Wheel rim grinding device and grinding method

Abstract

The invention relates to the technical field of bicycle manufacturing, in particular to a wheel rim grinding device and method. Wherein the supporting table is used for supporting a rim, the first mechanical arm and the second mechanical arm are arranged on the two sides of the supporting table correspondingly, the feeding platform and the discharging platform are arranged on the two sides of the supporting table correspondingly, the first mechanical arm can move the rim on the feeding platform to the supporting table, and the first mechanical arm can grind the rim from the outer ring of the rim to the inner ring of the rim; the second mechanical arm can move the rim on the supporting table to the discharging platform, and the second mechanical arm can grind the rim from the inner ring of the rim to the outer ring of the rim. According to the device, the first mechanical arm and the second mechanical arm alternately grind, so that the two sides of the rim are ground uniformly, and the grinding quality is improved; the first mechanical arm can transfer unground wheel rims from the feeding platform to the supporting table, the second mechanical arm can transfer ground wheel rims from the supporting table to the discharging platform, automation of grinding work is achieved, and the grinding efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of bicycle manufacturing, and in particular to a wheel rim grinding device and a grinding method. Background Art

[0002] At present, the automatic wheel rim grinding solutions adopted in the industry are mostly semi-automatic solutions to assist manual grinding. The wheel rim is rotated by a motor-driven clamping mechanism, and then manually ground. This method assists manual work and cannot achieve uniform grinding, which reduces product quality, and the manual grinding efficiency is low.

[0003] Therefore, there is an urgent need for a wheel rim grinding device and a grinding method to solve the above-mentioned technical problems. Summary of the invention

[0004] The purpose of the present invention is to provide a wheel rim grinding device and a grinding method, which can improve the grinding efficiency and enhance the grinding quality.

[0005] To achieve this object, the present invention adopts the following technical solutions:

[0006] A wheel rim grinding device comprises: a support table, a first robotic arm, a second robotic arm, a loading platform and a unloading platform, the support table is used to support the wheel rim, the first robotic arm and the second robotic arm are respectively arranged on both sides of the support table, the loading platform and the unloading platform are respectively arranged on both sides of the support table, and the loading platform and the unloading platform are both used to store the wheel rim, the first robotic arm can move the wheel rim on the loading platform to the support table, and the first robotic arm can grind from the outer ring of the wheel rim to the inner ring of the wheel rim, the second robotic arm can move the wheel rim on the support table to the unloading platform, and the second robotic arm can grind from the inner ring of the wheel rim to the outer ring of the wheel rim.

[0007] As a preferred technical solution of the above-mentioned wheel rim grinding device, the wheel rim grinding device and the grinding method also include a clamping assembly and a lifting assembly, the lifting assembly is arranged on the support platform, the lifting assembly is transmission-connected to the clamping assembly, and the lifting assembly can drive the clamping assembly to contact or separate from the wheel rim.

[0008] As a preferred technical solution of the above-mentioned wheel rim grinding device, the lifting assembly includes a first bracket, a cylinder, a movable part and a guide rod, the first bracket is arranged on the support platform, the cylinder is arranged on the first bracket, the output end of the cylinder passes through the first bracket and is connected to the movable part, the first bracket is provided with a guide hole, one end of the guide rod passes through the guide hole and is connected to the movable part, the guide rod can move along the length direction of the guide hole, and the clamping assembly is arranged on the movable part.

[0009] As a preferred technical solution of the above-mentioned wheel grinding device, the pressing assembly includes a first driving member and a driving wheel. The first driving member is disposed on the moving member, the driving wheel is rotatably disposed on the bottom wall of the moving member, the first driving member is in transmission connection with the driving wheel, and the first driving member can drive the driving wheel to rotate. The wheel grinding device and the grinding method further include a plurality of supporting wheels. The plurality of supporting wheels are spaced apart and rotatably disposed on the supporting table. The center lines of the plurality of supporting wheels are arc-shaped. The plurality of supporting wheels and the driving wheel can all abut against the outer ring of the wheel.

[0010] As a preferred technical solution of the above-mentioned wheel grinding device, both the first robotic arm and the second robotic arm include a robotic hand, a grinding head and a fixture. The grinding head and the fixture are spaced apart and disposed on the robotic hand. The grinding head is used for grinding the wheel, and the fixture is used for clamping the wheel.

[0011] As a preferred technical solution of the above-mentioned wheel grinding device, the wheel grinding device and the grinding method further include a mounting plate. The mounting plate is connected to the robotic hand, and the grinding head and the fixture are respectively connected to two ends of the mounting plate.

[0012] As a preferred technical solution of the above-mentioned wheel grinding device, the fixture includes a fixed clamp, a movable clamp and a third driving member. The fixed clamp and the third driving member are both mounted on the mounting plate. The third driving member is in transmission connection with the movable clamp, and the third driving member can drive the movable clamp to approach or move away from the fixed clamp.

[0013] A grinding method, applying the wheel grinding device in any of the above preferred technical solutions, the grinding method includes:

[0014] S1: The first robotic arm moves to the loading platform to grab the wheel to be ground;

[0015] S2: After the grabbing is completed, the wheel is transported to the supporting table;

[0016] S3: After the wheel is fixed, both the first robotic arm and the second robotic arm move to the grinding waiting position of the supporting table;

[0017] S4: The first robotic arm grinds from the outer ring to the inner ring of the wheel, and the second robotic arm grinds from the inner ring to the outer ring of the wheel;

[0018] S5: After the grinding is completed, the second robotic arm removes the wheel from the supporting table and transports it to the unloading platform.

[0019] As a preferred technical solution of the above-mentioned grinding method, the grinding method further includes: S0: Manually place the cart full of the rims on the loading platform, and place the empty cart on the unloading platform.

[0020] As a preferred technical solution of the above-mentioned grinding method, the grinding method further includes: S6: After the cart on the unloading platform is full, manually push out the full cart.

[0021] Advantages of the present invention:

[0022] The present invention provides a rim grinding device. The rim grinding device and the grinding method include: a support table, a first robotic arm, a second robotic arm, a loading platform, and an unloading platform. The support table is used to support the rim. The first robotic arm and the second robotic arm are respectively arranged on both sides of the support table. The loading platform and the unloading platform are respectively arranged on both sides of the support table, and both the loading platform and the unloading platform are used to store rims. The first robotic arm can move the rim on the loading platform to the support table, and the first robotic arm can grind from the outer ring of the rim to the inner ring of the rim. The second robotic arm can move the rim on the support table to the unloading platform, and the second robotic arm can grind from the inner ring of the rim to the outer ring of the rim. The device grinds alternately through the first robotic arm and the second robotic arm, making the grinding on both sides of the rim uniform and improving the grinding quality. At the same time, the first robotic arm can transfer the unground rim from the loading platform to the support table, and the second robotic arm can transfer the ground rim from the support table to the unloading platform, realizing the automation of the grinding work and improving the grinding efficiency. Description of the drawings

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for the description of the embodiments of the present invention. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained according to the content of the embodiments of the present invention and these drawings.

[0024] Figure 1 It is a schematic structural diagram of the rim grinding device and the grinding method provided by the embodiment of the present invention;

[0025] Figure 2 It is a schematic structural diagram of the pressing assembly and the lifting assembly provided by the embodiment of the present invention;

[0026] Figure 3 It is a schematic structural diagram of the first robotic arm provided by the embodiment of the present invention.

[0027] In the figure:

[0028] 1. Support platform; 2. First robotic arm; 201. Manipulator; 202. Grinding head; 203. Fixture; 2031. Fixed clamp; 2032. Movable clamp; 2033. Third driving member; 3. Second robotic arm; 4. Loading platform; 5. Unloading platform; 6. Rim; 7. First bracket; 8. Cylinder; 9. Moving member; 10. Guide rod; 11. First driving member; 12. Driving wheel; 13. Support wheel; 14. Mounting plate; 15. Guide member; 16. Limiting member. Detailed implementation manner

[0029] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present invention, rather than limiting the present invention. In addition, it should be noted that for the convenience of description, only the parts related to the present invention are shown in the drawings, rather than all the structures.

[0030] In the description of the present invention, unless otherwise clearly defined and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0031] In the present invention, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features between them. Moreover, the first feature being "above", "above", and "on" the second feature includes that the first feature is directly above and obliquely above the second feature, or simply means that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "below", and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or simply means that the horizontal height of the first feature is lower than that of the second feature.

[0032] In the description of this embodiment, the orientation or positional relationship terms such as "above", "below", "left", and "right" are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as a limitation to the present invention. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0033] Such as Figures 1 to 3As shown, the present invention provides a wheel rim grinding device and a grinding method. The wheel rim grinding device and the grinding method include: a support platform 1, a first mechanical arm 2, a second mechanical arm 3, a loading platform 4 and a unloading platform 5.

[0034] Specifically, the support platform 1 is used to support the wheel rim 6, the first mechanical arm 2 and the second mechanical arm 3 are respectively arranged on both sides of the support platform 1, the loading platform 4 and the unloading platform 5 are respectively arranged on both sides of the support platform 1, and the loading platform 4 and the unloading platform 5 are both used to store the wheel rim 6, the first mechanical arm 2 can move the wheel rim 6 on the loading platform 4 to the support platform 1, and the first mechanical arm 2 can grind from the outer ring of the wheel rim 6 to the inner ring of the wheel rim 6, the second mechanical arm 3 can move the wheel rim 6 on the support platform 1 to the unloading platform 5, and the second mechanical arm 3 can grind from the inner ring of the wheel rim 6 to the outer ring of the wheel rim 6. The device grinds alternately by the first mechanical arm 2 and the second mechanical arm 3, so that both sides of the wheel rim 6 are evenly ground and the grinding quality is improved; at the same time, the first mechanical arm 2 can transfer the unground wheel rim 6 from the loading platform 4 to the support platform 1, and the second mechanical arm 3 can transfer the ground wheel rim 6 from the support platform 1 to the unloading platform 5, so as to realize the automation of grinding work and improve grinding efficiency.

[0035] Optionally, the wheel rim grinding device also includes a clamping assembly and a lifting assembly, the lifting assembly is arranged on the support platform 1, the lifting assembly is transmission-connected to the clamping assembly, and the lifting assembly can drive the clamping assembly to abut against or separate from the wheel rim 6, so as to fix the wheel rim 6 and prevent the wheel rim 6 from shifting.

[0036] Further, the lifting assembly includes a first bracket 7, a cylinder 8, a moving part 9 and a guide rod 10. The first bracket 7 is arranged on the support platform 1. The cylinder 8 is arranged on the first bracket 7. The output end of the cylinder 8 passes through the first bracket 7 and is connected to the moving part 9. The first bracket 7 is provided with a guide hole. One end of the guide rod 10 passes through the guide hole and is connected to the moving part 9. The guide rod 10 can move along the guide hole. The clamping assembly is arranged on the moving part 9. Specifically, the first bracket 7 is fixed to the support platform 1, and the cylinder 8, the moving part 9 and the guide rod 10 are all located above the support platform 1. The cylinder 8 is fixed to the top plate of the first bracket 7. The output end of the cylinder 8 passes through the top plate of the first bracket 7 and is connected to the moving part 9. The top plate of the first bracket 7 is provided with a guide hole. The guide rod 10 moves along the length direction of the guide hole, thereby improving the accuracy of the movement of the moving part 9.

[0037] Further, the lifting assembly is provided with four guide rods 10 and two limit members 16. The first bracket 7 is provided with four guide holes, and the four guide holes are arranged in one-to-one correspondence with the four guide rods 10. One ends of the four guide rods 10 are respectively connected to four corners of the moving member 9, which can improve the stability of the moving member 9. The other ends of the two guide rods 10 at both ends of the moving member 9 are respectively connected to the limit members 16, and the limit members 16 can abut against the top plate of the first bracket 7 to prevent the moving member 9 from descending too far.

[0038] Optionally, the rim grinding device further includes four guide members 15, and the four guide members 15 are arranged in one-to-one correspondence with the four guide holes. The guide members 15 are provided with through holes, and the through holes are aligned with the guide holes, and the limit members 16 can abut against the guide members 15.

[0039] Optionally, the pressing assembly includes a first driving member 11 and a driving wheel 12. The first driving member 11 is arranged on the moving member 9, and the driving wheel 12 is rotatably arranged on the bottom wall of the moving member 9. The first driving member 11 is in transmission connection with the driving wheel 12, and the first driving member 11 can drive the driving wheel 12 to rotate. The rim grinding device further includes a plurality of supporting wheels 13, and the plurality of supporting wheels 13 are arranged at intervals and rotatably arranged on the supporting table 1. The center lines of the plurality of supporting wheels 13 are arc-shaped, and both the plurality of supporting wheels 13 and the driving wheel 12 can abut against the outer ring of the rim 6. Specifically, the pressing assembly is provided with two driving wheels 12 and two supporting wheels 13. The two driving wheels 12 are both rotatably arranged on the moving member 9, and the two supporting wheels 13 are rotatably arranged on the supporting table 1. The two driving wheels 12 and the two supporting wheels 13 cooperate to position the rim 6. The two driving wheels 12 are connected by a pulley assembly. The first driving member 11 drives the pulley assembly to move, and the two driving wheels 12 drive the rim 6 to rotate, so that the rim 6 is evenly polished.

[0040] Optionally, both the first robotic arm 2 and the second robotic arm 3 include a robotic hand 201, a grinding head 202 and a fixture 203. The grinding head 202 and the fixture 203 are arranged at intervals on the robotic hand 201. The grinding head 202 is used for grinding the rim 6, and the fixture 203 is used for clamping the rim 6. Specifically, both the grinding head 202 and the fixture 203 are detachably connected to the robotic hand 201, which is convenient for replacing the grinding head 202 and the fixture 203.

[0041] Optionally, the rim grinding device further includes a mounting plate 14, and the mounting plate 14 is connected to the robotic hand 201. The grinding head 202 and the fixture 203 are respectively connected to both ends of the mounting plate 14, which can improve the stability of the grinding head 202 and the fixture 203.

[0042] Optionally, the fixture 203 includes a fixed clamp 2031, a movable clamp 2032, and a third driving member 2033. Both the fixed clamp 2031 and the third driving member 2033 are mounted on the mounting plate 14. The third driving member 2033 is in transmission connection with the movable clamp 2032, and the third driving member 2033 can drive the movable clamp 2032 to approach or move away from the fixed clamp 2031. Specifically, the fixed clamp 2031 is provided with a groove, and the inner ring of the wheel rim 6 can be inserted into the groove, improving the clamping strength of the fixture 203 on the wheel rim 6 and preventing the wheel rim 6 from falling off.

[0043] The present invention also provides a grinding method, which applies the grinding device in the above embodiment. The grinding method includes:

[0044] S1: The first robotic arm 2 moves to the loading platform 4 to grasp the wheel rim 6 to be ground;

[0045] S2: After grasping, the wheel rim 6 is transported to the support table 1;

[0046] S3: After fixing the wheel rim 6, both the first robotic arm 2 and the second robotic arm 3 move to the grinding waiting position of the support table 1;

[0047] S4: The first robotic arm 2 grinds from the outer ring of the wheel rim 6 to the inner ring of the wheel rim 6, and the second robotic arm 3 grinds from the inner ring of the wheel rim 6 to the outer ring of the wheel rim 6;

[0048] S5: After grinding is completed, the second robotic arm 3 removes the wheel rim 6 from the support table 1 and transports it to the unloading platform 5.

[0049] Optionally, the grinding method further includes: S0: Manually place the cart full of wheel rims 6 on the loading platform 4 and place the empty cart on the unloading platform 5.

[0050] Optionally, the grinding method further includes: S6: After the cart on the unloading platform 5 is full, manually push out the full cart.

[0051] In addition, the above is only the preferred embodiment of the present invention and the applied technical principle. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described here. Various obvious changes, re-adjustments, and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments. Without departing from the concept of the present invention, more other equivalent embodiments can be included, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A rim grinding device, characterized in that, include: A support platform (1), a first robotic arm (2), a second robotic arm (3), a loading platform (4) and a unloading platform (5), wherein the support platform (1) is used to support a wheel rim (6), the first robotic arm (2) and the second robotic arm (3) are respectively arranged on both sides of the support platform (1), the loading platform (4) and the unloading platform (5) are respectively arranged on both sides of the support platform (1), and the loading platform (4) and the unloading platform (5) are both used to store the wheel rim (6), the first robotic arm (2) can move the wheel rim (6) on the loading platform (4) to the support platform (1), and the first robotic arm (2) can grind from the outer ring of the wheel rim (6) to the inner ring of the wheel rim (6), the second robotic arm (3) can move the wheel rim (6) on the support platform (1) to the unloading platform (5), and the second robotic arm (3) can grind from the inner ring of the wheel rim (6) to the outer ring of the wheel rim (6).

2. The rim grinding device according to claim 1, characterized in that, The wheel rim grinding device further comprises a clamping assembly and a lifting assembly, wherein the lifting assembly is arranged on the support platform (1), the lifting assembly is transmission-connected to the clamping assembly, and the lifting assembly can drive the clamping assembly to abut against or separate from the wheel rim (6).

3. The rim grinding device according to claim 2, wherein, The lifting assembly comprises a first bracket (7), a cylinder (8), a moving part (9) and a guide rod (10); the first bracket (7) is arranged on the support platform (1); the cylinder (8) is arranged on the first bracket (7); the output end of the cylinder (8) passes through the first bracket (7) and is connected to the moving part (9); the first bracket (7) is provided with a guide hole; one end of the guide rod (10) passes through the guide hole and is connected to the moving part (9); the guide rod (10) can move along the length direction of the guide hole; and the clamping assembly is arranged on the moving part (9).

4. A rim grinding device according to claim 3, characterized in that, The clamping assembly comprises a first driving member (11) and a driving wheel (12), wherein the first driving member (11) is arranged on the movable member (9), and the driving wheel (12) is rotatably arranged on the bottom wall of the movable member (9), the first driving member (11) is transmission-connected with the driving wheel (12), and the first driving member (11) can drive the driving wheel (12) to rotate, and the wheel rim grinding device also comprises a plurality of supporting wheels (13), wherein the plurality of supporting wheels (13) are rotatably arranged on the supporting platform (1) at intervals, and the center lines of the plurality of supporting wheels (13) are arc-shaped, and the plurality of supporting wheels (13) and the driving wheel (12) can both abut against the outer ring of the wheel rim (6).

5. A rim grinding device according to claim 1, characterized in that, The first robot arm (2) and the second robot arm (3) both comprise a robot arm (201), a grinding head (202) and a clamp (203); the grinding head (202) and the clamp (203) are arranged at intervals on the robot arm (201); the grinding head (202) is used for grinding the wheel rim (6); and the clamp (203) is used for clamping the wheel rim (6).

6. The rim grinding device according to claim 5, characterized in that, The rim grinding device further includes a mounting plate (14), the mounting plate (14) is connected to the manipulator (201), and the grinding head (202) and the fixture (203) are respectively connected to two ends of the mounting plate (14).

7. The rim grinding device according to claim 6, characterized in that, The fixture (203) includes a fixed clamp (2031), a movable clamp (2032) and a third driving member (2033). The fixed clamp (2031) and the third driving member (2033) are both mounted on the mounting plate (14). The third driving member (2033) is in transmission connection with the movable clamp (2032), and the third driving member (2033) can drive the movable clamp (2032) to approach or move away from the fixed clamp (2031).

8. A grinding method, characterized in that, Applying the grinding device according to any one of claims 1-7, the grinding method includes: S1: The first robotic arm (2) moves to the loading platform (4) to grasp the rim (6) to be ground; S2: After grasping, the rim (6) is transported to the support table (1); S3: After fixing the rim (6), both the first robotic arm (2) and the second robotic arm (3) move to the grinding waiting position of the support table (1); S4: The first robotic arm (2) grinds from the outer ring of the rim (6) to the inner ring of the rim (6), and the second robotic arm (3) grinds from the inner ring of the rim (6) to the outer ring of the rim (6); S5: After grinding is completed, the second robotic arm (3) removes the rim (6) from the support table (1) and transports it to the unloading platform (5).

9. A grinding method according to claim 8, characterized in that, The grinding method further includes: S0: Manually place the cart full of rims (6) on the loading platform (4), and place the empty cart on the unloading platform (5).

10. A grinding method according to claim 8, characterized in that, The grinding method further includes: S6: After the cart on the unloading platform (5) is full, manually push out the fully loaded cart.

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