CN110587929A - Automatic thread removing mechanism for high-molecular polymer material and using method thereof - Google Patents

Automatic thread removing mechanism for high-molecular polymer material and using method thereof Download PDF

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Publication number
CN110587929A
CN110587929A CN201911013953.0A CN201911013953A CN110587929A CN 110587929 A CN110587929 A CN 110587929A CN 201911013953 A CN201911013953 A CN 201911013953A CN 110587929 A CN110587929 A CN 110587929A
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Prior art keywords
fixedly connected
block
threaded
core
wall
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CN201911013953.0A
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CN110587929B (en
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陈红方
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NINGBO WANSHENG INDUSTRIAL Co Ltd
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NINGBO WANSHENG INDUSTRIAL Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/2618Moulds having screw-threaded mould walls
    • B29C45/262Moulds having screw-threaded mould walls provided with unscrewing drive means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/36Moulds having means for locating or centering cores
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2001/00Articles 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 for high polymer materials, which comprises a bottom plate, wherein the left side and the right side of the inner wall of the bottom plate are fixedly connected with guide posts, the surfaces of the guide posts and the inner wall of the bottom plate are both connected with sliding plates in a sliding manner, the upper surface of each sliding plate is fixedly connected with an electric push rod, the upper surface of each electric push rod is fixedly connected with a first fixing plate, and the upper surface of each first fixing plate is fixedly connected with a driving mechanism. 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 together with the thread cores of different models, meanwhile, the positions of the thread cores are adjusted through the electric push rod, so that the thread cores of different models 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 models, the lower die and the upper die to be used together, and the application range is wide.

Description

Automatic thread removing mechanism for high-molecular polymer material and using method thereof
Technical Field
The invention relates to the technical field of injection molding, in particular to an automatic thread removing mechanism for a high polymer material and a using method thereof.
Background
At present, most of high polymer materials are processed into finished products with certain shapes in an injection molding mode, when screw holes need to be manufactured, a threaded core needs to be placed in an injection mold, and after injection molding is completed, the threaded core is separated from the finished products, so that internal threads are processed. Because threaded finished product and screw core are in screw-thread fit's state, so when taking off the screw thread, will take off automatically that screw mechanism and screw core are fixed together, take off the motor on the screw mechanism through automatic and drive screw core and rotate, and then deviate from screw core from the finished product, but screw mechanism is taken off in current automation, can only fix a type screw core mostly, can't change the screw core of different models as required, lead to taking off automatically that screw mechanism application scope is less, it is inconvenient to use.
Disclosure of Invention
The invention aims to solve the defects in the prior art, such as: the existing automatic thread-removing mechanism can only fix a type of thread core mostly, and the thread cores of different types cannot be replaced as required, so that the application range of the automatic thread-removing mechanism is small, and the use is inconvenient.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a screw thread mechanism is taken off in automation of high molecular 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 the bed die is mutually supported with last mould, the inside of bed die and the inside of last mould all are provided with the screw core.
The left side fixedly connected with connecting block of screw core, the spread groove has been seted up on actuating mechanism's right side, the surface of connecting block and the inner wall sliding connection of spread groove, the spacing groove has been seted up on screw core's surface, 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, stop gear includes the spliced pole, the spliced pole is located the below of screw core, the equal fixedly connected with supporting shoe in both sides around the spliced pole, the bottom of supporting shoe and the last fixed surface of first fixed plate are connected, the sliding surface of spliced pole is connected with the stopper, the inner wall threaded connection of stopper has double threaded screw, double threaded screw is located the top of screw core, the inner wall fixed connection of bearing and supporting shoe is passed through on double threaded screw's surface, double threaded screw's fixed surface is connected with gloves, the arc wall has been seted up to one side that the stopper is close to screw 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 last fixed surface of slide is connected with the iron plate, the last fixed surface of bottom plate is connected with the guide block, the inner wall sliding connection of guide block has the traveller, the spring has been cup jointed on the surface of traveller, the left side of spring and the right side fixed connection of guide block, the right side of spring and the equal fixedly connected with dog in right side of traveller, the first installation piece of left side fixedly connected with of traveller, the left side fixedly connected with electro-magnet of first installation piece, the left side of electro-magnet and the right side contact of iron plate, the last fixed surface of bottom plate is connected with the second installation piece, the inner wall fixedly connected with proximity switch of second installation piece, proximity switch is connected with the driving motor electricity.
Preferably, the proximity switch is located on the right side of the stop block, and the left side of the proximity switch is a sensing end.
Preferably, the inner wall of the connecting block is slidably connected with a positioning block, and the left side of the positioning block is fixedly connected with the left side of the inner wall of the connecting groove.
The use method of the automatic thread removing mechanism made of the high polymer material is characterized by comprising the following steps of:
s1, injection molding: promote first fixed plate, insert between supreme mould and the bed die with the screw core, open the electro-magnet, hold the iron plate through the electro-magnet, and then fix the slide, then drop into the high polymer material into supreme mould and the bed die inside through the feed inlet on the last mould, treat that the high polymer material solidifies the back, obtain injection moulding.
S2, thread stripping: and closing the electromagnet to eliminate the attraction of the electromagnet to the iron block, pushing the stop block by the spring to make the stop block contact with the proximity switch, opening the driving motor through the proximity switch to make the threaded core rotate, moving the threaded core out of the injection molding product under the action of the threads, and separating the upper mold from the lower mold after the threaded core is completely moved out to take out the injection molding product.
S3, disassembling the threaded core and the lower die: the double-end screw is rotated to enable the front and rear limiting blocks to move out of the limiting grooves, so that the threaded core is separated from the rotating shaft, and then the bolt is rotated to separate the lower die from the first fixing plate.
S4, installing a new thread core: fix the connecting block on threaded core earlier to seted up the spacing groove on threaded core, then in inserting the connecting block spread groove, under the cooperation of connecting block and spread groove this moment, make pivot and threaded core rotate together, then, rotate double-end screw, make the stopper insert the spacing inslot, play limiting displacement to threaded core through the stopper, make pivot and threaded core fixed together.
S5, installing a new upper die and a new lower die: and placing the lower die on the second fixing plate, fixing the lower die and the second fixing plate together through bolts, and placing the upper die on the lower die to complete installation.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention uses a driving mechanism, a connecting block, a connecting groove, a limiting mechanism and an electric push rod, wherein the front side and the rear side of the surface of the double-thread screw are both provided with threads, the thread directions are opposite, when the thread core is replaced, the double-thread screw is rotated to move a front limiting block and a rear limiting block out of the limiting groove, so as to separate the original thread core from a rotating shaft, when the thread cores of different models are installed, the connecting block is fixed on the thread core, the limiting groove is arranged on the thread core, then the connecting block is inserted into the connecting groove, at the moment, the rotating shaft and the thread core are rotated together under the matching of the connecting block and the connecting groove, then, the double-thread screw is rotated to insert the limiting block into the limiting groove, the limiting block plays a limiting role on the thread core, the rotating shaft and the, simultaneously, through electric putter, adjust the position of screw core, make the screw core of different models can place between rather than the complex bed die and the mould, and then make this automatic thread demoulding mechanism can cooperate screw core, bed die and the mould of different models to use together, and application scope is wider.
(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 phenomenon that internal threads of an injection molding product are easily deformed if a threaded core shakes during injection molding is prevented, and the quality of the processed injection molding product is poor.
(3) According to the invention, the spring, the stop block and the proximity switch are arranged, when the thread is removed, the electromagnet is closed, so that the attraction of the electromagnet to the iron block disappears, at the moment, the spring pushes the stop block to enable the stop block to be in contact with the proximity switch, and then the driving motor is opened through the proximity switch, so that the operation is simple and convenient, the use by a user is convenient, and meanwhile, the phenomenon that the sliding plate cannot move if the electromagnet is not closed during the thread removal is prevented, and at the moment, the internal thread of an injection molding product is easily damaged if the driving motor is directly.
(4) According to the invention, the positioning block is arranged, so that the connecting block is sleeved on the positioning block when the threaded core is installed, and the positioning block plays a positioning role on the threaded core, so that 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 and rear limiting blocks.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
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 spindle of the present invention;
FIG. 7 is a side view of the stop block of the present invention;
fig. 8 is an elevation view of the threaded core of the present invention.
In the figure: 1. a base plate; 2. a guide post; 3. a slide plate; 4. an electric push rod; 5. a first fixing plate; 6. a drive mechanism; 61. a drive motor; 62. a rotating shaft; 7. a support pillar; 8. a second fixing plate; 9. a lower die; 10. an upper die; 11. a threaded core; 12. connecting blocks; 13. connecting grooves; 14. a limiting groove; 15. a limiting mechanism; 151. connecting columns; 152. a support block; 153. a limiting block; 154. a double-ended screw; 155. a handle sleeve; 156. an arc-shaped slot; 16. an iron block; 17. a guide block; 18. a traveler; 19. a spring; 20. a stopper; 21. a first mounting block; 22. an electromagnet; 23. a second mounting block; 24. a proximity switch; 25. and (5) positioning the blocks.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-8, an automatic thread removing mechanism for high polymer materials comprises a base plate 1, 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 guide and limit the sliding plates 3, electric push rods 4 are fixedly connected to the upper surfaces of the sliding plates 3, first fixing plates 5 are fixedly connected to the upper surfaces of the electric push rods 4, the first fixing plates 5 are controlled to move up and down through the electric push rods 4, and driving mechanisms 6 are fixedly connected to the upper surfaces of the first fixing plates 5.
Bottom plate 1's last fixed surface is connected with support column 7, the last fixed surface of support column 7 is connected with second fixed plate 8, second fixed plate 8 is located the right side of first fixed plate 5, bolt fixedly connected with bed die 9 is passed through to the upper surface of second fixed plate 8, the upper surface of bed die 9 is provided with mould 10, and bed die 9 and mould 10 mutually support, the inside of bed die 9 and the inside of last mould 10 all are provided with threaded core 11.
Threaded core 11's left side fixedly connected with connecting block 12, spread groove 13 has been seted up on actuating mechanism 6's right side, the surface of connecting block 12 and the inner wall sliding connection of spread groove 13, connecting block 12 is positive four arris pieces, insert connecting block 12 back in spread groove 13, make connecting block 12 rotate along with actuating mechanism 6, 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 threaded core 11's surface, spacing groove 14 is to the ring channel, the inner wall sliding connection of spacing groove 14 has stop gear 15, stop gear 15's bottom and the last fixed surface of first fixed plate 5 are connected.
Actuating mechanism 6 includes driving motor 61, and driving motor 61's bottom is connected with the last fixed surface of first fixed plate 5 fixed surface, and coupling fixedly connected with pivot 62 is passed through to driving motor 61's output, and connecting groove 13 is located the right side of pivot 62 and sets up, and the center of pivot 62, threaded core 11's center and the center of connecting block 12 all are on same water flat line.
Stop gear 15 includes spliced pole 151, spliced pole 151 is located the below of screw core 11, the equal fixedly connected with supporting shoe 152 in both sides around spliced pole 151, the bottom of supporting shoe 152 and the last fixed surface of first fixed plate 5 are connected, the sliding surface of spliced pole 151 is connected with stopper 153, the inner wall threaded connection of stopper 153 has double threaded screw 154, double threaded screw 154 is located the top of screw core 11, the surface of double threaded screw 154 passes through the inner wall fixed connection of bearing and supporting shoe 152, the fixed surface of double threaded screw 154 is connected with gloves 155, the arc wall 156 has been seted up to one side that stopper 153 is close to screw core 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 last fixed surface of slide 3 is connected with iron plate 16, the last fixed surface of bottom plate 1 is connected with guide block 17, the inner wall sliding connection of guide block 17 has traveller 18, spring 19 has been cup jointed on the surface of traveller 18, the left side of spring 19 and the right side fixed connection of guide block 17, the equal fixedly connected with dog 20 in the right side of spring 19 and traveller 18, the first installation piece 21 of the first fixedly connected with in left side 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 last fixed surface of bottom plate 1 is connected with second installation piece 23, 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 induction.
A use method of an automatic thread-removing mechanism made of high-molecular polymer materials comprises the following steps:
s1, injection molding: promote first fixed plate 5, insert threaded core 11 between last mould 10 and bed die 9, open electro-magnet 22, hold iron plate 16 through electro-magnet 22, and then fix slide 3, then drop into the high molecular polymer material to last mould 10 and inside the bed die 9 through the feed inlet on last mould 10, treat the high molecular polymer material solidification back, obtain injection moulding.
S2, thread stripping: and (3) closing the electromagnet 22 to eliminate the suction force of the electromagnet 22 on the iron block 16, pushing the stop block 20 by the spring 19 at the moment to enable the stop block 20 to be in contact with the proximity switch 24, then opening the driving motor 61 through the proximity switch 24 to enable the threaded core 11 to rotate, enabling the threaded core 11 to move out of the injection molding product under the action of the threads at the moment, and separating the upper mold 10 from the lower mold 9 after the threaded core 11 is completely moved out to take out the injection molding product.
S3, removing the threaded core 11 and the lower mold 9: the double-headed screw 154 is rotated to move the front and rear stoppers 153 out of the stopper groove 14, thereby separating the screw core 11 from the rotary shaft 62, and then the bolt is rotated to separate the lower mold 9 from the first fixing plate 5.
S4, installing the new threaded core 11: fix connecting block 12 on threaded core 11 earlier to seted up spacing groove 14 on threaded core 11, then insert connecting block 12 in the spread groove 13, at this moment under the cooperation of connecting block 12 and spread groove 13, make pivot 62 rotate with threaded core 11 together, then, rotate double-end screw 154, make stopper 153 insert spacing inslot 14, play limiting displacement to threaded core 11 through stopper 153, make pivot 62 fixed together with threaded core 11.
S5, installing the new upper die 10 and the 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 by bolts, and then the upper die 10 is placed on the lower die 9, completing the installation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 (8)

1. The automatic thread removing mechanism for the high polymer material comprises a base plate (1), and is characterized in that guide columns (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 columns (2) and the inner wall of the base plate (1), an electric push rod (4) is fixedly connected to the upper surface of each sliding plate (3), a first fixing plate (5) is fixedly connected to the upper surface of each electric push rod (4), and a driving mechanism (6) is fixedly connected to the upper surface of each first fixing 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, an upper die (10) is arranged on the upper surface of the lower die (9), the lower die (9) and the upper die (10) are matched with each other, and threaded cores (11) are arranged inside the lower die (9) and inside the upper die (10);
the left side fixedly connected with connecting block (12) of screw core (11), spread groove (13) have been seted up on the right side of actuating mechanism (6), the surface of connecting block (12) and the inner wall sliding connection of spread groove (13), spacing groove (14) have been seted up on the surface of screw core (11), the inner wall sliding connection of spacing groove (14) has stop gear (15), the bottom of stop gear (15) and the last fixed surface of first fixed plate (5) are connected.
2. The automatic thread-removing mechanism of high polymer material as claimed in claim 1, wherein 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 coupling, and the connecting groove (13) is disposed on the right side of the rotating shaft (62).
3. The automatic thread-removing mechanism of high molecular polymer material according to claim 1, wherein 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 both the front side and the rear side of the connecting column (151), the bottom of the supporting block (152) is fixedly connected to the upper surface of the first fixing plate (5), a limiting block (153) is slidably connected to the surface of the connecting column (151), a double-threaded screw (154) is connected to the inner wall of the limiting block (153) in a threaded manner, the double-threaded screw (154) is located above the threaded core (11), the surface of the double-threaded screw (154) is fixedly connected to the inner wall of the supporting block (152) through a bearing, a handle sleeve (155) is fixedly connected to the surface of the double-threaded screw (154), an arc-shaped groove (156) is formed in one side of the limiting block (153) close to the threaded, the inner wall of the arc-shaped groove (156) and the surface of the limiting block (153) are in sliding connection with the inner wall of the limiting groove (14).
4. The automatic thread-removing mechanism for high-molecular polymer material as claimed in claim 2, wherein 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.
5. The automatic thread removing mechanism of the high polymer material according to claim 2, wherein an iron block (16) is fixedly connected to the upper surface of the sliding plate (3), a guide block (17) is fixedly connected to the upper surface of the base plate (1), a sliding column (18) is slidably connected to the inner wall of the guide block (17), a spring (19) is sleeved on the surface of the sliding column (18), the left side of the spring (19) is fixedly connected to the right side of the guide block (17), a stop block (20) is fixedly connected to both the right side of the spring (19) and the right side of the sliding column (18), a first mounting block (21) is fixedly connected to the left side of the sliding column (18), an electromagnet (22) is fixedly connected to the left side of the first mounting block (21), the left side of the electromagnet (22) is in contact with the right side of the iron block (16), a second mounting block (23) is fixedly connected to the upper surface of the base plate (1), the inner wall of the second mounting block (23) is fixedly connected with a proximity switch (24), and the proximity switch (24) is electrically connected with a driving motor (61).
6. The automatic thread-removing mechanism for high molecular polymer material according to claim 5, wherein the proximity switch (24) is located at the right side of the stopper (20), and the left side of the proximity switch (24) is a sensing end.
7. The automatic thread-removing mechanism of high molecular polymer material as claimed in 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).
8. The use method of the automatic thread removing mechanism made of the high polymer material is characterized by comprising the following steps of:
s1, injection molding: promote first fixed plate (5), insert between supreme mould (10) and bed die (9) threaded core (11), open electro-magnet (22), hold iron plate (16) through electro-magnet (22), and then fix slide (3), then drop into supreme mould (10) and inside bed die (9) with the feed inlet of high polymer material on through last mould (10), wait that the high polymer material solidifies the back, obtain injection moulding.
S2, thread stripping: and (3) closing the electromagnet (22), enabling the electromagnet (22) to have no suction force on the iron block (16), enabling the stop block (20) to be pushed by the spring (19) at the moment, enabling the stop block (20) to be in contact with the proximity switch (24), then opening the driving motor (61) through the proximity switch (24), enabling the threaded core (11) to rotate, enabling the threaded core (11) to be moved out of the injection molding product under the action of the threads at the moment, and after the threaded core (11) is completely moved out, separating the upper mold (10) from the lower mold (9) and taking out the injection molding product.
S3, disassembling the threaded core (11) and the lower die (9): the double-threaded screw (154) is rotated to enable the front and rear limiting blocks (153) to move out of the limiting grooves (14), the threaded core (11) is separated from the rotating shaft (62), and then the bolt is rotated to separate the lower die (9) from the first fixing plate (5).
S4, installing the new thread core (11): fix connecting block (12) on threaded core (11) earlier, and seted up spacing groove (14) on threaded core (11), then insert connecting block (12) in spread groove (13), at this moment under the cooperation of connecting block (12) and spread groove (13), make pivot (62) rotate with threaded core (11) together, then, rotate double-thread screw (154), make stopper (153) insert in spacing groove (14), play limiting displacement to threaded core (11) through stopper (153), make pivot (62) fix together with threaded core (11).
S5, installing a new upper die (10) and a new lower die (9): and (3) placing a lower die (9) on the second fixing plate (8), fixing the lower die (9) and the second fixing plate (8) together through bolts, and then placing an upper die (10) on the lower die (9) to finish the installation.
CN201911013953.0A 2019-10-17 2019-10-23 Automatic thread-removing mechanism for high-molecular polymer material and use method thereof Active CN110587929B (en)

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CN201910990098 2019-10-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112829212A (en) * 2021-01-06 2021-05-25 天津精利达精密模具有限公司 Thread demoulding mechanism
CN114226684A (en) * 2021-12-22 2022-03-25 深圳市超盛金属制品有限公司 Spiral core-pulling mechanism of die-casting die

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