CN115256171A - Circuit board line grinding device - Google Patents
Circuit board line grinding device Download PDFInfo
- Publication number
- CN115256171A CN115256171A CN202211190077.0A CN202211190077A CN115256171A CN 115256171 A CN115256171 A CN 115256171A CN 202211190077 A CN202211190077 A CN 202211190077A CN 115256171 A CN115256171 A CN 115256171A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- support column
- printed circuit
- loading frame
- sliding
- 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
Links
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 210000002268 wool Anatomy 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 241000283707 Capra Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- LQBJWKCYZGMFEV-UHFFFAOYSA-N lead tin Chemical compound [Sn].[Pb] LQBJWKCYZGMFEV-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
-
- 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
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
-
- 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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a circuit board line grinding device which comprises a supporting seat, wherein supporting columns are connected to four sides of the supporting seat, a top plate is arranged at the top of each supporting column, a loading frame is arranged on the supporting seat, a sliding strip is arranged in the loading frame in a sliding mode, a push plate is arranged on the sliding strip, a pushing mechanism capable of pushing the sliding strip to move is arranged on the loading frame, a second motor is arranged at the top of the top plate, a rotor shaft of the second motor penetrates out of the top plate and is connected with a sliding rod, and the supporting columns are arranged on the sliding rod in a sliding mode. The rotor shaft that is through operating positive and negative rotation controller control second motor is in the same direction as changeing or is reversing, under the function of push pedal, promotes printed circuit board and makes a round trip to move backward forward to under the felt board operation, grind the circuit above the printed circuit board, can effectively grind the printed circuit board upper surface, because the felt board effectively covers printed circuit board, the condition of wearing neglected to appear on the printed circuit board upper surface has been avoided, when the printed circuit board quantity that needs to handle is more, the abrasive treatment efficiency is higher.
Description
Technical Field
The invention belongs to the technical field of circuit board manufacturing, and particularly relates to a circuit board line grinding device.
Background
After the printed circuit board sculpture accomplished, unnecessary and bellied copper foil layer and lead-tin anti-corrosion layer cause the influence to the printed circuit board grade, need grind the circuit surface, remove the oxide layer on circuit surface, consequently before not cutting etched printed circuit board again, the mode that needs to adopt artifical grinding grinds the circuit surface, it is fixed to adopt the mount pad printed circuit board, and adopt the goat hair brush to make a round trip to brush on the printed circuit board face, realize the purpose to the circuit grinding, the weak point that exists is: this grinding method has the problem of missing grinding and is not effective, and when the number of printed circuit boards is large, the processing method is not efficient.
Disclosure of Invention
The invention aims to provide a circuit board line grinding device to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a circuit board circuit grinder, includes the supporting seat, the top that four sides of supporting seat are connected with support column and support column is provided with the roof, be provided with the loading frame on the supporting seat, it is provided with the draw runner to slide in the loading frame, be provided with the push pedal on the draw runner, be provided with the thrust gear that can promote the draw runner and remove on the loading frame, the top of roof is provided with the second motor, the rotor shaft of second motor wears out the roof and is connected with the slide bar, it is provided with the support column to slide on the slide bar, be provided with the top thrusting mechanism that can push away the removal about the support column on the roof, the bottom of support column is provided with elastic support mechanism, elastic support mechanism's bottom is provided with and is provided with the felt board in spiral cover and the spiral cover.
Preferably, expansion bolts are inserted into four sides of the supporting seat in a penetrating manner, expansion parts of the expansion bolts are driven into the ground, and screw rod parts of the expansion bolts penetrate through the supporting seat and are locked through nuts.
Preferably, the pushing mechanism comprises an inner groove arranged in the loading frame, a first motor is arranged on one side of the loading frame, a rotor shaft of the first motor penetrates into the inner groove and is connected with a rotating shaft, the rotating shaft is rotatably arranged on one side in the inner groove, a gear is arranged on the rotating shaft, a sliding groove is formed in the loading frame, a sliding strip is arranged in the sliding groove, teeth and gear meshing teeth are uniformly arranged in the front and at the back of the bottom of the sliding strip, a push plate is arranged on the sliding strip, and baffles are arranged on two sides of the top of the loading frame.
Preferably, a rod groove is formed in the supporting column, the sliding rod is inserted into the supporting column, and the top cross sections of the supporting column and the rod groove are regular polygons.
Preferably, the pushing mechanism comprises an electric telescopic rod arranged on one side of the top plate, a push rod of the electric telescopic rod is connected with a movable plate, a bearing hole and a second bearing are arranged in the movable plate, and the support column penetrates through an inner ring of the second bearing and penetrates out of the bearing hole.
Preferably, the bottom cover of support column is equipped with the sleeve pipe, the both ends that are provided with spring and spring in the cover pipe support respectively in the bottom and the sheathed tube inner bottom of support column, the both sides spiro union of support column has the bolt, sheathed tube both sides are equipped with the sliding closure and the bolt runs through the sliding closure, sheathed tube bottom central point puts and is connected with first spliced pole, the lower extreme of first spliced pole is connected with the top central point of connection at the spiral cover of second spliced pole and puts.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the rotor shaft of the second motor rotates to drive the supporting column to rotate, the electric telescopic rod controller is operated to control the ejector rod of the electric telescopic rod to extend out to drive the supporting column to move downwards until the felt plate is contacted with the upper surface of the circuit board, the forward and reverse rotation controller is operated to control the rotor shaft of the second motor to rotate forward or reverse, and the printed circuit board is pushed to move forwards and backwards back and forth under the operation of the push plate, so that the circuit on the printed circuit board is ground under the operation of the felt plate, the upper surface of the printed circuit board can be effectively ground, and the felt plate effectively covers the printed circuit board, so that the condition of grinding leakage on the upper surface of the printed circuit board is avoided, and when the number of printed circuit boards to be processed is large, the grinding treatment efficiency is higher;
in addition, according to actual requirements, the pushing mechanism pushes the felt plate to press the printed circuit board downwards, so that grinding force on the circuit of the printed circuit board is changed, and through elastic support of the spring, when the felt plate is pressed on the printed circuit board and the spring is compressed, the grinding state of the felt plate pressed on the printed circuit board is kept under the condition that the felt plate is worn.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view in partial cutaway of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
FIG. 4 is an enlarged view of a portion a of FIG. 2;
fig. 5 is an enlarged schematic view of the structure at b of fig. 2.
In the figure: the device comprises a support base 1, an expansion bolt 2, a support column 3, a top plate 4, a loading frame 5, an inner groove 6, a first motor 7, a rotating shaft 8, a gear 9, a sliding groove 10, a sliding strip 11, a push plate 12, a baffle 13, a second motor 14, an electric telescopic rod 15, a movable plate 16, a support column 17, a sliding rod 18, a sliding groove 19, a sleeve 20, a spring 21, a bolt 22, a sliding opening 23, a first connecting column 24, a second connecting column 25, a screw cap 26 and a felt plate 27.
Detailed Description
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.
Referring to fig. 1, 2, 3 and 4, a circuit board line grinding device comprises a supporting seat 1, screw portions of expansion bolts 2 are inserted into through holes arranged on four sides of the supporting seat 1, the expansion portions of the expansion bolts 2 are driven into the ground, the screw portions of the expansion bolts 2 penetrate through the supporting seat 1 and are locked by nuts, so that the supporting seat 1 can be stably installed on the ground, supporting columns 3 are welded on four sides of the supporting seat 1, top plates 4 are welded on the tops of the supporting columns 3, a loading frame 5 is fixed on the supporting seat 1 through bolts, a sliding strip 11 is arranged in the loading frame 5 in a sliding mode, a push plate 12 is integrally arranged on the rear portion of the upper end of the sliding strip 11, a pushing mechanism capable of pushing the sliding strip 11 to move is arranged on the loading frame 5 and comprises an inner groove 6 arranged in the loading frame 5, a first motor 7 is fixed on the right side of the loading frame 5 through bolts, the first motor 7 is YE3 in model, the power line of the first motor 7 is connected with the power supply output control end of the forward and reverse rotation controller, the power supply controlled end of the forward and reverse rotation controller is connected with an external power supply through a cable, the forward and reverse rotation controller is operated to realize the forward rotation or reverse rotation of the rotor shaft of the first motor 7, the rotor shaft of the first motor 7 passes through the through hole arranged at the right side of the inner groove 6 in a sliding way and is connected with the rotary shaft 8 in a flange way, the left side of the inner wall of the inner groove 6 is provided with a bearing groove, a first bearing is inserted into the bearing groove in an interference way, the left end of the rotary shaft 8 is inserted into the inner ring of the first bearing in an interference way, the rotary shaft 8 is rotatably supported by the first bearing to ensure that the rotary shaft 8 rotates stably and smoothly, the rotary shaft 8 is connected with a gear 9 in an interference way, the loading frame 5 is internally provided with a sliding groove 10, the matching section of the sliding groove 10 and the sliding strip 11 is in an isosceles trapezoid shape with a narrow upper part and a lower part, the sliding strip 11 is inserted into the sliding groove 10 in the sliding way, and the sliding strip 11 can not be separated from the sliding groove 10 upwards, evenly be equipped with tooth around the bottom of draw runner 11, the tooth's socket that constitutes by tooth meshes with the tooth of gear 9, consequently, when motor 7 drives gear 9 rotatory, can drive draw runner 11 and move forward or backward, the position welding has push pedal 12 around the upper end of draw runner 11, push pedal 12 is used for promoting printed circuit board forward, the integrative baffle 13 that is provided with in the top left and right sides of loading frame 5, the distance of the baffle 13 of the left and right sides, satisfy after the slidable inserts printed circuit board, but the left and right sides of the interior end sliding contact printed circuit board of baffle 13.
Referring to fig. 1, 2 and 3, a second motor 14 is fixed to a bolt on the middle side of the top plate 4, the type of the second motor 14 is CV28-750-80, the pushing mechanism includes an electric telescopic rod 15 fixed to the right side of the top plate 4 through a bolt, the type of the electric telescopic rod 15 is XDHA12-1000, a controlled end of a power supply of the electric telescopic rod 15 is connected to an output control end of an electric telescopic rod controller through a cable, a power supply input end of the electric telescopic rod controller is connected to an external power supply through a cable, so that an ejector rod of the electric telescopic rod 15 is extended or retracted by controlling the electric telescopic rod controller, so that a felt plate 27 is driven to move upwards or downwards, a moving plate 16 is fixed to the ejector rod bolt of the electric telescopic rod 15, a bearing hole is formed in the moving plate 16, a second bearing is inserted into the bearing hole in an interference manner, a support column 17 is inserted into an inner ring of the second bearing in an interference manner and penetrates out of the bearing hole, the support column 17 is rotatably supported by the second bearing in an interference manner, so that the support column 17 is stably rotates on the moving plate 16, a rotor shaft of the second motor 14 penetrates through a shaft hole formed in the center of the top plate 4 and is screwed with a sliding rod 18, and a pushing mechanism capable of moving up and down of moving the support column 17 is arranged on the top plate 4.
Referring to fig. 1, 2, 3 and 5, an elastic support mechanism is arranged at the bottom of a support column 17, a rod groove is formed in the support column 17, a slide rod 18 is slidably inserted into the rod groove in the support column 17, the top cross sections of the support column 17 and the rod groove are in a regular quadrilateral shape, so that the support column 17 cannot rotate on the slide rod 18, a sleeve 20 is slidably sleeved at the bottom of the support column 17, a spring 21 is arranged in the sleeve 20, two ends of the spring 21 are respectively supported at the bottom of the support column 17 and the inner bottom of the sleeve 20, the spring 21 is in a compression rebound type, the initial compression rebound force of the spring 21 is 30 newtons, bolts 22 are screwed at the left side and the right side of the bottom of the support column 17, sliding openings 23 are formed in two sides of the sleeve 20, the bolts 22 slidably penetrate through the sliding openings 23, when the sleeve 20 moves up and down on the support column 17 through the cooperation of the bolts 22 and the sliding openings 23, the sleeve 20 cannot rotate on the support column 17, the downward separation of the sleeve 20 can be limited, a first connection column 24 is integrally formed at the bottom center position of the bottom of the support column 20, a felt cover 26 integrally formed at the top of the support column 24, a felt cover 26 is provided with a wool board 27, and a wool board 27 is inserted between the felt cover 26, and a wool board 27 is inserted between the felt cover 27.
The working principle of the embodiment is as follows: when the grinding device is used, one surface of a printed circuit board with lines to be ground faces upwards, the circuit board is placed on the loading frame 5 and is positioned between the baffle plates 13, a power plug of the second motor 14 is connected with an external power socket, a rotor shaft of the second motor 14 rotates to drive the supporting column 17 to rotate, the electric telescopic rod controller is operated to control the ejector rod of the electric telescopic rod 15 to extend out, the supporting column 17 is driven to move downwards until the felt plate 27 contacts the upper surface of the circuit board, the forward and reverse rotation controller is operated to control the rotor shaft of the second motor 14 to rotate forward or reverse, the printed circuit board is pushed to move forward and backward back and forth under the operation of the push plate 12, so that the lines on the printed circuit board are ground under the operation of the felt plate 27, the upper surface of the printed circuit board can be effectively ground, the felt plate 27 effectively covers the printed circuit board, the condition of grinding leakage on the upper surface of the printed circuit board is avoided, and when the number of the printed circuit boards to be processed is large, the grinding treatment efficiency is high;
in addition, according to actual requirements, the pushing mechanism pushes the felt plate 27 to press down the printed circuit board, so as to change the grinding force on the circuit of the printed circuit board, and through the elastic support of the spring 21, when the felt plate 27 is pressed on the printed circuit board and the spring 21 is compressed, the grinding state of the felt plate 27 pressed on the printed circuit board is maintained under the condition that the felt plate 27 is worn.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (6)
1. A circuit board line grinder which characterized in that: including supporting seat (1), the top that the four sides of supporting seat (1) are connected with support column (3) and support column (3) is provided with roof (4), be provided with on supporting seat (1) and load frame (5), it is provided with draw runner (11) to slide in loading frame (5), be provided with push pedal (12) on draw runner (11), it can promote the thrust gear that draw runner (11) removed to be provided with on loading frame (5), the top of roof (4) is provided with second motor (14), the rotor shaft of second motor (14) wears out roof (4) and is connected with slide bar (18), it is provided with support column (17) to slide on slide bar (18), be provided with the thrusting mechanism that can push away the removal about support column (17) on roof (4), the bottom of support column (17) is provided with elastic support mechanism, elastic support mechanism's bottom is provided with spiral cover (26) and is provided with in spiral cover (26) felt board (27).
2. The circuit board line grinding apparatus of claim 1, wherein: expansion bolts (2) are inserted into four sides of the supporting seat (1), expansion parts of the expansion bolts (2) are driven into the ground, and screw rod parts of the expansion bolts (2) penetrate through the supporting seat (1) and are locked through nuts.
3. The circuit board line grinding apparatus of claim 1, wherein: the pushing mechanism comprises an inner groove (6) arranged in a loading frame (5), a first motor (7) is arranged on one side of the loading frame (5), a rotor shaft of the first motor (7) penetrates into the inner groove (6) and is connected with a rotating shaft (8), the rotating shaft (8) is rotatably arranged on one side in the inner groove (6), a gear (9) is arranged on the rotating shaft (8), a sliding groove (10) is arranged in the loading frame (5), a sliding strip (11) is arranged in the sliding groove (10), teeth and gear (9) meshing teeth are uniformly arranged around the bottom of the sliding strip (11), a pushing plate (12) is arranged on the sliding strip (11), and baffle plates (13) are arranged on two sides of the top of the loading frame (5).
4. The circuit board line grinding apparatus of claim 1, wherein: a rod groove is formed in the supporting column (17), the sliding rod (18) is inserted into the supporting column (17), and the overlooking cross sections of the supporting column (17) and the rod groove are regular polygons.
5. The circuit board line grinding apparatus of claim 1, wherein: the pushing mechanism comprises an electric telescopic rod (15) arranged on one side of the top plate (4), a push rod of the electric telescopic rod (15) is connected with a movable plate (16), a bearing hole and a second bearing are arranged in the movable plate (16), and the support column (17) penetrates through an inner ring of the second bearing and penetrates out of the bearing hole.
6. The circuit board line grinding device of claim 1, wherein: the bottom cover of support column (17) is equipped with sleeve pipe (20), the both ends that are provided with spring (21) and spring (21) in sleeve pipe (20) support respectively in the bottom of support column (17) and the inner bottom of sleeve pipe (20), the both sides spiro union of support column (17) has bolt (22), the both sides of sleeve pipe (20) are equipped with spout (23) and bolt (22) and run through spout (23), the bottom central point of sleeve pipe (20) puts and is connected with first spliced pole (24), the lower extreme of first spliced pole (24) is connected with the top central point of connection at spiral cover (26) of second spliced pole (25) and puts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211190077.0A CN115256171A (en) | 2022-09-28 | 2022-09-28 | Circuit board line grinding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211190077.0A CN115256171A (en) | 2022-09-28 | 2022-09-28 | Circuit board line grinding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115256171A true CN115256171A (en) | 2022-11-01 |
Family
ID=83757097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211190077.0A Pending CN115256171A (en) | 2022-09-28 | 2022-09-28 | Circuit board line grinding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115256171A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116276522A (en) * | 2023-05-16 | 2023-06-23 | 江油星联电子科技有限公司 | Burr removing device for printed circuit board production |
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|---|---|---|---|---|
| DE102009007083A1 (en) * | 2009-02-02 | 2010-08-05 | Hans Lingl Anlagenbau Und Verfahrenstechnik Gmbh & Co. Kg | Grinding machine for surface grinding of components of ceramic or similar or similar material, in particular of bricks |
| CN108296971A (en) * | 2018-03-30 | 2018-07-20 | 陈长胜 | A kind of follow-on medical instrument process equipment |
| CN108972209A (en) * | 2018-07-23 | 2018-12-11 | 江西省子轩科技有限公司 | A kind of processing mechanism based on the removal angle fender R hangnail |
| CN210524636U (en) * | 2019-08-27 | 2020-05-15 | 青岛微讯信息咨询有限公司 | Leveling and polishing device for concrete slab of large building |
| CN211103464U (en) * | 2019-09-06 | 2020-07-28 | 江西志人不锈钢制品有限公司 | Stainless steel product polisher |
| CN212192442U (en) * | 2020-03-27 | 2020-12-22 | 湖南汽车工程职业学院 | Edge grinding device for producing light-transmitting lens of automobile tail lamp |
| CN212946897U (en) * | 2020-07-22 | 2021-04-13 | 沭阳县宫良木业有限公司 | A grinding device for plywood production and processing |
| CN114012577A (en) * | 2021-10-28 | 2022-02-08 | 徐州天启新材料科技有限公司 | Outer layer rust-proof treatment device for automobile accessory machining |
| CN216913301U (en) * | 2022-03-21 | 2022-07-08 | 烟台晨丰海洋技术工程有限公司 | Efficient is spare part processing grinding apparatus for fracturing |
| CN217194379U (en) * | 2022-02-14 | 2022-08-16 | 重庆匠星工具制造有限公司 | Workpiece grinding equipment |
| CN115106854A (en) * | 2022-08-29 | 2022-09-27 | 南通市宏全精密刀具有限公司 | Numerical control knife sharpener |
-
2022
- 2022-09-28 CN CN202211190077.0A patent/CN115256171A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009007083A1 (en) * | 2009-02-02 | 2010-08-05 | Hans Lingl Anlagenbau Und Verfahrenstechnik Gmbh & Co. Kg | Grinding machine for surface grinding of components of ceramic or similar or similar material, in particular of bricks |
| CN108296971A (en) * | 2018-03-30 | 2018-07-20 | 陈长胜 | A kind of follow-on medical instrument process equipment |
| CN108972209A (en) * | 2018-07-23 | 2018-12-11 | 江西省子轩科技有限公司 | A kind of processing mechanism based on the removal angle fender R hangnail |
| CN210524636U (en) * | 2019-08-27 | 2020-05-15 | 青岛微讯信息咨询有限公司 | Leveling and polishing device for concrete slab of large building |
| CN211103464U (en) * | 2019-09-06 | 2020-07-28 | 江西志人不锈钢制品有限公司 | Stainless steel product polisher |
| CN212192442U (en) * | 2020-03-27 | 2020-12-22 | 湖南汽车工程职业学院 | Edge grinding device for producing light-transmitting lens of automobile tail lamp |
| CN212946897U (en) * | 2020-07-22 | 2021-04-13 | 沭阳县宫良木业有限公司 | A grinding device for plywood production and processing |
| CN114012577A (en) * | 2021-10-28 | 2022-02-08 | 徐州天启新材料科技有限公司 | Outer layer rust-proof treatment device for automobile accessory machining |
| CN217194379U (en) * | 2022-02-14 | 2022-08-16 | 重庆匠星工具制造有限公司 | Workpiece grinding equipment |
| CN216913301U (en) * | 2022-03-21 | 2022-07-08 | 烟台晨丰海洋技术工程有限公司 | Efficient is spare part processing grinding apparatus for fracturing |
| CN115106854A (en) * | 2022-08-29 | 2022-09-27 | 南通市宏全精密刀具有限公司 | Numerical control knife sharpener |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116276522A (en) * | 2023-05-16 | 2023-06-23 | 江油星联电子科技有限公司 | Burr removing device for printed circuit board production |
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