CN104859101A - Injection mold and injection method for automobile tire cushion belt - Google Patents
Injection mold and injection method for automobile tire cushion belt Download PDFInfo
- Publication number
- CN104859101A CN104859101A CN201510291574.3A CN201510291574A CN104859101A CN 104859101 A CN104859101 A CN 104859101A CN 201510291574 A CN201510291574 A CN 201510291574A CN 104859101 A CN104859101 A CN 104859101A
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- injection
- cavity
- injection molding
- tire flap
- automobile tire
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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
- 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
- B29C45/263—Moulds with mould wall parts provided with fine grooves or impressions, e.g. for record discs
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
- B29C2045/776—Measuring, controlling or regulating of velocity or pressure of moulding material determining the switchover point to the holding pressure
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to an injection mold and an injection method for an automobile tire cushion belt. The injection mold comprises a front mold insert, a rear mold insert and a middle template, wherein the lower part of the front mold insert is provided with a first mold core which is composed of an inverted cone frustum and a cylinder; the cylinder is connected to the lower end of the inverted cone frustum; the upper part of the rear mold insert is provided with a second mold core which is composed of a cone frustum and a cylinder; the cylinder is connected to the upper end of the cone frustum; a through groove, of which the inner wall is in an arc form, is formed in the middle of the middle template, and is matched with the first mold core and the second mold core to form a mold cavity which is used for casting the tire cushion belt; the middle part of the front mold insert is provided with a positioning ring and a sprue bush; the sprue bush is arranged in the middle of the positioning ring and is communicated with a runner which is formed in a parting surface; the other end of the runner is communicated with the mold cavity; a material-pulling nail is arranged in the middle of the rear mold insert in a penetrating manner; longitudinal through holes are evenly distributed in the front mold insert, the rear mold insert and the middle template; heating rods are arranged in the longitudinal through holes; a middle template limiting mechanism is also arranged at one side end of the front mold insert. The injection mold is compact in structure; the injection method is convenient and fast; rapid formation of the tire cushion belt is facilitated.
Description
Technical field
The present invention relates to a kind of injection molding and injecting method of automobile tire flap.
Background technology
Tire flap, also known as lining band, refers to conjunction face not by the endless rubber belt of wheel rim wearing and tearing for the protection of the inner tube of a tyre.It is loaded between the inner tube of a tyre and wheel rim, thicker in the middle part of it, and two edges are gradually thin from inside to outside.Existing tire flap generally adopts the mode of pressing to prepare by plastic cement heat-sealing machine, but there is spark phenomenon when adopting the pressing of plastic cement heat-sealing machine easily to occur that die horizontal adjustment does not measure up, or heat seal process high-frequency current be adjusted to excessive, easily make mould produce and eat fiery phenomenon, large to the mould damage of pressing, often need repair a die, virtually add production cost.Simultaneously in existing process for pressing, the temperature of mould is generally 80 DEG C, plastic cement in a mold cannot bond vitrified effect bad, in use easily there is the situation of delamination in the rim strip prepared, causes service life not long.
Summary of the invention
The object of the present invention is to provide a kind of injection molding and injecting method of automobile tire flap, this injection mould structure is compact, and injecting method is convenient and swift, is conducive to forming tire flap fast.
Technical program of the present invention lies in: a kind of injection molding of automobile tire flap, comprise front cavity, rear cavity and middle template, described front cavity bottom is provided with the first core be made up of rounding frustum and the cylinder that is connected to rounding frustum lower end, described rear cavity top is provided with the second core be made up of the frustum of a cone and the cylinder that is connected to frustum of a cone upper end, be provided with the curved groove of inwall in the middle part of described middle template, described groove matches to form the die cavity for cast tire rim strip with the first core and the second core; Be provided with locating ring in the middle part of described front cavity and be installed on the sprue bush be connected in the middle part of locating ring and with the runner be opened on die joint, the described runner other end is connected with die cavity, is equipped with and draws material nail in the middle part of described rear cavity; Described front cavity, rear cavity and middle template are evenly equipped with longitudinal hole, described longitudinal hole is provided with heating rod; One side of described front cavity is also provided with middle template position-limit mechanism.
Further, described die joint is evenly equipped with at least four runners, described runner comprises the first curved channel be arranged on front cavity lower surface and the second curved channel being arranged at rear cavity upper surface, described runner afterbody is provided with arc and turns portion, described arc turns portion's end and is provided with cold slug well, and arc turns radical side and is provided with the runner be connected with die cavity.
Further, described middle template position-limit mechanism comprises the vertical spacing plate being connected to front cavity one side, and described limiting plate offers stopper slot, wears the banking pin being equipped with and being connected with middle template in described stopper slot.
Further, described front cavity upper surface is also provided with thermal insulation board, and described rear cavity lower surface is provided with base plate, and described base plate lower surface is provided with the second thermal insulation board, and base plate sidepiece is also provided with and is connected with middle template and is arranged with the release link of back-moving spring.
Further, the beside of described front cavity and rear cavity is also provided with the bolt hole for installing suspension ring.
Further, the upper and lower end face of described middle template is also respectively arranged with the circular vent be connected with die cavity.
Further, the end of described heating rod is also provided with the fixed head for being connected with front cavity, rear cavity or middle template.
An injecting method for automobile tire flap, comprises the injection molding of above-mentioned automobile tire flap, comprises the following steps:
1) make injection molding temperature keep 170 ~ 190 DEG C by heating rod, control the barrel temperature of injection machine at 75 ~ 95 DEG C simultaneously;
2) will to mix and dried plastic material adds in the barrel of injection machine, make plastic material melting;
3) in injection molding, inject the plastic material after melting by screw rod, control injection pressure, flow 20 ~ 48g/s, inject time 35 ~ 42s;
4), after cooling 280 ~ 320, die sinking also takes out tire flap.
Further, in described step 3, plastic cement injection process adopts syllogic injection, and one period of inject time is 5 ~ 6s, and injection pressure is 90 ~ 105Mpa, flow 36 ~ 44g/s; Two periods of inject times are 28 ~ 32s, and injection pressure is 90 ~ 105Mpa, flow 42 ~ 48g/s; Three sections inject time 2 ~ 3s, injection pressure is 55 ~ 65Mpa, flow 30 ~ 35g/s; Dwell time is 1 ~ 2s, and injection pressure is 25 ~ 35Mpa, and flow is 20 ~ 25g/s.
Further, the mode cooling screw in injection molding machine in described step 4 is air-cooled or water-cooled; Tire flap is put into water again after taking out and is carried out cooling normal temperature.
Compared with prior art, the present invention has the following advantages: this injection molding not only structure is simple, connects compact, convenient for injection moulding tire flap, and the tire flap melt molding of preparation is effective, not easily occurs delamination, long service life in use procedure; Wear and tear in this injection molding use procedure little, the number of times that repairs a die is few, can reduce production cost simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A district enlarged drawing of Fig. 1 of the present invention;
Fig. 3 is the schematic top plan view of removal front cavity of the present invention;
Fig. 4 is the structural representation sketch of front cavity of the present invention;
Fig. 5 is the structural representation sketch of rear cavity of the present invention;
Fig. 6 is the structural representation of middle template of the present invention;
Fig. 7 is heating rod structural representation of the present invention;
Fig. 8 is the structural representation of the product of preparation of the present invention;
In figure: in 1-front cavity 1a-rounding frustum 1b-cylinder 2-rear cavity 2a-frustum of a cone 2b-cylinder 3-, template 31-groove 32-protuberance 4-die cavity 5-locating ring 6-die joint 7-runner 71-first curved channel 72-second curved channel 73-arc turns portion 74-cold slug well 75-runner 8-sprue bush 9-and draws material nail 10-longitudinal hole 11-heating rod 111-fixed head 121-vertical spacing plate 122-stopper slot 123-banking pin 13-thermal insulation board 14-base plate 15-second thermal insulation board 16-release link 17-back-moving spring 18-bolt hole 19-circular vent B-rim strip B1-circular hole.
Detailed description of the invention
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing, be described in detail below, but the present invention is not limited to this.
Referring to figs. 1 to Fig. 8
A kind of injection molding of automobile tire flap, comprise front cavity 1, rear cavity 2 and middle template 3, described front cavity bottom is provided with the first core be made up of rounding frustum 1a and the cylinder 1b that is connected to rounding frustum lower end, described rear cavity top is provided with the second core be made up of frustum of a cone 2a and the cylinder 2b that is connected to frustum of a cone upper end, the curved groove of inwall 31 is provided with in the middle part of described middle template, when first core and the second core insert in groove, front cavity lower surface and rear cavity upper surface fit, thus form die joint 6, make groove match to form the die cavity 4 for cast tire rim strip with the first core and the second core simultaneously, be provided with locating ring 5 in the middle part of described front cavity and be installed on the sprue bush 8 be connected in the middle part of locating ring and with the runner 7 be opened on die joint, the described runner other end is connected with die cavity, thus plastic cement is injected in die cavity to form tire flap, be equipped with in the middle part of described rear cavity and draw material nail 9, to be pulled out from front cavity by waste material when parting, described front cavity, rear cavity and middle template are evenly equipped with longitudinal hole 10, described longitudinal hole are provided with heating rod 11 thus for mold heated, one side of described front cavity is also provided with middle template position-limit mechanism.Thus injection moulding cross section is curved, middle part is thicker, the rim strip B that two edges are gradually thin from inside to outside, and this rim strip center line is provided with the circular hole B1 passed for inner tube valve.
In the present embodiment, described die joint is evenly equipped with at least four runners 7, so that plastic uniform injects in die cavity, described runner comprises the first curved channel 71 be arranged on front cavity lower surface and the second curved channel 72 being arranged at rear cavity upper surface, described runner afterbody is provided with arc and turns portion 73, to slow down the flowing velocity of plastic cement, avoid plastic cement directly to be injected in die cavity by runner simultaneously, described arc turns portion's end and is provided with cold slug well 74, so that plastic cement cooling after injection, arc turns radical side and is provided with the runner 75 be connected with die cavity, thus by runner to injecting glue in die cavity.
In the present embodiment, described middle template position-limit mechanism comprises the vertical spacing plate 121 being connected to front cavity one side, described limiting plate offers stopper slot 122, the banking pin 123 being equipped with and being connected with middle template is worn in described stopper slot, thus the stroke of template in controlling, be also convenient to middle template and reset when matched moulds.
In the present embodiment, described front cavity upper surface is also provided with thermal insulation board 13, so that mould carries out heat insulation, prevent heat losses, described rear cavity lower surface is provided with base plate 14, described base plate lower surface is provided with the second thermal insulation board 15, and base plate sidepiece is also provided with and is connected with middle template and is arranged with the release link 16 of back-moving spring 17, so that the laggard horizontal reset of middle template parting.
In the present embodiment, for the ease of carrying mould, the beside of described front cavity and rear cavity is also provided with the bolt hole 18 for installing suspension ring.
In the present embodiment, the upper and lower end face of described middle template is also respectively arranged with the circular vent 19 be connected with die cavity, the gas in die cavity is discharged when injecting, can prevents the tire flap formed from occurring pore, improve the performance of tire flap.In this, the groove sidewall of template is also provided with the protuberance 32 making rim strip to be formed the circular hole that inner tube valve passes.
In the present embodiment, fixing when being arranged on mould for the ease of heating rod, the end of described heating rod is also provided with the fixed head 111 for being connected with front cavity, rear cavity or middle template.
The operation principle of this injection molding: after mould closes and closes, injection machine injects plastic cement in sprue bush, and plastic cement flows in die cavity through runner, runner, thus fills up whole die cavity.Air in die cavity is also discharged by steam vent by plastic cement in the process of filling up die cavity.After pressurize, having cooled, during injection machine drives rear cavity to drive, template is descending, by drawing material nail by the plastic cement pull-out in sprue bush, plastic cement is separated with front cavity; After during rear cavity drives, template runs a segment distance, middle template is under the effect of the banking pin of position-limit mechanism, and middle template is separated with rear cavity, after rear cavity moves to distance to a declared goal, by manually being taken out by tire flap, thus completes injection.
Embodiment one
An injecting method for automobile tire flap, comprises the injection molding of above-mentioned automobile tire flap, comprises the following steps:
1) make injection molding temperature keep 175 DEG C by heating rod, control the barrel temperature of injection machine at 80 DEG C simultaneously;
2) will to mix and dried plastic material adds in the barrel of injection machine, make plastic material melting;
3) in injection molding, inject the plastic material after melting by screw rod, control injection pressure, flow and inject time; This plastic cement injection process adopts syllogic injection, and one period of inject time is 5s, and injection pressure is 90Mpa, flow 36g/s; Two periods of inject times are 28s, and injection pressure is 90Mpa, flow 42g/s; Three sections inject time 2s, injection pressure is 55Mpa, flow 30g/s; Dwell time is 1s, and in pressure maintaining period, the injection pressure of injection machine is 25Mpa, and flow is 20g/s.
4) after mold cools down 280, die sinking also takes out tire flap.
In the present embodiment, also cool injector screw rod in described step 4, the mode of cooling screw in injection molding machine is air-cooled or water-cooled; Tire flap is put into water again after taking out and is carried out cooling normal temperature.
Embodiment two
An injecting method for automobile tire flap, comprises the injection molding of above-mentioned automobile tire flap, comprises the following steps:
1) make injection molding temperature keep 180 DEG C by heating rod, control the barrel temperature of injection machine at 85 DEG C simultaneously;
2) will to mix and dried plastic material adds in the barrel of injection machine, make plastic material melting;
3) in injection molding, inject the plastic material after melting by screw rod, control injection pressure, flow and inject time s; This plastic cement injection process adopts syllogic injection, and one period of inject time is 5s, and injection pressure is 100Mpa, flow 39g/s; Two periods of inject times are 30s, and injection pressure is 100Mpa, flow 45g/s; Three sections inject time 2s, injection pressure is 60Mpa, flow 31g/s; Dwell time is 1s, and in pressure maintaining period, the injection pressure of injection machine is 30Mpa, and flow is 20g/s.
4) after mold cools down 300, die sinking also takes out tire flap.
In the present embodiment, also cool screw in injection molding machine in described step 4, the mode of cooling screw in injection molding machine is air-cooled or water-cooled; Tire flap is put into water again after taking out and is carried out cooling normal temperature.
Embodiment three
An injecting method for automobile tire flap, comprises the injection molding of above-mentioned automobile tire flap, comprises the following steps:
1) make injection molding temperature keep 185 DEG C by heating rod, control the barrel temperature of injection machine at 95 DEG C simultaneously;
2) will to mix and dried plastic material adds in the barrel of injection machine, make plastic material melting;
3) in injection molding, inject the plastic material after melting by screw rod, control injection pressure, flow and inject time; This plastic cement injection process adopts syllogic injection, and one period of inject time is 6s, and injection pressure is 105Mpa, flow 44g/s; Two periods of inject times are 32s, and injection pressure is 105Mpa, flow 48g/s; Three sections inject time 3s, injection pressure is 65Mpa, flow 35g/s; Dwell time is 1s, and injection pressure is 35Mpa, and flow is 25g/s.
4) after mold cools down 320s, die sinking also takes out tire flap.
In the present embodiment, also cool screw in injection molding machine in described step 4, the mode of cooling screw in injection molding machine is air-cooled or water-cooled; Tire flap is put into water again after taking out and is carried out cooling normal temperature.
The foregoing is only preferred embodiment of the present invention, for the ordinary skill in the art, according to instruction of the present invention, design multi-form automobile rim strip injection molding and injecting method does not need performing creative labour, all equalizations made according to the present patent application the scope of the claims change, revise, replace and modification without departing from the principles and spirit of the present invention, all should belong to covering scope of the present invention.
Claims (10)
1. the injection molding of an automobile tire flap, comprise front cavity, rear cavity and middle template, it is characterized in that, described front cavity bottom is provided with the first core be made up of rounding frustum and the cylinder that is connected to rounding frustum lower end, described rear cavity top is provided with the second core be made up of the frustum of a cone and the cylinder that is connected to frustum of a cone upper end, be provided with the curved groove of inwall in the middle part of described middle template, described groove matches to form the die cavity for cast tire rim strip with the first core and the second core; Be provided with locating ring in the middle part of described front cavity and be installed on the sprue bush be connected in the middle part of locating ring and with the runner be opened on die joint, the described runner other end is connected with die cavity, is equipped with and draws material nail in the middle part of described rear cavity; Described front cavity, rear cavity and middle template are evenly equipped with longitudinal hole, described longitudinal hole is provided with heating rod; One side of described front cavity is also provided with middle template position-limit mechanism.
2. the injection molding of a kind of automobile tire flap according to claim 1, it is characterized in that, described die joint is evenly equipped with at least four runners, described runner comprises the first curved channel be arranged on front cavity lower surface and the second curved channel being arranged at rear cavity upper surface, described runner afterbody is provided with arc and turns portion, described arc turns portion's end and is provided with cold slug well, and arc turns radical side and is provided with the runner be connected with die cavity.
3. the injection molding of a kind of automobile tire flap according to claim 1 and 2, it is characterized in that, described middle template position-limit mechanism comprises the vertical spacing plate being connected to front cavity one side, described limiting plate offers stopper slot, in described stopper slot, wears the banking pin being equipped with and being connected with middle template.
4. the injection molding of a kind of automobile tire flap according to claim 3, it is characterized in that, described front cavity upper surface is also provided with thermal insulation board, described rear cavity lower surface is provided with base plate, described base plate lower surface is provided with the second thermal insulation board, and base plate sidepiece is also provided with and is connected with middle template and is arranged with the release link of back-moving spring.
5. the injection molding of a kind of automobile tire flap according to claim 1,2 or 4, is characterized in that, the beside of described front cavity and rear cavity is also provided with the bolt hole for installing suspension ring.
6. the injection molding of a kind of automobile tire flap according to claim 1, is characterized in that, the upper and lower end face of described middle template is also respectively arranged with the circular vent be connected with die cavity.
7. the injection molding of a kind of automobile tire flap according to claim 1, is characterized in that, the end of described heating rod is also provided with the fixed head for being connected with front cavity, rear cavity or middle template.
8. an injecting method for automobile tire flap, comprises the injection molding of a kind of automobile tire flap as claimed in claim 4, it is characterized in that, comprise the following steps:
1) make injection molding temperature keep 170 ~ 190 DEG C by heating rod, control the barrel temperature of injection machine at 75 ~ 95 DEG C simultaneously;
2) will to mix and dried plastic material adds in the barrel of injection machine, make plastic material melting;
3) in injection molding, inject the plastic material after melting by screw rod, control injection pressure, flow 20 ~ 48g/s, inject time 35 ~ 42s;
4), after cooling 280 ~ 320, die sinking also takes out tire flap.
9. the injecting method of a kind of automobile tire flap according to claim 8, is characterized in that, in described step 3, plastic cement injection process adopts syllogic injection, and one period of inject time is 5 ~ 6s, and injection pressure is 90 ~ 105Mpa, flow 36 ~ 44g/s; Two periods of inject times are 28 ~ 32s, and injection pressure is 90 ~ 105Mpa, flow 42 ~ 48g/s; Three sections inject time 2 ~ 3s, injection pressure is 55 ~ 65Mpa, flow 30 ~ 35g/s; Dwell time is 1 ~ 2s, and injection pressure is 25 ~ 35Mpa, and flow is 20 ~ 25g/s.
10. the injecting method of a kind of automobile tire flap according to claim 8 or claim 9, it is characterized in that, the mode cooling screw in injection molding machine in described step 4 is air-cooled or water-cooled; Tire flap is put into water again after taking out and is carried out cooling normal temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510291574.3A CN104859101B (en) | 2015-06-01 | 2015-06-01 | The injection molding and injecting method of a kind of automobile tire flap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510291574.3A CN104859101B (en) | 2015-06-01 | 2015-06-01 | The injection molding and injecting method of a kind of automobile tire flap |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104859101A true CN104859101A (en) | 2015-08-26 |
| CN104859101B CN104859101B (en) | 2017-05-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510291574.3A Expired - Fee Related CN104859101B (en) | 2015-06-01 | 2015-06-01 | The injection molding and injecting method of a kind of automobile tire flap |
Country Status (1)
| Country | Link |
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| CN (1) | CN104859101B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117584390A (en) * | 2024-01-18 | 2024-02-23 | 福建荣阳鞋业有限公司 | Hot runner sole forming die |
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| CN203236715U (en) * | 2013-04-17 | 2013-10-16 | 宁国市海天力工业发展有限公司 | Device for forming upper rubber layer of rubber diaphragm of automobile brake air chamber |
| CN103672095A (en) * | 2013-11-18 | 2014-03-26 | 宁波隆兴焊割科技股份有限公司 | Plastic pressure reducer and manufacturing method of plastic pressure reducer |
| CN204820211U (en) * | 2015-06-01 | 2015-12-02 | 陈友寿 | Injection mold of automobile tire flap |
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2015
- 2015-06-01 CN CN201510291574.3A patent/CN104859101B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005193385A (en) * | 2003-12-26 | 2005-07-21 | Takagi Seiko Corp | In-mold coating method and in-mold coating mold |
| CN101439575A (en) * | 2008-12-26 | 2009-05-27 | 北京东明兴业科技有限公司 | Injection molding process of thin wall plastic products |
| CN103213246A (en) * | 2013-04-17 | 2013-07-24 | 宁国市海天力工业发展有限公司 | Method and device for preparing rubber diaphragm of automobile brake chamber |
| CN203236715U (en) * | 2013-04-17 | 2013-10-16 | 宁国市海天力工业发展有限公司 | Device for forming upper rubber layer of rubber diaphragm of automobile brake air chamber |
| CN103672095A (en) * | 2013-11-18 | 2014-03-26 | 宁波隆兴焊割科技股份有限公司 | Plastic pressure reducer and manufacturing method of plastic pressure reducer |
| CN204820211U (en) * | 2015-06-01 | 2015-12-02 | 陈友寿 | Injection mold of automobile tire flap |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117584390A (en) * | 2024-01-18 | 2024-02-23 | 福建荣阳鞋业有限公司 | Hot runner sole forming die |
| CN117584390B (en) * | 2024-01-18 | 2024-04-05 | 福建荣阳鞋业有限公司 | Hot runner sole forming die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104859101B (en) | 2017-05-31 |
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