JP3036156U - Manual lifting type agitator - Google Patents

Abstract

(57) [Abstract] [PROBLEMS] The present invention relates to a rotary stirrer, and an impeller can be easily moved up and down manually. An embodiment of the present invention will be described. The driving machine 1 is fixed to the head of the pedestal 2 and the splined upper shaft 4 is connected via a joint 7. Further, a spline nut is provided at the upper end and the impeller 6 is inserted into the tubular lower shaft 5 joined to the lower end. The lower shaft 5 is suspended and held by an intermediate bearing stand 3 having a freely rotatable bearing built therein. The lever 8 having the guide hole C connects the pin A of the intermediate bearing base 3 and the pin B serving as a fulcrum at the center of the base 2.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a rotary stirrer equipped with a lifting device for an impeller.

[0002]

[Prior art]

 Conventionally, a stirrer is generally used that moves up and down the entire machine including the drive machine, agitation shaft and impeller by a cylinder or screw drive shaft provided on the support column of the frame.

[0003]

[Problems to be solved by the device]

 In a stirrer equipped with an elevating device, the weight of the stirrer including the drive, stirrer shaft and impeller is large, and the structure must withstand the vibration and torque generated by the rotation of the drive. In this case, the lifting device needs to be made stronger. Also, the force required for vertical movement of the lifting mechanism such as the cylinder and screw drive shaft is large, so the entire agitator including the lifting device and the pedestal must be upsized. The present invention eliminates these drawbacks.

[0004]

[Means for Solving the Problems]

 An embodiment of the present invention will be described below with reference to FIG. The driving machine 1 is fixed to the head of the gantry 2 and the splined upper shaft 4 is connected via a joint 7. Further, a spline nut is provided at the upper end, and the impeller 6 is inserted into the tubular lower shaft 5 joined to the lower end. This lower shaft 5 is suspended and held by an intermediate bearing stand 3 having a freely rotatable bearing built therein. The lever 8 having the guide hole C connects the pin A of the intermediate bearing base 3 and the pin B serving as a fulcrum at the center of the base 2.

[0005]

[Embodiment of the invention]

 As shown by the solid line in FIG. 1, when the lever 8 is in the lowered state, the rotary motion of the driving machine 1 fixed to the head of the pedestal 2 is transmitted through the joint 7 to the splined upper shaft 4 It is transmitted to the lower shaft 5 which is suspended by an intermediate bearing stand 3 containing a freely rotatable bearing and has a spline nut at the upper end and which is tubular processed. Normally, in this descending and suspended state, stirring is performed by the impeller 6 joined to the lower end of the lower shaft 5. Next, as shown by the imaginary line, manually pull up the lever 8 to the raised state. At this time, the lever 8 makes a semi-circular movement with the pin at the center of the gantry as a fulcrum. Since the pin A of the intermediate bearing stand 3 slides in the guide hole C of the lever 8, the semicircular motion changes to a linear motion along the spline of the upper shaft 4 and rises. The upper shaft 4 is inserted into the tubular portion of the lower shaft 5 to complete the ascending.

[0006]

【Example】

 FIG.

[0007]

[Effect of the invention]

 According to the present invention, as compared with the conventional one in which the entire unit including the drive unit, the stirring shaft, and the impeller is moved up and down, the drive unit remains fixed to the head of the pedestal and the vibration and torque generated by the weight and rotation of the drive unit. Since the fixed pedestal directly receives the load and only the lower shaft that connects the intermediate bearing pedestal and the impeller moves up and down, it is possible to easily move up and down by the vertical movement of the hand. The power required for lifting and lowering is low, and the effects of reducing the weight and size of the entire agitator including the pedestal, including the lifting device, can be expected without loss of function.

[Brief description of the drawings]

FIG. 1 shows an embodiment of a manual lifting type agitator according to the present invention. 1 Drive unit 2 Frame 3 Intermediate bearing base 4 Upper shaft 5 Lower shaft 6 Impeller 7 Joint 8 Lever A pin B Bin C Guide hole

Claims (1)

[Utility model registration claims] 1. A driving machine 1 is fixed to a head of a pedestal 2, and a splined upper shaft 4 is connected via a joint 7.
A spline nut is provided at the upper end and the impeller 6 is inserted into the tubular lower shaft 5 joined to the lower end. Rotate a shaft assembly in a suspended state in which the lower shaft 5 is suspended and held by an intermediate bearing base 3 having a freely rotatable bearing built in by manually moving up and down by a lever 8 with a pin at the center of the base 2 as a fulcrum. Manual elevating stirrer featuring an elevating mechanism that is conductive and can expand and contract.