CN105382927A - Ceramic fiber pipe suction filtration molding device - Google Patents
Ceramic fiber pipe suction filtration molding device Download PDFInfo
- Publication number
- CN105382927A CN105382927A CN201510757555.5A CN201510757555A CN105382927A CN 105382927 A CN105382927 A CN 105382927A CN 201510757555 A CN201510757555 A CN 201510757555A CN 105382927 A CN105382927 A CN 105382927A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- suction filtration
- ceramic fiber
- end cap
- tubular die
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
- B28B21/08—Methods or machines specially adapted for the production of tubular articles by casting into moulds by slip-casting; Moulds therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
Abstract
The invention belongs to production equipment of ceramic fiber materials, and particularly relates to a ceramic fiber pipe suction filtration molding device. The device comprises a roller rotationally arranged on a machine frame. An inner cavity of the roller is communicated with a vacuumizing device. One end of the roller is provided with an end cover capable of being opened and closed. The end cover is provided with a feed inlet. The outer end of the feed inlet is communicated with a feeding device. A tubular mold is arranged in the roller. An end plate is arranged at one end of the tubular mold. The tube wall of the tubular mold and the end plate are provided with small suction filtration holes. The inner side of the tube wall and the inner side of the end plate are provided with filter cloths respectively. The outer side of the end cover is further provided with a clamping jaw reciprocating in the axial direction of the roller. When the end cover is opened, the clamping jaw can clamp the tubular clamp and draw the tubular mold out of the roller. After a suction filtration system completes the suction filtration process, the end cover is opened, at the moment, the clamping jaw moves to the port of the roller and clamps the tubular mold, and then the clamping jaw moves backwards to draw the tubular mold out. In the whole production process, manual operation is not needed, labor is saved, and meanwhile production efficiency is improved.
Description
Technical field
The invention belongs to the production equipment of ceramic fibre material, be specifically related to a kind of ceramic fiber tube suction filtration shaped device.
Background technology
Ceramic fiber tube can replace the dust settling pocket in sack cleaner to filter dust, compared with dust settling pocket, ceramic fiber tube has good high-temperature stability, in modern industry production process, various industrial furnaces as industries such as metallurgy, building materials, chemical industry, electric power, machineries all discharge a large amount of high temperature dust pernicious gas, seriously pollutant atmosphere, the ceramic fiber tube therefore with good high-temperature stability more can adapt to above-mentioned industrial needs.The structure of ceramic fiber tube generally comprises: tubular body, and one end of tubular body is closed, and the other end is uncovered, for giving vent to anger and air inlet.The forming process of ceramic fiber tube needs first to be mixed in slurries by ceramic fibre, then slurries are poured into mould, then mould is vacuumized, slurries are sucked out, ceramic fibre just can be attached on grinding tool inwall, and then just can make fibre pipe hardened forming through operations such as oven dry, roastings.But, mould from vacuumize take out in chamber time, due to die length larger, often need multiple-person cooperative work mould could be extracted out, both wasted labour, and affected production efficiency again.
Summary of the invention
The object of this invention is to provide a kind of can automatically by suction filtration mould from vacuumizing the ceramic fiber tube suction filtration shaped device taken out chamber.
For achieving the above object, the invention provides following technical scheme: a kind of ceramic fiber tube suction filtration shaped device, comprise cylinder frame being rotated setting, and the driver element driving this cylinder to rotate, the inner chamber of described cylinder is communicated with vacuum extractor, cylinder one end is provided with can the end cap of closure or openness, described end cap is provided with charging aperture, described charging aperture outer end is communicated with feeding device, tubular die is provided with in described cylinder, when end cap is opened, tubular die can be extracted out in cylinder, when end cap closes, charging aperture on end cap is communicated with one end of tubular die, the other end of tubular die is provided with end plate, the tube wall of described tubular die and end plate are equipped with suction filtration aperture, and be equipped with filter cloth inside tube wall and end plate,
Also be provided with a claw arranged along cylinder axially reciprocating outside described end cap, when end cap is opened, claw can clamp tubular die, and is extracted out in cylinder by tubular die; Described frame is also provided with support part, and described support part pumps setting, in the process that tubular die is extracted out, support part move upward and bracketing below tubular die, described support part is synchronous with claw along cylinder axially reciprocating.
Technique effect of the present invention is: after suction filtration system completes suction filtration process, end cap is opened automatically, now claw moves to cylinder port, and clamp tubular die, then claw moves backward, and extracted out by tubular die, whole production process is without the need to manual operation, save labour, improve production efficiency simultaneously.
Accompanying drawing explanation
Fig. 1 is front view of the present invention;
Fig. 2 is the top view of claw of the present invention;
Fig. 3 is the structural representation of support part of the present invention;
Fig. 4 is the I partial enlarged view of Fig. 1;
Fig. 5 is the II partial enlarged view of Fig. 1;
Fig. 6 is the sectional view of cylinder of the present invention;
Fig. 7, Fig. 8 are the perspective view of tubular die of the present invention;
Fig. 9 is the detonation configuration schematic diagram of tubular body of the present invention;
Figure 10 is clip perspective view of the present invention.
Detailed description of the invention
As shown in Figure 1, a kind of ceramic fiber tube suction filtration shaped device, it is characterized in that: comprise the cylinder 21 frame 10 being rotated setting, and the driver element 22 driving this cylinder 21 to rotate, the inner chamber of described cylinder 21 is communicated with vacuum extractor, cylinder one end is provided with can the end cap 24 of closure or openness, described end cap 24 is provided with charging aperture, described charging aperture outer end is communicated with feeding device, tubular die 10 is provided with in described cylinder 21, when end cap 24 is opened, tubular die 10 can be extracted out in cylinder 21, when end cap 24 closes, charging aperture on end cap 24 is communicated with one end of tubular die 10, the other end of tubular die 10 is provided with end plate 11, the tube wall of described tubular die 10 and end plate 11 are equipped with suction filtration aperture 12, and be equipped with filter cloth 16 inside tube wall and end plate,
Further, be also provided with a claw 31 arranged along cylinder 21 axially reciprocating outside described end cap 24, when end cap 24 is opened, claw 31 can clamp tubular die 10, and is extracted out in cylinder 21 by tubular die 10; Described frame 20 is also provided with support part, and described support part pumps setting, in the process that tubular die 10 is extracted out, support part move upward and bracketing below tubular die 10, described support part is synchronous with claw 31 along cylinder 21 axially reciprocating.
Preferably, as shown in Figure 2, described claw 31 comprises two pawl arms 311 be parallel to each other, two pawl arms 311 are slidably arranged on a slide rail 312, and the length direction of slide rail 312 is vertical with the length direction of pawl arm 311, two pawl arms 311 are articulated with respectively a connecting rod 313, and the swinging end of two connecting rods 313 and the piston rod of cylinder 32 hinged, when cylinder 32 piston rod stretches, can drive two pawl arms 311 close to each other or away from.
Further, described slide rail 312, cylinder 32 and support part are all fixed on a sliding support 30, and described sliding support 30 slides axially along cylinder 21 and is arranged in frame 20, and described frame 20 is provided with the synchronous belt mechanism 36 for driving sliding support 30 to slide.
Preferably, as shown in Figure 3, described support part comprises the push rod 34 of vertically flexible setting on sliding support 30, and described push rod 34 top is provided with arc pallet 33, sliding support 30 is also provided with the jacking cylinder 35 for driving push rod 34 to move up and down.
After suction filtration system completes suction filtration process, end cap is opened automatically, and now claw moves to cylinder port, and clamp tubular die, then claw moves backward, is extracted out by tubular die, whole production process, without the need to manual operation, saves labour, improves production efficiency simultaneously.
As illustrated in figures 6-10, as the preferred embodiments of the present invention, described tubular die 10 is fastened by two semicanals 10a, 10b and forms, and is detachable setting between two semicanal 10a, 10b.
Preferably, a wherein side of described two semicanal 10a, 10b is hinged, and another side is provided with hasp 14.As shown in Figure 2, the edge of described end cap 11 and the end of one of them semicanal 10a hinged, and on end cap 11 away from this junction and be provided with hasp 15 between the end of another semicanal 10b.Adopt hasp two semicanal 10a, 10b and end cap 11 to be locked, the fast demoulding of ceramic fiber tube can be realized.
Further, the outer ring surface of described tubular die 10 is provided with roller 131, described roller 131 is multiple along tubular body 10 axis direction and circumferencial direction interval layout, described cylinder 21 inwall is provided with the chute 26 coordinated with roller 131, and the length direction of described chute 26 is parallel with the axis direction of cylinder 21.Arrange roller 131 in tubular die 10 periphery, can be convenient to tubular die (10) is inserted cylinder 21 or extracts out in cylinder, chute 26 can guide with spacing by pair roller 131, prevents tubular die 10 from producing relative to cylinder 21 and rotates.
Preferably, the outer of described tubular body 10 is arranged with detachable clip 13, and described roller 131 is arranged on clip 13.
Preferably, described clip 13 is made up of two semi-rings 13a, 13b, and one end of described two semi-ring 13a, 13b is hinged, and the other end adopts screw 132 to lock, this screw 132 coordinates with the screwed hole on one of them semi-ring 13a, and another semi-ring 13b is provided with the U-shaped draw-in groove 133 snapped in for screw 132.
The outer ring surface of described two semicanal 10a, 10b is circumferentially provided with reinforcement 101, described reinforcement 101 is that two or more is arranged along the axial uniform intervals of tubular body 10, is also provided with the bracing piece 102 with tubular body 10 axis being parallel between described each reinforcement 101.
As shown in Fig. 1,4,5, preferably, described driver element 22 is clockwise and anticlockwise motor, and described clockwise and anticlockwise motor head roll 21 hockets and rotates and reverse, and the cycle of single forward or reverse is at least one circle.
Preferably, as shown in Figure 2, described end cap 24 comprises rotation section 241 and fixed part 242, described rotation section 241 is socketed mutually with fixed part 242, and be rotatably assorted by bearing formation therebetween, described fixed part 242 is communicated with feeding device, and when end cap 24 closes on cylinder 21, rotation section 241 is with cylinder 21 synchronous axial system.
Further, as shown in Figure 1, 2, described end cap 24 is arranged on a travel(l)ing rest 23, rotation section 241 and the travel(l)ing rest 23 of described end cap 24 relatively rotate setting, fixed part 242 is relative with travel(l)ing rest 23 to be fixedly installed, and described travel(l)ing rest 23 is arranged along the axially reciprocating of cylinder 21, closes for Driving terminal 24 or is separated with cylinder 21, and travel(l)ing rest 23 is along the radial direction reciprocating motion setting of cylinder 21, avoids the extraction path of tubular die 10 for Driving terminal 24.
Further, as shown in Figure 3, one end that described cylinder 21 is connected with vacuum extractor be provided with baffle plate 25, described baffle plate 25 is provided with through hole, described baffle plate 25 is provided with support convex 251 towards one end of tubular die 10, described support convex 251 is resisted against on the end plate 11 of tubular die 10, makes end plate 11 and baffle plate 25 spaced.
Specific works process of the present invention is: will be mixed with in slurry injection tube shape mould 10 inner chamber of ceramic fibre, then cylinder 21 is vacuumized, slurries in tubular die 10 are sucked out, ceramic fibre in slurries is then blocked on tubular die 10 inwall and then forms ceramic fibre pipeline, in the process, cylinder 21 reciprocating rotation, makes ceramic fibre be more evenly distributed, and then forms the ceramic fiber tube of uniform wall thickness.
Claims (10)
1. a ceramic fiber tube suction filtration shaped device, it is characterized in that: comprise the upper cylinder (21) rotating setting of frame (10), and the driver element (22) driving this cylinder (21) to rotate, the inner chamber of described cylinder (21) is communicated with vacuum extractor, cylinder one end is provided with can the end cap (24) of closure or openness, described end cap (24) is provided with charging aperture, described charging aperture outer end is communicated with feeding device, tubular die (10) is provided with in described cylinder (21), when end cap (24) is opened, tubular die (10) can be extracted out in cylinder (21), when end cap (24) is closed, charging aperture on end cap (24) is communicated with one end of tubular die (10), the other end of tubular die (10) is provided with end plate (11), the tube wall of described tubular die (10) and end plate (11) are equipped with suction filtration aperture (12), and be equipped with filter cloth (16) inside tube wall and end plate,
Described end cap (24) outside is also provided with a claw (31) arranged along cylinder (21) axially reciprocating, when end cap (24) is opened, claw (31) can clamp tubular die (10), and is extracted out in cylinder (21) by tubular die (10); (20) are also provided with support part to described frame, described support part pumps setting, in the process that tubular die (10) is extracted out, support part moves upward also, and bracketing is in tubular die (10) below, and described support part is synchronous with claw (31) along cylinder (21) axially reciprocating.
2. ceramic fiber tube suction filtration shaped device according to claim 1, it is characterized in that: described claw (31) comprises two pawl arms (311) be parallel to each other, two pawl arms (311) are slidably arranged on a slide rail (312), and the length direction of slide rail (312) is vertical with the length direction of pawl arm (311), two pawl arms (311) are articulated with a connecting rod (313) respectively, and the piston rod of the swinging end of two connecting rods (313) and cylinder (32) is hinged, when cylinder (32) piston rod stretches, can drive two pawl arms (311) close to each other or away from.
3. ceramic fiber tube suction filtration shaped device according to claim 2, it is characterized in that: described slide rail (312), cylinder (32) and support part are all fixed on a sliding support (30), described sliding support (30) slides axially along cylinder (21) and is arranged in frame (20), and described frame (20) is provided with the synchronous belt mechanism (36) for driving sliding support (30) to slide.
4. ceramic fiber tube suction filtration shaped device according to claim 3, it is characterized in that: described support part comprises the push rod (34) of vertically flexible setting on sliding support (30), described push rod (34) top is provided with arc pallet (33), sliding support (30) is also provided with the jacking cylinder (35) for driving push rod (34) to move up and down.
5. ceramic fiber tube suction filtration shaped device according to claim 1, it is characterized in that: described tubular die (10) is formed by two semicanals (10a, 10b) fastening, and is detachable setting between two semicanals (10a, 10b).
6. ceramic fiber tube suction filtration shaped device according to claim 5, it is characterized in that: the outer ring surface of described tubular die (10) is provided with roller (131), described roller (131) is arranged along tubular body (10) axis direction and circumferencial direction interval for multiple, described cylinder (21) inwall is provided with the chute (26) coordinated with roller (131), and the length direction of described chute (26) is parallel with the axis direction of cylinder (21).
7. ceramic fiber tube suction filtration shaped device according to claim 6, it is characterized in that: the outer ring surface of described two semicanals (10a, 10b) is circumferentially provided with reinforcement (101), described reinforcement (101), for two or more is along the axial uniform intervals layout of tubular body (10), is also provided with the bracing piece (102) with tubular body (10) axis being parallel between described each reinforcement (101).
8. ceramic fiber tube suction filtration formation system according to claim 1, is characterized in that: described driver element (22) is clockwise and anticlockwise motor, described clockwise and anticlockwise motor head roll (21) is hocketed and rotated and reverse.
9. ceramic fiber tube suction filtration shaped device according to claim 1, it is characterized in that: described end cap (24) comprises rotation section (241) and fixed part (242), described rotation section (241) and fixed part (242) are socketed mutually, and be rotatably assorted by bearing formation therebetween, described fixed part (242) is communicated with feeding device, when end cap (24) closes on cylinder (21), rotation section (241) are with cylinder (21) synchronous axial system.
10. ceramic fiber tube suction filtration shaped device according to claim 9, it is characterized in that: described end cap (24) is arranged on a travel(l)ing rest (23), rotation section (241) and the travel(l)ing rest (23) of described end cap (24) relatively rotate setting, fixed part (242) is relative with travel(l)ing rest (23) to be fixedly installed, described travel(l)ing rest (23) is arranged along the axially reciprocating of cylinder (21), closed or be separated for Driving terminal (24) and cylinder (21), and travel(l)ing rest (23) is along the radial direction reciprocating motion setting of cylinder (21), the extraction path of tubular die (10) is avoided for Driving terminal (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510757555.5A CN105382927B (en) | 2015-11-04 | 2015-11-04 | Ceramic fiber tube suction filtration shaped device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510757555.5A CN105382927B (en) | 2015-11-04 | 2015-11-04 | Ceramic fiber tube suction filtration shaped device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105382927A true CN105382927A (en) | 2016-03-09 |
| CN105382927B CN105382927B (en) | 2017-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510757555.5A Active CN105382927B (en) | 2015-11-04 | 2015-11-04 | Ceramic fiber tube suction filtration shaped device |
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| Country | Link |
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| CN (1) | CN105382927B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999036A (en) * | 2018-08-29 | 2018-12-14 | 江苏赛图新材料科技有限公司 | A kind of fiber pipe shaping mould propulsion device |
| CN109183520A (en) * | 2018-08-29 | 2019-01-11 | 江苏赛图新材料科技有限公司 | A kind of fibre pipe leaching slurry filters and roll-forming equipment and forming method |
| CN110344288A (en) * | 2019-07-05 | 2019-10-18 | 汪家勤 | Ceramic fiber tube filters formation system and method |
| CN112848001A (en) * | 2020-12-21 | 2021-05-28 | 浙江海亮环境材料有限公司 | Integrated preparation system for ceramic fiber filter tube |
| CN116330437A (en) * | 2023-02-08 | 2023-06-27 | 浙江致远环境科技股份有限公司 | Production process and equipment of ceramic fiber lengthened filter tube |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040070096A1 (en) * | 2002-10-14 | 2004-04-15 | Gideon Grader | Method for preparation of bulk shaped foam articles |
| CN101003149A (en) * | 2007-01-12 | 2007-07-25 | 天津城市建设学院 | Preparing die for perforated ceramics, and application in method of isostatic compaction |
| CN101298171A (en) * | 2008-06-25 | 2008-11-05 | 何锡伶 | Slight ceramic tube and shaping method thereof |
| CN101708630A (en) * | 2009-12-04 | 2010-05-19 | 山东理工大学 | Internal pressure isostatic pressing method and mould of porous ceramic tube |
| CN102490256A (en) * | 2011-12-02 | 2012-06-13 | 赵德臻 | Circumferential isostatic pressing device for ceramic tube |
-
2015
- 2015-11-04 CN CN201510757555.5A patent/CN105382927B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040070096A1 (en) * | 2002-10-14 | 2004-04-15 | Gideon Grader | Method for preparation of bulk shaped foam articles |
| CN101003149A (en) * | 2007-01-12 | 2007-07-25 | 天津城市建设学院 | Preparing die for perforated ceramics, and application in method of isostatic compaction |
| CN101298171A (en) * | 2008-06-25 | 2008-11-05 | 何锡伶 | Slight ceramic tube and shaping method thereof |
| CN101708630A (en) * | 2009-12-04 | 2010-05-19 | 山东理工大学 | Internal pressure isostatic pressing method and mould of porous ceramic tube |
| CN102490256A (en) * | 2011-12-02 | 2012-06-13 | 赵德臻 | Circumferential isostatic pressing device for ceramic tube |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999036A (en) * | 2018-08-29 | 2018-12-14 | 江苏赛图新材料科技有限公司 | A kind of fiber pipe shaping mould propulsion device |
| CN109183520A (en) * | 2018-08-29 | 2019-01-11 | 江苏赛图新材料科技有限公司 | A kind of fibre pipe leaching slurry filters and roll-forming equipment and forming method |
| CN109183520B (en) * | 2018-08-29 | 2019-06-04 | 江苏赛图新材料科技有限公司 | A kind of fibre pipe leaching slurry filters and roll-forming equipment and forming method |
| CN110344288A (en) * | 2019-07-05 | 2019-10-18 | 汪家勤 | Ceramic fiber tube filters formation system and method |
| CN110344288B (en) * | 2019-07-05 | 2020-10-20 | 汪家勤 | Ceramic fiber tube suction filtration forming system and method |
| CN112848001A (en) * | 2020-12-21 | 2021-05-28 | 浙江海亮环境材料有限公司 | Integrated preparation system for ceramic fiber filter tube |
| CN112848001B (en) * | 2020-12-21 | 2022-06-10 | 浙江海亮环境材料有限公司 | Integrated preparation system for ceramic fiber filter tube |
| CN116330437A (en) * | 2023-02-08 | 2023-06-27 | 浙江致远环境科技股份有限公司 | Production process and equipment of ceramic fiber lengthened filter tube |
| CN116330437B (en) * | 2023-02-08 | 2024-03-15 | 浙江致远环境科技股份有限公司 | Production process and equipment of ceramic fiber lengthened filter tube |
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| Publication number | Publication date |
|---|---|
| CN105382927B (en) | 2017-06-16 |
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