CN113369955A - Fixture for drilling small hole in cylinder body - Google Patents
Fixture for drilling small hole in cylinder body Download PDFInfo
- Publication number
- CN113369955A CN113369955A CN202110768634.1A CN202110768634A CN113369955A CN 113369955 A CN113369955 A CN 113369955A CN 202110768634 A CN202110768634 A CN 202110768634A CN 113369955 A CN113369955 A CN 113369955A
- Authority
- CN
- China
- Prior art keywords
- positioning
- drilling
- jig
- cylinder body
- cylinder bore
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
- B23Q3/14—Mandrels in general
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine
- B23Q11/0035—Arrangements for preventing or isolating vibrations in parts of the machine by adding or adjusting a mass, e.g. counterweights
Abstract
The invention discloses a clamp for drilling a small hole in a cylinder body, which belongs to the field of part processing and comprises a clamp body, wherein a positioning plate is arranged on the clamp body, a positioning mandrel is arranged on the positioning plate, a fastener is arranged on the positioning mandrel, and a limiting piece is further arranged on the positioning plate to limit the cylinder body. Through fixing it on the lathe, then put into the locating spindle with the locating hole on the cylinder body on, the one end and the locating part of cylinder body are contradicted, then practical fastener fastens the locating spindle, starts the lathe and drills, adopt this anchor clamps to fix a position the cylinder body, the theoretical error that exists is only for the clearance error between locating hole and the locating spindle when adding man-hour, and the qualification rate is high, and production efficiency also improves greatly.
Description
Technical Field
The invention relates to the technical field of part processing, in particular to a clamp for drilling a cylinder body small hole.
Background
In the mechanical processing, in order to ensure the requirements of the processing size, shape and mutual position of workpieces, a reasonable clamp must be used, the clamp is taken as a technical device, the occupied position is very important, the reasonable clamp is selected, the processing precision can be easily ensured, and the product quality is kept stable.
At present, in China, a large number of special clamps are not available for the cylinder body part, and the cylinder body part is provided with a deep hole with the diameter of 5mm multiplied by 170mm, so that an end face with the diameter of 60mm multiplied by 60mm is usually used as a clamping reference, but the cylinder body part is found to be small in base surface and not easy to be righted during processing; the verticality of the end face hardly reaches the standard 90 degrees, and the error is at least 0.01 mm; the error of 1.7mm on 170mm processing length is very common, and in the processing process of technical personnel in the field, the error of 1.7mm on 170mm length, the straightness error of perpendicularity of 0.01mm on the end surface is difficult, and the cylinder body processed under the condition also belongs to unqualified products.
Therefore, a special clamp needs to be designed, so that the labor productivity can be greatly improved, the labor intensity of workers can be reduced, and the product percent of pass is improved.
Disclosure of Invention
The invention aims to solve at least one technical problem in the prior art and provides a clamp for drilling a cylinder body small hole.
The technical solution of the invention is as follows:
the clamp for drilling the small hole of the cylinder body comprises a clamp body, wherein a positioning plate is arranged on the clamp body, a positioning mandrel is arranged on the positioning plate, a fastener is arranged on the positioning mandrel, and a limiting part is further arranged on the positioning plate to limit the cylinder body.
Preferably, the positioning mandrel is in clearance fit with a positioning hole in the cylinder body.
Preferably, the gap is 1-5 mm.
Preferably, a through hole is formed in the positioning mandrel.
Preferably, the fixing piece comprises a limit bolt capable of being matched with the gap and a nut matched with the limit bolt.
Preferably, the positioning plate is provided with a limiting hole.
Preferably, the locating part includes the gag lever post, the gag lever post upper end is provided with the L template, and the activity is provided with the movable block on the diaphragm of L template, the relative surface of the riser of movable block and L template is provided with V type groove, and two V type grooves constitute the direction chamber, are provided with the guide ring in the direction chamber.
Preferably, the horizontal plate and the vertical plate of the L-shaped plate form a right angle.
Preferably, the positioning device further comprises a balancing weight which is arranged at one end of the positioning plate far away from the processing small hole.
Preferably, the locating plate is provided with a counterweight groove, 2 groups of sliding rods are arranged on the wall portion penetrating through the counterweight groove in a sliding mode, one end of each sliding rod is provided with a shifting head, the other end of each sliding rod is provided with a limiting block, and a rubber pad is arranged on the outer surface of each limiting block.
The invention has at least one of the following beneficial effects:
according to the clamp for drilling the small hole in the cylinder body, the clamp is fixed on a machine tool, the positioning hole in the cylinder body is placed on the positioning mandrel, one end of the cylinder body is abutted to the limiting piece, the positioning mandrel is fastened by the practical fastening piece, the machine tool is started to drill, the clamp is used for positioning the cylinder body, the theoretical error existing in the machining process is only the gap error between the positioning hole and the positioning mandrel, the qualification rate is high, and the production efficiency is greatly improved.
According to the clamp for drilling the small hole in the cylinder body, the V-shaped groove and the guide ring are arranged, so that the eccentric and shaking phenomena of a drill bit during deep hole machining can be effectively avoided, and the machining precision is improved.
Drawings
FIG. 1 is a first schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic view showing the structure of a cylinder body according to a preferred embodiment of the present invention;
FIG. 3 is a view A-A of FIG. 2;
FIG. 4 is a second schematic structural view of the preferred embodiment of the present invention;
FIG. 5 is a schematic structural view of an L-shaped plate in a preferred embodiment of the invention;
FIG. 6 is a third schematic structural view of the preferred embodiment of the present invention;
FIG. 7 is a fourth schematic structural view of the preferred embodiment of the present invention;
FIG. 8 is a schematic structural view of a center weight groove according to a preferred embodiment of the present invention;
in the figure, 1-a positioning plate, 2-a positioning mandrel, 3-a nut, 4-a limiting bolt, 5-a limiting piece, 6-a processing small hole, 7-a positioning hole, 8-an L-shaped plate, 9-a positioning nut, 10-a V-shaped groove, 11-a guide ring, 12-a movable block, 13-a balancing weight, 14-a balancing weight groove, 15-a limiting piece, 16-a rubber pad and 17-a sliding rod.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 6, a preferred embodiment of the present invention:
the utility model provides a bore anchor clamps for cylinder body aperture, includes the anchor clamps body, has a locating plate 1 on it, has a positioning core axle 2 on this locating plate 1, is provided with the fastener on the positioning core axle 2, still have a locating part 5 on the locating plate 1 in order to be spacing with the cylinder body, more specifically, locating part 5 is the right angle setting with locating plate 1.
During the use, through fixing it on the lathe, then put into positioning core axle 2 with locating hole 7 on the cylinder body, the one end and the locating part 5 of cylinder body are contradicted, then use the fastener to fasten positioning core axle 2, start the lathe and drill, adopt this anchor clamps to fix a position the cylinder body, the theoretical error that exists is only for the clearance error between locating hole 7 and the positioning core axle 2 when adding man-hour, the qualification rate is high, production efficiency also improves greatly.
As a preferred embodiment of the present invention, it may also have the following additional technical features:
the positioning core shaft 2 is in clearance fit with a positioning hole 7 on the cylinder body, and the scratching phenomenon is avoided.
The gap is 1-5mm, preferably 2 mm.
The positioning core shaft 2 is provided with a through hole.
The mounting including can with clearance match's spacing bolt 4, and with spacing bolt complex nut 3 is convenient for be fixed with the cylinder body on the anchor clamps.
The positioning plate 1 is provided with a limiting hole for further positioning, and deviation generated during machining is avoided.
Locating part 6 includes the gag lever post, the gag lever post upper end is provided with L template 8, and the activity is provided with movable block 12 on L template 8's the diaphragm, specifically, L template 8's diaphragm is provided with logical groove, passes through set nut it is fixed with the movable block to lead to the groove, when needing to adjust, unscrew set nut and can remove the movable block, then tighten up fixedly, movable block 12 is provided with V type groove 10 with the relative surface of L template 8's riser, and two V type grooves 10 constitute the direction chamber, are provided with guide ring 11 in the direction chamber.
Through the V type groove and the guide ring that set up, can effectively avoid the drill bit to add the eccentric and shake phenomenon that appear in the deep hole machining, improve the machining precision, the guide cavity also can regard as the drill bit to add a release cavity of counter stress in addition, has also alleviateed the drill bit shake to a certain extent.
The transverse plate and the vertical plate of the L-shaped plate 8 form a right angle.
In some embodiments, the positioning plate further comprises a counterweight block 13 disposed at one end of the positioning plate 1 far away from the small processing hole 6, and since the small processing hole 7 is located at an eccentric position, when the drill bit is processed, an offset centrifugal force is generated, so that the counterweight block 13 is disposed at one end far away from the small processing hole, and the specific weight is disposed according to actual needs, which can reduce the offset centrifugal force generated by the drill bit processing to a certain extent, and specifically, when the positioning plate is actually applied, the counterweight block 13 can be multiple blocks, and is calculated according to balance mechanics.
In some embodiments, a counterweight groove 14 is formed in the positioning plate 1, 2 groups of sliding rods 17 are slidably arranged on a wall portion penetrating through the counterweight groove 14, one end of each sliding rod is provided with a shifting head, the other end of each sliding rod is provided with a limiting block 15, a rubber pad is arranged on the outer surface of each limiting block 15, abrasion of the counterweight block and rigid impact caused by vibration during machining are avoided, the sliding rods 17 can move back and forth at the side sections of the counterweight groove 14, a limiting cavity is formed between the limiting blocks 15 to limit the counterweight block 13, and meanwhile the sliding rods 17 can be moved to adjust the position of the counterweight block. Scale marks are arranged on the periphery of the surface of the counterweight groove 14, so that the position of the counterweight block 13 can be conveniently adjusted.
The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.
In the description of the embodiments of the present invention, it should be understood that "-" and "-" indicate the same range of two numerical values, and the range includes the endpoints. For example: "A-B" means a range of greater than or equal to A and less than or equal to B. "A to B" means a range of not less than A and not more than B.
In the description of the embodiments of the present invention, the term "and/or" herein is only one kind of association relationship describing an associated object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
The above description is only a preferred embodiment of the present invention, and the technical solutions that achieve the objects of the present invention by basically the same means are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides a bore anchor clamps for cylinder body aperture which characterized in that: the clamp comprises a clamp body, wherein a positioning plate (1) is arranged on the clamp body, a positioning mandrel (2) is arranged on the positioning plate (1), a fastener is arranged on the positioning mandrel (2), and a limiting part (5) is further arranged on the positioning plate (1) to limit a cylinder body.
2. The jig for drilling a cylinder bore according to claim 1, wherein: the positioning core shaft (2) is in clearance fit with a positioning hole (7) on the cylinder body.
3. The jig for drilling a cylinder bore according to claim 2, wherein: the gap is 1-5 mm.
4. The jig for drilling a cylinder bore according to claim 1, wherein: the positioning core shaft (2) is provided with a through hole.
5. The jig for drilling a cylinder bore according to claim 2, wherein: the fixing piece comprises a limiting bolt (4) matched with the gap and a nut (3) matched with the limiting bolt.
6. The jig for drilling a cylinder bore according to claim 1, wherein: the positioning plate (1) is provided with a limiting hole.
7. The jig for drilling a cylinder bore according to claim 1, wherein: locating part (6) includes the gag lever post, the gag lever post upper end is provided with L template (8), and the activity is provided with movable block (12) on the diaphragm of L template (8), the relative surface of the riser of movable block (12) and L template (8) is provided with V type groove (10), and two V type grooves (10) constitute the direction chamber, and the direction intracavity is provided with guide ring (11).
8. The jig for drilling a cylinder bore according to claim 7, wherein: the transverse plate and the vertical plate of the L-shaped plate (8) form a right angle.
9. The jig for drilling a cylinder bore according to claim 2, wherein: the positioning device also comprises a balancing weight (13) which is arranged at one end of the positioning plate (1) far away from the processing small hole (6).
10. The jig for drilling a cylinder bore according to claim 9, wherein: the positioning plate is characterized in that a counterweight groove (14) is formed in the positioning plate (1), 2 groups of sliding rods (17) are arranged on the wall portion penetrating through the counterweight groove (14) in a sliding mode, a shifting head is arranged at one end of each sliding rod (17), a limiting block (15) is arranged at the other end of each sliding rod, and a rubber pad (16) is arranged on the outer surface of each limiting block (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110768634.1A CN113369955A (en) | 2021-07-07 | 2021-07-07 | Fixture for drilling small hole in cylinder body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110768634.1A CN113369955A (en) | 2021-07-07 | 2021-07-07 | Fixture for drilling small hole in cylinder body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113369955A true CN113369955A (en) | 2021-09-10 |
Family
ID=77581396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110768634.1A Pending CN113369955A (en) | 2021-07-07 | 2021-07-07 | Fixture for drilling small hole in cylinder body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113369955A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005059182A (en) * | 2003-08-19 | 2005-03-10 | Honda Motor Co Ltd | Holding jig for grinding outer surface of cylindrical work |
| CN202804704U (en) * | 2012-09-07 | 2013-03-20 | 苏州市职业大学 | Novel adjustable high-efficiency drill disc type clamp |
| CN203371080U (en) * | 2013-07-12 | 2014-01-01 | 广西职业技术学院 | Oil pump mounting hole composite tool |
| CN104493556A (en) * | 2014-12-17 | 2015-04-08 | 重庆健杰科技有限公司 | Fast pipe clamping device |
| CN106862960A (en) * | 2017-03-03 | 2017-06-20 | 南京交通职业技术学院 | A kind of grip device of machining center |
| CN206305508U (en) * | 2016-11-23 | 2017-07-07 | 昆明理工大学 | A kind of swinging indexes drill jig |
| CN209349553U (en) * | 2018-12-26 | 2019-09-06 | 无锡威孚中意齿轮有限责任公司 | The indexing driller of ring gear tooth socket radial direction oil hole |
| CN210173034U (en) * | 2019-06-06 | 2020-03-24 | 安徽合力股份有限公司 | Brake shell positioning and pressing device |
-
2021
- 2021-07-07 CN CN202110768634.1A patent/CN113369955A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005059182A (en) * | 2003-08-19 | 2005-03-10 | Honda Motor Co Ltd | Holding jig for grinding outer surface of cylindrical work |
| CN202804704U (en) * | 2012-09-07 | 2013-03-20 | 苏州市职业大学 | Novel adjustable high-efficiency drill disc type clamp |
| CN203371080U (en) * | 2013-07-12 | 2014-01-01 | 广西职业技术学院 | Oil pump mounting hole composite tool |
| CN104493556A (en) * | 2014-12-17 | 2015-04-08 | 重庆健杰科技有限公司 | Fast pipe clamping device |
| CN206305508U (en) * | 2016-11-23 | 2017-07-07 | 昆明理工大学 | A kind of swinging indexes drill jig |
| CN106862960A (en) * | 2017-03-03 | 2017-06-20 | 南京交通职业技术学院 | A kind of grip device of machining center |
| CN209349553U (en) * | 2018-12-26 | 2019-09-06 | 无锡威孚中意齿轮有限责任公司 | The indexing driller of ring gear tooth socket radial direction oil hole |
| CN210173034U (en) * | 2019-06-06 | 2020-03-24 | 安徽合力股份有限公司 | Brake shell positioning and pressing device |
Non-Patent Citations (1)
| Title |
|---|
| 朱凤霞: "《机械制造工艺学》", 31 January 2019, 华中科技大学出版社 * |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210910 |