A numerically controlled lathe with a swing arm feeder and its control method

Abstract

The present invention relates to the technical field of numerically controlled lathes, and in particular to a numerically controlled lathe with a swing arm feeding device and its control method, including a processing table, on the top of which a clamping assembly and a tool assembly are installed in cooperation. The invention further includes: a vibration cylinder fixed on one side of the processing table, and a guiding plate fixedly communicated with the outlet of the vibration cylinder for guiding and conveying the raw materials falling from the vibration cylinder; a swing arm assembly fixed on the top of the processing table through a first support plate for clamping and transporting the raw materials conveyed by the guiding plate to the clamping assembly for processing; a blanking and collecting assembly fixed on the top of the lowest end of the guiding plate. Through the setting of the blanking and collecting assembly, defective raw materials are screened, which is beneficial to improving the safety during the operation of the equipment and avoiding the situation that defective products are generated and affect the processing efficiency of the equipment.

Description

Technical Field

[0001] The present invention relates to the field of numerically controlled lathes, and particularly to a numerically controlled lathe with a swing arm feeding device and a control method thereof. Background Art

[0002] A numerically controlled lathe is an automated machine tool that uses digital control technology to control the movement of the machine tool. It can automatically complete turning processing tasks according to a pre-programmed procedure, and has the characteristics of high precision, high efficiency and high automation. Numerically controlled lathes are widely used in the field of mechanical manufacturing and can process various parts with complex shapes.

[0003] When using a swing arm to convey raw materials to a numerically controlled lathe, the feeding process can proceed smoothly when the raw materials are intact. However, if the raw materials are damaged, on the one hand, during the feeding process, the raw materials may fall off, and the raw materials that fall off during transportation may fall and damage the equipment. On the other hand, when the damaged raw materials are conveyed to the numerically controlled lathe for processing, the rejection rate during the processing will increase, affecting the processing efficiency of the numerically controlled lathe. Summary of the Invention

[0004] The purpose of the present invention is to solve the deficiencies in the prior art and propose a numerically controlled lathe with a swing arm feeding device and a control method thereof.

[0005] In a first aspect, the present invention provides a numerically controlled lathe with a swing arm feeding device, including a processing table, on the top of which a clamping assembly and a tool assembly that cooperate with each other are installed. The numerically controlled lathe further includes:

[0006] An oscillation cylinder, fixed on one side of the processing table, and a guiding plate is fixedly communicated with the outlet of the oscillation cylinder for guiding the conveyance of the raw materials falling from the oscillation cylinder;

[0007] A swing arm assembly, fixed on the top of the processing table through a first support plate, for clamping and transporting the raw materials conveyed by the guiding plate to the clamping assembly for clamping and processing;

[0008] A connecting rod, fixedly supporting and connecting between the guiding plate and the first support plate;

[0009] A blanking collection assembly, fixed on the top of the lowest end of the guiding plate. The swing arm assembly clamps the raw materials and passes through the inside of the blanking collection assembly to recycle the raw materials whose surface damage causes unstable clamping and falling;

[0010] The staff places the raw material inside the oscillating cylinder. Under the action of the oscillating cylinder, the raw material falls down along the guide plate in sequence. When the raw material falls to the bottom of the guide plate, it is intercepted and stopped by the edge of the guide plate. A notch is provided at the bottom of the guide plate. At this time, when the clamping end of the swing arm assembly moves to the notch position at the bottom of the guide plate, the raw material can be clamped through the notch, so that the swing arm assembly drives the raw material to move toward the clamping assembly through clamping, until the raw material is inserted into the inside of the clamping assembly. The clamping assembly can clamp the raw material and drive the raw material to rotate, and then the tool assembly is controlled to move toward the raw material clamped by the clamping assembly, and the raw material is turned to realize automatic feeding processing of the raw material;

[0011] In the process of the swing arm assembly clamping and moving the raw material, the swing arm assembly drives the raw material to pass through the falling material collection assembly. Within the range of the falling material collection assembly, if the raw material is damaged on the outside, and there are grooves and unevenness on the outside of the raw material, the swing arm assembly is controlled to keep the clamping position of the raw material unchanged. Therefore, when the raw material is damaged on the outside and has grooves and unevenness, there is no fulcrum when the swing arm assembly clamps the raw material, which causes the raw material to fall due to unstable clamping. At this time, the fallen raw material is collected along the falling material collection assembly. By controlling the clamping force of the swing arm assembly, the swing arm assembly is kept The clamping force is maintained at a level that can stably clamp the intact raw materials. At this time, the raw materials with grooves on the surface will fall due to unstable clamping, thereby screening the defective raw materials. On the one hand, by screening the defective raw materials and making them fall and be collected within the range of the falling material collection component, it is beneficial to avoid the raw materials falling during the clamping movement and causing damage to the equipment, which is beneficial to improving the safety of the equipment during operation. On the other hand, by screening and collecting the defective raw materials, it is beneficial to avoid the defective raw materials being transported to the clamping component for processing, and finally generating poor products that affect the processing efficiency of the equipment.

[0012] Preferably, the swing arm assembly comprises:

[0013] A rotating rod, one end of which is supported by a bracket, the rotating rod is rotatably connected to the bracket, and the bracket is slidably mounted on the top of the first support plate;

[0014] A driving mechanism, mounted on the top of the first supporting plate, for driving the rotating rod to rotate;

[0015] A pushing mechanism, installed on the top of the first supporting plate, used to push the rotating rod to move;

[0016] A rotating arm is detachably fixed to the end of the rotating rod, and a rotating plate is mounted on the side wall of the rotating arm through a flip adjustment mechanism;

[0017] Two clamping jaws are symmetrically fixedly mounted on both ends of the rotating plate, and the clamping jaws are used to clamp the raw material;

[0018] When it is necessary to clamp the raw material, the pushing mechanism pushes the rotating rod to move away from the guiding plate, so that when the rotating rod drives the rotating arm to rotate, it will not be hindered by the raw material on the guiding plate. The rotating rod drives the rotating arm to rotate towards the guiding plate under the driving action of the driving mechanism until the rotating arm rotates to align with the raw material at the bottom of the guiding plate. At this time, the driving mechanism stops driving the rotation of the rotating rod. Then the pushing mechanism starts again to drive the rotating rod to move towards the guiding plate, so that the clamping jaw approaches the raw material from the notch position to clamp the raw material. After the clamping jaw completes the clamping of the raw material, the flipping and adjusting mechanism drives the rotating plate to rotate, thereby driving the clamping jaw to rotate, so that the clamping jaw drives the raw material to pass through the blanking and collecting assembly. At this time, if the raw material drops, after the clamping jaw passes through the blanking and collecting assembly, the flipping and adjusting mechanism continues to drive the rotating plate to rotate. After the rotating plate rotates, it drives the other clamping jaw to flip. And during the rotation of the rotating plate, the pushing mechanism starts again to push the rotating rod to drive the clamping jaw to move away from the guiding plate until the rotating plate flips to a position flush with the rotating arm, that is, the other clamping jaw flips to a position aligned with the raw material at the bottom of the guiding plate. The pushing mechanism starts again to drive the rotating rod to move towards the guiding plate, so that the other clamping jaw clamps the raw material and conveys the raw material again until the conveyed raw material is undamaged and no longer drops at the position of the blanking and collecting assembly. Subsequently, after the clamping jaw drives the raw material to pass through the blanking and collecting assembly, the driving mechanism starts again to drive the rotating rod to rotate. At the same time, the flipping and adjusting mechanism slowly stops rotating and drives the rotating plate to rotate back to the rotating arm in the reverse direction until the rotating plate returns to a position flush with the rotating arm and stops. Finally, under the driving action of the driving mechanism, it drives the rotating arm and the rotating plate to rotate synchronously to drive the raw material clamped by the clamping jaw to be conveyed to the clamping assembly until the raw material is conveyed to the clamping assembly and then inserted into the interior of the clamping assembly under the pushing action of the pushing mechanism to realize the conveying of the raw material;

[0019] During this process, it is possible to judge whether the outside of the raw material is damaged, so as to guide and collect the raw material with obvious external damage that causes unstable clamping. And when the damaged raw material drops, it is possible to continue to move to clamp the next raw material without switching, which is beneficial to improving the smoothness of the equipment operation and the efficiency of clamping and conveying the raw material.

[0020] Preferably, the blanking and collecting assembly includes:

[0021] An arc-shaped rail, fixed to the top of the lowest end of the guiding plate, and the end of the arc-shaped rail is in track communication with the end of the guiding plate;

[0022] A recycling box, fixed to the bottom of the lowest end of the guiding plate, and the recycling box is fixedly connected to the bottom support of the shock cylinder through a second support plate. The top of the recycling box is in communication with the recycling opening opened on the side wall of the arc-shaped rail;

[0023] The baffle is rotatably installed at the edge of the recovery opening. A torsion spring is sleeved outside the rotating shaft of the baffle, and both ends of the torsion spring are fixedly connected to the recovery opening and the baffle respectively;

[0024] The clamping jaws drive the raw material to move through the arc track. First, the clamping jaws drive the raw material to push the baffle to turn over, so that the baffle turns over to give way to the clamping jaws. Until the clamping jaws drive the raw material to pass through the baffle, the baffle resets under the torsional force of the torsion spring. The clamping jaws drive the raw material to continue to move through the arc track. If the surface of the raw material is damaged and the clamping of the raw material by the clamping jaws is unstable, the raw material will fall during the process of passing through the arc track. The fallen raw material moves along the track of the arc track towards the recovery opening under the trajectory limitation of the arc track, and finally falls into the interior of the recovery box through the recovery opening to achieve recovery. Therefore, during the raw material conveying process, if the raw material falls, the fallen raw material can be guided so that the raw material is recovered along the track, which is beneficial to avoiding the situation that the equipment is damaged by the falling raw material during the falling process, and thus is beneficial to improving the safety during the raw material conveying process.

[0025] Preferably, it further includes:

[0026] The vibrating plate is slidably installed inside the arc track, and the lower side of the vibrating plate is waveform-shaped;

[0027] A plurality of springs are arranged in an array along the track of the arc track. One end of the spring is fixedly connected to the vibrating plate, and the other end of the spring is fixedly connected to the inner wall of the arc track;

[0028] When the clamping jaws drive the raw material to pass through the inside of the arc track, the edge of the clamping jaws squeezes the vibrating plate, and the vibrating plate compresses the spring, so that the spring compresses to generate elastic force. Until the clamping jaws move to the waveform depression of the vibrating plate, the vibrating plate loses the pushing and squeezing of the clamping jaws, and impacts the clamping jaws under the elastic force of the spring, thus playing a role of vibrating and patting the clamping jaws. Therefore, when the clamping of the raw material by the clamping jaws is unstable, it can promote the falling of the raw material, which is beneficial to avoiding the situation that the raw material is not dropped and collected inside the arc track and then falls again after moving out of the arc track to cause potential safety hazards, and thus is beneficial to improving the accuracy of collecting damaged raw materials.

[0029] Preferably, crack detectors are fixedly installed inside the clamping jaws;

[0030] The crack detector can detect the surface cracks of raw materials. For example, the crack detector can use a high-sensitivity sensor, a laser displacement sensor, or a photo acquisition sensor to detect the cracks on the surface of raw materials through self-induction or comparison. When cracks are detected on the surface of the raw materials, the clamping jaws are controlled to release the clamping of the raw materials, so that the raw materials are recycled as damaged raw materials. On the one hand, it helps to avoid the situation where the cracks of the raw materials burst open during the process of transporting the cracked raw materials to the clamping assembly for processing, resulting in the scattering of fragments and forming a safety hazard. On the other hand, it helps to avoid the formation of waste materials during the processing of cracked raw materials, increasing the scrap rate and thus affecting the processing efficiency.

[0031] Second, a control method for a numerically controlled lathe with swing-arm feeding is provided, which is applicable to a numerically controlled lathe with swing-arm feeding described in the claims. A control unit is installed on the top of the processing table, a pressure sensor is fixed on the top of the blocking plate, and an angle detector for detecting the angle between the rotating plate and the rotating arm is installed on the side wall of the rotating plate. The control unit includes a user terminal. The control method includes the following steps:

[0032] A1. The control unit obtains the swing-arm angle information from the swing-arm assembly, and the swing-arm angle information includes the clamping angle information α1.

[0033] A2. The control unit generates swing-arm state information according to the swing-arm angle information, and the swing-arm state information includes vertical state information and other state information.

[0034] A3. When the swing-arm state information is vertical state information, the control unit obtains the pressure state information from the pressure sensor, and the pressure state information includes pressure information and non-pressure information.

[0035] A4. The control unit selects target control information according to the pressure state information and the vertical state information.

[0036] A5. The control unit sends the target control information to the swing-arm assembly.

[0037] An angle detector for detecting the angle between the rotating plate and the rotating arm is installed on the rotating plate in the swing-arm assembly. The angle detector detects the angle between the rotating plate and the rotating arm to form the clamping angle information α1. The swing-arm angle information includes the clamping angle information α1. The angle detector sends the swing-arm angle information to the control unit, so that the control unit obtains the swing-arm angle information. The control unit divides the position state of the rotating plate into a vertical state and other states according to the swing-arm angle information, thereby generating the corresponding vertical state information and other state information.

[0038] For example, according to the angle at which the rotating plate drives the clamping claw to move out of the arc rail, when the swing arm angle information is this angle, the control unit generates vertical state information, and the swing arm state information is the vertical state information at this time; at other angles, the control unit generates other state information, and the swing arm state information is the other state information at this time;

[0039] When the swing arm state information is the vertical state information, the pressure sensor generates corresponding pressure state information according to itself within a specified time period. For example, within the time period starting from when the rotating plate drives the clamping claw to enter the interior of the arc track until the rotating plate drives the clamping claw to move out of the interior of the arc track, if the pressure sensor is pressurized, it is in a pressurized state and generates corresponding pressurized information. At this time, the pressure state information is pressurized information. If the pressure sensor is not pressurized, it is in a non-pressurized state and generates corresponding non-pressurized information. At this time, the pressure state information is non-pressurized information. The pressure sensor sends the pressure state information to the control unit, so that the control unit obtains the pressure state information of the pressure sensor.

[0040] The control unit selects target control information according to the pressure state information and the vertical state information, so as to correspondingly control the clamping jaw to drive the raw material to move toward the clamping assembly for raw material transportation or control another clamping jaw to re-clamp the raw material.

[0041] Preferably, the step A2 comprises:

[0042] The control unit obtains the switching angle information α0 from the user terminal;

[0043] Substituting the clamping angle information α1 and the switching angle information α0 into the judgment formula α1=α0, when the judgment formula is met, the control unit generates vertical state information, and when the judgment formula is not met, the control unit generates other state information;

[0044] The operator inputs the switching angle information α0 from the user end of the control unit. The switching angle information α0 is the angle when the clamp drives the material to rotate and move out of the curved track. For example, when the clamp drives the material to move out of the curved track, the angle between the rotating arm and the rotating plate is 90 degrees, then the switching angle information α0=90°, and the control unit brings the switching angle information α0=90° and the clamping angle information α1 into α1=α0=90°. When the judgment formula is met, the control unit generates vertical state information. When the judgment formula is not met, the control unit generates the remaining state information to realize the judgment of the swing arm state information.

[0045] Preferably, the A4 step specifically includes:

[0046] When the pressure state information is the no-pressure information, the control unit selects the feeding control information as the target control information according to the no-pressure information and the vertical state information, and the feeding control information is used to control the swing arm assembly to feed the raw material to the clamping assembly;

[0047] When the pressure state information is the pressure-applied information, the control unit selects the re-clamping control information as the target control information according to the pressure-applied information and the vertical state information, and the re-clamping control information is used to control the swing arm assembly to re-clamp the raw material;

[0048] When the pressure state information is the no-pressure information, the control unit obtains the no-pressure information, and selects the feeding control information as the target control information according to the no-pressure information and the vertical state information. The feeding control information controls the driving mechanism to start again to drive the rotating rod to rotate. At the same time, it controls the flipping adjustment mechanism to slowly stop rotating and drive the rotating plate to rotate back to the rotating arm in the reverse direction until the rotating plate returns to a position flush with the rotating arm and stops. Finally, under the driving action of the driving mechanism, it drives the rotating arm and the rotating plate to rotate synchronously to drive the raw material clamped by the jaw to be conveyed to the clamping assembly. Until the raw material is conveyed to the clamping assembly, then control the pushing mechanism to start. The pushing mechanism pushes the raw material into the interior of the clamping assembly to achieve the conveying of the raw material;

[0049] When the pressure state information is the pressure-applied information, the control unit obtains the pressure-applied information, and selects the re-clamping control information as the target control information according to the pressure-applied information and the vertical state information. After the jaw passes through the blanking and collecting assembly, the re-clamping control information controls the flipping adjustment mechanism to continue driving the rotating plate to rotate. After the rotating plate rotates, it drives another jaw to flip. And during the rotation of the rotating plate, control the pushing mechanism to start again to drive the rotating rod to move the jaw away from the guiding plate until the rotating plate flips to a position flush with the rotating arm, that is, another jaw flips to a position aligned with the raw material at the bottom of the guiding plate. Subsequently, control the pushing mechanism to start again to drive the rotating rod to move towards the guiding plate, so that another jaw clamps the raw material and conveys the raw material again.

[0050] Preferably, it further includes:

[0051] When the pressure state information is the no-pressure information, the control unit obtains the raw material state information from the crack detector, and the raw material state information includes crack information and non-crack information;

[0052] When the raw material state information is crack information, the control unit generates collection control information according to the crack information and the no-pressure information, and the collection control information is used to control the swing arm assembly to release the clamping of the raw material;

[0053] The control unit sends the collected control information to the swing arm assembly;

[0054] When the crack detector detects cracks on the surface of the raw material, the crack detector generates crack information. At this time, the raw material status information is the crack information, and the crack detector sends the raw material status information to the control unit, so that the control unit obtains the raw material status information from the crack detector as the crack information. The control unit generates the collection control information according to the crack information and the no-pressure information, and then the control unit sends the collection control information to the swing arm assembly, so that the swing arm assembly starts to loosen the clamping of the raw material, so that the raw material drops after the clamping is loosened. Subsequently, another jaw clamps the next raw material under the control of the left and right.

[0055] Preferably, it further includes:

[0056] The control unit obtains the standard clamping information and the detection angle information α2 from the user terminal;

[0057] The control unit obtains the clamping angle information α3 from the angle detector;

[0058] The control unit substitutes the detection angle information α2 and the clamping angle information α3 into the judgment formula α2 = α3. If the judgment formula is met, the control unit adjusts the clamping force of the jaw according to the standard clamping information;

[0059] The operator inputs the standard clamping information and the detection angle information α2 from the user terminal. The standard clamping information is the clamping position and force when the jaw clamps the standard undamaged raw material to maintain stable clamping of the raw material. The detection angle information α2 is the included angle between the rotating arm and the rotating plate after the jaw drives the raw material to move through the blocking plate. The angle detector detects the included angle between the rotating arm and the rotating plate in real time to obtain the clamping angle information α3, and then sends the clamping angle information α3 to the control unit. After the control unit obtains the clamping angle information α3, it substitutes the clamping angle information α3 and the detection angle information α2 into the judgment formula α2 = α3. If the judgment formula is met, the control unit adjusts the clamping force of the jaw according to the standard clamping information, so that the jaw is adjusted to the clamping position and force when it can clamp the standard undamaged raw material. At this time, if the surface of the clamped raw material is damaged, the clamped raw material is not stably clamped, so that the clamped damaged raw material drops, thereby realizing the screening of the damaged raw material.

[0060] Compared with the prior art, the present invention has the following beneficial effects:

[0061] Through the setting of the blanking and collection component, the defective raw materials are screened. On the one hand, by screening the defective raw materials so that they fall and are collected within the range of the blanking and collection component, it is beneficial to avoid the raw materials from falling during the clamping and moving process and causing damage to the equipment, which is beneficial to improving the safety during the operation of the equipment. On the other hand, by screening and collecting the defective raw materials, it is beneficial to avoid the defective raw materials from being conveyed to the clamping component for processing and finally generating defective products that affect the processing efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0062] Figure 1 It is a schematic flow chart of the method of the present invention.

[0063] Figure 2 It is a schematic diagram of the overall structure of the present invention.

[0064] Figure 3 For the present invention Figure 2 The enlarged schematic diagram of the structure at A in

[0065] Figure 4 It is a schematic diagram of the structure of the swing arm assembly of the present invention.

[0066] Figure 5 For the present invention Figure 4 The enlarged schematic diagram of the structure at B in

[0067] Figure 6 It is a schematic diagram of the jaw structure of the present invention.

[0068] Figure 7 It is a schematic diagram of the structure of the arc track of the present invention.

[0069] Figure 8 For the present invention Figure 7 The enlarged schematic diagram of the structure at C in

[0070] In the figure: 1. Processing table; 2. Clamping component; 3. Tool component; 4. Oscillation cylinder; 5. Guide plate; 6. First support plate; 7. Rotating rod; 8. Rotating arm; 9. Rotating plate; 10. Motor; 1001. First gear; 1002. Second gear; 1003. Rotating shaft; 11. Jaw; 12. Connecting rod; 13. Arc track; 14. Vibration plate; 15. Spring; 16. Recycling box; 1601. Second support plate; 17. Support rod; 18. Blocking plate; 19. Recycling opening; 20. Crack detector. DETAILED DESCRIPTION OF THE INVENTION

[0071] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art can think of other obvious variations.

[0072] As Figures 2 to 8A numerically controlled lathe with a swing arm for feeding, comprising a machining table 1, on the top of the machining table 1, there are a clamping assembly 2 and a tool assembly 3 which cooperate with each other, and further comprising:

[0073] An oscillation cylinder 4, fixed on one side of the machining table 1, at the outlet of the oscillation cylinder 4, there is a guiding plate 5 fixedly connected, which is used to guide and convey the raw materials falling from the oscillation cylinder 4;

[0074] A swing arm assembly, fixed on the top of the machining table 1 through a first support plate 6, which is used to clamp and transfer the raw materials conveyed by the guiding plate 5 to the clamping assembly 2 for clamping and machining;

[0075] A connecting rod 12, fixedly supported and connected between the guiding plate 5 and the first support plate 6;

[0076] A blanking and collecting assembly, fixed on the top of the lowest end of the guiding plate 5, the swing arm assembly clamps the raw materials and passes through the inside of the blanking and collecting assembly to recycle the raw materials whose surface is damaged and cause unstable clamping and falling;

[0077] It should be noted that the clamping assembly 2 is a device for positioning and clamping the raw materials and driving the raw materials to rotate. For example, the clamping assembly 2 is a three-jaw chuck, which is a mature existing device and will not be elaborated here;

[0078] It should be noted that the tool assembly 3 includes various tools for machining the raw materials, which is a mature existing device and will not be elaborated here;

[0079] When using the swing arm to convey raw materials for the numerically controlled lathe, in the case of intact raw materials, the feeding process can be carried out smoothly. However, if the raw materials are damaged, on the one hand, during the feeding process, the raw materials may fall off, and the raw materials that fall off during the conveying process may fall and damage the equipment. On the other hand, when the damaged raw materials are conveyed to the numerically controlled lathe for machining, it will increase the scrap rate during the machining process and affect the machining efficiency of the numerically controlled lathe;

[0080] This embodiment of the present invention can solve the above problems. The specific implementation method is as follows. The staff places the raw materials inside the oscillation cylinder 4. Under the action of the oscillation cylinder 4, the raw materials fall down along the guiding plate 5 in sequence. When the raw materials fall to the bottom of the guiding plate 5, they are intercepted and stay at the edge of the guiding plate 5. There is a notch at the bottom of the guiding plate 5. At this time, when the clamping end of the swing arm assembly moves to the notch position at the bottom of the guiding plate 5, it can clamp the raw materials through the notch, so that the swing arm assembly drives the raw materials to move towards the clamping assembly 2 by clamping until the raw materials are inserted into the inside of the clamping assembly 2. The clamping assembly can clamp the raw materials and drive the raw materials to rotate. Subsequently, control the tool assembly 3 to move towards the raw materials clamped by the clamping assembly 2 and machine the raw materials to realize automatic feeding and machining of the raw materials;

[0081] In the process of the swing arm assembly clamping and moving the raw material, the swing arm assembly drives the raw material to pass through the falling material collection assembly. Within the range of the falling material collection assembly, if the raw material is damaged on the outside, and there are grooves and unevenness on the outside of the raw material, the swing arm assembly is controlled to keep the clamping position of the raw material unchanged. Therefore, when the raw material is damaged on the outside and has grooves and unevenness, there is no fulcrum when the swing arm assembly clamps the raw material, which causes the raw material to fall due to unstable clamping. At this time, the fallen raw material is collected along the falling material collection assembly. By controlling the clamping force of the swing arm assembly, the swing arm assembly is kept The clamping force is maintained at a level that can stably clamp the intact raw materials. At this time, the raw materials with grooves on the surface will fall due to unstable clamping, thereby screening the defective raw materials. On the one hand, by screening the defective raw materials and making them fall and be collected within the range of the falling material collection component, it is beneficial to avoid the raw materials falling during the clamping movement and causing damage to the equipment, which is beneficial to improving the safety of the equipment during operation. On the other hand, by screening and collecting the defective raw materials, it is beneficial to avoid the defective raw materials being transported to the clamping component for processing, and finally generating poor products that affect the processing efficiency of the equipment.

[0082] As an optional embodiment, the swing arm assembly includes:

[0083] A rotating rod 7, one end of which is supported by a bracket, the rotating rod 7 is rotatably connected to the bracket, and the bracket is slidably mounted on the top of the first support plate 6;

[0084] A driving mechanism, mounted on the top of the first supporting plate 6, for driving the rotating rod 7 to rotate;

[0085] A pushing mechanism, mounted on the top of the first supporting plate 6, for pushing the rotating rod 7 to move;

[0086] A rotating arm 8 is detachably fixed to the end of the rotating rod 7, and a rotating plate 9 is mounted on the side wall of the rotating arm 8 through a flip adjustment mechanism;

[0087] Two clamping jaws 11 are symmetrically fixedly mounted on both ends of the rotating plate 9, and the clamping jaws 11 are used to clamp the raw material;

[0088] When it is necessary to clamp the raw material, the pushing mechanism pushes the rotating rod 7 to move away from the guiding plate 5, so that when the rotating rod 7 drives the rotating arm 8 to rotate, it will not be obstructed by the raw material on the guiding plate 5. Driven by the driving mechanism, the rotating rod 7 drives the rotating arm 8 to rotate towards the guiding plate 5 until the rotating arm 8 rotates to align with the raw material at the bottom of the guiding plate 5. At this time, the driving mechanism stops driving the rotation of the rotating rod 7. Then the pushing mechanism starts again to drive the rotating rod 7 to move towards the guiding plate 5, so that the clamping jaws 11 approach the raw material from the position of the notch to clamp the raw material. After the clamping jaws 11 complete the clamping of the raw material, the flipping and adjusting mechanism drives the rotating plate 9 to rotate, thereby driving the clamping jaws 11 to rotate, so that the clamping jaws 11 drive the raw material to pass through the blanking and collecting assembly. At this time, if the raw material drops, after the clamping jaws 11 pass through the blanking and collecting assembly, the flipping and adjusting mechanism continues to drive the rotating plate 9 to rotate. After the rotating plate 9 rotates, it drives the other clamping jaw 11 to flip. And during the rotation of the rotating plate 9, the pushing mechanism starts again to push the rotating rod 7 to drive the clamping jaws 11 to move away from the guiding plate 5 until the rotating plate 9 flips to a position flush with the rotating arm 8, that is, the other clamping jaw 11 flips to a position aligned with the raw material at the bottom of the guiding plate 5. The pushing mechanism starts again to drive the rotating rod 7 to move towards the guiding plate 5, so that the other clamping jaw 11 clamps the raw material and conveys the raw material again until the conveyed raw material is undamaged and no longer drops at the position of the blanking and collecting assembly. Then after the clamping jaws 11 drive the raw material to pass through the blanking and collecting assembly, the driving mechanism starts again to drive the rotating rod 7 to rotate. At the same time, the flipping and adjusting mechanism slowly stops rotating and drives the rotating plate 9 to rotate back to the rotating arm 8 in the reverse direction until the rotating plate 9 returns to a position flush with the rotating arm 8 and stops. Finally, driven by the driving mechanism, the rotating arm 8 and the rotating plate 9 rotate synchronously to drive the raw material clamped by the clamping jaws 11 to be conveyed to the clamping assembly 2 until the raw material is conveyed to the clamping assembly 2 and then inserted into the inside of the clamping assembly 2 under the pushing action of the pushing mechanism, realizing the conveying of the raw material;

[0089] During this process, it is possible to judge whether the outside of the raw material is damaged, so as to guide and collect the raw materials with obvious external damage that cause unstable clamping. And when the damaged raw materials drop, it is possible to continue to move to clamp the next raw material without switching, which is beneficial to improving the smoothness of the equipment operation and the efficiency of clamping and conveying the raw materials.

[0090] As an optional embodiment, the driving mechanism includes a first driving motor, and the output shaft of the first driving motor drives the rotating rod 7 to rotate through a gear set;

[0091] As an alternative embodiment, the driving mechanism includes a second driving motor. A first synchronous pulley is fixed to the output shaft of the second driving motor. A moving seat is fixed to the end of the rotating rod 7. A rack is fixed to the edge of the moving seat. A meshing gear meshing with the rack is rotatably installed on the first support plate 6. A second synchronous pulley is coaxially fixed to the meshing gear. The first synchronous pulley and the second synchronous pulley are connected by a synchronous conveyor belt;

[0092] As an alternative embodiment, the flipping and adjusting mechanism includes:

[0093] A motor 10, fixed to the side wall of the rotating arm 8. A first gear 1001 is fixed to the output shaft of the motor 10;

[0094] A second gear 1002, rotatably installed on the side wall of the rotating arm 8. The second gear 1002 meshes with the first gear 1001;

[0095] A rotating shaft 1003, fixedly clamped to the side wall of the rotating plate 9 to drive the rotating plate 9 to rotate. The rotating shaft 1003 is coaxially and fixedly connected to the second gear 1002;

[0096] As an alternative embodiment, it further includes a support rod 17, fixed to the side wall of the first support plate 6, for supporting the rotating arm 8 flipped to the clamping position;

[0097] As an alternative embodiment, the blanking and collecting assembly includes:

[0098] An arc-shaped rail 13, fixed to the top of the lowest end of the guiding plate 5. The end of the arc-shaped rail 13 is in track communication with the end of the guiding plate 5;

[0099] A recycling box 16, fixed to the bottom of the lowest end of the guiding plate 5. The recycling box 16 is fixedly connected to the bottom support of the oscillating cylinder 4 through a second support plate 1601. The top of the recycling box 16 is in communication with a recycling opening 19 opened on the side wall of the arc-shaped rail 13;

[0100] A blocking plate 18, rotatably installed on the edge of the recycling opening 19. A torsion spring is sleeved outside the rotating shaft of the blocking plate 18. The two ends of the torsion spring are respectively fixed to the recycling opening 19 and the blocking plate 18;

[0101] The clamping jaw 11 drives the raw material to move through the arc track 13. First, the clamping jaw 11 drives the raw material to push the blocking plate 18 to turn over, so that the blocking plate 18 turns over to make way for the clamping jaw 11. Until the clamping jaw 11 drives the raw material to pass through the blocking plate 18, the blocking plate 18 resets under the torsional force of the torsion spring. The clamping jaw 11 drives the raw material to continue to move through the arc track 13. If the surface of the raw material is damaged, the clamping of the raw material by the clamping jaw 11 is unstable, so that the raw material falls during the process of passing through the arc track 13. The fallen raw material moves along the track of the arc track 13 towards the recovery opening 19 under the trajectory limitation of the arc track 13, and finally falls into the interior of the recovery box 16 through the recovery opening 19 to achieve recovery. Thus, during the raw material conveying process, if the raw material falls, the fallen raw material can be guided so that the raw material is recovered along the track, which is beneficial to avoiding the situation that the equipment is damaged by the falling raw material during the falling process, and thus is beneficial to improving the safety during the raw material conveying process.

[0102] As an alternative embodiment, it further includes:

[0103] A vibrating plate 14, slidably installed inside the arc track 13, and the lower side of the vibrating plate 14 is waveform-shaped;

[0104] A plurality of springs 15, arranged in an array along the track of the arc track 13, one end of the spring 15 is fixedly connected to the vibrating plate 14, and the other end of the spring 15 is fixedly connected to the inner wall of the arc track 13;

[0105] When the clamping jaw 11 drives the raw material to pass through the inside of the arc track 13, the edge of the clamping jaw 11 squeezes the vibrating plate 14, and the vibrating plate 14 compresses the spring 15, so that the spring 15 compresses to generate an elastic force. Until the clamping jaw 11 moves to the waveform depression of the vibrating plate 14, the vibrating plate 14 loses the pushing and squeezing of the clamping jaw 11, and impacts the clamping jaw 11 under the elastic force of the spring 15, thus playing a role of vibrating and patting the clamping jaw 11. Thus, when the clamping of the raw material by the clamping jaw 11 is unstable, it can promote the falling of the raw material, which is beneficial to avoiding the situation that the raw material is not dropped and collected inside the arc track 13 and then falls again to cause potential safety hazards after moving out of the arc track 13, and thus is beneficial to improving the accuracy of collecting damaged raw materials.

[0106] As an alternative embodiment, a crack detector 20 is fixedly installed inside the clamping jaw 11;

[0107] The crack detector 20 can detect the surface cracks of raw materials. For example, the crack detector 20 can use a high-sensitivity sensor, a laser displacement sensor, or a photo acquisition sensor to detect the cracks on the surface of raw materials through self-induction or comparison. When cracks are detected on the surface of raw materials, the clamping jaws 11 are controlled to loosen the clamping of the raw materials, so that the raw materials are recycled as damaged raw materials. On the one hand, it is beneficial to avoid the situation where the cracks of the raw materials burst open during the process of transporting the cracked raw materials to the clamping assembly 2 for processing, resulting in the scattering of fragments and forming a safety hazard. On the other hand, it is beneficial to avoid the formation of waste materials during the processing of cracked raw materials, increasing the scrap rate and thus affecting the processing efficiency.

[0108] Such as Figure 1 shown is a control method for a numerically controlled lathe with a swing arm feeding device. A control unit is installed on the top of the processing table 1, a pressure sensor is fixed on the top of the blocking plate 18, and an angle detector for detecting the angle between the rotating plate 9 and the rotating arm 8 is installed on the side wall of the rotating plate 9. The control unit includes a user terminal. The control method includes the following steps:

[0109] A1. The control unit obtains the swing arm angle information from the swing arm assembly. The swing arm angle information includes the clamping angle information α1.

[0110] A2. The control unit generates swing arm state information according to the swing arm angle information. The swing arm state information includes the vertical state information and the remaining state information.

[0111] A3. When the swing arm state information is the vertical state information, the control unit obtains the pressure state information from the pressure sensor. The pressure state information includes the pressure-receiving information and the non-pressure information.

[0112] A4. The control unit selects the target control information according to the pressure state information and the vertical state information.

[0113] A5. The control unit sends the target control information to the swing arm assembly.

[0114] An angle detector for detecting the angle between the rotating plate 9 and the rotating arm 8 is installed on the rotating plate 9 in the swing arm assembly. The angle detector detects the angle between the rotating plate 9 and the rotating arm 8 to form the clamping angle information α1. The swing arm angle information includes the clamping angle information α1. The angle detector sends the swing arm angle information to the control unit, so that the control unit obtains the swing arm angle information. The control unit divides the position state of the rotating plate 9 into the vertical state and the remaining state according to the swing arm angle information, and thus generates the corresponding vertical state information and the remaining state information.

[0115] For example, according to the angle at which the rotating plate 9 drives the clamping claw 11 to move out of the arc rail 13, when the swing arm angle information is this angle, the control unit generates vertical state information, and the swing arm state information is the vertical state information at this time; at other angles, the control unit generates other state information, and the swing arm state information is the other state information at this time;

[0116] When the swing arm state information is the vertical state information, the pressure sensor generates corresponding pressure state information according to itself within a specified time period. For example, within the time period starting from when the rotating plate 9 drives the clamping jaws 11 to enter the interior of the arc-shaped rail 13 and ending when the rotating plate 9 drives the clamping jaws 11 to move out of the interior of the arc-shaped rail 13, if the pressure sensor is pressurized, it is in a pressurized state and generates corresponding pressurized information. At this time, the pressure state information is pressurized information. If the pressure sensor is not pressurized, it is in a non-pressurized state and generates corresponding non-pressurized information. At this time, the pressure state information is non-pressurized information. The pressure sensor sends the pressure state information to the control unit, so that the control unit obtains the pressure state information of the pressure sensor.

[0117] The control unit selects target control information according to the pressure state information and the vertical state information, so as to correspondingly control the clamping jaw 11 to drive the raw material to move toward the clamping assembly 2 for raw material transportation or control another clamping jaw 11 to re-clamp the raw material.

[0118] As an optional embodiment, step A2 includes:

[0119] The control unit obtains the switching angle information α0 from the user end;

[0120] Substitute the clamping angle information α1 and the switching angle information α0 into the judgment formula α1=α0. When the judgment formula is met, the control unit generates vertical state information. When the judgment formula is not met, the control unit generates other state information.

[0121] The operator inputs the switching angle information α0 from the user end of the control unit. The switching angle information α0 is the angle when the clamp 11 drives the material to rotate and move out of the curved rail 13. For example, when the clamp 11 drives the material to rotate and move out of the curved rail 13, the angle between the rotating arm 8 and the rotating plate 9 is 90 degrees, then the switching angle information α0=90°, the control unit brings the switching angle information α0=90° and the clamping angle information α1 into α1=α0=90°. When the judgment formula is met, the control unit generates vertical state information. When the judgment formula is not met, the control unit generates the remaining state information to realize the judgment of the swing arm state information.

[0122] As an optional embodiment, step A4 specifically includes:

[0123] When the pressure state information is non - pressure information, the control unit selects the feeding control information as the target control information according to the non - pressure information and the vertical state information. The feeding control information is used to control the swing arm assembly to feed the raw material to the clamping assembly 2;

[0124] When the pressure state information is pressure - receiving information, the control unit selects the re - clamping control information as the target control information according to the pressure - receiving information and the vertical state information. The re - clamping control information is used to control the swing arm assembly to re - clamp the raw material;

[0125] When the pressure state information is non - pressure information, the control unit obtains the non - pressure information, and selects the feeding control information as the target control information according to the non - pressure information and the vertical state information. The feeding control information controls the driving mechanism to start again to drive the rotating rod 7 to rotate. At the same time, it controls the flipping adjustment mechanism to slowly stop rotating and drive the rotating plate 9 to rotate back to the rotating arm 8 in the reverse direction until the rotating plate 9 returns to the position flush with the rotating arm 8 and stops. Finally, under the driving action of the driving mechanism, it drives the rotating arm 8 and the rotating plate 9 to rotate synchronously to drive the raw material clamped by the clamping jaw 11 to be conveyed to the clamping assembly 2. Until the raw material is conveyed to the clamping assembly 2, then it controls the pushing mechanism to start. The pushing mechanism pushes the raw material into the interior of the clamping assembly 2 to realize the conveying of the raw material;

[0126] When the pressure state information is pressure - receiving information, the control unit obtains the pressure - receiving information, and selects the re - clamping control information as the target control information according to the pressure - receiving information and the vertical state information. After the clamping jaw 11 passes through the blanking and collecting assembly, the re - clamping control information controls the flipping adjustment mechanism to continue driving the rotating plate 9 to rotate. After the rotating plate 9 rotates, it drives another clamping jaw 11 to flip. And during the rotation of the rotating plate 9, it controls the pushing mechanism to start again to push the rotating rod 7 to drive the clamping jaw 11 to move away from the guide plate 5 until the rotating plate 9 flips to the position flush with the rotating arm 8, that is, another clamping jaw 11 flips to the position aligned with the raw material at the bottom of the guide plate 5. Then it controls the pushing mechanism to start again to drive the rotating rod 7 to move towards the guide plate 5, so that another clamping jaw 11 clamps the raw material and conveys the raw material again.

[0127] As an optional embodiment, it further includes:

[0128] When the pressure state information is non - pressure information, the control unit obtains the raw material state information from the crack detector 20. The raw material state information includes crack information and non - crack information;

[0129] When the raw material state information is crack information, the control unit generates collection control information according to the crack information and the non - pressure information. The collection control information is used to control the swing arm assembly to release the clamping of the raw material;

[0130] The control unit sends the collection control information to the swing arm assembly;

[0131] When the pressure state information is no-pressure information, the control unit obtains the no-pressure information. Subsequently, the control unit controls the crack detector 20 to detect the state of the raw material, so that the crack detector 20 detects the raw material state information of the raw material.

[0132] When the crack detector 20 detects cracks on the surface of the raw material, the crack detector 20 generates crack information. At this time, the raw material state information is crack information, and the crack detector 20 sends the raw material state information to the control unit, so that the control unit obtains the raw material state information from the crack detector 20 as crack information. The control unit generates collection control information based on the crack information and the no-pressure information. Subsequently, the control unit sends the collection control information to the swing arm assembly, so that the swing arm assembly starts to release the clamping of the raw material, so that the raw material drops after the clamping is released. Subsequently, another jaw 11 clamps the next raw material again under the control of the left and right.

[0133] As an optional embodiment, it further includes:

[0134] The control unit obtains the standard clamping information and the detection angle information α2 from the user terminal;

[0135] The control unit obtains the clamping angle information α3 from the angle detector;

[0136] The control unit substitutes the detection angle information α2 and the clamping angle information α3 into the judgment formula α2 = α3. If the judgment formula is met, the control unit adjusts the clamping force of the jaw 11 according to the standard clamping information.

[0137] The operator inputs the standard clamping information and the detection angle information α2 from the user terminal. The standard clamping information is the clamping position and force when the jaw 11 clamps the standard non-damaged raw material to maintain stable clamping of the raw material. The detection angle information α2 is the included angle between the rotating arm 8 and the rotating plate 9 after the jaw 11 drives the raw material to move through the blocking plate 18. The angle detector detects the included angle between the rotating arm 8 and the rotating plate 9 in real time to obtain the clamping angle information α3, and then sends the clamping angle information α3 to the control unit. After the control unit obtains the clamping angle information α3, it substitutes the clamping angle information α3 and the detection angle information α2 into the judgment formula α2 = α3. If the judgment formula is met, the control unit adjusts the clamping force of the jaw 11 according to the standard clamping information, so that the jaw 11 is adjusted to the clamping position and force when it can clamp the standard non-damaged raw material. At this time, if the surface of the clamped raw material is damaged, the clamped raw material is not stably clamped, so that the clamped damaged raw material drops, thereby realizing the screening of the damaged raw materials.

[0138] The working principle of the present invention is as follows: the staff places the raw material inside the oscillating cylinder 4, and the raw material falls down in sequence along the guide plate 5 under the action of the oscillating cylinder 4. When the raw material falls to the bottom of the guide plate 5, it is intercepted and stopped by the edge of the guide plate 5. The bottom of the guide plate 5 is provided with a notch. At this time, when the clamping end of the swing arm assembly moves to the notch position at the bottom of the guide plate 5, the raw material can be clamped through the notch, so that the swing arm assembly drives the raw material to move toward the clamping assembly 2 by clamping, until the raw material is inserted into the inside of the clamping assembly 2. The clamping assembly can clamp the raw material and drive the raw material to rotate, and then the tool assembly 3 is controlled to move toward the raw material clamped by the clamping assembly 2, and the raw material is turned, thereby realizing automatic feeding and processing of the raw material;

[0139] In the process of the swing arm assembly clamping and moving the raw material, the swing arm assembly drives the raw material to pass through the falling material collection assembly. Within the range of the falling material collection assembly, if the raw material is damaged on the outside, and there are grooves and unevenness on the outside of the raw material, the swing arm assembly is controlled to keep the clamping position of the raw material unchanged. Therefore, when the raw material is damaged on the outside and has grooves and unevenness, there is no fulcrum when the swing arm assembly clamps the raw material, which causes the raw material to fall due to unstable clamping. At this time, the fallen raw material is collected along the falling material collection assembly. By controlling the clamping force of the swing arm assembly, the swing arm assembly is kept The clamping force is maintained at a level that can stably clamp the intact raw materials. At this time, the raw materials with grooves on the surface will fall due to unstable clamping, thereby screening the defective raw materials. On the one hand, by screening the defective raw materials and making them fall and be collected within the range of the falling material collection component, it is beneficial to avoid the raw materials falling during the clamping movement and causing damage to the equipment, which is beneficial to improving the safety of the equipment during operation. On the other hand, by screening and collecting the defective raw materials, it is beneficial to avoid the defective raw materials being transported to the clamping component for processing, and finally generating poor products that affect the processing efficiency of the equipment.

[0140] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions only describe the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements fall within the scope of the present invention claimed.

Claims

1. A CNC lathe with swing arm feeding, comprising a processing table (1), wherein a clamping assembly (2) and a tool assembly (3) which cooperate with each other are mounted on the top of the processing table (1), characterized in that: Also includes: An oscillating cylinder (4) is fixed to one side of the processing table (1); an outlet of the oscillating cylinder (4) is fixedly connected to a guide plate (5) for guiding and conveying raw materials falling from the oscillating cylinder (4); a swing arm assembly, fixed to the top of the processing table (1) via a first support plate (6), and used for clamping and transferring the raw material conveyed by the guide plate (5) to the clamping assembly (2) for clamping and processing; A connecting rod (12) fixedly supported and connected between the guide plate (5) and the first support plate (6); A falling material collection assembly is fixed to the top of the lowest end of the guide plate (5), and the swing arm assembly clamps the raw material through the interior of the falling material collection assembly to recover the raw material that has been damaged on the surface of the raw material and has fallen due to unstable clamping; The swing arm assembly comprises: A rotating rod (7), one end of which is supported by a bracket, the rotating rod (7) being rotatably connected to the bracket, and the bracket being slidably mounted on the top of the first supporting plate (6); A driving mechanism, mounted on the top of the first supporting plate (6), and used for driving the rotating rod (7) to rotate; A pushing mechanism, mounted on the top of the first supporting plate (6), and used for pushing the rotating rod (7) to move; A rotating arm (8) is detachably fixed to the end of the rotating rod (7), and a rotating plate (9) is mounted on the side wall of the rotating arm (8) via a flip adjustment mechanism; Two clamping jaws (11) are symmetrically fixedly mounted on two ends of the rotating plate (9), and the clamping jaws (11) are used to clamp the raw material; The falling material collection assembly comprises: An arc-shaped rail (13) is fixed to the top of the lowest end of the guide plate (5), and the end of the arc-shaped rail (13) is connected to the end track of the guide plate (5); A recovery box (16) is fixed to the bottom of the lowest end of the guide plate (5), the recovery box (16) is fixedly connected to the bottom support of the oscillation cylinder (4) through a second support plate (1601), and the top of the recovery box (16) is connected to a recovery opening (19) provided on the side wall of the arc-shaped rail (13); A blocking plate (18) is rotatably mounted on the edge of the recovery opening (19); a torsion spring is sleeved on the outside of the rotation axis of the blocking plate (18); and two ends of the torsion spring are respectively fixedly connected to the recovery opening (19) and the blocking plate (18).

2. A CNC lathe with swing arm feeding according to claim 1, characterized in that: Also includes: A vibration plate (14) is slidably mounted inside the arc-shaped rail (13), and the lower side of the vibration plate (14) is arranged in a wave shape; A plurality of springs (15) are arranged in an array along the track of the arc-shaped rail (13); one end of the spring (15) is fixedly connected to the vibration plate (14), and the other end of the spring (15) is fixedly connected to the inner wall of the arc-shaped rail (13).

3. A CNC lathe with swing arm feeding according to claim 2, characterized in that: The clamping jaws (11) are also provided with a crack detector (20) fixedly installed inside.

4. A control method for a CNC lathe with a swing arm feeding, applicable to the CNC lathe with a swing arm feeding as claimed in claim 3, wherein a control unit is installed on the top of the processing table (1), a pressure sensor is fixed on the top of the blocking plate (18), an angle detector for detecting the angle between the rotating plate (9) and the rotating arm (8) is installed on the side wall of the rotating plate (9), and the control unit includes a user end, characterized in that: The control method comprises the following steps: A1. The control unit obtains the swing arm angle information from the swing arm assembly, wherein the swing arm angle information includes the clamping angle information α1; A2. The control unit generates arm swing state information according to the arm swing angle information, wherein the arm swing state information includes vertical state information and other state information; A3. When the swing arm state information is vertical state information, the control unit obtains pressure state information from the pressure sensor, and the pressure state information includes pressure information and no-pressure information; A4. The control unit selects target control information according to the pressure state information and the vertical state information; A5. The control unit sends the target control information to the swing arm assembly.

5. The control method of a CNC lathe with swing arm feeding according to claim 4, characterized in that: The A2 step includes: The control unit obtains the switching angle information α0 from the user end; The clamping angle information α1 and the switching angle information α0 are substituted into the judgment formula α1=α0. When the judgment formula is met, the control unit generates vertical state information. When the judgment formula is not met, the control unit generates other state information.

6. The control method of a CNC lathe with swing arm feeding according to claim 4, characterized in that: The A4 step specifically includes: When the pressure state information is the no-pressure information, the control unit selects feeding control information as target control information according to the no-pressure information and the vertical state information, and the feeding control information is used to control the swing arm assembly to feed the raw material to the clamping assembly (2); When the pressure state information is the pressure information, the control unit selects re-clamping control information as target control information according to the pressure information and the vertical state information, and the re-clamping control information is used to control the swing arm assembly to re-clamp the raw material.

7. The control method of a CNC lathe with swing arm feeding according to claim 4, characterized in that: Also includes: When the pressure state information is the no-pressure information, the control unit acquires raw material state information from the crack detector (20), the raw material state information including crack information and no-crack information; When the raw material state information is crack information, the control unit generates collection control information according to the crack information and the pressure-free information, and the collection control information is used to control the swing arm assembly to release the clamping of the raw material; The control unit sends the collection control information to the swing arm assembly.

8. The control method of a CNC lathe with swing arm feeding according to claim 5, characterized in that: Also includes: The control unit obtains standard clamping information and detection angle information α2 from the user end; The control unit obtains the clamping angle information α3 from the angle detector; The control unit substitutes the detection angle information α2 and the clamping angle information α3 into a judgment formula α2=α3, and if the judgment formula is met, the control unit adjusts the clamping force of the clamping jaw (11) according to the standard clamping information.

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