Protective device for automatic tool setting gauge

Abstract

The utility model discloses an automatic tool setting gauge protective device which comprises a tool setting gauge, an upper fixed protective cover, a rotary protective cover, a sliding protective cover, a lower fixed protective cover, a fixed support and an air cylinder linear guide rail mechanism. The rotary protective cover can rotate on the fixed support and above the tool setting gauge, the rotary protective cover and the upper fixed protective cover form an opening and closing state while rotating, the tool setting gauge is exposed when the rotary protective cover and the upper fixed protective cover are in an opening state, and the tool setting gauge is hidden when the rotary protective cover and the upper fixed protective cover are in a closing state; the sliding protective cover is hinged to the end, away from the tool setting gauge, of the rotary protective cover, the sliding protective cover is installed on the air cylinder linear guide rail mechanism and reciprocates up and down along the air cylinder linear guide rail mechanism, and the sliding protective cover drives the rotary protective cover to rotate while reciprocates up and down. The tool setting gauge can be effectively protected.

Description

Technical Field

[0001] The utility model belongs to the technical field of machine tool protection, and in particular relates to an automatic tool setting instrument protection device. Background Art

[0002] During the machine tool processing, the continuous friction and cutting between the tool and the workpiece will cause tool wear, thus affecting the processing accuracy. In order to ensure the processing accuracy, regular inspection and calibration of the tool is a necessary step.

[0003] In existing machine tools, some tool setters do not have adequate protection measures. For example, some of Mazak's machine tools only clean the tool setter by blowing air during inspection. The tool setter and the tool head are cleaned by blowing air. In the actual processing process, the use of cutting fluid will produce splashing chips, and the water in the cutting fluid will become sticky after evaporation, which will adhere the small chips to the surface of the tool setter. Since these chips cannot be completely removed by blowing air alone, the tool setting accuracy is affected, and ultimately the processing accuracy is affected. In addition, some processing processes do not allow the use of cutting fluid, resulting in splashing high-temperature chips that may damage the tool setter pipeline and damage the tool setter components in the long run.

[0004] In response to this, some machine tools have taken protective measures for tool setting instruments. When in use, the protective cover is opened, and then the tool setting instrument is pushed out to perform tool setting operations. However, most tool setting instruments are pushed out by cylinders, and the movement of the cylinders is affected by air pressure. Under high pressure, the response speed is fast but vibration may occur; under low pressure, the speed is slow and may not be accurate, affecting the tool setting accuracy. Therefore, it is necessary to develop a new type of automatic tool setting instrument protection device. Summary of the invention

[0005] The purpose of the utility model is to solve the problems of the prior art and to provide an automatic tool setting instrument protection device, which has a simple structure and low requirements on signal detection accuracy during movement, can effectively protect the tool setting instrument, improve tool setting accuracy and extend service life.

[0006] In order to solve the technical problem, the technical solution of the utility model is: an automatic tool setting instrument protection device, including a tool setting instrument, an upper fixed protective cover, a rotating protective cover, a sliding protective cover, a lower fixed protective cover, a fixed bracket and a cylinder linear guide mechanism, the tool setting instrument is installed on one side of the top of the fixed bracket, the upper fixed protective cover is fixed on the fixed bracket and below the tool setting instrument, the rotating protective cover can be rotated on the fixed bracket and above the tool setting instrument, the rotating protective cover forms an open and closed state with the upper fixed protective cover while performing a rotating motion, the tool setting instrument is exposed when the rotating protective cover and the upper fixed protective cover are in an open state, and the tool setting instrument is hidden when the rotating protective cover and the upper fixed protective cover are in a closed state;

[0007] The sliding protective cover is connected to the end of the rotating protective cover away from the tool setting instrument by a hinge, the sliding protective cover is installed on the cylinder linear guide mechanism and reciprocates up and down along the cylinder linear guide mechanism, the cylinder linear guide mechanism is fixed on the fixed bracket, and the sliding protective cover reciprocates up and down while driving the rotating protective cover to rotate;

[0008] A lower fixed protective cover is arranged at the bottom of one side of the fixed bracket on which the cylinder linear guide mechanism is arranged, and the sliding protective cover can make up and down reciprocating motions in the lower fixed protective cover along the cylinder linear guide mechanism.

[0009] Preferably, it also includes a cleaning air blow nozzle, which is arranged on the top of the fixed bracket. The cleaning air blow nozzle is located in a combined protective cover composed of an upper fixed protective cover and a rotating protective cover. The blowing direction of the cleaning air blow nozzle is the tool setting point of the tool setting instrument, and the cleaning air blow nozzle has an independent air supply.

[0010] Preferably, the cross-sectional shape of the upper fixed protective cover is a right triangle, one side of the right angle of the upper fixed protective cover is fixed on the fixed bracket, the other side of the right angle of the upper fixed protective cover is close to the bottom of the tool setting instrument, and the upper fixed protective cover is open at the top and closed at the bottom.

[0011] Preferably, the rotating protective cover is installed on the fixed bracket through the first pin shaft, the cross-sectional shape of the rotating protective cover is fan-shaped, the end of the rotating protective cover close to the upper fixed protective cover is open, the fan-shaped radius of the rotating protective cover is equal to the maximum size of the top end of the upper fixed protective cover, and the opening size of the rotating protective cover corresponds to the opening size of the upper fixed protective cover.

[0012] Preferably, the cylinder linear guide mechanism includes a telescopic cylinder and a linear guide, the telescopic cylinder and the linear guide are fixed on a fixed bracket, and the sliding protective cover is arranged on the linear guide; the telescopic cylinder drives the sliding protective cover to reciprocate up and down along the linear guide, and the linear guide is arranged from the top of the fixed bracket to the bottom of the fixed bracket.

[0013] Preferably, the sliding protective cover is connected to the rotating protective cover via a second pin shaft, and the sliding protective cover is arranged on the fixed bracket opposite to the upper fixed protective cover.

[0014] Preferably, the cylinder linear guide mechanism is also provided with an upper position sensor, and the upper position sensor is used to detect the position of the telescopic cylinder piston.

[0015] Preferably, a buffer fixing plate is also provided below the fixed bracket, and the buffer fixing plate is provided with a buffer and a lower position sensor. The fixed protective cover below is used to protect the buffer and the lower position sensor. The buffer is used to provide buffering support when the sliding protective cover slides down to the buffer fixing plate, and the lower position sensor is used to detect the position of the cylinder rod.

[0016] Preferably, it also includes a triangular connecting bracket, which is a right-angled triangle connecting bracket, the fixed bracket is provided with a bracket connecting hole, one side of the triangular connecting bracket is connected to the fixed bracket through the bracket connecting hole, and a corner of the triangular connecting bracket away from the fixed bracket is connected to the machine tool worktable through a fixing piece.

[0017] It also includes a machine tool system, which obtains signals transmitted by an upper position sensor and a lower position sensor to determine whether the tool setting instrument is working properly.

[0018] Compared with the prior art, the advantages of the utility model are:

[0019] (1) The utility model provides an automatic tool setting instrument protection device that isolates the tool setting instrument components from cutting fluid and chips, thereby preventing the cutting fluid and chips from contacting the tool setting instrument and protecting the tool setting instrument components. At the same time, during the tool setting process, there will be no foreign matter on the tool setting instrument surface that affects the tool setting accuracy.

[0020] (2) The utility model provides an automatic tool setting instrument protection device with a cylinder linear guide mechanism, which uses a cylinder to push a sliding protective cover, thereby driving the rotating protective cover to rotate. During this process, the tool setting instrument is rigidly connected to the machine tool component, and the tool setting instrument is fixed, thereby improving the measurement accuracy of the tool setting instrument;

[0021] (3) The rotating protective cover of the automatic tool setting instrument protective device of the utility model is a fan-shaped arc surface, which is conducive to chip removal and effectively prevents cutting fluid and chips from accumulating and entering the tool setting instrument protective cover, thereby protecting the tool setting instrument components;

[0022] (4) The utility model discloses an automatic tool setting instrument protection device. All pipelines of the tool setting instrument are protected inside a protective cover composed of a fixed protective cover at the bottom, a sliding protective cover, and a fixed protective cover and a rotating protective cover at the top, so as to prevent high-temperature chips from damaging pipelines and other plastic parts during machine tool processing;

[0023] (5) In the process of exposing or hiding the tool setting instrument in the automatic tool setting instrument protection device of the utility model, the rotating protective cover rotates around the first pin shaft and forms an open and closed state with the upper fixed protective cover. Only the rotating protective cover moves to expose or hide the tool setting instrument. This has low requirements on the signal detection accuracy during the movement, simple structure, significantly reduced use cost and installation difficulty, and extended the service life of the tool setting instrument. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 , a schematic diagram of the overall structure of an automatic tool setting instrument protection device of the utility model;

[0025] Figure 2 , a schematic diagram of the partial structure of an automatic tool setting instrument protection device of the utility model;

[0026] Figure 3 , a schematic diagram of the internal structure of a sliding protective cover and a lower fixed protective cover of an automatic tool setting instrument protective device of the utility model;

[0027] Figure 4 , a schematic diagram of the closed state structure of a protective device of an automatic tool setting instrument of the utility model;

[0028] Figure 5 , a schematic diagram of the structure of the opening process of the automatic tool setting instrument protection device of the utility model;

[0029] Figure 6 , a schematic diagram of the structure of an automatic tool setting instrument protective device in an open state according to the utility model.

[0030] Description of reference numerals:

[0031] 1. Tool setting instrument, 2. Upper fixed protective cover, 3. Rotating protective cover, 4. Sliding protective cover, 5. Lower fixed protective cover, 6. Fixed bracket, 6-1. Bracket connecting hole, 7. Cylinder linear guide mechanism, 7-1. Telescopic cylinder, 7-2. Linear guide, 8. Triangular connecting bracket, 9. Machine tool worktable, 10. First pin shaft, 11. Buffer fixing plate, 11-1. Buffer, 11-2. Lower position sensor, 12. Upper position sensor; 13. Cleaning air blowing nozzle, 14. Second pin shaft. DETAILED DESCRIPTION

[0032] The specific implementation mode of the present invention is described below in conjunction with embodiments:

[0033] It should be noted that the structures, proportions, sizes, etc. shown in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which the present invention can be implemented. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical contents disclosed in this utility model without affecting the effects and purposes that can be achieved by the present invention.

[0034] like Figure 1-6As shown, the utility model designs an automatic tool setting instrument protection device, including a tool setting instrument 1, an upper fixed protective cover 2, a rotating protective cover 3, a sliding protective cover 4, a lower fixed protective cover 5, a fixed bracket 6 and a cylinder linear guide mechanism 7, wherein the tool setting instrument 1 is installed on one side of the top of the fixed bracket 6, the upper fixed protective cover 2 is fixed on the fixed bracket 6 and is below the tool setting instrument 1, the rotating protective cover 3 can be rotated on the fixed bracket 6 and is above the tool setting instrument 1, and the rotating protective cover 3 forms an open and closed state with the upper fixed protective cover 2 while performing a rotating motion, and the tool setting instrument 1 is exposed when the rotating protective cover 3 and the upper fixed protective cover 2 are in an open state, and the tool setting instrument 1 is hidden when the rotating protective cover 3 and the upper fixed protective cover 2 are in a closed state;

[0035] The utility model isolates the tool setting instrument components from the cutting fluid and the chips, thereby preventing the cutting fluid and the chips from contacting the tool setting instrument and protecting the tool setting instrument components. Meanwhile, during the tool setting process, there will be no foreign matter on the surface of the tool setting instrument to affect the tool setting accuracy.

[0036] The sliding protective cover 4 is connected to the end of the rotating protective cover 3 away from the tool setting instrument 1 through a hinge, and the sliding protective cover 4 is installed on the cylinder linear guide mechanism 7 and reciprocates up and down along the cylinder linear guide mechanism 7. The cylinder linear guide mechanism 7 is fixed on the fixed bracket 6. The sliding protective cover 4 reciprocates up and down while driving the rotating protective cover 3 to rotate;

[0037] The rotating protective cover rotates around the first pin shaft and forms an open and closed state with the upper fixed protective cover. The sliding protective cover applies up and down force to the rotating protective cover through the second pin shaft. The rotating protective cover rotates around the first pin shaft under the constraints of the up and down force and the first pin shaft.

[0038] The sliding protective cover drives the rotating protective cover to rotate via the second pin shaft.

[0039] During the process of exposing and hiding the tool setting instrument of the utility model, the rotating protective cover and the sliding protective cover are moving, while the tool setting instrument is rigidly connected to the machine tool component and no moving operation is performed, so the tool setting accuracy is high.

[0040] A lower fixed protective cover 5 is provided at the bottom of one side of the fixed bracket 6 where the cylinder linear guide mechanism 7 is provided, and the sliding protective cover 4 can make up and down reciprocating motion along the cylinder linear guide mechanism 7 through the lower fixed protective cover 5 .

[0041] The sliding protection cover can be moved along the cylinder linear guide mechanism from the top of the fixed bracket to the bottom of the fixed bracket.

[0042] Example 1

[0043] like Figure 6As shown, it also includes a cleaning air blow nozzle 13, which is arranged on the top of the fixed bracket 6. The cleaning air blow nozzle 13 is located in a combined protective cover composed of an upper fixed protective cover 2 and a rotating protective cover 3. The blowing direction of the cleaning air blow nozzle 13 is the tool setting point of the tool setting instrument 1, and the cleaning air blow nozzle 13 is an independent air supply.

[0044] The cleaning air blow nozzle is used to remove chips and debris from the cutting area. During the machining process, the tool will produce chips and debris when cutting the workpiece. The cleaning air blow nozzle can blow away the chips and debris from the tool and workpiece area by jetting air to prevent them from affecting the measurement accuracy of the tool setting instrument; maintain a clear field of view, which is crucial for accurately detecting the tool position and performing precise tool setting; prevent contamination of the tool surface. Oil or other contaminants may be generated during the cutting process, and these substances may adhere to the tool surface. The cleaning air blow nozzle can prevent these contaminants from adhering to the tool surface by blowing air, maintain the clean state of the tool, and help improve the life and performance of the tool; improve measurement accuracy. The tool setting instrument realizes automated tool setting by measuring the position of the tool relative to the workpiece. The cleaning air blow nozzle ensures the cleanliness of the tool and workpiece surface during measurement, thereby improving the accuracy and precision of tool setting measurement, helping to ensure the accuracy of tool setting and improve the efficiency and quality of the machining process.

[0045] Preferably, the cross-sectional shape of the upper fixed protective cover 2 is a right triangle, one side of the right angle of the upper fixed protective cover 2 is fixed on the fixed bracket 6, and the other side of the right angle of the upper fixed protective cover 2 is close to the bottom of the tool setting instrument 1, and the upper fixed protective cover 2 is open at the top and closed at the bottom.

[0046] The upper fixed protective cover is arranged on the fixed bracket around the tool setting instrument.

[0047] Preferably, the rotating protective cover 3 is installed on the fixed bracket 6 through the first pin shaft 10, the cross-sectional shape of the rotating protective cover 3 is fan-shaped, the end of the rotating protective cover 3 close to the upper fixed protective cover 2 is open, the fan-shaped radius of the rotating protective cover 3 is equal to the maximum size of the top end of the upper fixed protective cover 2, and the opening size of the rotating protective cover 3 corresponds to the opening size of the upper fixed protective cover 2.

[0048] The rotating protective cover is an arc-shaped cover. The upper fixed protective cover and the rotating protective cover jointly cover the tool setting instrument. All pipelines of the tool setting instrument are protected inside the protective cover composed of the lower fixed protective cover, the sliding protective cover, and the upper fixed protective cover and the rotating protective cover to prevent high-temperature chips from damaging the pipelines and other plastic parts during machine tool processing.

[0049] Preferably, the cylinder linear guide mechanism 7 includes a telescopic cylinder 7-1 and a linear guide 7-2, the telescopic cylinder 7-1 and the linear guide 7-2 are fixed on the fixed bracket 6, and the sliding protective cover 4 is arranged on the linear guide 7-2; the telescopic cylinder 7-1 drives the sliding protective cover 4 to reciprocate up and down along the linear guide 7-2; the linear guide 7-2 is arranged from the top of the fixed bracket 6 to the bottom of the fixed bracket 6.

[0050] The linear guide extends from the top of the fixed bracket to the bottom of the fixed bracket, mainly for the movement of the sliding protective cover from the lowest end to the highest end. The protection area of ​​the lower fixed protective cover is below the bracket. The lower fixed protective cover allows the sliding protective cover to slide up and down therein, which can be formulated according to needs.

[0051] Preferably, the sliding protective cover 4 is connected to the rotating protective cover 3 via a second pin shaft 14 , and the sliding protective cover 4 is arranged on the fixed bracket 6 opposite to the upper fixed protective cover 2 .

[0052] Preferably, the cylinder linear guide mechanism 7 is also provided with an upper position sensor 12, and the upper position sensor 12 is used to detect the piston position of the telescopic cylinder 7-1.

[0053] The upper position sensor is fixedly installed in the mounting groove outside the cylinder. When the rotating protective cover is in a closed state, the upper position sensor is used to detect the position of the cylinder piston for positioning installation.

[0054] Preferably, a buffer fixing plate 11 is also arranged below the fixed bracket 6, and the buffer fixing plate 11 is provided with a buffer 11-1 and a lower position sensor 11-2. The lower fixed protective cover 5 is used to protect the buffer 11-1 and the lower position sensor 11-2. The buffer 11-1 is used to provide buffering support when the sliding protective cover 4 slides down to the buffer fixing plate 11, and the lower position sensor 11-2 is used to detect the position of the cylinder rod.

[0055] The lower position sensor is fixedly installed on the buffer fixing plate. When the rotating protective cover is in the open state, the sensor height is adjusted to detect the position of the cylinder rod for positioning installation.

[0056] Example 2

[0057] Preferably, it also includes a triangular connecting bracket 8, which is a right-angled triangle connecting bracket, and the fixed bracket 6 is provided with a bracket connecting hole 6-1, one side of the triangular connecting bracket 8 is connected to the fixed bracket 6 through the bracket connecting hole 6-1, and a corner of the triangular connecting bracket 8 away from the fixed bracket 6 is connected to the machine tool worktable 9 through a fixing part.

[0058] The tool setting probe is stationary relative to the machine tool table.

[0059] like Figure 6The figure shows a schematic diagram of the structure of the open state of an automatic tool setting instrument protection device of the utility model. During the process of exposing or hiding the tool setting instrument of the automatic tool setting instrument protection device of the utility model, the rotating protective cover rotates around the first pin shaft and forms an open and closed state with the upper fixed protective cover. Only the rotating protective cover moves to expose or hide the tool setting instrument, which has low requirements on the signal detection accuracy during the movement, simple structure, significantly reduces the use cost and installation difficulty, and prolongs the service life of the tool setting instrument.

[0060] Example 3

[0061] It also includes a machine tool system, which obtains signals transmitted by the upper position sensor 12 and the lower position sensor 11-2 to determine the tool setting operation of the tool setting instrument 1.

[0062] The working principle of the utility model is as follows:

[0063] When the tool setting instrument is needed, the clean air nozzle is ventilated for blowing, air is taken in from the top of the telescopic cylinder, the piston rod is pushed out, and the sliding protective cover is driven to move downward along the linear guide rail. The sliding protective cover applies a downward force to the rotating protective cover through the second pin shaft, and the rotating protective cover rotates around the first pin shaft connected to the fixed bracket. As the rotating protective cover rotates, the tool setting instrument is exposed. When the piston rod of the telescopic cylinder moves down to the position of the lower position sensor and detects a signal, the signal is transmitted to the machine tool system. At this time, when the tool setting instrument is fully exposed, the sliding protective cover slides down into place, the buffer provides support, the air intake on the telescopic cylinder stops, and the machine tool performs tool setting operation. When the tool setting is completed, the cleaning air nozzle stops blowing, and then the tool setting instrument protective cover closes, air is taken in from under the telescopic cylinder, and the cylinder piston rod moves upward, driving the sliding protective cover to move upward, and the sliding protective cover applies an upward force to the rotating protective cover through the second pin shaft, and the rotating protective cover rotates around the first pin shaft connected to the fixed bracket. As the rotating protective cover rotates, the tool setting instrument is gradually covered and hidden. When the upper position sensor detects the piston, the sliding protective cover moves up and into place, and the rotating protective cover rotates into place. The upper position sensor transmits information to the machine tool system, and the air intake under the cylinder stops. The tool setting instrument is completely hidden, and the tool setting work is completed.

[0064] The preferred embodiments of the present invention are described in detail above, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in this field without departing from the purpose of the present invention.

[0065] Many other changes and modifications may be made without departing from the concept and scope of the present invention.It should be understood that the present invention is not limited to the specific embodiments, and the scope of the present invention is defined by the appended claims.

Claims

1. An automatic tool setting instrument protection device, characterized in that: The invention comprises a tool setting instrument (1), an upper fixed protective cover (2), a rotating protective cover (3), a sliding protective cover (4), a lower fixed protective cover (5), a fixed bracket (6) and a cylinder linear guide mechanism (7), wherein the tool setting instrument (1) is mounted on one side of the top of the fixed bracket (6), the upper fixed protective cover (2) is fixed on the fixed bracket (6) and is below the tool setting instrument (1), the rotating protective cover (3) can be rotated on the fixed bracket (6) and is above the tool setting instrument (1), and the rotating protective cover (3) forms an open and closed state with the upper fixed protective cover (2) while performing a rotating motion, and the tool setting instrument (1) is exposed when the rotating protective cover (3) and the upper fixed protective cover (2) are in an open state, and the tool setting instrument (1) is hidden when the rotating protective cover (3) and the upper fixed protective cover (2) are in a closed state; The sliding protective cover (4) is hingedly connected to an end of the rotating protective cover (3) away from the tool setting instrument (1); the sliding protective cover (4) is mounted on a cylinder linear guide mechanism (7) and performs up and down reciprocating motion along the cylinder linear guide mechanism (7); the cylinder linear guide mechanism (7) is fixed on a fixed bracket (6); the sliding protective cover (4) performs up and down reciprocating motion while driving the rotating protective cover (3) to rotate; A lower fixed protective cover (5) is arranged at the bottom of one side of the fixed bracket (6) on which the cylinder linear guide mechanism (7) is arranged.

2. The automatic tool setting instrument protection device according to claim 1 is characterized in that: It also includes a cleaning air blowing nozzle (13), the cleaning air blowing nozzle (13) is arranged on the top of the fixed bracket (6), the cleaning air blowing nozzle (13) is located in a combined protective cover composed of an upper fixed protective cover (2) and a rotating protective cover (3), the blowing direction of the cleaning air blowing nozzle (13) is the tool setting point of the tool setting instrument (1), and the cleaning air blowing nozzle (13) is an independent air supply.

3. The automatic tool setting instrument protection device according to claim 1 is characterized in that: The cross-sectional shape of the upper fixed protective cover (2) is a right triangle, one side of the right angle of the upper fixed protective cover (2) is fixed on the fixed bracket (6), the other side of the right angle of the upper fixed protective cover (2) is close to the bottom of the tool setting instrument (1), and the upper fixed protective cover (2) is open at the top and closed at the bottom.

4. The automatic tool setting instrument protection device according to claim 1 is characterized in that: The rotating protective cover (3) is mounted on the fixed bracket (6) via a first pin shaft (10); the cross-sectional shape of the rotating protective cover (3) is a sector shape; one end of the rotating protective cover (3) close to the upper fixed protective cover (2) is an opening; the sector radius of the rotating protective cover (3) is equal to the maximum size of the top end of the upper fixed protective cover (2); and the size of the opening of the rotating protective cover (3) corresponds to the size of the opening of the upper fixed protective cover (2).

5. The automatic tool setting instrument protection device according to claim 1 is characterized in that: The cylinder linear guide mechanism (7) comprises a telescopic cylinder (7-1) and a linear guide (7-2); the telescopic cylinder (7-1) and the linear guide (7-2) are fixed on a fixed bracket (6); a sliding protective cover (4) is arranged on the linear guide (7-2); the telescopic cylinder (7-1) drives the sliding protective cover (4) to reciprocate up and down along the linear guide (7-2); and the linear guide (7-2) is arranged from the top of the fixed bracket (6) to the bottom of the fixed bracket (6).

6. The automatic tool setting instrument protection device according to claim 1 is characterized in that: The sliding protective cover (4) is connected to the rotating protective cover (3) via a second pin shaft (14); the sliding protective cover (4) is arranged on the fixed bracket (6) opposite to the upper fixed protective cover (2).

7. The automatic tool setting instrument protection device according to claim 1 is characterized in that: The cylinder linear guide mechanism (7) is also provided with an upper position sensor (12), and the upper position sensor (12) is used to detect the position of the cylinder piston.

8. The automatic tool setting instrument protection device according to claim 1 is characterized in that: A buffer fixing plate (11) is also provided below the fixed bracket (6), the buffer fixing plate (11) being provided with a buffer (11-1) and a lower position sensor (11-2), the lower fixed protective cover (5) being used to protect the buffer (11-1) and the lower position sensor (11-2), the buffer (11-1) being used to provide buffering support when the sliding protective cover (4) slides down to the buffer fixing plate (11), and the lower position sensor (11-2) being used to detect the position of the cylinder rod.

9. The automatic tool setting instrument protection device according to claim 1, characterized in that: It also includes a triangular connecting bracket (8), the triangular connecting bracket (8) being a right-angled triangular connecting bracket, the fixed bracket (6) being provided with a bracket connecting hole (6-1), one side of the triangular connecting bracket (8) being connected to the fixed bracket (6) via the bracket connecting hole (6-1), and a corner of the triangular connecting bracket (8) away from the fixed bracket (6) being connected to a machine tool workbench (9) via a fixing piece.

10. The automatic tool setting instrument protection device according to claim 1, characterized in that: It also includes a machine tool system, which obtains signals transmitted by the upper position sensor (12) and the lower position sensor (11-2) to determine whether the tool setting instrument (1) is working properly.

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