Automatic riveting and pressing spring machine

By designing an automatic riveting spring press, using components such as rotating mechanism and conveying mechanism to realize mechanized riveting of yoke and pressure spring, the inefficiency and deformation problems caused by manual assembly are solved, and the riveting accuracy and production efficiency are improved.

CN120015570BActive Publication Date: 2025-07-18NINGBO SONGLE RELAY CO LTD

Patent Information

Application Number
CN202510469938.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2025-07-18
Estimated Expiration
2045-04-15

AI Technical Summary

Technical Problem

In the prior art, the assembly of yokes and reeds mainly relies on manual operations, resulting in low production efficiency and prone to deformation and joint removal problems after riveting.

Method used

An automatic riveting spring press machine is designed, including a rotating mechanism, a conveying mechanism, a downward pressure assembly and a riveting assembly. The precise positioning and riveting of the yoke and the pressure spring are realized through mechanized methods. The rotation mechanism is used to drive the coordination of the positioning assembly and the downward pressure assembly to ensure the accurate docking and fixation of the yoke and the pressure spring.

Benefits of technology

The riveting efficiency of the yoke and the compression spring is improved, the possibility of deformation and disconnection after riveting is reduced, and the efficiency and quality of relay production is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application discloses an automatic riveting and spring-loading machine, which relates to the technical field of relay assembly. It includes a frame, on which a rotating mechanism is arranged. The rotating mechanism is provided with a number of positioning components for placing yokes and springs. On one side of the rotating mechanism of the frame, there are two conveying mechanisms respectively for conveying yokes and springs to the positioning components. Between the conveying mechanisms of the frame, there is a downward pressing component for fixing the yokes in the positioning components. On the side of the frame far from the conveying mechanisms, there is a riveting component for riveting the yokes and springs. The positioning component rotates to the lower part of the conveying mechanism to place the yoke, and the yoke is fixed by the downward pressing component. The spring is placed above the yoke and connected to the yoke by the conveying mechanism for conveying the spring. As the rotating mechanism continues to rotate, the positioning component is moved to the lower part of the riveting component to rivet the spring and the yoke, improving the riveting efficiency of the yoke and the spring and reducing the possibility of deformation and separation of the yoke and the spring after riveting.
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Description

Technical Field

[0001] This application relates to the technical field of relay assembly, and particularly to an automatic riveting and pressing spring machine. Background Art

[0002] The yoke is one of the components on the electromagnet. Generally, in an electromagnetic servo mechanism, the armature of the relay, that is, the moving iron core attracted by the electromagnet, is located at the center of the coil, and the magnetic energy of the electromagnetic coil cannot be fully utilized. When a yoke, that is, a stationary iron core, is added, the yoke and the armature form a closed magnetic circuit, enclosing the magnetic lines of force generated by the electromagnetic coil inside, so that the magnetic energy is fully utilized and the efficiency of the electromagnet reaches the highest.

[0003] Contacts need to be riveted on the reed riveted to the yoke, and the riveting accuracy of the contacts is extremely important in the production process of the relay, which will directly affect the production efficiency and electrical performance of the product. At present, in the relay manufacturing industry, the shrapnel, bottom film, middle film, and top film are fixed together through the contacts. Usually, the products are assembled by manual riveting and assembly, and then put into the riveting equipment for riveting.

[0004] Regarding the above related technologies, the inventor believes that the manual assembly of the yoke and the reed results in a low production efficiency of the product, and the yoke and the reed are deformed and separated after riveting. Summary of the Invention

[0005] The purpose of this application is to provide an automatic riveting and pressing spring machine to improve the problem that the manual assembly of the yoke and the reed results in a low production efficiency of the product, and the yoke and the reed are deformed and separated after riveting.

[0006] The automatic riveting and pressing spring machine provided by this application adopts the following technical solutions:

[0007] The automatic riveting and pressing spring machine includes a frame. A rotating mechanism is arranged on the frame. The rotating mechanism is provided with a plurality of positioning components for placing the yoke and the pressing spring. On one side of the rotating mechanism of the frame, there are two conveying mechanisms respectively used for conveying the yoke and the pressing spring to the positioning components. Between the two conveying mechanisms of the frame, there is a pressing component for fixing the yoke in the positioning component. On the side of the frame far from the conveying mechanism, there is a riveting component for riveting the yoke and the pressing spring.

[0008] By adopting the above technical scheme, a rotating mechanism is installed on the frame, and the positioning assembly is arranged around the rotating mechanism. The positioning assembly moves to the position of the conveying mechanism with the rotation of the rotating mechanism and the conveying yoke, the yoke is placed in the positioning assembly, the yoke is positioned by the positioning assembly, and the yoke is fixed by the pressing assembly; the compression spring is placed above the yoke on the positioning assembly by the conveying mechanism of the next conveying compression spring, so that the compression spring is connected to the yoke, and as the rotating mechanism continues to rotate, the yoke and the compression spring are moved to the position of the riveting assembly to rivet the compression spring and the yoke, thereby improving the riveting efficiency of the yoke and the compression spring, and reducing the possibility of deformation and separation of the yoke and the compression spring after riveting.

[0009] Optionally, the rotating mechanism includes a turntable and a rotating assembly connected to a frame, the edge position of the turntable is connected to a positioning assembly, the rotating assembly includes a gear commutator connected to the frame, the input shaft of the gear commutator is connected to a driving member connected to the frame through a belt drive, the output shaft of the gear commutator is fixedly connected to the turntable, the input shaft of the gear commutator is fixedly connected to a cam, and the gear commutator is located on one side of the cam and is connected to a signal sensor electrically connected to a conveying mechanism.

[0010] By adopting the above technical solution, a driving member is arranged on the frame, and the driving member is used to drive the gear commutator arranged on the frame to rotate. The gear commutator drives the turntable to rotate, so that the turntable drives the positioning assembly to rotate, and the yoke is placed on the positioning assembly in turn, and the compression spring is placed on the yoke. The yoke rotates to the position of the riveting assembly with the turntable, and the yoke and the compression spring are riveted; a cam is fixedly connected to the input shaft of the gear commutator, and the cam contacts the signal sensor through the rotation of the input shaft, and is electrically connected to the conveying mechanism through the signal sensor, so as to control the speed of the yoke and the compression spring under the conveying mechanism to prevent the yoke from being misaligned with the rotating positioning assembly.

[0011] Optionally, the positioning assembly includes a mounting plate on the outer ring of the turntable for placing a yoke, a positioning groove is provided on the side of the mounting plate close to the turntable, a positioning rod connected to the turntable is inserted in the positioning groove, and a fixing groove 1 is provided on the side of the mounting plate away from the turntable, and the fixing groove 1 is in contact with the extended part of the yoke.

[0012] By adopting the above technical scheme, a mounting plate is arranged at the edge around the turntable, a positioning groove is opened on the side of the mounting plate close to the turntable, a positioning rod is inserted into the positioning groove and connected to the turntable, and the mounting plate is positioned to prevent the mounting plate from being misaligned with the conveying mechanism, the pressing assembly, and the riveting assembly, thereby preventing the riveting of the yoke and the compression spring from being affected, and at the same time, when the mounting plate is damaged, it is convenient to replace the mounting plate; a fixing groove 1 is opened at the end of the mounting plate away from the turntable, the yoke is placed on the mounting plate, and the extension of the yoke fits with the inner wall of the fixing groove 1, so that the yoke can be stably placed on the mounting plate.

[0013] Optionally, a fixing plate is provided on the side of the mounting plate away from the turntable, the fixing plate is provided with a second fixing groove that fits with the side wall of the yoke, and the fixing plate is provided with connecting grooves that penetrate the mounting plate on both sides of the second fixing groove.

[0014] By adopting the above technical scheme, a fixing plate is arranged on the side of the mounting plate away from the turntable, and a second fixing groove which fits with the side wall of the yoke is opened on the fixing plate to fix the yoke to prevent the yoke from being separated from the mounting plate when the turntable rotates, thereby affecting the subsequent installation of the compression spring. Connecting grooves are opened on both sides of the fixing groove second on the fixing plate, and the connecting grooves penetrate the mounting plate so that the yoke and the compression spring after riveting can be clamped by the robot arm through the connecting grooves, so that the mounting plate on the turntable can be vacated more quickly after the yoke and the compression spring are riveted, which is convenient for the subsequent placement of the yoke and improves the processing efficiency of the product.

[0015] Optionally, the conveying mechanism includes a connecting suction cup for adsorbing a yoke and a compression spring, a guide assembly for driving the connecting suction cup up and down and moving toward the mounting plate, the guide assembly includes a fixed frame 1 connected to the frame and extending upward, the fixed frame 1 is connected to a fixed frame 2 at one end away from the turntable, a connecting frame is slidably connected to one side of the fixed frame 2, and a driving member 2 is connected to one end of the fixed frame 2 for driving the connecting frame to move toward the mounting plate; a supporting frame is slidably connected to the side of the connecting frame away from the fixed frame 2, a driving member 3 is connected to one end of the connecting frame for driving the supporting frame to move up and down and is electrically connected to the signal sensor, and the support frame is hollow at one end close to the turntable and is in communication with the connecting suction cup.

[0016] By adopting the above technical scheme, a fixing frame 1 is arranged on the frame, and a fixing frame 2 is fixed at the end of the fixing frame 1 away from the turntable. The connecting frame is driven to move toward the mounting plate on the fixing frame 2 by a driving member 2 arranged on the fixing frame 2, and a driving member 3 is arranged on the connecting frame. The supporting frame is driven to move up and down by the driving member 3, and a negative pressure is generated by connecting an air suction hose to the hollow supporting frame to exhaust air, so that the connecting suction cup arranged on the supporting frame adsorbs the yoke or the compression spring, and the yoke or the compression spring is transported to the mounting plate; the driving member 3 is electrically connected to the signal sensor, so that the driving member 3 drives the supporting frame to move downward to lower the yoke or the compression spring after the turntable has finished rotating, so as to prevent the yoke and the compression spring from being misaligned with the mounting plate.

[0017] Optionally, limit rods that abut against the connecting frame are provided at both ends of the second fixing frame, an elastic member is provided between the limit rod and the side wall of the second fixing frame, and travel switches corresponding to the connecting frame are provided at both ends of the second fixing frame, and the travel switch is electrically connected to the second driving member.

[0018] By adopting the above technical scheme, limit rods are arranged at both ends of the second fixing frame. When the second driving member drives the connecting frame to move back and forth, the limit rods are abutted against the limit rods. The elastic member arranged on the limit rods contracts to buffer the connecting frame and prevent the yoke or compression spring adsorbed and fixed on the connecting suction cup from detaching. Travel switches are arranged at both ends of the second fixing frame. The position of the connecting frame is detected by the travel switches, and the second driving member is controlled to drive the connecting frame to move, so as to drive the connecting suction cup to move to just above the first fixing groove opened on the mounting plate, so as to prevent the yoke or compression spring from being offset from the mounting plate when being lowered.

[0019] Optionally, the pressing assembly includes a pressing rod corresponding to a yoke placed on a mounting plate on the turntable, and the frame is connected with a fixing frame three extending upward, and the fixing frame three is connected with a driving member four connected to the pressing rod and driving the pressing rod to abut against the yoke.

[0020] By adopting the above technical solution, the fixed frame three is connected to the frame, and a driving member four is connected to the fixed rod. The driving member four drives the pressure rod to press down the yoke on the turntable, and the extended part of the yoke is pressed tightly in the fixed groove one, so that the yoke is in stable contact with the mounting plate, preventing the yoke from warping on the mounting plate and causing deformation during the subsequent riveting of the yoke and the compression spring.

[0021] Optionally, the fixing frame three is located below the mounting plate and is connected to a support rod one corresponding to the yoke. The fixing frame three is also located below the mounting plate and is provided with a driving component four which is connected to the support rod one and drives the support rod one to resist the yoke. The pressure rod and one end of the support rod one close to the yoke are both provided with soft rubber pads.

[0022] By adopting the above technical solution, a driving component four is arranged on the turntable to drive the pressure rod close to the yoke. The driving component four drives the support rod one to be close to the yoke and to resist the yoke. When the pressure rod is pressed down, the yoke is supported to prevent the yoke from being deformed under the action of the pressure rod. By arranging soft rubber pads at one end of the pressure rod and the support rod one close to the yoke, the structure of the yoke is prevented from being deformed during extrusion.

[0023] Optionally, the riveting assembly includes a riveting rod that is abutted against a yoke and a compression spring placed on the mounting plate, and the frame is provided with a mounting frame on one side of the mounting plate where the yoke and the compression spring are placed, and the mounting frame is provided with a driving member five connected to the riveting rod above the mounting plate.

[0024] By adopting the above technical solution, a mounting frame is connected to the frame, and a driving component five is connected to the mounting frame above the mounting plate. The driving component five drives the riveting rod to approach the yoke placed on the mounting plate on the turntable, so that the end of the riveting rod abuts against the protrusion on the yoke, and the yoke and the compression spring are riveted, thereby improving the riveting efficiency of the yoke and the compression spring.

[0025] Optionally, the mounting frame is provided with a support rod 2 corresponding to the yoke iron below the mounting plate, and the mounting frame is also provided with a driving member 5 connected to the support rod 2 and driving the support rod 2 to abut against the yoke iron below the mounting plate.

[0026] By adopting the above technical solution, a support rod 2 is arranged on the mounting frame below the mounting plate, and a driving member 5 located below the mounting plate drives the support rod 2 to move toward the yoke and resist the yoke to support the yoke, thereby preventing the yoke and the compression spring from deforming when the riveting rod is pressed down during the riveting process, thereby causing separation.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] 1. Limit rods are arranged at both ends of the second fixing frame. When the second driving member drives the connecting frame to move back and forth, the limit rods are abutted against the limit rods. The elastic member arranged on the limit rods contracts to buffer the connecting frame and prevent the yoke or compression spring adsorbed and fixed on the connecting suction cup from being separated. A travel switch is arranged at both ends of the second fixing frame. The position of the connecting frame is detected by the travel switch, and the second driving member is controlled to drive the connecting frame to move, so as to drive the connecting suction cup to move to the top of the fixing groove 1 opened on the mounting plate, so as to prevent the yoke or compression spring from being staggered with the mounting plate when being lowered.

[0029] 2. The fixing frame 3 is connected to the frame, and a driving member 4 is connected to the fixing rod. The driving member 4 drives the pressure rod to press down the yoke on the turntable, and the extended part of the yoke is pressed tightly in the fixing groove 1, so that the yoke is in stable contact with the mounting plate, and the yoke is prevented from tilting on the mounting plate, so that the yoke is deformed when the yoke and the compression spring are subsequently riveted; the fixing frame 3 is provided with a driving member 4 on the turntable to drive the pressure rod close to the yoke, and the driving member 4 drives the support rod 1 close to the yoke to abut against the yoke, and the yoke is supported when the pressure rod is pressed down to prevent the yoke from being deformed under the action of the pressure rod; a soft rubber pad is provided at one end of the pressure rod and the support rod 1 close to the yoke, so that the structure of the yoke is prevented from being deformed during extrusion;

[0030] 3. A mounting frame is connected to the frame, and a driving member five is connected to the mounting frame above the mounting plate. The driving member five drives the riveting rod to approach the yoke placed on the mounting plate on the turntable, so that the end of the riveting rod abuts against the protrusion on the yoke, and the yoke and the compression spring are riveted, thereby improving the riveting efficiency of the yoke and the compression spring; a support rod two is provided on the mounting frame below the mounting plate, and the driving member five located below the mounting plate drives the support rod two to move toward the yoke until it abuts against the yoke, thereby supporting the yoke, thereby preventing the yoke and the compression spring from deforming when the riveting rod is pressed down during the riveting, thereby causing deformation and separation. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 1 is an overall schematic diagram of an automatic riveting spring machine in an embodiment;

[0032] Figure 2 It is a partial schematic diagram of an automatic riveting and pressing spring machine;

[0033] Figure 3 is Figure 2 a partial enlarged view of part A in

[0034] Figure 4 It is a partial schematic diagram of the conveying mechanism of an automatic riveting and pressing spring machine.

[0035] In the figure, 1 is the frame; 2 is the rotating mechanism; 21 is the turntable; 211 is the positioning rod; 22 is the rotating component; 221 is the gear commutator; 222 is the first driving part; 223 is the cam; 224 is the signal sensor; 3 is the positioning component; 31 is the mounting plate; 311 is the positioning groove; 312 is the first fixing groove; 32 is the fixing plate; 321 is the second fixing groove; 322 is the communication groove; 4 is the yoke; 5 is the compression spring; 6 is the conveying mechanism; 61 is the connecting suction cup; 62 is the guiding component; 621 is the first fixing frame; 622 is the second fixing frame; 623 is the connecting frame; 624 is the second driving part; 625 is the supporting frame; 626 is the third driving part; 627 is the limiting rod; 628 is the elastic component; 629 is the travel switch; 7 is the downward pressing component; 71 is the pressing rod; 72 is the third fixing frame; 73 is the fourth driving part; 74 is the first supporting rod; 75 is the soft rubber pad; 8 is the riveting component; 81 is the riveting rod; 82 is the mounting frame; 83 is the fifth driving part; 84 is the second supporting rod. Specific embodiments

[0036] The following will further describe the present application in detail with reference to the attached Figure 1 - attached Figure 4 drawings.

[0037] For the automatic riveting and pressing spring machine, referring to Figure 1 and Figure 2 , it includes a frame 1. The gear commutator 221 is fixed to the frame 1 with bolts. The input shaft and the output shaft of the gear commutator 221 are meshed and driven to reverse through bevel gears. The output shaft of the gear commutator 221 is fixedly connected to the turntable 21 of the rotating mechanism 2 with bolts. The first driving part 222 is fixed to the frame 1 with bolts. The first driving part 222 is a driving motor that is synchronously belt-driven to the input shaft of the gear commutator 221 through a belt pulley and a toothed belt, and forms a rotating component 22 with the gear commutator 221. The gear commutator 221 is driven by the first driving part 222 to drive the turntable 21 to rotate; The positioning components 3 are evenly installed at the edge position of the turntable 21. The yoke 4 and the compression spring 5 are sent to the positioning components 3 through the conveying mechanism 6 arranged on the frame 1, and the turntable 21 drives the positioning components 3 to rotate to the lower part of the downward pressing component 7 and the riveting component 8.

[0038] Referring to Figure 2 andFigure 3 At the edge position of the turntable 21, positioning rods 211 are evenly welded. An installation plate 31 is arranged at the edge position of the turntable 21. The positioning grooves 311 formed on the installation plate 31 are fitted with the positioning rods 211, so as to position and fix the installation plate 31 on the turntable 21. A first fixing groove 312 is formed on the installation plate 31. The yoke iron 4 is placed on the installation plate 31. The extending part at the end of the yoke iron 4 is fitted with the first fixing groove 312, enabling the yoke iron 4 to be stably placed on the installation plate 31. A fixing plate 32 is connected to the installation plate 31 by bolts. A second fixing groove 321 adapted to the side wall of the edge of the yoke iron 4 is formed on the fixing plate 32, so as to fix the yoke iron 4 on the installation plate 31 and prevent the yoke iron 4 from detaching from the installation plate 31. Communication grooves 322 that communicate with each other are formed on both sides of the installation plate 31 and the fixing plate 32 where the yoke iron 4 is located, enabling the yoke iron 4 to be directly clamped by the mechanical wall from the installation plate 31 after being riveted with the compression spring 5.

[0039] Refer to Figure 2 and Figure 4 Refer to

[0040] Refer to Figure 2 and Figure 4, limit rods 627 are fixed at both ends of the second fixing bracket 622. A spring serving as an elastic member 628 is fixedly connected between the limit rod 627 and the side wall of the second fixing bracket 622. When the second driving member 624 pushes the connecting frame 623 to reciprocate on the second fixing bracket 622, it abuts against the connecting frame 623 to limit the connecting frame 623; travel switches 629 are clamped at both ends of the second fixing bracket 622. The travel switches 629 are electrically connected to the second driving member 624. After the connecting frame 623 abuts against the limit rod 627, the travel switches 629 control the second driving member 624 to stop pushing the connecting frame 623; one end of the input shaft of the gear commutator 221 is connected with a cam 223 by a flat key. The collision-type signal sensor 224 is fixed to the side of the gear commutator 221 where the cam 223 is installed by bolts and contacts the cam 223. The signal sensor 224 is electrically connected to the third driving member 626. Each time the gear commutator 221 drives the mounting plate 31 on the turntable 21 to rotate by one position, the cam 223 pushes the signal sensor 224 once, so that the third driving member 626 pushes the support frame 625 to lower the yoke 4 or the compression spring 5 onto the mounting plate 31 after the turntable 21 rotates.

[0041] Refer to Figure 1 and Figure 3 , a third fixing bracket 72 extending upward is fixed to the frame 1 by bolts. The third fixing bracket 72 has integral metal plates on the upper and lower sides of the mounting plate 31. A fourth driving member 73 is fixed to the third fixing bracket 72 above the mounting plate 31 by bolts. The fourth driving member 73 is a small driving cylinder. A pressing rod 71 is fixedly connected to the driving rod of the fourth driving member 73 by bolts. The pressing rod 71 abuts against the yoke 4 placed on the mounting plate 31. The fourth driving member 73 drives the pressing rod 71 to move downward to press the extension part of the yoke 4 into the fixing groove 312 of the mounting plate 31 for fixation, preventing the yoke 4 from shifting; a fourth driving member 73 is also fixed to the third fixing bracket 72 below the mounting plate 31. A first support rod 74 is fixedly connected to the driving rod of the fourth driving member 73 by bolts. Rubber soft pads 75 are fixed to the first support rod 74 and the pressing rod 71. The fourth driving member 73 located below the mounting plate 31 drives the first support rod 74 to move upward to abut against the yoke 4 to support the yoke 4 and prevent the yoke 4 from deforming.

[0042] Refer to Figure 1 and Figure 2, on the rack 1, the mounting bracket 82 of the riveting assembly 8 is fixed by bolts. Above the mounting plate 31, the driving member five 83 is fixedly connected to the mounting bracket 82 by bolts. The driving member five 83 is a double-headed hydraulic cylinder. On the driving rod of the driving member five 83, a riveting rod 81 corresponding to the yoke 4 and the compression spring 5 on the mounting plate 31 is connected by bolts; below the mounting plate 31, the driving member five 83 is also mounted on the mounting bracket 82. The metal support rod two 84 is clamped on the driving rod of the driving member five 83 below the mounting plate 31. When riveting the yoke 4 and the compression spring 5, the driving member five 83 simultaneously drives the riveting rod 81 and the support rod two 84 to approach the yoke 4. The yoke 4 is supported by the support rod two 84, and the riveting rod 81 rivets the compression spring 5 to the yoke 4.

[0043] The implementation principle of the embodiment of this application is as follows:

[0044] Start the driving member one 222 to drive the gear commutator 221 through the synchronous belt to drive the turntable 21 to rotate, and turn the vacant mounting plate 31 on the turntable 21 to the position of the conveying mechanism 6 for conveying the yoke 4. After the connecting suction cup 61 on the support frame 625 adsorbs and fixes the yoke 4, the driving member two 624 drives the connecting frame 623 to approach the mounting plate 31. After the connecting suction cup 61 is directly above the fixing groove one 312 on the mounting plate 31, the driving member three 626 drives the support frame 625 to move downward, and places the yoke 4 on the mounting plate 31; then the turntable 21 continues to rotate, and rotates the mounting plate 31 with the yoke 4 to directly below the pressing rod 71. The driving member four 73 drives the pressing rod 71 to move downward close to the yoke 4, and the support rod one 74 moves upward to support the yoke 4, and presses the extending portion of the yoke 4 into the fixing groove one 312 on the mounting plate 31 to fix the yoke 4 and prevent the yoke 4 from shifting and deforming; then the turntable 21 rotates to bring the yoke 4 below the conveying mechanism 6 for conveying the compression spring 5. After the connecting suction cup 61 adsorbs and fixes the compression spring 5, the driving member two 624 drives the connecting suction cup 61 to move to directly above the yoke 4 on the mounting plate 31, and the driving member three 626 drives the connecting suction cup 61 to bring the compression spring 5 close to the yoke 4 on the mounting plate 31 to connect and fix the compression spring 5 to the protrusion on the yoke 4; the turntable 21 continues to rotate to rotate the mounting plate 31 to below the riveting rod 81. Drive the riveting rod 81 and the support rod two 84 to move towards the yoke 4 through the driving member five 83. The yoke 4 is supported by the support rod two 84, and the riveting rod 81 presses downward to rivet the yoke 4 and the compression spring 5, preventing the yoke 4 and the compression spring 5 from deforming during riveting and improving the production efficiency of the product.

[0045] The embodiments of this specific implementation manner are all preferred embodiments of this application, and do not limit the protection scope of this application accordingly. The same components are denoted by the same reference numerals. Therefore: All equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. Automatic riveting and pressing spring machine, characterized in that: It includes a frame (1), a rotating mechanism (2) is arranged on the frame (1), and several positioning components (3) for placing yoke cores (4) and compression springs (5) are arranged on the rotating mechanism (2). On one side of the rotating mechanism (2) of the frame (1), there are two conveying mechanisms (6) for respectively conveying the yoke cores (4) and the compression springs (5) to the positioning components (3). Between the two conveying mechanisms (6) of the frame (1), there is a pressing component (7) for fixing the yoke cores (4) in the positioning components (3). On the side of the frame (1) away from the conveying mechanisms (6), there is a riveting component (8) for riveting the yoke cores (4) and the compression springs (5). The rotating mechanism (2) includes a turntable (21) and a rotating component (22) connected and arranged on the frame (1). The edge position of the turntable (21) is connected to the positioning component (3). The rotating component (22) includes a gear commutator (221) connected to the frame (1). The input shaft of the gear commutator (221) is connected by a belt drive to a first driving member (222) connected to the frame (1). The output shaft of the gear commutator (221) is fixedly connected to the turntable (21). A cam (223) is fixedly connected to the input shaft of the gear commutator (221). On one side of the gear commutator (221) where the cam (223) is located, there is a signal sensor (224) connected and arranged to the conveying mechanism (6). The positioning component (3) includes a mounting plate (31) arranged on the outer circle of the turntable (21) for placing the yoke core (4). The conveying mechanism (6) includes a connecting suction cup (61) for adsorbing the yoke core (4) and the compression spring (5), and a guiding component (62) for driving the connecting suction cup (61) to move up and down and towards the mounting plate (31). The guiding component (62) includes a first fixing frame (621) connected to the frame (1) and extending upwards. At one end of the first fixing frame (621) away from the turntable (21), there is a second fixing frame (622) connected. On one side of the second fixing frame (622), there is a connecting frame (623) slidably connected. At one end of the second fixing frame (622), there is a second driving member (624) for driving the connecting frame (623) to move towards the mounting plate (31). On the side of the connecting frame (623) away from the second fixing frame (622), there is a supporting frame (625) slidably connected. At one end of the connecting frame (623), there is a third driving member (626) for driving the supporting frame (625) to move up and down and electrically connected to the signal sensor (224). The end of the supporting frame (625) close to the turntable (21) is hollow and communicates with the connecting suction cup (61).

2. The automatic riveting and pressing spring machine according to claim 1, wherein: On the side of the mounting plate (31) close to the turntable (21), there is a positioning groove (311), and a positioning rod (211) connected to the turntable (21) is inserted in the positioning groove (311). On the side of the mounting plate (31) away from the turntable (21), there is a first fixing groove (312), and the first fixing groove (312) is attached to the extending part of the yoke core (4).

3. The automatic riveting and pressing spring machine according to claim 2, wherein: On one side of the mounting plate (31) away from the turntable (21), a fixing plate (32) is provided. The fixing plate (32) is provided with a second fixing groove (321) that fits against the side wall of the yoke iron (4). The fixing plate (32) is provided with communication grooves (322) penetrating through the mounting plate (31) on both sides of the second fixing groove (321).

4. The automatic riveting and pressing spring machine according to claim 1, wherein: At both ends of the second fixing frame (622), limit rods (627) against the connecting frame (623) are provided. An elastic member (628) is provided between the limit rods (627) and the side wall of the second fixing frame (622). Travel switches (629) corresponding to the connecting frame (623) are provided at both ends of the second fixing frame (622). The travel switches (629) are electrically connected to the second driving member (624).

5. The automatic riveting and pressing spring machine according to claim 2, wherein: The pressing assembly (7) includes a pressing rod (71) corresponding to the yoke iron (4) placed on the mounting plate (31) on the turntable (21). The machine frame (1) is connected with an upward-extending third fixing frame (72). The third fixing frame (72) is connected with a fourth driving member (73) connected to the pressing rod (71) and driving the pressing rod (71) to abut against the yoke iron (4).

6. The automatic riveting and pressing spring machine according to claim 5, characterized in that: The third fixing frame (72) is connected with a first support rod (74) corresponding to the yoke iron (4) below the mounting plate (31). The third fixing frame (72) is also provided with the fourth driving member (73) connected to the first support rod (74) and driving the first support rod (74) to abut against the yoke iron (4) below the mounting plate (31). Soft rubber pads (75) are provided at one ends of the pressing rod (71) and the first support rod (74) close to the yoke iron (4).

7. The automatic riveting and pressing spring machine according to claim 2, characterized in that: The riveting assembly (8) includes a riveting rod (81) that abuts against the yoke iron (4) and the compression spring (5) placed on the mounting plate (31). The machine frame (1) is provided with a mounting frame (82) on one side of the mounting plate (31) where the yoke iron (4) and the compression spring (5) are placed. The mounting frame (82) is provided with a fifth driving member (83) connected to the riveting rod (81) above the mounting plate (31).

8. The automatic riveting and pressing spring machine according to claim 7, wherein: The mounting frame (82) is provided with a second support rod (84) corresponding to the yoke iron (4) below the mounting plate (31). The mounting frame (82) is also provided with the fifth driving member (83) connected to the second support rod (84) and driving the second support rod (84) to abut against the yoke iron (4) below the mounting plate (31).

Citation Information

Patent Citations

  • Seed thousand-grain weight meter based on machine vision

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    CN107895672A

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