Polishing device for bearing cap production

Abstract

The utility model relates to the technical field of bearing cap production, in particular to a polishing device for bearing cap production, which can polish the top and the side surface of a bearing cap at the same time, is simple to operate and improves the working efficiency. Comprising a bottom plate, four bases, a rotating device, a clamping device, a moving device, a grinding device and a lifting device, the four bases are installed on the left front side, the left rear side, the right front side and the right rear side of the bottom end of the bottom plate correspondingly, the rotating device is installed on the right side of the top end of the bottom plate, the clamping device is installed on the rotating device, and the moving device is installed on the left side of the top end of the bottom plate; the first motor is installed at the right end of the bottom plate, the rotating shaft is rotationally installed at the top end of the bottom plate, and the two first belt wheels are installed at the output end of the first motor and the middle of the rotating shaft correspondingly and are in synchronous transmission through a first belt.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing cover production, in particular to a grinding device for bearing cover production. Background Art

[0002] The bearing cover is a key mechanical component, usually used in gearboxes, engines or other mechanical equipment. It refers to the component covering the outer ring of the bearing. It is used to protect the bearing and prevent external dust, water vapor, etc. from entering the bearing and affecting the normal operation of the bearing.

[0003] The bearing cover needs to be polished during the processing, but the existing polishing device can only polish one side of the bearing cover, and the side of the bearing cover also needs to be polished, so that after polishing one side, the other side needs to be polished, the operation is cumbersome, resulting in low work efficiency. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a grinding device for bearing cover production, which can grind the top and side of the bearing cover at the same time by setting this equipment, is simple to operate, and improves its work efficiency.

[0005] The utility model discloses a grinding device for producing a bearing cover, comprising a base plate, four groups of bases, a rotating device, a clamping device, a moving device, a grinding device and a lifting device, wherein the four groups of bases are respectively mounted on the left front side, the left rear side, the right front side and the right rear side of the bottom end of the base plate, the rotating device is mounted on the right side of the top end of the base plate, the clamping device is mounted on the rotating device, the moving device is mounted on the left side of the top end of the base plate, the lifting device is mounted on the top of the moving device, and the grinding device is mounted on the lifting device.

[0006] Preferably, the rotating device includes a first motor, two groups of first pulleys, a first belt, a rotating shaft and a turntable. The first motor is installed at the right end of the base plate, the rotating shaft is rotatably installed at the top of the base plate, the two groups of first pulleys are respectively installed at the output end of the first motor and the middle of the rotating shaft, the two groups of first pulleys are synchronously driven by the first belt, the turntable is installed at the top of the rotating shaft, and the clamping device is installed at the top of the turntable.

[0007] Preferably, the clamping device includes three groups of arc-shaped support plates, three groups of first screws, three groups of sliders, three groups of first bevel gears, second bevel gears, a second motor and two groups of support frames. Three groups of slide grooves are evenly arranged at the top of the turntable, and a circular groove is arranged in the middle of the top of the turntable. The three groups of first screws are rotatably installed in the three groups of slide grooves, and the inner ends of the three groups of first screws are all located in the circular grooves of the turntable. The three groups of sliders are respectively threadedly connected with the three groups of first screws, and the three groups of sliders are slidingly connected with the three groups of slide grooves of the turntable. The three groups of arc-shaped support plates are respectively installed on the top of the three groups of sliders, and the second motor is installed in the middle of the top of the turntable through two groups of support frames. The second bevel gear is installed at the output end of the second motor, and the three groups of first bevel gears are respectively installed on the inner ends of the three groups of first screws, and the second bevel gear is meshed with the three groups of first bevel gears.

[0008] Preferably, the moving device includes two groups of first fixed seats, a second screw, four groups of second fixed seats, two groups of guide rods, a third motor and an L-shaped frame, the two groups of first fixed seats are symmetrically mounted on the left side of the top end of the base plate, the second screw is rotatably mounted on the two groups of first fixed seats, the four groups of second fixed seats are symmetrically mounted on the front and rear of the left side of the top end of the base plate, the two groups of guide rods are respectively mounted on the two front groups of second fixed seats and the two rear groups of second fixed seats, a threaded hole is provided in communication on the middle side of the bottom of the L-shaped frame, the L-shaped frame is threadedly connected to the second screw, sliding holes are provided on the front and rear sides of the bottom of the L-shaped frame, the L-shaped frame is slidably connected to the two groups of guide rods, the third motor is mounted on the left end of the first fixed seat on the left, the output end of the third motor passes through the first fixed seat on the left and is connected to the left end of the second screw, and the lifting device is mounted on the top of the L-shaped frame.

[0009] Preferably, the grinding device includes a movable frame, a first rotating shaft, a first grinding roller, a fourth motor, a third fixed seat, a second rotating shaft, a second grinding roller, a mounting plate, two groups of connecting columns and a transmission device, the movable frame is installed at the bottom end of the lifting device, the first rotating shaft is rotatably installed in the upper part of the movable frame, the first grinding roller is installed on the first rotating shaft, the fourth motor is installed at the right end of the movable frame, the output end of the fourth motor passes through the right end of the movable frame and is connected with the right end of the first rotating shaft, the third fixed seat is installed on the left side of the movable frame, the top end of the second rotating shaft is rotatably connected to the bottom end of the third fixed seat, the bottom end of the second rotating shaft is rotatably connected to the right side of the top end of the mounting plate, the mounting plate is installed on the left side of the bottom end of the movable frame through two groups of connecting columns, the second grinding roller is installed on the second rotating shaft, the transmission device is installed on the top end of the mounting plate, and the transmission device is cooperatively connected with the left end of the first rotating shaft and the bottom end of the second rotating shaft.

[0010] Preferably, the lifting device includes a hydraulic cylinder, which is installed on the top of the L-shaped frame, and the output end of the hydraulic cylinder passes through the top of the L-shaped frame and is connected to the middle of the top of the moving frame.

[0011] Preferably, the transmission device includes a third bevel gear, a fourth bevel gear, a third rotating shaft, two sets of second pulleys and a second belt. The left end of the first rotating shaft passes through the left end of the movable frame and extends to its left side. The third bevel gear is installed at the left end of the first rotating shaft. The fourth bevel gear is installed at the top of the third rotating shaft. The third rotating shaft is installed at the left end of the movable frame through a support plate. The two sets of second pulleys are respectively installed at the bottom of the fourth motor and the bottom of the second rotating shaft. The two sets of second pulleys are synchronously driven by the second belt.

[0012] Preferably, it also includes two groups of telescopic tubes and two groups of telescopic rods, the two groups of telescopic tubes are respectively installed on the left and right sides of the top end of the L-shaped frame, the two groups of telescopic rods are respectively installed on the left and right sides of the top end of the mobile frame, and the two groups of telescopic rods are slidably connected to the two groups of telescopic tubes.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the bearing cover is fixed by the clamping device, and then the moving device is opened, and the moving device drives the grinding device to move to the right. When the grinding device moves to the specified position, the lifting device is opened, and the lifting device drives the grinding device to move downward. When the grinding is in contact with the bearing cover, the grinding device is opened, and the rotating device is opened at the same time, and the rotating device drives the bearing cover on the clamping device to rotate, so that the grinding device grinds the bearing cover in all directions. By setting this equipment, the top and side of the bearing cover can be grinded at the same time, the operation is simple, and its work efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 yes Figure 1 A schematic diagram of a top view structure;

[0016] Figure 3 yes Figure 1 A is a schematic diagram of the enlarged structure of the middle part;

[0017] Figure 4 yes Figure 1 A schematic diagram of the enlarged structure of B;

[0018] Markings in the accompanying drawings: 1, bottom plate; 2, base; 3, first motor; 4, first pulley; 5, first belt; 6, rotating shaft; 7, turntable; 8, arc support plate; 9, first screw; 10, slider; 12, first bevel gear; 13, second bevel gear; 14, second motor; 15, support frame; 16, first fixed seat; 17, second screw; 19, second fixed seat; 20, guide rod; 21, third motor; 24, moving frame; 25, first rotating shaft; 26, first grinding roller; 27, fourth motor; 28, third fixed seat; 29, second rotating shaft; 30, second grinding roller; 31, mounting plate; 32, connecting column; 33, L-shaped frame; 34, hydraulic cylinder; 35, third bevel gear; 36, fourth bevel gear; 37, third rotating shaft; 38, second pulley; 39, second belt; 40, telescopic tube; 41, telescopic rod. DETAILED DESCRIPTION

[0019] The following is a further detailed description of the specific implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0020] like Figures 1 to 4 As shown, a grinding device for producing a bearing cover of the utility model comprises a base plate 1, four groups of bases 2, a rotating device, a clamping device, a moving device, a grinding device and a lifting device, wherein the four groups of bases 2 are respectively mounted on the left front side, the left rear side, the right front side and the right rear side of the bottom end of the base plate 1, the rotating device is mounted on the right side of the top end of the base plate 1, the clamping device is mounted on the rotating device, the moving device is mounted on the left side of the top end of the base plate 1, the lifting device is mounted on the top of the moving device, and the grinding device is mounted on the lifting device;

[0021] The bearing cover is fixed by the clamping device, and then the moving device is opened, and the moving device drives the grinding device to move to the right. When the grinding device moves to the specified position, the lifting device is opened, and the lifting device drives the grinding device to move downward. When the grinding is in contact with the bearing cover, the grinding device is opened, and the rotating device is opened at the same time. The rotating device drives the bearing cover on the clamping device to rotate, so that the grinding device can grind the bearing cover in all directions. By setting up this equipment, the top and side of the bearing cover can be polished at the same time. The operation is simple and its work efficiency is improved.

[0022] As a preferred embodiment of the above, the rotating device includes a first motor 3, two sets of first pulleys 4, a first belt 5, a rotating shaft 6 and a rotating disk 7, the first motor 3 is mounted on the right end of the base plate 1, the rotating shaft 6 is rotatably mounted on the top of the base plate 1, the two sets of first pulleys 4 are respectively mounted on the output end of the first motor 3 and the middle of the rotating shaft 6, the two sets of first pulleys 4 are synchronously driven by the first belt 5, the rotating disk 7 is mounted on the top of the rotating shaft 6, and the clamping device is mounted on the top of the rotating disk 7;

[0023] By arranging the first motor 3, the first pulley 4, the first belt 5, the rotating shaft 6 and the turntable 7, by turning on the first motor 3, the first motor 3 drives the first pulley 4 on the right side to rotate, and the first pulley 4 on the right side drives the first pulley 4 on the rotating shaft 6 to rotate through the first belt 5, thereby driving the turntable 7 to rotate through the rotating shaft 6, and the turntable 7 drives the bearing cover on the clamping device to rotate, thereby driving the bearing cover to rotate.

[0024] As a preferred embodiment of the above embodiment, the clamping device includes three groups of arc-shaped support plates 8, three groups of first screw rods 9, three groups of sliders 10, three groups of first bevel gears 12, second bevel gears 13, a second motor 14 and two groups of support frames 15. Three groups of slide grooves are evenly arranged at the top of the turntable 7, and a circular groove is arranged in the middle of the top of the turntable 7. The three groups of first screw rods 9 are rotatably installed in the three groups of slide grooves. The inner ends of the three groups of first screw rods 9 are all located in the circular grooves of the turntable 7. The three groups of sliders 10 are respectively threadedly connected with the three groups of first screw rods 9. The three groups of sliders 10 are slidably connected with the three groups of slide grooves of the turntable 7. The three groups of arc-shaped support plates 8 are respectively installed at the tops of the three groups of sliders 10. The second motor 14 is installed in the middle of the top of the turntable 7 through two groups of support frames 15. The second bevel gear 13 is installed at the output end of the second motor 14. The three groups of first bevel gears 12 are respectively installed at the inner ends of the three groups of first screw rods 9. The second bevel gear 13 is meshed with the three groups of first bevel gears 12.

[0025] By arranging the arc support plate 8, the first screw rod 9, the slider 10, the first bevel gear 12, the second bevel gear 13, the second motor 14 and the support frame 15, the bearing cover is placed on the outside of the three groups of arc support plates 8, and by turning on the second motor 14, the second motor 14 makes the second bevel gear 13 mesh with the three groups of first bevel gears 12, and the three groups of first bevel gears 12 drive the three groups of first screw rods 9 to be threadedly connected with the three groups of sliders 10, and the three groups of sliders 10 drive the three groups of arc support plates 8 to move outward, so as to open and fix the bearing cover, thereby playing the role of fixing the bearing cover.

[0026] As a preferred embodiment of the above embodiment, the moving device includes two groups of first fixed seats 16, second screws 17, four groups of second fixed seats 19, two groups of guide rods 20, a third motor 21 and an L-shaped frame 33. The two groups of first fixed seats 16 are symmetrically mounted on the left side of the top of the bottom plate 1, the second screws 17 are rotatably mounted on the two groups of first fixed seats 16, the four groups of second fixed seats 19 are symmetrically mounted on the front and rear of the left side of the top of the bottom plate 1, the two groups of guide rods 20 are respectively mounted on the two groups of second fixed seats 19 on the front side and the two groups of second fixed seats 19 on the rear side, a threaded hole is connected to the middle side of the bottom of the L-shaped frame 33, the L-shaped frame 33 is threadedly connected to the second screws 17, the front and rear sides of the bottom of the L-shaped frame 33 are connected to slide holes, the L-shaped frame 33 is slidably connected to the two groups of guide rods 20, the third motor 21 is mounted on the left end of the first fixed seat 16 on the left side, the output end of the third motor 21 passes through the first fixed seat 16 on the left side and is connected to the left end of the second screw 17, and the lifting device is mounted on the top of the L-shaped frame 33;

[0027] By setting the first fixed seat 16, the second screw rod 17, the second fixed seat 19, the guide rod 20, the third motor 21 and the L-shaped frame 33, by turning on the third motor 21, the third motor 21 drives the second screw rod 17 to rotate, the second screw rod 17 is threadedly connected to the L-shaped frame 33, the L-shaped frame 33 slides on the two sets of guide rods 20, and at the same time the L-shaped frame 33 drives the grinding device to move rightward, thereby driving the grinding device to move rightward.

[0028] As a preferred embodiment of the above embodiment, the grinding device includes a moving frame 24, a first rotating shaft 25, a first grinding roller 26, a fourth motor 27, a third fixed seat 28, a second rotating shaft 29, a second grinding roller 30, a mounting plate 31, two sets of connecting columns 32 and a transmission device, the moving frame 24 is installed at the bottom end of the lifting device, the first rotating shaft 25 is rotatably installed in the upper part of the moving frame 24, the first grinding roller 26 is installed on the first rotating shaft 25, the fourth motor 27 is installed at the right end of the moving frame 24, and the output end of the fourth motor 27 passes through the moving frame 24. The right end of the movable frame 24 is connected to the right end of the first rotating shaft 25, the third fixed seat 28 is installed on the left side of the movable frame 24, the top end of the second rotating shaft 29 is rotatably connected to the bottom end of the third fixed seat 28, the bottom end of the second rotating shaft 29 is rotatably connected to the right side of the top end of the mounting plate 31, the mounting plate 31 is installed on the left side of the bottom end of the movable frame 24 through two groups of connecting columns 32, the second grinding roller 30 is installed on the second rotating shaft 29, the transmission device is installed on the top end of the mounting plate 31, and the transmission device is matched and connected with the left end of the first rotating shaft 25 and the bottom end of the second rotating shaft 29;

[0029] By arranging the movable frame 24, the first rotating shaft 25, the first grinding roller 26, the fourth motor 27, the third fixed seat 28, the second rotating shaft 29, the second grinding roller 30, the mounting plate 31, the connecting column 32, the L-shaped frame 33 and the transmission device, by turning on the fourth motor 27, the fourth motor 27 drives the first rotating shaft 25 to rotate, and the first rotating shaft 25 drives the first grinding roller 26 to rotate, and at the same time, the first rotating shaft 25 drives the second rotating shaft 29 to rotate through the transmission device, and the second rotating shaft 29 drives the second grinding roller 30 to rotate, and the first grinding roller 26 and the second grinding roller 30 grind the top and side of the bearing cover, so as to grind the bearing cover.

[0030] As a preferred embodiment of the above, the lifting device includes a hydraulic cylinder 34, which is installed at the top of the L-shaped frame 33, and the output end of the hydraulic cylinder 34 passes through the top of the L-shaped frame 33 and is connected to the middle of the top of the moving frame 24;

[0031] By setting up the hydraulic cylinder 34, by opening the hydraulic cylinder 34, the hydraulic cylinder 34 drives the movable frame 24 to move downward as a whole. When the first grinding roller 26 and the second grinding roller 30 are in close contact with the bearing cover, the hydraulic cylinder 34 is closed to drive the first grinding roller 26 and the second grinding roller 30 to move downward to grind the bearing cover.

[0032] As a preferred embodiment of the above, the transmission device includes a third bevel gear 35, a fourth bevel gear 36, a third rotating shaft 37, two sets of second pulleys 38 and a second belt 39. The left end of the first rotating shaft 25 passes through the left end of the mobile frame 24 and extends to its left side. The third bevel gear 35 is mounted on the left end of the first rotating shaft 25, and the fourth bevel gear 36 is mounted on the top of the third rotating shaft 37. The third rotating shaft 37 is mounted on the left end of the mobile frame 24 through a support plate. The two sets of second pulleys 38 are respectively mounted on the bottom of the fourth motor 27 and the bottom of the second rotating shaft 29, and the two sets of second pulleys 38 are synchronously driven by the second belt 39;

[0033] By setting the third bevel gear 35, the fourth bevel gear 36, the third rotating shaft 37, the second pulley 38 and the second belt 39, the first rotating shaft 25 drives the third bevel gear 35 to engage with the fourth bevel gear 36, the fourth bevel gear 36 drives the left second pulley 38 to rotate through the third rotating shaft 37, the left second pulley 38 drives the right second pulley 38 to rotate through the second belt 39, the right second pulley 38 drives the second rotating shaft 29 to rotate, and the second rotating shaft 29 drives the second grinding roller 30 to rotate, thereby transmitting the power of the first rotating shaft 25 to the second rotating shaft 29.

[0034] As a preferred embodiment of the above, it further includes two sets of telescopic tubes 40 and two sets of telescopic rods 41, the two sets of telescopic tubes 40 are respectively mounted on the left and right sides of the top of the L-shaped frame 33, the two sets of telescopic rods 41 are respectively mounted on the left and right sides of the top of the moving frame 24, and the two sets of telescopic rods 41 are slidably connected to the two sets of telescopic tubes 40;

[0035] By providing the telescopic tubes 40 and the telescopic rods 41 , when the moving frame 24 moves, the two groups of telescopic rods 41 are slidably connected with the two groups of telescopic tubes 40 , so as to support and guide the moving frame 24 .

[0036] The utility model is a grinding device for producing a bearing cover. When working, the bearing cover is first placed on the outside of the three groups of arc-shaped support plates 8, and the second motor 14 is turned on. The second motor 14 makes the second bevel gear 13 mesh with the three groups of first bevel gears 12, and the three groups of first bevel gears 12 drive the three groups of first screw rods 9 to be threadedly connected with the three groups of slide blocks 10, and the three groups of slide blocks 10 drive the three groups of arc-shaped support plates 8 to move outward, so as to open and fix the bearing cover, and then the third motor 21 is turned on, and the third motor 21 drives the second screw rod 17 to rotate, and the second screw rod 17 is threadedly connected with the L-shaped frame 33, and the L-shaped frame 33 slides on the two groups of guide rods 20, and at the same time, the L-shaped frame 33 drives the first grinding roller 26 and the second grinding roller 30 to move rightward. When the first grinding roller 26 and the second grinding roller 30 move to the specified position, the hydraulic cylinder 34 is turned on, and the hydraulic cylinder 34 drives the movable frame 24 to move downward. When the first grinding roller 26 and the second grinding roller 30 are After the bearing cover is tightly attached, the fourth motor 27 and the first motor 3 are turned on, the first motor 3 drives the first pulley 4 on the right side to rotate, and the first pulley 4 on the right side drives the first pulley 4 on the rotating shaft 6 to rotate through the first belt 5, thereby driving the turntable 7 to rotate through the rotating shaft 6, and the turntable 7 drives the bearing covers on the three sets of arc support plates 8 to rotate, and the fourth motor 27 drives the first rotating shaft 25 to rotate, and the first rotating shaft 25 drives the first grinding roller 26 to rotate, and at the same time, the first rotating shaft 25 drives the third bevel gear 35 to mesh with the fourth bevel gear 36, and the fourth bevel gear 36 drives the left second pulley 38 to rotate through the third rotating shaft 37, the left second pulley 38 drives the right second pulley 38 to rotate through the second belt 39, the right second pulley 38 drives the second rotating shaft 29 to rotate, and the second rotating shaft 29 drives the second grinding roller 30 to rotate, and the first grinding roller 26 and the second grinding roller 30 can grind the top and side of the bearing cover.

[0037] The installation method, connection method or setting method of the grinding device for producing a bearing cover of the utility model are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented; the first motor 3, the second motor 14, the third motor 21, the fourth motor 27 and the hydraulic cylinder 34 of the grinding device for producing a bearing cover of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual.

[0038] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A grinding device for producing a bearing cap, characterized in that: The invention comprises a base plate (1), four groups of bases (2), a rotating device, a clamping device, a moving device, a grinding device and a lifting device, wherein the four groups of bases (2) are respectively mounted on the left front side, the left rear side, the right front side and the right rear side of the bottom end of the base plate (1), the rotating device is mounted on the right side of the top end of the base plate (1), the clamping device is mounted on the rotating device, the moving device is mounted on the left side of the top end of the base plate (1), the lifting device is mounted on the top of the moving device, and the grinding device is mounted on the lifting device.

2. A grinding device for producing a bearing cap as claimed in claim 1, characterized in that: The rotating device comprises a first motor (3), two groups of first belt pulleys (4), a first belt (5), a rotating shaft (6) and a rotating disk (7), wherein the first motor (3) is mounted on the right end of a base plate (1), the rotating shaft (6) is rotatably mounted on the top of the base plate (1), the two groups of first belt pulleys (4) are respectively mounted on the output end of the first motor (3) and the middle of the rotating shaft (6), the two groups of first belt pulleys (4) are synchronously driven by the first belt (5), the rotating disk (7) is mounted on the top of the rotating shaft (6), and the clamping device is mounted on the top of the rotating disk (7).

3. A grinding device for producing a bearing cap as claimed in claim 2, characterized in that: The clamping device comprises three groups of arc-shaped support plates (8), three groups of first screw rods (9), three groups of slide blocks (10), three groups of first bevel gears (12), second bevel gears (13), a second motor (14) and two groups of support frames (15). The top of the turntable (7) is evenly provided with three groups of slide grooves, the middle part of the top of the turntable (7) is provided with a circular groove, the three groups of first screw rods (9) are rotatably installed in the three groups of slide grooves, the inner ends of the three groups of first screw rods (9) are all located in the circular groove of the turntable (7), and the three groups of slide blocks (10) are respectively connected to the three groups of first screw rods. The rod (9) is threadedly connected, the three groups of sliders (10) are slidably connected with the three groups of slide grooves of the rotating disk (7), the three groups of arc support plates (8) are respectively installed on the top ends of the three groups of sliders (10), the second motor (14) is installed at the middle of the top end of the rotating disk (7) through two groups of support frames (15), the second bevel gear (13) is installed at the output end of the second motor (14), the three groups of first bevel gears (12) are respectively installed on the inner ends of the three groups of first screw rods (9), and the second bevel gear (13) is meshed with the three groups of first bevel gears (12).

4. A grinding device for producing a bearing cap as claimed in claim 3, characterized in that: The moving device comprises two groups of first fixing seats (16), a second screw rod (17), four groups of second fixing seats (19), two groups of guide rods (20), a third motor (21) and an L-shaped frame (33), wherein the two groups of first fixing seats (16) are symmetrically mounted on the left side of the top end of the bottom plate (1), the second screw rod (17) is rotatably mounted on the two groups of first fixing seats (16), the four groups of second fixing seats (19) are symmetrically mounted on the front and rear of the left side of the top end of the bottom plate (1), and the two groups of guide rods (20) are respectively mounted on the two groups of second fixing seats (19) at the front and rear On the two groups of second fixing seats (19) on the side, a threaded hole is connected to the middle side of the bottom of the L-shaped frame (33), the L-shaped frame (33) is threadedly connected to the second screw rod (17), the front side and the rear side of the bottom of the L-shaped frame (33) are connected to slide holes, the L-shaped frame (33) is slidably connected to the two groups of guide rods (20), the third motor (21) is installed at the left end of the left first fixing seat (16), the output end of the third motor (21) passes through the left first fixing seat (16) and is connected to the left end of the second screw rod (17), and the lifting device is installed on the top of the L-shaped frame (33).

5. A grinding device for producing a bearing cap as claimed in claim 4, characterized in that: The grinding device comprises a moving frame (24), a first rotating shaft (25), a first grinding roller (26), a fourth motor (27), a third fixed seat (28), a second rotating shaft (29), a second grinding roller (30), a mounting plate (31), two sets of connecting columns (32) and a transmission device, wherein the moving frame (24) is mounted at the bottom end of the lifting device, the first rotating shaft (25) is rotatably mounted on the upper inner part of the moving frame (24), the first grinding roller (26) is mounted on the first rotating shaft (25), the fourth motor (27) is mounted at the right end of the moving frame (24), and the output end of the fourth motor (27) passes through the moving frame (24) ) is connected to the right end of the first rotating shaft (25), the third fixed seat (28) is installed on the left side of the movable frame (24), the top end of the second rotating shaft (29) is rotatably connected to the bottom end of the third fixed seat (28), the bottom end of the second rotating shaft (29) is rotatably connected to the right side of the top end of the mounting plate (31), the mounting plate (31) is installed on the left side of the bottom end of the movable frame (24) through two groups of connecting columns (32), the second grinding roller (30) is installed on the second rotating shaft (29), the transmission device is installed on the top end of the mounting plate (31), and the transmission device is matched and connected with the left end of the first rotating shaft (25) and the bottom end of the second rotating shaft (29).

6. A grinding device for producing a bearing cap as claimed in claim 5, characterized in that: The lifting device comprises a hydraulic cylinder (34), which is installed on the top of the L-shaped frame (33), and the output end of the hydraulic cylinder (34) passes through the top of the L-shaped frame (33) and is connected to the middle of the top of the moving frame (24).

7. A grinding device for producing a bearing cap as claimed in claim 6, characterized in that: The transmission device comprises a third bevel gear (35), a fourth bevel gear (36), a third rotating shaft (37), two groups of second belt pulleys (38) and a second belt (39); the left end of the first rotating shaft (25) passes through the left end of the mobile frame (24) and extends to the left side thereof; the third bevel gear (35) is mounted on the left end of the first rotating shaft (25); the fourth bevel gear (36) is mounted on the top of the third rotating shaft (37); the third rotating shaft (37) is mounted on the left end of the mobile frame (24) through a supporting plate; the two groups of second belt pulleys (38) are respectively mounted on the bottom of the fourth motor (27) and the bottom of the second rotating shaft (29); the two groups of second belt pulleys (38) are synchronously driven by the second belt (39).

8. A grinding device for producing a bearing cap as claimed in claim 7, characterized in that: The invention also comprises two groups of telescopic tubes (40) and two groups of telescopic rods (41), wherein the two groups of telescopic tubes (40) are respectively installed on the left and right sides of the top end of the L-shaped frame (33), and the two groups of telescopic rods (41) are respectively installed on the left and right sides of the top end of the moving frame (24), and the two groups of telescopic rods (41) are slidably connected to the two groups of telescopic tubes (40).

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