Mixing and feeding device

Abstract

The utility model relates to the field of material mixing and feeding, in particular to a mixing and feeding device which comprises a mixing bin, a machine frame, a mixing and stirring mechanism, a feeding mechanism and a discharging mechanism. The mixing bin is fixed to the rack; the mixing bin comprises an upper cylinder part, a contraction part and a lower cylinder part; two ends of the contraction part are connected with the upper cylinder part and the lower cylinder part; the diameter of the lower cylinder part is smaller than that of the upper cylinder part; an upper cover is arranged at the top of the mixing bin; a lower cover is arranged at the bottom of the mixing bin; the upper cover covers the top of the upper cylinder part; the lower cover covers the bottom of the lower cylinder part; the feeding mechanism comprises a feeding channel pipe, a feeding spiral shaft and a feeding motor; an outlet of the feeding channel pipe is communicated to the lower cylinder part; a feeding hole for adding materials is formed in the middle of the feeding channel pipe; the feeding port is communicated with the feeding channel pipe; the feeding spiral shaft is located in the feeding channel pipe. The material mixing bin has the beneficial effect that the problem that materials at the bottom of a traditional material mixing bin suitable for powdery materials are difficult to discharge can be solved.

Description

Technical Field

[0001] The utility model relates to the field of material mixing and feeding, in particular to a mixing and feeding device. Background Art

[0002] Powdered materials are usually mixed in a mixing bin, where the material is raised by rotating the screw shaft, and then falls back under the action of gravity to achieve mixing.

[0003] The mixing bin is usually provided with a discharge pipe on the contraction part to guide the material in the mixing bin to flow out. Due to the location and structure of the discharge pipe, it is difficult to discharge the material at the bottom of the mixing bin. Utility Model Content

[0004] The purpose of the utility model is to provide a mixing feeding device to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A mixing and feeding device, comprising: a mixing bin, a frame, a mixing and stirring mechanism, a feeding mechanism and a discharging mechanism;

[0007] The mixing bin is fixed to the frame; the mixing bin comprises: an upper barrel, a contraction part and a lower barrel; the two ends of the contraction part connect the upper barrel and the lower barrel; the diameter of the lower barrel is smaller than the diameter of the upper barrel; an upper cover is provided on the top of the mixing bin; a lower cover is provided on the bottom of the mixing bin; the upper cover covers the top of the upper barrel; and the lower cover covers the bottom of the lower barrel;

[0008] The feeding mechanism comprises: a feeding channel tube, a feeding screw shaft and a feeding motor; the outlet of the feeding channel tube is connected to the lower cylinder; a feeding port for adding materials is provided in the middle of the feeding channel tube; the feeding port is connected to the feeding channel tube; the feeding screw shaft is located in the feeding channel tube; the feeding motor drives the feeding screw shaft to rotate and drives the materials in the feeding channel tube to enter the lower cylinder;

[0009] The mixing and stirring mechanism comprises: a material lifting screw shaft, a material lifting pipe and a material mixing and stirring motor; the material lifting pipe is arranged in the material mixing bin; the material lifting pipe is fixed to the inner wall of the material mixing bin; the material lifting screw shaft passes through the material lifting pipe; the lower end of the material lifting screw shaft is located in the lower cylinder; the upper end of the material lifting screw shaft is located in the upper cylinder; the material mixing and stirring motor drives the material lifting screw shaft to rotate;

[0010] The lower cover is provided with a discharge port; the discharge mechanism comprises: a discharge funnel, a discharge valve, a discharge channel pipe, a discharge screw shaft and a discharge motor; the discharge funnel is installed on the lower cover; the material discharged from the discharge port enters one end of the discharge valve through the discharge funnel; a discharge feeding port for material entry is provided in the middle of the discharge channel pipe; the other end of the discharge valve is connected to the discharge feeding port; the discharge screw shaft is located in the discharge channel pipe; the discharge motor drives the discharge screw shaft to rotate;

[0011] A mixing and feeding device has a mixing and stirring mode and a discharging mode;

[0012] In the mixing and stirring mode, the discharge valve is closed, and the mixing and stirring motor drives the lifting screw shaft to rotate forward, driving the material in the lower barrel to move along the lifting pipe to increase the height. After passing through the lifting pipe, the material falls back under the action of gravity;

[0013] In the unloading mode, the unloading valve is opened, the mixing and stirring motor drives the lifting screw shaft to reverse and push the material in the mixing bin through the unloading port into the unloading funnel, and enters the unloading channel pipe through the unloading valve. The unloading motor drives the unloading screw shaft to rotate and pushes the material to be discharged from the outlet of the unloading channel pipe.

[0014] As a further solution of the utility model: the upper cover is provided with an auxiliary feeding cover plate for users to assist in adding materials; the auxiliary feeding cover plate is rotatably mounted to the upper cover through a hinge connection.

[0015] As a further solution of the utility model: the mixing and stirring motor is fixed to the upper cover.

[0016] As a further solution of the utility model: the material lifting screw shaft is connected to the motor shaft of the mixing and stirring motor through a coupling.

[0017] As a further solution of the utility model: the number of the auxiliary feeding cover plates is two; the two auxiliary feeding cover plates are symmetrically arranged on both sides of the mixing and stirring motor.

[0018] As a further solution of the utility model: there are multiple discharge ports; the multiple discharge ports are evenly distributed around the rotation axis of the material lifting spiral shaft.

[0019] As a further solution of the utility model: the opening direction of the feed inlet is upward and the lower end of the feed inlet is connected to the feed channel pipe.

[0020] As a further solution of the utility model: the upper cylinder, the contraction part, the lower cylinder, the discharge funnel, the discharge valve, and the discharge and feeding port are arranged in a straight line from top to bottom.

[0021] As a further solution of the utility model: the feed screw shaft is connected to the motor shaft of the feed motor through a coupling.

[0022] As a further solution of the utility model: the unloading screw shaft is connected to the motor shaft of the unloading motor through a coupling.

[0023] Compared with the prior art, the utility model has the beneficial effect of being able to solve the problem that the bottom material of the traditional mixing bin suitable for powdery materials is difficult to discharge.

[0024] The material can be actively fed outwards through the unloading mechanism.

[0025] Other features and advantages of the present invention will be disclosed in detail in the following specific implementations and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of a mixing and feeding device of the utility model;

[0027] Figure 2 yes Figure 1 A schematic diagram of the internal structure of a mixing and feeding device;

[0028] Figure 3 yes Figure 2 A schematic diagram of the lower end of a mixing and feeding device;

[0029] Figure 4 yes Figure 3 A partial enlarged view of the structure in the middle;

[0030] Figure 5 yes Figure 4 A schematic diagram of the bottom cover from an upward perspective;

[0031] Figure 6 yes Figure 1 Schematic diagram of the top cover from a top-down perspective.

[0032] List of reference numerals: mixing and feeding device 100, mixing bin 10, upper cylinder 11, contraction portion 12, lower cylinder 13, upper cover 14, auxiliary feeding cover plate 141, lower cover 15, discharge port 151, frame 20, mixing and stirring mechanism 30, lifting screw shaft 31, lifting pipe 32, mixing and stirring motor 33, feeding mechanism 40, feeding channel pipe 41, feeding port 411, feeding screw shaft 42, feeding motor 43, discharging mechanism 50, discharging funnel 51, discharging valve 52, discharging channel pipe 53, discharging feeding port 531, discharging screw shaft 54, discharging motor 55. DETAILED DESCRIPTION

[0033] 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.

[0034] See also Figures 1 to 6 In an embodiment of the utility model, a mixing and feeding device 100 includes: a mixing bin 10, a frame 20, a mixing and stirring mechanism 30, a feeding mechanism 40 and a discharging mechanism 50.

[0035] The mixing bin 10 is fixed to the frame 20. The mixing bin 10 includes an upper cylinder 11, a contraction portion 12 and a lower cylinder 13. The two ends of the contraction portion 12 connect the upper cylinder 11 and the lower cylinder 13.

[0036] The diameter of the lower cylinder 13 is smaller than the diameter of the upper cylinder 11. An upper cover 14 is provided at the top of the mixing bin 10. A lower cover 15 is provided at the bottom of the mixing bin 10. The upper cover 14 covers the top of the upper cylinder 11.

[0037] The lower cover 15 covers the bottom of the lower tube portion 13 .

[0038] The feeding mechanism 40 includes: a feeding channel tube 41, a feeding screw shaft 42 and a feeding motor 43. The outlet of the feeding channel tube 41 is connected to the lower cylinder 13. A feeding inlet 411 for adding materials is provided in the middle of the feeding channel tube 41. The feeding inlet 411 is connected to the feeding channel tube 41.

[0039] The feeding screw shaft 42 is located in the feeding channel tube 41. The feeding motor 43 drives the feeding screw shaft 42 to rotate, driving the material in the feeding channel tube 41 to enter the lower cylinder 13.

[0040] The mixing and stirring mechanism 30 includes: a material lifting screw shaft 31, a material lifting pipe 32 and a material mixing and stirring motor 33. The material lifting pipe 32 is arranged in the mixing bin 10. The material lifting pipe 32 is fixed to the inner wall of the mixing bin 10. The material lifting screw shaft 31 passes through the material lifting pipe 32. The lower end of the material lifting screw shaft 31 is located in the lower cylinder 13. The upper end of the material lifting screw shaft 31 is located in the upper cylinder 11.

[0041] The mixing and stirring motor 33 drives the material lifting screw shaft 31 to rotate.

[0042] The lower cover 15 is provided with a discharge port 151. The discharge mechanism 50 comprises a discharge hopper 51, a discharge valve 52, a discharge channel pipe 53, a discharge screw shaft 54 ​​and a discharge motor 55.

[0043] The discharge funnel 51 is mounted to the lower cover 15. The material discharged from the discharge port 151 enters one end of the discharge valve 52 through the discharge funnel 51. A discharge feed port 531 for feeding materials is provided in the middle of the discharge channel pipe 53. The other end of the discharge valve 52 is connected to the discharge feed port 531.

[0044] The unloading screw shaft 54 ​​is located in the unloading passage pipe 53. The unloading motor 55 drives the unloading screw shaft 54 ​​to rotate.

[0045] A mixing and feeding device 100 has a mixing and stirring mode and a discharging mode.

[0046] In the mixing and stirring mode, the discharge valve 52 is closed, and the mixing and stirring motor 33 drives the lifting screw shaft 31 to rotate forward, driving the material in the lower cylinder 13 to move along the lifting pipe 32 to increase the height. After passing through the lifting pipe 32, the material falls back under the action of gravity.

[0047] In the unloading mode, the unloading valve 52 is opened, the mixing and stirring motor 33 drives the lifting screw shaft 31 to reverse and push the material in the mixing bin 10 through the unloading port 151 into the unloading funnel 51, and enters the unloading channel pipe 53 through the unloading valve 52. The unloading motor 55 drives the unloading screw shaft 54 ​​to rotate and push the material to be discharged from the outlet of the unloading channel pipe 53.

[0048] In the mixing and stirring mode, the feeding motor 43 can be used to drive the feeding screw shaft 42 to rotate and output materials into the lower barrel 13 of the mixing bin 1 through the feeding channel tube 41. The materials input into the lower barrel 13 are lifted by the lifting screw shaft 31 and leave the lower barrel 13, so that new materials can continue to be output into the lower barrel 13 of the mixing bin 1 through the feeding channel tube 41. The feeding port 411 of the feeding channel tube 41 can be connected to the material through an external pipeline, or it can be connected to a material receiving funnel to pour the material inward. Different materials can be added through the feeding port 411, and then repeatedly lifted and dropped in the mixing bin 1 to achieve mixing.

[0049] As a specific implementation, the upper cover 14 is provided with an auxiliary feeding cover plate 141 for users to assist in adding materials. The auxiliary feeding cover plate 141 is rotatably mounted to the upper cover 14 through a hinge connection. The user can open the auxiliary feeding cover plate 141 and put materials in.

[0050] As a specific implementation, the mixing and stirring motor 33 is fixed to the upper cover 14. The material lifting screw shaft 31 is connected to the motor shaft of the mixing and stirring motor 33 through a coupling. The number of the auxiliary feeding cover plates 141 is two. The two auxiliary feeding cover plates 141 are symmetrically arranged on both sides of the mixing and stirring motor 33.

[0051] As a specific implementation, there are multiple discharge ports 151. The multiple discharge ports 151 are evenly distributed around the rotation axis of the material lifting screw shaft 31. Specifically, the number of the discharge ports 151 is 6.

[0052] As a specific implementation, the opening direction of the feed inlet 411 is upward and the lower end of the feed inlet 411 is connected to the feed channel pipe 41 .

[0053] As a specific implementation, the upper cylinder 11, the contraction part 12, the lower cylinder 13, the discharge funnel 51, the discharge valve 52, and the discharge feeding port 531 are arranged in a straight line from top to bottom. The upper cylinder 11, the contraction part 12, the lower cylinder 13, the discharge funnel 51, the discharge valve 52, and the discharge feeding port 531 are arranged from top to bottom in the vertical direction. The axes of the upper cylinder 11, the contraction part 12, the lower cylinder 13, the discharge funnel 51, the discharge valve 52, and the discharge feeding port 531 are coaxially arranged.

[0054] As a specific implementation, the feeding screw shaft 42 is connected to the motor shaft of the feeding motor 43 through a coupling. The unloading screw shaft 54 ​​is connected to the motor shaft of the unloading motor 55 through a coupling.

[0055] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0056] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A mixing and feeding device (100), characterized in that: include: A mixing bin (10), a frame (20), a mixing and stirring mechanism (30), a feeding mechanism (40) and a discharging mechanism (50); The mixing bin (10) is fixed to the frame (20); the mixing bin (10) comprises: an upper cylinder (11), a contraction portion (12) and a lower cylinder (13); two ends of the contraction portion (12) connect the upper cylinder (11) and the lower cylinder (13); the diameter of the lower cylinder (13) is smaller than the diameter of the upper cylinder (11); an upper cover (14) is provided at the top of the mixing bin (10); a lower cover (15) is provided at the bottom of the mixing bin (10); the upper cover (14) covers the top of the upper cylinder (11); the lower cover (15) covers the bottom of the lower cylinder (13); The feeding mechanism (40) comprises: a feeding channel tube (41), a feeding screw shaft (42) and a feeding motor (43); the outlet of the feeding channel tube (41) is connected to the lower cylinder (13); a feeding port (411) for adding materials is provided in the middle of the feeding channel tube (41); the feeding port (411) is connected to the feeding channel tube (41); the feeding screw shaft (42) is located in the feeding channel tube (41); the feeding motor (43) drives the feeding screw shaft (42) to rotate, thereby driving the materials in the feeding channel tube (41) to enter the lower cylinder (13); The mixing and stirring mechanism (30) comprises: a material lifting screw shaft (31), a material lifting pipe (32) and a material mixing and stirring motor (33); the material lifting pipe (32) is arranged in the material mixing bin (10); the material lifting pipe (32) is fixed to the inner wall of the material mixing bin (10); the material lifting screw shaft (31) passes through the material lifting pipe (32); the lower end of the material lifting screw shaft (31) is located in the lower cylinder (13); the upper end of the material lifting screw shaft (31) is located in the upper cylinder (11); the material mixing and stirring motor (33) drives the material lifting screw shaft (31) to rotate; The lower cover (15) is provided with a discharge port (151); the discharge mechanism (50) comprises: a discharge funnel (51), a discharge valve (52), a discharge channel pipe (53), a discharge screw shaft (54) and a discharge motor (55); the discharge funnel (51) is mounted on the lower cover (15); the material discharged from the discharge port (151) passes through the discharge funnel (51) and enters one end of the discharge valve (52); a discharge feeding port (531) for feeding material is provided in the middle of the discharge channel pipe (53); the other end of the discharge valve (52) is connected to the discharge feeding port (531); the discharge screw shaft (54) is located in the discharge channel pipe (53); the discharge motor (55) drives the discharge screw shaft (54) to rotate; The mixing and feeding device (100) has a mixing and stirring mode and a discharging mode; In the mixing and stirring mode, the discharge valve (52) is closed, and the mixing and stirring motor (33) drives the lifting screw shaft (31) to rotate forward, driving the material in the lower cylinder (13) to move along the lifting pipe (32) to increase the height, and after passing through the lifting pipe (32), the material falls back under the action of gravity; In the unloading mode, the unloading valve (52) is opened, the mixing and stirring motor (33) drives the lifting screw shaft (31) to reverse and push the material in the mixing bin (10) through the unloading port (151) into the unloading funnel (51), and enters the unloading channel pipe (53) through the unloading valve (52), and the unloading motor (55) drives the unloading screw shaft (54) to rotate and push the material to be discharged from the outlet of the unloading channel pipe (53).

2. A mixing and feeding device (100) according to claim 1, characterized in that: The upper cover (14) is provided with an auxiliary material adding cover plate (141) for users to assist in adding materials; the auxiliary material adding cover plate (141) is rotatably mounted to the upper cover (14) via a hinge connection.

3. A mixing and feeding device (100) according to claim 2, characterized in that: The mixing and stirring motor (33) is fixed to the upper cover (14).

4. A mixing and feeding device (100) according to claim 3, characterized in that: The material lifting screw shaft (31) is connected to the motor shaft of the material mixing and stirring motor (33) via a coupling.

5. A mixing and feeding device (100) according to claim 3, characterized in that: The number of the auxiliary feeding cover plates (141) is two; the two auxiliary feeding cover plates (141) are symmetrically arranged on both sides of the mixing and stirring motor (33).

6. A mixing and feeding device (100) according to claim 1, characterized in that: There are multiple discharge ports (151); the multiple discharge ports (151) are evenly distributed around the rotation axis of the material lifting spiral shaft (31).

7. The mixing and feeding device (100) according to claim 1, characterized in that: The opening direction of the feed inlet (411) is upward and the lower end of the feed inlet (411) is connected to the feed channel pipe (41).

8. The mixing and feeding device (100) according to claim 1, characterized in that: The upper cylinder (11), the contraction portion (12), the lower cylinder (13), the discharge funnel (51), the discharge valve (52), and the discharge feeding port (531) are arranged in a straight line from top to bottom.

9. The mixing and feeding device (100) according to claim 1, characterized in that: The feed screw shaft (42) is connected to the motor shaft of the feed motor (43) via a coupling.

10. The mixing and feeding device (100) according to claim 1, characterized in that: The unloading screw shaft (54) is connected to the motor shaft of the unloading motor (55) via a coupling.

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