Numerical control machine tool with pressure detection function

Abstract

The utility model relates to the technical field of numerical control machining, and discloses a numerical control machine tool with a pressure detection function, which comprises a base and a shell, the upper end face of the base is fixedly connected with a shell, and the left end of the upper end face of the base is fixedly connected with a horizontal telescopic cylinder; a radial telescopic air cylinder is fixedly connected to the moving end face of the upper portion of the horizontal telescopic air cylinder, and an axial horizontal air cylinder is fixedly connected to the right end of the upper portion of the horizontal telescopic air cylinder. The right end face of the axial horizontal air cylinder is fixedly connected with the left end face of the shell. A motor is fixedly connected to the right end of the inner top face of the shell, and a third rotating shaft is fixedly connected to the shaft end of the motor. The device not only can flexibly adjust the position of the cutter, but also can timely spray cooling liquid to the cutter when the cutter rotates for machining, and the pressure sensor is arranged at the upper end of the cutter rotating rod to ensure that the pressure borne by the cutter is within a normal threshold value, so that the service life of the cutter is prolonged, and the working state of the cutter is prolonged. The structure is simple, stable and reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control machining, in particular to a numerical control machine tool with a pressure detection function. Background Art

[0002] CNC machine tools, or digitally controlled machine tools, are computer-controlled machines that control the movement and processing of the machine tools through digital instructions. They can achieve high-precision and high-efficiency processing of metals or other materials. However, existing CNC machine tools still have certain defects, such as:

[0003] A CNC machine tool with application number CN202020658282.5 includes a base plate, a top plate, a CNC machine tool, a control panel and a water tank. Universal wheels are fixedly installed at the four corners of the bottom of the base plate, a support rod is fixedly installed at the bottom of the base plate near the universal wheels, and a top plate is fixedly installed on the top of the base plate through an electric push rod; the device is not equipped with a tool pressure sensing detection function, so it is impossible to realize real-time monitoring of the pressure state of the tool, and it is difficult to ensure whether the tool operates normally during work. In view of this, a CNC machine tool with pressure detection function is proposed to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a CNC machine tool with a pressure detection function to solve the problem in the above background technology that the existing CNC machine tools cannot monitor the pressure on the tool in real time.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: it comprises a base and a shell, the upper end face of the base is fixedly connected to the shell, and the left end of the upper end face of the base is fixedly connected to a horizontal telescopic cylinder; the upper movable end face of the horizontal telescopic cylinder is fixedly connected to a radial telescopic cylinder, and the upper right end of the radial telescopic cylinder is fixedly connected to an axial horizontal cylinder; the right end face of the axial horizontal cylinder is fixedly connected to the left end face of the shell; the right end of the top surface inside the shell is fixedly connected to a motor, and the shaft end of the motor is fixedly connected to a No. 3 rotating shaft; the No. 3 rotating shaft passes through the lower end face of the shell, and the lower end face of the No. 3 rotating shaft is fixedly connected to a limiting seat; the left end of the lower end face of the limiting seat is fixedly connected to a pressure sensor, and the inner bearing of the limiting seat is connected to a threaded rod; the right end of the threaded rod passes through the The right end face of the limit seat, and the limit plate is mounted on the threaded rod; the upper end face of the limit plate is slidably connected to the upper end face inside the limit seat, and a movable groove is provided on the upper end face inside the limit seat; the upper end face inside the limit seat is fixedly connected to a pressure detector, and the pressure detector and the pressure sensor are electrically connected; a No. 2 rotating shaft is provided at the lower end of the limit seat, and the No. 2 rotating shaft is relatively fixed to the limit seat through the limit plate; the lower end face of the No. 2 rotating shaft is fixedly connected to the tool; a partition is fixedly connected to the inner wall surface of the shell; a helical gear is mounted on the No. 3 rotating shaft, and the helical gear is located in the shell; a No. 1 rotating shaft is provided at the left end of the No. 3 rotating shaft, and the right end of the No. 1 rotating shaft is fixedly connected to the helical gear; the No. 1 rotating shaft and the No. 3 rotating shaft are connected through a helical gear transmission.

[0006] The above technical solution is adopted to ensure the stability of the overall structure.

[0007] As a preferred technical solution of the present invention, the left end of the No. 1 rotating shaft passes through the partition, and the left end of the No. 1 rotating shaft is connected to the left end bearing of the inner wall of the shell.

[0008] The adoption of the above technical solution facilitates the stability of the internal mechanical structure.

[0009] As an optimal technical solution of the present invention, the shaft of the No. 1 rotating shaft located at the left end of the partition is provided with a single-section reciprocating thread, and a piston plate is mounted on the No. 1 rotating shaft; the piston plate is slidably connected to the inner wall of the shell.

[0010] The above technical solution facilitates periodic pressure changes in the chamber at the left end of the partition.

[0011] As an optimal technical solution of the present invention, the lower end face of the shell is fixedly connected to a water spray pipe, and the upper end face of the shell is fixedly connected to an elastic water pipe; a one-way valve is fixedly provided at the connection between the shell and the water spray pipe and the elastic water pipe, and the one-way valve is located at the left end of the partition.

[0012] The above technical solution facilitates water absorption and drainage in the chamber at the left end of the partition.

[0013] As a preferred technical solution of the present invention, the upper end surface of the horizontal telescopic cylinder is fixedly connected to a liquid storage tank, and the tail end of the elastic water pipe passes through the upper end surface of the liquid storage tank.

[0014] The above technical solution is adopted to facilitate the storage of coolant.

[0015] As an optimal technical solution of the present invention, a grid plate is slidably connected to the right end of the upper end surface of the base, and a vise is provided on the upper end of the grid plate; a waste box is slidably connected to the lower end of the base, and a through groove is provided between the grid plate and the waste box.

[0016] The above technical solution is adopted to facilitate the collection of waste liquid.

[0017] As a preferred technical solution of the present invention, the outer end surface of the shell is slidably connected to the box door through a slide rail, and the left end of the upper end surface of the shell is fixedly connected to the alarm light.

[0018] Compared with the existing technology, the beneficial effects of the present invention are: the device can not only flexibly adjust the position of the tool, but also can spray coolant on the tool in time when the tool is rotating for processing, and a pressure sensor is provided at the upper end of the tool rotating rod to ensure that the pressure borne by the tool is within the normal threshold, thereby extending the service life of the tool. Its structure is simple and stable and reliable.

[0019] 1. First, rotate the threaded rod, which drives the limit plate to move to the left, and fix the No. 2 rotating shaft and the limit seat relatively. At this time, the top of the No. 2 rotating shaft is against the pressure sensor, and then fix the workpiece with a vise;

[0020] 2. Then start the motor, which drives the tool to rotate through the No. 3 rotating shaft, the limit seat, and the No. 2 rotating shaft. At the same time, the motor drives the No. 1 rotating shaft through the bevel gear. The No. 1 rotating shaft drives the piston plate to move back and forth at the left end of the partition. The pressure in the chamber at the left end of the partition changes periodically. When the piston plate moves to the left, the pressure in the chamber increases, and the liquid in the liquid storage tank enters the chamber through the elastic water pipe. When the piston plate moves to the right, the liquid is sprayed toward the tool through the water spray pipe under the action of pressure;

[0021] 3. Under the control of the program, the tool is driven to move flexibly in the housing through the horizontal telescopic cylinder, radial telescopic cylinder and axial telescopic cylinder. When the tool contacts the workpiece, the pressure detector transmits data to the pressure sensor. When the tool pressure data exceeds the warning data, the pressure sensor sends a signal to the background system, drives the tool to move upward through the radial telescopic cylinder, and lights up the alarm at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0023] Figure 2 For this utility model Figure 1 A in the middle is an enlarged structural diagram;

[0024] Figure 3 This is a schematic diagram of the main structure of the utility model when the door is closed;

[0025] Figure 4 This is a schematic diagram of the main structure of the utility model when the door is open;

[0026] Figure 5 It is a schematic diagram of the three-dimensional structure of the utility model.

[0027] In the figure: 1. Base; 2. Horizontal telescopic cylinder; 3. Liquid storage tank; 4. Elastic water pipe; 5. Radial telescopic cylinder; 6. Axial horizontal cylinder; 7. Housing; 8. Piston plate; 9. Motor; 10. Bevel gear; 11. No. 1 rotating shaft; 12. No. 2 rotating shaft; 13. Partition; 14. Water spray pipe; 15. Grid plate; 16. Waste box; 17. Limit plate; 18. Limit seat; 19. Pressure detector; 20. Pressure sensor; 21. Threaded rod; 22. No. 3 rotating shaft. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described 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.

[0029] See also Figure 1-5, the technical solution of the utility model: a CNC machine tool with a pressure detection function, comprising a base 1 and a shell 7, the upper end face of the base 1 is fixedly connected to the shell, and the left end of the upper end face of the base 1 is fixedly connected to a horizontal telescopic cylinder 2; the upper movable end face of the horizontal telescopic cylinder 2 is fixedly connected to a radial telescopic cylinder 5, and the upper right end of the radial telescopic cylinder 5 is fixedly connected to an axial horizontal cylinder 6; the right end face of the axial horizontal cylinder 6 is fixedly connected to the left end face of the shell 7; the right end of the inner top face of the shell 7 is fixedly connected to a motor 9, and the shaft end of the motor 9 is fixedly connected to a No. 3 rotating shaft 22; the No. 3 rotating shaft 22 passes through the lower end face of the shell 7, and the lower end face of the No. 3 rotating shaft 22 is fixedly connected to a limit seat 18; the left end of the lower end face of the limit seat 18 is fixedly connected to a pressure sensor 20, and the inner bearing of the limit seat 18 is connected to a threaded rod 21; the right end of the threaded rod 21 passes through the right end face of the limit seat 18, and A limit plate 17 is mounted on the threaded rod 21; the upper end surface of the limit plate 17 is slidably connected to the upper end surface inside the limit seat 18, and a movable groove is provided on the upper end surface inside the limit seat 18; a pressure detector 19 is fixedly connected to the upper end surface inside the limit seat 18, and the pressure detector 19 is electrically connected to the pressure sensor 20; a No. 2 rotating shaft 12 is provided at the lower end of the limit seat 18, and the No. 2 rotating shaft 12 is relatively fixed to the limit seat 18 through the limit plate 17; the lower end surface of the No. 2 rotating shaft 12 is fixedly connected to the tool; a partition plate 13 is fixedly connected to the inner wall surface of the housing 7; a bevel gear 10 is mounted on the No. 3 rotating shaft 22, and the bevel gear 10 is located inside the housing 7; a No. 1 rotating shaft 11 is provided at the left end of the No. 3 rotating shaft 22, and the right end of the No. 1 rotating shaft 11 is fixedly connected to the bevel gear 10; the No. 1 rotating shaft 11 and the No. 3 rotating shaft 22 are connected by the bevel gear 10 for transmission, so as to ensure the stability of the overall structure;

[0030] The left end of the first rotating shaft 11 passes through the partition 13 and is connected to the left end bearing of the inner wall of the shell 7 to ensure the stability of the internal mechanical structure.

[0031] The shaft of the first rotating shaft 11 at the left end of the partition 13 is provided with a single-stage reciprocating thread, and the first rotating shaft 11 is fitted with a piston plate 8. The piston plate 8 is slidably connected to the inner wall of the housing 7 to facilitate periodic pressure changes in the chamber at the left end of the partition 13.

[0032] The lower end surface of the shell 7 is fixedly connected to a water spray pipe 14, and the upper end surface of the shell 7 is fixedly connected to an elastic water pipe 4; a one-way valve is fixedly provided at the connection between the shell 7 and the water spray pipe 14 and the elastic water pipe 4, and the one-way valve is located at the left end of the partition 13 to facilitate water absorption and drainage in the chamber at the left end of the partition 13;

[0033] The upper end surface of the horizontal telescopic cylinder 2 is fixedly connected to the liquid storage tank 3, and the tail end of the elastic water pipe 4 passes through the upper end surface of the liquid storage tank 3 to facilitate the storage of coolant;

[0034] The right end of the upper end surface of the base 1 is slidably connected to a grid plate 15, and a vise is provided on the upper end of the grid plate 15; the lower end of the base 1 is slidably connected to a waste box 16, and a through groove is provided between the grid plate 15 and the waste box 16 to facilitate the collection of waste liquid;

[0035] The outer end surface of the shell is slidably connected to the box door through a slide rail, and the left end of the upper end surface of the shell is fixedly connected to the alarm light;

[0036] Working principle: First, rotate the threaded rod 21, which drives the limit plate 17 to move to the left, fixing the second shaft 12 and the limit seat 18 relative to each other. At this time, the top of the second shaft 12 is against the pressure sensor 20, and then the workpiece is fixed by a vise.

[0037] Then, the motor 9 is started, and the motor 9 drives the tool to rotate through the third shaft 22, the limit seat 18, and the second shaft 12. At the same time, the motor 9 drives the first shaft 11 to rotate through the bevel gear 10. The first shaft 11 drives the piston plate 8 to reciprocate at the left end of the partition 13. The pressure in the chamber at the left end of the partition 13 changes periodically. When the piston plate 8 moves to the left, the pressure in the chamber increases, and the liquid in the liquid storage tank 3 enters the chamber through the elastic water pipe 4. When the piston plate 8 moves to the right, the liquid is sprayed toward the tool through the water spray pipe 14 under the action of pressure;

[0038] Under the control of the program, the tool is driven to move flexibly in the housing through the horizontal telescopic cylinder 2, the radial telescopic cylinder 5 and the axial horizontal cylinder 6. When the tool contacts the workpiece, the pressure detector 19 transmits data to the pressure sensor 20. When the tool pressure data exceeds the warning data, the pressure sensor 20 sends a signal to the background system, driving the tool to move upward through the radial telescopic cylinder 5, and the alarm lights up at the same time.

[0039] Although the embodiments of the present invention have been shown and described, it will be understood 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 present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A CNC machine tool with a pressure detection function, comprising a base (1) and a housing (7), characterized in that: The upper end surface of the base (1) is fixedly connected to the housing, and the left end of the upper end surface of the base (1) is fixedly connected to a horizontal telescopic cylinder (2); the upper movable end surface of the horizontal telescopic cylinder (2) is fixedly connected to a radial telescopic cylinder (5), and the upper right end of the radial telescopic cylinder (5) is fixedly connected to an axial horizontal cylinder (6); the right end surface of the axial horizontal cylinder (6) is fixedly connected to the left end surface of the housing (7); the right end of the inner top surface of the housing (7) is fixedly connected to a motor (9), and the motor (9) The shaft end is fixedly connected with a third rotating shaft (22); the third rotating shaft (22) passes through the lower end surface of the housing (7), and the lower end surface of the third rotating shaft (22) is fixedly connected to a limiting seat (18); the left end of the lower end surface of the limiting seat (18) is fixedly connected with a pressure sensor (20), and the inner bearing of the limiting seat (18) is connected with a threaded rod (21); the right end of the threaded rod (21) passes through the right end surface of the limiting seat (18), and a limiting plate (17) is sleeved on the threaded rod (21); The upper end surface of the limiting plate (17) is slidably connected to the inner upper end surface of the limiting seat (18), and a movable groove is provided on the inner upper end surface of the limiting seat (18); the inner upper end surface of the limiting seat (18) is fixedly connected to a pressure detector (19), and the pressure detector (19) and the pressure sensor (20) are electrically connected; the lower end of the limiting seat (18) is provided with a second rotating shaft (12), and the second rotating shaft (12) is relatively fixed to the limiting seat (18) through the limiting plate (17); The lower end surface of the No. 2 rotating shaft (12) is fixedly connected to the tool; the inner wall surface of the housing (7) is fixedly connected to a partition (13); the No. 3 rotating shaft (22) is sleeved with a bevel gear (10), and the bevel gear (10) is located in the housing (7); the No. 1 rotating shaft (11) is provided at the left end of the No. 3 rotating shaft (22), and the right end of the No. 1 rotating shaft (11) is fixedly connected to the bevel gear (10); the No. 1 rotating shaft (11) and the No. 3 rotating shaft (22) are connected by transmission via the bevel gear (10).

2. The CNC machine tool with pressure detection function according to claim 1, characterized in that: The left end of the first rotating shaft (11) passes through the partition (13), and the left end of the first rotating shaft (11) is connected to the left end bearing of the inner wall surface of the shell (7).

3. The CNC machine tool with pressure detection function according to claim 2, characterized in that: The shaft of the No. 1 rotating shaft (11) located at the left end of the partition (13) is provided with a single-stage reciprocating thread, and a piston plate (8) is sleeved on the No. 1 rotating shaft (11); the piston plate (8) is slidably connected to the inner wall surface of the housing (7).

4. The CNC machine tool with pressure detection function according to claim 3, characterized in that: The lower end surface of the shell (7) is fixedly connected to a water spray pipe (14), and the upper end surface of the shell (7) is fixedly connected to an elastic water pipe (4); a one-way valve is fixedly provided at the connection between the shell (7) and the water spray pipe (14) and the elastic water pipe (4), and the one-way valve is located at the left end of the partition (13).

5. The CNC machine tool with pressure detection function according to claim 4, characterized in that: The upper end surface of the horizontal telescopic cylinder (2) is fixedly connected to a liquid storage tank (3), and the tail end of the elastic water pipe (4) passes through the upper end surface of the liquid storage tank (3).

6. The CNC machine tool with pressure detection function according to claim 5, characterized in that: The right end of the upper end surface of the base (1) is slidably connected to a grid plate (15), and a vise is provided on the upper end of the grid plate (15); the lower end of the base (1) is slidably connected to a waste box (16), and a through groove is provided between the grid plate (15) and the waste box (16).

7. The CNC machine tool with pressure detection function according to claim 6, characterized in that: The outer end surface of the shell is slidably connected to the box door through a slide rail, and the left end of the upper end surface of the shell is fixedly connected to the alarm light.

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