CN114850874A

CN114850874A - T-shaped thread machining device of drill tool

Info

Publication number: CN114850874A
Application number: CN202210603947.6A
Authority: CN
Inventors: 高绅财
Original assignee: Henan Qianwang Drill Tool Co ltd
Current assignee: Henan Qianwang Drill Tool Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-08-05
Anticipated expiration: 2042-05-31
Also published as: CN114850874B

Abstract

The invention discloses a T-shaped thread processing device of a drill tool, which relates to the technical field of thread processing devices of drill tools and solves the problem that a thread groove is easy to have a corner curl in the chamfering process; the chamfering assembly is used for performing chamfering treatment on the drill tool and then performing self-contraction by matching with the power device and is arranged on the turning tool; the angle adjusting device comprises a chamfering assembly, a control handle, a motor, a chamfering plate, a turning tool and an adjusting assembly, wherein the chamfering assembly is arranged on the control handle, the adjusting assembly is used for adjusting the angle and the position of the chamfering assembly, the adjusting plate is arranged on the chamfering assembly in a sliding mode along a second movable groove, the control handle is rotated, so that the angle of the chamfering plate is changed, chamfers with different requirements can be poured out, the distance between the chamfering plate and a drilling tool is changed through the motor, after the chamfering plate finishes chamfering, the chamfering plate is automatically far away from the drilling tool, meanwhile, the turning tool crosses the chamfers to act on the drilling tool to complete the opening of a thread groove, and the phenomenon that the thread groove at the chamfer angle is curled angle is formed is avoided.

Description

T-shaped thread machining device of drill tool

Technical Field

The invention relates to the technical field of thread processing devices of drilling tools, in particular to a T-shaped thread processing device of a drilling tool.

Background

The drill tool is a general name of a working tool for drilling a rock hole, namely a connecting rod drill shank, a drill rod, a connecting sleeve, a drill bit, an integral drill rod and the like.

The drill tool is provided with T-shaped threads, the machining mode of the threads is more, and the use of the common mode is as follows: the drill tool is clamped through the chuck and drives the chuck to rotate, then the self-rotating drill tool is subjected to thread cutting processing through the movable turning tool, the processed drill tool with the thread groove can perform chamfering processing on the end part according to general design requirements, the drill tool with the thread groove at the end part is subjected to chamfering processing, the thread groove is formed in the end part easily, the fillet is formed at the thread groove in the chamfering process due to the fact that the formed thread groove is weak, the thread tightening effect of the drill tool put into use is influenced, and therefore the T-shaped thread processing device of the drill tool is provided.

Disclosure of Invention

The invention aims to provide a T-shaped thread machining device of a drill tool, which is used for synchronously carrying out chamfering and slotting and avoiding the phenomenon that a roll angle appears at a weak thread groove in the subsequent chamfering process, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a T-shaped thread processing device of a drill tool comprises a chuck and a power device, wherein the chuck is used for fixing the drill tool and driving the drill tool to rotate; the chamfering assembly is used for being matched with the power device to perform self-contraction after chamfering treatment is performed on the drill tool and is arranged on the turning tool; and the adjusting assembly is used for adjusting the angle and the position of the chamfering assembly and is arranged on the chamfering assembly.

Preferably, the chamfering assembly comprises a chamfering plate which is used for chamfering the end part of the drilling tool and is in an inclined shape, a connecting rod is fixedly connected to the chamfering plate, a movable plate is fixedly connected to the end part of the connecting rod and is in sliding fit with the turning tool, a threaded rod is connected to the movable plate in an internal thread manner, a rotating assembly is arranged at the end part of the threaded rod, a motor which is in signal connection with the power device is fixedly connected to the turning tool, and the motor is matched with the adjusting assembly through the rotating assembly to drive the threaded rod to rotate.

Preferably, the runner assembly include with motor output shaft connects fixed first sleeve, the inside normal running fit of first sleeve has fixed ball, first activity groove has been seted up on the fixed ball, first activity inslot normal running fit have with the fixed gag lever post of first sleeve inner wall connection, the first loop bar of fixed ball outer surface fixed connection, threaded rod tip fixedly connected with second loop bar, the second loop bar with the cover is equipped with the second sleeve between the first loop bar, two spacing grooves that are symmetric distribution are seted up to the second loop bar surface, normal running fit in the spacing groove have with first sleeve bar connection fixed limiting plate, second sleeve outer surface fixedly connected with pivot.

Preferably, the adjusting assembly includes with the pivot rotates the regulating plate of being connected, the lathe tool top surface run through be equipped with regulating plate sliding fit's second activity groove, regulating plate surface fixed connection has the pinion rack, the pinion rack in slide in the lathe tool, be equipped with on the pinion rack and rotate the round and drive the pinion rack removes the control assembly of a measurement angle.

Preferably, the control assembly includes control handle, control handle axis fixedly connected with penetrates the bull stick of lathe tool, bull stick bottom fixedly connected with the incomplete gear of pinion rack meshing contact, still be equipped with on the bull stick and maintain after the removal adjustment the steady subassembly of the position of pinion rack.

Preferably, the steady holding component comprises a rotating plate fixedly connected with the rotating rod, a notch is formed in the rotating plate, a pressing column is arranged at the outer ring position of the rotating plate in a pressing fit mode, a ratchet rotating in the turning tool is fixedly connected to the bottom of the pressing column, the ratchet is in inserting fit with the gear, a limiting column is connected in the turning tool in a rotating mode, and a tension spring is hung and matched between the limiting column and the ratchet.

Preferably, the lathe tool top surface fixedly connected with fly leaf sliding fit's wearing layer guarantees that the fly leaf does not rotate, and the surface laminating wearing layer of fly leaf slides.

Preferably, the end part of the threaded rod is fixedly connected with a limiting disc matched with the movable plate, so that excessive adjustment of the movable plate is avoided.

Preferably, an induction device is arranged in the movable plate, is used for being matched with the power device and is used for detecting the distance between the chamfering plate and the drilling tool.

Preferably, brake valve lever with seted up the bolt hole that suits on the lathe tool, after the angle of adjustment of being convenient for, make brake valve lever fixed, can not shake and reaction force leads to brake valve lever to rotate. Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the control handle is rotated, the adjusting plate is slid along the second movable groove, so that the angle of the chamfering plate is changed, chamfers with different requirements can be poured out, the distance between the chamfering plate and the drilling tool is changed through the motor, after the chamfering plate finishes chamfering, the chamfering plate is automatically away from the drilling tool, meanwhile, the turning tool passes through the chamfer and acts on the drilling tool to finish the opening of a thread groove, and the phenomenon of corner curling of the thread groove at the chamfer is avoided.

Drawings

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

FIG. 2 is a schematic view of the turning tool and its top surface connector structure of the present invention;

FIG. 3 is a schematic view of the lathe tool of FIG. 2 removed;

FIG. 4 is a schematic view of the first sleeve and the first sleeve of FIG. 3 shown in a disassembled configuration;

FIG. 5 is a schematic view of the structure of FIG. 3 in the middle;

FIG. 6 is a schematic exploded view of the partial rotation assembly of FIG. 5;

FIG. 7 is an enlarged view of the control assembly of FIG. 6;

fig. 8 is a disassembled view of the control handle and the stabilizing assembly of fig. 7.

In the figure: 1-a chuck; 2-a power plant; 3, turning a tool; 4-chamfering the assembly; 5-chamfering the angle plate; 6-connecting rod; 7-a movable plate; 8-a threaded rod; 9-a motor; 10-a rotating assembly; 11-a first sleeve; 12-a fixed ball; 13-a first active slot; 14-a limiting rod; 15-a first loop bar; 16-a second loop bar; 17-a second sleeve; 18-a limiting groove; 19-a limiting plate; 20-a rotating shaft; 21-an adjustment assembly; 22-an adjusting plate; 23-a second active slot; 24-toothed plate; 25-a control component; 26-a control handle; 27-a rotating rod; 28-incomplete gear; 29-a stabilizing assembly; 30-a rotating plate; 31-a notch; 32-a pressing column; 33-rachis; 34-a limiting column; 35-a tension spring; 36-a wear resistant layer; 37-a limiting disc; 38-bolt hole.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example one

Referring to fig. 1-3, a T-shaped thread processing device for a drill tool is shown, which includes a chuck 1 for fixing the drill tool and driving the drill tool to rotate, and a power device 2, wherein a turning tool 3 with a T-shaped end is movably controlled on the power device 2; the chamfering assembly 4 is used for being matched with the power device 2 to perform self-contraction after chamfering treatment is performed on the drilling tool and is arranged on the turning tool 3; and the adjusting assembly 21 is used for adjusting the angle and the position of the chamfering assembly 4, and the adjusting assembly 21 is arranged on the chamfering assembly 4.

Referring to fig. 2-3, the illustrated chamfering assembly 4 includes an inclined chamfering plate 5 for chamfering the end of the drill tool, a connecting rod 6 is fixedly connected to the chamfering plate 5, a movable plate 7 slidably engaged with the turning tool 3 is fixedly connected to the end of the connecting rod 6, a threaded rod 8 is connected to the movable plate 7 through an internal thread, a rotating assembly 10 is disposed at the end of the threaded rod 8, a motor 9 connected to the turning tool 3 through a signal is fixedly connected to the power device 2, and the motor 9 cooperates with the adjusting assembly 21 through the rotating assembly 10 to drive the threaded rod 8 to rotate.

Referring to fig. 4-6, a rotating assembly 10 shown in the figure includes a first sleeve 11 connected and fixed to an output shaft of a motor 9, a fixed ball 12 is rotatably fitted inside the first sleeve 11, a first movable groove 13 is formed in the fixed ball 12, a limiting rod 14 fixed to an inner wall of the first sleeve 11 is movably fitted in the first movable groove 13, a first sleeve 15 is fixedly connected to an outer surface of the fixed ball 12, a second sleeve 16 is fixedly connected to an end of a threaded rod 8, a second sleeve 17 is sleeved between the second sleeve 16 and the first sleeve 15, two limiting grooves 18 symmetrically distributed are formed in an outer surface of the second sleeve 16, a limiting plate 19 fixed to the first sleeve 15 is slidably fitted in the limiting groove 18, and a rotating shaft 20 is fixedly connected to an outer surface of the second sleeve 17. Referring to fig. 2 and 5, the adjusting assembly 21 shown in the figure includes an adjusting plate 22 rotatably connected to the rotating shaft 20, a second movable slot 23 slidably engaged with the adjusting plate 22 is formed through the top surface of the turning tool 3, a toothed plate 24 is fixedly connected to the outer surface of the adjusting plate 22, the toothed plate 24 slides in the turning tool 3, and a control assembly 25 that rotates one turn to drive the toothed plate 24 to move a metering angle is disposed on the toothed plate 24.

Wherein, the top surface of the turning tool 3 is fixedly connected with a wear-resistant layer 36 in sliding fit with the movable plate 7, the end part of the threaded rod 8 is fixedly connected with a limiting disc 37 in fit with the movable plate 7, and the movable plate 7 is internally provided with an induction device. In this embodiment, when the angle of the chamfer plate 5 needs to be adjusted, the toothed plate 24 is adjusted by the control assembly 25 in a quantitative distance (minimum scale, and the adjustment is performed step by step through the minimum scale, it is noted that the toothed plate 24 and the second movable groove 23 have a certain radian to ensure that the distance of each adjustment is consistent, so that the angle of each adjustment is consistent, and the accuracy is ensured, so that the curvature is large, and the graphic display is not obvious), so that the adjusting plate 22 moves along the second movable groove 23 to drive the second sleeve 17 to move, and the first sleeve 15, the second sleeve 16, the threaded rod 8 and the chamfer plate 5 are driven to change the angle by taking the fixed ball 12 as a turning point, and the movable plate 7 slides on the top surface of the chamfer plate 3 to change the angle of the chamfer plate 5, so as to obtain the angle of the required chamfer; then adjusting the distance between the chamfer plate 5 and the drill tool, obtaining the numerical value of the distance by means of an induction device or manual measurement and the like, rotating the first sleeve 11 by the motor 9 through forward and reverse rotation of the motor 9, rotating the first sleeve 15 (which is not arranged in a straight line with the first sleeve 11) after adjusting the angle under the action of the first movable groove 13 and the limiting rod 14, rotating the second sleeve 16 and the threaded rod 8 through the action of the limiting groove 18 and the limiting plate 19, thereby changing the distance between the movable plate 7 and the chamfer plate 5 and the drill tool, completing the adjustment, clamping the drill tool by the chuck 1 and rotating the drill tool during the processing process, driving the turning tool 3 by the power device 2, firstly chamfering the end of the drill tool by the adjusted chamfer plate 5, after the chamfering is completed, receiving the induction device signal by the motor 9 (after the chamfering is completed, the anti-effort that receives of chamfer board 5 has not been had, makes induction system receive the signal), motor 9 rotates, drives threaded rod 8 and rotates to make chamfer board 5 keep away from the drilling tool, and simultaneously under power device 2's effect, lathe tool 3 continues to move, carries out fluting processing in the marginal position of chamfer, lasts the lathe tool 3 that removes, accomplishes seting up of T shape thread groove at last.

Example two

Referring to fig. 1-3, a T-shaped thread processing device for a drill tool in the drawings includes a chuck 1 for fixing the drill tool and driving the drill tool to rotate, and a power device 2, wherein a turning tool 3 with a T-shaped end is movably controlled on the power device 2; the chamfering assembly 4 is used for being matched with the power device 2 to perform self-contraction after chamfering treatment is performed on the drilling tool and is arranged on the turning tool 3; and the adjusting assembly 21 is used for adjusting the angle and the position of the chamfering assembly 4, and the adjusting assembly 21 is arranged on the chamfering assembly 4.

Referring to fig. 4-6, a rotating assembly 10 in the figure includes a first sleeve 11 connected and fixed with an output shaft of a motor 9, a fixed ball 12 is disposed inside the first sleeve 11 in a rotating fit manner, a first movable groove 13 is formed in the fixed ball 12, a limiting rod 14 fixed with an inner wall of the first sleeve 11 in a movable fit manner is disposed in the first movable groove 13, a first sleeve 15 is fixedly connected to an outer surface of the fixed ball 12, a second sleeve 16 is fixedly connected to an end of a threaded rod 8, a second sleeve 17 is sleeved between the second sleeve 16 and the first sleeve 15, two limiting grooves 18 symmetrically distributed are formed in an outer surface of the second sleeve 16, a limiting plate 19 fixed with the first sleeve 15 is slidably fitted in the limiting groove 18, and a rotating shaft 20 is fixedly connected to an outer surface of the second sleeve 17. Referring to fig. 2 and 5, the adjusting assembly 21 shown in the figure includes an adjusting plate 22 rotatably connected to the rotating shaft 20, a second movable groove 23 slidably engaged with the adjusting plate 22 is formed in the top surface of the turning tool 3, a toothed plate 24 is fixedly connected to the outer surface of the adjusting plate 22, the toothed plate 24 slides in the turning tool 3, and a control assembly 25 that rotates one turn to drive the toothed plate 24 to move a metering angle is disposed on the toothed plate 24.

Referring to fig. 6-8, the control assembly 25 shown in the drawings includes a control handle 26, a rotating rod 27 penetrating through the turning tool 3 is fixedly connected to a central shaft of the control handle 26, an incomplete gear 28 in meshing contact with the toothed plate 24 is fixedly connected to a bottom end of the rotating rod 27, and a stabilizing assembly 29 for maintaining the position of the adjusted toothed plate 24.

Wherein, the control handle 26 and the turning tool 3 are provided with corresponding bolt holes 38.

In this embodiment, the control handle 26 is rotated to rotate the rotating rod 27, so that the incomplete gear 28 is rotated to drive the toothed plate 24 to move for a certain distance, when the teeth on the incomplete gear 28 are separated from the toothed plate 24, the position of the toothed plate 24 is kept from moving under the action of the stabilizing assembly 29, and then the toothed plate 24 is moved for the same distance again under the operation of the next rotation of the control handle 26.

EXAMPLE III

Referring to fig. 4-6, a rotating assembly 10 shown in the figure includes a first sleeve 11 connected and fixed to an output shaft of a motor 9, a fixed ball 12 is rotatably fitted inside the first sleeve 11, a first movable groove 13 is formed in the fixed ball 12, a limiting rod 14 fixed to an inner wall of the first sleeve 11 is movably fitted in the first movable groove 13, a first sleeve 15 is fixedly connected to an outer surface of the fixed ball 12, a second sleeve 16 is fixedly connected to an end of a threaded rod 8, a second sleeve 17 is sleeved between the second sleeve 16 and the first sleeve 15, two limiting grooves 18 symmetrically distributed are formed in an outer surface of the second sleeve 16, a limiting plate 19 fixed to the first sleeve 15 is slidably fitted in the limiting groove 18, and a rotating shaft 20 is fixedly connected to an outer surface of the second sleeve 17. Referring to fig. 2 and 5, the adjusting assembly 21 shown in the figure includes an adjusting plate 22 rotatably connected to the rotating shaft 20, a second movable groove 23 slidably engaged with the adjusting plate 22 is formed in the top surface of the turning tool 3, a toothed plate 24 is fixedly connected to the outer surface of the adjusting plate 22, the toothed plate 24 slides in the turning tool 3, and a control assembly 25 that rotates one turn to drive the toothed plate 24 to move a metering angle is disposed on the toothed plate 24.

Referring to fig. 7-8, the stabilizing assembly 29 shown in the drawings includes a rotating plate 30 connected and fixed to the rotating rod 27, a notch 31 is formed in the rotating plate 30, a pressing column 32 is disposed at an outer ring of the rotating plate 30 in a pressing fit manner, a ratchet 33 rotating in the turning tool 3 is fixedly connected to the bottom of the pressing column 32, the ratchet 33 is in a plugging fit with the gear, a limiting column 34 is rotatably connected to the turning tool 3, and a tension spring 35 is hooked and matched between the limiting column 34 and the ratchet 33.

In this embodiment, when the latch on incomplete gear 28 and pinion rack 24 meshing contact, it is corresponding with breach 31 position on the rotating plate 30 just to support the compression column 32, under the effect of extension spring 35, make ratchet 33 and pinion rack 24 break away from the joint contact, thereby make incomplete gear 28 drive pinion rack 24 and remove, after pinion rack 24 removes the fixed distance, the latch on incomplete gear 28 and pinion rack 24 break away from the meshing contact, support compression column 32 simultaneously and break away from and contact with the outward flange of rotating plate 30 from breach 31, thereby make ratchet 33 rotate, extension spring 35 is tensile, pinion rack 24 is lived to the tip joint of ratchet 33, make pinion rack 24 unable removal.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 T-shaped thread forming apparatus for a drill tool, comprising:

the drill bit comprises a chuck (1) and a power device (2) which are used for fixing the drill bit and driving the drill bit to rotate, wherein a turning tool (3) with a T-shaped end part is movably controlled on the power device (2);

it is characterized by also comprising:

the chamfering assembly (4) is used for performing chamfering treatment on the drill tool and then matching with the power device (2) to perform self-contraction, and the chamfering assembly (4) is arranged on the turning tool (3);

the adjusting assembly (21) is used for adjusting the angle and the position of the chamfering assembly (4), and the adjusting assembly (21) is arranged on the chamfering assembly (4).

2. The T-shaped thread processing apparatus for a drill tool according to claim 1, wherein: chamfer subassembly (4) including be the chamfer board (5) of slope shape that is used for carrying out the chamfer to the drilling tool tip and handle, fixedly connected with connecting rod (6) on chamfer board (5), connecting rod (6) tip fixedly connected with fly leaf (7) of lathe tool (3) sliding fit, fly leaf (7) female connection has threaded rod (8), threaded rod (8) tip is equipped with runner assembly (10), fixedly connected with on lathe tool (3) with power device (2) signal connection's motor (9), motor (9) are passed through runner assembly (10) cooperation adjusting part (21) drives threaded rod (8) rotate.

3. The T-shaped thread processing device for a drill tool according to claim 2, wherein: the rotating assembly (10) comprises a first sleeve (11) connected and fixed with an output shaft of the motor (9), a fixed ball (12) is arranged in the first sleeve (11) in a rotating fit manner, a first movable groove (13) is formed in the fixed ball (12), a limit rod (14) connected and fixed with the inner wall of the first sleeve (11) is arranged in the first movable groove (13) in a moving fit manner, a first loop bar (15) is fixedly connected to the outer surface of the fixed ball (12), a second loop bar (16) is fixedly connected to the end part of the threaded rod (8), a second sleeve (17) is sleeved between the second loop bar (16) and the first loop bar (15), two limit grooves (18) which are symmetrically distributed are formed in the outer surface of the second loop bar (16), and a limit plate (19) connected and fixed with the first loop bar (15) is arranged in the limit groove (18) in a sliding fit manner, and the outer surface of the second sleeve (17) is fixedly connected with a rotating shaft (20).

4. A T-shaped thread processing device for a drill tool according to claim 3, wherein: adjusting part (21) include with pivot (20) rotate regulating plate (22) of being connected, lathe tool (3) top surface run through be equipped with regulating plate (22) sliding fit's second movable groove (23), regulating plate (22) outer fixed surface is connected with pinion rack (24), pinion rack (24) in slide in lathe tool (3), be equipped with on pinion rack (24) and rotate the round and drive pinion rack (24) remove control assembly (25) of a measurement angle.

5. The T-shaped thread processing device of a drill tool according to claim 4, wherein: control assembly (25) include control handle (26), control handle (26) axis fixedly connected with penetrates bull stick (27) of lathe tool (3), bull stick (27) bottom fixedly connected with incomplete gear (28) that pinion rack (24) meshing contact, still be equipped with on bull stick (27) and maintain after the removal adjustment steady subassembly (29) of holding of the position of pinion rack (24).

6. The T-shaped thread processing device of a drill tool according to claim 5, wherein: the stable holding assembly (29) comprises a rotating plate (30) fixedly connected with the rotating rod (27), a notch (31) is formed in the rotating plate (30), an abutting column (32) is arranged at the position of the outer ring of the rotating plate (30) in an abutting and pressing fit mode, ratchet teeth (33) rotating in the turning tool (3) are fixedly connected to the bottom of the abutting column (32), the ratchet teeth (33) are in inserting fit with the gear, a limiting column (34) is rotationally connected to the turning tool (3), and a tension spring (35) is hung and matched between the limiting column (34) and the ratchet teeth (33).

7. The T-shaped thread processing device for a drill tool according to claim 2, wherein: lathe tool (3) top surface fixedly connected with fly leaf (7) sliding fit's wearing layer (36), threaded rod (8) tip fixedly connected with fly leaf (7) complex spacing dish (37).

8. The T-shaped thread processing apparatus for a drill tool according to claim 2, wherein: an induction device is arranged in the movable plate (7).

9. The T-shaped thread processing device of a drill tool according to claim 4, wherein: the control handle (26) and the turning tool (3) are provided with adaptive bolt holes (38).