CN220683704U - Plastic-coated steel pipe conveying mechanism - Google Patents
Plastic-coated steel pipe conveying mechanism Download PDFInfo
- Publication number
- CN220683704U CN220683704U CN202321770110.7U CN202321770110U CN220683704U CN 220683704 U CN220683704 U CN 220683704U CN 202321770110 U CN202321770110 U CN 202321770110U CN 220683704 U CN220683704 U CN 220683704U
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- China
- Prior art keywords
- steel pipe
- chain
- coated steel
- supporting
- conveying mechanism
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 85
- 239000010959 steel Substances 0.000 title claims abstract description 85
- 239000004033 plastic Substances 0.000 title claims abstract description 51
- 230000007246 mechanism Effects 0.000 title claims abstract description 24
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 20
- 238000001035 drying Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000000712 assembly Effects 0.000 description 9
- 238000000429 assembly Methods 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- 230000009471 action Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000007602 hot air drying Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Drying Of Solid Materials (AREA)
- Coating Apparatus (AREA)
Abstract
The utility model relates to the technical field of plastic-coated steel pipe conveying, in particular to a plastic-coated steel pipe conveying mechanism which comprises a frame, two groups of chain transmission components and a servo motor, wherein the two groups of chain transmission components are symmetrically arranged on the frame front and back, the servo motor drives the two groups of chain transmission components to synchronously operate, the chain transmission components comprise a driving sprocket, a driven sprocket and chains which are annularly wound on the driving sprocket and the driven sprocket in a runway shape, the driving sprocket and the driven sprocket are arranged at left and right intervals and are rotationally connected with the frame, a bearing device is arranged on the chains at equal intervals, the bearing device comprises a pair of bearing rollers which are arranged at intervals along the chains, are rotationally connected with the chains and are used for bearing the outer sides of steel pipes, and the frame is provided with a supporting part which is positioned in a chain enclosing space and is used for propping against the lower ends of the bearing rollers which are provided with the steel pipes so as to drive the bearing rollers to rotate. By implementing the utility model, the steel pipe can move and rotate while moving in the process of moving horizontally through the drying furnace, and the drying quality of the plastic-coated steel pipe is improved.
Description
Technical Field
The utility model relates to the technical field of plastic-coated steel pipe conveying, in particular to a plastic-coated steel pipe conveying mechanism.
Background
The plastic-coated steel pipe, also called plastic-coated pipe, steel-plastic composite pipe and plastic-coated composite steel pipe, is characterized by that it uses steel pipe as base body, and adopts the processes of spraying, rolling, soaking and sucking to weld a layer of plastic anticorrosive layer on the inner surface of steel pipe or weld the steel-plastic composite steel pipe with plastic anticorrosive layer on the inner surface and outer surface. The steel pipe is processed into the plastic-coated steel pipe through the plastic-coated process, the plastic-coated steel pipe is also required to be dried through a hot air drying furnace, a conveying device in the prior art generally comprises a frame, two groups of chain transmission components which are arranged on the frame in a front-back symmetrical mode and a servo motor which drives the two groups of chain transmission components to synchronously operate, a plurality of supporting blocks which are used for supporting the plastic-coated steel pipe are arranged on chains of the chain transmission components at equal intervals, the plastic-coated steel pipe is placed on two supporting blocks which are arranged on the upper sides of the chains of the two groups of chain transmission components in a front-back opposite mode, and the two groups of chain transmission components are driven to synchronously operate through the servo motor, so that the steel pipe is driven to translate from left to right or from right to left to pass through the hot air drying furnace. Because the hot air drying furnace realizes the drying of the plastic coated steel pipe by blowing towards the plastic coated steel pipe in the drying cavity, but the plastic coated steel pipe cannot rotate in the translation process, the plastic coated steel pipe is heated unevenly in the drying process, and the drying quality of the plastic coated steel pipe is affected.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a plastic-coated steel pipe conveying mechanism which can improve the drying quality of plastic-coated steel pipes.
In order to solve the technical problems, the plastic-coated steel tube conveying mechanism comprises a frame, two groups of chain transmission assemblies and a servo motor, wherein the two groups of chain transmission assemblies are arranged on the frame in a front-back symmetrical mode, the servo motor drives the two groups of chain transmission assemblies to synchronously operate, the chain transmission assemblies comprise a driving sprocket, a driven sprocket and chains which are annularly wound on the driving sprocket and the driven sprocket in a runway mode, the driving sprocket and the driven sprocket are arranged at left and right intervals and are rotationally connected with the frame, bearing devices are arranged on the chains at equal intervals, each bearing device comprises a pair of bearing rollers which are arranged at intervals along the chains, are rotationally connected with the chains and are used for bearing the outer sides of steel tubes, and the frame is provided with a supporting part which is positioned in a chain enclosing space and is used for propping against the lower ends of the bearing rollers where the steel tubes are placed to drive the bearing rollers to rotate.
As an improvement of the scheme, the supporting component is a supporting plate with the upper side propped against the lower end of the bearing roller with the steel pipe.
As an improvement of the scheme, the lower side of the supporting plate is also provided with a reinforcing rib fixedly connected with the frame.
As an improvement of the scheme, the supporting part is a horizontal conveying belt with the upper side propped against the lower end of the bearing roller with the steel pipe.
As an improvement of the scheme, the rotation direction of the horizontal conveying belt is opposite to the rotation direction of the chain.
As an improvement of the scheme, the bearing device further comprises limiting plates which are arranged at intervals between the two chains and used for limiting the left and right positions of the steel pipes.
As an improvement of the scheme, when the supporting device is arranged vertically upwards, the distance between the two limiting plates is gradually reduced from top to bottom.
As an improvement of the scheme, a rubber layer is arranged on the outer side of the supporting roller.
As an improvement of the scheme, the plastic-coated steel tube conveying mechanism further comprises a first connecting rod with two ends fixedly connected with the two driving chain wheels respectively and a second connecting rod with two ends fixedly connected with the two driven chain wheels respectively, and the output end of the servo motor is fixedly connected with one driving chain wheel.
The implementation of the utility model has the following beneficial effects:
according to the plastic-coated steel tube conveying mechanism, the rack, the chain transmission assembly, the servo motor, the driving chain wheel, the driven chain wheel, the chain, the bearing device, the bearing roller and the supporting component are matched with each other, so that the steel tube can move and rotate while translating and passing through the drying furnace, the plastic-coated steel tube can be converted into an angle in the drying process, the heating is more uniform, and the drying quality of the plastic-coated steel tube is improved.
Drawings
Fig. 1 is a schematic top view of a plastic coated steel pipe conveying mechanism (with a supporting device removed) according to a first embodiment of the present utility model;
fig. 2 is a schematic front view (frame removed) of a plastic-coated steel pipe conveying mechanism according to a first embodiment of the present utility model;
FIG. 3 is an enlarged view at A in FIG. 2;
fig. 4 is a schematic top view of a plastic coated steel pipe conveying mechanism (with a support device removed) according to a second embodiment of the present utility model;
fig. 5 is a schematic front view (frame removed) of a plastic-coated steel pipe conveying mechanism in a second embodiment of the present utility model;
FIG. 6 is an enlarged view at B in FIG. 5;
fig. 7 is a schematic diagram of the operation of the support device of the present utility model.
In the figure: 1. a frame; 2. a chain drive assembly; 3. a servo motor; 4. a drive sprocket; 5. a driven sprocket; 6. a chain; 7. a support device; 8. a carrier roller; 9. a support plate; 10. reinforcing ribs; 11. a horizontal conveyor belt; 12. a limiting plate; 13. a rubber layer; 14. a first connecting rod; 15. and a second connecting rod.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific embodiments so as to more clearly understand the technical ideas claimed in the present utility model. It is only stated that the terms of orientation such as up, down, left, right, front, back, inner, outer, etc. used in this document or the imminent present utility model, are used only with reference to the drawings of the present utility model, and are not meant to be limiting in any way.
As shown in fig. 1 to 7, the plastic-coated steel tube conveying mechanism in the utility model comprises a frame 1, two groups of chain transmission assemblies 2 which are symmetrically arranged on the frame 1 in front and back, and a servo motor 3 for driving the two groups of chain transmission assemblies 2 to synchronously operate, wherein the chain transmission assemblies 2 comprise a driving sprocket 4, a driven sprocket 5 and a chain 6 which is annularly wound on the driving sprocket 4 and the driven sprocket 5 in a runway, the driving sprocket 4 and the driven sprocket 5 are arranged at left and right intervals and are rotationally connected with the frame 1, in fact, the driving sprocket 4 can be respectively driven by the two servo motors 3 to synchronously rotate, so that the two groups of chain transmission assemblies 2 can synchronously operate, or the driving sprocket 4 can be connected by a synchronous shaft, one end of the servo motor 3 rotates with one of the driving sprockets 4, so that the two groups of chain transmission assemblies 2 synchronously operate, and the upper side of the chain 6 horizontally moves from left to right or from right to left. The chain 6 passes through the heating chamber of the external dryer from left to right or from left to transport the plastic coated steel tube to dry the plastic coated steel tube.
The chain 6 is provided with supporting devices 7 at equal intervals, the supporting devices 7 comprise a pair of supporting rollers 8 which are arranged at intervals along the chain 6, are rotatably connected with the chain 6 and are used for supporting the outer sides of the steel pipes, in practice, the gap between the pair of supporting rollers 8 is smaller than the outer diameter of the steel pipes, and when the steel pipes are placed on the pair of supporting rollers 8, the lower ends of the steel pipes are higher than the upper sides of the chain 6; the frame 1 is provided with a supporting part positioned in the enclosing space of the chain 6, and the supporting part is used for propping against the lower end of the carrier roller 8 provided with the steel pipe so as to drive the carrier roller 8 to rotate. In fact, the upper side of the supporting component is propped against the lower end of the supporting roller 8 in the middle of the upper side of the chain 6, when the upper side of the chain 6 is translated relative to the supporting component, the supporting roller 8 rotates relative to the axis of the rotating joint of the supporting roller and the chain 6 under the action of friction force.
The working principle of the support device 7 is analyzed below. As shown in fig. 7, taking the movement of the upper side of the chain 6 from right to left as an example, the lower ends of a pair of supporting rollers 8 in the supporting device 7 are propped against the supporting component, so that the upper side of the chain 6 drives the pair of supporting rollers 8 in the supporting device 7 to move from right to left relative to the left side of the upper side of the supporting component, and the supporting rollers 8 rotate anticlockwise relative to the axle center of the rotating joint of the supporting rollers 8 and the chain 6 under the action of the supporting component, and as the outer side of the steel pipe is propped against the pair of supporting rollers 8, the supporting rollers 8 rotate anticlockwise so as to drive the steel pipe to rotate. Therefore, the steel pipe is firstly placed on a pair of supporting rollers 8 of the supporting device 7 on the upper side of the chain 6, and the steel pipe rotates while moving from right to left in the process of moving through the drying furnace under the interaction of the chain 6, the supporting rollers 8 and the supporting members.
According to the plastic-coated steel tube conveying mechanism, the frame 1, the chain transmission assembly 2, the servo motor 3, the driving chain wheel 4, the driven chain wheel 5, the chain 6, the bearing device 7, the bearing roller 8 and the supporting component are matched with each other, so that the steel tube can move and rotate while translating and passing through the drying furnace in the process of drying, the plastic-coated steel tube can be converted into an angle in the drying process, the heating is more uniform, and the drying quality of the plastic-coated steel tube is improved.
The utility model is illustrated by two embodiments with respect to the structure of the support member.
In the first embodiment, the supporting member is preferably a supporting plate 9 with an upper side for abutting against a lower end of a supporting roller 8 with a steel pipe placed thereon, the upper side of the supporting plate 9 is a supporting plane for abutting against a lower end of the supporting roller 8 in the middle of the upper side of the chain 6, and when the upper side of the chain 6 drives the supporting roller 8 to translate, the supporting roller 8 rotates relative to an axis at a rotational connection position of the supporting roller 8 and the chain 6 under the action of the supporting plate 9. Further, the lower side of the supporting plate 9 is preferably provided with a reinforcing rib 10 fixedly connected with the frame 1, so that the deformation and sagging time of the supporting plate 9 is prolonged, and the service life of the supporting plate 9 is prolonged.
In the second embodiment, the supporting member is preferably a horizontal conveying belt 11 with an upper side for abutting against a lower end of the supporting roller 8 on which the steel pipe is placed, the upper side of the horizontal conveying belt 11 is for abutting against a lower end of the supporting roller 8 in a middle portion of an upper side of the chain 6, when a difference exists between a moving speed of the upper side of the horizontal conveying belt 11 and a moving speed of the upper side of the chain 6, that is, the upper side of the chain 6 and the upper side of the horizontal conveying belt 11 relatively move so that the supporting roller 8 rotates relative to an axis of a rotating connection position of the supporting roller and the chain 6, and in addition, when the chain 6 drives the steel pipe to enter the external dryer to stop running, the horizontal conveying belt 11 continues to run, and the steel pipe can also rotate. Further, the rotation direction of the horizontal conveying belt 11 is preferably opposite to the rotation direction of the chain 6, so that the upper side of the chain 6 and the upper side of the horizontal conveying belt 11 move reversely, and the rotation speed of the carrier roller 8 is easier to be faster.
In the present utility model, the supporting device 7 further preferably includes a limiting plate 12 disposed at a distance from the two chains 6 for limiting the left and right positions of the steel pipes, so as to prevent the steel pipes from moving left and right relative to the upper sides of the chains 6 due to rotation and leaving the supporting rollers 8 for supporting the steel pipes. Further, when the supporting device 7 is disposed vertically upwards, as shown in fig. 3 and 6, the distance between the two limiting plates 12 preferably decreases gradually from top to bottom, so that the steel pipe is guided to be leased between the two limiting plates 12.
It should be noted that, the outer side of the backup roll 8 is preferably provided with a rubber layer 13, the outer side of the backup roll 8 which is relatively steel or iron contacts with the outer side of the steel pipe or the upper side of the supporting component, and the backup roll 8 contacts with the outer side of the steel pipe or the upper side of the supporting component through the rubber layer 13 to reduce the slipping phenomenon.
In addition, the plastic-coated steel tube conveying mechanism further comprises a first connecting rod 14 with two ends fixedly connected with the two driving chain wheels 4 and a second connecting rod 15 with two ends fixedly connected with the two driven chain wheels 5 respectively, so that the two driving chain wheels 4 synchronously rotate and the two driven chain wheels 5 synchronously operate, and the output end of the servo motor 3 is fixedly connected with one driving chain wheel 4 so as to synchronously operate the two chains 6.
The foregoing description is only specific embodiments of the present utility model, and not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present utility model or directly or indirectly applied to other related technical fields are included in the scope of the present utility model.
Claims (9)
1. The utility model provides a plastic-coated steel pipe conveying mechanism which characterized in that: including frame, two sets of symmetry set up the chain drive subassembly in the frame and the servo motor of two sets of chain drive subassembly synchronous operation of drive, chain drive subassembly includes driving sprocket, driven sprocket and is the runway annular around establishing the chain on driving sprocket and driven sprocket, driving sprocket and driven sprocket control the interval setting and all rotate with the frame and be connected, equidistant interval is provided with bearing device on the chain, bearing device includes a pair of along chain interval setting and rotates the bearing roller that is connected and is used for the bearing steel pipe outside with the chain, rack-mount has the supporting part that is located the chain enclosure space, supporting part is used for supporting with the bearing roller lower extreme of placing the steel pipe and rotates with the drive bearing roller.
2. A plastic coated steel pipe conveying mechanism as claimed in claim 1, wherein: the supporting component is a supporting plate with the upper side propped against the lower end of the bearing roller provided with the steel pipe.
3. A plastic coated steel pipe conveying mechanism as claimed in claim 2, wherein: the lower side of the supporting plate is also provided with a reinforcing rib fixedly connected with the frame.
4. A plastic coated steel pipe conveying mechanism as claimed in claim 1, wherein: the supporting part is a horizontal conveying belt with the upper side propped against the lower end of the bearing roller provided with the steel pipe.
5. A plastic coated steel pipe conveying mechanism as claimed in claim 4, wherein: the rotation direction of the horizontal conveying belt is opposite to the rotation direction of the chain.
6. A plastic coated steel pipe conveying mechanism as claimed in claim 1, wherein: the supporting device further comprises limiting plates which are arranged at intervals between the two chains and used for limiting the left and right positions of the steel pipes.
7. A plastic coated steel pipe conveying mechanism as claimed in claim 6, wherein: when the supporting device is arranged vertically upwards, the distance between the two limiting plates is gradually reduced from top to bottom.
8. A plastic coated steel pipe conveying mechanism as claimed in claim 1, wherein: and a rubber layer is arranged on the outer side of the supporting roller.
9. A plastic coated steel pipe conveying mechanism as claimed in claim 1, wherein: the servo motor is characterized by further comprising a first connecting rod with two ends fixedly connected with the two driving chain wheels and a second connecting rod with two ends fixedly connected with the two driven chain wheels respectively, and the output end of the servo motor is fixedly connected with one driving chain wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321770110.7U CN220683704U (en) | 2023-07-07 | 2023-07-07 | Plastic-coated steel pipe conveying mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321770110.7U CN220683704U (en) | 2023-07-07 | 2023-07-07 | Plastic-coated steel pipe conveying mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220683704U true CN220683704U (en) | 2024-03-29 |
Family
ID=90408566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321770110.7U Active CN220683704U (en) | 2023-07-07 | 2023-07-07 | Plastic-coated steel pipe conveying mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220683704U (en) |
-
2023
- 2023-07-07 CN CN202321770110.7U patent/CN220683704U/en active Active
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