CN104385119A - Diameter size interchangeable adjustable grinding rod and system - Google Patents
Diameter size interchangeable adjustable grinding rod and system Download PDFInfo
- Publication number
- CN104385119A CN104385119A CN201410494354.6A CN201410494354A CN104385119A CN 104385119 A CN104385119 A CN 104385119A CN 201410494354 A CN201410494354 A CN 201410494354A CN 104385119 A CN104385119 A CN 104385119A
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- bulge loop
- pull bar
- spring
- diameter dimension
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
Abstract
The invention provides a diameter size interchangeable adjustable grinding rod. The diameter size interchangeable adjustable grinding rod comprises a connecting rod, a transmission device, a first pull rod, a second pull rod, a spring bushing and a guide sleeve, wherein a first blind hole is formed in one end of the connecting rod; the first blind hole is in clearance fit with the first pull rod; one end of the first pull rod is in threaded connection with one end of the second pull rod; the guide sleeve is arranged outside the first pull rod and the second pull rod; one end of the guide sleeve is in threaded connection with the connecting rod; the other end of the guide sleeve and the other end of the second pull rod are both inserted into elastic grooves which are formed in the two end surfaces of the spring bushing along the circumferential direction; the other end of the guide sleeve is conical; the first pull rod and the second pull rod are driven to translate axially by the transmission device. The invention also provides a corresponding system. According to the diameter size interchangeable adjustable grinding rod and the system, an adjustable function that the worn diameter can be compensated during a grinding process can be realized; through an interchangeable function, the machining requirements of products with different pore diameters are met.
Description
Technical field
The present invention relates to milling bar, particularly, relate to the adjustable milling bar system of a kind of diameter dimension interchangeable.
Background technology
The interior blind hole of housing unit, as the important component part of valve sliding pair, requires higher.Different-diameter dimensional accuracy, cylindricity and surface roughness are the important indicators affecting valve working performance.And the grinding sleeve diameter dimension of existing grinding rod is more easy to wear, and grinding rod structure does not simply have Diameter Equalize function, once diameter dimension wearing and tearing, needs constantly hand grinding, adjustment, measurement grinding sleeve in process.High to the skill set requirements of processor; Working (machining) efficiency is low.
Summary of the invention
For defect of the prior art, the object of this invention is to provide the adjustable milling bar of a kind of diameter dimension interchangeable, the adjustable function that the diameter of wearing and tearing is compensated can be realized in process of lapping, and by its diameter dimension interchangeable function, meet the dimensional accuracy of various different-diameter product, cylindricity and surface roughness requirements; The product size uniformity obtained and good stability thereof; Replace traditional grinding rod, greatly improve working (machining) efficiency; Low to operating personnel's skill set requirements, easy to operate.
The adjustable milling bar of diameter dimension interchangeable provided according to an aspect of the present invention, comprises connecting rod 2, transmission device, the first pull bar 14, second pull bar 15, spring bushing 16 and fairlead 13;
Wherein, one end of connecting rod 2 is provided with the first blind hole, described first blind hole and the first pull bar 14 matched in clearance; The threaded one end of described first pull bar 14 connects one end of the second pull bar 15; Fairlead 13 is arranged on the outside of the first pull bar 14 and the second pull bar 15, one end of fairlead 13 is threaded with connecting rod 2, and the other end of fairlead 13 and the other end of the second pull bar 15 all insert in the elastic force groove that in the end face of spring bushing 16, circumferentially direction has; The other end of fairlead 13 is tapered; By the first pull bar 14 and the second pull bar 15 axial translation described in described actuator drives.
Preferably, axially extending bore keyway is provided with between the two ends of connecting rod 2.
Preferably, described transmission device comprises scrobicular ring 6, bulge loop 7 and straight pin 9; Wherein, straight pin 9 insert successively the radial direction through hole of scrobicular ring 6, the radial direction through hole of the first pull bar 14 and in through hole keyway; Described bulge loop 7 is arranged on the outside of scrobicular ring 6, and scrobicular ring 6 is arranged on the outside of connecting rod 2, and bulge loop 7 matches with scrobicular ring 6 and scrobicular ring 6 can be driven to rotate, and bulge loop 7 is for limiting the axial float of straight pin 9.
Preferably, described transmission device also comprises scale overcoat 3 and screw 8; Described scale overcoat 3 is arranged on the outside of bulge loop 7 and is connected with bulge loop 7 by screw 8.
Preferably, also comprise axially stop block, described axially stop block comprises spacer pin 17, spring base 4 and spring 5; Wherein, spring base 4 and spring 5 are all enclosed within the outside of described connecting rod 2, and spring 5 is arranged between spring base 4 and bulge loop 7; Spacer pin 17 inserts in the radial direction through hole of connecting rod 2, and spacer pin 17 is located for the restriction of the axial float to spring base 4, spring 5 and bulge loop 7.
Preferably, also comprise circumferential stopping means, described circumferential stopping means comprises positioning disk 12, little spring 10 and steel ball 11; Wherein, positioning disk 12 to be arranged between bulge loop 7 and fairlead 13 and to be threaded with described connecting rod 2; Described bulge loop 7 is circumferentially evenly equipped with the second blind hole in direction near the end face of positioning disk 12; Positioning disk 12 is circumferentially evenly equipped with the semicircle orifice corresponding with the second blind hole in direction near the end face of bulge loop 7; Little spring 10 and steel ball 11 are connected between the second blind hole and semicircle orifice in turn.
Preferably, also comprise adapter 1, described adapter 1 is connected with the other end screw thread of described connecting rod 2; The other end of described connecting rod 2 is provided with the cylindrical step for spacing adapter 1.
The adjustable grinding system of a kind of diameter dimension interchangeable provided according to another aspect of the present invention, comprises the described adjustable milling bar of diameter dimension interchangeable, also comprises Morse's taper and lathe; Wherein, described adapter 1 is connected with the main shaft of lathe by Morse's taper.
Compared with prior art, the present invention has following beneficial effect:
1, the present invention can realize the adjustable function that compensates of diameter to wearing and tearing in process of lapping;
2, the present invention is by interchangeable function, meets the processing request of various different pore size product;
3, the present invention can meet product different-diameter dimensional accuracy, cylindricity and surface roughness requirements, the product size uniformity of acquisition and good stability thereof, effectively improves product structure part processing cost and efficiency;
4, the present invention improves working (machining) efficiency greatly, shortens the production cycle, improves structural member product quality, low to operating personnel's skill set requirements, easy to operate.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present invention will become more obvious:
Fig. 1 is structural representation of the present invention.
In figure:
1 is adapter;
2 is connecting rod;
3 is scale overcoat;
4 is spring base;
5 is spring;
6 is scrobicular ring;
7 is bulge loop;
8 is screw;
9 is straight pin;
10 is little spring;
11 is steel ball;
12 is positioning disk;
13 is fairlead;
14 is the first pull bar;
15 is the second pull bar;
16 is spring bushing;
17 is spacer pin.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.Following examples will contribute to those skilled in the art and understand the present invention further, but not limit the present invention in any form.It should be pointed out that to those skilled in the art, without departing from the inventive concept of the premise, some distortion and improvement can also be made.These all belong to protection scope of the present invention.
In the present embodiment, as shown in Figure 1, the adjustable milling bar of diameter dimension interchangeable provided by the invention, comprises connecting rod 2, transmission device, the first pull bar 14, second pull bar 15, spring bushing 16 and fairlead 13;
Wherein, one end of connecting rod 2 is provided with the first blind hole, described first blind hole and the first pull bar 14 matched in clearance; The threaded one end of described first pull bar 14 connects one end of the second pull bar 15; The outside that guiding 13 is arranged on the first pull bar 14 and the second pull bar 15, one end of fairlead 13 is threaded with connecting rod 2, and the other end of fairlead 13 and the other end of the second pull bar 15 all to insert in spring bushing 16 both ends of the surface circumferentially direction and have in elastic force groove; The other end of fairlead 13 is tapered; By the first pull bar 14 and the second pull bar 15 axial translation described in described actuator drives.
Axially extending bore keyway is provided with between the two ends of connecting rod 2.Described transmission device comprises scrobicular ring 6, bulge loop 7 and straight pin 9; Wherein, straight pin 9 inserts in the radial direction through hole of scrobicular ring 6, the radial direction through hole of the first pull bar 14 and the axially extending bore keyway of connecting rod 2 successively; Described bulge loop 7 is arranged on the outside of scrobicular ring 6, and scrobicular ring 6 is arranged on the outside of connecting rod 2, and bulge loop 7 matches with scrobicular ring 6 and scrobicular ring 6 can be driven to rotate, for limiting the axial float of straight pin 9.
Described transmission device also comprises scale overcoat 3 and screw 8; Described scale overcoat 3 is arranged on the outside of bulge loop 7 and is connected with bulge loop 7 by screw 8.
The adjustable milling bar of diameter dimension interchangeable provided by the invention also comprises axially stop block, and described axially stop block comprises spacer pin 17, spring base 4 and spring 5; Wherein, spring base 4 and spring 5 are all enclosed within the outside of described connecting rod 2, and spring 5 is arranged between spring base 4 and bulge loop 7; Spacer pin 17 inserts in the radial direction through hole of connecting rod 2, and spacer pin 17 is located for the restriction of the axial float to spring base 4, spring 5 and bulge loop 7.
The adjustable milling bar of diameter dimension interchangeable provided by the invention also comprises circumferential stopping means, and described circumferential stopping means comprises positioning disk 12, little spring 10 and steel ball 11; Wherein, positioning disk 12 to be arranged between bulge loop 7 and fairlead 13 and to be threaded with described connecting rod 2; Described bulge loop 7 is circumferentially evenly equipped with the second blind hole in direction near the end face of positioning disk 12; Positioning disk 12 is circumferentially evenly equipped with the semicircle orifice corresponding with the second blind hole in direction near the end face of bulge loop 7; Little spring 10 and steel ball 11 are connected between the second blind hole and semicircle orifice in turn.
The adjustable milling bar of diameter dimension interchangeable provided by the invention also comprises adapter 1, and described adapter 1 is connected with the other end screw thread of described connecting rod 2; The other end of described connecting rod 2 is provided with the cylindrical step for spacing adapter 1.
In the present invention, be pressed into by the steel ball 11 of the second blind hole end face being fixed on bulge loop 7 in the uniform semicircle orifice of an end face of positioning disk 12, the circumferential offset of restriction scale overcoat 3, realizes the sizing locking function of the adjustable milling bar of interchangeable.On the other hand, screw in screw 8 by radial direction, scale overcoat 3 is connected fastening with bulge loop 7, then in use, scale overcoat 3 is carried out " post-tensioning---screws---self-locking ", complete outer the rising of spring bushing 16 diameter dimension.Wherein, bulge loop 7 and scrobicular ring 6 relative movement can realize " post-tensioning " function, and meanwhile, bulge loop 7 can drive scrobicular ring 6 to rotate and realize " screwing " function.
When the adjustable milling bar of use diameter dimension interchangeable provided by the invention, by screwing scale overcoat 3, bulge loop 7 and scrobicular ring 6 is made to drive straight pin 9 radial translation, the axial translation of the first pull bar 14 and the second pull bar 15 is realized under the pulling of straight pin 9, under the pulling function of the second pull bar 15, complete the change of fairlead 13 liang of inclined-planes and the second pull bar 15 relative distance, realize the change of spring bushing 16 diameter dimension.Wherein, each lattice scale of scale overcoat 3 by designing in advance and arranging, with spring bushing 16 diameter dimension be changing into linear relationship, thus realize the pro rata adjustable function of milling bar.On the other hand, according to product different-diameter dimensional requirement, change fairlead 13, second pull bar 15 and spring bushing 16 simultaneously, the diameter dimension interchangeable function of milling bar can be realized.
Wherein, by designing and set two bevel angles, the chamfer length relation of fairlead 13 and the second pull bar 15 in advance, and the equally distributed elastic force groove in spring bushing 16 both ends of the surface circumference place.Can realize that spring bushing 16 diameter dimension is evenly outer to rise, and screw each lattice scale of scale overcoat 3 and spring bushing 16 diameter dimension be changing into linear relationship, thus realize the pro rata adjustable function of milling bar.Meanwhile, by changing the fairlead 13 be threaded with connecting rod 2, and the second pull bar 15 be threaded with the first pull bar 14, coordinate the spring bushing 16 of respective diameters size, thus realize the interchangeable function of milling bar.
The adjustable grinding system of diameter dimension interchangeable provided by the invention, comprises the described adjustable milling bar of diameter dimension interchangeable, also comprises Morse's taper and lathe; Wherein, described adapter 1 is connected with the main shaft of lathe by Morse's taper.
Above specific embodiments of the invention are described.It is to be appreciated that the present invention is not limited to above-mentioned particular implementation, those skilled in the art can make various distortion or amendment within the scope of the claims, and this does not affect flesh and blood of the present invention.
Claims (8)
1. the adjustable milling bar of diameter dimension interchangeable, it is characterized in that, comprise connecting rod (2), transmission device, the first pull bar (14), the second pull bar (15), spring bushing (16) and fairlead (13);
Wherein, one end of connecting rod (2) is provided with the first blind hole, described first blind hole and the first pull bar (14) matched in clearance; The threaded one end of described first pull bar (14) connects one end of the second pull bar (15); Fairlead (13) is arranged on the outside of the first pull bar (14) and the second pull bar (15), one end of fairlead (13) is threaded with connecting rod (2), and the other end of fairlead (13) and the other end of the second pull bar (15) all insert in the elastic force groove that in the end face of spring bushing (16), circumferentially direction has; The other end of fairlead (13) is tapered; By the first pull bar (14) described in described actuator drives and the second pull bar (15) axial translation.
2. the adjustable milling bar of diameter dimension interchangeable according to claim 1, is characterized in that, is provided with axially extending bore keyway between the two ends of connecting rod (2).
3. the adjustable milling bar of diameter dimension interchangeable according to claim 2, is characterized in that, described transmission device comprises scrobicular ring (6), bulge loop (7) and straight pin (9); Wherein, straight pin (9) insert successively the radial direction through hole of scrobicular ring (6), the radial direction through hole of the first pull bar (14) and in through hole keyway; Described bulge loop (7) is arranged on the outside of scrobicular ring (6), scrobicular ring (6) is arranged on the outside of connecting rod (2), bulge loop (7) matches with scrobicular ring (6) and scrobicular ring (6) can be driven to rotate, and bulge loop (7) is for limiting the axial float of straight pin (9).
4. the adjustable milling bar of diameter dimension interchangeable according to claim 3, is characterized in that, described transmission device also comprises scale overcoat (3) and screw (8); Described scale overcoat (3) is arranged on the outside of bulge loop (7) and is connected with bulge loop (7) by screw (8).
5. the adjustable milling bar of diameter dimension interchangeable according to claim 4, is characterized in that, also comprise axially stop block, and described axially stop block comprises spacer pin (17), spring base (4) and spring (5); Wherein, spring base (4) and spring (5) are all enclosed within the outside of described connecting rod (2), and spring (5) is arranged between spring base (4) and bulge loop (7); Spacer pin (17) inserts in the radial direction through hole of connecting rod (2), and spacer pin (17) is located for the restriction of the axial float to spring base (4), spring (5) and bulge loop (7).
6. the adjustable milling bar of diameter dimension interchangeable according to claim 4, it is characterized in that, also comprise circumferential stopping means, described circumferential stopping means comprises positioning disk (12), little spring (10) and steel ball (11); Wherein, positioning disk (12) to be arranged between bulge loop (7) and fairlead (13) and to be threaded with described connecting rod (2); Described bulge loop (7) is circumferentially evenly equipped with the second blind hole in direction near the end face of positioning disk (12); Positioning disk (12) is circumferentially evenly equipped with the semicircle orifice corresponding with the second blind hole in direction near the end face of bulge loop (7); Little spring (10) and steel ball (11) are connected between the second blind hole and semicircle orifice in turn.
7. the adjustable milling bar of diameter dimension interchangeable according to claim 1, is characterized in that, also comprises adapter (1), and described adapter (1) is connected with the other end screw thread of described connecting rod (2); The other end of described connecting rod (2) is provided with the cylindrical step for spacing adapter (1).
8. the adjustable grinding system of diameter dimension interchangeable, is characterized in that, comprises the adjustable milling bar of diameter dimension interchangeable described in any one of claim 1 to 7, also comprises Morse's taper and lathe; Wherein, described adapter (1) is connected with the main shaft of lathe by Morse's taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410494354.6A CN104385119B (en) | 2014-09-24 | 2014-09-24 | The adjustable milling bar of diameter dimension interchangeable and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410494354.6A CN104385119B (en) | 2014-09-24 | 2014-09-24 | The adjustable milling bar of diameter dimension interchangeable and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104385119A true CN104385119A (en) | 2015-03-04 |
| CN104385119B CN104385119B (en) | 2017-04-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410494354.6A Active CN104385119B (en) | 2014-09-24 | 2014-09-24 | The adjustable milling bar of diameter dimension interchangeable and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104385119B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104742010A (en) * | 2015-03-31 | 2015-07-01 | 中国科学院上海技术物理研究所 | High-precision deep-hole grinding core rod of plastic grinding body |
| CN105290951A (en) * | 2015-08-07 | 2016-02-03 | 上海空间推进研究所 | Blind hole floating grinding method and device |
| CN106737032A (en) * | 2015-11-20 | 2017-05-31 | 富泰华工业（深圳）有限公司 | Polishing machine clamp |
| CN108002963A (en) * | 2017-12-01 | 2018-05-08 | 西安近代化学研究所 | A kind of grinding rod with cushioning effect and force measuring function |
| CN110666674A (en) * | 2019-08-28 | 2020-01-10 | 北京航星机器制造有限公司 | Taper hole grinding device |
| CN112605749A (en) * | 2020-11-16 | 2021-04-06 | 中国航发西安动力控制科技有限公司 | Inner hole grinding device with two ends synchronously expanding and quantitatively adjusting |
| CN113334239A (en) * | 2021-05-27 | 2021-09-03 | 成都飞机工业（集团）有限责任公司 | Numerical control equipment spindle inner cone grinding device and grinding method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110666674A (en) * | 2019-08-28 | 2020-01-10 | 北京航星机器制造有限公司 | Taper hole grinding device |
| CN112605749A (en) * | 2020-11-16 | 2021-04-06 | 中国航发西安动力控制科技有限公司 | Inner hole grinding device with two ends synchronously expanding and quantitatively adjusting |
| CN113334239A (en) * | 2021-05-27 | 2021-09-03 | 成都飞机工业（集团）有限责任公司 | Numerical control equipment spindle inner cone grinding device and grinding method thereof |
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| CN104385119B (en) | 2017-04-05 |
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