Automatic batching device for powder coating

Abstract

The utility model discloses an automatic batching device for powder coating, which comprises a plurality of material containing hoppers arranged side by side, a material receiving barrel is arranged below the material containing hoppers, the material receiving barrel moves along the placing direction of the material containing hoppers and can be aligned with the bottom of any material containing hopper, and fourth magnets are movably assembled at the bottoms of the material containing hoppers. A plurality of second magnets are arranged on the inner wall of the containing hopper, first magnets with the same number are correspondingly arranged on the outer wall of the containing hopper to attract the second magnets, movable rings are fixedly connected outside the first magnets in a sleeved mode, supports are arranged on the second magnets, and third magnets are installed at the ends of the supports. The upper surface of the third magnet and the lower surface of the fourth magnet have the same magnetic pole. According to the principle that like poles of the third magnet and the fourth magnet in the containing hopper repel each other, the fourth magnet in the containing hopper is ejected open to achieve discharging, and according to different distances between the third magnet and the fourth magnet, the size of a gap between the fourth magnet and a discharging pipe in the containing hopper is controlled to achieve the effect of accurate discharging.

Description

Technical Field

[0001] The utility model belongs to the field of batching, in particular to an automatic batching device for powder coatings. Background Art

[0002] Raw material mixing is the main process in powder coating production. Generally, the raw materials are weighed according to the proportion and placed in a stirring device for mixing.

[0003] A Chinese patent discloses an automatic mixing device for powder coating production and its use method (CN115055073A), wherein various raw materials are added into a raw material storage tank accordingly, and a solenoid valve 1 on a feeding port of a metering barrel is opened through a control panel. After a certain period of time, when the metering barrel is filled with raw materials, the solenoid valve 1 is closed through the control panel, and a solenoid valve 2 is opened through the control panel. Then, the control panel starts an electric cylinder, and the extended end of the electric cylinder extends a certain distance, so that a feed pipe extends into a feed pipe, and a solenoid valve 1 and a vibration motor on a discharge pipe of the metering barrel are opened through the control panel, and the raw materials in the metering barrel enter into a mixing tank through the feed pipe and the feed pipe. After a certain period of time, the metering barrel is filled with raw materials. After all the raw materials in the barrel are added into the mixing tank, the solenoid valve 1 and the vibration motor are closed through the control panel, and the electric cylinder is started through the control panel, the extended end of the electric cylinder retracts to the original position, the feed pipe and the feeding pipe are disengaged, and the solenoid valve 2 is closed through the control panel. Through the setting of the device, during the mixing process of the powder coating, the stirring rod and the stirring blades in the mixing mechanism can stir and mix the powder coating mixture, and the stirring blades can turn the powder coating at the bottom upwards to make the mixing more uniform, thereby improving the processing quality of the powder coating; through the setting of the batching mechanism, the ingredients can be automatically batched according to the proportion without manual weighing, with a high degree of automation, saving time and effort.

[0004] In the prior art, automatic powder batching mostly utilizes solenoid valves, which consume a large amount of electricity when in use. Therefore, the efficiency of the solenoid valves is relatively low, which will lead to waste and increased costs for solenoid valves that need to work continuously. At the same time, the solenoid valves have certain requirements for voltage and current. If they do not match, the solenoid valves will not work properly. Utility Model Content

[0005] To solve the above problems, the utility model adopts the following technical solutions.

[0006] An automatic dosing device for powder coating comprises a hopper, wherein a plurality of hoppers are arranged side by side, a receiving barrel is arranged below the hopper, and the receiving barrel can be moved along the placement direction of the hopper to align with the bottom of any hopper, a fourth magnet is movably mounted on the bottom of the hopper, a plurality of second magnets are arranged on the inner wall of the hopper, and an equal number of first magnets are arranged on the corresponding outer wall of the hopper to adsorb the second magnets, a movable ring is fixedly sleeved outside the first magnet, a bracket is arranged on the second magnet, and a third magnet is installed at the end of the bracket, and the magnetic poles on the upper surface of the third magnet are the same as the magnetic poles on the lower surface of the fourth magnet; the movable ring is controlled to drive the first magnet to rise and fall on the hopper, and the first magnet drives the second magnet to move synchronously by magnetic attraction, and the bracket installed on the second magnet changes the distance between the third magnet and the fourth magnet, and the third magnet uses like repulsion to lift the fourth magnet, so that the powder in the hopper leaks out.

[0007] A discharge pipe connected to the interior is provided at the bottom of the hopper, and the inner diameter of the discharge pipe is smaller than the diameter of the bottom end of the hopper. The fourth magnet is hemispherical, and the bottom of the fourth magnet fits on the end of the discharge pipe.

[0008] A leakage hole is opened inwardly along the end of the discharge pipe, and a through hole is provided inside the discharge pipe to communicate with the leakage hole. A pair of limit rods are also connected to the end of the discharge pipe, and the fourth magnet is movably sleeved on the limit rods.

[0009] A rack is fixedly connected to the outer wall of the movable ring, and the length of the rack is not shorter than the height of the material receiving barrel. A connecting frame is fixed to the lower end of the outer surface of the material receiving barrel, and a gear roller is connected to the connecting frame via a rotating shaft. A motor is provided on one side of the connecting frame, and the motor driving end is connected to the gear roller.

[0010] A plurality of slide rails are arranged at equal intervals on the surface of the receiving barrel, a sliding block is arranged at the position of the inner wall of the movable ring diverging from the first magnet, and the movable ring is slidably connected with the slide rails by the sliding block.

[0011] The inner diameter of the material receiving barrel is larger than the outer diameter of the material containing hopper, and the upper surface of the material receiving barrel and the lower surface of the material containing hopper are on the same plane, and an infrared laser aligner is externally connected to the material receiving barrel and the material containing hopper.

[0012] The material hopper is fixedly suspended above the material receiving barrel.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The present application mainly utilizes the principle of like-charged magnets repelling each other to perform automatic batching. It has a simple structure, low manufacturing cost and strong applicability. The raw materials are placed in a hopper, and different raw materials are placed in different hoppers. A receiving barrel is provided below the hopper, and the receiving barrel can be connected to other mechanisms such as a stirring and mixing mechanism as its feeding end. When the receiving barrel moves below the hopper, if the raw materials inside the hopper are needed, the motor on the receiving barrel drives the gear roller to drive the rack to rise. During the rising process, the rack drives the movable ring to further rise. The first magnet provided on the inner wall of the movable ring attracts the second magnet on the inner wall of the hopper and rises synchronously. The third magnet connected to the second magnet through a bracket will extend into the hopper. The fourth magnet in the hopper is pushed open by utilizing the principle of like-charged magnets repelling each other, thereby realizing material discharge. According to the different distances between the third magnet and the fourth magnet, the size of the gap between the fourth magnet and the discharge pipe in the hopper is controlled to achieve the effect of precise material discharge.

[0015] (2) In order to ensure that the fourth magnet can seal the hopper, the end of the discharge pipe will have a certain thickness for the fourth magnet to fit. In order to prevent the raw materials from accumulating on the port of the discharge pipe, a leakage hole is opened downward on the discharge pipe. The raw materials accumulated at the end of the discharge pipe enter the discharge pipe through the leakage hole. The through hole arranged on the inner wall of the discharge pipe is connected to the leakage hole. The raw materials entering the leakage hole leak out from the through hole. A limit rod is provided at the end of the discharge pipe to ensure the stability of the fourth magnet. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a partial enlarged view of the batching device and its driving components.

[0017] Figure 2 This is a half-section diagram of the batching device.

[0018] Figure 3 This is a schematic diagram of the working of the magnet in the batching device.

[0019] Figure 4 This is a schematic diagram of the exposed discharge pipe in the batching device.

[0020] Figure 5 This is a half-section view of the hopper.

[0021] Figure 6 This is the structural diagram of the receiving barrel.

[0022] The corresponding relationship between the various figure labels and component names in the figure is as follows:

[0023] 100, receiving barrel; 100a, slide rail; 100b, connecting frame; 100c, gear roller; 100c-1, motor; 101, movable ring; 101a, first magnet; 101b, rack; 102, second magnet; 102a, bracket; 102b, third magnet; 200, material hopper; 200a, discharge pipe; 200b, leakage hole; 201, limit rod; 201a, fourth magnet. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments. The present invention provides the following embodiments.

[0027] See also Figure 1-4, an automatic dosing device for powder coating, including a hopper 200, a plurality of hoppers 200 are arranged side by side, the hoppers 200 are used to put powder coating, a receiving barrel 100 is arranged below the hopper 200, the receiving barrel 100 can be aligned with the bottom of any hopper 200 by moving along the placement direction of the hopper 200, the receiving barrel 100 can be connected with other mechanisms such as stirring and mixing as its feeding end, a fourth magnet 201a is movably mounted at the bottom of the hopper 200, a plurality of second magnets 102 are arranged on the inner wall of the hopper 200, and an equal number of first magnets 101a are arranged on the outer wall of the corresponding hopper 200 to adsorb the second magnets 102, and the first magnets 101a are arranged on the outer wall of the corresponding hopper 200 to adsorb the second magnets 102. 01a is fixedly sleeved with a movable ring 101, and a bracket 102a is provided on the second magnet 102, and a third magnet 102b is installed on the end of the bracket 102a, and the magnetic poles on the upper surface of the third magnet 102b are the same as the magnetic poles on the lower surface of the fourth magnet 201a; the movable ring 101 is manipulated to drive the first magnet 101a to rise and fall on the hopper 200, and the first magnet 101a drives the second magnet 102 to move synchronously by magnetic attraction, and the bracket 102a installed on the second magnet 102 changes the distance between the third magnet 102b and the fourth magnet 201a, and the third magnet 102b uses the repulsion of like charges to lift the fourth magnet 201a, and the powder in the hopper 200 leaks out.

[0028] exist Figure 2-4 In the embodiment, a discharge pipe 200a connected to the interior is provided at the bottom of the hopper 200, and the fourth magnet 201a is hemispherical, and the bottom of the fourth magnet 201a is attached to the end of the discharge pipe 200a. In order to ensure that the fourth magnet 201a can seal the hopper 200, the inner diameter of the discharge pipe 200a is smaller than the diameter of the bottom end of the hopper 200, so that the end of the discharge pipe 200a has a certain thickness for the fourth magnet 201a to attach. In order to prevent the raw materials from accumulating on the port of the discharge pipe 200a, A leakage hole 200b is opened downward on 200a, and the raw materials accumulated at the end of the discharge pipe 200a enter the inside of the discharge pipe 200a through the leakage hole 200b. The through hole set on the inner wall of the discharge pipe 200a is connected to the leakage hole 200b, and the raw materials entering the leakage hole 200b leak out from the through hole. A pair of limiting rods 201 are also connected to the end of the discharge pipe 200a, and the fourth magnet 201a is movably sleeved on the limiting rod 201. The limiting rod 201 is provided at the end of the discharge pipe 200a to ensure the stability of the fourth magnet 201a.

[0029] exist Figure 1 , Figure 2 as well as Figure 6In order to accurately adjust the discharging, the lifting and lowering of the movable ring 101 needs to be fine-tuned and a mechanism with a high degree of control can be performed. Therefore, a rack 101b is fixedly connected to the outer wall of the movable ring 101, and the length of the rack 101b is not shorter than the height of the material receiving barrel 100. A connecting frame 100b is fixed to the lower end of the outer surface of the material receiving barrel 100, and a gear roller 100c is connected to the connecting frame 100b by a rotating shaft. A motor 100c-1 is provided on one side of the connecting frame 100b, and the driving end of the motor 100c-1 is connected to the gear roller 100c. The motor 100c-1 on the material receiving barrel 100 drives the gear roller 100c to drive the rack 101b to rise. During the rising process, the rack 101b drives the movable ring 101 to further rise, and the first magnet 101a arranged on the inner wall of the movable ring 101 adsorbs the second magnet 100 on the inner wall of the material hopper. 2 rises synchronously, and the third magnet 102b connected to the second magnet 102 through the bracket 102a will extend into the hopper 200. The fourth magnet 201a in the hopper 200 is pushed open by the principle of like-charge repulsion between the third magnet 102b and the fourth magnet 201a in the hopper 200, thereby realizing material discharge. According to the different distances between the third magnet 102b and the fourth magnet 201a, the size of the gap between the fourth magnet 201a and the discharge pipe 200a in the hopper 200 is controlled to achieve the effect of accurate material discharge. Further, in order to make the sliding of the movable ring 101 on the surface of the receiving barrel 100 more stable, a plurality of slide rails 100a are equidistantly provided on the surface of the receiving barrel 100, and a slider is provided on the inner wall of the movable ring 101 where it diverges from the first magnet 101a, and the movable ring 101 is slidably connected to the slide rail 100a by the slider.

[0030] exist Figure 1 In the embodiment, the inner diameter of the receiving barrel 100 is larger than the outer diameter of the material hopper 200, and the upper surface of the receiving barrel 100 and the lower surface of the material hopper 200 are on the same plane, so that the space between the two is small, which is beneficial to prevent the powder from forming dust. An external infrared laser aligner is connected to the receiving barrel 100 and the material hopper 200 to achieve accurate material receiving; the bottom of the receiving barrel 100 is connected to other equipment in the powder coating batching device for raw material transportation, and the material hopper 200 is fixedly suspended above the receiving barrel 100.

[0031] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. An automatic batching device for powder coating, comprising a hopper (200), wherein a plurality of hoppers (200) are arranged side by side, and a receiving barrel (100) is arranged below the hopper (200). The receiving barrel (100) can be moved along the placement direction of the hopper (200) and can be aligned with the bottom of any hopper (200). Features: A fourth magnet (201a) is movably mounted at the bottom of the material hopper (200), a plurality of second magnets (102) are arranged on the inner wall of the material hopper (200), an equal number of first magnets (101a) are arranged on the corresponding outer wall of the material hopper (200) to adsorb the second magnets (102), a movable ring (101) is fixedly sleeved outside the first magnet (101a), a bracket (102a) is arranged on the second magnet (102), a third magnet (102b) is mounted on the end of the bracket (102a), and the magnetic poles on the upper surface of the third magnet (102b) are the same as the magnetic poles on the lower surface of the fourth magnet (201a); The movable ring (101) is manipulated to drive the first magnet (101a) to rise and fall on the material hopper (200). The first magnet (101a) drives the second magnet (102) to move synchronously by magnetic attraction. The bracket (102a) installed on the second magnet (102) changes the distance between the third magnet (102b) and the fourth magnet (201a). The third magnet (102b) uses like repulsion to push up the fourth magnet (201a), so that the powder in the material hopper (200) leaks out.

2. The automatic dosing device for powder coating according to claim 1, Features: A discharge pipe (200a) communicating with the interior is provided at the bottom of the hopper (200), the inner diameter of the discharge pipe (200a) being smaller than the diameter of the bottom end of the hopper (200), the fourth magnet (201a) being hemispherical, the bottom of the fourth magnet (201a) being fitted onto the end of the discharge pipe (200a).

3. The automatic dosing device for powder coating according to claim 2, Features: A material leakage hole (200b) is provided inwardly along the end of the discharge pipe (200a), and a through hole is provided inside the discharge pipe (200a) to communicate with the material leakage hole (200b). A pair of limiting rods (201) are also connected to the end of the discharge pipe (200a), and the fourth magnet (201a) is movably sleeved on the limiting rods (201).

4. The automatic dosing device for powder coating according to claim 1, Features: A rack (101b) is fixedly connected to the outer wall of the movable ring (101), and the length of the rack (101b) is not shorter than the height of the material receiving barrel (100). A connecting frame (100b) is fixed to the lower end of the outer surface of the material receiving barrel (100), and a gear roller (100c) is connected to the connecting frame (100b) via a rotating shaft. A motor (100c-1) is provided on one side of the connecting frame (100b), and a driving end of the motor (100c-1) is connected to the gear roller (100c).

5. The automatic dosing device for powder coating according to claim 4, Features: A plurality of slide rails (100a) are equidistantly arranged on the surface of the receiving barrel (100), a slider is arranged on the inner wall of the movable ring (101) away from the first magnet (101a), and the movable ring (101) is slidably connected to the slide rails (100a) by means of the slider.

6. The automatic dosing device for powder coating according to claim 1, Features: The inner diameter of the material receiving barrel (100) is greater than the outer diameter of the material containing hopper (200), and the upper surface of the material receiving barrel (100) and the lower surface of the material containing hopper (200) are on the same plane. The material receiving barrel (100) and the material containing hopper (200) are externally connected with an infrared laser aligner.

7. The automatic dosing device for powder coating according to claim 6, Features: The material hopper (200) is fixedly suspended above the material receiving barrel (100).

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