CN114850570A

CN114850570A - Column spare cutting device

Info

Publication number: CN114850570A
Application number: CN202210577456.9A
Authority: CN
Inventors: 朱君荣
Original assignee: Zhejiang Jiaxuan Machinery Co ltd
Current assignee: Zhejiang Jiaxuan Machinery Co ltd
Priority date: 2022-05-25
Filing date: 2022-05-25
Publication date: 2022-08-05
Anticipated expiration: 2042-05-25
Also published as: CN114850570B

Abstract

The application relates to a columnar part cutting device which comprises a cutting machine main body and a conveying mechanism used for conveying round steel into the cutting machine main body; the conveying mechanism comprises a supporting seat and a plurality of rollers which are rotatably arranged on the supporting seat, the axes of the rollers are parallel to each other and do not coincide with each other, the arrangement directions of the rollers form a straight line, annular grooves are formed in the wheel surfaces of the rollers and used for accommodating round steel, and the conveying mechanism further comprises a pressing assembly used for fixing the end part of the round steel needing to be cut; compress tightly the subassembly and include and keep away from or compress tightly the cylinder that compresses tightly of round steel with compact heap and drive compact heap, seted up the butt groove on the compact heap, the butt groove runs through the both sides of compact heap along the length direction of round steel, and the cell wall in butt groove is used for the outer wall of butt round steel. The compressing cylinder orders about the compact heap and compresses tightly the round steel fixedly, makes the round steel difficult emergence displacement by the tip of cutting, makes the cutting position accurate to it is accurate to make the gear material.

Description

Column spare cutting device

Technical Field

The application relates to the field of cutting devices, in particular to a columnar part cutting device.

Background

In the production of the gear, the raw material of the gear is usually a cylindrical section formed by cutting round steel, the cylindrical section is heated, melted, die-cast, cooled and the like to obtain a gear forging blank, and the blank is subjected to fine machining to obtain the gear.

The invention patent application with application publication number CN104117727A discloses a novel round steel cutting machine which is provided with a quick and effective feeding device, effectively improves the stability and the accuracy of the round steel cutting process, and effectively reduces the labor intensity. The cutting machine comprises a cutting machine main body and a feeding mechanism, wherein the feeding mechanism comprises a storage unit, a material transferring unit and a feeding unit, the storage unit comprises a box body bracket, a material transferring platform and a storage box, a strip-shaped round steel outlet is formed in one side of the bottom of the storage box, a material transferring pushing port is formed in the other opposite side of the bottom of the storage box, a strip-shaped groove is formed in the top surface of the material transferring platform, one side of the groove, corresponding to the round steel outlet, is an inclined plane, and one side, corresponding to the material transferring pushing port, is a cambered surface; the material transferring unit comprises a plurality of pushing oil cylinders and a push rod, and the push rod reciprocates in the material transferring pushing port towards the direction of a round steel outlet; the feeding unit comprises a feeding frame, roller grooves and rollers, the roller grooves are parallel to the round steel outlet, the rollers are mutually connected in a transmission mode, and the rollers are further connected with a speed reducing motor in a transmission mode.

To the correlation technique among the aforesaid, the inventor thinks above-mentioned loading attachment uses, and in the cutting process, the cutter adopts the impact force of striking to cut the round steel, and the striking makes the round steel take place the displacement easily, leads to the cutting line crooked, influences the precision of cutting.

Disclosure of Invention

In order to improve the precision of cutting, this application provides a column spare cutting device.

The application provides a column spare cutting device adopts following technical scheme:

a columnar part cutting device comprises a cutting machine main body and a conveying mechanism used for conveying round steel into the cutting machine main body; the conveying mechanism comprises a supporting seat and a plurality of idler wheels which are rotatably arranged on the supporting seat, the axes of the idler wheels are parallel to each other and do not coincide with each other, the arrangement directions of the idler wheels form a straight line, an annular groove is formed in the wheel surface of each idler wheel and used for accommodating round steel, and the conveying mechanism further comprises a pressing assembly used for fixing the end part of the round steel needing to be cut;

the compressing assembly comprises a compressing cylinder which is far away from or compresses the round steel together with the compressing block and the driving compressing block, a butt joint groove is formed in the compressing block and penetrates through the two sides of the compressing block along the length direction of the round steel, and the groove wall of the butt joint groove is used for abutting against the outer wall of the round steel.

Through adopting above-mentioned technical scheme, during the use, the round steel is placed on the gyro wheel, drives about the round steel through the workman is manual and removes to cutter main part department on the gyro wheel. The arrangement of the roller wheel enables the round steel to move more conveniently, and the force used when the round steel is manually driven to move is reduced;

before cutting, the compressing cylinder drives the compressing block to a position far away from the round steel, so that the round steel can be conveniently displaced into the cutting machine. During the cutting, compress tightly the cylinder and support the compact heap tightly on the round steel, make the round steel support tightly on the operating position of cutter main part, form fixedly, make the round steel be difficult for taking place the displacement in cutting process, make the accuracy of cutting.

Optionally, the cell wall in butt joint groove includes first skew wall and second skew wall, first skew wall and second skew wall one end interconnect, the other end is towards the direction slope of keeping away from each other, one side that first skew wall and second skew wall are close to each other is used for the butt round steel, the joint seam of first skew wall and second skew wall is parallel with the axis of round steel.

Through adopting above-mentioned technical scheme, first skew wall and the slope of second skew wall set up, when making the round steel diameter change, first skew wall and the skew wall homoenergetic are better compresses tightly fixedly to the round steel, make the cell wall in butt joint groove be suitable for compressing tightly in the round steel of multiple diameter.

Optionally, the compressing assembly further comprises a supporting member and a mounting seat, the compressing cylinder is rotatably arranged on the supporting member by arranging a first rotating rod, the supporting member is provided with an operation opening, two vertical side walls of the operation opening are provided with sliding grooves, a rotating shaft is slidably arranged in the sliding grooves, two ends of the rotating shaft are located in the two sliding grooves, and the mounting seat is provided with a first rotating hole for the rotating shaft to pass through; the pressing block is arranged at the bottom of the mounting seat, and the notch of the abutting groove faces downwards;

the pressing assembly further comprises a positioning assembly, and the positioning assembly comprises a connecting arm, two connecting rods arranged on the connecting arm and a positioning plate arranged at the end part of the connecting rod far away from the connecting arm; the two connecting rods are parallel to each other, the installation seat is positioned between the two connecting rods, and a second rotating hole for the rotating shaft to pass through is formed in the middle of the two connecting rods in the length direction; the middle part of the connecting arm is rotatably connected to the end part of the piston shaft of the compression cylinder through a second rotating rod.

By adopting the technical scheme, before cutting, the compression air cylinder contracts, the connecting rod is driven to rotate around the rotating shaft, the positioning plate rotates downwards and then is used for abutting against the end part of the round steel close to the main body of the cutting machine, meanwhile, the rotating shaft is driven to slide upwards in the sliding groove, the compression block is far away from the round steel, and after the round steel moves towards the direction close to the main body of the cutting machine, the end part of the round steel abuts against the positioning plate;

during cutting, the compressing cylinder extends to enable the rotating shaft to fall down, the compressing block is compressed on the round steel, and meanwhile, the connecting rod rotates to enable the positioning plate to be separated from the end portion of the round steel. The cutter of the cut-off machine main body cuts the round steel, and the columnar section obtained by cutting is discharged from one side close to the positioning plate. The cutting length of the round steel is positioned through the positioning plate, so that the cutting position of the round steel is accurate, and the size of the columnar body obtained by cutting is uniform.

Optionally, the positioning plate is provided with a positioning groove, and the positioning groove is used for the end of the round steel to enter.

Through adopting above-mentioned technical scheme, when the round steel got into the constant head tank, the constant head tank can be to the further adjustment of length direction of round steel, makes the line of cut accurate.

Optionally, the positioning groove is formed by flaring.

Through adopting above-mentioned technical scheme, the setting of flaring makes the round steel conveniently get into the constant head tank in, makes the location effect better, still makes things convenient for breaking away from of locating plate and round steel simultaneously.

Optionally, the transportation mechanism further comprises a moving assembly for driving the round steel to move on the roller, and the moving assembly comprises a moving plate, a synchronous belt, two synchronous wheels and a moving motor for driving the synchronous wheels to rotate; the hold-in range tensioning sets up on two synchronizing wheels, the movable plate is fixed in on the hold-in range, the movable plate is used for the butt round steel to keep away from the tip of cutter main part and orders about the round steel removal.

Through adopting above-mentioned technical scheme, when the round steel was ordered about the removal by the removal subassembly, the end and the movable plate butt of cutter main part were kept away from to the round steel, and the synchronizing wheel is ordered about in the work of moving motor, and the synchronizing wheel drives the hold-in range and rotates, makes the movable plate remove. When a round steel is completely fed into the cutting machine body, the moving plate is conveyed by the synchronous wheels to return to the side far away from the cutting machine body again, and at the moment, a new round steel is placed on the rolling wheel, and the process is repeated. The moving assembly enables round steel to enter the cutting machine main body without manual moving, and one worker can see a plurality of devices to work, so that labor cost is saved.

Optionally, the round steel;

when the round steel is positioned in the material discharging box, the length direction of the round steel is in the horizontal direction, the length direction of the round steel is parallel to the arrangement direction of the plurality of rollers, and the plurality of round steel in the material discharging box are vertically arranged; the push block is arranged on the top surface of the supporting seat in a sliding manner and used for pushing the round steel into the annular groove; the distance between the top surface of the material pushing block and the bottom surface of the material discharging box is smaller than the diameter of the round steel.

By adopting the technical scheme, the round steel is stored in the material discharging box, the round steel is horizontally and vertically arranged, the round steel below supports the round steel above, and the round steel at the lowest part is positioned on the supporting seat, so that only one round steel can be placed on the supporting seat because the distance between the top surface of the material pushing block and the bottom surface of the material discharging box is smaller than the diameter of the round steel; after the round steel on the roller is completely fed into the cutting machine main body, the material pushing cylinder drives the material pushing block to push the round steel into the ring groove on the roller, so that the feeding is realized, and the feeding is convenient.

Optionally, a limiting groove used for limiting the round steel is formed in the top surface of the supporting seat, and the discharge port faces the limiting groove.

Through adopting above-mentioned technical scheme, the spacing groove carries on spacingly to the round steel, when making the round steel drop to the supporting seat from the discharge gate on, the round steel is difficult for in disorder rolling.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the pressing cylinder drives the pressing block to press and fix the round steel, so that the cut end part of the round steel is not easy to displace, the cutting position is accurate, and the gear material is accurate;

2. the connecting arm, the connecting rod and the positioning plate are arranged to position the cutting length of the round steel, so that the cutting length of the round steel is accurate, and the accuracy of gear materials is further improved;

3. through setting up movable plate, hold-in range, two synchronizing wheels and moving motor, make the round steel conveniently send into the main part of cutting off machine automatically in, practice thrift the cost of labor.

4. Through setting up and pushing away the material cylinder, material pushing block and blowing case, make the round steel make things convenient for the material loading to the gyro wheel on, further save workman's labour.

Drawings

Fig. 1 is an overall schematic view of a column cutting device according to an embodiment of the present application.

Fig. 2 is an enlarged view at a of fig. 1.

Fig. 3 is an overall schematic view of the hold-down assembly.

Fig. 4 is a structural display view of the transport mechanism, mainly showing the structures of the synchronizing wheel, the timing belt, the auxiliary wheel, and the auxiliary belt.

Fig. 5 is an enlarged view at B of fig. 4.

Description of reference numerals: 1. a cutter body; 11. an operation port; 111. a cutting-off table; 112. a sliding groove; 113. a rotating shaft; 2. a transport mechanism; 21. a supporting seat; 22. a roller; 221. a ring groove; 3. a compression assembly; 31. a support member; 32. a pressing cylinder; 321. a first rotating lever; 33. a mounting seat; 331. a first rotation hole; 34. a compression block; 341. a butt joint groove; 3411. a first sloped wall; 3412. a second sloped wall; 4. round steel; 5. a positioning assembly; 51. a connecting arm; 511. a second rotating rod; 531. a second rotation hole; 52. positioning a plate; 521. positioning a groove; 53. a connecting rod; 6. a moving assembly; 61. moving the plate; 62. a synchronous belt; 63. a synchronizing wheel; 64. a moving motor; 65. an auxiliary belt; 66. an auxiliary wheel; 7. a feeding mechanism; 71. a material placing box; 711. a discharge port; 712. a limiting groove; 72. a material pushing block; 721. chamfering; 73. push away material cylinder.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses column spare cutting device. Referring to fig. 1, the column cutting apparatus includes a cutter body 1, a conveyance mechanism 2 for feeding round steel 4 into the cutter body 1 to be cut, and a pressing assembly 3 for pressing and fixing the round steel 4 to a cutting table 111 of the cutter body 1.

Referring to fig. 1, the top surface of the cutting table 111 of the cutter body 1 is a horizontal surface, the cutting blade of the cutter body 1 is positioned directly above the cutting table 111, the round bar 4 is positioned on the cutting table 111 of the cutter body 1, and the cutting blade of the cutter body 1 strikes the round bar 4 to cut the round bar 4.

Referring to fig. 1, the conveying mechanism 2 includes a supporting seat 21 and a plurality of rollers 22, the supporting seat 21 is located on one side of the cutting table 111 of the cutting machine main body 1 in the horizontal direction, the plurality of rollers 22 are rotatably connected to the top of the supporting seat 21, the plurality of rollers 22 are uniformly spaced, the rotating shafts of the plurality of rollers 22 are parallel to each other and do not overlap, the plurality of rollers 22 are arranged to form a horizontal straight line, and the extending direction of the straight line is the direction away from or close to the cutting table 111 of the cutting machine main body 1.

Referring to fig. 1, the wheel surface of the roller 22 is coaxially provided with a ring groove 221, the ring grooves 221 of the plurality of rollers 22 are used for accommodating the same round steel 4, and the upward groove wall of the ring groove 221 has the same height as the top surface of the cutting table 111 of the cutting machine body 1, so that the round steel 4 horizontally enters the cutting table 111 of the cutting machine body 1.

Referring to fig. 2, the compressing assembly 3 includes a support 31, a compressing cylinder 32, a mount 33, and a compressing block 34. The supporting member 31 is the cutter body 1, the cutter body 1 is provided with an operation opening 11, and the cutting table 111 of the cutter body 1 is a bottom wall of the operation opening 11. Two vertical groove walls of the operation opening 11 are provided with sliding grooves 112, the extending direction of the sliding grooves 112 is vertical, a rotating shaft 113 is slidably arranged in the sliding grooves 112, and two ends of the rotating shaft 113 are respectively located in the two sliding grooves 112.

Referring to fig. 2 and 3, a first rotation hole 331 for the rotation shaft 113 to pass through is formed in the mounting seat 33, and the mounting seat 33 is rotatably connected to the rotation shaft 113.

Referring to fig. 2, a pressing block 34 is fixed to a side of the mounting seat 33 facing the cutting table 111. One side of the pressing block 34 facing the cutting table 111 is provided with an abutting groove 341 for abutting against the round steel 4, and the abutting groove 341 penetrates through both ends of the pressing block 34 in the length direction of the round steel 4.

Referring to fig. 2, the groove walls of the abutting groove 341 include a first inclined wall 3411 and a second inclined wall 3412, the first inclined wall 3411 and the second inclined wall 3412 are connected to each other at one end, and the grooves at the other end are inclined away from each other in a direction approaching the cutting table 111. The joint between the first inclined wall 3411 and the second inclined wall 3412 is parallel to the longitudinal direction of the round bar 4, and the side where the first inclined wall 3411 and the second inclined wall 3412 are close to each other is used to abut against the round bar 4. The pressing air cylinder 32 drives the mounting seat 33 to slide along the sliding groove 112, so that the pressing block 34 is far away from or close to the cutting table 111, and the pressing block 34 can press and fix the round steel 4 on the cutting table 111.

Referring to fig. 2 and 3, the pressing assembly 3 further includes a positioning assembly 5, and the positioning assembly 5 includes a connecting arm 51, a positioning plate 52 and two connecting rods 53. The length directions of the two connecting rods 53 are parallel to each other, the end parts of the two connecting rods 53 are fixed with the two ends of the connecting arm 51, the positioning plate 52 is fixed at the end part of the two connecting rods 53 far away from the connecting arm 51, and the connecting arm 51, the positioning plate 52 and the end parts of the two connecting rods 53 are connected to form a closed ring. The middle parts of the two connecting rods 53 in the length direction are provided with second rotating holes 531 for penetrating through the rotating shaft 113, the two connecting rods 53 are rotatably connected on the rotating shaft 113, the mounting seat 33 is positioned between the two connecting rods 53, the mounting seat 33 and the positioning plate 52 and the connecting arm 51 are arranged at intervals, and a gap between the mounting seat 33 and the positioning plate 52 is used for a cutting knife of the cutting machine body 1 to pass through.

Referring to fig. 2 and 3, the pressing cylinder 32 is rotatably connected to the outer wall of the cutting machine body 1 by a first rotating rod 321, and the pressing cylinder 32 is located above the operation opening 11. The middle part of the connecting arm 51 is rotatably connected to the piston end of the pressing cylinder 32 by providing a second rotating rod 511, and the first rotating rod 321, the second rotating rod 511 and the rotating shaft 113 are parallel in the length direction.

When the piston end that compresses tightly cylinder 32 contracts, compress tightly cylinder 32 and order about linking arm 51 to go up and locating plate 52 is downthehole, compress tightly piece 34 simultaneously and keep away from cutting off table 111, and round steel 4 gets into operation mouth 11 this moment, and 4 tip butt locating plate 52 of round steel are fixed a position the cutting length of round steel 4.

When the pressing cylinder 32 extends, the pressing block 34 moves downwards to press the round steel 4 on the cutting table 111, meanwhile, the positioning plate 52 rotates upwards, the cutter of the cutting machine main body 1 impacts and cuts the position, between the mounting seat 33 and the pressing plate, of the round steel 4, so that the round steel 4 is cut off, and the positioning plate 52 eliminates the limit of the end part of the round steel 4, so that the cut cylindrical section is discharged after falling conveniently, and the discharge is convenient; and the positioning plate 52 is not easy to displace due to the impact force, so that the positioning plate 52 is kept accurately positioned.

Referring to fig. 3, when locating plate 52 rotated tip towards round steel 4, the face of locating plate 52 towards round steel 4 was vertical direction, and locating plate 52 offered the constant head tank 521 that supplies round steel 4 tip to get into on the lateral wall of round steel 4 pipe, and the notch of constant head tank 521 is the flaring setting, makes round steel 4 conveniently get into and fixes a position in the constant head tank 521.

Referring to fig. 4, the transport mechanism 2 further includes a moving unit 6 for moving the round bar 4 on the roller 22 toward the cutter body 1, and the moving unit 6 includes a moving plate 61, a timing belt 62, two timing wheels 63, and a moving motor 64 for driving the timing wheels 63 to rotate. The synchronizing wheels 63 are rotatably connected to the supporting base 21, the arrangement direction of the two synchronizing wheels 63 is parallel to the arrangement direction of the rollers 22, and the rotating shaft of the synchronizing wheels 63 is parallel to the rotating shaft of the rollers 22. The synchronous belt 62 is connected to two synchronous wheels 63 in a tensioned manner, the moving motor 64 is fixed on the supporting seat 21, and a motor shaft of the moving motor 64 is coaxially fixed with one of the synchronous wheels 63.

Referring to fig. 4, the moving motor 64 is a servo motor, which facilitates control of the rotation speed and the number of rotations. One end of the moving plate 61 is fixed on the synchronous belt 62, when the synchronous belt 62 moves, the moving plate 61 moves along the arrangement direction of the idler wheels 22, when the round steel 4 is placed in the ring groove 221, the moving plate 61 abuts against the end part, far away from the cutting machine main body 1, of the round steel 4 to send the round steel 4 into the cutting machine main body 1 for cutting, and feeding of the round steel 4 is facilitated.

Referring to fig. 4, the moving assembly 6 further includes an auxiliary belt 65 and two auxiliary wheels 66, the auxiliary wheels 66 are rotatably connected to a side of the supporting base 21 away from the synchronizing wheels 63, and the two auxiliary wheels 66 and the two synchronizing wheels 63 are coaxially and fixedly arranged in a one-to-one correspondence manner. The auxiliary belt 65 is connected to two auxiliary wheels 66 in a tensioned manner, and the end of the moving plate 61 away from the timing belt 62 is fixed to the auxiliary belt 65.

Referring to fig. 4, the column cutting apparatus further includes a feed mechanism 7, and the feed mechanism 7 includes a discharge bin 71, a pusher block 72, and a pusher cylinder 73 driving the pusher block 72 to move. The material discharging box 71 is fixed on the supporting seat 21, the material discharging box 71 is located on one side, away from the roller 22, of the auxiliary belt 65, when the round steel 4 is located in the material discharging box 71, the length direction of the round steel 4 is parallel to the arrangement direction of the roller 22, and the arrangement direction of the round steel 4 in the material discharging box 71 is the vertical direction.

Referring to fig. 4 and 5, the bottom of the material discharge box 71 is provided with support legs for suspending and supporting the bottom wall of the material discharge box 71. The bottom wall of the discharging box 71 is provided with a discharging hole 711 in a penetrating way. The length direction of discharge gate 711 is parallel with the length direction of round steel 4, and the width of discharge gate 711 is less than the twice of round steel 4 diameter, and the interval of blowing case 71 diapire to supporting seat 21 top surface is less than the twice of round steel 4 diameter, makes discharge gate 711 once only can a round steel 4 of ejection of compact.

Referring to fig. 4 and 5, a limiting groove 712 for accommodating round steel 4 is formed in the top surface of the supporting seat 21, the limiting groove 712 is located right below the discharge hole 711, the depth of the limiting groove 712 is 1-2cm, and the limiting groove 712 is arranged in an inclined manner near the side wall of the roller 22. In the upward direction, the side wall of the stopper groove 712 close to the roller 22 is inclined in the direction close to the roller 22, so that the round steel 4 can be easily pushed out of the stopper groove 712.

Referring to fig. 4 and 5, the pushing block 72 is slidably disposed on the top surface of the supporting seat 21, the pushing block 72 is located on a side of the limiting groove 712 away from the roller 22, and a length direction of the pushing block 72 is parallel to a length direction of the round steel 4. The material pushing cylinder 73 is fixed on the supporting seat 21, the material pushing cylinder 73 is located on one side of the material pushing block 72 far away from the limiting groove 712, and a piston shaft of the material pushing cylinder 73 is fixed with the material pushing block 72. The top of the side of the pusher block 72 facing the round is provided with a chamfer 721, the chamfer 721 extending to the middle of the top surface of the pusher block 72.

Referring to fig. 4 and 5, the distance between the top surface of the pushing block 72 and the bottom surface of the discharging box 71 is 1-4cm, so that when the pushing block 72 pushes the round steel 4 in the limiting groove 712 to be positioned below the discharging port 711, the round steel 4 in the discharging port 711 does not fall from the gap between the pushing block 72 and the bottom surface of the discharging box 71, but is supported on the top surface of the pushing block 72. When the chamfer 721 enables the pushing block 72 to slide from the lower part of the discharge hole 711 to the direction far away from the roller 22, the round steel 4 slowly falls into the limiting groove 712, the chamfer 721 limits the falling of the round steel 4, so that the round steel 4 is not easy to have large impact force on the supporting seat 21, and the noise is reduced.

The implementation principle of the column piece cutting device in the embodiment of the application is as follows: when the round steel cutting machine is used, the round steel 4 firstly falls into the limiting groove 712 from the discharge hole 711 of the discharge box 71, the pushing cylinder drives the pushing block 72 to push the round steel 4 into the ring groove 221 on the roller 22, and the moving motor 64 drives the synchronizing wheel 63 and the auxiliary wheel 66 to rotate, so that the moving plate 61 abuts against the end part of the round steel 4 to send the round steel 4 into the cutting machine main body 1 for cutting.

Before cutting, compress tightly the piston shaft shrink of cylinder 32, make the tip that locating plate 52 face is located cutter main part 1 towards round steel 4, the length that needs the cutting is confirmed to round steel 4 tip butt locating plate 52, and round steel 4 tip is located putting of round steel 4 and fixes a position in constant head tank 521, then compress tightly cylinder 32 extension, compress tightly compact heap 34 in 4 lateral walls of round steel make round steel 4 compressed tightly be fixed in on cutting off platform 111, cutter main part 1 cuts round steel 4 again, when making cutter main part 1's cutter striking round steel 4, round steel 4 is difficult for the displacement, make round steel 4's cutting position accurate.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A columnar piece cutting device comprises a cutting machine main body (1) and a conveying mechanism (2) used for conveying round steel (4) into the cutting machine main body (1); transport mechanism (2) include supporting seat (21) and rotate a plurality of gyro wheels (22) that set up on supporting seat (21), axis between gyro wheel (22) is parallel to each other and do not coincide, array direction between gyro wheel (22) becomes a straight line, be provided with annular (221) on the wheel face of gyro wheel (22), annular (221) are used for holding round steel (4), its characterized in that: the end part of the round steel (4) to be cut is fixed by the pressing assembly (3);

compress tightly subassembly (3) include with compact heap (34) and drive compact heap (34) keep away from or compress tightly cylinder (32) of round steel (4), butt groove (341) have been seted up on compact heap (34), butt groove (341) run through the both sides of compact heap (34) along the length direction of round steel (4), the cell wall of butt groove (341) is used for the outer wall of butt round steel (4).

2. A column cutting apparatus according to claim 1, wherein: the groove wall of the abutting groove (341) comprises a first inclined wall (3411) and a second inclined wall (3412), one end of the first inclined wall (3411) and one end of the second inclined wall (3412) are connected with each other, the other end of the first inclined wall (3411) and the other end of the second inclined wall (3412) incline towards the direction away from each other, one side, close to each other, of the first inclined wall (3411) and one side, close to each other, of the second inclined wall (3412) are used for abutting against the round steel (4), and a connecting seam of the first inclined wall (3411) and the second inclined wall (3412) is parallel to the axis of the round steel (4).

3. A column cutting apparatus according to claim 2, wherein: the pressing assembly (3) further comprises a supporting piece (31) and a mounting seat (33), the pressing cylinder (32) is rotatably arranged on the supporting piece (31) through a first rotating rod (321), the supporting piece (31) is provided with an operation opening (11), two vertical side walls of the operation opening (11) are provided with sliding grooves (112), a rotating shaft (113) is arranged in the sliding grooves (112) in a sliding mode, two ends of the rotating shaft (113) are located in the two sliding grooves (112), and the mounting seat (33) is provided with a first rotating hole (331) for the rotating shaft (113) to pass through; the pressing block (34) is arranged at the bottom of the mounting seat (33), and the notch of the abutting groove (341) faces downwards;

the pressing assembly (3) further comprises a positioning assembly (5), wherein the positioning assembly (5) comprises a connecting arm (51), two connecting rods (53) arranged on the connecting arm (51) and a positioning plate (52) arranged at the end part, far away from the connecting arm (51), of each connecting rod (53); the two connecting rods (53) are parallel to each other, the mounting base (33) is positioned between the two connecting rods (53), and a second rotating hole (531) for the rotating shaft (113) to pass through is formed in the middle of the two connecting rods (53) in the length direction; the middle part of the connecting arm (51) is rotatably connected with the end part of the piston shaft of the pressing cylinder (32) through a second rotating rod (511).

4. A column cutting apparatus according to claim 3, wherein: a positioning groove (521) is formed in the positioning plate (52), and the end of the round steel (4) enters the positioning groove (521).

5. A column cutting apparatus according to claim 4, wherein: the positioning groove (521) is arranged in a flaring manner.

6. A column cutting apparatus according to claim 1, wherein: the conveying mechanism (2) further comprises a moving assembly (6) for driving the round steel (4) to move on the roller (22), and the moving assembly (6) comprises a moving plate (61), a synchronous belt (62), two synchronous wheels (63) and a moving motor (64) for driving the synchronous wheels (63) to rotate; hold-in range (62) tensioning sets up on two synchronizing wheel (63), moving plate (61) are fixed in on hold-in range (62), moving plate (61) are used for butt round steel (4) to keep away from the tip of cutter main part (1) and drive round steel (4) and remove.

7. A column cutting apparatus according to claim 1, wherein: the round steel round bar feeding device is characterized by further comprising a feeding mechanism (7), wherein the feeding mechanism (7) comprises a material discharging box (71), a material pushing block (72) and a material pushing cylinder (73) for driving the material pushing block (72) to move, the material discharging box (71) is arranged above the supporting seat (21), a material discharging hole (711) for discharging round steel (4) is formed in the bottom of the material discharging box (71), and the material discharging hole (711) faces the top surface of the supporting seat (21);

when the round steel (4) is positioned in the material discharging box (71), the length direction of the round steel (4) is the horizontal direction, the length direction of the round steel (4) is parallel to the arrangement direction of the rollers (22), and the round steel (4) in the material discharging box (71) are vertically arranged; the pushing block (72) is arranged on the top surface of the supporting seat (21) in a sliding mode, and the pushing block (72) is used for pushing the round steel (4) into the annular groove (221); the distance between the top surface of the pushing block (72) and the bottom surface of the discharging box (71) is smaller than the diameter of the round steel (4).

8. A column cutting apparatus according to claim 7, wherein: the top surface of the supporting seat (21) is provided with a limiting groove (712) for limiting the round steel (4), and the discharge hole (711) faces the limiting groove (712).