A kind of abrasive belt grinding equipment for hardware workpieces

Abstract

The present invention relates to the field of workpiece grinding, and in particular to a sanding belt grinding device for hardware workpieces, including a grinder and a cover, etc.; the grinder is provided with a cover. The present invention intercepts most of the dust and metal debris through a protective plate, and finally uses the suction force generated by the air hood to draw them into a second exhaust pipe for discharge, thereby avoiding a large amount of dust and metal debris adhering to the brush wheel; a large gap is created between the bristles through an insert block, and when the bristles are gradually separated from the insert block, the elastic rebound of the bristles themselves is used to shake off the dust and metal debris attached to the bristles, so that the brush wheel always remains clean after long-term use; the sanding belt is pulled to the front and rear sides by a lever, and then the sanding belt is pulled out of the grooves of the driving wheel and the adjusting wheel. At this time, the worker only needs to pull the sanding belt upward, which greatly facilitates the workers to replace the sanding belt.

Description

Technical Field

[0001] The invention relates to the field of workpiece grinding, in particular to an abrasive belt grinding device for hardware workpieces. Background Art

[0002] During the workpiece grinding process, when it comes to the grinding of special-shaped workpieces, when it is necessary to accurately grind the uneven surfaces of special-shaped workpieces, conventional grinding equipment only drives a grinding belt to rotate, and grinds by friction between the grinding belt and the workpiece. When grinding the concave parts of special-shaped workpieces, an R-position grinder is required to grind them. The R-position grinder can adapt to the grinding of workpieces with different concave arc surfaces by adjusting the expansion angle of the grinding belt in the spindle area and replacing the spindle. In the process of adjusting the grinding belt, it is necessary to add a suction structure to suck the powder generated during the grinding process, and at the same time, it is necessary to use a cover to cover the entire grinding belt to facilitate the suction of dust. Work, and in the process of adjusting the sanding belt, the sanding belt is restricted by the cover and cannot be adjusted at a large angle, which affects the grinding of the workpiece, and in the existing sanding belt grinding process, a layer of metal powder is easily adhered to its surface, and the sanding belt needs to be stopped for cleaning. In the existing method, during the rotation of the sanding belt, the sanding belt is cleaned by using bristles. Although the metal powder can be cleaned, during the dust suction process, the powder in the cover is easy to adhere to the bristles, and the metal debris sucked into the cover will also adhere to the bristles, thereby gradually reducing the cleaning effect of the bristles on the sanding belt. At the same time, the metal debris adhered to the bristles will also scratch the sanding belt.

[0003] At the same time, the existing R-position grinder needs to use three rotating wheels to tension and limit the sanding belt, and in order to prevent the sanding belt from running off course, a groove for the sanding belt is set at each rotating wheel, so that the sanding belt is embedded in the rotating wheel to prevent it from running off course. This causes workers to be easily stuck in the groove when removing the sanding belt, and the workers are required to remove the sanding belt along the groove on the rotating wheel. In addition, the existing equipment is designed to fit closely with the sanding belt, resulting in limited space for workers to remove the sanding belt, making it difficult to remove the sanding belt. At the same time, the existing R-position sanding belt machine uses three sets of rotating wheels for tensioning work. Workers need to remove the sanding belt along the groove of a single rotating wheel, and then turn to another rotating wheel to repeat the disassembly work, which makes it inconvenient for workers to remove and replace the sanding belt. Summary of the invention

[0004] In order to overcome the disadvantage that the existing cover shell cannot be adjusted in real time following the adjustment of the sanding belt, which affects the sanding belt's ability to adapt to the concave part of the workpiece, the present invention provides a sanding belt grinding device for hardware workpieces.

[0005] The technical solution is as follows: A sanding belt grinding device for hardware workpieces, including a grinder, a cover and a bearing plate; a cover is provided on the grinder; a bearing plate is installed on the grinder; it also includes an adjustment plate, an exhaust assembly and a protective plate; two adjustment plates for adjusting the cover shielding space are connected to the cover; a first rotating part is provided between each cover and the adjustment plate; an exhaust assembly for preventing dust from floating is installed on the cover; and a protective plate is provided on the exhaust assembly to prevent splashing impurities from falling into the cover.

[0006] In addition, it is particularly preferred that the exhaust assembly includes a first exhaust pipe, a second exhaust pipe and an air hood; the left side of the cover is connected to the first exhaust pipe for preventing dust accumulation in the cover, and the first exhaust pipe is connected to an external exhaust device; the front and rear sides of the first exhaust pipe are both connected to a second exhaust pipe, and the second exhaust pipe is connected to an external exhaust device; two air hoods are slidably connected to the cover to prevent dust from escaping in the grinding area.

[0007] In addition, it is particularly preferred that a DD motor and a brush wheel are further included; the DD motor is fixedly connected to the air hood located at the rear side of the housing; and the brush wheel is fixedly connected to the lower rotating end of the DD motor to prevent impurities from adhering to the surface of the sanding belt.

[0008] In addition, it is particularly preferred that a top block is further included; a second rotating part is arranged at the front side of the protective plate; and a plurality of top blocks for improving the cleaning effect of the brush wheel are fixedly connected to the rotating end of the DD motor.

[0009] In addition, it is particularly preferred that an insert block is further included; the left side of the protective plate is fixedly connected with the insert block to prevent impurities from remaining on the brush wheel.

[0010] Furthermore, it is particularly preferred that the two air hoods are located at the front side and the rear side of the sanding machine, respectively.

[0011] Furthermore, it is particularly preferred that the bristles on the brush wheel are spiral-shaped.

[0012] In addition, it is particularly preferred that an auxiliary system is also included, the auxiliary system includes a lever and a fixing plate; a fixing plate is fixedly connected to the lower side of each adjustment plate; and a lever is fixedly connected to each fixing plate for workers to remove the sanding belt easily.

[0013] In addition, it is particularly preferred that a connecting block is further included; a connecting block is connected to the front side and the rear side of the grinder; and each connecting block is detachably connected to the lower side of the adjacent gas hood.

[0014] Furthermore, it is particularly preferred that each lever is cylindrical.

[0015] Compared with the prior art, the present invention has the following advantages: the present invention realizes intercepting most of the dust and metal debris by the protective plate, and finally using the suction force generated by the air hood to draw them into the second exhaust pipe for discharge, thereby preventing a large amount of dust and metal debris from adhering to the brush wheel;

[0016] The insert block creates a large gap between the bristles. When the bristles are gradually separated from the insert block, the bristles use their own elastic rebound to shake off the dust and metal debris attached to the bristles, so that the brush wheel always remains clean after long-term use.

[0017] The sanding belt is pulled to the front and rear sides by the lever, and then the sanding belt is pulled out from the grooves of the driving wheel and the adjusting wheel. At this time, the worker only needs to pull the sanding belt upwards, which greatly facilitates the worker's work of replacing the sanding belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the abrasive belt grinding equipment for hardware workpieces of the present invention;

[0019] Figure 2 It is a schematic diagram of the internal three-dimensional structure of the cover shell of the present invention;

[0020] Figure 3 It is a schematic diagram of the combined structure of the regulating device, servo motor, driving wheel and regulating wheel of the present invention;

[0021] Figure 4 It is a top view of the combined structure of the air hood, the main shaft, the abrasive belt and the DD motor of the present invention;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the top block and the brush wheel combination of the present invention;

[0023] Figure 6 A top view of the protective plate and the plug block of the present invention;

[0024] Figure 7 It is a schematic diagram of the three-dimensional structure of the first electric slide rail, the first slider and the lever combination of the present invention;

[0025] Figure 8 It is a schematic diagram of the three-dimensional structure of the lever of the present invention;

[0026] Fig. 9 It is a schematic diagram of the three-dimensional structure of the connection block of the present invention.

[0027] In the figure: 1-grinding machine, 2-cover, 3-adjusting plate, 3001-first rotating part, 4-carrying plate, 5-protective plate, 5001-second rotating part, 6-adjusting device, 101-servo motor, 102-first exhaust pipe, 103-driving wheel, 104-adjusting wheel, 105-second exhaust pipe, 106-air hood, 107-spindle, 108-abrasive belt, 109-DD motor, 110-top block, 111-brush wheel, 112-insertion block, 201-first electric slide rail, 202-first slider, 203-dial rod, 204-connecting block, 205-fixed plate, 301-first fixed plate, 302-electric telescopic block, 303-second electric slide rail, 304-second slider, 305-second fixed plate, 306-third electric slide rail, 307-third slider. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.

[0029] Example 1: Figure 1-Figure 6 As shown, a belt grinding device for hardware workpieces includes a grinder 1, a cover 2 and a bearing plate 4; the cover 2 is provided on the grinder 1; the bearing plate 4 is installed on the grinder 1, and the grinder 1 can drive the bearing plate 4 to move up and down, forward and backward, and left and right;

[0030] It also includes an adjustment plate 3, an exhaust assembly and a protective plate 5; two adjustment plates 3 are connected to the cover shell 2; a first rotating part 3001 is arranged between each cover shell 2 and the adjustment plate 3; an exhaust assembly is installed on the cover shell 2; and a protective plate 5 is arranged on the exhaust assembly.

[0031] The grinder 1 includes an adjusting device 6, a servo motor 101, a driving wheel 103, an adjusting wheel 104, a spindle 107 and an abrasive belt 108; the adjusting device 6 is connected to the grinder 1; the servo motor 101 is fixedly connected to the upper side of the grinder 1; the output end of the servo motor 101 passes through the lower side of the cover shell 2 and is fixedly connected to the driving wheel 103; the cover shell 2 is slidably connected to the adjusting wheel 104, and the lower side of the adjusting wheel 104 is connected to the adjusting device 6, and the adjusting device 6 is used to drive the adjusting wheel 104 to move; the spindle 107 is fixedly connected to the right side of the cover shell 2; the driving wheel 103, the adjusting wheel 104 and the spindle 107 are commonly connected to the abrasive belt 108.

[0032] The grinder 1 further comprises a first electric slide rail 201 and a first slider 202 ; the first electric slide rail 201 is fixedly connected to the lower side of the housing 2 ; the first slider 202 is slidably connected to the first electric slide rail 201 ; the first electric slide rail 201 is slidably connected to the spindle 107 .

[0033] The grinder 1 also includes a first fixed plate 301, an electric telescopic block 302, a second electric slide rail 303, a second slider 304, a second fixed plate 305, a third electric slide rail 306 and a third slider 307; the first fixed plate 301 is fixedly connected to the grinder 1; the first fixed plate 301 is fixedly connected to the electric telescopic block 302; the telescopic end of the electric telescopic block 302 is fixedly connected to two second electric slide rails 303 through a connecting plate; the two second electric slide rails 303 are both slidably connected to the second slider 304; the two second sliders 304 are commonly fixedly connected to the second fixed plate 305; the second fixed plate 305 is fixedly connected to the third electric slide rail 306; the third slider 307 is slidably connected to the third electric slide rail 306; the third slider 307 is fixedly connected to the supporting plate 4.

[0034] The exhaust assembly includes a first exhaust pipe 102, a second exhaust pipe 105 and an air hood 106; the first exhaust pipe 102 is connected to the left side of the cover shell 2, and the first exhaust pipe 102 is connected to an external exhaust device; the front and rear sides of the first exhaust pipe 102 are both connected to a second exhaust pipe 105, and the second exhaust pipe 105 is connected to an external exhaust device; two air hoods 106 are slidably connected to the cover shell 2.

[0035] It also includes a DD motor 109 and a brush wheel 111; the DD motor 109 is fixedly connected to the air cover 106 located at the rear side of the housing 2; and the brush wheel 111 is fixedly connected to the lower rotating end of the DD motor 109.

[0036] It also includes a top block 110; a second rotating part 5001 is arranged on the front side of the protective plate 5; and a plurality of top blocks 110 are fixedly connected to the rotating end of the DD motor 109.

[0037] The protective plate 5 further comprises an insert block 112 ; the insert block 112 is fixedly connected to the left side of the protective plate 5 .

[0038] The two air hoods 106 are respectively located at the front and rear sides of the main shaft 107. When dust is generated during the grinding process of the sand belt 108, it is directly sucked away by the air hoods 106 to prevent it from escaping. At the same time, impurities splashed during the grinding process are blocked by the air hoods 106 to prevent the splashed impurities from splashing.

[0039] The bristles on the brush wheel 111 are in a spiral shape. The spiral bristles are easier to bend and penetrate into the tiny gaps on the surface of the object, thereby achieving a better cleaning effect and improving the cleaning effect of the sanding belt 108.

[0040] The difference between the R-position grinding device and the existing grinding device is that the opening angle of the sanding belt 108 in the grinding area can be adaptively adjusted. At the same time, compared with the existing grinding equipment, it can achieve adaptive grinding to adapt to the grooves and protrusions of the workpiece. Before using the R-position grinding device to grind the workpiece, the worker first places the workpiece on the supporting plate 4 on the right side of the grinder 1, and then the worker pulls the adjustment device 6, thereby driving the adjustment wheel 104 to move through the adjustment device 6 to control the gap between the adjustment wheel 104 and the driving wheel 103, and then adjust the sanding belt 108 on the spindle 107. At this time, the first slider 202 is driven to slide left and right by driving the first electric slide rail 201, thereby driving the spindle 107 to move left and right, so that the sanding belt 108 after the opening angle is adjusted in real time, so that the sanding belt 108 adapts to the concave arc surface of the workpiece for grinding. When the adjustment wheel 104 is adjusted, the second slider 304 is controlled by the CNC system to move on the second electric slide rail 303, thereby controlling the height of the carrier plate 4, and the third slider 307 is controlled to slide on the third electric slide rail 306 to control the forward and backward movement of the carrier plate 4 , by controlling the extension and retraction of the telescopic end of the electric telescopic block 302, controlling the bearing plate 4 to move left and right, so that the bearing plate 4 drives the workpiece to contact the abrasive belt 108, and then starting the servo motor 101 to rotate counterclockwise based on the view from top to bottom, thereby driving the driving wheel 103 to rotate counterclockwise. At this time, the abrasive belt 108 is tensioned between the driving wheel 103, the adjusting wheel 104 and the spindle 107, thereby driving the abrasive belt 108 to rotate counterclockwise through friction, thereby grinding the workpiece. In this process, the abrasive belt 108 is covered by the cover 2, and then the peripheral The exhaust device exhausts air from the first exhaust pipe 102, and while preventing external gas from carrying impurities and directly contacting the sanding belt 108 through the cover 2 to hinder its normal grinding, it intercepts external dust from entering the driving wheel 103, the adjusting wheel 104 and the main shaft 107, and prevents the driving wheel 103, the adjusting wheel 104 and the main shaft 107 from being stuck in the dust and damaged. At the same time, the first exhaust pipe 102 is exhausted, so that the external air enters the cover 2 through the main shaft 107, and is then sucked away by the first exhaust pipe 102, thereby avoiding the generation of dust during grinding.

[0041] In the above-mentioned process of controlling the adjusting wheel 104, since the existing cover shell 2 cannot be adjusted, the adjustable angle of the sanding belt 108 is limited by the cover shell 2. When the opening angle of the sanding belt 108 needs to be adjusted, the worker first rotates the rear adjustment plate 3 backward with the first rotating part 3001 as the rotating point, so that the adjusting plate 3 rotates backward with the first rotating part 3001 as the rotating point, and then pulls the adjusting device 6 to move the adjusting wheel 104 backward, so that the opening angle of the sanding belt 108 on the main shaft 107 gradually increases, and then adapts to the recessed part of the workpiece. In this process, the space on the rear side of the cover shell 2 is increased by controlling the adjusting plate 3, so that the adjusting wheel 104 is not limited by the cover shell 2 when adjusted, resulting in the adjustment degree of the adjusting wheel 104 being limited to a small range of adjustment.

[0042] During the process of grinding the workpiece with the sand belt 108, since the grinding area above the supporting plate 4 is far away from the first exhaust pipe 102, the suction effect provided by the first exhaust pipe 102 is limited, and the dust in the grinding area and the metal debris under grinding are affected by the rotation of the sand belt 108 to produce splashing, causing dust diffusion and metal debris splashing in the grinding area, which will cause dust diffusion in the grinding area, polluting the working environment, and easily causing harm to the workers' health. At the same time, the splashed metal debris is difficult to collect. In order to avoid this phenomenon, by adding air hoods 106 on both sides of the main shaft 107, when the first exhaust pipe 102 starts to exhaust air, by adding new The exhaust device is connected to the second exhaust pipe 105, so that the second exhaust pipe 105 starts to exhaust air synchronously, and then the air hood 106 generates a suction force, and the dust diffused in the grinding area is sucked into the air hood 106 to avoid powder diffusion. At the same time, based on the view from top to bottom, since the sanding belt 108 rotates counterclockwise during the grinding process, the workpiece on the supporting plate 4 blocks the metal debris from splashing to the right. After the metal debris is separated from the workpiece, the sanding belt 108 rotates counterclockwise and drives the metal debris to splash backward, so that the metal debris flies to the air hood 106 on the rear side, and the air hood 106 is used to intercept the metal debris to prevent the metal debris from splashing to other areas where it is difficult to handle.

[0043] In the process of grinding the workpiece with the sand belt 108, considering that the surface of the sand belt 108 is easy to adhere to the metal powder produced by grinding, if the sand belt 108 is not cleaned, the grinding effect of the sand belt 108 will gradually deteriorate, that is, the grinding layer of the sand belt 108 will gradually be filled with metal powder, which will lead to a low grinding effect of the workpiece. In order to avoid this phenomenon, based on the view from top to bottom, the DD motor 109 is started to rotate counterclockwise, thereby driving the brush wheel 111 to rotate counterclockwise, and then the metal powder attached to the surface of the sand belt 108 is brushed off. After the adjusting wheel 104 is adjusted, the opening angle of the sand belt 108 changes. In order to avoid excessive contact between the bristles on the brush wheel 111 and the sand belt 108, the worker manually adjusts the distance between the rear air hood 106 and the spindle 107 The distance between them is such that even if the air hood 106 at the rear side slides adaptively on the cover shell 2, the brush wheel 111 is always in contact with the surface of the sanding belt 108 for cleaning. In the process of cleaning the sanding belt 108, dust and metal debris sucked into the cover shell 2 are easily adhered to the surface of the brush wheel 111. Then, when the brush wheel 111 is used to clean the sanding belt 108, the cleaning effect of the sanding belt 108 becomes poor, and the metal debris attached to the brush wheel 111 will also wear the sanding belt 108. At this time, most of the dust and metal debris are intercepted by the protective plate 5 arranged in the rear air hood 106, and finally the suction force generated by the air hood 106 is used to draw them into the second exhaust pipe 105 for discharge, thereby avoiding a large amount of dust and metal debris adhering to the brush wheel 111. At the same time, In order to avoid mutual wear between the protective plate 5 and the sanding belt 108 during the operation of the sanding belt 108, the protective plate 5 cannot be completely attached to the surface of the sanding belt 108, so that a small amount of dust and metal debris are still easy to float to the brush wheel 111. When the DD motor 109 is started to drive the brush wheel 111 to rotate counterclockwise, the bristles on the brush wheel 111 contact the plug block 112, and then are hindered by the plug block 112 and bend, so that there is a large gap between the bristles that are not in contact with the plug block 112. When the bristles are gradually separated from the plug block 112, the elastic rebound of the bristles themselves is used to shake off the dust and metal debris attached to the bristles, and the shaken-off dust and metal debris are directly sucked away through the air hood 106 and the second exhaust pipe 105, so that the brush wheel 11 1 After long-term use, it always keeps a clean state, and the sanding belt 108 can be continuously cleaned without workers removing the brush wheel 111 for cleaning. At the same time, during the rotation of the DD motor 109, the DD motor 109 also drives the top block 110 to rotate, thereby pushing the second rotating part 5001 to swing. It should be noted that: during the swinging of the second rotating part 5001, the insert block 112 is always in contact with the bristles on the brush wheel 111, and the bristles on the brush wheel 111 are slapped during the swinging of the second rotating part 5001, thereby shaking off the dust on the bristles, and at the same time, the insert block 112 cooperates with the dust on the bristles to thoroughly clean, thereby avoiding the accumulation of a large amount of dust on the brush wheel 111 during long-term use, and ensuring the cleaning effect of the sanding belt 108.

[0044] Embodiment 2: Based on embodiment 1, Figure 7-Figure 9 As shown, an auxiliary system is also included, which includes a lever 203 and a fixing plate 205 ; a fixing plate 205 is fixedly connected to the lower side of each adjustment plate 3 ; and a lever 203 is fixedly connected to each fixing plate 205 .

[0045] It also includes a connecting block 204; the front side and the rear side of the main shaft 107 are detachably connected to a connecting block 204; each connecting block 204 is detachably connected to the lower side of the adjacent gas hood 106.

[0046] Each lever 203 is cylindrical, so that the abrasive belt 108 is not easily scratched by the lever 203 when being pulled.

[0047] After long-term use, when the sanding belt 108 is severely worn and needs to be disassembled and replaced, due to the setting of the cover 2, the tensioning of the sanding belt 108 between the driving wheel 103, the adjusting wheel 104 and the main shaft 107, and the overall length of the sanding belt 108, it is inconvenient for workers to disassemble the sanding belt 108. In order to facilitate the workers to disassemble the sanding belt 108, the servo motor 101 is stopped, and then the first electric slide rail 201 is controlled to move the first slider 202 to the left, thereby driving the main shaft 107 to move to the left, and then loosening the sanding belt. 108, and then the worker opens the upper side of the cover 2 and takes out the loosened sanding belt 108. In this process, in order to prevent the sanding belt 108 from deviating, the driving wheel 103 and the adjusting wheel 104 are both provided with grooves, so that the sanding belt 108 is embedded in the groove to prevent it from deviating. However, the setting of the groove is easy to get stuck when the worker pulls out the sanding belt 108. At this time, the worker needs to pull out the sanding belt 108 embedded in the groove of the driving wheel 103 first, and then go to the position of the adjusting wheel 104 to pull the sanding belt 108 in the groove. The entire sanding belt 108 can be removed only after it is removed. The entire step is relatively cumbersome, and the overall activity space on the front side of the driving wheel 103 is narrow. It is difficult for workers to remove the sanding belt 108. When the sanding belt 108 needs to be removed, the upper side of the cover 2 is opened, and the worker pulls the two adjustment plates 3 to rotate away from the sanding belt 108 with the first rotating part 3001 as the rotating point, thereby driving the fixing plate 205 and the lever 203 to gradually approach the sanding belt 108, and then pulls the sanding belt 108 to the front and rear sides respectively. The sanding belt 108 moves to the rear side. At this time, after the main shaft 107 moves to the left, the right side of the sanding belt 108 is in a relaxed state, and then the sanding belt 108 is pulled out of the grooves embedded in the driving wheel 103 and the adjusting wheel 104. At this time, the worker only needs to pull the sanding belt 108 upward. Since the right ends of the two adjusting plates 3 are initially close to each other, the worker only needs to stand on the right side of the equipment and pull the adjusting plates 3 with both hands to unfold them, so as to pull out the part of the sanding belt 108 embedded in the groove, which greatly facilitates the workers' work of replacing the sanding belt 108.

[0048] It is also taken into consideration that when the groove position on the workpiece cannot face the main shaft 107, the worker needs to adjust the main shaft 107 to swing it back and forth so that the adjusted main shaft 107 faces the recessed part of the workpiece. This results in the main shaft 107 gradually moving away from one of the air hoods 106 during the adjustment process. In order to keep the distance between the two air hoods 106 and the main shaft 107 consistent and avoid the single air hood 106 being far away from the main shaft 107, resulting in the suction force generated by the single second exhaust pipe 105 being difficult to extract dust, during the worker's adjustment of the main shaft 107, the main shaft 107 drives the air hood 106 to follow the movement through the connecting block 204, so that when the main shaft 107 is adjusted, the distance between the two air hoods 106 and the main shaft 107 can be kept consistent without manual adjustment, thereby avoiding time-consuming and labor-intensive manual adjustment and low adjustment accuracy.

[0049] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A belt grinding device for hardware workpieces, comprising a grinder (1), a cover (2) and a bearing plate (4); the grinder (1) is provided with a cover (2); the bearing plate (4) is installed on the grinder (1); the characteristics are: It also comprises an adjustment plate (3), an exhaust assembly and a protective plate (5); the cover shell (2) is connected with two adjustment plates (3) for adjusting the shielding space of the cover shell (2); a first rotating part (3001) is provided between each cover shell (2) and the adjustment plate (3); an exhaust assembly for preventing dust from being dispersed is installed on the cover shell (2); and a protective plate (5) is provided on the exhaust assembly for preventing splashing impurities from falling into the cover shell (2); The exhaust assembly comprises a first exhaust pipe (102), a second exhaust pipe (105) and an air hood (106); the left side of the housing (2) is connected to the first exhaust pipe (102) for preventing dust from accumulating in the housing (2), and the first exhaust pipe (102) is connected to an external exhaust device; the front and rear sides of the first exhaust pipe (102) are both connected to a second exhaust pipe (105), and the second exhaust pipe (105) is connected to an external exhaust device; two air hoods (106) are slidably connected to the housing (2) for preventing dust from escaping from the grinding area; It also includes a DD motor (109) and a brush wheel (111); the DD motor (109) is fixedly connected to the air cover (106) located at the rear side of the housing (2); the brush wheel (111) is fixedly connected to the lower rotating end of the DD motor (109) to prevent impurities from adhering to the surface of the sanding belt (108); It also includes a top block (110); a second rotating portion (5001) is arranged on the front side of the protective plate (5); and a plurality of top blocks (110) are fixedly connected to the rotating end of the DD motor (109) to improve the cleaning effect of the brush wheel (111); It also includes an insert block (112); the left side of the protective plate (5) is fixedly connected with the insert block (112) for preventing impurities from remaining on the brush wheel (111); The invention also includes an auxiliary system, which includes a lever (203) and a fixing plate (205); a fixing plate (205) is fixedly connected to the lower side of each adjustment plate (3); and a lever (203) is fixedly connected to each fixing plate (205) for facilitating workers to remove the sanding belt (108).

2. The abrasive belt grinding device for hardware workpieces according to claim 1, characterized in that: The two air hoods (106) are respectively located at the front side and the rear side of the grinding machine (1).

3. The abrasive belt grinding device for hardware workpieces according to claim 1, characterized in that: The bristles on the brush wheel (111) are spiral-shaped.

4. The abrasive belt grinding device for hardware workpieces according to claim 3 is characterized in that: It also includes a connecting block (204); the front side and the rear side of the grinder (1) are each connected to a connecting block (204); and each connecting block (204) is detachably connected to the lower side of an adjacent air hood (106).

5. The abrasive belt grinding device for hardware workpieces according to claim 4, characterized in that: Each lever (203) is cylindrical.

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