CN214519191U - Cutter grinding degree measuring device - Google Patents

Abstract

A cutter grinding degree measuring device comprises a frame, a positioning assembly, a camera assembly, a relative movement assembly, a separation component, a cleaning assembly and a controller; the separating component divides the area on the frame into a front area and a rear area, the cutter is ground in the front area, and the separating component can prevent flying chips and oil mist generated by grinding the cutter from entering the rear area; the camera shooting device comprises a frame, a camera shooting component, a relative moving component, a cleaning component, a cutter, a lens shooting component, a cutter, a lens shooting cutter, a camera shooting component and a cleaning component, wherein the relative moving component is positioned relative to the frame, the cleaning component is positioned on the camera shooting component, the camera shooting component and the cleaning component move to the front side area from the rear side area together under the driving action of the relative moving component, the cleaning component simultaneously cleans the cutter and the lens of the camera shooting component, the cutter shoots the lens after the cleaning is finished, and the camera shooting component and the cleaning component retract to the rear side area together after the shooting is finished; and transmitting the shot image to a controller for analysis and processing to obtain the grinding data of the cutter.

Description

Cutter grinding degree measuring device

Technical Field

The utility model relates to a cutter grinding device, the device that is arranged in survey cutter grinding device to grind the degree in concretely relates to cutter grinding device.

Background

In the traditional cutter grinding equipment, after grinding of a cutter is finished, an operator needs to take out the cutter to manually measure the size of the cutter, and the size is compared with the size before grinding of the cutter for measurement, so that the measurement speed is low, and the machining efficiency is influenced; moreover, the manual comparison method has sensory errors and measurement errors, and for the cutter with higher precision requirement, the cutter cannot be ground in place due to error accumulation, so that the use of the subsequent cutter is influenced.

The present invention discloses a CCD full-automatic high-precision needle grinding machine and a needle grinding control method, wherein a CCD camera is used to capture images of a tool before and after grinding, and the grinding degree of the tool is determined by comparing the dimensions of the tool in the images, and a technical feature of determining the grinding degree of the needle is disclosed, in which a CCD camera is used to capture an image of the ground needle, and the image is uploaded to a processing module for comparison, so that the image of the workpiece to be processed is captured by the CCD camera or a similar industrial camera to determine the processing degree of the workpiece.

However, in order to solve the problem that the imaging is often disturbed by the flying chips and the oil mist generated during the machining process of the machine tool by using the CCD camera in the machine tool, an invention patent with application No. 201580074536.0 discloses a tool shape measuring apparatus and a machine tool, in which a reflected light source irradiates the tool, and the camera captures an image formed by combining a shadow generated by the tool itself and a bright background around the tool contour, thereby reducing the influence of the flying chips and the oil mist on the imaging.

However, no matter the existing CCD camera shooting technology (i.e. patent of invention with application number 201811609083.9), or the influence of flying chips and oil mist on the shooting effect is reduced by an improved means of reflecting light (i.e. patent of invention with application number 201580074536.0), the camera and the shooting object (punch pin or cutter) are always located in the same space, and in these machine tools using the CCD camera, the operation process of shooting the object (such as cutter replacement) occupies most of the whole machine tool working process, and the yield of flying chips and oil mist in the space where the shooting object is located is large, so even if the improvement processing is performed, the CCD camera is difficult to avoid being influenced, and the effect is not satisfactory; and not only camera, the shooting object itself also can be stained with flying chip and oil mist, produces great influence to the shooting effect, but prior art has not proposed the solution to this problem.

Therefore, how to solve the above-mentioned deficiencies of the prior art is a problem to be solved by the present invention.

Disclosure of Invention

The utility model aims at providing a cutter grinding degree survey device, for reaching above-mentioned purpose, the utility model discloses a technical scheme be:

a cutter grinding degree measuring device comprises a rack, a positioning assembly and a camera assembly, wherein the rack is an assembly base of the positioning assembly, a clamping part for positioning a cutter is arranged in the positioning assembly, a grinding part is arranged on the clamping part, and the camera assembly is provided with a lens for shooting;

the cutter grinding degree measuring device also comprises a relative movement component, a separation component, a cleaning component and a controller;

the relative movement assembly is positioned relative to the rack, the camera shooting assembly and the positioning assembly move relatively on the rack under the driving action of the relative movement assembly, the lens moves close to or far away from the grinding part relative to the grinding part in the movement process, and in the movement track of the lens relative to the grinding part, the position of the lens far away from the grinding part is an initial position, and the position of the lens close to the grinding part is an end position;

the separating component is arranged between the lens and the grinding position at the initial position in a separating way, an inlet and an outlet which are positioned in the moving track are arranged on the separating component, and a door which can be opened and closed is positioned on the inlet and the outlet;

the cleaning component is connected with the camera shooting component in a positioning way, so that the cleaning component and the camera shooting component move synchronously relative to the positioning component; the cleaning assembly is internally provided with a main air injection hole and an auxiliary air injection hole which are communicated with an air source, the main air injection hole always faces the lens, and when the lens is positioned at the end point, the auxiliary air injection hole faces the grinding part;

the controller is used for controlling the action of the relative movement assembly and acquiring and analyzing the image shot by the camera assembly.

Furthermore, the separating part is a protective cover which is provided with a blocking surface, the area on the rack is divided into a front area and a rear area by taking the blocking surface as a boundary;

the positioning component is positioned in the front side area; under the driving action of the relative movement component, the lens reciprocates between a back side area and a front side area;

the protective cover is provided with an inlet and an outlet for the lens to pass through, an oil-proof door curtain is arranged on the front side of the inlet and the outlet, the upper side of the oil-proof door curtain is rotatably connected with the protective cover, and a rotating shaft of the oil-proof door curtain is parallel to the horizontal plane, so that the oil-proof door curtain is opened and closed.

Further, the camera shooting assembly comprises a propelling block and a camera;

the camera is provided with a lens for shooting, and the lens is positioned at the front end of the propelling block;

the propelling block moves in the front-back direction under the driving action of the relative movement assembly, and the front end of the propelling block can prop open the oil-proof door curtain in the moving process.

Further, the cleaning assembly comprises a cleaning spray head;

the cleaning nozzle is fixed at one end of the propelling block close to the lens, and a main jet hole and an auxiliary jet hole which are connected with an air source are formed in the cleaning nozzle;

when the lens is at the initial position, the cleaning nozzle and the propelling block are both positioned in the rear area; when the lens is at the end position, the cleaning nozzle and the propelling block are both positioned in the front area, and the lens is close to the grinding position and the auxiliary gas injection hole of the cleaning nozzle faces the grinding position; the main air injection hole always corresponds to the lens in the moving process.

Furthermore, the lower end of the cleaning spray head is of a V-shaped structure, the V-shaped structure is provided with a front inclined plane and a rear inclined plane, a main jet hole is formed in the rear inclined plane, an auxiliary jet hole is formed in the front inclined plane and corresponds to the lens, and the auxiliary jet hole is used for cleaning a grinding part.

Further, the cleaning assembly further comprises an air path;

the gas circuit is arranged in the propelling block, one end of the gas circuit is connected with a gas source, and the other end of the gas circuit is connected with the cleaning spray head; the main gas injection hole and the auxiliary gas injection hole are communicated with the gas circuit in a parallel connection mode.

Furthermore, an air cylinder is positioned on the relative movement assembly and pushes the camera shooting assembly to move close to or far away from the grinding part.

Further, the front-back direction is defined as an X-axis direction, the direction vertical to the X-axis direction in a horizontal plane is a Y-axis direction, and the axial direction vertical to the XY plane is a C-axis direction;

the relative movement assembly further comprises an X-axis movement mechanism, a Y-axis movement mechanism and a C-axis rotation mechanism;

the cylinder is positioned relative to the X-axis moving mechanism, the camera shooting assembly is arranged in a sliding manner relative to the X-axis moving mechanism, the X-axis moving mechanism synchronously drives the cylinder, the camera shooting assembly and the cleaning assembly to move back and forth relative to the rack, and the cylinder synchronously drives the camera shooting assembly and the cleaning assembly to move back and forth relative to the X-axis moving mechanism;

the Y-axis moving mechanism is positioned in front of the X-axis moving mechanism, the C-axis rotating mechanism is arranged on the Y-axis moving mechanism, and the positioning component is positioned relative to the C-axis rotating mechanism, so that the positioning component is driven by the C-axis rotating mechanism to rotate along the C axis on one hand, and driven by the Y-axis moving mechanism to move along the Y axis on the other hand.

Further, the cutter grinding degree measuring device also comprises a grinding assembly;

the grinding assembly is positioned relative to the X-axis moving mechanism and comprises a motor and a grinding wheel, and the grinding wheel is arranged on the front side of the grinding assembly and is driven by the motor to rotate;

on the X-axis moving mechanism, the separating component is arranged between the grinding wheel and the motor in a spaced mode, and the separating component moves along the front-back direction synchronously along with the grinding assembly.

The relevant content in the above technical solution is explained as follows:

1. in the above scheme, a clamp matched with the tool is arranged in the positioning assembly, and the space where the tool is located in the clamped and positioned state is a clamping part; when the cutter is ground, the cutting edge is ground respectively in the radial direction and the axial direction, and the position of the ground cutting edge corresponding to the position in the clamping part is a grinding position.

2. In the above scheme, the relative movement assembly is used for causing the camera assembly and the positioning assembly to generate relative movement so as to cause the lens to approach or depart from the grinding position;

the specific motion mode can be that the camera shooting assembly is driven to move, and the positioning assembly is not moved; or the positioning component can be driven to move, and the camera shooting component is not moved; the positioning component and the camera shooting component can move simultaneously; any moving method may be used as long as the lens can move close to or away from the grinding part;

the preferable scheme is that in the shooting state, the cutter is not moved, and the camera shooting assembly moves close to or far away from the position of the part of the cutter to be ground.

3. In the scheme, the separating component is used for separating the camera shooting component and the positioning component in two different areas, so that flying chips and oil mist generated during grinding of a cutter in the positioning component are prevented from polluting a lens, and a shot image is not clear;

because the lens is required to face the grinding part in a shooting state, the partition part is provided with an inlet and an outlet, and the lens passes through the inlet and the outlet and is positioned in the same space with the positioning assembly;

the inlet and the outlet are provided with openable doors which can be oil-proof door curtains, and the upper sides of the oil-proof door curtains are rotatably connected with the separating parts; the door can also be a baffle plate which can rotate on the surface of the separation part, and the baffle plate can block or open the inlet and the outlet under the drive of the motor; the door can also be a spring plate, the lower side of the spring plate is rotationally connected with the separating part, on one hand, the lower side of the spring plate is rotationally connected with the separating part, on the other hand, the spring plate is elastically connected with the separating part through a torsion spring, when the camera shooting assembly jacks the spring plate, the spring plate is opened, and when the camera shooting assembly leaves, the spring plate returns under the action of the torsion spring;

the preferred scheme is grease proofing door curtain, and the subassembly of making a video recording can back open grease proofing door curtain at the removal in-process and make exit open, and when the subassembly of making a video recording left, because the upside and the partition member of grease proofing door curtain rotate to be connected, grease proofing door curtain receives gravity to influence self-closing to exit, and simple structure and grease proofing effectual.

4. In the above scheme, clean subassembly location sets up on the subassembly of making a video recording, follows the camera lens and removes to this main jet orifice is towards the camera lens all the time, and when the camera lens was towards the cutter, vice jet orifice also towards the cutter, and clean subassembly is ventilated and can be clean camera lens and cutter simultaneously, and clean subassembly and a actuating mechanism of subassembly sharing of making a video recording like this not only simplify the structure, can also make main jet orifice and vice jet orifice homoenergetic realize accurate location.

5. In the above scheme, the partition member is arranged on the rack to divide the area on the rack into a front area and a rear area, the partition member may implement area division alone, or the partition member cooperates with other component housings on the rack to implement area division;

preferably, the partition member is a shield which is capable of blocking the flying debris and the oil mist in the front region so that the camera module is not affected in the rear region.

The working principle of the utility model is as follows:

a cutter grinding degree measuring device comprises a frame, a positioning assembly, a camera assembly, a relative movement assembly, a separation component, a cleaning assembly and a controller; the separating component divides the area on the frame into a front area and a rear area, the cutter is ground in the front area, and the separating component can prevent flying chips and oil mist generated by grinding the cutter from entering the rear area; the camera shooting device comprises a frame, a camera shooting component, a relative moving component, a cleaning component, a cutter, a lens shooting component, a cutter, a lens shooting cutter, a camera shooting component and a cleaning component, wherein the relative moving component is positioned relative to the frame, the cleaning component is positioned on the camera shooting component, the camera shooting component and the cleaning component move to the front side area from the rear side area together under the driving action of the relative moving component, the cleaning component simultaneously cleans the cutter and the lens of the camera shooting component, the cutter shoots the lens after the cleaning is finished, and the camera shooting component and the cleaning component retract to the rear side area together after the shooting is finished; and transmitting the shot image to a controller for analysis and processing to obtain the grinding data of the cutter.

The utility model has the advantages as follows:

under the non-shooting state, the cutter and the camera shooting assembly are not in the same space, flying chips and oil mist generated by grinding of the cutter cannot pollute a lens, and cannot enter the camera shooting assembly to cause failure, so that the service life of the camera shooting assembly is prolonged, and the maintenance frequency is reduced.

And secondly, the cleaning assembly moves to the space where the cutter is located along with the shooting assembly in the shooting state, on one hand, the cleaning assembly cleans flying chips and oil mist which are infected on the cutter, on the other hand, the cleaning assembly cleans the flying chips and the oil mist on the lens, the influence of the flying chips and the oil mist on the shooting effect is reduced, and the cutter size distortion analyzed in the image is avoided.

Drawings

Fig. 1 is a perspective view of a device for measuring a grinding degree of a cutter when the cutter is in a first state and a lens is at an initial position according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a perspective view of the device for measuring the grinding degree of a tool when the tool is in a first state and the lens is located at the end position according to the embodiment of the present invention;

FIG. 4 is an enlarged view of a portion B of FIG. 4;

fig. 5 is a perspective view of the device for measuring the grinding degree of a tool when the tool is in a second state and the lens is located at the end position according to the embodiment of the present invention;

FIG. 6 is an enlarged view of a portion C of FIG. 5;

fig. 7 is a top view of the device for measuring the grinding degree of the cutting tool when the lens is at the initial position according to the embodiment of the present invention;

fig. 8 is a top view of the device for measuring the grinding degree of the cutting tool when the lens is located at the end position according to the embodiment of the present invention;

fig. 9 is a perspective view of a camera assembly and a cleaning assembly in an embodiment of the present invention;

fig. 10 is a bottom view of the cleaning head in an embodiment of the present invention;

fig. 11 is a cross-sectional view corresponding to the cross-sectional symbol B-B in fig. 10.

In the above drawings: 1. a frame; 2. a positioning assembly; 201. grinding the part; 202. a cutter; 3. a camera assembly; 301. a lens; 302. a propulsion block; 303. a focusing knob; 304. an oil-proof plate; 4. a partition member; 401. an inlet and an outlet; 402. a blocking surface; 403. an oil-proof door curtain; 5. a grinding assembly; 501. a motor; 502. grinding a grinding wheel; an X-axis moving mechanism; a Y-axis moving mechanism; a C-axis rotating mechanism; 9. cleaning the spray head; 901. a main jet hole; 902. a secondary air injection hole; 903. a rear bevel; 904. a front bevel; 10. a gas circuit; 1001. an intake valve; 11. a front side region; 12. a posterior region; 13. other component housings; 14. and a cylinder.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

the present disclosure will be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the disclosure may be shown and described, and which, when modified and varied by the techniques taught herein, can be made by those skilled in the art without departing from the spirit and scope of the disclosure.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. The singular forms "a", "an", "the" and "the", as used herein, also include the plural forms.

The terms "first," "second," and the like, as used herein, do not denote any order or importance, nor do they denote any order or importance, but rather are used to distinguish one element from another element or operation described in such technical terms.

As used herein, "connected" or "positioned" refers to two or more elements or devices being in direct physical contact with each other or in indirect physical contact with each other, and may also refer to two or more elements or devices being in operation or acting on each other.

As used herein, the terms "comprising," "including," "having," and the like are open-ended terms that mean including, but not limited to.

As used herein, the term (terms), unless otherwise indicated, shall generally have the ordinary meaning as commonly understood by one of ordinary skill in the art, in this written description and in the claims. Certain words used to describe the disclosure are discussed below or elsewhere in this specification to provide additional guidance to those skilled in the art in describing the disclosure.

The terms "front", "rear", "upper", "lower", "left" and "right" used herein are directional terms, and are used only for describing the positional relationship between the structures, and are not intended to limit the specific direction of the protective reaction and the practical implementation of the present invention.

Example (b): referring to fig. 1 to 11, a tool grinding degree measuring apparatus includes a frame 1, a relative movement assembly, a grinding assembly 5, a partition member 4, a positioning assembly 2, a camera assembly 3, a cleaning assembly, and a controller;

as shown in fig. 1, the frame 1 is a mounting base for the grinding assembly 5, the relative movement assembly, the positioning assembly 2 and the camera assembly 3.

The relative movement assembly comprises an air cylinder 10, an X-axis movement mechanism 6, a Y-axis movement mechanism 7 and a C-axis rotation mechanism 8;

defining the front-back direction as an X-axis direction, defining the direction vertical to the X-axis direction in a horizontal plane as a Y-axis direction, and defining the axial direction vertical to the XY plane as a C-axis direction;

the Y-axis moving mechanism 7 is positioned in front of the X-axis moving mechanism 6, the X-axis moving mechanism 6 and the Y-axis moving mechanism 7 are ball screw modules driven by a motor 501, and the grinding assembly 5 and the camera assembly 3 are both arranged on a screw nut of the X-axis moving mechanism 6;

the C-axis rotating mechanism 8 is arranged on the Y-axis moving mechanism 7, the positioning assembly 2 is positioned on the C-axis rotating mechanism 8, and therefore the positioning assembly 2 is driven by the C-axis rotating mechanism 8 to rotate along the C axis on one hand and driven by the Y-axis moving mechanism 7 to move along the Y axis on the other hand;

the cylinder 10 is positioned relative to the X-axis moving mechanism 6, the X-axis moving mechanism 6 synchronously drives the cylinder 10, the camera shooting component 3 moves back and forth relative to the frame 1, and the cylinder 10 drives the camera shooting component 3 to move back and forth relative to the X-axis moving mechanism 6.

The grinding assembly 5 comprises a motor 501 and a grinding wheel 502, wherein the motor 501 is positioned on a lead screw nut of the X-axis moving mechanism 6, and the grinding wheel 502 is arranged on the front side of the grinding assembly 5 and is driven by the motor 501 to rotate.

As shown in fig. 1 to 8, the partition member 4 is a shield which is provided between the grinding wheel 502 and the motor 501, and has a blocking surface 402 defined by the blocking surface 402, and the housing 1 is divided into a front area 11 and a rear area 12 to block the flying chips and the oil mist from entering the rear area 12 from the front area 11; the partition part 4 can realize the area division alone, or the partition part 4 can realize the area division by matching with other part shells 13 on the rack;

an inlet and an outlet 401 are arranged on the protective cover, an oil-proof curtain 403 is arranged on the front side of the inlet and the outlet 401, the upper side of the oil-proof curtain 403 is rotatably connected with the protective cover, and the rotating shaft of the oil-proof curtain is along the Y-axis direction.

The positioning assembly 2 is positioned on the C-axis rotating mechanism 8 and can move along the Y-axis and rotate along the C-axis, a clamping part for positioning a shot object, namely a chuck for clamping the cutter 202 is arranged on the positioning assembly 2, the cutter 202 is positioned in the chuck, a cutting edge on the cutter 202 is a grinding object, and the position of the cutting edge in the positioning assembly 2 is a grinding part 201;

the positioning unit 2 moves along the Y axis in the front region 11, and moves the tool 202 to a position where the grinding wheel 502 can grind the tool, and the positioning state of the tool 202 when the axis of the tool 202 is along the Y axis direction is the first state, and the positioning state of the tool 202 when the axis of the tool 202 is along the X axis direction is the second state after the C-axis rotation mechanism 8 rotates along the C axis;

when the tool 202 is in the first state, the grinding wheel 502 grinds the tool 202 in the radial direction of the tool 202, and when the tool 202 is in the second state, the grinding wheel 502 grinds the tool 202 in the axial direction of the tool 202.

As shown in fig. 9, the camera assembly 3 includes a pushing block 302, an oil-proof plate 304 and two cameras;

the air cylinder 10 is positioned on a lead screw nut of the X-axis moving mechanism 6, and the propelling block 302 moves along the X axis under the action of the air cylinder 10;

the camera has a lens 301 for shooting and a focus knob 303 for adjusting focal length, the focal lengths of the two cameras are different, one camera has a longer focal length and is used for shooting the tool 202 with a smaller diameter, and the other camera has a shorter focal length and is used for shooting the tool 202 with a larger diameter, for example: when the diameter of the tool 202 is 1mm to 8mm, the tool 202 is far away from the camera due to the influence of the size of the tool 202, the camera with a longer focal length shoots the tool 202, when the diameter of the tool 202 is 8mm to 20mm, the tool 202 is closer to the camera due to the larger size under the condition that the position of the clamping part is unchanged, and the camera with a shorter focal length shoots the tool 202;

the focal length of the camera can be a fixed value which is adjusted in advance, and the fixed focal length is adopted, so that the proportion of images shot before and after grinding is consistent, and errors in the measured size change value of the cutter 202 caused by the change of the size proportion of the images are reduced; the focal length can also be a variable value controlled by a controller, when the focal length is adjustable, the moving value of the cylinder 10 driving the propelling block 302 is a fixed value, and the controller needs to adjust the size of the image according to the focal length after obtaining the shot image, so as to ensure the proportion of the image to be consistent;

the two cameras penetrate through the pushing block 302 along the front-back direction, lenses 301 of the two cameras are embedded at the front end of the pushing block 302, and the focusing knobs 303 are located at the rear end of the pushing block 302;

the oil-proof plate 304 covers the outer side of the focusing knob 303 and is used for blocking flying chips and oil mist;

during the movement of the propelling block 302, the lens 301 moves along with the propelling block 302, the lens 301 has an initial position and an end position, when the lens 301 is at the initial position, the whole image pickup assembly 3 is located in the rear area 12, and when the lens 301 is at the end position, the lens 301 is located in the front area 11;

the entrance 401 is located on the moving track of the propelling block 302, when the propelling block 302 is pushed by the cylinder 10 and moves from the rear area 12 to the front area 11 to pass through the entrance 401, the propelling block 302 can push the oil-proof door curtain 403 open, and the propelling block 302 always pushes the oil-proof door curtain 403 to keep the oil-proof door curtain 403 open in the shooting process; when the pusher block 302 is retracted from the front region 11 to the rear region 12 and leaves the access opening 401, the curtain 403 closes automatically under the influence of gravity, and in the closed state the curtain 403 prevents oil mist from passing through the access opening 401, thereby protecting the camera.

As shown in fig. 9 to 11, the cleaning assembly includes a gas path and a cleaning nozzle 9; the gas path is arranged in the propelling block 302, one end of the gas path is a gas inlet end, the gas inlet end is a gas inlet valve 1001 connected with a gas source, and the other end of the gas path is a gas outlet end connected with the cleaning nozzle 9; the cleaning nozzle 9 is positioned at the front end of the propelling block 302 and at the front side of the lens 301, the lower end of the cleaning nozzle is in a V-shaped structure, the V-shaped structure is provided with a front inclined plane 904 and a rear inclined plane 903, the rear inclined plane 903 is provided with two main air injection holes 901, the front inclined plane 904 is provided with two auxiliary air injection holes 902, the two main air injection holes 901 and the two auxiliary air injection holes 902 are communicated with an air path in a parallel connection mode, the two main air injection holes 901 are always arranged corresponding to the lenses 301 of the two cameras respectively, and the two auxiliary air injection holes 902 are used for cleaning the cutter 202;

when the lens 301 is in the initial position, the cleaning assembly and the image pickup assembly 3 are both located in the rear region 12; when the pushing block 302 passes through the oil-proof door curtain 403, the cleaning nozzle 9 pushes the oil-proof door curtain 403 open to prevent the oil-proof door curtain 403 from scratching the lens 301; when the lens 301 is located at the end position, the lens 301 of the camera is close to the cutter 202 and the sub air injection holes 902 of the cleaning head 9 face the cutter 202.

The controller, such as a computer connected to a frequency converter, has a processor and a memory therein for controlling the movement of each motor 501 and cylinder 10, and acquiring the images taken by the camera and deriving the dimension value of the tool 202 therefrom.

The working process of the tool 202 grinding degree comparison device is as follows:

the first step is as follows: referring to fig. 1 and 2, the Y-axis moving mechanism 7 drives the positioning assembly 2 to move along the Y-axis, so that the grinding part 201 is aligned with the grinding wheel 502 in the front-back direction; at this time, the cutter 202 is in the first state, the pushing block 302 is in the initial position, and the oil-proof door curtain 403 on the protective cover is in the closed state;

the second step is that: referring to fig. 3 and 4, the cylinder 10 drives the propelling block 302 to move forward from the initial position, and the controller controls the movement of the propelling block 302 so that when the propelling block 302 reaches the end position, the shooting distance is a fixed value a, for example, a is 8 mm; when the propelling block 302 reaches the end position, the air source is connected, high-pressure air is sprayed out from the cleaning spray head 9, the lens 301 is cleaned by the air sprayed from the main air spraying hole 901, and the cutter 202 is cleaned by the air sprayed from the auxiliary air spraying hole 902, so that flying chips and oil mist attached to the lens 301 and the cutter 202 and floating in a shooting area where the air flow can act are removed, and the accuracy of shooting images is ensured; after cleaning, one of the two cameras which is suitable for the size of the cutter 202 shoots the cutter 202 for the first time along the radial direction of the cutter 202 to obtain an image which records the axial size of the cutter 202 before grinding, and the image is transmitted to the controller;

the shooting distance is preset in the controller, and the controller can judge whether the shooting distance reaches a set value according to the image definition degree, or a CCD camera is arranged on the positioning assembly 2 and used for shooting the distance between the camera and the cutter 202, and the image is transmitted to the controller to judge whether the shooting distance is the set value;

the third step: referring to fig. 5 and fig. 6, the C-axis rotating mechanism 8 drives the positioning assembly 2 to rotate, so that the axis direction of the tool 202 is along the X-axis direction, and at this time, the tool 202 is in the second state, and the shooting distance changes due to the change of the positioning state of the tool 202, so that the controller controls the propelling block 302 to move to adjust the shooting distance, so that the shooting distance is a fixed value a; after the cleaning nozzle 9 sprays gas for cleaning, the same camera shoots the cutter 202 for the second time along the axial direction of the cutter 202 to obtain an image recorded with the radial dimension of the cutter 202 before grinding, and the image is transmitted to the controller;

the fourth step: referring to fig. 1 and 2, the cylinder 10 drives the push block 302 to retreat from the end position to the initial position, and the oil curtain 403 is closed; at the moment, the X-axis moving mechanism 6 pushes the grinding assembly 5 to move forwards along the X axis until the grinding wheel 502 is located at a position capable of grinding the cutter 202, the grinding wheel 502 is driven by the motor 501 to rotate, the cutter 202 grinds the main blade in the second state, the axial size of the cutter 202 changes, then the cutter 202 rotates to the first state to continuously grind the auxiliary blade, and the radial size of the cutter 202 changes;

the fifth step: referring to fig. 3 and 4, after the grinding of the tool 202 is finished, the X-axis moving mechanism 6 pushes the grinding assembly 5 to move back to the original position along the X-axis; at the moment, the air cylinder 10 drives the propelling block 302 to move forwards from the initial position again, and the controller controls the moving distance of the propelling block 302, so that when the propelling block 302 reaches the end position, the shooting distance is a fixed value a; when the propelling block 302 reaches the end position, the air source is connected, high-pressure air is sprayed out from the cleaning spray head 9, flying chips and oil mist which are attached to the lens 301 and the cutter 202 and float in a shooting area where air flow can act after the cutter 202 is ground are removed, and the accuracy of shooting images is ensured; the same camera shoots the cutter 202 for the third time along the radial direction of the cutter 202 to obtain an image recorded with the axial size of the cutter 202 after grinding, and the image is transmitted to the controller;

and a sixth step: referring to fig. 5 and 6, the C-axis rotating mechanism 8 drives the positioning assembly 2 to rotate, so that the axial direction of the tool 202 is along the X-axis direction, at this time, the tool 202 is in the second state again, and the shooting distance changes again due to the change of the positioning state of the tool 202, so that the controller controls the propelling block 302 to move to adjust the shooting distance, so that the shooting distance is a fixed value a, the same camera shoots the tool 202 for the fourth time along the axial direction of the tool 202, and an image recording the radial size of the tool 202 after grinding is obtained and transmitted to the controller;

the seventh step: the controller compares the first shot image with the third shot image, or manually compares the first shot image with the third shot image to obtain a dimension change value of the cutter 202 in the axial direction, compares the second shot image with the fourth shot image to obtain a dimension change value of the cutter 202 in the radial direction, and compares the axial dimension change value and the radial dimension change value with preset standard values to judge whether the grinding is in place.

Other embodiments and structural changes of the present invention are described below as follows:

1. in the above embodiment, the number of the cameras may be three or more, the number of the main air injection holes and the number of the auxiliary air injection holes of the corresponding cleaning nozzle are changed correspondingly according to the number of the cutters with different sizes, the number of the main air injection holes may correspond to the number of the lenses, and only one auxiliary air injection hole may be provided; such variations in the number are intended to be included within the present invention as would be understood and accepted by those skilled in the art.

2. In the above embodiments, the X-axis moving mechanism and the Y-axis moving mechanism are both motor-driven ball screw modules, and may also be driving mechanisms formed by cylinders or hydraulic cylinders, as long as the driving mechanisms can drive the camera module and the positioning module to move relatively, all should be included in the present invention, which can be understood and accepted by those skilled in the art.

3. In the above embodiment, the entrance and exit are provided with the openable door, the door can be an oil-proof door curtain, and the upper side of the oil-proof door curtain is rotatably connected with the partition part; the door can also be a baffle plate which can rotate on the surface of the separation part, and the baffle plate can block or open the inlet and the outlet under the drive of the motor; the door can also be a spring plate, the lower side of the spring plate is rotationally connected with the separating part, on one hand, the lower side of the spring plate is rotationally connected with the separating part, on the other hand, the spring plate is elastically connected with the separating part through a torsion spring, when the camera shooting assembly jacks the spring plate, the spring plate is opened, and when the camera shooting assembly leaves, the spring plate returns under the action of the torsion spring; any structure that can be opened and closed is included in the present invention, which can be understood and accepted by those skilled in the art.

4. In the above embodiments, the partition member is disposed on the frame to divide the region on the frame into the front region and the rear region, the partition member may implement region division alone, or cooperate with other component housings on the frame to implement region division, or implement region division by an extension portion of the other component housings, as long as the partition member can block flying debris and oil mist and separate the camera module and the positioning module, and provide an inlet and outlet structure through which a lens can pass, all of which are included in the present invention, and can be understood and accepted by those skilled in the art.

5. In the above embodiment, the relative movement assembly is used for making the camera assembly and the positioning assembly move relatively so as to make the lens close to or far away from the grinding position; the positioning assembly can also be driven to move, and the camera shooting assembly is not moved, so that the cutter passes through the inlet and the outlet to be close to the lens; the positioning component and the camera shooting component can move simultaneously, the cutter or the lens penetrates through the inlet and the outlet, and shooting is started when the cutter or the lens is in the front side area or the rear side area simultaneously; any moving manner, as long as the moving manner enables the lens to approach or depart from the cutter, should be included in the present invention, which can be understood and accepted by those skilled in the art.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (9)

1. A cutter grinding degree measuring device comprises a rack (1), a positioning assembly (2) and a camera assembly (3), wherein the rack (1) is an assembly base of the positioning assembly (2), a clamping part used for positioning a cutter (202) is arranged in the positioning assembly (2), a grinding part (201) is arranged on the clamping part corresponding to the cutter (202), and the camera assembly (3) is provided with a lens (301) used for shooting;

the method is characterized in that:

the cleaning machine also comprises a relative movement assembly, a separation component (4), a cleaning assembly and a controller;

the relative movement assembly is positioned relative to the rack (1), the camera shooting assembly (3) and the positioning assembly (2) move relatively on the rack (1) under the driving action of the relative movement assembly, the lens (301) moves close to or away from the grinding part (201) relative to the grinding part (201) in the movement process, and in the movement track of the lens (301) relative to the grinding part (201), the position of the lens (301) far away from the grinding part (201) is defined as an initial position, and the position of the lens (301) close to the grinding part (201) is defined as an end position;

the separation component (4) is arranged between the lens (301) and the grinding part (201) at the initial position in a separation mode, an inlet and outlet (401) located in a moving track is arranged on the separation component (4), and a door capable of being opened and closed is positioned on the inlet and outlet (401);

the cleaning component is connected with the camera shooting component (3) in a positioning way, so that the cleaning component and the camera shooting component (3) move synchronously relative to the positioning component (2); a main air injection hole (901) and an auxiliary air injection hole (902) which are communicated with an air source are arranged in the cleaning assembly, the main air injection hole (901) faces the lens (301) all the time, and when the lens (301) is located at the end position, the auxiliary air injection hole (902) faces the grinding part (201);

the controller is used for controlling the action of the relative movement assembly and acquiring and analyzing the image shot by the camera assembly (3).

2. The tool grinding degree measuring device according to claim 1, wherein: the separating part (4) is a protective cover which is provided with a blocking surface (402) and is defined by taking the blocking surface (402) as a boundary, and the area on the rack (1) is divided into a front area and a rear area;

the positioning component (2) is positioned in the front side area; under the driving action of the relative movement component, the lens (301) moves back and forth between a back side area and a front side area;

the protective cover is provided with an inlet and an outlet (401) for the lens (301) to pass through, an oil-proof door curtain (403) is arranged on the front side of the inlet and the outlet (401), the upper side of the oil-proof door curtain (403) is rotatably connected with the protective cover, and a rotating shaft of the oil-proof door curtain is parallel to the horizontal plane, so that the oil-proof door curtain (403) is opened and closed.

3. The tool grinding degree measuring device according to claim 2, wherein: the camera shooting assembly (3) comprises a propelling block (302) and a camera;

the camera is provided with a lens (301) for shooting, and the lens (301) is positioned at the front end of the propelling block (302);

the pushing block (302) moves in the front-back direction under the driving action of the relative movement assembly, and the front end of the pushing block (302) can push the oil-proof door curtain (403) open in the moving process.

4. The tool grinding degree measuring device according to claim 3, wherein: the cleaning assembly comprises a cleaning spray head (9);

the cleaning nozzle (9) is fixed at one end of the propelling block (302) close to the lens (301), and a main jet hole (901) and an auxiliary jet hole (902) which are connected with an air source are formed in the cleaning nozzle (9);

when the lens (301) is at the initial position, the cleaning spray head (9) and the propelling block (302) are both positioned in the rear area; when the lens (301) is at the end position, the cleaning spray head (9) and the pushing block (302) are both positioned in the front area, and at the moment, the lens (301) is close to the grinding part (201) and the secondary air injection hole (902) of the cleaning spray head (9) faces the grinding part (201); the main air injection hole (901) corresponds to the lens (301) all the time in the moving process.

5. The tool grinding degree measuring device according to claim 4, wherein: the lower end of the cleaning spray head (9) is of a V-shaped structure, the V-shaped structure is provided with a front inclined plane (904) and a rear inclined plane (903), a main air injection hole (901) is formed in the rear inclined plane (903), an auxiliary air injection hole (902) is formed in the front inclined plane (904), the main air injection hole (901) is arranged corresponding to the lens (301), and the auxiliary air injection hole (902) is used for cleaning a grinding part (201).

6. The tool grinding degree measuring device according to claim 5, wherein: the cleaning assembly further comprises a gas circuit (10);

the air path (10) is arranged in the propelling block (302), one end of the air path (10) is connected with an air source, and the other end of the air path is connected with the cleaning spray head (9); the main air injection hole (901) and the auxiliary air injection hole (902) are communicated with the air passage (10) in a parallel mode.

7. The tool grinding degree measuring device according to claim 1, wherein: and the relative movement assembly is provided with a cylinder (14) in a positioning mode, and the cylinder (14) pushes the camera assembly (3) to move close to or far away from the grinding part (201).

8. The tool grinding degree measuring device according to claim 7, wherein: defining the front-back direction as an X-axis direction, defining the direction vertical to the X-axis direction in a horizontal plane as a Y-axis direction, and defining the axial direction vertical to the XY plane as a C-axis direction;

the relative movement assembly further comprises an X-axis movement mechanism (6), a Y-axis movement mechanism (7) and a C-axis rotation mechanism (8);

the cylinder (14) is positioned relative to the X-axis moving mechanism (6), the camera shooting assembly (3) is arranged in a sliding manner relative to the X-axis moving mechanism (6), the X-axis moving mechanism (6) synchronously drives the cylinder (14), the camera shooting assembly (3) and the cleaning assembly to move back and forth relative to the rack (1), and the cylinder (14) synchronously drives the camera shooting assembly (3) and the cleaning assembly to move back and forth relative to the X-axis moving mechanism (6);

the Y-axis moving mechanism (7) is located in front of the X-axis moving mechanism (6), the C-axis rotating mechanism (8) is arranged on the Y-axis moving mechanism (7), and the positioning assembly (2) is positioned relative to the C-axis rotating mechanism (8), so that the positioning assembly (2) is driven by the C-axis rotating mechanism (8) to rotate along the C axis on one hand, and driven by the Y-axis moving mechanism (7) to move along the Y axis on the other hand.

9. The tool grinding degree measuring device according to claim 8, wherein: the cutter grinding degree measuring device also comprises a grinding assembly (5);

the grinding assembly (5) is positioned relative to the X-axis moving mechanism (6), the grinding assembly (5) comprises a motor (501) and a grinding wheel (502), and the grinding wheel (502) is arranged on the front side of the grinding assembly (5) and driven by the motor (501) to rotate;

on the X-axis moving mechanism (6), the separating component (4) is arranged between the grinding wheel (502) and the motor (501) at intervals, so that the separating component (4) moves along the front and back directions synchronously along with the grinding assembly (5).

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