Automatic assembly device for mechanical watches

Abstract

The present invention provides an automatic assembly device for mechanical watches, including a bracket, a transmission component, an assembly table, a feeding bracket, an alignment component, a lifting component, an assembly bracket and a rotating component. The bracket is a frame structure, and the transmission component and the assembly table are respectively installed on the upper end of the bracket. The transmission component and the assembly table are arranged parallel to each other. The bracket is provided with an alignment component and a lifting component inside. A first through hole is provided in the middle of the assembly table. The outer periphery of the lifting component is located in the first through hole, and the outer periphery of the lifting component is sleeved with the rotating component. The rotating component is located above the assembly table. The upper end of the assembly table is clamped with the feeding bracket, and the feeding bracket is located below the rotating component. The transmission component is clamped with the assembly bracket inside. The automatic assembly device for mechanical watches described in the present invention effectively solves the mistakes caused by manual operation, shortens the assembly time, improves production efficiency, promotes the application of intelligent machinery in precision machinery, and has wide applicability and high precision.

Description

Technical Field

[0001] The invention belongs to the field of automatic assembly, and in particular relates to an automatic assembly device for a mechanical watch. Background Art

[0002] Watches are tools used to measure time in our lives. The first watches used to measure time were mechanical watches. With the continuous development of society, mechanical watches have gradually become a symbol of status. Although mechanical automation has developed to a certain level, there is still a blank in the automatic assembly of mechanical watches, and there is no complete and standardized automatic assembly equipment.

[0003] In a mechanical watch, the internal mainspring and hairspring play a vital role in the watch. The former provides enough torque for the watch to have sufficient energy output, and the latter ensures the stable amplitude of the watch, making its travel stable. Both are extremely sensitive to magnetic fields during assembly and daily use. Once magnetized, it will affect the travel accuracy and cause the watch to run fast or slow.

[0004] During the assembly process of mechanical watches, the parts of mechanical watches are extremely small, so general clamping mechanisms cannot complete the clamping. Through field investigation and personal experience, in watch factories, the tweezers used for manual assembly are prone to the loss of parts during the assembly process, and it is extremely difficult to find them after loss. There is no such system or similar system for the automatic assembly of the transmission gear train of mechanical watches at home and abroad. This system can completely complete the assembly of the transmission gear train in mechanical watches, thereby saving manpower and improving overall production efficiency. Summary of the invention

[0005] In view of this, the present invention aims to provide an automatic assembly device for a mechanical watch to solve the problem of low efficiency and high cost of manual assembly of tiny precision parts of a mechanical watch.

[0006] To achieve the above object, the technical solution of the present invention is achieved as follows:

[0007] An automatic assembly device for a mechanical watch comprises a bracket, a transmission component, an assembly table, a feeding support, an alignment component, a lifting component, an assembly support and a rotating component. The bracket is a frame structure. The transmission component and the assembly table are respectively installed on the upper end of the bracket. The transmission component and the assembly table are arranged parallel to each other. The bracket is provided with an alignment component and a lifting component. The alignment component is located below the transmission component. A first through hole is provided in the middle of the assembly table. The outer periphery of the lifting component is located in the first through hole. The outer periphery of the lifting component is sleeved with the rotating component. The rotating component is located above the assembly table. The upper end of the assembly table is clamped with the feeding support, and the feeding support is located below the rotating component. The assembly support is clamped inside the transmission component. The transmission component, the assembly table, the alignment component, the lifting component and the rotating component are all connected to a controller by signals.

[0008] Furthermore, the conveying component includes a first track, a second track, a conveyor belt, a first motor, a support plate and an alignment sensor. The first track and the second track are parallel and symmetrically arranged. The cross-section of the first track and the cross-section of the second track are both U-shaped structures. The outer periphery of the conveyor belt is respectively clamped into the first track and the second track, and the lower end of the assembly bracket is respectively clamped into the inner ring of the conveyor belt. The drive shaft of the first motor is sleeved on the inner ring of the conveyor belt. The drive shaft of the first motor forms a synchronous structure with the assembly bracket through the conveyor belt. The alignment sensor is installed on the upper end of the second track through the support plate, and the first motor and the alignment sensor signals are connected to the controller.

[0009] Furthermore, the assembly table includes a table top, a third track, a fourth track, a first micro-touch switch and a second micro-touch switch. The first through hole is provided in the middle of the table top, and the second through hole and the third through hole are provided on the table top. The first micro-touch switch is installed in the second through hole, and the second micro-touch switch is installed in the third through hole. The third track and the fourth track are parallel to each other and stacked on the upper end of the table top. The cross-section of the third track and the cross-section of the fourth track are both U-shaped structures. The cross-section of the loading bracket is an inverted T-shaped structure. The lower ends of the loading bracket are respectively clamped into the third track and the fourth track. A material trough is provided at the upper end of the loading bracket. The shape of the material trough matches the shape of the gear material. The signals of the first micro-touch switch and the second micro-touch switch are connected to a controller.

[0010] Furthermore, the assembly bracket includes a first clamping plate and a material table. The two sides of the first clamping plate are respectively clamped in the conveyor belt. The first clamping plate is provided with a plurality of positioning holes. The material table is installed on the upper end of the first clamping plate. The upper end of the material table is provided with a movement groove. The shape of the movement groove corresponds to the outer shape of the assembly movement.

[0011] Furthermore, the alignment assembly includes a second motor, a second card plate, a third card plate, a positioning column and a first adjusting bolt. The periphery of the second motor is fixedly connected to the interior of the bracket, and the second card plate is installed on the movable rod of the second motor. The cross-section of the second card plate is a U-shaped structure. The second card plate is respectively provided with a first U-shaped slot on both sides. The third card plate is respectively connected to the two first U-shaped slots on both sides. A plurality of positioning columns are arranged on the upper end of the third card plate. The cross-section of the positioning columns is a trapezoidal structure. The positioning columns correspond one by one to the positioning holes. A plurality of first bolt holes are also arranged on both side walls of the second card plate. The first adjusting bolt is sleeved in each of the first bolt holes. One end of the first adjusting bolt touches one side of the third card plate. The signal of the second motor is connected to the controller.

[0012] Furthermore, the rotating component includes a rotary drive, a fourth clamping plate, an alignment needle, a slider, an air pipe, a clamp, a second adjusting bolt, a compression spring and a third adjusting bolt. The lifting component is a third motor. The movable rod of the third motor is sleeved with the rotary drive. The fourth clamping plate is installed on the periphery of the rotary drive. The lower end of the fourth clamping plate is a U-shaped structure. Two guide rods arranged parallel to each other are installed in the U-shaped structure. The peripheries of the two guide rods are sleeved into the slider, and a compression spring is installed on the periphery of each guide rod. The compression spring is located between the first side of the slider and the first side wall of the fourth clamping plate. The second side of the slider contacts one end of the second adjusting bolt. The fourth clamp is also provided with a fourth through hole, the outer periphery of the alignment needle is sleeved into the fourth through hole, and the outer periphery of the alignment needle is contact-connected to one end of the third adjusting bolt, and the outer periphery of the third adjusting bolt is sleeved to one side of the fourth clamp, and the signals of the rotary drive and the external air pump are both connected to the controller.

[0013] Compared with the prior art, the automatic assembly device for mechanical watches of the present invention has the following advantages:

[0014] (1) The automatic assembly device for mechanical watches described in the present invention effectively solves the errors caused by manual operation, shortens the assembly time, improves production efficiency, and promotes the application of intelligent machinery in precision machinery. It has wide applicability and high precision.

[0015] (2) A T-shaped positioning column is arranged in the alignment component of the automatic assembly device of the mechanical watch described in the present invention. The movable rod of the second motor drives a plurality of positioning columns to move upward through the second clamping plate and the third clamping plate in turn. Each positioning column is slowly inserted into the positioning hole. The insertion process forms precise positioning, which meets the precision requirements of most accessories. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a structural schematic diagram of the automatic assembly device of a mechanical watch according to an embodiment of the present invention;

[0018] Figure 2 It is a schematic diagram of the structure of the transmission component according to an embodiment of the present invention;

[0019] Figure 3 A front view of the assembly platform according to an embodiment of the present invention;

[0020] Figure 4 It is a structural schematic diagram of the assembly bracket according to an embodiment of the present invention;

[0021] Figure 5 It is a structural schematic diagram of the alignment component of the mechanical watch according to an embodiment of the present invention;

[0022] Figure 6 It is a structural schematic diagram of a rotating assembly according to an embodiment of the present invention;

[0023] Description of reference numerals:

[0024] 1-bracket; 2-transmission component; 21-first track; 22-second track; 23-support plate; 24-alignment sensor; 3-assembly table; 31-table; 32-third track; 33-fourth track; 34-second through hole; 35-third through hole; 4-loading bracket; 5-alignment component; 51-second motor; 52-second clamping plate; 53-third clamping plate; 54-positioning column; 55-first adjusting bolt; 6-lifting component; 7-assembly bracket; 71-first clamping plate; 72-material table; 8-rotation component; 81-slewing drive; 82-fourth clamping plate; 82-alignment needle; 84-slider; 85-trachea; 86-clamp; 87-second adjusting bolt; 88-compression spring; 89-third adjusting bolt; 9-assembly movement. DETAILED DESCRIPTION

[0025] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0026] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0028] The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0029] like Figure 1-6 As shown, during production, multiple automatic assembly devices for mechanical watches can be used in series, and the automatic assembly device for mechanical watches includes a bracket 1, a conveying component 2, an assembly table 3, a feeding support 4, an alignment component 5, a lifting component 6, an assembly support 7 and a rotating component 8. The bracket 1 is a frame structure, and the conveying component 2 and the assembly table 3 are respectively installed on the upper end of the bracket 1. The conveying component 2 and the assembly table 3 are arranged parallel to each other. The alignment component 5 and the lifting component 6 are arranged inside the bracket 1. The alignment component 5 is located below the conveying component 2. A first through hole is provided in the middle of the assembly table 3. The outer periphery of the lifting component 6 is located in the first through hole, and the outer periphery of the lifting component 6 is sleeved with the rotating component 8. The rotating component 8 is located above the assembly table 3. The upper end of the assembly table 3 is clamped with the feeding support 4, and the feeding support 4 is located below the rotating component 8. The conveying component 2 is clamped with the assembly support 7. The controller includes a touch screen and a PLC connected with its signals. The conveying component 2, the assembly table 3, the alignment component 5, the lifting component 6 and the rotating component 8 are all connected to the PLC by signals. The model of the PLC is Siemens S7-200. smart, control instructions can be input into the PLC through the touch screen as needed.

[0030] The transmission assembly 2 includes a first track 21, a second track 22, a conveyor belt, a first motor, a support plate 23 and an alignment sensor 24. The first track 21 and the second track 22 are parallel to each other and symmetrically arranged. The cross section of the first track 21 and the cross section of the second track 22 are both U-shaped structures. The periphery of the conveyor belt is respectively clamped into the first track 21 and the second track 22. The lower end of the assembly bracket 7 is respectively clamped into the inner ring of the conveyor belt. The model of the first motor is 60M-01330F5-E. The transmission shaft of the first motor is sleeved on the inner ring of the conveyor belt. The transmission shaft of the first motor passes through the The conveyor belt and the assembly bracket 7 form a synchronous structure. The upper end of the second track 22 is installed with a positioning sensor 24 through a support plate 23. The positioning sensor 24 is a TP805 shooting sensor. The first motor and the positioning sensor 24 signals are connected to the PLC. The PLC controls the rotation of the first motor. The first motor drives the assembly bracket to move in the first track 21 and the second track 22 through the conveyor belt. When the belt moves to the positioning sensor 24, the positioning sensor 24 detects the information of the material table 72 and transmits the signal to the PLC. The PLC controls the first motor to stop rotating. The transmission process is fully automated and the transmission position is accurate.

[0031] The assembly table 3 includes a table 31, a third track 32, a fourth track 33, a first micro-touch switch and a second micro-touch switch. The first through hole is provided in the middle of the table 31, and the second through hole 34 and the third through hole 35 are provided on the table 31. The first micro-touch switch is installed in the second through hole 34, and the second micro-touch switch is installed in the third through hole 35. The first micro-touch switch and the second micro-touch switch are both of model TQ-2519S. The third track 32 and the fourth track 33 are installed on the upper end of the table 31 in parallel and stacked arrangement. The cross section of the third track 32 and the cross section of the fourth track 33 are both U-shaped structures. The cross-section of the feeding bracket 4 is an inverted T-shaped structure. The lower ends of the feeding bracket 4 are respectively clamped into the third track 32 and the fourth track 33. The upper end of the feeding bracket 4 is provided with a material trough, and the shape of the material trough matches the shape of the gear material. The signals of the first micro-touch switch and the second micro-touch switch are connected to the PLC. The first micro-touch switch and the second micro-touch switch are used as in-place instructions for positioning the rotating component 8. The second through hole 34 and the third through hole 35 are used as positioning holes for the rotating component 8. The positioning is precise and the structure of the first micro-touch switch and the second micro-touch switch is simple, and the product is practical.

[0032] The assembly bracket 7 includes a first clamping plate 71 and a material table 72. The two sides of the first clamping plate 71 are respectively clamped in the conveyor belt. The first clamping plate 71 is provided with a plurality of positioning holes. The material table 72 is installed on the upper end of the first clamping plate 71. The upper end of the material table 72 is provided with a movement groove. The shape of the movement groove corresponds to the outer shape of the assembly movement 9. The material table 72 set on the automatic assembly of different mechanical watches can be changed accordingly. By replacing one accessory, different product types can be used, thereby improving the applicability of the device.

[0033] The alignment component 5 includes a second motor 51, a second card plate 52, a third card plate 53, a positioning column 54 and a first adjusting bolt 55. The periphery of the second motor 51 is fixedly connected to the inside of the bracket 1. The second motor 51 is a push rod motor. The model of the second motor 51 is YMD-606. The second card plate 52 is installed on the movable rod of the second motor 51. The cross section of the second card plate 52 is a U-shaped structure. The second card plate 52 is respectively provided with a first U-shaped groove on both sides. The third card plate 53 is respectively connected to the two first U-shaped grooves on both sides. A plurality of positioning columns 54 are arranged on the upper end of the third card plate 53. The cross section of the positioning column 54 is a trapezoidal structure. The positioning column 54 is aligned with the The positioning holes correspond one to one, and the two side walls of the second clamping plate 52 are further provided with a plurality of first bolt holes, each of which is sleeved with a first adjusting bolt 55, and one end of the first adjusting bolt touches one side of the third clamping plate 53. The signal of the second motor 51 is connected to the PLC, and the PLC controls the second motor 51 to rotate a stroke. Within the said stroke, the movable rod of the second motor 51 drives a plurality of positioning columns 54 to move upward through the second clamping plate 52 and the third clamping plate 53 in turn, and each positioning column 54 is slowly inserted into the positioning hole. The inserting process forms precise positioning, and the positioning accuracy is high. The accuracy range is within 0.03mm, which meets the accuracy requirements of most accessories.

[0034] The rotating assembly 8 includes a rotary drive 81, a fourth clamping plate 82, an alignment needle 82, a slider 84, an air pipe 85, a clamp 86, a second adjustment bolt 87, a compression spring 88 and a third adjustment bolt 89. The lifting assembly 6 is a third motor, and the third motor has the same model as the second motor. The movable rod of the third motor is sleeved with the rotary drive 81, and the fourth clamping plate 82 is installed on the periphery of the rotary drive 81. The lower end of the fourth clamping plate 82 is a U-shaped structure, and two guide rods arranged parallel to each other are installed in the U-shaped structure. The peripheries of the two guide rods are sleeved into the slider 84, and a compression spring 88 is installed on the periphery of each guide rod. The compression spring 88 is located between the first side of the slider 84 and the first side wall of the fourth clamping plate 82, and the second side of the slider 84 contacts one side of the second adjustment bolt 87. The outer periphery of the second adjusting bolt 87 is sleeved into the second side wall of the fourth clamping plate 82. A through hole is provided in the middle of the slider 84. The outer periphery of the air pipe 85 is sleeved into the through hole. One end of the air pipe 85 is connected to an external air pump. A clamp 86 is installed at the other end of the air pipe 85. A clamp hole is provided in the middle of the clamp 86. The shape of the clamp hole is the same as the shape of the rotating shaft of the gear material. The material of the clamp 86 is hard rubber. The inside of the clamp hole is connected to the external air pump through the air pipe 85. A fourth through hole is also provided on the fourth clamping plate 82. The outer periphery of the alignment needle 82 is sleeved into the fourth through hole, and the outer periphery of the alignment needle 82 is contacted and connected to one end of the third adjusting bolt 89. The outer periphery of the third adjusting bolt 89 is sleeved to one side of the fourth clamping plate 82. The signal of the rotary drive 81 and the external air pump are both connected to the PLC.

[0035] Working process of automatic assembly device for mechanical watches:

[0036] Before the device is operated, the staff places the assembly movement on the material table 72, places the gear material on the loading bracket 4, turns on the power of the device, and the PLC controls the first motor to rotate. The first motor drives the assembly bracket to move in the first track 21 and the second track 22 through the conveyor belt. When the belt moves to the alignment sensor 24, the alignment sensor 24 detects the information of the material table 72 and transmits the signal to the PLC. The PLC controls the first motor to stop rotating and controls the second motor 51 to rotate a stroke. Within the said stroke, the movable rod of the second motor 51 drives several positioning columns 54 to move upward through the second clamping plate 52 and the third clamping plate 53 in turn. Each positioning column 54 is slowly inserted into the positioning hole, and the insertion process forms a precise positioning. After the second motor 51 completes a stroke rotation, the signal is transmitted to the PLC. The PLC controls the rotary drive 81 to rotate a stroke, and the rotary drive drives the fourth clamping plate 82 to rotate along the axis. After the rotary drive 81 completes a stroke, the signal is transmitted to the PLC. The PLC controls the third The motor rotates, and the movable rod of the third motor drives the fourth clamping plate 82 to move downward through the rotary drive 81. The rubber clamp 86 fixed on the fourth clamping plate 82 is sleeved on the rotating shaft of the gear material, and when the fourth clamping plate 82 moves downward, the alignment pin 82 completes precise alignment by cooperating with the second through hole. When the lower end of the alignment pin 82 touches the first micro switch, the first micro switch signal is transmitted to the PLC, and the PLC stops the movable rod of the third motor from moving downward and controls the movable rod of the third motor to move upward. When the movable rod of the third motor is reset, the signal is transmitted to the PLC, and the PLC controls the rotary drive 81 to rotate and reset. When the rotary drive 81 is reset, the signal is transmitted to the PLC, and the PLC controls the movable rod of the third motor to move downward, and the fourth clamping plate 82 moves downward synchronously. The alignment pin 82 completes precise alignment by cooperating with the third through hole. When the lower end of the alignment pin 82 touches the second micro switch, the second micro switch signal is transmitted to the PLC, and the PLC controls the air pump to blow up, and the gear material is vertically assembled to the preset position of the movement to complete the assembly of the two materials.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic assembly device for mechanical watches, characterized in that: The invention comprises a support (1), a transmission component (2), an assembly platform (3), a loading support (4), an alignment component (5), a lifting component (6), an assembly support (7) and a rotating component (8); the support (1) is a frame structure; the transmission component (2) and the assembly platform (3) are respectively installed on the upper end of the support (1); the transmission component (2) and the assembly platform (3) are arranged parallel to each other; the alignment component (5) and the lifting component (6) are arranged inside the support (1); the alignment component (5) is located below the transmission component (2); the assembly platform (3) is arranged on the upper end of the support (1); A first through hole is provided in the middle, the outer periphery of the lifting component (6) is located in the first through hole, and the outer periphery of the lifting component (6) is sleeved with the rotating component (8), the rotating component (8) is located above the assembly platform (3), the upper end of the assembly platform (3) is clamped with the loading support (4), the loading support (4) is located below the rotating component (8), the interior of the conveying component (2) is clamped with the assembly support (7), and the conveying component (2), the assembly platform (3), the alignment component (5), the lifting component (6) and the rotating component (8) are all connected to the controller by signals; The alignment component (5) comprises a second motor (51), a second clamping plate (52), a third clamping plate (53), a positioning column (54) and a first adjusting bolt (55). The periphery of the second motor (51) is fixedly connected to the inside of the bracket (1). The second clamping plate (52) is installed on the movable rod of the second motor (51). The cross section of the second clamping plate (52) is a U-shaped structure. The second clamping plate (52) is provided with first U-shaped slots on both sides. The third clamping plate (53) is respectively clamped into the two first U-shaped slots on both sides. A plurality of positioning columns (54) are arranged on the upper end of the third clamping plate (53). The cross section of the positioning columns (54) is a trapezoidal structure. The positioning columns (54) correspond to the positioning holes one by one. The two side walls of the second clamping plate (52) are also provided with a plurality of first bolt holes. The first adjusting bolt (55) is sleeved in each of the first bolt holes. One end of the first adjusting bolt contacts one side of the third clamping plate (53). The signal of the second motor (51) is connected to the controller. The assembly bracket (7) comprises a first clamping plate (71) and a material table (72), the two sides of the first clamping plate (71) are respectively clamped in the conveyor belt, a plurality of positioning holes are provided on the first clamping plate (71), the material table (72) is installed on the upper end of the first clamping plate (71), and a movement groove is provided on the upper end of the material table (72), and the shape of the movement groove corresponds to the outer shape of the assembly movement (9); The rotating assembly (8) includes a rotary drive (81), a fourth clamping plate (82), an alignment needle (83), a slider (84), an air pipe (85), a clamp (86), a second adjustment bolt (87), a compression spring (88) and a third adjustment bolt (89); the lifting assembly (6) is a third motor; the movable rod of the third motor is sleeved on the rotary drive (81); the fourth clamping plate (82) is installed on the periphery of the rotary drive (81); the lower end of the fourth clamping plate (82) is a U-shaped structure; two guide rods arranged parallel to each other are installed in the U-shaped structure; the peripheries of the two guide rods are sleeved in the slider (84); and a compression spring (88) is installed on the periphery of each guide rod; the compression spring (88) is located between the first side of the slider (84) and the first side wall of the fourth clamping plate (82); the first side wall of the slider (84) The two sides abut against one end of the second adjusting bolt (87), and the outer periphery of the second adjusting bolt (87) is sleeved into the second side wall of the fourth clamping plate (82). A through hole is provided in the middle of the slider (84), and the outer periphery of the air pipe (85) is sleeved into the through hole. One end of the air pipe (85) is connected to an external air pump, and a clamp (86) is installed at the other end of the air pipe (85). A clamp hole is provided in the middle of the clamp (86). The shape of the clamp hole is the same as the shape of the rotating shaft of the gear material. The material of the clamp (86) is hard rubber. The inside of the clamp hole is connected to the external air pump through the air pipe (85). A fourth through hole is also provided on the fourth clamping plate (82). The outer periphery of the alignment needle (83) is sleeved into the fourth through hole, and the outer periphery of the alignment needle (83) is in contact with and connected to one end of the third adjusting bolt (89), and the outer periphery of the third adjusting bolt (89) is sleeved.

2. The automatic assembly device for a mechanical watch according to claim 1, characterized in that: The transmission component (2) comprises a first track (21), a second track (22), a conveyor belt, a first motor, a support plate (23) and an alignment sensor (24); the first track (21) and the second track (22) are parallel to each other and symmetrically arranged; the cross section of the first track (21) and the cross section of the second track (22) are both U-shaped structures; the periphery of the conveyor belt is respectively clamped into the first track (21) and the second track (22); the lower end of the assembly bracket (7) is respectively clamped into the inner ring of the conveyor belt; the transmission shaft of the first motor is sleeved into the inner ring of the conveyor belt; the transmission shaft of the first motor forms a synchronous structure with the assembly bracket (7) through the conveyor belt; the upper end of the second track (22) is equipped with an alignment sensor (24) through the support plate (23); the signals of the first motor and the alignment sensor (24) are connected to a controller.

3. The automatic assembly device for a mechanical watch according to claim 1, characterized in that: The assembly table (3) comprises a table plate (31), a third track (32), a fourth track (33), a first micro-touch switch and a second micro-touch switch. The table plate (31) is provided with the first through hole in the middle, and the table plate (31) is provided with a second through hole (34) and a third through hole (35). The first micro-touch switch is installed in the second through hole (34), and the second micro-touch switch is installed in the third through hole (35). The upper end of the table plate (31) is provided with a third track (32) and a fourth track (33) which are parallel to each other and stacked. The cross-section of the third track (32) and the cross-section of the fourth track (33) are both U-shaped structures. The cross-section of the feeding support (4) is an inverted T-shaped structure. The lower end of the feeding support (4) is respectively clamped into the third track (32) and the fourth track (33). The upper end of the feeding support (4) is provided with a material slot. The shape of the material slot matches the shape of the gear material. The signals of the first micro-touch switch and the second micro-touch switch are connected to a controller.

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