A pipe conveying device for stent machining

Abstract

The application relates to the technical field of round pipe conveying equipment, and particularly discloses a round pipe conveying device for support machining, which comprises a base, two pairs of universal wheels, a turnover structure, a feeding structure, a first limiting structure and a second limiting structure; the base is of a rectangular structure, and the two pairs of universal wheels are fixedly arranged on the lower wall of the base; the application has high flexibility and good stability, the equipment can move on the ground, can be turned to a vertical state when needed, the conveying process of pipe workpieces is more flexible, and the requirement of different scenes can be met; the workpiece is clamped and limited by the first limiting unit, the workpiece cannot fall off in the turnover process, the working stability is improved, and the occurrence of accidents is reduced; the second limiting structure can be adjusted to realize pipe material conveying limiting at different angles and anti-falling in the turnover process, a convenient operation mode is provided for operators, and the operation is more simple and efficient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of round pipe conveying equipment, in particular to a round pipe conveying device for support machining. BACKGROUND

[0002] The sunshade has comprehensive external sunshade function and can completely block the radiation of ultraviolet rays, especially in the seaside area, some of the sunshades are used for personnel rest, and some are used for parking of speedboats and other vessels to prevent external damage caused by long-term sun exposure and rain; The sunshades are mostly welded by round pipes, but the pipe material is relatively long, so the weight is large; After the pipe material is transported to the seaside, it is mostly transported to the corresponding setting section to facilitate direct setting of the finished product and reduce the burden of movement, but the pipe material is extremely laborious to carry by human body, therefore, the present application designs a round pipe conveying device for support machining to save manpower in the sunshade machining process. SUMMARY

[0003] The present application aims to provide a round pipe conveying device for support machining to solve the problems in the background art.

[0004] To achieve the above problem-solving, the present application provides the following technical scheme: a round pipe conveying device for support machining, comprising a base, two pairs of universal wheels, a turnover structure, a feeding structure, a first limiting structure and a second limiting structure; the base is of rectangular structure, two pairs of the universal wheels are fixedly arranged on the lower wall of the base and are respectively close to the four corner parts, the turnover structure is fixedly arranged on the upper wall of the base, the feeding structure is fixedly arranged on the turnover structure, the first limiting structure is fixedly arranged in the turnover seat of the turnover structure, and the second limiting structure is fixedly arranged on the lower wall of the left end of the turnover seat of the turnover structure.

[0005] Preferably, the turnover structure comprises a first sliding base, a first screw rod, a first motor, a moving table, a turnover seat, a turnover frame and a pair of adapter seats; the first sliding base is fixedly arranged on the upper wall of the base and located at the middle of the left end, the first screw rod is movably embedded in the middle of the left and right side walls of the first sliding base at both ends, the first motor is fixedly arranged on the base and the driving end is fixedly connected with one end of the first screw rod, one end of the moving table is movably embedded in the first sliding base and rotatably connected with the first screw rod, the top of the turnover seat is concave and the bottom is hollow, the left end of the turnover seat is movably connected with the other end of the moving table and the turnover seat is located above the first sliding base, the left lower wall of the turnover seat is provided with a penetrating fitting hole and the middle of the lower wall of the turnover seat is provided with adapter blocks near the front and rear ends, the right side of the fitting hole is provided with a vertical plate, the other two ends of the turnover frame are movably sleeved on the turnover seat and movably connected with the adapter blocks in the middle of the turnover seat, the other two ends of the turnover frame are located on the right side of the turnover seat and above the base, and one end of each of the pair of adapter seats is movably connected with the other two ends of the turnover frame and the other end of each of the pair of adapter seats is detachably arranged on the upper wall of the base.

[0006] Preferably, the feeding structure comprises a plurality of guide rollers, a second motor, a plurality of pulleys, a plurality of transmission belts and a backing plate; the plurality of guide rollers are movably embedded in the upper wall of the turnover seat at equal intervals, and the two ends of the guide rollers are movably penetrated through the front and rear sides of the top of the turnover seat, the second motor is fixedly arranged on the inner lower wall of the right end of the turnover seat and the driving end of the second motor is movably penetrated through the front side wall of the turnover seat, the plurality of pulleys are fixedly sleeved on one end of the guide roller and the driving end of the second motor, the plurality of transmission belts are movably sleeved on the pulleys in an interlaced manner, and the pulleys are connected in series through the transmission belts, and the backing plate is fixedly arranged on the left end of the turnover seat and one end of the backing plate is in the same plane as the upper wall of the guide roller.

[0007] Preferably, the first limiting structure comprises a pair of third motors, a pair of second screw rods, a second sliding base, a pair of force applying sliding blocks, a fourth motor, a third screw rod, a pair of clamping blocks and a pair of clamping arms; the pair of third motors are fixedly arranged on the inner lower walls of the right end of the turnover seat, one ends of the pair of second screw rods are fixedly connected to the driving ends of the third motors, and the other ends are movably connected to the right side walls of the vertical plates at the bottom end of the turnover seat, the second sliding base is movably arranged at the bottom end of the turnover seat and above the second screw rods, one ends of the pair of force applying sliding blocks are fixedly arranged on the lower walls of the front and rear ends of the second sliding base, and the force applying sliding blocks are rotatably connected to the second screw rods, the fourth motor is fixedly arranged on the middle part of the front side wall of the second sliding base and movably penetrates the front side wall of the second sliding base, one end of the third screw rod is fixedly connected to the driving end of the fourth motor, and the other end is movably embedded in the inner rear side wall of the second sliding base, one ends of the pair of clamping blocks are movably inserted into the left side of the second sliding base, and the other ends of the clamping blocks are rotatably connected to the third screw rod, the pair of clamping blocks can move relatively or towards each other, and one ends of the pair of clamping arms are symmetrically fixedly connected to the other ends of the clamping blocks, and the other ends of the clamping arms are above the turnover seat, and the middle parts of the clamping arms are concave structures, and the other ends of the clamping arms can relatively contact.

[0008] Preferably, the second limiting structure comprises two groups of limiting units; the two groups of limiting units are symmetrically arranged on the lower walls of the left end of the turnover seat and are symmetrically located at the positions of the fitting mouths; the limiting unit comprises a pair of supporting rods, a cross, an adjusting rod, a first electric push rod, a second electric push rod, a rotating motor and a rotating rod; the pair of supporting rods are L-shaped structures, one ends of the pair of supporting rods are fixedly arranged on the lower walls of the left end of the turnover seat and are symmetrically located on the left and right sides of the fitting mouth, the cross is a cross-shaped structure, left and right ends of the cross are movably arranged between the other ends of the supporting rods, and installation openings are arranged on the middle parts of the top end and the bottom end of the cross, the adjusting rod is an L-shaped structure, the middle part of the adjusting rod is movably embedded in the top end of the cross, one end of the first electric push rod is movably arranged on the upper wall of the bottom end of the turnover seat, and the other end penetrates the fitting mouth and is movably connected to the bottom end of the cross, the first electric push rod can be flipped when being stretched and retracted, one end of the second electric push rod is movably embedded in the top end of the cross and is close to the bottom of the installation opening, and the stretching and retracting end of the second electric push rod is obliquely movably connected to one end of the adjusting rod, the second electric push rod can be flipped when being stretched and retracted, the rotating motor is fixedly embedded in the other end of the adjusting rod, one end of the rotating rod is fixedly arranged on the driving end of the rotating motor, and the other end is symmetrically located above the left end of the turnover seat.

[0009] Preferably, the clamping arms can move left and right outside the turnover seat.

[0010] Preferably, the guide rollers are driven by a transmission belt and all the guide rollers rotate in the same direction.

[0011] Preferably, the other end of the turning rod can be located on the front and back sides of the turnover seat and can be in contact with the ground.

[0012] Preferably, the turnover seat can be turned by 90 degrees to a vertical state.

[0013] The circular pipe conveying device for support machining has the beneficial effects that:

[0014] 1. The device has high flexibility and good stability, can move close to the ground, and can be turned to a vertical state when needed, so that the conveying process of pipe workpieces is more flexible and can adapt to different scenes; the first limiting unit is used for clamping and limiting the workpiece, so that the workpiece will not fall off during turning, improving the working stability and reducing the occurrence of accidents.

[0015] 2. The device is convenient to operate, the second limiting structure can be adjusted to realize pipe conveying limiting at different angles and anti-falling during turning, providing a convenient operation mode for the operator and making the operation more simple and efficient.

[0016] 3. The device has high safety, can stably support during inclined conveying, effectively improves the working safety, reduces the risk of accidents, and protects the safety of the operator. DETAILED DESCRIPTION

[0017] Figure 1 is a schematic view of the assembly structure of the present application.

[0018] Figure 2 is a first split structure schematic view of the present application.

[0019] Figure 3 is a second split structure schematic view of the present application.

[0020] Figure 4 is a third split structure schematic view of the present application.

[0021] Figure 5 is a local enlarged view of A in the present application. Figure 2

[0022] Figure 6 is a local enlarged view of B in the present application. Figure 2

[0023] Figure 7 is a local enlarged view of C in the present application. Figure 2

[0024] Figure 8 is a schematic view of the assembly structure of the present application.​​​Figure 4 A local enlarged view of D in FIG.

[0025] Figure 9 For the invention Figure 1 A local enlarged view of E in FIG.

[0026] Figure 10 For the invention Figure 1 A local enlarged view of F in FIG.

[0027] In the figure: 1, base; 2, universal wheel; 3, turnover structure; 31, first sliding seat; 32, first screw rod; 33, first motor; 34, moving table; 35, turnover seat; 36, turnover frame; 37, adapter seat; 4, feeding structure; 41, guide roller; 42, second motor; 43, pulley; 44, transmission belt; 45, backing plate; 5, first limiting structure; 51, third motor; 52, second screw rod; 53, second sliding seat; 54, force applying sliding block; 55, fourth motor; 56, third screw rod; 57, clamping block; 58, clamping arm; 6, second limiting structure; 61, supporting rod; 62, cross frame; 63, adjusting rod; 64, first electric push rod; 65, second electric push rod; 66, adjusting and turning motor; 67, adjusting and turning rod. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0029] Please refer to Figures 1-10 The present application provides a technical solution: a round pipe conveying device for support machining, comprising a base 1, two pairs of universal wheels 2, a turnover structure 3, a feeding structure 4, a first limiting structure 5 and a second limiting structure 6; the base 1 is of a rectangular structure, the two pairs of universal wheels 2 are fixedly arranged on the lower walls of the base 1 respectively and close to the four corner parts, the turnover structure 3 is fixedly arranged on the upper wall of the base 1 in the middle part, the feeding structure 4 is fixedly arranged on the turnover structure 3, the first limiting structure 5 is fixedly arranged in the bottom of the turnover seat 35 in the turnover structure 3, and the second limiting structure 6 is fixedly arranged on the lower wall of the left end of the turnover seat 35 in the turnover structure 3; the device can be moved through the universal wheels 2, the angle of feeding can be adjusted through the turnover structure 3, power can be provided to move the pipe material through the feeding structure 4, the pipe material can be clamped and fixed or pulled to move through the first limiting structure 5, and the pipe material can be limited and shielded when conveying, and the device can also be supported through the second limiting structure 6.

[0030] As a further scheme of the present application, the overturning structure 3 comprises a first sliding seat 31, a first screw rod 32, a first motor 33, a moving table 34, an overturning seat 35, an overturning frame 36 and a pair of adapter seats 37; the first sliding seat 31 is fixedly arranged on the upper wall of the base 1 and located at the middle of the left end, the first screw rod 32 is movably embedded in the middle of the left and right side walls of the first sliding seat 31, the first motor 33 is fixedly arranged on the base 1 and the driving end is fixedly connected with one end of the first screw rod 32, one end of the moving table 34 is movably embedded in the first sliding seat 31 and rotatably connected with the first screw rod 32, the top end of the overturning seat 35 is of a concave structure and the bottom is of a hollow structure, the left end of the overturning seat 35 is movably connected with the other end of the moving table 34 and the overturning seat 35 is located above the first sliding seat 31, the left lower wall of the overturning seat 35 is provided with a penetrating fitting hole, the middle of the lower wall of the overturning seat 35 is provided with adapter blocks close to the front and rear ends, a vertical plate is arranged on the right side of the fitting hole, the overturning frame 36 is movably sleeved on the overturning seat 35 and movably connected with the adapter blocks in the middle of the overturning seat 35, the other two ends of the overturning frame 36 are located on the right side of the overturning seat 35 and above the base 1, and one end of each of the pair of adapter seats 37 is movably connected with the other two ends of the overturning frame 36 and the other end of each of the adapter seats 37 is detachably arranged on the upper wall of the base 1; the first motor 33 can drive the first screw rod 32 to rotate in the first sliding seat 31, so that the moving table 34 moves under stress, the overturning seat 35 can be overturned on the overturning frame 36 and the moving table 34 through the movement of the moving table 34, the movement of the overturning frame 36 and the limiting of the overturning frame 36, and the maximum overturning angle of the overturning seat 35 is 90 degrees, which can be used for angle adjustment of pipe conveying or angle adjustment of pipe in welding.

[0031] As a further scheme of the present application, the feeding structure 4 comprises a plurality of guide rollers 41, a second motor 42, a plurality of pulleys 43, a plurality of transmission belts 44 and a backing plate 45; the plurality of guide rollers 41 are movably embedded in the upper wall of the overturning seat 35 at equal intervals and the two ends of the guide rollers 41 are movably penetrated into the top end of the overturning seat 35, the second motor 42 is fixedly arranged on the inner lower wall of the right end of the overturning seat 35 and the driving end of the second motor 42 is movably penetrated into the front side wall of the overturning seat 35, the plurality of pulleys 43 are fixedly sleeved on one end of the guide rollers 41 and the driving end of the second motor 42, the plurality of transmission belts 44 are movably sleeved on the pulleys 43 at intervals and the pulleys 43 are connected in series through the transmission belts 44, and the backing plate 45 is fixedly arranged on the left end of the overturning seat 35 and one end of the backing plate 45 is in the same plane as the upper wall of the guide rollers 41; through the driving of the second motor 42, the synchronous rotation of the guide rollers 41 under stress in the same direction is realized through the connection and transmission of the pulleys 43 and the transmission belts 44, so that the workpiece can be moved from left to right for conveying.

[0032] As a further scheme of the present application, the first limiting structure 5 comprises a pair of third motors 51, a pair of second screw rods 52, a second sliding base 53, a pair of force applying sliding blocks 54, a fourth motor 55, a third screw rod 56, a pair of clamping blocks 57 and a pair of clamping arms 58; the pair of third motors 51 are fixedly arranged on the inner lower walls of the right ends of the bottom of the turnover seat 35 and are symmetrically arranged near the front and back sides, one ends of the pair of second screw rods 52 are fixedly connected to the driving ends of the third motors 51, and the other ends are movably connected to the right side walls of the inner vertical plates of the bottom ends of the turnover seat 35, the second sliding base 53 is movably arranged above the second screw rods 52 at the bottom end of the turnover seat 35, one ends of the pair of force applying sliding blocks 54 are fixedly arranged on the lower walls of the front and back ends of the second sliding base 53, and the force applying sliding blocks 54 are rotatably connected to the second screw rods 52, the fourth motor 55 is fixedly arranged in the middle of the front side wall of the second sliding base 53 and movably penetrates through the front side wall of the second sliding base 53, one end of the third screw rod 56 is fixedly connected to the driving end of the fourth motor 55, and the other end is movably embedded in the inner rear side wall of the second sliding base 53, one ends of the pair of clamping blocks 57 are movably inserted into the left side of the second sliding base 53, and the one ends of the clamping blocks 57 are rotatably connected to the third screw rod 56, the pair of clamping blocks 57 can relatively move or move towards each other, one ends of the pair of clamping arms 58 are symmetrically fixedly connected to the other ends of the clamping blocks 57, and the other ends are above the turnover seat 35, the middle parts of the pair of clamping arms 58 are concave structures, and the other ends of the clamping arms 58 can relatively contact; the third motor 51 can drive the clamping arms 58 to move left and right to adjust the clamping position, the length of the pipe can be adjusted, the clamping arms 58 can also clamp the pipe from the left end of the turnover seat 35 to assist in driving the pipe to move right and be conveyed, and the fourth motor 55 can drive the clamping arms 58 to relatively or oppositely move.

[0033] As a further scheme of the present application, the second limiting structure 6 is composed of two groups of limiting units; the two groups of limiting units are symmetrically arranged on the lower wall of the left end of the turnover seat 35 and are symmetrically located at the opposite sides of the engaging opening; the limiting unit comprises a pair of supporting rods 61, a cross 62, an adjusting rod 63, a first electric push rod 64, a second electric push rod 65, a turning motor 66 and a turning rod 67; the pair of supporting rods 61 are L-shaped structures, one ends of the pair of supporting rods 61 are fixedly arranged on the lower wall of the left end of the turnover seat 35 and are symmetrically located at the left and right sides of the engaging opening, the cross 62 is a cross-shaped structure, the left and right ends of the cross 62 are movably arranged between the other ends of the supporting rods 61, the top end and the middle part of the bottom end of the cross 62 are provided with mounting openings, the adjusting rod 63 is an L-shaped structure, the middle part of the adjusting rod 63 is movably embedded in the top end of the cross 62, one end of the first electric push rod 64 is movably arranged in the upper wall of the bottom end of the turnover seat 35, the other end of the first electric push rod 64 penetrates the engaging opening and is movably connected to the bottom end of the cross 62, one end of the second electric push rod 65 is movably embedded in the top end of the cross 62 and is close to the bottom of the mounting opening, the telescopic end of the second electric push rod 65 is movably connected to one end of the adjusting rod 63, the turning motor 66 is fixedly embedded in the other end of the adjusting rod 63, one end of the turning rod 67 is fixedly arranged on the driving end of the turning motor 66, and the other end of the turning rod 67 is symmetrically located above the left end of the turnover seat 35; through the telescopic driving of the first electric push rod 64, the cross 62 can be turned by a certain angle between the supporting rods 61, and through the telescopic driving of the second electric push rod 65, the adjusting rod 63 can be turned by a certain angle in the cross 62, the driving of the two can adjust the turning angle of the turning rod 67 in a large range, so as to adjust and support the pipe with different diameters.

[0034] As a further scheme of the present application, the clamping arm 58 can move left and right outside the turnover seat 35, which is used for adjusting the position of clamping and fixing the pipe or driving the pipe to assist conveying and shielding limiting.

[0035] As a further scheme of the present application, the guide roller 41 is driven by the transmission belt 44 and all the guide rollers 41 rotate in the same direction, which is used for designing the linkage requirement and realizing driving the pipe to convey.

[0036] As a further scheme of the present application, the other end of the turning rod 67 can be located on the front and back sides of the turnover seat 35 and can be in contact with the ground, which is used for supporting the equipment.

[0037] As a further scheme of the present application, the turnover seat 35 can be turned by 90 degrees to the vertical state.

[0038] The detailed connection means is a technology known in the art, and the working principle and process are mainly introduced below, and the specific work is as follows.

[0039] The universal wheel 2 can move the device on the ground, and multiple devices can be arranged thereon to extend the conveying range. After the pipe is moved to the device, the universal wheel 2 can be used to move and realize the conveying function.

[0040] When in use, the device is powered on, the second motor 42 in the feeding structure 4 is driven, the transmission belt 44 is driven through the relative interlaced connection of the pulley 43 and the transmission belt 44, the guide roller 41 is synchronously and uniformly rotated at the same speed, the pipe is moved to the guide roller 41 by the base plate 45, and the pipe is conveyed from left to right through the rotation of the guide roller 41.

[0041] During the pipe conveying process, the first electric push rod 64 in the second limiting structure 6 is driven to extend and retract, the cross 62 is turned by a certain angle between the supporting rods 61, the end of the turning rod 67 above the turning seat 35 is turned by a certain angle, the large-angle adjustment is realized, the turning rod 67 has a certain height above the turning seat 35, and the diameter of the conveyed pipe can be adjusted; meanwhile, the second electric push rod 65 is driven to extend and retract, the adjusting rod 63 is turned in the cross 62, and the turning rod 67 is adjusted by a small angle; then the turning rod 67 is shielded on both sides of the turning seat 35, and the pipe is prevented from rolling and separating from the device.

[0042] Meanwhile, the third motor 51 in the first limiting structure 5 can be driven to rotate the second screw rod 52, the second sliding seat 53 is moved left and right in the bottom of the turning seat 35 by the limiting of the force sliding block 54, the clamping arm 58 is moved to the left end, then the fourth motor 55 is driven to rotate the third screw rod 56, the two clamping blocks 57 are relatively moved to adjust the spacing, and the other end of the clamping arm 58 is shielded above the guide roller 41 again, so that the pipe can be linearly conveyed to the right; the pipe input end can be clamped by the clamping arm 58, and then moved to the right to pull the pipe and assist the pipe to be conveyed to the right.

[0043] When the pipe is conveyed, the pipe end is located between the two turning rods 67, then the clamping arm 58 is clamped on the right end of the turning seat 35 to fix the pipe, and the turning of the turning rod 67 is driven to be pressed and limited; at this time, the first motor 33 can be driven to rotate the first screw rod 32 in the first sliding seat 31, the moving table 34 is forced to move from left to right, the turning seat 35 is movably connected with the moving table 34 and the turning frame 36, the turning frame 36 is movably connected with the adapter seat 37, the turning seat 35 is forced to turn to the left, the connecting end of the turning frame 36 is lifted upward to limit the turning of the turning seat 35, and the turning angle of the turning seat 35 is maximized to be perpendicular; during the turning, the welding requirement can be controlled, the device can be supported without manual holding, and the device is more stable.

[0044] Before or after the pipe is flipped by the flipping seat 35, the turning motor 66 can also be driven to rotate, and the turning rod 67 is rotated by 180 degrees, respectively located on the front and rear sides of the flipping seat 35, and then the first electric push rod 64 and the second electric push rod 65 are used to drive the flipping rod 67 to contact the ground for auxiliary support of the equipment.

[0045] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A circular tube conveying device for support processing, characterized in that, It includes a base (1), two pairs of universal wheels (2), a flipping structure (3), a feeding structure (4), a first limiting structure (5), and a second limiting structure (6); the base (1) is a rectangular structure, the two pairs of universal wheels (2) are respectively fixedly installed on the lower wall of the base (1) and near the four corners, the flipping structure (3) is fixedly installed in the middle of the upper wall of the base (1), the feeding structure (4) is fixedly installed on the flipping structure (3), the first limiting structure (5) is fixedly installed in the bottom of the flipping seat (35) in the flipping structure (3), and the second limiting structure (6) is fixedly installed on the lower left wall of the flipping seat (35) in the flipping structure (3); The flipping structure (3) includes a first slide (31), a moving stage (34), and a flipping seat (35); The first slide (31) is fixedly mounted on the upper wall of the base (1) and located in the middle of the left end. One end of the moving platform (34) is movably embedded in the first slide (31). The top of the flip seat (35) is concave and the bottom is hollow. The left end of the flip seat (35) is movably connected to the other end of the moving platform (34), and the flip seat (35) is located above the first slide (31). The lower wall of the left end of the flip seat (35) is provided with a through fitting opening. The second limiting structure (6) consists of two sets of limiting units; the two sets of limiting units are symmetrically arranged on the lower left wall of the flip seat (35), and are respectively located at the mating part symmetrically. The limiting unit includes a pair of support rods (61), a cross (62), an adjusting rod (63), a first electric push rod (64), a second electric push rod (65), a rotating motor (66), and a rotating rod (67). The pair of support rods (61) are both L-shaped structures. One end of each pair of support rods (61) is fixedly installed on the lower left wall of the flip seat (35), and they are symmetrically located on the left and right sides of the fitting opening. The cross (62) is a cross-shaped structure. The left and right ends of the cross (62) are movably installed between the other ends of the support rods (61), and the top and bottom of the cross (62) are provided with mounting holes. The adjusting rod (63) is an L-shaped structure. The middle part of the adjusting rod (63) is movably embedded in the top of the cross (62). One end of the first electric push rod (64) is movably installed on the flip seat (35). 5) The bottom inner upper wall, and the other end of the first electric push rod (64) passes through the fitting port and is movably connected to the bottom of the cross (62). One end of the second electric push rod (65) is movably embedded in the top of the cross (62) and close to the bottom of the mounting port. The telescopic end of the second electric push rod (65) is inclinedly and movably connected to one end of the adjusting rod (63). The rotating motor (66) is fixedly embedded in the other end of the adjusting rod (63). One end of the rotating rod (67) is fixedly set on the driving end of the rotating motor (66), and the other end of the rotating rod (67) is symmetrically located above the left end of the flipping seat (35).

2. The circular tube conveying device for bracket processing according to claim 1, characterized in that, The flipping structure (3) also includes a first screw rod (32), a first motor (33), a flipping frame (36), and a pair of adapters (37). The first spiral rod (32) is movably embedded in the middle of the left and right side walls of the first slide (31). The first motor (33) is fixedly mounted on the base (1), and the driving end is fixedly connected to one end of the first spiral rod (32). The moving platform (34) is spun to the first spiral rod (32). The lower wall of the flipping seat (35) is provided with a transition block near both the front and rear ends. A vertical plate is provided on the right side of the fitting opening. The two ends of the flipping frame (36) are movably mounted on the flipping seat (35) and are movably connected to the transition block in the middle of the flipping seat (35). The other two ends of the flipping frame (36) are located on the right side of the flipping seat (35) and above the base (1). One end of a pair of transition seats (37) is movably connected to the other two ends of the flipping frame (36), and the other end of the transition seats (37) is detachably mounted on the upper wall of the base (1).

3. A circular tube conveying device for bracket processing according to claim 2, characterized in that, The feeding structure (4) includes several guide rollers (41), a second motor (42), several pulleys (43), several transmission belts (44), and a pad (45). Several guide rollers (41) are equidistantly and movably embedded in the upper wall of the flipping seat (35), and the two ends of the guide rollers (41) movably pass through the front and rear sides of the top of the flipping seat (35). The second motor (42) is fixedly installed on the lower inner wall of the right end of the flipping seat (35), and the driving end of the second motor (42) movably passes through the front side wall of the flipping seat (35). Several pulleys (43) are fixedly fitted on one end of the guide roller (41) and the driving end of the second motor (42). Several transmission belts (44) are movably fitted on the pulleys (43) in an alternating manner, and the pulleys (43) are connected in series in sequence by means of the transmission belts (44). The pad (45) is obliquely and fixedly installed in the left end of the flipping seat (35), and one end of the pad (45) is on the same plane as the upper wall of the guide roller (41).

4. A circular tube conveying device for bracket processing according to claim 3, characterized in that, The first limiting structure (5) includes a pair of third motors (51), a pair of second screw rods (52), a second slide block (53), a pair of force-applying sliders (54), a fourth motor (55), a third screw rod (56), a pair of clamping blocks (57), and a pair of clamping arms (58); A pair of third motors (51) are fixedly mounted on the lower inner wall of the right end of the bottom of the flipping seat (35). One end of a pair of second spiral rods (52) is fixedly connected to the drive end of the third motor (51), and the other end is movably connected to the right side wall of the inner vertical plate at the bottom of the flipping seat (35). The second slide (53) is movably mounted inside the bottom of the flipping seat (35) and located above the second spiral rod (52). One end of a pair of force-applying sliders (54) is fixedly mounted on the lower walls of the front and rear ends of the second slide (53), and the force-applying sliders (54) are screwed to the second spiral rods (52). The fourth motor (55) is fixedly mounted in the middle of the front side wall of the second slide (53), and the fourth motor (55) movably passes through the third motor. The front side wall of the second slide (53) has one end of the third spiral rod (56) fixedly connected to the drive end of the fourth motor (55), and the other end of the third spiral rod (56) is movably embedded in the inner rear side wall of the second slide (53). One end of each pair of clamping blocks (57) is movably inserted into the left side of the second slide (53), and one end of each clamping block (57) is screwed to the third spiral rod (56). The pair of clamping blocks (57) can move relative to each other or towards each other. One end of each pair of clamping arms (58) is symmetrically fixedly connected to the other end of each clamping block (57), and the other end of each clamping arm (58) is located above the flip seat (35). The middle part of each pair of clamping arms (58) is a symmetrical concave structure, and the other end of each clamping arm (58) can contact each other.

5. A circular tube conveying device for bracket processing according to claim 4, characterized in that, The clamping arm (58) can move left and right outside the flip seat (35).

6. A circular tube conveying device for bracket processing according to claim 5, characterized in that, The guide rollers (41) are driven by the transmission belt (44) and all guide rollers (41) rotate in the same direction.

7. A circular tube conveying device for bracket processing according to claim 6, characterized in that, The other end of the rotating rod (67) can be located on the front and rear sides of the flipping seat (35) and can be in contact with the ground.

8. A circular tube conveying device for bracket processing according to claim 7, characterized in that, The flip seat (35) can be flipped 90 degrees to a vertical position.

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