CN202702011U - Vertical double-end face high-precision grinding machine main shaft - Google Patents
Vertical double-end face high-precision grinding machine main shaft Download PDFInfo
- Publication number
- CN202702011U CN202702011U CN 201220358437 CN201220358437U CN202702011U CN 202702011 U CN202702011 U CN 202702011U CN 201220358437 CN201220358437 CN 201220358437 CN 201220358437 U CN201220358437 U CN 201220358437U CN 202702011 U CN202702011 U CN 202702011U
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- main shaft
- grinding machine
- cylindrical roller
- fixed
- roller bearing
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- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a vertical double-end face high-precision grinding machine main shaft. The front end of the main shaft is fixed to the inner diameter of a thrust angular contact ball bearing; the thrust angular contact ball bearing is fixed to a shaft sleeve of the main shaft; the outer ring of a double-row cylindrical roller bearing is fixed to the shaft sleeve of the main shaft; the contact surface between the inner ring of the double-row cylindrical roller bearing and the grinding machine main shaft is subjected to conical contact; the contact surface between a synchronous belt wheel and the grinding machine main shaft is subjected to conical contact; and the main shaft is connected to a transmission system of the grinding machine through a screw rod connecting seat. According to the vertical double-end face high-precision grinding machine main shaft, the front end of the main shaft is changed minimally, so that the front end of the main shaft has extremely high precision; the double-row cylindrical roller bearing and the synchronous belt wheel are in conical fit with the main shaft respectively, so that the main shaft is easier to assemble, the requirement on higher coaxiality of the thrust angular contact ball bearing, the double-row cylindrical roller bearing and the synchronous belt wheel is met, and the service life of the main shaft bearing is prolonged; and a through hole is formed in the middle of the grinding machine main shaft, and cooling water passes through the center of the main shaft, so that an effect of cooling workpieces and bearings is achieved.
Description
Technical field:
The utility model relates to the electromechanical equipment field, a kind of grinding machine specifically, it more specifically is a kind of high accuracy face grinding machine grinding spindle, front-end of spindle is equipped with end grinding wheel, be installed on the face grinding machine, the workpiece that flatness, the depth of parallelism are had relatively high expectations is processed, be mainly used on the single, double face grinding machine.
Background technology
Vertical paralleled surface grinding machine generally is used on the Precision Machining, two high accuracy end faces of the end face while grinding work piece of top lower two emery wheels, because the required precision of processing work is high, so, the design of grinding spindle is most important, and the main shaft required precision is higher, operation is more stable.
The double-ended grinding machine main shaft mainly adopts single-row angular contact ball bearing combination, pairing to use at present, and installation and debugging are all inconvenient, and the main shaft precision also is not easy control, and assembling high-precision main shaft success rate is lower.Because grinding is stressed, after main shaft worked long hours, it is large that precision becomes easily, and it is relatively poor that precision keeps.
The utility model content:
For solving the problems of the technologies described above, the utility model discloses a kind of vertical grinding machine with double end faces high-precision grinder main shaft, the utility model inside is positioned by the angular contact thrust ball bearing of the FAG brand that one group of Germany Schaeffler company produces, and this bearing has accurate positioning, running accuracy high; The Biserial cylindrical roller bearing of the NTN brand of one group of company of Japan grace ladder benefactor department production positions and leads, brearing bore is the conical surface, match with the conical surface on the axle, guaranteed the axiality of main shaft front and back, in addition in this bearing, allow in the axial direction the displacement of certain size between the outer ring, during the main shaft High Rotation Speed, must have certain temperature rise, make the main axis length size that small variation occur, because in the bearing, the outer ring axially can be moved, main shaft is changed to the main shaft tail diffusion, and it is minimum to guarantee that front-end of spindle changes, thereby front-end of spindle obtains very high precision.Biserial cylindrical roller bearing and synchronous pulley adopt cone match with main shaft respectively, make assembling easier, simultaneously can make again angular contact thrust ball bearing, Biserial cylindrical roller bearing, synchronous pulley three obtain higher axiality requirement, when obtaining high-precision main shaft, also improved the service life of main shaft bearing.
In the middle of the grinding machine spindle through hole is arranged, cooling water passes through from the alignment of shafts, plays the effect of cooling workpiece and bearing.
Concrete scheme is:
A kind of vertical grinding machine with double end faces high-precision grinder main shaft, comprise main shaft, the front end of described main shaft and the internal diameter of angular contact thrust ball bearing are fixed, the external diameter of described angular contact thrust ball bearing is fixed on the main shaft sleeve, grinding machine spindle is by the support of angular contact thrust ball bearing, and the front end of grinding machine spindle obtains the location; Grinding wheel flanged disc is connected on the grinding machine spindle front end end face, emery wheel is fixed on the upper of grinding wheel flanged disc, rear end at described main shaft: the outer ring of Biserial cylindrical roller bearing is fixed on the main shaft sleeve, the inner ring of Biserial cylindrical roller bearing is that the conical surface contacts with contact-making surface between grinding machine spindle, and two ends compress with bearing gland and round nut respectively and are fixed; Synchronous pulley is that the conical surface contacts with contact-making surface between grinding machine spindle, is fixed with gland, and main shaft is connected in the transmission system of grinding machine by the leading screw Connection Block;
The inner ring of described Biserial cylindrical roller bearing and the tapering of the contact-making surface between grinding machine spindle are 1:12;
Contact-making surface tapering between described synchronous pulley and grinding machine spindle is 1:12;
For reaching the effect of cooling, the utility model also comprises water diversion disk, high-speed joint, described water diversion disk is connected on the end face of emery wheel, in the main shaft rotary course, play the effect that disperses cooling water, described high-speed joint is installed in the top of main shaft, cooling water enters the Spindle's cooling aquaporin to main shaft, angular contact thrust ball bearing, Biserial cylindrical roller bearing cooling by high-speed joint, utilize at last water diversion disk that cooling water is spread across on the workpiece of grinding, workpiece is cooled off;
For guaranteeing axiality, the FAG brand product that described angular contact thrust ball bearing adopts German Schaeffler company to produce; The NTN brand product that described Biserial cylindrical roller bearing adopts company of the terraced benefactor of Japanese grace department to produce.
The utility model has the advantages that: it is minimum to guarantee that front-end of spindle changes, thereby front-end of spindle obtains very high precision.Biserial cylindrical roller bearing and synchronous pulley adopt cone match with main shaft respectively, make assembling easier, simultaneously can make again angular contact thrust ball bearing, Biserial cylindrical roller bearing, synchronous pulley three obtain higher axiality requirement, when obtaining high-precision main shaft, also improved the service life of main shaft bearing; In the middle of the grinding machine spindle through hole is arranged, cooling water passes through from the alignment of shafts, plays the effect of cooling workpiece and bearing.
Description of drawings
Fig. 1 is structural representation of the present utility model.
The specific embodiment:
Specify the utility model below in conjunction with accompanying drawing, such as Fig. 1, the front end of main shaft refers to the below of Fig. 1: angular contact thrust ball bearing 9 is fixed on the main shaft sleeve 8, grinding machine spindle 5 is by the support of angular contact thrust ball bearing 9, and the front end of grinding machine spindle 5 obtains the location, and grinding wheel flanged disc 10 is connected on the grinding machine spindle 5 front end end faces, emery wheel 12 is connected to the upper of grinding wheel flanged disc 10, water diversion disk 11 is connected on the end face of emery wheel 12, in the main shaft rotary course, plays the effect that disperses cooling water.The rear end of main shaft refers to the top of Fig. 1: the outer ring of Biserial cylindrical roller bearing 4 is fixed on the main shaft sleeve 8, the inner ring of Biserial cylindrical roller bearing 4 adopts the conical surface to contact with grinding machine spindle 5, two ends compress with bearing gland 3 and round nut 6 respectively and are fixed, guarantee axiality, synchronous pulley 2 adopts the conical surface to contact with grinding machine spindle 5, be fixed with gland, also guaranteed axiality, high-speed joint 1 is installed in the top of main shaft again, cooling water enters main shaft by high-speed joint 1 and carries out main shaft, the cooling of bearing, utilize at last water diversion disk 11 that cooling water is spread across on the workpiece of grinding, workpiece is cooled off.Whole main shaft is connected in the transmission system of grinding machine by leading screw Connection Block 7.
A kind of vertical grinding machine with double end faces high-precision grinder main shaft, comprise main shaft 5, the internal diameter of the front end of described main shaft 5 and angular contact thrust ball bearing 9 is fixed, the external diameter of described angular contact thrust ball bearing 9 is fixed on the main shaft sleeve 8, grinding machine spindle 5 is by the support of angular contact thrust ball bearing 9, and the front end of grinding machine spindle 5 obtains the location; Grinding wheel flanged disc 10 is connected on the grinding machine spindle 5 front end end faces, emery wheel 12 is fixed on the upper of grinding wheel flanged disc 10, rear end at described main shaft: the outer ring of Biserial cylindrical roller bearing 4 is fixed on the main shaft sleeve 8, the contact-making surface 40 of the inner ring of Biserial cylindrical roller bearing 4 and 5 of grinding machine spindles is for the conical surface contacts, and two ends compress with bearing gland 3 and round nut 6 respectively and are fixed; The contact-making surface 30 of synchronous pulley 2 and 5 of grinding machine spindles is fixed with gland for the conical surface contacts, and main shaft 5 is connected in the transmission system of grinding machine by leading screw Connection Block 7;
The tapering of the contact-making surface 40 that the inner ring of described Biserial cylindrical roller bearing 4 and grinding machine spindle are 5 is 1:12;
Contact-making surface 30 taperings that described synchronous pulley 2 and grinding machine spindle are 5 are 1:12;
For reaching the effect of cooling, the utility model also comprises water diversion disk 11, high-speed joint 1, described water diversion disk 11 is connected on the end face of emery wheel 12, in the main shaft rotary course, play the effect that disperses cooling water, described high-speed joint 1 is installed in the top of main shaft 5, cooling water enters the cooling-water duct of main shaft 5 to main shaft 5, angular contact thrust ball bearing 9, Biserial cylindrical roller bearing 4 coolings by high-speed joint 1, utilize at last water diversion disk 11 that cooling water is spread across on the workpiece of grinding, workpiece is cooled off;
For guaranteeing axiality, the FAG brand product that described angular contact thrust ball bearing 9 adopts German Schaeffler company to produce; The NTN brand product that described Biserial cylindrical roller bearing 4 adopts company of the terraced benefactor of Japanese grace department to produce.
Claims (4)
1. vertical grinding machine with double end faces high-precision grinder main shaft, comprise main shaft (5), it is characterized in that: the internal diameter of the front end of described main shaft (5) and angular contact thrust ball bearing (9) is fixed, the external diameter of described angular contact thrust ball bearing (9) is fixed on the main shaft sleeve (8), grinding machine spindle (5) is by the support of angular contact thrust ball bearing (9), and the front end of grinding machine spindle (5) obtains the location; Grinding wheel flanged disc (10) is connected on grinding machine spindle (5) the front end end face, emery wheel (12) is fixed on the upper of grinding wheel flanged disc (10), rear end at described main shaft: the outer ring of Biserial cylindrical roller bearing (4) is fixed on the main shaft sleeve (8), contact-making surface (40) between the inner ring of Biserial cylindrical roller bearing (4) and grinding machine spindle (5) is for the conical surface contacts, and two ends are used respectively bearing gland (3) and round nut (6) to compress and are fixed; Contact-making surface (30) between synchronous pulley (2) and grinding machine spindle (5) is fixed with gland for the conical surface contacts, and main shaft (5) is connected in the transmission system of grinding machine by leading screw Connection Block (7).
2. main shaft according to claim 1, it is characterized in that: also comprise water diversion disk (11), high-speed joint (1), described water diversion disk (11) is connected on the end face of emery wheel (12), in the main shaft rotary course, play the effect that disperses cooling water, described high-speed joint (1) is installed in the top of main shaft (5), cooling water enters the cooling-water duct of main shaft (5) to main shaft (5) by high-speed joint (1), angular contact thrust ball bearing (9), Biserial cylindrical roller bearing (4) cooling, utilize at last water diversion disk (11) that cooling water is spread across on the workpiece of grinding, workpiece is cooled off.
3. main shaft according to claim 1, it is characterized in that: the tapering of the contact-making surface (40) between the inner ring of described Biserial cylindrical roller bearing (4) and grinding machine spindle (5) is 1:12.
4. main shaft according to claim 1, it is characterized in that: contact-making surface (30) tapering between described synchronous pulley (2) and grinding machine spindle (5) is 1:12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220358437 CN202702011U (en) | 2012-07-23 | 2012-07-23 | Vertical double-end face high-precision grinding machine main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220358437 CN202702011U (en) | 2012-07-23 | 2012-07-23 | Vertical double-end face high-precision grinding machine main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202702011U true CN202702011U (en) | 2013-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220358437 Expired - Lifetime CN202702011U (en) | 2012-07-23 | 2012-07-23 | Vertical double-end face high-precision grinding machine main shaft |
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| Country | Link |
|---|---|
| CN (1) | CN202702011U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213052A (en) * | 2013-04-02 | 2013-07-24 | 黄山明明德轴承有限公司 | Inner-ring groove grinding machine grinding wheel spindle system for ball bearing |
| CN103567861A (en) * | 2012-07-23 | 2014-02-12 | 沈阳海默数控机床有限公司 | Vertical double-end-surface high accuracy grinding machine spindle |
| CN103978426A (en) * | 2014-05-23 | 2014-08-13 | 浙江勤龙机械科技股份有限公司 | Full-static-pressure back-cone type high-speed main shaft of grinding head mechanism and assembly process thereof |
| CN106141830A (en) * | 2015-05-13 | 2016-11-23 | 通用汽车环球科技运作有限责任公司 | Grinder assembly |
| CN115139169A (en) * | 2022-08-09 | 2022-10-04 | 肇庆高峰机械科技有限公司 | Control system for numerical control vertical single-side grinding machine for large square |
| CN115256160A (en) * | 2022-08-09 | 2022-11-01 | 肇庆高峰机械科技有限公司 | Numerical control vertical single-side grinding machine for large square |
-
2012
- 2012-07-23 CN CN 201220358437 patent/CN202702011U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103567861A (en) * | 2012-07-23 | 2014-02-12 | 沈阳海默数控机床有限公司 | Vertical double-end-surface high accuracy grinding machine spindle |
| CN103567861B (en) * | 2012-07-23 | 2016-06-08 | 沈阳海默数控机床有限公司 | Vertical grinding machine with double end faces high-precision grinder main shaft |
| CN103213052A (en) * | 2013-04-02 | 2013-07-24 | 黄山明明德轴承有限公司 | Inner-ring groove grinding machine grinding wheel spindle system for ball bearing |
| CN103978426A (en) * | 2014-05-23 | 2014-08-13 | 浙江勤龙机械科技股份有限公司 | Full-static-pressure back-cone type high-speed main shaft of grinding head mechanism and assembly process thereof |
| CN103978426B (en) * | 2014-05-23 | 2016-12-07 | 浙江勤龙机械科技股份有限公司 | Full-static-pressure back-cone type high-speed main shaft of grinding head mechanism and assembly process thereof |
| CN106141830A (en) * | 2015-05-13 | 2016-11-23 | 通用汽车环球科技运作有限责任公司 | Grinder assembly |
| US9969053B2 (en) | 2015-05-13 | 2018-05-15 | GM Global Technology Operations LLC | Grinder adaptor assembly |
| CN106141830B (en) * | 2015-05-13 | 2018-11-16 | 通用汽车环球科技运作有限责任公司 | Grind thermomechanical components |
| CN115139169A (en) * | 2022-08-09 | 2022-10-04 | 肇庆高峰机械科技有限公司 | Control system for numerical control vertical single-side grinding machine for large square |
| CN115256160A (en) * | 2022-08-09 | 2022-11-01 | 肇庆高峰机械科技有限公司 | Numerical control vertical single-side grinding machine for large square |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130130 |