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 connected to the second vibration exciting device, the first vibration exciting device and the second vibration exciting device causing the stirring device to vibrate simultaneously during the stirring process, and the stirring driving device driving the stirring shaft to rotate; 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 particles, 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. However, the effect of vibration stirring 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, the stirring shaft is arranged through the stirring cylinder, a shaft end seal is arranged at the connection between the stirring shaft and the stirring cylinder, one end of the stirring shaft passes through the shaft end seal and is connected to a first vibration excitation device, and the other end passes through the shaft end seal and is connected to a composite transmission device, the composite transmission device comprises 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 stirring, and the stirring drive device drives the stirring shaft to rotate.

[0005] Optionally, the first vibration excitation device and the second vibration excitation device both include 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 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.

[0006] Optionally, the first vibration excitation device and the second vibration excitation device both include 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 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 stirring shaft is driven to vibrate when the second transmission shaft runs at a high speed.

[0007] 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 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;

[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 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, 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 stirring shaft is driven to vibrate when the second transmission shaft runs at a high speed.

[0009] 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 elastic element.

[0010] 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 elastic element.

[0011] Optionally, a first synchronous transmission device is provided between the first excitation device and the second excitation device.

[0012] Optionally, the stirring shaft is a hollow shaft, and the first 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.

[0013] Optionally, the first 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.

[0014] Optionally, a balancing block is fixedly disposed on the first excitation device and the second excitation device respectively.

[0015] Optionally, when there are two stirring shafts, a second synchronous transmission device is provided between the stirring drive devices, and the two stirring shafts are rotated synchronously by the second synchronous transmission device.

[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 both ends, making the vibration more stable; when the internal synchronization mode 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 mode 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 structural diagram 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 structural diagram 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, first synchronous transmission device, 101, first synchronous transmission shaft, 111, second synchronous transmission shaft, 112, seventh bearing, 113, third bearing seat, 114, third transmission mechanism, 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 eccentricity of the 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 2As shown, a double-end vibrating mixer comprises a frame 1, a mixing cylinder 2 arranged on the frame 1, a mixing device 3 arranged through the mixing cylinder 2, the mixing device 3 comprises a mixing shaft 4, the mixing shaft 4 is arranged through the mixing cylinder 2, a shaft end seal 5 is arranged at the connection between the mixing shaft 4 and the mixing cylinder 2, and the shaft end seal 5 is used for sealing 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, and the shaft end seal 5 can adopt a metal rubber sealing ring, or other sealing methods; The composite transmission device 7 includes a second vibration excitation device 8 and a stirring drive device 9 connected to the second vibration excitation device 8. The stirring drive device 9 is rotatably supported on the second vibration excitation device 8. The first vibration excitation device 6 and the second vibration excitation device 8 cause the stirring device 3 to vibrate during stirring, and the stirring drive device 9 drives the stirring shaft 4 to rotate. The first vibration excitation device 6 and the second vibration excitation device 8 are arranged to realize double-end excitation and perform a double-end independent balancing design. The stirring device 3 has a large vibration intensity and is evenly distributed along the axial direction. The vibration parameters are stable, the mixture is mixed more uniformly, and the stirring quality and stirring efficiency are effectively improved.

[0042] The composite transmission device 7 adopts a coaxial composite transmission of the stirring drive device 9 and the second vibration device 8. The stirring drive device 9 is rotatably supported on the second vibration device 8 and is coaxially designed with the rotation center of the transmission shaft of the second vibration device 8 to achieve single-end dual power input. The stirring drive device 9 adopts an elastic element to be connected to the second vibration device 8 or the stirring shaft 4, which not only transmits power but also reduces the structural complexity of the stirring drive device 9, reduces the impact 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 excitation device 6 and the second excitation device 8 both include 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 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 the 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 of the first transmission shaft 62 extends out of the first transmission shaft mounting seat 61 and is connected to the first bearing seat 64 through a second bearing 66. The first transmission shaft 62 is connected to the inner ring of the second bearing 66, and 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 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. 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 eccentrically arranged, so as to realize the offset arrangement of the rotation center line of the first transmission shaft 62 and the inner raceway axis of the second bearing 66. In addition to this method, there are many other methods such as an eccentric sleeve arranged between the first transmission shaft 62 and the second bearing 66 to realize the axis offset between the rotation center line of the first transmission shaft 62 and the stirring shaft 4. 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 axis offset between the rotation center line 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. With this technical solution, the stirring shaft 4 has a simple structure, and the shaft end seal is easy to disassemble and maintain.

[0044] The stirring drive device 9 includes a first transmission mechanism 91 and a first stirring drive element 92. The first transmission mechanism 91 adopts gear transmission, and the first stirring drive element 92 adopts a motor. The first transmission mechanism 91 is connected to the first transmission shaft mounting seat 61 through the fifth bearing 93, the first transmission mechanism 91 is connected to the outer ring of the fifth bearing 93, and the first transmission shaft mounting seat 61 is connected to the inner ring of the fifth bearing 93; the first transmission mechanism 91 is connected to the first bearing seat 64 through the first elastic element 94, and the first elastic element 94 adopts an elastic coupling, which not only transmits power but also reduces the influence of vibration on the stirring drive device 9, thereby improving the working reliability of the stirring drive device 9.

[0045] 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.

[0046] When there are 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.

[0047] The first vibration device 6 and the second vibration device 8 have the same offset direction, and here the first vibration device 6 and the second vibration device 8 are not offsetly installed; that is, the offset direction of the transmission shafts of the first vibration device 6 and the second vibration device 8 is the same; the rotation speeds of the first vibration device 6 and the second vibration device 8 are the same, and the offset amounts may be different, 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.

[0048] A first synchronous transmission device 10 is provided between the first vibration device 6 and the second vibration device 8. The stirring shaft 4 is a hollow shaft. The first synchronous transmission device 10 includes a first synchronous transmission shaft 101. The first synchronous transmission shaft 101 is passed through the hollow shaft. Both ends of the first synchronous transmission shaft 101 are connected to the first transmission shaft 62 through flanges respectively, so as to realize the synchronization of the first vibration device 6 and the second vibration device 8. When this internal synchronization method is adopted, the space utilization rate of the equipment of the present invention can be improved and the transmission noise can be reduced.

[0049] Embodiment 2:

[0050] like Figure 3 As shown, the difference from Example 1 is that: a first synchronous transmission device 10 is arranged between the first vibration excitation device 6 and the second vibration excitation device 8, the first synchronous transmission device 10 includes a second synchronous transmission shaft 111, 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, and the two ends of the second synchronous transmission shaft 111 are respectively connected to the vibration motor output shaft of the first vibration transmission device 65 through a transmission mechanism, and the transmission mechanism can be a gear transmission, a synchronous belt transmission, etc.; this external synchronization method is used to achieve the vibration synchronization of 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 the installation, debugging and maintenance are more convenient.

[0051] Embodiment 3:

[0052] like Figure 4As 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 stirring drive element 96 adopts a motor, 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.

[0053] Embodiment 4:

[0054] like Figure 5 As shown, the difference from Example 3 is that: a first synchronous transmission device 10 is provided between the first vibration excitation device 6 and the second vibration excitation device 8, the first synchronous transmission device 10 includes a second synchronous transmission shaft 111, 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, and both ends of the second synchronous transmission shaft 111 are respectively connected to the vibration motor output shaft of the first vibration transmission device 65 through a transmission mechanism. This external synchronization method is used to achieve vibration synchronization of the first vibration excitation device 6 and the second vibration excitation device 8, with a simple structure, low processing difficulty, easy manufacturing, and more convenient installation, debugging and maintenance.

[0055] Embodiment 5:

[0056] like Figure 6As shown, the difference from Example 4 is that: the first excitation device 6 and the second excitation device 8 both include 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 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, and the second vibration transmission device 85 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 axis line of the outer raceway of the fourth bearing 86. The offset setting of the rotation center line of the second transmission shaft 82 and the axis line of the outer raceway of the fourth bearing 86 can be achieved by various means such as the offset setting of the inner hole of the second bearing seat 84 for installing the fourth bearing 86. In addition, the offset setting of the rotation center line of the second transmission shaft 82 and the axis line of the outer raceway of the fourth bearing 86 can be achieved by various other means such as an eccentric sleeve is arranged between the second bearing seat 84 and the outer ring of the fourth bearing 86; the axis line of the outer raceway 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 axis offset between the rotation center line of the second transmission shaft 82 and the stirring shaft 4 generates vibration, and the stirring shaft 4 is driven to vibrate by 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.

[0057] Embodiment 6:

[0058] like Figure 7As shown, the difference from Example 2 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 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 extends out of the first transmission shaft mounting seat After installation, 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, and the rotation centerline of the first transmission shaft 62 is offset from the inner raceway axis of the second bearing 66. 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 through 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.

[0059] 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 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 a 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 a transmission mechanism. The transmission mechanism can be 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 After installation, the seat 81 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 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 axis offset between the rotation centerline of the second transmission shaft 82 and the stirring shaft 4 generates vibration, and the stirring shaft 4 is driven to vibrate by 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.

[0060] The two ends of the second synchronous transmission shaft 111 are respectively connected to the vibration motor output shaft of the first vibration excitation device 6 and the vibration motor output shaft of the second vibration excitation device 8 through a transmission mechanism. This external synchronization method is used to achieve the vibration synchronization of the first vibration excitation device 6 and the second vibration excitation device 8. It has a simple structure, low processing difficulty, easy manufacturing, and more convenient installation, debugging, and maintenance.

[0061] Embodiment 7:

[0062] 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 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.

[0063] The first vibration excitation device 6 and the second vibration excitation device 8 are 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.

[0064] 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 stirring, and the stirring drive device drives the stirring shaft to rotate; 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 and the second vibration excitation device both include 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 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, 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. 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.

3. A double-ended vibrating mixer according to claim 1, characterized in that: The first excitation device and the second excitation device both include 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 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 stirring shaft is driven to vibrate when the second transmission shaft 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 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 and the inner raceway axis of the second bearing are offset, 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 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 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 stirring shaft is driven to vibrate when the second transmission shaft 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 1, characterized in that: The first excitation device and the second excitation device are respectively provided with a balancing block.

8. A double-ended vibrating mixer according to claim 1, characterized in that: There are two stirring shafts, and a second synchronous transmission device is arranged between the stirring drive devices, so that the two stirring shafts can rotate synchronously through the second synchronous transmission device.

9. 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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