Fully-automatic energy-saving numerical control grinding machine

Abstract

The application relates to the technical field of grinding machines, and particularly discloses a full-automatic energy-saving numerical control grinding machine which comprises a grinding machine main body, a workbench, a grinding wheel frame, a headstock and a tailstock; a collecting mechanism which is arranged on the workbench; a transmission mechanism which is connected with the headstock; and a cooling mechanism. The full-automatic energy-saving numerical control grinding machine is characterized in that the transmission mechanism is arranged to keep the collecting mechanism synchronous with the shaft to be machined, so that the collecting mechanism collects the temperature of the shaft surface and the keyway surface once every time the shaft rotates one circle; when the temperature gathered in the keyway reaches the temperature at which the keyway is burnt, the cooling mechanism automatically adjusts the spraying speed of the cooling liquid and adjusts the spraying range of the cooling liquid, so that the temperature inside the keyway is rapidly reduced, the staff does not need to separately adjust the spraying angle of the cooling liquid when the shaft with the keyway is ground, the staff workload is reduced, and the work efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of grinding technology, specifically to a fully automatic energy-saving CNC grinding machine. Background Technology

[0002] A CNC grinding machine is a machine tool that uses CNC technology to grind the surface of a workpiece using a grinding wheel. It mainly processes the workpiece by grinding the end face and outer cylindrical surface of the workpiece. During the grinding process, the grinding wheel and the workpiece rotate and move relative to each other, thereby producing a cutting effect on the workpiece surface and ultimately achieving the processing quality requirements of the part.

[0003] Although lathe cutting can complete most of the machining work, for shaft parts with high precision requirements, lathe cutting is difficult to meet all the precision requirements. Its machining accuracy and surface finish still have certain limitations. Therefore, after the shaft is cut on a lathe, it is ground with a grinding machine to further improve the machining accuracy and surface quality.

[0004] For shafts with keyways, the keyway is a groove machined on the shaft or inside the hole to match the key. Its main function is to install the key, thereby ensuring the fixation and synchronous rotation of rotating parts (such as gears, wheels, pulleys, etc.) with the shaft. Because the presence of the keyway changes the surface shape and structure of the shaft, when grinding shafts with keyways, the operator needs to adjust the spray angle of the coolant according to the specific position and shape of the keyway to ensure that the coolant can be sprayed directly and effectively onto these key parts. This not only increases the workload, but also, because it is impossible to accurately understand the actual spray situation of the coolant, it is easy to over-adjust or under-adjust, affecting the cooling effect. To address this, we propose a fully automatic energy-saving CNC grinding machine. Summary of the Invention

[0005] The purpose of this invention is to provide a fully automatic energy-saving CNC grinding machine to solve the problem mentioned in the background art, which requires workers to adjust the spray angle of the coolant according to the specific position and shape of the keyway to ensure that the coolant can be sprayed directly and effectively onto these key parts. This not only increases the workload, but also easily leads to over-adjustment or under-adjustment due to the inability to accurately understand the actual spray situation of the coolant, thus affecting the cooling effect.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a fully automatic energy-saving CNC grinding machine, comprising a grinding machine body, a worktable, a grinding wheel head, a headstock, and a tailstock, wherein the grinding wheel head is located outside the worktable, and the headstock and tailstock are located at opposite ends of the worktable; further comprising: The data acquisition mechanism is located on the worktable. It contacts the surface of the shaft to be processed and the surface of the keyway respectively and collects the temperature at these two locations on the shaft to be processed. The transmission mechanism is connected to the head frame. The transmission mechanism drives the acquisition mechanism to rotate synchronously with the shaft to be processed, so that the acquisition mechanism contacts the keyway of the shaft to be processed once for each revolution. The cooling mechanism is located outside the grinding wheel frame. When the acquisition mechanism detects that the temperature inside the keyway has reached the temperature that could burn the keyway, the cooling mechanism automatically adjusts the spray speed of the coolant and the spray range of the coolant.

[0007] The data acquisition mechanism includes a connecting seat located above the workbench. Telescopic rods are slidably connected to the inner walls of both ends of the connecting seat. A sealing ring is fixedly connected to the inner wall of the connecting seat. The sealing ring is slidably connected to the outer side of the telescopic rod. A driving component is provided between the two telescopic rods to simultaneously push the two telescopic rods to move. A data acquisition component for collecting the surface temperature of the shaft is provided on the outer side of the telescopic rod.

[0008] The driving component includes a trapezoidal block fixedly connected to the outside of the telescopic rod, the trapezoidal block being slidably connected to the inner wall of the connecting seat, a compression spring 1 fixedly connected to the outside of the telescopic rod, the compression spring 1 being fixedly connected to the inner wall of the connecting seat, a pressing block 1 slidably connected to the outside of the trapezoidal block, a pressing block 2 slidably connected to the inner side of the two pressing blocks 1, a compression spring 2 fixedly connected to the outside of the pressing block 2, a cam slidably connected to the end of the pressing block 2 away from the compression spring 2, the cam being rotatably connected to the inner wall of the connecting seat, a stepper motor fixedly connected to the bottom of the cam, the stepper motor being fixedly connected to the inner wall of the connecting seat, and a power supply component for powering the stepper motor being provided on the outside of the connecting seat.

[0009] The power supply component includes a conductive slip ring located on the outside of the connecting seat. A mounting bracket is fixedly connected to the bottom of the conductive slip ring, and fixing bolts are installed on the inner wall of the mounting bracket. Multiple positioning holes are opened on the surface of the worktable, and a cable is connected between the conductive slip ring and the stepper motor.

[0010] The collection component includes an air collection chamber opened on the inner wall of the connecting seat. The air collection chamber is connected to two telescopic rods. An isolation plate is slidably connected to the middle of the air collection chamber. An elastic pad is fixedly connected to the outer side of the isolation plate. The elastic pad is fixedly connected to the inner wall of the connecting seat. An adjusting rod is threadedly connected to the end of the telescopic rod away from the air collection chamber. A second sealing ring is fixedly connected to the inner wall of the telescopic rod. The second sealing ring is slidably connected to the adjusting rod. A heat sink is fixedly connected to the end of the adjusting rod away from the telescopic rod. The inner wall of the air collection chamber is provided with a flow element that agitates the airflow in the air collection chamber according to the movement of the heat sink.

[0011] The fluid component includes a connecting rope fixedly connected to the heat sink. A rotating rod is fixedly connected to the end of the connecting rope away from the heat sink. The rotating rod is rotatably connected to the inner wall of the air collection chamber. An impeller is fixedly connected to the outside of the rotating rod. A support frame is provided on the outside of the rotating rod near the connecting rope. A spiral spring is fixedly connected between the support frame and the rotating rod.

[0012] The transmission mechanism includes an adjusting frame fixedly connected to the connecting seat, a fixed rod slidably connected to the outside of the adjusting frame, a transmission gear one fixedly connected to the end of the fixed rod away from the adjusting frame, a toothed belt meshing on the outside of the transmission gear one, a transmission gear two meshing on the inside of the toothed belt, the transmission gear two fixedly connected to the rotating shaft inside the head frame, the transmission gear one and the transmission gear two having the same number of teeth, and a positioning component between the fixed rod and the adjusting frame to fix the extension length of the adjusting frame.

[0013] The positioning component includes a screw hole on the surface of the fixing rod, a positioning bolt threaded into the inner wall of the screw hole, and multiple locking holes on the inner wall of the fixing rod that engage with the positioning bolt.

[0014] The cooling mechanism includes a distribution box fixedly connected to the outside of the worktable. A water inlet pipe is connected to the top of the distribution box and is connected to the grinding machine body. Multiple water outlet holes are opened on the inner wall of the distribution box, and the inner wall of the water outlet holes is equipped with an adjusting component to adjust the spray speed and direction of the coolant.

[0015] The adjusting component includes an adjusting plate located on the inner wall of the water outlet. One end of the adjusting plate is rotatably connected to the inner wall of the water outlet. A push rod is provided on the outer side of the adjusting plate. An air inlet groove is provided on the inner wall of the distribution box and is slidably connected to the push rod. An air pump is installed on the inner wall of the grinding machine body. A limit switch for controlling the operation of the air pump is provided on the side of the isolation plate near the elastic pad. The limit switch is fixed to the inner wall of the connecting seat. An air supply pipe is connected to the outer side of the air pump and is connected to the air inlet groove.

[0016] This invention has at least the following beneficial effects: In use, this application employs a transmission mechanism to keep the acquisition mechanism and the shaft to be processed rotating synchronously. When the acquisition part of the acquisition mechanism rotates to be opposite the keyway of the shaft, the acquisition mechanism moves closer to the shaft, thereby simultaneously acquiring the temperature of both the shaft surface and the inside of the keyway. This ensures that the acquisition mechanism acquires the temperature of both the shaft surface and the keyway surface once for each rotation of the shaft. When the temperature accumulated inside the keyway reaches the point where it can burn the keyway, the cooling mechanism automatically adjusts the spray speed and spray range of the coolant, thereby cooling the temperature inside the keyway more quickly. This eliminates the need for workers to individually adjust the spray angle of the coolant when grinding shafts with keyways, reducing workload, improving work efficiency, and saving energy. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall invention; Figure 2 This is a schematic diagram of the overall internal structure of the present invention; Figure 3 This is a top sectional view of the connector of the present invention; Figure 4 for Figure 3 Enlarged diagram of area A in the middle; Figure 5 This is a side sectional view of the support frame of the present invention; Figure 6 This is a schematic diagram of the data acquisition mechanism of the present invention; Figure 7 This is a side sectional view of the transmission mechanism of the present invention. Figure 8 This is a schematic diagram of the front sectional view of the distribution box of the present invention; Figure 9 for Figure 8 Enlarged diagram of area B in the middle; Figure 10 This is a schematic side sectional view of the distribution box of the present invention; Figure 11 This is a schematic diagram of Embodiment 2 of the present invention; Figure 12 This is a side sectional view of the connection relationship between the connecting cylinder and the connecting seat of the present invention; Figure 13 This is a schematic diagram of the control switch position according to the present invention.

[0018] In the diagram: 1. Grinding machine body; 2. Worktable; 3. Grinding wheel head; 4. Headstock; 5. Tailstock; 6. Acquisition mechanism; 60. Connecting seat; 61. Telescopic rod; 62. Sealing ring one; 63. Driving component; 64. Acquisition component; 65. Trapezoidal block; 66. Compression spring one; 67. Extrusion block one; 68. Extrusion block two; 69. Compression spring two; 610. Cam; 611. Stepper motor; 612. Power supply component; 613. Conductive slip ring; 614. Mounting bracket; 615. Fixing bolt; 616. Positioning hole; 617. Cable; 618. Gas collection chamber; 619. Isolation plate; 620. Elastic pad; 621. Adjusting rod; 622. Sealing ring two; 623. Dispersant... 624. Heating element; 625. Flowing component; 626. Connecting rope; 627. Rotating rod; 628. Impeller; 629. Support frame; 620. Scroll spring; 7. Transmission mechanism; 70. Adjusting frame; 71. Fixed rod; 72. Transmission gear one; 73. Toothed belt; 74. Transmission gear two; 75. Positioning component; 76. Screw hole; 77. Positioning bolt; 78. Snap-fit ​​hole; 89. Cooling mechanism; 80. Distribution box; 81. Water inlet pipe; 82. Water outlet; 83. Adjusting component; 84. Adjusting plate; 85. Push rod; 86. Air inlet slot; 87. Air pump; 88. Limit switch; 89. Air supply pipe; 9. Connecting cylinder; 10. Exhaust pipe; 11. Control valve; 12. Control switch. Detailed Implementation

[0019] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example

[0020] Please see Figures 1 to 10 This invention provides a technical solution: a fully automatic energy-saving CNC grinding machine, comprising a grinding machine body 1, a worktable 2, a grinding wheel head 3, a headstock 4, and a tailstock 5. The grinding wheel head 3 is located outside the worktable 2, and the headstock 4 and tailstock 5 are located at opposite ends of the worktable 2. It also includes: a data acquisition mechanism 6, located on the worktable 2, which contacts the surface of the shaft to be processed and the surface of the keyway, respectively, and acquires the temperature at these two locations; a transmission mechanism 7, connected to the headstock 4, which drives the data acquisition mechanism 6 to rotate synchronously with the shaft to be processed, so that the data acquisition mechanism 6 contacts the keyway of the shaft to be processed once per revolution; and a cooling mechanism 8, located outside the grinding wheel head 3, which automatically adjusts the spray speed and spray range of the coolant when the data acquisition mechanism 6 detects that the temperature inside the keyway has reached the temperature required to burn the keyway. In operation, the operator fixes the shaft to be processed using the headstock 4 and tailstock 5, then adjusts the acquisition mechanism 6 so that its acquisition points align with the shaft surface and keyway. After starting the grinding machine body 1, the headstock 4 drives the shaft to rotate, and the transmission mechanism 7 drives the acquisition mechanism 6 to rotate synchronously with the shaft. This ensures that the acquisition point of the acquisition mechanism 6 aligns with the keyway position once per revolution. Thus, during shaft grinding, the transmission mechanism 7 maintains synchronous rotation between the acquisition mechanism 6 and the shaft, ensuring that the acquisition point of the acquisition mechanism 6 rotates to align with the keyway of the shaft. Meanwhile, the acquisition mechanism 6 moves closer to the shaft, thereby simultaneously acquiring the temperature of both the shaft surface and the inside of the keyway. This ensures that the acquisition mechanism 6 acquires the temperature of both the shaft surface and the keyway surface once for each rotation of the shaft. When the temperature accumulated inside the keyway reaches the point where it can burn the keyway, the cooling mechanism 8 automatically adjusts the spray speed and spray range of the coolant, thereby cooling the inside of the keyway more quickly. This eliminates the need for workers to individually adjust the spray angle of the coolant when grinding the shaft with the keyway, reducing the workload of workers and improving work efficiency.

[0021] The data acquisition mechanism 6 includes a connecting seat 60, which is located above the workbench 2. Telescopic rods 61 are slidably connected to the inner walls of both ends of the connecting seat 60. A sealing ring 62 is fixedly connected to the inner wall of the connecting seat 60. The sealing ring 62 is slidably connected to the outer side of the telescopic rod 61. The sealing ring 62 keeps the telescopic rod 61 in a sealed state when it slides on the inner wall of the connecting seat 60. A driving component 63 is provided between the two telescopic rods 61 to simultaneously push the two telescopic rods 61 to move. A data acquisition component 64 for collecting the surface temperature of the shaft is provided on the outer side of the telescopic rod 61. When installing the shaft to be processed, adjust the orientation of the keyway on the shaft surface so that the collecting element 64 is opposite to the keyway. Under the action of the transmission mechanism 7, the shaft and the connecting seat 60 rotate synchronously. The connecting seat 60 drives the telescopic rod 61 to rotate, and the telescopic rod 61 drives the collecting element 64 to rotate. When the collecting element 64 rotates to the position opposite to the keyway, the driving element 63 simultaneously drives the two telescopic rods 61 to move outward. The telescopic rods 61 drive the collecting element 64 to move, so that when the collecting element 64 rotates to the position opposite to the keyway, one collecting element 64 is in contact with the shaft surface, and the other collecting element 64 is in contact with the inner wall of the keyway. The collecting element 64 collects the temperature of the shaft surface and the temperature of the inner wall of the keyway respectively. Based on the temperature difference collected by the two collecting elements 64, it can be determined whether heat has accumulated in the keyway, causing keyway burn.

[0022] The driving component 63 includes a trapezoidal block 65 fixedly connected to the outside of the telescopic rod 61. The trapezoidal block 65 is slidably connected to the inner wall of the connecting seat 60. A compression spring 66 is fixedly connected to the outside of the telescopic rod 61. The compression spring 66 is fixedly connected to the inner wall of the connecting seat 60. A pressing block 67 is slidably connected to the outside of the two pressing blocks 67. A pressing block 68 is slidably connected to the inside of the two pressing blocks 67. A compression spring 69 is fixedly connected to the outside of the pressing block 68. A cam 610 is slidably connected to the end of the pressing block 68 away from the compression spring 69. The cam 610 is rotatably connected to the inner wall of the connecting seat 60. A stepper motor 611 is fixedly connected to the bottom of the cam 610. The stepper motor 611 is fixedly connected to the inner wall of the connecting seat 60. A power supply component 612 for powering the stepper motor 611 is provided on the outside of the connecting seat 60. When the drive unit 63 is working, it provides energy to the rotating stepper motor 611 through the power supply unit 612. The output shaft of the stepper motor 611 drives the cam 610 to rotate. So, for each rotation of the cam 610, the protrusion of the cam 610 will push the second extrusion block 68 to move once. The second extrusion block 68 extrudes the second compression spring 69. The inclined side of the second extrusion block 68 extrudes the inclined side of the first extrusion block 67, thereby pushing the two extrusion blocks 67 to both sides. The inclined side of the first extrusion block 67 extrudes the inclined side of the trapezoidal block 65, thereby driving the telescopic rod 61 to slide outward. The telescopic rod 61 moves and stretches the first compression spring 66. The outward movement of the telescopic rod 61 drives the collection unit 64 to insert into the inner wall of the keyway. Since keyways mostly follow international standards, the internal width and depth of the keyway are known quantities. Assuming the internal width is a and the depth is h, and the radius of the shaft is R, the linear velocity of the top of the acquisition component 64 is: V(1) = ω*r(1), and the linear velocity inside the keyway is also: v(2) = ω*r(2), r(2) = Rh. Since the acquisition component 64 and the shaft rotate synchronously, their angular velocities ω are consistent. Therefore, according to the allowable dwell time of the acquisition component 64 in the keyway is t = a / (V(1) + v(2)), the speed of the stepper motor 611 is controlled to realize the acquisition and reset actions of the acquisition component 64 within the allowable time.

[0023] When the protrusion of cam 610 slides past the second extrusion block 68, the first compression spring 66, which is in a stretched state, drives the telescopic rod 61 to reset, so as to help the acquisition piece 64 slide out of the keyway inner wall. At the same time, the second compression spring 69 pushes the second extrusion block 68 to reset, so as to avoid the acquisition piece 64 protruding into the keyway for too long when the shaft and the connecting seat 60 rotate synchronously, causing the keyway side wall and the acquisition piece 64 to collide with each other.

[0024] The power supply component 612 includes a conductive slip ring 613 located outside the connecting seat 60. A mounting bracket 614 is fixedly connected to the bottom of the conductive slip ring 613. A fixing bolt 615 is installed on the inner wall of the mounting bracket 614. Multiple positioning holes 616 are opened on the surface of the workbench 2. A cable 617 is connected between the conductive slip ring 613 and the stepper motor 611. The conductive slip ring 613 is a precision power transmission device in the prior art that realizes the transmission of data, signals and power between two relatively rotating structures. In use, the conductive slip ring 613 is fixed to the surface of the worktable 2 by the mounting bracket 614, and the external power supply is connected to the conductive slip ring 613. The conductive slip ring 613 supplies power to the stepper motor 611 through the cable 617, so that the stepper motor 611 can work even when the connecting seat 60 is rotating.

[0025] The collecting component 64 includes a gas collecting chamber 618 formed on the inner wall of the connecting seat 60. The gas collecting chamber 618 is connected to two telescopic rods 61. An isolation plate 619 is slidably connected to the middle of the gas collecting chamber 618. An elastic pad 620 is fixedly connected to the outer side of the isolation plate 619. The elastic pad 620 is fixedly connected to the inner wall of the connecting seat 60. An adjusting rod 621 is threadedly connected to the end of the telescopic rod 61 away from the gas collecting chamber 618. A second sealing ring 622 is fixedly connected to the inner wall of the telescopic rod 61. The second sealing ring 622 is slidably connected to the adjusting rod 621. The sealing ring 622 keeps the adjusting rod 621 in a sealed state when it slides on the inner wall of the telescopic rod 61. A heat sink 623 is fixedly connected to the end of the adjusting rod 621 away from the telescopic rod 61. A flow element 624 is provided on the inner wall of the gas collecting chamber 618 to agitate the airflow in the gas collecting chamber 618 according to the movement of the heat sink 623. When installing the shaft, the position of the heat sink 623 is changed by rotating the adjusting rod 621, so that when the telescopic rod 61 is extended, one heat sink 623 is in contact with the shaft surface and the other heat sink 623 is in contact with the inner wall of the keyway, thereby detecting the internal temperature of the keyway at different depths. During the operation of the grinding machine body 1, if the telescopic rod 61 rotates to the position opposite to the keyway on the shaft surface, both telescopic rods 61 move towards the shaft at the same time. The telescopic rod 61 drives the adjusting rod 621 to move, and the adjusting rod 621 drives the heat sink 623 to move, so that one heat sink 623 contacts the shaft surface and the other heat sink 623 contacts the inner wall of the keyway. The heat sink 623 is made of copper or aluminum and has excellent thermal conductivity. After the heat sink 623 contacts the ground shaft surface, it absorbs part of the heat of the shaft or the inner wall of the keyway through heat conduction. The flow member 624 drives the airflow in the air collection chamber 618 to flow. The airflow carries away the heat absorbed by the heat sink 623 through heat conduction, thereby reducing the temperature of the two heat sinks 623. And with each rotation, the heat sink 623 contacts the shaft surface or the inner wall of the keyway once. As the number of times increases, the temperature of the airflow on both sides of the air collection chamber 618 continues to rise, and the pressure on both sides of the air collection chamber 618 also increases continuously. If the temperature accumulated on the inner wall of the keyway reaches the temperature that will burn the keyway, as the heat sink 623 comes into contact with the inner wall of the keyway again and again, the temperature on the side of the gas collection chamber 618 will also continue to rise through heat conduction. Since the temperature accumulated on the inner wall of the keyway is greater than the temperature of the shaft surface, the side of the isolation plate 619 with greater pressure will push the isolation plate 619 to move. The isolation plate 619 will squeeze the elastic pad 620 and trigger the cooling mechanism 8. The cooling mechanism 8 will quickly cool down the temperature of the inner wall of the keyway to prevent the keyway from burning.

[0026] The flow component 624 includes a connecting rope 625 fixedly connected to the heat sink 623. A rotating rod 626 is fixedly connected to the end of the connecting rope 625 away from the heat sink 623. Part of the connecting rope 625 is wrapped around the outside of the rotating rod 626. The rotating rod 626 is rotatably connected to the inner wall of the air collection chamber 618. An impeller 627 is fixedly connected to the outside of the rotating rod 626. A support frame 628 is provided on the outside of the rotating rod 626 near the end of the connecting rope 625. A spiral spring 629 is fixedly connected between the support frame 628 and the rotating rod 626. When the telescopic rod 61 moves outward, it drives the heat sink 623 to move. The movement of the heat sink 623 pulls the connecting rope 625. Since the connecting rope 625 is wrapped around the outside of the rotating rod 626, the connecting rope 625 drives the rotating rod 626 to rotate. The rotating rod 626 drives the impeller 627 to rotate. The rotation of the impeller 627 agitates the airflow, causing the airflow in the air collection chamber 618 to flow and carry away the temperature of the heat sink 623, thus increasing the temperature in the air collection chamber 618. The rotating rod 626 rotates and compresses the scroll spring 629. When the telescopic rod 61 returns to its original position, the compressed scroll spring 629 drives the rotating rod 626 to rotate in the opposite direction. The rotating rod 626 drives the impeller 627 to rotate in the opposite direction and retracts the connecting rope 625 on the outside of the rotating rod 626.

[0027] The transmission mechanism 7 includes an adjusting frame 70 fixedly connected to the connecting seat 60. A fixed rod 71 is slidably connected to the outside of the adjusting frame 70. A transmission gear 72 is fixedly connected to the end of the fixed rod 71 away from the adjusting frame 70. A toothed belt 73 meshes with the outside of the transmission gear 72. A transmission gear 74 meshes with the inside of the toothed belt 73. The transmission gear 74 is fixedly connected to the rotating shaft inside the head frame 4. The transmission gear 72 and the transmission gear 74 have the same number of teeth. A positioning member 75 is provided between the fixed rod 71 and the adjusting frame 70 to fix the extension length of the adjusting frame 70. During installation, the extension length of the adjusting bracket 70 is adjusted by the positioning component 75 so that the heat sink 623 corresponds to the keyway position. When the grinding machine body 1 is started, the rotating shaft in the headstock 4 drives the shaft to be processed to rotate. At the same time, the rotating shaft drives the transmission gear 2 74 to rotate, the transmission gear 2 74 drives the toothed belt 73 to rotate, the toothed belt 73 drives the transmission gear 1 72 to rotate, the transmission gear 1 72 drives the fixed rod 71 to rotate, the fixed rod 71 drives the adjusting bracket 70 to rotate, and the adjusting bracket 70 drives the connecting seat 60 to rotate, so that the heat sink 623 and the keyway rotate synchronously.

[0028] The positioning component 75 includes a screw hole 76 on the surface of the fixing rod 71, a positioning bolt 77 is threaded into the inner wall of the screw hole 76, and a plurality of locking holes 78 are provided on the inner wall of the fixing rod 71 to engage with the positioning bolt 77. When the positioning component 75 is released, the operator turns the positioning bolt 77. The positioning bolt 77 rotates upward along the screw hole 76 and separates from the snap-fit ​​hole 78. After the position of the adjusting frame 70 is adjusted, the positioning bolt 77 is turned in the opposite direction. The positioning bolt 77 rotates downward along the screw hole 76 and inserts into the corresponding snap-fit ​​hole 78, thereby completing the fixing of the adjusting frame 70 and the fixing rod 71.

[0029] The cooling mechanism 8 includes a distribution box 80 fixedly connected to the outside of the worktable 2. A water inlet pipe 81 is connected above the distribution box 80 and is connected to the grinding machine body 1. Multiple water outlet holes 82 are opened on the inner wall of the distribution box 80. Adjustment components 83 for adjusting the spray speed and direction of the coolant are provided on the inner wall of the water outlet holes 82. When the grinding machine body 1 is working normally, the coolant in the grinding machine body 1 enters the distribution box 80 through the water inlet pipe 81, and is sprayed onto the contact position between the grinding wheel and the shaft through the water inlet hole in the distribution box 80 to cool the shaft surface. When the pressure difference on both sides of the isolation plate 619 pushes the isolation plate 619 to move, the coolant spray speed and direction are adjusted by the set adjustment component 83. The flow rate is increased to facilitate the rapid removal of the keyway surface temperature, and the coolant spray direction is adjusted to spray more areas to facilitate heat dissipation of the keyway.

[0030] The adjusting component 83 includes an adjusting plate 84 located on the inner wall of the water outlet 82. One end of the adjusting plate 84 is rotatably connected to the inner wall of the water outlet 82. A push rod 85 is provided on the outer side of the adjusting plate 84. The push rod 85 slides relative to the inner wall of the adjusting plate 84, so that when the push rod 85 is pushed by the airflow, the push rod 85 pushes the end of the adjusting plate 84 to tilt up, and the push rod 85 slides relative to the inner wall of the adjusting plate 84. An air inlet groove 86 is opened on the inner wall of the distribution box 80 and is slidably connected to the push rod 85. An air pump 87 is installed on the inner wall of the grinding machine body 1. A limit switch 88 for controlling the operation of the air pump 87 is provided on the side of the isolation plate 619 near the elastic pad 620. The limit switch 88 is fixed to the inner wall of the connecting seat 60. An air supply pipe 89 is connected to the outer side of the air pump 87 and is connected to the air inlet groove 86. When the pressure difference on both sides of the isolation plate 619 pushes the isolation plate 619 to move, the isolation plate 619 drives the adjusting plate 84 to move. The adjusting plate 84 squeezes the elastic pad 620 and triggers the limit switch 88. The limit switch 88 controls the air pump 87 to work, and the air pump 87 injects airflow into the air supply pipe 89. The airflow in the air supply pipe 89 enters the air inlet slot 86 of the distribution box 80, causing the airflow to push the push rod 85 on the inner wall of the air inlet slot 86 to move. The push rod 85 drives the adjusting plate 84 to move. The adjusting plate 84 rotates on the inner wall of the water outlet 82, thereby changing the flow diameter and direction of the coolant in the water outlet 82, and thus changing the spray direction and speed of the water from the water outlet 82. The increased speed of the coolant spray from the central outlet 82 and the increased spray range from the side outlets 82 allow the coolant to quickly dissipate heat from the shaft and keyway walls. This wider spray range also allows for better cooling of the keyway. When the air pump 87 stops supplying air, the adjusting plate 84 naturally droops under gravity, returning to its normal coolant spray state. This ensures that the coolant spray speed and angle are only changed when the keyway temperature reaches the burn-out temperature. Under normal conditions, the coolant maintains its normal power output, reducing coolant waste and energy consumption. Example

[0031] like Figures 11-13In this second embodiment, the other structures remain unchanged. The difference from the first embodiment is that the inner wall of the connecting seat 60 is rotatably connected to the connecting cylinder 9. The connecting cylinder 9 is rotatably and sealed to the inner wall of the connecting seat 60. The connecting cylinder 9 is connected to the inner wall of the connecting seat 60. The outer side of the connecting cylinder 9 is connected to the exhaust pipe 10. The outer side of the exhaust pipe 10 is fixedly connected to the control valve 11. The end of the exhaust pipe 10 away from the connecting seat 60 is connected to the air inlet groove 86 on the inner wall of the distribution box 80. The isolation plate 619 is equipped with a control switch 12 that controls the opening of the control valve 11 on the side near the elastic pad 620. When the pressure difference on both sides of the isolation plate 619 pushes the isolation plate 619 to move, the isolation plate 619 drives the adjustment plate 84 to move. The adjustment plate 84 squeezes the elastic pad 620 and triggers the control switch 12. The control switch 12 opens the control valve 11, so that the high temperature and high pressure airflow in the air pressure chamber enters the exhaust pipe 10 and enters the air intake groove 86 through the exhaust pipe 10. The airflow entering the air intake groove 86 pushes the push rod 85 to move in order to adjust the spray size and direction of the water outlet.

[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0033] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A fully automatic energy-saving CNC grinding machine, comprising: The grinding machine body (1), worktable (2), grinding wheel head (3), headstock (4) and tailstock (5) are located on the outside of the worktable (2), and the headstock (4) and tailstock (5) are located at the two ends of the worktable (2), respectively. Its characteristic is that it also includes: The acquisition mechanism (6) is located on the worktable (2). The acquisition mechanism (6) contacts the surface of the shaft to be processed and the surface of the keyway respectively and acquires the temperature of the two locations of the shaft to be processed. The acquisition mechanism (6) includes a connecting seat (60), which is located above the workbench (2). The inner walls of both ends of the connecting seat (60) are slidably connected to telescopic rods (61). A sealing ring (62) is fixedly connected to the inner wall of the connecting seat (60). The sealing ring (62) is slidably connected to the outer side of the telescopic rod (61). A driving component (63) is provided between the two telescopic rods (61) to simultaneously push the two telescopic rods (61) to move. An acquisition component (64) for acquiring the surface temperature of the shaft is provided on the outer side of the telescopic rod (61). The driving component (63) includes a trapezoidal block (65) fixedly connected to the outside of the telescopic rod (61), the trapezoidal block (65) being slidably connected to the inner wall of the connecting seat (60), a compression spring (66) fixedly connected to the outside of the telescopic rod (61), the compression spring (66) being fixedly connected to the inner wall of the connecting seat (60), a compression block (67) slidably connected to the outside of the trapezoidal block (65), and a compression block (68) slidably connected to the inner sides of the two compression blocks (67). (68) A compression spring two (69) is fixedly connected to the outside. A cam (610) is slidably connected to the end of the compression block two (68) away from the compression spring two (69). The cam (610) is rotatably connected to the inner wall of the connecting seat (60). A stepper motor (611) is fixedly connected to the bottom of the cam (610). The stepper motor (611) is fixedly connected to the inner wall of the connecting seat (60). A power supply component (612) for powering the stepper motor (611) is provided on the outside of the connecting seat (60). The collecting device (64) includes an air collecting chamber (618) opened on the inner wall of the connecting seat (60). The air collecting chamber (618) is connected to two telescopic rods (61) respectively. An isolation plate (619) is slidably connected to the middle of the air collecting chamber (618). An elastic pad (620) is fixedly connected to the outer side of the isolation plate (619). The elastic pad (620) is fixedly connected to the inner wall of the connecting seat (60). An adjusting rod (621) is threadedly connected to the end of the telescopic rod (61) away from the air collecting chamber (618). A sealing ring (622) is fixedly connected to the inner wall of the telescopic rod (61). The sealing ring (622) is slidably connected to the adjusting rod (621). A heat sink (623) is fixedly connected to the end of the adjusting rod (621) away from the telescopic rod (61). A flow element (624) is provided on the inner wall of the air collecting chamber (618) to agitate the airflow in the air collecting chamber (618) according to the movement of the heat sink (623). Transmission mechanism (7), the transmission mechanism (7) is connected to head frame (4), the transmission mechanism (7) drives the acquisition mechanism (6) to rotate synchronously with the shaft to be processed, so that the acquisition mechanism (6) contacts the keyway of the shaft to be processed once for each rotation; Cooling mechanism (8) is located outside the grinding wheel frame (3). When the acquisition mechanism (6) detects that the temperature inside the keyway reaches the temperature of burning the keyway, the cooling mechanism (8) automatically adjusts the spray speed of the coolant and adjusts the spray range of the coolant.

2. The fully automatic energy-saving CNC grinding machine according to claim 1, characterized in that: The power supply component (612) includes a conductive slip ring (613) located outside the connecting seat (60). The bottom of the conductive slip ring (613) is fixedly connected to a mounting bracket (614). The inner wall of the mounting bracket (614) is fitted with fixing bolts (615). The surface of the workbench (2) is provided with multiple positioning holes (616). A cable (617) is connected between the conductive slip ring (613) and the stepper motor (611).

3. The fully automatic energy-saving CNC grinding machine according to claim 1, characterized in that: The flow element (624) includes a connecting rope (625) fixedly connected to the heat sink (623). A rotating rod (626) is fixedly connected to one end of the connecting rope (625) away from the heat sink (623). The rotating rod (626) is rotatably connected to the inner wall of the air collection chamber (618). An impeller (627) is fixedly connected to the outside of the rotating rod (626). A support frame (628) is provided on the outside of the rotating rod (626) near the connecting rope (625). A spiral spring (629) is fixedly connected between the support frame (628) and the rotating rod (626).

4. The fully automatic energy-saving CNC grinding machine according to claim 1, characterized in that: The transmission mechanism (7) includes an adjusting frame (70) fixedly connected to the connecting seat (60). A fixed rod (71) is slidably connected to the outside of the adjusting frame (70). A transmission gear (72) is fixedly connected to the end of the fixed rod (71) away from the adjusting frame (70). A toothed belt (73) meshes with the outside of the transmission gear (72). A transmission gear (74) meshes with the inside of the toothed belt (73). The transmission gear (74) is fixedly connected to the rotating shaft inside the head frame (4). The transmission gear (72) and the transmission gear (74) have the same number of teeth. A positioning member (75) is provided between the fixed rod (71) and the adjusting frame (70) to fix the extension length of the adjusting frame (70).

5. The fully automatic energy-saving CNC grinding machine according to claim 4, characterized in that: The positioning component (75) includes a screw hole (76) on the surface of the fixing rod (71), a positioning bolt (77) is threadedly connected to the inner wall of the screw hole (76), and a plurality of locking holes (78) are provided on the inner wall of the fixing rod (71) to engage with the positioning bolt (77).

6. The fully automatic energy-saving CNC grinding machine according to claim 1, characterized in that: The cooling mechanism (8) includes a distribution box (80) fixedly connected to the outside of the worktable (2). A water inlet pipe (81) is connected above the distribution box (80). The water inlet pipe (81) is connected to the grinding machine body (1). Multiple water outlet holes (82) are opened on the inner wall of the distribution box (80). An adjusting component (83) for adjusting the spray speed and direction of the coolant is provided on the inner wall of the water outlet hole (82).

7. The fully automatic energy-saving CNC grinding machine according to claim 6, characterized in that: The adjusting component (83) includes an adjusting plate (84) located on the inner wall of the water outlet (82). One end of the adjusting plate (84) is rotatably connected to the inner wall of the water outlet (82). A push rod (85) is provided on the outer side of the adjusting plate (84). An air inlet groove (86) is provided on the inner wall of the distribution box (80) and is slidably connected to the push rod (85). An air pump (87) is installed on the inner wall of the grinding machine body (1). A limit switch (88) for controlling the operation of the air pump (87) is provided on the side of the isolation plate (619) near the elastic pad (620). The limit switch (88) is fixed to the inner wall of the connecting seat (60). An air supply pipe (89) is connected to the outer side of the air pump (87). The air supply pipe (89) is connected to the air inlet groove (86).

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