CN112935952A - Rigid cylindrical grinding method and device for miniature round rod - Google Patents
Rigid cylindrical grinding method and device for miniature round rod Download PDFInfo
- Publication number
- CN112935952A CN112935952A CN202110305009.3A CN202110305009A CN112935952A CN 112935952 A CN112935952 A CN 112935952A CN 202110305009 A CN202110305009 A CN 202110305009A CN 112935952 A CN112935952 A CN 112935952A
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- 238000000227 grinding Methods 0.000 title claims abstract description 112
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 56
- 230000008093 supporting effect Effects 0.000 claims abstract description 44
- 238000007599 discharging Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000005520 cutting process Methods 0.000 abstract description 8
- 238000003754 machining Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001651 emery Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
Images
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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/36—Single-purpose machines or devices
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
-
- 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
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/35—Accessories
- B24B5/355—Feeding means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to a method and a device for grinding a rigid excircle of a miniature round bar, which comprises a feeding step, a grinding step and a material receiving step, wherein in the grinding step, a driving unit drives the miniature round bar to rotate and drives the miniature round bar to approach a grinding wheel for continuous feed grinding, and meanwhile, a follow-up material supporting step is assisted, wherein the follow-up material supporting step not only follows the feed of the driving unit to advance, but also realizes automatic compensation of a gap after grinding, and the follow-up material supporting step and the grinding wheel both contact the miniature round bar in the whole grinding process. The component for supporting the materials in the follow-up mode comprises a material supporting seat, an ejector rod and a second power part, wherein the material supporting seat is assembled on the movable base and driven by the second power part to realize reciprocating motion relative to the movable base, the ejector rod is assembled on the material supporting seat, one end of the ejector rod is in contact with the miniature round rod, and the ejector rod is matched with a grinding wheel for grinding. The invention is suitable for grinding round rods with various diameters, realizes the rapid and rigid continuous cutting of the excircle of the round rod, has simple process, reduces the labor intensity of workers, has high production efficiency, and simultaneously ensures the grinding precision of the excircle and the concentricity.
Description
Technical Field
The invention relates to the technical field of hard alloy round bar processing, in particular to the technical field of miniature round bar cylindrical grinding.
Background
At present, when machining tools such as a drill bit, a milling cutter and the like are manufactured, the excircle of a miniature round rod is ground to obtain the required outer diameter. The existing grinding mode of the section difference of the round rod on the market is a continuous grinding mode, but the round rod cannot be formed by grinding at one time, a plurality of times of grinding modes are needed, labor is consumed, efficiency is low, the round rod is frequently broken, and the machining precision of the surface of the round rod is low.
Disclosure of Invention
The invention aims to provide a rigid excircle grinding method and device for a miniature round rod, which can well solve the technical problems, realize the rapid rigid continuous cutting of the excircle of the miniature round rod and ensure the grinding precision of the excircle and the concentricity.
In order to achieve the purpose, the rigid cylindrical grinding method of the miniature round rod provided by the invention comprises the following steps:
s1, a loading step, namely loading the micro round bar to be processed on a driving unit, wherein one end of the micro round bar is suspended;
s2, grinding, namely, driving the miniature round rod to rotate by the driving unit and driving the miniature round rod to approach the grinding wheel for continuous feed grinding, and simultaneously assisting a follow-up material supporting, wherein the follow-up material supporting not only needs to advance along with the feed of the driving unit, but also needs to realize automatic compensation of a gap after grinding; the follow-up material support and the grinding wheel are respectively arranged on the opposite sides of the miniature round rod, and both the follow-up material support and the grinding wheel contact the miniature round rod in the whole grinding process;
and S3, receiving materials, namely stopping the rotation of the miniature round rods and driving the miniature round rods to be far away from the grinding wheel by the driving unit after grinding is finished, and then unloading the ground miniature round rods and uniformly collecting the rods.
According to the scheme, the feeding step and the receiving step adopt mechanical arms for automatic feeding and discharging.
According to the scheme, the automatic compensation of the gap after the grinding amount of the follow-up material support is realized by the linear motion of the motor wire distributing rod or directly realized by the driving of a linear servo motor.
In order to achieve the above object, the present invention provides a rigid cylindrical grinding device for a miniature round bar, comprising:
the driving unit at least comprises a movable base, a chuck and a first power part for driving the chuck to rotate, the movable base is assembled on the supporting structure and realizes reciprocating motion in a linear direction, and the chuck and the first power part are assembled on the movable base; the chuck clamps one end of a miniature round bar to be processed, and the other end of the miniature round bar is suspended in the air;
the grinding wheel is arranged in the reciprocating motion direction of the movable base, the grinding wheel realizes autorotation, and the circumferential surface of the grinding wheel grinds the miniature round bar;
the follow-up material supporting component is provided with a material supporting seat, a push rod and a second power part, the material supporting seat is assembled on the movable base and is driven by the second power part to realize reciprocating motion relative to the movable base, and the motion direction of the material supporting seat is the same as that of the movable base; the ejector rod is assembled on the material supporting seat, and one end of the ejector rod is in contact with the miniature round rod and forms relative contact with the grinding wheel.
The scheme is further that the center of the end of the ejector rod contacting the miniature round rod and the rotation center of the grinding wheel are on the same horizontal line.
In the above scheme, the second power part is a linear motion module composed of motor matching screw rods or a linear servo motor.
In the scheme, the center of the end of the ejector rod contacting the miniature round rod is provided with a concave V-shaped tongue-and-groove.
Above-mentioned scheme is further, the chuck is pneumatic chuck, cooperates the automatic unloading of manipulator.
The invention assists the follow-up material supporting in the process of grinding the round bar, and the follow-up material supporting not only needs to advance along with the feed of the driving unit, but also needs to realize automatic compensation of the gap after grinding; and the follow-up material support and the grinding wheel are respectively arranged at the opposite sides of the miniature round rod, and both the follow-up material support and the grinding wheel contact the miniature round rod in the whole grinding process, so that the following beneficial effects are obtained:
1. the automatic cutting machine is suitable for grinding round rods with various diameters, realizes quick and rigid continuous cutting of the excircle of the round rod, is simple in process, automatically operates, reduces the labor intensity of workers, does not need to have high operation experience, saves the cost on the labor, and is high in production efficiency.
2. The auxiliary follow-up material supporting reduces the vibration amplitude of the round rod generated in the rotary grinding process, prevents the round rod from being broken in the machining process, enables the surface of the round rod to be ground uniformly, and ensures the grinding precision of the excircle and the concentricity.
3. The device has the advantages of simple integral structure, convenience, practicability, easy production and manufacture, wide application range, effective reduction of the labor intensity of operators, economy, safety and excellent economic and social benefits.
Description of the drawings:
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of the embodiment of FIG. 1;
fig. 3 is a schematic diagram of the embodiment of fig. 1.
The specific implementation mode is as follows:
the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, 2 and 3, which are schematic views of a preferred embodiment of the present invention, the present invention provides a method for grinding a rigid outer circle of a miniature round bar, the method comprising the following steps:
and S1, a loading step, namely loading the micro round bar to be processed on the driving unit, and suspending one end of the micro round bar so as to grind.
S2, grinding, namely, driving the miniature round rod to rotate by the driving unit and driving the miniature round rod to approach the grinding wheel for continuous feed grinding, and simultaneously assisting a follow-up material supporting, wherein the follow-up material supporting not only needs to advance along with the feed of the driving unit, but also needs to realize automatic compensation of a gap after grinding; the follow-up material supporting and the grinding wheel are respectively arranged on the opposite sides of the miniature round rod, and the follow-up material supporting and the grinding wheel are in contact with the miniature round rod in the whole grinding process, so that the vibration amplitude of the round rod in the rotary grinding process is reduced, the round rod is prevented from being broken in the machining process, the surface of the round rod is uniformly ground, and the grinding precision of the excircle and the concentricity is guaranteed.
And S3, receiving materials, namely stopping the rotation of the miniature round rods and driving the miniature round rods to be far away from the grinding wheel by the driving unit after grinding is finished, and then unloading the ground miniature round rods and uniformly collecting the rods.
The feeding step and the receiving step adopt mechanical arm automatic feeding and discharging, and the servo support material automatically compensates the gap after grinding amount, and the gap is automatically compensated by the linear motion of a motor wire distributing rod or directly driven by a linear servo motor. The whole process is simple, automatic operation is realized, the labor intensity of workers is reduced, high operation experience is not needed, the labor cost is saved, and the production efficiency is high. The cutting machine is suitable for grinding round rods with various diameters, realizes quick and rigid continuous cutting of the excircle of the round rod, and accords with industrial utilization.
Referring to fig. 1, 2 and 3, which are schematic views of a preferred embodiment of the present invention, the present invention provides a rigid cylindrical grinding device for a miniature round bar, which comprises a driving unit 1, a grinding wheel 2 and a follow-up material supporting assembly 3.
This drive unit 1 contains removal base 11, chuck 12 and the rotatory first power piece 13 of drive chuck 12 at least, removal base 11 equipment is on bearing structure and realize at a linear direction reciprocating motion, joins in marriage the silk pole through the motor and constitute linear motion and realize or directly realize with the drive of linear servo motor, and bearing structure is last to be equipped with the guide structure of supplementary removal base 11 linear motion appropriately, reaches removal base 11 steady, accurate motion, guarantees the feed grinding. The chuck 12 and the first power part 13 are assembled on the movable base 11, and the first power part 13 can be a servo motor matched with a coupler structure to drive the chuck 12 to stably rotate; the chuck 12 clamps one end of the miniature round rod 4 to be processed, and the other end of the miniature round rod 4 is suspended, so that the chuck 12 drives the miniature round rod 4 to perform cylindrical grinding processing. The grinding wheel 2 is arranged in the direction of the reciprocating motion of the movable base 11, the grinding wheel 2 rotates automatically, and the circumferential surface of the grinding wheel 2 grinds the miniature round bar 4. The follow-up material supporting component 3 is provided with a material supporting seat 31, a push rod 32 and a second power part 33, the material supporting seat 31 is assembled on the movable base 11 and driven by the second power part 33 to realize the reciprocating motion relative to the movable base 11 so as to achieve the automatic compensation of the gap after the follow-up material supporting is carried out on the grinding quantity, so that the follow-up material supporting and the grinding wheel are both contacted with the miniature round bar in the whole grinding process, and the motion direction of the material supporting seat 31 is the same as the reciprocating motion direction of the movable base 11. The ejector rod 32 is assembled on the material supporting seat 31, and one end of the ejector rod 32 contacts the miniature round rod 4 and forms relative contact with the grinding wheel 2 to form bilateral symmetry support. During operation, the excircle of miniature pole is ground to emery wheel 2, and the miniature pole is propped up to ejector pin 32, then increases the rigidity at the grinding position of miniature pole, guarantees miniature pole and emery wheel 2 grinding contact, promotes grinding efficiency and quality, and ejector pin 32 props up miniature pole still has and prevents the rotatory vibrations of miniature pole simultaneously, guarantees to rotate with one heart and processes. Furthermore, the center of the end of the ejector rod 32 contacting the miniature round rod 4 and the rotation center of the grinding wheel 2 are on the same horizontal line, and the center of the end of the ejector rod 32 contacting the miniature round rod 4 is provided with a concave V-shaped rabbet 321, which is beneficial to the post-transition of grinding quantity and the automatic compensation of gaps, obtains a better material supporting effect, and ensures the grinding precision of excircle and concentricity.
Referring to fig. 1, 2 and 3, the second power part 33 is a linear motion module composed of a motor matching screw or a linear servo motor, and the linear motion is stable and accurate, so that the automatic control is facilitated, and the compensation of the ejector rod 32 is ensured to be consistent with the grinding amount of the grinding wheel. In this embodiment, chuck 12 is air chuck, and the automatic unloading of going up of cooperation manipulator 5 reaches automatic unloading of going up, reduces artifical intensity of labour, need not possess super operation experience, has practiced thrift the cost in the manual work, and production efficiency is high.
The following is a comparison table of rigid grinding and conventional grinding using the present invention:
in conclusion, the follow-up material supporting device assists in the grinding process of the round bar, and the follow-up material supporting device not only needs to advance along with the feed of the driving unit, but also needs to realize automatic compensation of the gap after grinding; and the follow-up material support and the grinding wheel are respectively arranged at the opposite sides of the miniature round rod, and both the follow-up material support and the grinding wheel contact the miniature round rod in the whole grinding process, so that the following beneficial effects are obtained:
1. the automatic cutting machine is suitable for grinding round rods with various diameters, realizes quick and rigid continuous cutting of the excircle of the round rod, is simple in process, automatically operates, reduces the labor intensity of workers, does not need to have high operation experience, saves the cost on the labor, and is high in production efficiency.
2. The auxiliary follow-up material supporting reduces the vibration amplitude of the round rod generated in the rotary grinding process, prevents the round rod from being broken in the machining process, enables the surface of the round rod to be ground uniformly, and ensures the grinding precision of the excircle and the concentricity.
3. The device has the advantages of simple integral structure, convenience, practicability, easy production and manufacture, wide application range, effective reduction of the labor intensity of operators, economy, safety and excellent economic and social benefits.
While the preferred embodiments of the invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. The rigid cylindrical grinding method of the miniature round rod is characterized by comprising the following steps:
s1, a loading step, namely loading the micro round bar to be processed on a driving unit, wherein one end of the micro round bar is suspended;
s2, grinding, namely, driving the miniature round rod to rotate by the driving unit and driving the miniature round rod to approach the grinding wheel for continuous feed grinding, and simultaneously assisting a follow-up material supporting, wherein the follow-up material supporting not only needs to advance along with the feed of the driving unit, but also needs to realize automatic compensation of a gap after grinding; the follow-up material support and the grinding wheel are respectively arranged on the opposite sides of the miniature round rod, and both the follow-up material support and the grinding wheel contact the miniature round rod in the whole grinding process;
and S3, receiving materials, namely stopping the rotation of the miniature round rods and driving the miniature round rods to be far away from the grinding wheel by the driving unit after grinding is finished, and then unloading the ground miniature round rods and uniformly collecting the rods.
2. The rigid cylindrical grinding method of the miniature round bar as set forth in claim 1, wherein the feeding step and the receiving step are automatically fed and discharged by a robot.
3. The rigid cylindrical grinding method of the miniature round rod according to claim 1, wherein the automatic compensation of the gap after the grinding amount of the follow-up material supporting is realized by the linear motion of a motor wire distributing rod or directly driven by a linear servo motor.
4. Miniature pole rigidity cylindrical grinding device, its characterized in that has:
the driving unit (1), the driving unit (1) includes moving the base (11) at least, the chuck (12) and drives the first power part (13) that the chuck (12) rotates, the said moving base (11) is assembled on supporting structure and realized in a straight line direction reciprocating motion, the chuck (12) and first power part (13) are assembled on moving the base (11); the chuck (12) clamps one end of a micro round rod (4) to be processed, and the other end of the micro round rod (4) is suspended in the air;
the grinding wheel (2) is arranged in the reciprocating motion direction of the movable base (11), the grinding wheel (2) rotates automatically, and the circumferential surface of the grinding wheel (2) grinds the miniature round rod (4);
the follow-up material supporting component (3), the follow-up material supporting component (3) is provided with a material supporting seat (31), a push rod (32) and a second power part (33), the material supporting seat (31) is assembled on the movable base (11) and is driven by the second power part (33) to realize the reciprocating motion relative to the movable base (11), and the motion direction of the material supporting seat (31) is the same as the reciprocating motion direction of the movable base (11); the ejector rod (32) is assembled on the material supporting seat (31), and one end of the ejector rod (32) is in contact with the miniature round rod (4) and forms relative contact with the grinding wheel (2).
5. The rigid cylindrical grinding device for the miniature round rod according to claim 4, characterized in that the center of the end of the ejector rod (32) contacting the miniature round rod (4) is on the same horizontal line with the rotation center of the grinding wheel (2).
6. The rigid cylindrical grinding device of the miniature round bar according to claim 4, characterized in that the second power member (33) is a linear motion module composed of a motor wire distributing rod or a linear servo motor.
7. The rigid cylindrical grinding device for the miniature round bar according to claim 5, wherein the center of the end of the ejector rod (32) contacting the miniature round bar (4) is provided with a concave V-shaped rabbet (321).
8. The rigid cylindrical grinding device of the miniature round bar according to claim 4, characterized in that the chuck (12) is a pneumatic chuck, and the automatic feeding and discharging of the mechanical arm (5) is matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110305009.3A CN112935952A (en) | 2021-03-23 | 2021-03-23 | Rigid cylindrical grinding method and device for miniature round rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110305009.3A CN112935952A (en) | 2021-03-23 | 2021-03-23 | Rigid cylindrical grinding method and device for miniature round rod |
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| Publication Number | Publication Date |
|---|---|
| CN112935952A true CN112935952A (en) | 2021-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110305009.3A Pending CN112935952A (en) | 2021-03-23 | 2021-03-23 | Rigid cylindrical grinding method and device for miniature round rod |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113714907A (en) * | 2021-09-28 | 2021-11-30 | 江苏老树宠物用品有限公司 | Polishing machine for outer circle of wood pole |
| CN113843668A (en) * | 2021-09-26 | 2021-12-28 | 广东拓斯达科技股份有限公司 | Full-automatic external grinding equipment |
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| US20030186631A1 (en) * | 2002-03-29 | 2003-10-02 | Toyoda Koki Kabushiki Kaisha | Cylindrical grinder, and mechanism for producing relative movement between grinding wheel and workpiece in cylindrical grinder |
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| EP3235595A1 (en) * | 2014-12-16 | 2017-10-25 | Tianjin University | Cylindrical-component grinding device, and workpiece advancing apparatus and grinding method thereof |
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| CN208584396U (en) * | 2018-08-21 | 2019-03-08 | 成都欧珀琅精密工具有限公司 | A kind of work support and the cylindrical grinder for installing the work support |
| CN211589474U (en) * | 2020-02-21 | 2020-09-29 | 日照铸福实业有限公司 | Nodular cast iron pipe fitting internal surface finish machining equipment |
| CN211940146U (en) * | 2020-03-31 | 2020-11-17 | 河源富马硬质合金股份有限公司 | Hard alloy round bar grinding device |
| CN214559546U (en) * | 2021-03-23 | 2021-11-02 | 张地宁 | Rigid cylindrical grinding device for miniature round rod |
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2021
- 2021-03-23 CN CN202110305009.3A patent/CN112935952A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030026662A (en) * | 2001-09-26 | 2003-04-03 | 주식회사 포스코 | Device for grinding the soft mineral roll of annealing pickling line |
| US20030186631A1 (en) * | 2002-03-29 | 2003-10-02 | Toyoda Koki Kabushiki Kaisha | Cylindrical grinder, and mechanism for producing relative movement between grinding wheel and workpiece in cylindrical grinder |
| EP3235595A1 (en) * | 2014-12-16 | 2017-10-25 | Tianjin University | Cylindrical-component grinding device, and workpiece advancing apparatus and grinding method thereof |
| CN205660495U (en) * | 2016-06-03 | 2016-10-26 | 湖南安福气门有限公司 | Full -automatic centerless grinder's last unloading mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113843668A (en) * | 2021-09-26 | 2021-12-28 | 广东拓斯达科技股份有限公司 | Full-automatic external grinding equipment |
| CN113714907A (en) * | 2021-09-28 | 2021-11-30 | 江苏老树宠物用品有限公司 | Polishing machine for outer circle of wood pole |
| CN113714907B (en) * | 2021-09-28 | 2022-12-16 | 江苏老树宠物用品有限公司 | Polishing machine for outer circle of wood pole |
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