CN108788810B - Rotary positioning device for valve body mounting surface machining - Google Patents

Rotary positioning device for valve body mounting surface machining Download PDF

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Publication number
CN108788810B
CN108788810B CN201810422615.1A CN201810422615A CN108788810B CN 108788810 B CN108788810 B CN 108788810B CN 201810422615 A CN201810422615 A CN 201810422615A CN 108788810 B CN108788810 B CN 108788810B
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China
Prior art keywords
gear
clamping
rack
valve
driving
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Active
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CN201810422615.1A
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Chinese (zh)
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CN108788810A (en
Inventor
鲁明
鲁传玉
鲁俊
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Wuhu Jienuo Technology Co Ltd
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Wuhu Jienuo Technology Co Ltd
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Publication of CN108788810A publication Critical patent/CN108788810A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material

Abstract

The invention relates to a rotary positioning device for processing a valve body mounting surface, which comprises a mounting frame, a rotary clamping table rotationally connected to the mounting frame, a lifting support table matched with the rotary clamping table and used for fixing a valve body, and a driving mechanism connected with the rotary clamping table and the lifting support table; the driving mechanism comprises a first gear, a second gear, a driving gear, a servo motor, a driven bevel gear, a driving bevel gear, a plurality of screw sleeves, a screw and a belt transmission mechanism; the rotary clamping table comprises a rotary plate, a double-head screw rod, a guide rod, a motor, two clamping plates and a pressing block. The invention can quickly replace and clamp the coaxially distributed mounting surface on the valve body in a turnover mode, thereby saving manual disassembly and clamping, simplifying operation steps, reducing the labor capacity of workers, improving clamping efficiency, and ensuring high clamping precision and accurate positioning of the valve body.

Description

Rotary positioning device for valve body mounting surface machining
Technical Field
The invention relates to the technical field of valve processing machinery, in particular to a rotary positioning device for processing a valve body mounting surface.
Background
As is well known, a valve body includes a plurality of mounting surfaces, such as a three-way valve and a four-way valve, due to its structure. In the course of working, after a installation face drilling is accomplished, need the artifical installation face of dismantling to change the clamping again, because the valve body is bulky and heavy, the operation process is loaded down with trivial details, therefore workman intensity of labour is big, the clamping is efficient, the production progress of greatly reduced valve body, simultaneously, when the clamping again, still can increase positioning error, influences the drilling precision of valve body.
Disclosure of Invention
In order to avoid and solve the technical problem, the invention provides a rotary positioning device for machining a valve body mounting surface.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
the utility model provides a rotation type positioner of valve body installation face processing, includes the mounting bracket, still includes the rotatory clamping platform of rotation connection on the mounting bracket, with rotatory clamping platform cooperation and be used for fixed valve body lift supporting bench, with rotatory clamping platform and the continuous actuating mechanism of lift supporting bench.
The driving mechanism comprises a first gear connected with a rotating shaft of the rotary clamping table, a second gear connected to the mounting frame, a driving gear matched with the first gear and the second gear, a servo motor connected with the driving gear, a driven bevel gear coaxially connected to the second gear, a driving bevel gear meshed with the driven bevel gear, a plurality of thread sleeves uniformly distributed at the bottom of the lifting support table, a screw matched with the thread sleeves, and a belt transmission mechanism for connecting the screw and the driving bevel gear.
As a further improvement of the invention, the two screw sleeves and the two screws are matched in a one-to-one correspondence manner.
As a further improvement of the invention, the rotary clamping table comprises a rotary plate, a double-head screw rod and a guide rod which are connected to the rotary plate and distributed in parallel, a motor connected to the double-head screw rod, two clamping plates arranged on the double-head screw rod and the guide rod, and a pressing block fixed on the clamping plates and arranged close to the support table. The pressing block is wavy.
As a further improvement of the invention, the driving gear comprises a circular disc, an outer rack and an inner rack which are connected to the circular disc and respectively matched with the second gear, and a short rack which is positioned between the outer rack and the inner rack and matched with the first gear, wherein the outer rack and the inner rack are distributed at two radial ends of the circular disc, and the short rack and the outer rack are distributed in layers along the axial direction of the circular disc.
As a further improvement of the invention, the length of the short rack is half of the perimeter of the first gear.
The invention has the beneficial effects that:
the clamping device is reasonable in structural design, can quickly clamp the coaxially distributed mounting surface on the valve body in a turnover mode, saves manual disassembly and clamping, simplifies operation steps, reduces labor capacity of workers, improves clamping efficiency, and ensures high clamping precision and accurate positioning of the valve body.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural composition of the present invention;
FIG. 2 is a left side view of the present invention;
fig. 3 is a schematic structural view of the driving gear in the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below.
As shown in fig. 1 to 3, the rotary positioning device for processing the valve body mounting surface comprises a mounting frame 1, a rotary clamping table 2 rotatably connected to the mounting frame 1, a lifting support table 3 matched with the rotary clamping table 2 and used for fixing the valve body, and a driving mechanism 4 connected with the rotary clamping table 2 and the lifting support table 3.
The driving mechanism 4 comprises a first gear 41 connected with a rotating shaft of the rotary clamping table 2, a second gear 42 connected on the mounting frame 1, a driving gear 43 matched with the first gear 41 and the second gear 42, a servo motor 44 connected with the driving gear 43, a driven bevel gear 44 coaxially connected on the second gear 42, a driving bevel gear 46 meshed with the driven bevel gear 44, a plurality of threaded sleeves 47 uniformly distributed at the bottom of the lifting support table 3, a screw 48 matched with the threaded sleeves 47, and a belt transmission mechanism 49 connected with the screw 48 and the driving bevel gear 46.
The threaded sleeves 47 and the threaded rods 48 are both two and are matched in a one-to-one correspondence manner.
The rotary clamping table 2 comprises a rotary plate 21, a double-head screw 22 and a guide rod 23 which are connected to the rotary plate 21 and distributed in parallel, a motor 24 connected to the double-head screw 22, two clamping plates 25 mounted on the double-head screw 22 and the guide rod 23, and a pressing block 26 fixed on the clamping plates 25 and arranged close to the support table 3. The pressing block 26 is wavy.
The drive gear 43 comprises a disc 431, an outer rack 432 and an inner rack 433 which are connected to the disc 431 and respectively matched with the second gear 42, and a short rack 434 which is located between the outer rack 432 and the inner rack 433 and matched with the first gear 41, wherein the outer rack 432 and the inner rack 433 are distributed at two radial ends of the disc 431, and the short rack 434 and the outer rack 432 are distributed in layers along the axial direction of the disc.
The length of the short rack 434 is half of the circumference of the first gear 41. In this manner, it is ensured that the rotary plate 21 is rotated 180 degrees when the short rack 434 is engaged with the first gear 41.
The method of use of the present invention is further illustrated below:
one of the mounting surfaces of the valve body which are distributed coaxially is placed on the lifting support platform 3, the motor 24 drives the double-head screw rod 22 to rotate, so that the two clamping plates 25 are close to each other along the guide rod 23, and the valve body is clamped under the action of the pressing block 26.
After one mounting surface of the valve body is machined, the driving gear 43 rotates anticlockwise, the outer toothed bar 432 is meshed with the second gear 42, the second gear 42 is marked to rotate forwards to drive the driving bevel gear 46 to rotate, the driving bevel gear 46 is meshed with the driven bevel gear 45, the screw rod 48 is driven to rotate under the action of the belt transmission mechanism 49, and the lifting support platform 3 descends under the matching of the threaded sleeve 47 and the screw rod 48; the disc 431 continues to rotate, the outer rack 432 is separated from and meshed with the second gear 42, the short rack 434 is meshed with the first gear 41 to drive the rotary clamping table 2 to turn over for 180 degrees, finally, the short rack 434 is separated from and meshed with the first gear 41, the inner rack 433 is meshed with the second gear 42 to enable the second gear 42 to rotate reversely, and finally, the lifting support table 3 is lifted to support the lower side of the turned valve body to fix the valve body.
And operating external drilling equipment to continuously drill the mounting surface on the upper side of the overturned valve body.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (2)

1. The utility model provides a rotation type positioner of valve body installation face processing, includes mounting bracket (1), its characterized in that: the valve body fixing device also comprises a rotary clamping table (2) rotationally connected to the mounting frame (1), a lifting support table (3) matched with the rotary clamping table (2) and used for fixing the valve body, and a driving mechanism (4) connected with the rotary clamping table (2) and the lifting support table (3);
the driving mechanism (4) comprises a first gear (41) connected with a rotating shaft of the rotary clamping table (2), a second gear (42) connected to the mounting frame (1), a driving gear (43) matched with the first gear (41) and the second gear (42), a servo motor (44) connected with the driving gear (43), a driven bevel gear (44) coaxially connected to the second gear (42), a driving bevel gear (46) meshed with the driven bevel gear (44), a plurality of screw sleeves (47) uniformly distributed at the bottom of the lifting support table (3), a screw rod (48) matched with the screw sleeves (47), a belt transmission mechanism (49) connected with the screw rod (48) and the driving bevel gear (46), and the driving gear (43) comprises a disc (431), an outer rack (432) and an inner rack (433) which are connected to the disc (431) and respectively matched with the second gear (42), wherein, The short rack (434) is located between outer rack (432) and internal rack (433) and with a gear (41) adaptation, outer rack (432) and internal rack (433) distribute at disc (431) radial both ends, short rack (434) and external rack (432) are the layer distribution along the axial of disc, the length of short rack (434) is half of a gear (41) girth.
2. The rotary positioning device for machining the valve body mounting surface according to claim 1, wherein: the rotary clamping table (2) comprises a rotary plate (21), a double-head screw rod (22) and a guide rod (23) which are connected to the rotary plate (21) and distributed in parallel, a motor (24) connected to the double-head screw rod (22), two clamping plates (25) installed on the double-head screw rod (22) and the guide rod (23), and a pressing block (26) which is fixed on the clamping plates (25) and is close to the supporting table (3).
CN201810422615.1A 2018-05-05 2018-05-05 Rotary positioning device for valve body mounting surface machining Active CN108788810B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810422615.1A CN108788810B (en) 2018-05-05 2018-05-05 Rotary positioning device for valve body mounting surface machining

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810422615.1A CN108788810B (en) 2018-05-05 2018-05-05 Rotary positioning device for valve body mounting surface machining

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CN108788810A CN108788810A (en) 2018-11-13
CN108788810B true CN108788810B (en) 2020-09-15

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111390759A (en) * 2020-04-10 2020-07-10 芜湖市久强轴承制造有限公司 Overturning type positioning and supporting device for bearing machining and manufacturing and using method thereof

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CN101774132B (en) * 2010-04-02 2012-01-25 江苏汤臣汽车零部件有限公司 Reducer shell-drilling-and-tapping turnover jig
KR20120004643A (en) * 2010-07-07 2012-01-13 현대중공업 주식회사 Turn over apparatus for heavyweight object
CN102371500A (en) * 2010-08-12 2012-03-14 西安轨道交通装备有限责任公司 Steering frame tilter for passenger car
KR20120040994A (en) * 2010-10-20 2012-04-30 현대중공업 주식회사 Auxiliary jig for combining engine and transmission
CN202592060U (en) * 2012-03-19 2012-12-12 常州机电职业技术学院 Ball valve core clamping device
JP6298294B2 (en) * 2013-12-12 2018-03-20 株式会社コスメック Cylinder device
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CN104440221B (en) * 2014-11-12 2016-09-28 桐乡胜辉精密机械有限公司 Rotary apparatus fixed by a kind of workpiece
CN204308631U (en) * 2014-12-19 2015-05-06 苏州福润机械有限公司 The frock clamp of processing gate valve body
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