Band saw blade spraying device

Abstract

The utility model discloses a band saw blade spraying device, include: oil storage cylinder, the oil storage cylinder is the hollow cylinder for storing the oil body of spraying, oil inlet, the oil inlet is installed on the oil storage cylinder, is used for guiding the outside oil body into the oil storage cylinder inside, the utility model discloses an oil body storage and delivery structure is formed to the oil storage cylinder, oil inlet and oil suction pipe, realizes the directional introduction and stable storage of outside oil body, and the filter assembly and the sealing cover constitute the impurity filtration sealing structure, and the oil body impurity is intercepted and prevents the leakage, and the sealing assembly and the return spring constitute the oil body control structure, and the accurate regulation and control oil body output and cut off, and the oil -spraying cotton and two groups of oiling brush constitute even oiling structure, realize the complete coverage of band saw blade double -sided lubricating film, to finally reached the comprehensive effect of guaranteeing oiling operation continuous stability, improving oil body utilization rate and band saw blade lubrication effect, prolonging device and band saw blade service life, and further greatly improved the practicality of this device.

Description

Technical Field

[0001] This utility model relates to the field of band saw blade spraying technology, specifically a band saw blade spraying device. Background Technology

[0002] In the field of metal processing, band saws are commonly used cutting equipment. Their core working component, the band saw blade, needs to be lubricated during high-speed sawing to reduce friction and heat generation, extend service life, and ensure sawing accuracy. Therefore, band saw blade oiling devices have become key auxiliary equipment for band saws.

[0003] However, existing band saw blade oiling devices still have many technical defects in practical applications. For example, the oil filtration structure of existing devices is simple and mostly uses fixed-installation filter screens. This not only makes it difficult to effectively intercept impurity particles in the oil, but also makes it inconvenient to disassemble and assemble the filter screens. After long-term use, the accumulation of impurities can easily lead to blockage of the oil delivery channel, affecting the normal operation of the device. At the same time, the lack of an effective sealing structure makes it easy for oil to leak from the connection between the filter components and the oil delivery channel, resulting in oil waste and environmental pollution. Therefore, we propose a band saw blade spraying device with efficient filtration, reliable sealing, precise oil control, and uniform oiling functions. Summary of the Invention

[0004] The purpose of this invention is to provide a band saw blade spraying device to solve the problems existing in the operation of the existing device.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a band saw blade spraying device, comprising: an oil storage cylinder, which is a hollow cylinder for storing spraying oil; an oil inlet, which is installed on the oil storage cylinder for introducing external oil into the oil storage cylinder; a filter assembly, which is installed at the oil inlet end of the oil inlet for filtering impurities from the oil entering the oil inlet; a sealing cap, which is disposed on the filter assembly for sealing the connection between the filter assembly and the oil inlet; an oil suction pipe, which is installed on the sealing cap for conveying external oil to the filter assembly; a sealing assembly, which is disposed on the oil storage cylinder for sealing the internal space of the oil storage cylinder to prevent oil leakage; a spray cotton, which is disposed on the sealing assembly for receiving and absorbing the oil output from the oil storage cylinder; and an oiling brush, which is installed on the spray cotton for obtaining oil from the spray cotton and uniformly brushing oil onto the surface of the band saw blade.

[0006] Furthermore, the filter assembly includes a mounting bracket installed at the oil inlet end of the oil inlet. The inner wall of the mounting bracket is provided with grooves on both sides. The top of each end of the groove is provided with an opening groove and a locking hole, respectively. The interior of each set of grooves is slidably connected with a slider that matches the opening groove. The other end of the slider is fixedly connected to a filter plate. The interior of the slider is provided with an elastic locking rod.

[0007] Furthermore, the elastic locking rod includes a locking outer rod installed inside the slider, a locking spring is fixedly connected to the bottom of the inner cavity of the locking outer rod, a locking inner rod is fixedly connected to the top of the locking spring, and the other end of the locking inner rod extends into the inner cavity of the locking hole.

[0008] Furthermore, a sealing ring is installed in the gap between the filter plate and the mounting frame.

[0009] Furthermore, the sealing assembly includes a connecting block installed at the bottom of the inner cavity of the oil reservoir and a movable plate slidably installed in the inner cavity of the oil reservoir. The other end of the movable plate is fixedly connected to an oil drain pipe. Both the oil drain pipe and the movable plate have oil drain holes inside. A sealing rod is fixedly connected to the side of the connecting block near the movable plate.

[0010] Furthermore, a return spring is provided inside the oil storage cylinder, and the return spring is sleeved on the outside of the oil drain pipe. The two ends of the return spring are fixedly connected to the inner wall of the oil storage cylinder and the movable plate, respectively.

[0011] Furthermore, the movable plate and the oil drain pipe are an integral structure and are arranged coaxially.

[0012] Furthermore, the sealing rod and the connecting block are an integral structure, and the sealing rod and the connecting block are arranged coaxially.

[0013] Furthermore, the outer surface of the mounting bracket is provided with external threads, the inner wall of the sealing cover is provided with internal threads, and the mounting bracket and the sealing cover are fixedly connected by threads.

[0014] Furthermore, there are two sets of oiling brushes, and the spacing between the two sets of oiling brushes is adapted to the thickness of the band saw blade.

[0015] Compared with the prior art, the beneficial effects of this utility model are: This invention utilizes an oil storage and transportation structure comprised of an oil reservoir, an oil inlet, and an oil suction pipe to achieve directional introduction and stable storage of external oil. A filter assembly and a sealing cap form an impurity filtration and sealing structure, intercepting impurities in the oil and preventing leakage. A sealing assembly and a return spring form an oil control structure, precisely regulating oil output and cutoff. Oil spraying cotton and two sets of oiling brushes form a uniform oiling structure, achieving complete coverage of the band saw blade's double-sided lubricating film. Ultimately, this invention achieves a comprehensive effect of ensuring continuous and stable oiling operations, improving oil utilization and band saw blade lubrication, and extending the service life of both the device and the band saw blade, thereby greatly enhancing the practicality of the device. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the entire utility model; Figure 2 This is a cross-sectional view of the entire present invention; Figure 3 This is a schematic diagram of the connection between the filter assembly and the sealing cap in this utility model; Figure 4 This is a top view of the filter assembly in this utility model; Figure 5 This is a three-dimensional structural diagram of the mounting bracket in this utility model; Figure 6 This is a three-dimensional structural diagram of the filter plate in this utility model; Figure 7 This is a three-dimensional structural diagram of the elastic locking rod in this utility model.

[0017] In the diagram: 1. Oil reservoir; 2. Oil inlet; 3. Filter assembly; 301. Mounting bracket; 302. Filter plate; 303. Slide groove; 304. Opening groove; 305. Locking hole; 306. Sliding block; 307. Elastic locking rod; 3071. Locking outer rod; 3072. Locking spring; 3073. Locking inner rod; 308. Sealing ring; 4. Sealing cover; 5. Oil suction pipe; 6. Sealing assembly; 601. Oil drain pipe; 602. Movable plate; 603. Oil drain hole; 604. Connecting block; 605. Sealing rod; 607. Return spring; 7. Spray cotton; 8. Oil brush. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] Please see Figure 1-7 This utility model provides a technical solution: a band saw blade spraying device, comprising: Oil reservoir 1 is a hollow cylinder used to store spraying oil. When the device is working, the filtered oil enters the oil reservoir 1 through the oil inlet 2 for storage. When oiling is required, the oil in the oil reservoir 1 can be stably output to the spray cotton 7 through the control of the sealing component 6, providing a continuous oil source for the subsequent oiling brush 8, thereby ensuring the continuous operation of oiling and greatly improving the efficiency of band saw blade oiling.

[0020] Oil inlet 2 is installed on oil storage tank 1 and is used to introduce external oil into the oil storage tank 1. After being transported to the filter assembly 3 by the oil suction pipe 5, the external oil will flow smoothly into the oil storage tank 1 through oil inlet 2. Oil inlet 2 serves as the channel for oil to enter the oil storage tank 1, ensuring that the oil can enter the storage space in a directional and stable manner. This achieves the function of guiding the oil to enter the oil storage tank 1 accurately, thereby greatly improving the convenience and stability of oil storage.

[0021] The filter assembly 3 is installed at the oil inlet end of the oil inlet 2 and is used to filter impurities from the oil entering the oil inlet 2. When the external oil is transported to the filter assembly 3 through the oil suction pipe 5, it first contacts the filter plate 302. The filter plate 302 intercepts impurity particles in the oil. At the same time, the sealing ring 308 prevents the oil from leaking from the gap between the filter plate 302 and the mounting bracket 301. The filtered clean oil then enters the oil inlet 2, thereby achieving the function of removing impurities from the oil and preventing impurities from affecting subsequent operations, thus greatly improving the cleanliness of the oil and the service life of the device.

[0022] The sealing cover 4 is installed on the filter assembly 3 and is used to seal the connection between the filter assembly 3 and the oil inlet 2. The sealing cover 4 is fixed by the internal thread engaging with the external thread of the mounting bracket 301, tightly covering the connection between the filter assembly 3 and the oil inlet 2, preventing oil leakage from the connection. At the same time, when it is necessary to maintain the filter plate 302, the sealing cover 4 can be rotated to remove it, providing space for the disassembly and assembly of the filter plate 302. Thus, it achieves the functions of sealing the connection and facilitating the maintenance of the filter plate 302, thereby greatly improving the sealing performance and maintenance convenience of the device.

[0023] The oil suction pipe 5 is installed on the sealing cover 4 and is used to transport external oil to the filter assembly 3. The operator connects one end of the oil suction pipe 5 to an external oil source. Under pressure or by gravity, the external oil flows along the oil suction pipe 5 to the filter assembly 3 for impurity filtration. The oil suction pipe 5 provides a stable channel for oil to enter the device from the outside, thereby achieving the function of directional transportation of external oil and greatly improving the efficiency and stability of oil replenishment.

[0024] The sealing component 6 is installed on the oil reservoir 1 to seal the internal space of the oil reservoir 1 to prevent oil leakage. When oiling is required, the oil drain pipe 601 is pushed to move the movable plate 602, causing the sealing rod 605 to disengage from the oil drain hole 603, and the oil enters the oil drain pipe 601 through the oil drain hole 603. After oiling is completed, the return spring 607 pushes the movable plate 602 to return to its original position, and the sealing rod 605 is reinserted into the oil drain hole 603 to seal the oil. At the same time, the movable plate 602 is tightly fitted with the inner wall of the oil reservoir 1 to prevent oil leakage from the periphery of the movable plate 602, thereby achieving the functions of controlling oil output and sealing the oil reservoir 1, and thus greatly improving the accuracy of oil control and the sealing performance of the device.

[0025] The spray cotton 7 is installed on the sealing assembly 6 to receive and absorb the oil output from the oil reservoir 1. The oil output from the oil drain pipe 601 drips onto the spray cotton 7. The spray cotton 7 absorbs the oil through its porous structure and distributes it evenly, avoiding direct dripping and waste. At the same time, it slowly permeates the oil into the oiling brush 8, thereby achieving the function of evenly absorbing and temporarily storing the oil, which greatly improves the utilization rate of the oil and the uniformity of the oiling.

[0026] Oiling brush 8 is installed on oil spraying cotton 7 and is used to obtain oil from oil spraying cotton 7 and apply oil evenly to the surface of the band saw blade. After the oiling brush 8 absorbs oil from oil spraying cotton 7, when the band saw blade passes between the two sets of oiling brushes 8, the two sets of oiling brushes 8 contact the surface of the band saw blade from the top and bottom sides respectively, and apply oil evenly to the band saw blade to form a complete lubricating film. This achieves the effect of evenly applying oil to the surface of the band saw blade, thereby greatly improving the lubrication effect and service life of the band saw blade.

[0027] Furthermore, the filter assembly 3 includes a mounting bracket 301 installed at the oil inlet end of the oil inlet 2. The mounting bracket 301 has grooves 303 on both sides of its inner wall. Each end of the groove 303 has an opening groove 304 and a locking hole 305 at its top. Sliding sliders 306, adapted to the opening grooves 304, are slidably connected inside both sets of grooves 303. A filter plate 302 is fixedly connected to the other end of the slider 306. An elastic locking rod 307 is provided inside the slider 306. When assembling the filter assembly 3… Slide the slider 306 from the opening slot 304 into the slide groove 303, push the filter plate 302 to move the slider 306 to the locking hole 305, and insert the locking inner rod 3073 of the elastic locking rod 307 into the locking hole 305 to fix the filter plate 302; when disassembling, press the locking inner rod 3073 to disengage from the locking hole 305, and pull the slider 306 out of the opening slot 304 along the slide groove 303, thereby achieving the function of quick assembly and disassembly of the filter plate 302, and thus greatly improving the maintenance efficiency of the filter assembly 3.

[0028] Furthermore, the elastic locking rod 307 includes a locking outer rod 3071 installed inside the slider 306. A locking spring 3072 is fixedly connected to the bottom of the inner cavity of the locking outer rod 3071, and a locking inner rod 3073 is fixedly connected to the top of the locking spring 3072. The other end of the locking inner rod 3073 extends into the inner cavity of the locking hole 305. When the slider 306 slides in the slide groove 303, the locking inner rod 3073 is compressed by the inner wall of the slide groove 303, causing the locking spring 3072 to retract into the locking outer rod 3071. When the slider 306 reaches the position of the locking hole 305, the locking spring 3072 resets and pushes the locking inner rod 3073 into the locking hole 305, fixing the slider 306 and the filter plate 302, thereby achieving the function of automatically locking the position of the filter plate 302, which greatly improves the stability and convenience of assembling the filter assembly 3.

[0029] Furthermore, a sealing ring 308 is installed in the gap between the filter plate 302 and the mounting bracket 301. When the oil passes through the filter plate 302 for filtration, the sealing ring 308 fills the gap between the filter plate 302 and the mounting bracket 301, preventing the oil from leaking out of the gap. This ensures that all the oil is filtered by the filter plate 302 before entering the oil inlet 2, thereby achieving the function of sealing the gap between the filter plate 302 and the mounting bracket 301, and thus greatly improving the filtration effect and sealing performance of the filter assembly 3.

[0030] Furthermore, the sealing assembly includes a connecting block 604 installed at the bottom of the inner cavity of the oil reservoir 1 and a movable plate 602 slidably installed in the inner cavity of the oil reservoir 1. The other end of the movable plate 602 is fixedly connected to an oil drain pipe 601. Both the oil drain pipe 601 and the movable plate 602 have oil drain holes 603 inside. A sealing rod 605 is fixedly connected to the side of the connecting block 604 near the movable plate 602. When oil needs to be drained, the oil drain pipe 601 is pushed to move the movable plate 602 toward the connecting block 604, and the sealing rod 605 is pulled out from the oil drain hole 603. The oil in the oil reservoir 1 enters the oil drain pipe 601 through the oil drain hole 603. When oil draining stops, the movable plate 602 is reset, and the sealing rod 605 is inserted into the oil drain hole 603 to block the flow of oil, thereby achieving the function of controlling the discharge and cut-off of oil, and thus greatly improving the controllability of oil output.

[0031] Furthermore, a return spring 607 is installed inside the oil reservoir 1, and the return spring 607 is sleeved on the outside of the oil drain pipe 601. The two ends of the return spring 607 are fixedly connected to the inner wall of the oil reservoir 1 and the movable plate 602, respectively. When the oil drain pipe 601 is pushed, the movable plate 602 squeezes the return spring 607 to deform it. After the oil drain pipe 601 is released, the return spring 607 restores its elastic deformation, pushes the movable plate 602 to drive the oil drain pipe 601 back to the initial position, and causes the sealing rod 605 to automatically insert into the oil drain hole 603, thereby achieving the function of automatically resetting the movable plate 602 and the oil drain pipe 601, which greatly improves the convenience of operation and the accuracy of resetting of the sealing assembly 6.

[0032] Furthermore, the movable plate 602 and the oil drain pipe 601 are an integral structure and are arranged coaxially. When the oil drain pipe 601 is pushed, the movable plate 602 can move synchronously and smoothly with the oil drain pipe 601, avoiding oil leakage or asynchronous movement due to loose connection. At the same time, the coaxial arrangement ensures that the oil drain hole 603 is always aligned with the sealing rod 605, ensuring the sealing effect. This enhances the connection stability between the movable plate 602 and the oil drain pipe 601, thereby greatly improving the working reliability of the sealing assembly 6.

[0033] Furthermore, the sealing rod 605 and the connecting block 604 are an integral structure, and the sealing rod 605 and the connecting block 604 are arranged coaxially. The integral structure prevents the connection between the sealing rod 605 and the connecting block 604 from becoming loose, ensuring that the position of the sealing rod 605 is fixed. The coaxial arrangement allows the sealing rod 605 to be accurately inserted into the oil drain hole 603, achieving effective sealing and preventing oil leakage. This ensures the stability of the position of the sealing rod 605 and the accuracy of the sealing, thereby greatly improving the sealing effect of the sealing assembly 6.

[0034] Furthermore, the outer surface of the mounting bracket 301 is provided with external threads, and the inner wall of the sealing cover 4 is provided with internal threads. The mounting bracket 301 and the sealing cover 4 are fixedly connected by threads. When installing the sealing cover 4, the inner thread of the sealing cover 4 is aligned with the external thread of the mounting bracket 301 and rotated to fix the two. When disassembling, the two can be separated by rotating in the opposite direction. The operation is simple and the connection is tight. At the same time, the threaded connection can compress the sealing ring 308 to enhance the sealing performance. This achieves the functions of convenient disassembly and assembly of the sealing cover 4 and enhanced sealing effect, thereby greatly improving the convenience of device maintenance and sealing performance.

[0035] Furthermore, there are two sets of oiling brushes 8, and the spacing between the two sets of oiling brushes 8 is adapted to the thickness of the band saw blade. When the band saw blade passes between the two sets of oiling brushes 8, the two sets of oiling brushes 8 can simultaneously contact the upper and lower surfaces of the band saw blade, evenly applying the oil to both sides of the band saw blade, avoiding any oil leakage or uneven application, thereby achieving the effect of evenly applying oil to both sides of the band saw blade, and thus greatly improving the lubrication effect and sawing stability of the band saw blade.

[0036] Working Principle: To meet the continuous and stable requirements of band sawing operations in the metal processing field and to avoid increased wear or decreased sawing accuracy due to frictional heat during high-speed cutting, this band saw blade spraying device is widely used in the lubrication pretreatment stage before band sawing. Through automated oiling, it ensures the formation of a uniform lubricating film on the band saw blade surface, extending its service life and improving sawing efficiency. Before actual application, the filter assembly 3 must be assembled to ensure the subsequent oil filtration effect. The operator first aligns the sliders 306 fixed on both sides of the filter plate 302 with the grooves 303 opened on the inner wall of the mounting bracket 301, and smoothly pushes them in from one side of the opening slot 304 along the groove 303 until the slider 306 moves to the position corresponding to the end of the groove 303 and the locking hole 305. At this time, the locking spring 3072 in the elastic locking rod 307 inside the slider 306 releases its elastic potential energy, pushing the locking inner rod 3073 out and inserting it into the locking hole 3. The inner cavity 05 allows for quick positioning and fixing of the filter plate 302 and the mounting bracket 301. Then, a sealing ring 308 is embedded in the gap between the filter plate 302 and the mounting bracket 301. Finally, the sealing cover 4 is aligned with the end of the mounting bracket 301, and the fixing is completed by the engagement of the external thread of the mounting bracket 301 and the internal thread of the sealing cover 4. This not only enhances the sealing of the filtration process through the sealing ring 308 and prevents oil leakage, but more importantly, it provides convenient conditions for the subsequent replacement and cleaning of the filter plate 302, allowing for quick disassembly and assembly without damaging the component structure.

[0037] When the device is put into use, the first step is to add spraying oil. The operator delivers the external oil through the suction pipe 5 to the oil inlet 2. At this point, the assembled filter assembly 3 begins to function. The oil first contacts the filter plate 302, which effectively intercepts impurities mixed in the oil, preventing them from entering the subsequent conveying process and causing blockages or scratches on the band saw blade surface. Simultaneously, the sealing ring 308 between the filter plate 302 and the mounting bracket 301 further ensures the sealing of the filtration process. After filtration, the oil passes through the oil inlet 2. Successfully enters the oil storage tank 1. As a hollow cylinder, the oil storage tank 1 can stably store the oil, providing a continuous oil source for subsequent oiling operations. When maintenance is required on the filter plate 302, simply rotate the sealing cover 4 counterclockwise to remove it from the mounting bracket 301, press the locking rod 3073 in the locking hole 305 to disengage it from the locking hole 305, and then pull the slider 306 out from one side of the opening groove 304 along the slide groove 303. The filter plate 302 can then be removed for cleaning or replacement. The operation is simple and efficient, and can quickly restore the filtration performance of the filter assembly 3.

[0038] When the band saw blade needs to be oiled, the operator pushes the oil drain pipe 601 into the oil reservoir 1. The oil drain pipe 601 drives the movable plate 602, which is integrally structured and coaxially arranged with it, to slide synchronously. At this time, the return spring 607 sleeved on the outside of the oil drain pipe 601 is squeezed by the movable plate 602 and undergoes elastic deformation. As the movable plate 602 moves, the distance between it and the connecting block 604 gradually decreases. The sealing rod 605, which was originally inserted into the oil drain hole 603 inside the movable plate 602 and the oil drain pipe 601, gradually disengages from the oil drain hole 603. The oil in the oil reservoir 1 can then enter the oil drain pipe 601 through the oil drain hole 603, and then be transported to the oil spray cotton 7 by the oil drain pipe 601. The oil spray cotton 7 can evenly absorb the oil and temporarily store it, avoiding direct dripping and waste. At the same time, it transforms the oil into a stable oil film state through its own absorption characteristics. Subsequently, the oil permeates from the oil spray cotton 7 to the two sets of oiling brushes 8 installed on its surface. Since the spacing between the two sets of oiling brushes 8 is adapted to the thickness of the band saw blade, when the band saw blade enters between the two sets of oiling brushes 8, the oiling brushes 8 can simultaneously apply oil from both the top and bottom sides of the band saw blade, ensuring that a uniform and complete lubricating film is formed on the surface of the band saw blade, effectively reducing the frictional resistance of the band saw blade during the sawing process and reducing the wear rate. After the oiling operation is completed, the operator releases the drain pipe 601, and the return spring 607 pushes the movable plate 602 to move in the opposite direction under the action of elastic restoring force. The movable plate 602 drives the drain pipe 601 back to the initial position, and the sealing rod 605, which is integral with the connecting block 604 and coaxially arranged, is reinserted into the drain hole 603 to achieve the sealing of the drain hole 603, preventing the oil in the oil reservoir 1 from leaking when not in operation. The oil reservoir 1 as a whole maintains the airtightness of the internal space through the synergistic effect of the sealing component 6, further avoiding resource waste and environmental pollution caused by oil leakage.

[0039] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

Claims

1. A band saw blade spraying device, characterized in that, include: Oil storage cylinder (1), the oil storage cylinder (1) is a hollow cylinder for storing spraying oil; oil inlet (2), the oil inlet (2) is installed on the oil storage cylinder (1) for introducing external oil into the oil storage cylinder (1); filter assembly (3), the filter assembly (3) is installed at the oil inlet end of the oil inlet (2) for filtering impurities from the oil entering the oil inlet (2); sealing cap (4), the sealing cap (4) is set on the filter assembly (3) for sealing the connection between the filter assembly (3) and the oil inlet (2); oil suction pipe (5), the oil storage cylinder (1) is a hollow cylinder for storing spraying oil; oil inlet (2 ...2) is a hollow cylinder for storing spraying oil; oil inlet (2), the oil storage cylinder (2) is a hollow cylinder for storing spraying oil; oil inlet (2), the oil storage cylinder (2) is a hollow cylinder for storing spraying oil; oil inlet (2), the oil storage cylinder (2) is installed on the oil storage cylinder (1) for introducing external oil into the oil storage cylinder (1); filter assembly (3), the filter assembly (3) is installed at the oil inlet end of the oil inlet (2) for filtering impurities from the oil inlet (2); oil inlet (2), the oil inlet (2) is installed on the oil storage cylinder (1) for introducing external oil into the oil storage cylinder (1); oil inlet (2), the oil inlet (2) is installed on the oil storage cylinder (1) for introducing external oil into the oil storage cylinder (1); oil inlet (2), the oil inlet (2) is installed on the oil storage An oil suction pipe (5) is installed on a sealing cap (4) for conveying external oil to a filter assembly (3); a sealing assembly (6) is installed on an oil storage cylinder (1) for sealing the internal space of the oil storage cylinder (1) to prevent oil leakage; an oil spraying cotton (7) is installed on the sealing assembly (6) for receiving and absorbing oil output from the oil storage cylinder (1); and an oiling brush (8) is installed on the oil spraying cotton (7) for obtaining oil from the oil spraying cotton (7) and uniformly brushing oil onto the surface of the band saw blade.

2. The band saw blade spraying device according to claim 1, characterized in that: The filter assembly (3) includes a mounting bracket (301) installed at the oil inlet end of the oil inlet (2). The mounting bracket (301) has grooves (303) on both sides of its inner wall. The top of each end of the groove (303) has an opening groove (304) and a locking hole (305). The two sets of grooves (303) are slidably connected to sliders (306) that are adapted to the opening grooves (304). The other end of the slider (306) is fixedly connected to a filter plate (302). The slider (306) is provided with an elastic locking rod (307).

3. The band saw blade spraying device according to claim 2, characterized in that: The elastic locking rod (307) includes a locking outer rod (3071) installed inside the slider (306), a locking spring (3072) is fixedly connected to the bottom of the inner cavity of the locking outer rod (3071), a locking inner rod (3073) is fixedly connected to the top of the locking spring (3072), and the other end of the locking inner rod (3073) extends into the inner cavity of the locking hole (305).

4. A band saw blade spraying device according to claim 2, characterized in that: A sealing ring (308) is installed in the gap between the filter plate (302) and the mounting bracket (301).

5. A band saw blade spraying device according to claim 1, characterized in that: The sealing assembly includes a connecting block (604) installed at the bottom of the inner cavity of the oil reservoir (1) and a movable plate (602) slidably installed in the inner cavity of the oil reservoir (1). The other end of the movable plate (602) is fixedly connected to an oil drain pipe (601). Both the oil drain pipe (601) and the movable plate (602) have oil drain holes (603) inside. A sealing rod (605) is fixedly connected to the side of the connecting block (604) near the movable plate (602).

6. A band saw blade spraying device according to claim 5, characterized in that: The oil reservoir (1) is equipped with a return spring (607), and the return spring (607) is sleeved on the outside of the oil drain pipe (601). The two ends of the return spring (607) are fixedly connected to the inner wall of the oil reservoir (1) and the movable plate (602), respectively.

7. A band saw blade spraying device according to claim 5, characterized in that: The movable plate (602) and the oil drain pipe (601) are an integral structure and are arranged coaxially.

8. A band saw blade spraying device according to claim 5, characterized in that: The sealing rod (605) and the connecting block (604) are an integral structure, and the sealing rod (605) and the connecting block (604) are arranged coaxially.

9. A band saw blade spraying device according to claim 2, characterized in that: The mounting bracket (301) has external threads on its outer surface, and the sealing cover (4) has internal threads on its inner wall. The mounting bracket (301) and the sealing cover (4) are fixedly connected by threads.

10. A band saw blade spraying device according to claim 1, characterized in that: There are two sets of the oiling brushes (8), and the spacing between the two sets of oiling brushes (8) is adapted to the thickness of the band saw blade.

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