CN202825484U - Large-turning grinding wheel rack for screw rotor grinding machine - Google Patents
Large-turning grinding wheel rack for screw rotor grinding machine Download PDFInfo
- Publication number
- CN202825484U CN202825484U CN 201220001827 CN201220001827U CN202825484U CN 202825484 U CN202825484 U CN 202825484U CN 201220001827 CN201220001827 CN 201220001827 CN 201220001827 U CN201220001827 U CN 201220001827U CN 202825484 U CN202825484 U CN 202825484U
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- grinding wheel
- circular
- rotating cylinder
- grinding
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Abstract
The utility model discloses a grinding wheel rack for a rotor grinding machine, which has high precision, a large swinging angle, and automatic releasing, rotating and locking. The rotation of the grinding wheel rack is driven in a manner of digital control, and the releasing and locking of the grinding wheel rack are realized in a manner of hydraulic control, and precise grinding of a helical surface of a screw rotor can be realized. The large-turning grinding wheel rack comprises a carriage disposed on a horizontal guide rail, a semi-circular base, an upper semi-circular pressure plate with respect to a lower semi-circular base, and a waist drum type cylinder disposed between the lower semi-circular base and the upper semi-circular pressure plate. A grinding wheel trimmer and a grinding wheel main shaft component are disposed above the waist drum type cylinder. A revolving body is designed into the shape of a waist drum cylinder. The base is designed into the shape of a partial arc, which can meet the demand of a large-angle revolving of the revolving body. Transmission is conducted by means of a two-stage worm and gear. The automatic revolving of the grinding wheel rack is realized by the driving of a servo motor. The tail part of a rotating cylinder is provided with an encoder to ensure the revolving precision of the grinding wheel rack, and thereby the function of a large-revolving angle can be realized.
Description
Technical field
The utility model relates to grinding machine manufacturing technology field, particularly the large corner grinding carriage of screw rotor grinding machine of a kind of high accuracy, fast response, Automatic-clamping, automatic rotary.
Background technology
Rotor is the core component of helical-lobe compressor, and rotor machining is a major issue in the Compressor Manufacturing, and its difficulty of processing is large, and is high to required precision.At present, the method that rotor machining generally adopts milling is worked into molded line substantially near theory shaped wire and leave suitable surplus with workpiece, adopts the precision milling processing method to make molded lines of rotor upgrade to finished size again.
Because the rotor profile is helicoid, emery wheel must rotate suitable corner when grinding, and the precision of corner is very large to the Accuracy of rotor tooth form molded line, how to realize that emery wheel rotates accurately and fast and reliable locking, is the key during rotor grinding machine is made.
Summary of the invention
The purpose of this utility model is intended to overcome defective and the deficiency on the rotor machining prior art function, requirement for grinding helicoid rotor, a kind of high accuracy, large angle of oscillation are provided, can automatically unclamp, the rotor grinding machine grinding carriage of automatic rotating, auto lock, drive the rotation of grinding carriage with digital control approach, realize unclamping, locking of grinding carriage with hydraulic control mode, finally realize the accurate grinding of spiral surface of screw rotor.
For achieving the above object, the technical scheme of this programme employing is:
The large corner grinding carriage of a kind of screw rotor grinding machine, comprise the revolution main body, it is characterized in that: described revolution main body is planker and the lower semi-circular base that is installed on the horizontal guide rail, described lower semi-circular base top arranges first relative circular pressing plate, the semicircle endoporus of lower semi-circular base and the semicircle endoporus of first circular pressing plate are together to form an interior circular hole, the rotating cylinder that grinding carriage is installed is set in interior circular hole, the front end face of rotating cylinder arranges emery wheel mounting seat and emery wheel drive pulley, the rear end face of rotating cylinder arranges the angular encoder that install to be used for drive motors that rotating cylinder rotates and drive transmission device and to change for detection of corner, the waist of rotating cylinder arranges the second-stage worm gear worm gearing that the rotating drive transmission is installed, and the periphery both sides of lower semi-circular base and first circular pressing plate arrange respectively jockey.
The jockey of the periphery both sides of described lower semi-circular base and first circular pressing plate is respectively, and a side is articulating device, and opposite side is retaining mechanism.
Described flexible connection is that eyelet bolt connects.
Described retaining mechanism is pneuma-lock mechanism, hydraulic locking mechanism, mechanical interlock mechanism or electric retaining mechanism.
Described rotating cylinder is dolioform.
The beneficial effect that adopts technique scheme and obtain is: the large corner grinding carriage of high accuracy of the present utility model adopts digital control servo system to drive the rotation of grinding carriage, drive the rotating cylinder revolution with the second-stage worm gear worm-drive, carry out outer corner measurement and feedback with angular encoder, make the rotation of emery wheel rapider, corner is more accurate; Adopt hydraulic drive locking mechanism to carry out unclamping, clamp and locking of grinding carriage, make easy and simple to handle, reliable lock; Adopted axial-Journal Bearings in Hydrodynamic Lubrication that grinding carriage rotational drive motor power is reduced; Grinding carriage rotates drive disk assembly and adopts flooding system lubrication, and is very favourable for the cooling of complete machine, makes the stability of lathe better.
Description of drawings
Fig. 1 is structural front view of the present utility model.
Fig. 2 is left view of the present utility model.
Fig. 3 is the utility model A-A direction cutaway view.
Fig. 4 is the utility model B-B direction cutaway view.
Fig. 5 is the utility model C-C broken section enlarged drawing.
Among the figure: the 1-horizontal guide rail, 2-lower semi-circular base, 3-emery wheel drive pulley, 4-retaining mechanism, first circular pressing plate of 5-, the 6-rotating cylinder, 7-drive transmission device, 8-second-stage worm gear worm gearing, the 9-drive motors, the 10-emery wheel, the installing and adjusting mechanism of 11-grinding wheel spindle motor, 12-emery wheel mounting seat.
The specific embodiment
Below in conjunction with the drawings and specific embodiments this programme is described further:
The large corner grinding carriage of the described a kind of screw rotor grinding machine of this programme, include: be installed in the grinding carriage lower semi-circular base 2 on the horizontal guide rail 1, first circular pressing plate 5 relative with lower semi-circular base 2, the semicircle endoporus of lower semi-circular base 2 and the semicircle endoporus of first circular pressing plate 5 are together to form an interior circular hole, carry out unclamping, clamp and locking of interior circular hole face by pneuma-lock mechanism 4 between lower semi-circular base 2 and first the circular pressing plate 5; The dolioform rotating cylinder 6 of grinding carriage is installed in interior circular hole, the front end face of dolioform rotating cylinder 6 arranges emery wheel mounting seat 12 and emery wheel drive pulley 3, the angular encoder that the rear end face of dolioform rotating cylinder 6 is provided for rotating cylinder rotational drive motor 9 and drive transmission device 7 and changes for detection of corner, the waist setting of dolioform rotating cylinder 6 is equipped with the second-stage worm gear worm gearing 8 of rotating drive transmission.
The grinding carriage base rail can adopt rail plate, also can adopt rolling guide, and present embodiment grinding carriage lower semi-circular base 2 bottoms are flat-V rail plate, there is polytetrafluoroethylene (PTFE) to reduce the sliding friction coefficient at guide pass, guarantee that guide rail operates steadily, flexibly, and have higher running precision.
The transmission worm screw of first-stage worm gear worm gearing and secondary transmission device is installed on the grinding carriage base, and the worm gear of secondary transmission device is installed in the centre position of dolioform cylinder, as shown in Figure 3, Figure 4.
Dolioform rotating cylinder 6 is installed on the base, its revolution spigot surface can be the guide rail of slip form respectively at the front and rear of base, also can be rolling guide or hydrostatic slideway, present embodiment adopts the guide rail of slip form, offers the oil pocket of lubricated guide rail at the base rail face.The installing and adjusting mechanism 11 of grinding wheel spindle motor is installed at the rear portion of dolioform rotating cylinder 6, the drive motors 9 of installation emery wheel drive shaft on guiding mechanism 11, have a square hole on the limit of dolioform rotating cylinder 6, motor pulley and belt thus square hole pass with emery wheel drive pulley 3 and are connected, and drive rotatablely moving of grinding wheel spindle.Because the main shaft rotating actuator is in the design of dolioform rotating cylinder 6 the insides, therefore, the utility model can be realized the rotation of large angle of revolution and not interfere, and can be good at protecting the belt of main shaft rotating actuator in lathe work.
First circular pressing plate 5 is installed on the lower semi-circular base 2, and by adjusting two pads between the part, control revolution rotating cylinder 6 cooperates with lower semi-circular base 2, realizes the locking of dolioform rotating cylinder 6 and unclamp under the effect of retaining mechanism 4.
Rotor grinding machine is when adjusting, the operator is by setting value input and the execution of digital control system with the emery wheel corner, the retaining mechanism 4 of present embodiment is hydraulic locking mechanism, at first hydraulic locking mechanism is opened, lower semi-circular base 2 and first circular pressing plate 5 are unclamped, at this moment but dolioform rotating cylinder 6 is in and unclamps turn state, rotational drive motor 9 is by rotating worm and gear drive transmission device 7 and the second-stage worm gear worm gearing 8 of transmission, driving dolioform rotating cylinder 6 turns round, the angular encoder collection angular signal that is installed in simultaneously on dolioform rotating cylinder 6 rear end faces feeds back to rotational drive motor 9, until grinding carriage forwards the angle value that presets to, this moment, hydraulic locking mechanism 4 was again with lower semi-circular base 2 and first circular pressing plate 5 lockings, clamp dolioform rotating cylinder 6, this moment, grinding carriage was in running order, prevented the grinding carriage shake at grinding process, such adjustment process finishes, start grinding wheel drive mitor, grinding wheel drive mitor is by belt pulley, and belt drives the grinding wheel spindle high speed rotary.Open simultaneously cooling fluid, grinding carriage moves along moving forward and backward in the horizontal guide rail 1 realization workpiece grinding, realizes grinding and feeding, and lathe is started working.
The large angle of oscillation grinding carriage of the utility model rotor grinding machine automatic rotary is characterized in that; for realizing the function of large angle of revolution; revolving body is designed to dolioform drum; base designs is partial arc shape (present embodiment base portion designed arc-shaped appearance is semicircle); motor transmission part is passed by dolioform drum middle part; can satisfy the revolving body large-angle slewing; therefore no matter revolving meber is designed to dolioform cylinder or other shape cylinders; the transmission position of motor belt is different; but its principle is consistent, so its variation belongs to the utility model protection domain.
The large angle of oscillation grinding carriage of the utility model rotor grinding machine automatic rotary is further characterized in that; can automatically accurately turn round during grinding carriage work; therefore; which kind of mode no matter the revolving body motion adopt drive; which kind of type is control system adopt; its principle is consistent, so its variation belongs to the utility model protection domain.
The large angle of oscillation grinding carriage of the utility model rotor grinding machine automatic rotary is further characterized in that; energy auto lock during grinding carriage work; present embodiment adopts hydraulic locking; also can adopt machinery or electric locking; in any case but change; principle is consistent, so its variation also belongs to the utility model protection domain.
Obviously, more than be the specific descriptions to this programme, any change of making under the utility model design of this programme all will fall in the protection domain of the present utility model.
Claims (5)
1. large corner grinding carriage of screw rotor grinding machine, comprise the revolution main body, it is characterized in that: described revolution main body is for being installed in planker and the lower semi-circular base (2) on the horizontal guide rail (1), described lower semi-circular base (2) top arranges first relative circular pressing plate (5), the semicircle endoporus of the semicircle endoporus of lower semi-circular base (2) and first circular pressing plate (5) is together to form an interior circular hole, the rotating cylinder (6) that grinding carriage is installed is set in interior circular hole, the front end face of rotating cylinder (6) arranges emery wheel mounting seat (12) and emery wheel drive pulley (3), the rear end face of rotating cylinder (6) arranges and install to be used for drive motors (9) that rotating cylinder (6) rotates and drive transmission device (7) and for detection of the angular encoder of corner variation, the waist of rotating cylinder (6) arranges the second-stage worm gear worm gearing (8) that the rotating drive transmission is installed, and the periphery both sides of lower semi-circular base (2) and first circular pressing plate (5) arrange respectively jockey.
2. the large corner grinding carriage of a kind of screw rotor grinding machine according to claim 1, it is characterized in that, the jockey of the periphery both sides of described lower semi-circular base (2) and first circular pressing plate (5) is respectively, one side is articulating device, and opposite side is retaining mechanism (4).
3. the large corner grinding carriage of a kind of screw rotor grinding machine according to claim 2 is characterized in that, described flexible connection is that eyelet bolt connects.
4. the large corner grinding carriage of a kind of screw rotor grinding machine according to claim 2 is characterized in that described retaining mechanism (4) is pneuma-lock mechanism, hydraulic locking mechanism, mechanical interlock mechanism or electric retaining mechanism.
5. the large corner grinding carriage of a kind of screw rotor grinding machine according to claim 1 is characterized in that described rotating cylinder (6) is dolioform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220001827 CN202825484U (en) | 2012-01-05 | 2012-01-05 | Large-turning grinding wheel rack for screw rotor grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220001827 CN202825484U (en) | 2012-01-05 | 2012-01-05 | Large-turning grinding wheel rack for screw rotor grinding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202825484U true CN202825484U (en) | 2013-03-27 |
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ID=47937276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220001827 Expired - Fee Related CN202825484U (en) | 2012-01-05 | 2012-01-05 | Large-turning grinding wheel rack for screw rotor grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202825484U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579928A (en) * | 2021-08-20 | 2021-11-02 | 上海新钐机床有限公司 | Multi-degree-of-freedom grinding frame device |
| CN115383577A (en) * | 2022-08-23 | 2022-11-25 | 廊坊祥和密封制品有限公司 | Processing method of polytetrafluoroethylene modified sealing plate |
-
2012
- 2012-01-05 CN CN 201220001827 patent/CN202825484U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579928A (en) * | 2021-08-20 | 2021-11-02 | 上海新钐机床有限公司 | Multi-degree-of-freedom grinding frame device |
| CN115383577A (en) * | 2022-08-23 | 2022-11-25 | 廊坊祥和密封制品有限公司 | Processing method of polytetrafluoroethylene modified sealing plate |
| CN115383577B (en) * | 2022-08-23 | 2023-10-13 | 廊坊祥和密封制品有限公司 | Processing method of polytetrafluoroethylene modified sealing plate |
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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: 20130327 Termination date: 20210105 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |