CN107856254B - Oiling small door base mold and molding method - Google Patents
Oiling small door base mold and molding method Download PDFInfo
- Publication number
- CN107856254B CN107856254B CN201711401139.7A CN201711401139A CN107856254B CN 107856254 B CN107856254 B CN 107856254B CN 201711401139 A CN201711401139 A CN 201711401139A CN 107856254 B CN107856254 B CN 107856254B
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- Prior art keywords
- block
- molded body
- linear
- sliding
- rotary
- Prior art date
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- 238000000034 method Methods 0.000 title claims description 13
- 238000000465 moulding Methods 0.000 title claims description 9
- 239000000945 filler Substances 0.000 claims description 9
- 239000000446 fuel Substances 0.000 claims 1
- 230000008569 process Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001360 synchronised 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
-
- 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
- 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
- B29C2045/2683—Plurality of independent mould cavities in a single mould
Abstract
The invention relates to a small oiling door base mold, which comprises a mold body, wherein a first cavity and a second cavity are formed in the mold body, the small oiling door base comprises a first molded body and a second molded body, an inner groove is formed in the first molded body, the first cavity is used for forming the first molded body, and the second cavity is used for forming the second molded body; the rotary demoulding component is arranged in the first cavity and used for separating from the first molded body after the first molded body is molded, the linear demoulding component is arranged in the second cavity and used for separating from the second molded body after the second molded body is molded, and the rotary demoulding component comprises a linear rack, a rotary ejector block, a sliding ejector block, a linear sliding block and an external ejector block. Has the advantages of reasonable structure, convenient demoulding and high forming efficiency.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to a small oiling door base forming die and a small oiling door base forming method.
Background
Along with the development of innovation, economy and science and technology of China are remarkably developed, along with the remarkable improvement of living standard of people, automobiles become necessary walk-substituting tools for people, the automobile industry is rapidly developed, and requirements of people on automobile safety performance are also higher and higher, for example, a small fueling door is an important appearance functional part for guaranteeing the safety of an oil tank. The small oiling door comprises a small oiling door base and a door plate, and the small oiling door base and the door plate are respectively formed through injection molding of a mold. However, for lightweight design and raw material saving, the oiling small door base will be provided with an inner groove, which is large and small in the inside and outside, which greatly increases the molding difficulty. Mainly show when the drawing of patterns, the kicking block can not break away from in the inner grooveonce, and then has increased the complexity and the process time of mould.
Therefore, how to improve the existing bottom seat mold of the oil filling small door to overcome the above problems is a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention mainly aims to provide the oiling small door base mold which is reasonable in structure, convenient to demold and high in molding efficiency.
The invention further aims to provide a forming method of the oiling small door base, which is convenient to process, rapid in demolding and high in production efficiency.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a refuel door base mould, includes mould body, its characterized in that: the oil filling small door base comprises a first molded body and a second molded body, wherein an inner groove is formed in the first molded body, the first molded body is used for forming the first molded body, and the second molded body is used for forming the second molded body; the first cavity is internally provided with a rotary demolding part which is used for separating the first molded body from the first molded body after the first molded body is molded, and the second cavity is internally provided with a linear demolding part which is used for separating the second molded body from the second molded body after the second molded body is molded;
the rotary demolding component comprises a linear rack, a rotary ejector block, a sliding ejector block, a linear sliding block and an external ejector block, wherein the linear rack performs linear motion in the mold body, the rotary ejector block is rotationally arranged in the mold body, an annular rack is arranged at the lower part of the rotary ejector block, the annular rack is meshed with the linear rack, the linear rack can drive the rotary ejector block to rotate, the sliding ejector block is slidably arranged at the upper part of the rotary ejector block, the sliding ejector block and the upper part of the rotary ejector block are positioned in the inner groove, and after the sliding ejector block slides back to the inner groove, the rotary ejector block can rotate with the sliding ejector block to be separated from the inner groove; the linear sliding block moves linearly in the die body, the lower part of the external jacking block is slidably arranged at the front part of the linear sliding block, the external jacking block can move obliquely upwards or downwards along the linear sliding block, the upper part of the external jacking block is positioned at the outer side of the inner groove, and when the linear sliding block slides outwards, the external jacking block can move obliquely downwards along the linear sliding block to the lowest point and separate from the inner groove.
Preferably, the front part of the linear sliding block is provided with a chute which is inclined downwards, and the lower part of the external jacking block is provided with a sliding column matched with the chute.
As an improvement, the linear rack is connected with a first cylinder, the linear slide block is connected with a second cylinder, and the first cylinder and the second cylinder respectively drive the linear rack and the linear slide block to perform linear reciprocating motion. The cylinder is a power mechanism commonly used on the die.
Preferably, the upper part of the rotary top block is provided with a trapezoid groove, the sliding top block is provided with a sliding hole, a control shaft is arranged in the trapezoid groove and the sliding hole, and the control shaft moves in the trapezoid groove and is limited through the sliding hole, so that the sliding top block slides on the rotary top block. The control shaft is more convenient and accurate to control, and plays a certain limiting effect.
The chute is formed by two sections with sequentially increased inclination. The shape of the chute can be correspondingly designed according to the shape of the product.
A method for forming a small oiling door base is characterized by comprising the following steps: the method comprises the following steps:
step A: injecting molten plastic into the first cavity and the second cavity respectively to mold the first molded body and the second molded body respectively;
and (B) step (B): the rotary demoulding component acts to demould the first molded body;
step C: the linear demolding part acts to demold the second molded body;
step D: the ejection part in the die body acts to eject the first molded body and the second molded body;
step E: after the first molded body and the second molded body are taken out and treated, bonding to form a complete fueling small door base;
wherein, the step B comprises the following steps:
step B1: the control shaft acts to enable the sliding top block to partially move out of the inner groove;
step B2: the first cylinder acts to enable the linear rack to slide outwards to drive the rotary jacking block to rotate clockwise, and then the rotary jacking block and the sliding jacking block are separated from the inner groove;
step B3: the second cylinder acts to enable the linear sliding block to slide outwards, the outer top block firstly slides downwards along the sliding groove in an inclined mode, and then slides outwards along the linear sliding block after sliding to the lowest point and is separated from the inner groove.
Preferably, the step B and the step C are performed simultaneously; the step B2 and the step B3 are synchronously performed. And the synchronous operation is performed, so that the efficiency is increased.
Compared with the prior art, the invention has the advantages that: through the setting of rotatory drawing of patterns part, solved the problem of inner groove structure drawing of patterns difficulty, the drawing of patterns is convenient moreover, and shaping efficiency is high. In addition, the split molding of the small oiling door base is more convenient to process, the demolding is quicker, and the production efficiency is higher.
Drawings
FIG. 1 is a schematic view of the structure of a door base in accordance with a preferred embodiment of the present invention;
FIG. 2 is a schematic view showing the structure of the split state of the oil adding small door base according to a preferred embodiment of the present invention;
FIG. 3 is a schematic perspective view of a preferred embodiment of the present invention;
FIG. 4 is a schematic illustration of the internal structure (including a filler neck base) according to a preferred embodiment of the present invention;
FIG. 5 is a schematic view of the internal structure of a preferred embodiment according to the present invention;
FIG. 6 is a schematic perspective view of a rotary stripping member in accordance with a preferred embodiment of the present invention;
FIG. 7 is a half cross-sectional view of a rotary stripping member in accordance with a preferred embodiment of the present invention;
fig. 8 is a partially exploded view of a rotary stripping member in accordance with a preferred embodiment of the invention.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
As shown in fig. 1 to 8, a preferred embodiment of the present invention comprises a mold body 1, wherein a first cavity 11 and a second cavity 12 are arranged in the mold body 1, a small oiling gate base 100 comprises a first molded body 101 and a second molded body 102, an inner groove 1011 is arranged on the first molded body 101, the first cavity 11 is used for molding the first molded body 101, and the second cavity 12 is used for molding the second molded body 102; the first cavity 11 is provided with a rotary demolding member 2 for separating the molded first molded body 101 from the molded first molded body 101, and the second cavity 12 is provided with a linear demolding member 3 for separating the molded second molded body 102 from the molded second molded body 102.
The key point is that: the rotary demolding part 2 comprises a linear rack 21, a rotary ejector block 22, a sliding ejector block 23, a linear sliding block 24 and an external ejector block 25, wherein the linear rack 21 performs linear motion in the mold body 1, the rotary ejector block 22 is rotatably arranged in the mold body 1, an annular rack 221 is arranged at the lower part of the rotary ejector block 22, the annular rack 221 is meshed with the linear rack 21, the linear rack 21 can drive the rotary ejector block 22 to rotate, the sliding ejector block 23 is slidably arranged at the upper part of the rotary ejector block 22, the sliding ejector block 23 and the upper part of the rotary ejector block 22 are positioned in an inner groove 1011, and after the sliding ejector block 23 slides back to the inner groove 1011, the rotary ejector block 22 can rotate along with the sliding ejector block 23 to be separated from the inner groove 1011; the linear slide block 24 moves linearly in the die body 1, the lower part of the outer top block 25 is slidably arranged at the front part of the linear slide block 24, the outer top block 25 can move obliquely upwards or downwards along the linear slide block 24, the upper part of the outer top block 25 is positioned at the outer side of the inner groove 1011, and when the linear slide block 24 slides outwards, the outer top block 25 can move obliquely downwards along the linear slide block 24 to the lowest point and separate from the inner groove 1011.
Wherein, the front part of the linear slide block 24 is provided with a chute 241 which is inclined downwards, and the lower part of the outer jacking block 25 is provided with a slide column 251 which is matched with the chute 241.
In addition, as a driving mode, a first cylinder 26 is connected to the linear rack 21, a second cylinder 28 is connected to the linear slide block 24, and the first cylinder 26 and the second cylinder 28 respectively drive the linear rack 21 and the linear slide block 24 to perform linear reciprocating motion. The upper part of the rotary top block 22 is provided with a trapezoid groove 222, the sliding top block 23 is provided with a sliding hole 231, the trapezoid groove 222 and the sliding hole 231 are internally provided with a control shaft 27, and the control shaft 27 moves in the trapezoid groove 222 and is limited through the sliding hole 231, so that the sliding top block 23 slides on the rotary top block 22.
The chute 241 is formed of two stages of sequentially increasing inclination according to the shape of the filler neck base 100.
A method for forming a small oiling door base comprises the following steps:
step A: injecting molten plastic into the first cavity 11 and the second cavity 12 respectively to mold the first molded body 101 and the second molded body 102 respectively;
and (B) step (B): the rotary demolding member 2 is operated to demold the first molded body 101;
step C: the linear demolding member 3 acts to demold the second molded body 102;
step D: the ejector component in the die body 1 acts to eject the first body 101 and the second body 102;
step E: after the first molded body 101 and the second molded body 102 are taken out for treatment, bonding to form a complete small fueling door base 100;
wherein, the step B comprises the following steps:
step B1: the control shaft 27 acts to enable the sliding top block 23 to partially move out of the inner groove 1011;
step B2: the first cylinder 26 acts to enable the linear rack 21 to slide outwards to drive the rotary jacking block 23 to rotate clockwise, and further enable the rotary jacking block 22 and the sliding jacking block 23 to be separated from the inner groove 1011;
step B3: the second cylinder 28 operates to slide the linear slider 24 to the outside, and the outer top block 25 slides down obliquely along the slide groove 241, slides to the lowest point, and then slides to the outside along with the linear slider 24, and is separated from the inner groove 1011.
Wherein, step B and step C are carried out synchronously; step B2 and step B3 are performed synchronously.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a refuel door base mould, includes mould body, its characterized in that: the oil filling small door base comprises a first molded body and a second molded body, wherein an inner groove is formed in the first molded body, the first molded body is used for forming the first molded body, and the second molded body is used for forming the second molded body; the first cavity is internally provided with a rotary demolding part which is used for separating the first molded body from the first molded body after the first molded body is molded, and the second cavity is internally provided with a linear demolding part which is used for separating the second molded body from the second molded body after the second molded body is molded;
the rotary demolding component comprises a linear rack, a rotary ejector block, a sliding ejector block, a linear sliding block and an external ejector block, wherein the linear rack performs linear motion in the mold body, the rotary ejector block is rotationally arranged in the mold body, an annular rack is arranged at the lower part of the rotary ejector block, the annular rack is meshed with the linear rack, the linear rack can drive the rotary ejector block to rotate, the sliding ejector block is slidably arranged at the upper part of the rotary ejector block, the sliding ejector block and the upper part of the rotary ejector block are positioned in the inner groove, and after the sliding ejector block slides back to the inner groove, the rotary ejector block can rotate with the sliding ejector block to be separated from the inner groove; the linear sliding block moves linearly in the die body, the lower part of the external jacking block is slidably arranged at the front part of the linear sliding block, the external jacking block can move obliquely upwards or downwards along the linear sliding block, the upper part of the external jacking block is positioned at the outer side of the inner groove, and when the linear sliding block slides outwards, the external jacking block can move obliquely downwards along the linear sliding block to the lowest point and separate from the inner groove.
2. A filler neck base mold as in claim 1, wherein: the front part of the linear sliding block is provided with a chute which is inclined downwards, and the lower part of the external jacking block is provided with a sliding column matched with the chute.
3. A filler neck base mold as in claim 2, wherein: the linear rack is connected with a first cylinder, the linear slide block is connected with a second cylinder, and the first cylinder and the second cylinder respectively drive the linear rack and the linear slide block to perform linear reciprocating motion.
4. A filler neck base mold as in claim 3, wherein: the trapezoid groove is formed in the upper portion of the rotary jacking block, the sliding jacking block is provided with a sliding hole, a control shaft is arranged in the trapezoid groove and the sliding hole, and the control shaft moves in the trapezoid groove and is limited through the sliding hole, so that the sliding jacking block slides on the rotary jacking block.
5. A filler neck base mold as in claim 4, wherein: the chute is formed by two sections with sequentially increased inclination.
6. A method of molding a filler neck base using the filler neck base mold of claim 5, comprising: the method comprises the following steps:
step A: injecting molten plastic into the first cavity and the second cavity respectively to mold the first molded body and the second molded body respectively;
and (B) step (B): the rotary demoulding component acts to demould the first molded body;
step C: the linear demolding part acts to demold the second molded body;
step D: the ejection part in the die body acts to eject the first molded body and the second molded body;
step E: after the first molded body and the second molded body are taken out and treated, bonding to form a complete fueling small door base;
wherein, the step B comprises the following steps:
step B1: the control shaft acts to enable the sliding top block to partially move out of the inner groove;
step B2: the first cylinder acts to enable the linear rack to slide outwards to drive the rotary jacking block to rotate clockwise, and then the rotary jacking block and the sliding jacking block are separated from the inner groove;
step B3: the second cylinder acts to enable the linear sliding block to slide outwards, the outer top block firstly slides downwards along the sliding groove in an inclined mode, and then slides outwards along the linear sliding block after sliding to the lowest point and is separated from the inner groove.
7. The method of molding a fuel filler door base of claim 6, wherein: the step B and the step C are synchronously carried out; the step B2 and the step B3 are synchronously performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711401139.7A CN107856254B (en) | 2017-12-22 | 2017-12-22 | Oiling small door base mold and molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711401139.7A CN107856254B (en) | 2017-12-22 | 2017-12-22 | Oiling small door base mold and molding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107856254A CN107856254A (en) | 2018-03-30 |
| CN107856254B true CN107856254B (en) | 2023-12-05 |
Family
ID=61707090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711401139.7A Active CN107856254B (en) | 2017-12-22 | 2017-12-22 | Oiling small door base mold and molding method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107856254B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0118536D0 (en) * | 2001-07-30 | 2001-09-19 | Rpc Containers Ltd | Product application device |
| JP2002234059A (en) * | 2001-02-13 | 2002-08-20 | Nok Corp | Mold |
| CA2348830A1 (en) * | 2001-03-01 | 2002-09-01 | Unique Mould Makers Limited | Compact slide actuation mold |
| KR20100006308A (en) * | 2008-07-09 | 2010-01-19 | 주식회사 엘엠에스엔지니어링 | Injection molding apparatus with screw under-cut treatment |
| CN103121277A (en) * | 2013-02-02 | 2013-05-29 | 宁波思迈工业科技有限公司 | Spiral demoulding device of bevel gear injection mold |
| CN205009531U (en) * | 2015-07-15 | 2016-02-03 | 浙江海燕模具有限公司 | An ejecting demoulding mechanism of mould cavity back -off hydro -cylinder is moulded to car |
| CN106738696A (en) * | 2016-12-30 | 2017-05-31 | 浙江工商职业技术学院 | A kind of hot runner mould with rotation stripping mechanism |
| CN206765301U (en) * | 2017-05-27 | 2017-12-19 | 张家港市天江精密模具制造有限公司 | A kind of injection mold of deep thread bottle cap |
| CN207711246U (en) * | 2017-12-22 | 2018-08-10 | 宁波华翔汽车饰件有限公司 | A kind of oiling wicket base mould |
-
2017
- 2017-12-22 CN CN201711401139.7A patent/CN107856254B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002234059A (en) * | 2001-02-13 | 2002-08-20 | Nok Corp | Mold |
| CA2348830A1 (en) * | 2001-03-01 | 2002-09-01 | Unique Mould Makers Limited | Compact slide actuation mold |
| GB0118536D0 (en) * | 2001-07-30 | 2001-09-19 | Rpc Containers Ltd | Product application device |
| KR20100006308A (en) * | 2008-07-09 | 2010-01-19 | 주식회사 엘엠에스엔지니어링 | Injection molding apparatus with screw under-cut treatment |
| CN103121277A (en) * | 2013-02-02 | 2013-05-29 | 宁波思迈工业科技有限公司 | Spiral demoulding device of bevel gear injection mold |
| CN205009531U (en) * | 2015-07-15 | 2016-02-03 | 浙江海燕模具有限公司 | An ejecting demoulding mechanism of mould cavity back -off hydro -cylinder is moulded to car |
| CN106738696A (en) * | 2016-12-30 | 2017-05-31 | 浙江工商职业技术学院 | A kind of hot runner mould with rotation stripping mechanism |
| CN206765301U (en) * | 2017-05-27 | 2017-12-19 | 张家港市天江精密模具制造有限公司 | A kind of injection mold of deep thread bottle cap |
| CN207711246U (en) * | 2017-12-22 | 2018-08-10 | 宁波华翔汽车饰件有限公司 | A kind of oiling wicket base mould |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107856254A (en) | 2018-03-30 |
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