Automatic powder suction machine convenient to clean

Abstract

The utility model relates to the technical field of automatic powder suction machines, in particular to an automatic powder suction machine convenient to clean, which comprises a filter screen arranged in a powder suction machine body, a vibration cleaning mechanism is arranged on the filter screen, and a discharging mechanism is arranged in the powder suction machine body. The fan runs to generate suction force, pull the filter screen to move upwards and push the magnetic sliding rod to slide upwards until the two electric contacts are in contact and send out an electric signal to electrify the electromagnet, so that repulsive force is generated between the electromagnet and the magnetic sliding rod to push the filter screen to move downwards, and the operation is cyclically repeated, so that the filter screen is driven to vibrate up and down, powder is vibrated off, and the filter screen is prevented from being blocked; through rotation of a rotating shaft, a threaded sliding sleeve is driven to rotate on threads of a lead screw, guide rods at the two ends of a bearing sleeve are driven to slide downwards along sliding grooves, and therefore annular scraping plates at the bottoms of the guide rods are driven to slide downwards to scrape off powder attached to the inner walls; the problem that powder blocks adhere to the inner wall and are difficult to clean is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic powder suction machine technical field especially, it relates to a kind of automatic powder suction machines of easy cleaning. BACKGROUND

[0002] In today's industrial production and many practical application scenarios, such as chemical industry, food processing, pharmaceutical, plastic manufacturing and other industries, it is often necessary to handle and transport powdery materials, and automatic powder suction machines have emerged and been widely used.

[0003] After long-term use of traditional powder suction equipment, powder is easy to accumulate on the inner wall of the powder suction machine and the filter screen. The accumulation of too much powder on the filter screen can cause the filter hole to be blocked, increase the ventilation resistance, and weaken the suction force of the powder suction machine, thereby reducing the speed and effect of powder suction. Moreover, it can also cause damage to the filter and shorten its service life. If some powder with certain humidity is transported, it is more likely to adhere to the inner wall of the powder suction machine and form clumps, which is not conducive to the cleaning and maintenance of the equipment. If it cannot be cleaned thoroughly in time, it can also cause serious problems such as cross-contamination of powder in the food field. SUMMARY

[0004] To solve the technical problems of the prior art that powder is easy to accumulate on the inner wall of the powder suction machine and the filter screen, affecting the powder suction effect and causing cross-contamination between powders, the utility model provides an automatic powder suction machine that is easy to clean, which achieves the purpose of cleaning the powder on the inner wall of the powder suction machine and the filter screen.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: an automatic powder suction machine that is easy to clean, comprising a filter screen installed inside the powder suction machine body, a vibration cleaning mechanism for vibrating and cleaning the powder adsorbed on the filter screen, and a discharge mechanism for assisting the discharge of powder.

[0006] The vibration cleaning mechanism comprises a plurality of sliding sleeves installed in an array inside the powder suction machine body, and an electromagnet installed on the top wall of the sliding sleeve. A tension spring is installed at the bottom of the electromagnet, and a magnetic slide rod slidingly connected to the inner wall of the sliding sleeve is installed at the bottom of the tension spring. The bottom of the magnetic slide rod is connected to the filter screen, and electric contacts are symmetrically installed at the top of the magnetic slide rod and the bottom of the electromagnet. The powder suction machine body further comprises an inner wall cleaning assembly for cleaning the powder adhered to the inner wall of the powder suction machine body.

[0007] Further improvement lies in that the inner wall cleaning assembly comprises a power box mounted in the interior of the suction powder machine body through a connecting rod, a rotating shaft is connected to the motor output in the power box, a screw rod thread is formed in the middle of the rotating shaft, a threaded sleeve is threadedly connected to the screw rod thread, a bearing sleeve is mounted on the outer side of the threaded sleeve, guide rods are mounted at both ends of the bearing sleeve and slide up and down in the sliding grooves formed in the inner wall of the suction powder machine body, and an annular scraper is mounted at the bottom of the guide rod and is in close contact with the inner wall of the suction powder machine body.

[0008] Further improvement lies in that the rotating shaft is located in the through hole formed in the center of the filter screen, and limit blocks are mounted at both ends of the screw rod thread on the rotating shaft.

[0009] Further improvement lies in that the discharging mechanism comprises a screen mounted at the bottom of the interior of the suction powder machine body, a through hole with the same diameter as the rotating shaft is formed in the screen, a plurality of spaced apart stirring plates are annularly mounted on the rotating shaft and are in close contact with the upper surface of the screen, and a discharging auger is mounted at the bottom of the rotating shaft.

[0010] Further improvement lies in that a fan is mounted at the top of the suction powder machine body, an air exhaust pipe is mounted at one side of the top of the suction powder machine body, a material suction pipe is mounted on the suction powder machine body, the bottom of the suction powder machine body is a material storage hopper, a discharging pipe is mounted at the bottom of the material storage hopper, and an electric sealing valve is mounted on the discharging pipe.

[0011] Further improvement lies in that an external thread is formed in the outer surface of the material suction pipe to facilitate connection with an external hose, and the material storage hopper has a conical structure.

[0012] By the above technical scheme, the automatic suction powder machine convenient to clean has at least the following beneficial effects:

[0013] 1. The fan generates suction force to pull the filter screen upward and push the magnetic slide rod upward until the two electrical contacts contact and emit an electrical signal, the electromagnet is electrified, repulsion is generated between the magnetic slide rod and the electromagnet, the filter screen is pushed downward, the above operation is repeated, the filter screen is driven to vibrate up and down, the powder at the bottom of the filter screen is shaken off, powder blockage in the filter screen is avoided, ventilation resistance is reduced, and the speed and effect of powder suction are improved.

[0014] 2. The rotating shaft rotates to drive the threaded sleeve to rotate on the screw rod thread, drive the guide rods at both ends of the bearing sleeve to slide downward along the sliding grooves, and drive the annular scraper at the bottom of the guide rod to slide downward to scrape off the powder adhered to the inner wall, so that the powder blockage adhered to the inner wall is avoided.

[0015] 3, the utility model discloses with the rotation of the rotating shaft, drive the rotation of the poking plate and the powder on the screen is stirred, make it realize the screening of impurity through the screen, and to avoid the powder accumulation gathers and blocks the discharge pipe, the rotation of the rotating shaft drives the rotation of the discharging auger, and the powder is sent to the discharge pipe inside and is discharged. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and serve to explain the principles of the application, and do not limit the application.

[0017] In the drawings:

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the internal structure schematic diagram of the powder suction machine body of the utility model;

[0020] Figure 3 It is the utility model Figure 2 The sectional view enlarged structure schematic diagram of A place in;

[0021] Figure 4 It is the independent structure schematic diagram of the inner wall cleaning assembly and the discharging mechanism of the utility model.

[0022] In the drawings: 1, powder suction machine body;2, filter screen;

[0023] 3, vibration cleaning mechanism;31, sliding sleeve;32, electromagnet;33, tension spring;34, magnetic slide rod;35, electric contact;

[0024] 36, inner wall cleaning assembly;361, power box;362, rotating shaft;363, threaded sliding sleeve;364, bearing sleeve;365, guide rod;366, annular scraper;367, limit block;

[0025] 4, discharging mechanism;41, screen;42, poking plate;43, discharging auger;

[0026] 51, fan;52, exhaust pipe;53, suction pipe;54, storage hopper;55, discharge pipe;56, electric sealing valve. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0028] Embodiment 1

[0029] In view of the fact that the powder of the prior art is prone to accumulate on the inner wall and filter screen of the powder suction machine, affecting the powder suction effect and causing cross contamination among the powder, the embodiment provides an automatic powder suction machine convenient to clean. Please refer to Figures 1-4 The embodiment provides an automatic powder suction machine convenient to clean, which can clean the powder on the inner wall and filter screen of the powder suction machine. The automatic powder suction machine convenient to clean comprises a filter screen 2 installed in the inner part of a powder suction machine body 1, a vibration cleaning mechanism 3 arranged on the filter screen 2 and used for vibration cleaning of the powder adsorbed on the filter screen 2, and a discharging mechanism 4 arranged in the powder suction machine body 1 and used for assisting the powder to be discharged. The vibration cleaning mechanism 3 is used for vibration falling of the powder adsorbed on the filter screen 2, so as to avoid the powder from blocking the filter screen 2 and causing the ventilation resistance to increase and the powder suction speed and effect to decrease. The inner wall cleaning assembly 36 is used for scraping the powder adsorbed on the inner wall of the powder suction machine body 1. The discharging mechanism 4 is used for screening and pushing the powder to fall and be discharged.

[0030] Since the powder of the prior art is prone to accumulate on the inner wall and filter screen of the powder suction machine, affecting the powder suction effect and causing cross contamination among the powder, the device is provided with the vibration cleaning mechanism 3. The vibration cleaning mechanism 3 comprises a plurality of sliding sleeves 31 arrayed and installed in the powder suction machine body 1. The top wall of the sliding sleeve 31 is provided with an electromagnet 32. The bottom of the electromagnet 32 is provided with a tension spring 33. The bottom of the tension spring 33 is provided with a magnetic slide rod 34 which is connected to the inner wall of the sliding sleeve 31 in a sliding mode. The bottom of the magnetic slide rod 34 is connected to the filter screen 2. The top of the magnetic slide rod 34 and the bottom of the electromagnet 32 are symmetrically provided with an electric contact 35. The powder suction machine body 1 is further provided with the inner wall cleaning assembly 36 which is used for cleaning the powder adsorbed on the inner wall of the powder suction machine body 1. When the fan 51 operates to generate suction, the filter screen 2 is pulled to move upward, so as to push the magnetic slide rod 34 to slide upward along the inner wall of the sliding sleeve 31 and press the tension spring 33. Until the electric contact 35 at the top of the magnetic slide rod 34 and the electric contact 35 at the bottom of the electromagnet 32 are in contact and emit an electric signal. At this time, the electromagnet 32 is electrified, so as to generate a repulsive force between the electromagnet 32 and the magnetic slide rod 34, pushing the filter screen 2 to move downward. The above operation is repeated, so as to drive the filter screen 2 to vibrate upward and downward, and vibrate the powder at the bottom of the filter screen 2 to fall, so as to avoid the powder from blocking the filter screen 2, causing the ventilation resistance to increase and the powder suction speed and effect to decrease.

[0031] The device is also provided with an inner wall cleaning assembly 36. The inner wall cleaning assembly 36 comprises a power box 361 mounted inside the suction powder machine body 1 through a connecting rod. A rotating shaft 362 is connected to the output end of the motor in the power box 361. A screw thread is formed in the middle part of the rotating shaft 362. A threaded sleeve 363 is threadedly connected to the screw thread. A bearing sleeve 364 is mounted on the outer side of the threaded sleeve 363. Guide rods 365 are mounted at both ends of the bearing sleeve 364 and slide up and down in the sliding grooves formed in the inner wall of the suction powder machine body 1. An annular scraper 366 is mounted at the bottom of the guide rod 365 and is in close contact with the inner wall of the suction powder machine body 1. The motor in the power box 361 is started to drive the rotating shaft 362 to rotate, thereby driving the threaded sleeve 363 to rotate on the screw thread formed in the middle part of the rotating shaft 362 and driving the guide rods 365 at both ends of the bearing sleeve 364 to slide downward along the sliding grooves formed in the inner wall of the suction powder machine body 1, thereby driving the annular scraper 366 at the bottom of the guide rod 365 to slide downward along the inner wall of the suction powder machine body 1 to scrape off the powder adhered to the inner wall of the suction powder machine body 1, avoiding the powder from adhering to the inner wall of the suction powder machine body 1.

[0032] The rotating shaft 362 is located in the through hole formed in the center of the filter screen 2. Limiting blocks 367 are mounted at both ends of the screw thread on the rotating shaft 362. The limiting blocks 367 are arranged to prevent the threaded sleeve 363 from sliding upward and downward excessively and disengaging from the screw thread formed in the rotating shaft 362, thereby affecting the scraping and cleaning of the powder on the inner wall of the suction powder machine body 1.

[0033] A fan 51 is mounted on the top of the suction powder machine body 1. An exhaust pipe 52 is mounted on one side of the top of the suction powder machine body 1. A suction pipe 53 is mounted on the suction powder machine body 1. A storage hopper 54 is arranged at the bottom of the suction powder machine body 1. A discharge pipe 55 is mounted at the bottom of the storage hopper 54. An electric sealing valve 56 is mounted on the discharge pipe 55. The powder is sucked into the suction powder machine body 1 through the suction pipe 53 by the negative pressure generated by the fan 51. The powder accumulated in the storage hopper 54 can be discharged by periodically opening the electric sealing valve 56 on the discharge pipe 55.

[0034] An external thread is formed on the outer surface of the suction pipe 53 to facilitate the connection with an external hose. The storage hopper 54 has a conical structure, which facilitates the discharge of the powder.

[0035] Example 2

[0036] On the basis of example 1, such as Figures 1-4As shown, after the powder is sucked into the inside of the suction powder machine body 1, it needs to be accumulated in the inside first, and then uniformly discharged, but when encountering powder with certain humidity, the powder may be accumulated and gathered under the action of gravity, causing the discharge pipe 55 to be blocked, and the large particle impurities in the powder also need to be screened and filtered, therefore the device is also provided with a discharging mechanism 4, the discharging mechanism 4 includes a screen 41 installed at the bottom inside the suction powder machine body 1, and the screen 41 is provided with through holes with the same diameter as the rotating shaft 362, the rotating shaft 362 is annularly and equidistantly installed with a material stirring plate 42 abutting the upper surface of the screen 41, and the bottom of the rotating shaft 362 is installed with a discharging auger 43, the powder sucked into the inside of the suction powder machine body 1 passes through the screen 41, and the large particle impurities in the powder are intercepted by the screen 41, so as to realize the screening of the powder, and in order to avoid the powder with certain humidity from being accumulated on the screen 41, the rotating shaft 362 is rotated to drive the material stirring plate 42 to rotate and stir the powder on the screen 41, so that it falls through the screening holes on the screen 41 and falls into the storage hopper 54, and in order to avoid the powder from being accumulated and gathered to block the discharge pipe 55, the rotating shaft 362 is rotated to drive the discharging auger 43 to rotate, so as to feed the powder into the inside of the discharge pipe 55 and discharge it.

[0037] It should be noted that in this document, the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusions, such that processes, methods, articles, or devices that comprise a list of elements do not only include those elements, but also other elements not explicitly listed, or other elements inherent to such processes, methods, articles, or devices.

[0038] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An easy-to-clean automatic powder suction machine, comprising a filter screen (2) installed inside the powder suction machine body (1), characterized in that: The filter screen (2) is provided with a vibration cleaning mechanism (3) for vibrating and cleaning the powder adsorbed on it, and the powder suction machine body (1) is provided with a feeding mechanism (4) to assist in the discharge of powder. The vibration cleaning mechanism (3) includes multiple sliding sleeves (31) arrayed inside the powder suction machine body (1), and an electromagnet (32) is installed on the top wall of the sliding sleeve (31). A tension spring (33) is installed at the bottom of the electromagnet (32), and a magnetic slide rod (34) is installed at the bottom of the tension spring (33) and is slidably connected to the inner wall of the sliding sleeve (31). The bottom of the magnetic slide rod (34) is connected to the filter screen (2), and electrical contacts (35) are symmetrically installed on the top of the magnetic slide rod (34) and the bottom of the electromagnet (32). The powder suction machine body (1) is also provided with an inner wall cleaning component (36) for cleaning the powder adhering to the inner wall of the powder suction machine body (1).

2. The automatic powder suction machine for easy cleaning according to claim 1, characterized in that: The inner wall cleaning component (36) includes a power box (361) installed inside the powder suction machine body (1) via a connecting rod, and the motor output end inside the power box (361) is connected to a rotating shaft (362). The rotating shaft (362) has a lead screw thread in the middle, and a threaded sleeve (363) is threadedly connected to the lead screw thread. A bearing sleeve (364) is installed on the outside of the threaded sleeve (363), and guide rods (365) are installed at both ends of the bearing sleeve (364) and are slidably connected to the grooves opened in the inner wall of the powder suction machine body (1). An annular scraper (366) that fits against the inner wall of the powder suction machine body (1) is installed at the bottom of the guide rod (365).

3. The automatic powder suction machine for easy cleaning according to claim 2, characterized in that: The rotating shaft (362) is located in the through hole opened through the center of the filter screen (2), and limit blocks (367) are respectively installed at both ends of the screw thread on the rotating shaft (362).

4. The automatic powder suction machine that is easy to clean according to claim 2, characterized in that: The feeding mechanism (4) includes a screen (41) installed at the bottom of the inside of the powder suction machine body (1), and the screen (41) has through holes with the same diameter as the rotating shaft (362). The rotating shaft (362) is equipped with a feeding plate (42) that is attached to the upper surface of the screen (41) in a ring at equal intervals. The bottom of the rotating shaft (362) is equipped with a feeding auger (43).

5. The automatic powder suction machine for easy cleaning according to claim 1, characterized in that: A fan (51) is installed on the top of the powder suction machine body (1), and an exhaust pipe (52) is installed on one side of the top of the powder suction machine body (1). A suction pipe (53) is installed on the powder suction machine body (1). A storage hopper (54) is located at the bottom of the powder suction machine body (1). A discharge pipe (55) is installed at the bottom of the storage hopper (54), and an electric sealing valve (56) is installed on the discharge pipe (55).

6. The automatic powder suction machine for easy cleaning according to claim 5, characterized in that: The outer surface of the suction pipe (53) is provided with an external thread to facilitate connection with an external hose, and the storage hopper (54) has a conical structure.

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