CN210968299U - A hand-held grinder - Google Patents

Abstract

The utility model belongs to the technical field of the polisher, especially, be a hand-held type polisher, including unit mount piece, arc wall, support bull stick, support column, ring shape ball, tooth's socket, motor groove, motor, transfer line, gear, first holding rod and second holding rod, the arc wall is seted up the bottom of unit mount piece, it installs to support the bull stick rotation on the both sides inner wall of arc wall, the fixed cover of support column is established support on the bull stick, the fixed cover of ring shape ball is established on the support column, the bottom of ring shape ball extends to outside the unit mount piece, the tooth's socket is seted up on the inner wall of ring shape ball, the motor groove is seted up one side of unit mount piece, motor fixed mounting be in on the bottom inner wall of motor groove. The utility model discloses, convenient to use is convenient for polish the arc gully of product, gives people and has brought very big facility.

Description

A hand-held grinder

technical field

The utility model relates to the technical field of grinding machines, in particular to a hand-held grinding machine.

Background technique

There are burrs and defects in various products in production. In order to make the products more beautiful, the surface of the products is usually polished. In order to improve the polishing efficiency, people will use a sander to polish.

However, in actual production, in addition to the relatively smooth surface layer, many products also have ravines, which are mostly arc-shaped. It is obvious that ordinary grinding machines cannot grind these ravines. For this reason, a hand-held grinding machine is proposed.

Utility model content

The purpose of the utility model is to propose a hand-held sander in order to solve the shortcomings existing in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical solutions: a hand-held grinding machine, comprising a component mounting block, an arc-shaped groove, a supporting rotating rod, a supporting column, a circular grinding ball, a tooth groove, a motor groove, a motor , a transmission rod, a gear, a first holding rod and a second holding rod, the arc-shaped groove is opened at the bottom of the component mounting block, and the support rotating rod is rotatably installed on the inner walls of both sides of the arc-shaped groove, The support column is fixedly sleeved on the support rotating rod, the annular grinding ball is fixedly sleeved on the support column, and the bottom of the annular grinding ball extends to the outside of the component mounting block, The tooth slot is opened on the inner wall of the annular grinding ball, the motor slot is opened on one side of the component mounting block, the motor is fixedly installed on the inner wall of the bottom of the motor slot, and the drive The rod is rotatably installed on the inner wall of the motor groove on one side close to the annular grinding ball, the transmission rod is fixedly connected with the output shaft of the motor, and the gear is arranged in the annular grinding ball, One end of the transmission rod away from the motor is fixedly connected to the gear, the first holding rod is fixedly installed on the top of the component mounting block, and the second holding rod is fixedly installed on the component mounting block away from all the components. the side of the motor slot.

Preferably, grooves are opened on both inner walls of the arc-shaped groove, first bearings are fixedly installed in the two grooves, and the inner rings of the two first bearings are fixedly sleeved on the support rotating rod superior.

Preferably, a plurality of teeth are opened in the tooth slot, and the plurality of teeth are all meshed with the gear.

Preferably, a through hole is formed on the inner wall of one side of the motor groove close to the annular grinding ball, a second bearing is fixedly installed in the through hole, and the inner ring of the second bearing is fixedly sleeved on the on the transmission rod.

Preferably, a non-slip sleeve is fixedly sleeved on the first grip rod and the second grip rod.

Compared with the prior art, the beneficial effect of the present utility model is: through the component mounting block, the arc groove, the supporting rotating rod, the supporting column, the annular grinding ball, the tooth groove, the motor groove, the motor, the transmission rod, the gear, The cooperation of the first grip rod and the second grip rod is combined into a simple and convenient grinding machine, which can grind the arc groove on the product.

The utility model is convenient to use, convenient for polishing the arc-shaped gully of the product, and brings great convenience to people.

Description of drawings

Fig. 1 is the front sectional structure schematic diagram of the utility model;

Fig. 2 is the enlarged structural representation of part A in Fig. 1;

FIG. 3 is a schematic side view of the cross-sectional structure of the utility model.

In the figure: 1. Component mounting block; 2. Arc-shaped groove; 3. Supporting rod; 4. Supporting column; 5. Ring-shaped grinding ball; 6. Tooth groove; 7. Motor groove; 8. Motor; Transmission rod; 10, gear; 11, first grip; 12, second grip.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a hand-held grinding machine, comprising a component mounting block 1, an arc-shaped groove 2, a support rod 3, a support column 4, a circular grinding ball 5, The tooth slot 6, the motor slot 7, the motor 8, the transmission rod 9, the gear 10, the first holding rod 11 and the second holding rod 12, the arc-shaped groove 2 is opened at the bottom of the component mounting block 1, and the support rod 3 is rotated and installed on the On the inner walls of the two sides of the arc groove 2, the support column 4 is fixedly sleeved on the support rod 3, the annular grinding ball 5 is fixedly sleeved on the supporting column 4, and the bottom of the annular grinding ball 5 extends to the component installation. Outside the block 1, the tooth slot 6 is opened on the inner wall of the annular grinding ball 5, the motor slot 7 is opened on one side of the component mounting block 1, the motor 8 is fixedly installed on the bottom inner wall of the motor slot 7, and the transmission rod 9 is rotated and installed On the inner wall of the motor groove 7 close to the annular grinding ball 5, the transmission rod 9 is fixedly connected with the output shaft of the motor 8, the gear 10 is arranged in the annular grinding ball 5, and the end of the transmission rod 9 away from the motor 8 and The gear 10 is fixedly connected, the first holding rod 11 is fixedly installed on the top of the component mounting block 1, and the second holding rod 12 is fixedly installed on the side of the component mounting block 1 away from the motor slot 7;

The inner walls of the arc groove 2 are provided with grooves on both sides, the first bearings are fixedly installed in the two grooves, and the inner rings of the two first bearings are fixedly sleeved on the support rod 3. A number of teeth are opened inside, and a number of teeth are meshed with the gear 10. A through hole is opened on the inner wall of the motor groove 7 close to the annular grinding ball 5, and a second bearing is fixedly installed in the through hole. The inner ring of the second bearing is fixedly sleeved on the transmission rod 9, and the first grip rod 11 and the second grip rod 12 are fixedly sleeved with anti-skid sleeves. The support column 4, the annular grinding ball 5, the tooth slot 6, the motor slot 7, the motor 8, the transmission rod 9, the gear 10, the first grip rod 11 and the second grip rod 12 cooperate to form a simple and convenient to use. The grinding machine can grind the arc grooves on the product. The utility model is convenient to use, convenient for grinding the arc grooves of the product, and brings great convenience to people.

Working principle: When using, place the product on the workbench, put the annular grinding ball 5 into the arc groove of the product, start the hands to hold the first grip rod 11 and the second grip rod 12 respectively, and start the motor 8 , the rotation of the motor 8 drives the transmission rod 9 to rotate, the rotation of the transmission rod 9 drives the rotation of the gear 10, the gear 10 meshes with a number of teeth in the tooth slot 6, and drives the circular grinding ball 5 to rotate, and the circular grinding ball 5 rotates to drive The inner wall of the arc-shaped groove can be polished while the supporting rotating rod 3 is rotated.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (5)

1. A hand-held sander, comprising: comprises a component mounting block (1), an arc-shaped groove (2), a supporting rotating rod (3), a supporting column (4), a circular ring-shaped grinding ball (5), a tooth socket (6), a motor groove (7), a motor (8), a transmission rod (9), a gear (10), a first holding rod (11) and a second holding rod (12), wherein the arc-shaped groove (2) is arranged at the bottom of the component mounting block (1), the supporting rotating rod (3) is rotatably arranged on the inner walls of two sides of the arc-shaped groove (2), the supporting column (4) is fixedly sleeved on the supporting rotating rod (3), the circular ring-shaped grinding ball (5) is fixedly sleeved on the supporting column (4), the bottom of the circular ring-shaped grinding ball (5) extends to the outside of the component mounting block (1), the tooth socket (6) is arranged on the inner wall of the circular ring-shaped grinding ball (5), the motor groove (7) is arranged at one side of the component mounting block (1), motor (8) fixed mounting be in on the bottom inner wall of motor groove (7), transfer line (9) are rotated and are installed motor groove (7) are close to on one side inner wall of ring shape ball (5), transfer line (9) with the output shaft fixed connection of motor (8), gear (10) set up in ring shape ball (5), transfer line (9) are kept away from the one end of motor (8) with gear (10) fixed connection, first holding rod (11) fixed mounting be in the top of subassembly installation piece (1), second holding rod (12) fixed mounting be in subassembly installation piece (1) is kept away from one side of motor groove (7).

2. A hand-held sanding machine according to claim 1, characterized in that: grooves are formed in the inner walls of the two sides of the arc-shaped groove (2), first bearings are fixedly mounted in the two grooves, and the inner rings of the two first bearings are fixedly sleeved on the supporting rotating rod (3).

3. A hand-held sanding machine according to claim 1, characterized in that: a plurality of teeth are arranged in the tooth socket (6) and are all meshed with the gear (10).

4. A hand-held sanding machine according to claim 1, characterized in that: a through hole is formed in the inner wall of one side, close to the annular grinding ball (5), of the motor groove (7), a second bearing is fixedly mounted in the through hole, and the inner ring of the second bearing is fixedly sleeved on the transmission rod (9).

5. A hand-held sanding machine according to claim 1, characterized in that: and anti-skidding sleeves are fixedly sleeved on the first holding rod (11) and the second holding rod (12).

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