Small-diameter special-shaped spring detection equipment

By designing small-diameter special-shaped spring detection equipment and using image sensors and limit molds to accurately detect U-shaped springs, the problem of detecting special-shaped springs with thin wire diameter and high size is solved, the product qualification rate is improved and the quality of the springs is guaranteed.

CN223332333UActive Publication Date: 2025-09-12XINXIANG HUIHUANG SPRING
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Patent Information

Application Number
CN202422789192.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-09-12
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

Existing technologies make it difficult to efficiently detect and reject U-shaped springs with thin wire diameters and high dimensional requirements, resulting in a low product qualification rate.

Method used

A small-diameter special-shaped spring detection device was designed, which includes a detection platform, an image sensor, a limit mold and a display device. The image sensor is used to capture the spring image and enlarge it on the display. Combined with the limit mold and fill light, accurate detection of the spring can be achieved.

Benefits of technology

The detection efficiency and product qualification rate of special-shaped springs are improved, and it is ensured that the width of the closed end of the spring is greater than the width of the open end and the bending part is not damaged.

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Abstract

The utility model discloses small-diameter special-shaped spring detection equipment, which comprises a detection table, an image sensor, a limiting mold and display equipment, the detection table is placed on the ground through a support, the image sensor is arranged on the detection table through a bracket, the bracket is also provided with a light supplementing lamp, the limiting mold is provided with an L-shaped bulge for placing a spring, and the display equipment is arranged on the L-shaped bulge. The L-shaped bulge is upwards placed on the detection table under the image sensor, the display equipment comprises a display and a computer host which are connected with each other, the display is placed on the detection table, the computer host is placed on the ground under the detection table, and the computer host is connected with the image sensor and the light supplementing lamp; through cooperative use of the image sensor, the limiting mold and the display device, after the spring is limited through the limiting mold, the spring and a stitch are amplified and displayed through the display device, and personnel determine the position relation between the spring and the stitch through the display, so that whether the spring is qualified or not is determined, and the operation is simple.
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Description

Technical Field

[0001] The utility model relates to the technical field of spring detection, in particular to a detection device for small-diameter special-shaped springs. Background Art

[0002] Due to customer demand, the customer customized a U-shaped spring. The spring wire diameter is 0.3mm, the closed end width of the spring is 10.41~10.51mm, the open end width of the spring is 10.31~10.51mm, and the height of the spring is 10.1~10.5mm. At the same time, the closed end width of the spring must be greater than or equal to the open end width, and the outer cylindrical surface at the bend cannot be damaged. Due to the thin wire diameter and high dimensional requirements, manual production is adopted for production. In order to eliminate unqualified products, a testing equipment for this spring is required. Utility Model Content

[0003] The technical problem to be solved by the utility model is to facilitate the detection of special-shaped springs and improve the product qualification rate.

[0004] In order to solve the above technical problems, the utility model provides a technical solution: a small-diameter special-shaped spring detection device, including a detection platform, an image sensor, a limit mold and a display device, characterized in that: the detection platform is placed on the ground through a support, the image sensor is arranged on the detection platform through a bracket, and a fill light is also provided on the bracket. The limit mold is provided with an L-shaped protrusion for placing the spring, and the L-shaped protrusion is placed upward on the detection platform directly below the image sensor. The display device includes a display and a computer host connected to each other, the display is placed on the detection platform, the computer host is placed on the ground below the detection platform, and the computer host is connected to the image sensor and the fill light.

[0005] Furthermore, a stitch matching the shape of a standard spring is provided in the area enclosed by the L-shaped protrusion, and a closed end of the stitch is parallel to and adjacent to one side protrusion.

[0006] Furthermore, the detection table is provided with a sink for the limiting mold to be placed in.

[0007] Furthermore, the bracket includes a vertical tube and a horizontal tube. The vertical tube is vertically arranged on the detection table. One end of the horizontal tube is extended into the vertical tube and slides up and down on the vertical tube through a sliding mechanism arranged in the vertical tube. The other end of the horizontal tube is provided with the image sensor and the fill light.

[0008] Furthermore, a U-shaped groove is provided on one side wall of the vertical tube to facilitate the up and down movement of the horizontal tube, and a positioning protrusion is provided in the groove, and the positioning protrusion can extend into the positioning groove on the limiting mold.

[0009] Furthermore, the sliding mechanism includes a slide, a screw and a handwheel. There are two slides, which are arranged opposite to each other on the inner wall of the vertical tube. Slide grooves are provided on both sides of one end of the horizontal tube, which are sleeved on the slide and move up and down along the slide. One end of the screw passes through the screw hole provided on the horizontal tube and is connected to the lower bearing provided at the bottom of the vertical tube. The other end of the screw passes through the upper bearing provided at the top of the vertical tube, extends out of the vertical tube and is connected to the handwheel.

[0010] Furthermore, the internal spaces of the horizontal tube and the vertical tube form a channel for laying pipelines connected to the image sensor and the fill light. The other end of the horizontal tube is provided with a pipeline outlet hole, and the bottom of the vertical tube is provided with a pipeline inlet hole.

[0011] The beneficial effects of the utility model are:

[0012] Through the coordinated use of the image sensor, the limiting mold and the display device, after the spring is limited by the limiting mold, the spring and the thread trace are magnified and displayed through the display device. The personnel can determine the positional relationship between the spring and the thread trace through the display, and thus determine whether the spring is qualified; the height of the image sensor can be adjusted through the bracket to improve work efficiency.

[0013] In order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only six of the drawings in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 This is a schematic diagram of the structure of this application.

[0016] Figure 2 Schematic diagram of the structure of the bracket.

[0017] Figure 3 Schematic diagram of the cross tube structure.

[0018] Figure 4 It is a structural diagram of the limiting mold.

[0019] Figure 5 This is a schematic diagram of the structure in which the limiting mold is placed in the sink.

[0020] Figure 6 Schematic diagram of the spring structure.

[0021] In the figure, 1-testing table, 2-support, 3-fill light, 4-image sensor, 6-limiting mold, 7-L-shaped protrusion, 8-display, 9-computer host, 10-stitch, 12-sink, 15-vertical pipe, 16-horizontal pipe, 17-U-shaped groove, 18-slide, 19-screw, 20-handwheel, 21-slide, 22-pipeline entry hole, 23-pipeline exit hole, 24-screw hole; A-spring. DETAILED DESCRIPTION

[0022] The following describes embodiments of the present invention in more detail with reference to the accompanying drawings. Although certain embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the accompanying drawings and embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.

[0023] It should be understood that the various steps described in the method embodiments of the present invention can be performed in a different order and / or in parallel. In addition, the method embodiments may include additional steps and / or omit the steps shown. The scope of the present invention is not limited in this respect.

[0024] The names of the messages or information exchanged between multiple devices in the embodiments of the present invention are only used for illustrative purposes and are not used to limit the scope of these messages or information. Example 1

[0025] like Figures 1-6 As shown, a small-diameter special-shaped spring detection device includes a detection table 1, a laser welding machine 3, a limiting mold 6 and a display device. The detection table 1 is placed on the ground through a support 2, and the image sensor 4 is set on the detection table 1 through a bracket. The bracket is also provided with a fill light 3. The limiting mold 6 is provided with an L-shaped protrusion 7 for placing the spring A. The L-shaped protrusion 7 is placed upward on the detection table 1 directly below the image sensor 4. The display device includes a display 8 and a computer host 9 connected to each other. The display 8 is placed on the detection table 1, and the computer host 9 is placed on the ground below the detection table 1. The computer host 9 is connected to the image sensor and the fill light 3.

[0026] In this embodiment, the image sensor 4 captures the image of the spring A and displays it in an enlarged manner on the display 8, which is convenient for personnel to observe the spring A and determine whether the spring A is qualified based on the traces to ensure the welding quality. At the same time, the display 8 enlarges and displays the image of the spring A captured by the image sensor 4 in real time, which is convenient for personnel to adjust the position of the limit mold 6 according to the display position. The image sensor 4 can be a camera or a high-definition camera, and the fill light 3 is preferably a ring fill light, and the image sensor 4 is located at the center of the ring fill light 3.

[0027] In this embodiment, a stitch matching the shape of the standard spring A is provided in the area enclosed by the L-shaped protrusion 7, and the closed end of the stitch is parallel to and adjacent to one side of the L-shaped protrusion 7; when the closed end of the spring A is placed close to one side of the L-shaped protrusion 7, the positional relationship between the spring A and the stitch can be used to determine whether the spring A is qualified, thereby facilitating rapid testing by personnel.

[0028] During use, personnel place spring A in the area enclosed by the L-shaped protrusion 7, and place the closed end of spring A close to one side of the L-shaped protrusion 7. The image sensor 4 collects the image of spring A and displays it in an enlarged manner on the display 8. The personnel observes the positional relationship between spring A and the stitch 10 through the display 8 to determine whether spring A is qualified. Spring A is qualified within the range of the stitch 10. Example 2

[0029] like Figure 4 As shown, this embodiment is obtained by adding technical features such as a sink 12 on the basis of embodiment one. The remaining technical features are the same as those of embodiment one, and the similarities are not repeated here. Among them, the difference between this embodiment and embodiment one is that: a sink 12 for placing the limiting mold 6 is provided on the detection table 1.

[0030] In this embodiment, the setting of the sink 12 allows the position of the limiting mold 6 to be limited when the limiting mold 6 is placed in the sink 12, so that the limiting mold 6 and the image sensor 4 correspond up and down, ensuring the detection quality. The personnel do not need to perform calibration operations every time the limiting mold 6 is placed, and the operation is convenient and quick. Example 3

[0031] like Figure 1 and Figure 2As shown, this embodiment is obtained by describing in detail the technical features such as the bracket on the basis of the second embodiment. The remaining technical features are the same as those of the second embodiment, and the similarities are not repeated here. The difference between this embodiment and the second embodiment is that: the bracket includes a vertical tube 15 and a horizontal tube 16, the vertical tube 15 is vertically arranged on the detection table 1, one end of the horizontal tube 16 is extended into the vertical tube 15, and slides up and down on the vertical tube 15 through a sliding mechanism arranged in the vertical tube 15, the other end of the horizontal tube 16 is provided with an image sensor 4 and a fill light 3, and a U-shaped groove 17 is provided on one side wall of the vertical tube 15 to facilitate the up and down movement of the horizontal tube 16.

[0032] In this embodiment, the horizontal tube 16 is set on the vertical tube 15 by sliding up and down through a sliding mechanism, and the image sensor 4 is set on the cross bar. The height of the image sensor 4 can be adjusted for easy adjustment. The setting of the U-shaped groove 17 facilitates the up and down movement of the horizontal tube 16.

[0033] Among them, the sliding mechanism includes a slide 18, a screw 19 and a handwheel 20. There are two slides 18, which are relatively arranged on the inner side walls of the vertical tube 15. Both sides of one end of the horizontal tube 16 are provided with slide grooves 21 that are sleeved on the slide 18 and move up and down along the slide 18. One end of the screw 19 passes through the screw hole 24 provided on the horizontal tube 16 and is connected to the lower bearing provided at the bottom of the vertical tube 15. The other end of the screw passes through the upper bearing provided at the top of the vertical tube 15, extends out of the vertical tube 15 and is connected to the handwheel 20.

[0034] In this embodiment, the slide groove 21 at the end of the horizontal tube 16 is slidably set on the slide 18 vertically set inside the vertical tube 15, and the horizontal tube 16 is moved up and down under the action of the rotating screw 19. At the same time, a handwheel 20 is set on the top of the screw 19 to facilitate the rotation of the screw 19 by the handwheel 20. The cooperation of the slide groove 21 and the slide 18 supports 2 the horizontal tube 16, which facilitates the up and down movement of the horizontal tube 16. Example 4

[0035] like Figure 1 and Figure 2 As shown, this embodiment is obtained by further describing the laying method of technical features such as pipelines on the basis of Example 3. The remaining technical features are the same as those of Example 3, and the similarities are not repeated here. The difference between this embodiment and Example 3 is that the internal space of the horizontal tube 16 and the vertical tube 15 forms a channel for laying pipelines connected to the image sensor 4 and the fill light 3, the other end of the horizontal tube 16 is provided with a pipeline outlet hole 23, and the bottom of the vertical tube 15 is provided with a pipeline inlet hole 22.

[0036] In this embodiment, the pipeline is laid in the channel formed by the vertical pipe 15 and the horizontal pipe 16, so that the pipeline does not leak out. While being aesthetically pleasing, it also prevents accidental touching of the pipeline from causing equipment failure.

[0037] Note that the above are merely preferred embodiments of the present invention and the technical principles employed. Those skilled in the art will appreciate that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments, and substitutions are readily apparent to those skilled in the art without departing from the scope of protection of the present invention. Therefore, while the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments and may include many other equivalent embodiments without departing from the scope of the present invention. The scope of the present invention is determined by the appended claims.

Claims

1. A small-diameter special-shaped spring detection device, comprising a detection platform, an image sensor, a limit mold, and a display device, characterized by: The detection platform is placed on the ground through a support, the image sensor is placed on the detection platform through a bracket, and a fill light is also provided on the bracket. The limiting mold is provided with an L-shaped protrusion for placing a spring, and the L-shaped protrusion is placed upward on the detection platform directly below the image sensor. The display device includes a display and a computer host connected to each other. The display is placed on the detection platform, and the computer host is placed on the ground below the detection platform. The computer host is connected to the image sensor and the fill light.

2. The small-diameter special-shaped spring detection device according to claim 1, characterized in that: A stitch matching the shape of a standard spring is provided in the area enclosed by the L-shaped protrusion, and a closed end of the stitch is parallel to and adjacent to one side protrusion.

3. The small-diameter special-shaped spring detection device according to claim 2, characterized in that: The detection table is provided with a sink for the limiting mold to be placed.

4. The small-diameter special-shaped spring detection device according to claim 3, characterized in that: The bracket includes a vertical tube and a horizontal tube. The vertical tube is vertically arranged on the detection platform. One end of the horizontal tube extends into the vertical tube and slides up and down on the vertical tube through a sliding mechanism arranged in the vertical tube. The other end of the horizontal tube is provided with the image sensor and the fill light.

5. The small-diameter special-shaped spring detection device according to claim 4, characterized in that: A U-shaped groove is provided on one side wall of the vertical tube to facilitate the up and down movement of the horizontal tube. A positioning protrusion is provided in the sinking groove, and the positioning protrusion can extend into the positioning groove on the limiting mold.

6. The small-diameter special-shaped spring detection device according to claim 5, characterized in that: The sliding mechanism includes a slide, a screw and a handwheel. There are two slides, which are arranged opposite to each other on the inner wall of the vertical tube. Slide grooves are provided on both sides of one end of the horizontal tube, which are sleeved on the slide and move up and down along the slide. One end of the screw passes through the screw hole provided on the horizontal tube and is connected to the lower bearing provided at the bottom of the vertical tube. The other end of the screw passes through the upper bearing provided at the top of the vertical tube, extends out of the vertical tube and is connected to the handwheel.

7. The small-diameter special-shaped spring detection device according to claim 6, characterized in that: The internal spaces of the horizontal tube and the vertical tube form a channel for laying pipelines connected to the image sensor and the fill light. The other end of the horizontal tube is provided with a pipeline outlet hole, and the bottom of the vertical tube is provided with a pipeline inlet hole.