CN203805281U - Injection molding machine and rotary melt distribution valve thereof - Google Patents
Injection molding machine and rotary melt distribution valve thereof Download PDFInfo
- Publication number
- CN203805281U CN203805281U CN201420045496.XU CN201420045496U CN203805281U CN 203805281 U CN203805281 U CN 203805281U CN 201420045496 U CN201420045496 U CN 201420045496U CN 203805281 U CN203805281 U CN 203805281U
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- China
- Prior art keywords
- spool
- opening
- valve
- distributing valve
- melt
- Prior art date
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- Expired - Lifetime
Links
- 238000001746 injection moulding Methods 0.000 title abstract description 4
- 239000000155 melt Substances 0.000 claims abstract description 15
- 238000013016 damping Methods 0.000 claims abstract description 6
- 238000007514 turning Methods 0.000 claims description 35
- 239000003292 glue Substances 0.000 claims description 34
- 238000002347 injection Methods 0.000 claims description 26
- 239000007924 injection Substances 0.000 claims description 26
- 239000011230 binding agent Substances 0.000 claims description 22
- 238000005461 lubrication Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000007306 turnover Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 230000001055 chewing effect Effects 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 6
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000001050 lubricating effect Effects 0.000 abstract 2
- 238000011109 contamination Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 9
- 230000009471 action Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 235000015111 chews Nutrition 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 206010039424 Salivary hypersecretion Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 208000026451 salivation Diseases 0.000 description 1
- 238000007789 sealing 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/302—Extrusion nozzles or dies being adjustable, i.e. having adjustable exit sections
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/30—Extrusion nozzles or dies
- B29C48/301—Extrusion nozzles or dies having reciprocating, oscillating or rotating 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/926—Flow or feed rate
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92819—Location or phase of control
- B29C2948/92857—Extrusion unit
- B29C2948/92904—Die; Nozzle zone
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Multiple-Way Valves (AREA)
Abstract
The utility model discloses an injection molding machine and a rotary melt distribution valve thereof. The injection molding machine comprises a gel injecting part, wherein the gel injecting part comprises a rotary melt distribution valve; the rotary melt distribution valve comprises an injecting nozzle, an injecting nozzle flange, a valve element mounted in the valve hole of the injecting nozzle flange and a power controlling mechanism used for driving the valve element to rotate; a fit clearance is formed in the fitting part of the valve element and the valve hole; lubricating grooves used for increasing the fit clearance damping of the valve element and valve hole, gel gathering grooves used for collecting the melt leaked in the fit clearance, and gel discharging holes used for discharging the collected melt out of the valve element are formed in the valve element; the lubricating grooves are arrange on the outer surface of the fitting part of the valve element and the valve hole at intervals; the gel gathering grooves are communicated with the fit clearance; the gel discharging holes are communicated with the gel gathering grooves. According to the utility model, the gel leaking in the fit clearance of the valve element and the valve hole can be well collected and discharged by the rotary melt distribution valve; the rotary melt distribution valve has self-cleaning capability, so that products can be prevented from contamination.
Description
Technical field
The utility model relates to injection molding technology field, relates in particular to a kind of Jet forming machine and rotary melt distributing valve thereof.
Background technology
At present, conventional melt distributing valve mainly contains Direct Action Type melt distributing valve, controlled locking type distributing valve, needle valve melt distributing valve and springlock closed form distributing valve.
As shown in Figure 1a, it is the structural representation of traditional Direct Action Type melt distributing valve.This Direct Action Type melt distributing valve 100 comprise penetrate chew 101, with penetrate chew 101 coordinate penetrate the coldplate 105 of chewing flange 102, be arranged on spool 103 in valve opening 106, drive the control oil cylinder 104 that spool 103 rotates and be arranged on spool 103 between control oil cylinder 104.Its operation principle is: the through hole (not shown) of offering respectively two different directions at the diverse location of spool 103, controlling oil cylinder 104 drives spool 103 to do round rectilinear motion along the direction of arrow A-A in valve opening 106, make different through-hole alignment melt flow channel 107 on spool 103 with realize to melt-flow to control, or make the through hole on spool 103 turn over certain angle to block melt flow channel 107.This Direct Action Type distributing valve 100 has precise control, the advantages such as part long service life, but conventionally have gap in the cooperation place of spool 103 and valve opening 106, the melt in runner 107 easily spills from this gap, this melt is polluted product because discharging in time decomposes.This Direct Action Type melt distributing valve 100 is installed on high temperature and penetrates and chew on flange 102 because controlling oil cylinder 104 simultaneously, controls and is vulnerable to high-temperature baking and aging with hydraulic oil and seal, and the life-span is short, fault rate is high.
As shown in Figure 1 b, it is the structural representation of traditional controlled locking type distributing valve.This controlled locking type distributing valve 200 comprise penetrate chew 201, with penetrate chew 201 coordinate penetrate and chew the control cylinder (not shown) that flange 202, spool 203 and drive link 204 are rotated, connecting rod 204 is with movable valve plug 203 to rotate in valve opening, and then realizes the control to melt flow channel 205.This controlled locking type distributing valve 200 has easy to use, and cut-off is reliable, and the loss of melt injection pressure is little, the advantages such as the accurate measurement to melt.But this controlled locking type distributing valve only has the application of single fluid passage control at present, there is no Dual-fluid channel control function, and in the cooperation place of spool 203 and valve opening, there is equally gap, melt in melt flow channel 205 easily spills from this gap, and this melt cannot be discharged decomposes in time and product is polluted.
As shown in Fig. 1 c, it is the structural representation of traditional needle valve melt distributing valve.This needle valve melt distributing valve 300 comprise penetrate chew 301, with penetrate chew 301 coordinate penetrate and chew flange 302, be arranged on and penetrate the needle 303 chewed in 301, drive needle 303 to do the drive rod 306 that straight-line connecting rod 305 and drive link 305 are rotated, this drive rod 306 drives by controlling oil (gas) cylinder.This needle valve melt distributing valve 300 is by driving 303 actions of oil (gas) cylinder valve needle to realize the break-in facility to melt flow channel.Its advantage is: bulk is little, has shortened to penetrate and has chewed 301 length, and melt flow channel is reliably blocked.Shortcoming is: complex structure; Because needle 303 exists elliptical gear, therefore it all has higher requirements to part material and machining accuracy, and the life-span is shorter; Be subject to the impact of back pressure in Shooting Technique, this needle valve melt distributing valve 300 can only be used for low back pressure occasion; Tibetan glue in part fit clearance is difficult for discharging, and decomposes is by polluted product.Needle valve melt distributing valve also only has single fluid passage on-off function.
As shown in Figure 1 d, it is the structural representation of traditional springlock closed form distributing valve.This springlock closed form distributing valve 400 comprises penetrating to be chewed 401, chews that penetrating of 401 cooperations chewed flange 402, is arranged on needle 403 on needle holder 406, the spring fitting bar 405 connected with needle 403, is arranged on the spring 404 on spring fitting bar 405 and is connected and penetrate the adpting flange 407 of chewing flange 402 with penetrating.This springlock closed form distributing valve 400 is to act on and on needle 403, achieve the break-in facility to melt flow channel by spring 404 elastic force.This springlock closed form distributing valve 400 has following shortcoming: because spring 404 is worked under hot environment, use for a long time rear spring 404 easily to lose efficacy and make needle 403 unreliable to blocking of melt flow channel; Needle 403 exists elliptical gear in motion process, and it is higher to part material and requirement on machining accuracy; These springlock closed form distributing valve 400 complex structures, glue is easily hidden at part fit clearance place, hides glue and is difficult for discharging, and decomposes is by polluted product.Can only be used for single fluid channel enclosed, prevent from penetrating and chew salivation.
The melt distributing valve of above four kinds of different structures, although can reach to melt flow channel block or control melt-flow to effect, all not complete, well solve collection and the concentrated discharge problem of between part fit clearance, hiding glue.
Summary of the invention
The technical problems to be solved in the utility model is to occur the phenomenon of melt leakage because the spool of traditional melt distributing valve and valve opening exist gap between coordinating, and after leaking, melt cannot be discharged and problem that product is polluted in time.
For solving the problems of the technologies described above, the utility model proposes a kind of rotary melt distributing valve, comprise: penetrate and chew, penetrate and chew flange, be arranged on the spool of penetrating in the valve opening of chewing flange, drive the power control unit of described valve core rotation, described spool and described valve opening form a fit clearance in both cooperation places, on described spool, be provided with the lubrication groove for strengthening described spool and the damping of described valve opening fit clearance, for collecting the poly-glue groove of the described fit clearance melt that bleeds and for the melt collected being discharged to the binder removal hole of spool, described lubrication groove is disposed on the outer surface of cooperation place of described spool and described valve opening, described poly-glue groove is connected with described fit clearance, described binder removal hole is connected with described poly-glue groove.
Described rotary melt distributing valve, is also provided with the leakage material joint being connected with described binder removal hole on described spool.
Described rotary melt distributing valve, described spool is provided with becket mounting groove, and an elastic metallic ring is fixed in described becket mounting groove, and described becket coordinates with described valve opening elastic tensioning.
Described rotary melt distributing valve, one end of described spool is connected with turning arm, and the plane of described turning arm and the axis of described spool vertical, between described power control unit and described turning arm, be provided with pull bar.
Described rotary melt distributing valve, the junction of described spool and described turning arm, described turning arm and described connecting rod junction are equipped with heat insulating element.
Described rotary melt distributing valve, described turning arm is provided with driving key link stopper away from an end face of described spool, and the plane of described driving key link stopper is vertical with the axis of described spool, described driving key link stopper is positioned at described turning arm on the axis direction of described spool.
Described rotary melt distributing valve, described spool has a melt via, described melt via is three-dimensional via, described three-dimensional via comprises the first opening, the second opening and the 3rd opening, it is one T-shaped that described three-dimensional via forms, described the first opening communicates with described the second opening level, described the 3rd opening all with described the first opening and vertical the communicating of described the second opening, in the time that described power control unit drives described spool to turn over an angle, described the first opening, when the injection flow passage of described the second opening and described rotary melt distributing valve is horizontal, described the first opening, described the second opening and described injection flow passage conducting, described the 3rd opening cut-off, in the time that described power control unit drives described spool to turn over another angle, described the first opening, when described the second opening and described injection flow passage are perpendicular, described the first opening and described injection flow passage are truncated, described the second opening and described the 3rd opening conducting.
Described rotary melt distributing valve, described spool is provided with the first locating piece near one end of described power control unit, the other end of described spool is provided with the second locating piece, and described the first locating piece and described the second locating piece are positioned at described spool the axis direction of described spool.
Described rotary melt distributing valve, described the first locating piece is drilled with the Model For The Bush-axle Type Parts of through hole in the middle of being, and described the first locating piece is enclosed within on an end of described spool, and described the second locating piece is fixed on the other end of spool.
The utility model separately provides a kind of Jet forming machine, comprises injection parts, and described injection parts comprise rotary melt distributing valve described above.
Compared with prior art, the utlity model has following beneficial effect: rotary melt distributing valve of the present utility model by offering lubrication groove on spool, collection glue groove and binder removal hole, strengthen melt and entered the damping of spool and valve opening fit clearance, reduce the leakage of melt, simultaneously in order further to prevent that melt from flowing out from the fit clearance of spool and valve opening, collection glue groove is set for collecting the melt of bleed spool and valve opening fit clearance, and the melt after collecting is discharged by binder removal hole, make this spool can well keep the clean of its inside, make product avoid polluting.
Brief description of the drawings
Fig. 1 a is the structural representation of traditional Direct Action Type melt distributing valve.
Fig. 1 b is the structural representation of traditional controlled locking type distributing valve.
Fig. 1 c is the structural representation of traditional needle valve melt distributing valve.
Fig. 1 d is the structural representation of traditional springlock closed form distributing valve.
Fig. 2 is the three-dimensional assembling schematic diagram of the rotary melt distributing valve of the utility model.
Fig. 3 a is the structural representation of the rotary melt distributing valve of the utility model spool.
Fig. 3 b is the generalized section along transversal B-B in Fig. 3 a.
Fig. 4 is the generalized section of the rotary melt distributing valve of the utility model spool.
Fig. 5 a to Fig. 5 d is that the rotary melt distributing valve of the utility model is applied to structural representation and the fundamental diagram on premelting Jet forming machine.
Fig. 5 e is the generalized section along Fig. 3 a transversal C-C.
Fig. 6 a to Fig. 6 d is that the rotary melt distributing valve of the utility model is applied to structural representation and the fundamental diagram on common Jet forming machine.
Wherein, description of reference numerals is as follows: 1, She Zui; 2, the first locating piece; 3, heat insulating element; 4, driving key link stopper; 5, turning arm; 6, trundle; 7, heat insulating element; 8, pull bar; 9, power control unit; 10, leak material joint; 11, becket; 12, penetrate and chew flange; 121, valve opening; 122, melt flow channel; 13, the second locating piece; 14, spool; 140, melt via; 141, lubrication groove; 142, poly-glue groove; 143, binder removal hole; 144, fit clearance; 145, binder removal passage; 15, melten gel flange; 151, fritting runner; 16, adpting flange; 17, injection cylinder; 18, rubber melting cylinder; 19, melt; 20, rotary melt distributing valve; 21, injection flow passage; 22, injection flow passage.
Detailed description of the invention
In order to further illustrate principle of the present utility model and structure, now by reference to the accompanying drawings preferred embodiment of the present utility model is elaborated.
Please refer to Fig. 2, it is the three-dimensional assembling schematic diagram of the rotary melt distributing valve of the utility model.Rotary melt distributing valve 20 comprises penetrating to be chewed 1, chews 1 penetrate and chew flange 12, be arranged on to penetrate and chew the spool 14 of flange 12 valve openings 121, the power control unit 9 that drives spool 14 to rotate for installing to penetrate.More specifically, this rotary melt distributing valve 20 also comprise be arranged on spool 14 near the turning arm 5 of power control unit 9 one end, connect the pull bar 8 of turning arm 5 and power control unit 9, pull bar 8 one end are threaded with power control unit 9; The other end is connected with turning arm 5 by trundle 6.The plane of this turning arm 5 is vertical with the axis of spool 14.The operation principle of this rotary melt distributing valve 20 is: power control unit 9 drives pull bar 8 to move, pull bar 8 driven rotary arms 5 rotate (as shown in Figure 5 a), under the effect of turning arm 5, spool 14 is along the radial rotating (as shown in Figure 5 b) of spool 14, make the melt via 140 different position in spool 14 respectively of spool 14, and then realize break-make control to melt flow channel 122 and melt-flow to controlling (as shown in Fig. 5 c and 5d).
More preferably, as shown in Fig. 3 a, Fig. 3 b and Fig. 4, on spool 14, be also provided with lubrication groove 141, poly-glue groove 142 and binder removal hole 143.Lubrication groove 141 is that a cross section is roughly U-shaped trench structure, its radial direction along spool 14 is extended, multiple lubrication grooves 141 are disposed on the outer surface of cooperation place EF (the cooperation place EF of this spool 14 is arranged in valve opening 121) of spool 14 and valve opening 121, and the center line of melt via 140 is symmetrical set relatively.Lubrication groove 141 is mainly used in adding big valve core 14 and valve opening 121 fit clearance dampings, to reduce the leakage rate of spool 14 and valve opening 121 fit clearances.And please also refer to Fig. 2, spool 14 forms fit clearance 144 with the cooperation place EF of valve opening 121, poly-glue groove 142 is connected with fit clearance 144, poly-glue groove 142 is arranged on the two ends place of spool 14 and valve opening 121 cooperation place EF, this poly-glue groove 142 is recessed to the radial direction of spool 14 by the outer surface of spool 14, form a semi-circular recesses, so that the melt of the outflow from fit clearance 144 is collected in groove.Poly-glue groove 142 is arranged on left and right sides and the upper and lower sides of melt via 140, and symmetrical with respect to the center line of melt via 140.As shown in Figure 3 b, binder removal hole 143 be arranged on poly-glue groove 142 under and be positioned on the axis of spool 14.Correspondence is gathered the below of glue groove 142 and multiple binder removal passages 145 is set on the radial section of spool 14, between adjacent two binder removal passages 145, is roughly 90 degree.Binder removal hole 143 is positioned at the place that converges of multiple binder removal passages 145, and is connected with poly-glue groove 142 by binder removal passage 145.As shown in the flow arrows in Fig. 4, melt flows out from melt via 140, then flow in the fit clearance 144 of spool 14 and valve opening 121, first lubrication spool 14, be collected into again in poly-glue groove 142, import to binder removal hole 143 through multiple binder removal passages 145 again, final, leak glue and discharge spool 14 from the leakage material joint 10 being connected with binder removal hole 143.By this, make this at high temperature flexible movements of rotary melt distributing valve 20, be difficult for stuckly, and be difficult for hiding glue, there is the function of automated cleaning.
Further, as shown in Figure 4, on this spool 14 and the both sides that are positioned at poly-glue groove 142 be provided with becket mounting groove, becket 11 is fixedly mounted in becket mounting groove, and packs in valve opening 121 with spool 14.This becket 11 has elasticity, because becket 11 adopts elastic tensioning to coordinate with valve opening 121, becket 11 is installed in valve opening 121 to be had to the characteristic of valve opening expansion, therefore, in the situation that spool 14 is worn, the gap of generation between becket 11 compensating spools 14 and valve opening 121, ensures positiver sealing to melt, does not leak glue.
Better, this rotary melt distributing valve can be applicable to respectively common Jet forming machine and has the premelting Jet forming machine of preformed screw rod and storage device or squeeze compound Jet forming machine.When for premelting Jet forming machine or while squeezing compound Jet forming machine, the melt via 140 on its spool 14 is three-dimensional via, as shown in Fig. 5 a-5e.As shown in Figure 5 c, premelting Jet forming machine comprise rotary melt distributing valve 20, the injection cylinder 17 that matches with rotary melt distributing valve 20, rubber melting cylinder 18, for the melten gel flange 15 of rubber melting cylinder 18 being installed and for being connected the adpting flange 16 of melten gel flange 15 and rotary melt distributing valve 20.
As Fig. 5 e, Fig. 5 e is along the generalized section of Fig. 3 a transversal C-C, has three-dimensional via on spool 14, and this three-dimensional via is roughly a T font, and this three-dimensional via comprises the first opening a, the second opening b and the 3rd opening c.The first opening a communicates with the second opening b level, and the first opening a and the second opening b form the upper part " " of T font, and the 3rd opening c and the first opening a be with second opening b is vertical communicates, the lower part " ︱ " of the 3rd opening c formation T font.As shown in 5a and Fig. 5 c, in the time that Power Drive Unit 9 drives pull bar 8 motions to drive turning arm 5 to rotate, spool 14 turns over an angle under the effect of turning arm 5, now, the first opening a and the second opening b and injection flow passage 21 are horizontal, and the first opening a and the 3rd opening c be in vertical position, injection flow passage 21 conductings, fritting runner 151 is truncated, and now carries out action of injection.As shown in 5b and Fig. 5 d, when driving turning arm 5, Power Drive Unit 9 is with movable valve plug 14 to turn over another angle, now, the first opening a and the second opening b and injection flow passage 21 are in vertical position, the first opening a and the 3rd opening c are horizontal, injection flow passage 21 is truncated, and fritting storing is now carried out in 151 conductings of fritting runner.
In the time that this rotary melt distributing valve is applicable to common Jet forming machine, as shown in Fig. 6 a-6d, on spool 14, have two-way admittance hole, this two-way admittance hole comprises the first opening e and the second opening f, and the first opening e and the second opening f level are connected.As shown in Fig. 6 a and Fig. 6 c, when driving turning arm 5, Power Drive Unit 9 is with movable valve plug 14 to turn over an angle, and the first opening e and the second opening f and injection flow passage 22 are horizontal, and injection flow passage 22 conductings, now inject.As shown in Fig. 6 b and Fig. 6 d, when driving turning arm 5, Power Drive Unit 9 is with movable valve plug 14 to turn over another angle, and the first opening e and the second opening f and injection flow passage 22 are perpendicular, and injection flow passage 22 is truncated.
Further again, as shown in Figure 2, spool 14 is respectively equipped with heat insulating element 3,7 with junction and the turning arm 5 of turning arm 5 with connecting rod 8 junctions.The heat that this heat insulating element 3,7 has solved spool 14 melt vias 140 is effectively passed to power control unit 9, thereby damages its seal, causes the problem of power control unit 9 leakage of oils (gas).
Further, as shown in Figure 2, between turning arm 5 and spool 14, driving key (not shown) is housed, this driving key is connected with spool, also be provided with the driving key link stopper 4 being connected with driving key away from an end face of spool 14 at turning arm 5, and the plane of this driving key link stopper 4 is vertical with the axis of spool 14.This driving key link stopper 4 is positioned at turning arm 5 and driving key on the axis direction of spool 14.
Further again, as shown in Figure 2, the front and back end position of spool 14 in valve opening 121 is respectively equipped with the first locating piece 2 and the second locating piece 13.The first locating piece 2 is the middle Model For The Bush-axle Type Parts that is drilled with through hole, it is enclosed within on spool 14, and by heat insulating element 3 in its two end supports on spool 14, an end face of the first locating piece 2 is chewed the plane contact processing on flange 12 with penetrating, an other end face is pushed down by the side of turning arm 5.The second locating piece 13 is screwed in the rearward end of spool 14, for locating spool 14, spool 14 can not be moved on its axis direction.The first locating piece 2 and the second locating piece 13 cooperatively interact, and spool 14 is positioned at and penetrates in the valve opening 121 of chewing flange 12.
Power control unit in above-described embodiment can be oil cylinder or cylinder.
The melt that the utility model is mentioned can be the high-temp liquid of glue.Certainly, melt of the present utility model can also be other high-temp liquids.
The utlity model has following technique effect:
1. on rotary melt distributing valve spool of the present utility model, offer lubrication groove, collection glue groove, binder removal hole, lubrication groove the damping that has strengthened spool and valve opening fit clearance is set, collection glue groove is collected the leakage glue that enters spool and valve opening fit clearance, the leakage glue that is collected in collection glue groove is discharged in binder removal hole, because the leakage glue between spool and valve opening fit clearance has obtained good collection and discharge, therefore this spool can well keep the clean of its inside, make product avoid polluting, can better be applicable to production opaque products.
2. rotary melt distributing valve of the present utility model is by being provided with three-dimensional via, can be applied to and there is the Jet forming machine of preformed screw rod and storage device premelting or squeeze compound Jet forming machine, melt flow channel is reliably blocked with melt-flow to control.
3. rotary melt distributing valve of the present utility model produces the Lou problem of glue by what arrange on spool that becket solved that common melt distributing valve exists because of valve parts depreciation.
4. rotary melt distributing valve of the present utility model has been set up pull bar between power control unit and turning arm, the heat that has greatly strengthened high-temperature fusant reaches the course of power control unit, simultaneously, between spool and turning arm, turning arm and pull bar, be equipped with heat insulating element, well avoid the heat of high-temperature fusant to conduct to power control unit, and then damaged the problem of power control unit seal.Heat insulation mode of the present utility model is easy, reliable, and power control unit is not needed to cooling medium circulating cooling, and power control unit is long compared with other existing melt distributing valve service life.And the utility model is incorporated into binary channels melt-flow in same distributing valve structure to controlling the advantage that not affected by high-temperature baking with power control unit.
5. the turning arm of rotary melt distributing valve of the present utility model is arranged on the end of rotary spool, and its Plane of rotation is vertical with valve core axis, therefore power control unit can be arranged on the position far away apart from spool, this has well solved because Jet forming machine is penetrated problem that bottle neck bit space limited to and high temperature valve body and caused hydraulic oil and the aging problem of seal to controlling oil cylinder baking.
These are only better possible embodiments of the present utility model, and unrestricted protection domain of the present utility model, the equivalent structure that all utilization the utility model descriptions and accompanying drawing content have been done changes, and is all included in protection domain of the present utility model.
Claims (1)
1. a rotary melt distributing valve, comprise: penetrate and chew, penetrate and chew flange, be arranged on the spool of penetrating in the valve opening of chewing flange, drive the power control unit of described valve core rotation, described spool and described valve opening form a fit clearance in both cooperation places, it is characterized in that, on described spool, be provided with the lubrication groove for strengthening described spool and the damping of described valve opening fit clearance, for collecting the poly-glue groove of the described fit clearance melt that bleeds and for the melt collected being discharged to the binder removal hole of spool, described lubrication groove is disposed on the outer surface of cooperation place of described spool and described valve opening, described poly-glue groove is connected with described fit clearance, described binder removal hole is connected with described poly-glue groove.
2. rotary melt distributing valve as claimed in claim 1, is characterized in that, is also provided with the leakage material joint being connected with described binder removal hole on described spool.
3. rotary melt distributing valve as claimed in claim 1, is characterized in that, described spool is provided with becket mounting groove, and an elastic metallic ring is fixed in described becket mounting groove, and described becket coordinates with described valve opening elastic tensioning.
4. rotary melt distributing valve as claimed in claim 1, it is characterized in that, one end of described spool is connected with a turning arm, and the plane of described turning arm is vertical with the axis of described spool, between described power control unit and described turning arm, is provided with pull bar.
5. rotary melt distributing valve as claimed in claim 4, is characterized in that, the junction of described spool and described turning arm, described turning arm and described connecting rod junction are equipped with heat insulating element.
6. rotary melt distributing valve as claimed in claim 4, it is characterized in that, described turning arm is provided with driving key link stopper away from an end face of described spool, and the plane of described driving key link stopper is vertical with the axis of described spool, described driving key link stopper is positioned at described turning arm on the axis direction of described spool.
7. rotary melt distributing valve as claimed in claim 1, it is characterized in that, described spool has a melt via, described melt via is three-dimensional via, described three-dimensional via comprises the first opening, the second opening and the 3rd opening, it is one T-shaped that described three-dimensional via forms, described the first opening communicates with described the second opening level, described the 3rd opening all with described the first opening and vertical the communicating of described the second opening, in the time that described power control unit drives described spool to turn over an angle, described the first opening, when the injection flow passage of described the second opening and described rotary melt distributing valve is horizontal, described the first opening, described the second opening and described injection flow passage conducting, described the 3rd opening cut-off, in the time that described power control unit drives described spool to turn over another angle, described the first opening, when described the second opening and described injection flow passage are perpendicular, described the first opening and described injection flow passage are truncated, described the second opening and described the 3rd opening conducting.
8. rotary melt distributing valve as claimed in claim 1, it is characterized in that, described spool is provided with the first locating piece near one end of described power control unit, the other end of described spool is provided with the second locating piece, and described the first locating piece and described the second locating piece are positioned at described spool the axis direction of described spool.
9. rotary melt distributing valve as claimed in claim 8, it is characterized in that, described the first locating piece is drilled with the Model For The Bush-axle Type Parts of through hole in the middle of being, described the first locating piece is enclosed within on an end of described spool, and described the second locating piece is fixed on the other end of described spool.
10. a Jet forming machine, comprises injection parts, and described injection parts comprise the rotary melt distributing valve as described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045496.XU CN203805281U (en) | 2014-01-24 | 2014-01-24 | Injection molding machine and rotary melt distribution valve thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420045496.XU CN203805281U (en) | 2014-01-24 | 2014-01-24 | Injection molding machine and rotary melt distribution valve thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203805281U true CN203805281U (en) | 2014-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420045496.XU Expired - Lifetime CN203805281U (en) | 2014-01-24 | 2014-01-24 | Injection molding machine and rotary melt distribution valve thereof |
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| Country | Link |
|---|---|
| CN (1) | CN203805281U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737888A (en) * | 2014-01-24 | 2014-04-23 | 震雄机械（深圳）有限公司 | Injection molding machine and rotary melt distributing valve thereof |
| CN111923338A (en) * | 2020-09-17 | 2020-11-13 | 潍坊工程职业学院 | Circulating injection molding machine |
| CN113715294A (en) * | 2021-08-09 | 2021-11-30 | 青岛橡六胶管有限公司 | Rubber tube extrusion all-in-one machine |
-
2014
- 2014-01-24 CN CN201420045496.XU patent/CN203805281U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737888A (en) * | 2014-01-24 | 2014-04-23 | 震雄机械（深圳）有限公司 | Injection molding machine and rotary melt distributing valve thereof |
| CN103737888B (en) * | 2014-01-24 | 2016-05-04 | 震雄机械（深圳）有限公司 | Jet forming machine and rotary melt distributing valve thereof |
| CN111923338A (en) * | 2020-09-17 | 2020-11-13 | 潍坊工程职业学院 | Circulating injection molding machine |
| CN111923338B (en) * | 2020-09-17 | 2021-01-26 | 潍坊工程职业学院 | Circulating injection molding machine |
| CN113715294A (en) * | 2021-08-09 | 2021-11-30 | 青岛橡六胶管有限公司 | Rubber tube extrusion all-in-one machine |
| CN113715294B (en) * | 2021-08-09 | 2023-08-01 | 青岛橡六胶管有限公司 | Rubber tube extrusion integrated machine |
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Address after: Building G, Building 102, Zone A Office Building, Zhenxiong Industrial Park, No. 177 Renmin West Road, Jinsha Community, Kengzi Street, Pingshan District, Shenzhen City, Guangdong Province, 518000. Building A, Building B, Building C, Building D, Building E-1, Building F, Building B, Building 7, Building 8, Building 10, Building 11 Patentee after: CHEN HSONG MACHINERY (SHENZHEN) CO.,LTD. Address before: 518000, Building B-1, Building C-1, Building D, Building E-1, Building F-1, Zone B-7-B, No. 31 Renmin Middle Road, Kengzi Office, Pingshan New District, Shenzhen City, Guangdong Province Patentee before: CHEN HSONG MACHINERY (SHENZHEN) CO.,LTD. |
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Granted publication date: 20140903 |
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