Cutting device for photovoltaic support machining

Abstract

The utility model relates to a cutting device for photovoltaic support machining. Comprising a machine frame, a slitting assembly is installed in the middle of the machine frame, the slitting assembly comprises a lower cutter shaft and an upper cutter shaft, a plurality of sets of upper slitting circular cutters are installed on the upper cutter shaft, and a plurality of sets of lower slitting circular cutters are installed on the lower cutter shaft; the device further comprises a cleaning assembly and a transmission driving assembly. The cleaning assembly comprises a plurality of groups of upper air suction hoods covering the plurality of groups of upper slitting circular knives respectively, and further comprises upper grooved guide strips mounted on the knife roll seat structure, a plurality of groups of guide air suction shells located between two adjacent groups of upper slitting circular knives are mounted on the upper grooved guide strips, and each guide air suction shell is hollow and is provided with a plurality of air holes; the lower gas collecting hood is located below the slitting assembly, and the cleaning sponge is installed on the lower gas collecting hood. The slitting cutter cleaning device can automatically clean the slitting cutter, so that manual cleaning work of workers is replaced, the cleaning work efficiency is effectively improved, and the situation that the workers are injured during cleaning is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of cutting equipment, and in particular relates to a cutting device for processing photovoltaic brackets. Background Art

[0002] With the emergence of energy issues, solar photovoltaic power generation technology has been further developed in recent years. Photovoltaic is the abbreviation of solar photovoltaic power generation system, which is a new power generation system that uses the photovoltaic effect of solar cell semiconductor materials to directly convert solar radiation energy into electrical energy.

[0003] Photovoltaic brackets are structures used to install photovoltaic panels. They are generally light steel structures made of aluminum alloy, carbon steel and stainless steel. The production process of photovoltaic brackets involves slitting, stamping, punching, cutting, grinding and polishing of aluminum strips. Among them, the raw materials of aluminum strips are pure aluminum or aluminum alloy cast aluminum coils and hot-rolled aluminum coils, which are rolled into thin aluminum coils of different thicknesses and widths by cold rolling mills, and then longitudinally slit into aluminum strips of different widths by slitting machines according to their uses. During the slitting process of aluminum strips, it is necessary to use a slitting device to slit them, so that the aluminum strips can be slit into aluminum strips of different widths for subsequent use and processing.

[0004] When the aluminum strip is cut by the slitting device, the slitting knife needs to directly contact and cut the aluminum strip. After the cutting is completed, the surface and joints of the cutting knife will be stained with a large amount of debris, which will seriously affect the subsequent processing and use. The existing cleaning method is mostly manual cleaning by personnel with the help of tools. This cleaning method is not only inefficient, but also easy to cause injuries. Therefore, it is urgent to design a cutting device for photovoltaic bracket processing to solve the above problems. Utility Model Content

[0005] The utility model provides a cutting device for photovoltaic bracket processing with reasonable structural design to solve the technical problems existing in the known technology. The utility model can automatically clean the slitting knife, thereby replacing the manual cleaning work of personnel, effectively improving the efficiency of the cleaning work, and avoiding injuries to personnel during cleaning.

[0006] The utility model adopts the following technical scheme to solve the technical problems existing in the known technology: a cutting device for processing photovoltaic brackets comprises a frame, a slitting mounting seat is installed in the middle part of the frame, a knife roller seat structure is installed on the slitting mounting seat, a slitting component for slitting operation is installed on the knife roller seat structure, the slitting component comprises a lower knife shaft and an upper knife shaft which are distributed up and down and have adjustable spacing, a plurality of groups of upper slitting circular knives distributed along the axial direction thereof are installed on the upper knife shaft, a plurality of groups of lower slitting circular knives distributed along the axial direction thereof are installed on the lower knife shaft, and the plurality of groups of upper slitting circular knives and the plurality of groups of lower slitting circular knives are arranged in pairs; a cleaning component is also included on the knife roller seat structure, which is used for cleaning the plurality of groups of upper slitting circular knives and the plurality of groups of lower slitting circular knives; and a cleaning component which is installed on the frame and is used for cleaning the plurality of groups of upper slitting circular knives and the plurality of groups of lower slitting circular knives is also included. A transmission drive assembly connected to the cutting assembly is used to drive the lower knife shaft and the upper knife shaft; it also includes a suction fan connected to the cleaning assembly through a gas pipeline; the cleaning assembly includes a plurality of upper suction hoods installed on the knife roller seat structure and respectively covering the plurality of upper slitting circular knives, each of which is connected to the suction fan, and also includes an upper grooved guide bar installed on the knife roller seat structure, on which are installed a plurality of guide suction shells located between two adjacent groups of upper slitting circular knives and connected to the suction fan, each of which is hollow and has a plurality of air holes; it also includes a lower air collecting hood installed on the knife roller seat structure and located below the slitting assembly, the lower air collecting hood is connected to the suction fan, and also includes a cleaning sponge installed on the lower air collecting hood, which is used to clean the plurality of lower slitting circular knives.

[0007] The advantages and positive effects of the utility model are as follows: the utility model provides a cutting device for processing photovoltaic brackets, which can cut a wide aluminum strip into a small aluminum strip by setting a slitting component and a transmission drive component, so as to achieve the purpose of slitting the aluminum strip, so as to facilitate the subsequent cold bending forming operation; by setting a cleaning component, the debris adhering to the slitting circular knife can be cleaned in real time during the slitting operation to prevent the debris from affecting the subsequent processing operation; that is, multiple groups of upper suction hoods and multiple groups of guide suction shells can perform suction operations on the debris attached to each upper slitting circular knife at the upper and lower positions, and two groups of cleaning sponges can clean the debris attached to multiple groups of lower slitting circular knives, with good cleaning effect and high cleaning efficiency. The utility model can automatically clean the slitting knife, thereby replacing the manual cleaning work of personnel, effectively improving the efficiency of the cleaning work, and avoiding the occurrence of injuries to personnel during cleaning.

[0008] Preferably: the knife roller seat structure includes a hollow mounting seat installed on the slitting mounting seat, side mounting seats are fixedly connected to both ends of the hollow mounting seat, sliding grooves are opened on the two groups of side mounting seats, and pivot mounting rods pivotally connected to the side mounting seats are arranged at the open upper ends of the sliding grooves, and locking members for locking the side mounting seats and the corresponding pivot mounting rods are installed between the side mounting seats and the corresponding pivot mounting rods; it also includes an upper mounting round rod and an upper mounting square rod installed between the two groups of side mounting seats, and each upper suction hood is installed between the upper mounting round rod and the upper mounting square rod; it also includes a lower grooved guide strip installed between the two groups of side mounting seats, and multiple groups of wedge-shaped guide blocks are installed on the lower grooved guide strip, and the multiple groups of wedge-shaped guide blocks are respectively arranged corresponding to the multiple groups of guide suction shells.

[0009] Preferably: the slitting assembly also includes a lower mounting slide and an upper mounting slide which are slidably connected in a slide groove opened on the side mounting stand, the two ends of the upper knife shaft are rotatably connected with the two groups of upper mounting slides arranged oppositely through rolling bearings, and the two ends of the lower knife shaft are rotatably connected with the two groups of lower mounting slides arranged oppositely through rolling bearings; it also includes an adjusting screw threaded on the pivot mounting rod, the lower end of the adjusting screw is rotatably connected with the upper mounting slide, and also includes a handle installed on the adjusting screw; a spring mounting sleeve is installed on the top of each lower mounting slide, a spring is arranged in the spring mounting sleeve, and the two ends of the spring are respectively in tight contact with the upper mounting slide and the lower mounting slide.

[0010] Preferably: the transmission drive assembly includes a transmission guide seat installed on the frame, a slide groove is opened on the transmission guide seat and two groups of sliding blocks distributed up and down are slidably installed in the slide groove, universal couplings are installed on the two groups of sliding blocks, and the two groups of universal couplings are respectively connected to the lower knife shaft and the upper knife shaft; it also includes a transmission mounting seat installed on the frame, and drive transmission pairs respectively connected to the two groups of universal couplings are installed on the transmission mounting seat, and also includes drive motors respectively connected to the two groups of drive transmission pairs.

[0011] Preferably: it also includes a guide roller assembly installed on the knife roller seat structure, the guide roller assembly is located at the feed end of the slitting assembly; the guide roller assembly includes two sets of screw seats installed on the knife roller seat structure and arranged opposite to each other, each screw seat is rotatably connected to a longitudinally arranged lifting screw, each lifting screw is installed with a slider through a nut, and a transversely arranged guide roller is rotatably connected between the two sets of sliders; it also includes a scale fine-tuning knob installed on each lifting screw.

[0012] Preferably: a plurality of groups of lower air outlet branch pipes are installed on the slitting mounting seat, each lower air outlet branch pipe is connected to the lower air collecting hood, a lower exhaust main pipe connected to each lower air outlet branch pipe is arranged below the slitting mounting seat, and the lower exhaust main pipe is connected to the suction fan through a gas pipeline; an upper exhaust main pipe is arranged above the knife roller seat structure, and the upper exhaust main pipe is connected to the suction fan through a gas pipeline, and each upper suction hood and each guide suction shell are connected to the upper exhaust main pipe.

[0013] Preferably, the invention also includes a protective cover which is arranged on the knife roller seat structure and is arranged outside the plurality of upper suction covers, and a handle is installed on the protective cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a three-dimensional structural schematic diagram of the main part of the utility model, from the front perspective;

[0016] Figure 3 It is a three-dimensional structural schematic diagram of the main part of the utility model, from a rear perspective;

[0017] Figure 4 yes Figure 2 AA cross-sectional structure diagram in.

[0018] In the figure: 1, frame; 2, lower exhaust main pipe; 3, lower outlet branch pipe; 4, slitting mounting seat; 5, cleaning assembly; 5-1, upper air suction cover; 5-2, cleaning sponge; 5-3, upper grooved guide strip; 5-4, guide air suction shell; 5-5, lower air collecting cover; 6, knife roller seat structure; 6-1, hollow mounting seat; 6-2, wedge-shaped guide block; 6-3, side mounting stand; 6-4, lower grooved guide strip; 6-5, upper mounting round rod; 6-6, pivot mounting rod; 6-7, locking piece; 6-8, upper mounting square rod; 7, slitting assembly ;7-1, spring mounting sleeve;7-2, lower mounting slide;7-3, upper mounting slide;7-4, lower slitting circular knife;7-5, limiting guide sleeve;7-6, lower knife shaft;7-7, upper knife shaft;7-8, upper slitting circular knife;8, protective cover;9, guide roller assembly;9-1, guide roller;9-2, screw seat;9-3, lifting screw;10, upper exhaust main pipe;11, transmission drive assembly;11-1, transmission mounting seat;11-2, drive transmission pair;11-3, universal coupling;11-4, transmission guide seat. DETAILED DESCRIPTION

[0019] In order to further understand the content, features and effects of the present invention, the following embodiments are described in detail as follows:

[0020] See also Figure 1The cutting device for photovoltaic support processing of the utility model includes a frame 1, a slitting mounting seat 4 is installed in the middle of the frame 1, a knife roller seat structure 6 is installed on the slitting mounting seat 4, and a slitting component 7 for slitting operation is installed on the knife roller seat structure 6.

[0021] like Figure 2 As shown, in the present embodiment, the above-mentioned knife roller seat structure 6 includes a hollow mounting seat 6-1 installed on the slitting mounting seat 4, and side mounting seats 6-3 are fixedly connected to both ends of the hollow mounting seat 6-1, and sliding grooves are opened on the two groups of side mounting seats 6-3, and pivot mounting rods 6-6 pivotally connected to the side mounting seats 6-3 are arranged at the open upper ends of the sliding grooves, and a locking member 6-7 for locking the side mounting seats 6-3 and the corresponding pivot mounting rods 6-6 is installed between the side mounting seats 6-3 and the corresponding pivot mounting rods 6-6.

[0022] The knife roller seat structure 6 also includes an upper mounting round rod 6-5 and an upper mounting square rod 6-8 installed between two groups of side mounting seats 6-3, and also includes a lower grooved guide bar 6-4 installed between the two groups of side mounting seats 6-3, and multiple groups of wedge-shaped guide blocks 6-2 are installed on the lower grooved guide bar 6-4, wherein the above-mentioned each wedge-shaped guide block 6-2 is respectively located between two adjacent groups of lower slitting circular knives 7-4, and is used to support and guide the aluminum strip after slitting, so as to avoid the aluminum strip from being placed on the rotating slitting component 7 during the forward transmission process and affecting the work.

[0023] In addition, the above-mentioned locking member 6-7 includes a locking bolt pivotally connected to the upper end of the side mounting seat 6-3, a slot corresponding to the above-mentioned locking bolt is opened at the end of the pivot mounting rod 6-6, and also includes a locking knob threaded on the above-mentioned locking bolt.

[0024] like Figure 3 As shown, in this embodiment, the above-mentioned slitting assembly 7 includes a lower knife shaft 7-6 and an upper knife shaft 7-7 which are distributed up and down and have adjustable spacing. The upper knife shaft 7-7 is equipped with multiple groups of upper slitting circular knives 7-8 distributed along its axial direction, and the lower knife shaft 7-6 is equipped with multiple groups of lower slitting circular knives 7-4 distributed along its axial direction. The multiple groups of upper slitting circular knives 7-8 and the multiple groups of lower slitting circular knives 7-4 are arranged in pairs. In addition, a limiting guide sleeve 7-5 is installed between two adjacent groups of upper slitting circular knives 7-8 and between two adjacent groups of lower slitting circular knives 7-4, which is used to position and limit the slitting circular knives.

[0025] See also Figure 3 and Figure 4Furthermore, the above-mentioned slitting assembly 7 also includes a lower mounting slide 7-2 and an upper mounting slide 7-3 which are slidably connected in the slide groove opened on the side mounting stand 6-3, and the two ends of the upper knife shaft 7-7 are rotatably connected with the two groups of upper mounting slides 7-3 arranged oppositely through rolling bearings, and the two ends of the lower knife shaft 7-6 are rotatably connected with the two groups of lower mounting slides 7-2 arranged oppositely through rolling bearings. The slitting assembly 7 also includes an adjusting screw threaded on the pivot mounting rod 6-6, and the lower end of the adjusting screw is rotatably connected with the upper mounting slide 7-3, and also includes a handle installed on the adjusting screw; a spring mounting sleeve 7-1 is installed on the top of each lower mounting slide 7-2, and a spring is arranged in the spring mounting sleeve 7-1, and the two ends of the spring are respectively tightly contacted with the upper mounting slide 7-3 and the lower mounting slide 7-2, wherein the above-mentioned spring adopts a compression spring. In addition, the above-mentioned multiple groups of upper circular slitting knives 7-8 are evenly distributed along the axial direction of the upper knife shaft 7-7, and the above-mentioned multiple groups of lower circular slitting knives 7-4 are evenly distributed along the axial direction of the lower knife shaft 7-6.

[0026] In the actual working process, the rotating lower knife shaft 7-6 and the upper knife shaft 7-7 can drive the multi-component circular cutting knives installed thereon to rotate, thereby cutting the wide aluminum strip into small aluminum strips, thereby achieving the purpose of cutting the aluminum strip for subsequent cold bending forming operations.

[0027] like Figure 1 As shown, this embodiment also includes a transmission drive assembly 11 installed on the frame 1 and connected to the slitting assembly 7, which is used to drive the lower knife shaft 7-6 and the upper knife shaft 7-7.

[0028] See also Figure 2 and Figure 3 The above-mentioned transmission drive assembly 11 includes a transmission guide seat 11-4 installed on the frame 1, a slide groove is opened on the transmission guide seat 11-4, and two groups of sliders distributed up and down are slidably installed in the slide groove, and universal couplings 11-3 are installed on both groups of sliders. The two groups of universal couplings 11-3 are respectively connected to the lower knife shaft 7-6 and the upper knife shaft 7-7.

[0029] The transmission drive assembly 11 also includes a transmission mounting seat 11-1 mounted on the frame 1, on which a drive transmission pair 11-2 connected to two sets of universal couplings 11-3 is mounted, and a drive motor connected to the two sets of drive transmission pairs 11-2. The drive transmission pair 11-2 includes a driven pulley connected to the universal coupling 11-3, and also includes a driving pulley keyed to the output shaft of the drive motor, and a transmission belt is arranged between the driving pulley and the driven pulley.

[0030] like Figure 1As shown, this embodiment also includes a cleaning assembly 5 installed on the knife roller seat structure 6, which is used to clean multiple groups of upper slitting circular knives 7-8 and multiple groups of lower slitting circular knives 7-4; and also includes a suction fan connected to the cleaning assembly 5 through a gas pipeline.

[0031] like Figure 2 and Figure 4 As shown, the above-mentioned cleaning component 5 includes a plurality of groups of upper air suction hoods 5-1 installed on the knife roller seat structure 6 and respectively covering the plurality of groups of upper slitting circular knives 7-8, each of the upper air suction hoods 5-1 is installed between the upper mounting round rod 6-5 and the upper mounting square rod 6-8, and in addition, each of the upper air suction hoods 5-1 is connected with the suction fan, and the cleaning component 5 also includes an upper grooved guide bar 5-3 installed on the knife roller seat structure 6, and a plurality of groups of guide air suction shells 5-4 located between two adjacent groups of upper slitting circular knives 7-8 and connected with the suction fan are installed on the upper grooved guide bar 5-3, and each of the guide air suction shells 5-4 is hollow and has a plurality of air holes; in addition, the plurality of groups of guide air suction shells 5-4 are respectively arranged corresponding to the plurality of groups of wedge-shaped guide blocks 6-2, and the above-mentioned wedge-shaped guide blocks 6-2 and guide air suction shells 5-4 are both wedge-shaped structures.

[0032] In the actual working process, by setting up multiple groups of upper suction hoods 5-1 and multiple groups of guide suction shells 5-4 connected to the suction fan, the debris attached to each upper slitting circular knife 7-8 can be sucked at the upper and lower positions to prevent the debris from affecting subsequent processing operations. At the same time, by setting up multiple groups of upper suction hoods 5-1 and multiple groups of guide suction shells 5-4, the smoke generated during slitting can be sucked synchronously while adsorbing the debris, to prevent the smoke generated during the slitting operation from diffusing in the production workshop to pollute the environment and endanger the health of the workers.

[0033] like Figure 4 As shown, the cleaning assembly 5 also includes a lower air collecting hood 5-5 installed on the knife roller seat structure 6 and located below the slitting assembly 7. The lower air collecting hood 5-5 is connected to the suction fan, and also includes a cleaning sponge 5-2 installed on the lower air collecting hood 5-5 for cleaning multiple groups of lower slitting circular knives 7-4. In this embodiment, the above-mentioned cleaning sponge 5-2 is provided with two groups and the two groups of cleaning sponges 5-2 are respectively installed on both sides of the lower knife shaft 7-6. In the actual working process,

[0034] The above-mentioned two groups of cleaning sponges 5-2 are in friction contact with multiple groups of lower slitting circular knives 7-4, and then clean the multiple groups of lower slitting circular knives 7-4, so as to avoid that the debris attached to the lower slitting circular knives 7-4 during the slitting process will seriously affect the subsequent processing and use. In addition, by setting up the lower air collecting hood 5-5, the smoke and dust generated during the slitting can also be sucked out simultaneously while absorbing the debris, so as to avoid the smoke and dust generated during the slitting operation from diffusing in the production workshop to pollute the environment and endanger the health of the workers.

[0035] In order to facilitate installation and daily maintenance, avoid the gas pipeline being too complicated and cumbersome to affect the normal operation of the cutting device, and for aesthetic considerations, such as Figure 1 As shown, the present embodiment also includes a plurality of groups of lower air outlet branch pipes 3 installed on the slitting mounting seat 4, each lower air outlet branch pipe 3 is connected to the lower air collecting hood 5-5, and a lower exhaust main pipe 2 connected to each lower air outlet branch pipe 3 is arranged below the slitting mounting seat 4, and the lower exhaust main pipe 2 is connected to the suction fan through a gas pipeline; an upper exhaust main pipe 10 is arranged above the knife roller seat structure 6, and the upper exhaust main pipe 10 is connected to the suction fan through a gas pipeline, and each upper suction hood 5-1 and each guide suction shell 5-4 are connected to the upper exhaust main pipe 10.

[0036] like Figure 1 As shown, this embodiment further includes a guide roller assembly 9 installed on the knife roller seat structure 6, and the guide roller assembly 9 is located at the feed end of the slitting assembly 7. Figure 3 and Figure 4 As shown, the above-mentioned guide roller assembly 9 includes two sets of screw seats 9-2 relatively arranged on the knife roller seat structure 6, each screw seat 9-2 is rotatably connected with a longitudinally arranged lifting screw 9-3, each lifting screw 9-3 is installed with a slider through a nut, and a transversely arranged guide roller 9-1 is rotatably connected between the two sets of sliders; it also includes a scale fine-tuning knob installed on each lifting screw 9-3.

[0037] In addition, in order to play a protective role, the present embodiment also includes a protective cover 8 which is set on the knife roller seat structure 6 and is arranged outside the multiple groups of upper suction covers 5-1, and a handle is installed on the protective cover 8.

[0038] Working principle:

[0039] In the actual working process, by setting the guide roller assembly 9, the wide aluminum strip can be guided so that the aluminum strip can pass between the lower knife shaft 7-6 and the upper knife shaft 7-7 in the slitting assembly 7. The rotating lower knife shaft 7-6 and the upper knife shaft 7-7 can drive the multi-component circular cutting knives installed thereon to rotate, thereby slitting the wide aluminum strip into small aluminum strips, thereby achieving the purpose of slitting the aluminum strip, so as to facilitate the subsequent cold bending forming operation; during the slitting operation, the multiple groups of upper suction hoods 5-1 and the multiple groups of guide suction shells 5-4 in the cleaning assembly 5 can be The upper and lower directions can suck the debris attached to each upper circular cutting knife 7-8 to prevent the debris from affecting subsequent processing operations. In addition, the two groups of cleaning sponges 5-2 can clean the debris attached to multiple groups of lower circular cutting knives 7-4 to prevent the debris from affecting subsequent processing operations; in addition, the above-mentioned multiple groups of upper suction hoods 5-1, multiple groups of guide suction shells 5-4 and lower air collecting hoods 5-5 can simultaneously suck the smoke and dust generated during cutting while absorbing the debris, to prevent the smoke and dust generated during the cutting operation from diffusing in the production workshop to pollute the environment and endanger the health of the workers.

Claims

1. A cutting device for photovoltaic support processing, characterized by: The invention comprises a frame (1), a slitting installation seat (4) is installed in the middle of the frame (1), a knife roller seat structure (6) is installed on the slitting installation seat (4), a slitting assembly (7) for slitting operation is installed on the knife roller seat structure (6), the slitting assembly (7) comprises a lower knife shaft (7-6) and an upper knife shaft (7-7) which are distributed up and down and have adjustable spacing, a plurality of groups of upper slitting circular knives (7-8) are installed on the upper knife shaft (7-7) along the axial direction thereof, and a plurality of groups of upper slitting circular knives (7-8) are installed on the lower knife shaft (7-6). The machine frame (6) is provided with a plurality of groups of lower circular slitting knives (7-4) distributed along its axial direction, and the plurality of groups of upper circular slitting knives (7-8) and the plurality of groups of lower circular slitting knives (7-4) are arranged in pairs; the machine frame (6) also includes a cleaning assembly (5) installed on the knife roller seat structure (6) for cleaning the plurality of groups of upper circular slitting knives (7-8) and the plurality of groups of lower circular slitting knives (7-4); the machine frame (1) also includes a transmission drive assembly (11) connected to the slitting assembly (7) for driving the lower knife shaft (7- 6) and an upper knife shaft (7-7); also includes a suction fan connected to the cleaning component (5) through a gas pipeline; the cleaning component (5) includes a plurality of upper suction covers (5-1) installed on the knife roller seat structure (6) and respectively covering a plurality of upper slitting circular knives (7-8), each of the upper suction covers (5-1) being connected to the suction fan, and also includes an upper grooved guide bar (5-3) installed on the knife roller seat structure (6), and two adjacent upper grooved guide bars (5-3) being installed on the upper grooved guide bar (5-3) A plurality of guide air suction shells (5-4) are provided between the circular slitting knives (7-8) and are connected to the suction fan, each guide air suction shell (5-4) being hollow and having a plurality of air holes; and a lower air collecting hood (5-5) installed on the knife roller seat structure (6) and located below the slitting assembly (7), the lower air collecting hood (5-5) being connected to the suction fan, and a cleaning sponge (5-2) installed on the lower air collecting hood (5-5) for cleaning the plurality of lower circular slitting knives (7-4).

2. The photovoltaic bracket cutting device according to claim 1, characterized in that: The knife roller seat structure (6) comprises a hollow mounting seat (6-1) mounted on the slitting mounting seat (4), side mounting seats (6-3) are fixedly connected to both ends of the hollow mounting seat (6-1), sliding grooves are provided on the two sets of side mounting seats (6-3), and pivoting mounting rods (6-6) pivotally connected to the side mounting seats (6-3) are provided at the upper open ends of the sliding grooves, and a locking member (6-7) is installed between the side mounting seats (6-3) and the corresponding pivoting mounting rods (6-6) to lock the two. The invention comprises an upper mounting round rod (6-5) and an upper mounting square rod (6-8) mounted between two groups of side mounting seats (6-3), and each upper air suction cover (5-1) is mounted between the upper mounting round rod (6-5) and the upper mounting square rod (6-8); and also comprises a lower grooved guide bar (6-4) mounted between the two groups of side mounting seats (6-3), and a plurality of groups of wedge-shaped guide blocks (6-2) are mounted on the lower grooved guide bar (6-4), and the plurality of groups of wedge-shaped guide blocks (6-2) are respectively arranged corresponding to the plurality of groups of guide air suction shells (5-4).

3. The photovoltaic bracket cutting device according to claim 2, characterized in that: The slitting assembly (7) also includes a lower mounting slide (7-2) and an upper mounting slide (7-3) slidably connected in a slide groove provided on the side mounting stand (6-3); the two ends of the upper knife shaft (7-7) are rotatably connected to the two groups of upper mounting slides (7-3) arranged oppositely through rolling bearings; the two ends of the lower knife shaft (7-6) are rotatably connected to the two groups of lower mounting slides (7-2) arranged oppositely through rolling bearings; it also includes an adjusting screw threaded on the pivot mounting rod (6-6); the lower end of the adjusting screw is rotatably connected to the upper mounting slide (7-3); and a handle installed on the adjusting screw; a spring mounting sleeve (7-1) is installed on the top of each lower mounting slide (7-2); a spring is arranged in the spring mounting sleeve (7-1) and the two ends of the spring are respectively in tight contact with the upper mounting slide (7-3) and the lower mounting slide (7-2).

4. The photovoltaic bracket cutting device according to claim 1, characterized in that: The transmission drive assembly (11) comprises a transmission guide seat (11-4) mounted on the frame (1), a slide groove is provided on the transmission guide seat (11-4), and two groups of sliding blocks are slidably mounted in the slide groove in an upper and lower distribution, universal couplings (11-3) are mounted on both groups of sliding blocks, and the two groups of universal couplings (11-3) are respectively connected to the lower knife shaft (7-6) and the upper knife shaft (7-7); it also comprises a transmission mounting seat (11-1) mounted on the frame (1), drive transmission pairs (11-2) respectively connected to the two groups of universal couplings (11-3) are mounted on the transmission mounting seat (11-1), and it also comprises drive motors respectively connected to the two groups of drive transmission pairs (11-2).

5. The photovoltaic bracket cutting device according to claim 1, characterized in that: The invention also includes a guide roller assembly (9) installed on the knife roller seat structure (6), and the guide roller assembly (9) is located at the feed end of the slitting assembly (7); the guide roller assembly (9) includes two sets of screw seats (9-2) installed on the knife roller seat structure (6) and arranged opposite to each other, each screw seat (9-2) is rotatably connected to a longitudinally arranged lifting screw (9-3), each lifting screw (9-3) is installed with a slider through a nut, and a transversely arranged guide roller (9-1) is rotatably connected between the two sets of sliders; and also includes a scale fine-tuning knob installed on each lifting screw (9-3).

6. The photovoltaic bracket cutting device according to claim 1, characterized in that: A plurality of groups of lower air outlet branch pipes (3) are installed on the slitting mounting seat (4), each of which is connected to a lower air collecting hood (5-5); a lower exhaust main pipe (2) connected to each of the lower air outlet branch pipes (3) is arranged below the slitting mounting seat (4), and the lower exhaust main pipe (2) is connected to a suction fan via a gas pipeline; an upper exhaust main pipe (10) is arranged above the knife roller seat structure (6), and the upper exhaust main pipe (10) is connected to a suction fan via a gas pipeline; each of the upper suction hoods (5-1) and each of the guide suction shells (5-4) are connected to the upper exhaust main pipe (10).

7. The photovoltaic bracket cutting device according to claim 1, characterized in that: It also includes a protective cover (8) which is mounted on the knife roller seat structure (6) and is arranged outside the multiple groups of upper air suction covers (5-1), and a handle is installed on the protective cover (8).

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