CN104588745A - Integrated hole drilling device - Google Patents
Integrated hole drilling device Download PDFInfo
- Publication number
- CN104588745A CN104588745A CN201410708901.6A CN201410708901A CN104588745A CN 104588745 A CN104588745 A CN 104588745A CN 201410708901 A CN201410708901 A CN 201410708901A CN 104588745 A CN104588745 A CN 104588745A
- Authority
- CN
- China
- Prior art keywords
- drill
- turning handle
- main body
- centre
- hole making
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
- B23B51/0426—Drills for trepanning with centering devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses an integrated hole drilling device. The integrated hole drilling device comprises a rotating handle, a central drill and a drill bit body, wherein the central drill and the drill bit body are fixedly connected with the rotating handle. The rear end of the center drill is inserted into the rotating handle. The integrated hole drilling device is characterized in that an installation hole is formed in a base plate of the drill bit body, an annular groove matched with the installation hole is formed in the front portion of the rotating handle, the drill bit body is fixedly connected with the rotating handle through the annular groove, the center drill is provided with a locating protruding block located in the rotating handle, and a concave hole containing the locating protruding block is formed in the rotating handle. The integrated hole drilling device is firm in structure, not prone to looseness or damage, convenient to machine and product, and capable of effectively improving production efficiency.
Description
Technical field
The invention belongs to field of machining, particularly relate to a kind of integral type hole making drill.
Background technology
Hole making drill is usually used on thinner metallic plate or plank, offer circular through hole, centre drill is normally plugged in the front portion of turning handle by existing hole making drill, again turning handle is fixed on the base plate of drill main body, utilizes riveted joint, the mode such as interference connects, bonding or welding is fixed the connection between each parts.Interference connects conveniently processes with bonding fixed form and assembles, but in the use procedure of hole making drill, usually vibration can be produced, and also there is larger twisting resistance between each parts, also easy fever expansion when centre drill and drill main body cutting plate, just easily produce between each parts of such hole making drill and loosen and come off, cause hole making drill to damage; The fixed form of welding is comparatively firm, but produces and assemble just comparatively complicated like this, reduces production efficiency.
The turning handle of existing hole making drill adopts cast iron or steel to make usually, cost is higher, existing most five metals processing producer does not possess the condition adopting casting molding process simultaneously, turning handle can only carry out being connected and installing with the miscellaneous part of hole making drill by cold working or the mode of welding, and production efficiency is lower.But be mainly used in the twisting resistance of rig and pressure actuation on centre drill and drill main body due to turning handle, do not need directly to cut sheet material, therefore higher hardness and intensity is not needed, only need hot strength to meet the demands, other materials being convenient to injection mo(u)lding therefore can be adopted to manufacture turning handle.
The composite be mixed by nylon and glass has good mechanical property, and it has been widely applied in machine industry as the alternative materials of some traditional metal materials.
Summary of the invention
In order to solve the problem, the object of the present invention is to provide a kind of sound construction, not easily loosen and damage integral type hole making drill.
The present invention is the technical scheme that its technical problem of solution adopts:
A kind of integral type hole making drill, comprise turning handle and be fixedly connected with centre drill and drill main body with turning handle respectively, the rear portion of centre drill is plugged in turning handle, it is characterized in that: the base plate of described drill main body is provided with an installing hole, turning handle front portion is provided with an annular groove suitable with this installing hole, and drill main body is fixedly connected with by this annular groove with turning handle; Described centre drill is provided with the locating convex block of the inside being positioned at turning handle, is provided with the shrinkage pool for holding this locating convex block in described turning handle.
Preferably, described turning handle to be fixedly connected with centre drill by Shooting Technique and drill main body and shaping.
Preferably, described turning handle is made up of nylon-glass fiber composite material.
As improvement, described drill main body is also provided with and can be fastened on described locating convex block for limiting the locating slot that rotate of centre drill relative to drill main body.
Further, described locating slot be centrally auger spindle to arrange bar-shaped trough.
As improvement, described drill main body is also provided with and is set in outside described locating convex block for limiting the locating slot that rotate of centre drill relative to drill main body.
The invention has the beneficial effects as follows: the base plate being positioned at the grips drill main body at annular groove two ends due to turning handle in the present invention, limit moving axially of the relative turning handle of drill main body, the cross section of annular groove and the mating shapes of installing hole, the part making this turning handle be positioned at this annular groove is embedded on installing hole, limit moving radially of the relative turning handle of drill main body, make drill main body to be firmly fixed on turning handle; Meanwhile, turning handle limits moving radially of the relative turning handle of centre drill, moving axially of the recycling locating convex block restriction relative turning handle of centre drill, centre drill is firmly fixed on turning handle, just not easily produce between each parts of such centre drill and loosen and damage, structure is simple simultaneously, is convenient to produce; On the other hand, because the fusing point of nylon and glass is lower, the composite adopting nylon and glass to be mixed substitutes traditional metal material and makes turning handle, just can in centre drill and drill main body orientation assemble to corresponding mould after adopt the manufacture technics turning handle of injection mo(u)lding, it is fixing that turning handle after shaping directly completes centre drill and drill main body, easy to process, effectively improve production efficiency.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is the structure chart of hole making drill in the present invention;
Fig. 2 is the perspective view of hole making drill in the present invention;
Fig. 3 is the exploded view of hole making drill in the present invention;
Fig. 4 is the sectional view in the present invention after hole making drill decomposition;
Fig. 5 is the partial enlarged drawing of part A in Fig. 4.
Detailed description of the invention
Referring to figs. 1 through Fig. 5, a kind of integral type hole making drill, comprise centre drill 10, drill main body 20 and turning handle 30, the base plate of drill main body 20 is provided with an orthohexagonal installing hole 21, the front portion of turning handle 30 is provided with an annular groove 31, this annular groove 31 is arranged in installing hole 21 and the shape in its cross section and size and installing hole 21 match, drill main body 20 rotating and moving radially relative to turning handle 30 can be limited, the width of annular groove 31 is identical with the thickness of the base plate of drill main body 20, the part such turning handle 30 being positioned at annular groove 31 two ends just can clamp the base plate of drill main body 20, restriction drill main body 20 moving axially relative to turning handle 30, such drill main body 20 has just been fixed on turning handle 30, and the part be plugged in installing hole 21 owing to make use of turning handle 30 carrys out transmitting torque, riveted joint relatively in the past, the assembling mode that welding and screw connect, larger torque can be transmitted, and it is not fragile.
Centre drill 10 is plugged in the fixed hole position 3212 being positioned at turning handle 30, the medium position of centre drill 10 is provided with locating convex block 11, this locating convex block 11 is plugged in the shrinkage pool 33 in turning handle 30, and the front end of locating convex block 11 is hidden by the front end face of turning handle 30, limit moving axially of the relative turning handle 30 of centre drill 10, drill main body 20 is also provided with locating slot 22 simultaneously, this locating convex block 11 is plugged in locating slot 22, limit centre drill 10 rotating relative to drill main body 20, such centre drill 10 has just been fixed on drill main body 20 and turning handle 30, and need to be directly used in cutting plate due to centre drill 10 and drill main body 20, the metal material manufactures such as normal employing No. 45 steel, and locating convex block 11 and locating slot 22 can be one-body molded when the heart bores 10 and drill main body 20 in the mill, make locating convex block 11 can bear larger twisting resistance with coordinating of locating slot 22, not fragile.Structure owing to directly make use of each parts in the present invention completes assembling and fixes, do not need the techniques such as extra carrying out is welded, riveted joint, sound construction, not easily loosen and damage, and simplifying production and assemble flow, improve production efficiency, and transmit due to the contact surface that directly make use of each material and share the twisting resistance that in hole making drill use, rig applies, larger torsional moment can be born, reduce the material requirements to turning handle 30 simultaneously, reduce the cost of product.
For ease of assembling in the present embodiment, installing hole 21 have employed orthohexagonal shape, comparatively large with the contact surface of turning handle 30, and is convenient to processing and location, and locating convex block 11 and locating slot 22 all centrally bore the axis setting of 10, are convenient to alignment and install.Certainly be not limited thereto, locating convex block 11 also can adopt other arbitrary structures such as set square, cylinder, and installing hole 21 also can adopt other arbitrary shapes such as triangle, ellipse, rhombus, irregular polygon.
Owing to being positioned at the part at annular groove 31 two ends of turning handle 30, comparatively installing hole 21 is large, directly turning handle 30 cannot be installed through installing hole 21, simultaneously also because locating convex block 11 is positioned at turning handle 30 inside, be fixed in the fixed hole position 32 that centre drill 10 also directly cannot be plugged in turning handle 30, the technique such as injection moulding, casting therefore need be adopted after being fixed on the positioning centre drill 10 and drill main body 20 to make turning handle 30.
Because most of five metals manufacturing firm does not possess the condition using casting process, therefore nylon-glass fiber composite material can be adopted to substitute traditional cast iron or steel making turning handle 30, nylon-glass fiber composite material has good mechanical property, there is higher hot strength, and fusing point is lower, Shooting Technique machine-shaping easy to use.
Centre drill 10 rear portion be also provided with embossing 13, when injection mo(u)lding, this embossing 13 is embedded in the inwall of turning handle 30, further increase between centre drill 10 and turning handle 30 connect stable degree.
The component of nylon-glass fiber composite material that the present embodiment adopts comprises the nylon of 70% weight ratio and the glass fibre of 30% weight ratio, turning handle mould cooling forming is injected after drying and thermoplastic, centre drill 10 and drill main body 20 have been fixed in this turning handle mould in advance, and the structure of the cavity that surrounds of centre drill 10, drill main body 20 and turning handle mould and turning handle 30 matches.This manufacture method is easy to implement, and namely completes fixing a hole making drill parts after injection mo(u)lding, effectively reduces production and assemble flow, improves production efficiency.
Its bending strength of nylon-glass fiber composite material of this component is 147.6Mpa, and hot strength is 134.2Mpa, and impact strength is 11.3kJ/m2, and softening point is 197 DEG C.Therefore be heated to about 200 DEG C can to soften and for injection mo(u)lding, in the use procedure of hole making drill, the temperature of turning handle 30 is usually below 100 DEG C, and turning handle 30 is mainly by the effect of shearing force, and the hot strength of this nylon-glass fiber composite material can meet general instructions for use.
The foregoing is only preferred embodiments of the present invention, as long as the technical scheme realizing the object of the invention with basic same approach all belongs within protection scope of the present invention.
Claims (6)
1. an integral type hole making drill, comprise turning handle (30) and be fixedly connected with centre drill (10) and drill main body (20) with turning handle (30) respectively, the rear portion of centre drill (10) is plugged in turning handle (30), it is characterized in that: the base plate of described drill main body (20) is provided with an installing hole (21), turning handle (30) front portion is provided with an annular groove (31) suitable with this installing hole (21), and drill main body (20) is fixedly connected with by this annular groove (31) with turning handle (30); Described centre drill (10) is provided with the locating convex block (11) of the inside being positioned at turning handle (30), is provided with the shrinkage pool (33) for holding this locating convex block (11) in described turning handle (30).
2. a kind of integral type hole making drill according to claim 1, is characterized in that: described turning handle (30) to be fixedly connected with centre drill (10) by Shooting Technique and drill main body (20) and shaping.
3. a kind of integral type hole making drill according to claim 2, is characterized in that: described turning handle (30) is made up of nylon-glass fiber composite material.
4. a kind of integral type hole making drill according to claim 3, is characterized in that: the described component for the nylon-glass fiber composite material making turning handle (30) comprises the nylon of 70% weight ratio and the glass fibre of 30% weight ratio.
5. a kind of integral type hole making drill according to claim 1, is characterized in that: described drill main body (20) is also provided with and can be fastened on described locating convex block (11) for limiting the locating slot (22) that rotate of centre drill (10) relative to drill main body (20).
6. a kind of integral type hole making drill according to claim 5, is characterized in that: described locating slot (22) is centrally bore (10) axial bar-shaped trough arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410708901.6A CN104588745B (en) | 2014-11-28 | 2014-11-28 | A kind of integral type hole making drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410708901.6A CN104588745B (en) | 2014-11-28 | 2014-11-28 | A kind of integral type hole making drill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104588745A true CN104588745A (en) | 2015-05-06 |
| CN104588745B CN104588745B (en) | 2018-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410708901.6A Expired - Fee Related CN104588745B (en) | 2014-11-28 | 2014-11-28 | A kind of integral type hole making drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104588745B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10359854A1 (en) * | 2003-12-19 | 2005-07-14 | Tigra Hartstoff Gmbh | Cylinder head drilling tool for use during processing of e.g. wood, has tool body with head, and cutting plate connected to front face of head, where body is made of fiber-reinforced plastic e.g. carbon/glass fiber-reinforced plastic |
| CN202726139U (en) * | 2012-08-02 | 2013-02-13 | 慈溪光华实业有限公司 | Hole saw component capable of being quickly replaced |
| CN102990132A (en) * | 2012-11-26 | 2013-03-27 | 苏州币龙装饰工程有限公司 | Drill bit |
| CN102990136A (en) * | 2012-11-26 | 2013-03-27 | 苏州币龙装饰工程有限公司 | Boring drill |
| CN102990138A (en) * | 2012-11-26 | 2013-03-27 | 苏州币龙装饰工程有限公司 | Hollow drill bit |
-
2014
- 2014-11-28 CN CN201410708901.6A patent/CN104588745B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10359854A1 (en) * | 2003-12-19 | 2005-07-14 | Tigra Hartstoff Gmbh | Cylinder head drilling tool for use during processing of e.g. wood, has tool body with head, and cutting plate connected to front face of head, where body is made of fiber-reinforced plastic e.g. carbon/glass fiber-reinforced plastic |
| CN202726139U (en) * | 2012-08-02 | 2013-02-13 | 慈溪光华实业有限公司 | Hole saw component capable of being quickly replaced |
| CN102990132A (en) * | 2012-11-26 | 2013-03-27 | 苏州币龙装饰工程有限公司 | Drill bit |
| CN102990136A (en) * | 2012-11-26 | 2013-03-27 | 苏州币龙装饰工程有限公司 | Boring drill |
| CN102990138A (en) * | 2012-11-26 | 2013-03-27 | 苏州币龙装饰工程有限公司 | Hollow drill bit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104588745B (en) | 2018-05-29 |
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Granted publication date: 20180529 Termination date: 20201128 |