CN103128839A - Hydraulic extruding machine for ceramic roller billet tube - Google Patents
Hydraulic extruding machine for ceramic roller billet tube Download PDFInfo
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- CN103128839A CN103128839A CN2011103731077A CN201110373107A CN103128839A CN 103128839 A CN103128839 A CN 103128839A CN 2011103731077 A CN2011103731077 A CN 2011103731077A CN 201110373107 A CN201110373107 A CN 201110373107A CN 103128839 A CN103128839 A CN 103128839A
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Abstract
The invention discloses a hydraulic extruding machine for a ceramic roller billet tube. The hydraulic extruding machine is used for extrusion molding of the ceramic roller billet tube. The hydraulic extruding machine comprises an oil cylinder, a vacuum box, a charging barrel first supporting seat, and a charging barrel second supporting seat, wherein the oil cylinder is provided with an oil cylinder pressure head; the oil cylinder, the vacuum box, the charging barrel first supporting seat and the charging barrel second supporting seat are installed on a machine frame; a charging barrel is fixed between the charging barrel first supporting seat and the charging barrel second supporting seat; the oil cylinder pressure head is placed in the charging barrel; a cone-shaped pipe and a middle core needle bed are installed on the charging barrel second supporting seat; a pipe outlet nozzle is arranged on the cone-shaped pipe; a middle core needle is arranged on the middle core needle bed; and a pipe core is inserted on the middle core needle in a sleeved mode. According to the hydraulic extruding machine, the equipment structure is simple, replacement of the charging barrel and spare parts is easy, the pipe squeezing speed is flexible and adjustable, extruding force is large, a ceramic roller with a large specification can be produced, the extruded billet tube is high in density, not prone to deformation, and large in strength, and the hydraulic extruding machine is capable of meeting technical requirements of the ceramic roller produced in a cold static pressure method.
Description
Technical field
The present invention relates to the plant equipment field, particularly a kind of ceramic rod base pipe hydraulic pressure extruder.
Background technology
Ceramic rod is one of critical component in ceramic roller kiln, plays the effect of carrying and transmission.At present, vacuum screw extrusion molding method is mainly adopted in the production of ceramic rod, and the special equipment of employing is the vacuum screw extruder, and its basic principle is: adopt the double-screw shaft or the upper double-screw shaft that are arranged above and below, lower single-screw shaft; The function of upper helical axis is the vacuum stirring pugging, and the function of lower helical axis is vacuum extruding form.The vacuum screw extruder can continuous extrusion, but it is lower to extrude power, and the base pipe of extruding is fine and close not, and when extruding large specification roller rod, the base pipe easily is out of shape; In addition, its helical axis and barrel easily wear and tear, and maintenance cost is high.
In view of this, provide a kind of ceramic rod base pipe hydraulic pressure extruder low with the ceramic rod density of improving the moulding of present domestic vacuum screw extruder and being produced, the shortcoming such as intensity and yield rate are low is problem demanding prompt solution in the industry.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, a kind of ceramic rod base pipe hydraulic pressure extruder is provided, described ceramic rod base pipe hydraulic pressure extruder device structure is simple, barrel and parts replacement are easy, squeezing pipe speed can adjust flexibly, extrudes great efforts, can produce the ceramic rod of large specification, the base pipe density of extruding is high, be not easy distortion, intensity is large, can satisfy the technological requirement that calm platen press is produced ceramic rod.
For reaching above-mentioned technique effect, the embodiment of the present invention provides a kind of ceramic rod base pipe hydraulic pressure extruder, be used for the extrusion molding to the ceramic rod stock, described hydraulic pressure extruder comprises oil cylinder, vacuum tank, barrel the first supporting seat, barrel the second supporting seat, described oil cylinder is provided with the oil cylinder pressure head, and described oil cylinder, vacuum tank, barrel the first supporting seat, barrel the second supporting seat are arranged on frame;
Be mounted with barrel between described barrel the first supporting seat, barrel the second supporting seat, described oil cylinder pressure head is placed among described barrel;
On described barrel the second supporting seat, conical pipe and SMIS needle stand are installed, described conical pipe is provided with out pipe machine mouth, and described SMIS needle stand is provided with central core needle, and described central core needle cover is inserted with tube core.
As the improvement of such scheme, described SMIS needle stand is orifice plate, comprising:
The central area wherein forms at least one first through hole in described central area;
Annular region, described annular region form at least one second through hole around described central area and in described annular region; With
The neighboring area, described neighboring area forms at least one third through-hole around described annular region and in described neighboring area.
As the improvement of such scheme, described orifice plate is circular; Described central area is circular; Described annular region forms the annular around described circular central region; And described neighboring area forms the annular around described annular region;
Be formed with first through hole in described central area, and the center of circle of the center of the first through hole or the center of circle and orifice plate is overlapping; Be formed with a plurality of the second through holes in described annular region, and the center of described a plurality of the second through holes or the center of circle equally spaced be distributed in the concentric a plurality of circles of annular region on; Be formed with a plurality of third through-holes in described neighboring area, and the center of described a plurality of third through-holes or the center of circle equally spaced be distributed in central area and the concentric circle of annular region on;
Any is circular hole, slotted hole, square hole, regular hexagon hole, dodecagon hole or slotted eye for described the first through hole, the second through hole, third through-hole;
Described slotted hole is for extending along the radial direction of described central area, annular region or neighboring area the hole that gets with circular hole.
As the improvement of such scheme, described central core needle is comprised of the first cylinder, the first taper platform, the second cylinder, the second taper platform successively; Described the first cylinder is provided with the three cylindrical body that is connected with described tube core, described the second taper platform be provided be connected with described SMIS needle stand the 4th cylinder;
The described first cylindrical diameter is less than the described second cylindrical diameter; The described first cylindrical length is greater than the described second cylindrical length; The length of described the first taper platform is greater than the length of described the second taper platform.
As the improvement of such scheme, the cross section that described hydraulic pressure extruder goes out to manage the machine mouth is hollow polygon, and described hollow polygon comprises annular, hollow triangle, hollow rectangle, open diamonds, open squares, hollow hexagonal.
As the improvement of such scheme, described oil cylinder be connected barrel the second supporting seat and connect by pull bar;
Described barrel is provided with breach, is used for throwing in the required pug of manufacturing ceramic rod base pipe;
The cross section of described barrel is annular;
The cross section of described oil cylinder pressure head is circular;
The diameter of described oil cylinder pressure head is less than or equal to the internal diameter of described barrel.
As the improvement of such scheme, the pressure of the oil cylinder of described hydraulic pressure extruder is made as 500 ~ 4500KN;
Extrusion molding speed 〉=the 10m/min of described hydraulic pressure extruder;
The vacuum that described hydraulic pressure extruder is arranged on barrel by vacuum tank for≤-0.03MPa.
As the improvement of such scheme, the axial and horizontal direction angle of described hydraulic pressure extruder fuselage is 0 ~ 90 °;
More than the horizontal level 10mm of the horizontal level that goes out to manage the machine mouth of described hydraulic pressure extruder lower than described hydraulic pressure extruder fuselage.
As the improvement of such scheme, described hydraulic pressure extruder also comprises Hydraulic Station, and described Hydraulic Station is used for driving described oil cylinder reciprocating motion.
As the improvement of such scheme, described vacuum tank is provided with piston rod, and described piston rod adopts the seal sealing;
Described oil cylinder is provided with piston rod, and described piston rod adopts the seal sealing.
Implement the present invention and have following beneficial effect:
In the professional skill field of the moulding that relates to ceramic rod, compared with prior art, technological merit of the present invention is that the vacuum screw extruder is improved to ceramic rod base pipe hydraulic pressure extruder.What ceramic rod base pipe hydraulic pressure extruder adopted is the forming method that direct-push is extruded, and adopts vacuum box structure that barrel is vacuumized at charging aperture, adopt oil cylinder reciprocating drive the oil cylinder pressure head ceramic material by going out the pipe mold extrusion molding.The pressure of oil cylinder is made as 500 ~ 4500KN, and due to the thrust of large-tonnage hydraulic jack, ceramic rod base pipe hydraulic pressure extruder has that shaping speed is fast, efficient is high and can adjust flexibly advantages such as squeezing pipe speed, shaping speed 〉=10m/min.Improved vacuum screw extruder shaping speed≤5m/min, the shortcoming such as shaping efficiency is low.
The oil cylinder pressure head of hydraulic pressure extruder is made as 500 ~ 4500KN by the pressure that oil cylinder acts on the mud bar.Briquetting pressure can make greatly the ceramic rod base pipe of extruding have high-compactness, the bulk density 〉=2.50g/cm of base pipe
3Improved the not enough 2.30g/cm of ceramic rod base pipe volume density that the vacuum screw extruder is produced
3Shortcoming.And the standby ceramic rod intensity out of ceramic rod base control is high thus, and load capacity is large, long service life.This hydraulic pressure extruder can also be produced the ceramic rod of large specification, is not easy distortion, satisfies the technological requirement that calm platen press is produced ceramic rod.
In a word; ceramic rod base pipe hydraulic pressure extruder device structure is simple, barrel and parts replacement easy; the demand that high efficiency, maintenance cost be low, easily satisfy large-scale production has solved in the past the problems such as the complex structure of spiral extrusion equipment, propeller blade easily wear and tear, maintenance cost height.
Description of drawings
Fig. 1 is the profile of a kind of ceramic rod base of the present invention pipe hydraulic pressure extruder;
Fig. 2 is the enlarged diagram of the SMIS needle stand 9 of a kind of ceramic rod base of the present invention pipe hydraulic pressure extruder;
Fig. 3 is another enlarged diagram of the SMIS needle stand 9 of a kind of ceramic rod base of the present invention pipe hydraulic pressure extruder;
Fig. 4 is the enlarged diagram of the central core needle 11 of a kind of ceramic rod base of the present invention pipe hydraulic pressure extruder.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
In conjunction with Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the embodiment of the present invention provides a kind of ceramic rod base pipe hydraulic pressure extruder, be used for the extrusion molding to the ceramic rod stock, by frame 1, oil cylinder 2, oil cylinder pressure head 3, vacuum tank 4, barrel 5, barrel the first supporting seat 6, pull bar 7, barrel the second supporting seat 8, SMIS needle stand 9, conical pipe 10, central core needle 11, go out to manage machine mouth 12, tube core 13 forms.
Particularly, described hydraulic pressure extruder comprises oil cylinder 2, vacuum tank 4, barrel the first supporting seat 6, barrel the second supporting seat 8, described oil cylinder 2 is provided with oil cylinder pressure head 3, described oil cylinder 2, vacuum tank 4, barrel the first supporting seat 6, barrel the second supporting seat 8 are arranged on frame 1, and the angle of inclination of described frame 1 is 0 ~ 90 °;
Be mounted with barrel 5 between described barrel the first supporting seat 6, barrel the second supporting seat 8, described oil cylinder pressure head 3 is placed among described barrel 5;
On described barrel the second supporting seat 8, conical pipe 10 and SMIS needle stand 9 are installed, described conical pipe 10 is provided with out pipe machine mouth 12, and described SMIS needle stand 9 is provided with central core needle 11, and described central core needle 11 covers are inserted with tube core 13.
Described vacuum tank 4 is provided with upper cover, when the hydraulic pressure extruder is worked, needs first the upper cover of vacuum tank 4 to be opened, and puts ceramic material at barrel 5, and then the upper cover of vacuum tank 4 is closed, and then vacuum tank 4 is vacuumized.
SMIS needle stand 9 is used for fixedly central core needle 11, and SMIS needle stand 9 is fixedly linked with central core needle 11, and SMIS needle stand 9 is fixedly linked with conical pipe 10, and SMIS needle stand 9 is fixedly linked with barrel the second supporting seat 8, conical pipe 10 and go out to manage machine mouth 12 and be fixedly linked.
Described central core needle 11 covers are inserted with tube core 13, described tube core 13 extrude as ceramic rod base pipe hydraulic pressure extruder and the inner support of ceramic rod base pipe.Ceramic rod base pipe is extruded along tube core 13, is sheathed on tube core 13.
The cross section that described hydraulic pressure extruder goes out to manage machine mouth 12 is hollow polygon, and described hollow polygon comprises annular, hollow triangle, hollow rectangle, open diamonds, open squares, hollow hexagonal.
Preferably, described hydraulic pressure extruder goes out to manage the cross section of machine mouth 12 for annular.
Described oil cylinder 2 be connected barrel the second supporting seat 8 and connect by pull bar 7.
Described barrel 5 is provided with breach, is used for throwing in the required pug of manufacturing ceramic rod base pipe;
Described breach generally is located at the left end of described barrel 5.
The cross section of described barrel 5 is annular;
The cross section of described oil cylinder pressure head 3 is circular;
The diameter of described oil cylinder pressure head 3 is less than or equal to the internal diameter of described barrel 5.
The pressure of the oil cylinder 2 of described hydraulic pressure extruder is made as 500 ~ 4500KN.
Preferably, the pressure of the oil cylinder 2 of described hydraulic pressure extruder is made as 500 ~ 3000KN.
Extrusion molding speed 〉=the 10m/min of described hydraulic pressure extruder.
Preferably, the extrusion molding speed 〉=15m/min of described hydraulic pressure extruder.
The vacuum that described hydraulic pressure extruder is arranged on barrel 5 by vacuum tank 4 for≤-0.03MPa.
Preferably, the described hydraulic pressure extruder vacuum that is arranged on barrel 5 by vacuum tank 4 for≤-0.08MPa.
Axial and the horizontal direction angle of described hydraulic pressure extruder fuselage is 0 ~ 90 °;
Preferably, the axial and horizontal direction angle of described hydraulic pressure extruder fuselage is 30 ~ 60 °;
Further preferably, the axial and horizontal direction angle of described hydraulic pressure extruder fuselage is 30 °.
Need to prove, the axial and horizontal direction angle of described hydraulic pressure extruder fuselage is the angle of inclination of frame 1.
More than the horizontal level 10mm of the horizontal level that goes out to manage machine mouth 12 of described hydraulic pressure extruder lower than described hydraulic pressure extruder fuselage.
Described hydraulic pressure extruder also comprises Hydraulic Station, and described Hydraulic Station is used for driving described oil cylinder 2 and moves back and forth.
Described vacuum tank 4 is provided with piston rod, and described piston rod adopts the seal sealing;
Described oil cylinder 2 is provided with piston rod, and described piston rod adopts the seal sealing.
The operation principle of ceramic rod base pipe hydraulic pressure extruder is:
At first the upper cover of vacuum tank 4 is opened, indentation, there at barrel 5 left ends is put ceramic material into, again the upper cover of vacuum tank 4 is closed, then vacuum tank 4 is vacuumized, drive oil cylinder pressure head 3 by Hydraulic Station, oil cylinder 2, ceramic material is extruded by SMIS needle stand 9, conical pipe 10, central core needle 11, gone out to manage machine mouth 12 out at barrel 5, be enclosed within on tube core 13; Inverted running returns to oil cylinder pressure head 3, so circulation.
In conjunction with Fig. 2 and Fig. 3, in ceramic rod base pipe hydraulic pressure extruder of the present invention, described SMIS needle stand 9 is orifice plate, comprising:
Neighboring area 93, described neighboring area 93 forms at least one third through-hole 931 around described annular region 92 and in described neighboring area 93.
Described orifice plate is circular, and preferably, described SMIS needle stand 9 is circular orifice;
Described central area 91 is circular;
Described annular region 92 forms the annular around described circular central region 91;
And described neighboring area 93 forms the annular around described annular region 92.
Be formed with first through hole 911 in described central area 91, and the center of circle of the center of the first through hole 911 or the center of circle and orifice plate is overlapping; Be formed with a plurality of the second through holes 921 in described annular region 92, and the center of described a plurality of the second through holes 921 or the center of circle equally spaced be distributed in the concentric a plurality of circles of annular region 92 on; Be formed with a plurality of third through-holes 931 in described neighboring area 93, and the center of described a plurality of third through-hole 931 or the center of circle equally spaced be distributed in central area 91 and the concentric circle of annular region 92 on;
Any is circular hole, slotted hole, square hole, regular hexagon hole, dodecagon hole or slotted eye for described the first through hole 911, the second through hole 921, third through-hole 931.
Described slotted hole is for extending along the radial direction of described central area, annular region or neighboring area the hole that gets with circular hole.
Preferably, described the first through hole 911, the second through hole 921, third through-hole 931 any be circular hole, slotted hole.
More preferably, described the first through hole 911, the second through hole 921, third through-hole 931 any be circular hole.
Further, as shown in Figure 2, when described the first through hole 911, the second through hole 921, when third through-hole 931 is circular hole:
Be formed with the first through hole 911 of a circle in described central area 91, and the center of circle of the center of circle of the first through hole 911 and orifice plate is overlapping;
Be formed with the second through hole 921 of a plurality of circles in described annular region 92, and the center of circle of the second through hole 921 of described a plurality of circles equally spaced be distributed in the concentric a plurality of circles of annular region 92 on;
Be formed with the third through-hole 931 of a plurality of circles in described neighboring area 93, and the center of circle of the third through-hole 931 of described a plurality of circles equally spaced be distributed in central area 91 and the concentric circle of annular region 92 on.
SMIS needle stand 9 is used for fixedly central core needle 11, and SMIS needle stand 9 is fixedly linked with central core needle 11, and SMIS needle stand 9 is fixedly linked with conical pipe 10, and SMIS needle stand 9 is fixedly linked with barrel the second supporting seat 8, conical pipe 10 and go out to manage machine mouth 12 and be fixedly linked.
Preferably, SMIS needle stand 9 is bolted with central core needle 11 and is connected; SMIS needle stand 9 is bolted with conical pipe 10 and is connected; SMIS needle stand 9 is bolted with barrel the second supporting seat 8 and is connected; Conical pipe 10 with go out to manage machine mouth 12 and be bolted and be connected.
Particularly, the first through hole 911 of central area 91 is used for being bolted with central core needle 11 being connected; The third through-hole 931 of neighboring area 93 is used for being bolted with conical pipe 10 with barrel the second supporting seat 8 being connected; The second through hole 921 of annular region 92 is used for the extrusion molding of ceramic rod stock.
Preferably, a plurality of second through holes 921 of annular region 92 are that 2 ~ 5 loops distribute, and more preferably, a plurality of second through holes 921 of annular region 92 are that 3 loops distribute.A plurality of second through holes 921 of annular region 92 shown in Figure 2 are 3 loops and distribute.Wherein, a circle of close central area 91 is provided with 12 the second through holes 921, and a middle circle is provided with 18 the second through holes 921, and a circle of close neighboring area 93 is provided with 24 the second through holes 921.
When the ceramic rod stock is pressed through a plurality of second through hole 921 of annular region 92, the air in stock is fully discharged formation fine strip shape, the mud bar that density is high.When the mud bar arrives out pipe machine mouth 12 by conical pipe 10, be squeezed again, obtain ceramic rod base pipe.
Further, SMIS needle stand 9 shown in Figure 3 from shown in Figure 2 different is, described the first through hole 911 be circular hole, the second through hole 921 for slotted hole, third through-hole 931 during for circular hole:
Be formed with the first through hole 911 of a circle in described central area 91, and the center of circle of the center of circle of the first through hole 911 and orifice plate is overlapping;
Be formed with a plurality of the second through holes 921 in described annular region 92, and described a plurality of the second through hole 921 forms respectively along the radial direction of annular region 92 and extends, is evenly distributed on the slotted hole in annular region 92;
Be formed with the third through-hole 931 of a plurality of circles in described neighboring area 93, and the center of circle of the third through-hole 931 of described a plurality of circles equally spaced be distributed in central area 91 and the concentric circle of annular region 92 on.
A plurality of second through holes 921 of annular region 92 shown in Figure 3 are 2 loops and distribute.Wherein, a circle of close central area 91 is provided with 12 the second through holes 921, and a circle of close neighboring area 93 is provided with 24 the second through holes 921.
As shown in Figure 4, described central core needle 11 is solid construction, is comprised of the first cylinder 111, the first taper platform 112, the second cylinder 113, the second taper platform 114 successively.The first cylinder 111 be provided with three cylindrical body 115, the second taper platforms 114 that are connected with tube core 13 be provided be connected with SMIS needle stand 9 the 4th cylinder 116.
Need to prove, the 4th cylinder 116 of described central core needle 11 is complementary with the size of the first through hole 911 of the central area 91 of described SMIS needle stand 9.
The diameter of the first cylinder 111 of central core needle 11 is less than the diameter of the second cylinder 113; The length of the first cylinder 111 is greater than the length of the second cylinder 113; The length of the first taper platform 112 is greater than the length of the second taper platform 114.
In conjunction with Fig. 1 and Fig. 4, central core needle 11 is placed in SMIS needle stand 9, conical pipe 10, go out to manage among the mechanism of machine mouth 12 after being fixedly linked, and the axial length of center pin 11 is slightly larger than described SMIS needle stand 9, conical pipe 10, go out to manage the axial length of the mechanism of machine mouth 12 after being fixedly linked.
The first cylinder 111 of central core needle 11 is placed in out among pipe machine mouth 12; The first cylinder 111 of central core needle 11, the first taper platform 112, the second cylinder 113, the second taper platform 114 are placed among conical pipe 10.
When the stock of preparation ceramic rod when being pressed through SMIS needle stand 9, stock is extruded and forms fine strip shape, mud bar that density is high.When the mud bar enters conical pipe 10, during the second taper platform 114 surface by described central core needle 11, the mud bar is pushed by the inner surface of described the second taper platform 114 outer surfaces and conical pipe 10, because described the second taper platform 114 surfaces are that spin crossover becomes large bullet gradually, the space that can hold the mud bar diminishes rapidly, and the mud bar begins compressed.Then the mud bar is by the second cylinder 113 surfaces of described central core needle 11, and because the surface of described central core needle 11 does not change, and the inner surface of conical pipe 10 continues to diminish, and the space that can hold the mud bar diminishes gently, and the mud bar is intervally stablized compacting at this.The mud bar arrives the first taper platform 112 surfaces of described central core needle 11 subsequently, diminish continuing due to the surface of the first taper platform 112 of described central core needle, and the inner surface of conical pipe 10 also diminishes continuing, this interval mud bar compression speed is slower, can make the mud bar stablize moulding, form the sheet pug.Last pug is by the moment on the first cylinder 111 surfaces of described central core needle 11, and the mud bar further is squeezed, and forms ceramic rod base pipe.And with to go out to manage machine mouth 12 parallel, ceramic rod base pipe surfaces externally and internally is Paint Gloss, the flaw of minimizing finished product due to the first cylinder 111 surface.
Described central core needle 11 covers are inserted with tube core 13, described tube core 13 extrude as ceramic rod base pipe hydraulic pressure extruder and the inner support of ceramic rod base pipe.Ceramic rod base pipe be pressed through described go out to manage machine mouth 12 after, extrude along tube core 13, be sheathed on tube core 13.
Preferably, tube core 13 is hollow pipe.
Preferably, tube core 13 is metal material.
Following table is the technical indicator contrast of the vacuum screw extruder of ceramic rod base pipe hydraulic pressure extruder of the present invention and prior art employing:
| Project | Ceramic rod base pipe hydraulic pressure extruder | The vacuum screw extruder |
| Extrusion pressure (KN) | 500~4500 | 300~500 |
| Extruded velocity (m/min) | ≥10 | ≤5 |
| Bulk density (g/cm 3) | ≥2.50 | ≤2.30 |
As from the foregoing, implement the present invention, have following beneficial effect:
In the professional skill field of the moulding that relates to ceramic rod, compared with prior art, technological merit of the present invention is that the vacuum screw extruder is improved to ceramic rod base pipe hydraulic pressure extruder.What ceramic rod base pipe hydraulic pressure extruder adopted is the forming method that direct-push is extruded, and adopts vacuum box structure that barrel is vacuumized at charging aperture, adopt oil cylinder reciprocating drive the oil cylinder pressure head ceramic material by going out the pipe mold extrusion molding.The pressure of oil cylinder is made as 500 ~ 4500KN, and due to the thrust of large-tonnage hydraulic jack, ceramic rod base pipe hydraulic pressure extruder has that shaping speed is fast, efficient is high and can adjust flexibly advantages such as squeezing pipe speed, shaping speed 〉=10m/min.Improved vacuum screw extruder shaping speed≤5m/min, the shortcoming such as shaping efficiency is low.
The oil cylinder pressure head of hydraulic pressure extruder is made as 500 ~ 4500KN by the pressure that oil cylinder acts on the mud bar.Briquetting pressure can make greatly the ceramic rod base pipe of extruding have high-compactness, the bulk density 〉=2.50g/cm of base pipe
3Improved the not enough 2.30g/cm of ceramic rod base pipe volume density that the vacuum screw extruder is produced
3Shortcoming.And the standby ceramic rod intensity out of ceramic rod base control is high thus, and load capacity is large, long service life.This hydraulic pressure extruder can also be produced the ceramic rod of large specification, is not easy distortion, satisfies the technological requirement that calm platen press is produced ceramic rod.
In a word; ceramic rod base pipe hydraulic pressure extruder device structure is simple, barrel and parts replacement easy; the demand that high efficiency, maintenance cost be low, easily satisfy large-scale production has solved in the past the problems such as the complex structure of spiral extrusion equipment, propeller blade easily wear and tear, maintenance cost height.
The above is the preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (10)
1. ceramic rod base pipe hydraulic pressure extruder, be used for the extrusion molding to the ceramic rod stock, it is characterized in that, described hydraulic pressure extruder comprises oil cylinder, vacuum tank, barrel the first supporting seat, barrel the second supporting seat, described oil cylinder is provided with the oil cylinder pressure head, and described oil cylinder, vacuum tank, barrel the first supporting seat, barrel the second supporting seat are arranged on frame;
Be mounted with barrel between described barrel the first supporting seat, barrel the second supporting seat, described oil cylinder pressure head is placed among described barrel;
On described barrel the second supporting seat, conical pipe and SMIS needle stand are installed, described conical pipe is provided with out pipe machine mouth, and described SMIS needle stand is provided with central core needle, and described central core needle cover is inserted with tube core.
2. hydraulic pressure extruder as claimed in claim 1, is characterized in that, described SMIS needle stand is orifice plate, comprising:
The central area wherein forms at least one first through hole in described central area;
Annular region, described annular region form at least one second through hole around described central area and in described annular region; With
The neighboring area, described neighboring area forms at least one third through-hole around described annular region and in described neighboring area.
3. hydraulic pressure extruder as claimed in claim 2, is characterized in that, described orifice plate is circular; Described central area is circular; Described annular region forms the annular around described circular central region; And described neighboring area forms the annular around described annular region;
Be formed with first through hole in described central area, and the center of circle of the center of the first through hole or the center of circle and orifice plate is overlapping; Be formed with a plurality of the second through holes in described annular region, and the center of described a plurality of the second through holes or the center of circle equally spaced be distributed in the concentric a plurality of circles of annular region on; Be formed with a plurality of third through-holes in described neighboring area, and the center of described a plurality of third through-holes or the center of circle equally spaced be distributed in central area and the concentric circle of annular region on;
Any is circular hole, slotted hole, square hole, regular hexagon hole, dodecagon hole or slotted eye for described the first through hole, the second through hole, third through-hole;
Described slotted hole is for extending along the radial direction of described central area, annular region or neighboring area the hole that gets with circular hole.
4. hydraulic pressure extruder as claimed in claim 1, is characterized in that, described central core needle is comprised of the first cylinder, the first taper platform, the second cylinder, the second taper platform successively; Described the first cylinder is provided with the three cylindrical body that is connected with described tube core, described the second taper platform be provided be connected with described SMIS needle stand the 4th cylinder;
The described first cylindrical diameter is less than the described second cylindrical diameter; The described first cylindrical length is greater than the described second cylindrical length; The length of described the first taper platform is greater than the length of described the second taper platform.
5. hydraulic pressure extruder as claimed in claim 1, it is characterized in that, the cross section that described hydraulic pressure extruder goes out to manage the machine mouth is hollow polygon, and described hollow polygon comprises annular, hollow triangle, hollow rectangle, open diamonds, open squares, hollow hexagonal.
6. hydraulic pressure extruder as claimed in claim 1, is characterized in that, described oil cylinder be connected barrel the second supporting seat and connect by pull bar;
Described barrel is provided with breach, is used for throwing in the required pug of manufacturing ceramic rod base pipe;
The cross section of described barrel is annular;
The cross section of described oil cylinder pressure head is circular;
The diameter of described oil cylinder pressure head is less than or equal to the internal diameter of described barrel.
7. hydraulic pressure extruder as claimed in claim 1, is characterized in that, the pressure of the oil cylinder of described hydraulic pressure extruder is made as 500 ~ 4500KN;
Extrusion molding speed 〉=the 10m/min of described hydraulic pressure extruder;
The vacuum that described hydraulic pressure extruder is arranged on barrel by vacuum tank for≤-0.03MPa.
8. hydraulic pressure extruder as claimed in claim 1, is characterized in that, the axial and horizontal direction angle of described hydraulic pressure extruder fuselage is 0 ~ 90 °;
More than the horizontal level 10mm of the horizontal level that goes out to manage the machine mouth of described hydraulic pressure extruder lower than described hydraulic pressure extruder fuselage.
9. hydraulic pressure extruder as claimed in claim 1, is characterized in that, described hydraulic pressure extruder also comprises Hydraulic Station, and described Hydraulic Station is used for driving described oil cylinder reciprocating motion.
10. hydraulic pressure extruder as claimed in claim 1, is characterized in that, described vacuum tank is provided with piston rod, and described piston rod adopts the seal sealing;
Described oil cylinder is provided with piston rod, and described piston rod adopts the seal sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110373107.7A CN103128839B (en) | 2011-11-22 | 2011-11-22 | Hydraulic extruding machine for ceramic roller billet tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110373107.7A CN103128839B (en) | 2011-11-22 | 2011-11-22 | Hydraulic extruding machine for ceramic roller billet tube |
Publications (2)
| Publication Number | Publication Date |
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| CN103128839A true CN103128839A (en) | 2013-06-05 |
| CN103128839B CN103128839B (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110373107.7A Active CN103128839B (en) | 2011-11-22 | 2011-11-22 | Hydraulic extruding machine for ceramic roller billet tube |
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| Country | Link |
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| CN (1) | CN103128839B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109176857A (en) * | 2018-08-31 | 2019-01-11 | 萍乡市金刚科技工业园有限公司 | A kind of automatic tube apparatus and the outlet pipe method out of roller blank tube |
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| Publication number | Publication date |
|---|---|
| CN103128839B (en) | 2015-07-01 |
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