CN201529835U - Portable no-dead-angle automatic welding equipment - Google Patents
Portable no-dead-angle automatic welding equipment Download PDFInfo
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- CN201529835U CN201529835U CN2009202060143U CN200920206014U CN201529835U CN 201529835 U CN201529835 U CN 201529835U CN 2009202060143 U CN2009202060143 U CN 2009202060143U CN 200920206014 U CN200920206014 U CN 200920206014U CN 201529835 U CN201529835 U CN 201529835U
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- gun rack
- gun
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Abstract
The utility model relates to portable no-dead-angle automatic welding equipment comprising a rack, a welding gun, a welding gun frame and a welding gun frame driving device, wherein the welding gun frame driving device comprises a motor, a worm, a worm wheel, a crankshaft, a connecting rod, a linear bearing and a linear bearing block; the motor and the worm are connected, the worm is meshed with the worm wheel; the root part of the crankshaft is fixed on the worm wheel; the front end of the crankshaft is hinged with the tail part of the connecting rod which is provided with the linear bearing; and the linear bearing is arranged on the bearing block which is pivoted with the rack. When the motor drives the worm wheel to rotate forwardly and reversely in the range with angle displacement of less than or equal to Pi, the connecting rod swings leftward and rightward by the linear bearing block and do axial linear reciprocating movement by the linear bearing, at the moment, the head of the connecting rod forms linear reciprocating movement, so as to lead the welding gun frame fixed at the top end of the connecting rod to move in a reciprocating manner along the linear track; and the welding gun carries out welding by taking the track of linear reciprocating movement as path, thus achieving no-dead-angle automatic welding. The utility model relates to the portable no-dead-angle automatic welding equipment which has simple structure, stable performance and low requirement for the performance of the motor and can guarantee the accuracy of reciprocating linear movement of the welding gun.
Description
Technical field
The utility model relates to the group technology or the equipment of welding or cutting, relates in particular to Portable Automatic welding equipment.
Background technology
The Portable Automatic welding equipment of prior art includes frame, welding gun, gun rack and gun rack drive unit.Welding gun is loaded on the gun rack, and gun rack is connected with the gun rack drive unit, and the gun rack drive unit is loaded on the frame.In order to reach the purpose of automatic welding, what the gun rack drive unit adopted is a kind of linear reciprocating drive unit, and the gun rack drive unit drives gun rack and does straight reciprocating motion, and welding gun welds automatically along the orbiting motion of this straight reciprocating motion.The gun rack drive unit of prior art has gas, liquid piston type and nut screw mandrel formula etc., the reciprocating type gun rack drive unit of this class form that just is to use as Chinese patent 2007201125318 " knife rack driving mechanism that is used for incontinence trousers reciprocating welding system "; What Chinese patent 200710160083.0 " drive unit of welder " used is nut screw mandrel formula gun rack drive unit, and Chinese patent 02141406.8 " automatic welding gun electrode apparatus for shaping " uses is planetary gear straight line gun rack drive unit, and the gun rack drive unit of various ways such as the connecting rod straight-line mechanism that uses traditional bent axle slide block, linear servo motor moving slider is also arranged in practice.Gas, liquid piston cylinder operator are because of wanting the working pressure source, be not easy in portable welding equipment, adopt, and kind of drive complex structure, motor usefulness conversion ratio that other prior art mechanical type rotations become linear reciprocating motion are lower, and also have each position mechanism of intermediate link coefficient of stability more, whole system low or motor performance had relatively high expectations and slide block requires than shortcomings such as precisions, and have the welding dead angle at the two ends of welding track, require to carry out artificial repair welding in the end of workpiece.
Summary of the invention
The technical problems to be solved in the utility model is to avoid above-mentioned the deficiencies in the prior art part and provides a kind of simple in structure, stable performance, performance requirement to motor is low, particularly be applicable to portable welding equipment, the portable no dead angle automatic welding device of welding gun linear reciprocating motion precision in the time of guaranteeing welding.
The technical scheme that the utility model solve the technical problem employing is: a kind of portable no dead angle automatic welding device is provided, comprises frame, welding gun, gun rack and gun rack drive unit.Welding gun is loaded in the welding gun folder on the gun rack, gun rack is loaded on the gun rack drive unit, the gun rack drive unit is loaded on the frame, especially, described gun rack drive unit comprises motor, worm screw, worm gear, bent axle, connecting rod, linear bearing and linear axis bearing, motor is connected with worm screw, the worm and wheel engagement, the root of described bent axle is fixed on the spoke of worm gear, its head is then hinged by the afterbody of crank and connecting rod, gun rack is installed on the connecting rod, and gun rack is fixed in the top of described connecting rod by vertical slide unit, and linear bearing is housed on the connecting rod, this linear bearing is loaded on the linear axis bearing, and the linear axis bearing articulates with the platform of frame again.
When the Motor Drive worm screw drives the positive and negative rotation of worm gear, but when the angular displacement of this rotation is less than or equal to π, the through-drive of described connecting rod Via, the pivot that can articulate with the platform of described linear axis bearing and frame is that center of rotation swings, the while connecting rod is made axial linear reciprocation by linear axis again and is moved, this moment, the head of connecting rod formed straight reciprocating motion, made the gun rack that is fixed on this connecting rod top follow straight path and moved back and forth, and welding gun welds with this straight reciprocating motion.Because described reciprocating two-end-point extended to outside the both sides of framework platform, thereby avoid the welding initial sum to end at " dead angle " in stage, accomplished not have dead angle welding and do not need artificial repair welding automatically.
With the hinged connecting rod of bent axle as lever, to be impetus, to be that fulcrum rotates and axially movable compound motion with the linear bearing with the hinged pin joint of bent axle, make the head of connecting rod produce straight reciprocating motion, the path that the track of this straight reciprocating motion welds automatically as welding gun, can avoid welding initial sum and end at ' dead angle ' in stage, reach that no dead angle is welded automatically and the purpose that need not artificial repair welding.
The beneficial effects of the utility model are: realized that mechanical circumference transfers straight reciprocating motion to, the track of this straight reciprocating motion can reach the automatic welding purpose at no dead angle as the path that welding gun welds automatically.And simple in structure, stable performance, low to the performance requirement of motor, be specially adapted to portable welding equipment, can guarantee the linear reciprocating motion precision of welding gun.
Description of drawings
Fig. 1 is the overall structure axonometric projection schematic diagram of the utility model " portable no dead angle automatic welding device " preferred embodiment;
Fig. 2 is the schematic top plan view of described preferred embodiment orthographic projection;
Fig. 3 is the axonometric projection schematic diagram of described preferred embodiment decomposing state;
Fig. 4 is the axonometric projection schematic diagram of described preferred embodiment gun rack driving device structure decomposing state;
Fig. 5 is the motion principle sketch of described preferred embodiment gun rack drive unit.
Among each figure: 12 is slide block holder bakelite cover, 13 is the slide block holder, 14 is connecting rod, 141 are connecting rod protrusion axle, 16 is light sign indicating number induction coil, 18 is light sign indicating number plate, 19 is light sign indicating number plate holder, 20 is bearing, 21 is the worm screw holder, 22 is frame, 28 is bent axle, 281 is crank, 282 is bolt, 29 is bearing, 30 is the gun rack drive unit, 33 is bearing, 34 is worm screw, 35 is worm gear, 36 is motor, 37 is the motor compact heap, 38 is worm-wheel shaft, 45 is linear bearing, 451 is chute, 452 is guide rail, 453 is bolt, 47 is the linear axis bearing, 471 is pivot, 472 is bolt; 50 is gun rack, comprising: 501 prop up for silver-colored steel for regulating front apron, 505,506 press from both sides, 515 are welding gun tong handle for welding gun for welding gun clamping reservation, 514 for welding gun clamping reservation connecting plate, 513 for lateral adjustments slide unit, 512 for slide block, 511 for vertical adjustment slide unit, 507 for slide unit screw rod, 504 for regulating handle packing ring, 503 for regulating handle, 502.
The specific embodiment
The utility model is described in further detail below in conjunction with each accompanying drawing.
Referring to accompanying drawing 1 to 4, the utility model " portable no dead angle automatic welding device " preferred embodiment comprises frame 22, welding gun, gun rack 50 and gun rack drive unit 30, the welding gun that welding gun is loaded on the gun rack 50 presss from both sides in 514, gun rack 50 is loaded on the gun rack drive unit 30, and gun rack drive unit 30 is loaded on the frame 22.Especially, described gun rack drive unit 30 comprises motor 36, worm screw 34, worm gear 35, bent axle 28, connecting rod 14, linear bearing 45 and linear axis bearing 47, motor 36 is connected with worm screw 34, worm screw 34 and worm gear 35 engagements, the root of described bent axle 28 is fixed on the spoke of worm gear 35, its head is then hinged with the afterbody of connecting rod 14 by crank 281, gun rack 50 is installed on the connecting rod 14, gun rack 50 is fixed in the top of described connecting rod 14 by vertical slide unit 506, and linear bearing 45 is housed on the connecting rod 14, this linear bearing 45 is loaded on the linear axis bearing 47, and linear axis bearing 47 articulates with the platform of frame 22 again.
When driving worm screw 34, motor 36 drives worm gear 35 positive and negative rotations, but when the angular displacement of this rotation is less than or equal to π, described connecting rod 14 is through bent axle 28 transmissions, the pivot 471 that can articulate with the platform of described linear axis bearing 47 and frame 22 is that center of rotation swings, while connecting rod 14 is made axial linear reciprocation by linear bearing 45 again and is moved, this moment, the head of connecting rod 14 formed straight reciprocating motion, making the gun rack 50 that is fixed on these connecting rod 14 tops follow straight path moves back and forth, welding gun welds with this straight reciprocating motion, because described reciprocating two-end-point has extended to outside the both sides of frame 22 platforms, thereby avoided the welding initial sum to end at " dead angle " in stage, accomplished not have dead angle welding and do not need artificial repair welding automatically.
Described gun rack 50 comprises regulating handle 501, regulating handle packing ring 502, slide block screw rod 503, regulates front apron 504, silver-colored steel props up 505, vertical adjustment slide unit 506, slide block 507, lateral adjustments slide unit 511, welding gun clamping reservation connecting plate 512, welding gun clamping reservation 513, welding gun folder 514 and welding gun tong handle 515.
Described motor 36 is connected with worm screw 34, can be that motor output shaft is connected with the coaxial line of worm screw, can also be that motor output shaft is connected with worm screw by driving members such as belt wheels.
In preferred embodiment of the present utility model, bent axle 28 is linked to be a rigid member by bolt 282 and worm gear 35; It is the hinged of center of circle rotation that one end of connecting rod 14 and bent axle 28 connects into crank 281; Linear bearing 45 comprises chute 451 and guide rail 452, guide rail 452 is loaded on the connecting rod 14 by bolt 453, guide rail 452 is formed moving sets with chute 451 and is linked, be equivalent to connecting rod 14 and form the moving sets binding with chute 451, chute 451 is installed on the linear axis bearing 47 by bolt 472 simultaneously, be equivalent to connecting rod 14 and the 47 composition moving sets bindings of linear axis bearing, because linear axis bearing 47 articulates with frame 22, connecting rod 14 can be turned round with axial straight line with respect to frame move two kinds of motions again.
In embodiment of the present utility model, linear axis bearing 47 time can realize that with a welding light sign indicating number plate holder 19 of various modes welding is connected, the pivot 471 that light sign indicating number plate holder 19 is assembled into linear axis bearing 47 is the pivot joint that rotate in the center of circle, light sign indicating number plate holder 19 is fixed on the frame 22, is equivalent to linear axis bearing 47 and articulates with frame.
Referring to Fig. 5, combination, straight line AB that straight line OB is equivalent to worm gear 35 and bent axle 28 are equivalent to connecting rod 14, the motor end position of two-dot chain line A ' B ' expression connecting rod 14, the track of the straight reciprocating motion of dotted line AA ' expression connecting rod 14 end A, this trajectory promptly is the path that welding gun moves.
In embodiment of the present utility model, it is hinged to include connecting rod 14 spokes direct and transmission worm gear 35; Also including root by bent axle 28 is installed on connecting rod 14 and frame is articulated.
Claims (3)
1. portable no dead angle automatic welding device, comprise frame (22), welding gun, gun rack (50) and gun rack drive unit (30), the welding gun that welding gun is loaded on the gun rack (50) presss from both sides in (514), gun rack (50) is loaded on the gun rack drive unit (30), gun rack drive unit (30) is loaded on the frame (22), it is characterized in that:
Described gun rack drive unit (30) comprises motor (36), worm screw (34), worm gear (35), bent axle (28), connecting rod (14), linear bearing (45) and linear axis bearing (47), motor (36) is connected with worm screw (34), worm screw (34) and worm gear (35) engagement, the root of described bent axle (28) is fixed on the spoke of worm gear (35), its head is then hinged with the afterbody of connecting rod (14) by crank (281), connecting rod (14) is gone up gun rack (50) is installed, gun rack (50) is installed on the top of described connecting rod (14), and linear bearing (45) is housed on the connecting rod (14), this linear bearing (45) is loaded on the linear axis bearing (47), and linear axis bearing (47) articulates with the platform of frame (22) again; When driving worm screw (34), motor (36) drives the positive and negative rotation of worm gear (35), but when the angular displacement of this rotation is less than or equal to π, described connecting rod (14) is through bent axle (28) transmission, the pivot (471) that can articulate with the platform of described linear axis bearing (47) and frame (22) is that center of rotation swings, while connecting rod (14) is made axial linear reciprocation by linear bearing (45) again and is moved, the head of connecting rod this moment (14) forms straight reciprocating motion, making the gun rack (50) that is fixed on this connecting rod (14) top follow straight path moves back and forth, welding gun welds with this straight reciprocating motion, because described reciprocating two-end-point has extended to outside the both sides of frame (22) platform, thereby avoided the welding initial sum to end at " dead angle " in stage, accomplished not have dead angle welding and do not need artificial repair welding automatically.
2. according to the portable no dead angle automatic welding device of claim 1, it is characterized in that:
Described linear bearing (45) comprises chute (451) and guide rail (452), and guide rail (452) is fixed on the connecting rod (14), and chute (451) then is installed on the linear axis bearing (47).
3. according to the portable no dead angle automatic welding device of claim 1 or 2, it is characterized in that:
Described connecting rod (14) fuses by the guide rail (452) of bolt (453) with linear bearing (45); The chute (451) of linear bearing (45) is affixed by bolt (472) and linear axis bearing (47); Linear axis bearing (47) articulates with light sign indicating number plate holder (19), and light sign indicating number plate holder (19) is fixed on the platform of frame (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202060143U CN201529835U (en) | 2009-10-15 | 2009-10-15 | Portable no-dead-angle automatic welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202060143U CN201529835U (en) | 2009-10-15 | 2009-10-15 | Portable no-dead-angle automatic welding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201529835U true CN201529835U (en) | 2010-07-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202060143U Expired - Lifetime CN201529835U (en) | 2009-10-15 | 2009-10-15 | Portable no-dead-angle automatic welding equipment |
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| CN (1) | CN201529835U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091891A (en) * | 2010-12-20 | 2011-06-15 | 深圳市瑞凌实业股份有限公司 | Single-drive double pendulum double longitude unidirectional oscillating device and welding machine using oscillating device |
| CN103394793A (en) * | 2013-07-23 | 2013-11-20 | 昆山瑞凌焊接科技有限公司 | High-efficiency method and device for welding gun swing welding |
| CN105149743A (en) * | 2015-09-07 | 2015-12-16 | 昆山华恒焊接股份有限公司 | Welding tracking device for pipe fittings |
| CN106312393A (en) * | 2016-09-07 | 2017-01-11 | 深圳市瑞凌实业股份有限公司 | Welding control device |
| CN107214451A (en) * | 2017-06-23 | 2017-09-29 | 扬州力德工程技术有限公司 | A kind of mechanical guide formula automatic welding device |
| CN113118678A (en) * | 2021-04-26 | 2021-07-16 | 南京事达机械设备制造有限公司 | Welding strengthening treatment process and device for automobile steel protective fence |
| CN113829368A (en) * | 2021-10-12 | 2021-12-24 | 安徽立辰科技有限公司 | Welding robot and welding method |
-
2009
- 2009-10-15 CN CN2009202060143U patent/CN201529835U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102091891A (en) * | 2010-12-20 | 2011-06-15 | 深圳市瑞凌实业股份有限公司 | Single-drive double pendulum double longitude unidirectional oscillating device and welding machine using oscillating device |
| CN103394793A (en) * | 2013-07-23 | 2013-11-20 | 昆山瑞凌焊接科技有限公司 | High-efficiency method and device for welding gun swing welding |
| CN103394793B (en) * | 2013-07-23 | 2017-11-17 | 昆山瑞凌焊接科技有限公司 | A kind of efficient welding gun swinging device |
| CN105149743A (en) * | 2015-09-07 | 2015-12-16 | 昆山华恒焊接股份有限公司 | Welding tracking device for pipe fittings |
| CN106312393A (en) * | 2016-09-07 | 2017-01-11 | 深圳市瑞凌实业股份有限公司 | Welding control device |
| CN107214451A (en) * | 2017-06-23 | 2017-09-29 | 扬州力德工程技术有限公司 | A kind of mechanical guide formula automatic welding device |
| CN113118678A (en) * | 2021-04-26 | 2021-07-16 | 南京事达机械设备制造有限公司 | Welding strengthening treatment process and device for automobile steel protective fence |
| CN113829368A (en) * | 2021-10-12 | 2021-12-24 | 安徽立辰科技有限公司 | Welding robot and welding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100721 |