CN201685171U - Numerical control polishing machine tool - Google Patents
Numerical control polishing machine tool Download PDFInfo
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- CN201685171U CN201685171U CN2010201292663U CN201020129266U CN201685171U CN 201685171 U CN201685171 U CN 201685171U CN 2010201292663 U CN2010201292663 U CN 2010201292663U CN 201020129266 U CN201020129266 U CN 201020129266U CN 201685171 U CN201685171 U CN 201685171U
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- polishing machine
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Abstract
The utility model relates to the technical field of machining, and discloses a numerical control polishing machine tool which comprises a tool body, an upright post, a sliding seat sliding along the horizontal direction, a polishing disk, a workpiece shaft, a workpiece disk used for clamping a workpiece, a connecting shaft and a workpiece disk connecting piece, wherein the upright post and the polishing disk are all fixed on the tool body, the sliding seat is installed on the upright post, the workpiece shaft is vertically arranged, and movably connected with the sliding seat, one end of the connecting shaft is in splined joint with the bottom end of the workpiece shaft, and the other end thereof is fixedly connected with the workpiece connecting piece which is connected with the workpiece disk; and at least one pressure spring is arranged between the workpiece disk connecting piece and the bottom end of the workpiece shaft, one end of the pressure spring leans against the bottom end of the workpiece shaft, and the other end thereof leans against the upper end of the workpeice disk connecting piece. The numerical control polishing machine tool can accurately control the pressure applied on the workpiece, and is high in workpiece polishing accuracy.
Description
Technical field
The utility model relates to the Machining Technology field, relates in particular to a kind of digital control polishing machine tool.
Background technology
Digital control polishing machine tool is a kind of Surface Machining machinery commonly used, and it has advantages such as high accuracy, high efficiency and high reliability, is widely used in the processing precise planar part.
Common digital control polishing machine tool generally includes lathe bed, column, slide, workpiece spindle, polishing disk etc.Lathe bed supports polishing disk, and the motor-driven polishing disk is finished the main motion of polishing around self axis revolution; Column is fixed on the lathe bed, but column is provided with the slide of along continuous straight runs motion, servomotor promotes the motion of slide along continuous straight runs through ball-screw, workpiece spindle is vertical shape and is movably arranged on the slide, the bottom of workpiece spindle is provided with the workpiece plate that is used to block workpiece, workpiece spindle can drive the workpiece rotation through workpiece plate, and workpiece spindle can vertically move under the driving of drive unit; Polishing disk is corresponding with the position of described workpiece plate, can be fitted with polishing disk by the workpiece that workpiece plate blocks, motion, the motion of vertical direction and the rotatablely moving of workpiece of the horizontal direction by workpiece spindle are equipped with polishing fluid, and polishing disk just can polish workpiece.
In the process of polishing, in order to improve the efficient of polishing, need apply certain pressure to workpiece, in the prior art, mainly adopt cylinder that workpiece is pressurizeed, the air cylinder driven workpiece spindle moves at vertical direction, in the time of need pressurizeing to workpiece, the air cylinder driven workpiece spindle moves downward, because workpiece and polishing disk are fitted, will apply certain pressure to workpiece.Because the frictional force of the piston of cylinder, piston rod is bigger, and the supply gas pressure of cylinder can not accurately control, and so just causes cylinder can not accurately control workpiece applied pressure size, has a strong impact on the polishing precision of digital control polishing machine tool to workpiece.
In addition, owing in manufacturing and assembling process, unavoidably deviation can occur, the working face of workpiece plate (is the workpiece plate lower plane, also be the plane that workpiece plate contacts with workpiece) with the working face of polishing disk (be the last plane of polishing disk, also be the plane that polishing disk contacts with workpiece) between the depth of parallelism a little error is always arranged, make the upper and lower surfaces of workpiece can not be always evenly fit with workpiece plate and polishing disk simultaneously.The upper surface of workpiece and workpiece plate are fitted inhomogeneous, will cause pressurization inhomogeneous; Workpiece lower surface and polishing disk are fitted inhomogeneous, will directly cause polishing inhomogeneous, all can have influence on the polishing precision of digital control polishing machine tool to workpiece.
The utility model content
The purpose of this utility model provides a kind of quantity burnishing machine, and the big I that this digital control polishing machine tool is exerted pressure to workpiece is accurately controlled, the polishing precision height of workpiece.
To achieve these goals, the utility model provides a kind of digital control polishing machine tool, but comprise slide, polishing disk, workpiece spindle that lathe bed, column along continuous straight runs slide and the workpiece plate that is used to block workpiece, described column, described polishing disk all are fixed on the described lathe bed, described slide is installed on the described column, described workpiece spindle is vertical shape setting and flexibly connects with described slide, also comprises connecting axle, workpiece plate connector; One end of described connecting axle forms spline with the bottom of described workpiece spindle and is connected, and the other end is fixedlyed connected with described workpiece plate connector, and described workpiece plate connector is connected with described workpiece plate; Be provided with between described workpiece plate connector and the described workpiece spindle bottom and be no less than one compression spring, an end of described compression spring is against the bottom of described workpiece spindle, and the other end is against the upper end of described workpiece plate connector.
Preferably, described connecting axle is a splined shaft.
Preferably, the bottom of described workpiece spindle is provided with the spline housing of fixedlying connected with described workpiece spindle, and described connecting axle forms spline with described spline housing and is connected.
Preferably, the bottom of described workpiece spindle is provided with along the axially extended splined hole of described workpiece spindle, and described connecting axle forms spline with described splined hole and is connected.
Preferably, described workpiece plate connector is a connecting flange, and this connecting flange comprises upper flange portion, lower flange portion, and described lower flange portion is connected with described workpiece plate.
Preferably, the bottom of described workpiece spindle is fixed with connecting cylinder, and the bottom of described connecting cylinder is provided with the flange support member, and the upper flange portion of described connecting flange is overlapped on the described flange support member.
Preferably, described connecting axle is connected with described connecting flange by expansion sleeve.
Preferably, also comprise dresser shaft, the axis of rotation of described dresser shaft and described polishing disk be arranged in parallel and flexibly connects with described slide, and the bottom of described dresser shaft is provided with conditioner discs.
Preferably, be provided with the cross axle hinge between described workpiece plate connector and the described workpiece plate.
The digital control polishing machine tool that the utility model provides, workpiece spindle is connected with workpiece plate by connecting axle, workpiece plate connector, compression spring, one end of connecting axle forms spline with the bottom of workpiece spindle and is connected, the other end of connecting axle is fixedlyed connected with the workpiece plate connector, the workpiece plate connector is connected with workpiece plate, one end of compression spring is against the bottom of workpiece spindle, and the other end is against the upper end of workpiece plate connector.Being installed in the workpiece of workpiece plate bottom surface and the working face of polishing disk fits, need be when workpiece be exerted pressure, drive unit drives workpiece spindle and moves downward, because the bottom of workpiece spindle is that spline is connected with connecting axle, to form the slip on the vertical direction between connecting axle and the workpiece spindle, workpiece spindle is with the compression pressure spring, make compression spring generation strain, compression spring is by the workpiece plate connector, workpiece plate is exerted pressure to workpiece, because the elastic deformation amount and the pressure of compression spring are linear, just can control the size that workpiece is exerted pressure by the downward move distance of control workpiece spindle, to the pressure precise control of workpiece, thereby can improve polishing precision and the polishing effect of digital control polishing machine tool to workpiece.
In the preferred version, also comprise dresser shaft, the axis of rotation of described dresser shaft and described polishing disk be arranged in parallel, and flexibly connects with described slide, and the bottom of described dresser shaft is provided with conditioner discs.After the polishing disk wearing and tearing, the horizontal direction moving sliding base makes the conditioner discs of dresser shaft bottom corresponding to polishing disk, and the rotation dresser shaft is repaired polishing disk.Because the axis of rotation of dresser shaft and described polishing disk be arranged in parallel, when conditioner discs was repaired polishing disk, the polishing disk after can guaranteeing to repair had best flatness.
In the preferred version, be provided with the cross axle hinge between described workpiece plate connector and the described workpiece plate.Be provided with cross axle hinge between workpiece plate connector and the workpiece plate with two orthogonal trunnion axis, workpiece plate can be done slight swing around the cross axle hinge, can make the top and bottom of workpiece always simultaneously be fitted on workpiece plate and the polishing disk equably respectively, realize the even applying between each binding face, make digital control polishing machine tool higher the polishing precision of workpiece.
Description of drawings
Fig. 1 is the structural representation of a kind of specific embodiment of digital control polishing machine tool provided by the utility model;
Fig. 2 is the side-looking structural representation of digital control polishing machine tool among Fig. 1;
Fig. 3 is the structural representation that workpiece spindle is connected with workpiece plate among Fig. 1;
Fig. 4 is the structural representation of workpiece plate among Fig. 1;
Fig. 5 is the structural representation of cross axle hinge among Fig. 1;
Fig. 6 is the distribution schematic diagram of compression spring among Fig. 1;
Fig. 7 is the afterburning schematic diagram of compression spring among Fig. 1;
The digital control polishing machine tool that Fig. 8 provides for the utility model add force function coordinate schematic diagram;
Wherein, among Fig. 1-Fig. 8:
Lathe bed 1, column 2, slide 3, workpiece spindle 4, workpiece plate 5, polishing disk 6, dresser shaft 7, conditioner discs 8, connecting axle 9, spline housing 10, workpiece plate connector 11, connecting cylinder 12, compression spring 13, flange support member 14, cross axle hinge 15, cross axle 151, ball bearing 152.
The specific embodiment
First core of the present utility model provides a kind of digital control polishing machine tool, and the big I that this digital control polishing machine tool is exerted pressure to workpiece is accurately controlled, the polishing precision height of workpiece.
In order to make those skilled in the art better understand the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please referring to Fig. 1, Fig. 2, Fig. 3, Fig. 1 is the structural representation of a kind of specific embodiment of digital control polishing machine tool provided by the utility model, Fig. 2 is the side-looking structural representation of digital control polishing machine tool among Fig. 1, and Fig. 3 is the structural representation that workpiece spindle is connected with workpiece plate among Fig. 1.
Wherein, the workpiece of workpiece plate 5 belows and polishing disk 6 are fitted among Fig. 1, and clear in order to explain, Fig. 1 has drawn back distance with workpiece plate 5 and polishing disk 6.
As Fig. 1, Fig. 2, shown in Figure 3, but the digital control polishing machine tool that the utility model provides comprises slide 3, workpiece spindle 4, workpiece plate 5, polishing disk 6, connecting axle 9 that lathe bed 1, column 2 along continuous straight runs slide, workpiece plate connector 11.
Lathe bed 1 is supporting polishing disk 6, and polishing disk 6 is positioned at the below of workpiece plate 5, and is corresponding with workpiece plate 5, and polishing disk 6 can be finished the main motion of polishing around self axis revolution under the driving of motor; Column 2 is located on the lathe bed, and slide 3 is installed on the column 2, and slide 3 can slide by driven by servomotor ball screw along continuous straight runs, and workpiece spindle 4 is vertical shape setting and flexibly connects with slide 3, and workpiece spindle 4 can be along moving under slide 3 in the vertical directions; It (is that connecting axle 9 can be with workpiece spindle 4 rotations that one end of connecting axle 9 connects with the bottom formation spline of workpiece spindle 4, and can form the slip on the vertical direction between connecting axle 9 and the workpiece spindle 4), the other end of connecting axle 9 is fixedlyed connected with workpiece plate connector 11, the bottom of workpiece plate connector 11 is connected with workpiece plate 5, be provided with the compression spring 13 that is no less than between workpiece plate connector 11 and the workpiece spindle 4, one end of compression spring 13 is against the bottom of workpiece spindle 4, and the other end is against the upper end of workpiece plate connection.
The bottom card of workpiece plate 5 has workpiece, the structure of workpiece plate 5 as shown in Figure 4, the working face of workpiece and polishing disk 6 is fitted, workpiece can move in the horizontal direction with slide 3, exert pressure to workpiece when workpiece spindle 4 vertical directions move, be equipped with polishing fluid, polishing disk 6 just can carry out polishing operation to workpiece.
In a kind of specific embodiment, connecting axle 9 can adopt spline, and the bottom of workpiece spindle 4 is provided with and is fixed with spline housing 10, and connecting axle 9 forms spline with spline housing 10 and is connected.The bottom of workpiece spindle 4 is fixed with spline housing 10 by fixture, and an end of connecting axle 9 forms spline with spline housing 10 and is connected, and promptly connecting axle 9 can rotate with spline housing, and connecting axle 9 can endwisely slip along spline housing 10.
In the preferred version, for increase connecting axle 9 at vertical direction along the axial shift motion of spline housing 10, can be provided with axis hole in the bottom of workpiece spindle 4, connecting axle 9 can insert in this axis hole.
In one embodiment, the spline that connecting axle 9 and workpiece spindle 4 bottoms form is connected can also for: the bottom of workpiece spindle 4 is provided with along workpiece spindle 9 axially extended splined holes, and connecting axle 9 is connected with this splined hole formation spline.
In a kind of concrete embodiment, workpiece plate connector 11 can be connecting flange, connecting flange comprises upper flange portion, lower flange portion, lower flange portion is connected with workpiece plate 7, the bottom of workpiece spindle 4 is provided with connecting cylinder 12, connecting cylinder 12 is placed in the outside of connecting axle 9 and compression spring 13, the bottom of the upper end of connecting cylinder 12 and workpiece spindle 4 is fixed, the bottom of connecting cylinder 12 is provided with flange support member 14, as shown in Figure 3, flange support member 14 extends to the axis direction of connecting cylinder 12, and the upper flange portion of connecting flange 12 is overlapped on the flange support member 14; Connecting axle 9 is connected with connecting flange 12 by expansion sleeve.This structure, when workpiece spindle when vertical direction moves upward, workpiece can break away from polishing disk 6.
In the preferred version, in order to repair to the polishing disk 6 of wearing and tearing, make the polishing disk 6 after the finishing have higher flatness, the digital control polishing machine tool that the utility model provides also comprises dresser shaft 7, the axis of rotation of dresser shaft 7 and polishing disk 6 be arranged in parallel and flexibly connects with slide 3, the bottom of dresser shaft 7 is provided with conditioner discs 8, and the diamond pellet sheet that is used for trimming polished dish 6 can be posted in the bottom surface of conditioner discs 8.
After polishing disk 6 wearing and tearing, horizontal direction moving sliding base 3 makes the conditioner discs 8 of dresser shaft 7 bottoms corresponding to polishing disk 6, and 7 pairs of polishing disks 6 of rotation dresser shaft are repaired.Because dresser shaft 7 be arranged in parallel with the axis of rotation of polishing disk 6, when 8 pairs of polishing disks 6 of conditioner discs are repaired, can make that the polishing disk 6 after the finishing has higher flatness.
In the preferred version, for make between workpiece plate 5 and the workpiece, each binding face between workpiece and the polishing disk 6 all can evenly fit, and is provided with cross axle hinge 15 between workpiece plate connector 11 and the described workpiece plate 5.The structure of cross axle hinge 15 as shown in Figure 4, cross axle hinge 15 comprises the cross axle 151 with two orthogonal trunnion axis, the axle head of cross axle 151 all is socketed with ball bearing 152.Workpiece plate 5 can cut with scissors 15 around cross axle and do slight swing, can make the top and bottom of workpiece always be fitted in respectively equably on workpiece plate 5 and the polishing disk 6 simultaneously, realize the even applying between each binding face, can make digital control polishing machine tool higher the polishing precision of workpiece.
In the preferred version, compression spring 13 can be selected eight for use, and as shown in Figure 6, eight compression springs 13 are evenly distributed on the outside of connecting axle 9.The number that is appreciated that compression spring 13 can be provided with arbitrarily, and the utility model does not limit the number of compression spring 13.
The workpiece of workpiece plate 5 bottoms and the working face of polishing disk 6 are fitted, need be when workpiece be exerted pressure, drive unit drives workpiece spindle 4 and moves downward, because the bottom of workpiece spindle 4 and connecting axle 9 for spline is connected, can form the slip on the vertical direction between connecting axle 9 and the workpiece spindle 4.When the top and bottom of workpiece 4 respectively with after workpiece plate 5, polishing disk 6 contact, workpiece spindle 4 continues to move down, with compression pressure spring 13, make compression spring 13 that strain take place, the strain of compression spring 13 will be exerted pressure by workpiece plate connector 11,5 pairs of workpiece of workpiece plate, and the elastic deformation amount of compression spring 13 and workpiece pressure are linear.
As shown in Figure 8, it is S that workpiece spindle 4 continues the amount of moving down, and promptly the deflection of compression spring 13 also is S, 13 pairs of workpiece institutes of compression spring applied pressure is F, and and for example shown in Figure 8, the compressible range of setting pressure spring 13 is L, the maximum pressure that compression spring 13 is produced is P, then has:
F＝(P/L)S
S＝(L/P)F
As can be seen, workpiece spindle continues to move down the distance of S, and the deflection of compression spring is S, and applied pressure F is linear for 13 pairs of workpiece institutes of amount of movement S that workpiece is downward and compression spring.In the top and bottom of workpiece spindle 4 respectively with after workpiece plate 5, polishing disk 6 contact, by controlling workpiece spindle 4 at the downward displacement of vertical direction, just can control applied pressure to workpiece institute, the displacement of workpiece spindle 4 can accurately be controlled, also can accurately control the size that workpiece is exerted pressure, thereby can make digital control polishing machine tool higher the polishing precision of workpiece.
As shown in Figure 8, according to the requirement of glossing, setting the power that each moment t need apply in the polishing process is F, and F t in time changes, and F=f (t) claims F for adding force function.According to the F of above-mentioned formula S=(L/P), then, S=(L/P) f (t).
Like this, workpiece spindle 4 can enroll in the numerical control program of Digit Control Machine Tool at the displacement function S=of vertical direction (L/P) f (t), can realize in the polishing process digital control to applied force.
The above only is the description of the preferred implementation of utility model; should be understood that; because the finiteness of literal expression; and objectively have unlimited concrete structure; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. digital control polishing machine tool, but comprise slide, polishing disk, workpiece spindle that lathe bed, column along continuous straight runs slide and the workpiece plate that is used to block workpiece, described column, described polishing disk all are fixed on the described lathe bed, described slide is installed on the described column, described workpiece spindle is vertical shape setting and flexibly connects with described slide, it is characterized in that, also comprise connecting axle, workpiece plate connector; One end of described connecting axle forms spline with the bottom of described workpiece spindle and is connected, and the other end is fixedlyed connected with described workpiece plate connector, and described workpiece plate connector is connected with described workpiece plate; Be provided with between described workpiece plate connector and the described workpiece spindle bottom and be no less than one compression spring, an end of described compression spring is against the bottom of described workpiece spindle, and the other end is against the upper end of described workpiece plate connector.
2. digital control polishing machine tool according to claim 1 is characterized in that, described connecting axle is a splined shaft.
3. digital control polishing machine tool according to claim 2 is characterized in that the bottom of described workpiece spindle is provided with the spline housing of fixedlying connected with described workpiece spindle, and described connecting axle forms spline with described spline housing and is connected.
4. digital control polishing machine tool according to claim 2 is characterized in that, the bottom of described workpiece spindle is provided with along the axially extended splined hole of described workpiece spindle, and described connecting axle forms spline with described splined hole and is connected.
5. according to each described digital control polishing machine tool of claim 1-4, it is characterized in that described workpiece plate connector is a connecting flange, this connecting flange comprises upper flange portion, lower flange portion, and described lower flange portion is connected with described workpiece plate.
6. digital control polishing machine tool according to claim 5 is characterized in that the bottom of described workpiece spindle is fixed with connecting cylinder, and the bottom of described connecting cylinder is provided with the flange support member, and the upper flange portion of described connecting flange is overlapped on the described flange support member.
7. digital control polishing machine tool according to claim 5 is characterized in that, described connecting axle is connected with described connecting flange by expansion sleeve.
8. digital control polishing machine tool according to claim 1 is characterized in that, also comprises dresser shaft, and the axis of rotation of described dresser shaft and described polishing disk be arranged in parallel and flexibly connects with described slide, and the bottom of described dresser shaft is provided with conditioner discs.
9. digital control polishing machine tool according to claim 1 is characterized in that, is provided with the cross axle hinge between described workpiece plate connector and the described workpiece plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201292663U CN201685171U (en) | 2010-03-11 | 2010-03-11 | Numerical control polishing machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201292663U CN201685171U (en) | 2010-03-11 | 2010-03-11 | Numerical control polishing machine tool |
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| CN201685171U true CN201685171U (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201292663U Expired - Fee Related CN201685171U (en) | 2010-03-11 | 2010-03-11 | Numerical control polishing machine tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571261A (en) * | 2020-12-31 | 2021-03-30 | 重庆化工职业学院 | Computer box burnishing device |
| CN115351687A (en) * | 2022-08-29 | 2022-11-18 | 来安县泰阳聚氨酯制品有限公司 | Wear-resistant polyurethane processing device |
-
2010
- 2010-03-11 CN CN2010201292663U patent/CN201685171U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571261A (en) * | 2020-12-31 | 2021-03-30 | 重庆化工职业学院 | Computer box burnishing device |
| CN115351687A (en) * | 2022-08-29 | 2022-11-18 | 来安县泰阳聚氨酯制品有限公司 | Wear-resistant polyurethane processing device |
| CN115351687B (en) * | 2022-08-29 | 2023-12-05 | 来安县泰阳聚氨酯制品有限公司 | Wear-resistant polyurethane processing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101229 Termination date: 20140311 |