CN112276232B - Servo electric pulse structure - Google Patents
Servo electric pulse structure Download PDFInfo
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- CN112276232B CN112276232B CN202011170130.1A CN202011170130A CN112276232B CN 112276232 B CN112276232 B CN 112276232B CN 202011170130 A CN202011170130 A CN 202011170130A CN 112276232 B CN112276232 B CN 112276232B
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- pulse
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- servo motor
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- energy absorbing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D59/00—Accessories specially designed for sawing machines or sawing devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
Abstract
The invention discloses a servo electric pulse structure which is used for a band sawing machine and comprises a mounting block for fixing a saw blade frame of the band sawing machine, wherein a saw blade pressing device is arranged at the lower end of the mounting block. The invention has the advantages that the long saw dust can be broken by pulse vibration, and the cutting efficiency and the cutting precision are improved; the motor control is adopted, the structure is simple, the setting cost is low, the pulse groove is matched with the pulse block, the pulse frequency is stable, and the control performance is good.
Description
Technical Field
The application relates to the technical field of pulse structures of saw blade equipment, in particular to a servo electric pulse structure.
Background
Under the cutting influence of the natural frequency of a cutting material, saw dust can be generated during cutting of a band saw blade in a metal sawing machine, long saw dust can be bent after being cooled and is easy to wind on the saw blade, and sawing of saw teeth is influenced, so that cutting efficiency and cutting precision are reduced. In order to improve the cutting efficiency of the saw blade and realize chip breaking, a pulse structure is necessary for the saw blade.
The utility model discloses a pulse control's pulse device on saw frame in patent number CN201822138399.6 in the literature, including the saw frame, install the action wheel and the follow driving wheel of controlling the distribution on the saw frame, install the band saw blade between action wheel and the follow driving wheel, saw frame lower extreme is equipped with the band saw blade guide part of controlling the distribution and using with the band saw blade cooperation, be equipped with the pulse drive unit that drives band saw blade guide part and use on the saw frame, this pulse drive unit is equipped with the pulse and goes up piston assembly, with the oil storage kettle and the oil block three way connection that the piston assembly used with the cooperation of pulse goes up piston assembly, pass through the pipe connection between pulse goes up piston assembly, oil storage kettle and the oil block three way connection, wherein oil block three way connection is connected with two band saw blade guide parts. The defects are that: the oil pressure pulse is adopted, the pipeline is provided with a plurality of functional components, a large space is required, the space layout is inconvenient, the equipment is not easy to set, the components of the oil pressure pulse are more, the pulse device is complex as a whole, and the application cost is high.
Disclosure of Invention
Based on the defects in the prior art, the invention provides a servo electric pulse structure which can pulse and break long saw dust, improve cutting efficiency and cutting precision, and has the advantages of simple structure, low setting cost, good shock resistance and long service life.
In order to achieve the above object, the present application adopts the following technical solutions.
A servo electric pulse structure is used for a band sawing machine and comprises an installation block fixed on a saw blade frame of the band sawing machine, and a saw blade pressing device is arranged at the lower end of the installation block. The long saw dust can be broken by pulse vibration, and the cutting efficiency and the cutting precision are improved; the motor control is adopted, the structure is simple, the setting cost is low, the pulse groove is matched with the pulse block, the pulse frequency is stable, and the control performance is good.
Preferably, the saw blade pressing device comprises two groups of saw blade pressing wheel groups which are arranged oppositely and limiting blocks which are arranged oppositely, and the pulse blocks are matched with the limiting blocks. The saw blade pinch roller group and the stopper realize the diversion and the spacing of saw blade, make things convenient for the saw blade cutting, pulse piece and stopper cooperation, when pulse piece pulse vibrations, can feed back the stopper fast to realize the synchronous vibration of saw blade, accomplish the shake of long sawdust and break, feedback efficiency is high.
Preferably, the servo motor pulse structure is provided with two groups on the band sawing machine. The synchronous action of the two groups of servo electric pulse structures which are symmetrically arranged realizes the synchronous vibration of the saw blade up and down, the movement stability of the saw blade is high, and the cutting capability of the saw blade is ensured while the pulse vibration is carried out.
Preferably, the outer end of the pulse block is provided with a rotating shaft, the rotating shaft is rotatably provided with a matching wheel, the axis of the matching wheel is perpendicular to the axis of the pulse wheel, and the lower end of the pulse wheel is in contact with Zhou Cejie of the matching wheel. When the pulse wheel rotates, the pulse groove at the lower end of the pulse wheel is matched with the matched wheel, so that pulse vibration of the pulse block is realized, the matched wheel can be matched with the pulse wheel to synchronously rotate, friction of the matched pulse wheel is reduced, and the movement of the pulse block is facilitated.
Preferably, the pulse grooves are arranged in eight places on the lower end face of the pulse wheel, and the eight places are arranged in a circumferential array around the axis of the pulse wheel. The pulse is stable and uniform, the pulse vibration is reliable, and the chip breaking function of the pulse is convenient to realize.
Preferably, the pulse grooves are provided with even number of channels on the lower end face of the pulse wheel, and the groove depths of the even number of pulse grooves are alternately equal. The groove depths of the adjacent pulse grooves are different, and the generated pulse amplitudes are different, so that pulses with different intensities are provided for the band saw blade, the long saw dust can be cut more conveniently, and the band saw cutting can be completed more conveniently.
Preferably, the pulse grooves are arranged on the lower end face of the pulse wheel, and the groove widths of the pulse grooves are different; the groove widths of the pulse grooves are distributed in an arithmetic progression. The pulse groove has the groove width corresponding to the pulse structure time, and the pulse generation time is differentiated through different groove width settings, so that the band saw blade vibration frequency is changed, the vibration frequency of the band saw blade is changed, resonance is not easy to occur, and the service life of the band saw blade is prolonged.
Preferably, the mounting block is provided with a bracket, the servo motor is fixed on the bracket, the bracket is also provided with a bearing seat, a bearing and a rotating shaft are arranged in the bearing seat, the rotating shaft is connected with a motor shaft of the servo motor through a coupling, and the pulse wheel is fixedly arranged on the rotating shaft. The support is used for the installation of bearing frame and servo motor, when pulse vibrations take place, in order to guarantee the stability and the reliability of impulse action need keep the pulse wheel static, and the setting of support internal rotation axle can be with pulse vibrations all intercepted by the support, and the support is as main support, reduces the influence to servo motor, extension pulse device's life.
Preferably, the pulse block is cuboid, a limit chute matched with the pulse block is arranged in the mounting block, one end of the pulse block is rotationally connected in the limit chute, a pressing block is rotationally arranged on the lower side of the other end of the pulse block, and the pressing block is in contact with the limit block. The pulse block rotates around the connecting axis with the mounting block when being pressed down, and the pressing block can rotate relative to the pulse block, so that the pressing block can be always linearly attached to the limiting block, and stable and reliable pulse is realized.
Preferably, one end of the pressing block is provided with a guide post, and a guide groove matched with the guide post is arranged in the pulse block. The guide post and the guide slot cooperate to prevent the pressing block from excessively rotating, and the pulse action is reliable.
Preferably, the lower end of the pulse wheel is annular, and the cambered surface of the pulse groove is matched with the circumferential surface of the matched wheel. The pulse groove is matched with the matching wheel in a fitting way, collision and impact can not be generated, and the structure is reliable.
Preferably, the two ends of the coupler are provided with necking necks, the support is provided with two parallel positioning blocks, and positioning holes matched with the necking necks are formed in the positioning blocks. The locating block is matched with the necking to realize the supporting limit of the coupler through the locating hole, so that the service life of the coupler is prolonged.
Preferably, the bracket is provided with a static energy absorbing device, the static energy absorbing device comprises a shell, three liquid storage cavities which are separated by a baffle plate and are longitudinally and continuously arranged are arranged in the shell, energy absorbing liquid is arranged in the liquid storage cavities, and capillary holes are formed in the baffle plate; the same side of three stock solution chamber is equipped with the backward flow chamber, and the upper end in backward flow chamber intercommunication upper end in stock solution chamber at upper strata, the lower extreme in backward flow chamber intercommunication lower extreme in stock solution chamber at lower floor. The stability in the height needs to be guaranteed to support, servo motor and pulse wheel, consequently, can not set up dynamic energy-absorbing structure, the static energy-absorbing structure of this application can accomplish the flow of energy-absorbing liquid through the feedback of energy-absorbing liquid to vibrations, thereby with the kinetic energy of vibration energy conversion into energy-absorbing liquid, when static, the liquid seal effect of capillary holes can let the energy-absorbing liquid of every stock solution intracavity can not flow each other, and when pulse vibrations, the pulse vibrations can let the energy-absorbing liquid overcome capillary hole acting, flow downwards under the action of gravity, the energy-absorbing liquid of the stock solution intracavity of lower floor flows back in the backward flow chamber again, vibrations can be converted into energy-absorbing liquid's heat energy and kinetic energy, realize static energy-absorbing, improve the life of support, the shaft coupling, servo motor etc..
Preferably, a rotating blade is arranged in the backflow cavity, the rotating blade is fixed on an energy-absorbing shaft connected with the wall surface of the backflow cavity, the energy-absorbing shaft is in rotary sealing connection with the wall surface of the backflow cavity, and the outer end of the energy-absorbing shaft is provided with the energy-absorbing blade. When the energy absorbing liquid in the backflow cavity flows upwards, the rotating blades rotate along with the energy absorbing liquid, and finally the energy absorbing shaft and the energy absorbing blades are driven to rotate and are converted into wind energy which is blown outwards, and dust prevention outside the support can be achieved.
The invention has the following beneficial effects: the device can pulse and shake long saw dust, improves cutting efficiency and cutting precision, has simple structure, low setting cost, good shock resistance and long service life; the feedback efficiency is high.
Drawings
Fig. 1 is a schematic view of the structure of the present invention on a blade holder.
Fig. 2 is a schematic structural view of a first embodiment of the present invention.
Fig. 3 is an exploded view of the embodiment shown in fig. 1.
Fig. 4 is an internal cross-sectional view of the embodiment shown in fig. 1.
Fig. 5 is a schematic view of the lower end of the pulse wheel in the embodiment shown in fig. 1.
FIG. 6 is a schematic illustration of the internal structure of a static energy absorbing structure in accordance with a second embodiment of the present invention.
Fig. 7 is a schematic view of the lower end of the pulse wheel according to the third embodiment of the present invention.
Fig. 8 is a schematic view of the structure of the fourth embodiment of the present invention at the lower end of the pulse wheel.
In the figure: the blade frame 1 mounting block 11, the blade pressing device 13, the blade pressing wheel group 14, the limiting block 15, the servo motor driving pulse structure 2, the fixing block 20, the limiting chute 201, the servo motor 21, the pulse wheel 22, the pulse groove 23, the bearing 25, the rotating shaft 26, the bearing seat 27, the support 28, the pulse block 3, the rotating shaft 31, the matching wheel 32, the pressing block 33, the guide column 34, the static energy absorbing device 4, the shell 41, the liquid storage cavity 42, the energy absorbing liquid 43, the backflow cavity 44, the partition 45, the capillary holes 46, the rotating blades 47, the energy absorbing shafts 48 and the energy absorbing blades 49.
Detailed Description
The invention is further illustrated in the following, in conjunction with the accompanying drawings and specific embodiments.
In the case of example 1,
as shown in fig. 1 to 5, a servo motor-driven pulse structure is used for a band sawing machine, and the servo motor-driven pulse structure 2 is provided with two groups on the band sawing machine. The servo motor pulse structure 2 comprises a mounting block 11 fixed on the saw blade frame 1 of the band sawing machine, and the structure of the left and right mounting blocks 11 is different as shown in fig. 1, because the mounting block 11 plays a role in mounting, and is a well known technical means for those skilled in the art, the specific content is not strictly limited, and therefore, the device is not unfolded. The lower extreme of installation piece 11 is equipped with saw blade pressure and holds device 13, and installation piece 11 includes the fixed block 20 that is used for fixed saw blade pressure to hold device 13, and fixed block 20 and installation piece 11 screw fixation. The mounting block 11 is provided with a servo motor 21 and a pulse wheel 22, the mounting block 11 is provided with a bracket 28, and the bracket 28 is fixed on the upper side of the fixed block 20 through screws. The servo motor 21 is fixed on a bracket 28, a bearing seat 27 is further arranged on the bracket 28, a bearing 25 and a rotating shaft 26 are arranged in the bearing seat 27, the rotating shaft 26 is connected with a motor shaft of the servo motor 21 through a coupler 24, and the pulse wheel 22 is fixedly arranged on the rotating shaft 26. The two ends of the coupler 24 are provided with necking, the bracket 28 is provided with two parallel positioning blocks 29, and the positioning blocks 29 are internally provided with positioning holes matched with the necking. The saw blade pressing device comprises two groups of saw blade pressing wheel groups 14 which are arranged oppositely and limiting blocks 15 which are arranged oppositely, pulse grooves 23 are formed in the pulse wheels 22, pulse blocks 3 are arranged on the lower sides of the pulse wheels 22 in a matched mode, the pulse blocks 3 are located on the upper sides of the saw blade pressing device 13, and the lower ends of the pulse blocks 3 are matched with the saw blade pressing device 13. Specifically, the pulse block 3 is matched with the limiting block 15. The outer end of the pulse block 3 is provided with a rotating shaft 31, the rotating shaft 31 is rotatably provided with a matching wheel 32, the axis of the matching wheel 32 is perpendicular to the axis of the pulse wheel 22, the lower end of the pulse wheel 22 is annular, and the cambered surface of the pulse groove 23 is matched with the circumferential surface of the matching wheel 32. The edge of the pulse groove 23 and the lower end of the pulse wheel 22 are smoothly transited. The pulse grooves 23 are provided on the lower end face of the pulse wheel 22 in eight places, and the eight pulse grooves 23 are arranged in a circumferential array around the axis of the pulse wheel 22. The lower end of the pulse wheel 22 is disposed in contact with Zhou Cejie of the mating wheel 32. The shape of the pulse block 3 is cuboid, a limit chute 201 matched with the pulse block 3 is arranged in the mounting block 11, specifically, the limit chute 201 is positioned in the fixed block 20, the left end of the pulse block 3 is rotationally hinged in the limit chute 201, the lower side of the right end of the pulse block 3 is rotationally hinged with a pressing block 33, and the pressing block 33 is in contact with the limiting block 15. One end of the pressing block 33 is provided with a guide post 34, and a guide groove matched with the guide post 34 is arranged in the pulse block 3.
In the case of example 2,
as shown in fig. 6, embodiment 2 is different from embodiment 1 in that, in a servo electric pulse structure, embodiment 2 is provided with a static energy absorbing device 4 on a bracket 28, the static energy absorbing device 4 includes a housing 41, three liquid storage cavities 42 which are separated by a partition 45 and are longitudinally and continuously arranged are arranged in the housing 41, an energy absorbing liquid 43 is arranged in the liquid storage cavities 42, and capillary holes 46 are arranged on the partition 45; the left side of three liquid storage cavities 42 is provided with a backflow cavity 44, the upper end of the backflow cavity 44 is communicated with the upper end of the liquid storage cavity 42 at the uppermost layer, and the lower end of the backflow cavity 44 is communicated with the lower end of the liquid storage cavity 42 at the lowermost layer. Wherein initially, the uppermost liquid storage cavity 42 and the lowermost liquid storage cavity 42 are full of the energy absorbing liquid 43, and the reflux cavity 44 is also full of the energy absorbing liquid 43. The energy absorbing liquid 43 in the central liquid storage cavity 42 is not full, so that a vacuum environment is built in the uppermost liquid storage cavity 42 and the lowermost liquid storage cavity 42, and when the liquid in the uppermost liquid storage cavity 42 shakes and drops to the central liquid storage cavity 42, the energy absorbing liquid 43 in the backflow cavity 44 can flow back from the lowermost liquid storage cavity 42 to the uppermost liquid storage cavity 42. The backflow cavity 44 is internally provided with a rotating blade 47, the rotating blade 47 is fixed on an energy absorption shaft 48 connected with the wall surface of the backflow cavity 44, the energy absorption shaft 48 is in rotary sealing connection with the wall surface of the backflow cavity 44, and the outer end of the energy absorption shaft 48 is provided with an energy absorption blade 49.
In the case of example 3,
as shown in fig. 7, embodiment 3 is different from embodiment 1 in that: the pulse grooves 23 are provided with eight channels on the lower end face of the pulse wheel, and the groove depths of the eight pulse grooves 23 are alternately equal. The adjacent pulse grooves 23 have different groove depths and different pulse amplitudes, so that pulses with different intensities are provided for the band saw blade, the long saw dust is cut more conveniently, and the band saw cutting is completed more conveniently.
In the case of example 4,
as shown in fig. 8, embodiment 4 is different from embodiment 1 in that: the pulse grooves 23 are arranged on the lower end face of the pulse wheel, the groove widths of the pulse grooves are different, and the groove widths of the pulse grooves are distributed in an equi-differential array.
The invention provides an electric pulse device which can finish the vibration breaking of long saw dust on a band sawing machine, improves the cutting precision and the cutting efficiency, has high structural reliability, and prolongs the service life of the whole device by arranging a static energy absorbing device 4.
Claims (8)
1. The servo electric pulse structure is used for a band sawing machine and comprises a mounting block fixed on a saw blade frame of the band sawing machine, wherein a saw blade pressing device is arranged at the lower end of the mounting block; the support is provided with a static energy absorbing device, the static energy absorbing device comprises a shell, three liquid storage cavities which are separated by a partition board and are longitudinally and continuously arranged are arranged in the shell, energy absorbing liquid is arranged in the liquid storage cavities, and capillary holes are formed in the partition board; the same side of three stock solution chamber is equipped with the backward flow chamber, and the upper end in backward flow chamber intercommunication upper end in stock solution chamber at upper strata, the lower extreme in backward flow chamber intercommunication lower extreme in stock solution chamber at lower floor.
2. A servo motor pulse structure as claimed in claim 1, wherein said servo motor pulse structure is provided in two sets on a band sawing machine.
3. The servo motor-driven pulse structure according to claim 1, wherein a rotating shaft is arranged at the outer end of the pulse block, a matching wheel is rotatably arranged on the rotating shaft, the axis of the matching wheel is perpendicular to the axis of the pulse wheel, and the lower end of the pulse wheel is in contact with Zhou Cejie of the matching wheel.
4. The servo motor-driven pulser structure according to claim 1, wherein said pulser grooves are provided with eight places on the lower end face of the pulser wheel, the eight places being arranged in a circumferential array around the axis of the pulser wheel.
5. The servo motor pulse structure according to claim 1, wherein the support is further provided with a bearing seat, a bearing and a rotating shaft are arranged in the bearing seat, and the rotating shaft is connected with a motor shaft of the servo motor through a coupling.
6. The servo motor-driven pulse structure according to claim 1, wherein one end of the pressing block is provided with a guide post, and a guide groove matched with the guide post is arranged in the pulse block.
7. A servo motor-driven pulse structure according to claim 3, wherein the lower end of the pulse wheel is circular, and the cambered surface of the pulse groove is matched with the circumferential surface of the matching wheel.
8. The servo electric pulse structure according to claim 1, wherein the backflow cavity is internally provided with a rotating blade, the rotating blade is fixed on an energy absorbing shaft connected with the wall surface of the backflow cavity, the energy absorbing shaft is in rotary sealing connection with the wall surface of the backflow cavity, and the outer end of the energy absorbing shaft is provided with the energy absorbing blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011170130.1A CN112276232B (en) | 2020-10-28 | 2020-10-28 | Servo electric pulse structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011170130.1A CN112276232B (en) | 2020-10-28 | 2020-10-28 | Servo electric pulse structure |
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| CN112276232A CN112276232A (en) | 2021-01-29 |
| CN112276232B true CN112276232B (en) | 2023-07-14 |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201991991U (en) * | 2011-03-21 | 2011-09-28 | 东南大学 | Fluid damper |
| DE102012108378A1 (en) * | 2012-09-07 | 2014-03-13 | Indubrand Ag | Method for producing a high-precision bore |
| CN103447617B (en) * | 2013-07-23 | 2016-04-06 | 杭州电子科技大学 | A kind of bands for band vibration active suppression device based on main mode prediction of shaking and method |
| US10124454B2 (en) * | 2015-11-16 | 2018-11-13 | Apex Brands, Inc. | Oscillating thrust bearing |
| CN209349614U (en) * | 2018-07-27 | 2019-09-06 | 浙江锯力煌锯床股份有限公司 | Band guider with saw blades on pulse controlled sawing saw frame |
| CN109079203B (en) * | 2018-08-23 | 2020-01-10 | 大连理工大学 | Modular micro pecking device for automatic feeding drill |
| CN109396550B (en) * | 2018-11-26 | 2024-03-19 | 丽水学院 | Self-adaptive controllable vibration metal cutting device and method based on giant magnetostriction |
| CN209698097U (en) * | 2019-01-16 | 2019-11-29 | 青岛前哨风动工具制造技术有限公司 | Rotary biasing head auto-feed boring device |
| CN209520664U (en) * | 2019-01-30 | 2019-10-22 | 浙江思普锯业有限公司 | A kind of saw blade of band sawing machine sweeps device |
| CN214023838U (en) * | 2020-10-28 | 2021-08-24 | 浙江锯力煌锯床股份有限公司 | Servo electric pulse structure |
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Address after: 321400 No.1, Dongshan Industrial Zone, Huzhen Town, Jinyun County, Lishui City, Zhejiang Province Applicant after: Zhejiang saw Lihuang Industrial Technology Co.,Ltd. Applicant after: Zhejiang Dake Intelligent Equipment Co.,Ltd. Address before: 321400 No.1, Dongshan Industrial Zone, Huzhen Town, Jinyun County, Lishui City, Zhejiang Province Applicant before: ZHEJIANG JULIHUANG SAWING MACHINE GROUP Co.,Ltd. Applicant before: Zhejiang Dake Intelligent Equipment Co.,Ltd. |
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