CN112247179A

CN112247179A - Continuous drilling machine for machining

Info

Publication number: CN112247179A
Application number: CN202010997021.0A
Authority: CN
Inventors: 刘勇; 罗刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-21
Filing date: 2020-09-21
Publication date: 2021-01-22

Abstract

The invention discloses a continuous drilling machine for machining.A stand column is vertically fixed on the side wall of a bedplate through a bolt, and a top part is horizontally fixed at the top of the stand column; a drill bit for drilling a workpiece is vertically arranged below the top piece, a power structure for driving the drill bit to drill in a rotating manner is mounted on the top piece, and the power structure is connected with the drill bit through a transmission assembly; the drill bit is driven to continuously rotate by virtue of the work of the power structure, the drill bit is driven to rotate in a single direction and lift and drill holes back and forth by the driving assembly when the power structure works, and the drill bit can rotate and lift while being driven to rotate under the action of the transmission assembly; when the power structure works, the traveling mechanism is utilized to drive the sliding plate and the workpieces placed on the sliding plate to be fed discontinuously along the sliding rail, when the height of the workpieces is raised on the drill bit, the traveling mechanism drives the next workpiece to move to the position below the drill bit, then the workpiece is stopped to be driven to move, the drill bit moves downwards to drill holes, and continuous mechanical drilling is achieved.

Description

Continuous drilling machine for machining

Technical Field

The invention relates to mechanical drilling equipment, in particular to a continuous drilling machine for machining.

Background

Due to the requirements of assembling and installing workpieces, forming holes need to be drilled on two sides of various plates, including sheet metal drilling and steel plate drilling, and the conventional drilling process adopts a mode of drilling holes by manual drilling or gang drilling.

Specifically, a straight hole or a countersunk hole is drilled at one side of a metal plate, and the plate is generally drilled by adopting a manual drilling machine or a gang drill drilling machine, but if a plurality of holes which are distributed equidistantly on a panel need to be drilled, the drilling becomes extremely complicated, and the position needs to be frequently adjusted.

Therefore, it is necessary to develop an apparatus capable of automatically and continuously drilling holes at equal intervals to overcome the above technical problems.

Disclosure of Invention

Based on the defects in the prior art mentioned in the background, the invention provides a continuous drilling machine for machining.

The invention overcomes the technical problems by adopting the following technical scheme, and specifically comprises the following steps:

a continuous drilling machine for machining comprises a bedplate, wherein a stand column is vertically fixed on the side wall of the bedplate through a bolt, and a top part is horizontally fixed at the top of the stand column; a drill bit for drilling a workpiece is vertically arranged below the top part, a power structure for driving the drill bit to drill in a rotating manner is mounted on the top part, and the power structure is connected with the drill bit through a transmission assembly;

a vertical driving assembly used for driving the drill bit to reciprocate up and down is further arranged between the power structure and the drill bit, a sliding plate used for driving the workpiece to feed intermittently is horizontally and movably arranged on the bedplate, and the sliding plate is connected with the power structure through a traveling mechanism.

As a further scheme of the invention: the power structure comprises a servo motor arranged on the top part and a worm vertically arranged below the top part and connected with the output end of the servo motor; the worm passes through the top piece and is connected with the top piece through a bearing.

As a still further scheme of the invention: the transmission assembly comprises a driving disc coaxially and fixedly mounted at the lower end of the worm, a driven disc coaxially arranged below the driving disc, a sliding rod used for connecting the driving disc and the driven disc, and a lifting shaft coaxially fixed at the lower part of the driven disc;

the two sliding rods are symmetrically arranged at the eccentric position of the lower part of the driving disc, the driven disc is provided with two through holes which are correspondingly matched with the sliding rods in a sliding manner, and the drill bit is coaxially fixed at the lower part of the lifting shaft.

As a still further scheme of the invention: the drive assembly comprises a connecting piece which is rotatably connected with the lower part of the lifting shaft, a guide structure which is used for vertically and movably connecting the connecting piece with the top piece, a bevel gear set which is connected with the worm, and a crank block structure which is used for connecting the bevel gear set with the connecting piece.

As a still further scheme of the invention: the guide structure comprises a sleeving part vertically fixed below the top part and a limiting part vertically sleeved on the lower part of the sleeving part in a sliding manner; the lower part of the limiting piece is fixed with the connecting piece;

the bevel gear set comprises a first bevel gear fixed on the worm and a second bevel gear meshed with the first bevel gear.

As a still further scheme of the invention: the crank sliding block structure comprises a rotating shaft, a rotating wheel and a connecting rod, wherein the rotating shaft penetrates through the upper part of the sleeving part and is in rotating connection with the sleeving part;

the second bevel gear is fixed at the other end of the rotating shaft, one end of the connecting rod is rotatably sleeved at the eccentric position of the rotating wheel, and the other end of the connecting rod is hinged with the connecting piece.

As a still further scheme of the invention: the walking mechanism comprises a worm wheel which is rotatably arranged below the top part and is meshed with the worm, a residual gear which is rotatably arranged at the lower part of the upright post and is connected with the worm wheel through a transmission part, and a rack plate which is horizontally fixed on the sliding plate;

the outer edge of the residual gear is provided with a smooth toothed part, and the toothed part is matched with the teeth on the rack plate.

As a still further scheme of the invention: two corner wheels are rotatably mounted on the upper portion of the upright post, the transmission piece is in rolling contact with the two corner wheels, the number of the residual gears is two, the two residual gears are coaxially fixed through a fixed shaft, and the number of the rack plates is two and is respectively fixed on two sides of the sliding plate;

the sliding plate is provided with two parallel barrier strips.

After adopting the structure, compared with the prior art, the invention has the following advantages: the drill bit is driven to continuously rotate by virtue of the work of the power structure, the drill bit is driven to rotate in a single direction and lift and drill holes back and forth by the driving assembly when the power structure works, and the drill bit can rotate and lift while being driven to rotate under the action of the transmission assembly; when the power structure works, the traveling mechanism is utilized to drive the sliding plate and the workpieces placed on the sliding plate to be fed discontinuously along the sliding rail, when the height of the workpieces is raised on the drill bit, the traveling mechanism drives the next workpiece to move to the position below the drill bit, then the workpiece is stopped to be driven to move, the drill bit moves downwards to drill holes, and continuous mechanical drilling is achieved.

Drawings

Fig. 1 is a schematic structural view of a continuous drilling machine for machining.

Fig. 2 is a schematic view showing the structure of a slide plate and a rack plate and a barrier strip in a continuous boring machine for machining.

Fig. 3 is a schematic view showing the construction of a residual gear and a fixed shaft in a continuous boring machine for machining.

In the figure: 1-a bedplate; 2-upright post; 3-a top piece; 4-a servo motor; 5-a worm; 6-driving disk; 7-a slide bar; 8-a driven disc; 9-a lifting shaft; 10-a connector; 11-a drill bit; 12-a first bevel gear; 13-a second bevel gear; 14-a rotating wheel; 15-a connecting rod; 16-a nesting component; 17-a limit stop; 18-a worm gear; 19-a transmission member; 20-a corner wheel; 21-a spur gear; 22-a rack plate; 23-a slide plate; 24-a slide rail; 25-a barrier strip; 26-fixed axis.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 3, in an embodiment of the present invention, a continuous drilling machine for machining includes a platen 1, a column 2 is vertically fixed on a sidewall of the platen 1 through a bolt, and a top member 3 is horizontally fixed on a top of the column 2; a drill bit 11 for drilling a workpiece is vertically arranged below the top part 3, a power structure for driving the drill bit 11 to drill in a rotating manner is mounted on the top part 3, and the power structure is connected with the drill bit 11 through a transmission assembly; a vertical driving assembly for driving the drill bit 11 to reciprocate up and down is further arranged between the power structure and the drill bit 11, a sliding plate 23 for driving the workpiece to intermittently feed is horizontally and movably arranged on the bedplate 1, and the sliding plate 23 is connected with the power structure through a traveling mechanism; a plurality of slide rails 24 are horizontally fixed on the bedplate 1, and through holes for sliding and sleeving with the slide rails 24 are horizontally formed on the slide plates 23;

the drill bit 11 is driven to continuously rotate by virtue of the work of the power structure, the drill bit 11 is driven to rotate in a single direction and lift and drill holes back and forth by the driving assembly when the power structure works, and the drill bit 11 can rotate and lift under the action of the transmission assembly; when the power structure works, the traveling mechanism is utilized to drive the sliding plate 23 and workpieces placed on the sliding plate 23 to intermittently feed along the sliding rail 24, when the height of the workpiece is raised on the drill bit 11, the traveling mechanism drives the next workpiece to move to the position below the drill bit 11, then the workpiece is stopped to be driven to move, the drill bit 11 moves downwards to drill holes, and continuous mechanical drilling is achieved.

In one embodiment of the invention, the power structure comprises a servo motor 4 mounted on the top part 3 and a worm 5 vertically mounted below the top part 3 and connected with the output end of the servo motor 4; the worm 5 penetrates through the top part 3 and is connected with the top part through a bearing;

the transmission assembly, the driving assembly and the travelling mechanism are connected with the worm 5;

when the servo motor 4 is electrified to work, the worm 5 is driven to rotate, the rotating worm 5 drives the drill bit 11 to rotate by means of the transmission assembly, meanwhile, the driving assembly drives the drill bit 11 to reciprocate up and down while rotating, and the traveling mechanism drives the sliding plate 23 to intermittently and horizontally travel along the sliding rail 24.

In another embodiment of the present invention, the transmission assembly includes a driving disk 6 coaxially and fixedly mounted at the lower end of the worm 5, a driven disk 8 coaxially disposed below the driving disk 6, a sliding rod 7 for connecting the driving disk 6 and the driven disk 8, and a lifting shaft 9 coaxially fixed at the lower portion of the driven disk 8;

the two sliding rods 7 are symmetrically arranged at the eccentric position of the lower part of the driving disc 6, two through holes which are correspondingly matched with the sliding rods 7 in a sliding manner are formed in the driven disc 8, and the drill bit 11 is coaxially fixed at the lower part of the lifting shaft 9;

when the worm 5 rotates, the driving disc 6 is driven to rotate along with the worm, the rotating driving disc 6 drives the sliding rods 7 on the two sides to do circular motion, the two sliding rods 7 in the circular motion drive the driven disc 8 to rotate along with the driving disc 6 through the through holes, and finally the lifting shaft 9 and the drill bit 11 are driven to rotate along with the driving disc;

because the through hole is in sliding fit with the sliding rod 7, the drill bit 11 can still be driven to rotate along with the worm 5 when the driven disc 8, the lifting shaft 9 and the drill bit 11 lift up and down, so that the workpiece can be drilled from shallow to deep.

In yet another embodiment of the present invention, the driving assembly comprises a connecting member 10 rotatably connecting the lower portion of the elevating shaft 9, a guide structure for vertically movably connecting the connecting member 10 with the top member 3, a bevel gear set connecting the worm 5, and a crank slider structure for connecting the bevel gear set with the connecting member 10;

the lifting shaft 9 penetrates through the connecting piece 10 and is connected with the connecting piece through a bearing;

when the worm 5 rotates, the crank-slider structure is driven to act by the bevel gear set, and the crank-slider structure drives the connecting piece 10 to drive the lifting piece 9 and the drill bit 11 to reciprocate under the constraint of the guide structure.

In yet another embodiment of the present invention, the guiding structure comprises a sleeve member 16 vertically fixed below the top member 3 and a stopper member 17 vertically slidably fitted on the lower portion of the sleeve member 16; the lower part of the limiting piece 17 is fixed with the connecting piece 10;

the bevel gear set comprises a first bevel gear 12 fixed on the worm 5 and a second bevel gear 13 meshed with the first bevel gear 12;

the rotating worm 5 drives the first bevel gear 12 to rotate, the rotating first bevel gear 12 drives the second bevel gear 13 to rotate, so as to drive the slider-crank structure to move, and the slider-crank structure drives the connecting piece 10 and the limiting piece 17 to reciprocate up and down along the sleeving piece 16.

In another embodiment of the present invention, the slider-crank structure comprises a rotating shaft passing through the upper portion of the sleeve 16 and rotatably connected thereto, a rotating wheel 14 fixed at one end of the rotating shaft, and a connecting rod 15 for connecting the rotating wheel 14 and the connecting member 10;

the second bevel gear 13 is fixed at the other end of the rotating shaft, one end of the connecting rod 15 is rotatably sleeved at the eccentric position of the rotating wheel 14, and the other end of the connecting rod is hinged with the connecting piece 10;

the rotating second bevel gear 13 drives the rotating shaft and the rotating wheel 14 to rotate, and the rotating wheel 14 drives the connecting rod 15 to drive the connecting piece 10 and the limiting piece 17 to reciprocate up and down along the sleeving piece 16.

In a further embodiment of the present invention, the traveling mechanism comprises a worm wheel 18 rotatably installed below the top member 3 and engaged with the worm 5, a residual gear 21 rotatably disposed at a lower portion of the column 2 and connected to the worm wheel 18 by a transmission 19, and a rack plate 22 horizontally fixed to the slide plate 23;

the outer edge of the residual gear 21 is provided with a smooth toothed part, and the toothed part is matched with the teeth on the rack plate 22;

when the worm 5 rotates, the worm wheel 18 is driven to rotate, the rotating worm wheel 18 drives the residual gear 21 to rotate by the transmission piece 19, and the rack plate 22 and the sliding plate 23 are driven to slide along the sliding rail 24 when the toothed part on the residual gear 21 rotates to be in contact with the teeth on the rack plate 22.

In another embodiment of the present invention, two corner wheels 20 are rotatably mounted on the upper portion of the upright 2, the transmission member 19 is in rolling contact with the two corner wheels 20, and there are two residual gears 21, the two residual gears 21 are coaxially fixed by a fixed shaft 26, and there are two rack plates 22 respectively fixed on both sides of the sliding plate 23;

the sliding plate 23 is provided with two parallel barrier strips 25;

the transmission path of the transmission piece 19 is redirected through the corner wheel 20, so that the transmission piece 19 is prevented from interfering with the sliding rod 7, one of the residual gears 21 rotates to drive the fixed shaft 26 and the other residual gear 21 to rotate along with the rotation, and the two rack plates 22 are matched to drive the sliding plate 23 to run, so that the moving stability of the sliding plate 23 is improved;

the provision of two bars 25 ensures that the workpiece does not interfere with the rack plate 22.

The foregoing is merely illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary. But all changes which come within the scope of the invention are intended to be embraced therein.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Claims

1. A continuous drilling machine for machining comprises a bedplate (1), wherein a stand column (2) is vertically fixed on the side wall of the bedplate (1) through a bolt, a top part (3) is horizontally fixed at the top of the stand column (2), a drill bit (11) for drilling a workpiece is vertically arranged below the top part (3), a power structure for driving the drill bit (11) to rotatably drill is mounted on the top part (3), and the power structure is connected with the drill bit (11) through a transmission assembly;

a vertical driving assembly used for driving the drill bit (11) to reciprocate up and down is further arranged between the power structure and the drill bit (11), a sliding plate (23) used for driving the workpiece to feed discontinuously is horizontally and movably arranged on the bedplate (1), and the sliding plate (23) is connected with the power structure through a travelling mechanism;

a plurality of sliding rails (24) are horizontally fixed on the bedplate (1), and through holes for sliding and sleeving with the sliding rails (24) are horizontally formed in the sliding plates (23).

2. A continuous drilling machine for mechanical working, according to claim 1, characterized in that said power structure comprises a servo motor (4) mounted on said top piece (3) and a worm screw (5) mounted vertically below said top piece (3) and connected to the output of said servo motor (4); the worm (5) penetrates through the top part (3) and is connected with the top part through a bearing;

the transmission assembly, the driving assembly and the travelling mechanism are connected with the worm (5).

3. A continuous drilling machine for mechanical working, according to claim 2, characterized in that said transmission assembly comprises a driving disk (6) coaxially and fixedly mounted at the lower end of said worm (5), a driven disk (8) coaxially arranged below said driving disk (6), a sliding rod (7) for connecting said driving disk (6) and said driven disk (8), and a lifting shaft (9) coaxially fixed at the lower part of driven disk (8);

the two sliding rods (7) are symmetrically arranged at the eccentric position of the lower part of the driving disc (6), the driven disc (8) is provided with two through holes which are correspondingly matched with the sliding rods (7) in a sliding manner, and the drill bit (11) is coaxially fixed at the lower part of the lifting shaft (9).

4. A continuous drilling machine for machining according to claim 3, characterized in that the driving assembly comprises a connecting piece (10) for rotatably connecting the lower part of the lifting shaft (9), a guiding structure for vertically movably connecting the connecting piece (10) with the top piece (3), a bevel gear set for connecting the worm screw (5), and a crank-slider structure for connecting the bevel gear set with the connecting piece (10);

the lifting shaft (9) penetrates through the connecting piece (10) and is connected with the connecting piece through a bearing.

5. A continuous drilling machine for mechanical working, according to claim 4, characterized in that said guiding structure comprises a sleeve (16) fixed vertically below said top element (3) and a stop element (17) sliding vertically on the lower part of said sleeve (16); the lower part of the limiting piece (17) is fixed with the connecting piece (10);

the bevel gear set comprises a first bevel gear (12) fixed on the worm (5) and a second bevel gear (13) meshed with the first bevel gear (12).

6. A continuous drilling machine for machining according to claim 5, characterized in that said slider-crank arrangement comprises a rotary shaft passing through the upper part of said sleeve (16) and rotatably connected thereto, a rotary wheel (14) fixed to one end of said rotary shaft, and a connecting rod (15) for connecting said rotary wheel (14) to said connecting member (10);

the second bevel gear (13) is fixed at the other end of the rotating shaft, one end of the connecting rod (15) is rotatably sleeved at the eccentric position of the rotating wheel (14), and the other end of the connecting rod is hinged with the connecting piece (10).

7. A continuous drilling machine for mechanical working, according to claim 2, characterized in that said travelling mechanism comprises a worm wheel (18) rotatably mounted under said top piece (3) and engaged with said worm (5), a stub gear (21) rotatably arranged at the lower part of said upright (2) and connected to said worm wheel (18) by means of a transmission (19), and a rack plate (22) horizontally fixed to said slide plate (23);

the outer edge of the residual gear (21) is provided with a smooth toothed part, and the toothed part is matched with the teeth on the rack plate (22).

8. A continuous drilling machine for mechanical working, according to claim 7, characterized in that two corner wheels (20) are rotatably mounted on the upper part of said column (2), said transmission member (19) is in rolling contact with said two corner wheels (20), and said residual gears (21) are two, said two residual gears (21) are coaxially fixed by a fixed shaft (26), and two rack plates (22) are respectively fixed on both sides of said sliding plate (23);

the sliding plate (23) is provided with two parallel barrier strips (25).