CN108394017B - Internal mold opening and closing locking mechanism - Google Patents
Internal mold opening and closing locking mechanism Download PDFInfo
- Publication number
- CN108394017B CN108394017B CN201810412153.5A CN201810412153A CN108394017B CN 108394017 B CN108394017 B CN 108394017B CN 201810412153 A CN201810412153 A CN 201810412153A CN 108394017 B CN108394017 B CN 108394017B
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- plate
- fixed
- door plate
- inner mold
- shaft
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- 230000007246 mechanism Effects 0.000 title claims abstract description 55
- 230000002787 reinforcement Effects 0.000 claims abstract description 4
- 230000003068 static effect Effects 0.000 claims description 9
- 238000007514 turning Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005553 drilling Methods 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
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
- B28B21/86—Cores
- B28B21/88—Cores adjustable, collapsible or expansible
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
- Hinges (AREA)
Abstract
The inner mold opening and closing locking mechanism comprises a linkage shaft, a locking reinforcement mechanism, a fixed long shaft, a limiting connecting plate mechanism, an inner mold fixing door plate and an inner mold door plate, wherein the inner mold fixing door plate and the inner mold door plate are meshed with each other, and the back surfaces of the inner mold fixing door plate and the inner mold door plate are hinged with each other through the limiting connecting plate mechanism; one fixed end of the locking force increasing mechanism is fixed on the back surface of the inner mold door plate, and the other fixed end of the locking force increasing mechanism is fixed on the back surface of the inner mold door plate; the fixed long shaft is used as a supporting hinge shaft of the limiting link plate mechanism and the locking force-increasing mechanism, the linkage shaft is used as a driving shaft of the locking force-increasing mechanism, and the top end of the linkage shaft is connected with the driving device. The inner die opening and closing locking mechanism is convenient to manufacture, simple to operate, economical and practical, and can enable the pipe forming seam to be less and no drilling inner die inner operation is needed.
Description
Technical Field
The invention relates to an internal mold shrinkage and rounding locking mechanism of cement pipe making equipment.
Background
At present, most cement tubulation equipment needs the centre form to have shrink and prop the circle function, can conveniently drawing of patterns when shrink, can seal the tubulation when propping the circle. The common internal mold for cement pipe production needs to have the functions of shrinkage and rounding, such as PCCP internal mold, drain pipe vertical vibrating process internal mold, etc. The opening and closing of the internal mold currently has the following modes: the supporting device is a vertical machining device of a PCCP pipe with 3 small calibers, wherein the supporting device is formed by a manual screw rod which is tightly propped open, a 2 cylinder which is tightly propped open and a 3 small caliber; and 4, a core-pulling type stretching device. The internal mold is opened by manually pushing the screw rod, so that the labor intensity is high, workers need to drill the internal mold for operation, and the efficiency is low; the internal mold adopts a cylinder propping opening mode, and because the pipeline and the internal mold need to be simultaneously subjected to steam maintenance during pipe forming, the sealing of the steam on the cylinder is easy to damage, the cylinder needs to be frequently maintained, and the internal mold is not suitable for long-term batch production and has high cost; the supporting and shrinking device of the vertical processing device of the small-caliber PCCP pipe is a patent technology, but the manufacturing cost of the device is too high and the device is not suitable for the production of large-caliber concrete pipelines; the core-pulling type supporting and shrinking device can generate at least 2 vertical longitudinal joints when the pipeline is formed due to the structural characteristics, has higher sealing requirements, and is easy to leak slurry in the pipeline production process, so that the product quality is influenced.
Disclosure of Invention
The invention aims at: the inner mold opening and closing locking mechanism is convenient to manufacture, simple to operate, few in forming seams, economical and practical, and free from drilling inner mold inner operation.
The invention comprises a linkage shaft, a locking force-increasing mechanism, a fixed long shaft, a limiting connecting plate mechanism, an inner die fixing door plate and an inner die door plate, wherein the inner die fixing door plate and the inner die door plate are meshed with each other, and the back surfaces of the inner die door plate and the inner die door plate are hinged with each other through the limiting connecting plate mechanism; one fixed end of the locking force increasing mechanism is fixed on the back surface of the inner mold door plate, and the other fixed end of the locking force increasing mechanism is fixed on the back surface of the inner mold door plate; the fixed long shaft is used as a supporting hinge shaft of the limiting connecting plate mechanism and the locking force-increasing mechanism, the linkage shaft is used as a driving shaft of the locking force-increasing mechanism, and the top end of the linkage shaft is connected with the driving device.
In the actual use process, the inner mold cylinder is formed by rolling a certain flexible steel plate, the inner mold door plate and the inner mold door plate are manufactured in a matched mode and are respectively welded on a longitudinal seam of the inner mold cylinder, and two ends of the inner mold cylinder are respectively welded on the inner mold door plate and the inner mold door plate to form the whole inner mold. The inner mold, the outer mold, the bottom mold and the top mold are configured to form the mold equipment for producing the concrete pipeline.
When the concrete pipeline is produced, the bottom die is in place, the inner die is firstly installed, the concrete reinforcement cage or the steel cylinder framework is placed, then the top die is installed, and finally the outer die is installed.
When the inner mold is installed, the driving device is required to be rotated, so that the locking force-increasing mechanism acts, the inner mold door plate and the inner mold door plate are separated, and the shrinkage of the inner mold cylinder body is realized. After the contracted inner die is placed on the bottom die, the driving device is reversely rotated again, so that the locking force-increasing mechanism reversely acts, the inner die door plate and the inner die fixing door plate are closed, and the rounding of the inner die cylinder body is realized; after the concrete pipeline production is completed and solidified, the driving device is rotated again to realize the shrinkage of the inner mould cylinder body during demoulding, so that demoulding is facilitated.
The inner die opening and closing locking mechanism is convenient to manufacture, simple to operate, economical and practical, and can enable the pipe forming seam to be less and no drilling inner die inner operation is needed.
The locking force-increasing mechanism is respectively arranged at the upper part and the lower part of the inner die door plate and the inner die door plate, and comprises a crescent large gear, a pinion fixing seat, a connecting seat, a turning seat and a pulling plate, wherein one end of the pinion fixing seat is fixedly arranged at the inner side of the inner die door plate, the pinion is coaxially fixed on the linkage shaft through a key, the linkage shaft penetrates through the pinion fixing seat, the pinion is positioned in the pinion fixing seat, the linkage shaft is connected with the pinion fixing seat through a pinion limiting cover, and the pinion limiting cover and the key on the linkage shaft perform axial limiting on the pinion; the connecting seat is fixed on the inner side of the inner die door plate, the overturning seat is rotationally connected to the pinion fixing seat through a rotating pin, the crescent large gear is fixed on the same rotating pin connected with the overturning seat, the crescent large gear is meshed with the pinion, and one end of the pulling plate is rotationally connected to one end, far away from the connecting seat, of the overturning seat through a pin shaft; an adjusting pull rod is arranged between the other end of the pull plate and the connecting seat, one end of the adjusting pull rod is fixedly connected with the end part of the pull plate, and the other end of the adjusting pull rod is rotatably connected with the connecting seat through the fixed long shaft.
The working process of the locking force increasing mechanism of the invention is as follows: the pinion is driven to rotate by the rotary linkage shaft, and the inner die door plate and the inner die top door plate are separated or closed by the pinion fixing frame through the mutual matching motion between the pinion and the crescent big gear, so that the inner die is driven to shrink or circle; the inner mold door plate and the inner mold door plate can be effectively opened, closed and locked. The transmission force is amplified by the secondary boosting action of the crescent large gear on the pull plate through the boosting action of the hand wheel on the small gear. When the inner mold door plate and the inner mold door plate are closed, the pin shaft, the rotary pin and the fixed long shaft are in a three-point and one-line state, so that the self-locking of the inner mold door plate and the inner mold door plate is realized.
The adjusting pull rod comprises a positive and negative screw rod, a connecting square and tightening nuts, wherein the end parts of the pull plate and the end parts of the connecting square are respectively provided with an internal threaded hole, the connecting square is rotationally connected in the connecting seat through the fixed long shaft, the two ends of the positive and negative screw rod are respectively in threaded connection with the pull plate and the connecting square, the two tightening nuts are respectively in threaded connection with the positive and negative screw rod, and the tightening nuts are respectively used for locking the pull plate and the connecting square. The distance between the crescent big gear, the pull plate and the connecting seat can be adjusted by adjusting the pull rod, and the rotation radius of the crescent big gear is adjusted.
The inner mold door plate and the inner mold door plate are provided with at least two groups of limiting connecting plate mechanisms, each limiting connecting plate mechanism comprises a fixed moving plate, a connecting pin, a connecting plate and a fixed static plate, the fixed moving plates are welded on the inner side of the inner mold door plate, the fixed static plates are welded on the inner side of the inner mold door plate, the fixed moving plates are connected with the connecting plates through the connecting pins, and the connecting plates are connected with the fixed static plates through the fixed long shafts. The limiting connecting plate mechanism is used for limiting the freedom degrees of the inner mold door plate and the inner mold door plate, so that the inner mold door plate moves according to a set circular track.
The driving device is a hand wheel or an electric spanner or a pneumatic spanner.
Drawings
FIG. 1 is a schematic diagram of a structure of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a perspective view of FIG. 1;
FIG. 4 is a schematic view of a lock-up force mechanism of the present invention;
FIG. 5 is a schematic view of the structure of FIG. 4 in another state;
FIG. 6 is a schematic view of a spacing plate connecting mechanism according to the present invention;
fig. 7 is a state diagram of the use of the present invention.
Description of the embodiments
As shown in fig. 1, 2, 3, 6 and 7, the inner mold opening and closing locking mechanism comprises a linkage shaft 2, a locking reinforcement mechanism 3, a fixed long shaft 4, a limiting connecting plate mechanism 5, an inner mold door plate 6 and an inner mold door plate 7, wherein the inner mold positioning door plate 6 and the inner mold door plate 7 are meshed with each other, and the back surfaces of the inner mold positioning door plate 6 and the inner mold door plate 7 are hinged with each other through the limiting connecting plate mechanism 5; one fixed end of the locking force increasing mechanism 3 is fixed on the back surface of the inner die door plate 7, and the other fixed end of the locking force increasing mechanism 3 is fixed on the back surface of the inner die door plate 6; the fixed long shaft 4 is used as a supporting hinge shaft of the limiting connecting plate mechanism 5 and the locking force-increasing mechanism 3, the linkage shaft 2 is used as a driving shaft of the locking force-increasing mechanism 3, and the top end of the linkage shaft 2 is connected with the hand wheel 1.
As shown in fig. 4 and 5, the locking force-increasing mechanism 3 is respectively arranged at the upper and lower parts of the inner mold door plate 6 and the inner mold door plate 7, the locking force-increasing mechanism 3 comprises a crescent large gear 301, a small gear 303, a small gear fixing seat 302, a connecting seat 312, a turnover seat 305 and a pulling plate 307, one end of the small gear fixing seat 302 is fixed at the inner side of the inner mold door plate 7, the small gear 303 is coaxially fixed on the linkage shaft 2, the linkage shaft 2 passes through the small gear fixing seat 302, and the small gear 303 is positioned in the small gear fixing seat 302; the connecting seat 312 is fixed on the inner side of the inner die fixed door plate 6, the turnover seat 305 is rotationally connected to the pinion fixing seat 302 through the rotating pin 308, the crescent large gear 301 is fixed on the same rotating pin 308 connected with the turnover seat 305, the crescent large gear 301 is meshed with the pinion 303, and one end of the pulling plate 307 is rotationally connected to one end, far away from the connecting seat 312, of the turnover seat 305 through the pin shaft 306; an adjusting pull rod 313 is arranged between the other end of the pull plate 307 and the connecting seat 312, one end of the adjusting pull rod 313 is fixedly connected with the end part of the pull plate 307, and the other end of the adjusting pull rod 313 is rotatably connected with the connecting seat 312 through a fixed long shaft 4.
The adjusting pull rod 313 comprises a positive and negative screw rod 310, a connecting square 311 and tightening nuts 309, the end parts of the pull plate 307 and the end parts of the connecting square 311 are respectively provided with internal threaded holes, the connecting square 311 is rotationally connected in a connecting seat 312 through a fixed long shaft 4, two ends of the positive and negative screw rod 310 are respectively in threaded connection with the pull plate 307 and the connecting square 311, two tightening nuts 309 are respectively in threaded connection with the positive and negative screw rod 310, and the tightening nuts 309 are respectively used for locking the pull plate 307 and the connecting square 311.
As shown in fig. 6, four sets of limiting connecting plates 5 are arranged between the inner mold door plate 6 and the inner mold door plate 7, each limiting connecting plate 5 comprises a fixed moving plate 501, a connecting pin 502, a connecting plate 503 and a fixed static plate 504, the fixed moving plate 501 is welded on the inner side of the inner mold door plate 7, the fixed static plate 504 is welded on the inner side of the inner mold door plate 6, the fixed moving plate 501 is connected with the connecting plate 503 through the connecting pin 502, and the connecting plate 503 is connected with the fixed static plate 504 through the fixed long shaft 4.
Claims (2)
1. The inner mold opening and closing locking mechanism is characterized by comprising a linkage shaft, a locking reinforcement mechanism, a fixed long shaft, a limiting connecting plate mechanism, an inner mold door plate and an inner mold door plate, wherein the inner mold door plate and the inner mold door plate are meshed with each other, and the back surfaces of the inner mold positioning door plate and the inner mold door plate are hinged with each other through the limiting connecting plate mechanism; one fixed end of the locking force increasing mechanism is fixed on the back surface of the inner die moving template, and the other fixed end of the locking force increasing mechanism is fixed on the back surface of the inner die positioning door plate; the fixed long shaft is used as a supporting hinge shaft of the limiting connecting plate mechanism and the locking force-increasing mechanism, the linkage shaft is used as a driving shaft of the locking force-increasing mechanism, and the top end of the linkage shaft is connected with the driving device;
the locking force-increasing mechanism is respectively arranged at the upper part and the lower part of the inner die door plate and the inner die door plate, and comprises a crescent large gear, a pinion fixing seat, a connecting seat, a turning seat and a pulling plate, wherein one end of the pinion fixing seat is fixedly arranged at the inner side of the inner die door plate, the pinion is coaxially fixed on the linkage shaft, the linkage shaft penetrates through the pinion fixing seat, and the pinion is positioned in the pinion fixing seat; the connecting seat is fixed on the inner side of the inner die door plate, the overturning seat is rotationally connected to the pinion fixing seat through a rotating pin, the crescent large gear is fixed on the same rotating pin connected with the overturning seat, the crescent large gear is meshed with the pinion, and one end of the pulling plate is rotationally connected to one end, far away from the connecting seat, of the overturning seat through a pin shaft; an adjusting pull rod is arranged between the other end of the pull plate and the connecting seat, one end of the adjusting pull rod is fixedly connected with the end part of the pull plate, and the other end of the adjusting pull rod is rotatably connected with the connecting seat through the fixed long shaft;
the adjusting pull rod comprises a positive and negative tooth screw rod, a connecting square and tightening nuts, wherein the end parts of the pull plate and the end parts of the connecting square are respectively provided with an internal threaded hole, the connecting square is rotationally connected in the connecting seat through the fixed long shaft, the two ends of the positive and negative tooth screw rod are respectively in threaded connection with the pull plate and the connecting square, the two tightening nuts are respectively in threaded connection with the positive and negative tooth screw rod, and the tightening nuts are respectively locked with the pull plate and the connecting square;
the limiting connecting plate mechanism between the inner die door plate and the inner die door plate comprises a fixed moving plate, a connecting pin, a connecting plate and a fixed static plate, wherein the fixed moving plate is welded on the inner die door plate, the fixed static plate is welded on the inner die fixed door plate, the fixed moving plate is connected with the connecting plate through the connecting pin, and the connecting plate is connected with the fixed static plate through a fixed long shaft.
2. The internal mold opening and closing locking mechanism according to claim 1, wherein the driving means is a hand wheel or an electric wrench or a pneumatic wrench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810412153.5A CN108394017B (en) | 2018-05-03 | 2018-05-03 | Internal mold opening and closing locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810412153.5A CN108394017B (en) | 2018-05-03 | 2018-05-03 | Internal mold opening and closing locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108394017A CN108394017A (en) | 2018-08-14 |
| CN108394017B true CN108394017B (en) | 2024-02-06 |
Family
ID=63100918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810412153.5A Active CN108394017B (en) | 2018-05-03 | 2018-05-03 | Internal mold opening and closing locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108394017B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0796514A (en) * | 1993-09-29 | 1995-04-11 | Techno Kuriito:Kk | Core device of form for producing hollow block |
| JPH0726103U (en) * | 1993-10-20 | 1995-05-16 | 株式会社デルタ工業 | Inner mold expander / contractor for tubular concrete block mold |
| US5744177A (en) * | 1996-06-11 | 1998-04-28 | Lin; Rong-Teng | Injection molding assembly |
| JP3000277B1 (en) * | 1998-10-27 | 2000-01-17 | トヨタ工機株式会社 | Formwork for forming tubular concrete products |
| DE19855572A1 (en) * | 1998-12-02 | 2000-06-21 | Zueblin Ag | Concrete pipe and internal liner manufacturing process, involving power-controlled expansion of inner shell until internal liner exerts characteristic counter-force |
| JP2004017462A (en) * | 2002-06-14 | 2004-01-22 | Moriyama Kogyo Kk | Inner mold for form apparatus and form apparatus |
| CN103056332A (en) * | 2013-02-01 | 2013-04-24 | 河南理工大学 | Circular hole core-pulling device for aluminum alloy pressure casting die |
| CN203636975U (en) * | 2013-12-31 | 2014-06-11 | 江苏华光双顺机械制造有限公司 | Vibration rod locking device for core mold vibration pipemaking machine |
| KR101540916B1 (en) * | 2015-05-06 | 2015-07-31 | 정영환 | Molding apparatus for waterway pipe forming |
| CN205466706U (en) * | 2016-04-12 | 2016-08-17 | 扬州市恒正建材机械厂 | Mobile core stick that shakes is carved from locking -type hydraulic pressure locking mechanism to one side |
| CN106965312A (en) * | 2017-05-16 | 2017-07-21 | 广东中建新型建筑构件有限公司 | A kind of prefabricated pipeline internal model of fast assembling-disassembling |
| CN107498926A (en) * | 2017-09-11 | 2017-12-22 | 魏拉虎 | A kind of outer barrel shape apple paper preparation facilities |
| CN208305363U (en) * | 2018-05-03 | 2019-01-01 | 江苏华光双顺机械制造有限公司 | A kind of internal model opening-closing locking mechanism |
-
2018
- 2018-05-03 CN CN201810412153.5A patent/CN108394017B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0796514A (en) * | 1993-09-29 | 1995-04-11 | Techno Kuriito:Kk | Core device of form for producing hollow block |
| JPH0726103U (en) * | 1993-10-20 | 1995-05-16 | 株式会社デルタ工業 | Inner mold expander / contractor for tubular concrete block mold |
| US5744177A (en) * | 1996-06-11 | 1998-04-28 | Lin; Rong-Teng | Injection molding assembly |
| JP3000277B1 (en) * | 1998-10-27 | 2000-01-17 | トヨタ工機株式会社 | Formwork for forming tubular concrete products |
| DE19855572A1 (en) * | 1998-12-02 | 2000-06-21 | Zueblin Ag | Concrete pipe and internal liner manufacturing process, involving power-controlled expansion of inner shell until internal liner exerts characteristic counter-force |
| JP2004017462A (en) * | 2002-06-14 | 2004-01-22 | Moriyama Kogyo Kk | Inner mold for form apparatus and form apparatus |
| CN103056332A (en) * | 2013-02-01 | 2013-04-24 | 河南理工大学 | Circular hole core-pulling device for aluminum alloy pressure casting die |
| CN203636975U (en) * | 2013-12-31 | 2014-06-11 | 江苏华光双顺机械制造有限公司 | Vibration rod locking device for core mold vibration pipemaking machine |
| KR101540916B1 (en) * | 2015-05-06 | 2015-07-31 | 정영환 | Molding apparatus for waterway pipe forming |
| CN205466706U (en) * | 2016-04-12 | 2016-08-17 | 扬州市恒正建材机械厂 | Mobile core stick that shakes is carved from locking -type hydraulic pressure locking mechanism to one side |
| CN106965312A (en) * | 2017-05-16 | 2017-07-21 | 广东中建新型建筑构件有限公司 | A kind of prefabricated pipeline internal model of fast assembling-disassembling |
| CN107498926A (en) * | 2017-09-11 | 2017-12-22 | 魏拉虎 | A kind of outer barrel shape apple paper preparation facilities |
| CN208305363U (en) * | 2018-05-03 | 2019-01-01 | 江苏华光双顺机械制造有限公司 | A kind of internal model opening-closing locking mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108394017A (en) | 2018-08-14 |
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