CN112025578B - Grooved wheel machining clamp and grooved wheel machining method - Google Patents
Grooved wheel machining clamp and grooved wheel machining method Download PDFInfo
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- CN112025578B CN112025578B CN202010857852.8A CN202010857852A CN112025578B CN 112025578 B CN112025578 B CN 112025578B CN 202010857852 A CN202010857852 A CN 202010857852A CN 112025578 B CN112025578 B CN 112025578B
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- positioning
- sheave
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- rotating shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work 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)
- Pulleys (AREA)
Abstract
The invention relates to the technical field of machining, and discloses a grooved pulley machining clamp and a grooved pulley machining method, wherein the grooved pulley machining clamp comprises the following steps: the device comprises a base plate, a positioning platform column, a positioning groove, a grooved pulley and a crank, wherein the base plate is provided with a mounting groove and a positioning strip, the mounting groove is internally provided with the positioning platform column, the positioning platform column is provided with a positioning hole, one end of a rotating shaft of the grooved pulley is sleeved on the positioning platform column, and a rack and the crank of the grooved pulley are clamped on the positioning strip; the pressing block is provided with a connecting hole and abuts against the other end of the rotating shaft; and one end of the connecting piece is connected to the connecting hole, and the other end of the connecting piece is connected to the positioning hole, so that the rotating shaft is pressed on the groove bottom of the mounting groove. Through the structure, the machining clamp of the grooved wheel is stable in clamping the grooved wheel, the grooved wheel is not easy to fall off, and the machining efficiency of the grooved wheel is improved.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a grooved pulley machining clamp and a grooved pulley machining method.
Background
At present, with the rapid development of the aviation industry, an airplane gradually becomes an essential vehicle in people's lives. The parts forming the airplane are various, and with the development of science and technology, part of the parts are produced by adopting a 3D printing technology. In general, parts produced by 3D printing technology cannot be directly assembled for use, and further machining is required to improve the surface accuracy thereof.
Generally, when a part is machined, a workpiece to be machined needs to be clamped and fixed by a clamp, and then the workpiece is machined subsequently to improve the surface accuracy of the workpiece. The grooved pulley which is an important part of the airplane cabin door has a complex shape due to the structures of a crank, a frame and the like, and has the problems of inconvenient positioning, easy falling off from a positioning part after positioning, forced processing stagnation, influence on processing efficiency and the like when clamping, installing and positioning the grooved pulley.
Disclosure of Invention
The invention aims to provide a grooved wheel machining clamp which is stable in clamping of a grooved wheel, the grooved wheel is not easy to fall off, and the grooved wheel machining efficiency is improved.
In order to achieve the purpose, the invention adopts the following technical scheme:
a sheave machining fixture comprises: the base plate is provided with a mounting groove and a positioning strip, a positioning table column is arranged in the mounting groove, a positioning hole is formed in the positioning table column, one end of a rotating shaft of the grooved pulley can be sleeved on the positioning table column, and a rack and a crank of the grooved pulley can be clamped on the positioning strip; the pressing block is provided with a connecting hole and abuts against the other end of the rotating shaft; and one end of the connecting piece is connected with the connecting hole, the other end of the connecting piece is connected with the positioning hole, and the rotating shaft can be pressed on the bottom of the mounting groove by the connecting piece.
As a preferable scheme of the machining clamp for the grooved pulley, the positioning strip comprises a first positioning strip, and the crank can be clamped on the first positioning strip.
As a preferable scheme of the machining clamp for the grooved pulley, the positioning strip comprises a second positioning strip, and the machine frame can be clamped on the second positioning strip.
As a preferable scheme of the sheave machining clamp, a positioning pin is arranged on the first positioning strip and is inserted into a rotating hole of the crank.
As a preferable scheme of the sheave machining clamp, the connecting piece is a bolt, the positioning hole is a threaded hole, a screw of the bolt penetrates through the connecting hole and is connected to the positioning hole, and a bolt head of the bolt abuts against the pressing block.
As a preferable scheme of the machining clamp for the sheave, the connecting hole is provided as a stepped hole, and the bolt head is located in the large-diameter section of the stepped hole and abuts against the step surface of the stepped hole.
As a preferable scheme of the machining clamp of the sheave, the height of the positioning table column is set to be equal to the depth of the installation groove.
As a preferable mode of the machining jig for the sheave, the mounting groove includes an insertion groove, a cross-sectional shape of the insertion groove is set to be circular, and a diameter of the insertion groove is larger than a diameter of the rotating shaft.
As a preferable scheme of the machining clamp for the sheave, the mounting groove further comprises a lightening groove, and the lightening groove is communicated with the insertion groove.
Another object of the present invention is to provide a method for machining a sheave, which has high machining efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme:
a sheave processing method comprises the following steps:
manufacturing a grooved pulley through 3D printing to obtain a blank of the grooved pulley;
sleeving one end of a rotating shaft of the blank of the grooved pulley on a positioning table column, and clamping a rack and a crank of the blank of the grooved pulley on a positioning strip;
the pressing block is abutted against the other end of the rotating shaft through a connecting piece so as to clamp the blank of the grooved pulley on the machining clamp of the grooved pulley;
and processing the surface to be processed of the blank of the grooved pulley.
The invention has the beneficial effects that:
the invention provides a grooved pulley machining clamp which comprises a bottom plate, a pressing block and a connecting piece, wherein a mounting groove and a positioning strip are formed in the bottom plate, a positioning table column is arranged in the mounting groove, a positioning hole is formed in the positioning table column, one end of a rotating shaft of a grooved pulley can be sleeved on the positioning table column, a rack and a crank of the grooved pulley can be clamped on the positioning strip, one end of the connecting piece is connected to a connecting hole of the pressing block, and the other end of the connecting piece is connected to the positioning hole, so that the rotating shaft of the grooved pulley is pressed and sleeved on the positioning table column through the pressing block, and clamping and positioning of the grooved pulley are realized. Through the structure, the grooved wheel is stably clamped by the grooved wheel machining clamp, and the grooved wheel is not easy to fall off from the grooved wheel machining clamp in subsequent machining, so that the grooved wheel machining efficiency is improved.
The invention also provides a sheave machining method which clamps and positions the blank of the sheave by using the sheave machining clamp in the scheme, so that the blank of the sheave is not easy to fall off in the machining process, and the machining efficiency is high.
Drawings
Fig. 1 is an exploded view of a machining fixture for a sheave provided in an embodiment of the present invention when clamping the sheave;
fig. 2 is a schematic structural diagram of a base plate of a sheave machining fixture according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a pressing block of a machining fixture for a sheave according to an embodiment of the present invention.
In the figure:
1. a base plate; 11. mounting grooves; 111. inserting the groove; 112. a weight reduction groove; 12. a positioning bar; 121. a first positioning bar; 1211. positioning pins; 122. a second positioning bar; 13. positioning the table column; 131. positioning holes; 2. pressing into blocks; 21. connecting holes; 3. a connecting member; 100. a sheave; 101. a rotating shaft; 102. a frame; 103. a crank.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the sheave machining clamp provided by the invention is further described by the specific embodiment in combination with the attached drawings.
The invention provides a machining clamp of a grooved pulley, as shown in fig. 1, the machining clamp of the grooved pulley is used for clamping the grooved pulley 100 to machine a surface to be machined on the grooved pulley 100, the machining clamp of the grooved pulley comprises a bottom plate 1, a pressing block 2 and a connecting piece 3, and the connecting piece 3 can press the grooved pulley 100 on the bottom plate 1 through the pressing block 2 to clamp and position the grooved pulley 100. The machining clamp of the grooved pulley is stable in clamping the grooved pulley 100, the grooved pulley 100 can not easily fall off from the machining clamp of the grooved pulley in subsequent machining, and the machining efficiency of the grooved pulley 100 is improved.
As shown in fig. 2, in the present embodiment, a mounting groove 11 and a positioning bar 12 are disposed on the bottom plate 1, the mounting groove 11 is formed for removing materials, a positioning pillar 13 is disposed in the mounting groove 11, that is, the positioning pillar 13 is disposed in the mounting groove 11, one end of a rotating shaft 101 of the sheave 100 can be sleeved on the positioning pillar 13 and abut against a groove bottom of the mounting groove 11, and a frame 102 and a crank 103 of the sheave 100 can be clamped on the positioning bar 12, so that the sheave 100 can be prevented from relatively rotating or moving on the bottom plate 1, and the sheave 100 can be positioned relative to the bottom plate 1.
Preferably, the height of the positioning table post 13 is set to be equal to the depth of the installation groove 11, so that the positioning table post 13 can be inserted into the rotating shaft 101 to a sufficient depth, the rotating shaft 101 is not easy to fall off from the positioning table post 13, and the improvement of the stability of clamping the sheave 100 is facilitated.
Preferably, the positioning bar 12 comprises a first positioning bar 121, and the crank 103 can be clamped on the first positioning bar 121; the positioning bar 12 further comprises a second positioning bar 122, the frame 102 can be clamped on the second positioning bar 122, so that both the frame 102 and the crank 103 of the sheave 100 can be clamped on the positioning bar 12, and the sheave 100 is firmly positioned relative to the base plate 1.
More preferably, the first positioning bar 121 is provided with a positioning pin 1211, and the positioning pin 1211 is used for being inserted into a rotation hole of the crank 103, so as to further position the crank 103, and further prevent the sheave 100 from rotating or moving on the base plate 1.
In this embodiment, the mounting groove 11 includes an insertion groove 111, the cross-sectional shape of the insertion groove 111 is set to be circular, and the diameter of the insertion groove 111 is set to be larger than that of the rotating shaft 101, so that the rotating shaft 101 can be conveniently and quickly mounted in the insertion groove 111, and one end of the rotating shaft 101 can be quickly sleeved on the positioning table post 13. Preferably, the mounting groove 11 further includes a lightening groove 112, and the lightening groove 112 is communicated with the insertion groove 111, so that the weight of the base plate 1 can be lightened. More preferably, the lightening groove 112 may also be a machining groove of the insertion groove 111, one end of the machining groove is communicated with the lightening groove 112, and the other end is communicated with the side surface of the base plate 1, so as to facilitate machining of the insertion groove 111.
Preferably, the pressing block 2 abuts against the other end of the rotating shaft 101, and the rotating shaft 101 is pressed at the bottom of the insertion groove 111, so that the rotating shaft 101 is kept sleeved on the positioning table column 13, the sheave 100 can be prevented from falling off from the bottom plate 1 in the subsequent machining process, and the subsequent machining efficiency of the sheave 100 can be improved.
More preferably, as shown in fig. 3, a connection hole 21 is formed on the pressing block 2, a positioning hole 131 is formed on the positioning pillar 13, one end of the connecting member 3 is connected to the connection hole 21, and the other end is connected to the positioning hole 131, so that the pressing block 2 is pressed against the other end of the rotating shaft 101, so as to press and fix the rotating shaft 101.
In this embodiment, the connecting member 3 is a bolt, the positioning hole 131 is a threaded hole, a screw of the bolt is inserted through the connecting hole 21 and connected to the positioning hole 131, and a head of the bolt abuts against the pressing block 2, so that the pressing block 2 is pressed against the rotating shaft 101. Preferably, the connecting hole 21 is a stepped hole, and the bolt head is located in the large-diameter section of the stepped hole and abuts against the stepped surface of the stepped hole, so that the bolt head can be completely arranged in the large-diameter section of the stepped hole, the bolt head can be prevented from protruding out of the pressing block 2, and the influence on the subsequent processing of the sheave 100 can be avoided.
The embodiment also provides a method for machining a sheave, which comprises the following steps:
s1, making the sheave 100 by 3D printing to obtain a blank of the sheave 100.
That is, a blank of the sheave 100 is manufactured by a 3D printing technique.
S2, sleeving one end of the rotating shaft 101 of the blank of the sheave 100 on the positioning table column 13, and clamping the frame 102 and the crank 103 of the blank of the sheave 100 on the positioning strip 12.
Namely, one end of the rotating shaft 101 of the blank of the sheave 100 is sleeved on the positioning pillar 13 and inserted to the bottom of the installation groove 11, and the frame 102 and the crank 103 of the blank of the sheave 100 are clamped on the positioning strip 12, so that the blank of the sheave 100 is positioned on the machining clamp of the sheave.
And S3, the pressing block 2 is abutted against the other end of the rotating shaft 101 through the connecting piece 3, so that the blank of the sheave 100 is clamped on the machining clamp of the sheave.
Namely, the connecting piece 3 is inserted into the connecting hole 21 of the pressing block 2, and the pressing block 2 is pressed against the other end of the rotating shaft 101, so that the blank of the sheave 100 is pressed and clamped on the machining clamp of the sheave, the blank of the sheave 100 can be prevented from falling off from the machining clamp of the sheave in the subsequent machining process, and the subsequent machining efficiency of the blank of the sheave 100 can be improved.
And S4, processing the surface to be processed of the blank of the sheave 100.
Namely, after the blank of the sheave 100 is firmly positioned, the surface to be processed of the blank of the sheave 100 is processed, and the processing and manufacturing of the sheave 100 are completed.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (6)
1. The utility model provides a clamping apparatus for processing of sheave which characterized in that includes:
the pulley device comprises a base plate (1), wherein a mounting groove (11) and a positioning strip (12) are arranged on the base plate (1), a positioning table column (13) is arranged in the mounting groove (11), a positioning hole (131) is formed in the positioning table column (13), one end of a rotating shaft (101) of a grooved pulley (100) can be sleeved on the positioning table column (13), and a rack (102) and a crank (103) of the grooved pulley (100) can be clamped on the positioning strip (12);
the pressing block (2) is provided with a connecting hole (21), and the pressing block (2) abuts against the other end of the rotating shaft (101);
one end of the connecting piece (3) is connected to the connecting hole (21), the other end of the connecting piece (3) is connected to the positioning hole (131), and the rotating shaft (101) can be pressed on the bottom of the mounting groove (11) by the connecting piece (3);
the connecting piece (3) is a bolt, the positioning hole (131) is a threaded hole, a screw rod of the bolt penetrates through the connecting hole (21) and is connected into the positioning hole (131), and the bolt head of the bolt abuts against the pressing block (2);
the positioning strip (12) comprises a first positioning strip (121), and the crank (103) can be clamped on the first positioning strip (121);
the positioning strip (12) comprises a second positioning strip (122), and the rack (102) can be clamped on the second positioning strip (122);
a positioning pin (1211) is arranged on the first positioning strip (121), and the positioning pin (1211) is inserted into the rotating hole of the crank (103).
2. The sheave machining jig according to claim 1, characterized in that the connection hole (21) is provided as a stepped hole, and the bolt head is located in a large diameter section of the stepped hole and abuts on a step surface of the stepped hole.
3. The sheave machining jig according to claim 1, characterized in that the height of the positioning table (13) is set to be equal to the depth of the installation groove (11).
4. The sheave machining jig according to claim 1, wherein the mounting groove (11) includes an insertion groove (111), a cross-sectional shape of the insertion groove (111) is provided in a circular shape, and a diameter of the insertion groove (111) is larger than a diameter of the rotating shaft (101).
5. A geneva machining jig according to claim 4, wherein the mounting groove (11) further comprises a lightening groove (112), and the lightening groove (112) is communicated with the insertion groove (111).
6. A grooved pulley processing method is characterized in that,
a machining jig using the sheave according to any one of claims 1 to 5;
the method comprises the following steps:
making a sheave (100) by 3D printing to obtain a blank of the sheave (100);
sleeving one end of the rotating shaft (101) of the blank of the sheave (100) on the positioning table column (13), and clamping the rack (102) and the crank (103) of the blank of the sheave (100) on the positioning strip (12);
the pressing block (2) is abutted against the other end of the rotating shaft (101) through the connecting piece (3) so as to clamp a blank of the sheave (100) on a machining clamp of the sheave;
and machining the surface to be machined of the blank of the sheave (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010857852.8A CN112025578B (en) | 2020-08-24 | 2020-08-24 | Grooved wheel machining clamp and grooved wheel machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010857852.8A CN112025578B (en) | 2020-08-24 | 2020-08-24 | Grooved wheel machining clamp and grooved wheel machining method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112025578A CN112025578A (en) | 2020-12-04 |
| CN112025578B true CN112025578B (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010857852.8A Active CN112025578B (en) | 2020-08-24 | 2020-08-24 | Grooved wheel machining clamp and grooved wheel machining method |
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| CN105345544A (en) * | 2015-12-14 | 2016-02-24 | 天津天明科技有限公司 | Speed reducer end cover fixture |
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| CN208342742U (en) * | 2018-04-12 | 2019-01-08 | 日荣五金制品（深圳）有限公司 | Door lock circlip assembling fixture |
| CN209698314U (en) * | 2018-11-30 | 2019-11-29 | 青岛博泰汽车零部件有限责任公司 | A kind of air-actuated jaw of truck frame crossbeam |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9902032B2 (en) * | 2011-10-18 | 2018-02-27 | Phd, Inc. | Pin clamp with multi-thickness clamping feature |
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2020
- 2020-08-24 CN CN202010857852.8A patent/CN112025578B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104227453A (en) * | 2013-06-08 | 2014-12-24 | 成都大漠石油机械有限公司 | Pressing plate structure fixed on clamping groove and use method thereof |
| CN203945053U (en) * | 2014-07-29 | 2014-11-19 | 安徽沪宁智能科技有限公司 | A kind of ejector dozer group is to frock |
| CN204148779U (en) * | 2014-10-11 | 2015-02-11 | 重庆大江动力设备制造有限公司 | Weld clamp device |
| CN105345544A (en) * | 2015-12-14 | 2016-02-24 | 天津天明科技有限公司 | Speed reducer end cover fixture |
| CN105345489A (en) * | 2015-12-18 | 2016-02-24 | 苏州金逸康自动化设备有限公司 | Slide table module for slide table type porous tapping and drilling all-in-one machine |
| CN208342742U (en) * | 2018-04-12 | 2019-01-08 | 日荣五金制品（深圳）有限公司 | Door lock circlip assembling fixture |
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| CN112025578A (en) | 2020-12-04 |
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