CN201316936Y - Clamp for grinding revolving center - Google Patents
Clamp for grinding revolving center Download PDFInfo
- Publication number
- CN201316936Y CN201316936Y CNU200820211606XU CN200820211606U CN201316936Y CN 201316936 Y CN201316936 Y CN 201316936Y CN U200820211606X U CNU200820211606X U CN U200820211606XU CN 200820211606 U CN200820211606 U CN 200820211606U CN 201316936 Y CN201316936 Y CN 201316936Y
- Authority
- CN
- China
- Prior art keywords
- live center
- main shaft
- revolving center
- chassis
- reconditioning
- 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 relates to a clamp, in particular to a clamp for grinding a revolving center. The utility model solves the problem that: in the existing method for grinding the revolving center, the revolving center needs to be disconnected totally; furthermore, as no special disassembly tool is used in the disassembly process of the revolving center, the assembly precision of the revolving center is difficult to be ensured, thus affecting the processing quality of the workpiece. A rotating shaft is arranged on a positioning mainshaft by two connecting brackets; the right end of the rotating shaft is provided with a rotating handle; the left end of the rotating shaft is provided with a small gear; the left end of the positioning mainshaft is provided with a large gear; the small gear is arranged above the large gear and is engaged with the large gear; one end of an L-shaped pulling rod is fixedly connected on the large gear; the other end of the L-shaped pulling rod is connected with one end of a clamping head; and the other end of the clamping head is fixedly connected with the side wall of the revolving center. The utility model carries out the grinding operation without disassembling the revolving center, ensures the original assembly precision of the revolving center and provides technical quality guarantee for the grinding and reuse of the revolving center.
Description
Technical field
The utility model relates to a kind of anchor clamps, is specifically related to a kind of anchor clamps of reconditioning live center.
Background technology
Live center is the essential instrument that uses in the machining, and in long-term the use, cause live center various quality problems to occur easily: 1, the cone angle of live center withstands in the workpiece centre hole for 60 °, wearing and tearing in use occur, and angle is inaccurate.2, add man-hour because the depth of cut is excessive, top load increases the weight of, and causes cutter to burst apart, workpiece produces and moves, and top damage is very serious, and the lighter produces live center and beats, the paracone part that heavy person's cone angle is 60 ° is damaged fully, and whole live center can not re-use as not reconditioning.3, live center the top phenomenon of cutter scratching often occurs in use, makes 60 ° of conical surface linearity of cone angle bad, influences top precision, and is also bad 60 ° of conical surface tops of workpiece easily.
The method of existing reconditioning live center is with live center main body 20-1 and taper shank part 20-2 (No. 5, Mohs) completely knocked down (referring to Fig. 5), top after reconditioning is finished on the cylindrical grinder with live center main body 20-1, live center main body 20-1 is connected with taper shank part 20-2 again, whole live center reconditioning finishes, because live center is in unloading process, do not have special-purpose mounting or dismounting tools, be difficult to guarantee the assembly precision of live center, so that do not reach the precision of dispatching from the factory of live center; Live center after the reconditioning in use, axial runout influences the crudy of workpiece greater than 0.03mm.
The utility model content
The utility model provides a kind of anchor clamps of reconditioning live center, need be to solve existing live center grinding method with the whole completely knocked down of live center, because live center does not have special-purpose mounting or dismounting tools in unloading process, be difficult to guarantee the assembly precision of live center, influence the problem of the crudy of workpiece.
The utility model is to solve the problems of the technologies described above the technical scheme of taking to be: a kind of anchor clamps of reconditioning live center comprise chassis and location main shaft, described anchor clamps also comprise the live center control device for pivoting, stretching screw and tightening nut, described live center control device for pivoting is by gear wheel, pinion, two connection supports, turning handle, L shaped driving lever, chuck and turning cylinder are formed, have taper hole vertically in the left end of described location main shaft, have central through hole vertically on the main shaft of described location, described central through hole communicates with taper hole, described stretching screw is inserted in taper hole and the central through hole, one end of described stretching screw and the inwall of live center are affixed, and the other end of described stretching screw is fixed on the right side of location main shaft by tightening nut; Described turning cylinder is installed on the main shaft of location by two connection supports, the right-hand member of described turning cylinder is equipped with turning handle, the left end of described turning cylinder is equipped with pinion, the left end of described location main shaft is equipped with gear wheel, described pinion is arranged on the top of gear wheel and is meshing with each other, one end of described L shaped driving lever is fixed on the gear wheel, the other end of described L shaped driving lever is connected with an end of chuck, the other end of described chuck is fixed on the sidewall of live center main body, and described chassis is connected support and connects respectively with two.
The beneficial effects of the utility model are: the utility model adopts the live center control device for pivoting, and not needing live center is just dismantled can reconditioning, has reduced operating process, has reduced labor intensity of operating personnel, has improved operating efficiency more than 50%; Adopt stretching screw that live center is carried out axial restraint, guaranteed the stability of grinding live center, improved the reconditioning precision; Clamp structure of the present utility model is simple, and is easy for installation, simple to operate, under the situation of not dismantling live center, carry out reconditioning, guaranteed original assembly precision of live center, provide technical quality to guarantee for the live center reconditioning utilizes again, save a large amount of tool expense, satisfied the production needs.
Description of drawings
Fig. 1 is a front view of the present utility model, and Fig. 2 is the vertical view of Fig. 1, Fig. 3 be the A of Fig. 1 to view, Fig. 4 is the B-B cutaway view of Fig. 1, Fig. 5 is the structural representation of live center.
The specific embodiment
The specific embodiment one: shown in Fig. 1～4, the anchor clamps of the described reconditioning live center of present embodiment comprise chassis 1 and location main shaft 2, described anchor clamps also comprise the live center control device for pivoting, stretching screw 13 and tightening nut 12, described live center control device for pivoting is by gear wheel 3, pinion 4, two connection supports 5, turning handle 6, L shaped driving lever 7, chuck 8 and turning cylinder 16 are formed, have taper hole 2-1 vertically in the left end of described location main shaft 2, have central through hole 2-2 vertically on the described location main shaft 2, described central through hole 2-2 communicates with taper hole 2-1, described stretching screw 13 is inserted in taper hole 2-1 and the central through hole 2-2, one end of described stretching screw 13 and the inwall of live center 20 are affixed, and the other end of described stretching screw 13 is fixed on the right side of location main shaft 2 by tightening nut 12; Described turning cylinder 16 is installed on the main shaft 2 of location by two connection supports 5, the right-hand member of described turning cylinder 16 is equipped with turning handle 6, the left end of described turning cylinder 16 is equipped with pinion 4, the left end of described location main shaft 2 is equipped with gear wheel 3, described pinion 4 is arranged on the top of gear wheel 3 and is meshing with each other, one end of described L shaped driving lever 7 is fixed on the gear wheel 3, the other end of described L shaped driving lever 7 is connected with an end of chuck 8, the other end of described chuck 8 is fixed on the sidewall of live center main body 20-1, and described chassis 1 is connected support 5 and connects respectively with two.
The specific embodiment two: as shown in Figure 2, the described chassis 1 of present embodiment is made up of chassis main body 1-1 and two bearing rib 1-2, and described chassis main body 1-1 is connected support 5 by two bearing rib 1-2 and connects respectively with two.So be provided with, be convenient to anchor clamps are fixed on the bed surface of cylindrical grinder.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: as shown in Figure 1, the angle α between the described chassis of present embodiment main body 1-1 and the location main shaft 2 is 60 °.So be provided with, guarantee that the cone angle of the live center of reconditioning is 60 °, make the live center of reconditioning reach the precision of dispatching from the factory fully.Other composition and annexation are identical with the specific embodiment one.
Operation principle:
At first chassis 1 is fixed on the bed surface of cylindrical grinder, the center line of location main shaft 2 and the bed surface center height of cylindrical grinder guarantee at 150 ± 0.005mm, the live center center is high high consistent with lathe emery wheel center in the time of so just guaranteeing reconditioning, the taper shank part 20-2 (No. 5, Mohs) of live center 20 is inserted in the taper hole 2-1 of location main shaft 2, with stretching screw 13 and tightening nut 12 live center 20 is strained (the live center afterbody is provided with screw), driving turning cylinder 16 by hand rotation handle 6 during reconditioning rotates, turning cylinder 16 rotation driving pinions 4 rotate, the rotation of pinion 4 drives gear wheel 3 and rotates (the rotating speed of emery wheel when modulus and the work of number of teeth design consideration lathe, the amount of feeding is determined the gearratio of big pinion), gear wheel 3 rotates drive location main shaft 2 and L shaped driving lever 7 rotates synchronously, L shaped driving lever 7 rotates drive chuck 8 and rotates synchronously with location main shaft 2, chuck 8 rotations drive live center 20 and rotate synchronously with location main shaft 2, guarantee that live center 20 and location main shaft 2 rotate synchronously.
Claims (3)
1, a kind of anchor clamps of reconditioning live center, described anchor clamps comprise chassis (1) and location main shaft (2), it is characterized in that: described anchor clamps also comprise the live center control device for pivoting, stretching screw (13) and tightening nut (12), described live center control device for pivoting is by gear wheel (3), pinion (4), two connection supports (5), turning handle (6), L shaped driving lever (7), chuck (8) and turning cylinder (16) are formed, have taper hole (2-1) in the left end of described location main shaft (2) vertically, have central through hole (2-2) on the described location main shaft (2) vertically, described central through hole (2-2) communicates with taper hole (2-1), described stretching screw (13) is inserted in taper hole (2-1) and the central through hole (2-2), the inwall of one end of described stretching screw (13) and live center (20) is affixed, and the other end of described stretching screw (13) is fixed on the right side of location main shaft (2) by tightening nut (12); Described turning cylinder (16) is installed on the location main shaft (2) by two connection supports (5), the right-hand member of described turning cylinder (16) is equipped with turning handle (6), the left end of described turning cylinder (16) is equipped with pinion (4), the left end of described location main shaft (2) is fixed with gear wheel (3), described pinion (4) is arranged on the top of gear wheel (3) and is meshing with each other, one end of described L shaped driving lever (7) is fixed on the gear wheel (3), the other end of described L shaped driving lever (7) is connected with an end of chuck (8), the other end of described chuck (8) is fixed on the sidewall of live center main body (20-1), and described chassis (1) is connected support (5) and connects respectively with two.
2, the anchor clamps of reconditioning live center according to claim 1, it is characterized in that: described chassis (1) is made up of chassis main body (1-1) and two bearing ribs (1-2), and described chassis main body (1-1) is connected support (5) by two bearing ribs (1-2) and connects respectively with two.
3, the anchor clamps of reconditioning live center according to claim 2 is characterized in that: the angle α between described chassis main body (1-1) and the location main shaft (2) is 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820211606XU CN201316936Y (en) | 2008-12-08 | 2008-12-08 | Clamp for grinding revolving center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820211606XU CN201316936Y (en) | 2008-12-08 | 2008-12-08 | Clamp for grinding revolving center |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201316936Y true CN201316936Y (en) | 2009-09-30 |
Family
ID=41195706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820211606XU Expired - Lifetime CN201316936Y (en) | 2008-12-08 | 2008-12-08 | Clamp for grinding revolving center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201316936Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098516A (en) * | 2017-12-21 | 2018-06-01 | 大连理工大学 | A kind of cylinder is top to grind frock in machine maintenance |
| CN108637853A (en) * | 2018-07-23 | 2018-10-12 | 山西省机电设计研究院 | Ultrasonic Nondestructive probe milling tools |
-
2008
- 2008-12-08 CN CNU200820211606XU patent/CN201316936Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108098516A (en) * | 2017-12-21 | 2018-06-01 | 大连理工大学 | A kind of cylinder is top to grind frock in machine maintenance |
| CN108098516B (en) * | 2017-12-21 | 2019-05-10 | 大连理工大学 | A kind of cylinder is top to grind tooling in machine maintenance |
| CN108637853A (en) * | 2018-07-23 | 2018-10-12 | 山西省机电设计研究院 | Ultrasonic Nondestructive probe milling tools |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090930 |
|
| CX01 | Expiry of patent term |