Full-automatic metal sheet locknut squeeze riveter

Abstract

The utility model relates to a full-automatic metal sheet locknut squeeze riveter which comprises a nut blank feeding mechanism, a locking plate feeding mechanism, a nut blank feeding mechanism, a locking plate feeding mechanism, a multi-station feeding rotary table and a feeding and squeeze riveting mechanism of a squeeze riveting mechanism, one side of the nut blank feeding mechanism extends to the multi-station feeding rotary table, and the other side of the nut blank feeding mechanism extends to the multi-station feeding rotary table. The locking plate feeding mechanism comprises a locking plate feeding channel, a locking plate vibrating mechanism and a locking plate pushing mechanism, the locking plate feeding channel comprises a channel body, a locking plate feeding port and a locking plate discharging port, the locking plate discharging port is located in one side of the locking plate pushing mechanism, the other side of the locking plate pushing mechanism faces the multi-station feeding rotary disc, and the locking plate is fed into the locking plate feeding channel through the locking plate feeding port. According to the full-automatic squeeze riveter, the locking plates enter the channel body one by one, the locking plates execute vibration material moving towards the locking plate discharging opening through the locking plate vibration mechanism, and the locking plates enter the locking plate pushing mechanism one by one, so that compared with the prior art, the full-automatic squeeze riveter has the advantages that the labor intensity can be reduced, the riveting speed can be increased, and the situations of lamination and the like can be avoided.

Description

Technical Field

[0001] This utility model relates to the technical field of nut production equipment, and in particular to a riveting machine for fully automatic riveting between metal sheet anti-loosening nuts. Background Technology

[0002] In the field of nut manufacturing, a press riveting machine usually refers to the production equipment for anti-loosening nuts. Its working principle is to press rivet the locking plates that are inserted into nylon or metal locking plates.

[0003] Currently, the production of nylon locking plates on lock nuts (i.e., the crimping connection process between nylon locking plates and lock nuts) is basically automated. However, the metal locking plates on the market have problems such as thinness and easy bending and deformation. If the same material cutting method is used as for nylon locking plates, problems such as plate skipping, stacking, and blockage will easily occur. Therefore, only a small number of factories can achieve fully automated production through automated equipment. Most factories still use a semi-automatic production mode for the production of metal locking plate lock nuts, which involves manually placing the locking plates and using automatic crimping. Among the few factories that can achieve fully automated production, the solutions mainly use a robotic arm with crank rocker and suction cup, or a vertical material dropping method combined with a push rod. However, in the production and use process, it has been found that the structure of the automated equipment achieved by the above two methods is usually relatively complex. This results in relatively high production costs, and the assembly process is also relatively complicated and difficult to maintain. Summary of the Invention

[0004] In view of the above shortcomings, this utility model provides a fully automatic metal sheet anti-loosening nut riveting machine with simple structure, convenient assembly, easy maintenance, and improved production efficiency.

[0005] To achieve the above objectives, this utility model employs a fully automatic metal sheet anti-loosening nut riveting machine, including a nut blank feeding mechanism, a locking plate feeding mechanism, a nut blank feeding mechanism connected to the nut blank feeding mechanism, a locking plate feeding mechanism distributed on one side of the locking plate feeding mechanism, and a feeding and riveting mechanism for feeding and riveting the nut blank and locking plate. The feeding and riveting mechanism includes a multi-station feeding turntable for feeding the nut blank and locking plate separately before riveting, and a riveting mechanism for riveting the locking plate and the nut blank. The nut blank feeding mechanism extends toward the multi-station feeding turntable relative to the side connected to the nut blank feeding mechanism.

[0006] The locking plate feeding mechanism includes a locking plate feeding channel, a locking plate vibration mechanism, and a locking plate pushing mechanism. The locking plate feeding channel includes a channel body, a locking plate inlet and a locking plate outlet distributed on the channel body. The locking plate outlet is located on one side of the locking plate pushing mechanism, and the other side of the locking plate pushing mechanism faces the multi-station feeding turntable.

[0007] The locking plate feed inlet is located on one side of the locking plate feeding mechanism. Through the locking plate feed inlet, the locking plate feeding mechanism is used only for each locking plate to enter the channel body one by one. The locking plate vibration mechanism is connected to the channel body, and each locking plate of the channel body performs vibration and material transfer towards the end of its locking plate discharge port of the channel body, and enters the locking plate pushing mechanism one by one. The multi-station feeding turntable is a riveting machine disc, and the locking plate vibration mechanism is a vibrator installed outside the locking plate feeding channel.

[0008] The present invention is further configured such that the locking plate pushing mechanism includes a transverse pushing mechanism and a longitudinal pushing mechanism, each having a locking plate channel built into it. The longitudinal pushing mechanism is located in the outlet area of ​​the locking plate channel of the transverse pushing mechanism, and the feeding port of the locking plate channel of the longitudinal pushing mechanism is connected to the multi-station feeding turntable.

[0009] The present invention is further configured such that the multi-station feeding turntable includes multiple nut blank feeding areas, and the feeding port of the locking plate channel of the longitudinal pushing mechanism, the riveting part of the riveting mechanism, and the riveting part of the riveting mechanism are distributed sequentially according to the rotation direction of the multi-station feeding turntable.

[0010] The present invention is further configured such that, between the feeding port of the locking plate channel of the longitudinal pushing mechanism, which is distributed sequentially according to the rotation direction of the multi-station feeding turntable, and the riveting part of the riveting mechanism, a locking plate detection mechanism is provided for detecting whether a single locking plate has been formed and placed on the nut blank.

[0011] The present invention is further configured such that the transverse pushing mechanism includes a transverse feeding area connected to the locking plate outlet and a transverse driving source for driving the transverse feeding area to perform a pushing action; the longitudinal pushing mechanism includes a longitudinal feeding area connected to the outlet of the locking plate channel of the transverse pushing mechanism and a longitudinal driving source for driving the longitudinal feeding area to perform a pushing action; the transverse driving source drives the locking plate to perform a transverse pushing action towards the outlet direction of the locking plate channel of the transverse pushing mechanism; the locking plate enters the longitudinal feeding area through the outlet of the locking plate channel of the transverse pushing mechanism; and the longitudinal driving source drives the locking plate to perform a longitudinal pushing action towards the feeding port direction of the locking plate channel of the longitudinal pushing mechanism; the transverse driving source is a transverse thrust cylinder and the longitudinal driving source is a longitudinal thrust cylinder.

[0012] The present invention is further configured such that a locking plate detector is provided on the transverse feeding area of ​​the transverse pushing mechanism. The locking plate detector is used to detect whether a locking plate has entered the transverse feeding area of ​​the transverse pushing mechanism at the locking plate outlet.

[0013] The present invention is further configured such that the locking plate feeding channel also includes a locking plate guide plate disposed on the channel body. The locking plate feeding ports on the channel body are distributed between the locking plate guide plate and the feeding area of ​​the locking plate feeding mechanism. Among the locking plates fed through the feeding area of ​​the locking plate feeding mechanism, the locking plates that do not enter the locking plate feeding port fall back into the locking plate feeding mechanism through the locking plate guide plate.

[0014] The present invention is further configured such that the locking plate inlet of the channel body is a locking plate entry hole opened in the direction of the feeding area adjacent to the locking plate feeding mechanism. Through the locking plate entry hole, the locking plate, which has been sorted and fed laterally by the locking plate feeding mechanism, falls vertically into the locking plate entry hole.

[0015] The present invention is further configured such that a strip-shaped channel for a single locking piece to pass through is provided in the channel body from the locking piece inlet to the locking piece outlet.

[0016] The beneficial effects of this utility model are as follows: By using metal sheets in a fully automatic riveting machine for anti-loosening nuts, in addition to the nut blank feeding mechanism, locking plate feeding mechanism, and nut blank feeding mechanism connected to the nut blank feeding mechanism, it also involves a locking plate feeding mechanism distributed on one side of the locking plate feeding mechanism, and a feeding and riveting mechanism for feeding and riveting the nut blank and locking plate. Furthermore, the feeding and riveting mechanism also includes a multi-station feeding turntable that can be used to feed the nut blank and locking plate separately before riveting, and... A riveting mechanism can be used to rivet locking plates onto nut blanks. The locking plate feeding mechanism includes a locking plate feeding channel, a locking plate vibration mechanism, and a locking plate pushing mechanism. The locking plate feeding channel mainly includes the channel body and the locking plate feeding port and locking plate discharging port distributed on the channel body. The locking plate discharging port is located on one side of the locking plate pushing mechanism, and the other side of the locking plate pushing mechanism faces the multi-station feeding turntable. The locking plate feeding port is located on one side of the locking plate feeding mechanism, and the locking plate vibration mechanism is connected to the channel body.

[0017] Therefore, when a fully automatic riveting machine is used for riveting between nut blanks and locking plates, the nut blank can be automatically fed to the multi-station loading turntable via the nut blank feeding mechanism and the nut blank feeding mechanism. At the same time, the locking plates enter the locking plate inlet one by one via the locking plate feeding mechanism and then enter the channel body simultaneously. The locking plate vibration mechanism vibrates the locking plate feeding channel as a whole outside the channel body, so that the locking plates arranged one by one in the channel body are discharged towards the locking plate outlet of the channel body via the locking plate vibration mechanism. After the locking plates enter the locking plate pushing mechanism, when the multi-station loading turntable rotates and moves the nut blank to the position facing the locking plate pushing mechanism, the locking plate vibration mechanism automatically pushes the locking plates onto the nut blank. Then, the multi-station loading turntable rotates to one side of the riveting mechanism, and finally the riveting mechanism automatically rivets the metal plate onto the nut, thus completing the forming of the anti-loosening nut.

[0018] Furthermore, when using the fully automatic riveting machine involved in this utility model, compared with the existing semi-automatic (the "automatic" in the semi-automatic part refers to automated riveting) method, it can greatly reduce the labor intensity (eliminating the process of manually pulling the pressure rod to rivet), and at the same time, the riveting speed can be increased from 65 to 75 pieces per minute in the semi-automatic method to 80 to 90 pieces per minute. At the same time, when using a fully automatic riveting machine for metal sheets, it feeds the locking sheets one by one in the locking sheet feeding channel through the locking sheet feeding port, and after feeding, the action of the vibrator on the locking sheet feeding channel is used to achieve the one-by-one feeding of the locking sheets. Moreover, the locking sheets in the locking sheet feeding channel can avoid stacking, blockage and other situations through the action of the vibrator.

[0019] This invention also solves the problem that, since the locking plates are only 3-5mm thick, and during feeding, there is a requirement that they not overlap and must be placed in the center of the nut without being too far off. If existing mature automatic riveting machines for nylon locking plates are used, the metal locking plates are prone to overlapping during feeding / unloading, and it is difficult to separate the overlapped plates. They are also prone to magnetization. In addition, the fully automatic riveting machine involved in this invention uses horizontal feeding. Compared with the existing vertical feeding method, the horizontal feeding method allows the riveting mechanism to be modified and upgraded from most of the old riveting machines. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the riveting machine according to a specific embodiment of this utility model;

[0021] Figure 2 yes Figure 1 Enlarged view of part A;

[0022] Figure 3 yes Figure 1 Enlarged view of part B;

[0023] Figure 4 This is a schematic diagram illustrating the cooperation between the locking plate vibration mechanism and the locking plate feeding mechanism in a specific embodiment of this utility model;

[0024] Figure 5 yes Figure 4 Enlarged schematic diagram;

[0025] Figure 6 This is a schematic diagram of the structure of the nut blank before riveting in a specific embodiment of this utility model;

[0026] Figure 7 This is a schematic diagram of the structure of the locking piece in a specific embodiment of this utility model;

[0027] Figure 8 This is a schematic diagram of the structure of the nut blank after riveting in a specific embodiment of this utility model;

[0028] Figure 9 This is a schematic diagram of the anti-loosening nut of a specific embodiment of this utility model. Detailed Implementation

[0029] like Figure 1-9 As shown, a specific embodiment of this utility model is a fully automatic metal sheet anti-loosening nut riveting machine, including a nut blank feeding mechanism 2, a locking plate feeding mechanism 1, a nut blank feeding mechanism 3 connected to the nut blank feeding mechanism 2, a locking plate feeding mechanism distributed on one side of the locking plate feeding mechanism 1, and a feeding and riveting mechanism 6 for feeding and riveting the nut blank b and the locking plate c. The feeding and riveting mechanism 6 includes a multi-station feeding turntable 5 for feeding the nut blank b and the locking plate c respectively before riveting, and a riveting mechanism 6 for riveting the locking plate c and the nut blank b. The nut blank feeding mechanism 3 extends toward the multi-station feeding turntable 5 relative to the side connected to the nut blank feeding mechanism 2.

[0030] The locking plate feeding mechanism includes a locking plate feeding channel 4, a locking plate vibration mechanism 10, and a locking plate pushing mechanism 8. The locking plate feeding channel 4 includes a channel body 41, a locking plate feeding port 42 distributed on the channel body 41, and a locking plate discharging port 43 located on one side of the locking plate pushing mechanism 8. The other side of the locking plate pushing mechanism 8 faces the multi-station feeding turntable 5.

[0031] The locking plate feed port 42 is located on one side of the locking plate feeding mechanism 1. Through the locking plate feed port 42, the locking plate feeding mechanism 1 is used only for each locking plate c to enter the channel body 41 one by one. The locking plate vibration mechanism 10 is connected to the channel body 41, and each locking plate c of the channel body 41 is vibrated and transferred towards the end of its locking plate discharge port 43 of the channel body 41, and enters the locking plate pushing mechanism 8 one by one. The multi-station feeding turntable 5 is a riveting machine disc, and the locking plate vibration mechanism 10 is a vibrator installed outside the locking plate feeding channel 4.

[0032] The fully automatic riveting machine for using metal sheets on lock nuts includes a nut blank feeding mechanism 2, a locking plate feeding mechanism 1, and a nut blank feeding mechanism 3 connected to the nut blank feeding mechanism 2. It also includes a locking plate feeding mechanism distributed on one side of the locking plate feeding mechanism 1, and a feeding and riveting mechanism 6 for feeding and riveting the nut blank b and locking plate c. Furthermore, the feeding and riveting mechanism 6 includes a multi-station feeding turntable 5 for feeding the nut blank b and locking plate c separately before riveting, and a mechanism for riveting the locking plate c onto the nut blank b. The riveting mechanism 6 and the locking plate feeding mechanism involve the locking plate feeding channel 4, the locking plate vibration mechanism 10 and the locking plate pushing mechanism 8. The locking plate feeding channel 4 mainly involves the channel body 41 and the locking plate feeding port 42 and the locking plate discharging port 43 distributed on the channel body 41. The locking plate discharging port 43 is located on one side of the locking plate pushing mechanism 8, and the other side of the locking plate pushing mechanism 8 faces the multi-station loading turntable 5. The locking plate feeding port 42 is located on one side of the locking plate feeding mechanism 1, and the locking plate vibration mechanism 10 is connected to the channel body 41.

[0033] Therefore, when a fully automatic riveting machine is used for riveting between the nut blank b and the locking piece c, the nut blank b can be automatically fed to the multi-station loading turntable 5 via the nut blank feeding mechanism 2 and the nut blank feeding mechanism 3. At the same time, the locking pieces c enter the locking piece feeding port 42 one by one through the locking piece feeding mechanism 1, and then simultaneously enter the channel body 41. Then, the locking piece vibration mechanism 10 vibrates the locking piece feeding channel 4 as a whole outside the channel body 41, so that the locking pieces c arranged one by one in the channel body 41 can be connected to the locking piece feeding port 42. The locking plate vibration mechanism 10 discharges material towards the locking plate outlet 43 of the channel body 41. After the locking plate c enters the locking plate pushing mechanism 8, when the multi-station feeding turntable 5 rotates and moves the nut blank b to the position facing the locking plate pushing mechanism 8, the locking plate vibration mechanism 10 automatically pushes the locking plate c onto the nut blank b. Then, the multi-station feeding turntable 5 rotates to one side of the riveting mechanism 6. Finally, the riveting mechanism 6 automatically rivets the metal plate onto the nut, thus completing the forming of the anti-loosening nut.

[0034] Furthermore, when using the fully automatic riveting machine involved in this utility model, compared with the existing semi-automatic (the "automatic" in the semi-automatic part refers to automated riveting) method, it can greatly reduce the labor intensity (eliminating the process of manually pulling the pressure rod to rivet), and the riveting speed can be increased from 65 to 75 pieces per minute in the semi-automatic method to 80 to 90 pieces per minute. At the same time, when using the fully automatic riveting machine for metal sheets, it feeds the locking sheets c one by one into the locking sheet feeding channel 4 through the locking sheet feeding port 42, and after feeding, the action of the vibrator on the locking sheet feeding channel 4 is used to achieve the one-by-one feeding of the locking sheets c. Moreover, the locking sheets c in the locking sheet feeding channel 4 can avoid stacking, blockage and other situations through the action of the vibrator.

[0035] This invention also solves the problem that, since the locking plate c is only 3-5mm thick, and during feeding, it is required that there be no stacking and that it be placed in the center of the nut without being too far off. If the existing mature automatic riveting machine for nylon locking plates c is used, the metal locking plates c are very easy to stack, and it is difficult to separate the stacked layers. They are also prone to magnetization. In addition, the fully automatic riveting machine involved in this utility model is horizontally fed. Compared with the existing vertical feeding method, the riveting mechanism 6 can be upgraded and used by most of the old riveting machines.

[0036] like Figure 1-9 As shown, the locking plate pushing mechanism 8 includes a transverse pushing mechanism 81 and a longitudinal pushing mechanism 82, each with a locking plate channel a built-in. The longitudinal pushing mechanism 82 is located in the outlet area 813 of the locking plate channel a of the transverse pushing mechanism 81. The feeding port 823 of the locking plate channel a of the longitudinal pushing mechanism 82 is connected to the multi-station loading turntable 5. The transverse pushing mechanism 81 and the longitudinal pushing mechanism 82 are arranged in an L-shape on one side of the multi-station loading turntable 5, which allows the material to pass through the locking plate feeding channel 4. The locking piece c, which is discharged from the locking piece outlet 43, can be reliably pushed onto the multi-station loading turntable 5 after being composed of a transverse pushing mechanism 81 and a longitudinal pushing mechanism 82. By adopting an L-shaped distribution of the transverse pushing mechanism 81 and the longitudinal pushing mechanism 82 on one side of the multi-station loading turntable 5, the adaptability of each mechanism on the side of the loading and riveting mechanism 6 to the display space can be improved, so that the applicable riveting mechanism 6 can be adapted to any riveting equipment for operation.

[0037] like Figure 1-2As shown in Figure 4-9, the multi-station feeding turntable 5 includes multiple nut blank feeding areas 51. The feeding port 823 of the locking plate channel a of the longitudinal pushing mechanism 82 and the riveting part 61 of the riveting mechanism 6 on the end of the nut blank feeding mechanism 3 that is away from the nut blank feeding mechanism 2 are arranged sequentially according to the rotation direction of the multi-station feeding turntable 5. This design allows for convenient feeding of nut blanks b fed by the nut blank feeding mechanism 3. That is, during the rotation of the multi-station feeding turntable 5, nut blanks b can be fed one by one as they pass by one side of the nut blank feeding mechanism 3. When the preform feeding area 51 rotates with the multi-station feeding turntable 5 to the side of the feeding port 823 of the locking plate channel a of the longitudinal pushing mechanism 82, the longitudinal pushing mechanism 82 can perform a pushing action to push the locking plate c out from the feeding port 823 of the locking plate channel a and push it onto the nut blank b in the nut blank feeding area 51. After the multi-station feeding turntable 5 rotates, when it rotates to the side of the riveting part 61 of the riveting mechanism 6, the riveting mechanism 6 can perform automated riveting of the locking plate c onto the nut, thereby further realizing the reliability of the design and drive of this utility model.

[0038] like Figure 1 , 3 As shown, a locking plate detection mechanism 7 is designed to detect whether a single locking plate c has been placed on the nut blank b, between the feeding port 823 of the locking plate channel a of the longitudinal pushing mechanism 82, which is arranged sequentially according to the rotation direction of the multi-station feeding turntable 5, and the riveting part 61 of the riveting mechanism 6. This design allows the riveting machine to further ensure the reliable riveting process during subsequent riveting by utilizing the locking plate detection mechanism 7, thus avoiding the occurrence of air pressure and ensuring the reliability of the design of this utility model.

[0039] like Figure 1-2As shown in Figure 4-9, the transverse pushing mechanism 81 includes a transverse feeding area 812 connected to the locking plate outlet 43 and a transverse drive source 811 for driving the transverse feeding area 812 to perform a pushing action. The longitudinal pushing mechanism 82 includes a longitudinal feeding area 813 connected to the outlet of the locking plate channel a of the transverse pushing mechanism 81 and a longitudinal drive source 821 for driving the longitudinal feeding area 813 to perform a pushing action. Through the transverse drive source 811, the locking plate c is driven to perform a transverse pushing action towards the outlet direction of the locking plate channel a of the transverse pushing mechanism 81. The locking piece c enters the longitudinal feeding area 813 through the outlet of the locking piece channel a of 1. The locking piece c is driven to move longitudinally towards the feeding port 823 of the locking piece channel a of the longitudinal pushing mechanism 82 by the longitudinal drive source 821. The transverse drive source 811 is a transverse thrust cylinder and the longitudinal drive source 821 is a longitudinal thrust cylinder. The locking piece c can enter the locking piece pushing mechanism 8 through the locking piece discharge port 43 of the locking piece feeding channel 4 and be reliably pushed inside the locking piece pushing mechanism 8, and then perform the subsequent reliable feeding action on the multi-station feeding turntable 5.

[0040] like Figure 1-2 As shown in Figures 4-5, the transverse feeding area 812 of the transverse pushing mechanism 81 is designed with a locking plate detector 9. The locking plate detector 9 can detect whether a locking plate c has entered the transverse feeding area 812 of the transverse pushing mechanism 81 at the locking plate outlet 43. This makes the riveting machine more intelligent and reliable, and prevents work chaos. It also avoids the riveting machine failing to sense whether the locking plate c has entered the locking plate pushing mechanism 8, thus ensuring the automated pushing operation of the locking plate c part of this utility model.

[0041] like Figure 1-2 As shown in Figures 4-9, the locking plate feeding channel 4 also includes a locking plate guide plate 44 disposed on the channel body 41. The locking plate feeding ports 42 on the channel body 41 are distributed between the locking plate guide plate 44 and the feeding area 11 of the locking plate feeding mechanism 1. Among the locking plates c fed through the feeding area 11 of the locking plate feeding mechanism 1, the locking plates c that do not enter the locking plate feeding port 42 fall back into the locking plate feeding mechanism 1 through the locking plate guide plate 44. This design makes it less likely that when the locking plate feeding mechanism 1 feeds into the locking plate feeding channel 4, some locking plates c that do not enter the locking plate feeding port 42 will accidentally fall outside the locking plate feeding mechanism 1, thereby further ensuring the reliability of the design of this utility model.

[0042] like Figure 1-2As shown in Figure 4-9, the locking plate inlet 42 of the channel body 41 is a locking plate entry hole opened in the direction of the feeding area 11 adjacent to the locking plate feeding mechanism 1. Through the locking plate entry hole, the locking plate c, which has been sorted and fed laterally by the locking plate feeding mechanism 1, falls vertically into the locking plate entry hole. A strip-shaped channel 411 for a single locking plate c to pass through is opened in the channel body 41 from the locking plate inlet 42 to the locking plate outlet 43. Since the locking plate c is a structure that is matched with a nut for use, that is, the thread end of a general nut is mostly Since the surface is circular, in order to ensure that the locking piece c reliably limits the nut, a corresponding annular groove is opened on the nut at the position corresponding to the locking piece c. The structure of the corresponding locking piece c is generally a thin metal annular sheet that fits into the annular groove. Thus, by setting the locking piece inlet 42 as the locking piece inlet hole, it can be ensured that the thin metal annular sheet can enter the locking piece inlet channel 4 more easily. And by designing the strip groove channel 411, the locking piece c fed by the locking piece vibration mechanism 10 can move reliably in the strip groove channel 411.

Claims

1. A fully automatic metal sheet anti-loosening nut pressing and riveting machine, comprising a nut blank feeding mechanism and a locking plate feeding mechanism, characterized in that: The riveting machine also includes a nut blank feeding mechanism connected to the nut blank feeding mechanism, a lock piece feeding mechanism distributed on one side of the lock piece feeding mechanism, and a feeding and riveting mechanism for feeding and riveting the nut blank and lock piece. The feeding and riveting mechanism includes a multi-station feeding turntable for feeding the nut blank and lock piece separately before riveting, and a riveting mechanism for riveting the lock piece and the nut blank. The nut blank feeding mechanism extends toward the multi-station feeding turntable relative to the side connected to the nut blank feeding mechanism. The locking plate feeding mechanism includes a locking plate feeding channel, a locking plate vibration mechanism, and a locking plate pushing mechanism. The locking plate feeding channel includes a channel body, a locking plate inlet and a locking plate outlet distributed on the channel body. The locking plate outlet is located on one side of the locking plate pushing mechanism, and the other side of the locking plate pushing mechanism faces the multi-station feeding turntable. The locking plate feed port is located on one side of the locking plate feeding mechanism. Through the locking plate feed port, the locking plate feeding mechanism is used only for each locking plate to enter the channel body one by one. The locking plate vibration mechanism is connected to the channel body, and each locking plate of the channel body moves towards the end of its locking plate discharge port of the channel body through vibration and enters the locking plate pushing mechanism one by one.

2. The fully automatic metal sheet anti-loosening nut pressing and riveting machine according to claim 1, characterized in that: The locking plate pushing mechanism includes a transverse pushing mechanism and a longitudinal pushing mechanism, each with a built-in locking plate channel. The longitudinal pushing mechanism is located in the outlet area of ​​the locking plate channel of the transverse pushing mechanism, and the feeding port of the locking plate channel of the longitudinal pushing mechanism is connected to a multi-station feeding turntable.

3. The fully automatic metal sheet anti-loosening nut pressing and riveting machine according to claim 2, characterized in that: The multi-station feeding turntable includes multiple nut blank feeding areas. The feeding port of the locking plate channel of the longitudinal pushing mechanism, the feeding port of the nut blank feeding mechanism, and the riveting part of the riveting mechanism are distributed sequentially according to the rotation direction of the multi-station feeding turntable.

4. The fully automatic metal sheet anti-loosening nut pressing and riveting machine according to claim 3, characterized in that: Between the feeding port of the locking plate channel of the longitudinal pushing mechanism, which is arranged sequentially according to the rotation direction of the multi-station feeding turntable, and the riveting part of the riveting mechanism, there is a locking plate detection mechanism for detecting whether a single locking plate has been formed and placed on the nut blank.

5. The fully automatic metal sheet anti-loosening nut pressing and riveting machine according to claim 2 or 3, characterized in that: The lateral pushing mechanism includes a lateral feeding area connected to the locking plate outlet and a lateral drive source for driving the lateral feeding area to perform a pushing action. The longitudinal pushing mechanism includes a longitudinal feeding area connected to the outlet of the locking plate channel of the lateral pushing mechanism and a longitudinal drive source for driving the longitudinal feeding area to perform a pushing action. Through the lateral drive source, the locking plate is driven to perform a lateral pushing action towards the outlet direction of the locking plate channel of the lateral pushing mechanism. The locking plate enters the longitudinal feeding area through the outlet of the locking plate channel of the lateral pushing mechanism. Through the longitudinal drive source, the locking plate is driven to perform a longitudinal pushing action towards the feed port direction of the locking plate channel of the longitudinal pushing mechanism.

6. The fully automatic metal sheet anti-loosening nut pressing and riveting machine according to claim 5, characterized in that: The transverse feeding area of ​​the transverse pushing mechanism is equipped with a locking plate detector. The locking plate detector is used to detect whether a locking plate has entered the transverse feeding area of ​​the transverse pushing mechanism at the locking plate outlet.

7. The fully automatic metal sheet anti-loosening nut pressing and riveting machine according to claim 2, 3 or 4, characterized in that: The locking plate feeding channel also includes a locking plate guide plate provided on the channel body. The locking plate feeding ports on the channel body are distributed between the locking plate guide plate and the feeding area of ​​the locking plate feeding mechanism. Among the locking plates fed through the feeding area of ​​the locking plate feeding mechanism, the locking plates that do not enter the locking plate feeding port fall back into the locking plate feeding mechanism through the locking plate guide plate.

8. The fully automatic metal sheet anti-loosening nut pressing and riveting machine according to claim 7, characterized in that: The locking plate inlet of the channel body is a locking plate entry hole opened in the direction of the feeding area adjacent to the locking plate feeding mechanism. Through the locking plate entry hole, the locking plate, which has been sorted and fed horizontally by the locking plate feeding mechanism, falls vertically into the locking plate entry hole.

9. The fully automatic metal sheet anti-loosening nut pressing and riveting machine according to claim 2, 3, 4, 6 or 8, characterized in that: The channel body has a strip-shaped channel for a single locking piece to pass through between the locking piece inlet and the locking piece outlet. The transverse pushing mechanism and the longitudinal pushing mechanism are distributed in an L-shape on one side of the multi-station loading turntable.

10. The fully automatic metal sheet anti-loosening nut pressing and riveting machine according to claim 6, characterized in that: The lateral drive source is a lateral thrust cylinder, the longitudinal drive source is a longitudinal thrust cylinder, the multi-station feeding turntable is a riveting machine disc, and the locking plate vibration mechanism is a vibrator installed outside the locking plate feeding channel.

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