CN104028446A - Linear vibrator - Google Patents

Linear vibrator Download PDF

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Publication number
CN104028446A
CN104028446A CN201410256191.8A CN201410256191A CN104028446A CN 104028446 A CN104028446 A CN 104028446A CN 201410256191 A CN201410256191 A CN 201410256191A CN 104028446 A CN104028446 A CN 104028446A
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China
Prior art keywords
shaft
straight
driven
workbench
power transmission
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CN201410256191.8A
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Chinese (zh)
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CN104028446B (en
Inventor
陈崇炯
南秀蓉
虞琛嫣
何梦宇
潘建乐
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Wenzhou Tongqing Vehicle Industry Co ltd
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Wenzhou Polytechnic
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Abstract

The invention discloses a linear vibrator. The linear vibrator comprises a bottom plate, a working table, a driving mechanism, a working table lifting impact mechanism and a working table linear vibrating mechanism, wherein the driving mechanism comprises a motor, and driven transmission shafts are driven by middle transmission shafts to rotate; the working table lifting impact mechanism comprises rotating discs fixedly arranged on the driven transmission shafts, and push heads are fixedly arranged on peripheries of the rotating discs; a push base matched with each push head is fixedly arranged in a position, opposite to the upper side of each push head, of the bottom surface of the working table; the working table linear vibrating mechanism comprises longitudinal guide columns fixedly arranged on the bottom plate at intervals, the working table is arranged on the longitudinal guide columns in a longitudinal sliding and guided manner, and the longitudinal guide columns between the working table and the bottom plate are sleeved with vibration springs. The linear vibrator has the advantages that the linear vibrator is reasonable in structural design, the torque output by the motor is converted into linear vibration of the working table, the energy conversion rate is high, and the linear vibrator is stable and reliable to use.

Description

Straight-line oscillation machine
Technical field
The present invention relates to a kind of vibrative machine, especially a kind of machine that produces straight-line oscillation.
Background technology
Straight-line oscillation machine is the plant equipment that produces straight-line oscillation, and its application is very extensive, as: can be applied in vibratory sieve the coarse and fine separation for product; Also can be for powder jolt ramming in mould, form product, in addition also can also be for detection of the deburring of product vibration-resistant property and metal and the nonmetal various parts of making, derust, rounding and brilliant polish operation.
In prior art, bobbing machine mainly contains two kinds:
Be a curve bobbing machine, it drives a pair of eccentric wheel to rotate by motor, produces centrifugal force, forming curves vibration.The shortcoming that this traditional curve bobbing machine exists is: the direction of (1) its vibration cannot keep rectilinear direction accurately, and the direction of the centrifugal force that produces of eccentric wheel is not positioned at same rectilinear direction completely according to the principle of Mechanics Vector stack, cause unnecessary energy dissipation; (2) vibration force depends critically upon eccentric size, for some, need the equipment of larger vibration power, need to be by eccentric size design very large, not only cause equipment volume huge, but also make the driving force of motor require high, improved the cost of equipment.
Another kind of straight-line oscillation machine utilizes linear type vibration motor to realize.As Chinese patent literature CN101488679B discloses a kind of flat linear vibrating motor, it comprises upper cover, coordinate with upper cover form spatial accommodation pedestal, be contained in spatial accommodation and be positioned at coil on pedestal, be connected in elastic supporting member for supporting optical member on pedestal, by the supported and suspended permanent magnet in spatial accommodation of elastic supporting member for supporting optical member, pedestal is provided with some sidewalls and perpendicular to the diapire of sidewall, coil is arranged on diapire and is positioned at the bottom center position of permanent magnet, between coil and permanent magnet, has gap.Wherein, the magnetic pole of permanent magnet is over against coil, and permanent magnet is contrary over against the polarised direction of the magnetic pole of coil.In use, permanent magnet moves along the direction that is parallel to base bottom wall under the effect of magnetic field force, thereby form to be parallel to, flat edge is installed the direction that is parallel to base bottom wall and carries out linear oscillator.This linear type vibration motor is generally used for the vibration of the mini-plants such as electromagnetic vibrator, medical stoner, mobile phone, and its straight-line oscillation power is difficult to meet the requirement of the aspect such as jolt ramming product in operating mode enterprise.
Summary of the invention
The object of the invention is the shortcoming and defect existing in order to overcome prior art, and provide a kind of reasonable in design, the straight-line oscillation machine that straight-line oscillation power is reliable and stable.
For achieving the above object, technical scheme of the present invention is: include base plate, workbench, driving mechanism, workbench promotes beater mechanism and workbench straight-line oscillation mechanism, described workbench straight-line oscillation mechanism includes interval and is fixedly installed on and on base plate, has at least two longitudinal guide pillars, described workbench straight skidding guide pin bushing is arranged on longitudinal guide pillar, sheathed vibrating spring on longitudinal guide pillar between this workbench and base plate, described driving mechanism includes motor and driven driving-shaft assembly, described driven driving-shaft assembly comprises at least two bearings that are arranged at base plate upper surface, the driven power transmission shaft of this bearing support, the rotation of described driven power transmission shaft is driven by motor, described workbench promotes beater mechanism and comprises ejector apparatus and ejection seat, this ejector apparatus interlock is arranged on driven power transmission shaft, with driven power transmission shaft, rotate, and on this ejector apparatus, be provided with ejection head, the bottom surface of described workbench is fixedly installed and an ejection ejection seat that stressed ejection support coordinates with respect to the top of each ejector apparatus.
By this setting, by motor, drive driven power transmission shaft to rotate, and then make the ejection head of ejector apparatus do periodic rotary, in this rotation period, ejection head rises constantly by the ejection seat jack-up of its top, and then workbench is lifted, along with ejector apparatus is rotated further, when ejection head leaves workbench, the workbench generation acceleration that thereupon declines, thereby produce, impact, the vibrating spring effect that this impacts along with longitudinal guide pillar, is converted into straight-line oscillation.The present invention relies on ejection head by workbench periodicity jack-up and falls, rely on the gravity of workbench self, produce acceleration of gravity, and then change straight vibration, because the direction of acceleration of gravity is consistent with the direction of longitudinal guide pillar, motor electric energy converts linear oscillator energy substantially to.Therefore, structural design is very reasonable, and capacity usage ratio is high, and the conversion ratio of the linear vibrational energy of power conversion is high.
Further arrange is that described workbench straight-line oscillation mechanism also includes the quantity flange form linear bearing corresponding with longitudinal guide pillar, this flange form linear bearing includes linear bearing portion and the ring flange for being fixedly connected with workbench, and the upper end guiding of described longitudinal guide pillar is arranged in flange form linear bearing.By this setting, it is rolling friction that this flange form linear bearing makes longitudinally guiding between workbench and longitudinal guide pillar, and frictional force is little, light abrasion, and, improve service life.
On described base plate, be fixedly installed the lower spring cup corresponding with the ring flange of flange form linear bearing, the two ends of described vibrating spring act on respectively ring flange and the lower spring cup that is connected to linear bearing.By this setting, make the installation of vibrating spring can keep longitudinal direction, thereby ensured the linear characteristic of vibration.
Further arrange is that ejector apparatus that described workbench promotes beater mechanism includes interlock and is installed on the rotary disk on driven power transmission shaft, described ejection head includes and axially wears the bearing pin that is fixed on rotary disk periphery, the two ends of this bearing pin are fixedly installed respectively deep groove ball bearing, described ejection seat includes the L-type top board of a pair of mirror image symmetry, and two deep groove ball bearings on bearing pin contact with the lower surface ejection of two L-type top boards respectively.By this setting, between the ejection head making and ejection seat, be rolling friction, jack-up resistance is little, and light abrasion improves service life, and the force structure that jack-up is supported is more reliable and more stable.
Further arranging is that described driven driving-shaft assembly includes two covers, and the axis of the power transmission shaft of the driven driving-shaft assembly of this two cover is arranged in parallel, and the coaxial joint rotation of driven power transmission shaft on the driven driving-shaft assembly of every cover is provided with the rotary disk of two spaces.By this setting, improved the stressing conditions of workbench, guarantee that workbench moves smoothly.
Further arranging is to be provided with deep groove ball bearing in described bearing, and described driven power transmission shaft rotates connection with this deep groove ball bearing and coordinates.By this setting, make the rotation of driven power transmission shaft more steady, frictional resistance is less.
Further arranging is that described motor is fixedly installed on the lower surface of base plate, on the line shaft of this motor, coaxial linkage is provided with Power Available Shaft, on this Power Available Shaft, be provided with two active synchronization belt wheels that the radius of gyration is identical, on the upper surface of described base plate, be provided with respectively the two cover middle synchronous pulley axle assembly corresponding with the driven driving-shaft assembly of two covers, in the middle of every cover, synchronous pulley axle assembly comprises and is fixedly installed on two intermediate supports of base plate upper surface and is arranged at two intermediate propeller shafts between intermediate support, in the middle of described two covers, the intermediate propeller shaft of synchronous pulley axle assembly be arranged in parallel one by one with the driven power transmission shaft of the driven driving-shaft assembly of two covers respectively, and on each intermediate propeller shaft, be linkedly set with Power Available Shaft on the middle synchronous pulley of active synchronization belt wheel synchronous interaction.By this setting, utilize a motor just can synchronously drive the driven driving-shaft assembly of two covers, reduced mechanism's setting, improved the stability of equipment operation.
Further arrange is to be also linkedly set with synchronous input belt wheel on the driven power transmission shaft of described driven driving-shaft assembly, on the intermediate propeller shaft of described middle synchronous pulley axle assembly, be linkedly set with synchronous output pulley, this synchronous output pulley and the synchronous interaction of synchronous input belt wheel.By this setting, carry out double reduction, realize required vibration frequency.
Further arrange is by shaft coupling and Power Available Shaft coaxial linkage on the line shaft of described motor, on the lower surface of described base plate, be provided with the power drive shaft stool of a pair of space, in this power drive shaft stool, be provided with the deep groove ball bearing being rotatably assorted with Power Available Shaft.By this setting, strengthened workbench rectilinear motion stroke, structure is compacter, and transmission resistance is little.
Further arrange is to be provided with die fixing device on described workbench.By this setting, conveniently jolt ramming mould is placed in to workbench by this die fixing device, thereby utilizes the straight-line oscillation that the present invention produces that the material jolt ramming in jolt ramming mould is formed.
In sum, advantage of the present invention is reasonable in design, and the be in line conversion ratio of vibrational energy of the power conversion of motor output is high, and equipment is used reliable and stable.
Below in conjunction with specification drawings and specific embodiments, the present invention is described further.
Accompanying drawing explanation
Fig. 1 specific embodiment of the invention front view;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is specific embodiment of the invention side view.
The specific embodiment
Below by embodiment, the present invention is specifically described; only be used to further illustrate the present invention; can not be interpreted as limiting the scope of the present invention, the technician in this field can make some nonessential improvement and adjustment to the present invention according to the content of foregoing invention.
The specific embodiment of the present invention as Figure 1-3, includes base plate 1, workbench 2, driving mechanism, workbench lifting beater mechanism 3 and workbench straight-line oscillation mechanism 4,
Described workbench straight-line oscillation mechanism 4 includes interval and is fixedly installed on and on base plate, has at least two longitudinal guide pillars 41, described workbench straight skidding guide pin bushing is arranged on longitudinal guide pillar 41, sheathed vibrating spring 42 on longitudinal guide pillar 41 between this workbench 2 and base plate 1, described driving mechanism includes motor 31 and driven driving-shaft assembly 32, described driven driving-shaft assembly 32 comprises at least two bearings 321 that are arranged at base plate 1 upper surface, the driven power transmission shaft 322 of this bearing 321 supporting, the present embodiment bearing 321 includes rolling bearing pedestal 3211 and is arranged at the deep groove ball bearing 3212 in rolling bearing pedestal, described driven power transmission shaft 322 rotates to connect with this deep groove ball bearing 3212 and coordinates, the rotation of described driven power transmission shaft 322 is driven by motor 31, described workbench promotes beater mechanism 4 and comprises ejector apparatus and ejection seat 34, this ejector apparatus interlock is arranged on driven power transmission shaft 322, with driven power transmission shaft 322, rotate, and on this ejector apparatus, be provided with ejection 33, the bottom surface of described workbench 2 is fixedly installed and an ejection ejection seat 34 that 33 stressed ejections supports coordinate with respect to the top of each ejector apparatus.
Ejector apparatus described in the present embodiment includes interlock and is installed on the rotary disk 323 on driven power transmission shaft, this rotary disk coaxial linkage is arranged on driven power transmission shaft 322, the periphery of each rotary disk 323 is fixedly installed ejection 33, the bottom surface of described workbench 2 is fixedly installed with respect to the top of each ejection 33 and the ejection seat 34 coordinating is supported in an ejection 33 stressed ejection, ejection described in the present embodiment 33 includes and axially wears the bearing pin 331 that is fixed on rotary disk periphery, the two ends of this bearing pin are fixedly installed respectively deep groove ball bearing 332, described ejection seat 34 includes the L-type top board 341 of a pair of mirror image symmetry, two deep groove ball bearings 332 on bearing pin 331 coordinate with the lower surface ejection of two L-type top boards 341 respectively.
As above-mentioned setting preferably, driven driving-shaft assembly 32 described in the present embodiment includes two covers, and the axis of the driven power transmission shaft 322 of the driven driving-shaft assembly 32 of this two cover is arranged in parallel, and on the driven driving-shaft assembly 32 of every cover, coaxial joint rotation is provided with the rotary disk 323 of two spaces.In addition, described in the present embodiment, motor 31 is fixedly installed on the lower surface of base plate 1, on the line shaft of described motor 31, pass through shaft coupling 311 and Power Available Shaft 312 coaxial linkages, on the lower surface of described base plate 1, be provided with the power drive shaft stool 313 of a pair of space, in this power drive shaft stool 313, be provided with the deep groove ball bearing 3131 being rotatably assorted with Power Available Shaft 312.
In addition, on described Power Available Shaft 312, be provided with two active synchronization belt wheels 3121 that the radius of gyration is identical, on the upper surface of described base plate 1, be provided with two corresponding with the driven driving-shaft assembly of two covers respectively covers from middle synchronous pulley axle assembly 11, in the middle of every cover, synchronous pulley axle assembly 11 comprises being fixedly installed on two intermediate supports 111 of base plate upper surface and rotating and is arranged at two intermediate propeller shafts 112 between intermediate support, in the middle of described two covers, the intermediate propeller shaft 112 of synchronous pulley axle assembly 11 be arranged in parallel one by one with the driven power transmission shaft 322 of the driven driving-shaft assembly 32 of two covers respectively, and on each intermediate propeller shaft 112, be linkedly set with Power Available Shaft 312 on the middle synchronous pulley 1121 of active synchronization belt wheel 3121 synchronous interactions.
In addition, on the driven power transmission shaft 322 of the driven driving-shaft assembly 32 described in the present embodiment, be also linkedly set with synchronous input belt wheel 3221, on the intermediate propeller shaft 112 of described middle synchronous pulley axle assembly 11, be linkedly set with synchronous output pulley 1122, this synchronous output pulley 1122 and 3221 synchronous interactions of synchronous input belt wheel.
In addition, workbench straight-line oscillation mechanism 4 described in the present embodiment also includes the quantity flange form linear bearing 43 corresponding with longitudinal guide pillar 41, this flange form linear bearing 43 includes linear bearing portion 431 and the ring flange 432 for being fixedly connected with workbench, and the upper end guiding slippage of described longitudinal guide pillar 41 is arranged in flange form linear bearing 43.In addition, be fixedly installed the lower spring cup corresponding with the ring flange 432 of flange form linear bearing 44 on described base plate 1, the two ends of described vibrating spring 42 act on respectively and are connected to ring flange 432 and lower spring cup 44.
In addition, on described workbench 2, be provided with die fixing device 45.

Claims (10)

1. a straight-line oscillation machine, it is characterized in that: include base plate, workbench, driving mechanism, workbench promotes beater mechanism and workbench straight-line oscillation mechanism, described workbench straight-line oscillation mechanism includes interval and is fixedly installed on and on base plate, has at least two longitudinal guide pillars, described workbench straight skidding guide pin bushing is arranged on longitudinal guide pillar, sheathed vibrating spring on longitudinal guide pillar between this workbench and base plate, described driving mechanism includes motor and driven driving-shaft assembly, described driven driving-shaft assembly comprises at least two bearings that are arranged at base plate upper surface, the driven power transmission shaft of this bearing support, the rotation of described driven power transmission shaft is driven by motor, described workbench promotes beater mechanism and comprises ejector apparatus and ejection seat, this ejector apparatus interlock is arranged on driven power transmission shaft, with driven power transmission shaft, rotate, and on this ejector apparatus, be provided with ejection head, the bottom surface of described workbench is fixedly installed and an ejection ejection seat that stressed ejection support coordinates with respect to the top of each ejector apparatus.
2. a kind of straight-line oscillation machine according to claim 1, it is characterized in that: described workbench straight-line oscillation mechanism also includes the quantity flange form linear bearing corresponding with longitudinal guide pillar, this flange form linear bearing includes linear bearing portion and the ring flange for being fixedly connected with workbench, and the upper end guiding of described longitudinal guide pillar is arranged in flange form linear bearing.
3. a kind of straight-line oscillation machine according to claim 2, it is characterized in that: on described base plate, be fixedly installed the lower spring cup corresponding with the ring flange of flange form linear bearing, the two ends of described vibrating spring act on respectively and are connected to ring flange and lower spring cup.
4. a kind of straight-line oscillation machine according to claim 1, is characterized in that: in described bearing, be provided with deep groove ball bearing, described driven power transmission shaft rotates to connect with this deep groove ball bearing and coordinates.
5. a kind of straight-line oscillation machine according to claim 1, it is characterized in that: the ejector apparatus that described workbench promotes beater mechanism includes interlock and is installed on ejection head described in the rotary disk on driven power transmission shaft and includes and axially wear the bearing pin that is fixed on rotary disk periphery, the two ends of this bearing pin are fixedly installed respectively deep groove ball bearing, described ejection seat includes the L-type top board of a pair of mirror image symmetry, and two deep groove ball bearings on bearing pin contact with the lower surface ejection of two L-type top boards respectively.
6. a kind of straight-line oscillation machine according to claim 5, it is characterized in that: described driven driving-shaft assembly includes two covers, and the axis of the driven power transmission shaft of the driven driving-shaft assembly of this two cover is arranged in parallel, and the coaxial joint rotation of driven power transmission shaft on the driven driving-shaft assembly of every cover is provided with the rotary disk of two spaces.
7. a kind of straight-line oscillation machine according to claim 6, it is characterized in that: described motor is fixedly installed on the lower surface of base plate, on the line shaft of this motor, coaxial linkage is provided with Power Available Shaft, on this Power Available Shaft, be provided with two active synchronization belt wheels that the radius of gyration is identical, on the upper surface of described base plate, be provided with respectively the two cover middle synchronous pulley axle assembly corresponding with the driven driving-shaft assembly of two covers, in the middle of every cover, synchronous pulley axle assembly comprises and is fixedly installed on two intermediate supports of base plate upper surface and is arranged at two intermediate propeller shafts between intermediate support, in the middle of described two covers, the intermediate propeller shaft of synchronous pulley axle assembly be arranged in parallel one by one with the driven power transmission shaft of the driven driving-shaft assembly of two covers respectively, and on each intermediate propeller shaft, be linkedly set with Power Available Shaft on the middle synchronous pulley of active synchronization belt wheel synchronous interaction.
8. a kind of straight-line oscillation machine according to claim 7, it is characterized in that: on the driven power transmission shaft of described driven driving-shaft assembly, be also linkedly set with synchronous input belt wheel, on the intermediate propeller shaft of described middle synchronous pulley axle assembly, be linkedly set with synchronous output pulley, this synchronous output pulley and the synchronous interaction of synchronous input belt wheel.
9. a kind of straight-line oscillation machine according to claim 8, it is characterized in that: on the line shaft of described motor by shaft coupling and Power Available Shaft coaxial linkage, on the lower surface of described base plate, be provided with the power drive shaft stool of a pair of space, in this power drive shaft stool, be provided with the deep groove ball bearing being rotatably assorted with Power Available Shaft.
10. a kind of straight-line oscillation machine according to claim 1, is characterized in that: on described workbench, be provided with die fixing device.
CN201410256191.8A 2014-06-10 2014-06-10 Straight-line oscillation machine Active CN104028446B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105797944A (en) * 2015-07-21 2016-07-27 温州职业技术学院 Vertical vibrating device for powder vibratory compaction
CN106345676A (en) * 2016-09-12 2017-01-25 深圳大学 Mechanical vibrating platform with amplitude capable of being continuously adjusted

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000262955A (en) * 1999-03-17 2000-09-26 Sumitomo Heavy Ind Ltd Cleaning device for coating rod
JP2004174309A (en) * 2002-11-25 2004-06-24 Alps Electric Co Ltd Vibration device
CN201693421U (en) * 2010-01-12 2011-01-05 程红日 Polisher for bush-hammered face of stone material
CN202779490U (en) * 2012-09-03 2013-03-13 宁波梅山保税港区英姿汽车科技发展有限公司 Semi-automatic riveting contact equipment
CN103008221A (en) * 2011-09-22 2013-04-03 南京航空航天大学 Mechanical control adjustable type precise horizontal vibration platform
CN203874982U (en) * 2014-06-10 2014-10-15 温州职业技术学院 Linear vibrator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000262955A (en) * 1999-03-17 2000-09-26 Sumitomo Heavy Ind Ltd Cleaning device for coating rod
JP2004174309A (en) * 2002-11-25 2004-06-24 Alps Electric Co Ltd Vibration device
CN201693421U (en) * 2010-01-12 2011-01-05 程红日 Polisher for bush-hammered face of stone material
CN103008221A (en) * 2011-09-22 2013-04-03 南京航空航天大学 Mechanical control adjustable type precise horizontal vibration platform
CN202779490U (en) * 2012-09-03 2013-03-13 宁波梅山保税港区英姿汽车科技发展有限公司 Semi-automatic riveting contact equipment
CN203874982U (en) * 2014-06-10 2014-10-15 温州职业技术学院 Linear vibrator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105797944A (en) * 2015-07-21 2016-07-27 温州职业技术学院 Vertical vibrating device for powder vibratory compaction
CN106345676A (en) * 2016-09-12 2017-01-25 深圳大学 Mechanical vibrating platform with amplitude capable of being continuously adjusted

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