CN113843686A - Reciprocating type plane grinding device for metal shell - Google Patents
Reciprocating type plane grinding device for metal shell Download PDFInfo
- Publication number
- CN113843686A CN113843686A CN202111122729.2A CN202111122729A CN113843686A CN 113843686 A CN113843686 A CN 113843686A CN 202111122729 A CN202111122729 A CN 202111122729A CN 113843686 A CN113843686 A CN 113843686A
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- Prior art keywords
- top surface
- metal shell
- groove
- hand
- base
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- Pending
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- 239000002184 metal Substances 0.000 title claims abstract description 63
- 238000005498 polishing Methods 0.000 claims abstract description 30
- 230000001681 protective effect Effects 0.000 claims description 11
- 238000007517 polishing process Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
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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
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/16—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model provides a reciprocating type plane grinding device for metal casing, includes the base, and base top surface one side fixed mounting props up the piece, props up the top surface cooperation installation polisher of piece, and the top surface front end cooperation of base is equipped with the screw rod, and screw-thread fit is equipped with the nut on the screw rod, and the top surface rear end cooperation of base is equipped with the guide bar, and the guide bar cover fits and is equipped with the uide bushing, is connected through rectangular piece between the top of uide bushing and the top of nut. The metal shell part with the small size can be clamped and polished by the metal shell part clamping and polishing device, the situation that the metal shell part flies out due to the fact that the hand strength is relaxed when the metal shell part is held by a hand is avoided, fatigue caused by the fact that the metal shell part is held by the hand when the metal shell part with the small size is polished by the hand is relieved, the hand is far away from a polishing position when the user touches the second horizontal plate or the vertical plate or other parts, sparks are prevented from splashing to the hand in the polishing process, and the hand is prevented from being damaged.
Description
Technical Field
The invention belongs to the field of metal shell processing equipment, and particularly relates to a reciprocating type plane polishing device for a metal shell.
Background
Grinding device is artifical and is taken it in the hand and polish the work piece, and along with the extension of time, the hand can be very sore, and tired sense is strong for efficiency of polishing reduces, especially to the less metal casing part of volume, is difficult to handheld, and because of the volume is less, the hand also is comparatively close with the wheel of polishing, has certain potential safety hazard.
Disclosure of Invention
The invention provides a reciprocating type plane polishing device for a metal shell, which is used for overcoming the defects in the prior art.
The invention is realized by the following technical scheme:
a reciprocating type plane polishing device for a metal shell comprises a base, a support block is fixedly installed on one side of the top surface of the base, a polishing machine is installed on the top surface of the support block in a matched mode, a screw rod is arranged at the front end of the top surface of the base in a matched mode, a nut is arranged on the screw rod in a threaded matched mode, a guide rod is arranged at the rear end of the top surface of the base in a matched mode, a guide sleeve is arranged on the guide rod in a matched mode, the top end of the guide sleeve is connected with the top end of the nut through a long strip block, a groove is formed in the top surface of the long strip block, a matching rod is installed between the inner walls of the front end and the rear end of the groove in a matched mode, a matching sleeve is arranged on the matching rod in a matched mode, a movable plate is installed at the top end of the matching sleeve, a plurality of spring telescopic rods are fixedly installed on the top surface of the movable plate, a vertical plate is fixedly installed on one side of the first horizontal plate, a second horizontal plate is fixedly installed on one side of the top end of the vertical plate, a first through groove is formed in the top surface of the second horizontal plate, the inner wall of the first through groove is provided with a circular groove, a rotary table is arranged in the first through groove in a matched mode, sliding blocks are fixedly installed on two sides of the rotary table respectively and can be inserted into the circular groove, and a clamping structure is arranged below the rotary table in a matched mode.
As above a reciprocating type plane grinding device for metal casing, clamping structure include two opposite and upper and lower lead screws of arranging of screw thread, the ring channel is seted up to the top surface of first horizontal plate, the ring channel fit in is equipped with the annular plate, the bottom of the lead screw that is located the below and the top surface swing joint of annular plate, first through-hole is seted up to the top surface front end of carousel, the lead screw top that is located the top passes first through-hole, pass through connecting block fixed connection between the looks remote site of two lead screws, be connected through the guide arm between the bottom of carousel and the top of annular plate, the upper and lower both ends of connecting block cooperate respectively to be equipped with splint, the screw is all seted up to the top front end of splint, every lead screw passes corresponding screw, the second through-hole is seted up to the top rear end of splint, the guide arm passes two upper and lower second through-holes.
According to the reciprocating type plane grinding device for the metal shell, the rotating handle is fixedly arranged on one side of the top surface of the rotating disc.
According to the reciprocating type plane polishing device for the metal shell, the second through groove is formed in one side of the strip block, one side of the second through groove is communicated with the inside of the groove, the push rod is fixedly installed on one side of the matching sleeve, and the push rod penetrates through the second through groove.
According to the reciprocating type plane polishing device for the metal shell, the front end and the rear end of one side of the top surface of the base are respectively provided with the protective shell in a matching mode, opposite surfaces of the two protective shells are respectively provided with the opening, and the polishing wheel part of the polishing machine is located in the protective shells.
The invention has the advantages that: after a metal shell with a small size is clamped by the clamping structure, the screw rod is rotated to enable the long block to move towards the polisher, the first horizontal plate, the second horizontal plate and the metal shell above the long block are driven to move towards the polisher, after the distance between the metal shell and a polishing wheel of the polisher is adjusted, the metal shell is polished on the polisher, the second horizontal plate is pushed backwards or pushed forwards, the metal shell can be polished in the front-back direction on the polishing wheel of the polisher, the second horizontal plate is pressed downwards, under the action of the spring telescopic rod, the second horizontal plate and the first horizontal plate drive the metal shell to move downwards, after the force of downward pressing is reduced, under the spring action of the spring telescopic rod, the first horizontal plate, the second horizontal plate and the metal shell move upwards, at the moment, polishing in the up-down direction can be performed, and by rotating the rotary disc, the clamping structure can be driven to rotate, the metal shell is driven to rotate, and the rest positions of the metal shell are polished; the metal shell part with the small size can be clamped and polished by the metal shell part clamping and polishing device, the situation that the metal shell part flies out due to the fact that the hand strength is relaxed when the metal shell part is held by a hand is avoided, fatigue caused by the fact that the metal shell part is held by the hand when the metal shell part with the small size is polished by the hand is relieved, the hand is far away from a polishing position when the user touches the second horizontal plate or the vertical plate or other parts, sparks are prevented from splashing to the hand in the polishing process, and the hand is prevented from being damaged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention; FIG. 2 is a view in the direction A of FIG. 1; FIG. 3 is an enlarged view of the view of FIG. 1 taken along line B; FIG. 4 is an enlarged view of a portion I of FIG. 1; fig. 5 is a partial enlarged view of II of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
A reciprocating type plane polishing device for a metal shell comprises a base 1, a supporting block 2 is fixedly installed on one side of the top surface of the base 1, a polishing machine 3 is installed on the top surface of the supporting block 2 in a matched mode, a screw rod 4 is arranged at the front end of the top surface of the base 1 in a matched mode, two sides of the screw rod 4 are movably connected through the supporting block respectively, the bottom end of the supporting block is connected with the top surface of the base 1, one end of the screw rod 4 penetrates through one supporting block, a nut is arranged on the screw rod 4 in a matched mode through threads, a guide rod 5 is arranged at the rear end of the top surface of the base 1 in a matched mode, two ends of the guide rod 5 are fixedly connected with the supporting block respectively, the bottom end of the supporting block is connected with the top surface of the base 1 in a sleeved mode, a guide sleeve is arranged on the guide rod 5 in a matched mode, the top end of the guide sleeve is connected with the top end of the nut through a long strip block 6, a groove 7 is formed in the top surface of the long strip 6, a matched and a matched rod 8 is installed between the front inner wall and the rear wall of the front end of the groove 7, a matched mode and a matched sleeve is arranged with a matched sleeve 9, a movable plate 10 is arranged at the top end of the matching sleeve 9, a plurality of spring telescopic rods 11 are fixedly arranged on the top surface of the movable plate 10, the top ends of the plurality of spring telescopic rods 11 are fixedly connected through a first horizontal plate 12, a vertical plate 13 is fixedly arranged on one side of the first horizontal plate 12, a second horizontal plate 14 is fixedly arranged on one side of the top end of the vertical plate 13, the second horizontal plate 14 is positioned above the first horizontal plate 12, the top surfaces of the second horizontal plates 14 are provided with first through grooves 15, the inner walls of the first through grooves 15 are provided with circular grooves 16, the first through grooves 15 are internally provided with turntables 17 in a matching way, two sides of each turntable 17 are respectively and fixedly provided with sliders 18, the sliders 18 can be inserted into the circular grooves 16, the lower parts of the turntables 17 are provided with clamping structures in a matching way, the clamping structures can clamp small-sized metal shells, and the carousel 17 rotates and can drive the clamping structure and rotate, and then drives metal casing and rotate, polishes other positions of metal casing. After a metal shell with a small size is clamped by the clamping structure, the screw rod 4 is rotated to enable the long block 6 to move towards the polisher 3, the first horizontal plate 12, the second horizontal plate 14 and the metal shell above the long block are driven to move towards the polisher 3, after the distance between the metal shell and a polishing wheel of the polisher 3 is adjusted, the metal shell is polished on the polisher, the second horizontal plate 14 is pushed backwards or forwards, the metal shell can be polished in the front-back direction on the polishing wheel of the polisher, the second horizontal plate 14 is pressed downwards, under the action of the spring telescopic rod 11, the second horizontal plate 14 and the first horizontal plate 12 drive the metal shell to move downwards, after the force for pressing downwards is reduced, under the spring action of the spring telescopic rod 11, the first horizontal plate 12, the second horizontal plate 14 and the metal shell move upwards, at the moment, the polishing in the up-down direction can be performed, the clamping structure can be driven to rotate by rotating the turntable 117, the metal shell is driven to rotate, and the rest positions of the metal shell are polished; the metal shell part with the small size can be clamped and polished by the metal shell part clamping device, the situation that the metal shell part flies out due to the fact that the hand strength is relaxed when the metal shell part is held by a hand is avoided, fatigue caused by the fact that the metal shell part is held by the hand when the metal shell part with the small size is polished is relieved, the hand of a user touches the second horizontal plate 14 or the vertical plate 13 or other parts and is far away from a polishing position, sparks are prevented from splashing to the hand in the polishing process of metal, and the hand is prevented from being damaged.
Specifically, the clamping structure described in this embodiment includes two opposite screw threads and the lead screws 19 arranged from top to bottom, the annular groove 20 is opened on the top surface of the first horizontal plate 12, the annular groove 20 is internally provided with the annular plate 21 in a matching manner, the bottom end of the lead screw 19 located below is movably connected with the top surface of the annular plate 21, the first through hole 22 is opened at the front end of the top surface of the turntable 17, the first through hole 22 is passed through at the top end of the lead screw 19 located above, the opposite ends of the two lead screws 19 are fixedly connected through the connecting block, the bottom end of the turntable 17 is connected with the top end of the annular plate 21 through the guide rod 23, the upper and lower ends of the connecting block are respectively provided with the clamping plate 24 in a matching manner, the screw hole is opened at the front end of the top end of the clamping plate 24, each lead screw 19 passes through the corresponding screw hole, the second through hole is opened at the rear end of the top end of the clamping plate 24, and the guide rod 23 passes through the upper and lower two second through holes. The centre of a circle of ring channel 20 and the centre of a circle of first trough 15 are in same vertical central line, guide arm 23 and lead screw 19 are with the centre of a circle symmetric distribution of annular plate 21, rotate the lead screw 19 of top, two lead screw 19 screw threads are opposite, and through the cooperation of guide arm 23 and second through-hole, can make two splint 24 relative movement or move to opposite direction, with metal casing centre gripping or unclamp, and after the centre gripping, through the cooperation of annular plate 21 and ring channel 20, lead screw 19 and guide arm can use the centre of a circle of ring channel 20 to rotate as the center, adjust metal casing's position, satisfy the needs of polishing of more positions of metal casing.
Specifically, a rotating handle 25 is fixedly installed on one side of the top surface of the rotating disk 17. The rotating handle 25 can more conveniently rotate the rotating disc 17, the operation is smoother, the rotating disc 17 can be controlled, and the rotating disc 17 can be prevented from rotating when the rotating disc 17 does not need to rotate in the polishing process.
Further, a second through groove is formed in one side of the long strip block 6, one side of the second through groove is communicated with the inside of the groove, a push rod 26 is fixedly installed on one side of the matching sleeve, and the push rod 26 penetrates through the second through groove. Can drive cooperation cover 9 through push rod 26 and carry out the reciprocating motion of fore-and-aft direction on cooperation pole 8, drive the part of top and remove in step, and then when only polishing metal casing one side, promote push rod 26, can drive metal casing and carry out the removal of fore-and-aft direction along the wheel of polishing of polisher, and polish, and the distance between hand and the wheel of polishing becomes long in addition, further avoids the mars to splash to on hand, prevents the hand of scalding.
Furthermore, in this embodiment, the front and rear ends of one side of the top surface of the base 1 are respectively provided with a protective shell 27 in a matching manner, the opposite surfaces of the two protective shells 27 are respectively opened, and the polishing wheel portion of the polishing machine is located in the protective shells 27. As can be seen from FIG. 2, the grinding wheel of the grinding machine 3 is located in the two protective cases 27, so that most sparks can enter the protective cases 27 in the grinding process, the sparks are prevented from splashing, and people are prevented from being scalded by the sparks.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a metal casing is with reciprocating type plane grinding device which characterized in that: comprises a base (1), a supporting block (2) is fixedly installed on one side of the top surface of the base (1), a grinding machine (3) is installed on the top surface of the supporting block (2) in a matched mode, a screw rod (4) is arranged at the front end of the top surface of the base (1) in a matched mode, a nut is arranged on the screw rod (4) in a matched mode, a guide rod (5) is arranged at the rear end of the top surface of the base (1) in a matched mode, a guide sleeve is arranged on the guide rod (5) in a sleeved mode, the top end of the guide sleeve is connected with the top end of the nut through a long strip block (6), a groove (7) is formed in the top surface of the long strip block (6), a matching rod (8) is installed between the inner walls of the front end and the rear end of the groove (7) in a matched mode, a matching sleeve (9) is arranged on the matching rod (8) in a sleeved mode, a movable plate (10) is installed at the top end of the matching sleeve (9), a plurality of spring telescopic rods (11) are fixedly installed on the top surface of the movable plate (10), and are fixedly connected through a first horizontal plate (12), one side fixed mounting riser (13) of first horizontal plate (12), top one side fixed mounting second horizontal plate (14) of riser (13), first groove (15) that pass through is seted up to the top surface of second horizontal plate (14), circular slot (16) are seted up to the inner wall of first groove (15) that pass through, first groove (15) fit in passing through is equipped with carousel (17), fixed mounting slider (18) are distinguished to the both sides of carousel (17), slider (18) can insert to circular slot (16) in, the below cooperation of carousel (17) is equipped with clamping structure.
2. The reciprocating type flat grinding device for the metal casing according to claim 1, wherein: the clamping structure include two opposite and upper and lower lead screw (19) of arranging of screw thread, ring channel (20) are seted up to the top surface of first horizontal plate (12), ring channel (20) fit in is equipped with annular plate (21), the bottom of lead screw (19) that is located the below and the top surface swing joint of annular plate (21), first through-hole (22) are seted up to the top surface front end of carousel (17), lead screw (19) top that is located the top passes first through-hole (22), pass through connecting block fixed connection between the looks remote site of two lead screws (19), be connected through guide arm (23) between the bottom of carousel (17) and the top of annular plate (21), the upper and lower both ends of connecting block cooperate respectively and are equipped with splint (24), the screw is all seted up to the top front end of splint (24), every lead screw (19) pass corresponding screw, the second through-hole is seted up to the top rear end of splint (24), two upper and lower second through-hole are passed to guide arm (23).
3. The reciprocating type flat grinding device for the metal casing according to claim 1, wherein: and a rotating handle (25) is fixedly arranged on one side of the top surface of the rotating disc (17).
4. The reciprocating type flat grinding device for the metal casing according to claim 1, wherein: one side of the strip block (6) is provided with a second through groove, one side of the second through groove is communicated with the inside of the groove, one side of the matching sleeve is fixedly provided with a push rod (26), and the push rod (26) penetrates through the second through groove.
5. The reciprocating type flat grinding device for the metal casing according to claim 1, wherein: the top surface of base (1) around both ends cooperate respectively to be equipped with protective housing (27), the opposite face of two protective housings (27) is the opening respectively, the wheel portion of polishing of polisher is located protective housing (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111122729.2A CN113843686A (en) | 2021-09-24 | 2021-09-24 | Reciprocating type plane grinding device for metal shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111122729.2A CN113843686A (en) | 2021-09-24 | 2021-09-24 | Reciprocating type plane grinding device for metal shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113843686A true CN113843686A (en) | 2021-12-28 |
Family
ID=78979351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111122729.2A Pending CN113843686A (en) | 2021-09-24 | 2021-09-24 | Reciprocating type plane grinding device for metal shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113843686A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655782A (en) * | 2018-06-28 | 2018-10-16 | 湖北海联技术咨询有限公司 | A kind of Metal Cutting Machine Tool processing metalwork clamping device |
| CN209551343U (en) * | 2018-12-11 | 2019-10-29 | 唐山永丰轧辊有限公司 | A kind of machine components grinding device |
| CN110842877A (en) * | 2019-11-26 | 2020-02-28 | 郭和俊 | A fixture for industrial machinery production |
| CN111890060A (en) * | 2020-07-22 | 2020-11-06 | 刘俊强 | Metal plate polishing and cutting integrated equipment |
| CN212240358U (en) * | 2020-03-16 | 2020-12-29 | 徐亚红 | Grinding device for machining of mechanical workpiece |
| CN112388406A (en) * | 2020-11-11 | 2021-02-23 | 姚北元 | Pivot grinding device is used in mechanical maintenance |
| JP2021030422A (en) * | 2019-08-16 | 2021-03-01 | 舒泳軍 | Automatic polishing device for improving sharpness of wood saw blade |
| CN213380441U (en) * | 2020-10-14 | 2021-06-08 | 苏州和文精密模具有限公司 | Part clamping device for milling and grinding |
| CN213615642U (en) * | 2020-11-18 | 2021-07-06 | 无锡阜泰电机有限公司 | Alternating current motor output shaft grinding device for wind power pitch control |
-
2021
- 2021-09-24 CN CN202111122729.2A patent/CN113843686A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108655782A (en) * | 2018-06-28 | 2018-10-16 | 湖北海联技术咨询有限公司 | A kind of Metal Cutting Machine Tool processing metalwork clamping device |
| CN209551343U (en) * | 2018-12-11 | 2019-10-29 | 唐山永丰轧辊有限公司 | A kind of machine components grinding device |
| JP2021030422A (en) * | 2019-08-16 | 2021-03-01 | 舒泳軍 | Automatic polishing device for improving sharpness of wood saw blade |
| CN110842877A (en) * | 2019-11-26 | 2020-02-28 | 郭和俊 | A fixture for industrial machinery production |
| CN212240358U (en) * | 2020-03-16 | 2020-12-29 | 徐亚红 | Grinding device for machining of mechanical workpiece |
| CN111890060A (en) * | 2020-07-22 | 2020-11-06 | 刘俊强 | Metal plate polishing and cutting integrated equipment |
| CN213380441U (en) * | 2020-10-14 | 2021-06-08 | 苏州和文精密模具有限公司 | Part clamping device for milling and grinding |
| CN112388406A (en) * | 2020-11-11 | 2021-02-23 | 姚北元 | Pivot grinding device is used in mechanical maintenance |
| CN213615642U (en) * | 2020-11-18 | 2021-07-06 | 无锡阜泰电机有限公司 | Alternating current motor output shaft grinding device for wind power pitch control |
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Application publication date: 20211228 |