Pneumatic discharging door with flow adjusting function

Abstract

The utility model provides a pneumatic discharge door with a flow regulation function, which belongs to the technical field of discharge door equipment and comprises a discharge cylinder, the discharge cylinder is fixedly arranged at the bottom of a raw material bin, a discharge port is arranged on the upper portion of the discharge cylinder, a discharge port is arranged on the lower portion of the discharge cylinder, the discharge cylinder is communicated with an inner cavity of the raw material bin through the discharge port, and the discharge port is communicated with the inner cavity of the raw material bin. An arc-shaped door used for blocking the discharging port is rotationally arranged on the side wall of the discharging barrel, a driving mechanism used for driving the arc-shaped door to open or close the discharging port is connected to the arc-shaped door, an adjusting plate is arranged in an inner cavity of the discharging barrel, one end of the adjusting plate is rotationally connected with the side wall of the inner cavity of the discharging barrel, and the other end of the adjusting plate is connected with the discharging port. An adjusting mechanism used for adjusting rotation of the adjusting plate is arranged on the side, close to the side wall of the inner cavity of the discharging barrel, of the adjusting plate. According to the pneumatic discharging door, rotation of the adjusting plate is adjusted by adjusting screwing-in and screwing-out of the screw rod, namely the opening degree of the adjusting plate, and therefore the flow of materials is controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to a discharging door equipment technical field, concretely relates to a pneumatic discharging door with flow regulation function. BACKGROUND

[0002] In the plastic industry, material (plastic particles) is stored in the raw material bin, the bottom of the raw material bin is provided with a discharging door, the material flows to the bottom of the metering hopper and is dosed through the opening and closing of the discharging door, different materials are used in different amounts according to different proportions, in order to ensure the dosing accuracy, a suitable flow needs to be adjusted, the traditional discharging door does not have a flow adjustment function, and a large dosing deviation is easily caused. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at providing a pneumatic discharging door with flow regulation function to solve the problems in the above background.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] The utility model provides a pneumatic discharging door with flow regulation function, including the discharge cylinder, the discharge cylinder is fixedly arranged at the bottom of the raw material bin, the upper portion of the discharge cylinder is equipped with the discharge port, the lower portion of the discharge cylinder is equipped with the discharge port, the discharge cylinder is communicated with the raw material bin inner chamber through the discharge port, the side wall of the discharge cylinder is rotatably equipped with the arc-shaped door for plugging the discharge port, the arc-shaped door is connected with the driving mechanism for driving the arc-shaped door to open or close the discharge port, the discharge cylinder inner chamber is provided with the adjusting plate, one end of the adjusting plate is rotatably connected with the discharge cylinder inner chamber side wall, the side of the adjusting plate close to the discharge cylinder inner chamber side wall is equipped with the adjusting mechanism for adjusting the rotation of the adjusting plate.

[0006] Further, the driving mechanism includes a cylinder, the piston rod of the cylinder is rotatably connected with a connecting piece, one end of the connecting piece away from the cylinder is fixedly connected with the arc-shaped door.

[0007] Further, the adjusting mechanism includes an adjusting screw, one end of the adjusting screw is in contact with the adjusting plate, the part of the adjusting screw located outside the side wall of the discharge cylinder is provided with a fixed nut, a fixed seat and a locking nut, the fixed seat is located between the fixed nut and the locking nut, the fixed nut is located on one side of the fixed seat close to the side wall of the discharge cylinder, and the locking nut is located on one side of the fixed seat away from the side wall of the discharge cylinder.

[0008] Further, the arc-shaped door is rotatably arranged on the fixed seat.

[0009] Further, one side of the discharge cylinder is fixedly provided with a baffle.

[0010] Compared with the prior art, the utility model has the following technical effects:

[0011] In the embodiment, the rotation of the adjusting plate is adjusted by adjusting the screw rod to rotate in and rotate out, namely the opening degree of the adjusting plate, thereby the flow of the material is controlled, when the material usage is large, the opening degree of the adjusting plate is increased, the flow is increased, and the batching time is shortened, when the material usage is small, the opening degree of the adjusting plate is reduced, the flow is reduced, and the batching precision is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 The whole structure schematic of the pneumatic discharge door of the embodiment of the utility model Figure One ;

[0013] Figure 2 The whole structure schematic of the pneumatic discharge door of the embodiment of the utility model Figure Two ;

[0014] Figure 3 The whole structure schematic of the pneumatic discharge door of the embodiment of the utility model Figure Three ;

[0015] Figure 4 The schematic view of the pneumatic discharge door of the embodiment of the utility model in the open state;

[0016] Figure 5 The schematic view of the pneumatic discharge door of the embodiment of the utility model in the closed state;

[0017] Figure 6 The schematic view of the pneumatic discharge door of the embodiment of the utility model in the small flow state;

[0018] Figure 7 The schematic view of the pneumatic discharge door of the embodiment of the utility model in the large flow state.

[0019] In the drawing: 1, raw material bin, 2, discharge cylinder, 3, discharge port, 4, discharge port, 5, arc-shaped door, 51, arc-shaped baffle, 52, arc-shaped door plate, 6, driving mechanism, 61, air cylinder, 7, connecting piece, 8, adjusting plate, 9, adjusting mechanism, 91, adjusting screw rod, 92, fixed nut, 93, fixed seat, 94, locking nut, 10, hinge, 11, baffle. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than 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 protection scope of the utility model.

[0021] Referring to Figures 1 to 7 The embodiment provides a pneumatic discharge door with a flow regulating function, which comprises a discharge cylinder 2 fixedly arranged at the bottom of a raw material bin 1, and a material is placed in the raw material bin 1. An unloading port 3 is arranged at the upper portion of the discharge cylinder 2, and a discharge port 4 is arranged at the lower portion of the discharge cylinder 2, and the discharge cylinder 2 is connected with the inner cavity of the raw material bin 1 through the unloading port 3. An arc-shaped door 5 is rotatably arranged outside the side wall of the discharge cylinder 2, and the arc-shaped door 5 comprises two arc-shaped baffles 51 arranged in parallel and an arc-shaped door plate 52 arranged between the two arc-shaped baffles 51, and the arc-shaped door plate 52 is matched with the discharge port 4 at the lower portion of the discharge port 4, so that the arc-shaped door plate 52 is in contact with the discharge port 4 when the discharge port 4 is closed.

[0022] Specifically, the arc-shaped door 5 is connected with a driving mechanism 6, the output end of the driving mechanism 6 is connected with the arc-shaped door 5, and the driving mechanism 6 is used for driving the arc-shaped door 5 to rotate, so as to realize the opening and closing of the discharge port 4. The driving mechanism 6 comprises a cylinder 61, the cylinder 61 is fixedly installed on the support of the raw material bin 1, the distal end of the piston rod of the cylinder 61 is hinged to one end of a connecting piece 7, and the end, which is away from the cylinder 61, of the connecting piece 7 is fixedly connected with the side of the arc-shaped door plate 52, which is away from the inner cavity of the discharge cylinder 2. When the material needs to be discharged, the piston rod of the cylinder 61 drives the arc-shaped door 5 to rotate through the connecting piece 7, the discharge port 4 is opened, and the material flows from the inner cavity of the raw material bin 1 to the measuring hopper at the bottom of the raw material bin 1 through the discharge port 4; when the material does not need to be discharged, the piston rod of the cylinder 61 drives the arc-shaped door 5 to rotate back through the connecting piece 7, and the discharge port 4 is closed.

[0023] Specifically, two adjustment plates 8 are arranged in the inner cavity of the discharge cylinder 2, one end of each of the two adjustment plates 8 is rotatably connected with the side wall of the inner cavity of the discharge cylinder 2 through a hinge 10, and the two adjustment plates 8 can rotate around the respective connection positions in the inner cavity of the discharge cylinder 2. An adjustment mechanism 9 is arranged on the side of the adjustment plate 8, which is close to the side wall of the inner cavity of the discharge cylinder 2, and the adjustment mechanism 9 can adjust the rotation of the adjustment plate 8, that is, the opening degree of the adjustment plate 8, so as to control the flow of the material.

[0024] Specifically, the adjusting mechanism 9 comprises an adjusting screw 91, one end of the adjusting screw 91 extends to the inner cavity of the discharge cylinder 2 through the side wall of the discharge cylinder 2, and the end of the adjusting screw 91 is in contact with the adjusting plate 8. The part of the adjusting screw 91 outside the side wall of the discharge cylinder 2 is provided with a fixed nut 92, a fixed seat 93 and a locking nut 94, the fixed seat 93 is located between the fixed nut 92 and the locking nut 94, the fixed nut 92 is located on one side of the fixed seat 93 close to the side wall of the discharge cylinder 2, and the locking nut 94 is located on one side of the fixed seat 93 away from the side wall of the discharge cylinder 2. When the amount of material is large, the opening degree of the adjusting plate 8 needs to be increased, the worker rotates the adjusting screw 91 outward, the adjusting plate 8 rotates towards the side wall of the inner cavity of the discharge cylinder 2, when the adjusting screw 91 moves to the corresponding position, the adjusting plate 8 no longer rotates, at this time the worker tightens the locking nut 94, the adjusting screw 91 and the fixed seat 93 are fixed through the fixed nut 92 and the locking nut 94, and the material falls from the raw material bin 1 and flows out from the discharge port 4; when the amount of material is small, the opening degree of the adjusting plate 8 needs to be reduced, the worker rotates the adjusting screw 91 inward, the adjusting screw 91 pushes the adjusting plate 8 to rotate away from the side wall of the inner cavity of the discharge cylinder 2, when the adjusting screw 91 moves to the corresponding position, the adjusting plate 8 no longer rotates, at this time the worker tightens the locking nut 94, the adjusting screw 91 and the fixed seat 93 are fixed through the fixed nut 92 and the locking nut 94, and the material falls from the raw material bin 1 and flows out from the discharge port 4.

[0025] Specifically, the arc-shaped baffle 51 of the arc-shaped door 5 is rotationally arranged on the fixed seat 93, and the arc-shaped baffle 51 can rotate about the connection between the arc-shaped baffle 51 and the fixed seat 93.

[0026] Specifically, when the adjusting screw 91 is fixed with the fixed seat 93, the adjusting screw 91 is movable relative to the side wall of the discharge cylinder 2, the adjusting plate 8 is in contact with the adjusting screw 91, the adjusting plate 8 will press the adjusting screw 91 outward due to gravity, but the adjusting screw 91 will not be pushed out by the adjusting plate 8 because the adjusting screw 91 is fixed with the fixed seat 93 and the arc-shaped door 5 is arranged on the fixed seat 93, and the arc-shaped door 5 is a rigid member.

[0027] Specifically, the discharge cylinder 2 is fixedly provided with a baffle 11 away from the cylinder 61, and the baffle 11 prevents the material in the discharge cylinder 2 from flowing out from the gap to affect the metering accuracy. The rotation angle of the arc-shaped door 5 is limited by the stroke of the cylinder 61.

[0028] Specifically, the working principle of the utility model is: when the material usage is large, the opening degree of the adjusting plate 8 needs to be increased, the staff rotates the adjusting screw 91 outward, the adjusting plate 8 rotates towards the direction of approaching the inner cavity side wall of the discharge cylinder 2, when the adjusting screw 91 moves to the corresponding position, the adjusting plate 8 no longer rotates, then the staff tightens the locking nut 94, fixes the adjusting screw 91 with the fixed seat 93, the arc-shaped door 5 is rotated by the cylinder 61, the discharge port 4 is opened, the material flows from the inner cavity of the raw material bin 1 to the measuring hopper at the bottom of the raw material bin 1 through the discharge port 4; when the material usage is small, the opening degree of the adjusting plate 8 needs to be reduced, the staff rotates the adjusting screw 91 inward, the adjusting screw 91 rotates the adjusting plate 8 towards the direction of away from the inner cavity side wall of the discharge cylinder 2, when the adjusting screw 91 moves to the corresponding position, the adjusting plate 8 no longer rotates, then the staff tightens the locking nut 94, fixes the adjusting screw 91 with the fixed seat 93, the arc-shaped door 5 is rotated by the cylinder 61, the discharge port 4 is opened, the material flows from the inner cavity of the raw material bin 1 to the measuring hopper at the bottom of the raw material bin 1 through the discharge port 4.

[0029] Specifically, the pneumatic discharge door adjusts the rotation of the adjusting plate 8 by rotating the adjusting screw 91 in and out, that is, the opening degree of the adjusting plate 8, so as to control the flow of the material, when the material usage is large, the opening degree of the adjusting plate 8 is increased, the flow is increased, and the batching time is shortened; when the material usage is small, the opening degree of the adjusting plate 8 is reduced, the flow is reduced, and the batching accuracy is improved.

[0030] It is apparent for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the involved claims.

Claims

1. A pneumatic unloading gate with flow rate adjustment function, characterized in that, The device includes a discharge cylinder (2), which is fixedly installed at the bottom of the raw material silo (1). The upper part of the discharge cylinder (2) is provided with a discharge port (3), and the lower part of the discharge cylinder (2) is provided with a discharge port (4). The discharge cylinder (2) is connected to the inner cavity of the raw material silo (1) through the discharge port (3). An arc-shaped door (5) for blocking the discharge port (4) is rotatably provided on the side wall of the discharge cylinder (2). A drive mechanism (6) for driving the arc-shaped door (5) to open or close the discharge port (4) is connected to the arc-shaped door (5). An adjustment plate (8) is provided in the inner cavity of the discharge cylinder (2). One end of the adjustment plate (8) is rotatably connected to the side wall of the inner cavity of the discharge cylinder (2). An adjustment mechanism (9) for adjusting the rotation of the adjustment plate (8) is provided on the side of the adjustment plate (8) near the side wall of the inner cavity of the discharge cylinder (2).

2. The pneumatic unloading gate with flow rate adjustment function according to claim 1, characterized in that, The drive mechanism (6) includes a cylinder (61), and a connector (7) is rotatably connected to the end of the piston rod of the cylinder (61). The end of the connector (7) away from the cylinder (61) is fixedly connected to the arc-shaped door (5).

3. The pneumatic unloading gate with flow rate adjustment function according to claim 1, characterized in that, The adjustment mechanism (9) includes an adjustment screw (91), one end of which contacts the adjustment plate (8). The portion of the adjustment screw (91) located on the outer side of the discharge cylinder (2) is provided with a fixing nut (92), a fixing seat (93), and a locking nut (94). The fixing seat (93) is located between the fixing nut (92) and the locking nut (94). The fixing nut (92) is located on the side of the fixing seat (93) close to the side wall of the discharge cylinder (2), and the locking nut (94) is located on the side of the fixing seat (93) away from the side wall of the discharge cylinder (2).

4. The pneumatic unloading gate with flow rate adjustment function according to claim 3, characterized in that, The arc-shaped door (5) is rotatably mounted on the fixed base (93).

5. The pneumatic unloading gate with flow rate adjustment function according to claim 1, characterized in that, A baffle (11) is fixedly installed on one side of the discharge cylinder (2).

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