Plum blossom contact assembling machine

Abstract

The tulip contact assembling machine comprises a workbench, a moving assembly and a spring ring press-in assembly, the workbench comprises a table top, a machining station and a sleeving station are arranged on the table top, the moving assembly comprises a fixing frame, a transverse guide rail, a vertical guide rail and a guide block clamping jaw, the fixing frame is fixed to the table top, the transverse guide rail is arranged on the fixing frame, and the vertical guide rail is arranged on the guide block clamping jaw. A sliding block is arranged on the transverse guide rail, the vertical guide rail is arranged on the sliding block, the guide block clamping jaw is arranged on the vertical guide rail, the spring ring press-in assembly comprises a first support, a push rod, a press-in block, a guide block, a telescopic table, a rotating table, a main body clamping jaw and a fixing base, the first support is erected on a machining station, the push rod is arranged on the first support and fixed to the press-in block, and the guide block clamping jaw is arranged on the rotating table. And the telescopic table is arranged on the side, close to the table top, of the pressing-in block, the rotating table is arranged on the telescopic table, the main body clamping jaw is arranged on the rotating table, and a containing groove is formed in the fixing base. The device is higher in efficiency, and the quality of finished products is stable.

Description

Technical Field

[0001] This invention belongs to the field of assembly technology, specifically relating to a plum blossom contact assembly machine. Background Technology

[0002] The plum blossom contact is one of the essential components of a handcart-type vacuum circuit breaker. The plum blossom contact includes a body and a spring ring sleeved on the body. The body includes an upper partition plate, a lower partition plate, and contact plates.

[0003] Traditional assembly of plum blossom contacts is typically done entirely manually. Workers manually insert the contact pieces one by one into the grooves of the upper and lower guide plates. After insertion, elastic rings temporarily hold the contact pieces in place, and then spring rings are sequentially unfolded and fitted into the arc-shaped grooves of the contact pieces. This assembly method requires full worker involvement, is labor-intensive, and the quality of the finished product depends heavily on the worker's skill and focus. Furthermore, it cannot guarantee even spring unfolding or uniform force distribution across all contact pieces, affecting the overall quality of the finished product. With technological advancements, machinery is gradually replacing manual labor. However, due to considerations such as cost, space, and sales volume, manufacturers often adopt a combination of manual and mechanical assembly methods.

[0004] Utility model patent application number 202221441466.1 discloses a plum blossom contact assembly device, which is used to quickly, accurately, and evenly fit spring coils onto the contact plate. However, this device still requires a significant amount of manual intervention. It requires manual placement of the main body with the spring coil on it onto a fixed base, followed by manual placement of a guide block onto the main body and then manual fitting of the spring coil onto the guide block. After assembling the spring coil at one end, the guide block must be removed manually, followed by manual removal of the spring coil and rotation of the main body 180°. The guide block is then placed back on the main body, and the spring coil is fitted onto the guide block again. This process is repeated to assemble the spring coil at the other end. Finally, the assembled plum blossom contact is removed from the fixed base manually. While this assembly device improves upon the low efficiency and uneven spring spreading of traditional assembly methods, each device requires one worker. The worker's skill level, focus, and the number of workers still significantly impact assembly efficiency and output. Furthermore, accidental contact can easily result in worker injury. Summary of the Invention

[0005] To overcome the shortcomings of existing technologies, this invention provides a plum blossom contact assembly machine with higher assembly efficiency than existing technologies.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is: a plum blossom contact assembly machine, comprising a worktable, a moving component, and a spring coil pressing component. The worktable includes a table surface, on which processing stations and fitting stations are provided. The moving component includes a fixed frame, a horizontal guide rail, a vertical guide rail, and a guide block gripper. The fixed frame is fixed to the table surface. The horizontal guide rail is disposed on the fixed frame and extends from the processing station to the fitting station. A slider is disposed on the horizontal guide rail. The vertical guide rail is disposed on the slider, and the extending direction of the vertical guide rail is perpendicular to the table surface. The guide block gripper is disposed on the vertical guide rail. The spring coil pressing component includes a support, a push rod, a pressing block, a guide block, and a telescopic table. The system comprises a rotating table, a main gripper, and a fixed base. A support frame is mounted on the machining station. A push rod is mounted on the support frame, with one end of the push rod facing the table surface fixed to a pressing block. A guide block is located on the side of the pressing block facing the table surface, and the guide block includes a frustum-shaped guide wall with its larger diameter end facing the table surface. A fixing groove is provided on the surface of the guide block facing the table surface. The guide block is held and fixed by the guide block gripper. A telescopic table is located on the side of the pressing block near the table surface. A rotating table is mounted on the telescopic table, and the main gripper is mounted on the rotating table. The rotating table rotates along an axis parallel to the table surface. The fixed base is located on the side of the main gripper near the table surface, and the fixed base has a circular placement groove.

[0007] Using the above scheme, the larger diameter end of the frustum refers to the base surface with the larger diameter. Both the transverse and vertical guide rails are electrically powered, as are the guide block grippers and the main body grippers. The push rod is an electric push rod, and the rotating table is an electric worm gear rotating table.

[0008] In its initial state, the guide block gripper is located at the fitting position, the guide block is held by the guide block gripper, the main body gripper is in the open state, and the push rod is in the retracted state. Actual operation includes a pressing stage and an adjustment stage.

[0009] Pressing stage: The worker first places the main body with the elastic ring in the placement groove, and then puts the spring ring on the guide block by machine or manually. Then the main body gripper clamps and fixes the main body, and sets the main body and the pressing block opposite each other. The slider moves the guide block with the spring ring on it between the pressing block and the main body along the extension direction of the horizontal guide rail. After the guide block gripper moves along the vertical guide rail to the bottom of the fixed groove and contacts the main body, the guide block gripper opens. Then the push rod moves the pressing block closer to the main body, so that the pressing block pushes the spring ring on the guide block onto the main body.

[0010] Adjustment phase: After one pressing is completed, the push rod drives the pressing block to move away from the main body. At the same time, the guide block gripper re-grips the guide block. After the push rod retracts to its shortest length, the guide block gripper first moves along the vertical guide rail to make the main body leave the fixed groove. Then the slider moves along the horizontal guide rail to make the guide block move to the setting position. Subsequently, the telescopic table extends, making the main body gripper drive the main body to leave the placement groove. After the rotating table rotates 180°, the telescopic table shortens, so that the end of the main body with the spring ring set is embedded in the placement groove.

[0011] After adjustment, repeat the pressing stage once to complete the assembly of the sprite contact. Once assembled, the guide block is held by the guide block jaws and returns to the setting position. The push rod retracts, the main body jaws open, and the assembled sprite contact can be removed.

[0012] The system can be manually controlled to start and stop via a start button, or it can be set to operate automatically via a sensor mounted on the mounting base. The elastic ring on the main body can be manually removed after assembly or removed during assembly via the elastic ring removal component.

[0013] Compared with existing technologies, this invention replaces some manual labor with machinery, and has higher precision, resulting in stable product quality.

[0014] As a further feature of the present invention, a spring coil sleeve assembly is also included. The spring coil sleeve assembly includes a bracket two mounted on the sleeve station and a sleeve rod extending away from the table surface. The bracket two is provided with telescopic rods one, two, three, and four arranged sequentially towards the table surface. The moving directions of telescopic rods one, two, three, and four are all perpendicular to the axis of the sleeve rod. The ends of telescopic rods one, two, three, and four facing the sleeve rod are respectively provided with limiting end one, limiting end two, limiting end three, and limiting end four. The outer wall of the sleeve rod is provided with a protruding ring one that can limit the limiting end one and a protruding ring two that can limit the limiting end two.

[0015] Using the above scheme, the cooperation between the first convex ring and the first limiting end, and the cooperation between the second convex ring and the second limiting end, can prevent the sleeve rod from moving radially.

[0016] When spring coils need to be fitted onto the sleeve rod, telescopic rod one and three retract, while telescopic rod two extends. At this time, limiting end two forms a limit with convex ring two, and telescopic rod four extends, with limiting end four abutting against the outer wall of the sleeve rod. Then, the spring coils are sequentially fitted onto the sleeve rod manually or using a vibratory feeder or other mechanical means. The maximum radial diameter of convex ring one and convex ring two is smaller than the inner diameter of the spring coils, and the spring coils form a limit with limiting end two. After a certain number of spring coils are fitted between convex ring one and convex ring two, telescopic rod one extends, causing limiting end one to form a limit with convex ring one. Telescopic rod two retracts, and the spring coils between convex ring one and convex ring two move along the sleeve rod until they form a limit with limiting end four. Subsequently, telescopic rod two extends again, and telescopic rod one retracts, allowing spring coils to be fitted again. Finally, telescopic rod one extends, and telescopic rod two retracts, ensuring that the sleeve rod is fully fitted with spring coils.

[0017] When the spring coil needs to be installed on the guide block, the guide block is aligned with the sleeve rod, and the telescopic rod three extends, so that the limiting end three inserts into the gap between the two spring coils, leaving only two spring coils between the limiting end three and the limiting end four. Then the telescopic rod four retracts, releasing the limiting end four from the spring coils, causing the spring coils between the limiting end three and the limiting end four to fall onto the guide block.

[0018] Telescopic pole 1, telescopic pole 2, telescopic pole 3, and telescopic pole 4 are all electric telescopic poles. Telescopic pole 1 and telescopic pole 2 can be opened and closed manually, or they can be opened and closed by sensing the height of the stacked spring coils with a sensor.

[0019] Compared to the existing method of manually placing the spring coils onto the guide blocks one by one, the spring coil placement assembly improves processing efficiency and reduces the workload of workers.

[0020] As a further feature of the present invention, the bottom of the fixing groove is provided with a plurality of positioning grooves arranged sequentially along the circumference of the fixing groove.

[0021] Using the above scheme, the positioning groove is used for the contact piece of the main body to be embedded. The positioning groove and the contact piece are set one-to-one, so that the main body placed in the fixed groove is in a state that is easy to assemble.

[0022] As a further feature of the invention, an elastic ring removal assembly is also included. The table surface is provided with a placement station, which is located on the side of the processing station away from the fitting station. The moving assembly also includes a desktop guide rail extending from the placement station to the processing station. The fixed seat and the telescopic table are both mounted on the desktop guide rail. The elastic ring removal assembly includes a bracket three, a telescopic rod five, and an elastic ring gripper. The bracket three is mounted on the side of the placement station near the processing station. The telescopic rod five is mounted on the bracket three. The side of the telescopic rod five near the table surface is inclined away from the processing station. There are two telescopic rods five, and the sides of the two telescopic rods five are close to each other. The elastic ring gripper is located on the side of the telescopic rod five facing the table surface. The table surface is provided with an elastic ring collection port opposite to the elastic ring gripper.

[0023] Using the above scheme, the desktop rail is an electric rail, and the telescopic rod five is an electric telescopic rod.

[0024] In the initial state, the main body gripper is in the open state, the fixed seat is in the placement position, the telescopic rod is in the retracted state, the elastic ring gripper is in the closed state, and the height of the elastic ring gripper from the table surface is greater than the maximum height of the main body from the table surface when it is in the fixed groove. The minimum distance between the elastic ring grippers on the two telescopic rods is greater than the outer diameter of the main body.

[0025] In actual operation, the main body is placed in the fixed slot, and the contact piece of the fixed slot is embedded in the positioning slot. Then, the elastic ring gripper opens, and the telescopic rod five extends. Due to the positioning effect of the positioning slot, the gap between the elastic ring gripper and the two contact pieces is aligned. Preferably, the angle between the telescopic rod five and the table surface is greater than 70°, which facilitates the elastic ring gripper to extend between the main body gripper and the main body. After the telescopic rod five extends to its maximum length, the elastic ring gripper closes. Then, the telescopic rod five retracts, and at the same time, the main body gripper gradually closes. Because the telescopic rod five is tilted, the elastic ring gripper can clamp the elastic ring regardless of whether the binding position of the elastic ring is high or low. During the retraction of the telescopic rod five, the elastic ring moves away from the table surface, which facilitates the main body gripper to hold and fix the main body. After the telescopic rod five retracts to its shortest length, the fixed base and telescopic table move along the table guide rail with the main body, and the elastic ring detaches from the main body as the main body moves. After the main body moves to the processing station, the elastic ring gripper opens, allowing the elastic ring to fall into the elastic ring collection port. A collection frame can be set on the side of the elastic ring collection port facing away from the table for collection, which facilitates subsequent processing or recycling of the elastic ring.

[0026] As a further feature of the present invention, the desktop guide rail includes an inner guide rail and an outer guide rail, the fixed base is disposed on the inner guide rail, the telescopic platform is disposed on the outer guide rail, and the platform is provided with a finished product collection port opposite to the pressing block.

[0027] Using the above solution, after assembly, the telescopic table extends to detach the finished product from the fixed slot. Then, the fixed seat moves to the placement station to expose the finished product collection port. Subsequently, the main body grippers open, and the finished product falls into the finished product collection port. A conveyor belt or collection frame can be set on the side of the finished product collection port facing away from the table surface to facilitate subsequent packaging.

[0028] As a further feature of the present invention, the guide block further includes a guide wall disposed on the side of the guide wall near the table surface. The guide wall is frustum-shaped with its larger proximal end facing the guide wall. The guide wall surrounds the fixed groove. The guide wall and the guide wall are connected by an arc-shaped surface. The outer wall of the guide block is provided with at least three rotatingly symmetrical moving grooves along the axis of the guide block. The moving grooves extend from the guide wall to the guide wall. The number of press-in blocks is the same as the number of moving grooves and is arranged opposite to each moving groove. The height of the press-in block along the extension direction of the push rod is greater than or equal to the depth of the moving groove along its own axial direction. When the press-in block is inserted into the moving groove and fits against the groove wall of the moving groove near the table surface, the distance from the surface of the press-in block facing away from the axis of the guide block to the axis of the guide block is greater than the maximum distance from the moving groove to the axis of the guide block.

[0029] The above solution makes it easy to fit the spring ring on the guide block onto the main body.

[0030] When the spring coil is not deformed, it is fitted on the guide wall. As the pressing block moves along the moving groove, the pressing block pushes the spring coil towards the table surface until it is pushed onto the guide wall. Under the action of the spring coil's own elastic force, it moves along the guide wall onto the main body.

[0031] As a further feature of the present invention, the guide block gripper includes two mirror-arranged gripping ends, and the two gripping ends are provided with gripping grooves; when the gripping ends are gripped on the guide block, the bottom of the gripping groove is in contact with the arc-shaped surface, and the two opposite groove walls of the gripping groove are in contact with the guide wall and the guide wall, respectively.

[0032] The above solution ensures stable clamping of the guide block by the gripper.

[0033] As a further feature of the present invention, the elastic ring gripper includes two elongated gripping arms, one end of which is away from the telescopic rod five and has a bent end that bends toward the other gripping arm; when the elastic ring gripper is closed, there is a gap between the two gripping arms and the bent ends of the two gripping arms are staggered.

[0034] Using the above method, after the elastic ring is clamped by the clamping claws, as the telescopic rod retracts, the elastic ring moves within the gap between the two clamping arms under its own elastic force until it reaches the bent end and is stopped. This prevents the elastic ring from detaching from the clamping claws due to its own elastic force if the clamping position is too high.

[0035] As a further feature of the present invention, there are two telescopic rods, telescopic rod 1, telescopic rod 2, telescopic rod 3, and telescopic rod 4, all of which are mirror images of each other. The first and second limiting ends have the same shape, and the first and second convex rings have the same shape. The outer wall of the first convex ring is frustum-shaped, with the large-diameter end of the first convex ring facing the frustum surface. The surface of the first limiting end facing the sleeve rod is provided with a mating groove. The cross-section of the mating groove is an arc less than or equal to a semicircle. The radius of the cross-section of the mating groove is greater than or equal to the radius of the radial cross-section of the sleeve rod. The radius of the cross-section of the mating groove is less than the radius of the large-diameter end of the first convex ring.

[0036] The above solution can better fix the sleeve rod, and the shapes of the first and second convex rings facilitate the passage of the spring coil.

[0037] As a further feature of the present invention, the three-sided limiting end sleeve is provided with an embedding groove, the cross section of the embedding groove is an arc less than or equal to a semicircle, and the width of the three-sided limiting end sleeve gradually increases from the side closer to the sleeve to the side farther away from the sleeve.

[0038] Using the above scheme, it is convenient to insert the limiting end three between two adjacent spring coils.

[0039] The present invention will now be further described with reference to the accompanying drawings. Attached Figure Description

[0040] Appendix Figure 1 A schematic diagram of a plum blossom contactor;

[0041] Appendix Figure 2 This is a side view of a specific embodiment of the present invention;

[0042] Appendix Figure 3 This is a schematic diagram of an overall embodiment of the present invention;

[0043] Appendix Figure 4 This is a schematic diagram of the moving component according to a specific embodiment of the present invention;

[0044] Appendix Figure 5 This is a schematic diagram of the spring coil pressing assembly according to a specific embodiment of the present invention;

[0045] Appendix Figure 6 This is a schematic diagram of a spring coil sleeve assembly according to a specific embodiment of the present invention;

[0046] Appendix Figure 7 For the appendix Figure 3 A schematic diagram of the H section.

[0047] Main body a, upper partition plate a1, lower partition plate a2, contact piece a3, spring coil b.

[0048] Processing station A, setting station B, placement station C.

[0049] Workbench 1, Tabletop 11, Finished Product Collection Port 12, Elastic Ring Collection Port 13, Button 14, Moving Component 2, Fixing Frame 21, Horizontal Guide Rail 22, Vertical Guide Rail 23, Inner Guide Rail 24, Outer Guide Rail 25, Guide Block Claw 26, Clamping End 261, Clamping Groove 262, Slider 27, Spring Ring Press-in Component 3, Support 1 31, Push Rod 32, Press-in Block 33, Guide Block 34, Guide Wall 341, Fixing Groove 342, Guide Wall 343, Arc Surface 344, Moving Groove 345, Telescopic Table 35, Rotating Table 36 Main gripper 37, fixed seat 38, placement groove 381, positioning groove 382, ​​spring ring sleeve assembly 4, bracket two 41, sleeve rod 42, convex ring one 421, convex ring two 422, telescopic rod one 43, telescopic rod two 44, telescopic rod three 45, telescopic rod four 46, limiting end one 47, mating groove 471, limiting end two 48, limiting end three 49, embedding groove 491, limiting end four 410, elastic ring removal assembly 5, bracket three 51, telescopic rod five 52, elastic ring gripper 53, clamping arm 531, bending end 532. Detailed Implementation

[0050] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0051] In the description of this invention, it should be noted that, unless otherwise specified, the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are used only for the convenience of describing the invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0052] Plum blossom tips as attached Figure 1 As shown, it includes a main body a and a spring coil b. The main body a includes an upper partition plate a1, a lower partition plate a2, and a contact piece a3.

[0053] Specific embodiments of the present invention are shown in the appendix. Figures 2-7 As shown.

[0054] A plum blossom contact assembly machine includes a worktable 1, a moving assembly 2, a spring coil pressing assembly 3, a spring coil sleeve assembly 4, and a spring coil removal assembly 5. The worktable 1 includes a table surface 11, on which a processing station A, a sleeve assembly station B, and a placement station C are provided. The sleeve assembly station B is located on the side of the processing station A away from the placement station C.

[0055] The moving component 2 includes a fixed frame 21, a horizontal guide rail 22, a vertical guide rail 23, an inner guide rail 24, an outer guide rail 25, and a guide block gripper 26. The fixed frame 21 is fixed to the table surface 11. The horizontal guide rail 22 is mounted on the fixed frame 21 and extends from processing station A to fitting station B. A slider 27 is provided on the horizontal guide rail 22, and the vertical guide rail 23 is mounted on the slider 27. The extension direction of the vertical guide rail 23 is perpendicular to the table surface 11. The guide block gripper 26 is mounted on the vertical guide rail 23. The inner guide rail 24 and the outer guide rail 25 are parallel to each other and both extend from the placement station C to the processing station A. In this embodiment, the horizontal guide rail 22, the vertical guide rail 23, the inner guide rail 24, and the outer guide rail 25 are all electric guide rails, and the guide block gripper 26 is an electric gripper.

[0056] The spring coil pressing assembly 3 includes a bracket 31, a push rod 32, a pressing block 33, a guide block 34, a telescopic table 35, a rotating table 36, a main body gripper 37, and a fixed seat 38. A support 31 is mounted on processing station A. A push rod 32 is mounted on the support 31. One end of the push rod 32 facing the table 11 is fixed to the pressing block 33. The table 11 is provided with a finished product collection port 12 opposite to the pressing block 33. A guide block 34 is provided on the side of the pressing block 33 facing the table 11. The guide block 34 includes a frustum-shaped guide wall 341. The large diameter end of the guide wall 341 faces the table 11. The large diameter end of the frustum refers to the bottom surface with the larger diameter of the frustum. A fixing groove 342 is provided on the surface of the guide block 34 facing the table 11. The guide block 34 is clamped and fixed by the guide block gripper 26. A telescopic table 35 is mounted on the outer guide rail 25. A rotating table 36 is mounted on the telescopic table 35. A main gripper 37 is mounted on the rotating table 36. The rotating table 36 rotates along an axis parallel to the table 11. The fixed base 38 is mounted on the inner guide rail 24. The fixed base 38 has a circular placement groove 381. The bottom of the fixed groove 342 has multiple positioning grooves 382 arranged sequentially along the circumference of the fixed groove 342. In this embodiment, the push rod 32 is an electric push rod, the rotating table 36 is an electric worm gear rotating table, and the main gripper 37 is an electric gripper.

[0057] The spring coil sleeve assembly 4 includes a second bracket 41 mounted on the sleeve assembly station B and a sleeve rod 42 extending away from the table surface 11. The second bracket 41 is provided with telescopic rods 43, 44, 45, and 46 arranged sequentially towards the table surface 11. The movement directions of telescopic rods 43, 44, 45, and 46 are all perpendicular to the axis of the sleeve rod 42. Telescopic rods 45 and 46 are respectively provided with limiting end 47, limiting end 48, limiting end 49, and limiting end 410 at their ends facing the sleeve rod 42. The outer wall of the sleeve rod 42 is provided with a protruding ring 421 that can limit the movement of limiting end 47 and a protruding ring 422 that can limit the movement of limiting end 48. The engagement of protruding ring 421 with limiting end 47 and the engagement of protruding ring 422 with limiting end 48 both prevent the sleeve rod 42 from moving radially. In this embodiment, telescopic rods 43, 44, 45, and 46 are all electrically operated telescopic rods.

[0058] The elastic ring removal assembly 5 includes a support 3 51, a telescopic rod 52, and an elastic ring gripper 53. The support 3 51 is mounted on the side of the placement station C near the processing station A. The telescopic rod 52 is mounted on the support 3 51, and the side of the telescopic rod 52 near the table surface 11 is inclined away from the processing station A. There are two telescopic rods 52, and the sides of the two telescopic rods near the table surface 11 are close to each other. The elastic ring gripper 53 is located on the side of the telescopic rod 52 facing the table surface 11. The table surface 11 has elastic ring collection ports 13 opposite to the elastic ring grippers 53. In this embodiment, the telescopic rod 52 is an electric telescopic rod.

[0059] In this embodiment, the worker activates the embodiment by pressing button 14 on the table 11. In the initial state, the guide block gripper 26 is located at the fitting station B; the guide block 34 is held by the guide block gripper 26 and faces the sleeve rod 42; the fixed seat 38 and the telescopic platform 35 are located at the placement station C; the main body gripper 37 is in the open state; the push rod 32 is in the retracted state; the telescopic rod 52 is in the retracted state; the elastic ring gripper 53 is in the closed state, and the height of the elastic ring gripper 53 from the table 11 is greater than the maximum height of the main body a from the table 11 when it is in the fixed groove 342; the minimum distance between the elastic ring grippers 53 on the two telescopic rods 52 is greater than the outer diameter of the main body a. Telescopic rods 1 43 and 46 are both in the extended state, while telescopic rods 2 44 and 3 45 are both in the retracted state. At least four spring rings b are fitted inside the sleeve rod 42.

[0060] The assembly in this embodiment includes the following steps:

[0061] Step 1: The worker places the main body a with the elastic ring in the placement groove 381. At this time, the upper partition plate a1 of the main body a faces away from the table surface 11, and the contact piece a3 of the fixing groove 342 is embedded in the positioning groove 382. Then, the button 14 on the table surface 11 is pressed.

[0062] Step Two: After pressing button 14, the elastic ring gripper 53 opens, and the telescopic rod 52 extends. Due to the positioning effect of the positioning groove 382, ​​the gap between the elastic ring gripper 53 and the two contact pieces a3 is aligned. After the telescopic rod 52 extends to its longest length, the elastic ring gripper 53 closes, clamping the elastic ring onto the elastic ring. Then, the telescopic rod 52 retracts, and at the same time, the main body gripper 37 gradually closes. During the retraction of the telescopic rod 52, the elastic ring moves away from the table surface 11 along with the elastic ring gripper 53, making it easier for the main body gripper 37 to hold and fix the main body a. After the telescopic rod 52 retracts to its shortest length, the fixing base 38 and the telescopic table 35 move along the inner guide rail 24 and the outer guide rail 25 with the main body a. The elastic ring disengages from the main body a as the main body a moves. After the main body a moves to the processing station A, the elastic ring gripper 53 opens, causing the elastic ring to fall into the elastic ring collection port 13. A collection frame can be set on the side of the elastic ring collection port 13 facing away from the table 11 for collection, which facilitates subsequent processing or recycling of the elastic ring.

[0063] Step 3: Step 3 can be performed simultaneously with Step 2. Telescopic rod 3 (45) extends, allowing limiting end 3 (49) to insert into the gap between the two spring rings b, leaving only two spring rings b between limiting end 3 (49) and limiting end 4 (410). Then, telescopic rod 4 (46) retracts, releasing the limiting end 4 (410) from restricting the spring rings b, causing the spring rings b between limiting end 3 (49) and limiting end 4 (410) to fall onto guide block 34. Then, telescopic rod 4 (46) extends again, causing limiting end 4 (410) to re-abut against sleeve rod 42. Subsequently, slider 27 moves guide block 34, containing spring rings b, along the extension direction of transverse guide rail 22 to between pressing block 33 and table surface 11.

[0064] Step 4: After Step 2 and Step 3 are completed, the fixing groove 342 is facing the main body a. The guide block claw 26 moves along the vertical guide rail 23 until it contacts the bottom of the fixing groove 342 and the main body a. Then the guide block claw 26 opens. Subsequently, the push rod 32 moves the pressing block 33 towards the main body a, so that the pressing block 33 pushes the spring ring b sleeved on the guide block 34 onto the main body a.

[0065] Step 5: After step 4 is completed, push rod 32 drives press block 33 to move away from main body a. At the same time, guide block gripper 26 re-grips guide block 34. After push rod 32 retracts to its shortest length, guide block gripper 26 first moves along vertical guide rail 23, causing main body a to disengage from fixed groove 342. Then slider 27 moves along horizontal guide rail 22, causing guide block 34 to move to fitting station B. Subsequently, telescopic table 35 extends, causing main body gripper 37 to drive main body a to disengage from placement groove 381. After rotating table 36 rotates 180°, telescopic table 35 shortens, causing the end of main body a with spring ring b fitted to be embedded in placement groove 381.

[0066] Step Six: After completing Step Five, repeat Step Three and Step Four once to complete the assembly of the plum blossom contact.

[0067] Step 7: After assembly, the guide block 34 is held by the guide block gripper 26 and returns to the setting station B. The push rod 32 retracts and the telescopic table 35 extends, causing the finished product to detach from the fixing slot 342. Then, the fixing seat 38 moves to the placement station C, exposing the finished product collection port 12. Then, the main body gripper 37 opens, and the finished product falls into the finished product collection port 12. A conveyor belt or collection frame can be set on the side of the finished product collection port 12 facing away from the table 11 for convenient subsequent packaging.

[0068] Compared to existing technologies, this embodiment features a simpler structure and smaller footprint. It replaces most manual labor with machinery, allowing one worker to operate multiple units simultaneously with higher precision, resulting in consistent product quality. The placement station C is spaced apart from the processing station A, preventing accidental injury to the worker.

[0069] The guide block 34 also includes a guide wall 343 disposed on the side of the guide wall 341 near the platform 11. The guide wall 343 is frustum-shaped with its larger proximal end facing the guide wall 341. The guide wall 343 surrounds the fixing groove 342. The guide wall 341 and the guide wall 343 are connected by an arc-shaped surface 344. The outer wall of the guide block 34 is provided with four rotationally symmetrical moving grooves 345 along the axis of the guide block 34. The moving grooves 345 extend from the guide wall 341 to the guide wall 11. The number of pressing blocks 33 in wall 343 is the same as the number of moving grooves 345, and they are arranged one-to-one with the moving grooves 345. The height of the pressing block 33 along the extension direction of the push rod 32 is greater than the depth of the moving groove 345 along its own axial direction. When the pressing block 33 is inserted into the moving groove 345 and fits against the groove wall of the moving groove 345 near the table surface 11, the distance from the surface of the pressing block 33 facing away from the axis of the guide block 34 to the axis of the guide block 34 is greater than the maximum distance from the moving groove 345 to the axis of the guide block 34. When the spring ring b does not deform, the spring ring b is sleeved on the guide wall 341. As the pressing block 33 moves along the moving groove 345, the pressing block 33 pushes the spring ring b towards the table surface 11 until the spring ring b is pushed onto the guide wall 343. Under the action of the spring ring b's own elastic force, it moves along the guide wall 343 to the main body a.

[0070] The guide block gripper 26 includes two mirror-shaped gripping ends 261, each with a gripping groove 262. When the gripping ends 261 are gripped on the guide block 34, the bottom of the gripping groove 262 fits against the arc-shaped surface 344, and the two opposite groove walls of the gripping groove 262 fit against the guide wall 341 and the guide wall 343, respectively. This ensures stable gripping of the guide block by the gripper 26.

[0071] When spring ring b needs to be fitted onto sleeve rod 42, telescopic rod one 43 and telescopic rod three 45 retract, while telescopic rod two 44 extends. At this time, limiting end two 48 and convex ring two 422 form a limiting position, and telescopic rod four 46 extends, at which point limiting end four 410 abuts against the outer wall of sleeve rod 42. Then, spring ring b is sequentially fitted onto sleeve rod 42 manually or using a vibratory feeder or other machinery. The maximum radial diameter of convex ring one 421 and convex ring two 422 along sleeve rod 42 is smaller than the inner diameter of spring ring b, and spring ring b forms a limiting position with limiting end two 48. After a certain number of spring rings b are fitted between convex ring one 421 and convex ring two 422, telescopic rod one 43 extends, causing limiting end one 47 to form a limiting position with convex ring one 421. Telescopic rod two 44 retracts, and spring ring b between convex ring one 421 and convex ring two 422 moves along sleeve rod 42 until it forms a limiting position with limiting end four 410. Subsequently, telescopic rod 2 44 extends again while telescopic rod 1 43 retracts, allowing spring ring b to be placed onto sleeve rod 42 again. Finally, telescopic rod 1 43 extends while telescopic rod 2 44 retracts, ensuring sleeve rod 42 is fully covered with spring ring b. Compared to the existing method of manually placing spring ring b onto guide block 34 one by one, the spring ring placement assembly 4 improves processing efficiency and reduces worker workload. Telescopic rod 1 43 and telescopic rod 2 44 can be manually controlled to open and close, or sensors can be used to detect the stacking height of spring ring b and control the opening and closing.

[0072] Telescopic rods 43, 44, 45, and 46 are all in pairs and mirror images of each other. Limiting ends 47 and 48 have identical shapes, as do convex rings 421 and 422. The outer wall of convex ring 421 is frustum-shaped, with its large-diameter end facing the frustum surface 11. Limiting end 47 has a mating groove 471 on its surface facing the sleeve rod 42. The cross-section of the mating groove 471 is an arc smaller than a semicircle, with a radius greater than the radial radius of the sleeve rod 42 and smaller than the radius of the large-diameter end of convex ring 421. This design allows for better fixation of the sleeve rod 42, and the shapes of convex rings 421 and 422 facilitate the passage of the spring coil b.

[0073] The limiting end 49 has an embedding groove 491 on its surface facing the sleeve rod 42. The cross-section of the embedding groove 491 is an arc smaller than a semicircle. The width of the limiting end 49 gradually increases from the side closer to the sleeve rod 42 to the side farther away from the sleeve rod 42. This facilitates the insertion of the limiting end 49 between two adjacent spring coils b.

[0074] In this embodiment, the angle between the telescopic rod 52 and the table surface 11 is greater than 70°, which facilitates the insertion of the elastic ring clamp 53 between the main body clamp 37 and the main body a. Because the telescopic rod 52 is inclined, the elastic ring clamp 53 can clamp the elastic ring regardless of whether the binding position of the elastic ring is higher or lower.

[0075] The elastic ring gripper 53 includes two elongated gripping arms 531. One end of each gripping arm 531, away from the telescopic rod 52, has a bent end 532 that bends towards the other gripping arm 531. When the elastic ring gripper 53 is closed, a gap exists between the two gripping arms 531, and the bent ends 532 of the two gripping arms 531 are staggered. After the elastic ring gripper 53 clamps the elastic ring, as the telescopic rod 52 retracts, the elastic ring moves within the gap between the two gripping arms 531 under its own elastic force until it forms a limit with the bent end 532. This prevents the elastic ring from detaching from the elastic ring gripper 53 due to its own elastic force caused by an excessively high clamping position.

[0076] This invention is not limited to the specific embodiments described above. Those skilled in the art can implement this invention using various other specific embodiments based on the content disclosed herein. Any simple changes or modifications made to the design structure and concept of this invention fall within the protection scope of this invention.

Claims

1. A plum blossom contact assembly machine, characterized in that: The system includes a worktable, a moving assembly, and a spring coil pressing assembly. The worktable includes a tabletop with a machining station and a setting station. The moving assembly includes a fixed frame, a horizontal guide rail, a vertical guide rail, and a guide block gripper. The fixed frame is fixed to the tabletop. The horizontal guide rail is mounted on the fixed frame and extends from the machining station to the setting station. A slider is mounted on the horizontal guide rail. The vertical guide rail is mounted on the slider and its extension direction is perpendicular to the tabletop. The guide block gripper is mounted on the vertical guide rail. The spring coil pressing assembly includes a support bracket, a push rod, a pressing block, a guide block, a telescopic table, a rotating table, a main gripper, and a fixed base. A support frame is mounted on the processing station. The push rod is mounted on the support frame, and the end of the push rod facing the table is fixed to the pressing block. The guide block is mounted on the side of the pressing block facing the table. The guide block includes a frustum-shaped guide wall, the large-diameter end of which faces the table. A fixing groove is provided on the surface of the guide block facing the table. The guide block is held and fixed by the guide block gripper. A telescopic platform is mounted on the side of the pressing block near the table. A rotating platform is mounted on the telescopic platform. The main gripper is mounted on the rotating platform. The rotating platform rotates along an axis parallel to the table. A fixed seat is mounted on the side of the main gripper near the table. The fixed seat has a circular placement groove.

2. The plum blossom contact assembly machine according to claim 1, characterized in that: It also includes a spring coil sleeve assembly, which includes a bracket two mounted on the sleeve station and a sleeve rod extending away from the table surface. The bracket two is provided with telescopic rod one, telescopic rod two, telescopic rod three, and telescopic rod four arranged sequentially towards the table surface. The moving direction of telescopic rod one, telescopic rod two, telescopic rod three, and telescopic rod four is perpendicular to the axis of the sleeve rod. The ends of telescopic rod one, telescopic rod two, telescopic rod three, and telescopic rod four facing the sleeve rod are respectively provided with limiting end one, limiting end two, limiting end three, and limiting end four. The outer wall of the sleeve rod is provided with a protruding ring one that limits the limiting end one and a protruding ring two that limits the limiting end two.

3. The plum blossom contact assembly machine according to claim 2, characterized in that: The bottom of the fixing groove is provided with multiple positioning grooves arranged sequentially along the circumference of the fixing groove.

4. The plum blossom contact assembly machine according to claim 3, characterized in that: It also includes an elastic ring removal component. The table surface is provided with a placement station, which is located on the side of the processing station away from the fitting station. The moving component also includes a desktop guide rail extending from the placement station to the processing station. The fixed base and the telescopic table are both set on the desktop guide rail. The elastic ring removal component includes a bracket three, a telescopic rod five, and an elastic ring gripper. The bracket three is mounted on the side of the placement station close to the processing station. The telescopic rod five is mounted on the bracket three. The side of the telescopic rod five closest to the table surface is inclined away from the processing station. There are two telescopic rods five, and the sides of the two telescopic rods five are close to each other. The elastic ring gripper is located on the side of the telescopic rod five facing the table surface. The table surface is provided with an elastic ring collection port opposite to the elastic ring gripper.

5. The plum blossom contact assembly machine according to claim 4, characterized in that: The desktop guide rail includes an inner guide rail and an outer guide rail. The fixed base is set on the inner guide rail, and the telescopic platform is set on the outer guide rail. The platform is provided with a finished product collection port opposite to the pressing block.

6. A plum blossom contact assembly machine according to claim 4 or 5, characterized in that: The guide block also includes a guide wall disposed on the side of the guide wall near the table surface. The guide wall is frustum-shaped with its larger proximal end facing the guide wall. The guide wall surrounds the fixed groove. The guide wall and the guide wall are connected by an arc-shaped surface. The outer wall of the guide block is provided with at least three rotatingly symmetrical moving grooves along the axis of the guide block. The moving grooves extend from the guide wall to the guide wall. The number of press-in blocks is the same as the number of moving grooves and is arranged opposite to each moving groove. The height of the press-in block along the extension direction of the push rod is greater than or equal to the depth of the moving groove along its own axial direction. When the press-in block is inserted into the moving groove and fits against the groove wall of the moving groove near the table surface, the distance from the surface of the press-in block facing away from the axis of the guide block to the axis of the guide block is greater than the maximum distance from the moving groove to the axis of the guide block.

7. A plum blossom contact assembly machine according to claim 6, characterized in that: The guide block gripper includes two mirror-shaped gripping ends, each with a gripping groove. When the gripping ends are gripped on the guide block, the bottom of the gripping groove fits against the arc-shaped surface, and the two opposite groove walls fit against the guide wall and the guide wall, respectively.

8. A plum blossom contact assembly machine according to claim 7, characterized in that: The elastic ring gripper includes two elongated gripping arms. One end of each gripping arm away from the telescopic rod five is provided with a bent end that bends toward the other gripping arm. When the elastic ring gripper is closed, there is a gap between the two gripping arms, and the bent ends of the two gripping arms are staggered.

9. A plum blossom contact assembly machine according to claim 2, 7, or 8, characterized in that: There are two telescopic rods (one, two, three, and four), all arranged in a mirror image. The first and second limiting ends have the same shape, and the first and second convex rings have the same shape. The outer wall of the first convex ring is frustum-shaped, with its large-diameter end facing the frustum surface. The surface of the first limiting end facing the sleeve has a mating groove. The cross-section of the mating groove is an arc less than or equal to a semicircle. The radius of the cross-section of the mating groove is greater than or equal to the radius of the radial cross-section of the sleeve. The radius of the cross-section of the mating groove is less than the radius of the large-diameter end of the first convex ring.

10. A plum blossom contact assembly machine according to claim 9, characterized in that: The limiting end three-way sleeve has an embedding groove on its surface. The cross-section of the embedding groove is an arc less than or equal to a semicircle. The width of the limiting end three-way sleeve gradually increases from the side closer to the sleeve to the side farther away from the sleeve.

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