Nitrogen balancing mechanism for cradle turntable and debugging method thereof

Abstract

The application discloses a nitrogen balance mechanism for a cradle rotary table and a debugging method thereof, and relates to the technical field of mechanical lathe equipment.The application comprises a rack, support shafts are fixedly connected to the two sides of the rack, drive boxes are movably connected to the surfaces of the support shafts, first nitrogen balance cylinders are arranged in the drive boxes, balance assemblies are arranged in the drive boxes, the balance assemblies comprise balance discs, connecting rods are fixedly connected to one side of each balance disc, rotary discs are fixedly connected to the other end of each connecting rod, and second nitrogen balance cylinders are arranged on one side of each rotary disc.The balance assemblies can balance the rotating strength of the rack by the first nitrogen balance cylinders when the rack rotates, the second nitrogen balance cylinders can be quickly connected when the first nitrogen balance cylinders are damaged, the second nitrogen balance cylinders can replace the first nitrogen balance cylinders, the stability of the rotating adjustment of the rack is ensured, and the rack does not need to be stopped for a long time for maintenance.

Description

Technical Field

[0001] This invention belongs to the technical field of mechanical lathe equipment, and in particular relates to a nitrogen balancing mechanism for a cradle turntable and its debugging method. Background Technology

[0002] The nitrogen balancing mechanism of the cradle turntable achieves system balance by regulating the pressure of nitrogen. This mechanism typically includes a nitrogen storage device (such as a cylinder or bladder), a pressure control device, and a transmission system. Nitrogen stored in the cylinder is released through a regulating valve system, precisely controlling the pressure and influencing the magnitude of the balancing force. A pressure sensor monitors the nitrogen pressure in real time to ensure the system remains stable. The nitrogen balancing cylinder counteracts the weight of the turntable and the torque generated during rotation, achieving balance.

[0003] Currently, nitrogen balance cylinders for cradle turntables use nitrogen pressure regulation to buffer the rotation force of the cradle turntable, thereby balancing the rotation force. However, nitrogen balance cylinders are often single-unit designs, and their internal structure relies on the reciprocating action of pistons and seals to regulate nitrogen pressure. After prolonged use, if the seals wear out, gas leakage will occur, causing the overall equipment to lose its pressure balance. This requires long-term shutdown for maintenance and replacement, affecting the normal operation of the equipment.

[0004] To address these issues, we provide a nitrogen balancing mechanism for a cradle turntable and its adjustment method. Summary of the Invention

[0005] The purpose of this invention is to provide a nitrogen balancing mechanism for a cradle turntable and its debugging method. By cooperating with the balancing component, the snap-fit ​​component and the limiting component, the invention solves the problem in the prior art where, after long-term use, the seals of the nitrogen balancing cylinder of the cradle turntable wear out, causing gas leakage and resulting in an imbalance of the overall equipment's balancing pressure.

[0006] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution.

[0007] This invention relates to a nitrogen balancing mechanism and its debugging method for a cradle turntable. The mechanism includes a frame with support shafts fixedly connected to both sides. A drive box is movably connected to the surface of each support shaft, and a first nitrogen balancing cylinder is housed inside the drive box. A balancing assembly, comprising a balancing disk, is also housed inside the drive box. A connecting rod is fixedly connected to one side of the balancing disk, and a turntable is fixedly connected to the other end of the connecting rod. A second nitrogen balancing cylinder is housed on one side of the turntable. The balancing assembly balances the rotational force of the frame. A locking assembly, including a moving groove, is located on one side of the turntable and contains a locking slot. A support sleeve is mounted on the top of the second nitrogen balancing cylinder, and a crossbar is fixedly connected inside the support sleeve. The locking assembly activates the second nitrogen balancing cylinder. A limit assembly, comprising a support box, is housed inside the support box. A servo motor is fixedly connected inside the support box, and a screw is fixedly connected to the output end of the servo motor. A moving block is threaded onto the surface of the screw. The limit assembly limits the movement of the second nitrogen balancing cylinder.

[0008] The present invention is further configured such that a fixing sleeve is fitted on the surface of the connecting rod, and the bottom of the fixing sleeve is fixedly connected to the output end of the first nitrogen balance cylinder.

[0009] The present invention is further configured such that the snap-fit ​​assembly includes a square post, the square post being slidably connected inside the crossbar, and one end of the square post passing through the crossbar and fixedly connected to a limit rod.

[0010] The invention is further configured such that a pull rod is fixedly connected to one side of the square column, a spring is sleeved on the surface of the pull rod, and the other end of the pull rod extends through to the outside of the crossbar and is fixedly connected to a pull ring.

[0011] The present invention is further configured such that the bottom of the first nitrogen balance cylinder and the second nitrogen balance cylinder are movably connected with pin seats, and the bottom of the pin seats is fixedly connected to the inner wall of the drive box.

[0012] The present invention is further configured such that an air supply component is provided inside the drive box, the air supply component includes a pressure tank, the air outlet of the pressure tank is connected to an air supply pipe, and a connecting pipe is connected to one side of both the first nitrogen balance cylinder and the second nitrogen balance cylinder, and the other end of the connecting pipe is connected to the air supply pipe.

[0013] The present invention is further configured such that a first solenoid valve and a first pressure gauge are sleeved on the surface of the gas transmission pipe, and a second solenoid valve and a second pressure gauge are sleeved on the surface of the connecting pipe.

[0014] The invention is further configured such that a movable frame is fixedly connected to the surface of the movable block, the other end of the movable frame extends through to the outside of the support box, and the bottom of the movable frame contacts the crossbar.

[0015] The present invention is further configured such that a drive motor is installed on the rear side of the drive box, and an adjustment plate is installed on the top of the platform.

[0016] A method for adjusting a nitrogen balancing mechanism for a cradle turntable includes the following steps;

[0017] S1: When the drive motor drives the frame to rotate, nitrogen can be injected into the first nitrogen balance cylinder using a pressure tank. After nitrogen is injected into the first nitrogen balance cylinder, the balance disc can be pushed to rotate when the frame rotates. The balance disc, together with the connecting rod, drives the fixed sleeve to move. When the fixed sleeve rotates with the balance disc, it can stretch and compress the piston rod of the first nitrogen balance cylinder. The rotational force of the frame is balanced by the nitrogen inside the first nitrogen balance cylinder, thereby improving the stability during processing.

[0018] S2: After the first nitrogen balance cylinder has been working for a long time, the pressure inside the first nitrogen balance cylinder can be detected by the first pressure gauge. When the seal inside the first nitrogen balance cylinder is damaged, the servo motor can be started by the external controller. The servo motor, together with the screw, drives the moving block to move. The moving block drives the moving frame to move upward, thus removing the obstruction to the crossbar.

[0019] S3: When the crossbar is no longer obstructed, since the second nitrogen balance cylinder is also filled with nitrogen, the output end of the second nitrogen balance cylinder will push the support sleeve and the crossbar to move. When the crossbar moves, it will drive the limit rod to slide inside the moving groove. When the limit rod is aligned with the slot, under the action of the spring, it can push the square column and the limit rod to move, so that the limit rod can be inserted into the slot, thus fixing the output end of the second nitrogen balance cylinder and connecting the second nitrogen balance cylinder with the support shaft. This allows for quick replacement of the first nitrogen balance cylinder without long-term downtime for maintenance, enabling continuous processing.

[0020] The present invention has the following beneficial effects.

[0021] 1. By setting up a balancing component, the present invention can balance the rotation force of the test bench by using a first nitrogen balancing cylinder when the test bench is rotating. At the same time, if the first nitrogen balancing cylinder is damaged, a second nitrogen balancing cylinder can be quickly connected and used to replace the first nitrogen balancing cylinder, thus ensuring the stability of the test bench rotation adjustment, and eliminating the need for long-term downtime for maintenance.

[0022] 2. By setting the limiting component, the present invention can keep the crossbar, turntable and balance plate on the same axis when the auxiliary frame of the first nitrogen balance cylinder rotates. At this time, the balance plate drives the connecting rod to push the first nitrogen balance cylinder, and the second nitrogen balance cylinder will not rotate with it, thus playing the role of separating the first nitrogen balance cylinder and the second nitrogen balance cylinder.

[0023] 3. By setting up a snap-fit ​​component, this invention can use a servo motor to drive the moving frame to move when the first nitrogen balance cylinder is damaged, thus eliminating the push on the crossbar. When the second nitrogen balance cylinder is filled with nitrogen, its output end will push the support sleeve and crossbar to move, allowing the second nitrogen balance cylinder to quickly connect with the eccentric end of the turntable. This allows the second nitrogen balance cylinder to be compressed and stretched while the table rotates, and the rotational force of the nitrogen balance table is used to improve the stability of processing.

[0024] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0025] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0026] Figure 1 This is a three-dimensional diagram of a nitrogen balancing mechanism for a cradle turntable and its debugging method.

[0027] Figure 2 This is a cross-sectional view of the drive box in a nitrogen balancing mechanism and its debugging method for a cradle turntable.

[0028] Figure 3 This is a schematic diagram of the pneumatic pipeline connection in a nitrogen balancing mechanism and its debugging method for a cradle turntable.

[0029] Figure 4 This is a partial cross-sectional view of the turntable in a nitrogen balancing mechanism and its debugging method for a cradle turntable.

[0030] Figure 5 This is a cross-sectional view of the crossbar in a nitrogen balancing mechanism and its debugging method for a cradle turntable.

[0031] Figure 6 This is a cross-sectional view of the support box in a nitrogen balancing mechanism and its debugging method for a cradle turntable.

[0032] Figure 7 This is a schematic diagram showing the replacement of the first nitrogen balance cylinder with the second nitrogen balance cylinder in a nitrogen balance mechanism and its debugging method for a cradle turntable.

[0033] In the attached diagram: 1. Stand; 2. Support shaft; 3. Drive box; 4. First nitrogen balance cylinder; 5. Balance disc; 6. Connecting rod; 7. Turntable; 8. Second nitrogen balance cylinder; 9. Moving slot; 10. Slot; 11. Support sleeve; 12. Crossbar; 13. Support box; 14. Servo motor; 15. Screw; 16. Moving block; 17. Fixed sleeve; 18. Square column; 19. Limiting rod; 20. Pull rod; 21. Spring; 22. Pull ring; 23. Pin seat; 24. Pressure tank; 25. Gas supply pipe; 26. Connecting pipe; 27. First solenoid valve; 28. First pressure gauge; 29. ​​Second solenoid valve; 30. Second pressure gauge; 31. Moving frame; 32. Drive motor; 33. Adjusting disc. Detailed Implementation

[0034] The technical solutions of the present invention will be described below with reference to the accompanying drawings. The described embodiments are only some embodiments of the present invention, and not all embodiments.

[0035] Example 1

[0036] Please see Figure 1-7 This invention relates to a nitrogen balancing mechanism and its debugging method for a cradle turntable. It includes a frame 1, with support shafts 2 fixedly connected to both sides of the frame 1. A drive box 3 is movably connected to the surface of the support shafts 2. A first nitrogen balancing cylinder 4 is installed inside the drive box 3. A balancing assembly is installed inside the drive box 3, including a balancing disk 5. A connecting rod 6 is fixedly connected to one side of the balancing disk 5, and a turntable 7 is fixedly connected to the other end of the connecting rod 6. A second nitrogen balancing cylinder 8 is installed on one side of the turntable 7. The balancing assembly balances the rotational force of the frame 1. A locking assembly is installed on one side of the turntable 7 for locking... The component includes a moving slot 9, which is located on one side of the turntable 7. A slot 10 is provided inside the moving slot 9. A support sleeve 11 is installed on the top of the second nitrogen balance cylinder 8. A crossbar 12 is fixedly connected inside the support sleeve 11. The second nitrogen balance cylinder 8 is activated by the snap-fit ​​component. A limit component is provided inside the drive box 3. The limit component includes a support box 13. A servo motor 14 is fixedly connected inside the support box 13. A screw 15 is fixedly connected to the output end of the servo motor 14. A moving block 16 is threadedly connected to the surface of the screw 15. The second nitrogen balance cylinder 8 is limited by the limit component.

[0037] Specifically: The surface of the support shaft 2 is movably connected to the drive box 3 via bearings. The support shaft 2 is connected to the drive motor 32 via a reducer. The drive motor 32 can drive the platform 1 to rotate. The nitrogen balance cylinder balances the weight of the platform 1 by adjusting the pressure of nitrogen. Nitrogen is stored in the cylinder. When the angle or load of the platform 1 changes, the nitrogen pressure is automatically adjusted. The gas flow is controlled by a valve to generate buoyancy to counteract the gravity and torque of the turntable and maintain balance. A pressure sensor is installed inside the nitrogen balance cylinder to monitor the gas pressure in real time and ensure stable balancing effect.

[0038] Example 2

[0039] Please see Figure 1-7 Based on Embodiment 1, a fixing sleeve 17 is fitted on the surface of the connecting rod 6. The bottom of the fixing sleeve 17 is fixedly connected to the output end of the first nitrogen balance cylinder 4. The snap-fit ​​assembly also includes a square post 18, which is slidably connected inside the crossbar 12. One end of the square post 18 passes through the crossbar 12 and is fixedly connected to a limit rod 19. A pull rod 20 is fixedly connected to one side of the square post 18. A spring 21 is fitted on the surface of the pull rod 20. The other end of the pull rod 20 passes through the outside of the crossbar 12 and is fixedly connected to a pull ring 22. The bottom of the first nitrogen balance cylinder 4 and the second nitrogen balance cylinder 8 are both movably connected to a pin seat 23. The bottom of the pin seat 23 is fixedly connected to the inner wall of the drive box 3.

[0040] Specifically: A vertical plate is movably connected to the surface of the turntable 7 via a bearing. The top of the vertical plate is fixed to the inner wall of the drive box 3 to support the rotation of the turntable 7. The limiting rod 19 is slidably connected to the inner wall of the moving groove 9. The diameter of the limiting rod 19 is the same as the inner diameter of the slot 10. When the limiting rod 19 is inserted into the slot 10, it can connect to the second nitrogen balance cylinder 8. The screw 15 is threadedly connected to the moving block 16. When the servo motor 14 drives the screw 15 to rotate, the position of the moving block 16 can be adjusted.

[0041] Example 3

[0042] Please see Figure 1-7 Based on Embodiment 1, the drive box 3 is equipped with an air supply component, which includes a pressure tank 24. The outlet of the pressure tank 24 is connected to an air supply pipe 25. One side of the first nitrogen balance cylinder 4 and the second nitrogen balance cylinder 8 are connected to a connecting pipe 26. The other end of the connecting pipe 26 is connected to the air supply pipe 25. The surface of the air supply pipe 25 is fitted with a first solenoid valve 27 and a first pressure gauge 28. The surface of the connecting pipe 26 is fitted with a second solenoid valve 29 and a second pressure gauge 30. The surface of the moving block 16 is fixedly connected to a moving frame 31. The other end of the moving frame 31 extends through to the outside of the support box 13. The bottom of the moving frame 31 is in contact with the crossbar 12. A drive motor 32 is installed on the rear side of the drive box 3. An adjustment plate 33 is installed on the top of the platform 1.

[0043] Specifically: the square column 18 is slidably connected to the inner wall of the crossbar 12, which can maintain the transmission of rotational power when the square column 18 moves telescopically; the spring 21 has the function of compression and energy storage, which can elastically reset the square column 18; the pull ring 22 is connected to the square column 18 through the pull rod 20, which can be pulled to quickly disassemble the second nitrogen balance cylinder 8 when it is necessary to release it; the pressure tank 24 stores high-pressure nitrogen; the first solenoid valve 27 can control the opening and closing of the gas supply pipe 25; and the second solenoid valve 29 can control the opening and closing of the connecting pipe 26.

[0044] The working principle of this invention is as follows: When the drive motor 32 drives the frame 1 to rotate, nitrogen gas can be injected into the first nitrogen balance cylinder 4 using the pressure tank 24. After nitrogen gas is injected into the first nitrogen balance cylinder 4, the balance disk 5 can be pushed to rotate when the frame 1 rotates. The balance disk 5, together with the connecting rod 6, drives the fixed sleeve 17 to move. When the fixed sleeve 17 rotates with the balance disk 5, it can stretch and compress the piston rod of the first nitrogen balance cylinder 4. The rotational force of the nitrogen balance frame 1 inside the first nitrogen balance cylinder 4 is used to improve the stability during processing.

[0045] After the first nitrogen balance cylinder 4 has been working for a long time, the pressure inside the first nitrogen balance cylinder 4 can be detected by the first pressure gauge 28. When the internal seal of the first nitrogen balance cylinder 4 is damaged, the servo motor 14 can be started by the external controller. The servo motor 14, together with the screw 15, drives the moving block 16 to move. The moving block 16 drives the moving frame 31 to move upward, thus removing the obstruction to the crossbar 12.

[0046] When the crossbar 12 is no longer obstructed, since the second nitrogen balance cylinder 8 is also filled with nitrogen, the output end of the second nitrogen balance cylinder 8 will push the support sleeve 11 and the crossbar 12 to move. When the crossbar 12 moves, it will drive the limiting rod 19 to slide inside the moving groove 9. When the limiting rod 19 is aligned with the slot 10, under the action of the spring 21, it can push the square column 18 and the limiting rod 19 to move, so that the limiting rod 19 is inserted into the slot 10, thus fixing the output end of the second nitrogen balance cylinder 8 and connecting the second nitrogen balance cylinder 8 with the support shaft 2. The first nitrogen balance cylinder 4 can be quickly replaced without long-term downtime for maintenance, and continuous processing can be achieved.

[0047] All standard parts used in this invention can be purchased from the market, and can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art.

[0048] The preferred embodiments of the present invention disclosed above are only for the purpose of illustrating the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation described herein. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can better understand and utilize the present invention.

Claims

1. A nitrogen balancing mechanism for a cradle turntable comprising a gantry (1), characterised in that: Both sides of the rack (1) are fixedly connected with support shafts (2), the surface of the support shaft (2) is movably connected with a drive box (3), and the inside of the drive box (3) is provided with a first nitrogen balance cylinder (4); The inside of the drive box (3) is provided with a balance assembly, the balance assembly comprises a balance disc (5), one side of the balance disc (5) is fixedly connected with a connecting rod (6), the other end of the connecting rod (6) is fixedly connected with a rotating disc (7), one side of the rotating disc (7) is provided with a second nitrogen balance cylinder (8), and the rotating force of the rack (1) is balanced through the balance assembly; One side of the rotating disc (7) is provided with a clamping assembly, the clamping assembly comprises a moving groove (9), the moving groove (9) is formed in one side of the rotating disc (7), a clamping groove (10) is formed in the inside of the moving groove (9), a supporting sleeve (11) is mounted on the top of the second nitrogen balance cylinder (8), and the inside of the supporting sleeve (11) is fixedly connected with a cross rod (12); the second nitrogen balance cylinder (8) is enabled through the clamping assembly; The inside of the drive box (3) is provided with a limiting assembly, the limiting assembly comprises a supporting box (13), the inside of the supporting box (13) is fixedly connected with a servo motor (14), the output end of the servo motor (14) is fixedly connected with a screw rod (15), the surface of the screw rod (15) is threadedly connected with a moving block (16), and the second nitrogen balance cylinder (8) is limited through the limiting assembly; The clamping assembly further comprises a square column (18), the square column (18) is slidably connected in the inside of the cross rod (12), one end of the square column (18) penetrates through the cross rod (12) and is fixedly connected with a limiting rod (19); One side of the square column (18) is fixedly connected with a pull rod (20), the surface of the pull rod (20) is sleeved with a spring (21), and the other end of the pull rod (20) penetrates to the outside of the cross rod (12) and is fixedly connected with a pull ring (22); The surface of the moving block (16) is fixedly connected with a moving frame (31), the other end of the moving frame (31) penetrates to the outside of the supporting box (13), and the bottom of the moving frame (31) is in contact with the cross rod (12).

2. A nitrogen balance mechanism for a cradle turret as claimed in claim 1, characterized in that: The surface of the connecting rod (6) is sleeved with a fixed sleeve (17), and the bottom of the fixed sleeve (17) is fixedly connected with the output end of the first nitrogen balance cylinder (4).

3. A nitrogen balance mechanism for a cradle turret as claimed in claim 2, characterized in that: The bottoms of the first nitrogen balance cylinder (4) and the second nitrogen balance cylinder (8) are movably connected with pin shaft seats (23), and the bottoms of the pin shaft seats (23) are fixedly connected with the inner wall of the drive box (3).

4. A nitrogen balance mechanism for a cradle turret as claimed in claim 3, characterized in that: The inside of the drive box (3) is provided with a gas supply assembly, the gas supply assembly comprises a pressure tank (24), the gas outlet of the pressure tank (24) is communicated with a gas conveying pipe (25), one side of the first nitrogen balance cylinder (4) and the second nitrogen balance cylinder (8) is communicated with a connecting pipe (26), and the other end of the connecting pipe (26) is communicated with the gas conveying pipe (25).

5. A nitrogen balance mechanism for a cradle turret as claimed in claim 4, characterized in that: The surface of the gas conveying pipe (25) is sleeved with a first electromagnetic valve (27) and a first pressure gauge (28), and the surface of the connecting pipe (26) is sleeved with a second electromagnetic valve (29) and a second pressure gauge (30).

6. A nitrogen balance mechanism for a cradle turret as claimed in claim 5, wherein: The drive box (3) rear side is provided with a drive motor (32), and the gantry (1) top is provided with an adjusting disc (33).

7. A method for debugging a nitrogen balance mechanism for a cradle turntable, based on the nitrogen balance mechanism for a cradle turntable according to claim 6, characterized in that, It comprises the following steps: S1: when the gantry (1) is rotating under the drive of the drive motor (32), nitrogen is injected into the first nitrogen balance cylinder (4) by the pressure tank (24), after the nitrogen is injected into the first nitrogen balance cylinder (4), when the gantry (1) is rotating, the balance disc (5) is pushed to rotate, the balance disc (5) drives the fixed sleeve (17) to move in cooperation with the connecting rod (6), the fixed sleeve (17) stretches and extrudes the piston rod of the first nitrogen balance cylinder (4) when following the balance disc (5) rotates, the nitrogen in the first nitrogen balance cylinder (4) balances the rotating force of the gantry (1), and the stability during machining is improved; S2: after the first nitrogen balance cylinder (4) works for a long time, the air pressure in the first nitrogen balance cylinder (4) is detected by the first pressure gauge (28), when the sealing element in the first nitrogen balance cylinder (4) is damaged, the servo motor (14) is started by the external controller, the servo motor (14) drives the moving block (16) to move in cooperation with the screw rod (15), the moving block (16) drives the moving frame (31) to move upwards, and the blocking of the cross rod (12) is cancelled; S3: when the cross rod (12) loses the blockage, since the second nitrogen balance cylinder (8) is also filled with nitrogen, the output end of the second nitrogen balance cylinder (8) pushes the support sleeve (11) and the cross rod (12) to move, the cross rod (12) drives the limiting rod (19) to slide in the moving groove (9) when moving, when the limiting rod (19) is aligned with the clamping groove (10), the square column (18) and the limiting rod (19) are pushed to move under the action of the spring (21), the limiting rod (19) is inserted into the clamping groove (10), the fixing of the output end of the second nitrogen balance cylinder (8) is completed, the second nitrogen balance cylinder (8) is connected with the support shaft (2), the first nitrogen balance cylinder (4) is quickly replaced, long-time shutdown for maintenance is not needed, and continuous machining is realized.

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