CN217666589U

CN217666589U - Straight flute guide drill

Info

Publication number: CN217666589U
Application number: CN202220541750.XU
Authority: CN
Inventors: 崔晋; 郭毅
Original assignee: Chengdu Jingmai Precision Machinery Co ltd
Current assignee: Chengdu Jingmai Precision Machinery Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-10-28
Anticipated expiration: 2032-03-14

Abstract

The application provides a straight flute guide bores belongs to drill bit device field. This straight flute guide bores including first sleeve and second sleeve, first sleeve one end opening sets up, first sleeve one side is provided with the push pedal, push pedal one side just is located the inside first motor that is provided with of first sleeve, first motor respectively with two screw drive connects, the inside movable plate that is provided with of first sleeve, movable plate top and bottom respectively with adjacent nearly screw rod screw thread cup joints, the second sleeve is fixed in first sleeve one end, the inside slidable mounting of second sleeve has the brill body, second motor output shaft with the brill body links to each other, the brill body in proper order the activity run through in first sleeve with the second sleeve, the second sleeve is kept away from first sleeve one end is provided with the slipmat, brill body one end runs through the slipmat, and this straight flute guide bores and is convenient for fix a position the brill body.

Description

Straight flute guide drill

Technical Field

The application relates to the field of drill bit devices, in particular to a straight flute guide drill.

Background

The drilling of holes is called by using a drill bit, the hole machining of various parts is completed by lathes such as turning, boring and milling except for one part, and the other part is completed by a bench worker by using a drilling machine and a drilling tool (a drill bit, a reamer and the like), the straight-flute guide drill is a drill body device for straight flute arrangement, the conventional straight-flute guide drill is often operated by hands of workers during the drilling operation, and the mode easily causes the drilling of holes, thereby affecting the working efficiency of the straight-flute guide drill. In addition, the drill body of the existing straight flute guide drill mostly rotates, and the drill body in the rotating process is further propelled by hands of workers, so that the drilling work is completed, the drill body is often inconvenient to drive to rotate and advance, and when a plurality of holes need to be formed, the working strength of the workers is high due to the design.

SUMMERY OF THE UTILITY MODEL

In order to remedy the above deficiencies, the present application provides a straight fluted pilot drill that aims to ameliorate the above-mentioned problems.

The embodiment of the application provides a straight flute guide bores, including first sleeve and second sleeve, first sleeve one end opening sets up, first sleeve one side is provided with the push pedal, push pedal one side just is located the inside first motor that is provided with of first sleeve, logical groove has all been seted up to the inside top of first sleeve and bottom, two it all rotates to lead to the groove and installs the screw rod, first motor respectively with two screw drive connects, the inside movable plate that is provided with of first sleeve, movable plate top and bottom are respectively with adjacent nearly the screw rod screw thread cup joints, the second sleeve is fixed in first sleeve one end, the inside slidable mounting of second sleeve has the brill body, movable plate one side is provided with the second motor, second motor output shaft with the brill body links to each other, the brill body in proper order the activity run through in first sleeve with the second sleeve, the second sleeve is kept away from first telescopic one end is provided with the slipmat, brill body one end runs through out the slipmat.

In the implementation process, one end of the drill body penetrates through the anti-slip pad, so that the end of the drill body is aligned to a position needing to be perforated, the position where the anti-slip pad is located is arranged, so that the end of the drill body is vertically positioned, then the first motor and the second motor are started, the two through grooves are respectively rotatably provided with the screw rods, the first motor is in transmission connection with the two screw rods, the first motor is started to drive the two screw rods to simultaneously rotate, the top and the bottom of the movable plate are respectively in threaded sleeve connection with the adjacent screw rods, so that the movable plate can only transversely move, the output shaft of the second motor is connected with the drill body, and the second motor is started to drive the drill body to rotate, so that the transverse movement and the rotary movement of the drill body are simultaneously completed, and the drill body can accurately drill holes.

In a specific implementation scheme, the output shaft of the first motor is connected with a driving gear, the top and the bottom of the driving gear are engaged with driven gears, and the two driven gears are respectively and fixedly sleeved on the adjacent screw rods.

In the implementation process, the output shaft of the first motor rotates to drive the driving gear to rotate, and the rotation directions of the two driven gears are the same through the principle that the gears are meshed in opposite transmission directions, so that the rotation directions of the two screws are the same.

In a specific implementation scheme, one side of the push plate is provided with a mounting sleeve frame, and the mounting sleeve frame is fixedly sleeved on the first motor.

In the implementation process, the installation sleeve frame is fixedly sleeved on the first motor, so that the position of the first motor is fixed.

In a specific embodiment, a handle is arranged at one end of the push plate far away from the mounting sleeve frame.

In the implementation process, the handle is arranged so as to push the push plate, and therefore the second sleeve on one side of the push plate is attached to a workpiece to be drilled.

In a specific embodiment, a non-slip cylinder is sleeved on the handle.

In the implementation process, the anti-slip cylinder is arranged to improve the friction force between the hand and the handle.

In a specific implementation scheme, a lantern ring is arranged inside the second sleeve, the drill body is rotatably installed inside the lantern ring, a sliding rod is fixed inside the second sleeve, a sliding sleeve is arranged outside the lantern ring, and the sliding sleeve is slidably sleeved on the sliding rod.

In the implementation process, the drill body is rotatably arranged inside the lantern ring, and the sliding sleeve outside the lantern ring is sleeved on the sliding rod in a sliding manner, so that the drill body in a rotating state can move transversely.

In a specific embodiment, the drill body includes conical head, threaded rod and fluting pole, the conical head the threaded rod with the fluting pole connects gradually, the fluting pole surface is provided with smooth portion, the inside bearing that is provided with of the lantern ring, smooth portion outer lane is fixed mutually with the bearing inner circle.

In the above-mentioned realization process, the conical head is the tip of the body of boring to bore the plane, the threaded rod sets up the screwed body of rod for the surface, after the conical head bored into certain degree of depth, through the screw thread on threaded rod surface, so that carry out subsequent drilling motion, through smooth portion outer lane and the fixed setting mutually of bearing inner race, in order to improve the stability of grooving pole at the inside rotation process of lantern ring.

In a specific implementation scheme, the number of the sliding rods is two, the two sliding rods are symmetrically arranged inside the second sleeve, the sliding sleeves are arranged corresponding to the sliding rods, and the two sliding sleeves are respectively sleeved on the adjacent sliding rods.

In the implementation process, the two sliding sleeves are respectively sleeved on the adjacent sliding rods, so that the stability of the drill body in the transverse movement in the second sleeve is improved.

In a specific embodiment, the outer wall of the grooving rod is provided with a plurality of tooth blocks which are distributed equidistantly along the circumferential side of the grooving rod.

In the implementation process, the plurality of tooth blocks are distributed equidistantly along the peripheral side of the grooving rod, so that when the drill body rotates to drive the grooving rod to rotate, the plurality of tooth blocks rotate along with the grooving rod, and the grooving rod can better crush and groove.

In a specific embodiment, the antiskid pad is provided with a through hole for the drill body to pass through.

In the implementation process, the through hole is arranged so that the drill body can move transversely on the anti-skid pad.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a straight-flute pilot drill provided in an embodiment of the present application;

FIG. 2 is a front cross-sectional view of a first sleeve and a second sleeve provided in accordance with an embodiment of the present application;

FIG. 3 is a schematic illustration of the positions of the drive gear and the driven gear of FIG. 2 according to an embodiment of the present disclosure;

FIG. 4 is a schematic structural diagram of a drill body provided in an embodiment of the present application;

fig. 5 is a cross-sectional view of the slotted rod of fig. 4, provided in accordance with an embodiment of the present application.

In the figure: 100-a first sleeve; 110-a push plate; 111-a first electric machine; 112-a drive gear; 113-a driven gear; 114-mounting a sleeve frame; 115-a handle; 120-through slots; 121-screw rod; 130-moving plate; 131-a second motor; 200-a second sleeve; 210-a drill body; 211-cone head; 212-a threaded rod; 213-grooved bars; 2131-smooth part; 2132-a tooth block; 220-non-slip mat; 221-a through hole; 230-a collar; 231-a sliding sleeve; 240-sliding bar.

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making creative efforts shall fall within the protection scope of the present application.

Referring to fig. 1-5, the present application provides a straight-flute guide drill, including a first sleeve 100 and a second sleeve 200, one end of the first sleeve 100 is open, a push plate 110 is disposed on one side of the first sleeve 100, a first motor 111 is disposed on one side of the push plate 110 and inside the first sleeve 100, through grooves 120 are disposed on the top and bottom of the inside of the first sleeve 100, screws 121 are rotatably mounted on the two through grooves 120, the first motor 111 is respectively in transmission connection with the two screws 121, a moving plate 130 is disposed inside the first sleeve 100, the top and bottom of the moving plate 130 are respectively in threaded connection with the adjacent screws 121, the second sleeve 200 is fixed on one end of the first sleeve 100, a drill body 210 is slidably mounted inside the second sleeve 200, a second motor 131 is disposed on one side of the moving plate 130, an output shaft of the second motor 131 is connected with the drill body 210, the drill body 210 sequentially and movably penetrates through the first sleeve 100 and the second sleeve 200, a non-slip pad 220 is disposed on one end of the second sleeve 200, and one end of the drill body 210 penetrates through the non-slip pad 220.

In some specific embodiments, the output shaft of the first motor 111 is connected to a driving gear 112, the top and the bottom of the driving gear 112 are engaged with driven gears 113, the two driven gears 113 are respectively and fixedly sleeved on adjacent screws 121, the output shaft of the first motor 111 rotates to drive the driving gear 112 to rotate, and the rotation directions of the two driven gears 113 are the same by the principle that the gears are engaged with each other in opposite transmission directions, so that the rotation directions of the two screws 121 are the same.

In some specific embodiments, a mounting sleeve rack 114 is disposed on one side of the push plate 110, the mounting sleeve rack 114 is fixedly sleeved on the first motor 111, and the mounting sleeve rack 114 is fixedly sleeved on the first motor 111, so as to ensure that the position of the first motor 111 is fixed.

In some embodiments, a handle 115 is provided at an end of the push plate 110 away from the mounting bracket 114, and the handle 115 is configured to push the push plate 110 so as to ensure that the second sleeve 200 on one side of the push plate 110 fits the workpiece to be drilled.

In some embodiments, a slip-resistant cartridge is coupled to the handle 115, and is configured to increase friction between a human hand and the handle 115.

In some specific embodiments, a collar 230 is disposed inside the second sleeve 200, the drill body 210 is rotatably mounted inside the collar 230, a sliding rod 240 is fixed inside the second sleeve 200, a sliding sleeve 231 is disposed outside the collar 230, the sliding sleeve 231 is slidably sleeved on the sliding rod 240, because the drill body 210 is rotatably mounted inside the collar 230, and the sliding sleeve 231 outside the collar 230 is slidably sleeved on the sliding rod 240, the design is such that the drill body 210 in a rotating state can move laterally.

In some specific embodiments, the drill body 210 includes a conical head 211, a threaded rod 212 and a grooved rod 213, the conical head 211, the threaded rod 212 and the grooved rod 213 are sequentially connected, a smooth portion 2131 is provided on the surface of the grooved rod 213, a bearing is provided inside the collar 230, an outer ring of the smooth portion 2131 is fixed to an inner ring of the bearing, the conical head 211 is an end of the drill body 210 so as to drill a plane, the threaded rod 212 is a rod body with a thread on the surface, after the conical head 211 drills a certain depth, the subsequent drilling motion is performed through the thread on the surface of the threaded rod 212, and the outer ring of the smooth portion 2131 is fixed to the inner ring of the bearing so as to improve the stability of the grooved rod 213 in the rotation process inside the collar 230.

In some specific embodiments, two sliding rods 240 are provided, the two sliding rods 240 are symmetrically disposed inside the second sleeve 200, the sliding sleeves 231 are disposed corresponding to the sliding rods 240, the two sliding sleeves 231 are respectively sleeved on the adjacent sliding rods 240, and the two sliding sleeves 231 are respectively sleeved on the adjacent sliding rods 240, so as to improve the stability of the drill body 210 moving laterally inside the second sleeve 200.

In some embodiments, the grooved bars 213 are provided with a plurality of tooth blocks 2132 on the outer wall thereof, and the plurality of tooth blocks 2132 are equally spaced around the circumference of the grooved bars 213. Since the plurality of tooth blocks 2132 are equally spaced around the circumference of the grooved bars 213, the plurality of tooth blocks 2132 rotate with the rotation of the grooved bars 213 when the drill body 210 rotates, so that the grooved bars 213 can perform the breaking grooving work better.

In some embodiments, the non-slip mat 220 is provided with a through hole 221 for the drill body 210 to pass through, and the through hole 221 is configured to allow the drill body 210 to move laterally on the non-slip mat 220.

The working principle of the straight-flute pilot drill is as follows: because one end of the drill body 210 penetrates through the anti-slip pad 220, the end of the drill body 210 is aligned with a position to be drilled, the anti-slip pad 220 is attached to the region to be drilled through the position of the anti-slip pad 220, so as to vertically position the end of the drill body 210, then the first motor 111 and the second motor 131 are started, because the two through grooves 120 are rotatably provided with the screws 121, the first motor 111 is in transmission connection with the two screws 121 respectively, so that the first motor 111 is started to drive the two screws 121 to simultaneously rotate, because the top and the bottom of the moving plate 130 are in threaded connection with the adjacent screws 121 respectively, the moving plate 130 can only transversely move, while the output shaft of the second motor 131 is connected with the drill body 210, and the second motor 131 is started to drive the drill body 210 to rotate, so that the transverse movement and the rotation movement of the drill body 210 are simultaneously completed, so that the drill body 210 can perform more accurate drilling operation.

It should be noted that the specific model specifications of the first motor 111 and the second motor 131 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted.

The power supply of the first motor 111 and the second motor 131 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein.

The above description is only an example of the present application and is not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A straight flute guide drill is characterized by comprising

The device comprises a first sleeve (100), wherein one end of the first sleeve (100) is provided with an opening, one side of the first sleeve (100) is provided with a push plate (110), one side of the push plate (110) is provided with a first motor (111) inside the first sleeve (100), the top end and the bottom end inside the first sleeve (100) are respectively provided with a through groove (120), the two through grooves (120) are respectively rotatably provided with a screw rod (121), the first motor (111) is respectively in transmission connection with the two screw rods (121), a movable plate (130) is arranged inside the first sleeve (100), and the top and the bottom of the movable plate (130) are respectively in threaded sleeve connection with the adjacent screw rods (121);

second sleeve (200), second sleeve (200) are fixed in first sleeve (100) one end, the inside slidable mounting of second sleeve (200) has the body of boring (210), moving plate (130) one side is provided with second motor (131), second motor (131) output shaft with the body of boring (210) links to each other, bore the body (210) in proper order the activity run through in first sleeve (100) with second sleeve (200), keep away from second sleeve (200) the one end of first sleeve (100) is provided with slipmat (220), it runs through out slipmat (220) to bore body (210) one end.

2. The straight flute guide drill according to claim 1, characterized in that an output shaft of the first motor (111) is connected with a driving gear (112), the top and the bottom of the driving gear (112) are engaged with driven gears (113), and two driven gears (113) are respectively fixedly sleeved on the adjacent screw rods (121).

3. The straight flute guide drill according to claim 2, characterized in that a mounting sleeve frame (114) is arranged on one side of the push plate (110), and the mounting sleeve frame (114) is fixedly sleeved on the first motor (111).

4. The straight flute pilot drill according to claim 3, characterized in that the end of the push plate (110) remote from the mounting bracket (114) is provided with a handle (115).

5. The straight flute pilot drill of claim 4, characterized in that an anti-slip cylinder is sleeved on the handle (115).

6. The straight flute guide drill according to claim 1, characterized in that a sleeve ring (230) is arranged inside the second sleeve (200), the drill body (210) is rotatably mounted inside the sleeve ring (230), a sliding rod (240) is fixed inside the second sleeve (200), a sliding sleeve (231) is arranged outside the sleeve ring (230), and the sliding sleeve (231) is slidably sleeved on the sliding rod (240).

7. The straight flute guide drill according to claim 6, characterized in that the drill body (210) comprises a conical head (211), a threaded rod (212) and a grooved rod (213), the conical head (211), the threaded rod (212) and the grooved rod (213) are connected in sequence, the grooved rod (213) is provided with a smooth part (2131) on the surface, the collar (230) is provided with a bearing inside, and the outer ring of the smooth part (2131) is fixed with the inner ring of the bearing.

8. The straight flute pilot drill according to claim 6, characterized in that, there are two slide bars (240), two slide bars (240) are symmetrically arranged inside the second sleeve (200), the sliding sleeves (231) are arranged corresponding to the slide bars (240), and the two sliding sleeves (231) are respectively sleeved on the adjacent slide bars (240).

9. The straight flute pilot drill according to claim 7, characterized in that the outer wall of the grooved bar (213) is provided with a plurality of tooth blocks (2132), and the number of tooth blocks (2132) is equally distributed along the circumferential side of the grooved bar (213).

10. The straight flute guide drill according to claim 1, characterized in that the anti-skid pad (220) is provided with a through hole (221) for the drill body (210) to pass through.