Multifunctional assembling machine

Abstract

The utility model relates to the technical field of automatic production equipment, and provides a multifunctional assembling machine, which integrates a rotating mechanism, an assembling mechanism, a discharging mechanism and a controller, and realizes full-course automatic processing of products from placing, positioning, assembling to discharging. The rotating table drives the rotating disc to rotate, and a plurality of positioning holes are formed in the rotating disc and used for containing to-be-assembled products. The assembling mechanism achieves accurate positioning and assembling of products through an air cylinder assembly and an assembling tool. The discharging mechanism is used for blowing out the assembled products and conveying the assembled products to a material taking box. And the controller is used for controlling the whole assembly process. In addition, the utility model further provides a method for assembling the protective cap and the plug valve by using the multifunctional assembling machine. For the assembly of the protective caps, the protective caps are placed in the positioning holes, and the automatic assembly of the protective caps is completed under the control of the controller. And for the assembly of the plug valve, the plug valve is placed in the groove of the mounting seat to be assembled. According to the multifunctional assembling machine and the using method thereof, the production efficiency and the product quality are improved.

Description

Technical Field

[0001] This utility model relates to the field of automated production equipment technology, specifically to a multi-functional assembly machine capable of continuously and automatically assembling multiple products. Background Technology

[0002] In the existing manufacturing sector, traditional assembly machines generally suffer from problems such as complex structure, limited functionality, and high price. These traditional assembly machines can often only assemble a single type of product. When different types of products need to be produced, it is usually necessary to replace the entire assembly line or make large-scale adjustments, which is not only time-consuming and labor-intensive, but also greatly increases production costs.

[0003] In addition, the complex structure of traditional assembly machines makes them difficult to maintain and repair. Once a malfunction occurs, it often requires professional technicians to carry out repairs for a long time, which not only affects production efficiency but also increases the company's operating costs.

[0004] Furthermore, with the continuous changes in the market and the diversification of consumer demands, companies need to be able to quickly adjust their production lines to produce different types of products. However, traditional assembly machines, due to their single function, are difficult to meet such rapidly changing market demands.

[0005] In view of the above problems, there is an urgent need for an assembly machine with a simple and stable structure, capable of assembling multiple products and with low cost, in order to improve production efficiency, reduce costs and meet market demands. Utility Model Content

[0006] One objective of this invention is to provide a multi-functional assembly machine, which is an efficient, flexible, and easy-to-operate automated assembly device suitable for the assembly needs of various products. This multi-functional assembly machine achieves a fully automated process from product positioning and assembly to unloading, significantly improving production efficiency and reducing labor costs.

[0007] To solve the above-mentioned technical problems, this utility model provides a multi-functional assembly machine, comprising:

[0008] A rotating mechanism includes a rotating table and a turntable. The rotating table is used to drive the turntable to rotate, and the turntable is provided with positioning holes for placing products to be assembled.

[0009] An assembly mechanism, located above a turntable, includes a cylinder assembly and an assembly fixture. The cylinder assembly and the assembly fixture are fixedly connected and cooperate with each other to position and assemble the product.

[0010] The discharge mechanism, located on one side of the turntable, includes an air blowing device and a conveying channel, used to blow the assembled products off the turntable and convey them to the material picking box;

[0011] The controller, configured as a programmable logic controller, is electrically connected to the rotary table, assembly mechanism, and unloading mechanism, and is used to control the rotation of the rotary table and the assembly and unloading of the assembly and unloading mechanisms.

[0012] In addition to the above-mentioned technical features, this application also makes improvements in the following aspects:

[0013] In some embodiments, the assembly fixture includes a connecting block and a stamping assembly, the stamping assembly being mounted on the connecting block, wherein the stamping assembly includes a positioning post, an ejector pin, and an elastic element;

[0014] The positioning post is configured as a guide sleeve structure, and the ejector pin and elastic element are disposed inside the guide sleeve structure. One end of the ejector pin is fixed, and the elastic element is sleeved on the ejector pin, with one end fixed and the other end extending out of the free end of the ejector pin. The elastic element is used to hold the assembled product in place during and after assembly.

[0015] In some embodiments, during product assembly, the piston rod of the cylinder assembly moves downward, and the product to be assembled is positioned at the center of the hollow part of the positioning post through the positioning post with the guide sleeve structure. The product is then pressed to the set position by the ejector pin to complete the product assembly. After the product assembly is completed, the elastic element holds the product in place, and the piston rod of the cylinder assembly returns to its original position.

[0016] In some embodiments, the upper part of the turntable is provided with a plurality of positioning holes, which are distributed in a ring array on the upper part of the turntable, and each positioning hole can be used to place the product to be assembled.

[0017] In some embodiments, the assembly fixture and discharge mechanism are detachably connected to the turntable to accommodate different products to be assembled.

[0018] In some embodiments, the product to be assembled includes a protective cap, the lower part of which is provided with a connecting portion. The protective cap is matched with a positioning hole on the turntable through the connecting portion. During assembly, the protective cap is placed at the positioning hole on the turntable.

[0019] In some embodiments, the product to be assembled further includes a plug valve, and a mounting seat is provided at the location where the plug valve is assembled. There are multiple mounting seats, and each mounting seat is installed on a positioning hole provided on the turntable, with one mounting seat installed for each positioning hole.

[0020] In some embodiments, the mounting base has a groove, the shape of which matches the shape of the stopcock valve. The bottom of the groove has an opening, through which the air blowing device blows the assembled stopcock valve from the turntable and into the material box via the discharge mechanism.

[0021] By adopting the above technical solution, this utility model has at least one of the following beneficial effects:

[0022] 1. Highly efficient automated assembly:

[0023] This utility model's multi-functional assembly machine achieves fully automated processes from positioning and assembly to unloading of products by controlling the coordinated operation of the rotating mechanism, assembly mechanism, and unloading mechanism through controller programming. This significantly improves production efficiency, reduces manual intervention, and lowers labor costs.

[0024] 2. Precise positioning and assembly:

[0025] The cylinder assembly in the assembly mechanism works in conjunction with the assembly tooling, using positioning pins and ejector pins to achieve precise positioning and pressing assembly of the products to be assembled, ensuring the consistency of assembly accuracy and product quality.

[0026] 3. Highly flexible and adaptable:

[0027] The turntable has multiple positioning holes on its upper part, and the assembly tooling and discharge mechanism are detachably connected to the turntable, which makes this multi-functional assembly machine easily adaptable to products of different shapes and sizes to be assembled, thus improving the equipment's versatility and flexibility.

[0028] 4. Intelligent control:

[0029] By using a programmable logic controller (PLC) as the core control unit, precise control of the rotary table, assembly mechanism, and unloading mechanism is achieved, making the entire assembly process more intelligent and automated, while also facilitating program adjustment and optimization according to production needs.

[0030] 5. Stable and reliable assembly process:

[0031] The elastic component design in the assembly tooling can hold the product in place during and after assembly, ensuring the product's stability during the assembly process and preventing the product from shifting or being damaged due to external forces.

[0032] 6. Convenient material feeding and collection:

[0033] The air blowing device and transmission channel design in the discharge mechanism can efficiently blow the assembled products out of the turntable and transport them to the material collection box through the transmission channel, realizing rapid product unloading and convenient collection.

[0034] 7. Significant practical application results:

[0035] This multi-functional assembly machine can achieve efficient and precise assembly for different types of products, such as cap protectors and plug valves. For example, in cap protector assembly, the use of positioning pins and ejector pins ensures the cap is vertically centered and pressed into place; in plug valve assembly, the use of mounting bases and positioning blocks achieves stable positioning and assembly of the plug valve.

[0036] In summary, this multi-functional assembly machine features high efficiency and automation, precise positioning and assembly, strong flexibility and adaptability, intelligent control, a stable and reliable assembly process, and convenient material unloading and collection. It can meet the assembly needs of various types of products and provides strong technical support for the manufacturing industry. Attached Figure Description

[0037] The accompanying drawings, which are provided to further illustrate the present invention and constitute a part of the present invention, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0038] Figure 1 This is a schematic diagram of the overall structure of the multi-functional assembly machine for assembling protective caps according to this utility model;

[0039] Figure 2 This is a schematic diagram of the assembly structure in the multi-functional assembly machine for assembling protective caps according to this utility model;

[0040] Figure 3 This is a partial cross-sectional view of the assembly fixture in the multi-functional assembly machine for assembling protective caps according to this utility model;

[0041] Figure 4 This is a schematic diagram of the overall structure of the multi-functional assembly machine for assembling plug valves according to this utility model;

[0042] Figure 5 This is a schematic diagram of the structure of the multi-functional assembly machine for assembling plug valves, highlighting the cylinder assembly and mounting base in use.

[0043] Figure 6 A partial sectional view of the mounting base in a multi-functional assembly machine used for assembling plug valves;

[0044] The numbers in the diagram are as follows:

[0045] 1. Rotary table; 2. Turntable; 3. Positioning hole; 4. Cylinder assembly; 5. Assembly fixture; 6. Connecting block; 7. Stamping assembly; 8. Positioning pin; 9. Ejector pin; 10. Elastic element; 11. Air blowing device; 12. Transfer channel; 13. Material picking box; 14. Controller; 15. Protective cap; 16. Plug valve; 17. Mounting base; 171. Groove. Detailed Implementation

[0046] Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The descriptions of the exemplary embodiments are merely illustrative and are in no way intended to limit the present invention or its application or use. The present invention may be implemented in other different forms and is not limited to the embodiments described herein.

[0047] It should be noted that those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments without conflict. Unless otherwise defined, the technical or scientific terms involved in this invention should have the ordinary meaning understood by those skilled in the art to which this invention pertains.

[0048] The terms "a," "an," "a kind," "the," and similar words used in this utility model do not indicate quantity limitation and can represent singular or plural. The terms "comprising," "including," "having," and any variations thereof used in this utility model are intended to cover non-exclusive inclusion; the terms "first," "second," "third," etc. used in this utility model are merely to distinguish similar objects and do not represent a specific ordering of objects.

[0049] Based on the problems mentioned above, this utility model provides a technical solution to solve the above problems. The technical solution, working principle and technical effect of this utility model are described in detail below with reference to specific embodiments.

[0050] Example 1:

[0051] Reference Figure 1 , Figure 2 , Figure 3 As shown, this utility model describes a multi-functional assembly machine, which aims to provide an efficient, flexible and automated product assembly device, especially suitable for assembling various types of products, such as caps and plug valves.

[0052] This assembly machine integrates a rotating mechanism, an assembly mechanism, a discharge mechanism, and a controller, enabling fully automated processing of products from placement, positioning, assembly to discharge, significantly improving production efficiency and product quality.

[0053] This embodiment provides a multi-functional assembly machine, the structure of which is as follows: Figure 1 As shown, it mainly consists of four parts: a rotating mechanism, an assembly mechanism, a discharging mechanism, and a controller.

[0054] The rotating mechanism includes a rotating platform 1 and a turntable 2. The rotating platform 1 drives the turntable 2 to rotate via a motor. The upper part of the turntable 2 is provided with multiple positioning holes 3, which are arranged in a circular array on the upper part of the turntable 2 for placing products to be assembled.

[0055] The assembly mechanism is located above the turntable 2 and includes cylinder assembly 4 and assembly fixture 5.

[0056] The cylinder assembly 4 is fixedly connected to the assembly fixture 5. The cylinder's extension and retraction movement drives the assembly fixture 5 to position and assemble the product. The assembly fixture 5 includes a connecting block 6 and a stamping assembly 7, with the stamping assembly 7 mounted on the connecting block 6.

[0057] The stamping assembly 7 further includes a positioning post 8, an ejector pin 9, and an elastic element 10. In this embodiment, the elastic element is preferably a coil spring.

[0058] The positioning post 8 is configured as a guide sleeve structure, and the ejector pin 9 and the elastic element 10 are located inside the guide sleeve structure.

[0059] One end of the ejector pin 9 is fixed, and the elastic element 10 is sleeved on the ejector pin 9. One end of the elastic element is fixed, and the other end extends out of the free end of the ejector pin 9.

[0060] During assembly, the positioning pin 8 is used to position the product to be assembled in the center, the ejector pin 9 is used to press the product to be assembled to the set position, and the elastic element 10 holds the product in place during and after assembly to ensure the stability of the product during the assembly process.

[0061] As an optimized design, in order to meet the usage requirements of the products to be assembled, the assembly tooling and the unloading mechanism are designed to be detachable from the turntable. The assembly tooling and the unloading mechanism can be removed from the turntable and replaced with different assembly tooling and unloading mechanisms to adapt to different products to be assembled.

[0062] The discharge mechanism is located on one side of the turntable 2 and includes an air blowing device 11 and a transmission channel 12.

[0063] The air blowing device is adjustable in position and angle to accommodate the discharge requirements of different products. The air blowing device 11 is used to blow the assembled products off the turntable 2, while the transmission channel 12 transports the products to the material collection box 13.

[0064] The controller 14 is configured as a programmable logic controller (PLC) and is electrically connected to the rotary table 1, the assembly mechanism, and the unloading mechanism. It is used to control the entire assembly process, including the rotation of the rotary table 1, the assembly action of the assembly mechanism, and the unloading action of the unloading mechanism.

[0065] The aforementioned multi-functional assembly machine can be used to assemble caps and plug valves.

[0066] The lower part of the protective cap to be assembled is provided with a connecting part. The protective cap matches the positioning hole on the turntable through the connecting part. During assembly, the protective cap is inserted into the positioning hole on the turntable through the connecting part.

[0067] like Figure 4, Figure 5 , Figure 6 As shown, for the plug valve to be assembled, a mounting seat is provided at the position on the turntable corresponding to the location where the plug valve will be assembled. Multiple mounting seats are provided, each corresponding to a positioning hole on the turntable, with one mounting seat installed at each positioning hole. The mounting seat has a groove, the shape of which matches the shape of the plug valve.

[0068] To facilitate material unloading, an opening is made at the bottom of the groove. The air blowing device blows the assembled stopcock valve out of the groove of the mounting base through the bottom opening, and then into the material box through the discharge mechanism.

[0069] Based on the above description of the structural design of the multi-functional assembly machine, the specific working principle of this utility model multi-functional assembly machine is as follows:

[0070] 1. Product Positioning: Products to be assembled (such as protective caps, stopcocks, etc.) are placed in positioning holes 3 on the turntable 2. The turntable 2 is driven to rotate by a motor from the rotary table 1, allowing each positioning hole 3 to move sequentially to the assembly station. The circular array distribution of the positioning holes 3 ensures that each product enters the assembly process evenly and orderly.

[0071] 2. Assembly preparation:

[0072] When a positioning hole 3 carries the product to the assembly station, the controller 14 (programmable logic controller) issues a command to start the assembly mechanism.

[0073] The cylinder assembly 4 begins to work, and its piston rod extends downward, causing the assembly fixture 5 to move downward.

[0074] 3. Product positioning and assembly:

[0075] In assembly fixture 5, the positioning pin 8 first contacts and stabilizes the product, ensuring its vertical centering during assembly. Subsequently, driven by cylinder assembly 4, the ejector pin 9 moves downward along the guide sleeve structure of positioning pin 8, pressing the product to the set position and completing the assembly action.

[0076] During and after assembly, the elastic element 10 always holds the product in place, providing necessary support and stability to prevent the product from shifting or being damaged by external forces.

[0077] 4. Assembly complete and repositioning:

[0078] After assembly is complete, the piston rod of cylinder assembly 4 retracts, causing assembly fixture 5 to reset. The elastic element 10 continues to hold the product in place, maintaining its stability until the next assembly cycle begins.

[0079] 5. Product discharge:

[0080] When the assembled product moves to the unloading station, the controller 14 starts the unloading mechanism. At this time, the air blowing device 11 generates airflow to blow the product out of the positioning hole 3 on the turntable 2.

[0081] The product is then conveyed to the picking box 13 through the transfer channel 12 to complete the entire automated assembly process.

[0082] 6. Cyclic operation:

[0083] The controller 14 continuously repeats the above steps according to the preset program and instructions, realizing continuous and efficient automated assembly operations. This multi-functional assembly machine can adapt to the assembly needs of products of different shapes and sizes by adjusting program parameters and changing assembly tooling 5, demonstrating strong flexibility and adaptability.

[0084] Example 2: Method for assembling protective caps using a multi-functional assembly machine

[0085] This embodiment provides the use of, for example Figure 1 The specific method and steps for assembling the protective cap using the multi-functional assembly machine shown are as follows:

[0086] 1. Preparation stage:

[0087] Place the protective cap 15 precisely into the positioning hole 3 of the turntable 2. The lower connecting part of the protective cap 15 must precisely match the shape and size of the positioning hole 3 to ensure that the protective cap can be placed stably during assembly without shaking or shifting.

[0088] The electric rotary table 1 is started by the controller 14, which precisely controls the movement of the turntable 2 and smoothly rotates it to the preset assembly position. This process requires ensuring the rotational speed and positional accuracy of the turntable 2 so that subsequent assembly operations can proceed smoothly.

[0089] 2. Assembly stage:

[0090] The cylinder ejector rod of the assembly mechanism begins to move downward under the command of the controller 14. At this time, the positioning post 8 in the assembly fixture 5 first contacts the protective cap 15 and stabilizes the protective cap in its vertical center position by means of its guide sleeve structure.

[0091] Next, driven by the cylinder assembly 4, the ejector pin 9 precisely presses down on the protective cap 15 along the guide path of the positioning post 8 until it reaches the set assembly position. This process requires strict control of the downward pressure and speed to avoid damaging the protective cap.

[0092] As the ejector pin 9 presses down, the elastic element 10 is gradually compressed, providing additional support for the cap. After the assembly process is complete, the elastic element 10 maintains the top pressure on the cap, ensuring its stability at the assembly station.

[0093] 3. Reset and Fixation Stage:

[0094] After assembly, the cylinder ejector rod is slowly pulled back under the control of the controller 14. At this time, due to the elastic force of the elastic element 10, the protective cap 15 is firmly held in place at the assembly station, effectively preventing it from popping out or shifting due to external force.

[0095] After the protective cap is securely fixed, the controller 14 restarts the electric rotary table 1 to smoothly rotate the assembled protective cap 15 to the discharge station. This process must ensure the smoothness and accuracy of the rotation so that the subsequent discharge operation can proceed smoothly.

[0096] 4. Discharge stage:

[0097] When the protective cap 15 reaches the discharge station, the air blowing device 11 of the discharge mechanism is activated under the command of the controller 14. A gentle and stable airflow is ejected from the air blowing device, gently blowing the protective cap off the turntable 2.

[0098] The blown-off protective caps are then smoothly conveyed to the picking box 13 via the conveyor channel 12. During the conveying process, it is necessary to ensure that the channel is unobstructed and the protective caps are conveyed stably to avoid damage or loss.

[0099] 5. Cyclic operation:

[0100] After completing the above steps, the multi-functional assembly machine enters the next assembly cycle under the precise control of controller 14. By continuously repeating the above operation process, the assembly machine can achieve efficient and continuous assembly of protective caps.

[0101] Throughout the assembly process, the controller 14 needs to precisely control each component according to the preset program and parameters to ensure the smooth progress of each assembly step and the stable and reliable assembly quality.

[0102] In summary, the multi-functional assembly machine and its cap assembly method provided in this embodiment achieve efficient and precise cap assembly through precise control and stable mechanical structure design. This method not only improves production efficiency but also ensures the stability and consistency of assembly quality.

[0103] Example 3: Method for assembling plug valves using a multi-functional assembly machine

[0104] This embodiment provides the use of, for example Figure 4 The specific method and steps for assembling a plug valve using the multi-functional assembly machine shown are as follows:

[0105] Step 1: Tooling Change Preparation

[0106] First, the assembly fixture 5 currently connected to the cylinder assembly 4 (this fixture was originally used for assembling the protective cap) must be safely and securely removed.

[0107] Based on the assembly requirements of the plug valve, select and install the appropriate plug valve assembly fixture. This step must ensure that the connection between the new fixture and cylinder assembly 4 is secure and reliable to avoid any loosening or misalignment in subsequent operations.

[0108] Step Two: Precise Positioning of the Plug Valve

[0109] Gently place the plug valve 16 to be assembled into the groove 171 of the specially designed mounting base 17 on the upper part of the turntable 2. This groove is designed to fit tightly to the shape of the plug valve to ensure its stable placement.

[0110] The stopcock valve 16 is further secured using a special positioning block (not shown, but a necessary component) to ensure that it remains stationary throughout the assembly process and to prevent displacement due to external forces.

[0111] Step 3: Automated Assembly Process

[0112] After receiving the start signal, the controller 14 immediately activates the electric rotary table 1, driving the turntable 2 to rotate smoothly to the preset assembly station.

[0113] Driven by control commands, the cylinder ejector rod in the assembly mechanism slowly moves downward until it directly presses the valve core of the plug valve 16 to the preset assembly position. During this process, due to the unique structural characteristics of the plug valve 16, no additional positioning pins or ejector pins may be required for auxiliary positioning.

[0114] After the assembly process is completed, the cylinder ejector rod automatically retracts to its initial position under the control of the controller, making full preparations for the next assembly operation.

[0115] Step 4: Output and Collection of Finished Products

[0116] The controller 14 restarts the electric rotary table 1, smoothly transferring the successfully assembled plug valve 16 to the discharge station.

[0117] After receiving the control signal, the air blowing device 11 of the discharge mechanism starts quickly and generates a strong airflow through the specially provided opening at the bottom of the groove on the mounting base 17 (although not directly illustrated, it has been clearly mentioned in the embodiment description) to blow the stopcock valve 16 off the turntable 2.

[0118] The blown-off stop valve 16 then slides smoothly down the carefully designed transfer channel 12 into the pick-up box 13 for subsequent quality inspection, packaging or shipping processes.

[0119] In summary, the multi-functional assembly machine method for assembling plug valves provided in this embodiment not only achieves a high degree of automation and intelligence, but also significantly improves assembly accuracy and efficiency.

[0120] The assembly and discharging mechanisms of this invention can be replaced and adjusted according to different applications, thus achieving multi-functional assembly. Specifically, the assembly mechanism includes cylinders, tooling, and electrical components, which can be selected and replaced according to actual assembly requirements. By replacing different assembly mechanisms, this invention can adapt to the assembly requirements of different products, greatly improving the flexibility and adaptability of the production line. Simultaneously, the discharging mechanism can also be adjusted as needed to ensure that the assembled products can be smoothly discharged and fall into the material receiving box.

[0121] Furthermore, the controller of this invention employs a programmable logic controller (PLC), electrically connected to the rotary table, assembly mechanism, and unloading mechanism. Through programming control, the electric rotary table can be precisely controlled to rotate clockwise or counterclockwise, and to rotate at any angle, either single or continuously. This flexible rotation control method allows this invention to be precisely adjusted according to the assembly process of different products, thereby further improving production efficiency and product quality.

[0122] By implementing this utility model, the problems of complex structure, single function and high price of traditional assembly machines can be solved, thereby improving the flexibility and adaptability of the production line, reducing production costs and improving production efficiency.

[0123] In addition, this utility model has the advantages of simple and stable structure and convenient operation, and is suitable for automated assembly and production of various products.

[0124] In summary, this multi-functional assembly machine, through its highly integrated and automated design, achieves fully automated processing of product assembly, significantly improving production efficiency and product quality. Furthermore, its flexible and adjustable structural design allows the equipment to adapt to the assembly needs of different products, giving it broad application prospects and market value.

[0125] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

[0126] Furthermore, the technical solutions of the various embodiments can be combined with each other, but only if they are feasible for those skilled in the art. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

Claims

1. A multi-functional assembly machine, characterized in that, include: The rotating mechanism includes a rotating table (1) and a turntable (2). The rotating table (1) is used to drive the turntable (2) to rotate. The turntable (2) is provided with a positioning hole (3) for placing the product to be assembled. The assembly mechanism is located above the turntable (2) and includes a cylinder assembly (4) and an assembly fixture (5). The cylinder assembly (4) and the assembly fixture (5) are fixedly connected. The cylinder assembly (4) and the assembly fixture (5) cooperate with each other to perform product positioning and assembly. The discharge mechanism is located on one side of the turntable (2) and includes an air blowing device (11) and a transmission channel (12) for blowing the assembled product out of the turntable (2) and conveying it to the material picking box (13). The controller (14) is configured as a programmable logic controller (14) and is electrically connected to the rotary table (1), the assembly mechanism and the unloading mechanism. It is used to control the rotation of the rotary table (1) and the assembly and unloading of the assembly mechanism and the unloading mechanism.

2. The multi-functional assembly machine according to claim 1, characterized in that: The assembly fixture (5) includes a connecting block (6) and a stamping assembly (7), wherein the stamping assembly (7) is mounted on the connecting block (6), and the stamping assembly includes a positioning post (8), an ejector pin (9) and an elastic element (10); The positioning post (8) is configured as a guide sleeve structure. The ejector pin (9) and the elastic element (10) are arranged inside the guide sleeve structure. One end of the ejector pin (9) is fixed. The elastic element (10) is sleeved on the ejector pin (9), with one end fixed and the other end extending out of the free end of the ejector pin (9). The elastic element (10) is used to hold the assembled product in place during and after assembly.

3. The multi-functional assembly machine according to claim 2, characterized in that: During product assembly, the piston rod of the cylinder assembly (4) moves down and positions the product to be assembled at the center of the hollow part of the positioning column (8) through the positioning column (8) with the guide sleeve structure. The product is then pressed to the set position by the ejector pin (9) to complete the product assembly. After the product assembly is completed, the elastic element (10) holds the product in place and the piston rod of the cylinder assembly (4) is reset.

4. The multi-functional assembly machine according to claim 1, characterized in that: The turntable (2) has multiple positioning holes (3) on its upper part. The multiple positioning holes (3) are arranged in a ring array on the upper part of the turntable (2). Each positioning hole (3) can be used to place the product to be assembled.

5. The multi-functional assembly machine according to claim 1, characterized in that: The assembly fixture (5) and the discharge mechanism are detachably connected to the turntable (2) to accommodate different products to be assembled.

6. The multi-functional assembly machine according to claim 5, characterized in that: The product to be assembled includes a protective cap (15), and a connecting part is provided at the lower part of the protective cap (15). The protective cap (15) matches the positioning hole (3) on the turntable (2) through the connecting part. During assembly, the protective cap (15) is placed at the positioning hole (3) on the turntable (2).

7. The multi-functional assembly machine according to claim 5, characterized in that: The product to be assembled further includes a plug valve (16), and a mounting seat (17) is provided at the position corresponding to the plug valve (16) to be assembled. There are multiple mounting seats (17), and the mounting seats (17) are respectively installed on the positioning holes (3) provided on the turntable (2). Each positioning hole (3) corresponds to one mounting seat (17).

8. The multi-functional assembly machine according to claim 7, characterized in that: The mounting base (17) has a groove (171) with a shape that matches the shape of the stopcock valve (16). The bottom of the groove (171) has an opening, and the air blowing device (11) blows the assembled stopcock valve (16) out from the turntable (2) through the bottom opening and into the material box (13) through the discharge mechanism.

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