CN117799115B - Ventilation device for injection molding of silica gel gutta-percha - Google Patents
Ventilation device for injection molding of silica gel gutta-percha Download PDFInfo
- Publication number
- CN117799115B CN117799115B CN202410064902.5A CN202410064902A CN117799115B CN 117799115 B CN117799115 B CN 117799115B CN 202410064902 A CN202410064902 A CN 202410064902A CN 117799115 B CN117799115 B CN 117799115B
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- ventilation
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- wind
- cover
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- 238000009423 ventilation Methods 0.000 title claims abstract description 77
- 238000001746 injection moulding Methods 0.000 title claims abstract description 31
- 239000000899 Gutta-Percha Substances 0.000 title claims abstract description 11
- 240000000342 Palaquium gutta Species 0.000 title claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 11
- 229920000588 gutta-percha Polymers 0.000 title claims abstract description 11
- 239000000741 silica gel Substances 0.000 title claims abstract description 11
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 11
- 239000004033 plastic Substances 0.000 claims abstract description 43
- 229920003023 plastic Polymers 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 238000001914 filtration Methods 0.000 claims abstract description 25
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 229920000742 Cotton Polymers 0.000 claims description 11
- 230000000670 limiting effect Effects 0.000 claims description 9
- 239000000499 gel Substances 0.000 claims description 7
- 239000010410 layer Substances 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 239000011229 interlayer Substances 0.000 claims description 3
- 230000005389 magnetism Effects 0.000 claims description 3
- 239000002991 molded plastic Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000012634 fragment Substances 0.000 claims 2
- 230000006698 induction Effects 0.000 claims 1
- 239000003292 glue Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 2
- 238000000071 blow moulding Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 9
- 241000883990 Flabellum Species 0.000 description 7
- 230000003068 static effect Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 206010033372 Pain and discomfort Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004413 injection moulding compound Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of injection molding, in particular to a ventilation device for silica gel gutta-percha injection molding, which comprises an injection molding machine body and a sealing cover inserted in a mold closing position in the injection molding machine body, wherein a ventilation group for generating plastic gas after drainage and mold opening is arranged at the rear of the sealing cover, and the ventilation group comprises a wind collecting cover embedded in the top surface of the sealing cover, an air suction group for sucking the plastic gas in the sealing cover, a proximity switch for sensing the closing of the sealing cover and triggering the air suction group to work, and a wind filtering box for sealing and installing the air suction group. According to the invention, the action of the sealing cover is utilized to trigger the fan to work so as to pump out the gas below the sealing cover, the gas is purified by the air filtering box and discharged outdoors, meanwhile, the gas is supplemented into the discharging cavity through the fan blades of the air control group, and the upper blow molding glue gas is not diffused and is sucked out in time in a concentrated manner, so that a large amount of plastic gas is not scattered outwards in the whole plastic product production process, and the working environment of staff is optimized.
Description
Technical Field
The invention relates to the technical field of injection molding, in particular to a ventilation device for injection molding of silica gel gutta-percha.
Background
Gutta-percha is an article for infants to chew, and is usually a semi-solid or solid gel-like substance, which helps to relieve pain and discomfort of the infants when they teeter. It is made of silica gel by injection molding and is made into various shapes by a mold.
The injection molding machine is internally provided with a movable mold and a static mold which are matched, and glue solution is injected into the static mold through a shooting gun to form a plastic product. The injection molded products necessarily generate plastic gas, which is a harmful gas, and long-term working in such an environment may affect the health of the body. Although all be provided with the air extraction fan of whole row in the factory building, the air extraction fan inlays on locating wall or roof, and it is too far away from every injection molding machine, and the unable timely plastic gas that produces when the injection molding compound die and when placing the plastic product of evacuation influences staff's health.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a ventilation device for injecting and molding the silica gel gutta-percha, so as to solve the problems in the prior art.
In order to achieve the above purpose, the invention provides a ventilation device for silica gel gutta-percha injection molding, which comprises an injection molding machine body and a sealing cover inserted in a mold closing position in the injection molding machine body, wherein a discharging cavity is arranged below the mold closing position of the injection molding machine body, a sealing door is clamped at a front port of the discharging cavity, the sealing cover covers the outside of the mold closing position in a semi-surrounding structure, a ventilation group for generating plastic gas after drainage and mold opening is arranged behind the sealing cover, and the ventilation group comprises a wind collecting cover embedded in the top surface of the sealing cover, an air suction group for sucking the plastic gas in the sealing cover, a proximity switch for sensing the closing of the sealing cover and triggering the operation of the air suction group, and a filter box for sealing and installing the air suction group;
An air guide pipe is arranged on one side of the air collecting cover in a communicating manner, an air inlet pipe frame which is T-shaped is arranged at the top of the air filtering box, a vertical section of the air inlet pipe frame is communicated with the front side surface of the air filtering box, a horizontal section of the air inlet pipe frame is connected with the bottom end of the vertical bending section of the air guide pipe in a sliding and clamping manner, and a proximity switch is arranged on the right end of the horizontal section of the air inlet pipe frame and is close to the vertical section of the air guide pipe which moves to the right end to contact an exhaust group circuit; the air draft group comprises a fan arranged in the rear of the top of the air draft box, a fan cover arranged in the front of the top of the air draft box and air outlet pipes inserted into two sides of the arc surface of the fan cover, a filter body is arranged in the bottom of the air draft box, exhaust pipes are communicated with the rear side surface of the bottom of the air draft box, and disc-shaped covers are sleeved at the bottoms of the two air outlet pipes and are matched with the top of the filter body in a clamping manner.
As a further improvement of the technical scheme, the top surface of the sealing cover is provided with a cover notch, one side of the cover notch is provided with a pipe notch on the top surface and the rear side of the sealing cover, and the wind collecting cover and the wind guide pipe are respectively matched with the cover notch and the pipe notch in a clamping way.
As the further improvement of this technical scheme, gather the inside of wind lid and be cavity structure and bottom surface opening, gather the inside joint of wind lid and have the wind cotton of straining, peg graft in the side middle part of wind cotton and have and be cavity and both sides face open-ended air dispersion board, a plurality of through-holes have all been seted up to the upper and lower face of air dispersion board correspondence, and be located a plurality of through-holes internal diameters below and be greater than a plurality of through-holes that are located above.
As a further improvement of the technical scheme, a wind control group is arranged in the discharging cavity, and comprises a ventilation pipe penetrating through the front middle part of the air filtering box and extending into the discharging cavity, a wind control plate sleeved on the ventilation pipe, and a wind guiding group coaxially connected with the rear end of the ventilation pipe; a plurality of air outlet grooves are formed in the top surface of the ventilating pipe at equal intervals, the air control plate is splayed, a cavity cylinder is integrally formed in the top edge of the air control plate, the cavity cylinder is sleeved with the ventilating pipe and is rotatable, two layers of ventilation cavities are formed in the air control plate and located on two sides of each air outlet groove, a plurality of ventilation openings communicated with each ventilation cavity are formed in the upper surface and the lower surface of the air control plate, and the ventilation cavities penetrate through the top of the cavity cylinder and are communicated with the air outlet grooves.
As the further improvement of this technical scheme, induced air group is including being coaxial coupling's flabellum cover, flabellum and vice magnetic pole wheel, the cover is equipped with can idle running and can follow output shaft pivoted main magnetic pole wheel on the output shaft of fan, install the electro-magnet that is used for driving main magnetic pole wheel and empty and drive vice magnetic pole wheel rotation on the top surface of filter bellows, the bottom intercommunication of flabellum cover is equipped with the filter tube, the trailing flank intercommunication of filter tube is equipped with the aspiration channel, the filter tube just is located the aspiration channel below and is equipped with the one-way pneumatic valve in the inlayed, the aspiration channel is equipped with the one-way pneumatic valve in the time of the downdraft of flabellum cover, and the one-way pneumatic valve on the filter tube is opened, and the one-way pneumatic valve on the aspiration channel is closed, and when the flabellum cover upwards inhaled, the state of two one-way pneumatic valves then is vice versa.
As a further improvement of the technical scheme, a proximity switch is arranged at the left end of the horizontal section of the air inlet pipe frame, the proximity switch is close to the vertical section of the air guide pipe moving to the left end to touch an electromagnet circuit, a wheel core sleeve is arranged on the central shaft of the main magnetic pole wheel, the wheel core sleeve is sleeved with the output shaft of the fan, an annular groove is formed in the outer cambered surface of the main magnetic pole wheel, a plurality of magnetic blocks are embedded in the annular groove at equal intervals, a magnetic isolation plate is embedded between every two adjacent magnetic blocks, and the structure of the auxiliary magnetic pole wheel is identical with that of the main magnetic pole wheel, and the auxiliary magnetic pole wheel is different in size.
As a further improvement of the technical scheme, a plurality of clamping grooves are formed in the inner wall of the rear end of the wheel core sleeve at equal intervals in an annular mode, a linkage rod is inserted into the clamping grooves, one side of the linkage rod is rotationally connected with the outer wall of an output shaft of the fan, a V-shaped elastic piece is bonded on the inner side face of the linkage rod, and the other side face of the elastic piece is embedded in a notch formed in the output shaft.
As a further improvement of the technical scheme, the inner diameter of the second half section of the wheel core sleeve is larger than the outer diameter of the fan output shaft, and the inner diameter of the first half section of the wheel core sleeve is matched with the outer diameter of the fan output shaft.
As a further improvement of the technical scheme, the upper end of each pair of interlayer of the ventilation cavity is provided with a plate opening, the plate opening is internally clamped with a vertically bent air regulating plate, the side surfaces of the corners of a row of air regulating plates on the same side are inserted with air regulating rods, and one end of each air regulating rod penetrates through the front end of each air regulating plate.
As a further improvement of the technical scheme, the lower end of the plate opening is provided with a limiting piece, and the air adjusting plate is in contact with the limiting piece to limit when being overturned.
Compared with the prior art, the invention has the beneficial effects that:
1. this ventilation unit for silica gel gutta-percha is moulded plastics seals compound die department and ejection of compact department of moulding plastics through closing cap and the closing gate that sets up to through the ventilation group that sets up in closing cap department, the action when utilizing the closing cap to close triggers the fan work and takes out the gas of closing cap below, and outside the air-filtering case purifies the discharge chamber, simultaneously through the flabellum of accuse wind group to the air-supplementing in the ejection of compact intracavity, and go up blowing plastic gas and do not diffuse, and concentrated timely suction goes out, make the not a large amount of outer plastic gas that looses of whole production plastic article in-process, staff's operational environment has been optimized.
2. This ventilation unit for silica gel gutta-percha is moulded plastics, through pulling open the closing cap, the guide duct leaves the proximity switch that is located the right-hand member, and the fan outage does not work, and the guide duct moves to the proximity switch that is located the left end, and the electro-magnet is then triggered the circular telegram work, and drives main magnetic pole wheel reverse idle on the fan output shaft to drive vice magnetic pole wheel and follow the reversal, drive the flabellum promptly and draw the gas that the plastic article produced through ventilation pipe and accuse aerofoil promptly, and then discharge into the filter purification of filter body from the filter duct and discharge, make when placing the plastic article not a large amount of outer scattered plastic gas.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present invention, and are not particularly limited. Those skilled in the art with access to the teachings of the present invention can select a variety of possible shapes and scale sizes to practice the present invention as the case may be.
FIG. 1 is a schematic view of the overall mounting structure of the present invention;
FIG. 2 is a schematic view of the assembly structure of the ventilation unit of the present invention;
FIG. 3 is a side view of the internal assembly structure of the filter box of the present invention;
FIG. 4 is a schematic view of the internal assembly structure of the filter box of the present invention;
FIG. 5 is a second schematic view of the internal assembly structure of the filter box of the present invention;
FIG. 6 is a schematic illustration of the position of the main pole wheel and the auxiliary pole wheel according to the present invention;
FIG. 7 is a partial cross-sectional view of a main pole wheel of the present invention;
FIG. 8 is a full cross-sectional view of the wheel hub and fan output shaft assembly of the present invention;
FIG. 9 is a schematic view of the vent structure of the present invention;
FIG. 10 is a schematic view of the assembled structure of the ventilation pipe and the air control plate of the present invention;
FIG. 11 is a front view of FIG. 10 in accordance with the present invention;
FIG. 12 is a schematic view of a partially cut-away configuration of a damper of the present invention;
FIG. 13 is an enlarged schematic view of the structure of FIG. 12A according to the present invention;
FIG. 14 is a schematic view of the assembled structure of the partial damper of the present invention;
FIG. 15 is a schematic view of a closure structure according to the present invention;
Fig. 16 is a split view of the wind collecting cover of the present invention.
The meaning of each reference sign in the figure is:
100. An injection molding machine body; 110. a cover; 111. a cover notch; 112. a tube slot; 120. a discharge cavity; 130. sealing the door;
200. a ventilation group; 210. a wind collecting cover; 211. an air guide pipe; 212. filtering air cotton; 213. a wind dispersing plate; 214. a through hole; 220. exhausting group; 221. a blower; 222. a fan housing; 2221. an air outlet pipe; 223. a main pole wheel; 2231. a magnetic block; 2232. a magnetism isolating plate; 2233. a wheel core sleeve; 2234. a clamping groove; 230. a proximity switch; 240. a filter box; 241. an air inlet pipe rack; 242. a filter body; 2401. an exhaust pipe; 250. an electromagnet; 260. a linkage rod; 261. a spring plate;
300. a wind control group; 310. a ventilation pipe; 311. an air outlet groove; 320. a wind control plate; 321. a vent; 322. a ventilation chamber; 3221. a plate opening; 3222. a limiting piece; 323. an air adjusting plate; 324. an air adjusting rod; 330. an induced air group; 331. a fan blade cover; 3311. a filter tube; 3312. an air suction pipe; 332. a fan blade; 333. auxiliary magnetic pole wheels; 334. a one-way air valve.
Detailed Description
The details of the invention will be more clearly understood in conjunction with the accompanying drawings and description of specific embodiments of the invention. The specific embodiments of the invention described herein are for purposes of illustration only and are not to be construed as limiting the invention in any way. Given the teachings of the present invention, one of ordinary skill in the related art will contemplate any possible modification based on the present invention, and such should be considered to be within the scope of the present invention. The terms "mounted" and "connected" are to be interpreted broadly, as they may be directly connected, or indirectly connected through an intermediary.
The terms "central axis," "vertical," "horizontal," "front," "rear," "upper," "lower," "left," "right," "top," "bottom," "inner," "outer," and the like as used herein are based on the orientation or positional relationship shown in the drawings and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. Furthermore, in the description of the invention, the meaning of "a number" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-16, the present invention provides a ventilation device for injecting gel gum, which includes an injection molding machine body 100 and a sealing cover 110 inserted at a mold closing position inside the injection molding machine body 100, wherein the injection molding machine body 100 is closed by a movable mold and a static mold, and a plastic product is molded by injecting a glue solution into the static mold through a gun, so that the sealing cover 110 plays a role of safety isolation; a discharging cavity 120 is arranged below the die assembly position of the injection molding machine body 100, and when the movable die and the static die are opened, plastic products fall down to a collecting box in the discharging cavity 120; the front port of the discharging cavity 120 is clamped with a sealing door 130 for sealing the outer port of the discharging cavity 120, and the sealing cover 110 is of a semi-surrounding structure to cover the outside of the die assembly, so that plastic gas generated by a plastic product is sealed in the injection molding machine body 100 and is not diffused, and the environment is optimized; a ventilation group 200 for generating plastic gas after the mold is opened by drainage is arranged at the rear of the sealing cover 110, so that the plastic gas is discharged outdoors, and workers are ensured to work in an indoor environment conforming to the standard;
The ventilation unit 200 comprises a wind collecting cover 210 embedded in the top surface of the sealing cover 110, an air draft unit 220 for sucking plastic gas in the sealing cover 110, a proximity switch 230 for sensing the closing of the sealing cover 110 and triggering the air draft unit 220 to work, and a wind box 240 for sealing and installing the air draft unit 220; when the cover 110 is closed, the proximity switch 230 is triggered to trigger the ventilation unit 220 to perform ventilation, the plastic gas sealed in the cover 110 is collected by the wind collecting cover 210, and is discharged into the pipeline after being filtered by the air filtering box 240, and is discharged outdoors.
Specifically, as shown in fig. 5, an air guide pipe 211 is arranged on one side of the air collecting cover 210 in a communicating manner, an air inlet pipe frame 241 in a T shape is arranged at the top of the air filtering box 240, a vertical section of the air inlet pipe frame 241 is communicated with the front side surface of the air filtering box 240, a horizontal section of the air inlet pipe frame 241 is in sliding clamping connection with the bottom end of the vertical bending section of the air guide pipe 211, an opening is formed on the front side of the right end of the horizontal section of the air inlet pipe frame 241, and when the sealing cover 110 is closed, the bottom end of the air guide pipe 211 just slides to the opening to communicate with exhaust;
The proximity switch 230 is installed on the right end of the horizontal section of the air inlet pipe support 241 and is close to the vertical section of the air guide pipe 211 moving to the right end to touch the circuit of the air suction group 220, so that the air suction group 220 is electrified to work; the air draft group 220 comprises a fan 221 arranged in the rear of the top of the air filter box 240, a fan cover 222 arranged in the front of the top of the air filter box 240 and air outlet pipes 2221 inserted at two sides of the arc surface of the fan cover 222, and fan blades of the fan 221 are arranged in the fan cover 222; a filter body 242 is arranged in the bottom of the air filter box 240, and the filter body 242 is activated carbon blocks or activated carbon particles and is used for absorbing plastic odor; the rear side surface of the bottom of the air filter box 240 is communicated with an exhaust pipe 2401, and the outer port of the exhaust pipe 2401 is sleeved with a pipeline and is communicated with the outside; the bottom ends of the two air outlet pipes 2221 are sleeved with a disc-shaped cover, and the disc-shaped cover is matched with the top of the filter body 242 in a clamping way, so that the air exhausted by the air outlet pipes 2221 cannot rise, and is filtered by the filter body 242 and then exhausted from the exhaust pipe 2401.
Further, the top surface of the cover 110 is provided with a cover notch 111, one side of the cover notch 111 and the top surface and the rear side surface of the cover 110 are provided with a pipe notch 112, and the wind collecting cover 210 and the wind guiding pipe 211 are respectively in clamping fit with the cover notch 111 and the pipe notch 112;
The inside of the wind collecting cover 210 is of a cavity structure and is provided with an opening at the bottom surface, the inside of the wind collecting cover 210 is clamped with wind filtering cotton 212, the middle part of the side edge of the wind filtering cotton 212 is inserted with a wind dispersing plate 213 which is of a cavity and is provided with an opening at the two side surfaces, a plurality of through holes 214 are correspondingly arranged on the upper surface and the lower surface of the wind dispersing plate 213, and the inner diameter of the plurality of through holes 214 positioned below is larger than that of the plurality of through holes 214 positioned above; because the plastic gas is heated gas and directly rises to gather in the middle area of the air filter cotton 212 after the mold is opened, the filtering capacity of the middle area of the air filter cotton 212 can be reduced after long-time use, so that the plastic gas enters through the large-aperture through holes 214 and passes through the small-aperture through holes 214 to be discharged, and meanwhile, a part of gas is discharged from two sides of the air dispersing plate 213, and the dispersed gas is absorbed and filtered by the air filter cotton 212, so that the service life of the air filter cotton is prolonged.
In addition, a wind control set 300 is disposed in the discharge cavity 120, for preventing plastic gas from flowing downwards and being discharged from the discharge cavity 120; the air control group 300 comprises a ventilation pipe 310 penetrating through the front middle part of the air filtering box 240 and extending into the discharging cavity 120, an air control plate 320 sleeved on the ventilation pipe 310, and an air inducing group 330 coaxially connected with the rear end of the ventilation pipe 310;
A plurality of air outlet grooves 311 are formed in the top surface of the ventilation pipe 310 at equal intervals, the air control plate 320 is splayed, a cavity cylinder is integrally formed at the top edge, the cavity cylinder is sleeved with the ventilation pipe 310 and can rotate, and the gravity of a plastic product can be relieved through the air control plate 320 when the plastic product falls down, so that the noise reduction effect is achieved; as shown in fig. 9, 10 and 11, ventilation cavities 322 with upper and lower layers are formed in the air control plate 320 and located at two sides of each air outlet slot 311, a plurality of ventilation openings 321 communicated with each ventilation cavity 322 are formed in the upper and lower surfaces of the air control plate 320, and the ventilation cavities 322 penetrate through the top of the cavity cylinder and are communicated with the air outlet slots 311, so that the air-inducing group 330 introduces air flow into the ventilation pipes 310, is discharged into the ventilation cavities 322 through the air outlet slots 311, and is discharged into the discharge cavity 120 from the ventilation openings 321, thereby blowing plastic gas upwards to avoid sinking, gathering and non-scattering of the air.
Specifically, the induced air group 330 includes a fan blade cover 331, a fan blade 332 and an auxiliary magnetic pole wheel 333 which are coaxially connected, a main magnetic pole wheel 223 capable of idling and rotating with the output shaft is sleeved on the output shaft of the fan 221, an electromagnet 250 for driving the main magnetic pole wheel 223 to idle and driving the auxiliary magnetic pole wheel 333 to rotate is mounted on the top surface of the air filtering box 240, and after the electromagnet 250 is electrified, magnetism is generated to repel the main magnetic pole wheel 223 to rotate, and then the auxiliary magnetic pole wheel 333 is magnetically attracted to rotate, so that the fan blade 332 is driven to rotate for induced air or exhaust air;
The bottom of the fan blade cover 331 is communicated with a filter pipe 3311, and the filter pipe 3311 is spliced with a disc-shaped cover for filtering exhaust air; the back side of the air filtering pipe 3311 is communicated with an air sucking pipe 3312, and the air sucking pipe 3312 penetrates through the back side of the air filtering box 240 and is used for supplementing external air into the ventilation pipe 310; the filter air pipe 3311 is provided with a one-way air valve 334 embedded below the air suction pipe 3312, and the direction of the one-way air valve is that the air is discharged downwards but does not rise to enter; the air suction pipe 3312 is embedded with a one-way air valve 334, the direction of which is that air enters the air suction pipe 3311 but air in the air suction pipe 3311 is not discharged;
When the fan blade cover 331 discharges air downwards, the one-way air valve 334 on the air filtering pipe 3311 is opened, the one-way air valve 334 on the air absorbing pipe 3312 is closed, and when the fan blade cover 331 sucks air upwards, the states of the two one-way air valves 334 are opposite.
Further, a proximity switch 230 is installed on the left end of the horizontal section of the air inlet pipe support 241, and the proximity switch 230 is close to the vertical section of the air guide pipe 211 moving to the left end to contact the electromagnet 250 circuit, that is, at this time, the sealing cover 110 is opened, the mold is not molded any more, the fan 221 is not required to work and suck, and only the main magnetic pole wheel 223 is required to reverse to drive the auxiliary magnetic pole wheel 333 to reverse to suck the gas emitted by the plastic product in the discharge cavity 120;
the central shaft of the main magnetic pole wheel 223 is provided with a wheel core sleeve 2233, the wheel core sleeve 2233 is sleeved with the output shaft of the fan 221, the outer cambered surface of the main magnetic pole wheel 223 is provided with an annular groove, a plurality of magnetic blocks 2231 are embedded in the annular groove at equal intervals, a magnetic isolation plate 2232 is embedded between every two adjacent magnetic blocks 2231, and the structure of the auxiliary magnetic pole wheel 333 is identical with that of the main magnetic pole wheel 223 and different in size.
It should be noted that, as shown in fig. 7 and fig. 8, a plurality of clamping grooves 2234 are formed in the inner wall of the rear end of the wheel core sleeve 2233 at equal intervals, a linkage rod 260 is inserted into the clamping grooves 2234, one side of the linkage rod 260 is rotationally connected with the outer wall of the output shaft of the fan 221, a V-shaped elastic sheet 261 is adhered to the inner side surface of the linkage rod 260, and the other side surface of the elastic sheet 261 is embedded in a notch formed in the output shaft; the elastic sheet 261 ejects the linkage rod 260 to be clamped in the clamping groove 2234, when the fan 221 is started, the main magnetic pole wheel 223 is driven to synchronously rotate by the plurality of linkage rods 260, and when the air below the sealing cover 110 is sucked, the auxiliary magnetic pole wheel 333 is driven to rotate by the main magnetic pole wheel 223, so that the fan blades 332 are driven to rotate positively and are discharged into air flow from the air suction pipe 3312, the air flow is rushed into the ventilation pipe 310, and then is discharged from the ventilation opening 321 of the air control plate 320, and the air gathered in the discharge cavity 120 is discharged upwards and sucked and discharged by the fan 221;
When the cover 110 is pulled open after injection molding, the air guide pipe 211 leaves the proximity switch 230 at the right end and approaches the proximity switch 230 at the left end, the fan 221 is powered off and does not work, the electromagnet 250 is powered on to drive the main magnetic pole wheel 223 to reversely idle on the output shaft of the fan 221, so that the clamping groove 2234 presses the linkage rod 260 to slide, and the linkage rod 260 is not interfered, thereby driving the auxiliary magnetic pole wheel 333 to reversely rotate, namely driving the fan blade 332 to reversely rotate and sucking the gas generated by the plastic product through the ventilation pipe 310 and the air control plate 320, and further discharging the gas into the filter body 242 from the air filtering pipe 3311 for purification and discharge.
In addition, the inner diameter of the second half section of the wheel core sleeve 2233 is larger than the outer diameter of the output shaft of the fan 221, so that the linkage rod 260 has a space to be pressed down, and the wheel core sleeve 2233 is prevented from being reversely rotated; the inner diameter of the first half section of the wheel core sleeve 2233 is matched with the outer diameter of the output shaft of the fan 221, so that the wheel core sleeve 2233 stably rotates and does not shake.
It is noted that, as shown in fig. 12, 13 and 14, the upper end of the interlayer of each pair of upper and lower ventilation cavities 322 is provided with a plate opening 3221, the plate opening 3221 is internally clamped with a vertically bent air regulating plate 323, the side surfaces of the corners of a row of air regulating plates 323 on the same side are inserted with air regulating rods 324, and one end of each air regulating rod 324 penetrates through the front end of each air regulating plate 323;
the lower end of the plate opening 3221 is provided with a limiting sheet 3222, and when the air regulating plate 323 is turned over, the air regulating plate 323 contacts with the limiting sheet 3222 to limit the air, so that the air regulating plate 323 can only be turned up and down by 90 degrees, and the two ventilation cavities 322 are switched to be blocked; when the exhaust flow on the air control plate 320 reaches the blowing direction, the air control plate 323 turns down to block the ventilation cavity 322 at the lower layer, otherwise, when the air control plate 320 is required to introduce the lower gas, the air control plate 323 turns up to block the ventilation cavity 322 at the upper layer, so that the gas generated by the plastic product in the discharge cavity 120 is sucked and discharged.
When the ventilation device for the injection molding of the silica gel gutta-percha is in operation, the sealing cover 110 is closed before the injection molding is closed, the proximity switch 230 at the right end is close to the moved air guide pipe 211, the ventilation blower 221 is operated, the air under the sealing cover 110 is sucked through the fan blade of the ventilation device, the plastic air is directly sucked out when the mold is opened each time, and the plastic air is purified through the filter 242 at the bottom of the air filter box 240 and then is discharged from the exhaust pipe 2401 and the pipeline leading to the outside, so that a healthy working environment is created;
In the process, the fan 221 drives the main magnetic pole wheel 223 to rotate forward through the plurality of linkage rods 260, the magnetic attraction drives the auxiliary magnetic pole wheel 333 to rotate forward, the fan blades 332 are driven to rotate forward, external air flow is introduced from the air suction pipe 3312, the air flow is rushed into the ventilation pipe 310, and the air is discharged from the plurality of ventilation openings 321 above the air control plate 320, so that the air accumulated in the discharging cavity 120 is discharged upwards and is sucked and discharged by the fan 221;
When the injection molding is finished and the cover 110 is pulled open, the air guide pipe 211 leaves the proximity switch 230 at the right end, the fan 221 is powered off and does not work, the air guide pipe 211 moves to the proximity switch 230 at the left end, the electromagnet 250 is triggered to be powered on and works, the main magnetic pole wheel 223 is driven to reversely idle on the output shaft of the fan 221, the clamping groove 2234 presses the linkage rod 260 to slide, and the auxiliary magnetic pole wheel 333 is not interfered, so that the fan blade 332 is driven to reversely rotate, and the air generated by the plastic product is sucked through the ventilation pipe 310 and the ventilation openings 321 below the air control plate 320, and is further discharged into the filter 242 from the air filter pipe 3311 for purification and discharge, so that a large amount of scattered plastic air is not generated during the whole production of the plastic product and the placement of the plastic product.
It should be noted that the foregoing embodiments are merely illustrative of the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement the same, not to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (6)
1. The utility model provides a ventilation unit for silica gel gutta-percha is moulded plastics, includes closing cap (110) of injection molding machine body (100) and inside compound die department grafting thereof, compound die department below of injection molding machine body (100) is provided with ejection of compact chamber (120), the front end port joint of ejection of compact chamber (120) has closing door (130), its characterized in that: the sealing cover (110) is of a semi-surrounding structure and covers the outside of a die closing part, a ventilation group (200) for generating plastic gas after drainage and die opening is arranged at the rear of the sealing cover (110), and the ventilation group (200) comprises a wind collecting cover (210) embedded in the top surface of the sealing cover (110), an air draft group (220) for sucking the plastic gas in the sealing cover (110), a proximity switch (230) for sensing the closing of the sealing cover (110) and triggering the air draft group (220) to work, and a filter bellows (240) for sealing and installing the air draft group (220);
One side of the wind gathering cover (210) is communicated with an air guide pipe (211), the top of the air filtering box (240) is provided with a T-shaped air inlet pipe frame (241), the vertical section of the air inlet pipe frame (241) is communicated with the front side surface of the air filtering box (240), the horizontal section of the air inlet pipe frame (241) is slidably clamped with the bottom end of the vertical bending section of the air guide pipe (211), and the proximity switch (230) is arranged on the right end of the horizontal section of the air inlet pipe frame (241) and is close to the vertical section of the air guide pipe (211) moving to the right end to touch an exhaust group (220) circuit; the air draft group (220) comprises a fan (221) arranged in the rear of the top of the air draft box (240), an air cover (222) arranged in the front of the top of the air draft box (240) and air outlet pipes (2221) spliced on two sides of the arc surface of the air cover (222), a filter body (242) is arranged in the bottom of the air draft box (240), an exhaust pipe (2401) is communicated with the rear side of the bottom of the air draft box (240), and disc-shaped covers are sleeved at the bottom ends of the two air outlet pipes (2221) and are matched with the top of the filter body (242) in a clamping manner; the inside of the wind collecting cover (210) is of a cavity structure and is provided with an opening at the bottom surface, the inside of the wind collecting cover (210) is clamped with wind filtering cotton (212), the middle part of the side edge of the wind filtering cotton (212) is inserted with a wind dispersing plate (213) which is of a cavity and is provided with openings at the two side surfaces, a plurality of through holes (214) are correspondingly arranged on the upper surface and the lower surface of the wind dispersing plate (213), and the inner diameter of the plurality of through holes (214) positioned on the lower surface is larger than that of the plurality of through holes (214) positioned on the upper surface;
A wind control group (300) is arranged in the discharging cavity (120), and the wind control group (300) comprises a ventilation pipe (310) penetrating through the front middle part of the air filtering box (240) and extending into the discharging cavity (120), a wind control plate (320) sleeved on the ventilation pipe (310) and a wind guiding group (330) coaxially connected with the rear end of the ventilation pipe (310); a plurality of air outlet grooves (311) are formed in the top surface of the ventilation pipe (310) at equal intervals, the air control plate (320) is splayed, a cavity cylinder is integrally formed at the top edge of the air control plate, the cavity cylinder is sleeved with the ventilation pipe (310) and can rotate, ventilation cavities (322) which are arranged in an upper layer and a lower layer are formed in the air control plate (320) and are positioned on two sides of each air outlet groove (311), a plurality of ventilation openings (321) which are communicated with each ventilation cavity (322) are formed in the upper surface and the lower surface of the air control plate (320), and the ventilation cavities (322) penetrate through the top of the cavity cylinder and are communicated with the air outlet grooves (311);
The air induction group (330) comprises a fan blade cover (331), fan blades (332) and auxiliary magnetic pole wheels (333) which are coaxially connected, a main magnetic pole wheel (223) capable of idling and rotating along with the output shaft is sleeved on the output shaft of the fan (221), an electromagnet (250) for driving the main magnetic pole wheel (223) to idle and driving the auxiliary magnetic pole wheels (333) to rotate is arranged on the top surface of the air filter box (240), a filter air pipe (3311) is communicated at the bottom of the fan blade cover (331), an air suction pipe (3312) is communicated at the rear side surface of the filter air pipe (3311), a one-way air valve (334) is embedded below the filter air pipe (3311), a one-way air valve (334) is embedded in the filter air pipe (3312), when the fan blade cover (3312) discharges air downwards, the one-way air valve (334) on the filter air pipe (3311) is opened, the one-way air valves (334) on the filter air pipe (3312) are closed, and when the two one-way air valves (334) suck air upwards, otherwise;
The utility model discloses a magnetic shielding device for the air inlet pipe support, including main magnetic pole wheel (223), air inlet pipe support (241) horizontal segment's left end is last installs proximity switch (230), and this proximity switch (230) is close with the vertical section of guide duct (211) that moves to the left end and touches electromagnet (250) circuit, be equipped with wheel core cover (2233) on the center pin of main magnetic pole wheel (223), wheel core cover (2233) cup joints with the output shaft of fan (221), the ring channel has been seted up to the extrados of main magnetic pole wheel (223) and equidistant a plurality of magnetic path (2231) of inlaying in the ring channel, and inlays between every adjacent two magnetic path (2231) and is equipped with magnetism shielding plate (2232), the structure of vice magnetic pole wheel (333) is the same with main magnetic pole wheel (223), and the size is different.
2. The ventilation device for injection molding of a gel gum according to claim 1, wherein: the top surface of closing cap (110) has seted up lid notch (111), one side of lid notch (111) and top surface and the trailing flank that are located closing cap (110) have seted up tub notch (112), gather wind lid (210) and guide duct (211) respectively with lid notch (111) and tub notch (112) joint cooperation.
3. The ventilation device for injection molding of a gel gum according to claim 2, wherein: the rear end inner wall of wheel core cover (2233) is annular equidistant and has seted up a plurality of draw-in grooves (2234), draw-in groove (2234) are inserted and are had gangbar (260), one side of gangbar (260) is connected with the output shaft outer wall rotation of fan (221), the medial surface of gangbar (260) bonds and has shell fragment (261) that are the V type, and the other side of shell fragment (261) inlays in the breach of seting up on the output shaft.
4. A ventilation device for injection molding of a gel gum according to claim 3, wherein: the inner diameter of the second half section of the wheel core sleeve (2233) is larger than the outer diameter of the output shaft of the fan (221), and the inner diameter of the first half section of the wheel core sleeve (2233) is matched with the outer diameter of the output shaft of the fan (221).
5. The ventilation device for injecting gel dental gel according to claim 4, wherein: every right in upper and lower interlayer upper end in ventilation chamber (322) has all seted up board mouth (3221), joint has in board mouth (3221) and is perpendicular air regulating board (323) of bending, and the corner side of a row of a plurality of air regulating boards (323) of homonymy has pegged graft and has been transferred wind pole (324), and the front end of air regulating board (323) is run through to one end of transferring wind pole (324).
6. The ventilation device for injection molding of a gel gum according to claim 5, wherein: the lower end of the plate opening (3221) is provided with a limiting sheet (3222), and the air adjusting plate (323) contacts with the limiting sheet (3222) to limit when being overturned.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410064902.5A CN117799115B (en) | 2024-01-16 | 2024-01-16 | Ventilation device for injection molding of silica gel gutta-percha |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410064902.5A CN117799115B (en) | 2024-01-16 | 2024-01-16 | Ventilation device for injection molding of silica gel gutta-percha |
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| CN117799115B true CN117799115B (en) | 2024-06-25 |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110920004A (en) * | 2019-11-19 | 2020-03-27 | 吴中区甪直磊鑫模具厂 | Injection mold capable of rapidly dissipating heat |
| CN210851078U (en) * | 2019-10-10 | 2020-06-26 | 圣创实业(深圳)有限公司 | Injection molding machine feeding device capable of improving plastic molding quality |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213648563U (en) * | 2020-08-28 | 2021-07-09 | 武汉昆仑塑业有限公司 | Modular injection mold |
| CN213166511U (en) * | 2020-09-15 | 2021-05-11 | 上海侠盈塑料盐城有限公司 | Injection molding device for processing thermoplastic plastic products |
| CN216732724U (en) * | 2022-02-16 | 2022-06-14 | 重庆安丰塑胶科技有限公司 | Injection molding device |
| CN218535515U (en) * | 2022-10-21 | 2023-02-28 | 惠州市兴强达管业有限公司 | Injection molding machine screw rod for plastic processing |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210851078U (en) * | 2019-10-10 | 2020-06-26 | 圣创实业(深圳)有限公司 | Injection molding machine feeding device capable of improving plastic molding quality |
| CN110920004A (en) * | 2019-11-19 | 2020-03-27 | 吴中区甪直磊鑫模具厂 | Injection mold capable of rapidly dissipating heat |
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