Thread grinding equipment for metal bolt

Abstract

The thread grinding equipment for the metal bolt comprises a frame and a top plate, the upper top face of the right side of the frame is fixedly connected with the lower bottom face of the right side of the top plate, a first motor is fixedly installed in the center of the upper top face of the top plate, and a first transmission shaft is fixedly installed on the lower end face of the first motor. The first transmission shaft penetrates through the top plate and is in bearing connection with the top plate, a fixing key is fixedly installed on the left wall face of the first transmission shaft, the sliding block is transversely and fixedly connected with the first transmission shaft in a key connection mode, and the sliding block is longitudinally and rotationally connected with the first transmission shaft; according to the thread grinding equipment for the metal bolt, an air cylinder is in sliding connection with a top plate conveniently, so that the air cylinder can be driven to rotate while the first transmission shaft is in transmission, the first transmission shaft is driven to rotate, the first transmission shaft is driven to rotate, and the first transmission shaft is driven to rotate; and it is guaranteed that the air cylinder can be started to move up and down during rotation.

Description

Technical Field

[0001] The utility model relates to the technical field of thread grinding, in particular to a thread grinding device for metal bolts. Background Technique

[0002] With the vigorous development of machinery, the consumption of bolts is extremely large. Bolts are used in the fixation and connection of all aspects of the machinery industry. The production of bolts is increasing. Threads are an important part that cannot be ignored in bolt processing, and the processing of threads is the most strict and delicate step in bolt production. During processing, it is necessary to ensure that during the grinding process, the size of the thread pattern is consistent and the grinding depth is consistent. For example:

[0003] The "E-type bolt thread cutting processing equipment" with the application number CN202311163795.3 includes a frame and a cutting device; the frame can move horizontally, and two support structures are provided at intervals in the height direction of the frame; the cutting device includes two second brackets, one of the second brackets is provided with a driving structure, a through hole is opened on the surface of the driving structure, and internal teeth are protruded along the circumferential direction of the hole wall of the through hole; the other second bracket is provided with two cutting components at intervals in the height direction, and the cutting component includes a transmission shaft. Clamping the workpiece through this structure is not easy to operate, the operation is complex, and it is not convenient for the staff to use. During the grinding process, it is necessary to manually fix the bolts that have not been ground after grinding is completed, which reduces the safety factor of the staff, increases the labor burden of the workers, consumes time, and reduces the working efficiency of the machine. Content of the Utility Model

[0004] The purpose of the utility model is to provide a thread grinding device for metal bolts to solve the problems mentioned in the above background technique, that is, clamping the workpiece through this structure is not easy to operate, the operation is complex, not convenient for the staff to use, during the grinding process, it is necessary to manually fix the bolts that have not been ground after grinding is completed, which reduces the safety factor of the staff, increases the labor burden of the workers, consumes time, and reduces the working efficiency of the machine.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A thread grinding device for metal bolts, including a frame and a top plate, the upper right top surface of the frame is fixedly connected to the lower right bottom surface of the top plate;

[0006] A first motor is fixedly installed at the center of the upper top surface of the top plate. A first transmission shaft is fixedly installed at the lower end surface of the first motor. The first transmission shaft penetrates through the top plate, and the first transmission shaft is connected to the top plate by a bearing. A fixing key is fixedly installed on the left wall surface of the first transmission shaft. A slider is sleeved on the lower end of the circumferential surface of the first transmission shaft. The slider is fixedly connected to the first transmission shaft transversely by a key, and the slider is rotatably connected to the first transmission shaft longitudinally. A limiting block is fixedly installed on the lower bottom surface of the first transmission shaft. The lower bottom surface of the fixing key is fixedly installed on the upper top surface of the limiting block.

[0007] With the above technical solution, it is convenient to drive the first transmission shaft to rotate through the first motor, drive the slider to rotate through the key connection, drive the cylinder to rotate through the sliding connection between the cylinder and the top plate, and thus drive the thread cutter to rotate.

[0008] As a preferred technical solution of the present invention, a cylinder is arranged on the left side of the rear wall surface of the frame. The upper top surface of the cylinder is installed on the lower bottom surface of the top plate, and the cylinder is slidably connected to the top plate. The lower bottom surface of the cylinder is fixedly installed on the upper top surface of the slider. A thread cutter is fixedly installed on the lower bottom surface of the slider.

[0009] With the above technical solution, it is convenient to drive the air to rotate while the first transmission shaft is driving through the sliding connection between the cylinder and the top plate, ensuring that the cylinder can be started to move up and down while rotating.

[0010] As a preferred technical solution of the present invention, a second motor is arranged on the left side of the rear wall surface of the frame. The front end surface of the second motor is fixedly installed on the rear wall surface of the frame. A second transmission shaft is fixedly installed on the front end surface of the second motor. The second transmission shaft penetrates through the rear wall surface of the frame, and the second transmission shaft is connected to the frame by a bearing.

[0011] With the above technical solution, it is convenient to drive the second transmission shaft to rotate through the second motor, drive the track to move through the meshing of the gear and the track fixedly installed on the second transmission shaft, reducing the labor burden of workers and improving the working efficiency of the equipment.

[0012] As a preferred technical solution of the present invention, a rotating shaft is arranged on the left side of the right side wall of the frame. The rotating shaft penetrates through the front and rear wall surfaces of the frame, and the rotating shaft is connected to the frame by a bearing. Two gears are arranged inside the frame. A gear is sleeved on the central circumferential surface of the second transmission shaft, and the gear is fixedly connected to the first transmission shaft. A gear is fixedly installed on the central circumferential surface of the rotating shaft.

[0013] With the above technical solution, it is convenient to fix the gear through the rotating shaft, prevent the track from falling off during use, and cause harm to the equipment and staff.

[0014] As a preferred technical solution of the present utility model, a crawler is arranged on the outer sides of the two gears. Teeth are arranged on the inner surface of the crawler, and the crawler meshes with the two gears.

[0015] Adopting the above technical solution, it is convenient to drive the crawler to move through the meshing of the crawler and the gears, reducing the labor burden of the staff.

[0016] As a preferred technical solution of the present utility model, a storage box is arranged below the crawler. The lower bottom surface of the storage box is slidably connected to the inner bottom surface of the frame. A handle is arranged on the front wall surface of the storage box, and a brush is arranged on the left upper top surface of the storage box.

[0017] Adopting the above technical solution, it is convenient to clean the crawler with the brush during the movement of the crawler, collect the swept waste chips into the storage box, and facilitate the staff to clean.

[0018] As a preferred technical solution of the present utility model, the upper top surface of the brush is in contact with the lower surface of the crawler. A plurality of fixing blocks are fixedly installed on the outer surface of the crawler, and grooves are formed on the upper top surfaces of the fixing blocks.

[0019] Adopting the above technical solution, it is convenient to be provided with fixing blocks, and grooves are formed on the upper top surfaces of the fixing blocks, facilitating the fixing of the bolts whose threads need to be ground, preventing the bolts from falling off during the operation of the equipment and causing harm to the staff.

[0020] As a preferred technical solution of the present utility model, an observation window is arranged on the front wall surface of the frame. The upper top surface of the observation window is fixedly connected to the top plate, the lower bottom surface of the observation window is fixedly installed on the left upper top surface of the frame. Four universal wheels are evenly arranged on the lower bottom surface of the frame, and a braking device is arranged on the universal wheels.

[0021] Adopting the above technical solution, it is convenient to arrange the observation window to prevent waste chips from splashing and injuring the staff during the operation of the equipment, ensuring the personal safety of the staff.

[0022] Compared with the prior art, the beneficial effects of the present utility model are:

[0023] 1. This metal bolt thread grinding equipment is convenient for the sliding connection of the cylinder and the top plate, so that the cylinder can be driven to rotate while the first transmission shaft is transmitting power, ensuring that the cylinder can be started to move up and down while rotating.

[0024] 2. This metal bolt thread grinding equipment is convenient for driving the second transmission shaft to rotate by the second motor, and driving the crawler to move through the meshing of the gear fixedly installed on the second transmission shaft and the crawler, reducing the labor burden of the workers and improving the working efficiency of the equipment.

[0025] 3. This thread grinding equipment for metal bolts is convenient for cleaning the crawler during the movement of the crawler, collecting the scrap swept down into the storage bin, which is convenient for the staff to clean up.

[0026] 4. This thread grinding equipment for metal bolts is conveniently provided with a fixing block, and a groove is opened on the upper surface of the fixing block, which is convenient for fixing the bolts whose threads need to be ground, preventing the bolts from falling off during the operation of the equipment and causing harm to the staff.

[0027] 5. This thread grinding equipment for metal bolts is conveniently provided with an observation window to prevent the scrap from splashing and injuring the staff during the operation of the equipment, ensuring the personal safety of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a front view structural schematic diagram of the present utility model;

[0029] Figure 2 It is a front view sectional structural schematic diagram of the present utility model;

[0030] Figure 3 It is a left view structural schematic diagram of the present utility model;

[0031] Figure 4 It is a left view sectional structural schematic diagram of the present utility model;

[0032] Figure 5 It is a top view structural schematic diagram of the fixing block of the present utility model;

[0033] Figure 6 It is a three-dimensional connection structural schematic diagram of the first transmission shaft and the fixing key of the present utility model.

[0034] In the figure: 1. Frame; 2. Top plate; 3. First motor; 4. First transmission shaft; 5. Fixing key; 6. Slide block; 7. Limit block; 8. Cylinder; 9. Thread cutter; 10. Second motor; 11. Second transmission shaft; 12. Crawler; 13. Gear; 14. Rotating shaft; 15. Fixing block; 16. Groove; 17. Storage bin; 18. Brush; 19. Universal wheel; 20. Observation window. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0035] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0036] Please refer toFigure 1-6 , the technical solution of the utility model: a thread grinding device for metal bolts, including a frame 1 and a top plate 2, and the upper right surface of the frame 1 is fixedly connected to the lower right surface of the top plate 2;

[0037] A first motor 3 is fixedly installed at the center of the upper surface of the top plate 2. A first transmission shaft 4 is fixedly installed at the lower end surface of the first motor 3. The first transmission shaft 4 penetrates through the top plate 2, and the first transmission shaft 4 is connected to the top plate 2 by bearings. A fixed key 5 is fixedly installed on the left wall surface of the first transmission shaft 4. A slider 6 is sleeved on the lower end of the circumferential surface of the first transmission shaft 4. The slider 6 is fixedly connected to the first transmission shaft 4 by a key in the horizontal direction, and the slider 6 is rotatably connected to the first transmission shaft 4 in the vertical direction. A limiting block 7 is fixedly installed on the lower bottom surface of the first transmission shaft 4. The lower bottom surface of the fixed key 5 is fixedly installed on the upper top surface of the limiting block 7.

[0038] A cylinder 8 is arranged on the left side of the first transmission shaft 4. The upper top surface of the cylinder 8 is installed on the lower bottom surface of the top plate 2, and the cylinder 8 is slidably connected to the top plate 2. The lower bottom surface of the cylinder 8 is fixedly installed on the upper top surface of the slider 6. A threading tool 9 is fixedly installed on the lower bottom surface of the slider 6.

[0039] A second motor 10 is arranged on the left side of the rear wall surface of the frame 1. The front end surface of the second motor 10 is fixedly installed on the rear wall surface of the frame 1. A second transmission shaft 11 is fixedly installed on the front end surface of the second motor 10. The second transmission shaft 11 penetrates through the rear wall surface of the frame 1, and the second transmission shaft 11 is connected to the frame 1 by bearings.

[0040] A rotating shaft 14 is arranged on the left side of the right side wall of the frame 1. The rotating shaft 14 penetrates through the front and rear wall surfaces of the frame 1, and the rotating shaft 14 is connected to the frame 1 by bearings. Two gears 13 are arranged inside the frame 1. The center circumferential surface of the second transmission shaft 11 is sleeved with a gear 13, and the gear 13 is fixedly connected to the second transmission shaft 11. A gear 13 is fixedly installed on the center circumferential surface of the rotating shaft 14.

[0041] A crawler 12 is arranged outside the two gears 13. The inner surface of the crawler 12 is provided with teeth, and the crawler 12 meshes with the two gears 13.

[0042] A storage box 17 is arranged below the crawler 12. The lower bottom surface of the storage box 17 is slidably connected to the inner bottom surface of the frame 1. A handle is arranged on the front wall surface of the storage box 17, and a brush 18 is arranged on the upper left top surface of the storage box 17.

[0043] The upper top surface of the brush 18 is in contact with the lower surface of the crawler 12. A plurality of fixing blocks 15 are fixedly installed on the outer surface of the crawler 12. A groove 16 is formed on the upper top surface of the fixing block 15.

[0044] The front wall surface of the frame 1 is provided with an observation window 20. The upper top surface of the observation window 20 is fixedly connected to the top plate 2, and the lower bottom surface of the observation window 20 is fixedly installed on the upper top surface of the left side of the frame 1. Four universal wheels 19 are evenly arranged on the lower bottom surface of the frame 1, and a braking device is provided on the universal wheels 19.

[0045] Working principle: First, before the equipment works, the bolt to be ground needs to be placed in the groove 16 opened on the upper top surface of the fixed block 15. At this time, start the first motor 3, drive the rotation of the first transmission shaft 4 through the first motor 3, drive the rotation of the slider 6 through key connection, drive the rotation of the threading tool 9 through the rotation of the slider 6. The cylinder 8 is connected to the top plate 2 by a chute, and the lower bottom surface of the cylinder 8 is fixedly connected to the upper top surface of the slider 6. When the slider 6 rotates, it drives the cylinder 8 to rotate at the same time. At this time, start the second motor 10 to rotate. The second motor 10 rotates to drive the rotation of the second transmission shaft 11, and the second transmission shaft 11 rotates to drive the rotation of the gear 13. The gear 13 meshes with the crawler 12 to drive the crawler 12 to move. The movement of the crawler 12 drives the fixed block 15 to move. When the fixed block 15 reaches the central position, the second motor 10 stops rotating. At this time, start the cylinder 8 to move downward, drive the threading tool 9 to move downward, and start grinding when the tool tip of the threading tool 9 touches the bolt;

[0046] After grinding is completed, start the cylinder 8 to move upward, drive the threading tool 9 to move upward. Then, start the second motor 10 to rotate, drive the crawler 12 to move. After the crawler 12 moves out, the bolt can be taken off. During the movement of the crawler 12, the brush 18 cleans the outer surface of the crawler 12, and the swept waste chips fall into the storage box 17 for collection. After the work is completed, turn off the first motor 3 and the second motor 10.

[0047] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0048] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A thread grinding device for metal bolts, comprising a frame (1) and a top plate (2), characterized in that: The upper right top surface of the frame (1) is fixedly connected to the lower right bottom surface of the top plate (2). A first motor (3) is fixedly installed at the center of the upper top surface of the top plate (2). A first transmission shaft (4) is fixedly installed on the lower end surface of the first motor (3). The first transmission shaft (4) penetrates through the top plate (2), and the first transmission shaft (4) is connected to the top plate (2) by bearings. A fixed key (5) is fixedly installed on the left wall surface of the first transmission shaft (4). A slider (6) is sleeved on the lower end of the circumferential surface of the first transmission shaft (4). The slider (6) is fixedly connected to the first transmission shaft (4) by a key in the transverse direction and is rotatably connected to the first transmission shaft (4) in the longitudinal direction. A limit block (7) is fixedly installed on the lower bottom surface of the first transmission shaft (4). The lower bottom surface of the fixed key (5) is fixedly installed on the upper top surface of the limit block (7).

2. The thread grinding device for metal bolts according to claim 1, characterized in that: A cylinder (8) is arranged on the left side of the first transmission shaft (4). The upper top surface of the cylinder (8) is installed on the lower bottom surface of the top plate (2), and the cylinder (8) is slidably connected to the top plate (2). The lower bottom surface of the cylinder (8) is fixedly installed on the upper top surface of the slider (6). A thread cutter (9) is fixedly installed on the lower bottom surface of the slider (6).

3. A thread grinding device for a metal bolt according to claim 2, characterized in that: A second motor (10) is arranged on the left side of the rear wall surface of the frame (1). The front end surface of the second motor (10) is fixedly installed on the rear wall surface of the frame (1). A second transmission shaft (11) is fixedly installed on the front end surface of the second motor (10). The second transmission shaft (11) penetrates through the rear wall surface of the frame (1), and the second transmission shaft (11) is connected to the frame (1) by bearings.

4. A thread grinding device for metal bolts according to claim 3, characterized in that: A rotating shaft (14) is arranged on the left side of the right side wall of the frame (1). The rotating shaft (14) penetrates through the front and rear wall surfaces of the frame (1), and the rotating shaft (14) is connected to the frame (1) by bearings. Two gears (13) are arranged inside the frame (1). The central circumferential surface of the second transmission shaft (11) is sleeved with a gear (13), and the gear (13) is fixedly connected to the first transmission shaft (11). A gear (13) is fixedly installed on the central circumferential surface of the rotating shaft (14).

5. A thread grinding device for metal bolts according to claim 4, characterized in that: A track (12) is arranged outside the two gears (13). The inner surface of the track (12) is provided with teeth, and the track (12) meshes with the two gears (13).

6. The thread grinding device for a metal bolt according to claim 5, characterized in that: A storage box (17) is arranged below the track (12). The lower bottom surface of the storage box (17) is slidably connected to the inner bottom surface of the frame (1). A handle is arranged on the front wall surface of the storage box (17), and a brush (18) is arranged on the upper left top surface of the storage box (17).

7. A thread grinding device for metal bolts according to claim 6, characterized in that: The upper top surface of the brush (18) is in contact with the lower surface of the track (12). A plurality of fixed blocks (15) are fixedly installed on the outer surface of the track (12). A groove (16) is formed on the upper top surface of the fixed block (15).

8. A thread grinding device for a metal bolt according to claim 7, characterized in that: The front wall surface of the frame (1) is provided with an observation window (20). The upper top surface of the observation window (20) is fixedly connected to the top plate (2), and the lower bottom surface of the observation window (20) is fixedly installed on the left upper top surface of the frame (1). Four universal wheels (19) are evenly arranged on the lower bottom surface of the frame (1), and a braking device is arranged on the universal wheels (19).

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