CN108437090A - A kind of carpenter's hole making drill - Google Patents

Abstract

The invention discloses a kind of carpenter's hole making drills, including holder, are set to the drill bit assembly of stent length direction centre bottom, are symmetrically positioned in the cutting assembly of drill bit assembly both sides, affixed cutting assembly is simultaneously connected to the clamping device on holder；Holder includes the mandril coaxial with drill bit assembly being set at the top of carriage center, symmetrically opens the bracket groove for connecting clamping device in mandril both ends；Drill bit assembly includes drill bit, is socketed drill bit and installs drill bit to the drill bushing of carriage center bottom；Holder further includes out in the mounting structure of the receiving drill bit component of carriage center bottom.What the present invention can quickly and easily carry out open pore size has grade variation, and ensure to cut the stabilization and circularity in aperture, the drill bit of the replacement prebored hole of the quick and convenient stabilization of energy simultaneously, and the stroke according to the size adjusting of the specific drill bit used from prebored hole to cutting operation, make trepanning stable quality, it is easy to adjust, it is adaptable.

Description

A kind of carpenter's hole making drill

Technical field

The present invention relates to plank machining tool field, more particularly to a kind of carpenter's hole making drill.

Background technology

Modern house finishing is the complex engineering of a system, needs to carry out installation of ceiling, shoe chest, wardrobe, locker, couch The manufacture and installation of the various wooden house ornamentation articles for use such as couch rice, it is necessary to a large amount of finished product plank is used, and these planks are usually all It needs to carry out cutting processing, for adapting to the specific size and pattern of different buildings, and often also needs to carry out in plank Trepanning, be used in furred ceiling reserve lamps and lanterns installation site, either in wall reserve TV interface installation site or Installation site of socket etc..And existing drilling tool is often very simple, centre is drill bit, the circumference centered on drill bit Face, which is gathered, above has zigzag cutting sheet, and directly brill, various sizes of circular hole need to use in plank on electric tool Different size of drilling tool needs often entire switching, and trepanning effect is bad, and durability is low.

Invention content

, can be in place of overcome the deficiencies in the prior art the object of the present invention is to provide a kind of carpenter's hole making drill, it can quick side Just progress open pore size has grade variation, and ensures to cut the stabilization and circularity in aperture, while the quick and convenient stabilization of energy is more Change the drill bit of prebored hole, and the stroke according to the size adjusting of the specific drill bit used from prebored hole to cutting operation so that Trepanning stable quality, it is easy to adjust, it is adaptable.

The present invention above-mentioned technical purpose technical scheme is that：

A kind of carpenter's hole making drill, including holder are set to the drill bit assembly of stent length direction centre bottom, are symmetrically positioned in institute State the cutting assembly of drill bit assembly both sides, the affixed cutting assembly and the clamping device being connected on the holder；The branch Frame includes the mandril coaxial with the drill bit assembly being set at the top of the carriage center, is symmetrically opened in the use at the mandril both ends In the bracket groove for connecting the clamping device；The drill bit assembly includes drill bit, is socketed the drill bit and installs the drill bit To the drill bushing of the carriage center bottom；The holder further includes out the receiving drill bit assembly in the carriage center bottom Mounting structure.

Mandril is set to hole making drill center top, the boring bar tool electric or pneumatic for connecting electric hand drill, pneumatic drill etc.； Each component installation is appropriate, before carrying out trepanning to plank, it is ensured that the tip of drill bit assembly is less than the tip of cutting assembly.In use, Directly mandril is inserted into the drill bushing of boring bar tool, boring bar tool provides the rotary power of hole making drill, drill bit assembly alignment wood The center of circle of trepanning needed for plate, into plank prebored hole needed in cutting panels of wood to forming cutting assembly to certain depth The center reference that position is stablized and the retentivity for making hole making drill be needed always perpendicular to plank in cutting process；Two cutting groups Part symmetrically divides row drill bit assembly both sides, is fixed on about in the symmetrical bracket groove of carriage center by clamping device, makes cutting The tip of component and the center of prebored hole keep identical distance, ensure that cut radius is identical；Bracket groove is along stent length side It is set as multigroup to mirror image, when clamping device is connected to cutting assembly in different bracket grooves, difference can be cut into The wooden hole of diameter.

Preferably, the drill bushing includes the collet positioned at drill bushing bottom, package, the chuck for fixing the collet are located at Positioning head at the top of drill bushing connects the interconnecting piece of the chuck and positioning head；The chuck top has a pair of opposite milling flat The lateral dimension in portion, the interconnecting piece is less than the collet and the chuck, and card slot is consequently formed.

The collet of standard can be used in collet, and to adapt to different size of drill bit, chuck can tighten or trip spring Collet keeps collet replaceable, to adapt to the drill bit of more sizes.

Preferably, the mounting structure includes the mounting groove for accommodating the drill bushing, the use at the top of the mounting groove is opened In the location hole for accommodating the positioning head, it is set to coordinating described in limit in the horizontal direction with the plat mill part in the mounting groove A pair of of Horizontal limiting plate of drill bushing, transverse splicing press from both sides the interconnecting piece in embracing in the card slot and are carried out to the drill bushing vertical A pair of of closing piece of limit provides armful folder spring for embracing grip force for the closing piece；It is provided with spring mounting hole in the mounting groove.

Horizontal limiting plate is fixedly connected on holder, can be installed with mounting groove, location hole, spring in stent fabrication process Hole integrated injection molding；The size of positioning head is less than the distance between plat mill part, ensures that positioning head passes through Horizontal limiting Plate embraces folder spring and provides lateral armful grip force, closing piece is made firmly to be plugged in card slot, prevents drill bit assembly vertically movable and turn It is dynamic；Meanwhile positioning head is inserted into location hole, and chuck also by plat mill part enter two Horizontal limiting plates between, prevent from boring Head assembly horizontal direction is mobile and rotation, to by drill bit assembly quickly, be firmly installed in holder.Holder is with electronic work Tool is dynamic by shaft rotation of mandril, and the cooperation of Horizontal limiting plate and plat mill part makes drill bit assembly be rotated with holder, thus by electronic work The power of tool is transferred to drill bit, realizes prebored hole.

Preferably, having not less than between the card slot width between at the top of the Horizontal limiting plate and at the top of mounting groove Gap, the lock body that the closing piece has the tapered end being adapted with the card slot width, is adapted with Horizontal limiting plate outer surface； The tapered end is with armful folder face being adapted with the interconnecting piece shape, described armful of folder face bottom with guide part；The lock body Lower end protrudes from Horizontal limiting plate bottom.

Closing piece is connected to by tapered end in the gap at the top of Horizontal limiting plate between mounting groove top, and is combined and embraced a folder bullet Spring provide support force, make closing piece at the top of Horizontal limiting plate and at the top of mounting groove between gap in move freely without under It falls, in its natural state, lock body is tightly attached on Horizontal limiting plate outer surface；After positioning head is by Horizontal limiting plate, it is oriented to Portion is contacted with positioning head, and closing piece is lifted off Horizontal limiting plate by guiding positioning head in correct orientation, is continued to move up, positioning head While completely into location hole, lock body return touch Horizontal limiting plate, while tapered end is inserted into card slot, completes drill bit assembly Installation；On the other hand, because lock body lower end protrudes from Horizontal limiting plate bottom, lock body lower end can be moved manually, makes drill bit group Part is easily deviate from, and facilitates whole cleaning or replaces.

Preferably, the bracket groove run through the support width direction, and with each vertical support width side To the shape size in section of formation of plane be consistent, the bracket groove includes interconnected and crosses the holder The translot and vertical slot of width direction；The translot is located at the vertical slot lower part, and the translot has one or more in holder The holding section of the vertical slot is protruded from length direction；The clamping device includes the sliding block that can be slided in the translot, is used In the latch locked or loosened the sliding block and can be slided in the vertical slot cell wall, by the latch contact in the cross Sliding block in groove bottom supports column, supports the tightening spring that column provides abutting power for the sliding block, is vertically sequentially connected the sliding block and supports The slider bracket of column, the latch, the sliding block, the cutting assembly.

Bracket groove is arranged symmetrically in mandril both ends, and the installation position of holding section is also symmetrical with respect to mandril both ends, ensures Position is stablized when connecting clamping device, and reliably, the cutting assembly on clamping device to make mandril both sides is when being cut It is a full circle that can keep identical cut radius, guarantee trepanning.

Sliding block slides in translot, i.e., abuts or be detached from holding section, makes clamping device that can fix at work, is needing It is easily moved when replacing connected bracket groove.

Preferably, the slider bracket includes stake body, the lateral length in the middle part of the stake body and the branch are opened Frame width is adapted, vertical extension is more than the cavern part of the holder vertical extension, is used to connect at the top of the cavern part The suit portion that the sliding block supports column is met, the mounting portion for installing the cutting assembly below the cavern part.

Sliding block is identical as the shape of the horizontal plane of latch, and the two length is identical as the lateral length of cavern part, Sliding block is constrained by slider bracket in the longitudinal direction with latch, is constrained in the direction of the width by translot and vertical slot, It ensure that tracking property when stabilization and the movement of sliding block and latch position, while alloing slider bracket with the width of holder Limit under the premise of in vertical plane free translation, make the movement of clamping device entirety more accurately and conveniently.

Preferably, the sliding block supports the bottom that column includes the top bell and spigot joint for connecting the suit portion, the connection sliding block The cylinder of portion's clamping joint, connection the top bell and spigot joint and bottom clamping joint；The cylinder includes the column body being detachably connected And lower prop, the column body are coaxially connected with the top bell and spigot joint, the lower prop is coaxially solid with the bottom clamping joint Even；The tightening spring is socketed on the cylinder.

To facilitate the connection for realizing that sliding block supports column and slider bracket and sliding block, tightening spring upper end and suit portion bottom surface phase Connect, when slider bracket moves up and down, suit portion bottom surface compression or landlord described in tightening spring, realize the big ditty of clamping force Section.

There is the top bell and spigot joint step, the socket part to have the stepped hole that limit is formed with the step；It is described The length of the large diameter hole of stepped hole is more than the vertical extension of the bracket groove；The flexible stroke of the tightening spring is more than the rank The length of the large diameter hole in terraced hole；Major diameter hole length and bracket groove of the vertical extension of the cavern part not less than the stepped hole The sum of vertical extension；To make clamping device when different support slot directly switches connection, pass through compressed spring, stake body top It falls on latch, forms the space more than bracket groove between slider bottom and cavern part, in the case where keeping the state, Sliding block and the whole constraint that bracket groove is detached from vertical height of latch, realize that clamping device is whole between different support slot Switching；Ensure that tightening spring has reliable clamping force always simultaneously.

Preferably, the sliding block include with the bottom clamping joint be adapted on the sliding block bottom surface it is perpendicular Hole；Open in the sliding block with the vertically disposed blocked hole of the vertical core；The horizontal plane of the vertical core is projected in the clamping Within the horizontal plane projection in hole.

Vertical core makes lower prop install to sliding block, the two is made to be connected and disconnected from conveniently for adapting to bottom clamping joint；The card It is in a rectangular blind hole to connect hole integrally, and spacing, and the width and length of its horizontal direction are all had between bottom surface on sliding block Be all higher than the size of the bottom clamping joint so that bottom clamping joint along the hole wall of the vertical core can translate and simultaneously with The cylinder is axis rotation, as long as and the position of bottom clamping joint is not just to overlap with vertical core, bottom clamping joint is not It can drop out outside the sliding block.

Preferably, the latch includes the locking head set on one edge of latch bottom, it is set to the latch bottom The secondary locking head of portion's other edge vertically runs through the perforation of the latch, is coaxially opened in the latch with the perforation The spring mounting groove of top surface；The lower face of the pair locking head is flushed with the lower face of the locking head.

Perforation is for making sliding block be passed through to column, and to connection sliding block, spring mounting groove connects tightening spring lower end, is stretching Spring provides force surface and is constrained with circumferential, makes to consolidate when tightening spring installation and action；The locking head and the holding section are wide Degree is adapted, and when sliding block is slid completely into holding section, locking head is inserted between sliding block and translot wall, is completed sliding block and is being propped up Limit on frame length direction；The lower face of secondary locking head is flushed with the lower face of locking head so that latch is completely disengaging It can completely be lain on sliding block top surface after sliding block, ensureing to take when sliding block and latch vertically movable simultaneously, it is without hindrance to facilitate.

Preferably, the cutting assembly includes the connecting plate positioned at top, it is fixed on the connection of the connecting plate bottom The cutter are fixed on the locking nut in the connecting pole by column, the cutter being installed in the connecting pole；It is described to cut Cutter bottom has the cutting head of cone；It is covered with diamond dust on the cutting head；The mounting portion is equipped with and the company The installation cavity that fishplate bar and the connecting pole are adapted.

The top of connecting plate and connecting pole is inserted into installation cavity, and the mounting surface of installation cavity can be arranged cover board and be limited Position, cutting assembly is stably mounted on clamping device, and connecting pole has the trepanning that Open Side Down, and cutter top is contained in It is interior, and the lower surface of connecting pole is equipped with screw thread, matches with locking nut, to finish cutter fixation, on cutting head It is covered with one layer of diamond dust, to generate cutting force when cutting assembly is rotated around mandril and in plank when operation, execution is cut Cut operation.

In conclusion the invention has the advantages that：

A kind of carpenter's hole making drill quickly and easily carries out open pore size by the variation of installation site of the clamping device on holder Have a grade variation, the installation site of clamping device ensures the stabilization and circularity in cutting aperture, together always about mandril central symmetry When by the drill bit assembly and mounting structure of unique texture, can quick and convenient stabilization replacement prebored hole drill bit, and lead to It crosses and replaces cutting assembly to adapt to the specific drill bit used, adjust the stroke from prebored hole to cutting operation so that trepanning quality Stablize, it is easy to adjust, it is adaptable.

Description of the drawings

Fig. 1 is the structural schematic diagram of one embodiment of the invention；

Fig. 2 is the structural schematic diagram of this hole making drill ejector rod part；

Fig. 3 is the structural schematic diagram of drill bit assembly part；

Fig. 4 is the connection diagram of clamping device each component and holder and cutting assembly；

Fig. 5 is the structural schematic diagram of slider bracket；

Fig. 6 is the structural schematic diagram that sliding block supports column；

Fig. 7 is the structural schematic diagram of sliding block；

Fig. 8 is the structural schematic diagram of latch；

Fig. 9 is the structural schematic diagram of cutting assembly.

Specific implementation mode

The present invention will be further described in detail for scheme below in conjunction with the accompanying drawings and preferably.

This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this It is all protected by Patent Law in the right of invention.

Embodiment：As shown in figs 1-9, a kind of carpenter's hole making drill, including holder 100 are set to stent length direction center bottom The drill bit assembly 200 in portion, is symmetrically positioned in the cutting assembly 300 of drill bit assembly both sides, and affixed cutting assembly is simultaneously connected on holder Clamping device 400；Holder includes the mandril 11 coaxial with drill bit assembly being set at the top of carriage center, is symmetrically opened in mandril two The bracket groove 12 for connecting clamping device at end；Drill bit assembly includes drill bit 21, is socketed drill bit and installs drill bit to holder The drill bushing 22 of centre bottom；Holder further includes out in the mounting structure 13 of the receiving drill bit component of carriage center bottom.

Drill bushing includes the collet 221 positioned at drill bushing bottom, wraps up, the chuck 222 of fixed chuck, determines at the top of drill bushing Potential head 223 connects the interconnecting piece 224 of chuck and positioning head；Chuck top has a pair of opposite plat mill part 2221, interconnecting piece Lateral dimension is less than collet and chuck, and card slot 225 is consequently formed.

Mounting structure includes the mounting groove 131 for accommodating drill bushing, opens the positioning for accommodating positioning head at the top of mounting groove Hole 132, a pair of of the Horizontal limiting plate 133 for limiting drill bushing in the horizontal direction with plat mill part cooperation being set in mounting groove, is laterally inserted A pair of of the closing piece 134 for embracing folder interconnecting piece and vertical spacing is carried out to drill bushing being connected in card slot, provides for closing piece and embraces embracing for grip force Press from both sides spring 135；Spring mounting hole 1311 is provided in mounting groove.

There is the gap not less than card slot width, closing piece has and card slot between at the top of Horizontal limiting plate and at the top of mounting groove The adaptable tapered end 1341 of width, the lock body 1342 adaptable with Horizontal limiting plate outer surface；Tapered end has and interconnecting piece shape Adaptable embraces folder face, embraces folder face bottom with guide part；Lock body lower end protrudes from Horizontal limiting plate bottom.

Bracket groove run through support width direction, and with the section of the formation of the plane of each vertical support frame width direction Shape size is consistent, and bracket groove includes translot 121 and vertical slot 122 that be interconnected and crossing support width direction；It is horizontal Slot is located at vertical slot lower part, and there is translot one or more the holding section 1221 of vertical slot is protruded from stent length direction；Dress Clamp device includes the sliding block 41 that can be slided in translot, the locking for locking or loosening sliding block and can be slided in vertical slot cell wall Block 42, column 43 is supported by sliding block of the latch contact on translot bottom surface, is supported the tightening spring 44 that column provides abutting power for sliding block, is erected To be sequentially connected sliding block to column, latch, sliding block, cutting assembly slider bracket 45.6. a kind of wood according to claim 5 Work hole making drill, it is characterised in that：Slider bracket includes stake body 451, opens lateral length and support width in the middle part of stake body Adaptable, vertical extension is more than the cavern part 452 of holder vertical extension, is set at the top of cavern part and supports column for connection sliding block Suit portion 453, the mounting portion 454 for installing cutting assembly below cavern part.

It includes the top bell and spigot joint 431 for connecting suit portion, the bottom clamping joint 432 of connection sliding block, connection top that sliding block, which supports column, The cylinder 433 of portion's bell and spigot joint and bottom clamping joint；Cylinder includes the column body being detachably connected and lower prop, column body and top Bell and spigot joint is coaxially connected, and lower prop is coaxially connected with bottom clamping joint；Tightening spring is socketed on cylinder.

Sliding block includes the vertical core 411 through bottom surface on sliding block being adapted with bottom clamping joint；Open in sliding block with The vertically disposed blocked hole of vertical core 412；The horizontal plane of vertical core is projected within the horizontal plane projection of blocked hole.

Latch includes the locking head 421 set on one edge of latch bottom, is set to the pair of latch bottom other edge Locking head 422, the vertical perforation 423 for running through latch, the spring mounting groove 424 in latch top surface is coaxially opened with perforation； The lower face of secondary locking head is flushed with the lower face of locking head.

Cutting assembly 300 includes the connecting plate 31 positioned at top, is fixed on the connecting pole 32 of connecting plate bottom, the company of being installed on The cutter 33 in column are connect, the locking nut 34 cutter being fixed in connecting pole；Cutter bottom has cutting for cone Cut first 331；Diamond dust is covered on cutting head；Mounting portion is equipped with the installation cavity 4541 adaptable with connecting plate and connecting pole.

Claims (10)

1. a kind of carpenter's hole making drill, it is characterised in that：Including holder（100）, it is set to stent length direction centre bottom Drill bit assembly（200）, it is symmetrically positioned in the cutting assembly of the drill bit assembly both sides（300）, the affixed cutting assembly simultaneously connects Clamping device on the holder（400）；The holder include be set to the carriage center at the top of with the drill bit assembly Coaxial mandril（11）, symmetrically open the bracket groove for connecting the clamping device in the mandril both ends（12）；The brill Head assembly includes drill bit（21）, it is socketed the drill bit and installs the drill bit to the drill bushing of the carriage center bottom（22）； The holder further includes out in the mounting structure of the receiving drill bit assembly of the carriage center bottom（13）.

2. a kind of carpenter's hole making drill according to claim 1, it is characterised in that：The drill bushing includes being located at drill bushing bottom Collet（221）, package, the chuck for fixing the collet（222）, the positioning head at the top of drill bushing（223）, connect the chuck With the interconnecting piece of positioning head（224）；The chuck top has a pair of opposite plat mill part（2221）, the transverse direction of the interconnecting piece Size is less than the collet and the chuck, and card slot is consequently formed（225）.

3. a kind of carpenter's hole making drill according to claim 2, it is characterised in that：The mounting structure includes accommodating the brill The mounting groove of set（131）, open the location hole for accommodating the positioning head at the top of the mounting groove（132）, it is set to described A pair of of the Horizontal limiting plate for limiting the drill bushing in the horizontal direction with plat mill part cooperation in mounting groove（133）, laterally insert A pair of of the closing piece for embracing the folder interconnecting piece and vertical spacing is carried out to the drill bushing being connected in the card slot（134）, it is described Closing piece provides armful folder spring for embracing grip force（135）；It is provided with spring mounting hole in the mounting groove（1311）.

4. a kind of carpenter's hole making drill according to claim 3, it is characterised in that：The Horizontal limiting plate top and mounting groove There is the gap not less than the card slot width, the closing piece to have the tapered end being adapted with the card slot width between top （1341）And the lock body that Horizontal limiting plate outer surface is adapted（1342）；The tapered end has and the interconnecting piece shape Adaptable embraces folder face, described armful of folder face bottom with guide part；It is most lower that the lock body lower end protrudes from the Horizontal limiting plate End.

5. a kind of carpenter's hole making drill according to claim 1, it is characterised in that：The bracket groove runs through the support width Direction, and be consistent with the shape size in the section of the formation of the plane in each vertical support width direction, it is described Bracket groove includes translot that is interconnected and crossing the support width direction（121）And vertical slot（122）；The translot is located at There is one or more the holding section of the vertical slot is protruded from stent length direction for the vertical slot lower part, the translot （1221）；The clamping device includes the sliding block that can be slided in the translot（41）, for locking or loosening the sliding block simultaneously The latch that can be slided in the vertical slot cell wall（42）, sliding block of the latch contact on the translot bottom surface is supported into column （43）, the tightening spring that column provides abutting power is supported for the sliding block（44）, the sliding block is vertically sequentially connected to column, the locking The slider bracket of block, the sliding block, the cutting assembly（45）.

6. a kind of carpenter's hole making drill according to claim 5, it is characterised in that：The slider bracket includes stake body （451）, open that lateral length in the middle part of the stake body is adapted with the support width, vertical extension is more than the holder and erects To the cavern part of length（452）, the suit portion that column is supported for connecting the sliding block at the top of the cavern part（453）If The mounting portion for installing the cutting assembly below the cavern part（454）.

7. a kind of carpenter's hole making drill according to claim 6, it is characterised in that：It includes connecting the set that the sliding block, which supports column, The top bell and spigot joint in dress portion（431）, the connection sliding block bottom clamping joint（432）, the connection top bell and spigot joint and bottom The cylinder of clamping joint（433）；The cylinder includes the column body being detachably connected and lower prop, the column body and the top Bell and spigot joint is coaxially connected, and the lower prop is coaxially connected with the bottom clamping joint；The tightening spring is socketed on the cylinder On.

8. a kind of carpenter's hole making drill according to claim 7, it is characterised in that：The sliding block includes being clamped with the bottom The vertical core through bottom surface on the sliding block that head is adapted（411）；It opens in being vertically arranged with the vertical core in the sliding block Blocked hole（412）；The horizontal plane of the vertical core is projected within the horizontal plane projection of the blocked hole.

9. a kind of carpenter's hole making drill according to claim 5, it is characterised in that：The latch includes being set to latch bottom The locking head at one edge of portion（421）, it is set to the secondary locking head of latch bottom other edge（422）, vertical through described The perforation of latch（423）, coaxially opened in the spring mounting groove of the latch top surface with the perforation（424）；The pair The lower face of locking head is flushed with the lower face of the locking head.

10. a kind of carpenter's hole making drill according to claim 6, it is characterised in that：The cutting assembly（300）Including being located at The connecting plate at top（31）, it is fixed on the connecting pole of the connecting plate bottom（32）, the cutter that are installed in the connecting pole （33）, the cutter are fixed on the locking nut in the connecting pole（34）；The cutter bottom has cone Cutting head（331）；It is covered with diamond dust on the cutting head；The mounting portion is equipped with and the connecting plate and the connecting pole Adaptable installation cavity（4541）.