A high-strength blender shaft assembly

Abstract

The application discloses a high-strength mixer rotating shaft assembly, and belongs to the technical field of mixer transmission mechanisms, which is used for providing a high-strength mixer rotating shaft assembly with lower renewal cost, comprising a main shaft sleeve, a main shaft core, stirring rods and a plug, the main shaft sleeve comprises a sleeve, the upper end of the sleeve is provided with a lower flange, the inside of the sleeve is provided with a plug-in cavity penetrating through the lower flange, the sleeve is provided with a transverse outer channel penetrating through the inner and outer walls, the main shaft core comprises a plug-in shaft, which is adapted to be located in the plug-in cavity, the upper end of the plug-in shaft is provided with an upper flange, the inside of the plug-in shaft is provided with a longitudinal channel penetrating through the upper flange, the plug-in shaft is provided with a transverse inner channel penetrating through the inner and outer walls, and the transverse outer channel and the transverse inner channel are adapted to be penetrated. According to the application, the double-layer structure of the main shaft sleeve and the main shaft core is designed, all the stirring rods are constrained by the plug-in part, the main shaft sleeve located in the outermost layer bears the impact, and only the main shaft sleeve needs to be replaced when the rotating shaft assembly is renewed, so that the replacement cost of the rotating shaft assembly is effectively reduced.

Description

Technical Field

[0001] This application relates to the field of mixer transmission mechanism technology, and in particular to a high-strength mixer shaft assembly. Background Technology

[0002] Some mixers need to mix hard materials, which can cause mechanical damage to the shaft assembly when they impact it. When the mechanical damage to the shaft assembly reaches a certain level, it can only be replaced with a new shaft assembly, and the cost of a complete shaft assembly is relatively high. Utility Model Content

[0003] The purpose of this application is to provide a newer, lower-cost, high-strength mixer shaft assembly.

[0004] To achieve the above objectives, this application provides a high-strength mixer shaft assembly: comprising a main shaft sleeve, a main shaft core, stirring rods, and a pin. The main shaft sleeve includes a sleeve with a lower flange at its upper end and a mating cavity penetrating the lower flange inside the sleeve. The sleeve has a transverse outer channel penetrating the inner and outer walls. The main shaft core includes a plug shaft adapted to be located within the mating cavity. The plug shaft has an upper flange at its upper end and a longitudinal channel penetrating the upper flange inside the plug shaft. The plug shaft has a transverse inner channel penetrating the inner and outer walls, adapted to pass through the aligned transverse outer and transverse inner channels. The stirring rod has a central through hole penetrating its outer side, adapted to be aligned with the longitudinal channel. The pin includes a pin rod adapted to simultaneously pass through the longitudinal channel and the central through hole, limiting the movement of all stirring rods.

[0005] As a preferred embodiment, the sleeve has several transverse outer channels, which are equidistantly arranged along the length of the sleeve; the number and position of the transverse inner channels of the insertion shaft correspond to the transverse outer channels, and the transverse outer channels and transverse inner channels are adapted to be aligned one-to-one for the stirring rod to pass through.

[0006] Preferably, the number of stirring rods is the same as the number of aligned transverse outer channels and transverse inner channels, and the pin engages with all the stirring rods to prevent all the stirring rods from moving around.

[0007] As a preferred embodiment, the cross-section of the mating cavity is elliptical, and the cross-section of the mating shaft is also elliptical, to prevent the main spindle core from rotating relative to the main sleeve, thereby enabling more stable torque transmission.

[0008] As a preferred embodiment, the projections of the transverse outer channel and the transverse inner channel on the plane in the up-down and front-back directions are elliptical, and the longitudinal section of the stirring rod is also elliptical, which also serves to prevent the stirring rod from rotating and makes it easier to align the hole and groove structure.

[0009] As a preferred embodiment, the lower flange has several lower through holes arranged at equal intervals around the shaft, and the upper flange has several upper through holes arranged at equal intervals around the shaft. The lower through holes and the upper through holes are aligned one by one, allowing bolts and other connecting parts to pass through and achieve a fixed connection with the output end of the mixer driver.

[0010] As a preferred embodiment, the upper end of the upper flange is provided with a groove communicating with the longitudinal channel, and the upper end of the pin has a limiting ring, which is suitable for sinking in the groove, so as to ensure the flatness of the mating surface between the cover shaft assembly and the output end of the mixer driver.

[0011] As a preferred embodiment, the upper end of the limiting ring is provided with a relief cavity, and the limiting ring is fixedly connected to the inner wall of the relief cavity with a handle, so as to facilitate the staff to pull out the pin.

[0012] Compared with the prior art, the beneficial effects of this application are as follows:

[0013] (1) By designing a double-layer structure of main shaft sleeve and main shaft core, and using plug-in parts to constrain all stirring rods, the outermost main shaft sleeve is able to withstand impact damage. When updating the shaft assembly, only the main shaft sleeve needs to be replaced, which effectively reduces the cost of the shaft assembly.

[0014] (2) The hole and groove structure of this design is easy to align, the assembly process is smoother and more efficient, the assembly efficiency is improved, and the torque is transmitted to the main sleeve and the main spindle core through two flanges at the same time, which disperses the force on the individual components, resulting in a higher fit and better structural stability. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of the overall structure of the high-strength mixer shaft assembly.

[0016] Figure 2 This is a three-dimensional sectional view of the overall structure of the high-strength mixer shaft assembly.

[0017] Figure 3 This is a three-dimensional structural diagram of the mixing rod and main shaft core of the high-strength mixer shaft assembly.

[0018] Figure 4 A three-dimensional cross-sectional view of the stirring rod of the high-strength mixer shaft assembly, which is limited relative to the main shaft core by a pin.

[0019] Figure 5 This is a three-dimensional cross-sectional view of the main shaft core of the high-strength mixer shaft assembly.

[0020] Figure 6 This is a three-dimensional schematic diagram of the pin component of the high-strength mixer shaft assembly.

[0021] Figure 7 This is a three-dimensional cross-sectional view of the main shaft sleeve of the high-strength mixer shaft assembly.

[0022] Figure 8 This is a three-dimensional structural diagram of the stirring rod of the high-strength mixer shaft assembly.

[0023] In the diagram: 1. Main shaft sleeve; 101. Sleeve; 102. Lower flange; 103. Insertion cavity; 104. Transverse outer channel; 105. Lower through hole; 2. Main shaft core; 201. Insertion shaft; 202. Upper flange; 203. Longitudinal channel; 204. Transverse inner channel; 205. Sink; 206. Upper through hole; 3. Stirring rod; 301. Central through hole; 4. Pin; 401. Pin rod; 402. Limiting ring; 403. Relief cavity; 404. Handle. Detailed Implementation

[0024] The present application will be further described below with reference to specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0025] In the description of this application, it should be noted that the directional terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this application.

[0026] It should be noted that the terms "first," "second," etc., in the specification and claims of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0027] The terms “comprising” and “having”, and any variations thereof, in the specification and claims of this application are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or device.

[0028] like Figure 1-8The high-strength mixer shaft assembly shown includes four parts: a main shaft sleeve 1, a main shaft core 2, stirring rods 3, and pins 4. There is one main shaft sleeve 1, one main shaft core 2, and one pin 4. There are usually several stirring rods 3. The main shaft sleeve 1 includes a cylindrical sleeve 101. The upper end of the sleeve 101 has a coaxial lower flange 102. The lower flange 102 has several lower through holes 105 arranged equidistantly around the shaft. The sleeve 101 has a mating cavity 103 that passes through the lower flange 102. The mating cavity 103 has an elliptical cross-section. The sleeve 101 has a transverse outer channel 104 that passes through the inner and outer walls and connects to the mating cavity 103. There are several transverse outer channels 104 in the sleeve 101. These transverse outer channels 104 are arranged equidistantly along the length of the sleeve 101, so that after the stirring rods 3 pass through, all the stirring rods 3 can be constrained to be arranged equidistantly.

[0029] The spindle core 2 includes a plug-in shaft 201, which also has an elliptical cross-section, allowing it to be inserted precisely into the mating cavity 103. This prevents the spindle core 2 from rotating relative to the spindle sleeve 1 and ensures alignment between the transverse outer channel 104 and the transverse inner channel 204. The upper end of the plug-in shaft 201 has a coaxial upper flange 202. The upper flange 202 has several upper through holes 206 equidistantly arranged around the shaft. The lower through holes 105 are aligned with the upper through holes 206 for bolts. The connecting parts pass through and are fixedly connected to the output end of the mixer driver. The plug shaft 201 has a longitudinal channel 203 that passes through the upper flange 202. The cross-section of the longitudinal channel 203 is circular. The plug shaft 201 has a transverse inner channel 204 that passes through the inner and outer walls. The number and position of the transverse inner channels 204 opened by the plug shaft 201 correspond to the transverse outer channels 104. The transverse outer channels 104 and the transverse inner channels 204 are suitable for one-to-one alignment so that the stirring rod 3 can pass through.

[0030] It should be noted that the number of stirring rods 3 needs to be the same as the number of aligned transverse outer channels 104 and transverse inner channels 204. In this way, the inserted stirring rods 3 can fill the gaps on the sleeve 101 and the insertion shaft 201. The projections of the transverse outer channels 104 and transverse inner channels 204 on the plane in the up-down and back-forward directions are elliptical. The longitudinal section of the stirring rods 3 is also elliptical. The stirring rods 3 can pass through the aligned transverse outer channels 104 and transverse inner channels 204 and are restricted from rotation. The stirring rods 3 also have a central through hole 301 that penetrates the outer side. Since the elliptical stirring rods 3 are restricted from relative rotation, the central through hole 301 can be stably aligned with the longitudinal channel 203.

[0031] The pin 4 includes a cylindrical pin 401, which can pass through both the longitudinal channel 203 and the central through hole 301. In fact, the pin 401 will be inserted and engaged with all the stirring rods 3. The upper end of the upper flange 202 has a recess 205 that communicates with the longitudinal channel 203. The upper end of the pin 401 has a limiting ring 402 that is recessed into the recess 205. The upper end of the limiting ring 402 is flush with the upper end face of the upper flange 202. The upper end of the limiting ring 402 has a relief cavity 403. The limiting ring 402 has a handle 404 fixedly connected to the inner wall of the relief cavity 403. The assembly worker can put his hand into the relief cavity 403, grasp the handle 404, and lift the pin 4 for easy disassembly and assembly.

[0032] Assembly method: First, lay the spindle sleeve 1 flat. Insert the insertion shaft 201 of the spindle core 2 into the mating cavity 103. Due to the constraint of the elliptical mating shape, the spindle core 2 cannot rotate relative to the spindle sleeve 1. When the insertion shaft 201 is inserted to the bottom of the mating cavity 103, all the transverse inner channels 204 and transverse outer channels 104 will be aligned one by one. Then, the corresponding number of stirring rods 3 can be passed through the aligned transverse inner channels 204 and transverse outer channels 104 until the central through hole 301 of all stirring rods 3 is aligned with the longitudinal channel 203. Then, the pin 401 of the pin 4 can be inserted into the longitudinal channel 203. The pin 401 will pass through the central through hole of all stirring rods 3. The central through hole 301 prevents the inserted stirring rod 3 from moving. Finally, the entire shaft assembly is erected with the flange facing upwards. The lower flange 102 and the upper flange 202 are fixedly connected to the output end of the mixer driver using bolts and nuts. When the driver transmits torque to the stirring rod 3, it is transmitted to the insert shaft 201 and the sleeve 101 through the upper flange 202 and the lower flange 102 respectively, effectively dispersing the force on individual components. When the shaft assembly collides with a hard object, the main shaft sleeve 1 is mainly damaged, while the main shaft core 2 and the pin 4 are basically undamaged. Therefore, when the shaft assembly needs to be replaced, a large part does not need to be replaced, so the replacement cost is relatively low.

[0033] The basic principles, main features, and advantages of this application have been described above. Those skilled in the art should understand that this application is not limited to the above embodiments. The embodiments and descriptions in the specification are merely the principles of this application. Various changes and modifications can be made to this application without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection claimed by this application is defined by the appended claims and their equivalents.

Claims

1. A high-strength mixer shaft assembly, characterized in that, include: The main shaft sleeve (1) includes a sleeve (101), the upper end of the sleeve (101) has a lower flange (102), the sleeve (101) has an insertion cavity (103) that passes through the lower flange (102), and the sleeve (101) has a transverse outer channel (104) that passes through the inner and outer walls. The main spindle core (2) includes a plug shaft (201) adapted to be located in the mating cavity (103). The upper end of the plug shaft (201) has an upper flange (202). The plug shaft (201) has a longitudinal channel (203) that passes through the upper flange (202) inside. The plug shaft (201) has a transverse inner channel (204) that passes through the inner and outer walls. The stirring rod (3) is adapted to pass through the aligned transverse outer channel (104) and transverse inner channel (204), and the stirring rod (3) has a central through hole (301) that penetrates the outer side, adapted to be aligned with the longitudinal channel (203); The pin (4) includes a pin (401) adapted to pass through both the longitudinal channel (203) and the central through hole (301).

2. The high strength blender shaft assembly of claim 1, wherein: The sleeve (101) has several transverse outer channels (104), which are equidistantly arranged along the length of the sleeve (101); the number and position of the transverse inner channels (204) of the insertion shaft (201) correspond to the transverse outer channels (104), and the transverse outer channels (104) and transverse inner channels (204) are adapted to be aligned one-to-one.

3. The high-strength mixer shaft assembly as described in claim 2, characterized in that: The number of stirring rods (3) is the same as the number of aligned transverse outer channels (104) and transverse inner channels (204), and the pin (401) is inserted into all of the stirring rods (3).

4. The high-strength mixer shaft assembly as described in claim 3, characterized in that: The cross-section of the insertion cavity (103) is elliptical, and the cross-section of the insertion shaft (201) is also elliptical.

5. The high-strength mixer shaft assembly as described in claim 2, characterized in that: The projections of the transverse outer channel (104) and the transverse inner channel (204) on the plane in the up-down and front-back directions are elliptical, and the longitudinal section of the stirring rod (3) is also elliptical.

6. The high-strength mixer shaft assembly as described in claim 1, characterized in that: The lower flange (102) has a plurality of lower through holes (105) arranged equidistantly around the shaft, and the upper flange (202) has a plurality of upper through holes (206) arranged equidistantly around the shaft. The lower through holes (105) and the upper through holes (206) are aligned one by one.

7. The high-strength mixer shaft assembly as described in any one of claims 1 to 6, characterized in that: The upper flange (202) has a sinker (205) at its upper end that communicates with the longitudinal channel (203), and the upper end of the pin (401) has a limiting ring (402) that is suitable for sinking in the sinker (205).

8. The high-strength mixer shaft assembly as described in claim 7, characterized in that: The upper end of the limiting ring (402) is provided with a relief cavity (403), and the limiting ring (402) has a handle (404) fixedly connected to the inner wall of the relief cavity (403).

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