阅读说明：本技术 一种精密机械制造用钻磨两用装置 (Drilling and grinding dual-purpose device for precision machinery manufacturing ) 是由 张艳鑫 尉莺凡 张天闯 于水 魏明亮 于 2019-10-29 设计创作，主要内容包括：本发明公开了一种精密机械制造用钻磨两用装置,属于机械加工设备技术领域。一种精密机械制造用钻磨两用装置,包括：外壳,还包括：设置于外壳内的电机,所述的外壳包括保护壳,所述的保护壳为柱状筒体,所述的电机同轴设置于保护壳内腔,保护壳一端设置有轴向垂直保护壳轴向的手柄,所述的手柄上设置有控制电机启闭的扳机,保护壳背离手柄的一端同轴设置有延伸筒,本发明将钻孔和打磨两道工序合一,有利于提高工作效率,本发明通过设置刻度线可进行深度可控精度更高的打孔,通过设置防护筒可避免打孔时四飞的废屑伤害使用者,本发明可避免去除毛刺时将零件表面刮花,设置有冷却机构,对打孔时进行降温,避免零件损坏或出现危险。(The invention discloses a drilling and grinding dual-purpose device for precision machine manufacturing, and belongs to the technical field of machining equipment. A drilling and grinding dual-purpose device for precision machine manufacturing comprises: a housing, further comprising: the motor is arranged in the shell, the shell comprises a protective shell, the protective shell is a cylindrical barrel body, the motor is coaxially arranged in an inner cavity of the protective shell, a handle which is axially vertical to the axial direction of the protective shell is arranged at one end of the protective shell, a trigger for controlling the motor to open and close is arranged on the handle, and an extension barrel is coaxially arranged at one end of the protective shell, which is far away from the handle.)

1. A drilling and grinding dual-purpose device for precision machine manufacturing comprises: a housing (10), characterized by further comprising: the motor (40) is arranged in the shell, the shell (10) comprises a protective shell (110), the protective shell (110) is a cylindrical barrel, the motor (40) is coaxially arranged in an inner cavity of the protective shell (110), an axial handle (120) perpendicular to the protective shell (110) in the axial direction is arranged at one end of the protective shell (110), a trigger for controlling the motor (40) to open and close is arranged on the handle (120), an extension barrel (130) is coaxially arranged at one end, deviating from the handle (120), of the protective shell (110), the extension barrel (130) is movably connected with the protective shell (110) through a first bearing, the extension barrel (130) is hollow inside, two ends of the extension barrel are arranged to form an opening, a rotating shaft (50) is coaxially arranged at one end, facing the extension barrel (130), of the motor (40), a drill bit (60) is coaxially arranged at a suspension end of the rotating shaft (50), and the drill bit (60, the drill bit (60) is close to the outer coaxial annular of seting up of one end of pivot (50), drill bit (60) divide into drill bit section and annular section, the annular section is threaded connection section (610), threaded connection section (610) diameter is less than drill bit section diameter, the coaxial cover in threaded connection section (610) outside be equipped with grinding assembly (70), grinding assembly (70) include coaxial cover locate the screw-thread cylinder of threaded connection section (610) outer disc, screw-thread cylinder and threaded connection section (610) threaded connection and screw-thread cylinder diameter equal threaded connection section (610) diameter, the coaxial cover in screw-thread cylinder outside is equipped with polishing piece (730), polishing piece (730) divide into two parts with the screw-thread cylinder and be respectively close to the threaded connection cylinder (710) of pivot (50), the polishing section (720) that deviates from pivot (50), one side that polishing piece (720) outer disc and polishing piece (730) deviate from pivot (50) sets up into the polishing face, two threaded holes (132) are oppositely formed in the outer circular surface of the suspension end of the extension cylinder (130), the two threaded holes (132) radially extend along the extension cylinder (130) and are communicated with the inner cavity of the extension cylinder (130), bolts (133) used for clamping the threaded connection cylinder (710) are arranged in the two threaded holes (132) in a matched mode, and the bolts (133) are deeply buried in the threaded holes (132).

2. The drilling and grinding dual-purpose device for precision machine manufacturing according to claim 1, wherein: the drill bit (60) is provided with scale marks extending along the axial direction of the drill bit (60).

3. The drilling and grinding dual-purpose device for precision machine manufacturing according to claim 1, wherein: the coaxial cover of extension section of thick bamboo (130) suspension end be equipped with a protection section of thick bamboo (20), protection section of thick bamboo (20) orientation deviates from the direction extension of protective housing (110), the inside cavity of protection section of thick bamboo (20) and protection section of thick bamboo (20) suspension end set to the opening, protection section of thick bamboo (20) material be transparent plastic, protection section of thick bamboo (20) through second bearing and extension section of thick bamboo (130) swing joint, through hole (210) that are used for placing the second bearing are offered in protection section of thick bamboo (20), the second bearing passes through sliding connection spare and extends a section of thick bamboo (130) sliding connection and the parallel extension section of thick bamboo (130) axial of sliding connection spare direction.

4. The drilling and grinding dual-purpose device for precision machine manufacturing according to claim 1, wherein: one side of the polishing piece (730) departing from the rotating shaft (50) is provided with a plurality of balls (731) along the circumferential direction, the balls (731) can rotate in place, most of the balls (731) are embedded in the polishing piece (730), and the balls (731) extend out of the outside zero point by five millimeters.

5. The drilling and grinding dual-purpose device for precision machine manufacturing according to claim 3, wherein: the protective cylinder (20) is provided with a cooling mechanism (30), the cooling mechanism (30) comprises an injection cylinder (310) arranged at one end of the protective cylinder (20) close to the extension cylinder (130), one end of the injection cylinder (310) extends into the inner cavity of the protective cylinder (20), a piston is arranged in the inner cavity of the injection cylinder (310) in a matching manner, a push rod (320) extending to the outside is coaxially arranged at one side of the piston, a push plate (330) is coaxially arranged at the suspension end of the push rod (320), an inlet pipe (340) communicated with the inner cavity of the injection cylinder (310) is coaxially arranged at one end of the injection cylinder (310) located in the inner cavity of the protective cylinder (20), a liquid inlet pipe (350) and a liquid outlet pipe (360) are arranged at the suspension end of the inlet pipe (340), the liquid inlet pipe (350) and the liquid outlet pipe (360) are mutually communicated, the liquid outlet pipe (360) obliquely points to the drill bit (60), and the distance between the liquid outlet pipe (360) and reduce gradually, feed liquor pipe (350) radially extend and feed liquor pipe (350) extend to the external world along protection section of thick bamboo (20), feed liquor pipe (350) in be provided with first check valve, first check valve is used for controlling in external liquid one-way inflow feed liquor pipe (350), drain pipe (360) in be provided with the second check valve, the second check valve is used for controlling the one-way inflow drain pipe (360) inner chamber of liquid in inlet and outlet pipe (340).

Technical Field

The invention belongs to the technical field of machining equipment, and particularly relates to a drilling and grinding dual-purpose device for precision machine manufacturing.

Background

When the machinery is manufactured, drilling operation is needed to be carried out sometimes, burrs can appear during drilling, the burrs need to be removed, in the process, the drilling and the deburring are divided into two parts to be operated, when the drilling is more, the two procedures are relatively troublesome, and the existing drilling device is single in function and cannot meet diversified requirements.

Disclosure of Invention

The invention aims to solve the problem of low machining efficiency caused by two working procedures of the existing mechanical machining drilling and grinding drilling, and provides a drilling and grinding dual-purpose device for precision machine manufacturing.

In order to achieve the purpose, the invention adopts the following technical scheme:

a drilling and grinding dual-purpose device for precision machine manufacturing comprises: a housing, further comprising: the motor is arranged in the shell, the shell comprises a protective shell, the protective shell is a columnar cylinder body, the motor is coaxially arranged in an inner cavity of the protective shell, a handle which is axially vertical to the axial direction of the protective shell is arranged at one end of the protective shell, a trigger for controlling the motor to open and close is arranged on the handle, an extension cylinder is coaxially arranged at one end of the protective shell, which is far away from the handle, the extension cylinder is movably connected with the protective shell through a first bearing, the extension cylinder is hollow, two ends of the extension cylinder are provided with openings, a rotating shaft is coaxially arranged at one end of the motor, which faces the extension cylinder, the suspension end of the rotating shaft is coaxially provided with a drill bit, the drill bit passes through the inner cavity of the extension cylinder and extends to the outside, an annular groove is coaxially arranged at the outer part of one end, which is close to the rotating shaft, the drill, the screw thread section of thick bamboo of the outer disc of threaded connection section is located to the subassembly of polishing including coaxial cover, screw thread section of thick bamboo equals the threaded connection section diameter with threaded connection section threaded connection and screw thread section diameter, the coaxial cover in screw thread section of thick bamboo outside is equipped with the polishing piece, the polishing piece falls into two parts and be the threaded connection section of thick bamboo that closes on the pivot respectively, the polishing section of thick bamboo that deviates from the pivot, the polishing face is set to with the one side that the piece of polishing deviates from the pivot to the outer disc of polishing section of thick bamboo outer disc, it is equipped with two screw holes to extend a section of thick bamboo outer disc phase-to-phase, two screw holes extend a section of thick bamboo inner chamber along extending a section of thick bamboo radial extension and two screw hole intercommunications, the.

Preferably, the drill bit is provided with scale marks extending along the axial direction of the drill bit.

Preferably, the coaxial cover of an extension section of thick bamboo suspension end be equipped with a protection section of thick bamboo, a protection section of thick bamboo orientation deviates from the direction extension of protective housing, the inside cavity of a protection section of thick bamboo and a protection section of thick bamboo suspension end set to the opening, a protection section of thick bamboo material be transparent plastic, a protection section of thick bamboo passes through the second bearing and extends a swing joint, a protection section of thick bamboo offers the through hole that is used for placing the second bearing, the second bearing passes through sliding connection spare and extends a sliding connection and the parallel extension section of thick bamboo axial of sliding connection spare direction.

Preferably, one side of the polishing piece, which is far away from the rotating shaft, is provided with a plurality of balls along the circumferential direction, the balls can rotate in situ, most of the balls are embedded in the polishing piece, and the balls extend out of the external zero point by five millimeters.

Preferably, the protective cylinder is provided with a cooling mechanism, the cooling mechanism comprises an injection tube arranged at one end of the protective cylinder close to the extension cylinder, one end of the injection tube extends into the inner cavity of the protective cylinder, the inner cavity of the injection tube is provided with a piston in a matching manner, one side of the piston is coaxially provided with a push rod extending to the outside, the suspension end of the push rod is coaxially provided with a push plate, one end of the injection tube, which is positioned in the inner cavity of the protective cylinder, is coaxially provided with an inlet and outlet tube communicated with the inner cavity of the injection tube, the suspension end of the inlet and outlet tube is provided with a liquid inlet tube and a liquid outlet tube which are communicated with each other, the liquid outlet tube points to the drill bit obliquely, the distance between the liquid outlet tube and the drill bit is gradually reduced from the direction from the connecting end of the drill bit to the suspension end of the drill bit, the liquid inlet tube extends along the radial direction of the protective cylinder and, and a second one-way valve is arranged in the liquid outlet pipe and is used for controlling the liquid in the inlet pipe and the liquid out of the outlet pipe to flow into the inner cavity of the liquid outlet pipe in a one-way mode.

Compared with the prior art, the invention provides a drilling and grinding dual-purpose device for precision machine manufacturing, which has the following beneficial effects:

1. when the drilling machine drills, the rotary polishing assembly adjusts the distance between the polishing piece and the drill bit suspension end, then the threaded connection cylinder is fastened through the bolt, the motor is started, the motor drives the rotating shaft to rotate, the rotating shaft drives the drill bit to rotate, the drill bit penetrates deep into a drilled part along with the rotation of the drill bit, when the polishing piece abuts against the surface of the part, the drill bit stops penetrating, the polishing cylinder polishes the inner wall of the drilled hole at the moment, the polishing piece polishes the surface of the part, burrs are eliminated, the drilling process and the polishing process are combined into one process, the time is saved, the operation precision is improved, and deep and controllable drilling can be carried out by adjusting the distance between the polishing piece and the drill bit suspension end.

2. According to the invention, the punching with higher controllable depth and higher precision can be carried out by setting the scale lines, the damage to a user caused by four flying scraps during punching can be avoided by setting the protective cylinder, the surface of a part can be prevented from being scraped when burrs are removed, and the cooling mechanism is arranged to cool during punching, so that the part is prevented from being damaged or generating danger.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a schematic view of the connection structure of the motor, the rotating shaft and the drill bit according to the present invention;

FIG. 5 is a schematic diagram of a sanding assembly according to the present invention;

FIG. 6 is a schematic view of the cooling mechanism of the present invention;

FIG. 7 is a cross-sectional view of the present invention;

FIG. 8 is a partial cross-sectional view of the present invention;

FIG. 9 is a schematic view of the protective cylinder of the present invention;

FIG. 10 is a schematic view of an extension cartridge of the present invention;

FIG. 11 is a schematic view of a polishing pad of the present invention.

The reference numbers in the figures illustrate:

10. a housing; 110. a protective shell; 120. a handle; 130. an extension cylinder; 131. a guide key groove; 132. a threaded hole; 133. a bolt; 20. a protective cylinder; 210. a through hole; 220. a guiding flat key; 30. a cooling mechanism; 310. an injection tube; 320. a push rod; 330. pushing the plate; 340. an inlet pipe and an outlet pipe; 350. a liquid inlet pipe; 360. a liquid outlet pipe; 40. a motor; 50. a rotating shaft; 60. a drill bit; 610. a threaded connection section; 70. polishing the assembly; 710. a threaded connection barrel; 720. polishing the barrel; 730. grinding the sheets; 731. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the mechanism or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 11, a drilling and grinding dual-purpose device for precision machine manufacturing includes: the housing 10, further includes: set up motor 40 in the shell, shell 10 include protective housing 110, protective housing 110 be the column barrel, motor 40 coaxial setting in protective housing 110 inner chamber, protective housing 110 one end is provided with the axial handle 120 of the perpendicular protective housing 110 of axial, handle 120 on be provided with the trigger that control motor 40 opened and close, protective housing 110 deviates from the coaxial extension section of thick bamboo 130 that is provided with of one end of handle 120, extension section of thick bamboo 130 through first bearing and protective housing 110 swing joint, the inside cavity of extension section of thick bamboo 130 and both ends set up to the opening, motor 40 is provided with pivot 50 towards the one end of extension section of thick bamboo 130 coaxial, pivot 50 suspension end is coaxial to be provided with drill bit 60, drill bit 60 passes extension section of thick bamboo 130 inner chamber and extends to the external world, the annular has been seted up to the outside coaxial of one end that drill bit 60 closes on pivot 50, drill bit 60 divide into drill bit section and annular section, the diameter of the threaded connection section 610 is smaller than that of the drill bit section, the grinding assembly 70 is coaxially sleeved outside the threaded connection section 610, the grinding assembly 70 comprises a threaded cylinder coaxially sleeved on the outer circular surface of the threaded connection section 610, the threaded cylinder is in threaded connection with the threaded connection section 610, the diameter of the threaded cylinder is equal to that of the threaded connection section 610, the grinding piece 730 is coaxially sleeved outside the threaded cylinder, the threaded cylinder is divided into two parts by the grinding piece 730 and is respectively a threaded connection cylinder 710 close to the rotating shaft 50, the polishing cylinder 720 is away from the rotating shaft 50, the outer circular surface of the polishing cylinder 720 and one side of the polishing sheet 730 away from the rotating shaft 50 are set as polishing surfaces, two threaded holes 132 are oppositely formed in the outer circular surface of the suspension end of the extension cylinder 130, the two threaded holes 132 radially extend along the extension cylinder 130, the two threaded holes 132 are communicated with the inner cavity of the extension cylinder 130, bolts 133 used for clamping the threaded connection cylinder 710 are arranged in the two threaded holes 132 in a matching manner, and the bolts 133 are deeply buried in the threaded holes 132; during drilling, the distance between the polishing piece 730 and the drill bit 60 suspension end is adjusted to rotatory subassembly 70 of polishing, fasten threaded connection section of thick bamboo 710 with bolt 133 afterwards, starter motor 40, motor 40 drives pivot 50 and rotates, pivot 50 drives drill bit 60 and rotates, along with drill bit 60 rotates, drill bit 60 deeply goes into the part of drilling, when polishing piece 730 contradicts the part surface, drill bit 60 stops to go deep, polishing section of thick bamboo 720 polishes the drilling inner wall this moment, polishing piece 730 polishes the part surface, thereby eliminate the burr, will drill and polish the synthetic one process of twice process, time has been saved, the operation precision has been improved, and can carry out the controllable punching of degree of depth through adjusting the distance between polishing piece 730 and the drill bit 60 suspension end.

More perfectly, in order to further improve the precision, the drill 60 is provided with scale marks extending along the axial direction of the drill 60; the depth of the perforation can be precisely controlled by adjusting the position of the polishing pad 730 on the graduation marks.

More perfect, in order to avoid the situation that the scrap flies four times during drilling and accidentally injures the eyes or the hands of a user, the suspension end of the extension cylinder 130 is coaxially sleeved with the protection cylinder 20, the protection cylinder 20 extends towards the direction away from the protection shell 110, the protection cylinder 20 is hollow inside and the suspension end of the protection cylinder 20 is provided with an opening, the protection cylinder 20 is made of transparent plastic, the protection cylinder 20 is movably connected with the extension cylinder 130 through a second bearing, the protection cylinder 20 is provided with a through hole 210 for placing the second bearing, the second bearing is slidably connected with the extension cylinder 130 through a sliding connecting piece, and the guiding direction of the sliding connecting piece is parallel to the axial direction of the extension cylinder 130; when drilling, the open end of the protective cylinder 20 is abutted against the surface of the part, so that the drill 60 can be ensured to be perpendicular to the surface of the part, and the drilled hole is perpendicular to the surface of the part, and the extension cylinder 130 slides towards the inner cavity of the protective cylinder 20 along with the continuation of the drilling, so that the continuity of the drilling is ensured.

More perfectly, the sliding connection piece includes a guiding flat key 220 arranged on the inner circle surface of the second bearing inner circle, and a guiding key slot 131 arranged on the outer circle surface of the extension cylinder 130 and matched with the guiding flat key 220.

More perfectly, in order to avoid the polishing sheet 730 from scratching the smooth outer surface of the part, a plurality of balls 731 are arranged on one side of the polishing sheet 730, which is far away from the rotating shaft 50, along the circumferential direction, the balls 731 can rotate in situ, most of the balls 731 are embedded in the polishing sheet 730, and the balls 731 extend out of the external zero point by five millimeters; when the grinding piece 730 grinds the edge of the drilling hole, the ball 731 enables the grinding piece 730 and the surface of the part to have a gap of zero point five millimeters, so that burrs can be ground without damaging the surface of the part.

More perfectly, in order to avoid melting of parts when drilling holes on parts with lower melting points, the protective cylinder 20 is provided with the cooling mechanism 30, the cooling mechanism 30 comprises an injection cylinder 310 arranged at one end of the protective cylinder 20 close to the extension cylinder 130, one end of the injection cylinder 310 extends into the inner cavity of the protective cylinder 20, the inner cavity of the injection cylinder 310 is provided with a piston in a matching manner, one side of the piston is coaxially provided with a push rod 320 extending to the outside, the suspension end of the push rod 320 is coaxially provided with a push plate 330, one end of the injection cylinder 310 positioned in the inner cavity of the protective cylinder 20 is coaxially provided with an inlet-outlet pipe 340 communicated with the inner cavity of the injection cylinder 310, the suspension end of the inlet-outlet pipe 340 is provided with a liquid inlet pipe 350 and a liquid outlet pipe 360, the inlet-outlet pipe 340, the liquid inlet pipe 350 and the liquid outlet pipe 360 are communicated with each other, the liquid outlet pipe 360 is obliquely directed to, the liquid inlet pipe 350 extends along the radial direction of the protective cylinder 20, the liquid inlet pipe 350 extends to the outside, a first one-way valve is arranged in the liquid inlet pipe 350 and used for controlling outside liquid to flow into the liquid inlet pipe 350 in a one-way mode, a second one-way valve is arranged in the liquid outlet pipe 360 and used for controlling liquid in the liquid inlet pipe 340 to flow into the inner cavity of the liquid outlet pipe 360 in a one-way mode; before drilling, the suspension end of the liquid inlet pipe 350 is extended into the cutting fluid, the piston is pulled by the push plate 330 and the push rod 320 to move towards the direction close to the protective shell 110, the air pressure in the inner cavity of the injection tube 310 is reduced, external cutting fluid enters the inner cavity of the injection tube 310 through the liquid inlet pipe 350 and the liquid inlet pipe 340 under the action of atmospheric pressure, the push plate 330 is pushed during drilling, the cutting fluid in the inner cavity of the injection tube 310 is ejected to the drill bit 60 through the liquid inlet pipe 340 and the liquid outlet pipe 360 to be cooled, and parts are protected.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.