Piglet nutrition formula proportioning equipment

Abstract

The utility model provides piglet nutrition formula proportioning equipment, belongs to the technical field of piglet nutrition formula feed proportioning equipment, and aims to solve the problems that powdered food additives gathered together are difficult to be fully mixed with granular food crops, so that the nutrition distribution of the proportioned nutrition formula feed is unbalanced, and the feed quality is poor. Comprising a proportioning tank, a feeding pipe, a discharging pipe, a waterproof shell, an additive placing box, a quantitative adding mechanism and an efficient stirring mechanism, the feeding pipe is arranged above the proportioning tank; the additive placing box is fixedly connected to the upper part of the proportioning tank; the discharge pipe is arranged below the proportioning tank; the waterproof shell is fixedly connected above the proportioning tank; the quantitative adding mechanism is arranged in the additive placing box; the efficient stirring mechanism is arranged in the proportioning tank. According to the utility model, the mixing speed of the powdery food additive and the granular food crops in the nutrition formula feed is increased, and the mixing effect of the powdery food additive and the granular food crops is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of proportioning equipment for piglet nutritional formula feed, and more specifically, particularly relates to a proportioning equipment for piglet nutritional formula feed. Background Art

[0002] The growth rate of piglets accelerates sharply after fifteen days of age. Sow's breast milk alone can no longer meet the growth needs of piglets, so they need to supplement with nutritional formula feed. The vast majority of the nutritional formula feed for piglets is granular grain crops such as corn, bran, rice bran, bean cake and barley. Then, a small proportion of powdered food additives such as calcium carbonate, salt, inner shell powder, fish meal and vitamins are needed to supplement the growth needs of piglets. In small-scale pig farms, there is no large-scale special proportioning equipment. Usually, the grain crops that account for the vast majority of the nutritional formula are weighed out with a scale and poured into a mixing tank. Then, the powdered food additives that account for a small proportion of the nutritional formula are weighed with a small electronic scale and put into the mixing tank. After the grain crops and food additives are evenly mixed in the mixing tank, they can be fed to the piglets.

[0003] The existing application number is: CN201720040373.0. The utility model discloses a piglet feeding device, including a bracket, a feed bucket is fixedly installed above the bracket, a food tray is installed at the bottom of the bracket, a first solenoid valve is provided at the outlet of the feed bucket, a water tank is also provided above the bracket, and a second solenoid valve is provided at the water outlet of the water tank; a pressure sensor is provided above the food tray; and a control module is also included, wherein the first solenoid valve, the second solenoid valve, and the pressure sensor are electrically connected to the control module respectively; the device can effectively control the ratio of feed and water and the feeding time through the setting of two solenoid valves and the control module, and through the setting of the pressure sensor, when the feed reaches the set height of the pressure sensor, the pressure sensor gives the control module an electrical signal, and the control module can control the solenoid valve to close and stop feeding, and the whole process is automated. In addition, the partition can effectively prevent the piglets from fighting for food during eating.

[0004] Based on the above, when putting grain crops and food additives into a mixing tank for mixing, the grain crops and food additives are weighed out separately in advance and then poured into the mixing tank for mixing, wherein the grain crops in the mixing tank account for the vast majority, while the food additives account for a very small part and are mostly powdered substances. When the powdered food additives are put into the mixing tank already filled with grain crops at one time, the powdered food additives will gather above the grain crops inside the mixing tank, and then the mixing shaft of the mixing tank starts to rotate and stir. When these gathered powdered food additives have not been fully mixed with the granular grain crops, they are easy to sink from the gaps between the granular grain crops to the bottom of the mixing tank, resulting in the powdered food additives being difficult to fully mix with the granular grain crops, thereby making the nutritional distribution of the formulated nutritional formula feed unbalanced, affecting the growth and development of piglets. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a piglet nutritional formula proportioning device to solve the problem that the existing powdered food additives gathered together are not fully mixed with the granular grain crops, and are easy to sink from the gaps between the granular grain crops to the bottom of the mixing tank, resulting in the powdered food additives being difficult to be fully mixed with the granular grain crops, thereby making the nutritional distribution of the proportioned nutritional formula feed unbalanced, affecting the growth and development of piglets.

[0006] The purpose and effect of the piglet nutrition formula mixing device of the utility model are achieved by the following specific technical means:

[0007] A piglet nutrition formula proportioning device, comprising a proportioning tank, a feed pipe, a discharge pipe, a waterproof shell, an additive placement box, a servo motor, an outer gear ring, a quantitative motor, a quantitative adding mechanism and a high-efficiency stirring mechanism;

[0008] The proportioning tank is provided with a flip cover on top, and when a small amount of feed is proportioned, a small amount of feed can be directly poured into the proportioning tank through the flip cover;

[0009] The feed pipe is arranged above the proportioning tank. When a large amount of feed proportioning is required, a large amount of feed can be pumped into the proportioning tank through the feed pipe;

[0010] The additive placement box is fixedly connected above the proportioning tank, and powdered food additives can be placed inside the additive placement box;

[0011] The discharge pipe is arranged below the proportioning tank, and the proportioned feed is discharged from the proportioning tank through the discharge pipe;

[0012] The waterproof shell is fixedly connected above the proportioning tank;

[0013] The servo motor is fixedly connected inside the waterproof shell;

[0014] The outer gear ring is arranged above the interior of the proportioning tank;

[0015] The quantitative motor is fixedly connected inside the additive placement box;

[0016] The quantitative adding mechanism is arranged inside the additive placement box;

[0017] The high-efficiency stirring mechanism is arranged inside the proportioning tank.

[0018] Furthermore, the high-efficiency stirring mechanism includes a first transmission shaft, a sun gear and a central stirring blade;

[0019] The first transmission shaft is rotatably connected to the inside of the proportioning tank, and the first transmission shaft is coaxially fixedly connected to the motor shaft of the servo motor;

[0020] The central stirring blade is fixedly connected to the outer periphery below the first transmission shaft, and the rotation of the central stirring blade can improve the fluid convection mixing effect in the central area inside the proportioning tank, effectively improving the mixing efficiency;

[0021] The sun gear is coaxially fixedly connected to the upper periphery of the first transmission shaft.

[0022] Furthermore, the efficient stirring mechanism also includes planetary gears and a rectangular connecting plate;

[0023] The rectangular connecting plate is rotatably connected to the inside of the proportioning tank, a group of through holes are provided at both ends of the rectangular connecting plate, and the rectangular connecting plate rotates on the periphery of the first transmission shaft;

[0024] There are two groups of planetary gears, which are rotatably connected above the rectangular connecting plate, meshed with the sun gear, and meshed with the inner circumference of the outer gear ring.

[0025] Furthermore, the high-efficiency stirring mechanism also includes a second transmission shaft and a circumferential stirring blade;

[0026] There are two groups of second transmission shafts, which are respectively fixedly connected under the two groups of planetary gears, and are respectively arranged on the inner peripheries of the through holes at both ends of the rectangular connecting plate;

[0027] There are two groups of circumferential stirring blades, which are respectively fixedly connected to the outer peripheries below the two groups of second transmission shafts. The two groups of circumferential stirring blades can well stir the feed at the tank wall of the proportioning tank.

[0028] Furthermore, the quantitative addition mechanism includes a T-shaped plate, a disc member and a limiting shaft;

[0029] The T-shaped plate is fixedly connected to the inside of the additive placement box, and two sets of hoops are provided on the side below the T-shaped plate;

[0030] The disc member is rotatably connected to the side of the T-shaped plate;

[0031] The limiting shaft is fixedly connected to the side surface of the disc member.

[0032] Furthermore, the quantitative adding mechanism also includes a fan-shaped pendulum and a third transmission shaft;

[0033] The fan-shaped swing piece is hinged on the side of the T-shaped plate, and is provided with an oblong notch, the oblong notch of the fan-shaped swing piece is arranged on the outer periphery of the limit shaft, and a plurality of sets of trapezoidal teeth are arranged below the fan-shaped swing piece;

[0034] The third transmission shaft is arranged on the inner periphery of two groups of hoop rings on the side below the T-shaped plate, and multiple groups of trapezoidal teeth are arranged on the outer periphery of the third transmission shaft. The multiple groups of trapezoidal teeth on the outer periphery of the third transmission shaft are respectively engaged with the multiple groups of trapezoidal teeth below the fan-shaped pendulum.

[0035] Furthermore, the quantitative addition mechanism also includes an intermittent connection piece, a clamping piece and an additive material pipe;

[0036] The additive material pipe is fixedly connected to the inside of the additive placement box, one end of the additive material pipe is arranged above the inside of the additive placement box, and the other end of the additive material pipe is arranged inside the proportioning tank. Two groups of notches are opened on the outer peripheral surface of the additive material pipe, and the food additives in the additive placement box can flow into the proportioning tank through the additive material pipe;

[0037] The clamping piece is fixedly connected to the inside of the additive placement box, and the clamping piece is fixedly connected to the additive material pipe, and the clamping piece plays a role in preventing the additive material pipe from shaking;

[0038] There are two groups of intermittent connecting members, which are fixedly connected to the outer periphery of the third transmission shaft respectively. One end of the two groups of intermittent connecting members can enter the interior of the additive material tube through two groups of notches on the outer periphery of the additive material tube respectively, so as to intermittently block the powdered food additives inside the additive material tube from falling.

[0039] Compared with the prior art, the utility model has the following beneficial effects:

[0040] The utility model provides a quantitative adding mechanism. When it is necessary to mix nutritional formula feed for piglets, the quantitative motor rotates to drive the two groups of intermittent connecting parts to move back and forth through the transmission cooperation of the disc part, the limit shaft, the fan-shaped pendulum and the third transmission shaft, thereby completing the operation of intermittently blocking the powdered food additive inside the additive tube from falling, realizing the intermittent addition of a small amount of powdered food additive, and improving the mixing effect of the powdered food additive and granular grain crops.

[0041] The utility model is provided with a high-efficiency stirring mechanism. When the nutritional formula feed of piglets needs to be stirred, the servo motor rotates through the first transmission shaft to drive the sun gear and the central stirring blade to rotate. The rotation of the central stirring blade can improve the stirring effect of the central area inside the proportioning tank. The sun gear is matched with the transmission of two sets of planetary gears and two sets of second transmission shafts to make the two sets of circular stirring blades rotate while rotating around the sun gear. The rotation of the two sets of circular stirring blades can improve the stirring effect at the wall of the proportioning tank, thereby improving the mixing speed of powdered food additives and granular grain crops in the nutritional formula feed.

[0042] The utility model has the advantages of increasing the mixing speed of the powdered food additive and the granular grain crops in the nutritional formula feed, increasing the mixing effect of the powdered food additive and the granular grain crops, and avoiding the situation that when the powdered food additive is added at one time, the powdered food additive is not fully mixed with the granular grain crops and is easy to sink to the bottom of the proportioning tank through the gaps between the granular grain crops. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0044] Figure 2 It is a schematic diagram of the feed pipe structure of the utility model.

[0045] Figure 3 It is a structural schematic diagram of the high-efficiency stirring mechanism of the utility model.

[0046] Figure 4 It is a schematic diagram of the structure of the outer gear ring of the utility model.

[0047] Figure 5 It is a schematic diagram of the circular stirring blade structure of the utility model.

[0048] Figure 6 It is a structural schematic diagram of the quantitative adding mechanism of the utility model.

[0049] Figure 7 It is a schematic diagram of the additive material pipe structure of the utility model.

[0050] In the figure, the corresponding relationship between the component names and the figure numbers is as follows:

[0051] 1. Proportioning tank; 101. Feed pipe; 102. Discharge pipe; 103. Waterproof shell; 104. Additive placement box; 2. Servo motor; 3. First transmission shaft; 4. Sun gear; 5. Outer ring gear; 6. Planetary gear; 7. Rectangular connecting plate; 8. Second transmission shaft; 9. Circular stirring blade; 10. Central stirring blade; 11. Measuring motor; 12. T-plate; 13. Disc piece; 1301. Limiting shaft; 14. Fan-shaped pendulum; 15. Third transmission shaft; 16. Intermittent connecting piece; 17. Tightening piece; 18. Additive material pipe. DETAILED DESCRIPTION

[0052] The following is a further detailed description of the implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0053] Embodiment 1:

[0054] As attached Figure 1 To Attachment Figure 5 As shown:

[0055] The utility model provides a piglet nutrition formula proportioning device, comprising a proportioning tank 1, a feed pipe 101, a discharge pipe 102, a waterproof shell 103, an additive placement box 104, a servo motor 2, an outer gear ring 5, a quantitative motor 11 and a high-efficiency stirring mechanism;

[0056] A lift cover is provided on the top of the proportioning tank 1. When a small amount of feed is proportioned, a small amount of feed can be directly poured into the proportioning tank 1 through the lift cover;

[0057] The feed pipe 101 is arranged above the proportioning tank 1. When a large amount of feed proportioning is required, a large amount of feed can be pumped into the proportioning tank 1 through the feed pipe 101;

[0058] The additive placement box 104 is fixedly connected above the proportioning tank 1, and powdered food additives can be placed inside the additive placement box 104;

[0059] The discharge pipe 102 is arranged below the proportioning tank 1, and the proportioned feed is discharged from the proportioning tank 1 through the discharge pipe 102;

[0060] The waterproof housing 103 is fixedly connected above the proportioning tank 1;

[0061] The servo motor 2 is fixedly connected inside the waterproof shell 103;

[0062] The outer gear ring 5 is arranged above the inside of the proportioning tank 1;

[0063] The quantitative motor 11 is fixedly connected inside the additive placement box 104;

[0064] The high-efficiency stirring mechanism is arranged inside the proportioning tank 1 .

[0065] The high-efficiency stirring mechanism includes a first transmission shaft 3, a sun gear 4 and a central stirring blade 10;

[0066] The first transmission shaft 3 is rotatably connected to the inside of the proportioning tank 1, and the first transmission shaft 3 is coaxially fixedly connected to the motor shaft of the servo motor 2;

[0067] The central stirring blade 10 is fixedly connected to the outer periphery below the first transmission shaft 3. The rotation of the central stirring blade 10 can improve the fluid convection mixing effect in the central area inside the proportioning tank 1, and effectively improve the mixing efficiency;

[0068] The sun gear 4 is coaxially fixedly connected to the upper periphery of the first transmission shaft 3 .

[0069] The high-efficiency stirring mechanism further includes a planetary gear 6 and a rectangular connecting plate 7;

[0070] The rectangular connecting plate 7 is rotatably connected to the inside of the proportioning tank 1, and a group of through holes are provided at both ends of the rectangular connecting plate 7. The rectangular connecting plate 7 rotates on the outer periphery of the first transmission shaft 3;

[0071] There are two groups of planetary gears 6 , which are rotatably connected above the rectangular connecting plate 7 , respectively, and meshed with the sun gear 4 , respectively, and meshed with the inner circumference of the outer gear ring 5 , respectively.

[0072] The high-efficiency stirring mechanism further includes a second transmission shaft 8 and a circumferential stirring blade 9;

[0073] There are two groups of second transmission shafts 8, which are respectively fixedly connected under the two groups of planetary gears 6, and are respectively arranged on the inner peripheries of the through holes at both ends of the rectangular connecting plate 7;

[0074] There are two groups of circumferential stirring blades 9 , which are respectively fixedly connected to the outer circumference below the two groups of second transmission shafts 8 . The two groups of circumferential stirring blades 9 can well stir the feed at the tank wall of the proportioning tank 1 .

[0075] The specific usage and function of the first embodiment are as follows:

[0076] During use, when it is necessary to stir the nutritional formula feed for piglets, the servo motor 2 is started, and the servo motor 2 rotates through the first transmission shaft 3 to drive the sun gear 4 and the central stirring blade 10 to rotate. The rotation of the central stirring blade 10 can improve the fluid convection mixing effect in the central area inside the proportioning tank 1. The rotation of the sun gear 4 drives the two sets of planetary gears 6 to rotate around the sun gear 4 in cooperation with the outer ring gear 5. The two sets of planetary gears 6 also rotate themselves. The two sets of planetary gears 6 make the two sets of circumferential stirring blades 9 rotate around the sun gear 4 through the two sets of second transmission shafts 8. The two sets of circumferential stirring blades 9 also rotate themselves. The rotation of the two sets of circumferential stirring blades 9 can well stir the feed at the wall of the proportioning tank 1, thereby achieving stirring inside the proportioning tank 1 and improving the mixing speed of powdered food additives and granular grain crops in the nutritional formula feed.

[0077] Embodiment 2:

[0078] Based on the first embodiment, Figures 1 to 7 As shown, a quantitative adding mechanism is also included, and the quantitative adding mechanism is arranged inside the additive placement box 104;

[0079] The quantitative adding mechanism includes a T-shaped plate 12, a disc 13 and a limiting shaft 1301;

[0080] The T-shaped plate 12 is fixedly connected to the inside of the additive placement box 104, and two sets of hoops are provided on the lower side of the T-shaped plate 12;

[0081] The disc member 13 is rotatably connected to the side of the T-shaped plate 12;

[0082] The limiting shaft 1301 is fixedly connected to the side surface of the disc member 13 .

[0083] The quantitative adding mechanism further includes a fan-shaped pendulum 14 and a third transmission shaft 15;

[0084] The fan-shaped swing piece 14 is hinged on the side of the T-shaped plate 12, and the fan-shaped swing piece 14 is provided with an oblong notch, and the oblong notch of the fan-shaped swing piece 14 is arranged on the periphery of the limiting shaft 1301, and a plurality of sets of trapezoidal teeth are arranged below the fan-shaped swing piece 14;

[0085] The third transmission shaft 15 is arranged on the inner periphery of the two groups of hoops on the side below the T-shaped plate 12, and a plurality of groups of trapezoidal teeth are arranged on the outer periphery of the third transmission shaft 15. The plurality of groups of trapezoidal teeth on the outer periphery of the third transmission shaft 15 are respectively engaged with the plurality of groups of trapezoidal teeth below the fan-shaped pendulum 14.

[0086] The quantitative adding mechanism further includes an intermittent connecting member 16, a clamping member 17 and an additive material pipe 18;

[0087] The additive material pipe 18 is fixedly connected to the inside of the additive placement box 104, one end of the additive material pipe 18 is arranged above the inside of the additive placement box 104, and the other end of the additive material pipe 18 is arranged inside the proportioning tank 1. Two groups of notches are opened on the outer peripheral surface of the additive material pipe 18, and the food additives in the additive placement box 104 can flow into the proportioning tank 1 through the additive material pipe 18;

[0088] The clamping member 17 is fixedly connected inside the additive placement box 104, and the clamping member 17 is fixedly connected to the additive material pipe 18, and the clamping member 17 plays a role in preventing the additive material pipe 18 from shaking;

[0089] There are two groups of intermittent connectors 16, which are fixedly connected to the outer periphery of the third transmission shaft 15 respectively. One end of the two groups of intermittent connectors 16 can enter the additive tube 18 through two groups of notches on the outer periphery of the additive tube 18 respectively, so as to intermittently block the powdered food additives in the additive tube 18 from falling.

[0090] The specific usage and function of the second embodiment are as follows:

[0091] In use, when it is necessary to mix nutritional formula feed for piglets, the weighed grain crops are poured into the mixing tank 1, and then the weighed powdered food additives are poured into the additive placement box 104. When the powdered food additives in the additive placement box 104 flow into the mixing tank 1 through the additive material pipe 18, the quantitative motor 11 is started, and the quantitative motor 11 rotates to drive the disc member 13 to rotate. The rotation of the disc member 13 causes the fan-shaped pendulum 14 to reciprocate through the limit shaft 1301. The reciprocating swing of the fan-shaped pendulum 14 drives the two groups of intermittent connecting members 16 to move back and forth through the third transmission shaft 15. The two groups of intermittent connecting members 16 can intermittently block the powdered food additives in the additive tube 18 from falling by reciprocating movement, thereby realizing intermittent addition of a small amount of powdered food additives. While stirring is being carried out in the proportioning tank 1, the powdered food additives can be added little by little, thereby improving the mixing effect of the powdered food additives and the granular grain crops, and avoiding the situation in which the powdered food additives are not fully mixed with the granular grain crops when the powdered food additives are added at one time and then easily sink to the bottom of the proportioning tank 1 through the gaps between the granular grain crops.

Claims

1. A piglet nutritional formula mixing device, comprising a mixing tank (1), a feed pipe (101), a discharge pipe (102), a waterproof shell (103), an additive placement box (104), a servo motor (2), an outer gear ring (5), a quantitative motor (11), a quantitative adding mechanism and a high-efficiency stirring mechanism; the feed pipe (101) is arranged above the mixing tank (1); the additive placement box (104) is fixedly connected to the top of the mixing tank (1); the characteristics are: The discharge pipe (102) is arranged below the proportioning tank (1); the waterproof shell (103) is fixedly mounted above the proportioning tank (1); the servo motor (2) is fixedly mounted inside the waterproof shell (103); the outer gear ring (5) is arranged above the interior of the proportioning tank (1); the quantitative motor (11) is fixedly mounted inside the additive placement box (104); the quantitative addition mechanism is arranged inside the additive placement box (104); and the high-efficiency stirring mechanism is arranged inside the proportioning tank (1).

2. A piglet nutrition formula mixing device as claimed in claim 1, characterized in that: The high-efficiency stirring mechanism comprises a first transmission shaft (3), a sun gear (4) and a central stirring blade (10); the first transmission shaft (3) is rotatably mounted inside the proportioning tank (1), and the first transmission shaft (3) is coaxially fixedly connected to the motor shaft of the servo motor (2); the central stirring blade (10) is fixedly mounted on the lower periphery of the first transmission shaft (3); and the sun gear (4) is coaxially fixedly mounted on the upper periphery of the first transmission shaft (3).

3. A piglet nutrition formula mixing device as claimed in claim 2, characterized in that: The high-efficiency stirring mechanism further comprises a planetary gear (6) and a rectangular connecting plate (7); the rectangular connecting plate (7) is rotatably mounted inside the proportioning tank (1), a group of through holes are provided at both ends of the rectangular connecting plate (7), and the rectangular connecting plate (7) rotates on the outer periphery of the first transmission shaft (3); there are two groups of planetary gears (6), the two groups of planetary gears (6) are rotatably mounted above the rectangular connecting plate (7), the two groups of planetary gears (6) are respectively meshed with the sun gear (4), and the two groups of planetary gears (6) are respectively meshed with the inner periphery of the outer gear ring (5).

4. A piglet nutrition formula mixing device as claimed in claim 2, characterized in that: The high-efficiency stirring mechanism further comprises a second transmission shaft (8) and a circumferential stirring blade (9); there are two sets of the second transmission shaft (8), the two sets of the second transmission shaft (8) are respectively fixedly mounted below the two sets of planetary gears (6), and the two sets of the second transmission shaft (8) are respectively arranged on the inner circumference of the through holes at both ends of the rectangular connecting plate (7); there are two sets of the circumferential stirring blade (9), the two sets of the circumferential stirring blade (9) are respectively fixedly mounted on the outer circumference below the two sets of the second transmission shaft (8).

5. A piglet nutritional formula mixing device as claimed in claim 1, characterized in that: The quantitative addition mechanism comprises a T-shaped plate (12), a disc member (13) and a limiting shaft (1301); the T-shaped plate (12) is fixedly mounted inside the additive placement box (104), and two groups of hoops are provided on the side below the T-shaped plate (12); the disc member (13) is rotatably mounted on the side of the T-shaped plate (12); and the limiting shaft (1301) is fixedly mounted on the side of the disc member (13).

6. A piglet nutritional formula mixing device as claimed in claim 5, characterized in that: The quantitative addition mechanism further comprises a fan-shaped pendulum (14) and a third transmission shaft (15); the fan-shaped pendulum (14) is hinged on the side of the T-shaped plate (12); the fan-shaped pendulum (14) is provided with an oblong notch; the oblong notch of the fan-shaped pendulum (14) is arranged on the outer periphery of the limit shaft (1301); a plurality of groups of trapezoidal teeth are arranged below the fan-shaped pendulum (14); the third transmission shaft (15) is arranged on the inner periphery of two groups of hoops on the side of the lower side of the T-shaped plate (12); a plurality of groups of trapezoidal teeth are arranged on the outer periphery of the third transmission shaft (15); the plurality of groups of trapezoidal teeth on the outer periphery of the third transmission shaft (15) are respectively engaged with the plurality of groups of trapezoidal teeth below the fan-shaped pendulum (14).

7. A piglet nutritional formula mixing device as claimed in claim 5, characterized in that: The quantitative addition mechanism further comprises an intermittent connecting member (16), a clamping member (17) and an additive material pipe (18); the additive material pipe (18) is fixedly mounted inside the additive placement box (104); the clamping member (17) is fixedly mounted inside the additive placement box (104), and the clamping member (17) is fixedly connected to the additive material pipe (18); there are two groups of intermittent connecting members (16), and the two groups of intermittent connecting members (16) are respectively fixedly connected to the outer periphery of the third transmission shaft (15).

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