CN214162455U - Device for polishing pinpoint drill bit - Google Patents

Abstract

The utility model discloses a device for polishing a drill bit with a needle point, which comprises a workbench and a motor box, wherein a motor is fixedly arranged inside the motor box, an output shaft of the motor extends to the outside of the motor box, a polishing wheel is movably connected on the output shaft of the motor, a supporting tube is fixedly connected on the outer side of the motor box, and a protective device is fixedly arranged on the supporting tube; through the setting of first protection casing and second protection casing, logical groove has been seted up on the first protection casing, the inside of first protection casing is equipped with drags the groove, through dragging the fixed column, drag the second protection casing from the inside of first protection casing, thereby the protection of polishing wheel to, through the setting of hand screw, there is the hand screw on the first protection casing, when needing to change polishing wheel, unscrew the hand screw of fixed mounting on first protection casing, take off first protection casing after, can change polishing wheel, through the setting of hand screw, can dismantle protector fast.

Description

Device for polishing pinpoint drill bit

Technical Field

The utility model relates to a needle point drill bit technical field specifically is a needle point drill bit's of polishing device.

Background

The drill bit is used for drilling through holes or blind holes in solid materials, the hole machining of various parts is completed by lathing, boring, milling and other machine tools except a part, and the most part is completed by a bench worker by utilizing a drilling machine and a drilling tool.

Among the prior art, conventional burnishing device's throwing aureola is direct exposed outside, after using, the staff may forget to close the motor, hit the back carelessly, cause the injury to the staff, throwing aureola is at long-time grinding in-process, the grit of throwing aureola is at the friction, the extrusion is under, the edges and corners rounding of throwing aureola becomes blunt gradually, make at last throwing aureola lose cutting ability, when changing the throwing aureola, protector dismantles inconveniently, consequently, need protect throwing aureola, also convenient quick dismantlement to protector when protecting to throwing aureola, therefore we need propose a device of polishing needle point drill bit.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a device of needle point drill bit of polishing can protect polishing wheel, can make things convenient for protector to dismantle fast to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a device for polishing a pinpoint drill bit comprises a workbench, a motor box and a protective device, wherein a sliding block is arranged at the bottom of the motor box, a fixing screw is arranged on the motor box, the motor box is fixedly installed on the sliding block through the fixing screw, the sliding block is slidably installed on a guide rail, a motor is fixedly installed inside the motor box, an output shaft of the motor extends to the outside of the motor box, a polishing wheel is movably connected to the output shaft of the motor, a supporting pipe is fixedly connected to the outside of the motor box, and the protective device is fixedly installed on the supporting pipe;

the protection device comprises a fixing column, a first protection cover, a second protection cover and a through groove, the through groove is formed in the first protection cover, the second protection cover is rotatably installed inside the first protection cover, the fixing column is fixedly connected to the second protection cover, a hand screw is arranged on the first protection cover, a screw hole is formed in the supporting pipe, and the first protection cover is fixedly installed on the supporting pipe through the hand screw in a matched mode.

Preferably, the guide rail is provided with a screw rod, and the screw rod is movably arranged at the central position of the guide rail.

Preferably, one end of the screw rod is fixedly connected with a hand wheel, a screw nut is installed on the screw rod in a threaded mode, and the screw nut is fixedly installed at the bottom of the motor box.

Preferably, two groups of through grooves are symmetrically formed in the first protective cover, two groups of fixing columns are arranged, and the two groups of fixing columns penetrate through the two groups of through grooves and are fixedly connected to the second protective cover.

Preferably, the inner wall laminating of motor case has the amortization cotton, the slider is provided with two sets ofly, two sets of slider fixed connection is in the both sides of motor bottom of the case portion.

Preferably, the hose lamp is fixedly installed on the workbench, the workbench is provided with the collecting box, and the front side of the collecting box is fixedly connected with the handle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a through the setting of first protection casing and second protection casing, logical groove has been seted up on the first protection casing, the second protection casing rotates to be installed in the inside of first protection casing, the fixed column passes logical groove fixed connection on the second protection casing, the inside of first protection casing is equipped with drags the groove, drags the groove and can play spacing effect to the second protection casing, through dragging the fixed column, drags the second protection casing out from the inside of first protection casing, when the fixed column drags to the other end of logical groove, thereby protect the throwing aureola;

2. the utility model discloses a hand screw's setting has hand screw on the first protection casing, is equipped with the screw on the stay tube, and first protection casing cooperates screw fixed mounting on the stay tube through hand screw, when needing to be changed and throw aureola, twists off fixed mounting's hand screw on first protection casing, takes off first protection casing after, can change throwing aureola, through the setting of hand screw, can dismantle protector fast.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view structure diagram of the present invention;

fig. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic view of the axial side three-dimensional structure of the protection device of the present invention;

fig. 5 is a schematic structural view of the protection device of the present invention.

In the figure: 1. a work table; 2. a collection box; 3. a motor case; 4. a hose lamp; 5. a guide rail; 6. a motor; 7. silencing cotton; 8. supporting a tube; 9. a handle; 10. fixing screws; 11. screwing the screw by hand; 12. a screw hole; 13. a polishing wheel; 14. a guard; 15. a hand wheel; 16. a screw rod; 17. a feed screw nut; 18. A slider; 141. fixing a column; 142. a first shield; 143. a second shield; 144. a through groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a device for polishing a pinpoint drill bit comprises a workbench 1 and a motor box 3, wherein a sliding block 18 is arranged at the bottom of the motor box 3, the motor box 3 is provided with a fixing screw 10, the motor box 3 is fixedly installed on the sliding block 18 through the fixing screw 10, the sliding block 18 is slidably installed on a guide rail 5, the guide rail 5 is fixedly installed on the workbench 1, a lead screw 16 is movably installed on the guide rail 5, a hand wheel 15 is fixedly connected to one end of the lead screw 16, a lead screw nut 17 is installed on the lead screw 16 in a threaded manner, the lead screw nut 17 is fixedly installed at the bottom of the motor box 3, a motor 6 is fixedly installed inside the motor box 3, an output shaft of the motor 6 extends to the outside of the motor box 3, a polishing wheel 13 is movably connected to the output shaft of the motor 6, a supporting tube 8 is fixedly connected to the outside of the motor box 3, and a protective device 14 is fixedly installed on the supporting tube 8;

through the arrangement of the screw rod 16, the hand wheel 15 is rotated to enable the screw rod 16 to rotate, the screw rod nut 17 is fixedly arranged at the bottom of the motor box 3, the screw rod 16 rotates to drive the motor box 3 to move through the screw rod nut 17, and the support tube 8 can protect an output shaft of the motor 6;

the protection device 14 comprises fixing columns 141, a first protection cover 142, a second protection cover 143 and through grooves 144, two groups of through grooves 144 are symmetrically arranged on the first protection cover 142, two groups of fixing columns 141 are arranged, the two groups of fixing columns 141 penetrate through the two groups of through grooves 144 and are fixedly connected to the second protection cover 143, hand screws 11 are arranged on the first protection cover 142, screw holes 12 are arranged on the support pipe 8, and the first protection cover 142 is fixedly arranged on the support pipe 8 through the hand screws 11 in a matching mode with the screw holes 12;

through the arrangement of the first protective cover 142 and the second protective cover 143, a dragging groove is formed in the first protective cover 142, the dragging groove can limit the second protective cover 143, the second protective cover 143 is dragged out of the first protective cover 142 through dragging a fixing column, and when the fixing column 141 is dragged to the other end of the through groove 144, the polishing wheel 13 is protected;

the inner wall of the motor box 3 is attached with silencing cotton 7, two groups of sliding blocks 18 are arranged, the two groups of sliding blocks 18 are fixedly connected to two sides of the bottom of the motor box 3, the working table 1 is fixedly provided with a hose lamp 4, the working table 1 is provided with a collecting box 2, and the front side of the collecting box 2 is fixedly connected with a handle 9;

through the setting of amortization cotton 7, rotate produced noise by motor 6 and fall the noise of making an uproar through amortization cotton 7, can the effectual noise that reduces motor 6 rotation and send, amortization cotton 7 sets up to the polyester fiber amortization cotton, and hose lamp 4 can throw light on, and collecting box 2 can collect the waste material that produces when polishing, and handle 9 conveniently pulls out collecting box 2.

The working principle is as follows: when the polishing machine is used, the motor 6 works, the output shaft of the motor 6 rotates to drive the polishing wheel 13 to rotate, the hose lamp 4 can illuminate the polishing wheel 13, the first protective cover 142 is fixedly arranged on the support tube 8, the first protective cover 142 is internally provided with the dragging groove, the dragging groove can limit the second protective cover 143, the second shield 143 is pulled out from the inside of the first shield 142 by pulling the fixing post 141, and when the fixing post 141 is pulled out to the other end of the through groove, therefore, the polishing wheel 13 is protected, the hand wheel 15 is rotated to rotate the screw rod 16, the screw rod nut 17 is fixedly arranged at the bottom of the motor box 3, the screw rod 16 rotates to drive the motor box 3 to move through the screw rod nut 17, when the polishing wheel 13 needs to be replaced, the hand screw 11 fixedly mounted on the first protection cover 142 is unscrewed, and the polishing wheel 13 can be replaced after the first protection cover 142 is removed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a device of sanding needle point drill bit, includes workstation (1), motor case (3) and protector (14), its characterized in that: a sliding block (18) is arranged at the bottom of the motor box (3), a fixing screw (10) is arranged on the motor box (3), the motor box (3) is fixedly installed on the sliding block (18) through the fixing screw (10), the sliding block (18) is slidably installed on a guide rail (5), a motor (6) is fixedly installed inside the motor box (3), an output shaft of the motor (6) extends to the outside of the motor box (3), a polishing wheel (13) is movably connected to the output shaft of the motor (6), a supporting tube (8) is fixedly connected to the outside of the motor box (3), and a protective device (14) is fixedly installed on the supporting tube (8);

the protection device (14) comprises a fixing column (141), a first protection cover (142), a second protection cover (143) and a through groove (144), the through groove (144) is formed in the first protection cover (142), the second protection cover (143) is rotatably installed inside the first protection cover (142), the fixing column (141) is fixedly connected onto the second protection cover (143), a hand-screwed screw (11) is arranged on the first protection cover (142), a screw hole (12) is formed in the support pipe (8), and the first protection cover (142) is fixedly installed on the support pipe (8) through the hand-screwed screw (11) in a matching mode with the screw hole (12).

2. An apparatus for sharpening a needlepoint drill as claimed in claim 1, in which: the guide rail (5) is provided with a screw rod (16), and the screw rod (16) is movably arranged at the center of the guide rail (5).

3. An apparatus for sharpening a needlepoint drill as claimed in claim 2, in which: fixedly connected with hand wheel (15) on one end of lead screw (16), screw-nut (17) is installed to the screw thread on lead screw (16), screw-nut (17) fixed mounting is in the bottom of motor case (3).

4. An apparatus for sharpening a needlepoint drill as claimed in claim 1, in which: two groups of through grooves (144) are symmetrically formed in the first protective cover (142), two groups of fixing columns (141) are arranged, and the two groups of fixing columns (141) penetrate through the two groups of through grooves (144) and are fixedly connected to the second protective cover (143).

5. An apparatus for sharpening a needlepoint drill as claimed in claim 1, in which: the inner wall laminating of motor case (3) has amortization cotton (7), slider (18) are provided with two sets ofly, two sets of slider (18) fixed connection is in the both sides of motor case (3) bottom.

6. An apparatus for sharpening a needlepoint drill as claimed in claim 1, in which: the hose lamp (4) is fixedly mounted on the workbench (1), the collecting box (2) is arranged on the workbench (1), and a handle (9) is fixedly connected to the front side of the collecting box (2).

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