Simple quick-release coaxial transmission mechanism

Abstract

The utility model discloses a simple quick-release coaxial transmission mechanism which comprises a main shaft, a driven shaft, a brush and a support, one side of the main shaft is connected with a motor through a main shaft bearing, a limiting hole is formed in the other side of the main shaft, and a clamping groove is formed in the circumferential direction of the limiting hole; a limiting column is arranged on one side of the driven shaft, a clamping table is arranged in the circumferential direction of the limiting column, the limiting column can be inserted into the limiting hole, the clamping table can be clamped into the clamping groove, and the other side of the driven shaft is connected with a driven shaft bearing; the brush can be fixed to the driven shaft so that the brush can rotate along with rotation of the driven shaft. The supports comprise back plates, side plates and cover plates, grooves are formed in the back plates, the side plates are fixed to the tops of the grooves, the cover plates are fixed to the two ends of the back plates, the grooves are used for containing the bearing pedestals, via holes are formed in the grooves, the driven shafts penetrate through the via holes to be connected with the main shafts in a clamped mode, and the main shaft bearings and the driven shaft bearings are connected with the supports through the bearing pedestals respectively. The whole support is detachable, the actual operation space of special equipment can be met, the size of the support can be improved, and transmission mechanisms suitable for various kinds of special equipment can be manufactured.

Description

Technical Field

[0001] The utility model belongs to the technical field of transmission mechanisms, and particularly relates to a simple quick-release coaxial transmission mechanism. Background Art

[0002] Coaxial transmission technology is a transmission technology that is most widely used in mechanical transmission and power systems. It is usually composed of a group of main shafts and driven shafts, wherein the main shaft is the equipment shaft rotating along the same axis, and the driven shaft is the shaft used to transmit energy or drive the device. The power is mainly transmitted between them through a coupling or a spline shaft. In the prior art, a brush is set on a coaxial transmission mechanism to rotate the brush to complete the process of rotating the brush auxiliary material. Because the brush is a consumable, it needs to be replaced after being worn to a specified amount during use. However, the following situations exist in special equipment. For example, the equipment space is too small to install the corresponding transmission mechanism or the equipment has no manual operation space. At this time, there is no transmission mechanism that can meet the small space of the special equipment or there is not enough operating space when disassembling the brush. During disassembly and assembly, it is necessary to purchase auxiliary parts and tighten other auxiliary locking devices, which makes the production cost of the coupling high, the structure complex, and inconvenient to use. Utility Model Content

[0003] In order to overcome the shortcomings of the prior art, the purpose of the utility model is to provide a simple quick-release coaxial transmission mechanism, which not only does not require the purchase of external parts and the tightening of other auxiliary locking devices during disassembly and assembly, but also has a simple structure and low cost, and can be well adapted to the narrow space of special equipment.

[0004] In order to solve the above problems, the technical solution adopted by the utility model is as follows: a simple quick-release coaxial transmission mechanism, comprising:

[0005] A main shaft, one side of which is connected to the motor, and the other side of which is provided with a limiting hole, and a clamping groove is provided in the circumference of the limiting hole;

[0006] A driven shaft, one side of the driven shaft is provided with a limiting column, a clamping platform is provided around the limiting column, the limiting column can be inserted into the limiting hole, the clamping platform can be clamped into the clamping groove, and the other side of the driven shaft is connected to the driven shaft bearing;

[0007] a brush, the brush being fixable to the driven shaft so that the brush can rotate along with the rotation of the driven shaft; and

[0008] The bracket comprises a back plate, a side plate and a cover plate, the back plate is provided with a groove, the side plate is fixed to the top of the groove, the cover plate is fixed to both ends of the back plate, the groove is used to place the bearing seat, the groove is provided with a through hole, the driven shaft passes through the through hole and is clamped with the main shaft, the main shaft bearing and the driven shaft bearing are respectively connected to the bracket through the bearing seat, and the two brackets form a group.

[0009] Compared with the prior art, the beneficial effects of the utility model are: a card slot is provided on the main shaft, a card platform is provided on the driven shaft, the driven shaft can pass through the bracket and be clamped with the main shaft, the back plate, side plate and cover plate of the bracket are all removable, the bearing seat is fixed on the bracket, the main shaft and the driven shaft are connected to the bearing seat, when the brush needs to be replaced, only the fastening screws on the bearing seat need to be removed, and the brush can be replaced after the driven shaft is pulled out. It is not only easy to operate, but also does not require the assistance of purchased parts for disassembly. More importantly, the entire bracket is detachable, which can meet the actual operating space of special equipment and the size of the bracket can be improved to make a transmission mechanism suitable for various special equipment.

[0010] The transmission mechanism mentioned above also includes a fixing plate, the two groups of brackets are fixed to the back plate, and a water inlet is provided on the back plate.

[0011] In the above-mentioned transmission mechanism, the back plate is provided with a first fixing hole, and the first fixing member passes through the first fixing hole to fix the side plate to the end surface of the back plate.

[0012] In the above-mentioned transmission mechanism, the inner side wall of the groove is provided with a second fixing hole, and the second fixing member passes through the second fixing hole to fix the bearing seat to the groove.

[0013] In the above-mentioned transmission mechanism, a limit block is provided above the back plate, and the cover plate and the bearing seat are fixed by tightening the screws passing through the limit block.

[0014] In the above-mentioned transmission mechanism, there are at least two grooves on the bracket, and the outer wall surfaces of the two brushes are in contact with each other.

[0015] In the above-mentioned transmission mechanism, a connecting groove is provided on the driving shaft of the motor, the driving shaft passes through the bearing seat and the driving shaft is connected to a side key of the main shaft.

[0016] In the above-mentioned transmission mechanism, the main shaft bearing and the driven shaft bearing are both provided with screw holes, and screws pass through the bearing seat to fix the main shaft bearing and the driven shaft bearing to the bearing seat.

[0017] The transmission mechanism mentioned above has a partition between the two grooves, a spring hole is provided at the bottom of the bearing seat, and the spring is located between the spring hole and the partition.

[0018] In the above-mentioned transmission mechanism, the brush is sleeved on the driven shaft, and headless screw holes are provided at both ends of the brush, and the headless screws are fixed to the driven shaft through the headless screw holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic diagram of a single coaxial transmission mechanism according to an embodiment of the utility model;

[0020] Figure 2 This is a schematic diagram of the disconnection of the main shaft and the driven shaft in an embodiment of the utility model;

[0021] Figure 3 This is a schematic diagram of the connection between the main shaft and the driven shaft of an embodiment of the utility model;

[0022] Figure 4 This is a schematic diagram of the back plate structure of an embodiment of the utility model;

[0023] Figure 5 This is a schematic diagram of the motor structure of an embodiment of the utility model;

[0024] Figure 6 This is a schematic diagram of the bearing seat structure of an embodiment of the utility model;

[0025] Figure 7 A schematic diagram of a group of coaxial transmission mechanisms according to an embodiment of the utility model;

[0026] Explanation of the accompanying figures: 100 main shaft, 110 limiting hole, 111 card slot, 120 main shaft bearing, 200 driven shaft, 210 limiting column, 211 card table, 220 driven shaft bearing, 300 brush, 310 headless screw hole, 400 bracket, 410 back plate, 420 side plate, 430 cover plate, 431 limiting block, 432 tightening screw, 411 groove, 412 through hole, 500 bearing seat, 510 spring hole, 520 fixing groove, 600 fixing plate, 610 water inlet, 413 first fixing hole, 414 second fixing hole, 415 partition, 700 motor, 710 driving shaft, 800 screw hole. DETAILED DESCRIPTION

[0027] The embodiments of the present invention are described in detail below. Figures 1 to 7The embodiment of the utility model provides a simple quick-release coaxial transmission mechanism, including: a main shaft 100, a driven shaft 200, a brush 300 and a bracket 400. One side of the main shaft 100 is connected to the motor 700 through a main shaft bearing 120. A limiting hole 110 is provided on the other side of the main shaft 100, and a clamping groove 111 is provided in the circumferential direction of the limiting hole 110; a limiting column 210 is provided on one side of the driven shaft 200, and a clamping platform 211 is provided in the circumferential direction of the limiting column 210. The limiting column 210 can be plugged into the limiting hole 110, and the clamping platform 211 can be clamped in the clamping groove 111. The other side of the driven shaft 200 is connected to the driven shaft bearing 220; The brush 300 can be fixed to the driven shaft 200 so that the brush 300 can rotate with the rotation of the driven shaft 200; the bracket 400 includes a back plate 410, a side plate 420 and a cover plate 430, the back plate 410 is provided with a groove 411, the side plate 420 is fixed to the top of the groove 411, and the cover plate 430 is fixed to both ends of the back plate 410, the groove 411 is used to place the bearing seat 500, and the groove 411 is provided with a through hole 412, the driven shaft 200 passes through the through hole 412 and is clamped with the main shaft 100, the main shaft bearing 120 and the driven shaft bearing 220 are respectively connected to the bracket 400 through the bearing seat 500, and the two brackets 400 are a group, refer to Figure 2 and Figure 3 The main shaft 100 is provided with a slot 111, and the driven shaft 200 is provided with a clamping table 211. The driven shaft 200 can pass through the bracket 400 and be clamped with the main shaft 100. Figure 1 The back plate 410, the side plate 420 and the cover plate 430 of the bracket 400 are all removable, the bearing seat 500 is fixed on the bracket 400, and the main shaft 100 and the driven shaft 200 are connected to the bearing seat 500. When the brush 300 needs to be replaced, it is only necessary to remove the fastening screws on the bearing seat 500, and then pull out the driven shaft 200 to replace the brush 300. It is not only easy to operate, but also does not require the assistance of purchased parts for disassembly. More importantly, the entire bracket 400 is detachable, which can meet the actual operating space of special equipment and the size of the bracket 400 can be improved to make a transmission mechanism suitable for various special equipment.

[0028] Of course, the present application does not limit the specific type of the motor 700, nor does it limit the specific connection method between the motor 700 drive shaft 710 and the spindle 100. Preferably, refer to Figure 5A connecting groove 720 is provided on the driving shaft 710 of the motor 700, and the driving shaft 710 of the motor 700 passes through the bearing seat 500 and is connected to a side key of the main shaft 100. The bracket 400 is used to fix the main shaft bearing 120 and the driven shaft bearing 220. There are at least two grooves 411 on the bracket 400, and the bearing seat 500 is fixed in the groove 411. The bearing seat 500 is used to fix the main shaft bearing 120 and the driven shaft bearing 220. Of course, the utility model does not limit the specific connection method between the main shaft bearing 120 and the driven shaft bearing 220 and the bearing seat 500. Preferably, the main shaft bearing 120 and the driven shaft bearing 220 are both provided with screw holes 800, the screws pass through the bearing seat 500 to fix the main shaft bearing 120 and the driven shaft bearing 220 to the bearing seat 500, the driven shaft bearing 220 is connected to the driven shaft 200, the brush 300 is sleeved on the driven shaft 200, and headless screw holes 310 are provided at both ends of the brush 300. The headless screws are fixed to the driven shaft 200 through the headless screw holes 310. The headless screws are used to radially lock the brush 300 and limit the axial position. When the brush 300 needs to be replaced, it is only necessary to loosen the fastening screws of the bearing seat 500, and then pull the driven shaft 200 to the right. At this time, the main shaft 100 and the driven shaft 200 are disconnected at the butt joint. Refer to Figure 2 After the brush 300 is pulled outward to a certain distance, it can be taken out from the left side of the driven shaft 200 and a new brush 300 can be pushed in from the driven shaft 200 to the left again and docked in place on the main shaft 100. Figure 3 , and then tighten the fastening screws of the bearing seat 500 to complete the replacement of the brush 300.

[0029] Furthermore, the coaxial transmission mechanism mentioned in the present application does not limit the specific number of the brackets 400. Preferably, refer to Figure 7 , there are four brackets 400, and two brackets 400 form a group. Furthermore, the transmission mechanism mentioned in the present application also includes a fixed plate 600, and a back plate 410 is used to support and fix the bracket 400 of the rotating mechanism. A water inlet 610 is opened on the back plate 410, and the water inlet 610 is used to connect the pipeline. When the brush 300 of the transmission mechanism rotates relative to the workpiece under the drive of the motor 700, a series of debris and powder will be generated. The water inlet 610 is used for water to flow into the transmission mechanism, and timely flushing of the debris on the brush 300 and the workpiece can also physically cool the contact position between the workpiece and the brush 300. Furthermore, a first fixing hole 413 is provided on the back plate 410, and the first fixing member passes through the first fixing hole 413 to fix the side plate 420 to the end face of the back plate 410, and the side plate 420 is used to further fix the bearing seat 500 to prevent the bearing seat 500 from moving in the front and rear directions. Of course, the present application does not limit the specific number and position of the first fixing holes 413. Preferably, the first fixing holes 413 are arranged on both side edges of the back plate 410, and the number of the first fixing holes 413 on the left and right sides is the same.

[0030] Further, refer to Figure 4 , the inner wall of the groove 411 is provided with a second fixing hole 414, and the second fixing member passes through the second fixing hole 414 to fix the bearing seat 500 to the groove 411. Of course, the present application does not limit the number and specific position of the second fixing holes 414. Preferably, the second fixing hole 414 is a screw hole that passes through the inner wall of the groove 411. The second fixing member passes through the second fixing hole 414 to fix the bearing seat 500 in the back plate 410. Of course, the present application does not limit the specific type of the second fixing member. Preferably, the second fixing member is a fastening screw. Further, refer to Figure 1 A stop block 431 is provided above the back plate 410, and the cover plate 430 is fixed to the bearing seat 500 by tightening the screw 432 through the stop block 431. The stop block 431 is used to limit the cover plate 430 to prevent the cover plate 430 from moving up and down after the cover plate 430 is connected to the back plate 410. The tightening screw 432 can pass through the cover plate 430 and fix the cover plate 430 to the bearing seat 500. Furthermore, a partition plate 415 is provided between the two grooves 411. Figure 6 , a spring hole 510 is provided at the bottom of the bearing seat 500, referring to Figure 1 and Figure 6 The spring is located between the spring hole 510 and the partition 415. When the screw 432 is tightened downward to fix the cover plate 430 to the back plate 410, as the screw 432 is rotated downward, the bearing seat 500 moves downward under the action of the spring, so that the maximum extrusion pressure is reached between the bearing seat 500 and the partition 415. At this time, the tightening screw 432 can press the limit block 431, and the cover plate 430 is fixed to the back plate 410 under the action of the tightening screw 432 and the limit block 431.

[0031] It should be noted that in the description of the present invention, if there are any orientation descriptions, such as up, down, front, back, left, right, etc., the orientations or positional relationships indicated are all based on the orientations or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed or operated in a specific orientation, and cannot be understood as a limitation on the present invention.

[0032] In the description of the present utility model, the meaning of "several" is one or more of a simple quick-release coaxial transmission mechanism, the meaning of "more" is two or more, "greater than", "less than", "exceed" etc. are understood as not including the number, and "above", "below", "within" etc. are understood as including the number. If there is a description of the first simple quick-release coaxial transmission mechanism or the second, it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0033] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0034] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A simple quick-release coaxial transmission mechanism, characterized in that: include: A main shaft (100), one side of the main shaft (100) is connected to the motor (700) via a main shaft bearing (120), a limiting hole (110) is provided on the other side of the main shaft (100), and a clamping groove (111) is provided in the circumferential direction of the limiting hole (110); A driven shaft (200), wherein a limiting column is provided on one side of the driven shaft (200), a clamping platform (211) is provided in the circumferential direction of the limiting column (210), the limiting column (210) can be inserted into the limiting hole (110), the clamping platform (211) can be clamped into the clamping groove (111), and the other side of the driven shaft (200) is connected to a driven shaft bearing (220); A brush (300), wherein the brush (300) can be fixed to the driven shaft (200) so that the brush (300) can rotate along with the rotation of the driven shaft (200); and A bracket (400), the bracket (400) comprising a back plate (410), a side plate (420) and a cover plate (430), the back plate (410) being provided with a groove (411), the side plate (420) being fixed to the top of the groove (411), the cover plate (430) being fixed to both ends of the back plate (410), the groove (411) being used to place a bearing seat (500), the groove (411) being provided with a through hole (412), the driven shaft (200) passing through the through hole (412) to be clamped with the main shaft (100), the main shaft bearing (120) and the driven shaft bearing (220) being respectively connected to the bracket (400) through the bearing seat (500), and the two brackets (400) forming a group.

2. The transmission mechanism according to claim 1, characterized in that: It also includes a fixing plate (600), and the two groups of brackets (400) are fixed to the back plate (410). The back plate (410) is provided with a water inlet (610).

3. The transmission mechanism according to claim 1, characterized in that: The back plate (410) is provided with a first fixing hole (413), and a first fixing member passes through the first fixing hole (413) to fix the side plate (420) to the end surface of the back plate (410).

4. The transmission mechanism according to claim 1, characterized in that: The inner side wall of the groove (411) is provided with a second fixing hole (414), and a second fixing member passes through the second fixing hole (414) to fix the bearing seat (500) to the groove (411).

5. The transmission mechanism according to claim 1, characterized in that: A limit block (431) is provided above the back plate (410), and a screw (432) is tightened through the limit block (431) to fix the cover plate (430) and the bearing seat (500).

6. The transmission mechanism according to claim 1, characterized in that: There are at least two grooves (411) on the bracket (400), and the outer wall surfaces of the two brushes (300) are in contact with each other.

7. The transmission mechanism according to claim 1, characterized in that: A connecting groove (720) is provided on the driving shaft (710) of the motor (700); the driving shaft (710) passes through the bearing seat (500) and is key-connected to a side of the main shaft (100).

8. The transmission mechanism according to claim 1, characterized in that: The main shaft bearing (120) and the driven shaft bearing (220) are both provided with screw holes (800), and screws pass through the bearing seat (500) to fix the main shaft bearing (120) and the driven shaft bearing (220) to the bearing seat (500).

9. The transmission mechanism according to claim 1, characterized in that: A partition (415) is provided between the two grooves (411), a spring hole (510) is provided at the bottom of the bearing seat (500), and the spring is located between the spring hole (510) and the partition (415).

10. The transmission mechanism according to claim 1, characterized in that: The brush (300) is sleeved on the driven shaft (200), and headless screw holes (310) are provided at both ends of the brush (300), through which the headless screws are fixed to the driven shaft (200).

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