A double-ended vibrating mixer

Abstract

The invention discloses a double-end vibrating mixer, comprising a frame, a stirring cylinder arranged on the frame, and a stirring device arranged through the stirring cylinder, the stirring device comprising a stirring shaft, the stirring shaft being arranged through the stirring cylinder, a shaft end seal being arranged at the connection between the stirring shaft and the stirring cylinder, one end of the stirring shaft being connected to a first vibration exciting device after passing through the shaft end seal, and the other end being connected to a composite transmission device after passing through the shaft end seal, the composite transmission device comprising a second vibration exciting device and a stirring driving device, the second vibration exciting device being connected to the stirring driving device, the first vibration exciting device and the second vibration exciting device causing the stirring device to vibrate simultaneously during the stirring process, the stirring driving device driving the stirring shaft to rotate, and a synchronous transmission device being arranged between the first vibration exciting device and the second vibration exciting device; in general, the invention has the advantages of improving stirring quality and stirring efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of stirring, and in particular to a double-end vibrating stirrer. Background Art

[0002] Vibration stirring is to vibrate while stirring, so that the fine particles in the mixture are in a trembling state, destroying their agglomerates, and evenly distributing the fine particles, especially the powder. At the same time, vibration stirring increases the movement speed of the particles in the mixture, increases the number of effective collisions, accelerates the physical movement and chemical reaction of the fine materials, and can also purify the surface of the materials and increase the bonding force between the mixtures. Practice has proved that vibration stirring can effectively improve the mixing quality and mixing efficiency of the mixture. The vibration stirring effect of the existing vibration mixer has not been fully exerted, and there is still a lot of room for improvement in improving the mixing quality and mixing efficiency of concrete. Therefore, in order to further improve the mixing quality and mixing efficiency, a double-end vibration mixer is needed. Summary of the invention

[0003] The main purpose of the present invention is to provide a double-end vibrating mixer with improved stirring quality and stirring efficiency.

[0004] To achieve the above-mentioned purpose, the present invention provides a double-end vibrating mixer, comprising a frame, a stirring cylinder arranged on the frame, and a stirring device arranged through the stirring cylinder, the stirring device comprising a stirring shaft, a shaft end seal being arranged at the connection between the stirring shaft and the stirring cylinder, one end of the stirring shaft passing through the shaft end seal and connected to a first vibration excitation device, and the other end passing through the shaft end seal and connected to a composite transmission device, the composite transmission device comprising a second vibration excitation device and a stirring drive device, the second vibration excitation device being connected to the stirring drive device, the first vibration excitation device and the second vibration excitation device causing the stirring device to vibrate simultaneously during stirring, the stirring drive device driving the stirring shaft to rotate, and a synchronous transmission device being arranged between the first vibration excitation device and the second vibration excitation device.

[0005] Optionally, the first vibration excitation device includes a first transmission shaft mounting seat, a first transmission shaft and a first bearing seat, the first transmission shaft is inserted into the first transmission shaft mounting seat through at least two first bearings, one end of the first transmission shaft extends out of the first transmission shaft mounting seat and is connected to the first vibration transmission device, the other end extends out of the first transmission shaft mounting seat and is connected to the inner ring of the second bearing, the outer ring of the second bearing is connected to the inner wall of the first bearing seat, the first bearing seat is fixedly connected to one end of the stirring shaft, the rotation centerline of the first transmission shaft is offset from the inner raceway axis of the second bearing, the inner raceway axis of the second bearing refers to the centerline of the inner raceway of the second bearing along the axial direction of the first transmission shaft, so that the first transmission shaft drives the stirring shaft to vibrate when running at a high speed;

[0006] The second vibration excitation device includes a first transmission shaft mounting seat, a first transmission shaft and a first bearing seat. The first transmission shaft is inserted into the first transmission shaft mounting seat through at least two first bearings. One end of the first transmission shaft extends out of the first transmission shaft mounting seat, and the other end extends out of the first transmission shaft mounting seat and is connected to the inner ring of the second bearing. The outer ring of the second bearing is connected to the inner wall of the first bearing seat. The first bearing seat is fixedly connected to one end of the stirring shaft. The rotation centerline of the first transmission shaft is offset from the inner raceway axis of the second bearing, so that the first transmission shaft drives the stirring shaft to vibrate when it runs at a high speed.

[0007] Optionally, the first vibration excitation device includes a second transmission shaft mounting seat, a second transmission shaft and a second bearing seat, the second transmission shaft is inserted into the second transmission shaft mounting seat through at least two third bearings, one end of the second transmission shaft extends out of the second transmission shaft mounting seat and is connected to the second vibration transmission device, the other end of the second transmission shaft extends out of the second transmission shaft mounting seat and is fixedly connected to the second bearing seat, the inner wall of the second bearing seat is connected to the outer ring of the fourth bearing, the stirring shaft is connected to the inner ring of the fourth bearing, the rotation centerline of the second transmission shaft is offset from the outer raceway axis of the fourth bearing, the outer raceway axis of the fourth bearing refers to the centerline of the outer raceway of the fourth bearing along the axial direction of the second transmission shaft, so that the axis offset between the rotation centerline of the second transmission shaft and the stirring shaft generates vibration, so that the second transmission shaft drives the stirring shaft to vibrate when running at a high speed;

[0008] The second vibration excitation device includes a second transmission shaft mounting seat, a second transmission shaft and a second bearing seat. The second transmission shaft is inserted into the second transmission shaft mounting seat through at least two third bearings. One end of the second transmission shaft extends out of the second transmission shaft mounting seat, and the other end of the second transmission shaft extends out of the second transmission shaft mounting seat and is fixedly connected to the second bearing seat. The inner wall of the second bearing seat is connected to the outer ring of the fourth bearing, and the stirring shaft is connected to the inner ring of the fourth bearing. The rotation centerline of the second transmission shaft is offset from the outer raceway axis of the fourth bearing. The outer raceway axis of the fourth bearing refers to the centerline of the outer raceway of the fourth bearing along the axial direction of the second transmission shaft, so that the rotation centerline of the second transmission shaft and the axis of the stirring shaft are offset to generate vibration, so that the second transmission shaft drives the stirring shaft to vibrate when it runs at a high speed.

[0009] Optionally, the first vibration excitation device includes a first transmission shaft mounting seat, a first transmission shaft and a first bearing seat, the first transmission shaft is inserted into the first transmission shaft mounting seat through at least two first bearings, one end of the first transmission shaft extends out of the first transmission shaft mounting seat and is connected to the first vibration transmission device, the other end extends out of the first transmission shaft mounting seat and is connected to the inner ring of the second bearing, the outer ring of the second bearing is connected to the inner wall of the first bearing seat, the first bearing seat is fixedly connected to one end of the stirring shaft, the rotation centerline of the first transmission shaft is offset from the inner raceway axis of the second bearing, the inner raceway axis of the second bearing refers to the centerline of the inner raceway of the second bearing along the axial direction of the first transmission shaft, so that the rotation centerline of the first transmission shaft and the axis of the stirring shaft are offset to generate vibration, so that the first transmission shaft drives the stirring shaft to vibrate when it runs at a high speed;

[0010] The second vibration excitation device includes a second transmission shaft mounting seat, a second transmission shaft and a second bearing seat. The second transmission shaft is inserted into the second transmission shaft mounting seat through at least two third bearings. One end of the second transmission shaft extends out of the second transmission shaft mounting seat, and the other end of the second transmission shaft extends out of the second transmission shaft mounting seat and is fixedly connected to the second bearing seat. The inner wall of the second bearing seat is connected to the outer ring of the fourth bearing, and the stirring shaft is connected to the inner ring of the fourth bearing. The rotation centerline of the second transmission shaft is offset from the outer raceway axis of the fourth bearing. The outer raceway axis of the fourth bearing refers to the centerline of the outer raceway of the fourth bearing along the axial direction of the second transmission shaft, so that the rotation centerline of the second transmission shaft and the axis of the stirring shaft are offset to generate vibration, so that the second transmission shaft drives the stirring shaft to vibrate when it runs at a high speed.

[0011] Optionally, the stirring drive device includes a first transmission mechanism and a first stirring drive element, and the first transmission mechanism is connected to the first transmission shaft mounting seat via a fifth bearing, and is connected to the first bearing seat via a first flexible element.

[0012] Optionally, the stirring drive device includes a second transmission mechanism and a second stirring drive element, and the second transmission mechanism is connected to the second transmission shaft mounting seat via a sixth bearing, and is connected to the stirring shaft via a second flexible element.

[0013] Optionally, the stirring shaft is a hollow shaft, and the synchronous transmission device includes a first synchronous transmission shaft, which is passed through the hollow shaft and has two ends respectively connected to the first vibration excitation device and the second vibration excitation device.

[0014] Optionally, the synchronous transmission device includes a second synchronous transmission shaft, the second synchronous transmission shaft is connected to the third bearing seat via a seventh bearing, the third bearing seat is fixedly connected to the frame, and both ends of the second synchronous transmission shaft are respectively connected to the first vibration excitation device and the second vibration excitation device.

[0015] Optionally, a balancing block is fixedly disposed on the first excitation device and the second excitation device respectively.

[0016] Optionally, the first excitation device and the second excitation device have the same offset direction.

[0017] The beneficial effects of the present invention are:

[0018] 1. The first excitation device and the second excitation device of the present invention can adopt a variety of different offset modes and combination modes according to different materials, so that the stirring device can obtain suitable amplitude and frequency, and has strong adaptability to different materials;

[0019] 2. The vibration excitation device of the present invention adopts a first transmission shaft which is passed through two first bearings and is arranged in a first transmission shaft mounting seat. One end of the first transmission shaft extends out of the first transmission shaft mounting seat and is connected to the first vibration transmission device, and the other end extends out of the first transmission shaft mounting seat and is connected to the inner ring of the second bearing. The outer ring of the second bearing is connected to the inner wall of the first bearing seat, and the first bearing seat is fixedly connected to one end of the stirring shaft. The rotation center line of the first transmission shaft and the inner raceway axis of the second bearing are offset. The inner raceway axis of the second bearing refers to the center line of the inner raceway of the second bearing along the axial direction of the first transmission shaft, so that the first transmission shaft drives the stirring shaft to vibrate when it runs at high speed. With this technical solution, the stirring shaft has a simple structure, and the shaft end seal is easy to disassemble and maintain.

[0020] 3. The vibration excitation device of the present invention adopts a second transmission shaft which is passed through two third bearings and is arranged in the second transmission shaft mounting seat. One end of the second transmission shaft extends out of the second transmission shaft mounting seat and is connected to the second vibration transmission device. The other end of the second transmission shaft extends out of the second transmission shaft mounting seat and is fixedly connected to the second bearing seat. The inner wall of the second bearing seat is connected to the outer ring of the fourth bearing, and the stirring shaft is connected to the inner ring of the fourth bearing. The rotation center line of the second transmission shaft is offset from the outer raceway axis of the fourth bearing. The outer raceway axis of the fourth bearing refers to the center line of the outer raceway of the fourth bearing along the axial direction of the second transmission shaft, so that the second transmission shaft drives the stirring shaft to vibrate when it runs at high speed. With this technical solution, the vibration excitation device has fewer parts and a simple structure.

[0021] 4. The present invention realizes double-end excitation and double-end independent balancing design. The vibration intensity of the stirring device is evenly distributed along the axial direction, the vibration intensity is large, the vibration parameters are stable, the mixed material is mixed more uniformly, and the stirring quality and stirring efficiency are effectively improved;

[0022] 5. The composite transmission device adopts a "coaxial composite transmission" combining a stirring drive device and an exciting device. The stirring drive device is supported on the exciting device and is coaxial with the rotation center of the transmission shaft of the exciting device to achieve single-end dual power input. The stirring drive device adopts an elastic element to connect with either the exciting device or the stirring shaft, which not only transmits power, but also reduces the structural complexity of the stirring drive device, reduces the impact of vibration on the stirring drive device, improves the working reliability of the stirring drive device, and is conducive to improving the stirring quality and stirring efficiency.

[0023] 6. The first synchronous transmission mechanism can realize the vibration synchronization of the single shaft and the double ends, making the vibration more stable; at the same time, the first excitation device and the second excitation device can use the same vibration power source, saving costs; when the internal synchronization method in which the synchronous transmission shaft is inserted into the hollow shaft is adopted, the space utilization rate of the equipment of the present invention can be improved and the transmission noise can be reduced; when the external synchronization method in which the synchronous transmission shaft is connected to the third bearing seat through the seventh bearing and the third bearing seat is fixedly connected to the frame is adopted, the processing and manufacturing difficulty is low, and the installation, debugging and maintenance are more convenient;

[0024] 7. The first excitation device and the second excitation device of the present invention have the same offset direction, which makes the synchronization of the excitation devices at both ends more meaningful, and is also beneficial to improving the vibration intensity, thereby improving the stirring quality and stirring efficiency; in general, the present invention has the advantages of improving the stirring quality and stirring efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of the present invention;

[0026] Figure 2 is a schematic structural diagram of Embodiment 1 of the present invention;

[0027] Figure 3 is a schematic diagram of the structure of Embodiment 2 of the present invention;

[0028] Figure 4 is a schematic diagram of the structure of Embodiment 3 of the present invention;

[0029] Figure 5 is a schematic diagram of the structure of Embodiment 4 of the present invention;

[0030] Figure 6 is a schematic diagram of the structure of Embodiment 5 of the present invention;

[0031] Figure 7 is a schematic diagram of the structure of Embodiment 6 of the present invention;

[0032] Figure 8 It is a structural diagram of Example 7 of the present invention.

[0033] In the figure: 1, frame, 2, mixing cylinder, 3, stirring device, 4, stirring shaft, 5, shaft end seal, 6, first excitation device, 61, first transmission shaft mounting seat, 62, first transmission shaft, 63, first bearing, 64, first bearing seat, 65, first vibration transmission device, 66, second bearing, 7, composite transmission device, 8, second excitation device, 81, second transmission shaft mounting seat, 82, second transmission shaft, 83, third bearing, 84, second bearing seat, 85, second vibration transmission device, 86, Fourth bearing, 9, stirring drive device, 91, first transmission mechanism, 92, first stirring drive element, 93, fifth bearing, 94, first elastic element, 95, second transmission mechanism, 96, second stirring drive element, 97, sixth bearing, 98, second elastic element, 99, transmission frame, 10, synchronous transmission device, 101, first synchronous transmission shaft, 111, second synchronous transmission shaft, 112, seventh bearing, 113, third bearing seat, 11, balance block, 12, second synchronous transmission device. DETAILED DESCRIPTION

[0034] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0035] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the invention claimed for protection, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not require further definition and explanation in the subsequent drawings.

[0037] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the inventive product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0038] In addition, the terms "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted. The inner raceway refers to the raceway surface where the inner ring of the bearing contacts the rolling element, and the outer raceway refers to the raceway surface where the outer ring of the bearing contacts the rolling element.

[0039] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly stipulated and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of the two elements, and the fixed connection can be welding, bonding, etc. In the present invention, the synchronous transmission shaft and / or the stirring shaft can be an integral structure or a segmented structure, the offset of the vibration excitation device at both ends can be the same or different, the structure of the connection between the two ends of the stirring shaft and the transmission shaft can be the same or different, and when there are two or more shafts, a combination scheme can also be adopted, all of which belong to the protection scope of the present application. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] Embodiment 1:

[0041] like Figure 1 , Figure 2 As shown, a double-end vibrating mixer comprises a frame 1, a mixing cylinder 2 arranged on the frame 1, and a mixing device 3 arranged through the mixing cylinder 2, the mixing device 3 comprises a mixing shaft 4, and a shaft end seal 5 is arranged at the connection between the mixing shaft 4 and the mixing cylinder 2, one end of the mixing shaft 4 passes through the shaft end seal 5 and is connected to a first excitation device 6, and the other end passes through the shaft end seal 5 and is connected to a composite transmission device 7, the shaft end seal 5 can adopt a metal rubber sealing ring, and can also adopt other sealing methods; the composite transmission device 7 comprises a second excitation device 8 and a mixing drive device 9 connected to the second excitation device 8, the first excitation device 6 and the second excitation device 8 make the mixing device 3 vibrate simultaneously during the mixing process, the mixing drive device 9 drives the mixing shaft 4 to rotate, the first excitation device 6 and the second excitation device 8 are arranged, double-end excitation is realized and a double-end independent balance design is performed, the mixing device 3 has a large vibration intensity and is evenly distributed along the axial direction, the vibration parameters are stable, the mixed material is mixed more uniformly, and the mixing quality and mixing efficiency are effectively improved.

[0042] The composite transmission device 7 adopts a coaxial composite transmission of a stirring drive device 9 and a second vibration exciting device 8. The stirring drive device 9 is rotatably supported on the vibration exciting device and is coaxially designed with the rotation center of the transmission shaft of the vibration exciting device to realize single-end dual power input. The stirring drive device 9 adopts an elastic element to be connected to any one of the vibration exciting device or the stirring shaft 4, which not only transmits power but also reduces the structural complexity of the stirring drive device 9, reduces the influence of vibration on the stirring drive device 9, improves the working reliability of the stirring drive device 9, and is beneficial to improving the stirring quality and stirring efficiency.

[0043] The first vibration exciting device 6 includes a first transmission shaft mounting seat 61, a first transmission shaft 62 and a first bearing seat 64. The first transmission shaft 62 is inserted into the first transmission shaft mounting seat 61 through at least two first bearings 63. One end of the first transmission shaft 62 extends out of the first transmission shaft mounting seat 61 and is connected to a first vibration transmission device 65. The first vibration transmission device 65 includes a transmission mechanism and a vibration motor. The vibration motor provides the driving force required for vibration. The first transmission shaft 62 is connected to the vibration motor through a transmission mechanism. The transmission mechanism can be gear transmission, synchronous belt transmission, etc.; the other end extends out of the first transmission shaft mounting seat 61 and is connected to the first vibration transmission device 65. The inner rings of the two bearings 66 are connected, the outer ring of the second bearing 66 is connected to the inner wall of the first bearing seat 64, the first bearing seat 64 is fixedly connected to one end of the stirring shaft 4, the rotation centerline of the first transmission shaft 62 and the inner raceway axis of the second bearing 66 are offset, and the inner raceway axis of the second bearing 66 refers to the centerline of the inner raceway of the second bearing 66 along the axial direction of the first transmission shaft 62, so that the axis offset between the rotation centerline of the first transmission shaft 62 and the stirring shaft 4 generates vibration, and the stirring shaft 4 is driven to vibrate by the high-speed operation of the first transmission shaft 62; by adopting this technical solution, the stirring shaft 4 has a simple structure, and the shaft end seal is easy to disassemble and maintain.

[0044] The second vibration exciting device 8 includes a first transmission shaft mounting seat 61, a first transmission shaft 62 and a first bearing seat 64. The first transmission shaft 62 is inserted into the first transmission shaft mounting seat 61 through at least two first bearings 63. One end of the first transmission shaft 62 extends out of the first transmission shaft mounting seat 61, and the other end extends out of the first transmission shaft mounting seat 61 and is connected to the inner ring of the second bearing 66. The outer ring of the second bearing 66 is connected to the inner wall of the first bearing seat 64. The first bearing seat 64 is fixedly connected to one end of the stirring shaft 4. The rotation centerline of the first transmission shaft 62 is offset from the inner raceway axis of the second bearing 66, and the stirring shaft 4 is driven to vibrate by the high-speed operation of the first transmission shaft 62. By adopting this technical solution, the stirring shaft 4 has a simple structure, and the shaft end seal is easy to disassemble and maintain.

[0045] A synchronous transmission device 10 is provided between the first vibration excitation device 6 and the second vibration excitation device 8. On the one hand, the first vibration excitation device 6 and the second vibration excitation device 8 adopt one power source, which saves manufacturing cost; on the other hand, the stirring shaft 4 is configured as a hollow shaft, and the synchronous transmission device 10 includes a first synchronous transmission shaft 101, and the first synchronous transmission shaft 101 is passed through the hollow shaft. Both ends of the first synchronous transmission shaft 101 are respectively connected to the first transmission shafts 62 of the first vibration excitation device 6 and the second vibration excitation device 8 through flanges, so as to realize vibration synchronization of the first vibration excitation device 6 and the second vibration excitation device 8 and improve vibration intensity.

[0046] The first transmission shaft 62 may include a connecting shaft section, a supporting shaft section and a third shaft section. The connecting shaft section refers to a shaft section for installing the second bearing 66, the supporting shaft section refers to a shaft section for installing the first bearing 63, and the third shaft section refers to a shaft section other than the supporting shaft section and the connecting shaft section. The connecting shaft section is offset to achieve an offset setting of the rotation centerline of the first transmission shaft 62 and the inner raceway axis of the second bearing 66. In addition to this method, there are various methods such as an eccentric sleeve provided between the first transmission shaft 62 and the second bearing 66 to achieve an axial offset between the rotation centerline of the first transmission shaft 62 and the agitator shaft 4. The inner raceway axis of the second bearing 66 refers to the centerline of the inner raceway of the second bearing 66 along the axial direction of the first transmission shaft 62, so that the rotation centerline of the first transmission shaft 62 and the axis of the agitator shaft 4 are offset to generate vibration.

[0047] The stirring drive device 9 includes a first transmission mechanism 91 and a first stirring drive element 92. The first transmission mechanism 91 is connected to the first transmission shaft mounting seat 61 through the fifth bearing 93, and is connected to the first bearing seat 64 through the first elastic element 94. The first elastic element 94 adopts an elastic coupling, which not only transmits power but also compensates for vibration, thereby reducing the influence of vibration on the stirring drive device 9 and improving the working reliability of the stirring drive device 9.

[0048] The first excitation device 6 and the second excitation device 8 are respectively provided with a balancing block 11 , so that the first excitation device 6 and the second excitation device 8 can work more stably and improve the reliability of the equipment.

[0049] The first vibration device 6 and the second vibration device 8 have the same offset direction, the same rotation speed, and different offset amounts, which makes it more meaningful to synchronize the vibration devices at both ends, and is also beneficial to improving the vibration intensity, thereby improving the stirring quality and stirring efficiency.

[0050] Embodiment 2:

[0051] like Figure 3As shown, the difference from Example 1 is that: the stirring drive device 9 includes a second transmission mechanism 95 and a second stirring drive element 96, the second transmission mechanism 95 adopts gear transmission, the second transmission mechanism 95 is connected to the second transmission shaft mounting seat 81 through the sixth bearing 97, and is connected to the stirring shaft 4 through the second elastic element 98, and it is also possible to set a transmission frame 99 on the stirring shaft 4, connect the transmission frame 99 with the second elastic element 98, and realize indirect connection between the second elastic element 98 and the stirring shaft 4 through the transmission frame 99, the second transmission mechanism 95 is connected to the outer ring of the sixth bearing 97, and the second transmission shaft mounting seat 81 is connected to the inner ring of the sixth bearing 97; at this time, the stirring drive device 9 is separated from the excitation device, the influence of vibration on the stirring drive device 9 is reduced, and the working reliability of the stirring drive device 9 is improved.

[0052] Embodiment 3:

[0053] like Figure 4 As shown, the difference from Example 1 is that a synchronous transmission device 10 is provided between the first vibration excitation device 6 and the second vibration excitation device 8, and the synchronous transmission device 10 includes a second synchronous transmission shaft 111, and the second synchronous transmission shaft 111 is connected to the third bearing seat 113 through the seventh bearing 112, the second synchronous transmission shaft 111 is connected to the inner ring of the seventh bearing 112, and the third bearing seat 113 is connected to the outer ring of the seventh bearing 112; the third bearing seat 113 is fixedly connected to the frame 1, one end of the second synchronous transmission shaft 111 is connected to the vibration motor output shaft of the first vibration transmission device 65 through a transmission mechanism, and the other end is connected to the first transmission shaft 62 of the second vibration excitation device 8 through a transmission mechanism, the first vibration excitation device 6 and the second vibration excitation device 8 use the same vibration power source, which saves costs; at the same time, an external synchronization method is used to achieve vibration synchronization between the first vibration excitation device 6 and the second vibration excitation device 8, the structure is simple, the processing difficulty is low, it is easy to manufacture, and it is more convenient to install, debug and maintain.

[0054] Embodiment 4:

[0055] like Figure 5As shown, the difference from Example 3 is that: the stirring drive device 9 includes a second transmission mechanism 95 and a second stirring drive element 96, the second transmission mechanism 95 adopts gear transmission, the second transmission mechanism 95 is connected to the second transmission shaft mounting seat 81 through the sixth bearing 97, and is connected to the stirring shaft 4 through the second elastic element 98, and it is also possible to set a transmission frame 99 on the stirring shaft 4, connect the transmission frame 99 with the second elastic element 98, and realize indirect connection between the second elastic element 98 and the stirring shaft 4 through the transmission frame 99, the second transmission mechanism 95 is connected to the outer ring of the sixth bearing 97, and the second transmission shaft mounting seat 81 is connected to the inner ring of the sixth bearing 97; at this time, the stirring drive device 9 is separated from the excitation device, the influence of vibration on the stirring drive device 9 is reduced, and the working reliability of the stirring drive device 9 is improved.

[0056] Embodiment 5:

[0057] like Figure 6 As shown, the difference from Example 4 is that: the first vibration excitation device 6 includes a second transmission shaft mounting seat 81, a second transmission shaft 82 and a second bearing seat 84, the second transmission shaft 82 is inserted into the second transmission shaft mounting seat 81 through at least two third bearings 83, one end of the second transmission shaft 82 extends out of the second transmission shaft mounting seat 81 and is connected to the second vibration transmission device 85, the second vibration transmission device 85 includes a transmission mechanism and a vibration motor, the vibration motor provides the driving force required for vibration, the second transmission shaft 82 is connected to the vibration motor through the transmission mechanism, and the transmission mechanism can adopt gear transmission, synchronous belt transmission, etc.; the other end of the second transmission shaft 82 extends out of the second transmission shaft mounting seat 81 and is fixedly connected to the second bearing seat 84, the inner wall of the second bearing seat 84 is connected to the outer ring of the fourth bearing 86, the stirring shaft 4 is connected to the inner ring of the fourth bearing 86, the rotation center line of the second transmission shaft 82 is offset from the outer raceway axis of the fourth bearing 86, and the The outer raceway axis of the fourth bearing 86 refers to the center line of the outer raceway of the fourth bearing 86 along the axial direction of the second transmission shaft 82, so that the rotation center line of the second transmission shaft 82 and the axis line between the stirring shaft 4 are offset to produce vibration; the second bearing seat 84 can be used to install the inner hole offset setting of the fourth bearing 86 and other methods to achieve the offset setting of the rotation center line of the second transmission shaft 82 and the outer raceway axis of the fourth bearing 86. In addition, the second bearing seat 84 and the outer ring of the fourth bearing 86 are provided with an eccentric sleeve and other other methods to achieve the offset setting of the rotation center line of the second transmission shaft 82 and the outer raceway axis of the fourth bearing 86; the outer raceway axis of the fourth bearing 86 refers to the center line of the outer raceway of the fourth bearing 86 along the axial direction of the second transmission shaft 82, so that the rotation center line of the second transmission shaft 82 and the axis line between the stirring shaft 4 are offset to produce vibration, and the stirring shaft 4 is driven to vibrate through the high-speed operation of the second transmission shaft 82; adopting this technical solution, the vibration excitation device has fewer parts and a simple structure.

[0058] The second vibration excitation device 8 includes a second transmission shaft mounting seat 81, a second transmission shaft 82 and a second bearing seat 84. The second transmission shaft 82 is inserted into the second transmission shaft mounting seat 81 through at least two third bearings 83. One end of the second transmission shaft 82 extends out of the second transmission shaft mounting seat 81, and the other end of the second transmission shaft 82 extends out of the second transmission shaft mounting seat 81 and is fixedly connected to the second bearing seat 84. The inner wall of the second bearing seat 84 is connected to the outer ring of the fourth bearing 86, and the stirring shaft 4 is connected to the inner ring of the fourth bearing 86. The rotation centerline of the second transmission shaft 82 is offset from the outer raceway axis of the fourth bearing 86. The outer raceway axis of the fourth bearing 86 refers to the centerline of the outer raceway of the fourth bearing 86 along the axial direction of the second transmission shaft 82, so that the rotation centerline of the second transmission shaft 82 and the axis of the stirring shaft 4 are offset to generate vibration, and the stirring shaft 4 is driven to vibrate by the high-speed operation of the second transmission shaft 82. By adopting this technical solution, the vibration excitation device has fewer parts and a simple structure.

[0059] One end of the second synchronous transmission shaft 111 is connected to the vibration motor output shaft of the second vibration transmission device 85 through a transmission mechanism, and the other end is connected to the second transmission shaft 82 of the second vibration exciting device 8 through a transmission mechanism. The transmission mechanism can adopt synchronous belt transmission, gear transmission, etc.; the first vibration exciting device 6 and the second vibration exciting device 8 use the same vibration power source to save costs; at the same time, an external synchronization method is adopted to achieve the vibration synchronization of the first vibration exciting device 6 and the second vibration exciting device 8, which has a simple structure, low processing difficulty, easy manufacturing, and more convenient installation, debugging and maintenance.

[0060] Embodiment 6:

[0061] like Figure 7As shown, the difference from Example 3 is that: the first vibration exciting device 6 includes a first transmission shaft mounting seat 61, a first transmission shaft 62 and a first bearing seat 64, the first transmission shaft 62 is inserted into the first transmission shaft mounting seat 61 through at least two first bearings 63, one end of the first transmission shaft 62 extends out of the first transmission shaft mounting seat 61 and is connected to a first vibration transmission device 65, the first vibration transmission device 65 includes a transmission mechanism and a vibration motor, the vibration motor provides the driving force required for vibration, the first transmission shaft 62 is connected to the vibration motor through the transmission mechanism, and the transmission mechanism can adopt gear transmission, synchronous belt transmission, etc.; the other end of the first transmission shaft 62 extends out of the first transmission shaft mounting seat The rear of the seat 61 is connected to the inner ring of the second bearing 66, the outer ring of the second bearing 66 is connected to the inner wall of the first bearing seat 64, the first bearing seat 64 is fixedly connected to one end of the stirring shaft 4, the rotation center line of the first transmission shaft 62 and the inner raceway axis of the second bearing 66 are offset, the inner raceway axis of the second bearing 66 refers to the center line of the inner raceway of the second bearing 66 along the axial direction of the first transmission shaft 62, so that the rotation center line of the first transmission shaft 62 and the axis of the stirring shaft 4 are offset to generate vibration, and the stirring shaft 4 is driven to vibrate by the high-speed operation of the first transmission shaft 62; adopting this technical solution, the stirring shaft 4 has a simple structure, and the shaft end seal is easy to disassemble and maintain;

[0062] The second vibration exciting device 8 includes a second transmission shaft mounting seat 81, a second transmission shaft 82 and a second bearing seat 84. The second transmission shaft 82 is inserted into the second transmission shaft mounting seat 81 through at least two third bearings 83. One end of the second transmission shaft 82 extends out of the second transmission shaft mounting seat 81, and the other end of the second transmission shaft 82 extends out of the second transmission shaft mounting seat 81 and is fixedly connected to the second bearing seat 84. The inner wall of the second bearing seat 84 is connected to the outer ring of the fourth bearing 86, and the stirring shaft 4 is connected to the inner ring of the fourth bearing 86. The rotation centerline of the second transmission shaft 82 is offset from the outer raceway axis of the fourth bearing 86. The outer raceway axis of the fourth bearing 86 refers to the centerline of the outer raceway of the fourth bearing 86 along the axial direction of the second transmission shaft 82, so that the rotation centerline of the second transmission shaft 82 and the axis of the stirring shaft 4 are offset to generate vibration, and the stirring shaft 4 is driven to vibrate by the high-speed operation of the second transmission shaft 82. With this technical solution, the vibration exciting device has fewer parts and a simple structure.

[0063] One end of the second synchronous transmission shaft 111 is connected to the vibration motor output shaft of the first vibration transmission device 65 through a transmission mechanism, and the other end is connected to the second transmission shaft 82 of the second vibration exciting device 8 through a transmission mechanism. The first vibration exciting device 6 and the second vibration exciting device 8 use the same vibration power source to save costs. At the same time, an external synchronization method is used to achieve vibration synchronization between the first vibration exciting device 6 and the second vibration exciting device 8. The structure is simple, the processing difficulty is low, it is easy to manufacture, and it is more convenient to install, debug and maintain.

[0064] Embodiment 7:

[0065] like Figure 8 As shown, the difference from Example 6 is that: the stirring drive device 9 includes a second transmission mechanism 95 and a second stirring drive element 96, the second transmission mechanism 95 adopts gear transmission, the second transmission mechanism 95 is connected to the second transmission shaft mounting seat 81 through a sixth bearing 97, and is connected to the stirring shaft 4 through a second elastic element 98, and a transmission frame 99 can also be set on the stirring shaft 4, the transmission frame 99 is connected to the second elastic element 98, and the second elastic element 98 is indirectly connected to the stirring shaft 4 through the transmission frame 99; at this time, the stirring drive device 9 is separated from the excitation device, the influence of vibration on the stirring drive device 9 is reduced, and the working reliability of the stirring drive device 9 is improved.

[0066] In the present invention, when there are at least two stirring shafts 4, a second synchronous transmission device 12 is provided between the stirring drive devices 9, and the two stirring shafts 4 are rotated synchronously by the second synchronous transmission device 12. The second synchronous transmission device 12 can be gear-driven.

[0067] The first vibration excitation device 6 and the second vibration excitation device 8 may also be provided with a cooling system for cooling the first vibration excitation device 6 and the second vibration excitation device 8 to prevent the temperature of internal bearings and other components from being too high, thereby improving the reliability of the operation of the first vibration excitation device 6 and the second vibration excitation device 8.

[0068] 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 double-ended vibrating mixer, comprising a frame, a mixing cylinder arranged on the frame, a mixing device arranged through the mixing cylinder, the mixing device comprising a mixing shaft, a shaft end seal being arranged at the connection between the mixing shaft and the mixing cylinder, characterized in that: One end of the stirring shaft passes through the shaft end seal and is connected to the first vibration excitation device, and the other end passes through the shaft end seal and is connected to the composite transmission device, the composite transmission device includes a second vibration excitation device and a stirring drive device, the second vibration excitation device is connected to the stirring drive device, the first vibration excitation device and the second vibration excitation device cause the stirring device to vibrate simultaneously during the stirring process, the stirring drive device drives the stirring shaft to rotate, and a synchronous transmission device is provided between the first vibration excitation device and the second vibration excitation device; The stirring drive device is rotatably supported on the second vibration device and is coaxially designed with the rotation center of the transmission shaft of the second vibration device to achieve single-end dual power input. The stirring drive device is connected to either the second vibration device or the stirring shaft using an elastic element.

2. A double-ended vibrating mixer according to claim 1, characterized in that: The first vibration excitation device includes a first transmission shaft mounting seat, a first transmission shaft and a first bearing seat, the first transmission shaft is inserted into the first transmission shaft mounting seat through at least two first bearings, one end of the first transmission shaft extends out of the first transmission shaft mounting seat and is connected to the first vibration transmission device, the other end extends out of the first transmission shaft mounting seat and is connected to the inner ring of the second bearing, the outer ring of the second bearing is connected to the inner wall of the first bearing seat, the first bearing seat is fixedly connected to one end of the stirring shaft, the rotation centerline of the first transmission shaft is offset from the inner raceway axis of the second bearing, the inner raceway axis of the second bearing refers to the centerline of the inner raceway of the second bearing along the axial direction of the first transmission shaft, so that the first transmission shaft drives the stirring shaft to vibrate when it runs at a high speed; The second vibration excitation device includes a first transmission shaft mounting seat, a first transmission shaft and a first bearing seat. The first transmission shaft is inserted into the first transmission shaft mounting seat through at least two first bearings. One end of the first transmission shaft extends out of the first transmission shaft mounting seat, and the other end extends out of the first transmission shaft mounting seat and is connected to the inner ring of the second bearing. The outer ring of the second bearing is connected to the inner wall of the first bearing seat. The first bearing seat is fixedly connected to one end of the stirring shaft. The rotation centerline of the first transmission shaft is offset from the inner raceway axis of the second bearing, so that the first transmission shaft drives the stirring shaft to vibrate when it runs at a high speed.

3. A double-ended vibrating mixer according to claim 1, characterized in that: The first vibration excitation device includes a second transmission shaft mounting seat, a second transmission shaft and a second bearing seat, the second transmission shaft is inserted into the second transmission shaft mounting seat through at least two third bearings, one end of the second transmission shaft extends out of the second transmission shaft mounting seat and is connected to the second vibration transmission device, the other end of the second transmission shaft extends out of the second transmission shaft mounting seat and is fixedly connected to the second bearing seat, the inner wall of the second bearing seat is connected to the outer ring of the fourth bearing, the stirring shaft is connected to the inner ring of the fourth bearing, the rotation centerline of the second transmission shaft is offset from the outer raceway axis of the fourth bearing, the outer raceway axis of the fourth bearing refers to the centerline of the outer raceway of the fourth bearing along the axial direction of the second transmission shaft, so that the axis offset between the rotation centerline of the second transmission shaft and the stirring shaft generates vibration, so that the second transmission shaft drives the stirring shaft to vibrate when it runs at a high speed; The second vibration excitation device includes a second transmission shaft mounting seat, a second transmission shaft and a second bearing seat. The second transmission shaft is inserted into the second transmission shaft mounting seat through at least two third bearings. One end of the second transmission shaft extends out of the second transmission shaft mounting seat, and the other end of the second transmission shaft extends out of the second transmission shaft mounting seat and is fixedly connected to the second bearing seat. The inner wall of the second bearing seat is connected to the outer ring of the fourth bearing, and the stirring shaft is connected to the inner ring of the fourth bearing. The rotation centerline of the second transmission shaft is offset from the outer raceway axis of the fourth bearing. The outer raceway axis of the fourth bearing refers to the centerline of the outer raceway of the fourth bearing along the axial direction of the second transmission shaft, so that the rotation centerline of the second transmission shaft and the axis of the stirring shaft are offset to generate vibration, so that the second transmission shaft drives the stirring shaft to vibrate when it runs at a high speed.

4. A double-ended vibrating mixer according to claim 1, characterized in that: The first vibration excitation device includes a first transmission shaft mounting seat, a first transmission shaft and a first bearing seat, the first transmission shaft is inserted into the first transmission shaft mounting seat through at least two first bearings, one end of the first transmission shaft extends out of the first transmission shaft mounting seat and is connected to the first vibration transmission device, the other end extends out of the first transmission shaft mounting seat and is connected to the inner ring of the second bearing, the outer ring of the second bearing is connected to the inner wall of the first bearing seat, the first bearing seat is fixedly connected to one end of the stirring shaft, the rotation centerline of the first transmission shaft is offset from the inner raceway axis of the second bearing, the inner raceway axis of the second bearing refers to the centerline of the inner raceway of the second bearing along the axial direction of the first transmission shaft, so that the rotation centerline of the first transmission shaft and the axis of the stirring shaft are offset to generate vibration, so that the first transmission shaft drives the stirring shaft to vibrate when running at a high speed; The second vibration excitation device includes a second transmission shaft mounting seat, a second transmission shaft and a second bearing seat. The second transmission shaft is inserted into the second transmission shaft mounting seat through at least two third bearings. One end of the second transmission shaft extends out of the second transmission shaft mounting seat, and the other end of the second transmission shaft extends out of the second transmission shaft mounting seat and is fixedly connected to the second bearing seat. The inner wall of the second bearing seat is connected to the outer ring of the fourth bearing, and the stirring shaft is connected to the inner ring of the fourth bearing. The rotation centerline of the second transmission shaft is offset from the outer raceway axis of the fourth bearing. The outer raceway axis of the fourth bearing refers to the centerline of the outer raceway of the fourth bearing along the axial direction of the second transmission shaft, so that the rotation centerline of the second transmission shaft and the axis of the stirring shaft are offset to generate vibration, so that the second transmission shaft drives the stirring shaft to vibrate when it runs at a high speed.

5. A double-ended vibrating mixer according to claim 2, characterized in that: The stirring drive device comprises a first transmission mechanism and a first stirring drive element. The first transmission mechanism is connected to the first transmission shaft mounting seat via a fifth bearing and is connected to the first bearing seat via a first elastic element.

6. A double-ended vibrating mixer according to claim 3 or 4, characterized in that: The stirring drive device comprises a second transmission mechanism and a second stirring drive element. The second transmission mechanism is connected to the second transmission shaft mounting seat via a sixth bearing and is connected to the stirring shaft via a second elastic element.

7. A double-ended vibrating mixer according to claim 2, characterized in that: The stirring shaft is a hollow shaft, and the synchronous transmission device includes a first synchronous transmission shaft. The first synchronous transmission shaft is inserted into the hollow shaft, and two ends of the first synchronous transmission shaft are respectively connected to the first excitation device and the second excitation device.

8. A double-ended vibrating mixer according to any one of claims 2 to 4, characterized in that: The synchronous transmission device includes a second synchronous transmission shaft, the second synchronous transmission shaft is connected to the third bearing seat through a seventh bearing, the third bearing seat is fixedly connected to the frame, and both ends of the second synchronous transmission shaft are respectively connected to the first vibration excitation device and the second vibration excitation device.

9. A double-ended vibrating mixer according to claim 1, characterized in that: The first excitation device and the second excitation device are respectively provided with a balancing block.

10. A double-ended vibrating mixer according to claim 1, characterized in that: The first excitation device and the second excitation device have the same offset direction.

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