CN204019346U - The valve grinder main shaft with positioning and clamping mechanism - Google Patents
The valve grinder main shaft with positioning and clamping mechanism Download PDFInfo
- Publication number
- CN204019346U CN204019346U CN201420404843.3U CN201420404843U CN204019346U CN 204019346 U CN204019346 U CN 204019346U CN 201420404843 U CN201420404843 U CN 201420404843U CN 204019346 U CN204019346 U CN 204019346U
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- CN
- China
- Prior art keywords
- positioning
- spindle
- cylinder
- trombone slide
- main shaft
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of valve grinder main shaft with positioning and clamping mechanism, comprise frame, be connected in spindle bearing and spindle gearing in frame, and the hollow spindle of rotating support in spindle bearing, it is characterized in that: in described hollow spindle head end hole, be provided with tapered sleeve and collet, described collet tail end is connected with trombone slide, in collet and trombone slide hole, be provided with backstay, described trombone slide is connected with trombone slide transmission mechanism, described backstay with eject transmission mechanism and be connected.Adopt the valve grinder main shaft with positioning and clamping mechanism of the present utility model, can not only guarantee the clamping precision of valve, can also realize Automatic-clamping, adapt to the automated job of valve grinding.
Description
Technical field
The utility model relates to a kind of mechanical processing machine, relates in particular to a kind of main axle structure of valve grinding special purpose machine tool.
Background technology
Valve is one of strength member of engine, and its conical surface coordinates with valve retainer, is the topmost mating surface of valve, and the quality of its quality directly has influence on the power output of engine.
In existing valve-face process, the positioning and clamping of valve adopts supported at three point or the bipyramid top folder frock being arranged on main shaft conventionally, or adopts collet hand-operated clamping, such frock in use to need to proofread and correct and easily change, the frock replacing time is long, adjust inconvenience, clamping process manual operation, automaticity is lower, cause centering in valve process to be forbidden, quality is unstable, and production efficiency is low, and processing cost is high.
Utility model content
For the existing above-mentioned deficiency of prior art, technical problem to be solved in the utility model provides a kind of valve grinder main shaft with positioning and clamping mechanism, it can not only guarantee the clamping precision of valve, can also realize Automatic-clamping, adapts to the automated job of valve grinding.
In order to solve the main technical problem of stating, a kind of valve grinder main shaft with positioning and clamping mechanism of the present utility model, comprise frame, be connected in spindle bearing and spindle gearing in frame, and the hollow spindle of rotating support in spindle bearing, in described hollow spindle head end hole, be provided with tapered sleeve and collet, described collet tail end is connected with trombone slide, in collet and trombone slide hole, be provided with backstay, described trombone slide is connected with trombone slide transmission mechanism, described backstay with eject transmission mechanism and be connected.
In said structure, owing to being provided with tapered sleeve and collet in hollow spindle head end hole, the collet of clamping air valve is directly installed in hollow spindle by tapered sleeve, can guarantee the axiality requirement between collet and spindle axis line, thereby guarantees the clamping precision of valve; Again because described collet tail end is connected with trombone slide, described trombone slide is connected with trombone slide transmission mechanism, collet can be driven and be seesawed by trombone slide under the driving of trombone slide transmission mechanism, realizes the Automatic-clamping of collet and loosens, thereby realizing the Automatic-clamping after valve clamping; Also owing to being provided with backstay in collet and trombone slide hole, described backstay with eject transmission mechanism and be connected, backstay plays axial limiting effect on the one hand when valve clamping, at valve, machine and after collet unclamps on the other hand, backstay can travel forward under the driving that ejects transmission mechanism, by valve automatic ejection, realize the automatic discharging operation of valve, thereby realized the automated job of valve grinding.
A kind of preferred embodiment of the present utility model is also provided with positioning mandril in frame, and positioning mandril and hollow spindle coaxially arrange, and positioning mandril is by push rod air cylinder driven.Adopt this embodiment, can in valve clamping process, by positioning mandril, valve be pushed vertically, valve tail end is clung on backstay, realize axially automatically locating of valve clamping.
The another kind of preferred embodiment of the utility model is provided with longitudinal rail in described frame, and described spindle bearing is connected with frame by this longitudinal rail, and described spindle gearing is arranged on spindle bearing, and longitudinal rail is parallel with hollow spindle.Adopt this embodiment, can make whole main shaft device in frame, longitudinally adjust desired position, and in lengthwise position adjustment process, do not change main shaft device in frame positional precision transversely, thereby expand the specification limit of the valve of processing.
Another preferred embodiment of the present utility model, described positioning mandril is arranged on the piston rod of push rod cylinder, and push rod cylinder is arranged on cylinder saddle, and cylinder saddle is connected with frame through longitudinal rail by positioning mandril seat.Adopt this embodiment, can make positioning mandril in frame, longitudinally adjust desired position, and in lengthwise position adjustment process, do not change it in frame positional precision transversely, thereby further expand the specification limit of the valve of processing.
The further preferred embodiment of the utility model, is provided with the traverse rod perpendicular with longitudinal rail on described positioning mandril seat, and cylinder saddle is connected with positioning mandril seat is removable through traverse rod.Adopt this embodiment, can be so that positioning mandril, in frame position adjustments transversely, guarantees concentric with hollow spindle.
Another further preferred embodiment of the utility model, described trombone slide transmission mechanism is hollow rotary cylinder, hollow rotary cylinder is sleeved on trombone slide cylindrical, and the piston rod of hollow rotary cylinder is connected with trombone slide, and cylinder body and the spindle bearing of hollow rotary cylinder are connected.Adopt this embodiment, hollow rotary cylinder is universal architecture part, between its hollow piston and cylinder body except carrying out under the effect of piston both sides working chamber draught head axial displacement, can also make high speed rotary motion, thereby adapt to trombone slide on the one hand needs with collet High Rotation Speed, needs move to strain or the job requirement of pull-off spring chuck vertically on the other hand, simple in structure, easy to use.
The another further preferred embodiment of the utility model, the piston rod of described hollow rotary cylinder is connected with trombone slide by clamping regulating part, clamps regulating part and spins with the piston rod of trombone slide and hollow rotary cylinder respectively.Adopt this embodiment, can clamp regulating part by rotation and change the axial location between trombone slide and hollow rotary cylinder piston rod, the in the situation that of hollow rotary cylinder invariant position, regulate the axial stroke of collet, thus the clamping force of regulating spring chuck.
The utility model is preferred embodiment further, described spindle gearing is by motor-driven tooth belt driver, driven toothed belt wheel one end is fixed on hollow spindle tail end, the other end is rotationally connected by the cylinder body of connector and hollow rotary cylinder, and motor cabinet is mobily connected on spindle bearing by the slide rail vertical with hollow spindle.Adopt this embodiment, hollow spindle is driven by motor by tooth belt driver, and transmission efficiency is high, and motor cabinet is mobily connected on spindle bearing and can to cog belt, be carried out tension adjustment easily by the slide rail vertical with hollow spindle.
Another preferred embodiment further of the utility model, described in eject transmission mechanism and comprise and eject cylinder and connecting plate, eject cylinder and be connected on spindle bearing, connecting plate one end is connected with the piston rod that ejects cylinder, backstay tail end is connected on connecting plate.Adopt this embodiment, by ejecting cylinder, drive backstay, can guarantee to be easily returned to initial position after backstay ejects operation at every turn, repetitive positioning accuracy is high, has guaranteed the axial dimension precision of valve processing.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, to the utlity model has the valve grinder main shaft of positioning and clamping mechanism, be described in further detail.
Fig. 1 is the structural representation that the utlity model has a kind of specific embodiment of valve grinder main shaft of positioning and clamping mechanism;
Fig. 2 is the cutaway view of the heart main shaft of structure hollow shown in Fig. 1 and relevant portion.
In figure: 1-frame, 2-slide rail, 3-backstay, 4-eject that transmission mechanism, 5-trombone slide transmission mechanism, 6-spindle gearing, 7-spindle bearing, 8-hollow spindle, 9-tapered sleeve, 10-collet, 11-longitudinal rail, 12-positioning mandril, 13-cylinder saddle, 14-push rod cylinder, 15-traverse rod, 16-positioning mandril seat, 17-connecting plate, 18-trombone slide, 19-clamp regulating part, 20-ejects cylinder, 21-connector, 22-driven toothed belt wheel.
The specific embodiment
In the valve grinder main shaft with positioning and clamping mechanism shown in Fig. 1 and Fig. 2, spindle bearing 7 is connected in frame 1, spindle gearing 6 is connected in frame 1 by spindle bearing 7, in frame 1, be provided with longitudinal rail 11, described spindle bearing 7 bottoms are provided with the corresponding guide groove of longitudinal rail and by this longitudinal rail 11 and are fixedly connected with frame 1, in spindle bearing 7, by main shaft bearing group, rotated and had hollow spindle 8, hollow spindle 8 be arranged in parallel with longitudinal rail 11, in the hole of described hollow spindle 8 head ends, by the conical surface, feel relieved tapered sleeve 9 is installed, collet 10 is installed in tapered sleeve 9, the inner conical surface of the male cone (strobilus masculinus) of collet 10 and tapered sleeve 9 matches, collet 10 endoporus are corresponding with the valve stem external diameter that will clamp, collet 10 tail ends have been threaded connection trombone slide 18, trombone slide 18 is connected with trombone slide transmission mechanism 5 and is axially reciprocating along hollow spindle 8 under the driving of trombone slide transmission mechanism 5, trombone slide transmission mechanism 5 is hollow rotary cylinder, hollow rotary cylinder is sleeved on trombone slide 18 cylindricals, on the cylindrical of the hollow piston rod external part of hollow rotary cylinder, there is external screw thread, on trombone slide 18 tail end cylindricals, there is external screw thread, clamping regulating part 19 spins with the piston rod of trombone slide 18 and hollow rotary cylinder respectively, trombone slide transmission mechanism 5 is connected with trombone slide 18 by clamping regulating part 19, the cylinder body of hollow rotary cylinder is fixedly connected on spindle bearing 7 by supporting member.Spindle gearing 6 is by motor-driven tooth belt driver, driven toothed belt wheel 22 one end are set in hollow spindle 8 tail ends, and be connected mutually by bolt, the other end of driven toothed belt wheel 22 is fixed on connector 21 by bolt, connector 21 endoporus are rotationally connected by the cylinder body of bearing and hollow rotary cylinder, and motor cabinet is mobily connected on spindle bearing 7 by the slide rail vertical with hollow spindle 82; In the hole of collet 10 and trombone slide 18, be provided with backstay 3, backstay 3 is bearing in the hole of trombone slide 18 and collet 10 movably, the tail end of backstay 3 with eject transmission mechanism 4 and be connected, eject transmission mechanism 4 and comprise members such as ejecting cylinder 20 and connecting plate 17, ejecting cylinder 20 is connected on spindle bearing 7 by support, connecting plate 17 one end are connected with the piston rod that ejects cylinder 20, backstay 3 tail ends are rotatably connected on connecting plate 17, eject cylinder 20 and drive backstay 3 to move back and forth.
In frame 1, be also provided with positioning mandril 12, positioning mandril 12 coaxially arranges with hollow spindle 8, and positioning mandril 12 drives reciprocating by push rod cylinder 14; Positioning mandril 12 is arranged on the piston rod of push rod cylinder 14, push rod cylinder 14 is arranged on cylinder saddle 13, on positioning mandril seat 16, be provided with the traverse rod 15 perpendicular with longitudinal rail 11, cylinder saddle 13 bottoms are provided with and the corresponding guide groove of traverse rod 15, cylinder saddle 13 is fixedly connected with positioning mandril seat 16 is removable through traverse rod 15 like this, and positioning mandril seat 16 is fixedly connected with frame 1 is removable through longitudinal rail 11.
Below specific embodiment more of the present utility model have only been listed, but the utility model is not limited in this, can also make many improvement and conversion, as also can not established longitudinal rail 11 in frame 1, correspondingly, spindle bearing 7 and cylinder saddle 13 directly location and installation in frame 1; Described spindle gearing 6 can not be also by motor-driven tooth belt driver, but the transmission device that V belt or high speed flat belt form.And so on, so long as improvement and the conversion done on the utility model basic principle basis all should be considered as falling in protection domain of the present utility model.
Claims (9)
1. a valve grinder main shaft with positioning and clamping mechanism, comprise frame (1), be connected in spindle bearing (7) and spindle gearing (6) in frame (1), and the hollow spindle (8) of rotating support in spindle bearing (7), it is characterized in that: in described hollow spindle (8) head end hole, be provided with tapered sleeve (9) and collet (10), described collet (10) tail end is connected with trombone slide (18), in collet (10) and trombone slide (18) hole, be provided with backstay (3), described trombone slide (18) is connected with trombone slide transmission mechanism (5), described backstay (3) with eject transmission mechanism (4) and be connected.
2. the valve grinder main shaft with positioning and clamping mechanism according to claim 1, it is characterized in that: in frame (1), be also provided with positioning mandril (12), positioning mandril (12) coaxially arranges with hollow spindle (8), and positioning mandril (12) is driven by push rod cylinder (14).
3. the valve grinder main shaft with positioning and clamping mechanism according to claim 1, it is characterized in that: in described frame (1), be provided with longitudinal rail (11), described spindle bearing (7) is connected with frame (1) by this longitudinal rail (11), it is upper that described spindle gearing (6) is arranged on spindle bearing (7), and longitudinal rail (11) is parallel with hollow spindle (8).
4. the valve grinder main shaft with positioning and clamping mechanism according to claim 2, it is characterized in that: described positioning mandril (12) is arranged on the piston rod of push rod cylinder (14), it is upper that push rod cylinder (14) is arranged on cylinder saddle (13), and cylinder saddle (13) is connected with frame (1) through longitudinal rail (11) by positioning mandril seat (16).
5. the valve grinder main shaft with positioning and clamping mechanism according to claim 4, it is characterized in that: on described positioning mandril seat (16), be provided with the traverse rod (15) perpendicular with longitudinal rail (11), cylinder saddle (13) is through traverse rod (15) and removable connection of positioning mandril seat (16).
6. the valve grinder main shaft with positioning and clamping mechanism according to claim 1, it is characterized in that: described trombone slide transmission mechanism (5) is hollow rotary cylinder, hollow rotary cylinder is sleeved on trombone slide (18) cylindrical, the piston rod of hollow rotary cylinder is connected with trombone slide (18), and the cylinder body of hollow rotary cylinder and spindle bearing (7) are connected.
7. the valve grinder main shaft with positioning and clamping mechanism according to claim 6, it is characterized in that: the piston rod of described hollow rotary cylinder is connected with trombone slide (18) by clamping regulating part (19), clamps regulating part (19) and spins with the piston rod of trombone slide (18) and hollow rotary cylinder respectively.
8. the valve grinder main shaft with positioning and clamping mechanism according to claim 1, it is characterized in that: described spindle gearing (6) is by motor-driven tooth belt driver, driven toothed belt wheel (22) one end is fixed on hollow spindle (8) tail end, the other end is rotationally connected by connector (21) and the cylinder body of hollow rotary cylinder, and motor cabinet is mobily connected on spindle bearing (7) by the slide rail (2) vertical with hollow spindle (8).
9. the valve grinder main shaft with positioning and clamping mechanism according to claim 1, it is characterized in that: described in eject transmission mechanism (4) and comprise and eject cylinder (20) and connecting plate (17), ejecting cylinder (20) is connected on spindle bearing (7), connecting plate (17) one end is connected with the piston rod that ejects cylinder (20), and backstay (3) tail end is connected on connecting plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420404843.3U CN204019346U (en) | 2014-07-22 | 2014-07-22 | The valve grinder main shaft with positioning and clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420404843.3U CN204019346U (en) | 2014-07-22 | 2014-07-22 | The valve grinder main shaft with positioning and clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204019346U true CN204019346U (en) | 2014-12-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420404843.3U Expired - Fee Related CN204019346U (en) | 2014-07-22 | 2014-07-22 | The valve grinder main shaft with positioning and clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204019346U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105935934A (en) * | 2016-06-22 | 2016-09-14 | 无锡德斯凯动力科技有限公司 | Fixing device of grinding machine for diesel engine accessory cylinder liner |
| CN106181411A (en) * | 2016-08-28 | 2016-12-07 | 东莞市米克精密机械有限公司 | The numerically controlled lathe that a kind of turnning and milling is compound |
| CN106743257A (en) * | 2016-12-30 | 2017-05-31 | 苏州通锦精密工业股份有限公司 | The loading and unloading pallet of large-size machine pressing machine |
| CN109129052A (en) * | 2018-10-19 | 2019-01-04 | 镇江维纳特气门有限公司 | A kind of grinder for valve cone |
| CN109909823A (en) * | 2019-04-12 | 2019-06-21 | 无锡机床股份有限公司 | A kind of high speed grinding machine and processing method for valve stem processing |
| CN110076691A (en) * | 2019-06-03 | 2019-08-02 | 湖南安福气门有限公司 | A kind of dedicated rod slot grinding machine of processing valve |
| CN114393499A (en) * | 2021-12-13 | 2022-04-26 | 赫比（上海）家用电器产品有限公司 | Displacement support piece, shaft holding clamp displacement follow-up support mechanism and use method |
-
2014
- 2014-07-22 CN CN201420404843.3U patent/CN204019346U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105935934A (en) * | 2016-06-22 | 2016-09-14 | 无锡德斯凯动力科技有限公司 | Fixing device of grinding machine for diesel engine accessory cylinder liner |
| CN105935934B (en) * | 2016-06-22 | 2018-02-27 | 无锡德斯凯动力科技有限公司 | A kind of fixing device of diesel engine part cylinder sleeve sander |
| CN106181411A (en) * | 2016-08-28 | 2016-12-07 | 东莞市米克精密机械有限公司 | The numerically controlled lathe that a kind of turnning and milling is compound |
| CN106743257A (en) * | 2016-12-30 | 2017-05-31 | 苏州通锦精密工业股份有限公司 | The loading and unloading pallet of large-size machine pressing machine |
| CN109129052A (en) * | 2018-10-19 | 2019-01-04 | 镇江维纳特气门有限公司 | A kind of grinder for valve cone |
| CN109909823A (en) * | 2019-04-12 | 2019-06-21 | 无锡机床股份有限公司 | A kind of high speed grinding machine and processing method for valve stem processing |
| CN110076691A (en) * | 2019-06-03 | 2019-08-02 | 湖南安福气门有限公司 | A kind of dedicated rod slot grinding machine of processing valve |
| CN114393499A (en) * | 2021-12-13 | 2022-04-26 | 赫比（上海）家用电器产品有限公司 | Displacement support piece, shaft holding clamp displacement follow-up support mechanism and use method |
| CN114393499B (en) * | 2021-12-13 | 2022-11-15 | 赫比（上海）家用电器产品有限公司 | Displacement support piece, shaft holding clamp displacement follow-up support mechanism and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20170722 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |