CN213835451U

CN213835451U - Automatic material distributing and heating equipment of metal pipe fitting forming system

Info

Publication number: CN213835451U
Application number: CN202022562109.8U
Authority: CN
Inventors: 郑泽云
Original assignee: Yueqing Ruyi Fastener Co ltd
Current assignee: Yueqing Ruyi Fastener Co ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-30
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses an automatic material distributing and heating device of a metal pipe fitting forming system, which comprises a feeding device, a conveying device, a material distributing device, a material pushing device and a heating device; the feeding device is arranged at the inlet of the conveying device and supplies the rod-shaped blanks to the conveying device, the conveying device is used for conveying the rod-shaped blanks in an arranging mode, the distributing device is arranged at the outlet of the conveying device and divides a group of rod-shaped blanks into the pushing device, the pushing device is arranged at the outlet of the distributing device and pushes the rod-shaped blanks on the pushing device into the heating device when the materials are supplied, the rod-shaped blanks in the heating device are pushed out after the heating device finishes heating, and the heating device heats the rod-shaped blanks. This scheme realizes automatic branch material through loading attachment, feed divider, realizes self-heating through blevile of push, heating device to effectively improve production efficiency, reduce low in labor strength, reduce the cost of labor, promote automatic level.

Description

Automatic material distributing and heating equipment of metal pipe fitting forming system

Technical Field

The utility model relates to a pipe fitting processing field specifically is a metal pipe fitting forming system's automatic material heating equipment that divides.

Background

In metal pipe forming systems, the blank is typically fed into the system by manual feeding and heated. The feeding mode is time-consuming, low in production efficiency, high in labor cost, high in labor intensity, easy to hurt workers and low in automation degree, and can not meet the market demand more and more.

Disclosure of Invention

The utility model aims at: in order to overcome the defects of the prior art, the utility model provides an automatic material-distributing and heating device of a metal pipe fitting forming system.

The technical scheme of the utility model: comprises a feeding device, a conveying device, a material distributing device, a material pushing device and a heating device; the feeding device is arranged at an inlet of the conveying device and supplies the rod-shaped blanks to the conveying device, the conveying device is used for conveying the rod-shaped blanks in an arranging mode, the distributing device is arranged at an outlet of the conveying device and divides a group of rod-shaped blanks into the pushing device, the pushing device is arranged at an outlet of the distributing device and pushes the rod-shaped blanks on the pushing device into the heating device when the materials are supplied, the rod-shaped blanks in the heating device are pushed out after the heating device finishes heating, and the heating device heats the rod-shaped blanks.

Adopt above-mentioned technical scheme, supply clavate blank to conveyor by loading attachment earlier, later arrange by conveyor and carry the clavate blank, feed divider divides a set of clavate blank to blevile of push, blevile of push pushes away clavate blank to heating device, behind the heating device heating clavate blank, the clavate blank in the heating device is released by blevile of push again, this scheme is through loading attachment, feed divider realizes automatic branch material, through blevile of push, heating device realizes self-heating, thereby effectively improve production efficiency, reduce low in labor strength, reduce the cost of labor, promote the automation level.

The utility model discloses a further setting: loading attachment is including feed bin, step board, one-level on flitch and second grade on flitch, the side that is used for the ejection of compact of putting into clavate blank and feed bin in the feed bin sets up to the outlet side, the step board is located and is close to the outlet side position, the flitch liftable is pressed close to and is set up in the step board outside and its top surface round trip movement between the bottom surface of feed bin and the top surface of step board in the one-level, the flitch liftable sets up between outlet side and step board and its top surface round trip movement between the top surface of step board and outlet side in the second grade, flitch three's top surface is the inclined plane to outlet side downward sloping in step board, one-level on flitch and the second grade on the thickness of flitch three all above the clavate blank diameter size.

Adopt above-mentioned further setting, place a large amount of clavate blanks in the feed bin, the flitch rises to drive the clavate blank and rises to transfer to step plate top surface on the one-level, back clavate blank can roll to be in on the flitch top surface on the second grade on same inclined plane, the flitch rises to deliver to the feed bin exit on the second grade again, whole material loading process realizes the automation, material loading process reasonable in design, the position is placed to clavate blank unanimously after the material loading, the branch material operation of the later process of being convenient for.

The utility model discloses a further setting again: the bottom surface of the storage bin is an inclined surface which is inclined downwards towards the step plate.

By adopting the above further arrangement, the rod-shaped blanks in the stock bin roll to the outer side close to the step plate in a centralized manner, so that the feeding operation of the first-level feeding plate can be realized under the condition that the rod-shaped blanks in the stock bin are less, and the feeding amount of the first-level feeding plate can be increased.

The utility model discloses a still further set up: the conveying device comprises a plurality of closed-loop chains which are arranged in parallel and move synchronously, the closed-loop chains move parallel to the outlet side of the storage bin, and the rod-shaped blanks are placed above the closed-loop chains during conveying.

Adopt above-mentioned still further setting, directly place on the closed loop chain and transport the clavate blank, the clavate blank axis direction that the feed bin outlet side was sent out is the same with the direction of motion of closed loop chain, design benefit practices thrift part cost.

The utility model discloses a still further set up: the conveying device also comprises an inclined material guide plate, the inclined material guide plate is positioned above the closed-loop chain, and the distance between the inclined material guide plate and the top of the closed-loop chain is slightly larger than the diameter of the bar-shaped blank; the inclined material guide plate is in a horizontally placed triangular shape, and a guide included angle of less than 45 degrees is formed between the direction of one inclined edge of the triangle of the inclined material guide plate and the conveying direction of the conveying device; the outside of feed bin is provided with the hopper, the hopper is located the discharge gate that is used for the inclined material guide board and is in order to receive the claviform blank that the inclined material guide board guided out, the inside bullport of intercommunication feed bin is seted up in the exit of hopper to the feed bin.

With the above still further arrangement, the inclined material guide plate can guide the stacked or inclined-strided rod-shaped blanks to return to the stock bin through the hopper, so as to ensure the consistency of the placement state of the rod-shaped blanks on the conveying device.

The utility model discloses a still further set up: the material distributing device comprises a first-stage material distributing mechanism, a second-stage material distributing mechanism and a third-stage material distributing mechanism; the primary material distribution mechanism comprises a right-angle folded plate and a primary material distribution cylinder for driving the right-angle folded plate to move, the right-angle folded plate moves perpendicular to the conveying direction of the conveying device, the right-angle folded plate comprises a material pushing surface parallel to the conveying direction of the conveying device and a material blocking surface perpendicular to the conveying direction of the conveying device, the material blocking surface is normally positioned in the conveying direction of the conveying device, and the width of the material pushing surface is equal to the length of the rod-shaped blank; the second-stage material distribution mechanism comprises a frame-shaped folded plate and a second-stage material distribution cylinder, an output shaft of the second-stage material distribution cylinder movably penetrates through the frame-shaped folded plate and pushes a bar-shaped blank in the frame-shaped folded plate to be pushed out of the rear end of the frame-shaped folded plate in the length direction from the front end of the frame-shaped folded plate in the length direction, the length direction of the frame-shaped folded plate is parallel to the conveying direction of the conveying device, one side of the front end of the frame-shaped folded plate is adjacent to the first-stage material distribution mechanism to serve as a material inlet of the first-stage material distribution mechanism, and the third-stage material distribution mechanism is located at a rear end outlet of the frame-shaped folded plate; tertiary feed mechanism divides the material cylinder including the tertiary of curved surface folded plate and drive curved surface folded plate motion, the curved surface folded plate is including perpendicular, horizontal plane and the curved surface of raising upward, the output shaft of perpendicular and tertiary material cylinder that divides, the inboard of horizontal plane extends from the bottom of perpendicular, the curved surface of raising upward extends from the outside of horizontal plane, the outside end that raises upward the curved surface is upwards raised, the clavate blank axis direction motion on the curved surface folded plate is placed to the curved surface folded plate perpendicular to, blevile of push installs in the removal end of curved surface folded plate.

By adopting the above further arrangement, the material blocking surface of the right-angle folded plate can block the bar-shaped blank on the conveying device from continuously moving forwards, the first-stage material distributing cylinder drives the material pushing surface to push out the bar-shaped blank into the frame-shaped folded plate, the second-stage material distributing cylinder pushes the bar-shaped blank onto the curved surface folded plate again, and finally the third-stage material distributing cylinder drives the curved surface folded plate to push out, so that the bar-shaped blank rolls over the raised curved surface from the horizontal plane due to inertia to send out the curved surface folded plate, and therefore the bar-shaped blank is separated, the material distributing process is smooth in design.

The utility model discloses a still further set up: the pushing device comprises a material placing block and a material pushing cylinder, the cross section of the top surface of the material placing block is in a sawtooth shape and comprises a plurality of sawtooth placing stations, each sawtooth placing station receives a bar-shaped blank sent out by the material distributing device, the length direction of the sawtooth placing stations is the same as the axis direction of the bar-shaped blank placed in the sawtooth placing stations, and an output shaft of the material pushing cylinder can move to shuttle and is arranged in the length direction of the sawtooth placing stations and pushes the bar-shaped blank placed in the sawtooth placing stations to the heating device and penetrates through the sawtooth placing stations to push the bar-shaped blank in the heating device.

By adopting the above further arrangement, when the sawtooth placing station on the material placing block reaches the required bar-shaped blank, the bar-shaped blank is pushed to the heating device by the material pushing cylinder, and the bar-shaped blank in the heating device is pushed out after the bar-shaped blank is heated.

The utility model discloses a still further set up: the heating device comprises a heating cylinder and a surrounding electric heating wire, and the surrounding electric heating wire is arranged around the periphery of the heating cylinder; the axial direction of the heating cylinder is the same as the pushing direction of the pushing device, the inlet end of the heating cylinder is close to the sawtooth placement station, and the outlet end of the heating cylinder is communicated with the inlet of the descaling device.

By adopting the above further arrangement, the heating cylinder is more convenient for feeding and discharging, and the heating efficiency can be accelerated by surrounding the heating wire around the periphery of the heating cylinder.

Drawings

FIG. 1 is a first schematic structural diagram of an embodiment of the present invention;

fig. 2 is a top view of the present invention in fig. 1;

FIG. 3 is a schematic structural diagram of a feeding device and a conveying device of the present invention;

FIG. 4 is a schematic structural view of a feeding device, a conveying device and a part of a distributing device according to the present invention;

FIG. 5 is a second schematic structural diagram in accordance with an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a conveying device, a material distributing device, a material pushing device and a heating device according to the present invention;

the feeding device 1, the conveying device 2, the distributing device 3, the pushing device 4, the heating device 5, the stock bin 11, the step plate 12, the first-stage feeding plate 13, the second-stage feeding plate 14, the inclined surface 15, the closed-loop chain 21, the inclined material guide plate 22, the hopper 16, the guide hole 17, the first-stage distributing mechanism 31, the second-stage distributing mechanism 32, the third-stage distributing mechanism 33, the right-angle folded plate 311, the first-stage distributing cylinder 312, the pushing surface 3111, the blocking surface 3112, the frame-shaped folded plate 321, the second-stage distributing cylinder 322, the curved surface folded plate 331, the third-stage distributing cylinder 332, the vertical surface 3311, the horizontal surface 3312, the upward curved surface 3313, the material placing block 41, the pushing cylinder 42, the sawtooth placing station 411, the heating cylinder 51, the surrounding electric heating wire 52 and the rod-shaped blank 8.

Detailed Description

The automatic material distributing and heating device of the metal pipe fitting forming system shown in fig. 1-6 comprises a feeding device 1, a conveying device 2, a material distributing device 3, a material pushing device 4 and a heating device 5; the feeding device 1 is arranged at an inlet of the material conveying device and supplies the rod-shaped blanks 8 to the conveying device 2, the conveying device 2 is arranged to convey the rod-shaped blanks 8, the material distributing device 3 is arranged at an outlet of the material conveying device and divides a group of rod-shaped blanks 8 into the material pushing device 4, the material pushing device 4 is arranged at an outlet of the material distributing device 3 and pushes the rod-shaped blanks 8 on the material pushing device 4 into the heating device 5 when the materials are supplied, and the rod-shaped blanks 8 in the heating device 5 are pushed out after the heating device 5 finishes heating, and the heating device 5 heats the rod-shaped blanks 8. The bar-shaped blanks 8 are supplied to the conveying device 2 by the feeding device 1, then the bar-shaped blanks 8 are arranged and conveyed by the conveying device 2, the material distributing device 3 divides a group of bar-shaped blanks 8 to the material pushing device 4, the material pushing device 4 pushes the bar-shaped blanks 8 to the heating device 5, after the heating device 5 heats the bar-shaped blanks 8, the bar-shaped blanks 8 in the heating device 5 are pushed out by the material pushing device 4, and therefore, a group of heating bar-shaped blanks 8 with a specified quantity can be provided for the next process of the whole system.

The feeding device 1 comprises a stock bin 11, a step plate 12, a first-level feeding plate 13 and a second-level feeding plate 14, wherein the stock bin 11 is internally provided with a rod-shaped blank 8, the side surface of the stock bin 11 used for discharging is set as an outlet side, the step plate 12 is positioned at a position close to the outlet side, the first-level feeding plate 13 can be lifted and arranged at the outer side of the step plate 12 in a close manner, the top surface of the first-level feeding plate 13 moves back and forth between the bottom surface of the stock bin 11 and the top surface of the step plate 12, the second-level feeding plate 14 can be lifted and arranged between the outlet side and the step plate 12, the top surface of the second-level feeding plate moves back and forth between the top surface of the step plate 12 and the top surface of the outlet side, the step plate 12, the top surfaces of the first-stage feeding plate 13 and the second-stage feeding plate 14 are inclined surfaces 15 which incline downwards towards the outlet side, the thicknesses of the step plate 12, the first-stage feeding plate 13 and the second-stage feeding plate 14 are all more than the diameter of the rod-shaped blank 8, and the bottom surface of the bin 11 is the inclined surface 15 which inclines downwards towards the step plate. The bar-shaped blanks 8 are placed in the bin 11, under the action of the downward inclination of the bottom surface of the bin 11, the bar-shaped blanks 8 are concentrated at the position near the first feeding plate 13, some of the bar-shaped blanks 8 are attached to the outer side surface of the step plate 12 due to the inclined surface 15 on the first feeding plate 13, when the first feeding plate 13 ascends, the bar-shaped blanks 8 are driven to ascend, the axial direction of the bar-shaped blanks 8 is the same as the length direction of the first feeding plate 13, after the first feeding plate 13 ascends to the same inclined surface 15 on the top surface of the step plate 12, the bar-shaped blanks 8 roll to the top surface of the step plate 12, and then when the top surface of the second feeding plate 14 and the top surface of the step plate 12 are at the same inclined surface 15, the bar-shaped blanks 8 roll to the top surface of the second feeding plate 14 and ascend to an outlet on the outlet side of the bin 11 through the second feeding plate 14.

The conveying device 2 comprises a plurality of closed-loop chains 21 which are arranged in parallel and move synchronously, the closed-loop chains 21 move parallel to the outlet side of the stock bin 11, the rod-shaped blanks 8 are placed above the closed-loop chains 21 when being conveyed, and the axial direction of the rod-shaped blanks 8 sent out from the outlet side of the stock bin 11 is the same as the moving direction of the closed-loop chains 21. The number of closed-loop chains 21 depends on the diameter of the rod-shaped blank 8, and is usually two closed-loop chains 21 arranged at intervals so that the center of gravity of the rod-shaped blank 8 is located above the space between the closed-loop chains 21. The closed loop chain 21 should be provided with a stop at the position where the rod-shaped blanks need to be stopped from falling.

The conveying device 2 further comprises an inclined material guide plate 22, the inclined material guide plate 22 is fixed above the closed loop chain 21, and the distance between the inclined material guide plate 22 and the top of the closed loop chain 21 is slightly larger than the diameter of the bar-shaped blank 8; the inclined material guide plate 22 is in a horizontally placed triangular shape, and a guiding included angle of less than 45 degrees is formed between the direction of one inclined edge of the triangle of the inclined material guide plate 22 and the conveying direction of the conveying device 2. A hopper 16 which inclines downwards is arranged at one outer side of the bin 11, the hopper 16 is positioned at the discharge port of the inclined material guide plate 22 to receive the bar-shaped blank 8 guided out by the inclined material guide plate 22, and the bin 11 is provided with a guide hole 17 communicated with the interior of the bin 11 at the discharge port of the hopper 16. When the rod-shaped blanks 8 on the closed-loop chain 21 are stacked or obliquely strided, the raised rod-shaped blanks 8 touch the oblique material guide plate 22, some rod-shaped blanks 8 fall to the correct position due to the touch, and some rod-shaped blanks are guided by the guide angle to be sent out of the closed-loop chain 21 to the hopper 16 and then fall to the material receiving bin 11 through the guide hole 17.

The material distributing device 3 comprises a first-stage material distributing mechanism 31, a second-stage material distributing mechanism 32 and a third-stage material distributing mechanism 33; the primary material distributing mechanism 31 comprises a right-angle folded plate 311 and a primary material distributing cylinder 312 for driving the right-angle folded plate 311 to move, the right-angle folded plate 311 moves perpendicular to the conveying direction of the conveying device 2, the right-angle folded plate 311 comprises a material pushing surface 3111 parallel to the conveying direction of the conveying device 2 and a material blocking surface 3112 perpendicular to the conveying direction of the conveying device 2, the material blocking surface 3112 is normally located in the conveying direction of the conveying device 2, and the width of the material pushing surface 3111 is equal to the length of the bar-shaped blank 8; the second-stage material distributing mechanism 32 comprises a frame-shaped folded plate 321 and a second-stage material distributing cylinder 322, an output shaft of the second-stage material distributing cylinder 322 movably penetrates through the frame-shaped folded plate 321 and pushes the bar-shaped blank 8 in the frame-shaped folded plate 321 to be pushed out of the rear end of the frame-shaped folded plate 321 in the length direction from the front end of the frame-shaped folded plate 321 in the length direction, the length direction of the frame-shaped folded plate 321 is parallel to the conveying direction of the conveying device 2, one side of the front end of the frame-shaped folded plate 321 is adjacent to the first-stage material distributing mechanism 31 to serve as a material inlet of the first-stage material distributing mechanism, and the third-stage material distributing mechanism 33 is located at a rear-end outlet of the frame-shaped folded plate 321; the third-stage material distributing mechanism 33 comprises a curved surface folded plate 331 and a third-stage material distributing cylinder 332 for driving the curved surface folded plate 331 to move, the curved surface folded plate 331 comprises a vertical surface 3311, a horizontal surface 3312 and a rising curved surface 3313, the vertical surface 3311 is connected with an output shaft of the third-stage material distributing cylinder 332, the inner side of the horizontal surface 3312 extends out from the bottom of the vertical surface 3311, the rising curved surface 3313 extends out from the outer side of the horizontal surface 3312, the outer side end of the rising curved surface 3313 rises upwards, the curved surface folded plate 331 moves in the direction perpendicular to the axial line of the rod-shaped blank 8 placed on the curved surface folded plate 331, and the material pushing device 4 is installed at the moving tail end of the curved surface folded plate 331. The closed loop chain 21 is arranged with a plurality of rod-shaped blanks 8, the axial direction of the rod-shaped blanks 8 is the same as the conveying direction of the closed loop chain 21, and the stock stop face 3112 of the right-angle flap 311 is used for stopping the rod-shaped blanks 8 on the conveying device 2 from further advancing, and the rod-shaped blanks 8 are stacked and arranged on the closed loop chain 21 due to the stock stop face 3112 although the closed loop chain 21 is always moving. When the material is needed, the first-stage material-distributing cylinder 312 drives the material-pushing surface 3111 to push out a bar-shaped blank 8 in the same row into the frame-shaped folded plate 321, at this time, the axial direction of the bar-shaped blank 8 is kept in the same direction as the length direction of the frame-shaped folded plate 321, the output shaft of the second-stage material-distributing cylinder 322 pushes the bar-shaped blank 8 from the front end of the frame-shaped folded plate 321 to the curved folded plate 331 at the rear end thereof, the bar-shaped blank 8 is transferred to the horizontal surface 3312 of the curved folded plate 331, and finally, the curved folded plate 331 is driven by the output shaft of the third-stage material-distributing cylinder 332 to push out the bar-shaped blank 331 in the radial direction of the bar-shaped blank 8, so that the bar-shaped blank 8 rolls from the horizontal surface 331. The distance of pushing out the output shaft of the three-stage material-separating cylinder 332 may be different depending on the desired position, so that the rod-shaped blanks 8 in a group of rod-shaped blanks 8 can be pushed to the desired position by the output shaft of the three-stage material-separating cylinder 332.

The material pushing device 4 comprises a material placing block 41 and a material pushing cylinder 42, the cross section of the top surface of the material placing block 41 is serrated and comprises a plurality of sawtooth placing stations 411, each sawtooth placing station 411 receives a single bar-shaped blank 8 sent by the material distributing device 3, and the number of the sawtooth placing stations 411 required to operate is determined by how many bar-shaped blanks 8 a group of bar-shaped blanks 8 has need of being heated simultaneously. The length direction of the saw tooth placing station 411 is the same as the axial direction of the rod-shaped blank 8 placed in the saw tooth placing station 411, and the output shaft of the pushing cylinder 42 is movably arranged in the length direction of the saw tooth placing station 411 in a shuttling manner and pushes the rod-shaped blank 8 placed in the saw tooth placing station 411 to the heating device 5 and pushes the rod-shaped blank 8 out of the heating device 5 through the saw tooth placing station 411. When the saw tooth placing station 411 on the material placing block 41 reaches the required rod-shaped blank 8, the rod-shaped blank 8 is pushed to the heating device 5 by the material pushing cylinder 42, and the rod-shaped blank 8 in the heating device 5 is pushed out after the rod-shaped blank 8 is heated.

The heating device 5 comprises a heating cylinder 51 and a surrounding heating wire 52, wherein the surrounding heating wire 52 is arranged around the heating cylinder 51; the axial direction of the heating cylinder 51 is the same as the pushing direction of the pushing device 4, the inlet end of the heating cylinder 51 is close to the sawtooth placement station 411, and the outlet end of the heating cylinder 51 is communicated with the inlet of the descaling device 7. After the rod-shaped billet 8 is fed into the heating cylinder 51, the rod-shaped billet 8 is heated for several seconds around the heating wire 52 to reach the desired temperature. It is also possible to maintain a high temperature around the heating wires 52 during operation, so that the rod shaped blank 8 can be brought to the desired temperature quickly.

Claims

1. The utility model provides a metal pipe fitting molding system's automatic material firing equipment that divides which characterized in that: comprises a feeding device, a conveying device, a material distributing device, a material pushing device and a heating device; the feeding device is arranged at an inlet of the conveying device and supplies the rod-shaped blanks to the conveying device, the conveying device is used for conveying the rod-shaped blanks in an arranging mode, the distributing device is arranged at an outlet of the conveying device and divides a group of rod-shaped blanks into the pushing device, the pushing device is arranged at an outlet of the distributing device and pushes the rod-shaped blanks on the pushing device into the heating device when the materials are supplied, the rod-shaped blanks in the heating device are pushed out after the heating device finishes heating, and the heating device heats the rod-shaped blanks.

2. The automatic material distribution and heating device of the metal pipe forming system according to claim 1, wherein: loading attachment is including feed bin, step board, one-level on flitch and second grade on flitch, the side that is used for the ejection of compact of putting into claviform blank and feed bin in the feed bin sets up to the outlet side, the step board is located and is close to outlet side position, the flitch liftable is pressed close to and is set up in the step board outside and its top surface round trip movement between the bottom surface of feed bin and the top surface of step board in the one-level, the flitch liftable sets up between outlet side and step board and its top surface round trip movement between the top surface of step board and outlet side in the second grade, flitch three's top surface is the inclined plane to outlet side downward sloping in step board, one-level on flitch and the second grade on the thickness of flitch three all more than claviform blank diameter size.

3. The automatic material distribution and heating device of the metal pipe forming system according to claim 2, wherein: the bottom surface of the storage bin is an inclined surface which inclines downwards towards the outlet side.

4. The automatic material distribution and heating device of the metal pipe forming system according to claim 3, wherein: the conveying device comprises a plurality of closed-loop chains which are arranged in parallel and move synchronously, the closed-loop chains move parallel to the outlet side of the storage bin, and the rod-shaped blanks are placed above the closed-loop chains during conveying.

5. The automatic material distribution and heating device of the metal pipe forming system according to claim 4, wherein: the conveying device also comprises an inclined material guide plate, the inclined material guide plate is positioned above the closed-loop chain, and the distance between the inclined material guide plate and the top of the closed-loop chain is slightly larger than the diameter of the bar-shaped blank; the inclined material guide plate is in a horizontally placed triangular shape, and a guide included angle of less than 45 degrees is formed between the direction of one inclined edge of the triangle of the inclined material guide plate and the conveying direction of the conveying device; the outside of feed bin is provided with the hopper, the hopper is located the discharge gate that is used for the inclined material guide board and is in order to receive the claviform blank that the inclined material guide board guided out, the inside bullport of intercommunication feed bin is seted up in the exit of hopper to the feed bin.

6. The automatic material distribution and heating device of the metal pipe forming system according to claim 5, wherein: the material distributing device comprises a first-stage material distributing mechanism, a second-stage material distributing mechanism and a third-stage material distributing mechanism; the primary material distribution mechanism comprises a right-angle folded plate and a primary material distribution cylinder for driving the right-angle folded plate to move, the right-angle folded plate moves perpendicular to the conveying direction of the conveying device, the right-angle folded plate comprises a material pushing surface parallel to the conveying direction of the conveying device and a material blocking surface perpendicular to the conveying direction of the conveying device, the material blocking surface is normally positioned in the conveying direction of the conveying device, and the width of the material pushing surface is equal to the length of the bar-shaped blank; the second-stage material distribution mechanism comprises a frame-shaped folded plate and a second-stage material distribution cylinder, an output shaft of the second-stage material distribution cylinder movably penetrates through the frame-shaped folded plate and pushes a bar-shaped blank in the frame-shaped folded plate to be pushed out of the rear end of the frame-shaped folded plate in the length direction from the front end of the frame-shaped folded plate in the length direction, the length direction of the frame-shaped folded plate is parallel to the conveying direction of the conveying device, one side of the front end of the frame-shaped folded plate is adjacent to the first-stage material distribution mechanism to serve as a material inlet of the first-stage material distribution mechanism, and the third-stage material distribution mechanism is located at a rear end outlet of the frame-shaped folded plate; tertiary feed mechanism divides the material cylinder including the tertiary of curved surface folded plate and drive curved surface folded plate motion, the curved surface folded plate is including perpendicular, horizontal plane and the curved surface of raising upward, the output shaft of perpendicular and tertiary material cylinder that divides, the inboard of horizontal plane extends from the bottom of perpendicular, the curved surface of raising upward extends from the outside of horizontal plane, the outside end that raises upward the curved surface is upwards raised, the clavate blank axis direction motion on the curved surface folded plate is placed to the curved surface folded plate perpendicular to, blevile of push installs in the removal end of curved surface folded plate.

7. The automatic material distribution and heating device of a metal pipe forming system according to claim 6, wherein: the material pushing device comprises a material placing block and a material pushing cylinder, the cross section of the top surface of the material placing block is in a sawtooth shape and comprises a plurality of sawtooth placing stations, each sawtooth placing station receives a bar-shaped blank sent out by the material distributing device, the length direction of the sawtooth placing stations is the same as the axis direction of the bar-shaped blank placed in the sawtooth placing stations, and an output shaft of the material pushing cylinder can move to shuttle and is arranged in the length direction of the sawtooth placing stations and pushes the bar-shaped blank placed in the sawtooth placing stations to the heating device and penetrates through the sawtooth placing stations to push the bar-shaped blank in the heating device.

8. The automatic material distribution and heating device of a metal pipe forming system according to claim 7, wherein: the heating device comprises a heating cylinder and a surrounding electric heating wire, and the surrounding electric heating wire is arranged around the periphery of the heating cylinder; the axial direction of the heating cylinder is the same as the pushing direction of the pushing device, the inlet end of the heating cylinder is close to the sawtooth placement station, and the outlet end of the heating cylinder is communicated with the inlet of the descaling device.