CN217403407U

CN217403407U - Curved surface casing external surface detection device

Info

Publication number: CN217403407U
Application number: CN202221569125.2U
Authority: CN
Inventors: 王光辉; 杨君宝; 卢旭东; 姜月秋; 李如玉
Original assignee: Shenyang Ligong University
Current assignee: Shenyang Ligong University
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-09
Anticipated expiration: 2032-06-22

Abstract

The utility model relates to a detection device technical field specifically is a curved surface casing external surface detection device, including the workstation, go up the roof, guide post and mount table, the upper and lower both ends of guide post respectively with last roof and workstation fixed connection, the mount table is located between workstation and the last roof, and sliding fit between mount table and the guide post, the bottom surface of mount table is equipped with the detection mechanism that a plurality of can follow mount table length direction and slide, still is provided with on the mount table to be used for fixed detection mechanism and with the locking mechanism of detection mechanism one-to-one. The utility model discloses well detection mechanism sliding connection is in the bottom surface of mount table, and detection mechanism accessible locking mechanism fixes a position, consequently can conveniently adjust two adjacent detection mechanism's interval to adapt to the part of different specifications, help improving the accuracy of the utility model measuring result.

Description

Curved surface casing external surface detection device

Technical Field

The utility model relates to a detection device technical field specifically is a curved surface casing external surface detection device.

Background

At present, for curved surface shell parts produced in batch, the outer surface of the part needs to be detected, so as to judge whether the data such as the circular curvature of the outer surface of the part is qualified. In the prior art, utility model patent with publication number CN209991911U provides a curved surface casing external surface detection device, including height detection mechanism, detection cylinder, analog-to-digital converter, host computer and display. In the specific use process of the technical scheme, the height detection mechanism is fixedly arranged on the sliding plate, so that the distance between the height detection mechanisms cannot be adjusted according to the specification of the curved surface shell part during specific use; when utilizing this utility model to detect the less part of specification, can make the measuring point too dispersed, can not accurately judge whether qualified part. Therefore, we propose a curved surface casing outer surface detection device to solve the above drawbacks well.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a curved surface casing external surface detection device for solve the problem that proposes among the above-mentioned background art.

The utility model discloses a can realize through following technical scheme: the utility model provides a curved surface casing external surface detection device, includes the workstation, goes up roof, guide post and mount table, the upper and lower both ends of guide post respectively with last roof and workstation fixed connection, the mount table is located between workstation and the last roof, just sliding fit between mount table and the guide post, the bottom surface of mount table is equipped with the detection mechanism that a plurality of can follow mount table length direction and slide, still be provided with on the mount table be used for fixed detection mechanism and with the locking mechanism of detection mechanism one-to-one.

Optionally, detection mechanism includes sliding block, fixed connection and is in the sliding sleeve of sliding block bottom surface, range finding sensor, is located inside elevator and the fixed connection of sliding sleeve are in the detection awl of elevator bottom surface, the spout that link up about the distribution of mount table length direction and about is seted up to the bottom surface of mount table, the sliding block with sliding fit between the spout, range finding sensor fixed connection is in the bottom surface of sliding block just is located the inboard of sliding sleeve for measure the rise of elevator.

Optionally, the system further comprises an analog-to-digital converter and an industrial PC, wherein a signal output end of the ranging sensor is electrically connected with the analog-to-digital converter, and a signal output end of the analog-to-digital converter is electrically connected with the industrial PC.

Optionally, a movable slot hole communicated with the sliding groove is formed in one side of the mounting table, the locking mechanism comprises a screw rod and a nut, one end of the screw rod is fixedly connected with the corresponding sliding block, the other end of the screw rod penetrates through the movable slot hole and extends to the outer side of the movable slot hole, and the nut is in threaded connection with one end, far away from the sliding block, of the screw rod.

Optionally, the sliding sleeve is a cylindrical structure with an opening at the top end, and a circular hole for the detection cone to pass through is formed in the bottom surface of the sliding sleeve in a penetrating manner.

Optionally, a pushing cylinder is fixedly arranged on the top surface of the upper top plate, and a piston rod of the pushing cylinder penetrates through the upper top plate and is fixedly connected with the top surface of the mounting table.

Compared with the prior art, the utility model provides a curved surface casing external surface detection device possesses following beneficial effect:

1. in the utility model, the detection mechanisms are connected to the bottom surface of the mounting table in a sliding way, and can be positioned by the locking mechanism, so that the distance between two adjacent detection mechanisms can be conveniently adjusted, thereby adapting to parts with different specifications and being beneficial to improving the accuracy of the measurement result of the utility model;

2. the utility model discloses utilize range sensor to detect the rise range of elevator, avoid causing the curved surface casing to produce plastic deformation because of the pressure of pressure detection spring, consequently measurement accuracy is higher.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the mounting table and the detecting mechanism of the present invention;

fig. 3 is a cross-sectional view of the detecting mechanism of the present invention.

In the figure: 1. a work table; 2. an upper top plate; 3. a guide post; 4. an installation table; 5. a slider; 6. a sliding sleeve; 7. a ranging sensor; 8. a lifting block; 9. detecting a cone; 10. a chute; 11. an analog-to-digital converter; 12. industrial PC; 13. a movable slotted hole; 14. a screw; 15. a nut; 16. a circular hole; 17. and pushing the air cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-3, a curved surface casing outer surface detection device comprises a workbench 1, an upper top plate 2, a guide post 3 and an installation platform 4, wherein the upper end and the lower end of the guide post 3 are respectively fixedly connected with the upper top plate 2 and the workbench 1, the installation platform 4 is positioned between the workbench 1 and the upper top plate 2, the installation platform 4 is in sliding fit with the guide post 3, the bottom surface of the installation platform 4 is provided with a plurality of detection mechanisms capable of sliding along the length direction of the installation platform 4, each detection mechanism comprises a sliding block 5, a sliding sleeve 6 fixedly connected with the bottom surface of the sliding block 5, a distance measuring sensor 7, a lifting block 8 positioned inside the sliding sleeve 6 and a detection cone 9 fixedly connected with the bottom surface of the lifting block 8, the bottom surface of the installation platform 4 is provided with sliding chutes 10 distributed along the length direction of the installation platform 4 and penetrating left and right, the sliding fit between the sliding block 5 and the sliding chutes 10, the distance measuring sensor 7 is fixedly connected with the bottom surface of the sliding block 5 and positioned at the inner side of the sliding sleeve 6, for measuring the elevation height of the lifting block 8; specifically, range sensor 7 adopts laser rangefinder sensor, can the accurate interval of measuring between elevator 8 to range sensor 7 to the accuracy obtains elevator 8's rise range, and in addition, sliding sleeve 6 is open-ended cylindrical structure, and the round hole 16 of offering the confession and detecting awl 9 and passing is run through to sliding sleeve 6's bottom surface, and as shown in fig. 3, elevator 8 can freely go up and down in sliding sleeve 6's inside.

Furthermore, the present embodiment further includes an analog-to-digital converter 11 and an industrial PC12, a signal output end of each ranging sensor 7 is electrically connected to the analog-to-digital converter 11 through a signal line, and a signal output end of the analog-to-digital converter 11 is electrically connected to an industrial PC 12; in a specific detection process, each distance measuring sensor 7 generates an electric signal, the analog-to-digital converter 11 is used for converting the electric signal into a digital signal and transmitting the digital signal to the industrial Personal Computer (PC) 12, the industrial Personal Computer (PC) 12 compares each digital signal with a standard numerical range in a database, and if the numerical values of all the digital signals do not exceed the standard numerical range, the product is a qualified product; otherwise, the product is not qualified.

In addition, a pushing cylinder 17 is fixedly arranged on the top surface of the upper top plate 2, a cylinder body of the pushing cylinder 17 is fixedly connected to the upper top plate 2, and a piston rod of the pushing cylinder 17 penetrates through the upper top plate 2 and is fixedly connected with the top surface of the mounting table 4 and used for directly driving the mounting table 4 to lift.

On the basis of the above embodiment, the mounting table 4 is further provided with locking mechanisms for fixing the detection mechanisms and corresponding to the detection mechanisms one by one; specifically, one side of the mounting table 4 is provided with a movable slot 13 communicated with the sliding chute 10, as shown in fig. 2, the locking mechanism comprises a screw 14 and a nut 15, one end of the screw 14 is fixedly connected with the corresponding sliding block 5, the other end of the screw 14 penetrates through the movable slot 13 and extends to the outer side of the movable slot 13, and the nut 15 is in threaded connection with one end of the screw 14 far away from the sliding block 5; when the nut 15 is rotated and the nut 15 is brought into close contact with the side wall of the mounting table 4, the position of the detection mechanism is also fixed, and conversely, the detection mechanism can slide along the slide groove 10.

In summary, in the present embodiment, when the device is used specifically, the curved surface casing to be detected is firstly placed on the workbench 1 and fixed in position, and then the pushing cylinder 17 is started to control the installation platform 4 to descend by a certain height; because the detection cone 9 is contacted with the upper surface of the curved surface shell, the lifting block 8 in each detection mechanism can generate lifting with different amplitudes, the distance measuring sensor 7 transmits a measurement data signal to the industrial PC12 through the analog-to-digital converter 11, and the industrial PC12 judges whether the product is qualified or not by comparing with a standard value range; in addition, because the detection mechanism in the embodiment is slidably connected to the bottom surface of the mounting table 4, the distance between two adjacent detection mechanisms can be adjusted according to different specifications of the curved surface shell part, which is beneficial to improving the universality of the product.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a curved surface casing external surface detection device, includes workstation (1), goes up roof (2), guide post (3) and mount table (4), the upper and lower both ends of guide post (3) respectively with last roof (2) and workstation (1) fixed connection, mount table (4) are located workstation (1) and go up between roof (2), just sliding fit, its characterized in that between mount table (4) and guide post (3): the bottom surface of mount table (4) is equipped with the detection mechanism that a plurality of can follow mount table (4) length direction and slide, still be provided with on mount table (4) and be used for fixed detection mechanism and with the locking mechanism of detection mechanism one-to-one.

2. The curved surface housing external surface detection device of claim 1, wherein: detection mechanism includes sliding block (5), fixed connection sliding sleeve (6), range finding sensor (7) of sliding block (5) bottom surface, is located inside elevator (8) of sliding sleeve (6) and fixed connection are in detection awl (9) of elevator (8) bottom surface, spout (10) that link up about and along mount table (4) length direction distribution are seted up to the bottom surface of mount table (4), sliding block (5) with sliding fit between spout (10), range finding sensor (7) fixed connection is in the bottom surface of sliding block (5) just is located the inboard of sliding sleeve (6) for measure the rise of elevator (8).

3. The curved surface housing external surface detection device of claim 2, wherein: the distance measuring device is characterized by further comprising an analog-to-digital converter (11) and an industrial PC (12), wherein the signal output end of the distance measuring sensor (7) is electrically connected with the analog-to-digital converter (11), and the signal output end of the analog-to-digital converter (11) is electrically connected with the industrial PC (12).

4. The curved surface housing external surface detection device of claim 2, wherein: one side of the mounting table (4) is provided with a movable slotted hole (13) communicated with the sliding groove (10), the locking mechanism comprises a screw rod (14) and a nut (15), one end of the screw rod (14) is fixedly connected with the corresponding sliding block (5), the other end of the screw rod (14) penetrates through the movable slotted hole (13) and extends to the outer side of the movable slotted hole (13), and the nut (15) is in threaded connection with one end, far away from the sliding block (5), of the screw rod (14).

5. The curved surface housing external surface detection device of claim 2, wherein: the sliding sleeve (6) is of a cylindrical structure with an opening at the top end, and a round hole (16) for the detection cone (9) to pass through is formed in the bottom surface of the sliding sleeve (6).

6. The curved surface housing external surface detection device of claim 1, wherein: and a pushing cylinder (17) is fixedly arranged on the top surface of the upper top plate (2), and a piston rod of the pushing cylinder (17) penetrates through the upper top plate (2) and is fixedly connected with the top surface of the mounting table (4).