Feeding equipment

Abstract

The utility model relates to the technical field of raw material adding auxiliary equipment, in particular to feeding equipment which comprises a feeding bin with an opening in the top wall, and the opening in the top wall of the feeding bin is located below the opening in the top wall of a stirring machine tank body; the mounting frame is connected with a discharging bin, and the bottom wall of the discharging bin is open; the blocking plate is used for blocking an opening in the bottom wall of the discharging bin, the blocking plate is rotationally connected with the discharging bin, an operating rod is connected to the blocking plate, the operating rod penetrates out of the discharging bin, and the operating rod is rotationally connected with the discharging bin; one end of the material suction pipe is connected with the opening in the bottom wall of the feeding bin, the other end of the material suction pipe is connected with the discharging bin, and an air inlet is formed in the material suction pipe; one end of the air return pipe is connected with the top wall of the discharging bin, the other end of the air return pipe is connected with a negative pressure unit, the negative pressure unit is used for extracting gas in an inner cavity of the air return pipe, and the negative pressure unit is arranged on the mounting frame; the mixing machine has the effect of reducing the labor intensity of workers for adding raw materials into the mixing machine.

Description

Technical Field

[0001] The present application relates to the technical field of raw material adding auxiliary equipment, and in particular to a feeding device. Background Art

[0002] A mixer is a device used to mix different raw materials. It is widely used in chemical, pharmaceutical, food and other industries. The mixer can mix different raw materials in a certain proportion for subsequent processing or use. Different types of mixers have different working principles and structural characteristics, but they are usually composed of a mixing barrel, agitator, transmission device and control system.

[0003] The prior art discloses a high-precision spiral automatic mixer for mixing plastic injection molding masterbatch, which includes a bottom plate, a mixer is arranged above the bottom plate; and further includes: a feed valve, which is installed at the lower end of the mixer, a transmission section is arranged at the upper end of the mixer, a bearing ring is installed at the connection between the transmission section and the mixer, a cover plate is installed at the upper end of the transmission section, a belt drive cover is installed at the upper end of the cover plate, an asynchronous motor is installed at the upper end of the belt drive cover, support rods are installed at the lower ends of the four corners of the cover plate, the output end of the asynchronous motor passes through the belt drive cover and extends to the lower end of the cover plate, and a spiral stirring main shaft is installed, and the spiral stirring Connecting rods are installed at both ends of the mixing main shaft, and transmission blocks are installed at the ends of the connecting rods at both ends. A first spiral stirring support shaft is installed on the transmission block of the connecting rod at one end, and a second spiral stirring support shaft is installed on the transmission block of the connecting rod at the other end. The first spiral stirring support shaft is inclined at an angle of 30 degrees to the spiral stirring main shaft, and the second spiral stirring support shaft is inclined at an angle of 20 degrees to the spiral stirring main shaft; a masterbatch inlet pipe is arranged on one side of the belt drive cover, and one end of the masterbatch inlet pipe is connected to the inner cavity of the mixer; a material preparation tank is arranged on the other side of the belt drive cover, and brackets are installed at the four corners of the lower end of the material preparation tank.

[0004] With regard to the above-mentioned related technologies, a bottom plate is provided under the tank body of the mixer, and the height of the tank body of the mixer is superimposed, so that the height of the feed port of the tank body of the mixer is relatively high. Before the mixing operation, the staff is required to manually lift the packaging bags of the injection molding masterbatch to the feed port of the mixer for dumping, resulting in a high labor intensity for the staff. Utility Model Content

[0005] In order to reduce the labor intensity of workers adding raw materials into a mixer, the present application provides a feeding device.

[0006] A feeding device provided in this application adopts the following technical solution:

[0007] A feeding device, comprising:

[0008] A feed bin is provided with a top wall opening, and the top wall opening of the feed bin is located below the top wall opening of the mixer tank;

[0009] A mounting frame, the mounting frame is connected to a discharge bin, and the bottom wall of the discharge bin is provided with an opening;

[0010] A blocking plate for blocking the bottom wall opening of the discharge bin, the blocking plate being rotatably connected to the discharge bin, and a joystick being connected to the blocking plate, the joystick being arranged outside the discharge bin, and the joystick being rotatably connected to the discharge bin;

[0011] A suction pipe, one end of which is connected to the bottom wall opening of the feed bin, and the other end of which is connected to the discharge bin, and the suction pipe is provided with an air inlet;

[0012] A return air duct, one end of which is connected to the top wall of the discharge bin, and the other end of which is connected to a negative pressure unit, the negative pressure unit being used to extract gas from the inner cavity of the return air duct, and the negative pressure unit being arranged on the mounting frame.

[0013] By adopting the above technical scheme, the staff pours the injection molding masterbatch into the feed bin whose top wall opening is lower than the top wall opening of the mixer tank body, and the external power supply provides power for the negative pressure unit to work. The negative pressure unit draws the gas in the return air duct, and the return air duct is connected with the inner cavity of the discharge bin, so that the gas pressure inside the discharge bin is lower than the atmospheric pressure. Since the inner cavity of the feed bin is connected with the inner cavity of the discharge bin through the suction pipe, the injection molding masterbatch in the feed bin will enter the discharge bin through the suction pipe under the action of negative pressure. At this time, the sealing plate is forced to rotate by the operating lever and no longer blocks the bottom wall opening of the discharge bin. Under the action of its own gravity, the masterbatch enters the mixer tank through the bottom wall opening of the discharge bin to mix various raw materials. The designed loading equipment can provide a storage space with a lower opening height through the feed bin, and the bottom wall opening of the discharge bin can be blocked by a sealing plate to form a relatively closed material temporary storage space. The negative pressure unit, the return air duct and the suction pipe can be used to move the material from the feed bin to the discharge bin by negative pressure. The discharge bin and the sealing plate can realize the entry of the material into the mixer tank, which ultimately reduces the labor intensity of the staff adding raw materials to the mixer.

[0014] In a specific possible implementation manner, a filter screen is connected to the suction pipe, and the filter screen is arranged at the air inlet.

[0015] By adopting the above technical solution, the designed filter screen can reduce the possibility of external impurities entering the suction pipe through the air inlet on the suction pipe.

[0016] In a specific possible implementation manner, a fastening bolt is threadedly connected to the filter screen, and an air inlet adjustment plate is movably connected to the outer side of the filter screen, and the fastening bolt is arranged through the air inlet adjustment plate.

[0017] By adopting the above technical solution, the designed fastening screws and air inlet adjustment plate can adjust the size of the cross-section connecting the air inlet with the outside world, thereby changing the conveying speed of the material under the same negative pressure.

[0018] In a specific possible implementation manner, an anti-tilt block is connected to the mounting frame.

[0019] By adopting the above technical solution and the designed anti-tilt block, the possibility of the mounting frame tipping over can be reduced when a certain weight of material is temporarily stored in the discharge bin.

[0020] In a specific possible implementation scheme, the joystick includes a rotating part and a counterweight part that are integrally connected and vertically arranged, the rotating part passes through the discharge bin and is connected to the sealing plate, the counterweight part is connected to a counterweight block, and the counterweight block is used to keep the sealing plate in a state of sealing the bottom wall opening of the discharge bin.

[0021] By adopting the above technical solution, the designed counterweight block can overcome the gravity of the counterweight block to open the bottom wall opening of the discharge bin when the material on the sealing plate reaches a certain weight, thereby realizing quantitative discharge.

[0022] In a specific possible implementation manner, the counterweight block is threadedly connected to the counterweight portion, and the distance between the counterweight block and the rotation axis of the sealing plate changes after the counterweight block is rotated.

[0023] By adopting the above technical solution, the counterweight block designed to be threadedly connected to the counterweight part can adjust the value of each quantitative discharge.

[0024] In a specific possible implementation manner, a plurality of moving wheels are connected to both the feed bin and the mounting frame.

[0025] By adopting the above technical solution and the designed moving wheels, the movement of the feed bin and the mounting frame can be easily realized.

[0026] In a specific possible implementation manner, a push-pull handle with a gripping portion is connected to the feed bin.

[0027] By adopting the above technical solution, the designed push-pull handle is convenient for driving the feed bin to move.

[0028] In summary, the present application includes at least one of the following beneficial technical effects:

[0029] 1. The designed feeding equipment can provide a storage space with a relatively low opening height through the feed bin, and can block the bottom wall opening of the discharge bin through the sealing plate to form a relatively closed material temporary storage space. The negative pressure unit, the return air duct and the suction pipe can use the negative pressure to move the material from the feed bin to the discharge bin. The discharge bin and the sealing plate can realize the entry of the material into the mixer tank, which ultimately reduces the labor intensity of the staff adding raw materials to the mixer.

[0030] 2. The designed feeding equipment can adjust the cross-sectional size of the air inlet connecting to the outside world by tightening the screws and the air inlet adjustment plate, thereby changing the conveying speed of the material under the same negative pressure.

[0031] 3. The designed feeding equipment, through the counterweight block threadedly connected to the counterweight part, can overcome the gravity of the counterweight block when the material on the sealing plate reaches a certain weight to realize the opening of the bottom wall of the discharge bin, realize quantitative discharge, and adjust the value of each quantitative discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural schematic diagram of the feeding equipment of the embodiment of the present application.

[0033] Figure 2 yes Figure 1 sectional view of .

[0034] Figure 3 yes Figure 1 Enlarged view of part A in the middle.

[0035] Figure 4 yes Figure 1 Enlarged view of part B in the middle.

[0036] Figure 5 yes Figure 1 Schematic diagram of the three-dimensional structure after the moving wheels and push-pull handles are installed on the middle feed bin.

[0037] Explanation of the reference numerals: 1. Feed bin; 2. Mounting frame; 21. Discharge bin; 22. Sealing plate; 23. Joystick; 231. Rotating part; 232. Counterweight part; 3. Suction pipe; 31. Filter screen; 32. Fastening screw; 33. Air inlet adjustment plate; 4. Return air duct; 5. Negative pressure unit; 6. Anti-tilt block; 7. Counterweight block; 8. Moving wheel; 9. Push-pull handle. DETAILED DESCRIPTION

[0038] The following is combined with Figure 1-5 This application is described in further detail.

[0039] The embodiment of the present application discloses a feeding device.

[0040] Reference Figure 1A feeding device includes a feeding bin 1, a mounting frame 2 and a discharging bin 21; the top wall opening of the feeding bin 1 is provided, and the horizontal plane where the top wall opening of the feeding bin 1 is located is located below the horizontal plane where the top wall opening of the mixer tank is located; in order to facilitate pouring materials into the feeding bin 1, an inclined material receiving port is formed on one side of the feeding bin 1; the mounting frame 2 is located on one side of the feeding bin 1, the discharging bin 21 is welded and fixed on the mounting frame 2, and the discharging bin 21 is located above the feeding bin 1, the bottom wall opening of the discharging bin 21 is provided, and the horizontal plane where the bottom wall opening of the discharging bin 21 is located is higher than the horizontal plane where the top wall opening of the mixer tank is located.

[0041] Reference Figure 1 In order to be able to suck the materials poured into the feed bin 1 by the staff into the discharge bin 21, the feeding equipment also includes a suction pipe 3, a return air duct 4 and a negative pressure unit 5. One end of the suction pipe 3 is welded to the bottom wall opening of the feed bin 1, and the other end is welded to the side wall of the discharge bin 21, and the suction pipe 3 is provided with an air inlet, and the inner cavity of the feed bin 1 is connected with the inner cavity of the discharge bin 21 through the suction pipe 3; one end of the return air duct 4 is welded to the top wall of the discharge bin 21, and the other end of the return air duct 4 is flange-connected with the negative pressure unit 5, the exhaust port of the negative pressure unit 5 is connected with the inner cavity of the return air duct 4, and is used to extract the gas in the inner cavity of the return air duct 4, and the negative pressure unit 5 is installed on the mounting frame 2. In the present application, the negative pressure unit 5 can be a negative pressure pump, or it can be other equipment that can extract the gas in the inner cavity of the return air duct 4. In the present embodiment, the negative pressure unit 5 is set as a negative pressure pump.

[0042] Reference Figure 2 and Figure 3 In order to improve the extraction efficiency when the negative pressure unit 5 is working, the feeding device also includes a blocking plate 22, which is rotatably connected to the discharge bin 21, and the blocking plate 22 is located in the inner cavity of the discharge bin 21, and is used to block the bottom wall opening of the discharge bin 21, and a joystick 23 is welded and fixed on the blocking plate 22, and the joystick 23 is arranged to pass through the discharge bin 21, and the joystick 23 is rotatably connected to the discharge bin 21, and the opening and closing state of the blocking plate 22 is controlled by the joystick 23.

[0043] Reference Figure 2 and Figure 3 In order to facilitate the quantitative release of materials in the discharge bin 21, the operating lever 23 includes a rotating part 231 and a counterweight part 232 which are integrally connected and vertically arranged. The rotating part 231 is welded and fixed to the sealing plate 22, and the rotating part 231 and the rotating axis of the sealing plate 22 are coaxially arranged. The rotating part 231 passes through the discharge bin 21 and is rotatably connected to the discharge bin 21. A counterweight block 7 is sleeved on the counterweight block 7, and the counterweight block 7 is used to keep the sealing plate 22 in a state of sealing the bottom wall opening of the discharge bin 21.

[0044] Reference Figure 2 and Figure 3In order to adjust the threshold value of each quantitative release of material, the counterweight block 7 is threadedly connected to the counterweight part 232, and the distance between the counterweight block 7 and the rotating part 231 changes after the counterweight block 7 is rotated, thereby achieving a change in the length of the torque applied by the counterweight block 7 to the rotating part 231, thereby changing the material weight threshold value that drives the sealing plate 22 to rotate.

[0045] Reference Figure 2 and Figure 3 , the staff pours the injection molding masterbatch into the feed bin 1 whose top wall opening is lower than the top wall opening of the mixer tank, and the external power supply provides power for the negative pressure unit 5 to work. The negative pressure unit 5 draws the gas in the return air duct 4, and the return air duct 4 is connected with the inner cavity of the discharge bin 21, so that the gas pressure inside the discharge bin 21 is lower than the atmospheric pressure. Since the inner cavity of the feed bin 1 is connected with the inner cavity of the discharge bin 21 through the suction pipe 3, the injection molding masterbatch in the feed bin 1 will enter the discharge bin 21 through the suction pipe 3 under the action of negative pressure. At this time, the weight of the material in the discharge bin 21 will cause the mounting frame 2 to have the risk of tipping over. Therefore, a plurality of anti-tilt blocks 6 are provided on the mounting frame 2, and the anti-tilt blocks 6 are arranged close to the ground.

[0046] Reference Figure 4 In order to reduce the possibility of external impurities entering the suction pipe 3 through the air inlet, a filter 31 is screwed to the suction pipe 3. The filter 31 is arranged at the air inlet to filter impurities entrained by the gas entering the inner cavity of the suction pipe 3 through the air inlet.

[0047] Reference Figure 4 In order to control the gas flow at the air inlet, a fastening bolt is threadedly connected to the frame of the filter 31, and an air inlet adjustment plate 33 is movably connected to the outer side of the filter 31. The fastening bolt passes through the air inlet adjustment plate 33, and by tightening the fastening bolt, the air inlet adjustment plate 33 can be pressed and fixed on the frame of the filter 31.

[0048] Reference Figure 5 In order to facilitate the movement of the feed bin 1 and the mounting frame 2, a plurality of movable wheels 8 are bolted to the feed bin 1 and the mounting frame 2. In the present application, the number of movable wheels 8 connected to the feed bin 1 and the mounting frame 2 is four, and preferably universal wheels; since the height of the feed bin 1 is set relatively low, in order to facilitate the application of force to the feed bin 1 to move it, a push-pull handle 9 is welded and fixed to the feed bin 1, and the push-pull handle 9 has a gripping portion with an appropriate height.

[0049] The implementation principle of a feeding device in an embodiment of the present application is as follows: a staff member pours the injection molding masterbatch into a feed bin 1 whose top wall opening is lower than the top wall opening of the mixer tank body, and an external power supply provides power for the negative pressure unit 5 to operate. The negative pressure unit 5 operates to extract the gas in the return air duct 4, and the return air duct 4 is connected to the inner cavity of the discharge bin 21, so that the gas pressure inside the discharge bin 21 is lower than the atmospheric pressure. Since the inner cavity of the feed bin 1 is connected to the inner cavity of the discharge bin 21 through the suction pipe 3, the injection molding masterbatch in the feed bin 1 will enter the discharge bin 21 through the suction pipe 3 under the action of negative pressure. At this time, a force is applied to the sealing plate 22 through the joystick 23 so that the sealing plate 22 rotates and no longer blocks the bottom wall opening of the discharge bin 21. At this time, the injection molding masterbatch enters the mixer tank body through the bottom wall opening of the discharge bin 21 under the action of its own gravity to carry out the mixing operation of various raw materials.

[0050] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A feeding device, characterized in that: include: A feed bin (1) is provided with a top wall opening, and the top wall opening of the feed bin (1) is located below the top wall opening of the mixer tank; A mounting frame (2), the mounting frame (2) being connected to a discharge bin (21), the bottom wall of the discharge bin (21) being provided with an opening; A blocking plate (22) for blocking the bottom wall opening of the discharge bin (21), the blocking plate (22) being rotatably connected to the discharge bin (21), and a joystick (23) being connected to the blocking plate (22), the joystick (23) being arranged to pass through the discharge bin (21), and the joystick (23) being rotatably connected to the discharge bin (21); A suction pipe (3), one end of which is connected to the bottom wall opening of the feed bin (1), and the other end of which is connected to the discharge bin (21), and the suction pipe (3) is provided with an air inlet; A return air duct (4), one end of which is connected to the top wall of the discharge bin (21), and the other end of which is connected to a negative pressure unit (5), the negative pressure unit (5) being used to extract gas from the inner cavity of the return air duct (4), and the negative pressure unit (5) being arranged on the mounting frame (2).

2. The feeding device according to claim 1, characterized in that: The suction pipe (3) is connected to a filter screen (31), and the filter screen (31) is arranged at the air inlet.

3. The feeding device according to claim 2, characterized in that: The filter screen (31) is threadedly connected with a fastening bolt, and the outside of the filter screen (31) is movably connected with an air inlet adjustment plate (33), and the fastening bolt is arranged through the air inlet adjustment plate (33).

4. The feeding device according to claim 1, characterized in that: An anti-tilt block (6) is connected to the mounting frame (2).

5. The feeding device according to claim 1, characterized in that: The operating lever (23) comprises a rotating part (231) and a counterweight part (232) which are integrally connected and vertically arranged, the rotating part (231) passes through the discharge bin (21) and is connected to the blocking plate (22), the counterweight part (232) is connected to a counterweight block (7), and the counterweight block (7) is used to keep the blocking plate (22) in a state of blocking the bottom wall opening of the discharge bin (21).

6. The feeding device according to claim 5, characterized in that: The counterweight block (7) is threadedly connected to the counterweight portion (232), and the distance between the counterweight block (7) and the rotation axis of the sealing plate (22) changes after the counterweight block (7) rotates.

7. The feeding device according to claim 1, characterized in that: The feed bin (1) and the mounting frame (2) are both connected to a plurality of moving wheels (8).

8. The feeding device according to claim 7, characterized in that: The feed bin (1) is connected to a push-pull handle (9) having a gripping portion.

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