Wheel chair hub shaft hole reaming device

Abstract

The utility model relates to the field of chambering devices, in particular to a wheelchair hub shaft hole chambering device which comprises a bearing plate and a hub body. A movable dust removal assembly is arranged at the upper end of the bearing plate. The hub body is placed on the inner wall of the containing groove, the lower portion of the side wall of the hub body is attached to the inner wall of the supporting block, then the electric cylinder is started to enable the clamping block to move towards the center of the supporting block, the hub body can be extruded and fixed to the inner wall of the supporting block, and stable positioning of the hub body is achieved; then the lifting reaming assembly is started to broach the center of the supporting block, after reaming is completed, the supporting block is placed on the movable dust removal assembly, the movable dust removal assembly is started to blow off dust attached to the side wall of the hub body, and the problem that in the prior art, when a wheelchair hub shaft hole reaming device is used for machining, the machining efficiency is high is solved. The problems that the hub is prone to deviation and vibration, the machining precision and the surface quality are affected, and surface impurities of the machined hub are inconvenient to blow away rapidly are solved.

Description

Technical Field

[0001] This utility model belongs to the field of hole enlarging devices, specifically relating to a hole enlarging device for wheelchair axle skin holes. Background Technology

[0002] With the continuous development of wheelchair technology and the increasing diversification of user needs, the comfort and durability of wheelchairs have become the focus of manufacturers. As one of the key components, the dimensional accuracy and surface quality of the wheelchair's axle skin and axle holes directly affect the wheelchair's turning flexibility, load-bearing capacity and service life.

[0003] In the wheelchair manufacturing process, the machining of the axle skin and axle hole is a critical step. Traditional machining methods often use processes such as drilling and reaming. However, in the existing wheelchair axle skin and axle hole enlarging devices, the axle skin is prone to deviation and vibration during machining, which affects the machining accuracy and surface quality. It is also inconvenient to quickly blow away surface impurities from the machined axle skin, which needs further improvement.

[0004] Therefore, a wheelchair axle skin hole enlargement device is proposed. During processing, the axle skin is less prone to deviation and vibration, which will not affect the processing accuracy and surface quality, and facilitates the quick removal of surface impurities from the processed axle skin. Utility Model Content

[0005] To overcome the problems of deviation and vibration of the wheelchair axle hole enlarging device during processing, which affects the processing accuracy and surface quality, and makes it inconvenient to quickly blow away surface impurities of the processed wheelchair axle, a wheelchair axle hole enlarging device is proposed.

[0006] The technical solution of this utility model is: a wheelchair axle hole enlargement device, including a bearing plate and an axle body; a movable dust removal component is provided at the upper end of the bearing plate, two vertical plates are fixedly connected to the upper end of the bearing plate, a bearing block is fixedly connected between the two vertical plates, a clamping mechanism is provided at the upper end of the bearing block, and a lifting enlargement component is fixedly connected to the upper end of the bearing plate, with the lifting enlargement component located in front of the clamping mechanism.

[0007] The clamping mechanism includes a support cylinder, a support block, a placement groove, a groove body, an electric cylinder, and a clamping block. The support cylinder is fixedly connected to the upper end of the support block, and the support block is fixedly connected to the upper end of the support cylinder. A placement groove is opened at the upper end of the support block. Three evenly distributed groove bodies are opened on the inner wall of the placement groove. A clamping block is slidably arranged on the inner wall of the groove body. Three evenly distributed electric cylinders are fixedly connected to the side wall of the support block. The electric cylinders correspond to the clamping blocks. The output shaft of the electric cylinder passes through the side wall of the support block and is fixedly connected to the end of the clamping block away from the center of the support block. The lower part of the side wall of the shaft body is in contact with the inner wall of the support block.

[0008] Preferably, the axle cover body is placed on the inner wall of the placement groove, so that the lower part of the side wall of the axle cover body fits against the inner wall of the support block. Then, the electric cylinder is activated to move the clamping block towards the center of the support block, which can squeeze and fix the axle cover body to the inner wall of the support block, achieving stable positioning of the axle cover body. Then, the lifting hole-expanding component is activated to expand the hole in the center of the support block. After the hole is expanded, it is placed on the mobile dust removal component. Activating the mobile dust removal component can blow off the dust adhering to the side wall of the axle cover body. This solves the problem that in the prior art wheelchair axle cover hole-expanding device, the axle cover is prone to deviation and vibration during processing, which affects the processing accuracy and surface quality, and it is inconvenient to quickly blow away surface impurities of the processed axle cover.

[0009] Preferably, the mobile dust removal assembly includes a bracket, a first linear module, a second linear module, a fixing block, through holes, a connecting frame, and an axial flow fan; the bracket is fixed to the upper left edge of the support plate, the first linear module is fixed to the right end of the bracket, the second linear module is fixed to the right end of the moving end of the first linear module, the fixing block is fixed to the right end of the moving end of the second linear module, through holes are opened at both the upper and lower ends of the fixing block, the connecting frame is fixed to the right end of the bracket, and the axial flow fan is fixed to the rear end of the connecting frame.

[0010] Preferably, four protective posts are fixed between the two upright plates, a second motor is fixed to the upper end of the bearing plate, and grinding rollers are rotatably installed through the left and right ends of the two upright plates. The right end of the output shaft of the second motor is fixed to the left end of the grinding roller.

[0011] Preferably, there is a gap between the lower end of the axial flow fan and the upper end of the fixed block, and the air outlet of the axial flow fan faces downward.

[0012] Preferably, the central axis of the axial flow fan and the central axis of the through hole are collinear, and the inner wall of the through hole is adapted to the upper outer wall of the shaft body.

[0013] Preferably, the lifting and expanding hole assembly includes a support, a third linear module, a mounting plate, a first motor, and an expanding hole cone rod; the upper end of the bearing plate is fixedly connected to the support, the rear end of the support is fixedly connected to the third linear module, the rear end of the moving end of the third linear module is fixedly connected to the mounting plate, the rear end of the mounting plate is fixedly connected to the first motor, and the lower end of the output shaft of the first motor is fixedly connected to the expanding hole cone rod.

[0014] Preferably, the central axis of the support cylinder and the central axis of the expanding cone rod are collinear, and the central axis of the shaft skin body and the central axis of the expanding cone rod are collinear.

[0015] The beneficial effects of this utility model are as follows: By placing the axle cover body on the inner wall of the placement groove, the lower part of the side wall of the axle cover body is made to fit against the inner wall of the support block. Then, the electric cylinder is activated to move the clamping block towards the center of the support block, which can squeeze and fix the axle cover body to the inner wall of the support block, thus achieving stable positioning of the axle cover body. Then, the lifting and expanding hole assembly is activated to expand the hole in the center of the support block. After the hole is expanded, it is placed on the mobile dust removal assembly. Activating the mobile dust removal assembly can blow off the dust adhering to the side wall of the axle cover body. This solves the problem in the prior art wheelchair axle cover hole expanding device that the axle cover is prone to deviation and vibration during processing, affecting the processing accuracy and surface quality, and making it inconvenient to quickly blow away surface impurities of the processed axle cover. Attached Figure Description

[0016] Figure 1 The diagram shown is a three-dimensional structural schematic of the wheelchair axle hole enlarging device of this utility model.

[0017] Figure 2 The diagram shown is a three-dimensional structural schematic of the mobile dust removal component of the wheelchair axle hole enlarging device of this utility model.

[0018] Figure 3 The diagram shows a three-dimensional structural schematic of the lifting and expanding component of the wheelchair axle hole expanding device of this utility model.

[0019] Figure 4 The device shown is a wheelchair axle hole enlarging device according to this utility model. Figure 3 A magnified three-dimensional structural diagram of a portion at point A in the middle;

[0020] Figure 5 The diagram shows a three-dimensional structure of the grinding roller in the wheelchair axle hole enlarging device of this utility model.

[0021] The labels in the attached diagram are as follows: 1. Bearing plate; 2. Mobile dust removal assembly; 201. Bracket; 202. First linear module; 203. Second linear module; 204. Fixing block; 205. Through hole; 206. Connecting frame; 207. Axial flow fan; 3. Vertical plate; 4. Bearing block; 5. Clamping mechanism; 501. Support cylinder; 502. Support block; 503. Placement groove; 504. Groove body; 505. Electric cylinder; 506. Clamping block; 6. Lifting and expanding hole assembly; 601. Support; 602. Third linear module; 603. Mounting plate; 604. First motor; 605. Expanding hole cone rod; 7. Second motor; 8. Shaft body; 9. Grinding roller; 10. Protective column. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0023] Please see Figure 1-Figure 5 This utility model provides an embodiment: a wheelchair axle hole enlarging device, including a support plate 1 and an axle body 8; a movable dust removal component 2 is provided at the upper end of the support plate 1, two upright plates 3 are fixedly connected to the upper end of the support plate 1, a support block 4 is fixedly connected between the two upright plates 3, a clamping mechanism 5 is provided at the upper end of the support block 4, and a lifting enlarging component 6 is fixedly connected to the upper end of the support plate 1, the lifting enlarging component 6 is located in front of the clamping mechanism 5;

[0024] The clamping mechanism 5 includes a support cylinder 501, a support block 502, a placement groove 503, a groove 504, an electric cylinder 505, and a clamping block 506. The upper end of the bearing block 4 is fixedly connected to the support cylinder 501, and the upper end of the support cylinder 501 is fixedly connected to the support block 502. The upper end of the support block 502 is provided with a placement groove 503. The inner wall of the placement groove 503 is provided with three evenly distributed grooves 504. The clamping block 506 is slidably arranged on the inner wall of the groove 504. The side wall of the support block 502 is fixedly connected to three evenly distributed electric cylinders 505. The electric cylinders 505 and the clamping blocks 506 correspond to each other. The output shaft of the electric cylinder 505 passes through the side wall of the support block 502 and is fixedly connected to the end of the clamping block 506 away from the center of the support block 502. The lower part of the side wall of the shaft body 8 is in contact with the inner wall of the support block 502.

[0025] In use, place the shaft cover body 8 on the inner wall of the placement groove 503, so that the lower part of the side wall of the shaft cover body 8 fits against the inner wall of the support block 502. Then, turn on the electric cylinder 505 to move the clamping block 506 towards the center of the support block 502, which can squeeze and fix the shaft cover body 8 to the inner wall of the support block 502, achieving stable positioning of the shaft cover body 8. Then, turn on the lifting and expanding hole assembly 6 to expand the center of the support block 502. After the hole is expanded, place it on the mobile dust removal assembly 2. Turn on the mobile dust removal assembly 2 to blow off the dust adhering to the side wall of the shaft cover body 8.

[0026] Please see Figure 1 and Figure 2In this embodiment, the mobile dust removal assembly 2 includes a bracket 201, a first linear module 202, a second linear module 203, a fixing block 204, a through hole 205, a connecting frame 206, and an axial flow fan 207. The bracket 201 is fixedly connected to the upper left edge of the support plate 1. The first linear module 202 is fixedly connected to the right end of the bracket 201. The second linear module 203 is fixedly connected to the right end of the moving end of the first linear module 202. The fixing block 204 is fixedly connected to the right end of the moving end of the second linear module 203. The upper part of the fixing block 204... Through holes 205 are provided at both ends of the bracket 201. A connecting frame 206 is fixed to the right end of the bracket 201. An axial flow fan 207 is fixed to the rear end of the connecting frame 206. The processed shaft body 8 is placed on the upper end of the fixed block 204. The first linear module 202 is activated to move the second linear module 203. The second linear module 203 is activated to move the fixed block 204 up and down, which can move the shaft body 8. This makes it easy to quickly move the shaft body 8 to the bottom of the axial flow fan 207 for dust removal.

[0027] Please see Figure 1 and Figure 5 In this embodiment, four protective posts 10 are fixed between the two upright plates 3, and a second motor 7 is fixed to the upper end of the bearing plate 1. Grinding rollers 9 are rotatably installed through the left and right ends of the two upright plates 3. The right end of the output shaft of the second motor 7 is fixed to the left end of the grinding roller 9. When it is necessary to grind the side wall of the shaft body 8, the second motor 7 is turned on to make the grinding roller 9 rotate. The shaft body 8 is held and its side wall is pressed against the side wall of the rotating grinding roller 9, so that the side wall of the shaft body 8 can be ground.

[0028] Please see Figure 1 and Figure 2 In this embodiment, there is a gap between the lower end of the axial flow fan 207 and the upper end of the fixing block 204. The air outlet of the axial flow fan 207 faces downward. The shaft skin body 8 with the enlarged hole is placed on the upper end of the fixing block 204. Then, the first linear module 202 and the second linear module 203 are turned on to move the fixing block 204 to below the axial flow fan 207. Turning on the axial flow fan 207 can generate a downward airflow to blow off the dust adhering to the shaft skin body 8.

[0029] Please see Figure 1 and Figure 2 In this embodiment, the central axis of the axial flow fan 207 and the central axis of the through hole 205 are collinear. The inner wall of the through hole 205 is adapted to the upper outer wall of the shaft skin body 8. The shaft skin body 8 can be placed upside down on the inner wall of the through hole 205, which is conducive to the stable placement of the shaft skin body 8.

[0030] Please see Figure 1 and Figure 3In this embodiment, the lifting and expanding hole assembly 6 includes a support 601, a third linear module 602, a mounting plate 603, a first motor 604, and an expanding hole cone 605. The support 601 is fixedly connected to the upper end of the bearing plate 1, the third linear module 602 is fixedly connected to the rear end of the support 601, the mounting plate 603 is fixedly connected to the rear end of the moving end of the third linear module 602, the first motor 604 is fixedly connected to the rear end of the mounting plate 603, and the expanding hole cone 605 is fixedly connected to the lower end of the output shaft of the first motor 604. When it is necessary to expand the hole of the shaft body 8, after fixing the shaft body 8, the third linear module 602 is turned on so that the moving end of the third linear module 602 drives the mounting plate 603 to move downward, and the first motor 604 is turned on so that the expanding hole cone 605 rotates. The expanding hole cone 605 in the rotating state can be used to expand the hole of the shaft body 8.

[0031] Please see Figure 1 , Figure 3 and Figure 4 In this embodiment, the central axis of the support cylinder 501 and the central axis of the expanding cone rod 605 are collinear, and the central axis of the shaft skin body 8 and the central axis of the expanding cone rod 605 are collinear. When the expanding cone rod 605 rotates, it can stably expand the shaft skin body 8.

[0032] Working principle: First, place the shaft body 8 on the inner wall of the placement groove 503 so that the lower part of the side wall of the shaft body 8 fits against the inner wall of the support block 502. Then, turn on the electric cylinder 505 to move the clamping block 506 toward the center of the support block 502, which can press and fix the shaft body 8 to the inner wall of the support block 502.

[0033] When it is necessary to enlarge the hole of the shaft body 8, after fixing the shaft body 8, the third linear module 602 is turned on so that the moving end of the third linear module 602 drives the mounting plate 603 to move downward. The first motor 604 is turned on so that the enlarging cone rod 605 rotates. The enlarging cone rod 605 in the rotating state can be used to enlarge the hole of the shaft body 8.

[0034] Next, the processed shaft body 8 is placed on the upper end of the fixing block 204. The first linear module 202 is activated to move the second linear module 203. The second linear module 203 is activated to move the fixing block 204 up and down, which can move the shaft body 8. This makes it easy to quickly move the shaft body 8 to the bottom of the axial flow fan 207 for dust removal.

[0035] When it is necessary to polish the side wall of the shaft body 8, turn on the second motor 7 to make the polishing roller 9 rotate, hold the shaft body 8 and put its side wall against the side wall of the rotating polishing roller 9 to polish the side wall of the shaft body 8.

[0036] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the purpose of the present invention.

Claims

1. A wheelchair axle cover hole enlarging device, comprising a bearing plate (1) and an axle cover body (8); characterized in that: A movable dust removal component (2) is provided at the upper end of the bearing plate (1). Two vertical plates (3) are fixedly connected to the upper end of the bearing plate (1). A bearing block (4) is fixedly connected between the two vertical plates (3). A clamping mechanism (5) is provided at the upper end of the bearing block (4). A lifting and expanding hole component (6) is fixedly connected to the upper end of the bearing plate (1). The lifting and expanding hole component (6) is located in front of the clamping mechanism (5). The clamping mechanism (5) includes a support cylinder (501), a support block (502), a placement groove (503), a groove body (504), an electric cylinder (505), and a clamping block (506); the upper end of the bearing block (4) is fixedly connected to the support cylinder (501), the upper end of the support cylinder (501) is fixedly connected to the support block (502), the upper end of the support block (502) is provided with a placement groove (503), and the inner wall of the placement groove (503) is provided with three evenly distributed groove bodies (504). The inner wall of the groove (504) is slidably provided with a clamping block (506), and the side wall of the support block (502) is fixed with three evenly distributed electric cylinders (505). The electric cylinders (505) correspond to the clamping blocks (506). The output shaft of the electric cylinder (505) passes through the side wall of the support block (502) and is fixed to the end of the clamping block (506) away from the center of the support block (502). The lower part of the side wall of the shaft body (8) is in contact with the inner wall of the support block (502).

2. The wheelchair axle skin hole enlarging device according to claim 1, characterized in that: The mobile dust removal assembly (2) includes a bracket (201), a first linear module (202), a second linear module (203), a fixing block (204), a through hole (205), a connecting frame (206), and an axial flow fan (207). The bracket (201) is fixed to the upper left edge of the support plate (1), the first linear module (202) is fixed to the right end of the bracket (201), the second linear module (203) is fixed to the right end of the moving end of the first linear module (202), the fixing block (204) is fixed to the right end of the moving end of the second linear module (203), the through hole (205) is opened through the upper and lower ends of the fixing block (204), the connecting frame (206) is fixed to the right end of the bracket (201), and the axial flow fan (207) is fixed to the rear end of the connecting frame (206).

3. The wheelchair axle skin hole enlarging device according to claim 1, characterized in that: Four protective posts (10) are fixed between the two upright plates (3). A second motor (7) is fixed to the upper end of the bearing plate (1). Grinding rollers (9) are installed through the left and right ends of the two upright plates (3). The right end of the output shaft of the second motor (7) is fixed to the left end of the grinding roller (9).

4. The wheelchair axle skin hole enlarging device according to claim 2, characterized in that: There is a gap between the lower end of the axial flow fan (207) and the upper end of the fixed block (204), and the air outlet of the axial flow fan (207) faces downward.

5. The wheelchair axle skin hole enlarging device according to claim 2, characterized in that: The central axis of the axial flow fan (207) and the central axis of the through hole (205) are collinear, and the inner wall of the through hole (205) is adapted to the upper outer wall of the shaft skin body (8).

6. The wheelchair axle skin hole enlarging device according to claim 1, characterized in that: The lifting and expanding hole assembly (6) includes a support (601), a third linear module (602), a mounting plate (603), a first motor (604), and an expanding hole cone rod (605). The support (601) is fixedly connected to the upper end of the bearing plate (1), the third linear module (602) is fixedly connected to the rear end of the support (601), the mounting plate (603) is fixedly connected to the rear end of the moving end of the third linear module (602), the first motor (604) is fixedly connected to the rear end of the mounting plate (603), and the expanding hole cone rod (605) is fixedly connected to the lower end of the output shaft of the first motor (604).

7. The wheelchair axle skin hole enlarging device according to claim 6, characterized in that: The central axis of the support cylinder (501) and the central axis of the expanding cone rod (605) are collinear, and the central axis of the shaft skin body (8) and the central axis of the expanding cone rod (605) are collinear.

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