CN110667052A - Reset protection guide wedge mechanism - Google Patents
Reset protection guide wedge mechanism Download PDFInfo
- Publication number
- CN110667052A CN110667052A CN201911023462.4A CN201911023462A CN110667052A CN 110667052 A CN110667052 A CN 110667052A CN 201911023462 A CN201911023462 A CN 201911023462A CN 110667052 A CN110667052 A CN 110667052A
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- China
- Prior art keywords
- sliding block
- seat
- slider
- guide wedge
- square pin
- 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.)
- Pending
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- 238000000034 method Methods 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010104 thermoplastic forming Methods 0.000 abstract 1
- 239000004033 plastic Substances 0.000 description 6
- 229920003023 plastic Polymers 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- 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
- B29C45/2602—Mould construction elements
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Protection direction slide wedge mechanism resets belongs to thermoplastic forming die field, and the accurate resetting of slider after mainly being applied to the inserts installation guarantees that the mould slider action of resetting steadily goes on, protects mould slider life simultaneously. This mechanism utilizes spring A5's effect to impel return post 6 to exert thrust to slider seat 7, avoid the mould damage that slider seat 7 return caused, do not adopt the pin and adopt square pin 16, thereby the purpose is the leading-in area of contact of increase square pin 16 avoids the point contact pressure increase, prevent to cause the damage to the mould, the mould cost has been practiced thrift, utilize spring B17 to the effect of square pin 16, realize the leading-in direction slide wedge 3 of 16 elasticity of square pin, the mould structure has been simplified, guarantee that the mould motion process is steady to go on, and the production efficiency is improved, and the reject ratio is reduced.
Description
Technical Field
The invention belongs to the field of thermoplastic plastic forming dies, and relates to a reset protection guide wedge mechanism which is mainly applied to accurate reset of a sliding block after an insert is installed, so that the stable reset action of the sliding block of a die is ensured, and the service life of the sliding block of the die is also protected.
Background
Plastics products are used extensively in human daily life and industrial production, often can set up various inserts on plastics products in order to realize special operation requirement, plastics products's shaping and batch production rely on injection mold to realize, to the plastics products that set up side direction inserts, often install the inserts on slider mechanism for the convenience of installation and reset, slider after the installation inserts resets and becomes the difficult point of this type of mould, generally adopt the mould mechanism that the slide block return in advance back slide compresses tightly final reset, this kind of mechanism is strict to the position location requirement of manual slide block return in advance, if the manual slide block return in advance that promotes of operator has the deviation, the phenomenon that sometimes can appear returning, thereby dislocation when can causing slider and slide block contact causes the mould to bump, thereby lead to mould cost rise and reduce production efficiency.
Disclosure of Invention
The invention aims to provide a reset protection guide wedge mechanism, which realizes the reset protection of a sliding block seat by relying on the action of a spring on a reset column, ensures the stable operation of the guide wedge mechanism by utilizing the leading-in and the guiding of a square pin and ensures the smooth production of plastic products.
The invention aims to solve the technical problem of providing a reset protection guide wedge mechanism, which solves the problems existing in insert installation in the production process of a plastic product mold with an insert, ensures accurate reset of an insert installation sliding block, ensures smooth demolding of the product and meets the technical requirements and the use requirements.
The technical scheme of the invention is as follows: its structure of protection direction slide wedge mechanism resets includes: the device comprises a fixed die plate 1, a fixed die insert 2, a guide wedge 3, a stop bolt 4, a spring A5, a reset column 6, a slide block seat 7, a slide block insert 8, a slide block insert 9, a movable die plate 10, a movable die insert 11, a pressure plate 12, a wear-resisting plate 13, a ball head jackscrew 14, a baffle 15 and a square pin 16; the connection relationship is that the fixed die insert 2 is closely contacted and matched with the surface of the fixed die plate 1 and is locked and fixed by a bolt, the guide wedge 3 is in clearance fit with the movable die plate 10, the stop bolt 4 is in threaded connection and fixed with the guide wedge 3, the spring A5 is in clearance fit with the guide wedge 3, the spring A5 is in surface contact with the stop bolt 4 and the reset column 6, the reset column 6 is in surface contact and sliding fit with the guide wedge 3, the slide block insert 8 is closely contacted and matched with the surface of the slide block seat 7 and is locked and fixed by a bolt, the slide block insert 9 is closely contacted and matched with the surface of the slide block insert 8 and is connected by a hanging table, the guide wedge 3 is closely matched with the surface of the slide block seat 7 in a die assembly state, the movable die insert 11 is closely matched with the surface of the movable die plate 10 and is, the surface contact sliding fit of the slider seat 7 and the pressure plate 12 is limited by a hanging table, the surface contact clearance fit of the wear-resisting plate 13 and the movable template 10 is locked and fixed by bolts, the surface contact sliding fit of the slider seat 7 and the wear-resisting plate 13, the clearance fit of the ball head jackscrew 14 and the wear-resisting plate 13, the threaded connection and fixation of the ball head jackscrew 14 and the movable template 10, the head of the square pin 16 is provided with a fillet, the surface contact sliding fit of the square pin 16 and the slider seat 7, the surface contact clearance fit of the baffle 15 and the slider seat 7 is locked and fixed by bolts, the surface contact and limitation of the baffle 15 and the spring B17, and the surface contact of the spring B; the guide wedge 3 is provided with a fixed square platform, a central boss, a first wedging surface, a second wedging surface and a guide groove, the fixed square platform is in close contact with and limited by the fixed template 1, the central boss is arranged below the fixed square platform, the first wedging surface is arranged on the front surface of the central boss of the guide wedge 3, the second wedging surface is arranged on two sides of the guide wedge 3, the guide groove is arranged on two sides of the central boss, and the included angle between the guide groove and the horizontal plane is the same as the included angle between the square pin and the horizontal plane; the sliding block seat 7 is provided with a square pin hole, a baffle sinking platform, a third wedging surface, a fourth wedging surface, a triangular through groove and a hanging platform, the square pin hole and the baffle sinking platform are arranged at two positions and are respectively arranged at two sides of the sliding block seat 7, the third wedging surface is arranged at the back of the sliding block seat 7, the fourth wedging surface is arranged at the center of the sliding block seat 7 and is concave to the third wedging surface arranged on the sliding block seat 7, and the triangular through groove is arranged at the bottom of the sliding block seat 7; in a die assembly state, a first wedging surface arranged on the guide wedge 3 is closely matched and limited with a fourth wedging surface arranged on the sliding block seat 7, a second wedging surface arranged on the guide wedge 3 is closely matched and limited with a third wedging surface arranged on the sliding block seat 7, and the ball head jackscrew 14 is in contact with and limited by a triangular through groove surface arranged on the sliding block seat 7; the pre-resetting of the sliding block seat 7 is that the sliding block seat 7 is manually pushed to reset after the insert is installed on the sliding block insert 9, and the ball head jackscrew 14 stops and is limited when contacting a triangular through groove arranged on the sliding block seat 7; the accurate reset of the slider seat 7 is that the reset column 6 is in a popup state under the action of a spring A5 in the die closing process, the reset column 6 contacts with a fourth wedging surface arranged on the slider seat 7 and applies thrust to prevent the slider seat 7 from backing, a central boss arranged on the guide wedge 3 contacts with and applies thrust to the square pin 16, a spring B17 is compressed and the square pin 16 backs, when a guide groove arranged on the guide wedge 3 contacts with a round angle arranged on the square pin 16, the square pin 16 slides into the guide groove arranged on the guide wedge 3 under the action of the spring B17, the slider seat 7 applies reaction force to the reset column 6, the reset column 6 is enabled by a compression spring A5, a first wedging surface arranged on the guide wedge 3 is closely matched with a fourth wedging surface arranged on the slider seat 7, and a second wedging surface arranged on the guide wedge 3 is closely matched with a third wedging surface arranged on the slider seat 7, the guide wedge 3 is double-limited for the slider holder 7.
The invention has the beneficial effects that: protection direction slide wedge mechanism resets utilizes spring A5's effect to impel the return post 6 to exert thrust to slider seat 7, avoid the mould damage that slider seat 7 return caused, do not adopt the pin and adopt square pin 16, thereby the purpose is the leading-in area of contact of increase square pin 16 avoids the point contact pressure increase, prevent to cause the damage to the mould, the mould cost has been practiced thrift, utilize spring B17 to the effect of square pin 16, realize 16 leading-in direction slide wedges 3 of square pin elasticity, the mould structure has been simplified, guarantee that the mould motion process is steady to go on, and the production efficiency is improved, and the reject ratio is reduced.
Drawings
The following description is made in detail by way of example with reference to the accompanying drawings.
Fig. 1 is a first assembly schematic diagram of a reset protection guide wedge mechanism.
Fig. 2 is a schematic diagram of opening the mold of the reset protection guide wedge mechanism.
Fig. 3 is a schematic diagram of opening the mold of the reset protection guide wedge mechanism.
Fig. 4 is a fourth schematic view of the reset protection guide cam mechanism.
Fig. 5 is a fifth schematic view of the guide wedge in the reset protection guide wedge mechanism.
Fig. 6 is a six-sectional schematic view of the slider seat in the reset protection guide wedge mechanism.
In the figure: 1, fixing a template; 2, fixing the die insert; 3, guiding a wedge; 4, stopping the bolt; 5, a spring A; 6 a reset column; 7, a slider seat; 8, a slide block insert; 9, a slide block insert; 10, moving a template; 11, moving a die insert; 12, pressing a plate; 13 wear plates; 14 ball head jackscrews; 15 baffle plates; 16 square pins; 17 spring B.
Detailed Description
The following detailed description of specific embodiments of the invention is provided in connection with the accompanying drawings and the accompanying text.
When the die is assembled, the fixed die insert 2 is assembled in a cavity processed by the fixed die plate 1, a bolt penetrates through the fixed die plate 1 to lock and fix the fixed die insert 2, the reset column 6 is assembled in an inclined hole processed by the guide inclined wedge 3, the spring A5 is assembled in the inclined hole processed by the guide inclined wedge 3 and is in surface contact with the reset column 6, the stop bolt 4 is assembled in a threaded hole processed by the guide inclined wedge 3 (see figure 5), the guide inclined wedge 3, the stop bolt 4, the spring A5 and the reset column 6 are integrally assembled in a square cavity processed by the fixed die plate 1, the bolt penetrates through the guide inclined wedge 3 to lock and fix the guide inclined wedge 3 on the fixed die plate 1, the slide block insert 9 is assembled in the cavity processed by the slide block insert 8 and is limited by a hanging table, the slide block insert 8 and the slide block insert 9 are integrally assembled in a sinking table processed by the slide block seat 7, the bolt penetrates through the slide block seat 7 to lock and fix the slide, the square pin 16 is assembled in a square hole machined in the slider seat 7, the spring B17 is assembled in a counter bore behind the square pin 16, the baffle 15 is assembled in counter bores on two sides of the slider seat 7 to limit the spring B17, a bolt penetrates through the baffle 15 to be locked and fixed on the slider seat 7 (see figures 4 and 6), the movable die insert 11 is assembled in a cavity machined in the movable die plate 10, the ball head jackscrew 14 is assembled in a threaded hole machined in the movable die plate 10, the wear-resisting plate 13 is assembled in a cavity machined in the movable die plate 10, the bolt penetrates through the wear-resisting plate 13 to lock and fix the slide seat 7 and the slider insert 8, the pressure plates 12 are assembled on two sides of the slider seat 7 and are in limited sliding fit by the hanging tables, and the bolt penetrates through the pressure plates 12 to lock and fix the slide seat 7 (see figures 1 and 3).
The motion process of the reset protection guide wedge mechanism is as follows: the assembled fixed die part and movable die part of the die are in a die opening state, the fixed die part is assembled in the reset column 6 on the guide wedge 3 under the action of a spring A5 and is in a pop-up state, an operator of the movable die part sequentially assembles inserts in insert installing grooves processed on the slide block insert 9, the operator pushes the slide block seat 7 to reset in advance, when a ball head jackscrew 14 contacts a triangular through groove arranged on the slide block seat 7, the resetting action is finished (see figure 3), the fixed die part and the movable die part of the die move in opposite directions, the reset column 6 firstly contacts a fourth wedging surface arranged on the slide block seat 7 and applies thrust to the fourth wedging surface to ensure the position of the slide block seat 7 to prevent the slide block seat from returning, then a central boss arranged on the guide wedge 3 contacts a square pin 16 assembled on the slide block seat 7 and simultaneously pushes the square pin 16 to return, at the moment, a spring B17 is compressed, when the edge of a guide groove arranged on the guide wedge 3 contacts a fillet arranged on the head of the square, under the action of the spring B17, the pin 16 slides into a guide groove formed in the guide wedge 3 and guides the guide wedge, meanwhile, the slider seat 7 applies a reaction force to the reset column 6, the reset column 6 performs reset motion, the spring A5 is compressed at the moment, the fixed mold part and the movable mold part continue to be close to each other, a first wedge surface arranged on the guide wedge 3 is tightly matched with a fourth wedge surface arranged on the slider seat 7, a second wedge surface arranged on the guide wedge 3 is tightly matched with a third wedge surface arranged on the slider seat 7, and the mold closing process is finished (see fig. 1 and 3).
The foregoing is directed to the preferred embodiment of the present invention, and it is understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (1)
1. Protection direction slide wedge mechanism resets, and its characterized in that structure includes: the device comprises a fixed die plate (1), a fixed die insert (2), a guide wedge (3), a stop bolt (4), a spring A (5), a reset column (6), a slide block seat (7), a slide block insert (8), a slide block insert (9), a movable die plate (10), a movable die insert (11), a pressure plate (12), a wear-resisting plate (13), a ball head jackscrew (14), a baffle plate (15) and a square pin (16); the connection relationship is that a guide wedge (3) is in surface contact and close fit with a fixed template (1) and is locked and fixed by a bolt, a stop bolt (4) is in threaded connection and fixed with the guide wedge (3), a spring A (5) is in clearance fit with the guide wedge (3), the spring A (5) is in surface contact with the stop bolt (4) and a reset column (6), the reset column (6) is in surface contact and sliding fit with the guide wedge (3), a slider insert (8) is in surface contact and close fit with a slider seat (7) and is locked and fixed by a bolt, a slider insert (9) is in surface contact and close fit with the slider insert (8) and is connected by a hanging table, the slider seat (7) is in surface contact and sliding fit with a pressure plate (12) and is limited by the hanging table, the slider seat (7) is in surface contact and sliding fit with an abrasion-resisting plate (13), a ball head jackscrew (14) is in threaded connection and fixed with a movable template (10), the head of a square pin, the square pin (16) is in surface contact sliding fit with the sliding block seat (7), the baffle (15) is in surface contact clearance fit with the sliding block seat (7) and is locked and fixed by a bolt, the baffle (15) is in surface contact with the spring B (17) and is limited, and the spring B (17) is in surface contact with the square pin (16); the guide wedge (3) is provided with a fixed square platform, a central boss, a first wedging surface, a second wedging surface and a guide groove, the fixed square platform is in surface contact with the fixed template (1) to be tightly matched and limited, the central boss is arranged below the fixed square platform, the first wedging surface is arranged on the front surface of the central boss of the guide wedge (3), the second wedging surface is arranged on two sides of the guide wedge (3), the guide groove is arranged on two sides of the central boss, and the included angle between the guide groove and the horizontal plane is the same as the included angle between the square pin and the horizontal plane; the sliding block seat (7) is provided with a square pin hole, a baffle sinking platform, a third wedging surface, a fourth wedging surface, a triangular through groove and a hanging platform, the square pin hole and the baffle sinking platform are arranged at two positions and are respectively arranged at two sides of the sliding block seat (7), the third wedging surface is arranged at the back of the sliding block seat (7), the fourth wedging surface is arranged at the center of the sliding block seat (7) and is concave to the third wedging surface arranged on the sliding block seat (7), and the triangular through groove is arranged at the bottom of the sliding block seat (7); in a die assembly state, a first wedging surface arranged on the guide wedge (3) is closely matched with a fourth wedging surface arranged on the sliding block seat (7) and is limited, a second wedging surface arranged on the guide wedge (3) is closely matched with a third wedging surface arranged on the sliding block seat (7) and is limited, and the ball head jackscrew (14) is in contact with and is limited by a triangular through groove surface arranged on the sliding block seat (7); the pre-resetting of the sliding block seat (7) is realized by that the sliding block seat (7) is manually pushed to reset after the insert is installed on the sliding block insert (9), and the ball head jackscrew (14) stops and is limited when contacting a triangular through groove arranged on the sliding block seat (7); the accurate resetting of the slider seat (7) is that the resetting column (6) is in a popping state under the action of a spring A (5) in the die closing process, the resetting column (6) contacts with a fourth wedging surface arranged on the slider seat (7) and applies thrust to prevent the slider seat (7) from returning, a central boss arranged on the guide wedge (3) contacts with and applies the thrust to a square pin (16), a spring B (17) is compressed and the square pin (16) returns, when a guide groove arranged on the guide wedge (3) contacts with a round angle arranged on the square pin (16), the square pin (16) slides into the guide groove arranged on the guide wedge (3) under the action of the spring B (17), the slider seat (7) applies reaction force to the resetting column (6), the spring A (5) is compressed to reset the resetting column (6), a first wedging surface arranged on the guide wedge (3) is closely matched with the fourth wedging surface arranged on the slider seat (7), meanwhile, a second wedging surface arranged on the guide wedge (3) is tightly matched with a third wedging surface arranged on the sliding block seat (7), and the guide wedge (3) is double-limited for the sliding block seat (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911023462.4A CN110667052A (en) | 2019-10-25 | 2019-10-25 | Reset protection guide wedge mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911023462.4A CN110667052A (en) | 2019-10-25 | 2019-10-25 | Reset protection guide wedge mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110667052A true CN110667052A (en) | 2020-01-10 |
Family
ID=69084323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911023462.4A Pending CN110667052A (en) | 2019-10-25 | 2019-10-25 | Reset protection guide wedge mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110667052A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622183A (en) * | 2020-12-05 | 2021-04-09 | 勇气模具塑胶(苏州)有限公司 | Door frame forming die and forming process thereof |
| CN114228062A (en) * | 2021-12-31 | 2022-03-25 | 大连銮艺精密模塑制造有限公司 | Mould with controllable multi-direction sliding mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007008113A (en) * | 2005-07-04 | 2007-01-18 | Mitsubishi Electric Corp | Refrigerator door inner plate, molding die device for refrigerator door inner plate, and molding method for refrigerator door inner plate |
| WO2012065410A1 (en) * | 2010-11-19 | 2012-05-24 | 青岛诺义信模具部件有限公司 | Multi-functional assembling wedge |
| CN103640192A (en) * | 2013-12-29 | 2014-03-19 | 大连銮艺精密模塑制造有限公司 | Automobile sensor mold |
| CN106182632A (en) * | 2016-08-27 | 2016-12-07 | 大连銮艺精密模塑制造有限公司 | Utilize the mould of buckle core-pulling mechanism molding |
| CN206561563U (en) * | 2017-01-23 | 2017-10-17 | 上海诚烨汽车零部件股份有限公司 | A kind of plastics plaque injection mold side slide mechanism |
| CN210969763U (en) * | 2019-10-25 | 2020-07-10 | 大连銮艺精密模塑制造有限公司 | Reset protection guide wedge mechanism |
-
2019
- 2019-10-25 CN CN201911023462.4A patent/CN110667052A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007008113A (en) * | 2005-07-04 | 2007-01-18 | Mitsubishi Electric Corp | Refrigerator door inner plate, molding die device for refrigerator door inner plate, and molding method for refrigerator door inner plate |
| WO2012065410A1 (en) * | 2010-11-19 | 2012-05-24 | 青岛诺义信模具部件有限公司 | Multi-functional assembling wedge |
| CN103640192A (en) * | 2013-12-29 | 2014-03-19 | 大连銮艺精密模塑制造有限公司 | Automobile sensor mold |
| CN106182632A (en) * | 2016-08-27 | 2016-12-07 | 大连銮艺精密模塑制造有限公司 | Utilize the mould of buckle core-pulling mechanism molding |
| CN206561563U (en) * | 2017-01-23 | 2017-10-17 | 上海诚烨汽车零部件股份有限公司 | A kind of plastics plaque injection mold side slide mechanism |
| CN210969763U (en) * | 2019-10-25 | 2020-07-10 | 大连銮艺精密模塑制造有限公司 | Reset protection guide wedge mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112622183A (en) * | 2020-12-05 | 2021-04-09 | 勇气模具塑胶(苏州)有限公司 | Door frame forming die and forming process thereof |
| CN112622183B (en) * | 2020-12-05 | 2022-05-03 | 勇气模具塑胶(苏州)有限公司 | Door frame forming die and forming process thereof |
| CN114228062A (en) * | 2021-12-31 | 2022-03-25 | 大连銮艺精密模塑制造有限公司 | Mould with controllable multi-direction sliding mechanism |
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Country or region after: China Address after: 116600 No.3 Tianhua Road, Dalian Development Zone, Liaoning Province Applicant after: Dalian Luanyi Precision Technology Co.,Ltd. Address before: 116600 No.3 Tianhua Road, Dalian Development Zone, Liaoning Province Applicant before: DALIAN LUANYI PRECISION ENGINEERING Co.,Ltd. Country or region before: China |