Automatic assembly mechanism for traceless nail hooks

Abstract

The application discloses a kind of automatic assembly mechanism of traceless nail, including an automatic assembly turntable, the edge of the automatic assembly turntable is provided with five evenly spaced assembly stations, the outer shape profile of each assembly station is correspondingly adapted with traceless nail hook, and traceless nail hook can be pushed into assembly station from outside or taken out from assembly station;A circle is arranged outside the automatic assembly turntable, and the hook body feeding mechanism, traceless nail feeding mechanism, traceless nail detection mechanism, traceless nail pressing mechanism and discharging mechanism are arranged in a clockwise arrangement and evenly spaced manner.The overall structure of the present application is very ingenious and reasonable, fully realizes automatic assembly, effectively improves assembly efficiency and assembly quality, and has very good practicability and industry popularization.

Description

Technical Field

[0001] This invention relates to the field of processing and assembly technology of non-marking nail hooks, specifically to an automatic assembly mechanism for non-marking nail hooks. Background Technology

[0002] like Figure 1 and Figure 2 As shown, the traceless nail hook includes a hook body and a traceless nail part. The mounting part of the hook body is provided with nail holes. During specific assembly, the traceless nail needs to be driven into the nail holes. The outer diameter of the traceless nail is usually set to be slightly larger than the inner diameter of the nail hole. After the traceless nail is driven in, it is fixed in the nail hole. The nail head is usually set to not protrude from the nail hole, while the nail shank protrudes to the outside.

[0003] In the existing technology, the assembly of such traceless nail hooks is usually done manually, which is very inefficient and the assembly quality cannot be guaranteed.

[0004] Therefore, in order to solve the above problems, an automatic assembly mechanism for non-marking nail hooks is needed. Summary of the Invention

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing an automatic assembly mechanism for non-marking nail hooks; the technical solution is as follows:

[0006] An automatic assembly mechanism for a non-marking nail hook includes a hook body and a non-marking nail. The hook body includes a hook portion and an assembly portion. The assembly portion is provided with a nail hole. The outer diameter of the non-marking nail is larger than the inner diameter of the nail hole. The non-marking nail is assembled into the nail hole by the automatic assembly mechanism.

[0007] It includes an automatic assembly turntable with five evenly spaced assembly stations on its edge. The external shape of each assembly station is adapted to the traceless nail hook. The traceless nail hook can be pushed into the assembly station from the outside or removed from the assembly station.

[0008] The outer ring of the automatic assembly turntable is provided with hook body feeding mechanism, non-marking nail feeding mechanism, non-marking nail detection mechanism, non-marking nail pressing mechanism and unloading mechanism arranged clockwise and evenly spaced.

[0009] The hook body feeding mechanism pushes the hook body into the assembly station and fixes it. The non-marking nail feeding mechanism places the non-marking nail into the position corresponding to the nail hole of the assembly part. The non-marking nail detection mechanism is used to detect the presence of the non-marking nail. The non-marking nail pressing mechanism presses the non-marking nail into the nail hole and fixes it. The unloading mechanism takes the assembled non-marking nail hook out of the assembly station.

[0010] Further, the hook body feeding mechanism comprises a feeding channel, a horizontal moving device and a pushing device.

[0011] An end of the feeding channel is provided with a moving feeding groove, one end of the moving feeding groove is blocked by a fixed sealing plate, the other end is communicated with the feeding channel, a material blocking plate is arranged on the left side of the moving feeding groove, and the right side is connected with the horizontal moving device; the moving direction of the moving feeding groove is perpendicular to the feeding direction of the feeding channel; the moving feeding groove is correspondingly moved to the right side under the action of the horizontal moving device, so that the moving feeding groove is correspondingly positioned with the assembly station.

[0012] The pushing device is provided with a pushing plate, and the pushing plate pushes the hook body in the moving feeding groove into the assembly station.

[0013] Further, two pressing devices are arranged at each assembly station of the automatic assembly turntable, the pressing devices are arranged on the lower end surface of the automatic assembly turntable and are arranged on the two sides of the assembly station, the shaft bodies of the pressing devices pass through the automatic assembly turntable upwards, and the two shaft bodies are correspondingly provided with pressing plates, the positions of the pressing plates correspond to the positions of the assembly parts of the hook bodies in the assembly station, the assembly holes are arranged on the pressing plates and correspond to the positions of the nail holes, the inner diameters of the assembly holes are larger than the inner diameters of the nail holes, and the assembly holes and the nail holes are arranged on the same center.

[0014] Further, the inside of the feeding channel and the moving feeding groove is provided with a convex groove; the hook body is correspondingly embedded in the upper end groove; the feeding channel is provided with a vibrating disc feeder or manual feeding; and the vibrating disc is further provided with a blowing device.

[0015] Further, the assembly station filled with the hook bodies is correspondingly rotated to the traceless nail feeding mechanism; the traceless nail feeding mechanism comprises a plurality of discharge pipes corresponding to the positions and numbers of the assembly holes on the pressing plate; the traceless nails are arranged in the discharge pipes in an orderly manner, and the lower end of the discharge pipe is provided with an electromagnet, and the electromagnet is correspondingly provided with a controller.

[0016] The traceless nails are made of iron, the height of the pressing plate is matched with the length of the traceless nails, the electromagnet is powered on to correspondingly suck the traceless nails in the discharge pipe, so that the traceless nails are fixed in the discharge pipe; when the electromagnet is powered off, the traceless nails fall into the assembly holes of the pressing plate below; when the electromagnet is powered on, the adjacent traceless nails above are correspondingly fixed in the discharge pipe.

[0017] Further, the blowing pipe and the blowing device are arranged on each discharge pipe, the blowing pipe is obliquely arranged, and the blowing direction is downward; and the discharge pipe is provided with a vibrating disc feeder or manual feeding.

[0018] Further, the assembly part of the hook body in the assembly station is pressed and fixed by the pressing plate, and a traceless nail is placed in the assembly hole in the pressing plate, the assembly station is rotated to the traceless nail detection mechanism, the traceless nail detection mechanism comprises a detection plate and a detection head installed on the detection plate, the number and position of the detection head correspond to the number and position of the assembly hole on the pressing plate, and the detection head can correspondingly detect whether the traceless nail exists in the assembly hole.

[0019] Further, the detection head is provided as an infrared sensor or a distance sensor.

[0020] Further, the traceless nail pressing mechanism comprises a pressing device, a pressing plate is installed on the main shaft of the pressing device, a pressing rod is arranged on the pressing plate, when the assembly station moves to the lower position of the pressing device, the number and position of the pressing rod correspond to the number and position of the assembly hole, and after the pressing plate is pressed, the traceless nail in the assembly hole is pressed into the nail hole through the corresponding pressing rod.

[0021] Further, the discharging mechanism comprises a discharging moving device, an arc-shaped discharging head is installed on the main shaft of the discharging moving device, and an integrated air suction device and a controller are also installed on the main shaft, the arc-shaped discharging head is hollow, and an air suction port is arranged on the inner side of the arc-shaped discharging head, the air suction device is connected to the inside of the arc-shaped discharging head through a pipeline, so that the air suction port generates suction force; the arc-shaped discharging head can move to the assembly station under the action of the discharging moving device, and tightly abuts against the outer side wall of the assembly part, so as to suck the assembled traceless nail hook.

[0022] Beneficial effects: the traceless nail automatic assembly mechanism of the present application can realize automatic assembly of the traceless nail and the hook body, the hook body feeding mechanism is used to push the hook body into the assembly station for fixation, the traceless nail feeding mechanism is used to place the traceless nail into the corresponding position of the assembly hole, the traceless nail detection mechanism is used to detect whether the traceless nail exists, the traceless nail pressing mechanism is used to press the traceless nail into the nail hole for fixation, and the discharging mechanism is used to take out the assembled traceless nail hook from the assembly station; the overall structure design is very ingenious and reasonable, completely realizes automatic assembly, effectively improves the assembly efficiency and quality, and has very good practicability and industry popularization. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a traceless nail hook structure diagram in the present application;

[0024] Figure 2 is Figure 1 side view;

[0025] Figure 3 is a top view of the present application;

[0026] Figure 4 isFigure 3 A-A sectional view;

[0027] Figure 5 For Figure 3 B-B sectional view;

[0028] Figure 6 For Figure 3 C-C sectional view;

[0029] Figure 7 For Figure 3 D-D sectional view;

[0030] Figure 8 For Figure 3 E-E sectional view;

[0031] Figure 9 For Figure 3 F enlarged view at;

[0032] Figure 10 For the upper disc structure of the hook body;

[0033] Figure 11 For the upper disc structure of the traceless nail. DETAILED DESCRIPTION

[0034] The present application will be further illustrated below in conjunction with the drawings and specific embodiments, which are implemented on the premise of the technical scheme of the present application, and it should be understood that these embodiments are only used to illustrate the present application and not to limit the scope of the present application.

[0035] As Figure 3 shown, an automatic assembly mechanism of traceless nail hook, the traceless nail hook includes hook body 1 and traceless nail 2, the hook body 1 includes hook body part 101 and assembly part 102, the assembly part 102 is provided with nail hole 103, the outer diameter of traceless nail 2 corresponds to greater than the inner diameter of nail hole 103, traceless nail 2 is correspondingly assembled into nail hole 103 by automatic assembly mechanism;

[0036] It includes an automatic assembly turntable 3, the edge of the automatic assembly turntable 3 is provided with five evenly spaced assembly stations 4, the outer shape profile of each assembly station 4 is correspondingly adapted to traceless nail hook, and the traceless nail hook can be pushed into the assembly station 4 from the outside or taken out from the assembly station 4;

[0037] The outer side of automatic assembly turntable 3 is provided with hook body feeding mechanism 5, traceless nail feeding mechanism 6, traceless nail detection mechanism 7, traceless nail pressing mechanism 8 and discharging mechanism 9 arranged in a clockwise direction and evenly spaced;

[0038] The hook body feeding mechanism 5 pushes the hook body 1 into the assembly station 4 for fixing, the traceless nail feeding mechanism 6 places the traceless nail 2 into the position corresponding to the nail hole 103 of the assembly part 102, the traceless nail detection mechanism 7 is used to detect whether the traceless nail 2 exists, and the traceless nail pressing mechanism 8 correspondingly presses the traceless nail 2 into the nail hole 103 for fixing, and the discharging mechanism 9 takes out the assembled traceless nail hook from the assembly station 4.

[0039] The hook body feeding mechanism 5 comprises a feeding channel 501, a horizontal moving device 502 and a pushing device 503.

[0040] The end of the feeding channel 501 is provided with a moving feeding groove 504, one end of the moving feeding groove 504 is blocked by a fixed sealing plate 505, the other end is communicated with the feeding channel 501, the left side of the moving feeding groove 504 is provided with a blocking plate 506, and the right side corresponds to the horizontal moving device 502. The moving direction of the moving feeding groove 504 is perpendicular to the feeding direction of the feeding channel 501, the moving feeding groove 504 moves to the right side under the action of the horizontal moving device 502, so that the moving feeding groove 504 corresponds to the position of the assembly station 4.

[0041] The pushing device 503 is installed with a pushing plate 507, which correspondingly pushes the hook body 1 in the moving feeding groove 504 into the assembly station 4.

[0042] As shown in Figure 5 Each assembly station 4 of the automatic assembly turntable 3 is also provided with two pressing devices 508, the pressing device 508 is arranged on the lower end face of the automatic assembly turntable 3, and is arranged on the two sides of the assembly station 4, the shaft body of the pressing device 508 penetrates the automatic assembly turntable 3 upward, and the shaft bodies on the two sides are correspondingly installed with pressing plates 509, the position of the pressing plate 509 corresponds to the position of the assembly part 102 of the hook body of the assembly station 4, and the pressing plate 509 is also provided with an assembly hole 510 corresponding to the position of the nail hole 103, and the inner diameter of the assembly hole 510 is greater than the inner diameter of the nail hole 103, and the assembly hole 510 and the nail hole 103 are arranged with the same center.

[0043] As shown in Figure 4 The inside of the feeding channel 501 and the moving feeding groove 504 is provided with a convex groove 513; the hook body part 101 of the hook body 1 is correspondingly embedded in the upper end groove body, the feeding channel 501 is fed by the vibration disc 512 or manually fed; and the vibration disc 512 is also installed with a blowing device 511.

[0044] As shown in Figure 6As shown, the assembly station 4 corresponding to the rotation of the hook body 1 is loaded onto the traceless nail feeding mechanism; the traceless nail feeding mechanism 6 includes several discharge pipes 601 corresponding in position and number to the assembly holes 510 on the pressing plate 509, the traceless nails 2 are arranged in the discharge pipes 601, and the lower end of the discharge pipe 601 is provided with an electromagnet 602, and the electromagnet 602 is correspondingly provided with a controller 603;

[0045] The traceless nail 2 is correspondingly made of iron material, and the height of the pressing plate 509 is correspondingly matched with the length of the traceless nail 2; when the electromagnet 602 is powered on, the traceless nail 2 in the discharge pipe 601 is correspondingly attracted, so that the traceless nail 2 is fixed in the discharge pipe 601; when the electromagnet 602 is powered off, the traceless nail 2 falls into the assembly hole 510 of the pressing plate 509 below, and the adjacent traceless nail 2 above is correspondingly fixed in the discharge pipe 601.

[0046] Each discharge pipe 601 is also provided with a blowing pipe 604 and a blowing device 511, the blowing pipe 604 is installed obliquely, and the blowing direction is downward; the discharge pipe 601 is supplied by a vibrating disc 512 or manually.

[0047] As shown in Figure 7 The assembly part 102 of the hook body 1 in the assembly station 4 is pressed and fixed by the pressing plate 509, and the traceless nail 2 is placed in the assembly hole 510 in the pressing plate 509, the assembly station 4 is rotated to the traceless nail detection mechanism 7, the traceless nail detection mechanism 7 includes a detection plate 701 and a detection head 702 installed on the detection plate 701, the number and position of the detection head 702 correspond to the number and position of the assembly hole 510 on the pressing plate 509, and the detection head 702 can correspondingly detect whether the traceless nail 2 exists in the assembly hole 510.

[0048] The detection head 702 is provided as an infrared sensor or a distance sensor.

[0049] As shown in Figure 8 The traceless nail pressing mechanism 8 includes a pressing device 801, the main shaft of the pressing device 801 is provided with a pressing plate 802, the pressing plate 802 is provided with a pressing rod 803, when the assembly station 4 moves to the pressing device 801, the number and position of the pressing rod 803 correspond to the number and position of the assembly hole 510, and after the pressing plate 802 is pressed, the traceless nail 2 in the assembly hole 510 is pressed into the nail hole 103 by the pressing rod 803.

[0050] As shown in Figure 9As shown, the blanking mechanism 9 comprises a blanking moving device 901, an arc-shaped blanking head 902 is installed on the main shaft of the blanking moving device 901, and an integrated air suction device 903 and a controller 603 are also installed on the main shaft. The arc-shaped blanking head 902 is hollow inside, and an air suction port 904 is arranged on the inner side of the arc-shaped blanking head 902. The air suction device 903 is connected to the inside of the arc-shaped blanking head 902 through a pipeline, so that the air suction port 904 generates suction force. The arc-shaped blanking head 902 can move into the assembly station 4 under the action of the blanking moving device 901 and tightly abuts against the outer side wall of the assembly part 102, so as to suck the already assembled traceless nail hook.

[0051] The working principle of the present application is as follows: the hook body falls from the feeding channel in sequence, and Figure 10 As shown, the feeding source of the feeding channel can be a vibrating disc or directly manually inserting the hook body into the feeding channel. Since the vibrating disc feeding is more common, the structure thereof is not described in detail.

[0052] The hook body finally falls into the movable feeding groove at the end. The front end of the movable feeding groove is blocked, and the hook body itself will not fall from the front end. A material blocking plate is arranged on the other side. After the movable feeding groove moves to the right, the position is corresponding to the assembly station. At this time, the pushing device drives the pushing plate to push the hook body in the movable feeding groove into the assembly station. Then, the transverse moving device drives the movable feeding groove to reset. Since the material blocking plate blocks during movement, the hook body in the feeding channel will not fall and displace. When the movable feeding groove resets, the hook body in the feeding channel naturally enters the movable feeding groove for feeding of the next assembly station.

[0053] The specific design of the assembly station is a groove. The external contour needs to be consistent with the hook body, so that the hook body can be smoothly pushed into the assembly station. However, the hook body is not fixed in the assembly station at this time. The present application further provides a pressing device. When the hook body enters the assembly station, the pressing device controls the pressing plate to press the assembly part. On the one hand, the hook body is fixed. On the other hand, the assembly hole on the pressing plate is corresponding to the nail hole on the assembly part. After the hook body is fixed, it is rotated to a set angle, and the assembly station is moved to the traceless nail feeding mechanism.

[0054] The traceless nail feeding mechanism mainly provides a plurality of blanking pipes. The positions of the blanking pipes need to be corresponding to the positions of the assembly holes on the pressing plate, and the spacing therebetween can be set according to actual use. As shown, Figure 11 The traceless nail can also be fed by the vibrating disc or directly manually placed into the blanking pipe.

[0055] The traceless nails are arranged in a single continuous row in the blanking tube, and an electromagnet and a controller are arranged at the lowermost position. The traceless nails are attracted by the electromagnet. When the assembly station is not rotated below the blanking tube, the controller opens the electromagnet to attract the traceless nails, and the position of the traceless nails is fixed. When the assembly station is rotated below the blanking tube, the electromagnet is closed, and the lowermost traceless nail falls into the assembly hole under the action of gravity and the blowing device. The height of the pressing plate is consistent with the height of the traceless nail, or the height of the pressing plate is less than the height of the traceless nail. When the lowermost traceless nail falls into the assembly hole, the adjacent traceless nails above are supported on the upper end of the nail body. Then, the electromagnet is opened to attract and fix the traceless nails. The traceless nail that has fallen into the assembly hole can be rotated to the next station with the pressing plate.

[0056] The blowing device and the blowing pipe are arranged in the above process. When the electromagnet is powered off, the traceless nail will not fall.

[0057] When the assembly station is rotated to the traceless nail detection mechanism, whether the traceless nail is placed in each assembly hole can be detected by the detection head. If the traceless nail is placed in each assembly hole, the assembly station is rotated to the traceless nail pressing mechanism. If the traceless nail is not placed in some assembly holes, the assembly station is directly rotated to the blanking mechanism for blanking.

[0058] When the assembly station is rotated to the traceless nail pressing mechanism, the pressing mechanism drives the pressing plate to press down, so that the pressing rod is pressed into the assembly hole, thereby pressing the traceless nail into the nail hole. Since the inner diameter of the nail hole is small, the traceless nail can be fixed in the nail hole after being pressed in. The depth of the traceless nail pressed in can be adjusted according to actual conditions.

[0059] Then, the assembly station is rotated to the blanking mechanism. The blanking mechanism of the present application mainly blanks by suction. When the assembly station is in place, the pressing device needs to control the pressing plate to move up to release the pressure of the pressing plate, and needs to ensure that the traceless nail is completely separated from the assembly hole. At this time, the arc-shaped blanking head is driven by the blanking moving device to move towards the already assembled hook. The inner end surface of the arc-shaped blanking head is provided with a suction port, and the outside is connected with a suction device. The suction port always produces suction, and the shape of the arc-shaped blanking head is adapted to the side wall of the assembly part. When the inner end surface of the arc-shaped blanking head is pressed against the side wall of the assembly part, the hook can be fixed by suction. Then, the blanking moving device moves backward to pull out the hook from the assembly station. Then, the controller controls the suction device to be closed, and the hook naturally falls to realize blanking. The assembly station can perform the next work.

[0060] The above detailed description is only a preferred embodiment of the present application, and is not intended to limit the implementation and the scope of claims of the present application. Any equivalent changes and modifications made according to the content of the present application patent protection scope should be included in the present application patent protection scope.

Claims

1. A traceless nail hook automatic assembly mechanism, the traceless nail hook comprising a hook body (1) and a traceless nail (2), the hook body (1) further comprising a hook body part (101) and an assembly part (102), the assembly part (102) being provided with a nail hole (103), the outer diameter of the traceless nail (2) being greater than the inner diameter of the nail hole (103), and the traceless nail (2) being correspondingly assembled into the nail hole (103) by the automatic assembly mechanism, characterized in that: an automatic assembly turntable (3) is arranged, the edge of the automatic assembly turntable (3) being provided with five assembly stations (4) arranged at equal intervals, the outer shape profile of each assembly station (4) corresponding to the traceless nail hook, and the traceless nail hook being capable of being pushed into or taken out of the assembly station (4) from the outside; a hook body feeding mechanism (5), a traceless nail feeding mechanism (6), a traceless nail detection mechanism (7), a traceless nail pressing mechanism (8), and a discharging mechanism (9) are arranged at equal intervals in a clockwise direction on the outside of the automatic assembly turntable (3); the hook body feeding mechanism (5) pushes the hook body (1) into the assembly station (4) to be fixed, the traceless nail feeding mechanism (6) puts the traceless nail (2) into the corresponding position of the assembly part (102) and the nail hole (103), the traceless nail detection mechanism (7) is used to detect whether the traceless nail (2) exists, the traceless nail pressing mechanism (8) correspondingly presses the traceless nail (2) into the nail hole (103) to be fixed, and the discharging mechanism (9) takes out the assembled traceless nail hook from the assembly station (4); the hook body feeding mechanism (5) comprises a feeding channel (501), a horizontal moving device (502), and a pushing device (503); one end of the feeding channel (501) is provided with a moving feeding groove (504), one end of the moving feeding groove (504) being blocked by a fixed sealing plate (505), the other end being communicated with the feeding channel (501), the left side of the moving feeding groove (504) being provided with a blocking plate (506), and the right side being correspondingly connected with the horizontal moving device (502), the moving direction of the moving feeding groove (504) being perpendicular to the feeding direction of the feeding channel (501), the moving feeding groove (504) being correspondingly moved to the right side under the action of the horizontal moving device (502), so that the moving feeding groove (504) corresponds to the position of the assembly station (4); the pushing device (503) is provided with a pushing plate (507), the pushing plate (507) correspondingly pushing the hook body (1) in the moving feeding groove (504) into the assembly station (4). ​ ​ ​ ​ ​ ​ The automatic assembly turntable (3) is provided with two pressing devices (508) at each assembly station (4), the pressing devices (508) are arranged on the lower end surface of the automatic assembly turntable (3) and are arranged on the two sides of the assembly station (4), the shaft body of the pressing device (508) penetrates the automatic assembly turntable (3) upward, and the shaft bodies on the two sides are provided with pressing plates (509) correspondingly, the position of the pressing plate (509) corresponds to the position of the assembly part (102) of the hook body in the assembly station (4), and the assembly hole (510) corresponding to the position of the nail hole (103) is arranged on the pressing plate (509), and the inner diameter of the assembly hole (510) is greater than the inner diameter of the nail hole (103), and the assembly hole (510) and the nail hole (103) are arranged with the same center.

2. A traceless nail hook automatic assembly mechanism according to claim 1, characterized in that: The upper feeding channel (501) and the moving feeding groove (504) are provided with convex grooves (513) inside; the hook body part (101) of the hook body (1) is correspondingly embedded in the upper end groove body, the upper feeding channel (501) is fed by a vibrating disc (512) or manually; and the vibrating disc (512) is further provided with a blowing device (511).

3. The automatic assembly mechanism of the traceless nail hook according to claim 1, characterized in that: The assembly station (4) filled with the hook body (1) is correspondingly rotated to the traceless nail feeding mechanism; the traceless nail feeding mechanism (6) comprises a plurality of discharge pipes (601) corresponding in position and number to the assembly holes (510) on the pressing plate (509), the traceless nails (2) are arranged in the discharge pipes (601) in an orderly manner, and the lower end of the discharge pipe (601) is provided with an electromagnet (602), and the electromagnet (602) is correspondingly provided with a controller (603). The traceless nail (2) is correspondingly made of iron material, the height of the pressing plate (509) is adapted to the length of the traceless nail (2), when the electromagnet (602) is powered on, the traceless nail (2) in the discharge pipe (601) is correspondingly sucked, so that the traceless nail (2) is fixed in the discharge pipe (601), when the electromagnet (602) is powered off, the traceless nail (2) falls into the assembly hole (510) of the pressing plate (509) below, and when the electromagnet (602) is powered on, the adjacent traceless nail (2) above is correspondingly fixed in the discharge pipe (601).

4. A mechanism for automatic assembly of a nail hook without trace according to claim 3, characterized in that: The blowing pipe (604) is obliquely installed, and the blowing direction is downward; the discharge pipe (601) is fed by a vibrating disc (512) or manually.

5. A mechanism for automatic assembly of a nail hook without trace according to claim 3, characterized in that: The assembly part (102) of the hook body (1) is pressed and fixed by the pressing plate (509), and the traceless nail (2) is placed in the assembly hole (510) in the pressing plate (509), the assembly station (4) is rotated to the traceless nail detection mechanism (7), the traceless nail detection mechanism (7) comprises a detection plate (701) and a detection head (702) installed on the detection plate (701), the number and position of the detection head (702) correspond to the number and position of the assembly hole (510) on the pressing plate (509), and the detection head (702) can correspondingly detect whether the traceless nail (2) exists in the assembly hole (510).

6. A mechanism for automatic assembly of a nail hook without trace according to claim 5, characterized in that: The detection head (702) is provided as an infrared sensor or a distance sensor.

7. A mechanism for automatic assembly of a nail hook without trace according to claim 5, characterized in that: The traceless nail pressing mechanism (8) comprises a pressing device (801), a pressing plate (802) is installed on the main shaft of the pressing device (801), a pressing rod (803) is arranged on the pressing plate (802), when the assembly station (4) moves to the pressing device (801) and is placed, the number and position of the pressing rod (803) correspond to the number and position of the assembly hole (510), and after the pressing plate (802) is pressed, the traceless nail (2) in the assembly hole (510) is pressed into the nail hole (103) through the pressing rod (803).

8. A mechanism for automatic assembly of a nail hook without trace according to claim 7, characterized in that: The blanking mechanism (9) comprises a blanking moving device (901), an arc-shaped blanking head (902) is installed on the main shaft of the blanking moving device (901), and an integrated air suction device (903) and a controller (603) are further installed on the main shaft, the arc-shaped blanking head (902) is hollow, and an air suction port (904) is arranged on the inner side of the arc-shaped blanking head (902), the air suction device (903) is connected to the inside of the arc-shaped blanking head (902) through a pipeline, so that the air suction port (904) generates suction force; the arc-shaped blanking head (902) can move to the assembly station (4) under the action of the blanking moving device (901), and is tightly attached to the outer side wall of the assembly part (102), so as to suck the assembled traceless nail hook.

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