Bidirectional rack counterweight lifting device of button bit sharpening machine
Technical Field
The invention belongs to mechanical lifting equipment, and particularly relates to a bidirectional rack counterweight lifting device of a button bit sharpening machine.
Background
The bidirectional rack counterweight lifting device is a part on a button bit sharpening machine, and at present, the same type of lifting device is fed by electric control, hydraulic pressure and the like, an electric control system is required to be introduced into the electric control, and the hydraulic pressure is required to be introduced into the hydraulic system, so that the precision can be ensured, but the sensitivity is insufficient.
In view of the above, the bidirectional rack counterweight lifting device for the button bit sharpening machine provided by the invention realizes the lifting function by utilizing a mechanical mode, adjusts the feeding quantity through the bidirectional rack counterweight, effectively improves the machining precision and the sharpening efficiency while improving the sensitivity, and has the advantages of simple structure, low cost and suitability for severe working conditions.
Disclosure of Invention
Technical problem to be solved
The invention mainly aims to realize the lifting function by utilizing a mechanical mode, is used on a button bit sharpening machine, effectively realizes the machining precision by adjusting the feeding quantity through the bidirectional rack counterweight, increases the safety coefficient and is beneficial to the button bit sharpening machine to work under severe conditions.
Technical proposal adopted for solving the technical problems
In order to solve the technical problems, the invention is realized by the following technical scheme:
A bidirectional rack counterweight lifting device of a button bit sharpening machine mainly comprises a counterweight gearbox and a counterweight assembly; the counterweight gear box is fixed with the gear box mounting plate through bolts, and the gear box mounting plate is fixed with the rack through bolts; the counterweight gear box is provided with a bidirectional rack meshing transmission mechanism, and in order to improve the moving speed of the lifting support rack, the lifting support rack in the bidirectional rack meshing transmission mechanism is meshed with the large gear, and the counterweight pull-down rack is meshed with the small gear; the upper end of the lifting support rack is fixedly arranged below the main shaft mounting plate through flange connection; in order to reduce the labor intensity of operators, a balancing weight component is arranged at the lower end of the pull-down rack, and the balancing weight component is fixedly connected with the balancing weight pull-down rack through a flange; the balancing weight component runs in the balancing weight guide groove.
The gear ratio of the pinion to the large gear is 1:3.
The bidirectional rack counterweight lifting device of the button bit sharpening machine is characterized in that the opening of the flange is a square hole.
Advantageous effects
When the invention is used, the weight is balanced according to the sum of the pressures generated by the mass of the parts on the spindle motor mounting plate, and the lifting device is lighter when ascending or descending.
The bidirectional rack counterweight lifting device of the button bit sharpening machine provided by the invention has the advantages of simple structure and low cost, and the feeding quantity is regulated through the bidirectional rack counterweight, so that the sensitivity and the processing efficiency are improved, the safety coefficient is increased, and the bidirectional rack counterweight lifting device can adapt to severe working conditions.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
The marks in the figure: 1. a spindle mounting plate; 2. lifting the support rack; 3. the balance weight pulls down the rack; 4. a counterweight gear box; 5. a pinion gear; 6. a large gear; 7. a gear box mounting plate; 8. a frame; 9. a balancing weight guide groove; 10. a flange; 11. and a counterweight block.
Detailed Description
The following detailed description will be made of specific embodiments, structures, features and effects of a bidirectional rack counterweight lifting device for a button bit sharpening machine according to the present invention, with reference to the accompanying drawings and preferred embodiments.
Referring to the attached drawings, a bidirectional rack counterweight lifting device of a button bit sharpening machine mainly comprises a counterweight gearbox 4 and a counterweight assembly 11; the counterweight gear box 4 is fixed with the gear box mounting plate 7 through bolts, and the gear box mounting plate 7 is fixed with the frame 8 through bolts; the counterweight gear box 4 is provided with a bidirectional rack meshing transmission mechanism, the lifting support rack 2 is meshed with the large gear 6 in the bidirectional rack meshing transmission mechanism, and the counterweight pull-down rack 3 is meshed with the small gear 5; the upper end of the lifting support rack 2 is fixedly connected below the spindle mounting plate 1 through a flange 10; in order to reduce the labor intensity of operators, a balancing weight and counterweight assembly 11 is arranged at the lower end of the pull-down rack 3, and the balancing weight and counterweight assembly 11 is fixedly connected with the balancing weight pull-down rack 3 through a flange 10; the balancing weight component 11 runs in the balancing weight guide groove 9; the gear ratio of the small gear 5 to the large gear 6 is 1:3; the openings of the flange 10 are square openings.
When the invention is used, the lifting of the main shaft mounting plate 1 is realized through the control handle, the centering mechanism is adjusted, the handle is pressed down, the descending of the lifting support rack 2 is realized through the meshing of the lifting support rack 2 and the large gear 6 and the meshing of the counterweight pull-down rack 3 and the small gear 5, the main shaft mounting plate 1 is driven to descend for centering, the handle is lifted after the centering is finished, the centering mechanism is reset, the speed reducer and the grinding head are opened, and the worn drill bit is polished by the pressing handle.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the invention in any way, and any simple modification, equivalent variation and variation of the above embodiment according to the technical matter of the present invention still fall within the scope of the technical scheme of the present invention.