CN204818389U - Anticollision welder of robot - Google Patents

Anticollision welder of robot Download PDF

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Publication number
CN204818389U
CN204818389U CN201520465102.0U CN201520465102U CN204818389U CN 204818389 U CN204818389 U CN 204818389U CN 201520465102 U CN201520465102 U CN 201520465102U CN 204818389 U CN204818389 U CN 204818389U
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CN
China
Prior art keywords
slide
welding gun
spring
control system
microswitch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520465102.0U
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Chinese (zh)
Inventor
牧野胜
胜又直路
田中秀幸
钱晓锋
张敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONGJIN MACHINERY METALS Co Ltd SUZHOU
Original Assignee
DONGJIN MACHINERY METALS Co Ltd SUZHOU
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Priority to CN201520465102.0U priority Critical patent/CN204818389U/en
Application granted granted Critical
Publication of CN204818389U publication Critical patent/CN204818389U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides an anticollision welder of robot, including the welder body, set up at welder body rear end and the wire drive feed unit through cable junction, be used for controlling the robot arm and the mass control system of the action of welder body, wire drive feed unit and robot arm all are connected with mass control system, still include the obstacle avoidance sensor, sensor settings is between welder body and robot arm in the anticollision for the shock force of response welder body front end, the obstacle avoidance sensor is connected with mass control system, and mass control system receives the signal of obstacle avoidance sensor to real time control robot arm and wire drive feed unit action, the utility model discloses an adding the obstacle avoidance sensor among the welder of robot, can detecting the dynamics when colliding, in time the buffering is collided and is sent the warning to mass control system, makes mass control system the upon impact appear in welding process and can in time effectively adjust the operation.

Description

A kind of crashproof robot welding gun
Technical field
The utility model relates to robot welding gun technical field, particularly relates to a kind of crashproof robot welding gun.
Background technology
Welding robot is the industrial robot being engaged in welding (comprising cutting and spraying).Industrial robot be a kind of multiduty, can the automatic control operation machine of overprogram, there is three or more programmable axle, for industrial automation.Welding robot is exactly at the last shaft flange attaching soldering turret of industrial robot or weldering (cutting) rifle, makes it to weld, cutting or thermal spraying.
Robot welding gun is that welding gun performs weld job under the control of industrial robot at industrial robot terminal attaching welding gun.General welding process is the welding wire that resistance welding gun electric conducting nozzle place sends high temperature melt, and welding two workpiece interface forms molten bath, forms continuous weld and be connected in one by two workpiece after cooling.Welding gun robot controlling, when welding, is easy to occur that welding gun and workpiece collide, if robot works on, wire-feed motor continuation wire feed, will there will be workpiece and welding gun is badly damaged.Traditional welding gun and robot arm are for being rigidly connected, even if there is not severe crash in weld job, the situation that welding wire blocks, the vibration also inevitably produced or slight impact, vibration or slight impact will affect the life-span of robot welding gun for a long time.
Utility model content
The utility model provides a kind of crashproof robot welding gun, dynamics when colliding is there is when its object is to detect weld job, timely cushioning shock also sends warning to general control system, timely and effectively carries out adjustment operation when enabling general control system occur collision in welding process.
For reaching this object, the utility model by the following technical solutions:
The utility model provides a kind of crashproof robot welding gun, comprise welding gun body, be arranged on welding gun body rear end and the wire feeder connected by cable, for controlling robot arm and the general control system of this body action of welding gun, described wire feeder is all connected with general control system with robot arm, also include obstacle avoidance sensor, described obstacle avoidance sensor is arranged between welding gun body and robot arm, for the impulsive contact force of induction welding gun body front end, described obstacle avoidance sensor is connected with general control system, general control system receives the signal of obstacle avoidance sensor, and real time control machine device human arm and wire feeder action.
Further technical scheme is, described obstacle avoidance sensor comprises connecting axle, cylinder body, slide, back-moving spring, and microswitch, described connecting axle is slidably arranged in cylinder body, and one end is stretched out described cylinder body and is connected to welding gun body rear end, described slide is slidably arranged in cylinder body and its one end by being located at connecting axle rear end face, described back-moving spring is set on described slide, for realizing the reset forward of slide, described microswitch is connected with described slide, forward or the backward movement of slide can control the movable contact of microswitch and the connection of stationary contact and disconnection, described microswitch is connected with general control system.
Further technical scheme is, described slide comprises baffle plate and is arranged on described baffle plate one side and perpendicular to the sliding axle of this side, described baffle plate is by being located at described connecting axle rear end face, one end that described sliding axle does not connect baffle plate is slidably arranged in the slide opening of described cylinder body, described back-moving spring is set on sliding axle, and between baffle plate and slide opening inner face; Move backward under the effect of the impact force that described connecting axle transmits in welding gun body front end, and then promotion slide moves backward along sliding eye, microswitch disconnects and transmits collision alarm, general control system Receiving collision signal control machine human arm and wire feeder suspend action, slide resets forward under the effect of back-moving spring, microswitch transmits reset signal, and general control system receives reset signal and control arm action, and wire feeder continues wire feed.
Further technical scheme is, the stationary contact of described microswitch is be arranged on the detent bumps outside microswitch body, the movable contact of described microswitch is that one end is fixed on microswitch body, one end is erected on the brake bar on the slide plate that links with slide, when slide is in reset mode, brake bar is connected with detent bumps, and drive brake bar to rotate when slide moves backward, brake bar and detent bumps disconnect.
Further technical scheme is, described cylinder body slide opening inner face on be fixedly installed the limit spring being no less than, described baffle plate is provided with spring slotted eye, when described slide moves backward, described limit spring stretches in described spring slotted eye, limit spring is against during to spring slotted eye bottom end face, and slide is in the extreme position of displacement backward.
Further technical scheme is, described cylinder body front end is provided with end cap, described end cap central is provided with the through hole for wearing connecting axle, also include spring buffer cover, described spring buffer cover comprise sleeve and with sleeve connection in one spring body, described jacket casing is located on connecting axle, and described spring body one end is fixed on end cap, described sleeve lining is provided with boss, and described connecting axle is provided with the groove suitable with described boss.
Further technical scheme is, described connecting axle rear end is fixedly connected with backup plate, and described backup plate and described baffle plate contact with each other, and described connecting axle transmits impact force by backup plate to slide.
Further technical scheme is, described limit spring is arranged in described cylinder body inner circumferential, and quantity is no less than two, is provided with spring base in described spring slotted eye.
Further technical scheme is, described obstacle avoidance sensor is fixedly installed on robot arm terminal, and described obstacle avoidance sensor front end is connected with welding gun body by paw, and described paw and welding gun body link.
The beneficial effects of the utility model are:
1, add obstacle avoidance sensor in robot of the present utility model welding gun, can detect dynamics during collision, timely cushioning shock also sends warning to general control system, timely and effectively carries out adjustment operation when enabling general control system occur collision in welding process.
2, the obstacle avoidance sensor in the utility model carries reset function, it can detect the impact force in welding process in real time, when welding gun recovers normal work (not colliding appearance) again, obstacle avoidance sensor automatically resets, and provide reset signal in general control system, automatically recover normal operation to make robot welding gun.
3, spring buffer cover is also provided with, it is arranged on welding gun sensor foremost, for absorb buffering welding gun welding in small vibration or slight impact, it can not only ensure welding efficiency, and avoid the damage of small vibration or slight impact Butt welding gun and robot arm, extend it and use service life.
Accompanying drawing explanation
The control principle drawing of the crashproof robot welding gun that Fig. 1 provides for the utility model embodiment;
Fig. 2 provides the structural representation of crashproof robot welding gun for the utility model embodiment;
The structural representation of the obstacle avoidance sensor that Fig. 3 provides for the utility model embodiment;
Fig. 4 is the enlarged drawing of part A in Fig. 3.
In figure:
1, welding gun body; 2, cable; 3, wire feeder; 4, robot arm; 5, general control system; 6, obstacle avoidance sensor; 7, connecting axle; 8, cylinder body; 9, slide; 10, back-moving spring; 11, microswitch; 12, slide opening; 13, limit spring; 14, spring slotted eye; 15, detent bumps; 16, slide plate; 17, brake bar; 18, end cap; 19, spring buffer cover; 20, boss; 21, paw; 22, spring base; 71, backup plate; 91, baffle plate; 92, sliding axle.
Detailed description of the invention
The technical solution of the utility model is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Present embodiments provide a kind of crashproof robot welding gun, as depicted in figs. 1 and 2, comprise welding gun body 1, be arranged on welding gun body 1 rear end and the wire feeder 3 connected by cable 2, for controlling robot arm 4 and the general control system 5 of welding gun body 1 action, described wire feeder 3 is all connected with general control system 5 with robot arm 4, also include obstacle avoidance sensor 6, described obstacle avoidance sensor 6 is arranged between welding gun body 1 and robot arm 4, concrete, described obstacle avoidance sensor 6 is fixedly installed on robot arm 4 terminal, described obstacle avoidance sensor 6 front end is connected with welding gun body 1 by paw 21, obstacle avoidance sensor 6 is for the impulsive contact force of induction welding gun body 1 front end, the paw 21 that impulsive contact force warp during welding and welding gun body 1 link is sent to obstacle avoidance sensor 6.Described obstacle avoidance sensor 6 is connected with general control system 5, and general control system 5 receives the signal of obstacle avoidance sensor 6, and real time control machine device human arm 4 and wire feeder 3 action.
Add obstacle avoidance sensor 6 in robot welding gun in the present embodiment, can detect dynamics during collision, timely cushioning shock also sends warning to general control system 5, timely and effectively carries out adjustment operation when enabling general control system 5 occur collision in welding process.
As shown in Figure 1, in the present embodiment, the signal that described obstacle avoidance sensor 6 sends is divided into collision alarm and reset signal.When general control system 5 receives the collision alarm of obstacle avoidance sensor 6, control machine human arm 4 and wire feeder 3 suspend action, when general control system 5 receives the reset signal of obstacle avoidance sensor 6, control machine human arm 4 continues action, and wire feeder 3 continues wire feed.
As shown in Figure 3, concrete, described obstacle avoidance sensor 6 comprises connecting axle 7, cylinder body 8, slide 9, back-moving spring 10 and microswitch 11, described connecting axle 7 is slidably arranged in cylinder body 8, and one end is stretched out described cylinder body 8 and is connected to welding gun body 1 rear end by paw 21, and described connecting axle 7 rear end is fixedly connected with backup plate 71.Described slide 9 is slidably arranged in cylinder body 8, it comprises baffle plate 91 and is arranged on described baffle plate 91 1 side and perpendicular to the sliding axle 92 of this side, described backup plate 71 contacts with each other with described baffle plate 91, described connecting axle 7 transmits impact force by backup plate 71 to slide 9, one end that described sliding axle 92 does not connect baffle plate 91 is slidably arranged in the slide opening 12 of described cylinder body 8, on the sliding axle 92 that described back-moving spring 10 is set in described slide 9 and between baffle plate 91 and slide opening 12 inner face, for realizing the reset forward of slide 9.The stationary contact of described microswitch 11 is be arranged on the detent bumps 15 outside microswitch 11 body, the movable contact of described microswitch 11 is that one end is fixed on microswitch 11 body, one end is erected on the brake bar 17 on the slide plate 16 that links with slide 9, the movable contact that the forward or backward movement of slide 9 can control microswitch 11 rotates with the connection and the disconnection that make movable contact and stationary contact, and described microswitch 11 is connected with general control system 5.
When there is collision when soldered, impact force is sent to connecting axle 7 through welding gun body 1, connecting axle 7 moves backward and then promotes slide 9 and moves backward along slide opening 12, brake bar 17 rotates and then disconnects with detent bumps 15 under the drive of slide plate 16, now, microswitch 11 sends collision alarm to general control system 5, general control system 5 Receiving collision signal control machine human arm 4 and wire feeder 3 suspend action.While slide 9 moves backward, back-moving spring 10 is compressed, when weld job steadily carries out again, impact force disappears, the back-moving spring 10 driven forward slide 9 of compression, now, brake bar 17 contacts with detent bumps 15 again, and microswitch 11 sends reset signal to general control system 5, general control system 5 receives reset signal and control machine human arm 4 action, and wire feeder 3 continues wire feed.
Further, slide opening 12 inner face of described cylinder body 8 is fixedly installed the limit spring 13 being no less than, preferably, state limit spring 13 to arrange in described cylinder body 8 inner circumferential, and quantity is no less than two, described baffle plate 91 is provided with spring slotted eye 14, in described spring slotted eye 14, is provided with spring base 22.When described slide 9 moves backward, described limit spring 13 stretches in described spring slotted eye 14, and limit spring 13 is against during to spring slotted eye 14 bottom end face, and slide 9 is in the extreme position of displacement backward.Limit spring 13 is set, prevent slide 9 moving displacement excessive (only need ensure that the displacement of slide 9 movement backward can make brake bar 17 and detent bumps 15 disconnect) backward, back-moving spring 10 is overly compressed, when causing resetting, restoring force is excessive, causes connecting rod and welding gun body 1 to vibrate.
Simultaneously with reference to Fig. 4, further, described cylinder body 8 front end is provided with end cap 18, described end cap 18 center is provided with the through hole for wearing connecting axle 7, also includes spring buffer cover 19, described spring buffer cover 19 comprise sleeve and with the spring body of sleeve connection in one, described jacket casing is located on connecting axle 7, described spring body one end is fixed on end cap 18, and described sleeve lining is provided with boss 20, and described connecting axle 7 is provided with the groove suitable with described boss 20.The rigidity of described spring buffer cover 19 is less than the rigidity of back-moving spring 10, when impact force is very little, only need spring buffer to overlap 19 to cushion, absorb its vibration, back-moving spring 10 is not compressed, and namely robot arm 4 and wire feeder 3 do not need to quit work, and can not only ensure welding efficiency, and avoid the damage of small vibration or slight impact Butt welding gun and robot arm 4, extend it and use service life.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection domain by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other detailed description of the invention of the present utility model, and these modes all will fall within protection domain of the present utility model.

Claims (9)

1. a crashproof robot welding gun, it is characterized in that: comprise welding gun body (1), be arranged on welding gun body (1) rear end and the wire feeder (3) connected by cable (2), for controlling robot arm (4) and the general control system (5) of welding gun body (1) action, described wire feeder (3) is all connected with general control system (5) with robot arm (4), also include obstacle avoidance sensor (6), described obstacle avoidance sensor (6) is arranged between welding gun body (1) and robot arm (4), for the impulsive contact force of induction welding gun body (1) front end, described obstacle avoidance sensor (6) is connected with general control system (5), general control system (5) receives the signal of obstacle avoidance sensor (6), and real time control machine device human arm (4) and wire feeder (3) action.
2. crashproof robot according to claim 1 welding gun, it is characterized in that: described obstacle avoidance sensor comprises connecting axle (7), cylinder body (8), slide (9), back-moving spring (10), and microswitch (11), described connecting axle (7) is slidably arranged in cylinder body (8), and one end is stretched out described cylinder body (8) and is connected to welding gun body (1) rear end, described slide (9) is slidably arranged in cylinder body (8) and its one end by being located at connecting axle (7) rear end face, described back-moving spring (10) is set on described slide (9), for realizing the reset forward of slide (9), described microswitch (11) is connected with described slide (9), forward or the backward movement of slide (9) can control the movable contact of microswitch (11) and the connection of stationary contact and disconnection, described microswitch (11) is connected with general control system (5).
3. crashproof robot according to claim 2 welding gun, it is characterized in that: described slide (9) comprises baffle plate (91) and is arranged on described baffle plate (91) side and perpendicular to the sliding axle (92) of this side, described baffle plate (91) is by being located at described connecting axle (7) rear end face, one end that described sliding axle (92) does not connect baffle plate (91) is slidably arranged in the slide opening (12) of described cylinder body (8), described back-moving spring (10) is set on sliding axle (92), and be positioned between baffle plate (91) and slide opening (12) inner face, move backward under the effect of the impact force that described connecting axle (7) transmits in welding gun body (1) front end, and then promotion slide (9) is moved backward along slide opening (12), movable contact and the stationary contact of microswitch (11) disconnect and transmit collision alarm, general control system (5) Receiving collision signal control machine human arm (5) and wire feeder (3) suspend action, slide (9) resets forward under the effect of back-moving spring (10), the movable contact of microswitch (11) is connected with stationary contact and transmits reset signal, general control system (5) receives reset signal and control machine human arm (4) action, wire feeder (3) continues wire feed.
4. crashproof robot according to claim 3 welding gun, it is characterized in that: the stationary contact of described microswitch (11) is the detent bumps (15) be arranged on outside microswitch body, the movable contact of described microswitch (11) is that one end is fixed on microswitch body, one end is erected on the brake bar (17) on the slide plate (16) that links with slide (9), when slide (9) is in reset mode, brake bar (17) is connected with detent bumps (15), drive brake bar (17) to rotate when slide (9) moves backward, brake bar (17) and detent bumps (15) disconnect.
5. according to the arbitrary described crashproof robot welding gun of claim 3-4, it is characterized in that: on slide opening (12) inner face of (8) of described cylinder body, be fixedly installed the limit spring (13) being no less than, described baffle plate (91) is provided with spring slotted eye (14), when described slide (9) moves backward, described limit spring (13) stretches in described spring slotted eye (14), limit spring (13) is against during to spring slotted eye (14) bottom end face, and slide (9) is in the extreme position of displacement backward.
6. crashproof robot according to claim 2 welding gun, it is characterized in that: described cylinder body (8) front end is provided with end cap (18), described end cap (18) center is provided with the through hole for wearing connecting axle (7), also include spring buffer cover (19), described spring buffer cover (19) comprise sleeve and with sleeve connection in one spring body, described jacket casing is located on connecting axle (7), described spring body one end is fixed on end cap (18), described sleeve lining is provided with boss (20), described connecting axle (7) is provided with the groove suitable with described boss (20).
7. crashproof robot according to claim 3 welding gun, it is characterized in that: described connecting axle (7) rear end is fixedly connected with backup plate (71), described backup plate (71) and described baffle plate (91) contact with each other, and described connecting axle (7) transmits impact force by backup plate (71) to slide (9).
8. crashproof robot according to claim 5 welding gun, it is characterized in that: described limit spring (13) is arranged in described cylinder body (8) inner circumferential, and quantity is no less than two, in described spring slotted eye (14), be provided with spring base (22).
9. crashproof robot according to claim 1 welding gun, it is characterized in that: described obstacle avoidance sensor (6) is fixedly installed on robot arm (4) terminal, described obstacle avoidance sensor (6) front end is connected with welding gun body (1) by paw (21), and described paw (21) and welding gun body (1) link.
CN201520465102.0U 2015-07-01 2015-07-01 Anticollision welder of robot Expired - Fee Related CN204818389U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520465102.0U CN204818389U (en) 2015-07-01 2015-07-01 Anticollision welder of robot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520465102.0U CN204818389U (en) 2015-07-01 2015-07-01 Anticollision welder of robot

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105312726A (en) * 2015-12-05 2016-02-10 重庆镭宝激光智能机器人制造有限公司 Flame welding gun fixing frame used for welding robot
CN106684641A (en) * 2017-01-10 2017-05-17 济南诺博德焊割辅具有限公司 Tool for connecting bumper and cable front connector and connection method employing tool
CN107450560A (en) * 2017-09-13 2017-12-08 昂华(上海)自动化工程股份有限公司 A kind of robot CAS

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105312726A (en) * 2015-12-05 2016-02-10 重庆镭宝激光智能机器人制造有限公司 Flame welding gun fixing frame used for welding robot
CN106684641A (en) * 2017-01-10 2017-05-17 济南诺博德焊割辅具有限公司 Tool for connecting bumper and cable front connector and connection method employing tool
CN107450560A (en) * 2017-09-13 2017-12-08 昂华(上海)自动化工程股份有限公司 A kind of robot CAS

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20151202

Termination date: 20200701

CF01 Termination of patent right due to non-payment of annual fee