CN205096971U - Numerical control polycrystalline silicon plane chamfer all -in -one - Google Patents

Abstract

The utility model provides a numerical control polycrystalline silicon plane chamfer all -in -one, it accomplishes the grinding at silico briquette surface and chamfer or R angle through a clamping in proper order, improves silico briquette processingquality and machining efficiency, its characterized in that: its include the lathe bed be provided with the stand frame on the lathe bed, lathe bed one end corresponds be provided with feed arrangement under the stand frame, the workstation is connected through a linear guide and first roller bearing lead screw the stand frame, correspond on the lathe bed the workstation is provided with the planker, the planker is connected through the 2nd linear guide and second roller bearing lead screw the lathe bed, be provided with grinding device on the planker, be provided with work piece clamping device on the workstation, work piece clamping device includes that work piece supporting seat and work piece press from both sides tight seat, it supports the head to be provided with the work piece on the work piece supporting seat, the work piece supports the head and connects drive arrangement, the work piece presss from both sides tight seat to be connected through third guide rail and third roller bearing lead screw the workstation it presss from both sides tight head to be provided with the work piece on the work piece presss from both sides tight, the work piece press from both sides tight head with the work piece presss from both sides tight seat swivelling joint.

Description

A CNC polysilicon plane chamfering machine

technical field

The utility model relates to the field of CNC machine tool automation, in particular to a CNC polysilicon plane chamfering integrated machine.

Background technique

After the short-term downturn in the photovoltaic industry, with the national macro-control of the industry and the relaxation of foreign policies on my country, the demand for mono- and polysilicon in solar power generation has increased, and higher requirements have been placed on equipment suppliers. Among them, energy-saving Reducing materials, improving production efficiency and product yield have become the most important issues. During the processing of polysilicon, in order to eliminate cracks on the surface of the workpiece, reduce internal stress, and increase yield, the surface of the silicon block and the chamfer or R angle must be ground. The grinding process of the existing domestic and foreign equipment is cumbersome. When completing the grinding process of the surface of the silicon block and the chamfering, it needs to be completed by two different equipment and four times of clamping the workpiece, which is time-consuming and labor-intensive. Secondary clamping produces positioning errors, so the dimensional accuracy and shape errors of grinding cannot be guaranteed, which seriously affects the yield of (single crystal, polycrystalline) silicon block slices.

Contents of the invention

In view of the above problems, the utility model provides a CNC polysilicon plane chamfering integrated machine, which completes the grinding of the surface of the silicon block and its chamfer (or R angle) through one clamping, and improves the processing quality and efficiency of the silicon block. .

Its technical solution is as follows: a CNC polysilicon plane chamfering integrated machine, characterized in that it includes a bed, a column frame is arranged on the bed, and a feeding material is arranged under the column frame corresponding to one end of the bed device, the workbench is connected to the column frame through the first linear guide rail and the first roller screw, and a carriage is provided on the bed corresponding to the workbench, and the carriage passes through the second linear guide rail and the second roller The shaft screw is connected to the bed, the carriage is provided with a grinding device, and the workbench is provided with a workpiece clamping device, and the workpiece clamping device includes a workpiece support seat and a workpiece clamping seat. A workpiece support head is provided on the workpiece support seat, the workpiece support head is connected to the driving device, and the workpiece clamping seat is connected to the workbench through the third guide rail and the third roller screw. The workpiece clamping seat is provided with The workpiece clamping head is rotatably connected with the workpiece clamping seat.

It is further characterized in that: two carriages are arranged on the bed corresponding to both sides of the workbench; at least one carriage on one side is provided with a measuring device;

The first roller screw is supported by support seats at both ends, the servo motor is connected to the workbench, the worktable is connected to the first roller screw through a bushing, and the servo motor is connected to the workbench through a synchronous belt. bushing;

The grinding device includes a grinding wheel frame, the grinding wheel frame is arranged on the carriage, a grinding wheel spindle is arranged in the grinding wheel frame, one end of the grinding wheel spindle is connected to a diamond grinding wheel, and one end of the grinding wheel spindle is connected to a grinding wheel motor;

The feeding device includes a slide plate, the slide plate is connected to the bed through the fourth linear guide rail and the fourth roller screw, and the slide plate is provided with a lateral clamping and positioning device;

A centering device is provided on the bed corresponding to one end of the feeding device.

In the above structure of the utility model, the workpiece clamping device includes a workpiece support seat and a workpiece clamping seat, and a workpiece support head is arranged on the workpiece support seat. Since the workpiece support head is connected to the driving device, the workpiece clamping head and the workpiece clamping seat rotate Connection, after the workpiece is clamped in the clamping device, the driving device drives the workpiece support head to rotate together with the workpiece. Through the angle of rotation, the surface of the silicon block and its chamfer or R angle are ground in sequence in one clamping, so that the silicon block The operation of block processing brings convenience, reduces labor intensity, shortens auxiliary time, and improves the quality and efficiency of silicon block processing.

Description of drawings

Fig. 1 is a schematic diagram of the front view of the utility model;

FIG. 2 is a side view of FIG. 1 .

detailed description:

See Fig. 1 and Fig. 2, a CNC polysilicon plane chamfering integrated machine, which includes a bed 1, a column frame 2 is arranged on the bed 1, and a feeding device 9 is arranged under the column frame 2 at one end of the bed 1, and the working The table 3 is connected to the column frame 2 through the first linear guide rail 26 and the first roller screw 27, the first roller screw 27 is supported by the support seats 28 at both ends, the servo motor 30 is connected to the workbench 3, and the workbench 3 passes through the axis The sleeve 29 is connected to the first roller screw 27, the servo motor 30 is connected to the shaft sleeve 29 through the synchronous belt 32, two carriages 10 are respectively arranged on the two sides of the corresponding workbench 3 on the bed 1, and the carriage 10 passes through the second linear guide rail 21 and the second roller screw rod 22 are connected to the bed 1, and the carriage 10 is provided with a grinding device 13, the grinding device 13 includes a grinding wheel frame 11, and the grinding wheel frame 11 is arranged on the carriage 10, and the grinding wheel frame 11 is provided with Grinding wheel spindle 4, one end of the grinding wheel spindle 4 is connected to the diamond grinding wheel 12, the other end of the grinding wheel spindle 4 is connected to the grinding wheel motor 36, the workbench 3 is provided with a workpiece clamping device 5, and the workpiece clamping device 5 includes a workpiece support seat 37 and a workpiece clamping seat 38, the workpiece support seat 37 is provided with a workpiece support head 39, the workpiece support head 39 is connected to the driving device, the workpiece clamping seat 38 is connected to the workbench 3 through the third guide rail 33 and the third roller screw rod 34, and the third roller screw The rod 34 is connected to the servo motor 35 , the workpiece clamping head 41 is arranged on the workpiece clamping seat 38 , and the workpiece clamping head 41 is connected to the workpiece clamping seat 38 in rotation.

At least one carriage 10 on one side is provided with a measuring device 8, the measuring device 8 is installed on the side of the carriage 10 through a bracket 24, and distributes the grinding amount of each surface by measuring the workpiece 25 and four diamond grinding wheels 12, including rough grinding Surplus, fine grinding surplus.

The feeding device 9 includes a slide plate 16, the slide plate 16 is connected to the base plate 42 through a linear guide rail, the base plate 42 is connected to the bed 1, the slide plate 16 is connected to the base plate 42 through the fourth linear guide rail 14 and the fourth roller screw 15, and the slide plate 16 is provided with a transverse The clamping and positioning device 7 is driven by the servo motor 18 installed on the motor plate 17, driven by the synchronous pulley 19 and the synchronous belt 20 to drive the roller screw 19 to move, and the slide plate 16 drives the transverse clamping and positioning device 7 to move longitudinally, realizing Vertical feed.

A centering device 6 is provided on the bed 1 corresponding to the end of the feeding mechanism 9, which realizes the centering during feeding and ensures the accuracy of the feeding position.

Two carriages 10 are installed on the bed 1 on the left and right, and the carriages 10 are installed on the bed 1 through linear guide rails 21 and ball screws 22 , and are directly driven by a servo motor 23 . A grinding wheel frame 11, a diamond grinding wheel 12, and a measuring mechanism 8 are installed on the carriage 10, and the diamond grinding wheel 12 is respectively set on the output end of the grinding wheel spindle. The measuring mechanism 8 is installed on the side of the carriage 10 through the bracket 24, and by measuring the workpiece 25, it distributes the grinding amount of each surface, including rough grinding allowance and fine grinding allowance.

The working principle of the present utility model is described below in conjunction with accompanying drawing:

See Figure 1 and Figure 2, the workbench 3 moves laterally through the first linear guide rail 26 and the first roller screw 27 to one end of the corresponding lateral clamping and positioning device 7 in the column frame 2, and the workpiece 25 is placed on the lateral clamping and positioning device 7, the slide plate 16 is sent to the lower end of the workbench 3 in the column frame 2, and at the same time, the positioning and centering of the workpiece is realized through the centering device 6. The first linear guide rail 26 and the first roller screw 27 move laterally to the position corresponding to the grinding device 13 in the column frame 2, and the four grinding devices 13 on both sides of the bed move to the position corresponding to the workpiece 25 through the carriage 10 The workpiece is ground, and the workpiece support head 39 is driven by the driving device to rotate and the workpiece 25 is rotated to realize the grinding of the workpiece at different angles. The servo motor slowly rotates the workpiece to rotate 45° and the grinding chamfer (R angle) rotates 90° Grinding the plane, realizing the grinding of the surface of the silicon block and its chamfer or R angle in one clamping, which brings convenience to the operation of silicon block processing, reduces labor intensity, shortens auxiliary time, and improves the processing quality of silicon block and processing efficiency.

Through the application of eight-axis numerical control technology, the utility model enables the machine tool to control eight numerical control axes (four numerical control axes respectively control four grinding heads (diamond grinding wheels)) by Siemens PLC programmable logic controller in the whole grinding process. Feed, one CNC axis controls the movement of the worktable, one CNC axis controls the centering servo axis 40 of the workpiece, one CNC axis controls the rotation of the workpiece, and one CNC axis controls the feeding mechanism), to ensure the machine tool runs accurately, It is stable, and at the same time, the accuracy of workpiece alignment is also guaranteed, which improves work efficiency reasonably and effectively.

Claims (7)

1. a numerical-control polysilicon plane chamfering all-in-one, it is characterized in that: it comprises lathe bed, described lathe bed is provided with column frame, the corresponding described column frame in described lathe bed one end is arranged with feed arrangement, workbench is connected described column frame by the first line slideway with the first roller bearing screw mandrel, on described lathe bed, corresponding described workbench is provided with planker, described planker is connected described lathe bed by the second line slideway with the second roller bearing screw mandrel, described planker is provided with grinding attachment, described workbench is provided with Workpiece clamping device, described Workpiece clamping device comprises workpiece support and Workpiece clamping seat, described workpiece support is provided with workpiece support head, described workpiece support head connecting drive device, described Workpiece clamping seat to be connected on Workpiece clamping seat described in described workbench with the 3rd roller bearing screw mandrel by the 3rd guide rail and to be provided with Workpiece clamping head, described Workpiece clamping head is rotatably connected with described Workpiece clamping seat.

2. a kind of numerical-control polysilicon plane chamfering all-in-one according to claim 1, is characterized in that: on described lathe bed, corresponding described workbench both sides are respectively arranged with two described plankers.

3. a kind of numerical-control polysilicon plane chamfering all-in-one according to claim 2, is characterized in that: a described planker of at least side is provided with measurement mechanism.

4. a kind of numerical-control polysilicon plane chamfering all-in-one according to claim 1, it is characterized in that: described first roller bearing screw mandrel is supported by the supporting seat at two ends, servomotor connects described workbench, described workbench connects described first roller bearing screw mandrel by axle sleeve, and described servomotor connects described axle sleeve by Timing Belt.

5. a kind of numerical-control polysilicon plane chamfering all-in-one according to claim 1, it is characterized in that: described grinding attachment comprises grinding carriage, described grinding carriage is arranged on described planker, grinding wheel spindle is provided with in described grinding carriage, described grinding wheel spindle one end connects skive, and described grinding wheel spindle one end connects grinding wheel drive mitor.

6. a kind of numerical-control polysilicon plane chamfering all-in-one according to claim 1, it is characterized in that: described feed arrangement comprises slide plate, described slide plate is connected described lathe bed by the 4th line slideway with the 4th roller bearing screw mandrel, and described slide plate is provided with horizontal clamping and positioning device.

7., according to the arbitrary described a kind of numerical-control polysilicon plane chamfering all-in-one of claim 1-5, it is characterized in that: on described lathe bed, corresponding described feed arrangement one end is provided with centralising device.