CN201283466Y

CN201283466Y - Portal type longitudinal girder welding machine

Info

Publication number: CN201283466Y
Application number: CNU2008201746739U
Authority: CN
Inventors: 刘宪福
Original assignee: Individual
Current assignee: SHANDONG SHUIBO WELDING CUTTING EQUIPMENT MANUFACTURING CO LTD
Priority date: 2008-11-03
Filing date: 2008-11-03
Publication date: 2009-08-05
Anticipated expiration: 2018-11-03

Abstract

The utility model provides a door type longitudinal beam welding machine comprising a framework, wherein a walking mechanism and a welding gun adjusting mechanism are arranged on the framework, a mounting rack is arranged on the welding guan adjusting mechanism, a first transducer, a second transducer and a second contact are arranged on the mounting rack, wherein a first contact is hinged with a transverse mobile device, the second contact is hinged with the mounting rack, the upper portion of the second contact is connected with an action part of the second transducer, a first spring is arranged on the mounting rack, one end of the first spring is connected with the mounting rack, the other end of the first spring is connected with the second contact, and a welding gun is arranged on the welding gun adjusting mechanism. The welding machine can salve the problems, the transducers thereof can sense the shape changing of a to-be welded work piece in the shortest time, which enables the welding to be accurate and tracks the welding line in time, the welding precision is higher, and the welding machine is easy to connect a digital control device, which can realize the digital control welding in the real sense.

Description

Gate-type longeron bonding machine

Technical field

The utility model relates to a kind of longeron welding equipment, exactly is a kind of gate-type longeron bonding machine.

Background technology

At present, existing all kinds of gantry welding machine or door shape welding machine on the market, its welding precision is lower, and be difficult to be connected the Digital Control that realizes real meaning with numerical control device, its main cause is, existing gantry welding machine or door shape welding machine, the sensing device that its control welding gun is followed the tracks of weld seam all is installed on away from welding torch position, and when the shape of workpiece to be welded changed, sensing device needed just can perceive the variation of workpiece shape after a plurality of parts actions, prolonged the time of adjusting welding gun, reaction sensitivity descends, thereby, reduced the precision of welding, even be connected, also be difficult to reach the welding precision of the numerical control welding of real meaning with high-precision numerical control device.

Summary of the invention

The purpose of this utility model provides a kind of gate-type longeron bonding machine, it can solve the problem of above-mentioned existence, its sensing device can be in the shortest time change of shape of perception workpiece to be welded, make welding accurately and timely follow the tracks of weld seam, welding precision is higher, and, be easy to be connected with numerical control device, can realize the numerical control welding of real meaning.

The utility model for achieving the above object, be achieved through the following technical solutions: gate-type longeron bonding machine, comprise frame, walking mechanism and welding gun adjusting mechanism are installed on the frame, installing rack is set on the welding gun adjusting mechanism, first sensor is installed on the installing rack, second sensor and second contact, the action component of first sensor is connected with first contact, first contact and horizontal mobile device are hinged, second contact and installing rack are hinged, the top of second contact is connected with the action component of second sensor, first spring is installed on the installing rack, one end of first spring is connected with installing rack, and the other end of first spring is connected with second contact, and welding gun is installed on the welding gun adjusting mechanism.

In order further to realize the purpose of this utility model, can also be by the following technical solutions: micromatic setting is set on the installing rack, micromatic setting is connected and composed by the 4th support, second leading screw, second nut and handwheel, the 4th support is connected with installing rack, second leading screw is installed on the 4th support, the periphery of second leading screw is installed second nut, and an end of second leading screw is installed handwheel, and second nut is connected with first sensor.Installing rack is connected and composed by first pole and second support, and the 3rd support is set on second support, and second sensor and second contact are installed on the 3rd support, and second contact and the 3rd support are hinged.Described walking mechanism is connected and composed by travel(l)ing rest, first motor, first gear, pull bar and second spring, travel(l)ing rest is installed on the frame, travel(l)ing rest and frame are hinged, first motor is installed on the travel(l)ing rest, first gear is installed on the output shaft of first motor, travel(l)ing rest is connected with an end of pull bar, and the periphery of pull bar is installed second spring, and an end of second spring contacts with frame.Described welding gun adjusting mechanism is by first slide plate, second slide plate, second motor, first leading screw, first nut and three-motor connect and compose, second tooth bar and first guide rail are set on the frame, first slide block is installed on first guide rail, first slide plate is installed on first slide block, three-motor is installed on first slide plate, second gear is installed on the output shaft of three-motor, second gear and the engagement of second tooth bar, second motor is installed on first slide plate, the output shaft of second motor is connected with first leading screw, the periphery of first leading screw is installed first nut, first nut is connected with first threads of lead screw, second slide plate is installed on first nut, second slide block is set on second slide plate, second guide rail is set on first slide plate, and second guide rail cooperates with second slide block, on second slide plate first sensor is installed, second sensor, second contact and installing rack.Second pole is installed on second slide plate, and second pole going up installed tremie pipe and rewinding pipe, and tremie pipe and rewinding pipe lay respectively at the both sides of first sensor.

Advantage of the present utility model is: its sensing device and welding gun are fixed in together by installing rack, when the shape of workpiece to be welded changes, sensing device can be adjusted the position of welding gun in the shortest time, make welding gun can follow the tracks of weld seam timely and accurately, welding precision can be significantly improved, and the numerical control welding that realizes real meaning can be connected with numerical control device.The utility model also has compactness simple for structure, advantage cheap for manufacturing cost and easy to use.

Description of drawings

Fig. 1 is a structural representation of the present utility model; Fig. 2 is a perspective view of the present utility model; Fig. 3 is that the A of Fig. 1 is to the structure for amplifying schematic diagram; Fig. 4 is that the B of Fig. 3 is to structural representation; Fig. 5 is the perspective view of Fig. 4; Fig. 6 is the local structure for amplifying schematic diagram of the II of Fig. 3; Fig. 7 is Fig. 6 left side TV structure schematic diagram; Fig. 8 is the perspective view of Fig. 6; Fig. 9 is the structure for amplifying schematic diagram of walking mechanism; Figure 10 is the right TV structure schematic diagram of Fig. 9; Figure 11 is the perspective view of walking mechanism; Figure 12 is the local structure for amplifying schematic diagram of the worker of Fig. 1.

：1 2 3 4 5 6 78 9 10 11 12 13 1415 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 3940 41 42 43 44 45 4647 48 49 50 51 52 53 54 55。

The specific embodiment

Gate-type longeron bonding machine described in the utility model, comprise frame 5, walking mechanism and welding gun adjusting mechanism are installed on the frame 5, walking mechanism can drive frame 5 and move as straight line along track 1, welding gun adjusting mechanism frame 5 is relatively done transverse movement, regulate the lateral attitude of welding gun, make welding gun can accurately and timely follow the tracks of weld seam on the workpiece 11, installing rack is set on the welding gun adjusting mechanism, first sensor 31 is installed on the installing rack, second sensor 16 and second contact 12, first contact 29 is installed on the first sensor 31, the action component of first sensor 31 is connected with first contact 29, first contact 29 is hinged with horizontal mobile device, and second contact 12 is hinged with installing rack, and the top of second contact 12 is connected with the action component of second sensor 16, first spring 14 is installed on the installing rack, one end of first spring 14 is connected with installing rack, and the other end of first spring 14 is connected with the top of second contact 12, and welding gun 15 is installed on the welding gun adjusting mechanism.The first sensor 31 of the present invention and second sensor 16 can be photoelectric sensors, also can use near switch or travel switch and replace photoelectric sensor, but sensitivity is relatively poor, welding precision is lower.For reducing the frictional resistance of 11 of second contact 12 or first contact 29 and workpiece, can pulley 48 be installed on second contact 12, wheel 8 is installed on first contact 29.Also wire-feed motor 27 can be installed on the installing rack, wire-feed motor 27 is that welding gun 15 is carried welding wire.

Operation principle of the present utility model:

In the welding process, under the effect of gravity, first contact 29 leans against on the base plate of workpiece 11 all the time, and second contact 12 is under the pulling force of first spring 14, and its underpart leans against on the side plate of workpiece 11 all the time; When the base plate shape of workpiece 11 raised up, first contact 29 was raised by base plate, simultaneously, first contact 29 touches the action component of first sensor 31, and at this moment, first sensor 31 sends signal, make welding gun adjusting mechanism improve welding gun 15, the action component of first sensor 31 is resetted; When the base plate shape of workpiece 11 during to lower recess, under the gravity effect, first contact 29 is the action components of pulling first sensors 31 downwards, and first sensor 31 sends the position that the signal controlling welding gun adjusting mechanism is adjusted welding gun 15 downwards; When the shape of workpiece 11 side plates is protruded outside it, under the drive of first spring 14, the bottom of second contact 12 keeps fitting tightly with workpiece 11 side plates to extrinsic deflection, simultaneously, second contact 12 touches the action component of second sensor 16, second sensor 16 sends the signal controlling welding gun adjusting mechanism and drives the direction that welding gun 15 is shifted to workpiece 11 side plates protrusion, and the action component of second sensor 16 is resetted; When workpiece 11 side plate shapes during to its inboard depression, the bottom of second contact 12 is by workpiece 11 direction promotion to the inside, the elastic force that the top of second contact 12 overcomes first spring 14 spurs the action component action of second sensor 16, second sensor 16 sends signal controlling welding gun adjusting mechanism drive welding gun 15 side direction in workpiece 11 and moves, and the action component of second sensor 16 is resetted.Above-mentioned welding gun adjusting mechanism drives welding gun 15 according to the concaveconvex shape of the base plate of workpiece 11 or side plate laterally or the process that moves up and down, and reality is exactly to drive welding gun 15 accurately to follow the tracks of workpiece 11 weld seams, the process of carrying out the high accuracy welding.

For guaranteeing welding precision, before welding, need to adjust the position between first sensor 31 and the workpiece 11, therefore, shown in Fig. 6 to 9, on the installing rack micromatic setting 19 can be set, micromatic setting 19 can be connected and composed by the 4th support 47, second leading screw 44, second nut 45 and handwheel 46, the 4th support 47 is connected with installing rack, second leading screw 44 is installed on the 4th support 47, end installation handwheel 46, the second nuts 45 that the periphery of second leading screw 44 is installed second nut, 45, the second leading screws 44 are connected with first sensor 31.Second leading screw 44, second nut 45 and the 4th support 47 connect and compose screw-nut body, rotate handwheel 46, handwheel 46 drives 44 rotations of second leading screw, second nut 45 is subjected to can't rotate in the constraint of the 4th support 47, can only be along second leading screw, 44 downward or downward moving linearlies, thereby, can directly adjust upper-lower position between first sensor 31 and the workpiece 11 by second nut 45.Micromatic setting 19 also can be devices such as hydraulic cylinder or pneumatic cylinder, can also be that existing other can be regulated the device of first sensor 31 upper-lower positions relation, but, the result sees through test of many times, the micromatic setting 19 of screw-nut body and comparing of other structures have the precision of adjustment height, advantage of low manufacturing cost.For convenient that the first sensor 31 and second nut 45 is fixing, connector 53 can be installed on second nut 45, first sensor 31 is installed on the connector 53; For the action component to first sensor 31 play the guiding role, baffle plate 54 can be set on connector 53, offer second through hole 52 on the baffle plate 54, the action component of first sensor 31 passes the back by second through hole 52 and is connected with first contact 29; Because touch in the process of action component of first sensors 31 at first contact 29, this action component can be swung with first sensor 31 relatively, rub when avoiding moving, the diameter of second through hole 52 should be greater than the external diameter of action component.Shown in Fig. 6 to 9, for under the prerequisite of saving material, being convenient to first contact 29 is connected with the action component of first sensor 31, first contact 29 can be made strip, and on first contact 29, connecting rod 43 is set, the connecting rod 43 and first contact 29 form an angle, and connecting rod 43 is connected with the action component of first sensor 31.

Shown in Fig. 6 to 9, installing rack can be connected and composed by first pole 18 and second support 17, micromatic setting 19 is installed on first pole 18, the 3rd support 42 is set on second support 17, second sensor 16 and second contact, 12, the second contacts 12 are installed on the 3rd support 42 can be hinged by second rotating shaft 13 and the 3rd support 42.Installing rack is designed to said structure, has the advantage of being convenient to processing and manufacturing and installation, and can save material, reduces the volume and weight of equipment integral body.For making second contact 12 flexible motion on the 3rd support 42, can on the 3rd support 42, offer first through hole, 41, the second contacts 12 and be positioned at first through hole 41.

Shown in Fig. 1 and Fig. 9 to 12, described walking mechanism is connected and composed by travel(l)ing rest 9, first motor 10, first gear 3, pull bar 49 and second spring 50, travel(l)ing rest 9 is installed on the frame 5, travel(l)ing rest 9 is hinged with frame 5, first motor 10 is installed on the travel(l)ing rest 9, first gear 3 is installed on the output shaft of first motor 10, travel(l)ing rest 9 is connected with an end of pull bar 49, the periphery of pull bar 49 is installed second spring 50, one end of second spring 50 contacts with frame 5, and second spring 50 provides pretightning force for pull bar 49; During welding, on for the track 1 of frame 5 walkings, first tooth bar 2 is installed,

first tooth bar

2 and 3 engagements of first gear, first motor 10 drives first gear 3 and rotates, first gear 3 cooperates drive frame 5 to move along track 1 with first tooth bar 2, second spring 50 and pull bar 49 constitute the adjusting device of travel(l)ing rest 9, after using certain hour, when first gear 3 and first tooth bar 2 all have the wearing and tearing engagement not tight, second spring 50 can make pull bar 49 pulling travel(l)ing rests 9 move, and makes travel(l)ing rest 9 drive

first gears

3 and 2 engagements of first tooth bar closely.Frictional resistance when reducing frame 5 along track 1 walking can be installed road wheel 4 on frame 5, road wheel 4 is positioned over track 1.Walking mechanism also can be following organization plan: on frame 5 motor is installed, the output shaft of motor is connected with road wheel 4, and motor can rotate by driving road wheel 4, and road wheel 4 drives frame 5 along track 1 walking; But the precision of its walking is difficult to realize numerical control control much smaller than the walking mechanism that is connected and composed by travel(l)ing rest 9, first motor 10, first gear 3, pull bar 49 and second spring 50.Install for ease of making, also for making device structure compact more, offer groove 51 on the frame 5 simultaneously, travel(l)ing rest 9 is installed in the groove 51.The end that nut 55, the second springs 50 can be installed on the pull bar 49 contacts with frame 5, and the other end contacts with nut 55, can be more convenient for providing pretightning force for pull bar 49.

Shown in Fig. 1 to 5, described welding gun adjusting mechanism is by first slide plate 22, second slide plate 20, second motor 23, first leading screw 25, first nut 38 and three-motor 35 connect and compose, second tooth bar 21 and first guide rail 26 are set on the frame 5, first slide block 36 is installed on first guide rail 26, first slide plate 22 is installed on first slide block 36, three-motor 35 is installed on first slide plate 22, second gear 33 is installed on the output shaft of three-motor 35,

second gear

33 and 21 engagements of second tooth bar, second motor 23 is installed on first slide plate 22, the output shaft of second motor 23 is connected with first leading screw 25, the periphery of first leading screw 25 is installed first nut 38, first nut 38 is threaded with first leading screw 25, installs on second slide plate, 20, the second slide plates 20 on first nut 38 second slide block 37 is set, second guide rail 24 is set on first slide plate 22, second guide rail 24 cooperates with second slide block 37, on second slide plate 20 installing rack is installed, and second slide plate 20 and first contact 29 are hinged.For ease of processing and fabricating, shorten the length of second slide plate 20, to reach the purpose of saving material, it is strips that first support, 28, the first supports 28 can be set on second slide plate 20, first support 28 is hinged by first rotating shaft 30 and first contact 29.When the action component of first sensor 31 is touched by first contact 29, first sensor 31 sends signal to second motor 23, second motor 23 drives second slide plate, 20 relative first slide plates 22 by first leading screw 25 with first nut 38 and moves up and down, thereby, realize adjusting the upper-lower position relation between welding gun 15 and the workpiece 11; When the action component of second sensor 16 is touched by second contact 12, second sensor 16 signals to three-motor 35, three-motor 35 drives second gear 33 and rotates, and second gear 33 drives first slide plate 22 with 21 engagements of second tooth bar and laterally moves relative to frame 5.For ease of installing on three-motor 35, the first slide plates 22 motor cabinet 34 can be installed, three-motor 35 is installed on the motor cabinet 34.In the said structure, the power that first slide plate 22 laterally moves relative to frame 5 are by three-motor 35, the motion that second gear 33 and second tooth bar 21 connect and compose provides, the power of first slide plate 22 can also be provided by the motion of following organization plan, promptly, by motor, the motion that sprocket wheel and chain connect and compose provides, can also provide by other existing motions, but, through for a long time repeatedly the experiment learn, by three-motor 35, second gear 33 is compared with other existing motions with the motion that second tooth bar 21 connects and composes, it is accurate to have displacement, stable advantage also is convenient to realize Digital Control simultaneously.Second slide plate 20 is to rely on the screw-nut body that is connected and composed by second motor 23, first leading screw 25 and first nut 38 that power is provided with respect to moving up and down of first slide plate 22, the power of second slide plate 20 also can substitute above-mentioned screw-nut body by hydraulic cylinder or pneumatic cylinder mechanism and provide, but, learn the stability of hydraulic cylinder or pneumatic cylinder mechanism driving and precision screw-nut body not as connecting and composing by second motor 23, first leading screw 25 and first nut 38 through testing repeatedly.

For auxiliary welding, improve welding precision, can installation tremie pipe 39 and rewinding pipe 32 on second pole, 40, the second poles 40 be installed on second slide plate 20, tremie pipe 39 and rewinding pipe 32 lay respectively at the both sides of first sensor 31.

The action component of the described first sensor 31 and second sensor 16 can be respectively first bar 6 and second bar 7, installs on the first sensor 31 second bar 7 is installed on first bar, 6, the second sensors 16.

Described first spring 14 and second spring 50 also can be that other have elastomeric element or device, for example damper or strip or the strap means made by elastomeric material.

The utility model not technology contents of detailed description is known technology.

Claims

1, gate-type longeron bonding machine, it is characterized in that: comprise frame (5), frame (5) goes up installs walking mechanism and welding gun adjusting mechanism, installing rack is set on the welding gun adjusting mechanism, first sensor (31) is installed on the installing rack, second sensor (16) and second contact (12), the action component of first sensor (31) is connected with first contact (29), first contact (29) is hinged with horizontal mobile device, second contact (12) is hinged with installing rack, the top of second contact (12) is connected with the action component of second sensor (16), first spring (14) is installed on the installing rack, one end of first spring (14) is connected with installing rack, the other end of first spring (14) is connected with second contact (12), and welding gun (15) is installed on the welding gun adjusting mechanism.

2, gate-type longeron bonding machine according to claim 1, it is characterized in that: micromatic setting (19) is set on the installing rack, micromatic setting (19) is connected and composed by the 4th support (47), second leading screw (44), second nut (45) and handwheel (46), the 4th support (47) is connected with installing rack, the 4th support (47) is gone up second leading screw (44) is installed, the periphery of second leading screw (44) is installed second nut (45), one end of second leading screw (44) is installed handwheel (46), and second nut (45) is connected with first sensor (31).

3, gate-type longeron bonding machine according to claim 1 and 2, it is characterized in that: installing rack is connected and composed by first pole (18) and second support (17), the 3rd support (42) is set on second support (17), the 3rd support (42) is gone up second sensor (16) and second contact (12) is installed, and second contact (12) is hinged with the 3rd support (42).

4, gate-type longeron bonding machine according to claim 1, it is characterized in that: described walking mechanism is by travel(l)ing rest (9), first motor (10), first gear (3), pull bar (49) and second spring (50) connect and compose, frame (5) goes up installs travel(l)ing rest (9), travel(l)ing rest (9) is hinged with frame (5), travel(l)ing rest (9) is gone up first motor (10) is installed, first gear (3) is installed on the output shaft of first motor (10), travel(l)ing rest (9) is connected with an end of pull bar (49), the periphery of pull bar (49) is installed second spring (50), and an end of second spring (50) contacts with frame (5).

5, gate-type longeron bonding machine according to claim 1, it is characterized in that: described welding gun adjusting mechanism is by first slide plate (22), second slide plate (20), second motor (23), first leading screw (25), first nut (38) and three-motor (35) connect and compose, second tooth bar (21) and first guide rail (26) are set on the frame (5), first guide rail (26) is gone up first slide block (36) is installed, first slide block (36) is gone up first slide plate (22) is installed, first slide plate (22) is gone up three-motor (35) is installed, second gear (33) is installed on the output shaft of three-motor (35), second gear (33) and second tooth bar (21) engagement, first slide plate (22) is gone up second motor (23) is installed, the output shaft of second motor (23) is connected with first leading screw (25), the periphery of first leading screw (25) is installed first nut (38), first nut (38) is threaded with first leading screw (25), first nut (38) is gone up second slide plate (20) is installed, second slide block (37) is set on second slide plate (20), second guide rail (24) is set on first slide plate (22), second guide rail (24) cooperates with second slide block (37), and second slide plate (20) is gone up first sensor (31) is installed, second sensor (16), second contact (12) and installing rack.

6, gate-type longeron bonding machine according to claim 5, it is characterized in that: second slide plate (20) is gone up second pole (40) is installed, second pole (40) going up installed tremie pipe (39) and rewinding pipe (32), and tremie pipe (39) and rewinding pipe (32) lay respectively at the both sides of first sensor (31).