A single-row chain automatic assembly machine with U-shaped attachment plate and assembly method

Abstract

An automated assembly machine for a single-row chain with a U-shaped attachment plate relates to the technical field of chain assembly machines, and includes a frame and a pin assembly upper mold mechanism, a U-shaped attachment plate feeding mechanism, a positioning mechanism, an inner single section and lower outer piece edge feeding mechanism, an upper outer piece assembly upper mold mechanism, a chain driving mechanism, an upper outer piece feeding mechanism, and a pin and lower outer piece feeding mechanism. An automated assembly method for a single-row chain with a U-shaped attachment plate includes the steps of feeding to assembly stations A and B, assembling actions, and driving the chain to move. The present invention breaks through the technical bottleneck of the industry development, realizes the automated assembly of a single-row chain with a U-shaped attachment plate, can significantly improve the assembly efficiency of the chain, improve the chain assembly quality, avoid human errors, and reduce production costs.

Description

Technical Field

[0001] The invention relates to the technical field of chain assembly machines, and in particular to an automatic assembly machine for a single-row chain with a U-shaped attachment plate and an assembly method. Background Art

[0002] like Figure 1 As shown in the figure, the single-row roller chain with U-shaped attachment plate is a chain with U-shaped attachment plate installed between the outer plate and the inner single section of the standard short pitch precision roller chain. This chain has the characteristics of stable transportation, safety and reliability, and wide application. In addition, rubber can be installed on this U-shaped attachment plate (the rubber material can be NR, NBR, PUR and other materials, and can be designed in different shapes and states according to the use requirements). It is widely used in packaging machinery (grain silo transportation of wheat, corn, peanuts and other food crops), PVC pipe drawing, ceramic products, glass products and other fields, for various types of machinery, conveyor lines and other conveying items.

[0003] At present, the automatic assembly machines for beltless U-shaped attached plates single-row roller chains in the industry mainly rely on manual assembly, with complex process and high labor intensity, low production efficiency, severely limited production capacity, poor chain assembly quality, laborious and time-consuming chain rework, safety hazards in manual operation, and inability to achieve automated production. The chain production and manufacturing cost is high, and it is an assembly bottleneck process that is difficult to break through in the industry. Summary of the invention

[0004] The present invention provides an automatic assembly machine and assembly method for a single-row chain with a U-shaped attached plate. The assembly machine can realize the automatic assembly of a single-row chain with a U-shaped attached plate, thereby significantly improving the chain assembly efficiency and assembly quality, effectively reducing product manufacturing costs, and breaking through the technical bottleneck in the industry.

[0005] To achieve the above object, the technical solution of the present invention is as follows:

[0006] The utility model discloses a single-row chain automatic assembly machine with a U-shaped attachment plate, comprising a frame and a pin shaft assembly upper mold mechanism arranged on the frame, a U-shaped attachment plate feeding mechanism, a positioning mechanism, an inner single section and a lower outer plate edge feeding mechanism, an upper outer plate assembly upper mold mechanism, a chain driving mechanism, an upper outer plate feeding mechanism, a pin shaft and a lower outer plate feeding mechanism.

[0007] Preferably, the top of the frame is provided with a left platform and a right platform connected to each other, and a mounting plate is connected to the upper end of the left platform through a guide column, the pin shaft assembly upper mold mechanism and the upper outer plate assembly upper mold mechanism are fixedly connected to the top surface of the mounting plate, and the working ends of the pin shaft assembly upper mold mechanism and the upper outer plate assembly upper mold mechanism respectively penetrate the lower surface of the mounting plate and are respectively opposite to the assembly station A and the assembly station B on the left platform, and the mounting plate is connected to the beam arm of the assembly machine; the positioning mechanism includes a receiving guide rail arranged on the upper surface of the left platform, and the assembly station A and the assembly station B are arranged on the receiving guide rail from left to right in sequence.

[0008] Preferably, the inner single section and lower outer sheet edge feeding mechanism includes an inner single section feeding plate, the end of the inner single section feeding plate is opposite to the left end of the receiving guide rail, and the inner single section can be transported to the assembly station A along the receiving guide rail under the drive of the first driving mechanism; a first through opening is provided on the side wall of the receiving guide rail facing the front side, and the pin shaft and lower outer sheet feeding mechanism includes a lower outer sheet feeding plate, the end of the lower outer sheet feeding plate is opposite to the first through opening, and the lower outer sheet is transported to the assembly station A under the drive of the second driving mechanism; the pin shaft and lower outer sheet feeding mechanism also includes a pin shaft feeding plate, the pin shaft feeding The pin is fixed at the end of the material plate by a mechanical clamp device, and the pin is transported to the top of the assembly station A under the drive of the third driving mechanism; a second through-hole is provided on the side wall of the receiving guide rail facing the rear side, and the U-shaped attached plate feeding mechanism includes a U-shaped attached plate feeding plate, and the end of the U-shaped attached plate feeding plate is opposite to the second through-hole, and the U-shaped attached plate is transported to the assembly station A under the drive of the fourth driving mechanism; the working end of the pin assembly upper mold mechanism includes a pin assembly punch, and the end of the pin assembly punch is opposite to the assembly station A, and the pin is assembled under the drive of the assembly machine beam arm.

[0009] Preferably, a guide groove is provided along the upper surface of the receiving guide rail for guiding the exposed portion of the bottom end of the pin shaft, and the positioning mechanism also includes a pin shaft assembly lower guide nail mechanism arranged below the receiving guide rail, and the fixed end of the pin shaft assembly lower guide nail mechanism is fixedly connected to the lower end of the left platform, and the working end can telescopically penetrate the upper surface and the guide groove of the left platform, and is opposite to the assembly station A.

[0010] Preferably, the inner single section and lower outer sheet side feeding mechanism further comprises a lower outer sheet side feeding plate, and the lower outer sheet side feeding plate conveys the lower outer sheet to the end of the lower outer sheet feeding plate through a fifth driving mechanism.

[0011] Preferably, the first drive mechanism, the second drive mechanism, the third drive mechanism, the fourth drive mechanism and the fifth drive mechanism all include their own driving cylinders and guide rails for limiting and guiding the assembly parts. When the inner single section, the U-shaped attached plate, the lower outer plate and the pin shaft are pushed to the assembly station A, the opposite ends of the adjacent inner single sections are covered by the U-shaped attached plate and the lower outer plate is located on the lower side of the U-shaped attached plate, the connecting holes at the opposite ends of the adjacent inner single sections are aligned with the corresponding connecting holes of the U-shaped attached plate and the lower outer plate, and the pin shaft is coaxially opposite to the connecting holes; the driving cylinder and the guide rail are respectively fixedly connected to the upper surface of the left platform.

[0012] Preferably, the upper outer sheet feeding mechanism includes an upper outer sheet feeding plate, and the upper outer sheet assembly upper mold mechanism includes an upper outer sheet assembly punch, and the upper outer sheet assembly punch presses the upper outer sheet into place and performs pin riveting under the drive of the assembly machine beam arm.

[0013] Preferably, the height of the upper end of the right platform is higher than the height of the upper end of the left platform, and the chain drive mechanism includes a servo motor installed at the bottom end of the right platform. The output shaft of the servo motor can rotatably pass through the upper surface of the right platform and is fixedly connected with a chain drive sprocket. The receiving guide rail extends to the upper surface of the right platform, and the chain drive sprocket passes through the side wall of the receiving guide rail and is meshed with the assembled chain.

[0014] Preferably, the U-shaped attached plate feeding mechanism, the inner single section and lower outer sheet edge feeding mechanism, and the upper outer sheet feeding mechanism are respectively fed by a parts feeding device arranged on the assembly machine. The assembly machine is provided with a control mechanism, and the assembly process of the entire chain is controlled by the control mechanism.

[0015] An automatic assembly method for a single-row chain with a U-shaped attachment plate comprises the following steps:

[0016] Step 1: The inner single section and lower outer sheet side feeding mechanism control the lower outer sheet side feeding plate and the inner single section feeding plate to move simultaneously, push the lower outer sheet to the lower outer sheet feeding plate, and push the inner single section to the assembly station A;

[0017] Step 2: The U-shaped attachment plate feeding mechanism, the pin shaft and the lower outer plate feeding mechanism are simultaneously operated to push the lower outer plate, the pin shaft and the U-shaped attachment plate to the assembly station A respectively, and the upper outer plate feeding mechanism sends the upper outer plate to the assembly station B at the same time;

[0018] Step 3: The guide pin mechanism under the pin assembly rises to position the lower outer plate, U-shaped attachment plate, and inner single section before assembly;

[0019] Step 4: The pin shaft assembly upper die mechanism and the upper outer plate assembly upper die mechanism are pressed down at the same time for assembly, and the pin shaft is pressed into the U-shaped attached plate, the inner single section, and the lower outer plate. At the same time, the assembly station B completes the upper outer plate assembly action;

[0020] Step 5: The upper die mechanism of the pin assembly station, the lower guide nail mechanism of the pin assembly, the upper die mechanism of the upper outer piece assembly, the inner single section and the lower outer piece edge feeding mechanism, the U-shaped attached plate feeding mechanism, the pin and the lower outer piece feeding mechanism, and the upper outer piece feeding mechanism automatically return to the origin after completing the assembly action;

[0021] Step 6: The chain drives the sprocket to rotate, and through engagement, the chain is driven to advance a certain distance according to the set stroke;

[0022] Step 7: Repeat steps 1-6 to complete the assembly of the single-row chain with U-shaped attachment plate.

[0023] The beneficial effects of the automatic assembly machine and assembly method of a single-row chain with a U-shaped attachment plate of the present invention are as follows:

[0024] The present invention breaks through the technical bottleneck of industry development and realizes the automated assembly of single-row chains with U-shaped attached plates, which can significantly improve the assembly efficiency of the chains, improve the chain assembly quality, avoid human errors, reduce production costs, meet the needs of automated transportation, and promote the rapid development of the industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 : Schematic diagram of single-row chain structure with U-shaped attachment plate;

[0026] Figure 2 : A schematic diagram of the main structure of the assembly machine of the present invention;

[0027] Figure 3 , a front structural schematic diagram of the assembly machine of the present invention;

[0028] Figure 4 , a side structural schematic diagram of the assembly machine of the present invention;

[0029] Figure 5 , a schematic diagram of the top view of the assembly machine of the present invention;

[0030] Figure 6 , a schematic diagram of the process of the assembly method of the present invention;

[0031] 100, assembled chain; 101, inner single section; 102, U-shaped attachment plate; 103, single-row pin shaft; 104, upper outer plate; 105, lower outer plate;

[0032] 1. Pin assembly upper die mechanism; 1-1. Pin assembly punch; 2. U-shaped attached plate feeding mechanism; 2-1. U-shaped attached plate feeding plate; 3. Positioning mechanism; 4. Inner single section and lower outer sheet side feeding mechanism; 4-1. Lower outer sheet side feeding plate; 4-2. Inner single section feeding plate; 5. Upper outer sheet assembly upper die mechanism; 5-1. Upper outer sheet assembly punch; 6. Chain drive mechanism; 6-1. Chain drive sprocket; 7. Frame; 8. Upper outer sheet feeding mechanism; 8-1. Upper outer sheet feeding plate; 9. Lower outer sheet feeding mechanism; 9-1. Lower outer sheet feeding plate; 9-2. Pin feeding plate; 10. Pin assembly lower guide nail mechanism; 11. Receiving guide rail; 12. Guide rail. DETAILED DESCRIPTION

[0033] The following describes in detail the implementation mode of the present invention in a step-by-step manner. The description is only a preferred embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

[0034] In the description of the present invention, it should be noted that the directions or positional relationships indicated by terms such as “upper”, “lower”, “left”, “right”, “top”, “bottom”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings, and are only for the purpose of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, and a specific direction structure and operation, and therefore cannot be understood as a limitation on the present invention.

[0035] The technical basis of the present invention is the existing chain assembly machine. Therefore, the contents not described in the present invention are solved by means of the prior art, such as the control mechanism, adjustment mechanism, front part positioning mechanism, rear part positioning mechanism, hydraulic system, air pressure system, various guide rails, and receiving rails commonly used in the assembly machine.

[0036] Embodiment 1:

[0037] A single-row chain automatic assembly machine with a U-shaped attachment plate, such as Figure 1-6 As shown, it includes a frame 7 and a pin shaft assembly upper mold mechanism 1 arranged on the frame 7, a U-shaped attached plate feeding mechanism 2, a positioning mechanism 3, an inner single section and lower outer sheet edge feeding mechanism 4, an upper outer sheet assembly upper mold mechanism 5, a chain driving mechanism 6, an upper outer sheet feeding mechanism 8, and a pin shaft and lower outer sheet feeding mechanism 9.

[0038] like Figure 2-5As shown, the top of the frame 7 is provided with a left platform (not shown in the figure) and a right platform (not shown in the figure) which are connected to each other, and a mounting plate (not shown in the figure) is connected to the upper end of the left platform through a guide column (not shown in the figure), and the pin shaft assembly upper mold mechanism 1 and the upper outer plate assembly upper mold mechanism 5 are fixedly connected to the top surface of the mounting plate, and the working ends of the pin shaft assembly upper mold mechanism 1 and the upper outer plate assembly upper mold mechanism 5 respectively penetrate the lower surface of the mounting plate and are respectively opposite to the assembly station A and the assembly station B on the left platform, and the mounting plate is connected to the beam arm of the assembly machine (not shown in the figure), and the assembly action is performed under the drive of the beam arm.

[0039] like Figure 2 , 4 As shown, the positioning mechanism includes a receiving guide rail arranged on the upper surface of the left platform, and the assembly station A and the assembly station B are arranged on the receiving guide rail from left to right in sequence. The receiving guide rail is a guide rail for limiting and guiding the chain and chain parts. It is a prior art and will not be described in detail.

[0040] like Figure 2 , 6 As shown, the inner single section and lower outer sheet edge feeding mechanism 4 includes an inner single section feeding plate 4-2 (the feeding plate is a prior art, and its function is to push the inner single section to the specified position and keep it in position), the end of the inner single section feeding plate 4-2 is opposite to the left end of the receiving guide rail, and the inner single section can be transported to the assembly station A along the receiving guide rail under the drive of the first driving mechanism; a first through hole (not shown in the figure) is provided on the side wall of the receiving guide rail facing the front side, the pin shaft and lower outer sheet feeding mechanism 9 includes a lower outer sheet feeding plate 9-1, the end of the lower outer sheet feeding plate 9-1 is opposite to the first through hole, and the lower outer sheet is transported to the assembly station A under the drive of the second driving mechanism; the pin shaft and lower outer sheet feeding mechanism 9 also includes a pin shaft feeding plate 9- 2. The end of the pin feed plate is fixed to the pin by a mechanical clamp device (which is the prior art and will not be described in detail), and the pin is transported to the top of the assembly station A under the drive of the third drive mechanism; a second through hole (not shown in the figure) is provided on the side wall of the receiving guide rail facing the rear side, and the U-shaped attached plate feeding mechanism 2 includes a U-shaped attached plate feeding plate 2-1, and the end of the U-shaped attached plate feeding plate 2-1 is opposite to the second through hole, and the U-shaped attached plate is transported to the assembly station A under the drive of the fourth drive mechanism; the working end of the pin assembly upper mold mechanism 1 includes a pin assembly punch 1-1, and the end of the pin assembly punch 1-1 is opposite to the assembly station A, and the pin is assembled under the drive of the assembly machine beam arm (not shown in the figure).

[0041] like Figure 2 , 5As shown, the upper surface of the receiving guide rail 11 is provided with a guide groove along its direction for guiding the exposed part of the bottom end of the pin shaft (not drawn in the figure, the purpose is to better guide and position the chain), and the positioning mechanism also includes a pin shaft assembly lower guide nail mechanism 10 arranged below the receiving guide rail 11, and the fixed end of the pin shaft assembly lower guide nail mechanism 10 is fixedly connected to the lower end of the left platform, and the working end can telescopically penetrate the upper surface and the guide groove of the left platform, and is opposite to the assembly station A.

[0042] like Figure 2 , 6 As shown, the inner single section and lower outer sheet side feeding mechanism 4 also includes a lower outer sheet side feeding plate 4-1, and the lower outer sheet side feeding plate 4-1 conveys the lower outer sheet to the end of the lower outer sheet feeding plate 9-1 through the fifth driving mechanism.

[0043] like Figure 2-5 As shown, the first drive mechanism, the second drive mechanism, the third drive mechanism, the fourth drive mechanism and the fifth drive mechanism all include their own driving cylinders and guide rails for limiting and guiding the assembly parts (which are commonly used technologies in assembly machines and will not be described in detail). When the inner single section, the U-shaped attached plate, the lower outer plate and the pin shaft are pushed to the assembly station A, the opposite ends of the adjacent inner single sections are covered by the U-shaped attached plate and the lower outer plate is located on the lower side of the U-shaped attached plate, the connecting holes at the opposite ends of the adjacent inner single sections are aligned with the corresponding connecting holes of the U-shaped attached plate and the lower outer plate, and the pin shaft is coaxially opposite to the connecting holes; the driving cylinder and the guide rail are respectively fixedly connected to the upper surface of the left platform.

[0044] like Figure 2 , 6 As shown, the upper outer sheet feeding mechanism 8 includes an upper outer sheet feeding plate 8-1, and the upper outer sheet assembly upper mold mechanism 5 includes an upper outer sheet assembly punch 5-1 (opposite to the assembly station B). The upper outer sheet assembly punch, driven by the assembly machine beam arm, presses the upper outer sheet into place and performs pin rivet, that is, while pressing into place, the end of the pin is riveted through the riveting die in the punch.

[0045] like Figure 2 As shown, the height of the upper end of the right platform is higher than that of the upper end of the left platform, the chain drive mechanism 6 includes a servo motor (not shown) installed at the bottom end of the right platform, the output shaft of the servo motor can rotate through the upper surface of the right platform, and is fixedly connected with a chain drive sprocket 6-1, the receiving guide rail 11 extends to the upper surface of the right platform, and the chain drive sprocket 6-1 passes through the side wall of the receiving guide rail and is meshed with the assembled chain. The function of the right platform is mainly to store the assembled chain, and at the same time, the chain drive sprocket 6-1 driven by the servo motor can accurately pull the chain to move a set distance according to the assembly action.

[0046] like Figure 2 , 6 As shown, the U-shaped attached plate feeding mechanism 2, the inner single section and lower outer sheet edge feeding mechanism 4, and the upper outer sheet feeding mechanism 8 are respectively fed by a parts feeding device arranged on the assembly machine, such as a vibration plate. The assembly machine is provided with a control mechanism, and the assembly process of the entire chain is controlled by the control mechanism.

[0047] Embodiment 2:

[0048] A method for automating the assembly of a single-row chain with a U-shaped attachment plate, such as Figure 2 , 6 As shown, the following steps are included:

[0049] Step 1: The inner single section and lower outer sheet side feeding mechanism 4 controls the lower outer sheet side feeding plate 4-1 and the inner single section feeding plate 4-2 to move simultaneously, pushes the lower outer sheet to the lower outer sheet feeding plate 9-1, and pushes the inner single section to the assembly station A;

[0050] Step 2: The U-shaped attachment plate feeding mechanism 2, the pin shaft and the lower outer sheet feeding mechanism 9 are simultaneously operated to push the lower outer sheet, the pin shaft and the U-shaped attachment plate to the assembly station A respectively, and the upper outer sheet feeding mechanism 8 delivers the upper outer sheet to the assembly station B at the same time;

[0051] Step 3: The guide pin mechanism 10 of the pin shaft assembly rises to position the lower outer plate, the U-shaped attachment plate and the inner single section before assembly;

[0052] Step 4: The pin assembly upper die mechanism 1 and the upper outer plate assembly upper die mechanism 5 are simultaneously pressed down for assembly, and the pin is pressed into the U-shaped attachment plate, the inner single section, and the lower outer plate, and at the same time, the assembly station B completes the upper outer plate assembly action;

[0053] Step 5: The upper die mechanism 1 of the pin assembly station, the lower guide nail mechanism 10 of the pin assembly, the upper die mechanism 5 of the upper outer piece assembly, the inner single section and the lower outer piece side feeding mechanism 4, the U-shaped attached plate feeding mechanism 2, the pin and the lower outer piece feeding mechanism 9 and the upper outer piece feeding mechanism 8 automatically return to the origin after completing the assembly action; that is, the inner single section and the lower outer piece side feeding mechanism 4, the U-shaped attached plate feeding mechanism 2, the pin and the lower outer piece feeding mechanism 9, the upper outer piece feeding mechanism 8 and the lower guide nail mechanism 10 of the pin assembly accurately position the U-shaped attached plate, the lower outer piece and the inner single section at the assembly station A through the positioning mechanism 3, and then the assembly can be started, and the assembly action returns to the origin after the assembly action is completed;

[0054] Step 6: The chain drives the sprocket 6-1 to rotate, and through engagement, the chain is driven to advance a certain distance according to the set stroke;

[0055] Step 7: Repeat steps 1-6 to complete the assembly of the single-row chain with U-shaped attachment plate.

[0056] The automated assembly method in this embodiment refers to a method in the assembly process, through which the automated assembly of the chain with a U-shaped attached plate can be realized, which can greatly improve work efficiency and ensure chain quality.

Claims

1. A single-row chain automatic assembly machine with a U-shaped attachment plate, characterized by: It includes a frame and a pin-shaft assembly upper die mechanism, a U-shaped attached plate feeding mechanism, a positioning mechanism, an inner single section and lower outer sheet edge feeding mechanism, an upper outer sheet assembly upper die mechanism, a chain driving mechanism, an upper outer sheet feeding mechanism, a pin-shaft and lower outer sheet feeding mechanism; The top of the frame is provided with a left platform and a right platform connected to each other, and a mounting plate is connected to the upper end of the left platform through a guide column, and the pin shaft assembly upper mold mechanism and the upper outer plate assembly upper mold mechanism are fixedly connected to the top surface of the mounting plate, and the working ends of the pin shaft assembly upper mold mechanism and the upper outer plate assembly upper mold mechanism respectively penetrate the lower surface of the mounting plate and are respectively opposite to the assembly station A and the assembly station B on the left platform, and the mounting plate is connected to the beam arm of the assembly machine; the positioning mechanism includes a receiving guide rail arranged on the upper surface of the left platform, and the assembly station A and the assembly station B are arranged on the receiving guide rail from left to right in sequence; The inner single section and lower outer sheet edge feeding mechanism includes an inner single section feeding plate, the end of the inner single section feeding plate is opposite to the left end of the receiving guide rail, and the inner single section can be transported to the assembly station A along the receiving guide rail under the drive of the first driving mechanism; a first through opening is provided on the side wall of the receiving guide rail facing the front side, and the pin shaft and lower outer sheet feeding mechanism includes a lower outer sheet feeding plate, the end of the lower outer sheet feeding plate is opposite to the first through opening, and the lower outer sheet is transported to the assembly station A under the drive of the second driving mechanism; the pin shaft and lower outer sheet feeding mechanism also includes a pin shaft feeding plate, the pin shaft feeding plate The end of the pin is fixed by a mechanical clamp device, and the pin is transported to the top of the assembly station A under the drive of the third driving mechanism; a second through-hole is provided on the side wall of the receiving guide rail facing the rear side, and the U-shaped attached plate feeding mechanism includes a U-shaped attached plate feeding plate, the end of the U-shaped attached plate feeding plate is opposite to the second through-hole, and the U-shaped attached plate is transported to the assembly station A under the drive of the fourth driving mechanism; the working end of the pin assembly upper mold mechanism includes a pin assembly punch, the end of the pin assembly punch is opposite to the assembly station A, and the pin is assembled under the drive of the assembly machine beam arm; The inner single section and lower outer sheet side feeding mechanism also includes a lower outer sheet side feeding plate, and the lower outer sheet side feeding plate conveys the lower outer sheet to the end of the lower outer sheet feeding plate through the fifth driving mechanism.

2. The automatic assembly machine for single-row chains with U-shaped attachment plates as claimed in claim 1, characterized in that: The upper surface of the receiving guide rail is provided with a guide groove along its direction for guiding the exposed part of the bottom end of the pin shaft. The positioning mechanism also includes a pin shaft assembly lower guide nail mechanism arranged below the receiving guide rail. The fixed end of the pin shaft assembly lower guide nail mechanism is fixedly connected to the lower end of the left platform, and the working end can be telescopically penetrated through the upper surface and the guide groove of the left platform, and is opposite to the assembly station A.

3. The automatic assembly machine for single-row chains with U-shaped attachment plates as claimed in claim 2, characterized in that: The first driving mechanism, the second driving mechanism, the third driving mechanism, the fourth driving mechanism and the fifth driving mechanism all include their own driving cylinders and guide rails for limiting and guiding the assembly parts. When the inner single section, the U-shaped attached plate, the lower outer plate and the pin shaft are pushed to the assembly station A, the opposite ends of the adjacent inner single sections are covered by the U-shaped attached plate and the lower outer plate is located on the lower side of the U-shaped attached plate, the connecting holes at the opposite ends of the adjacent inner single sections are aligned with the corresponding connecting holes of the U-shaped attached plate and the lower outer plate, and the pin shaft is coaxially opposite to the connecting hole; the driving cylinder and the guide rail are respectively fixedly connected to the upper surface of the left platform.

4. The single-row chain automatic assembly machine with U-shaped attachment plate as claimed in claim 3, characterized in that: The upper outer sheet feeding mechanism comprises an upper outer sheet feeding plate, and the upper outer sheet assembly upper die mechanism comprises an upper outer sheet assembly punch. The upper outer sheet assembly punch presses the upper outer sheet into place and performs pin riveting under the drive of the assembly machine beam arm.

5. The automatic assembly machine for single-row chains with U-shaped attachment plates as claimed in claim 4, characterized in that: The height of the upper end of the right platform is higher than that of the upper end of the left platform. The chain drive mechanism includes a servo motor installed at the bottom end of the right platform. The output shaft of the servo motor can rotatably penetrate the upper surface of the right platform and is fixedly connected with a chain drive sprocket. The receiving guide rail extends to the upper surface of the right platform, and the chain drive sprocket passes through the side wall of the receiving guide rail and is meshed with the assembled chain.

6. The automatic assembly machine for single-row chains with U-shaped attachment plates as claimed in claim 5, characterized in that: The U-shaped attached plate feeding mechanism, the inner single section and lower outer sheet edge feeding mechanism, and the upper outer sheet feeding mechanism are respectively fed by a parts feeding device arranged on the assembly machine. The assembly machine is provided with a control mechanism, and the assembly process of the entire chain is controlled by the control mechanism.

7. An automated assembly method for a single-row chain with a U-shaped attachment plate, characterized by: The single-row chain automatic assembly machine with a U-shaped attachment plate as claimed in claim 6 comprises the following steps: Step 1: The inner single section and lower outer sheet side feeding mechanism control the lower outer sheet side feeding plate and the inner single section feeding plate to move simultaneously, push the lower outer sheet to the lower outer sheet feeding plate, and push the inner single section to the assembly station A; Step 2: The U-shaped attachment plate feeding mechanism, the pin shaft and the lower outer plate feeding mechanism are simultaneously operated to push the lower outer plate, the pin shaft and the U-shaped attachment plate to the assembly station A respectively, and the upper outer plate feeding mechanism sends the upper outer plate to the assembly station B at the same time; Step 3: The guide pin mechanism under the pin assembly rises to position the lower outer plate, U-shaped attachment plate, and inner single section before assembly; Step 4: The pin shaft assembly upper die mechanism and the upper outer plate assembly upper die mechanism are pressed down at the same time for assembly, and the pin shaft is pressed into the U-shaped attached plate, the inner single section, and the lower outer plate. At the same time, the assembly station B completes the upper outer plate assembly action; Step 5: The upper die mechanism of the pin assembly station, the lower guide nail mechanism of the pin assembly, the upper die mechanism of the upper outer piece assembly, the inner single section and the lower outer piece edge feeding mechanism, the U-shaped attached plate feeding mechanism, the pin and the lower outer piece feeding mechanism, and the upper outer piece feeding mechanism automatically return to the origin after completing the assembly action; Step 6: The chain drives the sprocket to rotate, and through meshing, the chain is driven to advance a certain distance according to the set stroke; Step 7: Repeat steps 1-6 to complete the assembly of the single-row chain with U-shaped attachment plate.

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