CN110280958A - A kind of part inclination angle large-scale stepless alignment jig - Google Patents
A kind of part inclination angle large-scale stepless alignment jig Download PDFInfo
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- CN110280958A CN110280958A CN201910495787.6A CN201910495787A CN110280958A CN 110280958 A CN110280958 A CN 110280958A CN 201910495787 A CN201910495787 A CN 201910495787A CN 110280958 A CN110280958 A CN 110280958A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
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Abstract
A kind of part inclination angle large-scale stepless alignment jig of the present invention belongs to clamping tool for machine work field, is related to a kind of part inclination angle large-scale stepless alignment jig for laser processing.The fixture is made of positioning clamp unit, tilt adjustment unit, lead screw fixed cell and registration unit.Sliding shoe can be driven mobile by lead screw and support plate rotates, adjusted workbench tilt angle, realize and laser processing flat part tilt angle large-scale stepless is adjusted, and cell position is adjusted by cam constant tilt.By positioning clamp unit, flat part is positioned and is clamped.Based on workbench tilt angle and handwheel rotating cycle, lead screw screw pitch, each part geometry size relationship of tilt adjustment unit, pass through the accurate read work platform inclination angle of registration unit.It is calculated the present invention is based on stringent geometrical relationship and cleverly structure designs, it is full-featured, it is compact-sized, it is accurate reliable.
Description
Technical field
The invention belongs to clamping tool for machine work field, are related to a kind of part inclination angle large-scale stepless tune for laser processing
Save fixture.
Background technique
The complex-curved wide frequency antenna of high-performance is the key part in aerospace field high-speed aircraft, mostly deep chamber knot
Structure and inside and outside wall strip line structure complexity.Such part band line edge quality requires high, inside and outside wall band line position corresponding relationship requirement
Strictly, it is necessary to assure there is good design matching and process consistency between technological parameter.However, such part laser machines
In, because limited space easily causes optical path to be interfered, laser oblique incidence working process parameter affecting laws are unclear to cause heat affecting
Region increases, ablation section quality reduces, material removal amount is difficult to ensure.Therefore, laser beam oblique incidence processing technology rule
It is increasingly becoming domestic and international research hotspot.However, directlying adopt into moldeed depth chamber complex parts as research object easily introduces laser
The multivariables agitation errors such as scan path difference, the curvature of curved surface sudden turn of events, the flat part that can adjust tilt angle on a large scale become
Verify the ideal part of laser beam oblique incidence processing technology rule.It is adjusted however, engineering often uses tilt adjustment fixture to exist more
The limitations such as range limited, positioning accuracy deficiency, inclination angle skip regulation.Therefore, for the big model in flat part inclination angle of laser processing
That encloses step-less adjustment fixture is designed to verify laser beam oblique incidence processing technology rule necessary links, to raising aerospace
High-performance complex-curved wide frequency antenna military service performance in field has important practical application of significance.
" the Nanosecond pulsed laser irradiation of sapphire for of existing technical literature 1
Developing microstructures with deep V-shaped grooves ", Nozomi Takayama etc.,
Precision Engineering, 2018,52:440-450, the document changes laser energy by changing laser beam incident angle
Amount distribution size, and then influence laser ablation section of outline feature, author do not refer in the text part tilt adjustment method or
Fixture.2 Wang Fuji of existing technical literature et al. patent publication No. CN107414552A's is " a kind of multiple for Milling Process carbon fiber
The adjustable suction jig of condensation material " designs a kind of dedicated absorption for the adjustable tilt angle of carbon fibre composite
Fixture, however that there are sucker tilt adjustment ranges is small, it is big to manually adjust inclination angle difficulty, inclination angle size measurement accuracy is low etc. for the fixture
Defect not can be used directly in verifying in laser beam oblique incidence processing technology law study.
Summary of the invention
The present invention in order to overcome the deficiencies of the prior art, has invented a kind of part inclination angle large-scale stepless for laser processing
Alignment jig.The fixture can be realized and be determined flat part by the positioning clamp unit being made of clamping device and locating piece
Position and clamping；By adjusting the tilt adjustment unit being made of lead screw, support plate, gear, sliding shoe and lead screw sleeve etc. and by
The lead screw fixed cell that fastening block, handle, handle jacket form is realized and is adjusted to the large-scale stepless of flat part tilt angle
It is firm with position.By the registration unit being made of angle scale and reading plate, realize to the accurate of flat part tilt angle
It reads.
The technical solution adopted by the present invention is that a kind of part inclination angle large-scale stepless alignment jig, characterized in that the fixture
It is made of positioning clamp unit, tilt adjustment unit, lead screw fixed cell and four part of registration unit；
In the positioning clamp unit, locating piece 1 is fixed on workbench 6 by positioning pin 2 and positioning bolt 3
On；Two clamping devices 4 are diagonally mounted on the upper left corner and the lower right corner of workbench 6 by fixing bolt 5 respectively；Clamp dress
Setting processing in 4 support base 4d, there are two grooves, two fastening spring 4c to be separately mounted in groove；Gripping block 4a is " big " word
Shape, head are contacted with processed flat part, and tail portion is touched with fastening spring 4c, and briquetting 4e is fixed on branch by fastening screw 4b
It supports on seat 4d, guarantees gripping block 4a elastic clamping flat part in groove；
In the tilt adjustment unit, the structure of left support plate 30: the upper end of left support plate 30 is machined with keyed axis hole
30b, lower end are machined with pin shaft hole 30d, and lower-left end slot 30e is provided among left end, upper right end slot 30f is provided among right end；On a left side
Round rectangle through-hole 30a is provided in the middle part of 30 upper surface of support plate, side is provided with through-hole 30c；Pass through pin shaft hole 30d with pin shaft 15
Left support plate 30 and left sliding shoe 18 are connected；
The structure of connecting platform 24: connecting platform 24 is made of upper flat plate 24a and middle plate 24e, middle plate 24a and middle plate 24e
It is perpendicular；Upper screwed hole 24a is machined on upper flat plate 24a, connecting platform 24 is connected by screw 25 and workbench 6；Middle plate
There is positioning surface 24c in the middle part of 24e, lower threaded hole 24d is machined on middle plate 24e；The fillet square of middle plate 24e insertion left support plate 30
It in shape through-hole 30a, and is contacted with 30 upper surface of left support plate by positioning surface 24c with defined position, passes through through-hole with screw 31
The lower threaded hole 24d of 30c and connecting platform 24, connecting platform 24 is fixed in left support plate 30；
The structure of right support plate 7: the upper end of right support plate 7 is machined with keyed axis hole 7c, and lower end is machined with pin shaft hole 7b, right
End is intermediate to be provided with right end slot 7d, left end slot 7e is provided among left end, the upper surface of right support plate 7 is threaded hole 7a；With pin
Right support plate 7 and right sliding shoe 14 are connected by axis 15 by pin shaft hole 7b；And axial position is limited by circlip A16；
Right support plate 7,30 upper end of left support plate pass through keyed axis hole 7c, keyed axis hole 30b with two shaft with key way 27 respectively,
It is then passed through the through-hole at 28 both ends of centre bore and connecting rod of two gears 29, makes two gear correct engagements, and with circlip 26
Axial position is limited, is guaranteed between gear and two support plates without relative motion；
In the lead screw fixed cell, it is machined with bolt hole on right receiver 11 and left sleeve seat 19, passes through sleeve respectively
Seat bolt 13 is fixed on the left and right end of pedestal 20；It will be mounted with that right sliding shoe 14 and the lead screw 17 of left sliding shoe 18 are mounted on
In 19 centre bore of right receiver 11 and left sleeve seat, handwheel 12 is mounted on the right end of lead screw 17, drives 17 turns of lead screw by handwheel 12
It is dynamic；The rotation of lead screw 17 while mobile right sliding shoe 14 and left sliding shoe 18, and then right support plate 7 and left support plate 30 is driven to revolve
Turn, realizes the inclination of workbench 6；
Hole 21b, pin hole 21c and through-hole 21d are threaded on taper knob cylinder base 21, and there are two guide post 21a for installation；
The through-hole 21d that handle 21 passes through taper knob cylinder base 21 is connect with cam 32；Fastening block 23 is mounted on above cam 32, fastening block 23
Upper through-hole and guide post 21a clearance fit, 23 upper surface of fastening block is machined with semi-circular recesses and 17 clearance fit of lead screw；Work as work
After part tilt adjustment unit process, rotational handle 22, cam 32 pushes fastening block 23 to move up locked lead screw 17, constant tilt
Adjust cell position；
In the registration unit, it is machined with reading hole on reading plate 9, is mounted in right support plate 7 by bolt 8；Angle
Scale 10 is mounted on right sliding shoe 14 by bolt；
Mark angle index on scale, angular dimension range and interval by 12 rotating cycle n of handwheel, 17 screw pitch p of lead screw, incline
Each part geometry size of slop regulation section unit determines, takes 7 both ends threaded hole 7b of right support plate and the center dowel hole 7c away from for l, works as work
Make that platform 6 is when in a horizontal state, takes the center the pin shaft hole 7b of right support plate 7 and keyed axis hole 7c to be at a distance from vertical direction
h0, then workbench 6 is when in a horizontal state, the angle theta of right support plate 7 and horizontal direction0Are as follows:
After handwheel 12 is rotated n circle, the angle theta of right support plate 7 and horizontal direction are as follows:
Since left support plate 30 and right support plate 7 are symmetrical structure, the two rotational angle is equal in magnitude, and workbench 6 is solid
It is scheduled in plate plate platform 33 and left support plate 30, therefore workbench 6 and the angle of horizontal direction are equal to what left support plate 30 turned over
Angle, the i.e. inclined angle alpha of workbench 6 are as follows:
α=θ-θ0 (3)
It brings formula (1), formula (2) into formula (3), obtains the inclined angle alpha and each parametric relationship of workbench 6 are as follows:
When right sliding shoe 14 is moved to lead screw center with left sliding shoe 18, the inclination angle of workbench 6 reaches maximum value,
At this point, left support plate 30 and the keyed axis hole center in 7 upper end of right support plate are away from for d1, lower end pin shaft hole center is away from for d2, right support plate
7 with the angle maximum value θ of horizontal directionmaxAre as follows:
The then allowable angle of inclination α of workbench 6maxAre as follows:
αmax=θmax-θ0 (6)
Therefore, the tilt adjustment section α which realizes are as follows:
α=[0, αmax] (7)
Pass through the accurate read work platform inclination angle of registration unit.
Sliding shoe can be driven mobile by lead screw the beneficial effects of the invention are as follows alignment jig and support plate rotates, adjust work
Make platform inclination angle, is calculated based on stringent geometrical relationship and cleverly structure designs, realized to laser processing plate zero
Part tilt angle large-scale stepless is adjusted, and adjusts cell position by cam constant tilt；By positioning clamp unit, to flat
The positioning of plate part clamps；Based on workbench tilt angle and handwheel rotating cycle, lead screw screw pitch, each part of tilt adjustment unit
Geometric dimension relationship passes through the accurate read work platform inclination angle of registration unit.The fixture can realize flat part inclination angle
Large-scale stepless is spent to adjust, it is accurate to read inclination angle size, there is important reality to laser oblique incidence processing technology rule is verified
Border application value.For existing tilt adjustment fixture, which is calculated based on stringent geometrical relationship and is cleverly tied
Structure design, it is full-featured, it is compact-sized, it is accurate reliable.
Detailed description of the invention
Fig. 1 is a kind of axonometric drawing of part inclination angle large-scale stepless alignment jig, and Fig. 2 is a kind of a wide range of nothing in part inclination angle
The main view of grade alignment jig.Wherein, 1- locating piece, 2- positioning pin, 3- positioning bolt, 4- clamping device, 5- fixing bolt, 6-
Workbench, 7- right support plate, 8- fastening bolt, 9- reading plate, 10- angle scale, the right receiver of 11-, 12- handwheel, 13- set
Cylinder base bolt, the right sliding shoe of 14-, 15- pin shaft, 16- circlip A, 17- lead screw, the left sliding shoe of 18-, 19- left sleeve seat, 20-
Pedestal, 21- taper knob cylinder base, 22- handle, 23- fastening block, 24- connecting platform, 25- support plate bolt, 26- circlip,
27- shaft with key way, 28- connecting rod, 29- gear, 30- left support plate, 31- connecting platform screw, 32- cam.
Fig. 3 is 4 structure chart of clamping device, wherein 4a- gripping block, 4b- fastening screw, 4c- fastening spring, 4d- support
Seat, 4e- briquetting, 5- fixing bolt.
Fig. 4 is 7 structure chart of right support plate, wherein 7a- threaded hole, 7b- pin shaft hole, the keyed axis hole of 7c-, the left end 7d- slot.
7e- right end slot.
Fig. 5 is 24 structure chart of connecting platform, wherein 24a- upper flat plate, 24b- upper screwed hole, 24c- positioning surface, under 24d-
Threaded hole, plate in 24e-.
Fig. 6 is 30 structure chart of left support plate, wherein 30a- round rectangle through-hole, the keyed axis hole of 30b-, and 30c- through-hole,
30d- pin shaft hole, the lower-left 30e- end slot.30f- upper right end slot.
Fig. 7 is 21 structure chart of taper knob cylinder base, wherein 21a- guide post, 21b- threaded hole, 21c- pin hole, 21d- through-hole.
Specific embodiment
With reference to the accompanying drawing with the technical solution specific implementation that the present invention will be described in detail.
The part inclination angle large-scale stepless alignment jig axonometric drawing for laser processing of the present embodiment is as shown in Figure 1, Fig. 2
For the part inclination angle large-scale stepless alignment jig main view for laser processing.The fixture can drive sliding shoe mobile by lead screw
It is rotated with support plate, adjusts workbench tilt angle, calculated based on stringent geometrical relationship and cleverly structure designs, realized
Laser processing flat part tilt angle large-scale stepless is adjusted, and cell position is adjusted by cam constant tilt；It is logical
Positioning clamp unit is crossed, flat part is positioned and is clamped；Based on workbench tilt angle and handwheel rotating cycle, lead screw spiral shell
Away from, each part geometry size relationship of tilt adjustment unit, pass through the accurate read work platform inclination angle of registration unit.
The installation and use of fixture specific steps are as follows:
One, pedestal 20 is fixed on the base using bolt and nut, right receiver 11, left sleeve seat 19 are used into receiver
Bolt 13 is mounted on pedestal 20.Right sliding shoe 14, left sliding shoe 18 and 20 guide groove of pedestal are slidably connected, and lead screw 17 is connected to
It on handwheel 12, engages with right sliding shoe 14,18 upper screwed hole of left sliding shoe, and matches with right receiver 11,19 gap of right receiver
It closes.Right support plate 7,30 lower end of left support plate pass through pin shaft 15 respectively and are mounted on right sliding shoe 14,18 upper end of left sliding shoe, and by
Circlip A16 limits axial position.
Two, as shown in figs. 4 and 6, right support plate 7,30 upper end of left support plate are used for right support plate 7, the structure of left support plate 30
Two shaft with key way 27 respectively by keyed axis hole 7c, keyed axis hole 30b, be then passed through two gears 29 centre bore and 28 liang of connecting rod
The through-hole at end makes two gear correct engagements, and limits axial position with circlip 26, guarantees nothing between gear and two support plates
Relative motion；
Three, the specific structure of connecting platform 24 is as shown in figure 5, be inserted into left branch for round rectangle plate 24d on connecting platform 24
On fagging 30 in round rectangle through-hole, both positioning surface 24b guarantees relative position, and fixed by screw 31.It will using screw 25
Workbench 6 is mounted on connecting platform 24.Lead screw 17 is driven to rotate by handwheel 12, while mobile right sliding shoe 14 and left sliding
Block 18, and then right support plate 7 and left support plate 30 is driven to rotate, realize that workbench 6 tilts.
Four, the structure of taper knob cylinder base 21 by using there are two the taper knob cylinder base 21 of guide post 21a as shown in fig. 7, determine
Position pin and bolt, nut are fixed on pedestal 20, and handle 22 passes through through-hole 21d connection cam 32 on taper knob cylinder base 21, fastening
Block 23 is mounted on above cam 32, and through-hole and guide post 21a clearance fit on fastening block 23,23 upper surface of fastening block is machined with half
Circular groove and 17 clearance fit of lead screw；After workpiece tilt adjustment unit process, rotational handle 22, cam 32 is pushed tightly
Gu block 23 moves up locked lead screw 17, constant tilt adjusts cell position；Guarantee in laser processing procedure, fixture tilt angles are steady
Gu reliable.
Five, locating piece 1 is mounted on workbench 6 using positioning pin 2 and countersunk bolts 3, two clamping devices 4 are distinguished
The upper left corner and the lower right corner of workbench 6 are diagonally mounted on by fixing bolt 5；The support base 4d of clamping device 4 is used
Fastening bolt 5 and nut 24 are mounted on workbench 6, and fastening spring 4c and gripping block 4a are placed sequentially in support base 4d slot
It is interior, and briquetting 4e is mounted on support base 4d using fastening screw 4b, as shown in Figure 1,3, it is flat to realize that laser inclination processing is used
The positioning of plate part clamps.
Six, reading plate 9 is mounted in right support plate 7 using fastening bolt 8, angle scale 10 is installed by fastening bolt
On right sliding shoe 14.According to design requirement, 17 screw pitch p=1mm of lead screw, 7 both ends threaded hole 7b of right support plate and dowel hole 7c
Center is away from l=90mm, when workbench 6 is when in a horizontal state, takes the center pin shaft hole 7b and keyed axis hole 7c of right support plate 7
It is h in the distance of vertical direction0=22mm.Can be obtained by formula (1), workbench 6 is when in a horizontal state, right support plate 7 with
The angle theta of horizontal direction0Are as follows:
It can be obtained by formula (2), after handwheel 12 rotates n circle, the angle theta of right support plate 7 and horizontal direction are as follows:
It can be obtained by formula (4), the inclined angle alpha of workbench 6 are as follows:
When right sliding shoe 14 is moved to lead screw center with left sliding shoe 18, at this point, in left support plate 30 and right support plate 7
Hold keyed axis hole center away from for d1=20mm, lower end pin shaft hole center is away from d2=60mm can be obtained by formula (5), right support plate 7 with
The angle maximum value θ of horizontal directionmaxAre as follows:
It is obtained by formula (6), the allowable angle of inclination α of workbench 6maxAre as follows:
αmax=θmax-θ0=103.8 ° -14.1 °=89.7 ° (12)
Therefore, it is obtained by formula (7), which can realize tilt adjustment section α are as follows:
α=[0,89.7 °] (13)
Fixture tilt adjustment section is acquired according to formula (13), scale angles of display is marked, is accurately read by registration unit
Take workbench tilt angle.
It is calculated the present invention is based on stringent geometrical relationship and cleverly structure designs, by shirtsleeve operation, it can be achieved that swashing
Light processing flat part laser machines tilt angle large-scale stepless and adjusts, and is accurately read according to clamp part geometric parameter
Inclination angle size, compared with existing chuck designs, which is calculated based on stringent geometrical relationship and cleverly structure designs,
It is full-featured, it is compact-sized, it is accurate reliable, to laser oblique incidence processing technology rule is verified there is important practical application to anticipate
Justice.
Claims (1)
1. a kind of part inclination angle large-scale stepless alignment jig, characterized in that the fixture is by positioning clamp unit, tilt adjustment list
Member, lead screw fixed cell and four part of registration unit composition；
In the positioning clamp unit, locating piece (1) is fixed on workbench by positioning pin (2) and positioning bolt (3)
(6) on；Two clamping devices (4) are diagonally mounted on the upper left corner and bottom right of workbench (6) by fixing bolt (5) respectively
Angle；There are two grooves, two fastening springs (4c) to be separately mounted in groove for processing in the support base (4d) of clamping device (4)；
Gripping block (4a) is " big " font, and head is contacted with processed flat part, and tail portion is touched with fastening spring (4c), briquetting
(4e) is fixed on support base (4d) by fastening screw (4b), guarantees gripping block (4a) elastic clamping plate zero in groove
Part；
In the tilt adjustment unit, the upper end of left support plate (30) is machined with keyed axis hole (30b), and lower end is machined with pin shaft hole
(30d) is provided with lower-left end slot (30e) among left end, upper right end slot (30f) is provided among right end；The table on left support plate (30)
It is provided in the middle part of face round rectangle through-hole (30a), side is provided with through-hole (30c)；It will be left by pin shaft hole (30d) with pin shaft (15)
Support plate (30) and left sliding shoe (18) are connected；
Connecting platform (24) is made of upper flat plate (24a) and middle plate (24e), and upper flat plate (24a) and middle plate (24e) are perpendicular；On
It is machined on plate (24a) upper screwed hole (24a), connecting platform (24) is connected by screw (25) and workbench (6)；Middle plate
Have in the middle part of (24e) positioning surface (24c), is machined with lower threaded hole (24d) on middle plate (24e)；Middle plate (24e) is inserted into left support plate
(30) it in round rectangle through-hole (30a), and is contacted by positioning surface (24c) with left support plate (30) upper surface, to limit position
It sets；The lower threaded hole (24d) that through-hole (30c) and connecting platform (24) are passed through with screw (31), connecting platform (24) is fixed on
In left support plate (30)；
The upper end of right support plate (7) is machined with keyed axis hole (7c), and lower end is machined with pin shaft hole (7b), is provided with right end among right end
Slot (7d) is provided with left end slot (7e) among left end, and the upper surface of right support plate (7) is threaded hole (7a)；With pin shaft (15)
Right support plate (7) and right sliding shoe (14) are connected by pin shaft hole (7b)；And axial position is limited by circlip A (16)；
Right support plate (7), left support plate (30) upper end pass through keyed axis hole (7c), keyed axis hole with two shaft with key way (27) respectively
(30b) is then passed through the centre bore of two gears (29) and the through-hole at connecting rod (28) both ends, makes two gear correct engagements, be used in combination
Circlip (26) limits axial position, guarantees between gear and two support plates without relative motion；
In the lead screw fixed cell, it is machined with bolt hole on right receiver (11) and left sleeve seat (19), passes through sleeve respectively
Seat bolt (13) is fixed on the left and right end of pedestal (20)；It will be mounted with the lead screw of right sliding shoe (14) Yu left sliding shoe (18)
(17) it is mounted in right receiver (11) and left sleeve seat (19) centre bore；Handwheel (12) is mounted on the right end of lead screw (17), by
Handwheel (12) drives lead screw (17) rotation；Lead screw (17) rotation while mobile right sliding shoe (14) and left sliding shoe (18), in turn
It drives right support plate (7) and left support plate (30) to rotate, realizes the inclination of workbench (6)；
Hole (21b), pin hole (21c) and through-hole (21d) are threaded on taper knob cylinder base (21), and there are two guide posts for installation
(21a)；The through-hole (21d) that handle (21) passes through taper knob cylinder base (21) is connect with cam (32)；Fastening block (23) is mounted on convex
Take turns (32) above, through-hole and guide post (21a) clearance fit on fastening block (23), fastening block (23) upper surface is machined with semicircle
Groove and lead screw (17) clearance fit, after workpiece tilt adjustment unit process, rotational handle (22), cam (32) is pushed
Fastening block (23) moves up locked lead screw (17), and constant tilt adjusts cell position；
In the registration unit, it is machined with reading hole on reading plate (9), is mounted on right support plate (7) by bolt (8)；Angle
Anale settting scale (10) is mounted on right sliding shoe (14) by bolt；
Mark angle index on scale, angular dimension range and interval by handwheel (12) rotating cycle n, lead screw (17) screw pitch p, incline
Each part geometry size of slop regulation section unit determines, take right support plate (7) both ends threaded hole (7b) and the dowel hole center (7c) away from for
L, when workbench (6) is when in a horizontal state, the pin shaft hole (7b) for taking right support plate (7) and the keyed axis hole center (7c) are perpendicular
Histogram to distance be h0, then workbench (6) is when in a horizontal state, the angle theta of right support plate (7) and horizontal direction0Are as follows:
After handwheel (12) rotation n circle, the angle theta of right support plate (7) and horizontal direction are as follows:
Since left support plate (30) and right support plate (7) are bilateral symmetry, the two rotational angle is equal in magnitude, workbench
(6) it is fixed on connecting platform (24) and left support plate (30), therefore workbench (6) and the angle of horizontal direction are equal to left support
The angle that plate (30) turns over, the i.e. inclined angle alpha of workbench (6) are as follows:
α=θ-θ0 (3)
It brings formula (1), formula (2) into formula (3), obtains the inclined angle alpha and each parametric relationship of workbench (6) are as follows:
When right sliding shoe (14) and left sliding shoe (18) are moved to lead screw center, the inclination angle of workbench (6) reaches maximum
Value；At this point, left support plate (30) and the keyed axis hole center in right support plate (7) upper end are away from for d1, lower end pin shaft hole center is away from for d2,
The angle maximum value θ of right support plate (7) and horizontal directionmaxAre as follows:
The then allowable angle of inclination α of workbench (6)maxAre as follows:
αmax=θmax-θ0 (6)
Therefore, which realizes tilt adjustment section α are as follows:
α=[0, αmax] (7)
Fixture tilt adjustment section is acquired according to formula (7), marks scale angles of display, it is flat by the accurate read work of registration unit
Platform tilt angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910495787.6A CN110280958B (en) | 2019-06-10 | 2019-06-10 | Part inclination is stepless regulation anchor clamps on a large scale |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910495787.6A CN110280958B (en) | 2019-06-10 | 2019-06-10 | Part inclination is stepless regulation anchor clamps on a large scale |
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| CN110280958A true CN110280958A (en) | 2019-09-27 |
| CN110280958B CN110280958B (en) | 2020-04-24 |
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| CN112752423A (en) * | 2020-12-17 | 2021-05-04 | 于海庆 | PCB fixing device for electronic welding processing and using method thereof |
| CN113635010A (en) * | 2021-08-12 | 2021-11-12 | 山西北方机械制造有限责任公司 | Accurate device that heels of low-angle |
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| CN113635010A (en) * | 2021-08-12 | 2021-11-12 | 山西北方机械制造有限责任公司 | Accurate device that heels of low-angle |
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