Corrosion resistance testing device for window of numerical control machine tool

Abstract

A corrosion resistance testing device for a window of a numerical control machine tool comprises: a workbench, which is provided with a corrosive liquid tank; the driving assembly is arranged on the workbench, a window fixing assembly is arranged on the driving assembly, a first target to-be-detected window and a second target to-be-detected window are detachably arranged on the window fixing assembly, and the driving assembly is used for driving the window fixing assembly to move so that the first target to-be-detected window can be immersed into the corrosive liquid tank; the spraying device is arranged on the window fixing assembly, and the spraying device is used for spraying corrosive liquid to the second target to be detected; and the testing device and the knocking testing device are arranged on the workbench. Therefore, the window influenced by different corrosion environments can be detected, so that more comprehensive corrosion resistance data can be obtained.

Description

Technical Field

[0001] The invention relates to the technical field of machine tool accessories detection, and in particular to a device for testing the corrosion resistance of a CNC machine tool window. Background Art

[0002] The machine tool window is designed to allow operators to observe the internal processing flow of the machine tool and monitor and observe it. It has strong impact resistance and can cope with unexpected situations such as milling chips, tool breakage, loose clamps, and workpiece ejection. The machine tool window is easily corroded by corrosive substances (such as chip fluid, lubricant, detergent, etc.) during the operation of the machine tool. In order to ensure the protection quality of the machine tool window, it is necessary to perform corrosion resistance testing on the machine tool window.

[0003] In the related art, a machine tool window is usually fixed and placed in a corrosive liquid. After a preset time, an impact test is performed, and the corrosion resistance data of the machine tool window is obtained based on the impact results. This test method is relatively simple. By detecting the corrosion state of the infiltrated corrosive liquid, only the overall corrosion resistance of the machine tool window can be obtained, and more comprehensive corrosion resistance data of the machine tool window cannot be obtained. Summary of the invention

[0004] The present invention aims to solve one of the technical problems in the above-mentioned technology at least to some extent.

[0005] To this end, the purpose of the present invention is to provide a CNC machine tool window corrosion resistance testing device, which can detect windows affected by different corrosion environments to obtain more comprehensive corrosion resistance data.

[0006] To achieve the above-mentioned purpose, the present invention proposes a corrosion resistance testing device for a CNC machine tool window, comprising: a workbench, on which a corrosion liquid tank is provided; a driving component, which is arranged on the workbench and on which a window fixing component is provided, on which a first target window to be tested and a second target window to be tested are detachably provided, and the driving component is used to drive the window fixing component to move so that the first target window to be tested is immersed in the corrosion liquid tank; a spraying device, which is arranged on the window fixing component, and is used to spray the second target window to be tested with corrosion liquid; and a knocking test device, which is arranged on the workbench and is used to perform knocking detection on the first target window to be tested or the second target window to be tested.

[0007] In one embodiment of the present invention, the window fixing assembly includes: a frame, a first motor, a mounting bracket, an elastic buffer plate, a first window fixing member and a second window fixing member, wherein the frame is arranged on the driving assembly, the first motor is arranged on the frame, the mounting bracket is arranged at the driving end of the first motor, the elastic buffer plate, the first window fixing member and the second window fixing member are respectively arranged on the mounting bracket, and the elastic buffer plate is arranged between the first window fixing member and the second window fixing member.

[0008] In one embodiment of the present invention, the first window fixing member includes: a plurality of clamping assemblies, a second motor, a driving wheel, a synchronous toothed belt and a plurality of supporting wheels, wherein the plurality of clamping assemblies are respectively arranged on the mounting frame, the second motor is arranged on the inner wall of the mounting frame, the driving wheel is arranged on the driving end of the second motor, the plurality of supporting wheels are respectively arranged on the inner wall of the mounting frame, the synchronous toothed belt is respectively meshed with the driving wheel and the plurality of supporting wheels, and the synchronous toothed belt is connected to the plurality of clamping assemblies.

[0009] In one embodiment of the present invention, the clamping assembly includes: a first electric telescopic rod, a gear ring, a rod body and a clamping plate, wherein the first electric telescopic rod is rotatably arranged on the mounting frame through a bearing seat, the gear ring is arranged on the first electric telescopic rod, and the gear ring is engaged with the synchronous toothed belt, one end of the rod body is arranged at the telescopic end of the first electric telescopic rod, and the clamping plate is arranged on the other end of the rod body.

[0010] In one embodiment of the present invention, the second window fixing member includes: a plurality of second electric telescopic rods and a plurality of electric-controlled suction cups, and the plurality of second electric telescopic rods and the plurality of electric-controlled suction cups correspond one to one, wherein the plurality of second electric telescopic rods are respectively arranged on the mounting frame, and the electric-controlled suction cup is arranged at the driving end of the second electric telescopic rod.

[0011] In one embodiment of the present invention, the driving assembly includes: a horizontal driving device, a vertical driving device and a third motor, wherein the horizontal driving device is arranged on the workbench, the vertical driving device is arranged on the horizontal driving device, and the third motor is arranged on the vertical driving device, wherein the frame is connected to the driving end of the third motor.

[0012] In one embodiment of the present invention, the spray device includes: a spray head, a pump body, a connecting hose and a connecting pipe, wherein the spray head is arranged on a frame body, the pump body is arranged on the workbench, one end of the connecting hose is connected to the output end of the pump body, and the other end of the connecting hose is connected to the spray head, a circulation pool is provided on the workbench, one end of the connecting pipe is connected to the circulation pool, and the other end of the connecting pipe is connected to the input end of the pump body.

[0013] In one embodiment of the present invention, the knocking test device includes: a barrel body, a limit rod, a spring, a limit slider, a knocking head, a fourth motor, a winding wheel and a pull rope, wherein the barrel body is arranged on the workbench, the limit rod is fixedly arranged on the inner wall of the barrel body, the spring is sleeved on the limit rod, the limit slider is slidably connected to the limit rod, and the limit slider is connected to the end of the spring, the limit slider is fixedly connected to the knocking head, the fourth motor is arranged in the barrel body, the winding wheel is arranged at the driving end of the fourth motor, one end of the pull rope is connected to the winding wheel, and the other end of the pull rope is connected to the knocking head.

[0014] In one embodiment of the present invention, it also includes: a waste box and two side baffles, wherein a recovery trough is opened on the workbench, the waste box is slidably connected to the recovery trough, and the two side baffles are symmetrically arranged on the upper part of the workbench with the central axis of the recovery trough as the symmetry axis.

[0015] Beneficial effects of the present invention: When corrosion is required, the drive assembly can immerse the first target window to be tested into the corrosion liquid tank to obtain the corrosion resistance data of the machine tool window in the continuous immersion environment. At this time, the second target window to be tested is set above the first target window to be tested, and the corrosion liquid is sprayed into the machine tool window through the spray device to simulate the splashing or atomization of the corrosion liquid that may be encountered in the machine tool operation environment, so as to obtain the corrosion resistance performance of the machine tool window in the splashing environment. By simulating two different corrosion environments, more comprehensive corrosion resistance data of the machine tool window can be obtained.

[0016] When impact is required, the driving component can turn the target window to be tested toward the knocking test device to facilitate the knocking experiment, and can quickly detect the machine tool windows in two corrosive environments by switching the positions of the second target window to be tested and the first target window to be tested, thereby improving the detection efficiency.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which: Figure 1 It is a schematic diagram of the overall structure of a device for testing the corrosion resistance of a CNC machine tool window according to one embodiment of the present invention; Figure 2 It is a schematic diagram of a front cross-sectional structure of a device for testing the corrosion resistance of a CNC machine tool window according to one embodiment of the present invention; Figure 3 It is a schematic diagram of a side cross-sectional structure of a device for testing the corrosion resistance of a CNC machine tool window according to one embodiment of the present invention; Figure 4 It is a front view cross-sectional structural schematic diagram of a CNC machine tool window corrosion resistance testing device according to another embodiment of the present invention; Figure 5 is a schematic structural diagram of a collision detection device according to an embodiment of the present invention; Figure 6 for Figure 2 A partial enlarged view of the middle A area; Figure 7 for Figure 2 A partial enlarged view of the B area; Figure 8 FIG. 4 is a usage state diagram according to an embodiment of the present invention.

[0019] As shown in the figure: 1. workbench, 2. corrosion liquid tank, 3. drive assembly, 31. horizontal drive device, 32. vertical drive device, 33. third motor, 4. window fixing assembly, 41. frame, 42. first motor, 43. mounting frame, 44. elastic buffer plate, 45. first window fixing part, 451. clamping assembly, 4511. first electric telescopic rod, 4512. gear ring, 4513. rod body, 4514. splint, 452. second motor, 453. driving wheel, 454. synchronous toothed belt, 455. support Wheel, 46, second window fixing part, 461, second electric telescopic rod, 462, electric control suction cup, 5, first target window to be tested, 6, second target window to be tested, 7, spray device, 71, spray head, 72, pump body, 73, connecting hose, 74, connecting pipe, 8, knocking test device, 81, barrel body, 82, limit rod, 83, spring, 84, limit slider, 85, knocking head, 86, fourth motor, 87, winding wheel, 88, pull rope, 9, waste box, 10, side baffle, 11, recovery tank, 12, circulation pool. DETAILED DESCRIPTION

[0020] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0021] A device for testing the corrosion resistance of a window of a numerically controlled machine tool according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0022] like Figure 1 and Figure 2 As shown, a corrosion resistance testing device for a CNC machine tool window according to an embodiment of the present invention may include: a workbench 1, a driving assembly 3, a spray device 7 and a knocking test device 8.

[0023] A corrosion liquid tank 2 is provided on the workbench 1, a driving component 3 is arranged on the workbench 1, and a window fixing component 4 is arranged on the driving component 3, a first target window to be tested 5 and a second target window to be tested 6 are detachably arranged on the window fixing component 4, the driving component 3 is used to drive the window fixing component 4 to move so that the first target window to be tested 5 is immersed in the corrosion liquid tank 2, a spray device 7 is arranged on the window fixing component 4, the spray device 7 is used to spray the corrosion liquid on the second target window to be tested, and a knocking test device 8 is arranged on the workbench 1, and is used to perform knocking detection on the first target window to be tested or the second target window to be tested.

[0024] It can be understood that the driving assembly 3 described in this embodiment can adjust the working position of the window fixing assembly 4 according to needs, so as to complete the corrosion work and knocking test work on the window and improve the test efficiency.

[0025] In one embodiment of the present invention, Figure 2 and Figure 3 As shown, the window fixing assembly 4 may include: a frame 41, a first motor 42, a mounting frame 43, an elastic buffer plate 44, a first window fixing member 45 and a second window fixing member 46.

[0026] Among them, the frame 41 is set on the driving assembly 3, the first motor 42 is set on the frame 41, the mounting frame 43 is set at the driving end of the first motor 42, the elastic buffer plate 44, the first window fixing member 45 and the second window fixing member 46 are respectively set on the mounting frame 43, and the elastic buffer plate 44 is set between the first window fixing member 45 and the second window fixing member 46.

[0027] It can be understood that the elastic buffer plate 44 described in this embodiment can protect other windows when one window is undergoing a knock test.

[0028] like Figure 1 , Figure 3 and Figure 4 As shown, the driving assembly 3 may include: a horizontal driving device 31, a vertical driving device 32 and a third motor 33, wherein the horizontal driving device 31 is arranged on the workbench 1, the vertical driving device 32 is arranged on the horizontal driving device 31, and the third motor 33 is arranged on the vertical driving device 32, wherein the frame 41 is connected to the driving end of the third motor 33.

[0029] It should be noted that the horizontal drive device 31 and the vertical drive device 32 described in this embodiment both adopt a ball screw drive structure, and the ball screw drive structure may include: a drive bin, a drive motor, a ball screw, a ball slider and a connecting piece. The drive bin is installed at a location to be installed (for example, the location to be installed of the horizontal drive device 31 is the workbench 1), the drive motor is arranged in the drive bin, the ball screw is rotatably arranged in the drive bin, the ball slider is arranged on the ball screw, the connecting piece is arranged on the ball slider, and the connecting piece is connected to the part to be driven (for example, the part to be driven of the horizontal drive device 31 is the vertical drive device 32).

[0030] In one embodiment of the present invention, Figure 2 , Figure 3 and Figure 6 As shown, the first window fixing member 45 may include: a plurality of clamping components 451, a second motor 452, a driving wheel 453, a synchronous toothed belt 454 and a plurality of supporting wheels 455, wherein the plurality of clamping components 451 are respectively arranged on the mounting frame 43, the second motor 452 is arranged on the inner wall of the mounting frame 43, the driving wheel 453 is arranged on the driving end of the second motor 452, the plurality of supporting wheels 455 are respectively arranged on the inner wall of the mounting frame 43, the synchronous toothed belt 454 is respectively meshed with the driving wheel 453 and the plurality of supporting wheels 455, and the synchronous toothed belt 454 is connected to the plurality of clamping components 451.

[0031] The clamping assembly 451 may include: a first electric telescopic rod 4511, a gear ring 4512, a rod body 4513 and a clamping plate 4514, wherein the first electric telescopic rod 4511 is rotatably set on the mounting frame 43 through a bearing seat, the gear ring 4512 is set on the first electric telescopic rod 4511, and the gear ring 4512 is engaged with the synchronous toothed belt 454, one end of the rod body 4513 is set at the telescopic end of the first electric telescopic rod 4511, and the clamping plate 4514 is set on the other end of the rod body 4513.

[0032] It can be understood that the second motor 452 described in this embodiment drives the synchronous belt 454 to operate through the driving wheel 453, and the synchronous belt 454 can control the rotation of the splint 4514 connected to the first electric telescopic rod 4511 by driving the gear ring 4512. By adjusting the working position of the splint 4514, the installation of the machine tool window is facilitated.

[0033] In one embodiment of the present invention, Figure 2 , Figure 3 and Figure 7 As shown, the second window fixing member 46 may include: a plurality of second electric telescopic rods 461 and a plurality of electric-controlled suction cups 462, and the plurality of second electric telescopic rods 461 and the plurality of electric-controlled suction cups 462 correspond one to one, wherein the plurality of second electric telescopic rods 461 are respectively arranged on the mounting frame 43, and the electric-controlled suction cups 462 are arranged at the driving ends of the second electric telescopic rods 461.

[0034] It can be understood that the electric-controlled suction cup 462 described in this embodiment can suck the machine tool window.

[0035] Specifically, when conducting a corrosion resistance test on a machine tool window, relevant personnel may take out a first target window 5 to be tested and a second target window 6 to be tested, and start the second motor 452. The second motor 452 drives the synchronous belt 454 to run through the driving wheel 453. The synchronous belt 454 simultaneously drives the plurality of gear rings 4512 to rotate. The gear rings 4512 may rotate the corresponding first electric telescopic rod 4511. The first electric telescopic rod 4511 may drive the clamping plate 4514 to rotate through the rod body 4513 to make way for the installation of the first target window 5 to be tested. After placing the first target window 5 to be tested on the mounting frame 43, the clamping plate 4514 is reset, and through the retraction of the driving end of the first electric telescopic rod 4511, the plurality of clamping plates 4514 are connected by the interference with the first target window 5 to fix the first target window 5 to be tested. Relevant personnel can adjust the working position of the electric-controlled suction cup 462 through the second electric telescopic rod 461 and then adsorb the second target window 6 to be tested onto the electric-controlled suction cup 462 .

[0036] like Figure 8 As shown, when the machine tool window needs to be in a corrosion state, the horizontal drive device 31 can drive the vertical drive device 32 to move horizontally to the side of the corrosion liquid tank 2, and the third motor 33 can drive the window fixing component 4 to rotate so that the first target window 5 to be tested on the window fixing component 4 faces the corrosion liquid tank 2. The vertical drive device 32 controls the vertical movement of the window fixing component 4 through the third motor 33, and immerses the first target window 5 to be tested in the corrosion liquid tank 2 for continuous immersion corrosion, and the spray device 7 can perform sputtering corrosion on the second target window 6 to be tested.

[0037] When a knock test is required for the machine tool window, the driving component 3 rotates, vertically moves, and horizontally moves the window fixing component 4 so that the first target window 5 to be tested faces the knock test device 8. After the knock test device 8 performs a knock test on it, the first motor 42 can rotate the mounting frame 43 so that the second target window 6 to be tested faces the knock test device 8 for the knock test. It should be noted that the elastic buffer plate 44 (e.g., a flexible rubber plate) can buffer the knock force of the knock test device 8 when the window is broken to protect other windows.

[0038] In one embodiment of the present invention, Figure 2 As shown, the spray device 7 includes: a spray head 71, a pump body 72, a connecting hose 73 and a connecting pipe 74, wherein the spray head 71 is arranged on the frame 41, the pump body 72 is arranged on the workbench 1, one end of the connecting hose 73 is connected to the output end of the pump body 72, and the other end of the connecting hose 73 is connected to the spray head 71, a circulation pool 12 is opened on the workbench 1, one end of the connecting pipe 74 is connected to the circulation pool 12, and the other end of the connecting pipe 74 is connected to the input end of the pump body 72.

[0039] It can be understood that the pump body 72 described in this embodiment extracts the corrosive liquid in the circulation pool 12 through the connecting pipe 74, and introduces the corrosive liquid into the spray head 71 through the connecting hose 73, and the spray head 71 simulates the corrosion environment of the machine tool window in the sputtering environment.

[0040] In one embodiment of the present invention, Figure 2 As shown, the knocking test device 8 may include: a barrel 81, a limiting rod 82, a spring 83, a limiting slider 84, a knocking head 85, a fourth motor 86, a winding wheel 87 and a pull rope 88.

[0041] Among them, the barrel body 81 is set on the workbench 1, the limiting rod 82 is fixedly set on the inner wall of the barrel body 81, the spring 83 is sleeved on the limiting rod 82, the limiting slider 84 is slidably connected with the limiting rod 82, and the limiting slider 84 is connected to the end of the spring 83, the limiting slider 84 is fixedly connected to the knocking head 85, the fourth motor 86 is set in the barrel body 81, the winding wheel 87 is set at the driving end of the fourth motor 86, one end of the pull rope 88 is connected to the winding wheel 87, and the other end of the pull rope 88 is connected to the knocking head 85.

[0042] Specifically, the fourth motor 86 can wind the pull rope 88 through the winding wheel 87 to pull the striking head 85 to move in the barrel body 81, and the striking head 85 can drive the limiting slider 84 to slide on the limiting rod 82. After the brake of the fourth motor 86 is closed, the elastic force of the spring 83 can push the limiting slider 84 to slide on the limiting rod 82, so that the striking head 85 hits the machine tool window.

[0043] In one embodiment of the present invention, Figure 1 and 2 As shown, it may also include: a waste box 9 and two side baffles 10, wherein a recovery groove 11 is opened on the workbench 1, the waste box 9 is slidably connected to the recovery groove 11, and the two side baffles 10 are symmetrically arranged on the upper part of the workbench 1 with the central axis of the recovery groove 11 as the symmetry axis.

[0044] It should be noted that a reduction gearbox is provided on the driving end of the motors mentioned in the above embodiments (for example, the first motor 42, the second motor 452, the third motor 33, the fourth motor 86, the driving motor, etc.), the driving end of the motor is connected to the input end of the reduction gearbox, and the output end of the reduction gearbox constitutes the driving end of the motor. The speed of the motor output is adjusted by the reduction gearbox, and the motor is equipped with a brake, which can quickly stop the motor from running.

[0045] In summary, a CNC machine tool window corrosion resistance testing device according to an embodiment of the present invention can detect windows affected by different corrosion environments to obtain more comprehensive corrosion resistance data.

[0046] In the description of this specification, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0047] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0048] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A CNC machine tool window corrosion resistance testing device, characterized in that: include: A workbench (1), wherein a corrosion liquid tank (2) is provided on the workbench (1); A driving component (3), the driving component (3) being arranged on the workbench (1), and the driving component (3) being provided with a window fixing component (4), the window fixing component (4) being detachably provided with a first target window to be tested (5) and a second target window to be tested (6), the driving component (3) being used for driving the window fixing component (4) to move so that the first target window to be tested (5) is immersed in the etching liquid tank (2); A spray device (7), the spray device (7) being arranged on the window fixing assembly (4), the spray device (7) being used to spray a corrosive liquid on the second target window to be tested; A knock test device (8), the knock test device (8) is arranged on the workbench (1) and is used to perform a knock test on a first target window to be tested or a second target window to be tested.

2. The CNC machine tool window corrosion resistance testing device according to claim 1, characterized in that The window fixing assembly (4) comprises: a frame (41), a first motor (42), a mounting frame (43), an elastic buffer plate (44), a first window fixing member (45) and a second window fixing member (46), wherein: The frame (41) is arranged on the driving assembly (3), the first motor (42) is arranged on the frame (41), the mounting frame (43) is arranged at the driving end of the first motor (42), the elastic buffer plate (44), the first window fixing member (45) and the second window fixing member (46) are respectively arranged on the mounting frame (43), and the elastic buffer plate (44) is arranged between the first window fixing member (45) and the second window fixing member (46).

3. The CNC machine tool window corrosion resistance testing device according to claim 2, characterized in that: The first window fixing member (45) comprises: a plurality of clamping assemblies (451), a second motor (452), a driving wheel (453), a synchronous toothed belt (454) and a plurality of supporting wheels (455), wherein the plurality of clamping assemblies (451) are respectively arranged on the mounting frame (43), the second motor (452) is arranged on the inner wall of the mounting frame (43), the driving wheel (453) is arranged at the driving end of the second motor (452), the plurality of supporting wheels (455) are respectively arranged on the inner wall of the mounting frame (43), the synchronous toothed belt (454) is respectively meshed with the driving wheel (453) and the plurality of supporting wheels (455), and the synchronous toothed belt (454) is connected to the plurality of clamping assemblies (451).

4. The CNC machine tool window corrosion resistance testing device according to claim 3, characterized in that The clamping assembly (451) comprises: a first electric telescopic rod (4511), a gear ring (4512), a rod body (4513) and a clamping plate (4514), wherein the first electric telescopic rod (4511) is rotatably arranged on the mounting frame (43) through a bearing seat, the gear ring (4512) is arranged on the first electric telescopic rod (4511), and the gear ring (4512) is meshed with the synchronous toothed belt (454), one end of the rod body (4513) is arranged at the telescopic end of the first electric telescopic rod (4511), and the clamping plate (4514) is arranged on the other end of the rod body (4513).

5. The CNC machine tool window corrosion resistance testing device according to claim 2, characterized in that: The second window fixing member (46) comprises: a plurality of second electric telescopic rods (461) and a plurality of electric-controlled suction cups (462), wherein the plurality of second electric telescopic rods (461) and the plurality of electric-controlled suction cups (462) correspond one to one, wherein the plurality of second electric telescopic rods (461) are respectively arranged on the mounting frame (43), and the electric-controlled suction cups (462) are arranged at the driving ends of the second electric telescopic rods (461).

6. The CNC machine tool window corrosion resistance testing device according to claim 2, characterized in that: The driving assembly (3) comprises: a horizontal driving device (31), a vertical driving device (32) and a third motor (33), wherein the horizontal driving device (31) is arranged on the workbench (1), the vertical driving device (32) is arranged on the horizontal driving device (31), and the third motor (33) is arranged on the vertical driving device (32), wherein the frame (41) is connected to the driving end of the third motor (33).

7. The CNC machine tool window corrosion resistance testing device according to claim 1, characterized in that The spray device (7) comprises: a spray head (71), a pump body (72), a connecting hose (73) and a connecting pipe (74), wherein the spray head (71) is arranged on a frame body (41), the pump body (72) is arranged on the workbench (1), one end of the connecting hose (73) is connected to the output end of the pump body (72), and the other end of the connecting hose (73) is connected to the spray head (71), a circulation pool (12) is provided on the workbench (1), one end of the connecting pipe (74) is connected to the circulation pool (12), and the other end of the connecting pipe (74) is connected to the input end of the pump body (72).

8. The CNC machine tool window corrosion resistance testing device according to claim 1, characterized in that The knocking test device (8) comprises: a barrel (81), a limit rod (82), a spring (83), a limit slider (84), a knocking head (85), a fourth motor (86), a winding wheel (87) and a pull rope (88), wherein the barrel (81) is arranged on the workbench (1), the limit rod (82) is fixedly arranged on the inner wall of the barrel (81), the spring (83) is sleeved on the limit rod (82), and the limit slider (84) is connected to the The limiting rod (82) is slidably connected, and the limiting slider (84) is connected to the end of the spring (83), the limiting slider (84) is fixedly connected to the knocking head (85), the fourth motor (86) is arranged in the barrel body (81), the winding wheel (87) is arranged at the driving end of the fourth motor (86), one end of the pull rope (88) is connected to the winding wheel (87), and the other end of the pull rope (88) is connected to the knocking head (85).

9. The CNC machine tool window corrosion resistance testing device according to claim 1, characterized in that , further comprising: a waste box (9) and two side baffles (10), wherein a recovery groove (11) is provided on the workbench (1), the waste box (9) is slidably connected to the recovery groove (11), and the two side baffles (10) are symmetrically arranged on the upper part of the workbench (1) with the central axis of the recovery groove (11) as the symmetry axis.

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