CN210754215U - Cleaning system for plating bath - Google Patents

Cleaning system for plating bath Download PDF

Info

Publication number
CN210754215U
CN210754215U CN201921647908.6U CN201921647908U CN210754215U CN 210754215 U CN210754215 U CN 210754215U CN 201921647908 U CN201921647908 U CN 201921647908U CN 210754215 U CN210754215 U CN 210754215U
Authority
CN
China
Prior art keywords
brush
movable plate
electroplating bath
plating bath
bath
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.)
Active
Application number
CN201921647908.6U
Other languages
Chinese (zh)
Inventor
袁冠宇
苏耀斌
赵荣贵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yongjin Electroplating Shenzhen Co ltd
Original Assignee
Yongjin Electroplating Shenzhen Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yongjin Electroplating Shenzhen Co ltd filed Critical Yongjin Electroplating Shenzhen Co ltd
Priority to CN201921647908.6U priority Critical patent/CN210754215U/en
Application granted granted Critical
Publication of CN210754215U publication Critical patent/CN210754215U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model relates to a cleaning system for plating bath, including installing in the cavity support body at plating bath top, be equipped with the drive arrangement that belt cleaning device and drive belt cleaning device removed on the support body, belt cleaning device includes sliding connection movable plate on the support body, connects the first brush on the movable plate, first brush is connected in the plating bath inside wall, and with plating bath inside wall butt, drive arrangement connects on the movable plate, drive arrangement can drive the movable plate and remove, drives first brush again and slides along the plating bath inside wall. The utility model discloses a set up drive arrangement and belt cleaning device, need not the manual work and wash the plating bath inside wall, have the effect that improves the cleaning efficiency.

Description

Cleaning system for plating bath
Technical Field
The utility model belongs to the technical field of cleaning system's technique and specifically relates to a cleaning system for plating bath is related to.
Background
Electroplating is a process of placing a workpiece in a rectangular electroplating bath filled with electroplating solution, conducting current on the workpiece, and plating a layer of metal on the surface of the workpiece by utilizing electrolysis to attach a layer of film on the surface of the workpiece. The electroplating has the functions of improving the wear resistance, the corrosion resistance and the like, and can achieve the purposes of preventing the workpiece from being oxidized and protecting the surface of the workpiece.
After the electroplating bath is used for a long time, sludge formed by metal ion precipitation is generated on the inner wall of the electroplating bath, and the generated sludge corrodes the inner wall of the electroplating bath, so that the electroplating effect is influenced, and the inner wall of the electroplating bath needs to be cleaned regularly.
The existing electroplating bath is not provided with a cleaning system capable of automatically cleaning, and the inner wall of the electroplating bath is cleaned by a manual cleaning mode which is low in cleaning efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cleaning system for plating bath, it need not artifical washing plating bath inside wall through setting up drive arrangement and belt cleaning device, has the effect that improves the cleaning efficiency.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a cleaning system for plating bath, is including installing the cavity support body at plating bath top, be equipped with the drive arrangement that belt cleaning device and drive belt cleaning device removed on the support body, belt cleaning device includes sliding connection movable plate on the support body, connects the first brush on the movable plate, first brush is connected in the plating bath inside wall, and with plating bath inside wall butt, drive arrangement connects on the movable plate, drive arrangement can drive the movable plate and remove, drives first brush again and slides along the plating bath inside wall.
Through adopting above-mentioned technical scheme, through setting up belt cleaning device and drive arrangement on the plating bath, drive arrangement can drive the movable plate and remove, and the movable plate drives first brush and removes for first brush can paste the inside wall of plating bath and remove, reaches the purpose of self-cleaning plating bath inside wall. The first brush is arranged to be capable of moving to two ends of the inner side wall of the electroplating bath, and when the motor rotating shaft is continuously changed, the first brush moves back and forth between two ends of the inner side wall of the electroplating bath, so that the first brush can basically clean the whole inner side wall of the electroplating bath, and a better cleaning effect is achieved. Adopt belt cleaning device to wash the plating bath inside wall, need not the staff and wash the plating bath, have the effect that improves cleaning efficiency for it is better to electroplate the effect.
The utility model discloses further set up to: a sliding groove is formed in one side of the frame body in the length direction, the driving device comprises motors arranged at two ends of the sliding groove, pull ropes are arranged on the motors, two ends of each pull rope are respectively connected to two motor rotating shafts, and the moving plate is connected with the pull ropes; the two motor rotating shafts rotate in the same direction and at the same speed to drive the pull rope to rotate and then drive the movable plate to move.
Through adopting above-mentioned technical scheme, through setting up the motor, motor shaft rotates, drives stay cord winding or unwrapping wire on motor shaft, drives the movable plate again and slides in the spout, and the movable plate removes and makes first brush move on the plating bath inside wall to realize the washing purpose of first brush to the plating bath inside wall.
The utility model discloses further set up to: and balls are arranged in the sliding groove in the length direction.
Through adopting above-mentioned technical scheme, through setting up the ball, the ball can become rolling friction with the sliding friction between movable plate and the spout, reduces frictional force between the two to be favorable to the movable plate to slide in the spout.
The utility model discloses further set up to: one end of the first brush, which is far away from the moving plate, extends to the bottom wall in the electroplating bath.
Through adopting above-mentioned technical scheme, to a certain extent, first brush is longer, and first brush is bigger with the area of contact of plating bath inside wall, and the area of brushing when first brush removes is bigger, and first brush is better, the cleaning efficiency is higher to the cleaning performance of plating bath inside wall. One end of the first brush, which is far away from the moving plate, extends to the inner bottom wall of the electroplating bath, so that the length of the first brush is increased, and the cleaning effect and the cleaning efficiency of the first brush are improved.
The utility model discloses further set up to: the cleaning device is provided with at least one cleaning device.
Through adopting above-mentioned technical scheme, to a certain extent, belt cleaning device's quantity is more, and first brush is bigger with the area of contact of plating bath inside wall, and the area of brushing when first brush removes is bigger, and first brush is better, the cleaning efficiency is higher to the cleaning performance of plating bath inside wall. The number of the cleaning devices is at least one, the number of the first brushes is increased, and therefore the cleaning effect and the cleaning efficiency of the first brushes are improved.
The utility model discloses further set up to: the two cleaning devices are respectively arranged on two opposite sides of the electroplating bath; a second brush is arranged between the two first brushes, two ends of the second brush are respectively connected to one end of the two first brushes, which is far away from the movable plate, and the second brush is abutted against the inner bottom wall of the electroplating bath.
By adopting the technical scheme, the two ends of the second brush are respectively connected to the two first brushes by arranging the second brush, and the bottom wall in the electroplating bath can be cleaned when the second brush moves. When the first brush moves, the second brush is driven to move, the first brush and the second brush move simultaneously, and the first brush and the second brush can simultaneously and respectively clean the inner side wall and the inner bottom wall of the electroplating bath. Under the combined action of the first brush and the second brush, the cleaning device can not only clean the inner side wall of the electroplating bath, but also clean the inner bottom wall of the electroplating bath, and the cleaning effect of the cleaning device is greatly improved.
The utility model discloses further set up to: and the moving plate is provided with a nozzle for spraying water into the electroplating bath.
Through adopting above-mentioned technical scheme, through setting up the shower nozzle, the shower nozzle can be sprayed the water at the plating bath inner wall, utilizes high pressure water cleaning's principle to wash the mud that deposits on the plating bath inner wall. The first brush, the second brush and the spray head are used for brushing and washing the inner wall of the electroplating bath in combination with the action of the first brush and the second brush, the cleaning effect of the cleaning device is further improved under the double cleaning action of the electroplating bath, and the cleaned sludge can leave the inner wall of the electroplating bath along with the flow of water, so that the cleaning of the sludge is facilitated.
The utility model discloses further set up to: and a water suction pump for pumping water from the electroplating bath is also included.
Through adopting above-mentioned technical scheme, through setting up the suction pump, when wasing the plating bath, the shower nozzle is on one side with clean water injection in the plating bath, and the suction pump is on one side taken the sewage after wasing out, improvement plating bath water cleanliness factor that can the certain degree to reach better cleaning performance.
To sum up, the utility model discloses a beneficial technological effect does:
through set up belt cleaning device and drive arrangement on the plating bath, drive arrangement can drive the movable plate and remove, and the movable plate drives first brush and removes for first brush can paste the inside wall of plating bath and remove, reaches the purpose of self-cleaning plating bath inside wall. The first brush is arranged to be capable of moving to two ends of the inner side wall of the electroplating bath, and when the motor rotating shaft is continuously changed, the first brush moves back and forth between two ends of the inner side wall of the electroplating bath, so that the first brush can basically clean the whole inner side wall of the electroplating bath, and a better cleaning effect is achieved. The cleaning device is adopted to clean the inner side wall of the electroplating bath, so that workers do not need to clean the electroplating bath, and the cleaning device has the effect of improving the cleaning efficiency and has a better electroplating effect;
by arranging the second brush, the cleaning device can clean the inner side wall and the inner bottom wall of the electroplating bath at the same time, so that a better cleaning effect is achieved;
through setting up the shower nozzle, first brush, second brush and shower nozzle can be through scrubbing and washing and rinse the plating bath inner wall simultaneously and wash, and the cleaning performance further improves.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic view of a part of the structure of the embodiment of the present invention.
In the figure, 1, an electroplating bath; 2. a frame body; 21. a chute; 31. moving the plate; 311. connecting blocks; 3111. a through hole; 32. a first brush; 33. a second brush; 4. a drive device; 41. a motor; 42. pulling a rope; 5. a ball bearing; 6. a spray head; 7. a water pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-2.
Referring to fig. 1, for the utility model discloses a cleaning system for plating bath 1, including installing support body 2 on plating bath 1 top, sliding connection has belt cleaning device 3 on support body 2, and belt cleaning device 3 includes movable plate 31, is connected with the drive arrangement 4 that drive movable plate 31 removed on the movable plate 31, still is connected with first brush 32 on the movable plate 31, and first brush 32 is connected in plating bath 1 inner wall.
Referring to fig. 1, the frame body 2 is integrally a hollow rectangle, the frame body 2 is adapted to the electroplating bath 1, grooves (not shown in the figure) connected end to end are formed in one surface of the frame body 2 connected to the electroplating bath 1 along the side lengths of four sides of the frame body, the grooves are adapted to four top sides of the electroplating bath 1, and the four top sides of the electroplating bath 1 are embedded into the grooves, so that the installation of the frame body 2 on the electroplating bath 1 is realized.
Referring to fig. 2, two sliding grooves 21 are formed in one surface of the frame body 2, which is far away from the electroplating bath 1, the two sliding grooves 21 are respectively formed in two long edges of the frame body 2 and are arranged along the length direction of the long edges, and two ends of each sliding groove 21 respectively extend to two ends of the long edge. As shown in fig. 1, the driving device 4 includes motors 41 provided at both ends of the slide groove 21, and a rope 42 connected between the two motors 41. The motor 41 is fixedly connected to the joint of the short side and the long side of the frame body 2, and the axial direction of the rotating shaft of the motor 41 is vertical to the length direction of the long side of the frame body 2. Two ends of the pulling rope 42 are respectively connected to the rotating shafts of the two motors 41, and the length direction of the pulling rope 42 is vertical to the axial direction of the rotating shafts of the motors 41.
Referring to fig. 2, the moving plate 31 is disposed on a surface of the frame 2 away from the electroplating tank 1, the moving plate 31 includes a connecting block 311, the connecting block 311 is disposed on a surface of the moving plate 31 connected to the sliding groove 21 and is adapted to the sliding groove 21, and the connecting block 311 can slide in the sliding groove 21. The connecting block 311 is provided with a through hole 3111, and the pull rope 42 passes through the through hole 3111 and is connected with the connecting block 311. Referring to fig. 1, the first brush 32 is disposed at a middle portion of one side of the moving plate 31 near the inner wall of the plating tank 1, and the length direction of the first brush is parallel to a plane where an inner sidewall of the plating tank 1 is located, and the first brush 32 is connected to an inner sidewall of the plating tank 1 near the moving plate 31. The surface of the first brush 32 connected with the inner side wall of the electroplating bath 1 is provided with brush hair along the length direction, and the brush hair of the first brush 32 is abutted against the inner side wall of the electroplating bath 1.
Referring to fig. 1 and 2, when the two rotating shafts of the motor 41 rotate in the same direction and at the same speed, the rotating shafts of the motor 41 pull the pull rope 42, so that the pull rope 42 is wound or unwound around the rotating shaft of one motor 41 to drive the moving plate 31 to move in the chute 21, and further drive the first brush 32 to move along the inner side wall in the electroplating bath 1, and the bristles of the first brush 32 brush the inner side wall of the electroplating bath 1 to clean the sludge on the inner side wall of the electroplating bath 1. When the rotation shaft of the motor 41 is continuously changed, the first brush 32 moves back and forth in the plating tank 1, and the first brush 32 can sufficiently clean the inner side wall of the plating tank 1. Adopt belt cleaning device 3 to wash 1 inside wall of plating bath, need not the staff and wash plating bath 1, have the effect that improves cleaning efficiency for electroplating effect is better.
Referring to fig. 1 and 2, in order to facilitate the moving plate 31 to slide in the sliding slot 21, a plurality of balls 5 are uniformly arranged in the length direction of the sliding slot 21, and the balls 5 are arranged on the inner wall of the sliding slot 21 and partially protrude out of the surface of the sliding slot 21. When the moving plate 31 slides in the slide groove 21, the connecting block 311 slides on the ball 5. The arrangement of the balls 5 changes the sliding friction between the moving plate 31 and the slide groove 21 into rolling friction, so that the purpose of facilitating the moving plate 31 to slide in the slide groove 21 is achieved, and the normal function of the cleaning device 3 is facilitated.
Referring to fig. 1, one end of the first brush 32, which is far away from the moving plate 31, extends to the inner bottom wall of the plating tank 1, the length of the first brush 32 is substantially equal to the height of the inner side wall of the plating tank 1, and the first brush 32 has the effect of increasing the area of the inner side wall of the plating tank 1 brushed by the first brush 32 when moving, so that the cleaning effect and the cleaning efficiency of the first brush 32 are improved.
Referring to fig. 1, further, a second brush 33 is disposed between the two first brushes 32, two ends of the second brush 33 are respectively connected to one ends of the two first brushes 32 far away from the moving plate 31, the second brush 33 is disposed on the inner bottom wall of the electroplating tank 1 and connected to the inner bottom wall of the electroplating tank 1, and the length direction of the second brush 33 is parallel to the plane where the inner bottom wall of the electroplating tank 1 is located. The brush bristles of the second brush 33 are arranged on one surface of the second brush 33 close to the inner bottom wall of the electroplating bath 1 along the length direction, and the brush bristles of the second brush 33 are abutted against the inner side wall of the electroplating bath 1.
Referring to fig. 1, when the two first brushes 32 move in the same direction and at the same speed, the second brushes 33 are driven to move along the inner bottom wall of the electroplating tank 1, and the bristles of the second brushes 33 brush the inner bottom wall of the electroplating tank 1 to clean the sludge on the inner bottom wall of the electroplating tank 1. The first brush 32 and the second brush 33 move simultaneously, so that the first brush 32 and the second brush 33 can clean the inner sidewall and the inner bottom wall of the electroplating tank 1 simultaneously. Under the combined action of the first hairbrush 32 and the second hairbrush 33, the cleaning device 3 not only can clean the inner side wall of the electroplating bath 1, but also can clean the inner bottom wall of the electroplating bath 1, and the cleaning effect of the cleaning device 3 is greatly improved.
Referring to fig. 2, a nozzle 6 is disposed in the middle of one surface of the moving plate 31 away from the sliding groove 21, a spray hole of the nozzle 6 faces the plating tank 1, and the nozzle 6 can spray water into the plating tank 1. The water pressure is adjusted, the spray head 6 is controlled to spray water on the inner wall of the electroplating bath 1 under high pressure, and the sludge precipitated on the inner wall of the electroplating bath 1 can be further cleaned by utilizing the principle of high-pressure water cleaning. As shown in fig. 1, the first brush 32 and the second brush 33 are combined, the first brush 32 and the second brush 33 can brush the inner wall of the electroplating bath 1, the nozzle 6 can wash the inner wall of the electroplating bath 1, and the cleaning effect of the cleaning device 3 is further improved under the dual cleaning effect.
Referring to fig. 1, further, a water suction pump 7 is arranged outside one side wall of the electroplating tank 1, and a water suction pipe of the water suction pump 7 extends into the inner bottom wall of the electroplating tank 1 and is used for pumping out sewage after the inner wall of the electroplating tank 1 is cleaned. When the electroplating tank 1 is cleaned, the spray head 6 (shown in figure 2) sprays pure water into the electroplating tank 1, the water suction pump 7 pumps sewage out of the electroplating tank 1, and clear water and discharged sewage can be continuously introduced into the stirring barrel, so that the stirring machine is ensured to have a better cleaning effect.
The implementation principle of the embodiment is as follows: when the inner wall of the electroplating bath 1 is cleaned, the spray head 6 sprays water on the inner wall of the electroplating bath 1, the two motors 41 are started simultaneously, the rotating shafts of the two motors 41 rotate in the same direction and at the same speed, the pull rope 42 is wound towards one of the motors 41 and wound on the rotating shaft of one of the motors 41, the pull rope 42 is wound to drive the movable plate 31 to slide towards one side in the sliding groove 21, and the movable plate 31 slides to drive the first brush 32 to move on the inner side wall of the electroplating bath 1. When the moving plate 31 slides to one end of the sliding slot 21, the rotating direction of the rotating shaft of the motor 41 is changed, and the pulling rope 42 is wound toward the other motor 41, so that the moving plate 31 slides toward the same direction, and the first bristles 32 move toward the same direction. Similarly, the rotation direction of the rotating shaft of the motor 41 is continuously changed to move the first brush 32 back and forth, so as to brush the inner sidewall of the electroplating bath 1 with the first brush 32.
When the two first brushes 32 move back and forth on the inner side wall of the electroplating tank 1, the second brushes 33 are driven to move back and forth on the inner bottom wall of the electroplating tank 1, so that the second brushes 33 can brush the inner bottom wall of the electroplating tank 1. And the water sprayed by the spray head 6 is combined, so that the double cleaning of the inner wall of the electroplating bath 1 is realized.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. A cleaning system for an electroplating bath is characterized in that: including installing in the cavity support body at plating bath top, be equipped with the drive arrangement that belt cleaning device and drive belt cleaning device removed on the support body, belt cleaning device includes sliding connection movable plate on the support body, connects the first brush on the movable plate, first brush is connected in the plating bath inside wall, and with the plating bath inside wall butt, drive arrangement connects on the movable plate, drive arrangement can drive the movable plate and remove, drives first brush again and slides along the plating bath inside wall.
2. The cleaning system for a plating tank as recited in claim 1, wherein: a sliding groove is formed in one side of the frame body in the length direction, the driving device comprises motors arranged at two ends of the sliding groove, pull ropes are arranged on the motors, two ends of each pull rope are respectively connected to two motor rotating shafts, and the moving plate is connected with the pull ropes; the two motor rotating shafts rotate in the same direction and at the same speed to drive the pull rope to rotate and then drive the movable plate to move.
3. The cleaning system for a plating tank as recited in claim 2, wherein: and balls are arranged in the length direction of the sliding groove.
4. The cleaning system for a plating tank as recited in claim 1, wherein: one end of the first brush, which is far away from the moving plate, extends to the bottom wall in the electroplating bath.
5. The cleaning system for a plating tank as recited in claim 4, wherein: the cleaning device is provided with at least one cleaning device.
6. The cleaning system for a plating tank as recited in claim 5, wherein: the two cleaning devices are respectively arranged on two opposite sides of the electroplating bath; a second brush is arranged between the two first brushes, two ends of the second brush are respectively connected to one end of the two first brushes, which is far away from the movable plate, and the second brush is abutted against the inner bottom wall of the electroplating bath.
7. The cleaning system for a plating tank as recited in any one of claims 1 to 6, wherein: and the moving plate is provided with a nozzle for spraying water into the electroplating bath.
8. The cleaning system for a plating tank as recited in claim 7, wherein: and a water suction pump for pumping water from the electroplating bath is also included.
CN201921647908.6U 2019-09-27 2019-09-27 Cleaning system for plating bath Active CN210754215U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921647908.6U CN210754215U (en) 2019-09-27 2019-09-27 Cleaning system for plating bath

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921647908.6U CN210754215U (en) 2019-09-27 2019-09-27 Cleaning system for plating bath

Publications (1)

Publication Number Publication Date
CN210754215U true CN210754215U (en) 2020-06-16

Family

ID=71053158

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921647908.6U Active CN210754215U (en) 2019-09-27 2019-09-27 Cleaning system for plating bath

Country Status (1)

Country Link
CN (1) CN210754215U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112044843A (en) * 2020-08-15 2020-12-08 上海聚晶电子设备有限公司 Cleaning device for electroplating
CN112195494A (en) * 2020-09-24 2021-01-08 芜湖时烁电子科技有限公司 Electrolysis trough for electroplating
CN114934565A (en) * 2022-05-30 2022-08-23 青岛海尔全屋家居有限公司 Three-in-one unmanned kitchen system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112044843A (en) * 2020-08-15 2020-12-08 上海聚晶电子设备有限公司 Cleaning device for electroplating
CN112195494A (en) * 2020-09-24 2021-01-08 芜湖时烁电子科技有限公司 Electrolysis trough for electroplating
CN112195494B (en) * 2020-09-24 2022-03-18 安徽一佳一科技有限公司 Electrolysis trough for electroplating
CN114934565A (en) * 2022-05-30 2022-08-23 青岛海尔全屋家居有限公司 Three-in-one unmanned kitchen system

Similar Documents

Publication Publication Date Title
CN210754215U (en) Cleaning system for plating bath
CN203343098U (en) Shellfish washing machine
CN210753941U (en) High-efficiency energy-saving online cleaning unit
CN210614457U (en) Belt cleaning device is used in steel casting processing
CN210207981U (en) Cleaning device for electroplating pool
CN210753948U (en) Belt cleaning device of portable water pump accessory
CN212349598U (en) Solar cell panel belt cleaning device for new forms of energy
CN210315803U (en) Constant pressure water supply equipment convenient to wash
CN112157024A (en) Shaking type cleaning equipment for sand removal of casting motor shell
CN218105846U (en) Shoe washing machine
CN109339183B (en) Self-cleaning closestool structure
CN211229079U (en) Glass curtain wall fixing device
CN213409598U (en) Steel wire brush cleaning equipment
CN211992338U (en) A reinforcing bar rust cleaning device for building engineering
CN214004848U (en) Cleaning system for plating bath
CN210176993U (en) Aluminum roller surface chromium plating equipment
CN107242848A (en) It is a kind of to prevent the wash basin of accumulation of mud
CN208245379U (en) A kind of new-energy automobile Drive axle housing interior cleaning apparatus
CN219032593U (en) Cleaning device is used in non-woven fabrics production
CN217080700U (en) Cleaning robot for tower of wind driven generator
CN215204374U (en) Automobile self-cleaning electric skylight
CN2208893Y (en) Rotary brushing cleaner
CN219378122U (en) Continuous cleaning equipment for dirt on steel surface
CN213925029U (en) Bearing ring pickling device for deep groove ball bearing machining
CN212976203U (en) Pool wall cleaning device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant