CN109514394B - Conveniently change hydrologic cycle spiral-flow light decorations machine of abrasive material - Google Patents
Conveniently change hydrologic cycle spiral-flow light decorations machine of abrasive material Download PDFInfo
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- CN109514394B CN109514394B CN201910033310.6A CN201910033310A CN109514394B CN 109514394 B CN109514394 B CN 109514394B CN 201910033310 A CN201910033310 A CN 201910033310A CN 109514394 B CN109514394 B CN 109514394B
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- fixedly connected
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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
- 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
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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
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
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- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the field of workpiece polishing, in particular to a water circulation rotational flow polishing machine convenient for replacing grinding materials, wherein a sliding ball cavity is arranged on the inner wall of the upper half part of the polishing machine, a sliding ball is movably arranged in the sliding ball cavity, a grinding cone is movably arranged at the bottom of the inner cavity of the upper half part of the polishing machine, a convex block strip is fixedly connected to the outer surface of the grinding cone, a magnet cavity is arranged at the bottom end in the grinding cone, a first magnet is arranged in the magnet cavity, a rubber convex block is fixedly arranged on the inner wall of the magnet cavity, a spring is fixedly connected to the lower end of the magnet cavity, the grinding cone can rise after polishing is completed, the grinding materials can be discharged through a grinding material discharge passage at the bottom of the grinding cone, only workpieces are left on the grinding cone, the workpieces can be conveniently cleaned while the grinding materials are conveniently replaced, the sliding ball can accelerate the rotation speed of the grinding materials when the workpieces are ground, the workpieces in the grinding materials are, the manual operation is reduced.
Description
Technical Field
The invention relates to the field of workpiece polishing, in particular to a square water circulation rotational flow polishing machine.
Background
The polishing machine is mainly used for removing burrs and polishing and brightening machined workpieces, so that the workpieces are more comfortable when being used by people, a grinding material is usually added when the polishing machine is used for polishing, the grinding material continuously extrudes and rubs the workpieces in the polishing machine so as to achieve the purposes of removing oxidation films including deburring, polishing the surfaces of finished oil stain products, removing rust and blackening by sintering, and various grinding materials correspond to the workpieces with different requirements.
However, the existing rotational flow polishing machine is very troublesome in the aspect of abrasive material replacement, a cleaning process needs to be carried out on the workpiece after the workpiece is taken out, a layer of slag is remained at the bottom of the polishing machine during replacement, manual cleaning is needed, labor is consumed, water with a water circulation function is not wasted, and the environment is polluted.
Disclosure of Invention
The utility model provides a conveniently change hydrologic cycle whirl polishing machine of abrasive material, the device can discharge the abrasive material automatically and wash the work piece that polishes simultaneously after polishing the work piece and save the manual work, and can separate the water of discharged abrasive material and washing work piece, later handles the water that makes it can recycle using water wisely once more to washing the work piece.
A water circulation rotational flow polishing machine convenient for changing abrasive materials comprises a base and a polishing machine, wherein the right side above the base is fixedly connected with a rotating machine, the left side of the rotating machine is movably connected with a rotating rod, the rotating rod is respectively and fixedly connected with the two sides of the polishing machine, the left end of the rotating rod is movably connected with a supporting plate, the upper end of the polishing machine is fixedly provided with a top cover, the top cover is fixedly connected with a water pipe, the top edge of the polishing machine is fixedly provided with an arc shell, the left side of the arc shell is fixedly connected with a columnar speed changer, the middle part of the columnar speed changer is movably connected with a first transmission belt, the left side of the lower end of the columnar speed changer is fixedly connected with a power box, the inside of the power box is fixedly provided with a motor, the top end of the power box is movably connected with a second transmission, the outer surface of the lower half part of the polishing machine is fixedly provided with a switch cover, and the bottom end of the water pipe is fixedly connected with a water pump;
the polishing machine comprises a polishing machine body, a polishing machine body and a polishing machine body, wherein a sliding ball groove is formed in the inner wall of the upper half part of the polishing machine body, a sliding ball is movably mounted in the sliding ball groove, a polishing cone is movably mounted at the bottom of the inner cavity of the upper half part of the polishing machine body, a convex block strip is fixedly connected to the outer surface of the polishing cone, a magnet cavity is formed in the bottom end of the inner part of the polishing cone, a first magnet is placed in the magnet cavity, a rubber convex block is fixedly mounted on the inner wall of the magnet cavity, a spring is fixedly connected to the lower end of the magnet cavity, the lower end of the spring is fixedly connected with a second magnet, the lower end of the second magnet is fixedly connected with a liquid cavity, a grid is arranged at the top end of the liquid cavity, a filter screen is fixedly connected to the bottom of the liquid cavity, a sedimentation tank is fixedly connected to the, the lower end of the abrasive discharge channel is communicated with an abrasive channel, the bottom of the abrasive channel is fixedly connected with an abrasive box, and a rotating rod is movably embedded at the bottom of the grinding cone.
Preferably, the sliding ball groove is embedded with two thirds of the sliding ball, and the outer surface of the sliding ball is made of polyurethane.
Preferably, the convex block strips are arranged spirally and are wavy overall.
Preferably, the rubber bump is semicircular, and the rubber bump is installed between the magnet and the inner wall of the magnet cavity.
Preferably, the first magnet and the second magnet are arranged opposite to each other with a spring interposed therebetween and attract each other.
Preferably, the grid is directly vertically below the abrasive drain.
Preferably, the rotating rod is connected with the column-shaped speed changer through a first transmission belt.
Preferably, the water pump is connected with the upper half part of the sedimentation tank.
Preferably, the blades of the rotating drum are gradually increased from bottom to top.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the grinding cone arranged can rise after polishing is finished, so that the grinding materials can be discharged through the grinding material discharge channel at the bottom of the grinding cone, only the workpiece is left on the grinding cone, the grinding materials can be conveniently replaced, and meanwhile, the workpiece can be conveniently cleaned.
2. According to the invention, the muddy water after cleaning the workpiece is finally treated by the rotary drum in the sedimentation tank to sink the dregs in the water, and the upper layer is clean water, so that the water is convenient to recycle.
3. The invention can accelerate the rotating speed of the abrasive material by grinding the workpiece through the arranged sliding ball, so that the workpiece in the abrasive material is better polished, and the workpiece can slide out more conveniently after polishing.
Drawings
FIG. 1 is an overall front view of the present invention;
FIG. 2 is a rear view of the finisher of the present invention;
FIG. 3 is a perspective view of a portion of the finisher of the present invention;
FIG. 4 is a top view of the finisher of the present invention;
FIG. 5 is an overall plan perspective view of the present invention;
FIG. 6 is an enlarged view of FIG. 5A of the present invention;
FIG. 7 is a plan perspective view of the polishing machine with the grinding cone raised;
FIG. 8 is an enlarged view of FIG. 7B of the present invention.
In the figure: 1-base, 2-finishing machine, arc shell-201, 3-top cover, 4-column speed changer, 5-rotary machine, 6-rotary rod, 7-supporting plate, 8-power box, 801-motor, 802-second driving belt, 9-switch cover, 10-water pipe, 11-first driving belt, 12-water pump, 13-grinding cone, 131-convex block strip, 14-sliding ball, 141-sliding ball groove, 15-rotary rod, 16-grinding material discharge channel, 17-grinding material channel, 18-grinding material box, 19-sedimentation tank, 191-filter screen, 192-rotary drum, 20-first magnet, 21-spring, 22-second magnet, 23-liquid cavity, 231-grid, 24-magnet cavity, 25-rubber bumps.
Detailed Description
Referring to fig. 1 to 8, a schematic diagram of a planar structure and a schematic diagram of a three-dimensional structure of a water circulation cyclone polisher with convenient abrasive material replacement.
A water circulation rotational flow polishing machine convenient for replacing abrasive materials comprises a base 1 and a polishing machine 2, wherein the right side above the base 1 is fixedly connected with a rotating machine 5, the left side of the rotating machine 5 is movably connected with a rotating rod 6, the rotating rod 6 is respectively and fixedly connected with two sides of the polishing machine 2, the left end of the rotating rod 6 is movably connected with a supporting plate 7, the upper end of the polishing machine 2 is fixedly provided with a top cover 3, the top cover 3 is fixedly connected with a water pipe 10, the top edge of the polishing machine 2 is fixedly provided with an arc shell 201, the left side of the arc shell 201 is fixedly connected with a columnar speed changer 4, the middle part of the columnar speed changer 4 is movably connected with a first transmission belt 11, the left side of the lower end of the columnar speed changer 4 is fixedly connected with a power box 8, the inside of the power box 8 is fixedly provided with a motor 801, the top end of the arc, the outer surface of the lower half part of the polishing machine 2 is fixedly provided with a switch cover 9, and the bottom end of a water pipe 10 is fixedly connected with a water pump 12;
a sliding ball groove 141 is arranged on the inner wall of the upper half part of the polisher 2, a sliding ball 14 is movably arranged in the sliding ball groove 141, a grinding cone 13 is movably arranged at the bottom of the inner cavity of the upper half part of the polisher 2, a convex block strip 131 is fixedly connected to the outer surface of the grinding cone 13, a magnetic cavity 24 is arranged at the bottom end of the inner part of the grinding cone 13, a first magnet 20 is placed in the magnetic cavity 24, a rubber convex block 25 is fixedly arranged on the inner wall of the magnetic cavity 24, a spring 21 is fixedly connected to the lower end of the magnetic cavity 21, a second magnet 22 is fixedly connected to the lower end of the spring 21, a liquid cavity 23 is fixedly connected to the lower end of the second magnet, a grid 231 is arranged at the top end of the liquid cavity 23, a filter screen 191 is fixedly connected to the bottom of the liquid cavity 23, a sedimentation tank 19 is fixedly connected to the lower end of the filter screen 191, a rotary drum 192 is, the lower end of the abrasive discharge passage 16 is communicated with an abrasive passage 17, the bottom of the abrasive passage 17 is fixedly connected with an abrasive box 18, and a rotating rod 15 is movably embedded at the bottom of the grinding cone 13.
In specific implementation, two thirds of the sliding ball 14 is embedded in the sliding ball groove 141, and the outer surface of the sliding ball 14 is made of polyurethane, so that the sliding ball 14 cannot slide out of the sliding ball groove 141 and can rotate 360 degrees, and the friction force of the sliding ball 14 is increased by the outer polyurethane layer, so that the abrasive is more easily driven to rotate, and the polishing of the internal workpiece is better.
In specific implementation, the bump strips 131 are spirally arranged and are wavy as a whole, so that the abrasive can be turned up and down in a wavy manner when rotating, and the friction between the abrasive and the workpiece is increased.
In the embodiment, the rubber protrusion 25 is semicircular, and the rubber protrusion 25 is installed between the magnet 20 and the inner wall of the magnet cavity 24, the semicircular configuration enables the first magnet 20 and the rubber protrusion 25 to easily rub when the grinding cone 13 rotates, and the magnetic force of the first magnet 20 is gradually reduced by gradually accumulating heat during rubbing, so that the grinding cone 13 can automatically move upwards.
In a specific embodiment, the first magnet 20 and the second magnet 22 are disposed opposite to each other with the spring 21 interposed therebetween and attract each other, and the first magnet 20 and the second magnet 22 in the grinding cone 13 do not attract each other when the grinding cone is not rotated to a certain speed, so that the spring 21 does not lift the grinding cone 13.
In the specific implementation, the grating 231 is vertically below the abrasive discharge channel 16, the abrasive and the grinding water move downwards in the abrasive discharge channel 16 to reach the grating 231, the grating 231 enables the grinding water to leak down to block the abrasive, and the grating 231 is rotated while the grinding cone 13 is rotated by the rotating rod 15, so that the abrasive blocked on the grating 231 can reach the abrasive channel 17 under the action of centrifugal force, and the function of separating the grinding water from the abrasive is achieved.
In the specific implementation, the rotating rod 15 is connected with the cylindrical speed changer 4 through the first transmission belt 11, so that the power of the motor 801 is transmitted to the rotating rod 15 after being changed in speed through the cylindrical speed changer 4, and the grinding cone 13 on the rotating rod 15 can change the rotating speed according to different workpieces and different grinding materials.
In the specific implementation, the water pump 12 is connected with the upper half part of the sedimentation tank 19, so that the clean water treated in the sedimentation tank 19 can be recycled, and the water resource can be saved.
In specific implementation, the blades of the rotary drum 192 are gradually enlarged from bottom to top, the rotary drum 192 rotates in the sedimentation tank 19 by the power of the rotary rod 15 rotating the grinding cone 13, the blades are gradually enlarged to generate a centrifugal sedimentation principle in the sedimentation tank 19, and the upper half part inside the sedimentation tank 19 is clean water to facilitate water circulation.
The working principle and the practical method of the water circulation rotational flow polishing machine convenient for replacing the grinding materials are as follows.
Firstly, a workpiece and an abrasive matched with the workpiece are placed in a polisher 2, then a motor 801 is started, the motor 801 is transmitted to a columnar speed changer 4 through a second transmission belt 802, the columnar speed changer 4 changes the speed according to needs and then drives a first transmission belt 11, a rotating rod 15 connected with the first transmission belt 11 rotates, the rotating rod 15 drives a grinding cone 13 to rotate so that the abrasive in the polisher 2 and the workpiece are in rotating friction, a sliding ball 14 on the inner wall of the upper half part of the polisher 2 rotates along with the abrasive so that the friction of the abrasive to the inner wall is reduced and the rotating speed of the abrasive and the friction speed of the abrasive to the workpiece are increased, a bump strip 131 on the grinding cone 13 is in spiral wave arrangement, the abrasive and the workpiece can be turned over up and down while rotating, so that the workpiece is better polished, when the grinding cone 13 rotates, a first magnet 20 in an inner magnet cavity 24 also rotates, and rubs with a rubber bump 25 on the inner wall of the magnet cavity 24 while rotating to generate heat, when the grinding cone 13 finishes grinding, the first magnet 20 inside also accumulates considerable heat, the rise of the heat weakens the magnetic force of the first magnet 20 on the second magnet 22, the force of the magnet on the spring 21 below is reduced, the spring 21 moves upwards, the grinding cone 13 moves upwards, so that the abrasive flows to the abrasive discharge passage 16 through the gap opened by the grinding cone 13 and the inner wall, only the ground workpiece in the upper half part of the polisher 2 is removed along with the abrasive, the water pump 12 works to send water to the workpiece in the polisher 2, the water for washing the workpiece moves downwards along with the abrasive discharge passage 16, the magnet cavity 24 is cooled when the water passes through the bottom of the grinding cone 13, the first magnet 20 can rapidly cool down after the water flows through to recover the magnetic force, the grinding cone 13 moves downwards to continue the next polishing work, the abrasive cleaning water and the abrasive discharge passage 16 reach the grid 231 at the top of the liquid cavity 23, cleaning water enters the liquid cavity 23 through the grating 231, the abrasive is blocked on the grating 231, the liquid cavity 23 is connected with the rotating rod 15 to enable the grating 231 to rotate together, the abrasive blocked on the grating 231 is thrown outwards into the abrasive channel 17 under the action of centrifugal force, and finally enters the abrasive box 18 to be convenient for reuse, the cleaning water leaks into the liquid cavity 23 and reaches the filter screen 191 at the bottom end, the filter screen 191 filters large dregs in the cleaning water, the cleaning water with small dregs finally reaches the sedimentation tank 19 through the filter screen 191, centrifugal sedimentation is generated under the rotating action of the rotary drum 192 in the sedimentation tank 19, fine dregs can sink at the upper part of clean water at the bottom, the water pump 12 is connected with the upper part of the sedimentation tank 19 to complete water circulation, and finally the polishing machine 2 inclines under the action of the rotating machine 5, the rotating rod 6 and the supporting plate 7 to pour out the internally ground workpieces.
Claims (9)
1. The utility model provides a conveniently change hydrologic cycle whirl burnishing machine of abrasive material, includes base (1), burnishing machine (2), its characterized in that: the upper right side of the base (1) is fixedly connected with a rotating machine (5), the left side of the rotating machine (5) is movably connected with a rotating rod (6), the rotating rod (6) is respectively and fixedly connected with two sides of a polishing machine (2), the left end of the rotating rod (6) is movably connected with a supporting plate (7), the upper end of the polishing machine (2) is fixedly installed with a top cover (3), the top cover (3) is fixedly connected with a water pipe (10), the top edge of the polishing machine (2) is fixedly installed with an arc shell (201), the left side of the arc shell (201) is fixedly connected with a columnar speed changer (4), the middle part of the columnar speed changer (4) is movably connected with a first transmission belt (11), the lower left side of the columnar speed changer (4) is fixedly connected with a power box (8), and the inside of the power box (8) is fixedly installed with a, the top end of the motor (801) is movably connected with a second transmission belt (802), the right end of the second transmission belt (802) is movably connected with a columnar transmission (4), the outer surface of the lower half part of the finishing machine (2) is fixedly provided with a switch cover (9), and the bottom end of the water pipe (10) is fixedly connected with a water pump (12);
a sliding ball groove (141) is formed in the upper half inner wall of the polishing machine (2), a sliding ball (14) is movably mounted in the sliding ball groove (141), a grinding cone (13) is movably mounted at the bottom of the upper half inner cavity of the polishing machine (2), a convex block strip (131) is fixedly connected to the outer surface of the grinding cone (13), a magnet cavity (24) is formed in the bottom end of the inner portion of the grinding cone (13), a first magnet (20) is placed in the magnet cavity (24), a rubber convex block (25) is fixedly mounted on the inner wall of the magnet cavity (24), a spring (21) is fixedly connected to the lower end of the magnet cavity (24), a second magnet (22) is fixedly connected to the lower end of the spring (21), a liquid cavity (23) is fixedly connected to the lower end of the second magnet, a grid (231) is arranged at the top end of the liquid cavity (23), and a filter screen (191) is fixedly connected to the bottom of the liquid cavity (23, the polishing machine is characterized in that a sedimentation tank (19) is fixedly connected to the lower portion of the filter screen (191), a rotary drum (192) is fixedly connected to the lower end of the second magnet (22), an abrasive discharging channel (16) is fixedly connected to the bottom of the upper half portion of the polishing machine (2), an abrasive channel (17) is communicated with the lower end of the abrasive discharging channel (16), an abrasive box (18) is fixedly connected to the bottom of the abrasive channel (17), a rotary rod (15) is movably embedded in the bottom of the grinding cone (13), and the first transmission belt (11) is connected with the rotary rod (15).
2. The water circulation rotational flow finishing machine convenient for abrasive material replacement according to claim 1, characterized in that: the sliding ball groove (141) is embedded with two thirds of the sliding ball, and the outer surface of the sliding ball is made of polyurethane.
3. The water circulation rotational flow finishing machine convenient for abrasive material replacement according to claim 1, characterized in that: the convex block strips (131) are arranged spirally and are wavy on the whole.
4. The water circulation rotational flow finishing machine convenient for abrasive material replacement according to claim 1, characterized in that: the rubber bump (25) is semicircular, and the rubber bump (25) is installed between the first magnet (20) and the inner wall of the magnet cavity (24).
5. The water circulation rotational flow finishing machine convenient for abrasive material replacement according to claim 1, characterized in that: the first magnet (20) and the second magnet (22) are arranged opposite to each other with a spring (21) therebetween and attract each other.
6. The water circulation rotational flow finishing machine convenient for abrasive material replacement according to claim 1, characterized in that: the grid (231) is vertically directly below the abrasive discharge channel (16).
7. The water circulation rotational flow finishing machine convenient for abrasive material replacement according to claim 1, characterized in that: the rotating rod (15) is connected with the columnar speed changer (4) through a first transmission belt (11).
8. The water circulation rotational flow finishing machine convenient for abrasive material replacement according to claim 1, characterized in that: the water pump (12) is connected with the upper half part of the sedimentation tank (19).
9. The water circulation rotational flow finishing machine convenient for abrasive material replacement according to claim 1, characterized in that: the blades of the rotary drum (192) are gradually increased from bottom to top.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910033310.6A CN109514394B (en) | 2019-01-14 | 2019-01-14 | Conveniently change hydrologic cycle spiral-flow light decorations machine of abrasive material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910033310.6A CN109514394B (en) | 2019-01-14 | 2019-01-14 | Conveniently change hydrologic cycle spiral-flow light decorations machine of abrasive material |
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| Publication Number | Publication Date |
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| CN109514394A CN109514394A (en) | 2019-03-26 |
| CN109514394B true CN109514394B (en) | 2020-05-19 |
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| CN201910033310.6A Active CN109514394B (en) | 2019-01-14 | 2019-01-14 | Conveniently change hydrologic cycle spiral-flow light decorations machine of abrasive material |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113787448B (en) * | 2021-11-15 | 2022-01-18 | 龙口市大川活塞有限公司 | Machining equipment for engine piston |
| CN115401596B (en) * | 2022-10-10 | 2023-05-05 | 浙江湖磨抛光磨具制造有限公司 | Polishing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE1285909B (en) * | 1964-11-27 | 1968-12-19 | Roto Finish Co | Vibratory scrubber |
| US3708918A (en) * | 1969-11-12 | 1973-01-09 | C Pool | Agitator for moving fluid suspended objects through abrasive motions |
| FR2217935A5 (en) * | 1973-02-15 | 1974-09-06 | Oxy Metal Finishing Corp | |
| CN2088465U (en) * | 1991-03-09 | 1991-11-13 | 山东省五莲县纺机配件厂 | Vortex flow grinder |
| CN2368651Y (en) * | 1999-04-16 | 2000-03-15 | 大连市金州区机械加工厂光整设备分厂 | Vortex polishing apparatus |
| JP3778876B2 (en) * | 2002-06-10 | 2006-05-24 | 株式会社日本製鋼所 | Chemical conversion treatment method for aluminum alloy or magnesium alloy molded body |
| JP3609067B2 (en) * | 2002-06-19 | 2005-01-12 | 株式会社ノリタケスーパーアブレーシブ | Pad conditioner for CMP processing |
| CN201077779Y (en) * | 2007-06-13 | 2008-06-25 | 大连寅诚表面设备制造有限公司 | Polisher hydrologic cycle processing system |
| CN205066490U (en) * | 2015-10-13 | 2016-03-02 | 中石化宁波工程有限公司 | Automatic control device is retrieved to lime set |
| CN105537010B (en) * | 2016-02-17 | 2017-12-19 | 江苏华大离心机制造有限公司 | A kind of solid-liquid separating method and the vertical centrifugal machine using this method and distribution device therein |
| CN106584261A (en) * | 2016-12-21 | 2017-04-26 | 宁波市北仑燎原模铸有限公司 | Workpiece polishing machine |
| CN107185730A (en) * | 2017-06-09 | 2017-09-22 | 大连隆田科技有限公司 | A kind of solid centrifuge of vertical spiral spinning liquid for realizing solid product Ultra-low Moisture Content |
| CN107008577A (en) * | 2017-06-09 | 2017-08-04 | 大连隆田科技有限公司 | A kind of solid centrifuge of vertical spiral spinning liquid with automatic cleaning function |
| CN108890439B (en) * | 2018-09-09 | 2021-01-05 | 合肥安信通用阀片制造有限公司 | Drum-type valve block finishing machine |
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