Adjustable equal proportion mixing device

Abstract

The application relates to the technical field of mixing devices, in particular to an adjustable equal-proportion mixing device, which comprises a base, a mixing frame is arranged above the base, a plurality of groups of horizontally arranged feeding pipes are distributed on the outer side of the mixing frame in a circumferential direction, a storage hopper is communicated with the feeding pipe, and a stirring motor is installed on the top of the mixing frame. The double-precision control of the feeding amount is realized through a spiral feeding rod, a moving variable speed structure and an electric telescopic rod. When the electric telescopic rod drives the spiral feeding rod to move horizontally, on one hand, the rotating speed of the spiral feeding rod is changed through the radial position change of the friction wheel and the annular friction disc, and on the other hand, the material passing rate is adjusted through the overlapping area change of the arc-shaped baffle and the discharge port, the rotating speed of the spiral feeding rod and the opening and closing area of the discharge port are dynamically adjusted, the precise control of the feeding amount is realized, a plurality of groups of feeding pipes can be independently adjusted, the materials can be mixed according to the preset proportion, and the manual operation error is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of mixing devices, in particular to an adjustable equal-proportion mixing device. BACKGROUND

[0002] In many industrial fields such as chemical industry, medicine and food, it is often necessary to uniformly mix multiple different materials according to a specific proportion to meet the production process requirements or obtain target products.

[0003] At present, the traditional multiple material mixing equipment often relies on manual experience to adjust the feeding amount or discharging amount of each material, such as controlling the flow rate by a manual valve. This way not only has low precision, but also is difficult to ensure that the proportion of each material remains stable and consistent. Especially when multiple materials are involved, the proportion coordination between materials is further increased in difficulty, and it is easy to cause proportion imbalance, resulting in that the mixed materials cannot meet the process requirements. Therefore, an adjustable equal-proportion mixing device is proposed, which can accurately control the discharging proportion of multiple materials, thereby realizing a high-efficiency and uniform mixing device. SUMMARY

[0004] In view of the problems in the prior art, the present application provides an adjustable equal-proportion mixing device, which can accurately control the discharging proportion of multiple materials, thereby realizing a high-efficiency and uniform mixing device.

[0005] The technical solution adopted by the present application to solve the technical problems is an adjustable equal-proportion mixing device, which comprises a base, a mixing frame is arranged above the base, a plurality of groups of horizontally arranged feeding pipes are circumferentially distributed outside the mixing frame, a storage hopper is communicated above each feeding pipe, a stirring motor is installed at the top of the mixing frame, a stirring shaft connected with the stirring motor is arranged in the mixing frame, a spiral feeding rod is arranged in the feeding pipe, an electric telescopic rod is installed at the end of the feeding pipe away from the stirring motor, the output end of the electric telescopic rod is rotationally connected with the spiral feeding rod, and the spiral feeding rod is driven by the stirring shaft through a movement speed change structure.

[0006] Specifically, a first discharging port is arranged below one end of the feeding pipe in the mixing frame, an arc-shaped baffle is arranged below the first discharging port, a second discharging port is arranged on the arc-shaped baffle, the second discharging port is initially staggered with the first discharging port, a rotating rod is connected to the end of the spiral feeding rod away from the electric telescopic rod, a sliding hole corresponding to the rotating rod is arranged on the feeding pipe, the rotating rod penetrates through the sliding hole and is rotationally connected with a rotating ring, and the rotating ring is connected with the arc-shaped baffle through a support.

[0007] Specific, the mobile variable speed structure includes a rotating disc connected to the stirring shaft and a friction wheel connected to the end of the rotating rod, the lower surface of the rotating disc is detachably connected with an annular friction disc, the rotating disc is connected with the stirring shaft through an elastic member, and the friction wheel is located in the middle of the rotating disc in the initial state.

[0008] Specific, the stirring shaft is provided with a plurality of groups of first stirring rods above, a through groove is arranged in the first stirring rod, a sealing plate is sealingly and slidably connected in the through groove, a second stirring rod is fixedly connected to one side of the sealing plate, a reset spring is fixedly connected between the side, away from the second stirring rod, of the sealing plate and the inner wall of the through groove, a liquid inlet channel is arranged in the stirring shaft and communicated with the through groove, and the elastic member is communicated with the liquid inlet channel.

[0009] Specific, the elastic coefficient of the reset spring gradually increases from bottom to top.

[0010] Specific, the elastic member includes an arc-shaped telescopic rod arranged horizontally on the upper surface of the rotating disc, the fixed end of the arc-shaped telescopic rod is fixedly connected with the upper surface of the rotating disc through a fixed plate, the output end of the arc-shaped telescopic rod is fixedly connected with the stirring shaft through a connecting rod, the fixed end of the arc-shaped telescopic rod is filled with a liquid, and one side of the fixed plate is provided with a liquid outlet connector communicated with the arc-shaped telescopic rod.

[0011] Specific, the rotating ring is provided with a positioning hole, one end of the feeding pipe is provided with a positioning rod corresponding to the positioning hole, and the positioning rod passes through the positioning hole and is slidably connected with the positioning hole.

[0012] Specific, the bottom of the mixing frame is provided with an electric discharge bin door.

[0013] Specific, the upper surface of the rotating disc is provided with a plurality of groups of circumferentially distributed cooling fins.

[0014] The beneficial effects of the present application are as follows:

[0015] 1. The adjustable equal-proportion mixing device can realize double-precision control of the feeding amount through the spiral feeding rod, the mobile variable speed structure and the electric telescopic rod; when the electric telescopic rod drives the spiral feeding rod to move horizontally, on one hand, the rotational speed of the spiral feeding rod is changed through the radial position change of the friction wheel and the annular friction disc, and on the other hand, the material passing rate is adjusted through the overlapping area change of the arc-shaped baffle and the discharge port, so that the rotational speed of the spiral feeding rod and the opening and closing area of the discharge port are dynamically adjusted to realize the precise control of the feeding amount, a plurality of feeding pipes can be independently adjusted to ensure that the materials are mixed according to the preset proportion and reduce the manual operation error.

[0016] 2. The adjustable equal proportion mixing device, when the feeding amount increases, the friction wheel moves to the edge of the annular friction disc, the liquid pressure generated by the extrusion of the arc-shaped telescopic rod is transmitted to the stirring shaft through the liquid inlet channel, and the second stirring rod in the first stirring rod is pushed out; and because the elastic coefficient of the reset spring increases from bottom to top, the second stirring rod will gradually extend from bottom to top as the material amount increases, preferentially stirring the bottom material, and then expanding to the upper part, ensuring that the materials at different heights are fully stirred, improving the mixing uniformity; when the feeding amount decreases, the second stirring rod automatically retracts, reducing the space occupation in the non-working state, while scraping the residual material, taking into account the stirring effect and equipment cleanliness. BRIEF DESCRIPTION OF DRAWINGS

[0017] The application will be further described below in combination with the drawings and examples.

[0018] Figure 1 is the axonometric view of the application;

[0019] Figure 2 is another axonometric view of the application;

[0020] Figure 3 is the cross-sectional structure diagram of the mixing frame and the feeding pipe of the application;

[0021] Figure 4 is the bottom view structure diagram of the annular friction disc of the application;

[0022] Figure 5 is the enlarged view of area A of Figure 4 ;

[0023] Figure 6 is the axonometric view of the stirring shaft and the feeding pipe shaft of the application;

[0024] Figure 7 is the enlarged view of area B of Figure 6 ;

[0025] Figure 8 is the cross-sectional structure diagram of the stirring shaft of the application;

[0026] Figure 9 is the enlarged view of area C of Figure 8 ;

[0027] In the figure: 1, base; 2, mixing frame; 3, feeding pipe; 4, storage hopper; 5, stirring motor; 6, stirring shaft; 7, spiral feeding rod; 8, electric telescopic rod; 9, first discharge port; 10, arc baffle; 11, second discharge port; 12, rotating rod; 13, rotating ring; 14, support; 15, rotating disc; 16, friction wheel; 17, annular friction disc; 18, first stirring rod; 19, through slot; 20, sealing plate; 21, second stirring rod; 22, return spring; 23, liquid inlet channel; 24, arc telescopic rod; 25, connecting rod; 26, fixed plate; 27, liquid outlet connector; 28, positioning hole; 29, positioning rod; 30, electric discharge bin door; 31, cooling fin. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, purposes and effects of the present application easy to understand, the present application is further described below in conjunction with specific embodiments.

[0029] In order to be able to accurately control the discharge ratio of multiple materials, thereby realizing a device for efficient and uniform mixing, as an embodiment of the present application, as shown in Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 A kind of adjustable equal proportion mixing device provided by the present application, including base 1, the upper portion of the base 1 is provided with mixing frame 2, the outer side of the mixing frame 2 is circumferentially distributed with several groups of horizontally arranged feeding pipes 3, the upper portion of each feeding pipe 3 is communicated with storage hopper 4, the top of the mixing frame 2 is provided with stirring motor 5, the mixing frame 2 is provided with stirring shaft 6 connected with stirring motor 5, the feeding pipe 3 is provided with spiral feeding rod 7, the end of the feeding pipe 3 away from stirring motor 5 is provided with electric telescopic rod 8, the output end of the electric telescopic rod 8 is rotatably connected with spiral feeding rod 7, and spiral feeding rod 7 is driven by stirring shaft 6 through movement variable speed structure.

[0030] When using, multiple materials to be mixed are respectively placed in corresponding storage hopper 4, and the materials naturally fall into the lower feeding pipe 3, so as to complete the preparation of materials before mixing;

[0031] When the materials need to be discharged and mixed, electric telescopic rod 8 is started, the output end of electric telescopic rod 8 drives spiral feeding rod 7 to move horizontally along feeding pipe 3, in the process of moving spiral feeding rod 7, movement variable speed structure is established with stirring shaft 6 to establish transmission relationship, so that the power of stirring shaft 6 can be transmitted to spiral feeding rod 7 to drive spiral feeding rod 7 to rotate, when spiral feeding rod 7 rotates, the materials in feeding pipe 3 are continuously pushed into mixing frame 2; at the same time, stirring motor 5 at the top of mixing frame 2 is started to drive stirring shaft 6 to rotate, so as to stir and mix the materials entering mixing frame 2, thereby realizing the preliminary mixing of materials;

[0032] When it is necessary to expand the feeding amount of a single group of materials, the electric telescopic rod 8 is further driven to shorten, and the screw feeding rod 7 is driven to move away from the stirring shaft 6. At this time, the movement speed change structure changes the transmission ratio between the screw feeding rod 7 and the stirring shaft 6, so that the rotation speed of the screw feeding rod 7 is increased, thereby increasing the material conveying amount of the feeding pipe 3 of the group; on the contrary, if the electric telescopic rod 8 is lengthened, the screw feeding rod 7 moves towards the stirring shaft 6, the rotation speed of the screw feeding rod 7 is reduced, and the feeding amount is reduced.

[0033] For a plurality of groups of feeding pipes 3 distributed in a circle, the rotation speed of each group of screw feeding rods 7 can be changed by respectively adjusting the extension amount of the corresponding electric telescopic rod 8 of each group, so as to accurately control the feeding proportion of each group of materials. For example, when A and B materials need to be mixed in a ratio of 1:2, the rotation speed of the screw feeding rod 7 of the B group can be twice that of the A group by adjusting the corresponding electric telescopic rod 8 of A and B, so as to ensure that the two materials enter the mixing frame 2 in a predetermined ratio, and the final mixed material ratio is stable and consistent. Without manual operation of the valve, the screw feeding rod 7 is driven by the electric telescopic rod 8, and the movement speed change structure is used to realize mechanical and automatic adjustment of the feeding amount, thereby improving the adjustment accuracy. For a plurality of materials, the electric telescopic rod 8 of each group of feeding pipes 3 can be independently adjusted to accurately control the feeding speed of each group of materials, so as to ensure that the materials always enter the mixing frame 2 in a predetermined equal ratio, avoid the imbalance of the proportions of multiple materials, and meet the strict requirements of the production process on the mixing ratio of materials.

[0034] In order to facilitate the adjustment of the feeding amount of the materials, as shown in Figure 3 , Figure 4 , Figure 5 illustrated, the application further comprises that the feeding pipe 3 is provided with a first discharge port 9 below one end in the mixing frame 2, the lower side of the first discharge port 9 is provided with an arc-shaped baffle 10, the arc-shaped baffle 10 is provided with a second discharge port 11, the second discharge port 11 is initially staggered with the first discharge port 9, one end of the screw feeding rod 7 away from the electric telescopic rod 8 is connected with a rotating rod 12, the feeding pipe 3 is provided with a sliding hole corresponding to the rotating rod 12, the rotating rod 12 penetrates through the sliding hole and is rotationally connected with a rotating ring 13, and the rotating ring 13 is connected with the arc-shaped baffle 10 through a support 14.

[0035] In use, when the material needs to be transported, first, the electric telescopic rod 8 is started, the output end of the electric telescopic rod 8 drives the spiral feeding rod 7 to move horizontally along the feeding pipe 3, the spiral feeding rod 7 moves while driving the rotating rod 12 to move synchronously along the sliding hole, when the rotating rod 12 moves, the rotating ring 13 and the support 14 drive the arc-shaped baffle 10 to move synchronously, in the initial state, the first discharge port 9 and the second discharge port 11 are in staggered state, at this time, the material cannot pass through the discharge port into the mixing frame 2, with the movement of the arc-shaped baffle 10, the second discharge port 11 gradually coincides with the first discharge port 9, when the two discharge ports begin to coincide, the material in the feeding pipe 3 can pass through the first discharge port 9 and the second discharge port 11 into the mixing frame 2.

[0036] If the feeding amount needs to be further improved, the electric telescopic rod 8 can be adjusted to make the spiral feeding rod 7 continue to move, thereby driving the rotating rod 12, the rotating ring 13 and the support 14 to move the arc-shaped baffle 10, increasing the coincidence area of the first discharge port 9 and the second discharge port 11, at the same time, the moving variable speed structure is relied on to synchronously increase the rotating speed of the rotating rod 12 and the spiral feeding rod 7 in the process of moving the spiral feeding rod 7, so that the material passing rate of the discharge port is increased, at the same time, the speed of the spiral feeding rod 7 conveying the material is accelerated, thereby significantly improving the overall feeding amount.

[0037] In order to facilitate the rotation of the spiral feeding rod 7, as shown in Figure 3 , Figure 4 , Figure 5 , Figure 6 illustrated, the application also includes that the moving variable speed structure includes a rotating disc 15 rotatably connected to the stirring shaft 6 and a friction wheel 16 connected to the end of the rotating rod 12, the lower surface of the rotating disc 15 is detachably connected with an annular friction disc 17, the rotating disc 15 is connected with the stirring shaft 6 through an elastic member, and the friction wheel 16 is located in the middle part of the rotating disc 15 in the initial state.

[0038] In use, a plurality of materials to be mixed are respectively poured into the corresponding feeding pipe 3 above the storage hopper 4, the materials naturally fall into the feeding pipe 3 under the action of gravity, the electric telescopic rod 8 of the corresponding feeding pipe 3 is started, the output end of the electric telescopic rod 8 is shortened, driving the spiral feeding rod 7 to move horizontally away from the mixing frame 2, the spiral feeding rod 7 moves while driving the arc-shaped baffle 10 to move synchronously, so that the second discharge port 11 gradually coincides with the first discharge port 9 of the feeding pipe 3, at the same time, the friction wheel 16 at the end of the rotating rod 12 moves with the rotating rod 12, gradually approaching the annular friction disc 17 on the lower surface of the rotating disc 15, and finally contacting the annular friction disc 17.

[0039] Start the stirring motor 5 at the top of the mixing frame 2, the stirring shaft 6 rotates and drives the rotating disc 15 to rotate synchronously through the elastic member, because the friction wheel 16 has been in contact with the annular friction disc 17, when the rotating disc 15 rotates, the annular friction disc 17 drives the friction wheel 16 to rotate through friction, the friction wheel 16 rotates to drive the rotating rod 12 to rotate, the rotating rod 12 is fixedly connected with the spiral feeding rod 7, so the spiral feeding rod 7 rotates synchronously, when the spiral feeding rod 7 rotates, the material in the feeding pipe 3 is pushed to the first discharge port 9 and the second discharge port 11, and the initial feeding is completed;

[0040] If it is necessary to increase the feeding amount of the material, the electric telescopic rod 8 is further controlled to be shortened, the rotating rod 12 pushes the arc-shaped baffle 10 to continue to move, the overlapping area of the first discharge port 9 and the second discharge port 11 is increased, and the feeding amount is improved; at the same time, the rotating rod 12 drives the friction wheel 16 to move along the annular friction disc 17 radially to the edge, so that the friction wheel 16 gradually moves away from the center of the rotating disc 15, the distance from the contact point of the friction wheel 16 and the annular friction disc 17 to the center of the rotating disc 15, that is, the contact radius, gradually increases, at this time, the rotating speed of the annular friction disc 17 driving the friction wheel 16 to rotate through friction is accelerated, and then the rotating speed is transmitted to the spiral feeding rod 7 through the rotating rod 12, so that the rotating speed of the spiral feeding rod 7 is increased, and the material conveying speed is increased, and the two are synchronous, that is, more material can pass through the discharge port, and the material is conveyed to the discharge port faster, so that the adjustment efficiency and range of the feeding amount are greatly improved, and it is ensured that the feeding amount can be quickly and stably increased according to requirements.

[0041] Conversely, if the electric telescopic rod 8 pulls the friction wheel 16 to move to the center of the annular friction disc 17, the radius of the contact point is reduced, and the rotating speed of the friction wheel 16 and the spiral feeding rod 7 is also reduced, and the material conveying speed is slowed down, at the same time, the overlapping area of the discharge port is reduced, which is matched with the reduction of the rotating speed of the spiral feeding rod 7, that is, the material passing amount is limited, and the pushing speed is slowed down, so that the feeding amount is not excessive, the feeding amount is accurately reduced, the material mixing ratio demand in different scenes can be accurately matched, and the problem of unstable feeding caused by single adjustment, that is, only adjusting the speed or only adjusting the channel, is reduced.

[0042] In order to enhance the stirring effect and make the material mixing more uniform, for example, Figure 4 , Figure 8 , Figure 9 It is shown that the present application also comprises a plurality of groups of first stirring rods 18 above the stirring shaft 6, a through groove 19 is arranged in the first stirring rod 18, a sealing plate 20 is sealingly and slidably connected in the through groove 19, a second stirring rod 21 is fixedly connected to one side of the sealing plate 20, a return spring 22 is fixedly connected between the side, away from the second stirring rod 21, of the sealing plate 20 and the inner wall of the through groove 19, a liquid inlet channel 23 that communicates with the through groove 19 is arranged in the stirring shaft 6, and the elastic member communicates with the liquid inlet channel 23.

[0043] In use, when the stirring shaft 6 rotates, the elastic member is extruded, and the liquid in the liquid inlet channel 23 is transported into the through slot 19 of the first stirring rod 18 under the extrusion, the liquid in the through slot 19 pushes the sealing plate 20 to seal and slide in the through slot 19, and the sealing plate 20 moves to drive the second stirring rod 21 to move synchronously, so that the second stirring rod 21 extends from the through slot 19 of the first stirring rod 18, the stirring range is expanded, the contact with the material in the mixing frame 2 is more sufficient, the stirring effect is enhanced, and the material is mixed more uniformly.

[0044] When the stirring shaft 6 stops rotating, the extrusion on the elastic member disappears, the reset spring 22 pushes the sealing plate 20 to move in the opposite direction to reset, and when the sealing plate 20 moves to reset, the second stirring rod 21 moves synchronously, so that the second stirring rod 21 is retracted into the through slot 19 of the first stirring rod 18, the space occupied by the stirring rod in the non-working state is reduced, and the inside of the device is convenient for cleaning or maintenance; meanwhile, in the retracting process of the second stirring rod 21, the outer side wall of the second stirring rod 21 is in contact with and slides relative to the inner wall of the through slot 19, so that the residual material on the outer side wall of the second stirring rod 21 is scraped off.

[0045] In order to dynamically adjust the stirring effect according to the feeding amount and the feeding speed, the uniformity of the material mixing is improved, and the elastic coefficient of the reset spring 22 is increased step by step from bottom to top.

[0046] In use, when the feeding amount and the feeding speed of the feeding pipe 3 increase, the material in the mixing frame 2 gradually increases, the extrusion degree of the elastic member by the stirring shaft 6 gradually increases, at this time, the liquid in the elastic member is extruded and enters the through slot 19 of the first stirring rod 18 through the liquid inlet channel 23, the sealing plate 20 in the through slot 19 moves away from the reset spring 22 under the liquid pressure, and then drives the second stirring rod 21 to extend from the through slot 19 of the first stirring rod 18, because the elastic coefficient of the reset spring 22 is increased step by step from bottom to top, the elastic coefficient of the lower reset spring 22 is smaller, so that the lower second stirring rod 21 is elongated first; as the material continues to increase, the extrusion of the elastic member by the stirring shaft 6 further increases, the liquid pressure also increases, and after overcoming the elastic force of the reset spring 22 with a larger elastic coefficient above, the second stirring rod 21 above is sequentially elongated;

[0047] When the feeding amount and the feeding speed are gradually increased to cause the material in the mixing frame 2 to gradually increase, the second stirring rod 21 can be gradually extended from bottom to top, so that the second stirring rod 21 extended first at the bottom can first stir the material gradually increased at the bottom, and the second stirring rod 21 at the top can participate in stirring in turn as the material accumulation height rises, thereby expanding the stirring range at different heights and ensuring that the material at different heights in the mixing frame 2 can be fully stirred, so as to dynamically adjust the stirring effect according to the feeding amount and the feeding speed and improve the uniformity of material mixing.

[0048] In order to realize that the stirring range gradually expands from bottom to top as the material amount increases and ensure that the material at different heights can be fully stirred, as shown in Figure 6 、 Figure 7 、 Figure 8 illustrated, the elastic member includes an arc-shaped telescopic rod 24 horizontally arranged on the upper surface of the rotating disc 15, the fixed end of the arc-shaped telescopic rod 24 is fixedly connected with the upper surface of the rotating disc 15 through a fixed plate 26, the output end of the arc-shaped telescopic rod 24 is fixedly connected with the stirring shaft 6 through a connecting rod 25, the fixed end of the arc-shaped telescopic rod 24 is filled with liquid, one side of the fixed plate 26 is provided with a liquid outlet connector 27 in communication with the arc-shaped telescopic rod 24, and the liquid outlet connector 27 is in communication with the liquid inlet channel 23 through a pipeline.

[0049] In use, the friction wheel 16 is initially located at the middle of the rotating disc 15 and initially contacts or does not contact the annular friction disc 17, and the arc-shaped telescopic rod 24 is in a natural telescopic state, and the internal liquid pressure is stable;

[0050] When the stirring shaft 6 rotates, the arc-shaped telescopic rod 24, the fixed plate 26 and the rotating disc 15 are synchronously rotated by the connecting rod 25, when the electric telescopic rod 8 adjusts the movement of the screw feeding rod 7 to drive the friction wheel 16 at the end of the rotating rod 12 to move towards the annular friction disc 17, the friction wheel 16 and the annular friction disc 17 are frictionally transmitted, at this time, the stirring shaft 6 rotates to extrude the output end of the arc-shaped telescopic rod 24 through the connecting rod 25, so that the liquid in the fixed end of the arc-shaped telescopic rod 24 is supplied into the liquid inlet channel 23 through the liquid outlet connector 27 on the fixed plate 26, and the second stirring rod 21 at the lowermost position of the stirring shaft 6 is driven to extend, thereby ensuring the stirring effect;

[0051] When the electric telescopic rod 8 drives the friction wheel 16 at the end of the rotating rod 12 to move to the edge of the friction wheel 16, the contact point radius of the friction wheel 16 with the annular friction disc 17 increases, and since the friction wheel 16 needs to be synchronously driven with the rotating disc 15, the resistance of the friction wheel 16 to the annular friction disc 17 increases at this time. At this time, when the stirring shaft 6 rotates, it will further drive the connecting rod 25 to extrude the output end of the arc telescopic rod 24, causing the arc telescopic rod 24 on the upper surface of the rotating disc 15 to be further extruded, and the liquid in the fixed end of the arc telescopic rod 24 is extruded and enters the liquid inlet channel 23 of the stirring shaft 6 through the liquid outlet joint 27 and the pipeline, and then flows into the through groove 19 of each first stirring rod 18 along the liquid inlet channel 23. The liquid pressure in the through groove 19 drives the sealing plate 20 to move against the elastic force of the return spring 22, and drives the second stirring rod 21 to extend out of the through groove 19 of the first stirring rod 18, thereby expanding the stirring range.

[0052] When the feeding amount increases, the friction wheel 16 is at the edge of the annular friction disc 17, and at this time the stirring range is automatically expanded; when the feeding amount decreases, the friction wheel 16 is in the middle of the annular friction disc 17, and the stirring range is automatically reduced, without the need for additional power to control the telescoping of the stirring rod, thereby realizing dynamic matching of feeding and stirring, reducing energy consumption, and improving the coordination of the device.

[0053] When the friction wheel 16 moves to the edge, the rotating speed of the spiral feeding rod 7 increases, the feeding amount increases, and the material in the mixing frame 2 increases. At this time, the liquid pressure generated by the extrusion of the arc telescopic rod 24 is transmitted to the stirring shaft 6 through the liquid inlet channel 23, and the second stirring rod 21 is driven to extend, so that the second stirring rod 21 below the stirring shaft 6 is elongated first due to the small spring force, and the bottom of the material is preferentially stirred; as the material accumulation height rises, the second stirring rod 21 above is sequentially elongated, thereby realizing the gradual expansion of the stirring range from bottom to top as the material amount increases, and ensuring that the materials at different heights can be fully stirred.

[0054] When the device stops working, the return spring 22 drives the second stirring rod 21 to retract into the through groove 19, and the liquid in the liquid inlet channel 23 is extruded into the fixed end of the arc telescopic rod 24, so that the arc telescopic rod 24 is reset, thereby facilitating the subsequent stirring operation of the next group of materials.

[0055] For example, as shown in Figure 6 , Figure 7 The present application also includes that the rotating ring 13 is provided with a positioning hole 28, one end of the feeding pipe 3 is provided with a positioning rod 29 corresponding to the positioning hole 28, and the positioning rod 29 penetrates through the positioning hole 28 and is in sliding connection with the positioning hole 28.

[0056] In use, the action of the positioning rod 29 and the positioning hole 28 can ensure the overall stability of the rotating ring 13, avoid deflection or skewing during movement, and ensure that the first discharge port 9 and the second discharge port 11 always remain in a parallel and aligned state.

[0057] As shown in the drawings, Figure 3 The bottom of the mixing frame 2 is provided with an electric discharge bin door 30.

[0058] In use, when the materials in the mixing frame 2 are sufficiently mixed by the stirring shaft 6 and the first stirring rod 18 and the second stirring rod 21 to reach a preset mixing uniformity, the electric discharge bin door 30 is started, and the mixed materials are discharged by the electric discharge bin door 30 under the action of gravity.

[0059] As shown in the drawings, Figure 6 , Figure 7 The upper surface of the rotating disc 15 is provided with a plurality of groups of circumferentially distributed cooling fins 31.

[0060] In use, the friction wheel 16 is in contact with the annular friction disc 17 for transmission, and heat is generated due to friction. At the same time, the rotating disc 15 also generates a certain amount of heat when rotating with the stirring shaft 6. The cooling fins 31 can increase the contact area of the rotating disc 15 with air and accelerate the heat dissipation speed.

[0061] In use, different types of materials to be mixed are poured into the corresponding storage hoppers 4 according to the mixing requirements. The materials naturally fall into the feeding pipes 3 connected below the storage hoppers 4 under the action of gravity, and the preparation of the materials before mixing is completed.

[0062] The stirring motor 5 at the top of the mixing frame 2 is started, and the stirring motor 5 drives the stirring shaft 6 connected thereto to start rotating. When the stirring shaft 6 rotates, the rotating disc 15 is driven to rotate synchronously through the connecting rod 25, the arc-shaped telescopic rod 24, and the fixed plate 26, thereby providing a power basis for the subsequent transmission of the spiral feeding rod 7.

[0063] The electric telescopic rod 8 is started, and the output end of the electric telescopic rod 8 drives the spiral feeding rod 7 to move horizontally along the feeding pipe 3. When it is necessary to increase the feeding amount of a certain group of materials, the electric telescopic rod 8 is controlled to be shortened, thereby driving the spiral feeding rod 7 to move away from the stirring shaft 6. At this time, the friction wheel 16 at the end of the rotating rod 12 moves towards the edge of the annular friction disc 17, and since the contact point radius of the friction wheel 16 and the annular friction disc 17 increases, the rotating speed of the spiral feeding rod 7 increases. At the same time, the rotating rod 12 drives the arc-shaped baffle 10 to move through the rotating ring 13 and the bracket 14, so that the overlapping area of the first discharge port 9 and the second discharge port 11 increases, the material passing rate increases, and the feeding amount increases under the double action.

[0064] When it is necessary to reduce the feeding amount of a certain group of materials, the electric telescopic rod 8 is controlled to extend, driving the screw feeding rod 7 to move towards the direction close to the stirring shaft 6, the friction wheel 16 moves to the middle of the annular friction disc 17, the contact point radius is reduced, and the rotation speed of the screw feeding rod 7 is reduced; at the same time, the arc-shaped baffle 10 moves to reduce the overlapping area of the two discharge ports, the material passing rate is reduced, and the feeding amount is reduced;

[0065] The screw feeding rod 7 pushes the materials in the feeding pipe 3 to the direction of the mixing frame 2 while rotating, the materials pass through the overlapping area of the first discharge port 9 and the second discharge port 11 and enter the mixing frame 2, and multiple feeding pipes 3 synchronously deliver materials according to the set proportion, and the materials are preliminarily collected in the mixing frame 2;

[0066] When the stirring shaft 6 rotates, the arc-shaped telescopic rod 24, the fixed plate 26 and the rotating disc 15 are synchronously rotated by the connecting rod 25, when the electric telescopic rod 8 adjusts the movement of the screw feeding rod 7, the friction wheel 16 at the end of the rotating rod 12 moves to the annular friction disc 17, the friction wheel 16 and the annular friction disc 17 are frictionally transmitted, at this time, when the stirring shaft 6 rotates, the connecting rod 25 extrudes the output end of the arc-shaped telescopic rod 24, the liquid in the fixed end of the arc-shaped telescopic rod 24 is supplied to the liquid inlet channel 23 through the liquid outlet connector 27 on the fixed plate 26, and the second stirring rod 21 at the lowermost part of the stirring shaft 6 is driven to extend, so as to ensure the stirring effect;

[0067] When the electric telescopic rod 8 drives the friction wheel 16 at the end of the rotating rod 12 to move to the edge of the friction wheel 16, the contact point radius of the friction wheel 16 and the annular friction disc 17 increases, because the friction wheel 16 needs to be synchronously transmitted with the rotating disc 15, at this time, the resistance of the friction wheel 16 to the annular friction disc 17 increases, at this time, when the stirring shaft 6 rotates, the connecting rod 25 extrudes the output end of the arc-shaped telescopic rod 24, the arc-shaped telescopic rod 24 on the upper surface of the rotating disc 15 is further extruded, the liquid in the fixed end of the arc-shaped telescopic rod 24 is extruded and enters the liquid inlet channel 23 of the stirring shaft 6 through the liquid outlet connector 27 and the pipeline, and then flows into the through groove 19 of each first stirring rod 18 along the liquid inlet channel 23, the liquid pressure in the through groove 19 drives the sealing plate 20 to move against the elastic force of the return spring 22, drives the second stirring rod 21 to extend from the through groove 19 of the first stirring rod 18, expands the stirring range, and adjusts adaptively according to the actual material discharge amount; when the material discharge amount is large, the fixed stirring parameters may cause the material mixing to be insufficient and the uniformity to be poor, and local material aggregation or stratification may occur; when the material discharge amount is small, if the stirring intensity is not reduced accordingly, energy waste may be caused, and even the characteristics of some sensitive materials may be damaged due to excessive stirring;

[0068] The actual discharging amount of the material can be self-adaptively adjusted, so that when the discharging amount of the material is large, the fixed stirring parameters can avoid causing insufficient mixing of the material, poor uniformity, local material aggregation or stratification phenomenon; and when the discharging amount is small, if the stirring intensity is not reduced accordingly, energy waste is caused, and even the characteristics of some sensitive materials are damaged due to excessive stirring;

[0069] When the material is stirred in the mixing frame 2 to a preset time or reaches the mixing requirement, the stirring motor 5 and the electric telescopic rod 8 are turned off, the feeding and stirring are stopped, the electric discharge bin door 30 at the bottom of the mixing frame 2 is started, the mixed material is discharged through the electric discharge bin door 30 under the action of gravity, and the whole mixing process is completed; after the discharging is completed, the electric discharge bin door 30 is closed, at this time, the reset spring 22 pushes the sealing plate 20 to reset, drives the second stirring rod 21 to retract into the through slot 19 of the first stirring rod 18, and the arc-shaped telescopic rod 24 is reset, and the liquid flows back into the fixed end of the arc-shaped telescopic rod 24.

[0070] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An adjustable proportional mixing device, characterized in that, Includes a base (1), a mixing frame (2) is provided above the base (1), several sets of horizontally arranged feeding pipes (3) are distributed around the outer circumference of the mixing frame (2), and a storage hopper (4) is connected above each feeding pipe (3). A stirring motor (5) is installed on the top of the mixing frame (2), and a stirring shaft (6) connected to the stirring motor (5) is provided inside the mixing frame (2). A spiral feeding rod (7) is provided inside the feeding pipe (3), and an electric telescopic rod (8) is installed at the end of the feeding pipe (3) away from the stirring motor (5). The output end of the electric telescopic rod (8) is rotatably connected to the spiral feeding rod (7), and the spiral feeding rod (7) is driven by the stirring shaft (6) through a moving speed change structure. The feeding pipe (3) is located below one end of the mixing frame (2) and has a first discharge port (9). An arc-shaped baffle (10) is located below the first discharge port (9). A second discharge port (11) is located on the arc-shaped baffle (10). The second discharge port (11) is initially staggered with the first discharge port (9). The end of the spiral feeding rod (7) away from the electric telescopic rod (8) is connected to the rotating rod (12). The feeding pipe (3) is provided with a sliding hole corresponding to the rotating rod (12). The rotating rod (12) passes through the sliding hole and is rotatably connected to the rotating ring (13). The rotating ring (13) is connected to the arc-shaped baffle (10) through the bracket (14). The moving speed-changing structure includes a turntable (15) rotatably connected to the stirring shaft (6) and a friction wheel (16) connected to the end of the rotating rod (12). The lower surface of the turntable (15) is detachably connected to an annular friction disc (17). The turntable (15) is connected to the stirring shaft (6) through an elastic element. The friction wheel (16) is initially located in the middle of the turntable (15). Several sets of first stirring rods (18) are arranged above the stirring shaft (6). A through groove (19) is provided in the first stirring rod (18). A sealing plate (20) is slidably connected in the through groove (19). A second stirring rod (21) is fixedly connected to one side of the sealing plate (20). A return spring (22) is fixedly connected between the side of the sealing plate (20) away from the second stirring rod (21) and the inner wall of the through groove (19). A liquid inlet channel (23) communicating with the through groove (19) is provided in the stirring shaft (6). The elastic element is connected to the liquid inlet channel (23).

2. The adjustable proportional mixing device according to claim 1, characterized in that, The elastic coefficient of the return spring (22) increases gradually from bottom to top.

3. The adjustable proportional mixing device according to claim 2, characterized in that, The elastic element includes an arc-shaped telescopic rod (24) horizontally arranged on the upper surface of the turntable (15). The fixed end of the arc-shaped telescopic rod (24) is fixedly connected to the upper surface of the turntable (15) through a fixing plate (26). The output end of the arc-shaped telescopic rod (24) is fixedly connected to the stirring shaft (6) through a connecting rod (25). The fixed end of the arc-shaped telescopic rod (24) is filled with liquid. One side of the fixing plate (26) is provided with a liquid outlet connector (27) communicating with the arc-shaped telescopic rod (24). The liquid outlet connector (27) is connected to the liquid inlet channel (23) through a pipeline.

4. The adjustable proportional mixing device according to claim 3, characterized in that, The rotating ring (13) is provided with a positioning hole (28), and one end of the feeding tube (3) is provided with a positioning rod (29) corresponding to the positioning hole (28). The positioning rod (29) passes through the positioning hole (28) and is slidably connected to the positioning hole (28).

5. The adjustable proportional mixing device according to claim 4, characterized in that, The bottom of the mixing frame (2) is equipped with an electric discharge hopper door (30).

6. The adjustable proportional mixing device according to claim 4, characterized in that, The upper surface of the turntable (15) is provided with several sets of circumferentially distributed heat sinks (31).

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