CN111069891B

CN111069891B - A new type of screw locking mechanism

Info

Publication number: CN111069891B
Application number: CN202010144070.XA
Authority: CN
Inventors: 李仕兵; 林庆和; 彭少勇
Original assignee: Xiamen Xinghechuang Automation Technology Co ltd
Current assignee: Xiamen Xinghechuang Automation Technology Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2025-04-01
Anticipated expiration: 2040-03-04
Also published as: CN111069891A

Abstract

The invention discloses a novel screw locking mechanism which comprises a bottom plate, a product fixing mechanism arranged on the bottom plate, a base adjusting mechanism arranged on the right side of the product fixing mechanism, a locking mechanism arranged above the product fixing mechanism, an automatic screw feeding mechanism arranged on the bottom plate, and a visual detection mechanism arranged on the left side of the product fixing mechanism. The screw locking mechanism disclosed by the invention has the advantages of high automation degree, simple structure, convenience in operation and excellent comprehensive performance, and can effectively ensure that the moving plate is positioned between two stationary contacts in the middle, thereby improving the product quality.

Description

Novel screw locking mechanism

Technical Field

The invention relates to the technical field of relay production equipment, in particular to a novel screw locking mechanism.

Background

Screws are an indispensable industrial necessity in daily life, and are widely applied to products such as computers, mobile phones, clocks, relays and the like. Along with the improvement of the living standard of people, the requirements of people on electronic products are gradually improved, so that the demand of an automatic switch relay which uses smaller current to control larger current is also gradually improved, in the process of assembling the relay (shown in the attached figure 1), the screw locking process needs to be carried out on a relay base 8 and a magnetic circuit 9, the operation of the prior screw locking machine is simple, the position accuracy of the screw locking machine is poor, the centering of a relay moving plate 10 between two fixed contacts 11 cannot be ensured, the quality and the efficiency of the screw locking of a product are difficult to ensure, and in addition, when the screw locking is finished, the hard impact of the screw and the product is large, and the product is easy to damage.

Disclosure of Invention

In order to solve the technical problems, the invention provides a novel screw locking mechanism. The screw locking mechanism is high in automation degree, simple in structure, convenient to operate and excellent in comprehensive performance, can ensure that a moving plate is positioned between two stationary contacts in the middle, improves product quality, is provided with torsion detection, detects the torsion at all times when in work, and prevents damage to products caused by excessive screwing of screws, and the screw locking mechanism adopts flexible contact to prevent the products from being scratched.

The invention provides the following technical scheme that the novel screw locking mechanism comprises a bottom plate, and the screw locking mechanism further comprises:

The product fixing mechanism is arranged on the bottom plate and used for placing and clamping relay products;

The base adjusting mechanism is arranged on the right side of the product fixing mechanism and is used for carrying out micro-movement on the front and back positions of the relay product base on the product fixing mechanism so that the moving plate is just centered between the two fixed contacts;

the locking mechanism is arranged above the product fixing mechanism and is used for connecting the base and the magnetic circuit into a whole through a knob screw;

The screw automatic feeding mechanism is arranged on the bottom plate and used for providing screw automatic feeding for the locking mechanism, and

The visual detection mechanism is arranged at the left side of the product fixing mechanism and is used for photographing and detecting the upper moving plate of the product fixing mechanism;

After the relay is conveyed to a designated position by the product fixing mechanism, the vision detection mechanism shoots and detects the position of the moving plate clamped on the product fixing mechanism, whether the moving plate is centered between two stationary contacts is judged, the base adjusting mechanism fine adjusts the front and back positions of the relay base according to the structure detected by the vision detection mechanism, then the screw is conveyed to the locking mechanism by the screw automatic feeding mechanism, and the locking mechanism is used for screwing the screw into a product to finish product locking. Preferably, the base adjustment mechanism comprises a bracket;

The first power source is arranged on the bracket and used for providing a power source;

The front-back moving device can be arranged on the bracket in a sliding way, the first power source can drive the front-back moving device to lift and move, and

And the movable shifting fork component is arranged on the front-back moving device and is used for carrying out position fine adjustment on the relay base.

Particularly, the first power source is a cylinder, the cylinder is arranged on the bracket through a cylinder mounting plate, and sensors are arranged at the initial position and the pushing-out position of the push rod corresponding to the cylinder and used for sensing the position of the push rod.

In particular, the mobile fork component comprises a mobile fork base;

the second dynamic power source is arranged on the dynamic shifting fork base and used for providing a power source;

The second dynamic power source can drive the movable shifting fork element to move, the movable shifting fork element is provided with a base positioning groove for automatically positioning when clamping the base, and the second dynamic power source can drive the movable shifting fork element to move

And the static shifting fork element is fixedly arranged on the shifting fork base and is used for being matched with the dynamic shifting fork element to compress the relay base. The visual detection mechanism comprises a visual support, wherein a mechanical visual lens is fixedly connected to the top of the visual support, the visual support comprises a connecting support and a connecting element, the connecting supports are symmetrically arranged, and adjacent connecting supports are connected through the connecting element.

Preferably, the locking mechanism comprises a locking screw support frame;

The lifting device is arranged on the lock screw supporting frame and used for providing a power source;

The screw locking device comprises a screw locking component, a screw knob supporting table and a screw knob supporting table, wherein the screw locking component is arranged on the lifting device, the lifting device can drive the screw locking component to move up and down, the screw knob supporting table is fixedly arranged on the screw locking supporting frame, and the screw knob supporting table is used for supporting a product fixing mechanism during screwing and preventing deformation from affecting product quality.

Preferably, the product securing mechanism comprises a product securing bracket;

the third power source is arranged on the product fixing bracket and used for providing a power source;

A magnetic circuit fixing part slidably arranged on the product fixing bracket, the third power source driving the magnetic circuit fixing part to move, and

The tool fixture is slidably arranged on the magnetic circuit fixing component, and the magnetic circuit fixing component is used for fixing a magnetic circuit on the tool fixture.

The magnetic circuit fixing component comprises a magnetic circuit fixing base, a driving air cylinder and a push rod, wherein the driving air cylinder is arranged on the magnetic circuit fixing base through a fastening piece, the push rod is fixedly arranged on the driving air cylinder, the driving air cylinder can drive the push rod to move, the push rod is provided with a yielding groove, a first notch and a second notch are arranged on two sides of the push rod, and the length of the second notch is longer than that of the first notch.

The screw automatic feeding mechanism comprises a vibration feeding device, wherein a limiting element is arranged at the discharge end of the vibration feeding device and used for limiting screws conveyed by the vibration feeding device and preventing the screws from falling off, and a screw feeding manipulator is arranged on one side of the limiting element and used for grabbing and placing the screws on the limiting element one by one on a screw knob supporting table.

In particular, the screw feeding manipulator comprises a manipulator bracket;

The fourth power source is arranged on the manipulator bracket and used for providing a power source;

the fifth power source is slidably arranged on the manipulator bracket, and the fourth power source can drive the fifth power source to move; and the screw grabbing component is arranged on the fifth power source and is used for grabbing screws one by one.

Compared with the prior art, the invention has the following advantages:

1) The novel screw locking mechanism has the advantages of high automation degree, simple structure, convenient operation and excellent comprehensive performance, can effectively ensure that the moving plate of the relay is positioned between two static contacts in the middle, ensures that the deformation of the moving plate of the relay product is consistent under the condition of power on or power off, and improves the product quality.

2) The knob motor is connected with the second connecting plate through the spring in structure, so that flexible contact is adopted in the downward moving process of the knob motor, hard impact is not generated at the moment of knob contact, damage to products caused by excessive screwing can be prevented in the knob process, the product quality is improved, and the service life of equipment is prolonged.

3) The current position of the relay moving plate is structurally photographed and detected by the visual detection mechanism, the specific position of the relay moving plate can be captured and positioned, the limitation of the shape and the size of a product is avoided, and the requirement of the current relay and other products for diversification is met.

4) The relay base is fixed and locked after the front and back positions of the relay base are adjusted in a micro-movement mode by the aid of the second movable power source matched with the first power source in a structure, and accordingly the movable shifting fork element and the static shifting fork element are driven to conduct telescopic action, and the quality of products is guaranteed to be balanced and consistent.

Drawings

FIG. 1 is a front view of a relay product of the present invention;

FIG. 2 is a schematic view of a three-dimensional structure of a novel screw locking mechanism according to an embodiment of the present invention;

FIG. 3 is an exploded view of a novel screw locking mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic view of a base adjusting mechanism according to an embodiment of the present invention;

FIG. 5 is a schematic view of a visual inspection mechanism according to an embodiment of the present invention;

FIG. 6 is a schematic view of a locking mechanism according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a product fixing mechanism according to an embodiment of the invention.

Detailed Description

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art, that in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and that identical reference numerals are used to designate identical devices, and thus descriptions thereof will be omitted.

Referring to fig. 2 to 3, a novel screw locking mechanism comprises a base plate (not shown), a product fixing mechanism 2, a base adjusting mechanism 3, a locking mechanism 4, an automatic screw feeding mechanism 5 and a visual detection mechanism 6, wherein the base plate is made of metal plates and mainly plays a supporting role for supporting parts such as the base adjusting mechanism 3, the locking mechanism 4, the automatic screw feeding mechanism 5 and the visual detection mechanism 6. The automatic screw feeding mechanism comprises a base adjusting mechanism 3, a locking mechanism 4, a screw automatic feeding mechanism 5 and a visual detection mechanism 6, wherein the base adjusting mechanism 2 is arranged on the right side of the product fixing mechanism 2 and is used for carrying out fine adjustment on the front and rear positions of a base of a relay product on the product fixing mechanism 2, so that a moving plate is just centered between two fixed contacts (arranged on the base) to ensure that the displacement distance of the moving plate is consistent during operation, the locking mechanism 4 is arranged on the product fixing mechanism 2 and is used for carrying out locking attachment to be integrated after the relative position between the base and the magnetic circuit is corrected, the screw automatic feeding mechanism 5 is arranged on the base and is used for providing screw automatic feeding for the locking mechanism 4, and the visual detection mechanism 6 is arranged on the left side of the product fixing mechanism 2 and is used for carrying out photographing detection on the moving plate on the product fixing mechanism 2 and detecting whether the distance between the moving plate and the fixed contacts on the left and right sides is consistent through imaging.

After the product fixing mechanism 2 clamps the relay product and then conveys the relay product to a designated position (photographing detection position), the visual detection mechanism 6 starts to detect, the moving plate position for clamping the relay product on the product fixing mechanism 2 is photographed and detected, whether the distance between the moving plate and the static contacts on the left side and the right side is consistent is judged, the base adjusting mechanism 3 carries out relative position fine adjustment on the relay base according to the structure detected by the visual detection mechanism 6, so that the moving plate is just arranged in the middle, then the screw automatic feeding mechanism 5 conveys screws to the locking mechanism 4 one by one, and the locking mechanism 4 completes product locking in screwing the screws into the product.

The invention has high degree of automation, simple structure, convenient operation and superior comprehensive performance, and can ensure that the moving plate is centrally positioned between symmetrically arranged stationary contacts on the base, thereby improving the product quality. Has wide market prospect and is suitable for popularization and application. The product fixing mechanism 2, the base adjusting mechanism 3, the locking mechanism 4, the screw automatic feeding mechanism 5, and the visual inspection mechanism 6 will be described in detail below.

On the basis of the above embodiment, referring to fig. 4, the base adjusting mechanism 3 includes a bracket 31, a first power source 32, a forward and backward moving device 33, and a moving fork member 34, where the bracket 31 mainly plays a supporting role for supporting the first power source 32, the forward and backward moving device 33, and the moving fork member 34. The bracket 31 is provided with a first elongated hole 311, a second elongated hole (not shown) is formed in the bottom plate, and fasteners sequentially penetrate through the first elongated hole 311 and the second elongated hole (not shown) to set the base adjusting mechanism 3 on the bottom plate. The number of the first elongated holes 311 is the same as the number of the second elongated holes (not shown), and may be plural. When the similar products are replaced, the relay can be used almost without changing the whole structure, and particularly, the effect is more remarkable when the relay is updated more quickly. The first power source 32 is disposed on the bracket 31 and is used for providing a power source, specifically, the first power source 32 is a cylinder, the cylinder is mounted on the bracket 31 through a cylinder mounting plate 321, and a sensor (not shown) is disposed at an initial position and a push-out position of the push rod corresponding to the cylinder and is used for sensing the position of the push rod. Of course, in other embodiments, the first drive source 32 may also be an electric or various forms of cylinders or push-type power devices. The cylinder mounting plate 321 is provided with a buffer 322 for reducing the speed and buffering the front and back moving device 33 during lifting, preventing the rapid movement from causing mutual collision, and prolonging the service life. The front-back moving device 33 is slidably disposed on the support 31, the first power source 32 may drive the front-back moving device 33 to perform lifting movement, the front-back moving device 33 includes a servo motor 331 and a screw transmission mechanism 332, an output end of the servo motor 331 is in transmission connection with the screw transmission mechanism 332, and the servo motor 331 is provided with a sensor 333 for sensing a moving position of a shaft sleeve on the screw transmission mechanism 332. The movable fork member 34 is provided on the forward/backward movement device 33, and is used for performing a minute forward/backward movement adjustment of the relay base.

On the basis of the above embodiment, referring to fig. 4, the movable fork member 34 includes a movable fork base 341, a second movable power source 342, a movable fork member 343 and a static fork member 344. The fork base 341 is used for supporting a second dynamic power source 342, a dynamic fork element 343 and a static fork element 344. Specifically, the second power source 342 is disposed on the movable fork base 341 and is used for providing a power source, the second power source 342 is a cylinder, the cylinder is mounted on the fork base 341 through the second cylinder mounting plate 3421, and sensors (not shown) are disposed at an initial position and a push-out position of the push rod corresponding to the cylinder and are used for sensing the position of the push rod. Of course, in other embodiments, the second power source 342 may be an electric or various cylinder or push-type power device, the movable fork member 343 may be slidably disposed on the movable fork base 341 through a linear sliding rail, the second movable power source 342 may drive the movable fork member 343 to reciprocate along the sliding rail, the movable fork member 343 is provided with a base positioning groove 3431 for automatically positioning in cooperation with a protrusion on the base when clamping the base, and the static fork member 344 is fixedly disposed on the fork base 341 through a fastener for clamping the relay base in cooperation with the movable fork member 343.

On the basis of the above embodiment, referring to fig. 5, the visual detection mechanism 6 includes a visual support 61, and a mechanical visual lens 62 for photographing is fixedly connected to the top of the visual support 61, where the mechanical visual lens 62 may be a digital camera or a CCD industrial camera, which is not limited herein. The visual support 61 comprises a connecting support 611 and a connecting element 612, wherein the connecting support 611 is symmetrically arranged, adjacent connecting supports 611 are fixedly connected through the connecting element 612, a third strip-shaped hole 6111 is formed in the connecting support 611, a fourth strip-shaped hole (not shown) is formed in a bottom plate (not shown), and then the visual detection mechanism 6 is arranged on the bottom plate (not shown) by sequentially penetrating the third strip-shaped hole 6111 and the fourth strip-shaped hole (not shown) through a fastener. The number of the third elongated holes 311 is the same as the number of the fourth elongated holes (not shown), and may be plural. When the similar workpieces are replaced, the product can be used almost without changing the whole structure, and particularly, the effect is more remarkable when the product is updated more quickly. In addition, in order to improve the definition of the shooting of the machine vision lens 62, in this embodiment, an LED annular light source (not shown) may be coaxially disposed on the opposite side of the machine vision lens 62, so as to provide a more suitable shooting environment for shooting, and improve the imaging definition.

On the basis of the above embodiment, referring to fig. 6, the locking mechanism 4 includes a locking screw support 41, where the locking screw support 41 is used for supporting a lifting device 42, a locking screw part 43 and a screw knob support 44, and the locking screw support 41 is formed by splicing metal workpieces. The lifting device 42 is disposed on the screw locking support 41 and is used for providing a power source, in this embodiment, the lifting device 42 adopts a linear module, which is well known to those skilled in the art, and is not described in detail herein, and the linear module is provided with a second sensor 421 for sensing the position information of the screw locking component 43. The screw locking component 43 is arranged on the lifting device 42, the lifting device 42 can drive the screw locking component 43 to move up and down along the vertical direction, the screw locking component 43 comprises a knob motor 431, the output end of the knob motor 431 is connected with a cross screw driver or a straight screw driver and the like, the output end of the knob motor 431 is coaxially provided with a vacuum absorber 432, the cross screw driver or the straight screw driver is inserted into the inner side of a cavity of the vacuum absorber 432, the knob motor 431 is further connected with the vacuum absorber 432 through a first connecting plate 433, the first connecting plate 433 is movably arranged on a second connecting plate 434, a spring is arranged between the first connecting plate 433 and the second connecting plate 434, hard impact does not occur in the downward moving process of the knob motor 431, excessive screwing can be prevented, damage to products is caused in the knob process, and the service life of equipment is prolonged. The screw knob supporting table 44 is fixedly arranged on the screw locking supporting frame 41, and is used for supporting the product fixing mechanism 2 during screwing, so that deformation is prevented from affecting the product quality.

On the basis of the above embodiment, referring to fig. 7, the product fixing mechanism 2 includes a product fixing bracket 21, and the product fixing bracket 21 supports a third power source 22, a magnetic circuit fixing component 23 and a tooling fixture 24. The product fixing bracket 21 is provided with a fifth elongated hole 211, a sixth elongated hole (not shown) is provided on the bottom plate (not shown), and then the product fixing mechanism 2 is arranged on the bottom plate (not shown) by sequentially penetrating the fifth elongated hole 211 and the sixth elongated hole (not shown) through fasteners. The number of fifth elongated holes 2111 may be plural as the number of sixth elongated holes (not shown). When the similar workpieces are replaced, the workpiece can be used almost without changing the whole structure, and particularly, the effect is more remarkable when the product is updated more quickly; the fixed bracket 21 is provided with a fourth buffer 212 for decelerating and buffering the moving magnetic circuit fixing member 23 to prevent collision. Specifically, the third power source 22 is disposed on the product fixing support 21 and is used for providing a power source, the third power source 22 is a cylinder, the cylinder is mounted on the product fixing support 21 through the third cylinder mounting plate 221, and sensors (not shown) are disposed at an initial position and a pushing position of the push rod corresponding to the cylinder and are used for sensing the position of the push rod. Of course, in other embodiments, the third power source 22 may also be an electric or various forms of cylinders or push-type power devices. The magnetic circuit fixing component 23 is slidably arranged on the product fixing support 21 through a linear sliding rail, the third power source 22 can drive the magnetic circuit fixing component 23 to move, specifically, the magnetic circuit fixing component 23 comprises a magnetic circuit fixing base 231, a driving cylinder 232 and a push rod 233, the driving cylinder 232 is arranged on the magnetic circuit fixing base 231 through a fastening piece, the push rod 233 is fixedly arranged on the driving cylinder 232, the driving cylinder 232 can drive the push rod 233 to move, the push rod 233 is provided with a yielding groove 2331, two sides of the push rod 233 are provided with a first notch 2332 and a second notch 2333, and the length of the second notch 2333 is longer than that of the first notch 2331. The tool fixture 24 is slidably arranged on the magnetic circuit fixing part 23, and the magnetic circuit fixing part 23 is used for fixing a magnetic circuit on the tool fixture 24.

On the basis of the above embodiment, referring to fig. 3, the automatic screw feeding mechanism 5 includes a vibration feeding device 51, a limiting element 52 is disposed at a discharge end of the vibration feeding device 51, for limiting screws conveyed by the vibration feeding device 51 to prevent the screws from falling, and a screw feeding manipulator 53 is disposed at one side of the limiting element 52, for grabbing the screws on the limiting element 52 one by one and placing the screws on the screw knob support table 44. The screw feeding manipulator 53 comprises a manipulator support 531, a fourth power source 532 arranged on the manipulator support 531 and used for providing a power source, a fifth power source 533 slidably arranged on the manipulator support 531, the fourth power source 532 capable of driving the fifth power source 533 to move, and a screw grabbing component 534 arranged on the fifth power source 533 and used for grabbing screws.

The invention specifically works as follows:

1) After the tooling jig 24 is in place, the cylinder 232 is driven to push out, the ejector rod 233 fixes the magnetic circuit of the product on the tooling jig 24, and then the third power source 22 is pushed out, so that the tooling jig 24 reaches the position of locking the screw. The second power source 342 of the base adjusting mechanism 3 is retracted, then the first power source 32 is retracted, the movable fork element 343 and the static fork element 344 fix the base of the product on the tool fixture 24, then the visual detection mechanism 6 is used for judging the position between the moving plate 9 and the contact point, the relative position of the moving plate 9 and the contact point 10 is detected, if the position reaches the required position, the screw locking process is directly carried out, otherwise, the position of the base is adjusted by the whole of the front-back moving device 33 and the movable fork part 34 of the base adjusting mechanism 3 by virtue of feedback information provided by the visual detection mechanism 6.

2) When the screw is locked, the screw feeding manipulator 53 carries the screw above the base from the limiting element 52, then the vacuum absorber 432 under the action of the lifting device 42 descends to absorb the screw, then the screw feeding manipulator 53 withdraws, the vacuum absorber 432 continues to descend until the screw reaches the hole site on the base, and finally the knob motor 431 rotates to tighten the screw, so that the base and the magnetic circuit are locked, and the automatic screw locking is completed. In the screw locking process, the knob motor 431 is provided with a torsion detection system, and the torsion is detected at any time, so that the screw is prevented from being excessively screwed to damage a product.

In conclusion, the automatic relay device has the advantages of high automation degree, simple structure, convenient operation and excellent comprehensive performance, can be suitable for the production of industrial control relays of different types, can ensure that the moving plate is centrally positioned between the symmetrically arranged stationary contacts on the base, improves the product quality, and improves the production efficiency to more than 2500 PCS/hour.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the specific embodiments of the present application after reading the present specification, and these modifications and variations do not depart from the scope of the application as claimed in the pending claims.

Claims

1. A novel screw locking mechanism, characterized by comprising:

A visual inspection mechanism (6) is used to take photos of the moving pieces on the relay product; and

A base adjustment mechanism (3) is arranged on one side of the visual detection mechanism (6) and is used to perform a slight forward and backward movement adjustment on the relay base according to the structure detected by the visual detection mechanism (6), so that the moving piece is exactly centered between the two static contacts;

Wherein, the base adjustment mechanism (3) comprises a bracket (31);

A first power source (32), disposed on the support (31), for providing a power source;

A forward and backward moving device (33) is slidably disposed on the bracket (31), and the first power source (32) can drive the forward and backward moving device (33) to move up and down; and

A movable shift fork component (34) is arranged on the front-rear moving device (33) and is used for fine-tuning the relay base; the novel screw locking mechanism also includes:

A product fixing mechanism (2) is arranged on one side of the base adjustment mechanism (3) and is used to clamp the relay and fix the magnetic circuit;

A locking mechanism (4) is arranged in front of the product fixing mechanism (2) and is used to lock the screws to connect the base and the magnetic circuit into one; and

An automatic screw feeding mechanism (5) is arranged in front of the product fixing mechanism (2) and is used to provide automatic screw feeding for the locking mechanism (4);

When the product fixing mechanism (2) conveys the product to the designated position, the visual inspection mechanism (6) takes a photo to inspect the position of the movable plate clamped on the product fixing mechanism (2) to detect whether the movable plate is centered between the two static contacts, and the base adjustment mechanism (3) performs micro-movement adjustment of the relay base forward and backward according to the inspection result of the visual inspection mechanism (6), and then the automatic screw feeding mechanism (5) conveys the screw to the locking mechanism (4), and the locking mechanism (4) screws the screw into the product to complete the product locking;

The movable fork component (34) comprises a movable fork base (341);

A second power source (342) is disposed on the movable fork base (341) and is used to provide a power source;

A movable fork element (343) is slidably disposed on the movable fork base (341), the second power source (342) can drive the movable fork element (343) to move, and the movable fork element (343) is provided with a base positioning groove for automatic positioning when clamping the base; and

A stationary shift fork element (344) is fixedly arranged on the shift fork base (341) and is used to cooperate with the movable shift fork element (343) to clamp the relay base;

The locking mechanism (4) comprises a locking screw support frame (41);

A lifting device (42) is arranged on the screw locking support frame (41) and is used to provide a power source;

A screw locking component (43) is disposed on the lifting device (42), and the lifting device (42) can drive the screw locking component (43) to move up and down; and

The screw knob support platform (44) is fixedly arranged on the screw locking support frame (41) and is used to support the product fixing mechanism (2) when twisting to prevent deformation and affect product quality.

2. A new type of screw locking mechanism according to claim 1 is characterized in that the first power source (32) is a cylinder, and the cylinder is installed on the bracket (31) through a cylinder mounting plate, and sensors are provided corresponding to the initial position and the push rod of the cylinder to sense the position of the push rod.

3. According to a new type of screw locking mechanism described in claim 1, it is characterized in that the visual detection mechanism (6) includes a visual bracket (61), and a mechanical vision lens (62) is fixedly connected to the top of the visual bracket (61); the visual bracket (61) includes a connecting support (611) and a connecting element (612); the connecting supports (611) are symmetrically arranged, and adjacent connecting supports (611) are connected by connecting elements (612).

4. A novel screw locking mechanism according to claim 1, characterized in that the product fixing mechanism (2) comprises a product fixing bracket (21);

A third power source (22), disposed on the product fixing bracket (21), for providing a power source;

A magnetic circuit fixing component (23) is slidably disposed on the product fixing bracket (21), and the third power source (22) can drive the magnetic circuit fixing component (23) to move; and

The tooling fixture (24) is slidably disposed on the magnetic circuit fixing component (23); the magnetic circuit fixing component (23) fixes the magnetic circuit on the tooling fixture (24).

5. A novel screw locking mechanism according to claim 4, characterized in that the magnetic circuit fixing component (23) includes a magnetic circuit fixing base (231), a driving cylinder (232) and a push rod (233); the driving cylinder (232) is arranged on the magnetic circuit fixing base (231) through a fastener; the push rod (233) is fixed to the driving cylinder (232), and the driving cylinder (232) can drive the push rod (233) to move; the push rod (233) is provided with a clearance groove; the push rod (233) is provided with a first incision and a second incision on both sides, and the second incision is longer than the first incision.

6. A new type of screw locking mechanism according to claim 1 is characterized in that the automatic screw feeding mechanism (5) includes a vibrating feeding device (51); a limiting element (52) is provided at the discharge end of the vibrating feeding device (51) for limiting the screws conveyed by the vibrating feeding device (51) to prevent them from falling; a screw feeding robot (53) is provided on one side of the limiting element (52) for grabbing the screws on the limiting element (52) one by one and placing them on the screw knob support table (44).

7. A novel screw locking mechanism according to claim 6, characterized in that the screw feeding robot (53) comprises a robot support (531);

A fourth power source (532), disposed on the manipulator support (531), for providing a power source;

A fifth power source (533) is slidably disposed on the manipulator support (531), and the fourth power source (532) can drive the fifth power source (533) to move;

A screw grabbing component (534) is provided on the fifth power source (533) and is used for grabbing screws.