Pressing mechanism and pipeline machining device

Abstract

The utility model relates to the technical field of pipeline machining, and particularly discloses a pressing mechanism and a pipeline machining device.During machining, a first sliding block is driven by a driving device to walk along an annular track, a pipeline is heated through a heating module of a heating mechanism in the walking process, and the temperature of the outer wall face of the pipeline is increased; then powder coating is sprayed to the outer wall faces of the pipelines through a spray head of the powder spraying mechanism, a good anti-corrosion coating is formed after the powder coating is cured, and anti-corrosion protection can be effectively conducted on the welding positions of the two pipelines; a pressing mechanism is further added, a movable plate capable of moving up and down is arranged, and downward pressing force of springs on the movable plate is matched, so that walking wheels at the lower ends of supporting rods can make contact with the pipeline all the time and stably walk along the outer wall of the pipeline, and the heating module is fixed to the lower end of the movable plate, so that shaking of the heating module can be avoided; the heating distance between the heating module and the outer wall surface of the pipeline is kept consistent, so that the subsequent processing quality is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline processing technical field, especially pipeline processing device and compression mechanism. BACKGROUND

[0002] The pipeline is used in a wide range, for example, water conservancy project, most of water conservancy project is carried out in the open air, and the metal pipeline is often used in the water conservancy project construction, and the pipeline used in the water conservancy project is mostly relatively long, and the metal pipeline usually needs to be connected by welding, and the welding can adopt the mode of pipeline inner wall welding or pipeline outer wall welding, and after welding, the part of the steel pipe wall surface close to the pipe opening needs to be treated, and the anticorrosion treatment includes sanding, heating, powder spraying and other processes.

[0003] In order to facilitate the operation of the metal pipeline, some manufacturers propose a device that can perform annular operation around the pipeline, such as a pipeline inner anticorrosion layer detection and spraying device disclosed in Chinese patent No. CN109876972B, which rotates and sprays the spraying mechanism through the annular track, thereby spraying and processing the inner wall of the pipeline.

[0004] The rotating processing structure of the prior art cannot keep the distance between the processing device and the inner and outer walls of the pipeline consistent due to the irregularity of the pipeline and the shaking of the processing device during rotation, which affects the subsequent processing effect.

[0005] Therefore, the prior art still needs to be improved and developed. UTILITY MODEL CONTENT

[0006] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a compression mechanism and a pipeline processing device to solve the above problems.

[0007] A compression mechanism comprises:

[0008] A support;

[0009] A movable plate movable above the support in the up-down direction;

[0010] A pressing module comprising at least one column fixed to the support and passing through the movable plate at the upper end, an upper sleeve ring fixed to the upper end of the column and adjustable in height, and a spring sleeved on the column and located between the upper sleeve ring and the movable plate;

[0011] A walking module comprising at least one support rod fixed to the movable plate, and a walking wheel rotatably arranged at the lower end of the support rod.

[0012] Specifically, the support is fixed with a mounting plate, the mounting plate is fixed with a first tight sleeve, and the lower end of the column is fixed to the support through the first tight sleeve.

[0013] Specifically, a second fixing sleeve is fixed on the movable plate, and the supporting rod is fixed to the movable plate through the second fixing sleeve.

[0014] Specifically, a lower sleeve ring is fixed on the movable plate, the lower end of the stand passes through the lower sleeve ring, and the upper and lower ends of the spring are respectively abutted against the upper sleeve ring and the lower sleeve ring.

[0015] Specifically, the upper end of the stand is threadedly connected with the upper sleeve ring.

[0016] A pipeline processing device comprises:

[0017] The pressing mechanism;

[0018] The driving mechanism comprises an annular track arranged on the inner side or the outer side of the pipeline, a sliding block walking along the annular track, and a driving device for driving the first sliding block, and the support is fixed to the first sliding block.

[0019] The heating mechanism comprises a heating module fixed to the lower end of the movable plate and facing the pipeline.

[0020] The powder spraying mechanism comprises a side frame fixed to the support, a spray head arranged on the side frame and spraying powder towards the inner wall or the outer wall of the pipeline, and the spray head is located at the front side of the walking direction of the heating module.

[0021] Specifically, the heating mechanism further comprises a medium frequency output device fixed to the upper end of the movable plate, and the medium frequency output device is electrically connected with the heating module.

[0022] Specifically, the powder spraying mechanism further comprises a translation driving device arranged on the side frame in the left-right direction, a second sliding block connected to the output end of the translation driving device, and a mounting frame fixed to the second sliding block, and the spray head is fixed to the mounting frame.

[0023] Specifically, the powder spraying mechanism further comprises a protective cover fixed to the lower end of the side frame, and the spray head extends into the protective cover.

[0024] Specifically, an air extraction pipeline is connected to the outside of the protective cover.

[0025] The pipeline processing device has the following beneficial effects:

[0026] The utility model discloses a kind of compression mechanism and pipeline processing device, can be applied to the outer wall processing of pipeline, annular track is fixed at the outside of two pipeline welding positions, when processing, first slider is driven along annular track by driving device, heating module of heating mechanism is used to heat pipeline in walking process, improve the temperature of pipeline outer wall surface, and then the nozzle of powder spraying mechanism is sprayed to pipeline outer wall surface Powder coating, a good anticorrosive coating is formed after powder coating solidification, can effectively anticorrosive protection is carried out to two pipeline welding positions;Compression mechanism is additionally increased, by setting movable plate that can go up and down, cooperate the downward compression force of spring to movable plate, so that the walking wheel of lower end of support rod can always contact with pipeline, and stably walk along pipeline outer wall, heating module is fixed to movable plate lower end, can avoid heating module to shake, ensure that the heating distance of heating module and pipeline outer wall surface remains identical, to guarantee the processing quality of subsequent. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is the pipeline processing device of the application for the pipeline outer wall processing perspective view;

[0028] Figure 2 It is the pipeline processing device of the application for the pipeline outer wall processing front view;

[0029] Figure 3 It is the pipeline processing device of the application after removing driving mechanism perspective view;

[0030] Figure 4 It is the compression mechanism perspective view of the application;

[0031] Figure 5 It is the right view of the compression mechanism of the application.

[0032] Figure is: support 11, movable plate 12, lower pressing module 13, stand 131, upper sleeve ring 132, spring 133, walking module 14, support rod 141, walking wheel 142, mounting plate 15, first tight sleeve 16, second tight sleeve 17, lower sleeve ring 18, driving mechanism 20, annular track 21, slider 22, heating mechanism 30, heating module 31, powder spraying mechanism 40, side frame 41, nozzle 42, middle frequency output device 32, translation driving device 43, second slider 44, mounting frame 45, protective cover 46, air extraction pipeline 47, pipeline 50. DETAILED DESCRIPTION

[0033] The utility model provides a kind of compression mechanism and pipeline processing device, to make the purpose, technical scheme and effect of the utility model more clear, definite, the following referring to drawing and taking example to the utility model is further detailedly explained.It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0034] In the description of the utility model, need understanding, relate to the direction description, for example the direction or positional relation of indication such as upper, lower, front, rear, left, right etc. based on the direction or positional relation shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply the device or element must have the specific orientation, with specific orientation configuration and operation, therefore can not be understood as the limitation of the utility model.

[0035] Please refer to Figures 1-5 The embodiment discloses a pipeline processing device, which comprises:

[0036] The pressing mechanism comprises a support 11, a movable plate 12, a downward pressing module 13 and a walking module 14, the movable plate 12 can move upwards and downwards above the support 11, the downward pressing module 13 comprises at least one stand column 131 fixed to the support 11 and penetrating the movable plate 12 at the upper end, an upper sleeve ring 132 fixed to the upper end of the stand column 131 and adjustable in height, and a spring 133 sleeved on the stand column 131 and located between the upper sleeve ring 132 and the movable plate 12, and the walking module 14 comprises at least one supporting rod 141 fixed to the movable plate 12 and a walking wheel 142 rotatably arranged at the lower end of the supporting rod 141.

[0037] The driving mechanism 20 comprises an annular track 21 arranged on the inner side or the outer side of the pipeline 50, a first sliding block 22 walking along the annular track 21, a driving device (not shown) for driving the first sliding block 22, and the support 11 fixed to the first sliding block 22.

[0038] The heating mechanism 30 comprises a heating module 31 fixed to the lower end of the movable plate 12 and facing the pipeline 50.

[0039] The powder spraying mechanism 40 comprises a side frame 41 fixed to the support 11 and a spray head 42 arranged on the side frame 41 and facing the inner wall or the outer wall of the pipeline 50, and the spray head 42 is located at the front side of the walking direction of the heating module 31.

[0040] The pipeline processing device of the embodiment can be applied to the outer wall processing of the pipeline, the annular track 21 is fixed on the outer side of the welding position of the two pipelines 50, during processing, the first sliding block 22 walks along the annular track 21 by the driving device, the support 11 walks under the drive of the first sliding block 22, and the heating mechanism 30 and the powder spraying mechanism 40 work during walking, the heating module 31 of the heating mechanism 30 is used to heat the pipeline 50 first along the walking direction, the temperature of the outer wall surface of the pipeline 50 is improved, then the spray head 42 of the powder spraying mechanism 40 is used to spray powder coating on the outer wall surface of the pipeline 50, a good anticorrosive coating is formed after the powder coating is solidified, and the two pipeline 50 welding positions can be effectively protected from corrosion.

[0041] This embodiment also includes a clamping mechanism. By setting a movable plate 12 that can move up and down, and cooperating with the downward clamping force of the spring 133 on the movable plate 12, the traveling wheel 142 at the lower end of the support rod 141 can always be in contact with the pipe 50 and travel stably along the outer wall of the pipe 50. In this embodiment, the heating module 31 is fixed to the lower end of the movable plate 12, which can prevent the heating module 31 from shaking and ensure that the heating distance between the heating module 31 and the outer wall of the pipe 50 remains consistent, thereby ensuring the subsequent processing quality.

[0042] It should be noted that the pipe processing device of this application, by adjusting the size of the drive mechanism 20 and the installation direction of the clamping mechanism, can also be applied to the processing of the inner wall of pipes.

[0043] The driving device in this embodiment can adopt a combination structure of motor, gear, and toothed chain. The toothed chain is fixed in a ring on the ring track 21, the motor is fixed on the first slider 22, the gear is connected to the output shaft of the motor, and the gear meshes with the toothed chain. The motor drives the gear to rotate, and under the meshing action of the gear and the toothed chain, the first slider 22 is driven to move along the ring track 21.

[0044] Of course, the combination of motor, gear, and toothed chain is only one preferred implementation method. In other embodiments, a ring belt conveyor or similar device can also be used, and it is not limited to the combination of motor, gear, and toothed chain in this embodiment.

[0045] Please refer to Figure 4 A mounting plate 15 is fixed on the bracket 11, and a first locking sleeve 16 is fixed on the mounting plate 15. The lower end of the column 131 is fixed to the bracket 11 through the first locking sleeve 16. The column 131 can be disassembled and assembled by loosening or tightening the screws on the first locking sleeve 16.

[0046] Please refer to Figure 4 A second locking sleeve 17 is fixed on the movable plate 12. The support rod 141 is fixed to the movable plate 12 through the second locking sleeve 17. The height of the support rod 141 can be adjusted by adjusting the tightness of the second locking sleeve 17, thereby adjusting the heating height of the heating module 31.

[0047] Furthermore, a lower collar 18 is fixed on the movable plate 12, and the lower end of the column 131 passes through the lower collar 18. The upper and lower ends of the spring 133 abut against the upper collar 132 and the lower collar 18, respectively. The spring 133 is a compression spring. Since the lower end of the column 131 is fixed to the bracket 11 and the upper end of the column 131 is fixed to the upper collar 132, the spring 133 has a downward thrust, which can push the movable plate 12 to move downward. The movable plate 12 then drives the support rod 141 and the traveling wheel 142 to press down, so that the traveling wheel 142 always abuts against the outer wall of the pipe 50. The structure is ingenious.

[0048] Further, the upper end of the column 131 has external threads, the inner side of the upper sleeve ring 132 has internal threads, the upper end of the column 131 is threadedly connected with the upper sleeve ring 132, the installation height of the upper sleeve ring 132 can be quickly adjusted through the threadedly connected mode, so that the compression amount of the spring 133 is adjusted, and the threadedly connected mode has a self-locking function, facilitating user operation.

[0049] Of course, the column 131 and the upper sleeve ring 132 are threadedly connected in the embodiment, which is only one of the relatively optimal implementation manners, in other embodiments, a clamping groove and a limiting ring mode can also be used, a plurality of annular clamping grooves are vertically arranged on the upper end of the column 131, the upper sleeve ring 132 is a limiting ring, the height is adjusted by adjusting the clamping position of the limiting ring and the clamping groove, or a bolt limiting rod mode can also be used, the upper sleeve ring 132 is replaced by a bolt limiting rod, a plurality of insertion holes are vertically arranged on the upper end of the column 131, the height is adjusted by adjusting the insertion position of the bolt limiting rod and the insertion hole. The above are relatively optimal replaceable modes, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the present application, and these equivalent modifications or replacements are all included in the range defined by the inventive claim.

[0050] Please refer to Figure 3 The heating mechanism 30 of the embodiment further comprises a medium-frequency output device 32 fixed to the upper end of the movable plate 12, the medium-frequency output device 32 is electrically connected with the heating module 31, the heating module 31 adopts an induction coil, the medium-frequency output device 32 outputs a medium-frequency current to supply the induction coil, high-density magnetic lines are generated in the induction coil, and then act on the pipeline 50 to generate an eddy current effect in the pipeline 50, so that the temperature of the pipeline 50 is increased, and the subsequent powder spraying operation is facilitated.

[0051] The powder spraying mechanism 40 further comprises a translation driving device 43 arranged on the side frame 41 in the left-right direction, a second sliding block 44 connected to the output end of the translation driving device 43, and a mounting frame 45 fixed to the second sliding block 44, the spray head 42 is fixed to the mounting frame 45, the spray head 42 is driven by the translation driving device 43 to reciprocate in the left-right direction, so that a wider range of spraying is realized.

[0052] The translation driving device 43 of the embodiment adopts a lead screw module, which has the advantages of high adjustment precision and fast response speed, in other embodiments, a linear driving device such as an electric cylinder can also be used.

[0053] Please refer to Figure 3 The powder spraying mechanism 40 of the embodiment further comprises a protective cover 46 fixed to the lower end of the side frame 41, the spray head 42 extends into the protective cover 46, and through the arrangement of the protective cover 46, the powder can be prevented from spreading everywhere, so as to avoid environmental pollution.

[0054] Further, the protective cover 46 is connected with the suction pipeline 47 outside, the other end of the suction pipeline 47 is connected in the suction port of the waste gas treatment equipment, the flying powder generated in the spraying process is sucked away through the waste gas treatment equipment, powder treatment is carried out, then is discharged, and environmental pollution is avoided.

[0055] The preferred embodiments of the utility model are specifically explained above, but the utility model creation is not limited to the described examples, and those skilled in the art can also make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the utility model creation right claim.

Claims

1. A compression mechanism, characterized in that, It comprises: a support (11); a movable plate (12) movable up and down above the support (11); a pressing module (13) comprising at least one column (131) fixed to the support (11) and passing through the movable plate (12) at the upper end, an upper sleeve (132) fixed to the upper end of the column (131) and adjustable in height, and a spring (133) sleeved on the column (131) and located between the upper sleeve (132) and the movable plate (12); a walking module (14) comprising at least one support rod (141) fixed to the movable plate (12) and a walking wheel (142) rotatably arranged at the lower end of the support rod (141).

2. A compression mechanism according to claim 1, wherein A mounting plate (15) is fixed to the support (11), and a first fastening sleeve (16) is fixed to the mounting plate (15). The lower end of the column (131) is fixed to the support (11) through the first fastening sleeve (16).

3. A compression mechanism according to claim 1, wherein A second fastening sleeve (17) is fixed to the movable plate (12), and the support rod (141) is fixed to the movable plate (12) through the second fastening sleeve (17).

4. A compression mechanism according to claim 1, wherein A lower sleeve (18) is fixed to the movable plate (12), and the lower end of the column (131) passes through the lower sleeve (18). The upper and lower ends of the spring (133) are respectively abutted with the upper sleeve (132) and the lower sleeve (18).

5. A compression mechanism according to claim 1, wherein The upper end of the column (131) is threadedly connected with the upper sleeve (132).

6. A pipe machining apparatus characterized by comprising: The pressing mechanism of any one of claims 1-5 further comprises: a driving mechanism (20) comprising an annular track (21) arranged on the inner side or outer side of the pipeline (50), a first sliding block (22) walking along the annular track (21), a driving device for driving the first sliding block (22), and the support (11) fixed to the first sliding block (22); a heating mechanism (30) comprising a heating module (31) fixed to the lower end of the movable plate (12) and facing the pipeline (50); a powder spraying mechanism (40) comprising a side frame (41) fixed to the support (11) and a spray head (42) arranged on the side frame (41) and facing the inner wall or outer wall of the pipeline (50) to spray powder, the spray head (42) being located in front of the walking direction of the heating module (31).

7. A pipe machining apparatus according to claim 6, wherein The heating mechanism (30) further comprises a medium frequency output device (32) fixed to the upper end of the movable plate (12), and the medium frequency output device (32) is electrically connected with the heating module (31).

8. The pipe machining apparatus of claim 6, wherein, The powder spraying mechanism (40) further comprises a translation driving device (43) arranged on the side frame (41) in the left-right direction, a second sliding block (44) connected to the output end of the translation driving device (43), and a mounting frame (45) fixed to the second sliding block (44), and the spray head (42) is fixed to the mounting frame (45).

9. The pipe machining apparatus of claim 6, wherein, The powder spraying mechanism (40) further comprises a protective cover (46) fixed to the lower end of the side frame (41), and the spray head (42) extends into the protective cover (46).

10. A pipe machining apparatus according to claim 9, wherein, An air extraction pipeline (47) is connected to the outer side of the protective cover (46).

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