Disclosure of Invention
Aiming at the technical problems, the invention provides a handheld wall polishing device.
The technical scheme includes that the grinding machine comprises an operating handle, a driving motor and a grinding head, and is characterized in that the grinding head comprises a dust cover, a transmission mechanism is arranged in the dust cover, the input end of the transmission mechanism is coaxially fixed with the output shaft of the driving motor, the output end of the transmission mechanism is coaxially and fixedly provided with a grinding disc, sand paper is arranged on the grinding disc, and an adjusting mechanism for adjusting the position of the grinding disc is arranged on the outer side of the transmission mechanism;
a dust exhaust port is arranged on one side of the dust cover, a dust exhaust pipe is arranged at the dust exhaust port, one end of the dust exhaust pipe is communicated with a hose, and the hose is communicated with a dust collecting bag;
The polishing device further comprises a switching unit arranged outside the dust cover, and the switching unit is used for switching the polishing state of the polishing head.
Preferably, the transmission mechanism comprises a driving plate coaxially and fixedly connected with the output shaft of the driving motor, two connecting rods are rotatably arranged on a plate body of the driving plate, one end of each connecting rod is rotatably connected with the driving plate, the other end of each connecting rod is rotatably provided with a linkage plate, the linkage plate is in a cross shape, and two opposite ends of the linkage plate are rotatably connected with one connecting rod respectively;
The driving plate is arranged in a sliding manner in the long strip groove, two sliding rods are fixedly arranged on the plate body of the driving plate, and the two sliding rods slide in the long strip groove;
One side of the driving plate, which is away from the sliding rod, is coaxially and fixedly provided with a polishing disc through a transmission shaft.
Preferably, an adjusting mechanism for adjusting the position of the polishing disc is arranged on the outer side of the transmission mechanism, the adjusting mechanism comprises a planetary gear set arranged in a dust cover, a sun gear of the planetary gear set is sleeved on the outer side of an output shaft of the driving motor and is coaxial with the output shaft of the driving motor, a gear frame of the planetary gear set is fixed with the dust cover, an adjusting plate is fixedly arranged on a gear ring of the planetary gear set, and the adjusting plate is positioned below the driving plate;
The dust cover also comprises a switching unit arranged outside the dust cover.
Preferably, a guide groove is formed in the plate body of the adjusting plate, a sliding block is arranged in the guide groove in a sliding mode, a through hole is formed in the middle of the sliding block, and the through hole is rotationally connected with the transmission shaft;
The device also comprises an adjusting unit arranged on the adjusting plate.
Preferably, the switching unit comprises a commutator arranged on the output shaft of the driving motor in a sliding manner, the commutator and the output shaft of the driving motor are radially and fixedly axially slid, a plurality of driving teeth are arranged on the lower surface of the commutator in an array manner, and a plurality of driven teeth are arranged on the upper surface of the sun gear in an array manner;
the outer side of the commutator is provided with a groove, one side of the commutator is provided with a shifting fork, the middle of the shifting fork is rotationally connected with the driving motor, one end of the shifting fork is provided with a semicircular shifting rod, two ends of the shifting rod are respectively rotationally provided with a ball, and the balls roll in the groove.
Preferably, the shifting fork is far away from one end of the shifting lever and is rotationally provided with a nut, an adjusting bolt is connected with the nut through internal threads, the lower end of the adjusting bolt is rotationally provided with an adapter seat, and the adapter seat is rotationally connected with the driving motor.
Preferably, the adjusting unit comprises two chain wheels rotatably arranged on the adjusting plate body, the two chain wheels are connected through a chain, and one chain link of the chain is fixedly connected with the sliding block;
each chain wheel is fixedly provided with an adjusting knob.
Preferably, the front end of dust cover sets up the isolation brush along circumference, the periphery of dust cover still sets up LED lamp area and annular lamp shade, LED lamp area and controller electric connection, the LED lamp area sets up in annular lamp shade.
The technical scheme provided by the embodiment of the invention has the beneficial effects that the structure is simple, the use is convenient, dust generated by polishing can be adsorbed, dust-free operation is realized, the operation environment is improved, the switching of coarse polishing and fine polishing modes can be realized, the adjustment is convenient according to actual construction requirements, and the polishing efficiency is effectively improved.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. Of course, the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the invention, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art in a specific case.
Example 1
Referring to fig. 1 to 6, the invention provides a handheld wall polishing device, which comprises an operating handle 1, wherein the operating handle 1 is preferably a telescopic rod, a driving motor 1-1 and a polishing head 2, and is characterized in that the polishing head 2 comprises a dust cover 2-1, a transmission mechanism 2-2 is arranged in the dust cover 2-1, the input end of the transmission mechanism 2-2 is coaxially and fixedly arranged with an output shaft of the driving motor 1-1, a polishing disc 2-3 is coaxially and fixedly arranged at the output end of the transmission mechanism 2-2, a plurality of through holes are arranged on a disc body of the polishing disc 2-3 in an array manner, the weight of the polishing disc 2-3 can be effectively reduced, one side of the polishing disc 2-3, deviating from the transmission mechanism 2-2, is a magic tape adhesive surface, abrasive paper is arranged on the polishing disc 2-3, and an adjusting mechanism 2-4 for adjusting the position of the polishing disc 2-3 is arranged on the outer side of the transmission mechanism 2-2.
One side of the dust cover 2-1 is provided with a dust discharge port 2-11, the dust discharge port 2-11 is provided with a dust discharge pipe 2-12, one end of the dust discharge pipe 2-12 is communicated with a hose 2-13, the hose 2-13 is communicated with a dust collecting bag, the bag opening of the dust collecting bag is provided with a dust collector, and the dust collector is convenient for introducing the polished dust into the dust collecting bag, so that the dust generated in the polishing process is reduced, and the working environment of an operator is effectively improved;
The dust cover is characterized by further comprising a switching unit 2-5 arranged outside the dust cover 2-1, wherein the switching unit 2-5 is used for switching the polishing state of the polishing head 2.
The transmission mechanism 2-2 comprises a driving plate 2-21 which is coaxially and fixedly connected with an output shaft of the driving motor 1-1, two connecting rods 2-22 are rotatably arranged on a plate body of the driving plate 2-21, one end of each connecting rod 2-22 is rotatably connected with the driving plate 2-21, the other end of each connecting rod is rotatably provided with a linkage plate 2-23, the linkage plate 2-23 is in a cross shape, and two opposite ends of the linkage plate 2-23 are rotatably connected with one connecting rod 2-22 respectively;
The plate body of the linkage plate 2-23 is fixedly provided with a strip groove 2-24, the driving plate 2-25 is arranged in the strip groove 2-24 in a sliding way, the plate body of the driving plate 2-25 is fixedly provided with two sliding rods 2-26, and the two sliding rods 2-26 slide in the strip groove 2-24;
The grinding disc 2-3 is coaxially and fixedly arranged on one side of the driving plate 2-25, which is away from the sliding rod 2-26, through a transmission shaft.
The connecting rod 2-22 can drive the linkage plate 2-23 to rotate, and the linkage plate 2-23 synchronously drives the driving plate 2-25 to rotate through the two sliding rods 2-26 in the rotating process, and because the sliding rods 2-26 can slide in the strip grooves 2-24, when the axis of the driving plate 2-25 is parallel to the axis of the driving plate 2-21, the driving plate 2-21 can still drive the driving plate 2-25 to rotate.
The adjusting mechanism 2-4 comprises a planetary gear set 2-41 arranged in the dust cover 2-1, a sun gear of the planetary gear set 2-41 is sleeved outside an output shaft of the driving motor 1-1 and is coaxial with the output shaft of the driving motor 1-1, a gear frame of the planetary gear set 2-41 is fixed with the dust cover 2-1, an adjusting plate 2-42 is fixedly arranged on a gear ring of the planetary gear set 2-41, and the adjusting plate 2-42 is positioned below the driving plate 2-25.
The switching unit 2-5 can realize the switching of two states of the device, wherein one state is rough polishing, and the polishing disc 2-3 revolves while generating rotation, so that the polishing area and the polishing efficiency are effectively increased;
and the other is finish polishing, and 2-3 polishing discs can not revolve after rotating, so that the polishing refinement degree is effectively ensured.
The plate body of the adjusting plate 2-42 is provided with a guide groove 2-43, a sliding block 2-44 is arranged in the guide groove 2-43 in a sliding way, the middle part of the sliding block 2-44 is provided with a through hole, and the through hole is rotationally connected with the transmission shaft;
and also comprises an adjusting unit 2-6 arranged on the adjusting plate 2-42.
The switching unit 2-5 comprises a commutator 2-51 which is arranged on the output shaft of the driving motor 1-1 in a sliding way, the commutator 2-51 and the output shaft of the driving motor 1-1 are radially and fixedly axially slid, a plurality of driving teeth are arranged on the lower surface of the commutator 2-51 in an array way, and a plurality of driven teeth are arranged on the upper surface of the sun gear in an array way;
The outside of commutator 2-51 sets up the recess, and one side of commutator 2-51 sets up shift fork 2-52, and the middle part of shift fork 2-52 is connected with driving motor 1-1 rotation, and one end of shift fork 2-52 sets up semicircle arc driving lever, and the both ends of driving lever are rotated respectively and are set up a ball, and the ball rolls in the recess.
One end of the shifting fork 2-52, which is far away from the shifting rod, is rotatably provided with a nut 2-53, the inner thread of the nut 2-53 is connected with an adjusting bolt 2-54, the lower end of the adjusting bolt 2-54 is rotatably provided with an adapter, and the adapter is rotatably connected with the driving motor 1-1.
The position of a shifting fork 2-52 is adjusted by rotating an adjusting bolt 2-54, the commutator 2-51 is controlled by the shifting fork 2-52 to realize the engagement and separation of driving teeth and driven teeth, when the driving teeth and the driven teeth are engaged, the output shaft of a driving motor 1-1 and a planetary gear set 2-41 realize power transmission, and the planetary gear set 2-41 drives an adjusting plate 2-42 to rotate;
When the driving teeth and the driven teeth are separated, the output shaft of the driving motor 1-1 only drives the polishing disc 2-3 to rotate through the transmission mechanism 2-2, and the polishing disc 2-3 only rotates and cannot revolve at the moment, so that the wall surface polishing device is suitable for precisely polishing the wall surface, and the polishing refinement degree is effectively ensured.
The adjusting unit 2-6 comprises two chain wheels 2-61 rotatably arranged on a plate body of the adjusting plate 2-42, the two chain wheels 2-61 are connected through a chain 2-62, and one chain link of the chain 2-62 is fixedly connected with the sliding block 2-44;
An adjusting knob is fixedly arranged on each chain wheel 2-61.
By rotating the adjusting knob, the position of the sliding block 2-44 is adjusted, and then the position of the polishing disc 2-3 is adjusted, so that the position of the polishing disc 2-3 can be adjusted according to the polishing state, and the revolution diameter of the polishing disc 2-3 can be adjusted when rough polishing is performed.
The front end of the dust cover 2-1 is provided with the isolation brush along the circumferential direction, the isolation brush can clean dust attached to the wall, the periphery of the dust cover 2-1 is also provided with the LED lamp strip and the annular lampshade, the LED lamp strip is electrically connected with the controller, the LED lamp strip is arranged in the annular lampshade, when the external environment is darker, the LED lamp strip can be opened, the wall can be conveniently seen clearly, and the use of an operator is facilitated.
When the wall polishing device is used, a user adjusts the length of the operating handle 1 according to the height of the wall surface and adjusts the state of the switching mechanism 2-5 according to the polishing requirement, the operating handle 1 is respectively held by two hands, after the device is lifted, the polishing disc 2-3 is attached to the wall surface to be polished, the switch of the driving motor 1-1 is turned on, the driving motor 1-1 drives the polishing disc 2-3 to rotate, an operator polishes the wall body by moving the polishing head 2,
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.