CN114227470A - Abrasive belt polishing machine - Google Patents
Abrasive belt polishing machine Download PDFInfo
- Publication number
- CN114227470A CN114227470A CN202111421307.5A CN202111421307A CN114227470A CN 114227470 A CN114227470 A CN 114227470A CN 202111421307 A CN202111421307 A CN 202111421307A CN 114227470 A CN114227470 A CN 114227470A
- Authority
- CN
- China
- Prior art keywords
- polishing machine
- transmission motor
- rotating wheel
- polishing
- machine body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- 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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
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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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—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
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
- B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
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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
-
- 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
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a belt sander, which is characterized in that: the polishing machine comprises a polishing machine body, wherein a first transmission motor is arranged on the polishing machine body, a driving rotating wheel is fixedly connected to an output shaft of the first transmission motor, a first fixed shaft is rotatably arranged above the first transmission motor, a tensioning rotating wheel is fixedly sleeved on the first fixed shaft, a tensioning cylinder is arranged below the tensioning rotating wheel, a second fixed shaft is rotatably arranged on the side wall of the polishing machine body, a driven rotating wheel is fixedly sleeved on the second fixed shaft, the driving rotating wheel, the driven rotating wheel and the tensioning rotating wheel are synchronously connected through an abrasive belt, a polishing supporting plate is arranged on the polishing machine body, and clamping mechanisms are arranged on the left side and the right side of the polishing supporting plate, so that the polishing machine has the beneficial effects that: the abrasive belt polishing machine can firmly clamp a workpiece on the abrasive belt polishing machine, and the workpiece surface is uniformly polished, so that the abrasive belt polishing machine is high in automation degree, high in polishing efficiency and good in effect.
Description
Technical Field
The invention belongs to the technical field of polishing machines, and particularly relates to an abrasive belt polishing machine.
Background
At present, polishing machine is many, general metal polishing machine, including the motor, the drive belt, the fixed plate, the axis of rotation, the emery wheel of grinding, traditional polishing work generally adopts artifical manually operation, the handheld work piece of operator promptly is close the burnishing machine and polishes, this kind of mode intensity of labour is big, and is inefficient, and the security performance is lower, to the work piece of hollow cylinder size, when polishing each position in the surface to the work piece, the inconvenient centre gripping of current abrasive band polishing machine, and the problem at polishing dead angle appears easily, lead to the work piece polishing inhomogeneous.
Disclosure of Invention
Aiming at the defects, the invention provides the abrasive belt polishing machine which can firmly clamp a workpiece on the abrasive belt polishing machine, and has the advantages of uniform workpiece surface polishing, high automation degree, high polishing efficiency and good effect.
The invention is realized by the following technical scheme: a belt sander comprises a sander body, a first transmission motor is arranged on the sander body, a driving rotating wheel is fixedly connected to an output shaft of the first transmission motor, a first fixed shaft is rotatably arranged above the first transmission motor, a tensioning rotating wheel is fixedly sleeved on the first fixed shaft, a tensioning cylinder is arranged below the tensioning rotating wheel, a second fixed shaft is rotatably arranged on the side wall of the sander body, a driven rotating wheel is fixedly sleeved on the second fixed shaft, the driving rotating wheel, the driven rotating wheel and the tensioning rotating wheel are synchronously connected through a sanding belt, a sanding support plate is arranged on the sander body, clamping mechanisms are arranged on the left side and the right side of the sanding support plate, each clamping mechanism comprises a support column, a second transmission motor, a driving gear, a driven gear, a sleeve, a rotating main shaft, a first electric telescopic rod, a main spindle, a spindle shaft and a clamping cylinder, The polishing device comprises a clamping arm and a moving rod, wherein the bottom of a supporting column is fixedly connected with a polishing supporting plate, a second transmission motor is fixedly arranged on the outer wall of the supporting column, a rotating hole is formed in the supporting column and is arranged above the second transmission motor, a driving gear is fixedly sleeved on an output shaft of the second transmission motor, a rotating main shaft and a sleeve are arranged in the rotating hole, the sleeve is fixedly sleeved outside the rotating main shaft, a driven gear is fixedly sleeved on the part of the sleeve arranged outside the rotating hole, the driving gear and the driven gear are mutually engaged and connected in a transmission manner, the end part of the rotating main shaft arranged inside the rotating hole is fixedly connected with a first electric telescopic rod, the end part of the first electric telescopic rod is fixedly connected with a main shaft through a connecting shaft, the clamping arm is symmetrically arranged above and below the first electric telescopic rod, and one end of the clamping arm is mutually hinged with the rotating main shaft, the inner side of the clamping part of the clamping arm is hinged with the moving rod, and one end, far away from the clamping arm, of the moving rod is hinged with the first electric telescopic rod.
As a preferable technical scheme of the invention, an adjusting rotating wheel and an adjusting semicircular disc are arranged in the polishing machine body, and the adjusting rotating wheel and the adjusting semicircular disc are connected with each other through a second electric telescopic rod.
As a preferred technical scheme of the invention, a fixing plate is arranged in the polishing machine body, a third transmission motor and a third fixing rod are fixedly arranged on the fixing plate, an output shaft of the third transmission motor is fixedly connected with an adjusting gear, an adjusting semicircular disc is fixedly sleeved on the third fixing rod, and the adjusting semicircular disc and the adjusting gear are in meshed transmission connection.
According to a preferable technical scheme of the invention, two sides of the support plate of the polishing machine are provided with protection plates fixedly connected with the polishing machine body.
As a preferred technical scheme of the invention, a controller is arranged on the outer wall of the polishing machine body, and the first transmission motor, the second transmission motor, the third transmission motor, the first electric telescopic rod and the second electric telescopic rod are electrically connected with the controller.
Compared with the prior art, the invention has the beneficial effects that:
(1) the abrasive belt is driven to rotate by the driving rotating wheel and the driven rotating wheel to polish a workpiece, the clamping arm is driven to move up and down by the first electromotive force telescopic rod through the clamping mechanism to clamp and loosen the workpiece, and manual clamping is replaced by the clamping mechanism, so that the polishing efficiency and quality are improved, and the safety performance is higher;
(2) the second transmission motor is utilized to rotate, the driving gear drives the driven gear to rotate, and finally the main spindle and the clamping arm are driven to rotate, so that the workpiece is subjected to self-rotation, the abrasive belt can be used for polishing all parts of the surface of the workpiece, the automation degree of the whole operation is high, and manual participation is avoided;
(3) the adjusting semi-circular disc is rotated by the adjusting rotating wheel, and the position of the adjusting rotating wheel is adjusted by the aid of the cooperation of the second electric telescopic rod, so that the abrasive belt is in contact with a workpiece.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the clamping mechanism of the present invention;
fig. 3 is a schematic structural diagram of the appearance of the present invention.
List of reference numerals: 1. a polishing machine body; 2. a first drive motor; 3. a driving runner; 4. a first fixed shaft; 5. a tensioning rotating wheel; 6. a tensioning cylinder; 7. a second fixed shaft; 8. a driven runner; 9. an abrasive belt; 10. polishing the support plate; 11. a clamping mechanism; 12. a support pillar; 13. a second drive motor; 14. a driving gear; 15. a driven gear; 16. a sleeve; 17. rotating the main shaft; 18. a first electric telescopic rod; 19. a main spindle; 20. a clamp arm; 21. a travel bar; 22. adjusting the rotating wheel; 23. adjusting the semicircular disc; 24. a second electric telescopic rod; 25. a fixing plate; 26. a third fixing bar; 27. an adjusting gear; 28. a protection plate; 29. and a controller.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-2, the belt sander comprises a sander body 1, a first transmission motor 2 is arranged on the sander body 1, a driving wheel 3 is fixedly connected to an output shaft of the first transmission motor 2, a first fixed shaft 4 is rotatably arranged above the first transmission motor 2, a tension wheel 5 is fixedly sleeved on the first fixed shaft 4, a tension cylinder 6 is arranged below the tension wheel 5, a second fixed shaft 7 is rotatably arranged on a sidewall of the sander body 1, a driven wheel 8 is fixedly sleeved on the second fixed shaft 7, the driving wheel 3, the driven wheel 8 and the tension wheel 5 are synchronously connected through a sanding belt 9, a sanding plate 10 is arranged on the sander body 1, clamping mechanisms 11 are arranged on left and right sides of the sanding plate 10, each clamping mechanism 11 comprises a support column 12 and a second transmission motor 13, and a clamping mechanism 11 is arranged on left and right sides of the sanding plate 10, The polishing device comprises a driving gear 14, a driven gear 15, a sleeve 16, a rotating main shaft 17, a first electric telescopic rod 18, a main spindle 19, a clamping arm 20 and a moving rod 21, wherein the bottom of a supporting column 12 is fixedly connected with a polishing supporting plate 10, a second transmission motor 13 is fixedly arranged on the outer wall of the supporting column 12, a rotating hole is formed in the supporting column 12 and is arranged above the second transmission motor 13, the driving gear 14 is fixedly sleeved on an output shaft of the second transmission motor 13, the rotating main shaft 17 and the sleeve 16 are arranged in the rotating hole, the sleeve 16 is fixedly sleeved outside the rotating main shaft 17, the driven gear 15 is fixedly sleeved on the part of the sleeve 16 arranged outside the rotating hole, the driving gear 14 and the driven gear 15 are mutually engaged and connected in a transmission manner, the end part of the rotating main shaft 17 arranged on the inner side of the rotating hole is fixedly connected with the first electric telescopic rod 18, the end part of the first electric telescopic rod 18 is fixedly connected with the main spindle 19 through a connecting shaft, the clamping arms 20 are symmetrically arranged above and below the first electric telescopic rod 18, one end of each clamping arm 20 is hinged to the rotating spindle 17, the inner side of the clamping part of each clamping arm 20 is hinged to the moving rod 21, and one end, far away from the clamping arm 20, of the moving rod 21 is hinged to the first electric telescopic rod 18.
As an embodiment of the invention, an adjusting rotating wheel 22 and an adjusting semi-circular disc 23 are arranged in the polishing machine body 1, and the adjusting rotating wheel 22 and the adjusting semi-circular disc 23 are connected with each other through a second electric telescopic rod 24.
As an embodiment of the invention, a fixing plate 25 is arranged inside the polishing machine body 1, a third transmission motor and a third fixing rod 26 are fixedly arranged on the fixing plate 25, an output shaft of the third transmission motor is fixedly connected with an adjusting gear 27, an adjusting half-disc 23 is fixedly sleeved on the third fixing rod 26, the adjusting half-disc 23 and the adjusting gear 27 are in meshed transmission connection, the distance between the abrasive belt 9 and the workpiece is adjusted according to the size of the workpiece to be polished, the third transmission motor is started, the adjusting gear 27 rotates positively and reversely to drive the adjusting half-disc 23 to move left and right, and the position of the adjusting gear 27 is adjusted under the cooperation of the second electric telescopic rod 24, so that the abrasive belt 9 is in contact with the workpiece.
As an embodiment of the present invention, as shown in FIG. 3, the polishing machine support plate 10 is provided at both sides with the protection plates 28 fixedly connected to the polishing machine body 1, which makes the polishing operation safer.
As an embodiment of the present invention, a controller 29 is disposed on an outer wall of the polishing machine body 1, and the first transmission motor 2, the second transmission motor 13, the third transmission motor, the first electric telescopic rod 18, and the second electric telescopic rod 24 are electrically connected to the controller.
When the polishing device is used, the end part of the main spindle 19 is inserted into two ends of a hollow cylindrical workpiece to be polished, then the first electric telescopic rod 18 is contracted, so that the moving rod 21 pulls the clamping arm 20 to move towards the outer wall of the workpiece, and finally the clamping arm is contacted with the outer wall of the workpiece, the workpiece is firmly clamped, the first transmission motor 2 is started, the driving rotating wheel 3 is driven to rotate, the abrasive belt 9 is driven to rotate, and the tightness degree of the abrasive belt 9 is adjusted through the tensioning cylinder 6 and the tensioning rotating wheel 5 g.
When the abrasive belt 9 is used for polishing a workpiece, the second transmission motor 13 is started, the second transmission motor 13 rotates, the driving gear 14 drives the driven gear 15 to rotate, the sleeve 16 and the rotating spindle 17 are further driven to rotate, the main spindle 10 and the clamping arm 20 clamp the workpiece to rotate automatically, the abrasive belt 9 can polish all parts of the surface of the workpiece, the automation degree of the whole operation is high, and manual participation is avoided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A belt sander, characterized by: the polishing machine comprises a polishing machine body, wherein a first transmission motor is arranged on the polishing machine body, a driving rotating wheel is fixedly connected to an output shaft of the first transmission motor, a first fixed shaft is rotatably arranged above the first transmission motor, a tensioning rotating wheel is fixedly sleeved on the first fixed shaft, a tensioning cylinder is arranged below the tensioning rotating wheel, a second fixed shaft is rotatably arranged on the side wall of the polishing machine body, a driven rotating wheel is fixedly sleeved on the second fixed shaft, the driving rotating wheel, the driven rotating wheel and the tensioning rotating wheel are synchronously connected through an abrasive belt, a polishing support plate is arranged on the polishing machine body, clamping mechanisms are arranged on the left side and the right side of the polishing support plate, each clamping mechanism comprises a support column, a second transmission motor, a driving gear, a driven gear, a sleeve, a rotating main shaft, a first electric telescopic rod, a main shaft, a clamping arm and a moving rod, the bottom of the supporting column is fixedly connected with the polishing supporting plate, the second transmission motor is fixedly arranged on the outer wall of the supporting column, a rotating hole is formed in the supporting column and is arranged above the second transmission motor, a driving gear is fixedly sleeved on an output shaft of the second transmission motor, the rotating main shaft and a sleeve are arranged in the rotating hole, the sleeve is fixedly sleeved outside the rotating main shaft, a driven gear is fixedly sleeved on the part of the sleeve arranged outside the rotating hole, the driving gear and the driven gear are mutually engaged and connected in a transmission manner, the end part of the rotating main shaft arranged inside the rotating hole is fixedly connected with a first electric telescopic rod, the end part of the first electric telescopic rod is fixedly connected with a main shaft through a connecting shaft, the clamping arms are symmetrically arranged above and below the first electric telescopic rod, and one end of each clamping arm is mutually hinged with the rotating main shaft, the inner side of the clamping part of the clamping arm is hinged with the moving rod, and one end, far away from the clamping arm, of the moving rod is hinged with the first electric telescopic rod.
2. The belt sander of claim 1, wherein: this internal regulation runner and the regulation semicircle dish of being equipped with of burnishing machine, through second electric telescopic handle interconnect between regulation runner and the regulation semicircle dish.
3. The belt sander of claim 2, wherein: the polishing machine comprises a polishing machine body and is characterized in that a fixing plate is arranged inside the polishing machine body, a third transmission motor is fixedly arranged on the fixing plate, a third fixing rod is arranged on the fixing plate in a rotating mode, an output shaft of the third transmission motor is fixedly connected with an adjusting gear, an adjusting semicircular disc is fixedly sleeved on the third fixing rod, and the adjusting semicircular disc is in meshed transmission connection with the adjusting gear.
4. The automated magnetic powder inspection spraying device of claim 1, wherein: the two sides of the polishing machine supporting plate are provided with protective plates fixedly connected with the polishing machine body.
5. The automated magnetic powder inspection spraying device of claim 3, wherein: the polishing machine is characterized in that a controller is arranged on the outer wall of the polishing machine body, and the first transmission motor, the second transmission motor, the third transmission motor, the first electric telescopic rod and the second electric telescopic rod are electrically connected with the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111421307.5A CN114227470A (en) | 2021-11-26 | 2021-11-26 | Abrasive belt polishing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111421307.5A CN114227470A (en) | 2021-11-26 | 2021-11-26 | Abrasive belt polishing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114227470A true CN114227470A (en) | 2022-03-25 |
Family
ID=80751440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111421307.5A Pending CN114227470A (en) | 2021-11-26 | 2021-11-26 | Abrasive belt polishing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114227470A (en) |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110023233A (en) * | 2009-08-31 | 2011-03-08 | 주식회사 에이제이에스티 | Polisher of pipe outside |
| CN204525098U (en) * | 2015-02-13 | 2015-08-05 | 厦门立德欣自动化机械制造有限公司 | Belt sander and comprise the automatic grinding unit of belt sander |
| CN105904318A (en) * | 2016-06-23 | 2016-08-31 | 吉林大学 | Grinding mechanism of abrasive belt grinding machine |
| CN207289731U (en) * | 2017-10-13 | 2018-05-01 | 青岛新凯德机械制造有限公司 | A kind of abrasive band circular tube polishing machine |
| CN108000296A (en) * | 2018-01-25 | 2018-05-08 | 郑州瑞特金刚石砂带有限公司 | A kind of adjustable belt sander |
| CN108247557A (en) * | 2017-12-01 | 2018-07-06 | 共同科技开发有限公司 | A kind of hardware machinery pipeline clamping workbench |
| CN108568732A (en) * | 2018-08-02 | 2018-09-25 | 惠州市无龄康态健康科技有限公司 | A kind of hardware tool belt sander |
| CN109333416A (en) * | 2018-12-26 | 2019-02-15 | 荣成市天健管道防腐保温器材有限公司 | A kind of pipeline corrosion protection rotating clamping device |
| CN210024811U (en) * | 2019-01-31 | 2020-02-07 | 惠州阿瑞斯智能装备有限公司 | Polishing structure for abrasive belt set |
| CN111085925A (en) * | 2019-12-30 | 2020-05-01 | 宁波展纶精密机械有限公司 | Multi-station automatic polishing machine |
| CN210550210U (en) * | 2019-04-11 | 2020-05-19 | 合肥中通抛光机械有限公司 | Polishing machine for outer circle of circular tube |
| CN211992324U (en) * | 2020-03-30 | 2020-11-24 | 江门市顺宗抛光设备有限公司 | Full-automatic efficient polishing machine |
| CN212169972U (en) * | 2020-03-04 | 2020-12-18 | 华材科技试验场(洛阳)有限公司 | Longitudinal polishing machine for polishing rod type standard sample |
| CN212284914U (en) * | 2020-08-17 | 2021-01-05 | 衡阳市九州建材有限公司 | Detection apparatus for environmental protection nature cement grinding aid |
| CN112828739A (en) * | 2021-03-02 | 2021-05-25 | 威海职业学院(威海市技术学院) | Automatic polishing machine for special-shaped pipe fittings |
| CN112917330A (en) * | 2021-01-26 | 2021-06-08 | 王成 | Auto-parts burnishing device |
| CN214489467U (en) * | 2020-12-29 | 2021-10-26 | 杭州临安盛谷沸舍科技有限公司 | Clamping and rotating device for pipeline welding |
-
2021
- 2021-11-26 CN CN202111421307.5A patent/CN114227470A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110023233A (en) * | 2009-08-31 | 2011-03-08 | 주식회사 에이제이에스티 | Polisher of pipe outside |
| CN204525098U (en) * | 2015-02-13 | 2015-08-05 | 厦门立德欣自动化机械制造有限公司 | Belt sander and comprise the automatic grinding unit of belt sander |
| CN105904318A (en) * | 2016-06-23 | 2016-08-31 | 吉林大学 | Grinding mechanism of abrasive belt grinding machine |
| CN207289731U (en) * | 2017-10-13 | 2018-05-01 | 青岛新凯德机械制造有限公司 | A kind of abrasive band circular tube polishing machine |
| CN108247557A (en) * | 2017-12-01 | 2018-07-06 | 共同科技开发有限公司 | A kind of hardware machinery pipeline clamping workbench |
| CN108000296A (en) * | 2018-01-25 | 2018-05-08 | 郑州瑞特金刚石砂带有限公司 | A kind of adjustable belt sander |
| CN108568732A (en) * | 2018-08-02 | 2018-09-25 | 惠州市无龄康态健康科技有限公司 | A kind of hardware tool belt sander |
| CN109333416A (en) * | 2018-12-26 | 2019-02-15 | 荣成市天健管道防腐保温器材有限公司 | A kind of pipeline corrosion protection rotating clamping device |
| CN210024811U (en) * | 2019-01-31 | 2020-02-07 | 惠州阿瑞斯智能装备有限公司 | Polishing structure for abrasive belt set |
| CN210550210U (en) * | 2019-04-11 | 2020-05-19 | 合肥中通抛光机械有限公司 | Polishing machine for outer circle of circular tube |
| CN111085925A (en) * | 2019-12-30 | 2020-05-01 | 宁波展纶精密机械有限公司 | Multi-station automatic polishing machine |
| CN212169972U (en) * | 2020-03-04 | 2020-12-18 | 华材科技试验场(洛阳)有限公司 | Longitudinal polishing machine for polishing rod type standard sample |
| CN211992324U (en) * | 2020-03-30 | 2020-11-24 | 江门市顺宗抛光设备有限公司 | Full-automatic efficient polishing machine |
| CN212284914U (en) * | 2020-08-17 | 2021-01-05 | 衡阳市九州建材有限公司 | Detection apparatus for environmental protection nature cement grinding aid |
| CN214489467U (en) * | 2020-12-29 | 2021-10-26 | 杭州临安盛谷沸舍科技有限公司 | Clamping and rotating device for pipeline welding |
| CN112917330A (en) * | 2021-01-26 | 2021-06-08 | 王成 | Auto-parts burnishing device |
| CN112828739A (en) * | 2021-03-02 | 2021-05-25 | 威海职业学院(威海市技术学院) | Automatic polishing machine for special-shaped pipe fittings |
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