CN209335037U - A kind of draught fan impeller general welding fixture - Google Patents
A kind of draught fan impeller general welding fixture Download PDFInfo
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- CN209335037U CN209335037U CN201822214807.1U CN201822214807U CN209335037U CN 209335037 U CN209335037 U CN 209335037U CN 201822214807 U CN201822214807 U CN 201822214807U CN 209335037 U CN209335037 U CN 209335037U
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Abstract
The utility model provides a kind of draught fan impeller general welding fixture, including turnover mechanism, traction device and is set on turnover mechanism for placing the rotating mechanism of impeller to be welded；Impeller to be welded is driven to carry out rotating freely the welding for realizing draught fan impeller by the interoperation of the turnover mechanism and rotating mechanism；Rotating mechanism includes swivel base and positioning device, and the positioning device includes locating shaft and positioning chuck；Described traction device one end is set on the turnover mechanism, and one end connects the positioning chuck, realizes installation and removal of the positioning chuck on locating shaft by traction device.It drives impeller to be welded to rotate freely by the cooperation of turnover mechanism and rotating mechanism and realizes impeller comprehensive welding, the tooling of the utility model can guarantee the concentricity welded between wheel disc, core wheel and rear trochal disc before impeller simultaneously, and it is versatile to can satisfy various sizes of impeller welding demand by replacement positioning shaft sleeve and adjusting positioning chuck.
Description
Technical field
The utility model relates to rail vehicle cooling blower manufacturing technology fields, and in particular to a kind of draught fan impeller General welding
Connect tooling.
Background technique
The performance quality of locomotive cooling fan directly influences the passenger experience of train especially driver's cabin, even
Influence traffic safety.And impeller is one of most important component inside ventilation blower, generally by core wheel 9.1, blade 9.2, rear-wheel
Disk 9.3 and preceding wheel disc 9.4 are constituted, and are detailed in Fig. 1；Since impeller is in high speed rotary motion operating condition, each accessory of impeller it is same
Axis degree and welding quality seem extremely important, will have a direct impact on blower effect and more even influence traffic safety.
Since manually there are errors for installation in the past, the consistency of impeller is caused always to rest on a stage, it can not
It continues to lift up；Simultaneously because the high request of impeller causes the operating efficiency of employee extremely low, manual working carries out installation assembly and complete
Position reverse welding significantly increases the labor intensity of operator again, seriously affects working efficiency.How to guarantee each
Assembling consistency, dimensional accuracy and the raising operator of impeller implement welding efficiency and distortion preventing measure, are always impeller
The key point and difficult point of welding；The tooling for assisting impeller welding how is set to accomplish generalization to the greatest extent and reduce design simultaneously
And manufacturing cost, the key point that the market competitiveness is also enterprise development is improved to greatest extent.
In conclusion being badly in need of a kind of draught fan impeller general welding fixture to solve problems of the prior art.
Utility model content
The utility model aim is to provide a kind of draught fan impeller general welding fixture, and specific technical solution is as follows:
A kind of draught fan impeller general welding fixture, including turnover mechanism, traction device and being set on turnover mechanism are used
In the rotating mechanism for placing impeller to be welded；Impeller to be welded is driven by the interoperation of the turnover mechanism and rotating mechanism
It carries out rotating freely the welding for realizing draught fan impeller；
The rotating mechanism includes swivel base and positioning device, and the positioning device includes locating shaft and positioning chuck；
The swivel base rotary type is set on the turnover mechanism, and the locating shaft is vertically installed on the swivel base,
The positioning chuck is movably set on the locating shaft；The swivel base, locating shaft and positioning chuck are together relative to institute
State turnover mechanism rotation；
The positioning chuck includes clamp jaw group, stretching pawl group, chuck body and presser feet group, in the stretching pawl group
Clamp jaw in stretching pawl and clamp jaw group is all set in the chuck body, is positioned by the flexible realization of the clamp jaw
Release between chuck and locating shaft and it is close to fix, passes through the flexible preceding wheel disc for realizing the impeller to be welded of the stretching pawl
Positioning and release；Presser feet in the presser feet group, which is arranged in, cooperates the stretching pawl in stretching pawl group to preceding wheel disc in chuck body
It is positioned；
Described traction device one end is set on the turnover mechanism, and one end connects the positioning chuck, is filled by traction
Set the installation and removal for realizing positioning chuck on locating shaft.
It is preferred in above technical scheme, it further include power device, the rotating mechanism, turnover mechanism and traction device
It is respectively provided with power device, realizes that rotating mechanism, turnover mechanism and traction device move by power device.
Preferred in above technical scheme, the rotating mechanism further includes sliding gripping block, and the sliding gripping block includes
The spacing of sliding shoe and gripping block and the two is adjustable, and the swivel base is equipped at least one set and symmetrically sets about locating shaft axle center
The sliding slot set, the sliding slot, which matches to be arranged with the sliding shoe, realizes that the sliding shoe slides in sliding slot, passes through to adjust and slide
It is fixed on the chute that the distance between motion block and gripping block will slide gripping block, to realize to different sizes impeller to be welded
Rear trochal disc carries out positioning clamping.
It is preferred in above technical scheme, the positioning device further include the positioning shaft sleeve being sequentially sleeved on locating shaft,
Compress axle sleeve and fastener；The positioning shaft sleeve internal diameter and locating shaft outer diameter match setting, the positioning shaft sleeve outer diameter and
The internal diameter of the impeller core wheel to be welded matches setting, is realized by the cooperation of the positioning shaft sleeve and locating shaft and determines core wheel
On swivel base, the compression axis is set on wheel wicking surface and is clamped core wheel by fastener realization for position；
The positioning chuck is set on the locating shaft, is realized by adjusting stretching pawl group to various sizes of to be welded
The preceding wheel disc of impeller carries out positioning clamping.
Preferred in above technical scheme, turnover mechanism includes horizontally disposed turnover board and support body frame, the branch
Supportting body frame includes the first support leg, crossbeam and the second support leg, first support leg and the second support leg be oppositely arranged and
It is connected by crossbeam, the turnover board is movably set in the first support leg and the second support leg by bearing；The overturning
One end of bottom plate connects the power device and realizes that the turnover board is freely overturn, and the rotating mechanism is set to the overturning
On bottom plate, to realize that the rotating mechanism follows the turnover board freely to overturn together；
Locking pin is arranged in one end of the not set power device of turnover board.
Preferred in above technical scheme, the locating shaft is through the turnover board and swivel base setting and described fixed
To be fixedly connected between position axis and swivel base, spring bearing and spring bearing are set between the turnover board and swivel base
It is set on locating shaft and realizes that rotating mechanism is rotated freely with respect to turnover board；The turnover board is far from the swivel base
Face is equipped with power device, and the power device connects the locating shaft and realizes that rotating mechanism is freely revolved relative to turnover board
Turn.
It is preferred in above technical scheme, the traction device include traction mounting rack, traction mechanism, towing bracket and
Power device, the traction mounting rack are set on the support body frame for installing power device, the towing bracket setting
In, for installing traction mechanism, the power device is set on the traction mounting rack for driving institute on the support body frame
State traction mechanism movement.
It is preferred in above technical scheme, the traction mechanism include steel cable line wheel, rolling bearing, traction support column and
Steel cable；The rolling bearing is set on the towing bracket, and the traction support column is set on the rolling bearing, is passed through
Rolling bearing realize traction support column rotated freely relative to the towing bracket, the steel cable through the traction support column,
Rolling bearing and towing bracket and steel cable can freely be transported relative to the traction support column, rolling bearing and towing bracket
Dynamic, the steel cable both ends are separately connected the steel cable line wheel and positioning chuck, the steel cable line wheel connecting power device and by moving
The driving of power device is moved, to realize folding and unfolding steel cable, is rotated freely realization by folding and unfolding steel cable and traction support column and will be determined
Position chuck is installed on locating shaft, or positioning chuck is removed from locating shaft.
Preferred in above technical scheme, one end of the steel cable connection positioning chuck is equipped with suspension hook, the positioning chuck
It is equipped with hanging ring, lifting positioning chuck is realized by the cooperation of suspension hook and hanging ring.
Preferred in above technical scheme, the power device includes motor, motor mounting plate and speed reducer, the electricity
It is connected between machine and speed reducer by motor mounting plate, the output shaft of the motor is inserted into the input terminal of the speed reducer, described
Rotating mechanism, turnover mechanism and traction device connect realization with the output end of speed reducer and drive movement by power device.
Using the technical solution of the utility model, have the advantages that
(1) welding tooling of the utility model includes turnover mechanism and rotating mechanism, and the rotating mechanism is set to described
On turnover mechanism, impeller to be welded is driven to rotate freely by the interoperation of the turnover mechanism and rotating mechanism, realization pair
Impeller carries out comprehensive welding, significantly facilitates operator and welds to impeller, improves the convenience and efficiency of welding, effectively
The skill requirement reduced to welding operator, reduce the labor intensity of worker, the weldquality of impeller be effectively ensured；It utilizes
The welding tooling of the utility model may be implemented disposably to complete impeller welding, it is therefore prevented that unskilled labor dress needs in the welding process
Remove the occurrence of tooling leads to welding deformation.
(2) welding tooling of the utility model includes traction device, and the traction device utilizes the tractive force of motor, is passed through
Traction steel rope of cable can freely lift positioning chuck, realize that positioning chuck is removed welding by Plane Rotation by rolling bearing
Working region with quick despatch product and can repeat to assemble, basic to realize zero manpower operation.
(3) welding tooling of the utility model includes positioning chuck, and the positioning chuck includes stretching pawl group and clamp jaw
Group may be implemented automatic concentric and positioning, can be adapted for the preceding wheel disc leaf of different-diameter using the free extension of stretching pawl group
Wheel positioning；The automatic same heart function for utilizing positioning chuck simultaneously, may be implemented preceding wheel disc and core wheel, rear trochal disc is concentric, and then keep away
Exempt from artificial installation error, greatly ensure that the concentricity of impeller, improve the dimensional accuracy of impeller, ensure that the consistent of impeller
Property.
(4) welding tooling of the utility model includes positioning shaft sleeve, the positioning shaft sleeve internal diameter and locating shaft outer diameter phase
Match, outer diameter matches with impeller core wheel internal diameter, and positioning shaft sleeve is put into realization in the internal diameter of core wheel and is positioned to core wheel, is passed through
The positioning shaft sleeve of replacement various outer diameter size may be implemented different core wheels and carry out location and installation, significantly increase the utility model
The versatility of welding tooling.
(5) welding tooling of the utility model is by the way that positioning shaft sleeve and positioning chuck to be arranged on locating shaft and can guarantee
The concentricity of preceding wheel disc, rear trochal disc and core wheel, effective solution current impeller welding concentricity high problem, passes through simultaneously
Replacement positioning shaft sleeve and adjusting positioning chuck meet the impeller welding demand of different dimensions, increase the versatility of tooling.
(6) welding of the utility model includes sliding gripping block, sliding gripping block include sliding shoe and gripping block and
Distance between the two is adjustable, realizes that sliding gripping block is moved and is clamped on any position of sliding slot in sliding slot, realizes
Sliding gripping block is adjusted according to the specification of impeller to be welded, meets the matching requirements of different dimensions, after increasing positioning impeller
The versatility of wheel disc.
(7) locking pin is arranged in the turnover board end of the utility model, can prevent from occurring between turnover board and bearing
Along the movement of bearing axial direction, the stability of tooling in use is ensured, has prevented because occurring between turnover board and bearing
Relative motion and the problem for causing impeller welding inaccurate.
Other than objects, features and advantages described above, there are also other purposes, feature and excellent for the utility model
Point.Below with reference to figure, the utility model is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituteed improper limits to the present invention for explaining the utility model.In attached drawing
In:
Fig. 1 is the overall structure diagram of draught fan impeller；
Fig. 2 is the utility model draught fan impeller welding tooling overall structure diagram；
Fig. 3 is positioning chuck structural schematic diagram in Fig. 2；
Fig. 4 is rotating mechanism (removal positioning chuck) explosive view；
Fig. 5 is rotating mechanism structural schematic diagram；
Fig. 6 is rotating mechanism cross-sectional view；
Fig. 7 is turnover mechanism (removal power device) schematic diagram；
Fig. 8 is the connection schematic diagram between turnover board, the second support leg and bearing in Fig. 7；
Wherein, 1, swivel base, 2, power device, 2.1, motor, 2.10, motor mounting plate, 2.2, speed reducer, 3, overturning
Mechanism, 3.1, turnover board, 3.2, bearing, the 3.3, first support leg, 3.4, crossbeam, the 3.5, second support leg, 3.6, bearing it is tight
Gu folder, 3.7, locking pin, 4, traction mounting rack, 5, traction mechanism, 5.1, steel cable line wheel, 5.2, rolling bearing, 5.3, reinforcing rib,
5.4, traction support column, 5.5, steel cable, 6, towing bracket, 7, positioning chuck, 7.1, clamp jaw group, 7.2, stretching pawl group, 7.3,
Chuck body, 7.4, presser feet, 7.5, hanging ring, 7.6, suspension hook, 8, locating shaft, 8.1, positioning shaft sleeve, 8.2, compress axle sleeve, 8.3, tight
Firmware, 9, impeller, 9.1, core wheel, 9.2, blade, 9.3, rear trochal disc, 9.4, preceding wheel disc, 10, sliding gripping block, 10.1, sliding
Block, 10.2, gripping block, 11, speed reducer mounting plate, 12, spring bearing.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing, but the utility model can be according to power
Benefit requires to limit and the multitude of different ways of covering is implemented.
Embodiment 1:
Referring to Fig. 1-8, a kind of draught fan impeller general welding fixture, including turnover mechanism, traction device and being set to are turned over
For placing the rotating mechanism of impeller to be welded on rotation mechanism；It is driven by the interoperation of the turnover mechanism and rotating mechanism
Impeller to be welded carries out rotating freely the welding for realizing draught fan impeller, specifically realizes that impeller to be welded is carried out in vertical and horizontal
It rotates freely, the rotating mechanism realizes that impeller to be welded is rotated freely around longitudinal, and the turnover mechanism is realized with whirler
Structure and impeller to be welded are horizontally freely overturn, referring to fig. 2；The impeller to be welded is by core wheel 9.1, blade 9.2, rear trochal disc
9.3 and preceding wheel disc 9.4 constitute, be detailed in Fig. 1.
The rotating mechanism includes swivel base 1 and positioning device, and the positioning device includes locating shaft 8 and positioning chuck
7；The swivel base rotary type is set on the turnover mechanism, and the locating shaft is vertically installed in the swivel base
On, the positioning chuck is movably set on the locating shaft；The locating shaft, positioning chuck and swivel base together relative to
The turnover mechanism rotation；
The positioning chuck 7 includes clamp jaw group 7.1, stretching pawl group 7.2, chuck body 7.3 and presser feet group 7.4, institute
The clamp jaw stated in stretching pawl and clamp jaw group 7.1 in stretching pawl group 7.2 is all set in the chuck body, by described
Release between the flexible realization positioning chuck and locating shaft of clamp jaw and it is close to fix, passes through that the stretching pawl is flexible to realize institute
State the positioning and release of the preceding wheel disc of impeller to be welded；Presser feet in the presser feet group, which is arranged in chuck body, cooperates stretching pawl
Stretching pawl in group positions preceding wheel disc；Referring to Fig. 3, the stretching pawl group and presser feet group are set to the chuck body
Lower end, the clamp jaw group are set to the upper end of the chuck body, and stretching pawl group and clamp jaw group individually can shrink and stretch
Out.
The stretching pawl and clamp jaw are all provided with that there are three (three stretching pawls and clamp jaw are uniformly arranged in chuck body
On), the chuck sliding slot for installing stretching pawl and clamp jaw, the stretching pawl and clamp jaw are correspondingly provided in the chuck body
It can be moved in corresponding chuck sliding slot；Positioning chuck is driven using air pressure in the present embodiment, the stretching pawl group and folder
Tight pawl group is correspondingly arranged one group of airflow inlet and air stream outlet respectively, realizes that stretching pawl group and clamp jaw group work independently.It is described
The working principle of positioning chuck please refers to existing pneumatic pawl disk, is not describing herein.
It is uniformly arranged in presser feet group described in the present embodiment three presser feets (presser feet and the setting of stretching pawl interval), it is described
Presser feet is used to carry out auxiliary positioning before the preceding wheel disc for clamping impeller to be welded, promotes the positioning accurate of the preceding wheel disc of impeller to be welded
Degree, reduces the difficulty of worker positions.
Described traction device one end is set on the turnover mechanism, and one end connects the positioning chuck, is filled by traction
Set the installation and removal for realizing positioning chuck on locating shaft.
The draught fan impeller general welding fixture further includes power device 2, the rotating mechanism, turnover mechanism and traction
Device is respectively provided with power device, realizes that rotating mechanism, turnover mechanism and traction device move by power device.
The rotating mechanism further includes sliding gripping block 10, and the sliding gripping block includes sliding shoe 10.1 and gripping block
10.2 and the two spacing it is adjustable, pass through screw between the sliding shoe and gripping block and realize detachable setting, the rotation bottom
Disk 1 is equipped at least one set about the symmetrically arranged sliding slot in 8 axle center of locating shaft, and the sliding slot matches with the sliding shoe to be set
It sets and realizes that the sliding shoe slides in sliding slot, fixed by adjusting the distance between sliding shoe and gripping block by gripping block is slided
On the chute, positioning clamping is carried out to the rear trochal disc of different sizes impeller to be welded to realize, is detailed in Fig. 4.
Preferably, every group of sliding slot includes twice sliding slot, and the sliding slot is inverted T-shaped structure, and sliding slot is equipped with ten in the present embodiment
Two, it is connected by screw between the gripping block and sliding shoe, the sliding shoe is set in sliding slot and sliding shoe is equipped with
The threaded hole to match with screw, the gripping block are set on sliding slot, the screw through the gripping block be arranged simultaneously with
Threaded hole connection in sliding shoe；Therefore, turning screw can be thus achieved the distance between the adjusting gripping block and sliding shoe,
When screw makes between sliding shoe, gripping block and sliding slot in tight condition, the sliding shoe and gripping block cannot be opposite
It is slided in the sliding slot, to realize the purpose for compressing rear trochal disc.
The positioning device further includes the positioning shaft sleeve 8.1 being sequentially sleeved on locating shaft, compresses axle sleeve 8.2 and fastening
Part 8.3；The positioning shaft sleeve internal diameter and locating shaft outer diameter match setting, the positioning shaft sleeve outer diameter and the leaf to be welded
The internal diameter of wheel core wheel matches setting, and core wheel is located in swivel base by the cooperation realization of the positioning shaft sleeve and locating shaft
On 1, the compression axis is set on wheel wicking surface and is clamped core wheel by fastener realization；Preferably, the fastener
For nut and gasket, the locating shaft is equipped with the external screw thread to match with nut and realizes that appended claims compress axle sleeve to core wheel
It is compressed, various sizes of core wheel is positioned (due to different core wheels by replacing various sizes of positioning shaft sleeve realization
Internal diameter it is different, therefore positioning shaft sleeve needs replaced according to the internal diameter of core wheel, positioning shaft sleeve is put into the internal diameter of core wheel
In, then carrying out fastening with compression axle sleeve and fastener can be thus achieved to core wheel progress positioning and clamping), it is detailed in Fig. 4.
The positioning chuck is set on the locating shaft, is realized by adjusting stretching pawl group to various sizes of to be welded
The preceding wheel disc of impeller carries out positioning clamping.
Turnover mechanism includes horizontally disposed turnover board 3.1 and support body frame, and the support body frame includes the first support
Foot 3.3, crossbeam 3.4 and the second support leg 3.5, first support leg and the second support leg are oppositely arranged and are connected by crossbeam
It connects, the both ends of the turnover board are movably set in the first support leg and the second support leg by bearing 3.2；The overturning bottom
One end of plate connects the power device and realizes the turnover board in laterally free overturning, and the rotating mechanism is set to described
On turnover board, to realize that the rotating mechanism follows the turnover board together in laterally free overturning；
Locking pin 3.7 is arranged in one end of the not set power device of turnover board.
In the present embodiment, the power device is set in the first support leg, and the bearing is embedded in the first support leg, institute
Turnover board is stated to connect after the bearing with power device；Second support leg is equipped with the semicircle for installing bearing
Bearing is mounted in the second support leg by shape hole, the realization of fitted bearing anchorage clip 3.6, and turnover board is mounted on the second support leg
Locking pin is arranged in one end, is detailed in Fig. 7 and Fig. 8
The locating shaft is through the turnover board 3.1 and the setting of swivel base 1 and the locating shaft 8 and swivel base 1
Between to be fixedly connected with (preferred, between the locating shaft and swivel base using be welded and fixed), the turnover board and rotation
Turn that spring bearing 12 is arranged between chassis and spring bearing is set on locating shaft and realizes rotating mechanism with respect to turnover board freedom
Rotation；The turnover board 3.1 is equipped with power device far from the face of the swivel base 1, described in power device connection
Locating shaft realizes that rotating mechanism is rotated freely relative to turnover board, referring to Fig. 6, the turnover board and rotating bottom board and support
The shrinkage pool for installing spring bearing is additionally provided on the face of bearing touch.
The traction device includes traction mounting rack 4, traction mechanism 5, towing bracket 6 and power device, the traction
Mounting rack 4 is set on the support body frame for installing power device, and the towing bracket 6 is set on the support body frame
For installing traction mechanism, the power device is set on the traction mounting rack for driving the traction mechanism to move；
When moving in order to avoid the component in traction device and there is interference phenomenon in remaining part, it should will traction mounting rack and traction branch
The same side of support body frame is arranged in frame, it is preferred that traction mounting rack and towing bracket described in the present embodiment are all set in the
In two support legs.
Referring to Fig. 1, the traction mechanism 5 includes steel cable line wheel 5.1, rolling bearing 5.2, reinforcing rib 5.3, traction support column
5.4 and steel cable 5.5；The rolling bearing is set on the towing bracket 6, and the traction support column 5.4 is set to described
On rolling bearing, realize that traction support column is rotated freely relative to the towing bracket by rolling bearing, the steel cable 5.5
Through the traction support column, rolling bearing and towing bracket 6 and steel cable can be relative to the traction support column, rotation axis
It holds and 6 free movement of towing bracket, the steel cable both ends is separately connected the steel cable line wheel 5.1 and positioning chuck, the steel
It rope yarn wheel connecting power device and is moved by power device driving, to realize folding and unfolding steel cable, by folding and unfolding steel cable and is led
Draw support column and rotate freely realization and positioning chuck is installed on locating shaft, or positioning chuck is removed from locating shaft.
In order to prevent traction support column occurs deforming during lift by crane positioning chuck, the situation of shakiness, on the traction support column
Equipped with reinforcing rib 5.3, it is detailed in Fig. 2.
One end of the steel cable connection positioning chuck is equipped with suspension hook 7.6, one end of the positioning chuck setting clamp jaw group
Equipped with hanging ring 7.5, lifting positioning chuck is realized by the cooperation of suspension hook and hanging ring.
The power device 2 includes motor 2.1, motor mounting plate 2.10 and speed reducer 2.2, the motor and speed reducer
Between connected by motor mounting plate, the output shaft of the motor is inserted into the input terminal of the speed reducer, and the rotating mechanism turns over
Rotation mechanism and traction device connect realization with the output end of speed reducer and drive movement by power device.
In the rotating mechanism, speed reducer is set on turnover board 3.1 by speed reducer mounting plate 11, the locating shaft
The output end of insertion speed reducer realizes that driving rotating mechanism rotates freely, and is detailed in Fig. 5 and Fig. 6；
In the turnover mechanism, speed reducer is mounted in the first support leg, one end insertion speed reducer of turnover board 3.1
Output end realizes that driving turnover mechanism is freely overturn, and is detailed in Fig. 2；
In the traction device, on the traction mounting rack of speed reducer installation, the output end of steel cable line wheel and speed reducer is connected
It realizes driving traction device movement, is detailed in Fig. 2.
Preferably, the motor in the present embodiment, speed reducer are purchase product, can be chosen according to demand, about motor
The control mode of movement please refers to the prior art, is not describing herein.
Using the technical solution of the present embodiment, specifically:
First step: the rear trochal disc 9.3 of impeller is passed through into locating shaft and is placed on swivel base, then 9.1 sets of core wheel is existed
On locating shaft, while it being inserted in positioning shaft sleeve again, the outer diameter of the internal diameter and core wheel that adjust rear trochal disc makes the concentric (rear-wheel of the two
The design size of the outer diameter of the internal diameter and core wheel of disk matches), core wheel is compressed using axle sleeve and fastener is compressed, will be slided
Dynamic gripping block is adjusted to suitable position, and adjusting the distance between sliding shoe and gripping block makes to slide gripping block rear-wheel chuck clamping；
Second step: blade is spoted weld on rear trochal disc according to drawing requirement；
Third step: preceding wheel disc is passed through into locating shaft and is placed on above blade, while the traction of manual toggle traction device
Support column makes positioning chuck be directed at locating shaft；Start the motor in traction device, positioning chuck is slowly declined, is directly sleeved on
On locating shaft, and it is pressed in presser feet in front-wheel dish opening；
Four steps: ventilating to the stretching pawl group of positioning chuck, keep stretching pawl group protruding, until before stretching in wheel disc
Diameter；
5th step: ventilating to the clamp jaw group of positioning chuck, shrink clamp jaw group, until clamping locating shaft；Then
Drop hanger is taken down, traction device is rotated and removes welding region；
6th step: it rotates freely using rotating mechanism and turnover mechanism mutual cooperation and realizes impeller comprehensive welding；
7th step: after waiting impeller weldings to complete cooling, traction device rotation is reentered welding region, pre-hung
Upper lifting hug, but do not promoted；It ventilates again to stretching pawl group, shrinks stretching pawl group, until wheel disc internal diameter before being detached from；Then to folder
Tight pawl group ventilation, keeps clamp jaw group protruding, until being totally released locating shaft；Finally start traction device motor, lifting is fixed
Position chuck leaves working region；
8th step: it unclamps sliding gripping block symmetrically, one by one using pneumatic impact spanner, and is moved a certain distance directly along sliding slot
To rear trochal disc is detached from, impeller is removed, next process is transferred to.
Using the technical solution of the utility model, effect is:
The draught fan impeller general welding fixture of the utility model realizes semi-automatic operation by motor, reduces personnel's
Labor intensity；The concentricity for greatly improving impeller using wheel disc before the same heart function clamping of positioning chuck simultaneously, solves leaf
Take turns the high problem of working axiality；In conjunction with turnover mechanism and rotating mechanism, full angle rotation is realized, realizes the full side to impeller
Position welding, greatly reduces the operation difficulty of welder, improves weld job efficiency.
Meanwhile when if desired welding the impeller of other sizes, as long as corresponding replacement impeller core wheel positioning shaft sleeve, other
Part all not redesign and make, and greatly shorten the production cycle, greatly reduce manufacturing cost and tooling manufacture
Cost.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of draught fan impeller general welding fixture, which is characterized in that including turnover mechanism, traction device and be set to overturning
For placing the rotating mechanism of impeller to be welded in mechanism；By the interoperation of the turnover mechanism and rotating mechanism drive to
Welding impeller carries out rotating freely the welding for realizing draught fan impeller；
The rotating mechanism includes swivel base (1) and positioning device, and the positioning device includes locating shaft (8) and positioning chuck
(7)；The swivel base rotary type is set on the turnover mechanism, and the locating shaft is vertically installed in the swivel base
On, the positioning chuck is movably set on the locating shaft；The swivel base, locating shaft and positioning chuck together relative to
The turnover mechanism rotation；
The positioning chuck (7) includes clamp jaw group (7.1), stretching pawl group (7.2), chuck body (7.3) and presser feet group
(7.4), the clamp jaw in the stretching pawl and clamp jaw group (7.1) in the stretching pawl group (7.2) is all set in the chuck sheet
On body, by the release between the flexible realization positioning chuck and locating shaft of the clamp jaw and it is close to fix, passes through the support
The positioning and release of the tight flexible preceding wheel disc for realizing the impeller to be welded of pawl；Presser feet in the presser feet group is arranged in chuck sheet
The stretching pawl in stretching pawl group is cooperated to position preceding wheel disc on body；
Described traction device one end is set on the turnover mechanism, and one end connects the positioning chuck, passes through traction device reality
Existing installation and removal of the positioning chuck on locating shaft.
2. draught fan impeller general welding fixture according to claim 1, which is characterized in that further include power device (2), institute
It states rotating mechanism, turnover mechanism and traction device and is respectively provided with power device, rotating mechanism, tipper are realized by power device
Structure and traction device movement.
3. draught fan impeller general welding fixture according to claim 2, which is characterized in that the rotating mechanism further includes sliding
Dynamic gripping block (10), the sliding gripping block include that the spacing of sliding shoe (10.1) and gripping block (10.2) and the two is adjustable, institute
It states swivel base (1) and is equipped at least one set about the symmetrically arranged sliding slot in locating shaft (8) axle center, the sliding slot and the sliding
Block, which matches to be arranged, realizes that the sliding shoe slides in sliding slot, will be slided by adjusting the distance between sliding shoe and gripping block
Gripping block is fixed on the chute, carries out positioning clamping to the rear trochal disc of different sizes impeller to be welded to realize.
4. draught fan impeller general welding fixture according to claim 3, which is characterized in that the positioning device further include according to
The secondary positioning shaft sleeve (8.1) being set on locating shaft compresses axle sleeve (8.2) and fastener (8.3)；The positioning shaft sleeve internal diameter
Matching setting with locating shaft outer diameter, the internal diameter of the positioning shaft sleeve outer diameter and the impeller core wheel to be welded matches setting,
It is realized by the cooperation of the positioning shaft sleeve and locating shaft and core wheel is located on swivel base (1), the compression axis set setting
It is realized in wheel wicking surface by fastener and is clamped core wheel；
The positioning chuck is set on the locating shaft, is realized by adjusting stretching pawl group to various sizes of impeller to be welded
Preceding wheel disc carry out positioning clamping.
5. draught fan impeller general welding fixture according to claim 4, which is characterized in that turnover mechanism includes horizontally disposed
Turnover board (3.1) and support body frame, the support body frame includes the first support leg (3.3), crossbeam (3.4) and second
Support foot (3.5), first support leg are oppositely arranged with the second support leg and are connected by crossbeam, and the turnover board passes through axis
(3.2) are held to be movably set in the first support leg and the second support leg；One end of the turnover board connects the power device
Realize that the turnover board is freely overturn, the rotating mechanism is set on the turnover board, to realize the whirler
Structure follows the turnover board freely to overturn together；
Locking pin (3.7) are arranged in one end of the not set power device of turnover board.
6. draught fan impeller general welding fixture according to claim 5, which is characterized in that the locating shaft is turned over through described
Turn bottom plate and swivel base setting and between the locating shaft and swivel base to be fixedly connected, the turnover board and rotation bottom
Spring bearing (12) are set between disk and spring bearing is set on locating shaft and realizes that rotating mechanism is freely revolved with respect to turnover board
Turn；The turnover board (3.1) is equipped with power device far from the face of the swivel base (1), and the power device connects institute
It states locating shaft and realizes that rotating mechanism is rotated freely relative to turnover board.
7. draught fan impeller general welding fixture according to claim 6, which is characterized in that the traction device includes traction
Mounting rack (4), traction mechanism (5), towing bracket (6) and power device, the traction mounting rack (4) are set to the support
For installing power device on body frame, the towing bracket (6) is set on the support body frame for installing traction mechanism, institute
Power device is stated to be set on the traction mounting rack for driving the traction mechanism to move.
8. draught fan impeller general welding fixture according to claim 7, which is characterized in that the traction mechanism includes steel cable
Line wheel (5.1), rolling bearing (5.2), traction support column (5.4) and steel cable (5.5)；The rolling bearing is set to described lead
Draw on bracket (6), the traction support column (5.4) is set on the rolling bearing, realizes traction support by rolling bearing
Column is rotated freely relative to the towing bracket, and the steel cable (5.5) runs through the traction support column, rolling bearing and traction
Bracket (6) and steel cable can be relative to the traction support column, rolling bearing and towing bracket (6) free movement, the steel
Rope both ends are separately connected the steel cable line wheel (5.1) and positioning chuck, the steel cable line wheel connecting power device and are filled by power
Driving campaign is set, to realize folding and unfolding steel cable, realization is rotated freely for positioning card by folding and unfolding steel cable and traction support column
Disk is installed on locating shaft, or positioning chuck is removed from locating shaft.
9. draught fan impeller general welding fixture according to claim 8, which is characterized in that the steel cable connects positioning chuck
One end be equipped with suspension hook (7.6), the positioning chuck is equipped with hanging ring (7.5), realizes lifting by the cooperation of suspension hook and hanging ring
Positioning chuck.
10. the draught fan impeller general welding fixture according to any one of claim 2-9, which is characterized in that described dynamic
Power device (2) includes motor (2.1), motor mounting plate (2.10) and speed reducer (2.2), is led between the motor and speed reducer
Motor mounting plate connection is crossed, the output shaft of the motor is inserted into the input terminal of the speed reducer, the rotating mechanism, turnover mechanism
And traction device connect realization with the output end of speed reducer and drives movement by power device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822214807.1U CN209335037U (en) | 2018-12-27 | 2018-12-27 | A kind of draught fan impeller general welding fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822214807.1U CN209335037U (en) | 2018-12-27 | 2018-12-27 | A kind of draught fan impeller general welding fixture |
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| Publication Number | Publication Date |
|---|---|
| CN209335037U true CN209335037U (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822214807.1U Active CN209335037U (en) | 2018-12-27 | 2018-12-27 | A kind of draught fan impeller general welding fixture |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396737A (en) * | 2018-12-27 | 2019-03-01 | 株洲联诚集团控股股份有限公司 | A kind of draught fan impeller general welding fixture |
| CN112404868A (en) * | 2021-01-25 | 2021-02-26 | 河南卫华重型机械股份有限公司 | Flange welding deformation prevention device for permanent magnet crane reel set |
-
2018
- 2018-12-27 CN CN201822214807.1U patent/CN209335037U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396737A (en) * | 2018-12-27 | 2019-03-01 | 株洲联诚集团控股股份有限公司 | A kind of draught fan impeller general welding fixture |
| CN112404868A (en) * | 2021-01-25 | 2021-02-26 | 河南卫华重型机械股份有限公司 | Flange welding deformation prevention device for permanent magnet crane reel set |
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