A milling saw

Abstract

The application discloses a milling saw, which comprises a base, a cutting seat, two cutting wheels and a clamping mechanism with clamps; the cutting seat is installed on the base and is provided with a through channel; the two cutting wheels are installed on the cutting seat; the clamping mechanism is provided with clamping devices and conveying devices; the cutting seat is located between the two clamping devices; the conveying devices are provided with first conveying devices and second conveying devices; the two clamping devices are located between the first conveying devices and the second conveying devices; the clamping devices are provided with clamping seats; the clamping seats are provided with clamping channels; the clamps are provided with upper clamping plates and side clamping plates; the first conveying devices and the second conveying devices are provided with conveying seats; and the conveying seats are provided with guide conveying wheels; compared with the prior art, the two cutting wheels move in a relative translation mode from the two sides of a steel pipe, the time for cutting the steel pipe is saved, the cutting efficiency is improved, even if a steel pipe with a large size needs to be cut, a larger motor does not need to be replaced for driving, and the power consumption is greatly reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of steel pipe milling sawing equipment, in particular to a kind of milling saw. BACKGROUND

[0002] Steel pipe products in specific application, the manufacturer needs to process steel pipe according to the different needs of customers, and for a variety of different needs, steel pipe factory often uses different milling machine to cut, the existing milling machine mainly includes cutting seat, clamping mechanism and cutting mechanism installed on cutting seat, cutting mechanism has cutting wheel and motor drive device driving cutting wheel rotation, motor drive device is installed on cutting seat, the cutting wheel is outside the side of clamping mechanism, the clamping mechanism has oppositely arranged clamp one and clamp two, the opposite opposite surfaces of clamp one and clamp two are provided with clamping groove for clamping steel pipe in, cutting wheel is outside the output end of clamping groove, and the axis of cutting wheel is consistent with the extension direction of steel pipe, clamp one is integrally formed and fixed on the side of cutting seat, clamp two is above the other side of cutting seat in a way that can be horizontally translated, the rack has moving cylinder driving clamp two to move towards clamp one direction;When applied, drive the moving cylinder, make clamp two away from clamp one, then place the steel pipe in the clamping groove of clamping mechanism, drive the moving cylinder again, clamp one and clamp two clamp the steel pipe, then drive the motor drive device, drive the cutting wheel to rotate, so as to cut the steel pipe.

[0003] The milling machine with the above structure cuts by using a single cutting wheel, so when cutting a large size steel pipe, the cutting wheel needs a long time to translate from one side of the steel pipe to the other side, which makes the cutting time longer and the cutting efficiency lower, and the size of the cutting wheel also needs to be replaced to a larger size to make the cutting wheel cut from one side of the steel pipe to the other side, and the rotation of the large size cutting wheel needs to be driven by a large power motor, which can cause power consumption.

[0004] Therefore, the present application is produced after the inventor makes a deep research on the problem. SUMMARY

[0005] The present application aims to provide a kind of milling saw to solve the problem of low cutting efficiency of the existing milling machine and high power consumption when cutting large size steel pipe.

[0006] In order to achieve the purpose, the present application adopts the following technical scheme:

[0007] A kind of milling saw, including base, clamping mechanism and cutting mechanism installed on base, the cutting mechanism has cutting wheel for cutting steel pipe, the clamping mechanism has clamp;The cutting mechanism has cutting seat, cutting seat is installed on base, cutting seat has the through channel for steel pipe to pass through laterally, cutting wheel is provided with two, two cutting wheels are laterally opposite and are spaced apart, the lateral opposite direction of two cutting wheels is perpendicular to the lateral direction of steel pipe in through channel, two cutting wheels are installed on cutting seat in a manner that can be laterally opposite and can be lifted up and down in through channel;

[0008] The clamping mechanism has clamping device and conveying device, clamping device is provided with two, cutting seat is between two clamping devices, conveying device has first conveying device and second conveying device, two clamping devices are between first conveying device and second conveying device, the clamping device and conveying device are installed on cutting seat, the clamping device has clamping seat, clamping seat has clamping channel that is communicated with through channel, clamp is in clamping channel, clamp has upper clamping plate that can be moved up and down, and two lateral clamping plates that can be laterally opposite and be translated, the lateral opposite direction of two lateral clamping plates is same with the lateral opposite direction of two cutting wheels, first conveying device and second conveying device both have conveying seat, conveying seat is provided with conveying channel that is communicated with clamping channel, conveying channel is provided with two guide conveying wheels that are rotatably arranged, two guide conveying wheels are installed on conveying seat in a manner that can be laterally opposite and be translated.

[0009] With the lateral opposite direction of two cutting wheels as front and back direction, the above-mentioned base is strip-shaped seat body that extends along left and right direction, the above-mentioned cutting seat has upper seat body that extends along left and right direction and portal frame that is vertically arranged on the top surface of upper seat body, portal frame has upper cross beam and two side columns that are oppositely arranged, the distance between two side columns is the through channel, the above-mentioned cutting wheel is installed on side column, the left and right sides of portal frame are both provided with the above-mentioned clamping seat, clamping seat and conveying seat are both installed on upper seat body.

[0010] The top surface of the above-mentioned base is concave downward and has downward recess that extends along left and right direction, the top surface of the above-mentioned base is provided with sliding rail that extends along left and right direction on the front and back sides of downward recess, the bottom surface of the above-mentioned upper seat body is provided with sliding block that is slidingly matched with sliding rail corresponding to sliding rail, the front and back inner groove walls of the above-mentioned downward recess are both provided with meshing rack that extends along left and right direction, the upper seat body is rotatably provided with meshing gear that is in downward recess and is meshed with meshing rack corresponding to two meshing racks, and the upper seat body is provided with rotating driving device that drives meshing gear to rotate corresponding to each meshing gear.

[0011] The rotating driving device has a driving motor, which is vertically installed on the top surface of the upper seat body. The bottom surface of the upper seat body is provided with a shaft sleeve within the lower groove range. The shaft sleeve is located outside the engaging rack and is arranged opposite to the engaging rack. An exposed window is formed in the side wall of the shaft sleeve. The engaging gear has a gear shaft. The engaging gear is sleeved outside the gear shaft and is rotatably installed in the shaft sleeve through the two ends of the gear shaft. The local part of the engaging gear protrudes outside the exposed window. The output shaft of the driving motor extends into the shaft sleeve and is connected with the gear shaft.

[0012] A vertical sliding block is slidingly installed on the left side of the side column. A screw rod extending in the up-down direction is rotatably installed on the left side of the side column. An upper mounting plate extending to the left side of the side column is installed on the top surface of the side column. A rotating motor driving the screw rod to rotate is vertically arranged on the top surface of the upper mounting plate. A vertical screw block screwing with the screw rod is arranged on the right side of the vertical sliding block. A horizontal sliding block is arranged on the left side of the vertical sliding block. A mounting seat for the cutting wheel to rotate thereon is slidingly installed on the left side of the horizontal sliding block. The mounting seat is movably installed on the horizontal sliding block. Two telescopic covers are arranged on the left side of the side column. The horizontal sliding block is between the two telescopic covers. The opposite ends of the two telescopic covers are connected with the horizontal sliding block. The opposite ends of the two telescopic covers are respectively connected with the upper mounting plate and the upper seat body.

[0013] The mounting seat has a mounting part and a rotating part. The mounting part is installed together with the horizontal sliding block. The rotating part is installed on the side of the mounting part facing the through channel. The rotating part partially protrudes from the side of the vertical sliding block facing the through channel. The cutting wheel is rotatably installed on the rotating part on the side of the rotating part facing the through channel and away from the vertical sliding block. The bottom surface and the top surface of the side of the rotating part facing the through channel are recessed to the extending groove outside the rotating part.

[0014] The clamping seat has an upper plate body, a lower plate body, a front plate body, and a rear plate body. The upper plate body extends in the front-rear direction. The front plate body and the rear plate body are vertically arranged between the upper plate body and the lower plate body. The lower plate body is connected with the upper seat body. The upper plate body, the lower plate body, the front plate body, and the rear plate body enclose a hollow square chamber extending in the left-right direction. The hollow square chamber is the clamping channel. The upper clamping plate has a block structure and is in the upper end of the hollow square chamber. The top surface of the upper plate body is vertically provided with an upper moving air cylinder. The output end of the upper moving air cylinder extends downward into the hollow square chamber and is connected with the upper clamping plate. The side clamping plates are vertically arranged in the hollow square chamber and are arranged opposite to each other. The front plate body and the rear plate body are provided with side moving air cylinders on the sides away from the hollow square chamber. The output ends of the side moving air cylinders extend into the hollow square chamber and are connected with the side clamping plates.

[0015] The upper clamping plate is in a square block structure extending in the front-rear direction, and is arranged in parallel with the upper plate body. An upper embedding groove is concavely arranged on the bottom surface of the upper clamping plate. An upper buffer pad is arranged on the bottom surface of the upper clamping plate. An upper embedding block is convexly arranged on the top surface of the upper buffer pad and embedded in the upper embedding groove. The side clamping plate is in a square block structure extending in the up-down direction, and is arranged in parallel with the front plate body and the rear plate body. Installation strips are arranged on the left and right ends of the side of the side clamping plate facing the center position of the hollow square chamber. The installation strips are arranged in the left-right direction. The installation strips are rectangular strips extending in the up-down direction. Side embedding grooves extending in the up-down direction are concavely arranged on the side surface of the installation strips facing the center position of the hollow square chamber. Side buffer pads are arranged on the installation strips. Side embedding blocks are embedded in the side embedding grooves.

[0016] The conveying seat has two horizontal plate bodies and two vertical plate bodies. The two vertical plate bodies are arranged in the front-rear direction and clamped between the two horizontal plate bodies. The two horizontal plate bodies and the two vertical plate bodies enclose a square chamber arranged in the left-right direction. The square chamber is the conveying channel. Two horizontal wire rods are rotatably arranged in the square chamber. The two horizontal wire rods extend in the front-rear direction and are arranged in the up-down direction. Two guide conveying wheels are vertically arranged between the two horizontal wire rods. The conveying seat is provided with a first rotation driving device for driving the two horizontal wire rods to rotate synchronously. The upper and lower ends of the guide conveying wheels are provided with horizontal screw blocks screwing with the horizontal wire rods. The guide conveying wheels rotate between the two horizontal screw blocks.

[0017] The right-side conveying device is the second conveying device. The two horizontal wire rods of the second conveying device are arranged in the left end of the square chamber. Two vertical wire rods are rotatably arranged in the right end of the square chamber of the second conveying device. The two vertical wire rods extend in the up-down direction and are arranged in the front-rear direction. The conveying seat is provided with a second rotation driving device for driving the two vertical wire rods to rotate synchronously. Two guide wheels horizontally arranged between the two vertical wire rods. The front and rear ends of the guide wheels are provided with vertical screw blocks screwing with the vertical wire rods. The guide wheels are rotatably arranged on the two vertical screw blocks.

[0018] The application discloses a milling cutter saw, which is characterized in that the steel pipe is first inserted into the conveying channel on one side and the interval between the two guide conveying wheels on the two sides is adapted to the interval of the steel pipe, then the steel pipe is sequentially inserted into the clamping channel on one side, the through channel, the clamping channel on the other side and the conveying channel on the other side, when the steel pipe passes through the conveying channel, the outer side wall of the steel pipe is in contact with the outer side wall opposite to the two guide conveying wheels, meanwhile, the two conveying guide wheels are relatively rotated, so that the two conveying guide wheels generate a pushing force on the steel pipe, and when the steel pipe is conveyed to the output end, the conveying of the steel pipe is more smooth under the rotating action of the two conveying guide wheels, then according to the length required to be cut, the position of the steel pipe to be cut is pushed to below the two cutting wheels, the upper clamping plate is driven to move downwards, and meanwhile, the two clamping plates are relatively moved, so that the clamping of the steel pipe in the up-down and left-right directions is realized, the two ends of the steel pipe are provided with clamping seats, so that the two ends of the steel pipe can be more stably clamped during cutting, so that the cutting wheels can be more stably cut without angle deviation, finally, the two cutting wheels are relatively moved, so that the cutting wheels cut the steel pipe on the two sides, when the two cutting wheels are about to collide, the other cutting wheel continues to cut, so that the steel pipe is cut off, and the other cutting wheel moves in the opposite direction, so that the collision of the two cutting wheels is avoided; compared with the prior art, the two cutting wheels are used to cut the steel pipe, the two cutting wheels are relatively moved from the two sides of the steel pipe, the time for cutting the steel pipe is saved, the cutting efficiency is improved, even if the steel pipe with a large size needs to be cut, a larger motor does not need to be replaced for driving, and the power consumption is greatly reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the application.

[0020] Figure 2 It is another structural schematic diagram of the application.

[0021] Figure 3 It is a structural schematic diagram of the base of the application.

[0022] Figure 4 It is a structural schematic diagram of the cutting seat of the application.

[0023] Figure 5 It is another structural schematic diagram of the cutting seat of the application.

[0024] Figure 6 It is a structural schematic diagram of the clamping seat of the application.

[0025] Figure 7 It is a structural schematic diagram of the conveying seat of the application. DETAILED DESCRIPTION

[0026] In order to further explain the technical scheme of the application, the following will be described in detail in combination with the drawings.

[0027] The milling cutter saw of the application,Figures 1-7 As shown, it comprises a base 1, a clamping mechanism and a cutting mechanism mounted on the base 1, the cutting mechanism having a cutting wheel 3 for cutting a steel pipe, and the clamping mechanism having a clamp 2; in use, the clamp 2 of the clamping mechanism clamps one end of the steel pipe, and then the cutting wheel 3 is driven to rotate, thereby cutting the steel pipe.

[0028] The cutting mechanism has a cutting seat 4 installed on the base 1, and the cutting seat 4 has a through channel 100 for the steel pipe to pass through laterally; specifically, the front-rear direction is the direction opposite to the lateral direction of the two cutting wheels 3, the base 1 is a strip-shaped seat body extending in the left-right direction, the cutting seat 4 has an upper seat body 41 extending in the left-right direction and a gantry vertically erected on the top surface of the upper seat body 41, the gantry has an upper cross beam 42 and two side columns 43 oppositely arranged in the front-rear direction, the distance between the two side columns 43 is the through channel 100, the cutting wheels 3 are installed on the side columns 43, the top surface of the base 1 is concave downward and has a lower concave groove extending in the left-right direction, the top surface of the base 1 is provided with a slide rail 11 extending in the left-right direction on the left and right sides of the lower concave groove, the slide rail is a cylindrical slide rod, the bottom surface of the upper seat body 41 is provided with a sliding block 411 corresponding to the slide rail 11 and slidingly matched with the slide rail 11, the sliding block 411 is a pulley vertically and rotatably installed on the bottom surface of the upper seat body 41, that is, the bottom surfaces of the front end and the rear end of the upper seat body 41 are concave upward and have rolling grooves for the pulley to roll therein, the pulley is installed in the rolling grooves through a rotating shaft extending in the front-rear direction, the front and rear inner groove walls of the rolling grooves are provided with rotating grooves corresponding to the positions of the front and rear ends of the rotating shaft and for the ends of the rotating shaft to extend into, the front and rear inner groove walls of the lower concave groove of the base 1 are provided with meshing racks 12 extending in the left-right direction, the upper seat body 41 is rotatably provided with meshing gears 13 corresponding to the two meshing racks 12 and meshing with the meshing racks 12 in the lower concave groove, and the upper seat body 41 is provided with rotating driving devices corresponding to the meshing gears 13 and driving the meshing gears 13 to rotate, that is, the rotating driving devices have driving motors 412 vertically installed on the top surface of the upper seat body 41, the bottom surface of the upper seat body 41 is provided with a shaft sleeve 413 in the range of the lower concave groove, the shaft sleeve 413 is a hollow structure and oppositely arranged with the meshing racks 12 outside the meshing racks 12, the side wall of the shaft sleeve 413 is provided with an exposed window (not shown in the figure), the meshing gears 13 have gear shafts (not shown in the figure) and the partial portions of the meshing gears 13 extend out of the exposed window, the meshing gears 13 are sleeved on the gear shafts and rotatably installed in the shaft sleeve 413 through the two ends of the gear shafts, the output shafts of the driving motors 412 extend into the shaft sleeve 413 and are connected with the gear shafts, that is, the inner bottom surface of the shaft sleeve 413 is concave downward and has rotating holes corresponding to the positions of the lower ends of the gear shafts and for the gear shafts to extend into, and the shaft sleeve 413 is provided with an upper bearing (not shown in the figure) sleeved on the gear shaft outside and located above the meshing gears 13 and a lower bearing (not shown in the figure) sleeved on the gear shaft outside and located below the meshing gears 13.In application, the driving motor 412 is driven to rotate, the meshing gear 13 is driven to rotate, the meshing gear 13 and the meshing rack 12 are engaged to drive the meshing gear 13 to rotate left and right along the meshing rack 12, thereby driving the upper seat body 41 to move left and right, when the upper seat body 41 moves, under the cooperation of the sliding block 411 and the sliding rail 11, the upper seat body 41 can move left and right more smoothly and can not deviate from the track; further, under the cooperation of the shaft sleeve 413, the upper bearing and the lower bearing, the meshing gear has upward supporting force for the upper bearing and downward supporting force for the lower bearing, the meshing gear 13 is not suspended during rotation, the cooperation of the meshing gear 13 and the meshing rack 12 is more stable, and further the translation of the upper seat body 41 is more stable.

[0029] The cutting wheels 3 are provided with two, two cutting wheels 3 are transversely opposite and spaced, the transversely opposite direction of the two cutting wheels 3 is perpendicular to the transverse direction of the steel pipe in the through channel 100, and the two cutting wheels 3 are installed on the cutting seat 4 in a manner that can be transversely opposite to the through channel 100 and can be raised and lowered; Specifically, the left side of the side column 43 is slidably installed with a vertical sliding block 431, that is, the left side of the side column 43 is provided with a vertical sliding rail extending in the upward and downward direction on the front and rear ends, the right side of the vertical sliding block 431 is provided with a vertical sliding block which is in sliding cooperation with the vertical sliding rail, the left side of the side column 43 is rotatably installed with a lead screw 432 extending in the upward and downward direction, and the lead screw is between the two vertical sliding rails, the top surface of the side column 43 is installed with an upper mounting plate 433 extending to the left side of the side column 43, and the top surface of the upper mounting plate 433 is vertically provided with a rotating motor 4331 for driving the lead screw 432 to rotate, that is, the output end of the rotating motor 4331 is connected with the lead screw 432, the right side of the vertical sliding block 431 is provided with a vertical screw block (not shown in the figure) which is in screw cooperation with the lead screw 432, and the vertical screw block is between the two vertical sliding blocks, the left side of the side column 43 is provided with a horizontal sliding block 434 outside the left side of the vertical sliding block 431, and the left side of the horizontal sliding block 434 is slidably installed with a mounting seat 5 for the cutting wheel 3 to rotate thereon, the mounting seat is installed on the left side of the horizontal sliding block in a manner that can move forward and backward, that is, the vertical sliding block 431 is in the form of a square plate body extending in the front and rear directions, the upper and lower ends of the left side of the vertical sliding block 431 are provided with horizontal sliding rails extending in the front and rear directions, the right side of the horizontal sliding block 434 is provided with horizontal sliding blocks which are in sliding cooperation with the horizontal sliding rails, and a rotating lead screw (not shown in the figure) extending in the front and rear directions is arranged between the two horizontal sliding rails, the left side of the side column 43 is provided with a rotating block at the left lower end of the rotating lead screw, the rotating block is provided with a lower rotating groove into which the lower end of the rotating lead screw extends, the left side of the horizontal sliding block 434 is provided with a side mounting plate (not shown in the figure) which protrudes to the left, the side mounting plate is provided with a rotating drive motor for driving the rotating lead screw to rotate, the output end of the rotating drive motor is arranged towards the through channel, and the output end of the rotating drive motor is connected with the rotating lead screw, the right side of the horizontal sliding block 434 is provided with a horizontal screw block which is in screw cooperation with the rotating lead screw, and the horizontal screw block is between the two horizontal sliding blocks.Preferably, the left side of the side upright column 43 is provided with two telescopic covers 435, the telescopic cover 435 is an organ protective cover, the telescopic cover 435 is provided with two, the horizontal sliding block 434 is between the two telescopic covers 435, and the opposite ends of the two telescopic covers 435 are connected with the horizontal sliding block 434, the opposite ends of the two telescopic covers 435 are connected with the upper mounting plate 433 and the upper seat 41 respectively, the telescopic cover 435 at the upper end is an upper telescopic cover, and the telescopic cover 435 at the lower end is a lower telescopic cover, that is, the lower end of the upper telescopic cover is connected with the top surface of the horizontal sliding block 434, the upper end of the upper telescopic cover is connected with the upper mounting plate 433, the lower end of the lower telescopic cover is connected with the top surface of the upper seat 41, and the upper end of the lower telescopic cover is connected with the bottom surface of the horizontal sliding block 434, the mounting seat 5 has a mounting portion 51 and a rotating portion 52, the mounting portion 51 is mounted with the left side of the horizontal sliding block 434, the rotating portion 52 is mounted on the side of the mounting portion 51 facing the through channel 100, and the rotating portion 52 partially extends out of the vertical sliding block 431 towards the side of the through channel 100, the cutting wheel 3 is rotatably mounted on the rotating portion 52 at the end of the rotating portion 52 facing the through channel 100 and on the side facing away from the vertical sliding block 431, that is, the opposite ends of the left sides of the two rotating portions 52 are provided with the cutting wheel 3, and the bottom surface and the top surface of the end of the rotating portion 52 facing the through channel 100 are concavely provided with an extension slot extending to the outside of the rotating portion 52; in application, the rotating motor 4331 is driven, the rotating motor 4331 drives the screw rod 432 to rotate in the lower rotating slot, drives the vertical screw block to move up and down along the screw rod, drives the vertical sliding block 431 to move up and down, and makes the vertical sliding block 431 move more stably under the cooperation of the vertical sliding rail and the vertical sliding block, when the vertical sliding block 431 moves upward, the lower telescopic cover is stretched upward and the upper telescopic cover is compressed upward, and vice versa, when the vertical sliding block 431 moves downward, the upper telescopic cover is stretched downward and the lower telescopic cover is compressed downward, under the action of the two telescopic covers, the vertical sliding block 431 at the end portion is buffered when moving up and down, and the horizontal sliding rail, the horizontal sliding block and the screw rod are also dustproof, avoiding dust falling on the screw rod to make it not easy to be screwed with the vertical screw block; similarly, the rotating drive motor is driven, the rotating drive motor drives the rotating screw rod to rotate, drives the mounting seat 5 to move forward and backward, and makes the mounting seat 5 move forward and backward stably under the cooperation of the horizontal sliding rail and the horizontal sliding block, that is, the cutting wheel 3 can be correspondingly controlled to move horizontally and vertically.

[0030] The clamping mechanism has two clamping devices and conveying devices, the clamping devices are provided with two, the cutting seat 4 is between the two clamping devices, the conveying devices have first conveying devices and second conveying devices, the two clamping devices are between the first conveying devices and the second conveying devices, the clamping devices and the conveying devices are all installed on the cutting seat 4, the clamping devices have clamping seats 6, the left and right sides of the gantry are all provided with the clamping seats 6, the clamping seats 6 are installed on the upper seat body 41, the clamping seats 6 have clamping channels 200 which are in communication with the through channels 100, the clamps 2 are in the clamping channels 200, the clamps 2 have upper clamping plates 21 which can move up and down, and two side clamping plates 22 which can move horizontally, the horizontal opposite direction of the two side clamping plates 22 is the same as the horizontal opposite direction of the two cutting wheels 3, specifically, the clamping seats 6 have upper plate bodies 61, lower plate bodies 62, front plate bodies 63 and rear plate bodies 64, the upper plate bodies 61 and the lower plate bodies 64 are all provided along the front and back directions, the front plate bodies 63 and the rear plate bodies 64 are vertically provided between the upper plate bodies 61 and the lower plate bodies 62, and the lower plate bodies 62 are connected with the top surface of the upper seat body 41 through connecting seats 621, the upper plate bodies 61, the lower plate bodies 62, the front plate bodies 63 and the rear plate bodies 64 enclose a hollow square cavity which is provided along the left and right directions, the hollow square cavity is the clamping channel 200, the upper clamping plates 21 are in block structures, and the upper clamping plates 21 are in the upper ends of the hollow square cavities, the top surface of the upper plate bodies 61 is vertically provided with upper moving air cylinders 611, and the output ends of the upper moving air cylinders 611 are downwardly extended into the hollow square cavities and connected with the upper clamping plates 21, the two side clamping plates 22 are vertically provided in the hollow square cavities and are provided opposite to each other, the front plate bodies 63 and the rear plate bodies 64 are provided with side moving air cylinders on the sides away from the hollow square cavities, and the output ends of the side moving air cylinders are extended into the hollow square cavities and connected with the side clamping plates 22; in application, the steel pipe is extended into the clamping channel 200, the upper moving air cylinders 611 are driven, the upper clamping plates 21 are moved downwardly, the steel pipe is clamped between the upper clamping plates 21 and the lower plate bodies 62, the side moving air cylinders are driven, the side moving air cylinders drive the two side clamping plates 22 to move oppositely, so that the steel pipe is clamped between the two side clamping plates, and the clamping of the steel pipe up, down, left and right is realized.

[0031] The first conveying device and the second conveying device each have a conveying seat 7 installed on the upper seat body 41, the conveying seat 7 is provided with a conveying channel 300 penetrating the clamping channel 200, and two guide conveying wheels 8 are vertically arranged in the conveying channel 300 and are transversely adjusted and arranged on the conveying seat 7. Specifically, the conveying seat 7 has two horizontal plate bodies 71 extending along the front-rear direction and two vertical plate bodies 72 arranged between the two horizontal plate bodies 71 along the front-rear direction. The two horizontal plate bodies 71 and the two vertical plate bodies 72 form a square cavity penetrating along the left-right direction, and the square cavity is the conveying channel 300. Two horizontal wire rods 73 are rotatably arranged in the square cavity and extend along the front-rear direction and are arranged along the up-down direction. The two guide conveying wheels 8 are vertically arranged between the two horizontal wire rods 73, and the upper and lower ends of the guide conveying wheels 8 are provided with horizontal screw blocks 81 screwing with the horizontal wire rods 73. The two guide conveying wheels 8 are rotatably arranged between the two horizontal screw blocks 81, that is, the guide conveying wheels are provided with rotating shafts protruding out of the two ends of the guide conveying wheels. The opposite sides of the two horizontal screw blocks 81 are provided with circular notches for the rotating shafts of the guide conveying wheels to protrude into. The guide conveying wheels 8 are cylindrical structures. The conveying seat 7 is provided with a first rotating driving device driving the two horizontal wire rods 73 to synchronously rotate. The two horizontal wire rods 73 protrude out of the front plate body 63 along the front-rear direction. The front side of the front plate body 63 is provided with horizontal speed reducers driving the horizontal wire rods 73 to transversely rotate at positions of the horizontal wire rods 73. The two horizontal speed reducers are connected through a connecting shaft 4321. The vertical plate bodies 72 are provided with horizontal driving motors driving the horizontal speed reducers to work. The horizontal speed reducers, the connecting shaft, and the horizontal driving motors form the first rotating driving device. The horizontal driving motor drives the two horizontal wire rods 73 to simultaneously transversely rotate, which is a technology known to those skilled in the art and will not be described here. In application, the steel pipe is inserted into the conveying channel 300. The horizontal driving motor is driven to make the two horizontal wire rods 73 simultaneously rotate. Under the screwing of the horizontal screw blocks 81 and the horizontal wire rods 73, the two guide conveying wheels 8 can move relative to each other to clamp the front and rear sides of the steel pipe. At the same time, under the action of the notches and the rotating shafts, the guide conveying wheels will rotate when the steel pipe passes between the two guide conveying wheels, thereby generating a rightward pushing force on the front and rear sides of the steel pipe, so that the steel pipe can pass more smoothly.

[0032] The application relates to a milling saw, which is used as follows: first, a steel pipe is inserted into the conveying channel 300 on the left side, and the interval between the two guide conveying wheels on the left and right sides is adapted to the interval between the front and back of the steel pipe; then the steel pipe is sequentially inserted into the clamping channel 200 on the left side, the through channel, the clamping channel on the right side and the conveying channel on the right side; when the steel pipe passes through the conveying channel, the front and back sides of the steel pipe are in contact with the outer side walls opposite to the two guide conveying wheels, and the two conveying guide wheels are relatively rotated, so that the two conveying guide wheels generate a rightward pushing force on the steel pipe, and the steel pipe is more smoothly conveyed to the right under the action of the rotation of the two conveying guide wheels; secondly, according to the length to be cut, the position to be cut of the steel pipe is pushed below the two cutting wheels; then the upper clamping plate 21 in the clamping channel 200 is driven to move downwards by the upper moving air cylinder, so that the steel pipe is clamped by the upper clamping plate 21 and the lower plate body 62 in the upward direction; meanwhile, the two side clamping plates 22 in the clamping channel 200 are driven to relatively move by the side moving air cylinder, so that the steel pipe is clamped by the two side clamping plates in the front-back direction; thus the steel pipe is clamped in the upward-downward and left-right directions, and the two ends of the steel pipe are provided with clamping seats, so that the two ends of the steel pipe can be more stably clamped during cutting, the cutting wheels 3 can be more stably cut without angle deviation, and finally the two cutting wheels 3 are relatively moved, the cutting wheels 3 cut the steel pipe on the front and back sides of the steel pipe, the cutting wheels continue to cut when the two cutting wheels 3 are about to collide, the steel pipe is cut off, the other cutting wheel moves in the opposite direction, and the collision of the two cutting wheels is avoided; or the two cutting wheels are moved to the upper-lower offset position, and the two cutting wheels are relatively moved to cut the steel pipe; compared with the prior art, the two cutting wheels are used to cut the steel pipe, the two cutting wheels are relatively translated from the two sides of the steel pipe, the time for cutting the steel pipe is saved, the cutting efficiency is improved, even if a steel pipe with a large size needs to be cut, a larger motor does not need to be replaced for driving, the power consumption is greatly reduced, the two guide conveying wheels can push and guide the conveying of the steel pipe, the conveying of the steel pipe is more smooth, the steel pipe is clamped during cutting by the two clamping devices, the two cutting wheels do not deviate during cutting, and burrs are not generated during cutting.

[0033] In the application, preferably, the upper clamping plate 21 is in the form of a square block structure extending in the front-rear direction, the upper clamping plate 21 is arranged in parallel with the upper plate body 61, the bottom surface of the upper clamping plate 21 is concave upward to form an upper embedding groove, the bottom surface of the upper clamping plate 21 is provided with an upper buffer pad 211, the top surface of the upper buffer pad 211 is convex upward to form an upper embedding block (not shown in the figure) embedded in the upper embedding groove; the side clamping plate 22 is in the form of a square block structure extending in the up-down direction, the side clamping plate 22 is arranged in parallel with the front plate body 63 and the rear plate body 64, the left and right ends of the side clamping plate 22 towards the side of the center position of the hollow square chamber are provided with mounting strips 221, the mounting strips 221 are arranged in the left-right direction at intervals, the mounting strips 221 are in the form of rectangular strips extending in the up-down direction, and the side of the mounting strips 221 towards the side of the center position of the hollow square chamber is concave to form a side embedding groove extending in the up-down direction, the mounting strips 221 are provided with side buffer pads 2211, and the side buffer pads 2211 are provided with side embedding blocks (not shown in the figure) embedded in the side embedding groove; in application, the upper embedding block on the upper buffer pad 211 is embedded in the upper embedding groove, and the side embedding block of the side buffer pad 2211 is embedded in the side embedding groove, under the action of the upper buffer pad 211 and the side buffer pad 2211, when the upper clamping plate 21 and the side clamping plate 22 clamp the steel pipe, a certain buffering effect can be obtained between the upper clamping plate 21, the side clamping plate 22 and the outer side wall of the steel pipe, so that the outer side wall of the steel pipe is not easily clamped and damaged by the upper clamping plate 21 and the side clamping plate 22.

[0034] In the application, preferably, the conveying device on the right side is the second conveying device, the two horizontal screw rods 73 of the second conveying device are located in the left end of the square chamber, two vertical screw rods 74 are rotatably installed in the right end of the square chamber of the second conveying device, the two vertical screw rods 74 extend in the up-down direction and are arranged in the front-rear direction at intervals, the conveying seat 7 is provided with a second rotation driving device for driving the vertical screw rods 74 to rotate, the mode of the second rotation driving device driving the two vertical screw rods to rotate synchronously is consistent with the mode of the first rotation driving device driving the horizontal screw rods to rotate synchronously, which will not be described here, two guide wheels 741 are arranged between the two vertical screw rods 74, the front and rear ends of the two guide wheels 741 are provided with vertical screw blocks screwing with the vertical screw rods 74, and the guide wheels 741 are rotatably installed between the two vertical screw blocks, and the mode of the guide wheels and the vertical screw blocks being rotatably installed is consistent with the mode of the above-mentioned guide conveying wheels and the horizontal screw blocks being rotatably installed; in application, the second rotation driving device drives the vertical screw rods 74 to rotate, and drives the vertical screw blocks to move up and down along the vertical screw rods, so that the guide wheels move up and down relatively, when the steel pipe passes between the two guide wheels, the guide wheels will rotate to generate a rightward pushing force on the up-down two sides of the steel pipe, so that the steel pipe can pass more smoothly.

[0035] In the application, preferably, the left and right sides of the conveying seat 7 on the top surface of the upper seat body 41 are provided with the clamping seats 6.

[0036] In the application, preferably, the left and right sides of the top surface of the upper seat body 41 are provided with the rack seats 414, the top surface of the rack seat 414 is concave downward and provided with a rack groove penetrating in the left and right directions, the rack groove is rotatably provided with the rack wheel 4141 extending in the front and back directions, that is, the rack wheel 4141 is provided with a rotating shaft extending out of the rack wheel 4141, and the rack wheel 4141 faces the through channel, the front and back inner groove walls of the rack groove are provided with the slot openings for the rotating shaft to rotate in the inner groove walls; in application, the front and back ends of the rotating shaft on the rack wheel 4141 are placed in the slot openings, and then the two ends of the steel pipe are placed on the rack wheel 4141, when the steel pipe is pushed forward, the rack wheel 4141 can make the end of the steel pipe have a rack position and also can be more smoothly moved forward.

[0037] In the application, preferably, the upper seat body 41 is provided with the collecting hopper 415 below the two cutting wheels 3, the collecting hopper 415 can move left and right along with the cutting wheels, the left side of the top surface of the upper seat body 41 is provided with the hydraulic rod 416 extending in the left and right directions, the output end of the hydraulic rod 416 is provided to the right, and the output end of the hydraulic rod 416 is connected with the left side of the collecting hopper 415; in application, when the cutting wheels 3 cut the steel pipe, the cutting chips generated by the steel pipe fall into the collecting hopper 415, when the cutting wheels move left and right, under the action of the hydraulic rod 416, the collecting hopper 415 can move left and right, so as to collect the cutting chips.

[0038] The product form of the application is not limited to the drawings and examples, any appropriate changes or modifications of the similar ideas should be considered as not departing from the scope of the application.

Claims

1. A miter saw comprising a base, a clamping mechanism mounted on the base, and a cutting mechanism, the cutting mechanism having a cutting wheel that cuts a steel pipe, the clamping mechanism having a clamp; characterized in that: The cutting mechanism has a cutting seat installed on the base, the cutting seat has a through channel for the steel pipe to pass through, two cutting wheels are provided, the two cutting wheels are horizontally opposite and spaced, the horizontal opposite direction of the two cutting wheels is perpendicular to the horizontal direction of the steel pipe in the through channel, and the two cutting wheels are installed on the cutting seat in a manner that can horizontally translate into the through channel and can be lifted up and down; The clamping mechanism has clamping devices and conveying devices, the cutting seat is between the two clamping devices, the conveying devices have first conveying devices and second conveying devices, the two clamping devices are between the first conveying devices and the second conveying devices, the clamping devices and the conveying devices are installed on the cutting seat, the clamping devices have clamping seats with clamping channels communicating with the through channel, clamps are in the clamping channels, the clamps have upper clamping plates that can move up and down and two side clamping plates that can horizontally translate, the horizontal opposite direction of the two side clamping plates is the same as the horizontal opposite direction of the two cutting wheels, the first conveying devices and the second conveying devices have conveying seats with conveying channels communicating with the clamping channels, two guide conveying wheels are arranged in the conveying channels, and the two guide conveying wheels are installed on the conveying seats in a manner that can horizontally translate and adjust. The horizontal opposite direction of the two cutting wheels is the front-back direction, the base is a strip-shaped seat body extending in the left-right direction, the cutting seat has an upper seat body extending in the left-right direction and a gantry vertically arranged on the top surface of the upper seat body, the gantry has an upper cross beam and two side columns opposite in the front-back direction, the distance between the two side columns is the through channel, the cutting wheels are installed on the side columns, and the left and right sides of the gantry are each provided with the clamping seat. The left side of the side column is slidably provided with a vertical sliding block, the left side of the side column is rotatably provided with a screw rod extending in the up-down direction, the top surface of the side column is provided with an upper mounting plate extending to the left side of the side column, the top surface of the upper mounting plate is vertically provided with a rotating motor driving the screw rod to rotate, the right side of the vertical sliding block is provided with a vertical screw block screwing with the screw rod, the left side of the vertical sliding block is provided with a horizontal sliding block, the left side of the horizontal sliding block is slidably provided with a mounting seat for the cutting wheel to rotate thereon, the mounting seat is installed on the horizontal sliding block in a front-back movable manner, the left side of the side column is provided with two telescopic covers, the horizontal sliding block is between the two telescopic covers, one end of each of the two telescopic covers is connected with the horizontal sliding block, and the other end of each of the two telescopic covers is connected with the upper mounting plate and the upper seat body respectively. The mounting seat has a mounting portion and a rotating portion, the mounting portion is installed together with the horizontal sliding block, the rotating portion is installed on one side of the mounting portion facing the through channel, and the rotating portion partially protrudes from the vertical sliding block to the side of the through channel, the cutting wheel is rotatably installed on one end of the rotating portion facing the through channel and on the side away from the vertical sliding block, and the bottom surface and the top surface of the one end of the rotating portion facing the through channel are recessed to the outside of the rotating portion to form an extension groove.

2. A mill saw according to claim 1, characterized in that: The top surface of the base is concave and has a concave groove extending in the left-right direction. The top surface of the base is provided with slide rails extending in the left-right direction on both sides of the concave groove. The bottom surface of the upper base body is provided with sliding blocks slidingly matched with the slide rails corresponding to the slide rails. The front and rear inner groove walls of the concave groove are provided with meshing racks extending in the left-right direction. The upper base body is provided with meshing gears rotatingly installed corresponding to the meshing racks and meshing with the meshing racks. The upper base body is provided with rotating driving devices driving the meshing gears to rotate corresponding to the meshing gears.

3. A mill saw according to claim 2, characterised in that: The rotating driving device has a driving motor vertically installed on the top surface of the upper base body. The bottom surface of the upper base body is provided with a shaft sleeve in the range of the concave groove. The shaft sleeve is located outside the meshing racks and is arranged opposite to the meshing racks. The sidewall of the shaft sleeve is provided with an exposed window. The meshing gear has a gear shaft. The meshing gear is sleeved outside the gear shaft and is rotatably installed in the shaft sleeve through the two ends of the gear shaft. The meshing gear partially extends out of the exposed window. The output shaft of the driving motor extends into the shaft sleeve and is connected with the gear shaft.

4. A mill saw according to claim 1, characterized in that: The clamping seat has an upper plate body, a lower plate body, a front plate body and a rear plate body. The upper plate body extends in the front-rear direction. The front plate body and the rear plate body are vertically arranged between the upper plate body and the lower plate body. The lower plate body is connected with the upper base body. The upper plate body, the lower plate body, the front plate body and the rear plate body enclose a hollow square cavity extending in the left-right direction. The hollow square cavity is the clamping channel. The upper clamping plate is in block structure and is located in the upper end of the hollow square cavity. The top surface of the upper plate body is vertically provided with an upper moving cylinder. The output end of the upper moving cylinder extends downward into the hollow square cavity and is connected with the upper clamping plate. The side clamping plates are vertically arranged in the hollow square cavity and are arranged opposite to each other. The front plate body and the rear plate body are provided with side moving cylinders on the sides away from the hollow square cavity. The output ends of the side moving cylinders extend into the hollow square cavity and are connected with the side clamping plates.

5. A mill saw according to claim 4, characterised in that: The upper clamping plate is in square block structure extending in the front-rear direction. The upper clamping plate is arranged in parallel with the upper plate body. The bottom surface of the upper clamping plate is concave upward and is provided with an upper embedding groove. The bottom surface of the upper clamping plate is provided with an upper buffer pad. The top surface of the upper buffer pad is convex upward and is provided with an upper embedding block embedded in the upper embedding groove. The side clamping plate is in square block structure extending in the up-down direction. The side clamping plate is arranged in parallel with the front plate body and the rear plate body. The left and right ends of the side of the side clamping plate facing the center position of the hollow square cavity are provided with mounting strips. The mounting strips are arranged in parallel in the left-right direction. The mounting strips are in rectangular strips extending in the up-down direction. The side of the mounting strips facing the center position of the hollow square cavity is concave and is provided with a side embedding groove extending in the up-down direction. The mounting strips are provided with side buffer pads. The side buffer pads are provided with side embedding blocks embedded in the side embedding grooves.

6. A mill saw according to claim 1, characterized in that: The conveying seat has two horizontal plate bodies and two vertical plate bodies, the two vertical plate bodies are arranged in the front-rear direction and clamped between the two horizontal plate bodies, the two horizontal plate bodies and the two vertical plate bodies enclose a square cavity which is arranged in the left-right direction, the square cavity is the conveying channel, the square cavity is rotatably installed with two horizontal wire rods, the two horizontal wire rods extend in the front-rear direction and are arranged in the up-down direction, the two guide conveying wheels are vertically arranged between the two horizontal wire rods, the conveying seat is installed with a first rotation driving device which drives the two horizontal wire rods to synchronously rotate, and the up-down two ends of the guide conveying wheel are provided with horizontal screw blocks which are screw-engaged with the horizontal wire rods, and the guide conveying wheel rotates between the two horizontal screw blocks.

7. A mill saw according to claim 6, characterised in that: The conveying seat has two horizontal plate bodies and two vertical plate bodies, the two vertical plate bodies are arranged in the front-rear direction and clamped between the two horizontal plate bodies, the two horizontal plate bodies and the two vertical plate bodies enclose a square cavity which is arranged in the left-right direction, the square cavity is the conveying channel, the square cavity is rotatably installed with two horizontal wire rods, the two horizontal wire rods extend in the front-rear direction and are arranged in the up-down direction, the two guide conveying wheels are vertically arranged between the two horizontal wire rods, the conveying seat is installed with a first rotation driving device which drives the two horizontal wire rods to synchronously rotate, and the up-down two ends of the guide conveying wheel are provided with horizontal screw blocks which are screw-engaged with the horizontal wire rods, and the guide conveying wheel rotates between the two horizontal screw blocks.

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