A rim grinding device and a grinding method

Abstract

The present application relates to the technical field of bicycle manufacturing, and particularly relates to a rim grinding device and a grinding method. The support table is used for supporting the rim, the first mechanical arm and the second mechanical arm are respectively arranged on the two sides of the support table, the feeding platform and the discharging platform are respectively arranged on the two sides of the support table, the first mechanical arm can move the rim on the feeding platform to the support table, the first mechanical arm can grind from the outer ring of the rim to the inner ring of the rim, the second mechanical arm can move the rim on the support table to the discharging platform, and the second mechanical arm can grind from the inner ring of the rim to the outer ring of the rim. The device alternately grinds through the first mechanical arm and the second mechanical arm, so that the two sides of the rim are evenly ground, and the grinding quality is improved; the first mechanical arm can move the ungrounded rim from the feeding platform to the support table, the second mechanical arm can move the ground rim from the support table to the discharging platform, the automation of the grinding work is realized, and the grinding efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of bicycle manufacturing technology, and in particular to a wheel rim grinding device and grinding method. Background Technology

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

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

[0004] The purpose of this invention is to provide a wheel rim grinding device and grinding method that can improve grinding efficiency and enhance grinding quality.

[0005] To achieve this objective, the present invention adopts the following technical solution:

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

[0007] As a preferred technical solution of the above-mentioned wheel rim grinding device, the wheel rim grinding device and grinding method further include a clamping component and a lifting component. The lifting component is disposed on the support platform, the lifting component is throttle-connected to the clamping component, and the lifting component can drive the clamping component to abut or separate from the wheel rim.

[0008] As a preferred technical solution of the aforementioned wheel rim grinding device, the lifting assembly includes a first bracket, a cylinder, a movable component, and a guide rod. The first bracket is disposed on the support platform, the cylinder is disposed on the first bracket, the output end of the cylinder passes through the first bracket and is connected to the movable component, 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 component, the guide rod is capable of moving along the length direction of the guide hole, and the pressing assembly is disposed on the movable component.

[0009] As a preferred technical solution of the above-mentioned wheel rim grinding device, the clamping assembly includes a first driving member and a driving wheel. The first driving member is disposed on the moving member, and the driving wheel is rotatably disposed on the bottom wall of the moving member. The first driving member is connected to the driving wheel through a transmission, and the first driving member can drive the driving wheel to rotate. The wheel rim grinding device and grinding method also include a plurality of support wheels. The plurality of support wheels are spaced apart and rotatably disposed on the support platform. The center lines of the plurality of support wheels are arc-shaped, and the plurality of support wheels and the driving wheel can all abut against the outer ring of the wheel rim.

[0010] As a preferred embodiment of the aforementioned wheel rim grinding device, both the first robotic arm and the second robotic arm include a robotic hand, a grinding head, and a clamp. The grinding head and the clamp are spaced apart from each other on the robotic hand. The grinding head is used to grind the wheel rim, and the clamp is used to hold the wheel rim.

[0011] As a preferred technical solution of the above-mentioned wheel rim grinding device, the wheel rim grinding device and grinding method further include a mounting plate, the mounting plate being connected to the robot arm, and the grinding head and the clamp being respectively connected to both ends of the mounting plate.

[0012] As a preferred technical solution of the above-mentioned wheel rim grinding device, the clamp 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 throttle-connected to the movable clamp and can drive the movable clamp to move closer to or away from the fixed clamp.

[0013] A grinding method, employing the wheel rim grinding apparatus of any of the above preferred technical solutions, the grinding method comprising:

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

[0015] S2: After the gripping is completed, the wheel rim is moved to the support platform;

[0016] S3: After fixing the wheel rim, both the first robotic arm and the second robotic arm move to the grinding waiting position of the support table;

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

[0018] S5: After grinding is completed, the second robotic arm removes the wheel rim from the support platform 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 placing the material cart filled with the wheel rims onto the loading platform, and placing the empty material cart onto the unloading platform.

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

[0021] Beneficial effects of this invention:

[0022] This invention provides a wheel rim grinding device. The wheel rim grinding device and method include: a support platform, a first robotic arm, a second robotic arm, a loading platform, and a unloading platform. The support platform supports the wheel rim. The first and second robotic arms are respectively disposed on both sides of the support platform. The loading and unloading platforms are also disposed on both sides of the support platform and are used to store wheel rims. The first robotic arm can move the wheel rim from the loading platform to the support platform and can grind from the outer rim to the inner rim. The second robotic arm can move the wheel rim from the support platform to the unloading platform and can grind from the inner rim to the outer rim. This device, through the alternating grinding of the first and second robotic arms, ensures uniform grinding on both sides of the wheel rim, improving grinding quality. Simultaneously, the first robotic arm can transfer unground wheel rims from the loading platform to the support platform, and the second robotic arm can transfer ground wheel rims from the support platform to the unloading platform, automating the grinding process and improving grinding efficiency. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of the present invention and these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the wheel rim grinding device and grinding method provided in an embodiment of the present invention;

[0025] Figure 2 This is a schematic diagram of the structure of the clamping assembly and the lifting assembly provided in an embodiment of the present invention;

[0026] Figure 3 A schematic diagram of the structure of the first robotic arm provided in an embodiment of the present invention.

[0027] In the picture:

[0028] 1. Support platform; 2. First robotic arm; 201. Robotic hand; 202. Grinding head; 203. Fixture; 2031. Fixed clamp; 2032. Moving clamp; 2033. Third drive component; 3. Second robotic arm; 4. Loading platform; 5. Unloading platform; 6. Wheel rim; 7. First bracket; 8. Cylinder; 9. Moving component; 10. Guide rod; 11. First drive component; 12. Drive wheel; 13. Support wheel; 14. Mounting plate; 15. Guide component; 16. Limiting component. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and not intended to limit it. Furthermore, it should be noted that, for ease of description, the accompanying drawings show only the parts relevant to the present invention, and not all of the structures.

[0030] In the description of this invention, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0031] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0032] In the description of this embodiment, the terms "upper," "lower," "left," and "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. In addition, the terms "first" and "second" are used only for distinction in description and have no special meaning.

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

[0034] Specifically, the support platform 1 supports the wheel rim 6. The first robotic arm 2 and the second robotic arm 3 are respectively positioned on both sides of the support platform 1. The loading platform 4 and the unloading platform 5 are also positioned on both sides of the support platform 1, and both platforms are used to store the wheel rim 6. The first robotic arm 2 can move the wheel rim 6 from the loading platform 4 to the support platform 1, and can grind from the outer rim of the wheel rim 6 to its inner rim. The second robotic arm 3 can move the wheel rim 6 from the support platform 1 to the unloading platform 5, and can grind from the inner rim of the wheel rim 6 to its outer rim. This device, through the alternating grinding of the first robotic arm 2 and the second robotic arm 3, ensures uniform grinding on both sides of the wheel rim 6, improving grinding quality. Simultaneously, the first robotic arm 2 can transfer unground wheel rim 6 from the loading platform 4 to the support platform 1, and the second robotic arm 3 can transfer ground wheel rim 6 from the support platform 1 to the unloading platform 5, thus automating the grinding process and improving grinding efficiency.

[0035] Optionally, the wheel rim grinding device further includes a clamping component and a lifting component. The lifting component is disposed on the support platform 1 and is connected to the clamping component. The lifting component can drive the clamping component to abut or separate from the wheel rim 6 to fix the wheel rim 6 and prevent the wheel rim 6 from shifting.

[0036] Furthermore, 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 mounted on the support platform 1, and the cylinder 8 is mounted on the first bracket 7. The output end of the cylinder 8 passes through the first bracket 7 and connects to the moving part 9. The first bracket 7 is provided with a guide hole, and one end of the guide rod 10 passes through the guide hole and connects to the moving part 9. The guide rod 10 can move along the guide hole. A pressing assembly is mounted 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, and the output end of the cylinder 8 passes through the top plate of the first bracket 7 and connects to the moving part 9. The top plate of the first bracket 7 is provided with a guide hole, and 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] Furthermore, the lifting assembly is equipped with four guide rods 10 and two limiting members 16. The first bracket 7 is equipped with four guide holes, which correspond one-to-one with the four guide rods 10. One end of each of the four guide rods 10 is connected to the four corners of the moving part 9, which can improve the stability of the moving part 9. The other ends of the two guide rods 10 at both ends of the moving part 9 are connected to the limiting members 16, which can abut against the top plate of the first bracket 7 to prevent the moving part 9 from descending too far.

[0038] Optionally, the wheel rim grinding device also includes four guide members 15, which are arranged one-to-one with four guide holes. Each guide member 15 is provided with a through hole, which is directly opposite to the guide hole. The limiting member 16 can abut against the guide member 15.

[0039] Optionally, the clamping assembly includes a first driving member 11 and a drive wheel 12. The first driving member 11 is disposed on the movable member 9, and the drive wheel 12 is rotatably disposed on the bottom wall of the movable member 9. The first driving member 11 is connected to the drive wheel 12 in a transmission manner, and the first driving member 11 can drive the drive wheel 12 to rotate. The wheel rim grinding device also includes several support wheels 13. The several support wheels 13 are spaced apart and rotatably disposed on the support platform 1. The center lines of the several support wheels 13 are arc-shaped, and the several support wheels 13 and the drive wheel 12 can all abut against the outer ring of the wheel rim 6. Specifically, the clamping assembly is provided with two drive wheels 12 and two support wheels 13. The two drive wheels 12 are rotatably disposed on the movable member 9, and the two support wheels 13 are rotatably disposed on the support platform 1. The two drive wheels 12 and the two support wheels 13 cooperate to position the wheel rim 6. The two drive wheels 12 are connected by a pulley assembly. The first driving member 11 drives the pulley assembly to move, and the two drive wheels 12 drive the wheel rim 6 to rotate, so that the wheel rim 6 is ground evenly.

[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 clamp 203. The grinding head 202 and the clamp 203 are spaced apart from the robotic hand 201. The grinding head 202 is used to grind the wheel rim 6, and the clamp 203 is used to hold the wheel rim 6. Specifically, the grinding head 202 and the clamp 203 are detachably connected to the robotic hand 201, facilitating the replacement of the grinding head 202 and the clamp 203.

[0041] Optionally, the wheel rim grinding device also includes a mounting plate 14, which is connected to the robot arm 201. The grinding head 202 and the clamp 203 are respectively connected to the two ends of the mounting plate 14, which can improve the stability of the grinding head 202 and the clamp 203.

[0042] Optionally, the clamp 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 kinetically connected to the movable clamp 2032, and can drive the movable clamp 2032 to move closer to or away from the fixed clamp 2031. Specifically, the fixed clamp 2031 is provided with a groove, into which the inner ring of the wheel rim 6 can be inserted, improving the clamping strength of the clamp 203 on the wheel rim 6 and preventing the wheel rim 6 from falling off.

[0043] The present invention also provides a grinding method, using the grinding apparatus in the above embodiments, the grinding method comprising:

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

[0045] S2: After the gripping is completed, move wheel rim 6 to support platform 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 platform 1 and transports it to the unloading platform 5.

[0049] Optionally, the grinding method also includes: S0: manually placing the carts filled with wheel rims 6 onto the loading platform 4, and placing the empty carts onto the unloading platform 5.

[0050] Optionally, the grinding method also includes: S6: After the material carts on the unloading platform 5 are full, the fully loaded material carts are manually pushed out.

[0051] Furthermore, the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection 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, and may include many other equivalent embodiments without departing from the concept of the present invention, the scope of which is determined by the scope of the appended claims.

Claims

1. A wheel rim grinding device, characterized in that, include: The support platform (1), the first robotic arm (2), the second robotic arm (3), the loading platform (4), and the unloading platform (5) are provided. The support platform (1) is used to support the wheel rim (6). The first robotic arm (2) and the second robotic arm (3) are respectively located on both sides of the support platform (1). The loading platform (4) and the unloading platform (5) are respectively located on both sides of the support platform (1). 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). 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). 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). Both the first robotic arm (2) and the second robotic arm (3) include a robotic hand (201), a grinding head (202), and a clamp (203). The grinding head (202) and the clamp (203) are spaced apart from the robotic hand (201). The grinding head (202) is used to grind the wheel rim (6), and the clamp (203) is used to hold the wheel rim (6). The wheel rim grinding device also includes a mounting plate (14), which is connected to the robot (201). The grinding head (202) and the clamp (203) are respectively connected to both ends of the mounting plate (14). The clamp (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 connected to the movable clamp (2032) in a transmission manner, and the third driving member (2033) can drive the movable clamp (2032) to move closer to or away from the fixed clamp (2031).

2. The wheel rim grinding device according to claim 1, characterized in that, The wheel rim grinding device further includes a pressing component and a lifting component. The lifting component is disposed on the support platform (1). The lifting component is connected to the pressing component in a transmission manner, and the lifting component can drive the pressing component to abut or separate from the wheel rim (6).

3. The wheel rim grinding device according to claim 2, characterized in that, 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 disposed on the support platform (1). The cylinder (8) is disposed 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. The pressing assembly is disposed on the moving part (9).

4. The wheel rim grinding device according to claim 3, characterized in that, The clamping assembly includes a first driving member (11) and a drive wheel (12). The first driving member (11) is disposed on the moving member (9). The drive wheel (12) is rotatably disposed on the bottom wall of the moving member (9). The first driving member (11) is connected to the drive wheel (12) in a transmission manner, and the first driving member (11) can drive the drive wheel (12) to rotate. The wheel rim grinding device also includes a plurality of support wheels (13). The plurality of support wheels (13) are spaced apart and rotatably disposed on the support platform (1). The center lines of the plurality of support wheels (13) are arc-shaped. The plurality of support wheels (13) and the drive wheel (12) can all abut against the outer ring of the wheel rim (6).

5. A grinding method, characterized in that, The grinding method, using the grinding apparatus as described in any one of claims 1-4, comprises: S1: The first robotic arm (2) moves to the loading platform (4) and grabs the wheel rim (6) to be ground; S2: After the gripping is completed, the wheel rim (6) is moved to the support platform (1); S3: After fixing the wheel rim (6), the first robotic arm (2) and the second robotic arm (3) both 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 wheel rim (6) from the support table (1) and transports it to the unloading platform (5).

6. The grinding method according to claim 5, characterized in that, The grinding method further includes: S0: manually placing the cart filled with the wheel rims (6) onto the loading platform (4), and placing the unloaded cart onto the unloading platform (5).

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

Images