Screw feeder of flat gate

Abstract

The utility model relates to the technical field of feeders, and particularly discloses a horizontal gate screw feeder which comprises a shell and a screw feeding mechanism, a feeding port and a discharging port are formed in the shell, and a horizontal gate assembly is installed at the discharging port. The spiral feeding mechanism comprises a spiral blade, and an edge removing mechanism used for removing materials embedded in the edge of the spiral blade is installed in the shell. The intercepting plate is arranged on the upper side of the spiral blade, the liftable intercepting rods are arranged on the two sides of the spiral blade, the intercepting rods can abut against the two sides of the spiral blade when falling down and work together with the intercepting plate, materials embedded in the edge of the spiral blade can be removed, the spiral blade operates more stably, noise is low, and the material conveying efficiency is improved. And the burden on the driving mechanism is small.

Description

Technical Field

[0001] The utility model belongs to the technical field of feeders, and in particular relates to a flat gate spiral feeder. Background Art

[0002] A feeder is a feeding machine in the general sense. It has different names because it is called differently in different places, but its essence and function are basically the same.

[0003] Screw feeder is a new generation product that integrates steady flow conveying, weighing metering and quantitative control of powder materials. It is suitable for continuous metering and batching of powder materials in various industrial production environments. It adopts a number of advanced technologies, has reliable operation and high control accuracy. It is especially suitable for continuous metering and batching of powder materials in industries such as building materials, metallurgy, electric power, and chemical industry.

[0004] In the Chinese patent with the announcement number CN 218706382 U, the weight of the equipment is reduced, the internal force and cost are reduced, and the strength of the equipment is not affected; the inner diameter and outer diameter of the spiral blade are increased as a whole, which is convenient for the bending processing of the blade; the spiral shaft is easy to replace and can also be used to transform old equipment;

[0005] However, the following problems may occur during the use of the device:

[0006] When the spiral blade is transporting materials, material particles are easily squeezed into the gap between it and the inner wall of the shell. These material particles rotate with the spiral blade, squeezing the inner wall of the shell and embedding deeper into the outer edge of the spiral blade. The material particles embedded in the outer surface of the spiral blade will rub against the inner wall of the shell, making a harsh noise. It will also increase the resistance of the spiral blade during operation, causing the driving mechanism of the spiral blade to be in a high-load state for a long time, making the driving mechanism easily damaged. Utility Model Content

[0007] The purpose of the utility model is to provide a flat gate screw feeder to solve the problems raised by the above background technology.

[0008] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions, including a housing, a spiral feeding mechanism, a feed port and a discharge port are arranged on the housing, and a flat gate assembly is installed at the discharge port;

[0009] The spiral feeding mechanism comprises a spiral blade, and an edge cleaning mechanism for cleaning the material embedded in the edge of the spiral blade is installed inside the shell.

[0010] Preferably, the edge clearing mechanism comprises an intercepting plate and two intercepting rods, the two ends of the intercepting plate are respectively fixedly mounted on the inner walls on both sides of the shell, and the lower end surface of the intercepting plate is in contact with the edge of the spiral blade.

[0011] Preferably, a first transverse groove is provided in the intercepting plate, and a movable frame is slidably installed in the first transverse groove.

[0012] Preferably, the movable frame includes two vertically placed movable plates, the two movable plates respectively fit the upper end surface of the intercepting plate and the upper end surface of the guide frame, the two movable plates are fixedly connected by a vertical plate, and the vertical plate is inserted into the second transverse groove in the guide frame.

[0013] Preferably, a lifting hole is provided at the position of the mobile frame corresponding to the intercepting rod, the intercepting rod is slidably connected to the lifting hole, the diameter of the intercepting rod is less than or equal to the size of the first transverse groove, and the top of the intercepting rod is detachably connected to the mounting plate.

[0014] Preferably, the mounting plate is connected to the lifting mechanism, the other end of the lifting mechanism is mounted on a slider, the slider is slidably connected to the slide groove, the slider is set in a T shape, the slider is connected to a reset spring, and the other end of the reset spring is connected to the inner wall of the shell.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model provides an interception plate on the upper side of the spiral blade, and simultaneously provides a liftable interception rod on both sides of the spiral blade. When the interception rod falls, it can abut against the positions on both sides of the spiral blade, and cooperates with the interception plate to remove the material embedded in the edge of the spiral blade. The spiral blade runs more smoothly, with less noise and less burden on its driving mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 It is a schematic diagram of the internal structure of the shell in the utility model.

[0019] Figure 3 This is one of the structural schematic diagrams of the edge cleaning mechanism in the utility model.

[0020] Figure 4 This is the second structural schematic diagram of the edge cleaning mechanism in the utility model.

[0021] In the figure: 1. Shell; 2. Feed inlet; 3. Flat gate assembly; 4. Screw feeding mechanism; 5. Edge cleaning mechanism; 501. Interceptor plate; 502. Interceptor rod; 503. Guide frame; 504. Moving frame; 505. Mounting plate; 506. Lifting mechanism; 507. Slider; 508. Return spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1 , a flat gate screw feeder, including a shell 1, a screw feeding mechanism 4, the shell 1 is provided with a feed port 2 and a discharge port, the gate is divided according to the manufacturing material. There are mainly wooden gates, wooden panel steel frame gates, cast iron gates, reinforced concrete gates and steel gates. It is divided according to the relative position of the gate top and the horizontal plane. There are mainly exposed gates and submerged gates. It is divided according to the nature of work. There are mainly working gates, emergency gates and maintenance gates. It is divided according to the gate opening and closing method. There are mainly gates opened and closed by mechanical operation and hydraulic automatic gates that control the opening and closing by the change of water pressure on the gate when the water level rises and falls. It is divided according to the different support forms of the gate leaves. It is mainly composed of fixed wheel supported gate, hinge supported gate, slide supported gate, sprocket gate, roller gate, round roller gate, etc.; This technical solution adopts a flat gate, specifically, a flat gate assembly 3 is installed at the discharge port, and the flat gate assembly 3 can block or leak out the discharge port to realize the opening and closing of the discharge port, such as Figure 1 As shown, the cylinder in the flat gate assembly 3 can drive the gate to move horizontally left and right, thereby opening and closing the discharge port;

[0024] In a further embodiment, the spiral feeding mechanism 4 includes a spiral blade, and the bottom of the spiral blade is as close as possible to the inner wall of the bottom of the internal channel of the shell 1, so that the material in the internal channel of the shell 1 can be completely pushed to the position of the discharge port. In the process of the spiral blade conveying the material, part of the material will be stuck on the edge of the spiral blade. As the spiral blade rotates, it is squeezed against the inner wall of the shell 1, causing the material to be embedded in the outer edge of the spiral blade. When the spiral blade rotates, the material embedded thereon will rub against the inner wall of the shell 1, generating quite harsh noise, resulting in uneven wear inside the shell 1. At the same time, the friction of the material will increase the burden of the driving mechanism that drives the spiral blade to rotate. The motor inside it runs at high resistance for a long time, which is easy to cause damage to the motor. Therefore, an edge cleaning mechanism 5 for cleaning the material embedded in the edge of the spiral blade is installed inside the shell 1;

[0025] Specifically, Figure 2-Figure 4As shown, the edge cleaning mechanism 5 includes an interception plate 501 and two interception rods 502. The two ends of the interception plate 501 are fixedly mounted on the inner walls on both sides of the shell 1. The lower end surface of the interception plate 501 fits with the edge of the spiral blade, and the side of the interception plate 501 close to the spiral blade is heat-treated to increase the hardness. This surface needs to have a certain contact with the spiral blade. In order to extend its service life, it is necessary to heat-treat the side that fits with it to increase its hardness and thus increase its wear resistance. As for the interception plate 501 fitting with the outer edge of the spiral blade, this is to avoid that the interval between the interception plate 501 and the outer edge of the spiral blade is too large, and the material is stuck in the interval between the two.

[0026] More specifically, a first transverse groove is provided in the intercepting plate 501, and a moving frame 504 is slidably installed in the first transverse groove. The moving frame 504 includes two vertically placed moving plates, and the two moving plates are respectively attached to the upper end surface of the intercepting plate 501 and the upper end surface of the guide frame 503. The two moving plates are fixedly connected by a vertical plate, and the vertical plate is inserted into the second transverse groove in the guide frame 503.

[0027] A lifting hole is provided at the position of the mobile frame 504 corresponding to the intercepting rod 502, and the intercepting rod 502 is slidably connected to the lifting hole. The diameter of the intercepting rod 502 is less than or equal to the size of the first transverse groove. The top of the intercepting rod 502 is detachably connected to the mounting plate 505, and the mounting plate 505 is connected to the lifting mechanism 506. The other end of the lifting mechanism 506 is installed on the slider 507. The lifting mechanism 506 is used to drive the mounting plate 505 and the intercepting rod 502 to move up and down. The two intercepting rods 502 are respectively located on both sides of the outer wall of the spiral blade, and can move up and down. When they are lowered to the position on the spiral blade, When the spiral blade is in the position on both sides, the rotation of the spiral blade will drive it to move, and cooperate with the interception plate 501 on the top, it can squeeze the material embedded in the spiral blade from it, so as to achieve the purpose of clearing the edge of the spiral blade. The interception rod 502 moves upward, and its height is higher than the height of the spiral blade. The rotation of the spiral blade will not drive it to move. The slider 507 is slidably connected to the slide groove. The slider 507 is set to a T shape to prevent it from falling during the sliding process. The slider 507 is connected to the reset spring 508, and the other end of the reset spring 508 is connected to the inner wall of the shell 1.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flat gate screw feeder, comprising a housing (1) and a screw feeding mechanism (4), characterized in that: The housing (1) is provided with a feed port (2) and a discharge port, and a flat gate assembly (3) is installed at the discharge port; The spiral feeding mechanism (4) comprises a spiral blade, and an edge cleaning mechanism (5) for cleaning materials embedded in the edge of the spiral blade is installed inside the housing (1).

2. A flat gate screw feeder according to claim 1, characterized in that: The edge cleaning mechanism (5) comprises an intercepting plate (501) and two intercepting rods (502). The two ends of the intercepting plate (501) are respectively fixedly mounted on the inner walls on both sides of the housing (1). The lower end surface of the intercepting plate (501) is in contact with the edge of the spiral blade.

3. A flat gate screw feeder according to claim 2, characterized in that: The intercepting plate (501) is provided with a first transverse groove, and a movable frame (504) is slidably mounted in the first transverse groove.

4. A flat gate screw feeder according to claim 3, characterized in that: The movable frame (504) comprises two vertically placed movable plates, the two movable plates respectively abutting against the upper end surface of the intercepting plate (501) and the upper end surface of the guide frame (503), the two movable plates being fixedly connected via a vertical plate, and the vertical plate being inserted into a second transverse groove in the guide frame (503).

5. A flat gate screw feeder according to claim 4, characterized in that: The movable frame (504) is provided with a lifting hole at a position corresponding to the intercepting rod (502), the intercepting rod (502) is slidably connected to the lifting hole, the diameter of the intercepting rod (502) is smaller than or equal to the size of the first transverse groove, and the top of the intercepting rod (502) is detachably connected to the mounting plate (505).

6. A flat gate screw feeder according to claim 5, characterized in that: The mounting plate (505) is connected to the lifting mechanism (506), the other end of the lifting mechanism (506) is mounted on a slider (507), the slider (507) is slidably connected to the slide groove, the slider (507) is arranged in a T shape, the slider (507) is connected to a return spring (508), and the other end of the return spring (508) is connected to the inner wall of the housing (1).

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