therefore, when the slide rail 7 is driven by the slide block 8 to move towards the right side plate 19, the slide rail 7 cannot make the ejector pin 6 slide upwards in the through hole, and further cannot eject the formed part 24, after the upper female die 15 is pulled by the second rope 17 to be separated from the lower male die 14, the arc part on, and the ejector pin 6 ejects the molded part 24 to finish demolding. When the mold needs to be built, the rotating shafts are rotated reversely, the first rope 5 is separated from the second rotating shaft 3, the second rope 17 is separated from the third rotating shaft 20, the first spring 12 and the second spring 10 are restored, the upper female mold 15 and the sliding block 8 are restored to the initial positions under the pulling of the first spring 12 and the second spring 10, and the ejector pin 6 is released from the molding cavity.
Claims (4)
1. A mould of EPS foam, its characterized in that: the upper male die is fixedly arranged between the front side plate and the rear side plate, a first gap is reserved between the bottom of the lower male die and the bottom plate, the upper female die is horizontally and slidably connected between the front side plate and the rear side plate, a second gap is reserved between the right side of the upper female die and the right side plate, the upper female die is positioned above the lower male die, a first spring is connected between the left side of the upper female die and the inner wall of the left side plate, a sliding block is horizontally and slidably connected to the inner wall of the bottom plate, a sliding rail is laid at the top of the sliding block, an arc-shaped bulge is arranged in the middle of the sliding rail, and a second spring used for limiting the sliding of the sliding block is connected to one side of the sliding block and the inner wall of the left side plate, a partition plate is connected between the right side of the lower male die and the inner wall of the right side plate; a driving mechanism is arranged between the lower male die and the right side plate, the driving mechanism comprises a first rotating shaft, a first bevel gear, a second bevel gear, a third bevel gear and a fourth bevel gear, the third bevel gear and the fourth bevel gear are sleeved on the first rotating shaft, one end of the first rotating shaft is rotatably connected with the right side plate and extends out of the right side plate, the inner wall of the right side of the bottom plate is rotatably connected with a vertical second rotating shaft, the first bevel gear is sleeved on the top of the second rotating shaft, a first rope is connected between the other side of the sliding block and the second rotating shaft, the partition plate is rotatably connected with the vertical third rotating shaft, a second rope is connected between the top of the third rotating shaft and the right side of the upper female die, the second bevel gear is sleeved on the bottom of the third rotating shaft, the third bevel gear is engaged with the first bevel gear, the second bevel gear is engaged with the, the through hole is vertically and slidably connected with a thimble, and the bottom of the thimble is slidably connected with the right side of the slide rail.
2. A mold for EPS foam according to claim 1, characterized in that: the first rotating shaft is connected with a handle.
3. A mold for EPS foam according to claim 2, characterized in that: and a limiting block is arranged at the top of the third rotating shaft.
4. A mold for EPS foam according to claim 3, characterized in that: the handle is provided with anti-skid lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810482845.7A CN108673817B (en) | 2018-05-18 | 2018-05-18 | EPS foam mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810482845.7A CN108673817B (en) | 2018-05-18 | 2018-05-18 | EPS foam mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108673817A CN108673817A (en) | 2018-10-19 |
| CN108673817B true CN108673817B (en) | 2020-06-02 |
Family
ID=63805734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810482845.7A Active CN108673817B (en) | 2018-05-18 | 2018-05-18 | EPS foam mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108673817B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7261933B2 (en) * | 1999-10-14 | 2007-08-28 | Gorowicz Janusz P | Headliner having integrated energy absorbing foam |
| JP2012096421A (en) * | 2010-11-01 | 2012-05-24 | Daisen Co Ltd | Molding method and apparatus of foam-molded article |
| WO2014129988A1 (en) * | 2013-02-20 | 2014-08-28 | Akkaya Eps Maki̇na İmalat Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | Air cooled polystyrene injection molding machine with multiple movable molds |
| CN204566359U (en) * | 2015-04-30 | 2015-08-19 | 王紫莹 | Turn-draw device |
| CN106363858A (en) * | 2016-11-18 | 2017-02-01 | 遵义市剑龙塑料泡沫制品有限公司 | EPS plastic foam de-molding process |
| CN106493900A (en) * | 2016-12-08 | 2017-03-15 | 无锡同心塑料制品有限公司 | A kind of plastic foam mechanical foaming machine |
| CN106626247A (en) * | 2016-11-18 | 2017-05-10 | 遵义市剑龙塑料泡沫制品有限公司 | EPS plastic foam mould convenient to strip |
| CN206967839U (en) * | 2017-06-27 | 2018-02-06 | 南通辉宏康复器材有限公司 | A kind of polyurethane blowing mold of easy mold release |
-
2018
- 2018-05-18 CN CN201810482845.7A patent/CN108673817B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7261933B2 (en) * | 1999-10-14 | 2007-08-28 | Gorowicz Janusz P | Headliner having integrated energy absorbing foam |
| JP2012096421A (en) * | 2010-11-01 | 2012-05-24 | Daisen Co Ltd | Molding method and apparatus of foam-molded article |
| WO2014129988A1 (en) * | 2013-02-20 | 2014-08-28 | Akkaya Eps Maki̇na İmalat Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | Air cooled polystyrene injection molding machine with multiple movable molds |
| CN204566359U (en) * | 2015-04-30 | 2015-08-19 | 王紫莹 | Turn-draw device |
| CN106363858A (en) * | 2016-11-18 | 2017-02-01 | 遵义市剑龙塑料泡沫制品有限公司 | EPS plastic foam de-molding process |
| CN106626247A (en) * | 2016-11-18 | 2017-05-10 | 遵义市剑龙塑料泡沫制品有限公司 | EPS plastic foam mould convenient to strip |
| CN106493900A (en) * | 2016-12-08 | 2017-03-15 | 无锡同心塑料制品有限公司 | A kind of plastic foam mechanical foaming machine |
| CN206967839U (en) * | 2017-06-27 | 2018-02-06 | 南通辉宏康复器材有限公司 | A kind of polyurethane blowing mold of easy mold release |
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| Publication number | Publication date |
|---|---|
| CN108673817A (en) | 2018-10-19 |
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Address after: 563319 in the 532 plant area, Fenghua Town, Suiyang County, Zunyi City, Guizhou Province Patentee after: Guizhou Jianzhan Technology Co.,Ltd. Address before: 563319 in the 532 plant area, Fenghua Town, Suiyang County, Zunyi City, Guizhou Province Patentee before: ZUNYI JIANLONG PLASTIC FOAM PRODUCTS Co.,Ltd. |
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