Generator carbon brush grinder

Abstract

The utility model relates to the technical field of carbon brush grinders, in particular to a generator carbon brush grinder which comprises a supporting column, a rotating rod and abrasive paper, the outer side of the supporting column is rotationally connected with the rotating rod, the top end of the supporting column is fixedly connected with a placing assembly, the abrasive paper is installed on the top of the placing assembly, and the placing assembly comprises a grooved plate. Mounting seats are fixedly connected to the two ends of the grooved plate, adjusting shafts are rotatably connected to the middles of the mounting seats, winding rollers are mounted on the outer sides of the adjusting shafts, cleaning rollers are rotatably connected to the tops of the winding rollers, limiting rods are mounted below the winding rollers, and ratchet mechanisms are mounted at one ends of the adjusting shafts; the wind-up roller comprises a wind-up roller body rotationally arranged on the outer side of the adjusting shaft, a mounting groove is formed in the wind-up roller body, and a clockwork spring is mounted on the inner side of the mounting groove. According to the abrasive paper winding device, quick replacement and automatic winding of abrasive paper are achieved, the working efficiency is improved, external tools are not needed, and operation is easy and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to carbon brush grinder technical field, concretely is a generator carbon brush grinder. BACKGROUND

[0002] The generator carbon brush is also called the electric brush, is often called "carbon brush" because its material is "carbon", is the fixed part and rotating part between the energy or signal transmission device of generator, his role is to provide the power supply outside the motor to the rotor winding (excitation winding) through the slip ring, he is easy to wear and tear, must be maintained and replaced frequently, the carbon brush must be polished by sandpaper before replacement, if the grinding is poor, the small contact area is easy to cause the spark phenomenon, causes the excitation circuit interruption or burns the carbon brush frame and causes the fire;

[0003] And the grinder set into the arc can effectively solve this problem, the arc of the arc plate is completely consistent with the arc of the field excitation machine, the carbon brush polished by the polisher can be directly used, and the arc will perfectly fit, solves the problem that whether manual polishing or using the angle grinder to polish is difficult to perfectly combine with the arc, and failure will occur in the polishing, resulting in the problem of carbon brush damage;

[0004] For the arc-shaped carbon brush grinder, in the prior art, the sandpaper is fixed on the support plate by the cooperation of the connecting bolts, since the sandpaper is a consumable, when replacing the sandpaper, the bolts need to be disassembled one by one with the help of external tools, this replacement mode is more troublesome to operate, and the replacement time is increased, the work efficiency is low, therefore, aiming at the above problems, a generator carbon brush grinder is provided. Utility model content

[0005] The utility model discloses a kind of generator carbon brush grinders, to solve the problem that when replacing sandpaper, bolt needs to be disassembled one by one with the help of tool, this replacement mode is more troublesome to operate, and the work efficiency is low.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a generator carbon brush grinder, including support column, the rotating joint of support column outside has the rotating lever, the top fixed connection of support column has the placement subassembly, the top of placement subassembly installs the sandpaper, the placement subassembly includes the groove board, both ends of groove board all are fixedly connected with the mounting seat, the middle part rotationally connected with the adjusting shaft of mounting seat, the outside installation of adjusting shaft has the winding roller, the top rotationally connected with the cleaning roller of winding roller, the below installation of winding roller has the limiting rod, one end of adjusting shaft installs the ratchet mechanism, the winding roller includes the winding roller body rotationally arranged outside adjusting shaft, the inside of winding roller body is equipped with the installation groove, the inside of installation groove is installed with the clockwork spring, the outside of winding roller body is equipped with the placement groove, the inside of placement groove is fixed with the clamping block through bolt, one end of winding roller body is fixedly connected with the driving gear ring, the cleaning roller includes the cleaning roller body rotationally arranged the top of mounting seat, the fixed connection of cleaning roller body has two softness brush, one end of cleaning roller body is fixedly connected with the driven gear ring, the driven gear ring is located above the driving gear ring, and the driving gear ring is connected with the driven gear ring between meshing.

[0008] As the further optimization of the utility model, wherein: the ratchet mechanism includes a plurality of toothed ratchet body, the top of one side of the mounting seat is rotationally connected with a plurality of toothed pawl, the top of one side of the mounting seat is fixedly connected with a connecting seat, and the connecting seat and the plurality of toothed pawl are elastically connected through a spring.

[0009] As the further optimization of the utility model, wherein: the top of the inside of the rotating lever is fixedly connected with a placement box, and the two sides of the top of the rotating lever are fixedly connected with handles.

[0010] As the further optimization of the utility model, wherein: the groove board is located in the middle of the top of the support column, the shape of the groove board is an arc structure, the middle of the groove board is provided with a positioning groove, and the width of the sandpaper is adapted to the width of the positioning groove.

[0011] As the further optimization of the utility model, wherein: the installation groove is provided in the shape of three cylindrical bodies, the middle of the inside of the installation groove is fixedly connected with the front end of the clockwork spring, the rear end of the clockwork spring is fixedly connected with the middle of the adjusting shaft, the number of the clockwork springs corresponds to the number of the winding roller bodies, and the two clockwork springs are symmetrically arranged.

[0012] As the further optimization of the utility model, wherein: the two softness brushes are arranged left and right around the cleaning roller body as the center, and the outside of the softness brushes is attached to the outside of the winding roller body.

[0013] As the further optimization of the utility model, wherein: the limiting rod and the winding roller body are parallel to each other, and the limiting rod and the bottom end of the inner side of the mounting seat have a gap.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] In the utility model, the placing assembly, the cleaning roller and the ratchet mechanism are arranged, the purposes of quick replacement and automatic winding of the sandpaper are realized, the replacement process is simplified, the working efficiency is improved, the stability and flatness of the sandpaper in the grinding process are ensured by the ratchet mechanism and the limiting rod, the generation of wrinkles is avoided, the grinding quality is ensured, meanwhile, the cleaning roller body, the soft brush and the cleaning roller are cooperatively rotated, the debris and dust can be effectively removed, the maintenance workload is reduced, the whole design does not need external tools, is simple to operate, saves time and effort. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a structure schematic view of the placing assembly of the utility model;

[0018] Figure 3 It is a local structure schematic view of the placing assembly of the utility model;

[0019] Figure 4 It is a cross section structure schematic view of the winding roller of the utility model;

[0020] Figure 5 It is a structure schematic view of the cleaning roller of the utility model;

[0021] Figure 6 It is a structure schematic view of the ratchet mechanism of the utility model.

[0022] In the drawing: 1, support column; 2, rotating rod; 3, placing assembly; 4, sandpaper;

[0023] 201, placing box; 202, handle;

[0024] 31, slotted plate; 32, mounting seat; 33, adjusting shaft; 34, winding roller; 35, cleaning roller; 36, limiting rod; 37, ratchet mechanism;

[0025] 341, winding roller body; 342, mounting groove; 343, clock spring; 344, placing groove; 345, clamping block; 346, driving gear ring;

[0026] 351, cleaning roller body; 352, soft brush; 353, driven gear ring;

[0027] 371, multi-toothed ratchet body; 372, multi-toothed pawl; 373, connecting seat. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0029] It is to be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should also be understood that the terms "comprise" and / or "include" as used in the specification indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0030] Please refer to Figures 1-6 The present application provides a technical solution:

[0031] A generator carbon brush grinder, comprising a support column 1, a rotating rod 2 and sandpaper 4, the outer side of the support column 1 is rotatably connected with the rotating rod 2, the top end of the support column 1 is fixedly connected with a placing assembly 3, and the top of the placing assembly 3 is installed with the sandpaper 4; the placing assembly 3 comprises a slotted plate 31, both ends of the slotted plate 31 are fixedly connected with mounting seats 32, the middle part of the mounting seat 32 is rotatably connected with an adjusting shaft 33, the outer side of the adjusting shaft 33 is installed with a winding roller 34, the top of the winding roller 34 is rotatably connected with a cleaning roller 35, the lower part of the winding roller 34 is installed with a limiting rod 36, the limiting rod 36 is parallel to the winding roller body 341, there is a gap between the limiting rod 36 and the bottom end of the inner side of the mounting seat 32, and one end of the adjusting shaft 33 is installed with a ratchet mechanism 37; the winding roller 34 comprises the winding roller body 341 rotatably arranged on the outer side of the adjusting shaft 33, the inside of the winding roller body 341 is provided with an installation groove 342, the inside of the installation groove 342 is installed with a clock spring 343, the outer side of the winding roller body 341 is provided with a placing groove 344, the inside of the placing groove 344 is fixedly provided with a clamping block 345 through bolts, and one end of the winding roller body 341 is fixedly connected with a driving gear ring 346; the cleaning roller 35 comprises a cleaning roller body 351 rotatably arranged on the top of the mounting seat 32, the cleaning roller body 351 is fixedly connected with two soft brushes 352, and one end of the cleaning roller body 351 is fixedly connected with a driven gear ring 353; the driven gear ring 353 is located above the driving gear ring 346, the driving gear ring 346 and the driven gear ring 353 are in meshing connection, and the soft brushes 352 in rotation can effectively remove the debris and dust on the surface of the object in contact below.

[0032] As a further implementation of the scheme, the ratchet mechanism 37 comprises a multi-tooth ratchet body 371, a multi-tooth pawl 372 is rotatably connected to the top of one side of the mounting seat 32, a connecting seat 373 is fixedly connected to the top of one side of the mounting seat 32, the connecting seat 373 and the multi-tooth pawl 372 are elastically connected by a spring, the multi-tooth pawl 372 is pushed to tightly contact the multi-tooth ratchet body 371 by the spring at the bottom of the connecting seat 373, and a one-way limiting function is realized.

[0033] As a further implementation of the scheme, the top inside of the rotating rod 2 is fixedly connected with a placing box 201, and the top of the rotating rod 2 is fixedly connected with a handle 202 on both sides, the handle 202 is used to push the rotating rod 2 to drive the carbon brush in the placing box 201 to polish the sandpaper 4 on the upper part of the placing assembly 3.

[0034] As a further implementation of the scheme, the slotted plate 31 is located at the middle of the top of the supporting column 1, the shape of the slotted plate 31 is arc-shaped structure, the middle of the slotted plate 31 is provided with a positioning slot, the width of the sandpaper 4 is matched with the width of the positioning slot, the sandpaper 4 is placed in the positioning slot of the slotted plate 31, and left and right shaking of the sandpaper 4 is avoided.

[0035] As a further implementation of the scheme, the installation groove 342 is in the shape of a three-section cylinder, the middle inside of the installation groove 342 is fixedly connected with the front end of the clock spring 343, the rear end of the clock spring 343 is fixedly connected with the middle of the adjusting shaft 33, the number of the clock springs 343 corresponds to the number of the winding roller bodies 341, and the two clock springs 343 are symmetrically arranged, so that the energy storage is completed by deformation of the clock spring 343, and the winding roller body 341 is driven to rotate when released.

[0036] As a further implementation of the scheme, the two soft brushes 352 are arranged in a left-right supporting manner with the cleaning roller body 351 as the center, the outside of the soft brush 352 is attached to the outside of the winding roller body 341, and the debris and dust on the surface of the object contacted below are effectively removed.

[0037] Workflow: when in use, the carbon brush to be processed is fixed inside the placing box 201, the rotating rod 2 is pushed through the handle 202 to drive the carbon brush inside the placing box 201 to polish on the sandpaper 4 on the upper part of the placing assembly 3, in order to facilitate the quick replacement of the broken sandpaper 4, the sandpaper 4 with the same width as the middle positioning slot of the slotted plate 31 and long enough is selected and placed in the middle positioning slot of the slotted plate 31, the sandpaper 4 passes around the bottom of the two limiting rods 36, the limiting rods 36 are located at the bottom of the inner side of the mounting seat 32, the limiting rods 36 play the role of pressing and limiting the sandpaper 4, so that the lower surface of the sandpaper 4 can be closely attached to the slotted plate 31, then the two ends of the sandpaper 4 are fixed on the two winding rollers 34 respectively, the specific way is that one end of the sandpaper 4 is inserted into the corresponding placing slot 344, after installation, the sandpaper 4 inside the placing slot 344 is clamped and limited by the cooperation of the clamping block 345 and the bolt, so as to avoid accidental falling, at this time, the adjusting shaft 33 is rotated, the adjusting shaft 33 rotates at the same time to drive the winding roller body 341 to rotate, the excess sandpaper 4 can be wound on the surface of the winding roller body 341, in this process, the clock spring 343 stores energy by deformation, at the same time, the winding roller body 341 can drive the driven gear ring 353 to rotate through the driving gear ring 346, and then drive the soft brush 352 to rotate through the cleaning roller body 351, the rotating soft brush 352 can clean the debris and dust of the object below, greatly facilitating the daily maintenance work, when the adjusting shaft 33 rotates, the spring at the bottom of the connecting seat 373 pushes the multi-toothed ratchet 372 to abut against the multi-toothed ratchet body 371, so that it can only drive the multi-toothed ratchet body 371 to rotate in one direction, thereby realizing one-way limiting, the clock springs 343 of the two winding rollers 34 are symmetrically arranged, the rotating directions are opposite, when the surface of the slotted plate 31 is damaged and needs to be replaced, the connecting seat 373 on one side of the wound sandpaper 4 is lifted up, at this time, the energy stored in the clock spring 343 is quickly released, so as to make the winding roller body 341 reverse, the wound sandpaper 4 can be quickly released, then the connecting seat 373 on the other side is lifted up, in the same way, under the driving force of the clock spring 343, the other side of the winding roller body 341 will reverse, automatically winding the sandpaper 4 on the original position of the slotted plate 31, at the same time, the sandpaper 4 on the new position will quickly move to the surface of the slotted plate 31, simplifying the replacement process.

[0038] Although the embodiments of the present application have been shown and described, it should be understood by those ordinary skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A generator carbon brush grinder comprising a support column (1), a rotating shaft (2) and a sandpaper (4), characterized in that: The outer side of the support column (1) is rotationally connected with a rotating rod (2), and the top end of the support column (1) is fixedly connected with a placing assembly (3), and the top of the placing assembly (3) is provided with sandpaper (4). The placing assembly (3) comprises a slotted plate (31), both ends of the slotted plate (31) are fixedly connected with mounting seats (32), the middle part of the mounting seat (32) is rotationally connected with an adjusting shaft (33), the outer side of the adjusting shaft (33) is provided with a winding roller (34), the top of the winding roller (34) is rotationally connected with a cleaning roller (35), the lower part of the winding roller (34) is provided with a limiting rod (36), and one end of the adjusting shaft (33) is provided with a ratchet mechanism (37). The winding roller (34) comprises a winding roller body (341) rotationally arranged on the outer side of the adjusting shaft (33), the inside of the winding roller body (341) is provided with an installation groove (342), the inside of the installation groove (342) is provided with a clockwork spring (343), the outer side of the winding roller body (341) is provided with a placing groove (344), the inside of the placing groove (344) is provided with a clamping block (345) through bolt fixing, and one end of the winding roller body (341) is fixedly connected with a driving gear ring (346). The cleaning roller (35) comprises a cleaning roller body (351) rotationally arranged on the top of the mounting seat (32), the cleaning roller body (351) is fixedly connected with two soft brushes (352), and one end of the cleaning roller body (351) is fixedly connected with a driven gear ring (353). The driven gear ring (353) is located above the driving gear ring (346), and the driving gear ring (346) and the driven gear ring (353) are in meshing connection.

2. A generator carbon brush dresser as defined in claim 1 wherein: The ratchet mechanism (37) comprises a multi-tooth ratchet body (371), a multi-tooth pawl (372) is rotationally arranged on the top of one side of the mounting seat (32), a connecting seat (373) is fixedly connected to the top end of one side of the mounting seat (32), and the connecting seat (373) and the multi-tooth pawl (372) are elastically connected through a spring.

3. A generator carbon brush dresser as defined in claim 1 wherein: The top of the inner side of the rotating rod (2) is fixedly connected with a placing box (201), and the top of both sides of the rotating rod (2) is fixedly connected with a handle (202).

4. A generator carbon brush dresser as defined in claim 1 wherein: The slotted plate (31) is located in the middle part of the top end of the support column (1), the shape of the slotted plate (31) is an arc structure, the middle part of the slotted plate (31) is provided with a positioning groove, and the width of the sandpaper (4) is adapted to the width of the positioning groove.

5. A generator carbon brush dresser as defined in claim 1 wherein: The installation groove (342) is in the shape of a three-section cylinder, the middle part of the inside of the installation groove (342) is fixedly connected with the front end of the clockwork spring (343), the rear end of the clockwork spring (343) is fixedly connected with the middle part of the adjusting shaft (33), the number of the clockwork springs (343) corresponds to the number of the winding roller bodies (341), and the two clockwork springs (343) are symmetrically arranged.

6. A generator carbon brush dresser as defined in claim 1 wherein: Two said soft brushes (352) are arranged in a left-right supporting manner with the cleaning roller body (351) as the center, and the outer side of the soft brush (352) is attached to the outer side of the winding roller body (341).

7. A generator carbon brush dresser as defined in claim 1 wherein: The limiting rod (36) is parallel to the winding roller body (341), and the limiting rod (36) and the bottom end of the inner side of the mounting seat (32) have a gap.

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