CN216938495U

CN216938495U - Non-standard long drill rod machining tool for interval coaxial double-hole drilling of workpiece

Info

Publication number: CN216938495U
Application number: CN202220501827.0U
Authority: CN
Inventors: 李惠齐; 李文婧; 刘美; 杨志强
Original assignee: Xiangyang Hongshen Zhongtian Machinery Technology Co ltd
Current assignee: Xiangyang Hongshen Zhongtian Machinery Technology Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-07-12
Anticipated expiration: 2032-03-08

Abstract

The utility model discloses a non-standard long drill rod processing tool for punching a workpiece coaxially at intervals in double holes, which comprises a drilling machine base, wherein an upright post is arranged on the left side of the upper surface of the drilling machine base, a clamping workbench is arranged on the right side of the upper surface of the drilling machine base, the upright post is in sliding connection with one end of a rocker arm horizontally extending in the left-right direction, an auxiliary motor capable of driving the rocker arm to lift is arranged on the upright post, a transmission case capable of sliding left and right is arranged on the rocker arm, a drilling machine spindle extending vertically and downwards is arranged on the transmission case, a main motor driving the drilling machine spindle to rotate is arranged on the transmission case, the lower end of the drilling machine spindle is coaxially and fixedly connected with the upper end of an extension drill rod, a drill bit is coaxially fixed at the lower end of the extension drill rod, the clamping workbench compresses and fixes a workpiece plate body vertically through a plurality of compression assemblies, the interval distance between two connection lug plates is more than 1m, and when the rocker arm moves downwards along the upright post, the drill bit drills two connection lug plates in sequence. The method has the advantages that the workpiece plate body does not need to be turned by 180 degrees to be aligned and then the hole is formed, and the coaxiality and the aperture consistency of the double holes formed at one time are good.

Description

Non-standard long drill rod machining tool for interval coaxial double-hole drilling of workpiece

Technical Field

The utility model belongs to the field of machining, and particularly relates to a nonstandard long drill rod machining tool for interval coaxial double-hole drilling of a workpiece.

Background

In machining, sometimes two or more coaxial holes with a longer interval need to be formed in a workpiece, so that the holes which are coaxially arranged in the working process after the holes are formed can more effectively fix and mount other components. For example, for a large vertical axial-flow pump, a motor hanging plate is required to mount a large motor, coaxial mounting holes are correspondingly formed in connecting ear plates at the upper end and the lower end of the motor hanging plate so as to be connected with an upper supporting leg and a lower supporting leg of the motor, and the distance between the two mounting holes is larger and is more than 1 meter. For the drilling processing of such workpieces, because the pitch of holes is large, generally, after one end of the workpiece is drilled, the other end of the workpiece needs to be turned by 180 degrees to drill the other end of the workpiece, and in order to ensure that the coaxiality and the aperture of a normal hole are consistent, the conventional method is to carry out numerical control precision processing on a large-scale numerical control machining center. However, the large-scale numerical control machining center is expensive, and the requirement for the operation precision is high after the rotation is carried out for 180 degrees, so the cost for producing the workpiece is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a non-standard long drill rod machining tool for punching coaxial double holes in a workpiece at intervals, and aims to overcome the defects that in the prior art, the punching of the workpiece needs to depend on a large numerical control machining center and the machining needs to be turned by 180 degrees in the machining process.

The technical scheme for solving the technical problems is as follows: a nonstandard long drill rod processing tool for coaxial double-hole punching of a workpiece interval comprises a drilling machine base, wherein a stand column is arranged on the left side of the upper surface of the drilling machine base, a clamping workbench is arranged on the right side of the upper surface of the drilling machine base, the stand column is in sliding connection with one end of a rocker arm horizontally extending in the left-right direction, an auxiliary motor capable of driving the rocker arm to lift is installed on the stand column, a transmission case capable of sliding left and right is arranged on the rocker arm, a drilling machine spindle vertically extending downwards is arranged on the transmission case, a main motor for driving the drilling machine spindle to rotate is arranged on the transmission case, the lower end of the drilling machine spindle is coaxially and fixedly connected with the upper end of an extension drill rod, a drill bit is coaxially fixed at the lower end of the extension drill rod, T-shaped grooves are formed in the left side surface and the top surface of the clamping workbench, the T-shaped grooves in the left side surface or the right side surface of the clamping workbench press and fix a workpiece plate body vertically through a plurality of pressing components, the center of the horizontal connection lug plate which corresponds to the workpiece plate body at intervals up and down on one side is aligned with the central axis of the extension drill rod, the distance between the connection lug plates is more than 1m, the rocker arm is arranged along the upright post, and the drill bit is used for drilling holes in the connection lug plates in sequence.

On the basis of the technical scheme, the utility model can be further improved as follows.

Furthermore, the pressing assembly comprises a pressing plate, a sizing block, a stud and a compression nut, one end of the stud is provided with a T-shaped head which is clamped into the T-shaped groove and is in sliding fit with the T-shaped head, the other end of the stud penetrates through a through hole in one end of the pressing plate and is in threaded connection with the compression nut, and the sizing block is clamped between the other end of the pressing plate and the side surface of the clamping workbench.

The beneficial effects of adopting above-mentioned further scheme are that, simple structure, it is applicable in the work piece plate body to different thickness to press from both sides tight fixed, easy operation, it is effectual to press from both sides tight fixed.

Further, the total length of the lengthened drill rod and the drill bit after connection is more than 1m and larger than the distance between the two connecting lug plates.

The beneficial effect who adopts above-mentioned further scheme is that, extension drilling rod and drill bit are connected back length and are greater than 1m, are far away from the length of conventional standard drill rod, guarantee once decurrent stroke can be according to accomplishing the drilling of two big spaced connection otic placodes that exceed 1m to the interval, need not pull down the work piece plate body and overturn the tune, machining efficiency is high.

Further, the lengthened drill rod is formed by coaxially and fixedly combining a plurality of sections of short drill rods, and the length of each section of short drill rod is 20-50 cm.

The mode that the lengthening drill rod is obtained by combining the plurality of sections of short drill rods has the advantages that compared with the mode that the lengthening drill rod is directly processed and integrally formed, the requirement on processing precision is slightly low, the damaged short drill rod can be independently replaced when the damage occurs, and the maintenance cost is low.

Furthermore, the upper surface of the drilling machine base is provided with a plurality of parallel sliding grooves extending in the left-right direction, the bottom of the clamping workbench is provided with a sliding block matched with the sliding grooves, and the clamping workbench is rotatably connected with a feeding hand wheel for adjusting the feeding hand wheel to move in the left-right direction along the sliding grooves.

The beneficial effect who adopts above-mentioned further scheme is, is convenient for adjust the position of clamping workstation, makes drilling processing become simpler.

Furthermore, the lower end of the lengthened drill rod and the upper end of the drill bit are provided with a Morse taper hole and a Morse taper shank which are matched with each other.

The technical scheme has the advantages that the Mohs taper hole and the Mohs taper shank are in corresponding standards, the machining process is mature, and the lengthened drill rod with the corresponding Mohs taper hole and the Mohs taper shank and the drill bit can be assembled in a more accurate matching mode.

Compared with the prior art, the utility model has the following technical effects and advantages:

combine drilling machine and non-standard extension drilling rod, correspond the engaging lug board that sets up to compressing tightly the work piece plate body on the drilling machine about the portion and drill in proper order, need not align the trompil again after 180 degrees with work piece plate body transfers, it is better with aperture size uniformity to set up the axiality of diplopore, the length of non-standard extension drilling rod is more than 1 meter, can realize carrying out the function that two holes were seted up to the parallel relative engaging lug board more than 1 meter of interval on the work piece plate body after combining the drilling machine, the whole equipment cost is not high and operating requirement is low.

The nonstandard lengthened drill rod can be integrally formed or combined by a plurality of sections of short drill rods, the drilling method is easy to realize, the machining is simple and low in cost compared with the direct machining of the lengthened drill bit, and the nonstandard lengthened drill rod is equivalent to a clamping tool and plays a role in effectively connecting a main shaft of a drilling machine and the drill bit.

The workpiece with the two connecting lug plates which are far away from each other at intervals can be moved and adjusted on the clamping workbench to be aligned to the drilling machine spindle, and each pressing assembly can enable the workpiece plate body to be vertically pressed and fixed on the drilling machine base, so that the adjustment is convenient and the fixation is firm.

Drawings

FIG. 1 is a schematic view of a non-standard long drill rod machining tool for punching a workpiece at intervals and coaxially in two holes, provided by the utility model;

FIG. 2 is a top view of the tool shown in FIG. 1;

fig. 3 is a schematic view of the extension rod of fig. 1.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a drilling machine base; 2. a column; 3. a clamping workbench; 4. a rocker arm; 5. a secondary motor; 6. a transmission case; 7. drilling a main shaft; 8. a main motor; 9. lengthening the drill rod; 10. a drill bit; 11. a T-shaped groove; 12. a workpiece plate body; 13. connecting the ear plates; 14. pressing a plate; 15. sizing block; 16. a stud; 17. a chute; 18. a feed hand wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, if terms indicating orientation such as "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", etc., are used, they indicate orientation or positional relationship based on that shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the utility model provides a non-standard long drill rod processing tool for punching holes in coaxial double holes at intervals on a workpiece, which comprises a drilling machine base 1, wherein an upright post 2 is arranged on the left side of the upper surface of the drilling machine base 1, a clamping workbench 3 is arranged on the right side of the upper surface of the drilling machine base 1, the upright post 2 is in sliding connection with one end of a rocker arm 4 horizontally extending in the left-right direction, an auxiliary motor 5 capable of driving the rocker arm 4 to lift is arranged on the upright post 2, a transmission case 6 capable of sliding left and right is arranged on the rocker arm 4, a drilling machine spindle 7 extending vertically and downwards is arranged on the transmission case 6, a main motor 8 for driving the drilling machine spindle 7 to rotate is arranged on the transmission case 6, the lower end of the drilling machine spindle 7 is coaxially and fixedly connected with the upper end of a lengthened drill rod 9, a drill bit 10 is coaxially fixed at the lower end of the lengthened drill rod 9, and T-shaped grooves 11 are arranged on the left side, right side and top surface of the clamping workbench 3, the T type groove 11 of 3 left surfaces of clamping workstation or right flank is vertical form pressure fastening through a plurality of subassemblies with work piece plate body 12 and fixes, work piece plate body 12 one side corresponds the center and the top of the horizontal connection otic placode 13 that the interval set up from top to bottom 9 the central axis of extension drill pipe is aimed at, two connect otic placode 13 interval distance more than 1m, rocking arm 4 is followed when stand 2 moves down, drill bit 10 is two in proper order connect otic placode 13 drilling.

It should be noted that the corresponding mechanisms of the auxiliary motor driving the rocker arm to lift along the upright post, the main motor driving the drill spindle to rotate through the transmission assembly in the transmission box, and the transmission box sliding left and right along the rocker arm are well known to those skilled in the art, and detailed description thereof is omitted here. The workpiece plate body is a structural member with two parallel connecting ear plates to be drilled, which are spaced at a large distance (usually more than 1 m), for example, a motor hanging plate for mounting and fixing a motor of a large-sized vertical axial-flow pump is used, and the interval between the connecting ear plates fixed with an upper support leg and a lower support leg of the motor is 1.2 m to 1.5 m.

In an embodiment of the present invention, the pressing assembly includes a pressing plate 14, a sizing block 15, a stud 16 and a pressing nut, one end of the stud 16 has a T-shaped head that is clamped into the T-shaped groove 11 and is in sliding fit therewith, the other end of the stud 16 passes through a through hole at one end of the pressing plate 14 and then is in threaded connection with the pressing nut, and the sizing block 15 is clamped between the other end of the pressing plate 14 and the side surface of the clamping worktable 3.

It can be understood that the clamp plate is rectangular form, sets up the slot hole that extends along its length direction in the middle of its face, and the double-screw bolt can be followed pass in the slot hole (double-screw bolt perpendicular to clamp plate face), in order to guarantee that the clamp plate that the parallels can be better provides the support, the adjustable bolt of threaded connection plays the effect of adjusting the parallels gross thickness on the parallels.

In one embodiment of the present invention, the total length of the extension drill rod 9 and the drill bit 10 after being connected is more than 1m and is larger than the distance between the two connecting ear plates 13.

In one embodiment of the present invention, the extension drill rod 9 is formed by coaxially and fixedly combining a plurality of short drill rods, and the length of each short drill rod is 20-50 cm.

It should be noted that one end of each short drill rod is provided with a morse taper shank, the other end is provided with a morse taper hole, so that two short drill rods can be assembled conveniently, and a stabilizer can be arranged if necessary.

In an embodiment of the utility model, the upper surface of the drilling machine base 1 is provided with a plurality of sliding grooves 17 which are parallel to each other and extend in the left-right direction, the bottom of the clamping workbench 3 is provided with a sliding block matched with the sliding grooves 17, and the clamping workbench 3 is rotatably connected with a feeding hand wheel 18 for adjusting the feeding hand wheel to move in the left-right direction along the sliding grooves 17.

It should be noted that, when the feeding hand wheel rotates, the clamping workbench moves left and right along the sliding groove, the internal transmission structure may include a transmission gear set and a rack, the rack is disposed on the drilling machine base, the transmission gear is located on the clamping workbench, and when the feeding hand wheel rotates, the transmission gear rotates on the engaged rack to drive the clamping workbench to move.

In one embodiment of the utility model, the lower end of the extension rod 9 and the upper end of the drill bit 10 have matching morse taper holes and morse taper shanks.

The basic principle of the utility model is that when coaxial double holes are formed in connecting lug plates which are parallel up and down and far (more than 1 m) apart on the same side of a workpiece plate body, the workpiece plate body is pressed on one side of a clamping workbench through a plurality of pressing components (comprising a pressing plate, a sizing block, a stud and a pressing nut), then when an auxiliary motor and a main motor are started to move down a rocker arm, a main shaft of a drilling machine drives an extension drill rod to rotate to sequentially complete drilling work on the two connecting lug plates from top to bottom, and the two holes are formed and are drilled by the same drill rod one after another, so the coaxiality and the aperture size consistency are better.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The non-standard long drill rod processing tool for the coaxial double-hole punching of the workpiece interval is characterized by comprising a drilling machine base (1), wherein a stand column (2) is arranged on the left side of the upper surface of the drilling machine base (1), a clamping workbench (3) is arranged on the right side of the upper surface of the drilling machine base (1), the stand column (2) is in sliding connection with one end of a rocker arm (4) horizontally extending in the left-right direction, an auxiliary motor (5) capable of driving the rocker arm (4) to ascend and descend is installed on the stand column (2), a transmission case (6) capable of sliding left and right is arranged on the rocker arm (4), a drilling machine main shaft (7) vertically extending downwards is arranged on the transmission case (6), a main motor (8) driving the drilling machine main shaft (7) to rotate is arranged on the transmission case (6), the lower end of the drilling machine main shaft (7) is coaxially and fixedly connected with the upper end of a lengthened drill rod (9), and a drill bit (10) is coaxially fixed at the lower end of the lengthened drill rod (9), the left and right sides and the top surface of clamping workstation (3) all are equipped with T type groove (11), the T type groove (11) of clamping workstation (3) left surface or right flank is vertical form pressure through a plurality of subassemblies and fastens fixedly with workpiece plate body (12), the center and the top of horizontal connection otic placode (13) that workpiece plate body (12) one side corresponds the interval setting from top to bottom the extension drilling rod (9) the central axis is aimed at, two connect otic placode (13) interval distance more than 1m, rocking arm (4) are followed when stand (2) move down, drill bit (10) are two in proper order connect otic placode (13) drilling.

2. The non-standard-length drill rod machining tool for the coaxial double-hole opening of the workpiece at intervals is characterized in that the pressing assembly comprises a pressing plate (14), a sizing block (15), a stud (16) and a compression nut, a T-shaped head clamped into the T-shaped groove (11) and in sliding fit with the T-shaped head is arranged at one end of the stud (16), the other end of the stud (16) penetrates through a through hole in one end of the pressing plate (14) and then is in threaded connection with the compression nut, and the sizing block (15) is clamped between the other end of the pressing plate (14) and the side face of the clamping workbench (3).

3. The tool for machining the non-standard long drill rod for the spaced coaxial double-hole opening of the workpiece as claimed in claim 1, wherein the total length of the connected lengthened drill rod (9) and the connected drill bit (10) is more than 1m and larger than the distance between the two connecting lug plates (13).

4. The non-standard long drill rod machining tool for the coaxial double-hole opening of the workpiece at intervals according to claim 1, characterized in that the long drill rod (9) is formed by coaxially and fixedly combining a plurality of short drill rods, and the length of each short drill rod is 20-50 cm.

5. The tool for machining the nonstandard long drill rod for punching the coaxial double holes at intervals on the workpiece according to any one of claims 1 to 4, wherein a plurality of sliding grooves (17) which are parallel to each other and extend in the left-right direction are formed in the upper surface of the drilling machine base (1), a sliding block matched with the sliding grooves (17) is arranged at the bottom of the clamping workbench (3), and a feeding hand wheel (18) for adjusting the clamping workbench (3) to move in the left-right direction along the sliding grooves (17) is rotatably connected to the clamping workbench (3).

6. The non-standard long drill rod machining tool for the hole forming of the coaxial double holes in the workpiece is characterized in that the lower end of the long drill rod (9) and the upper end of the drill bit (10) are provided with a Morse taper hole and a Morse taper shank which are matched with each other.