A mixing and conveying integrated machine

Abstract

The present invention discloses an integrated stirring and conveying machine, comprising a machine base, a stirring barrel arranged on the machine base, a first spiral stirring rod, a power assembly, a conveying pipe sleeved on the outside of the first spiral stirring rod, a second spiral stirring rod arranged outside the stirring barrel, and a conveying pipe sleeved on the outside of the second spiral stirring rod; a return hole is arranged on the upper half of the conveying pipe, a sealing sleeve is arranged outside the return hole, the sealing sleeve is connected to a driving assembly, and the driving assembly can drive the sealing sleeve to open or close the return hole; a connecting piece is arranged between the first spiral stirring rod and the second spiral stirring rod, the connecting piece is connected to a middle hanging bearing assembly; the connecting piece can rotate relative to the middle hanging bearing assembly; a discharge port is arranged on the conveying pipe, and a valve is arranged at the end of the discharge port. The implementation of the present invention can realize the integration of stirring and conveying of materials, and the equipment is simple and easy to maintain.

Description

Technical Field

[0001] The present invention relates to the technical field of mixers, and in particular to an all-in-one mixer and conveyor. Background Art

[0002] The existing mixer includes a mixing barrel, a mixing motor and a mixing blade. The mixing blade is driven by the mixing motor to rotate, and the granular material, flaky material or powder material in the mixing barrel is fully mixed to disperse the agglomerated materials or to evenly mix multiple materials. The mixed materials are transferred to the existing conveyor, which includes a conveying cavity, a spiral mixer and a conveying pipe. The spiral mixer squeezes the materials and conveys them to the next processing step. However, during transportation, the materials need to be taken out from the discharge port of the mixing barrel and transported to the feeding cavity manually or by a conveyor belt, which wastes time and increases the labor intensity of workers. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide an all-in-one stirring and conveying machine which can realize the integration of stirring and transporting of materials, has high efficiency, simple equipment and is easy to maintain.

[0004] In order to solve the above technical problems, the present invention provides a stirring and conveying integrated machine, comprising a machine base, a stirring barrel arranged on the machine base, a first spiral stirring rod arranged in the stirring barrel, a power assembly for driving the first spiral stirring rod, a conveying pipe sleeved on the outside of the first spiral stirring rod, a second spiral stirring rod arranged outside the stirring barrel, and a conveying pipe sleeved on the outside of the second spiral stirring rod;

[0005] A return hole is provided on the upper half of the conveying pipe, a sealing sleeve is provided outside the return hole, the sealing sleeve is connected to a driving component, and the driving component can drive the sealing sleeve to open or close the return hole;

[0006] A connecting piece is provided between the first spiral stirring rod and the second spiral stirring rod, and the connecting piece is connected to the middle hanging bearing assembly; the connecting piece can rotate relative to the middle hanging bearing assembly;

[0007] The transport pipe is provided with a discharge port, and a valve is provided at the end of the discharge port.

[0008] As an improvement of the above technical solution, the delivery pipe includes a first delivery pipe connected to the mixing barrel and a second delivery pipe connected to the top plate of the mixing barrel, and a predetermined gap is provided between the top surface of the first delivery pipe and the bottom surface of the second delivery pipe;

[0009] Alternatively, the upper half of the conveying pipe is provided with a plurality of return holes.

[0010] As an improvement of the above technical solution, the sealing sleeve is a sealing tube sleeved outside the return hole, and the driving assembly can drive the sealing tube to slide;

[0011] Alternatively, the sealing sleeve is two semicircular tubes arranged in cooperation with each other, the semicircular tubes are hinged to the conveying tube, and the driving assembly can drive the semicircular tubes to flip.

[0012] As an improvement of the above technical solution, the driving assembly includes a plurality of synchronous lifting cylinders, and the synchronous lifting cylinders include a cylinder body fixed to the top cover of the mixing barrel and a piston rod arranged in cooperation with the cylinder body;

[0013] The piston rod passes through the top cover and is fixed to the sealing tube or the semicircular tube.

[0014] As an improvement of the above technical solution, a first connecting hole extending downward is provided at the top of the first spiral stirring rod, and a second connecting hole extending upward is provided at the bottom of the second spiral stirring rod, and both the first connecting hole and the second connecting hole are square holes;

[0015] The connecting member is provided with a lower connecting column adapted to the first connecting hole and an upper connecting column adapted to the second connecting hole.

[0016] As an improvement of the above technical solution, the connecting member also includes a bearing connecting column arranged between the lower connecting column and the upper connecting column, and the center hanging bearing assembly is sleeved on the bearing connecting column.

[0017] As an improvement of the above technical solution, the center hanging bearing assembly includes a bearing seat connected to the transport pipe, a bearing cover plate connected to the bearing seat, and a bearing arranged in the bearing seat;

[0018] The bearing sleeve is arranged outside the bearing connecting column. The bearing connecting column is also provided with an upper limit ring and a lower limit ring. A retaining spring is arranged inside the upper limit ring and the lower limit ring.

[0019] As an improvement of the above technical solution, the bearing seat is provided with a support arm extending in the radial direction, and the end of the support arm is provided with an extension arm extending in the circumferential direction, and the support arm and the extension arm are in contact with the inner wall of the transport tube;

[0020] The extension arm is provided with a plurality of locking holes, and the transport tube is provided with connecting holes adapted to the locking holes.

[0021] As an improvement of the above technical solution, the support arm is further provided with a through hole, and the axis of the through hole is arranged orthogonally to the axis of the transport tube;

[0022] An oil nozzle is arranged in the through hole.

[0023] As an improvement of the above technical solution, the pipe wall of the delivery pipe is provided with a hollow interlayer, and the hollow interlayer is filled with heat transfer oil;

[0024] A heating component is connected to the machine base; the heating component can heat the heat transfer oil.

[0025] The implementation of the present invention has the following beneficial effects:

[0026] The present invention realizes the switching between the two working modes of material stirring and material transportation by setting a return hole on the transport pipe, and driving the sealing sleeve to move to open or close the return hole through the driving component; when the return hole is opened, the material is thrown downward from a high place, which can improve the material dispersion efficiency; after the stirring is completed, the return hole is closed, and the material is transported to the external equipment through the first spiral stirring rod and the second spiral stirring rod, which simplifies the process and improves production efficiency. Connectors are set on the first spiral stirring rod and the second spiral stirring rod, and they are connected to the transport pipe through the middle hanging bearing assembly to provide support, which can reduce the problem of low rigidity of a single spiral stirring rod; at the same time, it is also convenient for inspection and maintenance when the material is stuck.

[0027] Furthermore, a hollow interlayer is provided on the wall of the conveying pipe, and heat transfer oil is filled in the hollow interlayer; a heating component is connected to the machine base; the heating component includes a heating source and a heat transfer oil channel, and the heat transfer oil channel is connected to the hollow interlayer; through continuous heating by the heating source, the heat transfer oil can continuously conduct heat to synchronously heat the materials inside and outside the conveying pipe. Since the materials in the stirring process are in a state of motion, the heating uniformity of the materials in the stirring barrel is good, which can improve the drying efficiency and effect, and the moisture content requirements of the materials can be met by controlling the heating time. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a three-dimensional diagram of the stirring and conveying integrated machine involved in the present invention;

[0029] Figure 2 It is a cross-sectional view of the stirring and conveying integrated machine according to the present invention;

[0030] Figure 3 This is the second embodiment of the stirring and conveying integrated machine according to the present invention;

[0031] Figure 4 It is an exploded view of the center suspension bearing assembly involved in the present invention;

[0032] Figure 5 This is the second embodiment of the center suspension bearing assembly of the present invention. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings. It is hereby stated that the directional terms such as up, down, left, right, front, back, inside, outside, etc. that appear or will appear in the text of the present invention are only based on the accompanying drawings of the present invention, and are not specific limitations of the present invention.

[0034] See also Figure 1 and Figure 2 The present invention provides a stirring and conveying integrated machine, comprising a machine base 1, a stirring barrel 2 arranged on the machine base 1, a first spiral stirring rod 3 arranged in the stirring barrel 2, a power assembly 4 for driving the first spiral stirring rod 3, a conveying pipe 5 sleeved on the outside of the first spiral stirring rod 3, a second spiral stirring rod 6 arranged outside the stirring barrel 2, and a conveying pipe 7 sleeved on the outside of the second spiral stirring rod 6;

[0035] The upper half of the conveying pipe 5 is provided with a return hole 51, and a sealing sleeve 8 is provided outside the return hole 51. The sealing sleeve 8 is connected to a driving component 9, and the driving component 9 can drive the sealing sleeve 8 to open or close the return hole 51;

[0036] A connecting piece 10 is provided between the first spiral stirring rod 3 and the second spiral stirring rod 6, and the connecting piece 10 is connected to the middle hanging bearing assembly 11; the connecting piece 10 can rotate relative to the middle hanging bearing assembly 11;

[0037] The transport pipe 7 is provided with a discharge port 71 , and a valve 72 is provided at the end of the discharge port 71 .

[0038] Specifically, the mixing barrel 2 is filled with materials, and the materials can be fed through the feed port 21 provided on the mixing barrel 2. The power assembly 4 can drive the first spiral stirring rod 3 and the second spiral stirring rod 6 to rotate; when the materials are not fully stirred, the valve 72 is in a closed state, and the drive assembly 9 drives the sealing sleeve 8 to move to open the return hole 51; the first spiral stirring rod 3 can drive the materials to be lifted upward, and transported to the return hole 51 under the constraint of the conveying pipe 5, and the materials are thrown downward through the return hole 51; this cycle is repeated until the materials are fully stirred; after the materials are fully stirred, the drive assembly 9 drives the sealing sleeve 8 to reset, so that the return hole 51 is in a closed state; the valve 72 is opened, and the power assembly 4 transports the materials through the first spiral stirring rod 3 and the second spiral stirring rod 6 to the discharge port 71 of the conveying pipe 7. The conveying pipe 7 is connected to an external device to directly transport the stirred materials to the next processing step, thereby reducing the transfer process and improving production efficiency. The first spiral stirring rod 3 and the second spiral stirring rod 6 are provided with a connecting piece 10, and are connected to the transport pipe 7 through a central hanging bearing assembly 11 to provide support, which can reduce the problem of low rigidity of using a single spiral stirring rod; at the same time, it is also convenient for inspection and maintenance when the material is stuck.

[0039] join Figure 2 The power assembly 4 includes a motor 41 and a transmission mechanism 42 driven by the motor 41. The transmission mechanism 42 may be a gear transmission mechanism, a belt transmission mechanism, a chain transmission mechanism, etc., but is not limited thereto. In this embodiment, the power assembly 4 includes a motor 41 connected to the base, a driving wheel 421 connected to the output shaft of the motor 41, a driven wheel 422 connected to the first spiral stirring rod 3, and a belt 423 wound between the driving wheel 421 and the driven wheel 422.

[0040] As a first embodiment of the return hole 51, the delivery pipe 5 includes a first delivery pipe 52 connected to the mixing barrel 2 and a second delivery pipe 53 connected to the top plate of the mixing barrel 2, and a predetermined gap is provided between the top surface of the first delivery pipe 52 and the bottom surface of the second delivery pipe 53. A plurality of support ribs 54 are radially extended from the tube wall of the first delivery pipe 52, and the support ribs 54 are connected to the mixing barrel 2; the top surface of the second delivery pipe 53 is connected to the top cover 22 of the mixing barrel 2, and the predetermined gap between the first delivery pipe 52 and the second delivery pipe 53 forms an annular return hole 51, so as to return materials from 360° and improve the uniformity of material dispersion.

[0041] As a second embodiment of the return hole 51, the upper half of the delivery pipe 5 is provided with a plurality of return holes 51. Preferably, the plurality of return holes 51 are arranged on the wall of the delivery pipe 5. The delivery pipe 5 in this embodiment has a simple structure, is easy to install, and has high strength.

[0042] See also Figure 2 As a first embodiment of the sealing sleeve 8, the sealing sleeve 8 is a sealing tube 81 sleeved outside the return hole 51, and the driving assembly 9 can drive the sealing tube 81 to slide. Specifically, the driving assembly 9 can drive the sealing tube 81 to slide in the up and down directions. The driving assembly 9 can use a gear rack mechanism, a screw transmission mechanism or a cylinder to drive the sealing sleeve 8 to move up and down, but is not limited to this. In this embodiment, the driving assembly 9 includes a plurality of synchronous driving cylinders 91 installed in the vertical direction, the cylinder body of the synchronous driving cylinder 91 is fixed to the top cover 22 of the mixing barrel 2, and its piston rod is hinged to the sealing sleeve 8. The sealing sleeve 8 is pulled to slide by the extension and retraction of the piston rod to open or close the return hole 51.

[0043] See also Figure 3 As a second embodiment of the sealing sleeve 8, the sealing sleeve 8 is composed of two semicircular tubes 82 arranged in cooperation with each other, and the semicircular tubes 82 are hinged with the conveying pipe 5, and the driving assembly 9 can drive the semicircular tubes 82 to flip over to open the return hole 51. The above structure can avoid the friction between the material and the sealing sleeve 8 or even the jamming when the sealing sleeve 8 moves up and down, thereby improving the reliability of the device. In this embodiment, the driving assembly 9 includes a plurality of second synchronous driving cylinders 92 arranged obliquely, and the axis of the second synchronous driving cylinder 92 intersects with the semicircular tube 82, the cylinder body thereof is fixed to the top cover 22 of the mixing barrel 2, and the piston rod thereof is fixed to the semicircular tube 82. The semicircular tube 82 can be flipped relative to the conveying pipe 5 by the extension and retraction of the piston rod to open or close the return hole 51.

[0044] The lower end of the first spiral stirring rod 3 is connected to the first bearing (not shown in the drawings) provided in the machine base 1, and the upper end thereof is connected to the second spiral stirring rod 6 via a connecting piece 10; the top surface of the transport pipe 7 is provided with the end cover 74, and the upper end of the second spiral stirring rod 6 is connected to the second bearing (not shown in the drawings) provided in the end cover 74, so as to realize the connection and positioning of the first spiral stirring rod 3 and the second spiral stirring rod 6.

[0045] See also Figure 4, the top of the first spiral stirring rod 3 is provided with a first connecting hole 31 extending downward, the bottom of the second spiral stirring rod 6 is provided with a second connecting hole (not shown in the drawings) extending upward, and the first connecting hole 31 and the second connecting hole 61 are both square holes; the connecting member 10 is provided with a lower connecting column 101 adapted to the first connecting hole 31 and an upper connecting column 102 adapted to the second connecting hole 61. The square holes can prevent the first spiral stirring rod 3 and the second spiral stirring rod 6 from being dislocated relative to the connecting member 10, thereby improving the reliability of transmission.

[0046] See also Figure 5 In order to realize the connection between the connecting member 10 and the middle hanging bearing assembly 11, the connecting member 10 further includes a bearing connecting column 103 disposed between the lower connecting column 101 and the upper connecting column 102, and the middle hanging bearing assembly 11 is sleeved on the bearing connecting column 103. The middle hanging bearing assembly 11 can reduce friction resistance and transmission resistance while providing support.

[0047] See also Figure 3 and Figure 4 As a first embodiment of the middle hanging bearing assembly 11, the middle hanging bearing assembly 11 comprises a lifting ring 111 connected to the transport pipe 7, the bearing connection column 103 is sleeved in the lifting ring 111, the upper end and the lower end of the lifting ring 111 are connected with a detachably connected lifting ring cover 112, and the bearing connection column 103 is also provided with a limiting assembly 12, the limiting assembly 12 comprises an upper limiting ring 121 and a lower limiting ring 122 arranged on the bearing connection column 103, and a retaining spring 123 is arranged in the upper limiting ring 121 and the lower limiting ring 122, and the upper limiting ring 121 and the lower limiting ring 122 are provided with an outer side corresponding to the lifting ring cover 112. The retaining spring 123 can limit the stringing of the bearing connection column 103, thereby limiting the movement of the first spiral stirring rod 3 and the second spiral stirring rod 6.

[0048] See also Figure 5As a second embodiment of the central hanging bearing assembly 11, the central hanging bearing assembly 11 comprises a bearing seat 113 connected to the transport pipe 7, a bearing cover plate 114 connected to the bearing seat 113, and a bearing 115 arranged in the bearing seat 113; the bearing 115 is sleeved outside the bearing connecting column 103. Specifically, the bearing seat 113 comprises an accommodating cavity for accommodating the bearing 115, the diameter of the accommodating cavity is adapted to the outer diameter of the bearing 115, and the inner ring of the bearing 115 is tightly connected to the bearing connecting column 103. The top and bottom surfaces of the bearing seat 113 are both connected with the bearing cover plate 114 to prevent dust from entering the bearing 115 and affecting the service life of the bearing 115. The bearing connecting column 103 is also provided with an upper limit ring 121 and a lower limit ring 122, and a retaining spring 123 is provided in the upper limit ring 121 and the lower limit ring 122, and the retaining spring 123 can prevent the central hanging bearing assembly 11 from moving up and down.

[0049] See also Figure 4 and Figure 5 In order to facilitate the connection between the bearing seat 113 and the transport tube 7, the bearing seat 113 is provided with a support arm 116 extending in the radial direction, and the end of the support arm 116 is provided with an extension arm 117 extending in the circumferential direction, and the support arm 116 and the extension arm 117 are in contact with the inner wall of the transport tube 7. The outer surfaces of the support arm 116 and the extension arm 117 are arc surfaces adapted to the inner wall of the transport tube 7. The extension arm 117 is provided with a plurality of locking holes 118, and the transport tube 7 is provided with connecting holes (not shown in the drawings) adapted to the locking holes 118, and the locking holes 118 can be locked with the connecting holes by connecting bolts. Preferably, the transport tube 7 is also provided with a gasket 13 or an elastic pad to prevent the bearing seat 113 from loosening from the transport tube 7.

[0050] See also Figure 4 The support arm 116 is also provided with a through hole 119, the axis of the through hole 119 is arranged orthogonally to the axis of the transport pipe 7; an oil nozzle 14 is provided in the through hole 119, and lubricating oil can be injected into the center hanging bearing assembly 11 through the oil nozzle 14 to reduce the wear between the connecting piece 10 and the center hanging bearing assembly 11.

[0051] See also Figure 3Furthermore, different materials have different requirements for water content after stirring. The present invention can heat the materials through an external heating component to control the water content of the materials. Specifically, the tube wall of the conveying pipe 5 is provided with a hollow interlayer 51, and the hollow interlayer 51 is filled with heat transfer oil; the base 1 is connected to a heating component 15; the heating component 15 can heat the heat transfer oil. The heating component 15 includes a heating source 151 and a heat transfer oil channel 152, and the heat transfer oil channel 152 is connected to the hollow interlayer 51; through the continuous heating of the heating source 151, the heat transfer oil can continuously conduct heat to synchronously heat the materials inside and outside the conveying pipe 5. Since the materials in the stirring process are in motion, the heating uniformity of the materials in the stirring barrel 2 is good, which can improve the drying efficiency and effect.

[0052] In summary, the present invention provides an integrated stirring and conveying machine. When the material is in the stirring process, the driving component 9 drives the sealing sleeve 8 to move to open the return hole 51. After the material is stirred, the driving component 9 drives the sealing sleeve 8 to move and close the return hole 51, so that the first spiral stirring rod 3 and the second spiral stirring rod 6 can lift the material to the discharge port 71 under the drive of the power component 4, and the valve 72 of the discharge port 71 is opened to facilitate the discharge of the material. In order to improve the rigidity of the spiral stirring rod, which is actually suitable for long-distance material transportation, the first spiral stirring rod 3 and the second spiral stirring rod 6 are connected by a connecting piece 10, and are connected to the transport pipe 7 through the middle hanging bearing assembly 11 to provide support and improve the overall reliability of the device.

[0053] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. A stirring and conveying integrated machine, characterized in that: The invention comprises a machine base, a stirring barrel arranged on the machine base, a first spiral stirring rod arranged in the stirring barrel, a power assembly for driving the first spiral stirring rod, a conveying pipe sleeved on the outside of the first spiral stirring rod, a second spiral stirring rod arranged outside the stirring barrel and a conveying pipe sleeved on the outside of the second spiral stirring rod; A return hole is provided on the upper half of the conveying pipe, a sealing sleeve is provided outside the return hole, the sealing sleeve is connected to a driving component, and the driving component can drive the sealing sleeve to open or close the return hole; A connecting piece is provided between the first spiral stirring rod and the second spiral stirring rod, and the connecting piece is connected to the middle hanging bearing assembly; the connecting piece can rotate relative to the middle hanging bearing assembly; The transport pipe is provided with a discharge port, and a valve is provided at the end of the discharge port; The first spiral stirring rod can drive the material to be lifted upward, and transported to the return hole under the constraint of the conveying pipe, and the material is thrown downward through the return hole; When the material is not fully stirred, the valve is in a closed state, and the driving component drives the sealing sleeve to move to open the return hole; After the material is fully stirred, the driving component drives the sealing sleeve to reset, so that the return hole is in a closed state; The delivery pipe includes a first delivery pipe connected to the mixing barrel and a second delivery pipe connected to the top plate of the mixing barrel; a predetermined gap is provided between the top surface of the first delivery pipe and the bottom surface of the second delivery pipe; or a plurality of return holes are provided in the upper half of the delivery pipe; The sealing sleeve is a sealing tube sleeved outside the material return hole, and the driving component can drive the sealing tube to slide; Alternatively, the sealing sleeve is two semicircular tubes arranged in cooperation with each other, the semicircular tubes are hinged to the conveying tube, and the driving assembly can drive the semicircular tubes to flip.

2. The stirring and conveying integrated machine according to claim 1, characterized in that: The driving assembly includes a plurality of synchronous lifting cylinders, each of which includes a cylinder body fixed to the top cover of the mixing barrel and a piston rod arranged in cooperation with the cylinder body; The piston rod passes through the top cover and is fixed to the sealing tube or the semicircular tube.

3. The stirring and conveying integrated machine according to claim 1, characterized in that: The first spiral stirring rod is provided with a first connecting hole extending downward, and the second spiral stirring rod is provided with a second connecting hole extending upward, and both the first connecting hole and the second connecting hole are square holes; The connecting member is provided with a lower connecting column adapted to the first connecting hole and an upper connecting column adapted to the second connecting hole.

4. The stirring and conveying integrated machine according to claim 3, characterized in that: The connecting member also includes a bearing connecting column arranged between the lower connecting column and the upper connecting column, and the middle hanging bearing assembly is sleeved on the bearing connecting column.

5. The stirring and conveying integrated machine according to claim 4, characterized in that: The center hanging bearing assembly comprises a bearing seat connected to the transport pipe, a bearing cover plate connected to the bearing seat, and a bearing arranged in the bearing seat; The bearing sleeve is arranged outside the bearing connecting column. The bearing connecting column is also provided with an upper limit ring and a lower limit ring. A retaining spring is arranged inside the upper limit ring and the lower limit ring.

6. The stirring and conveying integrated machine according to claim 5, characterized in that: The bearing seat is provided with a support arm extending in the radial direction, and the end of the support arm is provided with an extension arm extending in the circumferential direction, and the support arm and the extension arm are in contact with the inner wall of the transport tube; The extension arm is provided with a plurality of locking holes, and the transport tube is provided with connecting holes adapted to the locking holes.

7. The stirring and conveying integrated machine according to claim 6, characterized in that: The support arm is also provided with a through hole, and the axis of the through hole is arranged orthogonally to the axis of the transport tube; An oil nozzle is arranged in the through hole.

8. The stirring and conveying integrated machine according to claim 1, characterized in that: The pipe wall of the delivery pipe is provided with a hollow interlayer, and the hollow interlayer is filled with heat transfer oil; A heating component is connected to the machine base; the heating component can heat the heat transfer oil.

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