Automatic grinding machine for welding seam of automobile rear axle

Abstract

The invention discloses an automobile rear axle welding seam automatic grinding machine which comprises a base, an adjusting wall, a supporting mechanism, an adjusting mechanism and a grinding mechanism, the adjusting wall is fixedly installed on the rear side edge of the top face of the base, the front wall face of the adjusting wall corresponds to the top face of the base, the supporting mechanism is installed on the base, and the adjusting mechanism is fixedly installed on the adjusting wall. The adjusting wall is installed on the base and used for bearing and rotating the automobile rear axle, the adjusting mechanism is installed on the adjusting wall, the grinding mechanism is installed on the adjusting mechanism, the adjusting mechanism is used for adjusting the height position and the transverse position of the grinding mechanism, and a plurality of grinding heads of different sizes are arranged on the grinding mechanism. And one of the multiple grinding heads can be automatically selected for grinding work. The automobile rear axle can be erected on the supporting mechanism to be polished, polishing is more reliable, the automobile rear axle polishing device adapts to different polishing positions and different needed polishing precision, the polishing head can be rapidly replaced for continuous polishing after damage, and the polishing efficiency is higher.

Description

Technical Field

[0001] The invention belongs to the field of vehicle rear axle weld grinding, and in particular relates to an automatic weld grinding machine for automobile rear axle welds. Background Art

[0002] The rear axle refers to the rear drive shaft component of the vehicle's power transmission. It consists of two half-bridges, which can implement half-bridge differential movement. At the same time, it is also a device used to support the wheels and connect the rear wheels. If it is a front-axle driven vehicle, then the rear axle is just a follower axle and only plays a bearing role. If the front axle is not a drive axle, then the rear axle is a drive axle. In this case, in addition to the bearing function, it also plays the role of driving, deceleration and differential. If it is a four-wheel drive, there is generally a transfer case in front of the rear axle. The rear axle is divided into an integral axle and a half-bridge. The integral axle is equipped with a non-independent suspension, such as a leaf spring suspension, and the half-bridge is equipped with an independent suspension, such as a McPherson suspension.

[0003] During the assembly process of automobile rear axles, welding is often used to connect them. Welding has many advantages, such as good connection performance, good structural rigidity and integrity, various welding methods, saving metal materials, reducing structural weight, strong adaptability, high production efficiency, low cost, etc. However, after welding, welds will be generated at the assembly connection of the rear axle, affecting the overall appearance. The grinding position of general grinders is fixed, and the grinding position cannot be automatically adjusted. The size of the grinding head cannot be quickly adjusted, and the grinding efficiency is low.

[0004] Based on this, the applicant considered designing an automatic grinding machine for the weld seam of the rear axle of an automobile. Summary of the invention

[0005] In view of the above problems, the present invention provides an automatic grinding machine for the weld seam of a rear axle of an automobile that overcomes the above problems or at least partially solves the above problems. The technical solution is as follows:

[0006] The automatic weld seam grinding machine for automobile rear axle comprises a base, an adjustment wall, a support mechanism, an adjustment mechanism and a grinding mechanism. The adjustment wall is fixedly mounted on the rear edge of the top surface of the base, and the front wall surface of the adjustment wall corresponds to the top surface of the base. The support mechanism is mounted on the base and is used to carry and rotate the automobile rear axle. The adjustment mechanism is mounted on the adjustment wall. The grinding mechanism is mounted on the adjustment mechanism. The adjustment mechanism is used to adjust the height position and lateral position of the grinding mechanism. The grinding mechanism is provided with a plurality of grinding heads of different sizes, and can automatically select one of the plurality of grinding heads for grinding.

[0007] Compared with the prior art, the automatic grinding machine for the rear axle weld of an automobile of the present invention has the following advantages:

[0008] By setting the base, adjustment wall, support mechanism, adjustment mechanism and grinding mechanism, the rear axle of the automobile can be mounted on the support mechanism for grinding, and the grinding is more reliable. The adjustment mechanism can adjust the vertical and horizontal positions of the grinding mechanism to drive the grinding mechanism to adapt to different grinding positions. At the same time, the grinding mechanism can automatically switch among multiple grinding heads to further adapt to different required grinding precisons. The grinding head can also be quickly replaced after damage to continue grinding, and the grinding efficiency is higher.

[0009] The above-mentioned automatic grinding machine for welding seams of automobile rear axles has the advantages of simple structure and easy implementation, is suitable for installation and use in the existing automobile rear axle grinding process, and has low cost of use, which can improve efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0011] Figure 2 for Figure 1 Schematic diagram of the structure after the middle lifting platform moves downward;

[0012] Figure 3 It is an enlarged structural schematic diagram of the grinding mechanism;

[0013] Figure 4 It is an enlarged schematic diagram of the switching column and the grinding head;

[0014] Figure 5 for Figure 4 Schematic diagram of the cross-sectional structure of AA;

[0015] Description of Reference Numerals

[0016] 100 base, 110 adjustment wall;

[0017] 210 lifting platform, 220 first motor, 230 first transmission shaft, 240 moving column, 250 second motor, 260 second transmission shaft;

[0018] 310 connecting frame, 320 switching column, 330 third motor, 340 first grinding head, 350 second grinding head, 360 third grinding head, 370 rotating frame, 380 connecting column, 390 fourth motor;

[0019] 410 support frame, 411 rotating shaft, 420 fifth motor;

[0020] 510 drain trough, 520 fan, 530 cleaning chamber. DETAILED DESCRIPTION

[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings.

[0022] When implementing: Figure 1-5 As shown, the automatic weld grinding machine for the rear axle of an automobile comprises a base 100, an adjustment wall 110, a supporting mechanism, an adjusting mechanism and a grinding mechanism. The adjusting wall 110 is fixedly mounted on the rear edge of the top surface of the base 100, and the front wall surface of the adjusting wall 110 corresponds to the top surface of the base 100. The supporting mechanism is mounted on the base 100 and is used to carry and rotate the rear axle of the automobile. The adjusting mechanism is mounted on the adjusting wall 110. The grinding mechanism is mounted on the adjusting mechanism. The adjusting mechanism is used to adjust the height position and the lateral position of the grinding mechanism. A plurality of grinding heads of different sizes are arranged on the grinding mechanism, and the grinding mechanism can automatically select one of the plurality of grinding heads for grinding.

[0023] Compared with the prior art, the automatic grinding machine for the rear axle weld of an automobile of the present invention has the following advantages:

[0024] By setting the base 100, the adjustment wall 110, the support mechanism, the adjustment mechanism and the grinding mechanism, the rear axle of the automobile can be mounted on the support mechanism for grinding, and the grinding is more reliable. The adjustment mechanism can adjust the vertical and horizontal positions of the grinding mechanism to drive the grinding mechanism to adapt to different grinding positions. At the same time, the grinding mechanism can automatically switch among multiple grinding heads to further adapt to different required grinding accuracies. The grinding head can also be quickly replaced after damage to continue grinding, and the grinding efficiency is higher.

[0025] The above-mentioned automatic grinding machine for welding seams of automobile rear axles has the advantages of simple structure and easy implementation, is suitable for installation and use in the existing automobile rear axle grinding process, and has low cost of use, which can improve efficiency.

[0026] In this embodiment, Figure 1-5 As shown, the adjusting mechanism includes a lifting group, a lifting platform 210, a first motor 220, a first transmission shaft 230 and a moving column 240. The lifting group is installed in the adjusting wall 110. The lifting platform 210 is transmission-connected to the lifting group on one side of the front wall surface of the adjusting wall 110. The lifting group can drive the lifting platform 210 to move up and down. The lifting platform 210 includes two opposite ends in the length direction, and a boss is provided on each of the two ends. The first motor 220 is installed on one of the bosses. One end of the first transmission shaft 230 is coaxially connected to the rotating shaft of the first motor 220, and the other end is rotationally connected to the other boss. The moving column 240 is slidably installed on the top surface of the lifting platform 210 and is threadedly transmission-connected to the first transmission shaft 230. The grinding mechanism is installed below the lifting platform 210 and is connected to the moving column 240.

[0027] In this way, by setting up the lifting group, lifting platform 210, first motor 220, first transmission shaft 230 and moving column 240, the lifting platform 210 can move vertically through the lifting group, and can drive the moving column 240 to move horizontally through the first motor 220 and the first transmission shaft 230. The movement structure is relatively simple and the operation is relatively stable and reliable.

[0028] During implementation, a threaded hole is opened in the moving column 240 , and the moving column 240 is threadedly connected to the first transmission shaft 230 through the threaded hole. The moving direction of the moving column 240 is consistent with the length direction of the lifting platform 210 .

[0029] In this embodiment, Figure 1-5 As shown, there are two lifting groups, which correspond to the two bosses at both ends of the lifting platform 210 respectively. The lifting group includes a second motor 250 and a second transmission shaft 260. The positions corresponding to the two bosses on the adjusting wall 110 are vertically opened with transmission cavities, and the transmission cavity runs through the front wall surface of the adjusting wall 110. The second motor 250 is installed at the bottom of the transmission cavity, and the second transmission shaft 260 is vertically installed in the transmission cavity. The bottom end of the second transmission shaft 260 is coaxially connected with the corresponding rotating shaft of the second motor 250, and the top end extends upward. The two bosses are respectively connected with the two second transmission shafts 260 through threading.

[0030] In this way, by providing the second motor 250 and the second transmission shaft 260, when the lifting platform 210 is lifted or lowered, the second motor 250 drives the second transmission shaft 260 to be lifted or lowered, so that the transmission structure is more reliable and the transmission is more stable.

[0031] During implementation, threaded holes are also provided on the two bosses, and they are threadedly connected to the corresponding second transmission shaft 260 through their respective threaded holes.

[0032] In this embodiment, Figure 1-5 As shown, the grinding mechanism includes a connecting frame 310, a switching assembly, a first grinding head 340, a second grinding head 350 and a third grinding head 360. The connecting frame 310 is arranged below the lifting platform 210 and is connected to the moving column 240. The switching assembly is installed on the connecting frame 310. The first grinding head 340, the second grinding head 350 and the third grinding head 360 are all arranged on the switching assembly.

[0033] In this way, by setting the connecting frame 310, the switching component, the first grinding head 340, the second grinding head 350 and the third grinding head 360, the switching component can automatically switch between the first grinding head 340, the second grinding head 350 and the third grinding head 360, and different grinding heads can be selected to meet different grinding requirements, with greater flexibility and quick and convenient switching.

[0034] During implementation, a connecting rod is connected between the connecting frame 310 and the moving column 240 .

[0035] In this embodiment, Figure 1-5 As shown, the switching component includes a switching column 320 and a third motor 330, and a connecting platform is respectively provided at both ends of the connecting frame 310. The two ends of the switching column 320 are respectively rotatably connected to the two connecting platforms, and the third motor 330 is installed on the outside of one of the connecting platforms, and the rotating shaft of the third motor 330 is coaxially connected to the switching column 320.

[0036] In this way, by setting the switching column 320 and the third motor 330, the switching column 320 can be driven by the third motor 330 to rotate for switching, which is fast, efficient, easy to implement and low in manufacturing cost.

[0037] In this embodiment, Figure 1-5 As shown, the grinding mechanism also includes a rotating frame 370, and there are three rotating frames 370. The first grinding head 340, the second grinding head 350 and the third grinding head 360 are rotatably connected to the three rotating frames 370 respectively. The first grinding head 340, the second grinding head 350 and the third grinding head 360 are arranged in a circular array on the outer circumferential surface of the switching column 320 in sequence through their respective corresponding rotating frames 370, and the grinding diameters of the first grinding head 340, the second grinding head 350 and the third grinding head 360 increase in sequence.

[0038] In this way, by setting up the rotating frame 370, the first grinding head 340, the second grinding head 350 and the third grinding head 360 can be rotatably connected to the rotating frame 370, and different grinding directions and angles can be obtained by rotating the direction of the rotating frame 370, so that the freedom of grinding is further improved, the flexibility and adaptability are further improved, and the grinding efficiency is improved.

[0039] In this embodiment, Figure 1-5As shown, a connecting column 380 is connected between the rotating frame 370 on the first grinding head 340, the second grinding head 350 and the third grinding head 360 and the switching column 320, and a fourth motor 390 is arranged in each of the connecting columns 380, and the rotating shaft of each of the fourth motors 390 is rotationally connected to the corresponding rotating frame 370.

[0040] In this way, by providing the connecting column 380 and the fourth motor 390, the rotating frame 370 can be driven to rotate by the fourth motor 390 without manual rotation, which makes the rotation more convenient and quick, improves the grinding efficiency, and reduces the risk of manual operation.

[0041] In this embodiment, Figure 1-5 As shown, the support mechanism includes two support frames 410 and a fifth motor 420. The two support frames 410 are arranged on the base 100 opposite to each other and correspond to the two bosses. Both support frames 410 are rotatably connected to a rotating shaft 411. The fifth motor 420 is installed on the base 100 and is transmission-connected to one of the rotating shafts 411.

[0042] In this way, by setting up two support frames 410 and the fifth motor 420, the rear axle of the automobile can be erected on the two support frames 410, and the fifth motor 420 can drive the rotating shaft 411 to rotate, so that the polished workpiece can be aligned with the corresponding polishing head at multiple angles for more comprehensive polishing.

[0043] During implementation, a pulley is disposed on the rotating shaft of the fifth motor 420 , and a pulley is also disposed on the outer end of the rotating shaft 411 corresponding to the fifth motor 420 , and a belt is connected between the two pulleys for transmission.

[0044] In this embodiment, Figure 1-5 As shown, a cleaning cavity 530 is opened in the base 100 , and a plurality of drain grooves 510 are opened at equal intervals on the top surface of the base 100 . The cleaning cavity 530 can be connected to the upper part of the base 100 through the drain grooves 510 .

[0045] In this way, by setting up the cleaning chamber 530, the grinding debris generated by grinding above the base 100 can fall into the cleaning chamber 530, and cleaning through the cleaning chamber 530 in the base 100 is more convenient, thereby improving the cleaning efficiency.

[0046] In this embodiment, Figure 1-5 As shown, a fan 520 is disposed on the top surface of the cleaning chamber 530 for sucking the grinding chips generated by grinding above the base 100 into the cleaning chamber 530 .

[0047] In this way, the fan 520 is provided to further suck the grinding chips generated by grinding above the base 100 , so that more grinding chips can be sucked into the cleaning chamber 530 , thereby improving the cleanliness of the exterior above the base 100 .

[0048] The above are only preferred implementations of the present invention. It should be pointed out that a number of modifications and improved technical solutions made by those skilled in the art without departing from the technical solution should also be deemed to fall within the scope of protection required by the claims.

Claims

1. Automobile rear axle weld automatic grinding machine, characterized by: It includes a base, an adjustment wall, a supporting mechanism, an adjustment mechanism and a grinding mechanism. The adjustment wall is fixedly mounted on the rear edge of the top surface of the base. The front wall surface of the adjustment wall corresponds to the top surface of the base. The supporting mechanism is mounted on the base and is used to carry and rotate the rear axle of the automobile. The adjustment mechanism is mounted on the adjustment wall. The grinding mechanism is mounted on the adjustment mechanism. The adjustment mechanism is used to adjust the height position and lateral position of the grinding mechanism. A plurality of grinding heads of different sizes are arranged on the grinding mechanism, and the grinding mechanism can automatically select one of the plurality of grinding heads for grinding.

2. The automatic grinding machine for automobile rear axle weld according to claim 1, characterized in that: The adjusting mechanism comprises a lifting group, a lifting platform, a first motor, a first transmission shaft and a moving column, the lifting group is installed in the adjusting wall, the lifting platform is connected to the lifting group on one side of the front wall surface of the adjusting wall, the lifting group can drive the lifting platform to move up and down, the lifting platform comprises two ends opposite to each other in the length direction, a boss is provided on each of the two ends, the first motor is installed on one of the bosses, one end of the first transmission shaft is coaxially connected to the rotating shaft of the first motor, and the other end is rotatably connected to the other boss, the moving column is slidably installed on the top surface of the lifting platform, and is threadedly connected to the first transmission shaft, and the grinding mechanism is installed under the lifting platform and connected to the moving column.

3. The automatic grinding machine for automobile rear axle weld according to claim 2, characterized in that: There are two groups of lifting groups, which correspond to the two bosses at both ends of the lifting platform respectively. The lifting group includes a second motor and a second transmission shaft. Transmission cavities are vertically opened at the positions corresponding to the two bosses on the adjustment wall. The transmission cavity runs through the front wall surface of the adjustment wall. The second motor is installed at the bottom of the transmission cavity. The second transmission shaft is vertically installed in the transmission cavity. The bottom end of the second transmission shaft is coaxially connected with the corresponding rotating shaft of the second motor, and the top end extends upward. The two bosses are respectively connected with the two second transmission shafts through threaded transmission.

4. The automatic grinding machine for automobile rear axle weld according to claim 3 is characterized in that: The grinding mechanism includes a connecting frame, a switching assembly, a first grinding head, a second grinding head and a third grinding head. The connecting frame is arranged below the lifting platform and connected to the movable column. The switching assembly is installed on the connecting frame. The first grinding head, the second grinding head and the third grinding head are all arranged on the switching assembly.

5. The automatic grinding machine for automobile rear axle weld according to claim 4, characterized in that: The switching assembly includes a switching column and a third motor. A connecting platform is respectively provided at both ends of the connecting frame. Both ends of the switching column are rotatably connected to the two connecting platforms respectively. The third motor is installed on the outside of one of the connecting platforms, and the rotating shaft of the third motor is coaxially connected to the switching column.

6. The automatic grinding machine for automobile rear axle weld according to claim 5, characterized in that: The grinding mechanism also includes a rotating frame, and there are three rotating frames. The first grinding head, the second grinding head and the third grinding head are rotatably connected to the three rotating frames respectively. The first grinding head, the second grinding head and the third grinding head are arranged in a circular array on the outer circumferential surface of the switching column in sequence through the corresponding rotating frames, and the grinding diameters of the first grinding head, the second grinding head and the third grinding head increase in sequence.

7. The automatic grinding machine for automobile rear axle weld according to claim 6, characterized in that: A connecting column is connected between the rotating frames on the first grinding head, the second grinding head and the third grinding head and the switching column, and a fourth motor is arranged in each connecting column. The rotating shaft of each fourth motor is rotatably connected to the corresponding rotating frame.

8. The automatic grinding machine for automobile rear axle weld according to claim 7, characterized in that: The support mechanism includes two support frames and a fifth motor. The two support frames are arranged on the base opposite to each other and correspond to the two bosses. Both support frames are rotatably connected to a rotating shaft. The fifth motor is installed on the base and is transmission-connected to one of the rotating shafts.

9. The automatic grinding machine for automobile rear axle weld according to any one of claims 1 to 8, characterized in that: A cleaning cavity is provided in the base, and a plurality of drain grooves are provided on the top surface of the base at equal intervals. The cleaning cavity can be communicated with the upper portion of the base through the drain grooves.

10. The automatic grinding machine for automobile rear axle weld according to claim 9, characterized in that: A fan is arranged on the top surface of the cleaning chamber to suck the grinding debris generated by grinding above the base into the cleaning chamber.

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