CN114289222A - Pipe fitting cement inside lining spraying equipment - Google Patents
Pipe fitting cement inside lining spraying equipment Download PDFInfo
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- CN114289222A CN114289222A CN202111654725.9A CN202111654725A CN114289222A CN 114289222 A CN114289222 A CN 114289222A CN 202111654725 A CN202111654725 A CN 202111654725A CN 114289222 A CN114289222 A CN 114289222A
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Abstract
The invention discloses a pipe cement lining spraying device, which is characterized in that: the cement conveying device comprises a conveying mechanism arranged below a hopper, wherein a screw pump is arranged at the front end of the conveying mechanism, and cement is conveyed to a rotary spray head through a material pipe under the action of the screw pump and is sprayed out by the rotary spray head in a rotating mode. The cement lining spraying equipment disclosed by the invention is simple in structure, is convenient for lining coating in a pipe fitting, improves the coating efficiency, and has stronger practicability and better application prospect.
Description
Technical Field
The invention belongs to the technical field of pipe fittings, and particularly relates to a pipe fitting cement lining spraying device.
Background
Because the specifications and varieties of the ductile cast iron pipe fittings are various, the mechanical coating is not easy to realize, and most of professional pipe fitting manufacturers at home and abroad adopt the traditional process of manually coating the cement mortar lining for a long time. The manual coating of the cement mortar lining is that the cement mortar is manually stirred and prepared according to the technological requirements, and the cement mortar is manually and uniformly coated on the inner wall of the nodular cast iron pipe fitting by adopting a dry cement lining method. The mode needs more operators, lower working efficiency and large quality fluctuation.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a pipe cement lining spraying device which is simple in structure, facilitates lining coating in a pipe and improves coating efficiency.
In order to achieve the purpose, the invention adopts the technical scheme that: the pipe cement lining spraying equipment is characterized in that: the cement conveying device comprises a conveying mechanism arranged below a hopper, wherein a screw pump is arranged at the front end of the conveying mechanism, and cement is conveyed to a rotary spray head through a material pipe under the action of the screw pump and is sprayed out by the rotary spray head in a rotating mode.
In order to make the technical scheme more detailed and concrete, the invention also provides the following further preferable technical scheme to obtain satisfactory practical effect:
the material conveying mechanism comprises a spiral material guide device arranged in the hopper.
The rear end of the spiral material guide is connected with a variable frequency motor, and the front end of the spiral material guide is connected with the screw pump.
The material pipe comprises a soft material pipe connected to the screw pump and a straight material pipe connected between the soft material pipe and the rotary spray head.
A sand mixing barrel is arranged above the hopper.
The rotary sprayer comprises a material conveying pipe connected with a material pipe, the front end of the material conveying pipe is connected with a rotatable rotating head, and a plurality of discharging gaps are formed in the rotating head.
The rotating head is connected with a rotor which drives the rotating head to rotate, and the rotor is rotatably sleeved on the material conveying pipe; the rotor is provided with a plurality of blades.
The rotor is provided with a shell outside, the shell is provided with an air inlet and an air outlet, and two ends of the rotor are supported and connected on the shell through bearings.
The rotor is characterized in that an eccentric pipe covering the outer side of the rotor is arranged in the shell, and an air passage communicated with the inner cavity of the shell is formed in the eccentric pipe.
The two ends of the shell are respectively provided with a gland, and the air inlet and the air outlet are arranged on the gland on one side; the feeding end of the conveying pipe is provided with a connecting joint connected with the material pipe, and the port of the discharging end is inwards contracted.
Compared with the prior art, the invention has the following advantages: the cement lining spraying equipment disclosed by the invention is simple in structure, is convenient for lining coating in a pipe fitting, improves the coating efficiency, and has stronger practicability and better application prospect.
Drawings
The contents of the drawings and the reference numerals in the drawings of the present specification will be briefly described as follows:
FIG. 1 is a schematic structural view of a cement lining spraying device for pipes according to the present invention;
FIG. 2 is a schematic view of a rotary sprayer according to the present invention.
Labeled as: 1. the device comprises a sand mixing barrel, a hopper, a spiral material guide device, a screw pump, a soft material pipe, a straight material pipe, a rotary spray head, a variable frequency motor, a hopper, a spiral material guide device, a screw pump, a soft material pipe, a straight material pipe and a rotary spray head, wherein the spiral material guide device is arranged on the sand mixing barrel;
10. the device comprises a connecting joint, 20, a rotating head, 30, a rotor, 40, a conveying pipeline, 50, a first gland, 60, a second gland, 70, an air inlet, 80, an air outlet, 90, a shell, 100, an eccentric pipe, 101, a first air channel, 102, a second air channel, 110, a blade, 120, a second bearing, 130, a bearing seat, 140 and a first bearing.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The spraying equipment for the cement lining of the pipe fitting comprises a material conveying mechanism arranged below a hopper 2, wherein a screw pump 4 is arranged at the front end of the material conveying mechanism, and cement is conveyed to a rotary spray head 7 through a material pipe under the action of the screw pump and is sprayed out in a rotating mode through the rotary spray head 7, as shown in figure 1. This pipe fitting cement inside lining spraying equipment can realize autoloading and rotatory spraying, and mechanized inside lining cement that carries on that can be quick coats, improves coating efficiency.
In the invention, the material conveying mechanism comprises a spiral material guide 3 arranged in a hopper 2. The rear end of the spiral material guide 3 is connected with a variable frequency motor 8, and the front end is connected with a screw pump 4. The cement material falls into the hopper box body from the hopper opening at the upper part, and the variable frequency motor 8 is started to drive the spiral material guide 3 to rotate. Stirring and conveying the cement materials, and conveying the cement materials to a front-end rotating spray head 7 from a material pipe under the action of a front-end screw pump 4
In the invention, the material pipe comprises a soft material pipe 5 connected with a screw pump 4 and a straight material pipe 6 connected between the soft material pipe 5 and a rotary spray head 7. The soft material pipe 5 is a rubber pipe, so that the control direction can be conveniently adjusted, and the straight material pipe 6 is a steel pipe, so that the control and the connection are convenient.
In the invention, a sand mixing barrel 1 is arranged above a hopper 2. Mix in the sand mixing barrel 1 cement material stirring and mix in the back direct hopper 2 by the bin outlet of below, need not to transport again, convenient and fast improves efficiency.
In the present invention, as shown in fig. 2, the rotary nozzle 7 comprises a material conveying pipe 40 connected to the material pipe, a rotary head 20 is connected to the front end of the material conveying pipe 40, and a plurality of discharge gaps are provided on the rotary head 20. The rotating head 20 is connected with a rotor 30 which drives the rotating head to rotate, and the rotor 30 is rotatably sleeved on a material conveying pipe 40; the rotor 30 is provided with a plurality of blades 110. The rotor 30 is externally provided with a casing 90, the casing 90 is provided with an air inlet 70 and an air outlet 80, and two ends of the rotor 30 are supported and connected to the casing 90 through bearings. An eccentric pipe 100 covering the outer side of the rotor 30 is arranged in the shell 90, and an air passage communicated with the inner cavity of the shell 90 is arranged on the eccentric pipe 100. The two ends of the shell 90 are respectively provided with a gland, and the air inlet 70 and the air outlet 80 are arranged on a side gland; the feeding end of the material conveying pipe 40 is provided with a connecting joint 10 connected with the material pipe, and the port of the discharging end is contracted inwards.
The rotary nozzle of the invention, as shown in fig. 1, comprises a material conveying pipe 40, wherein the front end of the material conveying pipe 40 is connected with a rotatable rotary head 20, and a plurality of discharging gaps are arranged on the rotary head 20; the eccentric pipe 100 is sleeved on the delivery pipe 40, and an air passage is arranged on the eccentric pipe 100 and comprises a first air passage 101 and a second air passage 102 on the outer wall of the eccentric pipe 100. The first air passage 101 is a circular air passage, the second air passage 102 is a long air passage, and the circular air passage is an air inlet air passage and pushes movable blades thrown out by centrifugal force to drive the rotating head 20 to rotate; the long air passage is an air outlet air passage and pushes the running air to be discharged, so that the integral operation of the equipment is ensured. Air enters through the air passage and the rotary head 20 is rotated by the pneumatic action of the eccentric pipe 100. According to the rotary nozzle, cement materials enter through the conveying pipe 40 (can be conveyed forwards under the pushing of external power, such as can be conveyed through a pipeline connection conveying pump), air flow enters the eccentric pipe 100 through the air channel, the eccentric pipe 100, the conveying pipe 40 and the center of the section of the rotary head 20 are in an eccentric circle structure, the rotary head 20 is pushed to rotate under the action of the eccentric air flow, and the internal cement materials are sprayed out in an outward scattering mode under the action of a rotating centrifugal force and are uniformly coated. The rotary nozzle is simple in structure and arrangement, pneumatically pushes the rotary nozzle to rotate, and is good in practicability.
In the present invention, the rotor 30 is disposed between the feed pipe 40 and the eccentric pipe 100 on the feed pipe 40, and one end of the rotary head 20 is connected to the rotor 30. The rotor head 20 may be designed with detachable connectors at the ends of the rotor 30 to facilitate removal and maintenance of the rotor head 20. The rotor 30 is disposed in the eccentric pipe 100, and is pneumatically driven to rotate the rotor disposed on the feeding pipe 40, thereby driving the rotary head 20 to rotate. In the present invention, the rotor 30 is provided with the blades 110 arranged in parallel with the rotation axis of the rotor, and the outer wall surface of the rotor 30 is provided with a plurality of blades 110 arranged at intervals. The external air source is connected, and blows in through the eccentric pipe 100 to act on the blade 110, which helps to drive the rotor 30 to rotate smoothly, and better drives the rotating head 20.
In the present invention, the outer casing 90 is provided outside the eccentric pipe 100 to protect the internal structure. The housing 90 is provided with an air inlet 70 and an air outlet 80. An external air source is introduced into the housing 90 through the air inlet and enters the eccentric pipe 100 through the air passage on the eccentric pipe 100, and the blades 110 drive the rotor to rotate under the action of the pneumatic driving force, so as to drive the rotary head 20 to rotate. The two ends of the shell 90 are respectively provided with a gland, including a first gland 50 and a second gland 60, which is convenient for production, manufacture and installation; the air inlet 70 and the air outlet 80 are arranged on a side gland to form an air source inlet and outlet loop.
In the present invention, the rotor 30 is provided with bearings at both ends thereof, including a first bearing 140 and a second bearing 120, and the bearings are supported and connected to the housing 90 through a bearing seat 130.
In the invention, the feed end of the feed delivery pipe 40 is provided with a connecting joint 10 which is connected with a conveying device, the conveying device feeds materials into the feed delivery pipe 40, and then the rotating head is driven to rotate by pneumatics, thus realizing uniform coating. The discharge end of the feed delivery pipe 40 is retracted inwardly, as shown in fig. 1, to correspondingly increase the cement ejection force and achieve uniform and effective coating.
In the invention, the discharge gap on the rotating head 20 is arranged in parallel with the rotating shaft of the rotating head 20, the discharge gap extends from the length direction of the rotating head, a plurality of discharge gaps are arranged on the wall surface of the rotating head at even intervals, cement can be centrifugally thrown out along the discharge gaps, thereby being beneficial to even and smooth discharge, and the cement can be uniformly coated on the inner wall of the nodular cast iron pipe fitting.
The cement lining spraying equipment disclosed by the invention adopts a mechanical spraying mode, so that mechanical lining cement coating can be rapidly carried out; compared with the original manual lining coating process, the coating efficiency of the lining of the nodular cast iron pipe fitting is improved by more than 50% by using mechanical lining cement spraying equipment; meanwhile, the requirement of the post on the skill of the personnel is reduced, and the labor intensity of workers is reduced. The equipment is from taking the cement mortar agitator, directly gets into the hopper through stirring back, directly gets into the pump body through the hopper, has reduced the back and forth movement of personnel in-process cement mortar and has transported work.
According to the invention, cement, sand and water are uniformly stirred according to a proportion through a sand mixing barrel 1, after the stirring is completed, a discharge switch is opened, slurry is transferred into a hopper 2, materials in the hopper 2 are conveyed into a screw pump 4 through a spiral material guide 3, the screw pump 4 conveys cement mortar into a material pipe through pressurization, until the cement mortar reaches a rotary spray head 7, the rotary spray head 7 can spin at a high speed, the cement mortar is thrown out through centrifugal force, and the cement mortar is uniformly coated on the inner wall of the nodular cast iron pipe fitting. The amount of conveying cement mortar can be adjusted by the variable frequency motor 8.
The cement lining spraying equipment disclosed by the invention is simple in structure, is convenient for lining coating in a pipe fitting, improves the coating efficiency, and has stronger practicability and better application prospect.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention has been described above with reference to the accompanying drawings, but the invention is not limited to the above-described embodiments, and it is within the scope of the invention to use various insubstantial modifications of the inventive concept and solutions or to apply them directly to other applications.
Claims (10)
1. The utility model provides a pipe fitting cement inside lining spraying equipment which characterized in that: the cement conveying device comprises a conveying mechanism arranged below a hopper, wherein a screw pump is arranged at the front end of the conveying mechanism, and cement is conveyed to a rotary spray head through a material pipe under the action of the screw pump and is sprayed out by the rotary spray head in a rotating mode.
2. The apparatus of claim 1 wherein: the material conveying mechanism comprises a spiral material guide device arranged in the hopper.
3. The apparatus of claim 2 wherein: the rear end of the spiral material guide is connected with a variable frequency motor, and the front end of the spiral material guide is connected with the screw pump.
4. The apparatus of claim 1 wherein: the material pipe comprises a soft material pipe connected to the screw pump and a straight material pipe connected between the soft material pipe and the rotary spray head.
5. The apparatus of claim 1 wherein: a sand mixing barrel is arranged above the hopper.
6. The pipe cement lining spray apparatus of any one of claims 1 to 5 wherein: the rotary sprayer comprises a material conveying pipe connected with a material pipe, the front end of the material conveying pipe is connected with a rotatable rotating head, and a plurality of discharging gaps are formed in the rotating head.
7. The apparatus of claim 6 wherein: the rotating head is connected with a rotor which drives the rotating head to rotate, and the rotor is rotatably sleeved on the material conveying pipe; the rotor is provided with a plurality of blades.
8. The apparatus of claim 7 wherein: the rotor is provided with a shell outside, the shell is provided with an air inlet and an air outlet, and two ends of the rotor are supported and connected on the shell through bearings.
9. The apparatus of claim 8 wherein: the rotor is characterized in that an eccentric pipe covering the outer side of the rotor is arranged in the shell, and an air passage communicated with the inner cavity of the shell is formed in the eccentric pipe.
10. The apparatus of claim 9 wherein: the two ends of the shell are respectively provided with a gland, and the air inlet and the air outlet are arranged on the gland on one side; the feeding end of the conveying pipe is provided with a connecting joint connected with the material pipe, and the port of the discharging end is inwards contracted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111654725.9A CN114289222A (en) | 2021-12-30 | 2021-12-30 | Pipe fitting cement inside lining spraying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111654725.9A CN114289222A (en) | 2021-12-30 | 2021-12-30 | Pipe fitting cement inside lining spraying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114289222A true CN114289222A (en) | 2022-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111654725.9A Pending CN114289222A (en) | 2021-12-30 | 2021-12-30 | Pipe fitting cement inside lining spraying equipment |
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| CN (1) | CN114289222A (en) |
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| CN202527304U (en) * | 2012-04-26 | 2012-11-14 | 成都赛乐化新机电有限公司 | Pneumatic rotating spray head |
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2021
- 2021-12-30 CN CN202111654725.9A patent/CN114289222A/en active Pending
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| CN210449645U (en) * | 2019-08-28 | 2020-05-05 | 山东国能实业有限公司 | Epoxy coating composite steel pipe internal spraying device |
| CN110985130A (en) * | 2019-12-19 | 2020-04-10 | 江苏三蜂机器人有限公司 | Pneumatic motor with rotating speed metering |
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| CN111894507A (en) * | 2020-07-14 | 2020-11-06 | 中钢集团西安重机有限公司 | Radial rapping method |
| CN112756156A (en) * | 2020-12-28 | 2021-05-07 | 哈尔滨市阿城区兴盛腻子粉厂 | Intraductal spraying device suitable for return bend |
| CN214462246U (en) * | 2021-02-03 | 2021-10-22 | 江苏常有建设工程有限公司 | Liftable formula building wall mortar flush coater |
| CN215054979U (en) * | 2021-03-08 | 2021-12-07 | 河北宇阳泽丽防水材料有限公司 | Polymer cement mortar sand blasting slurry machine |
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