CN108908686B - Internal mold locking device and locking method for concrete prefabricated round pipe - Google Patents
Internal mold locking device and locking method for concrete prefabricated round pipe Download PDFInfo
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- CN108908686B CN108908686B CN201810823358.2A CN201810823358A CN108908686B CN 108908686 B CN108908686 B CN 108908686B CN 201810823358 A CN201810823358 A CN 201810823358A CN 108908686 B CN108908686 B CN 108908686B
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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
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
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- Moulds, Cores, Or Mandrels (AREA)
- Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
Abstract
The invention discloses a concrete prefabricated round tube inner mold locking device in the field of concrete processing, which comprises an inner mold barrel formed by curling a plate, wherein two ends of the plate are closed together to form a mold closing line, a support rod assembly for expanding the inner mold barrel and retracting the inner mold barrel is arranged in the inner mold barrel, a locking device is arranged on the inner wall of the inner mold barrel at the position of the mold closing line, the tightening device comprises a limiting seat fixed on the inner wall at one end of the plate, a hinge support fixed on the inner wall at the other end of the plate and a driving air cylinder hinged on the inner wall of the plate, a joint support is hinged on the hinge support, the other end of the joint support is hinged with a piston rod of the driving air cylinder, and a support rod matched with the limiting seat is hinged on the joint support at a position close to the hinge support joint, can be used in the production of concrete round pipes.
Description
Technical Field
The invention relates to a concrete prefabricated mould, in particular to a concrete prefabricated internal mould.
Background
The die sinking action process of the concrete precast circular tube production die in production and use is as follows: loosening the inner mold locking mechanism and contracting the inner mold; the mold closing action process is as follows: and opening the inner die and locking the inner die locking mechanism. That is, before and after the die is opened and closed, the inner die needs to be loosened or locked, the existing locking mechanism adopts a support and a top block matched with bolts, the support is welded on a wedge block on one side of the die closing of the inner die, the bolts are installed in screw holes of the support, the top block is welded on a wedge block on the other side of the die closing of the inner die, and one set of the top block is distributed on the same cylindrical bus of the inner die every 200-300 mm. In operation, a worker is required to climb into the inner mold, back to the large-torque impact wrench, and unscrew or tighten dozens of bolts one by one to realize locking or loosening of the mold. There are mainly four problems here:
firstly, the labor intensity is high, the labor efficiency is low, workers need to climb into the internal mold with the depth of several meters, and the impact wrench needs to be operated;
secondly, the utilization efficiency of equipment is low, steam curing is carried out after pouring in the process, the temperature reaches about 80 ℃, a period of time is required to wait, workers can enter the die to carry out die opening operation, the operation difficulty is high, and the workload is also high;
thirdly, under the condition of low safety, even if a period of time for cooling is waited before mold opening, the cooling speed in the mold is very low due to the semi-closed space in the mold, so that a common worker still needs to be subjected to a high temperature of 50-60 ℃ when entering the mold for operation, more importantly, the worker needs to hold a very hot ladder for impact wrench operation, which is aerial operation, and the hidden trouble of falling due to errors exists during operation;
fourthly, the working environment condition is severe, workers work in a high-temperature and non-ventilated environment at 50-60 ℃, and the workers are painful and not beneficial to physical and psychological health.
The utility model discloses an centre form barrel vaulting pole subassembly among the prior art, including the center pin, the periphery of center pin is provided with multiunit link assembly along its axial, and link assembly includes the articulated epaxial connecting rod in center of many one ends, and the other end of connecting rod articulates on the inner wall of centre form barrel, reciprocates through control center pin and realizes strutting and the withdrawal of connecting rod.
Disclosure of Invention
The invention aims to provide a locking device for an inner die of a concrete prefabricated round tube, so that the inner die is locked more conveniently, safely and reliably, and the production efficiency of the round tube is improved.
The purpose of the invention is realized as follows: a locking device and a locking method for an inner die of a concrete prefabricated round tube are disclosed, wherein the locking device comprises an inner die barrel formed by curling a plate, two ends of the plate are closed together to form a die assembly line, a support rod assembly for opening and retracting the inner die barrel is arranged in the inner die barrel, the locking device is arranged on the inner wall of the inner die barrel at the die assembly line, the tightening device comprises a limiting seat fixed on the inner wall of one end of the plate, a hinge support fixed on the inner wall of the other end of the plate and a driving air cylinder hinged on the inner wall of the plate, a joint support is hinged on the hinge support, the other end of the joint support is hinged with a piston rod of the driving air cylinder, and a support rod matched with the limiting seat is hinged on the joint support at;
the locking method comprises the following steps: the supporting rod is manually adjusted to swing beside the supporting seat, the air cylinder is introduced into a working air source, the air cylinder pushes the joint support, the joint support rotates around the hinge support, the supporting rod hinged on the joint support is pushed into the limiting seat, and the locking of the joint of the plates is completed.
Compared with the prior art, the internal mold cylinder locking device has the advantages that by using the internal mold cylinder locking device to lock the internal mold cylinder, workers do not need to climb into a mold and open or screw dozens of bolts one by one, so that the labor intensity is reduced, the operation time is saved, and the labor efficiency is improved; when the steam curing process effect is achieved, the mold opening operation can be immediately carried out without waiting for the temperature, so that the utilization efficiency of equipment is improved; the process of climbing a high-temperature ladder is omitted, the dangerous operation mode that one hand holds the high-temperature ladder and the other hand operates the large-torque impact wrench is omitted, and the safety of the operation process is greatly improved; and also improves the labor conditions. The invention can be used in the production of concrete round pipes.
In order to ensure that the locking is more convenient and reliable, the limiting seat, the hinge support, the joint support and the supporting rod are provided with a plurality of groups, wherein the joint support is connected with one end, hinged to the piston rod of the driving cylinder, of the driving cylinder in series through a first series shaft, and the piston rod of the driving cylinder is hinged to the first series shaft.
In order to enable the power transmission of the air cylinder to be more reliable, the joint support comprises an L-shaped support plate, a serial connection part is arranged at one outer side end of the support plate, a serial connection hole which is serially connected through a first serial connection shaft is formed in the serial connection part, a hinged part is arranged at the other outer side of the support plate, a first hinged hole and a second hinged hole are formed in the hinged part, the second hinged hole is located between the first hinged hole and the serial connection hole, the first hinged hole is hinged to the hinge support, and the second hinged hole is hinged to the support rod. The joint support with the structure ensures that the power of the driving air cylinder is stably transmitted to the support rod so as to ensure the stable work of the support rod, and the serial connection part and the hinge part are arranged on the outer side of the support plate, so that the driving air cylinder is stressed more uniformly during power transmission, and the working reliability of the invention is ensured.
In order to enhance the strength of the support plate, a reinforcing rib plate is arranged on the inner side of the support plate.
In order to make the unlocking and locking operations more convenient and safer, the lateral parts of the supporting rods are provided with bosses, through holes are formed in the bosses, and second serial shafts which connect the supporting rods in series are arranged in the through holes in a penetrating mode. During operation, the position of the supporting rod can be adjusted only by controlling the action of the second serial shaft.
In order to enable the supporting seat to be locked and separated from the limiting seat more conveniently, an arc-shaped groove is processed on the limiting seat, and a roller is arranged at the end part of the supporting rod matched with the limiting seat. The running roller structure is furnished with arc groove structure and is made breaking away from of bracing piece more convenient.
In order to make the demoulding more convenient, the two ends of the plate are respectively fixed with an inner wedge block and an outer wedge block, the limiting seat is fixed on the inner wall of the inner wedge block, the hinge support is fixed on the inner wall of the outer wedge block, and the hinge point of the driving cylinder and the inner die cylinder body is positioned on the inner wall of the inner die cylinder body close to one side of the outer wedge block.
In order to ensure that the locking is more reliable, the driving cylinder is parallel to the supporting rod in phase when in a locking state. The structure that is parallel to each other makes each position atress can offset each other when locking, can not lead to driving actuating cylinder, joint support and bracing piece to take place to deflect because of the atress is uneven to influence locking.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of the locking state of the present invention.
Fig. 3 is a schematic view of the unlocking state of the present invention.
Fig. 4 is a schematic view of the locking device assembly of the present invention.
Fig. 5 is a schematic structural view of the joint support of the present invention.
Fig. 6 is a schematic view of a part of the locking device of the present invention.
Fig. 7 is a schematic view of a part of the locking device of the present invention.
The device comprises an inner die cylinder body 1, an inner wedge block 101, an outer wedge block 102, a locking device 2, a driving cylinder 201, a 202 limiting seat, a 203 supporting rod, a 203a roller wheel, a 203b boss, a 203c through hole, a 204 hinge support, a 205 joint support, a 205a supporting plate, a 205b serial part, a 205c serial hole, a 205d hinged part, a 205e first hinged hole, a 205f second hinged hole, a 205g reinforcing rib plate, a 206 second serial shaft, a 207 first serial shaft and a 3 supporting rod assembly.
Detailed Description
As shown in fig. 1-7, the inner mold locking device for a concrete prefabricated round tube comprises an inner mold cylinder 1 formed by curling a plate, wherein an inner wedge 101 and an outer wedge 102 are respectively fixed at two ends of the plate, the inner wedge 101 and the outer wedge 102 are closed together to form a mold clamping line, a brace rod assembly 3 for opening the inner mold cylinder 1 and retracting the inner mold cylinder 1 is arranged inside the inner mold cylinder 1, a locking device is installed on the inner wall of the inner mold cylinder 1 at the mold clamping line, a tightening device 2 comprises a limiting seat 202 fixed on the inner wall of the inner wedge 101 and a hinge support 204 fixed on the inner wall of the outer wedge 102, a hinge point of a driving cylinder 201 and the inner mold cylinder 1 is located on the inner wall of the inner mold cylinder 1 near one side of the outer wedge 102, a joint support 205 is hinged on the hinge support 204, the other end of the joint support 205 is hinged with a piston rod of the driving cylinder 201, a support 203 matched with the limiting seat 202 is hinged on, an arc-shaped groove is processed on the limiting seat 202, the end part of the supporting rod 203 matched with the limiting seat 202 is provided with a roller 203a, the joint support 205, the driving cylinder 201 and the supporting rod 203 form a connecting rod transmission mechanism, the limiting seat 202, the hinge support 204, the joint support 205 and the supporting rod 203 are provided with a plurality of groups, wherein the joint support 205 is connected in series through a first series shaft 207, the piston rod of the driving cylinder 201 is hinged on the first series shaft 207, the side part of the supporting rod 203 is provided with a boss 203b, the boss 203b is provided with a through hole 203c, a second series shaft 206 for connecting the supporting rods 203 in series is arranged in the through hole 203c in a penetrating way, the joint support 205 comprises an L-shaped supporting plate 205a, one outer side end part of the supporting plate 205a is provided with a series part 205b, the series part 205b is provided with a series hole 205c connected in series through the first series shaft 207, the hinge portion 205d is provided with a first hinge hole 205e and a second hinge hole 205f, the second hinge hole 205f is located between the phase of the first hinge hole 205e and the phase of the serial hole 205c, the first hinge hole 205e is hinged to the hinge support 204, the second hinge hole 205f is hinged to the support rod 203, the inner side of the support plate 205a is provided with a reinforcing rib plate 205g, and when the support plate is in a locking state, the driving cylinder 201 is parallel to the phase of the support rod 203.
A method for locking an inner mold of a concrete prefabricated round tube comprises the following steps that during mold closing, a supporting rod component 3 is used for supporting an inner mold tube body 1 to enable an inner wedge block 101 and an outer wedge block 102 to be matched and lapped together, a joint line is formed at the joint of the inner wedge block 101 and the outer wedge block, at the moment, a second serial shaft 206 can be pulled manually to enable a supporting rod 203 connected in series on the second serial shaft 206 to swing to the position close to the inner wedge block 101, an air source is introduced into a driving air cylinder 201 to enable the driving air cylinder 201 to act, an air cylinder piston rod pushes a joint support 205 connected in series on the first serial shaft 207 to rotate around a hinge support 204 through the first serial shaft 207, and accordingly, a roller on the supporting rod 203 hinged on the joint support 205 is pushed; when the die is closed, the reverse operation is carried out.
The structural design of the joint support 205 converts the action of the piston rod of the driving cylinder 201 into the telescopic action of the support rod 203, so that the locking of the invention is conveniently realized, the invention ensures that the mould can keep the inner mould cylinder 1 not to deform even if the support rod component 3 contracts due to misoperation, and ensures the reliability of the mould during working.
The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.
Claims (7)
1. A locking device for an inner die of a concrete prefabricated round tube comprises an inner die barrel formed by curling a plate, wherein two ends of the plate are closed together to form a die assembly line, a supporting rod assembly for opening the inner die barrel and retracting the inner die barrel is arranged in the inner die barrel, and the locking device is arranged on the inner wall of the inner die barrel at the die assembly line position and comprises a limiting seat fixed on the inner wall of one end of the plate, a hinge support fixed on the inner wall of the other end of the plate and a driving air cylinder hinged on the inner wall of the plate, a joint support is hinged on the hinge support, the other end of the joint support is hinged with a piston rod of the driving air cylinder, a supporting rod matched with the limiting seat is hinged on the joint support at a position close to the hinge joint of the hinge support, and a plurality of groups are arranged on, the joint support is connected with one end, hinged to a piston rod of the driving air cylinder, of the driving air cylinder in series through a first series shaft, the piston rod of the driving air cylinder is hinged to the first series shaft, the joint support comprises an L-shaped supporting plate, a series portion is arranged at the end of one outer side of the supporting plate, a series hole connected in series through the first series shaft is formed in the series portion, a hinged portion is arranged on the other outer side of the supporting plate, a first hinged hole and a second hinged hole are formed in the hinged portion, the second hinged hole is located between the first hinged hole and the series hole in position, the first hinged hole is hinged to the hinge support, and the second hinged hole is hinged to the supporting rod.
2. The internal mold locking device for the concrete precast circular tube according to claim 1, wherein a reinforcing rib plate is arranged on the inner side of the supporting plate.
3. The locking device for the inner mold of the concrete precast circular tube as claimed in claim 1, wherein the side of the support rod is provided with a boss, the boss is provided with a through hole, and a second serial shaft for connecting the plurality of support rods in series is arranged in the through hole in a penetrating manner.
4. The internal mold locking device for the concrete precast circular tube according to any one of claims 1 to 3, wherein an arc-shaped groove is processed on the limiting seat, and a roller is arranged at the end of the support rod, which is matched with the limiting seat.
5. The locking device for the inner die of the concrete precast circular tube according to any one of claims 1 to 3, wherein the inner wedge block and the outer wedge block are fixed at both ends of the plate respectively, the limiting seat is fixed on the inner wall of the inner wedge block, the hinge support is fixed on the inner wall of the outer wedge block, and the hinge point of the driving cylinder and the inner die cylinder body is located on the inner wall of the inner die cylinder body on the side close to the outer wedge block.
6. The internal mold locking device for the concrete precast circular tube according to any one of claims 1 to 3, wherein the driving cylinder is parallel to the supporting rod in phase when in a locking state.
7. A method for locking the inner mould of precast concrete circular tube features that the locking unit of the inner mould of precast concrete circular tube as claimed in any one of claims 1-6 is used to manually regulate the supporting rod to swing to the side of supporting seat, and then the cylinder is connected to working air source to make it push the joint supporter, which rotates around the hinge seat to push the supporting rod hinged to the joint supporter into the limiting seat, so completing the locking of plate joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810823358.2A CN108908686B (en) | 2018-07-25 | 2018-07-25 | Internal mold locking device and locking method for concrete prefabricated round pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810823358.2A CN108908686B (en) | 2018-07-25 | 2018-07-25 | Internal mold locking device and locking method for concrete prefabricated round pipe |
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| Publication Number | Publication Date |
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| CN108908686A CN108908686A (en) | 2018-11-30 |
| CN108908686B true CN108908686B (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810823358.2A Active CN108908686B (en) | 2018-07-25 | 2018-07-25 | Internal mold locking device and locking method for concrete prefabricated round pipe |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4153232A (en) * | 1977-11-28 | 1979-05-08 | C.S. Johnson Company | Apparatus for actuating inner and outer forms of a concrete pipe forming mold |
| CN106182397B (en) * | 2014-01-02 | 2018-05-25 | 江山锐意科技服务有限公司 | A kind of flue forming machine |
| CN104191519B (en) * | 2014-08-27 | 2016-08-17 | 江苏江扬建材机械有限公司 | The interior mould of a kind of small-bore PCCP pipe vertical machining device and processing method thereof |
| CN104647585A (en) * | 2015-02-11 | 2015-05-27 | 江苏邦威机械制造有限公司 | Vibrating steel mould for PCCP (Pre-stressed Concrete Cylinder Pipe) |
| CN206678167U (en) * | 2017-04-24 | 2017-11-28 | 江苏江扬建材机械有限公司 | Vertical external mold for pipe of concrete shaping |
| CN107322784A (en) * | 2017-06-28 | 2017-11-07 | 江苏和天下建筑科技研究院有限公司 | Concrete prefabricated pipe external mold folding, locking device and its folding, locking method |
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2018
- 2018-07-25 CN CN201810823358.2A patent/CN108908686B/en active Active
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Effective date of registration: 20200903 Address after: 225000 Wuqiao Town Industrial Park, Jiangdu District, Yangzhou, Jiangsu Applicant after: JIANGSU SEPC BUILDING MATERIALS EQUIPMENT Co.,Ltd. Address before: 225000 Bai Xiang Garden, Bai Xiang Road, Hanjiang District, Yangzhou, Jiangsu 9-303 Applicant before: Shen Danping |
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