CN104647585A - Vibrating steel mould for PCCP (Pre-stressed Concrete Cylinder Pipe) - Google Patents
Vibrating steel mould for PCCP (Pre-stressed Concrete Cylinder Pipe) Download PDFInfo
- Publication number
- CN104647585A CN104647585A CN201510071619.6A CN201510071619A CN104647585A CN 104647585 A CN104647585 A CN 104647585A CN 201510071619 A CN201510071619 A CN 201510071619A CN 104647585 A CN104647585 A CN 104647585A
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- China
- Prior art keywords
- internal mold
- pccp
- mould
- door plate
- vibrates
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- 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.)
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Classifications
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- 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
- B28B21/76—Moulds
- B28B21/80—Moulds adapted to centrifugal or rotational moulding
Abstract
The invention relates to a vibrating steel mould for a PCCP (Pre-stressed Concrete Cylinder Pipe). The vibrating steel mould comprises an inner mould and a steel cylinder, wherein the inner mould is made of a flexible material and is provided with an opening which is in the axial direction; the opening can be closed by an inner door plate of the inner mould and an outer door plate of the inner mould which are matched with each other in a sealing manner; a structure for strengthening the strength of the outer door plate of the inner mould is arranged in the outer door plate of the inner mould, so that the outer door plate of the inner mould can overcome the outward extrusion force applied to the outer door plate of the inner mould when the inner door plate of the inner mould moves to the outer door plate of the inner mould, and the curvature on the periphery of the outer door plate of the inner mould is kept unchanged; the inner door plate of the inner mould is embedded into the outer door plate of the inner mould, so that the circumference of the inner door plate of the inner mould is shortened; a compressing device for compressing or loosening the inner door plate of the inner mould and the outer door plate of the inner mould plate is arranged in the inner mould. The invention provides a design for opening a door, closing the door, compressing and loosening by adopting the operation at the two ends of the steel mould; the problem about the development of multi-degree of freedom to the direction which is favorable to opening and closing the steel mould is solved by adding an arc-shaped plate; an advanced concrete pipe process mode of vertical molding, mechanical feeding and dense vibrating is adopted.
Description
Technical field
The present invention relates to a kind of PCCP and vibrate punching block, relate to a kind of production prestress steel cylinder concrete pipe of cement specifically.
Background technology
The domestic centrifuging process that generally adopts produces small-bore prestress steel cylinder concrete pipe of cement at present.Centrifugal tube-making process is that China produces the conventional technique of PCCP pipe, and the production cycle is long, production efficiency is low, and blowdown is serious, and power consumption is large, and laitance affects body intensity and inner wall smooth, and the easy running pulp in mould joint place is leaked.And the minimum PCCP pipe can only producing more than 1000mm diameter of vibration tube-making process advanced at present.
Summary of the invention
The present invention is directed to above-mentioned defect, object is to provide a kind of small-bore PCCP pipe production technology solving above existence to fall behind, the problem of poor efficiency, high pollution, high energy consumption.Punching block two ends are adopted to operate the design of opening the door, closing the door, compressing, unclamp; Additional arc plate solves multiple degrees of freedom to favourable punching block open and close door future development; Adopt vertical forming, positive feed, the advanced technologies mode of the production concrete pipe of vibratory compaction.
The technical solution used in the present invention is for this reason: comprise internal mold (1) and steel cylinder (2), described internal mold (1) is made up of flexible material, and be provided with an opening in axial direction, described opening can be closed by the internal mold internal hilar plate (11) be sealed and matched and internal mold external door panel (12), establish the structure strengthening its intensity can overcome the outside extruding force caused it when internal mold internal hilar plate (11) moves in internal mold external door panel (12) in described internal mold external door panel (12), internal mold external door panel (12) periphery curvature is remained unchanged, internal mold internal hilar plate (11) then embeds in internal mold external door panel (12) and its girth is shortened,
The hold down gag (3) that described internal mold internal hilar plate (11), internal mold external door panel (12) are compressed or unclamped is established in described internal mold (1).
Establish arc plate (121) to strengthen its intensity in described internal mold external door panel (12).
Described hold down gag (3) comprises the guide rail (31) that vertical direction moves up and down, guide rail (31) longitudinal direction is laid with some voussoirs (32) extended from guide rail (31), be provided with the compact heap (33) corresponding with described voussoir (32) in described internal mold (1), described compact heap (33) contacts with internal mold internal hilar plate (11).
Described internal mold (1),
steel cylinder(2) be arranged on bed die (4), top arranges backform (5).
Described backform (5) is arranged blanking cone (6), blanking is bored (6) top and is arranged the hopper (7) with its correspondence, and described blanking cone (6) and hopper (7) correspondence make material flow in the cavity of formation between internal mold (1) and steel cylinder (2).
Be provided with back taper (71) in described hopper (7), can relatively move up and down between described hopper (7) and back taper (71).
Described internal mold door-plate (11) drives linkage (9) to realize closure or openness by gear train (8).
Described guide rail (31) is driven by feed screw nut (10) and moves up and down.
Vibrator (13) is established in described internal mold (1).
Advantage of the present invention is: 1) internal mold of the present invention is under the door state of pass, and with bed die, steel cylinder forms the volume of opening upwards, and is accompanied by vibrator, is convenient to concrete formation; Internal mold is under door opening state, and internal hilar plate mixes in external door panel, overall circumference is shortened, also reduces with regard to internal mold; Bed die, goods and internal mold form gap, are convenient to goods and take out from internal mold; 2) bed die is first fixed on operation room by the present invention, internal mold, steel cylinder (parts for goods) are then installed, the concrete that mixing is good is contained in the hopper of the reverse cone of band, under travelling bogie is transported to driving hopper from mixer, driving slings hopper to blanking cone top, hopper declines, blanking vertex of a cone sawing sheet sluice gate, control hopper and decline more relative to blanking cone, hopper opens the door larger, blanking velocity is also large, vice versa, and concrete enters in punching block along blanking cone inclined-plane, opens vibrator and makes concrete compaction, accomplish that feeding limit, limit is closely knit, thus quality controllable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2,3 is top view when internal mold is in closedown, opening.
Fig. 4 is I enlarged drawing in Fig. 1.
Fig. 5 is II enlarged drawing in Fig. 1.
In figure 1 be internal mold, 2 for steel cylinder, 3 for hold down gag, 4 for bed die, 5 for backform, 6 for blanking cone, 7 for hopper, 8 for gear train, 9 for linkage, 10 be feed screw nut;
11 be internal mold internal hilar plate, 12 be internal mold external door panel, 13 for vibrator;
121 is arc plate;
31 be guide rail, 32 be voussoir, 33 for compact heap;
71 is back taper.
Detailed description of the invention
The present invention includes internal mold 1 and steel cylinder 2, described internal mold 1 is made up of flexible material, and be provided with an opening in axial direction, described opening can be closed by the internal mold internal hilar plate 11 be sealed and matched and internal mold external door panel 12, establish the structure strengthening its intensity can overcome the outside extruding force caused it when internal mold internal hilar plate 11 moves in internal mold external door panel 12 in described internal mold external door panel 12, internal mold external door panel 12 periphery curvature is remained unchanged, and internal mold internal hilar plate 11 embeds in internal mold external door panel 12 and its girth is shortened;
The hold down gag 3 that described internal mold internal hilar plate 11, internal mold external door panel 12 are compressed or unclamped is established in described internal mold 1.
Establish arc plate 121 to strengthen its intensity in described internal mold external door panel 12.
Described hold down gag 3 comprises the guide rail 31 that vertical direction moves up and down, guide rail 31 longitudinal direction is laid with some voussoirs 32 extended from guide rail 31, be provided with the compact heap 33 with described voussoir 32 correspondence in described internal mold 1, described compact heap 33 contacts with internal mold internal hilar plate 11.
Described internal mold 1, steel cylinder 2 are arranged on bed die 4, and top arranges backform 5.
Described backform 5 is arranged blanking and bore 6, blanking is bored 6 tops and is arranged the hopper 7 with its correspondence, and described blanking cone 6 and hopper 7 correspondence make material flow in the cavity of formation between internal mold 1 and steel cylinder 2.
Be provided with back taper 71 in described hopper 7, can relatively move up and down between described hopper 7 and back taper 71.
Described internal mold door-plate 11 drives linkage 9 to realize closure or openness by gear train 8.
Described guide rail 31 is driven by feed screw nut 10 and moves up and down.
Vibrator 13 is established in described internal mold 1.
Below in conjunction with accompanying drawing, specific description is made to the present invention, better to understand the present invention:
Small dimension PCCP vibrates punching block primarily of bed die 4, internal mold 1, external mold (PCCPE has external mold, and PCCPL is without external mold), backform 5, blanking cone composition.
1) bed die 4 main body is formed by cast steel fine finishining, is equipped with other annex.
Bed die 4 is mainly in order to locate one or two (PCCPE) volume of internal mold 1, steel cylinder 2, external mold (only having PCCPE to have) formation opening upwards; Only limit the mechanism that internal mold 1 axially moves.
2) internal mold 1 main body becomes single radial cut flexible steel mould by special plate assembly welding, and be accompanied by vibrator 13.
Internal mold 1 is under the door state of pass, and with bed die 4, steel cylinder 2 forms the volume of opening upwards, and is accompanied by vibrator 13, is convenient to concrete formation; Internal mold 1 is under door opening state, and internal mold internal hilar plate 11 mixes in external door panel, overall circumference is shortened, also reduces with regard to internal mold.Bed die 4, goods and internal mold 1 forms gap, is convenient to goods and takes out from internal mold 1.
3) external mold (only having PCCPE to have) main body becomes single radial cut flexible steel mould by steel plate installed-welded, and be accompanied by vibrator 13:
External mold, under the door state of pass, forms the volume of opening upwards with bed die 4, steel cylinder 2, and is accompanied by vibrator 13, be convenient to concrete formation; External mold is under door opening state, and separately, overall circumference is lengthened, and bed die 4, goods and external mold form gap to two door-plates, are convenient to external mold and take out from goods.
4) backform is mainly for locating upper end, and back taper 71 is mainly convenient to blanking.
3, technical characterstic:
1) internal mold 1 special plate has good welding performance, good toughness, and intensity is general; Special moulding process; Be convenient to open the door.Open the door, close the door, two ends transmission, upper end operate, concrete grammar is: through stage-geared, drive door plate hinge mechanism 9 open the door or close the door.Compress, unclamp by gear drive, rotary screw rod nut 10 makes it drive guide rail 31 moving linearly, and the voussoir on guide rail 31 32 groups compresses or unclamps door-plate.
2) enabling terminal mechanism is linkage 9, though be flexible steel mould, because diameter is little, length is long, and rigidity is bigger than normal, when internal mold internal hilar plate 11 mixes internal mold external door panel 12, internal mold external door panel 12 is extruded, and makes local diameter become large, demoulding difficulty; For head it off, add arc plate 121 internal mold external door panel 12 sections, strengthen its intensity, make internal mold external door panel 12 that internal mold internal hilar plate 11 is pressed to inside, when internal mold internal hilar plate 11 mixes internal mold external door panel 12, girth shortens, diameter diminishes, and makes goods and internal mold 1 occur gap, is convenient to the demoulding.
3) convenient in order to produce, also in order to not damage goods upper end during the demoulding, just internal mold internal hilar plate 11, internal mold exterior sheathing 12 being opened, instead of internal mold 1 is deviate from from goods, directly with special tube core suspender, goods being hung away; Sling together by internal mold 1 when preventing from hanging goods, internal mold 1 must do axial restriction by bed die 4 relatively.
4) because goods are little, wall is thin, prevents concrete from splashing outside, and the rib of blanking cone 6 makes inverted cone-shaped structure, and for accelerating blanking velocity, backform 5 baffle plate also makes back taper.
After adopting above technical scheme: the present invention:
1) production efficiency is high: for DN800X6 rice PCCPL pipe, every root goods only need more than ten minute, and centrifuging process is done two-tube, a hours;
2) mechanization degree is high, and operation labour intensity is low: carry out feeding by operation driving or charge car, and centrifuging process is generally hand fed;
3) energy consumption is low: vibratory process concrete compaction only needs a little pneumatic vibrator works more than ten minute, and centrifuging process is done two-tube, the work one of kilowatt motor more than 100 hours;
4) production process environmental protection: without useless slurry, sewage;
5) security is good: mould geo-stationary during vibration moulding, and without dangerous, centrifuging process mold high speed rotates, and flies mould situation and occurs, and makes drill rod and easily slip out of the hand and hurt sb.'s feelings during plasma discharge, and during hand fed, hand easily encounters the punching block of High Rotation Speed and injured;
6) versatility is good, and centrifuging process can only produce PCCPL pipe, and vibratory process both can produce PCCPL pipe, also can produce the nonstandard pipe of PCCPE type.
Good product quality: concrete density is high, impervious good, inner wall smooth.
Claims (9)
1.PCCP vibrates punching block, it is characterized in that, comprise internal mold (1) and steel cylinder (2), described internal mold (1) is made up of flexible material, and be provided with an opening in axial direction, described opening can be closed by the internal mold internal hilar plate (11) be sealed and matched and internal mold external door panel (12), establish the structure strengthening its intensity can overcome the outside extruding force caused it when internal mold internal hilar plate (11) moves in internal mold external door panel (12) in described internal mold external door panel (12), internal mold external door panel (12) periphery curvature is remained unchanged, internal mold internal hilar plate (11) then embeds in internal mold external door panel (12) and its girth is shortened,
The hold down gag (3) that described internal mold internal hilar plate (11), internal mold external door panel (12) are compressed or unclamped is established in described internal mold (1).
2. PCCP according to claim 1 vibrates punching block, it is characterized in that, establishes arc plate (121) to strengthen its intensity in described internal mold external door panel (12).
3. PCCP according to claim 1 vibrates punching block, it is characterized in that, described hold down gag (3) comprises the guide rail (31) that vertical direction moves up and down, guide rail (31) longitudinal direction is laid with some voussoirs (32) extended from guide rail (31), be provided with the compact heap (33) corresponding with described voussoir (32) in described internal mold (1), described compact heap (33) contacts with internal mold internal hilar plate (11).
4. PCCP according to claim 1 vibrates punching block, and it is characterized in that, described internal mold (1), steel cylinder (2) are arranged on bed die (4), and top arranges backform (5).
5. PCCP according to claim 4 vibrates punching block, it is characterized in that, described backform (5) is arranged blanking cone (6), blanking is bored (6) top and is arranged the hopper (7) with its correspondence, and described blanking cone (6) and hopper (7) correspondence make material flow in the cavity of formation between internal mold (1) and steel cylinder (2).
6. PCCP according to claim 5 vibrates punching block, it is characterized in that, is provided with back taper (71) in described hopper (7), can relatively move up and down between described hopper (7) and back taper (71).
7. PCCP according to claim 1 vibrates punching block, it is characterized in that, described internal mold door-plate (11) drives linkage (9) to realize closure or openness by gear train (8).
8. PCCP according to claim 3 vibrates punching block, it is characterized in that, described guide rail (31) is driven by feed screw nut (10) and moves up and down.
9. PCCP according to claim 1 vibrates punching block, it is characterized in that, establishes vibrator (13) in described internal mold (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071619.6A CN104647585A (en) | 2015-02-11 | 2015-02-11 | Vibrating steel mould for PCCP (Pre-stressed Concrete Cylinder Pipe) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510071619.6A CN104647585A (en) | 2015-02-11 | 2015-02-11 | Vibrating steel mould for PCCP (Pre-stressed Concrete Cylinder Pipe) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104647585A true CN104647585A (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510071619.6A Pending CN104647585A (en) | 2015-02-11 | 2015-02-11 | Vibrating steel mould for PCCP (Pre-stressed Concrete Cylinder Pipe) |
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| Country | Link |
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| CN (1) | CN104647585A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058574A (en) * | 2015-08-30 | 2015-11-18 | 江苏邦威机械制造有限公司 | Automatic door opening device of vibration outer steel mold |
| CN108858732A (en) * | 2018-07-25 | 2018-11-23 | 沈丹萍 | Mold in a kind of concrete prefabricated round tube |
| CN108908686A (en) * | 2018-07-25 | 2018-11-30 | 沈丹萍 | A kind of concrete prefabricated round tube internal model locking device and its locking method |
| CN108972870A (en) * | 2018-07-25 | 2018-12-11 | 沈丹萍 | A kind of concrete prefabricated round tube internal model structure and its opening/closing method |
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| JP2000158429A (en) * | 1998-11-25 | 2000-06-13 | Nippon Steel Metal Prod Co Ltd | Concrete block molding form |
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| CN2853353Y (en) * | 2005-12-16 | 2007-01-03 | 张勇 | Vertical vibration pipe mould |
| CN2866080Y (en) * | 2006-03-01 | 2007-02-07 | 江苏邦威机械制造有限公司 | Mechanical automatic opening and closing vertical cores |
| CN101579890A (en) * | 2009-06-05 | 2009-11-18 | 淄博龙泉管道工程有限公司 | Vertical type vibratory molding process for concrete tube of lining type prestressed steel cylinder |
| CN203957116U (en) * | 2014-06-12 | 2014-11-26 | 江苏江桥机械制造有限公司 | Vertical vibrating internal mold single open-door mechanism |
| CN104191519A (en) * | 2014-08-27 | 2014-12-10 | 江苏江扬建材机械有限公司 | Vertical machining device and method for small-caliber PCCP |
| CN204622298U (en) * | 2015-02-11 | 2015-09-09 | 江苏邦威机械制造有限公司 | PCCP vibrates punching block |
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2015
- 2015-02-11 CN CN201510071619.6A patent/CN104647585A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD135052A1 (en) * | 1978-03-29 | 1979-04-11 | Ulrich Kaatzsch | DEVICE FOR FORMING CONCRETE AND STEEL CONCRETE PARTS |
| JP2000158429A (en) * | 1998-11-25 | 2000-06-13 | Nippon Steel Metal Prod Co Ltd | Concrete block molding form |
| RU2152303C1 (en) * | 1999-03-19 | 2000-07-10 | Государственное предприятие РФ Центральное научно-конструкторское бюро | Mould for manufacturing polymer concrete pipes |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105058574A (en) * | 2015-08-30 | 2015-11-18 | 江苏邦威机械制造有限公司 | Automatic door opening device of vibration outer steel mold |
| CN108858732A (en) * | 2018-07-25 | 2018-11-23 | 沈丹萍 | Mold in a kind of concrete prefabricated round tube |
| CN108908686A (en) * | 2018-07-25 | 2018-11-30 | 沈丹萍 | A kind of concrete prefabricated round tube internal model locking device and its locking method |
| CN108972870A (en) * | 2018-07-25 | 2018-12-11 | 沈丹萍 | A kind of concrete prefabricated round tube internal model structure and its opening/closing method |
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Application publication date: 20150527 |