CN113183390A - Reduce miniature foaming machine that moulds plastics of high efficiency of injection moulding product internal stress - Google Patents
Reduce miniature foaming machine that moulds plastics of high efficiency of injection moulding product internal stress Download PDFInfo
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- CN113183390A CN113183390A CN202110542433.XA CN202110542433A CN113183390A CN 113183390 A CN113183390 A CN 113183390A CN 202110542433 A CN202110542433 A CN 202110542433A CN 113183390 A CN113183390 A CN 113183390A
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- 238000005187 foaming Methods 0.000 title claims abstract description 34
- 238000001746 injection moulding Methods 0.000 title claims abstract description 24
- 239000004033 plastic Substances 0.000 title claims abstract description 21
- 229920003023 plastic Polymers 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000002347 injection Methods 0.000 claims description 29
- 239000007924 injection Substances 0.000 claims description 29
- 238000000465 moulding Methods 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000000520 microinjection Methods 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 19
- 239000012530 fluid Substances 0.000 abstract description 17
- 229920001169 thermoplastic Polymers 0.000 abstract description 15
- 239000004416 thermosoftening plastic Substances 0.000 abstract description 15
- 238000001802 infusion Methods 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 13
- 230000000087 stabilizing effect Effects 0.000 description 6
- 238000005381 potential energy Methods 0.000 description 4
- 239000012815 thermoplastic material Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008261 resistance mechanism Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/36—Feeding the material to be shaped
- B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
- B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3411—Relieving stresses
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
-
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/35—Component parts; Details or accessories
Abstract
The invention relates to the technical field of injection molding foaming machines, and discloses a high-efficiency miniature injection molding foaming machine for reducing internal stress of injection molding products, which comprises a breaking mechanism and a sealing mechanism, wherein the breaking mechanism comprises a gear, the left end of the breaking mechanism is movably connected with a bearing body, the lower end of the gear is movably connected with a push rod, the lower end of the push rod is movably connected with a moving block, the right end of the moving block is fixedly connected with a reset spring, the right end of the moving block is fixedly connected with an energy-gathering spring, the right end of the energy-gathering spring is fixedly connected with a triangular block, and the upper end of the triangular block is movably connected with an anti-blocking mechanism. Through the rack at the travel of removal in-process far away the gear girth to make the striking piece continuously strike, thereby make the inside thermoplastic fluid bottom cooling of infusion chamber slow, inside thermoplastic fluid lasts the convection current in the course of working, thereby reach and prevent to mould plastics in-process bottom and cool off in advance, cause the inside cooling layering, reduce the effect of material performance.
Description
Technical Field
The invention relates to the technical field of injection molding foaming machines, in particular to an efficient miniature injection molding foaming machine for reducing internal stress of injection molding products.
Background
With the gradual development of society, the living standard of people is remarkably improved, so that the use of the existing plastics is gradually popularized, for example, some plastic stools or plastic boxes are manufactured by injection molding, and the plastic stools or plastic boxes are manufactured by using an injection foaming machine for saving materials, so that the resources can be well saved.
But at present to using the foaming machine of moulding plastics to inject plastics the defect that the existence needs to be overcome at will, in the process of moulding plastics through the foaming, let in the thermoplastic material with gas, thereby make the inside hole that is covered with of thermoplastic material, thereby occupy a part of space, reduce the excessive use of material, but in the process of moulding plastics, if the bubble is too big, thereby make internal stress not concentrate easily, cause the product too fragile, in the course of working simultaneously, the difference of cooling time, make inside layering cooling easily, thereby it is relatively poor to make the performance, short service life, therefore a high-efficient miniature foaming machine of moulding plastics that reduces the product internal stress of moulding plastics comes into force.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a high-efficiency micro injection molding foaming machine for reducing the internal stress of an injection molding product, which has the advantages of automatically homogenizing and compacting the bubbles in the thermoplastic fluid in the foaming injection molding process, reducing the internal stress, simultaneously automatically contracting an output port, reducing the sealing pressure and preventing the stress concentration, and solves the problems that the internal stress is not concentrated and the product is too fragile easily caused if the bubbles are too large in the injection molding process, and the sealing pressure is too large and the stress concentration is caused easily in the injection molding process because the injection molding is too fast.
(II) technical scheme
In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a reduce miniature foaming machine of moulding plastics of high efficiency of injection moulding product internal stress, is including breaking up the mechanism and sealing the mechanism, break up the inside gear that includes of mechanism, left end swing joint has the bearing body, gear lower extreme swing joint has the push rod, push rod lower extreme swing joint has the movable block, movable block right-hand member fixedly connected with reset spring, movable block right-hand member fixedly connected with gathers the energy spring, gather energy spring right-hand member fixedly connected with triangle block, triangle block upper end swing joint has anti-mechanism that hinders, triangle block right-hand member fixedly connected with striking block, striking block right-hand member swing joint has the transmission piece, transmission piece upper end fixedly connected with injection chamber.
Further, the sealing mechanism comprises a fixed block inside, the fixed block is movably connected with a stabilizing block, the upper end of the fixed block is movably connected with a connecting rod, the upper end of the connecting rod is movably connected with a connecting block, a sealing plate is fixedly connected with the right end of the connecting block, and an input pipeline is movably connected with the upper end of the sealing plate.
Further, still include trigger mechanism, trigger mechanism is inside including the sensing piece, sensing piece left end fixedly connected with gasbag, gasbag left end swing joint has the atress pole, atress pole surface swing joint has compression spring, atress pole left end fixedly connected with rack, rack left end swing joint has the upper cover.
Furthermore, the lower end of the rack is movably connected with a gear, the left end of the rack is fixedly connected with a fixed block, and the number of the sensing blocks is two, and the two sensing blocks are respectively positioned at the left end and the right end of the injection chamber.
Further, the anti mechanism that hinders has two, both ends about being located the triangle piece respectively, anti mechanism internally mounted that hinders has the spring, anti mechanism lower extreme that hinders is the sloping block, it is located the reset spring lower extreme to gather the energy spring, the striking piece has two, is located both ends about the transmission piece respectively.
Furthermore, input pipeline upper end and injection molding foaming machine kneck are linked together, the hole has been seted up to the shrouding is inside, and the hole size is the same with input pipeline hole diameter, the shrouding has two, is located both ends about the input pipeline.
Three beneficial effects
Compared with the prior art, the invention provides the efficient miniature injection molding foaming machine for reducing the internal stress of the injection molding product, and the efficient miniature injection molding foaming machine has the following beneficial effects:
1. receive vibrations through the injection chamber is inside, great bubble is broken in the thermoplastic fluid of easy injection chamber inside, thereby turn into less bubble, make plastics in the forming process, inside bubble size is almost the same, thereby internal stress is less relatively, the structure is more inseparable simultaneously, simultaneously because of the rack is far greater than the gear girth at the removal in-process stroke, thereby make the striking piece continuously strike, thereby make the inside thermoplastic fluid bottom of injection chamber cool down slowly, inside thermoplastic fluid lasts the convection current in the course of working, thereby reach and prevent to mould plastics in-process bottom and cool off in advance, cause the inside cooling layering, reduce the effect of material performance.
2. When moving left through the shrouding, the aperture that the shrouding coincided mutually shrinks gradually, and then reduces to making input pipeline to the transport dynamics of infusion chamber inside, thereby when ending, reduce to the pressure of department of sealing, thereby reach automatic shrink delivery outlet, because of delivery pressure is unchangeable, thereby make follow-up velocity of flow accelerate, because of different with the inside velocity of flow of infusion chamber, thereby there is an impact force to infusion chamber inside, and then get rid of the inside too big bubble of thermoplastic fluid, the effect of balanced inside bubble size.
Drawings
FIG. 1 is a front cross-sectional view of the upper cover structure of the present invention;
FIG. 2 is a partial cross-sectional view of the gear structure of the present invention;
FIG. 3 is a partial cross-sectional view of the force bar construction of the present invention;
FIG. 4 is a partial cross-sectional view of the closure plate structure of the present invention;
fig. 5 is a partial cross-sectional view of a moving block structure of the present invention.
In the figure: 1. an upper cover; 2. a receiving body; 3. a trigger mechanism; 31. a sensing block; 32. an air bag; 33. a stress beam; 34. a compression spring; 35. a rack; 4. a sealing mechanism; 41. a fixed block; 42. a stabilizing block; 43. a connecting rod; 44. connecting blocks; 45. closing the plate; 46. an input pipe; 5. a breaking mechanism; 51. a gear; 52. a push rod; 53. a moving block; 54. a return spring; 55. an energy-gathering spring; 56. a triangular block; 57. an anti-drag mechanism; 58. an impact block; 59. a transmission block; 6. and (4) injecting the solution into the chamber.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1, 2 and 5, a high-efficiency micro injection foaming machine for reducing internal stress of injection products comprises a breaking mechanism 5 and a sealing mechanism 4, wherein the breaking mechanism 5 comprises a gear 51, the left end of the gear 51 is movably connected with a receiving body 2, the lower end of the gear 51 is movably connected with a push rod 52, the lower end of the push rod 52 is movably connected with a moving block 53, the right end of the moving block 53 is fixedly connected with a return spring 54, the right end of the moving block 53 is fixedly connected with an energy-gathering spring 55, the right end of the energy-gathering spring 55 is fixedly connected with a triangular block 56, the upper end of the triangular block 56 is movably connected with an anti-blocking mechanism 57, the two anti-blocking mechanisms 57 are respectively positioned at the upper end and the lower end of the triangular block 56, a spring is arranged in the anti-blocking mechanism 57, the lower end of the anti-blocking mechanism 57 is an inclined block, the energy-gathering spring 55 is positioned at the lower end of the return spring 54, the two striking blocks 58 are respectively positioned at the left end and the right end of a transmission block 59, the right end of the triangular block 56 is fixedly connected with a striking block 58, the right end of the striking block 58 is movably connected with a transmission block 59, and the upper end of the transmission block 59 is fixedly connected with the injection chamber 6.
When the work is started, the upper cover 1 moves downwards through the external power supply, and then is coupled with the bearing body 2, meanwhile, the lower end of the rack 35 is contacted with the upper end of the gear 51, meanwhile, the thermoplastic material is injected into the injection chamber 6 through the input pipeline 46, meanwhile, the internal bubbles are different in size, when the thermoplastic fluid is injected into the injection chamber 6, the temperature of the fluid is transmitted through the groove of the sensing block 31, so that heat is emitted to the air bag 32, the air bag 32 is heated and expanded, the internal volume is increased, furthermore, a leftward thrust is provided for the stress rod 33, the stress rod 33 moves leftwards, and a pressure is provided for the compression spring 34, the internal stress of the compression spring 34 is compressed, so that the internal elastic potential energy is gathered, the restoration of the stress rod 33 is prepared, and simultaneously, when the stress rod 33 moves leftwards, the rack 35 is driven to move leftwards together, because the lower end of the rack 35 is provided with teeth, the rack 35 is contacted with the gear 51, when the rack 35 moves leftwards, the gear 51 rotates, so that the push rod 52 has a pushing force, the push rod 52 moves downwards, so that the moving block 53 has a pushing force, the moving block 53 moves rightwards, and meanwhile, the return spring 54 is pressed, so that the return spring 54 is compressed, elastic potential energy is accumulated inside to prepare for the return of the moving block 53, when the return spring 54 moves rightwards, the energy-accumulating spring 55 drives the triangular block 56 to move rightwards, but in the process of moving rightwards, due to the resistance of the resistance-resisting mechanism 57, the triangular block 56 only has a movement trend, so that the energy-accumulating spring 55 is compressed inside to accumulate energy for the triangular block 56, when the gear 51 pushes the stroke of the push rod 52 to the maximum in the rotating process, the energy accumulated by the energy-accumulating spring 55 also reaches the maximum, so that the triangular block 56 pushes the resistive mechanism 57 away enough, thereby moving the striking block 58 together to the right, so that the striking block 58 has a striking force against the driving block 59 at an instant, whereby, due to the connection of the driving block 59 with the implantation chamber 6, thereby subjecting the interior of the infusion chamber 6 to vibrations, which tend to break larger bubbles in the thermoplastic fluid inside the infusion chamber 6, thereby converting into smaller bubbles, so that the sizes of the bubbles in the plastic are almost the same in the molding process, so that the internal stress is relatively small, the structure is more compact, and simultaneously, because the stroke of the rack 35 in the moving process is far larger than the circumference of the gear 51, so that the impact block 58 continuously impacts to participate in the whole forming process, thereby achieving the purpose that in the foaming injection molding process, the internal bubbles of the thermoplastic fluid are automatically homogenized and compacted, and the internal stress is reduced.
Example two:
referring to fig. 1, 2, 3 and 4, a high-efficiency micro injection foaming machine for reducing internal stress of injection products comprises a breaking mechanism 5 and a sealing mechanism 4, wherein the breaking mechanism 5 comprises a gear 51, the left end of the gear 51 is movably connected with a receiving body 2, the lower end of the gear 51 is movably connected with a push rod 52, the lower end of the push rod 52 is movably connected with a moving block 53, the right end of the moving block 53 is fixedly connected with a reset spring 54, the right end of the moving block 53 is fixedly connected with an energy-gathering spring 55, the right end of the energy-gathering spring 55 is fixedly connected with a triangular block 56, the upper end of the triangular block 56 is movably connected with a resistance mechanism 57, the right end of the triangular block 56 is fixedly connected with an impact block 58, the right end of the impact block 58 is movably connected with a transmission block 59, the upper end of the transmission block 59 is fixedly connected with an injection chamber 6, the sealing mechanism 4 comprises a fixed block 41, the fixed block 41 is movably connected with a stabilizing block 42 in the fixed block 41, the upper end of the fixed block 41 is movably connected with a connecting rod 43, connecting rod 43 upper end swing joint has connecting block 44, and connecting block 44 right-hand member fixedly connected with shrouding 45, 45 upper end swing joint of shrouding have input pipeline 46, and input pipeline 46 upper end is linked together with the foaming machine kneck of moulding plastics, and the hole has been seted up to shrouding 45 inside, and the hole size is the same with input pipeline 46 hole diameter, and shrouding 45 has two, both ends about being located input pipeline 46.
Along with rack 35 left movement in-process, drive fixed block 41 and move left together, support through stabilizing block 42, thereby make fixed block 41 when moving, the stable left movement, simultaneously when fixed block 41 moves left, through the transmission of connecting rod 43, thereby there is a pulling force left to connecting block 44, make connecting block 44 move left gradually, simultaneously when connecting block 44 moves left, drive shrouding 45 and move left together, because of shrouding 45 has two, thereby when shrouding 45 moves left, the aperture that shrouding 45 coincides gradually contracts, and then to making input pipeline 46 reduce to the inside conveying power of injection chamber 6, thereby when the end, to the pressure reduction of sealing the department, thereby reach the automatic shrink delivery outlet, reduce and seal pressure, prevent the effect of stress concentration.
Example three:
referring to fig. 1-5, a high-efficiency micro injection foaming machine for reducing internal stress of injection products comprises a breaking mechanism 5 and a sealing mechanism 4, wherein the breaking mechanism 5 comprises a gear 51, the left end of the gear 51 is movably connected with a receiving body 2, the lower end of the gear 51 is movably connected with a push rod 52, the lower end of the push rod 52 is movably connected with a moving block 53, the right end of the moving block 53 is fixedly connected with a return spring 54, the right end of the moving block 53 is fixedly connected with an energy-gathering spring 55, the right end of the energy-gathering spring 55 is fixedly connected with a triangular block 56, the upper end of the triangular block 56 is movably connected with an anti-blocking mechanism 57, the two anti-blocking mechanisms 57 are respectively positioned at the upper end and the lower end of the triangular block 56, a spring is arranged in the anti-blocking mechanism 57, the lower end of the anti-blocking mechanism 57 is an inclined block, the energy-gathering spring 55 is positioned at the lower end of the return spring 54, the two impact blocks 58 are respectively positioned at the left end and the right end of a transmission block 59, the impact block 58 is fixedly connected with the impact block 56, the right end of the impact block 58 is movably connected with a transmission block 59, the upper end of the transmission block 59 is fixedly connected with the sealing mechanism 4 of the injection chamber 6, the inside of the sealing mechanism 4 comprises a fixed block 41, the inside of the fixed block 41 is movably connected with a stabilizing block 42, the upper end of the fixed block 41 is movably connected with a connecting rod 43, the upper end of the connecting rod 43 is movably connected with a connecting block 44, the right end of the connecting block 44 is fixedly connected with a sealing plate 45, the upper end of the sealing plate 45 is movably connected with an input pipeline 46, the upper end of the input pipeline 46 is communicated with an interface of an injection molding foaming machine, the inside of the sealing plate 45 is provided with a hole, the size of the hole is the same as the diameter of the hole of the input pipeline 46, two sealing plates 45 are arranged at the left end and the right end of the input pipeline 46, the device also comprises a trigger mechanism 3, the inside of the trigger mechanism 3 comprises a sensing block 31, the left end of the sensing block 31 is fixedly connected with an air bag 32, the left end of the air bag 32 is movably connected with a stress rod 33, the outer surface of the stress rod 33 is movably connected with a compression spring 34, the left end of the stress rod 33 is fixedly connected with a rack 35, the lower end of the rack 35 is movably connected with a gear 51, the left end of the rack 35 is fixedly connected with a fixed block 41, the number of the sensing blocks 31 is two, the sensing blocks are respectively positioned at the left end and the right end of the injection chamber 6, and the left end of the rack 35 is movably connected with an upper cover 1.
The working principle is as follows: when the work is started, the upper cover 1 moves downwards through the external power supply, and then is coupled with the bearing body 2, meanwhile, the lower end of the rack 35 is contacted with the upper end of the gear 51, meanwhile, the thermoplastic material is injected into the injection chamber 6 through the input pipeline 46, meanwhile, the internal bubbles are different in size, when the thermoplastic fluid is injected into the injection chamber 6, the temperature of the fluid is transmitted through the groove of the sensing block 31, so that heat is emitted to the air bag 32, the air bag 32 is heated and expanded, the internal volume is increased, furthermore, a leftward thrust is provided for the stress rod 33, the stress rod 33 moves leftwards, and a pressure is provided for the compression spring 34, the internal stress of the compression spring 34 is compressed, so that the internal elastic potential energy is gathered, the restoration of the stress rod 33 is prepared, and simultaneously, when the stress rod 33 moves leftwards, the rack 35 is driven to move leftwards together, because the lower end of the rack 35 is provided with teeth, the rack 35 is contacted with the gear 51, when the rack 35 moves leftwards, the gear 51 rotates, so that the push rod 52 has a pushing force, the push rod 52 moves downwards, so that the moving block 53 has a pushing force, the moving block 53 moves rightwards, and meanwhile, the return spring 54 is pressed, so that the return spring 54 is compressed, elastic potential energy is accumulated inside to prepare for the return of the moving block 53, when the return spring 54 moves rightwards, the energy-accumulating spring 55 drives the triangular block 56 to move rightwards, but in the process of moving rightwards, due to the resistance of the resistance-resisting mechanism 57, the triangular block 56 only has a movement trend, so that the energy-accumulating spring 55 is compressed inside to accumulate energy for the triangular block 56, when the gear 51 pushes the stroke of the push rod 52 to the maximum in the rotating process, the energy accumulated by the energy-accumulating spring 55 also reaches the maximum, so that the triangular block 56 pushes the anti-drag mechanism 57 away enough, and further drives the impact block 58 to move rightwards together, so that the impact block 58 has an impact force on the transmission block 59 at one moment, and therefore, the transmission block 59 is connected with the injection chamber 6, so that the interior of the injection chamber 6 is vibrated, larger bubbles in the thermoplastic fluid in the injection chamber 6 are easy to break and converted into smaller bubbles, the sizes of the inner bubbles are almost the same in the molding process of the plastic, the inner stress is relatively smaller, the structure is more compact, and meanwhile, the stroke of the rack 35 in the moving process is far greater than the circumference of the gear 51, so that the impact block 58 continuously impacts, the bottom of the thermoplastic fluid in the injection chamber 6 is slowly cooled, the inner thermoplastic fluid continuously convects in the processing process, and the bottom is prevented from being cooled in advance in the injection molding process, causing internal cooling delamination and reducing the effect of the material in use.
Along with rack 35 moves the in-process leftwards, drive fixed block 41 and move leftwards together, support through stabilizing block 42, thereby make fixed block 41 when moving, the stable leftwards movement, simultaneously when fixed block 41 moves leftwards, transmission through connecting rod 43, thereby there is a pulling force left to connecting block 44, make connecting block 44 move leftwards gradually, simultaneously when connecting block 44 moves leftwards, drive shrouding 45 and move leftwards together, because of shrouding 45 has two, thereby when shrouding 45 moves leftwards, the aperture that shrouding 45 coincides mutually shrinks gradually, because of conveying pressure does not change, thereby make follow-up velocity of flow accelerate, because of different with the inside velocity of flow of infusion chamber 6, thereby there is an impact force to infusion chamber 6 inside, and then get rid of the inside too big bubble of thermoplastic fluid, the effect of balanced inside bubble size.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a reduce miniature foaming machine of moulding plastics of high efficiency of injection moulding product internal stress which characterized in that: comprises a scattering mechanism (5) and a sealing mechanism (4), wherein the scattering mechanism (5) comprises a gear (51), the left end of the gear (51) is movably connected with a bearing body (2), the lower end of the gear (51) is movably connected with a push rod (52), the lower end of the push rod (52) is movably connected with a moving block (53), the right end of the moving block (53) is fixedly connected with a return spring (54), the right end of the moving block (53) is fixedly connected with an energy-gathering spring (55), the right end of the energy-gathering spring (55) is fixedly connected with a triangular block (56), the upper end of the triangular block (56) is movably connected with an anti-drag mechanism (57), the right end of the triangular block (56) is fixedly connected with an impact block (58), the right end of the impact block (58) is movably connected with a transmission block (59), and the upper end of the transmission block (59) is fixedly connected with the injection chamber (6).
2. The efficient micro injection molding foaming machine for reducing the internal stress of injection molded products according to claim 1, wherein the efficient micro injection molding foaming machine comprises: seal mechanism (4) inside including fixed block (41), the inside swing joint of fixed block (41) has stable piece (42), fixed block (41) upper end swing joint has connecting rod (43), connecting rod (43) upper end swing joint has connecting block (44), connecting block (44) right-hand member fixedly connected with shrouding (45), shrouding (45) upper end swing joint has input pipeline (46).
3. The efficient micro injection molding foaming machine for reducing the internal stress of injection molded products according to claim 1, wherein the efficient micro injection molding foaming machine comprises: still include trigger mechanism (3), trigger mechanism (3) are inside including sensing piece (31), sensing piece (31) left end fixedly connected with gasbag (32), gasbag (32) left end swing joint has atress pole (33), atress pole (33) surface swing joint has compression spring (34), atress pole (33) left end fixedly connected with rack (35), rack (35) left end swing joint has upper cover (1).
4. The efficient micro injection molding foaming machine for reducing the internal stress of injection molded products according to claim 1, wherein the efficient micro injection molding foaming machine comprises: the lower end of the rack (35) is movably connected with a gear (51), the left end of the rack (35) is fixedly connected with a fixed block (41), and the number of the sensing blocks (31) is two and the two sensing blocks are respectively positioned at the left end and the right end of the injection chamber (6).
5. The efficient micro injection molding foaming machine for reducing the internal stress of injection molded products according to claim 1, wherein the efficient micro injection molding foaming machine comprises: the anti mechanism (57) that hinders has two, is located triangle-shaped piece (56) upper and lower both ends respectively, anti mechanism (57) internally mounted has the spring that hinders, anti mechanism (57) lower extreme that hinders is the sloping block, it is located reset spring (54) lower extreme to gather can spring (55), striking piece (58) have two, are located both ends about driving block (59) respectively.
6. The efficient micro injection molding foaming machine for reducing the internal stress of injection molded products according to claim 1, wherein the efficient micro injection molding foaming machine comprises: input pipeline (46) upper end and injection moulding foaming machine kneck are linked together, the hole has been seted up to shrouding (45) inside, and the hole size is the same with input pipeline (46) hole diameter, shrouding (45) have two, are located both ends about input pipeline (46).
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| CN202110542433.XA CN113183390A (en) | 2021-05-18 | 2021-05-18 | Reduce miniature foaming machine that moulds plastics of high efficiency of injection moulding product internal stress |
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| CN202110542433.XA CN113183390A (en) | 2021-05-18 | 2021-05-18 | Reduce miniature foaming machine that moulds plastics of high efficiency of injection moulding product internal stress |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114506026A (en) * | 2022-02-23 | 2022-05-17 | 无锡永凯达齿轮有限公司 | Tensioner machining equipment for automobile |
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Application publication date: 20210730 |