阅读说明：本技术 汽车门槛件检测用定位装置及检具 (Automobile threshold spare detects uses positioner and examines utensil ) 是由 周贝 龙曲波 许�鹏 梅敏 胡玉婷 王虎 郭军 于 2021-10-08 设计创作，主要内容包括：本发明公开了一种汽车门槛件检测用定位装置及检具,属于汽车零部件检测设备技术领域。所述定位装置包括设置在检具平台上的导轨、滑动连接在所述导轨上的基座、以及固定在所述基座上的定位部件,导轨的侧面开设有多个定位孔,基座的侧面开设有与定位孔相对应的对应孔,当基座移动至其对应孔与导轨的其中一个定位孔相对应的位置时,通过定位销插入锁紧孔中将基座固定在导轨上,则定位部件卡接在所述检具上,与门槛件接触的点即为测点。通过将本发明的定位装置使用在检具上,可为检具的检测提供精确的检测点定位,确保了检测数据的准确性。(The invention discloses a positioning device and a detection tool for detecting an automobile threshold piece, and belongs to the technical field of automobile part detection equipment. The positioning device comprises a guide rail arranged on the checking fixture platform, a base connected to the guide rail in a sliding mode, and a positioning component fixed on the base, wherein a plurality of positioning holes are formed in the side face of the guide rail, corresponding holes corresponding to the positioning holes are formed in the side face of the base, when the base moves to the position where the corresponding hole of the base corresponds to one of the positioning holes of the guide rail, a positioning pin is inserted into the locking hole to fix the base on the guide rail, then the positioning component is clamped on the checking fixture, and the point of contact with the threshold piece is the measuring point. By using the positioning device provided by the invention on the detection tool, accurate detection point positioning can be provided for detection of the detection tool, and the accuracy of detection data is ensured.)

1. A positioning device for detecting an automobile threshold part is characterized by comprising a guide rail arranged on a detection tool platform, a base connected on the guide rail in a sliding way, and a positioning part fixed on the base, the side surface of the guide rail is provided with a plurality of positioning holes for determining the position of the detection point on the threshold piece to be detected, corresponding holes which can correspond to the positioning holes are arranged on the side surface of the base, locking holes are arranged on the upper surface of the guide rail and the upper surface of the base, the base is fixed on the guide rail by inserting the positioning pin into the locking hole, the positioning part is clamped on the checking fixture and can slide relative to the checking fixture, when the base slides relative to the guide rail, the corresponding holes can be aligned with the positioning holes one by one, so that the positioning component can determine a plurality of detection point positions on the doorsill piece to be detected.

2. The positioning device for detecting the automobile threshold member as claimed in claim 1, wherein the positioning member includes a connecting seat and an L-shaped clip plate, the connecting seat is fixedly connected to the base, the L-shaped clip plate is fixed on a side of the top of the connecting seat close to the detecting tool, and the end of the L-shaped clip plate is clipped on the detecting tool.

3. The positioning device for detecting the rocker member of a vehicle as claimed in claim 2, wherein the guide rail is a single guide rail disposed at the center of the bottom of the base, or the guide rails are two guide rails symmetrically disposed at both sides of the bottom of the base.

4. The positioning device for detecting the car threshold member as claimed in claim 3, wherein the base includes a sliding block adapted to the guide rail and a bottom plate fixed to a top of the sliding block, the L-shaped catch plate is fixed to an upper surface of the bottom plate, the corresponding hole is formed in a side surface of the sliding block, and the sliding block is provided with a sliding groove adapted to a sliding rail of the guide rail.

5. A car threshold detection positioning device as defined in claim 3, wherein said two guide rails are equal in length.

6. The positioning device for detecting the doorsill member of an automobile according to claim 5, wherein said positioning hole is formed in a side surface of the guide rail located on an outer side of said two guide rails.

7. An automobile threshold piece inspection device comprises a platform and an inspection device body fixed on the platform, and is characterized by further comprising positioning devices for automobile threshold piece inspection according to any one of claims 1 to 6, wherein the positioning devices are symmetrically arranged on two sides of the inspection device body.

8. An automobile threshold member testing fixture according to claim 7, wherein a plurality of pressing devices are fixedly arranged on the platform at two sides of the testing fixture body, and pressing heads of the pressing devices are in contact with the threshold member to be tested placed on the testing fixture body and used for providing downward pressing force applied to the threshold member to be tested.

9. An automobile threshold member gauge according to claim 8, wherein an anti-collision mechanism is fixedly arranged on the platform and positioned on one side of the positioning device and one side of the pressing device.

10. An automobile threshold member testing fixture according to claim 9, wherein said anti-collision mechanism includes a base and a bumper, said base being fixed to said platform, said bumper being fixed to a side of said base adjacent to said positioning device or said pressing device.

Technical Field

The invention relates to the technical field of automobile part detection equipment, in particular to a positioning device and a detection tool for detecting an automobile threshold piece.

Background

With the increasing development of science and technology and the gradual improvement of living standard, automobiles are more and more popular, which greatly drives the automobile industry, including the automobile part manufacturing industry. In order to adapt to the batch production of automobile parts, whether the produced parts are qualified or not is quickly checked, and the checking fixture is produced at the right moment. The device is a simple tool for controlling various sizes (such as aperture, space size and the like) of products by industrial production enterprises, can improve the production efficiency while controlling the quality, and is suitable for mass production of automobile parts to replace professional measuring tools, such as smooth plug gauges, threaded plug gauges, outer diameter snap gauges and the like.

However, for a type of automobile threshold member with more profile tolerances to be detected, the existing detection tool is difficult to accurately find the point position to be detected on the threshold member, so that the existing detection tool is difficult to detect the multiple profile tolerances of the type of automobile threshold member, and the accuracy of the detection result is poor. For the automobile threshold piece with more profile tolerances to be detected, no particularly accurate measuring point finding method exists in the industry at present, so that the positioning device is designed and matched with the detecting tool to be used, and the fact that the multi-profile detection of the automobile threshold piece becomes accurate and rapid is very important.

Disclosure of Invention

In view of the above technical problems, an object of the present invention is to provide a positioning device and a checking fixture for detecting a car threshold, wherein the positioning device can provide precise detection point positioning to ensure that the measurement positions are consistent when different parts are measured each time. Meanwhile, the positioning device is used in the checking fixture, so that the accuracy of detection data is ensured, and the detection is simpler, more convenient and faster.

In order to achieve the technical purpose, the technical scheme of the invention provides a positioning device for detecting an automobile threshold piece, which is used for providing accurate detection point positioning so as to detect the profile tolerance of the threshold piece with more profiles and the like, the positioning device comprises a guide rail arranged on a detection tool platform, a base connected on the guide rail in a sliding way, and a positioning component fixed on the base, wherein the side surface of the guide rail is provided with a plurality of positioning holes used for determining the position of a detection point on the threshold piece to be detected, the side surface of the base is provided with corresponding holes capable of corresponding to the positioning holes, the upper surface of the guide rail and the upper surface of the base are both provided with locking holes, the base is fixed on the guide rail by inserting the positioning pins into the locking holes, and the positioning component is clamped on the detection tool and can slide relative to the detection tool, when the base slides relative to the guide rail, the corresponding holes can be aligned with the positioning holes one by one, so that the positioning component can determine a plurality of detection point positions on the doorsill piece to be detected.

Preferably, the positioning part comprises a connecting seat and an L-shaped clamping plate, the connecting seat is fixedly connected to the base, the L-shaped clamping plate is fixed to one side, close to the checking fixture, of the top of the connecting seat, and the tail end of the L-shaped clamping plate is clamped to the checking fixture.

Preferably, the guide rail is a guide rail arranged at the center of the bottom of the base, or the guide rail is two guide rails symmetrically arranged at two sides of the bottom of the base.

Preferably, the base comprises a sliding block matched with the guide rail and a bottom plate fixed at the top of the sliding block, the L-shaped clamping plate is fixed on the upper surface of the bottom plate, and a sliding groove matched with the sliding way of the guide rail is formed in the sliding block.

Preferably, the two guide rails are equal in length.

Preferably, the positioning hole is formed in the side face, located on the outer side, of the two guide rails.

In addition, the invention also provides an automobile threshold part checking fixture comprising the positioning device in the technical scheme, the checking fixture comprises a platform and a checking fixture body fixed on the platform, and the positioning devices are symmetrically arranged on two sides of the checking fixture body and used for positioning the measuring points of each molded surface on the threshold part after the automobile threshold part is placed on the checking fixture body.

Preferably, a plurality of pressing devices are fixedly arranged on the platform and positioned on two sides of the checking fixture body, and pressing heads of the pressing devices are in contact with the threshold piece to be detected placed on the checking fixture body and used for providing downward pressing force applied to the threshold piece to be detected.

Preferably, the platform is fixedly provided with an anti-collision mechanism on one side of the positioning device and one side of the pressing device.

Preferably, the anti-collision mechanism comprises a base and a buffer block, the base is fixed on the platform, and the buffer block is fixed on one side of the base, which is close to the positioning device or the pressing device.

Compared with the prior art, the invention has the beneficial effects that:

the invention provides a positioning device for detecting an automobile threshold piece, which is matched with a special detection tool for use and mainly comprises a guide rail arranged on a platform of the detection tool, a base connected to the guide rail in a sliding manner and a positioning component fixed on the base, wherein the side surface of the guide rail is provided with a plurality of positioning holes for determining the position of a detection point on the threshold piece to be detected, the side surface of the base is provided with a corresponding hole corresponding to the positioning hole when the base moves to one of the positioning holes of the guide rail, the base can drive the positioning component to move on the guide rail, when the base moves to the position where the corresponding hole on the side surface of the base corresponds to one of the positioning holes on the side surface of the guide rail, the positions of the base and the positioning component are fixed, the point, at the moment, of the tail end of the positioning component, which contacts with the threshold piece to be detected, is the detection point, and the actions are repeated to enable the corresponding holes on the side surface of the base to correspond to the positioning holes on the side surface of the guide rail in sequence to obtain the threshold piece A plurality of stations. The positioning hole on the side surface of the guide rail is obtained through the 3D digital analogy, so that the position of the measuring point on the threshold piece can be accurately found through the positioning hole, accurate detection point positioning is provided for the automobile threshold piece with more profile tolerance to be detected, convenience and accuracy are provided for detection, and the operability is strong. Meanwhile, the detection tool comprising the positioning device not only ensures the accuracy of detection data, but also enables the detection to be more simple, convenient and quick.

Drawings

FIG. 1 is a schematic view of the overall structure of a positioning device for detecting a threshold member of an automobile according to the present invention;

FIG. 2 is a schematic view of the positioning device of the present invention mounted on a fixture;

FIG. 3 is an enlarged view of a portion of FIG. 2;

FIG. 4 is a schematic view of the construction of the compacting apparatus of the present invention;

fig. 5 is a schematic structural view of the crash prevention mechanism of the present invention.

The specific labels in the figure are:

10-a positioning device, 11-a guide rail, 11 a-a positioning hole, 12-a base, 12 a-a corresponding hole, 12b a sliding block, 12 c-a bottom plate, 13-a positioning part, 13 a-a connecting seat, 13 b-an L-shaped clamping plate and 14-a locking hole;

20-a detection tool, 21-a platform, 22-a detection tool body, 23-a pressing device, 23 a-a base, 23 b-a handle, 23 c-a transmission assembly, 23 d-a pressing head, 24-an anti-collision mechanism, 24 a-a base and 24 b-a buffer block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1 is a schematic overall structure diagram of a positioning device for detecting an automobile threshold member of the invention, fig. 2 is a schematic structural diagram of the positioning device 10 of the invention mounted on a detection tool 20, as shown in fig. 1-2, the positioning device 10 includes a guide rail 11, a base 12 and a positioning part 13, the guide rail 11 is arranged on a platform 21 of the detection tool 20, the base 12 is movably connected with the guide rail 11 in a sliding manner, and the positioning part 13 is fixed on the base 12; the side surface of the guide rail 11 is provided with a plurality of positioning holes 11a for determining the position of a detection point on a threshold piece to be detected, the side surface of the base 12 is provided with corresponding holes 12a corresponding to the positioning holes 11a, when the base 12 moves to the position where the corresponding holes 12a correspond to one of the positioning holes 11a of the guide rail 11, the base 12 is fixed on the guide rail 11 by inserting the positioning pins 15 into the locking holes 14 arranged on the upper surface of the guide rail 11 and the upper surface of the base 12, so that the positioning part 13 is clamped on the detection tool 20 and can slide relative to the detection tool 20, and when the base 12 slides relative to the guide rail 11, the corresponding holes 12a can be aligned with the positioning holes 11a one by one, so that the positioning part 13 can determine the position of a plurality of detection points on the threshold piece to be detected.

Specifically, in order to ensure the accuracy of the positioning device 10, the position of the positioning hole 11a on the side surface of the guide rail 11 is determined by demonstrating the relative position between the guide rail 11 and the threshold member to be detected in a 3D digital-analog manner, so that the positioning device 10 can be ensured to provide an accurate detection point position, so as to ensure that the measurement positions are consistent when different parts are measured each time.

Optionally, the guide rails 11 are disposed on the bottom of the base 12, wherein in a preferred embodiment, there are two guide rails 11, and the two guide rails 11 are symmetrically disposed on two sides of the bottom of the base 12. Of course, in other embodiments of the present invention, the number and the position of the guide rails 11 can be selected according to specific situations, for example, one guide rail 11 is arranged at the center of the bottom of the base 12, but obviously, the stability of arranging two guide rails is better, therefore, the number of the guide rails is preferably 2.

Optionally, the lengths of the two guide rails 11 are equal, the positions of the locking holes 14 formed in the upper surfaces of the two guide rails 11 correspond to each other one by one, and the positioning hole 11a is formed in the side surface of the guide rail on the outer side of the two guide rails 11.

Optionally, the base 12 includes a slider 12b adapted to the guide rail 11 and a bottom plate 12c fixed to the top of the slider 12b, the corresponding hole 12a is formed in a side surface of the slider 12b, the locking hole 14 is formed in an upper surface of the slider 12b and penetrates through the bottom plate 12c, a sliding slot adapted to the sliding way of the guide rail 11 is formed in the bottom of the slider 12b, so that the slider 12b can drive the bottom plate 12c to move on the guide rail 11, and when the corresponding hole 12a on the side surface of the slider 12b is moved to correspond to one of the positioning holes 11a on the side surface of the guide rail 11, the base 12 is inserted into the locking hole 14 through the positioning pin 9 and fixed to the guide rail 11.

Optionally, the positioning component 13 includes a connecting seat 13a and an L-shaped clamping plate 13b, the connecting seat 13a is fixedly connected to the bottom plate 12c of the base 12 through a bolt, the L-shaped clamping plate 13b is fixed to one side, close to the checking fixture 20, of the top of the connecting seat 13a through a bolt, and then the tail end of the L-shaped clamping plate 13b is clamped to the checking fixture 20. When the base 12 moves to the corresponding hole 12a on the side surface of the slider 12b and is fixed on the guide rail 11 corresponding to one of the positioning holes 11a on the side surface of the guide rail 11, the positioning component 13 is also fixed on the guide rail 11, and the position where the tail end of the L-shaped clamping plate 13b of the positioning component 13 contacts with the threshold piece to be detected is the detection point.

In view of the above, the invention further provides a checking fixture 20 comprising the positioning device 10 in the technical scheme, and an automobile threshold piece checking fixture as shown in fig. 2-3, which comprises the checking fixture 20 and the positioning device 11, wherein the checking fixture 20 comprises a platform 21, a checking fixture body 22, a pressing device 23 and an anti-collision mechanism 24, the positioning device 11 is symmetrically arranged at two sides of the checking fixture body 22, so that accurate detection points are provided for the checking fixture 20 to detect the automobile threshold pieces with more profile tolerances to be detected, and the checking fixture 20 can conveniently, quickly and accurately perform detection work.

Specifically, the gauge body 22 is fixedly installed in the middle of the platform 21 through bolts, the guide rails 11 are fixedly installed on the platform 21 on two sides of the gauge body 22 through bolts, the number of the guide rails 11 is four, and two guide rails are arranged on each side; the base 12 provided with the positioning component 13 is arranged on the slide way of the guide rail 11 through the slide groove, so that the positioning component 13 can move left and right on the guide rail 11 under the driving of the base 12.

Optionally, four pressing devices 23 are fixedly arranged on the platform 21 and located on two sides of the checking fixture body 22, as shown in fig. 4, each pressing device 23 is composed of a base 23a, a handle 23b, a transmission assembly 23c and a pressing head 23d, the base 23a is fixed between the two guide rails 11 located on one side of the checking fixture body 22 through bolts, the transmission assembly 23c is fixed on the base 23a, the handle 23b is rotatably connected to the transmission assembly 23c, and the pressing head 23d is fixedly connected to the other end of the transmission assembly 23c, so that when the handle 23b is manually moved downwards, the transmission assembly 23c is driven to move, and the pressing head 23d is driven to be lifted upwards; on the contrary, when the handle 23b is moved up manually, the transmission assembly 23c drives the pressing head 23d to move down, so that the threshold piece to be detected is pressed on the checking fixture body 22.

Specifically, the transmission assembly 23c is a link mechanism or a rotating shaft mechanism in the prior art, and may also be a combination of the link mechanism and the rotating shaft mechanism. For example, the transmission assembly 23c adopted in this embodiment is composed of a first rotating shaft, a second rotating shaft and a connecting rod, two ends of the first rotating shaft penetrate through two ends of the upper portion of the base 23a, the handle 23b is rotatably connected to two ends of the first rotating shaft, the second rotating shaft is rotatably connected to the other end of the upper portion of the base 23a, one end of the connecting rod is simultaneously sleeved on the first rotating shaft and the second rotating shaft, and the other end of the connecting rod is vertically and downwards fixedly connected with the pressing head 23 d. The first rotating shaft can be driven to rotate by the handle 23b, so as to drive the connecting rod to move on the first rotating shaft and the second rotating shaft, and further to enable the pressing head 23d to move up and down.

Optionally, a crash-proof mechanism 24 is optionally fixedly mounted on the platform 21 at one side of the positioning device 10 and the pressing device 23. As shown in fig. 5, the bump guard 24 includes a base 24a and a buffer block 24b, the base 24a is fixed on the platform 21, and the buffer block 24b is fixed on a side of the base 24a close to the positioning device 10 or the pressing device 23.

Specifically, in order to avoid collision when the positioning device 10 slides on the guide rail 11, the portion of the buffer block 24b in contact with the base 12 is made of a wear-resistant flexible material, so as to achieve a good buffering effect.

The invention provides a positioning device for detecting an automobile threshold piece, which is matched with a detection tool to use the specific process that:

the threshold piece to be detected is placed on the detection tool body 22 of the detection tool 20, the threshold piece to be detected is positioned by the main positioning pin and the auxiliary positioning pin, and then is manually pressed by the pressing device 23. The guide rail 11 and the anti-collision mechanism 24 are fixed on the platform 21 by bolts, the base 12 is connected on the guide rail 11 in a sliding manner, and the positioning component 13 is fixedly connected on the base 12 by bolts, so that the base 12 drives the positioning component 13 to slide freely on the guide rail 11, when the positioning component slides to a position where a corresponding hole 12a on the side surface of the base 12 corresponds to a positioning hole 11a on the side surface of the guide rail 11, the positioning component 13 is fixed on the guide rail 11 by inserting a positioning pin 15 into a locking hole 14 on the upper surfaces of the guide rail 11 and the base 12, the contact position of the tail end of an L-shaped clamping plate 13b of the positioning component 13 and a doorsill piece to be detected is a detectable point, and after the detectable point is found, the profile tolerance of the doorsill piece to be detected is measured by using a feeler gauge. After the measurement of the detection point is completed, the positioning pin 15 is taken away, the base 12 is continuously moved to the next positioning hole 11a on the guide rail 11, then the positioning pin 15 is used for locking, and the actions are sequentially repeated until the positioning holes 11a on the side surface of the guide rail 11 are respectively and correspondingly formed by the corresponding holes 12a on the base 12, and each point of contact between the positioning device 13 and the threshold piece to be detected is each detection point of the profile of the threshold piece to be detected, and through the matching of the positioning device 10 and the detection tool 20, the positions of different product parts can be ensured to be consistent, and the detection accuracy is ensured.

In summary, according to the positioning device and the detection tool for detecting the automobile threshold piece, the base drives the positioning part to slide on the guide rail, when the positioning part slides to the corresponding hole on the side surface of the base and corresponds to the positioning hole on the side surface of the guide rail, the positioning pin is used for locking, the point of the tail end of the L-shaped clamping plate of the positioning device, which is contacted with the threshold piece to be detected, is the detection point, the positioning device can accurately find the position of the detection point on the threshold piece, and provides accurate detection point positioning for the automobile threshold piece with more profile tolerances to be detected, so that the detection is more convenient and faster.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.