CN209706725U - A kind of worm screw concentricity testing device - Google Patents
A kind of worm screw concentricity testing device Download PDFInfo
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- CN209706725U CN209706725U CN201920491574.1U CN201920491574U CN209706725U CN 209706725 U CN209706725 U CN 209706725U CN 201920491574 U CN201920491574 U CN 201920491574U CN 209706725 U CN209706725 U CN 209706725U
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- worm screw
- fastener
- studdle
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Abstract
The utility model relates to a kind of worm screw concentricity testing devices comprising the workbench that is made of ferrimagnet, the Magnetic gauge stand being set on the workbench and installing mechanism for installing workpiece, the dial gauge being set on the universal support arm of the Magnetic gauge stand；The installing mechanism include pedestal, at least two be rotationally connected with the pedestal side wall and for workpiece place studdle, be set on the pedestal rotation seat, be rotationally connected on the rotation seat mobile bar, be set in the mobile bar and be used for workpiece pressing compression bar, elastic component is fixed between the rotation seat and the mobile bar, the elastic component forces the compression bar to move towards the studdle.The utility model is constant by the axle center line position for the worm screw ontology that studdle and compression bar control workpiece, and is aided with the concentricity of the workpiece of dial gauge measurement rotation, easy operation.
Description
Technical field
The utility model relates to mechanical technical fields, more particularly, to a kind of worm screw concentricity testing device.
Background technique
Worm screw refers to one or several helical tooths, and engages and form the gear of gear pair with non-parallel with worm gear.
Currently, the flank of tooth of normal cylindrical worm gear is usually the lathe tool vehicle for using rectilinear edge on lathe, according to lathe tool installation site
Difference, tooth curve of the worm tooth-surface processed in different cross section be also different.
The worm shaft that worm screw generally comprises worm screw ontology and is arranged on worm screw ontology.Due to equipment or worker's technical level
Difference, there may be minor deviations between the axial line of existing worm screw ontology and the axial line of worm shaft, so influence with
Fitness between turbine.Now need the concentricity between a kind of axial line that can detect worm screw ontology and the axial line of worm shaft
Equipment, have much room for improvement.
Utility model content
The purpose of the utility model is to provide a kind of for detecting the worm screw concentricity testing device of the concentricity of worm screw.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
A kind of worm screw concentricity testing device including workbench, the Magnetic gauge stand being set on the workbench and is used for
The installing mechanism for installing workpiece, the dial gauge being set on the Magnetic gauge stand；The installing mechanism includes pedestal, at least two
It is rotationally connected with the side wall of the pedestal and for the studdle of workpiece placement, the rotation seat being set on the pedestal, rotation
The mobile bar being connected on the rotation seat, the compression bar for being set in the mobile bar and being used for workpiece pressing, the rotation seat
Elastic component is fixed between the mobile bar, the elastic component forces the compression bar to move towards the studdle.
By using above-mentioned technical proposal, before measuring, the end wall of workpiece is contacted on the side wall of pedestal, and workpiece
Worm screw ontology is placed on studdle, then unclamps mobile bar, is acted on using the preload of elastic component, mobile bar is rotated and driven
The worm screw ontology of compression bar workpiece pressing, the axial movement of workpiece is limited with this；Then, pass through the magnet base of control Magnetic gauge stand
Magnetism moves Magnetic gauge stand with this and adjusts the universal support arm of Magnetic gauge stand, so that the end of the measurement needle of dial gauge contacts at
The side wall of the worm shaft of workpiece；Studdle is finally rotate in same direction, workpiece also rotates with it, and observes the reading of dial gauge；
Since the axial line of the worm screw ontology of workpiece is relatively constant, the displacement of the end of the measurement needle of dial gauge is the worm screw sheet of workpiece
Spacing between the axial line of body and the axial line of worm shaft can be detected out worm screw finally by the reading of observation dial gauge
Concentricity, easy operation.
The utility model is further arranged to: the side wall of the pedestal is rotatably connected to driving wheel, the axis of the driving wheel
End face is provided with grip part, is equipped with the first fastener on the driving wheel and the grip part；The axis of the studdle
End face is provided with driven wheel, is arranged with transmission belt at least two driven wheels and the driving wheel.
By using above-mentioned technical proposal, realized by way of rotation grip part and by V belt translation, with this corresponding
Studdle between synchronous rotation, guarantee that the stress at the contact surface of workpiece and studdle reaches unanimity with this, avoid
Workpiece is radially beated, and is further ensured that the accuracy of measurement of device；In addition, unclamping the first fastener, that is, it can be taken off grip part,
Convenient for the dismounting, maintenance and replacement of grip part and transmission belt, easy operation.
The utility model is further arranged to: the side wall of the pedestal is provided with the slide plate fixed for rotation seat, the cunning
On piece offers vertical slot, is equipped with the second fastener on the pedestal, the second fastener sliding is embedded in the vertical slot,
It is mobile to limit the slide plate.
By using above-mentioned technical proposal, the second fastener is unclamped, according to the diameter of workpiece to be detected, slide plate is moved and turns
Seat is moved to suitable location, the second fastener is then tightened, the movement of slide plate, easy operation can be limited.
The utility model is further arranged to: the compression bar is arranged in the mobile bar, is offered in the mobile bar
Third fastener, it is mobile that the end of the third fastener contacts at the outer wall of the compression bar, the limitation compression bar.
By using above-mentioned technical proposal, third fastener is unclamped, it is according to the position of the worm screw ontology of workpiece, compression bar is remote
End from mobile bar is moved on the circumferential position of worm screw ontology of workpiece, then tightens third fastener, finally to press
Bar can contact at the side wall of the worm screw ontology of workpiece, easy operation.
The utility model is further arranged to: being equipped with the 4th fastener on the pedestal and the workbench.
The connection between pedestal and workbench is being guaranteed by release, tightening fastener parts by using above-mentioned technical proposal
While intensity, it is easily installed the dismounting of mechanism on the table, easy operation.
In conclusion the advantageous effects of the utility model are as follows:
1. the axle center line position by studdle and the worm screw ontology of compression bar control workpiece is constant, and is aided with dial gauge survey
Measure the concentricity of the workpiece of rotation, easy operation；
2. realizing the synchronous rotation between studdle by way of V belt translation, it is further ensured that the measurement of device is accurate
Degree.
Detailed description of the invention
Fig. 1 is the worm screw concentricity testing device structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the installing mechanism of the utility model.
In figure, 1, workbench；2, Magnetic gauge stand；3, installing mechanism；31, pedestal；32, studdle；33, rotation seat；34,
Mobile bar；35, compression bar；36, elastic component；37, third fastener；38, the 4th fastener；4, dial gauge；5, driving assembly；51,
Driving wheel；52, grip part；53, the first fastener；54, driven wheel；55, transmission belt；6, slide plate；61, vertical slot；62, the second fastening
Part.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Fig.1, it is a kind of worm screw concentricity testing device disclosed by the utility model, including is made of ferrimagnet
Workbench 1, the Magnetic gauge stand 2 that is set on workbench 1 and installing mechanism 3, be set to Magnetic gauge stand 2 universal support arm folder
Dial gauge 4 at table, installing mechanism 3 move along the axial line of the worm screw ontology of workpiece for limiting workpiece and drive workpiece
It is rotated along above-mentioned axial line.After workpiece is mounted on installing mechanism 3, since the axial line of the worm screw ontology of workpiece is relatively constant,
Between the displacement of the end of the measurement needle of dial gauge 4 is as between the axial line of worm screw ontology and the axial line of worm shaft of workpiece
Away from can be detected out the concentricity of worm screw finally by the reading of observation dial gauge 4.
Installing mechanism 3 includes pedestal 31, two or so the supports for being arranged side by side and being rotationally connected with the front side wall of pedestal 31
Screw rod 32, the driving assembly 5(that rotates in same direction of driving studdle 32 are referring to Fig. 2), be set to pedestal 31 top U-shaped turn
Dynamic seat 33, is set to the left end of mobile bar 34 and is used for the mobile bar 34 being rotationally connected between the front and back inner wall of rotation seat 33
The compression bar 35 of workpiece pressing.It is fixed between the bottom wall of rotation seat 33 and the bottom surface of mobile bar 34 and forces compression bar 35 towards support spiral shell
The elastic component 36 that bar 32 moves, elastic component 36 are spring.
Referring to Fig. 2, the rear end of studdle 32 is pierced by the outside of pedestal 31.Driving assembly 5 includes being rotationally connected with bottom
Seat 31 rear wall driving wheel 51, be fixed on driving wheel 51 rear axial end face grip part 52, be arranged in 51 and of driving wheel
The first fastener 53 on grip part 52, be fixed on studdle 32 rear end face driven wheel 54, be sheathed on two driven wheels
54 and driving wheel 51 on transmission belt 55.It is realized by way of rotation grip part 52 and by V belt translation, with this corresponding
Synchronous rotation between studdle 32 guarantees that workpiece reaches unanimity with the stress at the contact surface of studdle 32 with this, keeps away
Exempt from workpiece radially to beat, is further ensured that the accuracy of measurement of device.Wherein, grip part 52 is handwheel, the first fastener 53
For the bolt being threadedly connected on driving wheel 51 and grip part 52.The first fastener 53 is unclamped, that is, can be taken off grip part 52, be convenient for
Dismounting, maintenance and the replacement of grip part 52 and transmission belt 55, easy operation
Since the diameter of the workpiece for measurement of different batches may be different, the side wall of pedestal 31 is provided with fixed for rotation seat 33
Slide plate 6.Vertical slot 61(is offered on slide plate 6 referring to Fig.1), the second fastener 62, the second fastener 62 are equipped on pedestal 31
It is embedded in vertical slot 61, to slide to limit the mobile bolt of slide plate 6.The second fastener 62 is unclamped, according to workpiece to be detected
Then diameter, mobile slide plate 6 and rotation seat 33 tighten the second fastener 62, can limit the movement of slide plate 6 to suitable location.
Compression bar 35 is arranged in mobile bar 34, and third fastener 37 is offered in mobile bar 34, and third fastener 37 is small
Head end contacts at the mobile bolt of the outer wall of compression bar 35, limitation compression bar 35.Third fastener 37 is unclamped, according to the worm screw sheet of workpiece
Compression bar 35 is moved on the circumferential position of worm screw ontology of workpiece far from the end of mobile bar 34, then tightens by the position of body
Third fastener 37 finally enables compression bar 35 to contact at the side wall of the worm screw ontology of workpiece.
The 4th fastener 38 is equipped on pedestal 31 and workbench 1, the 4th fastener 38 is to be threadedly connected to 31 He of pedestal
Bolt in workbench 1.By release, tightening fastener parts, guaranteeing the same of the bonding strength between pedestal 31 and workbench 1
When, it is easily installed dismounting of the mechanism 3 on workbench 1.
The implementation principle of the present embodiment are as follows:
S1 before measuring, unclamps the second fastener 62 and third fastener 37, according to the mobile compression bar 35 of the size of workpiece to
Suitable position tightens the second fastener 62 and third fastener 37；
S2 contacts at the end wall of workpiece on the front side wall of pedestal 31, and the worm screw ontology of workpiece is placed in two supports
On screw rod 32；
Then S3 unclamps mobile bar 34, elastic component 36 forces mobile bar 34 to rotate and drives the snail of 35 workpiece pressing of compression bar
Bar body；
Then, the magnetism of the magnet base by controlling Magnetic gauge stand 2 moves Magnetic gauge stand 2 with this and adjusts magnetic table S4
The universal support arm of seat 2, so that the end of the measurement needle of dial gauge 4 contacts at the side wall of the worm shaft of workpiece；
Finally, rotation grip part 52, studdle 32 rotate in same direction, workpiece also rotates with it S5, observation dial gauge 4
Reading；
S6 is measured referring to S2-S3, S5 with other a batch of workpiece.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (5)
1. a kind of worm screw concentricity testing device, it is characterised in that: including be made of ferrimagnet workbench (1), setting
In the Magnetic gauge stand (2) on the workbench (1) and the installing mechanism (3) for installing workpiece, it is set to the Magnetic gauge stand
(2) dial gauge (4) on universal support arm；The installing mechanism (3) include pedestal (31), at least two be rotationally connected with it is described
The side wall of pedestal (31) and for workpiece place studdle (32), be set on the pedestal (31) rotation seat (33), turn
The dynamic mobile bar (34) being connected on the rotation seat (33), the pressure for being set on the mobile bar (34) and being used for workpiece pressing
Bar (35) is fixed with elastic component (36) between the rotation seat (33) and the mobile bar (34), and the elastic component (36) forces
The compression bar (35) moves towards the studdle (32).
2. a kind of worm screw concentricity testing device according to claim 1, it is characterised in that: the side wall of the pedestal (31)
It is rotatably connected to driving wheel (51), the axial end face of the driving wheel (51) is provided with grip part (52), the driving wheel (51)
With the first fastener (53) are equipped on the grip part (52)；The axial end face of the studdle (32) is provided with driven wheel
(54), transmission belt (55) are arranged at least two driven wheels (54) and the driving wheel (51).
3. a kind of worm screw concentricity testing device according to claim 1, it is characterised in that: the side wall of the pedestal (31)
It is provided with the slide plate (6) fixed for rotation seat (33), offers vertical slot (61) on the slide plate (6), is worn on the pedestal (31)
Equipped with the second fastener (62), the second fastener (62) sliding is embedded in the vertical slot (61), limits the slide plate (6)
It is mobile.
4. a kind of worm screw concentricity testing device according to claim 1, it is characterised in that: the compression bar (35) is arranged in
It on the mobile bar (34), is offered third fastener (37) on the mobile bar (34), the end of the third fastener (37)
Portion contacts at the outer wall of the compression bar (35), limitation compression bar (35) movement.
5. a kind of worm screw concentricity testing device according to claim 1, it is characterised in that: the pedestal (31) and described
The 4th fastener (38) is equipped on workbench (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920491574.1U CN209706725U (en) | 2019-04-12 | 2019-04-12 | A kind of worm screw concentricity testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920491574.1U CN209706725U (en) | 2019-04-12 | 2019-04-12 | A kind of worm screw concentricity testing device |
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| Publication Number | Publication Date |
|---|---|
| CN209706725U true CN209706725U (en) | 2019-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920491574.1U Active CN209706725U (en) | 2019-04-12 | 2019-04-12 | A kind of worm screw concentricity testing device |
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| CN (1) | CN209706725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113487A (en) * | 2020-09-08 | 2020-12-22 | 东风汽车集团有限公司 | EPS tubular column worm gear backlash detection device |
-
2019
- 2019-04-12 CN CN201920491574.1U patent/CN209706725U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112113487A (en) * | 2020-09-08 | 2020-12-22 | 东风汽车集团有限公司 | EPS tubular column worm gear backlash detection device |
| CN112113487B (en) * | 2020-09-08 | 2021-11-30 | 东风汽车集团有限公司 | EPS tubular column worm gear backlash detection device |
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