CN216912397U - Part wire-electrode cutting recovery unit and cutting machine suitable for metal vibration material disk - Google Patents
Part wire-electrode cutting recovery unit and cutting machine suitable for metal vibration material disk Download PDFInfo
- Publication number
- CN216912397U CN216912397U CN202220220551.9U CN202220220551U CN216912397U CN 216912397 U CN216912397 U CN 216912397U CN 202220220551 U CN202220220551 U CN 202220220551U CN 216912397 U CN216912397 U CN 216912397U
- Authority
- CN
- China
- Prior art keywords
- cutting
- recycling
- recovery
- basket
- wire
- 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
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The utility model relates to the field of metal additive manufacturing post-treatment, and discloses a part linear cutting recovery device and a cutting machine suitable for metal additive manufacturing. The part linear cutting recovery device comprises a part recovery box arranged below a cutting position of a linear cutting machine, wherein a recovery basket is arranged in the part recovery box, and at least the bottom of the recovery basket is provided with a water permeable hole; the bottom of the part recovery box is connected with a working liquid box of the wire cutting machine through a working liquid return pipe, and the working liquid return pipe is provided with a working liquid return valve; the part recycling bin is connected with a cleaning water supply system, a waste water recycling pipe is arranged at the bottom of the part recycling bin, a waste water recycling valve is arranged on the waste water recycling pipe, and the waste water recycling pipe is connected with a waste water treatment system. By adopting the recovery device, the recovery efficiency of parts can be improved, the fingers are prevented from being scratched by metal scraps in the process of picking up the parts, the loss of precise small parts can be avoided, and the parts can be directly cleaned in the recovery process.
Description
Technical Field
The utility model relates to the field of metal additive manufacturing post-treatment, in particular to a part linear cutting recovery device and a cutting machine suitable for metal additive manufacturing.
Background
In recent years, due to the rapid development of additive manufacturing, a mature production line in which post-processing supporting equipment is indispensable is often the post-processing equipment which greatly determines the performance of parts, and the development and application of the high-performance key metal component additive technology will depend not only on powder materials and machine equipment for printing, but also on the post-processing technology and equipment to a greater extent. During the part post-processing, the parts need to be cut from the substrate. For this post-processing parts recycling process, the individual wire cutting apparatus lacks a recycling device, resulting in the appearance of a significant short board, which has several disadvantages:
1. the cut small precision parts are easy to lose;
in the existing wire cutting working process, the phenomenon of losing printed fine parts often occurs, so that only two or even multiple times of processing are performed;
2. the recovery time is long
After linear cutting, the platform is easy to accumulate dirt or mix with dirty cutting solution which is not discharged, and the recovery time of parts is longer;
3. potential safety hazards;
in the part recovery process, hand scratches are easily caused, and great potential safety hazards exist;
4. the sanitary environment is poor;
due to the recycling of the conductive solution, the surface of the part is easily stained after cutting, and the part needs to be cleaned independently by an operator in the later period.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a part wire-electrode cutting recovery device and a cutting machine which are suitable for metal additive manufacturing, and the recovery of parts after wire-electrode cutting is convenient.
The utility model discloses a part wire-electrode cutting recovery device suitable for metal additive manufacturing, which comprises a part recovery box arranged below a cutting position of a wire-electrode cutting machine, wherein a recovery basket is arranged in the part recovery box, and at least the bottom of the recovery basket is provided with a water permeable hole;
the bottom of the part recovery box is connected with a working liquid box of the wire cutting machine through a working liquid return pipe, and the working liquid return pipe is provided with a working liquid return valve;
the part recycling bin is connected with a cleaning water supply system, a waste water recycling pipe is arranged at the bottom of the part recycling bin, a waste water recycling valve is arranged on the waste water recycling pipe, and the waste water recycling pipe is connected with a waste water treatment system.
Preferably, the cleaning water supply system comprises a clean water tank, a clean water supply pipe and a cleaning nozzle, the cleaning nozzle is connected with the clean water tank through the clean water supply pipe, a cleaning water supply pump is arranged on the clean water supply pipe, and the cleaning nozzle is arranged on the part recovery box.
Preferably, the clean water supply pipe and the cleaning spray head are connected through a hose.
Preferably, an ultrasonic generator is arranged in the part recovery box.
Preferably, movable support legs are arranged on two sides of the recycling basket and hinged to the side walls of the recycling basket, so that the movable support legs can be switched between a vertical supporting state and an inclined recycling state, the bottom end of the vertical supporting state of the movable support legs is lower than the bottom surface of the recycling basket, and the bottom end of the inclined recycling state of the movable support legs is higher than the bottom surface of the recycling basket or flush with the bottom surface of the recycling basket.
Preferably, each side of the recovery basket is provided with at least two movable support legs, the movable support legs on the same side are connected through a connecting rod, and the connecting rod is hinged to the movable support legs.
Preferably, the movable supporting leg is hinged with a pushing structure, the bottom of the movable supporting leg is provided with a roller, the top of the pushing structure is provided with a hook, the part recycling box or the recycling basket is provided with the pushing structure, and one side of the movable supporting leg, which is far away from the pushing structure, is provided with a limiting block for limiting the excessive rotation of the movable supporting leg; and under the vertical supporting state of the movable supporting leg, the hook corresponds to the position of the hanging lug.
Preferably, the pushing and pressing structure further comprises hinged rods and a cross rod, the two ends of the cross rod are connected with the hinged rods, the hinged rods at the two ends of the cross rod are hinged with the movable support legs on the two sides of the recycling basket respectively, and the hook is arranged in the middle of the cross rod.
The application discloses wire cutting machine, including cutting wire, fixed station and working solution case, the cutting section of fixed station and cutting wire sets up in the cutting position, the cutting section top of cutting wire is provided with the working solution shower nozzle, the working solution case is connected with the working solution shower nozzle through the working solution feed pipe, be provided with the working solution feed pump on the working solution feed pipe, wire cutting machine still includes part wire-electrode cutting recovery unit, the vertical setting of fixed station, the cutting section of cutting wire sets up in the front end of fixed station, the part collection box sets up in the cutting section below of cutting wire.
The utility model has the beneficial effects that:
1. compared with the existing wire cutting platform type recovery part, the part can be directly recovered by the recovery basket and separated from the cutting solution and dirt which are not discharged, the part recovery operation of operators is convenient and quick, time and labor are saved, and the part recovery efficiency is improved;
2. the part can be separated from the metal scraps in the recovery process, so that fingers are prevented from being scratched by the metal scraps in the part picking process;
3. the loss of the cut precise small parts due to the fact that impurities are mixed in or the cut precise small parts flow into the working liquid box along with the solution can be avoided;
4. can directly finish cleaning in the part recovery process, and is more sanitary and more environment-friendly when being operated by operators.
Drawings
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is a schematic view of the recovery basket in an upright support position;
FIG. 3 is a top view of the recovery basket.
Reference numerals: the device comprises a working liquid box 1, a working liquid supply pipe 2, a working liquid supply pump 3, a working liquid spray head 4, a working liquid return pipe 5, a working liquid return valve 6, a cutting wire 7, a cutting section 71, a fixed table 8, a base plate 9, a part 10, a part recovery box 11, a recovery basket 12, a clean water box 13, a clean water supply pipe 14, a cleaning water supply pump 15, a cleaning spray head 16, a wastewater treatment system 17, a wastewater recovery pipe 18, a wastewater recovery valve 19, a hand wheel 20, an ultrasonic generator 21, a movable supporting leg 22, a connecting rod 23, a roller 24, a limiting block 25, a hinged rod 26, a hook 27, a cross rod 28 and a hanging lug 29.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the part wire-cutting recovery device suitable for metal additive manufacturing according to the present invention can be modified based on the existing wire-cutting machine, and comprises a part recovery box 11 disposed below the cutting position of the wire-cutting machine, a recovery basket 12 is disposed in the part recovery box 11, at least the bottom of the recovery basket 12 is provided with water permeable holes, and water permeable holes may also be disposed on the side wall; the bottom of the part recovery box 11 is connected with a working solution box 1 of the wire cutting machine through a working solution return pipe 5, and the working solution return pipe 5 is provided with a working solution return valve 6; the part recycling tank 11 is connected with a cleaning water supply system, a waste water recycling pipe 18 is arranged at the bottom of the part recycling tank 11, a waste water recycling valve 19 is arranged on the waste water recycling pipe 18, and the waste water recycling pipe 18 is connected with a waste water treatment system 17.
Taking the wire cutting shown in fig. 1 as an example, the wire cutting machine comprises a cutting wire 7, a fixed table 8 and a working liquid box 1, wherein the fixed table 8 and the cutting section 71 of the cutting wire 7 are arranged at a cutting position, a working liquid spray head 4 is arranged above the cutting section 71 of the cutting wire 7, the working liquid box 1 is connected with the working liquid spray head 4 through a working liquid supply pipe 2, a working liquid supply pump 3 is arranged on the working liquid supply pipe 2, the fixed table 8 is vertically arranged, the cutting section 71 of the cutting wire 7 is arranged at the front end of the fixed table 8, and a part recovery box 11 of the part wire cutting recovery device is arranged below the cutting section 71 of the cutting wire 7.
When in use, the base plate 9 with the part 10 after the heat treatment is finished is fixed on the fixed table 8;
adjusting the cutting wire 7 or the substrate 9 to keep the cutting wire 7 and the substrate 9 in a parallel state, wherein the distance between the cutting wire 7 and the substrate 9 is about 1-2mm, and the cutting wire is ensured not to contact the part 10 in the cutting process;
starting the working liquid supply pump 3, starting the cutting machine, enabling the working liquid to enter the working liquid spray head 4 through the working liquid supply pipe 2 and spray the working liquid to the cutting section 71 of the cutting wire 7, so that the electric conduction and cooling effects are achieved, and meanwhile, the surface of the part 10 is protected from being oxidized and the cutting can be rapidly carried out in the cutting process;
in the cutting process, the part 10 freely falls into the recovery basket 12 below, the situation that the part 10 flies after falling is prevented by paying attention to the fact that the four sides of the recovery basket need a certain depth, and the working solution backflow valve 6 is in an open state, so that the working solution flowing into the part recovery box 11 flows back into the working solution box 1 from the working solution backflow pipe 5 for recycling;
after the cutting of the part 10 is finished, the cutting machine and the liquid supply of the working liquid are closed, after the working liquid in the part recovery box 11 is drained, the working liquid return valve is closed, and the cutting wire 7 is moved away by adopting an adjusting mechanism such as a hand wheel 20 and the like of the cutting machine. The parts 10 are cleaned by supplying clean water into the parts collection tank 11 through a cleaning water supply system, and after cleaning, the waste water collection valve 19 is opened to discharge waste water into the waste water treatment system 17 through the waste water collection pipe 18 for treatment. The wastewater treatment system 17 generally employs a plant-owned wastewater treatment system 17 for the unified treatment of wastewater.
After the parts 10 are cleaned and drained, the parts 10 can be separated from impurities, and can be conveniently and quickly picked up.
Since part recycling bin 11 will eventually retain some water, the cutting machine preferably uses a water-based wire-electrode cutting fluid. The cleaning water supply system may adopt a clean water system equipped in a factory, and in a preferred embodiment of the present application, the cleaning water supply system includes a clean water tank 13, a clean water supply pipe 14, and a cleaning spray head 16, the cleaning spray head 16 is connected with the clean water tank 13 through the clean water supply pipe 14, a cleaning water supply pump 15 is provided on the clean water supply pipe 14, and the cleaning spray head 16 is provided on the parts recycling bin 11. When the parts 10 are cleaned, the cleaning water supply pump 15 is turned on to pump out clean water from the clean water tank 13, and the clean water is supplied from the clean water supply pipe 14 to the cleaning nozzle 16 to clean the parts 10. In order to conveniently use the cleaning nozzle 16 to perform washing and spraying on the part 10, the clean water supply pipe 14 and the cleaning nozzle 16 are connected by a hose, specifically, a metal hose or a plastic hose may be used.
In order to further improve the cleaning efficiency and the cleaning effect, an ultrasonic generator 21 is provided in the parts recycling bin 11. When the part 10 is cleaned, the waste water recovery valve 19 is closed to enable water in the part recovery box 11 to be not passed through the part 10, the ultrasonic generator 21 is opened, and the part 10 is cleaned by ultrasonic waves. After ultrasonic cleaning, water is drained through a waste water recovery pipe 18, and then washing can be performed through a cleaning nozzle 16.
The working fluid introduced into the recovery basket 12 with the parts 10 is mostly discharged from the water permeable holes formed at the bottom of the recovery basket 12, but since the bottom of the recovery basket 12 is in direct contact with the parts recovery tank 11, relatively much debris and working fluid remain before cleaning, and for this reason, as shown in fig. 2 and 3, in the preferred embodiment of the present application, movable legs 22 are provided at both sides of the recovery basket 12, the movable legs 22 are hinged to the side walls of the recovery basket 12 such that the movable legs 22 can be switched between a vertically supported state in which the bottom ends thereof are lower than the bottom surface of the recovery basket 12 and an inclined retracted state in which the bottom ends of the movable legs 22 are higher than the bottom surface of the recovery basket 12 or flush with the bottom surface of the recovery basket 12. In part 10 cutting process, activity landing leg 22 is in the slope and withdraws the state, retrieves basket 12 bottom surface and part collection box 11 contact, and stable the placing is in part collection box 11, and the back is accomplished in the part 10 cutting, rotates activity landing leg 22 to vertical support state, retrieves basket 12 and is supported, and the working solution that does not in time drain away leaks down from the hole of permeating water of retrieving basket 12 bottom with the piece to subsequent washing is convenient for.
In order to make the movable support legs 22 stably support the recovery basket 12, at least two movable support legs 22 are respectively arranged on each side of the recovery basket 12, the movable support legs 22 on the same side are connected through connecting rods 23, and the connecting rods 23 and the movable support legs 22 are hinged. When one movable supporting leg 22 is rotated, all the movable supporting legs 22 on the same side can be synchronously rotated through the connecting rod 23, so that the state switching is realized.
The parts recycling bin 11 is usually only slightly larger than the recycling basket 12 to save the washing water, therefore, the space between the parts recycling bin 11 and the recycling basket 12 is relatively small, which is inconvenient for the switching operation of the movable supporting leg 22, for this reason, in the preferred embodiment of the present application, the movable supporting leg 22 is hinged with a pushing structure, and the bottom of the movable supporting leg 22 is provided with a roller 24, the top of the pushing structure is provided with a hook 27, the parts recycling bin 11 or the recycling basket 12 is provided with a hanging lug 29, one side of the movable supporting leg 22 departing from the pushing structure is provided with a limiting block 25 for limiting the excessive rotation of the movable supporting leg 22, and under the vertical supporting state of the movable supporting leg 22, the hook 27 corresponds to the hanging lug 29. The pushing and pressing structure can push the movable supporting leg 22, the roller 24 rolls in the part recycling box 11 in the process of supporting the movable supporting leg 22 to reduce friction, the hook 27 of the pushing and pressing structure is hung on the hanging lug 29 after the movable supporting leg 22 is supported, the movable supporting leg 22 cannot slide, meanwhile, the limiting block 25 limits the excessive rotation of the movable supporting leg 22 to prevent the movable supporting leg 22 from sliding from the other side, and therefore the movable supporting leg 22 is kept in a vertical supporting state; the movable leg 22 is switched to the tilt-retracted state by removing the hook 27 and then pushing the structure.
When the pushing structure is arranged, the pushing structure can be arranged on two sides of the recycling basket 12 respectively, the movable supporting legs 22 on two sides are controlled to be supported and retracted respectively, the movable supporting legs 22 on two sides are controlled simultaneously, in the preferred embodiment of the application, the pushing structure further comprises a hinged rod 26 and a cross rod 28, the two ends of the cross rod 28 are connected with the hinged rods 26, the hinged rods 26 at the two ends of the cross rod 28 are hinged with the movable supporting legs 22 on two sides of the recycling basket 12 respectively, and the hook 27 is arranged in the middle of the cross rod 28. The pushing and pushing structure can push the movable support legs 22 at two sides of the recovery basket 12 simultaneously through the cross rod 28 and the hinged rods 26 at two ends of the cross rod, so as to realize synchronous control on the movable support legs 22 at two sides.
Claims (9)
1. The part wire-electrode cutting recovery device suitable for metal additive manufacturing is characterized by comprising a part recovery box (11) arranged below a cutting position of a wire-electrode cutting machine, wherein a recovery basket (12) is arranged in the part recovery box (11), and at least the bottom of the recovery basket (12) is provided with a water permeable hole;
the bottom of the part recovery box (11) is connected with a working liquid box (1) of the wire cutting machine through a working liquid return pipe (5), and the working liquid return pipe (5) is provided with a working liquid return valve (6);
the part recycling bin (11) is connected with a cleaning water supply system, a waste water recycling pipe (18) is arranged at the bottom of the part recycling bin (11), a waste water recycling valve (19) is arranged on the waste water recycling pipe (18), and the waste water recycling pipe (18) is connected with a waste water treatment system (17).
2. The parts wire-electrode cutting recovery device suitable for metal additive manufacturing of claim 1, wherein: the cleaning water supply system comprises a clean water tank (13), a clean water supply pipe (14) and a cleaning spray head (16), wherein the cleaning spray head (16) is connected with the clean water tank (13) through the clean water supply pipe (14), a cleaning water supply pump (15) is arranged on the clean water supply pipe (14), and the cleaning spray head (16) is arranged on the part recovery box (11).
3. The parts wire-electrode cutting recovery device suitable for metal additive manufacturing of claim 2, wherein: the clean water supply pipe (14) and the cleaning spray head (16) are connected through a hose.
4. The parts wire-electrode cutting recovery device suitable for metal additive manufacturing of claim 1, wherein: an ultrasonic generator (21) is arranged in the part recovery box (11).
5. The parts wire-electrode cutting recovery device suitable for metal additive manufacturing of claim 1, wherein: the recycling basket is characterized in that movable support legs (22) are arranged on two sides of the recycling basket (12), the movable support legs (22) are hinged to the side walls of the recycling basket (12), so that the movable support legs (22) can be switched between a vertical supporting state and an inclined recycling state, the bottom ends of the vertical supporting state of the movable support legs (22) are lower than the bottom surface of the recycling basket (12), and the bottom ends of the inclined recycling state of the movable support legs (22) are higher than the bottom surface of the recycling basket (12) or flush with the bottom surface of the recycling basket (12).
6. The parts wire-electrode cutting recovery device suitable for metal additive manufacturing of claim 5, wherein: each side of the recovery basket (12) is provided with at least two movable support legs (22), the movable support legs (22) on the same side are connected through a connecting rod (23), and the connecting rod (23) and the movable support legs (22) are hinged.
7. The parts wire-electrode cutting recovery device suitable for metal additive manufacturing of claim 6, wherein: the movable supporting leg (22) is hinged with a pushing structure, the bottom of the movable supporting leg (22) is provided with a roller (24), the top of the pushing structure is provided with a hook (27), the part recycling box (11) or the recycling basket (12) is provided with a hanging lug (29), and one side of the movable supporting leg (22) departing from the pushing structure is provided with a limiting block (25) for limiting the excessive rotation of the movable supporting leg (22); under the vertical supporting state of the movable supporting leg (22), the hook (27) corresponds to the position of the hanging lug (29).
8. The parts wire-electrode cutting recovery device suitable for metal additive manufacturing of claim 7, wherein: the pushing and pressing structure further comprises hinged rods (26) and a cross rod (28), the two ends of the cross rod (28) are connected with the hinged rods (26), the hinged rods (26) at the two ends of the cross rod (28) are hinged with movable supporting legs (22) on the two sides of the recycling basket (12) respectively, and the hook (27) is arranged in the middle of the cross rod (28).
9. Wire cut electrical discharge machining, including cutting filament (7), fixed station (8) and working solution case (1), cutting section (71) of fixed station (8) and cutting filament (7) sets up in the cutting position, cutting section (71) top of cutting filament (7) is provided with working solution shower nozzle (4), working solution case (1) is connected with working solution shower nozzle (4) through working solution feed pipe (2), be provided with working solution feed pump (3) on working solution feed pipe (2), its characterized in that, including any one of claims 1-8 part wire-electrode cutting recovery unit, the vertical setting of fixed station (8), cutting section (71) of cutting filament (7) set up in the front end of fixed station (8), part collection box (11) set up in cutting section (71) below of cutting filament (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220220551.9U CN216912397U (en) | 2022-01-26 | 2022-01-26 | Part wire-electrode cutting recovery unit and cutting machine suitable for metal vibration material disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220220551.9U CN216912397U (en) | 2022-01-26 | 2022-01-26 | Part wire-electrode cutting recovery unit and cutting machine suitable for metal vibration material disk |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216912397U true CN216912397U (en) | 2022-07-08 |
Family
ID=82265389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220220551.9U Active CN216912397U (en) | 2022-01-26 | 2022-01-26 | Part wire-electrode cutting recovery unit and cutting machine suitable for metal vibration material disk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216912397U (en) |
-
2022
- 2022-01-26 CN CN202220220551.9U patent/CN216912397U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207291442U (en) | A kind of adjustable type engraving machine with cleaning and fixed function | |
| CN201644436U (en) | Ultrasonic cleaning machine | |
| CN211099717U (en) | Spray booth is used in auto-parts processing | |
| CN210701363U (en) | Deoiling device for hardware production and processing | |
| CN216912397U (en) | Part wire-electrode cutting recovery unit and cutting machine suitable for metal vibration material disk | |
| CN114289415A (en) | Cleaning device for energy-saving and environment-friendly pipeline production and using method thereof | |
| CN210731281U (en) | Cleaning device for wire cut electric discharge machine | |
| CN215318860U (en) | Guillootine is used in membrane switch production with self-cleaning function | |
| CN216463685U (en) | Metal product polishing and dust removing device | |
| CN210647402U (en) | Mould belt cleaning device with sewage recovery function | |
| CN211914752U (en) | Automatic cleaning equipment | |
| CN210230369U (en) | Hardware spraying device | |
| CN217435383U (en) | Engraving tool for wood carving | |
| CN212527121U (en) | Deburring device for oil cylinder support machining | |
| CN221014737U (en) | Pretreatment device for landfill leachate treatment | |
| CN220006298U (en) | Antifouling numerical control wire cut electrical discharge machining bed | |
| CN220804620U (en) | Multi-angle efficient cleaning equipment | |
| CN213613593U (en) | Sensor support processingequipment | |
| CN220734332U (en) | Quick cleaning equipment of fruit vegetables processing | |
| CN220426109U (en) | Surface cleaner for metal product processing | |
| CN218223748U (en) | Electric blank drawing machine | |
| CN214079823U (en) | Laser cutting workstation convenient to clearance | |
| CN212598910U (en) | Lathe feed mechanism | |
| CN220348066U (en) | Wear-resisting pretreatment equipment for surface of metal product | |
| CN110624866A (en) | A belt cleaning device for new material processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |