CN107838763A - A construction wall grinder capable of quickly replacing the grinding disc - Google Patents

Abstract

The invention discloses a building wall grinding machine capable of quickly replacing a grinding disc, which comprises a dust cover, wherein a mounting plate is arranged inside the dust cover, the mounting plate is fixedly connected to the inner side wall of the dust cover, a motor is fixedly mounted on the mounting plate, the tail end of an output shaft of the motor penetrates through the mounting plate and is fixedly connected with a rotating shaft, one end, far away from the motor, of the rotating shaft is detachably connected with the grinding disc, a connector is arranged in the middle of the grinding disc, a mounting groove is formed in the connector in a penetrating mode, two limiting blocks are symmetrically arranged in the mounting groove, two guide rods are arranged in the mounting groove and are respectively positioned on two sides of the mounting groove, and two ends of each guide rod are respectively and fixedly. The top wall surface polishing machine is simple in structure, convenient and fast to operate, capable of easily finishing polishing operation on the top wall surface through angle conversion, good in polishing effect, capable of quickly replacing the polishing disc, capable of improving working efficiency and worthy of popularization.

Description

A construction wall grinder capable of quickly replacing the grinding disc

technical field

The invention relates to the technical field of construction machinery, in particular to a construction wall grinding machine capable of rapidly replacing grinding discs.

Background technique

In the building decoration process, the putty layer is a very critical process before painting or brushing the building wall. Whether the wall is smooth and beautiful depends to a large extent on the quality of the putty layer. Traditionally, it is done by hand. For the wall surface, it is inefficient to polish the wall surface with hand-held sandpaper. Although there are some electric wall grinders, the design structure is not very reasonable, and it can only grind vertical or horizontal walls. It is not suitable for the top wall, it is not easy to operate, and the replacement of the grinding disc is very difficult It is cumbersome and inconvenient, and the grinding efficiency is low, which affects the grinding quality.

Contents of the invention

The purpose of the present invention is to solve the shortcomings in the prior art, and propose a construction wall grinding machine that can quickly replace the grinding disc.

In order to achieve the above object, the present invention adopts the following technical solutions:

A building wall grinder that can quickly replace the grinding disc, including a dust cover, the inside of the dust cover is provided with a mounting plate, the mounting plate is fixedly connected to the inner wall of the dust cover, and the mounting plate A motor is fixedly installed, and the end of the output shaft of the motor passes through the mounting plate and is fixedly connected with a rotating shaft. The end of the rotating shaft away from the motor is detachably connected to a grinding disc, and a connecting head is provided in the middle of the grinding disc. The connecting head There is an installation groove running through the top, and two limit blocks are symmetrically arranged in the installation groove, and two guide rods are arranged in the installation groove, and the two guide rods are respectively located on both sides of the installation groove. The two ends of the rod are respectively fixedly connected to the two opposite side walls of the installation groove, the two limit blocks are slidingly connected to the guide rod, and a second spring is connected between the two limit blocks. The limit block runs through the installation groove, and the end of the rotating shaft is provided with a limit groove corresponding to the position of the limit block. The rotating shaft is fixedly sleeved with a mounting rod, and both ends of the mounting rod are fixedly connected with a support rod. The end of the support rod far away from the installation rod is sleeved with a sleeve, the inside of the sleeve is provided with a placement groove, and a first spring is arranged in the placement groove, and one end of the first spring is connected to the support rod , the other end of the first spring is connected to the inner wall of the placement groove, the end of the sleeve far away from the support rod is connected to a dust sweeping plate, and the lower end of the dust cover is provided with a plurality of installations at equal intervals along its circumference. There is a roller in the installation hole, and a chute corresponding to the position of the roller is provided on the side wall of the dust sweeping plate. The roller is slidably connected in the chute, and the upper end of the dust cover There are two connecting frames fixedly connected, and a worm wheel is fixedly connected between the two connecting frames. An operating rod is rotatably connected to the side wall of the connecting frame, and a rotating rod is inserted through the operating rod. The rotating rod One end of the rotating rod is connected with a worm, and the worm and the worm wheel are engaged with each other, and the other end of the rotating rod is connected with a handle.

Preferably, the operating lever is provided with an integrally formed armrest.

Preferably, the rotating rod is integrally formed with the handle.

Preferably, the lower end of the sweeping board is provided with spiral bristles.

Preferably, the edge of the grinding disc is arc-shaped.

Preferably, a shift block is provided on the side wall of the limiting block, and an anti-skid pattern is provided on the surface of the shift block.

In the present invention, the motor is turned on during use, and the wall is polished with a hand-held operating rod. When the top wall needs to be polished, only the handle of the rotating rod is turned to rotate the connecting frame so that the grinding disc is perpendicular to the operating rod, that is, The top surface can be polished. When it is necessary to replace the grinding disc, just turn the dial, move the limit block out of the limit slot to remove the old grinding disc and replace it with a new one. The second spring Reset the limit block to complete the operation of quickly changing the grinding disc. The invention is simple in structure, convenient in operation, and can easily complete the grinding operation on the top wall surface by changing the angle, has good grinding effect, can quickly replace the grinding disc, improves work efficiency, and is worthy of popularization.

Description of drawings

Fig. 1 is a structural schematic diagram of a building wall grinder that can quickly replace the grinding disc proposed by the present invention;

Fig. 2 is a side view of a building wall grinder that can quickly replace the grinding disc proposed by the present invention;

Fig. 3 is an enlarged view of A in Fig. 1 .

In the figure: 1 dust cover, 2 mounting plate, 3 connecting frame, 4 worm gear, 5 worm screw, 6 operating rod, 7 rotating rod, 8 armrest, 9 supporting rod, 10 first spring, 11 sleeve, 12 dust sweeping plate , 13 grinding discs, 14 rotating shafts, 15 motors, 16 mounting rods, 17 second springs, 18 shifting blocks, 19 limiting grooves, 20 limiting blocks, 21 connectors, 22 guide rods, 23 mounting grooves.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

Referring to Figures 1-3, a building wall grinder capable of quickly replacing the grinding disc, including a dust cover 1, the interior of the dust cover 1 is provided with a mounting plate 2, and the mounting plate 2 is fixedly connected to the inner wall of the dust cover 1 On the mounting plate 2, a motor 15 is fixedly installed, the end of the output shaft of the motor 15 runs through the mounting plate 2 and is fixedly connected with a rotating shaft 14, and the end of the rotating shaft 14 away from the motor 15 is detachably connected with a grinding disc 13, and the middle part of the grinding disc 13 is provided There is a connecting head 21, and the connecting head 21 is provided with a mounting groove 23, and two limit blocks 20 are symmetrically arranged in the mounting groove 23, and two guide rods 22 are arranged in the mounting groove 23, and the two guide rods 22 are respectively positioned on the On both sides of the groove 23, the two ends of the guide rod 22 are respectively fixedly connected on the two opposite side walls of the installation groove 23, and the two limit blocks 20 are all slidably connected on the guide rod 22, and between the two limit blocks 20 The second spring 17 is connected, the limit block 20 runs through the installation groove 23, and the end of the rotating shaft 14 is provided with a limit groove 19 corresponding to the position of the limit block 20. When the grinding disc 13 needs to be replaced, only the toggle block 18 is needed. , move the limiting block 20 from the limiting groove 19 to remove the old grinding disc 13, replace it with a new grinding disc 13, the second spring 17 resets the limiting block 20, and completes the operation of quickly replacing the grinding disc 13 , the rotating shaft 14 is fixedly sleeved with a mounting rod 16, both ends of the mounting rod 16 are fixedly connected with a support rod 9, and the end of the support rod 9 away from the mounting rod 16 is sleeved with a sleeve 11, and the inside of the sleeve 11 is provided with a slot, the placement slot is provided with a first spring 10, one end of the first spring 10 is connected to the support rod 9, the other end of the first spring 10 is connected to the inner wall of the placement slot, and the sleeve 11 is away from the end of the support rod 9 Connected with dust sweeping board 12, dust sweeping board 12 can be pressed against the wall all the time during grinding operation to prevent dust from scattering. There are rollers inside, and the side wall of the dust sweeping plate 12 is provided with a chute corresponding to the position of the roller, the roller is slidably connected in the chute, and the upper end of the dust cover 1 is fixedly connected with two connecting frames 3, two A worm gear 4 is fixedly connected between the connecting frames 3, and an operating rod 6 is rotatably connected to the side wall of the connecting frame 3, and a rotating rod 7 runs through the operating rod 6, and a worm 5 is connected to one end of the rotating rod 7, and the worm 5 and The worm gears 4 are meshed with each other, and the other end of the rotating rod 7 is connected with a handle. When in use, the motor 15 is turned on, and the hand-held operating lever 6 is used for wall polishing. The connecting frame 3 is rotated so that the grinding disc 13 is perpendicular to the operating rod 6, and the top surface can be polished.

In the present invention, the operating rod 6 is provided with a handrail 8 integrally formed with it, and the handrail 8 is held during operation to facilitate grinding operations. The rotating rod 7 is integrally formed with the handle, which is convenient to rotate and adjust the angle formed by the grinding disc 13 and the operating rod 6 conveniently. The lower end of the dust sweeping plate 12 is provided with spiral bristles, which can sweep the dust produced by grinding into the dust cover 1 to prevent the dust from affecting the health of the operator. The edge of the grinding disc 13 is arc-shaped, which is more wear-resistant. The side wall of the limiting block 20 is provided with a shifting block 18, and the surface of the shifting block 18 is provided with anti-slip lines, which are effectively anti-slip and convenient to toggle to disassemble the grinding disc 13.

In the present invention, the motor 15 is turned on during use, and the hand-held operating lever 6 is used for wall grinding. When the top wall surface needs to be polished, the handle of the rotating rod 7 is only required to rotate the connecting frame 3, so that the grinding disc 13 is connected to the surface of the wall. When the operating rod 6 is vertical, the top surface can be polished. When the grinding disc 13 needs to be replaced, the old grinding disc 13 can only be removed by moving the stop block 20 out of the limit slot 19 , replace the new grinding disc 13, the second spring 17 resets the stop block 20, and completes the operation of quickly replacing the grinding disc 13.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (6)

1. a kind of building wall grinding machine of fast changeable polishing pad, including dust cover (1), it is characterised in that the dust cover (1) Inside be provided with installing plate (2), the installing plate (2) is fixedly connected on the madial wall of dust cover (1), the installing plate (2) On be installed with motor (15), motor (15) the output the tip of the axis is through installing plate (2) and is fixedly connected with rotating shaft (14), the one end of the rotating shaft (14) away from motor (15) is removably connected with polishing pad (13), in the polishing pad (13) Portion is provided with connector (21), runs through on the connector (21) and is provided with mounting groove (23), is arranged with the mounting groove (23) Two limited blocks (20), the mounting groove (23) is interior to be provided with two guide rods (22), and two guide rods (22) are located at respectively The both sides of mounting groove (23), the both ends of the guide rod (22) are respectively fixedly connected with two relative side walls of mounting groove (23) On, two limited blocks (20) are slidably connected on guide rod (22), and is connected between two limited blocks (20) Two springs (17), the limited block (20) run through mounting groove (23), and the end of the rotating shaft (14) is provided with and limited block (20) position Corresponding stopper slot (19) is put, fixed cover is connected to mounting rod (16) on the rotating shaft (14), and the both ends of the mounting rod (16) are equal Support bar (9) is fixedly connected with, the one end of the support bar (9) away from mounting rod (16) is socketed with sleeve (11), the sleeve (11) inside is provided with standing groove, and the first spring (10) is provided with the standing groove, and one end of first spring (10) connects It is connected on support bar (9), the other end of first spring (10) is connected on the inwall of standing groove, and the sleeve (11) is remote One end of support bar (9), which is connected with, sweeps dirt plate (12), and its circumference of the lower end edge of the dust cover (1) is equidistantly provided with multiple installations Hole, the mounting hole is interior to be provided with roller, and the side wall for sweeping dirt plate (12) is provided with chute corresponding with roller position, the rolling Son is slidably connected in chute, and the upper end of the dust cover (1) is fixedly connected with two links (3), two links (3) worm gear (4) is fixedly connected between, action bars (6), the action bars are rotatably connected in the side wall of the link (3) (6) through bull stick (7) is provided with, one end of the bull stick (7) is connected with worm screw (5), and the worm screw (5) is mutual with worm gear (4) Engagement, the other end of the bull stick (7) are connected with handle.

A kind of 2. building wall grinding machine of fast changeable polishing pad according to claim 1, it is characterised in that the operation Bar (6) is provided with and its integrally formed handrail (8).

A kind of 3. building wall grinding machine of fast changeable polishing pad according to claim 1, it is characterised in that the bull stick (7) it is integrally formed with handle.

4. the building wall grinding machine of a kind of fast changeable polishing pad according to claim 1, it is characterised in that described to sweep dirt The lower end of plate (12) is provided with spiral helicine bristle.

A kind of 5. building wall grinding machine of fast changeable polishing pad according to claim 1, it is characterised in that the polishing The edge of disk (13) is curved.

6. the building wall grinding machine of a kind of fast changeable polishing pad according to claim 1, it is characterised in that described spacing The side wall of block (20) is provided with shifting block (18), and the surface of the shifting block (18) is provided with anti-slip veins.