CN209992156U

CN209992156U - Detection system for automatic screw locking equipment

Info

Publication number: CN209992156U
Application number: CN201920886592.XU
Authority: CN
Inventors: 周曼修; 夏春冬
Original assignee: Suzhou Weimike Automation Equipment Co Ltd
Current assignee: Suzhou Weimike Automation Equipment Co Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-01-24
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a detection system for automatic screw locking equipment, including front mounting panel and rear mounting panel, front mounting panel and rear mounting panel parallel arrangement, the top of front side of front mounting panel is fixed with the camera through the mount pad, the bottom of front side of front mounting panel is fixed with the light source group; the front mounting plate and the rear mounting plate are connected through a connecting plate, a displacement sensor is mounted at the bottom of the connecting plate, and an elastic testing group is arranged on one side of the connecting plate; the back side of the rear mounting plate is connected with the manipulator in an installing mode. The utility model discloses an add and establish displacement sensor and elasticity test group, displacement sensor can carry out the height detection that the camera can not realize, and elasticity test group can be used for the physics to detect, ensures the degree of accuracy that detects more to whole system can cooperate the multiaxis manipulator to use, except that fixed position detects, can also do the position detection of some multi-angle multiposition, accomplishes to detect no dead angle.

Description

Detection system for automatic screw locking equipment

Technical Field

The utility model relates to a detect technical field, concretely relates to a detecting system for on automatic lock screw equipment.

Background

The automatic screw locking equipment is also called automatic screw locking machine, industrial screwing system, etc. it is an automatic application specific device which uses automatic mechanism to replace human hand to complete taking, placing and screwing of screw, and can be used for automatic assembly of column small parts. The automatic assembling device is applied to automatic assembly of automobile part production, computers, display screens, motors, lamps, mobile phones, printers, circuit boards, batteries, instruments and the like, and can greatly improve the production efficiency, reduce the production cost and improve the reliability.

After the automatic screw locking equipment completes screw locking, the automatic screw locking equipment needs to pass through a detection process to confirm that no problem occurs in the locking process of the screw, and unexpected consequences caused in later-stage use are avoided. The existing detection equipment used for automatic screw locking equipment generally adopts optical image detection, and comprises an industrial camera, a light source and a non-standard jig combined structure, the detection mode is mainly judged by photographing contrast of the industrial camera, single detection is carried out in a fixed position mode in the mode, the detection position is fixed and is single, only rough detection can be carried out, the condition and the depth of a screw thread cannot be detected, and the misjudgment rate is high.

SUMMERY OF THE UTILITY MODEL

In view of the above prior art's shortcoming, the utility model aims to provide a detecting system for on automatic screw locking equipment for it is single to detect the rigidity among the solution prior art, and the unable detection of screw thread condition and degree of depth, the higher problem of erroneous judgement rate.

In order to achieve the above and other related objects, the present invention provides a detection system for automatic screw locking equipment, which comprises a front mounting plate and a rear mounting plate, wherein the front mounting plate and the rear mounting plate are arranged in parallel, a camera is fixedly mounted above the front side of the front mounting plate through a mounting seat, and the bottom of the front side of the front mounting plate is fixedly connected with a light source group; the front mounting plate and the rear mounting plate are connected through a connecting plate, a displacement sensor is mounted at the bottom of the connecting plate, and an elastic testing group is arranged on one side of the connecting plate; the back side of the rear mounting plate is connected with the manipulator in an installing mode.

Preferably, the light source group comprises a light shielding plate, a housing and a luminous body, the light shielding plate is perpendicular to the front mounting plate, the housing is connected to the bottom of the light shielding plate, and the luminous body is uniformly arranged on the inner side wall of the housing in a surrounding mode.

Preferably, a through hole is formed in the center of the light shielding plate, the through hole penetrates through the top of the housing and is communicated with the inner cavity of the housing, and the image capturing end of the camera is opposite to the through hole.

Preferably, the elasticity test set comprises a sleeve, a proximity switch, a spring and a processor, wherein the spring is arranged in the sleeve, one end of the proximity switch is connected with the spring, and the other end of the proximity switch extends out of one side of the sleeve.

Preferably, two ends of the connecting plate are respectively and fixedly connected with the front mounting plate and the rear mounting plate through screws.

Compared with the prior art, the beneficial effects of the utility model are that: through one set of intelligent industrial camera and light source of collocation at the front end, make it have traditional camera and detect the function, realize basic screw neglected loading and detect, displacement sensor and elasticity test group have still been set up simultaneously, displacement sensor can carry out the high detection that the camera can not realize, elasticity test group can be used to the physics and detect, ensure the degree of accuracy that detects more, and whole system can cooperate the multiaxis manipulator to use, except that fixed position detects, can also do the position detection of some multi-angle multiposition, accomplish to detect no dead angle.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural diagram of a detection system for an automatic screw locking device according to the present invention;

fig. 2 is a schematic structural diagram of the elasticity testing unit of the present invention.

Wherein the reference numerals are specified as follows: the device comprises a front mounting plate 1, a rear mounting plate 2, a mounting seat 3, a camera 4, a light source group 5, a light shielding plate 51, a housing 52, a through hole 53, a connecting plate 6, a displacement sensor 7, an elasticity testing group 8, a sleeve 81, a proximity switch 82, a spring 83 and a processor 84.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

It should be understood that the structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention does not have the essential significance in the technology, and any modification of the structure, change of the ratio relationship or adjustment of the size should still fall within the scope of the technical content disclosed in the present invention without affecting the function and the achievable purpose of the present invention. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

As shown in fig. 1, the utility model provides a detection system for automatic screw locking equipment, which comprises a front mounting plate 1 and a rear mounting plate 2, wherein the front mounting plate 1 and the rear mounting plate 2 are arranged in parallel, a camera 4 is fixedly arranged above the front side of the front mounting plate 1 through a mounting seat 3, and the bottom of the front side of the front mounting plate 1 is fixedly connected with a light source group 5; the front mounting plate 1 and the rear mounting plate 2 are connected through a connecting plate 6, a displacement sensor 7 is mounted at the bottom of the connecting plate 6, and an elasticity testing group 8 is arranged on one side of the connecting plate 6; the back side of the rear mounting plate 2 is connected with a manipulator.

In this embodiment, the light source group 5 includes a light shielding plate 51, a housing 52 and a light emitter, the light shielding plate 51 is connected to the front mounting plate 1 in a perpendicular manner, the housing 52 is connected to the bottom of the light shielding plate 51, and the light emitter is uniformly arranged on the inner side wall of the housing 52 in a surrounding manner. Wherein the light may be composed of a plurality of LED tubes, the light of which is projected downward into the detection area under the cover 52.

In this embodiment, a through hole 53 is formed in the center of the light shielding plate 51, the through hole 53 penetrates through the top of the housing 52 to communicate with the inner cavity of the housing 52, and the image capturing end of the camera 4 faces the through hole 53. The image capturing end captures an image of the circumference of the screw and an overhead image of the screw in a detection area below the housing 52 by means of the reflected light.

The displacement sensor 7 adopts a laser displacement sensor which can measure by utilizing a laser technology and accurately measure the position, displacement and other changes of a measured object in a non-contact manner, when the displacement sensor is used, the displacement sensor 7 emits one million laser pulses to the detected object and returns to a receiver through a laser emitter every second, a processor calculates the time required for the laser pulses to encounter the detected object and return to the receiver, and thus the distance value is calculated, and the output value is the average output of thousands of measurement results. The model number selected in the embodiment is FT50 RLA-20.

In this embodiment, as shown in fig. 2, the elasticity testing unit 8 includes a casing 81, a proximity switch 82, a spring 83 and a processor 84, wherein the spring 83 is disposed in the casing 81, one end of the proximity switch 82 is connected to the spring 83, and the other end thereof extends out from one side of the casing 81. Before use, the proximity switch 82 and the processor 84 are in a disconnected state, when the proximity switch 82 is used, the proximity switch 82 is inserted into the screw hole, if the screw is arranged in the screw hole, the proximity switch 82 is pressed, the spring 83 is compressed, and the proximity switch 82 is connected with the processor 84 and transmits information of the screw arranged in the proximity switch 82 and the processor 84.

In this embodiment, the both ends of connecting plate 6 pass through the screw respectively with preceding mounting panel 1 and rear mounting panel 2 fixed connection, compact structure, the operation is stable.

The working principle is as follows: through one set of intelligent industrial camera of collocation and light source, make it have traditional camera and detect the function, realize basic screw neglected loading and detect, displacement sensor and elasticity test group have still been set up simultaneously, displacement sensor can carry out the height detection that the camera can not realize, elasticity test group is when using, stretch into the screw with proximity switch in, if the screw is equipped with in the screw, proximity switch is supported and is pressed, spring compression, proximity switch is connected with the treater and transmits the information that the screw is equipped with here, it is high to detect the precision, and whole system can cooperate the multiaxis manipulator to use, except that fixed position detects, can also do the position detection of some multi-angular position, accomplish to detect no dead angle.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The detection system for the automatic screw locking equipment is characterized by comprising a front mounting plate (1) and a rear mounting plate (2), wherein the front mounting plate (1) and the rear mounting plate (2) are arranged in parallel, a camera (4) is fixedly mounted above the front side of the front mounting plate (1) through a mounting seat (3), and the bottom of the front side of the front mounting plate (1) is fixedly connected with a light source group (5); the front mounting plate (1) and the rear mounting plate (2) are connected through a connecting plate (6), a displacement sensor (7) is mounted at the bottom of the connecting plate (6), and an elastic testing group (8) is arranged on one side of the connecting plate (6); the back side of the rear mounting plate (2) is connected with the manipulator in an installing mode.

2. The detection system for the automatic screw locking device according to claim 1, wherein: the light source group (5) comprises a light shielding plate (51), a housing (52) and a luminous body, wherein the light shielding plate (51) is connected with the front mounting plate (1) in a mutually perpendicular mode, the housing (52) is connected to the bottom of the light shielding plate (51), and the luminous body is uniformly arranged on the inner side wall of the housing (52) in a surrounding mode.

3. The detection system for the automatic screw locking device according to claim 2, wherein: a through hole (53) is formed in the center of the light shielding plate (51), the through hole (53) penetrates through the top of the housing (52) to be communicated with the inner cavity of the housing (52), and the image capturing end of the camera (4) is opposite to the through hole (53).

4. The detection system for the automatic screw locking device according to claim 1, wherein: elasticity test group (8) include sleeve pipe (81), proximity switch (82), spring (83) and treater (84), spring (83) set up in sleeve pipe (81), proximity switch's (82) one end is connected with spring (83), and its other end stretches out from one side of sleeve pipe (81).

5. The detection system for the automatic screw locking device according to claim 1, wherein: the two ends of the connecting plate (6) are respectively and fixedly connected with the front mounting plate (1) and the rear mounting plate (2) through screws.