Multi-functional head of pouring machine

Abstract

The present invention discloses a multi-functional head of a pouring machine, which includes a raw material feeding mechanism, a pigment feeding mechanism, a mounting base, a pouring nozzle, a stirring shaft and a power unit. There are multiple raw material feeding mechanisms and several pigment feeding mechanisms. All the raw material feeding mechanisms and pigment feeding mechanisms are installed on the mounting base. The pouring nozzle is connected to the mounting base. All the raw material feeding mechanisms and pigment feeding mechanisms can communicate with the pouring nozzle through the mounting base. The power unit is installed on the mounting base and is connected to the stirring shaft. One end of the stirring shaft is arranged inside the pouring nozzle. Thus, the present invention has a high degree of automation, high production efficiency, is not easy to cause material waste, has a high material utilization rate, good environmental protection, can conveniently mix different raw materials or pigments as needed without stopping the machine, has strong flexibility, and can further improve the production efficiency.

Description

Technical Field

[0001] The present invention relates to the field of mechanical design, and more particularly to a multi-functional head of a casting machine. Background Art

[0002] In the production process of polyurethane products, such as soles, insoles and other products, a casting machine is often required. The casting machine can be used to pour the mixed raw materials into a mold, and the mixed raw materials can be shaped in the mold to form polyurethane products. At present, most of the mixing of raw materials is achieved manually. After workers put the raw materials to be mixed into a barrel, they stir and mix them evenly, and then pour the mixed materials into the casting machine for use.

[0003] However, manual mixing of materials has a low degree of automation, which reduces production efficiency. Moreover, manual operation is prone to material loss and waste. In addition, it is difficult to control the mixing amount and mixing ratio of raw materials, and it is difficult to guarantee the quality of the obtained polyurethane products.

[0004] On the other hand, as the demand for the materials and colors of polyurethane products increases, and most of the time, when changing the materials and colors of polyurethane products, it is necessary to modify the mixed raw materials. At this time, workers need to remix the raw materials, which not only greatly increases the workload, but also often requires shutdown operation during the mixing process, further reducing production efficiency. Summary of the Invention

[0005] The purpose of the present invention is to provide a multi-functional head of a casting machine, which can solve one or more of the above problems.

[0006] According to one aspect of the present invention, there is provided a multi-functional head of a casting machine, including a raw material feeding mechanism, a pigment feeding mechanism, a mounting seat, a casting nozzle, a stirring shaft and a power unit. There are multiple raw material feeding mechanisms and several pigment feeding mechanisms. All the raw material feeding mechanisms and pigment feeding mechanisms are installed on the mounting seat. The casting nozzle is connected to the mounting seat. All the raw material feeding mechanisms and pigment feeding mechanisms can communicate with the casting nozzle through the mounting seat. The power unit is installed on the mounting seat and is connected to the stirring shaft. One end of the stirring shaft is arranged in the casting nozzle.

[0007] The beneficial effects of the present invention are as follows: In the present invention, an external mechanism can transport different raw materials to different raw material feeding mechanisms, and different pigments can be transported to different pigment feeding mechanisms. Moreover, the raw material feeding mechanism and the pigment feeding mechanism can act as "switches" so that the required raw materials or pigments can be transported to the pouring nozzle through the corresponding raw material feeding mechanism or pigment feeding mechanism, while the unrequired raw materials or pigments are blocked by the corresponding raw material feeding mechanism or pigment feeding mechanism. The materials entering the pouring nozzle can be stirred by the stirring shaft to achieve mixing and then output. Thus, the present invention has a high degree of automation, high production efficiency, is not prone to material waste, has a high material utilization rate, good environmental protection, can conveniently mix different raw materials or pigments as needed without the need for shutdown operations, has strong flexibility, and can further improve production efficiency.

[0008] In some embodiments, the raw material feeding mechanism includes a first raw material joint, a second raw material joint, a raw material valve, and a first housing. A raw material chamber and a raw material outlet hole are provided in the first housing. The first raw material joint and the second raw material joint are both installed on the first housing and are both communicated with the raw material chamber. The raw material valve is installed on the first housing and is used to control the communication between the raw material chamber and the raw material outlet hole. The first raw material joint and the second raw material joint can facilitate the connection with an external raw material transportation structure, and by setting the raw material valve, it is convenient to control whether the raw material needs to be input into the raw material outlet hole.

[0009] In some embodiments, the raw material valve includes a first piston rod, a first piston, a first interface, and a second interface. The first interface and the second interface are both installed on the first housing. A first air chamber is provided in the first housing. The first piston is installed in the first air chamber and divides the first air chamber into a first sub-air chamber and a second sub-air chamber. The first interface is communicated with the first sub-air chamber, the second interface is communicated with the second sub-air chamber, the first piston rod is connected to the first piston, and a first partition block is provided on the first piston rod. The first partition block is located in the raw material chamber. The first interface and the second interface can facilitate the connection with an external air supply mechanism, and by selecting the air supply of different interfaces, the movement of the first piston can be achieved. Thus, the first piston rod connected to the first piston can also move, and finally the position of the first partition block can be changed to achieve the control of the communication between the raw material chamber and the raw material outlet hole.

[0010] In some embodiments, the pigment feeding mechanism includes a first pigment connector, a second pigment connector, a pigment valve, and a second housing. A pigment chamber and a pigment outlet hole are provided in the second housing. The first pigment connector and the second pigment connector are both in communication with the pigment chamber. The pigment valve is installed on the second housing and is used to control the communication between the pigment chamber and the pigment outlet hole. The first pigment connector and the second pigment connector can facilitate the connection with an external pigment conveying structure, and by providing a raw material valve, it can conveniently control whether the pigment needs to be input into the pigment outlet hole.

[0011] In some embodiments, the pigment valve includes a second piston rod, a second piston, a third interface, and a fourth interface. The third interface and the fourth interface are both installed on the second housing. A second air chamber is provided in the second housing. The second piston is installed in the second air chamber and divides the second air chamber into a third sub-air chamber and a fourth sub-air chamber. The third interface is in communication with the third sub-air chamber, and the fourth interface is in communication with the fourth sub-air chamber. The second piston rod is connected to the second piston, and a second partition block is provided on the second piston rod. The second partition block is located in the pigment chamber. The third interface and the fourth interface can facilitate the connection with an external air supply mechanism, and by selecting the air supply of different interfaces, the movement of the second piston can be realized. Thus, the second piston rod connected to the second piston can also move, and finally the position of the second partition block can be changed to realize the control of the communication between the pigment chamber and the pigment outlet hole.

[0012] In some embodiments, the pouring nozzle includes a pouring nozzle body. A stirring chamber is provided in the pouring nozzle body. One end of the stirring shaft is located in the stirring chamber. The pouring nozzle is provided with a pouring port. The stirring chamber is in communication with the pouring port. Thus, the raw materials and pigments entering the stirring chamber can be stirred by the stirring shaft, so that they are fully mixed and reacted.

[0013] In some embodiments, the pouring nozzle includes a connection plate and clamping claws. The connection plate is connected to the mounting seat. There are a plurality of clamping claws, and all the clamping claws are installed on the connection plate. The clamping claws are clamped on the pouring nozzle body. The setting of the clamping claws can quickly realize the connection between the pouring nozzle body and the connection plate compared with traditional fixing methods such as screwing, improve the loading and unloading efficiency, and facilitate the replacement or maintenance of the pouring nozzle body.

[0014] In some embodiments, the pouring nozzle includes a plastic heat-insulating shell, a first coolant connector, and a second coolant connector. The first coolant connector and the second coolant connector are both installed on the plastic heat-insulating shell. The plastic heat-insulating shell is installed outside the pouring nozzle body. A cold runner is provided between the plastic heat-insulating shell and the pouring nozzle body. The first coolant connector and the second coolant connector are both connected to the cold runner. The first coolant connector and the second coolant connector can be conveniently connected to an external coolant supply mechanism. And by providing the cold runner, the temperature of the pouring nozzle body can be conveniently reduced to improve the reliability of use of the pouring nozzle body. In addition, the plastic heat-insulating shell can effectively prevent water droplets from condensing on its surface, thereby avoiding water droplets from falling into the material poured by the present invention and affecting the quality of the finally formed product.

[0015] In some embodiments, the mounting seat includes a mounting seat body and a connecting seat. The mounting seat body and the connecting seat are connected. A groove is provided in the middle of the mounting seat body. A boss is provided on the side of the mounting seat body. A first mounting surface is provided on the boss. The raw material feeding mechanism is installed on the first mounting surface. A plurality of second mounting surfaces are provided on the side of the connecting seat. The pigment feeding mechanism is installed on the second mounting surfaces. The provision of the boss can increase the surface area of the mounting seat body to facilitate the provision of more first mounting surfaces.

[0016] In some embodiments, a main hole is provided in the mounting seat. The stirring shaft passes through the main hole. A first hole is provided on the first mounting surface. A second hole is provided on the second mounting surface. The first hole and the second hole are both connected to the main hole. Thus, the raw materials or pigments released from the raw material feeding mechanism installed on the first mounting surface and the pigment feeding mechanism installed on the second mounting surface can both enter the main hole to facilitate the mixing of the above materials. Description of the Drawings

[0017] Figure 1 Schematic structural diagram of a multi-functional head of a pouring machine according to an embodiment of the present invention.

[0018] Figure 2 Cross-sectional view of a schematic structural diagram of a multi-functional head of a pouring machine according to an embodiment of the present invention when the raw material feeding mechanism and the pigment feeding mechanism are not provided.

[0019] Figure 3 Schematic structural diagram of a raw material feeding mechanism of a multi-functional head of a pouring machine according to an embodiment of the present invention.

[0020] Figure 4 For Figure 3 Cross-sectional view of the raw material feeding mechanism of the multi-functional head of the pouring machine.

[0021] Figure 5Schematic diagram of the pigment feeding mechanism of the multi-functional head of a casting machine according to an embodiment of the present invention.

[0022] Figure 6 For Figure 5 Schematic diagram of the structure of the pigment feeding mechanism of the multi-functional head of the casting machine.

[0023] Figure 7 Schematic diagram of the structure of the pigment feeding mechanism of the multi-functional head of a casting machine according to an embodiment of the present invention.

[0024] Figure 8 For Figure 7 Schematic diagram of the structure of the pigment feeding mechanism of the multi-functional head of the casting machine.

[0025] Figure 9 Schematic diagram of the structure of the mounting base of the multi-functional head of a casting machine according to an embodiment of the present invention.

[0026] Figure 10 Schematic diagram of the structure of the multi-functional head of a casting machine according to an embodiment of the present invention when the pouring nozzle is not provided with a connecting plate and a clamping jaw.

[0027] Figure 11 For Figure 10 Cross-sectional view of the pouring nozzle of the multi-functional head of the casting machine when the connecting plate and the clamping jaw are not provided.

[0028] Figure 12 Schematic diagram of the structure of the multi-functional head of a casting machine according to an embodiment of the present invention.

[0029] Figure 13 For Figure 12 Schematic diagram of the structure of the multi-functional head of the casting machine from another viewing angle.

[0030] Figure 14 For Figure 12 Cross-sectional view of the schematic diagram of the structure of the multi-functional head of the casting machine.

[0031] Figure 15 Schematic diagram of the structure of the raw material feeding mechanism of the multi-functional head of a casting machine according to an embodiment of the present invention.

[0032] Figure 16 For Figure 15 Cross-sectional view of the raw material feeding mechanism of the multi-functional head of the casting machine.

[0033] Figure 17 For Figure 14 Enlarged view of part A of the multi-functional head of the casting machine.

[0034] Figure 18 Schematic diagram of the structure of the mounting base of the multi-functional head of a casting machine according to an embodiment of the present invention.

[0035] In the figure: 1. Raw material feeding mechanism, 2. Pigment feeding mechanism, 3. Mounting seat, 4. Pouring nozzle, 5. Stirring shaft, 6. Power unit, 11. First raw material joint, 12. Second raw material joint, 13. Raw material valve, 14. First housing, 131. First piston rod, 132. First piston, 133. First interface, 134. Second interface, 1311. First partition block, 141. Raw material chamber, 142. Raw material outlet hole, 143. First air chamber, 144. First sub-air chamber, 145. Second sub-air chamber, 21. First pigment joint, 22. Second pigment joint, 23. Pigment valve, 24. Second housing, 231. Second piston rod, 232. Second piston, 233. Third interface, 234. Fourth interface, 2311. Second partition block, 241. Pigment chamber, 242. Pigment outlet hole, 243. Second air chamber, 244. Third sub-air chamber, 245. Fourth sub-air chamber, 31. Mounting seat main body, 32. Connecting seat, 311. Groove, 312. Boss, 313. First mounting surface, 314. Main hole, 315. First hole, 321. Second mounting surface, 322. Second hole, 41. Pouring nozzle main body, 42. Connecting plate, 43. Claw, 411. Stirring chamber, 412. Pouring port, 44. Plastic heat insulation shell, 45. First coolant joint, 46. Second coolant joint, and 410. Cold runner. Detailed implementation mode

[0036] The present invention will be further described in detail below with reference to the accompanying drawings.

[0037] Embodiment 1

[0038] Reference Figures 1 to 11 , a multi-functional head of a pouring machine in this embodiment includes a raw material feeding mechanism 1, a pigment feeding mechanism 2, a mounting seat 3, a pouring nozzle 4, a stirring shaft 5, and a power unit 6.

[0039] There can be multiple raw material feeding mechanisms 1. In this embodiment, the raw material feeding mechanism 1 is preferably four. The raw material feeding mechanism 1 includes a first raw material joint 11, a second raw material joint 12, a raw material valve 13, and a first housing 14. A raw material chamber 141 and a raw material outlet hole 142 are provided in the first housing 14. The first raw material joint 11 and the second raw material joint 12 are both fixedly installed on the first housing 14 by thread fitting, and both the first raw material joint 11 and the second raw material joint 12 communicate with the raw material chamber 141.

[0040] The raw material valve 13 includes a first piston rod 131, a first piston 132, a first interface 133 and a second interface 134. The first interface 133 and the second interface 134 are both installed on the first housing 14 by screw fit. A first air chamber 143 is further provided in the first housing 14. The first piston 132 is movably installed in the first air chamber 143, and the first piston 132 divides the first air chamber 143 into a first sub-air chamber 144 and a second sub-air chamber 145. The first interface 133 is communicated with the first sub-air chamber 144, the second interface 134 is communicated with the second sub-air chamber 145. The first piston rod 131 is connected to the first piston 132. A first partition block 1311 is provided on the side of the first piston rod 131, and the first partition block 1311 is located in the raw material chamber 141.

[0041] When the first partition block 1311 is located at the communicating position between the raw material chamber 141 and the raw material outlet hole 142, it can block the communication between the raw material chamber 141 and the raw material outlet hole 142. When the first partition block 1311 is not located at the communicating position between the raw material chamber 141 and the raw material outlet hole 142, the raw material chamber 141 and the raw material outlet hole 142 are communicated. That is, the raw material valve 13 is used to control the communication situation between the raw material chamber 141 and the raw material outlet hole 142.

[0042] There can be several pigment feeding mechanisms 2. In this embodiment, preferably eight pigment feeding mechanisms 2 are provided. The pigment feeding mechanism 2 includes a first pigment joint 21, a second pigment joint 22, a pigment valve 23 and a second housing 24.

[0043] A pigment chamber 241 and a pigment outlet hole 242 are provided in the second housing 24. The first pigment joint 21 and the second pigment joint 22 are both fixedly installed on the second housing 24 by screw fit, and both the first pigment joint 21 and the second pigment joint 22 are communicated with the pigment chamber 241.

[0044] The pigment valve 23 includes a second piston rod 231, a second piston 232, a third interface 233 and a fourth interface 234. The third interface 233 and the fourth interface 234 are both installed on the second housing 24 by screw fit. A second air chamber 243 is further provided in the second housing 24. The second piston 232 is movably installed in the second air chamber 243, and the second piston 232 divides the second air chamber 243 into a third sub-air chamber 244 and a fourth sub-air chamber 245. The third interface 233 is communicated with the third sub-air chamber 244, the fourth interface 234 is communicated with the fourth sub-air chamber 245. The second piston rod 231 is connected to the second piston 232. A second partition block 2311 is provided at the bottom of the second piston rod 231, and the second partition block 2311 is located in the pigment chamber 241.

[0045] When the second partition block 2311 is located at the communicating position between the pigment chamber 241 and the pigment outlet hole 242, it can block the communication between the pigment chamber 241 and the pigment outlet hole 242. When the second partition block 2311 is not located at the communicating position between the pigment chamber 241 and the pigment outlet hole 242, the pigment chamber 241 and the pigment outlet hole 242 are connected. That is, the pigment valve 23 is used to control the communication between the pigment chamber 241 and the pigment outlet hole 242.

[0046] The mounting base 3 includes a mounting base body 31 and a connecting base 32. The mounting base body 31 and the connecting base 32 are fixedly connected, and the mounting base body 31 is located above the connecting base 32. A groove 311 is provided in the middle of the mounting base body 31. The power unit 6 can be a commercially available motor, and the body of the power unit 6 is fixedly mounted on the groove 311.

[0047] Convex platforms 312 are provided on the side of the mounting base body 31. There are two convex platforms 312, and two first mounting surfaces 313 are respectively provided on each convex platform 312. The first housings 14 of the four raw material feeding mechanisms 1 are respectively fixedly mounted on the first mounting surfaces 313 by bolts. Eight second mounting surfaces 321 are provided on the side of the connecting base 32, and the second housings 24 of the eight pigment feeding mechanisms 2 are respectively fixedly mounted on the second mounting surfaces 321 by bolts.

[0048] A main hole 314 is further provided on the mounting base body 31 of the mounting base 3, and the main hole 314 is located at the bottom of the groove 311. A first hole 315 is provided on each first mounting surface 313, and a second hole 322 is provided on each second mounting surface 321. All the first holes 315 and all the second holes 322 are communicated with the main hole 314. Thus, the raw material outlet holes 142 on the raw material feeding mechanisms 1 mounted on the respective first mounting surfaces 313 can be communicated with the main hole 314 through the first holes 315, and the pigment outlet holes 242 on the pigment feeding mechanisms 2 mounted on the respective second mounting surfaces 321 can be communicated with the main hole 314 through the second holes 322.

[0049] The power unit 6 is fixedly connected to the stirring shaft 5, so that the power unit 6 can drive the stirring shaft 5 to rotate, and one end of the stirring shaft 5 passes through the main hole 314.

[0050] The pouring nozzle 4 includes a pouring nozzle body 41, a connecting disc 42 and clamping claws 43. The connecting disc 42 is fixedly connected to the bottom of the connecting base 32 of the mounting base 3 by bolts. There are multiple clamping claws 43, and all the clamping claws 43 are fixedly mounted on the bottom of the connecting disc 42 by bolts. The clamping claws 43 are clamped on the pouring nozzle body 41, so that the pouring nozzle body 41 is fixedly connected to the mounting base 3.

[0051] The pouring nozzle body 41 is provided with a stirring cavity 411. One end of the stirring shaft 5 passing through the main hole 314 is located in the stirring cavity 411, and the stirring cavity 411 is communicated with the main hole 314. The pouring nozzle 4 is further provided with a pouring port 412, and the pouring port 412 is also communicated with the stirring cavity 411. That is, all the raw material feeding mechanisms 1 and the pigment feeding mechanism 2 can be communicated with the pouring nozzle 4 through the mounting base 3.

[0052] The pouring nozzle 4 further includes a plastic heat insulation shell 44, a first coolant joint 45 and a second coolant joint 46. The first coolant joint 45 and the second coolant joint 46 are both fixedly installed on the plastic heat insulation shell 44 through threaded fit. The plastic heat insulation shell 44 is fixedly installed outside the pouring nozzle body 41, and a cold flow channel 410 is provided between the plastic heat insulation shell 44 and the pouring nozzle body 41. The first coolant joint 45 and the second coolant joint 46 are both communicated with the cold flow channel 410.

[0053] In the pouring machine multi-functional machine head of this embodiment, the first raw material joint 11 and the second raw material joint 12 on each raw material feeding mechanism 1 can be respectively connected to the mechanisms supplying different raw materials such as A material or B material, so as to facilitate the entry and exit of different raw materials in different raw material feeding mechanisms 1. The first interface 133 and the second interface 134 are both connected to the external air supply structure, so as to facilitate the entry and exit of gas in the first air cavity 143.

[0054] The first pigment joint 21 and the second pigment joint 22 on each pigment feeding mechanism 2 can be respectively connected to the mechanisms supplying different pigments such as color powder, so as to facilitate the entry and exit of different pigments in different pigment feeding mechanisms 2. The third interface 233 and the fourth interface 234 are both connected to another external air supply structure, so as to facilitate the entry and exit of gas in the second air cavity 243.

[0055] The first coolant joint 45 and the second coolant joint 46 can both be connected to the external coolant supply structure, so as to facilitate the entry and exit of coolant in the cold flow channel 410.

[0056] When this multi-functional head of the pouring machine is in use, users can select the corresponding raw materials and pigments to be mixed according to the polyurethane products to be made, such as shoe soles or insoles, etc. Then, the corresponding raw materials are fed to the second raw material joint 12 of the raw material feeding mechanism 1 equipped with the required raw materials. The raw materials can enter the raw material chamber 141 through the second raw material joint 12. The first raw material joint 11 is used for returning materials and supplying air to the second interface 134. When the air supply to the first interface 133 is stopped, the second air distribution chamber 145 intakes air, and the first air distribution chamber 144 discharges air through the first interface 133. The first piston 132 drives the first piston rod 131 to move, so that the first partition block 1311 on the first piston rod 131 moves away from the raw material outlet hole 142. The raw material chamber 141 and the raw material outlet hole 142 become connected, and the raw materials in the raw material chamber 141 can enter the main hole 314 and then enter the stirring chamber 411 through the main hole 314.

[0057] Similarly, the corresponding second pigment joint 22 of the pigment feeding mechanism 2 equipped with the required pigments can also be fed. The pigments can enter the pigment chamber 241 through the second pigment joint 22. The first pigment joint 21 is used for returning materials and supplying air to the fourth interface 234. When the air supply to the third interface 233 is stopped, the fourth air distribution chamber 245 intakes air, and the third air distribution chamber 244 discharges air through the third interface 233. The second piston 232 drives the second piston rod 231 to move, so that the second partition block 2311 on the second piston rod 231 moves away from the pigment outlet hole 242. The pigment chamber 241 and the pigment outlet hole 242 become connected, and the pigments in the pigment chamber 241 can enter the main hole 314 and then enter the stirring chamber 411 through the main hole 314.

[0058] Meanwhile, the power unit 6 can be started, so that the power unit 6 drives the stirring shaft 5 to rotate. The stirring shaft 5 can stir and mix the raw materials and pigments located in the stirring chamber 411, and the mixed materials after stirring and mixing can flow out from the pouring port 412 to achieve pouring.

[0059] In addition, when it is necessary to stop the feeding of any raw material feeding mechanism 1 to the stirring chamber 411, the first interface 133 of the raw material feeding mechanism 1 can be supplied with air, and the air supply to the second interface 134 can be stopped. Then, the first air distribution chamber 144 intakes air, and the second air distribution chamber 145 discharges air through the second interface 134. The first piston 132 drives the first piston rod 131 to move, so that the first partition block 1311 on the first piston rod 131 moves closer to the raw material outlet hole 142 until the first partition block 1311 cuts off the connection between the raw material chamber 141 and the raw material outlet hole 142, that is, the raw materials cannot enter the stirring chamber 411.

[0060] When it is necessary to stop the feeding of any pigment feeding mechanism 2 into the stirring chamber 411, the third interface 233 of the pigment feeding mechanism 2 can be supplied with gas, and the fourth interface 234 is stopped from being supplied with gas. Then, the third air distribution chamber 244 intakes air, while the fourth air distribution chamber 245 discharges air through the fourth interface 234. The second piston 232 drives the second piston rod 231 to move, so that the second partition block 2311 on the second piston rod 231 moves closer to the pigment outlet hole 242 until the second partition block 2311 cuts off the connection between the pigment chamber 241 and the pigment outlet hole 242, that is, the pigment cannot enter the stirring chamber 411.

[0061] During the process of the stirring shaft 5 stirring in the stirring chamber 411, in order to reduce the temperature of the pouring nozzle body 41, the first coolant joint 45 can also be supplied with liquid, and the second coolant joint 46 returns the liquid, so that the coolant can flow through the cold flow channel 410 to cool the pouring nozzle body 41.

[0062] Embodiment 2

[0063] Reference Figures 12 to 18 A multi-functional head of a pouring machine according to this embodiment includes a raw material feeding mechanism 1, a pigment feeding mechanism 2, a mounting seat 3, a pouring nozzle 4, a stirring shaft 5, and a power unit 6.

[0064] There can be multiple raw material feeding mechanisms 1. In this embodiment, the raw material feeding mechanism 1 is preferably four. The raw material feeding mechanism 1 includes a first raw material joint 11, a second raw material joint 12, a raw material valve 13, and a first housing 14. A raw material chamber 141 and a raw material outlet hole 142 are provided in the first housing 14. The first raw material joint 11 and the second raw material joint 12 are both fixedly installed on the first housing 14 by screw threads, and both the first raw material joint 11 and the second raw material joint 12 are communicated with the raw material chamber 141.

[0065] The raw material valve 13 includes a first piston rod 131, a first piston 132, a first interface 133, and a second interface 134. The first interface 133 and the second interface 134 are both installed on the first housing 14 by screw threads. A first air chamber 143 is also provided in the first housing 14. The first piston 132 is movably installed in the first air chamber 143, and the first piston 132 divides the first air chamber 143 into a first air distribution chamber 144 and a second air distribution chamber 145. The first interface 133 is communicated with the first air distribution chamber 144, the second interface 134 is communicated with the second air distribution chamber 145, the first piston rod 131 is connected to the first piston 132, and a first partition block 1311 is provided on the side of the first piston rod 131. The first partition block 1311 is located in the raw material chamber 141.

[0066] When the first partition block 1311 is located at the communication position between the raw material chamber 141 and the raw material outlet hole 142, it can block the communication between the raw material chamber 141 and the raw material outlet hole 142. When the first partition block 1311 is not located at the communication position between the raw material chamber 141 and the raw material outlet hole 142, the raw material chamber 141 and the raw material outlet hole 142 are connected. That is, the raw material valve 13 is used to control the communication between the raw material chamber 141 and the raw material outlet hole 142.

[0067] There can be several pigment feeding mechanisms 2. In this embodiment, preferably five pigment feeding mechanisms 2 are provided. The pigment feeding mechanism 2 includes a first pigment joint 21, a second pigment joint 22, a pigment valve 23, and a second housing 24.

[0068] A pigment chamber 241 and a pigment outlet hole 242 are provided in the second housing 24. The first pigment joint 21 and the second pigment joint 22 are both fixedly installed on the mounting base 3 by screw threads, and both the first pigment joint 21 and the second pigment joint 22 are communicated with the pigment chamber 241.

[0069] The pigment valve 23 includes a second piston rod 231, a second piston 232, a third interface 233, and a fourth interface 234. The third interface 233 and the fourth interface 234 are both installed on the second housing 24 by screw threads. A second air chamber 243 is also provided in the second housing 24. The second piston 232 is movably installed in the second air chamber 243, and the second piston 232 divides the second air chamber 243 into a third sub-air chamber 244 and a fourth sub-air chamber 245. The third interface 233 is communicated with the third sub-air chamber 244, the fourth interface 234 is communicated with the fourth sub-air chamber 245, the second piston rod 231 is connected to the second piston 232, and a second partition block 2311 is provided at the bottom of the second piston rod 231. The second partition block 2311 is located in the pigment chamber 241.

[0070] When the second partition block 2311 is located at the communication position between the pigment chamber 241 and the pigment outlet hole 242, it can block the communication between the pigment chamber 241 and the pigment outlet hole 242. When the second partition block 2311 is not located at the communication position between the pigment chamber 241 and the pigment outlet hole 242, the pigment chamber 241 and the pigment outlet hole 242 are connected. That is, the pigment valve 23 is used to control the communication between the pigment chamber 241 and the pigment outlet hole 242.

[0071] The mounting base 3 includes a mounting base body 31 and a connecting base 32. The mounting base body 31 and the connecting base 32 are fixedly connected. A groove 311 is provided in the middle of the mounting base body 31. The power unit 6 can be an energy supply component, which can be connected to an external power device through a belt transmission mechanism. Thus, the power unit 6 is fixedly installed on the groove 311.

[0072] The side of the mounting seat body 31 is provided with two bosses 312. Each boss 312 is provided with two first mounting surfaces 313. The first housings 14 of the four raw material feeding mechanisms 1 are respectively and fixedly mounted on the first mounting surfaces 313 by bolts. The side of the connecting seat 32 is provided with five second mounting surfaces 321. The second housings 24 of the five pigment feeding mechanisms 2 are respectively and fixedly mounted on the second mounting surfaces 321 by bolts.

[0073] The mounting seat body 31 of the mounting seat 3 is further provided with a main hole 314, and the main hole 314 is located at the bottom of the groove 311. Each first mounting surface 313 is provided with a first hole 315, and each second mounting surface 321 is provided with a second hole 322. All the first holes 315 and all the second holes 322 are communicated with the main hole 314. Thus, the raw material outlet holes 142 on the raw material feeding mechanisms 1 mounted on the respective first mounting surfaces 313 can all be communicated with the main hole 314 through the first holes 315, and the pigment outlet holes 242 on the pigment feeding mechanisms 2 mounted on the respective second mounting surfaces 321 can all be communicated with the main hole 314 through the second holes 322.

[0074] The power part 6 is fixedly connected to the stirring shaft 5, so that an external power device can drive the power part 6 to rotate through a belt transmission mechanism, and the rotation of the power part can drive the stirring shaft 5 to rotate, and one end of the stirring shaft 5 passes through the main hole 314.

[0075] The pouring nozzle 4 includes a pouring nozzle body 41, a connecting disk 42 and clamping claws 43. The connecting disk 42 is fixedly connected to the bottom of the connecting seat 32 of the mounting seat 3 by bolts. There are multiple clamping claws 43, and all the clamping claws 43 are fixedly mounted on the bottom of the connecting disk 42 by bolts. The clamping claws 43 are clamped on the pouring nozzle body 41, so that the pouring nozzle body 41 is fixedly connected to the mounting seat 3.

[0076] A stirring cavity 411 is arranged in the pouring nozzle body 41. The end of the stirring shaft 5 passing through the main hole 314 is located in the stirring cavity 411, and the stirring cavity 411 is communicated with the main hole 314. The pouring nozzle 4 is further provided with a pouring port 412, and the pouring port 412 is also communicated with the stirring cavity 411, that is, all the raw material feeding mechanisms 1 and the pigment feeding mechanisms 2 can be communicated with the pouring nozzle 4 through the mounting seat 3.

[0077] The pouring nozzle 4 further includes a plastic heat insulation shell 44, a first coolant joint 45 and a second coolant joint 46. The first coolant joint 45 and the second coolant joint 46 are both fixedly mounted on the plastic heat insulation shell 44 by thread fitting. The plastic heat insulation shell 44 is fixedly mounted outside the pouring nozzle body 41, and a cold flow channel 410 is arranged between the plastic heat insulation shell 44 and the pouring nozzle body 41. The first coolant joint 45 and the second coolant joint 46 are both communicated with the cold flow channel 410.

[0078] In the pouring machine multi-functional head of this embodiment, the first raw material connector 11 and the second raw material connector 12 on each raw material feeding mechanism 1 can be respectively connected to mechanisms that supply different raw materials such as A material or B material, so as to facilitate the entry and exit of different raw materials in different raw material feeding mechanisms 1. The first interface 133 and the second interface 134 are both connected to an external air supply structure to facilitate the entry and exit of gas in the first air cavity 143.

[0079] And the first pigment connector 21 and the second pigment connector 22 on each pigment feeding mechanism 2 can be respectively connected to mechanisms that supply different pigments such as toner, so as to facilitate the entry and exit of different pigments in different pigment feeding mechanisms 2. The third interface 233 and the fourth interface 234 are both connected to another external air supply structure to facilitate the entry and exit of gas in the second air cavity 243.

[0080] The first coolant connector 45 and the second coolant connector 46 can both be connected to an external coolant supply structure to facilitate the entry and exit of coolant in the cold runner 410.

[0081] When this pouring machine multi-functional head is in use, the user can select the corresponding raw materials and pigments to be mixed according to the polyurethane products to be made, such as shoe soles or shoe pads, etc. Then, supply materials to the second raw material connector 12 of the corresponding raw material feeding mechanism 1 containing the required raw materials. The raw materials can enter the raw material cavity 141 through the second raw material connector 12. The first raw material connector 11 is used for returning materials, and supplies gas to the second interface 134. Stop supplying gas to the first interface 133, then the second air distribution cavity 145 intakes air, and the first air distribution cavity 144 exhausts air through the first interface 133. The first piston 132 drives the first piston rod 131 to move, so that the first partition block 1311 on the first piston rod 131 moves away from the raw material outlet hole 142, and the raw material cavity 141 and the raw material outlet hole 142 become connected. Then, the raw materials in the raw material cavity 141 can enter the main hole 314, and then enter the mixing cavity 411 through the main hole 314.

[0082] Similarly, it is also possible to supply materials to the second pigment connector 22 of the corresponding pigment feeding mechanism 2 containing the required pigments. The pigments can enter the pigment cavity 241 through the second pigment connector 22. The first pigment connector 21 is used for returning materials, and supplies gas to the fourth interface 234. Stop supplying gas to the third interface 233, then the fourth air distribution cavity 245 intakes air, and the third air distribution cavity 244 exhausts air through the third interface 233. The second piston 232 drives the second piston rod 231 to move, so that the second partition block 2311 on the second piston rod 231 moves away from the pigment outlet hole 242, and the pigment cavity 241 and the pigment outlet hole 242 become connected. Then, the pigments in the pigment cavity 241 can enter the main hole 314, and then enter the mixing cavity 411 through the main hole 314.

[0083] Meanwhile, an external power device can be activated to drive the power unit 6 to rotate. The rotation of the power unit 6 drives the stirring shaft 5 to rotate, and the stirring shaft 5 can stir and mix the raw materials and pigments located in the stirring chamber 411. The mixed material after stirring and mixing can flow out from the pouring port 412 to achieve pouring.

[0084] In addition, when it is necessary to stop the feeding of any raw material feeding mechanism 1 into the stirring chamber 411, the first interface 133 on the raw material feeding mechanism 1 can be supplied with gas, and the supply of gas to the second interface 134 is stopped. Then, the first air distribution chamber 144 intakes air, and the second air distribution chamber 145 discharges air through the second interface 134. The first piston 132 drives the first piston rod 131 to move, so that the first partition block 1311 on the first piston rod 131 moves closer to the raw material outlet hole 142 until the first partition block 1311 cuts off the connection between the raw material chamber 141 and the raw material outlet hole 142, that is, the raw materials cannot enter the stirring chamber 411.

[0085] When it is necessary to stop the feeding of any pigment feeding mechanism 2 into the stirring chamber 411, the third interface 233 of the pigment feeding mechanism 2 can be supplied with gas, and the supply of gas to the fourth interface 234 is stopped. Then, the third air distribution chamber 244 intakes air, and the fourth air distribution chamber 245 discharges air through the fourth interface 234. The second piston 232 drives the second piston rod 231 to move, so that the second partition block 2311 on the second piston rod 231 moves closer to the pigment outlet hole 242 until the second partition block 2311 cuts off the connection between the pigment chamber 241 and the pigment outlet hole 242, that is, the pigments cannot enter the stirring chamber 411.

[0086] During the process of the stirring shaft 5 stirring in the stirring chamber 411, in order to reduce the temperature of the pouring nozzle main body 41, the first coolant joint 45 can also be supplied with liquid, and the second coolant joint 46 returns the liquid, so that the coolant can flow through the cold flow channel 410 to cool the pouring nozzle main body 41.

[0087] The above are only some embodiments of the present invention. For those of ordinary skill in the art, without departing from the inventive concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention.

Claims

1. The multi-functional head of a pouring machine, characterized in that It includes a raw material feeding mechanism, a pigment feeding mechanism, a mounting base, a pouring nozzle, a stirring shaft and a power unit. There are multiple raw material feeding mechanisms and several pigment feeding mechanisms. All the raw material feeding mechanisms and pigment feeding mechanisms are installed on the mounting base. The pouring nozzle is connected to the mounting base. All the raw material feeding mechanisms and pigment feeding mechanisms can be communicated with the pouring nozzle through the mounting base. The power unit is installed on the mounting base and is connected to the stirring shaft. One end of the stirring shaft is arranged inside the pouring nozzle. The raw material feeding mechanism includes a first raw material joint, a second raw material joint, a raw material valve and a first housing. A raw material chamber and a raw material outlet hole are arranged inside the first housing. The first raw material joint and the second raw material joint are both installed on the first housing and are both communicated with the raw material chamber. The raw material valve is installed on the first housing and is used to control the communication between the raw material chamber and the raw material outlet hole. The pigment feeding mechanism includes a first pigment joint, a second pigment joint, a pigment valve and a second housing. A pigment chamber and a pigment outlet hole are arranged inside the second housing. The first pigment joint and the second pigment joint are both communicated with the pigment chamber. The pigment valve is installed on the second housing and is used to control the communication between the pigment chamber and the pigment outlet hole. The pouring nozzle includes a plastic heat insulation shell, a first coolant joint and a second coolant joint. The first coolant joint and the second coolant joint are both installed on the plastic heat insulation shell. The plastic heat insulation shell is installed outside the pouring nozzle body. A cold flow channel is arranged between the plastic heat insulation shell and the pouring nozzle body. The first coolant joint and the second coolant joint are both communicated with the cold flow channel.

2. The multi-functional head of the pouring machine according to claim 1, characterized in that, The raw material valve includes a first piston rod, a first piston, a first interface and a second interface. The first interface and the second interface are both installed on the first housing. A first air chamber is arranged inside the first housing. The first piston is installed inside the first air chamber and divides the first air chamber into a first sub-air chamber and a second sub-air chamber. The first interface is communicated with the first sub-air chamber. The second interface is communicated with the second sub-air chamber. The first piston rod is connected to the first piston. A first partition block is arranged on the first piston rod. The first partition block is located inside the raw material chamber.

3. The multi-functional head of the pouring machine according to claim 1, characterized in that The pigment valve includes a second piston rod, a second piston, a third interface and a fourth interface. The third interface and the fourth interface are both installed on the second housing. A second air chamber is arranged inside the second housing. The second piston is installed inside the second air chamber and divides the second air chamber into a third sub-air chamber and a fourth sub-air chamber. The third interface is communicated with the third sub-air chamber. The fourth interface is communicated with the fourth sub-air chamber. The second piston rod is connected to the second piston. A second partition block is arranged on the second piston rod. The second partition block is located inside the pigment chamber.

4. The multi-functional head of the pouring machine according to claim 1, characterized in that, The pouring nozzle includes a pouring nozzle body. A stirring chamber is arranged inside the pouring nozzle body. One end of the stirring shaft is located inside the stirring chamber. The pouring nozzle is provided with a pouring port. The stirring chamber is communicated with the pouring port.

5. The multi-functional head of the pouring machine according to claim 4, characterized in that, The pouring nozzle includes a connecting disc and clamping claws. The connecting disc is connected to the mounting base. There are multiple clamping claws. All the clamping claws are installed on the connecting disc. The clamping claws are clamped on the pouring nozzle body.

6. The multi-functional head of the pouring machine according to claim 1, characterized in that, The mounting base includes a mounting base body and a connecting seat. The mounting base body and the connecting seat are connected. A groove is provided in the middle of the mounting base body, and a boss is provided on the side of the mounting base body. A first mounting surface is provided on the boss, and the raw material feeding mechanism is mounted on the first mounting surface. A plurality of second mounting surfaces are provided on the side of the connecting seat, and the pigment feeding mechanism is mounted on the second mounting surfaces.

7. The multi-functional head of the pouring machine according to claim 6, characterized in that, A main hole is provided in the mounting base, the stirring shaft passes through the main hole, a first hole is provided on the first mounting surface, a second hole is provided on the second mounting surface, and both the first hole and the second hole communicate with the main hole.

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