Spoke outer circle turning device

Abstract

The utility model provides a spoke outer circle turning device. The spoke outer circle turning device comprises a mounting frame; the rotating unit comprises a rotating seat and a rotating driving mechanism used for controlling the rotating seat to rotate, and a rotating shaft used for placing a spoke semi-finished product is arranged in the middle of the rotating seat; the sliding table unit comprises a sliding table and a sliding table driving mechanism which are arranged in the mounting frame; the turning tool unit comprises a turning tool assembly and a turning tool driving mechanism; the sliding table driving mechanism controls the sliding table to move in cooperation with the turning tool driving mechanism to control the turning tool assembly to move, and therefore the semi-finished spoke on the rotating base is turned. After the sliding table driving mechanism controls the sliding table to move and is matched with the turning tool driving mechanism to control the turning tool assembly to move, the semi-finished spoke on the rotating seat is turned, so that the size precision shape of the manufactured spoke outer ring can be trimmed, the spoke is matched with the corresponding rim inner ring, and the machining efficiency is improved. The risk of rim tearing failure is reduced, and the driving safety of the electric vehicle is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle wheel hub manufacturing, in particular to a wheel spoke outer circle device. Background Art

[0002] With the increase in product demand and the development of related technologies, composite electric vehicle hubs have emerged, which are beautiful overall, cheaper than traditional all-aluminum hubs, and have better edge strength. There are currently a variety of processes for manufacturing composite hubs, one of which is to use steel strips to manufacture the rim, use aluminum alloy molten liquid casting to form spokes with pre-embedded inserts, and then weld the rim and spokes through the inserts. The main advantage of this manufacturing process is that the manufacturing of the rim and the manufacturing of the spokes are no longer dependent on each other, and the two can be manufactured separately and simultaneously, which can greatly improve the production efficiency of the composite hub.

[0003] Figure 4 It is a stereogram of an existing semi-finished wheel spoke.

[0004] However, during the die-casting process, high-temperature aluminum liquid needs to be injected into the mold to form the spokes through die-casting, and then the formed spokes are spray-cooled after the mold is opened. Therefore, such aluminum alloy spokes will expand and contract during die-casting and cooling. In addition, since the thermal expansion and contraction coefficient of aluminum materials is relatively large (greater than steel and other materials), the dimensional accuracy of the manufactured spoke outer ring has a certain deviation, and the shape of the spoke cannot meet the use requirements, such as Figure 4 As shown. This causes the spokes to not fully fit the corresponding inner ring of the rim. When such a hub is under pressure, due to the size difference between the inner ring of the rim and the outer ring of the spokes, the rim is at risk of tearing and failure, which affects the driving safety of the electric vehicle, so it has limitations. Utility Model Content

[0005] The utility model is developed to solve the above problems and aims to provide a wheel spoke outer circle device.

[0006] The utility model provides a wheel spoke outer circle turning device, which is used for turning a wheel spoke semi-finished product, wherein the middle part of the wheel spoke semi-finished product in the surface direction has a through center hole, and has the following characteristics: a mounting frame, which has a lateral opening; a rotating unit, which includes a rotating seat and a rotating driving mechanism for controlling the rotation of the rotating seat, wherein the rotating seat and the rotating driving mechanism are both arranged in the mounting frame and are arranged close to one end of the mounting frame, and the middle part of the rotating seat has a rotating shaft for placing the wheel spoke semi-finished product; a slide unit, which includes a slide and a slide driving mechanism arranged in the mounting frame, wherein the slide A plurality of guide grooves are provided on the table wall along its length direction, and the slide driving mechanism controls the slide to move toward the rotating seat, or toward the direction away from the rotating seat; and a turning tool unit, including a turning tool assembly and a turning tool driving mechanism, the turning tool assembly is arranged on the slide, and the turning tool driving mechanism controls the turning tool assembly to move along the direction of the guide groove and toward the rotating seat, or along the direction of the guide groove and toward the direction away from the rotating seat; wherein, after the slide driving mechanism controls the movement of the slide and cooperates with the turning tool driving mechanism to control the movement of the turning tool assembly, the spoke semi-finished product on the rotating seat is turned.

[0007] In the spoke outer circle turning device provided by the utility model, it can also have the following characteristics: the turning tool assembly includes a turning tool mounting seat and a turning tool, the turning tool mounting seat is in the shape of a square block, and two mutually parallel guide protrusions are provided at the bottom of the turning tool mounting seat. The shape of the guide protrusions matches the shape of the guide groove, so that they can be slidably embedded in the guide groove, and square mounting grooves are respectively provided on both sides of the turning tool mounting seat. The blade of the turning tool is in the shape of a rectangular parallelepiped, so that it can be embedded in the mounting groove, and the tip of the turning tool is wedge-shaped and protrudes outward from one side of the turning tool seat.

[0008] Furthermore, the cross section of the guide protrusion is a T-shaped straight strip protrusion.

[0009] Furthermore, the cross section of the guide groove is in an inverted T shape, and the width of the bottom of the guide groove is greater than the width of the groove center and the groove opening.

[0010] The spoke wheel outer circle device provided by the utility model can also have the following characteristics: the guide groove is in the shape of a straight strip, and a plurality of guide grooves are parallel to each other.

[0011] The spoke outer circle turning device provided by the utility model can also have the following feature: the rotating shaft on the rotating seat is interference fit with the center hole on the spoke semi-finished product.

[0012] The spoke outer circle turning device provided by the utility model can also have the following feature: the extending direction of the rotating shaft on the rotating seat is perpendicular to the extending direction of the guide groove on the slide table.

[0013] The spoke wheel outer circle device provided by the utility model can also have the following feature: a slidable sliding window is provided on the mounting frame, and the sliding window is used to open or close the opening.

[0014] The spoke wheel outer circle device provided by the utility model can also have the following characteristics: a sensor starter and stopper for sensing the opening or closing of the opening is provided on the mounting frame.

[0015] The sensor starter and stopper controls the start and stop of the rotary drive mechanism, the slide drive mechanism and the tool drive mechanism through an open switch.

[0016] The spoke outer circle device provided by the utility model can also have such features, and also includes: an automatic assembly unit, which is arranged outside the mounting frame and is used to place the spoke semi-finished product on the rotating seat, or remove the spoke semi-finished product from the rotating seat.

[0017] Functions and effects of utility models

[0018] According to the wheel spoke outer circle turning device involved in the utility model, since the rotating seat can place the semi-finished wheel spokes, and the rotating drive mechanism can control the rotating seat to rotate, that is, drive the semi-finished wheel spokes to rotate, and the slide drive mechanism controls the movement of the slide to cooperate with the tool drive mechanism to control the movement of the tool assembly, thereby turning the semi-finished wheel spokes on the rotating seat, the dimensional accuracy and shape of the manufactured spoke outer ring can be trimmed, so that the spokes are adapted to the corresponding inner ring of the rim, reducing the risk of tearing failure of the rim, thereby improving the driving safety of the electric vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the spoke car outer circle device in the embodiment of the utility model;

[0020] Figure 2 yes Figure 1 Enlarged view of the part inside the middle circle A;

[0021] Figure 3 It is a three-dimensional diagram of a turning tool assembly in a spoke outer circle turning device in an embodiment of the utility model;

[0022] Figure 4 It is a stereogram of an existing semi-finished wheel spoke.

[0023] Description of reference numerals:

[0024] 100. Wheel spoke outer circle turning device; 10. Mounting frame; 20. Sliding window; 30. Rotating unit; 31. Rotating seat; 40. Slide unit; 41. Turning tool slide; 411. Guide groove; 42. Slide driving mechanism; 50. Turning tool unit; 51. Turning tool assembly; 511. Turning tool mounting seat; 5111. Guide protrusion; 512. Turning tool; 5121. Tool tip; 60. Automatic assembly unit; 200. Wheel spoke semi-finished product. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is specifically described in the following embodiments in conjunction with the accompanying drawings.

[0026] Example

[0027] Figure 1 This is a three-dimensional diagram of the spoke wheel outer circle device of the utility model. Figure 2 yes Figure 1 Enlarged view of the part within the middle circle A.

[0028] like Figure 1 and Figure 2 As shown, this embodiment provides a spoke outer circle turning device 100 for turning a spoke semi-finished product 200, the middle part of the spoke semi-finished product 200 in the surface direction has a through center hole, including: a mounting frame 10, a sliding window 20, a rotating unit 30, a slide unit 40, a turning tool unit 50 and an automatic assembly unit 60.

[0029] like Figure 1 and Figure 2 As shown, the mounting frame 10 has a lateral opening for accommodating the rotating unit 30, the slide unit 40 and the turning tool unit 50. In this embodiment, the mounting frame 10 has a semi-enclosed space surrounded by two side plates, a bottom plate and a top plate, so that when turning the spoke semi-finished product 200, the influence of the external environment on the turning process can be reduced, thereby improving the stability of the present invention during operation.

[0030] like Figure 1 and Figure 2 As shown, a sliding window 20 is slidably provided on the mounting frame 10, and the sliding window 20 is used to open or close the opening. In this embodiment, a sensor starter and stopper is provided on the mounting frame 10 for sensing the opening or closing of the opening, and the sensor starter and stopper controls the start and stop of the rotation drive mechanism, the slide drive mechanism 42, and the tool drive mechanism 52 through the switch of the opening. Specifically, when the sliding window 20 slides to the closed position, the sensor starter and stopper will be triggered to work, so that the sensor starter and stopper starts to start the rotation drive mechanism, the slide drive mechanism 42, and the tool drive mechanism 52. When the sliding window 20 slides to the open and closed position, the sensor starter and stopper will be triggered to stop working, so that the sensor starter and stopper will turn off the rotation drive mechanism, the slide drive mechanism 42, and the tool drive mechanism 52.

[0031] like Figure 1 and Figure 2 As shown, the rotating unit 30 includes a rotating seat 31 and a rotating driving mechanism for driving the rotating seat 31 to rotate. The rotating seat 31 and the rotating driving mechanism are both arranged in the mounting frame 10 and are arranged close to one end of the mounting frame 10. The middle part of the rotating seat 31 has a rotating shaft for placing the spoke semi-finished product 200.

[0032] In this embodiment, the rotating shaft on the rotating seat 31 is interference fit with the center hole on the spoke semi-finished product 200, and the extending direction of the rotating shaft on the rotating seat 31 is perpendicular to the extending direction of the guide groove 411 on the slide. Therefore, when in use, the rotating drive mechanism controls the rotating seat 31 to rotate, and the rotating shaft therein drives the spoke semi-finished product 200 to rotate synchronously.

[0033] like Figure 1 and Figure 2 As shown, the slide unit 40 includes a slide and a slide drive mechanism 42 disposed inside the mounting frame 10. A plurality of guide grooves 411 are disposed on the wall of the slide along its length direction. The slide drive mechanism 42 controls the slide to move toward the rotating seat 31 or away from the rotating seat 31. Two guide rails are disposed opposite to each other in the mounting frame 10. The two guide rails are arranged along the extension direction of the rotating shaft. The slide is slidably disposed on the two guide rails in a long strip shape and is connected to the lead screw of the slide drive mechanism 42.

[0034] In this embodiment, the cross section of the guide groove 411 is inverted T-shaped, and the width of the bottom of the guide groove 411 is greater than the width of the groove center and the groove opening. In addition, the guide groove 411 is straight, and the plurality of guide grooves 411 are parallel to each other.

[0035] like Figure 1 and Figure 2 As shown, the tool unit 50 includes a tool assembly 51 and a tool drive mechanism 52. The tool assembly 51 is arranged on a slide. The tool drive mechanism 52 controls the tool assembly 51 to move along the direction of the guide groove 411 and in a direction close to the rotating seat 31, or along the direction of the guide groove 411 and in a direction away from the rotating seat 31.

[0036] Figure 3 It is a stereoscopic view of the turning tool assembly 51 in the wheel spoke outer circle turning device 100 of the present invention.

[0037] like Figure 3 As shown, the turning tool assembly 51 includes a turning tool mounting seat 511 and a turning tool 512. The turning tool mounting seat 511 is in the shape of a square block. Two parallel guide protrusions 5111 are provided at the bottom of the turning tool mounting seat 511. The shape of the guide protrusion 5111 matches the shape of the guide groove 411, so that it can be slidably embedded in the guide groove 411. Square mounting grooves are respectively provided on both sides of the turning tool mounting seat 511. The blade of the turning tool 512 is in the shape of a rectangular parallelepiped, so that it is embedded in the mounting groove. The blade tip 5121 of the turning tool 512 is wedge-shaped and protrudes outward from one side of the turning tool 512 seat.

[0038] In this embodiment, the cross section of the guide protrusion 5111 is a T-shaped straight strip protrusion, so as to match the shape of the guide groove 411, thereby ensuring that the turning tool 512 seat can be slidably arranged on the slide.

[0039] like Figure 1 and Figure 2 As shown, the automatic assembly unit 60 is arranged outside the mounting frame 10, and is used to place the spoke semi-finished product 200 on the rotating seat 31, or remove the spoke semi-finished product 200 from the rotating seat 31. In this embodiment, the automatic assembly unit 60 is preferably a robot arm, so that the robot arm can grab the spoke semi-finished product 200 after trimming, put it into the mounting frame 10, and make its center hole fit on the rotating shaft of the rotating seat 31. After the spoke outer circle turning device 100 of the present invention completes the outer circle turning operation, the robot arm can similarly remove the spoke semi-finished product 200 on the rotating seat 31 and take it out of the spoke outer circle turning device of the present invention.

[0040] In this embodiment, when the spoke outer circle turning device 100 of the utility model turns the spoke semi-finished product, the rotation speed of the spoke semi-finished product 200 is 1800r / min, the turning speed of the turning tool 512 is 700mm / min, and the aluminum alloy layer with a thickness of 40 wires is roughly turned off at the end of each spoke of the spoke semi-finished product 200, and the time used for the outer circle turning process is about 12s.

[0041] Functions and Effects of the Embodiments

[0042] According to the spoke outer circle turning device involved in this embodiment, since the rotating seat can place the spoke semi-finished product, and the rotating drive mechanism can control the rotating seat to rotate, that is, drive the spoke semi-finished product to rotate, and the slide drive mechanism controls the movement of the slide to cooperate with the tool drive mechanism to control the movement of the tool assembly, so as to turn the spoke semi-finished product on the rotating seat, the dimensional accuracy and shape of the manufactured spoke outer ring can be trimmed, so that the spoke is adapted to the corresponding rim inner ring, reducing the risk of tearing failure of the rim, thereby improving the driving safety of the electric vehicle.

[0043] Furthermore, because the rotating shaft on the rotating seat in the spoke turning outer circle device involved in this embodiment has an interference fit with the center hole on the spoke semi-finished product, and the extension direction of the rotating shaft on the rotating seat is perpendicular to the extension direction of the guide groove on the slide, when in use, the rotating drive mechanism controls the rotation of the rotating seat, and the rotating shaft therein drives the spoke semi-finished product to rotate synchronously.

[0044] Furthermore, because the cross-section of the guide groove in the spoke turning device involved in this embodiment is in an inverted T-shape, the width of the bottom of the guide groove is greater than the width of the groove and the groove mouth, and the cross-section of the guide protrusion is a T-shaped straight strip protrusion, it matches the shape of the guide groove, thereby ensuring that the turning tool seat can be slidably set on the slide.

[0045] Furthermore, because the mounting frame in the spoke turning device involved in this embodiment has a closed space surrounded by two side plates, a bottom plate and a top plate, it is possible to reduce the impact of the external environment on the turning process when turning the spoke semi-finished products, thereby improving the stability of the utility model during operation.

[0046] Furthermore, because the mounting frame of the spoke turning device involved in this embodiment is provided with a sensor starter and stopper for sensing the opening or closing of the opening, the sensor starter and stopper controls the start and stop of the rotary drive mechanism, the slide drive mechanism and the turning tool drive mechanism through the switch of the opening. Therefore, when the sliding window slides to the closed position, the sensor starter and stopper will be triggered to work, so that the sensor starter and stopper starts to start the rotary drive mechanism, the slide drive mechanism and the turning tool drive mechanism; when the sliding window slides to the open and closed position, the sensor starter and stopper will be triggered to stop working, so that the sensor starter and stopper will shut down the rotary drive mechanism, the slide drive mechanism and the turning tool drive mechanism.

[0047] Furthermore, because the slide drive mechanism in the spoke outer circle turning device involved in the present embodiment controls the slide to move toward the rotating seat, or toward the direction away from the rotating seat, and the turning tool drive mechanism controls the turning tool assembly to move along the direction of the guide groove and toward the rotating seat, or along the direction of the guide groove and away from the rotating seat, and the rotating drive mechanism controls the rotation of the rotating seat to drive the spoke semi-finished product to rotate synchronously, the spoke semi-finished product can be turned, thereby ensuring the practicality of the present utility model.

[0048] Furthermore, because the robotic arm in the spoke outer circle turning device involved in the present embodiment can place the fully cooled spoke semi-finished products into the spoke outer circle turning device, and after the opening of the spoke outer circle turning device on its mounting frame is closed, the turning tool drive mechanism and the slide drive mechanism will drive the turning tool to move along the horizontal guide rail close to the outer circle of the spoke semi-finished product for turning, the outer circle turning process can be completed fully automatically, and the surrounding production environment and production personnel can be protected.

[0049] Furthermore, because the rotation speed of the spoke semi-finished product in the spoke outer circle turning device involved in this embodiment is 1800r / min, the turning force of the turning tool 352 is 700mm / min, and the aluminum alloy layer with a thickness of 40 wires is roughly turned off at the end of each spoke of the spoke semi-finished product, the time used for the outer circle turning process is about 12s. Therefore, the outer circle turning process can be completed quickly and efficiently without causing damage to the spoke semi-finished product.

[0050] The above implementation modes are preferred examples of the present invention and are not intended to limit the protection scope of the present invention.

Claims

1. A wheel spoke turning device for turning a spoke semi-finished product, wherein the spoke semi-finished product has a through center hole in the middle of the surface direction, characterized in that: include: A mounting frame having a lateral opening; A rotating unit, comprising a rotating seat and a rotating drive mechanism for controlling the rotation of the rotating seat, wherein the rotating seat and the rotating drive mechanism are both arranged in the mounting frame and are arranged close to one end of the mounting frame, and the middle part of the rotating seat has a rotating shaft for placing the spoke semi-finished product; A slide unit, comprising a slide and a slide drive mechanism arranged inside the mounting frame, wherein a plurality of guide grooves are arranged on the wall of the slide along its length direction, and the slide drive mechanism controls the slide to move toward the rotating seat or away from the rotating seat; as well as A turning tool unit, comprising a turning tool assembly and a turning tool driving mechanism, wherein the turning tool assembly is arranged on the slide, and the turning tool driving mechanism controls the turning tool assembly to move along the direction of the guide groove and in a direction close to the rotating seat, or along the direction of the guide groove and in a direction away from the rotating seat; The slide drive mechanism controls the movement of the slide and cooperates with the turning tool drive mechanism to control the movement of the turning tool assembly, thereby turning the spoke semi-finished product on the rotating seat.

2. The wheel spoke outer circle device according to claim 1, characterized in that: in, The turning tool assembly comprises a turning tool mounting seat and a turning tool. The tool mounting seat is in a square block shape, and two mutually parallel guide protrusions are provided at the bottom of the tool mounting seat. The shape of the guide protrusion matches the shape of the guide groove, so that the guide protrusion can be slidably embedded in the guide groove. Square mounting grooves are respectively provided on both sides of the tool mounting seat. The blade of the turning tool is in a rectangular parallelepiped shape, so as to be embedded in the mounting groove. The blade tip of the turning tool is in a wedge shape, protruding outward from one side of the turning tool mounting seat.

3. The wheel spoke outer circle device according to claim 2, characterized in that: in, The cross section of the guide protrusion is a T-shaped straight strip protrusion.

4. The wheel spoke outer circle device according to claim 2, characterized in that: in, The cross section of the guide groove is in an inverted T shape, and the width of the groove bottom of the guide groove is greater than the width of the groove center and the groove opening.

5. The wheel spoke outer circle device according to claim 1, characterized in that: in, The guide grooves are in a straight strip shape, and a plurality of the guide grooves are parallel to each other.

6. The wheel spoke outer circle device according to claim 1, characterized in that: in, The rotating shaft on the rotating seat is interference-fitted with the center hole on the spoke semi-finished product.

7. The wheel spoke outer circle device according to claim 1, characterized in that: in, The extending direction of the rotating shaft on the rotating seat is perpendicular to the extending direction of the guiding groove on the sliding platform.

8. The wheel spoke outer circle device according to claim 1, characterized in that: in, A slidable sliding window is provided on the mounting frame, and the sliding window is used to open or close the opening.

9. The wheel spoke outer circle device according to claim 1, characterized in that: in, The mounting frame is provided with a sensor starter and stopper for sensing the opening or closing of the opening. The sensor starter and stopper controls the start and stop of the rotation drive mechanism, the slide drive mechanism and the tool drive mechanism through the switch of the opening.

10. The spoke wheel outer circle device according to any one of claims 1 to 9, characterized in that: Also includes: The automatic assembly unit is arranged outside the mounting frame and is used for placing the spoke semi-finished product on the rotating seat or removing the spoke semi-finished product from the rotating seat.

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