Hardness detection device for numerical control tool production

Abstract

The utility model provides a hardness detection device for numerical control cutter production, which comprises a base, an L-shaped plate fixedly connected to the surface of the upper end of the base, a hydraulic rod connected to the middle of the upper end of the L-shaped plate in an embedded manner, a hardness detector fixedly connected to the output end of the hydraulic rod, and a detection head arranged at the bottom of the hardness detector. The upper end of the base is fixedly connected with a mounting plate through a connecting rod, clamping assemblies are arranged at the left and right ends of the mounting plate, and cleaning assemblies are arranged at the front and rear ends of the mounting plate. According to the hardness detection device for numerical control tool production, by arranging the clamping assembly, during hardness detection, the position of a numerical control tool can be prevented from deviating, and the hardness detection precision is improved; through the arrangement of the cleaning assembly, the condition that chippings are attached to the surface of the tool can be effectively reduced, the factor, namely the chippings which may interfere with the detection result, is eliminated to the maximum extent, and therefore the actual hardness of the tool can be reflected more accurately through hardness detection.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control tool technical field more specifically, relate to a hardness detection device for numerical control tool production. BACKGROUND

[0002] Numerical control tool is the tool for cutting processing in mechanical manufacturing, also called cutting tool, the broad sense cutting tool includes not only cutting tool, but also grinding tool, and the numerical control tool includes not only cutting blade, but also cutting rod and handle and other accessories, and the hardness detection device is needed in the production of numerical control tool, but the current hardness detection device lacks special clamping device, which leads to the rolling of numerical control tool during hardness detection operation, and the possibility of safety accidents, and the specific position of numerical control tool needs to be adjusted manually during the detection of multiple displacements of numerical control tool, which increases the step process of detection operation and reduces the detection efficiency of workers.

[0003] In view of the above problems, the current hardness detection device lacks special clamping device, which leads to the rolling of numerical control tool during hardness detection operation, and the possibility of safety accidents, and the specific position of numerical control tool needs to be adjusted manually during the detection of multiple displacements of numerical control tool, which increases the step process of detection operation and reduces the detection efficiency of workers, and in terms of technical problems, after a large number of searches, a numerical control tool hardness detection equipment with the patent announcement number CN217901358U is found, which comprises a detection mechanism comprising an installation plate, a cylinder arranged at the top of the front end of the installation plate, a support plate arranged at the top of the installation plate, a detection device body arranged at the top of the support plate, and a steel plate arranged at the top of the cylinder. The utility model has the beneficial effects that: by arranging the installation plate, the cylinder, the support plate, the detection device body and the steel plate, the device has basic hardness detection function, the height of the steel plate is adjusted by controlling the cylinder, and the detection device body and its hardness sensor cooperate to detect the numerical control tool, by arranging the first through slot and the first sliding block, the positioning frame is pushed, the numerical control tool is prone to rolling and then deviation during hardness detection operation due to the cylindrical shape of the numerical control tool and the lack of special clamping device, and the problem of the possibility of safety accidents is solved, but the technical scheme provided by the patent has the following problems:

[0004] (1) According to the hardness detection device described in patent announcement No. CN217901358U, the second steel rod is rotated by a rotating circular plate, thereby pushing the first rubber block to clamp the cutting tool. The design starting point is based on the circumferential surface characteristics of the cylindrical cutting tool. However, for irregularly shaped cutting tools, since their outer contour is not a regular circumference, when inserted into the through hole, the cutting tool and the through hole inner cavity wall are difficult to achieve a close-fitting state. This causes the first rubber block to be unable to uniformly apply force when clamping it. In the key operation of detecting the hardness of the cutting edge, this uneven clamping force can easily cause the cutting edge position to shift. Once the cutting edge position shifts, the hardness detection result cannot accurately reflect the true hardness of the cutting edge, thereby reducing the detection accuracy.

[0005] (2) In the machining process such as grinding of numerical control cutting tools, a large amount of metal chips will be generated. Part of the chips may remain on the surface of the cutting tool. Even after the subsequent cleaning process, it is still difficult to completely remove all the chips, especially the small chips, which are easily attached to the texture or complex cutting edge structure of the cutting tool. When hardness detection is performed, the presence of these chips can cause many problems. On the one hand, they may be mistaken for part of the cutting tool itself and participate in the hardness measurement during the detection process. On the other hand, the chips can cause uneven contact between the indenter and the cutting tool. Taking the Brinell hardness tester as an example, if there are chips on the surface of the cutting tool, the chips will support the indenter when it is pressed in, making the indentation shallower than the actual cutting tool material. Ultimately, the hardness measurement value is higher, which cannot accurately reflect the true hardness of the cutting tool. This situation can seriously affect the accuracy of cutting tool hardness detection, and may interfere with the correct evaluation of cutting tool quality and subsequent use decisions, etc.

[0006] The hardness detection device of the utility model can prevent the position of the numerical control cutting tool from shifting and improve the accuracy of hardness detection. It can also effectively reduce the attachment of chips on the surface of the cutting tool, thereby eliminating the factor of chips that may interfere with the detection result to the greatest extent, so that the hardness detection can more accurately reflect the actual true hardness of the cutting tool. Utility model content

[0007] The utility model aims to solve the technical problems in the above background art, and provides a hardness detection device for numerical control cutting tool production. The hardness detection device includes a clamping assembly, a cleaning assembly, and a hardness detection assembly. The clamping assembly can prevent the position of the numerical control cutting tool from shifting and improve the accuracy of hardness detection. The cleaning assembly can effectively reduce the attachment of chips on the surface of the cutting tool, thereby eliminating the factor of chips that may interfere with the detection result to the greatest extent, so that the hardness detection can more accurately reflect the actual true hardness of the cutting tool.

[0008] In order to achieve the above object, the utility model provides the following technical scheme: A hardness detection device for numerical control tool production, include: base, the upper end surface of base is fixedly connected with L type board, the upper end middle position of L type board is embeddedly connected with hydraulic rod, the output end of hydraulic rod is fixedly connected with hardness detector, the bottom of hardness detector is provided with detection head, the upper end of base is fixedly connected with mounting plate through connecting rod, the left and right two ends of mounting plate are provided with clamping assembly, the front and back two ends of mounting plate are provided with cleaning assembly,

[0009] The clamping assembly includes an outer ring embeddedly connected to the left and right two ends of the mounting plate, an inner ring fixedly connected inside the outer ring, a sliding rod slidingly connected inside the outer ring and the inner ring, a protective pad fixedly connected to the inner side of the sliding rod, and a gear meshingly connected to one side of the sliding rod.

[0010] The cleaning assembly includes a sliding groove opened in the inner side surface of the front and back two ends of the mounting plate, a lead screw rotationally connected inside the sliding groove, a sliding block threadedly connected to the surface of the lead screw, an electric push rod fixedly installed on one end surface of the sliding block, a connecting block fixedly connected to the telescopic end of the electric push rod, and a brush arranged on the inner side surface of the connecting block.

[0011] Further preferred scheme: outer rings are embeddedly connected to the left and right two ends of the mounting plate, and the outer rings are respectively distributed at the middle positions of the left and right two ends of the mounting plate; the inner rings are fixedly connected inside the outer rings.

[0012] Further preferred scheme: the sliding rods penetrate through the outer rings and the inner rings and are slidingly connected with the outer rings and the inner rings respectively; the inner side of the sliding rod is arc-shaped and four are arranged, and are respectively distributed in the annular space between the outer ring and the inner ring; the annular space is equally divided into four regions in the circumferential direction, one sliding rod is arranged in each region, and a tooth pattern is arranged on one side surface of the sliding rod.

[0013] Further preferred scheme: the protective pad is arranged on the inner side surface of the sliding rod; the gear is meshingly connected to one side of the sliding rod provided with the tooth pattern; the electric machine is connected to the inner side of the gear through the rotating shaft, and the electric machine is fixedly installed inside the outer ring.

[0014] Further preferred scheme: the sliding groove is opened in the inner side surface of the front and back two ends of the mounting plate; the lead screw is rotationally connected inside the sliding groove; one end of the lead screw is connected to the electric machine through the rotating shaft, and the output end of the electric machine is fixedly connected to the lead screw through the rotating shaft.

[0015] Further preferred scheme: the sliding block is threadedly connected to the surface of the lead screw and is slidingly connected inside the sliding groove.

[0016] Further preferred: one side surface of the slider is respectively fixedly welded with an electric push rod, the telescopic end of the electric push rod is fixedly connected with a connecting block, the connecting block is semicircular arc-shaped, and the inner side surface of the connecting block is provided with a brush.

[0017] Advantages:

[0018] 1、By setting the clamping assembly, when the numerical control tool needs to be clamped and fixed for hardness detection, the irregular-shaped numerical control tool is inserted through the inner ring, at this time the numerical control tool is located in the space surrounded by the inner ring and between the four sliding rods, the motor fixed in the inner ring of the outer ring is started, the motor drives the gear to rotate, since the gear is engaged with the teeth on one side surface of the sliding rod, the rotation of the gear will be converted into the linear motion of the sliding rod, with the rotation of the gear, the four sliding rods will slide back and forth along their respective directions in the inner ring and the inner ring of the outer ring, since the inner side of the sliding rod is arc-shaped and provided with a protective pad, during the sliding process, the four sliding rods will gradually approach the outer surface of the numerical control tool, the protective pad can not only prevent scratching the numerical control tool, but also provide a certain friction, when the four sliding rods are in contact with the outer surface and apply sufficient pressure, the irregular-shaped numerical control tool is fixed, at this time, the numerical control tool is stably fixed in the space surrounded by the four sliding rods, preventing the position of the numerical control tool from deviating, improving the accuracy of hardness detection.

[0019] 2、By setting the cleaning assembly, before the hardness detection operation is implemented, the electric push rod is first started, which pushes the brush to tightly adhere to the outer surface of the tool, then the motor is turned on, the rotation of the motor drives the screw rod to rotate, since the screw rod rotates, the sliding block connected with the screw rod will slide left and right along the path of the screw rod, and the sliding block drives the brush to move together, in this way, the brush can clean the surface of the tool left and right along the direction of the screw rod, in this way, the adhesion of the tool surface debris can be effectively reduced, in this way, the factor of debris that may interfere with the detection result is eliminated to the greatest extent, so that the hardness detection can more accurately reflect the actual hardness of the tool.

[0020] 3、In summary, the hardness detection device for numerical control tool production clamping assembly can prevent the position of the numerical control tool from deviating during hardness detection, improve the accuracy of hardness detection, and the cleaning assembly can effectively reduce the adhesion of the tool surface debris, eliminate the factor of debris that may interfere with the detection result to the greatest extent, so that the hardness detection can more accurately reflect the actual hardness of the tool. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure schematic view of the utility model.

[0022] Figure 2The cleaning assembly structure schematic view of the utility model.

[0023] Figure 3 The inner ring and outer ring structure schematic view of the utility model.

[0024] Figure 4 The gear and sliding rod structure schematic view of the utility model.

[0025] Figures 1-4 M: 1, base; 2, L-shaped plate; 3, hydraulic rod; 4, hardness detector; 5, detection head; 6, mounting plate; 7, outer ring; 8, inner ring; 9, sliding rod; 10, protective pad; 11, sliding groove; 12, gear; 13, screw rod; 14, sliding block; 15, electric push rod; 16, connecting block; 17, brush. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Figures 1-4 The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0027] Please refer to Figures 1-4The utility model discloses a kind of hardness detection devices for numerical control cutter production, comprising: base 1, base 1 as the basis part of whole device, play the role of support, it provides stable mounting platform for the other components of device, ensure that device will not because of shaking and other factors influence detection accuracy in working process, for example, when hydraulic rod 3 drives hardness detector 4 to move up and down to detect, the stability of base 1 can prevent device overall to dump or produce displacement, guarantee the smooth progress of detection operation, base 1 upper end surface is fixedly connected with L type board 2, its structure design makes it can provide support in vertical direction, hydraulic rod 3 is embeddedly connected with L type board 2 in upper end middle position, using the height of L type board 2, make hydraulic rod 3 can lift hardness detector 4 to suitable height, and it is convenient to control its up and down movement, this positional relationship makes that hardness detector 4 can be flexibly adjusted position in vertical direction, to adapt to hardness detection of different size numerical control cutter, the output end of hydraulic rod 3 is fixedly connected with hardness detector 4, this makes hydraulic rod 3 can accurately control the vertical position of hardness detector 4, the bottom of hardness detector 4 is provided with detection head 5, is the key component that directly contacts with numerical control cutter to carry out hardness detection, hydraulic rod 3 is driven by hardness detector 4 to move up and down, adjust the distance between detection head 5 and numerical control cutter, ensure that detection head 5 can accurately contact cutter surface to detect, this positional relationship guarantees that detection head 5 can be contacted with cutter under suitable pressure, and detection position can be adjusted according to need, it is crucial for obtaining accurate hardness detection data, the upper end of base 1 is fixedly connected with mounting plate 6 by connecting rod, it is the installation basis of clamping assembly and cleaning assembly, the position of mounting plate 6 is above base 1, so that it can cooperate with the working area of hardness detection in cutter placement and processing process, for example, after being clamped and fixed to numerical control cutter, the surface of cutter is cleaned by cleaning assembly on mounting plate 6, then cutter position can be conveniently adjusted to suitable height, so that the detection head 5 of hardness detector 4 can detect it, the left and right ends of mounting plate 6 are provided with clamping assembly, and its position is on both sides of mounting plate 6, can exert force from the left and right directions of cutter, stably clamps cutter, for the numerical control cutter of irregular shape, this clamping mode can prevent cutter from rolling or deviating during detection, ensure that cutter keeps fixed position when being cleaned and detected, to guarantee detection accuracy, the front and rear ends of mounting plate 6 are provided with cleaning assembly, can clean the front and rear surfaces of cutter after being clamped in mounting plate 6, this positional relationship makes that cleaning assembly can effectively remove the impurities such as debris, oil stains remaining on cutter surface in processing process, after being cleaned, cutter surface can guarantee that detection head 5 is in good contact with cutter before hardness detection, avoid the interference of impurities to detection result, improve the accuracy of hardness detection;

[0028] The clamping assembly comprises an outer ring 7 embeddedly connected at both ends of the mounting plate 6, which is stably fixed on the mounting plate 6, and the mounting plate 6 serves as a base component of the whole device to provide a support platform for the outer ring 7, ensuring that the outer ring 7 is fixed in position and cannot be easily displaced during operation, which provides a stable basic structure for the subsequent clamping action, because the subsequent inner ring 8, sliding rod 9 and other components are based on the outer ring 7 to work, and the inner ring 8 is fixedly connected inside the outer ring 7, which together with the outer ring 7 forms an annular space, which provides a track for the movement of the sliding rod 9, and the inner ring 8 is located in the middle, mainly serving to guide the insertion of the numerical control tool, when the numerical control tool passes through the inner ring 8, the inner ring 8 can preliminarily position the tool, so that the tool is located near the center of the device, facilitating the subsequent clamping of the tool by the sliding rod 9 from all directions, ensuring that the tool is evenly stressed during clamping, the sliding rod 9 is slidably connected inside the outer ring 7 and the inner ring 8, which allows the sliding rod 9 to freely slide back and forth in the annular space formed by the outer ring 7 and the inner ring 8, and the position of the sliding rod 9 is designed to allow it to approach or move away from the tool from different directions, and through reasonable mechanical transmission such as meshing with the gear 12, the sliding rod 9 can adjust its position as needed to clamp or loosen the numerical control tool inserted into the inner ring 8 from the circumferential direction, thereby effectively clamping tools of different shapes and sizes, the protective pad 10 is fixedly connected to the inner side of the sliding rod 9, when the sliding rod 9 moves towards the tool under the drive of the gear 12 and contacts the tool, the protective pad 10 is located between the tool and the sliding rod 9, which prevents the sliding rod 9 from scratching the surface of the numerical control tool during clamping, in addition, the protective pad 10 can also provide a certain friction force, which helps to better fix the tool and ensures that the tool does not move during detection, ensuring the accuracy of hardness detection, the gear 12 is meshingly connected to one side of the sliding rod 9, and the gear 12 is usually driven by a motor, which allows the rotational motion of the motor to be converted into the linear motion of the sliding rod 9, and the gear 12 is located in the device to effectively transmit power, and by controlling the rotation direction and number of the gear 12, the sliding direction and displacement of the sliding rod 9 can be accurately controlled, thereby achieving precise clamping of the numerical control tool, and the position of the gear 12 closely cooperates with the sliding rod 9, which is a key part of realizing the automatic operation of the clamping assembly.

[0029] The cleaning assembly comprises a sliding groove 11 opened in the inner side surface of the front and rear ends of the mounting plate 6, which provides a track for the installation and movement of the lead screw 13 and the sliding block 14. The mounting plate 6 serves as the base component of the entire device, and the position of the inner side surface of the front and rear ends enables the cleaning assembly to be located on the front and rear sides of the tool, facilitating the cleaning of the surface of the tool. Moreover, the presence of the sliding groove 11 ensures that the rotation of the lead screw 13 and the sliding movement of the sliding block 14 are performed in a stable plane, providing a basis for the accuracy and stability of subsequent cleaning actions. The lead screw 13 is rotatably connected inside the sliding groove 11, which enables the lead screw 13 to stably rotate within the range defined by the sliding groove 11. The position of the lead screw 13 determines that it can drive the sliding block 14 to slide left and right in the sliding groove 11 through its own rotation. The rotational movement of the lead screw 13 in the sliding groove 11 is a key part of power transmission for the cleaning assembly to realize the cleaning action. Through the threaded connection with the sliding block 14, the rotational movement is converted into the linear movement of the sliding block 14, thereby driving the brush 17 to move left and right on the surface of the tool for cleaning. The sliding block 14 is threadedly connected to the surface of the lead screw 13. When the lead screw 13 rotates, the sliding block 14 will slide left and right along the axial direction of the lead screw 13. Meanwhile, the sliding block 14 is also slidably connected inside the sliding groove 11, which enables the sliding block 14 to stably perform linear movement in the sliding groove 11 under the drive of the lead screw 13. The position of the sliding block 14 is between the lead screw 13 and the electric push rod 15, which plays a role in connecting and transmitting power, converting the rotation of the lead screw 13 into the linear movement of the sliding block 14, and further driving the electric push rod 15 and the brush 17 to move, thereby realizing the cleaning of different positions on the surface of the tool. The electric push rod 15 is fixedly installed at one end of the surface of the sliding block 14. This position enables the electric push rod 15 to move left and right together with the sliding block 14. The electric push rod 15 adjusts its position by utilizing the movement of the sliding block 14, so as to bring the connecting block 16 and the brush 17 to different positions on the surface of the tool. Moreover, the electric push rod 15 can accurately control the distance between the brush 17 and the surface of the tool on the basis of the position provided by the sliding block 14 through its own telescopic function, realizes the adhesion of the brush 17 to the outer surface of the tool, and provides appropriate contact conditions for the cleaning work. The connecting block 16 is fixedly connected to the telescopic end of the electric push rod 15, and its position is controlled by the telescopic function of the electric push rod 15. The connecting block 16 plays a role in connecting the electric push rod 15 and the brush 17, and transmits the telescopic movement of the electric push rod 15 to the brush 17, so that the brush 17 can approach or move away from the surface of the tool under the drive of the electric push rod 15. Meanwhile, the semicircular arc design of the connecting block 16 helps better adhere to the outer surface of the tool, so that the brush 17 can more effectively clean the circumferential part of the tool. The brush 17 is arranged on the inner side surface of the connecting block 16. This position enables the brush 17 to directly contact the outer surface of the numerical control tool. When the electric push rod 15 pushes the connecting block 16 to make the brush 17 adhere to the surface of the tool, and the sliding block 14 drives the electric push rod 15 and the brush 17 to slide left and right, the brush 17 can clean the surface of the tool. The position of the brush 17 determines that it is a direct tool for cleaning the debris on the surface of the tool.The close contact and relative movement of the tool surface can effectively remove impurities on the tool surface, ensure the cleanliness of the tool surface during hardness detection, improve the detection accuracy, the brush 17 can be selected from nylon material, the nylon brush has good wear resistance, when the numerical control tool is cleaned, there may be some high hardness metal debris on the surface of the tool, the nylon brush can withstand friction with these debris and is not easy to be damaged, thereby ensuring the service life of the brush, at the same time, the nylon material has a certain elasticity, when the brush contacts the tool surface, it can adapt to the irregular shape of the tool surface to a certain extent, better fit the tool, and the cleaning effect is more uniform.

[0030] In the embodiment of the utility model, the outer ring 7 is embedded and connected to the left and right ends of the mounting plate 6, the mounting plate 6 is used as the basic bearing component of the whole device, and the left and right ends are connected to the outer ring 7 in an embedded manner, mainly to provide a stable mounting position for the outer ring 7, this connection mode can firmly fix the outer ring 7 on the mounting plate 6 and cannot easily displace, at the same time, the position of the mounting plate 6 determines the height and horizontal position of the outer ring 7 in the whole device, providing a stable reference plane for subsequent clamping operation, since the mounting plate 6 is fixed on the base 1 through the connecting rod, it can ensure that the outer ring 7 does not shake in the working process due to vibration of the device and other factors, ensuring the stability of the clamping assembly, the outer ring 7 is distributed at the middle positions of the left and right ends of the mounting plate 6, this position design is conducive to realizing balanced clamping of the numerical control tool, when the numerical control tool is inserted into the inner ring 8, the outer ring 7 at the middle positions of the left and right ends can uniformly distribute the subsequent clamping force on both sides of the tool, avoiding tilting of the tool due to uneven force, this distribution mode can make the clamping force guided and applied from the outer ring 7 and the inner ring 8 pass through the center axis of the tool better, ensuring that the tool maintains good straightness and stability during fixation, which is crucial for accurate hardness detection, because if the tool tilts during clamping, the contact between the detection head 5 and the tool during hardness detection will be uneven, thereby affecting the accuracy of the detection result, the inner ring 8 is fixedly connected inside the outer ring 7, and they jointly form a relatively closed annular space, which provides a movement track for the sliding rod 9, and the inner ring 8 plays a role in positioning and guiding insertion of the numerical control tool, the size and shape of the inner ring 8 determine the size range of the tool that can be inserted, when the tool passes through the inner ring 8, the inner ring 8 can preliminarily position the tool, so that the tool is located near the center of the device, facilitating accurate clamping of the tool from different directions by the sliding rod 9, and moreover, the fixed connection of the outer ring 7 and the inner ring 8 ensures the stability of the annular structure, so that the tool insertion, movement of the sliding rod 9 and final clamping fixation can be carried out in a stable and reliable structural environment during the whole clamping process.

[0031] In the embodiment of the utility model, the sliding rod 9 penetrates the outer ring 7 and the inner ring 8 and is slidably connected with the outer ring 7 and the inner ring 8 respectively, the structure design makes the sliding rod 9 be able to stably move linearly in the annular space formed by the outer ring 7 and the inner ring 8, the outer ring 7 and the inner ring 8 provide the sliding rod 9 with movement guide and support, ensure that the sliding rod 9 does not deviate from the predetermined direction in the moving process, the positional relationship makes the sliding rod 9 can approach or move away from the numerical control cutter located in the center from the circumferential direction as needed, thereby realizing the clamping or loosening operation of the cutter, moreover, the sliding connection mode can reduce the friction, make the movement of the sliding rod 9 more smooth, be favorable to the accurate control of its position, further accurately control the clamping force of the cutter, the inner side of the sliding rod 9 is arc-shaped and is provided with four, is respectively distributed in the annular space between the outer ring 7 and the inner ring 8, the annular space is divided into four areas according to the circumferential direction, one sliding rod 9 is arranged in each area, the shape design is to better fit the outer surface of the numerical control cutter, since the shape of the cutter is usually cylindrical or irregular with a certain arc, the arc-shaped inner side can increase the contact area with the cutter, make the clamping more stable, the four sliding rods 9 are respectively distributed in the annular space between the outer ring 7 and the inner ring 8, and the annular space is divided into four areas according to the circumferential direction, one sliding rod 9 is arranged in each area, the uniform distribution mode can exert the clamping force on the cutter from multiple directions, when the four sliding rods 9 move to the cutter and contact the cutter simultaneously, the cutter can be subjected to uniform pressure in the circumferential direction, effectively avoid that the cutter is deformed or positionally deviated because of excessive local stress, ensure that the cutter is firmly and stably fixed at the device center position, provide good conditions for subsequent hardness detection, the one side surface of the sliding rod 9 is provided with a tooth trace, the tooth trace can be engaged with the gear 12, when the gear 12 rotates under the driving of the motor, the rotary motion of the gear 12 can be converted into the linear motion of the sliding rod 9 through the engagement of the tooth trace, the transmission mode is accurate and reliable, by controlling the rotation direction and angle of the gear 12, the moving direction and displacement of the sliding rod 9 can be accurately controlled, the tooth trace is arranged on one side of the sliding rod 9, make the transmission structure compact, and effectively realize the power transmission under the premise that other functions such as the sliding connection with the outer ring 7 and the inner ring 8 and the clamping of the cutter of the sliding rod 9 are not affected, thereby realizing the automatic clamping operation of the numerical control cutter.

[0032] The utility model discloses a slide rod 9 inside surface is provided with the protective pad 10, when slide rod 9 is moved to numerical control tool and is clamped to it, the protective pad 10 directly contacts tool surface, and its main role is to prevent slide rod 9 scratch tool surface in the clamping process, because the surface quality of numerical control tool is very important to its performance and subsequent use, the protective pad 10 can be used as a buffer layer, avoids the scratch or damage that the slide rod 9 of metal material quality can cause with tool surface hard contact, simultaneously, the protective pad 10 can also provide certain friction, help better fixed tool, prevent tool displacement in the detection process, ensure the accuracy of hardness detection, the one side of slide rod 9 is equipped with the meshing connection of the tooth, this connection makes power can be passed from gear 12 to slide rod 9, the rotary motion of gear 12 can be converted into the linear motion of slide rod 9 through the meshing effect of tooth, this transmission has higher precision and reliability, can accurately control the moving direction and displacement of slide rod 9, through the rotation direction of control gear 12 for example clockwise or counterclockwise rotation, can make slide rod 9 move towards the direction of approaching or away from tool, thereby realizes the clamping or loosening operation of tool, is the key link of realizing the automatic control of clamping assembly, the inside of gear 12 is connected with motor through the pivot, and the motor is fixedly installed in the inside of outer ring 7, and the motor is used as power source, and provides power for the rotation of gear 12, and the motor is fixedly installed in the inside of outer ring 7, and this position makes the motor can be stably installed in the device, and is closely connected with gear 12, reduces the energy loss and vibration in power transmission process, and the outer ring 7 provides a fixed support structure for the motor, guarantees that the motor does not displace in the working process, thereby ensuring the stability of power output, through the rotation of motor, drives gear 12 to rotate, and then drives slide rod 9 to move, realizes the automatic operation of tool clamping process, improves the working efficiency and the precision of clamping of device.

[0033] The utility model discloses a cleaning device for numerical control cutter, including the installation plate 6, the brush 17, the slide block 14 and the screw rod 13, the installation plate 6 is provided with the slide block 14, and the brush 17 is arranged on the slide block 14, the screw rod 13 is rotatably connected in the slide block 14, the utility model discloses the position of the installation plate 6 front and rear two ends inside surface is provided with the slide groove 11, and its position mainly provides a stable movement track for cleaning assembly, and the installation plate 6 is as the basic component of whole device, and the position of its front and rear two ends inside makes cleaning assembly can be located the front and rear two sides of numerical control cutter, and the cutter surface is cleaned conveniently, and the existence of slide groove 11 ensures that the movement of cleaning assembly is in a specific plane and corresponds with the position of cutter, and provides a stable guide for the movement of the slide block 14 and the cleaning action of the brush 17 of subsequent screw rod 13 to cutter, guarantees the accuracy and stability of cleaning action, the inside rotation of slide groove 11 is connected with the screw rod 13, and this position makes the screw rod 13 can stably rotate in the range defined by slide groove 11, and the screw rod 13 is as the power transmission component of cleaning assembly, and its rotation is the key of driving the left and right sliding of slide block 14, by rotating in the slide groove 11, the screw rod 13 can utilize its thread structure and slide block 14 cooperation, and the rotary motion is converted into the linear motion of slide block 14, to drive the brush 17 left and right movement on the cutter surface, realize the cleaning of cutter surface, and, the rotary connection of screw rod 13 in slide groove 11 guarantees the linearity and stability of cleaning action, avoids the shaking or deviation of brush 17 during cleaning process, and one end of screw rod 13 is connected with motor through the shaft, and the output of motor is fixedly connected with screw rod 13 through the shaft, and this connection makes motor can effectively transmit power to screw rod 13, and motor is as power source, and drives screw rod 13 to rotate through the connection of the shaft, and the position of motor and the connection mode of screw rod 13 guarantee the stability and accuracy of power transmission, can accurately control the rotation direction and speed of screw rod 13, by controlling the rotation of motor, can control the rotation of screw rod 13, and then realize the control of slide block 14 movement, to flexibly adjust the cleaning position and cleaning range of brush 17 on the cutter surface, provide power support for the cleaning work of numerical control cutter, and it is the key part of realizing the automatic cleaning of cleaning assembly.

[0034] In the utility model embodiment, the screw rod 13 surface is connected with the sliding block 14 threadedly, the connecting mode makes the rotary motion of the screw rod 13 can be converted into the linear motion of the sliding block 14, when the screw rod 13 rotates under the drive of the motor, due to the action of the thread, the sliding block 14 will move along the axial direction of the screw rod 13, and this position relation is the key link for the cleaning assembly to realize the cleaning action, by accurately controlling the rotation angle and direction of the screw rod 13, the position of the sliding block 14 on the screw rod 13 can be accurately controlled, so that the sliding block 14 drives the brush 17 to reach different positions on the cutter surface, realizes the comprehensive and accurate cleaning of the cutter surface, the sliding block 14 is slidably connected in the sliding slot 11, mainly plays the role of guiding and stable motion, and the sliding slot 11 provides a fixed motion track for the sliding block 14, ensures that the motion direction of the sliding block 14 is left and right sliding along the front and back direction of the cutter, and this position relation makes the sliding block 14 be able to move linearly in a stable plane under the drive of the screw rod 13, avoids the deviation or shaking of the sliding block 14 due to the rotation of the screw rod 13 or other external factors, so as to ensure that the brush 17 connected with the sliding block 14 can clean the surface of the numerical control cutter with stable posture and trajectory, improves the consistency and reliability of the cleaning effect.

[0035] The utility model discloses a slider 14 one side surface fixed welding electric push rod 15, make electric push rod 15 can be along with slider 14 together under the drive of screw rod 13 left and right movement, slider 14 as electric push rod 15's support and mobile carrier, its position determines that electric push rod 15 is in the horizontal position in the device, and this kind of connecting mode guarantees that electric push rod 15 can move to the suitable position in the front and back direction of numerical control cutter, provides the basis for the subsequent cutter different position cleaning work, simultaneously, fixed welding connecting mode ensures that the connection between electric push rod 15 and slider 14 is firm and reliable, and the situation of loosening or position deviation does not appear in the cleaning process, thereby guarantee the stability and reliability of cleaning device whole, the telescopic end fixed connection connecting block 16 of electric push rod 15, and this kind of connecting mode makes electric push rod 15 can pass the telescopic movement of itself to connecting block 16, and electric push rod 15 controls the position of connecting block 16 through telescopic, thereby can adjust the distance between the brush 17 of connecting block 16 inboard surface and numerical control cutter surface, and the telescopic function of electric push rod 15 provides the flexible position adjustment ability of brush 17, makes it can adapt to different size and shape cutter, ensures that brush 17 can closely adhere to the cutter surface, reaches good cleaning effect, and connecting block 16 is designed as semicircle arc, and this shape is to better adhere to the outer circumferential surface of numerical control cutter, since cutter is usually cylindrical or has a certain radian shape, and semicircle arc connecting block 16 can increase the contact area with cutter surface, and this shape makes that brush 17 can effectively cover and clean along the circumferential direction of cutter when cleaning cutter surface, avoids appearing cleaning dead angle, thereby improves cleaning efficiency and cleaning quality, and the brush 17 is arranged on the inboard surface of connecting block 16, and this position makes that brush 17 can directly contact with the outer surface of numerical control cutter, when electric push rod 15 pushes connecting block 16 and makes brush 17 adhere to cutter surface, and slider 14 drives electric push rod 15 and brush 17 to slide left and right, brush 17 can clean cutter surface, and the position of brush 17 determines that it is the direct tool of cleaning cutter surface debris, and its close contact and relative movement with cutter surface can effectively remove the impurities on cutter surface, guarantees the cleanliness of cutter surface when carrying out hardness detection, improves detection precision.

[0036] Working principle: first, the shape of the irregular numerical control tool through the inner ring 8, at this time the numerical control tool is located in the inner ring 8 space, and is located between the four sliding rods 9, start fixed in the outer ring 7 inside the motor, the motor drives the gear 12 rotation, because the gear 12 and sliding rod 9 one side surface of the tooth pattern meshing, gear 12 rotation will be converted into the linear motion of sliding rod 9, with the rotation of the gear 12, four sliding rods 9 will be in the inner ring 8 and the outer ring 7 inside along the respective direction back and forth sliding, because the sliding rod 9 inside is arc and is provided with the protective pad 10, in the sliding process, four sliding rods 9 will gradually close to the outer surface of the numerical control tool, protective pad 10 can not only prevent scratching numerical control tool, but also can provide certain friction force, when four sliding rods 9 all with the outer surface contact and exert enough pressure, the realization of the shape of the irregular numerical control tool fixed, at this time, the numerical control tool is stably fixed in the space surrounded by four sliding rods 9, prevent the numerical control tool position offset, improve the accuracy of hardness detection, start electric push rod 15, its role is to push the brush 17, make it closely with the outer surface of the tool, then, open the motor, the motor operation will drive the screw 13 rotation, because the screw 13 rotation, and the sliding block 14 connected with it will along the path of the screw 13 left and right sliding, and the sliding block 14 again drive the brush 17 together with the movement, in this way, the brush 17 can along the direction of the screw 13 in the tool surface left and right back and forth cleaning action, through this way, can effectively reduce the attachment of the tool surface debris, so operation, to the greatest extent, eliminates the debris this possible interference detection result factor, so that the hardness detection can more accurately reflect the actual real hardness of the tool, finally, start the output end of the hydraulic rod 3 downward extension, and drive the hardness detector 4 and detection head 5 downward movement, through the detection head 5 on the hardness of the tool detection.

Claims

1. A hardness detection device for CNC tool production, comprising: The base (1) is characterized in that: the upper end surface of the base (1) is fixedly connected with an L-shaped plate (2), the upper end of the L-shaped plate (2) is embeddedly connected with a hydraulic rod (3), the output end of the hydraulic rod (3) is fixedly connected with a hardness detector (4), the bottom of the hardness detector (4) is provided with a detection head (5), the upper end of the base (1) is fixedly connected with a mounting plate (6) through a connecting rod, the left and right ends of the mounting plate (6) are provided with clamping assemblies, and the front and rear ends of the mounting plate (6) are provided with cleaning assemblies. The clamping assembly comprises an outer ring (7) embeddedly connected to the left and right ends of the mounting plate (6), an inner ring (8) fixedly connected inside the outer ring (7), and a sliding rod (9) slidably connected inside the outer ring (7) and the inner ring (8). The cleaning assembly comprises a sliding groove (11) formed in the inner side surface of the front and rear ends of the mounting plate (6), a lead screw (13) rotatably connected inside the sliding groove (11), a sliding block (14) threadedly connected to the surface of the lead screw (13), an electric push rod (15) fixedly mounted on one end surface of the sliding block (14), and a connecting block (16) fixedly connected to the telescopic end of the electric push rod (15).

2. The hardness detection device for numerical control tool production according to claim 1, characterized in that: The mounting plate (6) is embeddedly connected with an outer ring (7) at the left and right ends, and the outer ring (7) is respectively distributed at the middle positions of the left and right ends of the mounting plate (6).

3. The hardness detection device for numerical control tool production according to claim 1, characterized in that: The sliding rod (9) penetrates through the outer ring (7) and the inner ring (8) and is slidably connected with the outer ring (7) and the inner ring (8), respectively.

4. The hardness detection device for numerical control tool production according to claim 3, characterized in that: The inner side surface of the sliding rod (9) is arc-shaped and provided with four sliding rods (9) distributed in the annular space between the outer ring (7) and the inner ring (8), and the annular space is equally divided into four areas in the circumferential direction, one sliding rod (9) is arranged in each area, and the side surface of the sliding rod (9) is provided with a tooth.

5. The hardness detection device for numerical control tool production according to claim 1, characterized in that: The inner side surface of the sliding rod (9) is provided with a protective pad (10), and the side of the sliding rod (9) provided with the tooth is engagedly connected with a gear (12), and the inner side of the gear (12) is connected with a motor through a rotating shaft, and the motor is fixedly mounted inside the outer ring (7).

6. The hardness detection device for numerical control tool production according to claim 1, characterized in that: The inner side surface of the mounting plate (6) is provided with a sliding groove (11), and the sliding groove (11) is rotatably connected with a lead screw (13).

7. The hardness detection device for numerical control tool production according to claim 1, characterized in that: The surface of the lead screw (13) is threadedly connected with a sliding block (14), and the sliding block (14) is slidably connected inside the sliding groove (11). The side surface of the sliding block (14) is fixedly welded with an electric push rod (15), the telescopic end of the electric push rod (15) is fixedly connected with a connecting block (16), the connecting block (16) is semicircular arc-shaped, and the inner side surface of the connecting block (16) is provided with a brush (17).

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