Lubricating device for aluminum alloy casting roller

Abstract

The utility model relates to the technical field of aluminum alloy casting and rolling production equipment, in particular to an aluminum alloy casting and rolling roller lubricating device which comprises a support, the support comprises a transverse plate and a vertical plate, the top face of the transverse plate is connected with three fixed nozzle assemblies, and the three fixed nozzle assemblies are linearly arranged in the length direction of the transverse plate. The top surface of the transverse plate is connected with two nozzle adjusting assemblies, the three fixed nozzle assemblies are all arranged between the two nozzle adjusting assemblies, and the fixed nozzle assemblies and the nozzle adjusting assemblies are fixedly connected to the supporting frame during working, so that transmission structures such as a motor, a guide rod or a chain are not needed; the problem that a traditional casting roller is not evenly lubricated is solved, the problem that a large number of small carbon particles are gathered on the edge of the casting roller and the edge of an aluminum plate is solved, product defects caused by the fact that carbon black is pressed into the surface of the aluminum plate are avoided, the lubricating effect of the casting roller is guaranteed, and product quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloy casting and rolling production equipment, in particular to an aluminum alloy casting and rolling roller lubricating device. Background Art

[0002] The prior art aluminum alloy casting roll lubrication device has a reciprocating motion mechanism, and a single nozzle structure realizes periodic mobile lubrication under the drive of multiple parts such as a motor, a guide rod and a chain.

[0003] The prior art lubrication method of a single nozzle with periodic movement is prone to uneven lubrication of the casting roll, which causes a large number of small carbon particles to accumulate on the edge of the casting roll, resulting in product defects such as carbon black being pressed into the surface of the aluminum plate. In addition, there is also the risk of equipment getting stuck due to reciprocating movement, forcing the machine to shut down and suspend production. Utility Model Content

[0004] The purpose of the utility model is to provide an aluminum alloy casting roller lubrication device, which abandons the prior art method of using a single nozzle structure to achieve periodic mobile lubrication driven by multiple parts such as a motor, a guide rod and a chain, avoids the product defect of uneven lubrication of the casting roller in the prior art, which causes a large number of small carbon particles to accumulate on the edge of the casting roller and the edge of the aluminum plate, causing carbon black to be pressed into the surface of the aluminum plate, and eliminates the problem of equipment jamming and forced shutdown.

[0005] In order to solve the above technical problems, the utility model discloses an aluminum alloy casting roller lubrication device, which includes a bracket, the bracket includes a horizontal plate and a vertical plate, the vertical plate is arranged on the bottom surface of the horizontal plate, the bracket is formed into an angle steel shape by the horizontal plate and the vertical plate, both ends of the bracket are connected to the casting and rolling machine, a fixed nozzle assembly is connected to the top surface of the horizontal plate, the fixed nozzle assembly includes a nozzle and a support frame I, the support frame I is fixedly connected to the top surface of the horizontal plate, the nozzle is fixedly connected between the support frame I and the horizontal plate, a cavity is arranged in the center of the nozzle, the front end of the nozzle extends out of the horizontal plate, a plurality of oil spray holes are arranged at the front end of the nozzle, the plurality of oil spray holes are linearly evenly distributed along the length direction of the aluminum alloy casting roller, the plurality of oil spray holes face the aluminum alloy casting roller, and a screw hole I is arranged at the rear end of the nozzle.

[0006] Furthermore, the support frame I includes a top plate I and two vertical plates I, and the top plate I and the two vertical plates I form an n shape. The two vertical plates I are welded to the top surface of the horizontal plate away from the bottom end of the top plate I. The top plate I is provided with a screw hole II. The fixed nozzle assembly includes a fixing bolt, and the fixing bolt includes a stud, a hexagonal head and a pressure plate. The hexagonal head is fixedly connected to the top end of the stud, and the pressure plate is fixedly connected to the bottom end of the stud. The stud is connected in the screw hole II, the hexagonal head is arranged above the top plate I, and the pressure plate is arranged below the top plate I. The nozzle is connected between the top plate I and the horizontal plate, and the bottom surface of the pressure plate is crimped onto the top surface of the lubricating oil nozzle.

[0007] Furthermore, the fixed nozzle assembly includes a flat washer, a rubber washer and an elastic washer, which are all sleeved on the stud. The flat washer, the rubber washer and the elastic washer are all crimped between the bottom surface of the hexagonal head and the top surface of the top plate I. Along the direction from the hexagonal head to the top plate I, there are the elastic washer, the flat washer and the rubber washer in sequence.

[0008] Furthermore, there are three fixed nozzle assemblies, and the three fixed nozzle assemblies are linearly arranged along the length direction of the transverse plate.

[0009] Furthermore, it includes a mixing chamber, an air supply pipe and a lubricating oil supply pipe are provided on the mixing chamber, the air supply pipe is connected to a valve I, the lubricating oil supply pipe is connected to a valve II, an output pipe I is provided on the mixing chamber, a four-way quick-connect joint is connected to one end of the output pipe I away from the mixing chamber, the four-way quick-connect joint includes four interfaces, the output pipe I is connected to one of the four interfaces of the four-way quick-connect joint, the screw holes I of the nozzles in the three fixed nozzle assemblies are all connected to quick-connect straight plugs, and connecting pipes I are connected between the three quick-connect straight plugs and the three interfaces of the four-way quick-connect joint that are not connected to the output pipe I.

[0010] Furthermore, an adjusting nozzle assembly is connected to the top surface of the horizontal plate, and two adjusting nozzle assemblies are provided. Three fixed nozzle assemblies are arranged between the two adjusting nozzle assemblies, and each adjusting nozzle assembly includes a nozzle, a support frame II, a slider and a fixing bolt. The support frame II includes a top plate II and two vertical plates II. A top plate II and two vertical plates II form an n shape. The bottom ends of the two vertical plates II away from the top plate II are welded to the top surface of the horizontal plate. The slider is slidably connected to the top plate II. A screw hole III is provided in the center of the slider. The stud is connected in the screw hole III. The hexagonal head is arranged above the top plate II, and the pressure plate is arranged below the top plate II. The nozzle is connected between the top plate II and the horizontal plate, and the bottom surface of the pressure plate is crimped onto the top surface of the lubricating oil nozzle.

[0011] Furthermore, a slide groove is provided on the top plate II, and the slide groove is arranged along the length direction of the top plate II. The upper and lower ends of the slide groove are both open, and side grooves are provided on the left and right side walls of the slide groove. The left and right side walls of the sliding block are provided with protrusions, and the two protrusions are respectively slidably connected to the two side grooves.

[0012] Furthermore, each of the adjustment nozzle assemblies includes a flat washer, a rubber washer and an elastic washer, which are all sleeved on the studs. The flat washer, the rubber washer and the elastic washer are all crimped between the bottom surface of the hexagonal head and the top surface of the top plate II. Along the direction from the hexagonal head to the top plate II, there are elastic washers, flat washers and rubber gaskets in sequence.

[0013] Furthermore, the screw holes Ⅰ of the nozzles in the two adjusting nozzle assemblies are connected to quick-connect straight plugs, two output pipes Ⅱ are provided on the mixing chamber, the ends of the two output pipes Ⅱ away from the mixing chamber are connected to valves Ⅲ, the ends of the two valves Ⅲ away from the output pipe Ⅱ are connected to connecting pipes Ⅱ, the ends of the two connecting pipes Ⅱ away from valves Ⅲ are connected to straight-insert quick-connect joints, and connecting hoses are connected between the ends of the straight-insert quick-connect joints away from the connecting pipe Ⅱ and the two quick-connect straight plugs.

[0014] Furthermore, one end of the bracket is fixedly connected to a support seat, and an insert plate is provided at the end of the support seat away from the bracket. A fixed base is fixedly connected to the cast-rolling mill arch, and a groove is provided on the fixed base. The insert plate is inserted into the groove. A pin hole I is provided on the insert plate, and pin holes II are provided on the upper and lower side walls of the groove. Pin hole I is provided between the two pin holes II, and pin hole I is coaxial with the two pin holes II. A fixing pin is inserted into the pin hole I and the two pin holes II. A fixing hole is provided at the end of the bracket not connected to the support seat, and the fixing hole is connected to the cast-rolling mill through fasteners.

[0015] The beneficial effects of the utility model are as follows: the fixed nozzle assembly and the adjustable nozzle assembly of the utility model are fixedly connected to the support frame when working, and the lubrication transmission method of the prior art in which a single nozzle moves periodically is abandoned. There is no need to use transmission structures such as motors, guide rods or chains, which solves the problem of uneven lubrication of traditional casting rollers, forms a large area of ​​lubricating medium coverage in the length direction of the casting roller, and can adjust the nozzle position in the nozzle assembly according to the width of the cast-rolled aluminum plate, so that the lubricating medium covers the edge of the cast-rolled aluminum plate and the edge of the machine-casting roller, solves the problem of a large number of small carbon particles gathering on the edge of the casting roller and the edge of the aluminum plate, avoids product defects caused by carbon black pressing into the surface of the aluminum plate, and eliminates the risk of equipment jamming and forced shutdown due to the reciprocating activity of the traditional lubrication mechanism; the utility model can meet the use of a variety of lubricating media, that is, the traditional smoke carbon combustion lubrication method and the graphite spraying lubrication method can be used to reduce carbon emissions and promote low-carbon manufacturing; the utility model ensures the lubrication effect of the casting roller, ensures the smooth operation of the casting mill, improves product quality, and promotes low-carbon production. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a top view of the structure of the adjustable nozzle assembly of the utility model;

[0018] Figure 3 For this utility model Figure 2 AA section view;

[0019] Figure 4 This is a schematic diagram of the structure of the support frame II of the utility model;

[0020] Figure 5 It is a cross-sectional view of the support frame II of the utility model;

[0021] Figure 6 It is a cross-sectional view of the slider of the utility model;

[0022] Figure 7 This is a top view of the structure of the fixed nozzle assembly of the utility model;

[0023] Figure 8 For this utility model Figure 7 BB cross-sectional view;

[0024] Fig. 9 It is a cross-sectional view of the support frame I of the utility model;

[0025] Fig.10 This is a schematic diagram of the structure of the fixing bolt of the utility model;

[0026] Fig.11 This is a structural schematic diagram of the oil supply pipeline of the fixed nozzle assembly of the utility model;

[0027] Fig.12 This is a structural schematic diagram of the oil supply pipeline of the regulating nozzle assembly of the utility model;

[0028] Fig.13 It is a structural schematic diagram of the connection between the support seat and the fixed base of the utility model.

[0029] In the figure: 1. bracket; 101. horizontal plate; 102. vertical plate; 103. fixing hole; 2. support base; 201. plug plate; 202. pin hole I; 3. fixing base; 301. groove; 302. pin hole II; 4. fixing pin; 5. nozzle; 501. oil injection hole; 502. screw hole I; 6. support frame I; 601. top plate I; 602. vertical plate I; 603. screw hole II; 7. fixing bolt; 701. stud; 702. hexagonal head; 703. pressure plate; 8. flat washer; 9. rubber gasket; 10. elastic washer; 11. 1. Quick-connect straight plug; 12. Support frame II; 1201. Top plate II; 1202. Vertical plate II; 1203. Slide; 1204. Side groove; 13. Slider; 1301. Screw hole III; 1302. Bump; 14. Mixing chamber; 15. Air supply pipeline; 16. Lubricating oil supply pipeline; 17. Valve I; 18. Valve II; 19. Output pipeline I; 20. Four-way quick-connect joint; 21. Connecting pipe I; 22. Output pipeline II; 23. Valve III; 24. Connecting pipe II; 25. Straight quick-connect joint; 26. Connecting hose. DETAILED DESCRIPTION

[0030] like Figure 1-Figure 13As shown, the utility model is an aluminum alloy casting roll lubrication device comprising a bracket 1, the bracket 1 comprising a transverse plate 101 and a vertical plate 102, the vertical plate 102 being arranged on the bottom surface of the transverse plate 101, the bracket 1 being formed into an angle steel shape by the transverse plate 101 and the vertical plate 102, the two ends of the bracket 1 being connected to the casting and rolling machine, the top surface of the transverse plate 101 being connected with a fixed nozzle assembly, the fixed nozzle assembly comprising a nozzle 5 and a support frame Ⅰ6, the support frame Ⅰ6 being fixedly connected to the top surface of the transverse plate 101, the nozzle 5 being fixedly connected between the support frame Ⅰ6 and the transverse plate 101, a cavity being arranged at the center of the nozzle 5, the front end of the nozzle 5 extending out of the transverse plate 101, a plurality of oil spray holes 501 being arranged at the front end of the nozzle 5, the plurality of oil spray holes 501 being linearly evenly distributed along the length direction of the aluminum alloy casting roll. , multiple oil injection holes 501 face the aluminum alloy casting roll, and a screw hole Ⅰ502 is provided at the rear end of the nozzle 5; the support frame Ⅰ6 includes a top plate Ⅰ601 and two vertical plates Ⅰ602, a top plate Ⅰ601 and two vertical plates Ⅰ602 form an n shape, and the bottom ends of the two vertical plates Ⅰ602 away from the top plate Ⅰ601 are welded to the top surface of the horizontal plate 101, and the top plate Ⅰ601 is provided with a screw hole Ⅱ603, and the fixed nozzle assembly includes a fixing bolt 7, and the fixing bolt 7 includes a stud 701, a hexagonal head 702 and a pressing plate 703, the hexagonal head 702 is fixedly connected to the top end of the stud 701, and the pressing plate 703 is fixedly connected to the bottom end of the stud 701, and the stud 701 is connected in the screw hole Ⅱ603, and the hexagonal head 702 is arranged above the top plate Ⅰ601, and the pressing plate 703 is fixedly connected to the bottom end of the stud 701. Plate 703 is arranged below top plate Ⅰ601, nozzle 5 is connected between top plate Ⅰ601 and cross plate 101, and the bottom surface of pressure plate 703 is pressed on the top surface of lubricating oil nozzle 5; fixed nozzle assembly includes flat washer 8, rubber gasket 9 and elastic gasket 10, flat washer 8, rubber gasket 9 and elastic gasket 10 are all sleeved on stud 701, flat washer 8, rubber gasket 9 and elastic gasket 10 are all pressed between the bottom surface of hexagonal head 702 and the top surface of top plate Ⅰ601, and along the direction from hexagonal head 702 to top plate Ⅰ601 are elastic gasket 10, flat washer 8 and rubber gasket 9 in sequence; fixed nozzle assembly is provided with three, and three fixed nozzle assembly are linearly arranged along the length direction of cross plate 101; the utility model includes mixing chamber 14, An air supply pipe 15 and a lubricating oil supply pipe 16 are provided on the mixing chamber 14, the air supply pipe 15 is connected to a valve Ⅰ17, the lubricating oil supply pipe 16 is connected to a valve Ⅱ18, an output pipe Ⅰ19 is provided on the mixing chamber 14, and a four-way quick-connect joint 20 is connected to one end of the output pipe Ⅰ19 away from the mixing chamber 14, the four-way quick-connect joint 20 includes four interfaces, the output pipe Ⅰ19 is connected to one of the four interfaces of the four-way quick-connect joint 20, the screw holes Ⅰ502 of the nozzles 5 in the three fixed nozzle assemblies are all connected to quick-connect straight plugs 11, and connecting pipes Ⅰ21 are connected between the three quick-connect straight plugs 11 and the three interfaces of the four-way quick-connect joint 20 that are not connected to the output pipe Ⅰ19.

[0031] Since the outer diameter of the pressing plate 703 may be larger than the inner diameter of the screw hole II 603, since the large area of ​​the pressing plate 703 can improve the stability of the crimping and prevent the crimping nozzle 5 from being crushed, the pressing plate 703 and the stud 701 should be designed as a split structure when processing and installing the fixing bolt 7. When installing, first connect the elastic washer 10, the flat washer 8 and the rubber gasket 9 to the stud 701, then pass the stud 701 through the screw hole II 603, and finally install the pressing plate 703. After the pressure plate 703 is connected in place, the overall adjustment of the fixing bolt 7 is performed. The split pressure plate 703 structure can be disassembled after installation. If the fixing bolt 7 is designed as an integral structure, it is necessary to first connect the elastic washer 10, the flat washer 8 and the rubber gasket 9 to the stud 701, and then pass the stud 701 through the screw hole II 603, and finally weld the pressure plate 703 to form an integrated fixing bolt 7. The integrated fixing bolt 7 can only be disassembled after the pressure plate 703 is cut off after it is connected in place.

[0032] In the utility model, three fixed nozzle assemblies are distributed in the length direction of the aluminum alloy casting roller, and the air supply pipe 15 and the lubricating oil supply pipe 16 supply compressed air and lubricating oil to the mixing chamber 14. The compressed air and the lubricating oil converge and mix in the mixing chamber 14. After being uniformly mixed in the mixing chamber 14, the compressed air and the lubricating oil enter the nozzle 5 through the output pipe Ⅰ19, the four-way quick-connect joint 20 and the three connecting pipes Ⅰ21 through the quick-connect straight plug 11, and then are sprayed onto the surface of the aluminum alloy casting roller through the multiple oil spray holes 501 of the nozzle 5 to achieve lubrication of the aluminum alloy casting roller. The lubricating medium sprayed from the multiple oil spray holes 501 of each nozzle 5 forms a fan shape, thereby expanding the coverage of the lubricating medium sprayed from each nozzle 5. In actual use, in order to ensure that the lubricating medium forms a fan shape and further expand the coverage of the lubricating medium, the oil spray holes 501 can be designed as elliptical holes arranged in a horizontal flat manner.

[0033] The mixing chamber 14 is a component frequently used in this field, and its detailed structure will not be described in detail here. The arrangement of the four-way quick-connect joint 20 and the quick-connect straight plug 11 facilitates the connection of pipelines. In actual use, the three connecting pipes I 21 can be processed and installed on-site according to the actual positions of the three nozzles 5.

[0034] Valve I 17 and valve II 18 are used to control the on-off of the air supply pipeline 15 and the lubricating oil supply pipeline 16 and to adjust the flow of compressed air and lubricating oil.

[0035] Since the width of the aluminum plate cast on the aluminum alloy casting roller may vary, the lubrication method of the prior art of periodically moving a single nozzle is likely to cause a large number of small carbon particles to accumulate on the edges of the aluminum alloy casting roller and the aluminum plate. In order to solve the problem of small carbon particles accumulating on the edges of the aluminum alloy casting roller and the aluminum plate, the utility model provides an adjustable nozzle assembly, and the top surface of the horizontal plate 101 is connected with an adjustable nozzle assembly, and two adjustable nozzle assemblies are provided, and three fixed nozzle assemblies are arranged between the two adjustable nozzle assemblies, and each adjustable nozzle assembly includes a nozzle 5, a support frame II 12, a slider 13 and a fixing bolt 7, and the support frame II 12 includes a top plate II 1201 and two vertical plates II 1202, a top plate II 1201 and two vertical plates II 1202 form an n shape, the bottom ends of the two vertical plates II 1202 away from the top plate II 1201 are welded to the top surface of the horizontal plate 101, the slider 13 is slidably connected to the top plate II 1201, the center of the slider 13 is provided with a screw hole III 1301, the stud 701 is connected in the screw hole III 1301, the hexagonal head 702 is arranged above the top plate II 1201, the pressure plate 703 is arranged below the top plate II 1201, the nozzle 5 is connected between the top plate II 1201 and the horizontal plate 101, and the bottom surface of the pressure plate 703 is pressed on the top surface of the lubricating oil nozzle 5; the top plate II 1201 is provided with a slide groove 1203, and the slide groove 1203 is along the The top plate II 1201 is arranged in the length direction, the upper and lower ends of the slide groove 1203 are both open, and the left and right side walls of the slide groove 1203 are provided with side grooves 1204, and the left and right side walls of the slider 13 are provided with protrusions 1302, and the two protrusions 1302 are respectively slidably connected to the two side grooves 1204; each of the adjustment nozzle assemblies includes a flat washer 8, a rubber gasket 9 and an elastic gasket 10, and the flat washer 8, the rubber gasket 9 and the elastic gasket 10 are all sleeved on the stud 701, and the flat washer 8, the rubber gasket 9 and the elastic gasket 10 are all crimped between the bottom surface of the hexagonal head 702 and the top surface of the top plate II 1201, along the hexagonal head 702 to the top plate The directions of Ⅱ1201 are elastic gasket 10, flat gasket 8 and rubber gasket 9 in sequence; the screw holes Ⅰ502 of the nozzles 5 in the two adjusting nozzle assemblies are connected with quick-connect straight plugs 11, and two output pipes Ⅱ22 are provided on the mixing chamber 14, and the ends of the two output pipes Ⅱ22 away from the mixing chamber 14 are connected with valves Ⅲ23, and the ends of the two valves Ⅲ23 away from the output pipes Ⅱ22 are connected with connecting pipes Ⅱ24, and the ends of the two connecting pipes Ⅱ24 away from the valves Ⅲ23 are plugged with straight quick-connect joints 25, and connecting hoses 26 are connected between the ends of the straight quick-connect joints 25 away from the connecting pipes Ⅱ24 and the two quick-connect straight plugs 11.

[0036] When in use, the positions of the lubricating nozzles 5 of the two adjusting nozzle assemblies are determined according to the width of the cast-rolled aluminum plate billet, so that the lubricating nozzles 5 of the two adjusting nozzle assemblies are directed toward the edges of the cast-rolled aluminum plate billet, while the lubricating nozzles 5 of the three fixed nozzle assemblies are directed toward the middle of the cast-rolled aluminum plate billet. The crimping positioning of the lubricating nozzles 5 of the adjusting nozzle assemblies after the position change is achieved by sliding the slider 13 on the top plate II 1201. The connection between the fixing bolt 7 and the screw hole III 1301 in the adjusting nozzle assembly may also consider adopting a split structure of the stud 701 and the pressure plate 703. In addition, since the slide groove 1203 and the side groove 1204 are blocked by the vertical plate II 1202, considering the installation of the slider 13, the vertical plate II 1202 and the top plate II 1201 may be set as a split and detachable connection mode, or the top plate II 1201 may be set as a detachable connection mode of two top plates.

[0037] After being evenly mixed in the mixing chamber 14, the compressed air and the lubricating oil enter the lubricating nozzles 5 of the two adjustable nozzle assemblies through the output pipe II 22, the valve III 23, the connecting pipe II 24, the straight plug quick connector 25, the connecting hose 26 and the quick connect straight plug 11. Since the lubricating nozzles 5 of the two adjustable nozzle assemblies need to be adjusted in position, a connecting hose 26 is provided for connection. The two valves III 23 are provided to control the flow rate of the output pipe II 22 respectively, thereby controlling the flow supply size of the lubricating nozzles 5 of the two adjustable nozzle assemblies respectively, thereby realizing differentiated spray lubrication at the edges of the casting roll and the edges of the aluminum plate.

[0038] One end of the bracket 1 is fixedly connected to a support seat 2, and an insert plate 201 is provided at the end of the support seat 2 facing away from the bracket 1. A fixed base 3 is fixedly connected to the casting and rolling mill arch, and a groove 301 is provided on the fixed base 3. The insert plate 201 is inserted into the groove 301. A pin hole I 202 is provided on the insert plate 201. Pin holes II 302 are provided on the upper and lower side walls of the groove 301. The pin hole I 202 is provided between the two pin holes II 302. The pin hole I 202 is coaxial with the two pin holes II 302. A fixing pin 4 is inserted into the pin hole I 202 and the two pin holes II 302. A fixing hole 103 is provided at the end of the bracket 1 not connected to the support seat 2, and the fixing hole 103 is connected to the casting and rolling mill through a fastener.

[0039] The utility model is connected to the casting and rolling mill through the support seat 2, the fixed base 3 and the fixed hole 103. In actual use, the specific size and specific position need to be adjusted according to the actual situation on site. The bracket 1 at the end of the fixed hole 103 can also be directly welded to the appropriate position of the casting and rolling mill.

[0040] This embodiment is described in the form of three fixed nozzle assemblies. In actual use, the number of appropriate fixed nozzle assemblies can be set according to the length of the aluminum alloy casting roll.

Claims

1. An aluminum alloy casting roll lubrication device, characterized in that: The invention comprises a bracket (1), wherein the bracket (1) comprises a transverse plate (101) and a vertical plate (102), wherein the vertical plate (102) is arranged on the bottom surface of the transverse plate (101), and the bracket (1) is formed into an angle steel shape by the transverse plate (101) and the vertical plate (102). The two ends of the bracket (1) are connected to the casting and rolling mill, and a fixed nozzle assembly is connected to the top surface of the transverse plate (101), wherein the fixed nozzle assembly comprises a nozzle (5) and a support frame I (6), wherein the support frame I (6) is fixedly connected to the top surface of the transverse plate (101), and the nozzle (5) is fixedly connected between the support frame I (6) and the transverse plate (101). A cavity is arranged at the center of the nozzle (5), and the front end of the nozzle (5) extends out of the transverse plate (101). A plurality of oil spray holes (501) are arranged at the front end of the nozzle (5), and the plurality of oil spray holes (501) are linearly evenly distributed along the length direction of the aluminum alloy casting and rolling roller, and the plurality of oil spray holes (501) face the aluminum alloy casting and rolling roller. A screw hole I (502) is arranged at the rear end of the nozzle (5).

2. The aluminum alloy casting roll lubrication device according to claim 1, characterized in that: The support frame I (6) includes a top plate I (601) and two vertical plates I (602), wherein the top plate I (601) and the two vertical plates I (602) form an n-shape, wherein the bottom ends of the two vertical plates I (602) away from the top plate I (601) are welded to the top surface of the horizontal plate (101), and the top plate I (601) is provided with a screw hole II (603). The fixed nozzle assembly includes a fixing bolt (7), and the fixing bolt (7) includes a stud (701), a hexagonal head (702) and a pressure The plate (703) is fixedly connected to the top of the stud (701), the pressure plate (703) is fixedly connected to the bottom of the stud (701), the stud (701) is connected in the screw hole II (603), the hexagonal head (702) is arranged above the top plate I (601), the pressure plate (703) is arranged below the top plate I (601), the nozzle (5) is connected between the top plate I (601) and the cross plate (101), and the bottom surface of the pressure plate (703) is pressed on the top surface of the lubricating oil nozzle (5).

3. The aluminum alloy casting roll lubrication device according to claim 2 is characterized in that: The fixed nozzle assembly comprises a flat washer (8), a rubber washer (9) and an elastic washer (10); the flat washer (8), the rubber washer (9) and the elastic washer (10) are all sleeved on the stud (701); the flat washer (8), the rubber washer (9) and the elastic washer (10) are all crimped between the bottom surface of the hexagonal head (702) and the top surface of the top plate I (601); and along the direction from the hexagonal head (702) to the top plate I (601), the elastic washer (10), the flat washer (8) and the rubber washer (9) are arranged in sequence.

4. The aluminum alloy casting roll lubrication device according to claim 3 is characterized in that: The fixed nozzle assemblies are provided in three numbers, and the three fixed nozzle assemblies are linearly arranged along the length direction of the transverse plate (101).

5. The aluminum alloy casting roll lubrication device according to claim 4, characterized in that: The invention comprises a mixing chamber (14), an air supply pipe (15) and a lubricating oil supply pipe (16) are provided on the mixing chamber (14), a valve I (17) is connected to the air supply pipe (15), a valve II (18) is connected to the lubricating oil supply pipe (16), an output pipe I (19) is provided on the mixing chamber (14), a four-way quick-connect joint (20) is connected to one end of the output pipe I (19) away from the mixing chamber (14), the four-way quick-connect joint (20) comprises four interfaces, the output pipe I (19) is connected to one of the four interfaces of the four-way quick-connect joint (20), the screw holes I (502) of the nozzles (5) in the three fixed nozzle assemblies are all connected to quick-connect straight plugs (11), and connecting pipes I (21) are all connected between the three quick-connect straight plugs (11) and the three interfaces of the four-way quick-connect joint (20) not connected to the output pipe I (19).

6. The aluminum alloy casting roll lubrication device according to claim 5, characterized in that: The top surface of the horizontal plate (101) is connected to an adjustable nozzle assembly, two adjustable nozzle assemblies are provided, and three fixed nozzle assemblies are arranged between the two adjustable nozzle assemblies. Each adjustable nozzle assembly includes a nozzle (5), a support frame II (12), a slider (13) and a fixing bolt (7). The support frame II (12) includes a top plate II (1201) and two vertical plates II (1202). The top plate II (1201) and the two vertical plates II (1202) form an n-shape, and the two vertical plates II (1202) are away from the top plate II (1 The bottom ends of the sliding blocks (13) and (130) are welded to the top surface of the transverse plate (101), the sliding block (13) is slidably connected to the top plate II (1201), a screw hole III (1301) is provided at the center of the sliding block (13), the stud (701) is connected in the screw hole III (1301), the hexagonal head (702) is provided above the top plate II (1201), the pressure plate (703) is provided below the top plate II (1201), the nozzle (5) is connected between the top plate II (1201) and the transverse plate (101), and the bottom surface of the pressure plate (703) is crimped onto the top surface of the lubricating oil nozzle (5).

7. The aluminum alloy casting roll lubrication device according to claim 6, characterized in that: The top plate II (1201) is provided with a slide groove (1203), which is arranged along the length direction of the top plate II (1201), and the upper and lower ends of the slide groove (1203) are both open, and the left and right side walls of the slide groove (1203) are provided with side grooves (1204), and the left and right side walls of the sliding block (13) are provided with protrusions (1302), and the two protrusions (1302) are respectively slidably connected to the two side grooves (1204).

8. The aluminum alloy casting roll lubrication device according to claim 7, characterized in that: Each of the regulating nozzle assemblies comprises a flat washer (8), a rubber washer (9) and an elastic washer (10); the flat washer (8), the rubber washer (9) and the elastic washer (10) are all sleeved on the stud (701); the flat washer (8), the rubber washer (9) and the elastic washer (10) are all crimped between the bottom surface of the hexagonal head (702) and the top surface of the top plate II (1201); and along the direction from the hexagonal head (702) to the top plate II (1201), the elastic washer (10), the flat washer (8) and the rubber washer (9) are arranged in sequence.

9. The aluminum alloy casting roll lubrication device according to claim 8, characterized in that: The screw holes I (502) of the nozzles (5) in the two regulating nozzle assemblies are connected to quick-connect straight plugs (11), the mixing chamber (14) is provided with two output pipes II (22), the ends of the two output pipes II (22) away from the mixing chamber (14) are connected to valves III (23), the ends of the two valves III (23) away from the output pipes II (22) are connected to connecting pipes II (24), the ends of the two connecting pipes II (24) away from the valves III (23) are plugged with straight-insert quick-connect joints (25), and connecting hoses (26) are connected between the ends of the straight-insert quick-connect joints (25) away from the connecting pipes II (24) and the two quick-connect straight plugs (11).

10. An aluminum alloy casting roll lubrication device according to any one of claims 1 to 9, characterized in that: The support (1) is fixedly connected to a support seat (2) at one end, and a plug plate (201) is provided at one end of the support seat (2) facing away from the support (1). A fixed base (3) is fixedly connected to the cast-rolling machine arch, and a groove (301) is provided on the fixed base (3). The plug plate (201) is inserted into the groove (301), and a pin hole I (202) is provided on the plug plate (201). Pin holes II (302) are provided on the upper and lower side walls of the groove (301). The pin hole I (202) is provided between two pin holes II (302), and the pin hole I (202) is coaxial with the two pin holes II (302). A fixing pin (4) is inserted into the pin hole I (202) and the two pin holes II (302). A fixing hole (103) is provided at the end of the support (1) not connected to the support seat (2), and the fixing hole (103) is connected to the cast-rolling machine via a fastener.

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