High efficiency nut threading device

Abstract

The utility model provides high -efficient nut thread processing device, including processing platform, four bottom corners of processing platform upper end are provided with the top plate through the stand, and the nut fixed block for fixing nut of processing platform upper end is provided, the bottom rotation of top plate is connected with a plurality of tapping motor, and the output of tapping motor passes through the clamp movable mounting has the tap, and the top of top plate is provided with the feed servo electric cylinder, and the feed servo electric cylinder is connected with tapping motor transmission in the vertical direction, the utility model discloses a cooling tank, cooling water pipe and rotation drive mechanism are set up, when the tap reaches high temperature state, starts rotation drive mechanism, makes the tap rotate inside cooling tank, and opens cooling water pipe, pours water on high temperature tap, high temperature tap stops running, and realizes quick cooling, simultaneously, other tapping motor drives the tap rotation to the nut fixed block top, realizes nut thread continuous processing, can also replace the tap fast and efficiently, has improved processing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of nut processing technology, and in particular to a high-efficiency nut thread processing device. Background Technology

[0002] Nut threading is the process of forming internal threads in the inner hole of a nut blank through cutting, extrusion, and other processes. It is widely used in mechanical connections, fastener manufacturing, and other fields. Tapping machines are common nut threading equipment. They use a rotating tap to cut into the nut blank and form internal threads. After prolonged processing, the tap will be at a high temperature, which will not only reduce the quality of the threaded output but also reduce the physical properties of the tap. Therefore, it is necessary to replace the tap regularly to extend its service life. The existing nut threading equipment has a very simple structural design. Under complex working conditions, simply injecting cutting fluid during tapping is insufficient to reduce the temperature of the tap and extend its service life. Eventually, the tap will be damaged due to high temperature. Since the tapping operation needs to be stopped when replacing the tap, the processing is hindered, reducing the efficiency of nut threading. Utility Model Content

[0003] The problem this invention aims to solve is that taps cannot be replaced in a timely manner when changing or under high temperature conditions, resulting in reduced processing efficiency.

[0004] To solve the above-mentioned technical problems, this utility model provides a high-efficiency nut thread processing device, including a processing table. At the four bottom corners of the processing table, top plates are respectively mounted on columns. A nut fixing block for fixing the processed nut is provided on the upper part of the processing table. Multiple tapping motors are rotatably connected to the bottom of the top plates. Taps are movably mounted on the output ends of the tapping motors via clamps. A feed servo cylinder is provided on the top of the top plate, and the feed servo cylinder is vertically connected to the tapping motors. A cooling groove is provided at the end of the processing table away from the nut fixing block, and a cooling water pipe is installed inside the cooling groove. A rotary drive mechanism, rotatably connected to the multiple tapping motors, is provided on the upper part of the top plate to drive the multiple taps to rotate between the cooling groove and the upper part of the nut fixing block. A placement rack for fixing the taps is provided on one side of the upper part of the processing table.

[0005] Preferably, the front end of the nut fixing block has an opening communicating with its interior, and a clamping block is slidably connected to the front end of the opening. A clamping cylinder is provided at the upper end of the processing table in front of the opening. The telescopic end of the clamping cylinder is installed with the end of the clamping block away from the opening via a telescopic rod, so as to drive the clamping block to move between the opening and the front end of the nut fixing block.

[0006] Preferably, a rotating frame is rotatably connected to the inside of the top plate via a guide rail. The bottom of the rotating frame is located below the bottom of the top plate, and fixed shells are equidistantly spaced at the bottom of the rotating frame in the circumferential direction. The bottom of the fixed shells has an opening. The tapping motor is slidably connected to the inside of the fixed shells in the vertical direction, and the tap and tap clamp are slidably connected to the bottom of the inside of the fixed shells.

[0007] Preferably, the feed servo electric cylinder is mounted on the upper end of the top plate via a bracket, and a feed rod is mounted on the telescopic end of the feed servo electric cylinder. The upper end of the tapping motor is provided with a transmission plate that is slidably connected to the upper end of the fixed housing. Compression springs are respectively mounted on the upper end of the transmission plate and the upper end of the fixed housing. The bottom of the feed rod is slidably connected to the inside of the compression spring to drive the transmission plate to move in the vertical direction.

[0008] Preferably, the rotary drive mechanism includes a rotary drive motor, a transmission gear, and a transmission rack. The rotary drive motor is disposed on the upper end of the top plate, and the output end of the rotary drive motor is installed at the center of the transmission gear. The transmission rack is disposed circumferentially on the upper end of the rotating frame, and the transmission gear and the transmission rack are meshed and connected in the circumferential direction of the rotating frame.

[0009] Preferably, the processing table is provided with a waste recycling trough around the nut fixing block.

[0010] Preferably, the upper end of the nut fixing block is provided with a waste blowing pipe, and the input end of the waste blowing pipe is connected to compressed air.

[0011] Preferably, a water pump is provided at the upper end of the top plate, and the output end of the water pump is connected to the input end of the cooling water pipe.

[0012] Preferably, a control valve for controlling the action of the clamping cylinder is installed on the upper end of the processing table, and a control switch is also provided on the upper end of the processing table.

[0013] Preferably, the clamping block has a support plate at its front end for supporting the processed nut, the nut fixing block has a groove inside that is slidably connected to the support plate, and the processing table has a cavity at the position below the nut fixing block that is slidably connected to the tap in the vertical direction.

[0014] Compared with the prior art, this utility model provides a high-efficiency nut thread processing device, which has the following beneficial effects:

[0015] 1. This utility model incorporates a cooling tank, cooling water pipes, and a rotary drive mechanism. The rotary drive mechanism drives a tapping motor to rotate circumferentially, moving the tapping motor between the cooling tank and the upper end of the nut fixing block. When the tap reaches a high temperature, the rotary drive mechanism is activated, causing the tap to rotate directly into the cooling tank. Simultaneously, the cooling water pipes are opened, injecting water onto the high-temperature tap, stopping its operation and achieving rapid cooling. At the same time, other tapping motors drive the taps to rotate above the nut fixing block, maintaining continuous tapping operation. Taps stored in the rack can be easily and quickly replaced. Through this process, not only is continuous threading of the nut achieved, but taps can also be quickly and efficiently replaced and cooled, improving processing efficiency. Attached Figure Description

[0016] Figure 1 This is a first schematic diagram of the main structure of this utility model;

[0017] Figure 2 This is a second schematic diagram of the main structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the fixed shell of this utility model;

[0019] Figure 4 This is a schematic diagram of the rotary drive mechanism of this utility model;

[0020] Figure 5 This is a schematic diagram of the nut fixing block structure of this utility model;

[0021] Figure 6 This is a schematic diagram of the waste recycling tank structure of this utility model.

[0022] In the diagram: 1. Machining table; 2. Top plate; 3. Nut fixing block; 4. Tapping motor; 5. Tap; 6. Feed servo cylinder; 7. Cooling tank; 8. Cooling water pipe; 9. Rotary drive mechanism; 91. Rotary drive motor; 92. Transmission gear; 93. Transmission rack; 10. Placement rack; 11. Clamping block; 12. Clamping cylinder; 13. Rotating frame; 14. Fixed shell; 15. Feed rod; 16. Transmission plate; 17. Scrap recovery tank; 18. Scrap blowing pipe; 19. Water pump; 20. Control valve; 21. Control switch; 22. Support plate; 23. Compression spring. Detailed Implementation

[0023] This utility model relates to a high-efficiency nut thread processing device, such as... Figure 1-6As shown, the machining table 1 includes a top plate 2 mounted on each of the four bottom corners of the upper part of the machining table 1 via columns. A nut fixing block 3 for fixing the machining nuts is mounted on the upper part of the machining table 1. Multiple tapping motors 4 are rotatably connected to the bottom of the top plate 2. A tap 5 is movably mounted on the output end of each tapping motor 4 via a tap clamp. A feed servo cylinder 6 is mounted on the top of the top plate 2, and the feed servo cylinder 6 is vertically connected to the tapping motors 4. A cooling tank 7 is located at the upper end of the machining table 1 away from the nut fixing block 3, and a cooling water pipe 8 is installed inside the cooling tank 7. The top plate 2 is rotatably connected to the multiple tapping motors 4. The rotary drive mechanism 9 drives multiple taps 5 to rotate between the cooling tank 7 and the upper end of the nut fixing block 3. A placement rack 10 for fixing the taps 5 is provided on one side of the upper end of the machining table 1. By setting up the machining table 1 and the top plate 2, the machining table 1 serves as the operating platform for nut thread machining, and the top plate 2 serves as the main body for mounting the tapping component. By setting up the nut fixing block 3, the nut is placed inside the nut fixing block 3, and the inner wall of the nut fixing block 3 abuts against the outer side of the nut, so that the nut is fixed inside the nut fixing block 3. By setting up the tapping motor 4 and the taps 5, the output end of the tapping motor 4 is connected to the taps 5. The fixture is installed such that the bottom connecting end of the tap 5 fixture is movably installed with the tap 5. The output end of the tapping motor 4 drives the tap 5 fixture to rotate, thus rotating the tap 5. By adjusting the tap 5 fixture, the tap 5 can be locked to the tap 5 fixture. The feed servo cylinder 6 drives the tapping motor 4 in the vertical direction, controlling the tapping motor 4 to move in the vertical direction, thereby completing the tapping work on the nut. By setting up a cooling tank 7, a cooling water pipe 8, and a rotary drive mechanism 9, the rotary drive mechanism 9 drives the tapping motor 4 to rotate circumferentially, so that the tapping motor 4 rotates between the cooling tank 7 and the upper end of the nut fixing block 3. When tap 5 reaches a high temperature, the rotary drive mechanism 9 is activated, causing tap 5 to rotate into the cooling tank 7. The cooling water pipe 8 is then opened, injecting water onto the high-temperature tap 5. The high-temperature tap 5 stops working and achieves rapid cooling. Simultaneously, other tapping motors 4 drive tap 5 to rotate above the nut fixing block 3, maintaining continuous tapping operation. Taps stored in the rack can be easily and quickly replaced. Through the above process, not only is continuous machining of nut threads achieved, but tap 5 can also be quickly and efficiently replaced and cooled, improving machining efficiency and solving the technical problem that this utility model aims to address.

[0024] In this embodiment of the utility model, the front end of the nut fixing block 3 has an opening communicating with its interior. A clamping block 11 is slidably connected to the front end of the opening. A clamping cylinder 12 is set at the upper end of the processing table 1 in front of the opening. The telescopic end of the clamping cylinder 12 is installed with the end of the clamping block 11 away from the opening via a telescopic rod, so as to drive the clamping block 11 to move between the interior of the opening and the front end of the nut fixing block 3. By setting the clamping block 11 and the clamping cylinder 12, the inner angle of the inner wall of the clamping block 11 and the inner wall of the nut fixing block 3 is 120 degrees. The telescopic end of the clamping cylinder drives the clamping block 11 to move from the opening of the nut fixing block 3 to the interior of the nut fixing block 3, pushes the nut and makes the outer side of the nut abut against the inner wall of the nut fixing block 3, so that the nut is clamped between the clamping block 11 and the nut fixing block 3. When the nut thread is processed, the telescopic end of the clamping cylinder 12 remains in the extended state so that the processed nut abuts against the interior of the nut fixing block 3 and is fixed. After the nut thread is processed, the telescopic end of the clamping cylinder 12 retracts.

[0025] In this embodiment of the invention, a rotating frame 13 is rotatably connected to the top plate 2 via a guide rail. The bottom of the rotating frame 13 is located below the bottom of the top plate 2, and fixed shells 14 are equidistantly spaced at the bottom of the rotating frame 13. The bottom of the fixed shells 14 has an opening. The tapping motor 4 is slidably connected to the inside of the fixed shells 14 in the vertical direction. The tap 5 and tap clamp are slidably connected to the bottom of the inside of the fixed shells 14. By setting up the rotating frame 13 and the fixed shells 14, the rotating frame 13 drives the fixed shells 14 to rotate. The fixed shells 14 protect the tapping motor 4. The cable passes through the rotating frame 13 from the central axis and into the rotating frame 13, and is connected to multiple tapping motors 4 through a rotary joint.

[0026] In this embodiment of the invention, the feed servo cylinder 6 is mounted on the upper end of the top plate 2 via a bracket. A feed rod 15 is mounted on the telescopic end of the feed servo cylinder 6. A transmission plate is slidably connected to the upper end of the fixed housing 14 at the upper end of the tapping motor 4. Compression springs 23 are mounted at both ends of the transmission plate and the upper end of the fixed housing 14, respectively. The bottom of the feed rod 15 is slidably connected to the inside of the compression springs 23, thereby driving the transmission plate to move vertically. By configuring the feed rod 15 and the transmission plate 16, the output end of the feed servo cylinder 6 drives the feed rod. Feed rod 15 moves vertically, inserts into compression spring 23, and contacts the upper end of transmission plate 16, thereby driving transmission plate 16 to move downward. Transmission plate 16 drives tapping motor 4 to move, realizing vertical feed of tapping motor 4. At the same time, compression spring 23 is stretched, and tapping motor 4 drives tap 5 to move towards the center of the nut to start tapping. After tapping is completed, feed rod 15 and compression spring 23 retract. Compression spring 23 drives transmission plate to rise, causing tap 5 to rise. Repeated operation can realize continuous processing.

[0027] In an embodiment of this utility model, the rotary drive mechanism 9 includes a rotary drive motor 91, a transmission gear 92, and a transmission rack 93. The rotary drive motor 91 is mounted on the upper end of the top plate 2, and the output end of the rotary drive motor 91 is installed at the center of the transmission gear 92. The transmission rack 93 is circumferentially mounted on the upper end of the rotating frame 13. The transmission gear 92 and the transmission rack 93 are meshed and connected in the circumferential direction of the rotating frame 13. By setting the rotary drive motor 91, the transmission gear 92, and the transmission rack 93, the output end of the rotary drive motor 91 drives the transmission gear 92 to rotate, and the transmission gear 92 drives the transmission rack 93 to rotate in the circumferential direction of the rotating frame 13, thereby driving the rotating frame 13 to rotate in the circumferential direction. The rotary drive motor 91 is connected to a PLC and is controlled by programming to achieve a fixed number of rotations for each rotation and to select the rotation direction, so that the rotary drive motor 91 drives the tapping motor 4 to rotate directly below the feed motor.

[0028] In an embodiment of this utility model, a waste recycling trough 17 is provided on the processing table 1 around the nut fixing block 3. By providing the waste recycling trough 17, it is convenient to collect the waste that falls around the nut fixing block 3, thereby fixing the waste on the upper end of the processing table 1 and preventing the waste from splashing into the interior of other parts.

[0029] In an embodiment of this utility model, a waste blowing pipe 18 is provided on the upper end of the nut fixing block 3. The input end of the waste blowing pipe 18 is connected to compressed air. By providing the waste blowing pipe 18 and connecting it to the input end of the waste blowing pipe 18, compressed air is blown into the interior of the nut fixing block 3, thereby blowing away the waste material remaining inside the nut fixing block 3, and allowing the remaining waste material to enter the waste recycling tank 17.

[0030] In an embodiment of this utility model, a water pump 19 is provided at the upper end of the top plate 2. The output end of the water pump 19 is connected to the input end of the cooling water pipe 8. By providing the water pump 19, water is transmitted to the cooling water pipe 8, thereby delivering the water to the tap 5.

[0031] In this embodiment of the utility model, a control valve 20 for controlling the action of the clamping cylinder 12 is installed on the upper end of the processing table 1. A control switch 21 is also provided on the upper end of the processing table 1. By setting the control valve 20, the clamping cylinder 12 and the feed servo cylinder 6 are controlled to retract or extend. By setting the control switch 21, the control switch 21 is connected to the tapping motor 4 and the rotary drive motor 91 to control the start and stop of the components.

[0032] In this embodiment of the utility model, the clamping block 11 has a support plate 22 for supporting the processed nut at its front end. The nut fixing block 3 has a groove that is slidably connected to the support plate 22. The processing table 1 is located below the nut fixing block 3 and has a cavity that is slidably connected to the tap 5 in the vertical direction. By setting the support plate 22, the upper end of the support plate 22 can be used to place the processed nut. Each time, the worker only needs to place the processed nut on the upper end of the support plate 22 and then start the clamping cylinder 12 to transport the processed nut into the nut fixing block 3. By setting the nut fixing block 3 to have an opening that is slidably connected to the support plate 22, the support plate 22 can slide alternately in the horizontal direction inside the nut fixing block 3, so that the processed nut is fully clamped between the clamping block 11 and the nut fixing block 3.

[0033] In use, first, place the nut to be processed on the support plate 22, start the clamping cylinder 12 to transport the nut to the inside of the nut fixing block 3, where the nut is clamped between the nut fixing block 3 and the clamping block 11. Operate the control switch 21 to start the feed servo cylinder 6 and the tapping motor 4. The output end of the feed servo cylinder 6 drives the feed rod 15 to move vertically. The feed rod 15 passes through the compression spring 23 and contacts the upper end of the transmission plate, causing the transmission plate to move downward. The transmission plate drives the tapping motor 4 to move, and the output end of the tapping motor 4 drives the fixture to rotate. The fixture drives the tap 5 to rotate, and the tap 5 moves towards the center of the nut to start the tapping work. After tapping one nut, start the tapping motor 4 to reverse and the feed servo cylinder 6 to retract, causing the tap 5 to unscrew from the nut. Start the clamping cylinder 12 to retract, and the clamping block 11 drives the support plate 22 to retract, transporting the nut out of the nut fixing block 3. Repeat the above process for batch processing. When the nut threading is completed, and the tap 5 is at a high temperature or needs to be replaced, the rotary drive motor 91 is started. The output end of the rotary drive motor 91 drives the transmission gear 92 to rotate. The transmission gear 92 drives the transmission rack 93 to rotate circumferentially in the rotating frame 13. The rotary drive motor 91 is connected to the PLC and is controlled by programming to achieve a fixed number of rotations for each rotation and select the rotation direction. This causes the rotary drive motor 91 to drive the tapping motor 4 to rotate directly below the feed motor. The high-temperature tap 5 rotates into the cooling tank 7. The water pump 19 is started to deliver water to the cooling water pipe 8, so that the water is delivered to the tap 5. The stored tap 5 is removed through the placement rack 10 and replaced with the tap 5 installed on the fixture. The tap 5 can be easily replaced. Compressed air is transmitted to the waste blowpipe 18. The waste blowpipe 18 discharges compressed air to blow away the waste inside the nut fixing block 3. The waste is fixed through the waste recycling tank 17.

[0034] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. A high-efficiency nut thread processing device, comprising a processing table (1), characterized in that, The processing table (1) has a top plate (2) installed at each of the four bottom corners of the upper end via a column. The processing table (1) has a nut fixing block (3) for fixing the processing nut at the upper end. The bottom of the top plate (2) is rotatably connected to multiple tapping motors (4). The output end of the tapping motor (4) is movably mounted with a tap (5) via a tap clamp. The top of the top plate (2) has a feed servo cylinder (6). The feed servo cylinder (6) is connected to the tapping motor (4) in the vertical direction. The upper end of the processing table (1) away from the nut fixing block (3) has a cooling tank (7). The cooling tank (7) has a cooling water pipe (8) inside. The upper end of the top plate (2) has a rotary drive mechanism (9) rotatably connected to multiple tapping motors (4) to drive multiple taps (5) to rotate between the cooling tank (7) and the upper end of the nut fixing block (3). The processing table (1) has a placement rack (10) for fixing the taps (5) on one side of the upper end.

2. The high-efficiency nut thread processing device according to claim 1, characterized in that: The front end of the nut fixing block (3) has an opening communicating with its interior. A clamping block (11) is slidably connected to the front end of the opening. A clamping cylinder (12) is provided at the upper end of the processing table (1) in front of the opening. The telescopic end of the clamping cylinder (12) is installed with the clamping block (11) away from the opening via a telescopic rod, so as to drive the clamping block (11) to move between the opening and the front end of the nut fixing block (3).

3. The high-efficiency nut thread processing device according to claim 2, characterized in that: The top plate (2) is connected to a rotating frame (13) in the circumferential direction via a guide rail. The bottom of the rotating frame (13) is located below the bottom of the top plate (2). The bottom of the rotating frame (13) is provided with fixed shells (14) at equal intervals in the circumferential direction. The bottom of the fixed shells (14) has an opening. The tapping motor (4) is slidably connected to the inside of the fixed shells (14) in the vertical direction. The tap (5) and tap clamp are slidably connected to the bottom of the inside of the fixed shells (14).

4. The high-efficiency nut thread processing device according to claim 3, characterized in that: The feed servo cylinder (6) is mounted on the upper end of the top plate (2) via a bracket. The feed rod (15) is mounted on the telescopic end of the feed servo cylinder (6). The upper end of the tapping motor (4) is provided with a transmission plate (16) that is slidably connected to the upper end of the fixed shell (14). The upper end of the transmission plate (16) and the upper end of the fixed shell (14) are respectively equipped with the two ends of the compression spring (23). The bottom of the feed rod (15) is slidably connected to the inside of the compression spring (23) to drive the transmission plate (16) to move in the vertical direction.

5. The high-efficiency nut thread processing device according to claim 3, characterized in that: The rotary drive mechanism (9) includes a rotary drive motor (91), a transmission gear (92), and a transmission rack (93). The rotary drive motor (91) is located on the upper end of the top plate (2). The output end of the rotary drive motor (91) is installed at the center of the transmission gear (92). The transmission rack (93) is located on the upper end of the rotating frame (13) in the circumferential direction. The transmission gear (92) and the transmission rack (93) are connected in a circumferential meshing transmission connection in the rotating frame (13).

6. The high-efficiency nut thread processing device according to claim 1, characterized in that: The processing table (1) is provided with a waste recycling trough (17) around the nut fixing block (3).

7. The high-efficiency nut thread processing device according to claim 1, characterized in that: The upper end of the nut fixing block (3) is provided with a waste blowing pipe (18), and the input end of the waste blowing pipe (18) is connected to compressed air.

8. The high-efficiency nut thread processing device according to claim 1, characterized in that: A water pump (19) is provided at the upper end of the top plate (2), and the output end of the water pump (19) is connected to the input end of the cooling water pipe (8).

9. The high-efficiency nut thread processing device according to claim 2, characterized in that: The upper end of the processing table (1) is equipped with a control valve (20) for controlling the action of the clamping cylinder (12), and the upper end of the processing table (1) is also equipped with a control switch (21).

10. The high-efficiency nut thread processing device according to claim 2, characterized in that: The clamping block (11) has a support plate (22) at its front end for carrying the processed nut. The nut fixing block (3) has a sliding groove that is slidably connected to the support plate (22). The processing table (1) is located below the nut fixing block (3) and has a cavity that is slidably connected to the tap (5) in the vertical direction.

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