CN108731619A - A kind of accuracy detection unit and white body precision cubing - Google Patents
A kind of accuracy detection unit and white body precision cubing Download PDFInfo
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- CN108731619A CN108731619A CN201810553590.9A CN201810553590A CN108731619A CN 108731619 A CN108731619 A CN 108731619A CN 201810553590 A CN201810553590 A CN 201810553590A CN 108731619 A CN108731619 A CN 108731619A
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- 238000001514 detection method Methods 0.000 title claims abstract description 114
- 238000003825 pressing Methods 0.000 claims description 32
- 238000006073 displacement reaction Methods 0.000 claims description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract 3
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
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- 230000014509 gene expression Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
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Abstract
The invention discloses a kind of accuracy detection units and white body precision cubing.Accuracy detection unit includes pedestal, sliding block, sliding block locating piece, sliding block limit assembly and detection block；Pedestal is equipped with sliding groove, and sliding block is slidably matched with sliding groove, and the bottom wall of sliding groove is equipped with first positioning hole；Sliding block is equipped with second location hole；Sliding block limit assembly includes the first sliding block locating part, and the first sliding block locating part is mounted on the side wall of sliding groove；Detection block is fixedly connected with a slide block.The detection block of the present invention can move under the drive of sliding block along the sliding groove on pedestal, not only can easily carry out effectively avoiding workpiece to be checked when accuracy detection in small spatial operation, and high along the mode reliability that sliding groove moves, accuracy of detection is high.
Description
Technical Field
The invention relates to the field of precision detection, in particular to a precision detection unit and a body-in-white precision gauge.
Background
In the manufacturing industry, it is often necessary to detect the accuracy of product parts. For example, whether the surface difference, the seam allowance, the hole position and the like of the product part meet the qualified requirements is detected. When the existing precision gauge detects parts with complex structures and/or more detection points, the parts are easy to collide or interfere with the precision gauge.
Taking the welding manufacturing process of an automobile body as an example, the precision of the body-in-white is a main index of the welding process level. The high-precision white automobile body can improve the assembly effect of the general parts and components and can also improve the gap quality of the appearance of the automobile body. The checking fixture for detecting the precision of the body-in-white is generally provided with a plurality of precision detection units according to detection requirements, and a detection block on each precision detection unit adjusts the distance between the detection block and the surface of the body-in-white in a rotating mode.
Because the detection points on the body-in-white are many, the distance between each detection unit is small, the detection operation space is narrow, the operation is inconvenient, and the body-in-white is extremely easy to collide with the detection tool when loading or taking the workpiece in the precision detection process. In addition, the precision detection unit is prone to wear of the rotating shaft after being rotated for multiple times, which leads to reduction in detection precision of the precision detection unit.
Therefore, how to provide a precision detection unit which is convenient to operate, has high detection precision and can meet the operation requirement of a small space becomes a technical problem which needs to be solved urgently in the field.
Disclosure of Invention
The invention aims to provide a novel technical scheme of a precision detection unit which is convenient to operate, has high detection precision and can meet the operation requirement of a small space.
According to a first aspect of the present invention, there is provided an accuracy detection unit.
The precision detection unit comprises a base, a sliding block positioning piece, a sliding block limiting assembly and a detection block; wherein,
the base is provided with a sliding groove, the sliding block is in sliding fit with the sliding groove, and the bottom wall of the sliding groove is provided with a first positioning hole;
a second positioning hole is formed in the sliding block;
the sliding block positioning piece is arranged to be inserted into the first positioning hole and the second positioning hole so as to position the sliding block on the base;
the sliding block limiting assembly comprises a first sliding block limiting part which is arranged on the side wall of the sliding groove so as to limit the displacement of the sliding block along the depth direction of the sliding groove;
the detection block is fixedly connected with the sliding block.
Optionally, the base comprises a base body and a slide;
the base body with slide fixed connection, the sliding tray is located on the slide.
Optionally, the first slider limiting part comprises a first pressing block and a second pressing block;
the first pressing block and the second pressing block are respectively located at two ends of the sliding groove in the length direction.
Optionally, the first compression block is far away from the detection block relative to the second compression block;
the first pressing block is provided with a U-shaped groove, two side walls of the U-shaped groove are detachably connected with two side walls of the sliding groove respectively, and the bottom wall of the U-shaped groove faces the detection block;
the second pressing block is of a plate-shaped structure, and two ends of the second pressing block are detachably connected with two side walls of the sliding groove respectively.
Optionally, the slider limiting assembly further comprises a second slider limiting piece;
the sliding block is provided with a limiting groove extending along the length direction of the sliding groove;
a limiting part positioning hole is formed in the bottom wall of the sliding groove;
the second slider limiting part is matched with the limiting groove, and the second sliding limiting part is matched with the limiting part positioning hole so as to fix the second sliding limiting part on the base.
Optionally, the slider includes a slider body and a force application handle disposed at one end of the slider body away from the detection block, and the slider body is in sliding fit with the sliding groove.
Optionally, a sliding block positioning element placing seat is further disposed on the base, and the sliding positioning element placing seat is configured to place the sliding block positioning element when the sliding block positioning element is not matched with the first positioning hole and the second positioning hole.
Optionally, the precision detection unit further comprises a detection block connecting piece;
the two ends of the detection block connecting piece are respectively detachably connected with the sliding block and the detection block.
Optionally, the slider limiting assembly further includes a third slider limiting member;
a third slider limiting part hole for fixing the third slider limiting part is formed in the slider;
the third slider limiting part is arranged to abut against the outer surface of the base so as to limit displacement of the slider along the length direction of the sliding groove.
According to a second aspect of the invention, a body-in-white precision gauge is provided.
The body-in-white precision gauge comprises a gauge base, a body-in-white supporting unit and the precision detection unit; wherein,
the body-in-white support unit is configured to support a body-in-white;
the body-in-white supporting unit and the precision detecting unit are installed on the checking fixture base.
The detection block can move along the sliding groove on the base under the driving of the sliding block, so that a workpiece to be detected can be effectively avoided when precision detection is conveniently carried out in small-space operation, and the mode of moving along the sliding groove is high in reliability and detection precision.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural diagram of a view angle of an embodiment of a precision detecting unit according to the present disclosure.
Fig. 2 is a schematic structural diagram of another view angle of an embodiment of the precision detecting unit of the disclosure.
Fig. 3 is a partial structural schematic diagram of a slider of the precision detecting unit according to the present disclosure.
FIG. 4 is a schematic structural diagram of a slider of an embodiment of the precision detecting unit of the present disclosure.
The figures are labeled as follows:
the device comprises a base-1, a base body-11, a sliding seat-12, a sliding groove-120, a first positioning hole-1201, a limiting piece positioning hole-1202, a sliding block positioning piece placing seat-13, a sliding block-2, a sliding block body-21, a second positioning hole-211, a limiting groove-212, a third sliding block limiting piece hole-213, a force application handle-22, a sliding block positioning piece-3, a sliding block limiting component-4, a first pressing block-41, a second pressing block-42, a second sliding block limiting piece-43, a third sliding block limiting piece-44, a detection block-5 and a detection block connecting piece-6.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In order to solve the problem that the operation is inconvenient and the detection precision is easy to decline, the disclosure provides a precision detection unit.
As shown in fig. 1 to 4, the precision detecting unit of the present disclosure includes a base 1, a slider 2, a slider positioning member 3, a slider limiting assembly 4, and a detecting block 5.
The base 1 is provided with a sliding groove 120, and the sliding block 2 is in sliding fit with the sliding groove 120. In general, the sliding groove 120 may be a U-shaped groove, and different surfaces of the slider 2 correspond to the bottom wall and the side walls of the U-shaped groove, respectively. The slide block 2 may be a rectangular block or a rectangular plate, etc.
The bottom wall of the sliding groove 120 is provided with a first positioning hole 1201. The number of the first positioning holes 1201 can be flexibly set according to actual detection requirements, which is not further limited by the present disclosure.
The slider 2 is provided with a second positioning hole 211. When the slider 2 moves to a certain position along the sliding groove 120, the second positioning hole 211 may be opposite to the first positioning hole 1201. The number of the second positioning holes 211 can be flexibly set according to actual requirements, which is not further limited by the present disclosure.
The slider positioning member 3 may be inserted into the first positioning hole 1201 and the second positioning hole 211 to position the slider 2 on the base 1. When the slider 2 moves along the sliding slot 120 until the second positioning hole 211 is opposite to the first positioning hole 1201, the slider positioning element 3 can be inserted into the opposite first positioning hole 1201 and the second positioning hole 211, so as to position the slider 2 on the base 1. In specific implementation, the slider positioning element 3 may be in interference fit or clearance fit with the second positioning hole 211 and the first positioning hole 1201.
The structure of the slide positioning member 3 may be variously selected, for example, the slide positioning member 3 has a straight rod or an L-shaped rod structure, or the slide positioning member 3 has a pin-like structure.
The slider limiting assembly 4 comprises a first slider limiting part. The first slider stopper is mounted on a side wall of the slide groove 120 to restrict displacement of the slider 2 in the depth direction of the slide groove 120. The first slider limiting member may be mounted on the top end of the side wall of the sliding groove 120 by a bolt or a buckle. In addition, the installed first slider limiting member can be attached to the slider 2, so as to better limit the displacement of the slider 2 along the depth direction of the sliding groove 120. The slider 2 can be stably moved in the slide groove 120 of the base 1 by the restricting action of the first slide restricting member on the slider 2.
The detection block 5 is fixedly connected with the slide block 2. The above-mentioned fixed connection can be realized by welding or bolt connection. The detection block 5 may be, for example, a dummy detection block structure or the like according to different precision detection requirements.
The arrangement positions of the first positioning hole 1201 and the second positioning hole 211 of the precision detection unit of the present disclosure can be designed according to the detection requirements. When the detection device is used, the sliding block 2 slides to the position of the detection block 5, which effectively avoids a workpiece to be detected, along the sliding groove 120 of the base 1. And then placing the workpiece to be detected on a detection station. Then, the sliding block 2 slides along the sliding groove 120 to the position where the detection block 5 corresponds to the detection point on the workpiece to be detected, at this time, the first positioning hole 1201 corresponds to the second positioning hole 211, an operator can insert the sliding block positioning part 3 into the second positioning hole 211 and the first positioning hole 1201 in sequence, the sliding block 2 is fixed on the base 1, and the operator can perform precision detection operation. After the precision detection is completed, the slider positioning part 3 is firstly pulled out from the first positioning hole 1201 and the second positioning hole 211, then the slider 2 slides to the position of the detection block 5 effectively avoiding the workpiece to be detected along the sliding groove 120 of the base 1, and the workpiece to be detected can be moved away from the detection area of the precision detection unit.
The detection block 5 can be driven by the sliding block 2 to move along the sliding groove 120 on the base 1, so that a workpiece to be detected can be avoided effectively when precision detection is carried out in small-space operation conveniently, and the mode of moving along the sliding groove 120 is high in reliability and detection precision.
In one embodiment of the accuracy detecting unit of the present disclosure, the base 1 includes a base body 11 and a slider 12. The base body 11 is fixedly connected with the sliding base 12, and the sliding groove 120 is located on the sliding base 12. The fixed connection between the base body 11 and the sliding base 12 can be realized by means of bolt connection and the like.
In one embodiment of the accuracy detecting unit of the present disclosure, the first slider limiting member includes a first pressing block 41 and a second pressing block 42. The first pressing block 41 and the second pressing block 42 are respectively located at both ends of the sliding groove 120 in the length direction, so as to more effectively prevent the slider 2 from tilting in the sliding groove 120. Generally, the first pressing block 41 and the second pressing block 42 can both be attached to the slider 2.
Further, the first pressing block 41 is distant from the detection block 5 with respect to the second pressing block 42. The first compressing block 41 is provided with a U-shaped groove, two side walls of the U-shaped groove are detachably connected with two side walls of the sliding groove 120, respectively, and the bottom wall of the U-shaped groove faces the detecting block 5. The second compressing block 42 has a plate-shaped structure, and both ends of the second compressing block 42 are detachably connected to both side walls of the sliding groove 120, respectively. The detachable connection can be realized by means of bolt connection and the like.
In one embodiment of the precision detecting unit of the present disclosure, the slider position limiting assembly 4 further includes a second slider position limiting member 43. The slider 2 is provided with a stopper groove 212 extending in the longitudinal direction of the slide groove 120. The bottom wall of the sliding groove 120 is provided with a stopper positioning hole 1202. The number of the positioning holes 1202 of the position-limiting member can be flexibly set according to actual requirements, which is not further limited by the present disclosure.
The second slider position-limiting member 43 is matched with the position-limiting groove 212, and the second sliding position-limiting member 43 is matched with the position-limiting member positioning hole 1202, so as to fix the second sliding position-limiting member 43 on the base 1. The second slider position-limiting member 43 and the position-limiting groove 212 may be in clearance fit. The second sliding position-limiting member 43 can be engaged with the position-limiting member positioning hole 1202 by interference fit or thread fit.
When the second slider limiting piece 43 abuts against the end of the limiting groove 212 of the slider 2 in the longitudinal direction in the process that the slider 2 slides in the sliding groove 120 along a certain direction, the slider 2 is limited by the second slider limiting piece 43, and the slider 2 can not slide in the sliding groove 120 along the certain direction any more, thereby limiting the sliding stroke of the slider 2. In addition, the second slider position-limiting member 43 can also play a role of guiding so as to avoid the sliding deviation of the slider 2 when the matching precision between the slider 2 and the sliding groove 120 is reduced.
The setting positions and the size parameters of the stopper positioning hole 1202, the limiting groove 212 and the second slider stopper 43 of the precision detecting unit of the present disclosure can be designed according to the detection requirements. For the convenience of using the second slider position-limiting member 43, the second slider position-limiting member 43 may be designed as a knob structure.
In one embodiment of the accuracy detecting unit of the present disclosure, the slider 2 includes a slider body 21 and an urging handle 22 provided at one end of the slider body 21 away from the detecting block 5. The slider body 21 is slidably fitted to the slide groove 120. The urging handle 22 and the slider body 21 may be fixed together by integral molding, screwing, or the like. The provision of the urging handle 22 is advantageous for improving the convenience of the operator for urging the slider 2.
In an embodiment of the precision detecting unit of the present disclosure, a sliding block positioning element placing seat 13 is further disposed on the base 1. The slide positioner placing seat 13 can place the slider positioner 3 when not engaged with the first positioning hole 1201 and the second positioning hole 211. In order to prevent the slider positioning element 3 from being lost, the slider positioning element 3 may be placed in the slider positioning element placing seat 13 when the slider positioning block 3 does not position the slider 2. Usually, the slider positioning element placing base 13 may be provided with a positioning hole for positioning the slider positioning element 3, and the slider positioning element 3 may be inserted into the positioning hole. Typically, the slider positioning element seat 13 is mounted on the slide 12 by welding or bolting.
In one embodiment of the accuracy detecting unit of the present disclosure, the accuracy detecting unit further includes a detecting block connecting member 6. The two ends of the detection block connecting piece 6 are respectively detachably connected with the sliding block 2 and the detection block 5. The detachable connection can be realized by means of bolt connection and the like. According to different detection requirements, different detection blocks 5 can be flexibly replaced.
In one embodiment of the precision detecting unit of the present disclosure, the slider limiting assembly 4 further includes a third slider limiting member 44. The slider 2 is provided with a third slider limiting piece hole 213 for fixing the third slider limiting piece 44. The third slider stopper 44 may abut against the outer surface of the base 1 to limit the displacement of the slider 2 along the length direction of the sliding groove 120. In specific implementation, the third slider limiting part 44 may be installed in the third slider limiting part hole 213 of the slider 2, and when the slider 2 slides in the sliding groove 120 until the third slider limiting part 44 abuts against the outer surface of the base 1, the slider 2 stops sliding, so as to limit the sliding stroke of the slider 2.
The third slider stop 44 may be configured as a pin or a post, for example. In an embodiment of the third slider limiting member 44, the third slider limiting member 44 is a sleeve-shaped structure formed by rolling a steel sheet and is positioned in the third slider limiting member hole 213 by interference fit, and the third slider limiting member 44 has a simple structure and a certain elasticity, so that the slider 2 can be more flexibly limited. The third slider limiting member 44 may be in threaded or interference fit with the third slider limiting member hole 213.
In order to more clearly illustrate the accuracy detection unit of the present disclosure, the following is illustrated by taking the embodiment shown in fig. 1 as an example:
as shown in the figure, the precision detection unit comprises a base 1, a slide block 2, a slide block positioning piece 3, a slide block limiting component 4, a detection block 5 and a detection block connecting piece 6.
The base 1 includes a base body 11, a slider 12, and a slider positioning piece placement seat 13. The base body 11 is fixedly connected with the sliding base 12, and the sliding base 12 is provided with a sliding groove 120, and the sliding groove 120 is a U-shaped groove. The bottom wall of the sliding groove 120 is provided with a first positioning hole 1201 and a stopper positioning hole 1202. The slide positioner placing seat 13 can place the slider positioner 3 when not engaged with the first positioning hole 1201 and the second positioning hole 211.
The slider 2 includes a slider body 21 and an urging handle 22. The slider body 21 is slidably fitted to the slide groove 120. The slider body 21 is provided with a second positioning hole 211, a stopper groove 212 extending along the longitudinal direction of the slide groove 120, and a third slider stopper hole 213. When the slider 2 moves to a certain position along the sliding groove 120, the second positioning hole 211 may be opposite to the first positioning hole 1201. The third slider limiting member hole 213 can be used to fix the third slider limiting member 44.
The slide block positioning piece 3 is an L-shaped rod. The slider positioning member 3 may be inserted into the first positioning hole 1201 and the second positioning hole 211 to position the slider 2 on the base 1.
The slider position limiting assembly 4 includes a first slider position limiting member, a second slider position limiting member 43 and a third slider position limiting member 44. The first slider limiting member includes a first pressing block 41 and a second pressing block 42. The first pressing block 41 and the second pressing block 42 are respectively installed at both ends of the sliding groove 120 in the length direction, and the first pressing block 41 is away from the detection block 5 with respect to the second pressing block 42. The first compressing block 41 is provided with a U-shaped groove, two side walls of the U-shaped groove are detachably connected with two side walls of the sliding groove 120, respectively, and the bottom wall of the U-shaped groove faces the detecting block 5. The second compressing block 42 has a plate-shaped structure, and both ends of the second compressing block 42 are detachably connected to both side walls of the sliding groove 120, respectively. The second slider position-limiting member 43 has a knob structure, the second slider position-limiting member 43 is matched with the position-limiting groove 212, and the second slide position-limiting member 43 is matched with the position-limiting member positioning hole 1202, so as to fix the second slide position-limiting member 43 on the base 1. The third slider stopper 44 corresponds to the outer surface of the base 1.
The detection block 5 is detachably connected with the end part of the sliding block 2 through a detection block connecting piece 6.
When the detection device is used, the slider 2 is pulled by the force application handle 22, so that the slider 2 slides along the sliding groove 120 of the base 1 to the second slider limiting part 43 to abut against one end of the limiting groove 212 in the length direction, and at the moment, the detection block 5 can effectively avoid a workpiece to be detected. And then placing the workpiece to be detected on a detection station. Then, the slide block 2 slides along the slide groove 120 until the second slide block limiting part 43 abuts against the other end of the limiting groove 212 in the length direction, and the third slide block limiting part 44 abuts against the outer surface of the base 1, at this time, the detection block 5 corresponds to a detection point on the workpiece to be detected. Then the operator can insert the slider positioning element 3 at the slider positioning element placing seat 13 into the corresponding second positioning hole 211 and the first positioning hole 1201 in sequence, so that the slider 2 is fixed on the base 1, and the operator can perform precision detection operation.
After the precision detection is completed, firstly, the slider positioning part 3 is extracted from the first positioning hole 1201 and the second positioning hole 211 and is placed at the slider positioning part placing seat 13, and then the slider 2 is pulled by the force application handle 22, so that the slider 2 slides along the sliding groove 120 of the base 1 to the length direction of the second slider positioning part 43 and the limiting groove 212, and the workpiece to be detected can be effectively avoided by the detection block 5, and the workpiece to be detected can be moved away from the detection area of the precision detection unit.
The disclosure also provides a body-in-white precision gauge.
The body-in-white precision gauge comprises a gauge base, a body-in-white supporting unit and the precision detection unit. The body-in-white support unit may be, for example, a support pillar or the like having a support ceiling surface. The body-in-white support unit may support a body-in-white. The body-in-white supporting unit and the precision detecting unit are installed on the checking fixture base. The number of the body-in-white supporting units and the number of the precision detecting units can be flexibly selected according to actual requirements, and the number is not further limited by the disclosure.
During concrete implementation, white automobile body supporting unit and precision detecting unit all can install on examining a base through the detachable mode to change according to the measuring demand more in a flexible way.
The body-in-white precision gauge is convenient to use, the detection block 5 of the precision detection unit can be driven by the sliding block 2 to move along the sliding groove 120 on the base 1, so that a workpiece to be detected can be avoided effectively when precision detection is carried out in small-space operation conveniently, and the mode of moving along the sliding groove 120 is high in reliability and detection precision.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. A precision detection unit is characterized by comprising a base, a sliding block positioning piece, a sliding block limiting assembly and a detection block; wherein,
the base is provided with a sliding groove, the sliding block is in sliding fit with the sliding groove, and the bottom wall of the sliding groove is provided with a first positioning hole;
a second positioning hole is formed in the sliding block;
the sliding block positioning piece is arranged to be inserted into the first positioning hole and the second positioning hole so as to position the sliding block on the base;
the sliding block limiting assembly comprises a first sliding block limiting part which is arranged on the side wall of the sliding groove so as to limit the displacement of the sliding block along the depth direction of the sliding groove;
the detection block is fixedly connected with the sliding block.
2. The accuracy detection unit of claim 1, wherein the base comprises a base body and a slide;
the base body with slide fixed connection, the sliding tray is located on the slide.
3. The accuracy detection unit according to claim 1, wherein the first slider stopper includes a first pressing block and a second pressing block;
the first pressing block and the second pressing block are respectively located at two ends of the sliding groove in the length direction.
4. The accuracy detection unit according to claim 3, wherein the first pressing block is distant from the detection block with respect to the second pressing block;
the first pressing block is provided with a U-shaped groove, two side walls of the U-shaped groove are detachably connected with two side walls of the sliding groove respectively, and the bottom wall of the U-shaped groove faces the detection block;
the second pressing block is of a plate-shaped structure, and two ends of the second pressing block are detachably connected with two side walls of the sliding groove respectively.
5. The accuracy detection unit of claim 1, wherein the slider limiting assembly further comprises a second slider limiting member;
the sliding block is provided with a limiting groove extending along the length direction of the sliding groove;
a limiting part positioning hole is formed in the bottom wall of the sliding groove;
the second slider limiting part is matched with the limiting groove, and the second sliding limiting part is matched with the limiting part positioning hole so as to fix the second sliding limiting part on the base.
6. The accuracy detection unit according to claim 1, wherein the slider includes a slider body and a force application handle provided at an end of the slider body remote from the detection block, and the slider body is slidably fitted to the slide groove.
7. The accuracy detection unit of claim 1, wherein a slider positioning element placement seat is further disposed on the base, and the sliding positioning element placement seat is configured to place the slider positioning element when not engaged with the first positioning hole and the second positioning hole.
8. The accuracy detection unit of claim 1, further comprising a detection block connection;
the two ends of the detection block connecting piece are respectively detachably connected with the sliding block and the detection block.
9. The accuracy detection unit of any one of claims 1 to 8, wherein the slider limiting assembly further comprises a third slider limiting member;
a third slider limiting part hole for fixing the third slider limiting part is formed in the slider;
the third slider limiting part is arranged to abut against the outer surface of the base so as to limit displacement of the slider along the length direction of the sliding groove.
10. A body-in-white precision gauge, which is characterized by comprising a gauge base, a body-in-white supporting unit and a plurality of precision detection units as claimed in any one of claims 1 to 9; wherein,
the body-in-white support unit is configured to support a body-in-white;
the body-in-white supporting unit and the precision detecting unit are installed on the checking fixture base.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810553590.9A CN108731619B (en) | 2018-05-31 | 2018-05-31 | Precision detection unit and body-in-white precision gauge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810553590.9A CN108731619B (en) | 2018-05-31 | 2018-05-31 | Precision detection unit and body-in-white precision gauge |
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| CN108731619B CN108731619B (en) | 2020-01-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113790654A (en) * | 2021-10-08 | 2021-12-14 | 东风（武汉）汽车零部件有限公司 | Automobile threshold spare detects uses positioner and examines utensil |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113790654A (en) * | 2021-10-08 | 2021-12-14 | 东风（武汉）汽车零部件有限公司 | Automobile threshold spare detects uses positioner and examines utensil |
| CN113790654B (en) * | 2021-10-08 | 2024-08-27 | 东实(武汉)汽车零部件有限公司 | Positioning device and gauge for detecting automobile threshold piece |
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| CN108731619B (en) | 2020-01-14 |
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