Feeding hopper

Abstract

The utility model relates to the technical field of feeding hoppers, in particular to a feeding hopper which comprises a supporting frame and a lower cylinder, a storage hopper and a shell are both fixed to the supporting frame, the upper portion of the lower cylinder is communicated with the storage hopper through a first flexible pipe, the lower portion of the lower cylinder is communicated with a feeding port through a second flexible pipe, and the lower portion of the lower cylinder is provided with a feeding port. And a transmission mechanism is arranged between the rotating shaft and the lower barrel body and can enable the lower barrel body to shake. According to the device, the lower cylinder is arranged between the lower portion of the storage hopper and the spiral conveyor, the upper end and the lower end of the lower cylinder are connected through the flexible pipes, the lower cylinder has the function of free movement, the rotating motor drives the rotating shaft to rotate, and under the action of the transmission mechanism, the lower cylinder shakes, so that the conveying efficiency is improved. The bridging phenomenon is broken through the shaking of the lower cylinder body, and the problem of unsmooth discharging is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding hoppers, in particular to a feeding hopper. Background Art

[0002] At least one hopper is installed at the feed port of each extruder. The raw materials are fed into the hopper, and then the raw materials are quantitatively transported into the extruder through the screw conveyor of the hopper.

[0003] The feeding hopper in the prior art generally includes a funnel and a horizontal screw conveyor installed below the funnel. When the material naturally falls from the funnel to the screw conveyor, a bridging phenomenon will occur in the discharge channel near the screw conveyor, resulting in the problem of poor material transportation. In the prior art, when the problem of poor material flow occurs, workers usually use the method of knocking on the discharge barrel to vibrate it to break the bridging phenomenon, and workers need to pay attention to the occurrence of this problem at all times. Utility Model Content

[0004] The utility model aims to solve the problem of bridging easily occurring when the feeding hopper discharges materials in the prior art, and proposes a feeding hopper.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A feeding hopper comprises a storage hopper and a screw conveyor located below the storage hopper, the screw conveyor comprising an outer shell, a rotating motor fixed to the outer shell, a rotating shaft transmission-connected to the rotating motor, and a screw conveying plate fixed to the rotating shaft, the screw conveying plate being located between a feed port and a discharge port of the outer shell, the feeding hopper further comprising a support frame and a lower cylinder, the storage hopper and the outer shell being fixed to the support frame, the upper portion of the lower cylinder being connected to the storage hopper via a first flexible tube, the lower portion of the lower cylinder being connected to the feed port via a second flexible tube, a transmission mechanism being provided between the rotating shaft and the lower cylinder, the transmission mechanism being capable of causing the lower cylinder to rock.

[0007] The transmission mechanism includes a first cam, a second cam, a first push rod, and a second push rod. The first support member and the second support member are symmetrically fixed on both sides of the lower cylinder. The first cam is fixed on the rotating shaft and is located at one end of the spiral conveying plate. The second cam is fixed on the rotating shaft and is located at the other end of the spiral conveying plate. The first push rod is vertically arranged with one end against the first support member and the other end against the outer peripheral surface of the first cam. The second push rod is vertically arranged with one end against the second support member and the other end against the outer peripheral surface of the second cam.

[0008] The housing is fixedly connected with a first guide cylinder and a second guide cylinder which are arranged vertically. The first push rod is vertically slidably connected to the first guide cylinder, and the second push rod is vertically slidably connected to the second guide cylinder.

[0009] The first push rod end is fixed with a first ring body, the first ring body is sleeved on the first support, and the hole diameter of the first ring body is greater than the outer diameter of the first support;

[0010] The second push rod end is fixed with a second ring body, the second ring body is sleeved on the second support, and the hole diameter of the second ring body is greater than the outer diameter of the second support.

[0011] The first cam and the second cam are symmetrical in shape and vertical plane.

[0012] The first cam and the second cam are symmetrical in shape and vertical plane.

[0013] The lower cylinder is a cylindrical cylinder.

[0014] The lower cylinder is a conical cylinder, and the taper of the conical cylinder is the same as the taper of the storage hopper.

[0015] The first flexible pipe and the second flexible pipe are flexible bellows.

[0016] The utility model proposes a kind of feeding hopper, and beneficial effect lies in: a lower cylinder is arranged between the storage hopper lower part and screw conveyor of the device, and the lower cylinder upper end and lower end are both connected using flexible pipe, so that lower cylinder has the function of free activity, is rotated by rotating motor driving shaft, under the action of transmission mechanism, make lower cylinder shake, break bridge phenomenon using the shaking of lower cylinder, avoid the problem of unsmooth discharge. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the lower cylinder structure diagram of the utility model for cylindrical cylinder structure diagram;

[0018] Fig. 2 It is the lower cylinder structure diagram of the utility model for conical cylinder structure diagram.

[0019] In the drawing: support frame 1, storage hopper 2, first flexible pipe 4, lower cylinder 5, first support 6, first ring body 7, first push rod 8, first guide cylinder 9, rotating motor 10, second flexible pipe 11, shell 12, first cam 13, shaft 14, spiral conveying plate 15, discharge port 16, second cam 17, second guide cylinder 18, second push rod 19, second ring body 20, second support 21, feed inlet 22. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all.

[0021] Referring to Figs. 1-2 The feeding hopper comprises a storage hopper 2, a screw conveyor located below the storage hopper 2, the screw conveyor comprising a shell 12, a rotating motor 10 fixed to the shell 12, a rotating shaft 14 in driving connection with the rotating motor 10, and a screw conveying plate 15 fixed to the rotating shaft 14, the screw conveying plate 15 being located between a feeding port 22 and a discharging port 16 of the shell 12, the feeding hopper further comprising a support frame 1, a lower cylinder 5, the storage hopper 2 and the shell 12 being fixed to the support frame 1, the lower cylinder 5 being in communication with the storage hopper 2 through a first flexible pipe 4 above the lower cylinder 5, and being in communication with the feeding port 22 through a second flexible pipe 11 below the lower cylinder 5, a transmission mechanism being arranged between the rotating shaft 14 and the lower cylinder 5, the transmission mechanism being capable of causing the lower cylinder 5 to shake.

[0022] The device is provided with a lower cylinder 5 between the lower part of the storage hopper 2 and the screw conveyor, and the upper and lower ends of the lower cylinder 5 are connected by flexible pipes, so that the lower cylinder 5 has the characteristic of free movement, the rotating shaft 14 is rotated by the rotating motor, the lower cylinder 5 is caused to shake under the action of the transmission mechanism, the phenomenon of bridging is broken by the shaking of the lower cylinder 5, and the problem of unsmooth discharging is avoided.

[0023] It should be noted that the lower cylinder 5 of the device can be an additional part extended from the traditional storage hopper, or the lower half of the traditional storage hopper can be cut off, and the cut-off part can be used as the lower cylinder 5 of the device.

[0024] As a transmission mode, the transmission mechanism comprises a first cam 13, a second cam 17, a first push rod 8 and a second push rod 19, the first and second push rods 8 and 19 being vertically arranged and having one end abutting against the first and second support members 6 and 21 respectively and the other end abutting against the outer circumferential surface of the first and second cams 13 and 17 respectively. The rotating motor 10 drives the rotating shaft 14 to rotate, the first and second cams 13 and 17 are driven to rotate by the rotating shaft 14, the first and second push rods 8 and 19 are driven to move up and down by the rotation of the first and second cams 13 and 17, and the first and second support members 6 and 21 are driven to shake the lower cylinder 5 by the first and second push rods 8 and 19 moving up and down.

[0025] When the first and second cams 13 and 17 are the same in shape and are symmetrically arranged along the vertical plane, the first and second push rods 8 and 19 move up and down synchronously, that is, the lower cylinder 5 shakes up and down;

[0026] When the first cam 13 and the second cam 17 are of the same shape and the outward convex directions are completely opposite, the first push rod 8 and the second push rod 19 move reversely, that is, the lower cylinder 5 swings left and right.

[0027] In order to make the first push rod 8 and the second push rod 19 move more smoothly, the shell 12 is fixed with a vertically arranged first guide cylinder 9 and a second guide cylinder 18, the first push rod 8 is vertically slidably connected with the first guide cylinder 9, and the second push rod 19 is vertically slidably connected with the second guide cylinder 18.

[0028] The first push rod 8 is fixed with a first ring body 7 at the end, the first ring body 7 is sleeved on the first support 6, and the hole diameter of the first ring body 7 is greater than the outer diameter of the first support 6.

[0029] The second push rod 19 is fixed with a second ring body 20 at the end, the second ring body 20 is sleeved on the second support 21, and the hole diameter of the second ring body 20 is greater than the outer diameter of the second support 21.

[0030] The first ring body 7 and the second ring body 20 are arranged to make the first push rod 8 and the second push rod 19 more stable in connection with the first support 6 and the second support 21, and the hole diameter of the ring body is greater than the outer diameter of the support to reserve space for the left and right swinging of the first support 6 and the second support 21, so as to avoid mechanical jamming.

[0031] Some of the storage hoppers have a cylindrical cylinder at the bottom, and some do not.

[0032] Reference Fig. 1 As an embodiment, the lower cylinder 5 is a cylindrical cylinder.

[0033] Reference Fig. 2 As another embodiment, the lower cylinder 5 is a conical cylinder, and the taper of the conical cylinder is the same as the taper of the storage hopper 2.

[0034] The first flexible pipe 4 and the second flexible pipe 11 are both flexible bellows.

[0035] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can obtain technical solutions, concepts and designs according to the technical scheme and concept of the present application within the technical range disclosed by the present application, and the obtained technical solutions, concepts and designs should be covered within the protection scope of the present application.

Claims

1. A feeding hopper, comprising a storage hopper (2), a screw conveyor located below the storage hopper (2), the screw conveyor comprising a housing (12), a rotating motor (10) fixed to the housing (12), a rotating shaft (14) in driving connection with the rotating motor (10), a screw conveying plate (15) fixed to the rotating shaft (14), the screw conveying plate (15) being located between a feeding port (22) and a discharging port (16) of the housing (12), characterized in that, The feeding hopper further comprises a support frame (1), a lower cylinder (5), the storage hopper (2) and the shell (12) are fixed with the support frame (1), the lower cylinder (5) is communicated with the storage hopper (2) through the first flexible pipe (4) above, the lower cylinder (5) is communicated with the feeding inlet (22) through the second flexible pipe (11) below, the transmission mechanism is arranged between the rotating shaft (14) and the lower cylinder (5), and the transmission mechanism can shake the lower cylinder (5).

2. A charging hopper according to claim 1, characterized in that The transmission mechanism comprises a first cam (13), a second cam (17), a first push rod (8) and a second push rod (19), the first support (6) and the second support (21) are symmetrically fixed on both sides of the lower cylinder (5), the first cam (13) is fixed on the rotating shaft (14) and located at one end of the spiral conveying plate (15), the second cam (17) is fixed on the rotating shaft (14) and located at the other end of the spiral conveying plate (15), the first push rod (8) is vertically arranged and one end abuts against the first support (6) and the other end abuts against the outer peripheral surface of the first cam (13), and the second push rod (19) is vertically arranged and one end abuts against the second support (21) and the other end abuts against the outer peripheral surface of the second cam (17).

3. A charging hopper according to claim 2, wherein The shell (12) is fixed with the vertically arranged first guide cylinder (9) and the second guide cylinder (18), the first push rod (8) is vertically and slidably connected with the first guide cylinder (9), and the second push rod (19) is vertically and slidably connected with the second guide cylinder (18).

4. A charging hopper according to claim 3, wherein The first push rod (8) is fixed with the first ring body (7) at the end, the first ring body (7) is sleeved on the first support (6), and the hole diameter of the first ring body (7) is greater than the outer diameter of the first support (6); The second push rod (19) is fixed with the second ring body (20) at the end, the second ring body (20) is sleeved on the second support (21), and the hole diameter of the second ring body (20) is greater than the outer diameter of the second support (21).

5. A charging hopper according to any one of claims 2-4, characterized in that The first cam (13) and the second cam (17) are the same in shape and are symmetrically arranged along the vertical plane.

6. A charging hopper according to any one of claims 2-4, characterized in that The first cam (13) and the second cam (17) are the same in shape and are completely opposite in the outward convex direction.

7. A charging hopper according to any one of claims 1-4, characterized in that The lower cylinder (5) is a cylindrical cylinder.

8. A charging hopper according to any one of claims 1-4, characterized in that The lower cylinder (5) is a conical cylinder, and the taper of the conical cylinder is the same as the taper of the storage hopper (2).

9. A charging hopper according to any one of claims 1-4, characterized in that The first flexible pipe (4) and the second flexible pipe (11) are flexible bellows.

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