CN114851104A - High-precision angle deflection device - Google Patents

High-precision angle deflection device Download PDF

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Publication number
CN114851104A
CN114851104A CN202210397962.XA CN202210397962A CN114851104A CN 114851104 A CN114851104 A CN 114851104A CN 202210397962 A CN202210397962 A CN 202210397962A CN 114851104 A CN114851104 A CN 114851104A
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China
Prior art keywords
positioning plate
rotating disc
positioning
pin
fan
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Pending
Application number
CN202210397962.XA
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Chinese (zh)
Inventor
刘欣玉
潘露
徐亮
宋粲粲
包顺华
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Anhui Technical College of Mechanical and Electrical Engineering
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Anhui Technical College of Mechanical and Electrical Engineering
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Priority to CN202210397962.XA priority Critical patent/CN114851104A/en
Publication of CN114851104A publication Critical patent/CN114851104A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)

Abstract

The invention discloses a high-precision angle deflection device which comprises a rotating disc, a fan-shaped positioning plate, a positioning plate central shaft and a deflection angle assembly, wherein the fan-shaped positioning plate is positioned above the rotating disc, the deflection angle assembly is arranged above the fan-shaped positioning plate, the rotating disc is provided with a rotating disc central through hole and more than 12 uniformly distributed rotating disc reference pin holes positioned on a concentric circle, the positioning plate central shaft penetrates through the rotating disc central through hole, the fan-shaped positioning plate consists of a positioning plate extending part and a fan-shaped positioning plate body, the positioning plate central shaft is positioned below the middle part of the positioning plate extending part, the fan-shaped positioning plate body is provided with a positioning plate waist round hole and a positioning plate reference pin hole, and the rotating disc reference pin hole can be seen in the positioning plate waist round hole when the rotating disc rotates around the positioning plate central shaft. The high-precision angle deflection device adopts the structure, so that the precision of the deflection angle is greatly improved, and the simple structure can meet the requirement of precision machining parts.

Description

High-precision angle deflection device
Technical Field
The invention relates to precision manufacturing, in particular to a high-precision angle deflection device.
Background
The object and the part of the precision finishing of manufacturing industry, and the high quality apparatus in the medical care field all require to improve accuracy and quality, this needs the equipment of the expensive high specification, but the workstation of prior art deflection angle includes lower platen, the circular foundatin plate of second, first circular foundatin plate, goes up platen and deflection angle locating component, the circular foundatin plate of second and lower platen rigid coupling, go up platen and first circular foundatin plate rigid coupling, the circular foundatin plate of second center pin that stretches out has, first circular foundatin plate arrange in on the circular foundatin plate of second, first circular foundatin plate rotate around the center pin of the circular foundatin plate of second, deflection angle locating component includes first V type piece, second V type piece, first step locating pin, second step locating pin, standard cuboid block group. At present, no high-precision angle deflection device exists, the precision of a deflection angle can be greatly improved, and the high-precision angle deflection device is simple in structure and low in cost.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the high-precision angle deflection device has the advantages that the precision of a deflection angle can be greatly improved, the structure is simple, and the cost is low.
To solve the technical problem, the technical scheme of the invention is as follows: the utility model provides a high accuracy angle deflection device, its includes rolling disc, fan-shaped locating plate, locating plate center pin and deflection angle subassembly, fan-shaped locating plate be located the rolling disc top, deflection angle subassembly arrange fan-shaped locating plate top in, the rolling disc on be provided with rolling disc center through-hole and be located the rolling disc benchmark pinhole of the more than 12 equipartitions on the concentric circles, the locating plate center pin passes rolling disc center through-hole, fan-shaped locating plate comprises locating plate extension and fan-shaped locating plate body, the locating plate center pin be located locating plate extension middle part below, fan-shaped locating plate body locating plate waist round hole and a locating plate benchmark pinhole have, the downthehole visible rolling disc benchmark pinhole of locating plate waist round hole when the rolling disc rotates round locating plate center pin line.
The rotating disc is provided with a rotating disc body, the rotating disc body is provided with 24 uniformly distributed rotating disc reference pin holes which are positioned on concentric circles, a rotating disc center through hole is formed in the middle of the rotating disc body, the upper surface of the rotating disc body is provided with an initial pin hole mark and an angle mark of the rotating disc reference pin hole, the initial pin hole mark is initial 0 degree, and the angle mark of the rotating disc reference pin hole is increased anticlockwise through a 30-degree arithmetic progression.
The radius of the fan-shaped positioning plate body is smaller than that of the rotating disc.
The deflection angle assembly consists of a first positioning pin assembly, a cuboid standard block assembly and a second positioning pin assembly, the first positioning pin assembly is provided with a first positioning pin body and a first positioning pin standard block integrated with the first positioning pin body, and the first positioning pin standard block is provided with an arc-shaped end face of the first positioning pin standard block; the second positioning pin assembly is provided with a second positioning pin body and a second positioning pin standard block integrated with the second positioning pin body, the second positioning pin standard block is provided with an arc-shaped end face of the second positioning pin standard block, when the deflection angle assembly is used, the second positioning pin body penetrates through the positioning plate waist circular hole to be matched with the rotating disc reference pin hole, the first positioning pin body is inserted into the unique positioning plate reference pin hole, and the cuboid standard block assembly is located between the first positioning pin assembly and the second positioning pin assembly.
The numerical value of cuboid standard block subassembly be zero, first locating pin standard block arc terminal surface and second locating pin standard block arc terminal surface line contact, the isosceles triangle contained angle of the time fan-shaped locating plate centre of a circle, first locating pin body central point, second locating pin body central point constitution is 30.
The edge of the rotating disc is provided with a handle for holding.
The high-precision angle deflection device adopts the structure, the total length required by the cuboid standard block is calculated by utilizing the cosine law according to the deflection angle value required, the precision of the deflection angle can be greatly improved, the simple structure can adapt to the requirement of a precision machining piece, and the work which can be realized only by precision equipment in the prior art is finished with low cost.
Drawings
The high-precision angle deflection device of the present invention will be further described in detail with reference to the accompanying drawings;
FIG. 1 is a schematic structural diagram of a high-precision angle deflection apparatus according to the present invention;
FIG. 2 is a schematic view of the second locating pin assembly shown in FIG. 1;
FIG. 3 is a schematic view of the first alignment pin assembly shown in FIG. 1;
FIG. 4 is a schematic view of the rotary disk structure shown in FIG. 1;
FIG. 5 is a schematic diagram of the structure of the sector positioning plate shown in FIG. 1;
in the figure, 1, a first positioning pin assembly; 2. a second locating pin assembly; 3. rotating the disc; 4. a cuboid standard block assembly; 5. a fan-shaped positioning plate; 6. a central shaft of the positioning plate; 7. a second locating pin body; 8. a second locating pin standard block; 9. the arc-shaped end face of the second positioning pin standard block; 10. a first locating pin body; 11. a first locating pin standard block; 12. the arc-shaped end face of the first positioning pin standard block; 14. a rotating disk body; 15. a rotating disc reference pin hole; 16. an initial pin hole; 17. marking an initial pin hole; 18. a central through hole of the rotating disc; 19. a waist circular hole of the positioning plate; 20. A fan-shaped positioning plate body; 21. an extension of the positioning plate.
Detailed Description
As shown in fig. 1, 2, 3, 4 and 5, the high-precision angle deflection device of the present invention includes a rotating disc 3, a sector positioning plate 5, a positioning plate central shaft 6 and a deflection angle assembly, wherein the sector positioning plate 5 is located above the rotating disc 3, the deflection angle assembly is located above the sector positioning plate 5, and the rotating disc 3 rotates around the central shaft 6 of the positioning plate.
The rotating disc 3 is provided with a rotating disc body 14, the rotating disc body 14 is provided with 24 uniformly distributed rotating disc reference pin holes 15 which are positioned on a concentric circle, the middle part of the rotating disc body 14 is provided with a rotating disc central through hole 18, initial pin holes 16 are arranged in the rotating disc reference pin holes 15, the upper surface of the rotating disc body 14 is provided with initial pin hole marks 17 and angle marks of the rotating disc reference pin holes 15, the initial pin hole marks 17 are initial 0 degree, and the angle marks of the rotating disc reference pin holes 15 are increased anticlockwise in 15-degree arithmetic progression.
The fan-shaped positioning plate 2 is composed of a positioning plate extending portion 21 and a fan-shaped positioning plate body 20, the positioning plate central shaft 6 is located in the middle of the positioning plate extending portion 21, the fan-shaped positioning plate body 20 is provided with a positioning plate reference pin hole (not shown in the figure) and a positioning plate waist round hole 19, the positioning plate reference pin hole is located at the edge of the fan-shaped positioning plate body 20, different rotating disc reference pin holes 15 can be seen in the positioning plate waist round hole 19 when the rotating disc 3 rotates, and the radius of the fan-shaped positioning plate body 20 is smaller than that of the rotating disc 3.
The deflection angle assembly consists of a first positioning pin assembly 1, a cuboid standard block assembly 4 and a second positioning pin assembly 2, wherein the first positioning pin assembly 1 is provided with a first positioning pin body 10 and a first positioning pin standard block 11 integrated with the first positioning pin body 10, and the first positioning pin standard block 11 is provided with a first positioning pin standard block arc-shaped end face 12; the second positioning pin assembly 2 has a second positioning pin body 7, and a second positioning pin standard block 8 integrated with the second positioning pin body 7, and the second positioning pin standard block 8 has a second positioning pin standard block arc-shaped end surface 9. When the deflection angle subassembly uses, second locating pin body 7 passes locating plate waist round hole 19 and rolling disc benchmark pinhole 15 adaptation, first locating pin body 10 injects only locating plate benchmark pinhole (not shown in the figure), cuboid standard block subassembly 4 is located between first locating pin assembly 1 and the second locating pin assembly 2, cuboid standard block subassembly has the numerical value and is 1mm, 2mm, 3mm, 4mm, 5mm, 10mm, 15mm and 20 mm's cuboid standard block, cuboid standard block subassembly can be used as required in a combined manner. The precision of the cuboid standard block is improved, and the precision of the deflection angle can be improved.
For convenient operation, the edge of the rotating disk can be provided with a handle for holding.
Fig. 4 shows the angular deflection adjustment of 47.5 °, which is expressed by the cosine equation c =
Figure DEST_PATH_IMAGE001
Thereby determining the total length required by the cuboid standard block, the circle center of the fan-shaped positioning plate, the central point of the first positioning pin body 10 and the central point of the second positioning pin body 7 form an isosceles triangle, the circle center of the fan-shaped positioning plate is the central point of the central shaft of the positioning plate, and c is the central point of the first positioning pin bodyThe distance between the center point of the positioning pin body 10 and the center point of the second positioning pin body 7, a is the distance between the center point of the second stepped positioning pin body 7 and the center of the circle of the fan-shaped positioning plate, and theta is the included angle of the isosceles triangle. The 47.5-degree specific operation of the angular deflection adjustment is that the initial pin hole mark 17 of the rotating disc 3 in the initial state is located at the first positioning pin body 10 of the fan-shaped positioning plate 5, that is, the center line of the rotating disc reference pin hole 15 corresponding to the 0-degree angle mark of the rotating disc 3 coincides with the center line of the positioning plate reference pin hole of the fan-shaped positioning plate 2, the rotating disc 3 is rotated clockwise, the second positioning pin body 7 is inserted into the rotating disc reference pin hole 15 corresponding to the 0-degree angle mark of the rotating disc 3 through the positioning plate waist circular hole 19, and fig. 4 shows that the rotating disc 3 rotates 47.5 degrees clockwise.
The angle deflection is selected to be between 30 degrees and 60 degrees on the fan-shaped positioning plate, when the numerical value of the cuboid standard block is zero, the arc-shaped end face 12 of the first positioning pin standard block is in line contact with the arc-shaped end face 9 of the second positioning pin standard block, and the angle deflection is 30 degrees. The rotating disc 3 rotates clockwise, for example, the second positioning pin body 7 passes through the positioning plate waist circular hole 19 and is inserted into the corresponding rotating disc reference pin hole 15 with 120 ° angular marks, the sector positioning plate is angularly deflected by 47.5 °, and then the rotating disc 3 is angularly deflected by 167.5 ° clockwise relative to the initial state.
The high-precision angle deflection device adopts the structure, the total length required by the cuboid standard block is calculated by utilizing the cosine law according to the deflection angle value required, so that the precision of the deflection angle is greatly improved, the simple structure can adapt to the requirement of a precision machining part, and the work which can be realized only by precision equipment in the prior art is finished with low cost.

Claims (6)

1. A high-precision angle deflection device is characterized in that: the novel rotary plate comprises a rotary plate, a fan-shaped positioning plate, a positioning plate central shaft and a deflection angle assembly, wherein the fan-shaped positioning plate is positioned above the rotary plate, the deflection angle assembly is arranged above the fan-shaped positioning plate, the rotary plate is provided with a rotary plate central through hole and rotary plate reference pin holes uniformly distributed on more than 12 concentric circles, the positioning plate central shaft penetrates through the rotary plate central through hole, the fan-shaped positioning plate comprises a positioning plate extending part and a fan-shaped positioning plate body, the positioning plate central shaft is positioned below the middle part of the positioning plate extending part, the fan-shaped positioning plate body is provided with a positioning plate waist circular hole and a positioning plate reference pin hole, and the rotary plate waist circular hole is internally provided with a visible rotary plate reference pin hole when the rotary plate rotates around the central line of the positioning plate central shaft.
2. The high precision angular deflection device of claim 1, wherein: the rotating disc is provided with a rotating disc body, the rotating disc body is provided with 24 uniformly distributed rotating disc reference pin holes which are positioned on concentric circles, a rotating disc center through hole is formed in the middle of the rotating disc body, the upper surface of the rotating disc body is provided with an initial pin hole mark and an angle mark of the rotating disc reference pin hole, the initial pin hole mark is initial 0 degree, and the angle mark of the rotating disc reference pin hole is increased anticlockwise through a 30-degree arithmetic progression.
3. A high precision angular deflection device according to claim 2, characterized in that: the radius of the fan-shaped positioning plate body is smaller than that of the rotating disc.
4. A high precision angular deflection apparatus according to claim 1, 2 or 3, characterized in that: the deflection angle assembly consists of a first positioning pin assembly, a cuboid standard block assembly and a second positioning pin assembly, the first positioning pin assembly is provided with a first positioning pin body and a first positioning pin standard block integrated with the first positioning pin body, and the first positioning pin standard block is provided with an arc-shaped end face of the first positioning pin standard block; the second positioning pin assembly is provided with a second positioning pin body and a second positioning pin standard block integrated with the second positioning pin body, the second positioning pin standard block is provided with an arc-shaped end face of the second positioning pin standard block, when the deflection angle assembly is used, the second positioning pin body penetrates through the positioning plate waist circular hole to be matched with the rotating disc reference pin hole, the first positioning pin body is inserted into the unique positioning plate reference pin hole, and the cuboid standard block assembly is located between the first positioning pin assembly and the second positioning pin assembly.
5. The high precision angular deflection device of claim 4, wherein: the numerical value of cuboid standard block subassembly be zero, first locating pin standard block arc terminal surface and second locating pin standard block arc terminal surface line contact, the isosceles triangle contained angle of the time fan-shaped locating plate centre of a circle, first locating pin body central point, second locating pin body central point constitution is 30.
6. The high precision angular deflection device of claim 5, wherein: the edge of the rotating disc is provided with a handle for holding.
CN202210397962.XA 2022-04-16 2022-04-16 High-precision angle deflection device Pending CN114851104A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2005100003A4 (en) * 2005-01-04 2005-02-03 Nedful Products Co., Ltd Angle adjustable sawing table
CN102000993A (en) * 2010-10-25 2011-04-06 四川成飞集成科技股份有限公司 Variable-angle rotary worktable
CN105179133A (en) * 2015-10-30 2015-12-23 广西玉柴机器股份有限公司 Fuel injection advance angle assembling tool of diesel engine fuel injector
CN108818019A (en) * 2018-07-13 2018-11-16 安徽机电职业技术学院 A kind of numerically-controlled machine tool processing angular deflection adjustment positioning component
CN108907755A (en) * 2018-07-23 2018-11-30 徐静媛 A kind of workbench of deflectable angle
CN108972045A (en) * 2018-07-13 2018-12-11 安徽机电职业技术学院 Numerically-controlled machine tool processing adjusts built-up jig and its application method with straight-line dimension
CN212658235U (en) * 2020-08-18 2021-03-05 天津航天机电设备研究所 Small-sized bearing deflection angle measuring device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2005100003A4 (en) * 2005-01-04 2005-02-03 Nedful Products Co., Ltd Angle adjustable sawing table
CN102000993A (en) * 2010-10-25 2011-04-06 四川成飞集成科技股份有限公司 Variable-angle rotary worktable
CN105179133A (en) * 2015-10-30 2015-12-23 广西玉柴机器股份有限公司 Fuel injection advance angle assembling tool of diesel engine fuel injector
CN108818019A (en) * 2018-07-13 2018-11-16 安徽机电职业技术学院 A kind of numerically-controlled machine tool processing angular deflection adjustment positioning component
CN108972045A (en) * 2018-07-13 2018-12-11 安徽机电职业技术学院 Numerically-controlled machine tool processing adjusts built-up jig and its application method with straight-line dimension
CN108907755A (en) * 2018-07-23 2018-11-30 徐静媛 A kind of workbench of deflectable angle
CN212658235U (en) * 2020-08-18 2021-03-05 天津航天机电设备研究所 Small-sized bearing deflection angle measuring device

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