External processing device for electric drive axle

Abstract

The invention relates to the technical field of electric drive axle external treatment, in particular to an electric drive axle external treatment device which comprises a base, a recycling box is placed in the middle of the upper end face of the base, a supporting plate fixedly connected with the base is arranged on the rear side of the recycling box, and a rectangular sliding groove is formed in the upper portion of the side, close to the recycling box, of the supporting plate. According to the device, a plurality of axle housings can be placed and fixed through the arrangement of the placing unit, meanwhile, the axle housings of the electric drive axle can be sequentially rotated and shifted through rotation of the placing unit, continuous operation is conducted, targeted grinding operation can be conducted on the outer edges of the centers of the axle housings through the arrangement of the outer ring grinding unit, and the grinding efficiency is improved. And an aperture grinding unit arranged on one side of the outer ring grinding unit can be matched with the outer ring grinding unit to grind the interior of a circular ring in the middle of the axle housing when the outer ring grinding unit grinds the outer edge of the center of the axle housing, and the problem that the outer edge and the inner wall of the center of the axle housing are difficult to grind is effectively solved.

Description

Technical Field

[0001] The present invention relates to the technical field of external processing of electric drive axles, and specifically to an external processing device for electric drive axles. Background Art

[0002] An electric drive axle, also known as an electric drive bridge, is a device that can convert electrical energy into mechanical energy to drive vehicles or other means of transportation. There are many components in it, and a common one is the axle housing of the electric drive axle.

[0003] The prior art discloses a Chinese patent with the application number CN202023069162.0, a spraying device for axle housing processing that can improve spraying efficiency, and discloses that the spraying device can control the rotation of the axle housing while driving the spraying device to move up and down reciprocally, so as to uniformly and quickly spray the surface of the axle housing.

[0004] Although the above device can achieve spraying on the axle housing of the electric drive axle, there are still some problems: 1. In order to ensure the spraying quality before spraying the electric drive axle, the axle housing needs to be polished. The above device cannot quickly complete the conversion between polishing and painting; 2. Due to the special structure in the middle of the electric drive axle, when spraying it, it is very easy to have the situation of missed spraying at the inner wall of the middle ring. Summary of the Invention

[0005] The purpose of the present invention is to provide an external processing device for electric drive axles to solve the problems of quickly converting between polishing and spraying the axle housing and fully realizing spraying operations on the inner and outer parts of the axle housing proposed in the above background art.

[0006] The purpose of the present invention can be achieved through the following technical solutions: An external processing device for electric drive axles includes a base. In the middle of the upper end surface of the base, a recycling box is placed. Behind the recycling box, there is a support plate fixedly connected to the base. On the upper part of the side of the support plate close to the recycling box, a rectangular sliding groove is opened. In the rectangular sliding groove, a sliding frame is slidably installed through an electric slider. In the middle of the sliding frame, two symmetrically arranged transposition shafts are rotatably installed through a motor. On the side where the two transposition shafts are close to each other, transposition plates are fixedly installed. On one side of the two transposition plates, an outer ring polishing unit is fixedly installed. On the other side of the two transposition plates, a painting unit is fixedly installed. On the outside of the outer ring polishing unit, a hole diameter polishing unit is fixedly installed. On both sides of the middle of the support plate, placing units are symmetrically installed.

[0007] Further, the placement unit includes two symmetrically arranged telescopic plates. The telescopic ends of the telescopic plates are fixedly installed with side plates. A rotating frame is rotatably installed between the two side plates close to each other through a motor. A plurality of groups of regulating plates are circumferentially installed on the outer edges of the rotating frames on both sides. A group of corresponding limiting plates are jointly installed on each group of regulating plates. Rubber blocks for fixing the inner wall of the axle housing are provided inside the limiting plates.

[0008] Further, the outer ring grinding unit includes a cooling box. External frames are fixedly installed on both sides of the outside of the cooling box. An external box located below the cooling box is jointly installed between the two external frames. A central pipe is jointly installed between the external box and the cooling box. An arc-shaped groove is opened in the middle of the external box. An externally attached plate arranged in an arc shape is slidably installed in the groove. Cross grooves opened on the external box are symmetrically provided above the externally attached plate. A cross plate fixed to the externally attached plate is slidably installed in the cross grooves. A moving plug for blocking the central pipe is fixedly installed in the middle of the upper end surface of the externally attached plate.

[0009] Further, the hole diameter grinding unit includes a fixed frame. Dovetail grooves are opened on both sides of the inner wall of the fixed frame. Dovetail blocks are slidably installed in the dovetail grooves through electric sliders. One side of the dovetail block away from the dovetail groove is fixedly installed with a cylinder. The telescopic ends of a plurality of cylinders are jointly installed with a support frame located below the fixed frame. A cross bar is fixedly installed in the middle of the support frame. An installation plate is rotatably installed in the middle of the cross bar through a motor. A support box is fixedly installed on the lower end surface of the installation plate. Side grooves are opened on both sides of the installation plate. Regulating blocks are slidably installed in the side grooves. Direction-adjusting plates are rotatably installed on both sides of the inner wall of the fixed frame through motors. One end of the direction-adjusting plate away from the fixed frame is hinged to the regulating block.

[0010] Further, an electric push rod is fixedly installed in the inner cavity of the support box. A rotatable plate arranged in a circumferential direction is hinged to the support box. A grinding plate is jointly hinged between a plurality of rotatable plates. A circumferentially arranged through groove is opened on the outer wall of the support box. A pushing plate hinged to the end of the electric push rod is arranged in the through groove. One end of the pushing plate away from the electric push rod is hinged to the grinding plate.

[0011] Further, a conveying pipe is installed at one end of the storage box. The end of the conveying pipe away from the storage box is connected to the side wall of the central pipe. Liquid outlet holes are provided on the outer wall of the grinding plate. A branch pipe is jointly installed between the top of the grinding plate and the storage box. The coolant in the storage box can be supplied to the liquid outlet holes through the branch pipe.

[0012] Further, the painting unit includes a painting box for storing painting paint. External sleeves are fixedly installed on both sides of the outside of the painting box. A plurality of arc-shaped frames arranged at equal intervals are fixedly installed on the lower end surface of the painting box. A driving rod is rotatably installed between the two external sleeves through a motor. A plurality of driving wheels arranged at equal intervals are installed on the driving rod. Arc-shaped grooves are opened on the inner walls of the arc-shaped frames.

[0013] Further, a surrounding ring is slidably installed in the arc-shaped groove. A through groove is formed in the middle of the arc-shaped frame. A plurality of equally spaced teeth are fixedly installed on the outer part of the surrounding ring. The driving wheel is placed in the through groove and meshes with the teeth. In the middle of the side of the surrounding ring away from the arc-shaped frame, a spray head is fixedly installed. A transmission pipe connected to the paint spraying box is arranged on one side of the spray head.

[0014] Further, a magnetic attraction frame is rotatably installed in the middle of the recycling box. One end of the magnetic attraction frame penetrates through the recycling box. Belt wheels are fixedly installed on one side of the magnetic attraction frame and on the rotating frame on one side. A belt is jointly installed between the belt wheels. A recycling pipe is jointly installed between the recycling box and the paint spraying box.

[0015] Further, when the turning plate rotates downward, it drives the regulating block to slide in the side groove. At this time, the mounting plate rotates on the cross bar, so that the support box and the axle housing are coaxial.

[0016] Advantages of the present invention: 1. Through the setting of the placing unit, the present invention can place and fix multiple axle housings. At the same time, through the rotation of the placing unit, the axle housings of the electric drive axle can be rotated and transposed in sequence, so as to perform continuous operations. Through the setting of the outer ring grinding unit, targeted grinding operations can be carried out on the outer edge of the center of the axle housing. And the aperture grinding unit arranged on one side of the outer ring grinding unit can, when the outer ring grinding unit grinds the outer edge of the center of the axle housing, also cooperate with it to grind the inside of the ring in the middle of the axle housing, effectively solving the problem of difficult grinding of the outer edge and inner wall of the center of the axle housing.

[0017] 2. The present invention drives the transposition shaft to rotate by starting the motor. When the transposition shaft rotates, it synchronously drives the transposition plate to rotate. When the transposition plate rotates, it can quickly convert the positions of the outer ring grinding unit and the paint spraying unit. Then, after quickly grinding the center of the axle housing, painting operations can be carried out on the inside and outside, so as to realize the continuous grinding and painting of the axle housing. Compared with the existing external treatment device for the electric drive axle housing, the present invention can specifically grind the outer edge and inner wall of the ring in the middle of the axle housing synchronously, effectively overcoming the problem of difficult grinding in the middle of the electric drive axle. At the same time, the outer ring grinding unit and the paint spraying unit can be quickly and conveniently converted, so that after the ring in the middle of the axle housing is ground, the outside of the axle housing can be painted immediately.

[0018] 3. The present invention drives the sliding frame to slide in the rectangular slide groove by opening the electric slider until the outer plate fits with the outer edge of the circular ring in the middle of the bridge shell. At this time, the outer plate moves up in contact with the bridge shell, and then the outer plate is opened to grind the burrs on the outside of the bridge shell. When the outer plate moves up, the moving plug is simultaneously driven to move up. When the moving plug moves up, the blockage of the center tube is cancelled. At this time, the coolant in the cooling box flows to the outer plate through the center tube, and finally the coolant flows to the contact surface between the outer plate and the bridge shell. Through the setting of the coolant, not only can the outer plate be cooled when grinding the outside of the bridge shell, but also the dust generated during grinding can be washed away.

[0019] 4. The present invention drives the regulating block to slide in the side groove when the steering plate rotates. At this time, the mounting plate flips on the cross bar until the support box and the middle of the bridge shell are on the same axis, and then drives the slider to open and drives the support box to move into the center hole of the bridge shell. Then, the electric push rod is controlled to push forward. When the electric push rod is pushed forward, it simultaneously drives multiple pushing plates to expand outward. At this time, multiple grinding plates are expanded at the circular hole in the center of the bridge shell until they conflict with the center of the bridge shell. Then, the motor is turned on to drive the storage box to rotate. While the storage box rotates, it drives multiple grinding plates to perform rotational grinding in the circular ring in the center of the bridge shell, thereby realizing the grinding operation of the circular hole in the middle of the bridge shell.

[0020] 5. The present invention starts the motor to drive the driving rod to rotate, and when the driving rod rotates, the driving wheel drives the surrounding ring to rotate. When the surrounding ring rotates, the nozzle is turned on to spray paint the inner and outer walls of the circular hole in the middle of the bridge shell at the same time, and the paint in the paint spray box can be continuously transmitted and supplied to the nozzle through the setting of the transmission pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative work. Figure 1 It is a schematic diagram of the overall left side structure of the present invention; Figure 2 It is a schematic diagram of the overall right side structure of the present invention; Figure 3 It is a schematic diagram of the placement unit structure of the present invention; Figure 4 It is a schematic diagram of the structure between the painting unit and the outer ring polishing unit of the present invention; Figure 5 It is a partial cross-sectional structural schematic diagram of the outer ring grinding unit of the present invention; Figure 6It is a schematic structural diagram of the aperture grinding unit of the present invention; Figure 7 It is a schematic sectional structural diagram of a part of the aperture grinding unit of the present invention; Figure 8 It is a schematic side sectional structural diagram of the support box of the present invention; Figure 9 It is a schematic structural diagram of the outer ring grinding unit of the present invention; Figure 10 It is a schematic structural diagram of the outer ring grinding unit of the present invention; Figure 11 It is a schematic structural diagram between the surrounding ring and the driving wheel of the present invention.

[0022] The reference numerals in the figure are as follows: 1. Base; 2. Support plate; 3. Telescopic plate; 30. Side plate; 31. Rotating frame; 32. Regulation plate; 33. Limiting plate; 4. Sliding frame; 41. Transposition shaft; 42. Transposition plate; 5. Cooling box; 51. External frame; 52. External box; 53. Central tube; 54. Outer attaching plate; 541. Moving plug; 55. Cross groove; 56. Cross plate; 6. Fixed frame; 61. Dovetail groove; 62. Cylinder; 63. Support frame; 64. Cross bar; 65. Mounting plate; 650. Edge groove; 651. Regulation block; 652. Direction adjustment plate; 66. Storage box; 67. Conduit; 68. Support box; 681. Rotating plate; 69. Electric push rod; 691. Pushing plate; 692. Grinding plate; 7. Painting box; 71. External sleeve; 72. Arc-shaped frame; 73. Driving rod; 74. Driving wheel; 75. Surrounding ring; 76. Teeth; 77. Nozzle; 78. Transmission pipe; 8. Recycling box; 81. Recycling pipe; 82. Magnetic attraction frame. Detailed implementation manners

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0024] As shown in the attached Figures 1-11As shown, an external processing device of an electric drive bridge comprises a base 1, a recycling box 8 is placed in the middle of the upper end surface of the base 1, a support plate 2 fixedly connected to the base 1 is provided on the rear side of the recycling box 8, a rectangular slide groove is opened on the upper part of the support plate 2 close to the recycling box 8, a sliding frame 4 is slidably installed in the rectangular slide groove through an electric slider, two symmetrically arranged transposition shafts 41 are installed in the middle of the sliding frame 4 through motor rotation, transposition plates 42 are fixedly installed on the side close to the two transposition shafts 41, an outer ring grinding unit is fixedly installed on one side of the two transposition plates 42, a painting unit is fixedly installed on the other side of the two transposition plates 42, an aperture grinding unit is fixedly installed on the outer side of the outer ring grinding unit, and placement units are symmetrically installed on both sides of the middle of the support plate 2.

[0025] As attached Figure 3 As shown, the placement unit is set up to place and fix multiple bridge shells, and at the same time, the bridge shells of the electric drive bridge can be rotated and transposed in turn through the rotation of the placement unit, so that it can perform continuous operation, and the outer ring grinding unit can be set up to perform targeted grinding operations on the outer edge of the center of the bridge shell, and the aperture grinding unit provided on one side of the outer ring grinding unit can grind the outer edge of the center of the bridge shell while the outer ring grinding unit is grinding the outer edge of the center of the bridge shell, and the aperture grinding unit can also cooperate with it to grind the inside of the circular ring in the middle of the bridge shell, which effectively solves the problem of difficulty in grinding the outer edge and inner wall of the center of the bridge shell, and drives the transposition shaft 41 to rotate by turning on the motor, and when the transposition shaft 41 rotates The shifting plate 42 is synchronously driven to rotate. When the shifting plate 42 rotates, the outer ring grinding unit and the painting unit can be quickly switched, and then the inside and outside of the bridge shell can be quickly painted after the grinding operation at the center of the bridge shell, thereby realizing the continuous grinding and painting of the bridge shell. Compared with the existing external processing device for the bridge shell of the electric drive bridge, the present invention can synchronously grind the outer edge and inner wall of the middle circular ring of the bridge shell, effectively overcoming the problem of difficult grinding in the middle of the electric drive bridge. At the same time, the outer ring grinding unit and the painting unit can be quickly and conveniently switched, so that after the grinding of the circular ring in the middle of the bridge shell is completed, the painting operation of the outside of the bridge shell can be carried out immediately.

[0026] The placement unit includes two symmetrically arranged telescopic plates 3, and the telescopic ends of the telescopic plates 3 are fixedly installed with side plates 30. A rotating frame 31 is installed on the side close to the two side plates 30 through motor rotation. Multiple groups of regulating plates 32 are circumferentially installed on the outer edges of the rotating frames 31 on both sides. A group of corresponding limit plates 33 are installed on each group of regulating plates 32, and a rubber block is provided on the inner side of the limit plate 33 to fix the inner wall of the bridge housing.

[0027] By opening the two telescopic plates 3 and bringing them closer together, the side plates 30 can contact the two side walls of the electric drive bridge when they are close to each other, and the rubber blocks on the two side plates 30 are placed inside the bridge housing to prevent the electric drive bridge housing from sliding during grinding.

[0028] As shown in the attached Figure 5 figure, the outer ring grinding unit includes a cooling box 5. On both outer sides of the cooling box 5, outer frames 51 are fixedly installed. Between the two outer frames 51, an outer box 52 located below the cooling box 5 is jointly installed. A central pipe 53 is jointly installed between the outer box 52 and the cooling box 5. An arc-shaped groove is formed in the middle of the outer box 52. An outer attaching plate 54 arranged in an arc shape is slidably installed in the groove. Cross grooves 55 are symmetrically arranged on the outer box 52 above the outer attaching plate 54. A cross plate 56 fixed to the outer attaching plate 54 is slidably installed in the cross grooves 55. A moving plug 541 for blocking the central pipe 53 is fixedly installed in the middle of the upper end surface of the outer attaching plate 54.

[0029] When grinding the circular ring in the middle of the electric drive axle housing, the electric slider is turned on to drive the sliding frame 4 to slide in the rectangular sliding groove until the outer attaching plate 54 fits against the outer edge of the circular ring in the middle of the axle housing. At this time, the outer attaching plate 54 moves upward when contacting the axle housing. Subsequently, the outer attaching plate 54 is turned on to be able to grind the burrs on the outside of the axle housing. And when the outer attaching plate 54 moves upward, it synchronously drives the moving plug 541 to move upward. When the moving plug 541 moves upward, the blocking of the central pipe 53 is cancelled. At this time, the coolant in the cooling box 5 flows through the central pipe 53 to the outer attaching plate 54. Finally, the coolant flows to the contact surface between the outer attaching plate 54 and the axle housing. Through the setting of the coolant, it can not only cool down the outer attaching plate 54 when grinding the outside of the axle housing, but also wash away the dust generated during grinding.

[0030] As shown in the attached Figure 8 figure, the hole diameter grinding unit includes a fixed frame 6. Dovetail grooves 61 are formed on both inner sides of the inner wall of the fixed frame 6. Dovetail blocks are slidably installed in the dovetail grooves 61 through electric sliders. On the side of the dovetail block away from the dovetail groove 61, a cylinder 62 is fixedly installed. The telescopic ends of a plurality of cylinders 62 are jointly installed with a support frame 63 located below the fixed frame 6. A cross bar 64 is fixedly installed in the middle of the support frame 63. An installation plate 65 is rotatably installed in the middle of the cross bar 64 through a motor. A support box 68 is fixedly installed on the lower end surface of the installation plate 65. Side grooves 650 are formed on both sides of the installation plate 65. A regulation block 651 is slidably installed in the side grooves 650. On both inner sides of the inner wall of the fixed frame 6, a direction adjustment plate 652 is rotatably installed through a motor. One end of the direction adjustment plate 652 away from the fixed frame 6 is hinged to the regulation block 651.

[0031] When grinding the inside of the round hole in the middle of the axle housing, the motor is turned on to drive the deflecting plate 652 to rotate. When the deflecting plate 652 rotates, it drives the regulating block 651 to slide in the side groove 650. At this time, the mounting plate 65 flips on the cross bar 64 until the support box 68 and the middle of the axle housing are on the same axis. Then, the slider is driven to move the support box 68 into the central hole of the axle housing. Subsequently, the electric push rod 69 is controlled to push forward. When the electric push rod 69 pushes forward, it synchronously drives a plurality of push plates 691 to expand outwards. At this time, a plurality of grinding plates 692 expand at the round hole in the center of the axle housing until they contact the center of the axle housing. Then, the motor is turned on to drive the storage box 66 to rotate. While the storage box 66 rotates, it drives a plurality of grinding plates 692 to rotate and grind within the circular ring in the center of the axle housing, thereby realizing the grinding operation on the round hole in the middle of the axle housing.

[0032] An electric push rod 69 is fixedly installed inside the cavity of the support box 68. A rotating plate 681 arranged circumferentially is hinged on the support box 68. A plurality of grinding plates 692 are jointly hinged between the rotating plates 681. A circumferentially arranged through groove is opened on the outer wall of the support box 68. A push plate 691 hinged to the end of the electric push rod 69 is arranged in the through groove. The end of the push plate 691 away from the electric push rod 69 is hinged to the grinding plate 692.

[0033] A conduit 67 is installed at one end of the storage box 66. The end of the conduit 67 away from the storage box 66 is connected to the side wall of the central tube 53. Liquid outlet holes are arranged on the outer wall of the grinding plate 692. A branch pipe is jointly installed between the top of the grinding plate 692 and the storage box 66. Through the branch pipe, the coolant in the storage box 66 can be supplied to the liquid outlet holes.

[0034] As shown in the Figure 9 accompanying drawings, the painting unit includes a painting box 7 for storing painting paint. Two outer sleeves 71 are fixedly installed on both sides of the outside of the painting box 7. A plurality of equally spaced arc-shaped frames 72 are fixedly installed on the lower end surface of the painting box 7. A driving rod 73 is rotatably installed between the two outer sleeves 71 through a motor. A plurality of equally spaced driving wheels 74 are installed on the driving rod 73. Arc-shaped grooves are opened on the inner walls of the arc-shaped frames 72.

[0035] The motor is turned on to drive the transposition shaft 41 to rotate. When the transposition shaft 41 rotates, it synchronously drives the transposition plate 42 to rotate. When the transposition plate 42 rotates, it transposes the painting unit and the outer ring grinding unit, thereby facilitating the subsequent painting operation on the axle housing.

[0036] When painting the polished axle housing, the motor is turned on to drive the drive rod 73 to rotate. When the drive rod 73 rotates, it drives the surrounding ring 75 to rotate through the drive wheel 74. When the surrounding ring 75 rotates, the spray head 77 is turned on to spray paint on the inner and outer walls of the circular hole in the middle of the axle housing at the same time. And through the setting of the transfer pipe 78, the paint in the paint spraying tank 7 can be continuously transferred and supplied to the spray head 77.

[0037] A surrounding ring 75 is slidably installed in the arc-shaped groove. A through groove is opened in the middle of the arc-shaped frame 72. A plurality of equally spaced teeth 76 are fixedly installed on the outside of the surrounding ring 75. The drive wheel 74 is placed in the through groove and meshes with the teeth 76. A spray head 77 is fixedly installed in the middle of the side of the surrounding ring 75 away from the arc-shaped frame 72. A transfer pipe 78 connected to the paint spraying tank 7 is provided on one side of the spray head 77.

[0038] Since the arc-shaped frame 72 is arc-shaped, it can resist the spraying of the paint by the spray head 77 and prevent the paint from splashing when it is sprayed.

[0039] A magnetic adsorption frame 82 is rotatably installed in the middle of the recycling box 8. One end of the magnetic adsorption frame 82 penetrates through the recycling box 8. Belt wheels are fixedly installed on one side of the magnetic adsorption frame 82 and on one side of the rotating frame 31. A belt is jointly installed between the belt wheels. A recycling pipe 81 is jointly installed between the recycling box 8 and the paint spraying tank 7.

[0040] The setting of the recycling box 8 can recycle the paint dropped when spraying the axle housing, so that it can be recycled and reused. When the motor is turned on to drive the rotating frame 31 to rotate, the rotation of the rotating frame 31 can replace the positions of multiple axle housings for continuous batch processing operations of the axle housings. And when the rotating frame 31 rotates, through the setting of the belt wheels and the belt, the rotation of the magnetic adsorption frame 82 can also be driven. Through the setting of the magnetic adsorption frame 82, the paint in the recycling box 8 can be continuously filtered and adsorbed, and then the iron powder ground off can be filtered out.

[0041] When the orientation plate 652 rotates downward, it drives the regulation block 651 to slide in the side groove 650. At this time, the mounting plate 65 rotates on the cross bar 64 to facilitate the support box 68 and the axle housing to be concentric.

[0042] During use, the placement unit can place and fix multiple axle housings. At the same time, by rotating the placement unit, the axle housings of the electric drive axle can be rotated and transposed in sequence to perform continuous operations. Through the setting of the outer ring grinding unit, targeted grinding operations can be carried out on the outer edge of the center of the axle housing. And the aperture grinding unit provided on one side of the outer ring grinding unit can cooperate with the outer ring grinding unit to grind the inside of the ring in the middle of the axle housing when the outer ring grinding unit grinds the outer edge of the center of the axle housing, effectively solving the problem of difficult grinding of the outer edge and inner wall of the center of the axle housing. By starting the motor to drive the transposition shaft 41 to rotate, when the transposition shaft 41 rotates, it synchronously drives the transposition plate 42 to rotate. When the transposition plate 42 rotates, it can quickly convert the positions of the outer ring grinding unit and the painting unit, and then quickly perform painting operations on the inside and outside after grinding the center of the axle housing, so as to realize the continuous grinding and painting of the axle housing. Compared with the existing external treatment device for the electric drive axle housing, the present invention can synchronously grind the outer edge and inner wall of the ring in the middle of the axle housing, effectively overcoming the problem of difficult grinding in the middle of the electric drive axle. At the same time, the outer ring grinding unit and the painting unit can be quickly and conveniently converted, so that after the ring in the middle of the axle housing is ground, the painting operation of the outside of the axle housing can be carried out immediately; Open the two telescopic plates 3 to move closer to each other, so that when the side plates 30 move closer to each other, they can contact the two side walls of the electric drive axle. And after the rubber blocks on the two side plates 30 are placed inside the axle housing, it can prevent the electric drive axle housing from sliding during grinding. When grinding the ring in the middle of the electric drive axle housing, start the electric slider to drive the sliding frame 4 to slide in the rectangular chute until the outer attachment plate 54 fits against the outer edge of the ring in the middle of the axle housing. At this time, the outer attachment plate 54 moves up when it contacts the axle housing, and then start the outer attachment plate 54 to grind the burrs on the outside of the axle housing. And when the outer attachment plate 54 moves up, it synchronously drives the moving plug 541 to move up. When the moving plug 541 moves up, the blockage of the central tube 53 is cancelled. At this time, the coolant in the cooling box 5 flows through the central tube 53 to the outer attachment plate 54, and finally the coolant flows to the contact surface between the outer attachment plate 54 and the axle housing. Through the setting of the coolant, it can not only cool down the outer attachment plate 54 when grinding the outside of the axle housing, but also wash the dust generated during grinding; When grinding the inside of the round hole in the middle of the axle housing, the motor is turned on to drive the steering plate 652 to rotate. When the steering plate 652 rotates, it drives the control block 651 to slide in the side groove 650. At this time, the mounting plate 65 flips on the cross bar 64 until the support box 68 and the middle of the axle housing are on the same axis. Then, the slider is driven to move the support box 68 into the central hole of the axle housing. Subsequently, the electric push rod 69 is controlled to push forward. When the electric push rod 69 pushes forward, it simultaneously drives a plurality of push plates 691 to expand outwards. At this time, a plurality of grinding plates 692 expand at the round hole in the center of the axle housing until they contact the center of the axle housing. Then, the motor is turned on to drive the storage box 66 to rotate. While the storage box 66 rotates, it drives a plurality of grinding plates 692 to rotate and grind within the circular ring in the center of the axle housing, thus realizing the grinding operation on the round hole in the middle of the axle housing; The motor is turned on to drive the transposition shaft 41 to rotate. When the transposition shaft 41 rotates, it simultaneously drives the transposition plate 42 to rotate. When the transposition plate 42 rotates, it transposes the painting unit and the outer ring grinding unit, thus facilitating the subsequent painting operation on the axle housing. When painting the ground axle housing, the motor is turned on to drive the driving rod 73 to rotate. When the driving rod 73 rotates, it drives the surrounding ring 75 to rotate through the driving wheel 74. When the surrounding ring 75 rotates, the spray head 77 is turned on to spray paint on the inner and outer walls of the round hole in the middle of the axle housing simultaneously. And through the setting of the transmission pipe 78, the paint in the paint spraying box 7 can be continuously transmitted and supplied to the spray head 77. The arc-shaped frame 72 is arc-shaped, which can resist the spraying of the paint by the spray head 77 to prevent the paint from splashing when it is sprayed. The setting of the recovery box 8 can recover the paint that drops when spraying the axle housing, so that it can be recycled. When the motor is turned on to drive the rotating frame 31 to rotate, the rotation of the rotating frame 31 can transpose a plurality of axle housings, so as to perform continuous processing operations on a batch of axle housings. And when the rotating frame 31 rotates, through the setting of the belt pulley and the belt, it can also drive the magnetic adsorption frame 82 to rotate. Through the setting of the magnetic adsorption frame 82, the paint in the recovery box 8 can be continuously filtered and adsorbed, and then the iron powder ground off is filtered out.

[0043] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. An external processing device for an electric drive bridge, comprising a base (1), characterized in that: A recycling box (8) is placed in the middle of the upper end surface of the base (1), and a support plate (2) fixedly connected to the base (1) is provided on the rear side of the recycling box (8). A rectangular slide groove is opened on the upper part of the support plate (2) close to the recycling box (8), and a sliding frame (4) is slidably installed in the rectangular slide groove through an electric slider. Two symmetrically arranged transposition shafts (41) are installed in the middle of the sliding frame (4) through motor rotation. Transposition plates (42) are fixedly installed on the sides close to each other of the two transposition shafts (41), an outer ring grinding unit is fixedly installed on one side of the two transposition plates (42), a painting unit is fixedly installed on the other side of the two transposition plates (42), an aperture grinding unit is fixedly installed on the outer side of the outer ring grinding unit, and placement units are symmetrically installed on both sides of the middle of the support plate (2).

2. The electric drive bridge external processing device according to claim 1, characterized in that: The placement unit comprises two symmetrically arranged telescopic plates (3), the telescopic ends of the telescopic plates (3) being fixedly mounted with side plates (30), the sides of the two side plates (30) being close to each other being mounted with a rotating frame (31) which is rotated by a motor, the outer edges of the rotating frames (31) on both sides being circumferentially mounted with a plurality of groups of regulating plates (32), each group of regulating plates (32) being jointly mounted with a group of correspondingly arranged limit plates (33), and the inner sides of the limit plates (33) being provided with rubber blocks for fixing the inner wall of the bridge housing.

3. The electric drive axle external processing device according to claim 1, characterized in that: The outer ring grinding unit comprises a cooling box (5), external frames (51) are fixedly installed on both sides of the outside of the cooling box (5), an external box (52) located below the cooling box (5) is installed between the two external frames (51), a center tube (53) is installed between the external box (52) and the cooling box (5), an arc-shaped groove is opened in the middle of the external box (52), an arc-shaped external plate (54) is slidably installed in the groove, cross grooves (55) opened on the external box (52) are symmetrically arranged above the external plate (54), a cross plate (56) fixed to the external plate (54) is slidably installed in the cross groove (55), and a movable plug (541) for blocking the center tube (53) is fixedly installed in the middle of the upper end surface of the external plate (54).

4. The electric drive axle external processing device according to claim 1, characterized in that: The aperture grinding unit comprises a fixed frame (6), dovetail grooves (61) are provided on both sides of the inner wall of the fixed frame (6), a dovetail block is slidably installed in the dovetail groove (61) via an electric slider, a cylinder (62) is fixedly installed on the side of the dovetail block away from the dovetail groove (61), a support frame (63) located below the fixed frame (6) is commonly installed at the telescopic ends of the plurality of cylinders (62), a cross bar (64) is fixedly installed in the middle of the support frame (63), a mounting plate (65) is rotatably installed in the middle of the cross bar (64) via a motor, a support box (68) is fixedly installed on the lower end surface of the mounting plate (65), side grooves (650) are provided on both sides of the mounting plate (65), a regulating block (651) is slidably installed in the side groove (650), a direction adjustment plate (652) is rotatably installed on both sides of the inner wall of the fixed frame (6) via a motor, and an end of the direction adjustment plate (652) away from the fixed frame (6) is hinged to the regulating block (651).

5. The electric drive bridge external processing device according to claim 4, characterized in that: An electric push rod (69) is fixedly installed in the inner cavity of the support box (68), a circumferentially arranged rotating plate (681) is hinged on the support box (68), a grinding plate (692) is hinged between the plurality of rotating plates (681), an circumferentially arranged through groove is opened on the outer wall of the support box (68), a pushing plate (691) hinged to the end of the electric push rod (69) is arranged in the through groove, and one end of the pushing plate (691) away from the electric push rod (69) is hinged to the grinding plate (692).

6. The electric drive bridge external processing device according to claim 5, characterized in that: A conduction tube (67) is installed at one end of the storage box (66), and the end of the conduction tube (67) away from the storage box (66) is connected to the side wall of the central tube (53). The outer wall of the grinding plate (692) is provided with a liquid outlet. A branch pipe is installed between the top of the grinding plate (692) and the storage box (66), and the coolant in the storage box (66) can be supplied to the liquid outlet through the branch pipe.

7. The electric drive axle external processing device according to claim 1, characterized in that: The paint spraying unit comprises a paint spraying box (7) for storing paint materials, external sleeves (71) are fixedly mounted on both sides of the exterior of the paint spraying box (7), a plurality of equally spaced arc-shaped frames (72) are fixedly mounted on the lower end surface of the paint spraying box (7), a driving rod (73) is mounted between the two external sleeves (71) for rotation by a motor, a plurality of equally spaced driving wheels (74) are mounted on the driving rod (73), and an arc-shaped groove is formed on the inner wall of the arc-shaped frame (72).

8. The electric drive axle external processing device according to claim 7, characterized in that: A surrounding ring (75) is slidably mounted in the arc groove, a through groove is provided in the middle of the arc frame (72), a plurality of teeth (76) arranged at equal intervals are fixedly mounted on the outside of the surrounding ring (75), a driving wheel (74) is placed in the through groove and meshes with the teeth (76), a nozzle (77) is fixedly mounted in the middle of one side of the surrounding ring (75) away from the arc frame (72), and a transmission pipe (78) connected to the paint spray box (7) is provided on one side of the nozzle (77).

9. The electric drive axle external processing device according to claim 8, characterized in that: A magnetic frame (82) is rotatably mounted in the middle of the recovery box (8), one end of the magnetic frame (82) passes through the recovery box (8), a belt wheel is fixedly mounted on one side of the magnetic frame (82) and a rotating frame (31) on one side, a belt is commonly mounted between the belt wheels, and a recovery pipe (81) is commonly mounted between the recovery box (8) and the paint spray box (7).

10. The electric drive axle external processing device according to claim 4, characterized in that: When the adjustment plate (652) rotates downward, it drives the adjustment block (651) to slide in the side groove (650). At this time, the mounting plate (65) rotates on the cross bar (64) so ​​that the support box (68) and the bridge housing are coaxial.

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