CN217702184U

CN217702184U - Clock and watch nut automatic feeding locking mechanism

Info

Publication number: CN217702184U
Application number: CN202221784886.XU
Authority: CN
Inventors: 吴洪超; 钟德坤; 吴舟源
Original assignee: Changzhou Angde Industrial Equipment Technology Co ltd
Current assignee: Changzhou Angde Industrial Equipment Technology Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-11-01
Anticipated expiration: 2032-07-11

Abstract

The utility model relates to a clock and watch assembly technical field, in particular to clock and watch nut automatic feeding locking mechanism, including automatic feeding module, product orientation module and locking module, automatic feeding module is used for nut material loading to first settlement position, and product orientation module is used for fixing the core and the dial plate of product, and locking module picks up clamping mechanism including the nut that is used for picking up first settlement position and picks up the nut that presss from both sides the nut, is used for driving the nut to pick up clamping mechanism pivoted rotary driving mechanism and is used for removing the nut to the moving mechanism of core position. The automatic feeding module of the automatic feeding and locking mechanism for the clock nut realizes the automatic feeding of the nut, and the locking module realizes the functions of picking up the hexagon nut in any direction, moving the hexagon nut in place and locking the hexagon nut with a fixed moment; the product positioning module realizes the positioning function of the product, and comprises dial plate positioning and core positioning, so that the nut locking and mounting precision is ensured, the product quality is improved, and the labor is saved.

Description

Clock and watch nut automatic feeding locking mechanism

Technical Field

The utility model relates to a clock and watch assembly technical field, in particular to clock and watch nut automatic feeding locking mechanism.

Background

The wall-mounted electronic quartz clock is an essential article for every family, and with the continuous update of the aesthetic feeling of the appearance, the iterative update of the electronic quartz clock is accelerated, so the demand is steadily increased. However, in the production process of the existing wall-mounted quartz clock, manual assembly is generally adopted, and aiming at the problems, a clock production and assembly production line is designed for customer service customization. The main assembly process comprises the following steps: 1) The dial plate and the movement are manually fed and positioned; 2) Automatically gluing the dial plate; 3) Automatic feeding and layering of the surface (namely the surface paper); 4) The surface is attached to the dial plate; 5) The hexagon nut is automatically fed and locked with the machine core; 6) Loading and separating needles; 7) And installing the hour hand; 8) Installing a second hand and calibrating time; 9) Removing dust from the glass, and mounting the glass; 10 A button outer cover; 11 Automatic screwing.

In the step 5), the hexagonal nut is automatically fed and locked with the machine core, in the conventional manual production, the machine core and the dial plate are locked by the hexagonal nut, and the dial plate, the machine core and the hexagonal nut are injection-molded parts and have limited mechanical strength, so that the locking strength of the nut needs to be well mastered and generally depends on the proficiency and the feeling of workers, and the quality problems of poor consistency, low qualification rate and the like are caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the manual assembly core that prior art exists can not the quality assurance, the utility model provides a guarantee product quality's a clock and watch nut automatic feeding locking mechanism.

The utility model provides a technical scheme that its technical problem adopted is:

an automatic clock nut feeding and locking mechanism comprising:

the automatic feeding module is used for feeding the nut to a first set position;

the product positioning module is used for fixing the movement and the dial plate of the product;

the locking module comprises a nut picking and clamping mechanism for picking up the nut at the first set position and clamping the nut, a rotary driving mechanism for driving the nut picking and clamping mechanism to rotate and a moving mechanism for moving the nut to the position of the movement.

Furthermore, the automatic feeding module include autoloader and feed mechanism, feed mechanism including setting up the location negative pressure tool at the autoloader end, location negative pressure tool is connected with the jacking cylinder, feed mechanism still including being used for detecting whether the nut reaches the detection device of first settlement position.

Furthermore, the product positioning module comprises a tooling plate for installing the dial plate, a first positioning cylinder for jacking the tooling plate, and a second positioning cylinder for jacking the movement to the installation surface of the dial plate.

Further, the frock board pass through the transfer chain and carry to the second and set for the position, product orientation module still including being used for blockking the cylinder that blocks of frock board, transfer chain top be equipped with and be used for restricting the dial plate by the spacing panel beating of jacking position.

Furthermore, the nut picking and clamping mechanism comprises a hollow rotating main shaft, a plurality of telescopic and expandable clamping jaws for clamping the nut are arranged below the hollow rotating main shaft, and a negative pressure channel for adsorbing the nut is arranged in the hollow rotating main shaft.

Further, the rotatory main shaft of cavity be equipped with the holding tank that is used for picking up the nut, the holding tank can hold the nut in arbitrary position, the holding tank communicates with each other with negative pressure channel, the clamping jaw set up around the holding tank, and the clamping jaw slides and sets up on the rotatory main shaft of cavity, the clamping jaw slide along the direction of being close to or keeping away from the nut, the nut pick up clamping mechanism still including being used for cramping and making the clamping jaw inwards shrink clamping mechanism and being used for driving the removal actuating mechanism of clamping mechanism motion, clamping jaw and the rotatory main shaft of cavity between be equipped with and be used for the outside ejecting elasticity of expansion of clamping jaw to reset the structure. The holding tank can hold the nut in arbitrary position, the utility model discloses in, the holding tank can set up to circular shape holding tank, and the internal diameter of circular holding tank is greater than the nut external diameter, just so can realize that the arbitrary direction of nut picks up, of course, the shape of holding tank is not limited to circularly.

Further, the clamping jaw along cavity rotation main shaft circumference equipartition, the clamping jaw number be 6, and the circumference diameter that the clamping jaw periphery surrounds formation increases gradually along the direction of keeping away from clamping mechanism, promptly when clamping mechanism downstream, can inwards cramp the clamping jaw, the clamping jaw shape is unanimous moreover to the clamping jaw is apart from the centre distance of holding tank and equals. Therefore, the stress of the spring of the clamping jaw is consistent, and the clamping jaw cannot lose effectiveness due to different stress of the spring.

Furthermore, the contact surface of the clamping jaw and the nut is an inward convex arc surface of the accommodating groove, and the center of the arc surface is parallel to the center of the hollow rotating main shaft. The contact surface of the clamping jaw and the nut is a cambered surface, so that the contact part of the clamping jaw and the nut is smooth, and the nut cannot be damaged under the condition of ensuring clamping.

Furthermore, the rotary driving mechanism comprises a fixed-torque electric screwdriver used for driving the nut picking and clamping mechanism to lock the fixed torque of the nut on the movement, and the fixed-torque electric screwdriver is in transmission connection with the hollow rotary spindle.

Furthermore, the moving mechanism include the support, the support on be equipped with rodless cylinder, rodless cylinder's slider on be fixed with the mounting panel, the mounting panel on be fixed with pneumatic pen jar, the mounting panel on be equipped with vertical slip pair, vertical slip pair's slider on be fixed with the installation piece, the nut pick up clamping mechanism and decide the electronic screwdriver of moment and install on the installation piece, pneumatic pen jar and mounting panel between be equipped with the spring.

Has the advantages that:

(1) The automatic feeding module of the automatic feeding and locking mechanism for the clock nut realizes the automatic feeding of the nut, and the locking module realizes the functions of picking up, moving in place and locking the nut with a fixed moment; the product positioning module realizes the positioning function of the product, including dial plate positioning and core positioning, so as to ensure the nut locking and mounting precision, improve the product quality and save manpower;

(2) The nut picking and clamping mechanism of the utility model adopts the form of evenly distributed clamping jaws, so that no matter how the relative position of the clamping jaws relative to the hexagon nut, the clamping jaws with arc surfaces can clamp the edge of the hexagon nut, thus realizing the picking of the hexagon nut in any direction and further realizing the automatic material taking of the hexagon nut in any direction;

(3) The nut picking and clamping mechanism is connected with the fixed-moment electric screw driver, so that fixed-moment locking of the nut is realized, and the consistency of products is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the automatic charging and locking mechanism for the clock nut of the present invention;

FIG. 2 is a first schematic perspective view of the feed mechanism;

FIG. 3 is a second perspective view of the feed mechanism;

FIG. 4 is a perspective view of a product positioning module;

FIG. 5 is a cross-sectional view of the nut picking and clamping mechanism;

FIG. 6 is a perspective cross-sectional view of the clamping mechanism and clamping jaw;

FIG. 7 is a perspective view of the clamping mechanism and clamping jaw;

FIG. 8 is a perspective view of the moving mechanism;

figure 9 is a schematic view of the mating relationship of the jaws and the nut.

The automatic feeding device comprises a machine core 1, a machine core 2, a dial plate 3, an automatic feeding module 31, an automatic feeder 32, a positioning negative pressure jig 33, a jacking cylinder 34, a photoelectric sensor 4, a product positioning module 41, a tooling plate 42, a first positioning cylinder 43, a second positioning cylinder 44, a blocking cylinder 45, a positioning pin 5, a locking module 51, a nut picking and clamping mechanism 511, a hollow rotating spindle 512, a clamping jaw 513, an accommodating groove 52, a fixed-moment electric screwdriver 53, a moving mechanism 531, a support 532, a rodless cylinder 533, a mounting plate 534, a pneumatic pen cylinder 535, a mounting block 536, a spring 54, a sliding table cylinder 55, a clamping ring 56, a sliding ring 57, a bearing 58 and a reset spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

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 example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over … …", "over … …", "over … …", "over", etc. may be used herein to describe the spatial positional relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

Referring to fig. 1 to 8, an automatic feeding and locking mechanism for a clock nut comprises an automatic feeding module 3, a product positioning module 4 and a locking module 5, wherein the automatic feeding module 3 is used for feeding the nut to a first set position; the product positioning module 4 is used for fixing the movement 1 and the dial 2 of the product, and the locking module 5 comprises a nut picking and clamping mechanism 51 for picking up a nut at a first set position and clamping the nut, a rotary driving mechanism for driving the nut picking and clamping mechanism 51 to rotate and a moving mechanism 53 for moving the nut to the position of the movement 1.

The automatic feeding module 3 comprises an automatic feeder 31 and a distributing mechanism, the distributing mechanism comprises a positioning negative pressure jig 32 arranged at the tail end of the automatic feeder 31, as shown in fig. 3, the positioning negative pressure jig 32 is provided with a groove used for limiting the position of a nut, the bottom of the groove is communicated with a negative pressure used for adsorbing the nut, the positioning negative pressure jig 32 is connected with a jacking cylinder 33, and the distributing mechanism further comprises a detection device used for detecting whether the nut reaches a first set position. In the present invention, the detecting device may be a photoelectric sensor 34. Automatic feeder can adopt the ripe feeding mechanism in the market the utility model discloses in just no longer describe.

The product positioning module 4 comprises a tooling plate 41 for mounting the dial 2, a first positioning cylinder 42 for jacking the tooling plate 41, and a second positioning cylinder 43 for jacking the movement 1 to the mounting surface of the dial 2. The module is mainly used for positioning, comprises the positioning of a tooling plate, the positioning of a dial plate and the positioning of a machine core, is controlled by a blocking cylinder, a jacking positioning cylinder and a machine core positioning cylinder respectively, consists of structural components such as a related guide shaft, a linear bearing and the like, and is matched with a limiting metal plate on a conveying line to be used together. The utility model discloses in, frock plate 41 is carried to setting for the position through the transfer chain, and product orientation module 4 is equipped with the spacing panel beating that is used for restricting dial plate 2 by the jacking position still including the cylinder 44 that blocks that is used for blockking frock plate 41 above the transfer chain.

The nut picking and clamping mechanism 51 comprises a hollow rotating main shaft 511, a plurality of clamping jaws 512 which can be contracted and expanded and are used for clamping the nut are arranged below the hollow rotating main shaft 511, and a negative pressure channel for adsorbing the nut is arranged in the hollow rotating main shaft 511.

In the prior art, the nut is generally picked up in an oriented manner, and then picked up through a sleeve and the like, in order to realize the picking up of any orientation of the nut, the utility model discloses in, hollow rotating main shaft 511 is provided with an accommodating groove 513 for picking up the nut, accommodating groove 513 can accommodate the nut in any orientation, accommodating groove 513 is communicated with a negative pressure channel, clamping jaw 512 is arranged around accommodating groove 513, and clamping jaw 512 is arranged on hollow rotating main shaft 511 in a sliding manner, clamping jaw 512 slides in a direction close to or away from the nut, nut picking clamping mechanism 51 further comprises a clamping mechanism for tightening and causing clamping jaw 512 to contract inwards and a moving driving mechanism for driving the clamping mechanism to move, the moving driving mechanism comprises a sliding table cylinder 54, the clamping mechanism is a clamping ring 55 for tightening clamping jaw 512 which is sleeved outside hollow rotating main shaft 511, then sliding ring 56 is arranged outside clamping ring 55, bearing 57 is arranged between clamping ring 55 and sliding ring 56, bearing 57 is an angular contact bearing 57, so that when clamping ring 55 clamps jaw 512 is clamped with hollow rotating main shaft 511, sliding ring 56 does not rotate synchronously, and sliding ring 56 is connected with sliding ring 56, thereby driving ring 56 and sliding ring 55 move along the axial direction of hollow rotating main shaft 511, and return spring structure for returning clamping jaw 511 to return the hollow rotating main shaft 511, and return spring is arranged between hollow rotating main shaft 511, and return spring structure for returning hollow rotating main shaft 511. The shape, length, number, etc. of the jaws 512 need not be the same as long as they can grip the nut. Holding tank 513 can hold the nut in arbitrary position, the utility model discloses in, the holding tank can set up to circular shape holding tank 513, and the internal diameter of circular holding tank is greater than the nut external diameter, just so can realize that the arbitrary direction of nut picks up, certainly, the shape of holding tank is not limited to circular, also can be other shapes, as long as can hold the nut in arbitrary position can, like this, no matter the nut is any angle, reset spring 58's power clamp nut can all be overcome to clamping jaw 512, realizes that hexagon nut arbitrary position is automatic to get promptly. Or, the holding tank 513 can be partly stretched into to the clamping jaw 51 before tightening up, but the nut in arbitrary position can be held in the space that the clamping jaw most inboard surrounds, in order to prevent to interfere, the holding tank 513 is not stretched into to the clamping jaw 51 before tightening up.

In order to guarantee the uniformity that clamping jaw 512 stretches out, in the aspect of arranging, the utility model discloses a clamping jaw 512 is along the rotatory main shaft 511 circumference equipartition of cavity, clamping jaw 512 number be 6, and the clamping jaw 512 periphery surrounds the circumference diameter that forms and increases along the direction of keeping away from clamping mechanism gradually, and the clamping jaw 512 shape is unanimous, the clamping jaw 512 is equal apart from the center distance of holding tank 513. In terms of appearance, the shape of the clamping jaw 512 may be a cone, a square, etc., preferably, the contact surface of the clamping jaw 512 and the nut is an arc surface protruding inwards the accommodating groove 513, and the center of the arc surface is parallel to the center of the hollow rotating main shaft 511, as shown in fig. 9, so that the contact surface of the clamping jaw 512 and the nut is smooth, the nut is not scratched, and the nut is protected.

The rotary drive mechanism comprises a fixed-torque electric screwdriver 52 for driving the nut picking and clamping mechanism 51 so as to lock the nut on the movement 1 in a fixed-torque manner, and the fixed-torque electric screwdriver 52 is in transmission connection with the hollow rotary spindle 511. The hollow rotating main shaft and the fixed-torque electric screwdriver are provided with synchronizing wheels, and the two synchronizing wheels are connected through a synchronizing belt.

The moving mechanism 53 comprises a support 531, a rodless cylinder 532 is arranged on the support 531, a mounting plate 533 is fixed on a sliding block of the rodless cylinder 532, a pneumatic pen cylinder 534 is fixed on the mounting plate 533, a vertical sliding pair is arranged on the mounting plate 533, a mounting block 535 is fixed on the sliding block of the vertical sliding pair, a nut picking and clamping mechanism 51 and a fixed-moment electric screwdriver 52 are mounted on the mounting block 535, and a spring 536 is arranged between the pneumatic pen cylinder 534 and the mounting plate 533. The slide cylinder 54 is also fixed to the mounting block 535.

The working principle is as follows:

nut feeding: the automatic feeder 31 sends the nut to the positioning negative pressure jig 32, when the nut reaches a designated position, the photoelectric sensor 34 sends an in-place signal, that is, the feeding is completed, at the moment, the jacking cylinder 33 rises to support the material, and the nut is positioned and separated, so that the function of distributing the material is realized.

Dial 2 and core 1 material loading: the transfer chain drives frock board 41 and transports the product to this station from the process of the last way, frock board 41 is blockked cylinder 44 location back, first positioning cylinder 42 rises, locating pin 45 inserts in the locating hole of frock board 41, and the situation pushes up frock board 41 together with dial plate 2, the cylinder stops when dial plate 2 pushes up spacing panel beating rear cylinder, then second positioning cylinder 43 jack-up that makes progress, push up core 1 to the installation face of dial plate 2, realize core 1 location, then wait for locking mechanism to get off lock nut.

Moving and screwing the nut: when the rodless cylinder 532 drives the mechanism above it to the left, and above the dispensing mechanism, the pneumatic pen cylinder 534 extends downward and the spring 536 is compressed, thereby the spring 536 pushes the fixed-torque electric screwdriver 52 and the nut-picking and clamping mechanism 51 to take material downward as a whole. When the pneumatic pen cylinder 534 moves in place, the bottom surface of the accommodating groove 513 of the hollow rotating main shaft 511 contacts with the upper surface of the nut, the negative pressure of the positioning negative pressure jig 32 is closed, the negative pressure of the negative pressure channel of the hollow rotating main shaft 511 is opened to adsorb the nut, then the sliding table cylinder 54 moves downwards to push the clamping mechanism, so that the clamping jaw 512 is tightened to clamp the hexagonal side surface of the hexagonal nut, and the output pressure of the sliding table cylinder 54 is adjustable, so that the force for clamping the nut is adjustable, and the surface of the hexagonal nut cannot be damaged. Meanwhile, no matter the relative position of the clamping jaw 512 relative to the hexagon nut, the clamping jaw 512 with the arc surface can clamp the edge of the hexagon nut, and the pickup of the hexagon nut in any direction is realized. After the gripping is completed, the pneumatic pen cylinder 534 is raised, and the entire pickup nut picking and clamping mechanism 51 is lifted. When rodless cylinder 532 moves to the right, i.e., the tightening station, pneumatic pen cylinder 534 extends downward and spring 57 is compressed pushing integral nut picking fixture 51 downward, including the nuts already in nut picking fixture 51 together downward, and fixed torque electric screwdriver 52 begins to rotate while pneumatic pen cylinder 534 is downward. Under the action of the spring force of the spring 57, the nut rotates downwards to be locked with the machine core, the fixed-torque electric screwdriver 52 stops after the torque is reached, then the sliding table air cylinder 54 is loosened, the clamping jaw 512 is unfolded under the action of the return spring 58, and meanwhile, the pneumatic pen cylinder 534 is lifted to drive the nut picking and clamping mechanism 51 to be lifted, so that the nut locking process is realized.

Above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be included in the protection scope of the present invention.

Claims

1. An automatic feeding and locking mechanism for a clock nut is characterized by comprising:

the automatic feeding module (3), the automatic feeding module (3) is used for feeding the nut to a first set position;

the product positioning module (4), the said product positioning module (4) is used for fixing the inner works (1) and dial plate (2) of the products;

the locking module (5) comprises a nut picking and clamping mechanism (51) for picking up the nut at the first set position and clamping the nut, a rotary driving mechanism for driving the nut picking and clamping mechanism (51) to rotate and a moving mechanism (53) for moving the nut to the position of the movement (1).

2. An automatic timepiece nut loading locking mechanism according to claim 1, wherein: automatic feeding module (3) including autoloader (31) and feed mechanism, feed mechanism including setting up location negative pressure tool (32) at autoloader (31) end, location negative pressure tool (32) are connected with jacking cylinder (33), feed mechanism still including being used for detecting whether the nut reaches the detection device of first settlement position.

3. An automatic timepiece nut loading locking mechanism according to claim 1, wherein: the product positioning module (4) comprises a tooling plate block (41) for installing the dial plate (2), a first positioning cylinder (42) for jacking the tooling plate block (41), and a second positioning cylinder (43) for jacking the movement (1) to the installation surface of the dial plate (2).

4. An automatic timepiece nut loading locking mechanism according to claim 3, wherein: frock plate (41) carry to setting for the position through the transfer chain, product orientation module (4) still including being used for blockking stopping cylinder (44) of frock plate (41), transfer chain top be equipped with the spacing panel beating that is used for restricting dial plate (2) by the jacking position.

5. An automatic timepiece nut feeding and locking mechanism according to claim 1, wherein: the nut picking and clamping mechanism (51) comprises a hollow rotating main shaft (511), a plurality of telescopic and expandable clamping jaws (512) for clamping the nut are arranged below the hollow rotating main shaft (511), and a negative pressure channel for adsorbing the nut is arranged in the hollow rotating main shaft (511).

6. An automatic timepiece nut loading locking mechanism according to claim 5, wherein: the nut picking and clamping mechanism is characterized in that the hollow rotating main shaft (511) is provided with an accommodating groove (513) for picking up a nut, the accommodating groove (513) can accommodate the nut in any direction, the accommodating groove (513) is communicated with a negative pressure channel, the clamping jaw (512) is arranged around the accommodating groove (513), the clamping jaw (512) is arranged on the hollow rotating main shaft (511) in a sliding mode, the clamping jaw (512) slides in a direction close to or far away from the nut, the nut picking and clamping mechanism (51) further comprises a clamping mechanism for tightening and enabling the clamping jaw (512) to contract inwards and a moving driving mechanism for driving the clamping mechanism to move, and an elastic resetting structure for ejecting and expanding the clamping jaw (512) outwards is arranged between the clamping jaw (512) and the hollow rotating main shaft (511).

7. An automatic timepiece nut loading locking mechanism according to claim 6, wherein: clamping jaw (512) along cavity rotation main shaft (511) circumference equipartition, clamping jaw (512) number be 6, and clamping jaw (512) periphery surround the circumference diameter that forms and increase gradually along the direction of keeping away from clamping mechanism, clamping jaw (512) shape is unanimous to clamping jaw (512) apart from the centre distance of holding tank (513) and equals.

8. An automatic timepiece nut loading locking mechanism according to claim 7, wherein: the contact surface of the clamping jaw (512) and the nut is an inward convex arc surface towards the accommodating groove (513), and the center of the arc surface is parallel to the center of the hollow rotating main shaft (511).

9. An automatic timepiece nut loading locking mechanism according to claim 5, wherein: the rotary driving mechanism comprises a fixed-torque electric screwdriver (52) used for driving the nut picking and clamping mechanism (51) so as to lock the fixed torque of the nut on the movement (1), and the fixed-torque electric screwdriver (52) is in transmission connection with the hollow rotary main shaft (511).

10. An automatic timepiece nut loading locking mechanism according to claim 9, wherein: moving mechanism (53) including support (531), support (531) on be equipped with rodless cylinder (532), rodless cylinder's (532) slider on be fixed with mounting panel (533), mounting panel (533) on be fixed with pneumatic pen jar (534), mounting panel (533) on be equipped with vertical sliding pair, vertical sliding pair's slider on be fixed with installation piece (535), the nut pick up clamping mechanism (51) and decide the electronic screwdriver of moment (52) and install on installation piece (535), pneumatic pen jar (534) and mounting panel (533) between be equipped with spring (536).