CN220740274U

CN220740274U - Micro-lens array slow-cutter servo processing machine tool

Info

Publication number: CN220740274U
Application number: CN202322538655.1U
Authority: CN
Inventors: 付聪; 刘可心; 李辰皓; 吴樾
Original assignee: Harbin Institute of Technology
Current assignee: Harbin Institute of Technology
Priority date: 2023-09-18
Filing date: 2023-09-18
Publication date: 2024-04-09
Anticipated expiration: 2033-09-18

Abstract

The utility model discloses a micro-lens array slow-cutter servo processing machine tool, and belongs to the technical field of precision processing. The machine tool has the advantages of simple structure, simple operation, less cutter use restriction, flexible cutter position adjustment and good cutter effect. The air static pressure main shaft and the tool rest assembly of the machine tool are respectively arranged on an X-axis linear motor assembly and a Y-axis linear motor assembly which are arranged in a T shape, a vacuum chuck clamp is arranged at the end part of the working end of the air static pressure main shaft, which faces to the tool rest assembly, a workpiece is clamped on the vacuum chuck clamp, a tool is clamped on the tool rest assembly, and the X-axis linear motor assembly, the Y-axis linear motor assembly and the air static pressure main shaft cooperatively operate, so that the tool can process the workpiece according to requirements. The machine tool is provided with the mounting assembly and the tool rest assembly in a combined way, so that the tool rest assembly can rotate, and further the use of more tools is adapted; the machine tool is provided with the driving screw rod and the two cutter clamping pages in a combined mode, so that the cutter is convenient to assemble and disassemble, and the cutters with various cutter handle shapes can be clamped.

Description

Micro-lens array slow-cutter servo processing machine tool

Technical Field

The utility model belongs to the technical field of precision machining, and particularly relates to a micro-lens array slow-cutter servo machining machine tool.

Background

The microlens array is a hot spot in the field of optical research, and when the microlens array is processed, a slow-cutter servo processing machine tool is often adopted to meet the requirement of high-precision processing. Patent publication number is CN208450619U, patent name is a slow-knife servo precision turning platform's patent document discloses a precision turning platform that possesses cushioning effect, patent publication number is CN208450622U, patent name is a slow-knife servo precision turning knife rest's patent document discloses above-mentioned processing platform's knife rest structure, this knife rest can be stable carry out the cutter clamping, can adjust the cutter position in vertical direction simultaneously, but this knife rest only can carry out the clamping of square handle of a knife's cutter, clamping angle is single simultaneously can't adjust, the cutter that is suitable for the clamping restriction is too much.

Disclosure of Invention

In order to solve the problems in the background art, the utility model provides a micro-lens array slow-cutter servo processing machine tool, which has the advantages of simple structure, simple operation, capability of automatically setting a cutter, less limitation on cutter use, flexible cutter position adjustment and good cutter action.

The technical scheme adopted for solving the technical problems is as follows: a micro-lens array slow-cutter servo processing machine tool comprises a base station, an X-axis linear motor assembly, a Y-axis linear motor assembly, an aerostatic main shaft, a laser tool setting assembly, a vacuum chuck clamp, a mounting assembly and a cutter rest assembly; the X-axis linear motor assembly and the Y-axis linear motor assembly are fixedly arranged on the table top of the base in a T-shaped layout, the aerostatic main shaft is arranged on the X-axis linear motor assembly, the tool rest assembly is arranged on the Y-axis linear motor assembly through the installation assembly, the end part of the aerostatic main shaft, which faces to the working end of the tool rest assembly, is provided with a vacuum chuck clamp, a workpiece is clamped on the vacuum chuck clamp, a cutter is clamped on the tool rest assembly, the X-axis linear motor assembly, the Y-axis linear motor assembly and the aerostatic main shaft cooperatively operate, namely, the cutter is enabled to process the workpiece according to requirements, and the laser tool setting assembly for tool setting is arranged above the aerostatic main shaft and is fixedly arranged on the X-axis linear motor assembly.

The tool rest assembly comprises a top plate, a base, two annular frames, two driving lead screws, two knife clamping pages and a plurality of guide bars; the two annular frames are arranged along the same horizontal axis, the top plate and the base are connected between the two annular frames, the top plate and the base are arranged in an up-down parallel alignment mode and are parallel to the axis of the annular frames, the two driving screw rods are arranged between the top plate and the base in a left-right distribution mode, the two clamping cutter pages are symmetrically arranged and sleeved on the two driving screw rods in an up-down mode, the front side and the rear side of the driving screw rods are respectively provided with a guiding light bar, and the two clamping cutter pages are sleeved on the guiding light bars.

The mounting assembly comprises a mounting seat, a buckling cover, a first driving motor and a driving gear; the mounting seat is fixedly mounted on the sliding table of the Y-axis linear motor assembly, an arc frame placing groove is formed in the upper end face of the mounting seat, the tool rest assembly is arranged in the frame placing groove, and the buckling cover is arranged to be hinged on the mounting seat in a semicircular arc shape.

The outer side surface of the base and the annular frame are arranged into circular arcs with the same radius, a plurality of teeth are arranged on the outer arc surface of the base around the axis, a placement cavity is formed in the mounting seat, a first driving motor is fixedly arranged in the placement cavity, a driving gear is coaxially arranged at the driving end of the first driving motor, the driving gear protrudes out of the bottom of the rack placing groove and is meshed with the teeth, the driving gear is meshed with the teeth during operation of the first driving motor, and the whole tool rest assembly is driven to realize transposition.

The utility model has the beneficial effects that: the machine tool is provided with the laser tool setting assembly, so that the tool setting work is convenient to realize when the tool is installed; the machine tool is provided with the mounting assembly and the tool rest assembly in a combined way, so that the tool rest assembly can rotate around the axial line, and the working conditions of more tools can be adapted; the machine tool is combined with the driving screw and the two cutter clamping pages, so that the cutter is very convenient to clamp and disassemble, the cutter is convenient to replace, the limitation on the shape of the cutter handle is small, the square cutter handle cutter and the cutter with the circular cutter handle can be clamped, and the application range is wider.

Drawings

In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the mounting assembly of the present utility model;

FIG. 3 is a schematic view of the motion principle of the carriage assembly of the present utility model;

FIG. 4 is a schematic view of the carriage assembly of the present utility model;

FIG. 5 is a schematic diagram of the structure of the novel driving screw;

in the figure:

1. a base station; 2. an X-axis linear motor assembly; 3. a Y-axis linear motor assembly; 4. an aerostatic main shaft; 5. a laser tool setting assembly; 6. a vacuum chuck clamp; 7. a mounting assembly; 8. a carriage assembly; 51. a tool setting gauge; 52. an electric slide rail; 53. a support frame; 71. a mounting base; 72. a cover is buckled; 73. a plug pin; 74. driving a first motor; 75. a drive gear; 721. a limit protrusion; 81. an annular frame; 82. a top plate; 83. a base; 84. driving a screw rod; 85. guiding a light bar; 86. clamping a knife blade; 87. teeth; 811; and a limit groove.

Detailed Description

The present utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic views illustrating the basic structure of the present utility model by way of illustration only, and thus show only the constitution related to the present utility model.

A micro-lens array slow-cutter servo processing machine tool comprises a base station 1, an X-axis linear motor assembly 2, a Y-axis linear motor assembly 3, an aerostatic spindle 4, a laser tool setting assembly 5, a vacuum chuck clamp 6, a mounting assembly 7 and a cutter rest assembly 8; the X-axis linear motor assembly 2 and the Y-axis linear motor assembly 3 are fixedly arranged on the table top of the base 1 in a T-shaped layout, the aerostatic spindle 4 is arranged on the X-axis linear motor assembly 2, the tool rest assembly 8 is arranged on the Y-axis linear motor assembly 3 through the installation assembly 7, the end part of the aerostatic spindle 4, which faces to the working end of the tool rest assembly 8, is provided with the vacuum chuck clamp 6, the workpiece clamp is arranged on the vacuum chuck clamp 6, the tool clamp is arranged on the tool rest assembly 8, the X-axis linear motor assembly 2, the Y-axis linear motor assembly 3 and the aerostatic spindle 4 cooperatively operate, namely the tool is enabled to process a workpiece according to requirements, and the laser tool setting assembly 5 for tool setting is arranged above the aerostatic spindle 4 and is fixedly arranged on the X-axis linear motor assembly 2.

The tool rest assembly 8 comprises a top plate 82, a base 83, two annular frames 81, two driving lead screws 84, two cutter clamping pages 86 and a plurality of guide bars 85; the two annular frames 81 are arranged along the same horizontal axis, the top plate 82 and the base 83 are connected between the two annular frames 81, the top plate 82 and the base 83 are arranged in an up-down parallel alignment mode and are parallel to the axis of the annular frames 81, the two driving screw rods 84 are vertically arranged between the top plate 82 and the base 83 in a left-right distribution mode, the two cutter clamping pages 86 are vertically and symmetrically arranged and sleeved on the two driving screw rods 84, when the driving screw rods 84 are driven to rotate by a driving motor II, the cutter clamping pages 86 which are close to each other or the cutter removing tools which are far away from each other can be adjusted, the driving motor II is fixedly embedded in the base 83, guide light bars 85 are arranged on the front side and the rear side of each driving screw rod 84, the two cutter clamping pages 86 are sleeved on the guide light bars 85, and the guide light bars 85 effectively avoid the condition that the cutter clamping pages 86 are rotated when moving up and down.

The mounting assembly 7 comprises a mounting seat 71, a buckling cover 72, a first driving motor 74 and a driving gear 75; the mounting seat 71 is fixedly mounted on the sliding table of the Y-axis linear motor assembly 3, an arc frame placing groove is formed in the upper end face of the mounting seat 71, the tool rest assembly 8 is arranged in the frame placing groove, the buckling cover 72 is arranged on the mounting seat 71 in a semicircular arc hinged mode, and the buckling cover 72 can reciprocate to achieve fixed clamping and unloading of the tool rest assembly 8.

The outer side surface of the base 83 and the annular frame 81 are arranged into an arc shape with the same radius, a plurality of teeth 87 are arranged on the outer arc surface of the base 83 around an axis, a mounting cavity is formed in the mounting seat 71, a first driving motor 74 is fixedly arranged in the mounting cavity, a driving gear 75 is coaxially arranged at the driving end of the first driving motor 74, the driving gear 75 protrudes out of the groove bottom of the rack and is meshed with the teeth 87, the first driving motor 74 runs to enable the driving gear 75 to be meshed with the teeth 87, and then the whole tool rest assembly 8 is driven to realize transposition, and the tool rest assembly 8 can perform transposition movement between 0 DEG and 45 DEG, so that clamping of tools of different tool shanks is met.

The main part of clamp sword page 86 is the bent plate that is the right angle and buckles, and a plurality of logical grooves of dislocation arrangement on the plate body of right angle turning both sides form the cutting between every two adjacent logical grooves, and when two clamp sword page 86 up-and-down direction symmetrical arrangement, the cutting of one clamp sword page 86 inserts in the logical groove of another clamp sword page 86, and then makes two clamp sword page 86 staggered arrangement, and then promotes the ability of being close to of two right angle turning, the cutter that the clamping handle of a knife size is less of being convenient for, and the clamp sword page 86 of two right angle turning forms mutually support, can also the cutter of the circular handle of a knife of clamping when the square handle of a knife cutter of ability, the tip of the plate body of clamp sword page 86 right angle turning both sides all sets up the board that stretches out, offers screw hole and unthreaded hole according to the position of drive lead screw 84 and two direction bars 85 on two boards that stretch out.

The swing end of the fastening cover 72 is provided with a protrusion with a jack, the mounting seat 71 is provided with a groove in cooperation with the protrusion, the protrusion is mutually matched with the groove, the protrusion is inserted into the jack through a bolt 73, the fastening cover 72 is locked in a covered state, after the knife rest assembly 8 is mounted in the rack placing groove, the fastening cover 72 is covered, the fastening cover 72 is locked by the bolt 73, and when the knife rest assembly 8 is to be dismounted, the fastening cover 72 is opened by extracting the bolt 73.

The two annular frames 81 are provided with limit grooves 811 on end surfaces far away from each other, the limit grooves 811 are arranged around the outer circumferential surface of the annular frame 81, limit protrusions 721 are arranged at the matching positions of the two end surfaces of the fastening cover 72 and the two limit grooves 811, and when the fastening cover 72 is covered on the mounting seat 71, the limit protrusions 721 are clamped in the limit grooves 811, so that the axial position of the tool rest assembly 8 is stabilized.

The laser tool setting assembly 5 comprises a tool setting gauge 51, an electric sliding rail 52 and a supporting frame 53; the support frame 53 is spanned above the aerostatic spindle 4, the bottom of the support frame 53 is fixedly installed on a sliding table of the X-axis linear motor assembly 2 as well as the aerostatic spindle 4, an electric sliding rail 52 is arranged on the top surface of the support frame 53, the electric sliding rail 52 and the axis of the aerostatic spindle 4 are led to be arranged and are located in the same vertical plane as the axis of the aerostatic spindle 4, the tool setting gauge 51 is fixedly installed on a sliding block of the electric sliding rail 52, the sliding block slides on the electric sliding rail 52, the tool setting gauge 51 is driven to extend or retract towards the direction of a tool, and the tool setting gauge 51 extends to perform tool setting operation on the tool.

The threads on the driving screw 84 are provided in two sections, and the two sections of threads are oppositely arranged from the midpoint of the length direction of the driving screw 84 to the two ends, so that when the driving screw 84 rotates, the two clamping blades 86 can be simultaneously driven to move close to or away from each other.

Working principle:

the workpiece to be machined is mounted on the vacuum chuck clamp 6, the cutter is placed between the two cutter clamping pages 86, the two driving screws 84 are regulated and controlled to rotate, the cutter is clamped by the two cutter clamping pages 86, the electric sliding rail 52 is controlled to drive the tool setting gauge 51 to stretch out for tool setting work, the cutter is finally clamped by the two cutter clamping pages 86 by the two driving screws 84, so that the installation of the cutter and the workpiece is completed, and the completion of the tool setting work, namely the regulation and control of the electric sliding rail 52 to retract the tool setting gauge 51 is avoided.

The X-axis linear motor assembly 2, the Y-axis linear motor assembly 3 and the aerostatic main shaft 4 are cooperatively controlled by a connected computer system to cooperatively operate, so that a cutter can process a workpiece.

Because the positions, i.e. angles, of the working knife tips of different knives are different, when the different knives are used, the knife functions to the greatest extent, the processing safety is ensured, the angle of the knife rest assembly 8 is required to be adjusted, and at the moment, the driving motor one 74 is controlled to operate, so that the driving gear 75 is meshed with the teeth 87, and the overall rotation angle of the knife rest assembly 8 is adjusted.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A micro lens array slow cutter servo machine tool is characterized in that: the device comprises a base station (1), an X-axis linear motor assembly (2), a Y-axis linear motor assembly (3), an aerostatic main shaft (4), a laser tool setting assembly (5), a vacuum chuck clamp (6), a mounting assembly (7) and a tool rest assembly (8); the X-axis linear motor assembly (2) and the Y-axis linear motor assembly (3) are fixedly arranged on the table top of the base station (1) in a T-shaped layout, the aerostatic spindle (4) is arranged on the X-axis linear motor assembly (2), the tool rest assembly (8) is arranged on the Y-axis linear motor assembly (3) through the mounting assembly (7), the vacuum chuck clamp (6) is arranged at the end part of the working end of the aerostatic spindle (4) facing the tool rest assembly (8), a workpiece is clamped on the vacuum chuck clamp (6), and a cutter is clamped on the tool rest assembly (8), wherein the X-axis linear motor assembly (2), the Y-axis linear motor assembly (3) and the aerostatic spindle (4) operate cooperatively, namely, the cutter is enabled to process a workpiece according to requirements, and the laser tool setting assembly (5) for tool setting is arranged above the aerostatic spindle (4) and fixedly arranged on the X-axis linear motor assembly (2).

2. The microlens array slow-cutter servo processing machine tool according to claim 1, wherein: the tool rest assembly (8) comprises a top plate (82), a base (83), two annular frames (81), two driving lead screws (84), two knife clamping pages (86) and a plurality of guide bars (85); the two annular frames (81) are arranged along the same horizontal axis, the top plate (82) and the base (83) are connected between the two annular frames (81), the top plate (82) and the base (83) are arranged in an up-down parallel alignment mode and are parallel to the axis of the annular frames (81), the two driving screw rods (84) are distributed left and right and vertically and are arranged between the top plate (82) and the base (83), the two knife clamping pages (86) are symmetrically arranged up and down and sleeved on the two driving screw rods (84), the front side and the rear side of each driving screw rod (84) are respectively provided with a guide light bar (85), and the two knife clamping pages (86) are sleeved on the plurality of guide light bars (85).

3. The microlens array slow-cutter servo processing machine tool according to claim 2, wherein: the mounting assembly (7) comprises a mounting seat (71), a buckling cover (72), a first driving motor (74) and a driving gear (75); the mounting seat (71) is fixedly arranged on a sliding table of the Y-axis linear motor assembly (3), an arc rack placing groove is formed in the upper end face of the mounting seat (71), the tool rest assembly (8) is arranged in the rack placing groove, the buckling cover (72) is arranged to be hinged on the mounting seat (71) in a semicircular arc shape, the outer side face of the base (83) and the annular frame (81) are arranged to be in an arc shape with the same radius, a plurality of teeth (87) are arranged on the outer arc face of the base (83) around an axis, a placing cavity is formed in the mounting seat (71), a first driving motor (74) is fixedly arranged in the placing cavity, a driving gear (75) is coaxially arranged on the driving end of the first driving motor (74), the first driving gear (75) stretches out of the rack placing groove to be meshed with the teeth (87), and the first driving motor (74) operates to enable the driving gear (75) to be meshed with the teeth (87), so that the whole tool rest assembly (8) is driven to realize transposition.

4. A microlens array slow cutter servo processing machine tool according to claim 2 or 3, characterized in that: the main part of double-layered sword page (86) is the bending plate that is the right angle and buckles, and a plurality of logical grooves of dislocation arrangement on the plate body of right angle turning both sides form the cutting between every two adjacent logical grooves, and when direction symmetrical arrangement about two double-layered sword page (86), the cutting of one double-layered sword page (86) inserts in the logical groove of another double-layered sword page (86), and then makes two double-layered sword page (86) staggered arrangement, and then promotes the ability of being close to of two right angle turning, the cutter that the clamping handle of a knife size is less of being convenient for, the tip of the plate body of double-layered sword page (86) right angle turning both sides all sets up the board that pops out, offers screw hole and unthreaded hole according to the position of driving lead screw (84) and two direction bars (85) on two board that pops out.

5. A microlens array slow cutter servo processing machine as claimed in claim 3, wherein: the end part of the swinging end of the buckling cover (72) is provided with a protrusion with a jack, the position of the mounting seat (71) matched with the protrusion is provided with a groove, the protrusion is matched with the groove, the protrusion is inserted into the jack through a bolt (73), and the middle buckling cover (72) is locked in a covering state.

6. The microlens array slow-cutter servo processing machine tool according to claim 5, wherein: the two annular frames (81) are provided with limit grooves (811) on end faces far away from each other, the limit grooves (811) are arranged around the outer circular surface of the annular frames (81), limit protrusions (721) are arranged at the matching positions of the two end faces of the buckling cover (72) and the two limit grooves (811), and when the buckling cover (72) is covered on the mounting seat (71), the limit protrusions (721) are clamped in the limit grooves (811), so that the axial position of the tool rest assembly (8) is stabilized.

7. A microlens array slow cutter servo processing machine tool according to claim 1 or 6, characterized in that: the laser tool setting assembly (5) comprises a tool setting instrument (51), an electric sliding rail (52) and a supporting frame (53); the utility model discloses a tool setting device, including aerostatic main shaft (4), support frame (53), tool setting gauge (51), X axle linear motor subassembly (2), electric slide rail (52) are set up on the top surface of support frame (53), electric slide rail (52) and the axis of aerostatic main shaft (4) are led to the setting, tool setting gauge (51) fixed mounting is on the slider of electric slide rail (52).

8. The microlens array slow-cutter servo processing machine tool according to claim 4, wherein: the threads on the driving screw rod (84) are arranged in two sections, and the two sections of threads are oppositely arranged from the middle point of the length direction of the driving screw rod (84) to the two ends, so that when the driving screw rod (84) rotates, two knife clamping pages (86) can be simultaneously driven to move close to or away from each other.