CN113210434B - Rolling process technology lubrication injection device capable of automatically adjusting oil injection quantity based on rolling speed - Google Patents
Rolling process technology lubrication injection device capable of automatically adjusting oil injection quantity based on rolling speed Download PDFInfo
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- CN113210434B CN113210434B CN202110493478.2A CN202110493478A CN113210434B CN 113210434 B CN113210434 B CN 113210434B CN 202110493478 A CN202110493478 A CN 202110493478A CN 113210434 B CN113210434 B CN 113210434B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/06—Lubricating, cooling or heating rolls
- B21B27/10—Lubricating, cooling or heating rolls externally
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Abstract
The invention relates to a rolling process lubrication injection device capable of automatically adjusting oil injection quantity based on rolling speed, which comprises a main rolling mill, a lubrication support lifting device, a lubricant injection device, a lubricant supply device and a control center, wherein the main rolling mill is provided with a main rolling mill body; the main rolling mill comprises a frame, an upper roller, a lower roller and a base; wherein, the lower roller is connected with a motor; the gap between the upper roller and the lower roller is used for rolling the plate strip; the spraying angle, the distance between the device and the roller, the spraying position, the lubricant concentration and the spraying amount can be adjusted to ensure that the spraying is accurate; the device automatically adjusts the oil injection quantity along with the rolling speed; meanwhile, self-cleaning can be realized, and the multi-nozzle design enables the uniform spraying effect to be better.
Description
Technical Field
The invention belongs to the technical field of rolling process lubrication, and particularly relates to a rolling process lubrication injection device capable of automatically adjusting oil injection quantity based on rolling speed.
Background
In the process of rolling the metal plate strip, on the contact surface of a workpiece, the workpiece bears not only the normal pressure stress directly acted by a tool and a die, but also the tangential stress generated by the relative movement and the friction action of the workpiece and the tool and the die. In order to reduce or eliminate the adverse effects of friction during plastic working, it is necessary to spray a lubricant on the rolls. The rolling process lubrication can effectively reduce and control the friction and the wear in the rolling process, thereby achieving the following purposes: the friction force between a roller and a rolled piece can be effectively reduced, and the change range of the friction coefficient is controlled (mu = 0.4-0.67 in the case of non-lubricated rolling and mu = 0.2-0.35 in the case of lubricated rolling); the rolling load is reduced (generally about 10-20%), so that the maximum rolling reduction is realized; cooling the roll to maintain the shape accuracy of the roll; the friction is reduced, and the power consumption is reduced; the strength and the lubricating property of an oil film are ensured, and the abrasion of the roller is reduced (about 30%); the rolling efficiency of rolled products is improved; the phenomenon of stick sticking and roller stewing is avoided in the rolling process. However, the roll lubricant injection amount and injection angle also have a certain influence on the lubrication effect, and the lubrication effect is positively influenced only by the appropriate lubricant injection amount and injection angle. Therefore, an effective roll lubricant spraying apparatus is necessary to improve the surface quality of the sheet material.
At present, most roller lubricating devices are fixed and have unadjustable angles, the lubricant injection amount cannot be adjusted along with the change of rolling speed, the lubricant waste phenomenon is obvious, the universality and the reliability are poor, and the disassembly and the assembly are difficult when a rolling mill changes rollers.
In view of the above technical problems, improvements are needed.
Disclosure of Invention
The invention aims to provide a rolling process lubrication injection device capable of automatically adjusting oil injection quantity based on rolling speed, which is reasonable and simple, reliable and stable in transmission, can carry out self-cleaning, and can carry out uniform lubrication on a rolling mill roller accurately in real time.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: the rolling process lubrication injection device automatically adjusting the oil injection quantity based on the rolling speed comprises a main rolling mill, a lubrication support lifting device, a lubricant injection device, a lubricant supply device and a control center; the main rolling mill comprises a rack, an upper roller, a lower roller and a base; wherein, the lower roller is connected with a motor; the gap between the upper roller and the lower roller is used for rolling the plate strip.
The main rolling mill comprises an upper roller and a lower roller which are arranged on a rack, and the lower roller is used as a driving roller; the specific position of the lubricant spraying device is adjusted by a hydraulic lifting rod and a stepping motor for the lubricating support lifting device, and the spraying distance between the lubricant spraying device and the roller is controlled by a bottom plate sliding rail I; the lubricant spraying device can adjust the spraying angle of the spray head to accurately and uniformly spray the lubricant to the roller of the rolling mill; the lubricant supply device can mix oil in the oil inlet channel and water in the water inlet channel into lubricant with certain concentration in an oil-water mixer according to a certain proportion and supply the lubricant to the lubricant injection device; the control center performs the function of data processing calculation and controlsThe center can control the proportion of oil inlet quantity and water inlet quantity and control the opening and closing of the oil way metering pump and the water way metering pump; the control center can control the rotation of the stepping motor so as to drive the lubricant injection device to ascend and descend; meanwhile, the control center can control the boost pressure P of the booster pump so as to control the oil injection quantity of the spray head, and the rolling speed of the roller is set to be V 0 (m/s) at a showerhead flow rate of L 0 (L/min), when the rolling speed V is more than V 0 When the rolling speed is more than V, the control center increases the pressurizing pressure P of the pressurizing pump to increase the flow of the spray head 0 When the flow rate of the spray head is reduced, the control center reduces the boost pressure P of the booster pump; when saponification phenomenon is generated, the lubricant injection device independently injects clean water for cleaning.
As a preferred scheme of the invention, the lubricating and supporting lifting device comprises a slide rail base, a hydraulic lifting tappet, a box-type mounting rack, a lead screw and a stepping motor; two slide ways I are arranged on the slide rail base; the bottom of the hydraulic lifting tappet is provided with a sliding block matched with the slide way I, and the sliding block slides forwards and backwards in the slide way I to drive the hydraulic lifting tappet to move forwards and backwards; two fixing bolts I used for fastening the hydraulic lifting tappet on the slide rail base are arranged above the slide block.
As a preferred scheme of the invention, the box-type mounting frame is of a box-type symmetrical structure, and a plate belt through hole suitable for a plate belt to pass through is reserved in the middle; the top end of the hydraulic lifting tappet is provided with a flange plate, and the flange plate is fixedly connected with a box type supporting frame bottom plate through a bolt III.
As a preferable scheme of the invention, the inner sides of the left plate and the right plate of the box type mounting rack are respectively provided with a slideway II, a stepping motor and a screw rod are fixed on the box type mounting rack, the screw rod penetrates through the through hole to be connected with the stepping motor, the four stepping motors and the four screw rods are respectively fixed on the box type mounting rack in a vertical and bilateral symmetry manner, the stepping motors are fixed through bolts II, and the stepping motors are connected with the screw rod to rotate so as to drive the lubricating support lifting device to move up and down in the slideway II.
As a preferred aspect of the present invention, the lubricant supplying device includes an oil storage tank, a water storage tank, an oil filter, a water filter, an oil path valve, a water path valve, a pressure gauge, an oil path metering pump, a water path metering pump, a check valve, a safety valve, an oil-water mixer, and a booster pump; the oil storage tank, the oil filter, the oil way valve, the check valve and the oil way metering pump are connected through pipelines; the water storage tank, the filter, the waterway valve, the pressure gauge and the waterway metering pump are connected through pipelines, and a safety valve is connected on the pipeline between the waterway valve and the pressure gauge.
As a preferable scheme of the invention, the booster pump is connected with one end of the three-phase joint through a pipeline, the other two ends of the three-phase joint are connected with plastic hoses which are respectively connected with the oil inlets at the rear part of the spray head mounting plate, and the booster pump conveys the lubricant in the oil-water mixing device to the lubricant spraying device.
In a preferred embodiment of the present invention, the two lubricant spraying devices are symmetrically installed on the screw rod up and down, and are located on the feeding side of the upper roller and the lower roller.
As a preferable aspect of the present invention, the lubricant spraying device includes a spray head and a spray head mounting plate; a plurality of spray heads are arranged on the spray head mounting plate; the spray head is fixedly connected with the spray head mounting plate through a bolt IV, an oil inlet is formed in the rear portion of the spray head mounting plate, one end of the oil inlet is connected with the plastic hose, and the other end of the oil inlet is connected with the spray head.
As a preferable scheme of the invention, the lubricant spraying device further comprises a lifting plate, a hydraulic telescopic rod and a connecting rod; the rear end of the lifting plate is provided with two bilaterally symmetrical lifting columns, threaded holes matched with the screw rods are formed in the lifting columns, sliding columns matched with the sliding rails II are arranged on two sides of the lifting plate, the sliding rails II are connected with the sliding columns in a sliding mode, and the lubricating agent injection device is driven to move up and down through the rotating motion of the screw rods.
As a preferred scheme of the invention, two sides of the lifting plate are respectively and fixedly provided with a hydraulic telescopic rod and a connecting rod; the hydraulic telescopic rod is connected with the spray head mounting plate through a hinge; the connecting rod is connected with the spray head mounting plate through a pin.
The control center controls a certain amount of oil and a certain amount of water to enter the oil-water mixing device to form a lubricant with a certain concentration by setting the numerical values of the pressure gauge and the metering pump, and when the numerical value of the oil pressure gauge is overlarge, a part of oil flows back to the oil storage tank through the check valve; the control center controls the magnitude of the supercharging pressure of the booster pump so as to control the magnitude of the oil injection quantity of the nozzle, thereby achieving the purpose of controlling the oil injection quantity; the control center controls the rotating direction of the stepping motor, so that the two upper screw rods do the same rotating motion, and the two lower screw rods do the same rotating motion to further control the up-and-down movement of the lubricant spraying device to adjust the spraying position.
The control center can control the boost pressure P of the booster pump so as to control the oil injection quantity of the spray head, and the rolling speed of the roller is set to be V 0 (m/s) is the flow rate of the nozzle L 0 (L/min), when the rolling speed V is more than V 0 When the rolling speed is more than V, the control center increases the pressurizing pressure P of the pressurizing pump to increase the flow of the spray head 0 When the control center reduces the pressurizing pressure P of the pressurizing pump to reduce the flow of the spray head, thereby achieving the purpose of automatically adjusting the oil injection quantity according to the rolling speed.
Lubricant has certain concentration, thereby long-time work probably can make lubricant and nozzle department in the pipeline produce saponification phenomenon and block up the nozzle, causes the incoherence of oil spout, and rotatory oil circuit valve of closing closes, and control center closes the oil circuit measuring pump for the water route measuring pump is worked alone, and then washes out pipeline and washing nozzle with saponified lubricant, thereby reaches the purpose of wasing emollient injection apparatus.
The invention has the beneficial effects that:
1. the invention provides a rolling process lubrication injection device capable of automatically adjusting oil injection quantity based on rolling speed, so that the rolling process is more stable and reliable.
2. The distance between the device and the roller is adjustable, and the roller is convenient to change.
3. The spraying angle, the distance between the device and the roller, the spraying position, the lubricant concentration and the spraying amount can be adjusted to ensure that the spraying is accurate; the device automatically adjusts the oil injection quantity along with the rolling speed; meanwhile, self-cleaning can be realized, and the design of multiple spray heads enables the uniform spraying effect to be better.
4. The device has compact structure, simple principle, easy disassembly and better development space and market application prospect.
Drawings
FIG. 1 is a process lubrication injection apparatus for a rolling process according to the present invention, which automatically adjusts an injection amount based on a rolling speed;
FIG. 2 is a schematic view of the lubricating support lifting device of the present invention;
FIG. 3 is a schematic view of the lubricant spraying apparatus according to the present invention;
FIG. 4 is a partially enlarged schematic view of the lubricating support elevating device of the present invention;
FIG. 5 is a schematic view of the lubricating support elevating device of the present invention;
FIG. 6 isbase:Sub>A cross-sectional view of the invention A-A;
FIG. 7 is a schematic view of a lubricant supply and control center of the present invention;
fig. 8 is a control flow chart for automatically adjusting the amount of injected fuel based on the rolling speed according to the present invention.
Reference numbers in the figures: 101 upper roll, 102 lower roll, 103 frame, 104 plate belt, 105 base, 2 lubricant injection device, 3 plastic hose, 4 lubrication support lifting device, 5 three-phase joint, 6 hydraulic lifting tappet, 7 slide way I,8 slide way base, 9 lubricant supply device, 10 control center, 201 lifting plate, 202 threaded hole, 203 hydraulic telescopic rod, 204 connecting rod, 205 hinge, 206 spray head mounting plate, 207 oil inlet, 208 spray head, 209 bolt IV,210 pin, 211 lifting column, 212 sliding column, 401 stepping motor, 402 bolt II,403 lead screw, 404 plate belt through hole, 405 box type mounting frame, 406 slide way II,407 through hole 601, bolt III,602 flange plate, 603 fixing bolt I,604 slide block, 901 oil filter, oil storage tank 902, 903 water filter, 904, 905 waterway valve, 906 oil way valve, 907 oil-water mixer, 908, 909 oil way metering pump, 910 water way metering pump, 911 pressure meter, 912 check valve, and safety valve.
Detailed Description
The following describes embodiments of the present invention in detail with reference to the accompanying drawings.
Example (b): as shown in fig. 1 and 7, the invention provides a process lubrication injection device for automatically adjusting the oil injection quantity based on the rolling speed in the rolling process; comprises a main rolling mill, a lubricating support lifting device 4, a lubricant spraying device 2, a lubricant supplying device 9 and a control center 10; the main rolling mill mainly comprises a frame 103, an upper roller 101, a lower roller 102, a base 105 and a plate belt 104; wherein the lower roller 102 is connected with a motor as a driving rod; the gap between the upper and lower rolls is used for rolling the plate strip 104; the invention provides a lubricating injection device, which enables the rolling process to be more stable and reliable.
As shown in fig. 2, 4 and 5, the lubricating support lifting device 4 includes a slide rail base 8, a hydraulic lifting tappet 6, a box-type mounting rack 405, a lead screw 403, and a stepping motor 401; the slide rail base 8 is placed on the ground and used for supporting the lifting device, and two slide rails I7 are arranged on the slide rail base; the bottom of the hydraulic lifting tappet 6 is provided with a sliding block 604, the shape of the sliding block 604 is the same as the shape of an inner groove of a slide way I7 on the slide way base 8, so that the sliding block 604 moves back and forth in the slide way I7 to drive the hydraulic lifting tappet 6 to move back and forth, the sliding block 604 and the slide way I7 are lubricated by lubricating grease, two fixing bolts I603 are arranged above the sliding block 604, and when the fixing bolts I603 are tightened, the hydraulic lifting tappet 6 is fastened on the slide way base 8.
The box-type mounting frame 405 is of a box-type symmetrical structure, a plate belt through hole 404 suitable for the plate belt 104 to pass through is reserved in the middle, the box-type mounting frame 405 is vertically symmetrical about the center of the plate belt through hole 404, slide ways II 406 are respectively arranged on the inner sides of the left plate and the right plate of the box-type mounting frame 405, a stepping motor 401 and a lead screw 403 are fixed on the box-type mounting frame 405, the lead screw 403 penetrates through a through hole 407 and is connected with the stepping motor 401, the four stepping motors 401 and the four lead screws 403 are respectively fixed on the box-type mounting frame 405 in a vertically and horizontally symmetrical mode, the stepping motor 401 is fixed through a bolt II 402, and the stepping motor 401 is connected with the lead screw 403 to rotate so as to drive the lubricant injection device 4 to move up and down in the slide ways II 406; the top end of the hydraulic lifting tappet 6 is provided with a flange plate 602 which is fixedly connected with the bottom plate of the box type supporting frame 405 through a bolt III 601.
As shown in figure 3, the lubricating agent injection device 2 comprises a spray head 208, a spray head mounting plate 206, a lifting plate 201, a hydraulic telescopic rod 203 and a connecting rod 204, wherein the lubricating agent injection device 2 is provided with two spray heads which are respectively arranged on a lead screw 403 in an up-and-down symmetrical mode and are positioned on the feeding side of a roller, an oil through pipeline is arranged inside the spray head mounting plate 206 and is matched with the spray head 208 to ensure smooth spraying of lubricating agent, an oil inlet 207 is arranged at the rear part of the spray head mounting plate 206, lubricating agent is supplied to each oil through pipeline by the oil inlet 207 through a plastic hose 3 and is sprayed and sprayed smoothly through the spray head 208, the spray head 208 is fixedly connected with the spray head mounting plate 206 through a bolt IV209, when the spray head 208 breaks down and is damaged, the spray head mounting plate 206 is convenient to replace, and a plurality of spray heads 208 are uniformly arranged on the spray head mounting plate 206 to ensure good spraying effect.
Two bilaterally symmetrical lifting columns 211 are arranged at the rear end of the lifting plate 201, threaded holes 202 matched with the screw rods 403 are formed in the lifting columns 211, sliding columns 212 matched with the sliding ways II 406 are arranged on two sides of the lifting plate 201, lubricating lubrication is performed between the sliding ways II 406 and the sliding columns 212 through grease, and then the rotating motion of the screw rods 403 is converted into the up-and-down motion of the lubricant injection device 2; the hydraulic telescopic rods 203 and the connecting rods 204 are respectively fixed at four corners of the lifting plate 201, the two hydraulic telescopic rods 203 are fixed at two corners of the upper side of the lifting plate 201 and are connected with the spray head mounting plate 206 through hinges 205, the two connecting rods 204 are fixed at two corners of the lower side of the lifting plate 201 and are connected with the spray head mounting plate 206 through pins 210, the spraying angle of the spray head mounting plate 206 can be adjusted through the back and forth movement of the hydraulic telescopic rods 203, so that the lubricant sprayed by the spray heads 208 can be completely dropped on the surface of the roller, and the spraying uniformity is guaranteed.
As shown in fig. 7, the lubricant supply device 9 includes an oil tank 902, a water tank 904, an oil filter 901, a water filter 903, an oil passage valve 906, a water passage valve 905, a pressure gauge 911, an oil passage metering pump 909, a water passage metering pump 910, a check valve 912, a relief valve 913, an oil-water mixer 907, and a pressurizing pump 908; the oil storage tank 902, the oil filter 901, the oil valve 906, the check valve 912 and the oil metering pump 909 are connected through pipelines; the water storage tank 904, the filter 903, the waterway valve 905, the pressure gauge 911 and the waterway metering pump 910 are connected through a pipeline, and a safety valve 913 is connected to the pipeline between the waterway valve 905 and the pressure gauge 911.
The booster pump 908 is connected with one end of the three-phase joint 5 through a pipeline, the other two ends of the three-phase joint 5 are connected with the plastic hoses 3 and are respectively connected with the oil inlets 207 at the rear part of the nozzle mounting plate 206, and the booster pump 908 conveys the lubricant in the oil-water mixing device 907 to the lubricant injection device 2.
As shown in fig. 7, the control center 10 controls a certain amount of oil and a certain amount of water to enter the oil-water mixing device 907 to form a certain concentration of lubricant by setting the values of the pressure gauge 911 and the metering pump 910, when the value of the oil pressure gauge 911 is too large, a part of the oil flows back to the oil storage tank 902 through the check valve 912; the control center 10 controls the magnitude of the boost pressure of the booster pump 908 so as to control the magnitude of the oil injection quantity of the nozzle 208, thereby achieving the purpose of controlling the oil injection quantity; the control center 10 controls the rotation direction of the stepping motor 401, so that the two upper lead screws 403 perform the same rotation motion, and the two lower lead screws 403 perform the same rotation motion to control the up-and-down movement of the lubricant spraying device 2 to adjust the spraying position.
As shown in fig. 8, which is a control flow chart for automatically adjusting the fuel injection amount based on the rolling speed of the present invention, the control center 10 can control the magnitude of the boost pressure P of the boost pump 908 and thus the fuel injection amount of the nozzle 208, and set the rolling speed of the roll as V 0 (m/s), a boost pressure P (Pa) of the booster pump 908, and a flow rate L of the shower head 208 0 (L/min), when the rolling speed V is more than V 0 When the rolling speed V is less than V, the control center 10 increases the pressurizing pressure P of the pressurizing pump 908 to increase the flow rate of the shower head 208 0 In the process, the control center 10 reduces the boost pressure P of the booster pump 908 to reduce the flow rate of the nozzle 208, thereby achieving the purpose of automatically adjusting the fuel injection quantity according to the rolling speed.
As shown in fig. 7, the lubricant has a certain concentration, and the lubricant in the pipeline and the spray head 208 may be saponified to block the spray head 208 due to long-time operation, so as to cause the discontinuity of the oil injection, the oil path valve 906 is closed by rotation, the control center 10 closes the oil path metering pump 909, so that the water path metering pump 910 operates alone, and the saponified lubricant is flushed out of the pipeline and the spray head 208 is cleaned, thereby achieving the purpose of cleaning the lubricant injection device 2.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention; thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Although the reference numerals in the figures are used more here: 101 upper roll, 102 lower roll, 103 frame, 104 plate band, 105 base, 2 lubricant injection device, 3 plastic hose, 4 lubrication support lifting device, 5 three-phase joint, 6 hydraulic lifting tappet, 7 slideway I,8 sliding rail base, 9 lubricant supply device, 10 control center, 201 lifting plate, 202 threaded hole, 203 hydraulic telescopic rod, 204 connecting rod, 205 hinge, 206 nozzle mounting plate, 207 oil inlet, 208 nozzle, 209 bolt IV,210 pin, 211 lifting column, 212 sliding column, 401 stepping motor, 402 bolt II,403 lead screw, 404 plate band through hole, 405 box type mounting frame, 406 slideway II,407 through hole 601, bolt III,602 flange, 603 fixing bolt I,604, 901 oil filter, oil storage tank 902, 903 water filter, water storage tank 904, 905 waterway valve, oil passage 906 valve, 907 oil-water mixer, 908 booster pump, 909 oil passage metering pump, 910 water passage 913, 911 pressure gauge 912, check valve, safety valve, etc., but does not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (3)
1. Rolling process technology lubrication injection apparatus based on rolling speed automatically regulated fuel sprayer, its characterized in that: comprises a main rolling mill, a lubricating support lifting device (4), a lubricant spraying device (2), a lubricant supplying device (9) and a control center (10); the main rolling mill comprises a frame (103), an upper roller (101), a lower roller (102) and a base (105); wherein the lower roller (102) is connected with a motor; the gap between the upper roller (101) and the lower roller (102) is used for rolling a plate strip (104);
the lubricant supply device (9) comprises an oil storage tank (902), a water storage tank (904), an oil filter (901), a water filter (903), an oil way valve (906), a water way valve (905), a pressure gauge (911), an oil way metering pump (909), a water way metering pump (910), a check valve (912), a safety valve (913), an oil-water mixer (907) and a booster pump (908); the oil storage tank (902), the oil filter (901), the oil way valve (906), the check valve (912) and the oil way metering pump (909) are connected through pipelines; the water storage tank (904), the water filter (903), the waterway valve (905), the pressure gauge (911) and the waterway metering pump (910) are connected through pipelines, and a safety valve (913) is connected on the pipeline between the waterway valve (905) and the pressure gauge (911);
the booster pump (908) is connected with one end of the three-phase joint (5) through a pipeline, the other two ends of the three-phase joint (5) are connected with plastic hoses (3) which are respectively connected with an oil inlet (207) at the rear part of the spray head mounting plate (206), and the booster pump (908) conveys the lubricant in the oil-water mixer (907) to the lubricant injection device (2);
the two lubricant spraying devices (2) are respectively and vertically symmetrically arranged on the screw rod (403) and positioned on the feeding sides of the upper roller (101) and the lower roller (102);
the lubricant injection device (2) comprises a spray head (208) and a spray head mounting plate (206); a plurality of spray heads (208) are arranged on the spray head mounting plate (206); the spray head (208) is fixedly connected with the spray head mounting plate (206) through a bolt IV (209), an oil inlet (207) is formed in the rear portion of the spray head mounting plate (206), one end of the oil inlet (207) is connected with the plastic hose (3), and the other end of the oil inlet (207) is connected with the spray head (208);
the lubricating support lifting device (4) comprises a sliding rail base (8), a hydraulic lifting tappet (6), a box-type mounting frame (405), a lead screw (403) and a stepping motor (401); two slide ways I (7) are arranged on the slide rail base (8); the bottom of the hydraulic lifting tappet (6) is provided with a sliding block (604) matched with the slide way I (7), and the sliding block (604) slides forwards and backwards in the slide way I (7) to drive the hydraulic lifting tappet (6) to move forwards and backwards; two fixing bolts I (603) used for fastening the hydraulic lifting tappet (6) on the sliding rail base (8) are arranged above the sliding block (604);
the lubricant spraying device (2) further comprises a lifting plate (201), a hydraulic telescopic rod (203) and a connecting rod (204); the rear end of the lifting plate (201) is provided with two bilaterally symmetrical lifting columns (211), threaded holes (202) matched with the lead screw (403) are formed in the lifting columns (211), sliding columns (212) matched with the sliding ways II (406) are arranged on two sides of the lifting plate (201), the sliding ways II (406) are connected with the sliding columns (212) in a sliding mode, and the lubricating agent injection device (2) is driven to move up and down through the rotating motion of the lead screw (403);
two sides of the lifting plate (201) are respectively and fixedly provided with a hydraulic telescopic rod (203) and a connecting rod (204); the hydraulic telescopic rod (203) is connected with the spray head mounting plate (206) through a hinge (205); the connecting rod (204) is connected with the spray head mounting plate (206) through a pin (210);
the control center controls a certain amount of oil and a certain amount of water to enter the oil-water mixer to form a lubricant with a certain concentration by setting the numerical values of the pressure gauge and the metering pump, and when the numerical value of the oil-water pressure gauge is overlarge, a part of oil flows back to the oil storage tank through the check valve; the control center (10) can control the magnitude of the pressurizing pressure P of the pressurizing pump (908) so as to control the magnitude of the oil injection quantity of the spray head (208), and the rolling speed of the roller is set to be V 0 The boost pressure P of the booster pump (908) is set as the rolling speed V>V 0 When the rolling speed V is less than V, the control center (10) increases the boost pressure P of the booster pump (908) to increase the flow rate of the spray head (208) 0 When the pressure is increased, the control center (10) reduces the boost pressure P of the booster pump (908) to reduce the flow of the spray head (208);
and closing the oil way valve, and closing the oil way metering pump by the control center to enable the water way metering pump to work independently, so that the saponified lubricant is flushed out of the pipeline and the spray head is cleaned.
2. The rolling process technology lubrication injection device capable of automatically adjusting oil injection quantity based on rolling speed according to claim 1, characterized in that: the box-type mounting frame (405) is of a box-type symmetrical structure, and a plate strip through hole (404) suitable for the plate strip (104) to pass through is reserved in the middle; the top end of the hydraulic lifting tappet (6) is provided with a flange plate (602), and the flange plate (602) is fixedly connected with a bottom plate of the box type mounting rack (405) through a bolt III (601).
3. The rolling process technology lubrication injection device capable of automatically adjusting oil injection quantity based on rolling speed according to claim 2, characterized in that: the inboard of board has slide II (406) respectively about box mounting bracket (405), be fixed with step motor (401) and lead screw (403) on box mounting bracket (405), lead screw (403) pass through-hole (407) and are connected with step motor (401), four step motor (401) and four lead screw (403) are fixed on box mounting bracket (405) from top to bottom and bilateral symmetry respectively, step motor (401) are fixed through bolt II (402), step motor (401) are connected lead screw (403) and are rotated and then drive lubricated supporting elevating gear (4) and reciprocate in slide II (406).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110493478.2A CN113210434B (en) | 2021-05-07 | 2021-05-07 | Rolling process technology lubrication injection device capable of automatically adjusting oil injection quantity based on rolling speed |
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| CN202110493478.2A CN113210434B (en) | 2021-05-07 | 2021-05-07 | Rolling process technology lubrication injection device capable of automatically adjusting oil injection quantity based on rolling speed |
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| CN113210434A CN113210434A (en) | 2021-08-06 |
| CN113210434B true CN113210434B (en) | 2022-12-09 |
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| CN114918252A (en) * | 2022-06-17 | 2022-08-19 | 新疆八一钢铁股份有限公司 | Improved roller cooling device |
| CN116393508B (en) * | 2023-05-16 | 2024-01-26 | 张家港扬子江冷轧板有限公司 | Tin plate acid rolling mill |
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