Melamine copper-clad tin-plated insulating arc-resistant bridging strip production system and method

Abstract

The invention relates to the field of bridge strip production, in particular to a melamine copper-clad tin-plated insulating arc-resistant bridge strip production system and a melamine copper-clad tin-plated insulating arc-resistant bridge strip production method. The isolation mechanism is arranged above the plating solution pool and isolates the plating solution pool from external oxygen; the pretreatment mechanism is arranged in the isolation mechanism and is used for transferring the bridging strip and coating the bridging strip with a plating assistant agent; the plating solution mechanism is arranged above the plating solution pool and is used for tinning the bridging strip, the plating solution mechanism comprises a fixing assembly for fixing the bridging strip and a separating assembly below the fixing assembly, and tinning on the surface of a metal terminal on the bridging strip is realized through the separating assembly after the bridging strip is fixed by the fixing assembly; and the centrifugal mechanism is arranged on the plating solution pool and used for centrifuging the bridging strip completing tin solution attachment, and the centrifugal mechanism comprises a partition assembly used for blocking all the terminals and a tin remaining assembly arranged in the middle of the partition assembly.

Description

Technical Field

[0001] The present invention relates to the field of bridge bar production, and in particular to a system and method for producing melamine copper-clad tin-plated insulated arc-resistant bridge bars. Background Art

[0002] A bridge strip (or jumper bar) is a component used for electrical connection or mechanical fastening, commonly found in circuit boards, power distribution systems, or structural assemblies. In the electronics field, it typically refers to a configurable conductive strip (such as a jumper cap or shorting block) on a circuit board, which physically connects different contacts to adjust circuit functionality or signal paths. In power systems, it may be a metal strip used to connect multiple terminals in parallel. In mechanical scenarios, it may be a metal or plastic strip used to reinforce or bridge structures to enhance stability or transfer loads. Its core function is to provide flexible and adjustable connection solutions, simplifying device configuration or assembly processes.

[0003] The bridge strips are tin-plated to prevent surface oxidation and improve electrical conductivity.

[0004] However, in actual use, based on a bridge bar whose metal terminal is composed of two metal sheets stacked together, quality problems of the coating often occur inside the metal sheets during the tinning process, affecting the performance of the bridge bar. Summary of the Invention

[0005] The purpose of the present invention is to address the shortcomings of the existing technology. By setting a pretreatment mechanism and a plating solution mechanism, a plating agent is coated on the surface of the metal sheet, and by opening the metal sheet, the base of the metal sheet can be fully adhered to the plating solution. Then, a centrifugal mechanism is used to complete the uniform adhesion of the inner plating layer while reducing the loss of plating solution in the middle of the metal sheet, thereby solving the technical problem that voids are easily formed in the middle of the metal sheet, which affects the quality of the plating layer.

[0006] In response to the above technical problems, the technical solutions adopted are as follows: A melamine-clad copper-tinned insulated arc-resistant bridge strip production system, comprising: plating bath; An isolation mechanism is provided above the plating bath and isolates the plating bath from external oxygen; A pretreatment mechanism, which is disposed inside the isolation mechanism and is used to transport the bridging strips and apply a plating flux; A plating mechanism is provided above the plating tank and is used to tin the bridge bar, comprising a fixing assembly for fixing the bridge bar and a separating assembly provided below the fixing assembly. After the fixing assembly fixes the bridge bar, the separating assembly is used to tin the surface of the metal terminal on the bridge bar; The centrifugal mechanism is arranged on the plating bath and is used to centrifuge the bridge strips that have completed the attachment of the tin liquid. The centrifugal mechanism includes a barrier component for blocking each terminal and a tin retention component arranged in the middle of the barrier component.

[0007] Preferably, the isolation mechanism includes an isolation layer arranged above the plating solution pool, a conveyor belt arranged outside the isolation layer, a wedge-shaped groove arranged on one side of the conveyor belt, an isolation cavity arranged above the conveyor belt and located within the isolation layer, two sets of inlets and outlets are arranged on the isolation cavity, and sealing doors are slidably connected to one side of the inlet and outlet.

[0008] Preferably, the pretreatment mechanism includes a moving component for moving the bridging bar and a pretreatment component arranged in the isolation layer, the moving component includes a slide, multiple sets of slides slidably connected in the slide, and a clamping part arranged at the lower part of the slide, the clamping part includes a clamping claw connected to the slide for rotation and vertical sliding, a swing arm arranged on both sides of the clamping claw, and a vacuum suction cup arranged at the lower end of the swing arm.

[0009] Preferably, the pretreatment component includes a cleaning pool arranged in the isolation layer, a coating pool arranged behind the cleaning pool, two groups of cleaning brushes arranged in the cleaning pool, multiple groups of fan blades arranged at the bottom of the coating pool, and a nozzle arranged in the middle of each fan blade and spraying upward.

[0010] Preferably, the separation component includes a scraping member arranged above the plating tank to scrape off the oxide and a separating member to separate the tin liquid. The scraping member includes a scraper arranged on the surface of the plating liquid in the plating tank and sliding horizontally, and a collecting basket arranged on one side of the scraper.

[0011] Preferably, the separator includes an isolation basket arranged above the scraper and sliding vertically on the side wall of the isolation layer, a liquid storage tank arranged at the bottom of the isolation frame, and a liquid leakage plate hinged to the bottom of the liquid storage tank.

[0012] Preferably, the fixing assembly includes a fixing frame vertically slidably connected to the side wall of the isolation layer, fixing clips arranged on both sides of the fixing frame, and a card rotatably connected to the fixing frame.

[0013] Preferably, the barrier assembly includes a filter basket arranged on the other side of the isolation basket and vertically slidably connected to the side wall of the isolation layer, a connecting ring rotatably connected to the inside of the filter frame, a contact block sliding horizontally on the connecting ring, and multiple sets of baffles arranged in the middle of the connecting ring.

[0014] Preferably, the tin retention component is arranged in the middle of each baffle, including a jet column located on both sides of the metal terminal, multiple groups of jet heads arranged vertically on the jet column, a movable column arranged on the outside of each terminal with the center line of the connecting ring, and multiple groups of jet heads arranged vertically on the movable column.

[0015] As another preferred embodiment, the method for producing a melamine copper-clad tin-plated insulated arc-resistant bridge strip is applied to the system for producing a melamine copper-clad tin-plated insulated arc-resistant bridge strip, comprising the following steps: Step 1: Isolation step: The bridging strip is transported into the device via a conveyor belt. The lower opening of the isolation chamber is opened, the clamping claws clamp the bridging strip and enter the isolation chamber. The opening of the isolation chamber is closed and vacuum is applied. Then, the side wall opening of the isolation chamber is opened and the bridging strip is moved into the isolation layer for processing. Step 2: Coating step: the slide moves the bridge strip into the cleaning tank, and the vacuum suction cup on the swing arm cleans the inside and outside of the metal sheet, and the plating flux is applied to the surface of the metal sheet in the coating tank; Step 3: Plating step: the slide moves the bridge bar to the top of the plating bath. At this time, the scraper moves to scrape the tin oxide under the isolation basket into the collection basket. The isolation basket then moves downward, allowing the tin liquid to enter the isolation basket and fill the reservoir at the same time. At the same time, the clamping claws clamp the bridge bar and move it downward, so that the card is stuck between the two metal sheets, thereby creating a gap between the metal sheets. The bridge bar follows the fixed frame and moves downward to plate the metal sheet of the bridge bar. After the tin liquid adheres, the card rotates and separates from the metal sheet, completing the tin liquid adhesion. Step 4, the centrifugal step, moves the bridge bar to the connecting ring so that the terminal is located in the middle of each baffle. The supporting part drives the connecting ring to rotate together. At the same time, the jet column and the moving column spray air toward the metal terminal, and the centrifugal auxiliary coating is uniformly formed.

[0016] Beneficial effects of the present invention: (1) The present invention provides a plating mechanism to separate the metal sheet to both sides during plating, so that the plating solution can fully adhere to the surface of the metal sheet. At the same time, in order to solve the problem that the tin liquid is difficult to enter the root of the metal sheet, the vibration of the metal sheet is used to make the tin liquid enter the root of the metal sheet by using the extrusion force, thereby reducing the occurrence of hollowing. In addition, the provision of a liquid storage tank can fully adhere to the metal terminals of the bridge strip, preventing the situation where the tin terminal cannot be attached. (2) The present invention provides an isolation mechanism and a plating solution mechanism. On the one hand, the ingress of oxygen into the isolation layer is reduced, thereby preventing the oxidation of the tin solution and the appearance of a large amount of oxides. On the other hand, by scraping and separating the oxides on the surface of the tin plating solution, the oxides are prevented from adhering to the surface of the metal terminal during the plating process. Through these two steps, the influence of the oxides on the plating layer is reduced, the plating quality is improved, and at the same time, heat loss is reduced, thereby reducing energy consumption. (3) In the present invention, a pre-treatment mechanism is used to complete the circulation of the bridge strip in the device by using a slideway, and surface treatment, coating and centrifugation processes are performed. The pre-treatment of the bridge strip improves the surface cleanliness of the bridge strip on the one hand, and the plating agent is applied to the surface of the bridge strip in advance and the metal sheet is wetted by the plating agent, thereby improving the efficiency of the tin liquid adhesion, so that the tin liquid can adhere to the surface of the bridge strip, especially the root of the bridge strip, more quickly. In summary, the equipment has the advantages of high production efficiency, stable coating quality and low energy consumption, and is particularly suitable for the field of bridge strip production technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a structural schematic diagram of a melamine-clad copper-tinned insulated arc-resistant bridging strip production system.

[0019] Figure 2 This is a schematic diagram of the internal structure of a melamine-clad copper-tinned insulated arc-resistant bridging strip production system.

[0020] Figure 3 Schematic diagram of the relevant structure of the isolation layer.

[0021] Figure 4 Schematic diagram of the structure of the mobile component.

[0022] Figure 5 Schematic diagram of the relevant structure of the isolation cavity.

[0023] Figure 6 Schematic diagram of the relevant structure of the cleaning pool.

[0024] Figure 7 Schematic diagram of the structure of the plating solution mechanism.

[0025] Figure 8 Schematic diagram of the positional relationship of the plating solution mechanism.

[0026] Figure 9 It is a structural diagram of the centrifugal mechanism.

[0027] Figure 10 Schematic diagram of the working status of the plating solution mechanism.

[0028] Figure 11 A schematic flow chart of a method for producing a melamine-clad copper-tinned insulated arc-resistant bridging strip for receiving components. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings.

[0030] Example 1 like Figure 1 、 Figure 2 、 Figure 3 As shown, a melamine copper-clad tin-plated insulated arc-resistant bridge strip production system includes: plating bath 0; An isolation mechanism 1 is provided above the plating bath 0 and isolates the plating bath 0 from external oxygen; A pretreatment mechanism 2, which is disposed inside the isolation mechanism 1 and is used to transport the bridging bars and apply a plating flux; The plating mechanism 3 is arranged above the plating tank 0 and is used to tin the bridge bar, including a fixing component 31 for fixing the bridge bar and a separating component 32 arranged below the fixing component 31. After the fixing component 31 fixes the bridge bar, the separating component 32 is used to tin the surface of the metal terminal on the bridge bar; The centrifugal mechanism 4 is arranged on the plating bath 0 and is used to centrifuge the bridge strips that have completed the attachment of the tin liquid. The centrifugal mechanism 4 includes a barrier component 41 for blocking each terminal and a tin retention component 42 arranged in the middle of the barrier component 41.

[0031] In this embodiment, tinning of the metal terminals on the bridge bar is achieved by setting an isolation mechanism 1, a plating liquid mechanism 3 and a centrifugal mechanism 4. For the bridge bar, there is a type of bridge bar whose metal terminals are formed by two groups of metal sheets stacked together to form a complete metal terminal. The metal terminals on both sides of the bridge bar have less exposed parts, while the metal terminals in the middle position have more exposed parts. Therefore, for tinning the surface of this type of bridge bar, it is necessary to ensure that the tin liquid can fully fill the middle position of the two metal sheets.

[0032] In detail, an isolation mechanism 1 is provided to isolate the structure of the coating from the external environment, thereby preventing air from flowing between the inside and outside of the device, which would cause a large amount of oxidation of the tin liquid in the plating tank 0 and affect the coating. The metal strip surface of the bridge strip is then cleaned and coated with a plating agent, and the tin liquid is then attached through the plating mechanism 3. By centrifuging, the tin liquid is uniformly attached while ensuring that the tin liquid in the middle of the metal sheet is not thrown out in large quantities and onto the metal terminals on the outside.

[0033] It should be noted that the tin liquid inside the device always remains in a high-temperature molten state, and it is easy to react with oxygen, resulting in the formation of oxides. The oxides are easy to adhere to the surface of the metal terminal during the plating process, affecting the formation of the plating. Therefore, it is necessary to reduce the contact between the plating solution and oxygen to reduce the production of oxides.

[0034] Further, if Figure 3 As shown, the isolation mechanism 1 includes an isolation layer 11 arranged above the plating liquid pool 0, a conveyor belt 12 arranged outside the isolation layer 11, a wedge-shaped groove 13 arranged on one side of the conveyor belt 12, an isolation cavity 14 arranged above the conveyor belt 12 and located within the isolation layer 11, two groups of inlets 141 and outlets 142 are provided on the isolation cavity 14, and a sealing door 15 is slidably connected to one side of the inlet 141 and the outlet 142.

[0035] In this embodiment, an isolation chamber 14 is provided, and two groups of inlets 141 and outlets 142 are provided on the isolation chamber 14, which are used to move the bridging strip into and out of the device respectively. The isolation chamber 14 is used to separate the external environment from the isolation layer 11, thereby reducing the influx of oxygen.

[0036] Specifically, the bridge bar is placed on the conveyor belt 12 and fed into the device. The bridge bar falls into the wedge-shaped groove 13, placing the bridge bar in a vertical position for easy clamping. The bridge bar is then clamped by the moving assembly 21. The inlet 141 at the bottom of the isolation chamber 14 is opened, and the bridge bar is clamped into the isolation chamber 14. The inlet 141 is then closed. The isolation chamber 14 is then vacuumed and filled with inert gas to replace the oxygen. The outlet 142 is then opened, and the bridge bar is fed into the isolation layer 11. The same process is used when the bridge bar is fed out of the device, using a one-side open and one-side closed method to isolate the oxygen.

[0037] It should be noted that the entry and exit of the bridging bar are carried out simultaneously, that is, when a bridging bar enters the isolation chamber 14, a bridging bar is sent out of the isolation chamber 14 at the same time, so that the inlets 141 and outlets 142 in the two groups of inlets 141 and outlets 142 are opened at the same time, thereby reducing the number of times air is extracted.

[0038] It is worth mentioning that by setting up the isolation chamber 14 and evacuating the isolation chamber 14, the possibility of oxygen entering the isolation layer 11 can be greatly reduced, thereby reducing the contact between oxygen and the tin liquid, avoiding the appearance of a large amount of oxides in the tin liquid, and affecting the plating layer. At the same time, this method can also greatly reduce the heat loss of the device, especially the plating pool 0, thereby reducing the energy consumption of the device.

[0039] Further, if Figure 4 、 Figure 5As shown, the pretreatment mechanism 2 includes a moving component 21 for moving the bridging strip and a pretreatment component 22 provided in the isolation layer 11, the moving component 21 includes a slide 211, multiple groups of slides 212 slidably connected in the slide 211, and a clamping portion 213 provided at the lower part of the slide 212. The clamping portion 213 includes a clamping claw 214 rotatably and vertically slidably connected to the slide 212, a swing arm 215 provided on both sides of the clamping claw 214, and a vacuum suction cup 216 provided at the lower end of the swing arm 215.

[0040] In this embodiment, the bridging strip is clamped and moved by providing a moving assembly 21 , and the stacked metal sheets can be separated by a vacuum suction cup 216 provided thereon, so that the inner side of the metal edge can be processed.

[0041] In detail, the slide 211 is a complete square track. By arranging cylinders at the four corners of the track, the slide 212 on the slide 211 is pushed to move in sequence, thereby realizing the cyclic movement of the bridge bar, the clamping device and the delivery device, the clamping claw 214 of the clamping part 213 clamps the plastic part on the upper part of the bridge bar, and the swing arms 215 on both sides rotate to make the suction cup contact the surface of the metal sheet, so that the swing of the swing arm 215 separates the metal sheet to both sides.

[0042] It should be noted that the vacuum suction cup 216 separates the metal sheets by evacuating the metal sheets. Therefore, after the isolation chamber 14 is evacuated, it needs to be refilled with inert gas to balance the pressure, otherwise the vacuum suction cup 216 cannot adsorb.

[0043] It is worth mentioning that the swing arm 215 is controlled to rotate by a motor, and the swing to open the metal sheets should not be too large to prevent the metal sheets from being deformed due to excessive swinging, so that the two metal sheets cannot be overlapped together.

[0044] Further, if Figure 6 As shown, the pretreatment component 22 includes a cleaning pool 221 arranged in the isolation layer 11, a coating pool 222 arranged behind the cleaning pool 221, two groups of cleaning brushes 223 arranged in the cleaning pool 221, multiple groups of fan blades 224 arranged at the bottom of the coating pool 222, and a nozzle 225 arranged in the middle of each fan blade 224 and spraying upward.

[0045] In this embodiment, by providing a cleaning pool 221 and a coating pool 222 , the inner and outer sides of the metal sheet are cleaned respectively, and a plating flux is coated on the surface of the metal sheet, thereby achieving better results in subsequent plating.

[0046] In detail, two groups of cleaning brushes 223 are set in the cleaning tank 221, one group is used to clean the outside of the metal sheet, and the other group is used to clean the inside of the metal sheet. When cleaning the inside of the metal sheet, the metal sheet is pulled apart by the suction cup, and after cleaning, it enters the coating tank 222, and the surface is soaked with plating flux. The fan blades 224 are used to make the plating flux flow, and at the same time, the nozzle 225 is used to spray the plating flux upward, so that the plating flux can flow into the middle of the metal sheet.

[0047] It should be noted that although the suction cup can pull the metal sheets apart, the closer to the root of the terminal, the tighter the connection of the metal sheets becomes, and it is not easy for the plating solution to enter the interior for plating. Therefore, the inner and outer surfaces of the metal sheet are infiltrated with the plating flux through the coating pool 222, so that the plating flux can penetrate into the middle of the metal sheet as much as possible, thereby assisting the subsequent adhesion of the tin liquid.

[0048] Further, if Figure 7 、 Figure 8 、 Figure 10 As shown, the separation component 32 includes a scraping member 321 arranged above the plating liquid pool 0 to scrape off the oxide and a separation member 322 to separate the tin liquid. The scraping member 321 includes a scraper 323 arranged on the surface of the plating liquid in the plating liquid pool 0 and sliding horizontally, and a collection basket 324 arranged on one side of the scraper 323.

[0049] The separator 322 includes an isolation basket 325 disposed above the scraper 323 and vertically sliding on the side wall of the isolation layer 11 , a liquid storage tank 326 disposed at the bottom of the isolation frame, and a liquid leakage plate 327 hinged to the bottom of the liquid storage tank 326 .

[0050] The fixing assembly 31 includes a fixing frame 311 vertically slidably connected to the side wall of the isolation layer 11 , fixing clips 312 provided on both sides of the fixing frame 311 , and a card 313 rotatably connected to the fixing frame 311 .

[0051] In this embodiment, a separation component 32 is provided to separate the oxides on the surface of the plastic sheet again, thereby preventing the oxides from adhering to the surface of the metal sheet and completing the adhesion of the tin liquid to the surface of the metal sheet.

[0052] In detail, the bridge bar moves to the top of the isolation basket 325 and then moves down. At this time, the metal sheet is in an open state, so that the card 313 is inserted into the middle of the metal sheet. The card 313 is used to separate the metal sheet, so that the tin liquid enters the middle of the metal sheet. Then, the scraper 323 moves along the surface of the plating solution below the isolation basket 325, scraping the surface oxide into the collection basket 324. Then, the isolation basket 325 moves down first, so that the tin liquid enters the isolation basket 325 and the liquid storage tank 326, filling After the liquid storage tank 326 is full, the isolation basket 325 rises a certain distance again, so that the distance between the isolation basket 325 and the liquid storage tank 326 is the difference between the exposed middle and two sides of the metal terminal of the bridge bar. The bridge bar moves down, and the metal bar is immersed in the tin liquid. When the bridge bar falls, the card 313 rotates and separates from the middle of the metal sheet, so that the metal bar is completely immersed in the tin liquid, completing the attachment of the tin liquid. Then the isolation basket 325 rises back to its original position, and the leakage plate 327 opens to allow the tin liquid in the liquid storage tank 326 to flow out.

[0053] It should be noted that the card 313 is used to enlarge the gap between the two metal sheets, thereby facilitating the flow of the tin liquid into the metal sheets. As for the attachment of the root of the metal sheet, since the plating agent has been coated on the surface of the metal strip, when the card 313 is separated from the metal sheet, the metal sheet will return to its original position instantly. The tin liquid in the middle of the metal sheet will be squeezed by the metal sheet and pop out. A part of the tin liquid will be squeezed and surged upward, and cooperate with the originally coated plating agent to adhere to the middle gap at the root of the metal sheet, thereby avoiding the appearance of voids in the plating layer.

[0054] It is worth mentioning that, although oxygen is isolated by the isolation chamber 14 in time, it is inevitable that some oxygen will enter the isolation layer 11 after long-term use, thereby causing certain oxides to appear on the surface of the plating solution. At this time, the oxides on the surface are scraped into the collection tank by the scraper 323, and then the isolation basket 325 is lowered. The isolation basket 325 is used to further filter the tin liquid to prevent the tin liquid flowing into the isolation basket 325 from retaining any oxides. Through two filtrations, the oxides are prevented from interfering with the formation of the coating.

[0055] The isolation basket 325 and the collection basket 324 are both provided with filtering structures at the bottom.

[0056] Further, if Figure 9 As shown, the barrier assembly 41 includes a filter basket 411 provided on the other side of the isolation basket 325 and vertically slidably connected to the side wall of the isolation layer 11, a connecting ring 412 rotatably connected to the inside of the filter frame, a contact block 413 horizontally sliding on the connecting ring 412, and a plurality of baffles 414 provided in the middle of the connecting ring 412. The tin retention component 42 is set in the middle of each baffle 414, including a jet column 421 located on both sides of the metal terminal, multiple groups of jet heads arranged vertically on the jet column 421, a movable column 422 set on the outside of each terminal with the center line of the connecting ring 412, and multiple groups of jet heads arranged vertically on the movable column 422.

[0057] In this embodiment, by providing a baffle 414, a paint spray column and a moving column 422, in conjunction with the centrifugal step, the tin liquid can be attached more evenly, while preventing the tin liquid in the middle of the metal sheet from being thrown out during the centrifugal process, or the excess tin liquid from being thrown onto the outer metal terminals.

[0058] In detail, the bridging bar moves to the top of the connecting ring 412 and then moves downward, so that the metal terminal moves to the middle of the brother baffle 414. At the same time, the contact block 413 clamps the clamping part 213, so that the connecting ring 412 rotates with the clamping part 213, and the bridging bar is centrifuged. During centrifugation, the jet column 421 and the moving column 422 simultaneously spray jets toward the metal terminal.

[0059] It should be noted that the center of rotation during centrifugation is located at the center of the bridge bar. When centrifugation begins, the excess tin liquid in the middle will be thrown outward. At this time, an inclined baffle 414 is set to prevent the thrown tin liquid from falling on the external metal terminals and affecting the plating formation.

[0060] It's worth noting that by providing air jets 421 and movable columns 422, air jets 421 are positioned on either side of the metal sheet. The air jets utilize the impact of the airflow to force the two metal sheets closer together, preventing large gaps that could cause the tin liquid to be brushed out. The airflow also accelerates the solidification of the tin liquid on the surface. The movable columns 422 are positioned on the outside of the metal sheet. The air jets on these columns are directed at the gaps in the metal sheet, blowing air into them to further reduce the possibility of large amounts of molten lead being thrown out.

[0061] The ejected lead liquid falls into the filter frame. During centrifugation, the volume of the lead liquid is small and rapid oxidation may occur. Therefore, a filter basket 411 is provided to collect the oxides in the filter frame to prevent loss.

[0062] An opening may be provided above the filter basket 411 and the collection basket 324 on the isolation layer 11 , and the filter basket 411 and the collection basket 324 may be cleaned after being opened.

[0063] Example 2 like Figure 11 As shown, the components identical or corresponding to those in the first embodiment are designated by the corresponding reference numerals in the first embodiment. For simplicity, only the differences from the first embodiment are described below. The second embodiment differs from the first embodiment in that: Further, if Figure 6As shown, the method for producing a melamine copper-clad tin-plated insulated arc-resistant bridge strip is applied to the production system of the melamine copper-clad tin-plated insulated arc-resistant bridge strip, comprising the following steps: Step 1: Isolation step: The bridging strip is transported into the device via the conveyor belt 12. The lower opening of the isolation chamber 14 is opened. The clamping claw 214 clamps the bridging strip and enters the isolation chamber 14. The opening of the isolation chamber 14 is closed and vacuum is applied. Then, the side wall opening of the isolation chamber 14 is opened and the bridging strip is moved into the isolation layer 11 for processing. Step 2: Coating step: the slide 212 moves the bridge strip into the cleaning tank 221, and the vacuum suction cup 216 on the swing arm 215 cleans the inside and outside of the metal sheet, and a plating flux is applied to the surface of the metal sheet in the coating tank 222; Step 3, the plating step, the slide 212 moves the bridge bar to the top of the plating bath 0, at which time the scraper 323 moves to scrape the tin oxide below the isolation basket 325 into the collection basket 324, and then the isolation basket 325 moves downward, allowing the tin liquid to enter the isolation basket 325 and fill the liquid reservoir 326. At the same time, the clamping claw 214 clamps the bridge bar and moves downward, so that the card 313 is clamped between the two metal sheets, thereby creating a gap between the metal sheets. The bridge bar follows the fixing frame 311 and moves downward to plate the metal sheet of the bridge bar. After the tin liquid adheres, the card 313 rotates and separates from the metal sheet, completing the tin liquid adhesion; Step 4, the centrifugal step, moves the bridge bar to the connecting ring 412 so that the terminal is located in the middle of each baffle 414, and the supporting part drives the connecting ring 412 to rotate together. At the same time, the jet column 421 and the moving column 422 spray air toward the metal terminal, and the centrifugal auxiliary coating is uniformly formed.

[0064] In the description of the present invention, it should be understood that the terms "front and back", "left and right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the equipment or components referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the invention.

[0065] Of course, in this technical solution, those skilled in the art should understand that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0066] The above description is merely a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art based on the technical guidance of the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be based on the scope of protection of the claims.

Claims

1. A melamine copper-clad tin-plated insulated arc-resistant bridge strip production system, characterized in that: include: An isolation mechanism (1), the isolation mechanism (1) being arranged above the plating liquid pool (0) and isolating the plating liquid pool (0) from external oxygen; A pretreatment mechanism (2), the pretreatment mechanism (2) being arranged inside the isolation mechanism (1) and used for transporting the bridging strips and coating them with a plating flux; A plating liquid mechanism (3), the plating liquid mechanism (3) is arranged above the plating liquid tank (0) and is used to tin the bridge bar, comprising a fixing component (31) for fixing the bridge bar and a separation component (32) arranged below the fixing component (31), wherein the fixing component (31) fixes the bridge bar and then tins the surface of the metal terminal on the bridge bar through the separation component (32); A centrifugal mechanism (4) is provided on the plating bath (0) and is used to centrifuge the bridge strip that has completed the attachment of the tin liquid. The centrifugal mechanism (4) comprises a barrier assembly (41) for blocking each terminal and a tin retention assembly (42) provided in the middle of the barrier assembly (41).

2. A melamine copper-clad tin-plated insulated arc-resistant bridging strip production system according to claim 1, characterized in that: The isolation mechanism (1) comprises an isolation layer (11) arranged above the plating liquid pool (0), a conveyor belt (12) arranged outside the isolation layer (11), a wedge-shaped groove (13) arranged on one side of the conveyor belt (12), an isolation chamber (14) arranged above the conveyor belt (12) and located within the isolation layer (11), two groups of inlets (141) and outlets (142) arranged on the isolation chamber (14), and sealing doors (15) slidably connected to one side of each of the inlets (141) and the outlet (142).

3. The melamine copper-clad tin-plated insulated arc-resistant bridging strip production system according to claim 1, characterized in that: The pretreatment mechanism (2) includes a moving component (21) arranged for moving the bridging strip and a pretreatment component (22) arranged in the isolation layer (11), the moving component (21) includes a slideway (211), a plurality of slides (212) slidably connected in the slideway (211), a clamping portion (213) arranged at the bottom of the slide (212), the clamping portion (213) including a clamping claw (214) connected to the slide (212) for rotation and vertical sliding, swing arms (215) arranged on both sides of the clamping claw (214), and a vacuum suction cup (216) arranged at the lower end of the swing arm (215).

4. A melamine copper-clad tin-plated insulated arc-resistant bridging strip production system according to claim 3, characterized in that: The pretreatment component (22) comprises a cleaning pool (221) disposed in the isolation layer (11), a coating pool (222) disposed behind the cleaning pool (221), two groups of cleaning brushes (223) disposed in the cleaning pool (221), a plurality of groups of fan blades (224) disposed at the bottom of the coating pool (222), and a nozzle (225) disposed in the middle of each fan blade (224) and spraying upward.

5. The melamine copper-clad tin-plated insulated arc-resistant bridging strip production system according to claim 1, characterized in that: The separation component (32) comprises a scraping member (321) arranged above the plating liquid pool (0) for scraping off oxides and a separation member (322) for separating tin liquid. The scraping member (321) comprises a scraper (323) arranged on the surface of the plating liquid in the plating liquid pool (0) and sliding horizontally, and a collection basket (324) arranged on one side of the scraper (323).

6. A melamine copper-clad tin-plated insulated arc-resistant bridging strip production system according to claim 5, characterized in that: The separating member (322) comprises an isolation basket (325) disposed above the scraper (323) and vertically sliding on the side wall of the isolation layer (11), a liquid storage tank (326) disposed at the bottom of the isolation frame, and a liquid leakage plate (327) hinged to the bottom of the liquid storage tank (326).

7. A melamine copper-clad tin-plated insulated arc-resistant bridging strip production system according to claim 6, characterized in that: The fixing assembly (31) comprises a fixing frame (311) vertically slidably connected to the side wall of the isolation layer (11), fixing clips (312) arranged on both sides of the fixing frame (311), and a card (313) rotatably connected to the fixing frame (311).

8. A melamine copper-clad tin-plated insulated arc-resistant bridging strip production system according to claim 7, characterized in that: The barrier assembly (41) comprises a filter basket (411) arranged on the other side of the isolation basket (325) and vertically slidably connected to the side wall of the isolation layer (11), a connecting ring (412) rotatably connected to the inside of the filter frame, a contact block (413) sliding horizontally on the connecting ring (412), and a plurality of baffles (414) arranged in the middle of the connecting ring (412).

9. A melamine copper-clad tin-plated insulated arc-resistant bridging strip production system according to claim 8, characterized in that: The tin retention assembly (42) is arranged in the middle of each baffle (414), including an air jet column (421) located on both sides of the metal terminal, a plurality of air jet heads arranged vertically on the air jet column (421), a movable column (422) arranged on the outer side of each terminal with the center line of the connecting ring (412), and a plurality of air jet heads arranged vertically on the movable column (422).

10. A method for producing melamine-coated copper-tinned insulated arc-resistant bridging strips, applied to a melamine-coated copper-tinned insulated arc-resistant bridging strip production system according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1, isolation step, the bridge strip is transported into the device via the conveyor belt (12), the lower opening of the isolation chamber (14) is opened, the clamping claw (214) clamps the bridge strip and enters the isolation chamber (14), the opening of the isolation chamber (14) is closed, vacuum is performed, and then the side wall opening of the isolation chamber (14) is opened, and the bridge strip is moved into the isolation layer (11) for processing; Step 2: Coating step: the slide (212) moves the bridge strip into the cleaning tank (221), and the vacuum suction cup (216) on the swing arm (215) is used to clean the inside and outside of the metal sheet, and a plating agent is applied to the surface of the metal sheet in the coating tank (222); Step three, the plating step, the slide (212) moves the bridge bar to the top of the plating bath (0), at which time the scraper (323) moves to scrape the tin oxide below the isolation basket (325) into the collection basket (324), and then the isolation basket (325) moves downward, allowing the tin liquid to enter the isolation basket (325) and fill the liquid storage tank (326) at the same time, and at the same time the clamping claw (214) clamps the bridge bar and moves downward, so that the card (313) is stuck in the middle of the two metal sheets, so that a gap appears in the middle of the metal sheets, and the bridge bar follows the fixed frame (311) to move downward, and the metal sheet of the bridge bar is plated. After the tin liquid is attached, the card (313) rotates and detaches from the metal sheet, completing the attachment of the tin liquid; Step 4, the centrifugal step, moves the bridge bar to the connecting ring (412) so that the terminal is located in the middle of each baffle (414), and the supporting part drives the connecting ring (412) to rotate together. At the same time, the air jet column (421) and the moving column (422) spray air toward the metal terminal, and the centrifugal auxiliary coating is uniformly formed.

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