CN111571419A - Vibration grinding machine - Google Patents
Vibration grinding machine Download PDFInfo
- Publication number
- CN111571419A CN111571419A CN202010481378.3A CN202010481378A CN111571419A CN 111571419 A CN111571419 A CN 111571419A CN 202010481378 A CN202010481378 A CN 202010481378A CN 111571419 A CN111571419 A CN 111571419A
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- grinding
- polished
- vibration
- workpiece
- driving motor
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- 230000033001 locomotion Effects 0.000 claims abstract description 42
- 238000003756 stirring Methods 0.000 claims abstract description 41
- 239000003082 abrasive agent Substances 0.000 claims abstract description 6
- 238000013016 damping Methods 0.000 claims description 31
- 230000035939 shock Effects 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 230000000295 complement effect Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/06—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving oscillating or vibrating containers
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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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
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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
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
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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
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
A vibratory grinding machine comprising: the device comprises a control display screen, a shell, an upper cover, a bottom plate, a driving motor, a motor base, an eccentric disc, a crank connecting rod mechanism, a vibration mechanism, a grinding stirring rod, a grinding cylinder mounting table and a grinding cylinder; it realizes grinding puddler side-to-side movement about through driving motor, crank link mechanism, and then drives the vibration of vibration mechanism through the mounting panel, makes the abrasive material in the grinding vessel obtain three kinds of movements: the strong throwing motion can quickly break large foreign matters on the surface of the workpiece to be polished; the workpiece to be polished is ground by high-speed homodromous autorotation motion; the slow revolution motion ensures that the workpiece to be polished is uniformly polished without dead angles, and the grinding quality is improved.
Description
Technical Field
The invention relates to the technical field of grinding, polishing and grinding, in particular to a vibration grinding machine.
Background
Grinding refers to grinding off foreign matters such as rust, oil sludge and the like on the surface of a workpiece by using an abrasive, so that the roughness and the cleanliness of the workpiece are ensured; for example, the patent numbers are: 2019105077445 discloses a grinder comprising: the device comprises a cylinder, a host base, a driving device and a driving base; the end part of one end of the outer wall of the barrel body is provided with a large gear, the round bottom surfaces of the two ends of the barrel body are respectively provided with a feeding spiral barrel and a discharging spiral barrel, the inner wall surface of at least one of the feeding spiral barrel and the discharging spiral barrel is provided with a guiding spiral structure formed by metal rod-shaped materials, and the feeding spiral barrel is connected with a feeding hole; the driving device comprises a motor, a coupler, a speed reducer and a pinion, and the pinion is meshed with the large gear of the cylinder, so that the motor drives the cylinder to rotate; the unique screw port design can guide oil sludge pollutants to enter the cylinder body and guide ground oil sludge pollutants to leave the cylinder body, and simultaneously can reduce the blockage of the oil sludge pollutants on the spiral barrel;
however, after the grinding machines shown in the examples are used, the grinding material movement modes of the grinding machines are relatively single, the grinding effect is poor for special-shaped workpieces, and grinding dead corners exist; leading to poor grinding performance;
therefore, it is urgently needed to invent a vibration grinding machine which can make the grinding material move in multiple angles and remove grinding dead angles to solve the technical problems.
Disclosure of Invention
In order to solve the problems, the invention provides a vibration grinding machine, which realizes the vertical and horizontal movement of a grinding stirring rod through a driving motor and a crank-link mechanism, and further drives a vibration mechanism to vibrate through a mounting plate, so that grinding materials in a grinding cylinder obtain three movements: the strong throwing motion can quickly break large foreign matters on the surface of the workpiece to be polished; the workpiece to be polished is ground by high-speed homodromous autorotation motion; the slow revolution motion ensures that the workpiece to be polished is uniformly polished without dead angles, and the grinding quality is improved.
The technical scheme adopted by the invention is as follows: a vibratory grinding machine comprising: the device comprises a control display screen, a shell, an upper cover, a bottom plate, a driving motor, a motor base, an eccentric disc, a crank connecting rod mechanism, a vibration mechanism, a grinding stirring rod, a grinding cylinder mounting table and a grinding cylinder;
the control display screen is arranged on the surface of the shell and used for controlling the whole machine; the top of the shell is provided with an opening, the upper cover can be rotationally covered on the opening, and the bottom of the shell is covered on the periphery of the bottom plate; the lower part of the vibration mechanism is arranged on the bottom plate through a damping spring, and the upper part of the damping spring is connected with the damping platform;
the motor base is fixedly arranged on the bottom surface of the damping platform, and the driving motor is fixedly arranged on the motor base; a motor shaft of the driving motor is connected with the center of the eccentric disc, and the crank connecting rod mechanism is rotatably arranged on an eccentric shaft of the eccentric disc;
the lower part of the grinding cylinder mounting table is fixedly mounted on the top surface of the damping platform through a fixing column, a mounting plate is arranged on the fixing column, and the grinding cylinder is mounted on the mounting plate; the upper part of the grinding stirring rod extends into the grinding cylinder, the middle part of the grinding stirring rod penetrates through the mounting plate and is hinged to the upper surface and the lower surface of the mounting plate through universal bearings, and the bottom of the grinding stirring rod is connected with a crank link mechanism;
putting a workpiece to be polished and an abrasive material into a grinding cylinder, and starting the driving motor by controlling a display screen; driving motor passes through the eccentric disc and drives crank link mechanism side-to-side movement from top to bottom, and crank link mechanism drives grind the puddler side-to-side movement from top to bottom, and then drive the vibration of vibration mechanism through the mounting panel, make the abrasive material in the grinding vessel obtain three kinds of movements: the strong throwing motion can quickly break large foreign matters on the surface of the workpiece to be polished; the workpiece to be polished is ground by high-speed homodromous autorotation motion; the workpiece to be polished is uniformly polished without dead angles by the slow revolution motion.
Further, the crank link mechanism includes: a bearing and a connecting rod;
the bottom end of the connecting rod is rotatably installed on an eccentric shaft of the eccentric disc through a bearing, and the top end of the connecting rod is connected with a pin seat of the grinding stirring rod through a pin shaft.
Further, the vibration mechanism includes: the damping device comprises a damping spring, a damping platform, a short cushion column and an inner hexagon screw;
damping spring one end fixed mounting is on the bottom plate, and the other end is connected with short pad post, the shock attenuation platform passes through hexagon socket head cap screw to be fixed on short pad post.
Further, the grinding agitator bar includes: the pin seat, the disc, the rod body and the stirring wheel;
the bottom end of the rod body is provided with a pin boss, the pin boss is connected with a crank link mechanism, the disc sleeve is arranged at the middle part of the rod body and used for stirring the bottom of the grinding cylinder, and the stirring wheel sleeve is arranged at the middle upper part of the rod body and used for stirring the middle upper part of the grinding cylinder.
Further, the grinding cylinder mounting table includes: the fixing device comprises a fixing column, a mounting plate, a fixing bolt and a fixing round seat;
the mounting panel passes through fixing bolt fixed mounting on the fixed column, the center of mounting panel is provided with fixed round seat, the grinding vessel installation is placed on fixed round seat.
Further, a balancing weight is arranged on the bottom plate and used for preventing the bottom plate from vibrating and shifting.
Furthermore, 4 foot pads are arranged at four corners of the lower end surface of the bottom plate.
Due to the adoption of the technical scheme, the invention has the following advantages:
(1) according to the invention, the grinding stirring rod moves up and down, left and right through the driving motor and the crank connecting rod mechanism, and then the vibration mechanism is driven to vibrate through the mounting plate, so that the grinding materials in the grinding cylinder obtain three motions: the strong throwing motion can quickly break large foreign matters on the surface of the workpiece to be polished; the workpiece to be polished is ground by high-speed homodromous autorotation motion; the workpiece to be polished is uniformly polished without dead angles by virtue of slow revolution motion, so that the polishing quality is improved;
(2) the driving motor is fixedly arranged on the bottom surface of the damping platform through the motor base, the driving motor is driven to synchronously move in the up-and-down movement process of the damping platform, and the damping platform is driven to vibrate when the driving motor drives the crank-link mechanism and the grinding stirring rod to move, and the two movements complement each other, so that a better grinding effect is realized.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic structural view after the housing and the upper cover are hidden in the invention.
Fig. 3 is a schematic structural view of the crank mechanism of the present invention.
Fig. 4 is a schematic structural diagram of the vibration mechanism of the present invention.
Fig. 5 is a schematic structural diagram of the hidden housing according to the present invention.
Fig. 6 is a top view of the present invention with the upper lid open.
Reference numerals: 1-controlling a display screen; 2-a shell; 3-covering the cover; 4-a bottom plate; 5-driving a motor; 6-motor base; 7-eccentric disc; 8-crank link mechanism; 9-a vibration mechanism; 10-grinding the stirring rod; 11-grinding cylinder mounting table; 12-a counterweight block; 13-foot pad; 801-bearings; 802-linkage; 901-damping springs; 902-a shock absorbing platform; 903-short cushion column; 904-socket head cap screw; 1001-pin boss; 1002-a disc; 1003-pole body; 1004-stirring wheel; 1101-fixed columns; 1102-a mounting plate; 1103 — fixing bolts; 1104-fixed round seat.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in many ways other than those described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Embodiment, as shown in fig. 1 to 6, a vibration grinder, it is first emphasized that the driving motor 5 of the present invention vibrates while working, so that when it is popularized, a user must be informed to check whether the fixing screw of the driving motor 5 is loosened periodically to avoid the risk of dropping the motor. The method specifically comprises the following steps: the grinding and stirring device comprises a control display screen 1, a shell 2, an upper cover 3, a bottom plate 4, a driving motor 5, a motor base 6, an eccentric disc 7, a crank connecting rod mechanism 8, a vibration mechanism 9, a grinding and stirring rod 10, a grinding cylinder mounting table 11 and a grinding cylinder;
the control display screen 1 is arranged on the surface of the shell 2 and is used for controlling the whole machine; the top of the shell 2 is provided with an opening, the upper cover 3 can be rotationally covered on the opening, and the bottom of the shell 2 is covered around the bottom plate 4; the lower part of the vibration mechanism 9 is arranged on the bottom plate 4 through a damping spring 901, and the upper part of the damping spring 901 is connected with a damping platform 902;
the motor base 6 is fixedly arranged on the bottom surface of the damping platform 902, and the driving motor 5 is fixedly arranged on the motor base 6; a motor shaft of the driving motor 5 is connected with the center of the eccentric disc 7, and the crank connecting rod mechanism 8 is rotatably arranged on an eccentric shaft of the eccentric disc 7; in the process of up-and-down movement of the damping platform 902, the driving motor 5 is driven to move synchronously, and when the driving motor 5 drives the crank-link mechanism 8 and the grinding stirring rod 10 to move, the damping platform 902 is driven to vibrate, and the two movements complement each other, so that a better grinding effect is realized;
the bottom plate 4 is provided with the balancing weight 12, the balancing weight 12 is used for preventing the bottom plate 4 from vibrating and shifting, and the balancing weight 12 is arranged to be beneficial to the whole fixation of the grinding machine and avoid shifting due to vibration because the vibration force generated during grinding is very large; the four corners of the lower end surface of the bottom plate 4 are provided with 4 foot pads 13, and the 4 foot pads 13 can be adjusted, so that the integral leveling is convenient;
the lower part of the grinding cylinder mounting table 11 is fixedly mounted on the top surface of the damping platform 902 through a fixing column 1101, a mounting plate 1102 is arranged on the fixing column 1101, and the grinding cylinder is mounted on the mounting plate 1102; the upper part of the grinding stirring rod 10 extends into the grinding cylinder, the middle part of the grinding stirring rod passes through the mounting plate 1102 and is hinged on the upper surface and the lower surface of the mounting plate 1102 through universal bearings, and the bottom of the grinding stirring rod is connected with the crank link mechanism 8;
putting a workpiece to be polished and an abrasive into a grinding cylinder, and starting a driving motor 5 by controlling a display screen 1; driving motor 5 drives 8 upper and lower side-to-side motion of crank link mechanism through eccentric disc 7, and 8 drive of crank link mechanism grind puddler 10 upper and lower side-to-side motion, and then drive the vibration of vibrating mechanism 9 through mounting panel 1102, make the abrasive material in the grinding vessel obtain three kinds of movements: the strong throwing motion can quickly break large foreign matters on the surface of the workpiece to be polished; the workpiece to be polished is ground by high-speed homodromous autorotation motion; the slow revolution motion ensures that the workpiece to be polished is uniformly polished without dead angles, thereby improving the grinding quality.
In an alternative embodiment of the present invention, as shown in fig. 3, the crank mechanism 8 includes, in addition to the same components as in the previous embodiment: bearing 801 and link 802;
the bottom end of the connecting rod 802 is rotatably mounted on the eccentric shaft of the eccentric disc 7 through a bearing 801, and the top end thereof is connected with a pin seat 1001 of the grinding and stirring rod 10 through a pin shaft;
the grinding stirring rod 10 includes: a pin holder 1001, a disc 1002, a rod body 1003 and a stirring wheel 1004;
a pin boss 1001 is mounted at the bottom end of the rod body 1003, the pin boss 1001 is connected with the crank link mechanism 8, a disc 1002 is sleeved at the middle part of the rod body 1003 and used for stirring the bottom of the grinding cylinder, and a stirring wheel 1004 is sleeved at the middle upper part of the rod body 1003 and used for stirring the middle upper part of the grinding cylinder; that is to say, when the grinding stirring rod 10 moves up and down, it not only stirs the grinding cylinder, but also drives the grinding cylinder to vibrate back and forth on the vibration mechanism 9, so that the grinding material in the grinding cylinder can obtain various motions, and the effect of improving the grinding quality is achieved.
In an alternative embodiment of the present invention, as shown in fig. 4, the vibration mechanism 9 includes, in addition to the same components as in the previous embodiment: a shock-absorbing spring 901, a shock-absorbing platform 902, a short cushion column 903 and a hexagon socket screw 904;
one end of a damping spring 901 is fixedly arranged on the bottom plate 4, the other end of the damping spring is connected with the short cushion column 903, and a damping platform 902 is fixed on the short cushion column 903 through an inner hexagon screw 904;
the grinding cylinder mounting table 11 includes: a fixing column 1101, a mounting plate 1102, a fixing bolt 1103 and a fixing circular seat 1104;
the mounting plate 1102 is fixedly mounted on a fixing column 1101 through a fixing bolt 1103, a fixing circular seat 1104 is arranged at the center of the mounting plate 1102, and the grinding cylinder is mounted on the fixing circular seat 1104; grinding stirring rod 10 drives mounting panel 1102 up-and-down motion, and then drives shock attenuation platform 902 vibration from top to bottom, makes the grinding vessel vibrate from top to bottom, in shock attenuation platform 902 up-and-down motion process, drives driving motor 5 synchronous motion, and when driving motor 5 drive crank link mechanism 8 and grinding stirring rod 10 moved, drives shock attenuation platform 902 vibration again, and two kinds of motion complement each other, has realized better grinding effect.
Claims (7)
1. A vibratory grinding machine, comprising: the grinding and stirring device comprises a control display screen (1), a shell (2), an upper cover (3), a bottom plate (4), a driving motor (5), a motor base (6), an eccentric disc (7), a crank connecting rod mechanism (8), a vibration mechanism (9), a grinding and stirring rod (10), a grinding cylinder mounting table (11) and a grinding cylinder;
the control display screen (1) is arranged on the surface of the shell (2) and used for controlling the whole machine; the top of the shell (2) is provided with an opening, the upper cover (3) can be rotatably covered on the opening, and the bottom of the shell (2) is covered on the periphery of the bottom plate (4); the lower part of the vibration mechanism (9) is arranged on the bottom plate (4) through a damping spring (901), and the upper part of the damping spring (901) is connected with a damping platform (902);
the motor base (6) is fixedly arranged on the bottom surface of the damping platform (902), and the driving motor (5) is fixedly arranged on the motor base (6); a motor shaft of the driving motor (5) is connected with the center of the eccentric disc (7), and the crank connecting rod mechanism (8) is rotatably arranged on an eccentric shaft of the eccentric disc (7);
the lower part of the grinding cylinder mounting table (11) is fixedly mounted on the top surface of the damping platform (902) through fixing columns (1101), mounting plates (1102) are arranged on the fixing columns (1101), and the grinding cylinder is mounted on the mounting plates (1102); the upper part of the grinding stirring rod (10) extends into the grinding cylinder, the middle part of the grinding stirring rod penetrates through the mounting plate (1102) and is hinged to the upper surface and the lower surface of the mounting plate (1102) through universal bearings, and the bottom of the grinding stirring rod is connected with a crank connecting rod mechanism (8);
putting a workpiece to be polished and abrasive materials into a grinding cylinder, and starting the driving motor (5) by controlling the display screen (1); driving motor (5) drive crank link mechanism (8) side-to-side movement about through eccentric disc (7), and crank link mechanism (8) drive grind puddler (10) side-to-side movement about, and then drive vibration mechanism (9) vibration through mounting panel (1102), make the abrasive material in the grinding vessel obtain three kinds of movements: the strong throwing motion can quickly break large foreign matters on the surface of the workpiece to be polished; the workpiece to be polished is ground by high-speed homodromous autorotation motion; the workpiece to be polished is uniformly polished without dead angles by the slow revolution motion.
2. A vibratory grinding machine as claimed in claim 1, characterised in that the crank-link mechanism (8) comprises: a bearing (801) and a connecting rod (802);
the bottom end of the connecting rod (802) is rotatably arranged on an eccentric shaft of the eccentric disc (7) through a bearing (801), and the top end of the connecting rod is connected with a pin seat (1001) of the grinding and stirring rod (10) through a pin shaft.
3. A vibrating mill according to claim 1, characterized in that the vibrating mechanism (9) comprises: the shock absorption device comprises a shock absorption spring (901), a shock absorption platform (902), a short cushion column (903) and an inner hexagon screw (904);
one end of the damping spring (901) is fixedly installed on the bottom plate (4), the other end of the damping spring is connected with the short cushion column (903), and the damping platform (902) is fixed on the short cushion column (903) through an inner hexagon screw (904).
4. A vibratory mill as claimed in claim 1, characterised in that the grinding agitator bar (10) comprises: the device comprises a pin seat (1001), a disc (1002), a rod body (1003) and a stirring wheel (1004);
a pin boss (1001) is installed at the bottom end of the rod body (1003), the pin boss (1001) is connected with a crank link mechanism (8), the disc (1002) is sleeved at the middle of the rod body (1003) and used for stirring the bottom of the grinding cylinder, and the stirring wheel (1004) is sleeved at the middle upper portion of the rod body (1003) and used for stirring the middle upper portion of the grinding cylinder.
5. A vibration mill according to claim 1, characterized in that the grinding cylinder mounting table (11) comprises: the device comprises a fixing column (1101), a mounting plate (1102), a fixing bolt (1103) and a fixing circular seat (1104);
the grinding device is characterized in that the mounting plate (1102) is fixedly mounted on a fixing column (1101) through a fixing bolt (1103), a fixing circular seat (1104) is arranged at the center of the mounting plate (1102), and the grinding cylinder is mounted on the fixing circular seat (1104).
6. A vibratory grinding machine as set forth in any one of claims 1-5, characterized in that the bottom plate (4) is provided with a weight (12), said weight (12) being adapted to prevent vibratory displacement of the bottom plate (4).
7. A vibration mill according to claim 6, characterized in that the bottom plate (4) is provided with 4 foot pads (13) at the four corners of its lower end surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010481378.3A CN111571419B (en) | 2020-05-31 | 2020-05-31 | Vibration grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010481378.3A CN111571419B (en) | 2020-05-31 | 2020-05-31 | Vibration grinding machine |
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| Publication Number | Publication Date |
|---|---|
| CN111571419A true CN111571419A (en) | 2020-08-25 |
| CN111571419B CN111571419B (en) | 2021-12-14 |
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| CN202010481378.3A Active CN111571419B (en) | 2020-05-31 | 2020-05-31 | Vibration grinding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112834147A (en) * | 2021-01-04 | 2021-05-25 | 江苏富浩电子科技有限公司 | Connector connection stability check out test set |
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