Part height difference detection device

Abstract

The utility model discloses a part height difference detection device which comprises a vertical plate, a lifting motor is arranged on the vertical plate, a lifting plate is arranged at the output end of the lifting motor through a lead screw, two detection rods are arranged on the lifting plate and can move up and down along the lifting plate, a detection air cylinder is arranged on one side of the vertical plate, and the detection air cylinder is arranged on the other side of the vertical plate. A laser displacement sensor is arranged at the output end of the detection air cylinder and can move to the position below the two detection rods. The structure is simple, the two detection rods make contact with the detection position of the to-be-detected part, then the laser displacement sensor is matched, the height difference of the part is detected, and the detection efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to part detection technical field, concretely is a part height difference detection device. BACKGROUND

[0002] In the production and processing of automobile parts, the parts need to be detected in all aspects to determine whether the parts are qualified, which includes height difference detection. By detecting the height difference of two positions of the parts, it is determined whether the parts meet the qualified standard. The existing detection method generally adopts manual measurement. The manual method is not only low in efficiency, but also easy to cause measurement error, resulting in an increase in the unqualified rate of the parts. UTILITY MODEL CONTENTS

[0003] To solve the problems in the prior art, the present application provides a part height difference detection device, which comprises a vertical plate, a lifting motor is arranged on the vertical plate, a lifting plate is arranged on the output end of the lifting motor through a lead screw, two detection rods are arranged on the lifting plate, the two detection rods can move up and down on the lifting plate, a detection cylinder is arranged on one side of the vertical plate, a laser displacement sensor is arranged on the output end of the detection cylinder, and the laser displacement sensor can move below the two detection rods.

[0004] Further, a guide rail is vertically arranged on the vertical plate, the lifting plate is arranged on the guide rail, and the detection rods are connected to the lifting plate through U-shaped plates.

[0005] Further, the detection rods are connected to the U-shaped plates through linear bearings, a limiting boss is arranged on the detection rods at a position inside the U-shaped plates, and a spring is sleeved on the detection rods between the limiting boss and the U-shaped plates.

[0006] Further, the upper and lower ends of the detection rods are arranged through the U-shaped plates, the upper end is used for contacting the parts, and the lower end is used for providing a detection position of the laser displacement sensor.

[0007] Further, the part height difference detection device further comprises a bottom plate, a guide rail and a linear slide module are arranged on the bottom plate, a moving plate is arranged on the guide rail, a slider of the linear slide module is connected to the moving plate, and the vertical plate and the detection cylinder are arranged on the moving plate.

[0008] Further, a positioning sheet is arranged on the slider of the linear slide module, a plurality of U-shaped switches are arranged on the linear slide module body at intervals, and the positioning sheet can move to a detection position of the U-shaped switches.

[0009] The part height difference detection device provided by the application has the advantages that the structure is simple, two detection rods contact the detection position of the part to be detected, then cooperate with the laser displacement sensor to detect the part height difference, the detection efficiency is high, and the product qualification rate is improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is an embodiment structure schematic view of the part height difference detection device of the application.

[0011] Figure 2 It is Figure 1 a partial structure schematic view.

[0012] Figure 3 It is Figure 2 another view structure schematic view.

[0013] Figure 4 It is Figure 3 a detection rod structure schematic view.

[0014] In the figure, 10 is a bottom plate, 11 is a horizontal guide rail, 12 is a linear slide module, 13 is a moving plate, 14 is a connecting plate, 15 is a drag chain, 16 is a vertical plate, 161 is a vertical guide rail, 17 is a lifting motor, 171 is a synchronous belt, 172 is a synchronous wheel, 173 is a lead screw, 18 is a lifting plate, 19 is a U-shaped plate, 20 is a detection rod, 201 is a limiting boss, 21 is a linear bearing, 22 is a spring, 23 is a moving cylinder, 24 is a laser displacement sensor, 25 is a U-shaped switch, and 26 is a positioning sheet. DETAILED DESCRIPTION

[0015] In order to make the person in the art better understand the application scheme, the technical scheme in the application embodiment will be described clearly and completely in the following by combining the drawings in the application embodiment. Obviously, the described embodiments are only a part of the embodiments of the application, not all. Based on the embodiments in the application, all other embodiments obtained by the person in the art without creative labor should belong to the protection scope of the application.

[0016] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and do not necessarily indicate a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be combined. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not necessarily limit to those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0017] In the present application, the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0018] In addition, in addition to indicating the orientation or positional relationship, the above-mentioned partial terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain dependent relationship or connection relationship in some cases. For those skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0019] In addition, the terms "mount", "set", "provided with", "connected", "connected", "sleeved" should be broadly understood. For example, it can be a fixed connection, a detachable connection, or a monolithic structure; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0020] It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in conjunction with the embodiments.

[0021] Referring to Figures 1-4 The present embodiment provides a part height difference detection device, which comprises a bottom plate 10, a horizontal guide rail 11 and a linear slide module 12 are arranged on the bottom plate 10, a moving plate 13 is arranged on the horizontal guide rail 11, a connecting plate 14 is arranged on the slider of the linear slide module 12, one end of the connecting plate 14 is connected with the moving plate 13, and the other end is provided with a drag chain 15 for fixing the wire harness and ensuring the service life of the wire.

[0022] The moving plate 13 is provided with a vertical plate 16, one side of the vertical plate 16 is provided with a lifting motor 17, the output end of the lifting motor 17 is provided with a lead screw 173 through a synchronous belt 171 and a synchronous wheel 172, the lead screw 173 is provided with a lifting plate 18, the lifting plate 18 is located at the other side of the vertical plate, and the vertical plate 16 is provided with a lifting guide rail 161, the lifting plate is arranged on the lifting guide rail 161, and a U-shaped plate 19 is arranged on the lifting plate 18, two groups of detection rods 20 are arranged side by side on the U-shaped plate 19, the detection rods 20 are connected to the U-shaped plate through linear bearings 21 so that the detection rods 20 can move up and down along the U-shaped plate, and the two ends of the detection rods 20 can penetrate the U-shaped plate.

[0023] The part of the detection rod 20 located in the U-shaped plate is provided with a limiting boss 201, a spring 22 is arranged on the detection rod below the limiting boss 201, the bottom end of the spring 22 abuts against the U-shaped plate, and when the detection rod 20 rises and contacts the detection part, the spring can achieve buffering.

[0024] The moving plate 13 is further provided with a moving cylinder 23, the output end of the moving cylinder is provided with a laser displacement sensor 24 through a mounting plate, and the laser displacement sensor 24 can move to the lower side of the detection rod 20.

[0025] In order to accurately detect the position of the detection rod 20 below the part to be detected, a plurality of U-shaped switches 25 are arranged at intervals on the linear slide module 12 body, and a positioning piece 26 is arranged on the sliding block of the linear slide module 12, the positioning piece 26 is moved to the detection position of the U-shaped switch 25, and the position of the detection rod is accurately positioned.

[0026] When the height difference of the part is detected, the detection rod 20 is moved to the lower side of the part to be detected through the linear slide module 12, the lifting motor 17 is started, the detection rod is driven to rise, in the initial state, the two detection rods are at the same height, because the detection positions of the part are high and low, after the top ends of the detection rods contact the detection positions, the bottom ends of the detection rods are extended downward, then the moving cylinder 23 drives the laser displacement sensor 24 to move to the bottom end of the detection rod, the height data of the bottom ends of the two detection rods is recorded through the laser displacement sensor 24, and whether the height difference of the two detection positions of the part is within the qualified range is judged.

[0027] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A part height difference detecting device comprising a vertical plate, characterized by: The vertical plate is provided with a lifting motor, the output end of the lifting motor is provided with a lifting plate through a lead screw, two detection rods are arranged on the lifting plate, the two detection rods can move up and down on the lifting plate, a detection cylinder is arranged on one side of the vertical plate, the output end of the detection cylinder is provided with a laser displacement sensor, and the laser displacement sensor can move below the two detection rods.

2. The part height difference detection device according to claim 1, characterized by: The lifting plate is arranged on the guide rail, and the detection rods are connected to the lifting plate through U-shaped plates.

3. The part height difference detection apparatus according to claim 2, characterized by: The detection rods are connected to the U-shaped plates through linear bearings, a limiting boss is arranged on the detection rods at a position inside the U-shaped plates, and springs are arranged on the detection rods between the limiting boss and the U-shaped plates.

4. The part height difference detection apparatus according to claim 3, characterized by: The upper and lower ends of the detection rods are arranged through the U-shaped plates.

5. The part height difference detection apparatus according to claim 1, characterized by: The part height difference detection device further comprises a bottom plate, guide rails and a linear slide module are arranged on the bottom plate, a moving plate is arranged on the guide rails, the slider of the linear slide module is connected to the moving plate, and the vertical plate and the detection cylinder are arranged on the moving plate.

6. The part height difference detection apparatus according to claim 5, characterized by: A positioning piece is arranged on the slider of the linear slide module, a plurality of U-shaped switches are arranged on the linear slide module body at intervals, and the positioning piece can move to a detection position of the U-shaped switches.

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