CN209140208U - A kind of positioning mechanism on draught fan impeller chassis - Google Patents
A kind of positioning mechanism on draught fan impeller chassis Download PDFInfo
- Publication number
- CN209140208U CN209140208U CN201821949441.6U CN201821949441U CN209140208U CN 209140208 U CN209140208 U CN 209140208U CN 201821949441 U CN201821949441 U CN 201821949441U CN 209140208 U CN209140208 U CN 209140208U
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- China
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- fixture
- chassis
- clamp shaft
- supporting plate
- draught fan
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Abstract
The utility model provides a kind of positioning mechanism on draught fan impeller chassis, including the supporting plate one for carrying out holding to chassis, the positioning device for being positioned to the chassis being placed on supporting plate one and the rotating device for driving supporting plate one and positioning device to rotate；Positioning device includes being used to support chassis bottom inner hole to clamp several clamping jaws, liftable clamp shaft and the fixture set on chassis；Rotating device includes fixture axle sleeve and the driving portion one for driving fixture axle sleeve rotation；Several clamping jaws be evenly distributed in clamp shaft and with fixture axis connection；Fixture set is set in clamp shaft and is bonded with clamping jaw matching, and clamp shaft can drive clamping jaw to uphold or retract outward towards clamp shaft and move along fixture set outer wall when going up and down, and realizes that the support to chassis is positioned and is detached from.Positioning mechanism can realize the clamping positioning on draught fan impeller chassis, while can play the centering effect to chassis, to greatly improve precision, quality and the efficiency of subsequent blade and chassis welding.
Description
Technical field
The utility model relates to industrial welding technical fields, more specifically to a kind of positioning on draught fan impeller chassis
Mechanism.
Background technique
Draught fan impeller is a kind of to fill vaned wheel disc comprising chassis, blade and top cover.Above-mentioned chassis is flat with top cover
Row setting, the quantity of blade is that several and blade are evenly arranged between chassis and top cover, and the two sides of blade are respectively fixedly connected the bottom of at
On disk and top cover.In order to guarantee that the connective stability between blade and chassis and top cover, usual blade are welded to chassis and top
It covers, to guarantee stability when draught fan impeller uses.
In entire draught fan impeller welding process, the positioning process on chassis is a kind of highly important link.Due to several
Piece blade will be welded on chassis, can be significantly if chassis locating effects such as Yi Yiwei or movement in blade welding process are poor
Influence the welding effect and precision of draught fan impeller.Moreover, if the locating effect on chassis is poor, it is also necessary to which it is again right that operator shuts down
Chassis carries out the adjustment and positioning of position, substantially reduces so as to cause the efficiency and speed of draught fan impeller welding.
In addition, being to carry out every leaf again after needing chassis is every to rotate certain angle in blade and chassis welding process
The welding of piece.Therefore how to improve mechanism is also very crucial technology to the centering effect on chassis.
Utility model content
The purpose of the utility model is to overcome shortcoming and deficiency in the prior art, a kind of draught fan impeller chassis is provided
Positioning mechanism, which can realize the clamping positioning on draught fan impeller chassis, while can play the centering effect to chassis, from
And greatly improve precision, quality and the efficiency of subsequent blade and chassis welding.
In order to achieve the above object, the utility model is achieved by following technical proposals: a kind of draught fan impeller chassis
Positioning mechanism, it is characterised in that: including for chassis carry out holding supporting plate one, for the bottom being placed on supporting plate one
The positioning device that disk is positioned and the rotating device for driving supporting plate one and positioning device to rotate；The positioning device includes
Chassis bottom inner hole is used to support to clamp several clamping jaws, liftable clamp shaft and the fixture set on chassis；The rotating device
Driving portion one including fixture axle sleeve and for driving fixture axle sleeve rotation；
Several clamping jaws be evenly distributed in clamp shaft and with fixture axis connection；The fixture set is set in clamp shaft simultaneously
It is bonded with clamping jaw matching, clamp shaft can drive clamping jaw to uphold or retract outward towards clamp shaft and along fixture set outer wall fortune when going up and down
It is dynamic, realize that the support to chassis is positioned and is detached from；
The fixture axle sleeve and fixture set are connected and are set in clamp shaft；The supporting plate one is connect with fixture axle sleeve, is driven
Dynamic portion one is connect with fixture axle sleeve, and realization drives fixture axle sleeve rotation to drive supporting plate one, fixture set and clamp shaft to rotate synchronously.
In the above scheme, clamping jaw can be driven to uphold outward when the utility model clamp shaft declines, supporting plate one is put in realization
The chassis set is supported clamping position, meanwhile, several clamping jaws can play the role of feeling relieved to chassis, to mention significantly
Precision, quality and the efficiency of high subsequent blade and chassis welding.Clamp shaft can drive clamping jaw to retract simultaneously edge towards fixture set when rising
Fixture covers outer wall movement, realizes the disengaging to chassis.Meanwhile supporting plate one, fixture set and clamp shaft rotate synchronously, it not only can be real
Now every blade replaces welding on chassis, and can guarantee the consistency of movement, when chassis rotates, clamp shaft and clamping jaw
It rotates together, clamping position is carried out to chassis always.
The positioning device further includes the driving portion two for driving fixture axis lifting；Described clamp shaft one end and driving portion
Two connections, the other end stretches out supporting plate one, and is connected with several clamping jaws, and several clamping jaws are located at the mesoporous of supporting plate one.Work as position
Several clamping jaws at one mesoporous of supporting plate are upheld outward simultaneously, then can be supported to chassis bottom inner hole, and are played centering and made
With.
Parts of bearings and rotation when the positioning device further includes clamp shaft rotation for preventing driving portion two from rotating connect
Head；The parts of bearings includes bearing block and the deep groove ball bearing that is arranged on bearing block；The bearing block is arranged in clamp shaft
With the top of two junction of driving portion；The deep groove ball bearing is socketed in clamp shaft；The driving portion two is fixedly installed on axis
It holds below seat, and passes through rotary joint and fixture axis connection.When driving portion one drives fixture axle sleeve rotation to drive clamp shaft logical
When crossing deep groove ball bearing rotation, the parts of bearings and rotary joint of setting can effectively prevent driving portion two to rotate.
The clamp shaft includes axis body and the outer shaft that connect with axis body；Described axis body one end passes through outer shaft, several clamping jaws
It is arranged on outer shaft；The other end is connect by rotary joint with driving portion two, realizes that driving portion two drives axis body lifting to drive
Clamping jaw upholds outward or retracts towards clamp shaft and move along fixture set outer wall, realizes that the support to chassis is positioned and is detached from.
The axis body is screw rod, and top is provided with nut；The nut is connect with screw flight, and clamping jaw is lock onto
On the outer shaft of clamp shaft.
The bottom of the fixture set is inserted in fixture axle sleeve, and the surface of upper part offers the rail equal with clamping jaw quantity
Mark slot is bonded movement convenient for clamping jaw in track groove.
Fixture set is broad in the middle and towards the diminishing structure in both ends, and the both ends of fixture set have taper；The rail
Mark slot also has taper.The bottom of fixture set has taper and is inserted in fixture axle sleeve, then fixture set and clamp shaft can be improved
The compactness and stability connected between set.
The clamping jaw is small top and big bottom structure, and lower end has taper；The clamping jaw is bonded with track groove matching；
Several clamping jaws are evenly distributed in clamp shaft and refer to fixture axis connection: clamp shaft is provided with card slot,
The clamping jaw is evenly distributed in clamp shaft and by O-shaped tensioned in the card slot of clamp shaft.The clamping jaw of the utility model
With it is symmetrical centered on track groove, when which may make that clamping jaw decline is mobile, clamping jaw is upheld outward and is transported along fixture set track groove
Dynamic, the taper of track groove can push up outward clamping jaw, realize that clamping jaw is upheld outward.The design is very ingenious, and simple realization.
The fixture puts on the holding projection being provided with for holding chassis bottom end recess；The holding projection is located at supporting plate
Below one mesoporous.When chassis is placed at supporting plate one, then the bottom end recess on chassis can then be positioned at holding projection.
The utility model further includes the supporting plate two for reinforcing one supporting force of supporting plate；The supporting plate two is connect with supporting plate one,
Its side is evenly distributed with reinforcing rod.The design of supporting plate two and reinforcing rod can greatly enhance the positioning mechanism to the holding energy on chassis
Power.
The positioning mechanism on the utility model draught fan impeller chassis works in this way: clamping jaw is evenly distributed in clamp shaft simultaneously
Through O-shaped tensioned in the card slot of clamp shaft, clamping jaw band taper face is bonded with fixture set, is covered and is slided with the track groove of fixture set
Match.When the pulling axis body decline of driving portion two, then several clamping jaws can be driven to uphold outward to the bottom being placed on supporting plate one simultaneously
Disk is supported clamping position, and plays certralizing ability.When blade and chassis are welded, driving portion one drives fixture axle sleeve
Rotation can then drive supporting plate one, fixture set and clamp shaft to rotate synchronously, realize when rotation welding always chassis clamp it is fixed
Position.At this point, the driving portion two-way being fixedly installed below bearing block is crossed rotary joint and connect with axis body, then can effectively prevent driving
Portion two rotates.
Compared with prior art, the utility model has the following advantages that and the utility model has the advantages that the utility model draught fan impeller bottom
The positioning mechanism of disk can realize the clamping positioning on draught fan impeller chassis, while can play the centering effect to chassis, thus significantly
Improve precision, quality and the efficiency of subsequent blade and chassis welding.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model draught fan impeller chassis positioning mechanism；
Fig. 2 is the side schematic view of the utility model draught fan impeller chassis positioning mechanism；
Fig. 3 is A-A direction schematic diagram in Fig. 2；
Fig. 4 is the schematic diagram of draught fan impeller；
Fig. 5 is the side schematic view of draught fan impeller；
Wherein, 1 be chassis, 1.1 be bottom inner hole, 1.2 be bottom end recess, 2 be supporting plate one, 3 be clamping jaw, 4 be fixture set,
4.1 it is track groove, 4.2 be holding projection, 5 be fixture axle sleeve, 6 be driving portion one, 7 is that driving portion two, 8 is bearing block, 9 is deep
Ditch ball bearing, 10 be screw rod, 11 be outer shaft, 12 be nut, 13 be that supporting plate two, 14 is reinforcing rod, 15 is rotary joint, 16 is outer
Casing.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing.
Embodiment
As shown in Figures 1 to 5, a kind of positioning mechanism on draught fan impeller chassis of the utility model, including outer cage 16, be used for
To the supporting plate 1 of the progress holding of chassis 1, the positioning device for being positioned to the chassis 1 being placed on supporting plate 1 and it is used for
Drive supporting plate 1 and positioning device rotation rotating device, wherein positioning device include be used to support 1 bottom inner hole 1.1 of chassis with
Clamp several clamping jaws 3 on chassis 1, liftable clamp shaft and fixture set 4, rotating device includes fixture axle sleeve 5 and for driving
The driving portion 1 that dynamic fixture axle sleeve 5 rotates, fixture axle sleeve 5 are installed in outer cage 16 by bearing.
Several clamping jaws 3 be evenly distributed in clamp shaft and with fixture axis connection, fixture set 4 be set in clamp shaft and with
The matching fitting of clamping jaw 3, clamp shaft can drive clamping jaw 3 to uphold or retract outward towards clamp shaft and along fixture set outer wall fortune when going up and down
It is dynamic, realize that the support to chassis is positioned and is detached from.Fixture axle sleeve 5 connect and is set in clamp shaft, supporting plate 1 with fixture set 4
Connect with fixture axle sleeve 5, driving portion 1 is connect with fixture axle sleeve 5, realization drive fixture axle sleeve 5 rotation with drive supporting plate 1,
Fixture set 4 and clamp shaft rotate synchronously.
The positioning device of the utility model further include for drive fixture axis lifting driving portion 27, clamp shaft one end with
Driving portion 27 connects, and the other end stretches out supporting plate 1, and is connected with several clamping jaws 3, and several clamping jaws 3 are located at supporting plate 1
At mesoporous.When several clamping jaws 3 being located at one 2 mesoporous of supporting plate extension outward simultaneously, then 1 bottom inner hole 1.1 of chassis can be carried out
Support, and play certralizing ability.The bearing portion when positioning device further includes clamp shaft rotation for preventing driving portion 27 from rotating
Part and rotary joint 15, parts of bearings include bearing block 8 and the deep groove ball bearing 9 that is arranged on bearing block 8, and bearing block 8 is arranged
In the top of clamp shaft and 27 junction of driving portion, deep groove ball bearing 9 is socketed in clamp shaft, driving portion 27 and outer cage 16
Connection passes through rotary joint 15 and fixture axis connection to be fixedly installed on 8 lower section of bearing block.When driving portion 1 drives fixture
When the rotation of axle sleeve 5 is to drive clamp shaft to rotate by deep groove ball bearing 9, the parts of bearings and rotary joint 15 of setting can effectively be prevented
Only driving portion 27 rotates.
The clamp shaft of the utility model includes the outer shaft 11 that top is provided with the screw rod 10 of nut 12 and connect with screw rod 10,
10 one end of screw rod passes through outer shaft 11 and is threadedly coupled with nut 12, and several clamping jaws 3 are arranged on outer shaft 11；The other end and drive
Dynamic portion 27 connects, and realizes that driving portion 27 drives screw rod 10 and the lifting of nut 12 to drive clamping jaw 3 to uphold outward or towards clamp shaft
It retracts and covers 4 outer walls along fixture and move, realize that the support to chassis 1 is positioned and is detached from.And nut 12 is threadedly coupled with screw rod 10,
Clamping jaw 3 is lock on the outer shaft 11 of clamp shaft.
The bottom of the utility model fixture set 4 is inserted in fixture axle sleeve 5, and the surface of upper part offers and the number of clamping jaw 3
Equal track groove 4.1 is measured, is bonded movement in track groove 4.1 convenient for clamping jaw 3.Fixture set 4 for it is broad in the middle and towards both ends gradually
The structure of diminution, the both ends of fixture set 4 have taper, and track groove 4.1 also has taper.The bottom of fixture set 4 has taper
And be inserted in fixture axle sleeve 5, then the compactness connected between fixture set 4 and fixture axle sleeve 5 and stability can be improved.And clamping jaw
3 be small top and big bottom structure, and lower end has taper, and clamping jaw 3 is bonded with the matching of track groove 4.1.Above-mentioned several clamping jaws 3 are equal
Even to be distributed in clamp shaft and refer to fixture axis connection: the outer shaft 11 of clamp shaft is provided with card slot, and clamping jaw 3 is evenly distributed on folder
Have on axis outer shaft 11 and by O-shaped tensioned in the card slot of clamp shaft outer shaft 11.The clamping jaw 3 and track groove of the utility model
Symmetrical centered on 4.1, when which may make that the decline of clamping jaw 3 is mobile, clamping jaw 3 is upheld outward and is transported along fixture set track groove 4.1
Dynamic, the taper of track groove 4.1 can push up outward clamping jaw 3, realize that clamping jaw 3 is upheld outward.The design is very ingenious, and simple real
It is existing.
The holding projection 4.2 for 1 bottom end recess 1.2 of holding chassis, the holding projection 4.2 are provided on fixture set 4
Below the mesoporous of supporting plate 1.When chassis 1 is placed at supporting plate 1, then the bottom end recess 1.2 on chassis 1 then can be convex in holding
It is positioned at position 4.2.
The utility model further includes the supporting plate 2 13 for reinforcing one 2 supporting force of supporting plate, and the supporting plate 2 13 and supporting plate 1 connect
It connects, side is evenly distributed with reinforcing rod 14.The design of supporting plate 2 13 and reinforcing rod 14 can greatly enhance the positioning mechanism bottom of to
The holding ability of disk 1.
The fixture axle sleeve of the utility model is also equipped with bearing block convenient for its rotation.Driving portion one is by having clutch action
Driving part connects composition with retarder, and the driving part with clutch action can turn to setting convenient for the chassis of clamping position
Stop after angle, in order to which blade is welded on chassis.The utility model clamp shaft can drive clamping jaw 3 to uphold outward then when declining
Realize that the chassis 1 placed to supporting plate 1 is supported clamping position, meanwhile, several clamping jaws 3, which can play, determines chassis 1
The effect of the heart, to greatly improve precision, quality and the efficiency of subsequent blade and the welding of chassis 1.Clamp shaft can drive when rising
Clamping jaw 3 is covered towards fixture to be retracted and moves along fixture set outer wall, realizes the disengaging to chassis 1.Meanwhile supporting plate 1, fixture cover 4 and
Clamp shaft rotates synchronously, and every blade not only may be implemented and replace on chassis 1 welding, but also the certifiable consistency acted,
When chassis 1 rotates, clamp shaft and clamping jaw 3 are also rotated together, and carry out clamping position to chassis 1 always.
The positioning mechanism on the utility model draught fan impeller chassis works in this way: clamping jaw 3 is evenly distributed in clamp shaft
And through O-shaped tensioned in the card slot of clamp shaft, clamping jaw 3 is bonded with taper face with fixture set 4, the track with fixture set 4
4.1 sets of slide fits of slot.When driving portion 27 pulls screw rod 10 to decline, then several clamping jaws 3 can be driven to uphold outward to being placed on simultaneously
Chassis 1 on supporting plate 1 is supported clamping position, and plays certralizing ability.When blade and chassis 1 are welded, driving
Portion 1 drives fixture the rotation of axle sleeve 5, then supporting plate 1, fixture set 4 and clamp shaft can be driven to rotate synchronously, when realizing rotation welding
Always clamping position is carried out to chassis 1.At this point, be fixedly installed on the driving portion 27 of the lower section of bearing block 8 by rotary joint 15 with
Screw rod 10 connects, then driving portion 27 can be effectively prevent to rotate.
Above-described embodiment is the preferable embodiment of the utility model, but the embodiments of the present invention is not by above-mentioned
The limitation of embodiment, it is made under other any spiritual essence and principles without departing from the utility model to change, modify, replacing
In generation, simplifies combination, should be equivalent substitute mode, is included within the protection scope of the utility model.
Claims (10)
1. a kind of positioning mechanism on draught fan impeller chassis, it is characterised in that: including the supporting plate one for carrying out holding to chassis, use
In the positioning device positioned to the chassis being placed on supporting plate one and for driving what supporting plate one and positioning device rotated to turn
Dynamic device；The positioning device includes being used to support chassis bottom inner hole to clamp several clamping jaws, the liftable fixture on chassis
Axis and fixture set；The rotating device includes fixture axle sleeve and the driving portion one for driving fixture axle sleeve rotation；
Several clamping jaws be evenly distributed in clamp shaft and with fixture axis connection；The fixture set be set in clamp shaft and with folder
Pawl matching fitting, clamp shaft can drive clamping jaw to uphold or retract outward towards clamp shaft and move along fixture set outer wall when going up and down, real
Now the support on chassis is positioned and is detached from；
The fixture axle sleeve and fixture set are connected and are set in clamp shaft；The supporting plate one is connect with fixture axle sleeve, driving portion
One connect with fixture axle sleeve, and realization drives fixture axle sleeve rotation to drive supporting plate one, fixture set and clamp shaft to rotate synchronously.
2. the positioning mechanism on draught fan impeller chassis according to claim 1, it is characterised in that: the positioning device further includes
For driving fixture the driving portion two of axis lifting；Described clamp shaft one end is connect with driving portion two, and the other end stretches out supporting plate one, and
Several clamping jaws are connected with, several clamping jaws are located at the mesoporous of supporting plate one.
3. the positioning mechanism on draught fan impeller chassis according to claim 2, it is characterised in that: the positioning device further includes
Parts of bearings and rotary joint when clamp shaft rotates for preventing driving portion two from rotating；The parts of bearings include bearing block and
Deep groove ball bearing on bearing block is set；The top of clamp shaft Yu two junction of driving portion is arranged in the bearing block；It is described
Deep groove ball bearing is socketed in clamp shaft；The driving portion two is fixedly installed below bearing block, and passes through rotary joint and folder
Has axis connection.
4. the positioning mechanism on draught fan impeller chassis according to claim 2, it is characterised in that: the clamp shaft includes axis body
The outer shaft being connect with axis body；Described axis body one end passes through outer shaft, and several clamping jaws are arranged on outer shaft；The other end passes through rotation
Connector is connect with driving portion two, realizes that driving portion two drives axis body lifting to drive clamping jaw to uphold or retract simultaneously outward towards clamp shaft
It is moved along fixture set outer wall, realizes that the support to chassis is positioned and is detached from.
5. the positioning mechanism on draught fan impeller chassis according to claim 4, it is characterised in that: the axis body is screw rod, and
Top is provided with nut；The nut is connect with screw flight, and clamping jaw is lock on the outer shaft of clamp shaft.
6. the positioning mechanism on draught fan impeller chassis according to claim 1, it is characterised in that: insert the bottom of the fixture set
In fixture axle sleeve, the surface of upper part offers the track groove equal with clamping jaw quantity, pastes in track groove convenient for clamping jaw
Close movement.
7. the positioning mechanism on draught fan impeller chassis according to claim 6, it is characterised in that: the fixture set is broad in the middle
And towards the diminishing structure in both ends, the both ends of fixture set have taper；The track groove also has taper.
8. the positioning mechanism on draught fan impeller chassis according to claim 7, it is characterised in that: the clamping jaw is under upper end is big
Small structure is held, lower end has taper；The clamping jaw is bonded with track groove matching；
Several clamping jaws are evenly distributed in clamp shaft and refer to fixture axis connection: clamp shaft is provided with card slot, described
Clamping jaw is evenly distributed in clamp shaft and by O-shaped tensioned in the card slot of clamp shaft.
9. the positioning mechanism on draught fan impeller chassis according to claim 6, it is characterised in that: the fixture, which is put on, to be provided with
Holding projection for holding chassis bottom end recess；The holding projection is located at below the mesoporous of supporting plate one.
10. the positioning mechanism on draught fan impeller chassis according to claim 1, it is characterised in that: further include for reinforcing support
The supporting plate two of one supporting force of plate；The supporting plate two is connect with supporting plate one, and side is evenly distributed with reinforcing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821949441.6U CN209140208U (en) | 2018-11-23 | 2018-11-23 | A kind of positioning mechanism on draught fan impeller chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821949441.6U CN209140208U (en) | 2018-11-23 | 2018-11-23 | A kind of positioning mechanism on draught fan impeller chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209140208U true CN209140208U (en) | 2019-07-23 |
Family
ID=67287191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821949441.6U Active CN209140208U (en) | 2018-11-23 | 2018-11-23 | A kind of positioning mechanism on draught fan impeller chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209140208U (en) |
-
2018
- 2018-11-23 CN CN201821949441.6U patent/CN209140208U/en active Active
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