Drill bit cutting edge grinding device, drill bit cutting edge polishing process and drill bit

文档序号:1763799 发布日期:2019-12-03 浏览:41次 中文

阅读说明:本技术 钻头刃口打磨装置、钻头刃口打磨方法及钻头 (Drill bit cutting edge grinding device, drill bit cutting edge polishing process and drill bit ) 是由 周瑞华 朱伟良 张业宝 于 2019-10-12 设计创作,主要内容包括:本发明公开了一种钻头刃口打磨装置,属于钻头加工技术领域,其技术方案要点是,包括底座;轴线平行于底座的打磨轮,所述打磨轮外圆周侧壁均布有由合成树脂材质制成的打磨纤毛;承载于底座用于产生动力驱使打磨轮周向自转的驱动装置;沿打磨轮的轴向滑移设置的滑块,所述滑块的顶面设置有用于固定待打磨钻头的钻头卡装机构;和用于收集磨削碎屑的集尘装置。该种打磨装置具有操作简单安全、容易控制磨削量、便于实时检查打磨情况的优势。本发明的另一目的是公开一种应用前述钻头刃口打磨装的钻头刃口打磨方法,其具有操作简便、安全的优势。此外,本发明还公开了一种钻头,其刃口经由前述方法打磨,锋利、不易崩坏,使用寿命更长。(The invention discloses a kind of drill bit cutting edge grinding devices, belong to drill bit processing technique field, its key points of the technical solution are that, including pedestal;Axis is parallel to the grinding wheel of pedestal, and the grinding wheel excircle side wall is evenly equipped with cilium of polishing made of synthetic resin material;Pedestal is carried on for generating the driving device that power drives grinding wheel circumferential direction rotation;Along the sliding block of the axial sliding setting of grinding wheel, the top surface of the sliding block is provided with the drill bit installed body for fixed drill bit to be polished;With the dust collect plant for collecting grinding clast.This kind of grinding device have it is easy to operate safely, be easy to control stock removal, the advantage convenient for checking polishing situation in real time.It is another object of the present invention to disclose a kind of drill bit cutting edge polishing process using previous bit cutting edge polishing dress, with easy to operate, safe advantage.Sharp, be not easy to crumble in addition, cutting edge is polished via preceding method the invention also discloses a kind of drill bit, the service life is longer.)

1. a kind of drill bit cutting edge grinding device, it is characterised in that:

Including pedestal (1);

Axis is parallel to the grinding wheel (2) of pedestal (1), and grinding wheel (2) the excircle side wall is evenly equipped with by synthetic resin material Manufactured polishing cilium (3);

It is carried on the driving device that pedestal (1) drives the circumferential rotation of grinding wheel (2) for generating power;

Along the sliding block (4) of the axial sliding setting of grinding wheel (2), the top surface of the sliding block (4) is provided with for fixed wait polish Drill bit (8) installed body of drill bit (8);

With the dust collect plant for collecting grinding clast.

2. drill bit cutting edge grinding device according to claim 1, it is characterised in that: the installed body includes clamping block (5), the clamping block (5) is set to sliding block (4) top surface by pin rotation;The top surface for clamping block (5) is provided with for drill bit (8) card holding trough (51) being caught in.

3. drill bit cutting edge grinding device according to claim 2, it is characterised in that: the cross section of the card holding trough (51) is in Triangle, semicircle or trapezoidal.

4. drill bit cutting edge grinding device according to claim 1, it is characterised in that: the grinding wheel (2) includes wheel body (21) and coaxial sleeve is set to the ring body (22) of wheel body (21), and polishing cilium (3) is distributed in the outer circle walls of ring body (22);Institute The inner circumferential side wall for stating ring body (22) is provided with several fixture blocks (221), and the periphery of the wheel body (21) is provided with several for the card The bayonet (211) that block (221) is caught in;It is removably connected with by bolt for preventing fixture block on the end face of the wheel body (21) (221) it is detached from the fixed plate (23) of wheel body (21).

5. drill bit cutting edge grinding device according to claim 1, it is characterised in that: the driving device is servo motor (24), the servo motor (24) provides driving force by way of direct-drive or indirect drive for grinding wheel (2).

6. drill bit cutting edge grinding device according to claim 1, it is characterised in that: the dust collect plant includes and bleed wind The dust leg (7) of machine connection, is communicated with several dust guiding tubes (71) on the dust leg (7);The dust guiding tube (71) is far from dust Manage the alignment grinding wheel (2) open at one end of (7).

7. drill bit cutting edge grinding device according to claim 1, it is characterised in that: sliding block (4) top surface is detachably set It is equipped with a locating rod (6), the top surface of the sliding block (4) is provided with several location holes (42) for locating rod (6) insertion;It is described fixed Position hole (42) linearly arranges, and the line of location hole (42) is perpendicular to grinding wheel (2) axis.

8. a kind of drill bit cutting edge polishing process, it is characterised in that: with drill bit cutting edge grinding device described in claim 1 to drill bit (8) cutting edge (82) is polished.

9. a kind of drill bit cutting edge polishing process according to claim 8, it is characterised in that: include the following steps,

P1, drive grinding wheel (2) with the rotational speed of 2800-3200rpm by driving device;

P2, drill bit (8) to be polished is installed in installed body, so that the head end of drill bit (8) is towards grinding wheel (2);

P3, pressing drill bit (8) keep drill bit (8) be fixed on clamp block (5), rotation clamp block (5) to drill bit (8) deviate perpendicular to Grinding wheel (2) axis direction maintains drill bit (8) state, sliding block (4) is slid along grinding wheel (2) axial reciprocating, so that grinding wheel (2) the polishing cilium (3) on polishes to drill bit (8) head end cutting edge (82), and the control polishing time is 8-15s.

10. a kind of drill bit, it is characterised in that: cutting edge (82) is beaten via drill bit described in claim 8 (8) cutting edge (82) polishing process Mill processing.

Technical field

The present invention relates to drill bit processing technique fields, more specifically, it relates to a kind of drill bit cutting edge grinding device, drill bit Cutting edge polishing process and drill bit.

Background technique

During use, passivation even tipping can be presented in the main sword and chisel edge of drill bit with increasing for access times Phenomenon, in order to protect cutting edge to extend the service life of drill bit.Drill bit generally requires the main sword and cross to drill bit after machine-shaping Sword is polished, and shape is ground to form 1-3 curved edges at cutting edge, and neither influence cutting edge cuts sharpness, and can be right Cutting edge plays a protective role.

Currently, polishing drill bit is often that technology master worker is polished using abrasive machine and polishing paper.Abrasive machine technique for grinding Complexity, operating process are more, it is difficult to control polishing accuracy, and midway of polishing is inconvenient to check the stock removal of cutting edge.Polishing paper is beaten Mill is then more demanding to operator, and not only grinding efficiency is low easily causes polishing to damage.

For this purpose, the Chinese patent that Authorization Notice No. is CN208681172U discloses a kind of drill bit blade automatic sharpening dress Set, including pedestal, shake hands, main sharpener, sleeve are shaken hands and horizontal blade abrading block, need to hold chisel edge knife abrading block when in use, The chisel edge of high-speed rotating drill bit end is cooperated to polish with the sharpening slot on chisel edge knife abrading block.Operational stability is poor, and needs Various sizes of drill bit is cooperated to polish using various sizes of sharpening slot, operation ease and safety are poor, can not It is fully solved the above problem.

Summary of the invention

In view of the deficiencies of the prior art, the present invention intends to provide a kind of drill bit cutting edge grinding device, tool Have that structure is simple, advantage of easy-to-operate.

To achieve the above object, the present invention provides the following technical scheme that

A kind of drill bit cutting edge grinding device, including pedestal;Axis is parallel to the grinding wheel of pedestal, the grinding wheel excircle side wall It is evenly equipped with cilium of polishing made of synthetic resin material;It is carried on pedestal and drives grinding wheel circumferential direction rotation for generating power Driving device;Along the sliding block of the axial sliding setting of grinding wheel, the top surface of the sliding block is provided with for fixed drill bit to be polished Drill bit installed body;With the dust collect plant for collecting grinding clast.

By using above-mentioned technical proposal, when polishing, drill bit is fastened in installed body, so that the head end of drill bit is towards beating Emery wheel.Grinding wheel is driven to rotate by driving device, using can be to drill bit with polishing cilium high-speed rotating in grinding wheel Cutting edge is ground.When polishing, sliding block is slid along grinding wheel axial reciprocating, can be realized to drill bit cutting edge each point uniform grinding. The rationally control polishing time den bohrkopf abbauen can be checked and be beaten at cutting edge at any time in bruting process, it can be achieved that grinding output controlling Grind situation.Polishing cilium is made of synthetic resin material, has the characteristics that wearability is good, toughness is good, polishes compared to sand paper, In Not easy damaged drill bit while realizing polishing.The setting of dust collect plant, allow the grinding clast that generates in bruting process by Centralized processing is collected, the clean hygiene in the workshop of processing is maintained.

Further, the installed body includes clamping block, and the clamping block is set to sliding block top surface by pin rotation; The top surface for clamping block is provided with the card holding trough being caught in for drill bit.

By using above-mentioned technical proposal, rotation, which clamps block, can adjust the gradient of drill bit so that be applicable to it is various not With the polishing of cutting edge gradient drill bit.When polishing, drill chuck is loaded on card holding trough, pressing is fixed, easy to operate.

Further, the cross section of the card holding trough is triangular in shape, semicircle or trapezoidal.

By using above-mentioned technical proposal, the clamping to drill bit can be realized, it is easy to operate.

Further, the grinding wheel includes the ring body that wheel body and coaxial sleeve are set to wheel body, and the polishing cilium is distributed in The outer circle wall of ring body;The inner circumferential side wall of the ring body is provided with several fixture blocks, and the periphery of the wheel body is provided with several for institute State the bayonet that fixture block is caught in;It is removably connected with by bolt for preventing fixture block to be detached from consolidating for wheel body on the end face of the wheel body Fixed board.

By using above-mentioned technical proposal, after removing fixed plate, ring body and wheel body can be separated, be fought each other with can be convenient The ring body of mill cilium serious wear is replaced, and the ease of use of drill bit cutting edge grinding device is increased.

Further, the driving device is servo motor, and the servo motor passes through direct-drive or indirect drive Mode provides driving force for grinding wheel.

By using above-mentioned technical proposal, energization servo motor can work, and be easy to control start and stop.And servo motor Revolving speed and steering are controllable, can satisfy the polishing requirement of different model drill bit.

Further, the dust collect plant includes the dust leg being connected to bleed blower, if being communicated on the dust leg Dry dust guiding tube;Open at one end alignment grinding wheel of the dust guiding tube far from dust leg.

By using above-mentioned technical proposal, under the action of dust blower, negative pressure is generated in dust leg, what when polishing generated Clast can be guided via dust leg, convenient for the cleaning to clast.Several dust guiding tubes are set on dust leg, so that dirt can be led each It is provided with a dozen grinder positions at pipe, the polishing dust suction of multiple groups grinding wheel can be matched simultaneously.

Further, the sliding block top surface is detachably provided with a locating rod, and the top surface of the sliding block is provided with several confessions The location hole of locating rod insertion;The location hole linearly arranges, and the line of location hole is perpendicular to polishing wheel axis.

By using above-mentioned technical proposal, locating rod is inserted into location hole, position-limiting action can be played to block is clamped, that is, clamped Block can not rotate after turning an angle, for polishing with the mass deviation for controlling each drill bit when money drill bit.Replacement positioning Bar is inserted into different location holes, can limit clamping block and rotate different angles, can satisfy the brill of different angle inclination cutting edge Head polishing demand, increases sanding operation convenience and applicability.

The purpose of the present invention is to provide a kind of drill bit cutting edge polishing process, with security advantages easy to operate.

To achieve the above object, the present invention provides the following technical scheme that

A kind of drill bit cutting edge polishing process polishes to the cutting edge of drill bit with above-mentioned drill bit cutting edge grinding device.

It by using above-mentioned technical proposal, can smoothly operate, operator does not contact or close to grinding wheel, and operation is more pacified Entirely.

Further, include the following steps,

P1, drive grinding wheel with the rotational speed of 2800-3200rpm by driving device;

P2, drill chuck to be polished is loaded on installed body, so that the head end of drill bit is towards grinding wheel;

P3, pressing drill bit keep drill bit to be fixed on clamping block, and rotation clamps block to drill bit and deviates perpendicular to grinding wheel axis direction, Maintain drill bit state, slide sliding block along grinding wheel axial reciprocating so that polishing cilium in grinding wheel to drill bit head end cutting edge into Row polishing, control polishing time are 8-15s.

By using above-mentioned technical proposal, sanding operation is simple, safe, more simplifies than traditional abrasive machine operating procedure, It is easier to control grinding accuracy than the polishing of manual sand paper, polishing is not easily caused to damage.

The purpose of the present invention is to provide a kind of drill bits, with cutting edge useful life longevity more preferably advantage.

To achieve the above object, the present invention provides the following technical scheme that

A kind of drill bit, cutting edge is via above-mentioned drill bit cutting edge polishing process grinding process.

Via the drill bit that the above method is polished, 1-3 curved edges are formed at cutting edge, had both remained the cutting cutting edge of a knife or a sword of cutting edge Sharp degree, and be not easy to crumble after making cutting edge stress, the service life is longer.

In conclusion the invention has the following advantages:

1, by the grinding wheel for being equipped with polishing cilium and equipped with the sliding block of installed body, it can easily realize and drill bit cutting edge is beaten Mill, control polishing time are that may make to form 1-3 arcuate blades at bit edge mouth, remain the sharpness of cutting edge and with not Easily crumble cutting edge, the advantage that the service life is longer;

2, dust leg is connected with bleed blower, and the dust guiding tube of several opening alignment grinding wheels is communicated on dust leg, and when polishing can Quickly to siphon away grinding clast, keep polishing workshop clean;

3, grinding wheel includes wheel body and dismountable ring body, and polishing cilium is set to ring body, can when polishing cilium serious wear Quickly ring body is replaced.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of drill bit cutting edge grinding device in embodiment 1;

Fig. 2 is the enlarged drawing of part A in Fig. 1;

Fig. 3 is the explosive view of grinding wheel in embodiment 2;

Fig. 4 is the structural schematic diagram of drill bit in embodiment 4.

In figure: 1, pedestal;2, grinding wheel;21, wheel body;211, bayonet;22, ring body;221, fixture block;23, fixed plate;231, Fixing bolt;24, servo motor;3, polishing cilium;4, sliding block;41, sliding rail;42, location hole;5, block is clamped;51, card holding trough; 52, pin is installed;6, locating rod;7, dust leg;71, dust guiding tube;8, drill bit;81, the body of rod;82, cutting edge.

Specific embodiment

Below in conjunction with attached drawing, invention is further described in detail.

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