CN202377878U - Device for grinding convex arc surface - Google Patents
Device for grinding convex arc surface Download PDFInfo
- Publication number
- CN202377878U CN202377878U CN2012201933106U CN201220193310U CN202377878U CN 202377878 U CN202377878 U CN 202377878U CN 2012201933106 U CN2012201933106 U CN 2012201933106U CN 201220193310 U CN201220193310 U CN 201220193310U CN 202377878 U CN202377878 U CN 202377878U
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- arc surface
- screw
- grinding
- anchor clamps
- fixed
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Abstract
The utility model discloses a device for grinding a convex arc surface, which comprises a fixed base, a sliding supporting seat, a rotating block, extension tubes, a clamp and a grinding wheel which are arranged on an internal circular grinder, wherein a slotted hole is longitudinally formed in the sliding supporting seat, the arrangement direction of the slotted hole is perpendicular to a main shaft of a machine tool, and the sliding supporting seat is connected with the fixed seat through a T-shaped bolt penetrated in the slotted hole; the rotating block is connected with a rotating shaft penetrated at the upper part of the sliding supporting seat into a whole; two through holes are formed in the rotating block, the axis of each through hole is vertical to the axis of the rotating shaft, and the two extension tubes are respectively penetrated in the two through holes; the clamp is fixed on one ends of the extension tubes; and the grinding wheel is opposite to the workpiece fixed on the clamp, and the axle of the grinding wheel is parallel to the rotating shaft. The device for grinding the convex arc surface solves the problem that the internal circular grinder is used for grinding the convex arc surface of a large-radius workpiece, enlarges the radius range of the ground convex arc surface, and has the advantages of simple structure and low manufacturing cost.
Description
Technical field
The utility model relates to a kind of device of grinding work piece arc surface, specifically a kind of device with internal grinder grinding raised arc surface.
Background technology
At present; The method of known grinding raised arc surface is to be contained in workpiece on the headstock of cylindrical grinder through anchor clamps to carry out grinding; The excuse frame is contained on the grinder bed; The headstock spindle revolution range is limited by grinder bed, and maximum grinding radius is the maximum radius that main shaft gyration is opened, and radius just can not grinding greater than the workpiece of the maximum radius of gyration of main shaft like this.The maximum grinding radius of cylindrical grinder receives the restriction of lathe grinding scope, and is very limited.Strengthen the specification of cylindrical grinder simply and come grinding long radius workpiece, not only with high costs, very uneconomical, can not find such lathe sometimes at one's side at all.The method of grinding little endoporus at cylindrical grinder has certain application, but in the relevant document of method of internal grinder cylindrical grinding cambered surface, can not find out data, still belongs to blank.
The utility model content
The utility model technical problem to be solved provides a kind of device at internal grinder grinding raised arc surface, solved the problem of grinding long radius workpiece convex arc surface, and the grinding scope can be adjusted conveniently.
The utility model is to solve the problems of the technologies described above the technical scheme that is adopted to be: a kind of device of grinding raised arc surface, be arranged on the internal grinder, and form by fixed pedestal, sliding bearing seat, moving block, telescoping tube, anchor clamps and emery wheel; Fixed pedestal is fixed on the internal grinder, and emery wheel is arranged on the machine tool chief axis of internal grinder; A horizontally disposed long slot bore is arranged on the sliding bearing seat, long slot bore direction is set perpendicular to machine tool chief axis, the sliding bearing seat is connected with fixed pedestal through the T type bolt that is located in the long slot bore; Moving block and a turning cylinder link into an integrated entity, and turning cylinder is located in the axis hole on sliding bearing seat top, and can in axis hole, turn round; On moving block, be provided with two through holes, the axis of through hole and the axis normal of turning cylinder, two telescoping tubes are located in respectively in two through holes, and are fixed by lock-screw; Clamps is at an end of telescoping tube; Emery wheel is relative with the workpiece that is fixed on the anchor clamps, and the wheel shaft of emery wheel is parallel with turning cylinder.
Described anchor clamps are made up of clamp body, pressing plate and hold-down bolt, and pressing plate is connected with clamp body through hold-down bolt.
Described clamp body is provided with T type groove, and an end of hold-down bolt is stuck in the T type groove, and the other end is connected with pressing plate.
Also be provided with puller bolt on the described clamp body, puller bolt withstands on the end of pressing plate away from workpiece.
Also be provided with driving mechanism on the described fixed pedestal; Driving mechanism is made up of support, leading screw, screw and handwheel; Support is fixed on the fixed pedestal, and the leading screw and the handwheel that are arranged on the support pass through Bevel Gear Transmission, and the screw and the anchor clamps that are arranged on the leading screw are relative; On anchor clamps, the one side of screw is provided with a direction and lead screw shaft to dovetail groove inequality, the taper directive wheel on the screw is arranged in the dovetail groove.
Described support is provided with one along the gathering sill of lead screw shaft to setting, and the guide pin that is fixed on the screw is arranged in the gathering sill.
Also be provided with on the described screw and regulate nail, regulate screw top on anchor clamps.
The beneficial effect of the utility model is: solved the problem in internal grinder grinding long radius workpiece convex arc surface.The base plate of supporting base and telescoping tube can be done very longly and adjustable positions; It is very big that the radius of convex arc surface that can grinding expands, and except that the convex arc surface of long radius workpiece, the convex arc surface of small radii also can grinding; And simple in structure, low cost of manufacture.Driving mechanism makes operation light, and its guide effect has improved machining accuracy.
Description of drawings
Fig. 1 is the vertical view of the utility model grinding attachment.
Fig. 2 is that the A-A of Fig. 1 is to cutaway view.
Fig. 3 is that the B-B of Fig. 1 is to cutaway view.
Fig. 4 is the structural representation of anchor clamps.
Fig. 5 is that Fig. 2 is that C-C is to cutaway view.
Fig. 6 is a workpiece sketch map wanting grinding.
Mark among the figure: 1, fixed pedestal, 2, the sliding bearing seat, 201, long slot bore, 3, moving block, 4, telescoping tube, 5, anchor clamps; 501, clamp body, 502, pressing plate, 503, hold-down bolt, 504, T type groove, 505, puller bolt, 506, dovetail groove; 6, emery wheel, 7, T type bolt, 8, turning cylinder, 9, lock-screw, 10, workpiece, 11, support; 111, gathering sill, 12, leading screw, 13, screw, 131, the taper directive wheel, 132, guide pin, 133, regulate nail; 14, handwheel, 15, bevel gear, 16, adjusting pad, 17, lining, 18, go up location-plate, 19, axle sleeve.
The specific embodiment
Specify the embodiment of the utility model in conjunction with accompanying drawing.
The device of the grinding raised arc surface of the utility model is arranged on the internal grinder, is made up of fixed pedestal 1, sliding bearing seat 2, moving block 3, telescoping tube 4, anchor clamps 5 and emery wheel 6.The fixed pedestal 1 that the upper surface is provided with T type groove is fixed on the lathe bed of internal grinder.Emery wheel 6 is arranged on the machine tool chief axis of internal grinder, with the lathe main axis rotation.Sliding bearing seat 2 is arranged on the fixed pedestal 1, and a horizontally disposed long slot bore 201 is arranged on sliding bearing seat 2, long slot bore 201 direction is set perpendicular to machine tool chief axis.Sliding bearing seat 2 is connected with fixed pedestal 1 through the T type bolt 7 that is located in the long slot bore 201; Make sliding bearing seat 2 on fixed pedestal 1, adjust the position.Moving block 3 and a turning cylinder 8 link into an integrated entity, and connected mode can adopt key to connect or welding.Turning cylinder 8 is located in the axis hole on sliding bearing seat 2 tops, and can in axis hole, turn round.On moving block 3, be provided with two through holes, the axis normal of the axis of through hole and turning cylinder 8, two telescoping tubes 4 are located in respectively in two through holes, and are locked by lock-screw 9.Through unclamping and tightening lock-screw 9, can adjust the relative position of telescoping tube 4 on moving block 3.The anchor clamps 5 that are used for fixing workpiece 10 to be ground are fixed on an end of telescoping tube 4, and can be with telescoping tube 4 moving axis 8 rotation that rotates.Emery wheel 6 is relative with the workpiece 10 that is fixed on the anchor clamps 5, and the wheel shaft of emery wheel 6 is parallel with turning cylinder 8.
The method of utilizing the device of described grinding raised arc surface to carry out grinding comprises the steps:
(1), workpiece is placed in the anchor clamps, and make workpiece machined surface to be ground relative, workpiece clamp is fastened with anchor clamps with emery wheel;
(2), unclamp lock-screw, the stroke of adjustment telescoping tube makes workpiece machined surface to be ground equal the convex arc surface radius and the stock removal sum that will be processed into to the distance in turning cylinder axle center, with lock-screw telescoping tube is fixed then;
(3), unclamp T type bolt, the position of adjustment sliding bearing seat on fixed pedestal moves in the feed range of emery wheel workpiece, uses T type bolt sliding bearing seat then;
(4), drive the anchor clamps moving axis center steering that rotates through manual or mechanically operated mode; Simultaneously; Starting machine tool chief axis makes it drive the emery wheel rotation; And do feed motion according to stock removal, and utilize emery wheel that machined surface is carried out grinding, go out to meet the convex arc surface of predetermined radii requirement until grinding on workpiece.
For the ease of fixation workpiece 10; And make it keep stable; Described anchor clamps 5 are made up of clamp body 501, pressing plate 502 and hold-down bolt 503; Workpiece 10 is placed between clamp body 501 and the pressing plate 502, and pressing plate 502 is connected with clamp body 501 through hold-down bolt 503, thereby be beneficial to pressing plate 502 workpiece 10 is fixed.
Also be provided with puller bolt 505 on the described clamp body 501; Puller bolt 505 withstands on the end of pressing plate 502 away from workpiece 10; With hold-down bolt 503 is fulcrum, is beneficial to the clamping dynamics that lever principle further improves anchor clamps, keeps workpiece 10 stablizing in process.
Described clamp body 501 is provided with T type groove 504, and an end of hold-down bolt 503 is stuck in the T type groove 504, and the other end is connected with pressing plate 502.Through the position of adjustment hold-down bolt 503 in T type groove 504, can change the relative position of pressing plate 502 and clamp body 501, thereby adapt to the needs of different sizes, shape workpiece.
One end of described turning cylinder 8 passes moving block 3, and this end that passes moving block 3 has a face of cylinder, is used as the datum level of measuring the convex arc surface radius.This face of cylinder adds that to the distance of workpiece convex arc surface the radius on the face of cylinder is workpiece convex arc surface radius.
When directly pulling telescoping tube 4 and making it rotate moving axis 8 rotation, can be according to handle on anchor clamps, with handled easily.In order to make operation light, can on fixed pedestal 1, driving mechanism be set, utilize driving mechanism to drive telescoping tube 4 and anchor clamps, make its moving axis 8 rotations that rotate.Driving mechanism is made up of support 11, leading screw 12, screw 13 and handwheel 14; Support 11 is fixed on the fixed pedestal 1; The leading screw 12 that is arranged on the support 11 passes through Bevel Gear Transmission with handwheel 14; The screw 13 that is arranged on the leading screw 12 is relative with anchor clamps 5, and the one side to screw 13 on anchor clamps 5 is provided with a direction and leading screw 12 axial dovetail grooves 506 inequality, and the taper directive wheel 131 on the screw 13 is arranged in the dovetail groove 506.Driving leading screw 12 by handwheel 14 through bevel gear rotates.Because the taper directive wheel 131 on the screw 13 is arranged in the dovetail groove 506 on the anchor clamps, thereby screw 13 can not be rotated.When leading screw 12 rotates; Screw 13 is being with taper directive wheel 131 to move up and down along leading screw, and dovetail groove 506 and leading screw 12 are with certain angle setting, when screw 13 moves along leading screw 12; Taper directive wheel 131 moves along dovetail groove 506, and drives the rotary feed campaign that clamp movement realizes workpiece.Can effectively reduce the dynamics of action need through this mode, make operation light, and improve the security of operation.In order the most effectively to drive, can leading screw 12 vertically be provided with, dovetail groove 506 is along the axial setting of telescoping tube 4.
In order further to improve the stability of screw 13 when moving; It is not shaken; A gathering sill 111 that axially is provided with along leading screw 12 can be set on described support 11; The guide pin 132 that is fixed on the screw 13 is arranged in the gathering sill 111,, reduces or avoid the radial effect power of 131 pairs of anchor clamps of taper directive wheel by the radial load that guide pin 132 and gathering sill 111 bear screw 13.
In order to guarantee that anchor clamps are adjacent to taper directive wheel 131 all the time when moving; And do not shake; Be provided with on can described screw 13 and regulate nail 133, regulate nail 133 and withstand on the anchor clamps 5, by the thrust of regulating nail 133 and the pulling force acting in conjunction of taper directive wheel 131; Guarantee anchor clamps turning cylinder 8 axially on do not shake, guarantee machining accuracy.
The model of internal grinder is different, but the scope of grinding is different, and this device is contained on the grinding machine of domestic medium a kind of specification less than normal, but grinding raised arc surface radius roughly is R200～700mm.
Between turning cylinder 8 and the sliding bearing seat 2, and can adopt plain bearing arrangement between leading screw 12 and the support 11,, also can replace with rolling bearing in order to make rotation brisk.
Claims (7)
1. the device of a grinding raised arc surface is arranged on the internal grinder, it is characterized in that: be made up of fixed pedestal (1), sliding bearing seat (2), moving block (3), telescoping tube (4), anchor clamps (5) and emery wheel (6); Fixed pedestal (1) is fixed on the internal grinder, and emery wheel (6) is arranged on the machine tool chief axis of internal grinder; A horizontally disposed long slot bore (201) is arranged on sliding bearing seat (2); Long slot bore (201) direction is set perpendicular to machine tool chief axis, sliding bearing seat (2) is connected with fixed pedestal (1) through the T type bolt (7) that is located in the long slot bore (201); Moving block (3) links into an integrated entity with a turning cylinder (8), and turning cylinder (8) is located in the axis hole on sliding bearing seat (2) top, and can in axis hole, turn round; On moving block (3), be provided with two through holes, the axis normal of the axis of through hole and turning cylinder (8), two telescoping tubes (4) are located in respectively in two through holes, and fixing by lock-screw (9); Anchor clamps (5) are fixed on an end of telescoping tube (4); Emery wheel (6) is relative with the workpiece (10) that is fixed on the anchor clamps (5), and the wheel shaft of emery wheel (6) is parallel with turning cylinder (8).
2. the device of a kind of grinding raised arc surface as claimed in claim 1; It is characterized in that: described anchor clamps (5) are made up of clamp body (501), pressing plate (502) and hold-down bolt (503), and pressing plate (502) is connected with clamp body (501) through hold-down bolt (503).
3. the device of a kind of grinding raised arc surface as claimed in claim 2 is characterized in that: described clamp body (501) is provided with T type groove (504), and an end of hold-down bolt (503) is stuck in the T type groove (504), and the other end is connected with pressing plate (502).
4. the device of a kind of grinding raised arc surface as claimed in claim 2 is characterized in that: also be provided with puller bolt (505) on the described clamp body (501), puller bolt (505) withstands on the end of pressing plate (502) away from workpiece (10).
5. the device of a kind of grinding raised arc surface as claimed in claim 1; It is characterized in that: described fixed pedestal also is provided with driving mechanism on (1); Driving mechanism is made up of support (11), leading screw (12), screw (13) and handwheel (14); Support (11) is fixed on the fixed pedestal (1); The leading screw (12) and the handwheel (14) that are arranged on the support (11) pass through Bevel Gear Transmission; The screw (13) that is arranged on the leading screw (12) is relative with anchor clamps (5), and the one side to screw (13) on anchor clamps (5) is provided with a direction and the axial dovetail groove (506) inequality of leading screw (12), and the taper directive wheel (131) on the screw (13) is arranged in the dovetail groove (506).
6. the device of a kind of grinding raised arc surface as claimed in claim 5; It is characterized in that: described support (11) is provided with a gathering sill (111) that axially is provided with along leading screw (12), and the guide pin (132) that is fixed on the screw (13) is arranged in the gathering sill (111).
7. the device of a kind of grinding raised arc surface as claimed in claim 5 is characterized in that: also be provided with on the described screw (13) and regulate nail (133), regulate nail (133) and withstand on the anchor clamps (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201933106U CN202377878U (en) | 2012-05-03 | 2012-05-03 | Device for grinding convex arc surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201933106U CN202377878U (en) | 2012-05-03 | 2012-05-03 | Device for grinding convex arc surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202377878U true CN202377878U (en) | 2012-08-15 |
Family
ID=46626397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201933106U Expired - Fee Related CN202377878U (en) | 2012-05-03 | 2012-05-03 | Device for grinding convex arc surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202377878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632437A (en) * | 2012-05-03 | 2012-08-15 | 洛阳理工学院 | Device and method for grinding convex circular-arc surface |
-
2012
- 2012-05-03 CN CN2012201933106U patent/CN202377878U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102632437A (en) * | 2012-05-03 | 2012-08-15 | 洛阳理工学院 | Device and method for grinding convex circular-arc surface |
| CN102632437B (en) * | 2012-05-03 | 2014-07-02 | 洛阳理工学院 | Device and method for grinding convex circular-arc surface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120815 Termination date: 20130503 |