A new type of screw locking mechanism

Abstract

The present invention discloses a novel screw locking mechanism, comprising a bottom plate, a product fixing mechanism is arranged on the bottom plate; a base adjustment mechanism is arranged on the right side of the product fixing mechanism; a locking mechanism is arranged above the product fixing mechanism; a screw automatic feeding mechanism is arranged on the bottom plate; and a visual inspection mechanism is arranged on the left side of the product fixing mechanism. The screw locking mechanism disclosed by the present invention has a high degree of automation, a simple structure, convenient operation and excellent comprehensive performance, and can effectively ensure that the moving piece is centered between two static contacts, thereby improving product quality.

Description

Technical Field

[0001] The invention relates to the technical field of relay production equipment, and in particular to a novel screw locking mechanism. Background Art

[0002] Screws are an indispensable industrial necessity in daily life. They are widely used in products such as computers, mobile phones, clocks and watches, and relays. With the improvement of people's living standards, people's requirements for electronic products are also increasing. Therefore, the demand for "automatic switch" relays, which use smaller currents to control larger currents, is also gradually increasing. Figure 1 During the assembly process of the relay base 8 and the magnetic circuit 9, it is necessary to perform a screw locking process on the relay base 8 and the magnetic circuit 9. Although the operation of the current screw locking machine is simple, the positioning accuracy of the screw locking is poor, and it is impossible to ensure that the relay movable plate 10 is centered between the two static contacts 11. It is difficult to ensure the quality of the product screw locking and the efficiency is low. When the screw locking is completed, the hard impact between the screw and the product is large, which can easily damage the product. Summary of the invention

[0003] In order to solve the above-mentioned technical problems, the present invention provides a new type of screw locking mechanism. The screw locking mechanism has a high degree of automation, a simple structure, convenient operation and excellent comprehensive performance, and can ensure that the moving piece is centered between the two static contacts, thereby improving product quality; the screw locking mechanism is provided with a torque detection, and when working, the torque size is always detected to prevent the screw from being over-tightened and causing damage to the product; the screw locking mechanism adopts flexible contact to prevent the product from being scratched.

[0004] The present invention provides the following technical solution: a novel screw locking mechanism, comprising a bottom plate, the screw locking mechanism also comprising:

[0005] A product fixing mechanism, disposed on the bottom plate, for placing and clamping the relay product;

[0006] The base adjustment mechanism is arranged on the right side of the product fixing mechanism, and is used to slightly move the relay product base on the product fixing mechanism forward and backward so that the moving piece is exactly centered between the two static contacts;

[0007] A locking mechanism, arranged above the product fixing mechanism, for connecting the base and the magnetic circuit into one by turning a knob screw;

[0008] An automatic screw feeding mechanism, disposed on the bottom plate, for providing automatic screw feeding for the locking mechanism; and

[0009] A visual inspection mechanism, arranged on the left side of the product fixing mechanism, for taking photos and inspecting the upper moving piece of the product fixing mechanism;

[0010] Among them, when the product fixing mechanism conveys the relay to the designated position, the visual inspection mechanism takes a photo to inspect the position of the movable piece clamped on the product fixing mechanism to determine whether the movable piece is centered between the two static contacts, and the base adjustment mechanism makes a micro-adjustment of the front and rear position of the relay base according to the structure detected by the visual inspection mechanism, and then the automatic screw feeding mechanism conveys the screw to the locking mechanism, and the locking mechanism screws the screw into the product to complete the product locking. Preferably, the base adjustment mechanism includes a bracket;

[0011] A first power source, disposed on the bracket, for providing a power source;

[0012] A forward and backward moving device is slidably disposed on the bracket, and the first power source can drive the forward and backward moving device to move up and down; and

[0013] The movable shift fork component is arranged on the front-rear moving device and is used for fine-tuning the position of the relay base.

[0014] Particularly, the first power source is a cylinder, and the cylinder is mounted on a bracket via a cylinder mounting plate. Sensors are provided corresponding to the initial position and the push rod of the cylinder for sensing the position of the push rod.

[0015] In particular, the movable fork component includes a movable fork base;

[0016] A second dynamic power source is provided on the dynamic fork base and is used to provide a power source;

[0017] A movable fork element is slidably disposed on the movable fork base, the second dynamic power source can drive the movable fork element to move, and the movable fork element is provided with a base positioning groove for automatic positioning when clamping the base; and

[0018] The static fork element is fixedly arranged on the fork base and is used to cooperate with the movable fork element to press the relay base. Preferably, the visual detection mechanism includes a visual bracket, and a mechanical visual lens is fixedly connected to the top of the visual bracket; the visual bracket includes a connecting support and a connecting element; the connecting supports are symmetrically arranged, and adjacent connecting supports are connected by connecting elements.

[0019] Preferably, the locking mechanism comprises a locking screw support frame;

[0020] A lifting device, arranged on the screw locking support frame, for providing a power source;

[0021] A screw locking component is arranged on the lifting device, and the lifting device can drive the screw locking component to move up and down; and a screw knob support platform is fixedly arranged on the screw locking support frame, and is used to support the product fixing mechanism when twisting to prevent deformation from affecting product quality.

[0022] Preferably, the product fixing mechanism comprises a product fixing bracket;

[0023] A third power source is provided on the product fixing bracket and is used to provide a power source;

[0024] A magnetic circuit fixing component is slidably disposed on the product fixing bracket, and the third power source can drive the magnetic circuit fixing component to move; and

[0025] The tooling fixture can be slidably arranged on the magnetic circuit fixing component; the magnetic circuit fixing component fixes the magnetic circuit on the tooling fixture.

[0026] In particular, the magnetic circuit fixing component includes a magnetic circuit fixing base, a driving cylinder and a push rod; the driving cylinder is arranged on the magnetic circuit fixing base through a fastener; the push rod is fixed to the driving cylinder, and the driving cylinder can drive the push rod to move; the push rod is provided with a yield groove; a first incision and a second incision are provided on both sides of the push rod, and the length of the second incision is longer than the first incision.

[0027] Preferably, the automatic screw feeding mechanism includes a vibrating feeding device; a limiting element is provided at the discharge end of the vibrating feeding device, which is used to limit the screws delivered by the vibrating feeding device to prevent them from falling; a screw feeding robot is provided on one side of the limiting element, which is used to grab the screws on the limiting element one by one and place them on the screw knob support table.

[0028] In particular, the screw feeding robot comprises a robot support;

[0029] A fourth power source, disposed on the manipulator support, for providing a power source;

[0030] The fifth power source can be slidably arranged on the manipulator bracket, and the fourth power source can drive the fifth power source to move; the screw grasping component is arranged on the fifth power source and is used to grasp the screws one by one.

[0031] Compared with the prior art, the present invention has the following advantages:

[0032] 1) The present invention discloses a novel screw locking mechanism, which has a high degree of automation, a simple structure, convenient operation and excellent comprehensive performance. It can effectively ensure that the moving piece of the relay is centered between the two static contacts, ensure that the deformation of the moving piece of the relay product is consistent when the power is on or off, and improve product quality.

[0033] 2) Structurally, the present invention connects the first connecting plate and the second connecting plate through a spring, so that flexible contact is adopted during the downward movement of the knob motor, so that no hard impact occurs at the moment of knob contact. At the same time, excessive tightening and damage to the product can be prevented during the knob turning process, thereby improving product quality and increasing the service life of the equipment.

[0034] 3) Structurally, by setting up a visual inspection mechanism to capture and inspect the current position of the relay rotor, the specific position of the relay rotor can be captured and located. This is not limited by the shape and size of the product and is sufficient to meet the current diversified needs of relays and other products.

[0035] 4) Structurally, a second dynamic power source is provided to cooperate with the first power source to perform telescopic action, thereby driving the dynamic fork element and the static fork element to move the relay base slightly forward and backward and then fix and lock it, so as to ensure that the product quality is balanced and consistent. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a front view of the relay product of the present invention;

[0037] Figure 2 This is a schematic diagram of the three-dimensional structure of a novel screw locking mechanism according to an embodiment of the present invention;

[0038] Figure 3 This is an exploded view of a novel screw locking mechanism according to an embodiment of the present invention;

[0039] Figure 4 This is a schematic diagram of the structure of the base adjustment mechanism according to an embodiment of the present invention;

[0040] Figure 5 This is a schematic diagram of the structure of a visual inspection mechanism according to an embodiment of the present invention;

[0041] Figure 6 This is a schematic diagram of the locking mechanism structure of an embodiment of the present invention;

[0042] Figure 7 It is a schematic diagram of the structure of the product fixing mechanism according to an embodiment of the present invention. DETAILED DESCRIPTION

[0043] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0044] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0045] 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 are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in a sequence other than those illustrated or described herein, for example. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0046] Now, exemplary embodiments according to the present application will be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in a variety of different forms and should not be construed as being limited to the embodiments described herein. It should be understood that these embodiments are provided to make the disclosure of the present application thorough and complete, and to fully convey the concepts of these exemplary embodiments to those of ordinary skill in the art. In the accompanying drawings, for the sake of clarity, the thickness of the layers and regions may be enlarged, and the same reference numerals are used to represent the same devices, and thus their descriptions will be omitted.

[0047] Please see attached Figures 2 to 3As shown: a new type of screw locking mechanism, including a base plate (not marked in the figure), a product fixing mechanism 2, a base adjustment mechanism 3, a locking mechanism 4, an automatic screw feeding mechanism 5 and a visual inspection mechanism 6, wherein the base plate is made of metal sheet and mainly plays a supporting role, and is used to support components such as the base adjustment mechanism 3, the locking mechanism 4, the automatic screw feeding mechanism 5 and the visual inspection mechanism 6. Specifically: a product fixing mechanism 2 is arranged on the bottom plate, and is used to clamp the relay product, and after fixing the magnetic circuit of the relay, push it to the detection site for detection; a base adjustment mechanism 3 is arranged on the right side of the product fixing mechanism 2, and is used to fine-tune the front and rear position of the base of the relay product on the product fixing mechanism 2, so that the movable piece is exactly centered between the two static contacts (arranged on the base) to ensure that the displacement distance of the movable piece is consistent during operation; a locking mechanism 4 is arranged on the product fixing mechanism 2, and is used to lock and connect the relative position between the base and the magnetic circuit after correcting it; an automatic screw feeding mechanism 5 is arranged on the bottom plate, and is used to provide automatic screw feeding for the locking mechanism 4; and a visual inspection mechanism 6 is arranged on the left side of the product fixing mechanism 2, and is used to take pictures of the movable piece on the product fixing mechanism 2, and detect whether the distance between the movable piece and the static contacts on the left and right sides is consistent through imaging.

[0048] Among them, when the product fixing mechanism 2 clamps the relay product and transports it to the designated position (photographing detection position), the visual inspection mechanism 6 starts the inspection work, and photographs the position of the moving piece of the relay product clamped on the product fixing mechanism 2 to determine whether the distance between the moving piece and the static contacts on the left and right sides is consistent. The base adjustment mechanism 3 makes a slight adjustment to the relative position of the relay base according to the structure detected by the visual inspection mechanism 6, so that the moving piece is exactly centered. Then the automatic screw feeding mechanism 5 transports the screws one by one to the locking mechanism 4, and the locking mechanism 4 screws the screws into the product to complete the product locking.

[0049] The present invention has a high degree of automation, a simple structure, convenient operation and superior comprehensive performance, and can ensure that the moving piece is centrally located between the static contacts symmetrically arranged on the base, thereby improving product quality. It has a broad market prospect and is suitable for promotion and use. The product fixing mechanism 2, the base adjustment mechanism 3, the locking mechanism 4, the screw automatic feeding mechanism 5 and the visual inspection mechanism 6 are introduced in detail below.

[0050] Based on the above examples, please refer to Figure 4As shown, the base adjustment mechanism 3 includes a bracket 31, a first power source 32, a front-rear moving device 33 and a movable fork component 34. The bracket 31 mainly plays a supporting role, and is used to support the first power source 32, the front-rear moving device 33 and the movable fork component 34. The bracket 31 is provided with a first elongated hole 311, and then a second elongated hole (not marked in the figure) is opened on the bottom plate, and then the fasteners are sequentially penetrated into the first elongated hole 311 and the second elongated hole (not marked in the figure) to set the base adjustment mechanism 3 on the bottom plate. The number of the first elongated hole 311 and the second elongated hole (not marked in the figure) is the same, and can be multiple. When replacing similar products, it can be used almost without changing the overall structure, especially when the relay products are updated and replaced relatively quickly, the effect is more significant. The first power source 32 is arranged on the bracket 31 and is used to provide a power source. Specifically, the first power source 32 is a cylinder, which is installed on the bracket 31 through a cylinder mounting plate 321. Sensors (not shown) are provided corresponding to the initial position and the push rod of the cylinder to sense the position of the push rod. Of course, in other embodiments, the first driving source 32 can also be an electric or various forms of cylinder or push-type power device. A buffer 322 is provided on the cylinder mounting plate 321, which is used to decelerate and buffer the front and rear moving device 33 when lifting, prevent rapid movement from causing mutual collision, and improve service life. The front and rear moving device 33 can be slidably arranged on the bracket 31, and the first power source 32 can drive the front and rear moving device 33 to lift and move. The front and rear moving device 33 includes a servo motor 331 and a screw transmission mechanism 332. The output end of the servo motor 331 is connected to the screw transmission mechanism 332 in a transmission manner, and the servo motor 331 is provided with a sensor 333 to sense the moving position of the sleeve on the screw transmission mechanism 332. The movable fork component 34 is arranged on the front-rear moving device 33 and is used for making a slight front-rear position adjustment of the relay base.

[0051] Based on the above examples, please refer to Figure 4The movable fork component 34 includes a movable fork base 341, a second dynamic power source 342, a movable fork element 343 and a stationary fork element 344. The fork base 341 is used to support the second dynamic power source 342, the movable fork element 343 and the stationary fork element 344. Specifically, the second dynamic power source 342 is arranged on the movable fork base 341 to provide a power source. The second power source 342 is a cylinder, and the cylinder is mounted on the fork base 341 through a second cylinder mounting plate 3421. Sensors (not shown in the figure) are provided corresponding to the initial position and the push rod of the cylinder to sense the position of the push rod. Of course, in other embodiments, the second power source 342 can also be an electric or various forms of cylinder or push-type power devices; the movable fork element 343 can be slidably set on the movable fork base 341 through a linear slide rail, and the second dynamic power source 342 can drive the movable fork element 343 to move back and forth along the slide rail. The movable fork element 343 is provided with a base positioning groove 3431, which is used to cooperate with the convex strip on the base for automatic positioning when clamping the base; the static fork element 344 is fixed to the fork base 341 by fasteners, and is used to cooperate with the movable fork element 343 to clamp the relay base.

[0052] Based on the above examples, please refer to Figure 5 , the visual inspection mechanism 6 includes a visual bracket 61, and a mechanical visual lens 62 for shooting is fixedly connected to the top of the visual bracket 61, wherein the mechanical visual lens 62 can be a digital camera or a CCD industrial camera, which is not limited here. The visual bracket 61 includes a connecting support 611 and a connecting element 612; the connecting support 611 is symmetrically arranged, and the adjacent connecting supports 611 are fixedly connected by the connecting element 612, wherein a third long strip hole 6111 is opened on the connecting support 611, and then a fourth long strip hole (not marked in the figure) is opened on the bottom plate (not marked in the figure), and then the fastener is sequentially penetrated in the third long strip hole 6111 and the fourth long strip hole (not marked in the figure) to set the visual inspection mechanism 6 on the bottom plate (not marked in the figure). The number of the third long strip hole 311 and the fourth long strip hole (not marked in the figure) is the same, and can be multiple. When replacing the same workpiece, it can be used almost without changing the overall structure, especially when the product is updated and replaced quickly, the effect is more significant. In addition, in order to improve the clarity of the shooting of the mechanical vision lens 62, the present embodiment can also coaxially set an LED ring light source (not marked in the figure) directly opposite the mechanical vision lens 62 to provide a more suitable shooting environment for shooting and improve the imaging clarity.

[0053] Based on the above examples, please refer to Figure 6The locking mechanism 4 includes a screw locking support frame 41, wherein the screw locking support frame 41 is used to support a lifting device 42, a screw locking component 43 and a screw knob support platform 44, and the screw locking support frame 41 is made of metal processed parts. The lifting device 42 is arranged on the screw locking support frame 41 to provide a power source. In this embodiment, the lifting device 42 adopts a linear module, which is a prior art and is well known to those skilled in the art. It will not be described in detail here. 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, and the lifting device 42 can drive the screw locking component 43 to move up and down in the vertical direction, wherein the screw locking component 43 includes a knob motor 431; the output end of the knob motor 431 is connected to a cross screwdriver or a flat screwdriver, etc.; the output end of the knob motor 431 is coaxially provided with a vacuum absorber 432, and the cross screwdriver or the flat screwdriver is inserted into the inner side of the vacuum absorber 432 cavity; the knob motor 431 and the vacuum absorber 432 are also connected through a first connecting plate 433, and the first connecting plate 433 is movably arranged on the second connecting plate 434, and a spring is arranged between the two; such an arrangement does not cause hard collision during the downward movement of the knob motor 431, and can prevent damage to the product caused by excessive tightening during the knob turning process, thereby improving the service life of the equipment. 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 the screw is twisted to prevent deformation and affect the product quality.

[0054] Based on the above examples, please refer to Figure 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 opens a fifth elongated hole 211, and then opens a sixth elongated hole (not marked in the figure) on the bottom plate (not marked in the figure), and then fasteners are sequentially penetrated in the fifth elongated hole 211 and the sixth elongated hole (not marked in the figure) to set the product fixing mechanism 2 on the bottom plate (not marked in the figure). The number of the fifth elongated hole 2111 and the sixth elongated hole (not marked in the figure) is the same, and there can be multiple. When replacing the same workpiece, it can be used almost without changing the overall structure, especially when the product is updated and replaced quickly, the effect is more significant; the fixing bracket 21 is provided with a fourth buffer 212, which is used to decelerate and buffer the moving magnetic circuit fixing component 23 to prevent collision. Specifically, the third power source 22 is arranged on the product fixing bracket 21 to provide a power source. The third power source 22 is a cylinder, which is mounted on the product fixing bracket 21 through a third cylinder mounting plate 221. Sensors (not shown) are provided corresponding to the initial position and the push rod of the cylinder to sense the position of the push rod. Of course, in other embodiments, the third power source 22 can also be electric or various forms of cylinders or push-type power devices. The magnetic circuit fixing component 23 is slidably arranged on the product fixing bracket 21 through a linear slide rail, and the third power source 22 can drive the magnetic circuit fixing component 23 to move; specifically, 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 fixedly arranged on 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 2331; the push rod 233 is provided with a first cutout 2332 and a second cutout 2333 on both sides, and the second cutout 2333 is longer than the first cutout 2331. The tooling fixture 24 is slidably arranged on the magnetic circuit fixing component 23; the magnetic circuit fixing component 23 fixes the magnetic circuit on the tooling fixture 24.

[0055] Based on the above examples, please refer to Figure 3The 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, which is used to limit the screws conveyed by the vibrating feeding device 51 to prevent them from falling; a screw feeding manipulator 53 is provided on one side of the limiting element 52, which is used to grab the screws on the limiting element 52 one by one and place them on the screw knob support table 44. The screw feeding manipulator 53 includes a manipulator bracket 531; a fourth power source 532 is provided on the manipulator bracket 531 to provide a power source; a fifth power source 533 is slidably provided on the manipulator bracket 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 to grab screws.

[0056] The present invention specifically works as follows:

[0057] 1) After the jig 24 is in place, the cylinder 232 is driven out, and the push rod 233 fixes the magnetic circuit of the product on the jig 24, and then the third power source 22 is pushed out, and the jig 24 reaches the position of locking the screws. The second dynamic power source 342 of the base adjustment mechanism 3 is retracted, and then the first power source 32 is retracted, and the dynamic fork element 343 and the static fork element 344 fix the base of the product on the jig 24; then, the visual inspection mechanism 6 is used to take a photo to determine the position between the moving piece 9 and the contact, and detect the relative position of the moving piece 9 and the contact 10. If it reaches the required position, the screw locking process is directly carried out; otherwise, the forward and backward moving device 33 and the dynamic fork component 34 of the base adjustment mechanism 3 are used to adjust the position of the base as a whole based on the feedback information provided by the visual inspection mechanism 6.

[0058] 2) When locking the screw, the screw feeding robot 53 moves the screw from the limiting element 52 to the top of the base, and then the vacuum absorber 432 under the action of the lifting device 42 descends to absorb the screw, and then the screw feeding robot 53 withdraws, and the vacuum absorber 432 continues to descend until the screw reaches the hole on the base, and finally the knob motor 431 rotates to tighten the screw, thereby locking the base and the magnetic circuit and completing the automatic screw locking. During the screw locking process, the knob motor 431 has a torque detection system that constantly detects the torque to prevent the screw from being over-tightened and causing damage to the product.

[0059] In summary, the present invention has a high degree of automation, a simple structure, convenient operation and superior comprehensive performance, can adapt to the production of industrial control relays of different models, can ensure that the moving piece is centrally located between the symmetrically arranged static contacts on the base, improves product quality, and increases production efficiency to more than 2500 PCS / hour.

[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, ordinary technicians in the relevant field should understand that after reading the specification of this application, the technicians can still modify or replace the specific implementation mode of the present invention with equivalents, but these modifications or changes do not deviate from the scope of protection of the pending claims of the present application.

Claims

1. A new type of screw locking mechanism, characterized in that: include: 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 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 novel screw locking mechanism according to claim 1, characterized in that: The first power source (32) is a cylinder, which is mounted on a bracket (31) via a cylinder mounting plate. Sensors are provided corresponding to the initial position and the push rod of the cylinder to sense the position of the push rod.

3. A novel screw locking mechanism according to claim 1, characterized in that: The visual detection mechanism (6) comprises a visual support (61), and a mechanical visual lens (62) is fixedly connected to the top of the visual support (61); the visual support (61) comprises a connecting support (611) and a connecting element (612); the connecting supports (611) are symmetrically arranged, and adjacent connecting supports (611) are connected via the connecting element (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) 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 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 notch and a second notch on both sides, and the second notch is longer than the first notch.

6. A novel screw locking mechanism according to claim 1, characterized in that: The automatic screw feeding mechanism (5) comprises 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 delivered by the vibrating feeding device (51) to prevent them from falling; a screw feeding manipulator (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 a screw knob support platform (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), arranged 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.

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