CN105328159A - Tube drawing mechanism for centrifugal machine - Google Patents
Tube drawing mechanism for centrifugal machine Download PDFInfo
- Publication number
- CN105328159A CN105328159A CN201510845085.8A CN201510845085A CN105328159A CN 105328159 A CN105328159 A CN 105328159A CN 201510845085 A CN201510845085 A CN 201510845085A CN 105328159 A CN105328159 A CN 105328159A
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- CN
- China
- Prior art keywords
- tube drawing
- oil cylinder
- clamp block
- drawing mechanism
- push rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D13/00—Centrifugal casting; Casting by using centrifugal force
- B22D13/10—Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings
- B22D13/108—Removing of casting
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention discloses a tube drawing mechanism for a centrifugal machine. The tube drawing mechanism comprises a main push oil cylinder, guide posts, an opening and closing oil cylinder, a rotary connecting base, a tong base, a rack and a tube drawing tong head. The main push oil cylinder is mounted on the rack, and a cylinder rod of the main push oil cylinder is hinged to the tail of the tong base. The guide posts are mounted on the rack, and the tong base is mounted on the guide posts in a sliding mode. A rotary sleeve is arranged in the tong base. The opening and closing oil cylinder is mounted on the right portion of the tong base, and a cylinder rod of the opening and closing oil cylinder is connected to the rotary connecting base. The tube drawing tong head comprises a tong body, an ejection rod, a connecting spline and a plurality of connecting rod mechanisms. The left end of the tong body is connected to the rotary sleeve, the left end of the ejection rod is connected to the connecting spline, and the right end of the ejection rod penetrates through the rotary sleeve to be connected to an output shaft of the rotary connecting base. Each connecting rod mechanism comprises a claw arm and a short connecting rod, wherein the right end of the claw arm is hinged to the tong body, one end of the short connecting rod is hinged to the connecting spline, and the other end of the short connecting rod is hinged to the left portion of the claw arm. The connecting rod mechanisms are annularly distributed by taking the ejection rod as the center. The tube drawing mechanism can be used for drawing a tube while the centrifugal main machine is not shut down completely, and the work efficiency is improved.
Description
Technical field
The present invention relates to cast tube equipment technical field, be specifically applicable to centrifugally cast a kind of centrifuge tube drawing mechanism.
Background technology
At present, ductile iron pipe has been widely used in the water supply in cities and towns, draining, Gas transmission project, with the production of people, live closely bound up.China develops centrifugal ductile cast iron pipes from the eighties in 20th century.Along with further developing of economy, the universal of ductile iron pipe will be more and more wider.
Produce in the process of ductile iron pipe adopting efficient centrifugal technology, after centrifuge casting complete, before being parked in tube drawing mechanism, tube drawing mechanism kinematic, tube drawing tongs head is probeed into cast iron pipe straight tube position, with under the heterodromous interaction of centrifugal main frame after tensioning tube inwall, whole for cast tube Zhi Yici is extracted.But at present tube drawing institution staff easily exist complex structure, oil cylinder loss large, due to the precision component rapid wear caused, the problem such as difficult in maintenance not.
Summary of the invention
The object of the present invention is to provide a kind of centrifuge tube drawing mechanism, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
A kind of centrifuge tube drawing mechanism, comprises and promotes mainly oil cylinder, guide pillar, folding oil cylinder, the seat that is rotatably connected, clamp block, frame and tube drawing tongs head; Describedly promote mainly oil cylinder by support installing in frame, the cylinder bar promoting mainly oil cylinder is articulated with the afterbody of clamp block, and guide pillar has two, and symmetrical interval is installed in frame, and clamp block is between two guide pillars, and clamp block is slidably mounted on guide pillar by slider mechanism; Be provided with the pivoted housing rotated in described clamp block therein, described folding oil cylinder is installed on clamp block right part, and the cylinder bar of folding oil cylinder is connected to the seat that is rotatably connected;
Described tube drawing tongs head comprises caliper, push rod, connection spline and linkage, described caliper left end is fixedly attached to pivoted housing, push rod left end is fixedly attached to connection spline, and right-hand member is connected to the output shaft of the seat that is rotatably connected through caliper and pivoted housing, is provided with the through hole passed for push rod in caliper; Described linkage comprises pawl arm and short connecting rod, and pawl arm right-hand member is articulated with on caliper, and short connecting rod one end is articulated with connection spline, the other end is articulated with the left part of pawl arm, pawl arm is also provided with pincers block, and described linkage has multiple, and distributes ringwise centered by push rod.
As the further scheme of the present invention: described in the seat that is rotatably connected be slidably mounted in clamp block by slide mechanism.
As the present invention's further scheme: described slide mechanism is made up of the slide block and the slide rail be fixed in clamp block being arranged on a both sides that are rotatably connected, and slide rail is corresponding with slide block, and skid is arranged on slide rail.
As the present invention's further scheme: be bolted between described caliper and pivoted housing.
As the present invention's further scheme: be provided with axle sleeve between described push rod and pivoted housing.
As the present invention's further scheme: described in be rotatably connected and clamp block by folding between the output shaft of seat and push rod and be rigidly connected.
As the present invention's further scheme: described linkage has 4-6.
Compared with prior art, the invention has the beneficial effects as follows: 1, this centrifuge tube drawing mechanism compact conformation, accurately lead, intensity is high, is easy to repair and maintenance; 2, the binding clip of this centrifuge tube drawing mechanism is with clamp block for being threaded, and is convenient for changing, and produces with the cast tube adapting to different bore; 3, this centrifuge tube drawing mechanism can while centrifugal main frame is not exclusively shut down tube drawing, increase work efficiency, in addition in the process, tube drawing tongs head rotates in company with pipe fitting, and pipe fitting and binding clip can be prevented to be distorted distortion because of rotary motion; 4, this centrifuge tube drawing mechanism, the structure of its tube drawing tongs head arranges four or six jaws according to caliber, provides uniform power, prevent tube wall deformation during tensioning, strengthens the stability of tube drawing tongs head.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram of centrifuge tube drawing mechanism.
Fig. 2 is the plan structure schematic diagram of centrifuge tube drawing mechanism.
In figure: 1-promotes mainly oil cylinder, 2-guide pillar, 3-folding oil cylinder, 4-are rotatably connected seat, 5-folding pincers block, 6-clamp block, 61-pivoted housing, 62-slider mechanism, 7-frame, 8-tube drawing tongs head, 81-caliper, 82-push rod, 83-pawl arm, 84-connect spline, 85-short connecting rod, 86-clamp block.
Detailed description of the invention
Be described in more detail below in conjunction with the technical scheme of detailed description of the invention to this patent.
Refer to Fig. 1-2, a kind of centrifuge tube drawing mechanism, comprise and promote mainly oil cylinder 1, guide pillar 2, folding oil cylinder 3, the seat 4 that is rotatably connected, clamp block 6, frame 7 and tube drawing tongs head 8, describedly promote mainly oil cylinder 1 by support installing in frame 7, the cylinder bar promoting mainly oil cylinder 1 is articulated with the afterbody of clamp block 6, guide pillar 2 has two, and symmetrical interval is installed in frame 7, clamp block 6 is between two guide pillars 2, and clamp block 6 is slidably mounted on guide pillar 2 by slider mechanism 62, when the cylinder bar promoting mainly oil cylinder 1 stretches, promote clamp block 6 and move left and right along guide pillar 2, the pivoted housing 61 rotated is provided with therein in described clamp block 6, described folding oil cylinder 3 is installed on clamp block 6 right part, the cylinder bar of folding oil cylinder 3 is connected to the seat 4 that is rotatably connected, the seat 4 that is rotatably connected is slidably mounted in clamp block 6 by slide mechanism, when the cylinder bar of folding oil cylinder 3 stretches, the seat 4 that just promotes to be rotatably connected moves along clamp block 6, preferably, described slide mechanism is made up of the slide block and the slide rail be fixed in clamp block 6 being arranged on seat 4 both sides that are rotatably connected, slide rail is corresponding with slide block, and skid is arranged on slide rail, when the seat 4 that is rotatably connected moves, coupled slide block will move along slide rail, movement for the seat 4 that is rotatably connected provides guiding and stabilization, Stability Analysis of Structures,
Described tube drawing tongs head 8 comprises caliper 81, push rod 82, connect spline 84 and linkage, described caliper 81 left end is fixedly attached to pivoted housing 61, preferably, be bolted between described caliper 81 and pivoted housing 61, push rod 82 left end is fixedly attached to and connects spline 84, right-hand member is connected to the output shaft of the seat 4 that is rotatably connected through caliper 81 and pivoted housing 61, the through hole passed for push rod 82 is provided with in caliper 81, when the cylinder bar of folding oil cylinder 3 stretches, the promotion seat 4 that is rotatably connected moves along clamp block 6, and then drive push rod 82 to move, when push rod 82 moves, the spline 84 that is dynamically connected is with to move, preferably, axle sleeve is provided with between described push rod 82 and pivoted housing 61, clamp block 5 by folding between the output shaft of the described seat 4 that is rotatably connected and push rod 82 to be rigidly connected, described linkage comprises pawl arm 83 and short connecting rod 85, pawl arm 83 right-hand member is articulated with on caliper 81, short connecting rod 85 one end is articulated with and connects spline 84, the other end is articulated with the left part of pawl arm 83, pawl arm 83 is also provided with pincers block 86, described linkage has multiple, and distribute ringwise centered by push rod 82, preferably, described linkage has 4-6, when push rod 82 is with the spline 84 that is dynamically connected to move, under the effect of short connecting rod 85, pawl arm 83 opening and closing, the opening and closing ringwise of multiple pawl arms 83, to clamp or to unclamp pipe fitting inner wall.
Operation principle of the present invention is: described centrifuge tube drawing mechanism, when after centrifuge casting complete, before being parked in tube drawing mechanism, the oil cylinder 1 of promoting mainly of tube drawing mechanism extends, promote clamp block 6 to move forward along guide pillar 2, and then drive tube drawing tongs head 8 to probe in cast iron pipe straight tube position, now promote mainly oil cylinder 1 to stop extending, the cylinder bar of folding oil cylinder 3 extends, the promotion seat 4 that is rotatably connected moves along clamp block 6, and then drive push rod 82 to move forward, when push rod 82 moves forward, the spline 84 that is dynamically connected is with to move forward, when push rod 82 is with the spline 84 that is dynamically connected to move forward, under the effect of short connecting rod 85, multiple pawl arm 83 opens ringwise, the uniform tensile force of circumference is produced to cast iron pipe inner wall, to clamp solid cast iron pipe inner wall.Now, the cylinder bar promoting mainly oil cylinder 1 shrinks, and drives clamp block 6 to move after guide pillar 2, and then moves after driving tube drawing tongs head 8, thus extracted out in centrifuge by cast iron pipe.After extraction, the cylinder bar of folding oil cylinder 3 shrinks, driven rotary Connection Block 4 moves along clamp block 6, and then moves, when moving after push rod 82 after driving push rod 82, move after being with the spline 84 that is dynamically connected, when moving after push rod 82 band is dynamically connected spline 84, under the effect of short connecting rod 85, multiple pawl arm 83 folds ringwise, thus pawl arm 83 and cast iron pipe inner wall depart from, and now cast iron pipe can be taken off.The process that cast iron pipe is extracted out in centrifuge; if centrifuge does not have dead halt; now cast iron pipe drives tube drawing tongs head 8 to rotate; the caliper 81 of tube drawing tongs head 8 drives pivoted housing 61 to rotate; the push rod 82 of tube drawing tongs head 8 drives folding to clamp block 5 and the seat 4 that is rotatably connected rotates; and miscellaneous part is not affected, carry out tube drawing under the situation that therefore this centrifuge tube drawing mechanism not exclusively can shut down at centrifuge.
Described centrifuge tube drawing mechanism compact conformation, accurately lead, intensity is high, is easy to repair and maintenance; The binding clip of described centrifuge tube drawing mechanism, is convenient for changing for being threaded with clamp block, produces with the cast tube adapting to different bore; Described centrifuge tube drawing mechanism can while centrifugal main frame is not exclusively shut down tube drawing, increase work efficiency, in addition in the process, tube drawing tongs head 8 rotates in company with pipe fitting, and pipe fitting and binding clip can be prevented to be distorted distortion because of rotary motion; Described centrifuge tube drawing mechanism, the structure of its tube drawing tongs head 8 arranges four or six jaws according to caliber, provides uniform power, prevent tube wall deformation during tensioning, strengthens the stability of tube drawing tongs head 8.
Above the better embodiment of this patent is explained in detail, but this patent is not limited to above-mentioned embodiment, in the ken that one skilled in the relevant art possesses, various change can also be made under the prerequisite not departing from this patent aim.
Claims (7)
1. a centrifuge tube drawing mechanism, it is characterized in that, comprise and promote mainly oil cylinder (1), guide pillar (2), folding oil cylinder (3), the seat that is rotatably connected (4), clamp block (6), frame (7) and tube drawing tongs head (8); Describedly promote mainly oil cylinder (1) by support installing in frame (7), the cylinder bar promoting mainly oil cylinder (1) is articulated with the afterbody of clamp block (6), guide pillar (2) has two, and symmetrical interval is installed in frame (7), clamp block (6) is positioned between two guide pillars (2), and clamp block (6) is slidably mounted on guide pillar (2) by slider mechanism (62); The pivoted housing (61) rotated is provided with therein in described clamp block (6), described folding oil cylinder (3) is installed on clamp block (6) right part, and the cylinder bar of folding oil cylinder (3) is connected to the seat that is rotatably connected (4);
Described tube drawing tongs head (8) comprises caliper (81), push rod (82), connects spline (84) and linkage, described caliper (81) left end is fixedly attached to pivoted housing (61), push rod (82) left end is fixedly attached to and connects spline (84), right-hand member is connected to the output shaft of the seat that is rotatably connected (4) through caliper (81) and pivoted housing (61), is provided with the through hole passed for push rod (82) in caliper (81); Described linkage comprises pawl arm (83) and short connecting rod (85), pawl arm (83) right-hand member is articulated with on caliper (81), short connecting rod (85) one end is articulated with and connects spline (84), the other end is articulated with the left part of pawl arm (83), pawl arm (83) is also provided with pincers block (86), described linkage has multiple, and distributes ringwise centered by push rod (82).
2. centrifuge tube drawing mechanism according to claim 1, is characterized in that, described in the seat (4) that is rotatably connected be slidably mounted in clamp block (6) by slide mechanism.
3. centrifuge tube drawing mechanism according to claim 2, it is characterized in that, described slide mechanism is made up of the slide block and the slide rail be fixed in clamp block (6) being arranged on the seat that is rotatably connected (4) both sides, slide rail is corresponding with slide block, and skid is arranged on slide rail.
4. the centrifuge tube drawing mechanism according to claim 1 or 2 or 3, is characterized in that, is bolted between described caliper (81) and pivoted housing (61).
5. centrifuge tube drawing mechanism according to claim 4, is characterized in that, is provided with axle sleeve between described push rod (82) and pivoted housing (61).
6. the centrifuge tube drawing mechanism according to claim 1 or 2 or 3 or 5, is characterized in that, described in be rotatably connected and clamp block (5) by folding between the output shaft of seat (4) and push rod (82) and be rigidly connected.
7. centrifuge tube drawing mechanism according to claim 6, is characterized in that, described linkage has 4-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510845085.8A CN105328159B (en) | 2015-11-27 | 2015-11-27 | A kind of centrifuge tube drawing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510845085.8A CN105328159B (en) | 2015-11-27 | 2015-11-27 | A kind of centrifuge tube drawing mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105328159A true CN105328159A (en) | 2016-02-17 |
| CN105328159B CN105328159B (en) | 2018-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510845085.8A Active CN105328159B (en) | 2015-11-27 | 2015-11-27 | A kind of centrifuge tube drawing mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN105328159B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523945A (en) * | 2018-05-24 | 2019-12-03 | 杭州翡翠谷科技有限公司 | A kind of tube drawing clamp device for the automatic cast tube of spheroidal graphite |
| CN110523946A (en) * | 2019-08-24 | 2019-12-03 | 浙江深澳机械工程有限公司 | A kind of drawbench of centrifugal tube casting machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59191556A (en) * | 1983-04-15 | 1984-10-30 | Kubota Ltd | Method and device for drawing casting in continuous casting installation |
| EP0125549A1 (en) * | 1983-05-11 | 1984-11-21 | Pont-A-Mousson S.A. | Socket core support for a centrifugal mould for cast iron pipes having a socket |
| JP2003326347A (en) * | 2002-05-14 | 2003-11-18 | Nippon Chutetsukan Kk | Method for pulling out cast iron tube in centrifugal casting machine |
| CN201350498Y (en) * | 2009-02-20 | 2009-11-25 | 大连万通工业装备有限公司 | Rotary tube drawing pliers |
| CN102744386A (en) * | 2012-07-30 | 2012-10-24 | 新兴河北工程技术有限公司 | Tube drawing pincers used for cast tube centrifugal machine |
| CN205437086U (en) * | 2015-11-27 | 2016-08-10 | 新兴河北工程技术有限公司 | Tube drawing mechanism for centrifuge |
-
2015
- 2015-11-27 CN CN201510845085.8A patent/CN105328159B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59191556A (en) * | 1983-04-15 | 1984-10-30 | Kubota Ltd | Method and device for drawing casting in continuous casting installation |
| EP0125549A1 (en) * | 1983-05-11 | 1984-11-21 | Pont-A-Mousson S.A. | Socket core support for a centrifugal mould for cast iron pipes having a socket |
| JP2003326347A (en) * | 2002-05-14 | 2003-11-18 | Nippon Chutetsukan Kk | Method for pulling out cast iron tube in centrifugal casting machine |
| CN201350498Y (en) * | 2009-02-20 | 2009-11-25 | 大连万通工业装备有限公司 | Rotary tube drawing pliers |
| CN102744386A (en) * | 2012-07-30 | 2012-10-24 | 新兴河北工程技术有限公司 | Tube drawing pincers used for cast tube centrifugal machine |
| CN205437086U (en) * | 2015-11-27 | 2016-08-10 | 新兴河北工程技术有限公司 | Tube drawing mechanism for centrifuge |
Non-Patent Citations (1)
| Title |
|---|
| 乔秀丽等: "水冷球墨铸铁管离心机拔管装置的改进", 《金属加工：热加工》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110523945A (en) * | 2018-05-24 | 2019-12-03 | 杭州翡翠谷科技有限公司 | A kind of tube drawing clamp device for the automatic cast tube of spheroidal graphite |
| CN110523946A (en) * | 2019-08-24 | 2019-12-03 | 浙江深澳机械工程有限公司 | A kind of drawbench of centrifugal tube casting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105328159B (en) | 2018-04-10 |
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