Edge grinding device for machining protective air-tight door

Abstract

The utility model discloses an edge grinding device for processing a protective air-tight door, which comprises a working table, a first supporting piece is arranged on one side of the upper surface of the working table, the first supporting piece is rotatably connected with two groups of first belt wheels, one end of a shaft rod of one group of first belt wheels is connected with a driving assembly, and the two groups of first belt wheels are in transmission connection with an abrasive belt. The abrasive belt can be tensioned through the tensioning assembly, a limiting roller is arranged on the inner side of the abrasive belt, and the limiting roller can move in the horizontal direction through the moving assembly and can also be matched with the lifting assembly to push the abrasive belt to move downwards to make contact with the air-tight door. The limiting rollers can flexibly move in the horizontal direction and the vertical direction, so that accurate polishing of different positions and shapes of the air-tight door is achieved, the flexibility greatly improves the efficiency and accuracy of polishing operation, and due to the fact that the limiting rollers can freely move in the horizontal direction and the vertical direction, the polishing efficiency is greatly improved. Therefore, the device can meet the polishing requirements of the air-tight doors of different sizes and shapes.

Description

Technical Field

[0001] This utility model relates to the technical field of edge grinding devices, specifically an edge grinding device for processing protective airtight doors. Background Technology

[0002] In the production and processing of protective airtight doors, edge grinding is a crucial step. Edge grinding not only improves the overall aesthetics of the door, but more importantly, it effectively removes burrs, sharp angles and other defects generated during the production process, enhancing the door's sealing performance and durability. Traditional edge grinding devices mostly rely on belt sanders for grinding operations.

[0003] However, in practical applications, these traditional devices have many inconveniences. Traditional belt sander edge grinding devices often have their sanding belt fixed in a certain position. When different parts of the protective airtight door need to be ground, the operator usually needs to manually move the belt sander or the entire airtight door to achieve the ideal grinding position. This operation method is not only time-consuming and laborious, but also often results in poor grinding effect due to inaccurate positioning during the movement, and may even damage the workpiece. In addition, for large or heavy protective airtight doors, frequent movement increases the difficulty and danger of operation. Therefore, it is necessary to design an edge grinding device for processing protective airtight doors to solve the above problems. Utility Model Content

[0004] The purpose of this invention is to provide a grinding device for processing protective airtight doors, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a grinding device for processing protective airtight doors, comprising a worktable, a first support member installed on one side of the upper surface of the worktable, two sets of first pulleys rotatably connected to the first support member, one end of the shaft of one set of first pulleys being connected to a drive assembly, the two sets of first pulleys being connected to a sanding belt drive, the sanding belt being tensioned by a tensioning assembly, and a limiting roller provided on the inner side of the sanding belt, the limiting roller being moved horizontally by a moving assembly, or being pushed down to contact the airtight door in conjunction with a lifting assembly.

[0006] Preferably, the moving component includes a second support member, a lead screw, a first motor, and a slider. The second support member is mounted on one side of the first support member. The lead screw, which is rotatable, is installed in the inner cavity at the bottom end of the second support member. One end of the lead screw is connected to the output end of the first motor. The lead screw passes through the slider and is threadedly connected to it. The slider can slide along the inner cavity at the bottom end of the second support member. The slider is connected to the limiting roller through the lifting component.

[0007] Preferably, the lifting assembly includes a first electric push rod and a limiting frame. The first electric push rod is installed at the bottom end of the slider, the output end of the first electric push rod is connected to the limiting frame, and the limiting frame is rotatably connected to the limiting roller.

[0008] Preferably, the tensioning assembly includes a second pulley, a groove, a limiting block, and a second electric push rod. A slidable second pulley is provided on the inner side of the sanding belt away from the limiting roller. The shaft of the second pulley can slide along the groove opened in the first support member. One end of the shaft of the second pulley is movably connected to the limiting block. The limiting block is connected to the output end of the second electric push rod. The second electric push rod is installed on one side of the first support member.

[0009] Preferably, the drive assembly includes a first gear, a second gear, and a second motor, wherein the first gear is mounted on a set of shafts of the first pulley, the first gear meshes with the second gear, the second gear is connected to the output end of the second motor, and the second motor is mounted on one side of the first support member.

[0010] Compared with the prior art, the beneficial effects of this utility model are:

[0011] 1. This utility model, through the cooperation of the moving component and the lifting component, allows the limiting roller to move flexibly in the horizontal and vertical directions, thereby achieving precise grinding of different positions and shapes of airtight doors. This flexibility greatly improves the efficiency and accuracy of grinding operations. Since the limiting roller can move freely in the horizontal and vertical directions, this device can be applied to the grinding needs of airtight doors of different sizes and shapes. This adaptability makes the device more widely used and of higher value in practical applications. By precisely controlling the contact pressure and moving speed between the sanding belt and the airtight door, the uniformity and consistency of grinding quality can be ensured.

[0012] 2. This utility model uses a moving component, namely a screw-slider mechanism, to drive the limiting roller to move horizontally, which has high transmission accuracy and stability. This means that when the first motor rotates, the slider will move precisely along the screw, thereby ensuring that the horizontal position of the limiting roller is accurately adjusted, thus achieving precise grinding of different positions of the airtight door.

[0013] 3. This utility model achieves high-precision tensioning of the sanding belt by precisely controlling the position of the second pulley through the second electric push rod. This tensioning mechanism ensures the stability and accuracy of the sanding belt during transmission, avoiding transmission difficulties or increased wear caused by the sanding belt being loose or overly tight. The second motor drives the first pulley to rotate through gear meshing. This driving method has the advantages of simple structure, high transmission efficiency, and smooth operation. Attached Figure Description

[0014] Figure 1 This is a side and rear top view of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of section A of the structure of this utility model;

[0016] Figure 3 This is a schematic diagram of section B of the structure of this utility model;

[0017] Figure 4 This is a side-front anatomical view of the overall structure of this utility model;

[0018] Figure 5 This is a schematic diagram of section C of the structure of this utility model;

[0019] Figure 6 This is a side-front view of the overall structure of this utility model.

[0020] In the diagram: 1. Workbench, 2. First support component, 3. First pulley, 4. Sanding belt, 5. Limiting roller, 6. Second support component, 7. Lead screw, 8. First motor, 9. Slider, 10. First electric push rod, 11. Limiting frame, 12. Second pulley, 13. Slide groove, 14. Limiting block, 15. Second electric push rod, 16. First gear, 17. Second gear, 18. Second motor. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1

[0023] Please refer to Figure 1-6 As shown, this utility model provides a grinding device for processing protective airtight doors, including a workbench 1. A first support member 2 is installed on one side of the upper surface of the workbench 1. The first support member 2 is rotatably connected to two sets of first pulleys 3. One end of the shaft of one set of first pulleys 3 is connected to a drive assembly. The two sets of first pulleys 3 are connected to a sanding belt 4. The sanding belt 4 can be tensioned by a tensioning assembly. A limit roller 5 is provided on the inner side of the sanding belt 4. The limit roller 5 can be moved horizontally by a moving assembly, or it can be used with a lifting assembly to push the sanding belt 4 down to contact the airtight door.

[0024] Initially, the edge of the airtight door is placed on the sanding belt 4 on the workbench 1. When the drive assembly is activated, a set of first pulleys 3 connected to it begins to rotate. The two sets of first pulleys 3 are connected by the sanding belt 4, meaning that when one set of first pulleys 3 rotates, it drives the sanding belt 4 to move, which in turn causes the other set of first pulleys 3 to rotate as well, forming a closed-loop transmission structure. To maintain the stability and accuracy of the sanding belt 4 during transmission, a tensioning assembly is designed to adjust the tension of the sanding belt. By adjusting the tensioning assembly, it can be ensured that the sanding belt 4 is always in a proper tension state, avoiding poor transmission or increased wear caused by slackness or excessive tension. Before the grinding operation, the height of the limit roller 5 is first adjusted by the lifting assembly to make the sanding belt 4 form an appropriate contact pressure with the surface of the airtight door. Then, the drive assembly is activated, and the sanding belt 4 begins to rotate. At this time, by moving the limit roller 5 horizontally by the moving assembly, the sanding belt 4 can be moved laterally on the surface of the airtight door to achieve grinding of different positions.

[0025] Compared to existing technologies, the limiting roller 5 can move flexibly in both horizontal and vertical directions through the cooperation of the moving and lifting components, thereby achieving precise grinding of different positions and shapes of the airtight door. This flexibility greatly improves the efficiency and accuracy of the grinding operation. Since the limiting roller 5 can move freely in both horizontal and vertical directions, this device can be applied to the grinding needs of airtight doors of different sizes and shapes. This adaptability makes the device more widely used and of higher value in practical applications. By precisely controlling the contact pressure and moving speed between the sanding belt and the airtight door, the uniformity and consistency of the grinding quality can be ensured.

[0026] Specifically, the moving component includes a second support member 6, a lead screw 7, a first motor 8, and a slider 9. The second support member 6 is installed on one side of the first support member 2. A rotatable lead screw 7 is installed in the inner cavity at the bottom of the second support member 6. One end of the lead screw 7 is connected to the output end of the first motor 8. The lead screw 7 passes through the slider 9 and is threadedly connected to it. The slider 9 can slide along the inner cavity at the bottom of the second support member 6. The slider 9 is connected to the limiting roller 5 through a lifting component. The lifting component includes a first electric push rod 10 and a limiting frame 11. The first electric push rod 10 is installed at the bottom of the slider 9. The output end of the first electric push rod 10 is connected to the limiting frame 11. The limiting frame 11 is rotatably connected to the limiting roller 5.

[0027] Inside the bottom cavity of the second support member 6, the lead screw 7 is securely installed and can rotate freely. One end of the lead screw 7 is tightly connected to the output end of the first motor 8, meaning that when the first motor 8 starts, the lead screw 7 will rotate accordingly. The slider 9 is designed to slide along the axial direction of the lead screw 7 within the cavity of the second support member 6, and the slider 9 has a threaded hole that matches the lead screw thread. Therefore, when the lead screw 7 rotates, the slider 9 will move along the length of the lead screw 7. At the bottom end of the slider 9, the first electric push rod 10 is installed and ready. When it is necessary to adjust the height of the limiting roller 5, the first electric push rod 10 is activated, and the output end of the first electric push rod 10 will extend or retract, thereby driving the limiting frame 11 connected to it to move up and down. The limiting frame 11 is rotatably connected to the limiting roller 5, so when the limiting frame 11 moves, the limiting roller 5 will also move up and down accordingly.

[0028] The limiting roller 5 is driven to move horizontally by the moving component, namely the lead screw 7-slider 9 mechanism, which has high transmission accuracy and stability. This means that when the first motor 8 rotates, the slider 9 will move precisely along the lead screw 7, thereby ensuring that the horizontal position of the limiting roller 5 is accurately adjusted, thus achieving precise grinding of different positions of the airtight door.

[0029] The tensioning assembly includes a second pulley 12, a slide groove 13, a limiting block 14, and a second electric push rod 15. A slidable second pulley 12 is provided on the inner side of the sanding belt 4 away from the limiting roller 5. The shaft of the second pulley 12 can slide along the slide groove 13 opened in the first support member 2. One end of the shaft of the second pulley 12 is movably connected to the limiting block 14. The limiting block 14 is connected to the output end of the second electric push rod 15. The second electric push rod 15 is installed on one side of the first support member 2. The driving assembly includes a first gear 16, a second gear 17, and a second motor 18. The shaft of a set of first pulleys 3 is equipped with the first gear 16. The first gear 16 meshes with the second gear 17. The second gear 17 is connected to the output end of the second motor 18. The second motor 18 is installed on one side of the first support member 2.

[0030] When the second electric push rod 15 extends or retracts, it pushes or pulls the limiting block 14, thereby causing the second pulley 12 to slide along the groove 13. By adjusting the extension length of the second electric push rod 15, the position of the second pulley 12 can be precisely controlled, thereby achieving tensioning or slack of the sanding belt 4. This tensioning mechanism ensures the stability and accuracy of the sanding belt 4 during transmission.

[0031] When the second motor 18 starts, it drives the second gear 17 to rotate, which in turn drives the first gear 16 to rotate through gear meshing. This, in turn, drives a set of first pulleys 3 on its shaft to rotate. Since the sanding belt 4 is wrapped between the two first pulleys 3, when one first pulley 3 rotates, it drives the sanding belt 4 to move, which in turn causes the other first pulley 3 to rotate as well. By starting the second motor 18, the entire sanding belt 4 transmission system can be put into operation.

[0032] The position of the second pulley 12 can be precisely controlled by the second electric push rod 15, which can achieve high-precision tensioning of the sanding belt 4. This tensioning mechanism ensures the stability and accuracy of the sanding belt 4 during transmission, and avoids transmission problems or increased wear caused by the sanding belt 4 being loose or overly tight. The second motor 18 drives the first pulley 3 to rotate through gear meshing. This driving method has the advantages of simple structure, high transmission efficiency and smooth operation.

[0033] Working principle: In the inner cavity at the bottom of the second support member 6, the lead screw 7 is securely installed and can rotate freely. One end of the lead screw 7 is tightly connected to the output end of the first motor 8, meaning that when the first motor 8 starts, the lead screw 7 will rotate accordingly. The slider 9 is designed to slide along the axial direction of the lead screw 7 within the inner cavity of the second support member 6, and the slider 9 has a threaded hole matching the lead screw thread. Therefore, when the lead screw 7 rotates, the slider 9 moves along the length of the lead screw 7, driving the limiting roller 5 to push the sanding belt 4 to contact different positions of the airtight door. At the bottom of the slider 9, the first electric push rod 10 is installed and ready. When the height of the limiting roller 5 needs to be adjusted, the first electric push rod 10 is activated, and the output end of the first electric push rod 10 extends or retracts, thereby driving the limiting frame 11 connected to it to move up and down. The limiting frame 11 is rotatably connected to the limiting roller 5, so when the limiting frame 11 moves... When the abrasive belt 4 is in motion, the limiting roller 5 will also move up and down. When the second electric push rod 15 extends or retracts, it will push or pull the limiting block 14, thereby driving the second pulley 12 to slide along the slide groove 13. By adjusting the extension length of the second electric push rod 15, the position of the second pulley 12 can be precisely controlled, thereby achieving tensioning or slack of the abrasive belt 4. This tensioning mechanism ensures the stability and accuracy of the abrasive belt 4 during transmission. When the second motor 18 is started, it will drive the second gear 17 to rotate, and then drive the first gear 16 to rotate through gear meshing, which will drive a set of first pulleys 3 on its shaft to rotate. Since the abrasive belt 4 is wrapped between the two first pulleys 3, when one first pulley 3 rotates, it will drive the abrasive belt 4 to move, thereby causing the other first pulley 3 to rotate as well. By starting the second motor 18, the operation of the entire abrasive belt 4 transmission system can be realized.

[0034] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0035] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A kind of edge grinding device for processing security door, comprising workbench (1), it is characterized by: A first support member (2) is installed on one side of the upper surface of the workbench (1). The first support member (2) is rotatably connected to two sets of first pulleys (3). One end of the shaft of one set of first pulleys (3) is connected to the drive assembly. The two sets of first pulleys (3) are connected to the sanding belt (4) through transmission. The sanding belt (4) can be tensioned by the tensioning assembly. The inner side of the sanding belt (4) is provided with a limit roller (5). The limit roller (5) can be moved horizontally by the moving assembly, or it can be used with the lifting assembly to push the sanding belt (4) down to contact the airtight door. The moving component includes a second support member (6), a lead screw (7), a first motor (8), and a slider (9). The second support member (6) is installed on one side of the first support member (2). The lead screw (7) is rotatable in the inner cavity at the bottom of the second support member (6). One end of the lead screw (7) is connected to the output end of the first motor (8). The lead screw (7) passes through the slider (9) and is threadedly connected to it. The slider (9) can slide along the inner cavity at the bottom of the second support member (6). The slider (9) is connected to the limiting roller (5) through the lifting component. The lifting assembly includes a first electric push rod (10) and a limiting frame (11). The first electric push rod (10) is installed at the bottom end of the slider (9). The output end of the first electric push rod (10) is connected to the limiting frame (11). The limiting frame (11) is rotatably connected to the limiting roller (5).

2. The edge grinding device for processing a security door according to claim 1, characterized in that: The tensioning assembly includes a second pulley (12), a groove (13), a limiting block (14), and a second electric push rod (15). The inner side of the sanding belt (4) away from the limiting roller (5) is provided with a slidable second pulley (12). The shaft of the second pulley (12) can slide along the groove (13) opened in the first support member (2). One end of the shaft of the second pulley (12) is movably connected to the limiting block (14). The limiting block (14) is connected to the output end of the second electric push rod (15). The second electric push rod (15) is installed on one side of the first support member (2).

3. The edge grinding device for processing a security door according to claim 2, characterized in that: The drive assembly includes a first gear (16), a second gear (17), and a second motor (18), wherein the first gear (16) is mounted on the shaft of a set of first pulleys (3), the first gear (16) meshes with the second gear (17), the second gear (17) is connected to the output end of the second motor (18), and the second motor (18) is mounted on one side of the first support member (2).

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