CN111993224A - Swinging device for eccentric arc grinding - Google Patents
Swinging device for eccentric arc grinding Download PDFInfo
- Publication number
- CN111993224A CN111993224A CN202010919673.2A CN202010919673A CN111993224A CN 111993224 A CN111993224 A CN 111993224A CN 202010919673 A CN202010919673 A CN 202010919673A CN 111993224 A CN111993224 A CN 111993224A
- Authority
- CN
- China
- Prior art keywords
- wedge block
- eccentric
- grinding
- transmission
- frame
- 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
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- 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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/08—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
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- 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
- B24B41/02—Frames; Beds; Carriages
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- 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
- B24B41/06—Work supports, e.g. adjustable steadies
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- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a swinging device for grinding an eccentric arc, which comprises a driving piece, a transmission structure and a swinging structure, wherein the transmission structure is connected with the driving piece and the swinging structure; the transmission structure comprises a transmission wheel, a transmission rod and a connecting rod; the driving wheel is sleeved on an output shaft of the driving piece and is provided with a notch; the swing structure comprises a deflection frame, a deflection frame fixing piece and a wedge block fixing piece; the eccentric arc grinding device is simple in structure and convenient to use, the eccentric adjustment is realized through the eccentric frame to achieve the concentric purpose, the motor is started to perform cam motion, and the arc length of the swinging is adjusted through the arc length distance of the upper and lower eccentric swings to realize the grinding processing of the eccentric arc of the wedge block; the small ends at the two ends of the wedge block and the deflection frame are fastened and clamped through the wedge block fixing piece, and the positioning precision of the wedge block is guaranteed.
Description
Technical Field
The invention relates to the field of processing of non-return devices, in particular to a swinging device for grinding an eccentric circular arc.
Background
The backstop is characterized in that a plurality of opposite-shaped wedges are distributed in a roller path formed by an inner ring and an outer ring according to a certain rule, each wedge adopts two unique torsional springs, the gapless backstop under stress and the stress synchronism of each wedge can be ensured, the inner ring of the backstop is driven to rotate reversely by the lifting gravity of materials to drive the opposite-shaped wedges to rotate, the backstop wedges and the inner ring and the outer ring are tightly wedged into a whole, the gapless backstop function is realized, the structural shapes and the precision requirements of the wedges are high according to the factors such as the service performance, the structural characteristics and the like of the opposite-shaped wedges of the backstop, and if the eccentric positioning is not accurate, the sizes of arc radians are not consistent, the height precision of the arc radians is not accurate, the service performance of the running quality.
Based on the above situation, the invention provides a swing device for grinding an eccentric arc, which can effectively solve the above problems.
Disclosure of Invention
The invention aims to provide a swinging device for grinding an eccentric arc. The swinging device for grinding the eccentric circular arc has a simple structure, is convenient to use, realizes the eccentric adjustment through the deflection frame to achieve the concentric purpose, starts the motor to perform cam motion, and adjusts the swinging arc length through the arc length distance of the up-down deflection to realize the grinding processing of the eccentric circular arc of the wedge block; the small ends at the two ends of the wedge block and the deflection frame are fastened and clamped through the wedge block fixing piece, and the positioning precision of the wedge block is guaranteed.
The invention is realized by the following technical scheme:
a swing device for grinding an eccentric circular arc comprises a driving piece, a transmission structure and a swing structure, wherein the transmission structure is connected with the driving piece and the swing structure;
the transmission structure comprises a transmission wheel, a transmission rod and a connecting rod; the driving wheel is sleeved on an output shaft of the driving piece and is provided with a notch; one end of the transmission rod is rotatably connected with the notch, and the other end of the transmission rod is rotatably connected with one end of the connecting rod; the other end of the connecting rod is connected with the swinging structure;
the swing structure comprises a deflection frame, a deflection frame fixing piece and a wedge block fixing piece; one end of the connecting rod is rotatably connected with one end of the deflection frame; the deflection frame fixing pieces are arranged on the outer sides of the two ends of the deflection frame; the wedge block fixing pieces are arranged on the inner sides of the two ends of the deflection frame.
The eccentric adjustment is realized through the eccentric frame to achieve the concentric purpose, the motor is started to do cam motion, and the arc length of the swing is adjusted through the arc length distance of the upper and lower eccentric swings to realize the grinding processing of the eccentric arc of the wedge block; the small ends at the two ends of the wedge block and the deflection frame are fastened and clamped through the wedge block fixing piece, and the positioning precision of the wedge block is guaranteed.
Preferably, the notch is elongated in a radial direction of the driving wheel.
Preferably, the deflection frame fixing part is a fixed tip and is used for fixing the deflection frame on the cylindrical grinding machine.
Preferably, the wedge block fixing piece is a tensioning screw and is used for fixing the wedge block on the deflection frame.
Preferably, the driving member is a reduction motor.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the swinging device for grinding the eccentric circular arc has a simple structure, is convenient to use, realizes the eccentric adjustment through the deflection frame to achieve the concentric purpose, starts the motor to perform cam motion, and adjusts the swinging arc length through the arc length distance of the up-down deflection to realize the grinding processing of the eccentric circular arc of the wedge block; the small ends at the two ends of the wedge block and the deflection frame are fastened and clamped through the wedge block fixing piece, and the positioning precision of the wedge block is guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic side view of the present invention.
In the figure: 4-a wedge;
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1 to 3, an oscillating device for grinding an eccentric arc comprises a driving member 1, a transmission structure 2 and an oscillating structure 3, wherein the transmission structure 2 is connected with the driving member 1 and the oscillating structure 3;
the transmission structure 2 comprises a transmission wheel 21, a transmission rod 22 and a connecting rod 23; the driving wheel 21 is sleeved on the output shaft 11 of the driving part 1, and a notch 211 is formed in the driving wheel 21; one end of the transmission rod 22 is rotatably connected with the notch 211, and the other end of the transmission rod 22 is rotatably connected with one end of the connecting rod 23; and the other end of the connecting rod 23 is connected with the swing structure 3;
the swing structure 3 comprises a swing frame 31, a swing frame fixing member 32 and a wedge block fixing member 33; one end of the connecting rod 23 is rotatably connected with one end of the swing frame 31; the swing frame fixing parts 32 are arranged on the outer sides of two ends of the swing frame 31; the wedge fixing members 33 are provided at the inner sides of both ends of the yaw frame 31.
The eccentric adjustment is realized through the deflection frame 31 to achieve the concentric purpose, the motor is started to do cam motion, and the arc length of the swing is adjusted through the arc length distance of the up-down deflection to realize the grinding processing of the eccentric arc of the wedge block; the small ends at the two ends of the wedge block and the deflection frame 31 are fastened and clamped through the wedge block fixing piece 33, and the positioning precision of the wedge block is guaranteed.
Further, in another embodiment, the notch 211 is elongated in a radial direction of the transmission wheel 21.
The notch 211 is long, and the vertical swing amplitude of the deflection frame 31 can be adjusted by adjusting the position of the transmission rod 22 on the notch 211 and adjusting the fixed position of the eccentric distance, so as to adjust the eccentric position of the eccentric arc.
Further, in another embodiment, the holder fixing part 32 is a fixed tip, and the holder fixing part 32 is used for fixing the holder 31 on the cylindrical grinder.
The eccentric frame 31 can be better fixed on the cylindrical grinder by adopting the fixed center.
Further, in another embodiment, the wedge fixing member 33 is a tension screw, and the wedge fixing member 33 is used for fixing a wedge on the deflection frame 31.
The wedge block can be better fixed on the deflection frame by adopting the tensioning screw.
Further, in another embodiment, the driving member 1 is a reduction motor.
By adopting the speed reducing motor, higher output torque can be ensured under the condition of keeping low speed, the rotational inertia of a load can be reduced, and a better grinding effect of the wedge block during grinding is ensured.
The working principle of one embodiment of the invention is as follows:
a swing device for grinding an eccentric circular arc is characterized in that a swing frame 31 is fixed on an external grinding machine through a swing frame fixing block 32, one end of the swing frame 31 is connected with one end of a connecting rod 23, the other end of the connecting rod 23 is connected with one end of a transmission rod 22, the other end of the transmission rod 22 is rotatably connected to a notch 211 on a transmission wheel 21, and the transmission wheel 21 is sleeved on an output shaft 11 of a driving piece 1; the driving piece 1 drives the driving wheel 21 to rotate, and drives the deflection frame 31 through the transmission rod 22 and the connecting rod 23 to realize eccentric adjustment so as to achieve the concentric purpose.
According to the description of the invention and the attached drawings, the swinging device for grinding the eccentric circular arc of the invention can be easily manufactured or used by the technicians in the field, and the positive effects recorded by the invention can be generated.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (5)
1. The utility model provides a pendulous device that eccentric circular arc grinding was used which characterized in that: the device comprises a driving piece (1), a transmission structure (2) and a swinging structure (3), wherein the transmission structure (2) is connected with the driving piece (1) and the swinging structure (3);
the transmission structure (2) comprises a transmission wheel (21), a transmission rod (22) and a connecting rod (23); the driving wheel (21) is sleeved on the output shaft (11) of the driving part (1), and a notch (211) is formed in the driving wheel (21); one end of the transmission rod (22) is rotatably connected with the notch (211), and the other end of the transmission rod (22) is rotatably connected with one end of the connecting rod (23); the other end of the connecting rod (23) is connected with the swinging structure (3);
the swing structure (3) comprises a deflection frame (31), a deflection frame fixing piece (32) and a wedge block fixing piece (33); one end of the connecting rod (23) is rotatably connected with one end of the deflection frame (31); the swing frame fixing pieces (32) are arranged on the outer sides of two ends of the swing frame (31); the wedge block fixing pieces (33) are arranged on the inner sides of the two ends of the swing frame (31).
2. The oscillating device for grinding an eccentric circular arc according to claim 1, wherein: the notch (211) is long in the radial direction of the driving wheel (21).
3. The oscillating device for grinding an eccentric circular arc according to claim 1, wherein: the deflection frame fixing piece (32) is a fixed tip, and the deflection frame fixing piece (32) is used for fixing the deflection frame (31) on the cylindrical grinder.
4. The oscillating device for grinding an eccentric circular arc according to claim 1, wherein: the wedge block fixing piece (33) is a tensioning screw, and the wedge block fixing piece (33) is used for fixing the wedge block on the deflection frame (31).
5. The oscillating device for grinding an eccentric circular arc according to claim 1, wherein: the driving piece (1) is a speed reducing motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010919673.2A CN111993224A (en) | 2020-09-04 | 2020-09-04 | Swinging device for eccentric arc grinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010919673.2A CN111993224A (en) | 2020-09-04 | 2020-09-04 | Swinging device for eccentric arc grinding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111993224A true CN111993224A (en) | 2020-11-27 |
Family
ID=73468725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010919673.2A Pending CN111993224A (en) | 2020-09-04 | 2020-09-04 | Swinging device for eccentric arc grinding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111993224A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116038514A (en) * | 2023-02-10 | 2023-05-02 | 中国机械总院集团海西(福建)分院有限公司 | Grinding and polishing machine tool and swing arm mechanism thereof |
| CN117644471A (en) * | 2024-01-29 | 2024-03-05 | 北京特思迪半导体设备有限公司 | Method for precisely adjusting eccentricity of eccentric driving mechanism |
-
2020
- 2020-09-04 CN CN202010919673.2A patent/CN111993224A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116038514A (en) * | 2023-02-10 | 2023-05-02 | 中国机械总院集团海西(福建)分院有限公司 | Grinding and polishing machine tool and swing arm mechanism thereof |
| CN117644471A (en) * | 2024-01-29 | 2024-03-05 | 北京特思迪半导体设备有限公司 | Method for precisely adjusting eccentricity of eccentric driving mechanism |
| CN117644471B (en) * | 2024-01-29 | 2024-04-16 | 北京特思迪半导体设备有限公司 | Method for precisely adjusting eccentricity of eccentric driving mechanism |
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