CN104191589A - Gate valve cylinder structure of extruder with two parallel screw rods in same directions - Google Patents
Gate valve cylinder structure of extruder with two parallel screw rods in same directions Download PDFInfo
- Publication number
- CN104191589A CN104191589A CN201410413559.7A CN201410413559A CN104191589A CN 104191589 A CN104191589 A CN 104191589A CN 201410413559 A CN201410413559 A CN 201410413559A CN 104191589 A CN104191589 A CN 104191589A
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- Prior art keywords
- gate valve
- valve body
- cylindrical shell
- lifting shaft
- flange
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- 239000000498 cooling water Substances 0.000 claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 230000004927 fusion Effects 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 abstract description 15
- 239000011256 inorganic filler Substances 0.000 abstract description 9
- 239000012766 organic filler Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000002156 mixing Methods 0.000 abstract description 6
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000004594 Masterbatch (MB) Substances 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229910000906 Bronze Inorganic materials 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 239000010974 bronze Substances 0.000 description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000004898 kneading Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/82—Heating or cooling
- B29B7/826—Apparatus therefor
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/68—Barrels or cylinders
- B29C48/684—Barrels or cylinders having adaptable feed or discharge locations, e.g. for varying the amount of kneading by changing hopper position or discharge exit
-
- 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
- B29C48/267—Intermediate treatments, e.g. relaxation, annealing or decompression step for the melt
-
- 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
- B29C48/285—Feeding the extrusion material to the extruder
- B29C48/297—Feeding the extrusion material to the extruder at several locations, e.g. using several hoppers or using a separate additive feeding
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/50—Details of extruders
- B29C48/501—Extruder feed section
-
- 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
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
-
- 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
- B29C2948/92009—Measured parameter
- B29C2948/92019—Pressure
-
- 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
- B29C2948/92009—Measured parameter
- B29C2948/92209—Temperature
-
- 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
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
- B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
Abstract
The invention discloses a gate valve cylinder structure of an extruder with two parallel screw rods in same directions. The gate valve cylinder structure comprises a lateral feeding cylinder, a connecting cylinder and a gate valve, wherein a lateral feeding hole is formed in the side face of the lateral feeding cylinder; the connecting cylinder is connected with the lateral feeding cylinder through a flange; a concave groove is formed in the end face of the flange; a gate valve mounting seat and a melting pressure and temperature integrated sensor mounting hole are formed in the flange; the gate valve comprises an adjusting plate, a supporting plate, a sliding plate, an upper valve body, a lower valve body, a fixing plate and a lifting shaft; an adjusting handle is arranged on the lifting shaft, and the upper valve body and the lower valve body are driven to move up and down by rotating the lifting shaft. The meltability of a high polymer is controlled by adjusting the opening of the gate valve, a traditional screw rod element is not needed, and the requirement on the high-fill production process is met. Moreover, the gate valve cylinder structure is matched with an internal mixing rotor screw rod element are matched, the clearance chamber between the cylinder and the screw rod element is enlarged, and the addition amount of inorganic or organic filler to the lateral feeding hole of the lateral feeding cylinder can be improved.
Description
Technical field
The present invention relates to plastic processing machinery, especially a kind of gate valve tube structure of equidirectional parallel double-screw extruder.
Background technology
By mechanical method, in high molecular polymer, add inorganic or organic substance, to reach, make cost decline, moulding processability or the final serviceability of material improve, be referred to as high polymer filling-modified.High polymer, by filling-modified, can improve the serviceability of plastic products, produces to drop into be less than product and the technology of output, and can meet the demand that the cost of raw material declines, improves plastic material performance, expands plastic material application.
Home and abroad generally adopts equidirectional parallel double-screw extruder or incorgruous continuous internal mixer to add single screw extrusion machine and produces high filling master batch at present.
Equidirectional parallel double-screw extruder has and runs up, and screw rod self-cleaning ability is strong and residence time of material is short, high-efficient vacuumizing ability, and screw element can carry out according to technological requirement the advantage of building block system combination.But the gap cavity volume of machine barrel and traditional screw element is little, limited the loading of inorganic filler or organic filler.
Incorgruous continuous internal mixer has adopted whole mixing rotor screw-rod structure, has advantages of that the gap cavity volume of machine barrel and screw rod is large, is conducive to the production technology of inorganic filler or the organic filler of high filler loading capacity.But, the draw ratio of incorgruous continuous internal mixer is short, without vacuum capability, can not carry out according to technological requirement the adjustment of screw-rod structure, limited the expansion of its application, owing to adopting whole mixing rotor screw-rod structure to increase complexity and the cost of manufacture component, and increased maintenance cost.
Summary of the invention
Goal of the invention: the object of the invention is for high filling master batch production requirement loading large, degree of refinement height and the good processing request of covering property, to to carry, compression, mix, grind, low shearing, high yield is main process, a kind of tube structure that integrates the advantage of equidirectional parallel double-screw extruder and incorgruous continuous internal mixer is provided, it is the gate valve tube structure of equidirectional parallel double-screw extruder, equidirectional parallel double-screw extruder is had at a high speed, self-cleaning, the feature that the time of staying is short, can meet again the mixing in high filling master batch process, grind, high yield, high filling and the good requirement of covering property.
To achieve these goals, the present invention has adopted following technical scheme:
A gate valve tube structure for equidirectional parallel double-screw extruder, comprises side feed cylinder, connects cylindrical shell and gate valve, side feed cylinder side opening is provided with side spout, connects cylindrical shell and connects side feed cylinder by flange, and end face of flange offers Baltimore groove, and flange is provided with gate valve mount pad and the molten warm integrated transducer installing hole of fusion pressure, described gate valve comprises adjustable plate, gripper shoe, slide plate, upper valve body, lower valve body, fixed head and lifting shaft, gripper shoe is connected with gate valve mount pad, gripper shoe is provided with adapter sleeve III, adapter sleeve III inwall is provided with annular groove, adjustable plate is arranged on gripper shoe top, adjustable plate is provided with adapter sleeve II, slide plate, fixed head, upper valve body and lower valve body are arranged in the Baltimore groove of flange, slide plate is connected with flange, fixed head is connected with lower valve body with adjustable plate respectively, upper valve body is provided with adapter sleeve I, lifting shaft bottom and adapter sleeve I threaded engagement, lifting shaft middle part is provided with the annular shaft shoulder suitable with the annular groove of adapter sleeve III inwall, lifting shaft top and adapter sleeve II threaded engagement, lifting shaft top screw thread is contrary with lifting shaft lower thread rotation direction.
In the present invention, preferred, nature exhaust outlet is offered on described side feed cylinder top.
In the present invention, preferred, described connection cylinder inboard wall is inlayed whole hard alloy cover.
In the present invention, preferred, described side feed cylinder be connected cylindrical shell and be equipped with cylindrical shell cooling water channel.
In the present invention, preferred, described side feed cylinder be connected cylindrical shell and offer respectively survey hole of thermocouple, side feed cylinder arranges respectively electric heater with the outside that is connected cylindrical shell.
In the present invention, preferred, described upper valve body and lower valve body are equipped with valve body cooling water channel.
In the present invention, preferred, described gripper shoe is provided with scale cutter, and adjustable plate is provided with rule.
Beneficial effect: (1) can control the fusibility of high molecular polymer by the aperture of regulation gate valve, do not need to adopt traditional screw element (as kneading block, reverse thread cover etc.) to remove to control the fusibility of high molecular polymer, be beneficial to high manufacturing technique requirent of filling; (2) adopt gate valve tube structure and mixing rotor screw element to match, the gap cavity volume of machine barrel and screw element increases, and can improve inorganic filler or organic filler in the addition at the side spout place of side feed cylinder; (3) guarantee the high filling master batch of continuity large-scale production, make the quality of producing high filling master batch reach the highest level of like product in the world; (4) reduce the abrasion between cylindrical shell and screw element, reduced the maintenance cost of production equipment; (5) simplified operating process, the automation that is beneficial to production line is controlled; (6) loading of filler is large, covering property good.Compare with the conventional cartridge body structure of equidirectional parallel double-screw extruder, in same consumption energy situation, output has improved 20～30%; (7) stable equipment operation is good, has adopted the complete machine running noise of the equidirectional parallel double-screw extruder of gate valve tube structure to can be controlled in below 80 decibels.
Accompanying drawing explanation
Fig. 1 is the front view of gate valve tube structure of the present invention;
Fig. 2 is the top view of gate valve tube structure of the present invention;
Fig. 3 be in Fig. 2 A-A to view;
Fig. 4 is for connecting the front view of cylindrical shell;
Fig. 5 is for connecting the left view of cylindrical shell;
Fig. 6 is for connecting the top view of cylindrical shell;
Fig. 7 is the assembly structure figure of gate valve and Baltimore groove flange;
Fig. 8 be in Fig. 7 A-A to view;
Fig. 9 be in Fig. 7 B to view;
Figure 10 is A place zoomed-in view in Fig. 9.
In figure: 1-adjustable plate, 2-nut, 3-stud, 4-bolt sleeve II, 5-hex bolts I, 6-gripper shoe, 7-bolt sleeve I, 8-gate valve mount pad, 9-flange, 10-slide plate, 11-sunk screw, 12-alignment pin, 13-hexagon socket head cap screw I, valve body under 14-, 15-upper valve body, 16-fixed head, 17-adapter sleeve I, 18-hexagon socket head cap screw II, 19-pad, 20-hex bolts II, 21-adapter sleeve III, 22-cylindrical roller thrust bearing, 23-backing plate, 24-hex bolts III, 25-adapter sleeve II, 26-hexagon socket head cap screw III, 27-lifting shaft, 28-scale cutter, 29-rule, 30-side feed cylinder, 31-connects cylindrical shell, 32-gate valve, 33-side spout, 34-nature exhaust outlet, 35-whole hard alloy cover, 36-Baltimore groove, 37-attachment screw, 38-cylindrical shell cooling water channel, 39-survey hole of thermocouple, 40-fusion pressure melts warm integrated transducer installing hole, the 41-annular shaft shoulder, 42-valve body cooling water channel, 43-regulating handle.
The specific embodiment:
Below in conjunction with accompanying drawing, the present invention is done further and explained.
As shown in Figures 1 to 6, the gate valve tube structure of equidirectional parallel double-screw extruder of the present invention comprises side feed cylinder 30, connects cylindrical shell 31 and gate valve 32.
Side feed cylinder 30 sides have side spout 33, and inorganic filler or organic filler can be added to from side spout 33 inside of side feed cylinder 30; Side feed cylinder 30 tops have nature exhaust outlet 34, and the steam that inorganic filler or organic filler contain can be discharged from natural exhaust outlet 34, can prevent from having influence on because of the obstruction of steam the addition of inorganic filler or organic filler.
Connect cylindrical shell 31 inwalls and inlay whole hard alloy cover 35, to strengthen the wearability that connects cylindrical shell 31 inside, improve the service life that connects cylindrical shell 31.Connect cylindrical shell 31 and connect side feed cylinder 30 by flange 9, flange 9 end faces offer Baltimore groove 36, connecting screw hole and dowel hole, by attachment screw 37 by side feed cylinder 30 be connected cylindrical shell 31 and connect in aggregates, side feed cylinder 30 be connected cylindrical shell 31 and connect after, the Baltimore groove 36 of flange 9 forms closed chute.
Side feed cylinder 30 respectively has cylindrical shell cooling water channel 38 with the barrel that is connected cylindrical shell 31, and cylindrical shell cooling water channel 38 is provided with the water-in and water-out jiont treatment screw of cooling circulating water, connects that can to carry out cylindrical shell after recirculated cooling water cooling.Side feed cylinder 30 be connected cylindrical shell 31 and offer respectively survey hole of thermocouple 39, be used for installing thermocouple, side feed cylinder 30 can arrange respectively electric heater with the outside that is connected cylindrical shell 31, by thermocouple, detect respectively and control side feed cylinder 30 and the temperature that is connected cylindrical shell 31, and can carry out respectively cylindrical shell by electric heater and heat.
Flange 9 welded top gate valve mount pads 8, flange 9 bottoms offer installs the molten warm integrated transducer installing hole 40 of fusion pressure, be used for installing the molten warm integrated transducer of fusion pressure, according to monitoring gate valve 32 and the inside melt pressure and the melt temperature that are connected cylindrical shell 31 places, carry out the aperture of regulation gate valve 32.
As shown in Figs. 7-9, gate valve 32 comprises adjustable plate 1, gripper shoe 6, slide plate 10, upper valve body 15, lower valve body 14, fixed head 16 and lifting shaft 27.
Gripper shoe 6 is fixed on gate valve mount pad 8 by hex bolts I5 and bolt sleeve I7, for supporting whole gate valve 32.Gripper shoe 6 is provided with adapter sleeve III21, cylindrical roller thrust bearing 22 and backing plate 23, adapter sleeve III21 fixes by hex bolts II20, backing plate 23 is fixed by hex bolts III24, and adapter sleeve III21 inwall is provided with the pad 19 of annular groove and the making of tin bronze material.Adjustable plate 1 is arranged on gripper shoe 6 tops, and adjustable plate 1 is by hexagon socket head cap screw III26 fixed operating sleeve II25.
Slide plate 10, fixed head 16, upper valve body 15 and lower valve body 14 are arranged in the Baltimore groove 36 of flange 9, upper valve body 15 and lower valve body 14 can be in the interior upper and lower slips of Baltimore groove 36, slide plate 10 is made by tin bronze material, slide plate 10 is by sunk screw 11 adpting flanges 9, fixed head 16 upper ends are connected adjustable plate 1 by bolt sleeve II4, stud 3 with nut 2, valve body 14 under fixed head 16 bottoms are connected with hexagon socket head cap screw I13 by alignment pin 12, upper valve body 15 is provided with adapter sleeve I17, and adapter sleeve I17 fixes by hexagon socket head cap screw II18.The inside of upper valve body 15 and lower valve body 14 has valve body cooling water channel 42, valve body cooling water channel 42 is connected after cooling water, can prevent high molecular polymer melt under pressure, from the Baltimore groove 36 of upper valve body 15 and lower valve body 14 and flange 9, be slidably connected and leak out.
The right-handed thread of lifting shaft 27 bottoms and the right-handed thread of adapter sleeve I17 are suitable, lifting shaft 27 middle parts are provided with the annular shaft shoulder 41 suitable with the annular groove of adapter sleeve III21 inwall, the top left hand thread of lifting shaft 27 and the left handed screw hole of adapter sleeve II25 are suitable, the top of lifting shaft 27 is the quadrangle of assembling regulating handle 43, manual rotation regulating handle 43, can drive the rotation of the left-handed or dextrorotation of lifting shaft 27.When lifting shaft 27 rotates, the pad 19 that tin bronze material is made plays rotational slide effect, cylindrical roller thrust bearing 22 is for bearing the bidirectional axial force of lifting shaft 27, because the annular shaft shoulder 41 of lifting shaft 27 is stuck in the annular groove of adapter sleeve III21 inwall, lifting shaft 27 can only be rotated, can not move up and down.The bottom right-handed thread of lifting shaft 27 and the dextrorotation screw hole of adapter sleeve I17 are suitable, the traveling priority that drives upper valve body 15 to do up or down by adapter sleeve I17, hexagon socket head cap screw II18; Regulating handle 43 dextrorotation, upper valve body 15 is made upwards traveling priority; Regulating handle 43 is left-handed, and upper valve body 15 is made downward traveling priority.The top left hand thread of lifting shaft 27 and the left handed screw hole of adapter sleeve II25 are suitable, the traveling priority that drives lower valve body 14 to do downward or upward by adapter sleeve II25, hexagon socket head cap screw III26, adjustable plate 1, nut 2, stud 3, fixed head 16 and alignment pin 12 and hexagon socket head cap screw I13; Regulating handle 43 dextrorotation, lower valve body 14 is made downward traveling priority; Regulating handle 43 is left-handed, and lower valve body 14 is made upwards traveling priority.When regulating handle 43 dextrorotation, upper valve body 15 is made upwards traveling priority and lower valve body 14 and is made downward traveling priority, and gate valve 32 is opened greatly; When regulating handle is left-handed, upper valve body 15 makes downward traveling priority and lower valve body 14 is made upwards traveling priority, and gate valve 32 turns down.
As shown in figure 10, in order accurately to control gate valve 32 apertures, gripper shoe 6 is provided with scale cutter 28, and adjustable plate 1 is provided with rule 29, when gripper shoe 6 and adjustable plate 1, do relatively or contrary craspedodrome while moving, the mark on scale cutter 28 sensing rules 29 can show the aperture of gate valve 32.
During extruder work, the aperture of regulation gate valve 32, adjustable gate valve 32 and the flow resistance that is connected the high molecular polymer melt at cylindrical shell 31 places; Gate valve 32 turns down, and flow resistance increases, gate valve 32 and the high molecular polymer melt pressure and the increase in temperature that are connected cylindrical shell 31 places, and the fusibility of high molecular polymer improves; Gate valve 32 is opened greatly, and flow resistance reduces, and gate valve 32 reduces with the high molecular polymer melt pressure and the temperature that are connected cylindrical shell 31 places, and the fusibility of high molecular polymer reduces.According to the loading of inorganic filler or organic filler and characteristic, by the aperture of regulation gate valve 32, can control the fusibility of high molecular polymer, not need to adopt traditional screw element (as kneading block, reverse thread cover etc.) to remove to control the fusibility of high molecular polymer; Due to the fusibility of high molecular polymer can be controlled by the aperture of regulation gate valve 32 easily, be beneficial to high manufacturing technique requirent of filling; Meanwhile, adopt gate valve tube structure and mixing rotor screw element to match, the gap cavity volume of machine barrel and screw element increases, and can improve inorganic filler or organic filler in the addition at side spout 33 places of side feed cylinder 30.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. a gate valve tube structure for equidirectional parallel double-screw extruder, is characterized in that: comprise side feed cylinder (30), connect cylindrical shell (31) and gate valve (32);
Side feed cylinder (30) side opening is provided with side spout (33), connect cylindrical shell (31) and connect side feed cylinder (30) by flange (9), flange (9) end face offers Baltimore groove (36), and flange (9) is provided with gate valve mount pad (8) and the molten warm integrated transducer installing hole (40) of fusion pressure;
Described gate valve (32) comprises adjustable plate (1), gripper shoe (6), slide plate (10), upper valve body (15), lower valve body (14), fixed head (16) and lifting shaft (27), gripper shoe (6) is connected with gate valve mount pad (8), gripper shoe (6) is provided with adapter sleeve III (21), adapter sleeve III (21) inwall is provided with annular groove, adjustable plate (1) is arranged on gripper shoe (6) top, adjustable plate (1) is provided with adapter sleeve II (25), slide plate (10), fixed head (16), upper valve body (15) and lower valve body (14) are arranged in the Baltimore groove (36) of flange (9), slide plate (10) is connected with flange (9), fixed head (16) is connected with lower valve body (14) with adjustable plate (1) respectively, upper valve body (15) is provided with adapter sleeve I (17), lifting shaft (27) bottom and adapter sleeve I (17) threaded engagement, lifting shaft (27) middle part is provided with the annular shaft shoulder (41) suitable with the annular groove of adapter sleeve III (21) inwall, lifting shaft (27) top and adapter sleeve II (25) threaded engagement, lifting shaft (27) top screw thread is contrary with lifting shaft (27) lower thread rotation direction.
2. the gate valve tube structure of a kind of equidirectional parallel double-screw extruder according to claim 1, is characterized in that: nature exhaust outlet (34) is offered on described side feed cylinder (30) top.
3. the gate valve tube structure of a kind of equidirectional parallel double-screw extruder according to claim 1, is characterized in that: described connection cylindrical shell (31) inwall is inlayed whole hard alloy cover (35).
4. the gate valve tube structure of a kind of equidirectional parallel double-screw extruder according to claim 1, is characterized in that: described side feed cylinder (30) be connected cylindrical shell (31) and be equipped with cylindrical shell cooling water channel (38).
5. the gate valve tube structure of a kind of equidirectional parallel double-screw extruder according to claim 1, it is characterized in that: described side feed cylinder (30) be connected cylindrical shell (31) and offer respectively survey hole of thermocouple (39), side feed cylinder (30) arranges respectively electric heater with the outside that is connected cylindrical shell (31).
6. the gate valve tube structure of a kind of equidirectional parallel double-screw extruder according to claim 1, is characterized in that: described upper valve body (15) and lower valve body (14) are equipped with valve body cooling water channel (42).
7. the gate valve tube structure of a kind of equidirectional parallel double-screw extruder according to claim 1, is characterized in that: described gripper shoe (6) is provided with scale cutter (28), and adjustable plate (1) is provided with rule (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410413559.7A CN104191589A (en) | 2014-08-20 | 2014-08-20 | Gate valve cylinder structure of extruder with two parallel screw rods in same directions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410413559.7A CN104191589A (en) | 2014-08-20 | 2014-08-20 | Gate valve cylinder structure of extruder with two parallel screw rods in same directions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104191589A true CN104191589A (en) | 2014-12-10 |
Family
ID=52077035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410413559.7A Pending CN104191589A (en) | 2014-08-20 | 2014-08-20 | Gate valve cylinder structure of extruder with two parallel screw rods in same directions |
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| CN106626316A (en) * | 2017-02-23 | 2017-05-10 | 南京杰恩特机电有限公司 | Efficient multifunctional double-screw extruder unit |
| CN106956415A (en) * | 2016-01-08 | 2017-07-18 | 华东理工大学 | Combined double-rotor continuous mixing extruder |
| CN107815018A (en) * | 2017-11-06 | 2018-03-20 | 安特普工程塑料（苏州）有限公司 | A kind of luminous plasticses, the double screw extruder and preparation method for preparing luminous plasticses |
| CN107839267A (en) * | 2016-09-19 | 2018-03-27 | 北京恒驰智能科技有限公司 | A kind of compound material kneader and its application method |
| CN108422353A (en) * | 2018-05-16 | 2018-08-21 | 上汽通用五菱汽车股份有限公司 | A kind of positioning tool for assembling the main lock of bonnet louver in general assembly |
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| CN107815018A (en) * | 2017-11-06 | 2018-03-20 | 安特普工程塑料（苏州）有限公司 | A kind of luminous plasticses, the double screw extruder and preparation method for preparing luminous plasticses |
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| CN108422353A (en) * | 2018-05-16 | 2018-08-21 | 上汽通用五菱汽车股份有限公司 | A kind of positioning tool for assembling the main lock of bonnet louver in general assembly |
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Application publication date: 20141210 |