A double-sided polishing machine for differential housing and its use method

Abstract

The present invention relates to the technical field of polishing machines, and discloses a double-sided polishing machine for a differential housing and a method for using the same, including a workbench, and also including: side plates, which have two side plates; a supporting assembly, which is arranged on the top of the workbench and is used to support the differential housing; a fixed polishing assembly, which has two fixed polishing assemblies, which are arranged on two side plates; a movable limit assembly, which has two movable limit assemblies, which are symmetrically arranged on the top of the workbench. The present invention can fix the differential housing during polishing, and can separate the differential housing from the supporting plate after fixing the differential housing, and can also separate the polishing brush from the differential housing intermittently when polishing both sides of the differential housing, so that the waste chips on the bristles of the polishing brush can fall off, and the differential housing will not be scratched when polishing the differential housing, thereby improving the use effect of the equipment.

Description

Technical Field

[0001] The invention relates to the technical field of polishing machines, and in particular to a double-sided polishing machine for a differential housing and a use method thereof. Background Art

[0002] The differential housing is an important component in the vehicle transmission system and is usually installed on the rear axle of the vehicle. It mainly distributes and adjusts the driving force, especially when turning or when the road conditions are irregular. The differential housing enables the wheels to rotate at different speeds, thereby ensuring vehicle stability and handling performance. The differential housing is usually made of cast iron or aluminum alloy, and is precision machined and assembled. The surface of the differential housing needs to be polished during production.

[0003] The current double-sided polishing machine for differential housing does not have the function of separating the bristles of the polishing brush from the differential housing when polishing the differential housing, resulting in metal debris always existing between the bristles of the polishing brush and the bristles of the polishing brush, which is easy to scratch the bristles of the polishing brush during polishing, reducing the use effect. Therefore, it is urgent to design a double-sided polishing machine for differential housing. Summary of the invention

[0004] The purpose of the present invention is to solve the problems existing in the prior art and to propose a differential case double-sided polishing machine and a use method thereof.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A double-sided polishing machine for a differential housing, comprising a workbench and:

[0007] There are two side panels, which are symmetrically slidably arranged on the top of the workbench;

[0008] A supporting assembly, which is arranged on the top of the workbench and is used to support the differential housing;

[0009] A fixed polishing assembly, two of which are provided, and the two fixed polishing assemblies are provided on two side plates, and the fixed polishing assemblies are used for polishing the differential housing after fixing;

[0010] There are two movable limit assemblies, which are symmetrically arranged on the top of the workbench, and the movable limit assemblies are also connected to the corresponding side panels.

[0011] As a further technical solution of the present invention, the supporting assembly includes: a pallet, which is arranged above the workbench, a placement groove is opened on the top of the pallet, a slot connected to the placement groove is opened on the bottom of the pallet, a vertical plate is vertically fixedly installed on the bottom of the pallet, and the end of the vertical plate is fixedly installed on the top of the workbench.

[0012] As a further technical solution of the present invention, the fixed polishing assembly includes: a rotating rod, which is rotatably installed on the side of the side plate, a turntable is fixedly installed on the top of the rotating rod, a first motor is installed on the side of the side plate away from the rotating rod, and the output shaft of the first motor is installed at the center of the end of the rotating rod.

[0013] As a further technical solution of the present invention, a clamping column is horizontally fixedly installed at the center of the side of the turntable away from the rotating rod, a large gear is fixedly sleeved on the surface of the clamping column, and symmetrically arranged small gears are meshed on both sides of the large gear. A spring rod is horizontally installed at the center of the side of each small gear, the fixed end and the telescopic end of the spring rod are connected by a spline, and an L-shaped plate is rotatably installed on the surface of the fixed end of the spring rod, and the horizontal side of the L-shaped plate is fixedly installed on the side of the side plate.

[0014] As a further technical solution of the present invention, a limit plate is fixedly installed on the telescopic end of each spring rod, a polishing brush is fixedly installed on the end face of the limit plate, a limit groove is provided on the surface of the limit plate, an L-shaped rod is fixedly installed on the vertical side of the L-shaped plate, and the vertical side end of the L-shaped rod is slidably installed inside the limit groove.

[0015] As a further technical solution of the present invention, the movable limit assembly includes: a limit block, which is fixedly installed on the top of the workbench, a transverse groove is opened on the top of the limit block, a slider is slidably installed inside the transverse groove, a lead screw is also rotatably installed inside the transverse groove, the surface of the lead screw is connected to the inside of the slider through a thread, a second motor is installed at the end of the limit block, and the output shaft of the second motor is installed at the center of the end of the lead screw.

[0016] As a further technical solution of the present invention, a telescopic rod is vertically fixedly installed on the top of the slider, the fixed end and the telescopic end of the telescopic rod are connected by a spline, the telescopic end of the telescopic rod is fixedly installed with a strip plate, and the top end of the strip plate is fixedly installed on the side of the side plate.

[0017] As a further technical solution of the present invention, Z-shaped grooves are opened on the opposite outer sides of the limit blocks, a sliding column is slidably installed inside each Z-shaped groove, two symmetrically arranged connecting plates are fixedly installed on the side of the side plate, and the ends of the two sliding columns are respectively rotatably installed on the opposite sides of the two connecting plates.

[0018] A method for using a differential housing double-sided polishing machine comprises the following steps:

[0019] S1: First, place the differential housing on the support plate, then drive the lead screw to rotate through the second motor, the lead screw rotation drives the slider to move, the slider movement drives the telescopic rod to move, the telescopic rod movement drives the strip plate to move, the strip plate movement drives the side plate to move, the side plate movement drives the connecting components thereon to move, the connecting plate movement drives the sliding column to move, due to the setting of the Z-shaped groove, the sliding column and the connecting plate will move along the Z-shaped groove as a path, so that the side plate can move horizontally first and then upward, so as to separate the differential housing and the support plate, and avoid the influence of the support plate on the polishing of the differential housing during polishing, the turntable movement drives the clamping column to move, and the clamping column movement can clamp the differential housing;

[0020] S2: After the differential housing is clamped, the first motor is started to drive the rotating rod to rotate, the rotating rod rotation drives the rotating plate to rotate, the rotating plate rotation drives the clamping column to rotate, the clamping column rotation drives the large gear and the differential housing to rotate, the large gear rotation drives the two small gears to accelerate rotation, the small gear rotation drives the spring rod to rotate, the spring rod rotation drives the limit plate to rotate, the limit plate rotation drives the polishing brush to accelerate rotation, so as to realize the polishing of the differential housing. In addition, due to the setting of the L-shaped rod and the limit groove, the limit plate will reciprocate in the horizontal direction when rotating, so that the polishing brush and the differential housing can be separated once after polishing for a period of time, so that the waste chips on the polishing brush can fall off and will not scratch the differential housing, thereby ensuring the polishing effect of the differential housing.

[0021] The beneficial effects of the present invention are:

[0022] The present invention can fix the differential case during polishing by setting a fixed polishing component and a movable limiting component. In addition, after the differential case is fixed, the differential case and the support plate can be separated. When polishing both sides of the differential case, the polishing brush can be intermittently separated from the differential case, so that waste chips on the bristles of the polishing brush can fall off, and the differential case will not be scratched when polishing the differential case, thereby improving the use effect of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A schematic structural diagram of a double-sided polishing machine for a differential housing proposed by the present invention;

[0024] Figure 2 for Figure 1 A magnified schematic diagram of part A;

[0025] Figure 3 A schematic diagram of the bottom view of the side plate of a double-sided polishing machine for a differential housing proposed by the present invention;

[0026] Figure 4 for Figure 3 A magnified schematic diagram of part B;

[0027] Figure 5 A schematic diagram of the side plate and limit block structure of a double-sided polishing machine for a differential housing proposed by the present invention;

[0028] Figure 6 A schematic diagram of the structure of a turntable of a double-sided polishing machine for a differential housing proposed by the present invention;

[0029] Figure 7 The present invention is a schematic structural diagram of a differential housing double-sided polishing machine after the polishing brush and the limiting plate are separated.

[0030] In the figure: 1. workbench; 2. side panel; 3. limit block; 4. support plate; 5. placement slot; 6. turntable; 7. polishing brush; 8. first motor; 9. rotating rod; 10. clamping column; 11. second motor; 12. horizontal slot; 13. slider; 14. lead screw; 15. telescopic rod; 16. strip plate; 17. connecting plate; 18. limit plate; 19. spring rod; 20. limit slot; 21. L-shaped rod; 22. L-shaped plate; 23. Z-shaped slot; 24. sliding column; 25. large gear; 26. small gear. DETAILED DESCRIPTION

[0031] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Please see attached Figure 1 -Attached Figure 7 A double-sided polishing machine for a differential housing comprises a workbench 1, and also comprises: a side plate 2, a supporting assembly, a fixed polishing assembly and a movable limit assembly, wherein there are two side plates 2, and the two side plates 2 are symmetrically and slidably arranged on the top of the workbench 1, the supporting assembly is arranged on the top of the workbench 1, and the supporting assembly is used to support the differential housing, there are two fixed polishing assemblies, and the two fixed polishing assemblies are arranged on the two side plates 2, and the fixed polishing assembly is used to fix and polish the differential housing, there are two movable limit assemblies, and the two movable limit assemblies are symmetrically arranged on the top of the workbench 1, and the movable limit assemblies are also connected to the corresponding side plates 2;

[0034] As mentioned above, the polishing brush 7 is intermittently separated from the differential housing so that the waste chips on the bristles of the polishing brush 7 can fall off and the differential housing will not be scratched when the differential housing is polished.

[0035] Please see attached Figure 1 -Attached Figure 3 In a preferred embodiment, the supporting assembly includes: a support plate 4, the support plate 4 is arranged above the workbench 1, a placement groove 5 is opened on the top of the support plate 4, a notch connected to the placement groove 5 is opened at the bottom of the support plate 4, a vertical plate is vertically fixedly installed at the bottom of the support plate 4, and the end of the vertical plate is fixedly installed on the top of the workbench 1;

[0036] Specifically, the differential housing and the support plate 4 are separated, thereby preventing the support plate 4 from affecting the polishing of the differential housing during polishing.

[0037] Please see attached Figure 1 -Attached Figure 7 In a preferred embodiment, the fixed polishing assembly includes: a rotating rod 9, the rotating rod 9 is rotatably mounted on the side of the side plate 2, a rotating disk 6 is fixedly mounted on the top of the rotating rod 9, a first motor 8 is mounted on the side of the side plate 2 away from the rotating rod 9, the output shaft of the first motor 8 is mounted at the center of the end of the rotating rod 9, a clamping column 10 is horizontally fixedly mounted at the center of the side of the rotating disk 6 away from the rotating rod 9, a large gear 25 is fixedly sleeved on the surface of the clamping column 10, and both sides of the large gear 25 are meshed with symmetrically arranged small gears 26, and the center of the side of each small gear 26 Spring rods 19 are installed horizontally, the fixed end and telescopic end of the spring rods 19 are connected by splines, an L-shaped plate 22 is rotatably installed on the surface of the fixed end of the spring rods 19, and the horizontal side of the L-shaped plate 22 is fixedly installed on the side of the side plate 2. A limit plate 18 is fixedly installed on the telescopic end of each spring rod 19, and a polishing brush 7 is fixedly installed on the end surface of the limit plate 18. A limit groove 20 is provided on the surface of the limit plate 18, and an L-shaped rod 21 is fixedly installed on the vertical side of the L-shaped plate 22. The vertical end of the L-shaped rod 21 is slidably installed inside the limit groove 20;

[0038] Preferably, after polishing for a period of time, the polishing brush 7 and the differential housing are separated once, so that the waste chips on the polishing brush 7 can fall off without scratching the differential housing, thereby ensuring the polishing effect of the differential housing.

[0039] Please see attached Figure 1 -Attached Figure 7In a preferred embodiment, the movable limit assembly includes: a limit block 3, the limit block 3 is fixedly installed on the top of the workbench 1, a transverse groove 12 is opened on the top of the limit block 3, a slider 13 is slidably installed inside the transverse groove 12, a lead screw 14 is also rotatably installed inside the transverse groove 12, the surface of the lead screw 14 is connected to the inside of the slider 13 by a thread, a second motor 11 is installed at the end of the limit block 3, the output shaft of the second motor 11 is installed at the center of the end of the lead screw 14, a telescopic rod 15 is vertically fixedly installed on the top of the slider 13, the fixed end and the telescopic end of the telescopic rod 15 are connected by a spline, a strip plate 16 is fixedly installed on the telescopic end of the telescopic rod 15, and the top of the strip plate 16 is fixedly installed on the side of the side plate 2, Z-shaped grooves 23 are opened on the opposite outer sides of the limit block 3, and a sliding column 24 is slidably installed inside each Z-shaped groove 23, and two symmetrically arranged connecting plates 17 are fixedly installed on the side of the side plate 2, and the ends of the two sliding columns 24 are respectively rotatably installed on the opposite sides of the two connecting plates 17;

[0040] Furthermore, the slide post 24 and the connecting plate 17 are moved along the Z-shaped groove 23 , so that the side plate 2 is first moved horizontally and then moved upward.

[0041] Working principle of the present invention:

[0042] First, place the differential housing on the support plate 4, then drive the lead screw 14 to rotate through the second motor 11, the lead screw 14 rotates to drive the slider 13 to move, the slider 13 moves to drive the telescopic rod 15 to move, the telescopic rod 15 moves to drive the strip plate 16 to move, the strip plate 16 moves to drive the side plate 2 to move, the side plate 2 moves to drive the connecting parts thereon to move, the connecting plate 17 moves to drive the sliding column 24 to move, due to the setting of the Z-shaped groove 23, the sliding column 24 and the connecting plate 17 will move along the Z-shaped groove 23 as a path, so that the side plate 2 can move horizontally first and then upward, so as to separate the differential housing and the support plate 4, and avoid the influence of the support plate 4 on the polishing of the differential housing during polishing, the turntable 6 moves to drive the clamping column 10 to move, and the clamping column 10 moves to clamp the differential housing;

[0043] After the differential housing is clamped, the first motor 8 is started to drive the rotating rod 9 to rotate, the rotating rod 9 rotates to drive the turntable 6 to rotate, the turntable 6 rotates to drive the clamping column 10 to rotate, the clamping column 10 rotates to drive the large gear 25 and the differential housing to rotate, the large gear 25 rotates to drive the two small gears 26 to accelerate the rotation, the small gear 26 rotates to drive the spring rod 19 to rotate, the spring rod 19 rotates to drive the limit plate 18 to rotate, the limit plate 18 rotates to drive the polishing brush 7 to accelerate the rotation to achieve the polishing of the differential housing, in addition, due to the setting of the L-shaped rod 21 and the limiting groove 20, the limiting plate 18 will reciprocate in the horizontal direction when rotating, so that the polishing brush 7 and the differential housing can be separated once after polishing for a period of time, so that the waste chips on the polishing brush 7 can fall off and will not scratch the differential housing, thereby ensuring the polishing effect of the differential housing.

[0044] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A differential case double-sided polishing machine, comprising a workbench (1), characterized in that: Also includes: Side panels (2), there are two side panels (2), and the two side panels (2) are symmetrically slidably arranged on the top of the workbench (1); A supporting assembly, the supporting assembly being arranged on the top of the workbench (1), and being used to support the differential housing; A fixed polishing assembly, wherein two fixed polishing assemblies are provided, and the two fixed polishing assemblies are arranged on two side plates (2), and the fixed polishing assemblies are used to polish the differential housing after fixing it; A movable limit assembly, wherein there are two movable limit assemblies, and the two movable limit assemblies are symmetrically arranged on the top of the workbench (1), and the movable limit assemblies are also connected to the corresponding side panels (2); The supporting assembly comprises: a support plate (4), the support plate (4) being arranged above the workbench (1), a placement groove (5) being provided on the top of the support plate (4), a notch communicating with the placement groove (5) being provided on the bottom of the support plate (4), a vertical plate being vertically fixedly installed on the bottom of the support plate (4), the end of the vertical plate being fixedly installed on the top of the workbench (1), and the fixed polishing assembly comprising: a rotating rod (9), the rotating rod (9) being rotatably installed on the side of the side plate (2), a rotating disk (6) being fixedly installed on the top of the rotating rod (9), a first motor (8) being installed on the side of the side plate (2) away from the rotating rod (9), the output shaft of the first motor (8) being installed at the center of the end of the rotating rod (9), the rotating disk (6) being far away from the rotating rod (9) A clamping column (10) is fixedly installed horizontally at the center of the side of the rotating rod (9), a large gear (25) is fixedly sleeved on the surface of the clamping column (10), and symmetrically arranged small gears (26) are meshed on both sides of the large gear (25), and a spring rod (19) is horizontally installed at the center of the side of each small gear (26), the fixed end and the telescopic end of the spring rod (19) are connected by a spline, and an L-shaped plate (22) is rotatably installed on the surface of the fixed end of the spring rod (19), and the horizontal side of the L-shaped plate (22) is fixedly installed on the side of the side plate (2), and a limit plate (18) is fixedly installed on the telescopic end of each spring rod (19), and a polishing brush (7) is fixedly installed on the end surface of the limit plate (18). The surface of the limit plate (18) is provided with a limit groove (20), the vertical side of the L-shaped plate (22) is fixedly mounted with an L-shaped rod (21), and the vertical side end of the L-shaped rod (21) is slidably mounted inside the limit groove (20), and the movable limit assembly comprises: a limit block (3), the limit block (3) is fixedly mounted on the top of the workbench (1), the top of the limit block (3) is provided with a transverse groove (12), a slider (13) is slidably mounted inside the transverse groove (12), a lead screw (14) is rotatably mounted inside the transverse groove (12), the surface of the lead screw (14) is connected to the inside of the slider (13) by a thread, and a second motor (11) is mounted at the end of the limit block (3), and the second motor The output shaft of the machine (11) is installed at the center of the end of the lead screw (14), a telescopic rod (15) is vertically fixedly installed on the top of the slider (13), the fixed end and the telescopic end of the telescopic rod (15) are connected by a spline, a strip plate (16) is fixedly installed on the telescopic end of the telescopic rod (15), the top of the strip plate (16) is fixedly installed on the side of the side plate (2), the opposite outer sides of the limit block (3) are provided with Z-shaped grooves (23), each of the Z-shaped grooves (23) is slidably installed with a slide column (24), two symmetrically arranged connecting plates (17) are fixedly installed on the side of the side plate (2), and the ends of the two slide columns (24) are respectively rotatably installed on the opposite sides of the two connecting plates (17).

2. The method for using a differential case double-sided polishing machine according to claim 1, characterized in that: The following steps are involved: S1: firstly, the differential housing is placed on the support plate (4), and then the second motor (11) drives the lead screw (14) to rotate, the lead screw (14) rotates to drive the slider (13) to move, the slider (13) moves to drive the telescopic rod (15), the telescopic rod (15) moves to drive the strip plate (16), the strip plate (16) moves to drive the side plate (2), the side plate (2) moves to drive the connecting components thereon to move, the connecting plate (17) moves to drive the sliding column (24), due to the provision of the Z-shaped groove (23), the sliding column (24) and the connecting plate (17) move along the Z-shaped groove (23), so that the side plate (2) first moves horizontally and then moves upward, so that the differential housing and the support plate (4) are separated, and the support plate (4) is prevented from affecting the polishing of the differential housing during polishing, the turntable (6) moves to drive the clamping column (10), and the clamping column (10) moves to clamp the differential housing; S2: After the differential housing is clamped, the first motor (8) is started to drive the rotating rod (9) to rotate, the rotating rod (9) drives the rotating disk (6) to rotate, the rotating disk (6) drives the clamping column (10) to rotate, the clamping column (10) drives the large gear (25) and the differential housing to rotate, the large gear (25) drives the two small gears (26) to rotate faster, the small gear (26) drives the spring rod (19) to rotate, the spring rod (19) drives the limit plate (18) to rotate, the limit plate (18) drives the polishing brush (7) to rotate faster, so as to achieve the polishing of the differential housing. In addition, due to the arrangement of the L-shaped rod (21) and the limit groove (20), the limit plate (18) will reciprocate in the horizontal direction when rotating, so that after a period of polishing, the polishing brush (7) and the differential housing can be separated once, so that the waste chips on the polishing brush (7) can fall off without scratching the differential housing, thereby ensuring the effect of polishing the differential housing.

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