阅读说明：本技术 一种多棱杆焊接用辅助装置、多棱杆焊接装置及焊接方法 (Auxiliary device for welding polygonal rod, polygonal rod welding device and welding method ) 是由 黎辉 王平 吴述林 赵文婷 于 2021-07-19 设计创作，主要内容包括：本申请公开一种多棱杆焊接用辅助装置、多棱杆焊接装置及焊接方法,辅助装置包括沿多棱杆长度方向移动,用于焊接多棱杆的焊接装置、行走机构、连接块、连杆、牵引带、打磨机构,设置在一个直线机构上的焊接机构,直线机构用于驱动焊接机构沿多棱杆轴线方向移动,行走机构固定在连接块上,行走机构一端与多棱杆内壁接触,其中一个行走机构固定在连接块上端面,牵引带一端缠绕在匀速转动的转轴上,用于牵引连接块沿多棱杆长度方向移动,行走机构与连接块之间为可拆卸连接,连杆两端分别连接在一个连接块上,打磨机构用于打磨焊缝；避免圆条晃动,自动适应不同直径、不同形状的多棱杆体,提高实用性,适应不同的需求,提高工作效率。(The application discloses an auxiliary device for welding a multi-edge rod, a multi-edge rod welding device and a welding method, wherein the auxiliary device comprises a welding device, a walking mechanism, a connecting block, a connecting rod, a traction belt and a polishing mechanism which move along the length direction of the multi-edge rod, the welding device is used for welding the multi-edge rod, the welding mechanism is arranged on a linear mechanism, the linear mechanism is used for driving the welding mechanism to move along the axis direction of the multi-edge rod, the walking mechanism is fixed on the connecting block, one end of the walking mechanism is in contact with the inner wall of the multi-edge rod, one walking mechanism is fixed on the upper end face of the connecting block, one end of the traction belt is wound on a rotating shaft rotating at a constant speed and used for drawing the connecting block to move along the length direction of the multi-edge rod, the walking mechanism is detachably connected with the connecting block, two ends of the connecting rod are respectively connected to one connecting block, and the polishing mechanism is used for polishing a welding seam; avoid the round bar to rock, the many arris body of rod of different diameters, different shapes of automatic adaptation improves the practicality, adapts to different demands, improves work efficiency.)

1. The utility model provides an auxiliary device is used in welding of polygon pole, during the application, locates in the polygon pole, its characterized in that includes:

the pair of connecting blocks (2) are arranged at intervals, and a plurality of travelling mechanisms (1) and at least one supporting mechanism (7) are arranged on each connecting block (2);

the supporting mechanism (7) is positioned on the upper end face of the connecting block (2) and is used for bearing and supporting a round bar so that the round bar is abutted to a welding seam of the polygonal rod needing to be welded at present from the inside of the polygonal rod;

a connecting rod (3) is arranged between the connecting blocks (2), and two ends of the connecting rod (3) are respectively connected to one surface of each pair of connecting blocks (2) which is opposite to each other;

and traction belts (5) are arranged on the other surface of each connecting block (2) and used for drawing a pair of connecting blocks (2) to move along the length direction of the polygonal rod under the action of external force.

2. The auxiliary device for welding the polygonal rod according to claim 1, wherein the walking mechanism (1) and the supporting mechanism (7) comprise a telescopic rod (11) and a roller (13), a mounting plate (12) is arranged at one end of the telescopic rod (11), the roller (13) is fixed on the mounting plate (12), the roller (13) of the walking mechanism (1) is used for contacting with the inner wall of the polygonal rod, and the cross section of the roller (13) of the supporting mechanism (7) is V-shaped and used for bearing round bars; an elastic element (15) is further sleeved on the movable rod body of the telescopic rod (11).

3. The auxiliary device for welding the polygonal rod according to claim 2, wherein the walking mechanism (1) and the supporting mechanism are detachably connected with the connecting block (2), a T-shaped pin (14) is arranged at the other end of the telescopic rod (11), a T-shaped clamping groove (21) is formed in the connecting block (2), the T-shaped clamping groove (21) is matched with the T-shaped pin (14), a groove (22) is further formed in the T-shaped clamping groove (21) connected with the supporting mechanism (7), the supporting mechanism further comprises a clamping pin (16), the groove (22) is matched with the clamping pin (16), and the walking mechanism (1) is fixed on the connecting block (2).

4. The auxiliary device for welding the polygonal rod according to claim 1, wherein a second through hole (23) is formed in the center of the connecting block (2) and penetrates through the center along the length direction of the polygonal rod, a fixed seat (26) is arranged in the second through hole (23), a lead screw (25) is arranged in the fixed seat (26), one end of the fixed seat (26) is fixed on a mounting seat (27), the mounting seat (27) is fixed on the outer surface of the connecting block (2), one end of the lead screw (25) is connected with a first motor (28), and the first motor (28) is fixed on the mounting seat (27).

5. The auxiliary device for welding the polygonal rod according to claim 4, wherein the connecting rod (3) is provided with a baffle (33), the baffle (33) divides the connecting rod (3) into two sections, one section of the connecting rod (3) is provided with a first through hole (32) at the center, one section of the connecting rod (3) is provided with a first key pin (31) at the circumferential side along the length direction, the second through hole (23) is provided with a first key groove (24) at the circumferential side along the length direction, the first key groove (24) is matched with the first key pin (31), a sliding block (34) is arranged in the first through hole (32), and the sliding block (34) is sleeved on the screw rod (25).

6. Auxiliary device for welding of polygonal rods according to claim 1, characterized in that hooks (29) are provided on both sides of the connecting block (2), said hooks (29) are used for mounting the pulling belt (5), one end of the pulling belt (5) is wound on the pulling device.

7. A polygon bar welding device, comprising:

the welding mechanism (6) is arranged on a linear mechanism, the linear mechanism is used for driving the welding mechanism (6) to move along the length direction of the polygonal rod, and the welding mechanism (6) is used for welding a welding seam of the polygonal rod; and

an auxiliary device for welding a polygonal rod according to any one of claims 1 to 6.

8. An auxiliary device for welding a polygonal rod according to claim 7, further comprising a grinding mechanism (4) for grinding a weld, wherein said grinding mechanism (4) comprises: the grinding wheel (41) penetrates through the transmission shaft (42), the cross section of the grinding wheel (41) is in two V shapes, the transmission shaft (42) penetrates through a shell (49), and a handle (410) is further arranged on the shell (49).

9. The auxiliary device for welding the polygonal rod according to claim 8, wherein a through mounting hole (43) is formed in the center of the grinding wheel (41), a through second key groove (44) is formed in the peripheral side of the mounting hole (43) along the axial direction, a retaining ring (46) is formed in the transmission shaft (42) along the circumferential direction, a second key pin (45) is arranged between the retaining ring (46) and the end face of the transmission shaft (42), the second key pin (45) is matched with the second key groove (44), a threaded column (411) is arranged at one end of the transmission shaft (42), the threaded column (411) is matched with a nut to lock the grinding wheel (41), and a gasket (47) is further arranged between the grinding wheel (41) and the nut; the other end of the transmission shaft (42) is connected with a second motor (48), and the second motor (48) is fixed on the shell (49).

10. A welding method of a polygonal rod using the welding apparatus of claim 8, comprising the steps of:

1) moving the auxiliary device for welding the polygonal rod into the polygonal rod to enable the roller (13) of the travelling mechanism (1) to be in contact with the inner wall of the polygonal rod, and enabling the roller (13) of the supporting mechanism (7) positioned on the upper end face of the connecting block (2) to support the round bar to prevent the round bar from shaking and enable the round bar to be in contact with the welding seam of the polygonal rod;

2) drawing the welding mechanism (6) to move along the length direction of the multi-edge rod, and spot-welding a round bar onto the multi-edge rod at the joint of the multi-edge rod, wherein the center of the round bar is aligned with the cross section of the multi-edge rod;

3) welding the outer part of the joint of the polygonal rods, and welding the two end faces of the joint of the polygonal rods together;

4) and after welding, polishing the welding line by using the polishing mechanism (4), polishing the joint of the polygonal rod into an arc shape, and enabling the arc shape to be tangent to the end surfaces of two sides of the joint of the polygonal rod.

Technical Field

The invention relates to the technical field of rod body welding, in particular to an auxiliary device for welding a polygonal rod, a polygonal rod welding device and a welding method.

Background

At present many arriss lamp pole welding seam all adopts the external weld, and the welding seam is full, presents the evagination form, for satisfying the beautiful construction in modernized wisdom city, clean pleasing to the eye, safe and reliable, the welding seam makes the outward appearance more pleasing to the eye after polishing, but behind the surperficial welding seam of polishing, welding seam intensity receives the influence, so need one kind can follow the inside device of strengthening the welding seam of the body of rod, guarantees welding strength, also does not destroy the aesthetic property simultaneously.

Disclosure of Invention

To the not enough of above-mentioned relevant prior art, the application provides a many arriss pole auxiliary device for welding, many arriss pole welding set and welding method, but increase the butt in the circle strip of welding seam from the body of rod is inside to support the circle strip and prevent to rock, make circle strip central point put and cross section align, and can adjust the distance of two support point positions according to the relative distance of point location and the length of circle strip when spot welding, improve the welding effect, can adapt to the welding of the different diameter body of rod and the toper body of rod, have stronger practicality.

In order to achieve the above object, the present invention employs the following techniques:

the utility model provides a polygon pole auxiliary device for welding, during the use, locates in the polygon pole, includes and removes along polygon pole length direction, supporting mechanism, running gear, a pair of connecting block, connecting rod, traction area, the grinding mechanism that the interval set up.

Furthermore, a plurality of travelling mechanisms and at least one supporting mechanism are arranged on each connecting block, and each supporting mechanism is positioned on the upper end face of each connecting block and used for bearing and supporting the round bars so that the round bars can be abutted against the welding seams of the multi-edge bars needing to be welded at present from the inner parts of the multi-edge bars; the running mechanism and the supporting mechanism comprise telescopic rods and rollers, one end of each telescopic rod is provided with a mounting plate, the rollers are fixed on the mounting plate, the rollers of the running mechanism are used for contacting with the inner wall of the polygonal rod, and the cross section of the rollers of the supporting mechanism is V-shaped and used for bearing round bars; the flexible rod body of the telescopic rod is also sleeved with an elastic element.

Furthermore, running gear and supporting mechanism all can dismantle with the connecting block and be connected, and the telescopic link other end is equipped with T shape round pin, is equipped with T shape draw-in groove on the connecting block, and T shape draw-in groove and T shape round pin cooperation still are equipped with the recess in the T shape draw-in groove of being connected with supporting mechanism, and supporting mechanism still includes the bayonet lock, and recess and bayonet lock cooperation are fixed running gear on the connecting block.

Furthermore, the upper end face of the connecting block is provided with two edges along the length direction of the multi-edge rod to form an inclined plane, the lower end face of the connecting block is provided with one edge and two right angles which are mutually opposite along the diameter direction of the multi-edge rod to form an inclined plane, and the T-shaped clamping grooves are arranged on the inclined plane and the end face of the connecting block.

Furthermore, a second through hole penetrating through the center of the connecting block is formed in the length direction of the polygonal rod, a fixed seat is arranged in the second through hole, a lead screw is arranged in the fixed seat, one end of the fixed seat is fixed on the mounting seat, the mounting seat is fixed on the outer surface of the connecting block, one end of the lead screw is connected with a first motor, and the first motor is fixed on the mounting seat; and hooks are arranged on two side surfaces of the connecting block and used for installing a traction belt, and one end of the traction belt is wound on the traction device and used for moving the traction device along the axis direction of the rod body.

Furthermore, the connecting rod is arranged between the connecting blocks, and two ends of the connecting rod are respectively connected with one surface of the pair of connecting blocks which is opposite to each other; the connecting rod is provided with a baffle plate which divides the connecting rod into two sections, a first through hole is arranged at the center of one section of the connecting rod, a first key pin is arranged on the peripheral side of one section of the connecting rod along the length direction, a first key groove which penetrates through the second through hole is arranged on the peripheral side of the second through hole along the length direction, the first key groove is matched with the first key pin, a sliding block is arranged in the first through hole, and the sliding block is sleeved on the screw rod.

Further, grinding machanism is used for polishing the welding seam, includes: the grinding wheel is arranged on the transmission shaft in a penetrating mode, the section of the grinding wheel is in two V shapes, the transmission shaft is arranged on the shell in a penetrating mode, a penetrating mounting hole is formed in the center of the grinding wheel, a penetrating second key groove is formed in the peripheral side of the mounting hole in the axial direction, a retainer ring is arranged on the transmission shaft in the circumferential direction, a second key pin is arranged between the retainer ring and the end face of the transmission shaft and matched with the second key groove, a threaded column is arranged at one end of the transmission shaft and matched with a nut to lock the grinding wheel, and a gasket is further arranged between the grinding wheel and the nut; the second motor is connected to the transmission shaft other end, and the second motor is fixed on the shell, still is equipped with the handle on the shell.

A welding device, comprising: the welding mechanism is arranged on the straight line mechanism and used for welding the welding seam of the polygonal rod, and the straight line mechanism is used for driving the welding mechanism to move along the axial direction of the polygonal rod.

A welding method of the polygonal rod adopts the welding device of the polygonal rod, and comprises the following steps:

the method comprises the following steps: moving the auxiliary device for welding the multi-edge rod into the multi-edge rod to enable the roller of the travelling mechanism to be in contact with the inner wall of the multi-edge rod, wherein the roller of the travelling mechanism positioned on the upper end face of the connecting block supports the round bar to prevent the round bar from shaking, and the round bar is enabled to be in contact with the welding seam of the multi-edge rod;

step two: moving along the length direction of the multi-edge rod by using a welding device, and spot-welding a round bar on the multi-edge rod at the joint of the multi-edge rod, wherein the center position of the round bar is aligned with the cross section of the multi-edge rod;

step three: welding the outer part of the joint of the polygonal rods, and welding the end faces of the joint of the polygonal rods together;

step four: and after welding, polishing the welding seam by using a polishing mechanism, polishing the joint of the polygonal rod into an arc shape, and enabling the arc shape to be tangent to the end surfaces of two sides of the joint of the polygonal rod.

The invention has the beneficial effects that: the travelling mechanism can move and simultaneously support the round bar for welding, so that the round bar is prevented from shaking in the welding process; the length of the walking mechanism can be changed, the walking mechanism can automatically adapt to multi-edge rod bodies with different diameters and can also adapt to rod bodies with cone-shaped structures, and the practicability is greatly improved; meanwhile, the connecting blocks are connected by telescopic connecting rods, and the distance between the connecting blocks can be adjusted according to the length of the round bars and the distance between spot welding point positions, so that different requirements can be met; and the grinding mechanism with the shape matched with the polygonal rod is used for improving the working efficiency of grinding the welding line.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

Fig. 1 is a perspective view of the overall structure of an embodiment of the present application.

Fig. 2 is a perspective view illustrating the assembly of the traveling mechanism and the connecting block.

Figure 3 is an assembled perspective view of the sharpening mechanism.

Fig. 4 is a perspective sectional view of the internal structure of the connecting block and the connecting rod.

Fig. 5 is a schematic sectional perspective view of the overall structure of the connecting block.

Fig. 6 is a sectional perspective view of an assembly structure of the supporting mechanism and the connecting block.

Fig. 7 is an enlarged schematic view of a portion a of fig. 6.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.

As shown in fig. 1 to 7, the present embodiment provides an auxiliary device for welding a polygonal rod, including: the grinding machine comprises a plurality of travelling mechanisms 1, a pair of connecting blocks 2 arranged at intervals, a connecting rod 3, a grinding mechanism 4, a traction belt 5, a welding mechanism 6 used for welding the polygonal rod and a supporting mechanism 7, wherein the welding mechanism 6 moves along the length direction of the polygonal rod.

The travelling mechanism 1 and a supporting mechanism 7 are both arranged on the connecting block 2, and the supporting mechanism 7 is positioned on the upper end face of the connecting block 2 and is used for bearing and supporting the round bar so that the round bar is abutted to a welding seam of the multi-edge bar needing to be welded at present from the inside of the multi-edge bar; the walking mechanism 1 and the supporting mechanism 7 comprise a telescopic rod 11 and a roller 13, wherein one end of the telescopic rod 11 is provided with a mounting plate 12, the roller 13 is fixed on the mounting plate 12, the roller 13 of the walking mechanism 1 is used for contacting with the inner wall of the polygonal rod, and the section of the roller 13 of the supporting mechanism 7 is V-shaped and is used for bearing round bars; the flexible rod body of the telescopic rod 11 is also sleeved with an elastic element 15.

Specifically, running gear 1 and supporting mechanism 7 all can dismantle with connecting block 2 and be connected, and the 11 other ends of telescopic link are equipped with T shape round pin 14, are equipped with T shape draw-in groove 21 on the connecting block 2, and T shape draw-in groove 21 still is equipped with recess 22 with the T shape draw-in groove 21 that supporting mechanism 7 is connected, and supporting mechanism 7 still includes bayonet lock 16, and recess 22 and the cooperation of bayonet lock 16 fix running gear 1 on connecting block 2.

Specifically, two arriss are amputated along many arriss pole length direction to connecting block up end to form the inclined plane, and the terminal surface amputates an arris and many looks pair of two right angles along many arriss pole diameter direction under the connecting block, and forms the inclined plane, and T shape draw-in groove all is located the inclined plane and on the terminal surface of connecting block. Two side surfaces of the connecting block 2 are provided with hooks 29, the hooks 29 are used for installing a traction belt 5, one end of the traction belt 5 is wound on a traction device, and a pair of connecting blocks move along the axis direction of the polygonal rod under the traction of the traction device; the center of connecting block 2 is equipped with the second through-hole 23 that runs through along many arriss pole length direction, is equipped with fixing base 26 in the second through-hole 23, is equipped with lead screw 25 in the fixing base 26, and fixing base 26 one end is fixed on mount pad 27, and mount pad 27 is fixed at connecting block 2 surfaces, and first motor 28 is connected to lead screw 25 one end, and first motor 28 is fixed on mount pad 27.

Specifically, two ends of the connecting rod 3 are respectively connected to one surface of the pair of connecting blocks 2; the connecting rod 3 is provided with a baffle 33, the baffle 33 divides the connecting rod 3 into two sections, the center of one section of the connecting rod 3 is provided with a first through hole 32, the peripheral side of one section of the connecting rod 3 is provided with a first key pin 31 along the length direction, the peripheral side of the second through hole 23 is provided with a first key groove 24 which penetrates along the length direction, the first key groove 24 is matched with the first key pin 31, a slide block 34 is arranged in the first through hole 32, and the slide block 34 is sleeved on the screw rod 25.

Specifically, the grinding mechanism 4 is used for grinding the weld, and includes: the grinding wheel 41 and the transmission shaft 42 are arranged on the transmission shaft 42 in a penetrating mode, the cross section of the grinding wheel 41 is in two V shapes, the transmission shaft 42 penetrates through the shell 49, the shell 49 is further provided with a handle 410, the other end of the transmission shaft 42 is connected with a second motor 48, the second motor 48 is fixed on the shell 49, the center of the grinding wheel 41 is provided with a penetrating mounting hole 43, the peripheral side of the mounting hole 43 is provided with a penetrating second key groove 44 along the axial direction, the transmission shaft 42 is provided with a retainer ring 46 along the circumferential direction, a second key pin 45 is arranged between the retainer ring 46 and the end face of the transmission shaft 42, the second key pin 45 is matched with the second key groove 44, one end of the transmission shaft 42 is provided with a threaded column 411, the threaded column 411 is matched with a nut to lock the grinding wheel 41, a gasket 47 is further arranged between the grinding wheel 41 and the nut, and abrasion between the nut and the grinding wheel 41 of the grinding mechanism 4 in the working process is reduced.

The present invention also provides a welding apparatus comprising: the welding mechanism 6 is arranged on the straight line mechanism and used for welding the welding seam of the polygonal rod, and the straight line mechanism is used for driving the welding mechanism 6 to move along the axial direction of the polygonal rod.

The invention also provides a multi-edge rod welding method, which adopts the multi-edge rod welding device, and comprises the following steps:

the method comprises the following steps: moving the auxiliary device for welding the polygonal rod into the polygonal rod to enable the roller 13 of the travelling mechanism 1 to be in contact with the inner wall of the polygonal rod, wherein the roller 13 of the travelling mechanism 1 positioned on the upper end face of the connecting block 2 supports the round bar to prevent the round bar from shaking and enables the round bar to be in contact with the welding seam of the polygonal rod;

step two: the traction belt is used for drawing the welding mechanism 6 to move along the length direction of the multi-edge rod, the round bar is spot-welded on the multi-edge rod at the joint of the multi-edge rod, and the center position of the round bar is aligned with the cross section of the multi-edge rod;

step three: welding the outer part of the joint of the polygonal rods, and welding the end faces of the joint of the polygonal rods together;

step four: after welding, the grinding mechanism 4 is used for grinding the welding line, the joint of the multi-edge rod is ground into an arc shape, and the arc shape is tangent to the end faces of two sides of the joint of the multi-edge rod.

Specific embodiments are described below:

firstly, a T-shaped pin 14 of a travelling mechanism 1 penetrates through a T-shaped clamping groove 21 of a connecting block 2, the T-shaped clamping grooves 21 below and on two sides of the connecting block 2 are obliquely arranged, so that the travelling mechanism 1 can form self locking after being clamped into the T-shaped clamping grooves 21, the connection stability is improved, and the T-shaped clamping grooves 21 on the end surface of the connecting block 2 are horizontally arranged, so that a groove 22 is further formed in the T-shaped clamping groove 21 on the upper end surface of the connecting block 2 to be matched with a clamping pin 16, and the travelling mechanism 1 is fixed on the connecting block 2; one end of a traction belt 5 is fixed on a hook 29 of the connecting block 2, the other end of the traction belt 5 is wound on a rotating shaft capable of rotating at a constant speed, so that the whole device can move in the polygonal rod at a constant speed, the distance between the two connecting blocks 2 is adjusted according to the point position of the round bar during spot welding and the length of the round bar, a first motor 28 is started, a lead screw 25 is driven to rotate, a sliding block 34 is driven to move forwards, a connecting rod 3 is driven to move in a second through hole 23 of the connecting block 2, and a fixing seat 26 can penetrate through the first through hole 32 due to the fact that the connecting rod is provided with the first through hole 32; after the adjustment is finished, the whole device is put into the polygonal rod, so that the roller 13 of the travelling mechanism 1 is contacted with the inner wall of the polygonal rod, because the telescopic rod 11 is provided with the spring 15, the roller 13 is in close contact with the inner wall of the multi-edge rod, then the round bar is put into the multi-edge rod and is loaded in the V-shaped groove of the roller 13, under the traction of the traction belt 5, the whole device moves at a constant speed in the multi-edge rod, meanwhile, the welding mechanism 6 starts to perform spot welding, the round bar is pre-fixed at the joint side of the multi-edge rod, the center position of the round bar is aligned with the cross section, after spot welding is finished, welding the joint by adopting submerged arc welding, then polishing the welding line by using a polishing mechanism 4, because the grinding wheel 41 of the grinding mechanism 4 is formed by two V-shaped parts and is matched with the polygon bar in shape, the grinding process is quicker, the seam of the polygon bar is ground into an arc shape and is tangent to the end surfaces of two sides of the seam of the polygon bar.

The travelling mechanism can move, meanwhile, supports the round bar for welding, and avoids the round bar from shaking in the welding process; the cross section of the roller positioned on the end surface is V-shaped, so that the requirement of round bars with different diameters can be met; the spring is arranged on the telescopic rod of the travelling mechanism, so that the travelling mechanism can automatically adapt to multi-edge rod bodies with different diameters and can also adapt to rod bodies with cone-shaped structures, and the practicability is greatly improved; meanwhile, the connecting blocks are connected by adopting the connecting rods, and the connecting rods can move in the connecting blocks, so that the distance between the connecting blocks can be adjusted according to the length of the round bars and the distance between spot welding point positions, and different requirements can be met; and the grinding mechanism with the shape matched with the polygonal rod is used for improving the working efficiency of grinding the welding line.

The above is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is apparent that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.