A metal composite cold heading machine with oil return isolation structure

Abstract

The present invention discloses a metal composite cold heading machine with an oil return isolation structure, which relates to the technical field of cold heading equipment, including a cold heading machine body, an oil mist separation module, an HMI human-machine interaction interface, a programmable logic control system and an automatic boxing module; the cold heading machine body includes a feeding module, a molding module, an oil return treatment circulation module; the oil return treatment circulation module includes an isolation module, an oil return pipeline and a centrifugal module. The present invention realizes the isolation, recycling and oil mist purification functions of the cold heading return oil by installing an oil return treatment circulation module and an oil mist separation module, solves the problem that the cold heading oil splashes out and causes damage to the cold heading machine body parts and the cold heading return oil cannot be reused, improves the utilization rate of the cold heading oil, extends the service life of the cold heading machine, and protects the health of workers.

Description

Technical Field

[0001] The invention relates to the technical field of cold heading equipment, in particular to a metal composite cold heading machine with an oil return isolation structure. Background Art

[0002] Metal composite cold heading machine is a kind of equipment widely used in metal manufacturing industry, which is mainly used to form metal materials by cold working. In the process of metal cold heading, the workpiece is plastically deformed under high pressure, so as to realize the production of metal parts with various complex shapes. With the continuous development of industrial technology, the requirements for cold heading machines are also constantly increasing, especially in terms of production efficiency, product quality and energy consumption.

[0003] In order to meet the development needs, we urgently need a metal composite cold heading machine with an oil return isolation structure. This cold heading machine can realize the isolation function of the cold heading oil sprayed during the operation of the cold heading machine, the centrifugal filtration and recycling function of the cold heading return oil, the filtration and purification function of the oil mist generated by the cold heading machine, and the automatic collection of workpiece products. This not only improves the efficiency of cold heading processing, but also improves the quality of the product and the durability of the equipment. This innovative design has important application value in modern manufacturing. Compared with traditional cold heading machines, it shows greater advantages and promotes the further development of metal processing technology.

[0004] 1. Patent document CN106311936B discloses a cold heading forming machine with recyclable cold heading oil. The above patent realizes that the cold heading oil can be always recycled, avoiding the phenomenon that the cutting knife works for a long time and generates heat, which causes the cutting knife to dry and break, and reduces the cost to a certain extent. However, the above patent cannot realize the isolation function of the cold heading oil in the cold heading machine's forging process.

[0005] 2. Patent document CN108971402B discloses a multi-station cold heading machine with oil-water separation. The above patent can eliminate oil stains on the surface of cold heading products, but the above patent cannot achieve the centrifugal filtration and recycling function of cold heading return oil.

[0006] 3. Patent document CN113680946B discloses an oil-splitting device for discharging nut cold heading machines. The above patent realizes the separation of cooling oil on nuts and can also automatically collect nuts, thereby improving work efficiency. However, the above patent cannot realize the filtering and purification function of oil mist generated by the cold heading machine.

[0007] 4. Patent document CN116251921B discloses a cold heading machine for parts processing. The above patent realizes that the cold heading stamping structure can realize the simultaneous cold heading stamping of parts at each workstation, quickly realizes the cold heading processing of parts, and improves production efficiency. However, the above patent cannot realize the function of automatically collecting workpiece products into containers.

[0008] In summary, the above patent cannot realize the isolation function of cold heading oil during the cold heading machine forging process, cannot realize the centrifugal filtration and recycling function of cold heading return oil, cannot realize the filtering and purification function of oil mist generated by the cold heading machine, and cannot realize the function of automatically collecting workpiece products into containers; resulting in low utilization rate of cold heading oil, environmental pollution, harm to workers' health, and low work efficiency; To this end, the present application proposes a metal composite cold heading machine with an oil return isolation structure that can realize the isolation function of the cold heading oil during the forging process of the cold heading machine, the recycling function of the cold heading return oil, the filtering and purification function of the oil mist generated by the cold heading machine, and the automatic collection of workpiece products into containers. Summary of the invention

[0009] The purpose of the present invention is to provide a metal composite cold heading machine with an oil return isolation structure to solve the technical problems proposed in the above background technology that the isolation function of the cold heading oil sprayed during the operation of the cold heading machine cannot be realized, the centrifugal filtration and recycling functions of the cold heading return oil cannot be realized, the filtering and purification function of the oil mist generated by the operation of the cold heading machine cannot be realized, and the automatic collection function of the workpiece products into a container cannot be realized, resulting in low utilization rate of the cold heading oil, pollution of the environment, harm to the health of workers, and low work efficiency.

[0010] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a metal composite cold heading machine with an oil return isolation structure, comprising a cold heading machine body, an oil mist separation module, an HMI human-machine interaction interface, a programmable logic control system and an automatic boxing module, wherein the oil mist separation module is installed on the left side of the outer wall of the cold heading machine body; the oil mist separation module is installed with an air duct on the outer wall of the forming module, and is connected through the air duct to filter and purify the oil mist; the HMI human-machine interaction interface is installed on the outer wall of the cold heading machine body; the automatic boxing module is installed on the right side of the outer wall of the cold heading machine body; the operation of the automatic boxing module and the oil mist separation module is controlled by the programmable logic control system and the HMI human-machine interaction interface; The cold heading machine body includes a feeding module, a forming module, and an oil return treatment circulation module; The oil return processing circulation module includes an isolation module, an oil return pipeline and a centrifugal module; An isolation module is installed on the inner wall of the cold heading machine. The isolation module is formed by an isolation plate to form a closed space around the forming module to prevent the cold heading oil from splashing into other parts of the cold heading machine. A filter is set under the forming module and the conveyor belt. An oil return pipe is installed under the forming module and the conveyor belt, and is connected to the centrifugal module. The centrifugal module includes a centrifugal barrel, an oil outlet, a waste outlet, and a power motor; The centrifugal bucket is installed on the inner wall of the centrifugal module, a power motor is installed at the bottom of the outer wall of the centrifugal bucket, an oil outlet is installed on the left side of the outer wall of the centrifugal module and connected to the cold heading oil tank; a waste port is installed at the bottom of the outer wall of the centrifugal module for discharging waste.

[0011] Preferably, a feed module is installed inside the left side of the cold heading machine body, and the feed module is used for plasticizing and cutting the raw materials; The feeding module includes a feeding port, a feeding pressing wheel, and a feeding cutting port; A feed port is arranged on the right side of the outer wall of the cold heading machine, a feed pressing wheel is arranged on the left side of the feed port, and a feed cutting port is arranged on the left side of the feed pressing wheel.

[0012] Preferably, a forming module is installed inside the isolation module, and the forming module is used for upsetting and shaping the workpiece; The molding module includes a feed pipe, a punch die, a die and an injection nozzle; A feed pipe is installed on the right side of the die to transport the raw materials processed by the feed module. A concave die is installed on the left side of the die. An oil spray nozzle is installed on the inner wall of the forming module to spray cold heading oil during the forming process of the cold heading machine.

[0013] Preferably, a cold heading oil tank is installed on the front side of the outer wall of the cold heading machine, and an ultrasonic level meter is installed above the outer wall of the cold heading oil tank to detect the liquid level of the cold heading oil tank; The ultrasonic level meter includes a digital display screen and an ultrasonic detection sensor; An ultrasonic detection sensor is installed on the lower side of the outer wall of the ultrasonic liquid level meter to measure the liquid level of the cold heading oil tank in real time through the ultrasonic reflection principle; a digital display screen is installed on the front side of the outer wall of the ultrasonic liquid level meter to display the liquid level of the cold heading oil tank.

[0014] Preferably, the oil mist separation module is used to absorb the oil mist generated by the cold heading oil used in the cold heading machine body during the forming process, and filter and purify the oil mist to meet the emission standards; The oil mist separation module includes an exhaust hood and an oil mist blower; The smoke hood includes a centrifugal fan wheel, a check valve and an air duct; A smoke hood is installed on the upper side of the inner wall of the molding module, a centrifugal wind wheel is installed at the bottom of the inner wall of the smoke hood, and a check valve is installed on the top of the outer wall of the centrifugal wind wheel; the smoke hood and the oil mist fan are connected through an air duct.

[0015] Preferably, the oil mist fan is installed on the left side of the outer wall of the cold heading machine body to filter and purify the oil mist-containing gas; The oil mist blower includes a spiral filter, a high-pressure collision separation filter, an activated carbon filter and an exhaust blower; A spiral filter is installed on the right side of the inner wall of the oil mist blower to intercept larger solid and dust particles; a high-pressure collision separation filter is installed on the left side of the spiral filter to ionize the oil mist gas and degrade the oil mist gas into carbon dioxide and water; an activated carbon filter is installed on the left side of the high-pressure collision separation filter to adsorb harmful gases and remove odors; an exhaust fan is installed on the left side of the activated carbon filter to discharge the filtered and purified gas.

[0016] Preferably, an automatic packing module is installed on the right side of the cold heading machine body for automatically loading and picking up workpiece products; The automatic packing module includes a discharge port, a conveyor belt, a gravity module, a discharge frame, and a mechanical handling module; A discharge port is installed on the left side of the outer wall of the cold heading machine, and the discharge port is connected to the bottom of the forming module for discharging the workpiece products; a conveyor belt is installed below the discharge port for conveying the workpiece products; a discharge frame is placed below the conveyor belt for collecting the workpiece products; a gravity module is installed on the right side of the cold heading machine body, and a discharge frame is placed on the top of the gravity module for detecting the weight of the discharge frame; a mechanical handling module is installed on the top of the gravity module for taking and placing the discharge frame.

[0017] Preferably, the mechanical handling module includes a mechanical arm and a mechanical gripper; a mechanical arm is installed on the top of the gravity module for moving and controlling the mechanical gripper; a mechanical gripper is installed on the top of the mechanical arm for grabbing the material frame to complete the automatic packing function.

[0018] Preferably, the programmable logic control system generates and edits the coordination instructions of each module through the signal input by the module and sends them to the module; the ultrasonic detection sensor has a built-in GPRS wireless communication module, which transmits signals through the RS-485 communication protocol to communicate with the programmable logic control system, and uses the addition and subtraction counter module in the programmable logic control system to set the actual minimum liquid level to eliminate the error of ultrasonic detection; when the liquid level in the cold heading oil tank is too low, the HMI human-machine interaction interface sends an alarm to remind refueling; In the feeding module, the speed and angle of each rotating shaft of the driving module can be set through the programmable logic control system, so that the raw materials can enter the feeding pressure wheel at a uniform speed, and the feeding cutting port falls at a predetermined speed, so that the length of the raw materials entering the feeding pipe is consistent, saving raw materials.

[0019] Preferably, interface buttons are drawn in the HMI human-machine interaction interface and connections are established with various variables in the programmable logic control system. The HMI human-machine interaction interface processes the module input signal and the programmable logic control system output feedback signal to intuitively obtain actual data; the number of workpieces is set in the HMI human-machine interaction interface, and the programmable logic control system performs data analysis and converts it into input signals for each module. When each module completes the input signal setting standard, the number of workpieces meets the standard, the cold heading machine stops working, and costs are saved.

[0020] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention realizes the isolation function of the cold heading oil sprayed during the operation of the cold heading machine by installing an isolation module and a filter screen, solves the problem of damage to the body parts of the cold heading machine and shortening the service life caused by the cold heading oil splashing, reduces the failure of the cold heading machine, and prolongs the service life of the cold heading machine; 2. The present invention realizes the centrifugal filtration and recycling functions of the cold heading return oil by installing the return oil pipeline and the centrifugal module, solves the problem that the cold heading return oil has many impurities and cannot be reused, improves the utilization rate of the cold heading oil, and reduces the cost; 3. The present invention realizes the filtering and purification function of the oil mist generated by the cold heading machine by installing an oil mist separation module, solves the problem of environmental pollution caused by the oil mist generated by the cold heading machine and the problem of oil mist being harmful to the respiratory system of workers, reduces environmental pollution and protects the health of workers; 4. The present invention realizes the function of automatically collecting workpiece products into containers by installing an automatic packing module and a programmable logic control system, solves the problem that a large amount of manpower is required when collecting workpieces in traditional cold heading machines, realizes high automation of the cold heading machine, and saves labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a partial structural schematic diagram of the centrifugal module of the present invention; Figure 3 It is a schematic diagram of the structure of the feed module of the present invention; Figure 4 It is a partial structural schematic diagram of the molding module of the present invention; Figure 5 It is a partial structural schematic diagram of the ultrasonic liquid level meter of the present invention; Figure 6 It is a partial structural schematic diagram of the oil mist blower of the present invention; Figure 7 It is a partial structural schematic diagram of the smoking hood of the present invention.

[0022] In the figure: 1. Ultrasonic level meter; 3. Isolation module; 4. Discharge port; 5. Conveyor belt; 6. Robot arm; 7. Gravity module; 8. Discharge frame; 9. Centrifugal module; 10. Cold heading oil tank; 11. Mechanical gripper; 12. Oil return pipeline; 13. Oil return pipeline; 14. Centrifugal barrel; 15. Oil outlet; 16. Power motor; 17. Waste outlet; 18. Exhaust fan; 19. Activated carbon filter; 20. High-pressure collision separation filter; 22. Smoke hood; 23. Spiral filter; 24. Air duct; 25. Check valve; 26. Centrifugal fan; 27. Oil nozzle; 28. Filter; 29. ​​Feed pipe; 30. Die; 31. Die; 32. Feed cutting port; 33. Feed pressure wheel; 34. Feed port; 35. Drive module; 37. Digital display screen; 38. Ultrasonic detection sensor; 39. HMI human-machine interface; 40. Oil mist fan; 41. Cold heading machine body. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0024] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the modules or components referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] Example 1 See also Figure 1 and Figure 3, an embodiment provided by the present invention: a metal composite cold heading machine with an oil return isolation structure, comprising a cold heading machine body 41, an oil mist separation module, an HMI human-machine interaction interface 39, a programmable logic control system and an automatic boxing module, the oil mist separation module is installed on the left side of the outer wall of the cold heading machine body 41; the oil mist separation module and the outer wall of the forming module are installed with an air duct 24, which is connected through the air duct 24 to filter and purify the oil mist; the HMI human-machine interaction interface 39 is installed on the outer wall of the cold heading machine body 41; the automatic boxing module is installed on the right side of the outer wall of the cold heading machine body 41; the operation of the automatic boxing module and the oil mist separation module is controlled by the programmable logic control system and the HMI human-machine interaction interface 39; The cold heading machine body 41 includes a feeding module, a forming module, and an oil return treatment circulation module; The oil return processing circulation module includes an isolation module 3, an oil return pipeline 13 and a centrifugal module 9; The inner wall of the cold heading machine body 41 is installed with an isolation module 3, and the isolation module 3 is formed with an isolation plate to form a closed space around the forming module to prevent the cold heading oil from splashing into other parts of the cold heading machine. A filter 28 is set up under the forming module and the conveyor belt 5, and an oil return pipe 13 is installed under the forming module. An oil return pipe 12 is installed under the conveyor belt 5 and connected to the centrifugal module 9; The centrifugal module 9 includes a centrifugal bucket 14, an oil outlet 15, a waste outlet 17, and a power motor 16; The centrifugal bucket 14 is installed on the inner wall of the centrifugal module 9, and a power motor 16 is installed at the bottom of the outer wall of the centrifugal bucket 14. An oil outlet 15 is installed on the left side of the outer wall of the centrifugal module 9 and connected to the cold heading oil tank 10; a waste outlet 17 is installed at the bottom of the outer wall of the centrifugal module 9 for discharging waste; Furthermore, the used cold heading oil is collected by the return oil pipe 13 and the return oil pipe 12 and filtered out by the filter screen 28. The return oil pipe 13 and the return oil pipe 12 are connected to the centrifugal barrel 14. After the centrifugal barrel 14 rotates at high speed with kinetic energy provided by the power motor 16, the cold heading oil that has been centrifugally filtered flows back to the cold heading oil tank 10 through the oil outlet 15 for recycling, and the remaining impurities are discharged from the centrifuge through the waste port 17. The centrifugal filtration and recycling functions of the cold heading return oil are realized, the problem that the cold heading return oil has many impurities and cannot be reused is solved, the utilization rate of the cold heading oil is improved, and the cost is reduced.

[0027] Example 2 See also Figure 4 and Figure 5 , an embodiment provided by the present invention: a metal composite cold heading machine with an oil return isolation structure, wherein a feed module is installed inside the left side of the cold heading machine body 41, and the feed module is used for plasticizing and cutting the raw material; The feeding module includes a feeding port 34, a feeding pressing wheel 33, and a feeding cutting port 32; A feed port 34 is installed on the right side of the outer wall of the cold heading machine body 41, a feed pressing wheel 33 is installed on the left side of the feed port 34, and a feed cutting port 32 is installed on the left side of the feed pressing wheel 33; A forming module is installed inside the isolation module 3, and the forming module is used for upsetting and shaping the workpiece; The molding module includes a feed pipe 29, a punch die 30, a die 31 and an oil injection nozzle 27; A feed pipe 29 is installed on the right side of the punch die 30 for transporting the raw materials processed by the feed module, a concave die 31 is installed on the left side of the punch die 30, and an oil spray nozzle 27 is installed on the inner wall of the forming module for spraying cold heading oil during the forming process of the cold heading machine; Furthermore, the driving module 35 in the programmable control system controls the driving shafts of the feeding device; the rotation and descending speeds of the driving shafts in the feeding pressure wheel 33 and the feeding cutting port 32 are set through the HMI interface, so that the raw material enters the feeding pressure wheel 33 at a uniform speed, and the feeding cutting port falls at a predetermined speed, so that the length of the raw material entering the feeding pipe 29 is consistent, saving raw materials; the oil nozzle 27 sprays cold heading oil in the die 31 and the punch 30 during the cold heading machine forming process to protect the mold and the workpiece, reduce wear, and reduce the scrap rate of the workpiece product. At the same time, due to the heat generated by friction during the processing, the cold heading oil also plays a cooling role to prevent the workpiece product from being deformed due to thermal shock of the workpiece and the mold.

[0028] Example 3 See also Figure 1 and Figure 6 , an embodiment provided by the present invention: a metal composite cold heading machine with an oil return isolation structure, a cold heading oil tank 10 is installed on the front side of the outer wall of the cold heading machine body 41, and an ultrasonic level meter 1 is installed above the outer wall of the cold heading oil tank 10 for detecting the liquid level of the cold heading oil tank 10; The ultrasonic level meter 1 includes a digital display screen 37 and an ultrasonic detection sensor 38; An ultrasonic detection sensor 38 is installed on the lower side of the outer wall of the ultrasonic level meter 1, and the liquid level of the cold heading oil tank 10 is measured in real time by the ultrasonic reflection principle; a digital display screen 37 is installed on the front of the outer wall of the ultrasonic level meter 1, which is used to display the liquid level of the cold heading oil tank 10. The ultrasonic detection sensor 38 has a certain height of detection blind spot, and communicates with the programmable logic control system through the GPRS wireless communication module. The actual minimum liquid level is set by the addition and subtraction counter module in the programmable logic control system. When the liquid level in the cold heading oil tank 10 is too low, the HMI human-machine interaction interface 39 issues an alarm to remind refueling; Furthermore, the ultrasonic level meter 1 has a built-in GPRS wireless communication module, and can transmit signals through the RS-485 communication protocol. The RS-485 communication protocol adopts differential transmission, has strong anti-interference ability, and is not affected by the working noise of the cold heading machine; the ultrasonic detection sensor 38 measures the liquid level of the cold heading oil tank 10 in real time through the ultrasonic reflection principle. The ultrasonic detection sensor 38 has a certain height of detection blind spot, and communicates with the programmable logic control system through the GPRS wireless communication module. The actual minimum liquid level is set by the addition and subtraction counter module in the programmable logic control system. When the liquid level in the cold heading oil tank 10 is lower than the set minimum liquid level, the HMI human-machine interaction interface 39 issues an alarm.

[0029] See also Figure 2 and Figure 7 , an embodiment provided by the present invention: a metal composite cold heading machine with an oil return isolation structure, the oil mist separation module is used to absorb the oil mist generated by the cold heading oil used in the forming process of the cold heading machine body 41, and filter and purify the oil mist to meet the emission standards; The oil mist separation module includes a fume hood 22 and an oil mist blower 40; The smoke hood 22 includes a centrifugal fan wheel 26, a check valve 25 and an air duct 24; A fume hood 22 is installed on the upper side of the inner wall of the molding module, a centrifugal fan wheel 26 is installed at the bottom of the inner wall of the fume hood 22, and a check valve 25 is installed at the top of the outer wall of the centrifugal fan wheel 26; the fume hood 22 and the oil mist fan 40 are connected through the air duct 24; The oil mist fan 40 is installed on the left side of the outer wall of the cold heading machine body 41 and is used to filter and purify the oil mist-containing gas; The oil mist blower 40 includes a spiral filter 23, a high pressure collision separation filter 20, an activated carbon filter 19 and an exhaust blower 18; A spiral filter 23 is installed on the right side of the inner wall of the oil mist fan 40 to intercept larger solid and dust particles; a high-pressure collision separation filter 20 is installed on the left side of the spiral filter 23 to ionize the oil mist gas and degrade the oil mist gas into carbon dioxide and water; an activated carbon filter 19 is installed on the left side of the high-pressure collision separation filter 20 to absorb harmful gases and remove odors; an exhaust fan 18 is installed on the left side of the activated carbon filter 19 to discharge the filtered and purified gas; Furthermore, the smoke extraction hood 22 utilizes the centrifugal force generated by the rotation of the impeller in the centrifugal wind wheel 26 to form an airflow, change the flow direction of the oil mist, and thereby achieve a smoking effect, and a check valve 25 is installed above the centrifugal wind wheel 26 to prevent the oil mist from flowing back into the molding device, and the collected oil mist is transported to the oil mist fan 40 through the air duct 24; after the oil mist reaches the oil mist fan 40, firstly, a rotating spiral filter 23 is utilized to intercept larger solid and dust particles, and then the oil mist gas is ionized under the action of the high-voltage electric field of the high-voltage collision separation filter 20, and most of it is degraded and carbonized; the micron-sized oil mist is degraded into carbon dioxide and water by the electric field, and the remaining small part of the tiny dust and oil particles pass through the activated carbon filter 19 to absorb harmful gases and remove odors, and then are directly discharged into the air through the exhaust fan 18.

[0030] Example 5 See also Figure 1 , an embodiment provided by the present invention: a metal composite cold heading machine with an oil return isolation structure, wherein an automatic packing module is installed on the right side of the cold heading machine body 41 for automatically loading and picking workpiece products; The automatic packing module includes a discharge port 4, a conveyor belt 5, a gravity module 7, a discharge frame 8, and a mechanical handling module; A discharge port 4 is installed on the left side of the outer wall of the cold heading machine body 41, and the discharge port 4 is connected to the bottom of the forming module for discharging the workpiece product; a conveyor belt 5 is installed below the discharge port 4 for conveying the workpiece product; a discharge frame 8 is placed below the conveyor belt 5 for collecting the workpiece product; a gravity module 7 is installed on the right side of the cold heading machine body 41, and a discharge frame 8 is placed on the top of the gravity module 7 for detecting the weight of the discharge frame 8; a mechanical handling module is installed on the top of the gravity module 7 for taking and placing the discharge frame 8; The mechanical handling module includes a mechanical arm 6 and a mechanical gripper 11; the mechanical arm 6 is installed on the top of the gravity module 7 for moving and controlling the mechanical gripper 11; the mechanical gripper 11 is installed on the top of the mechanical arm 6 for grabbing the material frame 8 to complete the automatic packing function; Furthermore, the workpiece product flows out through the discharge port 4, and a conveyor belt 5 is provided below the discharge port 4. The workpiece product flows into the discharge frame 8 through the conveyor belt 5. A gravity module 7 is provided below the discharge frame 8, and a gravity sensor is installed in the gravity module 7. When the weight in the discharge frame 8 reaches the set standard of the gravity sensor, the signal generated by the gravity sensor is amplified and processed, and converted into a digital signal. After being read and processed by the GPRS wireless communication module in the robotic arm 6, the robotic arm 6 controls the robotic gripper 11 to move the full discharge frame 8 away and replace it with a new discharge frame 8.

[0031] Example 6 See also Figure 1 and Figure 4, an embodiment provided by the present invention: a metal composite cold heading machine with an oil return isolation structure, wherein interface buttons are drawn in the HMI human-machine interaction interface 39 and connections are established with various variables in the programmable logic control system, and the HMI human-machine interaction interface 39 processes the module input signal and the programmable logic control system output feedback signal to intuitively obtain actual data; the number of workpieces is set in the HMI human-machine interaction interface 39, and the programmable logic control system performs data analysis and converts it into input signals of each module, and when each module completes the input signal setting standard, the number of workpieces reaches the standard, and the cold heading machine stops working, saving costs; Furthermore, the automatic packing module is controlled by a programmable logic control system. A GPRS wireless communication module is provided in the mechanical arm 6 and the gravity sensor in the gravity module 7. A connection is established with the programmable logic control system through the RS-485 wireless communication protocol. In the main function, the three variables of the mechanical gripper 11, the mechanical arm 6 and the gravity sensor are associated to define the motion relationship. Interface buttons are drawn through the HMI human-computer interaction interface 39 in the main function and connections are established with the variables. The weight standard of the gravity module 7 is set in the module function. Whenever the weight reaches the standard, the input signal is transmitted back to the programmable logic control system through the GPRS wireless communication module. In the control system, after the signal is processed by the system, the output signal is fed back to the robot arm 6 and the mechanical gripper 11. The work of automatically replacing the discharge frame 8 is completed through the motion trajectory set in the main function. When the gravity sensor detects that the weight returns to the initial value, the robot arm 6 and the mechanical gripper 11 stop working and complete a count on the counting button 39 of the HMI human-machine interaction interface. The standard number of times can be set according to the daily production capacity index. When the production capacity index is completed, when the counter in the programmable logic control system completes the set number of times, the rising edge of the input signal generates a pulse output, and the cold heading machine automatically cuts off the power, saving labor costs and raw material costs.

[0032] Working principle: first, the raw material enters the feeding module from the feeding port 34, is straightened by the feeding pressure wheel 33, and then is cut into strips of uniform length by the feeding notch 32 and fed into the feeding pipe 29; then, in the forming module, the oil spray nozzle 27 sprays cold heading oil into the die 31 and the punch die 30 to protect the mold and the workpiece and facilitate demoulding; the finished workpiece product flows to the conveyor belt 5 through the discharge port 4, and is transported to the discharge frame 8 by the conveyor belt 5; Secondly, when the discharge frame 8 is full, the gravity sensor in the gravity module 7 produces a signal and feeds it back to the programmable logic control system through the RS-485 wireless communication protocol for amplification and processing. The programmable logic control system processes the signal and converts it into a digital signal, and sends a command to the GPRS wireless communication module in the mechanical arm 6. The mechanical arm 6 controls the mechanical gripper 11 to replace a new discharge frame 8. Finally, the cold heading oil used in the working process is filtered into the oil return pipe 12 and the oil return pipe 13 through the filter 28, and flows into the centrifugal barrel 14 through the oil return pipe 12 and the oil return pipe 13. After the centrifugal barrel 14 rotates at high speed, the cold heading oil that has been centrifugally filtered flows back to the cold heading oil tank 10 through the oil outlet 15 for recycling, and the remaining impurities are discharged from the centrifuge through the waste port 17. The oil mist generated during the working process is absorbed by the smoke hood 22 and then enters the oil mist blower 40 through the air duct 24, and is discharged into the air after decomposition and purification.

[0033] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A metal composite cold heading machine with an oil return isolation structure, comprising a cold heading machine body (41), an oil mist separation module, an HMI human-machine interaction interface (39), a programmable logic control system and an automatic packing module, characterized in that: An oil mist separation module is installed on the left side of the outer wall of the cold heading machine body (41); an air duct (24) is installed on the outer wall of the oil mist separation module and the forming module, and the air duct (24) is connected to filter and purify the oil mist; an HMI human-machine interaction interface (39) is installed on the outer wall of the cold heading machine body (41); an automatic boxing module is installed on the right side of the outer wall of the cold heading machine body (41); and the operation of the automatic boxing module and the oil mist separation module is controlled by a programmable logic control system and the HMI human-machine interaction interface (39); The cold heading machine body (41) comprises a feeding module, a forming module, and an oil return processing circulation module; The oil return processing circulation module comprises an isolation module (3), an oil return pipeline (13) and a centrifugal module (9); An isolation module (3) is installed on the inner wall of the cold heading machine body (41), and the isolation module (3) is formed by an isolation plate to form a closed space around the forming module to prevent cold heading oil from splashing into other parts of the cold heading machine. A filter screen (28) is provided below the forming module and the conveyor belt (5), and an oil return pipe (13) is installed below the forming module. An oil return pipe (12) is installed below the conveyor belt (5) and is connected to the centrifugal module (9); The centrifugal module (9) comprises a centrifugal barrel (14), an oil outlet (15), a waste outlet (17), and a power motor (16); The centrifugal bucket (14) is mounted on the inner wall of the centrifugal module (9); a power motor (16) is mounted on the bottom of the outer wall of the centrifugal bucket (14); an oil outlet (15) is mounted on the left side of the outer wall of the centrifugal module (9) and is connected to the cold heading oil tank (10); and a waste material outlet (17) is mounted on the bottom of the outer wall of the centrifugal module (9) for discharging waste material.

2. The metal composite cold heading machine with oil return isolation structure according to claim 1, characterized in that: A feeding module is installed inside the left side of the cold heading machine body (41), and the feeding module is used for plasticizing and cutting the raw material; The feed module comprises a feed port (34), a feed pressing wheel (33), and a feed cutting port (32); A feed opening (34) is installed on the right side of the outer wall of the cold heading machine body (41), a feed pressing wheel (33) is installed on the left side of the feed opening (34), and a feed cutting opening (32) is installed on the left side of the feed pressing wheel (33).

3. The metal composite cold heading machine with oil return isolation structure according to claim 1, characterized in that: A forming module is installed inside the isolation module (3), and the forming module is used for upsetting and shaping the workpiece; The molding module comprises a feed pipe (29), a punch die (30), a die (31) and an oil injection nozzle (27); A feed pipe (29) is installed on the right side of the punch die (30) for transporting raw materials processed by the feed module. A concave die (31) is installed on the left side of the punch die (30). An oil spray nozzle (27) is installed on the inner wall of the forming module for spraying cold heading oil during the forming process of the cold heading machine.

4. The metal composite cold heading machine with oil return isolation structure according to claim 1, characterized in that: A cold heading oil tank (10) is installed on the front side of the outer wall of the cold heading machine body (41), and an ultrasonic level meter (1) is installed above the outer wall of the cold heading oil tank (10) for detecting the liquid level of the cold heading oil tank (10); The ultrasonic liquid level meter (1) comprises a digital display screen (37) and an ultrasonic detection sensor (38); An ultrasonic detection sensor (38) is installed on the lower side of the outer wall of the ultrasonic liquid level meter (1) to measure the liquid level of the cold heading oil tank (10) in real time through the ultrasonic reflection principle; a digital display screen (37) is installed on the front side of the outer wall of the ultrasonic liquid level meter (1) to display the liquid level of the cold heading oil tank (10).

5. The metal composite cold heading machine with oil return isolation structure according to claim 1, characterized in that: The oil mist separation module is used to absorb the oil mist generated by the cold heading oil used in the cold heading machine body (41) during the forming process, and filter and purify the oil mist to meet the emission standards; The oil mist separation module comprises an exhaust hood (22) and an oil mist blower (40); The smoke hood (22) comprises a centrifugal wind wheel (26), a check valve (25) and an air duct (24); A smoke hood (22) is installed on the upper side of the inner wall of the molding module, a centrifugal fan wheel (26) is installed at the bottom of the inner wall of the smoke hood (22), and a check valve (25) is installed at the top of the outer wall of the centrifugal fan wheel (26); the smoke hood (22) and the oil mist fan (40) are connected via an air duct (24).

6. The metal composite cold heading machine with oil return isolation structure according to claim 5, characterized in that: The oil mist fan (40) is installed on the left side of the outer wall of the cold heading machine body (41) and is used to filter and purify the gas containing oil mist; The oil mist blower (40) comprises a spiral filter (23), a high-pressure collision separation filter (20), an activated carbon filter (19) and an exhaust blower (18); A spiral filter (23) is installed on the right side of the inner wall of the oil mist fan (40) for intercepting larger solid and dust particles; a high-pressure collision separation filter (20) is installed on the left side of the spiral filter (23) for ionizing the oil mist gas and degrading the oil mist gas into carbon dioxide and water; an activated carbon filter (19) is installed on the left side of the high-pressure collision separation filter (20) for absorbing harmful gases and removing odors; and an exhaust fan (18) is installed on the left side of the activated carbon filter (19) for exhausting the filtered and purified gas.

7. The metal composite cold heading machine with oil return isolation structure according to claim 1, characterized in that: An automatic boxing module is installed on the right side of the cold heading machine body (41) for automatically loading and picking workpiece products; The automatic box packing module comprises a discharge port (4), a conveyor belt (5), a gravity module (7), a discharge frame (8), and a mechanical handling module; A discharge port (4) is installed on the left side of the outer wall of the cold heading machine body (41), and the discharge port (4) is connected to the bottom of the forming module and is used to discharge the workpiece product; a conveyor belt (5) is installed below the discharge port (4) and is used to convey the workpiece product; a discharge frame (8) is placed below the conveyor belt (5) and is used to collect the workpiece product; a gravity module (7) is installed on the right side of the cold heading machine body (41), and a discharge frame (8) is placed on the top of the gravity module (7) and is used to detect the weight of the discharge frame (8); and a mechanical handling module is installed on the top of the gravity module (7) and is used to take and place the discharge frame (8).

8. The metal composite cold heading machine with oil return isolation structure according to claim 7, characterized in that: The mechanical handling module comprises a mechanical arm (6) and a mechanical gripper (11); the mechanical arm (6) is installed on the top of the gravity module (7) for moving and controlling the mechanical gripper (11); the mechanical gripper (11) is installed on the top of the mechanical arm (6) for grabbing the material frame (8) to complete the automatic box packing function.

9. The metal composite cold heading machine with oil return isolation structure according to claim 1, characterized in that: The programmable logic control system generates and edits coordination instructions for each module through the signals input from the modules and sends them to the modules; the ultrasonic detection sensor (38) has a built-in GPRS wireless communication module, which transmits signals through the RS-485 communication protocol to communicate with the programmable logic control system, and uses an addition and subtraction counter module in the programmable logic control system to set the actual minimum liquid level, thereby eliminating errors in ultrasonic detection; when the liquid level in the cold heading oil tank (10) is too low, the HMI human-machine interaction interface (39) issues an alarm to remind the user to refuel; In the feeding module, the speed and angle of each rotating shaft of the driving module (35) are set through a programmable logic control system, so that the raw material enters the feeding pressing wheel (33) at a uniform speed, and the feeding cutting opening (32) falls at a predetermined speed, so that the length of the raw material entering the feeding pipe (29) is uniform, thereby saving raw material.

10. The metal composite cold heading machine with oil return isolation structure according to claim 1, characterized in that: Interface buttons are drawn in the HMI human-machine interaction interface (39) and connections are established with various variables in the programmable logic control system. The HMI human-machine interaction interface (39) processes the module input signal and the programmable logic control system output feedback signal to intuitively obtain actual data; the number of workpieces is set in the HMI human-machine interaction interface (39), and the programmable logic control system performs data analysis and converts it into input signals for each module. When the input signal setting standard is completed for each module, the number of workpieces reaches the standard and the cold heading machine stops working, thereby saving costs.

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