CN110587929B - Automatic thread-removing mechanism for high-molecular polymer material and use method thereof - Google Patents
Automatic thread-removing mechanism for high-molecular polymer material and use method thereof Download PDFInfo
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- CN110587929B CN110587929B CN201911013953.0A CN201911013953A CN110587929B CN 110587929 B CN110587929 B CN 110587929B CN 201911013953 A CN201911013953 A CN 201911013953A CN 110587929 B CN110587929 B CN 110587929B
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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
- B29C45/2618—Moulds having screw-threaded mould walls
- B29C45/262—Moulds having screw-threaded mould walls provided with unscrewing drive means
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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
- B29C45/36—Moulds having means for locating or centering cores
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2001/00—Articles provided with screw threads
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of injection molding, and discloses an automatic thread removing mechanism of a high polymer material, which comprises a bottom plate, wherein guide posts are fixedly connected to the left side and the right side of the inner wall of the bottom plate, sliding plates are slidably connected to the surfaces of the guide posts and the inner wall of the bottom plate, an electric push rod is fixedly connected to the upper surface of each sliding plate, a first fixing plate is fixedly connected to the upper surface of each electric push rod, and a driving mechanism is fixedly connected to the upper surface of each first fixing plate. According to the automatic thread removing mechanism, the rotating shaft and the thread cores are fixed together through the limiting blocks and the connecting blocks, so that the rotating shaft can be fixed with thread cores of different types, meanwhile, the positions of the thread cores are adjusted through the electric push rod, so that the thread cores of different types can be placed between the lower die and the upper die matched with the thread cores, and the automatic thread removing mechanism can be matched with the thread cores of different types, the lower die and the upper die for use together, and is wide in application range.
Description
Technical Field
The invention relates to the technical field of injection molding, in particular to an automatic thread-removing mechanism of a high polymer material and a use method thereof.
Background
At present, high polymer materials are mostly processed into finished products with certain shapes in an injection molding mode, when screw holes are needed to be manufactured, threaded cores are needed to be placed in an injection mold, after injection molding is completed, the threaded cores are separated from the finished products, and then internal threads are processed. Because threaded finished product and screw thread core are in screw-fit's state, so when taking off the screw thread, will take off screw thread mechanism and screw thread core automatically fix together, drive screw thread core through the motor on taking off screw thread mechanism automatically and rotate, and then deviate from screw thread core in the finished product, but current automatic screw thread mechanism that takes off, mostly can only fix screw thread core of one type, can't change the screw thread core of different types as required, lead to automatic screw thread mechanism application scope less, inconvenient use.
Disclosure of Invention
The invention aims to solve the defects existing in the prior art, such as: most of existing automatic thread removing mechanisms can only fix one type of thread core, and cannot replace thread cores of different types according to needs, so that the application range of the automatic thread removing mechanism is smaller, the use is inconvenient, and the automatic thread removing mechanism for the high polymer material and the use method of the automatic thread removing mechanism are provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides an automatic thread release mechanism of macromolecular polymer material, includes the bottom plate, the equal fixedly connected with guide post in the left and right sides of bottom plate inner wall, the equal sliding connection of the surface of guide post and the inner wall of bottom plate has the slide, the last fixed surface of slide is connected with electric putter, electric putter's last fixed surface is connected with first fixed plate, the last fixed surface of first fixed plate is connected with actuating mechanism.
The upper surface fixedly connected with support column of bottom plate, the upper surface fixedly connected with second fixed plate of support column, the second fixed plate is located the right side of first fixed plate, the upper surface of second fixed plate passes through bolt fixedly connected with bed die, the upper surface of bed die is provided with the mould, and bed die and last mould mutually support, the inside of bed die and the inside of last mould all are provided with the screw thread core.
The left side fixedly connected with connecting block of screw thread core, the spread groove has been seted up on actuating mechanism's right side, the inner wall sliding connection of surface and spread groove of connecting block, the spacing groove has been seted up on the surface of screw thread core, the inner wall sliding connection of spacing groove has stop gear, stop gear's bottom and the last fixed surface of first fixed plate are connected.
Preferably, the driving mechanism comprises a driving motor, the bottom of the driving motor is fixedly connected with the upper surface of the first fixing plate, the output end of the driving motor is fixedly connected with a rotating shaft through a coupler, and the connecting groove is formed in the right side of the rotating shaft.
Preferably, the stop gear includes the spliced pole, the spliced pole is located the below of screw thread core, the equal fixedly connected with supporting shoe of both sides around the spliced pole, the bottom of supporting shoe and the last fixed surface of first fixed plate are connected, the surface sliding connection of spliced pole has the stopper, the inner wall threaded connection of stopper has double-end screw rod, double-end screw rod is located the top of screw thread core, the surface of double-end screw rod passes through the inner wall fixed connection of bearing and supporting shoe, double-end screw rod's fixed surface has the handle cover, the arc wall has been seted up to one side that the stopper is close to the screw thread core, the inner wall of arc wall and the surface of stopper all with the inner wall sliding connection of spacing groove.
Preferably, the center of the rotating shaft, the center of the threaded core and the center of the connecting block are all on the same horizontal line.
Preferably, the upper surface fixedly connected with iron plate of slide, the upper surface fixedly connected with guide block of bottom plate, the inner wall sliding connection of guide block has the traveller, the surface of traveller has cup jointed the spring, the left side of spring and the right side fixedly connected with dog of guide block, the right side of spring and the right side of traveller all fixedly connected with dog, the left side fixedly connected with first installation piece of traveller, the left side fixedly connected with electro-magnet of first installation piece, the left side and the right side contact of iron plate of electro-magnet, the upper surface fixedly connected with second installation piece of bottom plate, the inner wall fixedly connected with proximity switch of second installation piece, proximity switch and driving motor electricity are connected.
Preferably, the proximity switch is located on the right side of the stop block, and the left side of the proximity switch is an induction end.
Preferably, the inner wall of the connecting block is connected with a positioning block in a sliding manner, and the left side of the positioning block is fixedly connected with the left side of the inner wall of the connecting groove.
The application method of the automatic thread-removing mechanism for the high-molecular polymer material is characterized by comprising the following steps of:
s1, injection molding: pushing the first fixing plate, inserting the threaded core between the upper die and the lower die, opening the electromagnet, sucking the iron block through the electromagnet, fixing the sliding plate, then throwing the high polymer material into the upper die and the lower die through the feeding port on the upper die, and obtaining an injection molding product after the high polymer material is solidified.
S2, thread removal: closing the electromagnet, enabling the attraction force of the electromagnet to the iron block to disappear, enabling the spring to push the stop block to be in contact with the proximity switch, then opening the driving motor through the proximity switch, enabling the threaded mold core to rotate, at the moment, moving the threaded mold core out of the injection molding product under the action of threads, and after the threaded mold core is completely moved out, separating the upper mold from the lower mold, and taking out the injection molding product.
S3, disassembling the threaded core and the lower die: the double-headed screw is rotated, the front limiting block and the rear limiting block are moved out of the limiting groove, the threaded mold core is separated from the rotating shaft, and then the bolts are rotated to separate the lower mold from the first fixing plate.
S4, installing a new threaded core: firstly, fixing a connecting block on a threaded core, arranging a limit groove on the threaded core, then inserting the connecting block into the connecting groove, enabling a rotating shaft to rotate together with the threaded core under the cooperation of the connecting block and the connecting groove, and then, rotating a double-head screw to enable a limiting block to be inserted into the limit groove, and enabling the rotating shaft to be fixed with the threaded core through the limiting block to limit the threaded core.
S5, installing new upper and lower dies: and placing the lower die on the second fixing plate, fixing the lower die and the second fixing plate together through bolts, and then placing the upper die on the lower die to finish the installation.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, threads are arranged on the front side and the rear side of the surface of the double-ended screw rod through the driving mechanism, the connecting block, the connecting groove, the limiting mechanism and the electric push rod, the thread directions are opposite, when the threaded core is replaced, the double-ended screw rod is rotated, the front limiting block and the rear limiting block are moved out of the limiting groove, the original threaded core and the rotating shaft are separated, when threaded cores of different types are installed, the connecting block is fixed on the threaded core, the limiting groove is formed in the threaded core, then the connecting block is inserted into the connecting groove, at the moment, the rotating shaft and the threaded core are rotated together under the cooperation of the connecting block and the connecting groove, then the double-ended screw rod is rotated, the limiting block is used for limiting the threaded core, the rotating shaft and the threaded core are fixed together, the rotating shaft can be fixed with the threaded cores of different types, meanwhile, the electric push rod is used for adjusting the positions of the threaded cores of different types can be placed between the lower die and the upper die matched with the threaded core, and the automatic thread removing mechanism can be matched with the threaded cores of different types, the lower die and the upper die.
(2) According to the invention, the electromagnet and the iron block are arranged, before injection molding, the electromagnet is opened, the iron block is sucked by the electromagnet, and the sliding plate is further fixed, so that the problem that if a threaded core shakes during injection molding, the internal threads of an injection molded product are easy to deform, and the quality of the processed injection molded product is poor is prevented.
(3) According to the invention, the spring, the stop block and the proximity switch are arranged, when the electromagnet is in thread removal, the attraction force of the electromagnet to the iron block is eliminated, the stop block is pushed by the spring at the moment, the stop block is contacted with the proximity switch, then the driving motor is opened through the proximity switch, the operation is simple and convenient, and the use by a user is convenient, meanwhile, when the electromagnet is in thread removal, if the electromagnet is not closed, the sliding plate cannot move, and at the moment, if the driving motor is directly opened, the internal thread of an injection molding product is easily damaged.
(4) According to the invention, the positioning block is arranged, and the connecting block is sleeved on the positioning block when the threaded core is installed, so that the positioning block plays a role in positioning the threaded core, the axis of the threaded core and the center of the arc-shaped groove are in the same horizontal plane, and a user can conveniently clamp the threaded core between the front limiting block and the rear limiting block.
Drawings
FIG. 1 is a schematic illustration of the structure of the present invention;
FIG. 2 is an enlarged view of the invention at A in FIG. 1;
FIG. 3 is a cross-sectional view taken at B-B of FIG. 1 in accordance with the present invention;
FIG. 4 is a side view of the structure of the present invention;
FIG. 5 is a front view of the base plate of the present invention;
FIG. 6 is a side view of the shaft of the present invention;
FIG. 7 is a side view of the stop block of the present invention;
fig. 8 is a front view of a threaded mandrel of the present invention.
In the figure: 1. a bottom plate; 2. a guide post; 3. a slide plate; 4. an electric push rod; 5. a first fixing plate; 6. a driving mechanism; 61. a driving motor; 62. a rotating shaft; 7. a support column; 8. a second fixing plate; 9. a lower die; 10. an upper die; 11. a threaded core; 12. a connecting block; 13. a connecting groove; 14. a limit groove; 15. a limiting mechanism; 151. a connecting column; 152. a support block; 153. a limiting block; 154. a double-ended screw; 155. a handle sleeve; 156. an arc-shaped groove; 16. iron blocks; 17. a guide block; 18. a spool; 19. a spring; 20. a stop block; 21. a first mounting block; 22. an electromagnet; 23. a second mounting block; 24. a proximity switch; 25. and (5) positioning blocks.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-8, an automatic thread removing mechanism of high polymer material comprises a base plate 1, wherein guide posts 2 are fixedly connected to the left side and the right side of the inner wall of the base plate 1, sliding plates 3 are slidably connected to the surfaces of the guide posts 2 and the inner wall of the base plate 1, the guide posts 2 play a role in guiding and limiting the sliding plates 3, an electric push rod 4 is fixedly connected to the upper surface of the sliding plates 3, a first fixing plate 5 is fixedly connected to the upper surface of the electric push rod 4, the first fixing plate 5 is controlled to move up and down through the electric push rod 4, and a driving mechanism 6 is fixedly connected to the upper surface of the first fixing plate 5.
The upper surface fixedly connected with support column 7 of bottom plate 1, the upper surface fixedly connected with second fixed plate 8 of support column 7, second fixed plate 8 are located the right side of first fixed plate 5, and the upper surface of second fixed plate 8 passes through bolt fixedly connected with bed die 9, and the upper surface of bed die 9 is provided with mould 10, and bed die 9 and last mould 10 mutually support, and the inside of bed die 9 and the inside of last mould 10 all are provided with screw thread core 11.
The left side fixedly connected with connecting block 12 of screw core 11, spread groove 13 has been seted up on the right side of actuating mechanism 6, the inner wall sliding connection of surface and spread groove 13 of connecting block 12, connecting block 12 is regular quadrangular piece, insert the connecting block 12 in the spread groove 13 after, make connecting block 12 follow actuating mechanism 6 and rotate together, the inner wall sliding connection of connecting block 12 has locating piece 25, the left side of locating piece 25 and the inner wall left side fixed connection of spread groove 13, locating piece 25 plays the positioning action to connecting block 12, spacing groove 14 has been seted up on the surface of screw core 11, spacing groove 14 is to the ring channel, the inner wall sliding connection of spacing groove 14 has stop gear 15, the bottom of stop gear 15 and the upper surface fixed connection of first fixed plate 5.
The driving mechanism 6 comprises a driving motor 61, the bottom of the driving motor 61 is fixedly connected with the upper surface of the first fixing plate 5, the output end of the driving motor 61 is fixedly connected with a rotating shaft 62 through a coupler, the connecting groove 13 is arranged on the right side of the rotating shaft 62, and the center of the rotating shaft 62, the center of the threaded core 11 and the center of the connecting block 12 are all on the same horizontal line.
The stop gear 15 includes spliced pole 151, spliced pole 151 is located the below of screw mandrel 11, the equal fixedly connected with supporting shoe 152 of both sides around the spliced pole 151, the bottom of supporting shoe 152 and the upper surface fixed connection of first fixed plate 5, the surface sliding connection of spliced pole 151 has stopper 153, the inner wall threaded connection of stopper 153 has double-end screw 154, double-end screw 154 is located the top of screw mandrel 11, the surface of double-end screw 154 passes through bearing and the inner wall fixed connection of supporting shoe 152, the surface fixed connection of double-end screw 154 has handle cover 155, arc wall 156 has been seted up to one side that the stopper 153 is close to screw mandrel 11, the inner wall of arc wall 156 and the surface of stopper 153 all with the inner wall sliding connection of spacing groove 14.
The upper surface fixedly connected with iron plate 16 of slide 3, the upper surface fixedly connected with guide block 17 of bottom plate 1, the inner wall sliding connection of guide block 17 has slide post 18, the surface of slide post 18 has cup jointed spring 19, the left side of spring 19 and the right side fixedly connected with dog 20 of guide block 17, the right side of spring 19 and the right side of slide post 18 all fixedly connected with first installation piece 21 of left side fixedly connected with of slide post 18, the left side fixedly connected with electro-magnet 22 of first installation piece 21, the left side of electro-magnet 22 contacts with the right side of iron plate 16, the upper surface fixedly connected with second installation piece 23 of bottom plate 1, the inner wall fixedly connected with proximity switch 24 of second installation piece 23, proximity switch 24 is connected with driving motor 61 electricity, proximity switch 24 is located the right side of dog 20, and proximity switch 24's left side is the sensing end.
The application method of the automatic thread-removing mechanism of the high polymer material comprises the following steps:
s1, injection molding: pushing the first fixing plate 5, inserting the threaded core 11 between the upper die 10 and the lower die 9, opening the electromagnet 22, sucking the iron block 16 through the electromagnet 22, fixing the sliding plate 3, then throwing the high polymer material into the upper die 10 and the lower die 9 through the feeding hole on the upper die 10, and obtaining an injection molding product after the high polymer material is solidified.
S2, thread removal: closing electromagnet 22 to make the suction force of electromagnet 22 to iron block 16 disappear, at this time, spring 19 pushes stop block 20 to make stop block 20 contact with proximity switch 24, then driving motor 61 is turned on by proximity switch 24 to make threaded core 11 rotate, at this time, under the action of screw thread, threaded core 11 is moved out from the injection molding product, after threaded core 11 is completely moved out, upper die 10 is separated from lower die 9, and the injection molding product is taken out.
S3, disassembling the threaded core 11 and the lower die 9: the double-headed screw 154 is rotated to move the front and rear stoppers 153 out of the stopper grooves 14, thereby separating the threaded cores 11 from the rotating shaft 62, and then the bolts are rotated to separate the lower mold 9 from the first fixing plate 5.
S4, installing a new threaded core 11: the connecting block 12 is fixed on the threaded core 11, the threaded core 11 is provided with a limiting groove 14, then the connecting block 12 is inserted into the connecting groove 13, at the moment, the rotating shaft 62 and the threaded core 11 rotate together under the cooperation of the connecting block 12 and the connecting groove 13, then the double-headed screw 154 is rotated, the limiting block 153 is inserted into the limiting groove 14, the threaded core 11 is limited through the limiting block 153, and the rotating shaft 62 and the threaded core 11 are fixed together.
S5, installing new upper die 10 and lower die 9: the lower mold 9 is placed on the second fixing plate 8, then the lower mold 9 and the second fixing plate 8 are fixed together by bolts, and then the upper mold 10 is placed on the lower mold 9, completing the installation.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (4)
1. The utility model provides an automatic thread release mechanism of macromolecular polymer material, includes bottom plate (1), its characterized in that, the left and right sides of bottom plate (1) inner wall is all fixedly connected with guide post (2), the equal sliding connection of surface of guide post (2) and bottom plate (1) inner wall has slide (3), the upper surface fixedly connected with electric putter (4) of slide (3), the upper surface fixedly connected with first fixed plate (5) of electric putter (4), the upper surface fixedly connected with actuating mechanism (6) of first fixed plate (5);
the upper surface of the bottom plate (1) is fixedly connected with a support column (7), the upper surface of the support column (7) is fixedly connected with a second fixing plate (8), the second fixing plate (8) is positioned on the right side of the first fixing plate (5), the upper surface of the second fixing plate (8) is fixedly connected with a lower die (9) through bolts, the upper surface of the lower die (9) is provided with an upper die (10), the lower die (9) is matched with the upper die (10), and threaded cores (11) are arranged in the lower die (9) and the upper die (10);
the left side of the threaded core (11) is fixedly connected with a connecting block (12), the right side of the driving mechanism (6) is provided with a connecting groove (13), the surface of the connecting block (12) is in sliding connection with the inner wall of the connecting groove (13), the surface of the threaded core (11) is provided with a limit groove (14), the inner wall of the limit groove (14) is in sliding connection with a limit mechanism (15), and the bottom of the limit mechanism (15) is fixedly connected with the upper surface of the first fixed plate (5);
the driving mechanism (6) comprises a driving motor (61), the bottom of the driving motor (61) is fixedly connected with the upper surface of the first fixed plate (5), the output end of the driving motor (61) is fixedly connected with a rotating shaft (62) through a coupler, and the connecting groove (13) is arranged on the right side of the rotating shaft (62);
the limiting mechanism (15) comprises a connecting column (151), the connecting column (151) is located below the threaded core (11), supporting blocks (152) are fixedly connected to the front side and the rear side of the connecting column (151), the bottom of each supporting block (152) is fixedly connected with the upper surface of a first fixing plate (5), a limiting block (153) is slidably connected to the surface of the connecting column (151), a double-head screw (154) is connected to the inner wall of each limiting block (153) in a threaded mode, the double-head screw (154) is located above the threaded core (11), the surface of each double-head screw (154) is fixedly connected with the inner wall of each supporting block (152) through a bearing, a handle sleeve (155) is fixedly connected to the surface of each double-head screw (154), an arc-shaped groove (156) is formed in one side, close to the threaded core (11), and the inner wall of each arc-shaped groove (156) and the surface of each limiting block (153) are slidably connected with the inner wall of each limiting block (14);
the center of the rotating shaft (62), the center of the threaded core (11) and the center of the connecting block (12) are all on the same horizontal line;
the upper surface fixedly connected with iron plate (16) of slide (3), the upper surface fixedly connected with guide block (17) of bottom plate (1), the inner wall sliding connection of guide block (17) has traveller (18), spring (19) have been cup jointed on the surface of traveller (18), the left side of spring (19) and the right side fixedly connected with dog (20) of guide block (17), the right side of spring (19) and the right side of traveller (18) all fixedly connected with dog (20), the left side fixedly connected with first installation piece (21) of traveller (18), the left side fixedly connected with electro-magnet (22) of first installation piece (21), the left side of electro-magnet (22) and the right side contact of iron plate (16), the upper surface fixedly connected with second installation piece (23) of bottom plate (1), the inner wall fixedly connected with proximity switch (24) of second installation piece (23), proximity switch (24) are connected with driving motor (61) electricity.
2. The automatic thread-removing mechanism of a high molecular polymer material according to claim 1, wherein the proximity switch (24) is located on the right side of the stopper (20), and the left side of the proximity switch (24) is a sensing end.
3. The automatic thread-removing mechanism of high molecular polymer material according to claim 1, wherein the inner wall of the connecting block (12) is slidably connected with a positioning block (25), and the left side of the positioning block (25) is fixedly connected with the left side of the inner wall of the connecting groove (13).
4. An automatic thread-removing mechanism for high molecular polymer material according to claim 1, comprising the steps of:
s1, injection molding: pushing a first fixing plate (5), inserting a threaded core (11) between an upper die (10) and a lower die (9), opening an electromagnet (22), sucking an iron block (16) through the electromagnet (22), fixing a sliding plate (3), then throwing a high polymer material into the upper die (10) and the lower die (9) through a feed inlet on the upper die (10), and obtaining an injection molding product after the high polymer material is solidified;
s2, thread removal: closing the electromagnet (22) to enable the suction force of the electromagnet (22) to the iron block (16) to disappear, pushing the stop block (20) by the spring (19) at the moment, enabling the stop block (20) to be in contact with the proximity switch (24), opening the driving motor (61) through the proximity switch (24) to enable the threaded core (11) to rotate, at the moment, moving the threaded core (11) out of an injection molding product under the action of threads, separating the upper die (10) from the lower die (9) after the threaded core (11) is completely moved out, and taking out the injection molding product;
s3, disassembling the threaded core (11) and the lower die (9): rotating the double-headed screw (154) to enable the front limit block and the rear limit block (153) to move out of the limit groove (14), further separating the threaded core (11) from the rotating shaft (62), and then rotating the bolt to separate the lower die (9) from the first fixing plate (5);
s4, installing a new threaded core (11): firstly, fixing a connecting block (12) on a threaded core (11), forming a limit groove (14) on the threaded core (11), then inserting the connecting block (12) into a connecting groove (13), enabling a rotating shaft (62) to rotate together with the threaded core (11) under the cooperation of the connecting block (12) and the connecting groove (13), and then rotating a double-head screw (154) to enable a limit block (153) to be inserted into the limit groove (14), and enabling the limit block (153) to limit the threaded core (11) to enable the rotating shaft (62) to be fixed with the threaded core (11);
s5, installing a new upper die (10) and a new lower die (9): the lower die (9) is placed on the second fixing plate (8), then the lower die (9) and the second fixing plate (8) are fixed together through bolts, and then the upper die (10) is placed on the lower die (9), so that installation is completed.
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| CN201910990098 | 2019-10-17 | ||
| CN2019109900982 | 2019-10-17 |
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| CN110587929B true CN110587929B (en) | 2023-08-08 |
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| CN112829212A (en) * | 2021-01-06 | 2021-05-25 | 天津精利达精密模具有限公司 | Thread demoulding mechanism |
| CN114226684B (en) * | 2021-12-22 | 2023-07-14 | 深圳市超盛金属制品有限公司 | Die casting die spiral mechanism of loosing core |
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| CN110587929A (en) | 2019-12-20 |
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