CN110227970B - Micro-knife grinding machine - Google Patents
Micro-knife grinding machine Download PDFInfo
- Publication number
- CN110227970B CN110227970B CN201910411020.0A CN201910411020A CN110227970B CN 110227970 B CN110227970 B CN 110227970B CN 201910411020 A CN201910411020 A CN 201910411020A CN 110227970 B CN110227970 B CN 110227970B
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- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 239000000463 material Substances 0.000 claims abstract description 57
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 238000005498 polishing Methods 0.000 claims description 7
- 239000000523 sample Substances 0.000 claims description 5
- 230000001174 ascending effect Effects 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
Abstract
The invention relates to the technical field of machine tool machining, in particular to a micro-knife grinding machine which comprises a grinding machine body, a material chuck and a grinding wheel, wherein the material chuck and the grinding wheel are arranged on the grinding machine body, two material trays are arranged on the grinding machine body side by side, a first track is arranged on the side edge of the material tray in the parallel direction of the material trays, a second track perpendicular to the first track is arranged on the first track, a rotating mechanism is arranged on the second sliding rail, a telescopic mechanism is arranged on a rotating shaft, two clamping jaw mechanisms are arranged at the end part of the telescopic mechanism side by side, and the micro-knife grinding machine further comprises a pressing mechanism and a movable supporting mechanism which are arranged on the grinding machine body at the lower end in front of the material chuck.
Description
Technical Field
The invention relates to the technical field of machine tool machining, in particular to a micro-knife grinding machine.
Background
In the prior art, when the micro-knife is ground on the five-axis grinding machine, the clamping of the micro-knife is manually operated, the clamping efficiency is low, the precision in the clamping process is poor, and the product quality and the grinding stability can be seriously affected.
In addition, in the processing process, as the micro-knife is a strip-shaped component, the longer end of the micro-knife is exposed outside after the mechanical arm is clamped on the material chuck, and if the micro-knife is not provided with the supporting mechanism, the micro-knife can be caused to shake strongly in the polishing process so as to influence the processing precision.
Disclosure of Invention
The invention aims to solve the defects of the technology and provides a micro-knife grinding machine which realizes automatic clamping and has high clamping efficiency.
In order to achieve the above purpose, the micro-knife grinding machine comprises a grinding machine body, and a material chuck and a grinding wheel which are arranged on the grinding machine body, wherein the material chuck is used for clamping a workpiece, the grinding wheel is used for polishing the workpiece clamped on the material chuck, two material trays are arranged on the grinding machine body side by side, a first track is arranged on the side of the material tray along the side direction of the material tray, a second track perpendicular to the first track is arranged on the first track, the second track slides on the first track, a rotating mechanism is arranged on the second slide rail, a rotating shaft of the rotating mechanism is horizontally arranged, the rotating shaft is perpendicular to the second track, a telescopic mechanism is arranged on the rotating shaft, two clamping jaw mechanisms are arranged at the end part of the telescopic mechanism side by side, the side direction of the clamping jaw mechanisms is consistent with the side direction of the two material trays, when the rotating mechanism is positioned at a certain position of the second track and the telescopic mechanism horizontally faces the material chuck of the grinding machine body, the horizontal height of the clamping jaw mechanisms is consistent with the horizontal height of the material chuck, and the micro-knife grinding machine further comprises two independent power mechanisms, one power mechanism drives the second track to move on the first track, and the other power mechanism drives the second track to move on the second track; the workpiece clamping device is characterized by further comprising a pressing mechanism and a movable supporting mechanism which are arranged on the grinder body at the lower end in front of the material chuck, wherein the pressing mechanism and the movable supporting mechanism clamp workpieces clamped in the material chuck.
Above-mentioned technical scheme, one of them charging tray is as the storage tray before the processing, and another charging tray is as the storage tray after the processing, drive rotary mechanism and telescopic machanism through guide rail No. one, no. two guide rails and remove in the horizontal plane to realize the change of clamping jaw mechanism's position, rotary mechanism makes telescopic machanism be in between vertical direction and the horizontal direction, when clamping jaw mechanism gets material or blowing from the charging tray, then telescopic machanism is in vertical direction, then telescopic machanism is in the horizontal direction when clamping jaw mechanism gets material or blowing from the material chuck. The automatic clamping and feeding and discharging device can effectively realize automatic clamping and feeding and discharging of the micro-knife, and is high in clamping precision, stability and efficiency.
The pushing mechanism comprises a mounting plate arranged on the grinding machine body, a first vertical guide rail is arranged on one side of the mounting plate, a connecting block is arranged on the first vertical guide rail, a lower pressing plate is arranged on the connecting block, the lower pressing plate extends to the position right above the workpiece polishing end on the material chuck, a first hydraulic cylinder is arranged on the mounting plate, a telescopic end of the first hydraulic cylinder is connected with the connecting block, and the first hydraulic cylinder drives the connecting block to slide on the first vertical guide rail. The lifting of the lower pressing plate is realized through the driving of the first hydraulic cylinder, and the lower pressing plate presses the micro knife downwards on the movable supporting mechanism before polishing, so that the micro knife can be kept stable in the rotation process, the polishing process can be more stable, and the processing precision is higher.
The movable supporting mechanism comprises a supporting base plate arranged on the grinding machine body, a second hydraulic cylinder which is vertically upwards arranged on the supporting base plate, a second vertical guide rail is arranged on the supporting base plate on two sides of the second hydraulic cylinder, a sliding block is arranged on the second vertical guide rail, a connecting block is fixedly arranged between the sliding blocks on two sides, the lower surface of the connecting block is connected with a telescopic rod of the second hydraulic cylinder, an adjusting block is connected to the lower surface of one end of the connecting block, guide columns in the vertical direction are arranged at two ends of the adjusting block, the guide columns are fixed on the adjusting block, through holes with openings are arranged at positions on the connecting block corresponding to the adjusting block, the through holes are connected with the guide columns in a matched mode, a pressure spring is arranged between the adjusting block and the connecting block, a screw is arranged between the adjusting block and the pressure spring, the screw penetrates through the pressure spring, a tightening bolt is arranged at the opening of the through hole of the connecting block, and is used for adjusting the size of the opening; the adjusting block at one end far away from the connecting block is provided with a concave structure, the inside of the concave structure is provided with a mounting block, the inside of the mounting block is provided with one or two shaft holes in the horizontal direction, the adjusting blocks at the two ends of the mounting block are provided with one or two guide shafts, the guide shafts penetrate through the shaft holes, the guide shafts between the adjusting block at one end and the mounting block are sleeved with pressure springs, the adjusting block at the other end is provided with screw holes corresponding to the mounting block at the other end, the screw holes are internally provided with jacking bolts, and the ends of the jacking bolts are in contact with the mounting block; the upper surface of the installation block is provided with a swinging head seat, the center of the lower surface of the swinging head seat and the corresponding position of the upper surface of the installation block are both provided with pin holes, pin shafts are arranged in the pin holes, one end of the swinging head seat is provided with an adjusting hole, the installation block is provided with an elliptical hole at the position corresponding to the adjusting hole, the adjusting hole and the elliptical hole are internally provided with eccentric adjusting shafts, the part of the eccentric adjusting shafts in the adjusting hole is of a cylindrical structure, the part of the eccentric adjusting shafts in the elliptical hole is of an eccentric shaft structure, the two ends of the swinging head seat are respectively provided with fixing holes, the installation block at the position corresponding to the fixing holes is provided with screw holes, the diameter of each fixing hole is larger than that of each screw hole, and bolts are penetrated in the fixing holes to be matched with the screw holes for fixing the installation block and the swinging head seat; the upper surface both ends of pendulum seat are provided with two ascending supporting legs, be provided with the through-hole in the upper end of two supporting legs, be provided with the pendulum between two supporting legs, be provided with the axis of rotation on the pendulum, the axis of rotation is located this through-hole, correspond on two supporting legs and be provided with the locking hole, wear to establish bolt and nut in the locking hole, set up the hole that link up on the pendulum, the diameter of this hole is greater than the diameter of bolt, be provided with the pressure spring between the pendulum of lower extreme and pendulum seat, wear to establish the screw in the pressure spring between pendulum and pendulum seat, this screw is used for adjusting the compression distance of the pressure spring between pendulum and the pendulum seat, be provided with upwards first supporting head on the pendulum.
According to the movable supporting mechanism in the technical scheme, the first supporting head on the movable support is used for supporting the lower part of the micro knife in the machining process by means of the expansion and contraction of the second hydraulic cylinder, the micro knife is matched with the lower pressing plate, the micro knife is kept balanced in rotation, and the stability is high. And the angle and the position of the first supporting head on the movable supporting mechanism need to be adjusted for micro-knives with different sizes or after long-time processing. Through the adjusting block arranged below the connecting block, a guide column is arranged between the connecting block and the adjusting block, so that the connecting block can move relatively in the vertical direction, the pressure spring and the screw are designed, the vertical direction is adjusted, and finally the opening of the adjusting block can be fastened through an elastic bolt, so that the relative position between the connecting block and the guide column is ensured, and the relative height of the first support head is finely adjusted; the horizontal position of the installation block on the guide shaft is changed by adjusting the pressing spring, the pressing bolt and the pressing bolt, and the shaft hole of the guide shaft is provided with an opening, so that the relative position between the adjusted installation block and the guide shaft is fixed by the bolts, and the left and right position of the first support head is finely adjusted; the swing head seat and the mounting block can be connected in a rotating manner along the vertical direction through the arrangement of the pin shaft at the center of the upper surface of the mounting block, and the swing head seat can be adjusted in the circumferential direction under the condition of rotating the eccentric adjusting shaft through the cooperation of the eccentric adjusting shaft and the elliptical hole arranged on the mounting block, and the first supporting head is fixed by bolts so as to be adjusted in the circumferential direction along the vertical axial direction; the support legs at two ends of the pendulum seat are connected with the pendulum head through pin shafts, the lower pressure spring and the lower pressure spring are utilized for adjusting the circumferential adjustment of the pendulum head on the horizontal shaft, and the two support legs are locked through bolts, so that the pendulum head is fixed, and the circumferential rotation adjustment of the first support head on the pendulum head along the horizontal shaft is realized. According to the scheme, the position of the first supporting head in the horizontal direction and the position of the first supporting head in the vertical direction can be moved for fine adjustment, and meanwhile, the first supporting head is subjected to fine adjustment in the circumferential rotation of the axis in the horizontal direction and the vertical direction, so that multi-dimensional fine adjustment is formed, and the reliability of the first supporting head for supporting the micro knife is ensured.
The fixed support mechanism comprises a base, a key groove is formed in the base and the mounting plate, keys are arranged in the key groove in an matched mode, the length of each key is smaller than that of the key groove, the axial direction of each key groove is perpendicular to the axial direction of a workpiece clamped by the material chuck, an adjusting plate is arranged on the mounting plate at two ends of the base, a pressure spring is arranged between the adjusting plate at one side and the base, a transverse differential head is arranged on the adjusting plate at the other side, the transverse differential head is used for adjusting the transverse position of the base, a support bracket is arranged on the base, a vertical upward key groove is arranged between the base and the support bracket, a key is arranged in the key groove, the length of each key is smaller than that of the key groove, a vertical long hole is formed in the support bracket, a screw is arranged in the long hole and used for fixing the support bracket and the base, a baffle is arranged at one side of the base, a pressing piece is arranged at the upper end of the baffle, the pressing piece extends to the position right above the support bracket, a pressure spring in the vertical direction is arranged between the pressing piece and the support bracket, an adjusting lever is arranged on the base at the lower side of the support bracket, a supporting lever is arranged on the base through a supporting point, the screw, the vertical differential head is arranged on the base at one side of the adjusting bracket, the base, the vertical differential head is in contact with the vertical differential head is arranged on the support bracket, and the support bracket is in contact with the vertical differential head, and the support bracket is arranged on the vertical differential head, and the support bracket, and the vertical differential head is arranged on the support bracket. The design of this structure, under the longer condition of size of microblade, the assembly is exposed at outside size great behind material chuck, then need set up a fixed stay before movable support mechanism, the middle part to the microblade supports, it is through the cooperation of keyway and key between base and the mounting panel, it can control the removal, and carry out horizontal fine setting to the base through horizontal differential head, and fine setting about realizing through the design of keyway and key between base and the supporting bracket, adjust the one end of adjusting lever through vertical differential head, thereby finely tune supporting bracket's height, ensure the fine setting to No. two supporting heads, stability is high.
The grinding wheel side of the grinding machine body is provided with a probe which is used for detecting the length of a workpiece clamped on the material chuck, which is exposed outside the material chuck. Because the depth of depositing the work piece on the charging tray must have certain error, at clamping jaw mechanism centre gripping work piece's in-process, the position must have error at every turn, and the work piece length that exposes outside when can cause the work piece assembly to get into material chuck is inconsistent, then through the measurement of probe, can survey the length of exposing the outside work piece of material chuck to promote machining precision through the initial position that changes the emery wheel and polish.
The micro-knife grinding machine can realize automatic feeding and discharging of micro-knives and automatic clamping on a material chuck through reasonable structural design, supports the micro-knives in the processing process, and has the advantages of multidimensional adjustment of supporting angle, high assembly and processing precision and high processing efficiency.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a loading and unloading mechanism of the present invention;
FIG. 3 is a schematic view of the structure of the grinding machine body of the present invention;
FIG. 4 is an enlarged partial schematic view of FIG. 3;
FIG. 5 is an exploded view of the structure of the hold-down mechanism and the fixed support mechanism of the present invention;
FIG. 6 is a schematic structural view of the pressing mechanism and the fixed supporting mechanism of the present invention;
FIG. 7 is a schematic view of a movable supporting mechanism according to the present invention;
FIG. 8 is a schematic view 1 of the structure between a connecting block and an adjusting block according to the present invention;
FIG. 9 is a schematic view of the structure between the connecting block and the adjusting block of the present invention 2;
FIG. 10 is a schematic side view of the invention between a mounting block and an adjustment block;
FIG. 11 is a schematic front view of the invention between the mounting block and the adjustment block;
FIG. 12 is a schematic view of the structure between the mounting block and the swing seat of the present invention;
fig. 13 is a schematic structural diagram of the swing head and the swing seat according to the present invention.
Detailed Description
The invention is further described below by way of examples with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, fig. 2 and fig. 3, the micro-knife grinding machine described in this embodiment includes a grinding machine body 1, a material chuck 9 and a grinding wheel 2 disposed on the grinding machine body 1, the material chuck 9 is used for clamping a workpiece, the grinding wheel 2 is used for polishing the workpiece clamped on the material chuck 9, two material discs 8 are disposed side by side on the grinding machine body 1, a first track 3 is disposed along the side direction of the material discs 8, a second track 4 perpendicular to the first track 3 is disposed on the first track 3, the second track 4 slides on the first track 3, a rotating mechanism 5 is disposed on the second slide track 4, a rotating shaft of the rotating mechanism 5 is horizontally disposed, and is perpendicular to the second track 4, a telescopic mechanism 6 is disposed on the rotating shaft, two clamping jaw mechanisms 7 are disposed side by side at the end of the telescopic mechanism 6, and the side direction of the telescopic mechanism 7 is consistent with the side direction of the two material discs 2, when the rotating mechanism 5 is disposed at a certain position of the second track 4 and the telescopic mechanism 5 is horizontally oriented to the material chuck 9 of the grinding machine body 1, the horizontal height of the clamping jaw mechanism 7 is driven by the second track 4 to move on the first track 4, and the horizontal power mechanism is driven by the second track 4, and the horizontal power mechanism is also driven by the second mechanism to move on the first track 4; as shown in fig. 3 and 4, the grinding machine further comprises a pressing mechanism 10 and a movable supporting mechanism 12 which are arranged on the lower end grinding machine body 1 in front of the material chuck 9, wherein the pressing mechanism 10 and the movable supporting mechanism 12 clamp workpieces clamped in the material chuck 9.
As shown in fig. 5 and 6, the pressing mechanism 10 includes a mounting plate 1001 disposed on the grinding machine body 1, a first vertical guide rail 1002 is disposed on one side of the mounting plate 1001, a connecting block 1003 is disposed on the first vertical guide rail 1002, a pressing plate 1004 is disposed on the connecting block 1003, the pressing plate 1004 extends to a position right above a workpiece polishing end on the material chuck 9, a first hydraulic cylinder 1005 is disposed on the mounting plate 1001, a telescopic end of the first hydraulic cylinder 1005 is connected with the connecting block 1003, and the first hydraulic cylinder 1005 drives the connecting block 1003 to slide on the first vertical guide rail 1002.
As shown in fig. 7, the movable supporting mechanism 12 includes a supporting pad 1201 disposed on the grinding machine body 1, a second hydraulic cylinder 1202 vertically upward is disposed on the supporting pad 1201, a second vertical guide rail 1205 is disposed on the supporting pad 1201 on both sides of the second hydraulic cylinder 1202, a sliding block 1203 is disposed on the second vertical guide rail 1205, a connecting block 1204 is fixedly disposed between the sliding blocks 1203 on both sides, a lower surface of the connecting block 1204 is connected with a telescopic rod of the second hydraulic cylinder 1202, as shown in fig. 8 and 9, an adjusting block 1207 is connected to a lower surface of one end of the connecting block 1204, guide posts 1212 in a vertical direction are disposed at both ends of the adjusting block 1207, the guide posts 1212 are fixed on the adjusting block 1207, through holes with openings are disposed at positions corresponding to the adjusting block 1207 on the connecting block 1204, the through holes are cooperatively connected with the guide posts 1212, a compression spring 1106 is disposed between the adjusting block 1207 and the connecting block 1204, a screw is disposed between the adjusting block 1207 and the connecting block 1204, the screw passes through the compression spring 1106, and the opening of the through hole of the connecting block 1204 is provided with a tightness bolt for adjusting the opening size of the opening. As shown in fig. 10 and 11, an inward concave structure is arranged on an adjusting block 1207 at one end far from a connecting block 1204, an installation block 1208 is arranged in the inward concave structure, two shaft holes in the horizontal direction are arranged in the installation block 1208, two guide shafts 1213 are arranged on the adjusting blocks 1207 at two ends of the installation block 1208, the guide shafts 1213 penetrate through the shaft holes, a pressure spring 1106 is sleeved on the guide shaft 1213 between the adjusting block 1207 at one end and the installation block 1208, screw holes are arranged on the adjusting block 1207 corresponding to the installation block 1208 at the other end, a jacking bolt is arranged in the screw holes, and the end parts of the jacking bolt are in contact with the installation block 1208; as shown in fig. 12, a swinging head seat 1209 is arranged on the upper surface of a mounting block 1208, pin holes are respectively arranged in the center of the lower surface of the swinging head seat 1209 and at the corresponding positions of the upper surface of the mounting block 1208, pin shafts 1214 are arranged in the pin holes, adjusting holes 1217 are arranged at one end of the swinging head seat 1209, elliptical holes 1216 are arranged at the positions of the mounting block 1208 corresponding to the adjusting holes 1217, eccentric adjusting shafts 1215 are arranged in the adjusting holes 1217 and the elliptical holes 1216, the eccentric adjusting shafts 1215 are in cylindrical structures, the eccentric adjusting shafts 1215 are in eccentric shaft structures, fixing holes are respectively arranged at two ends of the swinging head seat 1209, screw holes are arranged on the mounting block 1208 corresponding to the fixing holes, the diameters of the fixing holes are larger than those of the screw holes, bolts are penetrated in the fixing holes to be matched with the screw holes, and are used for fixing the mounting block 1208 and the swinging head seat 1209; as shown in fig. 13, two upward supporting legs 1218 are provided at both ends of the upper surface of the swing seat 1209, a through hole is provided at the upper end of the two supporting legs 1218, a swing head 1210 is provided between the two supporting legs 1218, a rotation shaft 1220 is provided on the swing head 1210, the rotation shaft 1220 is located in the through hole, locking holes 1219 are correspondingly provided on the two supporting legs 1218, a bolt and a nut are inserted into the locking holes 1219, a through hole having a diameter larger than that of the bolt is provided on the swing head 1210, a compression spring 1106 is provided between the swing head 1210 and the swing seat 1209 at the lower end, a screw for adjusting the compression distance of the compression spring 1106 between the swing head 1210 and the swing seat 1209 is inserted into the compression spring between the swing head 1210 and the first support head 1211 is provided on the swing head 1210.
As shown in fig. 5 and 6, a fixed support mechanism 11 is arranged on a mounting plate 1001 between a pressing mechanism 10 and a movable support mechanism 12, the fixed support mechanism 11 comprises a base 1101, a key groove 1102 is arranged on the base 1101 and the mounting plate 1001, a key 1103 is arranged in the key groove 1102 in a matched manner, the length of the key 1103 is smaller than that of the key groove 1102, the axial direction of the key groove 1102 is perpendicular to the axial direction of a workpiece clamped by a material chuck 9, an adjusting plate 1104 is arranged on the mounting plate 1001 at two ends of the base 1101, a pressure spring 1106 is arranged between the adjusting plate 1104 at one side and the base 1101, a transverse differential head 1105 is arranged on the adjusting plate 1104 at the other side, the transverse differential head 1105 is used for adjusting the transverse position of the base 1101, a support bracket 1108 is arranged on the base 1101, a vertically upward key groove 1102 is arranged between the base 1101 and the support bracket 1108, a key 1103 is arranged in the key groove 1102, the same length is smaller than that of the key groove 1102, a vertically long hole is arranged in the support bracket 1108, a screw is arranged in the long hole for fixing the support bracket 1108 and the base 1101, one side of the base 1101 is provided with a baffle 1113, the upper end 1110 is arranged on the base 1110, a differential head 1110 is arranged on one side of the base 1110, and extends to the other side of the base is in contact with the base 1107, and extends to the other end of the base 1107, and is vertically extends to the differential head 1109.
A probe 13 is provided at a side of the grinding wheel 2 of the grinding machine body 1, and the probe 13 is used for detecting a length of a workpiece clamped on the material chuck 9 exposed to the outside of the material chuck 9.
Claims (4)
1. A micro-knife grinder is characterized in that: the grinding machine comprises a grinding machine body, a material chuck and a grinding wheel, wherein the material chuck is used for clamping a workpiece, the grinding wheel is used for polishing the workpiece clamped on the material chuck, two material trays are arranged on the grinding machine body side by side, a first track is arranged on the side edge of each material tray in the parallel direction of the material trays, a second track perpendicular to the first track is arranged on the first track, the second track slides on the first track, a rotating mechanism is arranged on a second sliding rail, a rotating shaft of the rotating mechanism is horizontally arranged, the rotating shaft is perpendicular to the second track, a telescopic mechanism is arranged on the rotating shaft, two clamping jaw mechanisms are arranged at the end part of the telescopic mechanism side by side, the parallel direction of the clamping jaw mechanisms is consistent with the parallel direction of the two material trays, the horizontal height of the clamping jaw mechanisms is consistent with the horizontal height of the material chuck when the rotating mechanism is positioned at a certain position of the second track and horizontally faces the material chuck of the grinding machine body, and the two independent power mechanisms are arranged, one power mechanism drives the second track to move on the first track, and the other power mechanism drives the rotating mechanism to move on the second track; the device also comprises a pressing mechanism and a movable supporting mechanism which are arranged on the grinder body at the lower end in front of the material chuck, wherein the pressing mechanism and the movable supporting mechanism clamp a workpiece clamped in the material chuck; the movable supporting mechanism comprises a supporting base plate arranged on the grinding machine body, a second hydraulic cylinder which is vertically upwards arranged on the supporting base plate, a second vertical guide rail is arranged on the supporting base plate on two sides of the second hydraulic cylinder, a sliding block is arranged on the second vertical guide rail, a connecting block is fixedly arranged between the sliding blocks on two sides, the lower surface of the connecting block is connected with a telescopic rod of the second hydraulic cylinder, an adjusting block is connected to the lower surface of one end of the connecting block, guide columns in the vertical direction are arranged at two ends of the adjusting block, the guide columns are fixed on the adjusting block, through holes with openings are arranged at positions on the connecting block corresponding to the adjusting block, the through holes are connected with the guide columns in a matched mode, a pressure spring is arranged between the adjusting block and the connecting block, a screw is arranged between the adjusting block and the pressure spring, the screw penetrates through the pressure spring, a tightening bolt is arranged at the opening of the through hole of the connecting block, and is used for adjusting the size of the opening; the adjusting block at one end far away from the connecting block is provided with a concave structure, the inside of the concave structure is provided with a mounting block, the inside of the mounting block is provided with one or two shaft holes in the horizontal direction, the adjusting blocks at the two ends of the mounting block are provided with one or two guide shafts, the guide shafts penetrate through the shaft holes, the guide shafts between the adjusting block at one end and the mounting block are sleeved with pressure springs, the adjusting block at the other end is provided with screw holes corresponding to the mounting block at the other end, the screw holes are internally provided with jacking bolts, and the ends of the jacking bolts are in contact with the mounting block; the upper surface of the installation block is provided with a swinging head seat, the center of the lower surface of the swinging head seat and the corresponding position of the upper surface of the installation block are both provided with pin holes, pin shafts are arranged in the pin holes, one end of the swinging head seat is provided with an adjusting hole, the installation block is provided with an elliptical hole at the position corresponding to the adjusting hole, the adjusting hole and the elliptical hole are internally provided with eccentric adjusting shafts, the part of the eccentric adjusting shafts in the adjusting hole is of a cylindrical structure, the part of the eccentric adjusting shafts in the elliptical hole is of an eccentric shaft structure, the two ends of the swinging head seat are respectively provided with fixing holes, the installation block at the position corresponding to the fixing holes is provided with screw holes, the diameter of each fixing hole is larger than that of each screw hole, and bolts are penetrated in the fixing holes to be matched with the screw holes for fixing the installation block and the swinging head seat; the upper surface both ends of pendulum seat are provided with two ascending supporting legs, be provided with the through-hole in the upper end of two supporting legs, be provided with the pendulum between two supporting legs, be provided with the axis of rotation on the pendulum, the axis of rotation is located this through-hole, correspond on two supporting legs and be provided with the locking hole, wear to establish bolt and nut in the locking hole, set up the hole that link up on the pendulum, the diameter of this hole is greater than the diameter of bolt, be provided with the pressure spring between the pendulum of lower extreme and pendulum seat, wear to establish the screw in the pressure spring between pendulum and pendulum seat, this screw is used for adjusting the compression distance of the pressure spring between pendulum and the pendulum seat, be provided with upwards first supporting head on the pendulum.
2. A micro-knife grinder as claimed in claim 1, wherein: the pushing mechanism comprises a mounting plate arranged on the grinding machine body, a first vertical guide rail is arranged on one side of the mounting plate, a connecting block is arranged on the first vertical guide rail, a lower pressing plate is arranged on the connecting block, the lower pressing plate extends to the position right above the workpiece polishing end on the material chuck, a first hydraulic cylinder is arranged on the mounting plate, a telescopic end of the first hydraulic cylinder is connected with the connecting block, and the first hydraulic cylinder drives the connecting block to slide on the first vertical guide rail.
3. A micro-knife grinder as claimed in claim 1, wherein: the fixed support mechanism comprises a base, a key groove is formed in the base and the mounting plate, keys are arranged in the key groove in an matched mode, the length of each key is smaller than that of the key groove, the axial direction of each key groove is perpendicular to the axial direction of a workpiece clamped by the material chuck, an adjusting plate is arranged on the mounting plate at two ends of the base, a pressure spring is arranged between the adjusting plate at one side and the base, a transverse differential head is arranged on the adjusting plate at the other side, the transverse differential head is used for adjusting the transverse position of the base, a support bracket is arranged on the base, a vertical upward key groove is arranged between the base and the support bracket, a key is arranged in the key groove, the length of each key is smaller than that of the key groove, a vertical long hole is formed in the support bracket, a screw is arranged in the long hole and used for fixing the support bracket and the base, a baffle is arranged at one side of the base, a pressing piece is arranged at the upper end of the baffle, the pressing piece extends to the position right above the support bracket, a pressure spring in the vertical direction is arranged between the pressing piece and the support bracket, an adjusting lever is arranged on the base at the lower side of the support bracket, a supporting lever is arranged on the base through a supporting point, the screw, the vertical differential head is arranged on the base at one side of the adjusting bracket, the base, the vertical differential head is in contact with the vertical differential head is arranged on the support bracket, and the support bracket is in contact with the vertical differential head, and the support bracket is arranged on the vertical differential head, and the support bracket, and the vertical differential head is arranged on the support bracket.
4. A micro-knife grinder as claimed in claim 1, wherein: the grinding wheel side of the grinding machine body is provided with a probe which is used for detecting the length of a workpiece clamped on the material chuck, which is exposed outside the material chuck.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910411020.0A CN110227970B (en) | 2019-05-17 | 2019-05-17 | Micro-knife grinding machine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910411020.0A CN110227970B (en) | 2019-05-17 | 2019-05-17 | Micro-knife grinding machine |
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| CN110227970A CN110227970A (en) | 2019-09-13 |
| CN110227970B true CN110227970B (en) | 2024-01-16 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111451882B (en) * | 2020-03-16 | 2022-01-04 | 浙江晨日智能科技有限公司 | Five-axis numerical control grinding machine |
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