Spring buckle automatic assembling machine

Abstract

The present application relates to a kind of spring buckle automatic assembly machine, including rack and the rotary table being set on rack, still include: fixed clamp, lock rod feeding mechanism, spring lock tongue feeding mechanism, hook body feeding mechanism and hook body assembly mechanism.The fixed clamp for fixing lock rod is directly set on rotary table and rotates with rotary table in the present application, while hook body assembly mechanism is set on rack and does not rotate with rotary table, spring with lock tongue is directly fed into the fixed clamp in front of hook body assembly mechanism, or spring is fed first and then lock tongue is directly fed into the fixed clamp in front of hook body assembly mechanism, finally, assembly is carried out by hook body assembly mechanism, so that, without moving lock rod after spring and lock tongue are assembled, avoid the situation that lock tongue and spring are offset during moving process, improve equipment assembly stability.

Description

Technical Field

[0001] This invention relates to the field of automated spring buckle assembly equipment, and more specifically to an automated spring buckle assembly machine. Background Technology

[0002] like Figure 17-18 As shown, the spring buckle mainly includes a hook body 130, a locking bar 100, a spring 110, and a locking tongue 120. During assembly, the spring 110 and locking tongue 120 must first be correctly inserted into the pin hole 101 of the locking bar 100. Then, the locking bar with the spring and locking tongue inserted is installed onto the hook body. The diameter of the pin hole is often slightly larger than the outer diameter of the spring. Therefore, after the spring and locking tongue (the cylindrical section of the locking tongue is inserted into the spring) are inserted into the pin hole, even a slight movement will cause the spring and locking tongue to tilt, and the locking tongue may even rotate arbitrarily, resulting in the locking tongue and spring becoming loose, making assembly impossible or producing defective products.

[0003] Existing spring buckle assembly machines typically involve first loading the hook body onto a clamp, then loading the spring and latch into the pin hole of the locking rod, and finally installing the locking rod into the hook body. This process requires transferring the locking rod with the loaded spring and latch from one station to the next, and so on, until it reaches the final assembly station where it is finally assembled onto the hook body. During turntable rotation, the spring and latch are prone to tilting, leading to assembly failures or defective products (see relevant technical literature in this field, such as the carabiner assembly device disclosed in application number 2013106107309). To address these technical problems, this application proposes an automatic spring buckle assembly machine that assembles the hook directly after the spring and latch are loaded. Summary of the Invention

[0004] To address the shortcomings of the prior art, the present invention provides an automatic spring buckle assembly machine.

[0005] The technical solution adopted in this invention is: an automatic spring buckle assembly machine, comprising a frame and a turntable mounted on the frame, and further comprising:

[0006] A fixing clamp is provided, which is spaced apart on the turntable and used to hold and fix the locking rod.

[0007] A locking bar feeding mechanism is used to feed the locking bar and transport it to a fixed fixture for clamping.

[0008] A spring-locking tongue feeding mechanism is used to directly feed and transfer the fitted spring and lock tongue to the locking pin hole on the fixed clamp in front of the hook assembly mechanism, or to first feed the spring into the locking pin hole of the fixed clamp and then directly feed the lock tongue to the spring in the fixed clamp in front of the hook assembly mechanism.

[0009] A hook feeding mechanism is mounted on the frame and is used to feed hooks and transport them to a designated position.

[0010] A hook assembly mechanism is mounted on a frame and is used to assemble hooks fed by the hook feeding mechanism with locking rods on a fixed clamp.

[0011] Furthermore, the locking rod feeding mechanism includes a locking rod direct vibration mechanism, a locking rod cylinder clamp disposed at the end of the feeding rail of the locking rod direct vibration mechanism, a horizontal and vertical moving mechanism for driving the locking rod cylinder clamp to move horizontally and vertically, and a positioning mechanism for positioning and aligning the locking rod.

[0012] Furthermore, the positioning mechanism has a raised step on the clamp of the locking rod cylinder clamp that matches the slot of the locking rod, and the raised step has clearance notches on both sides.

[0013] Furthermore, the positioning mechanism is a positioning plate provided above the clamp of the locking rod cylinder clamp for inserting the locking rod into a slot, and the positioning plate is fixed on the locking rod cylinder clamp.

[0014] Furthermore, the spring latch feeding mechanism includes a spring feeding mechanism and a latch feeding mechanism. The spring feeding mechanism includes a spring feeder, a conveying pipe connected to the discharge end of the spring feeder, a first spring pressing mechanism for pressing or releasing the spring at the front end of the conveying pipe, and a second spring pressing mechanism for pressing or releasing the second-to-last spring of the conveying pipe. The discharge port of the conveying pipe is located directly above the pin hole of the locking rod.

[0015] Furthermore, the latch feeding mechanism includes a latch direct vibration mechanism, a clamping and rotating assembly for clamping and rotating the latch, and a clamping and conveying mechanism. The clamping and conveying mechanism is used to clamp the latch after it has been rotated by the clamping and rotating assembly, and to convey the latch into the spring of the locking rod on the fixed clamp in front of the hook assembly mechanism.

[0016] Furthermore, the clamping and rotating assembly includes a first lifting cylinder fixed on the frame, a rotating cylinder connected to the output end of the first lifting cylinder, and a locking tongue cylinder clamp connected to the output end of the rotating cylinder.

[0017] Furthermore, the clamping and conveying mechanism includes a horizontal plate fixed to the frame via a clamping upright plate, a vertical plate slidably mounted on the horizontal plate via a slide rail slider assembly, a transverse cylinder fixed to the horizontal plate, a second lifting cylinder fixed to the vertical plate, a mounting plate slidably mounted on the vertical plate via a slide rail slider assembly, and a transfer fixture fixed to the mounting plate. The output end of the second lifting cylinder is connected to the mounting plate, and the output end of the transverse cylinder is connected to the vertical plate.

[0018] The transfer fixture includes a fixture base plate, a fixture cylinder fixed on the fixture base plate, a movable clamping foot slidably mounted on the fixture base plate via a slide rail slider assembly, and a fixed clamping foot fixed on the fixture base plate. The output end of the fixture cylinder is connected to the left clamping foot, and the inner end face of the fixed clamping foot is in contact with the flat end face of the locking tongue after it has been rotated by the clamping rotation assembly.

[0019] Furthermore, the hook feeding mechanism includes a hook direct vibration mechanism, a positioning plate disposed at the end of the feed rail of the hook direct vibration mechanism, a lifting cylinder fixedly disposed behind the positioning plate, a lifting plate connected to the output end of the lifting cylinder, a horizontal and vertical moving mechanism fixed on the frame, and a hook cylinder clamp disposed on the horizontal and vertical moving mechanism. The positioning plate is provided with a through-type "U" shaped groove for positioning. The lifting plate is disposed adjacent to the positioning plate, and the lifting plate is provided with a closed "U" shaped groove. When the hook is located in the closed "U" shaped groove, the flat connecting end on the hook is exposed in the closed "U" shaped groove, and the clamping point of the hook cylinder clamp is clamped on both sides of the flat connecting end.

[0020] Furthermore, the fixing fixture includes a base plate fixed on the turntable, a fixture upright plate fixed on the base plate, a clamping plate rotatably connected to the fixture upright plate, an "L-shaped" clamping block fixed on the fixture upright plate, and a fixture cylinder. One end of the clamping plate is rotatably connected to the output end of the fixture cylinder, and the other end has a clamping groove adapted to the locking rod. The end of the fixture cylinder away from the clamping plate is rotatably connected to the base plate. The locking rod is clamped between the "L-shaped" clamping block and the clamping groove. The bottom of the "L-shaped" clamping block has a padding plate.

[0021] Furthermore, the hook assembly mechanism includes a hook base plate fixedly mounted on the frame, a fixed plate slidably mounted on the hook base plate via a slide rail slider assembly, a forward-pushing cylinder fixed on the hook base plate, a movable plate slidably mounted on the fixed plate via a slide rail slider assembly, a clamping plate rotatably connected to the movable plate via a rotating block, a mold-closing cylinder fixed to the top of the clamping plate, a mold-closing module connected to the output end of the mold-closing cylinder, a tilting cylinder rotatably connected to the movable plate, and a movable plate cylinder fixed on the fixed plate. The output end of the forward-pushing cylinder is connected to the fixed plate, the mold-closing module is slidably connected in the slide groove of the clamping plate, a hook positioning block is provided at the bottom of the clamping plate, and an arc-shaped groove for positioning the hook is provided on the hook positioning block and the clamping plate. The output end of the tilting cylinder is rotatably connected to the clamping plate.

[0022] The beneficial effects of this invention are as follows: This application directly sets the fixing clamp for fixing the locking rod on the turntable and rotates with the turntable, while the hook assembly mechanism is set on the frame and does not rotate with the turntable. At the same time, the spring with the locking tongue installed is directly fed into the fixing clamp in front of the hook assembly mechanism, or the spring is fed first and then the locking tongue is directly fed into the fixing clamp in front of the hook assembly mechanism. Finally, the hook assembly mechanism is used for assembly. Therefore, it is not necessary to move the locking rod after the spring and locking tongue are installed, which avoids the situation where the locking tongue and spring are misaligned during the movement, and improves the assembly stability of the equipment.

[0023] In addition to the objectives, features and advantages described above, the present invention has other objectives, features and advantages.

[0024] The present invention will now be described in further detail with reference to the accompanying drawings. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of the present invention.

[0026] Figure 2 This is a schematic diagram of the locking rod feeding mechanism.

[0027] Figure 3 for Figure 2 Enlarged diagram of point A in the middle.

[0028] Figure 4 This is a schematic diagram of embodiment 2 of the positioning mechanism.

[0029] Figure 5 This is a schematic diagram of the spring feeding mechanism.

[0030] Figure 6 This is a schematic diagram of the fixed clamp.

[0031] Figure 7 This is a schematic diagram of the other side of the fixing fixture.

[0032] Figure 8 This is a schematic diagram of the locking tongue feeding mechanism.

[0033] Figure 9 This is a schematic diagram of the other side of the locking tongue feeding mechanism.

[0034] Figure 10 for Figure 9 Enlarged diagram of point B in the middle.

[0035] Figure 11 This is a schematic diagram of the hook feeding mechanism.

[0036] Figure 12 This is a schematic diagram of the other side of the hook feeding mechanism.

[0037] Figure 13 for Figure 12 Enlarged diagram of point C in the middle.

[0038] Figure 14 This is a schematic diagram of the hook assembly mechanism.

[0039] Figure 15 This is a schematic diagram of the other side of the hook assembly mechanism.

[0040] Figure 16 for Figure 1 Enlarged diagram of point D in the middle.

[0041] Figure 17 This is a schematic diagram of the structure after the locking tongue is fitted with the spring.

[0042] Figure 18 This is a schematic diagram of the locking bar and its components after the latch and spring are fed into the locking bar. Detailed Implementation

[0043] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0044] It should be noted that if the embodiments of the present invention involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0045] This invention provides an automatic spring buckle assembly machine.

[0046] In this embodiment, refer to Figure 1-18 The automatic spring buckle assembly machine includes a frame 1 and a turntable 2 mounted on the frame 1, and also includes:

[0047] Fixture 3, which is spaced apart on the turntable, is used to hold and fix the locking rod 100;

[0048] Locking rod feeding mechanism 4, which is used to feed the locking rod 100 and transport it to the fixed fixture for clamping;

[0049] Spring lock tongue feeding mechanism 5, the spring lock tongue feeding mechanism is used to directly feed and transfer the fitted spring and lock tongue to the locking pin hole on the fixed clamp in front of the hook assembly mechanism, or to first feed the spring into the locking pin hole 101 of the fixed clamp and then directly feed the lock tongue to the spring of the fixed clamp in front of the hook assembly mechanism.

[0050] The spring latch feeding mechanism is mainly used for feeding springs and latches and transferring them to the pin hole of the locking rod. Two feeding methods can be used: 1. After assembling the spring and latch, transfer them directly as a whole to the pin hole of the locking rod in front of the hook assembly mechanism, and then assemble them using the hook assembly mechanism. For example, a cylinder clamp can be used to clamp the assembled spring and latch and place them into the pin hole of the locking rod. 2. Alternatively, a step-by-step operation can be performed: first, feed the spring, and then feed the latch directly into the spring of the fixing clamp in front of the hook assembly mechanism, and then assemble them using the hook assembly mechanism. Both feeding methods can achieve the purpose of direct assembly without moving the spring. This application uses the second method as the main structure, which will be specifically described in the following embodiments.

[0051] Hook feeding mechanism 6, which is mounted on the frame, is used to feed the hook 130 and transport it to a designated position;

[0052] Hook assembly mechanism 7, which is mounted on the frame, is used to assemble the hooks fed by the hook feeding mechanism with the locking rods on the fixed clamp.

[0053] Specifically, the locking rod feeding mechanism includes a locking rod straight vibration mechanism 8, a locking rod cylinder clamp 9 disposed at the end of the feeding rail of the locking rod straight vibration mechanism 8, a horizontal and vertical moving mechanism 10 for driving the locking rod cylinder clamp 9 to move horizontally and vertically, and a positioning mechanism for positioning and aligning the locking rod.

[0054] In this embodiment, the locking bar feeding mechanism is used for feeding the locking bar. The locking bar is fed by vibration through a linear vibration mechanism and finally clamped and moved into a fixed fixture by a locking bar cylinder for secure clamping. The horizontal and vertical movement mechanism is a commonly used moving component in automated equipment, such as... Figure 2 As shown, I will not elaborate further here.

[0055] Positioning mechanism embodiment 1: The positioning mechanism is that the clamp of the locking rod cylinder clamp is provided with a raised step 11 that matches the slot 102 of the locking rod, and the raised step 11 is provided with clearance notches 12 on both sides.

[0056] Positioning mechanism embodiment 2: The positioning mechanism is a positioning plate 13 provided above the clamp of the locking rod cylinder clamp for inserting the locking rod into the slot 102, and the positioning plate is fixed on the locking rod cylinder clamp.

[0057] In the above embodiments, the positioning mechanism is mainly used to position the lock rod. In embodiment 1, positioning is achieved by directly setting a raised step and a clearance notch on the clamp of the lock rod cylinder clamp to match the slot of the lock rod. In embodiment 2, positioning is achieved by inserting a positioning plate into the slot.

[0058] Specifically, the spring latch feeding mechanism includes a spring feeding mechanism 14 and a latch feeding mechanism 15. The spring feeding mechanism includes a spring feeder 16, a conveying pipe 17 connected to the discharge end of the spring feeder, a first spring pressing mechanism 18 for pressing or releasing the spring at the front end of the conveying pipe, and a second spring pressing mechanism 19 for pressing or releasing the second-to-last spring of the conveying pipe. The discharge port of the conveying pipe is located directly above the pin hole 101 of the locking rod.

[0059] In this embodiment, the spring latch feeding mechanism includes a spring feeding mechanism and a latch feeding mechanism. The spring and latch are fed in stages. First, the spring feeding mechanism feeds the spring into the pin hole 101 of the locking rod 100 within the fixed fixture. Then, a turntable rotates the fixed fixture with the spring fed to the front of the hook assembly mechanism. Finally, the latch feeding mechanism feeds the latch into the spring. At this point, assembly is performed directly using the hook assembly mechanism. Therefore, there is no need to move the locking rod after the spring and latch are fed, improving assembly stability and yield.

[0060] The springs are fed one by one by a spring feeder and then conveyed through a conveying pipe. In practice, a first spring clamping mechanism blocks the opening of the conveying pipe, and a second spring clamping mechanism presses down on the second-to-last spring in the conveying pipe. When the first spring clamping mechanism is released, the foremost spring falls into the pin hole of the locking rod. Then, the first spring clamping mechanism is used again to block the opening of the conveying pipe, and the second spring clamping mechanism is released, causing the upper spring to fall. The first spring clamping mechanism then blocks the opening of the conveying pipe again, and so on, repeating this process to ensure that the springs fall one by one in an orderly manner. The first and second spring clamping mechanisms use a cylinder and a stop lever structure; one blocks the opening of the conveying pipe, and the other extends into the conveying pipe at the position of the second spring to press down on the spring.

[0061] Specifically, the latch feeding mechanism includes a latch direct vibration mechanism 20, a clamping and rotating assembly 21 that clamps and rotates the latch 120, and a clamping and conveying mechanism 23. The clamping and conveying mechanism is used to clamp the latch 120 after it has been rotated by the clamping and rotating assembly, and to convey the latch into the spring of the locking rod on the fixed clamp in front of the hook assembly mechanism.

[0062] like Figure 8-10 As shown, after the latch is fed by the latch direct vibration mechanism, the flat end 121 of the latch 120 faces downward and the cylindrical part faces upward. This application uses a clamping and rotating assembly to turn the latch around, and at the same time uses a clamping and conveying mechanism to transport it to the required position.

[0063] Specifically, the clamping and rotating assembly includes a first lifting cylinder 33 fixed on the frame, a rotating cylinder 34 connected to the output end of the first lifting cylinder, and a locking tongue cylinder clamp 35 connected to the output end of the rotating cylinder. The clamping and rotating assembly is used to turn the locking tongue around.

[0064] Specifically, the clamping and conveying mechanism includes a horizontal plate 37 fixed to the frame via a clamping upright plate 36, a vertical plate 39 slidably mounted on the horizontal plate 37 via a slide rail slider assembly, a horizontal cylinder 40 fixed to the horizontal plate, a second lifting cylinder 41 fixed to the vertical plate, a mounting plate 42 slidably mounted on the vertical plate via a slide rail slider assembly, and a transfer clamp 43 fixed to the mounting plate 42. The output end of the second lifting cylinder is connected to the mounting plate, and the output end of the horizontal cylinder is connected to the vertical plate.

[0065] Specifically, the transfer fixture includes a fixture base plate 44, a fixture cylinder 45 fixed on the fixture base plate, a movable clamping foot 46 slidably disposed on the fixture base plate via a slide rail slider assembly, and a fixed clamping foot 47 fixed on the fixture base plate. The output end of the fixture cylinder is connected to the left clamping foot, and the inner end face of the fixed clamping foot is in contact with the flat end face 121 of the locking tongue 120 after it has been rotated by the clamping rotation assembly.

[0066] In the above technical solution, the fixed clamping foot of the transfer fixture is fixed and fits against the flat end face of the locking tongue. This makes it less likely for the locking tongue to shake or shift when it is placed into the spring, making the process of loading the locking tongue into the spring more stable and reliable, avoiding deviations in the locking tongue position, and improving the assembly stability and yield of the equipment.

[0067] Specifically, the hook feeding mechanism includes a hook direct vibration mechanism 48, a positioning plate 49 disposed at the end of the feed rail of the hook direct vibration mechanism, a lifting cylinder 50 fixedly disposed behind the positioning plate 49, a lifting plate 51 connected to the output end of the lifting cylinder 50, a horizontal and vertical moving mechanism fixed on the frame, and a hook cylinder clamp 52 disposed on the horizontal and vertical moving mechanism. The positioning plate is provided with a through-type "U" shaped groove 53 for positioning. The lifting plate is disposed adjacent to the positioning plate, and the lifting plate is provided with a closed "U" shaped groove 54. When the hook is located in the closed "U" shaped groove, the flat connecting end 131 on the hook 130 is exposed in the closed "U" shaped groove, and the clamping point of the hook cylinder clamp is clamped on both sides of the flat connecting end.

[0068] In the above technical solution, the hook feeding mechanism feeds the material through the hook direct vibration mechanism, and then positions it through the through-type "U" groove of the positioning tray. When the closed "U" groove on the lifting tray is aligned with the through-type "U" groove, the hook naturally falls into the closed "U" groove, and then is lifted by the lifting cylinder. Finally, the hook is moved and transferred to the hook assembly mechanism by the hook cylinder clamp.

[0069] Furthermore, in existing technologies, when the cylinder clamp picks up the hook body, it directly clamps onto the cylindrical part of the hook body. Therefore, if there is a machining error at the flat connecting end of the hook body, and the flat connecting end is not centered, if the cylinder clamp directly picks up the cylindrical part of the hook body and places it into the hook body assembly mechanism, the position of the flat connecting end of the hook body will be incorrect. This will prevent the slot on the subsequent locking rod from being aligned and inserted, resulting in assembly failure. However, this application uses the flat connecting end of the hook body as the clamping point of the hook body cylinder clamp. When there is a dimensional deviation at the flat connecting end, the position of the flat connecting end of the hook body will not be misaligned, and it can still be aligned and installed well with the slot on the locking rod.

[0070] Specifically, the fixing fixture includes a base plate 55 fixed on the turntable, a fixture upright plate 56 fixed on the base plate 55, a clamping plate 57 rotatably connected to the fixture upright plate, an "L-shaped" clamping block 58 fixed on the fixture upright plate, and a fixture cylinder 59. One end of the clamping plate is rotatably connected to the output end of the fixture cylinder, and the other end has a clamping groove 60 adapted to the locking rod. The end of the fixture cylinder away from the clamping plate is rotatably connected to the base plate. The locking rod is clamped between the "L-shaped" clamping block and the clamping groove. The bottom of the "L-shaped" clamping block has a raised plate 61.

[0071] The fixing clamp is used to grip and fix the locking bar. The fixing clamp with the above structure uses a rotating clamping plate to cooperate with the "L-shaped" clamping block to achieve the gripping and fixing of the locking bar. The structure is simple and the clamping is stable. In addition, by setting a shim plate to make the clamping point between the "L-shaped" clamping block and the clamping groove far away from the base plate, even if there is a deviation in the groove size of the locking bar or the size of the flat connecting end 131 of the hook body, it can still be installed into the groove of the locking bar very well.

[0072] Specifically, the hook assembly mechanism includes a hook base plate 62 fixedly mounted on the frame, a fixed plate 63 slidably mounted on the hook base plate via a slide rail slider assembly, a forward-pushing cylinder 64 fixed on the hook base plate, a movable plate 65 slidably mounted on the fixed plate via a slide rail slider assembly, a clamping plate 67 rotatably connected to the movable plate 65 via a rotating block, a mold-closing cylinder 68 fixed on the top of the clamping plate, a mold-closing module 69 connected to the output end of the mold-closing cylinder, a tilting cylinder 70 rotatably connected to the movable plate, and a movable plate cylinder 71 fixed on the fixed plate. The output end of the forward-pushing cylinder is connected to the fixed plate, the mold-closing module is slidably connected in the slide groove 72 of the clamping plate, a hook positioning block 73 is provided at the bottom of the clamping plate, and an arc-shaped groove 74 for positioning the hook is provided on the hook positioning block and the clamping plate. The output end of the tilting cylinder is rotatably connected to the clamping plate.

[0073] The operating principle of the hook assembly mechanism is as follows: A forward-pushing cylinder pushes the clamping plate towards the fixed clamp on the turntable, aligning the flat connecting end 131 of the hook with the slot of the locking rod on the fixed clamp. Then, a moving plate cylinder moves the clamping plate downwards, causing the flat connecting end of the hook to engage with the slot of the locking rod. Finally, a tilting cylinder rotates the clamping plate counterclockwise, connecting the other end of the locking rod to the hook end of the hook, thus assembling the locking rod and the hook. Finally, the mold-closing cylinder is released, and the turntable rotates the assembled hook and locking rod to the next workstation (such as the riveting station or the unloading station).

[0074] In addition, to further ensure that the spring and latch inside the lock bar do not shift and improve assembly stability, a stabilizing cylinder clamp 77 is connected to the turntable via a rotary joint 75 and a connecting plate 76. The clamping feet of the stabilizing cylinder clamp are provided with stabilizing grooves 78 that are adapted to the spring. During assembly, this stabilizes the spring and latch inside the lock bar, further improving assembly stability. Figure 16 As shown.

[0075] The assembly method steps of this application are as follows:

[0076] 1. The locking rod is fed using the locking rod feeding mechanism and moved to the fixed clamp on the turntable for clamping and fixing. Then the turntable rotates the fixed clamp holding the locking rod to the next step.

[0077] 2. The spring is fed by the spring feeding mechanism and moved to the pin hole of the locking rod on the fixed fixture. Then the turntable rotates the fixed fixture that has completed this process to the front of the hook assembly mechanism, ready for assembly by the hook assembly mechanism.

[0078] 3. Use the latch feeding mechanism to feed the latch and move it into the spring of the lock bar. After the spring is fed and inserted, use the hook assembly mechanism to assemble it.

[0079] 4. After assembly, continue to use the turntable to rotate the assembled spring buckle to the next station (such as the riveting station or the unloading station).

[0080] Please note to all technical personnel: Although the present invention has been described according to the specific embodiments above, the inventive concept of the present invention is not limited to this invention. Any modifications that utilize the inventive concept will be included within the scope of protection of this patent.

Claims

1. An automatic spring buckle assembly machine, comprising a frame and a turntable mounted on the frame, characterized in that... Also includes: A fixing clamp is provided, which is spaced apart on the turntable and used to hold and fix the locking rod. A locking bar feeding mechanism is used to feed the locking bar and transport it to a fixed fixture for clamping. A spring-locking tongue feeding mechanism is used to directly feed and transfer the fitted spring and lock tongue to the locking pin hole on the fixed clamp in front of the hook assembly mechanism, or to first feed the spring into the locking pin hole of the fixed clamp and then directly feed the lock tongue to the spring in the fixed clamp in front of the hook assembly mechanism. A hook feeding mechanism is mounted on the frame and is used to feed hooks and transport them to a designated position. A hook assembly mechanism is mounted on a frame and is used to assemble hooks fed by the hook feeding mechanism with locking rods on a fixed clamp. The spring latch feeding mechanism includes a spring feeding mechanism and a latch feeding mechanism. The spring feeding mechanism includes a spring feeder, a conveying pipe connected to the discharge end of the spring feeder, a first spring pressing mechanism for pressing or releasing the spring at the front end of the conveying pipe, and a second spring pressing mechanism for pressing or releasing the second-to-last spring of the conveying pipe. The discharge port of the conveying pipe is located directly above the pin hole of the locking rod. The hook assembly mechanism includes a hook base plate fixedly mounted on a frame, a fixed plate slidably mounted on the hook base plate via a slide rail slider assembly, a forward-pushing cylinder fixed on the hook base plate, a movable plate slidably mounted on the fixed plate via a slide rail slider assembly, a clamping plate rotatably connected to the movable plate via a rotating block, a mold-closing cylinder fixed to the top of the clamping plate, a mold-closing module connected to the output end of the mold-closing cylinder, a tilting cylinder rotatably connected to the movable plate, and a movable plate cylinder fixed on the fixed plate. The output end of the forward-pushing cylinder is connected to the fixed plate. The mold-closing module is slidably connected in a groove in the clamping plate. A hook positioning block is provided at the bottom of the clamping plate. The hook positioning block and the clamping plate are provided with arc-shaped grooves for positioning the hook. The output end of the tilting cylinder is rotatably connected to the clamping plate.

2. The automatic spring buckle assembly machine according to claim 1, characterized in that: The locking bar feeding mechanism includes a locking bar direct vibration mechanism, a locking bar cylinder clamp disposed at the end of the feeding rail of the locking bar direct vibration mechanism, a horizontal and vertical moving mechanism for driving the locking bar cylinder clamp to move horizontally and vertically, and a positioning mechanism for positioning and aligning the locking bar.

3. The automatic spring buckle assembly machine according to claim 2, characterized in that: The positioning mechanism is characterized by a raised step on the clamp of the locking rod cylinder clamp that matches the slot of the locking rod, and clearance notches on both sides of the raised step.

4. The automatic spring buckle assembly machine according to claim 1, characterized in that: The latch feeding mechanism includes a latch direct vibration mechanism, a clamping and rotating assembly that clamps and rotates the latch, and a clamping and conveying mechanism. The clamping and conveying mechanism is used to clamp the latch after it has been rotated by the clamping and rotating assembly, and to convey the latch into the spring of the locking rod on the fixed clamp in front of the hook assembly mechanism.

5. The automatic spring buckle assembly machine according to claim 4, characterized in that: The clamping and rotating assembly includes a first lifting cylinder fixed on the frame, a rotating cylinder connected to the output end of the first lifting cylinder, and a locking tongue cylinder clamp connected to the output end of the rotating cylinder.

6. The automatic spring buckle assembly machine according to claim 4, characterized in that: The clamping and conveying mechanism includes a horizontal plate fixed to the frame via a clamping upright plate, a vertical plate slidably mounted on the horizontal plate via a slide rail slider assembly, a horizontal cylinder fixed to the horizontal plate, a second lifting cylinder fixed to the vertical plate, a mounting plate slidably mounted on the vertical plate via a slide rail slider assembly, and a transfer fixture fixed to the mounting plate. The output end of the second lifting cylinder is connected to the mounting plate, and the output end of the horizontal cylinder is connected to the vertical plate. The transfer fixture includes a fixture base plate, a fixture cylinder fixed on the fixture base plate, a movable clamping foot slidably mounted on the fixture base plate via a slide rail slider assembly, and a fixed clamping foot fixed on the fixture base plate. The output end of the fixture cylinder is connected to the left clamping foot, and the inner end face of the fixed clamping foot is in contact with the flat end face of the locking tongue after it has been rotated by the clamping rotation assembly.

7. The automatic spring buckle assembly machine according to claim 1, characterized in that: The hook feeding mechanism includes a hook direct vibration mechanism, a positioning plate set at the end of the feed rail of the hook direct vibration mechanism, a lifting cylinder fixedly set behind the positioning plate, a lifting plate connected to the output end of the lifting cylinder, a horizontal and vertical moving mechanism fixed on the frame, and a hook cylinder clamp set on the horizontal and vertical moving mechanism. The positioning plate is provided with a through "U" shaped groove for positioning. The lifting plate is arranged adjacent to the positioning plate, and the lifting plate is provided with a closed "U" shaped groove. When the hook is located in the closed "U" shaped groove, the flat connecting end of the hook is exposed in the closed "U" shaped groove, and the clamping point of the hook cylinder clamp is clamped on both sides of the flat connecting end.

8. The automatic spring buckle assembly machine according to claim 7, characterized in that: The fixing fixture includes a base plate fixed on the turntable, a fixture upright plate fixed on the base plate, a clamping plate rotatably connected to the fixture upright plate, an "L-shaped" clamping block fixed on the fixture upright plate, and a fixture cylinder. One end of the clamping plate is rotatably connected to the output end of the fixture cylinder, and the other end has a clamping groove adapted to the locking rod. The end of the fixture cylinder away from the clamping plate is rotatably connected to the base plate. The locking rod is clamped between the "L-shaped" clamping block and the clamping groove. The bottom of the "L-shaped" clamping block has a raised plate.

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