CN210280890U - Sawing machine capable of performing 45-degree sawing on pipeline - Google Patents

Sawing machine capable of performing 45-degree sawing on pipeline Download PDF

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Publication number
CN210280890U
CN210280890U CN201921383852.8U CN201921383852U CN210280890U CN 210280890 U CN210280890 U CN 210280890U CN 201921383852 U CN201921383852 U CN 201921383852U CN 210280890 U CN210280890 U CN 210280890U
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China
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clamping
cabinet
saw blade
sawing
drawer
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CN201921383852.8U
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Chinese (zh)
Inventor
蔡文灏
陀泽
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Foshan Hualiang Bunsen Gas Equipment Co ltd
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Foshan Hualiang Bunsen Gas Equipment Co ltd
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Abstract

The utility model relates to a can carry out sawing machine that 45 saw cut to pipeline, including the sawing machine body, install rotatable and but the band saw blade of oscilaltion motion on the sawing machine body, the axis of the work saw blade segment length direction of band saw blade is L1, still install on the sawing machine body and press from both sides tight drive mechanism and pipeline clamping block group, the first clamp splice of pipeline clamping block group is through pressing from both sides tight drive mechanism realization to the pipeline and press from both sides tightly, be formed with first centre gripping concave surface on first clamp splice, the intersection line L2 of clamping surface and first clamping surface is gone up to first centre gripping concave surface and the intersection line L β that the projection formed on the horizontal plane with axis L1 is 45, be formed with second centre gripping concave surface on the second clamp splice, the intersection line L3 and the intersection line L2 of clamping surface under clamping surface and the second on the second of second centre gripping concave surface are in same horizontal plane and are mutual parallel arrangement, the utility model has the characteristics such as can saw cut 45 to the pipeline, saw cut efficiently and accurate to the angle control of pipeline.

Description

Sawing machine capable of performing 45-degree sawing on pipeline
Technical Field
The utility model relates to a gas pipeline saw cuts equipment technical field, especially a can carry out 45 sawing's sawing machines to the pipeline.
Background
The pipeline is an important part for gas transportation, and is generally used for connecting and communicating 2 devices in use so as to transport gas. During the application of the pipe, it is often necessary to perform 45 ° sawing of the end face of the pipe, so-called 45 ° sawing being performed with a 45 ° angle between the sawing plane and the axis of the pipe. At present, for 45-degree sawing of pipelines, a common method is to unfold curved surfaces after 45-degree sawing through 3D software, label the curved surfaces with coordinates, draw the curved surfaces on lofting paper, and finally wrap the lofting paper around the pipelines and perform manual sawing along the curved surfaces by using a saw blade. The method has long production period and low efficiency, is difficult to control the sawing size, and is not suitable for mass production. Based on present artificial 45 saw cuts the not enough of existence to the pipeline, need urgently to need a section can carry out the sawing machine that 45 saw cuts to the pipeline to satisfy the demand that improves 45 saw cut efficiency to the pipeline.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can carry out 45 sawing's sawing machine to the pipeline, this can carry out 45 sawing's sawing machine to the pipeline has simple structure, reasonable in design, not only can carry out 45 saw cuts to the pipeline, still shortens greatly and saw cuts the time, is favorable to improving saw cut efficiency, to the angle size control that the pipeline saw cut accurate and be applicable to advantages such as mass production uses.
The technical scheme of the utility model is realized like this: a sawing machine capable of sawing a pipeline at an angle of 45 degrees comprises a sawing machine body, wherein the sawing machine body comprises a workbench, a saw frame capable of moving up and down is mounted on the top surface of the workbench, a saw blade rotating mechanism is mounted on the saw frame, a saw blade is mounted on the saw blade rotating mechanism, 2 positioning arms acting on the saw blade are further mounted on the saw frame, the part, between the 2 positioning arms, of the saw blade is called as a working saw blade section, and the axis of the working saw blade in the length direction is L1; the pipeline clamping device is characterized by further comprising a clamping transmission mechanism and a pipeline clamping block group, wherein:
the clamping transmission mechanism comprises a mounting bracket, a clamping cylinder, a sliding block, a first mounting seat and a second mounting seat, the mounting bracket is mounted on the top surface of the workbench and is positioned on one side of the working saw blade section, a slide way is formed on the mounting bracket, and the length direction of the slide way is parallel to the length direction of the working saw blade section; the first mounting seat and the second mounting seat are both positioned on the mounting bracket, and the second mounting seat is fixedly connected with the mounting bracket; the sliding part of the sliding block is arranged in the slideway in a sliding manner and is fixedly connected with the first mounting seat; the clamping cylinder is fixed on the workbench, and a piston rod of the clamping cylinder is connected with the sliding block so as to push the sliding part of the sliding block to move back and forth in the slide way, so that the first mounting seat is close to or far away from the second mounting seat;
the pipeline clamping block set comprises a first clamping block and a second clamping block, the first clamping block is fixed on a first mounting seat, a first clamping concave surface is formed on the first clamping block, the cross section of the first clamping concave surface is of a V-shaped structure, the first clamping concave surface is formed by a first upper clamping surface and a first lower clamping surface, an included angle formed between the first upper clamping surface and the first lower clamping surface is α, the included angle α is in the range of 150-170 degrees, the intersection line of the first upper clamping surface and the first lower clamping surface is L68, an included angle β formed by projection of the intersection line L2 and an axis L1 on a horizontal plane is 45 degrees, the second clamping block is fixed on a second mounting seat, a second clamping concave surface is formed on the second clamping block, the cross section of the second clamping concave surface is of a V-shaped structure, the second clamping concave surface is opposite to the first clamping concave surface of the first clamping block, the second clamping concave surface is formed by a second upper clamping surface and a second lower clamping surface, the intersection line 353523 is parallel to the upper clamping surface, the intersection line is identical to the intersection line 585, and the intersection line is 3874, the same as the upper clamping surface, and the lower clamping surface is also parallel to the lower clamping surface.
Furthermore, a cabinet body is also arranged on one side surface of the workbench, the cabinet body is positioned on the other side of the working saw blade section, the cabinet body is composed of a top panel, 2 side panels, a bottom plate and a front panel, and a mesh area is formed on the top panel of the cabinet body; the iron scrap collecting device is also arranged in the cabinet body and comprises a conveyor belt mechanism, an iron scrap cleaning mechanism, a first drawer and a second drawer; wherein:
the conveying belt mechanism comprises a main driving roller, a secondary driving roller, a conveying belt, a first motor and a fixed seat, wherein the main driving roller and the secondary driving roller are respectively positioned in the cabinet body, the main driving roller and the secondary driving roller are respectively and rotatably arranged between the front panel of the cabinet body and the side surface of the workbench, the height from the main driving roller to the ground is higher than that from the secondary driving roller to the ground, the conveying belt is wound on the main driving roller and the secondary driving roller, and the conveying belt is positioned below a mesh area of the top panel of the cabinet body; the fixed seat is positioned in the cabinet body and is arranged on the bottom plate, and the first motor is fixed on the fixed seat and is used for driving the main driving roller to rotate;
the scrap iron cleaning mechanism comprises a second motor and a scrap iron scraping roller, the scrap iron scraping roller is positioned in the cabinet body, the scrap iron scraping roller is rotatably arranged between the front panel of the cabinet body and the side surface of the workbench, the axis of the scrap iron scraping roller, the axis of the main transmission roller and the axis of the auxiliary transmission roller are arranged in parallel, and the scrap iron scraping roller is also abutted against the bottom surface of the conveying belt; the second motor is fixed on the front panel of the cabinet body and is used for driving the scrap iron scraping roller to rotate;
a drawer opening is formed on one side panel of the cabinet body; one end of the first drawer is inserted into the cabinet body from the drawer opening; one end of the second drawer is also inserted into the cabinet body from the drawer opening, the second drawer is placed on the first drawer and is positioned below the transmission roller and the scrap iron scraping roller, the length of the second drawer is shorter than that of the first drawer, and an end plate at the end, inserted into the cabinet body, of the second drawer is a mesh plate.
Still further, still include iron fillings guide spare on the sawing machine body, iron fillings guide spare is the slope form setting, and iron fillings guide spare is in the below of work saw blade section, and the upper end of this iron fillings guide spare is fixed on the mounting bracket, and the mesh region setting on the top panel of this iron fillings guide spare lower extreme orientation cabinet body.
Still further, the saw blade rotating mechanism comprises a main driving wheel, a secondary driving wheel and a third motor; the main driving wheel and the auxiliary driving wheel are respectively and rotatably arranged on the saw frame; the band saw blade is wound on the main driving wheel and the auxiliary driving wheel; the third motor is arranged on the saw frame and used for driving the main driving wheel to rotate.
The utility model has the advantages that: the utility model discloses at the during operation, place the pipeline between first clamp splice and second clamp splice after, first clamp splice moves towards the direction of second clamp splice under the die clamping actuating mechanism's die clamping cylinder effect, causes the first centre gripping concave surface of first clamp splice and the second centre gripping concave surface of second clamp splice coaction to make the pipeline location, later the band saw blade is worked on and is saw cut the pipeline, the utility model adopts the design that the intersection line L2 of the first upper clamping face and the first lower clamping face of first clamp splice and the axis L1 of the length direction of work saw blade section form the contained angle on the horizontal plane 45, the intersection line L3 and the intersection line L2 of the second upper clamping face and the second lower clamping face of second clamp splice are in same horizontal plane and are parallel to each other, make the pipeline saw cut after the utility model discloses the contained angle that the plane of cutting and the axis of pipeline self form 45, whole working process mechanization degree is high, control also very simple, make the utility model has the advantages of simple structure, reasonable in design, not only can carry out 45 saw cuts to the pipeline, still shorten the saw cutting time greatly, be favorable to improving saw cutting efficiency, accurate and be applicable to mass production and use the angle size control that saw cuts the pipeline.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
Fig. 3 is an enlarged schematic view of a portion B in fig. 1.
Fig. 4 is a second schematic structural diagram of the present embodiment.
Fig. 5 is an enlarged schematic view of a portion C in fig. 4.
Fig. 6 is a third schematic structural diagram of the embodiment.
Fig. 7 is a schematic structural view of the workbench according to the embodiment with the front panel and the top panel of the cabinet removed.
Fig. 8 is a schematic structural diagram of the clamping transmission mechanism according to the embodiment (after the first mounting seat and the second mounting seat are removed).
Description of reference numerals: 1-sawing machine body; 11-a workbench; 2-a saw frame; 21-a slide rail; 22-guide sleeves; 3-saw blade rotating mechanism; 31-a main transmission wheel; 32-a slave transmission wheel; 33-a third motor; 4-band saw blade; 41-working saw blade section; 5-a positioning arm; 6-clamping the transmission mechanism; 61-a mounting bracket; 611-a slideway; 62-a clamping cylinder; 63-a slide block; 631-a slide; 64-a first mount; 65-a second mount; 7-a pipe clamping block set; 71-a first clamp block; 711-first gripping concavity; 712-a first upper clamping surface; 713-first lower clamping surface; 72-a second clamp block; 721-second clamping concavity; 722-a second upper clamping surface; 723-a second lower clamping surface; 8-a cabinet body; 81-top panel; 811-mesh area; 82-side panel; 821-drawer opening; 83-a bottom plate; 84-a front panel; 9-scrap iron collecting device; 91-a conveyor belt mechanism; 911-main drive roller; 912-driven rollers; 913-a conveyor belt; 914-a first motor; 915-a fixed seat; 92-scrap iron cleaning mechanism; 921 — a second motor; 922-scrap iron scraping roller; 93-a first drawer; 94-a second drawer; 941-mesh plate; 10-scrap iron material guiding piece; 20-a tensioning mechanism; 201-tensioning cylinder; 202-a sliding plate; 30-an up-down lifting mechanism; 301-lifting cylinder; 302-guide pillars; 40-an adjustment mechanism; 401-lead screw; 402-lead screw nut; 403-a fourth motor; 404-guide rail bar.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5, 6, 7, and 8, a sawing machine capable of performing 45 ° sawing on a pipeline according to this embodiment includes a sawing machine body 1, the sawing machine body 1 includes a worktable 11, a saw frame 2 capable of moving up and down is mounted on a top surface of the worktable 11, a saw blade rotating mechanism 3 is mounted on the saw frame 2, a saw blade 4 is mounted on the saw blade rotating mechanism 3, 2 positioning arms 5 acting on the saw blade 4 are further mounted on the saw frame 2, a positioning mechanism for passing the saw blade 4 of the saw blade 4 is disposed at a bottom of each positioning arm 5, the positioning mechanism generally includes 2 rollers, the saw blade 4 passes through a gap between the 2 rollers, so that a side surface of a part of the saw blade 4 between the 2 positioning arms 5 is vertically disposed with a horizontal plane, which is convenient for performing the sawing on the pipeline, a part of the saw blade 4 between the 2 positioning arms 5 is referred to as a working saw blade 41, the working blade section 41 has a length axis of L1; in order to realize the purpose of the sawing machine capable of performing 45-degree sawing on the pipeline, the sawing machine capable of performing 45-degree sawing on the pipeline further comprises a clamping transmission mechanism 6 and a pipeline clamping block group 7, wherein:
the clamping transmission mechanism 6 comprises a mounting bracket 61, a clamping cylinder 62, a sliding block 63, a first mounting seat 64 and a second mounting seat 65, wherein the mounting bracket 61 is mounted on the top surface of the workbench 11, the mounting bracket 61 is positioned at one side of the working saw blade section 41, a slide rail 611 is formed on the mounting bracket 61, and the length direction of the slide rail 611 is parallel to the length direction of the working saw blade section 41; the first mounting seat 64 and the second mounting seat 65 are both positioned on the mounting bracket 61, and the second mounting seat 65 is fixedly connected with the mounting bracket 61; the sliding part 631 is formed on the slider 63, the sliding part 631 of the slider 63 is slidably mounted in the slide rail 611, and the sliding part 631 of the slider 63 is further fixedly connected with the first mounting seat 64; the clamping cylinder 62 is fixed on the workbench 11, and a piston rod of the clamping cylinder 62 is connected with the sliding block 63 to push the sliding part 631 of the sliding block 63 to move back and forth in the sliding way 611 so that the first mounting seat 64 is close to or far from the second mounting seat 65;
the pipeline clamping block set 7 comprises a first clamping block 71 and a second clamping block 72, the first clamping block 71 is fixed on the first mounting seat 64, a first clamping concave surface 711 is formed on the first clamping block 71, the cross section of the first clamping concave surface 711 is of a V-shaped structure, the first clamping concave surface 711 is formed by a first upper clamping surface 712 and a first lower clamping surface 713, an included angle α is formed between the first upper clamping surface 712 and the first lower clamping surface 713, the included angle α is in the range of 150-170 degrees, the intersection line of the first upper clamping surface 712 and the first lower clamping surface 713 is L2, an included angle β formed by projection of the intersection line L2 and an axis L1 on a horizontal plane is 45 degrees, the second clamping block 72 is fixed on the second mounting seat 65, a second clamping concave surface 721 is formed on the second clamping block 72, the cross section of the second clamping concave surface 721 is of a V-shaped structure, the second clamping concave surface 722 is in a V-shaped structure, the intersection line 721 is opposite to the first clamping block 71, the second clamping concave surface 721 is arranged between the upper clamping surface and the second clamping surface 721, the intersection line 3874 and the intersection line 3874 is parallel to the upper clamping surface 3874, the lower clamping surface 3874, the second clamping surface is also formed by the same as the upper clamping line L and the second clamping surface 3, the upper clamping surface 3876, the second clamping surface.
When the sawing machine capable of conducting 45-degree sawing on pipelines works, as shown in fig. 1, 2, 4, 5 and 8, after the pipelines are placed between the first clamping block 71 and the second clamping block 72, the first clamping block 71 moves towards the second clamping block 72 under the action of the clamping cylinder 62 of the clamping transmission mechanism 6, so that the first clamping concave surface 711 of the first clamping block 71 and the second clamping concave surface 721 of the second clamping block 72 act together to position the pipelines, then the band saw blade 4 works to saw the pipelines, an included angle β formed on the horizontal plane by the intersection line L2 of the first clamping surface 712 and the first lower clamping surface 713 of the first clamping block 71 and the axial line L1 of the working saw blade section 41 in the length direction is 45 degrees, an included angle β formed on the horizontal plane by the second upper clamping surface 722 and the second lower clamping surface L3 and the intersection line L2 of the working saw blade section 41 is designed to be 45 degrees, the intersection line L3 and the intersection line L2 of the second clamping surface 722 and the second lower clamping surface are designed to be on the same horizontal plane and parallel to enable the pipeline to be suitable for controlling the sawing efficiency of the pipelines to be high and the pipeline, and the pipeline sawing efficiency of the pipeline is greatly improved.
In order to facilitate the sawing machine which can saw 45 degrees of pipelines to collect and process scrap iron generated by sawing during working and avoid overlarge dust in a production site, as shown in fig. 1, 4, 6 and 7, a cabinet body 8 is further mounted on one side surface of a working table 11, the cabinet body 8 is positioned on the other side of a working saw blade section 41, the cabinet body 8 is composed of a top panel 81, 2 side panels 82, a bottom plate 83 and a front panel 84, and a mesh area 811 is formed on the top panel 81 of the cabinet body 8; the cabinet body 8 is also provided with an iron scrap collecting device 9, and the iron scrap collecting device 9 comprises a conveyor belt mechanism 91, an iron scrap cleaning mechanism 92, a first drawer 93 and a second drawer 94; wherein:
the conveying belt mechanism 91 comprises a main driving roller 911, a slave driving roller 912, a conveying belt 913, a first motor 914 and a fixed seat 915, wherein the main driving roller 911 and the slave driving roller 912 are respectively positioned in the cabinet 8, the main driving roller 911 and the slave driving roller 912 are respectively and rotatably arranged between the front panel 84 of the cabinet 8 and the side surface of the workbench 11, the height from the main driving roller 911 to the ground is higher than that from the slave driving roller 912 to the ground, the conveying belt 913 is wound on the main driving roller 911 and the slave driving roller 912, and the conveying belt 913 is positioned below a mesh area 811 of the top panel 81 of the cabinet 8; the fixed seat 915 is positioned in the cabinet body 8, the fixed seat 915 is installed on the bottom plate 83, the first motor 914 is fixed on the fixed seat 915, and the first motor 914 is used for driving the main driving roller 911 to rotate;
the scrap iron cleaning mechanism 92 comprises a second motor 921 and a scrap iron scraping roller 922, the scrap iron scraping roller 922 is located in the cabinet body 8, the scrap iron scraping roller 922 is rotatably installed between the front panel 84 of the cabinet body 8 and the side surface of the workbench 11, the axis of the scrap iron scraping roller 922, the axis of the main transmission roller 911 and the axis of the auxiliary transmission roller 912 are arranged in parallel, and the scrap iron scraping roller 922 is also abutted against the bottom surface of the conveyor belt 913; the second motor 921 is fixed on the front panel 84 of the cabinet 8, the second motor 921 is used for driving the scrap iron scraping roller 922 to rotate, the second motor 921 is fixed on the outer surface of the front panel 84, and the rotating shaft of the second motor 921 passes through the front panel 84 to drive the scrap iron scraping roller 922 to rotate;
a drawer opening 821 is formed on one side panel 82 of the cabinet body 8; one end of the first drawer 93 is inserted into the cabinet 8 from the drawer opening 821; one end of the second drawer 94 is also inserted into the cabinet 8 from the drawer opening 821, the second drawer 94 is placed on the first drawer 93, the second drawer 94 is located below the driving roller 912 and the scrap iron scraping roller 922, the length of the second drawer 94 is shorter than that of the first drawer 93, and the end plate at the end of the second drawer 94 inserted into the cabinet 8 is a mesh plate 941. This sawing machine that can carry out 45 saw cuts to pipeline is when using, the transmission direction of roller 922 is scraped to iron fillings clearance mechanism 92's iron fillings opposite with the transmission direction of conveyer belt 913, iron fillings are scraped the roller 922 and can be scraped the iron fillings of adhesion on the conveyer belt 913 like this, in addition, this iron fillings collection device 9 that can carry out 45 saw cuts to pipeline has adopted first drawer 93 and second drawer 94 to be formed with the design of echelonment, and the iron fillings among the second drawer 94 can enter into first drawer 93 through mesh plate 941, make the capacity that iron fillings were collected better, it is too big also to have avoided the interior dust of factory building.
In order to make this sawing machine that can carry out 45 saw cuts to the pipeline structure more reasonable, iron fillings are collected and are concentrated more, as shown in fig. 1, still include iron fillings guide 10 on the sawing machine body 1, iron fillings guide 10 is the slope form setting, and iron fillings guide 10 is in the below of work saw blade section 41, and the upper end of this iron fillings guide 10 is fixed on mounting bracket 61, and the mesh region 811 setting on the top panel 81 of the orientation cabinet body 8 of this iron fillings guide 10 lower extreme.
In order to enable the band saw blade 4 of the sawing machine capable of performing 45-degree sawing on the pipeline to rotate for performing sawing operation, as shown in fig. 1, the saw blade rotating mechanism 3 comprises a main driving wheel 31, a secondary driving wheel 32 and a third motor 33; the main driving wheel 31 and the auxiliary driving wheel 32 are respectively and rotatably arranged on the saw frame 2; the band saw blade 4 is wound on the main driving wheel 31 and the auxiliary driving wheel 32; the third motor 33 is mounted on the saw frame 2, and the third motor 33 is used for driving the main transmission wheel 31 to rotate.
In order to keep the band saw blade 4 of the sawing machine capable of performing 45-degree sawing on the pipeline in a tightened state continuously, so that the sawing machine capable of performing 45-degree sawing on the pipeline has a better sawing effect on a workpiece, as shown in fig. 6, a tensioning mechanism 20 is further mounted on the saw frame 2, and the tensioning mechanism 20 comprises a tensioning cylinder 201 and a sliding plate 202; a slide rail 21 is formed on the saw frame 2, and the length direction of the slide rail 21 is the same as that of the working saw blade section 41; the sliding plate 202 is slidably mounted in the sliding rail 21, the sliding rail 21 has two upper and lower sides, and the upper and lower sides of the sliding plate 202 are correspondingly slidably mounted in the 2 sliding rails 21; the tensioning cylinder 201 is fixed on the saw frame 2, the moving direction of a piston rod of the tensioning cylinder 201 is the same as the length direction of the working saw blade section 41, and the piston rod of the tensioning cylinder 201 is fixedly connected with the sliding plate 202 so as to drive the sliding plate 202 to move along the sliding rail 21; the driven wheel 32 is rotatably mounted on the slide plate 202.
In order to enable the saw frame 2 of the sawing machine capable of performing 45-degree sawing on a pipeline to realize up-and-down lifting movement so as to perform sawing operation on a workpiece, as shown in fig. 1, 4 and 6, an up-and-down lifting mechanism 30 is installed on the top surface of a workbench 11, the up-and-down lifting mechanism 30 comprises 2 lifting cylinders 301 and 2 guide pillars 302, the 2 guide pillars 302 are respectively and vertically arranged and fixed on the top surface of the workbench 11, one guide pillar 302 is positioned on the outer side of a first mounting seat 64, the other guide pillar 302 is positioned on the outer side of a second mounting seat 65, the lifting cylinders 301 are respectively installed beside the guide pillars 302, each lifting cylinder 301 is also vertically arranged, and the bottom ends of the lifting cylinders 301 are fixed with the workbench 11; the saw frame 2 is provided with 2 guide sleeves 22, the 2 guide sleeves 22 on the saw frame 2 are correspondingly sleeved on the 2 guide posts 302, and respective piston rods of the 2 lifting cylinders 301 are respectively fixedly connected with the saw frame 2.
In order to adjust the length of the working saw blade section 41 of the sawing machine capable of sawing pipes at 45 degrees, so as to saw pipes with different thicknesses, as shown in fig. 1 and 3, the positioning arms 5 are further respectively mounted on the saw frame 2 through an adjusting mechanism 40; each adjusting mechanism 40 comprises a screw 401, a screw nut 402, a fourth motor 403 and a guide rail bar 404, the screw 401 is rotatably mounted on the saw frame 2, the length direction of the screw 401 is parallel to the length direction of the working saw bar segment 41, the guide rail bar 404 is fixed on the saw frame 2, the length direction of the guide rail bar 404 is the same as the length direction of the screw 401, the screw nut 402 is rotatably arranged on the screw 401 in a penetrating manner, the screw nut 402 is also slidably mounted on the guide rail bar 404, the screw nut 402 is fixedly connected with the positioning arm 5, the fourth motor 403 is mounted on the saw frame 2, and the fourth motor 403 is used for driving the screw 401 to rotate. When the length of the working saw blade section 41 needs to be adjusted, the fourth motors 403 of the 2 adjusting mechanisms 40 are started to rotate the lead screw 401, the lead screw 401 rotates to drive the lead screw nut 402 to move along the guide rail strips 404, and then the 2 positioning arms 5 move oppositely or reversely, so that the length of the working saw blade section 41 is adjusted.

Claims (7)

1. A sawing machine capable of sawing a pipeline at an angle of 45 degrees comprises a sawing machine body, wherein the sawing machine body comprises a workbench, a saw frame capable of moving up and down is mounted on the top surface of the workbench, a saw blade rotating mechanism is mounted on the saw frame, a saw blade is mounted on the saw blade rotating mechanism, 2 positioning arms acting on the saw blade are further mounted on the saw frame, the part, between the 2 positioning arms, of the saw blade is called as a working saw blade section, and the axis of the working saw blade in the length direction is L1; the method is characterized in that: still including pressing from both sides tight drive mechanism and pipeline clamping block group, wherein:
the clamping transmission mechanism comprises a mounting bracket, a clamping cylinder, a sliding block, a first mounting seat and a second mounting seat, the mounting bracket is mounted on the top surface of the workbench and is positioned on one side of the working saw blade section, a slide way is formed on the mounting bracket, and the length direction of the slide way is parallel to the length direction of the working saw blade section; the first mounting seat and the second mounting seat are both positioned on the mounting bracket, and the second mounting seat is fixedly connected with the mounting bracket; the sliding part of the sliding block is arranged in the slideway in a sliding manner and is fixedly connected with the first mounting seat; the clamping cylinder is fixed on the workbench, and a piston rod of the clamping cylinder is connected with the sliding block so as to push the sliding part of the sliding block to move back and forth in the slide way, so that the first mounting seat is close to or far away from the second mounting seat;
the pipeline clamping block set comprises a first clamping block and a second clamping block, the first clamping block is fixed on a first mounting seat, a first clamping concave surface is formed on the first clamping block, the cross section of the first clamping concave surface is of a V-shaped structure, the first clamping concave surface is formed by a first upper clamping surface and a first lower clamping surface, an included angle formed between the first upper clamping surface and the first lower clamping surface is α, the included angle α is in the range of 150-170 degrees, the intersection line of the first upper clamping surface and the first lower clamping surface is L68, an included angle β formed by projection of the intersection line L2 and an axis L1 on a horizontal plane is 45 degrees, the second clamping block is fixed on a second mounting seat, a second clamping concave surface is formed on the second clamping block, the cross section of the second clamping concave surface is of a V-shaped structure, the second clamping concave surface is opposite to the first clamping concave surface of the first clamping block, the second clamping concave surface is formed by a second upper clamping surface and a second lower clamping surface, the intersection line 353523 is parallel to the upper clamping surface, the intersection line is identical to the intersection line 585, and the intersection line is 3874, the same as the upper clamping surface, and the lower clamping surface is also parallel to the lower clamping surface.
2. A sawing machine for 45 ° sawing of pipes according to claim 1 wherein: a cabinet body is also arranged on one side surface of the workbench, the cabinet body is positioned on the other side of the working saw blade section, the cabinet body is composed of a top panel, 2 side panels, a bottom plate and a front panel, and a mesh area is formed on the top panel of the cabinet body; the iron scrap collecting device is also arranged in the cabinet body and comprises a conveyor belt mechanism, an iron scrap cleaning mechanism, a first drawer and a second drawer; wherein:
the conveying belt mechanism comprises a main driving roller, a secondary driving roller, a conveying belt, a first motor and a fixed seat, wherein the main driving roller and the secondary driving roller are respectively positioned in the cabinet body, the main driving roller and the secondary driving roller are respectively and rotatably arranged between the front panel of the cabinet body and the side surface of the workbench, the height from the main driving roller to the ground is higher than that from the secondary driving roller to the ground, the conveying belt is wound on the main driving roller and the secondary driving roller, and the conveying belt is positioned below a mesh area of the top panel of the cabinet body; the fixed seat is positioned in the cabinet body and is arranged on the bottom plate, and the first motor is fixed on the fixed seat and is used for driving the main driving roller to rotate;
the scrap iron cleaning mechanism comprises a second motor and a scrap iron scraping roller, the scrap iron scraping roller is positioned in the cabinet body, the scrap iron scraping roller is rotatably arranged between the front panel of the cabinet body and the side surface of the workbench, the axis of the scrap iron scraping roller, the axis of the main transmission roller and the axis of the auxiliary transmission roller are arranged in parallel, and the scrap iron scraping roller is also abutted against the bottom surface of the conveying belt; the second motor is fixed on the front panel of the cabinet body and is used for driving the scrap iron scraping roller to rotate;
a drawer opening is formed on one side panel of the cabinet body; one end of the first drawer is inserted into the cabinet body from the drawer opening; one end of the second drawer is also inserted into the cabinet body from the drawer opening, the second drawer is placed on the first drawer and is positioned below the transmission roller and the scrap iron scraping roller, the length of the second drawer is shorter than that of the first drawer, and an end plate at the end, inserted into the cabinet body, of the second drawer is a mesh plate.
3. A sawing machine for 45 ° sawing of pipes according to claim 2 characterised in that: still include iron fillings guide spare on the sawing machine body, iron fillings guide spare is the slope form setting, and iron fillings guide spare is in the below of work saw blade section, and the upper end of this iron fillings guide spare is fixed on the mounting bracket, and the mesh region setting on the top panel of the orientation cabinet body of this iron fillings guide spare lower extreme.
4. A sawing machine for 45 ° sawing of pipes according to claim 1 wherein: the saw blade rotating mechanism comprises a main driving wheel, a secondary driving wheel and a third motor; the main driving wheel and the auxiliary driving wheel are respectively and rotatably arranged on the saw frame; the band saw blade is wound on the main driving wheel and the auxiliary driving wheel; the third motor is arranged on the saw frame and used for driving the main driving wheel to rotate.
5. A sawing machine for 45 ° sawing of pipes according to claim 4 characterised in that: the saw frame is also provided with a tensioning mechanism, and the tensioning mechanism comprises a tensioning cylinder and a sliding plate; a slide rail is formed on the saw frame, and the length direction of the slide rail is the same as the length direction of the working saw blade; the sliding plate is slidably arranged in the sliding rail; the tensioning cylinder is fixed on the saw frame, the moving direction of a piston rod of the tensioning cylinder is the same as the length direction of the working saw blade section, and the piston rod of the tensioning cylinder is fixedly connected with the sliding plate so as to drive the sliding plate to move along the sliding rail; the driven wheel is rotatably mounted on the slide plate.
6. A sawing machine for 45 ° sawing of pipes according to claim 1 wherein: the top surface of the workbench is provided with an up-down lifting mechanism, the up-down lifting mechanism comprises 2 lifting cylinders and 2 guide pillars, the 2 guide pillars are respectively fixed on the top surface of the workbench in a vertical arrangement manner, one guide pillar is positioned on the outer side of the first mounting seat, the other guide pillar is positioned on the outer side of the second mounting seat, the side of each guide pillar is also respectively provided with one lifting cylinder, each lifting cylinder is also vertically arranged, and the bottom end of each lifting cylinder is fixed with the workbench; the saw frame is provided with 2 guide sleeves, the 2 guide sleeves on the saw frame are correspondingly sleeved on the 2 guide pillars, and respective piston rods of the 2 lifting cylinders are respectively fixedly connected with the saw frame.
7. A sawing machine for 45 ° sawing of pipes according to claim 1 wherein: each positioning arm is also arranged on the saw frame through an adjusting mechanism; each adjusting mechanism respectively comprises a screw rod, a screw rod nut, a fourth motor and a guide rail strip, wherein the screw rod is rotatably arranged on the saw frame, the length direction of the screw rod is parallel to the length direction of the working saw blade section, the guide rail strip is fixed on the saw frame, the length direction of the guide rail strip is the same as the length direction of the screw rod, the screw rod nut is rotatably arranged on the screw rod in a penetrating mode, the screw rod nut is further slidably arranged on the guide rail strip, the screw rod nut is fixedly connected with the positioning arm, the fourth motor is arranged on the saw frame, and the fourth motor is used for driving the screw rod to rotate.
CN201921383852.8U 2019-08-26 2019-08-26 Sawing machine capable of performing 45-degree sawing on pipeline Active CN210280890U (en)

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CN201921383852.8U CN210280890U (en) 2019-08-26 2019-08-26 Sawing machine capable of performing 45-degree sawing on pipeline

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Application Number Priority Date Filing Date Title
CN201921383852.8U CN210280890U (en) 2019-08-26 2019-08-26 Sawing machine capable of performing 45-degree sawing on pipeline

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111889799A (en) * 2020-07-09 2020-11-06 中国建筑第八工程局有限公司 Multi-steel bar cutting equipment and using method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111889799A (en) * 2020-07-09 2020-11-06 中国建筑第八工程局有限公司 Multi-steel bar cutting equipment and using method thereof

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