CN116512534B - Automatic thread-removing injection mold for bottle caps - Google Patents
Automatic thread-removing injection mold for bottle caps Download PDFInfo
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- CN116512534B CN116512534B CN202310798895.7A CN202310798895A CN116512534B CN 116512534 B CN116512534 B CN 116512534B CN 202310798895 A CN202310798895 A CN 202310798895A CN 116512534 B CN116512534 B CN 116512534B
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- bottle cap
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- 238000002347 injection Methods 0.000 title claims abstract description 35
- 239000007924 injection Substances 0.000 title claims abstract description 35
- 238000001746 injection moulding Methods 0.000 claims abstract description 48
- 239000004033 plastic Substances 0.000 claims abstract description 28
- 229920003023 plastic Polymers 0.000 claims abstract description 28
- 238000000465 moulding Methods 0.000 claims description 50
- 238000000034 method Methods 0.000 claims description 41
- 238000003860 storage Methods 0.000 claims description 30
- 230000033001 locomotion Effects 0.000 claims description 28
- 238000005520 cutting process Methods 0.000 claims description 16
- 238000007493 shaping process Methods 0.000 claims description 15
- 230000005389 magnetism Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 3
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- 238000004519 manufacturing process Methods 0.000 abstract description 28
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 230000009471 action Effects 0.000 description 9
- 238000000926 separation method Methods 0.000 description 7
- 239000002994 raw material Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/2618—Moulds having screw-threaded mould walls
- B29C45/262—Moulds having screw-threaded mould walls provided with unscrewing drive means
-
- 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
- B29C45/1753—Cleaning or purging, e.g. of the injection unit
-
- 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
- B29C45/38—Cutting-off equipment for sprues or ingates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/38—Cutting-off equipment for sprues or ingates
- B29C2045/384—Cutting-off equipment for sprues or ingates cutting the sprue by a plunger movable into the runner channel
-
- 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
- B29L2031/00—Other particular articles
- B29L2031/56—Stoppers or lids for bottles, jars, or the like, e.g. closures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention belongs to the technical field of plastic bottle cap injection molding production, in particular to an automatic bottle cap thread-removing injection mold, which comprises an assembly frame, wherein a plurality of forming molds are arranged in the assembly frame, limiting rods are inserted between the forming molds and the inner wall of the assembly frame, the injection mold comprises a limiting plate, a lifting plate, a movable mold and a fixed mold, the movable mold is matched with the fixed mold, the limiting plate is inserted with the limiting rods, a rotating gear is arranged at the top of the limiting plate, a moving assembly is arranged between the rotating gear and the lifting plate, a forming screw is arranged at the bottom end of the moving assembly, and the moving assembly is used for driving the forming screw to rotate; the bottle caps with different numbers and different types and specifications are produced by adjusting the size of the assembly frame, the effect of realizing simultaneous injection molding production of a plurality of plastic threaded bottle caps with different numbers and specifications according to production requirements is achieved, and the bottle cap assembly frame meets the changeable production environment and scene of enterprises and has high applicability.
Description
Technical Field
The invention belongs to the technical field of plastic bottle cap injection molding production, and particularly relates to an automatic bottle cap thread-removing injection mold.
Background
The common packaging bottle in the existing market is connected with the bottle cap in a threaded mode, so that threads are formed in the bottle opening of the packaging bottle and the bottle cap, most of the bottle caps are plastic parts, the packaging bottle is produced in an injection molding mode, and the bottle cap is required to be produced in an injection molding mode.
At present, the production of threaded bottle caps has mature technology, and in the prior art, two types of automatic thread-removing injection molds for bottle caps are generally adopted, one type of automatic thread-removing injection molds is that a movable threaded mold core is adopted in the mold design, an injection molding piece and the movable threaded mold core are ejected together, and thread-removing is carried out in a manual mode; the other mode is to adopt a gear rack to conduct thread removal in a mode of converting linear motion into rotary motion of a threaded core.
The number and the specification of the bottle caps produced by molding are fixed in the injection molding process, and the bottle caps cannot be changed, so that enterprises cannot replace and call the dies in time when facing different production problems, and production accidents are caused.
Therefore, the invention provides the bottle cap automatic thread-removing injection mold.
Disclosure of Invention
In order to make up the defects of the prior art, the automatic thread-removing die for the bottle cap solves the problems that the quantity and the specification of the bottle cap produced by molding are fixed and cannot be changed in the injection molding process.
In order to solve the technical problems, the invention provides an automatic bottle cap thread-removing injection mold, which comprises an assembly frame, wherein a plurality of forming molds are arranged in the assembly frame, and a limiting rod is inserted between the forming molds and the inner wall of the assembly frame;
the injection mold comprises a limiting plate, a lifting plate, a movable mold and a fixed mold, wherein the movable mold is matched with the fixed mold, the limiting plate is inserted into the limiting rod, a rotating gear is arranged at the top of the limiting plate, a moving assembly is arranged between the rotating gear and the lifting plate, a forming screw is arranged at the bottom end of the moving assembly and used for driving the forming screw to rotate, the diameter of the forming screw is larger than that of the moving assembly, a telescopic guide rod is arranged between the limiting plate and the lifting plate, a forming mold cavity is formed in the fixed mold, a thread part at the bottom end of the forming screw is arranged in the forming mold cavity, injection grooves communicated with the forming mold cavity are formed in the movable mold and the fixed mold, and a transmission assembly is arranged at four corners of the bottom surface of the lifting plate and used for driving the movable mold to be separated from the fixed mold in a delayed manner; when the forming device works, a plurality of forming dies are arranged in the assembly frame, the limiting plates are limited through the limiting rods, meanwhile, a driving motor is arranged on one or more rotating gears, and other rotating gears are connected through chains or gear belts;
injecting raw materials into a molding cavity in the fixed mold through an injection molding groove, and starting a driving motor after injection molding is completed, so that a rotating gear starts to rotate to drive a moving assembly to rotate, and the moving assembly rotates to drive a molding screw rod to rotate, thereby realizing the effect of automatic thread-removing injection molding; in summary, the embodiment of the invention achieves the effect of realizing simultaneous injection molding production of a plurality of plastic threaded bottle caps with multiple specifications according to production requirements, meets the changeable production environment and scene of enterprises, and has high applicability.
In one embodiment of the invention, the motion assembly comprises a rotating shaft, the rotating shaft is in through connection with a lifting plate, a hollow cylinder is sleeved at the top end of the rotating shaft, the hollow cylinder is in through connection with a limiting plate and is fixedly connected with a rotating gear, a plurality of rotating rods are rotationally connected at the bottom end of the inner wall of the hollow cylinder, the rotating rods are distributed in a circumferential array, a limiting ball is connected at one end of the rotating rod, which is far away from the hollow cylinder, a plurality of limiting grooves are formed in the outer part of the rotating shaft, the rotating rod and the limiting ball are installed in the limiting grooves, and the diameter of the limiting ball is larger than that of the rotating rod; during operation, when rotating the gear, it can drive hollow section of thick bamboo and rotate, and hollow section of thick bamboo rotates then can drive dwang, spacing ball and rotates, and the dwang can exert axial force to the axis of rotation with spacing ball at pivoted in-process, and then drives the axis of rotation and rotate, has replaced traditional automatic many gears cooperation operation of taking off screw die through this kind of design, the condition that gear life is low improves injection mold's life, more save space simultaneously.
In one embodiment of the invention, the transmission assembly comprises a supporting rod, the supporting rod is connected with the lifting plate through threads, the bottom end of the supporting rod is connected with a magnetic plate through threads, the diameter of the magnetic plate is larger than that of the supporting rod, a countersink is formed in the movable die in a penetrating way, and the opening position and the depth of the countersink are matched with those of the supporting rod and the magnetic plate; during operation, in the upward movement process of the lifting plate, the lifting plate drives the supporting rod and the magnetic plate to move upward together, and as the counter bore is formed in the movable die, when the magnetic plate is not in contact with the top surface of the inner wall of the counter bore, the movement of the lifting plate can not affect the movable die, and after the magnetic plate is in contact with the top surface of the inner wall of the counter bore, the magnetic plate can exert force on the movable die at the moment, so that the movable die is driven to move upward together, the effect of automatically separating the movable die from the fixed die in a delayed manner is achieved, and the purpose of automatic thread removal is achieved.
In one embodiment of the invention, an adjusting assembly is arranged between the forming screw and the moving assembly, the adjusting assembly comprises an adjusting disc, the adjusting disc is fixedly connected with the bottom end of the rotating shaft, the diameter of the adjusting disc is larger than that of the rotating shaft, a plurality of adjusting grooves are formed in the adjusting disc, the adjusting grooves are distributed in a circumferential array, a fixing screw is inserted in the adjusting grooves, a threaded hole matched with the fixing screw is formed in the top end of the forming screw, a rubber guide column is fixedly connected to the bottom surface of the adjusting disc, and a guide hole matched with the rubber guide column is formed in the forming screw; during operation, when installing the shaping screw rod, at first assemble the bottom of adjusting part with the shaping screw rod through the cooperation of rubber guide post and the inside guiding hole of shaping screw rod, fix the shaping screw rod through fixed screw rod afterwards, and through the design of adjustment tank, thereby can adjust the fixed position of fixing screw rod, thereby adapt to the shaping screw rod of different diameters, rubber guide post is rubber material design simultaneously also adaptable not unidimensional guiding hole, so just reached the production demand that can adapt to different sizes bottle lid, and it is also very convenient to carry out the mode of equipment through the fixing screw rod, be convenient for change and maintain.
In one embodiment of the invention, a plurality of collision balls are placed in the guide holes, and the collision balls are made of metal materials with no magnetism and high melting point; during operation, at the in-process of taking off the screw thread, the shaping screw rod is at pivoted in-process, and its inside collision ball can take place to rock under the effect of inertial force to produce collision and vibrations of certain degree, this vibrations can be conducted to the inside bottle lid of cover half, thereby make its synchronous vibrations to a certain extent, and then reached the effect of being convenient for follow-up bottle lid and cover half drawing of patterns.
In one embodiment of the invention, the bottom surface of the movable die is fixedly connected with a dividing plate, the top surface of the fixed die is positioned outside a molding die cavity and provided with clamping grooves matched with the dividing plate, the inside of the dividing plate is provided with injection holes matched with a pair of injection grooves, the inside of the dividing plate is provided with chamfers at the injection holes, and the positions of the inside of the dividing plate and the bottom of the injection holes are blade-shaped through the arrangement of the chamfers; during operation, in the in-process of moulding plastics, the raw materials can be through moulding plastics the groove injection molding die cavity to can remain the mouth of a river of moulding plastics at the inslot portion of moulding plastics, and at the in-process of movable mould and cover half separation, the movable mould can drive simultaneously and cut apart the board and upwards move together, and at this in-process because the bottle lid does not take place the drawing of patterns with the cover half, thereby cut apart the board and just can contact with the mouth of a river of moulding plastics, at this moment make the inside one side that is close to the mouth of a river of cutting off for the cutting apart board in the in-process of motion with the bottle lid through the setting of chamfer, reached the effect of automatic mouth of a river.
In one embodiment of the invention, a pair of lifting plates are inserted into the movable mould and positioned outside the injection molding groove, an electric telescopic rod is arranged between one lifting plate and the movable mould, and injection molding holes matched with the pair of injection molding grooves are formed in the lifting plates; during operation, at the in-process of movable mould motion, it can drive lifting plate, electric telescopic handle motion simultaneously, thereby can support the going on of the mouth of a river operation of being convenient for through the design of lifting plate, simultaneously after cutting difficulty or cutting are accomplished, can adjust electric telescopic handle's length for the mouth of a river takes place the slope, and the mouth of a river after the slope can be convenient for cut more and simultaneously its can also slide along the lifting plate after the cutting, so can not make the mouth of a river remain the going on of the operation of moulding plastics of the inside influence next time of moulding plastics of groove when having improved the quality and the efficiency of mouth of a river again.
In one embodiment of the invention, a limiting hole is formed in the fixed die and located at a position corresponding to the magnetic plate, a magnetic balancing weight is connected in the limiting hole in a sliding manner, a piston is fixedly connected to the bottom end of the magnetic balancing weight in a sliding manner, the diameter of the piston is larger than that of the magnetic balancing weight, and the limiting hole is matched with the magnetic balancing weight and the piston; during operation, at the in-process of movable mould and cover half compound die, the magnetic plate can insert the inside in spacing hole and inhale mutually with the magnetism balancing weight to the magnetic plate can drive magnetism balancing weight, piston slip in the in-process of follow-up motion in step, through the design of magnetism balancing weight, piston, can apply certain motion resistance to the magnetic plate, and then play the damped effect of similarity to the thread removal operation, improve the stability of thread removal operation, it is to be noted that, because magnetic plate and magnetism balancing weight adopt magnetic material, then the equipment should consider the magnetism basis of selecting the material when the preparation, avoid causing the influence to magnetic plate, magnetism balancing weight.
In one embodiment of the invention, a plurality of jacking blocks are slidably connected in the fixed die and positioned at the position of a molding die cavity, the section of each jacking block is I-shaped, a chute matched with each jacking block is formed in the fixed die, an exhaust passage is formed in each jacking block, the exhaust passage is attached to the inner wall of each chute in the initial state, an air storage cavity is formed in the fixed die and positioned below each jacking block, the air storage cavity is communicated with a limiting hole, an air inlet hole is formed in the fixed die and positioned outside the air storage cavity, the air inlet hole is communicated with the air storage cavity, and a one-way valve is arranged in the air inlet hole; during operation, the magnetic plate drives the magnetic balancing weight, the piston moves in-process, spacing hole, the inside atmospheric pressure of gas storage chamber reduces gradually, just at this moment can be through the outside air of check valve suction in the inlet port, and after shaping screw rod and cover half separation, the piston can contact the top surface of spacing hole wall, thereby spacing the magnetic balancing weight makes its and magnetic plate separation, the magnetic balancing weight after the separation with the magnetic plate moves downwards under the effect of gravity, thereby extrude spacing hole, the inside air of gas storage chamber, can exert thrust to the jacking piece simultaneously after the air receives the extrusion, at this moment the jacking piece just can promote the bottle lid of moulding plastics, make it possess the trend of separating with the cover half.
In one embodiment of the invention, an air inlet pipe is arranged in the air inlet hole, the air inlet pipe is connected with an external air pump, and an air pressure detection valve is arranged in the air storage cavity; during operation, through at the inside external air pump of inlet port, can realize independently aerifing to the inside drawing of patterns operation that realizes bottle lid and cover half of gas storage chamber, and can monitor the inside atmospheric pressure size change of gas storage chamber in real time through the atmospheric pressure detection valve to judge the actual drawing of patterns effect of every cover half.
Compared with the prior art, the technical scheme of the invention has the following advantages:
according to the automatic screw thread removing injection mold for the bottle caps, disclosed by the invention, the effect of realizing simultaneous injection molding production of a plurality of plastic screw thread bottle caps with different numbers and specifications according to production requirements is achieved by adjusting the sizes of the assembly frames to adapt to the production of the bottle caps with different numbers and different types and specifications, the multiple plastic screw thread bottle caps are in line with changeable production environments and scenes of enterprises, and the applicability is high;
through when the rotation gear rotates, it can drive hollow section of thick bamboo and rotate, and hollow section of thick bamboo rotates then can drive dwang, spacing ball and rotates, and the dwang can exert axial force to the axis of rotation with spacing ball at pivoted in-process, and then drives the axis of rotation and rotate, has replaced traditional automatic many gears cooperation operation of taking off screw die through this kind of design, the condition that gear life is low, improves injection mold's life, more save space simultaneously.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the structure of the assembly frame of the present invention;
FIG. 3 is a cross-sectional view of the structure of the assembly frame of the present invention;
FIG. 4 is a cross-sectional view of yet another view of the structure of the assembly frame of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 3A in accordance with the present invention;
FIG. 6 is an enlarged view of a portion of the invention at B in FIG. 4;
FIG. 7 is a perspective view of a lifter plate structure according to the present invention;
FIG. 8 is a perspective view of an adjustment assembly of the present invention;
FIG. 9 is a perspective view of a stationary mold in the present invention;
fig. 10 is a perspective view of a movable mold structure in the present invention.
In the figure: 1. assembling a frame; 2. a limiting plate; 3. a limit rod; 4. rotating the gear; 5. a lifting plate; 6. a motion assembly; 601. a rotating shaft; 602. a hollow cylinder; 603. a rotating lever; 604. a limit ball; 7. a movable mold; 8. a fixed mold; 9. an adjustment assembly; 901. a rubber guide column; 902. an adjusting plate; 903. an adjustment tank; 904. a fixed screw; 10. forming a screw; 11. a telescopic guide rod; 12. a support rod; 13. a magnetic plate; 14. an injection molding groove; 15. a dividing plate; 16. chamfering; 17. a lifting plate; 18. an electric telescopic rod; 19. a magnetic balancing weight; 20. a piston; 21. a gas storage chamber; 22. a jacking block; 23. an exhaust passage; 24. and (5) bumping ball.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
Example 1
As shown in fig. 1, 2, 9 and 10, the automatic screw thread removing injection mold for bottle caps according to the embodiment of the invention comprises an assembly frame 1, wherein a plurality of forming molds are arranged in the assembly frame 1, and a limiting rod 3 is inserted between the forming molds and the inner wall of the assembly frame 1;
the injection mold comprises a limiting plate 2, a lifting plate 5, a movable mold 7 and a fixed mold 8, wherein the movable mold 7 is matched with the fixed mold 8, the limiting plate 2 is spliced with a limiting rod 3, a rotating gear 4 is arranged at the top of the limiting plate 2, a moving assembly 6 is arranged between the rotating gear 4 and the lifting plate 5, a forming screw 10 is arranged at the bottom end of the moving assembly 6, the moving assembly 6 is used for driving the forming screw 10 to rotate, the diameter of the forming screw 10 is larger than that of the moving assembly 6, a telescopic guide rod 11 is arranged between the limiting plate 2 and the lifting plate 5, a forming mold cavity is formed in the fixed mold 8, a thread part at the bottom end of the forming screw 10 is arranged in the forming mold cavity, injection grooves 14 communicated with the forming mold cavity are formed in the movable mold 7 and the fixed mold 8, a transmission assembly is arranged at four corners of the bottom surface of the lifting plate 5 and used for driving the movable mold 7 to be separated from the fixed mold 8 in a time-delay manner; when the automatic screw thread removing die for the bottle caps is in use, the quantity and the specification of the bottle caps produced by molding are fixed in the injection molding process, and cannot be changed;
then injection molding production is started on the bottle cap, firstly raw materials are injected into a molding cavity in the fixed die 8 through an injection molding groove 14, the screw thread part at the bottom of the molding screw 10 is arranged in the molding cavity, so that the injection molded bottle cap is internally provided with screw threads, different molding screw 10 can be selected to meet different bottle cap screw thread production requirements through a detachable mounting mode of the moving assembly 6 and the molding screw 10, and meanwhile, the types of the movable die 7 and the fixed die 8 are adjusted, so that the effect of producing multi-model screw bottle caps in a single time is achieved; after injection molding is completed, a driving motor is started to enable a rotating gear 4 to start rotating, the rotating gears 4 of other molding dies rotate together through a chain or a gear belt, the rotating gears 4 drive a moving assembly 6 to rotate after rotating, the moving assembly 6 rotates to drive a molding screw rod 10 to rotate, threads are generated inside a bottle cap at the moment, and it is required to say that a plurality of vertical threads are often arranged on the outer side of the bottle cap at the same time, the vertical threads are often used for increasing friction force when a consumer unscrews the bottle cap, in the embodiment of the invention, the vertical threads of the bottle cap play a limiting role on the molded bottle cap, so that the bottle cap is prevented from rotating together with the molding screw rod 10, the bottle cap moves synchronously upwards when the molding screw rod 10 rotates, a lifting plate 5 is driven to move together upwards in the process of upward movement, a telescopic guide rod 11 contracts synchronously in the process, so that a guiding effect is achieved, and after a period of time delay, the lifting plate 5 drives a moving die 7 to be separated from a fixed die 8 through a transmission assembly, so that automatic thread removing injection molding effect is achieved; in summary, the embodiment of the invention achieves the effect of realizing simultaneous injection molding production of a plurality of plastic threaded bottle caps with multiple specifications according to production requirements, meets the changeable production environment and scene of enterprises, and has high applicability.
As shown in fig. 5, the motion assembly 6 includes a rotation shaft 601, the rotation shaft 601 is connected with the lifting plate 5 in a penetrating manner, a hollow cylinder 602 is sleeved at the top end of the rotation shaft 601, the hollow cylinder 602 is connected with the limiting plate 2 in a penetrating manner and is fixedly connected with the rotation gear 4, a plurality of rotation rods 603 are rotatably connected at the bottom end of the inner wall of the hollow cylinder 602, the rotation rods 603 are distributed in a circumferential array manner, a limiting ball 604 is connected at one end of the rotation rod 603 far away from the hollow cylinder 602 in a ball manner, a plurality of limiting grooves are formed in the outer portion of the rotation shaft 601, the rotation rods 603 and the limiting balls 604 are installed in the limiting grooves, and the diameter of the limiting balls 604 is larger than that of the rotation rods 603; during operation, when the rotary gear 4 rotates, the rotary gear 4 drives the hollow cylinder 602 to rotate, the hollow cylinder 602 rotates to drive the rotary rod 603 and the limiting ball 604 to rotate, axial force is applied to the rotary shaft 601 by the rotary rod 603 and the limiting ball 604 in the rotating process, and then the rotary shaft 601 is driven to rotate, the rotary shaft 601 simultaneously moves upwards under the action of screw thread fit between the forming screw 10 and the forming bottle cap during rotation, the rotary shaft 601 drives the rotary rod 603 to rotate through the limiting groove so as to slide upwards, the effect that the rotary shaft 601 rotates and synchronously moves upwards in the rotating process is realized, the diameter of the limiting ball 604 is larger than that of the rotary rod 603, the cross section of the limiting groove is in a convex shape, the rotary rod 603, the limiting ball 604 and the rotary shaft 601 are more firmly installed, the multi-gear matching operation of the traditional automatic thread-removing die is replaced by the design, the service life of the injection die is prolonged, and the space is saved.
As shown in fig. 4 and 7, the transmission assembly comprises a supporting rod 12, the supporting rod 12 is connected with the lifting plate 5 through threads, a magnetic plate 13 is connected to the bottom end of the supporting rod 12 through threads, the diameter of the magnetic plate 13 is larger than that of the supporting rod 12, a countersink is formed in the movable die 7 in a penetrating manner, and the countersink is formed in a position and depth matched with the supporting rod 12 and the magnetic plate 13; during operation, in the upward movement process of the lifting plate 5, the lifting plate drives the supporting rod 12 and the magnetic plate 13 to move upward together, and as the counter bore is formed in the movable die 7, when the magnetic plate 13 is not in contact with the top surface of the inner wall of the counter bore, the movement of the lifting plate 5 cannot affect the movable die 7, and after the magnetic plate 13 is in contact with the top surface of the inner wall of the counter bore, the magnetic plate 13 can exert force on the movable die 7 at the moment, so that the movable die 7 is driven to move upward together, the effect of automatically separating the movable die 7 and the fixed die 8 in a delayed manner is achieved, and the purpose of automatic thread removal is achieved.
As shown in fig. 4 and 8, an adjusting component 9 is disposed between the forming screw 10 and the moving component 6, the adjusting component 9 includes an adjusting disk 902, the adjusting disk 902 is fixedly connected with the bottom end of the rotating shaft 601, the diameter of the adjusting disk 902 is larger than that of the rotating shaft 601, a plurality of adjusting grooves 903 are formed in the adjusting disk 902, the plurality of adjusting grooves 903 are distributed in a circumferential array, a fixing screw 904 is inserted in the adjusting grooves 903, a threaded hole adapted to the fixing screw 904 is formed in the top end of the forming screw 10, a rubber guide post 901 is fixedly connected to the bottom surface of the adjusting disk 902, and a guide hole adapted to the rubber guide post 901 is formed in the forming screw 10; during operation, when installing shaping screw rod 10, at first through the cooperation of rubber guide post 901 and the inside guiding hole of shaping screw rod 10 with shaping screw rod 10 assembly to the bottom of adjusting part 9, later fix shaping screw rod 10 through fixing screw rod 904, and through the design of adjustment tank 903, thereby can adjust the fixed position of fixing screw rod 904, thereby adapt to the shaping screw rod 10 of different diameters, rubber guide post 901 is the guiding hole of rubber material design also adaptable not unidimensional simultaneously, so just reached the production demand that can adapt to different sizes bottle lid, and it is also very convenient to assemble the mode through fixing screw rod 904, be convenient for change and maintenance.
As shown in fig. 6, a plurality of impact balls 24 are placed in the guide holes, and the impact balls 24 are made of a metal material with no magnetism and high melting point; during operation, in the process of thread removal, the forming screw 10 is rotated, the collision ball 24 inside the forming screw can shake under the action of inertia force, so that a certain degree of collision and vibration are generated, the vibration can be transmitted to the bottle cap inside the fixed die 8, the vibration is synchronized to a certain degree, and the effect of facilitating the demolding of the follow-up bottle cap and the fixed die 8 is achieved.
As shown in fig. 3 and 10, the bottom surface of the movable mold 7 is fixedly connected with a dividing plate 15, a clamping groove matched with the dividing plate 15 is formed on the top surface of the fixed mold 8 and positioned outside the molding cavity, an injection molding hole matched with a pair of injection molding grooves 14 is formed inside the dividing plate 15, a chamfer 16 is formed inside the dividing plate 15 and positioned at the injection molding hole, and the position inside the dividing plate 15 and positioned at the bottom of the injection molding hole is in a blade shape through the arrangement of the chamfer 16; during operation, in the in-process of moulding plastics, the raw materials can be injected into the shaping die cavity through moulding plastics groove 14 to can remain the mouth of a river of moulding plastics in the inslot portion of moulding plastics groove 14, and at the in-process of movable mould 7 and cover half 8 separation, movable mould 7 can drive simultaneously and cut apart board 15 and upwards move, and in this process because the bottle lid does not carry out the drawing of patterns with cover half 8, thereby cut apart board 15 just can contact with the mouth of a river of moulding plastics, at this moment make the inside one side that is close to the mouth of a river of cutting edge form that is used for of cutting apart board 15 through setting up of chamfer 16, thereby make cut apart board 15 cut off mouth of a river and bottle lid at the in-process of motion, reached the effect of automatic mouth of a river that removes.
As shown in fig. 3 and 10, a pair of lifting plates 17 are inserted into the movable mold 7 and positioned outside the injection molding groove 14, an electric telescopic rod 18 is installed between one lifting plate 17 and the movable mold 7, and injection molding holes matched with the pair of injection molding grooves 14 are formed in the lifting plate 17; during operation, at the in-process of movable mould 7 motion, it can drive lift plate 17, electric telescopic handle 18 motion simultaneously, thereby can support the going on of mouth of a river operation of being convenient for through the design of lift plate 17, simultaneously at the cutting difficulty or after the cutting is accomplished, can adjust electric telescopic handle 18's length for the mouth of a river takes place the slope, and the mouth of a river after the slope can be convenient for cut more and simultaneously its also can be along lift plate 17 landing after the cutting, so can not make the mouth of a river remain the going on of the operation of moulding plastics next time of the inside influence of groove 14 of moulding plastics again when having improved the quality and the efficiency of mouth of a river.
As shown in fig. 4 and 9, a limiting hole is formed in the fixed mold 8 and located at a position corresponding to the magnetic plate 13, a magnetic balancing weight 19 is slidably connected in the limiting hole, a piston 20 is slidably and fixedly connected to the bottom end of the magnetic balancing weight 19, the diameter of the piston 20 is larger than that of the magnetic balancing weight 19, and the limiting hole is matched with the magnetic balancing weight 19 and the piston 20; during operation, in the process of the die assembly of the movable die 7 and the fixed die 8, the magnetic plate 13 can be inserted into the limiting hole and attracted to the magnetic balancing weight 19, so that the magnetic balancing weight 19 and the piston 20 can be synchronously driven to slide in the subsequent movement process by the magnetic plate 13, certain movement resistance can be applied to the magnetic plate 13 through the design of the magnetic balancing weight 19 and the piston 20, and further the effect similar to damping is achieved for the thread removal operation, the stability of the thread removal operation is improved, and the stability of the thread removal operation is improved.
As shown in fig. 4 and 6, the inside of the fixed mold 8 is slidably connected with a plurality of jacking blocks 22 at the position of the molding cavity, the section of each jacking block 22 is in an i shape, a chute matched with each jacking block 22 is formed in the inside of the fixed mold 8, an exhaust passage 23 is formed in the inside of each jacking block 22, the exhaust passage 23 is attached to the inner wall of the chute in an initial state, an air storage cavity 21 is formed in the inside of the fixed mold 8 and below the jacking block 22, the air storage cavity 21 is communicated with a limiting hole, an air inlet hole is formed in the inside of the fixed mold 8 and outside of the air storage cavity 21, the air inlet hole is communicated with the air storage cavity 21, and a one-way valve is arranged in the air inlet hole; during operation, the magnetic plate 13 drives the magnetic balancing weight 19 and the piston 20 to move, the air pressure in the limiting hole and the air storage cavity 21 is gradually reduced, at this time, external air is sucked through the one-way valve in the air inlet hole, and after the forming screw 10 is separated from the fixed die 8, the piston 20 contacts the top surface of the wall of the limiting hole, so that the magnetic balancing weight 19 is limited to be separated from the magnetic plate 13, the magnetic balancing weight 19 separated from the magnetic plate 13 moves downwards under the action of gravity, so that the air in the limiting hole and the air storage cavity 21 is extruded, the air is simultaneously pushed to the jacking block 22 after being extruded, at this time, the jacking block 22 pushes the injection molded bottle cap to have a tendency to be separated from the fixed die 8, after the bottle cap is separated from the fixed die 8, the jacking block 22 slides out of the chute under the action of the air pressure, the outlet of the air storage cavity 21 is exposed out of the chute, and the air with overlarge internal pressure can be discharged through the air outlet passage 23, so that the air can be discharged out of the air passage 23, and the air cavity 8 can be formed into a certain degree of cleaning the inside of the cavity, and the cavity can be cleaned.
Example two
Comparative example one, wherein another embodiment of the present invention is: an air inlet pipe is arranged in the air inlet hole and connected with an external air pump, and an air pressure detection valve is arranged in the air storage cavity 21; during operation, through at the inside external air pump of inlet port, can realize independently aerifing to the inside drawing of patterns operation that realizes bottle lid and cover half 8 of gas storage chamber 21, and can the inside atmospheric pressure size change of real-time supervision gas storage chamber 21 through the atmospheric pressure check valve to judge the actual drawing of patterns effect of every cover half 8.
Working principle: the existing bottle cap automatic thread-removing die is fixed in the quantity and specification of the bottle cap produced by molding in the injection molding process, and the quantity and specification of the bottle cap cannot be changed, while in the embodiment of the invention, when the bottle cap automatic thread-removing die is used, firstly, the quantity of the bottle cap is determined, so that the quantity of the molding dies is determined, the size of the assembly frame 1 is adjusted according to the quantity to adapt to the plurality of molding dies, the plurality of molding dies are arranged in the assembly frame 1, the limiting plate 2 is limited by the limiting rod 3, meanwhile, a driving motor is arranged on one or more rotating gears 4, and other rotating gears 4 are connected by a chain or a gear belt;
then injection molding production is started on the bottle cap, firstly raw materials are injected into a molding cavity in the fixed die 8 through an injection molding groove 14, the screw thread part at the bottom of the molding screw 10 is arranged in the molding cavity, so that the injection molded bottle cap is internally provided with screw threads, different molding screw 10 can be selected to meet different bottle cap screw thread production requirements through a detachable mounting mode of the moving assembly 6 and the molding screw 10, and meanwhile, the types of the movable die 7 and the fixed die 8 are adjusted, so that the effect of producing multi-model screw bottle caps in a single time is achieved; after injection molding is finished, a driving motor is started to enable a rotating gear 4 to start rotating, the rotating gears 4 of other molding dies rotate together through a chain or a gear belt, the rotating gear 4 drives a moving assembly 6 to rotate after rotating, the moving assembly 6 rotates to drive a molding screw 10 to rotate, the molding screw 10 synchronously moves upwards when the bottle cap rotates because threads are generated inside the bottle cap at the moment, the molding screw 10 drives a lifting plate 5 to synchronously move upwards in the upward movement process, a telescopic guide rod 11 synchronously contracts in the upward movement process, the guiding effect is achieved, and after a period of delay, the lifting plate 5 drives a moving die 7 to be separated from a fixed die 8 through a transmission assembly, so that the automatic thread-removing injection molding effect is achieved; in summary, the embodiment of the invention achieves the effect of realizing simultaneous injection molding production of a plurality of plastic threaded bottle caps with multiple specifications according to production requirements, meets the changeable production environment and scene of enterprises, and has high applicability;
when the rotary gear 4 rotates, the rotary gear 4 drives the hollow cylinder 602 to rotate, the hollow cylinder 602 rotates to drive the rotary rod 603 and the limiting ball 604 to rotate, the rotary rod 603 and the limiting ball 604 apply axial force to the rotary shaft 601 in the rotating process, the rotary shaft 601 is driven to rotate, the rotary shaft 601 simultaneously moves upwards under the action of threads in the rotating process, the rotary shaft 601 drives the rotary rod 603 to rotate through the limiting groove so as to slide upwards, the effect that the rotary shaft 601 is rotated by applying rotating force and synchronously moves upwards in the rotating process is realized, the diameter of the limiting ball 604 is larger than that of the rotary rod 603, the cross section of the limiting groove is in a convex shape, the rotary rod 603, the limiting ball 604 and the rotary shaft 601 are more firmly arranged and are not easy to fall off, the multi-gear matching operation of the traditional automatic thread-removing die is replaced by the design, the service life of the gear is prolonged, and meanwhile, the space is saved;
in the process of upward movement of the lifting plate 5, the supporting rod 12 and the magnetic plate 13 are simultaneously driven to move upward together, and as the counter bore is formed in the movable die 7, when the magnetic plate 13 is not in contact with the top surface of the inner wall of the counter bore, the movement of the lifting plate 5 does not affect the movable die 7, and after the magnetic plate 13 is in contact with the top surface of the inner wall of the counter bore, the magnetic plate 13 can exert force on the movable die 7 at the moment, so that the movable die 7 is driven to move upward together, the effect of automatically separating the movable die 7 from the fixed die 8 in a delayed manner is achieved, and the purpose of automatic thread removal is achieved;
when the forming screw 10 is installed, firstly, the forming screw 10 is assembled to the bottom of the adjusting component 9 through the cooperation of the rubber guide post 901 and the guide hole in the forming screw 10, then the forming screw 10 is fixed through the fixing screw 904, and the fixing position of the fixing screw 904 can be adjusted through the design of the adjusting groove 903, so that the forming screw 10 with different diameters is adapted, meanwhile, the rubber guide post 901 is made of rubber materials and can be adapted to the guide holes with different sizes, so that the production requirements of adapting to bottle caps with different sizes are met, and the assembling mode through the fixing screw 904 is very convenient and fast, and the replacement and the maintenance are facilitated;
in the process of thread removal, the forming screw 10 can shake under the action of inertia force in the process of rotation, so that a certain degree of collision and vibration are generated, and the vibration is transmitted to the bottle cap in the fixed die 8, so that the bottle cap can vibrate synchronously to a certain degree, and the effect of facilitating the follow-up demolding of the bottle cap and the fixed die 8 is achieved;
in the injection molding process, raw materials are injected into a molding cavity through an injection molding groove 14, so that an injection molding water gap remains in the injection molding groove 14, in the separation process of a movable die 7 and a fixed die 8, the movable die 7 drives a dividing plate 15 to move upwards together, in the process, a bottle cap is not demoulded from the fixed die 8, so that the dividing plate 15 is contacted with the injection molding water gap, and at the moment, one side, close to the water gap, of the inside of the dividing plate 15 is in a blade shape through the arrangement of a chamfer 16, so that the dividing plate 15 cuts off the water gap from the bottle cap in the movement process, and the effect of automatic water gap removal is achieved;
in the moving process of the movable mould 7, the movable mould 7 drives the lifting plate 17 and the electric telescopic rod 18 to move simultaneously, the water gap can be supported through the design of the lifting plate 17 so as to facilitate water gap removal operation, meanwhile, the length of the electric telescopic rod 18 can be adjusted after cutting is difficult or cutting is completed, so that the water gap is inclined, the inclined water gap can be more convenient for cutting and can slide down along the lifting plate 17 after cutting, the quality and efficiency of water gap removal are improved, and meanwhile, the water gap residual injection molding groove 14 can not influence the next injection molding operation;
in the process of closing the movable die 7 and the fixed die 8, the magnetic plate 13 is inserted into the limit hole and is attracted to the magnetic balancing weight 19, so that the magnetic plate 13 synchronously drives the magnetic balancing weight 19 and the piston 20 to slide in the subsequent movement process, a certain movement resistance can be applied to the magnetic plate 13 through the design of the magnetic balancing weight 19 and the piston 20, and further a similar damping effect is achieved on the thread removing operation, the stability of the thread removing operation is improved, and the magnetic balancing weight 19 and the magnetic plate 13 are made of magnetic materials, so that the equipment considers the magnetic foundation of the selected materials in preparation, and the influence on the magnetic plate 13 and the magnetic balancing weight 19 is avoided;
in the process that the magnetic plate 13 drives the magnetic balancing weight 19 and the piston 20 to move, the air pressure in the limiting hole and the air storage cavity 21 is gradually reduced, at this time, external air is sucked through the one-way valve in the air inlet hole, after the movable die 7 is separated from the fixed die 8, the piston 20 contacts the top surface of the wall of the limiting hole, so that the magnetic balancing weight 19 is limited to be separated from the magnetic plate 13, the magnetic balancing weight 19 separated from the magnetic plate 13 moves downwards under the action of gravity, so that the air in the limiting hole and the air storage cavity 21 is extruded, thrust is applied to the jacking block 22 at the same time, at this time, the jacking block 22 pushes the molded bottle cap to be separated from the fixed die 8, part of bottle caps with good demolding effect can be directly separated from the fixed die 8 under the action of the jacking block 22, part of bottle caps with poor demolding effect need auxiliary separation, after the bottle caps are separated from the fixed die 8, the jacking block 22 slides out of the chute under the action of the air pressure, the air outlet duct 23 is separated from the inner wall of the chute, and the air in the air storage cavity 21 is extruded, the air is discharged out of the fixed die 8 through the air outlet duct 23, and the air in a certain degree of the cavity is cleaned, and the air cavity is blown into the cavity 8;
through external air pump in the inside external air inlet port, can realize independently aerifing to the inside drawing of patterns operation that realizes bottle lid and cover half 8 of gas storage chamber 21, and can monitor the inside atmospheric pressure size change of gas storage chamber 21 in real time through the atmospheric pressure detection valve to judge the actual drawing of patterns effect of every cover half 8.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (8)
1. An automatic thread-removing injection mold for bottle caps, which is characterized in that: the assembly frame comprises an assembly frame (1), wherein a plurality of forming dies are arranged in the assembly frame (1), and a limiting rod (3) is inserted between the forming dies and the inner wall of the assembly frame (1);
the injection mold comprises a limiting plate (2), a lifting plate (5), a movable mold (7) and a fixed mold (8), wherein the movable mold (7) is matched with the fixed mold (8), the limiting plate (2) is inserted into a limiting rod (3), a rotating gear (4) is arranged at the top of the limiting plate (2), a moving assembly (6) is arranged between the rotating gear (4) and the lifting plate (5), a forming screw (10) is arranged at the bottom end of the moving assembly (6), the moving assembly (6) is used for driving the forming screw (10) to rotate, the diameter of the forming screw (10) is larger than that of the moving assembly (6), a telescopic guide rod (11) is arranged between the limiting plate (2) and the lifting plate (5), a forming mold cavity is formed in the fixed mold (8), a threaded part at the bottom end of the forming screw (10) is arranged in the forming mold cavity, injection grooves (14) communicated with the forming mold cavity are formed in the moving mold (7) and the fixed mold (8), and a time delay transmission assembly (7) is arranged at the bottom surface of the four corners of the lifting plate (5) and is used for separating the moving assembly from the fixed mold (8);
the motion assembly (6) comprises a rotation shaft (601), the rotation shaft (601) is in through connection with a lifting plate (5), a hollow cylinder (602) is sleeved at the top end of the rotation shaft (601), the hollow cylinder (602) is in through connection with a limiting plate (2) and is fixedly connected with a rotation gear (4), a plurality of rotation rods (603) are rotatably connected to the bottom end of the inner wall of the hollow cylinder (602), the rotation rods (603) are distributed in a circumferential array, a limiting ball (604) is connected to one end, far away from the hollow cylinder (602), of each rotation rod (603), a plurality of limiting grooves are formed in the outer portion of the rotation shaft (601), the rotation rods (603) and the limiting balls (604) are arranged in the limiting grooves, and the diameter of each limiting ball (604) is larger than that of each rotation rod (603);
the forming screw (10) and the moving assembly (6) are arranged between the forming screw (9) and the moving assembly (6), the adjusting assembly (9) comprises an adjusting disc (902), the adjusting disc (902) is fixedly connected with the bottom end of a rotating shaft (601), the diameter of the adjusting disc (902) is larger than that of the rotating shaft (601), a plurality of adjusting grooves (903) are formed in the adjusting disc (902), the adjusting grooves (903) are distributed in a circumferential array, fixing screws (904) are inserted in the adjusting grooves (903), threaded holes matched with the fixing screws (904) are formed in the top end of the forming screw (10), rubber guide posts (901) are fixedly connected to the bottom surface of the adjusting disc (902), and guide holes matched with the rubber guide posts (901) are formed in the forming screw (10).
2. The automatic thread-removing injection mold of a bottle cap according to claim 1, wherein: the transmission assembly comprises a supporting rod (12), the supporting rod (12) is connected with the lifting plate (5) through threads, a magnetic plate (13) is connected to the bottom end of the supporting rod (12) through threads, the diameter of the magnetic plate (13) is larger than that of the supporting rod (12), a counter bore is formed in the movable die (7) in a penetrating mode, and the counter bore is formed in the position, the depth and the supporting rod (12) and the magnetic plate (13) in a matching mode.
3. The automatic thread-removing injection mold of a bottle cap according to claim 1, wherein: a plurality of collision balls (24) are placed in the guide holes, and the collision balls (24) are made of metal materials without magnetism.
4. The automatic thread-removing injection mold of a bottle cap according to claim 1, wherein: the movable mould (7) bottom surface fixedly connected with cuts apart board (15), the draw-in groove with cut apart board (15) looks adaptation is offered to the top surface of cover half (8) and the outside that is located the shaping die cavity, cut apart the inside hole of moulding plastics of offering with a pair of groove (14) looks adaptation that moulds plastics of board (15), cut apart inside and be located the hole department of moulding plastics of board (15) and offered chamfer (16), make the inside position that just is located the hole bottom of moulding plastics of cutting apart board (15) through the setting of chamfer (16) be the cutting edge form.
5. The automatic thread-off injection mold of a bottle cap according to claim 4, wherein: the injection molding device is characterized in that a pair of lifting plates (17) are inserted into the movable mold (7) and positioned outside the injection molding groove (14), an electric telescopic rod (18) is installed between one lifting plate (17) and the movable mold (7), and injection molding holes matched with the pair of injection molding grooves (14) are formed in the lifting plate (17).
6. The automatic thread-removing injection mold for bottle caps according to claim 2, wherein: limiting holes are formed in the fixed die (8) and located at corresponding positions of the magnetic plates (13), magnetic balancing weights (19) are connected to the limiting holes in a sliding mode, pistons (20) are fixedly connected to the bottom ends of the magnetic balancing weights (19) in a sliding mode, the diameter of each piston (20) is larger than that of each magnetic balancing weight (19), and the limiting holes are matched with the magnetic balancing weights (19) and the pistons (20).
7. The automatic thread-removing injection mold of a bottle cap according to claim 1, wherein: the inside of cover half (8) and be located shaping die cavity position department sliding connection have a plurality of jacking piece (22), the cross-section of jacking piece (22) is "worker" font, the spout with jacking piece (22) looks adaptation has been seted up to the inside of cover half (8), exhaust passage (23) have been seted up to jacking piece (22) inside, and exhaust passage (23) are laminated with the inner wall of spout under the initial condition, gas storage chamber (21) have been seted up to the inside of cover half (8) and the below that is located jacking piece (22), gas storage chamber (21) and spacing hole intercommunication, the inside of cover half (8) and the outside that is located gas storage chamber (21) have been seted up the inlet port, inlet port and gas storage chamber (21) intercommunication, inlet port internally mounted has the check valve.
8. The automatic thread-off injection mold of a bottle cap according to claim 7, wherein: the method comprises the following steps: an air inlet pipe is arranged in the air inlet hole and connected with an external air pump, and an air pressure detection valve is arranged in the air storage cavity (21).
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| CN202310798895.7A CN116512534B (en) | 2023-07-03 | 2023-07-03 | Automatic thread-removing injection mold for bottle caps |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214820559U (en) * | 2021-03-02 | 2021-11-23 | 苏州斯密勤精密模具有限公司 | Injection mold for plastic outer cover of cosmetic packaging bottle |
| CN215550651U (en) * | 2021-06-24 | 2022-01-18 | 东莞市东方模胚有限公司 | Bottle lid injection mold convenient to drawing of patterns |
| CN113997524A (en) * | 2021-11-03 | 2022-02-01 | 安徽龙锐模塑有限公司 | Precise automobile part injection molding equipment convenient for demolding and demolding method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214820559U (en) * | 2021-03-02 | 2021-11-23 | 苏州斯密勤精密模具有限公司 | Injection mold for plastic outer cover of cosmetic packaging bottle |
| CN215550651U (en) * | 2021-06-24 | 2022-01-18 | 东莞市东方模胚有限公司 | Bottle lid injection mold convenient to drawing of patterns |
| CN113997524A (en) * | 2021-11-03 | 2022-02-01 | 安徽龙锐模塑有限公司 | Precise automobile part injection molding equipment convenient for demolding and demolding method |
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