A kind of vibration exciter
Technical field
The present invention relates to a kind of vibratory equipment, particularly a kind of vibration exciter.
Background technique
At present, vibratory equipment extensive use in industries such as the energy, metallurgy, pottery, building materials, chemical industry.Away from resonance, such vibratory equipment will pass through resonance region when start or shutdown when most of vibratory equipments were worked, and amplitude at this moment is the several times of working amplitude, and this phenomenon is very big to the effect on service life of vibratory equipment, and is big to the impact force of ground; Secondly, during the vibratory equipment start, because the quality and the throw of eccentric of eccentric mass are big, causes motor starts difficulty.Variable wheels vibration exciter is to utilize the acting in conjunction of pressure fluid and spring to change the position of eccentric mass, the excitation force of realizing vibration exciter from zero to peaked adjustment.The structure of existing variable wheels vibration exciter needs pressure fluid to get into from the both sides of vibration exciter respectively, so can only be applied on the common vibrating motor, can not on common vibration exciter, use.
Summary of the invention
The present invention has remedied the deficiency of existing technology, and a kind of vibration exciter is provided, and this vibration exciter makes vibratory equipment amplitude when start or shutdown little; Prolonged the life-span of equipment; Protected ground, reduced the startup load of motor simultaneously, and can on common vibration exciter, use.
Device of the present invention is; It comprises vibration exciter seat, bearing, main shaft, removable eccentric mass, eccentric mass cylinder, spring and land, and in the vibration exciter seat, land is arranged in the two ends of main shaft to main shaft through Bearing Installation; The eccentric mass cylinder is arranged on the land; Removable eccentric mass is assembled in the eccentric mass cylinder, and spring is installed between removable eccentric mass and the eccentric mass cylinder, and main shaft is provided with the passage of pressure fluid.Removable eccentric mass is provided with piston.Land is provided with fixed eccentric block.
Vibratory equipment when start, regulate pressure fluid and make removable eccentric mass move to the opposite of fixed eccentric block, starting electrical machinery afterwards; When treating that vibration exciter reaches desired speed; Regulate the position that pressure fluid changes removable eccentric mass again, thus the amplitude of adjustment vibratory equipment, during the vibratory equipment shutdown; Regulate pressure fluid and make removable eccentric mass move to the opposite of fixed eccentric block, turn off motor afterwards.
Compared with prior art, the present invention has following beneficial effect:
1, excitation force of the present invention is prone to regulate;
2, applied range of the present invention;
3, the present invention is prone to realize maximizing.
Description of drawings
Fig. 1 is the schematic representation of first embodiment of the invention
Fig. 2 is that the A of Fig. 1 of the present invention is to view
Fig. 3 is that the B of Fig. 2 of the present invention is to view
Fig. 4 is the schematic representation of second embodiment of the invention
Fig. 5 is the schematic representation of third embodiment of the invention
Embodiment
Embodiment 1, in Fig. 1 to Fig. 3, a kind of formula vibration exciter 1 is provided; It comprises vibration exciter seat 2, bearing 3, main shaft 4, removable eccentric mass 9, eccentric mass cylinder 8, spring 11, fixed eccentric block 7 and land 6, and main shaft 4 is installed in 2 li of vibration exciter seats through bearing 3, and main shaft 4 is provided with pressure air passage 5; Land 6 is arranged in the two ends of main shaft 4; Fixed eccentric block 7 is made into one with land 6, and eccentric mass cylinder 8 is arranged on the land 6, and removable eccentric mass 9 is assembled to 8 li in eccentric mass cylinder; Removable eccentric mass 9 is processed into one with piston 10; Spring 11 is installed between removable eccentric mass 9 and the eccentric mass cylinder 8 and is arranged in fixed eccentric block 7 homonymies, and the eccentric mass cylinder 8 on the right is connected with motor through Hooks coupling universal coupling 15, and diverter valve 12 and swivel joint 13 are installed on the eccentric mass cylinder 8 on the left side; Swivel joint 13 is connected with the pressure air control system; Pneumatic hose 14 (1) is connected with diverter valve 12 with pneumatic hose 14 (2), and pneumatic hose 14 (1) is communicated with the eccentric mass cylinder 8 on the left side, and pneumatic hose 14 (2) is communicated with the eccentric mass cylinder 8 on the right through the pressure air passage on the main shaft 45.
Embodiment 2, in Fig. 4, a kind of flange plate type vibration exciter 21 are provided; It comprises vibration exciter seat 22, bearing 23, main shaft 24, removable eccentric mass 29, eccentric mass cylinder 28, spring 31, fixed eccentric block 27 and land 26; Main shaft 24 is installed in 22 li of vibration exciter seats through bearing 23, and flange plate type vibration exciter 21 is installed on the side plate 35 of vibratory equipment through vibration exciter seat 22, and main shaft 24 is provided with pressure air passage 25; Land 26 is arranged in the two ends of main shaft 24; Fixed eccentric block 27 is made into one with land 26, and eccentric mass cylinder 28 is arranged on the land 26, and removable eccentric mass 29 is assembled to 28 li in eccentric mass cylinder; Removable eccentric mass 29 is processed into one with piston 30; Spring 31 is installed between removable eccentric mass 29 and the eccentric mass cylinder 28 and is arranged in fixed eccentric block 27 homonymies, and eccentric mass cylinder 28 (4) is connected with motor through Hooks coupling universal coupling 37, and eccentric mass cylinder 28 (2) and eccentric mass cylinder 28 (3) link together through Hooks coupling universal coupling 36; Diverter valve 32 and swivel joint 33 are installed on the eccentric mass cylinder 28 (1); Swivel joint 33 is connected with the pressure air control system, and pneumatic hose 34 (1), pneumatic hose 34 (2), pneumatic hose 34 (3) and pneumatic hose 34 (4) are connected with diverter valve 32, and pneumatic hose 34 (1) is communicated with eccentric mass cylinder 28 (1); Pneumatic hose 34 (2) is communicated with eccentric mass cylinder 28 (2) through the pressure air passage on the main shaft 24 25; Pneumatic hose 34 (3) is communicated with eccentric mass cylinder 28 (3) through the pressure air passage on the main shaft 24 25, and pneumatic hose 34 (4) is communicated with eccentric mass cylinder 28 (4) through the pressure air passage on the main shaft 24 25, and pneumatic hose 34 (3) and pneumatic hose 34 (4) are bundled in the outside of Hooks coupling universal coupling 36.
Embodiment 3, in Fig. 5, a kind of cartridge type vibration exciter 41 are provided; It comprises vibration exciter seat 42, bearing 43, main shaft 44, removable eccentric mass 49, eccentric mass cylinder 48, spring 51, fixed eccentric block 47 and land 46; Main shaft 44 is installed in 42 li of vibration exciter seats through bearing 43, and cartridge type vibration exciter 41 is installed on the side plate 55 of vibratory equipment through vibration exciter seat 42, and main shaft 44 is provided with pressure air passage 45; Land 46 is arranged in the two ends of main shaft 44; Fixed eccentric block 47 is made into one with land 46, and eccentric mass cylinder 48 is arranged on the land 46, and removable eccentric mass 49 is assembled to 48 li in eccentric mass cylinder; Removable eccentric mass 49 is processed into one with piston 50; Spring 51 is installed between removable eccentric mass 49 and the eccentric mass cylinder 48 and is arranged in fixed eccentric block 47 opposites, and the eccentric mass cylinder 48 on the right is connected with motor through Hooks coupling universal coupling 56, and diverter valve 52 and swivel joint 53 are installed on the eccentric mass cylinder 48 on the left side; Swivel joint 53 is connected with the pressure air control system; Pneumatic hose 54 (1) is connected with diverter valve 52 with pneumatic hose 54 (2), and pneumatic hose 54 (1) is communicated with the eccentric mass cylinder 48 on the left sides, and pneumatic hose 54 (2) is communicated with and is communicated with the eccentric mass cylinder 48 on the right with pressure air passage 45 on the main shaft 44.
The present invention can be applied on the vibrating motor equally.
The invention discloses a kind of vibration exciter; Though more than enumerated less embodiment, for those of ordinary skill in the art, to some remodeling that the present invention did, improvement, replacement etc.; Perhaps above-mentioned mode of execution is made any combination and variation, all drops within protection scope of the present invention.