CN113351938A - Sawing machine with saw belt feeding automatic speed changing function - Google Patents
Sawing machine with saw belt feeding automatic speed changing function Download PDFInfo
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- CN113351938A CN113351938A CN202110642045.9A CN202110642045A CN113351938A CN 113351938 A CN113351938 A CN 113351938A CN 202110642045 A CN202110642045 A CN 202110642045A CN 113351938 A CN113351938 A CN 113351938A
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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
- B23D55/08—Sawing machines or sawing devices working with strap saw blades, characterised only by constructional features of particular parts of devices for guiding or feeding strap saw blades
- B23D55/088—Devices for feeding strap saw blades
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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
- B23D59/001—Measuring or control devices, e.g. for automatic control of work feed pressure on band saw blade
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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 invention discloses a sawing machine with saw band feeding and automatic speed changing, which comprises a saw frame, a lifting device for controlling the lifting of a saw band, a guide assembly arranged on the saw frame and the saw band fixed on the guide assembly, wherein the guide assembly comprises a clamping device for fixing the saw band and a speed regulating valve for controlling the lifting speed of the lifting device, and the speed regulating valve is communicated with the lifting device through an oil way. The invention provides a sawing machine with saw belt feeding automatic speed change, which realizes automatic speed regulation of saw belt feeding, high reaction speed and accurate speed change; the service life of the saw belt is prolonged.
Description
Technical Field
The invention relates to a sawing machine, in particular to a sawing machine with saw belt feeding automatic speed changing.
Background
In the sawing process of the traditional sawing machine, when the saw band is cut and fed, the feeding amount of the traditional sawing machine is unchanged, and when the sawing cross section is circular or other sawing amounts are properly changed, because the feeding amount of the traditional sawing machine is unchanged, when the feeding amount is too large, the saw band bears overlarge sawing pressure, the saw band is easy to cause fatigue, the service life of the saw band is shortened, and when the feeding amount is too small, the sawing pressure is small, and the sawing efficiency is low. The existing sawing machine controls the feeding speed of the saw belt through a speed regulating valve, but the method has a single control mode and cannot achieve the purpose of automatic speed regulation; and the automatic speed regulation of the saw belt is controlled by current feedback, but the speed change by the current feedback has the problems of slow response time, inaccurate speed change and the like.
For example, the Chinese patent document discloses "a feed speed detecting guide device for a band saw machine", the publication No. CN206997927U comprises a guide arm and a guide head, wherein the guide arm is arranged on a saw frame of a band sawing machine, the saw frame is driven by a control oil cylinder to feed downwards, a saw band is driven by a driving motor to operate, the guide head is arranged at the bottom of the guide arm, a saw band movable groove is arranged on the guide head, the load power provided by the driving motor in the sawing process is unchanged, a detection device is also arranged between the guide head and the guide arm, the detection device can detect the signal generated by the saw belt contacting the raw material and feed the signal back to the control oil cylinder, so that the control oil cylinder automatically adjusts the descending feeding speed of the saw frame, the emergency speed of the saw belt is controlled by controlling the oil cylinder through signal feedback, and the emergency speed has the problems of slow reaction time, inaccurate speed change and the like.
Disclosure of Invention
The invention aims to overcome the defects that the control mode of controlling the speed of the saw band by the speed regulating valve in the prior art is single and the purpose of automatic speed regulation cannot be achieved; the saw machine with the saw belt feeding automatic speed change has the problems of slow reaction time, inaccurate speed change and the like in a mode of controlling the speed change of the saw belt through current feedback, and realizes automatic speed regulation, high reaction speed and accurate speed change of the saw belt feeding; the service life of the saw belt is prolonged.
In order to achieve the purpose, the invention adopts the following technical scheme:
the saw machine comprises a saw frame, a lifting device used for controlling the saw belt to lift, a guide assembly arranged on the saw frame and the saw belt fixed on the guide assembly, wherein the guide assembly comprises a clamping device used for fixing the saw belt and a speed regulating valve used for controlling the lifting speed of the lifting device, and the speed regulating valve is communicated with the lifting device through an oil way.
In the technical scheme, the lifting device controls the lifting of the saw belt by controlling the whole saw frame to move up and down, the clamping assembly is used for fixing the saw belt on the guide assembly, when the sawing machine is used for cutting materials, the saw belt can generate upward slight deformation according to the change of the cutting length, the speed regulating valve controls the lifting speed of the saw belt through the deformation of the saw belt, the purpose of automatic speed regulation of the saw belt is achieved, the emergency speed of the saw belt is matched with a sawing line, the fatigue of the saw belt is not caused, the service life of the saw belt is shortened, the sawing efficiency is not influenced due to the small feeding speed, the whole process does not need to be subjected to current feedback, and the reaction speed is high.
Preferably, the lifting device comprises a lifting oil cylinder, the speed regulating valve comprises a valve body and a valve core, the valve core is arranged close to the back of the saw belt, an oil inlet and an oil outlet are formed in the valve body, a speed regulating cavity is formed in the valve core and communicated with the bottom of the lifting oil cylinder, and the oil inlet and the oil outlet are communicated with the side wall of the speed regulating cavity.
Because the bottom of the valve core is tightly attached to the back of the saw belt, the valve core moves up and down along with the deformation of the saw belt, and the position relation between the speed regulating cavity and the oil inlet and the oil outlet also changes in the up and down moving process of the valve core, the flow change quantity of oil is convenient to control, and the lifting speed of the lifting oil cylinder is controlled by controlling the oil return quantity at the bottom of the lifting oil cylinder.
Preferably, the section of the speed regulation cavity is of a V-shaped structure with a large top and a small bottom, oil is filled in the speed regulation cavity, and the flow rate of the oil is uniformly increased in the speed regulation cavity from bottom to top.
The arrangement ensures that the flow rate of the valve core moving upwards is smaller, so that the flow rate of return oil at the bottom of the lifting oil cylinder is reduced, and the descending speed of the lifting oil cylinder is reduced, otherwise, the flow rate of the valve core moving downwards is larger, so that the descending speed of the lifting oil cylinder is increased, the feeding speed of the saw belt on the sawing machine is controlled, the flow rate of the oil is uniformly increased in the speed regulating cavity from bottom to top, namely, the flow rate is uniform, and the feeding speed of the saw belt is uniform.
Preferably, an overflow cavity is further arranged in the valve core, the overflow cavity is arranged on the upper side of the speed regulation cavity, the cross section of the overflow cavity is of an inverted V-shaped structure, and the overflow cavity and the speed regulation cavity are matched to form a cavity with a rhombic structure in cross section.
The overflow cavity is provided with a transition function, so that the speed regulation cavity is always filled with oil, and the speed regulation accuracy is ensured.
Preferably, an electromagnetic oil return valve is arranged between the speed regulation cavity and the bottom of the lifting oil cylinder, and the oil outlet of the speed regulation cavity, the electromagnetic oil return valve and the bottom of the lifting oil cylinder are sequentially communicated through oil passages.
The speed regulating valve controls the lifting speed of the lifting oil cylinder by controlling the flow of return oil at the bottom of the lifting oil cylinder, wherein the electromagnetic return oil valve is arranged between the speed regulating valve and the lifting oil cylinder to play a transition role, the electromagnetic return oil valve is mainly used for controlling the maximum descending speed of the lifting oil cylinder, and the variable quantity of oil is controlled by the speed regulating valve, so that the lifting speed of the lifting oil cylinder is controlled, and the reaction speed is high and accurate.
Preferably, the speed regulating valve further comprises a valve cover, the valve cover is arranged at the upper end of the valve body, and a spring is arranged between the valve cover and the valve core.
Under the no-load state, the valve core is tightly attached to the back of the saw belt under the action of the spring, when the sawing machine cuts materials, the saw belt can slightly deform upwards according to the change of the length of the cutting line, and the valve core is always tightly attached to the saw belt and moves up and down according to the deformation of the saw belt due to the arrangement of the spring.
Preferably, the clamping device comprises a first clamping assembly and a second clamping assembly, the first clamping assembly comprises clamping blocks arranged in pairs, the saw band is fixed between the clamping blocks in pairs, and the second clamping assembly comprises limiting parts arranged on two sides of the saw band.
The first clamping assembly is used for fixing the saw band on the guide assembly, and the second clamping assembly is used for assisting in fixing the saw band and limiting the saw band.
Preferably, the limiting part comprises a limiting roller and a lifting shaft arranged along the movement direction of the saw belt, the limiting roller is arranged at the lower end of the lifting shaft, and a height difference is arranged in front of the limiting rollers at two sides of the saw belt.
The setting of second clamping component still is favorable to leading and preliminary fixed to the saw area when the saw area is installed, and when the saw area was installed, spacing gyro wheel can rotate along with the motion of saw area, does not influence the normal work of saw area, and the spacing gyro wheel height difference of saw area both sides more is favorable to leading the saw area.
Preferably, the limiting roller is externally coated with a damping sleeve.
The damping sleeve is favorable for reducing the vibration of the saw belt and does not influence the deformation of the saw belt.
Preferably, the guide assemblies and the lifting device are arranged in pairs, and the two guide assemblies in pairs are symmetrically arranged at the left end and the right end of the saw belt.
The guide assemblies are arranged in pairs, so that different speeds can be controlled according to the stress degrees of the two ends of the saw belt, and the speed regulation precision is improved.
Therefore, the invention has the following beneficial effects: therefore, the invention has the following beneficial effects: the saw belt speed can be conveniently controlled according to the cutting length of the saw belt, the automatic speed regulation of the feeding of the saw belt is realized, the fatigue of the saw belt is not caused, the service life of the saw belt is not shortened, and the saw cutting efficiency is not influenced due to the small feeding speed; the reaction speed is high and the speed change is accurate.
Drawings
FIG. 1 is a first schematic view of a saw machine with automatic speed change for saw band feeding of the present invention;
FIG. 2 is a second schematic view of the saw machine with automatic speed change of saw band feed;
FIG. 3 is a partial schematic view of the saw machine with automatic speed change for saw band feeding;
FIG. 4 is a first structural schematic view of the guide assembly and the saw band;
FIG. 5 is a second construction of the guide assembly and the saw band;
FIG. 6 is a schematic structural view of a speed valve;
in the figure: 1. the automatic saw comprises a saw frame 2, a guide head 3, a speed regulating valve 301, a valve body 3011, an oil inlet 3012, an oil outlet 302, a valve core 3021, a speed regulating cavity 3022, an overflow cavity 3023, a driving block 303, a valve cover 304, a spring 4, a lifting oil cylinder 5, a saw belt 6, an electromagnetic oil return valve 7, a clamping block 701, an auxiliary abutting groove 8 and a limiting roller.
Detailed Description
The invention is further described with reference to the following detailed description and accompanying drawings.
Example 1:
in an embodiment 1 shown in fig. 1, 2, 3, and 4, a saw machine with saw band feeding and automatic speed changing comprises a saw frame 1, a saw band 5 for sawing, a lifting device for controlling the lifting of the saw frame 1, and a guide assembly for fixing the saw band 5, wherein the saw band 5 is fixed on the guide assembly, the guide assembly is fixed on the saw frame 1, the lifting device controls the lifting of the guide assembly by controlling the lifting of the saw frame 1 to control the lifting of the saw band 5, the guide assembly comprises a guide head 2, a clamping device for fixing the saw band 5 and a speed regulating valve 3 for controlling the lifting speed of the lifting device are arranged on the guide head 2, the lifting device comprises a lifting cylinder 4, and the speed regulating valve 3 and the lifting cylinder 4 are connected through an oil pipe, that is, the speed regulating valve 3 and the lifting cylinder 4 communicate oil inside through an oil passage.
As shown in fig. 5 and 6, the speed control valve 3 includes a valve body 301 and a valve core 302 slidably disposed in the valve body 301, the bottom of the valve core 302 is disposed closely to the back of the saw band 5, a speed control cavity 3021 is disposed in the valve core 302, an oil inlet 3011 and an oil outlet 3012 are disposed on the valve body 301, the oil inlet 3011 and the oil outlet 3012 are both disposed in communication with the side wall of the speed control cavity 3021, the section of the speed control cavity 3021 is a V-shaped cavity structure with a large top and a small bottom, oil is filled in the speed control cavity, the flow rate of the oil is uniformly increased in the speed control cavity from bottom to top, and the oil inlet 3011 is disposed above the oil outlet 3012. In addition, the speed regulating valve 3 further comprises a valve cover 303 and a spring 304, the valve cover 303 is fixed on the valve body 301, the spring 304 is arranged between the valve core 302 and the valve cover 303, and the spring 304 is in a compressed state, so that the valve core 302 is ensured to be tightly attached to the back of the saw band 5 under the no-load action.
In addition, an electromagnetic oil return valve 6 is further arranged between the speed regulating valve 3 and the lifting oil cylinder 4, the electromagnetic oil return valve 6 is communicated with an oil outlet 3012 of the speed regulating valve 3, and the electromagnetic oil return valve 6 is further communicated with the bottom of the lifting oil cylinder 4 through an oil pipe.
In the above technical scheme, under the no-load condition, the valve core 302 is tightly attached to the back of the saw belt 5 under the action of the spring 304, before the saw machine performs cutting, the maximum descending speed of the lift cylinder 4 is controlled through the electromagnetic oil return valve 6, the saw belt is slightly deformed when being pressed along with the contact of the saw belt and the saw belt to be cut, and the valve core 302 is tightly attached to the back of the saw belt, so that the valve core 302 correspondingly moves upwards when the saw belt is deformed, because the speed regulation cavity 3021 is set to be a V-shaped cavity structure with a large upper part and a small lower part, when the valve core 302 moves upwards, the flow rate on the oil outlet 3012 is reduced, and further the flow rate of return oil at the bottom of the lift cylinder 4 is reduced, so that the descending speed of the lift cylinder 4 is reduced, and the purpose of automatic speed regulation is achieved. In addition, during the cutting process of the saw machine, the saw belt slightly deforms upwards according to the change of the length of the cutting line, according to the principle, when the cutting line of the saw belt is longer, the upward force of the saw belt is larger, when the upward force of the saw belt is larger, the deformation amount of the saw belt is larger, the upward displacement amount of the valve core 302 is larger, and the flow rate on the valve core 302 is smaller, so that the flow rate on the control lifting cylinder 4 is smaller, and the feeding speed of the saw machine is lower, and conversely, when the cutting line of the saw belt is shorter, the upward force of the saw belt is smaller, the deformation amount of the saw belt is larger, the upward displacement amount of the valve core 302 is smaller, the flow rate on the valve core 302 is larger, so that the flow rate on the control lifting cylinder 4 is larger, and the feeding speed of the saw machine is higher. The speed regulating valve 3 mainly controls the lifting speed of the lifting oil cylinder 4 by the method, so that the feeding speed of the saw belt is controlled, and the reaction speed is high and accurate.
Further, still be provided with in case 302 and spill over the chamber 3022, spill over the chamber 3022 and set up in the top of speed governing chamber 3021, spill over the chamber 3022 and set up to the structure of type of falling V, spill over the chamber 3022 and cooperate with the speed governing chamber 3021 and form the cavity that the cross-section is the diamond structure, spill over and set up on the chamber 3022 and play the effect of transition, be convenient for guarantee to fill oil and then guarantee the speed governing accuracy all the time in the speed governing chamber 3021.
Further, case 302 bottom is provided with and is used for the drive block 3023 that hugs closely with the saw area back, is provided with the mounting groove in drive block 3023 bottom, and the saw area back inlays to be established at the mounting groove, and the back of saw area is hugged closely the setting bottom the mounting groove, and the mounting groove sets up to V type groove structure, and the setting of mounting groove is spacing to the saw area, guarantees simultaneously that saw area and case 302 bottom contact setting all the time.
In addition, as shown in fig. 4, the clamping device includes a first clamping assembly and a second clamping assembly, wherein the first clamping assembly includes clamping blocks 7 arranged in pairs, a space for installing the saw band is arranged in front of the clamping blocks 7, a first clamping piece and a second clamping piece are respectively arranged on two opposite side surfaces of the two clamping blocks 7 in pairs, the first clamping piece is fixed on the clamping blocks 7, an adjusting piece is arranged between the second clamping piece and the clamping blocks 7, and the adjusting piece is used for adjusting the position of the second clamping piece, so that the saw band can be clamped by the first clamping piece and the second clamping piece after the saw band is installed; the second clamping component comprises limiting parts which are arranged in pairs, the two limiting parts in pairs are respectively arranged on two sides of the saw belt, the limiting parts comprise limiting idler wheels 8 and lifting shafts, the axis direction of the lifting shafts is parallel to the movement direction of the saw belt, the limiting idler wheels are arranged at the lower ends of the lifting shafts, the lifting shafts are fixed on the guide heads, intervals for penetrating the saw belt are arranged between the limiting idler wheels 8 in pairs, when the saw belt is installed, the saw belt firstly penetrates through the gaps between the limiting idler wheels 8 and then penetrates through the gaps of the first clamping component, the limiting idler wheels 8 play a guiding role when the saw belt is installed, the limiting idler wheels can rotate along with the movement of the saw belt, and the normal work of the saw belt is not influenced. In addition, the limiting idler wheel 8 is arranged as a rolling bearing, the lifting shaft is arranged as a bolt, the limiting idler wheel and the lifting shaft are convenient to connect, and the height of the limiting idler wheel 8 can be adjusted conveniently. The height of the limiting idler wheels 8 on the two sides of the saw belt is different, so that the saw belt is more favorably guided. In addition, 8 overcoat at spacing gyro wheel is equipped with the shock attenuation cover, and the shock attenuation cover can set up to rubber sleeve etc. and the setting of shock attenuation cover neither hinders the installation of saw area, can reduce the saw area again in the vibration of front and back orientation.
Further, the speed regulating valve 3 is arranged above the first clamping assembly, the clamping block 7 is provided with an auxiliary abutting groove 701 for arranging the speed regulating valve 3, the first clamping piece and the second clamping piece are correspondingly provided with groove structures, the auxiliary abutting groove 701 and the groove structures are arranged to be beneficial to ensuring that the speed regulating valve 3 is in full contact with the back of the saw belt, and then the saw belt is deformed to drive the valve core 302 on the speed regulating valve 3 to move.
In addition, the guide assemblies are arranged in pairs and symmetrically on the left side and the right side of the saw belt, and the lifting devices are also arranged in two in the same way.
It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The above examples are merely illustrative of the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims of the present invention.
Claims (10)
1. The sawing machine with the automatic speed change function is characterized by comprising a saw frame (1), a lifting device used for controlling the lifting of a saw belt (5), a guide assembly arranged on the saw frame (1) and the saw belt (5) fixed on the guide assembly, wherein the guide assembly comprises a clamping device used for fixing the saw belt (5) and a speed regulating valve (3) used for controlling the lifting speed of the lifting device, and the speed regulating valve (3) is communicated with the lifting device through an oil way.
2. The sawing machine with the automatic speed change saw belt feed function as claimed in claim 1, wherein the lifting device comprises a lifting oil cylinder (4), the speed control valve (3) comprises a valve body (301) and a valve core (302), the valve core (302) is tightly attached to the back of the saw belt (5), an oil inlet (3011) and an oil outlet (3012) are arranged on the valve body (301), a speed control cavity (3021) is arranged on the valve core (302), the speed control cavity (3021) is communicated with the bottom of the lifting oil cylinder (4), and the oil inlet (3011) and the oil outlet (3012) are communicated with the side wall of the speed control cavity (3021).
3. The sawing machine with automatic speed change of saw band feeding as claimed in claim 2, wherein the section of the speed regulating cavity (3021) is arranged as a V-shaped structure with a big top and a small bottom, the speed regulating cavity (3021) is filled with oil, and the flow rate of the oil is uniformly increased from bottom to top in the speed regulating cavity (3021).
4. The sawing machine with automatic speed change for saw belt feeding as claimed in claim 3, wherein an overflow cavity (3022) is further provided in the valve core (302), the overflow cavity (3022) is provided on the upper side of the speed regulation cavity (3021), the cross section of the overflow cavity (3022) is provided with an inverted V-shaped structure, and the overflow cavity (3022) and the speed regulation cavity (3021) cooperate to form a cavity with a diamond-shaped cross section.
5. The sawing machine with automatic speed change of saw band feeding as claimed in any one of claims 2 to 4, wherein an electromagnetic oil return valve (6) is arranged between the speed regulation cavity (3021) and the bottom of the lift cylinder (4), and the oil outlet of the speed regulation cavity (3021), the electromagnetic oil return valve (6) and the bottom of the lift cylinder (4) are sequentially communicated through oil passages.
6. The saw machine with automatic speed change of saw band feeding as claimed in any one of claims 1-4, wherein the speed regulating valve (3) further comprises a valve cover (303), the valve cover (303) is arranged at the upper end of the valve body (301), and a spring (304) is arranged between the valve cover (303) and the valve core (302).
7. The saw machine with automatic speed change for saw band feeding according to claim 1, wherein the clamping device comprises a first clamping assembly and a second clamping assembly, the first clamping assembly comprises clamping blocks (7) arranged in pairs, the saw band (5) is fixed between the clamping blocks (7) arranged in pairs, and the second clamping assembly comprises limiting members arranged on both sides of the saw band (5).
8. The sawing machine with automatic speed change for saw belt feeding as claimed in claim 7, wherein the limiting member comprises a limiting roller (8) and a lifting shaft arranged along the moving direction of the saw belt (5), the limiting roller (8) is arranged at the lower end of the lifting shaft, and the limiting rollers (8) at both sides of the saw belt (5) are provided with a height difference in front.
9. The sawing machine with automatic speed change for saw band feeding as claimed in claim 8, wherein the limiting roller (8) is covered with a damping sleeve.
10. A saw band-fed automatic speed-changing sawing machine according to claim 1 or 2 or 3 or 4 or 7 or 8 or 9 characterised in that the guide assemblies and the lifting means are arranged in pairs, the two guide assemblies in the pair being symmetrically arranged at the left and right ends of the saw band (5).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110642045.9A CN113351938A (en) | 2021-06-09 | 2021-06-09 | Sawing machine with saw belt feeding automatic speed changing function |
| CN202210073502.1A CN114619099B (en) | 2021-06-09 | 2022-01-21 | Variable-speed band sawing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110642045.9A CN113351938A (en) | 2021-06-09 | 2021-06-09 | Sawing machine with saw belt feeding automatic speed changing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113351938A true CN113351938A (en) | 2021-09-07 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110642045.9A Pending CN113351938A (en) | 2021-06-09 | 2021-06-09 | Sawing machine with saw belt feeding automatic speed changing function |
| CN202210073502.1A Active CN114619099B (en) | 2021-06-09 | 2022-01-21 | Variable-speed band sawing machine |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210073502.1A Active CN114619099B (en) | 2021-06-09 | 2022-01-21 | Variable-speed band sawing machine |
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| Country | Link |
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| CN (2) | CN113351938A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117381061A (en) * | 2023-12-05 | 2024-01-12 | 徐州鸿业仪器仪表有限公司 | Valve forges and uses metal material cutting sawing machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4016787A (en) * | 1973-12-04 | 1977-04-12 | Daitoseiki Co. Ltd. | Method for controlling the cutting feed speed of a saw frame of band-sawing machine or similar machine |
| CN2185648Y (en) * | 1994-01-12 | 1994-12-21 | 龚卫平 | Hydraulic saw cutting feed amount controller |
| CN2294804Y (en) * | 1997-04-15 | 1998-10-21 | 连云港机床厂 | Band-saw machine tool fitted with pressure-reducing flow-controlling speed-regulating valve and automatic material carrying and feeding device |
| CN202707664U (en) * | 2012-08-18 | 2013-01-30 | 山西金开源实业有限公司 | Ultrahigh pressure unloading speed regulation device |
| CN109595214A (en) * | 2018-12-19 | 2019-04-09 | 广东科立工业技术股份有限公司 | Intelligent short ingot sawing unit manipulator adjusts the speed oil circuit |
| CN210565405U (en) * | 2019-07-03 | 2020-05-19 | 内蒙古庆华集团腾格里煤化有限公司 | Horizontal band sawing machine hydraulic system |
| CN112145709A (en) * | 2020-10-28 | 2020-12-29 | 宁波市鄞州超杰汽车零部件有限公司 | Speed regulating valve |
-
2021
- 2021-06-09 CN CN202110642045.9A patent/CN113351938A/en active Pending
-
2022
- 2022-01-21 CN CN202210073502.1A patent/CN114619099B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117381061A (en) * | 2023-12-05 | 2024-01-12 | 徐州鸿业仪器仪表有限公司 | Valve forges and uses metal material cutting sawing machine |
| CN117381061B (en) * | 2023-12-05 | 2024-04-26 | 徐州鸿业仪器仪表有限公司 | Valve forges and uses metal material cutting sawing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114619099B (en) | 2023-09-05 |
| CN114619099A (en) | 2022-06-14 |
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Application publication date: 20210907 |