Drawing device for stainless steel pipe manufacturing

Abstract

The invention belongs to the technical field of stainless steel pipe machining, and particularly relates to a drawing device for stainless steel pipe manufacturing, the drawing device comprises a feeding table, a material conveying table, a mold and a discharging table, the feeding table, the mold and the discharging table are sequentially placed, the material conveying table is fixedly connected to the side face of the feeding table, the lower end of the material conveying table is arranged on the upper surface of the feeding table, and the mold is arranged on the discharging table. A material conveying assembly is arranged on the material conveying table, a steel pipe drawing assembly and an automatic discharging assembly are arranged on the discharging table, and a plurality of fixing frames are fixedly connected to the lower surface of the feeding table in a linear array mode. The conveying table is arranged on the side face of the feeding table, the limiting plate, the second rotating shaft and the shifting piece are arranged on the conveying table, a steel pipe storage space is formed between the limiting plate and the side plate, the first motor drives the second rotating shaft to rotate, then the shifting piece is driven to rotate, and therefore steel pipes are automatically conveyed to the feeding table.

Description

Technical Field

[0001] The invention belongs to the technical field of stainless steel pipe processing, and in particular relates to a drawing device used for manufacturing stainless steel pipes. Background Art

[0002] The drawing process of stainless steel pipe refers to the process of first processing the front end of the columnar stainless steel blank into a very thin end, then placing the thin end in the drawing die, using a device at the other end of the die to bite the stainless steel end, and then gradually stretching it out to obtain a stainless steel product of the required shape and size.

[0003] Existing publication number CN219112532U discloses a drawing device for stainless steel pipe manufacturing, including a shell, a lifting frame is arranged on the lower side of the front and rear side walls of the inner cavity of the shell, the front and rear side walls of the inner cavity of the lifting frame are evenly provided with limiting wheels, the outer wall of the limiting wheel is provided with an arc-shaped annular groove, and a motor is arranged on the left side of the bottom wall of the inner cavity of the shell.

[0004] The existing drawing devices for stainless steel pipe manufacturing still have the following shortcomings: 1. The existing drawing device still needs manual loading. Since the stainless steel billet is long and heavy, it is not conducive to manual handling, which will cause low loading efficiency and thus affect production efficiency.

[0005] 2. The steel pipe will deviate during the transportation process and can only be drawn individually. Multiple steel pipes cannot be processed at the same time.

[0006] 3. The existing device adopts manual collection method for the stretched steel pipe. Because the stretched steel pipe is relatively thin, it is easy to be deformed by manual collection, which will affect the shape of the product and produce a large defective rate. Summary of the invention

[0007] The purpose of the present invention is to provide a drawing device for stainless steel pipe manufacturing to address the problems mentioned in the above background technology, such as manual loading affects efficiency, steel pipes are prone to deviation during transportation, and steel pipes are prone to bending due to uneven force when they are collected.

[0008] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a drawing device for manufacturing stainless steel pipes, comprising a feeding table, a material transfer table, a mold and a material discharging table, wherein the feeding table, the mold and the material discharging table are placed in sequence, the material transfer table is fixedly connected to the side of the feeding table, the lower end of the material transfer table is arranged on the upper surface of the feeding table, the material transfer table is provided with a material transfer assembly, and the material discharging table is provided with a steel pipe drawing assembly and an automatic unloading assembly; The lower surface of the feeding platform is fixedly connected to a plurality of fixed frames in a linear array, the upper surface of the feeding platform is evenly provided with three material troughs, a No. 1 rotating shaft is fixedly connected between the inner side surfaces of the material troughs, the material troughs are rotatably connected to a clamping plate via the No. 1 rotating shaft, and five telescopic columns are fixedly connected to the end of the feeding platform away from the mold, and a push plate is fixedly connected to the end of the telescopic column.

[0009] Furthermore, the width of the material trough is set to 1.1 times the diameter of the steel pipe, the depth of the material trough is set to 1.2 times the diameter of the steel pipe, the upper surface of the pallet is flush with the upper surface of the feeding platform, the length of the pallet is equal to 0.4 times the width of the material trough, and the thickness of the pallet is equal to 0.2 times the diameter of the steel pipe.

[0010] Furthermore, the material transfer assembly includes a side plate, a No. 1 motor, a limiting plate, a No. 2 rotating shaft and a paddle, the side plate is fixedly connected to the side of the material transfer platform, the No. 1 motor is fixedly connected to the outer side of the side plate, the limiting plate is fixedly connected between the two side plates, the No. 2 rotating shaft is rotatably connected between the two side plates, a plurality of the paddles are fixedly connected to the side of the No. 2 rotating shaft in a circular array, and the output end of the No. 1 motor is fixedly connected to one end of the No. 2 rotating shaft.

[0011] Furthermore, the distance between the limiting plate and the material transfer platform is maintained at 1.5 times the diameter of the steel pipe, the paddle is tangent to the upper surface of the material transfer platform, the second rotating shaft is arranged on the side of the limiting plate close to the material transfer platform, and the distance between the ends of two adjacent paddles is set to 1.2 times the diameter of the steel pipe.

[0012] Furthermore, the mold is arranged on a side of the feeding platform away from the push plate, three drawing slots are provided on the mold, and a support base is fixedly connected to the lower surface of the mold.

[0013] Furthermore, the discharging platform is arranged on a side of the mold away from the feeding platform, and a transmission groove and two slide grooves are provided on the upper surface of the discharging platform, and the transmission groove is arranged between the two slide grooves. The steel pipe drawing assembly includes a reciprocating screw, a No. 2 motor, a clamping member and a power box. The reciprocating screw is rotatably connected to the inner side of the transmission groove, the No. 2 motor is fixedly connected to the side of the discharging platform, and the output end of the No. 2 motor is fixedly connected to one end of the reciprocating screw, the clamping member is threadedly connected to the reciprocating screw, and the two sides of the lower end of the clamping member are slidably connected in the slide groove, and the power box is fixedly connected to the side of the clamping member.

[0014] Furthermore, the clamping member is provided with three through slots, and the inner side surfaces of the through slots are slidably connected with four arc-shaped clamping blocks in a ring array.

[0015] Furthermore, the automatic unloading assembly includes a micro motor, a rotating plate, a third rotating shaft, a lifting plate, a telescopic rod, a sensor and a pad. The micro motor, the pad and the sensor are fixedly connected to the upper surface of the discharge platform. The micro motor and the pad are respectively arranged on both sides of two slide grooves. The sensor is arranged on one side of the micro motor. The third rotating shaft is fixedly connected to the output end of the micro motor. The rotating plate is fixedly connected to the third rotating shaft. The lifting plate is rotatably connected to one end of the rotating plate through a rotating shaft. The telescopic rod is fixedly connected between the rotating plate and the lifting plate.

[0016] Compared with the existing technology, the advantages of the drawing device for stainless steel pipe manufacturing are: 1. The present invention sets a material transfer platform on the side of the feeding platform, and sets a limiting plate, a second rotating shaft and a paddle on the material transfer platform. A steel pipe storage space is formed between the limiting plate and the side plate. The second rotating shaft is driven to rotate by the first motor, and then the paddle is driven to rotate, so that the steel pipe is automatically transported to the feeding platform.

[0017] 2. The present invention arranges three material troughs on the feeding table so that the steel pipes transported to the feeding table are snap-connected in the material troughs to avoid deviation and sliding during transportation, and a No. 1 rotating shaft and a clamping plate are provided on the upper side of the material trough. When a steel pipe rolls to the top of the material trough, it will automatically fall into the material trough after automatically bending the clamping plate. When the second steel pipe rolls to the top of the material trough where the steel pipe is already placed, it can only continue to roll forward due to the effect of the clamping plate and the steel pipe counteracting each other, and then fall into the second material trough. In this way, three steel pipes can be processed at one time during the drawing process, thereby improving production efficiency.

[0018] 3. The present invention arranges an automatic unloading component above the discharge platform. When the sensor senses that the clamp has moved past, the micro motor controls the third rotating shaft to drive the rotation of the rotating plate. After the other end of the rotating plate is rotated above the pad, the drawn steel pipe will be placed above it. After the clamp releases the steel pipe, the telescopic rod can be used to lift the lifting plate, thereby realizing automatic unloading of the steel pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a front view structural schematic diagram of a drawing device for manufacturing a stainless steel pipe provided by the present invention; Figure 2 It is a side structural schematic diagram of a drawing device for manufacturing a stainless steel pipe provided by the present invention; Figure 3 yes Figure 2 A magnified view of part A; Figure 4 It is a side and top structural schematic diagram of a drawing device for manufacturing a stainless steel pipe provided by the present invention; Figure 5 Figure 4A magnified view of part B; Figure 6 It is a structural schematic diagram of a discharging table of a drawing device for manufacturing stainless steel pipes provided by the present invention; Figure 7 yes Figure 6 Enlarged view of part C; Figure 8 The present invention provides a schematic diagram of the structure of a die and a clamping member of a drawing device for manufacturing a stainless steel pipe.

[0020] In the figure, 1 is a feeding table, 11 is a fixing frame, 12 is a material trough, 13 is a rotating shaft No. 1, 14 is a clamping plate, 15 is a telescopic column, 16 is a pushing plate, 2 is a material transfer table, 21 is a side plate, 22 is a motor No. 1, 23 is a limiting plate, 24 is a rotating shaft No. 2, 25 is a paddle, 3 is a mold, 31 is a drawing slot, 32 is a supporting base, 4 is a discharging table, 41 is a transmission trough, 42 is a slide trough, 43 is a reciprocating screw rod, 44 is a motor No. 2, 45 is a clamp, 46 is a power box, 47 is a micro motor, 48 is a rotating plate, 49 is a rotating shaft No. 3, 410 is a lifting plate, 411 is a telescopic rod, 412 is a sensor, 413 is a cushion block, 414 is a through slot, and 415 is an arc clamp block. DETAILED DESCRIPTION

[0021] The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

[0022] like Figure 1-Figure 8 As shown, a drawing device for manufacturing stainless steel pipes includes a feeding table 1, a transfer table 2, a mold 3 and a discharging table 4. The feeding table 1, the mold 3 and the discharging table 4 are placed in sequence, the transfer table 2 is fixedly connected to the side of the feeding table 1, the lower end of the transfer table 2 is arranged on the upper surface of the feeding table 1, the transfer table 2 is provided with a transfer assembly, and the discharging table 4 is provided with a steel pipe drawing assembly and an automatic unloading assembly; The lower surface of the feeding platform 1 is fixedly connected with a plurality of fixing frames 11 in a linear array, and three material troughs 12 are evenly arranged on the upper surface of the feeding platform 1. A No. 1 rotating shaft 13 is fixedly connected between the inner side surfaces of the material troughs 12, and the material troughs 12 are rotatably connected with a clamping plate 14 through the No. 1 rotating shaft 13. Five telescopic columns 15 are fixedly connected to the end of the feeding platform 1 away from the mold 3, and a push plate 16 is fixedly connected to the end of the telescopic column 15. The width of the material trough 12 is set to 1.1 times the diameter of the steel pipe, and the depth of the material trough 12 is set to 1.2 times the diameter of the steel pipe. The upper surface of the clamping plate 14 is flush with the upper surface of the feeding platform 1, and the length of the clamping plate 14 is equal to 0.4 times the width of the material trough 12. The thickness is equal to 0.2 times the diameter of the steel pipe. By setting three material troughs 12 on the feeding platform 1, the steel pipes transported to the feeding platform 1 are connected to the material troughs 12 to avoid deviation and sliding during transportation. A No. 1 rotating shaft 13 and a clamping plate 14 are provided on the upper side of the material trough 12. When a steel pipe rolls to the top of the material trough 12, it will automatically fall into the material trough 12 after the clamping plate 14 is automatically bent. When the second steel pipe rolls to the top of the material trough 12 where the steel pipe is already placed, it can only continue to roll forward due to the effect of the clamping plate 14 and the steel pipe counteracting each other, and then fall into the second material trough 12. In the drawing process, three steel pipes can be processed at one time, thereby improving production efficiency. The material transfer assembly includes a side plate 21, a No. 1 motor 22, a limiting plate 23, a No. 2 rotating shaft 24 and a paddle 25. The side plate 21 is fixedly connected to the side of the material transfer platform 2, the No. 1 motor 22 is fixedly connected to the outer side of the side plate 21, the limiting plate 23 is fixedly connected between the two side plates 21, the No. 2 rotating shaft 24 is rotatably connected between the two side plates 21, and a plurality of paddles 25 are fixedly connected to the side of the No. 2 rotating shaft 24 in a circular array. The output end of the No. 1 motor 22 is fixedly connected to one end of the No. 2 rotating shaft 24. By arranging the material transfer platform 2 on the side of the feeding platform 1, and arranging the limiting plate 23, the No. 2 rotating shaft 24 and the paddle 25 on the material transfer platform 2, a steel pipe storage space is formed between the limiting plate 23 and the side plate 21, and the No. 1 motor 22 drives the No. 2 rotating shaft 24 to rotate, thereby driving the paddle 25 to rotate, so that the steel pipe is automatically transported to the feeding platform 1; The distance between the limiting plate 23 and the material conveying platform 2 is maintained at 1.5 times the diameter of the steel pipe, the paddle 25 is tangent to the upper surface of the material conveying platform 2, the second rotating shaft 24 is arranged on the side of the limiting plate 23 close to the material conveying platform 1, and the distance between the ends of two adjacent paddles 25 is set to 1.2 times the diameter of the steel pipe; The mold 3 is arranged on a side of the feeding platform 1 away from the push plate 16. Three drawing slots 31 are arranged on the mold 3. A support base 32 is fixedly connected to the lower surface of the mold 3. The discharge platform 4 is arranged on the side of the mold 3 away from the feeding platform 1. The upper surface of the discharge platform 4 is provided with a transmission groove 41 and two slide grooves 42. The transmission groove 41 is arranged between the two slide grooves 42. The steel pipe drawing assembly includes a reciprocating screw rod 43, a second motor 44, a clamping member 45 and a power box 46. The reciprocating screw rod 43 is rotatably connected to the inner side of the transmission groove 41, the second motor 44 is fixedly connected to the side of the discharge platform 4, the output end of the second motor 44 is fixedly connected to one end of the reciprocating screw rod 43, the thread of the clamping member 45 is connected to the reciprocating screw rod 43, the two sides of the lower end of the clamping member 45 are slidably connected in the slide groove 42, and the power box 46 is fixedly connected to the side of the clamping member 45; The clamping member 45 is provided with three through slots 414, and the inner side of the through slots 414 is slidably connected with four arc-shaped clamping blocks 415 in a circular array; The automatic unloading assembly includes a micro motor 47, a rotating plate 48, a third rotating shaft 49, a lifting plate 410, a telescopic rod 411, a sensor 412 and a cushion block 413. The micro motor 47, the cushion block 413 and the sensor 412 are fixedly connected to the upper surface of the discharge table 4. The micro motor 47 and the cushion block 413 are respectively arranged on both sides of the two slide grooves 42. The sensor 412 is arranged on one side of the micro motor 47. The third rotating shaft 49 is fixedly connected to the output end of the micro motor 47. The rotating plate 48 is fixedly connected to the third rotating shaft 49. The lifting plate 410 is rotated by the rotating shaft. It is movably connected to one end of the rotating plate 48, and the telescopic rod 411 is fixedly connected between the rotating plate 48 and the lifting plate 410. By arranging an automatic unloading component above the discharge platform 4, when the sensor 412 senses that the clamping piece 45 has moved through, the micro motor 47 controls the third rotating shaft 49 to drive the rotation of the rotating plate 48. After the other end of the rotating plate 48 is rotated to above the pad 413, the drawn steel pipe will be placed above it. After the clamping piece 45 releases the steel pipe, the telescopic rod 411 can be used to lift the lifting plate 410, thereby realizing automatic unloading of the steel pipe.

[0023] The working principle of the present invention is as follows: By setting a material transfer platform 2 on the side of the feeding platform 1, and providing a limiting plate 23, a second rotating shaft 24 and a paddle 25 on the material transfer platform 2, a steel pipe storage space is formed between the limiting plate 23 and the side plate 21, and the No. 1 motor 22 drives the No. 2 rotating shaft 24 to rotate, thereby driving the paddle 25 to rotate, so that the steel pipe is automatically transported to the feeding platform 1, and by providing three material troughs 12 on the feeding platform 1, the steel pipe transported to the feeding platform 1 is snap-connected in the material trough 12 to avoid deviation and sliding during transportation, and a No. 1 rotating shaft 13 and a clamping plate 14 are provided on the upper side of the material trough 12, when a steel pipe rolls to the top of the material trough 12, the clamping plate 14 is automatically bent and then automatically falls into the material trough 12, and when the second steel pipe rolls to the top of the material trough 12 where the steel pipe is already placed, it can only continue to roll forward due to the effect of the clamping plate 14 and the steel pipe counteracting each other, and then falls. After the steel pipe is pulled into the second material trough 12, three steel pipes can be processed at one time during the drawing process, thereby improving production efficiency. Then, the telescopic column 15 controls the push plate 16 to push the steel pipe along the material trough 12 into the drawing slot hole 31. Then, the clamping member 45 controls the arc clamping block 415 to clamp the steel pipe. The No. 2 motor 44 controls the rotation of the reciprocating screw rod 43, thereby driving the clamping member 45 to move and realize drawing. By arranging an automatic unloading component above the discharge table 4, when the sensor 412 senses that the clamping member 45 has moved through, the micro motor 47 controls the No. 3 rotating shaft 49 to drive the rotation of the rotating plate 48. After the other end of the rotating plate 48 is rotated to above the pad 413, the drawn steel pipe will be placed above it. After the clamping member 45 releases the steel pipe, the telescopic rod 411 can be used to lift the lifting plate 410, thereby realizing automatic unloading of the steel pipe.

[0024] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A drawing device for stainless steel pipe manufacturing, characterized in that: The invention comprises a feeding platform (1), a material transfer platform (2), a mold (3) and a material discharging platform (4), wherein the feeding platform (1), the mold (3) and the material discharging platform (4) are placed in sequence, the material transfer platform (2) is fixedly connected to the side of the feeding platform (1), the lower end of the material transfer platform (2) is arranged on the upper surface of the feeding platform (1), the material transfer platform (2) is provided with a material transfer component, and the material discharging platform (4) is provided with a steel pipe drawing component and an automatic unloading component; The lower surface of the feeding platform (1) is fixedly connected to a plurality of fixed frames (11) in a linear array, and the upper surface of the feeding platform (1) is evenly provided with three material troughs (12). A first rotating shaft (13) is fixedly connected between the inner side surfaces of the material troughs (12), and the material troughs (12) are rotatably connected to a clamping plate (14) via the first rotating shaft (13). Five telescopic columns (15) are fixedly connected to one end of the feeding platform (1) away from the mold (3), and a push plate (16) is fixedly connected to the end of the telescopic column (15).

2. The drawing device for stainless steel pipe manufacturing according to claim 1, characterized in that: The width of the material trough (12) is set to 1.1 times the diameter of the steel pipe, the depth of the material trough (12) is set to 1.2 times the diameter of the steel pipe, the upper surface of the clamping plate (14) is flush with the upper surface of the feeding platform (1), the length of the clamping plate (14) is equal to 0.4 times the width of the material trough (12), and the thickness of the clamping plate (14) is equal to 0.2 times the diameter of the steel pipe.

3. The drawing device for stainless steel pipe manufacturing according to claim 1, characterized in that: The material transfer assembly comprises a side plate (21), a No. 1 motor (22), a limiting plate (23), a No. 2 rotating shaft (24) and a paddle (25); the side plate (21) is fixedly connected to the side of the material transfer platform (2); the No. 1 motor (22) is fixedly connected to the outer side of the side plate (21); the limiting plate (23) is fixedly connected between the two side plates (21); the No. 2 rotating shaft (24) is rotatably connected between the two side plates (21); a plurality of paddles (25) are fixedly connected to the side of the No. 2 rotating shaft (24) in a ring array; and the output end of the No. 1 motor (22) is fixedly connected to one end of the No. 2 rotating shaft (24).

4. The drawing device for stainless steel pipe manufacturing according to claim 3, characterized in that: The distance between the limiting plate (23) and the material transfer platform (2) is maintained at 1.5 times the diameter of the steel pipe, the paddle (25) is tangent to the upper surface of the material transfer platform (2), the second rotating shaft (24) is arranged on a side of the limiting plate (23) close to the material transfer platform (1), and the distance between the ends of two adjacent paddles (25) is set to 1.2 times the diameter of the steel pipe.

5. The drawing device for stainless steel pipe manufacturing according to claim 1, characterized in that: The mold (3) is arranged on a side of the feeding platform (1) away from the push plate (16), three drawing slots (31) are provided on the mold (3), and a support base (32) is fixedly connected to the lower surface of the mold (3).

6. The drawing device for stainless steel pipe manufacturing according to claim 1, characterized in that: The discharge platform (4) is arranged on a side of the mold (3) away from the feeding platform (1), and a transmission groove (41) and two slide grooves (42) are arranged on the upper surface of the discharge platform (4), and the transmission groove (41) is arranged between the two slide grooves (42). The steel pipe drawing assembly comprises a reciprocating screw (43), a second motor (44), a clamping member (45) and a power box (46), wherein the reciprocating screw (43) is rotatably connected to the inner side of the transmission groove (41), the second motor (44) is fixedly connected to the side of the discharge platform (4), the output end of the second motor (44) is fixedly connected to one end of the reciprocating screw (43), the thread of the clamping member (45) is connected to the reciprocating screw (43), the two sides of the lower end of the clamping member (45) are slidably connected to the slide groove (42), and the power box (46) is fixedly connected to the side of the clamping member (45).

7. The drawing device for stainless steel pipe manufacturing according to claim 6, characterized in that: The clamping member (45) is provided with three through slots (414), and the inner side surfaces of the through slots (414) are slidably connected with four arc-shaped clamping blocks (415) in a ring-shaped array.

8. The drawing device for stainless steel pipe manufacturing according to claim 4, characterized in that: The automatic unloading assembly comprises a micro motor (47), a rotating plate (48), a third rotating shaft (49), a lifting plate (410), a telescopic rod (411), a sensor (412) and a cushion block (413); the micro motor (47), the cushion block (413) and the sensor (412) are fixedly connected to the upper surface of the discharge platform (4); the micro motor (47) and the cushion block (413) are respectively arranged on both sides of two slide grooves (42); the sensor (412) is arranged on one side of the micro motor (47); the third rotating shaft (49) is fixedly connected to the output end of the micro motor (47); the rotating plate (48) is fixedly connected to the third rotating shaft (49); the lifting plate (410) is rotatably connected to one end of the rotating plate (48) via a rotating shaft; and the telescopic rod (411) is fixedly connected between the rotating plate (48) and the lifting plate (410).

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