Guide rail and electroplating equipment

Abstract

The utility model belongs to the technical field of solar cell electroplating, and discloses a guide rail and electroplating equipment, the guide rail comprises a guide rail body, an oil injection channel is arranged on the guide rail body, an outlet of the oil injection channel is arranged on a friction surface of the guide rail body, and an inlet of the oil injection channel is connected with an oil supply device through a pipeline. And therefore, lubricating substances in the oil supply device can flow to the friction surface of the guide rail body through the pipeline and the oil injection channel in sequence. The lubricating substance is arranged on the friction surface of the guide rail body, so that the friction coefficient when the carrier is in contact with the friction surface of the guide rail body can be reduced, and the abrasion of contact points on the carrier and the guide rail is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electroplating of solar cell sheets, in particular to a guide rail and electroplating equipment. Background Art

[0002] During the solar cell production process, to improve conveying efficiency and effectiveness, a carrier is used to slide on a guide rail to transport the silicon wafers to a designated location. This method ensures stable conveying of the silicon wafers by placing them stably on the carrier and then allowing the carrier to slide steadily on the guide rail. Compared to chain conveyors, guide rail conveyors have less vibration and can reduce the fragmentation rate of silicon wafers.

[0003] When the vehicle slides on the guide rail, the contact points between the two are made of rigid metal materials, which makes the contact points easily wear out due to friction.

[0004] Therefore, there is an urgent need for a guide rail and electroplating equipment to solve the above technical problems. Utility Model Content

[0005] The purpose of the embodiments of the present invention is to provide a guide rail and electroplating equipment to reduce the wear of the contact points between the carrier and the guide rail.

[0006] To achieve this purpose, the embodiments of the present invention adopt the following technical solutions.

[0007] On the one hand, an embodiment of the present invention provides a guide rail, including a guide rail body, an oil injection channel is opened on the guide rail body, the outlet of the oil injection channel is located on the friction surface of the guide rail body, and the inlet of the oil injection channel is connected to the oil supply device through a pipeline, so that the lubricating material in the oil supply device can flow to the friction surface of the guide rail body through the pipeline and the oil injection channel in turn.

[0008] In some embodiments, a pump and / or a valve is provided on the pipeline.

[0009] In some embodiments, the oil injection channel includes a second oil injection hole and a first oil injection hole that are connected to each other, the second oil injection hole is connected to the pipeline, and the first oil injection hole is connected to the friction surface of the guide rail body.

[0010] In some embodiments, the outlet of the oil injection channel is arranged on the central axis of the friction surface extending along the conveying direction.

[0011] In some embodiments, the guide rail bodies are multiple and connected in sequence along the conveying direction, the pipeline has only one inlet end and is connected to the pump, and the pipeline is provided with multiple outlet ends to respectively connect with the oil injection channels on the multiple guide rail bodies, so that when the pump is working, it can pump lubricating material to the friction surfaces of multiple guide rail bodies at the same time.

[0012] In some embodiments, the lower end of the second oil filling hole is connected to the end of the first oil filling hole in the guide rail body, the second oil filling hole is arranged perpendicular to the friction surface of the guide rail body, and the upper end of the second oil filling hole is connected to the friction surface of the guide rail body. After the lubricating material is transported to the first oil filling hole through the pipeline, the lubricating material is discharged to the friction surface of the guide rail body through the upper end of the second oil filling hole connected to the first oil filling hole, thereby reducing the friction between the guide rail body and the vehicle.

[0013] In some embodiments, the oil filling channel includes a first oil filling hole, a liquid collecting tank and an overflow channel. The liquid collecting tank is connected to the first oil filling hole, and the liquid collecting tank is connected to the friction surface of the guide rail body through the overflow channel.

[0014] In some embodiments, the overflow channel is a honeycomb hole;

[0015] Alternatively, the overflow channel is a filter screen, the upper end of the liquid collecting tank is connected to the friction surface of the guide rail body, and the filter screen is arranged in the liquid collecting tank.

[0016] In some embodiments, a smear roller is further provided in the liquid collecting tank, both ends of the smear roller are rotatably connected to the inner wall of the liquid collecting tank, the extension direction of the rotation axis of the smear roller intersects with the conveying direction, and the highest position of the smear roller is flush with the friction surface of the guide rail body.

[0017] On the other hand, an embodiment of the present invention provides an electroplating device, comprising the aforementioned guide rail.

[0018] The beneficial effects of the embodiments of the present invention are as follows: by providing a lubricant on the friction surface of the guide rail body, the coefficient of friction between the carrier and the guide rail body can be reduced, thereby alleviating wear at the contact points between the carrier and the guide rail. By providing an oiling channel on the guide rail body, lubricant can be supplied or replenished to the friction surface of the guide rail body in real time, without the need for manual addition or machine downtime, thus facilitating operation and improving the conveying efficiency of the guide rail to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of the first guide rail provided in Example 1 of the present utility model;

[0020] Figure 2 This is a structural diagram of the second guide rail provided in Example 1 of the present utility model;

[0021] Figure 3 This is a structural diagram of the third guide rail provided in the first embodiment of the present utility model;

[0022] Figure 4This is a schematic structural diagram of the guide rail provided in the second embodiment of the present utility model;

[0023] Figure 5 This is a schematic structural diagram of the guide rail provided in the third embodiment of the present invention;

[0024] Figure 6 This is a schematic structural diagram of the guide rail provided in the fourth embodiment of the present utility model;

[0025] Figure 7 This is a schematic structural diagram of the guide rail provided in the fifth embodiment of the present invention;

[0026] In the picture:

[0027] 1-Guide rail body; 2-Carrier; 3-Second oil filling hole; 4-First oil filling hole; 5-Pipeline; 6-Oil tank; 61-Pump; 62-Valve; 7-Liquid collecting tank; 8-Filter; 9-Applicator roller; 10-Honeycomb hole. DETAILED DESCRIPTION

[0028] The present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are intended only to illustrate the present invention and are not intended to limit the present invention. It should also be noted that, for ease of description, the accompanying drawings only illustrate portions relevant to the present invention, not all of its components.

[0029] In the description of this utility model, unless otherwise specified or limited, the terms "connected," "connected," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integration; they can refer to direct connections or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0030] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly below or obliquely below the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0031] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are used to refer to positions or locations based on the positions or locations shown in the accompanying drawings. These terms are intended solely to facilitate description and simplify operation, and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this invention. Furthermore, the terms "first" and "second" are used solely for descriptive purposes and have no special meaning.

[0032] Example 1

[0033] The present embodiment provides a guide rail, including a guide rail body 1, for supporting and conveying a carrier 2, an oil injection channel is provided on the guide rail body 1, the outlet of the oil injection channel is located on the friction surface of the guide rail body 1, and the inlet of the oil injection channel is connected to the oil supply device through a pipeline 5, so that the lubricating material in the oil supply device can flow to the friction surface of the guide rail body 1 through the pipeline 5 and the oil injection channel in sequence. By arranging the lubricating material on the friction surface of the guide rail body 1, the friction coefficient when the carrier 2 contacts the friction surface of the guide rail body 1 can be reduced, and the wear of the contact points on the carrier 2 and the guide rail 1 can be reduced. By providing an oil injection channel on the guide rail body 1, the lubricating material can be supplied or supplemented to the friction surface of the guide rail body 1 in real time, without the need for manual addition or stopping the machine for addition, which is convenient to operate and improves the conveying efficiency of the guide rail to a certain extent.

[0034] It should be noted that the lubricant can be lubricating oil or grease, and can be in liquid, semi-solid, or solid form. The friction surface of the guide rail body 1 refers to the side that contacts and rubs against the carrier 2. Preferably, the lubricant is a conductive material so that the guide rail body 1 and the carrier 2 can be electrically connected.

[0035] Specifically, the oiling channel includes a second oiling hole 3 and a first oiling hole 4, which are interconnected. The second oiling hole 3 is connected to a pipeline 5, and the first oiling hole 4 is connected to the friction surface of the guide rail body 1. More specifically, the lower end of the second oiling hole 3 is connected to the end of the first oiling hole 4 within the guide rail body 1. The second oiling hole 3 is arranged perpendicular to the friction surface of the guide rail body 1, and the upper end of the second oiling hole 3 extends through the friction surface of the guide rail body 1. After the lubricant is transported to the first oiling hole 4 through the pipeline 5, the lubricant is discharged to the friction surface of the guide rail body 1 through the upper end of the second oiling hole 3 connected to the first oiling hole 4, thereby reducing the friction between the guide rail body 1 and the vehicle 2.

[0036] Specifically, the guide rail includes two groups of guide rail bodies 1, and each group of guide rail bodies 1 includes a plurality of guide rail bodies 1 connected in sequence along the conveying direction, and the two groups of guide rail bodies 1 are arranged side by side and at equal intervals. If the conveying direction is a linear direction, that is, a fixed direction, the two groups of guide rail bodies 1 are parallel to each other. Preferably, the guide rail body 1 is a conductive material, such as stainless steel or copper. More preferably, an insulating sheet is provided between two adjacent guide rail bodies 1 for insulation. In the working state, the friction surfaces of the two groups of guide rail bodies 1 can synchronously overflow with lubricating material, and when the carrier 2 slides on the two groups of guide rail bodies 1, the friction surfaces of the two groups of guide rail bodies 1 can be evenly coated with lubricating material, so that the friction between the two ends of the carrier 2 and the two groups of guide rail bodies 1 is evenly reduced, thereby avoiding a large difference in friction between the two groups of guide rail bodies 1 and the two ends of the carrier 2.

[0037] Specifically, if Figure 1 As shown, the oil supply device may only include an oil tank 6, which is arranged at a height higher than the friction surface of the guide rail body 1. Under the action of gravity, the lubricant in the oil tank 6 flows to the friction surface of the guide rail body 1. Preferably, the bottom wall of the oil tank 6 is higher than the friction surface of the guide rail body 1.

[0038] Specifically, if Figure 2 As shown, a valve 62 is provided on the pipeline 5 to control the flow of the lubricating substance in the pipeline 5. The valve 62 can be a flow valve or a throttle valve.

[0039] Specifically, if Figure 3 As shown, a pump 61 is provided on the pipeline 5 to pump the lubricating material in the oil tank 6 to the friction surface of the guide rail body 1. The pump 61 can automatically supply oil to the friction surface of the guide rail body 1, thereby improving the oil supply efficiency.

[0040] In other embodiments, the pipeline 5 may be provided with both a pump 61 and a valve 62 .

[0041] Specifically, the outlet of the oil injection channel is arranged on the central axis of the friction surface extending along the conveying direction.

[0042] Specifically, the guide rail bodies 1 are connected in sequence along the conveying direction, the pipeline 5 has only one inlet end which is connected to the pump 61, and the pipeline 5 is provided with multiple outlet ends to respectively connect with the oil injection channels on the multiple guide rail bodies 1, so that when the pump 61 is working, it can simultaneously pump lubricating material to the friction surfaces of the multiple guide rail bodies 1.

[0043] Example 2

[0044] Based on the improvement of the first embodiment, this embodiment provides a guide rail, please refer to Figure 4With a pump 61 installed on the pipeline 5, the oil tank 6 is located below the guide rail body 1. The lubricant in the oil tank 6 is pumped onto the friction surface of the guide rail body 1 by the pump 61. If the oil tank 6 is installed at a higher height than the guide rail body 1 or above the guide rail body 1, the oil tank 6 and the pipeline 5 may interfere with the sliding of the vehicle 2 on the guide rail body 1. Therefore, the oil tank 6 is located below the guide rail body 1 to reduce the risk of the oil tank 6 and pipeline 5 interfering with the sliding of the vehicle 2 on the guide rail body 1.

[0045] Example 3

[0046] Please refer to Figure 5 , based on the improvement of the first or second embodiment, this embodiment provides a guide rail, wherein the oil filling channel includes a first oil filling hole 4, a liquid collecting tank 7, and an overflow channel. The liquid collecting tank 7 is connected to the first oil filling hole 4, and the liquid collecting tank 7 is connected to the friction surface of the guide rail body 1 through the overflow channel. In the working state, the pump 61 pumps the lubricant into the inlet end of the pipeline 5, and then the lubricant enters the first oil filling hole 4 from the outlet end of the pipeline 5. The lubricant then enters the liquid collecting tank 7 through the first oil filling hole 4 and is gathered. When there is enough lubricant in the liquid collecting tank 7, it will overflow from the overflow channel to the friction surface of the guide rail body 1. Through the evenly arranged overflow channels, the lubricant can evenly overflow onto the friction surface of the guide rail body 1, and then when the carrier 2 moves on the guide rail body 1, the lubricant can be more efficiently and evenly applied between the guide rail body 1 and the carrier 2, thereby reducing the friction generated when the two slide relative to each other, thereby reducing the wear generated when the two slide relative to each other.

[0047] Optionally, the overflow channel is a honeycomb hole 10, and the liquid collecting tank 7 passes through the honeycomb hole 10 to the friction surface of the guide rail body 1, and the honeycomb holes 10 are evenly distributed between the liquid collecting tank 7 and the friction surface of the guide rail body 1, so that after the pump 61 transports the lubricating material to the first oil filling hole 4 through the pipeline 5, it is then transported to the liquid collecting tank 7 by the first oil filling hole 4. The lubricating material in the liquid collecting tank 7 gradually increases and evenly overflows from the multiple honeycomb holes 10, so that the lubricating material can be evenly applied to the friction surface of one end of the guide rail body 1, so that when the vehicle 2 moves, the lubricating material can be evenly applied to the entire friction surface of the guide rail body 1.

[0048] Example 4

[0049] Please refer to Figure 6This embodiment provides a guide rail. The difference between this embodiment and the third embodiment is that the overflow channel is not the evenly distributed honeycomb holes 10, but the filter 8. The filter 8 can also make the lubricant overflow evenly. The filter 8 can also filter impurities to prevent the lubricant from containing impurities, which will cause increased wear on the guide rail body 1 and the carrier 2 when they slide relative to each other. In addition, during use, the filter 8 with different numbers of holes can be replaced at any time to change the position and number of points where the lubricant overflows.

[0050] Specifically, in this embodiment, the overflow channel is a filter 8, and the upper end of the liquid collecting tank 7 passes through the friction surface of the guide rail body 1. The filter 8 is arranged in the liquid collecting tank 7. The impurities in the lubricating material are filtered through the filter 8 to prevent the impurities from being transported to the friction surface of the guide rail body 1, thereby preventing the impurities from causing wear on the friction surface of the guide rail body 1 and the carrier 2.

[0051] Optionally, the friction surface of the filter 8 is on the same horizontal plane as the friction surface of the guide rail body 1. By arranging the filter 8 at the upper end of the liquid collecting tank 7, the filter 8 can be replaced more quickly when it is blocked. By making the friction surface of the filter 8 and the friction surface of the guide rail body 1 on the same horizontal plane, it can be avoided that when the filter 8 is positioned higher than the friction surface of the guide rail body 1, the filter 8 causes an obstruction when the vehicle 2 slides, thereby preventing the movement of the vehicle 2 from becoming unstable and causing greater wear to the vehicle 2. It can also be avoided that when the filter 8 is positioned lower than the friction surface of the guide rail body 1, the lubricating material does not overflow evenly at multiple points, but overflows in sheets, resulting in excessive consumption of the lubricating material, which is not conducive to saving resources.

[0052] Example 5

[0053] Please refer to Figure 7 This embodiment provides a guide rail. The difference between this embodiment and the fourth embodiment is that the friction surface of the filter 8 is not flush with the friction surface of the guide rail body 1. The height of the filter 8 is lower than the guide rail body 1. By lowering the height of the filter 8, the filter 8 only has the effect of filtering impurities, and a coating roller 9 is set above it. The lubricating material can be applied between the guide rail body 1 and the carrier 2 by rolling the coating roller 9, thereby saving lubricating material and avoiding waste.

[0054] Specifically, in this embodiment, a smear roller 9 is further provided in the sump 7. Both ends of the smear roller 9 are rotatably connected to the inner side wall of the sump 7. The rotatable connection can be a bearing connection. The filter screen 8 is provided below the smear roller 9. The highest position of the smear roller 9 is flush with the friction surface of the guide rail body 1. The smear roller 9 is provided horizontally, and the extension direction of the rotation axis of the smear roller 9 intersects with the conveying direction. When the lubricating material in the sump 7 increases and the height of the lubricating material in the sump 7 reaches the lowest position height of the smear roller 9, the carrier 2 slides on the guide rail body 1 and contacts the smear roller 9, which drives the smear roller 9 to rotate. The lubricating material adhered to the smear roller 9 will rotate between the guide rail body 1 and the carrier 2, and then be adhered to and carried away by the lower surface of the carrier 2, thereby playing the role of lubricating the friction surface of the guide rail body 1 and the lower surface of the carrier 2. When the pump 61 is running, the lubricant can be transported from the pipeline 5 to the first oil filling hole 4, and the lubricant is transported to the sump 7 through the first oil filling hole 4. As the lubricant in the sump 7 increases, the height of the lubricant in the sump 7 can gradually increase. After the lubricant in the sump 7 passes through the filter 8, the impurities contained in the lubricant can be filtered out. Thereafter, when the height of the lubricant reaches the lower end of the smear roller 9, and when the carrier 2 slides on the guide rail body 1, the contact between the carrier 2 and the smear roller 9 will cause the smear roller 9 to roll. When the smear roller 9 rolls, the lubricant will adhere to its surface and rotate the lubricant to contact with the carrier 2, so that when the carrier 2 slides back and forth on the guide rail body 1, the lubricant can be evenly applied between the friction surface of the guide rail body 1 and the carrier 2, thereby reducing the friction and wear between the two.

[0055] Example 6

[0056] This embodiment provides an electroplating device for electroplating metal grid lines on silicon wafers, including a carrier 2 and the guide rail in the aforementioned embodiment. The carrier 2 is used to carry the silicon wafer so that the silicon wafer can be electroplated with metal grid lines in the electroplating device. The guide rail includes a guide rail body 1 for supporting and transporting the carrier 2. An oil injection channel is provided on the guide rail body 1. The outlet of the oil injection channel is located on the friction surface of the guide rail body 1. The inlet of the oil injection channel is connected to the oil supply device through a pipeline 5 so that the lubricating material in the oil supply device can flow to the friction surface of the guide rail body 1 through the pipeline 5 and the oil injection channel in sequence. By providing a lubricating material on the friction surface of the guide rail body 1, the friction coefficient when the carrier 2 contacts the friction surface of the guide rail body 1 can be reduced, and the wear of the contact points on the carrier 2 and the guide rail 1 can be reduced. By providing an oil injection channel on the guide rail body 1, the lubricating material can be supplied or replenished to the friction surface of the guide rail body 1 in real time without manual addition or stopping the machine for addition. The operation is convenient, and the transportation efficiency of the guide rail is improved to a certain extent.

[0057] Specifically, the guide rail body 1 is made of a conductive material, such as stainless steel or copper. The carrier 2 is provided with conductive circuits to connect the silicon wafer carried by the carrier 2 and the guide rail body 1. More specifically, the contacting components of the carrier 2 and the guide rail body 1 are made of a conductive material, such as stainless steel or copper. During operation, the current from the electroplating power supply flows sequentially through the guide rail body 1 and the carrier 2 to the silicon wafer carried by the carrier 2, thereby electroplating and forming metal grid lines on the silicon wafer.

[0058] Preferably, an insulating sheet is provided between two adjacent guide rail bodies 1 for insulation, and each guide rail body 1 is electrically connected to a plating power supply or rectifier, so that each guide rail body 1 can obtain a plating current of different sizes, thereby enabling the carrier 2 to obtain different electroplating effects when sliding on different guide rail bodies 1, thereby facilitating the shaping of the metal grid line or improving the uniformity of the electroplated metal grid line.

[0059] Obviously, the above-described embodiments of the present invention are merely examples for the purpose of clearly illustrating the present invention and are not intended to limit the manner in which the present invention is to be implemented. A person skilled in the art would be able to make various obvious changes, readjustments, and substitutions without departing from the scope of protection of the present invention. It is not necessary and impossible to enumerate all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the claims of the present invention.

Claims

1. A guide rail, characterized in that: The invention comprises a guide rail body (1), an oil injection channel is provided on the guide rail body (1), an outlet of the oil injection channel is located on the friction surface of the guide rail body (1), and an inlet of the oil injection channel is connected to an oil supply device via a pipeline (5), so that lubricating material in the oil supply device can flow to the friction surface of the guide rail body (1) through the pipeline (5) and the oil injection channel in sequence.

2. The guide rail according to claim 1, characterized in that The pipeline (5) is provided with a pump (61) and / or a valve (62).

3. The guide rail according to claim 1, characterized in that The oil injection channel comprises a second oil injection hole (3) and a first oil injection hole (4) which are connected to each other, the second oil injection hole (3) is connected to the pipeline (5), and the first oil injection hole (4) is connected to the friction surface of the guide rail body (1).

4. The guide rail according to claim 1, characterized in that The outlet of the oil injection channel is arranged on the central axis of the friction surface extending along the conveying direction.

5. The guide rail according to claim 1, characterized in that The guide rail bodies (1) are connected in sequence along the conveying direction. The pipeline (5) has only one inlet end which is connected to the pump (61). The pipeline (5) is provided with multiple outlet ends which are respectively connected to the oil injection channels on the multiple guide rail bodies (1). When the pump (61) is in operation, it can simultaneously pump lubricating material to the friction surfaces of the multiple guide rail bodies (1).

6. The guide rail according to claim 3, characterized in that The lower end of the second oil filling hole (3) is connected to the end of the first oil filling hole (4) in the guide rail body (1). The second oil filling hole (3) is arranged perpendicular to the friction surface of the guide rail body (1), and the upper end of the second oil filling hole (3) is connected to the friction surface of the guide rail body (1). After the lubricating material is transported to the first oil filling hole (4) through the pipeline (5), the lubricating material is discharged to the friction surface of the guide rail body (1) through the upper end of the second oil filling hole (3) connected to the first oil filling hole (4), thereby reducing the friction between the guide rail body (1) and the carrier (2).

7. The guide rail according to claim 1, characterized in that The oil injection channel comprises a first oil injection hole (4), a liquid collecting groove (7) and an overflow channel. The liquid collecting groove (7) is communicated with the first oil injection hole (4), and the liquid collecting groove (7) is connected to the friction surface of the guide rail body (1) through the overflow channel.

8. The guide rail according to claim 7, characterized in that The overflow channel is a honeycomb hole (10); Alternatively, the overflow channel is a filter screen (8), the upper end of the liquid collecting tank (7) is connected to the friction surface of the guide rail body (1), and the filter screen (8) is arranged in the liquid collecting tank (7).

9. The guide rail according to claim 7, characterized in that A smear roller (9) is also provided in the liquid collecting tank (7), both ends of the smear roller (9) are rotatably connected to the inner wall of the liquid collecting tank (7), the extension direction of the rotation axis of the smear roller (9) intersects with the conveying direction, and the highest position of the smear roller (9) is flush with the friction surface of the guide rail body (1).

10. An electroplating device, characterized in that: The guide rail comprises the guide rail according to any one of claims 1 to 9.

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