Grinding tool

Abstract

The utility model relates to a coping tool in the technical field of hub assembly production equipment, which comprises a support, the support is a concentric-square-shaped frame, two parallel rotating shafts are arranged on the concentric-square-shaped frame, the horizontal distance between the two rotating shafts can be adjusted, the two rotating shafts are parallel to a group of opposite sides of the concentric-square-shaped frame, two ends of the two rotating shafts are respectively connected with a bearing seat, and the bearing seats are connected with the support. The bearing seat is arranged on the concentric-square-shaped frame, supporting wheels are fixed to one ends of the two rotating shafts, limiting wheels are fixed to the other ends of the two rotating shafts, a circle of limiting protruding ring is fixed to each limiting wheel, one ends of the two rotating shafts penetrate through the bearing seat and then are connected with driven wheels, the two driven wheels are connected through a belt, and the belt is further matched with a tensioning wheel. The tensioning wheel is connected with a stepping motor. According to the rim grinding device, rims of different sizes can be borne and limited, the rims can be driven to rotate, the rims cannot move around along the rotating shaft in the rotating process, and the grinding efficiency and the grinding effect are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of wheel hub assembly production equipment, and in particular relates to a grinding tool. Background Art

[0002] The rim is a component that mounts and supports the tire on the wheel. One end of the rim is provided with a concave ring that matches the spokes. The rim and the spokes form a wheel. The rim needs to be ground during production to ensure the quality of subsequent processing. In the prior art, when grinding the rim, most people rotate the rim manually, which is labor-intensive and inefficient. If ordinary rollers are used to rotate the rim, there are problems such as the rim running around on the rollers, affecting the grinding quality. Therefore, a grinding tool is needed to solve the above technical problems. Utility Model Content

[0003] To solve the above defects in the prior art, the utility model provides a grinding tool, including a bracket, the bracket is a circular bracket, and vertical columns are fixed at the four corners of the circular bracket;

[0004] The circular frame is provided with two parallel rotating shafts, and the horizontal distance between the two rotating shafts is adjustable. The two rotating shafts are parallel to a group of opposite sides of the circular frame, and the two ends of the two rotating shafts are respectively connected to bearing seats, and the bearing seats are arranged on the circular frame. One end of the two rotating shafts is fixed with a supporting wheel, and the other end of the two rotating shafts is fixed with a limiting wheel, and a circle of limiting convex ring is fixed on the limiting wheel. One end of the two rotating shafts passes through the bearing seat and is connected to a driven wheel, and the two driven wheels are connected by a belt, and the belt is also matched with a tensioning wheel, and the tensioning wheel is connected to a stepping motor, and the driven wheel and the tensioning wheel are both pulleys matched with the belt. The stepping motor is fixed to the supporting frame, and the bottom of the supporting frame is connected with a vertical telescopic rod. The rim to be ground is placed on two rotating shafts, and the two supporting wheels are located below one end of the rim to play a supporting role. The limiting convex rings on the two limiting wheels are clamped in the concave ring at the other end of the rim to play a supporting and limiting role. When the rotating shaft rotates, the rim is driven to rotate under the action of friction force to prevent the rim from moving along the axial direction of the rotating shaft during rotation, thereby improving the stability of the rim during rotation during the grinding process and facilitating grinding.

[0005] Preferably, the bearing seats connected at both ends of one of the rotating shafts are fixed on the circular frame, and the bottom of the bearing seats connected at both ends of the other rotating shaft is fixedly connected with a slider, and the circular frame corresponding to the two sliders is provided with a matching slide, and the slide is perpendicular to the rotating shaft. The two sliders are slidably arranged in the corresponding slide and are threadedly connected with a screw, and the two ends of the two screws are rotatably connected with the two ends of the corresponding slide through bearings, and one end of the two screws is fixedly connected with a transmission gear after passing through the corresponding slide, and the two transmission gears are connected by a transmission chain, and one of the screws is connected with a forward and reverse motor, and the forward and reverse motor is fixed on the circular frame. Through the forward and reverse rotation of the forward and reverse motor, one of the rotating shafts is driven to move back and forth along the screw direction, thereby adjusting the distance between the two rotating shafts, so that it can effectively support and drive rims of different sizes. As the distance between the two rotating shafts changes, the vertical telescopic rod drives the stepping motor and the tensioning wheel connected to it to move up and down, ensuring that the belt is in a reasonable tension state when the stepping motor rotates, and can drive the two rotating shafts to rotate effectively and synchronously.

[0006] Preferably, the vertical telescopic rod is an electric push rod or a hydraulic rod.

[0007] Preferably, vertical guide grooves are provided on the corresponding columns at both ends of the support frame, and the two ends of the support frame are slidably arranged in the guide grooves. This arrangement can guide the support frame moving up and down, thereby improving the stability during movement.

[0008] Preferably, the two support wheels are detachably connected to the corresponding rotating shafts by bolts. The distance between the support wheel and the limiting wheel can be reasonably adjusted according to the size of the rim to ensure the bearing and limiting effect of the rotating shaft on the rim.

[0009] The utility model also includes other components that enable a grinding tool to be used normally, such as a control component of a forward and reverse motor, a control component of an electric push rod, a control component of a hydraulic rod, a control component of a stepper motor, etc., which are all commonly used equipment in the field and are conventional technical means in the field. In addition, the devices or components not limited in the utility model, such as an electric push rod, a hydraulic rod, a driven wheel, a belt, a transmission gear, a transmission chain, etc., all adopt conventional technical means and conventional equipment in the field.

[0010] Working principle: According to the size of the rim to be ground, reasonably adjust the distance between the two rotating shafts, and at the same time reasonably adjust the distance between the supporting wheel and the limiting wheel, and place the rim to be ground on the two rotating shafts. At this time, the two supporting wheels are located below one end of the rim to play a supporting role, and the limiting convex rings on the two limiting wheels are clamped in the concave ring at the other end of the rim to play a supporting and limiting role. The stepper motor rotates, driving the two rotating shafts to rotate synchronously, and the rim is driven to rotate under the action of friction, and the worker can grind the rim.

[0011] The beneficial effects of the utility model include: load limiting for rims of different sizes, and driving the rims to rotate; during the rotation process, the rims will not move around along the rotating shaft, thereby improving the grinding efficiency and grinding effect, having a wide range of applications and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 It is a structural schematic diagram of a grinding tool in an embodiment of the utility model;

[0014] Figure 2 for Figure 1 Top view of the .

[0015] In the figure: 1. circular frame; 2. rotating shaft; 3. supporting wheel; 4. limiting wheel; 5. limiting convex ring; 6. rim; 7. driven wheel; 8. tensioning wheel; 9. belt; 10. stepping motor; 11. slide groove; 12. screw rod; 13. forward and reverse motor; 14. transmission chain; 15. bearing seat; 16. slider; 17. supporting frame; 18. vertical telescopic rod; 19. guide groove; 20. column. DETAILED DESCRIPTION

[0016] The present invention is described in detail below in conjunction with the drawings and specific embodiments in the embodiments of the present invention. The description here is only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative work, any modifications, equivalent replacements, improvements, etc., should be included in the protection scope of the present invention.

[0017] Example

[0018] like Figure 1-2 As shown, the utility model provides a grinding tool, including a bracket, the bracket is a circular frame 1, and vertical columns 20 are fixed at the four corners of the circular frame 1;

[0019] The circular frame 1 is provided with two parallel rotating shafts 2, and the horizontal distance between the two rotating shafts 2 is adjustable. The two rotating shafts 2 are parallel to a set of opposite sides of the circular frame 1, and the two ends of the two rotating shafts 2 are respectively connected with bearing seats 15, and the bearing seats 15 are arranged on the circular frame 1. One end of the two rotating shafts 2 is fixed with a supporting wheel 3, and the other end of the two rotating shafts 2 is fixed with a limiting wheel 4, and a circle of limiting convex ring 5 is fixed on the limiting wheel 4. One end of the two rotating shafts 2 passes through the bearing seat 15 and is connected with a driven wheel 7. The two driven wheels 7 are connected by a belt 9, and the belt 9 is also equipped with a tensioning wheel 8. The tensioning wheel 8 is connected with a stepping motor 10, and the stepping motor 10 is fixed on a supporting frame 17. The bottom of the supporting frame 17 is connected with a vertical telescopic rod 18. The driven wheel and the tensioning wheel are both pulleys that cooperate with the belt. The rim 6 to be ground is placed on the two rotating shafts 2. The two supporting wheels 3 are located below one end of the rim 6 to play a supporting role. The limiting convex rings on the two limiting wheels 4 are clamped in the concave ring at the other end of the rim 6 to play a supporting and limiting role. When the rotating shaft 2 rotates, the rim 6 is driven to rotate under the action of friction force, and the rim 6 is prevented from moving along the axial direction of the rotating shaft 2 when rotating, which improves the stability of the rim 6 when rotating during the grinding process and is beneficial to the grinding.

[0020] The bearing seats 15 connected at both ends of one of the rotating shafts 2 are fixed on the circular frame 1, and the bottom of the bearing seats 15 connected at both ends of the other rotating shaft 2 are fixedly connected with sliders 16. The circular frame 1 corresponding to the two sliders 16 is provided with matching slides 11, and the slides 11 are perpendicular to the rotating shaft 2. The two sliders 16 are slidably arranged in the corresponding slides 11 and are threadedly connected with screws 12. The two ends of the two screws 12 are rotatably connected to the two ends of the corresponding slides 11 through bearings. After one end of the two screws 12 passes through the corresponding slides 11, they are fixedly connected with transmission gears. The two transmission gears are connected by a transmission chain 14. One of the screws 12 is connected to a forward and reverse motor 13, and the forward and reverse motor 13 is fixed on the circular frame 1. Through the forward and reverse rotation of the forward and reverse motor 13, one of the rotating shafts 2 is driven to move back and forth along the direction of the screw 12, thereby adjusting the distance between the two rotating shafts 2, so that it can effectively support and drive rims 6 of different sizes. As the distance between the two rotating shafts 2 changes, the vertical telescopic rod 18 drives the stepper motor 10 and the tensioning wheel 8 connected thereto to move up and down, ensuring that the belt 9 is in a reasonable tension state when the stepper motor 10 rotates, thereby driving the two rotating shafts 2 to rotate effectively and synchronously.

[0021] The vertical telescopic rod 18 is an electric push rod or a hydraulic rod.

[0022] The columns 20 corresponding to the two ends of the support frame 17 are provided with vertical guide grooves 19, and the two ends of the support frame 17 are slidably arranged in the guide grooves 19. This arrangement can guide the support frame 17 moving up and down, and improve the stability during movement.

[0023] The two support wheels 3 are detachably connected to the corresponding rotating shaft 2 by bolts. The distance between the support wheel 3 and the limiting wheel 4 can be reasonably adjusted according to the size of the rim 6 to ensure the bearing and limiting effect of the rotating shaft 2 on the rim 6.

[0024] When working, first adjust the distance between the two rotating shafts 2 reasonably according to the size of the rim 6 to be ground, and at the same time reasonably adjust the distance between the supporting wheel 3 and the limiting wheel 4, and place the rim 6 to be ground on the two rotating shafts 2. At this time, the two supporting wheels 3 are located below one end of the rim 6 to play a supporting role, and the limiting convex rings on the two limiting wheels 4 are clamped in the concave ring at the other end of the rim 6 to play a supporting and limiting role. The stepper motor 10 rotates, driving the two rotating shafts 2 to rotate synchronously, and driving the rim 6 to rotate under the action of friction, and the worker can perform the grinding operation on the rim 6.

[0025] The embodiments of the present invention have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A grinding tool, comprising a bracket, characterized in that: The bracket is a circular frame, and vertical columns are fixed at the four corners of the circular frame; The circular frame is provided with two parallel rotating shafts, the horizontal distance between the two rotating shafts is adjustable, the two rotating shafts are parallel to a set of opposite sides of the circular frame, the two ends of the two rotating shafts are respectively connected with bearing seats, the bearing seats are arranged on the circular frame, one end of the two rotating shafts is fixed with a supporting wheel, the other end of the two rotating shafts is fixed with a limiting wheel, a circle of limiting convex ring is fixed on the limiting wheel, one end of the two rotating shafts passes through the bearing seat and is connected with a driven wheel, the two driven wheels are connected by a belt, the belt is also equipped with a tensioning wheel, the tensioning wheel is connected with a stepping motor, the stepping motor is fixed on the supporting frame, and the bottom of the supporting frame is connected with a vertical telescopic rod.

2. A grinding tool according to claim 1, characterized in that: The bearing seats connected at both ends of one of the rotating shafts are fixed on the circular frame, and the bottoms of the bearing seats connected at both ends of the other rotating shaft are fixedly connected with sliders. The circular frame corresponding to the two sliders is provided with matching slide grooves, and the slide grooves are perpendicular to the rotating shafts. The two sliders are slidably set in the corresponding slide grooves and are threadedly connected with screws. The two ends of the two screws are rotatably connected to the two ends of the corresponding slide grooves through bearings. One end of the two screws passes through the corresponding slide grooves and is fixedly connected with transmission gears. The two transmission gears are connected by a transmission chain, and one of the screws is connected to a forward and reverse motor, and the forward and reverse motor is fixed on the circular frame.

3. A grinding tool according to claim 1, characterized in that: The vertical telescopic rod is an electric push rod or a hydraulic rod.

4. A grinding tool according to claim 1, characterized in that: Vertical guide grooves are provided on the corresponding columns at both ends of the support frame, and the two ends of the support frame are slidably arranged in the guide grooves.

5. The grinding tool according to claim 1, characterized in that: The two support wheels are detachably connected to the corresponding rotating shafts via bolts.

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