CN117087093A - Plastic zipper upper and lower stop injection molding device and method thereof - Google Patents
Plastic zipper upper and lower stop injection molding device and method thereof Download PDFInfo
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- CN117087093A CN117087093A CN202311351848.4A CN202311351848A CN117087093A CN 117087093 A CN117087093 A CN 117087093A CN 202311351848 A CN202311351848 A CN 202311351848A CN 117087093 A CN117087093 A CN 117087093A
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- injection molding
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 title abstract description 9
- 239000002002 slurry Substances 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 9
- 208000012661 Dyskinesia Diseases 0.000 claims description 48
- 238000007790 scraping Methods 0.000 claims description 15
- 230000033001 locomotion Effects 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 12
- 230000003068 static effect Effects 0.000 claims description 10
- 238000007664 blowing Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000465 moulding Methods 0.000 abstract description 18
- 125000004122 cyclic group Chemical group 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 description 19
- 230000009471 action Effects 0.000 description 7
- 230000003139 buffering effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 206010000372 Accident at work Diseases 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- B29C45/1756—Handling of moulds or mould parts, e.g. mould exchanging 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
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
- B29C45/5605—Rotatable mould parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7337—Heating or cooling of the mould using gas or steam
-
- 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
- B29C45/84—Safety devices
Abstract
The invention relates to an injection molding device and a method for upper and lower stops of a plastic zipper, belonging to the technical field of injection molding of zippers; the linkage motor is arranged on the installation square plate and is connected with the cyclic shaking assembly; the circulating shaking assembly comprises a linkage square block arranged at the output end of the linkage motor, and the linkage square block is connected with a linkage square groove arranged on the linkage cam. According to the invention, through circularly shaking the assembly, the injection molding module reciprocally rotates through the guide rotating shaft, so that the speed of slurry flowing in the mold cavity for molding is improved, and the injection molding efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of injection molding of zippers, and particularly relates to an injection molding device and method for upper and lower stops of a plastic zipper.
Background
The slide fastener is a connecting piece for combining or separating articles by means of continuously arranged fastener elements, and is currently used for clothing, bags, tents and the like in a large number. The zipper consists of a zipper tooth, a pull head, an upper stop (a front code and a rear code) or a locking piece and the like. Among them, the element is a key part which directly determines the side pull strength of the slide fastener. The common zipper is provided with two chain belts, each chain belt is provided with a row of zipper teeth, and the two rows of zipper teeth are mutually staggered. The pull head clamps the two side chain teeth, and the two side chain teeth can be meshed with or separated from each other by sliding the pull tab.
The upper stop and the lower stop are also key parts, and the upper stop is fixed on the dental chain belt and used for limiting the sliding of the slider out of the dental chain belt when the dental chain is pulled, the lower stop is fixed on the dental chain belt and used for limiting the sliding of the slider out of the dental chain belt when the dental chain is pulled, and the two dental chain belts can not be completely separated.
The upper stop and the lower stop are generally formed by injection molding through an injection mold, and in the injection molding process, the upper stop and the lower stop of the plastic zipper in the prior art are difficult to quickly flow and mold in a mold cavity due to overlong length of the zipper belt in a molding stage after injection molding, so that the injection molding efficiency is reduced.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides an injection molding device for upper and lower stops of a plastic zipper and a method thereof, which effectively solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the plastic zipper upper and lower stopper injection molding device comprises a bottom plate, wherein an installation square plate is arranged on the bottom plate, and the installation square plate is connected with the bottom plate through bolts; the linkage motor is arranged on the installation square plate and is connected with the cyclic shaking assembly;
the circulating swing assembly comprises a linkage square block arranged at the output end of the linkage motor, and the linkage square block is connected with a linkage square groove arranged on the linkage cam; the linkage cam is connected with the touch round wheel in a matched manner, the touch round wheel is provided with a touch round rod, two ends of the touch round rod are connected with the touch clamping blocks, the touch clamping blocks are symmetrically provided with extension different rods, and the extension different rods are connected with the slow-distance touch mechanism;
the touch clamping block is fixedly provided with a guide square rod, and the guide square rod passes through a guide base arranged on the bottom plate and is connected with the guide rack; the guide square rod is sleeved with a guide spring, one end of the guide spring is fixedly connected with the touch clamping block, and the other end of the guide spring is fixedly connected with the guide base; the guide rack is meshed with the guide gear, a guide rotating shaft is arranged on the guide gear, one end of the guide rotating shaft penetrates through an auxiliary base arranged on the bottom plate and is fixedly connected with the injection molding module, and an injection molding opening is formed in the injection molding module; the other end of the auxiliary base penetrates through the auxiliary base and is fixedly connected with the abnormal limiting block, two sides of the abnormal limiting block are slidably connected with the abnormal limiting rod, and two ends of the abnormal limiting rod are fixedly connected with the abnormal base arranged on the auxiliary base; the abnormal movement limiting rod is sleeved with an abnormal movement spring, one end of the abnormal movement spring is fixedly connected with the abnormal movement base, and the other end of the abnormal movement spring is fixedly connected with the abnormal movement limiting block.
Preferably, the slow distance touch mechanism comprises slow distance square plates arranged on the extension different rods, slow distance bases are symmetrically arranged on the slow distance square plates, the slow distance bases are connected with the slow distance square rods together, slow distance square blocks are symmetrically and slidably arranged on the slow distance square rods, and the slow distance square blocks are connected with the slow distance bases through a displacement limiting unit; and the slow-pitch square rod is sleeved with a slow-pitch spring, and two ends of the slow-pitch spring are fixedly connected with the slow-pitch square block.
Preferably, an active clamping block is fixedly arranged on the slow-distance square block, a slow-moving rack is arranged on the active clamping block, and the slow-moving rack is connected with the speed-increasing air blowing component; the driving clamping blocks are provided with driving clamping rods, the driving clamping rods are connected with the hinging blocks, the hinging blocks are provided with driven clamping rods, two ends of each driven clamping rod are connected with the driven clamping blocks, the two driven clamping blocks are connected with the movable square plates together, and the movable square plates are provided with buffer cushions.
Preferably, the displacement limiting unit comprises abnormal movement guide rods arranged on two sides of the slow distance square, and the abnormal movement guide rods are connected with abnormal movement sleeves fixedly arranged on the slow distance base in a matched manner; and a movable contact piece is fixedly arranged in the abnormal sleeve, the movable contact piece is connected with a static contact piece arranged on the abnormal guide rod in a matched manner, and the movable contact piece and the static contact piece are respectively electrically connected with a control box arranged on the bottom plate.
Preferably, the speed-raising blowing assembly comprises a slow gear which is connected with a slow rack in a meshed mode, a slow rotating shaft is arranged on the slow gear, the slow rotating shaft penetrates through a slow base fixedly arranged on a slow square plate and then is connected with a driven bevel gear, the driven bevel gear is connected with a driving bevel gear in a meshed mode, the driving bevel gear is provided with a driving rotating shaft, and the driving rotating shaft is connected with a reciprocating scraping mechanism.
Preferably, the driving bevel gear is engaged with and connected with a directional moving bevel gear, a directional moving rotating shaft is arranged on the directional moving bevel gear, the directional moving rotating shaft passes through a multidirectional base arranged on the slow moving base and then is connected with a linkage pulley, the linkage pulley is connected with the linkage pulley through a transmission belt, the linkage pulley is provided with a matching rotating shaft, and the matching rotating shaft passes through a matching base arranged on the multidirectional base and then is connected with a plurality of blades.
Preferably, the reciprocating scraping mechanism comprises a stop disc arranged on the driving rotating shaft, a lifting round rod is arranged on the stop disc, and the lifting round rod is in sliding connection with a rectangular square groove arranged on the rectangular square block; the directional rods are symmetrically arranged on one side of the rectangular square block, and the directional rods are fixedly connected with the directional circular plate after passing through the directional base arranged on the multidirectional base; the directional rod is sleeved with a directional spring, one end of the directional spring is fixedly connected with the directional circular plate, and the other end of the directional spring is fixedly connected with the directional base.
Preferably, an auxiliary long rod is fixedly arranged on the other side of the rectangular square block, the auxiliary long rod is fixedly connected with a flexible scraping plate, and the flexible scraping plate is connected with an injection molding module in a matched mode.
The invention also provides an injection molding method for the upper and lower stops of the plastic zipper, which comprises the following steps:
step one, starting a linkage motor, so that a linkage square block on the output end of the linkage motor drives a linkage cam to rotate through a linkage square groove, and the linkage cam is in reciprocating contact with the surface of a touch round wheel;
when the linkage cam contacts the touch round wheel during rotation, the touch round wheel is limited to move in the guide base through the guide square rod arranged on the touch clamping block, and the guide spring is in a buffer state, so that the guide rack is driven to move;
when the linkage cam is not contacted with the touch round wheel any more, the reset movement of the guide spring drives the guide square rod to reset, so that the guide rack on the guide square rod resets, and the guide rack reciprocates, and the guide rack is meshed with the guide gear to reciprocate;
fourthly, limiting and reciprocating movement of the abnormal movement limiting block on one end of the guide rotating shaft in the abnormal movement limiting rod through the guide gear, so that the abnormal movement spring is in a buffering and resetting state continuously;
and fifthly, the injection molding module on the other end of the guide rotating shaft reciprocates by taking the guide rotating shaft as a circle center, and meanwhile, the injection molding module is arranged to be vertically arranged, an injection port is arranged right above, and the flowing speed of slurry is accelerated.
Compared with the prior art, the invention has the beneficial effects that:
(1) After the injection molding and locking operation of the injection molding module is finished, the linkage motor is started in the middle of waiting for molding, so that a linkage square block on the output end of the linkage motor drives the linkage cam to rotate through the linkage square groove, and the linkage cam is in reciprocating contact with the surface of the touch round wheel; when the linkage cam contacts the touch round wheel during rotation, the linkage cam is enabled to move in a limiting manner in the guide base through a guide square rod arranged on the touch clamping block, so that the guide spring is in a buffer state, and the guide rack is driven to move; when the linkage cam is not contacted with the touch round wheel any more, the reset movement of the guide spring drives the guide square rod to reset, so that the guide rack on the guide square rod is reset, the guide rack is enabled to reciprocate, the guide gear is meshed with the guide rack to reciprocate, the abnormal limiting block on one end of the guide rotating shaft is enabled to limit and reciprocate in the abnormal limiting rod, the abnormal spring is enabled to be in a buffer and reset state continuously, then the injection molding module on the other end is enabled to rotate in a reciprocating mode with the guide rotating shaft as the circle center in a small amplitude, meanwhile, the injection molding module is arranged to be vertically arranged, the injection port is arranged right above, the slurry flowing speed is accelerated, meanwhile, the injection molding module is enabled to rotate in a reciprocating mode through the description, and the fact that the length of a zipper chain is too long, so that a large amount of time is consumed in the die cavity for flow molding is avoided, and molding quality is affected; thereby improving the efficiency of injection molding, and improving the speed of slurry flowing and molding in a mold cavity, so as to accelerate the speed of zipper molding; meanwhile, the initial state of the injection molding module is an inclined state;
(2) When the two slow-distance blocks relatively move, the abnormal movement guide rods on the two sides of the slow-distance blocks gradually enter the abnormal movement sleeve, so that the stability of the slow-distance blocks during movement is improved, and meanwhile, the static contact pieces on the abnormal movement guide rods are not contacted with the dynamic contact pieces arranged in the abnormal movement sleeve under normal conditions; when the injection molding module rotates after long-term work, the rotating angle gradually deviates, when the rotating angle of the injection molding module exceeds the expected maximum angle, the static contact piece on the abnormal guide rod is contacted with the movable contact piece in the abnormal sleeve, so that a signal is sent to the control box, an alarm unit arranged in the control box gives an alarm to remind an operator, and meanwhile, the control box synchronously closes the linkage motor, so that the injection molding module stops rotating, the occurrence of industrial accidents caused by further damage is avoided, the safety of the operation of the device is ensured, and the limitation of the device in use is reduced;
(3) The driving rotating shaft drives the stop disc to rotate when rotating, so that the stop disc rotates through the cooperation of the lifting round rod and the rectangular square groove, one side of the rectangular square block is in limit reciprocating movement in the directional base through the directional rod, the directional spring is in a buffer and reset state continuously, the other side of the rectangular square block drives the flexible scraping plate to reciprocate, the flexible scraping plate on one side can scrape and clean the surface of the injection molding module, meanwhile, the flexible scraping plate on the other side can be symmetrically arranged (not shown in the figure), so that burrs generated in the injection molding process can be scraped and cleaned, and uneven burrs are prevented from affecting molding quality;
(4) When the touch clamping block moves forwards, the slow-distance square plate on the extension different rod is driven to move forwards, and meanwhile, when the injection molding module rotates, the moving directions of the two movable square plates are equal, so that one movable square plate moves towards the injection molding module, and the other movable square plate moves towards the opposite direction of the injection molding module; the movable square plate is contacted with the side surface of the rotary injection molding module, meanwhile, damage to the side surface of the injection molding module is avoided through the buffer cushion, meanwhile, the movable square plate is matched with the driven clamping blocks, the driven clamping rods, the hinging blocks, the driving clamping rods and the driving clamping blocks through the driven clamping blocks, the slow square blocks on the two driving clamping blocks are limited in the slow square rods to move relatively, the slow spring is in a buffer state, the injection molding module is enabled to have larger force under the action of inertia when rotating, and the buffer force generated through the description is offset with the impact force generated when the injection molding module rotates to the maximum position, so that the stability of slurry in the injection molding module is improved when the slurry is accelerated to flow molding;
(5) When the slow-distance square block moves, the slow-motion racks arranged on the slow-distance square block synchronously move, the meshed slow-motion gears rotate, the driven bevel gears on the slow-motion rotating shafts are meshed with the driving bevel gears to rotate, and due to the fact that the sizes of the two bevel gears are different, when the larger driven bevel gears are meshed with the smaller driving bevel gears, the driving rotating shafts on the driving bevel gears rapidly rotate, the rotating speeds of the driving rotating shafts are faster than those of the slow-motion rotating shafts, meanwhile, the rotating speeds of the linkage pulleys on the moving rotating shafts are the same as those of the driving rotating shafts, and meanwhile, the linkage pulleys rotate through the action of the driving belt, so that the matched rotating shafts on the matched pulleys rotate, a plurality of blades rapidly rotate, the surface of the injection molding module can be cooled by wind force caused, the speed of slurry flow molding is accelerated, meanwhile, a large amount of unpleasant peculiar smell can be generated in the injection molding process, the speed of peculiar smell can be accelerated through the description, and the injection molding efficiency is indirectly improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.
In the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a linkage block structure according to the present invention;
FIG. 3 is a schematic view of a structure of a pitch square plate according to the present invention;
FIG. 4 is a schematic view of a vane structure according to the present invention;
FIG. 5 is a schematic view of a guide rack structure according to the present invention;
FIG. 6 is a schematic view of the driven bevel gear structure of the present invention;
FIG. 7 is a schematic view of a hinge block according to the present invention;
FIG. 8 is a schematic view of the auxiliary base structure of the present invention;
FIG. 9 is a schematic diagram of a rectangular block structure of the present invention;
in the figure: 1. a bottom plate; 2. installing a square plate; 3. a linkage motor; 4. a linkage square; 5. a linked cam; 6. a linkage square groove; 7. touching the round wheel; 8. touching the round rod; 9. touching the clamping block; 10. extending the different rod; 11. slowly spacing square plates; 12. a slow distance base; 13. slowly spacing square rods; 14. a slow distance square; 15. a slow-distance spring; 16. an active clamping block; 17. slowly moving the rack; 18. an active clamping rod; 19. a hinged block; 20. a driven clamping bar; 21. a driven clamping block; 22. attaching a square plate; 23. a cushion pad; 24. a differential guide rod; 25. a transaction sleeve; 26. a movable contact; 27. a stationary contact; 28. a control box; 29. a slow-moving gear; 30. slowly moving the rotating shaft; 31. slowly moving the base; 32. a driven bevel gear; 33. a drive bevel gear; 34. a driving rotating shaft; 35. a guide square rod; 36. a guide base; 37. a guide rack; 38. a guide spring; 39. a guide gear; 40. a guide rotating shaft; 41. an auxiliary base; 42. an injection molding module; 43. an injection molding port; 44. a transaction limiting block; 45. a differential limiting rod; 46. a transaction base; 47. a spring for abnormal movement; 48. a bevel gear is moved to the direction; 49. a moving rotating shaft; 50. a multidirectional base; 51. a linkage pulley; 52. a transmission belt; 53. a movable pulley is matched; 54. a rotating shaft is matched; 55. a motion base; 56. a blade; 57. a stop disc; 58. the round rod is picked up; 59. rectangular blocks; 60. square groove; 61. a directional rod; 62. a directional base; 63. a directional circular plate; 64. a directional spring; 65. an auxiliary rod; 66. the scraper is moved flexibly.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment is shown in fig. 1 to 9, and the invention comprises a bottom plate 1, wherein an installation square plate 2 is arranged on the bottom plate 1, and the installation square plate 2 is connected with the bottom plate 1 through bolts; the linkage motor 3 is arranged on the installation square plate 2, and the linkage motor 3 is connected with the cyclic shaking assembly; the circulating swing assembly comprises a linkage square block 4 arranged on the output end of the linkage motor 3, and the linkage square block 4 is connected with a linkage square groove 6 arranged on a linkage cam 5; the linkage cam 5 is connected with the touch round wheel 7 in a matched manner, the touch round wheel 7 is provided with a touch round rod 8, two ends of the touch round rod 8 are connected with a touch clamping block 9, the touch clamping block 9 is symmetrically provided with an extension different rod 10, and the extension different rod 10 is connected with a slow-distance touch mechanism; a guide square rod 35 is fixedly arranged on the touch clamping block 9, and the guide square rod 35 passes through a guide base 36 arranged on the bottom plate 1 and is connected with a guide rack 37; a guide spring 38 is sleeved on the guide square rod 35, one end of the guide spring 38 is fixedly connected with the touch clamping block 9, and the other end of the guide spring 38 is fixedly connected with the guide base 36; the guide rack 37 is meshed with the guide gear 39, a guide rotating shaft 40 is arranged on the guide gear 39, one end of the guide rotating shaft 40 passes through an auxiliary base 41 arranged on the bottom plate 1 and is fixedly connected with an injection molding module 42, and an injection molding opening 43 is arranged on the injection molding module 42; the other end passes through the auxiliary base 41 and is fixedly connected with the abnormal movement limiting block 44, two sides of the abnormal movement limiting block 44 are slidably connected with the abnormal movement limiting rod 45, and two ends of the abnormal movement limiting rod 45 are fixedly connected with the abnormal movement base 46 arranged on the auxiliary base 41; the abnormal movement limiting rod 45 is sleeved with an abnormal movement spring 47, one end of the abnormal movement spring 47 is fixedly connected with the abnormal movement base 46, and the other end of the abnormal movement spring is fixedly connected with the abnormal movement limiting block 44;
after the injection molding and clamping operation of the injection molding module 42 is finished, an operator waits for the middle part of the molding, and starts the linkage motor 3 to drive the linkage square block 4 on the output end of the linkage motor to drive the linkage cam 5 to rotate through the linkage square groove 6 so that the linkage cam is in reciprocating contact with the surface of the touch round wheel 7; when the linkage cam 5 contacts the touch round wheel 7 during rotation, the linkage cam is limited to move in the guide base 36 through the guide square rod 35 arranged on the touch clamping block 9, so that the guide spring 38 is in a buffer state, and the guide rack 37 is driven to move; when the linkage cam 5 no longer contacts the touch round wheel 7, the reset movement of the guide spring 38 drives the guide square rod 35 to reset, so that the guide rack 37 on the guide square rod 35 is reset, the guide rack 37 is enabled to reciprocate, the guide gear 39 is meshed with the guide rack 37 to reciprocate, the abnormal limiting block 44 on one end of the guide rotating shaft 40 is enabled to limit and reciprocate in the abnormal limiting rod 45, the abnormal spring 47 is enabled to be in a buffering and resetting state continuously, the injection molding module 42 on the other end is enabled to rotate reciprocally by a small extent by taking the guide rotating shaft 40 as a circle center, meanwhile, the injection molding module 42 is arranged to be vertically arranged, the injection molding opening 43 is arranged right above, the flowing speed of slurry in the cavity of the injection molding module 42 is accelerated, meanwhile, the injection molding module 42 is enabled to rotate reciprocally through the description, the fact that a large amount of time consumed by the length of a zipper chain is excessively long to flow and molding in the cavity is avoided, and molding quality is affected; thereby improving the efficiency of injection molding, and improving the speed of slurry flowing and molding in a mold cavity, so as to accelerate the speed of zipper molding; while the initial state of the injection molding die set 42 is an inclined state.
The slow distance touch mechanism of the embodiment comprises a slow distance square plate 11 arranged on an extension different rod 10, slow distance bases 12 are symmetrically arranged on the slow distance square plate 11, the slow distance bases 12 are connected with a slow distance square rod 13 together, slow distance square blocks 14 are symmetrically and slidably arranged on the slow distance square rod 13, and the slow distance square blocks 14 are connected with the slow distance bases 12 through a displacement limiting unit; a slow-pitch spring 15 is sleeved on the slow-pitch square rod 13, and two ends of the slow-pitch spring 15 are fixedly connected with the slow-pitch square block 14; the active clamping block 16 is fixedly arranged on the macro block 14, the slow moving rack 17 is arranged on the active clamping block 16, and the slow moving rack 17 is connected with the speed-up blowing component; the driving clamping block 16 is provided with a driving clamping rod 18, the driving clamping rod 18 is connected with a hinging block 19, the hinging block 19 is provided with a driven clamping rod 20, two ends of the driven clamping rod 20 are connected with driven clamping blocks 21, the two driven clamping blocks 21 are jointly connected with a movable square plate 22, and a buffer cushion 23 is arranged on the movable square plate 22;
when the touch clamping block 9 moves forwards, the slow-distance square plate 11 on the extension different rod 10 is driven to move forwards, and meanwhile, when the injection molding module 42 rotates, the moving directions of the two movable square plates 22 are equal, so that one movable square plate 22 moves towards the injection molding module 42, and the other movable square plate 22 moves towards the opposite direction of the injection molding module 42; the movable square plate 22 is contacted with the side surface of the injection molding module 42 which rotates, meanwhile, the cushion pad 23 is used for avoiding damage to the side surface of the injection molding module 42, and meanwhile, the movable square plate 22 is matched with the driven clamping blocks 21, the driven clamping rods 20, the hinging blocks 19, the driving clamping rods 18 and the driving clamping blocks 16 through the driven clamping blocks, so that the macro blocks 14 on the two driving clamping blocks 16 are limited to move relatively in the macro square rods 13, the macro springs 15 are in a buffering state, the force brought by the injection molding module 42 is larger under the action of inertia during rotation, and the buffering force generated through the description is offset with the impact force generated by the injection molding module 42 during rotation to the maximum position, so that the stability of slurry in the injection molding module 42 during acceleration flow molding is improved.
The displacement limiting unit of the embodiment comprises a differential guide rod 24 arranged on two sides of the macro block 14, wherein the differential guide rod 24 is connected with a differential sleeve 25 fixedly arranged on the macro base 12 in a matched manner; a movable contact piece 26 is fixedly arranged in one abnormal movement sleeve 25, the movable contact piece 26 is connected with a static contact piece 27 arranged on the abnormal movement guide rod 24 in a matched manner, and the movable contact piece 26 and the static contact piece 27 are respectively and electrically connected with a control box 28 arranged on the bottom plate 1;
when the two macro blocks 14 move relatively, the abnormal guide rods 24 on the two sides of the macro blocks 14 gradually enter the abnormal sleeve 25, so that the stability of the macro blocks 14 during movement is improved, and meanwhile, the static contact pieces 27 on the abnormal guide rods 24 are not contacted with the movable contact pieces 26 arranged in the abnormal sleeve 25 under normal conditions; when the injection molding module 42 rotates after long-term working, the rotating angle gradually deviates, when the rotating angle of the injection molding module 42 exceeds the expected maximum angle, the static contact piece 27 on the abnormal movement guide rod 24 contacts the movable contact piece 26 in the abnormal movement sleeve 25, so that a signal is sent to the control box 28, an alarm unit arranged in the control box 28 sends an alarm to remind an operator, and meanwhile, the control box 28 synchronously closes the linkage motor 3, so that the injection molding module 42 stops rotating, further damage is avoided, industrial accidents are caused, the safety of the operation of the device is ensured, and the limitation of the device in use is reduced.
The speed-up blowing assembly of the embodiment comprises a slow gear 29 which is in meshed connection with a slow rack 17, a slow rotating shaft 30 is arranged on the slow gear 29, the slow rotating shaft 30 penetrates through a slow base 31 fixedly arranged on a slow square plate 11 and is then connected with a driven bevel gear 32, the driven bevel gear 32 is in meshed connection with a driving bevel gear 33, a driving rotating shaft 34 is arranged on the driving bevel gear 33, and the driving rotating shaft 34 is connected with a reciprocating scraping mechanism; the drive bevel gear 33 is engaged with the driven bevel gear 48, a driven rotating shaft 49 is arranged on the driven bevel gear 48, the driven rotating shaft 49 passes through a multidirectional base 50 arranged on the slow moving base 31 and then is connected with a linkage pulley 51, the linkage pulley 51 is connected with a matched movable pulley 53 through a transmission belt 52, a matched rotating shaft 54 is arranged on the matched movable pulley 53, and the matched rotating shaft 54 passes through a matched base 55 arranged on the multidirectional base 50 and then is connected with a plurality of blades 56;
when the slow-distance square block 14 moves, the slow-moving rack 17 arranged on the slow-distance square block moves synchronously, the meshed slow-moving gear 29 rotates, the driven bevel gear 32 on the slow-moving rotating shaft 30 is meshed with the driving bevel gear 33 to rotate, the larger driven bevel gear 32 is meshed with the smaller driving bevel gear 33 due to different sizes of the two bevel gears, the driving rotating shaft 34 on the driving bevel gear 33 rotates rapidly, the rotating speed of the driving rotating shaft 34 is faster than that of the slow-moving rotating shaft 30, meanwhile, the driven bevel gear 48 rotates rapidly, the rotating speed of the linkage pulley 51 on the driven rotating shaft 49 is the same as that of the driving rotating shaft 34, meanwhile, the linkage pulley 51 rotates under the action of the driving belt 52, the matched rotating shaft 54 on the matched pulley 53, so that the blades 56 rotate rapidly, the surface of the injection molding module 42 can be cooled by wind force caused by the difference of the two bevel gears, the speed of slurry flow molding is accelerated, meanwhile, the bad odor can be dissipated rapidly in the injection molding process, and the efficiency of injection molding can be indirectly improved.
The reciprocating scraping mechanism of the embodiment comprises a stop disc 57 arranged on the driving rotating shaft 34, wherein a picking round rod 58 is arranged on the stop disc 57, and the picking round rod 58 is in sliding connection with a square rectangular groove 60 arranged on a rectangular square block 59; the directional rods 61 are symmetrically arranged on one side of the rectangular square 59, and the directional rods 61 penetrate through the directional base 62 arranged on the multidirectional base 50 and are fixedly connected with the directional circular plate 63; the directional rod 61 is sleeved with a directional spring 64, one end of the directional spring 64 is fixedly connected with a directional circular plate 63, and the other end of the directional spring 64 is fixedly connected with a directional base 62; an auxiliary long rod 65 is fixedly arranged on the other side of the rectangular square 59, the auxiliary long rod 65 is fixedly connected with a flexible scraper 66, and the flexible scraper 66 is connected with the injection molding module 42 in a matching way;
the driving rotating shaft 34 drives the stop disc 57 to rotate when rotating, so that the stop disc 57 rotates through the cooperation of the lifting round rod 58 and the square rectangular groove 60, one side of the rectangular square block 59 is in a buffering and resetting state through the limiting reciprocating movement of the directional rod 61 in the directional base 62, the other side of the rectangular square block 59 drives the flexible scraping plate 66 to reciprocate, the surface of the injection molding module 42 is scraped and cleaned, meanwhile, the flexible scraping plate 66 on one side can be symmetrically arranged (not shown in the drawing), and accordingly burrs generated in the injection molding process can be scraped and cleaned, and the influence of uneven burrs on molding quality is avoided.
The invention also provides an injection molding method for the upper and lower stops of the plastic zipper, which comprises the following steps:
step one, starting a linkage motor 3, so that a linkage square block 4 on the output end of the linkage motor drives a linkage cam 5 to rotate through a linkage square groove 6, and the linkage cam is in reciprocating contact with the surface of a touch round wheel 7;
step two, when the linkage cam 5 contacts the touch round wheel 7 during rotation, the touch round wheel 7 is limited to move in the guide base 36 through the guide square rod 35 arranged on the touch clamping block 9, and the guide spring 38 is in a buffer state, so that the guide rack 37 is driven to move;
when the linkage cam 5 is not contacted with the touch round wheel 7 any more, the reset movement of the guide spring 38 drives the guide square rod 35 to reset, so that the guide rack 37 on the guide square rod 35 resets, and the guide rack 37 reciprocates, and the guide rack 37 is meshed with the guide gear 39 to reciprocate;
fourthly, a abnormal movement limiting block 44 at one end of the guiding rotating shaft 40 is limited and reciprocated in an abnormal movement limiting rod 45 through a guiding gear 39, so that an abnormal movement spring 47 is in a buffering and resetting state continuously;
and fifthly, the injection molding module 42 on the other end of the guide rotating shaft 40 reciprocally rotates in a small amplitude by taking the guide rotating shaft 40 as a circle center, meanwhile, the injection molding module 42 is arranged vertically, the injection port 43 is directly above, and the flowing speed of slurry in a mold cavity of the injection molding module 42 is accelerated.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. An injection molding device for upper and lower stops of a plastic zipper is characterized in that: the device comprises a bottom plate (1), wherein an installation square plate (2) is arranged on the bottom plate (1), and the installation square plate (2) is connected with the bottom plate (1) through bolts; a linkage motor (3) is mounted on the mounting square plate (2), and the linkage motor (3) is connected with the circulating shaking assembly;
the circulating swing assembly comprises a linkage square block (4) arranged at the output end of the linkage motor (3), and the linkage square block (4) is connected with a linkage square groove (6) arranged on the linkage cam (5); the linkage cam (5) is connected with the touch round wheel (7) in a matched mode, the touch round wheel (7) is provided with a touch round rod (8), two ends of the touch round rod (8) are connected with the touch clamping blocks (9), the touch clamping blocks (9) are symmetrically provided with extension different rods (10), and the extension different rods (10) are connected with the slow-distance touch mechanism;
a guide square rod (35) is fixedly arranged on the touch clamping block (9), and the guide square rod (35) passes through a guide base (36) arranged on the bottom plate (1) and is connected with a guide rack (37); a guide spring (38) is sleeved on the guide square rod (35), one end of the guide spring (38) is fixedly connected with the touch clamping block (9), and the other end of the guide spring is fixedly connected with the guide base (36); the guide rack (37) is meshed with the guide gear (39), the guide gear (39) is provided with a guide rotating shaft (40), one end of the guide rotating shaft (40) penetrates through an auxiliary base (41) arranged on the bottom plate (1) and is fixedly connected with the injection molding module (42), and the injection molding module (42) is provided with an injection molding opening (43); the other end of the elastic support passes through the auxiliary base (41) and is fixedly connected with the abnormal movement limiting block (44), two sides of the abnormal movement limiting block (44) are slidably connected with the abnormal movement limiting rod (45), and two ends of the abnormal movement limiting rod (45) are fixedly connected with the abnormal movement base (46) arranged on the auxiliary base (41); and a special spring (47) is sleeved on the special limiting rod (45), one end of the special spring (47) is fixedly connected with the special base (46), and the other end of the special spring is fixedly connected with the special limiting block (44).
2. The plastic zipper upper and lower stopper injection molding device of claim 1, wherein: the slow-distance touch mechanism comprises slow-distance square plates (11) arranged on the extension different rods (10), slow-distance bases (12) are symmetrically arranged on the slow-distance square plates (11), the slow-distance bases (12) are jointly connected with slow-distance square rods (13), slow-distance square blocks (14) are symmetrically and slidably arranged on the slow-distance square rods (13), and the slow-distance square blocks (14) are connected with the slow-distance bases (12) through displacement limiting units; and a distance-buffering spring (15) is sleeved on the distance-buffering square rod (13), and two ends of the distance-buffering spring (15) are fixedly connected with the distance-buffering square block (14).
3. The plastic slide fastener top and bottom stop injection molding apparatus of claim 2, wherein: a driving clamping block (16) is fixedly arranged on the macro block (14), a slow moving rack (17) is arranged on the driving clamping block (16), and the slow moving rack (17) is connected with the speed-raising blowing assembly; the driving clamping block (16) is provided with a driving clamping rod (18), the driving clamping rod (18) is connected with a hinging block (19), the hinging block (19) is provided with a driven clamping rod (20), two ends of the driven clamping rod (20) are connected with driven clamping blocks (21), the two driven clamping blocks (21) are connected with a movable square plate (22) jointly, and a buffer cushion (23) is arranged on the movable square plate (22).
4. The plastic slide fastener top and bottom stop injection molding apparatus of claim 2, wherein: the displacement limiting unit comprises abnormal movement guide rods (24) arranged on two sides of the slow distance square block (14), and the abnormal movement guide rods (24) are connected with abnormal movement sleeves (25) fixedly arranged on the slow distance base (12) in a matched mode; a movable contact piece (26) is fixedly installed in the abnormal movement sleeve (25), the movable contact piece (26) is connected with a static contact piece (27) arranged on the abnormal movement guide rod (24) in a matched mode, and the movable contact piece (26) and the static contact piece (27) are respectively electrically connected with a control box (28) arranged on the bottom plate (1).
5. A plastic slide fastener top and bottom stop injection molding apparatus as claimed in claim 3, wherein: the speed-raising blowing assembly comprises a slow gear (29) which is meshed with a slow rack (17), a slow rotating shaft (30) is arranged on the slow gear (29), the slow rotating shaft (30) penetrates through a slow base (31) fixedly arranged on a slow square plate (11) and then is connected with a driven bevel gear (32), the driven bevel gear (32) is meshed with a driving bevel gear (33), a driving rotating shaft (34) is arranged on the driving bevel gear (33), and the driving rotating shaft (34) is connected with a reciprocating scraping mechanism.
6. The plastic zipper upper and lower stopper injection molding device of claim 5, wherein: the driving bevel gear (33) is connected with the steering bevel gear (48) in a meshing way, the steering bevel gear (48) is provided with a steering rotating shaft (49), the steering rotating shaft (49) passes through a multidirectional base (50) arranged on the slow motion base (31) and then is connected with a linkage pulley (51), the linkage pulley (51) is connected with a matching moving pulley (53) through a transmission belt (52), the matching moving pulley (53) is provided with a matching rotating shaft (54), and the matching rotating shaft (54) passes through a matching moving base (55) arranged on the multidirectional base (50) and then is connected with a plurality of blades (56).
7. The plastic zipper upper and lower stopper injection molding device of claim 5, wherein: the reciprocating scraping mechanism comprises a stop disc (57) arranged on the driving rotating shaft (34), a picking round rod (58) is arranged on the stop disc (57), and the picking round rod (58) is in sliding connection with a rectangular square groove (60) arranged on the rectangular square block (59); the directional rods (61) are symmetrically arranged on one side of the rectangular square block (59), and the directional rods (61) penetrate through the directional base (62) arranged on the multidirectional base (50) and are fixedly connected with the directional circular plate (63); the directional rod (61) is sleeved with a directional spring (64), one end of the directional spring (64) is fixedly connected with a directional circular plate (63), and the other end of the directional spring is fixedly connected with a directional base (62).
8. The plastic zipper upper and lower stopper injection molding device of claim 7, wherein: an auxiliary long rod (65) is fixedly arranged on the other side of the rectangular square block (59), the auxiliary long rod (65) is fixedly connected with a flexible scraping plate (66), and the flexible scraping plate (66) is connected with the injection molding module (42) in a matched mode.
9. A plastic slide fastener upper and lower stopper injection molding method using the plastic slide fastener upper and lower stopper injection molding apparatus according to claim 1, comprising the steps of:
step one, starting a linkage motor (3), so that a linkage square block (4) at the output end drives a linkage cam (5) to rotate through a linkage square groove (6), and the linkage cam (5) is in reciprocating contact with the surface of a touch round wheel (7);
step two, when the linkage cam (5) contacts the touch round wheel (7) during rotation, the touch round wheel (7) is limited to move in the guide base (36) through the guide square rod (35) arranged on the touch clamping block (9), and the guide spring (38) is in a buffer state, so that the guide rack (37) is driven to move;
when the linkage cam (5) is not contacted with the touch round wheel (7), the reset movement of the guide spring (38) drives the guide square rod (35) to reset, so that the guide rack (37) on the guide square rod (35) resets, the guide rack (37) reciprocates, and the guide rack (37) is meshed with the guide gear (39) to reciprocate;
fourthly, limiting and reciprocating movement of a abnormal movement limiting block (44) at one end of the guide rotating shaft (40) in an abnormal movement limiting rod (45) is achieved through a guide gear (39), and the abnormal movement spring (47) is in a buffer and reset state continuously;
and fifthly, the injection molding module (42) at the other end of the guide rotating shaft (40) rotates back and forth by taking the guide rotating shaft (40) as a circle center, meanwhile, the injection molding module (42) is arranged to be vertically arranged, the injection port (43) is arranged right above, and the flowing speed of slurry in a die cavity of the injection molding module (42) is accelerated.
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| CN202311351848.4A CN117087093A (en) | 2023-10-19 | 2023-10-19 | Plastic zipper upper and lower stop injection molding device and method thereof |
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Cited By (1)
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| CN117284629A (en) * | 2023-11-23 | 2023-12-26 | 江苏轩盛塑业科技有限公司 | Plastic turnover box with buffer protection structure |
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