Steel pipe binding device

Abstract

The invention discloses a steel pipe binding device and relates to the field of steel pipe machining, the steel pipe binding device is used for solving the problem that a steel pipe is prone to slipping in the conveying process, and the steel pipe binding device comprises a rotating device and a driving device, the cutting assembly comprises a first long arm and a second long arm which are arranged side by side, and the first long arm and the second long arm are in transmission connection through a gear and used for driving the first long arm and the second long arm to move oppositely; the transmission assembly is connected with the cutting assembly and used for driving the cutting assembly to move into the movement track of the bandage; the first long arm is provided with a first clamping head with a limiting part which is arranged in a crossed mode, the second long arm is provided with a cutting piece, and the first clamping head is matched with the cutting piece and used for enabling the cutting piece to cut the bandage to complete binding when the bandage is intercepted by the limiting part.

Description

Technical Field

[0001] The present invention relates to the technical field of steel pipe processing, in particular to a steel pipe bundling device. Background Art

[0002] In the manufacturing process of steel pipes, the efficient transportation of steel pipe groups is a key link in the production process. Usually, the steel pipe groups need to be transported to a lifting device, then hoisted onto a crane using the lifting device, and finally transported to the designated workstation by the crane.

[0003] However, during this process, water stains and oil stains often remain on the surface of the steel pipes after cutting, and the outer surface of the steel pipes themselves is relatively smooth. During the lifting and transportation process, the steel pipes inside the steel pipe group are very likely to slip due to insufficient friction between each other, and even loosen and slide out, which poses a great risk.

[0004] Therefore, a new steel pipe bundling device is needed to solve the problem that steel pipes are prone to slipping during transportation. Summary of the Invention

[0005] The purpose of the application is to provide a new steel pipe bundling device that can solve the problem of steel pipes easily slipping during transportation.

[0006] To achieve the above objectives, the embodiments of the present application adopt the following technical solutions: The invention comprises: a rotating device, which is used to place the strap and drive the strap to move around the steel pipe for bundling; a cutting assembly, which comprises a long arm 1 and a long arm 2 arranged side by side, and the long arm 1 and the long arm 2 are connected by a gear 1 for driving the long arm 1 and the long arm 2 to move toward each other; a transmission assembly, which is connected to the cutting assembly and is used to drive the cutting assembly to move into the movement trajectory of the strap; a chuck 1 with a cross-set limiting portion is provided on the long arm 1, and a cutting blade is provided on the long arm 2, and the chuck 1 cooperates with the cutting blade to enable the cutting blade to cut the strap to complete the bundling when the limiting portion intercepts the strap.

[0007] Furthermore, the transmission assembly includes a shell and a drive shaft, a square groove is provided on the shell, a guide rod is provided on the drive shaft, a slider is slidingly provided on the guide rod, a long arm is horizontally arranged on the upper part of the slider, and the slider extends into the square groove to drive the long arm to move along the square groove.

[0008] Furthermore, the long arm 1 and the long arm 2 are slidably arranged on the fixed plate, the gear 1 is rotatably arranged on the fixed plate, the gear 1 is located between the long arm 1 and the long arm 2, and the long arm 1 and the long arm 2 are provided with racks meshing with the gear 1.

[0009] Furthermore, a guide portion is provided at the bottom of gear one, the guide portion is provided with a slope one, a resistance piece is provided at the bottom of body one, the resistance piece is located below the square groove, a resistance portion is provided at the top of the resistance piece, and the resistance portion is located on the motion trajectory of the guide portion, and is used to drive gear one to rotate when the limiting portion intercepts the strap.

[0010] Furthermore, it also includes a driving device 1, which is arranged on the machine body 1 and is used to make the long arm 1 driven by the guide rod to perform a circular motion along the square groove.

[0011] Furthermore, the machine body 1 is composed of a vertical plate and a horizontal plate arranged at the bottom of the vertical plate, and the driving device 1 is arranged on the horizontal plate.

[0012] Furthermore, the output end of the driving device one is arranged horizontally, and two pulley grooves one are provided at the end of the output end, a support frame is provided on the horizontal plate, a connecting shaft one is provided on the support frame, pulley groove two is provided at the left end of the connecting shaft one, a bevel gear two is provided at the right end of the connecting shaft one, gear two and bevel gear one are provided on the driving shaft, and bevel gear one is meshed with bevel gear two.

[0013] Furthermore, the rotating device includes a hollow ring, and the outer side of the hollow ring is provided with meshing teeth that mesh with gear 2, which is used to drive bevel gear 2 through driving device 1 and connecting shaft 1, bevel gear 2 drives bevel gear 1, bevel gear 1 drives gear 2 to rotate, and gear 2 drives the hollow ring to rotate.

[0014] Furthermore, a pulley groove three is provided at the left end of the driving shaft, a vertical rod one is provided at the bottom of the shell, and the vertical rod one is fixedly arranged on the horizontal plate.

[0015] The technical effects are as follows: The binding is started by setting a hollow ring with a rotating shaft to drive the steel pipe group transported by the strap to rotate around the center, and a cutting device is set on one side of the hollow ring to realize automatic binding and automatic cutting of the strap, wherein the cutting device includes a driving shaft driven to rotate by the driving device, and a shell with a square groove is set on the driving shaft, a guide rod is set at the end of the driving shaft, and a long arm with a slider is set on the guide rod to keep the long arm in a horizontally parallel state during the movement, and move around the square groove under the drive of the driving shaft. When the long arm extends forward, the limit part will move to the binding motion trajectory and intercept the strap at the clamp. Between the long arm 1 and the cutting blade, and by arranging a rack meshing with the gear 1 on the inner side of the long arm 1 and the long arm 2, when the long arm 1 is driven to retreat, the inclined surface 1 of the guide part drives the gear 1 to rotate under the interference of the resistance piece below, and drives the long arm 2 forward while the long arm 1 moves backward. During this period, the clamp 1 intercepts the strap and tightens the strap when retreating, and the cutting blade 1 cuts the strap with the assistance of the tensioning force, thereby automatically completing a stage of bundling and cutting of the steel pipe group, and automatically bundling the steel pipes in rows and groups before lifting to prevent the steel pipes from slipping and loosening during transportation, thereby solving the problem of steel pipes slipping easily during transportation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the steel pipe bundling device of the present invention.

[0017] Figure 2 This is a schematic structural diagram of the cutting device of the steel pipe bundling device of the present invention.

[0018] Figure 3 This is a schematic structural diagram of the long arm 1 and the long arm 2 of the steel pipe bundling device of the present invention.

[0019] Figure 4 It is a schematic structural diagram of the first and second clamps of the steel pipe binding device of the present invention.

[0020] Figure 5 Schematic diagram of three movement postures of the long arm 1 of the steel pipe binding device of the present invention.

[0021] Figure 6 It is a structural schematic diagram of the fixing plate of the steel pipe binding device of the present invention.

[0022] Figure 7 It is a structural schematic diagram of the conveying device of the steel pipe bundling device of the present invention.

[0023] Figure 8 It is a structural schematic diagram of the square box of the steel pipe bundling device of the present invention.

[0024] In the accompanying drawings: 1. Conveying device, 2. Guide device, 3. Binding device, 4. Cutting device, 5. Lifting device, 6. Driving device 1, 7. Chuck 1, 8. Chuck 2; 201. Body 2, 202. Guide frame, 203. Box, 204. Rotating wheel, 205. Gear set, 206. Column, 207. Bottom plate, 208. Insert plate, 209. Support plate; 2031, side plate, 2032, connecting buckle, 2033, rotating shaft, 2034, pull rope, 2035, counterweight; 401, drive shaft, 402, housing, 403, guide rod, 404, bushing, 405, long arm 1, 406, vertical rod 1; 4021, cover plate, 4022, square groove, 4031, slide 1; 4051, fixed plate, 4052, slide rail, 4053, slide cover, 4054, long arm 2, 4055, rack, 4056, gear 1, 4057, guide part, 4058, tension spring; 701, limiting part, 702, clamping block 1, 703, cutting piece, 801, clamping block 2. DETAILED DESCRIPTION

[0025] In order to clearly and completely describe the objectives and technical solutions of the present invention and make the advantages more clearly understood, the embodiments of the present invention are further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, not all of them, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended only to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limiting the present invention. Furthermore, the terms "one," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0028] For the purpose of simplicity and illustration, the principles of the embodiments are described primarily with reference to examples. In the following description, many specific details are provided to provide a thorough understanding of the embodiments. However, it will be apparent to those skilled in the art that these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures are not described in detail to avoid unnecessarily obscuring the understanding of these embodiments. In addition, all embodiments may be used in combination with each other. Example

[0029] like Figures 1 to 5 After the pipes on the two lifting devices 5 or between the blocking rods reach a predetermined number, the lifting device 5 is driven to lift the pipe group and drive the double-headed crane to move above the pipe group. After manually tying the two ends of the pipe group, the lifting device 5 and the blocking rod are driven to descend so that the pipe group is hoisted on the two straps lowered by the double-headed crane, and the double-headed crane is operated to pull and transport it to the predetermined position to complete transportation. However, in the above method, there is a risk that the pipes in the middle will loosen and slip out due to tilting and water stains and oil stains between the pipes during transportation. Therefore, it is necessary to bundle the pipes in rows and groups again in advance during the process of stacking them on the lifting device 5 to ensure the stability of the pipes stacked in groups during transportation. The device that can achieve this effect is as follows; The steel pipe binding device comprises a rotating device for placing a binding belt and driving the binding belt to move around a steel pipe group for binding; a cutting assembly comprising a long arm one 405 and a long arm two 4054 arranged side by side, the long arm one 405 and the long arm two 4054 being connected by a gear one 4056 for driving the long arm one 405 and the long arm two 4054 to move towards each other; a transmission assembly connected with the cutting assembly for driving the cutting assembly to move into the movement track of the binding belt; the long arm one 405 is provided with a chuck one 7 with a limiting part 701 arranged in cross, the long arm two 4054 is provided with a cutting sheet 703, the chuck one 7 cooperates with the cutting sheet 703 for cutting the binding belt by the cutting sheet 703 when the limiting part 701 intercepts the binding belt to complete the binding.

[0030] Specific, including the binding device 3, the binding device 3 includes the body one provided with rotating device, rotating device includes hollow ring, hollow ring is located in the middle of the binding device 3, one side of the hollow ring is provided with the drive roller connected with driving device one 6 and the rotating shaft for placing the binding belt;Cutting device 4, cutting device 4 is arranged on the body one, cutting device 4 includes transmission assembly, transmission assembly includes the drive shaft 401 connected with driving device one 6, drive shaft 401 is provided with housing 402 and guide rod 403, housing 402 is provided with square groove 4022 outside, guide rod 403 is provided with strip-shaped sliding groove one 4031 in the middle, square groove 4022 is provided with sliding block, sliding block is provided with cutting assembly, including the long arm one 405 through sliding groove one 4031, long arm one 405 one side is provided with long arm two 4054 side by side, long arm one 405 bottom is provided with fixed plate 4051 with gear one 4056 and guide part 4057, long arm two 4054 inner side is provided with rack 4055 engaged with gear one 4056, long arm one 405 end is provided with chuck one 7 with limit part 701, long arm two 4054 end is provided with chuck two 8 with cutting blade 703 on the left side, guide part 4057 is provided with inclined plane one;Driving device one 6 is used to drive drive shaft 401, so that long arm one 405 is driven by guide rod 403 to make reciprocating motion along square groove 4022;The body one is provided with abutting member located in the inclined plane one movement path of gear one 4056, the hollow ring is provided with rotating shaft for placing the binding belt, limit part 701 is used to intercept the binding belt when long arm one 405 is stretched out, so that the binding belt passes through the gap between the two chucks, under the driving of driving device one 6, the end of long arm one 405 is driven by guide rod 403 to make reciprocating motion along square groove 4022 and rotating strip-shaped sliding groove one 4031, when long arm one 405 retreats from the bottom of square groove 4022, the abutting member is driven by the abutting part to abut the inclined plane one of guide part 4057 to drive gear one 4056 to rotate, so as to drive chuck two 8 of long arm two 4054 to relatively move to chuck one 7 direction, so that cutting blade 703 cuts the binding belt to complete the local binding of workpiece.

[0031] Specific, the binding belt includes adhesive tape, gear one 4056 and long arm one 405 are provided with tension spring 4058 for separating chuck one 7 and chuck two 8, one end of tension spring 4058 is connected with gear one 4056, the other end of tension spring 4058 is connected with long arm one 405, the inner side of long arm one 405 is also provided with rack 4055 engaged with gear one 4056, and the racks of long arm one 405 and long arm two 4054 are located on both sides of gear one 4056, long arm one 405 is slidably arranged on fixed plate 4051 through slide rail 4052, so as to ensure that smaller inclined plane one drives long arm one 405 and long arm two 4054 to make larger movement under the action of gear and rack;Wherein, chuck one is also provided with cutting blade 703, two cutting blades 703 are respectively located in the middle of chuck one and chuck two.

[0032] Specifically, the machine body is composed of a vertical plate and a horizontal plate arranged at the bottom of the vertical plate for support, and the driving device one 6 is arranged on the horizontal plate.

[0033] Specifically, the output end of the driving device one 6 is arranged horizontally, and two belt grooves one are arranged at the end of the output end in sequence. A support frame is arranged on the horizontal plate, a connecting shaft one is arranged on the support frame, a belt groove two is arranged at the left end of the connecting shaft one, a bevel gear one is arranged at the right end of the connecting shaft one, a gear two and a bevel gear two corresponding to the bevel gear one are arranged on the driving roller, and the bevel gear one is arranged in meshing with the bevel gear two.

[0034] Specifically, the outer side of the hollow ring is provided with meshing teeth meshing with the gear two, for driving the bevel gear one through the belt transmission of the driving device one 6 and the connecting shaft one, driving the bevel gear two through the bevel gear one, thereby driving the gear two to rotate and adjust the rotation direction, driving the hollow ring to rotate through the gear two, and winding the steel pipe group through the band on the hollow ring.

[0035] Specifically, the left end of the driving shaft 401 is provided with a belt groove three corresponding to the other belt groove one of the output end of the driving device one 6, so that the belt groove one and the belt groove three can be connected by the belt, and the bottom of the shell 402 is provided with an abutting member, which includes a vertical rod one 406 arranged vertically and fixedly arranged on the horizontal plate, so that the driving device one 6 can drive the connecting shaft one and the driving shaft 401 to rotate at the same time, and ensure that the cutting device 4 and the binding device 3 can move synchronously.

[0036] Specifically, the right end face of the shell 402 is provided with a groove, and the groove is provided with a cover plate 4021 for supporting the driving shaft 401. The gap between the groove and the cover plate 4021 forms a square groove 4022.

[0037] Specifically, the right end of the driving shaft 401 penetrates through the cover plate 4021, and a guide rod 403 is fixedly arranged on the driving shaft 401 and arranged perpendicularly to the driving shaft 401. A sliding cover 4053 is arranged on the right side of the guide rod 403, and the end face of the sliding cover 4053 is provided with a sliding groove two corresponding to the shape of the guide rod 403. A connecting shaft two is arranged on the sliding cover 4053, one end of the connecting shaft two is fixedly arranged with a sliding block, and the other end of the connecting shaft two is arranged with a long arm one 405 through an axle sleeve 404.

[0038] Specifically, the guide rod 403 is arranged on the sliding groove two, the axle sleeve 404 is arranged in the sliding groove one 4031 to reduce friction, and the sliding block is slidingly arranged in the square groove 4022, so that the long arm one 405 is always in a horizontal state.

[0039] Specifically, a chassis is provided at the bottom of gear 1 4056, and the chassis is rotatably provided on the fixed plate 4051. The guide part 4057 is provided at the bottom of the chassis. Relatively inclined slopes 1 are provided at both ends of the guide part 4057, which are used to drive gear 1 4056 to rotate when the slider is located at the bottom of the square groove 4022 and moves backward. At the same time, the slider drives the clamp 1 7 to pull back the strap, and the gear 1 4056 drives the clamp 2 8 to extend forward, so that the cutting blade 703 cuts the strap to complete a stage of binding.

[0040] Specifically, chuck 1 7 and chuck 2 8 are arranged side by side, and the tail parts of the cutting blades 703 of chuck 1 7 and chuck 2 8 are provided with clamp block 1 702 and clamp block 2 801. Clamp block 1 702 of chuck 1 7 is protruding so that when the two clamp blocks 1 702 and clamp block 2 801 are fitted together, the fitting part is located at the upper left of the edge of the cutting blade 703. The limiting part 701 is located above the clamp block of chuck 1 7, and the limiting part 701 is protruding toward chuck 2 8. The clamp block located above the cutting blade 703 is used to tighten the strap during the movement of the steel pipe group, and the clamp block located below the cutting blade 703 is used to pull the strap before the strap is wrapped around the steel pipe group, and is used to assist in cutting the strap while clamping the cut part of the strap, so that it can be driven by the rotating device to carry out the next stage of bundling.

[0041] Specifically, such as Figures 6 to 8 As shown, a guide device 2 is also provided, including a body 201, support plates 209 are provided on both sides of the body 201, an opening is provided on the top of the support plate 209, an insert plate 208 is provided on the left support plate 209, and a guide frame 202 is provided on the support plate 209 for receiving the steel pipe dropped from the conveying device 1. When the weight of the steel pipe reaches a predetermined threshold, the guide frame 202 is pressed down, and the gap between the insert plate 208 and the guide frame 202 increases, so that the steel pipe can be driven to move toward the lifting device 5.

[0042] Specifically, a base plate 207 is provided below the guide frame 202, a gear set 205 is provided on the base plate 207, a support column 206 is provided at the bottom of the base plate 207, the gear set 205 includes a driving gear provided in the middle of the top of the base plate 207 and four driven gears provided around the driving gear, a rotating wheel 204 is provided on the driven gear, a connecting shaft 2 is provided below the driving gear, the end of the connecting shaft 2 is located below the base plate 207, and the connecting shaft 2 is connected to the driving device 2.

[0043] Specifically, a rubber sleeve is provided on the outside of the rotating wheel 204, and a raised portion is provided on the rubber sleeve. An inclined surface is provided at the bottom of the raised portion, which is used to provide friction and restraint during rotation, press the steel pipes in the lower right direction to prevent the steel pipes on both sides from being squeezed out, prevent the steel pipes from slipping and press the steel pipes downward to ensure that the position of the guide frame 202 is low enough to allow the steel pipe group to pass through the gap between the insert plate 208 and the frame.

[0044] Specifically, notches are provided at both ends of the rotating wheel 204 to allow the transported steel pipe group to stop moving intermittently when being bundled.

[0045] Specifically, a second vertical rod is provided on the left side of the guide frame 202, a steering box 203 is provided on the top of the second vertical rod, a counterweight 2035 is provided in the box 203, and is used to pull the guide frame 202 upward to make it reach the limit position. The insert plate 208 is inserted into the guide frame 202, and there is a gap between the insert plate 208 and the bottom of the guide frame 202. The spacing of the gap is less than the height of the steel pipe, thereby blocking the steel pipe. When the weight of the steel pipe in the guide frame 202 is greater than the counterweight 2035, the guide frame 202 falls, increasing the gap and enabling the wheel 204 to contact the steel pipe, driving the several steel pipes in the guide frame 202 to pass through the bundling device 3 and move toward the lifting device 5. At the same time, after the steel pipe group is extended to a certain distance, the guide frame 202 is tilted in the conveying direction under the action of its gravity, and the steel pipe group quickly slides out to complete the bundling.

[0046] Specifically, a rotating shaft 2033 is provided in the square box 203, a spiral groove is provided on the rotating shaft 2033, a slide groove is provided at the lower left side of the rotating shaft 2033, a connecting buckle 2032 is provided on the slide groove, one end of the connecting buckle 2032 is fixedly set on the guide frame 202, and a pull rope 2034 is provided at the other end of the connecting buckle 2032. The pull rope 2034 bypasses the spiral groove and connects to the counterweight block 2035. A spring and a bracket for supporting the spring are provided at the bottom of the counterweight block 2035. A roller for reducing friction can also be provided at the bottom of the plug plate 208.

[0047] The working process includes: setting a guide frame 202 on the body 201 of the guide device 2, setting a feed port on the top of the guide frame 202, and setting a rotating wheel 204 on both sides to connect to the driving device 2, driving the rotating wheel 204 to push the row of steel pipes to move through friction, and setting notches on both sides of the rotating wheel 204 to ensure that the steel pipe group intermittently pauses briefly during bundling to ensure stable bundling. A hollow ring is rotatably provided on the body of the binding device 3, and a strap sleeve shaft is provided on the edge of the hollow ring. The output end of the bottom driving device 6 is connected to the driving roller to drive the hollow ring to rotate; a hollow ring with a rotating shaft is provided to drive the strap to rotate around the center, and a cutting device 4 is provided on one side of the hollow ring to realize automatic binding and cutting of the strap, wherein the cutting device 4 includes a driving shaft 401 driven to rotate by the driving device 6, and a shell 402 with a square groove 4022 is provided on the driving shaft 401, and a guide rod 403 is provided at the end of the driving shaft 401, and a long arm 405 with a slider is provided on the guide rod 403 so that the long arm 405 remains in a parallel state during the movement, such as Figure 5The left side view shows that the long arm 405 is provided with a fixed plate 4051 with a gear 1 4056 and a guide portion 4057 at the bottom of the long arm 1 405, and the long arm 1 405 and the long arm 2 4054 are both slidably provided on the fixed plate 4051 through a slide rail 4052, and a rack meshing with the gear 1 4056 is provided on the inner side of the long arm 1 405 and the long arm 2 4054, so that the gear 1 4056 can be rotated under the interference of the interference member below, and the long arm 1 4055 can be driven to move forward while the long arm 1 405 moves backward, as shown in FIG. Figure 5 From the middle view to the right side view, the clamping block 1 702 and the clamping block 2 801 clamp the strap, and the cutting piece 703 cuts the strap with the assistance of the tensioning force, thereby automatically completing a stage of bundling and cutting of the steel pipe group. Before lifting, the steel pipes are automatically bundled in rows and groups to prevent them from slipping and loosening during transportation. The lifting device 5 cooperates with the baffle bars on both sides to tilt and lift so that the steel pipes are automatically stacked under the action of gravity to facilitate the lifting of the double-headed crane, thereby solving the problem of steel pipes easily slipping during transportation.

[0048] Although the above describes the illustrative specific implementation methods of the present application so that those skilled in the art can understand the present application, the present application is not limited to the scope of the specific implementation methods. For those of ordinary skill in the art, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations based on the concept of the present application are protected.

Claims

1. A steel pipe bundling device, characterized in that: include: A rotating device, the rotating device is used to place the strap and drive the strap to move around the steel pipe for binding; A cutting assembly, the cutting assembly comprising a long arm 1 and a long arm 2 arranged side by side, the long arm 1 and the long arm 2 being connected by a gear 1 for driving the long arm 1 and the long arm 2 to move toward each other; a transmission assembly connected to the cutting assembly and configured to drive the cutting assembly to move into the motion trajectory of the strap; The first long arm is provided with a chuck with a cross-set limiting portion, and the second long arm is provided with a cutting piece. The first chuck cooperates with the cutting piece. When the limiting portion intercepts the binding strap, the cutting piece cuts the binding strap to complete the bundling of the steel pipe.

2. The steel pipe binding device according to claim 1, characterized in that: It also includes a body 1, on which the rotating device is arranged, and a rotating shaft is rotatably arranged on the rotating device, and the rotating shaft is used to place the strap.

3. The steel pipe binding device according to claim 2, characterized in that: The transmission assembly includes a shell and a drive shaft, a square groove is provided on the shell, a guide rod is provided on the drive shaft, a slider is slidably provided on the guide rod, the long arm 1 is horizontally arranged on the upper part of the slider, and the slider extends into the square groove to drive the long arm 1 to move along the square groove.

4. The steel pipe binding device according to claim 1, characterized in that: The long arm 1 and the long arm 2 are slidably arranged on a fixed plate through a slide rail, and the gear 1 is rotatably arranged on the fixed plate. The gear 1 is located between the long arm 1 and the long arm 2, and the long arm 1 and the long arm 2 are provided with racks that mesh with the gear 1.

5. The steel pipe binding device according to claim 3, characterized in that: A guide portion is provided at the bottom of the gear one, and the guide portion is provided with an inclined surface one. A resistance piece is provided at the bottom of the body one, and the resistance piece is located below the square groove. A resistance portion is provided on the top of the resistance piece, and the resistance portion is located on the motion trajectory of the guide portion, so that the resistance piece can drive the gear one to rotate when the limiting portion intercepts the strap.

6. The steel pipe binding device according to claim 3, characterized in that: It also includes a driving device 1, which is arranged on the machine body 1 and is used to make the long arm 1 driven by the guide rod to perform a circular motion along the square groove.

7. The steel pipe binding device according to claim 6, characterized in that: The machine body 1 is composed of a vertical plate and a horizontal plate arranged at the bottom of the vertical plate, and the driving device 1 is arranged on the horizontal plate.

8. The steel pipe binding device according to claim 7, characterized in that: The output end of the driving device is arranged horizontally, and two pulley grooves are provided at the end of the output end. A support frame is provided on the horizontal plate, and a connecting shaft is provided on the support frame. A pulley groove is provided on the left end of the connecting shaft, and a bevel gear is provided on the right end of the connecting shaft. Gear 2 and bevel gear 1 are provided on the driving shaft, and the bevel gear 1 is meshed with the bevel gear 2.

9. The steel pipe binding device according to claim 8, characterized in that: The rotating device includes a hollow ring, and meshing teeth engaged with the gear 2 are provided on the outside of the hollow ring, which is used to drive the bevel gear 2 through the cooperation of the driving device 1 and the connecting shaft 1, and the bevel gear 2 drives the bevel gear 1, and the bevel gear 1 drives the gear 2 to rotate, and the gear 2 drives the hollow ring to rotate.

10. The steel pipe binding device according to claim 9, characterized in that: A pulley groove three is provided at the left end of the driving shaft, a vertical rod one is provided at the bottom of the shell, and the vertical rod one is fixedly provided on the horizontal plate.

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