CN113857570B - Position self-adjusting pulse structure, calibration method and band sawing machine - Google Patents
Position self-adjusting pulse structure, calibration method and band sawing machine Download PDFInfo
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- CN113857570B CN113857570B CN202111260194.5A CN202111260194A CN113857570B CN 113857570 B CN113857570 B CN 113857570B CN 202111260194 A CN202111260194 A CN 202111260194A CN 113857570 B CN113857570 B CN 113857570B
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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
- B23D55/00—Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts
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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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- 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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Abstract
The utility model relates to a cutting equipment field, and a position self-interacting's pulse structure is disclosed, the one end of guiding arm is provided with the direction head, be provided with the conduction subassembly that is used for conducting pulse generating device's amplitude in the direction head, position control device links to each other with pulse generating device, a relative position between be used for adjusting pulse generating device and conduction subassembly, conduction subassembly and pulse generating device's face of action are provided with the electrode slice, the electrode slice is used for converting the deformation volume that the atress produced into the electric current volume, the electrode slice is connected with control module, be provided with electric current volume and actual output force conversion table and theoretical output displacement curve in the control module, theoretical output displacement curve can set for the relative position between voltage value calculation pulse generating device and conduction subassembly according to pulse generating device. The position self-adjusting pulse structure can automatically adjust the distance between the pulse generating device and the conducting component through the position adjusting device according to the data feedback of the electrode plate, thereby improving the pulse precision.
Description
Technical Field
The application relates to the field of cutting equipment, in particular to a position self-adjusting pulse structure, a calibration method and a band sawing machine.
Background
Modern manufacturing industry is rapidly developing in a direction of high efficiency and economy, and cutting work of sawing machines and the like plays a very important role. The sawing machine has the functions of saving raw materials and improving the working efficiency, and the prior circular saw, band sawing machine and hacksawing machine are three main sawing machine forms. The band sawing machine has the characteristics of high cutting speed, high cutting precision, small material loss and the like, so that the band sawing machine is widely used and gradually replaces a hacksaw machine and a circular saw.
The wide use of band sawing machines makes the market pay more and more attention to the cutting efficiency of band sawing machines and the use cost of band sawing machines, therefore the band sawing machines among the prior art usually set up the pulse structure that is used with the band saw blade, under the holding of pulse structure, pulse mechanism implements the longitudinal pulse to the band saw blade back, make its vibration that produces and be greater than self amplitude, in order to reach regular vibration, thereby form initiative chip breaking and increased heat transfer area, but the band saw blade is as the cutter of cutting work piece, can constantly abrade in the use, until unable use, thereby the band saw blade can be because of the wearing and tearing that continuous work produced, lead to the band saw blade and pulse structure initial position uncertain, and the band saw blade cover in the band sawing machine is established at action wheel and from the driving wheel, in order to guarantee its cutting effect usually need set up the take-up pulley, thereby adjust the tensioning degree of band saw blade, also can lead to the band saw blade and pulse structure initial position uncertain because of the different tensioning degree of band saw blade.
In conclusion, the initial position between the band saw blade and the pulse structure is uncertain due to the reasons that the band saw blade is worn and the tensioning degree of the band saw blade is different in the continuous use process, and the pulse structure in the prior art cannot be adjusted relative to the position between the band saw blades, so that the actual pulse strength of the pulse structure to the band saw blade cannot be estimated, and the pulse precision is poor.
Disclosure of Invention
This application mainly solves the band saw blade that prior art exists and can produce wearing and tearing and the reason such as band saw blade tensioning degree difference can lead to initial position uncertain between band saw blade and pulse structure in lasting use, and pulse structure among the prior art can not be adjusted for the position between the band saw blade, thereby lead to the actual pulse intensity of taking the band saw blade of present pulse structure to can not predict, the technical problem that the pulse precision is poor, a data feedback according to the electrode slice is provided, interval between pulse generating device and conduction subassembly is adjusted automatically through position control device, thereby improve the pulse structure of the position self-interacting of pulse precision.
In order to solve the technical problem and achieve the above application purpose, the present application provides a position self-adjusting pulse structure on one hand, which is used for adjusting the amplitude of a cutting tool, and is characterized by comprising a guide arm, a pulse generation device and a position adjustment device, wherein one end of the guide arm is provided with a guide head which interacts with the cutting tool, a conduction assembly which is used for conducting the amplitude of the pulse generation device is arranged in the guide head, the position adjustment device is connected with the pulse generation device and used for adjusting the relative position between the pulse generation device and the conduction assembly, the conduction assembly and the action surface of the pulse generation device are provided with an electrode plate, the electrode plate is used for converting deformation generated by stress into current, the electrode plate is connected with a control module, a current amount conversion table and an actual output force conversion table and a theoretical output displacement curve are arranged in the control module, and the theoretical output displacement curve can calculate the relative position between the pulse generation device and the conduction assembly according to a voltage value set by the pulse generation device.
In an embodiment, the position adjusting device includes a power output mechanism and a transmission rod disposed longitudinally, a first end of the transmission rod is in transmission connection with the power output mechanism, and a second end of the transmission rod is connected with the pulse generating device.
In an implementation manner, the power output mechanism includes a rotating motor and an intermediate transmission mechanism, the intermediate transmission mechanism includes a driving bevel gear connected to an output shaft of the rotating motor and a driven bevel gear connected to the transmission rod, the driving bevel gear is in meshing transmission with the driven bevel gear, a first bearing is sleeved outside the transmission rod, the transmission rod is provided with a connecting thread section and a transmission thread section, an outer ring of the first bearing is fixedly connected to the guide arm, an inner ring of the first bearing is connected to the connecting thread, a height adjusting column is in transmission connection outside the transmission thread section, the height adjusting column is connected to the pulse generator, the height adjusting column is of a polygonal column structure, a rotation stopping block is fixedly connected to the inside of the guide arm and converts a rotational motion of the transmission rod into a vertical linear motion of the height adjusting column, a polygonal rotation stopping hole adapted to the height adjusting column is arranged inside the rotation stopping block, and the height adjusting column is connected to the rotation stopping hole under the rotation of the transmission rod moving up and down.
In an implementation mode, an accommodating cavity is arranged in the guide head, the accommodating cavity is formed by circumferentially enclosing a guide head end cover, a left base, a guide head rear seat and a right base, a guide block group and the conducting assembly are sequentially arranged in the accommodating cavity from bottom to top, the guide block group comprises two guide blocks which are arranged at intervals front and back, a feed channel is formed between the two guide blocks, a feed groove is transversely formed in the guide head, the feed channel is communicated with the feed groove, an upper base is arranged on the top cover of the accommodating cavity, an accommodating groove for accommodating the pulse generating device is longitudinally arranged on the upper base in a penetrating mode, the accommodating groove is communicated with the conducting assembly, and the conducting assembly is arranged in the accommodating cavity in a vertical vibrating mode under the action of the pulse generating device.
In an implementation manner, the conducting assembly includes a conducting block, a roller shaft and a second bearing, the electrode plate is disposed at a first end of the conducting block, a bearing groove for accommodating the second bearing is transversely disposed at a second end of the conducting block, the roller shaft is disposed on the conducting block, the roller shaft intersects with the bearing groove, the second bearing is rotatably connected with the roller shaft, and the second bearing is partially disposed outside the bearing groove and contacts with the back surface of the cutting tool.
In an implementation manner, an adjusting seat is disposed on the accommodating cavity between the guide block group and the conducting assembly, an adjusting screw is rotatably connected in the adjusting seat, and the adjusting screw abuts against the bottom of the conducting block to set the guide block group and the conducting assembly at an interval.
In an embodiment, the guide head is provided with a guide wheel set in the feeding direction of the cutting tool, the guide wheel set includes two guide wheels arranged at intervals, a guide channel is formed between the two guide wheels, and the guide channel is arranged in alignment with the feed channel.
Another aspect of the present application provides a calibration method for a position self-adjusting pulse structure, which is characterized by including the following steps:
the rotating motor returns to zero, and the height adjusting column drives the pulse generating device to be arranged to the highest point far away from the conducting assembly;
the driving motor rotates, after the band saw blade rotates stably, the electrode slice measures the shake of the conduction assembly and records the shake as an initial output force value;
the pulse generating device works, the rotating motor rotates and drives the transmission rod to rotate through the intermediate transmission mechanism, and the rotation stopping block converts the rotation of the transmission rod into the linear motion of the height adjusting column, so that the pulse generating device slowly approaches the conducting assembly;
detecting the output force value of the electrode plate in real time, comparing the output force value with the initial output force value, stopping the rotation of the rotating motor until the difference value between the output force value and the initial output force value is a fixed difference value, and recording the output force value of the electrode plate at the moment as a middle output force value;
the unit voltage mode of the pulse generating device is increased until the force value output by the electrode plate changes, the force value output by the electrode plate at the moment is recorded as a final force value, and finally the relative position between the pulse generating device and the conducting assembly is calculated according to the voltage value set by the pulse generating device and a theoretical output displacement curve;
when the position between the pulse generating device and the conducting assembly is in a compression state, calculating a difference value between the intermediate output force value and the final output force value, converting the difference value into the feeding amount of the height adjusting column, and further continuously adjusting the position between the pulse generating device and the conducting assembly.
In a second embodiment, the fixed difference is 5-10N, and the unit voltage is 5V.
Another aspect of this application provides a band sawing machine, including in embodiment 1 position self-regulating pulse structure, its characterized in that still includes the sash and is used for tensioning the straining device of band saw blade, rotate on the sash and be connected with the action wheel and follow the driving wheel, the action wheel reaches and is equipped with from the driving wheel overcoat the band saw blade, the action wheel is connected with the driving motor transmission, be provided with on the sash pulse structure, the setting of feed passageway is in on the route of feeding of band saw blade, the back and the conduction subassembly butt of band saw blade.
Compared with the prior art, the pulse structure with the self-adjusting position, the calibration method and the band sawing machine have the following beneficial effects:
1. the pulse generating device implements longitudinal pulse on the back of the band saw blade, which is beneficial to active chip breaking, reduces the sawing force borne by the band saw blade, provides sawing efficiency, increases the heat exchange area between the band saw blade and a workpiece, and enhances the heat conductivity of the band saw blade;
2. the distance between the pulse generating device and the conducting assembly is automatically adjusted through the position adjusting device by taking the data feedback of the electrode plate as an instruction, so that the pulse precision problem of the pulse generating device caused by abrasion and different tensioning degrees of the band saw blade in the continuous use process is reduced.
Therefore, the device has the characteristics of reasonable structure and high precision.
Drawings
FIG. 1 is a cross-sectional view of a pulse structure according to example 1 of the present application;
FIG. 2 is a schematic diagram of a pulse structure according to example 1 of the present application;
FIG. 3 is a schematic structural diagram of a guide head in embodiment 1 of the present application;
FIG. 4 is a cross-sectional view of a guide head according to embodiment 1 of the present application;
FIG. 5 is a schematic view showing a structure of a conductive member according to embodiment 1 of the present application;
FIG. 6 is a schematic view showing a band saw machine according to embodiment 3 of the present application.
The reference numbers in the figures illustrate: 1. a band saw blade; 2. a guide arm; 3. a pulse generating device; 4. a guide head; 5. a conductive component; 6. an electrode sheet; 7. a transmission rod; 8. rotating the motor; 9. a drive bevel gear; 10. a driven bevel gear; 11. a first bearing; 12. connecting the threaded section; 13. a transmission thread section; 14. a height adjustment post; 15. a rotation stopping block; 16. an accommodating cavity; 17. a guide head end cover; 18. a left base; 19. a guide head rear seat; 20. a right base; 21. a guide block group; 23. a feed channel; 24. a chute; 25. an upper base; 26. accommodating grooves; 27. a conductive block; 28. a roller shaft; 29. a second bearing; 30. an adjusting seat; 31. an adjusting screw; 32. a guide wheel set; 33. a driving wheel; 34. a driven wheel; 35. a drive motor; 36. an adjustment plate; 37. a shield; 38. an observation window; 39. a saw frame.
Detailed Description
In order to make the objects, features and advantages of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the prior art, the initial position between the band saw blade 1 and the pulse structure is uncertain due to the reasons that the band saw blade 1 is worn and the band saw blade 1 is not tensioned to different degrees in the continuous use process, and the pulse structure in the prior art can not be adjusted relative to the position between the band saw blade 1, so that the actual pulse intensity of the pulse structure to the band saw blade 1 can not be estimated, and the pulse precision is poor.
Therefore, the pulse structure with the self-adjusting position is provided on one hand, and is used for adjusting the amplitude of a cutting tool in a pulse mode, and the pulse structure is characterized by comprising a guide arm 2, a pulse generating device 3 and a position adjusting device, wherein a guide head 4 which is used for acting with the cutting tool is arranged at one end of the guide arm 2, a conducting assembly 5 which is used for conducting the amplitude of the pulse generating device 3 is arranged in the guide head 4, the position adjusting device is connected with the pulse generating device 3 and used for adjusting the relative position between the pulse generating device 3 and the conducting assembly 5, an electrode plate 6 is arranged on the acting surface of the conducting assembly 5 and the pulse generating device 3, the electrode plate 6 is used for converting a deformation quantity generated by stress into a current quantity, the electrode plate 6 is connected with a control module, a current quantity and actual output force conversion table and a theoretical output displacement curve are arranged in the control module, and the theoretical output displacement curve can calculate the relative position between the pulse generating device 3 and the conducting assembly 5 according to a set voltage value of the pulse generating device 3.
Another aspect of the present application provides a calibration method for a position self-adjusting pulse structure, which is characterized by comprising the following steps:
the rotating motor 8 returns to zero, and the height adjusting column 14 drives the pulse generating device 3 to be arranged to the highest point far away from the conducting component 5;
the driving motor 35 rotates, after the band saw blade 1 rotates stably, the electrode plate 6 measures the shake of the transmission assembly 5 and records the shake as an initial output force value;
the pulse generating device 3 works, the rotating motor 8 rotates and drives the transmission rod 7 to rotate through the intermediate transmission mechanism, and the rotation stopping block 15 converts the rotation of the transmission rod 7 into the linear motion of the height adjusting column, so that the pulse generating device 3 slowly approaches the conducting component 5;
detecting the output force value of the electrode plate 6 in real time, comparing the output force value with the initial output force value, stopping the rotation of the rotating motor 8 until the difference value between the output force value and the initial output force value is a fixed difference value, and recording the output force value of the electrode plate 6 at the moment as a middle output force value;
the unit voltage mode of the pulse generating device 3 is increased until the force value output by the electrode plate 6 changes, the force value output by the electrode plate 6 at the moment is recorded as a final force value, and finally the relative position between the pulse generating device 3 and the conducting component 5 is calculated according to the voltage value set by the pulse generating device 3 and a theoretical output displacement curve;
when the position between the pulse generating device 3 and the conducting component 5 is in a pressing state, the difference value between the intermediate output force value and the final output force value is calculated, the difference value is converted into the feeding amount of the height adjusting column 14, and then the position between the pulse generating device 3 and the conducting component 5 is continuously adjusted.
In another aspect, the application provides a band sawing machine, including embodiment 1 in position self-adjusting's pulse structure, its characterized in that still includes sash 39 and is used for tensioning the straining device of band saw blade 1, it is connected with action wheel 33 and follows driving wheel 34 to rotate on the sash 39, action wheel 33 and follow driving wheel 34 overcoat are equipped with band saw blade 1, action wheel 33 is connected with driving motor 35 transmission, be provided with on the sash 39 pulse structure, feed passageway 23 sets up on the route of feeding of band saw blade 1, the back and the 5 butts of conducting component of band saw blade 1.
Example 1:
fig. 1 to 5 show an embodiment of the pulse structure for self-adjustment of the position of the present application.
Referring to fig. 1, in an embodiment of the present application, a position self-adjusting pulse structure is shown for pulse-adjusting the amplitude of a cutting tool, so that the adjusted amplitude of the cutting tool is greater than the amplitude of the cutting tool itself in an initial state, so as to achieve regular vibration of the cutting tool, thereby forming active chip breaking and increasing a heat exchange area with an article to be cut, the present apparatus is generally installed in various cutting apparatuses, and is installed on a band sawing machine in a preferred state, and when the cutting tool is a band sawing machine, the cutting tool is a band sawing blade 1.
Wherein, the pulse structure is connected with the cutting equipment through the guide arm 2, the pulse generating device 3 and the position adjusting device are both arranged in the guide arm 2, the guide arm 2 is usually made of metal materials, and is connected with the cutting device in a sliding way, the pulse generating device 3 adopts piezoelectric ceramics in an optimized state, one end of the guide arm 2 is provided with a guide head 4 which is acted with the cutting tool, the other end of the guide arm 2 is connected with the cutting device in a sliding way, the guide head 4 has the function of guiding the cutting tool to ensure that the cutting tool is fed and cut by a specified path, a conducting component 5 which is used for transmitting the amplitude of the pulse generating device 3 is arranged in the guide head 4, the position adjusting device is connected with the pulse generating device 3, used for adjusting the relative position between the pulse generating device 3 and the conducting component 5, the action surfaces of the conducting component 5 and the pulse generating device 3 are provided with electrode plates 6, the motor plates are used for converting deformation generated by stress into current quantity, the electrode plates 6 are connected with a control module, a current quantity and actual output force conversion table and a theoretical output displacement curve are arranged in the control module, the control module converts the current quantity received by the electrode plates 6 into actual output force, so as to detect the actual output force received by the conducting component 5, the theoretical output displacement curve can calculate the relative position between the pulse generating device 3 and the conducting component 5 according to the set voltage value of the pulse generating device 3, the theoretical output displacement curve is self-contained when the pulse generating device 3 leaves a factory, the relative position between the pulse generating device 3 and the conducting component 5 can be judged according to the voltage value required by the pulse generating device 3, thereby determining whether the position adjustment means continues to adjust the pulse generating means 3 closer to or further away from the conducting member 5.
In the embodiment of the present application, the position adjusting device includes a power output mechanism and a transmission rod 7 disposed longitudinally, a first end of the transmission rod 7 is connected to the power output mechanism in a transmission manner, and a second end of the transmission rod 7 is connected to the pulse generating device 3.
Wherein, power take off mechanism can be the telescoping cylinder, but the telescoping cylinder can not realize accurate control.
Wherein, please refer to fig. 1 and fig. 2, the power output mechanism can also be presented by a gear transmission manner, at this time, the power output mechanism includes a rotating motor 8 and an intermediate transmission mechanism, the intermediate transmission mechanism includes a driving bevel gear 9 connected to an output shaft of the rotating motor 8 and a driven bevel gear 10 connected to the transmission rod 7, the driving bevel gear 9 is mounted on the output shaft of the rotating motor 8 through a set screw, the rotating motor 8 transmits power to the driving bevel gear 9 through a flat key, the driven bevel gear 10 is mounted on the transmission rod 7 through a set screw, preferably, a gear shaft of the driving bevel gear 9 is vertically arranged with a gear shaft of the driven bevel gear 10, the driving bevel gear 9 is engaged with the driven bevel gear 10 for transmission, the accurate adjustment of the position of the pulse generating device 3 can be realized by adopting two bevel gear transmission, the rotating motor 8 is arranged on the guide arm 2 through an adjusting plate 36, a kidney hole is formed in the adjusting plate 36, the meshing condition between the driving bevel gear 9 and the driven bevel gear 10 can be adjusted through the kidney hole in the adjusting plate 36, a protective cover 37 is arranged outside the rotating motor 8 to protect the rotating motor 8 from being influenced by the outside, the service life of the rotating motor 8 is prolonged, a through hole is formed in the protective cover 37 to facilitate signal connection between the rotating motor 8 and a control module, an observation window 38 is arranged at the position where the driving bevel gear 9 is meshed with the driven bevel gear 10 and corresponds to the guide arm 2, the observation window 38 is made of a transparent acrylic plate and can observe the running conditions of the driving bevel gear 9 and the driven bevel gear 10 in real time, a first bearing 11 is sleeved outside the driving rod 7, the transmission rod 7 is provided with a connecting threaded section 12 and a transmission threaded section 13, the outer ring of a first bearing 11 is fixedly connected with the guide arm 2 through a bearing mounting seat, the bearing mounting seat is mounted on the guide arm 2 through an inner hexagon screw, the inner ring of the first bearing 11 is connected with a connecting thread, the connecting threaded section 12 is a triangular thread in a preferred state, an angular contact bearing is adopted in the first bearing 11 in a preferred state, the transmission rod 7 is relatively fixed with the first bearing 11 mounted in the bearing mounting seat through a shaft shoulder and a check ring of the transmission rod 7, the transmission threaded section 13 is externally connected with a height adjusting column 14 in a transmission way, the height adjusting column 14 is connected with the pulse generating device 3, the transmission threaded section 13 is a trapezoidal thread in a preferred state, the rotating motor 8 keeps still in the sawing process, and the rotating motor 8 has a brake due to the self-locking property of the trapezoidal thread, the pulse generator 3 can be effectively guaranteed not to be stressed by itself when in work, the transmission rod 7 can rotate, the position of the pulse generator 3 is changed, the reliability is guaranteed, the height adjusting column 14 is of a polygonal column structure and is of a hexagonal column in an optimal state, one end of the height adjusting column 14 is an internal thread and is installed on the transmission rod 7, one end of the height adjusting column is an external thread and is connected with the pulse generator 3, the rotation stopping block 15 which converts the rotation motion of the transmission rod 7 into the vertical linear motion of the height adjusting column 14 is fixedly connected in the guide arm 2, a polygonal column hole matched with the height adjusting column 14 is formed in the rotation stopping block 15, the cross section of the polygonal column hole is of the hexagonal structure in the optimal state, the rotation of the height adjusting column through the polygonal column hole is limited to avoid rotating along with the transmission rod 7, and the height adjusting column and the rotation stopping hole are connected in an up-down moving mode under the rotation of the transmission rod 7.
During specific transmission, the rotating motor 8 drives the transmission rod 7 to rotate through the meshing of the driving bevel gear 9 and the driven bevel gear 10, and the rotating motion of the transmission rod 7 is converted into the lifting motion of the height adjusting column 14, so that the distance between the pulsation generating device and the conducting assembly 5 is adjusted.
Referring to fig. 3 and 4, in the embodiment of the present application, a receiving cavity 16 is disposed in the guiding head 4, so as to restrict the conducting assembly 5 from moving in only one direction, the receiving cavity 16 is formed by enclosing a guiding head end cover 17, a left base 18, a guiding head rear seat 19 and a right base 20, an upper base 25 is disposed on the top cover of the receiving cavity 16, the left base 18 and the right base 20 are respectively fixed on both sides of the upper base 25 by hexagon socket head screws, the guiding head end cover 17 is respectively fixed with the upper base 25, the left base 18 and the right base 20 by hexagon socket head screws, the guiding head rear seat 19 is respectively fixed with the left base 18 and the right base 20 by hexagon socket head screws, in a preferred state, the receiving cavity 16 has a rectangular longitudinal section, a guiding block group 21 and the conducting assembly 5 are sequentially disposed in the receiving cavity 16 from bottom to top, the guiding block group 21 includes two guiding blocks spaced back and forth, a cutting feed passage 23 is formed between the two guiding blocks, the guiding blocks are made of hard alloy, the guiding blocks are respectively connected with the left base 18 and the right base 20 by telescopic rod, a cutting blade feeding passage 24 is disposed in parallel with the upper cutting blade feeding passage 24, the guiding block 23 is disposed in the upper blade feeding passage 24, the guiding block 23, the guiding block feeding passage 24 is disposed in the upper cutting device 24, the upper blade feeding passage 24 is disposed in the upper cutting device, the upper cutting device 24, the guiding block feeding device is disposed in the upper cutting device, the upper cutting device 24, the upper blade feeding device 24, the guiding block feeding device 24 is disposed in the guiding channel 24, the conducting member 5 is disposed to vibrate up and down within the receiving cavity 16.
Referring to fig. 5, in the embodiment of the present application, the conducting assembly 5 includes a conducting block 27, a roller shaft 28 and a second bearing 29, wherein a first end of the conducting block 27 is provided with an electrode plate 6, a second end of the conducting block 27 is transversely provided with a bearing groove for accommodating the second bearing 29, a diameter of the second bearing 29 is larger than a width of the bearing groove, the bearing groove is preferably rectangular, the roller shaft 28 is arranged in the guiding block, the roller shaft 28 intersects with the bearing groove, the roller shaft 28 is preferably arranged perpendicular to the bearing groove, the second bearing 29 is rotatably connected with the roller shaft 28, the second bearing 29 is partially arranged outside the bearing groove and contacts with the back of the cutting tool, and one end of the conducting block 27 receives vibration from the pulse device and conducts the vibration to the second bearing 29 to act on the back of the cutting tool.
Referring to fig. 4, in the embodiment of the present application, the accommodating cavity 16 between the guide block group 21 and the conducting assembly 5 is provided with two adjusting seats 30, two adjusting seats 30 are respectively disposed on the left and right sides of the adjusting seats 30, adjusting screw holes are disposed in the adjusting seats 30, adjusting screws 31 are rotatably connected in the adjusting screw holes, the adjusting screws 31 abut against the bottom of the conducting block 27, so as to dispose the guide block group 21 and the conducting assembly 5 at intervals, and prevent the guide block group 21 from contacting the conducting assembly 5 when no saw blade is mounted.
In the specific embodiment of the present application, the guiding head is provided with a guiding wheel set 32 in the feeding direction of the cutting tool, the guiding wheel set 32 includes two guiding wheels arranged at intervals, a guiding channel is formed between the two guiding wheels, the guiding channel is arranged in alignment with the feeding channel 23, and the guiding wheel set 32 is arranged to continue guiding the cutting tool to feed the cutting tool along the feeding path.
The specific position self-adjusting process of the pulse structure comprises the following steps:
the rotating motor 8 returns to zero, and the height adjusting column 14 drives the pulse generating device 3 to be arranged to the highest point far away from the conducting assembly 5;
the driving motor 35 rotates, after the band saw blade 1 rotates stably, the electrode plate 6 measures the shaking of the transmission assembly 5 and records the shaking as an initial output force value, the initial output force value is caused by the shaking of a simple cutting tool, and the pulse generating device 3 is not started to be used at the moment;
the pulse generating device 3 works, the rotating motor 8 rotates and drives the transmission rod 7 to rotate through the intermediate transmission mechanism, and the rotation stopping block 15 converts the rotating and rotating movement of the transmission rod 7 into the linear movement of the height adjusting column, so that the pulse generating device 3 slowly approaches the conducting assembly 5;
detecting the output force value of the electrode plate 6 in real time, comparing the output force value with the initial output force value, stopping the rotation of the rotating motor 8 until the difference value between the output force value and the initial output force value is a fixed difference value, keeping a certain distance between the pulse generating device 3 and the conducting component 5, and recording the output force value of the electrode plate 6 as an intermediate output force value, wherein the distance between the pulse generating device 3 and the conducting component 5 cannot be estimated due to the fact that the cutting tool is worn and the tensioning degree is inconsistent;
the unit voltage mode of the pulse generating device 3 is increased until the force value output by the electrode plate 6 changes, at the moment, the pulse generating device 3 is considered to play a role in the conducting assembly 5 under the double effects of the increased voltage and the adjusting distance, the force value output by the electrode plate 6 at the moment is recorded as a final force value, and finally, the relative position between the pulse generating device 3 and the conducting assembly 5 is calculated according to the voltage value set by the pulse generating device 3 and a theoretical output displacement curve;
when the position between the pulse generating device 3 and the conducting component 5 is in a pressing state, the difference value between the intermediate output force value and the final output force value is calculated, the difference value is converted into the feeding amount of the height adjusting column 14, and the position between the pulse generating device 3 and the conducting component 5 is continuously adjusted, so that the automatic adjustment of the height adjusting column 14 is formed.
Example 2:
in a specific embodiment of the present application, a calibration method for a position self-adjusting pulse structure is disclosed, which is characterized by comprising the following steps:
the rotating motor 8 returns to zero, and the height adjusting column 14 drives the pulse generating device 3 to be arranged to the highest point far away from the conducting assembly 5;
the driving motor 35 rotates, after the band saw blade 1 rotates stably, the electrode slice 6 measures the shaking of the conducting component 5 and records the shaking as an initial output force value, the initial output force value is caused by the shaking of a simple cutting tool, and the pulse generating device 3 is not started to use at the moment;
the pulse generating device 3 works, the rotating motor 8 rotates and drives the transmission rod 7 to rotate through the intermediate transmission mechanism, and the rotation stopping block 15 converts the rotating and rotating movement of the transmission rod 7 into the linear movement of the height adjusting column, so that the pulse generating device 3 slowly approaches the conducting assembly 5;
detecting the output force value of the electrode plate 6 in real time, comparing the output force value with the initial output force value, stopping the rotation of the rotating motor 8 until the difference value between the output force value and the initial output force value is a fixed difference value, wherein the pulse generating device 3 is at a certain distance away from the conducting component 5, and the distance between the pulse generating device 3 and the conducting component 5 cannot be estimated due to the fact that the loss and the tensioning degree of a cutting tool are inconsistent, so that a calibration position needs to be found firstly, and the output force value of the electrode plate 6 at the moment is recorded as an intermediate output force value;
the unit voltage mode of the pulse generating device 3 is increased until the force value output by the electrode plate 6 changes, at the moment, the pulse generating device 3 is considered to play a role in the conducting assembly 5 under the double effects of the increased voltage and the adjusting distance, the force value output by the electrode plate 6 at the moment is recorded as a final force value, and finally, the relative position between the pulse generating device 3 and the conducting assembly 5 is calculated according to the voltage value set by the pulse generating device 3 and a theoretical output displacement curve;
when the position between the pulse generating device 3 and the conducting component 5 is in a compression state, calculating the difference value between the intermediate output force value and the final output force value, converting the difference value into the feeding amount of the height adjusting column 14, and further continuously adjusting the position between the pulse generating device 3 and the conducting component 5, thereby forming the automatic adjustment of the height adjusting column 14.
Wherein the fixed difference is 5-10N, and the unit voltage is 5V.
Example 3:
FIG. 6 illustrates an embodiment of a band saw machine of the present application.
As shown in fig. 6, in the embodiment of the present application, a band sawing machine is shown, including a pulse structure for implementing position self-adjustment of the band saw blade 1, further including a saw frame 39 and a tensioning mechanism for tensioning the band saw blade 1, a driving wheel 33 and a driven wheel 34 are rotatably connected to the saw frame 39, the band saw blade 1 is sleeved outside the driving wheel 33 and the driven wheel 34, the driving wheel 33 is in transmission connection with a driving motor 35, the saw frame 39 is provided with the pulse structure, a feed channel 23 is arranged on a feed path of the band saw blade 1, the band saw blade 1 is arranged in the feed channel 23, and the back of the band saw blade 1 is abutted to a conducting component 5.
Referring to fig. 1, in an embodiment of the present application, a pulse structure with a self-adjusting position is used for pulse-adjusting the amplitude of a cutting tool, so that the adjusted amplitude of the cutting tool is greater than the amplitude of the cutting tool itself in an initial state, thereby achieving regular vibration of the cutting tool, forming active chip breaking and increasing a heat exchange area between the cutting tool and an article to be cut, the present apparatus is generally installed in various cutting apparatuses, and is installed on a band sawing machine in an optimal state, and when the cutting tool is the band sawing machine, the cutting tool is a band saw blade 1.
Wherein, the pulse structure is connected with the cutting equipment through the guide arm 2, the pulse generating device 3 and the position adjusting device are both arranged in the guide arm 2, the guide arm 2 is usually made of metal materials, and is connected with the cutting device in a sliding way, the pulse generating device 3 adopts piezoelectric ceramics in an optimized state, one end of the guide arm 2 is provided with a guide head 4 which is acted with the cutting tool, the other end of the guide arm 2 is connected with the cutting device in a sliding way, the guide head 4 has a guide function on the cutting tool to ensure that the cutting tool is fed and cut by a specified path, a conducting component 5 for transmitting the amplitude of the pulse generating device 3 is arranged in the guide head 4, the position adjusting device is connected with the pulse generating device 3, used for adjusting the relative position between the pulse generating device 3 and the conducting component 5, the action surfaces of the conducting component 5 and the pulse generating device 3 are provided with electrode plates 6 and the plates are used for converting deformation generated by stress into current quantity, the electrode plates 6 are connected with a control module, a current quantity and actual output force conversion table and a theoretical output displacement curve are arranged in the control module, the control module converts the current quantity received by the electrode plates 6 into actual output force, so as to detect the actual output force received by the conducting component 5, the theoretical output displacement curve can calculate the relative position between the pulse generating device 3 and the conducting component 5 according to the set voltage value of the pulse generating device 3, the theoretical output displacement curve is self-contained when the pulse generating device 3 leaves a factory, the relative position between the pulse generating device 3 and the conducting component 5 can be judged according to the voltage value required by the pulse generating device 3, thereby determining whether the position adjustment means continues to adjust the pulse generating means 3 closer to or further away from the conducting member 5.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. The position self-adjusting pulse structure is used for adjusting the amplitude of a cutting tool in a pulse mode, and is characterized by comprising a guide arm (2), a pulse generating device (3) and a position adjusting device, wherein a guide head (4) which is acted with the cutting tool is arranged at one end of the guide arm (2), a conducting assembly (5) which is used for conducting the amplitude of the pulse generating device (3) is arranged in the guide head (4), the position adjusting device is connected with the pulse generating device (3) and used for adjusting the relative position between the pulse generating device (3) and the conducting assembly (5), an electrode plate (6) is arranged on the action surface of the conducting assembly (5) and the pulse generating device (3), the electrode plate (6) is used for converting deformation generated by stress into current, the electrode plate (6) is connected with a control module, a current amount and actual output force conversion table and a theoretical output displacement curve are arranged in the control module, and the theoretical output displacement curve can be used for calculating the relative position between the pulse generating device (3) and the conducting assembly (5) according to a set voltage value of the pulse generating device (3).
2. Pulse structure for self-position adjustment according to claim 1, characterized in that the position adjustment means comprise a power take-off and a longitudinally arranged transmission rod (7), a first end of the transmission rod (7) being in transmission connection with the power take-off, and a second end of the transmission rod (7) being in connection with the pulse generating device (3).
3. Position self-adjusting pulse structure according to claim 2, characterized in that the power take-off comprises a rotating electric machine (8) and an intermediate transmission, the intermediate transmission mechanism comprises a driving bevel gear (9) connected with an output shaft of the rotating motor (8) and a driven bevel gear (10) connected with the transmission rod (7), the driving bevel gear (9) is in meshed transmission with the driven bevel gear (10), a first bearing (11) is sleeved outside the transmission rod (7), the transmission rod (7) is provided with a connecting thread section (12) and a transmission thread section (13), the outer ring of the first bearing (11) is fixedly connected with the guide arm (2), the inner ring of the first bearing (11) is connected with the connecting thread, the transmission thread section (13) is in transmission connection with a height adjusting column (14), the height adjusting column (14) is connected with the pulse generating device (3), the height adjusting column (14) is of a polygon prism structure, a rotation stopping block (15) for converting the rotation motion of the transmission rod (7) into the vertical linear motion of the height adjusting column (14) is fixedly connected in the guide arm (2), a polygonal column rotation stopping hole matched with the height adjusting column (14) is arranged in the rotation stopping block (15), and under the rotation of the transmission rod (7), the height adjusting column is connected with the rotation stopping hole in an up-and-down moving manner.
4. The pulse structure of claim 2, wherein a receiving cavity (16) is formed in the guide head (4), the receiving cavity (16) is circumferentially enclosed by a guide head (4) end cover, a left base (18), a guide head (4) rear seat and a right base (20), a guide block set (21) and the conducting assembly (5) are sequentially arranged in the receiving cavity (16) from bottom to top, the guide block set (21) comprises two guide blocks arranged at a front-back interval, a feed channel (23) is formed between the two guide blocks, a feed slot (24) is transversely formed in the guide head (4), the feed channel (23) is communicated with the feed slot (24), an upper base (25) is covered on the top of the receiving cavity (16), a receiving slot (26) for receiving the pulse generating device (3) is longitudinally arranged on the upper base (25) in a penetrating manner, the receiving slot (26) leads to the conducting assembly (5), and the conducting assembly (5) is arranged in the upper-lower vibration cavity under the action of the pulse generating device (3).
5. The position self-adjusting pulse structure according to claim 4, wherein the conducting assembly (5) comprises a conducting block (27), a roller shaft (28) and a second bearing (29), a first end of the conducting block (27) is provided with the electrode plate (6), a second end of the conducting block (27) is transversely provided with a bearing groove for accommodating the second bearing (29), the guiding block is provided with the roller shaft (28), the roller shaft (28) intersects with the bearing groove, the second bearing (29) is rotatably connected with the roller shaft (28), and the second bearing (29) is partially arranged outside the bearing groove and contacts with the back surface of the cutting tool.
6. The pulse structure of position self-adjustment according to claim 5, wherein an adjusting seat (30) is disposed on the accommodating cavity (16) between the guide block set (21) and the conducting assembly (5), an adjusting screw (31) is rotatably connected in the adjusting seat (30), the adjusting screw (31) abuts against the bottom of the conducting block (27), and the guide block set (21) and the conducting assembly (5) are disposed at intervals.
7. Pulse structure for self-position adjustment according to claim 4, wherein the guiding head (4) is provided with a set of guiding wheels (32) in the feeding direction of the cutting tool, the set of guiding wheels (32) comprising two guiding wheels arranged at a distance from each other, between which a guiding channel is formed, the guiding channel being arranged in line with the feed channel (23).
8. A method of calibrating a position self-adjusting pulse structure according to any one of claims 1 to 7, comprising the steps of:
the rotating motor (8) returns to zero, and the height adjusting column (14) drives the pulse generating device (3) to be far away from the conducting assembly (5) and arranged to the highest point;
the driving motor (35) rotates, after the band saw blade (1) rotates stably, the electrode slice (6) measures the shaking of the conducting assembly (5) and records the shaking as an initial output force value;
the pulse generating device (3) works, the rotating motor (8) rotates and drives the transmission rod (7) to rotate through the middle transmission mechanism, and the rotation stopping block (15) converts the rotation of the transmission rod (7) into the linear motion of the height adjusting column, so that the pulse generating device (3) slowly approaches the conducting assembly (5);
detecting the output force value of the electrode plate (6) in real time, comparing the output force value with the initial output force value, stopping the rotation of the rotating motor (8) until the difference value between the output force value and the initial output force value is a fixed difference value, and recording the output force value of the electrode plate (6) at the moment as a middle output force value;
the unit voltage mode of the pulse generating device (3) is increased until the force value output by the electrode plate (6) changes, the force value output by the electrode plate (6) at the moment is recorded as a final force value, and finally the relative position between the pulse generating device (3) and the conducting assembly (5) is calculated according to the voltage value set by the pulse generating device (3) and a theoretical output displacement curve;
when the position between the pulse generating device (3) and the conducting assembly (5) is in a pressing state, calculating the difference value between the intermediate output force value and the final output force value, converting the difference value into the feeding amount of the height adjusting column (14), and further continuously adjusting the position between the pulse generating device (3) and the conducting assembly (5).
9. The method for calibrating a position self-adjusting pulse structure according to claim 8, wherein the fixed difference is 5-10N and the unit voltage is 5V.
10. The utility model provides a band sawing machine, includes any one of claims 1-7 position self-interacting's pulse structure, its characterized in that still includes sash (39) and is used for tensioning band saw blade (1) straining device, it is connected with action wheel (33) and follows driving wheel (34) to rotate on sash (39), action wheel (33) and follow driving wheel (34) overcoat and be equipped with band saw blade (1), action wheel (33) are connected with driving motor (35) transmission, be provided with on sash (39) pulse structure, feed passageway (23) set up on the feed route of band saw blade (1), the back and conduction component (5) butt of band saw blade (1).
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| CN202111260194.5A CN113857570B (en) | 2021-10-28 | 2021-10-28 | Position self-adjusting pulse structure, calibration method and band sawing machine |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB840274A (en) * | 1956-11-21 | 1960-07-06 | Armstrong Blum Mfg Company | An automatic control system for band saw blades |
| CN2291244Y (en) * | 1997-01-04 | 1998-09-16 | 张圣玉 | Band-sawing machine |
| TW382863B (en) * | 1998-06-09 | 2000-02-21 | Ind Tech Res Inst | Communication method and device with pulse position modulation |
| US6463836B1 (en) * | 1999-02-01 | 2002-10-15 | Howard L. Snodgrass, Jr. | Guide for band saws |
| CN102151899B (en) * | 2010-11-25 | 2012-09-12 | 浙江伟业锯床有限公司 | Intelligent sawing band sawing machine |
| CN206997927U (en) * | 2017-05-16 | 2018-02-13 | 浙江富士泰机床有限责任公司 | A kind of feed speed detection guider of band sawing machine |
| CN109396551A (en) * | 2018-07-27 | 2019-03-01 | 浙江锯力煌锯床股份有限公司 | Pulse controlled sawing saw frame |
| CN214023829U (en) * | 2020-10-28 | 2021-08-24 | 浙江锯力煌锯床股份有限公司 | High-speed intelligent band sawing machine |
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