CN213319127U - Drilling mechanism for bench drilling machine - Google Patents

Abstract

The utility model discloses a drilling mechanism for bench drill relates to the drilling mechanism field, the front including the drilling machine body is provided with the disk, and the fixed interlude of outer wall of disk is connected with the annular piece, and the rotation groove has been seted up at the top of annular piece, and the inner chamber in rotation groove is provided with the turning block, and logical groove has been seted up to one side fixedly connected with connecting plate of turning block on the connecting plate, and the inner chamber that leads to the groove is provided with the shielding plate, the first stopper of top fixedly connected with of shielding plate. The utility model discloses utilize annular piece, shielding plate, connecting plate and turning block matched with to set up the mode, utilize the rotation of turning block on the annular piece to be favorable to adjusting the position of shielding plate, the shielding plate uses the drill bit as the centre of a circle, can be circular motion, is favorable to sheltering from the drill bit, avoids the workman mistake to touch and leads to the injury, and the slip of shielding plate on the connecting plate is favorable to not influencing the drill bit and drills downwards, the operation of being convenient for.

Description

Drilling mechanism for bench drilling machine

Technical Field

The utility model relates to a drilling mechanism field, in particular to drilling mechanism for bench drill.

Background

Under the pressure of many machines, bench drills, which are small drills known in the industry as bench drills, can be placed on a table and then the spindle is arranged vertically, as the name suggests, the diameter of the drilled hole is generally below 13 mm, generally not more than 25 mm, but the spindle feed is operated manually.

Bench drill is when driling the work piece, with the fixed back of work piece, manual operation is feeding motion with the drill bit downwards to accomplish the drilling to the work piece, add man-hour to the work piece when the drill bit, the drill bit can be high-speed rotatory under the drive of motor, then the drill bit exposes outside, if the workman mistake touches, the consequence is extremely serious, can lead to workman's hand injury, the piece can splash during drilling, can not shelter from the protection to the drill bit, has the limitation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drilling mechanism for bench drill 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: the utility model provides a drilling mechanism for bench drill, includes the front of drilling machine body is provided with the disk, the below of disk is provided with the drill bit the outer wall fixed interlude of disk is connected with the annular piece, the rotation groove has been seted up at the top of annular piece, the inner chamber in rotation groove is provided with the turning block, one side fixedly connected with connecting plate of turning block, logical groove has been seted up on the connecting plate, the inner chamber that leads to the groove is provided with the shielding plate, the first stopper of top fixedly connected with of shielding plate, just the shielding plate slides and alternates with the inner chamber that leads to the groove and is connected.

Preferably, a plurality of clamping grooves are formed in the two sides of the inner wall of the rotating groove at equal intervals, clamping blocks are fixedly connected to the two sides of the rotating block, the clamping blocks are connected with the inner cavities of the clamping grooves in a sliding and penetrating mode, the clamping blocks are trapezoidal blocks, and the clamping grooves are trapezoidal grooves.

Preferably, the both sides side of shielding plate all fixedly connected with deflector, the guide way has all been seted up to the both sides side that leads to the inslot wall, the deflector is connected with the inner chamber sliding interlude of guide way.

Preferably, both sides of the bottom of the shielding plate are fixedly connected with second limiting blocks, grooves are formed in the second limiting blocks, and buffer plates are arranged in inner cavities of the grooves.

Preferably, the top end of the buffer plate is fixedly connected with a spring, and one end of the spring is fixedly connected with the top end of the inner wall of the groove.

Preferably, the limiting groove has all been seted up to the both sides of recess inner wall, the equal fixedly connected with third stopper in both sides of buffer board, the inner chamber sliding alternate connection of third stopper and limiting groove.

The utility model discloses a technological effect and advantage:

(1) the utility model discloses utilize annular block, shielding plate, connecting plate and turning block matched with mode of setting, when drilling to the work piece, utilize the rotation of turning block on the annular block, thereby be favorable to adjusting the position of shielding plate, the shielding plate uses the drill bit as the centre of a circle, can do circular motion, thereby be convenient for the workman to adjust the position that the shielding plate sheltered from the drill bit according to the demand of oneself, be favorable to sheltering from the drill bit, avoid the workman to miss to touch and lead to the injury, the slip of shielding plate on the connecting plate is favorable to not influencing the drill bit and drills downwards, be convenient for operate;

(2) the utility model discloses utilize buffer board and spring matched with to set up the mode, when through pushing down, when drilling drill bit and work piece, the bottom and the work piece of shielding plate contact, and then the shielding plate slides on the connecting plate, and when the surface of buffer board and work piece contacted, the buffer board was because extrusion upward movement to the spring produces decurrent elasticity to the buffer board, was favorable to being convenient for to the stress that reduces buffer board and work piece contact, was convenient for the protection to the drill bit.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure of the turning block of the present invention.

Fig. 3 is a front sectional structural schematic view of the ring block of the present invention.

Fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a drilling machine body; 2. a round block; 3. a ring block; 4. a shielding plate; 5. rotating the block; 6. A first stopper; 7. a connecting plate; 8. a guide plate; 9. a second limiting block; 10. a card slot; 11. a buffer plate; 12. a rotating groove; 13. a clamping block; 14. a spring; 15. and a third limiting block.

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.

The utility model provides a drilling mechanism for bench drill shown in figures 1-4, which comprises a drill body 1, the front of the drill body 1 is provided with a round block 2, the round block 2 is favorable for fixing a drill bit, and is a workpiece on the drill body 1, the drill bit is arranged below the round block 2, the outer wall of the round block 2 is fixedly and alternately connected with an annular block 3, the annular block 3 is provided with a through hole, the round block 2 is fixedly and alternately connected with the inner cavity of the through hole, the annular block 3 is favorable for the rotating block 5 to move circularly at the top end, thereby being convenient for adjusting the position of a baffle plate 4, being convenient for the worker to adjust the baffle plate 4 according to the own requirement, the top of the annular block 3 is provided with a rotating groove 12, the rotating groove 12 is favorable for the rotating block 5 to slide in the inner cavity of the rotating block, and is favorable for limiting the position of the rotating block 5, the, the rotating block 5 rotates on the annular block 3, so that the shielding plate 4 can do circular motion by taking the drill bit as the center of a circle, one side of the rotating block 5 is fixedly connected with a connecting plate 7, the connecting plate 7 is beneficial to the shielding plate 4 to slide on the connecting plate, meanwhile, the baffle plate 4 can be driven to rotate, the connecting plate 7 is provided with a through groove, the baffle plate 4 can slide up and down in the inner cavity of the connecting plate, the baffle plate 4 is arranged in the inner cavity of the through groove, the baffle plate 4 can shield the drill bit when rotating at high speed, and the error touch of workers on the drill bit can be avoided, simultaneously be favorable to adding man-hour to the work piece sheltering from to the piece, avoid the piece to splash the workman on one's body, be convenient for to workman's protection, the first stopper 6 of top fixedly connected with of shielding plate 4 is favorable to prescribing a limit to the position of shielding plate 4, avoids shielding plate 4 to drop from the inner chamber that leads to the groove, and shielding plate 4 and the inner chamber that leads to the groove slide and alternate and be connected.

A plurality of draw-in grooves 10 have been seted up to the equal equidistance in both sides of rotating groove 12 inner wall, are favorable to prescribing a limit to the position of fixture block 13, and the equal fixedly connected with fixture block 13 in both sides of turning block 5 is favorable to prescribing a limit to the position of turning block 5 to avoid turning block 5 rotation to appear, fixture block 13 is connected with the inner chamber sliding interlude of draw-in groove 10, and fixture block 13 is trapezoidal piece, and draw-in groove 10 is the dovetail groove.

The equal fixedly connected with deflector 8 in both sides side of shielding plate 4 is favorable to providing the effect of direction to the direction of motion of shielding plate 4, leads to the both sides side of inslot wall and has all seted up the guide way, is favorable to deflector 8 to slide at its inner chamber, and deflector 8 alternates with the inner chamber sliding of guide way to be connected.

The equal fixedly connected with second stopper 9 in both sides of shielding plate 4 bottom, second stopper 9 are favorable to prescribing a limit to the position of shielding plate 4, and when avoiding shielding plate 4 to reach the bottom, shielding plate 4 breaks away from with the inner chamber that leads to the groove mutually, has seted up flutedly on the second stopper 9, and the inner chamber of recess is provided with buffer board 11, is favorable to the pressure when reducing shielding plate 4 and the contact of work piece, is convenient for cushion shielding plate 4.

The top fixedly connected with spring 14 of buffer board 11 is favorable to producing elasticity to buffer board 11 to be favorable to buffering shielding plate 4, reduce the pressure of shielding plate 4 and work piece contact, the one end of spring 14 and the top fixed connection of recess inner wall.

The spacing groove has all been seted up to recess inner wall's both sides, is favorable to prescribing a limit to the position of third stopper 15, and the equal fixedly connected with third stopper 15 in both sides of buffer board 11 is favorable to prescribing a limit to the position of buffer board 11, avoids buffer board 11 to break away from mutually with the inner chamber of recess because of spring 14's elasticity, and third stopper 15 alternates with the inner chamber of spacing groove in a sliding manner and is connected.

The utility model discloses the theory of operation:

when adding man-hour to the work piece, fix the work piece on drilling machine body 1, then begin to drill to the work piece, manual operation rotates the wheel, thereby with drill bit downstream, try out the best point of punching, then adjust the position of turning block 5 on annular piece 3, through promoting connecting plate 7, thereby drive turning block 5 and rotate at the inner chamber that rotates groove 12, fixture block 13 extrudees with the inner wall that rotates groove 12, continuous and the inner chamber joint of draw-in groove 10, after confirming the position, fixture block 13 and the inner chamber joint of the draw-in groove 10 that corresponds position department, thereby the position of turning block 5 is injectd.

When beginning to bore the work piece, manual operation moves the drill bit downstream, then the bottom of shielding plate 4 contacts with the surface of work piece earlier, then the drill bit contacts with the work piece, thereby shielding plate 4 slides on connecting plate 7, and the inner chamber with logical groove slides and alternates and be connected, then deflector 8 is at the inner chamber motion of guide way, after the drill bit reachs a certain position, buffer plate 11 contacts with the surface of work piece, thereby buffer plate 11 is to the inner chamber motion of recess, spring 14 produces decurrent elasticity to buffer plate 11, and then when the drill bit continues to drill downwards, can slow down the pressure of shielding plate 4, avoid influencing the drill bit and punch.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

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 drilling mechanism for bench drill, includes drilling machine body (1), its characterized in that, the front of drilling machine body (1) is provided with circle piece (2), the below of circle piece (2) is provided with the drill bit, the outer wall fixed interlude of circle piece (2) is connected with annular block (3), rotation groove (12) have been seted up at the top of annular block (3), the inner chamber that rotates groove (12) is provided with turning block (5), one side fixedly connected with connecting plate (7) of turning block (5), logical groove has been seted up on connecting plate (7), the inner chamber that leads to the groove is provided with shielding plate (4), the first stopper (6) of top fixedly connected with of shielding plate (4), just shielding plate (4) and the inner chamber that leads to the groove slide and alternate and be connected.

2. The drilling mechanism for the bench drill as claimed in claim 1, wherein a plurality of slots (10) are equidistantly formed on both sides of the inner wall of the rotating groove (12), clamping blocks (13) are fixedly connected to both sides of the rotating block (5), the clamping blocks (13) are slidably inserted into and connected with the inner cavities of the slots (10), the clamping blocks (13) are trapezoidal blocks, and the slots (10) are trapezoidal grooves.

3. The drilling mechanism for the bench drilling machine as claimed in claim 1, wherein the two sides of the shielding plate (4) are fixedly connected with guide plates (8), the two sides of the inner wall of the through groove are respectively provided with a guide groove, and the guide plates (8) are slidably inserted into the inner cavity of the guide grooves.

4. The drilling mechanism for the bench drilling machine as claimed in claim 1, wherein a second limiting block (9) is fixedly connected to each of two sides of the bottom of the shielding plate (4), a groove is formed in the second limiting block (9), and a buffer plate (11) is arranged in an inner cavity of the groove.

5. Drilling mechanism according to claim 4, characterized in that the top of the buffer plate (11) is fixedly connected with a spring (14), and one end of the spring (14) is fixedly connected with the top of the inner wall of the groove.

6. The drilling mechanism for the bench drill as claimed in claim 4, wherein the inner wall of the groove is provided with a limiting groove on both sides, the buffer plate (11) is fixedly connected with a third limiting block (15) on both sides, and the third limiting block (15) is slidably inserted into the inner cavity of the limiting groove.

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