CN107262764B - A kind of bench drill - Google Patents
A kind of bench drill Download PDFInfo
- Publication number
- CN107262764B CN107262764B CN201710413048.9A CN201710413048A CN107262764B CN 107262764 B CN107262764 B CN 107262764B CN 201710413048 A CN201710413048 A CN 201710413048A CN 107262764 B CN107262764 B CN 107262764B
- Authority
- CN
- China
- Prior art keywords
- knob
- fuselage
- axial position
- shaft
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a kind of bench drills, comprising: fuselage, drill bit assembly and adjusting positioning mechanism；Operation, which adjusts positioning mechanism, can drive drill bit assembly mobile relative to fuselage；Adjusting positioning mechanism includes: the shaft for user's operation to drive drill bit assembly mobile with respect to fuselage, and with shaft constitute along its it is axial be flexibly connected and around its axis the knob that connects of one-directional rotation；Knob has the first axial position and second axial position；When knob is in the first axial position, it can be restricted during rotation is dynamic；When knob is in second axial position, it can not be limited during knob.The invention has the benefit that can be improved the degree of regulation of drilling depth.
Description
Technical field
The invention belongs to power tools technology fields, and in particular to a kind of bench drill.
Background technique
Currently, drilling machine has been widely used in multiple places such as factory, family, various straight for boring in various material
The hole of diameter, various depth.
Such drilling machine includes an adjusting positioning mechanism for controlling drilled depth dimensions, it can be achieved that repeating to bore same more
The hole of one depth dimensions.
There are two types of common adjusting positioning mechanisms: one is being fixed on handle turntable, another kind is to be fixed on drilling machine master
On axis axle sleeve.
Former is that a upper becket is covered in Handl eof drill press fixed disk, and the outer ring of becket screws on locking knob, gold
Belonging on ring has location graduation, is locked again with knob after positioning, it is rotated with the rotation of handle.
Latter is then that a group part is fixed on drill press spindle axle sleeve, this group part includes a work moving up and down
Dynamic part locks the movable block with tool when positioning.It moves up and down with the lifting of drill bit.
All there is obvious drawbacks for above two structure: the former operating space is small, and is frequently necessary to both hands operation, very not
It is convenient；Latter configuration is often locked by tool, and movable block anchor point has certain distance away from drill bit in the axial direction, is commonly used
It can main shaft generation deviation and noise.
Summary of the invention
It is an object of the invention to overcome deficiency in the prior art, a kind of bench drill is provided, a component reality can be passed through
Four kinds of existing drill bit assembly up and down, locking and release operations, while the degree of regulation of drilling depth can also be improved.
To solve prior art problem, the invention discloses a kind of bench drills, comprising: fuselage, drill bit assembly and adjusting positioning
Mechanism；Operation adjusts positioning mechanism and limits moving distance of the driving drill bit assembly with respect to fuselage；
Adjusting positioning mechanism includes:
Shaft for user's operation to drive drill bit assembly mobile relative to fuselage,
And it constitutes with shaft and axial is flexibly connected and the knob of the one-directional rotation connection around its axis along it；
Knob has the first axial position and second axial position；
When knob is in the first axial position, it can be restricted during knob；
When knob is in second axial position, it can not be limited during knob.
Further, an end of shaft is connected with fixing piece, and a pressure spring is arranged between fixing piece and knob to structure
At elastic connection；
Knob is only in the first axial position under the active force of pressure spring, and knob overcomes active force to be under user's operation
Second axial position.
Further, knob have one along its it is axially extending made of receiving portion；Pressure spring is set in receiving portion.
Further, an end of shaft is connected with elastic slice, and the end abutment knob of elastic slice is to constitute elastic connection；
Knob can be in the first axial position under the active force of elastic slice, and knob overcomes at active force under user's operation
In second axial position.
Further, a positioning pin is provided on fuselage, knob can be with the positioning protrusion of detent fit with one.
Further, a positioning pin is provided on fuselage, the side of knob is connected with positioning ring；Positioning ring can with one
With the positioning protrusion of detent fit.
Further, the end of knob have it is several radially extend made of notch, positioning ring have it is several radially
Boss made of extending outwardly；Knob and positioning ring constitute circumferential fixation under the cooperation of notch and boss.
Further, knob constitutes one-directional rotation connection by unilateral bearing and shaft.
Further, there are several locating slots being uniformly distributed circumferentially in shaft, be provided with spring steel ball in knob；Steel
Pearl can be caught in locating slot under the action of the spring.
Further, positioning mechanism is adjusted further include: the gear being mounted in shaft and the cunning being slidably mounted on fuselage
Dynamic casing；Drill bit assembly is mounted on sliding sleeve, and the gear teeth, the gear teeth of gear and the wheel of sliding sleeve are provided on sliding sleeve
Tooth engagement.
The invention has the benefit that drill bit assembly up and down, locking and release can be realized by a component
Four kinds of operations, while the degree of regulation of drilling depth can also be improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a preferred embodiment of the invention；
Fig. 2 is the cross-sectional view of the structure that positioning is realized in embodiment illustrated in fig. 1；
Fig. 3 is the Structure explosion diagram that positioning is realized in embodiment illustrated in fig. 1；
Fig. 4 is the structural schematic diagram that positioning is adjusted in embodiment illustrated in fig. 1.
Appended drawing reference:
10 fuselages；101 positioning pins；20 columns；30 drill bit assemblies；40 adjust positioning mechanism；401 fixing pieces；402 pressure springs；
403 knobs；404 unilateral bearings；405 positioning rings；406 screws；407 shafts；408 handwheels；409 fixed sleevings；410 sliding sleeves
Pipe；411 gears；50 bases.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
Embodiment one
As shown in Figures 1 to 4, a kind of bench drill specifically includes that fuselage 10, column 20, drill bit assembly 30, adjusts positioning mechanism
40 and base 50.Drill bit assembly 30 is slidably mounted on fuselage 10, and fuselage 10 is slidably mounted on column 20.In process
The adjusting of big displacement quantity realizes that the adjusting of small displacement is by drill bit assembly 30 in machine by lifting of the fuselage 10 on column 20
Lifting on body 10 is realized.
Base 50 has a fixed work top of the workpiece to be processed, work top and level under normal conditions
Face is in parallel consequently facilitating the fixation of workpiece.One end of column 20 is fixed on base 50, and axis is vertical with work top.
The side of fuselage 10 is provided with positioning pin 101, and positioning pin 101 can be axially mounted on fuselage 10 along it.Fuselage 10
The height for being slidably connected to adjust fuselage 10 is constituted with column 20.
Adjusting positioning mechanism includes: fixing piece 401, pressure spring 402, knob 403, unilateral bearing 404, positioning ring 405, screw
406, shaft 407, handwheel 408, fixed sleeving 409, sliding sleeve 410 and gear 411.
The adjusting of drill bit assembly 30 is by being realized with flowering structure:
Shaft 407 is rotatablely installed on fuselage 10, and both ends stretch out in fuselage outer side respectively, and wherein one end is on fuselage 10
The side for being not installed with positioning pin 101 is stretched out, which installs handwheel 408 for user's operation.Fixed sleeving 409 is installed on fuselage 10
On, 410 sliding sleeve of sliding sleeve is mounted in interior composition being slidably connected perpendicular to work top of fixed sleeving 409.Drill bit assembly
30 are installed on the bottom of sliding sleeve 410, and the side of sliding sleeve 410 is provided with along the wheel perpendicular to the arrangement of work top direction
Tooth, installs gear 411, the gear teeth of gear 411 and the gear teeth meshing of sliding sleeve 410 in shaft 407, when user's rotating shaft just
It can be realized the lifting of drill bit assembly 30.There are many in such a way that shaft 407 realizes that drill bit assembly 30 is gone up and down, thus it is different herein
One repeats.
The positioning of drill bit assembly 30 is by being realized with flowering structure:
The side that the other end of shaft 407 is equipped with positioning pin 101 on fuselage 10 is stretched out.It is machined on the end face at the end
Axially disposed threaded hole, fixing piece 401 are connect by screw thread with the end of shaft 407.
Knob 403 and positioning ring 405 are co-axially mounted with shaft 407.Knob 403 have an annular wall, the wall with
Unilateral bearing 404 is set between shaft 407, and positioning ring 405 is connect by screw 406 with knob 403.Knob 403 can be opposite
Shaft 407 is rotated around a rotation direction.In addition to this, knob 403 also constitutes being slidably connected along 407 axial direction of shaft with shaft 407,
So that knob 403 can also slide axially with respect to shaft 407 along it.
The inner end of knob 403 is additionally provided with several along its circumferential equally distributed notch, if being provided on positioning ring 405
Protrusion radially outstanding is done, protrusion is inserted into make positioning ring 405 connect with knob 403 in corresponding notch, is rotated
Knob 403 will drive positioning ring 405 to rotate synchronously, and the length that the length of one of protrusion is greater than other protrusions forms convex
It rises to form limit cooperation with positioning pin 101.
The outer end of knob 403 has a receiving portion being axially formed, and pressure spring 402 is set in receiving portion, pressure spring 402
One end connection receiving portion bottom, the head of other end connection fixture 401 is to by knob 403 and shaft 407 and solid
Determine part 401 and constitutes elastic connection.Pressure spring 402 generates an active force axial along shaft 407, under the active force, knob 403
It is pressed towards fuselage 10.When user applies a direction power opposite with 402 active force of pressure spring to knob 403, knob 403 then can be to
Direction far from fuselage 10 is mobile.
During knob 403 moves axially, knob 403 has the first axial position and phase of relatively close fuselage 10
To the second axial position far from fuselage 10.When knob 403 is in the first axial position, knob 403 drives 405 turns of positioning ring
In dynamic process, positioning protrusion can be limited by the positioning pin 101 on fuselage 10 and turn knob 403 can not further
It is dynamic.When knob 403 is in second axial position, the rotation of knob 403 will not be limited by positioning pin 101.Without outer
Masterpiece used time, knob 403 are in the first axial position under the active force of pressure spring 402.When by external force, knob 403
It can be in second axial position under external force.
There are several locating slots being uniformly distributed circumferentially in shaft 407, be provided with spring steel ball in knob；Steel ball is in bullet
It can be caught in locating slot under the action of spring.When knob 403 is in second axial position, when knob 403 rotates, steel ball can block
Enter in locating slot to have the function that position based reminding.
Carry out height adjustment when, rotate forward handwheel 408 make drill bit assembly 30 decline specific range (or drill tip reach
A certain designated position), knob 403 makes positioning protrusion contact (this with the positioning pin 101 on fuselage 10 with the rotation of shaft 407
When the handwheel 408 that continues to rotate, drill bit assembly 30 do not decline, and knob 403 does not also rotate).It rotates backward positive again after handwheel 408
Handwheel 408 is rotated, drill bit assembly 30 drops to position or the distance of last time decline.
If the depth of drill bit assembly decline is less than last drill bit assembly descending depth, it is dynamic to repeat previous step
Make.If reseting descending depth is greater than last specific range, pulls out knob 403 and reach second axial position, it is fixed at this time
Positioning protrusion on the ring 405 of position can cross the positioning pin 101 on fuselage 10, due to the effect of unilateral bearing 404,403 energy of knob
Opposite shaft 407 one-directionally rotates, and after turning to specific position, unclamping knob 403 makes it be restored to the under the action of pressure spring 402
One axial position rotates forward handwheel 408 at this time, while shaft 407 and knob 403 being driven to turn to positioning protrusion together again
Until the secondary limit by positioning pin 101.
Embodiment two
The difference is that, in the present embodiment, the outer end of shaft 407 is connected with elastic slice, the end of elastic slice with embodiment one
Abut knob 403.The alternative pressure spring 402 of which, and omit fixing piece 401.
Embodiment three
The difference is that, in the present embodiment, knob outer wall directly forms one can be with detent fit with embodiment one
Positioning protrusion, no longer need to by be arranged positioning ring 405 positioned.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of bench drill, comprising: fuselage (10), drill bit assembly (30) and adjusting positioning mechanism (40)；Operate the adjusting positioning
Mechanism (40) can limit the moving distance of the relatively described fuselage (10) of the drill bit assembly (30)；It is characterized by:
The adjusting positioning mechanism (40) includes:
Shaft (407) for user's operation to drive the drill bit assembly (30) mobile relative to the fuselage (10),
And it constitutes with the shaft (407) and axial is flexibly connected and the knob of the one-directional rotation connection around its axis along it
(403)；
The knob (403) has the first axial position and second axial position；
When the knob (403) is in the first axial position, it can be restricted during knob (403) rotation；
When the knob (403) is in second axial position, it can not be limited during knob (403) rotation.
2. a kind of bench drill according to claim 1, it is characterised in that: an end of the shaft (407) is connected with solid
Determine part (401), a pressure spring (402) are set between the fixing piece (401) and the knob (403) to constitute elastic connection；
The knob (403) is only in the first axial position, the knob under the active force of the pressure spring (402)
(403) active force is overcome to be in the second axial position under user's operation.
3. a kind of bench drill according to claim 2, it is characterised in that: the knob (403) has one and prolongs along its axial direction
Receiving portion made of stretching；Pressure spring (402) is set in the receiving portion.
4. a kind of bench drill according to claim 1, it is characterised in that: an end of the shaft (407) is connected with bullet
Piece, knob (403) described in the end abutment of the elastic slice is to constitute elastic connection；
The knob (403) can be in the first axial position under the active force of the elastic slice, and the knob (403) exists
The active force is overcome to be in the second axial position under user's operation.
5. a kind of bench drill according to any one of claims 1 to 4, it is characterised in that: be provided on the fuselage (10) certain
Position pin (101), the knob (403) have a positioning protrusion that can cooperate with the positioning pin (101).
6. a kind of bench drill according to any one of claims 1 to 4, it is characterised in that: be provided on the fuselage (10) certain
Position pin (101), the side of the knob (403) is connected with positioning ring (405)；The positioning ring (405) can be with institute with one
State the positioning protrusion of positioning pin (101) cooperation.
7. a kind of bench drill according to claim 6, it is characterised in that: the end of the knob (403) has several along diameter
To notch made of extension, the positioning ring (405) has boss made of several extend radially outward；The knob
(403) circumferential fixation is constituted under the cooperation of the notch and the boss with the positioning ring (405).
8. a kind of bench drill according to claim 1, it is characterised in that: the knob (403) by unilateral bearing (404) with
The shaft (407) constitutes one-directional rotation connection.
9. a kind of bench drill according to claim 1, it is characterised in that: have on the shaft (407) several circumferentially equal
The locating slot of even distribution, the knob (403) is interior to be provided with spring steel ball；Steel ball can be caught in the positioning under the action of the spring
In slot.
10. a kind of bench drill according to claim 1, it is characterised in that: the adjusting positioning mechanism (40) further include: installation
In the gear (411) on the shaft (407) and the sliding sleeve (410) being slidably mounted on the fuselage (10)；The brill
Head assembly (30) is mounted on the sliding sleeve (410), is provided with the gear teeth, the gear on the sliding sleeve (410)
(411) gear teeth meshing of the gear teeth and the sliding sleeve (410).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710413048.9A CN107262764B (en) | 2017-06-05 | 2017-06-05 | A kind of bench drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710413048.9A CN107262764B (en) | 2017-06-05 | 2017-06-05 | A kind of bench drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107262764A CN107262764A (en) | 2017-10-20 |
| CN107262764B true CN107262764B (en) | 2018-12-04 |
Family
ID=60065080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710413048.9A Expired - Fee Related CN107262764B (en) | 2017-06-05 | 2017-06-05 | A kind of bench drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107262764B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113547152A (en) * | 2020-04-24 | 2021-10-26 | 浙江博来工具有限公司 | Bench drill degree of depth adjustment positioning mechanism |
| CN115805332A (en) * | 2022-12-26 | 2023-03-17 | 扬州科迪机电制造有限公司 | Magnetic drill press convenient for improving drilling precision |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5127775A (en) * | 1991-11-01 | 1992-07-07 | Smith & Wesson Corp. | Fail safe stop for a drill press control device |
| CN2677099Y (en) * | 2004-01-04 | 2005-02-09 | 青岛地恩地机电科技股份有限公司 | Borehole depth measuring scale of table drill |
| CN101780550B (en) * | 2009-01-19 | 2013-01-09 | 苏州宝时得电动工具有限公司 | Table type tool |
| CN203171020U (en) * | 2013-03-25 | 2013-09-04 | 蚌埠天宇机械工具有限公司 | Drilling machine depth limiting device |
| CN204035725U (en) * | 2014-08-04 | 2014-12-24 | 浙江西菱股份有限公司 | A kind of tapping control apparatus of drilling tapping machine |
-
2017
- 2017-06-05 CN CN201710413048.9A patent/CN107262764B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN107262764A (en) | 2017-10-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 |