A CNC cutting lathe and intelligent cutting method for water pump connecting parts

Abstract

The present invention relates to the technical field of intelligent manufacturing equipment industry, and discloses an intelligent cutting method for a CNC cutting lathe and a water pump connecting part, comprising a bed, a chuck, a guide rail, a tool holder and a tailstock, wherein the chuck and the guide rail are fixedly installed inside the bed, and the tool holder comprises a plane displacement sliding seat, a rotating support seat and a tool mounting assembly; the CNC cutting lathe, by arranging a plane displacement sliding seat, a rotating support seat, a control box, a lifting drive plate, a transmission card plate, a vertical shaft and an internal threaded pipe, can realize the intelligent replacement of the turning tool when processing the water pump connecting part, improve the processing efficiency, and the internal threaded pipe drives the lifting drive plate to rise by rotating the vertical shaft. When the lifting drive plate moves upward to the highest position, the external threaded shaft section of the vertical shaft and the internal threaded pipe are disengaged. At this time, the vertical shaft can drive the transmission card plate to rotate continuously. Therefore, the transmission card plate can be rotated at any angle, so that the turning tool to be used can be quickly replaced when it is not adjacent to the turning tool to be replaced.

Description

Technical Field

[0001] The present invention relates to the technical field of intelligent manufacturing equipment industry, and specifically to an intelligent cutting method for a CNC cutting lathe and a water pump connector. Background Art

[0002] Water pump connectors are components used to connect water pumps with other equipment or pipelines. They enable water to flow smoothly between the water pump and other components, while also playing the role of sealing, shock absorption, and displacement compensation.

[0003] Chinese patent CN118751948B discloses a high-precision automated CNC machining lathe for metal valve cores. The lathe comprises a power rod arranged inside an installation cavity and rising and falling linearly, a rotating sleeve rotatably installed on the power rod, an oblique groove and a straight groove provided on the outer wall of the rotating sleeve and connected at the ends, and a sliding rod fixed inside the installation cavity and slidably connected to the oblique groove and the straight groove. The rotating sleeve can rotate a quarter of a turn each time the power rod rises, and will not rotate when the power rod descends. At the same time, since the cross bar fixedly installed on the outer wall of the rotating sleeve is slidably connected to the vertical groove provided inside the tool holder, and the tool holder is rotatably connected to the installation cavity, the rotating sleeve can drive the tool holder to rotate when it rotates, and the tool holder remains fixed when the rotating sleeve cannot rotate, so that the turning tool installed on the tool holder will not vibrate or displace when it contacts and turns the part, thereby improving the machining accuracy.

[0004] The above device solves the problem of vibration that may occur when the turning tool contacts the part for processing. However, since the tool holder of the conventional CK6140 lathe is set as a four-station tool holder, on which four turning tools with different functions can be fixed, and when the above device is used, the tool holder stops for a period of time every quarter turn. When the turning tool is replaced and the turning tool to be used is not adjacent to the turning tool to be replaced, the tool holder replacement efficiency is low. Summary of the Invention

[0005] (1) Technical problems solved

[0006] In response to the shortcomings of the existing technology, the present invention provides an intelligent cutting method for a CNC cutting lathe and a water pump connector, which has the function of not vibrating during cutting and can quickly replace non-adjacent turning tools, solving the problems mentioned in the above background technology.

[0007] (2) Technical solution

[0008] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0009] A CNC cutting lathe comprises a bed, a chuck, a guide rail, a tool holder and a tailstock, wherein the chuck and the guide rail are fixedly mounted inside the bed, the tool holder comprises a plane displacement sliding seat, a rotating support seat and a tool mounting assembly, the plane displacement sliding seat and the tailstock are both slidably mounted on the guide rail, the rotating support seat is rotatably mounted on the plane displacement sliding seat, and the tool mounting assembly is mounted on the rotating support seat;

[0010] A rotation control mechanism is provided between the plane displacement sliding seat and the rotation support seat, and the rotation control mechanism includes a control box, a lifting limit ring, a lifting drive plate, a transmission card plate and a vertical shaft. The control box is installed on the plane displacement sliding seat, and the rotation support seat is rotatably installed at the upper end of the control box. The lifting limit ring and the lifting drive plate are both vertically slidably installed inside the control box, and the lifting limit ring and the lifting drive plate move synchronously in opposite directions. The lifting limit ring is used to prevent the rotation of the rotation support seat, the transmission card plate is rotatably installed on the lifting drive plate, and the transmission card plate is used to drive the rotation of the rotation support seat, the vertical shaft is used to control the movement of the lifting drive plate, and the vertical shaft can control the rotation of the transmission card plate after the lifting drive plate moves upward to the highest position, thereby driving the rotation of the rotation support seat.

[0011] Preferably, the rotation control mechanism also includes a reverse lifting mechanism, which includes a sliding frame, a connecting rod, a hole guide block, a horizontal guide rod, a horizontal slider, a rotating connecting plate and a pressure spring. The sliding frame and the lifting limit ring are fixedly connected by a connecting rod, the hole guide block and the horizontal guide rod are fixedly mounted on the inner side wall of the control box, the hole guide block is slidably connected to the connecting rod, the horizontal slider is slidably connected to the horizontal guide rod, and both ends of the horizontal slider are rotatably installed with a rotating connecting plate, the rotating connecting plates rotatably installed at both ends of the horizontal slider are respectively rotatably connected to the sliding frame and the lifting drive plate, and the two ends of the pressure spring are respectively fixedly connected to the horizontal guide rod and the horizontal slider.

[0012] Preferably, the rotation control mechanism also includes a lifting drive mechanism, which includes an internal threaded tube, a swivel and a telescopic spring. The vertical shaft is rotatably installed inside the control box, and the vertical shaft includes a lower optical shaft segment, an external threaded shaft segment and an upper optical shaft segment. The lower optical shaft segment, the external threaded shaft segment and the upper optical shaft segment are integrally formed. The internal threaded tube is fixedly installed on the lower surface of the lifting drive plate. The internal threaded tube is threadedly connected to the external threaded shaft segment. The upper optical shaft segment is sleeved on the inside of the internal threaded tube. The swivel is rotatably installed on the lower optical shaft segment. The two ends of the telescopic spring are respectively fixedly connected to the internal threaded tube and the swivel.

[0013] Preferably, the rotation control mechanism also includes a rotation drive assembly, which includes a contact shaft, an intermediate shaft, a driven bevel gear, a driving bevel gear, a transmission bevel gear, a transmission spur gear and a driven spur gear. The contact shaft is rotatably arranged on the lifting drive plate, and the intermediate shaft is rotatably installed inside the control box. The driven bevel gear is fixedly installed at the lower end of the contact shaft, and the driving bevel gear is fixedly installed on the vertical shaft. The transmission bevel gears are respectively fixedly installed at both ends of the intermediate shaft, and the transmission bevel gears at both ends are respectively meshed with the driven bevel gear and the driving bevel gear. The transmission spur gear is fixedly installed at the upper end of the contact shaft, and the driven spur gear is adaptively meshed with the transmission spur gear, and the driven spur gear is fixedly connected to the transmission clamping plate.

[0014] Preferably, the rotation control mechanism also includes an anti-reversal component, which includes a ratchet, a pawl, a tension spring, a limiting slide tube and a return spring. The ratchet is fixedly connected to the transmission card plate, the pawl is rotatably connected to the lifting drive plate, and the end of the pawl is adapted to be engaged with the ratchet. The two ends of the tension spring are respectively rotatably connected to the lifting drive plate and the pawl. A straight slot is provided on the lifting drive plate, the limiting slide tube is slidably installed inside the straight slot, the contact shaft is rotatably installed inside the limiting slide tube, and the two ends of the return spring are respectively fixedly connected to the inner side wall of the straight slot and a side wall of the limiting slide tube.

[0015] Preferably, a control motor is provided on the outside of the control box, and the control motor is installed on a plane displacement sliding seat. A drive shaft is fixedly installed on the driving end of the control motor, and the drive shaft is rotationally connected to the control box. A worm is fixedly installed on the drive shaft, and a worm wheel is fixedly installed on the vertical shaft, and the worm wheel is meshingly connected to the worm.

[0016] Preferably, the inner side surface of the lifting limit ring is provided with a latching tooth, and the lower end of the rotating support seat is fixedly mounted with an outer gear ring, and the outer gear ring and the latching tooth are adapted to be latched.

[0017] Preferably, an upper gear ring is fixedly mounted on the upper end of the transmission clamping plate, and a lower gear ring is fixedly mounted on the lower end of the rotation support seat, and the lower gear ring and the upper gear ring are adapted to be clamped.

[0018] Preferably, the tool mounting assembly includes an abutment plate, an intermediate plate, a mounting plate and a locking bolt, the abutment plate is fixedly connected to the rotating support seat, the two ends of the intermediate plate are respectively fixedly connected to the abutment plate and the mounting plate, the locking bolt is threadedly connected to the mounting plate, and the lower end of the locking bolt extends to the side of the intermediate plate.

[0019] The present invention also discloses an intelligent cutting method for a water pump connector, which comprises the following steps:

[0020] According to the material and processing sequence of the connecting parts, the turning tools with different functions are installed on different stations of the tool installation assembly in the processing sequence, and the turning tools are set;

[0021] Fix the water pump connector to be processed on the chuck;

[0022] Set cutting parameters to enable the lathe to automatically perform processing. During the processing, the rotary support seat rotates under the control of the rotation control mechanism, so that the turning tool can be quickly replaced;

[0023] After cutting, remove the water pump connector.

[0024] (3) Beneficial effects

[0025] Compared with the prior art, the present invention provides a CNC cutting lathe and an intelligent cutting method for water pump connectors, which has the following beneficial effects:

[0026] 1. The CNC cutting lathe is provided with a plane displacement sliding seat, a rotating support seat, a control box, a lifting drive plate, a transmission clamping plate, a vertical shaft and an internally threaded pipe, so as to realize intelligent tool replacement when processing water pump connectors and improve processing efficiency. The internally threaded pipe drives the lifting drive plate to rise by rotating the vertical shaft. When the lifting drive plate moves upward to the highest position, the externally threaded shaft section of the vertical shaft and the internally threaded pipe are disengaged. With the arrangement of the contact shaft, the intermediate shaft, the driven bevel gear, the active bevel gear, the transmission bevel gear, the transmission flat gear and the driven flat gear, the vertical shaft can drive the transmission clamping plate to rotate continuously. Therefore, the transmission clamping plate can be rotated at any angle, so that the turning tool to be used can be quickly replaced when the turning tool to be replaced is not adjacent to the turning tool to be replaced.

[0027] 2. The CNC cutting lathe is provided with a lifting limit ring, a lifting drive plate and a reverse lifting mechanism. When the lifting limit ring abuts against the rotating support seat, the rotating support seat is fixed by the lifting limit ring and cannot rotate, so that during the processing, the turning tool installed on the tool holder will not vibrate and displace when contacting the part for turning, thereby ensuring the processing accuracy. When the lifting drive plate rises and the transmission clamping plate contacts the rotating support seat, the lifting limit ring disengages from the rotating support seat, making it easier to control the rotation of the rotating support seat.

[0028] 3. The CNC cutting lathe is provided with an anti-reverse component. When the vertical shaft rotates in the opposite direction, the pawl limits the ratchet to prevent the transmission clamping plate from reversing. At the same time, due to the setting of the swivel ring and the telescopic spring, the internal threaded tube immediately achieves threaded contact with the external threaded shaft section, thereby enabling the lifting drive plate to move downward. Moreover, during the reversal of the vertical shaft, the driven flat gear cannot rotate, and the driven flat gear is adapted to mesh with the transmission flat gear. By providing a limiting slide tube and a return spring, the driven flat gear can push the transmission flat gear to move linearly, thereby releasing the meshing effect between the driven flat gear and the transmission flat gear. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is one of the three-dimensional structural schematic diagrams of the CNC cutting lathe of the present invention;

[0030] Figure 2 This is the second schematic diagram of the three-dimensional structure of the CNC cutting lathe of the present invention;

[0031] Figure 3 This is one of the three-dimensional structural cross-sectional views of the CNC cutting lathe of the present invention;

[0032] Figure 4 For the present invention Figure 3 A magnified schematic diagram of the local structure at point A;

[0033] Figure 5 For the present invention Figure 3 A magnified schematic diagram of the local structure at point B in the middle;

[0034] Figure 6 For the present invention Figure 3 A magnified schematic diagram of the local structure at point C in the middle;

[0035] Figure 7 This is the second sectional view of the three-dimensional structure of the CNC cutting lathe of the present invention;

[0036] Figure 8 For the present invention Figure 7 A magnified schematic diagram of the local structure at D in the middle;

[0037] Figure 9 This is one of the exploded schematic views of the three-dimensional structure of the CNC cutting lathe of the present invention;

[0038] Figure 10 For the present invention Figure 9 A magnified schematic diagram of the local structure at E in the middle;

[0039] Figure 11 This is the second schematic diagram of the three-dimensional structure decomposition of the CNC cutting lathe of the present invention.

[0040] In the picture:

[0041] 1. Bed;

[0042] 2. Chuck;

[0043] 3. Guide rails;

[0044] 4. Tailstock;

[0045] 5. Rotation control mechanism; 51. Control box; 52. Lifting limit ring; 521. Clamping gear; 53. Lifting drive plate; 531. Straight notch; 54. Transmission clamping plate; 541. Upper gear ring; 55. Vertical shaft; 551. Lower optical shaft segment; 552. Externally threaded shaft segment; 553. Upper optical shaft segment; 56. Reverse lifting mechanism; 561. Sliding frame; 562. Connecting rod; 563. Opening guide block; 564. Horizontal guide rod; 565. Horizontal slider; 566. Rotating connecting plate; 567 , pressure spring; 57, lifting drive mechanism; 571, internal threaded tube; 572, swivel; 573, telescopic spring; 58, rotary drive assembly; 581, contact shaft; 582, intermediate shaft; 583, driven bevel gear; 584, driving bevel gear; 585, transmission bevel gear; 586, transmission flat gear; 587, driven flat gear; 59, anti-reverse assembly; 591, ratchet; 592, pawl; 593, tension spring; 594, limit slide; 595, return spring;

[0046] 6. Plane displacement sliding seat;

[0047] 7. Rotating support seat; 71. Outer gear ring; 72. Lower gear ring;

[0048] 8. Knife mounting assembly; 81. Abutment plate; 82. Intermediate plate; 83. Mounting plate; 84. Locking bolt;

[0049] 9. Control motor; 91. Drive shaft; 92. Worm; 93. Worm gear. DETAILED DESCRIPTION

[0050] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0051] Example 1

[0052] See also Figure 1 、 Figure 2 、 Figure 3 The present invention provides a CNC cutting lathe, comprising a bed 1, a chuck 2, a guide rail 3, a tool holder and a tailstock 4. The chuck 2 and the guide rail 3 are fixedly mounted inside the bed 1. The tool holder comprises a plane displacement sliding seat 6, a rotating support seat 7 and a tool mounting assembly 8. The plane displacement sliding seat 6 and the tailstock 4 are both slidably mounted on the guide rail 3. The rotating support seat 7 is rotatably set on the plane displacement sliding seat 6. The tool mounting assembly 8 is mounted on the rotating support seat 7.

[0053] A rotation control mechanism 5 is provided between the plane displacement sliding seat 6 and the rotation support seat 7. The rotation control mechanism 5 includes a control box 51, a lifting limit ring 52, a lifting drive plate 53, a transmission card plate 54 and a vertical shaft 55. The control box 51 is installed on the plane displacement sliding seat 6, and the rotation support seat 7 is rotatably installed on the upper end of the control box 51. The lifting limit ring 52 and the lifting drive plate 53 are both vertically slidably installed inside the control box 51, and the lifting limit ring 52 and the lifting drive plate 53 move synchronously in opposite directions. The lifting limit ring 52 is used to prevent the rotation of the rotation support seat 7. The transmission card plate 54 is rotatably installed on the lifting drive plate 53, and the transmission card plate 54 is used to drive the rotation of the rotation support seat 7. The vertical shaft 55 is used to control the movement of the lifting drive plate 53, and the vertical shaft 55 can control the rotation of the transmission card plate 54 after the lifting drive plate 53 moves upward to the highest position, thereby driving the rotation of the rotation support seat 7.

[0054] As can be seen from the above, since the lifting limit ring 52 and the lifting drive plate 53 are both vertically slidably installed inside the control box 51, and the lifting limit ring 52 and the lifting drive plate 53 move synchronously in opposite directions, when the lifting drive plate 53 moves upward and approaches the rotating support seat 7, the lifting limit ring 52 moves downward and away from the rotating support seat 7. When the lifting limit ring 52 contacts the rotating support seat 7, it can prevent the rotating support seat 7 from rotating. When the transmission card plate 54 rotatably installed on the lifting drive plate 53 contacts the rotating support seat 7, it can drive the contacted rotating support seat 7 to rotate. Moreover, since the vertical shaft 55 can control the transmission card plate 54 to rotate after the lifting drive plate 53 moves upward to the highest position, thereby driving the rotating support seat 7 to rotate, the transmission card plate 54 will not rotate prematurely.

[0055] In addition, the chuck 2, guide rail 3, plane displacement sliding seat 6, rotary support seat 7 and tail stock 4 mentioned in this application all adopt the conventional technology of the CK6140 lathe, that is, the plane displacement sliding seat 6 can drive the rotary support seat 7 to move along two horizontal directions, and the plane displacement sliding seat 6 and the tail stock 4 can be positioned when they are moved to the appropriate position on the guide rail 3, thereby avoiding the plane displacement sliding seat 6 and the tail stock 4 being displaced by the press during the processing process.

[0056] When using this device, according to the material and processing sequence of the connecting parts, the turning tools with different functions are installed on different workstations of the tool mounting assembly 8 in the processing sequence, and the turning tools are set; the water pump connecting parts to be processed are fixed on the chuck 2; the cutting parameters are set to enable the lathe to automatically perform processing. During the processing, the rotating support seat 7 rotates under the control of the rotating control mechanism 5, so that the turning tool can be quickly replaced; after cutting is completed, the water pump connecting parts are removed.

[0057] Example 2

[0058] like Figure 9 、 Figure 10 and Figure 11 As shown, the difference between this embodiment and the above embodiment is that the rotation control mechanism 5 also includes a reverse lifting mechanism 56, which includes a sliding frame 561, a connecting rod 562, an opening guide block 563, a horizontal guide rod 564, a horizontal slider 565, a rotating connecting plate 566 and a pressure spring 567. The sliding frame 561 and the lifting limit ring 52 are fixedly connected by the connecting rod 562, the opening guide block 563 and the horizontal guide rod 564 are both fixedly installed on the inner side wall of the control box 51, the opening guide block 563 is slidably connected to the connecting rod 562, the horizontal slider 565 is slidably connected to the horizontal guide rod 564, and both ends of the horizontal slider 565 are rotatably installed with a rotating connecting plate 566, the rotating connecting plates 566 rotatably installed at both ends of the horizontal slider 565 are respectively rotatably connected to the sliding frame 561 and the lifting drive plate 53, and the two ends of the pressure spring 567 are respectively fixedly connected to the horizontal guide rod 564 and the horizontal slider 565.

[0059] As can be seen from the above, the sliding frame 561 and the lifting limit ring 52 are fixedly connected by the connecting rod 562, and the connecting rod 562 is slidably connected to the open guide block 563 fixedly installed on the inner wall of the control box 51. Therefore, the sliding frame 561 and the lifting limit ring 52 can only move up and down. Due to the arrangement of the horizontal guide rod 564, the horizontal slider 565 and the rotating connecting plate 566, when the lifting drive plate 53 moves up and down, the rotating connecting plate 566 pulls the horizontal slider 565 to slide linearly on the horizontal guide rod 564, thereby pulling the lifting limit ring 52 and the lifting drive plate 53 to move synchronously in opposite directions.

[0060] The inner side surface of the lifting limit ring 52 is provided with a locking tooth 521 , and the lower end of the rotating support seat 7 is fixedly mounted with an outer gear ring 71 , and the outer gear ring 71 and the locking tooth 521 are adapted to be locked.

[0061] As can be seen from the above, by providing the latching teeth 521 and the outer gear ring 71 , when the lifting limit ring 52 contacts the rotating support seat 7 , the latching teeth 521 and the outer gear ring 71 are engaged, thereby preventing the rotating support seat 7 from rotating.

[0062] An upper gear ring 541 is fixedly mounted on the upper end of the transmission clamping plate 54 , and a lower gear ring 72 is fixedly mounted on the lower end of the rotation support seat 7 . The lower gear ring 72 and the upper gear ring 541 are adapted to be clamped.

[0063] As can be seen from the above, by providing the upper gear ring 541 and the lower gear ring 72 , when the transmission clamping plate 54 approaches the rotation support seat 7 , the upper gear ring 541 and the lower gear ring 72 are clamped, and the rotation support seat 7 rotates with the transmission clamping plate 54 .

[0064] Example 3

[0065] like Figure 3 、 Figure 4 、 Figure 5 、 Figure 6 、 Figure 7 、 Figure 8 and Figure 10 As shown, the difference between this embodiment and the above embodiment is that the rotation control mechanism 5 also includes a lifting drive mechanism 57, the lifting drive mechanism 57 includes an internal threaded tube 571, a rotating ring 572 and a telescopic spring 573, the vertical shaft 55 is rotatably installed inside the control box 51, and the vertical shaft 55 includes a lower optical shaft segment 551, an external threaded shaft segment 552 and an upper optical shaft segment 553, the lower optical shaft segment 551, the external threaded shaft segment 552 and the upper optical shaft segment 553 are integrally formed, the internal threaded tube 571 is fixedly installed on the lower surface of the lifting drive plate 53, the internal threaded tube 571 is threadedly connected to the external threaded shaft segment 552, the upper optical shaft segment 553 is sleeved on the inside of the internal threaded tube 571, the rotating ring 572 is rotatably installed on the lower optical shaft segment 551, and the two ends of the telescopic spring 573 are respectively fixedly connected to the internal threaded tube 571 and the rotating ring 572.

[0066] As can be seen from the above, due to the setting of the reverse lifting mechanism 56, the lifting drive plate 53 cannot rotate. Since the internal threaded tube 571 is sleeved on the outside of the vertical shaft 55, the internal threaded tube 571 and the lifting drive plate 53 will not tilt. Therefore, when the external threaded shaft section 552 on the vertical shaft 55 is screwed to the internal threaded tube 571, the rotation of the vertical shaft 55 can make the lifting drive plate 53 move up and down. Due to the setting of the lower optical shaft section 551 and the upper optical shaft section 553, when the external threaded shaft section 552 is separated from the internal threaded tube 571, the vertical shaft 55 continues to rotate and cannot make the lifting drive plate 53 continue to move up and down. By setting the telescopic spring 573, when the external threaded shaft section 552 is separated from the internal threaded tube 571, when the vertical shaft 55 is reversed, under the tension of the telescopic spring 573, the external threaded shaft section 552 and the internal threaded tube 571 can be screwed again, so that the lifting drive plate 53 moves up and down.

[0067] The rotation control mechanism 5 also includes a rotation drive assembly 58, which includes a contact shaft 581, an intermediate shaft 582, a driven bevel gear 583, a driving bevel gear 584, a transmission bevel gear 585, a transmission flat gear 586 and a driven flat gear 587. The contact shaft 581 is rotatably set on the lifting drive plate 53, the intermediate shaft 582 is rotatably installed inside the control box 51, the driven bevel gear 583 is fixedly installed at the lower end of the contact shaft 581, the driving bevel gear 584 is fixedly installed on the vertical shaft 55, and the transmission bevel gear 585 is respectively fixedly installed at both ends of the intermediate shaft 582. The transmission bevel gears 585 at both ends are respectively meshed with the driven bevel gear 583 and the driving bevel gear 584. The transmission flat gear 586 is fixedly installed at the upper end of the contact shaft 581, the driven flat gear 587 is adaptively meshed with the transmission flat gear 586, and the driven flat gear 587 is fixedly connected to the transmission clamping plate 54.

[0068] As can be seen from the above, since the contact shaft 581 is rotatably set on the lifting drive plate 53, when the lifting drive plate 53 moves upward, the contact shaft 581 brings the driven bevel gear 583 close to the transmission bevel gear 585 installed on the intermediate shaft 582, so that the vertical shaft 55 can transmit the driven bevel gear 583 through the active bevel gear 584 and the transmission bevel gear 585, thereby causing the contact shaft 581 to rotate. Since the contact shaft 581 can drive the transmission card plate 54 to rotate through the transmission flat gear 586 and the driven flat gear 587, therefore, when the lifting drive plate 53 moves upward to the highest position, the vertical shaft 55 can drive the transmission card plate 54 to rotate.

[0069] The rotation control mechanism 5 also includes an anti-reversal component 59, which includes a ratchet 591, a pawl 592, a tension spring 593, a limiting slide 594 and a return spring 595. The ratchet 591 is fixedly connected to the transmission card plate 54, the pawl 592 is rotatably connected to the lifting drive plate 53, and the end of the pawl 592 is adapted to be engaged with the ratchet 591, and the two ends of the tension spring 593 are respectively rotatably connected to the lifting drive plate 53 and the pawl 592. A straight slot 531 is provided on the lifting drive plate 53, the limiting slide 594 is slidably installed inside the straight slot 531, and the contact shaft 581 is rotatably installed inside the limiting slide 594. The two ends of the return spring 595 are respectively fixedly connected to the inner side wall of the straight slot 531 and a side wall of the limiting slide 594.

[0070] As can be seen from the above, due to the setting of the ratchet 591, pawl 592 and tension spring 593, when the contact shaft 581 rotates in the opposite direction, the pawl 592 can hook the ratchet 591, so that the ratchet 591 cannot rotate, thereby preventing the transmission clamping plate 54 from driving the rotating support seat 7 to reverse. At the same time, due to the setting of the limiting slide tube 594 and the reset spring 595, when the transmission flat gear 586 and the driven flat gear 587 cannot engage for transmission, the transmission flat gear 586 can slide away from the driven flat gear 587. In addition, in order to achieve this separation effect, the two ends of the gear teeth of the transmission flat gear 586 and the driven flat gear 587 need to have a certain angle, so as to reduce the friction when the two are separated.

[0071] A control motor 9 is provided on the outside of the control box 51, and the control motor 9 is installed on the plane displacement sliding seat 6. A drive shaft 91 is fixedly installed on the driving end of the control motor 9, and the drive shaft 91 is rotationally connected to the control box 51. A worm 92 is fixedly installed on the drive shaft 91, and a worm gear 93 is fixedly installed on the vertical shaft 55. The worm gear 93 is meshingly connected with the worm 92.

[0072] As can be seen from the above, the transmission structure of the worm 92 and the worm wheel 93 has a good self-locking effect.

[0073] Example 4

[0074] like Figure 2 As shown, the difference between this embodiment and the above embodiment is that the tool mounting assembly 8 includes an abutment plate 81, an intermediate plate 82, a mounting plate 83 and a locking bolt 84, the abutment plate 81 is fixedly connected to the rotating support seat 7, the two ends of the intermediate plate 82 are fixedly connected to the abutment plate 81 and the mounting plate 83 respectively, the locking bolt 84 is threadedly connected to the mounting plate 83, and the lower end of the locking bolt 84 extends to the side of the intermediate plate 82.

[0075] As can be seen from the above, by setting the abutment plate 81, the intermediate plate 82, the mounting plate 83 and the locking bolt 84, when installing the turning tool, the turning tool is placed between the abutment plate 81 and the mounting plate 83, and by rotating the locking bolt 84, the locking bolt 84 abuts against one side wall of the turning tool to achieve fixation.

[0076] Example 5

[0077] See also Figure 1 - Figure 11 The present invention also discloses an intelligent cutting method for a water pump connector, the specific steps of which are:

[0078] According to the material and processing sequence of the connecting parts, the turning tools with different functions are installed on different stations of the tool mounting assembly 8 according to the processing sequence, and the turning tools are set;

[0079] Fix the water pump connector to be processed on the chuck 2;

[0080] Set cutting parameters to enable the lathe to automatically perform processing. During the processing, the rotary support seat 7 rotates under the control of the rotation control mechanism 5, so that the turning tool can be quickly replaced;

[0081] After cutting, remove the water pump connector.

[0082] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A CNC cutting lathe, comprising a bed, a chuck, guide rails, a tool rest and a tailstock, characterized in that: The chuck and the guide rail are both fixedly mounted inside the bed, the tool holder includes a plane displacement sliding seat, a rotating support seat and a tool mounting assembly, the plane displacement sliding seat and the tailstock are both slidably mounted on the guide rail, the rotating support seat is rotatably set on the plane displacement sliding seat, and the tool mounting assembly is mounted on the rotating support seat; A rotation control mechanism is provided between the plane displacement sliding seat and the rotation support seat, and the rotation control mechanism includes a control box, a lifting limit ring, a lifting drive plate, a transmission card plate and a vertical shaft. The control box is installed on the plane displacement sliding seat, and the rotation support seat is rotatably installed at the upper end of the control box. The lifting limit ring and the lifting drive plate are both vertically slidably installed inside the control box, and the lifting limit ring and the lifting drive plate move synchronously in opposite directions. The lifting limit ring is used to prevent the rotation of the rotation support seat, the transmission card plate is rotatably installed on the lifting drive plate, and the transmission card plate is used to drive the rotation of the rotation support seat, the vertical shaft is used to control the movement of the lifting drive plate, and the vertical shaft can control the rotation of the transmission card plate after the lifting drive plate moves upward to the highest position, thereby driving the rotation of the rotation support seat.

2. A CNC cutting lathe according to claim 1, characterized in that: The rotation control mechanism also includes a reverse lifting mechanism, which includes a sliding frame, a connecting rod, an open hole guide block, a horizontal guide rod, a horizontal slider, a rotating connecting plate and a pressure spring. The sliding frame and the lifting limit ring are fixedly connected by a connecting rod, and the open hole guide block and the horizontal guide rod are fixedly mounted on the inner side wall of the control box. The open hole guide block is slidably connected to the connecting rod, and the horizontal slider is slidably connected to the horizontal guide rod, and both ends of the horizontal slider are rotatably installed with a rotating connecting plate, and the rotating connecting plates rotatably installed at both ends of the horizontal slider are respectively rotatably connected to the sliding frame and the lifting drive plate, and the two ends of the pressure spring are respectively fixedly connected to the horizontal guide rod and the horizontal slider.

3. A CNC cutting lathe according to claim 1, characterized in that: The rotation control mechanism also includes a lifting drive mechanism, which includes an internal threaded tube, a swivel and a telescopic spring. The vertical shaft is rotatably installed inside the control box, and the vertical shaft includes a lower optical shaft segment, an external threaded shaft segment and an upper optical shaft segment. The lower optical shaft segment, the external threaded shaft segment and the upper optical shaft segment are integrally formed. The internal threaded tube is fixedly installed on the lower surface of the lifting drive plate. The internal threaded tube is threadedly connected to the external threaded shaft segment. The upper optical shaft segment is sleeved on the inside of the internal threaded tube. The swivel is rotatably installed on the lower optical shaft segment. The two ends of the telescopic spring are respectively fixedly connected to the internal threaded tube and the swivel.

4. A CNC cutting lathe according to claim 1, characterized in that: The rotation control mechanism also includes a rotation drive assembly, which includes a contact shaft, an intermediate shaft, a driven bevel gear, a driving bevel gear, a transmission bevel gear, a transmission spur gear and a driven spur gear. The contact shaft is rotatably arranged on the lifting drive plate, and the intermediate shaft is rotatably installed inside the control box. The driven bevel gear is fixedly installed at the lower end of the contact shaft, and the driving bevel gear is fixedly installed on the vertical shaft. The transmission bevel gears are respectively fixedly installed at both ends of the intermediate shaft. The transmission bevel gears at both ends are respectively meshed with the driven bevel gear and the driving bevel gear. The transmission spur gear is fixedly installed at the upper end of the contact shaft, and the driven spur gear is adaptively meshed with the transmission spur gear, and the driven spur gear is fixedly connected to the transmission clamping plate.

5. A CNC cutting lathe according to claim 4, characterized in that: The rotation control mechanism also includes an anti-reversal component, which includes a ratchet, a pawl, a tension spring, a limiting slide tube and a return spring. The ratchet is fixedly connected to the transmission card plate, the pawl is rotatably connected to the lifting drive plate, and the end of the pawl is adapted to be engaged with the ratchet. The two ends of the tension spring are respectively rotatably connected to the lifting drive plate and the pawl. A straight slot is provided on the lifting drive plate, the limiting slide tube is slidably installed inside the straight slot, the contact shaft is rotatably installed inside the limiting slide tube, and the two ends of the return spring are respectively fixedly connected to the inner side wall of the straight slot and a side wall of the limiting slide tube.

6. The CNC cutting lathe according to claim 1, characterized in that: A control motor is provided on the outside of the control box, and the control motor is installed on a plane displacement sliding seat. A drive shaft is fixedly installed on the driving end of the control motor, and the drive shaft is rotatably connected to the control box. A worm is fixedly installed on the drive shaft, and a worm wheel is fixedly installed on the vertical shaft. The worm wheel is meshingly connected to the worm.

7. The CNC cutting lathe according to claim 1, characterized in that: The inner side surface of the lifting limit ring is provided with a locking tooth, and the lower end of the rotating support seat is fixedly installed with an outer gear ring, and the outer gear ring and the locking tooth are adapted to be locked.

8. The CNC cutting lathe according to claim 1, characterized in that: An upper gear ring is fixedly mounted on the upper end of the transmission clamping plate, and a lower gear ring is fixedly mounted on the lower end of the rotation support seat. The lower gear ring and the upper gear ring are adapted to be clamped.

9. The CNC cutting lathe according to claim 1, characterized in that: The tool mounting assembly includes an abutment plate, an intermediate plate, a mounting plate and a locking bolt. The abutment plate is fixedly connected to the rotating support seat, and the two ends of the intermediate plate are respectively fixedly connected to the abutment plate and the mounting plate. The locking bolt is threadedly connected to the mounting plate, and the lower end of the locking bolt extends to the side of the intermediate plate.

10. An intelligent cutting method for water pump connectors, using a CNC cutting lathe according to any one of claims 1 to 9, characterized in that: The specific steps are: According to the material and processing sequence of the connecting parts, the turning tools with different functions are installed on different stations of the tool installation assembly in the processing sequence, and the turning tools are set; Fix the water pump connector to be processed on the chuck; Set cutting parameters to enable the lathe to automatically perform processing. During the processing, the rotary support seat rotates under the control of the rotation control mechanism, so that the turning tool can be quickly replaced; After cutting, remove the water pump connector.

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