CN204913554U - Abrasive band polisher - Google Patents

Abstract

The utility model discloses an abrasive belt grinder, which relates to the field of grinding equipment and solves the problem that the existing abrasive belt grinder cannot flexibly adapt to grinding surfaces with different curves during grinding. It includes a fuselage and a shelf on the head side of the fuselage. The inside of the fuselage is equipped with a power device and a transmission device connected to the power device. The shelf includes a fixed frame and a movable frame. The driving wheel is connected with the transmission device. The outer end of the fixed frame is hinged with the inner end of the movable frame through an adjustment knob. The outer end of the movable frame is provided with a driven wheel. The abrasive belt is set on the driving wheel and the driven wheel. There is a front cover on the head side to expand the installation space, the shelf is connected to the head side of the fuselage through the front cover, and a detachable lithium battery pack is installed on the tail of the fuselage. The utility model has strong control comfort, the angle between the fixed frame and the movable frame can be adjusted, the abrasive belt can be closely attached to the grinding surface with different curves during grinding, and the grinding effect is good.

Description

A belt grinder

technical field

The utility model relates to the technical field of abrasive belt grinding, in particular to an abrasive belt grinder which is easy to use and whose abrasive belt can flexibly adapt to grinding surfaces with different curves.

Background technique

The grinding machine is a device specially designed for polishing the surface and pipes of metal products such as steel, aluminum and copper. It can produce various snow patterns, brushed patterns, wave patterns, matte surfaces, mirror surfaces, etc. Quickly repairs deep scratches and minor scratches. It is suitable for deburring, forming rounded corners, and decorative metal processing. It will not cause shadows, transition areas, and uneven decorative surfaces during processing. It is an important equipment for metal product production lines. The abrasive belt grinder grinds the surface of the workpiece through the driven abrasive belt. It is a kind of elastic grinding, which has the functions of grinding, grinding and polishing. Compared with the grinding and polishing machine directly through the polishing wheel, the processing process is safer, the noise and dust generated are smaller, the quality of the workpiece surface after processing is high, and the application range is wider. The abrasive belts of existing abrasive belt grinders are generally set on the frame of the fuselage, and the angle of the frame is generally not adjustable, usually linear. When grinding the grinding surface with different curves, the abrasive belt cannot be very fast It is well attached to the grinding surface, but the grinding effect is not ideal. In addition, most of the power supply methods use a cable with a plug to connect to the mains socket. Due to the limitation of the length of the cable and the site, the scope of use of the abrasive belt grinder is limited.

Utility model content

In order to solve the defects of the above-mentioned technology, the utility model provides an abrasive belt grinder which is easy to use and whose abrasive belt can flexibly adapt to grinding surfaces with different curves.

The technical scheme adopted by the utility model to realize above-mentioned technical effect is:

An abrasive belt grinder, comprising a fuselage and a frame arranged on the head side of the fuselage, the frame is provided with an abrasive belt, the inside of the fuselage is provided with a power device and a power device connected to the power device A transmission device connected by transmission, wherein the shelf includes a fixed frame and a movable frame, the inner end of the fixed frame is provided with a driving wheel, the driving wheel is connected with the transmission device, and the outer end of the fixed frame is passed through a The adjustment knob is hinged with the inner end of the movable frame, the outer end of the movable frame is provided with a driven wheel, the abrasive belt is sleeved on the driving wheel and the driven wheel, and the head of the fuselage is The side is provided with a front cover for expanding the installation space, and the shelf is connected to the head side of the fuselage through the front cover.

In the aforementioned belt sander, the power device includes a motor, and the motor is electrically connected to the lithium battery pack arranged at the tail of the fuselage through a circuit board arranged inside the fuselage.

In the aforementioned abrasive belt grinder, the transmission device includes an output shaft arranged at the head of the fuselage, the inner end of the output shaft meshes with the motor shaft of the motor through a reduction mechanism, and the output shaft of the output shaft The outer end passes through the front cover and is connected with the driving wheel.

In the aforementioned abrasive belt grinder, the reduction mechanism includes a first-stage reduction gear arranged on the motor shaft and a second reduction gear arranged on the inner end of the output shaft, and the first-stage reduction gear Meshing with the second reduction gear, the number of teeth of the first-stage reduction gear is less than that of the second reduction gear.

The beneficial effects of the utility model are: the belt grinding machine described in the utility model has strong control comfort, the angle between the fixed frame and the movable frame can be adjusted, and the abrasive belt can be closely attached to the grinding surface with different curves during grinding. The grinding effect is good; in addition, the front cover can effectively increase the installation space on the head side of the fuselage, and the lithium battery pack provides driving force, so that the belt sander can move freely without being limited by the power supply cable.

Description of drawings

Fig. 1 is the internal structure drawing of the present utility model;

Fig. 2 is the front view of the utility model.

In the figure: 1-body, 2-shelf, 3-abrasive belt, 4-lithium battery pack, 5-motor, 6-output shaft, 7-front cover, 8-driving wheel, 9-adjusting knob, 11-circuit Plate, 12-anti-slip part, 21-fixed frame, 22-movable frame, 51-first stage reduction gear, 61-second reduction gear, 81-driven wheel.

Detailed ways

In order to make the utility model be further understood, the utility model is further described below with reference to the accompanying drawings and specific embodiments of the description:

As shown in Fig. 1 and Fig. 2, a kind of abrasive belt grinding machine comprises a fuselage 1 and a shelf 2 arranged on the head side of the fuselage 1, the shelf 2 is provided with an abrasive belt 3 for grinding workpieces, the machine The inside of the body 1 is provided with a power unit and a transmission device connected with the power unit. Wherein, as an improvement of the utility model, the shelf 2 includes a fixed frame 21 and a movable frame 22, the inner end of the fixed frame 21 is provided with a driving wheel 8, and the driving wheel 8 is connected with a transmission device, and the outer end of the fixed frame 21 passes through An adjustment knob 9 is hinged with the inner end of the movable frame 22, and the outer end of the movable frame 22 is provided with a driven wheel 81, and the abrasive belt 3 is sleeved on the driving wheel 8 and the driven wheel 81. When the power unit is working, the transmission device drives The driving wheel 8 and the driven wheel 81 rotate, so that the abrasive belt 3 rotates, and the surface of the workpiece close to it is polished. Because the angle between the fixed frame 21 and the movable frame 22 can be adjusted, so when grinding, the tightness of the abrasive belt 3 can be adjusted, and the contact area with the polished workpiece surface is larger, so that it can adapt to the grinding surface with different curves. At the same time, it is easier for the operator to apply force, which can achieve efficient grinding. Further, the head side of the fuselage 1 is provided with a front cover 7 for expanding the installation space, and the inner end of the fixing frame 21 is connected to the head side of the fuselage 1 through the front cover 7 . The front cover 7 can effectively increase the installation space on the head side of the fuselage 1, and has a larger operating space when replacing the new shelf 2, and the disassembly and installation of the shelf 2 are more convenient.

Specifically, in a preferred embodiment of the present utility model, the power device includes a motor 5, and the motor 5 is electrically connected to the lithium battery pack 4 arranged at the tail of the fuselage 1 through a circuit board 11 arranged inside the fuselage 1. The lithium battery pack 4 is fixed on the tail of the fuselage 1 in a detachable installation manner. When in use, it can be moved at will without being limited by lines and venues, and it is more portable to use. The transmission device includes an output shaft 6 located at the head of the fuselage 1 , the inner end of the output shaft 6 engages with the motor shaft of the motor 5 through a reduction mechanism, and the outer end of the output shaft 6 passes through the front cover 7 and is connected with the driving wheel 8 . The reduction mechanism includes a first-stage reduction gear 51 arranged on the motor shaft and a second reduction gear 61 arranged on the inner end of the output shaft 6. The first-stage reduction gear 51 meshes with the second reduction gear 61, and the first-stage reduction gear The number of teeth of 51 is less than the number of teeth of the second reduction gear 61. When working, the motor 5 can output power to the output shaft 6 in a strong and stable manner, so that the abrasive belt 3 can be rotated and polished quickly. In order to enhance the stability of the grip, the rear part of the fuselage 1 is provided with an anti-slip portion 12, which is an anti-slip stripe and raised anti-slip particles.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions describe only the principle of the utility model. There will be various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model, and the protection scope required by the utility model is defined by the appended claims and their equivalents.

Claims (4)

1. An abrasive belt grinder, comprising a fuselage and a shelf located on the head side of the fuselage, the shelf is provided with an abrasive belt, the inside of the fuselage is provided with a power unit and is connected with the The transmission device for transmission connection of the power unit is characterized in that the shelf includes a fixed frame and a movable frame, and the inner end of the fixed frame is provided with a driving wheel, and the driving wheel is connected with the transmission device, and the fixed frame The outer end is hinged with the inner end of the movable frame through an adjustment knob, the outer end of the movable frame is provided with a driven wheel, the abrasive belt is sleeved on the driving wheel and the driven wheel, and the fuselage The head side of the frame is provided with a front cover for expanding the installation space, and the shelf is connected to the head side of the fuselage through the front cover. 2. A kind of abrasive belt grinder according to claim 1, characterized in that, the power unit comprises a motor, and the motor passes through a circuit board arranged inside the fuselage and is arranged at the tail of the fuselage. The lithium battery pack is electrically connected. 3. A kind of abrasive belt grinder according to claim 2, characterized in that, the transmission device comprises an output shaft arranged at the head of the fuselage, and the inner end of the output shaft communicates with the said output shaft through a reduction mechanism. The motor shaft of the motor is engaged, and the outer end of the output shaft passes through the front cover and is connected with the driving wheel. 4. A belt grinder according to claim 3, characterized in that the reduction mechanism comprises a first-stage reduction gear arranged on the motor shaft and a first-stage reduction gear arranged on the inner end of the output shaft. Two reduction gears, the first-stage reduction gear meshes with the second reduction gear, and the number of teeth of the first-stage reduction gear is less than that of the second reduction gear.