Photovoltaic solder strip production tin furnace with straight tin scraping function

Abstract

The utility model belongs to the technical field of photovoltaic welding strip production, and particularly relates to a photovoltaic welding strip production tin furnace with a straight tin scraping function, which comprises a base, a furnace body is fixedly mounted on the base, one side of the outer wall of the furnace body is fixedly connected with a fixing frame, and the upper surface of the fixing frame is in limited sliding connection with a sliding block. A scraping mechanism with adjustable scraping depth is arranged on the sliding block; according to the utility model, the scraping mechanism is arranged to scrape the tin surface in the furnace body, uniformly remove the oxidation layer on the liquid level of the tin liquid, and adjust the distance between the scraper and the liquid level of the tin liquid to ensure that the scraper can be in full contact with the surface of the tin liquid, so that the oxidation layer is effectively removed, the tin scraping effect is improved, and the residue of the oxidation layer is reduced; the production quality of the photovoltaic welding strip is improved, and the influence of accumulation of the residual tin on subsequent oxide layer removal is avoided by periodically scraping the residual tin on the surface of the scraper through mechanical energy.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic welding strip production, in particular to a tin furnace for photovoltaic welding strip production with a straight-line tin scraping function. Background Art

[0002] Photovoltaic welding ribbon is a tin-coated copper ribbon that plays a connecting role in solar panels. The ideal photovoltaic welding ribbon requires good conductivity, certain strength and toughness, and not too high hardness. The photovoltaic welding ribbon tinning machine is the core equipment for producing photovoltaic welding ribbons.

[0003] At present, during the tin coating process, liquid tin is easily oxidized to form an oxide film on the liquid surface. The oxide film is easy to contact with the solder strip, resulting in poor tin coating effect. The oxide layer needs to be removed regularly to prevent the continuously accumulated oxide layer from contacting the solder strip. The existing tin furnace used for photovoltaic solder strip production is difficult to ensure continuous and sufficient removal of the oxide layer, and it is difficult to adjust the position of the scraper according to the liquid level.

[0004] In view of the above-mentioned technical defects, a solution is now proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a tin furnace for the production of photovoltaic solder strips with a straight-line tin scraping function, so as to solve the problem that the existing tin furnaces for the production of photovoltaic solder strips are difficult to ensure the continuous and sufficient removal of the oxide layer, thereby making it difficult to ensure the fluidity of the tin liquid and the welding quality, thereby improving production efficiency and quality, and at the same time being difficult to adjust the position of the scraper according to the liquid level height, resulting in poor flexibility.

[0006] The purpose of the utility model can be achieved by the following technical solutions: a tin furnace for photovoltaic welding strip production with a straight tin scraping function, comprising a base, a furnace body is fixedly mounted on the base, a fixing frame is fixedly connected to one side of the outer wall of the furnace body, a sliding block is limitedly slidably connected to the upper surface of the fixing frame, and a scraping mechanism with adjustable scraping depth is provided on the sliding block;

[0007] The upper surface of the sliding block is fixedly connected to a mounting frame, which is an inverted U-shaped frame. A connecting shaft is penetrated through the inner wall of the mounting frame and rotatably connected thereto. A scraper is fixedly connected to the outer contour of the connecting shaft. A connecting frame 1 is fixedly connected to the side of the sliding block away from the scraper, and an electric push rod 1 is provided on the connecting frame 1 for driving the connecting shaft to rotate.

[0008] Preferably, the telescopic end of the electric push rod 1 passes through the connecting frame 1 and is fixedly connected to a rack, the end of the connecting shaft passes through the connecting frame 1 and is fixedly connected to a gear, and the rack is meshed with the gear.

[0009] Preferably, a slide rail is fixedly connected to the upper surface of the fixing frame, and the slide rail passes through the bottom of the sliding block and is slidably connected to the sliding block.

[0010] Preferably, the fixing frame is U-shaped, the inner wall of the fixing frame is fixedly connected with a screw rod, the screw rod passes through the sliding block and is screwed to the sliding block, and the outer wall of the fixing frame is fixedly mounted with a motor for driving the screw rod to rotate.

[0011] Preferably, the end of the fixing frame away from the motor is fixedly connected to a second connecting frame, an electric push rod is fixedly mounted on the second connecting frame, and a connecting block for scraping the scraper surface is fixedly connected to the telescopic end of the second electric push rod.

[0012] Preferably, the connection block is at the same height as the scraper in a horizontal state, and an opening that fits with the scraper is formed at one end of the connection block close to the scraper.

[0013] Beneficial effects of the utility model:

[0014] (1) The utility model provides a scraping mechanism to scrape the tin surface in the furnace body. The scraper moves linearly to evenly remove the oxide layer on the surface of the tin liquid, thereby ensuring the fluidity of the tin liquid and the quality of the photovoltaic welding strip, improving production efficiency and quality, and adjusting the distance between the scraper and the tin liquid surface to ensure that the scraper can fully contact the surface of the tin liquid, thereby effectively removing the oxide layer, improving the scraping effect, reducing the residue of the oxide layer, and improving the production quality of the photovoltaic welding strip.

[0015] (2) The second electric push rod pushes the connecting block, which can make the end of the connecting block contact with the end of the scraper to scrape off the tin on the surface of the scraper. The residual tin on the surface of the scraper can be mechanically scraped off regularly to avoid the accumulation of residual tin and the impact of subsequent oxide layer removal, further improve the scraping effect, reduce the residual oxide layer, and improve the production quality of photovoltaic welding strips. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings;

[0017] Figure 1 The utility model has an overall structure of three-dimensional Figure 1 ;

[0018] Figure 2 The utility model has an overall structure of three-dimensional Figure 2 ;

[0019] Figure 3 It is a schematic diagram of the structure of the utility model from top view;

[0020] Figure 4 It is a schematic diagram of the structure of the fixing frame of the utility model;

[0021] Figure 5 It is a schematic diagram of the structure of the sliding block of the utility model.

[0022] Legend: 1. Base; 2. Furnace body; 3. Fixed frame; 4. Slide rail; 5. Sliding block; 6. Mounting frame; 7. Scraper; 8. Connecting shaft; 9. Connecting frame 1; 10. Electric push rod 1; 11. Rack; 12. Gear; 13. Connecting frame 2; 14. Electric push rod 2; 15. Connecting block; 16. Motor; 17. Screw. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Embodiment 1:

[0025] This embodiment is used to solve the problem that the existing device is difficult to ensure the continuous and sufficient removal of the oxide layer, thereby it is difficult to ensure the fluidity of the tin liquid and the welding quality, improve production efficiency and quality, and it is difficult to adjust the position of the scraper according to the liquid level height, and the flexibility is poor.

[0026] See also Figure 1 - Figure 5 As shown, the present embodiment is a tin furnace for producing photovoltaic welding strips with a straight-line tin scraping function, comprising a base 1, a furnace body 2 is fixedly mounted on the base 1, a fixing frame 3 is fixedly connected to one side of the outer wall of the furnace body 2, a sliding block 5 is slidingly connected to the upper surface of the fixing frame 3, a scraping mechanism with an adjustable scraping depth is provided on the sliding block 5, a mounting frame 6 is fixedly connected to the upper surface of the sliding block 5, the mounting frame 6 is an inverted U-shaped frame, a connecting shaft 8 is penetrated through the inner wall of the mounting frame 6 and rotatably connected, a scraper 7 is fixedly connected to the outer contour of the connecting shaft 8, a connecting frame 9 is fixedly connected to the side of the sliding block 5 away from the scraper 7, and an electric push rod 10 is provided on the connecting frame 9 for pushing the connecting shaft 8 to rotate.

[0027] When the sliding block 5 slides on the fixed frame 3, the mounting frame 6 on the sliding block 5 can slide along the furnace body 2, thereby moving the tin surface of the furnace body 2, and scraping the tin surface inside the furnace body 2 by the scraper 7. The oxide layer on the surface of the furnace body 2 is scraped off by the scraper 7. At the same time, the linear motion of the scraper 7 can ensure the uniform removal of the oxide layer, thereby ensuring the fluidity of the tin liquid and the welding quality, improving the production efficiency and quality, and pushing the connecting shaft 8 to rotate by the electric push rod 10 to adjust the distance between the scraper 7 and the tin liquid surface to ensure that the scraper 7 can fully contact the surface of the tin liquid, thereby effectively removing the oxide layer, which can improve the scraping effect, reduce the residue of the oxide layer, and improve the production quality of the photovoltaic welding strip.

[0028] The telescopic end of the electric push rod 10 passes through the connecting frame 9 and is fixedly connected to the rack 11, the end of the connecting shaft 8 passes through the connecting frame 9 and is fixedly connected to the gear 12, and the rack 11 is meshed with the gear 12; the electric push rod 10 located on the connecting frame 9 is started, and the telescopic end of the electric push rod 10 pushes the rack 11 to move in the vertical direction, which can rotate the gear 12 meshed with the rack 11, and the connecting shaft 8 coaxially fixedly connected to the gear 12 drives the scraper 7 to rotate, so as to adjust the distance between the scraper 7 and the liquid surface of the tin liquid.

[0029] A slide rail 4 is fixedly connected to the upper surface of the fixed frame 3, and the slide rail 4 passes through the bottom of the sliding block 5 and is slidably connected to the sliding block 5; the slide rail 4 cooperates with the sliding block 5 to enable the mounting frame 6 fixedly installed on the sliding block 5 to move stably, so that the scraper 7 moves along the surface of the tin liquid to ensure uniform removal of the oxide layer.

[0030] The fixing frame 3 is U-shaped, and a screw 17 is connected to the inner wall of the fixing frame 3 on a fixed axis. The screw 17 passes through the sliding block 5 and is screwed to the sliding block 5. A motor 16 for driving the screw 17 to rotate is fixedly installed on the outer wall of the fixing frame 3. The motor 16 on one side of the outer wall of the fixing frame 3 is started, and the screw 17 is driven to rotate by the motor 16, and the sliding block 5 screwed to the screw 17 slides on the slide rail 4, thereby moving along the liquid surface of the tin liquid and scraping the liquid surface of the tin liquid.

[0031] Embodiment 2:

[0032] This embodiment is used to solve the problem that the tin remaining on the surface during the scraping process makes it inconvenient to remove the subsequent oxide layer.

[0033] See also Figure 1 , Figure 5 As shown, the tin furnace for producing photovoltaic welding strips with a straight-line tin scraping function of this embodiment includes a connecting frame 13 fixedly connected to the end of a fixing frame 3 away from a motor 16, an electric push rod 14 fixedly installed on the connecting frame 13, and a connecting block 15 for scraping the surface of a scraper 7 is fixedly connected to the telescopic end of the electric push rod 14; starting the electric push rod 14 and pushing the connecting block 15 through the electric push rod 14 can make the end of the connecting block 15 contact with the end of the scraper 7 to scrape the tin on the surface of the scraper 7.

[0034] The connecting block 15 is at the same height as the scraper 7 in the horizontal state, and an opening that fits with the scraper 7 is provided at one end of the connecting block 15 close to the scraper 7; the electric push rod 10 is started to rotate the scraper 7 to the horizontal state, and the electric push rod 2 14 is started, and the opening provided at the end of the connecting block 15 contacts the end of the scraper 7, so that the adhered tin at the end of the scraper 7 is fully scraped off.

[0035] Combining Embodiment 1 with Embodiment 2

[0036] By setting up a scraping mechanism, the tin surface in the furnace body 2 is scraped, and the scraper 7 moves in a straight line to evenly remove the oxide layer on the surface of the tin liquid, thereby ensuring the fluidity of the tin liquid and the quality of the photovoltaic welding strip, and improving production efficiency and quality. The distance between the scraper 7 and the tin liquid surface is adjusted to ensure that the scraper 7 can fully contact the surface of the tin liquid, thereby effectively removing the oxide layer, which can improve the tin scraping effect, reduce the residue of the oxide layer, and improve the production quality of the photovoltaic welding strip. The residual tin on the surface of the scraper 7 is mechanically scraped regularly to avoid the accumulation of residual tin affecting the subsequent removal of the oxide layer.

[0037] like Figure 1 - Figure 5 As shown, the working process and principle of the utility model are as follows:

[0038] Step 1, start the electric push rod 10 located on the connecting frame 9, the telescopic end of the electric push rod 10 pushes the rack 11 to move, which can rotate the gear 12 meshing with the rack 11, and the connecting shaft 8 coaxially fixedly connected with the gear 12 drives the scraper 7 to rotate, so as to adjust the distance between the scraper 7 and the tin liquid level, start the motor 16 on one side of the outer wall of the fixed frame 3, drive the screw 17 to rotate through the motor 16, and the sliding block 5 screwed with the screw 17 slides on the slide rail 4, and the sliding block 5 slides on the fixed frame 3, so that the mounting frame 6 located on the sliding block 5 can slide along the furnace body 2, so as to move the tin surface of the furnace body 2, and scrape the tin surface in the furnace body 2 by the scraper 7, and scrape off the oxide layer on the surface of the furnace body 2 by the scraper 7;

[0039] Step 2, start the electric push rod 10 to rotate the scraper 7 to a horizontal state. At this time, the connecting block 15 and the horizontal scraper 7 are at the same height. Start the electric push rod 2 14, and push the connecting block 15 through the electric push rod 2 14. The opening at the end of the connecting block 15 contacts the end of the scraper 7, and the adhered tin at the end of the scraper 7 is fully scraped off.

[0040] The above contents are merely examples and explanations of the structure of the present invention. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the invention or exceed the scope defined by the claims, they should all fall within the protection scope of the present invention.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A tin furnace for producing photovoltaic solder strips with a straight-line tin scraping function, comprising a base (1), characterized in that: A furnace body (2) is fixedly mounted on the base (1); a fixing frame (3) is fixedly connected to one side of the outer wall of the furnace body (2); a sliding block (5) is limitedly slidably connected to the upper surface of the fixing frame (3); and a scraping mechanism with an adjustable scraping depth is provided on the sliding block (5); The upper surface of the sliding block (5) is fixedly connected to a mounting frame (6), the mounting frame (6) is an inverted U-shaped frame, the inner wall of the mounting frame (6) is penetrated by a connecting shaft (8) and rotatably connected, the outer contour of the connecting shaft (8) is fixedly connected to a scraper (7), the side of the sliding block (5) away from the scraper (7) is fixedly connected to a connecting frame (9), and the connecting frame (9) is provided with an electric push rod (10) for driving the connecting shaft (8) to rotate.

2. The tin furnace for producing photovoltaic solder strips with straight tin scraping function according to claim 1 is characterized in that: The telescopic end of the electric push rod (10) passes through the connecting frame (9) and is fixedly connected to a rack (11); the end of the connecting shaft (8) passes through the connecting frame (9) and is fixedly connected to a gear (12); the rack (11) is meshed with the gear (12).

3. The tin furnace for producing photovoltaic welding strips with straight tin scraping function according to claim 2 is characterized in that: A slide rail (4) is fixedly connected to the upper surface of the fixed frame (3); the slide rail (4) passes through the bottom of the sliding block (5) and is slidably connected to the sliding block (5).

4. The tin furnace for producing photovoltaic welding strips with straight tin scraping function according to claim 3 is characterized in that: The fixing frame (3) is U-shaped, and a screw rod (17) is connected to the inner wall of the fixing frame (3) via a fixed axis. The screw rod (17) passes through the sliding block (5) and is screwed to the sliding block (5). A motor (16) for driving the screw rod (17) to rotate is fixedly mounted on the outer wall of the fixing frame (3).

5. The tin furnace for producing photovoltaic welding strips with straight tin scraping function according to claim 1, characterized in that: The end of the fixed frame (3) away from the motor (16) is fixedly connected to a second connecting frame (13), and a second electric push rod (14) is fixedly installed on the second connecting frame (13). The telescopic end of the second electric push rod (14) is fixedly connected to a connecting block (15) for scraping the surface of the scraper (7).

6. The tin furnace for producing photovoltaic welding strips with straight tin scraping function according to claim 5, characterized in that: The connection block (15) is at the same height as the scraper (7) in a horizontal state, and an opening that fits with the scraper (7) is formed at one end of the connection block (15) close to the scraper (7).

Images