CN111230561B

CN111230561B - Processing technology for manufacturing steel pipe by galvanized steel pipe truss

Info

Publication number: CN111230561B
Application number: CN202010116236.7A
Authority: CN
Inventors: 潘岳燕; 熊芳
Original assignee: Shanghai Nengli Industrial Co Ltd
Current assignee: Shanghai Nengli Industrial Co ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2021-05-11
Anticipated expiration: 2040-02-25
Also published as: CN111230561A

Abstract

The invention relates to a processing technology for manufacturing a steel pipe by a galvanized steel pipe truss, and particularly relates to a processing device for manufacturing the steel pipe by the galvanized steel pipe truss, which specifically comprises a base, an automatic feeding mechanism arranged on the base, a displacement mechanism arranged on the base, a clamping supporting platform arranged on the displacement mechanism, two centering mechanisms fixedly arranged on the base in a mirror image mode, and two pipe end cutting mechanisms fixedly arranged on the base in a mirror image mode.

Description

Processing technology for manufacturing steel pipe by galvanized steel pipe truss

Technical Field

The invention relates to the technical field of steel frame structure processing, and particularly provides a processing technology for manufacturing a steel pipe by a galvanized steel pipe truss.

Background

The truss is a lattice structure formed by connecting rod pieces at the end parts, and the pipe truss is a structure in which the rod pieces are all round pipe rod pieces. The truss members provide an economical material for the truss structure, provide a light weight structure, and are easily configured in various configurations to accommodate different uses, such as simple trusses, arches, frames, towers, and the like. In recent years, with the continuous increase of steel output in China, pipe trusses are widely used, the proportion of the pipe trusses in buildings is larger, and industrial equipment platform production lines such as industrial plants and automobiles, logistics storage, public building gymnasiums, business clubs, high-speed rail platforms, subway platforms, high-rise business buildings and the like are widely applied. The steel pipe structure also makes a great breakthrough. The steel pipe structure has the greatest advantage that the functional requirements, the sensory requirements and the economic benefit requirements of people on buildings can be perfectly combined.

The pipe truss structure mainly comprises main supporting steel pipes and structural steel pipes, and the pipe truss generally needs to be manufactured and processed in advance according to design and then is transported to a construction site in a unified manner for welding and assembling; in order to ensure the welding reliability between the structural steel pipe and the main support steel pipe, two connection forms are generally adopted, and two corresponding modes are adopted for processing, wherein one mode is to cut the end part of the structural steel pipe into an arc notch outline structure meshed with the main support steel pipe, and the other mode is to perform drilling processing on the main support steel pipe, then perform welding processing after inserting the structural steel pipe into a hole; wherein first kind of processing mode adopts the mode of manual cutting respectively to cut the steel pipe both ends in the course of working basically, and at the in-process of processing in batches, machining efficiency is lower obviously, and machining efficiency receives artificial influence great, and intensity of labour is very big equally moreover.

Based on the problems, the invention provides a processing technology for manufacturing a steel pipe by using a galvanized steel pipe truss.

Disclosure of Invention

In order to solve the problems, the invention provides a processing technology for manufacturing a steel pipe by using a galvanized steel pipe truss, and also relates to a processing device for manufacturing a steel pipe by using a galvanized steel pipe truss, which can solve the problems in the background art.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a processing technology for manufacturing a steel pipe by a galvanized steel pipe truss specifically comprises the following steps:

s1, centering and fine adjustment: adjusting the height of a centering cone in the centering mechanism to enable the centering cone to be aligned and inserted into a port of the steel pipe to be processed;

s2, cutting radius adjustment: adjusting the distance of the cutting motor relative to the rotation center of the electric turntable according to the arc radius of the cutting process required by the steel pipe processing;

s3, cutting position adjustment: correspondingly adjusting the relative distance between the two cutting motors according to the length of the steel pipe to be processed, so that the two cutting motors are correspondingly arranged at the cutting positions at the two ends of the steel pipe;

s4, steel pipe receiving: the clamping bearing platform is driven by the displacement mechanism to move to a position near the automatic feeding mechanism, so that the steel pipe can fall on the bearing plate at the position;

s5, steel pipe conveying: a steel pipe is fed onto the bearing plate through the automatic feeding mechanism;

s6, centering the steel pipe: the steel pipe is in a centered position through two centering mechanisms;

s7, clamping the steel pipe: after the centering in the step S6 is finished, clamping the steel pipe through two clamping mechanisms on the clamping bearing platform;

s8, feeding into a cutting position: moving the clamped steel pipe to a cutting position through a displacement mechanism;

s9, pipe end cutting: simultaneously cutting the two ends of the steel pipe through the two pipe end cutting mechanisms to cut the two ends of the steel pipe to obtain preset arc notches;

s10, discharging: after the pipe end cutting in the step S9 is finished, the electric turntable drives the steel pipe to rotate for ninety degrees, and then the clamping mechanism is released to draw out the steel pipe;

the process of processing the steel pipe by using the galvanized steel pipe truss manufacturing steel pipe processing process of the steps S1-S10 further specifically relates to a galvanized steel pipe truss manufacturing steel pipe processing device, which specifically comprises a base, an automatic feeding mechanism arranged on the base, a displacement mechanism arranged on the base, a clamping support platform arranged on the displacement mechanism, two centering mechanisms fixedly arranged on the base in a mirror image manner, and two pipe end cutting mechanisms fixedly arranged on the base in a mirror image manner, wherein the two centering mechanisms and the two pipe end cutting mechanisms are both distributed on two sides of the displacement mechanism, and the centering mechanisms are positioned between the automatic feeding mechanism and the pipe end cutting mechanisms, wherein:

the centering mechanism comprises an L-shaped guide bottom plate fixedly mounted on the base, a lifting cylinder vertically and fixedly mounted on the guide bottom plate, a lifting seat vertically and slidably mounted on the guide bottom plate, a centering cylinder fixedly mounted on the outer side wall of the lifting seat, a fixed seat horizontally and slidably mounted on the lifting seat and a centering cone fixedly mounted on the fixed seat, the output end of the lifting cylinder is fixedly connected with the lifting seat, the fixed seat is fixedly connected with the output end of the centering cylinder, and the sliding direction of the fixed seat is perpendicular to the displacement direction of the displacement mechanism;

the pipe end cutting mechanism comprises a movable guide base fixedly arranged on the base, a hand wheel screw horizontally and rotatably arranged on the movable guide base, a mounting frame horizontally and slidably arranged on the movable guide base, a vertical cylinder vertically and fixedly arranged at the top end of the mounting frame, an electric turntable with the bottom fixedly connected with the output end of the vertical cylinder, a disc fixedly arranged at the lower end of the electric turntable, an adjusting screw horizontally and rotatably arranged on the disc, a motor fixing block horizontally and slidably arranged at the bottom end of the disc and a cutting motor fixedly arranged on the motor fixing block, the mounting rack is in threaded connection with the hand wheel screw, the sliding direction of the mounting rack is vertical to the displacement direction of the displacement mechanism, the electric turntable is located at the position below the mounting frame, and the motor fixing block is in threaded connection with the adjusting screw rod.

Preferably, the automatic feeding mechanism comprises a supporting hopper fixedly mounted on the base, a driving motor fixedly mounted on the inner side wall of the supporting hopper, a feeding roller horizontally rotatably mounted on the supporting hopper and a transmission belt for transmission, a slope stacking area is arranged at the top end of the supporting hopper, a feeding port is arranged at the lower front position of the slope stacking area of the supporting hopper, the feeding roller is located under the feeding port, a driving belt wheel is arranged on an output shaft of the driving motor, a driven belt wheel is arranged at one side shaft end of the feeding roller, and the driving belt wheel and the driven belt wheel are in transmission connection through the transmission belt.

Preferably, the displacement mechanism comprises a displacement cylinder fixedly mounted on the base, two slide rails fixedly mounted on the base, and two slide plates slidably mounted on the slide rails, wherein the two slide rails are symmetrically distributed about the displacement cylinder, and the slide plates are fixedly connected with the output end of the displacement cylinder.

Preferably, press from both sides tight bearing platform and include fixed mounting and be in electronic revolving stage, fixed mounting that slide central point put the bearing board and two settings of electronic revolving stage upper end are in embrace and press from both sides the mechanism on the bearing board, two embrace to press from both sides the mechanism correspondence and set up and be close to the both ends position of bearing board, it includes two vertical fixed mounting and press from both sides the fixed plate of bearing board upper end, two one-to-one fixed mounting are two die clamping cylinder and two one-to-one fixed mounting on the fixed plate lateral wall press from both sides the splint of embracing of die clamping cylinder output, two the fixed plate is about the central plane symmetric distribution of bearing board, two embrace the splint and be located the inboard of fixed plate.

Preferably, four roller grooves are uniformly distributed on the roller surface of the feeding roller relative to the central shaft of the feeding roller.

Preferably, two arc-shaped bearing grooves are formed in the bearing plate, and the two bearing grooves are correspondingly distributed in the middle of the two holding and clamping mechanisms.

The technical scheme has the following advantages or beneficial effects:

the invention relates to a processing device for manufacturing a steel pipe of a galvanized steel pipe truss in a processing process for manufacturing the steel pipe of the galvanized steel pipe truss, in the device, an automatic feeding mechanism can replace manual work to automatically convey the steel pipe, full automation can be realized, an arranged displacement mechanism can drive the conveyed steel pipe to further carry out reciprocating switching of a centering position and a cutting position, an arranged clamping and supporting platform can support and fixedly clamp the steel pipe, the arranged centering mechanism can automatically center the steel pipe on the basis of adjusting the height of the position, an arranged pipe end cutting mechanism can synchronously cut and process two ends of the steel pipe simultaneously, so that a corresponding arc notch structure is finally obtained The centering mechanism and the pipe end cutting mechanism are matched with each other to realize automatic operation, synchronous cutting processing of two ends of the steel pipe can be automatically completed, labor intensity of workers is greatly reduced, and production and processing efficiency is greatly improved.

Drawings

The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

FIG. 1 is a process flow chart of a processing technique for manufacturing a steel pipe by a galvanized steel pipe truss provided by the invention;

FIG. 2 is a schematic perspective view of a processing device for manufacturing a steel pipe with a galvanized steel pipe truss according to the present invention at one viewing angle;

FIG. 3 is a schematic perspective view of a processing device for manufacturing a steel pipe with a galvanized steel pipe truss according to another perspective view;

FIG. 4 is a top view of a steel pipe processing device for manufacturing a galvanized steel pipe truss according to the present invention;

FIG. 5 is a side view of a steel pipe processing device for manufacturing a galvanized steel pipe truss according to the present invention;

fig. 6 is a partially enlarged schematic view at a in fig. 5.

In the figure: 1. a base; 2. an automatic feeding mechanism; 21. a material supporting hopper; 211. a slope stockpiling region; 212. a feeding port; 22. a drive motor; 221. a drive pulley; 23. a feed roller; 231. a driven pulley; 232. a roller groove; 24. a transmission belt; 3. a displacement mechanism; 31. a displacement cylinder; 32. a slide rail; 33. a slide plate; 4. clamping the bearing platform; 41. an electric turntable; 42. a support plate; 421. a bearing groove; 43. a clamping mechanism; 431. a fixing plate; 432. a clamping cylinder; 433. clamping plates; 5. a centering mechanism; 51. a guide base plate; 52. a lifting cylinder; 53. a lifting seat; 54. a centering cylinder; 55. a fixed seat; 56. centering the cone; 6. a pipe end cutting mechanism; 61. a mobile guide base; 62. a hand wheel screw; 63. a mounting frame; 64. a vertical cylinder; 65. an electric turntable; 66. a disc; 67. adjusting the screw rod; 68. a motor fixing block; 69. the motor is cut.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.

Referring to the attached drawings 1-6, the processing technology for manufacturing the steel pipe by the galvanized steel pipe truss specifically comprises the following steps:

s1, centering and fine adjustment: adjusting the height of the centering cone 56 in the centering mechanism 5 so that the centering cone 56 can be aligned with the port of the steel pipe to be processed;

s2, cutting radius adjustment: the distance of the cutting motor 69 relative to the rotation center of the electric turntable 65 is adjusted according to the arc radius of the cutting process required by the steel pipe processing;

s3, cutting position adjustment: correspondingly adjusting the relative distance between the two cutting motors 69 according to the length of the steel pipe to be processed, so that the two cutting motors 69 are correspondingly arranged at the cutting positions at the two ends of the steel pipe;

s4, steel pipe receiving: the displacement mechanism 3 drives the clamping bearing platform 4 to move to a position near the automatic feeding mechanism 2, so that the steel pipe can fall on the bearing plate 42 at the position;

s5, steel pipe conveying: a steel pipe is fed onto the supporting plate 42 through the automatic feeding mechanism 2;

s6, centering the steel pipe: the steel pipe is in a centered position through two centering mechanisms 5;

s7, clamping the steel pipe: after the centering in step S6 is completed, the steel pipe is clamped by the two clamping mechanisms 43 on the clamping support table 4;

s8, feeding into a cutting position: the clamped steel pipe is moved to a cutting position by a displacement mechanism 3;

s9, pipe end cutting: the two ends of the steel pipe are simultaneously cut by the two pipe end cutting mechanisms 6, so that the two ends of the steel pipe are cut to obtain preset arc notches;

s10, discharging: after the pipe end cutting in step S9 is completed, the electric turntable 41 drives the steel pipe to rotate ninety degrees, and then the clasping mechanism 43 is released to draw out the steel pipe;

adopt the galvanized steel pipe truss preparation steel pipe processing technology of above-mentioned step S1-S10 to still concretely relate to a galvanized steel pipe truss preparation steel pipe processing device to the in-process of carrying out the processing to the steel pipe, it specifically includes base 1, the autoloading mechanism 2 of setting on base 1, the displacement mechanism 3 of setting on base 1, the tight supporting platform 4 of clamp that sets up on displacement mechanism 3, two mirror images set up centering mechanism 5 and two mirror images of fixed mounting on base 1 and set up the pipe end cutting mechanism 6 of fixed mounting on base 1, two centering mechanisms 5 and two pipe end cutting mechanisms 6 all distribute the both sides at displacement mechanism 3, centering mechanism 5 is located between autoloading mechanism 2 and pipe end cutting mechanism 6, wherein:

the centering mechanism 5 comprises an L-shaped guide bottom plate 51 fixedly installed on the base 1 in a welding mode, a lifting cylinder 52 vertically and fixedly installed on the guide bottom plate 51, a lifting seat 53 vertically and slidably installed on the guide bottom plate 51, a centering cylinder 54 fixedly installed on the outer side wall of the lifting seat 53 through a bolt, a fixed seat 55 horizontally and slidably installed on the lifting seat 53 and a centering cone 56 fixedly installed on the fixed seat 55 through a bolt, the output end of the lifting cylinder 52 is fixedly connected with the lifting seat 53, the fixed seat 55 is fixedly connected with the output end of the centering cylinder 54, and the sliding direction of the fixed seat 55 is perpendicular to the displacement direction of the displacement mechanism 3;

because the diameter sizes of the steel pipes to be machined are different, the centering and fine adjustment operation in step S1 needs to be completed, that is, the lifting cylinder 52 is started to drive the lifting seat 53 to lift, so as to drive the adjustment of the height of the centering cone 56, so that the centering cone 56 after height adjustment can be aligned to the port of the steel pipe to be machined; the steel pipe is put into the slope windrow area 211 in the holding hopper 21 at will, therefore fall on the supporting plate 42 and then do not locate at the center position of the two pipe end cutting mechanisms 6, therefore can realize the centering of the steel pipe through the two centering mechanisms 5, concretely, when the steel pipe is centered in the step S6, when the automatic feeding mechanism 2 sends the steel pipe downwards on the supporting plate 42, the two centering cylinders 54 are started, thereby the two fixing seats 55 are driven to move towards each other, thereby the two centering cones 56 are driven to jack the two ends of the steel pipe tightly, thereby the automatic centering of the steel pipe is realized in the process of jacking the two ends, and in addition, the steel pipe is convenient to clamp through the clasping mechanism 43 after the two centering cones 56 jack the two ends tightly.

The pipe end cutting mechanism 6 comprises a movable guide base 61 fixedly welded on the base 1, a hand wheel screw 62 horizontally and rotatably arranged on the movable guide base 61, a mounting frame 63 horizontally and slidably arranged on the movable guide base 61, a vertical cylinder 64 vertically and fixedly arranged at the top end of the mounting frame 63 through a bolt, an electric rotary disc 65 with the bottom fixedly connected with the output end of the vertical cylinder 64 through a bolt, a disc 66 fixedly arranged at the lower end of the electric rotary disc 65 through a bolt, an adjusting screw 67 horizontally and rotatably arranged on the disc 66, a motor fixing block 68 horizontally and slidably arranged at the bottom end of the disc 66 and a cutting motor 69 fixedly arranged on the motor fixing block 68, the mounting frame 63 is in threaded connection with the hand wheel screw 62, the sliding direction of the mounting frame 63 is perpendicular to the displacement direction of the displacement mechanism 3, the electric rotating disc 65 is located below the mounting frame 63, and the motor fixing block 68 is in threaded connection with the adjusting screw 67.

Before cutting, the cutting radius adjustment in step S2 and the cutting position adjustment in step S3 need to be completed, and when the operation in step S2 is performed, because the radii corresponding to the arcs of the notch to be cut at the end of the steel pipe are different, the adjusting screw 67 is rotated to drive the motor fixing block 68 to slide along the disc 66, so as to drive the cutting motor 69 to adjust the relative radius relative to the center of the electric turntable 65, so that the relative radius corresponds to the radius of the arc notch to be cut; when the operation of step S3 is performed, the hand wheel screw 62 is rotated to drive the mounting frame 63 to slide along the moving guide base 61, so as to adjust the position, and the cutting motor 69 is located right above the cutting position of the arc notch at the end of the steel pipe; after the steel pipe is sent to the cutting position in the step S8, the pipe end cutting operation in the step S9 can be performed, and when the cutting is performed, an appropriate cutting milling cutter is selected and mounted at the output end of the cutting motor 69, on one hand, the electric turntable 65 drives the cutting motor 69 to rotate back and forth in the cutting range, on the other hand, the vertical cylinder 64 drives the cutting motor 69 to feed downwards for cutting, so that the cutting processing of the end of the steel pipe is completed through the matching of the two actions, and the end of the steel pipe forms an arc notch with a preset size.

Further, the automatic feeding mechanism 2 comprises a supporting hopper 21 fixedly installed on the base 1 in a welding mode, a driving motor 22 fixedly installed on the inner side wall of the supporting hopper 21 through bolts, a feeding roller 23 horizontally and rotatably installed on the supporting hopper 21 and a transmission belt 24 used for transmission, a slope stacking area 211 is arranged at the top end of the supporting hopper 21, a feeding opening 212 is formed in the lower front position of the slope stacking area 211 of the supporting hopper 21, the feeding roller 23 is located right below the feeding opening 212, a driving belt wheel 221 is arranged on an output shaft of the driving motor 22, a driven belt wheel 231 is arranged at one side shaft end of the feeding roller 23, and the driving belt wheel 221 and the driven belt wheel 231 are in transmission connection through the transmission belt 24.

The automatic feeding mechanism 2 will automatically feed the steel pipes stacked in the supporting hopper 21, specifically, when the steel pipe receiving operation of step S4 and the steel pipe conveying operation of step S5 are performed, after the displacement mechanism 3 drives the clamping supporting platform 4 to move to a position close to the feeding roller 23, that is, the steel pipes at the position can fall on the supporting plate 42, the driving motor 22 (the driving motor 22 is a stepping motor) will drive the driving pulley 221 to rotate, the driving pulley 221 will drive the driven pulley 231 to rotate through the driving belt 24, thereby driving the feeding roller 23 to rotate a quarter turn, the steel pipes wrapped in one of the roller slots 232 will feed the steel pipes onto the clamping supporting platform 4 along with the rotation, and then the automatic feeding of the steel pipes will be completed, and the steel pipes will be received on the clamping supporting platform 4.

Further, the displacement mechanism 3 comprises a displacement cylinder 31 fixedly mounted on the base 1 through a bolt, two slide rails 32 fixedly mounted on the base 1 through welding, and a sliding plate 33 slidably mounted on the two slide rails 32, wherein the two slide rails 32 are symmetrically distributed about the displacement cylinder 31, and the sliding plate 33 is fixedly connected with an output end of the displacement cylinder 31.

The steel pipe can be moved from the centering position to the cutting position through the displacement mechanism 3, namely the steel pipe can shuttle back and forth between the two positions, and particularly the displacement cylinder 31 drives the sliding plate 33 to slide along the sliding rail 32, so that the clamping support table 4 installed on the sliding plate 33 is driven to move along with the sliding plate, and then the position switching of the steel pipe clamped on the clamping support table 4 is realized.

Further, the clamping support platform 4 comprises an electric turntable 41 fixedly installed at the center of the sliding plate 33 through a bolt, a support plate 42 fixedly installed at the upper end of the electric turntable 41 through a bolt, and two clamping mechanisms 43 arranged on the support plate 42, wherein the two clamping mechanisms 43 are correspondingly arranged at two ends close to the support plate 42, each clamping mechanism 43 comprises two fixing plates 431 vertically welded and fixedly installed at the upper end of the support plate 42, two clamping cylinders 432 fixedly installed on the outer side walls of the two fixing plates 431 in a one-to-one correspondence manner, and two clamping plates 433 fixedly installed at the output ends of the two clamping cylinders 432 in a one-to-one correspondence manner, the two fixing plates 431 are symmetrically distributed about the center plane of the support plate 42, and the two clamping plates 433 are located at the inner sides.

After the steel pipe falls from the automatic feeding mechanism 2, the steel pipe will automatically fall on the center position of the supporting groove 421, in the process of centering and clamping through the two centering cylinders 54 in the centering mechanism 5, under the state of keeping the two ends clamped, when the steel pipe is clamped in the step S7, the clamping cylinder 432 is started, so that the clamping is realized under the clamping of the two clamping plates 433, the clamping and fixing of the steel pipe will be completed under the clamping of the two clamping mechanisms 43, in addition, after the machining of the end part of the steel pipe is completed, the steel pipe can be driven to rotate ninety degrees through the electric turntable 41, and the steel pipe can be conveniently drawn out after the clamping is loosened.

Further, four roller grooves 232 are uniformly distributed on the roller surface of the feeding roller 23 relative to the central shaft thereof. The roller groove 232 is used for holding the steel pipe, so that the steel pipe is driven by the feed roller 23 to feed.

Furthermore, two arc-shaped supporting grooves 421 are provided on the supporting plate 42, and the two supporting grooves 421 are correspondingly distributed at the middle position of the two clasping mechanisms 43. It should be noted that when the clamping support table 4 is moved to the centering position by the displacement mechanism 3, the central axis of the support groove 421 and the central axis of the centering cone 56 may be in the same vertical plane.

Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.

The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; it will be understood by those skilled in the art that various changes and modifications may be made, or equivalents may be modified, without departing from the spirit of the invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.

Claims

1. A processing technology for manufacturing a steel pipe by a galvanized steel pipe truss is characterized by comprising the following steps: the processing technology specifically comprises the following steps:

s1, centering and fine adjustment: adjusting the height of a centering cone (56) in the centering mechanism (5) so that the centering cone (56) can be aligned with a port for inserting a steel pipe to be processed;

s2, cutting radius adjustment: the distance between the cutting motor (69) and the rotation center of the electric turntable (65) is adjusted according to the arc radius of the cutting process required by the steel pipe processing;

s3, cutting position adjustment: correspondingly adjusting the relative distance of the two cutting motors (69) according to the length of the steel pipe to be processed, so that the two cutting motors (69) are correspondingly arranged at the cutting positions at the two ends of the steel pipe;

s4, steel pipe receiving: the clamping bearing platform (4) is driven by the displacement mechanism (3) to move to a position near the automatic feeding mechanism (2), so that the steel pipe can fall on the bearing plate (42) at the position;

s5, steel pipe conveying: a steel pipe is fed onto a bearing plate (42) through an automatic feeding mechanism (2);

s6, centering the steel pipe: the steel pipe is in a centered position through two centering mechanisms (5);

s7, clamping the steel pipe: after the centering in the step S6 is finished, clamping the steel pipe through two clamping mechanisms (43) on the clamping bearing platform (4);

s8, feeding into a cutting position: the clamped steel pipe is moved to a cutting position through a displacement mechanism (3);

s9, pipe end cutting: the two ends of the steel pipe are simultaneously cut by the two pipe end cutting mechanisms (6), so that the two ends of the steel pipe are cut to obtain preset arc notches;

s10, discharging: after the pipe end cutting in the step S9 is finished, the electric turntable (41) drives the steel pipe to rotate ninety degrees, and then the clamping mechanism (43) is released to draw out the steel pipe;

the processing device for the galvanized steel pipe truss manufacturing steel pipe comprises a base (1), an automatic feeding mechanism (2) arranged on the base (1), a displacement mechanism (3) arranged on the base (1), a clamping supporting table (4) arranged on the displacement mechanism (3), two centering mechanisms (5) fixedly arranged on the base (1) in a mirror image mode, and two pipe end cutting mechanisms (6) fixedly arranged on the base (1) in a mirror image mode, wherein the two centering mechanisms (5) and the two pipe end cutting mechanisms (6) are distributed on two sides of the displacement mechanism (3), the two pipe end cutting mechanisms (5) are located between the automatic feeding mechanism (2) and the cutting mechanisms (6), wherein:

the centering mechanism (5) comprises an L-shaped guide bottom plate (51) fixedly mounted on the base (1), a lifting cylinder (52) vertically and fixedly mounted on the guide bottom plate (51), a lifting seat (53) vertically and slidably mounted on the guide bottom plate (51), a centering cylinder (54) fixedly mounted on the outer side wall of the lifting seat (53), a fixed seat (55) horizontally and slidably mounted on the lifting seat (53) and a centering cone (56) fixedly mounted on the fixed seat (55), the output end of the lifting cylinder (52) is fixedly connected with the lifting seat (53), the fixed seat (55) is fixedly connected with the output end of the centering cylinder (54), and the sliding direction of the fixed seat (55) is perpendicular to the displacement direction of the displacement mechanism (3);

the pipe end cutting mechanism (6) comprises a movable guide base (61) fixedly installed on the base (1), a hand wheel screw (62) horizontally rotatably installed on the movable guide base (61), a mounting frame (63) horizontally slidably installed on the movable guide base (61), a vertical cylinder (64) vertically fixedly installed at the top end of the mounting frame (63), an electric rotary table (65) with the bottom fixedly connected with the output end of the vertical cylinder (64), a disc (66) fixedly installed at the lower end of the electric rotary table (65), an adjusting screw (67) horizontally rotatably installed on the disc (66), a motor fixing block (68) horizontally slidably installed at the bottom end of the disc (66) and a cutting motor (69) fixedly installed on the motor fixing block (68), wherein the mounting frame (63) is in threaded connection with the hand wheel screw (62), the sliding direction of mounting bracket (63) with the displacement direction of displacement mechanism (3) is perpendicular, electric turntable (65) are located the below position of mounting bracket (63), motor fixed block (68) with adjusting screw (67) threaded connection.

2. The processing technology for the galvanized steel pipe truss manufactured by the steel pipe as claimed in claim 1, which is characterized in that: the automatic feeding mechanism (2) comprises a material supporting hopper (21) fixedly arranged on the base (1), a driving motor (22) fixedly arranged on the inner side wall of the material supporting hopper (21), a feeding roller (23) horizontally and rotatably arranged on the material supporting hopper (21) and a transmission belt (24) for transmission, a slope stacking area (211) is arranged at the top end of the material supporting hopper (21), a feeding opening (212) is arranged at the lower front position of the slope stacking area (211) of the material supporting hopper (21), the feed roller (23) is positioned right below the feed port (212), a drive belt wheel (221) is arranged on an output shaft of the drive motor (22), and a driven belt wheel (231) is arranged at the shaft end of one side of the feeding roller (23), and the driving belt wheel (221) is in transmission connection with the driven belt wheel (231) through the transmission belt (24).

3. The processing technology for the galvanized steel pipe truss manufactured by the steel pipe as claimed in claim 1, which is characterized in that: displacement mechanism (3) are including fixed mounting displacement cylinder (31), fixed mounting on base (1) two slide rail (32) and slidable mounting on base (1) are two slide plate (33) on slide rail (32), two slide rail (32) about displacement cylinder (31) symmetric distribution, slide plate (33) with the output fixed connection of displacement cylinder (31).

4. The processing technology for the galvanized steel pipe truss manufactured steel pipe according to claim 3, characterized by comprising the following steps of: the clamping support platform (4) comprises an electric rotary table (41) fixedly arranged at the center of the sliding plate (33), a support plate (42) fixedly arranged at the upper end of the electric rotary table (41) and two clamping mechanisms (43) arranged on the support plate (42), the two clamping mechanisms (43) are correspondingly arranged at the positions close to the two ends of the support plate (42), embrace and press from both sides mechanism (43) including two vertical fixed mounting in fixed plate (431), two one-to-one fixed mounting in two of bearing board (42) upper end die clamping cylinder (432) on fixed plate (431) lateral wall and two one-to-one fixed mounting are in two die clamping plate (433) of die clamping cylinder (432) output, two fixed plate (431) about the central plane symmetric distribution of bearing board (42), two it is located to embrace die clamping plate (433).

5. The processing technology for the galvanized steel pipe truss manufactured by the steel pipe as claimed in claim 2, characterized in that: four roller grooves (232) are uniformly distributed on the roller surface of the feeding roller (23) relative to the central shaft of the feeding roller.

6. The processing technology for the galvanized steel pipe truss manufactured by the steel pipe as claimed in claim 1, which is characterized in that: two arc-shaped supporting grooves (421) are arranged on the supporting plate (42), and the two supporting grooves (421) are correspondingly distributed in the middle positions of the two holding and clamping mechanisms (43).