CN203765464U - Workpiece clamping and driving device for numerical control camshaft grinding machine - Google Patents
Workpiece clamping and driving device for numerical control camshaft grinding machine Download PDFInfo
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- CN203765464U CN203765464U CN201420028656.XU CN201420028656U CN203765464U CN 203765464 U CN203765464 U CN 203765464U CN 201420028656 U CN201420028656 U CN 201420028656U CN 203765464 U CN203765464 U CN 203765464U
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Abstract
The utility model relates to a workpiece clamping and driving device for a numerical control camshaft grinding machine. The workpiece clamping and driving device comprises a workpiece clamping system, a workpiece driving system and an electrical control system. The workpiece clamping and driving device can be installed on the numerical control camshaft grinding machine and used for clamping a workpiece and driving the workpiece to rotate. The workpiece clamping and driving device for the numerical control camshaft grinding machine can guarantee that the two ends of the workpiece synchronously rotate, torsional deformation cannot be generated in the machining process, and then machining accuracy is improved. Meanwhile, a heart carrier is not needed in the workpiece clamping and driving device for the numerical control camshaft grinding machine, assembly and disassembly time of the workpiece is shortened, and machining efficiency of the workpiece is improved. The device can be used for improving an existing numerical control camshaft grinding machine or used for clamping and driving the workpiece of a novel numerical control camshaft grinding machine, and has good application prospect.
Description
Technical field
The utility model relates to a kind of digital-control camshaft grinding machine piece-holder and drive unit, belongs to machine-building and control field.
Background technology
Camshaft is widely used in the engines such as gasoline engine or diesel engine, and in order to control the keying of switch or the air inlet and exhaust valve of injection pump, the quality of its crudy is directly determining the service behaviour of engine.Camshaft is formed by digital-control camshaft grinding machine grinding conventionally, during grinding, camshaft is clamped in top and tail point, by top drive workpiece, is rotated, and the interlock that rotatablely moves of the feed motion of emery wheel and workpiece, can process satisfactory camshaft.
Most digital-control camshaft grinding machine is to the clamping of workpiece and what drive to adopt is to utilize top and tail point to fix workpiece, in the part workpiece one end near top, a heart carrier is installed and is clamped workpiece, heart carrier is connected with the main shaft of the headstock, with main shaft, rotate, thereby drive workpiece to rotate together, headstock spindle is driven by Timing Belt by servomotor.This clamping and drive unit exist following shortcoming: 1) each workpiece loading and unloading all needs to load and unload heart carrier, affects operating efficiency; 2) only at top place, drive unit is set, and tail point does not have drive unit, if when the length of camshaft is larger, the distortion that can twist in grinding process, affects the precision of camshaft; 3) adopt toothed belt transmission, flexible because of Timing Belt, can increase camshaft manufacturing tolerance.
The shortcoming existing for current digital-control camshaft grinding machine, the utility model has designed a kind of digital-control camshaft grinding machine piece-holder and drive unit, in this device, has cancelled heart carrier, adopts gear drive, at top and tail point place, all has drive unit.
Digital-control camshaft grinding machine piece-holder and drive unit that the utility model is designed can be transformed current digital-control camshaft grinding machine, also can in newly-designed numerically control grinder, use, only top and structure tail point need to be changed, and control system still can be according to current wiring and control mode.
Summary of the invention
The purpose of this utility model is to provide a kind of digital-control camshaft grinding machine piece-holder and drive unit, and this device can be arranged on digital-control camshaft grinding machine holding workpiece and drive workpiece rotation.Because the required precision of camshaft is higher, require to want simple, to clamp critically adding man-hour workpiece grip mechanism, can not become flexible, workpiece can be according to the order-driven running of digital control system, and in process, workpiece can not have torsional deflection.
For achieving the above object, the technical solution adopted in the utility model is a kind of digital-control camshaft grinding machine piece-holder and drive unit, and this device comprises workpiece clamping system, workpiece drive system and electric control system.
The workpiece clamping system of this device comprises base plate, headstock case, bearing a, top, guide rail, back frame box, bearing b, tail point, workpiece; Headstock case is fixed on base plate, and top being arranged in headstock case toply supported by pair of bearings a, can in bearing a, rotate; Guide rail is fixed on base plate, and back frame box is arranged on guide rail, can slide along guide rail, realizes workpiece secured adjusted; Back frame box is provided with retaining mechanism and can be locked on guide rail, and tail point is arranged in back frame box, and tail point is supported by pair of bearings b, can in bearing b, rotate; Workpiece be placed on top and tail sharp between, by top and tail point is fixing.
The workpiece drive system of this device comprises motor support plate, servomotor, shaft coupling, power transmission shaft, gear c, holding screw a, gear a, key a, gripper shoe b, gear d, holding screw b, gear b, key b, gripper shoe a; Servomotor is arranged in motor support plate, and servomotor is connected with power transmission shaft one end by shaft coupling; The two ends of power transmission shaft are supported by gripper shoe a and gripper shoe b respectively; Gear c passes through the fixing power transmission shaft one end of holding screw a, the top gear a that is equipped with, and tail point is provided with gear b; Gear a is connected with top by key a, gear c and gear a engagement; The other end of power transmission shaft is provided with gear d, and gear d is fixed on power transmission shaft by holding screw b, and gear b is fixed on tail point by key b, gear d and gear b engagement; Described motor support plate, gripper shoe a, gripper shoe b are all fixed on base plate.
Workpiece is supportted by top and tail apical branch, and top end is conical, and conical bottom is two symmetrical protruding rectangles, and the end of workpiece is round taper hole, and round taper hole is two symmetrical rectangular recess, and the end shape of tail point is with top the same; During work, top and conical tip tail point is come in and gone out respectively in the round taper hole of workpiece, top and tail point rectangular preiection insert in the rectangular recess of workpiece end, workpiece just can be supportted with tail apical branch and be rotated with tail point with top by top like this.
The electric control system of this device comprises ac contactor contact, servo-driver, digital control system, A.C. contactor; Three-phase power line is connected to the input of servo-driver by ac contactor contact, the output of servo-driver connects servomotor, and servo-driver is connected with digital control system, and A.C. contactor is connected on the output of digital control system.
Compared with prior art, the utlity model has following beneficial effect.
1, digital-control camshaft grinding machine piece-holder described in the utility model and drive unit can guarantee that the rotation at workpiece two ends synchronizes, and are adding the distortion that can not twist man-hour, thereby are improving the precision of processing.
2, digital-control camshaft grinding machine piece-holder described in the utility model and drive unit do not need heart carrier, have shortened the lay day of workpiece, have improved the working (machining) efficiency of workpiece.
3, the utility model is applicable to clamping and the driving of digital-control camshaft grinding machine workpiece, can be used for transforming existing digital-control camshaft grinding machine or for newly clamping and the driving of digital-control camshaft grinding machine workpiece, have good application prospect.
Accompanying drawing explanation
Fig. 1 is digital-control camshaft grinding machine piece-holder and drive unit front view.
Fig. 2 is digital-control camshaft grinding machine piece-holder and drive unit top view.
Fig. 3 be digital-control camshaft grinding machine piece-holder and drive unit top with workpiece connection layout.
Fig. 4 is digital-control camshaft grinding machine piece-holder and drive unit control system schematic diagram.
In figure: 1, servomotor, 2, motor support plate, 3, shaft coupling, 4, headstock case, 5, power transmission shaft, 6, workpiece, 7, back frame box, 8, gripper shoe a, 9, base plate, 10, gripper shoe b, 11, guide rail, 12, key a, 13, gear a, 14, bearing a, 15, top, 16, tail point, 17, bearing b, 18, gear b, 19, key b, 20, holding screw a, 21, gear c, 22, gear d, 23, holding screw b, 24, ac contactor contact, 25, servo-driver, 26, digital control system, 27, A.C. contactor.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1 and Figure 2, the technical solution adopted in the utility model is a kind of digital-control camshaft grinding machine piece-holder and drive unit, and this device comprises workpiece clamping system, workpiece drive system and electric control system.
The workpiece clamping system of this device comprises base plate 9, headstock case 4, bearing a14, top 15, guide rail 11, back frame box 7, bearing b17, tail point 16, workpiece 6; Headstock case 4 is fixed on base plate 9, and top 15 are arranged in headstock case 4, and top 4 are supported by pair of bearings a14, can in bearing a14, rotate; Guide rail 11 is fixed on base plate 9, and back frame box 7 is arranged on guide rail 11, can slide along guide rail 11, realizes workpiece 6 secured adjusted; Back frame box 7 is provided with retaining mechanism and can be locked on guide rail 11, and tail point 16 is arranged in back frame box 7, and tail point 7 is supported by pair of bearings b17, can in bearing b17, rotate; Workpiece 6 be placed on top 15 and tail point 16 between, by top 15 and tail point 16 fixing.
The workpiece drive system of this device comprises motor support plate 2, servomotor 1, shaft coupling 3, power transmission shaft 5, gear c21, holding screw a20, gear a13, key a12, gripper shoe b10, gear d22, holding screw b23, gear b18, key b19, gripper shoe a8; Servomotor 1 is arranged in motor support plate 2, and servomotor 1 is connected with power transmission shaft 5 one end by shaft coupling 3; The two ends of power transmission shaft 5 are supported by gripper shoe a8 and gripper shoe b10 respectively; Gear c21 is by fixing power transmission shaft 5 one end of holding screw a20, and top 15 are equipped with gear a13, and tail point 16 is provided with gear b18; Gear a13 is connected with top 15 by key a12, gear c21 and gear a13 engagement; The other end of power transmission shaft 5 is provided with gear d22, and gear d22 is fixed on power transmission shaft 5 by holding screw b23, and gear b18 is fixed on tail point 16 by key b19, gear d22 and gear b18 engagement; Described motor support plate 2, gripper shoe a8, gripper shoe b10 are all fixed on base plate 9.
As shown in Figure 3, workpiece 6 by top 15 and tail point 16 support, top 15 end be taper shape, conical bottom is two symmetrical protruding rectangles, the end of workpiece 6 is round taper hole, and round taper hole is two symmetrical rectangular recess, and the end shape of tail point 16 is with top 15 the same; During work, top 15 and the conical tip of tail point 16 come in and go out respectively in the round taper hole of workpiece 6, top 15 and tail point 16 rectangular preiection insert in the rectangular recess of workpiece 6 ends, workpiece 6 just can be by top 15 with 16 supports of tail point and with top 15 and 16 rotations of tail point like this.
As shown in Figure 4, the electric control system of this device comprises ac contactor contact 24, servo-driver 25, digital control system 26, A.C. contactor 27; Three-phase power line is connected to the input of servo-driver 25 by ac contactor contact 24, the output of servo-driver 25 connects servomotor 1, and servo-driver 25 is connected with digital control system 26, and A.C. contactor 27 is connected on the output of digital control system 26.
After workpiece 6 is fixing, it is electric that digital control system 26 transmitted signals allow A.C. contactor 27 obtain, ac contactor contact 24 closures, servo-driver 25 power supplies; In running, digital control system 26 according to numerical control program to servo-driver 25 transmitted signals, servo-driver 25 drives servomotor 1 to rotate, servomotor 1 drives power transmission shaft 5 to rotate by shaft coupling 3, gear c21 driven gear a13 on power transmission shaft 5 rotates, and gear a13 drives top 15 to rotate, and the gear d22 driven gear b18 on power transmission shaft 5 rotates, gear b18 drives tail point 16 to rotate, workpiece 6 top 15 and the driving of tail point 16 under synchronously rotate.
The above specific embodiment is used for the utility model of explaining, rather than the utility model is limited.In the protection domain of design philosophy of the present utility model and claim, the utility model is made to any modification or change, all should be considered as protection domain of the present utility model.
Claims (2)
1. digital-control camshaft grinding machine piece-holder and a drive unit, is characterized in that: this device comprises workpiece clamping system, workpiece drive system and electric control system;
The workpiece clamping system of this device comprises base plate (9), headstock case (4), bearing a(14), top (15), guide rail (11), back frame box (7), bearing b(17), tail point (16), workpiece (6); Headstock case (4) is fixed on that base plate (9) is upper, and top (15) are arranged in headstock case (4), and top (4) are by pair of bearings a(14) support, can be at bearing a(14) in rotation; It is upper that guide rail (11) is fixed on base plate (9), and it is upper that back frame box (7) is arranged on guide rail (11), can slide along guide rail (11), realizes workpiece (6) secured adjusted; Back frame box (7) is provided with retaining mechanism, and can be locked at guide rail (11) upper, and tail point (16) is arranged in back frame box (7), and tail point (7) is by pair of bearings b(17) support, can be at bearing b(17) in rotation; Workpiece (6) is placed between top (15) and tail point (16), fixing by top (15) and tail point (16);
The workpiece drive system of this device comprises motor support plate (2), servomotor (1), shaft coupling (3), power transmission shaft (5), gear c(21), holding screw a(20), gear a(13), key a(12), gripper shoe b(10), gear d(22), holding screw b(23), gear b(18), key b(19), gripper shoe a(8); It is upper that servomotor (1) is arranged on motor support plate (2), and servomotor (1) is connected with power transmission shaft (5) one end by shaft coupling (3); The two ends of power transmission shaft (5) are respectively by gripper shoe a(8) and gripper shoe b(10) support; Gear c(21) by holding screw a(20) fixing power transmission shaft (5) one end, top (15) are equipped with gear a(13), tail point (16) is provided with gear b(18); Gear a(13) by key a(12) be connected gear c(21 with top (15)) and gear a(13) engagement; The other end of power transmission shaft (5) is provided with gear d(22), gear d(22) by holding screw b(23) be fixed on power transmission shaft (5), gear b(18) by key b(19) be fixed on tail point (16) above, gear d(22) and gear b(18) engagement; Described motor support plate (2), gripper shoe a(8), gripper shoe b(10) be all fixed on base plate (9);
Workpiece (6) is supported by top (15) and tail point (16), the end of top (15) is conical, conical bottom is two symmetrical protruding rectangles, the end of workpiece (6) is round taper hole, round taper hole is two symmetrical rectangular recess, and the end shape of tail point (16) is the same with top (15); During work, the conical tip of top (15) and tail point (16) is come in and gone out respectively in the round taper hole of workpiece (6), top (15) and tail point (16) rectangular preiection insert in the rectangular recess of workpiece (6) end, workpiece (6) just can be by top (15) and tail point (16) support and with top (15) and tail sharp (16) rotation like this;
The electric control system of this device comprises ac contactor contact (24), servo-driver (25), digital control system (26), A.C. contactor (27); Three-phase power line is connected to the input of servo-driver (25) by ac contactor contact (24), the output of servo-driver (25) connects servomotor (1), servo-driver (25) is connected with digital control system (26), and A.C. contactor (27) is connected on the output of digital control system (26).
2. according to a kind of digital-control camshaft grinding machine piece-holder and the drive unit shown in claim 1, it is characterized in that: after workpiece (6) is fixing, it is electric that digital control system (26) transmitted signal allows A.C. contactor (27) obtain, ac contactor contact (24) closure, servo-driver (25) power supply, in running, digital control system (26) according to numerical control program to servo-driver (25) transmitted signal, servo-driver (25) drives servomotor (1) to rotate, servomotor (1) drives power transmission shaft (5) to rotate by shaft coupling (3), gear c(21 on power transmission shaft (5)) driven gear a(13) rotate, gear a(13) drive top (15) to rotate, gear d(22 on power transmission shaft (5)) driven gear b(18) rotate, gear b(18) drive tail point (16) to rotate, workpiece (6) synchronously rotates under the driving of top (15) and tail point (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420028656.XU CN203765464U (en) | 2014-01-16 | 2014-01-16 | Workpiece clamping and driving device for numerical control camshaft grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420028656.XU CN203765464U (en) | 2014-01-16 | 2014-01-16 | Workpiece clamping and driving device for numerical control camshaft grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203765464U true CN203765464U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420028656.XU Withdrawn - After Issue CN203765464U (en) | 2014-01-16 | 2014-01-16 | Workpiece clamping and driving device for numerical control camshaft grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203765464U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737489A (en) * | 2014-01-16 | 2014-04-23 | 北京工业大学 | Workpiece clamping and driving device of numerical-control camshaft grinding machine |
| CN105598817A (en) * | 2016-03-18 | 2016-05-25 | 楼天翔 | Shaft part polishing device and using method thereof |
| CN105598813A (en) * | 2016-03-18 | 2016-05-25 | 方星 | Novel shaft part polishing device and using method thereof |
| CN105598816A (en) * | 2016-03-18 | 2016-05-25 | 浦江雄达机械设备有限公司 | Polishing device for shaft part and use method of polishing device |
| CN105598814A (en) * | 2016-03-18 | 2016-05-25 | 方星 | Shaft part polishing device and using method thereof |
| CN105619232A (en) * | 2016-03-18 | 2016-06-01 | 李长娟 | High-precision axle part polishing device and application method thereof |
| CN105751052A (en) * | 2016-03-18 | 2016-07-13 | 王晓耀 | Polishing device for polishing axis parts and using method of polishing device |
-
2014
- 2014-01-16 CN CN201420028656.XU patent/CN203765464U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737489A (en) * | 2014-01-16 | 2014-04-23 | 北京工业大学 | Workpiece clamping and driving device of numerical-control camshaft grinding machine |
| CN105598817A (en) * | 2016-03-18 | 2016-05-25 | 楼天翔 | Shaft part polishing device and using method thereof |
| CN105598813A (en) * | 2016-03-18 | 2016-05-25 | 方星 | Novel shaft part polishing device and using method thereof |
| CN105598816A (en) * | 2016-03-18 | 2016-05-25 | 浦江雄达机械设备有限公司 | Polishing device for shaft part and use method of polishing device |
| CN105598814A (en) * | 2016-03-18 | 2016-05-25 | 方星 | Shaft part polishing device and using method thereof |
| CN105619232A (en) * | 2016-03-18 | 2016-06-01 | 李长娟 | High-precision axle part polishing device and application method thereof |
| CN105751052A (en) * | 2016-03-18 | 2016-07-13 | 王晓耀 | Polishing device for polishing axis parts and using method of polishing device |
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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 |
Granted publication date: 20140813 Effective date of abandoning: 20161012 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |