CN209263840U - A kind of accurate measurement bracket - Google Patents
A kind of accurate measurement bracket Download PDFInfo
- Publication number
- CN209263840U CN209263840U CN201920164162.7U CN201920164162U CN209263840U CN 209263840 U CN209263840 U CN 209263840U CN 201920164162 U CN201920164162 U CN 201920164162U CN 209263840 U CN209263840 U CN 209263840U
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- bushing
- cantilever
- lead screw
- accurate measurement
- column
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Abstract
The embodiments of the present invention disclose a kind of accurate measurement bracket, including supporting and positioning mechanism, height regulating mechanism, angle-adjusting mechanism, measure table clamping device, supporting and positioning mechanism includes pedestal and the column that is set on the base, height regulating mechanism includes the hand wheel shaft being connected on pedestal, the lead screw being vertically arranged on pedestal, hand wheel shaft is connected with one end of lead screw by gear, sliding part is threaded on lead screw, angle-adjusting mechanism includes the first bushing being set on sliding part, the effect block being removably attachable on sliding part, effect block is slidably connected on the first bushing, first bushing is connected with lock handle, measurement table clamping device includes the cantilever for being connected to the first bushing and being connected, the dial framework being connected on cantilever, measurement table is provided on dial framework.This equipment operation is simple, and measurement accuracy is high, and practical, measurement range is big.
Description
Technical field
The utility model relates to Technology of Precision Measurement fields, and in particular to a kind of accurate measurement bracket.
Background technique
It in ultra-precision machine tool process, needs to carry out multiple high-acruracy survey in the clamping process of workpiece, protects
Demonstrate,prove the correct of its clamping position, including measure its deviation from circular from, coaxiality error etc..And existing measurement bracket be unable to satisfy it is super
The high-precision requirement of precision machine tool, is manually measured using its amesdial and dial framework and the experience for being limited to operator causes to survey
Amount result can be largely affected by the operator.
Existing measurement method is mostly that amesdial adds measurement dial framework, and this measurement method is difficult to control with dial framework, measures
The problems such as range is smaller, inconvenient for operation, without fine adjustment mechanism, so that the efficiency of the geometric tolerance of measurement workpiece reduces, from
And influence processing efficiency.
Utility model content
To solve the above-mentioned problems in the prior art, the utility model provides a kind of accurate measurement bracket, special
Sign is, including supporting and positioning mechanism, the height regulating mechanism being arranged in the supporting and positioning mechanism, is connected to the height
Angle-adjusting mechanism on adjustment mechanism, the measurement table clamping device being connected on the angle-adjusting mechanism,
The supporting and positioning mechanism includes the column of pedestal and setting on the base,
The height regulating mechanism includes connection hand wheel shaft on the base, is vertically arranged silk on the base
Thick stick, the hand wheel shaft are connected with one end of the lead screw by gear, are threaded with sliding part on the lead screw,
The angle-adjusting mechanism includes the first bushing being set on the sliding part, is removably attachable to the cunning
Effect block on moving part, the effect block are slidably connected on first bushing, and first bushing is connected with lock handle,
The measurement table clamping device includes being connected to cantilever that first bushing is connected, being connected on the cantilever
Dial framework, be provided with measurement table on the dial framework.
Optionally, the column has hollow structure and side wall is provided with perpendicular sliding slot, and the lead screw is arranged in the column
Interior, the sliding part passes through the perpendicular sliding slot and can slide in the perpendicular sliding slot.
Optionally, the sliding part includes the feed screw nut being threaded on the lead screw and is arranged in the lead screw spiral shell
The nut seat in female outside, the nut seat pass through the perpendicular sliding slot and can slide in the perpendicular sliding slot.
Optionally, annular groove is provided on first bushing, the nut seat includes effect block, the effect
Block passes through the perpendicular sliding slot and is slidably connected in the annular groove.
Optionally, the dial framework includes the first connecting rod being connected on the cantilever and is hinged with the first connecting rod
Second connecting rod is removably provided with measurement table on the second connecting rod.
Optionally, the cantilever includes coaxial arrangement and the first cantilever and the second cantilever that are detachably connected, and described first
Cantilever is connected with first bushing, and second cantilever is connected far from one end of first cantilever with the dial framework.
Optionally, first bearing is provided at the top of the column, the bottom of the column is provided with second bearing, described
Lead screw is spindle rotationally arranged in the first bearing and the second bearing.
Optionally, the height regulating mechanism further includes the position for being set in outside the hand wheel shaft and being located at the base top
Display clamping plate is set, is provided with position indicator at the top of the position indicator clamping plate.
Optionally, the second bushing is provided between first bushing and the column.
Optionally, the hinged place of the first connecting rod and the second connecting rod is provided with tightening knob.
The utility model has the advantages that
A kind of accurate measurement bracket provided in the embodiments of the present invention, it is ensured that ultra-precision machine tool piece-holder
The accuracy of measurement in the process and the convenient reliability of measurement process.The present invention may be implemented to the Form and position error of workpiece into
It row high-acruracy survey and may be implemented to the measurement of the auxiliary reference of knife process；And this equipment operation is simple, and measurement accuracy is high,
Practical, measurement range is big, is suitable for ultra-precision machine tool；This equipment is by dividing height regulating mechanism and angle-adjusting mechanism
Meter is opened up, keeps its operation more simple and reliable, and the cantilever being detachably connected is set, can greatly increase its measurement range.
Detailed description of the invention
Fig. 1 is a kind of schematic view of the front view of the embodiment of accurate measurement bracket of the utility model；
Fig. 2 is a kind of side structure schematic view of the embodiment of accurate measurement bracket of the utility model.
Wherein:
1, it goes to the bottom；2, upper cover；3, hand wheel shaft；4, column；5, nut seat；6, the first bushing；7, the second cantilever；8, first is outstanding
Arm；9, bearing block；10, the second bushing；11, feed screw nut；12, lead screw；13, first gear；14, second gear；15, position is aobvious
Show device clamping plate；16, position indicator；17, handwheel；18, block is acted on；19, lock handle；20, dial framework；21, table is measured.
Specific embodiment
Technical solutions of the utility model are discussed in detail with reference to the accompanying drawing.
Embodiment 1
As shown in Figs. 1-2, a kind of accurate measurement bracket, including supporting and positioning mechanism, setting are in the supporting and positioning mechanism
On height regulating mechanism, be connected on the height regulating mechanism angle-adjusting mechanism, be connected to angle adjustment machine
21 clamping device of measurement table on structure,
The supporting and positioning mechanism includes the column 4 of pedestal and setting on the base,
The height regulating mechanism includes connection hand wheel shaft 3 on the base, is vertically arranged on the base
Lead screw 12, the hand wheel shaft 3 are connected with one end of the lead screw 12 by gear, are threaded with sliding on the lead screw 12
Part,
The angle-adjusting mechanism include the first bushing 6 being set on the sliding part, be removably attachable to it is described
Effect block 18 on sliding part, the effect block 18 are slidably connected on first bushing 6, and first bushing 6 is connected with
Lock handle 19,
21 clamping device of measurement table include be connected to cantilever that first bushing 6 is connected, be connected to it is described outstanding
Dial framework 20 on arm is provided with measurement table 21 on the dial framework 20.
Further, the measurement table 21 is amesdial.
Further, the lead screw 12 is trapezoidal screw 12.
Further, the gear is to exempt from key spur gear.
Further, the pedestal has hollow structure, and the gear is horizontally set in the pedestal.
Further, the pedestal includes closeable upper cover 2 and bottom 1, and the upper cover 2 and the bottom 1 pass through spiral shell
It tethers and connects.
Further, the upper cover 2 is the locating piece and supporting element of whole equipment with the bottom 1, and the column 4 is the
The guide part and auxiliary supports of one bushing 6, the supporting and positioning mechanism further include that the limit of 12 upper end of lead screw is arranged in
Mechanism, including bearing block 9, end cap, retaining ring and bearing.
Further, this equipment when in use, can reserve the bottom surface an of slot and the bottom 1 on lathe, this
The assembly of the fixed position of kind is the datum coincidence so that when carrying out the measurement of workpiece geometric tolerance, so that measurement result is more reliable.
Further, the column 4 is arranged across the upper cover 2.
Further, one end that the hand wheel shaft 3 is located above the pedestal is provided with handwheel 17.
Further, the hand wheel shaft 3 is connected by screw to together with the first gear 13, the lead screw 12 and institute
Second gear 14 is stated to be connected by screw to together.
Further, the bottom of the hand wheel shaft 3 is coaxially arranged with first gear 13, and the bottom of the lead screw 12 is coaxially set
It is equipped with second gear 14, the first gear 13 and the second gear 14 are meshed, and by rotating the hand wheel shaft 3, pass through
The transmission of the first gear 13 and the second gear 14 drives the lead screw 12 to rotate, and the rotation of the lead screw 12 drives
The sliding part, the sliding part drive first bushing 6, and first bushing 6 drives the cantilever and the dial framework 20
Lifting is so far realized through rotation handwheel 17 and adjusts the height of measurement table 21.
Further, when locking the position indicator clamping plate 15 and loosening the lock handle 19, handwheel can be passed through
17 carry out the height of trace regulation dial framework 20, realize that high-precision is adjusted, when unclamping the position indicator clamping plate 15 and described simultaneously
When lock handle 19, dial framework 20 can move in stroke range on a large scale along 4 direction of column, realize that height is adjusted on a large scale
Section.
Further, when unclamping the lock handle 19, first bushing 6 and second bushing 10 not with institute
It states 4 side wall of column to fit closely, the effect block 18 is connected by screw on the feed screw nut 11, and the effect block 18 is stretched
Enter in the annular groove on first bushing 6, limits it and move up and down and the rotation of both direction, so that first bushing
6 can only be axis rotation with the lead screw 12, i.e., only with a direction freedom degree, and it is thus achieved that dial framework 20 angle
It adjusts.
Specifically, the effect block 18 can rotate in the annular groove, i.e., the described dial framework 20 can be along lead screw 12
Axle center 360 degree rotation realizes the angle adjustment of the dial framework 20.
Further, second cantilever 7 is clamped on first bushing 6 by the lock handle 19, and is passed through
Positioning pin realizes the positioning of first cantilever 8 and second cantilever 7, and the dial framework 20 directly passes through its own included lock
Tight part is connected on second cantilever 7, and the amesdial is locked on the dial framework 20.Wherein 7 conduct of the second cantilever
Detachable part can be used to increase measurement range.There are two locking knobs for the dial framework 20 itself, can freely adjust upon its release
The posture of the whole dial framework 20 has reached optimal measurement position.
Specifically, the dial framework 20 forms a three-link mechanism together with the cantilever, joint there are two its own,
The dial framework 20 can be made to go to approach measuring piece, spatial attitude with different spatial attitudes by adjusting two joints of itself
Diversity also may be implemented to measure measuring piece in tiny crack.
The column 4 has hollow structure and side wall is provided with perpendicular sliding slot, and the lead screw 12 is arranged in the column 4,
The sliding part passes through the perpendicular sliding slot and can slide in the perpendicular sliding slot.
Further, the column 4 is vertically arranged, and the column 4 is coaxially disposed with the lead screw 12.
Further, the perpendicular sliding slot is arranged along the sidewalls vertical of the column 4.
The sliding part includes the feed screw nut 11 being threaded on the lead screw 12 and is arranged in the feed screw nut
The nut seat 5 in 11 outsides, the nut seat 5 pass through the perpendicular sliding slot and can slide in the perpendicular sliding slot.
Annular groove is provided on first bushing 6, the nut seat 5 includes effect block 18, the effect block
18 pass through the perpendicular sliding slot and are slidably connected in the annular groove.
Further, the feed screw nut 11 is threadedly coupled with the lead screw 12, after the lead screw 12 rotates, the lead screw
Nut 11 realizes raising and lowering on the lead screw 12, and the nut seat 5 is fixedly connected on the outside of the feed screw nut 11
Wall, the effect block 18 on the nut seat 5 is pierced by the column 4 by perpendicular sliding slot, and gos deep into the ring of first bushing 6
In connected in star, first bushing 6 is driven to rise or fall.
Specifically, the effect block 18 is the part that the nut seat 5 passes through the perpendicular sliding slot.
The dial framework 20 includes the first connecting rod being connected on the cantilever and be hinged with the first connecting rod second
Connecting rod is removably provided with measurement table 21 on the second connecting rod.
The cantilever includes the first cantilever 8 and the second cantilever 7 for being coaxially disposed and being detachably connected, first cantilever 8
It is connected with first bushing 6, the one end of second cantilever 7 far from first cantilever 8 is connected with the dial framework 20.
Further, the first connecting rod is connected with second cantilever 7 by oscillating bearing.
Further, first cantilever 8 is connected with second cantilever 7 by bolt.
The top of the column 4 is provided with first bearing, and the bottom of the column 4 is provided with second bearing, the lead screw
12 are spindle rotationally arranged in the first bearing and the second bearing.
Further, the first bearing, the second bearing and the lead screw 12 are coaxially disposed.
The height regulating mechanism further includes being set in outside the hand wheel shaft 3 and showing positioned at the position of the base top
The top of device clamping plate 15, the position indicator clamping plate 15 is provided with position indicator 16.
Further, the position indicator 16 is digital displacement sensor, be can measure by the position indicator 16
The vertical displacement amount of the hand wheel shaft.
Further, the position indicator 16 includes display, can directly display out the vertical displacement of the hand wheel shaft
Amount.
Further, for each revolution, position indicator 16 shows the height of the cantilever and the dial framework 20 to rotating handle
Ascending amount is spent, the ascending amount is identical with the lead of the lead screw 12.
The second bushing 10 is provided between first bushing 6 and the column 4.
The hinged place of the first connecting rod and the second connecting rod is provided with locking knob.
A kind of accurate measurement bracket provided in the embodiments of the present invention, it is ensured that ultra-precision machine tool piece-holder
The accuracy of measurement in the process and the convenient reliability of measurement process.The present invention may be implemented to the Form and position error of workpiece into
It row high-acruracy survey and may be implemented to the measurement of the auxiliary reference of knife process；And this equipment operation is simple, and measurement accuracy is high,
Practical, measurement range is big, is suitable for ultra-precision machine tool；This equipment is by dividing height regulating mechanism and angle-adjusting mechanism
Meter is opened up, keeps its operation more simple and reliable, and the cantilever being detachably connected is set, can greatly increase its measurement range.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of accurate measurement bracket, which is characterized in that including supporting and positioning mechanism, be arranged in the supporting and positioning mechanism
Height regulating mechanism, is connected on the angle-adjusting mechanism angle-adjusting mechanism being connected on the height regulating mechanism
Measurement table clamping device,
The supporting and positioning mechanism includes the column of pedestal and setting on the base,
The height regulating mechanism includes connection hand wheel shaft on the base, is vertically arranged lead screw on the base,
The hand wheel shaft is connected with one end of the lead screw by gear, is threaded with sliding part on the lead screw,
The angle-adjusting mechanism includes the first bushing being set on the sliding part, is removably attachable to the sliding part
On effect block, the effect block is slidably connected on first bushing, and first bushing is connected with lock handle,
The measurement table clamping device includes being connected to the cantilever that first bushing is connected, the table being connected on the cantilever
Frame is provided with measurement table on the dial framework.
2. a kind of accurate measurement bracket according to claim 1, which is characterized in that the column has hollow structure and side
Wall is provided with perpendicular sliding slot, and the lead screw is arranged in the column, and the sliding part passes through the perpendicular sliding slot and can be described perpendicular
Sliding in sliding slot.
3. a kind of accurate measurement bracket according to claim 2, which is characterized in that the sliding part includes being threaded in
Feed screw nut on the lead screw and the nut seat being arranged on the outside of the feed screw nut, the nut seat is across the perpendicular sliding slot
And it can be slided in the perpendicular sliding slot.
4. a kind of accurate measurement bracket according to claim 3, which is characterized in that be provided with annular on first bushing
Groove, the nut seat include effect block, and the effect block passes through the perpendicular sliding slot and is slidably connected in the annular groove.
5. a kind of accurate measurement bracket according to claim 1, which is characterized in that the dial framework includes being connected to described hang
First connecting rod on arm and the second connecting rod being hinged with the first connecting rod are removably provided with survey on the second connecting rod
Scale.
6. a kind of accurate measurement bracket according to claim 1, which is characterized in that the cantilever includes coaxial arrangement and can
The first cantilever and the second cantilever of dismantling connection, first cantilever are connected with first bushing, and second cantilever is remote
One end from first cantilever is connected with the dial framework.
7. a kind of accurate measurement bracket according to claim 1, which is characterized in that be provided with first at the top of the column
Bearing, the bottom of the column are provided with second bearing, and the lead screw is spindle rotationally arranged in the first bearing and described
In two bearings.
8. a kind of accurate measurement bracket according to claim 1, which is characterized in that the height regulating mechanism further includes set
It is located at outside the hand wheel shaft and is located at the position indicator clamping plate of the base top, is set at the top of the position indicator clamping plate
It is equipped with position indicator.
9. a kind of accurate measurement bracket according to claim 1, which is characterized in that first bushing and the column it
Between be provided with the second bushing.
10. a kind of accurate measurement bracket according to claim 5, which is characterized in that the first connecting rod and described second
The hinged place of connecting rod is provided with tightening knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920164162.7U CN209263840U (en) | 2019-01-30 | 2019-01-30 | A kind of accurate measurement bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920164162.7U CN209263840U (en) | 2019-01-30 | 2019-01-30 | A kind of accurate measurement bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209263840U true CN209263840U (en) | 2019-08-16 |
Family
ID=67585086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920164162.7U Active CN209263840U (en) | 2019-01-30 | 2019-01-30 | A kind of accurate measurement bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209263840U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539937A (en) * | 2019-01-30 | 2019-03-29 | 中国工程物理研究院机械制造工艺研究所 | A kind of accurate measurement bracket |
| CN111805014A (en) * | 2020-06-30 | 2020-10-23 | 重庆机床(集团)有限责任公司 | Method and system for measuring A, B axis intersection degree of numerical control gear hobbing machine |
-
2019
- 2019-01-30 CN CN201920164162.7U patent/CN209263840U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539937A (en) * | 2019-01-30 | 2019-03-29 | 中国工程物理研究院机械制造工艺研究所 | A kind of accurate measurement bracket |
| CN109539937B (en) * | 2019-01-30 | 2024-01-09 | 中国工程物理研究院机械制造工艺研究所 | Accurate measurement support |
| CN111805014A (en) * | 2020-06-30 | 2020-10-23 | 重庆机床(集团)有限责任公司 | Method and system for measuring A, B axis intersection degree of numerical control gear hobbing machine |
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