Polishing tool, control method thereof and method for forming polishing tool

Abstract

The invention provides a polishing tool, a control method thereof and a method for forming the polishing tool, and relates to the technical field of beauty instruments. The polishing tool comprises a driving structure, a polishing head, a protection piece, an adjusting piece and a detection piece. The polishing head is connected with the driving structure and is driven by the driving structure to rotate, the protection part comprises a containing cavity, and the polishing head extends in the containing cavity. The adjusting part is connected with the driving structure and used for controlling movement of the driving structure based on the thickness of the to-be-polished object so as to adjust the length of the end, away from the driving structure, of the polishing head extending out of the containing cavity in the rotating axis direction of the polishing head. The detection part is arranged on the protection part and used for sending a stop signal to the driving structure when it is detected that the protection part makes contact with the to-be-polished object, so that the driving structure controls the polishing head to stop rotating.

Description

Technical Field

[0001] The present disclosure relates to the technical field of beauty instruments, and in particular to a grinding tool, a control method thereof, and a method for forming the grinding tool. Background Art

[0002] Light-curing adhesive is widely used in the nail art industry. Once cured, it requires polishing with a nail polishing tool for effective removal. However, current nail polishing tools rely on manual operation, and manual control of the polishing depth relies on the manicurist's experience. This can easily lead to over-polishing, which can damage the nails. Furthermore, errors during the polishing process can cause the polishing head to injure the nails or skin. Summary of the Invention

[0003] The embodiments of the present disclosure provide a polishing tool and a control method thereof, as well as a method for forming the polishing tool, so as to reduce damage to nails caused by the polishing process.

[0004] In a first aspect, an embodiment of the present disclosure proposes a grinding tool, comprising a drive structure, a grinding head, a protective member, an adjusting member, and a detecting member. The grinding head is connected to the drive structure and rotates under the drive of the drive structure. The protective member includes a accommodating chamber, and the grinding head extends within the accommodating chamber. The adjusting member is connected to the drive structure, and is used to control the movement of the drive structure based on the thickness of the object to be ground, so as to adjust the length of the accommodating chamber extended from one end of the grinding head away from the drive structure in the direction of the rotation axis of the grinding head. The detecting member is provided on the protective member, and is used to send a stop signal to the driving structure when it detects that the protective member is in contact with the object to be ground, so that the driving structure controls the grinding head to stop rotating.

[0005] In some embodiments, the grinding tool further includes a mounting plate having a positioning slot extending along the rotational axis of the grinding head. The driving structure is slidably disposed in the positioning slot and moves along the positioning slot under the control of the adjusting member. The protective member is fixed to an end of the mounting plate along the rotational axis of the grinding head.

[0006] In some embodiments, the protective member includes a first stopper, a second stopper, and a protective portion. The first stopper extends in a direction perpendicular to the rotation axis of the grinding head and has a first opening. The second stopper is fixed to the mounting plate and fixedly connected to the first stopper, with the second stopper extending in a direction perpendicular to the direction of extension of the first stopper. The protective portion is fixed to the side of the first stopper away from the drive structure and has a receiving cavity that is adapted to fit the first opening and is coaxially arranged with the grinding head.

[0007] In some embodiments, the protective portion includes a protective sleeve and a fixing portion. The protective sleeve is disposed through the first opening and includes a first portion and a second portion, wherein the first portion is located on a side of the first stopper closer to the drive structure, and the second portion is located on a side of the first stopper farther from the drive structure. The fixing portion is located on a side of the first portion closer to the drive structure and is fixedly connected to the first portion and the first stopper.

[0008] In some embodiments, the detection member is a pressure sensor, wherein the pressure sensor is located on a side of the fixing portion close to the first limiting member; or, the pressure sensor is located at an end of the second portion away from the driving structure.

[0009] In some embodiments, the drive structure includes a first fixing member, a second fixing member, and a driving member. The first fixing member is slidably disposed in a positioning slot, and the second fixing member is vertically fixed to the first fixing member and has a second opening. The driving member is connected to the grinding head, passes through the second opening, and is fixed to the second fixing member. When grinding an object to be polished, a portion of the driving member proximate the grinding head extends through the first opening into the receiving chamber.

[0010] In some embodiments, the drive member includes a first housing, a first motor, and a spindle. The first housing is fixed to the second fixing member and extends through the second opening in the direction of the rotation axis of the grinding head. The first motor is fixedly disposed within the first housing. The spindle is located within the first housing and is connected to the first motor and the grinding head, respectively. The axis of the spindle extends in the direction of the rotation axis of the grinding head.

[0011] In some embodiments, the grinding tool further includes a second motor, a first transmission structure, a second transmission structure, a replacement structure, and a second shell. The second motor is fixed on the second fixing member. The first transmission structure is connected to the second motor, is located on the side of the second fixing member close to the protective member, and rotates under the drive of the second motor. The second transmission structure is transmission-connected to the first transmission structure, and is sleeved on the first shell, so that the end of the first shell is exposed. One end of the replacement structure close to the first motor is limited and fixed in the first shell, and the other end is connected to the main shaft. When the first transmission structure rotates, the replacement structure moves relative to the main shaft. The second shell contacts the side of the second transmission structure away from the first motor and is fixed to the exposed end of the first shell.

[0012] In some embodiments, the second transmission structure includes a gear and a housing. The gear is mounted on the first housing and is in transmission connection with the first transmission structure. The housing is fixed to the end of the gear away from the first motor, is mounted on the first housing, and has a spiral groove structure.

[0013] In some embodiments, the replacement part structure includes a first mounting part, a second mounting part, a spring, and a third mounting part. The first mounting part has a mounting hole, is located in the first shell, and is slidably mounted on a linear groove included in the first shell, and the linear groove extends in the direction of the rotation axis of the grinding head. The second mounting part is installed in the mounting hole and is slidable relative to the spiral groove structure. One end of the spring is fixed in the first shell, and the other end is connected to the first mounting part. The third mounting part is connected to the main shaft and has a circular sleeve at one end close to the main shaft, wherein, during the process of replacing the grinding head, the third mounting part is arranged in contact with the first mounting part, and after the replacement of the grinding head is completed, the third mounting part and the first mounting part are arranged in a gap.

[0014] In some embodiments, the grinding tool further includes an elastic protective member, wherein the adjusting member is connected to the first fixing member via the elastic protective member, and is configured to retract the grinding head into the accommodating cavity when the force applied to the grinding head exceeds a set value.

[0015] In some embodiments, the elastic protective member includes a first mounting portion, a second mounting portion, a connecting rod, and an elastic portion. The first mounting portion is connected to the adjusting member and has a first mounting hole. The second mounting portion is spaced apart from the first mounting portion and is connected to the first fixing member and has a second mounting hole. The connecting rod is inserted into the first mounting hole and fixedly connected to the first mounting portion, and is inserted into the second mounting hole. The second mounting portion is movable relative to the connecting rod along the connecting rod's axial direction. The elastic portion is sleeved onto the connecting rod.

[0016] In some embodiments, the elastic protective member further comprises a protective sleeve, which is fixed in the second mounting hole and has a mounting opening, the connecting rod passes through the mounting opening, and the protective sleeve is slidably arranged relative to the connecting rod.

[0017] In a second aspect, embodiments of the present disclosure provide a method for controlling a grinding tool, the grinding tool comprising a drive structure, a grinding head, a protective member, an adjusting member, and a detecting member. The method includes: the adjusting member controlling the movement of the drive structure based on the thickness of the object to be ground, so that the grinding head extends out of a receiving cavity of the protective member away from one end of the drive structure. The drive structure controls the rotation of the grinding head. In response to detecting contact between the protective member and the object to be ground, the detecting member sends a stop signal to the drive structure, causing the drive structure to control the grinding head to stop rotating.

[0018] In some embodiments, before controlling the driving structure to move, the method further includes: detecting the thickness of the object to be polished in the direction of the rotation axis of the polishing head to determine a minimum value of the thickness.

[0019] In some embodiments, when the detection member detects that the protective member is in contact with the object to be polished, the detection member sends a movement signal to the adjustment member, and after the drive structure controls the grinding head to stop rotating, it also includes: in response to the adjustment member receiving the movement signal, controlling the drive structure to move in a direction away from the object to be polished, so that the end of the grinding head close to the object to be polished is retracted into the accommodating cavity.

[0020] In some embodiments, the detection member is a pressure sensor. In response to detecting that the protective member is in contact with the object to be polished, the detection member sends a stop signal to the driving structure and a movement signal to the adjusting member, including: when the pressure sensor detects an increase in pressure and the increase in pressure exceeds a set threshold, a stop signal is sent to the driving structure and a movement signal is sent to the adjusting member.

[0021] On the third aspect, an embodiment of the present disclosure proposes a method for forming a grinding tool, comprising: connecting a grinding head to a driving structure so that the grinding head rotates under the drive of the driving structure. A protective member including an accommodating cavity is provided so that the grinding head can extend within the accommodating cavity. An adjusting member is connected to the driving structure so that the movement of the driving structure is controlled based on the thickness of the object to be ground, and the end of the grinding head away from the driving structure is adjusted to extend the length of the accommodating cavity in the direction of the rotation axis of the grinding head. A detection member is provided on the protective member for sending a stop signal to the driving structure when it is detected that the protective member is in contact with the object to be ground, wherein the driving structure controls the grinding head to stop rotating.

[0022] In some embodiments, the method of forming a grinding tool further includes installing an elastic protective member, wherein installing the elastic protective member includes: providing a first mounting portion having a first mounting hole and a second mounting portion having a second mounting hole, securing one end of a connecting rod within the first mounting hole, inserting the other end of the connecting rod into the second mounting hole, and enabling the second mounting portion to move relative to the connecting rod along the axial direction of the connecting rod; sleeve-mounting the elastic portion on the connecting rod, connecting the first mounting portion to the adjustment member, and connecting the second mounting portion to the driving structure.

[0023] In some embodiments, the drive structure includes a first motor and a spindle, the spindle being connected to the first motor and the grinding head, respectively. The method of forming the grinding tool further includes: providing a second motor, a first transmission structure, and a second transmission structure, wherein the first transmission structure is connected to the second motor, and the second transmission structure is in transmission connection with the first transmission structure. Connecting a component-changing structure to the spindle, and slidably connecting the component-changing structure to the second transmission structure, such that when the first transmission structure rotates, the component-changing structure moves relative to the spindle.

[0024] The polishing tool provided by the present disclosure can achieve precise control of the polishing depth during the polishing process of the object to be polished because the adjusting member can control the driving structure to move along the rotation axis of the polishing head based on the thickness of the object to be polished, so as to adjust the length of the accommodating cavity extended in the direction of the rotation axis of the polishing head at the end of the polishing head away from the driving structure. Furthermore, since the detecting member can send a stop signal to the driving structure when it detects that the protective member is in contact with the object to be polished, so that the driving structure controls the polishing head to stop rotating, damage to the object to be polished by the polishing head can be avoided during the polishing process. The object to be polished can be a light-curing glue applied on the nail, and controlling the polishing head to stop rotating can reduce the damage to the nail caused by the polishing process.

[0025] It should be understood that the contents described in this section are not intended to identify the key or important features of the embodiments of the present disclosure, nor are they intended to limit the scope of the present disclosure. Other features of the present disclosure will become readily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Other features, objects and advantages of the present disclosure will become more apparent from a reading of the detailed description of non-limiting embodiments made with reference to the following drawings: Figure 1 A schematic structural diagram of a grinding tool provided in an embodiment of the present disclosure; Figure 2 A schematic structural diagram of a protective member and a detection member included in a grinding tool provided in an embodiment of the present disclosure; Figure 3 A schematic diagram of the exploded structure of the protective part and the detection part included in the grinding tool provided in an embodiment of the present disclosure; Figure 4 A schematic structural diagram of a driving structure included in a grinding tool provided in an embodiment of the present disclosure; Figure 5 A schematic diagram of an exploded structure of a driving structure included in a grinding tool provided in an embodiment of the present disclosure; Figure 6 A schematic structural diagram of another driving structure included in the grinding tool provided in an embodiment of the present disclosure; Figure 7 A schematic diagram of an exploded structure of another driving structure included in a grinding tool provided in an embodiment of the present disclosure; Figure 8 A schematic structural diagram of an elastic protective member included in a grinding tool provided in an embodiment of the present disclosure; Figure 9 A schematic diagram of an exploded structure of an elastic protective member included in a grinding tool provided in an embodiment of the present disclosure; Figure 10 A flow chart of a control method for a grinding tool provided in an embodiment of the present disclosure; Figure 11 A flow chart of a method for forming a grinding tool provided in an embodiment of the present disclosure. DETAILED DESCRIPTION

[0027] The following describes exemplary embodiments of the present disclosure in conjunction with the accompanying drawings. Although various detailed descriptions are provided in these embodiments for ease of understanding, those skilled in the art should understand that these embodiments and their detailed descriptions are merely exemplary and that various modifications may be made to these embodiments without departing from the teachings of the present disclosure. Similarly, for the sake of clarity and conciseness, the following description will omit detailed descriptions of well-known functions and structures. In addition, the embodiments of the present disclosure and the features thereof may be combined with each other unless there is a conflict.

[0028] Current nail polish tools rely on manual operation when polishing light-curing adhesive. Manually controlling the polishing depth of light-curing adhesive depends on the manicurist's experience, which can easily lead to over-polishing and damage to the nails. In addition, if the polishing process is incorrect, the polishing head can easily damage the nails.

[0029] Based on the problem that nails are easily damaged when using current nail polishing tools to polish light-curing glue, the present disclosure provides a new polishing tool for polishing light-curing glue, which is used to achieve precise control of the polishing depth during the polishing process, thereby reducing the damage to the nails caused by the polishing process.

[0030] The present disclosure provides a grinding tool, comprising a driving structure, a grinding head, a protective member, an adjusting member and a detecting member. The grinding head can be connected to the driving structure and can rotate under the drive of the driving structure. The protective member may include a accommodating chamber, and the grinding head can extend in the accommodating chamber. The adjusting member can be connected to the driving structure, and the adjusting member is used to control the driving structure to move along the rotation axis of the grinding head based on the thickness of the object to be ground, so as to adjust the length of the accommodating chamber extended by one end of the grinding head away from the driving structure in the direction of the rotation axis of the grinding head. The detecting member can be provided on the protective member, and the detecting member is used to send a stop signal to the driving structure when it detects that the protective member is in contact with the object to be ground, so that the driving structure controls the grinding head to stop rotating.

[0031] It should be noted that the object to be polished can be the light-curing glue on the nail surface. During the polishing process, the rotation axis of the polishing head is perpendicular to the nail surface, and a part of the polishing head extends out of the accommodating cavity. The exposed outer wall surface of the polishing head can be used to polish the light-curing glue on the nail surface.

[0032] It should be noted that the adjusting member can be a linear feed mechanism (such as a linear motor). A linear motor is a transmission device that directly converts electrical energy into linear motion mechanical energy without any intermediate conversion mechanism. For example, the linear motor can be a linear motor or a linear stepper motor. The specific structure and operating principle of the linear motor are similar to those in the prior art and will not be further described here.

[0033] It should be noted that the detection member may be a pressure sensor, which can detect the pressure change of the protective member. The detection result of the pressure change can be used to determine whether the protective member is in contact with the object to be polished.

[0034] Exemplarily, the detection element may be a MEMS sensor (Micro-Electro-Mechanical Systems). MEMS sensors integrate sensors and micro-electromechanical systems, use micro-nano technology to achieve miniaturization, and sense external physical quantities through the deformation or vibration of micro-mechanical structures and convert them into electrical signals. The detection element in the present disclosure may be, for example, a MEMS pressure sensor.

[0035] For example, the detection element may be a thin film pressure sensor, an electronic device that converts pressure into an electrical signal based on the principle of thin film deformation. A thin film pressure sensor operates by exploiting the pressure-dependent behavior of one or more thin film materials. When pressure is applied, the film deforms, causing the sensor value to change. This change is converted into an electrical signal through a circuit. The detection element in the present disclosure may, for example, be a piezoresistive thin film pressure sensor or a capacitive thin film pressure sensor.

[0036] The polishing tool provided by the present disclosure can achieve precise control of the polishing depth during the polishing process of the object to be polished because the adjusting member can control the driving structure to move along the rotation axis of the polishing head based on the thickness of the object to be polished, so as to adjust the length of the accommodating cavity extended in the direction of the rotation axis of the polishing head at the end of the polishing head away from the driving structure. Furthermore, since the detecting member can send a stop signal to the driving structure when it detects that the protective member is in contact with the object to be polished, so that the driving structure controls the polishing head to stop rotating, damage to the object to be polished by the polishing head can be avoided during the polishing process. The object to be polished can be a light-curing glue applied on the nail, and controlling the polishing head to stop rotating can reduce the damage to the nail caused by the polishing process.

[0037] like Figures 1 to 9As shown, the grinding tool provided by the present disclosure may include a driving structure 11, a grinding head 12, a protective member 13, an adjusting member 14 and a detecting member 15. The grinding head 12 may be connected to the driving structure 11 and may be rotated under the drive of the driving structure 11. The protective member 13 may include an accommodating cavity, and the grinding head 12 may extend in the accommodating cavity. The adjusting member 14 may be connected to the driving structure 11, and the adjusting member 14 is used to control the driving structure 11 to move along the rotation axis direction of the grinding head 12 based on the thickness of the object to be ground, so as to adjust the length of the accommodating cavity extended from the end of the grinding head 12 away from the driving structure 11 in the direction of the rotation axis of the grinding head 12. The detecting member 15 may be provided on the protective member 13, and the detecting member 15 is used to send a stop signal to the driving structure 11 when it detects that the protective member 13 is in contact with the object to be ground, so that the driving structure 11 controls the grinding head 12 to stop rotating.

[0038] It should be noted that the outer wall surface of the grinding head 12 may be provided with spiral teeth. When the grinding head 12 is used to grind the light-curing adhesive on the nail surface, the spiral teeth can more easily cut into the light-curing adhesive, can effectively remove the light-curing adhesive debris generated during grinding, and can closely fit the curvature of the nail surface, achieving precise grinding of the light-curing adhesive and effectively removing residual adhesive.

[0039] In addition, during the actual grinding process, due to the setting of the protective part 13 and the detection part 15, when the detection part 15 detects that the protective part 13 is in contact with the light-curing glue on the nail surface, it sends a stop signal to the driving structure 11, so that the driving structure 11 controls the grinding head 12 to stop rotating, so that the grinding head 13 will not cause damage to the user's nail surface.

[0040] It should be noted that the length of the end of the grinding head 12 extending from the drive structure 11 out of the accommodating cavity along the direction of the rotation axis of the grinding head 12 is positively correlated with the thickness of the object to be ground. For example, the length of the end of the grinding head 12 extending from the drive structure 11 out of the accommodating cavity is positively correlated with the thickness of the light-curing adhesive. That is, as the thickness of the light-curing adhesive increases, the length of the end of the grinding head 12 extending from the drive structure 11 out of the accommodating cavity increases.

[0041] It should be noted that, when the thickness of the photocuring adhesive is uneven, the adjusting member 14 controls the movement of the driving structure 11 based on the minimum thickness of the photocuring adhesive.

[0042] It should be noted that the thickness of the photocuring glue coated on the nails of the same finger is basically the same, and the thickness of the photocuring glue coated on the nails of different fingers may be different. For the photocuring glue of different thicknesses on the nails of different fingers, the adjustment member 14 controls the driving structure 11 to move different distances based on the thickness of the photocuring glue, thereby making the grinding head 12 extend out of the accommodating cavity to different lengths.

[0043] For example, for the light-curing adhesive on the nail of the same finger, the thickness of the light-curing adhesive at different locations on the nail can be measured using ultrasonic measurement, and the minimum measured thickness is used as the thickness of the light-curing adhesive. The adjustment member 14 controls the movement of the driving structure 11 based on the measured thickness of the light-curing adhesive, so as to perform a first polishing of the light-curing adhesive on the nail by exposing the polishing head 12 in the receiving cavity. After the first polishing, the remaining thickness of the light-curing adhesive can be measured again using ultrasonic measurement. If the remaining thickness of the light-curing adhesive is greater than the set value, the remaining light-curing adhesive can be polished a second time using the same method.

[0044] It should be noted that after the first sanding, if the thickness of the remaining light-curing adhesive is less than a set value, the remaining light-curing adhesive does not need to be sanded. For example, a thinner thickness of light-curing adhesive will not affect the nail. The specific value of the set value can be set based on the adhesion between the light-curing adhesive and the nail and the composition of the light-curing adhesive.

[0045] In some embodiments, as Figure 1 As shown, the grinding tool further includes a mounting plate 16, which is provided with a positioning groove 161. The positioning groove 161 extends along the rotation axis of the grinding head 12. The driving structure 11 is slidably disposed in the positioning groove 161. The driving structure 11 can move along the positioning groove 161 under the control of the adjustment member 14. The protective member 13 is fixed to the end of the mounting plate 16 along the rotation axis of the grinding head 12.

[0046] It should be noted that the drive structure 11 is slidably mounted on the positioning slot 161, that is, the drive structure 11 is fixed to the positioning slot 161 via a sliding connection. Specifically, a portion of the drive structure 11 is slidably mounted on the positioning slot 161. The length of the positioning slot 161, in the plane of the mounting plate 16 and along the rotation axis of the grinding head 12, can be determined based on the length of the portion of the drive structure 11 and the required distance for the drive structure 11 to move. The required distance for the drive structure 11 to move can be determined based on the thickness of the object to be ground.

[0047] For example, in the plane where the mounting plate 16 is located and along a direction perpendicular to the rotation axis of the grinding head 12 , the width of the positioning groove 161 can be determined according to the width of a portion of the driving structure 11 .

[0048] In some embodiments, as Figure 1 and Figure 2As shown, the protective member 13 includes a first limiting member 131, a second limiting member 132, and a protective portion 133. The first limiting member 131 extends in a direction perpendicular to the rotation axis of the grinding head 12 and has a first opening 1311. The second limiting member 132 is fixed to the mounting plate 16 and fixedly connected to the first limiting member 131. The extension direction of the second limiting member 132 is perpendicular to the extension direction of the first limiting member 131. The protective portion 133 is fixed to the side of the first limiting member 131 away from the drive structure 11 and has a receiving cavity. The receiving cavity is adapted to the first opening 1311 and is coaxially arranged with the grinding head 12.

[0049] It should be noted that the first limiting member 131 and the second limiting member 132 can be integrally formed. The plane where the first limiting member 131 is located is perpendicular to the plane where the mounting plate 16 is located, and the plane where the second limiting member 132 is located is parallel to the plane where the mounting plate 16 is located.

[0050] It should be noted that the position of the first opening 1311 on the first limiting member 131 can be determined based on the position of the grinding head 12 mounted on the driving structure 11, and the first opening 1311 needs to be coaxial with the grinding head 12. For example, the driving structure 11 can be first mounted on the mounting plate 16, and then the grinding head 12 can be mounted on the driving structure 11, and then the second limiting member 132 can be mounted on the mounting plate 16. At this point, the position of the grinding head 12 is determined, and the position of the first opening 1311 on the first limiting member 131 can be determined based on the position of the grinding head 12. The first opening 1311 is coaxial with the grinding head 12, and the coaxiality tolerance is within a set range.

[0051] Exemplarily, the protective portion 133 may be located around the first opening 1311, the first opening 1311 may be a circular hole, the portion of the protective portion 133 close to the first limiting member 131 may be in the shape of a circular ring, the inner circle and outer circle of the circular ring are concentrically arranged with the first opening 1311, the diameter of the inner circle of the circular ring may be equal to or slightly larger than the diameter of the first opening 1311, and the protective portion 133 may be fixed to the first limiting member 131, for example, by welding.

[0052] It should be noted that the first opening 1311 can be a circular hole, and the size of the first opening 1311 can be determined based on the outer contour of the part of the driving structure 11 close to the grinding head 12. During the design, it is necessary to ensure that when the driving structure 11 is moving, the part of the driving structure 11 close to the grinding head 12 can pass through the first opening 1311.

[0053] Exemplarily, the outer shape of the protective portion 133 located at the part of the first limit member 131 away from the driving structure 11 may include three parts. The first part (i.e., the part close to the first limit member 131) may be set as a cylinder with an accommodating cavity. During the grinding process, the accommodating cavity of this part may accommodate the part of the driving structure 11 close to the grinding head 12. The second part (i.e., the part close to the object to be grinded) may also be set as a cylinder with an accommodating cavity. During the grinding process, the accommodating cavity of this part may accommodate the grinding head 12. The diameter of the accommodating cavity formed by the second part is smaller than the diameter of the accommodating cavity formed by the first part. The third part may be set as a cone with an accommodating cavity, which can better realize the transition between the first part and the second part.

[0054] In some embodiments, as Figure 3 As shown, the protective portion 133 may include a protective sleeve 1331 and a fixing portion 1332. The protective sleeve 1331 may be installed through the first opening 1311 and include a first portion and a second portion, wherein the first portion is located on a side of the first stopper 131 close to the drive structure 11, and the second portion is located on a side of the first stopper 131 away from the drive structure 11. The fixing portion 1332 is located on a side of the first stopper 131 close to the drive structure 11 and is fixedly connected to the first portion of the protective sleeve 1331 and the first stopper 131.

[0055] It should be noted that if Figure 3 As shown, with the first limiting member 131 as a reference, the portion of the protective sleeve 1331 located on the left side of the first limiting member 131 can be the first portion, the portion of the protective sleeve 1331 located on the right side of the first limiting member 131 can be the second portion, and the portion of the protective sleeve 1331 located in the first opening 1311 can be the third portion.

[0056] It should be noted that the protection portion 133 is fixed to the side of the first limiting member 131 away from the driving structure 11 means that the second portion of the protection sleeve 1331 included in the protection portion 133 is located on the side of the first limiting member 131 away from the driving structure 11 .

[0057] For example, the first opening 1311 may be a circular hole, and the first portion of the protective sleeve 1331 may be an annular shape, which is concentrically arranged with the first opening 1311 and has a diameter greater than that of the first opening 1311. The second portion of the protective portion 133, which is adjacent to the first stopper 131, may be an annular shape, and the outer diameter of the annular shape may be equal to or slightly smaller than that of the first opening 1311. In this way, the second portion of the protective sleeve 1331 can pass through the first opening 1311, and the first portion of the protective sleeve 1331 can abut against the first stopper 131.

[0058] Exemplarily, the fixing portion 1332 can be set to a circular ring shape, the inner diameter of the circular ring can be equal to or slightly larger than the diameter of the first opening 1311, and the annular structure between the inner circle and the outer circle of the fixing portion 1332 can be provided with multiple screws or rivets. Correspondingly, multiple threaded holes can be provided on the first limiting member 131, and the fixing portion 1332 can fix the protective cover 1331 on the first limiting member 131 through the cooperation of the threaded holes and the screws.

[0059] In some embodiments, as Figure 3 As shown, the detection member 15 can be a pressure sensor, which can be located on one side of the fixing portion 1332 close to the first limiter 131. For example, the pressure sensor can be fixed to the annular structure of the fixing portion 1332 by gluing, and the fixing portion 1332 can be provided with a groove 13321 for wiring.

[0060] In other embodiments, the pressure sensor is located at the end of the second portion of the protective portion 133 away from the driving structure 11. For example, the pressure sensor can be fixed to the end of the second portion of the protective portion 133 away from the driving structure 11 by gluing, that is, the pressure sensor is fixed to the end of the protective portion 133 close to the object to be polished. In this case, the pressure sensor is closer to the object to be polished, and the detection result is faster and more accurate.

[0061] In some embodiments, as Figures 1 to 7 As shown, the drive structure 11 may include a first fixing member 111, a second fixing member 112, and a driving member 113. The first fixing member 111 is slidably disposed on the positioning slot 161. The second fixing member 112 is vertically fixed to the first fixing member 111 and has a second opening 1121. The driving member 113 is connected to the grinding head 12, passing through the second opening 1121 and fixed to the second fixing member 112. When grinding an object to be grinded, the portion of the driving member 113 proximal to the grinding head 12 extends through the first opening 1311 into the accommodating cavity of the protective portion 133.

[0062] It should be noted that if Figure 5 As shown, the first fixing member 111 includes a first fixing portion 1111 and a second fixing portion 1112. The first fixing portion 1111 is fixed on the positioning groove 161, and the second fixing portion 1112 is fixed on the first fixing portion 1111. The first fixing portion 1111 can be used as a linear guide to achieve relative movement, and the second fixing member 112 is fixed on the second fixing portion 1112.

[0063] Exemplarily, the first fixing portion 1111 may include a first mounting structure and a second mounting structure, wherein the first mounting structure may be fixed to the positioning slot 161, for example, by screws or rivets, the first mounting structure being provided with a slide rail, and the second mounting structure being slidably fixed to the first mounting structure, and the second mounting structure being slidable along the slide rail. The second fixing portion 1112 may be fixed to the second mounting structure, for example, by screws or rivets.

[0064] It should be noted that the second opening 1121 is coaxially disposed with the first opening 1311. The size of the second opening 1121 can be determined based on the outer contour of the driver 113. Specifically, the size of the second opening 1121 can be determined based on the outer contour of a specific portion of the driver 113, where the specific portion of the driver 113 refers to the portion of the driver 113 that needs to pass through the second opening 1121.

[0065] In some embodiments, the driving member 113 may include a first housing 1131, a first motor 1132, and a spindle 1133. The first housing 1131 may be fixed to the second fixing member 112 and extend through the second opening 1121 in the direction of the rotation axis of the grinding head 12. The first motor 1132 is fixedly disposed within the first housing 1131. The spindle 1133 is located within the first housing 1131 and is connected to the first motor 1132 and the grinding head 12, respectively. The axis of the spindle 1133 extends in the direction of the rotation axis of the grinding head 12.

[0066] For example, the driving member 113 may further include a screw cap 1139. The end of the first housing 1131 away from the grinding head 12 is provided with external threads, and the screw cap 1139 is provided with internal threads. During installation, the first motor 1132 can be placed into the first housing 1131 and then secured to the first housing 1131 using the screw cap 1139. The internal threads of the screw cap 1139 are threadedly connected to the external threads of the first housing 1131.

[0067] It should be noted that although four threaded holes are provided on the end face of the first motor 1132, the stability of directly fixing the first motor 1132 in the first shell 1131 with these four threaded holes is insufficient. In actual design, a screw cover 1139 can be further used to fix the first motor 1132 in the first shell 1131.

[0068] In some embodiments, as Figures 1 to 7As shown, the grinding tool may further include a second motor 1134, a first transmission structure 1135, a second transmission structure 1136, a replacement structure 1137, and a second housing 1138. The second motor 1134 is fixed to the second fixing member 112. The first transmission structure 1135 is connected to the second motor 1134. The first transmission structure 1135 is located on the side of the second fixing member 112 close to the protective member 13 and rotates under the drive of the second motor 1134. The second transmission structure 1136 is transmission-connected to the first transmission structure 1135 and is sleeved on the first housing 1131, leaving the end of the first housing 1131 exposed. The replacement structure 1137 is fixed in position within the first housing 1131 at one end close to the first motor 1132, and the other end is connected to the main shaft 1133 and is slidably connected to the second transmission structure 1136, so that when the first transmission structure 1135 rotates, the replacement structure 1137 can move relative to the main shaft 1133. The second housing 1138 contacts a side of the second transmission structure 1136 away from the first motor 1132 and is fixed to the exposed end of the first housing 1131 .

[0069] In some embodiments, the second transmission structure 1136 may include a gear 11361 and a housing 11362. The gear 11361 is mounted on the first housing 1131 and is in driving connection with the first transmission structure 1135. The housing 11362 is fixed to the end of the gear 11361 away from the first motor 1132 and is mounted on the first housing 1131. The housing 11362 has a spiral groove structure.

[0070] It should be noted that the first transmission structure 1135 can also be a gear. The first transmission structure 1135 and the second transmission structure 1136 can transmit motion and power through the meshing of the teeth of the two gears. The first transmission structure 1135 is in transmission connection with the second motor 1134. When the second motor 1134 is in operation, it can drive the first transmission structure 1135 to rotate, which in turn drives the second transmission structure 1136 to rotate.

[0071] It should be noted that the first motor 1132 and the second motor 1134 can be the same motor, for example, a DC servo motor or an AC servo motor. The specific operating principles of the first motor 1132 and the second motor 1134 are similar to those in the related art and will not be described in detail here. Of course, the first motor 1132 and the second motor 1134 can also be different types of motors, and this disclosure does not specifically limit this.

[0072] For example, Figure 5 and Figure 7 As shown, an end of the first shell 1131 close to the grinding head 12 is provided with an external thread, and an end of the first shell 1131 close to the grinding head 12 is provided with a linear groove 11311 , which extends along the axis direction of the grinding head 12 .

[0073] For example, the second housing 1138 may include two parts. The first part, located near the replacement structure 1137, may be configured as a first cylindrical body having an accommodating cavity. The second part, located near the grinding head 12, may also be configured as a second cylindrical body having an accommodating cavity. The outer diameter of the first cylindrical body may be larger than the outer diameter of the second cylindrical body. Of course, in actual design, the end of the second cylindrical body near the grinding head 12 may also be designed as a cone, which can improve the appearance of the second housing 1138.

[0074] In some embodiments, as Figure 5 and Figure 7 As shown, the replacement member structure 1137 may include a first mounting member 11371, a second mounting member 11372, a spring 11373, and a third mounting member 11374. The first mounting member 11371 has a mounting hole, is located within the first housing 1131, and is slidably mounted on the linear groove 11311 included in the first housing 1131. The second mounting member 11372 is mounted within the mounting hole of the first mounting member 11371 and is slidable relative to the spiral groove structure of the housing 11362. One end of the spring 11373 is fixed in position within the first housing 1131, and the other end is connected to the first mounting member 11371. The third mounting member 11374 is connected to the main shaft 1133 and has a circular sleeve at one end close to the main shaft 1133, wherein during the process of replacing the grinding head, the third mounting member 11374 is set in contact with the first mounting member 11371, and after the grinding head is replaced, the third mounting member 11374 and the first mounting member 11371 are set in a gap.

[0075] It should be noted that since the second mounting member 11372 and the spiral groove structure of the outer shell 11362 need to slide relative to each other, there is a gap between the second mounting member 11372 and the outer shell 11362. The spring 11373 can provide a pre-tightening force, which can enable the second mounting member 11372 to always be tightly attached to the spiral groove structure of the outer shell 11362.

[0076] It should be noted that during the installation process, the first mounting member 11371 can be first installed in the linear groove 11311 of the first housing 1131, and then the outer shell 11362 can be placed on the first housing 1131, so that the end of the first housing 1131 near the grinding head 12 is exposed. Then, the second mounting member 11372 can be installed in the mounting hole of the first mounting member 11371, and then the second housing 1138 can be screwed to the first housing 1131, so that the outer shell 11362 cannot be dislodged and the linear movement of the outer shell 11362 is restricted, so that the first mounting member 11371 can move linearly along the linear groove 11311. For example, the end of the second housing 1138 near the first housing 1131 can be provided with an internal thread, and the internal thread of the second housing 1138 can be screwed to the external thread of the end of the first housing 1131 near the grinding head 12 to achieve screw fixation.

[0077] It should be noted that the main shaft 1133 can be integrated with the third mounting member 11374. During the installation process, it is necessary to first install the outer shell 11362, the first mounting member 11371, the second mounting member 11372 and the third mounting member 11374, and then install the second shell 1138.

[0078] It should be noted that when replacing the grinding head, the first mounting member 11371 undergoes axial displacement, causing it to contact the third mounting member 11374 and push the third mounting member 11374 to produce relative displacement on the spindle 1133, thereby loosening the grinding head 12. After the grinding head is replaced, the first mounting member 11371 moves away from the grinding head 12 and separates from and no longer contacts the third mounting member 11374. The third mounting member 11374 and the spindle 1133 no longer produce relative displacement, thereby clamping the grinding head 12 for subsequent grinding work.

[0079] It should be noted that the circular sleeve of the third mounting member 11374 close to one end of the main shaft 1133 produces axial movement. At this time, when the first mounting member 11371 generates a thrust toward the third mounting member 11374, it can generate a thrust in the opposite direction to the outer shell 11362, which can increase the end face bearing 1122 and thereby reduce rotational friction.

[0080] It should be noted that when the second motor 1134 works to drive the first transmission structure 1135 to rotate, the first transmission structure 1135 drives the gear 11361 and the outer shell 11362 to rotate, and the outer shell 11362 drives the second mounting member 11372 to slide along the spiral groove structure of the outer shell 11362. Since the second mounting member 11372 and the first mounting member 11371 are fastened together, and the first mounting member 11371 is restricted from circumferential motion by the first outer shell 1131, the first mounting member 11371 realizes axial linear motion.

[0081] For example, during the normal grinding process, the first mounting member 11371 and the third mounting member 11374 are not in contact. When a different grinding head needs to be replaced, the second motor 1134 works to drive the first transmission structure 1135 to rotate, and the first transmission structure 1135 drives the gear 11361 to rotate, and the first mounting member 11371 realizes linear motion. At this time, the first mounting member 11371 is in contact with the third mounting member 11374 and can push the third mounting member 11374 to produce relative displacement on the main shaft 1133. After the circular sleeve of the third mounting member 11374 is compressed, the clamping position of the grinding head will be loosened, thereby enabling the replacement of the grinding head. During the entire process, the spindle 1133 itself does not move. After the grinding head is replaced, the first mounting member 11371 moves away from the grinding head under the drive of the second motor 1134. The first mounting member 11371 is separated from the third mounting member 11374 and does not contact it. The third mounting member 11374 and the spindle 1133 no longer produce relative displacement, so that the replaced grinding head 12 can be clamped.

[0082] The polishing tool disclosed herein can be operated by a manicurist or integrated with an automatic nail polishing machine for automated polishing. The arrangement of the second motor 1134, the first transmission structure 1135, the second transmission structure 1136, and the component replacement structure 1137 disclosed herein enables linear motion of the first mounting member 11371, and thus linear motion of the spindle 1133. This allows for automatic replacement of the polishing head 12 after the polishing tool is integrated with the automatic nail polishing machine, thereby saving time and improving efficiency.

[0083] In some embodiments, as Figure 1 、 Figure 8 and Figure 9 As shown, the grinding tool may further include an elastic protective member 17, wherein the adjusting member 14 is connected to the first fixing member 111 via the elastic protective member 17, and is configured to retract the grinding head 12 into the accommodating chamber when the force applied to the grinding head 12 exceeds a set value. Retracting the grinding head 12 into the accommodating chamber further protects the object being ground, effectively preventing damage to the object being ground.

[0084] In some embodiments, as Figure 1 、 Figure 8 and Figure 9As shown, the elastic protective member 17 includes a first mounting portion 171, a second mounting portion 172, a connecting rod 173, and an elastic portion 174. The first mounting portion 171 is connected to the adjusting member 14 and has a first mounting hole 1711. The second mounting portion 172 is spaced apart from the first mounting portion 171 and is connected to the first fixing member 111 and has a second mounting hole 1721. The connecting rod 173 is inserted into the first mounting hole 1711 and fixedly connected to the first mounting portion 171. The connecting rod 173 is inserted into the second mounting hole 1721, and the second mounting portion 172 is movable relative to the connecting rod 173 along the axial direction of the connecting rod 173. The elastic portion 174 is sleeved on the connecting rod 173.

[0085] It should be noted that the two end faces of the connecting rod 173 have threaded holes, and the outer side of the second mounting portion 172 (i.e. the side of the second mounting portion 172 away from the first mounting portion 171) can be provided with a nut and a gasket to prevent the second mounting portion 172 from falling out.

[0086] It should be noted that the elastic portion 174 can be a spring. Under normal circumstances, that is, when the grinding head 12 is not subjected to an impact force, the spring is in a naturally extended state. When the grinding head 12 is subjected to a large impact force, the spring is in a compressed state, and the grinding head 12 retracts into the accommodating cavity.

[0087] It should be noted that when setting the spring, it is necessary to ensure that the grinding head 12 can be retracted into the accommodating cavity under the maximum compression state. The present disclosure does not specifically limit the length of the spring and other parameters of the spring.

[0088] It should be noted that during the grinding process, if the grinding head 12 is subjected to a large impact force, a force will be applied to the second mounting portion 172 in the direction of the spring, compressing the spring and allowing the grinding head 12 to retract into the accommodating cavity. For example, when grinding a nail, if the user's finger hits the grinding head 12 or the user's finger is touched and hits the grinding head 12, a large pressure will be generated between the user's nail and the grinding head 12, which will compress the spring and allow the grinding head 12 to retract into the accommodating cavity to prevent damage to the user's nail.

[0089] In some embodiments, as Figure 8 and Figure 9 As shown, the elastic protective member 17 further includes a protective sleeve 175 , which is fixed in the second mounting hole 1721 and has a mounting opening, through which the connecting rod 173 passes, and the protective sleeve 175 is slidably arranged relative to the connecting rod 173 .

[0090] It should be noted that the protective sleeve 175 can be a structure such as a copper sleeve or a linear bearing. The setting of the protective sleeve 175 can play a lubricating role during the axial movement of the second mounting portion 172 relative to the connecting rod 173 along the connecting rod 173.

[0091] It should be noted that the protective sleeve 175 includes an outer portion with a larger diameter and an inner portion with a smaller diameter. The inner portion of the protective sleeve 175 is located within the second mounting hole 1721. The outer portion of the protective sleeve 175 abuts against the second mounting portion 172, creating an interference fit between the protective sleeve 175 and the second mounting portion 172. The inner portion of the protective sleeve 175 has a clearance fit between the connecting rod 173 and the inner portion of the protective sleeve 175. The inner portion of the protective sleeve 175 and the connecting rod 173 are relatively slidable. When the second mounting portion 172 is subjected to pressure, pressure is applied to the stepped surface of the protective sleeve 175, allowing the protective sleeve 175 to slide on the connecting rod 173. A screw can be provided on the side of the second mounting portion 172 away from the adjusting member 14. The screw can be fixed in the threaded hole of the connecting rod 173 to limit the second mounting portion 172 and prevent it from falling out.

[0092] In some embodiments, as Figure 1 As shown, the grinding tool may further include a flange 18 , which may be fixed to the mounting plate 16 , and the flange 18 may be fixed to the robotic arm, so that the grinding tool can be moved by the robotic arm.

[0093] The disclosed embodiment also provides a control method for a grinding tool, which includes a driving structure, a grinding head, a protective part, an adjusting part, and a detecting part. The specific structure of the grinding tool has been introduced in detail above and will not be repeated here.

[0094] like Figure 10 As shown, the control method of the grinding tool may include: S101 : The adjusting member controls the movement of the driving structure based on the thickness of the object to be polished, so that the polishing head extends out of the accommodating cavity of the protective member at one end away from the driving structure.

[0095] S102, the driving structure controls the grinding head to rotate.

[0096] S103 . In response to detecting that the protective member is in contact with the object to be polished, the detecting member sends a stop signal to the driving structure, so that the driving structure controls the polishing head to stop rotating.

[0097] The beneficial effects that can be achieved by the control method of the grinding tool in the present disclosure are the same as the beneficial effects that can be achieved by the grinding tool, and will not be repeated here.

[0098] In some embodiments, before the adjusting member controls the driving structure to move, the method further includes: detecting the thickness of the object to be polished in the direction of the rotation axis of the polishing head to determine a minimum value of the thickness.

[0099] For example, the object to be polished may be light-curing adhesive on a nail. Ultrasonic measurement can be used to measure the thickness of the light-curing adhesive at different locations on the nail. The minimum thickness is used as the thickness of the light-curing adhesive on the nail. The adjusting member controls the movement of the driving structure based on the thickness of the light-curing adhesive on the nail. Similarly, ultrasonic measurement can be used to measure the thickness of the light-curing adhesive on different nails. The adjusting member can control the movement of the driving structure based on the thickness of the light-curing adhesive on different nails.

[0100] In some embodiments, when the detection member detects contact between the protective member and the object to be polished, the detection member sends a movement signal to the adjustment member, and after the drive structure controls the grinding head to stop rotating, the further method includes: in response to the adjustment member receiving the movement signal, controlling the drive structure to move in a direction away from the object to be polished, so that the end of the grinding head proximate to the object to be polished is retracted into the accommodating chamber. The retraction of the grinding head into the accommodating chamber can further protect the object to be polished and further reduce damage to the object caused by the grinding head.

[0101] In some embodiments, the detection member may be a pressure sensor, and in response to detecting that the protective member is in contact with the object to be polished, the detection member sends a stop signal to the drive structure, and sends a movement signal to the adjustment member, including: when the pressure sensor detects an increase in pressure, and the increase in pressure exceeds a set threshold value, it sends a stop signal to the drive structure, and sends a movement signal to the adjustment member. Exemplarily, during the detection process, the pressure sensor can be initialized first, and then tested. When the pressure sensor detects an increase in pressure, it may also be caused by noise during the test. In order to determine that the pressure increase is indeed caused by the contact between the protective member and the object to be polished, a pressure threshold can be set in advance. When the increase in pressure exceeds the set threshold value, it can be determined that the protective member is in contact with the object to be polished at this time.

[0102] The working process of the grinding tool is introduced below in conjunction with a specific embodiment.

[0103] The present disclosure is introduced by taking the light-curing glue on the nail as an example of the object to be polished.

[0104] First, the thickness of the light-curing adhesive at different positions of the nail to be polished is measured using ultrasonic measurement to determine a minimum thickness, which is used as the polishing depth.

[0105] Next, the adjusting part obtains the grinding depth. For example, the adjusting part can be provided with a human-computer interaction interface, and the manicurist can input the grinding depth to the adjusting part, or the ultrasonic measuring instrument can directly output the grinding depth as a test result to the adjusting part. The adjusting part controls the driving structure to move a corresponding distance based on the grinding depth, so that the grinding head extends out of the accommodating cavity of the protective part away from one end of the driving structure, and then the adjusting part locks the position of the grinding head.

[0106] Next, the grinding head contacts the light-curing adhesive on the nail and begins to rotate and drill downward, while the protective member descends synchronously. During the descent process, the pressure sensor detects an increase in pressure. When the pressure increase exceeds a set threshold, a stop signal is sent to the drive structure, which controls the grinding head to stop rotating to protect the nail. Exemplarily, the first motor in the drive structure stops working after receiving the stop signal. Further, when the pressure sensor detects an increase in pressure and the pressure increase exceeds a set threshold, a movement signal is sent to the adjustment member, which controls the drive structure to move in a direction away from the object to be polished, so that the end of the grinding head near the object to be polished is retracted into the accommodating chamber, and the position of the grinding head is locked to provide secondary protection for the nail.

[0107] The present disclosure also provides a method for forming a grinding tool, such as Figure 11 As shown, a method of forming an abrasive tool may include: S201 , connecting the grinding head to the driving structure so that the grinding head rotates under the driving of the driving structure.

[0108] S202. Provide a protective member including an accommodating cavity, so that the grinding head can extend within the accommodating cavity.

[0109] S203, connecting the adjustment member to the driving structure so as to control the movement of the driving structure based on the thickness of the object to be polished, and adjusting the end of the polishing head away from the driving structure to extend the length of the accommodating cavity in the direction of the rotation axis of the polishing head.

[0110] S204 , providing a detection member on the protective member, for sending a stop signal to the driving structure when detecting that the protective member is in contact with the object to be polished, wherein the driving structure controls the polishing head to stop rotating.

[0111] In some embodiments, the method of forming a grinding tool further includes installing an elastic protective member, wherein installing the elastic protective member includes: providing a first mounting portion having a first mounting hole and a second mounting portion having a second mounting hole, securing one end of a connecting rod within the first mounting hole, inserting the other end of the connecting rod into the second mounting hole, and enabling the second mounting portion to move axially relative to the connecting rod, sleeve the elastic portion onto the connecting rod, connecting the first mounting portion to the adjustment member, and connecting the second mounting portion to the drive structure. In other words, forming the grinding tool further includes forming the elastic protective member, and the specific structure of the elastic protective member has been described above and will not be repeated here.

[0112] In some embodiments, the drive structure includes a first motor and a spindle, the spindle being connected to the first motor and the grinding head, respectively. The method of forming a grinding tool further includes: providing a second motor, a first transmission structure, and a second transmission structure, wherein the first transmission structure is connected to the second motor, and the second transmission structure is in transmission connection with the first transmission structure; and providing a component replacement structure, connecting the component replacement structure to the spindle, and slidably connecting the component replacement structure to the second transmission structure, so that when the first transmission structure rotates, the component replacement structure moves relative to the spindle.

[0113] The method for forming the grinding tool disclosed herein will be described below with reference to a specific embodiment.

[0114] like Figures 1 to 9 As shown, first, the first fixing member 111 is installed to the positioning groove 161 of the mounting plate 16, and then the second fixing member 112 is fixed to the first fixing member 111, and then the second motor 1134 and the first transmission structure 1135 are installed on the second fixing member 112, and then the grinding head 12 is installed to the main shaft 1133 of the driving member 113, and the main shaft 1133 is installed to the third mounting member 11374, and the end of the main shaft 1133 away from the grinding head 12 is installed to the end of the first motor 1132 close to the grinding head 12 (that is, the main shaft 1133 is in contact and connected with the first motor 1132). Then, the first motor 1132 is installed in the first shell 1131, and the first mounting member 11371 is installed in the linear groove 11311 of the first shell 1131. Then, the outer shell 11362 and the gear 11361 are put on the first shell 1131, and the end of the first shell 1131 close to the grinding head 12 is exposed, and the gear 11361 is connected to the first transmission structure 1135. Then, the second mounting member 11372 is installed into the mounting hole of the first mounting member 11371, and then the second shell 1138 is screwed to the first shell 1131.

[0115] Next, the elastic protective member 17 is mounted on the first fixing member 111, and then the adjusting member 14 is mounted on the elastic protective member 17. The protective member 13 is then mounted on the end of the mounting plate 16 near the grinding head 12. The second stopper 132 included in the protective member 13 is fixedly mounted on the mounting plate 16. During the movement of the driving structure 11, the grinding head 12 can extend out of the receiving cavity of the protective member 13 to grind the object to be grinded.

[0116] It should be understood that, based on the teachings of the embodiments of this disclosure and according to actual needs, the above-mentioned process steps may be reordered, additional steps may be added, or some previously discussed steps may be deleted. In addition, depending on actual circumstances, the steps described in this disclosure may be executed in parallel or sequentially, or in a different order, as long as the desired results of the technical solutions disclosed in this disclosure can be achieved, and this is not limited herein.

[0117] The above specific embodiments do not constitute a limitation on the scope of protection of this disclosure. Depending on design requirements and other factors, various modifications may be made to the above embodiments, including the mutual or substitution of features. Any modifications made within the scope of the teachings of this disclosure shall be included within the scope of protection of this disclosure.

Claims

1. A grinding tool comprising: Drive structure; a grinding head connected to the driving structure and rotating under the drive of the driving structure; a protective member comprising a receiving cavity, wherein the grinding head extends within the receiving cavity; an adjusting member connected to the driving structure and configured to control the movement of the driving structure based on the thickness of the object to be polished, so as to adjust the length of the end of the polishing head away from the driving structure extending out of the accommodating cavity in the direction of the rotation axis of the polishing head; as well as The detection member is provided on the protective member and is used to send a stop signal to the driving structure when detecting that the protective member is in contact with the object to be polished, so that the driving structure controls the polishing head to stop rotating.

2. The grinding tool according to claim 1, wherein: The grinding tool also includes: a mounting plate, the mounting plate being provided with a positioning groove, the positioning groove extending in the direction of the rotation axis of the grinding head, the driving structure being slidably provided on the positioning groove and moving along the positioning groove under the control of the adjusting member; The protective member is fixed to the end portion of the mounting plate along the rotation axis direction of the grinding head.

3. The grinding tool according to claim 2, wherein: The protective element comprises: a first limiting member extending in a direction perpendicular to the rotation axis of the grinding head and having a first opening; a second position-limiting member fixed to the mounting plate and fixedly connected to the first position-limiting member, wherein an extension direction of the second position-limiting member is perpendicular to an extension direction of the first position-limiting member; and The protective portion is fixed to a side of the first limiting member away from the driving structure and has an accommodating cavity. The accommodating cavity is adapted to the first opening and is coaxially arranged with the grinding head.

4. The grinding tool according to claim 3, wherein: The protection part includes: a protective sleeve, the protective sleeve being disposed through the first opening and comprising a first portion and a second portion, wherein the first portion is located on a side of the first limiting member close to the driving structure, and the second portion is located on a side of the first limiting member away from the driving structure; and The fixing portion is located on a side of the first portion close to the driving structure and is fixedly connected to the first portion and the first limiting member.

5. The grinding tool according to claim 4, wherein: The detection element is a pressure sensor, Wherein, the pressure sensor is located on a side of the fixing portion close to the first limiting member; or, The pressure sensor is located at an end of the second portion away from the driving structure.

6. The grinding tool according to claim 3, wherein: The driving structure includes: A first fixing member is slidably disposed on the positioning groove; a second fixing member, vertically fixed to the first fixing member and having a second opening; and A driving member is connected to the grinding head, passes through the second opening and is fixed to the second fixing member, wherein when the object to be ground is ground, the portion of the driving member close to the grinding head extends through the first opening into the accommodating cavity.

7. The grinding tool according to claim 6, wherein: The driving member includes: a first housing fixed to the second fixing member and extending through the second opening in the direction of the rotation axis of the grinding head; a first motor, fixedly disposed in the first housing; and The main shaft is located in the first housing and is connected to the first motor and the grinding head respectively. The axis of the main shaft extends along the direction of the rotation axis of the grinding head.

8. The grinding tool according to claim 7, wherein: The grinding tool also includes: a second motor, fixed on the second fixing member; a first transmission structure, connected to the second motor, located on a side of the second fixing member close to the protective member, and rotated under the drive of the second motor; a second transmission structure, which is in transmission connection with the first transmission structure and is sleeved on the first housing so that an end portion of the first housing is exposed; a replacement structure, one end of which is close to the first motor and is fixed in the first housing, and the other end of which is connected to the main shaft, so that when the first transmission structure rotates, the replacement structure moves relative to the main shaft; and The second housing contacts a side of the second transmission structure away from the first motor and is fixed to the exposed end of the first housing.

9. The grinding tool according to claim 8, wherein: The second transmission structure includes: a gear, sleeved on the first housing and in transmission connection with the first transmission structure; and The outer shell is fixed to an end of the gear away from the first motor, is sleeved on the first shell, and has a spiral groove structure.

10. The grinding tool according to claim 9, wherein: The replacement structure includes: a first mounting member having a mounting hole, located in the first housing, and slidably mounted on a linear groove included in the first housing, the linear groove extending in the direction of the rotation axis of the grinding head; a second mounting member, mounted in the mounting hole and slidable relative to the spiral groove structure; a spring, one end of which is fixed in the first housing and the other end of which is connected to the first mounting member; and The third mounting member is connected to the main shaft and has a circular sleeve at one end close to the main shaft, wherein during the process of replacing the grinding head, the third mounting member is arranged in contact with the first mounting member, and after the grinding head is replaced, the third mounting member and the first mounting member are spaced apart.

11. The grinding tool according to claim 6, wherein: The grinding tool further includes an elastic protective member, wherein the adjusting member is connected to the first fixing member via the elastic protective member, and is configured to retract the grinding head into the accommodating cavity when the force applied to the grinding head exceeds a set value.

12. The grinding tool according to claim 11, wherein: The elastic protective member comprises: a first mounting portion connected to the adjusting member and having a first mounting hole; a second mounting portion, spaced apart from the first mounting portion, connected to the first fixing member, and having a second mounting hole; a connecting rod, inserted into the first mounting hole and fixedly connected to the first mounting portion, and inserted into the second mounting hole, wherein the second mounting portion is movable relative to the connecting rod along the axial direction of the connecting rod; and The elastic part is sleeved on the connecting rod.

13. The grinding tool according to claim 12, wherein: The elastic protective member further includes a protective sleeve, which is fixed in the second mounting hole and has a mounting opening; and The connecting rod passes through the installation opening, and the protective cover is slidably arranged relative to the connecting rod.

14. A method for controlling a grinding tool, the grinding tool comprising a driving structure, a grinding head, a protective member, an adjusting member, and a detecting member; in, The control method includes: The adjusting member controls the movement of the driving structure based on the thickness of the object to be polished, so that the polishing head extends out of the accommodating cavity of the protective member at one end away from the driving structure; The driving structure controls the rotation of the grinding head; and In response to detecting that the protective member is in contact with the object to be polished, the detecting member sends a stop signal to the driving structure, so that the driving structure controls the polishing head to stop rotating.

15. The control method according to claim 14, wherein: Before controlling the driving structure to move, the method further includes: The thickness of the object to be polished in the direction of the rotation axis of the polishing head is detected to determine a minimum value of the thickness.

16. The control method according to claim 14, wherein: When the detecting member detects that the protecting member is in contact with the object to be polished, the detecting member sends a movement signal to the adjusting member. After the driving structure controls the grinding head to stop rotating, the method further includes: In response to the adjusting member receiving the movement signal, the driving structure is controlled to move in a direction away from the object to be polished, so that the end of the polishing head close to the object to be polished is retracted into the accommodating cavity.

17. The control method according to claim 16, wherein: The detecting member is a pressure sensor, and in response to detecting that the protective member is in contact with the object to be polished, the detecting member sends a stop signal to the driving structure and sends a movement signal to the adjusting member, including: When the pressure sensor detects a pressure increase and the pressure increase value exceeds a set threshold, a stop signal is sent to the driving structure and a movement signal is sent to the adjusting member.

18. A method of forming an abrasive tool, comprising: Connecting the grinding head to the driving structure so that the grinding head rotates under the drive of the driving structure; A protective member including an accommodating cavity is provided so that the grinding head can extend within the accommodating cavity; Connecting an adjustment member to the drive structure so as to control the movement of the drive structure based on the thickness of the object to be polished and adjust the length of the end of the polishing head away from the drive structure extending out of the accommodating cavity in the direction of the rotation axis of the polishing head; as well as A detection member is provided on the protective member, for sending a stop signal to the driving structure when it is detected that the protective member is in contact with the object to be polished, wherein the driving structure controls the grinding head to stop rotating.

19. The method according to claim 18, wherein The method further includes installing an elastic protective member, wherein installing the elastic protective member includes: Provide a first mounting portion having a first mounting hole and a second mounting portion having a second mounting hole; Fixing one end of the connecting rod in the first mounting hole, and inserting the other end of the connecting rod in the second mounting hole, so that the second mounting portion can move relative to the connecting rod along the axial direction of the connecting rod; Sleeve the elastic part on the connecting rod; and The first mounting portion is connected to the adjusting member, and the second mounting portion is connected to the driving structure.

20. The method according to claim 18, wherein The driving structure includes a first motor and a main shaft, and the main shaft is connected to the first motor and the grinding head respectively. The method further comprises: A second motor, a first transmission structure, and a second transmission structure are provided, wherein the first transmission structure is connected to the second motor, and the second transmission structure is in transmission connection with the first transmission structure; and The changing structure is connected to the main shaft, and the changing structure is slidably connected to the second transmission structure, so that when the first transmission structure rotates, the changing structure moves relatively on the main shaft.

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