CN108296696A - A kind of light pole and base flange automatic soldering device - Google Patents

Abstract

The invention discloses a kind of light poles and base flange automatic soldering device in welder field, it include the clamp system for firm banking flange, the side opposite with the clamp system is equipped with bar supporting mechanism, the bar supporting mechanism includes the mobile bracket of at least a pair of horizontally-supported light pole, one end of light pole is sent to the central hole of base flange by mobile bracket, the side opposite with one end of the light pole is equipped with tube expanding mechanism, tube expanding mechanism expands the one end open of the light pole, position corresponding with the other end of light pole, which is equipped with, to hold out against disk along the end that light pole moves axially, position corresponding with base flange is equipped with welding robot.Base flange can be fixedly clamped by the present invention, it is ensured that not will produce relative displacement between light pole and base flange, be automatically performed welding, welding precision is high, time saving and energy saving.

Description

An automatic welding device for street light pole and base flange

technical field

The invention belongs to the field of welding devices, in particular to an automatic welding device for a street light pole and a base flange.

Background technique

The street lamp pole is the rod for installing the street lamp. The bottom of the street lamp pole is connected with a base flange, and the base flange can be fixed on the ground through the embedded parts to realize the fixed installation of the street lamp. When mass-producing street light poles, since the street light pole and the base flange are two separate parts, it is necessary to weld and fix the street light pole and the base flange by welding. In the prior art, manual welding is usually used to fix the lamp pole and the base flange. The disadvantages are: the length of the lamp pole is long and it is difficult to fix, which increases the difficulty of manual welding; the positioning of the lamp pole and the base flange is lacking. There is easy relative movement between the base flange and the lamp pole, which affects the welding accuracy; manual welding is time-consuming and laborious, and the welding efficiency is low.

Contents of the invention

The purpose of the present invention is to provide an automatic welding device for the lamp pole and the base flange, which can clamp and fix the base flange to ensure that there will be no relative displacement between the lamp pole and the base flange, and automatically complete the welding with high welding accuracy. save time and energy.

The purpose of the present invention is achieved in this way: an automatic welding device for street light poles and base flanges, including a clamping mechanism for fixing the base flange, a rod support mechanism is provided on the side opposite to the clamping mechanism, so The pole support mechanism includes at least one pair of movable brackets that horizontally support the lamp pole. The movable bracket sends one end of the lamp pole to the center hole of the base flange, and an expansion tube is provided on the side opposite to one end of the lamp pole. mechanism, the expansion tube mechanism expands the opening of one end of the street lamp pole, and the position corresponding to the other end of the street lamp pole is provided with an end clamping plate that can move along the axial direction of the street lamp pole, and the position corresponding to the base flange is provided There are welding robots.

When the present invention works, the base flange is fixed on the clamping mechanism, and the street light pole is horizontally supported on two movable brackets, and the mobile bracket moves the end of the street light pole to be welded to the central hole of the base flange, and the expansion The pipe mechanism expands the opening of one end of the light pole, and the other end of the light pole is tightened by the tightening disc at the end, and the welding robot welds and fixes the base flange and the light pole; the light pole is fixed, and the gap between the light pole and the base flange There will be no relative displacement, which improves the welding accuracy; after the opening at one end of the lamppost is enlarged, the gap between the outer wall of the lamppost and the center hole of the base flange is eliminated, so that the weld between the base flange and the lamppost is uniform , Welding is more firm and reliable. Compared with the prior art, the beneficial effect of the present invention lies in: using the expander mechanism to expand the opening of one end of the lamp pole, and cooperate with the end to tighten the disk, the two ends of the lamp pole are fixed, and the axis of the lamp pole is limited. The lower side of the street lamp pole is supported on the moving bracket to realize the positioning of the street lamp pole. The street lamp pole and the base flange will not produce relative displacement, and the welding accuracy is higher; the end of the street lamp pole to be welded is automatically moved to the base flange. At the center hole, the welding robot automatically welds the lamp pole and the base flange, which has a high degree of automation, saves time and effort, and improves welding efficiency.

As a further improvement of the present invention, the clamping mechanism includes a clamping frame, and four support plates are arranged on the clamping frame. There are two support surfaces symmetrically, and the angle between the support surface and the horizontal plane is 45°. The support surfaces of each support plate are set corresponding to each other. The clamping frame is located between the adjacent support plates and is inclined with a compression cylinder. The base method The bottom of the blue is correspondingly provided with a bottom support block. The base flange is supported on the bottom support block at an angle of 45°. The support surface of the support plate is used to limit the two sides of the base flange. Tight, the base flange is clamped and fixed.

As a further improvement of the present invention, the moving bracket is connected to the supporting frame through guide rail sliders, and at least one pair of support wheels are arranged on the moving bracket, and the two supporting wheels are respectively connected with the positive thread screw nut and the negative tooth lead screw. The nuts are connected with each other, and the positive thread screw nut and the reverse tooth lead screw nut are all set on the lead screw. The lead screw is perpendicular to the axis of the street light pole. Tighten the bolts. The street light pole is supported horizontally on the pair of support wheels of the mobile bracket, turn the adjustment handwheel, the screw rotates, the positive thread screw nut and the negative tooth lead screw nut move towards each other or in the opposite direction, and the distance between the two supporting wheels is automatically adjusted , to adapt to the outer pipe diameter of the lamp pole, the moving bracket moves along the guide rail, and sends the lamp pole to the center hole of the base flange; the locking bolt can lock and fix the moving bracket to prevent the lamp pole from moving during welding , affect the welding accuracy.

As a further improvement of the present invention, the end pressing plate is arranged on the end moving seat, and the end moving seat is connected to the support frame through the guide rail slider, and the end moving seat is provided with locking bolts. An adjusting screw is arranged on the moving seat, and the tight disk at the end is arranged on one end of the adjusting screw, and the other end of the adjusting screw is provided with an adjusting handwheel. Rotate the adjusting screw, utilize the engagement between the threads, and tighten the other end of the street light pole with the tightening plate at the end.

As a further improvement of the present invention, the tube expansion mechanism includes a tube expander base, on which a moving seat is connected via a guide rail slider, the moving seat is hinged to the working end of the oil cylinder, and a center guide is horizontally provided on the moving seat The end of the center guide sleeve near the flange of the base is provided with an expander cone, which coincides with the axis of the street lamp pole. The expander cone includes a central disk, and a number of swing braces are arranged at intervals along the circumferential direction on the central disk. The adjacent swing support plates are connected by tension springs, the center guide sleeve is provided with an axially movable pushing head, and the pushing head is connected to the traversing drive mechanism through transmission. The traversing drive mechanism drives the push head to move along the central guide sleeve, the push head pushes the swing support plate outward, the swing support plate opens, the diameter of the circle where the cone of the expander contacts with the opening at one end of the street light pole increases, and the street light pole The opening is enlarged to realize tube expansion.

As a further improvement of the present invention, the push head includes an inner core part and an outer ring part, the outer ring part is sleeved on the outer periphery of the central guide sleeve, the inner core part is axially arranged inside the center guide sleeve, and the inner core part and the outer ring part They are connected through a number of connecting parts radially passing through the side wall of the central guide sleeve, and wall grooves are opened on the side wall of the central guide sleeve corresponding to each connecting part. The inner core moves axially in the central guide sleeve, and the outer ring pushes the oscillating support plates outward, and the oscillating support plates always press the pusher head, and each swaying support plates apply evenly distributed and stable tension to the opening of the street light pole.

As a further improvement of the present invention, the moving seat is provided with a supporting seat, and the supporting seat is slidably supported with a push shaft via a needle bearing, the central guide sleeve is fixedly connected to the support seat, and the push shaft correspondingly extends into the central guide sleeve. The pushing head is arranged at the end of the pushing shaft, and the traversing drive mechanism is connected with the driving shaft. The center guide sleeve is guided by the push shaft, and the support seat supports the push shaft, and the push shaft moves axially in the center guide sleeve, so that the push shaft moves more smoothly.

As a further improvement of the present invention, the central guide sleeve includes a first sleeve body and a second sleeve body respectively arranged on both sides of the support base. The central guide sleeve provided separately makes the axial support seat have a guiding effect when pushing the left and right sides of the support seat to move, the guiding effect is better, and the moving of the pushing shaft is more stable.

As a further improvement of the present invention, the traversing drive mechanism includes a lead screw 2 integrated with the push shaft, the lead screw 2 is coaxially arranged with the push shaft, a lead screw nut is sleeved on the lead screw 2, and the lead screw nut Thrust bearings are provided at the left and right ends. When the lead screw nut rotates, the two axes of the lead screw move, which drives the push shaft to move, and the stroke of the lead screw drive is more precise, so that the movement of the push head can be precisely controlled, and the tension of the expander cone can be precisely adjusted.

As a further improvement of the present invention, a driven gear is arranged concentrically on the lead screw nut, the driven gear and the lead screw nut are integrally arranged, the driven gear meshes with the driving gear, and the driving gear is arranged at the output end of the speed reducer to reduce the speed. The machine is connected with the motor through transmission, and the moving base is provided with a reduction frame, and the reduction frame is provided with a through hole that can accommodate two axial passages of the lead screw. After the motor is decelerated by the reducer, it drives the driving gear to rotate, the driving gear drives the driven gear to rotate, and the screw nut realizes the rotation.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention.

Figure 2 is a structural schematic diagram of the rod support mechanism.

Fig. 3 is a schematic diagram of the structure of the end moving seat.

Fig. 4 is a schematic diagram of the structure of the mobile bracket.

Fig. 5 is a front view of Fig. 3 .

Fig. 6 is a front view of Fig. 4 .

Fig. 7 is a structural schematic diagram of the clamping mechanism.

FIG. 8 is a partially enlarged view of FIG. 7 .

FIG. 9 is a top view of FIG. 7 .

Fig. 10 is a structural schematic diagram of the clamping mechanism clamping the flange of the base.

Figure 11 is a top view of the expansion mechanism.

Fig. 12 is a front view of the expansion mechanism.

Fig. 13 is a schematic diagram of the working principle of the expansion mechanism.

FIG. 14 is a partially enlarged view of FIG. 13 .

FIG. 15 is a partially enlarged view of FIG. 13 .

Fig. 16 is a structural schematic diagram of the central guide sleeve.

Figure 17 is a schematic structural view of the push shaft.

FIG. 18 is a cross-sectional view along the line AA of FIG. 13 .

Fig. 19 is a cross-sectional view taken along line BB in Fig. 13 .

Fig. 20 is a schematic diagram of the structure of the push head.

FIG. 21 is a sectional view taken along line CC of FIG. 13 .

FIG. 22 is a cross-sectional view taken along the line DD of FIG. 13 .

Among them, 1 moving bracket, 2 end clamping plate, 3 welding robot, 4 clamping frame, 5 supporting plate, 6 pressing cylinder, 7 bottom supporting block, 8 guide rail slider, 9 supporting frame, 10 pallet Wheel, 11 lead screw, 12 lead screw 2, 13 adjusting hand wheel, 14 locking bolt, 15 end moving seat, 16 adjusting screw, 17 tube expansion base, 18 moving seat, 19 oil cylinder, 20 center guide sleeve, 2001 One set, 2002 second set, 21 expander cone, 2101 center plate, 2102 swing support plate, 22 tension spring, 23 push head, 2301 inner core, 2302 outer ring, 2303 connection, 24 wall groove , 25 support seat, 26 needle bearing, 27 drive shaft, 28 screw nut, 29 thrust bearing, 30 driven gear, 31 driving gear, 32 reducer, 32a reducer base, 33 motor, 34 base flange.

Detailed ways

As shown in Figure 1-22, it is an automatic welding device for street light poles and base flanges, including a clamping mechanism for fixing the base flange 34, the clamping mechanism includes a clamping frame 4, and the clamping frame 4 is provided with four support plates 5, the two support plates 5 are distributed symmetrically up and down, the two support plates 5 are symmetrically distributed left and right, and the ends of each support plate 5 are symmetrically provided with two support surfaces, and the support surfaces form an angle of 45° with the horizontal plane , the support surfaces of each support plate 5 are set corresponding to each other, and the clamping frame 4 is located between adjacent support plates 5 and is inclined to be provided with a compression cylinder 6, and the bottom of the base flange 34 is correspondingly provided with a bottom support block 7; The opposite side of the clamping mechanism is provided with a rod supporting mechanism, and the rod supporting mechanism includes at least one pair of moving brackets 1 that horizontally support the lamp pole, and the moving bracket 1 sends one end of the lamp pole to the bottom of the base flange 34. At the central hole, a tube expansion mechanism is provided on the side opposite to one end of the street light pole, and the tube expansion mechanism expands the opening of one end of the street light pole, and a position corresponding to the other end of the street light pole is provided to move along the street light pole. The axially movable end presses against the disc 2 , and a welding robot 3 is provided at a position corresponding to the base flange 34 .

The mobile bracket 1 is connected to the support frame 9 through the guide rail slider 8, and the mobile bracket 1 is provided with at least one pair of supporting wheels 10, and the two supporting wheels 10 are respectively connected with the positive screw nut and the negative screw nut , the positive tooth lead screw nut and the reverse tooth lead screw nut are all set on the lead screw 11. The lead screw 11 is perpendicular to the axis of the street light pole. Tighten bolt 14.

The end pressing disk 2 is arranged on the end moving seat 15, and the end moving seat 15 is connected on the support frame 9 through the guide rail slider. The end moving seat 15 is provided with locking bolts 14, and the end moving seat 15 An adjusting screw 16 is arranged on the top, and the end pressing plate 2 is arranged on one end of the adjusting screw 16 , and the other end of the adjusting screw 16 is provided with an adjusting handwheel 13 .

The tube expansion mechanism includes a tube expander base 17, which is connected with a movable seat 18 via a guide rail slider, and the movable seat 18 is hinged with the working end of the oil cylinder 19, and the movable seat 18 is horizontally provided with a central guide sleeve 20. The end of the center guide sleeve 20 close to the base flange 34 is provided with an expansion tube cone 21. The expansion tube cone 21 coincides with the axis of the street light pole. A number of swing braces 2102 are arranged at intervals, and adjacent swing braces 2102 are connected by tension springs 22. The center guide sleeve 20 is provided with an axially movable pushing head 23, and the pushing head 23 is in transmission connection with the traversing drive mechanism. . The push head 23 includes an inner core part 2301 and an outer ring part 2302. The outer ring part 2302 is sleeved on the outer periphery of the central guide sleeve 20. The inner core part 2301 is axially arranged inside the central guide sleeve 20. The inner core part 2301 and the outer ring part 2302 They are connected through several connecting portions 2303 radially passing through the side wall of the central guide sleeve 20 , and the side wall of the central guide sleeve 20 is provided with a wall groove 24 corresponding to each connecting portion 2303 .

The mobile seat 18 is provided with a supporting seat 25, and the supporting seat 25 is slidably supported with a push shaft 27 via a needle bearing 26. The central guide sleeve 20 is fixedly connected on the supporting seat 25. The first sleeve body 2001 and the second sleeve body 2002 on the side; the push shaft 27 extends into the center guide sleeve 20 correspondingly, the push head 23 is arranged at the end of the push shaft 27, and the traversing drive mechanism is connected to the push shaft 27 through transmission. Described traversing drive mechanism comprises leading screw 2 12 that is connected as a whole with push shaft 27, and lead screw 2 12 is coaxially arranged with push shaft 27, and lead screw 2 12 is sleeved with lead screw nut 28, and lead screw nut 28 Thrust bearings 29 are all provided at the left and right ends. A driven gear 30 is arranged concentrically on the screw nut 28, and the driven gear 30 is integrated with the screw nut 28. The driven gear 30 is meshed with the driving gear 31, and the driving gear 31 is arranged at the output end of the speed reducer 32. The speed reducer 32 is connected with motor 33 transmissions, is provided with speed reducer base 32a on the mobile base 18, is provided with the through hole that can hold leading screw 2 12 axially to pass on the reducer base 32a.

When the device works, the base flange 34 is fixed between the support plates 5, the bottom of the base flange 34 is supported on the bottom support block 7, and the compression cylinder 6 compresses the base flange 34; On the two moving brackets 1, the moving bracket 1 moves the end of the street light pole to be welded to the center hole of the base flange 34, the screw nut 28 rotates, and drives the screw 2 12 to move axially, and the pushing shaft 27 drives the The head 23 moves along the central guide sleeve 20, and the pushing head 23 pushes the swing support plate 2102 outward, the swing support plate 2102 opens, and the diameter of the circumference where the expander cone 21 contacts the opening at one end of the street lamp pole increases, and the street lamp pole The opening is expanded to realize tube expansion; the adjusting hand wheel 13 is rotated, the end tightening disc 2 tightens the other end of the lamppost, and the welding robot 3 welds and fixes the base flange 34 and the lamppost; the lamppost is fixed, and the lamppost There will be no relative displacement between the base flange and the welding accuracy; after the opening at one end of the lamp pole is enlarged, the gap between the outer wall of the lamp pole and the center hole of the base flange is eliminated, so that the base flange and the lamp pole The welding seam between them is uniform, and the welding is more firm and reliable. The advantage of this device is that: the expansion tube mechanism is used to expand the opening of one end of the street light pole to expand the tension, cooperate with the end to press the disc, fix the two ends of the street light pole, limit the axial movement of the street light pole, and support the lower side of the street light pole On the mobile bracket 1, the positioning of the street lamp pole is realized, the street lamp pole and the base flange will not produce relative displacement, and the welding accuracy is higher; the end of the street lamp pole to be welded is automatically moved to the center hole of the base flange, and the welding robot automatically Welding lamp poles and base flanges has a high degree of automation, saves time and effort, and improves welding efficiency.

The present invention is not limited to the above-mentioned embodiments. On the basis of the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and modifications to some of the technical features according to the disclosed technical content without creative work. Deformation, these replacements and deformations are all within the protection scope of the present invention.

Claims (10)

1. a kind of light pole and base flange automatic soldering device, which is characterized in that include the clamping for firm banking flange Mechanism, the side opposite with the clamp system are equipped with bar supporting mechanism, and the bar supporting mechanism includes at least a pair of horizontal branch The mobile bracket of light pole is supportted, one end of light pole is sent to the central hole of base flange by mobile bracket, with the light pole The opposite side in one end be equipped with tube expanding mechanism, tube expanding mechanism expands the one end open of the light pole, another with light pole The corresponding position in one end, which is equipped with, to hold out against disk along the end that light pole moves axially, and position corresponding with base flange is equipped with Welding robot.

2. a kind of light pole according to claim 1 and base flange automatic soldering device, which is characterized in that the clamping Mechanism includes clamping rack, clamps rack and is equipped with four pieces of support plates, the distribution symmetrical above and below of two support plates, two support plates or so pair Distribution, each support plate end is claimed to be arranged with two supporting surfaces, supporting surface is horizontal by 45 ° of angles, the branch of each support plate Support face is arranged in correspondence with each other, clamps that rack is upper that compression cylinder, the bottom of base flange are provided tiltedly between adjacent shore plates Portion is correspondingly provided with bottom supporting block.

3. a kind of light pole according to claim 1 or 2 and base flange automatic soldering device, which is characterized in that described Mobile bracket is connected to through guide rail slide block in frames, and mobile bracket is equipped at least a pair of of support roller, two support rollers respectively with just Tooth feed screw nut, anti-tooth feed screw nut are connected, and orthodontic feed screw nut, anti-tooth feed screw nut are sleeved on leading screw, leading screw with Light pole axis perpendicular, leading screw end are equipped with adjusting handle, and the mobile bracket is equipped with clamping screw.

4. a kind of light pole according to claim 3 and base flange automatic soldering device, which is characterized in that the end It holds out against disk to be arranged on the Mobile base of end, end Mobile base is connected to through guide rail slide block in frames, is set on the Mobile base of end Have a clamping screw, end Mobile base is equipped with adjusting screw rod, and end holds out against disk setting in adjusting screw rod one end, adjusting screw rod it is another One end is equipped with adjusting handle.

5. a kind of light pole according to claim 1 or 2 and base flange automatic soldering device, which is characterized in that described Tube expanding mechanism includes tube expansion engine base, and Mobile base, the working end phase of Mobile base and oil cylinder are connected with through guide rail slide block on tube expansion engine base Hinged, horizontal on Mobile base to be equipped with centre pilot set, centre pilot set is equipped with tube expansion cone, tube expansion close to one end of base flange The axis of cone and light pole coincides, and tube expansion cone includes spider, and spider upper edge has been provided at circumferentially spaced several swings Fagging is connected by tension spring between adjacent swing fagging, and centre pilot is put on equipped with the pusher head being axially movable, pusher head with Traversing driving device is sequentially connected.

6. a kind of light pole according to claim 5 and base flange automatic soldering device, which is characterized in that the promotion Head includes inner core and outer portion, and outer portion is set in centre pilot set periphery, and inner core is axially disposed in centre pilot set Portion is connected between inner core and outer portion through several interconnecting pieces for covering side wall radially across centre pilot, and centre pilot covers side wall Upper each interconnecting piece of correspondence offers wall trench.

7. a kind of light pole according to claim 6 and base flange automatic soldering device, which is characterized in that the movement Seat is equipped with support base, and being slidably supported through needle bearing on support base has impeller-hub, centre pilot set to be fixedly connected on support base On, impeller-hub correspondence stretches into centre pilot set, and pusher head setting is pushing shaft end, the traversing driving device with push away Driving-axle gearing connects.

8. a kind of light pole according to claim 7 and base flange automatic soldering device, which is characterized in that the center Guide sleeve includes the first body and the second body for being separately positioned on support base both sides.

9. a kind of light pole according to claim 7 and base flange automatic soldering device, which is characterized in that described traversing Driving mechanism includes the leading screw two being linked together with impeller-hub, and leading screw two is coaxially disposed with impeller-hub, and silk is arranged on leading screw two The left and right ends of thick stick nut, feed screw nut are equipped with thrust bearing.

10. a kind of light pole according to claim 9 and base flange automatic soldering device, which is characterized in that the silk Driven gear is arranged concentrically on thick stick nut, driven gear is wholely set with feed screw nut, and driven gear is mutually nibbled with driving gear It closes, the output end in speed reducer is arranged in driving gear, and speed reducer is connect with motor drive, and the Mobile base is equipped with speed reducer Seat, be provided on reducer pedestal can hold leading screw two axially across through-hole.