Material conveying device of band sawing machine

Abstract

The utility model relates to the technical field of material conveying devices, in particular to a material conveying device of a band sawing machine, which comprises a material storage component, a material conveying component is arranged on one side of the material storage component, the material storage component comprises a placing frame, and a transfer component is arranged on one side of the placing frame. The transferring assembly comprises a transferring frame, and transferring claws are arranged on the transferring frame. The material conveying assembly comprises a supporting frame, rotatable rotating rollers are arranged on the supporting frame, a rotatable turning plate is arranged on the supporting frame between the rotating rollers, the steel pipes are conveyed to the turning plate from the transferring frame, the turning plate rotates to be used for transferring the steel pipes to the rotating rollers, and a limiting piece is arranged on the supporting frame. Through the arrangement of the limiting pieces, when the multiple steel pipes move on the rotating rollers, the limiting pieces can move in the width direction of the supporting frame, the multiple steel pipes conveyed on the rotating rollers are guided and limited, and compared with the prior art, when the steel pipe conveying device is used, the steel pipes can be prevented from rolling and inclining on the rotating rollers in the axial direction of the rotating rollers; and a subsequent band sawing machine can conveniently cut the workpiece.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of material conveying devices, in particular to a band saw machine material conveying device. BACKGROUND

[0002] In industrial production, when cutting steel pipes, a band saw machine is usually used. Before cutting the steel pipes, a conveying device is used to convey the steel pipes so that they contact the band saw blade on the band saw machine, thereby cutting the steel pipes.

[0003] For example, the patent with the announcement number CN220679553U discloses a horizontal band saw machine, which includes a base, a conveying table, a band saw machine, a lifting cylinder, a bottom groove, a material falling plate, an end plate, a screw rod, a guide rod, a nut, a sliding sleeve, a servo motor, a frame rod, a material pushing rod, an electromagnetic vibrator, a collection frame, a sleeve body, a rod body, a side groove, a connecting rod, and an electric push rod. Although the band saw machine drives the material pushing rod to move horizontally through a left-right horizontal moving mechanism, can push the debris stuck between the conveying rollers to one side of the conveying table, cooperates with the extension drive of the electric push rod, so that the bending part at the top of the material pushing rod is pressed down, which facilitates the pressing down of the debris through the gap and falling onto the material falling plate, thereby avoiding the debris from being stuck between the conveying rollers. However, in the device, when the steel pipes are conveyed on the conveying rollers, the steel pipes are not limited, which can cause the steel pipes to roll and tilt along the conveying roller axis, thereby changing the cutting position of the band saw blade and affecting the cutting of the band saw blade. Therefore, it needs to be improved. CONTENT OF THE UTILITY MODEL

[0004] The present application provides a band saw machine material conveying device to at least solve the above technical problems in the prior art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0006] A band saw machine material conveying device includes a material storage assembly for placing steel pipes. One side of the material storage assembly is provided with a material conveying assembly. The material storage assembly includes a placing rack. One side of the placing rack is provided with a transfer assembly. The transfer assembly is used to transfer the steel pipes on the placing rack to the material conveying assembly in sequence. The transfer assembly includes a transfer rack. A rotatable transfer claw is arranged on the transfer rack. The transfer claw is used to convey the steel pipes on the placing rack to the material conveying assembly. The material conveying assembly includes a support frame. A rotatable rotating roller is arranged on the support frame. A rotatable turning plate is arranged on the support frame between the rotating rollers. The steel pipes are conveyed from the transfer rack to the turning plate. The turning plate is used to transfer the steel pipes to the rotating rollers. A limiting piece is arranged on the support frame for limiting the steel pipes on the rotating rollers.

[0007] As preferred, the limiting member comprises a plurality of first fixing frames arranged on one side of the support frame and a plurality of second fixing frames movably arranged on the other side of the support frame, a driving member is arranged in the support frame for driving the second fixing frames to move, and a lifting member is further arranged on the driving member for driving the second fixing frames to lift.

[0008] As preferred, the driving member comprises a connecting plate, the second fixing frames are mounted on the connecting plate, a first electric push rod is arranged on the support frame, an output end of the first electric push rod is fixedly connected with the connecting plate, and the lifting member comprises a second electric push rod arranged on the connecting plate, the second electric push rod is used for driving the corresponding second fixing frames to lift.

[0009] As preferred, the transfer frame is internally provided with a driving cavity, a rotating rod with one end protruding is oppositely arranged in the driving cavity, the rotating rod is rotatably arranged, a swing arm is fixedly connected with the protruding end of the rotating rod, the transfer claw is rotatably connected with the swing arm, and a power member for driving the rotating rod to synchronously rotate is further arranged in the driving cavity.

[0010] As preferred, the power member comprises a first toothed belt wheel arranged on the rotating rod in the driving cavity, a rotating shaft with one end protruding is oppositely arranged in the driving cavity, the rotating shaft is rotatably arranged, a second toothed belt wheel is arranged on the rotating shaft in the driving cavity, a synchronous toothed belt is arranged between the first toothed belt wheel and the second toothed belt wheel, and the synchronous toothed belt is used for driving the first toothed belt wheel and the second toothed belt wheel to synchronously rotate.

[0011] As preferred, first bearing seats are oppositely arranged on the upper end surface of the support frame at both sides, first fixing shafts are arranged at both ends of the rotating roller, the first fixing shafts are arranged in the corresponding first bearing seats, one end of the first fixing shaft protrudes out of the first bearing seat, two first sprockets are arranged on the protruding end of the first fixing shaft, a first chain is sleeved between the opposite first sprockets of the adjacent first fixing shafts, a second motor is arranged on the upper end surface of the support frame, a second sprocket is arranged on the output end of the second motor, and a second chain is sleeved between the second sprocket and the corresponding first sprocket.

[0012] As preferred, a plurality of second bearing seats are oppositely arranged on the upper end surface of the support frame at both sides, second fixing shafts are arranged at both ends of the turning plate, the second fixing shafts are arranged in the corresponding second bearing seats, a first hinged seat is arranged on the turning plate, an oil cylinder is arranged on the support frame through a second hinged seat, the output end of the oil cylinder is rotatably connected with the second hinged seat, and the oil cylinder is used for driving the turning plate to rotate.

[0013] As preferred, a baffle is arranged on the side of the turning plate away from the transfer frame.

[0014] As preferred, a guide surface is arranged on the upper end surface of the placing frame, and the steel pipe is rotatably arranged on the guide surface.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The utility model discloses a limiting piece is set, make multiple steel pipes move on the rotating roller, limiting piece can move along the width direction of support frame, and the multiple steel pipes that are transported on the rotating roller are guided and limited, compared with the prior art, when using, the utility model discloses can avoid the rolling skew of steel pipe on the rotating roller along the rotating roller axial direction, and it is convenient for subsequent band sawing machine cutting.

[0017] 2. The utility model discloses a lifting piece is set, can adjust the height of second fixed stand, namely when steel pipe falls to the standing turnover board from the transfer frame, can reduce the height of second fixed stand, to avoid the influence of steel pipe and fall to the turnover board, then limiting piece can rise and move to first with fixed stand, to limit steel pipe, and through the above-mentioned structure can also adapt to the steel pipe of different diameters, namely limiting piece can through the change second fixed stand height, and the steel pipe of larger diameter is limited, more convenient to use. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the overall structure schematic diagram of a band sawing machine material conveying device in the utility model.

[0019] Figure 2 It is the sectional view schematic diagram of transfer frame and rest stand in the utility model.

[0020] Figure 3 It is the installation structure schematic diagram of turnover board on mounting frame in the utility model.

[0021] Figure 4 It is the structure schematic diagram of material conveying subassembly in the utility model.

[0022] Figure 5 It is Figure 4 The enlarged view of A in the utility model.

[0023] Figure 6 It is Figure 4 The enlarged view of B in the utility model.

[0024] Figure 7 It is the installation structure schematic diagram of limiting piece on support frame in the utility model.

[0025] Mark explanation in drawing:

[0026] 100, rest stand, 101, steel pipe, 110, transfer frame, 120, support frame, 130, turnover board, 131, baffle, 140, rotating roller,

[0027] 200, drive cavity; 210, rotating rod; 211, first toothed pulley; 212, swing arm; 213, transfer claw; 220, rotating shaft; 221, first motor; 222, second toothed pulley; 223, synchronous toothed belt; 230, intercepting rod; 240, connecting shaft;

[0028] 300, bottom plate; 310, second hinge seat; 311, oil cylinder; 320, first bearing seat; 330, second bearing seat; 331, second fixed shaft; 340, first hinge seat;

[0029] 400, second motor; 411, second sprocket; 420, first fixed shaft; 421, first sprocket; 430, second chain; 440, first chain;

[0030] 500, first fixed frame; 510, second fixed frame; 511, second guide roller; 520, first electric push rod; 530, connecting plate; 540, fixed plate. DETAILED DESCRIPTION

[0031] In order to make the purpose, features and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0032] The above description is only a specific implementation of the present application. Figures 1-7 The present embodiment will be further described in detail.

[0033] Please refer to Figures 1-2 A band saw machine material conveying device in the present embodiment comprises a material storage assembly for placing a steel pipe 101, and a material conveying assembly is arranged on one side of the material storage assembly; the material storage assembly comprises a placing rack 100, and a transfer assembly is arranged on one side of the placing rack 100, and the transfer assembly is used for transferring the steel pipe 101 on the placing rack 100 to the material conveying assembly in sequence; the transfer assembly comprises a transfer rack 110, and a rotatable transfer claw 213 is arranged on the transfer rack 110, and the transfer claw 213 is rotated to convey the steel pipe 101 on the placing rack 100 to the material conveying assembly; the material conveying assembly comprises a support rack 120, and a rotatable rotating roller 140 is arranged on the support rack 120, and a rotatable turnover plate 130 is arranged on the support rack 120 between the rotating rollers 140, the steel pipe 101 is conveyed from the transfer rack 110 to the turnover plate 130, the turnover plate 130 is rotated to transfer the steel pipe 101 to the rotating roller 140, and a limiting piece for limiting the steel pipe 101 on the rotating roller 140 is arranged on the support rack 120.

[0034] In this embodiment, a band sawing machine (not shown in the figure) is arranged at one end of the conveying assembly, which is of a conventional structure and can cut the steel pipes 101 conveyed on the conveying assembly;

[0035] In the conveying of the steel pipes 101, first, the steel pipes 101 are placed side by side on the placing rack 100, the upper end of the placing rack 100 is provided with a guide surface, so that the steel pipes 101 at the upper end of the placing rack 100 will roll down due to gravity until the side close to the transfer rack 110; specifically, the side of the placing rack 100 close to the transfer rack 110 is provided with an intercepting rod 230, when the steel pipes 101 contact the intercepting rod 230, the rolling of the steel pipes 101 will stop, at this time, the transfer claw 213 rotates, which can lift the steel pipes 101 close to the intercepting rod 230 and pass over the intercepting rod 230, with the continuous rotation of the transfer claw 213, the steel pipes 101 fall onto the transfer rack 110 and roll onto the erected turnover plate 130, when the transfer claw 213 rotates several times to transfer the steel pipes 101 onto the turnover plate 130, the turnover plate 130 rotates to transfer the steel pipes 101 to the rotating roller 140, at this time, the limiting member moves to guide and limit the steel pipes 101, so that they are gathered to one side of the rotating roller 140, then the rotating roller 140 rotates to convey the steel pipes 101 to the band sawing machine for subsequent cutting operation;

[0036] In this embodiment, the limiting member is arranged to move along the width direction of the support frame 120 to guide and limit the steel pipes 101 on the rotating roller 140, so that the steel pipes 101 can be closely attached to each other, and then limited on the rotating roller 140, compared with the prior art, in use, the steel pipes 101 can not roll and skew on the rotating roller 140 along the axial direction of the rotating roller 140, which is convenient for subsequent cutting.

[0037] In combination with Figure 7 In this embodiment, the limiting member includes a plurality of first fixed frames 500 arranged on one side of the support frame 120 and a plurality of second fixed frames 510 movably arranged on the other side of the support frame 120, the support frame 120 is provided with a driving member for driving the second fixed frame 510 to move, and the driving member is further provided with a lifting member for driving the second fixed frame 510 to lift.

[0038] In the embodiment, in order to avoid the influence of the friction between the first fixing frame 500, the second fixing frame 510 and the steel pipe 101 in contact with the steel pipe 101 during conveying, the first fixing frame 500 is provided with a rotatable first guide roller, and the second fixing frame 510 is provided with a rotatable second guide roller 511, which contacts the corresponding steel pipe 101, so that the sliding friction between them becomes rolling friction, facilitating the conveying of the steel pipe 101; wherein the two ends of the first guide roller are rotatably installed in the first fixing frame 500 through bearings, and the second guide roller 511 is also rotatably installed in the second fixing frame 510 in the same way;

[0039] In the embodiment, under the action of the driving member, the second fixing frame 510 moves to drive the second guide roller 511 to move towards the first fixing frame 500, so that the second guide roller 511 approaches the corresponding steel pipe 101, and cooperates with the limiting of the first fixing frame 500, so that the steel pipe 101 conveyed on the rotating roller 140 is guided and limited;

[0040] Wherein, through the setting of the lifting member, the height of the second fixing frame 510 can be adjusted, that is, when the steel pipe 101 falls from the transfer frame 110 to the erected turnover plate 130, the height of the second fixing frame 510 can be lowered to prevent the steel pipe 101 from falling onto the turnover plate 130; when limiting the steel pipe 101, the height of the second fixing frame 510 can be raised to limit the steel pipe 101, and the above structure can also adapt to steel pipes 101 of different diameters, that is, the limiting member can limit the steel pipe 101 with larger diameter by changing the height of the second fixing frame 510, which is more convenient to use.

[0041] In combination with Figure 7 As shown in the figure, in the embodiment, the driving member includes a connecting plate 530, and the second fixing frames 510 are all installed on the connecting plate 530, and the driving member further includes a first electric push rod 520 arranged on the support frame 120, and the output end of the first electric push rod 520 is fixedly connected with the connecting plate 530; the lifting member includes a second electric push rod arranged on the connecting plate 530, and the second electric push rod is used to drive the second fixing frame 510 to lift.

[0042] Specifically, the support frame 120 is provided with a fixed plate 540, and the first electric push rod 520 is installed on the fixed plate 540 through bolts, and the first electric push rod 520 can drive the connecting plate 530 to move, thereby realizing the synchronous movement of the plurality of second fixing frames 510;

[0043] In the embodiment, the second fixing frames 510 are all installed on the connecting plate 530 in a lifting manner through the second electric push rod, so as to realize the synchronous lifting of the plurality of second fixing frames 510;

[0044] In actual use, in order to make the movement of the connecting plate 530 more stable, a T-shaped groove is arranged on the support frame 120 along the movement direction of the connecting plate 530, and a T-shaped block is arranged on the side wall of the connecting plate 530 and slides in the T-shaped groove. The cooperation of the T-shaped groove and the T-shaped block limits the movement of the connecting plate 530.

[0045] In combination Figures 1-2 As shown in the drawings, in the embodiment, the transfer frame 110 is provided with a driving cavity 200, and a rotating rod 210 is arranged in the driving cavity 200 and protrudes from one end. The rotating rod 210 is rotatably arranged, and one end of the rotating rod 210 is fixedly connected with a swing arm 212. The two ends of a transfer claw 213 are rotatably connected to the corresponding swing arms 212. The driving cavity 200 is also provided with a power member for driving the rotating rod 210 to rotate synchronously.

[0046] In the embodiment, under the action of the power member, the rotating rods 210 located at the two sides in the driving cavity 200 can rotate synchronously. One end of the rotating rod 210 is fixedly connected with one end of the swing arm 212, and the other end of the swing arm 212 is rotatably connected with the transfer claw 213 through a bearing. When the swing arms 212 located at the two sides rotate synchronously, the transfer claw 213 will rotate, lift the steel pipe 101 located near the intercepting rod 230 of the placing frame 100, and pass over the intercepting rod 230, so that the steel pipe 101 falls to the upper end surface of the transfer frame 110. Under the action of gravity, the steel pipe 101 falls from the top end to the bottom end of the transfer frame 110, and then falls to the erected turnover plate 130.

[0047] In actual use, since the steel pipe 101 has a certain length, in order to improve the stability of the turnover of the steel pipe 101 by the transfer claw 213, a plurality of groups of transfer claws 213 are arranged on the transfer frame 110 in the embodiment.

[0048] In combination Figures 1-2 As shown in the drawings, in the embodiment, the power member includes a first toothed belt wheel 211 arranged on the rotating rod 210. The driving cavity 200 is also provided with a rotating shaft 220 protruding from one end. The rotating shaft 220 is rotatably arranged. A second toothed belt wheel 222 is arranged on the rotating shaft 220 in the driving cavity 200. A synchronous toothed belt 223 is arranged between the first toothed belt wheel 211 and the second toothed belt wheel 222. The synchronous toothed belt 223 is used to drive the first toothed belt wheel 211 and the second toothed belt wheel 222 to rotate synchronously.

[0049] In the embodiment, through the cooperation of the first toothed belt wheel 211, the second toothed belt wheel 222, and the synchronous toothed belt 223, when the rotating shaft 220 rotates, the rotating rod 210 can be driven to rotate synchronously, and then the swing arm 212 and the transfer claw 213 rotate;

[0050] The transfer claw 213 is provided with a groove for hooking the steel pipe 101.

[0051] Specifically, in order to rotate the rotating shaft 220, the outer side of the transfer frame 110 is provided with a first motor 221, the output shaft of the first motor 221 is connected to the rotating shaft 220 through a connecting shaft, so that the first motor 221 can drive the rotating shaft 220 to rotate, and the adjacent rotating shafts 220 are connected through connecting shafts 240, so that the multiple rotating shafts 220 can rotate synchronously, that is, multiple groups of transfer claws 213 rotate synchronously under the action of the first motor 221.

[0052] In combination with Figures 1-2 As shown, in the embodiment, the upper end surface of the support frame 120 and opposite sides are provided with first bearing seats 320 for mounting rotating rollers 140, the two ends of the rotating roller 140 are provided with first fixed shafts 420, the first fixed shafts 420 extend into the corresponding first bearing seats 320, one end of the first fixed shaft 420 extends out of the first bearing seat 320, and the extending end of the first fixed shaft 420 is provided with two first sprockets 421, adjacent first sprockets 421 are sleeved with a first chain 440, and the upper end surface of the support frame 120 is provided with a second motor 400, the output end of the second motor 400 is provided with a second sprocket 411, and the first sprocket 421 and the second sprocket 411 near the second motor 400 are sleeved with a second chain 430.

[0053] In the embodiment, when the second motor 400 is started, it can drive the adjacent first fixed shaft 420 to rotate, and in turn make the rotating roller 140 rotate synchronously, and the steel pipe 101 is conveyed.

[0054] In combination with Figures 1-3 As shown, in the embodiment, the upper end surface of the support frame 120 and opposite sides are provided with second bearing seats 330, the two ends of the turnover plate 130 are provided with second fixed shafts 331, the two ends of the second fixed shaft 331 extend into the corresponding second bearing seats 330, the turnover plate 130 is provided with a first hinge seat 340, and the support frame 120 is hingedly provided with an oil cylinder 311 through a second hinge seat 310, the output shaft of the oil cylinder 311 is hingedly connected to the first hinge seat 340, and the oil cylinder 311 is used to drive the turnover plate 130 to overturn.

[0055] Specifically, in order to realize the installation of the oil cylinder 311, the support frame 120 is provided with a bottom plate 300 for mounting the second hinge seat 310;

[0056] When the oil cylinder 311 works, the turnover plate 130 can be driven to rotate around the second bearing seat 330, so that the turnover plate 130 is perpendicular to the support frame 120, at this time, the turnover plate 130 is erected, and the height of the highest position of the turnover plate 130 is greater than the height of the rotating roller 140, so that the steel pipe 101 falling from the transfer frame 110 falls on the turnover plate 130, and then the turnover plate 130 rotates, the height of the highest position of the turnover plate 130 is less than the height of the rotating roller 140, so that the steel pipe 101 falls on the rotating roller 140, and the rotating roller 140 rotates to convey the steel pipe 101.

[0057] In combination Figures 1-3 As shown in the drawings, in the embodiment, the side, away from the transfer frame 110, of the turnover plate 130 is provided with a baffle 131.

[0058] In the embodiment, the side, contacting the steel pipe 101, of the turnover plate 130 has a certain slope, so that the steel pipe 101 falling from the transfer frame 110 rolls on the turnover plate 130, falls on one side of the turnover plate 130, and is finally intercepted by the baffle 131, so as to prevent the steel pipe 101 from falling out of the turnover plate 130.

[0059] Specifically, the height of the first fixing frame 500 is always higher than the height of the baffle 131, and the side, contacting the steel pipe 101, of the turnover plate 130 is in the same plane as the side of the first guide roller, so that when the steel pipe 101 is on the turnover plate 130 and contacts the baffle 131, when the turnover plate 130 is turned over to make the steel pipe 101 fall on the rotating roller 140, the steel pipe 101 can contact the first guide roller, so that the steel pipe 101 falling from the turnover plate 130 to the rotating roller 140 can be always limited.

[0060] In summary, the above only describes the preferred embodiments of the present application, and any changes and modifications made within the scope of the present application should be covered by the present application.

Claims

1. A band saw conveying device, comprising a storage assembly for holding steel pipes (101), wherein a conveying assembly is provided on one side of the storage assembly, characterized in that: The storage assembly includes a placement rack (100), and a transfer assembly is provided on one side of the placement rack (100). The transfer assembly is used to transfer the steel pipes (101) on the placement rack (100) sequentially to the conveying assembly. The transfer assembly includes a transfer rack (110), and a rotatable transfer claw (213) is provided on the transfer rack (110). The transfer claw (213) rotates to convey the steel pipes (101) on the placement rack (100) to the conveying assembly. The conveying assembly includes a support frame (120). The support frame (120) is provided with a rotatable rotating roller (140), and the support frame (120) located between the rotating rollers (140) is provided with a rotatable flipping plate (130). The steel pipe (101) is transported from the transfer frame (110) to the flipping plate (130). The flipping plate (130) rotates to transfer the steel pipe (101) to the rotating roller (140). The support frame (120) is provided with a limiting member for limiting the steel pipe (101) on the rotating roller (140).

2. The material conveying device for a band saw according to claim 1, characterized in that: The limiting component includes a plurality of first fixed frames (500) disposed on one side of the support frame (120) and a plurality of second fixed frames (510) movably disposed on the other side of the support frame (120). The support frame (120) is provided with a driving component for driving the second fixed frames (510) to move, and the driving component is also provided with a lifting component for driving the second fixed frames (510) to rise and fall.

3. The material conveying device for a band saw according to claim 2, characterized in that: The driving component includes a connecting plate (530), the second fixed frame (510) is mounted on the connecting plate (530), and also includes a first electric push rod (520) disposed on the support frame (120). The output end of the first electric push rod (520) is fixedly connected to the connecting plate (530). The lifting component includes a second electric push rod disposed on the connecting plate (530). The second electric push rod is used to drive the corresponding second fixed frame (510) to lift.

4. The material conveying device for a band saw according to claim 1, characterized in that: The transfer frame (110) is provided with a drive cavity (200), and a rotating rod (210) with one end protruding is provided in the drive cavity (200). The rotating rod (210) is rotatably set, and a swing arm (212) is fixedly connected to the protruding end of the rotating rod (210). The transfer claw (213) is rotatably connected to the swing arm (212). The drive cavity (200) is also provided with a power component that drives the rotating rod (210) to rotate synchronously.

5. A band saw conveying device according to claim 4, characterized in that: The power component includes a first toothed pulley (211) located in the drive cavity (200) of the rotating rod (210). The drive cavity (200) also has a rotating shaft (220) with one end extending out. The rotating shaft (220) is rotatably configured. A second toothed pulley (222) is provided on the rotating shaft (220) located in the drive cavity (200). A synchronous toothed belt (223) is provided between the first toothed pulley (211) and the second toothed pulley (222). The synchronous toothed belt (223) is used to drive the first toothed pulley (211) and the second toothed pulley (222) to rotate synchronously.

6. The material conveying device for a band saw according to claim 1, characterized in that: The upper end face of the support frame (120) is provided with first bearing seats (320) on both sides. The two ends of the rotating roller (140) are provided with first fixed shafts (420). The first fixed shafts (420) extend into the corresponding first bearing seats (320). One end of the first fixed shaft (420) extends out of the first bearing seat (320). The extended end of the first fixed shaft (420) is provided with two first sprockets (421). A first chain (440) is sleeved between the first sprockets (421) opposite each other between adjacent first fixed shafts (420). The upper end face of the support frame (120) is provided with a second motor (400). The output end of the second motor (400) is provided with a second sprocket (411). A second chain (430) is sleeved on the second sprocket (411) and the corresponding first sprocket (421).

7. The material conveying device for a band saw according to claim 1, characterized in that: The upper end face of the support frame (120) and the two sides are provided with multiple second bearing seats (330). The two ends of the flip plate (130) are provided with second fixed shafts (331). The two ends of the second fixed shafts (331) extend into the corresponding second bearing seats (330). The flip plate (130) is provided with a first hinge seat (340). The support frame (120) is provided with a hydraulic cylinder (311) through the second hinge seat (310). The output end of the hydraulic cylinder (311) is rotatably connected to the second hinge seat (310). The hydraulic cylinder (311) is used to drive the flip plate (130) to rotate.

8. A band saw conveying device according to claim 7, characterized in that: A baffle (131) is provided on the side of the flip plate (130) away from the transfer frame (110).

9. A band saw conveying device according to claim 7, characterized in that: The upper end face of the placement rack (100) is provided with a guide surface, and the steel pipe (101) is rolled on the guide surface.

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