WO2024051449A1 - Système de décapage - Google Patents

Système de décapage Download PDF

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Publication number
WO2024051449A1
WO2024051449A1 PCT/CN2023/112946 CN2023112946W WO2024051449A1 WO 2024051449 A1 WO2024051449 A1 WO 2024051449A1 CN 2023112946 W CN2023112946 W CN 2023112946W WO 2024051449 A1 WO2024051449 A1 WO 2024051449A1
Authority
WO
WIPO (PCT)
Prior art keywords
deplating
stripping
workpiece
chromium
component
Prior art date
Application number
PCT/CN2023/112946
Other languages
English (en)
Chinese (zh)
Inventor
高峰
于成泽
高鹏举
李建华
Original Assignee
启迪未来(天津)国际企业管理合伙企业(有限合伙)
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 启迪未来(天津)国际企业管理合伙企业(有限合伙) filed Critical 启迪未来(天津)国际企业管理合伙企业(有限合伙)
Publication of WO2024051449A1 publication Critical patent/WO2024051449A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
    • B08B7/0042—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by laser
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/02—Belt- or chain-engaging elements
    • B65G23/04—Drums, rollers, or wheels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B65G23/24—Gearing between driving motor and belt- or chain-engaging elements

Definitions

  • the invention relates to a deplating system and belongs to the technical field of workpiece cleaning.
  • Zinc-aluminum die-casting is a kind of die-casting part with zinc as the main component.
  • the surface of this part has a very dense surface layer, and the inside is a loose porous structure and an active amphoteric metal. Therefore, only by adopting appropriate pre-treatment methods and electroplating processes can the electroplated layer on the zinc alloy have good adhesion and meet the requirements of qualified products. However, blistering and pitting are very easy to occur after electroplating, especially if the preliminary treatment is incomplete, which is more serious, so chromium removal treatment is required.
  • Electrochromic materials and devices are the most energy-saving, environmentally friendly, ultraviolet, infrared, and thermal conductivity resistant new nanomaterials discovered so far. They are called “black gold” and are the “king of new materials.”
  • the products are mainly used in 3C consumer electronics such as mobile phones, automobile interior and exterior rearview mirrors, sunshade filters, aircraft portholes, smart windows and curtain wall glass, etc. Can effectively prevent glare, ensure safety and prevent Light pollution protects eyes, is green and environmentally friendly, and plays the role of heat insulation and energy saving.
  • the production and application technology of electrochromic materials and devices is the strategic commanding heights of the world's high-tech development, and its industrialization development has attracted worldwide attention.
  • the intelligent anti-glare rearview mirror system is regarded around the world as a spectacular and unique high-end product in the new century.
  • chromium removal methods There are two traditional chromium removal methods: chemical and electrochemical.
  • chemical method is the hydrochloric acid chromium removal method
  • electrochemical method uses sodium hydroxide and sodium carbonate as the electrolyte to perform chromium removal treatment.
  • Stripping is an inevitable part of the electroplating field.
  • the plating solution is composed of sulfuric acid, nitric acid and water. It reacts violently and is easy to cause damage to the human body, especially the eyes. The smell can also cause damage to the nasal mucosa. It is a hazardous operation stipulated by the state, so it has certain risks and Occupational diseases.
  • Electrochemical deplating usually has the following problems: 1. Due to the conductivity of the deplating pool, there are certain safety hazards and the process is complex and has a certain technical content; 2. The process requires a lot of chemicals, high costs, potential dangers, and pollution to the environment; 3. The need for Deplating pools, etc., require a large area and have a harsh working environment; 4. They require heating and cooling, which consumes a lot of energy and require many spare parts; 5. Chemicals are extremely corrosive, and the required containers have safety hazards and are expensive. Requires constant maintenance to avoid corrosion and leakage; 6. Work There are many procedures, a lot of labor is required, the labor intensity is high (parts need to be hung on the hanger manually), and the work efficiency is low; 7.
  • the liquid is composed of sulfuric acid, nitric acid and water. It reacts violently and is easy to cause damage to the human body due to splashing, especially the eyes. The smell can also cause damage to the nasal mucosa. It is a hazardous operation stipulated by the state, so it has certain risks and occupational diseases. .
  • the purpose of the present invention is to provide a deplating system that is energy-saving and environmentally friendly, eliminates secondary pollution, and has no corrosion or wear on parts.
  • the present invention provides a deplating system, which includes: a deplating station configured to perform detection and protection work, including a support frame, a protection component disposed at the extended top of the support frame, and a deplating unit housed therein.
  • a detection component in the protection component a transmission device configured to perform the transmission work of the workpiece, connected to the support frame, and located below the protection component and the detection component; a chromium removal device configured to perform The deplating work of the workpiece is connected to the support frame and located between the protection component and the transfer component.
  • the chroming device at least includes a laser deplating component for performing the deplating work of the workpiece.
  • the secondary deplating device is configured to perform the secondary deplating work of the workpiece. It is arranged at the extended end of the conveyor device and is located below the protective component to cooperate with the cleaning device of the chromium deplating device. The final workpiece is inspected to drive the clean workpiece back to the cleaning position for cleaning or scrapping according to the cleaning situation.
  • the chrome removal device further includes a guide rail assembly connected to the support frame and a pickup assembly slidably connected to the guide rail assembly, and the pickup assembly is misaligned with the laser chrome removal assembly. Disposed on the guide rail assembly, the pickup assembly can pick up the workpiece, and complete the deplating process on the workpiece through the laser chromium removal assembly.
  • the laser chrome removal assembly includes a device connected to the guide rail The laser component and the air knife component on the assembly are arranged in an offset position up and down to protect the laser component through the air knife component.
  • the guide rail assembly includes a guide rail bracket connected to the support frame, a first connecting member and a second connecting member slidingly connected to the guide rail bracket, the first connecting member is For connecting the pickup component, the second connecting member is used for connecting the laser chrome removal component.
  • the protection assembly includes a protective cover buckled on the top of the support frame, and light-shielding members arranged on both sides extending in the length direction of the support frame.
  • the detection component includes a dust removal flue arranged in the protective cover and a monitoring device disposed offset from the dust removal flue.
  • the transmission device includes a load-bearing installation plate connected to the support frame, a plurality of transmission rollers rotatably connected between the load-bearing installation plates, and a transmission roller that can be driven by a plurality of the transmission rollers.
  • the secondary stripping device includes a secondary stripping platform docked with the conveying device and a secondary stripping conveying device provided corresponding to the secondary stripping platform, and the two The secondary stripping conveyor is connected within the protective component.
  • the secondary deplating transfer device includes a transfer assembly provided on the support frame and a suction device slidably connected to the transfer assembly.
  • the suction device is used to clean all cleaned parts.
  • the workpiece is sucked and lifted to detect and identify the cleaning status of the workpiece through the detection component.
  • the chromium stripping device further includes a control device for controlling the stripping station, the conveyor device, the chromium stripping device and the secondary stripping device.
  • the deplating system of the present invention is capable of deplating and removing chromium from electroplated workpieces by arranging a deplating station, a conveyor device, a chromium deplating device and a secondary deplating device, thereby realizing the cleaning of the workpieces.
  • Multi-angle cleaning further, by using low-carbon and environmentally friendly laser as the cleaning source,
  • the frequency of laser cleaning can be adjusted conveniently and quickly, which effectively improves the application scope of the deplating system, realizes localized and precise chromium removal of workpieces, and can adapt to the requirements of light finishing processing of different materials and precision parts, which greatly This greatly reduces the technical requirements for employees; at the same time, by integrating multiple devices into one, the deplating system has simple equipment, a small footprint, and no safety hazards, which is conducive to realizing diversified and modular processing of workpiece deplating. .
  • Figure 1 is a three-dimensional schematic diagram of the deplating system of the present invention.
  • FIG. 2 is a schematic structural diagram of the stripping station in Figure 1.
  • Fig. 3 is a schematic structural diagram of the conveying device in Fig. 1.
  • Figure 4 is a schematic structural diagram of the chromium removal device in Figure 1.
  • Figure 5 is a schematic structural diagram of the secondary stripping device in Figure 1.
  • FIGS. 1 to 5 is a deplating system 100 provided by the present invention.
  • the deplating system 100 is used to perform deplating treatment on the electroplated workpiece to achieve precise chromium deplating of the entire or partial surface of the workpiece. , reduce the deplating cost of workpieces and reduce energy consumption.
  • the stripping system 100 includes a stripping station 1, a conveyor 2, a chromium stripping device 3 and a secondary stripping station.
  • the deplating station 1 is configured to perform detection and protection work, and includes a support frame 11 , a protection component 12 disposed at the extended top of the support frame 11 , and a detection component 13 housed in the protection component 12 .
  • the support frame 11 is made of metal or other hard structural frames spliced together to form a frame structure support device for other components and devices, and the bottom of the support frame 11 is connected with a leveling foot 111 to facilitate the leveling of the support frame 11 Make adjustments.
  • the projection of the support frame 11 on the horizontal plane is arranged in an L shape to facilitate the installation of the chromium stripping device 3 and the secondary stripping device 4 in separate zones, thereby realizing the entire process of chromium stripping of the workpiece.
  • the protection component 12 includes a protective cover 121 buckled on the top of the support frame 11 and light-shielding members 122 provided on both sides extending in the length direction of the support frame 121 .
  • the protective cover 121 is also arranged in an L shape, and in this embodiment, the protective cover 121 is made of an opaque material, such as metal, to remove plating and deplating of the workpiece. Isolate light pollution or working light generated in chromium to prevent damage to human eyes.
  • the light-shielding member 122 is used to further isolate the light pollution or working light generated during the deplating and chromium removal of the workpiece.
  • the light-shielding member 122 extends from the edge of the protective cover 121 along the vertical direction of the support frame 11 It is extended downward to cover the working areas of the chromium stripping device 3 and the secondary stripping device 4.
  • the light-shielding member 122 is light-shielding protective glass.
  • the light-shielding member 122 can also directly cover the entire length of the support frame 11 to further enhance the protection effect of the light-shielding member 122 .
  • the detection component 13 is used to detect the smoke and cleaning effect during the working process of the chromium removal device 3 and the secondary deplating device 4; the detection component 13 includes a dust removal flue 131 arranged in the protective cover 121 and is offset from the dust removal flue 131 monitoring device 132.
  • the dust removal flue 131 is provided on the side bracket of the support frame 121, and has a dust removal port located inside the light-shielding member 122, and the dust removal port is located between the protective cover 121 and the chrome stripping device 3. In the same deplating system 100, it is provided at the same time There are multiple dust removal flues 131 , and the dust removal flues 131 are vacuum dust removal flues 131 connected to a vacuum cleaner device.
  • the protection device 12 also includes a baffle 123 provided at the end and/or tail of the support frame 11 to protect the entry and/or exit locations of the deplating system 100 from the workpiece and prevent structural installations provided at both ends of the support frame 11 from Cause harm to personnel.
  • the monitoring device 132 is used to detect the moving position, cleaning area and cleaning condition of the workpiece in the deplating system 100 .
  • multiple monitoring devices 132 are provided at the same time, and the multiple monitoring devices 132 are arranged at equal intervals along the extension direction of the support frame 11 .
  • the protective cover 121 has A moving component may also be provided for driving the monitoring device 132 to move, so that the workpiece in the deplating system 100 can be tracked and detected in real time through the monitoring device 132 .
  • the monitoring device 132 at least includes a monitoring detection camera and a laser sensor switch to identify the time when the workpiece enters the chromium removal device 3 and mark the chromium layer on the surface of the workpiece, and then remove the chromium on the surface of the workpiece through the chromium removal device 3 Clean, and detect the cleanliness of the workpiece after the chromium removal process to determine whether the workpiece has been cleaned or to undergo secondary cleaning or scrapping.
  • a monitoring detection camera and a laser sensor switch to identify the time when the workpiece enters the chromium removal device 3 and mark the chromium layer on the surface of the workpiece, and then remove the chromium on the surface of the workpiece through the chromium removal device 3 Clean, and detect the cleanliness of the workpiece after the chromium removal process to determine whether the workpiece has been cleaned or to undergo secondary cleaning or scrapping.
  • the transfer device 2 is configured to perform transfer work of workpieces.
  • the transmission device 2 is connected to the support frame 11 and is located below the protection component 12 and the detection component 13 .
  • the conveying device 2 includes a carrying mounting plate 21 , a driving roller 22 , a timing belt 23 and a driving device 24 .
  • the load-bearing mounting plate 21 is connected to the support frame 11 and located below the light-shielding member 122 .
  • the transmission rollers 22 are rotatably connected between the load-bearing mounting plates 21.
  • multiple transmission rollers 22 are provided at the same time, and the plurality of transmission rollers are arranged in parallel and at equal intervals to ensure the stability of the transmission of the transmission rollers 22.
  • the timing belt 23 covers the outer peripheral edge of the transmission roller 22 and can rotate under the driving of the plurality of transmission rollers 22 to drive the workpiece placed on the timing belt 23 to move.
  • the driving device 24 is fixed on the load-bearing mounting plate 21 and includes a reducer 241, a motor 242 drivingly connected to the reducer 241, and a coupling 243 for drivingly connecting the reducer 241 and the motor 242; specifically, the motor 242 passes through a coupling
  • the reducer 243 and the reducer 241 are drivingly connected to the transmission rollers 22 to drive each transmission roller 22 to rotate at the same rotation speed.
  • the reducer 241 is a WPWK series 135 worm gear reducer
  • the motor 242 is a Y112M three-phase asynchronous motor
  • the coupling 243 is a GYS type centered tenon flange coupling.
  • the reducer 241, the motor 242 and the coupling 243 can also be of other types.
  • the reducer 241, the motor 242 and the coupling of the present invention The selection of 243 is only illustrative and should not be limited to this.
  • the chromium removal device 3 is configured to perform the chromium removal work of the workpiece.
  • the chrome removal device 3 is connected to the support frame 11 and is located between the protection component 12 and the transmission component 2. It includes a guide rail component 31 connected to the support frame 11 and a sliding connection.
  • the pickup component 32 on the guide rail component 31 and the laser chrome removal component 33 are provided in cooperation with the pickup component 32 .
  • the guide rail assembly 31 includes a guide rail bracket 311 connected to the inside of the top of the support frame 11, a slide bracket 312 slidingly connected to the inside of the guide rail bracket 311, and a first connecting member 313 and a second connecting member provided on the slide bracket 312. 314 and a position adjustment cylinder 315 for adjusting the relative position between the first connection member 313 and the second connection member 314.
  • the first connecting member 313 is used to connect the pickup assembly 32, including a cylinder connection seat (not numbered) provided on the slide bracket 312, a first cylinder 3131 provided on the cylinder connection seat, and a first connection member 313 for locking the connection pickup assembly. 32 and the locking member (not numbered) of the first cylinder 3131.
  • the first cylinder 3132 can drive the pickup assembly 32 to move up and down to facilitate picking up the workpiece, and adjust the relative position between the workpiece and the laser chromium removal assembly 33 to facilitate the laser chromium removal assembly 33 to remove chromium and clean the workpiece.
  • the second connecting member 314 is used to connect the laser chrome removal assembly 33, and includes a cylinder installation box (not numbered) provided on the slide bracket 312, a second cylinder 3141 provided on the cylinder installation box, and is used to connect the second cylinder 3141 and the installation bracket 3142 of the laser chromium removal assembly 33 to further facilitate the adjustment of the working position of the laser chromium removal assembly 33 and ensure the comprehensiveness and integrity of the workpiece cleaning by the laser chrome removal assembly 33.
  • the position adjustment cylinder 315 is used for locking.
  • the position adjustment cylinder 315 is used for further adjusting the relative position between the first connection member 313 and the second connection member 314 to facilitate the laser chrome removal assembly 33 to remove the workpiece picked up on the pick-up assembly 32. Chrome Cleaner.
  • the guide rail bracket 311 is an SGR20 dual-axis guide rail assembly
  • the slide bracket 312 is an MXW25-300 precision pneumatic slide assembly
  • the first cylinder 3132 is an MGTM63 cylinder with a swing table
  • the second cylinder 3142 is MGPM100M cylinder with guide rod
  • the adjusting cylinder 315 is an MGZF40 times force cylinder.
  • the pickup component 32 is used to pick up the workpieces placed on the conveyor 2.
  • the pickup component 32 is a vacuum pickup component.
  • the pickup component 32 is a ZHP63BMNA longitudinal vacuum extraction type pickup device, and the pickup component 32 is
  • the vacuum suction cup is configured to be swingable, so that the suction position of the vacuum suction cup used by the pick-up assembly 32 to pick up the workpiece is adjustable.
  • the laser chrome removal assembly 33 includes a laser member 331 connected to the second connecting member 314 and an air knife member 332.
  • the laser member 331 is connected to the mounting bracket 3142.
  • the air knife member 332 is arranged below the laser member 331 to perform the laser member 331.
  • the laser component 331 is a PX-2 laser head.
  • the secondary deplating device 4 is configured to perform the secondary deplating work of the workpiece. It is arranged at the extended end of the conveyor 2 and is located below the protection component 12 to cooperate with the chromium deplating device 3 to detect the cleaned workpiece. And according to the cleaning situation, the workpiece is driven back to the position of the chrome stripping device 3 for cleaning again or scrapping or directly discharging.
  • the secondary stripping device 4 includes a secondary stripping platform 41 docked with the conveying device 2 and a secondary stripping conveying device 42 arranged corresponding to the secondary stripping platform 41, and the secondary stripping conveying device 42 is connected to the protection component Within 12.
  • the secondary stripping platform 41 has substantially the same structure as the conveyor 2, and the workpiece can run forward/reversely driven by the secondary stripping platform 41. Therefore, in the following description, the workpiece will be The structure of the secondary stripping platform 41 will not be described in detail.
  • the secondary deplating conveyor 42 includes a conveyor assembly 421 provided on the support frame 11 and a suction device 422 slidably connected to the conveyor assembly 421 .
  • the transmission assembly 421 includes a linear guide rail 4211 provided inside the upper end of the support frame 11, a guide rail assembly 4212 provided corresponding to the linear guide rail 4211, a slide assembly 4213 slidably connected between the linear guide rail 4211 and the guide rail assembly 4212, and a sliding table assembly 4213 connected to the linear guide rail 4211.
  • the cylinder base (not numbered) on the guide rail assembly 4212 and the swing table cylinder 4214 connected to the cylinder base.
  • the suction device 422 is used to suck and lift the cleaned workpiece, so as to detect and identify the cleaning status of the workpiece through the detection component 43 .
  • the straight line Guide rail 4211 is GBX heavy-duty ball screw linear guide assembly
  • guide rail assembly 4212 is MXW25-300 precision pneumatic slide assembly
  • swing table cylinder 4214 is MGTM63 with swing table cylinder
  • suction device 422 is ZHP63BMNA longitudinal vacuum extraction type vacuum suction cup device, and the suction cup part of the vacuum suction cup device can be swing set.
  • the chromium stripping device 100 also includes a control device (not shown) for controlling the stripping station 1, the conveyor 2, the chrome stripping device 3 and the secondary stripping device 4. Since most control devices have a conventional structure, the structure and description of the control device will not be described in the present invention.
  • the control device controls the conveyor 2 to open, and the laser sensor in the monitoring device 132
  • the switch detects that the workpiece enters the chrome stripping device 3 and transmits the information to the position adjustment cylinder 315 to push the first connecting member 313 to drive the pickup device 32 to reach directly above the workpiece.
  • the first cylinder 3132 extends and sucks up the workpiece.
  • the position adjustment cylinder 315 pulls the first connecting member 313 back to the position of the laser chrome removal assembly 33.
  • the detection component 11 detects the position and condition of the workpiece and controls the laser chrome removal assembly 33 to adjust the angle through the control device to ensure that the length direction of the workpiece is consistent with the transmission device.
  • the extending planes of 2 are parallel and located between the protection component 12 and the conveyor 2 .
  • the laser chromium removal component 33 and dust removal flue 131 in the chromium removal device 3 are started, and the second cylinder 3142 drives the laser chromium removal component 33 to lower to a suitable height to start removing the chromium plating in the middle of the workpiece.
  • the second cylinder 3142 drives the laser chromium removal component 33 to retract; the pickup device 31 puts the workpiece back on the conveyor 2 and continues to move forward.
  • the detection component 11 detects the light transmittance of the workpiece/ The reflectivity is detected to check whether the cleaning condition is qualified or not, and the feedback is fed back to the control device, and the material is discharged through the secondary deplating device 4.
  • the deplating system 100 of the present invention can perform deplating and chromium removal cleaning on the electroplated workpiece by setting up the deplating station 1, the conveyor device 2, the chromium deplating device 3 and the secondary deplating device 4, thereby realizing Now the workpiece is cleaned from multiple angles. Furthermore, by using low-carbon and environmentally friendly laser as the cleaning source, the frequency of laser cleaning can be adjusted conveniently and quickly, which effectively improves the application scope of the deplating system and realizes the cleaning of the workpiece.
  • Partial and precise chromium removal can adapt to the requirements of finishing processing of different materials and precision parts, greatly reducing the technical requirements for employees; at the same time, by integrating multiple devices into one, the deplating system 100 is simple to install , small footprint, no safety hazards, and conducive to realizing diversified and modular processing of workpiece deplating.

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laser Beam Processing (AREA)
  • Cleaning In General (AREA)

Abstract

La présente invention concerne un système de décapage. Dans le système de décapage, une station de décapage, un dispositif de transport, un dispositif d'élimination de chrome et un dispositif de décapage secondaire sont prévus pour effectuer un décapage et un nettoyage d'élimination de chrome sur une pièce à travailler électroplaquée, ce qui permet de réaliser un nettoyage à angles multiples de la pièce à travailler. En outre, un laser à faible teneur en carbone et respectueux de l'environnement est utilisé en tant que source de nettoyage, de telle sorte que la fréquence de nettoyage laser et similaire peut être ajustée de manière pratique et rapide, la plage d'application du système de décapage est efficacement élargie, et le retrait de chrome local et précis de la pièce à travailler est réalisé, le système de décapage peut s'adapter à des exigences de traitement de finition de parties ayant des matériaux et une précision différents, et les exigences techniques pour des travailleurs sont considérablement réduites ; de plus, les multiples dispositifs sont intégrés, de telle sorte que le système de décapage est simplifié, occupe une petite zone, et n'a pas de risque de sécurité potentiel, et un traitement diversifié et modulaire de décapage de pièce est facilité.
PCT/CN2023/112946 2022-09-05 2023-08-14 Système de décapage WO2024051449A1 (fr)

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CN202211075847.7A CN115401031B (zh) 2022-09-05 2022-09-05 退镀系统
CN202211075847.7 2022-09-05

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