CN209986508U

CN209986508U - Screw screwing detection device

Info

Publication number: CN209986508U
Application number: CN201920405703.0U
Authority: CN
Inventors: 陈勇刚; 胡志斌; 储灿
Original assignee: Dongguan Yi Yi Hardware Mould Co Ltd
Current assignee: Dongguan Yi Yi Hardware Mould Co Ltd
Priority date: 2019-03-28
Filing date: 2019-03-28
Publication date: 2020-01-24
Anticipated expiration: 2029-03-28

Abstract

The utility model discloses a screw screwing detection device, which comprises an upper insulating plate, a lower insulating plate, a spacer block, a limiting plate, a power supply, a luminous body and a contact assembly, wherein the contact assembly comprises a probe, a contact head, an elastic part and a plug head; when the condition of neglected loading of the screws occurs, the probe in any contact assembly does not contact the screws, the contact assembly is in an off state, a light-emitting loop is cut off, and the light-emitting body is extinguished to indicate the neglected loading of the screws; otherwise, the luminous body is lighted, and the screw is not neglected to be installed; the detection device is simple and convenient to operate, high in detection accuracy and high in speed, reduces labor intensity, greatly improves production efficiency, guarantees product quality, improves product percent of pass, enhances competitiveness of enterprises, and is beneficial to wide popularization and application.

Description

Screw screwing detection device

Technical Field

The utility model relates to a detection device technical field, in particular to screw is twisted and is adorned detection device.

Background

In product assembly, screw installation is an important process in the manufacturing process, but when a product requires installation of more than one screw, a defective product with missing screws may be generated. At present, in order to prevent the generation of the defective products, a method of adding a detection station is mainly adopted, the detection is carried out by means of manual visual inspection, but the problem cannot be thoroughly solved from the root, once workers are in the process of inspection and flow into the next process, the defective products can possibly reach end customers, the quality of the products cannot be guaranteed, unnecessary loss is caused to the customers, and adverse effects are also caused to the credit of production enterprises.

The utility model discloses a utility model patent of publication number "CN 202025095U", title "screw installation leak protection automatic detection machine" discloses a screw installation leak protection automatic detection machine, which comprises a machine base and a control system, wherein a protection panel is hinged on a work table plate, a metal detection sensor is arranged on the work table plate at the position corresponding to the screw of the product, a screw guide sleeve is arranged on the protection panel at the position corresponding to the screw of the product, product locking devices are arranged at both sides of the work table plate, and an in-place detection device is arranged at the center of the work table plate; and the display panel is provided with an indicator light which is connected with the corresponding metal detection sensor through a control system. Although it can survey the real-time automated inspection screw installation situation in place and instruct screw installation state through the pilot lamp through the metal and survey the inductor, its structure is comparatively complicated, and is with high costs, and the mobility is poor, is unfavorable for extensive popularization and application.

SUMMERY OF THE UTILITY MODEL

To the above, the utility model aims to provide a structural design is ingenious, reasonable, and is with low costs, simple to use, convenient screw are twisted and are adorned detection device.

The utility model discloses a realize above-mentioned purpose, the technical scheme that provides is: a screw screwing detection device comprises an upper insulating plate, a lower insulating plate, a spacer block, a limiting plate, a power supply, a luminous body and a contact assembly, the contact assembly comprises a probe, a contact head, an elastic component and a plug head, a plurality of through holes matched with the probe are arranged on the lower insulating plate side by side at intervals, the lower end of the probe extends out of the lower end of the through hole to form a screw contact part, the upper end of the probe extends out of the upper end of the through hole to form a clamping head part, the upper insulating plate is fixed on the lower insulating plate through a spacer block, and the upper insulating plate is provided with an assembly hole aligned with the through hole, the contact is positioned in the assembly hole, the lower end of the contact head extends out of the assembly hole to form a contact part, the upper end of the assembly hole is sealed by the plug head, the upper end of the elastic component is pressed against the plug head, and the lower end of the elastic component is pressed against the upper end of the contact head; the plurality of contact assemblies are connected in series on a light emitting loop formed by connecting the power supply and the light emitting body.

As an improvement of the present invention, the light emitting body is an LED lamp.

As an improvement of the utility model, the elastic component is a spring or an elastic rubber column.

As an improvement of the utility model, be equipped with the external screw thread on the outer peripheral face of chock plug, and be equipped with the internal thread with this external screw thread looks adaptation on the inner wall of pilot hole.

As an improvement of the utility model, the lower extreme opening part of pilot hole is equipped with the stop collar.

As an improvement of the utility model, a wear-resisting cover is arranged in the assembling hole.

As an improvement of the utility model, a wear-resistant sleeve is arranged in the through hole.

As an improvement of the utility model, the upper insulating plate is provided with a handle.

The utility model has the advantages that: the utility model has the advantages of ingenious and reasonable structural design, place on the product that needs to detect through the limiting plate, the automatic roof pressure of probe among the contact module is on the screw for the probe goes upward to contact with the contact head and realizes that this contact module makes the closed state, when the condition of neglected loading screw appears, when the probe among arbitrary contact module does not contact the screw, then this contact module makes the off-state, and then cuts off luminous loop, and the luminous body extinguishes, explains the neglected loading screw; otherwise, the luminous body is lighted, and the screw is not neglected to be installed; the operation is simple and convenient, the detection accuracy is high, the speed is high, the production efficiency is greatly improved while the labor intensity is reduced, the product quality is ensured, the product percent of pass is improved, the competitiveness of an enterprise is enhanced, in addition, the whole structure is simple, the realization is easy, the cost is low, the size is small, and the wide popularization and the application are facilitated.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the middle contact assembly of the present invention.

Fig. 3 is a schematic structural diagram of the detection of the present invention.

Fig. 4 is a schematic circuit diagram of the present invention.

Detailed Description

Example (b): referring to fig. 1 and fig. 2, the embodiment of the present invention provides a screw-on detection device, which includes an upper insulating plate 1, a lower insulating plate 2, a spacer 3, a limiting plate 4, a power supply 5, a light emitting body 6 and a contact assembly 7. In this embodiment, the light emitting body 6 is preferably an LED lamp, which saves energy and has a long service life. The power source 5 is preferably a rechargeable lithium battery, and in other embodiments, the power source 5 may be a common cylindrical battery or a button battery.

In this embodiment, the number of the contact assemblies 7 is five, and the contact assemblies are correspondingly arranged according to the screw positions of the products to be detected. Five contact assemblies 7 are connected in series on a lighting circuit formed by the connection of the power supply 5 and the lighting body 6. In other embodiments, the number of the contact assemblies 7 is set according to the number of screws to be detected, such as three, four, eight or more.

The contact assembly 7 comprises a probe 71, a contact head 72, an elastic member 73 and a plug 74, wherein a plurality of through holes matched with the probe 71 are arranged on the lower insulating plate 2 at intervals side by side, the lower end of the probe 71 extends out of the lower end of the through holes to form a screw contact part 711, and the upper end of the probe 71 extends out of the upper end of the through holes to form a clamping head part 712.

The upper insulating plate 1 is fixed on the lower insulating plate 2 through the spacer 3, and specifically, the upper insulating plate 1 and the spacer can be sequentially penetrated through screws and screwed into screw holes of the lower insulating plate 2. Go up be equipped with on insulation board 1 with the pilot hole that the through-hole was adjusted well, contact 72 is located this pilot hole, and the lower extreme opening narrowing of this pilot hole forms the screens, the radial protruding formation of upper end of contact 72 can the buckle be in dop 721 in the screens, the lower extreme of this contact 72 stretches out from the pilot hole and forms contact portion 722, the upper end of pilot hole is sealed through chock plug 74, for easy to assemble be equipped with the external screw thread on the outer peripheral face of chock plug 74, and be equipped with the internal thread with this external screw thread looks adaptation on the inner wall of pilot hole. In other embodiments, the outer surface of the plug 74 may be smooth and disposed on the mounting hole by interference fit. The upper end of the elastic component 73 is pressed against the plug 74, and the lower end is pressed against the chuck 721 of the contact 72; in this embodiment, the elastic member 73 is preferably a spring, and in other embodiments, the elastic member 73 may be an elastic rubber column.

Preferably, a limiting sleeve 75 is arranged at the lower opening of the assembling hole. The stop collar 75 is preferably a silicone sleeve, which has a buffering effect to prevent the probe 71 from being damaged by hitting the upper insulating plate 1.

Preferably, a wear sleeve 76 is provided in the fitting hole and a wear sleeve 77 is provided in the through hole. Not only can the service life be prolonged, but also the service lives of the probe 71 and the contact 72 can be prolonged.

In order to improve the convenience of use, the upper insulating plate 1 is provided with a handle 8, so that the operation and use are convenient, and the flexibility is further improved.

During detection, referring to fig. 3, an operator can conveniently move the screw screwing detection device of the present invention to a product 9 to be detected through the handle 8, the screw 9 to be detected is placed on the product 9 to be detected through the limiting plate 4, the limiting plate 4 avoids the screw 10 to be detected right away, and simultaneously the probe 71 in the contact assembly 7 can be correspondingly aligned to the screw position to be detected, at this time, the probe 71 is automatically pressed on the screw 10, so that the probe 71 ascends to contact with the contact head 72 to realize that the contact assembly 7 is in a closed state, when the condition of neglected loading of the screw 10 occurs, the probe 71 in any contact assembly 7 does not contact with the screw 10, the probe 71 automatically descends to be separated from the contact head 72 under the action of self gravity, the contact assembly 7 is in an open state, and then the light emitting loop is cut off, and the light emitting body 6 is extinguished, thereby indicating that the screw is; otherwise, the luminous body 6 is lighted, so that the screw is not neglected to be installed, the operation is simple and convenient, the detection accuracy is high, the speed is high, the labor intensity is reduced, the production efficiency is greatly improved, the product quality is ensured, and the product percent of pass is improved.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation. If the present invention is applied to the above embodiments, other devices obtained by using the same or similar structure are all within the protection scope of the present invention.

Claims

1. A screw screwing detection device is characterized by comprising an upper insulating plate, a lower insulating plate, a spacer block, a limiting plate, a power supply, a luminous body and a contact assembly, the contact assembly comprises a probe, a contact head, an elastic component and a plug head, a plurality of through holes matched with the probe are arranged on the lower insulating plate side by side at intervals, the lower end of the probe extends out of the lower end of the through hole to form a screw contact part, the upper end of the probe extends out of the upper end of the through hole to form a clamping head part, the upper insulating plate is fixed on the lower insulating plate through a spacer block, and the upper insulating plate is provided with an assembly hole aligned with the through hole, the contact is positioned in the assembly hole, the lower end of the contact head extends out of the assembly hole to form a contact part, the upper end of the assembly hole is sealed by the plug head, the upper end of the elastic component is pressed against the plug head, and the lower end of the elastic component is pressed against the upper end of the contact head; the plurality of contact assemblies are connected in series on a light emitting loop formed by connecting the power supply and the light emitting body.

2. The screw-on detection device of claim 1, wherein the light is an LED lamp.

3. The screw-on detection device according to claim 1 or 2, wherein the elastic member is a spring or an elastic rubber column.

4. The screw-up detection device according to claim 1, wherein an external thread is provided on an outer peripheral surface of the plug head, and an internal thread adapted to the external thread is provided on an inner wall of the fitting hole.

5. The screw-up detection device according to claim 1, wherein a stopper sleeve is provided at a lower end opening of the fitting hole.

6. The screw-on detection device of claim 1, wherein a wear sleeve is disposed within the assembly aperture.

7. The screw-on detection device of claim 1, wherein a wear sleeve is disposed within the through-hole.

8. The screw-on detection device of claim 1, wherein the upper insulating plate is provided with a handle.