CN215239917U - Accurate counterpoint grinding mechanism of metallography machine and metallography machine thereof - Google Patents
Accurate counterpoint grinding mechanism of metallography machine and metallography machine thereof Download PDFInfo
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- CN215239917U CN215239917U CN202120431235.1U CN202120431235U CN215239917U CN 215239917 U CN215239917 U CN 215239917U CN 202120431235 U CN202120431235 U CN 202120431235U CN 215239917 U CN215239917 U CN 215239917U
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Abstract
The utility model is suitable for a golden photo processing technology field provides a metallography grinds accurate counterpoint of machine and grinds mechanism, and accurate counterpoint grinds the mechanism and includes: the vertical precision motion module comprises a vertical driving brake motor, a vertical motion device and a measurement feedback device; the corner correction and alignment module comprises a corner correction and alignment driving motor, an alignment connecting device, a rotation transmission device and a sample clamping device; the rotation angle correction alignment driving motor drives the rotation transmission device to rotate; the rotation transmission device drives the sample clamping device to clamp the metallographic section; the corner positioning precision brake module comprises a brake cylinder and a brake assembly, wherein the brake cylinder drives the brake assembly, and the brake assembly is clamped with the alignment connecting device when the controller controls the corner positioning precision brake module. Therefore, the utility model discloses reduce CCD metallography and ground the machine course of working, transmitted the transmission error that the grinding jack catch ground again by the discernment jack catch, improved the grinding precision.
Description
Technical Field
The utility model relates to a metallography piece processing technology field especially relates to a metallography grinds precision alignment grinding mechanism of machine and metallography grinds machine thereof.
Background
The metallographic grinder is used for processing a metallographic section, and after image recognition of the metallographic section is completed by a CCD image processing device of the metallographic grinder, the image is transmitted to the grinding clamping jaws by the recognition clamping jaws to be ground. However, when the metallographic section is transferred between the two jaws, a transfer error is inevitably generated, which causes a reduction in grinding accuracy. Such a process is very disadvantageous for grinding a fine target sample, and the grinding yield of the fine target sample is drastically reduced, even the fine target sample cannot be effectively worked. In order to deal with the grinding of a micro target sample and comply with the trend of the PCB technology to develop to a micro line width node, an alignment grinding integrated structure is required to be adopted, and the final precision of sample grinding is improved. However, the prior art does not solve the problem well.
In view of the above, it is obvious that the prior art has inconvenience and disadvantages in practical use, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
To foretell defect, an object of the utility model is to provide a metallography grinds precision counterpoint of machine and grinds machine thereof solves CCD image processing apparatus and accomplishes the image recognition back to the microsection, transmits the grinding jack catch by the discernment jack catch again and grinds and produce transmission error, causes the problem of the decline of grinding the precision.
In order to achieve the above object, the utility model provides a metallography grinds precision counterpoint of machine and grinds mechanism 100, metallography grinds machine 200 and is used for grinding microsection 201, metallography grinds machine 200 still includes controller and CCD image processing apparatus 202, precision counterpoint grinds mechanism 100 and includes:
the vertical precision motion module 10 comprises a vertical driving brake motor 11, a vertical motion device 12 and a measurement feedback device 13; the vertical driving brake motor 11 drives the vertical movement device 12 to move vertically, the measurement feedback device 13 is mounted on the vertical movement device 12, measures the movement amount of the vertical movement device 12, and feeds the movement amount back to the controller;
the corner deviation rectifying and aligning module 20 comprises a corner deviation rectifying and aligning driving motor 21, an aligning connecting device 22, a rotating transmission device 23 and a sample clamping device 24; the alignment connecting device 22 connects the corner deviation rectifying and aligning module 20 with the vertical precision motion module 10, and connects the corner deviation rectifying and aligning driving motor 21 with the rotation transmission device 23; the rotation angle correction alignment driving motor 21 drives the rotation transmission device 23 to rotate; the rotation transmission device 23 drives the sample clamping device 24 to clamp the metallographic section 201;
the corner positioning precision brake module 30 comprises a brake cylinder 31 and a brake assembly 32, wherein the brake cylinder 31 drives the brake assembly 32, and the brake assembly 32 is arranged at the lower end of the alignment connecting device 22 and is clamped with the alignment connecting device 22 when the controller controls the corner positioning precision brake module 30.
According to the precise alignment grinding mechanism 100, the vertical motion device 12 comprises a vertical module body structure 121, a precise screw rod system 122, a precise linear slide rail 123 and a vertical motion connecting plate 124;
the precise screw rod system 122 and the precise linear slide rail 123 are installed on the vertical module body structure 121, and the vertical motion connecting plate 124 is sleeved on the precise linear slide rail 123;
the vertical driving brake motor 11 drives the precision screw rod system 122 to rotate so as to drive the vertical movement connecting plate 124 to vertically move on the precision linear slide rail 123;
the measurement feedback device 13 measures the amount of movement of the vertical movement connecting plate 124 and feeds back the amount of movement to the controller.
According to the precision alignment grinding mechanism 100, the alignment connection device 22 comprises: aligning the bearing housing 221 and the vertical movement sliding arm 222; the rotation transmission device 23 includes: a rotation shaft 231 and an alignment rotation arm 232 connected to each other; the sample holding device 24 comprises: a linear slide rail 241, an excessive pressurizing buffer 242, a cylinder floating support 243, a jaw cylinder 244 and an alignment grinding jaw 245; the pressurizing excessive buffer device 242 is mounted on the linear slide rail 241, the linear slide rail 241 and the jaw cylinder 244 are mounted on the cylinder floating support 243, and the jaw cylinder 244 drives the alignment grinding jaw 245 to grab the microsection 201;
the rotation angle deviation rectifying and aligning drive motor 21 and the rotating shaft 231 are respectively installed on the aligning bearing seat 221; the vertical movement sliding arm 222 is connected with the vertical movement connecting plate 124; the rotation angle deviation rectifying and aligning driving motor 21 drives the aligning rotating arm 232 to rotate through the rotating shaft 231; the excessive pressurizing buffer 242 slides on the linear slide rail 241; the jaw cylinder 244 drives the alignment grinding jaw 245 to grab the metallographic section 201.
According to the precision alignment grinding mechanism 100, the brake assembly 32 comprises: a locking top sleeve 321, a brake shoe 322 and a brake block 323; the bottom of the alignment rotating arm 232 is provided with an arc-shaped groove 2321, the tail side of the brake shoe 322 is fixed on the alignment bearing seat 221, the head side of the brake shoe is positioned in the arc-shaped groove 2321, and the brake shoe is in double clearance fit with the arc-shaped groove 2321; the brake shoe 322 and the brake block 323 constitute a working coupling, and the coupling surface thereof is formed in a wedge arc shape.
According to the precision alignment grinding mechanism 100, in the initial operating state of the precision alignment grinding mechanism 100, the brake cylinder 31 pushes the brake shoe 323 open by the locking ejector sleeve 321, the brake shoe 322 is separated from the brake shoe 323, and the brake shoe 322 is in the original state; a gap is formed between the brake shoe 322 and the alignment rotating arm 232, and the alignment bearing seat 221 and the alignment rotating arm 232 rotate relatively.
According to the precise alignment grinding mechanism 100, the CCD image processing device 202 identifies the metallographic section 201, the alignment grinding claw 245 grabs the metallographic section 201 for alignment, the corner deviation rectification alignment driving motor 21 drives the alignment rotating arm 232 to be in a preset corner state, the brake cylinder 31 pulls the brake block 323 through the locking top sleeve 321, the brake block 323 is pulled to the brake shoe 322, the coupling surface enables the brake shoe 322 to expand along the diameter direction in two directions, and the brake shoe 322 is clamped and pressed in the arc-shaped groove 2321 of the alignment rotating arm 232.
According to the precision alignment grinding mechanism 100, the sample holding device 24 further comprises a housing cover 246;
the brake shoe 322 is in rigid gapless connection with the contraposition bearing seat 221;
the measurement feedback device 13 is a grating ruler measurement feedback device;
the brake shoe 322 is made of an elastic material.
According to the precise alignment grinding mechanism 100, the controller controls the movement distance of the sample clamping device 24 for clamping the metallographic section 201 according to the movement amount fed back by the measurement feedback device 13.
According to the precision alignment grinding mechanism 100, the vertical precision motion module 10 further includes a first sensor, a first bearing seat and a dust guard;
the corner deviation rectifying and aligning module 20 further includes a second sensor, a bearing and a coupler.
In order to achieve another object of the present invention, the present invention further provides a metallographic grinder 200 including the precision alignment grinding mechanism 100 according to any one of the above-described embodiments.
To sum up, the utility model discloses a set up to include with the accurate counterpoint grinding mechanism of metallography grinding machine: the device comprises a vertical precision motion module, a corner deviation rectifying and aligning module and a corner positioning precision braking module; in the in-process that carries out the counterpoint at sample clamping device centre gripping microsection, through the mutual cooperation operation of vertical precision motion module, corner deviation rectification counterpoint module and corner location precision braking module, carry out corresponding braking to can effectively resist the swinging boom swing that grinding force produced when the grinder grinds at the metallography, thereby very big improvement the final machining precision of microsection, thoroughly avoided the corner drift of process of grinding, guaranteed the hardware needs of grinder. The transmission error of grinding the clamping jaw by the recognition clamping jaw in the machining process of the CCD metallographic grinder is reduced, and the grinding precision is improved.
Drawings
Fig. 1 is a schematic structural diagram of a precision alignment grinding mechanism of a metallographic grinder according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a vertical precision motion module of a precision alignment grinding mechanism according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a corner deviation rectifying and aligning module of the precision aligning and grinding mechanism according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a corner positioning precision brake module of the precision alignment grinding mechanism according to an embodiment of the present invention;
fig. 5 is a schematic view of an assembly structure of the corner deviation rectifying and aligning module and the corner positioning precision braking module provided in the embodiment of the present invention;
fig. 6 is a schematic structural diagram of a metallographic grinder provided by an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 5, the embodiment of the present invention provides a precise alignment grinding mechanism 100 of a metallographic grinder, the metallographic grinder 200 is used for grinding a metallographic section 201, the metallographic grinder 200 further includes a controller and a CCD image processing device 202, and the precise alignment grinding mechanism 100 includes:
the vertical precision motion module 10 comprises a vertical driving brake motor 11, a vertical motion device 12 and a measurement feedback device 13; the vertical driving brake motor 11 drives the vertical movement device 12 to vertically move, the measurement feedback device 13 is installed on the vertical movement device 12, measures the movement amount of the vertical movement device 12 and feeds the movement amount back to the controller;
the corner deviation rectifying and aligning module 20 comprises a corner deviation rectifying and aligning driving motor 21, an aligning connecting device 22, a rotating transmission device 23 and a sample clamping device 24; the alignment connecting device 22 connects the corner deviation rectifying and aligning module 20 with the vertical precision motion module 10, and connects the corner deviation rectifying and aligning driving motor 21 with the rotation transmission device 23; the rotation angle correction alignment driving motor 21 drives the rotation transmission device 23 to rotate; the rotation transmission device 23 drives the sample clamping device 24 to clamp the metallographic section 201;
the corner positioning precision brake module 30 comprises a brake cylinder 31 and a brake assembly 32, wherein the brake cylinder 31 drives the brake assembly 32, and the brake assembly 32 is arranged at the lower end of the alignment connecting device 22 and is clamped with the alignment connecting device 22 when the controller controls the corner positioning precision brake module 30.
In this embodiment, the precision alignment grinding mechanism 100 of the metallographic grinder includes: a vertical precision motion module 10, a corner deviation correction and alignment module 20, and a corner positioning precision brake module 30. Specifically, the vertical driving brake motor 11 of the vertical precision motion module 10 drives the vertical motion device 12 to move vertically, and since the measurement feedback device 13 is installed on the vertical motion device 12, the amount of motion of the vertical motion device 12 can be measured, and the amount of motion is fed back to the controller. The corresponding representing sample clamping device 24 of amount of exercise after centre gripping the microsection 201 of amount of exercise, from this controller according to the amount of exercise that measurement feedback device 13 feedbacks to accurate control sample clamping device 24 centre gripping microsection 201 movement distance, reach the accurate location of target position. The rotation angle correction alignment module 20 specifically comprises a rotation angle correction alignment driving motor 21, an alignment connecting device 22, a rotation transmission device 23 and a sample clamping device 24; the corner deviation rectifying and aligning module 20 is connected with the vertical precision motion module 10 through an aligning and connecting device 22, and a corner deviation rectifying and aligning driving motor 21 drives a rotating transmission device 23 to rotate; and the rotation transmission device 23 drives the sample holding device 24 to hold the metallographic section 201. At the in-process that sample clamping device 24 centre gripping microsection 201 carried out the counterpoint, carry out corresponding braking through corner location precision braking module 30 to can effectively resist the swinging boom swing that grinding force produced when the grinder 200 grinds, thereby very big improvement the sample be the final machining precision of microsection 201, thoroughly avoided the corner drift of grinding process, guaranteed the hardware needs of grinder 200.
Referring to fig. 1 to 3, in an embodiment of the present invention, the vertical motion device 12 of the vertical precision motion module 10 includes a vertical module body structure 121, a precision screw rod system 122, a precision linear slide rail 123, and a vertical motion connecting plate 124; the precise screw rod system 122 and the precise linear slide rail 123 are installed on the vertical module body structure 121, and the vertical motion connecting plate 124 is sleeved on the precise linear slide rail 123; the vertical driving brake motor 11 drives the precision screw rod system 122 to rotate so as to drive the vertical movement connecting plate 124 to vertically move on the precision linear slide rail 123; the measurement feedback device 13 measures the amount of movement of the vertical movement link plate 124 and feeds the amount of movement back to the controller.
In this embodiment, the vertical driving brake motor 11 drives the precision screw rod system 122 to rotate, so as to drive the vertical motion connecting plate 124 to move vertically on the precision linear slide rail 123, and the measurement feedback device 13 feeds back the amount of motion of the vertical motion connecting plate 124 to the controller, so as to precisely control the motion distance and achieve precise positioning of the target position. Each mounted on the vertical module body structure 121. Because the vertical module body structure 121 adopts a comprehensive compensation technology, the screw rod and the slide rail adopt high-precision products, and the measurement feedback device 13 measures and feeds back the final position parameters of the contraposition grinding claw 245 of the sample clamping device 24, the deviation generated by the gap of moving parts is eliminated, therefore, the comprehensive movement precision of the vertical precision movement module 10 is extremely high and can be better than 1 mu m, and the vertical precision movement module can work stably and reliably for a long time. The measurement feedback device 13 may be a measurement device such as a grating ruler measurement feedback device. In addition, the vertical precision motion module 10 further includes a first sensor, a first bearing seat and a dust guard; these components are used to perform the corresponding tasks of detection, installation, connection and the like.
Referring to fig. 1 to 3, in an embodiment of the present invention, the alignment connection device 22 of the corner deviation rectification alignment module 20 includes: aligning the bearing housing 221 and the vertical movement sliding arm 222; the rotation transmission device 23 includes: a rotation shaft 231 and an alignment rotation arm 232 connected to each other; the sample holding device 24 includes: a linear slide rail 241, an excessive pressurizing buffer 242, a cylinder floating support 243, a jaw cylinder 244 and an alignment grinding jaw 245; the pressurizing excessive buffer device 242 is installed on a linear slide rail 241, the linear slide rail 241 and a jaw cylinder 244 are installed on a cylinder floating support 243, and the jaw cylinder 244 drives an alignment grinding jaw 245 to grab the metallographic section 201. The rotation angle correction contraposition driving motor 21 and the rotating shaft 231 are respectively arranged on the contraposition bearing seat 221; the vertical movement slide arm 222 is connected to the vertical movement connecting plate 124; the rotation angle correction alignment driving motor 21 drives the alignment rotating arm 232 to rotate through the rotating shaft 231; the excessive pressurizing buffer 242 slides on the linear slide rail 241; the jaw cylinder 244 drives the alignment grinding jaw 245 to grab the microsection 201.
In this embodiment, the main body of the angular deviation rectifying and aligning mechanism of the angular deviation rectifying and aligning module 20 is mounted on the aligning bearing seat 221. Further, the vertical movement sliding arm 222 is coupled to the vertical movement connecting plate 124 of the vertical precision movement module 10 and can move up and down along with the vertical movement connecting plate 124. The rotation angle correction alignment driving motor 21 and the alignment bearing seat 221 are integrated, and the rotation shaft 231 drives the alignment rotating arm 232 and other parts to rotate together. The linear slide rail 241, the excessive pressurizing buffer device 242, the cylinder floating support 243, the claw cylinder 244 and the alignment grinding claw 245 form a floating sample clamping device 24, so that the sample damage caused by excessive pressure during grinding after the metallographic section 201 is aligned is guaranteed, the buffer protection effect is achieved, and the shell cover 246 protects the machine parts in a dustproof manner. The excessive pressurizing buffer 242 plays a role in buffering, and the rotation angle deviation rectifying and aligning module 20 further includes a second sensor, a bearing and a coupler. These components are used to perform the corresponding tasks of detection, installation, connection and the like.
Referring to fig. 4 to 5, in an embodiment of the present invention, the brake assembly 32 of the angular positioning precision brake module 30 includes: a locking top sleeve 321, a brake shoe 322 and a brake block 323; the bottom of the alignment rotating arm 232 is provided with an arc-shaped groove 2321, the tail side of the brake shoe 322 is fixed on the alignment bearing seat 221, and the head side of the brake shoe is positioned in the arc-shaped groove 2321 and keeps double-clearance fit with the arc-shaped groove 2321; the brake shoe 322 and the brake block 323 constitute a working coupling, and the coupling surface thereof is formed in a wedge arc shape.
In an embodiment of the present invention, in an initial working state of the precision alignment grinding mechanism 100, the brake cylinder 31 pushes the brake shoe 323 open through the locking top sleeve 321, the brake shoe 322 is separated from the brake shoe 323, and the brake shoe 322 is in an original state; a gap is formed between the brake shoe 322 and the alignment rotating arm 232, and the alignment bearing seat 221 and the alignment rotating arm 232 rotate relatively. And the CCD image processing device 202 completes image recognition of the microsection 201, when the alignment grinding claw 245 grabs the microsection 201 for alignment, and the corner correction alignment driving motor 21 drives the alignment rotating arm 232 to be in a predetermined corner state, the brake cylinder 31 pulls the brake block 323 through the locking top sleeve 321, and pulls the brake block 323 to the brake shoe 322, the coupling surface makes the brake shoe 322 expand in two directions along the diameter direction, and the brake shoe 322 is clamped and pressed in the arc-shaped groove 2321 of the alignment rotating arm 232.
In this embodiment, the preferred brake shoe 322 is made of an elastomeric material. The brake shoe 322 is made of a special elastic material, so that the brake shoe has good elasticity. The tail side of the brake shoe 322 is fixed on the alignment bearing seat 221, the head side is positioned in the arc-shaped groove 2321 of the alignment rotating arm 232 and keeps double-clearance fit with the arc-shaped groove 2321, the brake shoe 322 and the brake block 323 form a working coupling part, and the coupling surface of the working coupling part is in a wedge-shaped arc shape. In the initial operating state of the precision alignment grinding mechanism 100, the brake cylinder 31 pushes the brake block 323 open through the locking top sleeve 321, the brake shoe 322 is separated from the brake block 323, the brake shoe 322 is in the original state, and the alignment bearing block 221 and the alignment rotating arm 232 can freely rotate relatively due to the gap between the brake shoe 322 and the alignment rotating arm 232. Once the image recognition is completed, the rotation angle correction and alignment driving motor 21 makes the alignment rotating arm 232 in a certain rotation angle state, so that no small rotation angle change is allowed, and even if the rotation angle changes slightly due to a small circumferential force, the accuracy of the image recognition is damaged, and the qualified rate of the sample is greatly reduced.
The specific structure of the corner positioning precision brake module 30 in the embodiment better solves the problem. At this time, the brake cylinder 31 acts, the contracted brake cylinder 31 pulls the brake block 323 through the locking top sleeve 321, the brake block 323 is pulled to the brake shoe 322, the wedge of the coupling surface enables the brake shoe 322 to expand in two directions along the diameter direction, the wedge inclined plane principle has amplification effect on the pulling force of the cylinder, so that the brake shoe generates expansion force which is several times of the pulling force of the cylinder, the expanded brake shoe 322 is firmly clamped and pressed in the arc-shaped groove of the alignment rotating arm 232, and the alignment bearing seat 221 and the alignment rotating arm 232 are constructed into a firm whole. The swinging of the rotating arm generated by the grinding force can be effectively resisted when the metallographic grinder 200 grinds, so that the final precision of a sample is greatly improved, the corner drift in the grinding process is thoroughly avoided, and the hardware requirement of the full-automatic high-precision grinding machine is guaranteed.
In order to achieve another object of the present invention, the present invention further provides a metallographic grinder 200 including the precision alignment grinding mechanism 100 in any one of the above embodiments. The detailed structure of the precision alignment polishing mechanism 100 is described in the above embodiments and will not be described herein.
Referring to fig. 6, in an embodiment of the present invention, there is provided a metallographic grinder 200, the metallographic grinder 200 including: a precision alignment grinding mechanism 100, a grinder frame 205, a conveying mechanism 203, a grinding disc assembly 204, a feeding mechanism 206 and a CCD image processing device 202; the precision alignment grinding mechanism 100 is installed on the grinder frame 205, the feeding mechanism 206 conveys the microsection to be processed to the precision alignment grinding mechanism 100, and the conveying mechanism 203 conveys the microsection 201 aligned to the precision alignment grinding mechanism 100. The precise alignment grinding mechanism 100 creates a set of brand-new positioning mechanism capable of precisely grinding the metallographic section of the PCB for the application. The precise alignment grinding mechanism 100 is applied to the full-automatic metallographic grinder 200, and is a set of mechanical structure which accurately corrects the position, positions and centers the metallographic section 201 and completes grinding according to the result of image data processing after the metallographic grinder 200 utilizes the CCD to perform image recognition on the metallographic section 201, so that the metallographic section 201 is precisely ground under the automatic condition, and the final grinding deviation is controlled at the high precision of the 3 micron-order level.
To sum up, the utility model discloses a set up to include with the accurate counterpoint grinding mechanism of metallography grinding machine: the device comprises a vertical precision motion module, a corner deviation rectifying and aligning module and a corner positioning precision braking module; in the in-process that carries out the counterpoint at sample clamping device centre gripping microsection, through the mutual cooperation operation of vertical precision motion module, corner deviation rectification counterpoint module and corner location precision braking module, carry out corresponding braking to can effectively resist the swinging boom swing that grinding force produced when the grinder grinds at the metallography, thereby very big improvement the final machining precision of microsection, thoroughly avoided the corner drift of process of grinding, guaranteed the hardware needs of grinder. The transmission error of grinding the clamping jaw by the recognition clamping jaw in the machining process of the CCD metallographic grinder is reduced, and the grinding precision is improved.
Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.
Claims (10)
1. The utility model provides a metallography grinds precision counterpoint of machine and grinds mechanism (100), metallography grinds machine (200) and is used for grinding microsection (201), metallography grinds machine (200) still includes controller and CCD image processing apparatus (202), its characterized in that, precision counterpoint grinds mechanism (100) and includes:
the vertical precision motion module (10) comprises a vertical driving brake motor (11), a vertical motion device (12) and a measurement feedback device (13); the vertical driving brake motor (11) drives the vertical movement device (12) to move vertically, the measurement feedback device (13) is mounted on the vertical movement device (12) and measures the movement amount of the vertical movement device (12) and feeds the movement amount back to the controller;
the corner deviation rectifying and aligning module (20) comprises a corner deviation rectifying and aligning driving motor (21), an aligning connecting device (22), a rotating transmission device (23) and a sample clamping device (24); the alignment connecting device (22) connects the corner deviation rectifying and aligning module (20) with the vertical precision motion module (10), and connects the corner deviation rectifying and aligning driving motor (21) with the rotation transmission device (23); the rotation angle correction alignment driving motor (21) drives the rotation transmission device (23) to rotate; the rotation transmission device (23) drives the sample clamping device (24) to clamp the metallographic section (201);
corner location precision braking module (30), including brake cylinder (31) and brake subassembly (32), brake cylinder (31) drive brake subassembly (32), brake subassembly (32) set up in counterpoint connecting device (22)'s lower extreme, and be in controller control during corner location precision braking module (30) with counterpoint connecting device (22) chucking.
2. The precision alignment grinding mechanism (100) according to claim 1, wherein the vertical motion device (12) comprises a vertical module body structure (121), a precision screw rod system (122), a precision linear slide rail (123) and a vertical motion connecting plate (124);
the precise screw rod system (122) and the precise linear slide rail (123) are arranged on the vertical module body structure (121), and the vertical motion connecting plate (124) is sleeved on the precise linear slide rail (123);
the vertical driving brake motor (11) drives the precise screw rod system (122) to rotate so as to drive the vertical movement connecting plate (124) to vertically move on the precise linear sliding rail (123);
the measurement feedback device (13) measures the amount of movement of the vertical movement link plate (124) and feeds back the amount of movement to the controller.
3. The precision alignment grinding mechanism (100) of claim 2, wherein the alignment connection means (22) comprises: aligning a bearing seat (221) and a vertical movement sliding arm (222);
the rotation transmission means (23) comprises: a rotating shaft (231) and an alignment rotating arm (232) which are connected with each other; the sample holding device (24) comprises: the device comprises a linear slide rail (241), a pressurizing excess buffer device (242), a cylinder floating support (243), a jaw cylinder (244) and an alignment grinding jaw (245); the pressurizing excessive buffering device (242) is installed on the linear sliding rail (241), the linear sliding rail (241) and the jaw air cylinder (244) are installed on the air cylinder floating support (243), and the jaw air cylinder (244) drives the alignment grinding jaw (245) to grab a microsection (201);
the corner deviation rectifying and aligning driving motor (21) and the rotating shaft (231) are respectively arranged on the aligning bearing seat (221); the vertically moving slide arm (222) is connected with the vertically moving connecting plate (124); the rotation angle deviation rectifying and aligning driving motor (21) drives the aligning rotating arm (232) to rotate through the rotating shaft (231); the pressurizing excess buffer device (242) slides on the linear slide rail (241); the jaw cylinder (244) drives the alignment grinding jaw (245) to grab the metallographic section (201).
4. The precision alignment grinding mechanism (100) of claim 3, wherein the brake assembly (32) comprises: a locking top sleeve (321), a brake shoe (322) and a brake block (323); the bottom of the alignment rotating arm (232) is provided with an arc-shaped groove (2321), the tail side of the brake shoe (322) is fixed on the alignment bearing seat (221), and the head side of the brake shoe is positioned in the arc-shaped groove (2321) and keeps double clearance fit with the arc-shaped groove (2321); the brake shoe (322) and the brake block (323) form a working coupling part, and the coupling surface of the working coupling part is in a wedge arc shape.
5. The precision alignment grinding mechanism (100) according to claim 4, wherein in the initial working state of the precision alignment grinding mechanism (100), the brake cylinder (31) pushes the brake block (323) open through a locking top sleeve (321), the brake shoe (322) is separated from the brake block (323), and the brake shoe (322) is in the original state; a gap is reserved between the brake shoe (322) and the alignment rotating arm (232), and the alignment bearing seat (221) and the alignment rotating arm (232) rotate relatively.
6. The precision alignment grinding mechanism (100) according to claim 5, wherein the CCD image processing device (202) performs image recognition on the metallographic section (201), the alignment grinding claw (245) grabs the metallographic section (201) for alignment, the rotation angle correction alignment driving motor (21) drives the alignment rotating arm (232) to be in a predetermined rotation angle state, the brake cylinder (31) pulls the brake block (323) through the locking top sleeve (321), the brake block (323) is pulled to the brake shoe (322), the coupling surface enables the brake shoe (322) to expand in two directions along the diameter direction, and the brake shoe (322) is clamped and pressed in the arc-shaped groove (2321) of the alignment rotating arm (232).
7. The precision alignment grinding mechanism (100) of claim 6, wherein the sample holding device (24) further comprises a housing cover (246);
the brake shoe (322) is in rigid gapless connection with the contraposition bearing seat (221);
the measurement feedback device (13) is a grating ruler measurement feedback device;
the brake shoe (322) is made of an elastic material.
8. The precision alignment grinding mechanism (100) of claim 2, wherein the controller controls the distance of movement of the sample holding device (24) holding the metallographic section (201) according to the amount of movement fed back by the measurement feedback device (13).
9. The precision alignment grinding mechanism (100) of claim 6, wherein the vertical precision motion module (10) further comprises a first sensor, a first bearing seat and a dust guard;
the corner deviation rectifying and aligning module (20) further comprises a second inductor, a bearing and a coupler.
10. A metallographic grinder (200) comprising the precision alignment grinding mechanism (100) according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120431235.1U CN215239917U (en) | 2021-02-25 | 2021-02-25 | Accurate counterpoint grinding mechanism of metallography machine and metallography machine thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120431235.1U CN215239917U (en) | 2021-02-25 | 2021-02-25 | Accurate counterpoint grinding mechanism of metallography machine and metallography machine thereof |
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| CN215239917U true CN215239917U (en) | 2021-12-21 |
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| CN202120431235.1U Active CN215239917U (en) | 2021-02-25 | 2021-02-25 | Accurate counterpoint grinding mechanism of metallography machine and metallography machine thereof |
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2021
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