CN201350585Y - Ball bearing screw precision repair processing equipment - Google Patents
Ball bearing screw precision repair processing equipment Download PDFInfo
- Publication number
- CN201350585Y CN201350585Y CNU2008200507618U CN200820050761U CN201350585Y CN 201350585 Y CN201350585 Y CN 201350585Y CN U2008200507618 U CNU2008200507618 U CN U2008200507618U CN 200820050761 U CN200820050761 U CN 200820050761U CN 201350585 Y CN201350585 Y CN 201350585Y
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- vertical
- screw
- ball
- translation mechanism
- stepless
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Abstract
The utility model discloses a ball bearing screw precision repair processing equipment which comprises a longitudinal translation mechanism, a transverse translation mechanism, a stepless transformer supporting seat, a stepless transformer rod, a force balance component and a grinding apparatus which is driven by a drive mechanism; the grinding apparatus is at least arranged at one end of the stepless transformer rod; the force balance component is arranged at the other end of the stepless transformer rod which is movably connected onto the stepless transformer supporting seat through a pressure rod rotating shaft; the pressure rod rotating shaft is positioned between the two ends of the stepless transformer rod; and the stepless transformer supporting seat is connected with the longitudinal translation mechanism. The equipment can conveniently adjust the action force of the grinding apparatus imposed on a ball bearing screw to be processed and effectively achieves stepless transformer processing, and the accuracy of processing dimension can reach micron level and is high.
Description
Technical field
The utility model relates to mechanical field, is specifically related to a kind of ball-screw precision and repairs process equipment.
Background technology
Because ball line thick stick pair is after repeatedly using, can not normally use owing to wear and tear, one of existing settling mode is, change the little ball in the ball screw assembly, into big ball, but wearing and tearing back screw mandrel as shown in Figure 1, its diameter increases to end positions gradually from the stage casing, ball changed into can't solve pine in the middle of it behind the big ball, the duty that two ends are tight, another mode is to adopt the mode of hand grinding to realize, but the hand grinding precision utmost point be cannot say for sure to demonstrate,prove, the ball-screw percent defective of being repaiied is up to 99%, its inefficiency, so when designing the special ball-screw prosthetic appliance of a cover, need take into full account the different degrees of wear of ball-screw, when repairing, should give different reparation dynamics (degree of depth) at different axial locations, in the hope of reaching the uniformity in footpath and groove shape at the bottom of the ball-screw, and guarantee footpath, the end and the ball-screw smallest base footpath before the mill is consistent.
Summary of the invention
The purpose of this utility model is to provide a kind of ball-screw precision to repair process equipment, and this equipment can impose different pressure to the different axial locations of ball-screw, and the stepless transformation processing of real realization is higher to the reparation machining accuracy of ball-screw.
The utility model is achieved through the following technical solutions:
A kind of ball-screw precision is repaired process equipment, this equipment comprises vertical, horizontal translation mechanism, stepless transformation bearing, stepless transformation bar, dynamic balance assembly and the grinding tool that is driven by driving mechanism, grinding tool is located at a wherein end of stepless transformation bar at least, the dynamic balance assembly is located at the other end of stepless transformation bar, stepless transformation bar is movably set on the stepless transformation bearing by the depression bar rotating shaft, this depression bar rotating shaft is between the two ends of stepless transformation bar, and stepless transformation bearing is connected with the vertical, horizontal translation mechanism.
Press the lever principle of mechanics, stepless transformation bar is as a lever, its fulcrum is the depression bar rotating shaft, stepless transformation bar can rotate around the depression bar rotating shaft, the two ends of stepless transformation bar are respectively two force sides, two force sides are born the power of grinding tool and dynamic balance mechanism respectively and are kept balance to a certain extent, if ball-screw to be processed, the power that dynamic balance mechanism acts on stepless transformation bar is respectively N1, N2, treat ball-screw to be processed, dynamic balance mechanism impetus is respectively L1 with respect to the distance of depression bar rotating shaft, L2, then by lever principle, N1*L1=N2*L2, under N2*L2 keeps constant relatively situation, can change the power that grinding tool acts on ball-screw to be processed by changing L1, change the dynamics (degree of depth) that adds man-hour thus; So the utility model is connected stepless transformation bearing with the vertical, horizontal translation mechanism, when the vertical, horizontal translation mechanism is pressed the speed translation of setting, can obtain desirable processing dynamics, accurate to dimension can reach micron order.
Further structure of the present utility model is:
The cross section of described grinding tool bottom is a circular arc, and this grinding tool is laid in the below of described stepless transformation bar and is driven by the grinding tool drive motors.Grinding tool can be used for ball-screw is carried out reconditioning, and grinding tool is located at the below of stepless transformation bar, and the rigidity of grinding tool in the time of can effectively guaranteeing reconditioning has influence on its machining accuracy to avoid grinding tool to occur bending and deformation.
Described dynamic balance assembly is a spring, and the one end acts on the described stepless transformation bar, and the other end acts on the described stepless transformation bearing.When processing or reconditioning, spring can provide a relative constant compression force to a wherein end of stepless transformation bar, under spring action, on the stepless variable force depression bar power is acted on the ball-screw that is repaired by grinding tool.
Described dynamic balance assembly also comprises the adjusting bolt, this adjusting bolt is located between the stepless transformation bearing of described spring and institute or between described spring and the stepless transformation bar, regulate bolt by rotation, can regulating spring act on the thrust of stepless transformation bar, starting force is adjusted during thus to grinding tool processing factory.
Be provided with a helical pitch automatic compensator on described vertical, horizontal translation mechanism, described stepless transformation bearing is installed on the described vertical, horizontal translation mechanism by this helical pitch automatic compensator.The helical pitch automatic compensator can compensate the rotating speed and the horizontal nonsynchronous problem of ball-screw of ball-screw to be processed, and it is compensated (stepless transformation bearing slightly moves along horizontal direction) automatically, and the helix of grinding tool and screw mandrel to be processed is matched.
Described vertical, horizontal translation mechanism comprises longitudinal translation mechanism and transverse translation mechanism, is provided with rotating shaft between longitudinal translation mechanism and transverse translation mechanism.Longitudinal translation mechanism rotates around rotating shaft, can adjust the angle of grinding tool, and the angle of grinding tool and the helical angle of ball-screw are adapted.
The board face of this equipment is provided with cross slide way, described transverse translation mechanism includes cross slide, horizontal drive motor, transverse slider and cross lead screw, described longitudinal translation mechanism comprises vertical base plate, vertical drive motor, longitudinal sliding block, vertically screw mandrel and vertical planker, horizontal drive motor is located on the board face, its output shaft is connected with cross lead screw, transverse slider cooperates with cross lead screw and forms the slide block screw pair, and cross slide is connected with transverse slider and cooperates with cross slide way; Described vertical base plate is located on the cross slide by the described rotating shaft of base plate and can also be provided with bolt between described vertical base plate and cross slide around described rotating shaft rotation; Vertically base plate is provided with and vertical consistent vertical chute of screw mandrel direction, vertical drive motor is located on vertical base plate, its output shaft is connected with vertical screw mandrel, longitudinal sliding block cooperates with vertical screw mandrel and forms the slide block screw pair, vertically planker is connected with longitudinal sliding block and matches with vertical chute, and described bearing is located on this vertical planker.Vertical drive motor drives the screw mandrel rotation, move and slide block is vertically moved and drive vertical planker, after vertically planker vertically moves, the grinding tool impetus changes with respect to the distance between the depression bar rotating shaft, thereby change the dynamics (degree of depth) that adds man-hour, and horizontal drive motor drive cross slide moves laterally, said structure can make stepless transformation bearing any moving in one plane, process with different parts, and adjust the processing dynamics of grinding tool ball-screw.
On described board face, also be provided with the anchor clamps parallel, and one of them anchor clamps is driven by the workpiece drive motors with described cross slide way.When processing or reparation ball-screw, ball-screw can be installed on the anchor clamps, and ball-screw to be processed and cross lead screw are rotated synchronously.
Described drive motors is a servomotor, and each servomotor all electrically connects with control circuit.Can set or control the rotating speed of each servomotor by control circuit (placing switch board), control the horizontal translational speed of cross slide, the vertically translational speed, velocity of rotation of grinding tool or the like of planker with this, and make the whole system co-ordination.
Description of drawings
Fig. 1 is the structure chart after the ball-screw wearing and tearing;
Fig. 2 is a structure chart of the present utility model;
Fig. 3 is vertical side view of Fig. 2;
Fig. 4 is the transverse side view of Fig. 2;
Fig. 5 is an A place enlarged drawing among Fig. 3;
Fig. 6 is the force diagram of stepless transformation bar;
Description of reference numerals:
1, stepless transformation bearing, 2, stepless transformation bar, 3, grinding tool, 4, depression bar rotating shaft, 5, the grinding tool drive motors, 6, ball-screw, 7, spring, 8, regulate bolt, 9, vertical base plate, 10, vertical drive motor, 11, longitudinal sliding block, 12, vertical screw mandrel, 13, vertical planker, 14, the board face, 15, cross slide way, 16, cross slide, 17, horizontal drive motor, 18, cross lead screw, 19, rotating shaft, 20, bolt, 21, anchor clamps, 22, the workpiece drive motors, 23, the helical pitch automatic compensator, 24, switch board, 25, vertical chute.
The specific embodiment
Extremely shown in Figure 5 as Fig. 1, a kind of ball-screw prosthetic appliance, this equipment comprises vertical, horizontal translation mechanism, stepless transformation bearing 1, stepless transformation bar 2, dynamic balance assembly and the grinding tool 3 that is driven by driving mechanism, grinding tool 3 is located at a wherein end of stepless transformation bar 2 at least, the dynamic balance assembly is located at the other end of stepless transformation bar 2, stepless transformation bar 2 is movably set on the stepless transformation bearing 1 by depression bar rotating shaft 4, this depression bar rotating shaft 4 is between the two ends of stepless transformation bar 2, and stepless transformation bearing 1 is connected with the vertical, horizontal translation mechanism.
Wherein, the cross section of grinding tool 3 bottoms is a circular arc, and this grinding tool 3 is laid in the below of stepless transformation bar 2 and is driven by grinding tool drive motors 5; Described dynamic balance assembly comprises regulates bolt 8 and spring 7, and an end of spring 7 acts on the stepless transformation bar 2, and the other end acts on the stepless transformation bearing 1 by regulating bolt 8.
The board face 14 of this equipment is provided with cross slide way 15, and the vertical, horizontal translation mechanism includes cross slide 16, horizontal drive motor 17, transverse slider, cross lead screw 18, vertical base plate 9, vertical drive motor 10, longitudinal sliding block 11, vertical screw mandrel 12 and vertical planker 13; Horizontal drive motor 17 is located on the board face 14, and its output shaft is connected with cross lead screw 18, and transverse slider cooperates with cross lead screw 18 and forms the slide block screw pair, and cross slide 16 is connected with transverse slider and cooperates with cross slide way 15; Vertically base plate 9 is located on the cross slide 16 by rotating shaft 19 and can vertically also be provided with bolt 20 between base plate 9 and the cross slide 16 around rotating shaft 19 rotations; Vertically base plate 9 is provided with and vertical consistent vertical chute 25 of screw mandrel 12 directions, vertical drive motor 10 is located on vertical base plate 9, its output shaft is connected with vertical screw mandrel 12, longitudinal sliding block 11 cooperates with vertical screw mandrel 12 and forms the slide block screw pair, vertically planker 13 is connected with longitudinal sliding block 11 and matches with vertical chute 25, and stepless transformation bearing 1 is installed on vertical planker 13 by helical pitch automatic compensator 23.On board face 14, also be provided with the anchor clamps 21 (be shaft coupling and tailstock) parallel, and one of them anchor clamps 21 (being shaft coupling) are driven by workpiece drive motors 22 with cross slide way 15; Aforementioned each drive motors is servomotor, and each servomotor all electrically connects with control circuit, and the described control circuit of present embodiment can adopt the mode of numerical control, and with the prior typing of parameters such as rotating speed of each drive motors, control circuit is located in the switch board 24.
Present embodiment is used for the reparation to ball-screw 6, when ball-screw 6 after long-time the use, its stage casing is thinner, two ends are thick (as shown in Figure 1), the two ends of the ball-screw 6 that will repair this moment are sandwiched on the anchor clamps 21, vertically base plate 9 can be adjusted the angle of grinding tool 3 around rotating shaft 19 rotations, after grinding tool 3 angle adjustment, with bolt 20 fastening location, adjust the initial position of grinding tool 3 and ball-screw 6 to be repaired again, and adjust initial action power between grinding tool 3 and the ball-screw to be repaired 6 by regulating bolt 8; Start each drive motors by switch board 24, under the effect of horizontal drive motor 17 and workpiece drive motors 22, grinding tool 3 is along the same moved further of the helix of ball-screw 6, simultaneously in different lateral attitudes (being the different axial locations of ball-screw 6), vertically planker 13 moves under the effect of vertical drive motor 10 along the longitudinal direction, as shown in Figure 6, stepless transformation bar 2 is equivalent to a lever, by lever principle N1*L1=N2*L2 as can be known, under N2*L2 keeps constant relatively situation, can change the power that grinding tool 3 acts on ball-screw 6 to be processed by changing L1, be that ball-screw 6 to be repaired and the distance between the depression bar rotating shaft 4 are when changing, the pressure that grinding tool 3 acts on ball-screw 6 to be repaired changes, grinding tool 3 gives screw mandrel to be repaired the different reparation degree of depth, the utility model is adjusted the moving displacement of vertical planker 13 by control circuit, can carry out the reparation of different depth easily to the different axial locations of ball-screw 6 to be repaired, the stepless transformation reparation of realization that can be real, reparation precision height, implementation is ingenious; In repair process, if vertically screw mandrel 12 is asynchronous at horizontal direction with grinding tool 3, can compensate automatically, to improve the precision of repairing by the lateral displacement of 23 pairs of grinding tools 3 of helical pitch automatic compensator.
Claims (9)
1, a kind of ball-screw precision is repaired process equipment, it is characterized in that, this equipment comprises the vertical grinding tool that reaches transverse translation mechanism, stepless transformation bearing, stepless transformation bar, dynamic balance assembly and driven by driving mechanism, grinding tool is located at a wherein end of stepless transformation bar at least, the dynamic balance assembly is located at the other end of stepless transformation bar, stepless transformation bar is actively socketed on the stepless transformation bearing by the depression bar rotating shaft, this depression bar rotating shaft is between the two ends of stepless transformation bar, and stepless transformation bearing is connected with longitudinal translation mechanism.
2, the ball-screw precision is repaired process equipment according to claim 1, it is characterized in that the cross section of described grinding tool bottom is a circular arc, and this grinding tool is laid in the below of described stepless transformation bar and is driven by the grinding tool drive motors.
3, the ball-screw precision is repaired process equipment according to claim 1, it is characterized in that described dynamic balance assembly is a spring, and the one end acts on the described stepless transformation bar, and the other end acts on the described stepless transformation bearing.
4, repair process equipment as ball-screw precision as described in the claim 3, it is characterized in that described dynamic balance assembly also comprises the adjusting bolt, this adjusting bolt is located between spring and the stepless transformation bearing or between spring and the stepless transformation bar.
5, the ball-screw precision is repaired process equipment according to claim 1, it is characterized in that, be provided with a helical pitch automatic compensator in described longitudinal translation mechanism, described stepless transformation bearing is installed in the described longitudinal translation mechanism by this helical pitch automatic compensator.
6, as claim 1 to 5 as described in each ball-screw repair process equipment, it is characterized in that described vertical, horizontal translation mechanism comprises longitudinal translation mechanism and transverse translation mechanism, between longitudinal translation mechanism and transverse translation mechanism, be provided with rotating shaft.
7, repair process equipment as ball-screw precision as described in the claim 6, it is characterized in that, the board face of this equipment is provided with cross slide way, described transverse translation mechanism includes cross slide, horizontal drive motor, transverse slider and cross lead screw, described longitudinal translation mechanism comprises vertical base plate, vertical drive motor, longitudinal sliding block, vertical screw mandrel and vertical planker, horizontal drive motor is located on the board face, its output shaft is connected with cross lead screw, transverse slider cooperates with cross lead screw and forms the slide block screw pair, and cross slide is connected with transverse slider and cooperates with cross slide way; Described vertical base plate is located on the cross slide by the described rotating shaft of base plate and can also be provided with bolt between described vertical base plate and cross slide around described rotating shaft rotation; Vertically base plate is provided with and vertical consistent vertical chute of screw mandrel direction, vertical drive motor is located on vertical base plate, its output shaft is connected with vertical screw mandrel, longitudinal sliding block cooperates with vertical screw mandrel and forms the slide block screw pair, vertically planker is connected with longitudinal sliding block and matches with vertical chute, and described bearing is located on this vertical planker.
8, repair process equipment as ball-screw precision as described in the claim 7, it is characterized in that, on described board face, also be provided with the anchor clamps parallel, and one of them anchor clamps is driven by the workpiece drive motors with described cross slide way.
9, repair process equipment as ball-screw precision as described in the claim 7, it is characterized in that described drive motors is a servomotor, each servomotor all electrically connects with control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200507618U CN201350585Y (en) | 2008-07-16 | 2008-07-16 | Ball bearing screw precision repair processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200507618U CN201350585Y (en) | 2008-07-16 | 2008-07-16 | Ball bearing screw precision repair processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201350585Y true CN201350585Y (en) | 2009-11-25 |
Family
ID=41373974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200507618U Expired - Fee Related CN201350585Y (en) | 2008-07-16 | 2008-07-16 | Ball bearing screw precision repair processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201350585Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221190A (en) * | 2018-01-04 | 2018-06-29 | 安徽宜民服饰股份有限公司 | Digital control type garment sewing device |
| CN116175081A (en) * | 2023-04-27 | 2023-05-30 | 中国机械总院集团宁波智能机床研究院有限公司 | Worn lead screw repairing device and method for applying same |
-
2008
- 2008-07-16 CN CNU2008200507618U patent/CN201350585Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221190A (en) * | 2018-01-04 | 2018-06-29 | 安徽宜民服饰股份有限公司 | Digital control type garment sewing device |
| CN116175081A (en) * | 2023-04-27 | 2023-05-30 | 中国机械总院集团宁波智能机床研究院有限公司 | Worn lead screw repairing device and method for applying same |
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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: 20091125 Termination date: 20110716 |