CN205057212U - Large -scale saw -tooth thread grinding device - Google Patents
Large -scale saw -tooth thread grinding device Download PDFInfo
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- CN205057212U CN205057212U CN201520870313.2U CN201520870313U CN205057212U CN 205057212 U CN205057212 U CN 205057212U CN 201520870313 U CN201520870313 U CN 201520870313U CN 205057212 U CN205057212 U CN 205057212U
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- emery wheel
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- stick
- tooth thread
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Abstract
The utility model relates to a thread processing field discloses a large -scale saw -tooth thread grinding device. The device includes grinding mechanism and numerical control lathe, the last knife rest that is provided with numerical control lathe motion relatively of numerical control lathe, grinding mechanism includes emery wheel, the bistrique body and power unit, the emery wheel is installed in bistrique body front end and is connected with the power unit transmission, bistrique body rear end through the transition piece connect in on numerical control lathe's the knife rest, the emery wheel is the disc, and the emery wheel edge has flank profil face and a top surface, the flank profil face is located the top surface both sides, through the fillet transition between top surface and the flank profil face. The accurate regulation and control processing saw -tooth thread of numerical control function of the usable digit control machine tool of the device, flank of tooth roughness can be less than 0.8 mu m. Its interior external screw thread homoenergetic to large -scale zigzag is processed, not only can reduce screw flank of tooth roughness, can also guarantee inside and outside thread processing's profile accuracy, guarantees nut and the castellated uniformity of screw rod.
Description
Technical field
The utility model relates to screw thread process field, especially a kind of large-scale saw-tooth thread grinding attachment.
Background technology
Current processing saw-tooth thread is the mode adopting turning.Tooth-face roughness preferably can reach 3.2 μm.And product requirement normally 1.6 ~ 0.8 μm, profile accuracy controls by forming-tool and model in addition, and the uniformity of nut and tooth shape of screw not easily ensures.Cause often there will be to grind in use procedure hindering phenomenon.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of large-scale saw-tooth thread grinding attachment, adopts this device to process saw-tooth thread, can reduction tooth-face roughness largely, improves accuracy of thread.
Large-scale saw-tooth thread grinding attachment disclosed in the utility model, comprise grinding mechanism and numerically controlled lathe, described numerically controlled lathe is provided with can the knife rest of relative number car controlling bed motion, described grinding mechanism comprises emery wheel, grinding head body and actuating unit, described emery wheel is installed in grinding head body front end and is in transmission connection with actuating unit, described grinding head body rear end is connected to by transition piece on the knife rest of described numerically controlled lathe, described emery wheel is plate-like, emery wheel edge has flank profil face and end face, described flank profil face is positioned at end face both sides, passes through round-corner transition between described end face and flank profil face.
Preferably, described actuating unit is electro spindle, and described electro spindle is arranged in grinding head body.
Preferably, the side of the front and rear of described electro spindle is provided with the retaining mechanism for locking electro spindle.
Preferably, described transition piece is the lathe terminal pad being arranged at grinding head body rear end.
Preferably, in the stroke range of described Tool-rest of Numerical Control Lathe, wheel dressing mechanism is provided with.
Preferably, described wheel dressing mechanism comprises bearing, rolling disc, stick, stick support, and described rolling disc is installed on bearing by bearing, and described stick Bracket setting is on rolling disc, described stick support is provided with handle, and described stick is arranged at stick cantilever tip.
Preferably, described stick cantilever tip is also provided with locating hole, the positioning screw for locating stick is provided with in described locating hole, one end that described positioning screw inserts locating hole has flange, the other end extends locating hole, one end that described positioning screw extends locating hole is provided with nuts and washers, described packing ring is between nut and stick support, the internal diameter of described packing ring is less than nut external diameter, washer outer diameter is greater than locating hole diameter, described flange has the inclined-plane of the tilt nut towards positioning screw, the sidewall of described stick contacts with this inclined-plane.
Preferably, described bearing sidepiece is provided with the solid block in side, the solid block in described side is provided with blind flange, described blind flange interts be provided with and control pin, described control pin runs through the solid block in side and extends to rolling disc edge, and described control pin front portion has block edge, is provided with spring between described blind flange and described block edge, described rolling disc edge is provided with three positioning ports, and three positioning ports are corresponding with two flank profil faces of emery wheel and end face respectively.
Preferably, described rolling disc is also provided with correction frame, described rolling disc is also provided with correction frame, described correction top of the trellis is provided with the feeler block for detecting emery wheel position.
The beneficial effects of the utility model are: this device can utilize the numerical control function accuracy controlling processing saw-tooth thread of numerically controlled lathe, and tooth-face roughness can be less than 0.8 μm.It all can be processed for large-scale zigzag internal and external threads, not only can reduce thread surface roughness, can also ensure the profile accuracy that internal and external threads is processed, and ensures the uniformity of nut and tooth shape of screw.
Accompanying drawing explanation
Fig. 1 is overall schematic of the present utility model;
Fig. 2 is the operating diagram of grinding mechanism;
Fig. 3 is the sectional view at A-A place in Fig. 2;
Wheel dressing mechanism front view when Fig. 4 is stick installation;
Fig. 5 is the schematic diagram of stick and feeler block;
Fig. 6 is the sectional view at C-C place in Fig. 5;
Fig. 7 is the top view of wheel dressing mechanism.
Reference numeral: 1-numerically controlled lathe, 101-knife rest, 2-grinding mechanism, 201-emery wheel, 202-grinding head body, 203-electro spindle, 204-retaining mechanism, 205-lathe terminal pad, 206-flank profil face, 207-end face, 3-wheel dressing mechanism, 301-bearing, 302-rolling disc, 303-bearing, 304-stick, 305-stick support, 306-handle, 307-positioning screw, 308-revises frame, 309-feeler block, the solid block in 310-side, 311-blind flange, 312-controls pin, 313-block edge, 314-spring, 315-positioning port, 316-locating piece, 4-workpiece.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further illustrated.
As Fig. 1, Fig. 2, shown in Fig. 3, large-scale saw-tooth thread grinding attachment disclosed in the utility model, comprise grinding mechanism 2 and numerically controlled lathe 1, described numerically controlled lathe 1 is provided with can relatively numerically controlled lathe 1 move knife rest 101, described grinding mechanism 2 comprises emery wheel 201, grinding head body 202 and actuating unit, described emery wheel 201 is installed in grinding head body 202 front end and is in transmission connection with actuating unit, described grinding head body 202 rear end is connected to by transition piece on the knife rest 101 of described numerical control machine 1, described emery wheel 201 is plate-like, emery wheel 201 edge has flank profil face 206 and end face 207, described flank profil face 206 is positioned at end face 207 both sides, round-corner transition is passed through between described end face 207 and flank profil face 206.
Wherein, numerically controlled lathe 1 can select numerical control sleeping carriage or numerical control vertical lathe, knife rest 101 can carry out longitudinal direction, transverse direction or oblique movement, during the work of this grinding attachment, is installed on by workpiece 4 on numerically controlled lathe 1 work pieces process position, regulate grinding mechanism 2 position, make emery wheel 201 be in workpiece 4 working face, start actuating unit, emery wheel 201 starts to process workpiece 4, control workpiece 4 and the adjustment of emery wheel 201 position by numerically controlled lathe 1, thus complete the processing of whole screw thread.Add man-hour emery wheel 201 axis and workpiece 4 axis form an angle, grinding saw-tooth thread working face be type cone envelope be shaped, well solve emery wheel 201 interference problem.
The actuating unit of emery wheel 201 can adopt conventional motors drive line, but traditional traditional system volume is large, be unfavorable for the installation of grinding mechanism 2 on knife rest 101, for addressing this problem, as preferred embodiment, described actuating unit is electro spindle 203, and described electro spindle 203 is arranged in grinding head body 202.
Electro spindle 203 is merged mutually with spindle motor by main shaft, without the need to adopting belt wheel transmission or gear drive, main shaft is directly driven by in-built motor, electro spindle 203 is installed in grinding head body 202 in order to drive emery wheel 201, grinding mechanism 2 cumulative volume can be effectively reduced, simplify the structure of grinding mechanism, make it be easy to be arranged on the knife rest 101 of numerically controlled lathe 1.Fixing for convenience of electro spindle 203, as preferred embodiment, the side of the front and rear of described electro spindle 203 is provided with the retaining mechanism 204 for locking electro spindle 203.Retaining mechanism can adopt the locking of screw-threaded coupling, eccentric wheel, inclined-plane locking, as shown in Figure 3, what retaining mechanism as shown in Figure 3 adopted is the locking of positive and negative screw rod, the positive and negative tooth nut of screw rod is arranged at electro spindle 203 both sides respectively, nut and electro spindle surface suitable, when rotating screw bolt, positive and negative tooth nut will close to each other or away from, thus realize locking and contact lock effect.
The transition piece installing grinding head body 202 can adjust according to the concrete structure shape of knife rest 101 and grinding head body 202, and described transition piece is preferably arranged at the lathe terminal pad 205 of grinding head body 202 rear end.Adopt plate-like transition piece relatively more can ensure the steadiness connected.
After emery wheel 201 uses certain hour, its top layer can by blunt, and operating efficiency can reduce, now need to repair it, for ease of the finishing of emery wheel 201, as preferred embodiment, in the stroke range of described numerically controlled lathe 1 knife rest 101, be provided with wheel dressing mechanism 3.Emery wheel 201 burring machine is arranged in the stroke range of knife rest 101, to ensure to be moved by programme-control knife rest 101, directly emery wheel 201 is adjusted to the finishing that trim locations carries out emery wheel 201.
Emery wheel 201 finishing can select turning dressing method, diamond roller trimming method and wheel grinding dressing method etc., different dressing method need adopt different burring machines, end face 207 and the flank profil face 206 of emery wheel 201 all need to repair, finishing for convenience of each face is changed, described wheel dressing mechanism 3 comprises bearing 301, rolling disc 302, stick 304, stick support 305, described rolling disc 302 is installed on bearing 301 by bearing 303, described stick support 305 is arranged on rolling disc 302, described stick support 305 is provided with handle 306, described stick 304 is arranged at stick support 305 top.
After emery wheel 201 arrives trim bit, emery wheel rotates numerically controlled lathe 1 simultaneously and utilizes its numerical control function to drive emery wheel 201 to do feed motion, accurately repair emery wheel 201, the stick 304 controlled on rolling disc 302 by handle 306 is rotated, thus repairs the not coplanar of emery wheel 201.For ease of adjustment and the location of stick 304, as preferred embodiment, described stick support 305 top is also provided with locating hole, the positioning screw 307 for locating stick 304 is provided with in described locating hole, one end that described positioning screw 307 inserts locating hole has flange, the other end extends locating hole, one end that described positioning screw 307 extends locating hole is provided with nuts and washers, described packing ring is between nut and stick support 305, the internal diameter of described packing ring is less than nut external diameter, washer outer diameter is greater than locating hole diameter, described flange has the inclined-plane of the tilt nut towards positioning screw 307, the sidewall of described stick 304 contacts with this inclined-plane.In tightening nut process, flange moves to nut, the sidewall of the inclined-plane extruding stick 304 on flange, thus reach the effect of locking positioning, and when needs adjustment stick 304, then loosening nut, the movement of stick can be carried out, move into place rear tightening nut to locate stick 304.As shown in Figure 4, when installation trims whole bar 304, accurately putting in place for ensureing to install, locating piece 316 can be set on rolling disc 302 to position installation.
Emery wheel 201 needs the mainly end face 207 at its edge and two flank profil faces 206, finishing face, for ease of positioning finishing to three faces, as preferred embodiment, described bearing 301 sidepiece is provided with the solid block 310 in side, the solid block 310 in described side is provided with blind flange 311, described blind flange 311 interts be provided with and control pin 312, described control pin 312 runs through the solid block 310 in side and extends to rolling disc 302 edge, described control pin 312 front portion has block edge 313, spring 314 is provided with between described blind flange 311 and described block edge 313, described rolling disc 302 edge is provided with three positioning ports 315, and three positioning ports 315 are corresponding with two flank profil faces 206 of emery wheel 201 and end face 207 respectively.
When positioning port 315 turns to the position relative with controlling pin 312, control pin 312 under spring 314 active force, insert in positioning port 315, thus can position rolling disc 302, and then location stick 304, three positioning ports 315 are respectively with two flank profil faces 206 of emery wheel 201 and end face 207 is corresponding namely refers to that, when controlling pin 312 and inserting three positioning ports 315 respectively, stick 304 can rotate respectively and touch two flank profil faces 206 and end face 207.Such as when controlling pin 312 and inserting the positioning port 315 corresponding with emery wheel end face 207, stick 304 is just positioned to and contacts with emery wheel end face 207, just can repair emery wheel end face 207, emery wheel 201 rotates lathe simultaneously and utilizes its numerical control function to drive emery wheel 201 to do feed motion, complete the accurate finishing to whole emery wheel 201 end face, like this too to the finishing in emery wheel 201 flank profil face 206.Fillet between emery wheel 201 end face 207 and emery wheel flank profil face 206 then manually rotary motion dish 302 complete finishing.
For when ensureing to repair, emery wheel accurately puts in place, as preferred embodiment, described rolling disc 302 is also provided with and revises frame 308, described correction frame 308 top is provided with the feeler block 309 for detecting emery wheel position.Before crushing, first emery wheel is moved to and contact with feeler block 309, detect its position and whether angle is correct, so that finishing accurately carry out, after crushing completes, again will move to and contact with feeler block 309, whether correctly detect the emery wheel position angle after finishing, after being beneficial to, the accurate return of emery wheel carries out grinding work.
Claims (9)
1. large-scale saw-tooth thread grinding attachment, it is characterized in that: comprise grinding mechanism (2) and numerically controlled lathe (1), described numerically controlled lathe (1) is provided with can the knife rest (101) that moves of numerically controlled lathe (1) relatively, described grinding mechanism (2) comprises emery wheel (201), grinding head body (202) and actuating unit, described emery wheel (201) is installed in grinding head body (202) front end and is in transmission connection with actuating unit, described grinding head body (202) rear end is connected on the knife rest (101) of described numerically controlled lathe (1) by transition piece, described emery wheel (201) is plate-like, emery wheel (201) edge has flank profil face (206) and end face (207), described flank profil face (206) is positioned at end face (207) both sides, round-corner transition is passed through between described end face (207) and flank profil face (206).
2. large-scale saw-tooth thread grinding attachment as claimed in claim 1, is characterized in that: described actuating unit is electro spindle (203), and described electro spindle (203) is arranged in grinding head body (202).
3. large-scale saw-tooth thread grinding attachment as claimed in claim 2, is characterized in that: the side of the front and rear of described electro spindle (203) is provided with the retaining mechanism (204) for locking electro spindle (203).
4. large-scale saw-tooth thread grinding attachment as claimed in claim 1, is characterized in that: described transition piece is for being arranged at the lathe terminal pad (205) of grinding head body (202) rear end.
5. the large-scale saw-tooth thread grinding attachment as described in claim 1,2,3 or 4, is characterized in that: in the stroke range of described numerically controlled lathe (1) knife rest (101), be provided with wheel dressing mechanism (3).
6. large-scale saw-tooth thread grinding attachment as claimed in claim 5, it is characterized in that: described wheel dressing mechanism (3) comprises bearing (301), rolling disc (302), stick (304), stick support (305), described rolling disc (302) is installed on bearing (301) by bearing (303), described stick support (305) is arranged on rolling disc (302), described stick support (305) is provided with handle (306), described stick (304) is arranged at stick support (305) top.
7. large-scale saw-tooth thread grinding attachment as claimed in claim 6, it is characterized in that: described stick support (305) top is also provided with locating hole, the positioning screw (307) for locating stick (304) is provided with in described locating hole, one end that described positioning screw (307) inserts locating hole has flange, the other end extends locating hole, one end that described positioning screw (307) extends locating hole is provided with nuts and washers, described packing ring is between nut and stick support (305), the internal diameter of described packing ring is less than nut external diameter, washer outer diameter is greater than locating hole diameter, described flange has the inclined-plane of the tilt nut towards positioning screw (307), the sidewall of described stick (304) contacts with this inclined-plane.
8. large-scale saw-tooth thread grinding attachment as claimed in claim 6, it is characterized in that: described bearing (301) sidepiece is provided with the solid block (310) in side, the solid block (310) in described side is provided with blind flange (311), described blind flange (311) upper interting is provided with control pin (312), described control pin (312) is run through the solid block (310) in side and is extended to rolling disc (302) edge, described control pin (312) front portion has block edge (313), spring (314) is provided with between described blind flange (311) and described block edge (313), described rolling disc (302) edge is provided with three positioning ports (315), and three positioning ports (315) are corresponding with two flank profil faces (206) of emery wheel (201) and end face (207) respectively.
9. large-scale saw-tooth thread grinding attachment as claimed in claim 8, it is characterized in that: described rolling disc (302) is also provided with and revises frame (308), described correction frame (308) top is provided with the feeler block (309) for detecting emery wheel position.
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CN201520870313.2U CN205057212U (en) | 2015-11-03 | 2015-11-03 | Large -scale saw -tooth thread grinding device |
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CN201520870313.2U CN205057212U (en) | 2015-11-03 | 2015-11-03 | Large -scale saw -tooth thread grinding device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108326720A (en) * | 2018-01-08 | 2018-07-27 | 深圳市万泽航空科技有限责任公司 | A kind of automatic buffing equipment and method |
CN109500451A (en) * | 2017-09-14 | 2019-03-22 | 利勃海尔齿轮技术股份有限公司 | For automatically determining the method for having the geometric dimension of the tool of machining area of screw flight shape |
CN112643150A (en) * | 2019-10-10 | 2021-04-13 | 安志飞 | Semi-automatic thread grinding device for lathe |
-
2015
- 2015-11-03 CN CN201520870313.2U patent/CN205057212U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109500451A (en) * | 2017-09-14 | 2019-03-22 | 利勃海尔齿轮技术股份有限公司 | For automatically determining the method for having the geometric dimension of the tool of machining area of screw flight shape |
CN109500451B (en) * | 2017-09-14 | 2022-05-10 | 利勃海尔齿轮技术股份有限公司 | Method for automatically determining the geometry of a tool with a threaded spindle-shaped machining region |
CN108326720A (en) * | 2018-01-08 | 2018-07-27 | 深圳市万泽航空科技有限责任公司 | A kind of automatic buffing equipment and method |
CN112643150A (en) * | 2019-10-10 | 2021-04-13 | 安志飞 | Semi-automatic thread grinding device for lathe |
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TR01 | Transfer of patent right |
Effective date of registration: 20180319 Address after: 618013 Deyang Pearl River West Road, Sichuan, No. 460 Patentee after: Double (Deyang) heavy equipment Co., Ltd. Address before: 618013 Deyang Pearl River West Road, Sichuan, No. 460 Patentee before: Erzhong Group (Deyang) Heavy Equipment Co., Ltd. |
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TR01 | Transfer of patent right |