CN201042779Y - Device for trimming superhard abrasive wheel - Google Patents
Device for trimming superhard abrasive wheel Download PDFInfo
- Publication number
- CN201042779Y CN201042779Y CNU2007200368485U CN200720036848U CN201042779Y CN 201042779 Y CN201042779 Y CN 201042779Y CN U2007200368485 U CNU2007200368485 U CN U2007200368485U CN 200720036848 U CN200720036848 U CN 200720036848U CN 201042779 Y CN201042779 Y CN 201042779Y
- Authority
- CN
- China
- Prior art keywords
- grinding wheel
- friction pulley
- diamond
- wheel
- mounting bracket
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a dressing device for super-hard grinding wheels, which comprises a fixture, a mounting frame, three friction wheels, two transmission core shafts and a diamond grinding wheel; the device is fixed on a spindle box via the mounting frame, the transmission core shafts are arranged in a fixing cover via a bearing, the fixing cover is fixed on the mounting frame, the one end of the transmission core shafts is connected with the friction wheels, and the other end is connected with the diamond grinding wheel. The fixture, which is used to hold workpieces and arranged on the spindle, drives the friction wheels to rotate, and then the core shafts transfer the rotation movement to the diamond grinding wheel. The position of the diamond grinding wheel is turned to the working position needed via three friction wheels and two transmission core shafts. The utility model has the notable advantages of reduced cost, simple structure, convenient detachment and installation, good effect of dressing super-hard grinding wheel, and enhanced work efficiency, applied to mass production particularly; and the processing quality of elements is improved.
Description
Technical field
The utility model relates to a kind of trimming device of grinding tool process equipment, particularly a kind of hard grinding wheel.Specifically, utilizing friction pulley to transmit frictional force drives diamond-impregnated grinding wheel and rotates and repair a kind of hard grinding wheel and also claim the CBN emery wheel.
Background technology
In the manufacturing of machine components, for improving workpiece quality and precision, method for grinding extensively adopts.The face that grinding tool (emery wheel) contacts with workpiece in grinding process can wear and tear and be out of shape.For guaranteeing the surface quality and the precision of workpiece, must repair grinding tool (emery wheel).Method for trimming to plain wheel adopts diamond pen (natural diamond of a grain of rice size is welded on according on the base steel that the needs shape is installed) to be fixed on certain transmission mechanism emery wheel is repaired usually.Because plain wheel is softer, it is very fast to wear and tear in grinding, and the finishing number of times is more, and emery wheel is short service life, and production efficiency is low, and labour intensity is big.
For life-span that prolongs emery wheel and surface quality and the efficient that improves workpiece, a kind of hard grinding wheel (CBN) is widely adopted, because the natural diamond wearing and tearing that the traditional diamond pen of the very hard employing of hard grinding wheel is welded on when repairing on the diamond pen are very fast, in case therefore the natural diamond corner angle just wear away and hard grinding wheel can't be trimmed to due requirement in finishing, directly influence workpiece surface quality then.
Summary of the invention
Goal of the invention: the purpose of this utility model is that a kind of simple in structure, convenient, processing ease of mounting or dismounting is provided at the deficiencies in the prior art, and has the trimming device of a kind of hard grinding wheel of good actual use effect.
Technical scheme: the trimming device of hard grinding wheel described in the utility model comprises being installed in the clamp body that is used for holding workpiece on the main shaft, mounting bracket, three friction pulleys, two drive mandrel and a diamond-impregnated wheel and two fixed covers that are used to install bearing and mandrel; This mechanism drives friction wheel from rotation by being installed in the clamp body that is used for holding workpiece on the main shaft, two drive mandrel are installed in the corresponding fixed cover by bearing respectively, two fixed covers are fixed on the mounting bracket, by three friction pulleys, two drive mandrel the position of diamond-impregnated wheel is gone on the needed operating position, mounting bracket is fixed on the main spindle box.
Light in order to install and remove, the material selection aluminium alloy of mounting bracket.
For easy to adjust, mounting bracket is provided with the adjustment link, and the back that puts in place gets final product with screw lock.
The operation principle of the utility model mechanism is: diamond-impregnated wheel is plated in it on base steel with electric plating method by the natural diamond of numerous granule shape.Diamond-impregnated wheel and CBN hard grinding wheel must produce relative motion ability trimming wheel, in case the direction of rotation of emery wheel determines that the direction of rotation of diamond-impregnated wheel is just determined.The rotation of diamond-impregnated wheel is achieved in that the clamp body by being installed on the main shaft drives three friction wheel from rotation that cooperatively interact near friction pulley by the frictional force effect, and then drives diamond-impregnated wheel rotation and finishing hard grinding wheel.Three friction pulleys, two drive mandrel go to needed operating position with the position of diamond-impregnated wheel, i.e. the position at hard grinding wheel place on the grinding machine.For easy to adjust, coarse positioning of the screw that mounting bracket links to each other with main spindle box, another is designed to the distance that the waist-hole type shape can be regulated the clamp body on friction pulley and the main shaft, and on mounting bracket, be provided with two Hough hole adjustment laterally, position longitudinally.Use screw lock after putting in place.
Beneficial effect: remarkable advantage of the present utility model is to have reduced design and manufacturing cost, and is simple in structure, and mounting or dismounting are convenient, the finishing hard grinding wheel is effective, can increase work efficiency, and is particularly useful for producing in batches; Improve part processing quality and precision.
Description of drawings
Fig. 1 is a structural representation of the present utility model, and Fig. 2 is Fig. 1 side-looking direction schematic diagram.
The specific embodiment
Be described further below in conjunction with accompanying drawing (omitting the associated mechanical structure in the main spindle box among the figure).
The correcting device of hard grinding wheel described in the utility model comprises bolt 1, mounting bracket 2, friction pulley 3, drive mandrel 4, fixed cover 5, bearing 6, friction pulley 7, friction pulley 8, drive mandrel 9, fixed cover 10, bearing 11, diamond-impregnated wheel 12, clamp body 13.The clamp body 13 that is installed on the main shaft drives friction pulley 3 rotations near friction pulley 3 by the frictional force effect, the two ends of drive mandrel 4 link to each other with friction pulley 7 with friction pulley 3 respectively, drive mandrel 4 is installed in the fixed cover 5 by bearing 6, and fixed cover 5 is fixed on the mounting bracket 2.Drive friction pulley 7 rotations by drive mandrel 4, and friction pulley 7 drives friction pulley 8 rotations near friction pulley 8 by the frictional force effect, the two ends of drive mandrel 9 are connected with diamond-impregnated wheel 12 with friction pulley 8 respectively, drive mandrel 9 is installed in the fixed cover 10 by bearing 11, fixed cover 10 is fixed on the mounting bracket 2, it is horizontal to be provided with two Hough hole adjustment on mounting bracket 2, position longitudinally, the back screw lock puts in place, guarantee that clamp body 13 is near friction pulley 3, friction pulley 7 is near friction pulley 8, drive diamond-impregnated wheel 12 rotations by frictional force transmission layer by layer, thereby finish the makeover process of hard grinding wheel.Coarse positioning of the screw that mounting bracket 2 links to each other with main spindle box is a bolt 1, and another is designed to the distance that the waist-hole type shape is regulated the clamp body 13 on friction pulley 3 and the main shaft.Diamond-impregnated wheel 12 is to be matrix with 45 steel, and periphery is inlayed a circle diamond, and the finishing hard grinding wheel is finished with peripheral this circle diamond exactly.Diamond-impregnated wheel 12 must produce relative motion ability trimming wheel with the CBN hard grinding wheel, in case the direction of rotation of emery wheel determines that the direction of rotation of diamond-impregnated wheel 12 is just determined.In order to ensure the finishing effect of CBN hard grinding wheel, the CBN hard grinding wheel must move back and forth several times.For this mechanism mounting or dismounting light, the material selection aluminium alloy of mounting bracket 2.
Claims (3)
1. the trimming device of a hard grinding wheel is characterized in that it comprises bolt (1), mounting bracket (2), friction pulley (3,7,8), drive mandrel (4,9), fixed cover (5,10), clamp body (13); Clamp body (13) drives friction pulley (3) rotation, drive mandrel (4) is installed in the fixed cover (5) by bearing (6), its two ends are fixedly connected with friction pulley (3,7) respectively, drive mandrel (9) is installed in the fixed cover (10) by bearing (11), its two ends are fixed with friction pulley (8) and diamond-impregnated wheel (12) respectively, friction pulley (7) drives friction pulley (8) rotation, fixed cover (5,10) is fixed on the mounting bracket (2), and mounting bracket (2) is installed on the main spindle box by bolt (1).
2. the trimming device of hard grinding wheel according to claim 1 is characterized in that fixed cover (5,10) is fixed in the Hough hole of mounting bracket (2).
3. the trimming device of hard grinding wheel according to claim 1 and 2 is characterized in that coarse positioning of screw that mounting bracket (2) links to each other with main spindle box, and another is the waist-hole type shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200368485U CN201042779Y (en) | 2007-04-30 | 2007-04-30 | Device for trimming superhard abrasive wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200368485U CN201042779Y (en) | 2007-04-30 | 2007-04-30 | Device for trimming superhard abrasive wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201042779Y true CN201042779Y (en) | 2008-04-02 |
Family
ID=39257667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200368485U Expired - Lifetime CN201042779Y (en) | 2007-04-30 | 2007-04-30 | Device for trimming superhard abrasive wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201042779Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100488731C (en) * | 2007-05-09 | 2009-05-20 | 南京数控机床有限公司 | Device for trimming extra hard grinding wheel |
-
2007
- 2007-04-30 CN CNU2007200368485U patent/CN201042779Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100488731C (en) * | 2007-05-09 | 2009-05-20 | 南京数控机床有限公司 | Device for trimming extra hard grinding wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070430 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |