CN110860616A

CN110860616A - Primary drawing feeding device

Info

Publication number: CN110860616A
Application number: CN201911107510.8A
Authority: CN
Inventors: 朱兆明; 李扬; 宋克强; 李�权; 李然
Original assignee: CHANGCHUN FAWAY AUTOMOBILE COMPONENTS Co Ltd
Current assignee: CHANGCHUN FAWAY AUTOMOBILE COMPONENTS Co Ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-03-06

Abstract

The invention provides a primary drawing feeding device which comprises a roller way conveying mechanism and a material transplanting mechanism positioned at one end of the roller way conveying mechanism, wherein the roller way conveying mechanism is used for conveying materials, and the material transplanting mechanism is used for transferring the materials conveyed in place by the roller way conveying mechanism to a specified position; the material transferring mechanism comprises a traveling unit and a material sucking and releasing unit, the traveling unit is used for driving the material sucking and releasing unit to move transversely, and when the material sucking and releasing unit moves transversely above the roller conveying mechanism, the material transferring mechanism is used for sucking materials on the roller conveying mechanism; when the material sucking and releasing unit moves to the appointed position, the sucking and releasing unit is used for releasing the sucked material. The automatic feeding device can replace a manual feeding mode, realizes automatic feeding, not only can save labor cost, but also can eliminate potential safety hazards and improve production efficiency.

Description

Primary drawing feeding device

Technical Field

The invention relates to the technical field of vehicle part manufacturing, in particular to a primary drawing feeding device.

Background

Steel wheels have long been dominant in automotive wheels, particularly in terms of low cost and safety, in comparison to aluminum alloy wheels. At present, heavy trucks in China all adopt steel wheels, and because of low price, spare tires of passenger vehicles are mostly made of steel wheels. The steel wheel mainly comprises a spoke and a rim, the manufacturing and processing technology of the spoke is complex, and the spoke can be completed through a plurality of processes such as uncoiling, blanking, primary drawing, back drawing, forming, punching a wind hole, punching a bolt hole and the like, wherein the primary drawing process needs manual feeding operation, and the manual feeding has the following problems:

1. the labor intensity of operators is high due to the fact that the weight of spoke materials is large;

2. manual feeding can increase labor cost and reduce production efficiency;

3. the artificial feeding has potential safety hazard.

Disclosure of Invention

In order to solve the technical problem, the invention provides a primary drawing feeding device.

In order to achieve the purpose, the invention adopts the following specific technical scheme:

the primary drawing feeding device comprises a roller way conveying mechanism and a material transplanting mechanism positioned at one end of the roller way conveying mechanism, wherein the roller way conveying mechanism is used for conveying materials, and the material transplanting mechanism is used for transferring the materials conveyed in place by the roller way conveying mechanism to a specified position; the material transferring mechanism comprises a traveling unit and a material sucking and releasing unit, the traveling unit is used for driving the material sucking and releasing unit to move transversely, and when the material sucking and releasing unit moves transversely above the roller conveying mechanism, the material transferring mechanism is used for sucking materials on the roller conveying mechanism; when the material sucking and releasing unit moves to the appointed position, the sucking and releasing unit is used for releasing the sucked material.

Preferably, the traveling unit comprises an upright post, a cross beam, a traveling unit mounting plate, a transverse moving driving motor, a transverse linear sliding rail, a transverse sliding block, a transverse moving gear and a transverse moving rack, the cross beam is supported at the top end of the upright post, the transverse linear sliding rail and the transverse moving rack are respectively mounted on the cross beam, the transverse moving driving motor and the transverse sliding block are respectively fixed on the traveling unit mounting plate, and the transverse moving gear is sleeved on an output shaft of the transverse moving driving motor and is in meshing transmission with the rack to drive the transverse sliding block to slide on the transverse linear sliding.

Preferably, fixing frames are installed at both ends of the cross beam, and a cushion pad is installed on the fixing frames.

Preferably, the material sucking and placing unit comprises a material sucking and placing module, and the material sucking and placing module comprises a material taking rod and a sucker installed on the material taking rod.

Preferably, the material sucking and placing unit further comprises a lifting module, the lifting module comprises a lifting module mounting plate, a lifting driving motor, a lifting gear, a lifting rack, a lifting linear slide rail and a lifting slide block, the lifting driving motor and the lifting slide block are respectively fixed on the walking unit mounting plate, the lifting rack and the lifting linear slide rail are respectively mounted on the lifting module mounting plate, and the lifting gear is sleeved on an output shaft of the lifting driving motor and is in meshing transmission with the lifting rack to drive the lifting module to slide on the lifting linear slide rail.

Preferably, still install the tie-beam on the lift module mounting panel, the bottom of tie-beam with get the material pole and close to the position fixed connection of end, the sucking disc is installed at the both ends of getting the material pole.

Preferably, the initial drawing feeding device further comprises a material centering mechanism located on one side of the material transplanting mechanism, the material centering mechanism comprises a centering frame, a centering linear slide rail, a centering slide block, a guide pillar and a lifting cylinder, a centering mounting plate is mounted at the top end of the centering frame, the lifting cylinder is mounted on the centering frame and located below the centering mounting plate, the centering linear slide rail is mounted on the centering mounting plate, the centering slide block is connected to the centering linear slide rail in a sliding mode, a positioning pin is fixed on the centering slide block, the centering slide block is connected with one end of the guide pillar through a connecting rod, and the other end of the guide pillar is movably connected with a piston rod of.

Preferably, a guide plate and a buffer body are further mounted on the centering mounting plate at positions corresponding to the centering linear slide rail, and an adjusting foot is mounted at the bottom end of the centering frame.

Preferably, the roller way conveying mechanism comprises a roller way frame, a roller way driving motor and a transmission roller set, the transmission roller set and the roller way driving motor are respectively installed on the roller way frame, and the roller way driving motor and the transmission roller set are in chain transmission.

Preferably, an adjustable foot margin is installed at the bottom end of the roller bed frame.

Compared with the prior art, the invention has the beneficial effects that:

1. replace traditional artifical material loading mode, realize automatic material loading to reduce operator's intensity of labour.

2. The material loading need not manual operation, not only can practice thrift the human cost, can also stop the potential safety hazard.

3. Compared with manual feeding, the production efficiency can be improved.

Drawings

FIG. 1 is a schematic overall structure diagram of a primary drawing feeding device provided by an embodiment of the invention;

fig. 2 is a schematic structural diagram of a roller bed conveying mechanism provided in an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

fig. 5 is a schematic structural diagram of a first view angle of a material transplanting mechanism according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a second view angle of the material transplanting mechanism according to the embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a material centering mechanism provided by an embodiment of the present invention;

FIG. 8 is a schematic structural view of the primary drawing apparatus.

Wherein the reference numerals include: roller bed conveying mechanism 1, roller bed frame 101, roller bed driving motor 102, driving roller set 103, driving sprocket 104, driven sprocket 105, chain 106, material transplanting mechanism 2, upright 2101, cross beam 2102, walking unit mounting plate 2103, transverse driving motor 2104, transverse linear slide rail 2105, transverse slider 2106, transverse gear 2107, transverse rack 2108, fixing frame 2109, buffer cushion 2110, material taking rod 2201, suction cup 2202 and lifting module mounting plate 2203, the device comprises a lifting driving motor 2204, a lifting rack 2205, a lifting linear slide rail 2206, a lifting slider 2207, a connecting beam 2208, primary drawing equipment 3, a press 301, a primary drawing die 302, a material centering mechanism 4, a centering frame 401, a centering linear slide rail 402, a centering slider 403, a guide pillar 404, a lifting cylinder 405, a centering mounting plate 406, a connecting rod 407, a positioning pin 408, a guide plate 409, a buffer body 410, an adjusting anchor 411 and spoke materials 5.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention.

Fig. 1 shows the overall structure of a primary drawing feeding device provided by an embodiment of the invention.

As shown in fig. 1, the primary drawing feeding device provided by the embodiment of the invention comprises a roller way conveying mechanism 1 and a material transplanting mechanism 2 located at one end of the roller way conveying mechanism 1, wherein the roller way conveying mechanism 1 is used for conveying spoke materials 5, and the material transplanting mechanism 2 is used for transferring the spoke materials 5 conveyed in place by the roller way conveying mechanism 1 into primary drawing equipment 3 for a primary drawing process.

The structure of the primary drawing equipment 3 is shown in fig. 8, the primary drawing equipment 3 comprises a press machine 301 and a primary drawing die 302, the primary drawing die 302 is fixed on the press machine 301, after the spoke material 5 is placed on a lower die of the primary drawing die 302, the press machine 301 drives an upper die of the primary drawing die 302 to press and match the die, so that the spoke material 5 is stretched out of the die shape, after the pressure maintaining time elapses, the press machine 301 is lifted, the primary drawing process is completed, the stretched spoke material 5 is transferred to a subsequent process, and the material transplanting mechanism 2 continuously sucks the spoke material 5 and places the spoke material into the primary drawing equipment 3.

The primary drawing feeding device provided by the embodiment of the invention is not limited to feeding in the primary drawing process in the spoke manufacturing and processing process, and can also be applied to feeding processes of other processes, and after the roller conveying mechanism 1 conveys materials in place, the materials are sucked by the material transfer mechanism 2 and transferred to a specified position to complete the feeding process.

The structure of the primary drawing feeding device will be described in detail below.

Fig. 2-4 show the whole structure and partial structure of the roller conveying mechanism provided by the embodiment of the invention.

As shown in fig. 2-4, the roller conveying mechanism 1 includes a roller frame 101, a roller driving motor 102 and a driving roller set 103, the roller frame 101 is formed by welding square pipes, the driving roller set 103 and the roller driving motor 102 are respectively installed on the roller frame 101, a driving chain wheel 104 is sleeved on an output shaft of the roller way driving motor 102, the driving chain wheel 104 and the output shaft of the roller way driving motor 102 rotate synchronously, the driving roller group 103 consists of a plurality of driving rollers, one of the driven rollers is a driving roller, the other driven rollers are driven rollers, driven chain wheels 105 are respectively sleeved on the driving roller and the driven rollers, transmission is realized between the driving chain wheel 104 and the driven chain wheels 105 on the driving roller and between the driven chain wheels 105 on the two adjacent driven rollers through chains 106, the roller way driving motor 102 is used as a power source for driving the driving roller to rotate, and the driving roller drives the driven rollers to rotate so as to realize the conveying of spoke materials.

As a preferred embodiment, an adjustable foot is installed at the bottom end of the roller way frame 101, and the adjustable foot is used for adjusting the overall height of the roller way frame 101, so that the height of the spoke material on the transmission roller set 103 is consistent with the height of the spoke material in the primary drawing equipment 3.

In another embodiment, a stop bar is arranged at the end of the roller frame 101 located at the drive roller set 103 to prevent the spoke material from falling off the drive roller set 103.

The material transferring mechanism 2 comprises a traveling unit and a material sucking and releasing unit, the traveling unit is used for driving the material sucking and releasing unit to move transversely, and the material sucking and releasing unit is used for lowering the spoke materials into the primary drawing equipment 3 after sucking the spoke materials.

Fig. 5 and 6 show the structure of the material transplanting mechanism provided by the embodiment of the invention from two angles respectively.

As shown in fig. 5 and 6, the traveling unit includes a column 2101, a beam 2102, a traveling unit mounting plate 2103, a traverse driving motor 2104, a transverse linear slide rail 2105, a transverse slider 2106, a traverse gear 2107, and a traverse rack 2108; the vertical columns 2101 and the transverse beams 2102 form a support frame of the material transfer mechanism 2, specifically, two vertical columns 2101 and one transverse beam 2102 are connected to form a gantry-shaped support frame, the two vertical columns 2101 are fixed on the ground by expansion bolts, the two transverse linear sliding rails 2105 are respectively mounted on the transverse beam 2102, a transverse moving rack 2108 is also mounted on the transverse beam 2102 and located at a position between the two transverse linear sliding rails 2105, the transverse moving driving motors 2104 are one and mounted on the traveling unit mounting plate 2103, the two transverse sliding blocks 2106 are respectively mounted on the traveling unit mounting plate 2103 and located corresponding to the two transverse linear sliding rails 2105, the two transverse sliding blocks 2106 respectively slide on the corresponding transverse linear sliding rails 2105, and a transverse moving gear 2107 is sleeved on an output shaft of the transverse moving driving motor 2104 and is in meshing transmission with the transverse moving rack 2108.

The working principle of the walking unit is as follows: the traverse driving motor 2104 drives the traverse gear 2107 to synchronously rotate, and the traverse gear 2107 is meshed with the traverse rack 2108 for transmission, and the traverse rack 2108 is fixedly arranged on the cross beam 2102, so that the transverse sliding block 2106 is driven to slide on the transverse linear sliding rail 2105, and the transverse movement of the traveling unit mounting plate 2103 is realized.

In order to prevent the transverse slider 2106 from sliding out of the transverse linear sliding rail 2105, two ends of the transverse beam 2102 are respectively provided with a fixing frame 2109, the fixing frame 2109 is preferably of an L-shaped structure, two fixing frames 2109 are respectively provided with a cushion 2110, the cushion 2110 is parallel to the direction of the transverse linear sliding rail 2105, and the cushion 2110 can play a role in blocking and buffering the transverse slider 2106 and prevent the lifting transverse slider 2106 from sliding out of the transverse linear sliding rail 2105 and falling off the transverse beam 2102.

The material sucking and releasing unit comprises a material sucking and releasing module and a lifting module, the material sucking and releasing module is used for sucking or releasing spoke materials, and the lifting module is used for driving the material sucking and releasing module to lift.

The lifting module comprises a lifting module mounting plate 2203, lifting driving motors 2204, lifting racks 2205, lifting linear sliding rails 2206, lifting sliders 2207 and a connecting beam 2208, the number of the lifting linear sliding rails 2206 is two, the two lifting linear sliding rails are respectively mounted on one surface of the lifting module mounting plate 2203, the number of the lifting racks 2205 is one, the lifting linear sliding rails are mounted on the lifting module mounting plate 2203 and are positioned between the two lifting linear sliding rails 2206, the lifting racks 2205 and the lifting linear sliding rails 2206 are positioned on the same surface of the lifting module mounting plate 2203, the connecting beam 2208 is mounted on the other surface of the lifting module mounting plate 2203, the material sucking and releasing module is connected to the bottom end of the connecting beam 2208, the number of the lifting driving motors 2204 is one, the lifting driving motors 2203 are mounted on the walking unit mounting plate 2103, the lifting gears are sleeved on output shafts of the lifting driving motors 2204 and are in meshing transmission, also installed on the traveling unit mounting plate 2103, two lifting sliders 2207 slide on a lifting linear slide rail 2206, respectively.

The working principle of the lifting module is as follows: the lifting drive motor 2204 drives the lifting gear to synchronously rotate, and the lifting slider 2207 and the lifting drive motor 2204 are fixed on the walking unit mounting plate 2103 and fixed fixedly due to the meshing transmission of the lifting gear and the lifting rack 2205, so that the lifting rack 2205 is driven to perform lifting motion, the lifting linear slide rail 2206 slides up and down relative to the lifting slider 2207, the lifting of the connecting beam 2208 is realized, and the connecting beam 2208 drives the material sucking and releasing module fixed with the connecting beam 2208 to lift.

In order to prevent the lifting slider 2207 from sliding out of the lifting linear sliding rail 2206, L-shaped fixing frames are also installed at two ends of the lifting module installation plate 2203, and a buffer cushion is installed on the L-shaped fixing frames, so that the buffer cushion plays a role in blocking and buffering the lifting slider 2207, and the lifting slider 2207 is prevented from sliding out of the lifting linear sliding rail 2206 and falling off from the lifting module installation plate 2203.

Because the lifting module is fixed on the walking unit mounting plate 2103, when the walking unit mounting plate 2103 moves transversely, the lifting module is driven to move synchronously, and when the walking unit mounting plate 2103 moves in place, the lifting module drives the material sucking and releasing module to lift.

The material sucking and placing module comprises a material taking rod 2201 and a sucker 2202, wherein the sucker 2202 is installed on the material taking rod 2201 downwards in the direction and used for sucking spoke materials, the material taking rod 2201 is fixedly connected with a connecting beam 2208, and the material taking rod 2201 and the sucker 2202 are driven to synchronously lift when the connecting beam 2208 lifts.

When the walking unit transversely moves the material sucking and placing unit to the upper part of the roller way conveying mechanism 1, the lifting module drives the material sucking and placing module to descend, the material sucking and placing module sucks spoke materials of the roller way conveying mechanism 1 through a sucker 2202 after descending to the position, then the lifting module drives the material sucking and placing module to reset, the walking unit transversely moves the material sucking and placing unit sucking the spoke materials to the upper part of the primary drawing equipment 3, the lifting module drives the material sucking and placing module to descend again, and the sucker 2202 releases the sucked spoke materials to enable the spoke materials to fall into a lower die of the primary drawing die 302.

Because the spoke material has a plurality of sizes, the material transfer mechanism 2 is difficult to ensure the spoke material and the sucker to be concentric when absorbing the spoke material, so that the positions of the spoke material in the primary drawing equipment are not opposite. Therefore, in order to ensure the correct position of the spoke material in the preliminary drawing equipment, as shown in fig. 1, a material centering mechanism 4 is arranged on one side of a material transfer mechanism 2, after the material transfer mechanism 2 absorbs the spoke material, the spoke material is firstly placed on the material centering mechanism 4 to correct the position of the spoke material, so that the spoke material and a sucker are concentric, then the spoke material after being corrected is absorbed by the material transfer mechanism 2, and finally the spoke material is placed in the preliminary drawing equipment 3.

Referring to fig. 1, 5 and 6, in order to cooperate with the operation of the material centering mechanism 4, the suckers 2202 are divided into two groups and installed at two ends of the material taking rod 2201, when the material transfer mechanism 2 moves to the upper part of the roller conveying mechanism 1, the suckers 2202 at one end of the material taking rod 2201 suck spoke materials, and after the spoke materials are arranged at the right position, the suckers 2202 at the other end of the material taking rod 2201 suck the spoke materials and send the spoke materials into the primary drawing equipment 3.

The bottom end of the connecting beam 2208 is fixedly connected with the position, close to the end, of the material taking rod 2201, and the connecting beam 2208 is connected to the eccentric position of the material taking rod 2201, so that the suction cup 2202 at one end of the material taking rod 2201 can be moved to the central position of the primary drawing equipment 3, and feeding is facilitated.

Fig. 7 shows a structure of a material centering mechanism provided by an embodiment of the present invention.

As shown in fig. 7, the material centering mechanism 4 includes a centering frame 401, a centering linear slide rail 402, a centering slider 403, a guide pillar 404, a lifting cylinder 405, a centering mounting plate 406, a connecting rod 407, and a positioning pin 408, the centering frame 401 is formed by welding square pipes, the centering mounting plate 406 is mounted on the top end of the centering frame 401, the lifting cylinder 405 is mounted on the centering frame 401 and located below the centering mounting plate 406, the centering linear slide rail 402 is mounted on the centering mounting plate 406, the centering slider 404 is slidably connected to the centering linear slide rail 402, the centering slider 404 is connected to one end of the guide pillar 404 through the connecting rod 407, the other end of the guide pillar 404 is movably connected to a piston rod of the lifting cylinder 405, and the positioning pin 408 is fixed on the centering slider.

When the lifting cylinder 405 acts, the connecting rod 407 pulls the centering slide block 404 to slide on the centering linear slide rail 402 to the center of the centering mounting plate 406, and the positioning pin 408 pushes the spoke material to move, so that the center of the spoke material is overlapped with the center of the centering mounting plate 406, and the spoke material centering process is completed.

Because the horizontal plane projection of spoke material is circular, in order to realize the location to spoke material, the quantity of centering linear slide rail 402 is at least three, through the mode of three points or more, puts the position of spoke material straight, makes the center of spoke material and the center coincidence of centering mounting panel 406. The number of the centering sliders 404 and the number of the positioning pins 408 are the same as the number of the centering linear slides 402.

In a preferred embodiment of the present invention, a guide plate 409 and a buffer body 410 are further installed on the centering mounting plate 406 at a position corresponding to each centering linear slide rail 402, the buffer body 410 is located at the front end of the guide plate 409 and closer to the center of the centering mounting plate 406, when spoke material falls onto the centering mounting plate 406, the guide plate 409 guides the spoke material, and the buffer body 410 buffers the spoke material.

In order to adjust the overall height of the material centering mechanism 4, an adjusting anchor 411 is installed at the bottom end of the centering frame 401.

The above details describe the structure of the primary drawing feeding device provided by the embodiment of the present invention, and the work flow of the primary drawing feeding device is as follows:

after blanking, the spoke materials fall onto the roller way conveying mechanism 1, the roller way conveying mechanism 1 conveys the spoke materials to the position of a material blocking rod at the end part of a transmission roller group 103, the roller way driving motor 102 stops working, a transverse moving driving motor 2104 drives a material sucking and releasing unit to transversely move to the position of the spoke materials, a lifting driving motor 2204 drives a material taking rod 2201 to descend so that a sucker 2202 at the left end of the material taking rod 2201 sucks the spoke materials tightly, the lifting driving motor 2204 drives the material taking rod 2201 to rise to a certain height, the transverse moving driving motor 2104 drives the material sucking and releasing unit to transversely move so that the left end of the material taking rod 2201 travels to the upper part of a material centering mechanism 4, the lifting driving motor 2204 drives the material taking rod 2201 to fall to a certain height, the spoke materials are separated from the sucker 2203 and fall into the spoke material centering mechanism 4 after the air is cut off, a lifting cylinder 405 retracts to drive a positioning pin 408 on, the center of the spoke material is coincided with the center of the centering mounting plate 406, the lifting drive motor 2204 drives the material taking rod 2201 to fall for a certain height so that a sucker 2202 at the right end of the material taking rod 2201 can suck the centered spoke material tightly, the lifting drive motor 2204 drives the material taking rod 2201 to rise for a certain height, the transverse movement drive motor 2104 drives the material sucking and releasing unit to transversely move, the sucker 2202 at the right end of the material taking rod 2201 is moved to the center position of the primary drawing equipment 3, the lifting drive motor 2204 drives the material taking rod 2201 to fall for a certain height, the sucker 2202 at the right end of the material taking rod 2201 is cut off to enable the spoke material to be separated from the sucker 2202 and fall into a lower die of the primary drawing die 302, the material sucking and releasing unit returns to the initial position, and the press 301 drives an upper die of the primary.

The above embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The primary drawing feeding device is characterized in that: the automatic material transplanting device comprises a roller way conveying mechanism and a material transplanting mechanism positioned at one end of the roller way conveying mechanism, wherein the roller way conveying mechanism is used for conveying materials, and the material transplanting mechanism is used for transplanting the materials conveyed in place by the roller way conveying mechanism to an appointed position;

the material transferring mechanism comprises a traveling unit and a material sucking and releasing unit, the traveling unit is used for driving the material sucking and releasing unit to move transversely, and when the material sucking and releasing unit moves transversely above the roller way conveying mechanism, the material transferring mechanism is used for sucking materials on the roller way conveying mechanism; and when the material sucking and releasing unit moves to a specified position transversely, the sucking and releasing unit is used for releasing the sucked materials.

2. The primary drawing feeding device according to claim 1, characterized in that: the walking unit comprises an upright post, a cross beam, a walking unit mounting plate, a transverse moving driving motor, a transverse linear sliding rail, a transverse sliding block, a transverse moving gear and a transverse moving rack, wherein the cross beam is supported at the top end of the upright post, the transverse linear sliding rail and the transverse moving rack are respectively mounted on the cross beam, the transverse moving driving motor and the transverse sliding block are respectively fixed on the walking unit mounting plate, and the transverse moving gear is sleeved on an output shaft of the transverse moving driving motor and is in meshed transmission with the rack to drive the transverse sliding block to slide on the transverse linear sliding rail.

3. The primary drawing feeding device according to claim 2, characterized in that: and fixing frames are arranged at two ends of the cross beam, and cushion pads are arranged on the fixing frames.

4. The primary drawing feeding device according to claim 3, characterized in that: the material sucking and placing unit comprises a material sucking and placing module, and the material sucking and placing module comprises a material taking rod and a sucker installed on the material taking rod.

5. The primary drawing feeding device according to claim 4, wherein: the material sucking and placing unit further comprises a lifting module, the lifting module comprises a lifting module mounting plate, a lifting driving motor, a lifting gear, a lifting rack, a lifting linear slide rail and a lifting slider, the lifting driving motor and the lifting slider are fixed on the walking unit mounting plate respectively, the lifting rack and the lifting linear slide rail are mounted on the lifting module mounting plate respectively, the lifting gear is sleeved on an output shaft of the lifting driving motor and is in meshed transmission with the lifting rack to drive the lifting module to slide on the lifting linear slide rail.

6. The primary drawing feeding device according to claim 5, wherein: still install the tie-beam on the lift module mounting panel, the bottom of tie-beam with get the position fixed connection that the material pole is close to the end, the sucking disc is installed get the both ends of material pole.

7. The primary drawing feeding device according to claim 1, characterized in that: the material transfer mechanism is characterized by further comprising a material centering mechanism located on one side of the material transfer mechanism, the material centering mechanism comprises a centering frame, a centering linear slide rail, a centering slide block, a guide pillar and a lifting cylinder, a centering mounting plate is mounted at the top end of the centering frame, the lifting cylinder is mounted on the centering frame and located below the centering mounting plate, the centering linear slide rail is mounted on the centering mounting plate, the centering slide block is connected to the centering linear slide rail in a sliding mode, a positioning pin is fixed on the centering slide block, the centering slide block is connected with one end of the guide pillar through a connecting rod, and the other end of the guide pillar is movably connected with a piston rod of the lifting cylinder.

8. The primary drawing feeding device according to claim 7, characterized in that: the centering mounting plate is provided with a guide plate and a buffer body corresponding to the position of the centering linear slide rail, and the bottom end of the centering frame is provided with an adjusting foot margin.

9. The primary drawing feeding device according to claim 1, characterized in that: the roller way conveying mechanism comprises a roller way frame, a roller way driving motor and a transmission roller set, the transmission roller set and the roller way driving motor are respectively installed on the roller way frame, and the roller way driving motor and the transmission roller set are in chain transmission.

10. The primary drawing feeding device according to claim 9, characterized in that: and the bottom end of the roller way frame is provided with an adjustable foot margin.