CN210359352U

CN210359352U - Drilling machine capable of quickly replacing drill bit

Info

Publication number: CN210359352U
Application number: CN201920624678.5U
Authority: CN
Inventors: 王铭汉
Original assignee: Langfang Meilan Xitong Machinery Manufacturing Co ltd
Current assignee: Langfang Meilan Xitong Machinery Manufacturing Co ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2020-04-21
Anticipated expiration: 2029-05-05

Abstract

The utility model relates to a drilling machine of quick replacement drill bit, the on-line screen storage device comprises a base, top one side fixedly connected with stand of base, just install the cylinder on the base, the output shaft top fixedly connected with workstation of cylinder, the through-hole has all been seted up to the both sides of workstation, and the interpolation has the gag lever post in the through-hole, the bottom fixed connection of gag lever post is on the base, its top fixedly connected with stopper, the cover is equipped with the sleeve pipe on the stand, just the top fixedly connected with fixed plate of stand, install first motor on the fixed plate, sheathed tube outer wall fixedly connected with rocking arm, the output shaft bottom fixed connection of first motor is on the rocking arm, the spout has been seted up to the preceding terminal surface of rocking arm, a plurality of locating hole has been seted up at the top of spout.

Description

Drilling machine capable of quickly replacing drill bit

Technical Field

The utility model relates to a drilling machine equipment technical field specifically is a drilling machine of quick replacement drill bit.

Background

The drilling machine is a machine tool which mainly uses a drill to machine a hole on a workpiece. Typically the drill bit is rotated into a primary motion and the drill bit is moved axially into a feed motion. The drilling machine is simple in structure, relatively low in machining precision, capable of drilling through holes and blind holes, replacing special cutters, and capable of expanding, reaming or tapping and the like. In the machining process, the workpiece is fixed, the cutter moves, the center of the cutter is aligned with the center of the hole, and the cutter rotates (main motion). The drill bit can become dull after long-time the use, influences the precision and the efficiency of drilling, consequently need often to change the drill bit, and the drilling machine on the existing market designs for the integration mostly, and its drill bit is comparatively inseparable with the installation of drilling machine itself, and it is very inconvenient to change to work efficiency has been reduced, and the drill bit after the change is fixed not firm enough, takes place to rock easily behind the atress, thereby influences machining precision, production error.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in that it is inconvenient to overcome prior art's drilling machine change drill bit, and the defect that work efficiency is low provides a drilling machine of quick replacement drill bit. The drilling machine with the drill bit capable of being replaced quickly has the advantages of being reasonable in structural design, convenient to replace, high in stability, not prone to shaking and the like.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drilling machine of quick replacement drill bit, includes the base, top one side fixedly connected with stand of base, just install the cylinder on the base, the output shaft top fixedly connected with workstation of cylinder, the through-hole has all been seted up to the both sides of workstation, and it has the gag lever post to insert in the through-hole, the bottom fixed connection of gag lever post is on the base, and its top fixedly connected with stopper, the cover is equipped with the sleeve pipe on the stand, just the top fixedly connected with fixed plate of stand, install first motor on the fixed plate, sheathed tube outer wall fixedly connected with rocking arm, the output shaft bottom fixed connection of first motor is on the rocking arm, the spout has been seted up to the preceding terminal surface of rocking arm, a plurality of locating hole has been seted up at the top of spout, the cover.

Preferably, the inner wall of the spindle box is fixedly connected with a sliding block, the sliding block is located in a sliding groove, a threaded pipe is arranged at the top of the spindle box, a bolt is connected to the threaded pipe in a threaded mode, the bolt penetrates through a positioning hole in the top of the sliding groove, a second motor is installed on the spindle box, and the bottom end of an output shaft of the second motor is fixedly connected with a drill box.

Preferably, the inner wall surface of one side of the spindle box, which is far away from the sliding block, is fixedly connected with a plurality of pairs of wheel frames, a wheel shaft is fixedly connected between each pair of the wheel frames, and a shaft body of the wheel shaft is movably connected with a roller.

Preferably, the mounting groove has been seted up at the inner chamber top of drill bit case, and the through-hole has been seted up to its bottom, the drill bit has been inserted in the mounting groove, the drill bit passes the through-hole and extends to outside the drill bit case, just the both sides of drill bit all are provided with the anchor block, the lateral wall both sides fixedly connected with spring of anchor block, the other end fixed connection of spring is at the inner wall of drill bit case, the both sides lateral wall of drill bit case all sets up threaded hole, threaded hole female connection has the threaded rod, the one end fixedly connected with crank of threaded rod, the below of drill bit case is provided with spacing pipe, spacing pipe box is established on the drill bit, the equal fixedly connected with mount of its both sides outer wall, the other end fixed connection of mount is in the.

Preferably, the reinforcing block is arc-shaped, a layer of rubber gasket is arranged on the surface of the inner wall of the reinforcing block, and herringbone anti-skid lines are carved on the surface of the rubber gasket.

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

1. the structure design is reasonable, and the drill bit of the drilling machine can be quickly replaced and installed, so that the working efficiency is improved;

2. the stability is high, and the drill bit is difficult for taking place to rock after changing to can effectively improve the drilling precision of drill bit, avoid producing the error.

Drawings

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

FIG. 2 is a schematic structural diagram of a spindle head;

FIG. 3 is a schematic view of the construction of the drill bit case;

fig. 4 is a structural view of a reinforcing block.

Reference numbers in the figures: the device comprises a base 1, a column 2, a cylinder 3, a workbench 4, a limiting rod 5, a limiting block 7, a sleeve 8, a fixing plate 9, a first motor 10, a rocker arm 11, a sliding groove 12, a positioning hole 13, a spindle box 14, a sliding block 15, a threaded pipe 16, a bolt 17, a second motor 18, a drill bit box 19, a wheel frame 20, a wheel shaft 21, a roller 22, an installation groove 23, a drill bit 24, a reinforcing block 25, a spring 26, a threaded hole 27, a threaded rod 28, a crank 29, a limiting pipe 30 and a fixing frame 31.

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 drilling machine capable of quickly replacing a drill bit comprises a base 1, wherein one side of the top of the base 1 is fixedly connected with a stand column 2, the base 1 is provided with a cylinder 3, the cylinder 3 is externally connected with a power supply through a lead, the top end of an output shaft of the cylinder is fixedly connected with a workbench 4, both sides of the workbench 4 are provided with through holes, a limiting rod 5 is inserted into each through hole, the bottom end of the limiting rod 5 is fixedly connected with a base 6, the top end of the limiting rod 5 is fixedly connected with a limiting block 7, the limiting block 7 can play a role of blocking to prevent the workbench 4 from being separated from the limiting rod 5, the stand column 2 is sleeved with a sleeve 8, the top end of the stand column 2 is fixedly connected with a fixing plate 9, the fixing plate 9 is provided with a first motor 10, the first motor 10 is externally connected with the power supply through a lead, the outer wall of the, the top of the sliding chute 12 is provided with a plurality of positioning holes 13, the rocker arm 11 is sleeved with a main shaft box 14, the inner wall of the main shaft box 14 is fixedly connected with a slide block 15, the slide block 15 is positioned in the sliding chute 12, the top of the main shaft box 14 is provided with a threaded pipe 16, the threaded pipe 16 is connected with a bolt 17 in a threaded manner, the bolt 17 penetrates through the positioning hole 13 at the top of the sliding chute 12, the inner wall surface of one side of the main shaft box 14 away from the slide block 15 is fixedly connected with a plurality of pairs of wheel carriers 20, a wheel shaft 21 is fixedly connected between each pair of wheel carriers 20, the shaft body of the wheel shaft 21 is movably connected with a roller 22, the roller 22 is contacted with the side wall of the rocker arm 11, the stability of the main shaft box 14 can be improved by utilizing the rolling action of the roller 22, the main shaft box 14 is prevented from shaking during, the bottom of the drill bit box is provided with a through hole, a drill bit 24 is inserted into the mounting groove 23, the drill bit 24 passes through the through hole and extends out of the drill bit box 19, reinforcing blocks 25 are arranged on two sides of the drill bit 24, each reinforcing block 25 is arc-shaped and can be attached to the side wall of the drill bit 24, a layer of rubber gasket is arranged on the surface of the inner wall of each reinforcing block, herringbone anti-skidding lines are carved on the surface of each rubber gasket, the friction force between each reinforcing block 25 and the drill bit 24 can be increased, so that the drill bit 24 is fixed in the mounting groove 23 and prevented from falling off, springs 26 are fixedly connected to two sides of the side wall of each reinforcing block 25, the other ends of the springs 26 are fixedly connected to the inner wall of the drill bit box 19, threaded holes 27 are formed in the side walls of two sides of the drill bit box 19, threaded rods 28 are in threaded holes 27 in threaded connection, a crank 29 is fixedly, the other end of the fixing frame 31 is fixedly connected to the bottom of the drill box 19, and the stability of the drill 24 can be improved by using the limiting pipe 30, so that the drill is prevented from shaking during drilling to influence the drilling precision.

The working principle is as follows: when the utility model is used, the drill bit 24 passes through the through hole at the bottom of the drill bit box 19 and is inserted into the mounting groove 23, then the crank 29 is held and rotated to drive the threaded rod 28 to move inwards until the tail end of the crank drives the reinforcing block 25 and tightly supports the reinforcing block against the side wall of the drill bit 24, thereby the drill bit 24 is fixed in the mounting groove 23, then the second motor 18 is driven by the external power supply to drive the drill bit box 19 to rotate, the workpiece to be processed is placed on the workbench 4, the cylinder 3 is driven by the external power supply to drive the workbench 4 to move upwards along the limiting rod 5 until the surface of the workpiece is contacted with the drill bit 24, thereby the workpiece can be drilled by the drill bit 24, and the spindle box 14 can move left and right along the rocker arm 11 during drilling, the horizontal position of the spindle box 14 can be fixed by screwing the bolt 17 into the positioning hole 13 at the corresponding position, thereby the horizontal position of the drilling point can be, meanwhile, the first motor 10 can be driven by an external power supply to drive the rocker arm 11 and the sleeve 8 to rotate around the upright post 2, so that the position of a drilling point can be further adjusted; when the drill bit 24 needs to be replaced, the crank 29 is rotated to enable the reinforcing block 25 to be separated from the drill bit 24, then the drill bit 24 is pulled out of the mounting groove 23, then a new drill bit 24 is inserted into the mounting groove 23, and then the crank 29 is rotated again to enable the reinforcing block 25 to be tightly abutted to the outer wall of the drill bit 24, so that the replacement and the installation of the drill bit 24 can be completed quickly.

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

1. A drilling machine capable of rapidly replacing drill bits comprises a base (1) and is characterized in that: the automatic lifting device is characterized in that a stand column (2) is fixedly connected to one side of the top of a base (1), a cylinder (3) is installed on the base (1), a workbench (4) is fixedly connected to the top end of an output shaft of the cylinder (3), through holes are formed in the two sides of the workbench (4), a limiting rod (5) is inserted into each through hole, the bottom end of each limiting rod (5) is fixedly connected to the base (1), a limiting block (7) is fixedly connected to the top end of each limiting rod, a sleeve (8) is sleeved on the stand column (2), a fixing plate (9) is fixedly connected to the top end of the stand column (2), a first motor (10) is installed on the fixing plate (9), a rocker arm (11) is fixedly connected to the outer wall of the sleeve pipe (8), the bottom end of an output shaft of the first motor (10) is fixedly connected to the rocker arm (11, a plurality of positioning holes (13) are formed in the top of the sliding groove (12), and a spindle box (14) is sleeved on the rocker arm (11).

2. The drill press with quick change bits of claim 1, wherein: the inner wall of the spindle box (14) is fixedly connected with a sliding block (15), the sliding block (15) is located in the sliding groove (12), a threaded pipe (16) is arranged at the top of the spindle box (14), a bolt (17) is connected to the threaded pipe (16) in an internal thread mode, the bolt (17) penetrates through a positioning hole (13) in the top of the sliding groove (12), a second motor (18) is installed on the spindle box (14), and the bottom end of an output shaft of the second motor (18) is fixedly connected with a drill box (19).

3. The drill press with quick change bits of claim 1, wherein: the inner wall surface of one side, far away from the sliding block (15), of the spindle box (14) is fixedly connected with a plurality of pairs of wheel frames (20), a wheel shaft (21) is fixedly connected between each pair of wheel frames (20), and a roller (22) is movably connected with the shaft body of the wheel shaft (21).

4. The drill press with quick change bits of claim 2, wherein: the drill bit box is characterized in that a mounting groove (23) is formed in the top of an inner cavity of the drill bit box (19), a through hole is formed in the bottom of the inner cavity of the drill bit box (19), a drill bit (24) is inserted into the mounting groove (23), the drill bit (24) penetrates through the through hole and extends out of the drill bit box (19), reinforcing blocks (25) are arranged on two sides of the drill bit (24), springs (26) are fixedly connected to two sides of a side wall of each reinforcing block (25), the other end of each spring (26) is fixedly connected to the inner wall of the drill bit box (19), threaded holes (27) are formed in two side walls of the drill bit box (19), threaded rods (28) are in threaded connection with the threaded holes (27), a crank (29) is fixedly connected to one end of each threaded rod (28), a limiting pipe (30) is arranged below the drill bit box (19), the limiting pipe (30) is sleeved, the other end of the fixing frame (31) is fixedly connected to the bottom of the drill bit box (19).

5. The drill press with quick change bits of claim 4, wherein: the reinforcing block (25) is arc-shaped, a layer of rubber gasket is arranged on the surface of the inner wall of the reinforcing block, and herringbone anti-skidding lines are carved on the surface of the rubber gasket.