CN113446921A - Device for testing distance from ball channel of ball nut with flange to inner side of flange face - Google Patents
Device for testing distance from ball channel of ball nut with flange to inner side of flange face Download PDFInfo
- Publication number
- CN113446921A CN113446921A CN202110595128.7A CN202110595128A CN113446921A CN 113446921 A CN113446921 A CN 113446921A CN 202110595128 A CN202110595128 A CN 202110595128A CN 113446921 A CN113446921 A CN 113446921A
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- Prior art keywords
- measuring
- ball nut
- flange
- seat
- connecting rod
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a device for checking the distance from a ball channel of a ball nut with a flange to the inner side of the flange surface, which comprises a workbench, a placing seat and a supporting seat, wherein the placing seat and the supporting seat are fixedly arranged on the workbench; the advantage is provided with fixed establishment, can reduce measuring error with the flange terminal surface of ball nut and the inseparabler laminating of the terminal surface of placing the seat, can be used for the production site to measure, not only reduces the inspection cost, can also improve inspection efficiency.
Description
Technical Field
The invention relates to a checking device, in particular to a checking device for the distance from a ball channel of a ball nut with a flange to the inner side of the flange face.
Background
The ball nut plays a vital role in transmission in automobile parts, and the part for realizing the transmission mainly comes from the ball channel, and the transmission effect is achieved through the operation of the steel ball in the ball channel of the ball nut. The requirements of the automobile part on the size precision are extremely strict, whether the size of the raceway meets requirements or not can directly influence whether the steel ball in the ball nut runs smoothly or not in work or not, whether the steel ball is blocked or not, whether the steel ball is cracked or not after long-time work or not and the like after the automobile part is assembled on an automobile. Therefore, the size parameters of the ball nut need to be controlled at any time in the production and processing process so as to ensure that the size of the processed product is within the size range of the technological requirement. At present, the dimension of the complex part is usually inspected by a precision inspection instrument through three coordinates, but the three coordinates are expensive, a specific inspection program needs to be compiled, the inspection time is long, the temperature and the humidity of an instrument storage environment have certain requirements, and regular maintenance is needed, so that the production cost of a factory is further increased, and the method is not suitable for being placed on a production site to carry out process control on the product at any time.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device for testing the distance from a ball channel of a ball nut with a flange to the inner side of the flange surface.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a take verifying attachment of flanged ball nut lane to flange face inboard distance, includes the workstation and fixes setting and be in the workstation on place seat, supporting seat, the upper end of placing the seat be provided with the recess that is used for placing ball nut, place the seat on the fixed navigation key that is provided with, ball nut's flange surface is provided with the keyway, work as ball nut place the recess of placing the seat in, the navigation key cooperate with the keyway on the flange to prevent ball nut from taking place to rotate, place the seat on be provided with the axial fixity mechanism that is used for fixed ball nut, the supporting seat on be provided with the measuring mechanism of the deviation of measuring the inboard distance of lane to flange face and standard distance.
Preferably, the measuring mechanism comprises a measuring head, a connecting lever, a connecting pin, a measuring instrument fixing seat, a measuring instrument and a lifting rod, the lifting rod is fixed with the measuring instrument fixing seat, the measuring head is fixed with the connecting lever, the connecting lever is fixedly connected with the measuring instrument fixing seat through the connecting pin, the measuring instrument is inserted into the measuring instrument fixing seat, the tail end of the measuring rod of the measuring instrument is in contact with the connecting lever, the measuring head is used for measuring the deviation between the distance from the ball track to the inner side of the flange surface and the standard distance, the measuring instrument fixing seat is hinged with the supporting seat, a spring is vertically arranged between the measuring instrument fixing seat and the supporting seat, and the upper end and the lower end of the spring are respectively and fixedly connected with the lower end surface of the measuring instrument fixing seat and the supporting seat.
Preferably, the measuring instrument is a lever comparator, and the tail end of a measuring rod of the lever comparator is in contact with the connecting lever.
Preferably, the axial fixing mechanism comprises a connecting plate, a pressing head, a handle, a first rotating connecting rod and a second rotating connecting rod, the connecting plate is fixedly connected with the placing seat, the handle is rotatably connected with the connecting plate, the first rotating connecting rod is vertically arranged, the lower end of the first rotating connecting rod is rotatably connected with the connecting plate, one end of the second rotating connecting rod is rotatably connected with the first rotating connecting rod, the other end of the second rotating connecting rod is provided with a through hole, the handle is fixedly provided with a cross rod, the cross rod passes through the through hole to be rotatably connected with the second rotating connecting rod, the pressing head is fixedly connected with the upper end of the first rotating connecting rod, when the ball nut is placed on the placing seat, a flange of the ball nut is abutted against the outer end face of the placing seat, and when the fixing mechanism is in a locking state, the pressure head is pressed against a flange of the ball nut, so that the ball nut is axially fixed.
Compared with the prior art, the device has the advantages that the fixing mechanism is arranged, the flange end face of the ball nut can be attached to the end face of the placing seat more closely, measuring errors are reduced, the device is short in testing beat, convenient to operate and accurate in measuring result, can be used for production field measurement, reduces testing cost and can improve testing efficiency.
Drawings
FIG. 1 is a schematic view of the distance from the lane of a flanged ball nut to the inside of the flange face of the present invention;
FIG. 2 is a schematic perspective view of the product of the present invention;
FIG. 3 is a second schematic perspective view of the product of the present invention;
FIG. 4 is a schematic perspective view of the present invention;
FIG. 5 is a schematic structural view of the fixing mechanism of the present invention;
fig. 6 is a schematic structural view of the placing seat of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in FIGS. 1-6, a device for checking the distance from the ball track of a flanged ball nut to the inner side of the flange surface comprises a workbench 1, a placing seat 2 fixedly arranged on the workbench, and a supporting seat 3, wherein the upper end of the placing seat 2 is provided with a groove 21 for placing the ball nut 4, the placing seat 2 is fixedly provided with a positioning key 22, the outer surface of the flange of the ball nut 4 is provided with a key groove, when the ball nut 4 is placed in the groove 21 of the placing seat 2, the positioning key 22 is matched with the key groove on the flange to prevent the ball nut 4 from rotating, the placing seat 2 is provided with an axial fixing mechanism for fixing the ball nut 4, the supporting seat 3 is provided with a measuring mechanism for measuring the deviation between the distance from the ball track to the inner side of the flange surface and a standard distance, and the measuring mechanism comprises a measuring head 61, a connecting lever 62, a connecting pin 63, a lever comparator fixing seat 64, The measuring device comprises a lever comparator 65 and a lifting rod 66, wherein the lifting rod 66 is fixed with a lever comparator fixing seat 64, a measuring head 61 is fixed with a connecting lever 62, the connecting lever 62 is fixedly connected with a measuring instrument fixing seat 64 through a connecting pin 63, the lever comparator 65 is inserted into the lever comparator fixing seat 64, the tail end of the measuring rod of the lever comparator 65 is contacted with the connecting lever 62, the measuring head 61 is used for measuring the deviation between the distance from a ball path to the inner side of a flange surface and a standard distance, the lever comparator fixing seat 64 is hinged with a supporting seat 3, a spring 31 is vertically arranged between the lever comparator fixing seat 64 and the supporting seat 3, and the upper end and the lower end of the spring 31 are respectively and fixedly connected with the lower end surface of the lever comparator fixing seat 64 and the supporting seat 3;
the axial fixing mechanism comprises a connecting plate 51, a pressure head 52, a handle 53, a first rotating connecting rod 54 and a second rotating connecting rod 55, the connecting plate 51 is fixedly connected with the placing seat 2, the handle 53 is rotatably connected with the connecting plate 51, the first rotating connecting rod 54 is vertically arranged, the lower end of the first rotating connecting rod is rotatably connected with the connecting plate 51, one end of the second rotating connecting rod 55 is rotatably connected with the first rotating connecting rod 54, the other end of the second rotating connecting rod 55 is provided with a through hole, the handle 53 is fixedly provided with a cross rod 57, the cross rod 57 is rotatably connected with the second rotating connecting rod 55 by penetrating through the through hole, the pressure head 52 is fixedly connected with the upper end of the first rotating connecting rod 54, when the ball nut 4 is placed on the placing seat 2, the flange of the ball nut 4 is pressed against the outer end surface of the placing seat 2, and the fixing mechanism is in the locked state, the pressure head 52 abuts on the flange of the ball nut 4, so that the ball nut 4 is fixed.
The use method of the inspection device comprises the following steps: the distance from the ball channel in the center of the standard component to the inner side of the flange surface and the numerical value of the process requirement have certain deviation values, the deviation values are known in engineering and can be used for calibrating the inspection device, and the calibration process specifically comprises the following steps: firstly observing whether the first rotary connecting rod 54 is in a vertical state, if the first rotary connecting rod 54 is in the vertical state, indicating that the inspection device is in a locked state, then the standard component cannot be placed into the groove 21 of the placing seat 2, at the moment, downwards rotating the handle 53 to ensure that the pressure head 52 is at a certain distance from the placing seat 2, then slightly lifting the lifting rod 62 and driving the lever comparator fixing seat 64 to slightly upwards make the connecting lever 62 and the measuring head 61 which are connected with the lever comparator fixing seat through the connecting pin 63 also upwards simultaneously, then placing the standard component on the placing seat 2, clamping the standard component into the key groove of the flange outer surface of the ball nut on the standard component by using the positioning key 22 to limit the rotation of the standard component, then axially moving the standard component to ensure that the inner side end surface of the flange on the standard component is attached to the outer end surface of the placing seat 2, upwards rotating the handle 53 after the attachment until the first rotary connecting rod 54 is in the vertical state, at the moment, tightly pressing the pressure head 52 and the flange outer side end surface of the standard component are fixed on the placing seat 2, at the moment, the lifting rod 62 is loosened, the lever comparator fixing seat 64 is reset under the action of the spring 31, the measuring head 61 is contacted with a central ball track in the standard component and starts to be tested, if the pointer indication value (namely the value deviating from 0 position displayed on the lever comparator) on the dial of the lever comparator 65 is consistent with the deviation value verified on the standard component, the value indicated by the pointer on the dial is the relative 0-position value when the subsequent to-be-tested component is measured, and then the steps are repeated to test the to-be-tested component; if the indication value of the pointer displayed on the lever comparator 65 is not consistent with the value of the mark on the standard part checking card, the pointer indication is consistent with the value checked on the standard part by adjusting the fine adjustment nut on the dial, the lifting rod 66 can be lifted up again only when the pointer indication is consistent with the value checked on the standard part, the standard part is taken out by rotating the handle 53 downwards, the steps are repeated to check the to-be-detected part, the measuring head 61 is contacted with the ball path at the center of the to-be-detected part, because the distance from the center ball path of the to-be-detected part to the inner side of the flange surface is not completely consistent with the distance from the center ball path of the standard part to the inner side of the flange surface under normal conditions, after the measuring head 61 enters the center ball path of the to-be-detected part, slight deviation can occur according to the actual position of the ball path, and the connecting lever 62 is driven, because the measuring head at the tail end of the lever comparator 65 is contacted with the connecting lever 62, the deviation is transferred to the tail end of the lever comparator 65, the deviation of the pointer on the dial plate is the actual deviation value, the sum of the actual deviation value and the nominal value (i.e. the distance from the ball path at the center of the standard part to the inner side of the flange surface) is the actually required measurement value d (i.e. the distance from the ball path at the center of the ball nut to the inner side of the flange surface), and the result is judged whether to be in the required range or not by comparing d with the process required value, so that whether the result is qualified or not is judged.
The scope of the present invention includes, but is not limited to, the above embodiments, and the present invention is defined by the appended claims, and any alterations, modifications, and improvements that may occur to those skilled in the art are all within the scope of the present invention.
Claims (3)
1. The utility model provides a take testing arrangement of ball nut lane to flange face inboard distance of flange which characterized in that: the measuring device comprises a workbench, a placing seat and a supporting seat, wherein the placing seat and the supporting seat are fixedly arranged on the workbench, a groove for placing a ball nut is formed in the upper end of the placing seat, a positioning key is fixedly arranged on the placing seat, a key groove is formed in the outer surface of a flange of the ball nut, when the ball nut is placed in the groove of the placing seat, the positioning key is matched with the key groove on the flange to prevent the ball nut from rotating, an axial fixing mechanism for fixing the ball nut is arranged on the placing seat, a measuring mechanism for measuring the deviation between the distance from a ball path to the inner side of the flange surface and a standard distance is arranged on the supporting seat, the measuring mechanism comprises a measuring head, a connecting lever, a connecting pin, a measuring instrument fixing seat, a measuring instrument and a lifting rod, the lifting rod is fixed with the measuring instrument fixing seat, and the measuring head is fixed with the connecting lever, the measuring instrument is inserted into the measuring instrument fixing seat, the tail end of a measuring rod of the measuring instrument is in contact with the connecting lever, the measuring head is used for measuring the deviation between the distance from a ball channel to the inner side of the flange face and the standard distance, the measuring instrument fixing seat is hinged with the supporting seat, a spring is vertically arranged between the measuring instrument fixing seat and the supporting seat, and the upper end and the lower end of the spring are respectively fixedly connected with the lower end face of the measuring instrument fixing seat and the supporting seat.
2. An inspection device for measuring the distance from a ball nut lane to the inside of a flange face as set forth in claim 1, wherein: the measuring instrument is a lever comparator, and the tail end of a measuring rod of the lever comparator is in contact with the connecting lever.
3. An inspection device for measuring the distance from a ball nut lane to the inside of a flange face as set forth in claim 1, wherein: the axial fixing mechanism comprises a connecting plate, a pressure head, a handle, a first rotating connecting rod and a second rotating connecting rod, the connecting plate is fixedly connected with the placing seat, the handle is rotatably connected with the connecting plate, the first rotating connecting rod is vertically arranged, the lower end of the first rotating connecting rod is rotatably connected with the connecting plate, one end of the second rotating connecting rod is rotatably connected with the first rotating connecting rod, the other end of the second rotating connecting rod is provided with a through hole, the handle is fixedly provided with a cross rod, the cross rod penetrates through the through hole to be rotatably connected with the second rotating connecting rod, the pressure head is fixedly connected with the upper end of the first rotating connecting rod, when the ball nut is placed on the placing seat, a flange of the ball nut is abutted against the outer end face of the placing seat, and when the fixing mechanism is in a locking state, the pressure head is pressed against the flange of the ball nut, so that the ball nut is axially fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110595128.7A CN113446921A (en) | 2021-05-28 | 2021-05-28 | Device for testing distance from ball channel of ball nut with flange to inner side of flange face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110595128.7A CN113446921A (en) | 2021-05-28 | 2021-05-28 | Device for testing distance from ball channel of ball nut with flange to inner side of flange face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113446921A true CN113446921A (en) | 2021-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110595128.7A Pending CN113446921A (en) | 2021-05-28 | 2021-05-28 | Device for testing distance from ball channel of ball nut with flange to inner side of flange face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113446921A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006194909A (en) * | 2000-06-13 | 2006-07-27 | Mitsutoyo Corp | Apparatus for measuring surface properties |
| CN201318925Y (en) * | 2008-12-12 | 2009-09-30 | 上海瀚氏模具成型有限公司 | Self-regulation hold-down mechanism used for check tool |
| CN207991495U (en) * | 2017-12-22 | 2018-10-19 | 广德锦汭轴承有限公司 | Ball screw screw raceway starting point special gauge |
| CN111059990A (en) * | 2019-12-25 | 2020-04-24 | 慈兴集团有限公司 | Ball screw channel precision detection device and method |
| CN215413546U (en) * | 2021-05-28 | 2022-01-04 | 启东锦桥轴承有限公司 | Device for testing distance from ball channel of ball nut with flange to inner side of flange face |
-
2021
- 2021-05-28 CN CN202110595128.7A patent/CN113446921A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006194909A (en) * | 2000-06-13 | 2006-07-27 | Mitsutoyo Corp | Apparatus for measuring surface properties |
| CN201318925Y (en) * | 2008-12-12 | 2009-09-30 | 上海瀚氏模具成型有限公司 | Self-regulation hold-down mechanism used for check tool |
| CN207991495U (en) * | 2017-12-22 | 2018-10-19 | 广德锦汭轴承有限公司 | Ball screw screw raceway starting point special gauge |
| CN111059990A (en) * | 2019-12-25 | 2020-04-24 | 慈兴集团有限公司 | Ball screw channel precision detection device and method |
| CN215413546U (en) * | 2021-05-28 | 2022-01-04 | 启东锦桥轴承有限公司 | Device for testing distance from ball channel of ball nut with flange to inner side of flange face |
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Application publication date: 20210928 |
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| RJ01 | Rejection of invention patent application after publication |