A positioning and cutting device for CNC machine tool processing

Abstract

The present invention provides a positioning and cutting device for CNC machine tool processing, which belongs to the technical field of CNC machine tools. The positioning and cutting device for CNC machine tool processing includes a machine base, a placement plate and a positioning mechanism. The placement plate is slidably installed in the inner cavity of the machine base, and the positioning mechanism is installed on the surface of the placement plate. The positioning mechanism includes a positioning seat, a clamping block and a driving block. The positioning seat is fixedly installed on the surface of the placement plate, and the surface of the positioning seat is symmetrically installed with a mounting seat. The surface of the mounting seat is rotatably installed with a connecting plate, and the clamping block is rotatably installed at one end of the connecting plate. The present invention sets a positioning mechanism, and the first electric telescopic rod can drive the support arm to drive the driving ring to move upward, so that the clamping block is driven to rotate counterclockwise through the first connecting rod to clamp the surface of the workpiece, and fix the workpiece in the inner cavity of the positioning seat. At the same time, when the driving ring rises, the wedge surface of the driving ring squeezes the wedge surface of the driving block, and the positioning rod abuts against the surface of the workpiece, so as to complete the synchronous positioning of the workpiece, facilitate use, and improve cutting efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of numerically controlled machine tools, and in particular to a positioning and cutting device for numerically controlled machine tool processing. Background Art

[0002] CNC machine tool cutting devices refer to the components that perform cutting operations on CNC machine tools. They play a key role in manufacturing and are used for cutting, milling, turning, drilling and other operations on various materials. They are mainly composed of cutting parts and clamping parts, and are widely used in automobile manufacturing, machinery manufacturing, home appliance manufacturing and other fields.

[0003] When the existing CNC machine tool cutting device performs cutting processing, it is necessary to use a manual clamp to fix the workpiece on the operating table and position it before the cutting processing can be performed, which is inconvenient to operate and has low processing efficiency. Summary of the invention

[0004] In order to make up for the above deficiencies, the present invention provides a positioning and cutting device for CNC machine tool processing that overcomes the above technical problems or at least partially solves the above problems.

[0005] The present invention is achieved in that:

[0006] The present invention provides a positioning and cutting device for CNC machine tool processing, comprising a machine base, a placement plate and a positioning mechanism, wherein the placement plate is slidably mounted in an inner cavity of the machine base, the positioning mechanism is mounted on the surface of the placement plate and is used to position a workpiece, and the positioning mechanism comprises:

[0007] A positioning seat, the positioning seat is fixedly mounted on the surface of the placement plate, a mounting seat is symmetrically mounted on the surface of the positioning seat, and a connecting plate is rotatably mounted on the surface of the mounting seat;

[0008] A clamping block, which is rotatably mounted at one end of the connecting plate and is used to fix the workpiece on the surface of the positioning seat;

[0009] A driving block is slidably mounted in the inner cavity of the mounting seat, the driving block is wedge-shaped, and a positioning rod is fixedly mounted on one end of the driving block for positioning the workpiece.

[0010] In a preferred embodiment, a first screw is rotatably installed in the inner cavity of the machine base, a first threaded block is fixedly installed at the bottom of the placement plate, the first screw is threadedly connected to the first threaded block, a first motor is fixedly installed on the side wall of the machine base, and the output end of the first motor is fixedly connected to the first screw.

[0011] In a preferred solution, a driving ring is slidably installed on the side wall of the positioning seat, and the driving ring is wedge-shaped and used to drive the driving block. A first connecting rod is rotatably installed between the driving ring and the clamping block, and a support arm is fixedly installed on the bottom of the driving ring. A first electric telescopic rod is fixedly installed in the inner cavity of the positioning seat, and the output end of the first electric telescopic rod is fixedly connected to the support arm.

[0012] In a preferred embodiment, a slider is fixedly mounted on the side wall of the driving block, and the slider is slidably mounted in the inner cavity of the mounting seat. A first spring is sleeved on the surface of the positioning rod, one end of the first spring is fixedly connected to the mounting seat, and the other end of the first spring is fixedly connected to the driving block, for driving the positioning rod to reset.

[0013] In a preferred embodiment, the mounting seat has a first cavity symmetrically formed in its inner cavity, a plurality of first spray holes are formed in the side wall of the first cavity, a plurality of second cavities are symmetrically formed in the inner cavity of the positioning seat, the second cavity is communicated with the first cavity, a first piston is slidably mounted in the inner cavity of the second cavity, a second spring is fixedly mounted in the second cavity, one end of the second spring is fixedly connected to the positioning seat, and the other end of the second spring is fixedly connected to the first piston, for driving the first piston to move upward, and a driving rod is symmetrically mounted on the surface of the first piston.

[0014] In a preferred scheme, a cutting mechanism is installed on the surface of the machine base for cutting workpieces. The cutting mechanism includes a transverse plate, a lifting plate and a drilling rig. The transverse plate is slidably installed on the side wall of the machine base. A second screw is rotatably installed in the inner cavity of the machine base. A second threaded block is fixedly installed on the side wall of the transverse plate. The second threaded block is threadedly connected to the second screw. A second motor is fixedly installed in the inner cavity of the machine base. Pulleys are installed on the output end of the second motor and one end of the second screw, and a belt is connected between the two pulleys.

[0015] In a preferred solution, the lifting plate is slidably installed on the side wall of the transverse plate, the side wall of the lifting plate is rotatably installed with a third screw rod, the side wall of the lifting plate is fixedly installed with a third motor, the output end of the third motor and one end of the third screw rod are both installed with pulleys, a belt is connected between the two pulleys, and the side wall of the transverse plate is fixedly installed with a third threaded block, and the third threaded block is threadedly connected to the third screw rod.

[0016] In a preferred solution, the drilling rig is fixedly mounted on the side wall of the lifting plate, a drill rod is mounted on the output end of the drilling rig, a bracket is symmetrically fixedly mounted on the side wall of the lifting plate, a limit frame is slidably mounted on the inner cavity of the bracket, a stabilizing plate is fixedly mounted on the bottom of the limit frame, the stabilizing plate is sleeved on the surface of the drill rod, a distance sensor is mounted on the side wall of the stabilizing plate, a second electric telescopic rod is symmetrically mounted on the surface of the bracket, and the telescopic end of the second electric telescopic rod is fixedly connected to the limit frame.

[0017] In a preferred embodiment, a heat dissipation mechanism is installed on the surface of the lifting plate to dissipate heat for the drill pipe, and the heat dissipation mechanism includes a fan, a third cavity and a second spray hole. The fan is fixedly installed on the surface of the base, a third cavity is opened in the inner cavity of the stabilizing disk, a plurality of second spray holes are opened on the side wall of the third cavity, an air duct is opened in the inner cavity of the limiting frame, one end of the air duct is connected to the third cavity, and the other end of the air duct is connected to the air outlet of the fan with an air pipe.

[0018] In a preferred solution, an oil tank for storing lubricating oil is fixedly installed on the side wall of the lifting plate, an oil filling cylinder is fixedly installed on the side wall of the lifting plate, a second piston is slidably installed in the inner cavity of the oil filling cylinder, a second connecting rod is installed between the second piston and the limit frame, a first one-way valve and a second one-way valve are installed on the surface of the oil filling cylinder, an oil pipe is connected between the first one-way valve and the oil tank, and an oil pipe is connected between the second one-way valve and the air pipe.

[0019] The present invention provides a positioning and cutting device for CNC machine tool processing, and its beneficial effects include:

[0020] 1. By setting a positioning mechanism, the support arm can be driven by the first electric telescopic rod to drive the driving ring to move upward, so that the clamping block is driven to rotate counterclockwise through the first connecting rod to clamp the surface of the workpiece and fix the workpiece in the inner cavity of the positioning seat. At the same time, when the driving ring rises, the wedge surface of the driving ring squeezes the wedge surface of the driving block, and the positioning rod is abutted against the surface of the workpiece, thereby completing the synchronous positioning of the workpiece, facilitating use, and improving cutting efficiency.

[0021] 2. By setting up a cutting mechanism and a stabilizing plate sleeved on the surface of the drill rod, the drill rod can be effectively supported to increase its overall rigidity. The distance sensor is used to monitor the distance between the stabilizing plate and the workpiece in real time. As the drill rod gradually penetrates into the surface of the workpiece, the second electric telescopic rod is controlled to extend, and the limit frame is driven to drive the stabilizing plate to gradually rise. This can always maintain the rigidity of the drill rod, avoid bending and vibration of the overhanging part of the drill rod, reduce vibration, slow down the wear rate of the drill rod, extend the service life of the drill rod, and thus improve production efficiency.

[0022] 3. By setting up a heat dissipation mechanism, the air can be sent into the third cavity through the air pipe and the airway by the fan, and sprayed to the surface of the drill rod from the second spray hole to dissipate heat and improve the service life of the drill rod. At the same time, the drilled debris can be sprayed away for easy cleaning; and as the drill rod gradually penetrates into the surface of the workpiece, the second piston moves up synchronously to inject the lubricating oil in the oil injection cylinder into the air pipe, and finally sprayed to the surface of the drill rod from the second spray hole to lubricate it, reduce friction, reduce cutting temperature, prevent excessive wear between the drill rod and the workpiece, improve processing quality, and reduce wear of the drill rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only illustrate certain embodiments of the present invention and should not be regarded as limiting the scope. For those skilled in the art, other relevant drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 is a front perspective view provided by an embodiment of the present invention;

[0025] Figure 2 A side perspective view of an embodiment of the present invention is provided;

[0026] Figure 3 A top view of an embodiment of the present invention;

[0027] Figure 4 A side cross-sectional view of an embodiment of the present invention is provided;

[0028] Figure 5 A cross-sectional view of a mounting base provided for an embodiment of the present invention;

[0029] Figure 6 The embodiments of the present invention provide Figure 5 Enlarged view of point A in the middle;

[0030] Figure 7 A cross-sectional view of a positioning seat provided in an embodiment of the present invention;

[0031] Figure 8 A cross-sectional view of an oil filling cylinder provided in an embodiment of the present invention;

[0032] Fig. 9 The embodiments of the present invention provide Figure 8 Enlarged view of point B in the middle;

[0033] Fig.10 A side view of a lifting plate provided for an embodiment of the present invention;

[0034] Fig.11 A cross-sectional view of a limit frame provided in an embodiment of the present invention;

[0035] In the figure: 1, machine base; 2, placement plate; 3, first screw rod; 4, first threaded block; 5, first motor; 6, positioning mechanism; 601, positioning seat; 602, mounting seat; 603, connecting plate; 604, clamping block; 605, driving ring; 606, first connecting rod; 607, support arm; 608, first electric telescopic rod; 609, driving block; 610, slider; 611, positioning rod; 612, first spring; 613, first cavity; 614, first spray hole; 615, second cavity; 616, first piston; 617, second spring; 618, driving rod; 7, cutting mechanism; 701, transverse plate; 702 , second screw rod; 703, second threaded block; 704, second motor; 705, lifting plate; 706, third screw rod; 707, third motor; 708, third threaded block; 709, drilling rig; 710, drill rod; 711, bracket; 712, limit frame; 713, stabilizing plate; 714, distance sensor; 715, second electric telescopic rod; 8, heat dissipation mechanism; 801, fan; 802, third cavity; 803, second spray hole; 804, airway; 805, oil tank; 806, oil filling cylinder; 807, second piston; 808, second connecting rod; 809, first one-way valve; 810, second one-way valve. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are 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 creative work are within the scope of protection of the present invention.

[0037] Reference Figure 1-Figure 11 As shown, the present invention provides a technical solution: a positioning and cutting device for CNC machine tool processing, comprising a machine base 1, a placement plate 2 and a positioning mechanism 6, the placement plate 2 is slidably installed in the inner cavity of the machine base 1, a first screw rod 3 is rotatably installed in the inner cavity of the machine base 1, a first threaded block 4 is fixedly installed at the bottom of the placement plate 2, the first screw rod 3 is threadedly connected to the first threaded block 4, a first motor 5 is fixedly installed on the side wall of the machine base 1, the output end of the first motor 5 is fixedly connected to the first screw rod 3, the first motor 5 can drive the first screw rod 3 to rotate, thereby driving the first threaded block 4 and the placement plate 2 to move, and adjusting the position of the workpiece on the surface of the placement plate 2.

[0038] Reference Figure 1-Figure 7As shown, in a preferred embodiment, the positioning mechanism 6 is installed on the surface of the placement plate 2 for positioning the workpiece. The positioning mechanism 6 includes a positioning seat 601, a clamping block 604 and a driving block 609. The positioning seat 601 is fixedly installed on the surface of the placement plate 2 for placing the workpiece. The surface of the positioning seat 601 is symmetrically installed with a mounting seat 602. The surface of the mounting seat 602 is rotatably installed with a connecting plate 603. The clamping block 604 is rotatably installed at one end of the connecting plate 603 for fixing the workpiece on the surface of the positioning seat 601. The side wall of the positioning seat 601 is slidably installed with a driving ring 605. The driving ring 605 is wedge-shaped and is used to fix the workpiece on the surface of the positioning seat 601. A first connecting rod 606 is rotatably installed between the driving block 609, the driving ring 605 and the clamping block 604, a support arm 607 is fixedly installed at the bottom of the driving ring 605, and a first electric telescopic rod 608 is fixedly installed in the inner cavity of the positioning seat 601. The output end of the first electric telescopic rod 608 is fixedly connected to the support arm 607. The workpiece is placed on the surface of the positioning seat 601. The support arm 607 can be driven by the first electric telescopic rod 608 to drive the driving ring 605 to move upward, thereby driving the clamping block 604 to rotate counterclockwise through the first connecting rod 606 to clamp the surface of the workpiece and fix the workpiece in the inner cavity of the positioning seat 601.

[0039] Reference Figure 1-Figure 7 As shown, in a preferred embodiment, the driving block 609 is slidably installed in the inner cavity of the mounting seat 602, and the driving block 609 is wedge-shaped. A positioning rod 611 is fixedly installed at one end of the driving block 609 for positioning the workpiece. A slider 610 is fixedly installed on the side wall of the driving block 609, and the slider 610 is slidably installed in the inner cavity of the mounting seat 602. A first spring 612 is sleeved on the surface of the positioning rod 611, and one end of the first spring 612 is fixedly connected to the mounting seat 602, and the other end of the first spring 612 is fixedly connected to the driving block 609 for driving the positioning rod 611 to reset. When the first electric telescopic rod 608 drives the driving ring 605 to rise, the wedge-shaped surface of the driving ring 605 squeezes the wedge-shaped surface of the driving block 609, thereby driving the driving block 609 to move toward the center direction of the positioning seat 601, and the positioning rod 611 abuts against the surface of the workpiece, thereby completing the synchronous positioning of the workpiece, which is convenient for use.

[0040] Reference Figure 1-Figure 7As shown, in a preferred embodiment, the inner cavity of the mounting seat 602 is symmetrically provided with a first cavity 613, and the side wall of the first cavity 613 is provided with a plurality of first spray holes 614 for spraying and cleaning the surface of the positioning seat 601, and the inner cavity of the positioning seat 601 is symmetrically provided with a plurality of second cavities 615, the second cavities 615 are communicated with the first cavities 613, and a first piston 616 is slidably installed in the inner cavity of the second cavity 615, and a second spring 617 is fixedly installed in the second cavity 615, and one end of the second spring 617 is fixedly connected to the positioning seat 601, and the second spring 61 The other end is fixedly connected to the first piston 616 and is used to drive the first piston 616 to move upward. A driving rod 618 is symmetrically installed on the surface of the first piston 616. After cutting is completed, the first electric telescopic rod 608 is reset to drive the driving ring 605 to move downward, and the driving rod 618 is squeezed by the support arm 607 to drive the first piston 616 to move downward, so that the air in the second cavity 615 is squeezed into the first cavity 613 and sprayed from the first spray hole 614 to the surface of the positioning seat 601, so as to clean the debris remaining on the surface of the positioning seat 601 and facilitate subsequent use.

[0041] In a preferred embodiment, the workpiece is placed on the surface of the positioning seat 601, and the first electric telescopic rod 608 can drive the support arm 607 to drive the driving ring 605 to move upward, thereby driving the clamping block 604 to rotate counterclockwise through the first connecting rod 606 to clamp the surface of the workpiece and fix the workpiece in the inner cavity of the positioning seat 601. At the same time, when the driving ring 605 rises, the wedge surface of the driving ring 605 presses the wedge surface of the driving block 609, thereby driving the driving block 609 to move toward the center of the positioning seat 601, and The positioning rod 611 is placed against the surface of the workpiece to complete the synchronous positioning of the workpiece, which is convenient to use and improves the cutting efficiency. After the cutting is completed, the first electric telescopic rod 608 is reset, driving the driving ring 605 to move downward, and squeezing the driving rod 618 through the support arm 607, driving the first piston 616 to move downward, squeezing the air in the second cavity 615 into the first cavity 613, and spraying it toward the surface of the positioning seat 601 through the first spray hole 614, cleaning the debris remaining on the surface of the positioning seat 601, and facilitating subsequent use.

[0042] Reference Figure 1-Figure 8As shown, in a preferred embodiment, a cutting mechanism 7 is installed on the surface of the machine base 1 for cutting workpieces. The cutting mechanism 7 includes a transverse plate 701, a lifting plate 705 and a drilling rig 709. The transverse plate 701 is slidably installed on the side wall of the machine base 1. A second screw rod 702 is rotatably installed in the inner cavity of the machine base 1. A second threaded block 703 is fixedly installed on the side wall of the transverse plate 701. The second threaded block 703 is threadedly connected to the second screw rod 702. A second motor 704 is fixedly installed in the inner cavity of the machine base 1. Pulleys are installed on the output end of the second motor 704 and one end of the second screw rod 702. A belt is connected between the two pulleys. The second motor 704 can drive the pulley to drive the second screw rod 702 to rotate, thereby driving the second threaded block 703 to drive the transverse plate 701 to move horizontally, thereby adjusting the drilling rig 709 horizontally.

[0043] Reference Figure 1-Figure 8 As shown, in a preferred embodiment, the lifting plate 705 is slidably installed on the side wall of the transverse plate 701, and the third screw rod 706 is rotatably installed on the side wall of the lifting plate 705. The third motor 707 is fixedly installed on the side wall of the lifting plate 705. The output end of the third motor 707 and one end of the third screw rod 706 are both installed with pulleys, and a belt is connected between the two pulleys. The third threaded block 708 is fixedly installed on the side wall of the transverse plate 701, and the third threaded block 708 is threadedly connected to the third screw rod 706. The third motor 707 can drive the pulley to drive the third screw rod 706 to rotate, so that under the action of the third threaded block 708, the lifting plate 705 is driven to perform lifting and lowering movements, and the height of the drilling rig 709 is adjusted.

[0044] Reference Figure 1-Figure 8 As shown, in a preferred embodiment, the drill 709 is fixedly mounted on the side wall of the lifting plate 705, a drill rod 710 is mounted on the output end of the drill 709, a bracket 711 is symmetrically fixedly mounted on the side wall of the lifting plate 705, a limit frame 712 is slidably mounted on the inner cavity of the bracket 711, a stabilizing plate 713 is fixedly mounted on the bottom of the limit frame 712, and the stabilizing plate 713 is sleeved on the surface of the drill rod 710, which can effectively support the drill rod 710 and increase its overall rigidity; a distance sensor 714 is mounted on the side wall of the stabilizing plate 713 for monitoring the distance between the stabilizing plate 713 and the workpiece, and the surface of the bracket 711 is symmetrically mounted There is a second electric telescopic rod 715, the telescopic end of the second electric telescopic rod 715 is fixedly connected to the limit frame 712, and the distance between the stabilizing plate 713 and the workpiece is monitored in real time through the distance sensor 714. As the drill rod 710 gradually drills into the surface of the workpiece, the second electric telescopic rod 715 is controlled to extend, and the limit frame 712 is driven to drive the stabilizing plate 713 to gradually rise, which can always maintain the rigidity of the drill rod 710, avoid bending and vibration of the overhanging part of the drill rod 710, and reduce the wear rate of the drill rod 710 by reducing vibration, thereby extending the service life of the drill rod 710 and improving production efficiency.

[0045] In a preferred embodiment, when in use, the drill rig 709 can be adjusted horizontally by the second motor 704, and the height of the drill rig 709 can be adjusted by the third motor 707, which is convenient for use. The stabilizing plate 713 sleeved on the surface of the drill rod 710 can effectively support the drill rod 710 and increase its overall rigidity; and the distance sensor 714 is used to monitor the distance between the stabilizing plate 713 and the workpiece in real time, and as the drill rod 710 gradually penetrates into the surface of the workpiece, the second electric telescopic rod 715 is controlled to extend, and the limit frame 712 is driven to drive the stabilizing plate 713 to gradually rise, which can always maintain the rigidity of the drill rod 710, avoid bending and vibration of the overhanging part of the drill rod 710, and reduce the wear rate of the drill rod 710 by reducing vibration, thereby extending the service life of the drill rod 710 and improving production efficiency.

[0046] Reference Figure 1-Figure 11 As shown, in a preferred embodiment, a heat dissipation mechanism 8 is installed on the surface of the lifting plate 705 for dissipating heat for the drill rod 710. The heat dissipation mechanism 8 includes a fan 801, a third cavity 802 and a second spray hole 803. The fan 801 is fixedly installed on the surface of the base 1 for supplying air. The inner cavity of the stabilizing plate 713 is provided with a third cavity 802, and the side wall of the third cavity 802 is provided with a plurality of second spray holes 803 for jetting heat dissipation on the surface of the drill rod 710. The inner cavity of the limiting frame 712 is provided with an air passage 804, one end of the air passage 804 is communicated with the third cavity 802, and the other end of the air passage 804 is connected to the air outlet end of the fan 801 with an air pipe. The air can be sent into the third cavity 802 through the air pipe and the air passage 804 by the fan 801, and sprayed from the second spray hole 803 to the surface of the drill rod 710 for jetting heat dissipation, thereby improving the service life of the drill rod 710. At the same time, the drilled debris can be sprayed away for easy cleaning.

[0047] Reference Figure 1-Figure 11 As shown, in a preferred embodiment, an oil tank 805 is fixedly installed on the side wall of the lifting plate 705 for storing lubricating oil, an oil filling cylinder 806 is fixedly installed on the side wall of the lifting plate 705, a second piston 807 is slidably installed in the inner cavity of the oil filling cylinder 806, a second connecting rod 808 is installed between the second piston 807 and the limiting frame 712, when the second electric telescopic rod 715 drives the limiting frame 712 to move, the second piston 807 can be driven to move synchronously by the second connecting rod 808, a first one-way valve 809 and a second one-way valve 810 are installed on the surface of the oil filling cylinder 806, the first one-way valve 809 is unidirectionally connected to the inner cavity direction of the oil filling cylinder 806 for oil intake, the second one-way valve 810 is unidirectionally connected to the outer wall direction of the oil filling cylinder 806 for oil discharge, an oil pipe is connected between the first one-way valve 809 and the oil tank 805, and an oil pipe is connected between the second one-way valve 810 and the air pipe.

[0048] In a preferred embodiment, when in use, air can be sent into the third cavity 802 through the air pipe and the air duct 804 by the fan 801, and sprayed onto the surface of the drill rod 710 from the second spray hole 803 to dissipate heat, thereby increasing the service life of the drill rod 710. At the same time, the drilled debris can be sprayed away for easy cleaning; and as the drill rod 710 gradually penetrates into the surface of the workpiece, the second electric telescopic rod 715 extends, driving the limit frame 712 to drive the stabilizing plate 713 to gradually rise, and drives the second piston 807 to move upward synchronously through the second connecting rod 808, the second one-way valve 810 is turned on, and the lubricating oil in the oil injection cylinder 806 is injected into the air pipe, and finally sprayed onto the surface of the drill rod 710 from the second spray hole 803 to lubricate it, reduce friction, reduce cutting temperature, prevent excessive wear between the drill rod 710 and the workpiece, improve processing quality, and reduce wear of the drill rod 710.

[0049] Specifically, the working principle of the positioning and cutting device for CNC machine tool processing is as follows: when in use, the workpiece is placed on the surface of the positioning seat 601, and the first electric telescopic rod 608 can drive the support arm 607 to drive the driving ring 605 to move upward, thereby driving the clamping block 604 to rotate counterclockwise through the first connecting rod 606 to clamp the surface of the workpiece and fix the workpiece in the inner cavity of the positioning seat 601. At the same time, when the driving ring 605 rises, the wedge surface of the driving ring 605 presses the wedge surface of the driving block 609, thereby driving the driving block 609 to move toward the positioning seat 601. 01, and the positioning rod 611 is abutted against the surface of the workpiece to complete the synchronous positioning of the workpiece, which is convenient to use and improves the cutting efficiency; and after the cutting is completed, the first electric telescopic rod 608 is reset, the driving ring 605 is driven to move downward, and the driving rod 618 is squeezed by the support arm 607, the first piston 616 is driven to move downward, the air in the second cavity 615 is squeezed into the first cavity 613, and is sprayed toward the surface of the positioning seat 601 through the first spray hole 614, and the debris remaining on the surface of the positioning seat 601 is cleaned, which is convenient for subsequent use.

[0050] The drilling rig 709 can be adjusted horizontally by the second motor 704, and the height of the drilling rig 709 can be adjusted by the third motor 707, which is convenient to use. The stabilizing plate 713 sleeved on the surface of the drill rod 710 can effectively support the drill rod 710 and increase its overall rigidity; and the distance sensor 714 is used to monitor the distance between the stabilizing plate 713 and the workpiece in real time, and as the drill rod 710 gradually drills into the surface of the workpiece, the second electric telescopic rod 715 is controlled to extend, and the limit frame 712 is driven to drive the stabilizing plate 713 to gradually rise, which can always maintain the rigidity of the drill rod 710, avoid bending and vibration of the overhanging part of the drill rod 710, and reduce the wear rate of the drill rod 710 by reducing vibration, thereby extending the service life of the drill rod 710 and improving production efficiency.

[0051] The air can be sent into the third cavity 802 through the air pipe and the air channel 804 by the fan 801, and sprayed toward the surface of the drill rod 710 from the second spray hole 803 to dissipate heat, thereby increasing the service life of the drill rod 710. At the same time, the drilled debris can be sprayed away for easy cleaning. As the drill rod 710 gradually penetrates into the surface of the workpiece, the second electric telescopic rod 715 extends, driving the limit frame 712 to drive the stabilizing plate 713 to gradually rise, and drives the second piston 807 to move upward synchronously through the second connecting rod 808. The second one-way valve 810 is turned on, and the lubricating oil in the oil injection cylinder 806 is injected into the air pipe, and finally sprayed toward the surface of the drill rod 710 from the second spray hole 803 to lubricate it, reduce friction, reduce cutting temperature, prevent excessive wear between the drill rod 710 and the workpiece, improve processing quality, and reduce wear of the drill rod 710.

[0052] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A positioning and cutting device for CNC machine tool processing, characterized in that: The machine comprises a base (1), a placement plate (2) and a positioning mechanism (6), wherein the placement plate (2) is slidably mounted in the inner cavity of the base (1), and the positioning mechanism (6) is mounted on the surface of the placement plate (2) and is used to position a workpiece. The positioning mechanism (6) comprises: A positioning seat (601), the positioning seat (601) is fixedly mounted on the surface of the placement plate (2), a mounting seat (602) is symmetrically mounted on the surface of the positioning seat (601), and a connecting plate (603) is rotatably mounted on the surface of the mounting seat (602); A clamping block (604), the clamping block (604) being rotatably mounted on one end of the connecting plate (603) and being used to fix the workpiece on the surface of the positioning seat (601); A driving block (609), the driving block (609) being slidably mounted in the inner cavity of the mounting seat (602), the driving block (609) being wedge-shaped, and a positioning rod (611) being fixedly mounted on one end of the driving block (609) for positioning the workpiece; A first screw rod (3) is rotatably mounted in the inner cavity of the machine base (1); a first threaded block (4) is fixedly mounted on the bottom of the placement plate (2); the first screw rod (3) is threadedly connected to the first threaded block (4); a first motor (5) is fixedly mounted on the side wall of the machine base (1); an output end of the first motor (5) is fixedly connected to the first screw rod (3); A driving ring (605) is slidably mounted on the side wall of the positioning seat (601); the driving ring (605) is wedge-shaped and is used to drive the driving block (609); a first connecting rod (606) is rotatably mounted between the driving ring (605) and the clamping block (604); a support arm (607) is fixedly mounted on the bottom of the driving ring (605); a first electric telescopic rod (608) is fixedly mounted in the inner cavity of the positioning seat (601); and an output end of the first electric telescopic rod (608) is fixedly connected to the support arm (607); A slider (610) is fixedly mounted on the side wall of the driving block (609), and the slider (610) is slidably mounted in the inner cavity of the mounting seat (602). A first spring (612) is sleeved on the surface of the positioning rod (611), and one end of the first spring (612) is fixedly connected to the mounting seat (602), and the other end of the first spring (612) is fixedly connected to the driving block (609), and is used to drive the positioning rod (611) to reset; The mounting seat (602) has a first cavity (613) symmetrically formed in its inner cavity, a plurality of first spray holes (614) formed in the side wall of the first cavity (613), a plurality of second cavities (615) symmetrically formed in its inner cavity, the second cavity (615) being in communication with the first cavity (613), a first piston (616) being slidably mounted in the inner cavity of the second cavity (615), a second spring (617) being fixedly mounted in the second cavity (615), one end of the second spring (617) being fixedly connected to the positioning seat (601), and the other end of the second spring (617) being fixedly connected to the first piston (616) for driving the first piston (616) to move upward, and a driving rod (618) being symmetrically mounted on the surface of the first piston (616); A cutting mechanism (7) is installed on the surface of the machine base (1) for cutting a workpiece. The cutting mechanism (7) comprises a transverse plate (701), a lifting plate (705) and a drilling machine (709). The transverse plate (701) is slidably installed on the side wall of the machine base (1). A second screw rod (702) is rotatably installed in the inner cavity of the machine base (1). A second threaded block (703) is fixedly installed on the side wall of the transverse plate (701). The second threaded block (703) is threadedly connected to the second screw rod (702). A second motor (704) is fixedly installed in the inner cavity of the machine base (1). Pulleys are installed at the output end of the second motor (704) and one end of the second screw rod (702). A belt is connected between the two pulleys. The lifting plate (705) is slidably mounted on the side wall of the transverse plate (701); a third screw rod (706) is rotatably mounted on the side wall of the lifting plate (705); a third motor (707) is fixedly mounted on the side wall of the lifting plate (705); a pulley is mounted on the output end of the third motor (707) and one end of the third screw rod (706); a belt is connected between the two pulleys; a third threaded block (708) is fixedly mounted on the side wall of the transverse plate (701); and the third threaded block (708) is threadedly connected to the third screw rod (706); The drilling machine (709) is fixedly mounted on the side wall of the lifting plate (705); a drill rod (710) is mounted on the output end of the drilling machine (709); a bracket (711) is symmetrically fixedly mounted on the side wall of the lifting plate (705); a limit frame (712) is slidably mounted in the inner cavity of the bracket (711); a stabilizing plate (713) is fixedly mounted on the bottom of the limit frame (712); the stabilizing plate (713) is sleeved on the surface of the drill rod (710); a distance sensor (714) is mounted on the side wall of the stabilizing plate (713); a second electric telescopic rod (715) is symmetrically mounted on the surface of the bracket (711); and the telescopic end of the second electric telescopic rod (715) is fixedly connected to the limit frame (712); A heat dissipation mechanism (8) is installed on the surface of the lifting plate (705) for dissipating heat from the drill rod (710), the heat dissipation mechanism (8) comprising a fan (801), a third cavity (802) and a second spray hole (803), the fan (801) is fixedly installed on the surface of the machine base (1), the inner cavity of the stabilizing plate (713) is provided with a third cavity (802), the side wall of the third cavity (802) is provided with a plurality of second spray holes (803), the inner cavity of the limiting frame (712) is provided with an air passage (804), one end of the air passage (804) is in communication with the third cavity (802), and the other end of the air passage (804) is connected to an air outlet end of the fan (801) by an air pipe; An oil tank (805) is fixedly mounted on the side wall of the lifting plate (705) for storing lubricating oil. An oil filling cylinder (806) is fixedly mounted on the side wall of the lifting plate (705). A second piston (807) is slidably mounted in the inner cavity of the oil filling cylinder (806). A second connecting rod (808) is mounted between the second piston (807) and the limiting frame (712). A first one-way valve (809) and a second one-way valve (810) are mounted on the surface of the oil filling cylinder (806). An oil pipe is connected between the first one-way valve (809) and the oil tank (805), and an oil pipe is connected between the second one-way valve (810) and the air pipe.

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