CN203266023U - Welding positioner mechanism - Google Patents

Welding positioner mechanism Download PDF

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Publication number
CN203266023U
CN203266023U CN 201320205117 CN201320205117U CN203266023U CN 203266023 U CN203266023 U CN 203266023U CN 201320205117 CN201320205117 CN 201320205117 CN 201320205117 U CN201320205117 U CN 201320205117U CN 203266023 U CN203266023 U CN 203266023U
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CN
China
Prior art keywords
positioner
flip piece
servomotor
revolving
turnover
Prior art date
Application number
CN 201320205117
Other languages
Chinese (zh)
Inventor
覃福江
林义忠
Original Assignee
广西大学
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Application filed by 广西大学 filed Critical 广西大学
Priority to CN 201320205117 priority Critical patent/CN203266023U/en
Application granted granted Critical
Publication of CN203266023U publication Critical patent/CN203266023U/en

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Abstract

The utility model discloses a welding positioner mechanism comprises a rack (10), motors (1 and 9) and a working table (3). The welding positioner mechanism is characterized in that a turnover mechanism and a slewing mechanism are arranged on the rack (10), the turnover mechanism comprises the turnover shaft servo motor (1) and a turnover part (13), a rotating part (17) capable of rotating is arranged in the middle of the turnover part (13), a bolt hole is formed in the rotating part (17), the two ends of the turnover part (13) are connected to the rack (10) in a rotatable mode, the end portion of the turnover part (13) is connected with the turnover shaft servo motor (1), and the slewing mechanism comprises the working table (3), a slewing supporting bearing (4) and the slewing shaft servo motor (9). The welding positioner mechanism has the advantages that only one-level transmission to two-level transmission is used, a transmission chain is short, the combined design of the servo motors and a planetary reducer is adopted, the precision is high, and the stability is high.

Description

Positioner mechanism

Technical field

The utility model relates to the mechanical welding connection mechanism, specifically, relates to a kind of positioner mechanism.

Background technology

Positioner is the special welding auxiliary equipment, is applicable to the welding displacement of the work of turning round, to obtain desirable Working position and speed of welding.Can support the use with manipulator, welding machine, form automatic welding center, the workpiece displacement when also can be used for handwork.Work table rotation adopts frequency converter stepless speed regulation, and adjusting speed accuracy is high.Remote-control box can be realized the operated from a distance to workbench, also can be connected with manipulator, bonding machine control system, realizes combined operation.Modern welding processing increases year by year to the requirement of precision, and traditional positioner can not satisfy modern processing to the demand of precision.What currently marketed modified gear adopted is more traditional gear pair driven Design, and too much transmission link has increased the error of transmission virtually.In addition, in the position fixing process of traditional positioner, the problems such as vibrations often occur, therefore also brought more mismachining tolerance.

By consulting available data, we retrieve the associated documents of some positioners, but all have certain shortcoming, for example:

1. Chinese patent, application number: CN2164938, the applying date: 19940518, summary: this utility model is for welding, built-up welding, cutting, spraying and surperficial heat treated NC automatic tracking welding positioner.Its support inner chamber is provided with the control operation platform that seesaws mechanism and have the numerical control automatic tracking circuit that affects workpiece dip angle adjusting mechanism, rotating mechanism and tailstock, the column that is connected with support is provided with the elevating movement transverse arm, which is provided with swing mechanism, powder feeding mechanism and drags their side-to-side movement mechanism; The wire rope hanging of connecting cross arm and counterweight body is on the pulley on column.Transmission mechanism is too much but this becomes machine, therefore, and easy-maintaining not after damage.

2. Chinese patent, application number: CN2250222, the applying date: 19970326, summary: the rotatable positioner of a kind of double back belongs to welding procedure equipment category.It is characterized in that: designed a kind of L-type rollover stand, consisted of by an empty stomach upright arm and an empty stomach horizontal arm.Little slewing gear is arranged in horizontal arm, can control the workbench that is fixed on horizontal arm rotates around making ± 360 ° of n perpendicular to the horizontal arm direction, large slewing gear can drive whole rollover stand and do ± 360 ° of n rotations around trunnion axis, thereby can make the welded part that is installed on workbench make all-directional rotation in the space, reach the purpose that makes every weld seam all can be in downhand welding or ship weldering state, but the kind of drive that adopts in this application still can't satisfy existing needs.This just needs a kind of gear stage few, and transmission is accurate, and the positioner mechanism one of failure rate is low addresses the above problem.

Summary of the invention

The purpose of this utility model is to provide a kind of positioner mechanism, to solve the problem that in existing positioner design, the location is low, driving error is too high.

Scheme of the present utility model is by such realization: construct a kind of positioner mechanism, comprise frame, motor and workbench, described frame is provided with switching mechanism and slew gear, described switching mechanism comprises trip shaft servomotor and flip piece, described flip piece middle part is provided with rotatable revolving part, in described revolving part with bolt hole; Described flip piece two ends are rotatably connected on frame, and described flip piece end is connected with the trip shaft servomotor; Described slew gear comprises workbench, pivoting support bearing and gyroaxis servomotor, described gyroaxis servomotor is connected with bolt hole in revolving part by bolt, and pivoting support bearing is fixedly connected with the revolving part top, and workbench is connected with pivoting support bearing.Operation principle of the present utility model is: by a flip piece is set, and rotatable bolt hole is set in flip piece, thereby makes modified gear can realize the upset of up and down and front and back, and the rotation rank is low, the rotating mechanism of employing is simple, and is easy to maintenance.It is high that more existing gear drive has accuracy, the advantage that stability is strong.

In the utility model, as further improvement, described trip shaft servomotor and gyroaxis servomotor are connected with respectively flip piece decelerator and gyroaxis decelerator.By to increasing decelerator on two servomotors, thereby make servomotor rotate to stop the time driving flip piece or bolt hole, can stop rapidly, avoid inertia to drive workpiece and continue rotation.

In the utility model, as further improvement, described flip piece decelerator lower position is provided with gripper shoe, and the effect of gripper shoe is to alleviate upset servomotor and flip piece decelerator to the moment of frame side, prevents the distortion of frame.

In the utility model, as further improvement, also be provided with direction limiting device on described frame, load onto that stopping means can guarantee in the situation that the soft spacing inefficacy of programme-control, hard spacing the playing a role of machinery, guarantee that workbench turns round within the working range of appointment, improved the reliability of mechanism.

In the utility model, as further improvement, described revolving part top also is provided with several flange shaft, described pivoting support bearing is connected with the flange shaft coupling by flange shaft sleeve, described flip piece top also is provided with brush, described brush contacts with pivoting support bearing, and brush can guarantee the smooth rotation of pivoting support bearing.

In the utility model, as further improvement, described flip piece top also is provided with the axle pad plate, makes between flip piece and pivoting support bearing directly not contact.

The utlity model has following beneficial effect:

1, the utility model has the advantages that and only used a transmission to two-stage, driving-chain is short, adopts the Combination Design of servomotor and planetary reduction gear, and precision is high, and stability is strong.

2, the utility model is simple in structure, and positioning accuracy has had greatly with respect to the gear drive positioner of transmission and improves, and is simple in structure, safeguards easy and conveniently, coordinates the control software commonly used or PLC system, can realize deflection function.

3, the utility model production cost is low, to make experimental prototype, is convenient to production firm and promotes the use at present.

Description of drawings

Fig. 1 is structural representation of the present utility model;

Fig. 2 is the structural representation that in the utility model, gyroaxis decelerator and gyroaxis decelerator flange shaft sleeve coordinate;

Fig. 3 is the part schematic diagram of flip piece in the utility model;

Fig. 4 is the top view of workbench 3 in the utility model;

Parts title and sequence number in figure:

Trip shaft servomotor 1, trip shaft decelerator 2, workbench 3, pivoting support bearing 4, axle pad plate 5, flange baffle plate 6, opposite direction limit switch 7, gyroaxis decelerator 8, gyroaxis servomotor 9, frame 10, positive direction limit switch 11, gripper shoe 12, flip piece 13, flange shaft sleeve 14, brush 15, flange shaft 16, revolving part 17.

The specific embodiment

Describe the utility model positioner mechanism below in conjunction with drawings and Examples, these descriptions are not that the utility model content is done further to limit.

Embodiment 1:

as shown in Fig. 1-2, the utility model comprises frame 10, be provided with switching mechanism and slew gear on frame 10, wherein, switching mechanism comprises trip shaft servomotor 1 and flip piece 13, flip piece 13 medium positions are provided with revolving part 17, in revolving part 17 with bolt hole, after angular contact bearing has been loaded onto at the two ends of flip piece 13, two ends are fixed on frame 10, wherein, flange baffle plate 6 is equipped with in flip piece 13 outsides, flange baffle plate 6 use bolts and frame 10 are connected and fixed, flip piece 13 other ends pass frame 10, flip piece 13, trip shaft decelerator 2 is connected with the trip shaft servomotor successively and is connected, trip shaft servomotor 1 output is connected with the bolt hole on the input end face of four hexagon socket head cap screws and trip shaft decelerator 2, the output form of trip shaft servomotor 1 is axle output, on this axle, keyway is arranged, connect by the keyway of flat key with the input of trip shaft decelerator 2, trip shaft decelerator 2 has bolt hole on the output section, use 4 hexagon socket head cap screws and frame 10 to be connected and fixed.The output form of trip shaft decelerator 2 is hole output, and the hole is provided with keyway, connects with flip piece 13 by flat key.

Pivoting support bearing 4 is connected by the key axle with gyroaxis servomotor 9, and the gyroaxis servomotor is provided with hex bolts, and this hex bolts is connected with bolt hole in revolving part 17; Revolving part 17 tops are fixed with several flange shaft 16, and flange shaft 16 all is fixedly connected with bolt hole; Pivoting support bearing 4 is provided with flange shaft sleeve 14, and be connected with flange shaft 16 by flange shaft sleeve 14, make pivoting support bearing 4 can be fixedly connected with revolving part 17, also be provided with brush 15 at revolving part 17 tops, brush 15 contacts with pivoting support bearing 4, the welded top of pivoting support bearing 4 has workbench 3

Trip shaft decelerator 2 lower positions are provided with gripper shoe 12, and gripper shoe 12 props up trip shaft decelerator 2 and frame 10.The inner bottom surface of frame 10 keep left section that, positive direction limit switch 11; Limit switch 7 in the other direction is housed in the right top side of frame 10 sides, load onto that stopping means can guarantee in the situation that the soft spacing inefficacy of programme-control, hard spacing the playing a role of machinery, guarantee that workbench turns round within the working range of appointment, improved the reliability of mechanism, the above-mentioned limit switch that is mentioned to can be existing stopping means commonly used.

During operation, start the rotation of trip shaft servomotor 1 and gyroaxis servomotor 9 by actuation means, trip shaft servomotor 1 drives the rotation of flip piece 13, and gyroaxis servomotor 9 drives the rotation of workbench 3.Welder can be installed by workbench 3 places, thereby realizes the function of deflection welding.The utility model can adopt existing control panel to weld control.

Embodiment 2:

Difference from Example 1 is, also is provided with axle pad plate 5 at flip piece 13 tip positions, makes between flip piece 13 and pivoting support bearing 4 directly not contact, and all the other operation principles are identical with embodiment 1.

At present, the utility model is produced out model machine as a trial, and tries out at Guangxi University's Mechanical Academy, and is respond well.

Claims (7)

1. positioner mechanism, comprise frame (10), motor (1,9) and workbench (3), it is characterized in that: described frame (10) is provided with switching mechanism and slew gear, described switching mechanism comprises trip shaft servomotor (1) and flip piece (13), and described flip piece (13) middle part is provided with rotatable revolving part (17), in described revolving part (17) with bolt hole; Described flip piece (13) two ends are rotatably connected on frame (10), and described flip piece (13) end is connected with the trip shaft servomotor; Described slew gear comprises workbench (3), pivoting support bearing (4) and gyroaxis servomotor (9), described gyroaxis servomotor (9) is connected with bolt hole in revolving part (17) by bolt, pivoting support bearing (4) is fixedly connected with revolving part (17) top, and workbench (3) is connected with pivoting support bearing (4).
2. positioner according to claim 1 mechanism, it is characterized in that: described trip shaft servomotor (1) and gyroaxis servomotor (9) are connected with respectively flip piece decelerator (2) and gyroaxis decelerator (8).
3. positioner according to claim 2 mechanism, it is characterized in that: described flip piece decelerator (2) lower position is provided with gripper shoe (12).
4. positioner according to claim 3 mechanism, is characterized in that: also be provided with direction limiting device (7,11) on described frame (10).
5. positioner according to claim 4 mechanism is characterized in that: described revolving part (17) top also is provided with several flange shaft (16), and described pivoting support bearing (4) mates with flange shaft (16) by flange shaft sleeve (14) and is connected.
6. positioner according to claim 5 mechanism is characterized in that: described revolving part (17) top also is provided with brush (15), and described brush (15) contacts with pivoting support bearing (4).
7. according to claim 4 or 5 described positioner mechanisms is characterized in that: described flip piece (13) top also is provided with axle pad plate (5).
CN 201320205117 2013-04-22 2013-04-22 Welding positioner mechanism CN203266023U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320205117 CN203266023U (en) 2013-04-22 2013-04-22 Welding positioner mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320205117 CN203266023U (en) 2013-04-22 2013-04-22 Welding positioner mechanism

Publications (1)

Publication Number Publication Date
CN203266023U true CN203266023U (en) 2013-11-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103624470A (en) * 2013-12-20 2014-03-12 济南时代试金试验机有限公司 Double-shaft positioner mechanical structure
CN103921054A (en) * 2014-04-22 2014-07-16 成都海凌达机械有限公司 Rotating pedestal for workpiece welding
CN104175054A (en) * 2014-08-22 2014-12-03 聊城华瑞电气有限公司 Special equipment for leg welding of angle bar tray and application of equipment
CN104690475A (en) * 2013-12-09 2015-06-10 广东富华重工制造有限公司 Single-point suspension welding device
CN105195959A (en) * 2015-10-21 2015-12-30 青岛石化检修安装工程有限责任公司 Rotatable welding positioner
CN105345351A (en) * 2015-11-25 2016-02-24 安徽科达埃尔压缩机有限公司 Tool for welding impeller of centrifugal blower
CN105562973A (en) * 2016-02-29 2016-05-11 华南理工大学 Eight-axis robot space curve welding system and method for recognizing welding line by means of lasers

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104690475A (en) * 2013-12-09 2015-06-10 广东富华重工制造有限公司 Single-point suspension welding device
CN103624470A (en) * 2013-12-20 2014-03-12 济南时代试金试验机有限公司 Double-shaft positioner mechanical structure
CN103921054A (en) * 2014-04-22 2014-07-16 成都海凌达机械有限公司 Rotating pedestal for workpiece welding
CN104175054A (en) * 2014-08-22 2014-12-03 聊城华瑞电气有限公司 Special equipment for leg welding of angle bar tray and application of equipment
CN104175054B (en) * 2014-08-22 2016-04-27 聊城华瑞电气有限公司 A kind of angle steel tower column foot welding dedicated device and application thereof
CN105195959A (en) * 2015-10-21 2015-12-30 青岛石化检修安装工程有限责任公司 Rotatable welding positioner
CN105345351A (en) * 2015-11-25 2016-02-24 安徽科达埃尔压缩机有限公司 Tool for welding impeller of centrifugal blower
CN105562973A (en) * 2016-02-29 2016-05-11 华南理工大学 Eight-axis robot space curve welding system and method for recognizing welding line by means of lasers
CN105562973B (en) * 2016-02-29 2017-08-25 华南理工大学 A kind of laser identification axle robot space curve welding system of weld seam 8 and method

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131106

Termination date: 20140422