CN109531358B - Ball screw processing technology, related outer raceway grinding tool and ball screw pair - Google Patents
Ball screw processing technology, related outer raceway grinding tool and ball screw pair Download PDFInfo
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- CN109531358B CN109531358B CN201811348704.2A CN201811348704A CN109531358B CN 109531358 B CN109531358 B CN 109531358B CN 201811348704 A CN201811348704 A CN 201811348704A CN 109531358 B CN109531358 B CN 109531358B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
- B24B19/06—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for grinding races, e.g. roller races
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
- B24B19/022—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements for helicoidal grooves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/34—Accessories
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
- F16H25/2204—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with balls
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a ball screw processing technology, and relates to an outer raceway grinding tool and a ball screw pair, belonging to the field of ball screw pairs. The invention has the effect of simply and effectively grinding the outer raceway of the ball screw.
Description
Technical Field
The invention relates to the technical field of ball screw pairs, in particular to a ball screw processing technology, an outer raceway grinding tool and a ball screw pair.
Background
The ball screw pair is a transmission device which is commonly used for converting rotary motion into linear motion in a numerical control machine tool. The rolling of the ball replaces the sliding in the screw nut pair, so that the friction force is small and the performance is good. The ball screw pair mainly comprises a ball screw, a nut, a ball returning device, a nut seat and the like, and the working principle of the ball screw pair is that arc-shaped spiral grooves are processed on the ball screw and the nut, when the screw and the nut are sleeved together, a spiral raceway is formed, and the raceway is filled with the ball. The balls roll along the roller path and circulate back and forth through the ball returning tube. The two ends of the ball returning pipe also play the role of blocking balls so as to prevent the balls from falling out along the roller path.
In a ball screw pair, a thread raceway of a ball screw is a key for realizing functions such as motion positioning of the screw pair, and is a core mechanical element of the screw pair. Grinding is used as the last process for processing the lead screw, and the precision and the reliability of lead screw processing can be guaranteed. Therefore, how to simply and effectively grind the outer raceway of the screw in the ball screw pair is always the focus of research and development of related manufacturing enterprises.
Disclosure of Invention
The first purpose of the invention is to provide a ball screw outer raceway grinding tool which has the effect of simply and effectively grinding the ball screw outer raceway.
The second purpose of the invention is to provide a ball screw processing technology which has the effects of saving processing cost and improving production efficiency.
The third object of the present invention is to provide a ball screw assembly, which has the effect of ensuring the transmission precision and reliability of the ball screw and the nut.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a frock is ground to ball outer raceway, includes work platform, the last grinding nut that is provided with of work platform, the grinding nut inside wall is provided with the interior raceway profile with ball outer raceway profile looks adaptation, the grinding nut outside is equipped with the afterburning subassembly of grinding rather than fixed, the last one side that is located grinding afterburning subassembly of work platform is equipped with the propelling movement subassembly, the propelling movement subassembly is used for rotatory propelling movement ball.
Through adopting above-mentioned technical scheme, locate ball soon in grinding the nut, exert pressure to grinding the nut through grinding afterburning subassembly, recycle propelling movement subassembly limit and rotate the limit with ball forward propelling movement, make ball and grinding nut relative rotation, grind the interior raceway profile of nut this moment and just directly grind ball outer raceway, whole grinding process can realize automatically, and simple effective and practiced thrift manufacturing cost.
The invention is further configured to: the pushing assembly comprises a pushing support, a pushing sleeve and a pushing screw rod, the pushing sleeve is vertically fixed with the pushing support, one end of the pushing screw rod extends into the pushing sleeve, and the other end of the pushing screw rod is fixedly connected with a fixing sleeve for embedding the end part of the ball screw;
the propelling movement sleeve pipe is fixedly provided with a connecting seat, a limiting groove is arranged in the connecting seat, a worm wheel in threaded connection with the propelling screw rod is arranged in the limiting groove, and a worm meshed with the worm wheel is rotatably connected to the side wall of the connecting seat.
Through adopting above-mentioned technical scheme, embolia ball's one end to the fixed cover in, utilize the meshing transmission of worm wheel and worm, realize that the continuation grinds ball outer raceway.
The invention is further configured to: and the fixed sleeve is in threaded connection with a locking bolt with one end abutting against the side face of the ball screw.
Through adopting above-mentioned technical scheme, the locking bolt can make ball and fixed cover fixed connection to realize the synchronous rotation of the two, also convenient the dismantlement.
The invention is further configured to: the propelling movement support is provided with driving motor, fixedly connected with initiative bevel gear on driving motor's the rotor, the one end of worm is worn out the connecting seat and fixedly connected with driven helical gear, driven helical gear and the meshing transmission of initiative bevel gear.
Through adopting above-mentioned technical scheme, utilize driving motor can control the initiative bevel gear and rotate to drive driven helical gear and worm and rotate, and then adjust the flexible of propelling movement screw rod, realize grinding ball outer raceway automatically, made things convenient for the operation, practiced thrift manpower and materials.
The invention is further configured to: the grinding stress application assembly comprises a flexible pressurizing ring and a plurality of extrusion rings, the flexible pressurizing ring is sleeved on the outer side of the grinding nut, the extrusion rings are attached to the outer side of the flexible pressurizing ring in a surrounding mode, and extrusion sheets abutted against the left end and the right end of the flexible pressurizing ring are arranged on two sides of each extrusion ring;
and the working platform is provided with a driving cylinder for extruding each extrusion ring towards the flexible pressurization ring.
Through adopting above-mentioned technical scheme, drive actuating cylinder drive extrusion piece extrusion flexible pressure ring, utilize flexible pressure ring to exert circumference pretension pressure to grinding nut, and then realize utilizing grinding nut's interior raceway type to grind the outer raceway of ball.
The invention is further configured to: and a plurality of auxiliary material liquid channels are communicated and penetrated on the extrusion ring, the flexible pressurizing ring and the grinding nut.
Through adopting above-mentioned technical scheme, can let in grinding material liquid in the auxiliary material liquid way, can get into to ball's outer raceway through the auxiliary material liquid way before ball grinds, and in the grinding in-process sustainability supplies with, has guaranteed that outer raceway grinds and targets in place, and need not additionally to provide again and grind, has made things convenient for the operation.
The invention is further configured to: the grinding nut and the cross section of the flexible pressurizing ring are in a regular polygon shape.
Through adopting above-mentioned technical scheme, when ball grinds, difficult relative slip that takes place between flexible pressure ring and grinding nut, extrusion piece and the flexible pressure ring for grind work more reliable and stable.
A ball screw processing technology comprises the steps of blanking of a blank, spheroidizing annealing, rough turning of an excircle, threading, stress relief annealing, surface quenching of a working face, tempering, rough grinding of the excircle, threading, aging stress relief treatment, accurate grinding of the excircle and the threading, wherein the steps of accurate grinding of the excircle and the threading adopt the grinding tool to grind an outer raceway of a ball screw.
Through adopting above-mentioned technical scheme, in process fine grinding excircle, screw thread process, utilize and grind the outer raceway of frock to ball, not only can reach the effect of grinding, can also practice thrift manufacturing cost simultaneously, improve production efficiency.
The ball screw pair comprises a ball screw and a nut, wherein the ball screw is manufactured by the machining process.
Through adopting above-mentioned technical scheme, ball screw's outer raceway is through grinding the frock back, and it is when with nut cooperation transmission, and transmission precision is higher, also more reliable.
In conclusion, the invention has the following beneficial effects:
1. through the arrangement of the grinding nut, the grinding force application assembly and the pushing assembly, the grinding work of the ball screw outer raceway can be automatically realized, the method is simple and effective, and the production cost can be saved;
2. through the arrangement of the auxiliary material liquid channel, auxiliary liquid such as grinding material liquid and the like can be added while grinding, so that the operation is facilitated, and the grinding can be more in place;
3. the cross section of the flexible pressurizing ring and the grinding nut is set to be a regular polygon, so that the grinding nut is not easy to move relatively when the outer raceway of the ball screw is ground, and the grinding reliability of the ball screw is guaranteed.
Drawings
FIG. 1 is a schematic view of a ball screw grinding apparatus according to embodiment 1 of the present invention;
FIG. 2 is a schematic view of a structure for embodying an extruded sheet in example 1 of the present invention;
fig. 3 is a schematic view for showing a connection relationship between the ball screw and the nut in embodiment 3 of the present invention.
In the figure, 1, a working platform; 2. grinding the nut; 3. a grinding force application assembly; 31. a flexible compression ring; 32. an extrusion ring; 33. extruding the sheet; 34. a driving cylinder; 35. a connecting rod; 4. a push assembly; 41. pushing the bracket; 42. pushing the sleeve; 43. pushing the screw rod; 431. fixing a sleeve; 44. a connecting seat; 441. a limiting groove; 45. a worm gear; 46. a worm; 47. locking the bolt; 5. a ball screw; 6. a transmission assembly; 61. a drive motor; 62. a drive bevel gear; 63. a driven helical gear; 7. an auxiliary material liquid channel; 8. an auxiliary liquid tank; 81. a feed pipe; 9. and a nut.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: as shown in fig. 1, the ball screw outer raceway grinding tool disclosed by the invention comprises a working platform 1, wherein a grinding nut 2 for grinding an outer raceway of a ball screw 5 is arranged in the middle of the working platform 1, the cross section of the grinding nut 2 is in a regular hexagon, and an inner raceway profile matched with the outer raceway profile of the ball screw 5 is arranged on the inner side wall of the grinding nut. The middle part of the working platform 1 is provided with a grinding stress application component 3, a grinding nut 2 is arranged at the outer side of a ball screw 5 in a rotating mode during grinding, and the grinding nut and the ball screw are clamped, fixed and applied with pressure through the grinding stress application component 3. A pushing assembly 4 for automatically pushing a ball screw 5 is further arranged on one side, located on the grinding nut 2, of the working platform 1.
As shown in fig. 1, the pushing assembly 4 includes a pushing bracket 41, a pushing sleeve 42, and a pushing screw 43. The pushing support 41 is fixedly arranged at one side of the working platform 1, and one end of the pushing sleeve 42 penetrates through the pushing support 41 and is vertically fixed with the pushing sleeve. The pushing sleeve 42 is provided with a connecting seat 44, a limiting groove 441 is formed in the connecting seat 44, one end of the pushing screw 43 penetrates through the limiting groove 441 and extends into the pushing sleeve 42, the other end of the pushing screw is fixedly connected with a fixing sleeve 431 for embedding the ball screw 5, and in the specific implementation process, the end part of the ball screw 5 and the fixing sleeve 431 can be fixed through a locking bolt 47. A worm wheel 45 in threaded connection with the pushing screw 43 is arranged in the limiting groove 441, the worm wheel 45 is in threaded connection with the pushing screw 43, a worm 46 meshed with the worm wheel 45 is rotatably connected to the side wall of the connecting seat 44, and one end of the worm 46 penetrates out of the connecting seat 44 and is driven to rotate by the transmission assembly 6.
As shown in fig. 1, the transmission assembly 6 includes a driving motor 61, a driving bevel gear 62, and a driven bevel gear 63. The driving motor 61 is mounted on the pushing support 41, a driving bevel gear 62 is coaxially fixed on a rotor of the driving motor 61, one end of the worm 46 penetrating through the connecting seat 44 is coaxially fixed with a driven bevel gear 63, and the driven bevel gear 63 is in meshing transmission with the driving bevel gear 62. Utilize driving motor 61 can control initiative bevel gear 62 and rotate to drive driven helical gear 63 and worm 46 and rotate, and then adjust propelling movement screw 43's flexible, realize continuously carrying out the automatic grinding to ball 5 outer raceway, made things convenient for the operation, practiced thrift manpower and materials. Meanwhile, the driving force of the driving motor 61 can be steered by matching the driving bevel gear 62 with the driven bevel gear 63, so that the space occupation rate of the whole device is saved, and a larger operation space is reserved.
As shown in fig. 1 and 2, the grinding force application assembly 3 includes a flexible pressing ring 31 and a plurality of pressing rings 32, the flexible pressing ring 31 is sleeved outside the grinding nut 2, and the flexible pressing ring 31 is made of polyurethane material. In this embodiment, the number of the extrusion rings 32 is two, and the two extrusion rings are arranged in an up-down symmetrical manner, the extrusion rings 32 surround and are attached to the outer side of the flexible pressurization ring 31, and the extrusion sheets 33 attached to the left and right end faces of the flexible pressurization ring 31 are integrally formed on the left and right sides of the extrusion rings 32. Be provided with on work platform 1 and be used for driving two extrusion rings 32 and be close to each other and the actuating cylinder 34 that keeps away from, utilize extrusion ring 32 and extrusion piece 33 can be totally with flexible clamping ring 31 laminating parcel including, after will grinding nut 2 and ball 5 assembly during initial condition, locate grinding nut 2 surface through actuating cylinder 34 again to flexible clamping ring 31, grinding nut 2 with flexible clamping ring 31 cover and exert circumference pretension pressure, and then realize utilizing the outer raceway of the interior raceway type face ball 5 of grinding nut 2 to grind. In the specific implementation process, a sliding platform (not shown in the figure) can be arranged on the working platform 1, the grinding and force-adding components 3 are all arranged on the sliding platform, one of the driving cylinders 34 is arranged on the sliding platform, and the other driving cylinder 34 is arranged on the sliding platform through a connecting rod 35.
As shown in fig. 1, a plurality of through holes are formed through the pressing ring 32, the flexible pressing ring 31 and the grinding nut 2. A positioning groove (not shown) may be formed on the surface of the grinding nut 2, and a hemispherical positioning protrusion (not shown) may be formed on the inner sidewall of the grinding nut 2. When the hemispherical positioning protrusion is embedded into the positioning groove, the through holes on the flexible pressurizing ring 31 and the grinding nut 2 are aligned, and then the through holes on the extruding ring 32 are aligned, so that the auxiliary material liquid channel 7 can be formed. An auxiliary material liquid tank is installed on the pushing support 41, grinding liquid is filled in the auxiliary material liquid tank, and the grinding liquid is sent into the auxiliary material liquid channel 7 through a material liquid pipe 81. The lapping liquid can get into to ball 5's outer raceway through auxiliary material liquid way 7 before ball 5 grinds, and sustainability supply in the grinding process, because ball 5 and 2 relative motion's of grinding nut existence, the abrasive particle in the lapping liquid can also appear rolling along ball 5 outer raceway shape gliding, the abrasive particle constantly exchanges the position, make difficult jam and local passivation between the abrasive particle, and the machining efficiency is improved, and need not to additionally provide again and grind, the operation is made things convenient for.
The implementation principle of the above embodiment is as follows: the grinding nut 2 and the ball screw 5 are assembled, and then the flexible pressing ring 31 is sleeved outside the grinding nut 2. The end of the ball screw 5 is inserted into the fixing sleeve 431, the position of the grinding force-applying assembly 3 can be adjusted according to the length of the ball screw 5, and at the moment, the driving cylinder 34 drives the extrusion ring 32 and the extrusion sheet 33 to wrap the whole flexible pressurization ring 31 and align with the auxiliary material liquid channel 7.
The driving motor 61 is started, the worm gear 46 is rotated by the driving bevel gear 62 and the driven bevel gear 63, and the pushing screw 43 is rotatably extended out of the pushing sleeve by the meshing transmission of the worm gear 45 and the worm gear 46 and carries the ball screw 5 to rotate relative to the grinding nut 2. The outer race profile of the ball screw 5 can be ground by the abrasive liquid in the auxiliary liquid passage 7. When the grinding of the ball screw 5 is finished, the driving motor 61 rotates reversely again, so that the ball screw 5 grinds reversely again and finally exits from the grinding nut 2.
Example 2: a ball screw processing technology comprises the following steps:
the processing technology of the ball screw comprises the following steps: blanking a blank, spheroidizing annealing, roughly turning an outer circle, threading, stress relief annealing, quenching the surface of a working face, tempering, roughly grinding the outer circle, threading, aging stress relief treatment, and finely grinding the outer circle and the threading.
Blanking of a blank: the steel grade material may be GCr15 steel, the corresponding material being cut from the entire batch of material according to the design dimensions of the workpiece.
Spheroidizing annealing: the carbide in the steel is spheroidized and annealed to obtain a structure of spherical or granular carbide uniformly distributed on the ferrite matrix. The purpose of spheroidizing annealing is to reduce hardness, improve machinability, and prepare the structure for subsequent heat treatment. The spheroidizing annealing can adopt a 3m well type resistance furnace with the power of about 100kW, the annealing temperature is (800 +/-10) DEG C, the heat preservation is carried out for 4-6h, the temperature is slowly reduced to (720 +/-10) DEG C at the speed of lower than 30 ℃/h after the heat preservation is finished, the heat preservation is carried out for 6-8h, the temperature is cooled to below 500 ℃ along with the furnace after the heat preservation is finished, and the workpiece is taken out of the furnace and cooled by air.
Rough turning of excircle and thread: a common lathe and a numerical control lathe can be selected for processing, the outer circle of the ball screw 5 is firstly turned, then the external thread is turned, a straight-moving method is selected during thread turning, namely the Z-axis direction of the cutter is not changed during the processing process, the cutter is fed in times in the diameter direction to finish the cutting of the thread, and a 2mm-3mm allowance is reserved after rough turning.
Surface quenching and tempering of the working surface: heating to 800-.
Rough grinding of excircle and thread: the center type cylindrical grinding is adopted, a workpiece is clamped by two center points, and the workpiece rotates according to a central axis formed by two center holes during grinding, so that the outer circle meets higher precision requirements; and grinding the outer raceway of the ball screw 5 by a coarse grinding thread selection grinder and a grinding wheel, and reserving grinding consumption of 0.1-0.2mm after coarse grinding.
Aging stress relief treatment: and (3) placing the workpiece in a low-temperature oven at the temperature of 140-.
Fine grinding of the excircle and the thread: the finish grinding excircle can adopt cylindrical grinder, assembles ball 5 and grinding nut 2 among embodiment 1 during the finish grinding screw thread to place and grind on the grinding frock, ball 5's outer raceway profile positive and negative grinding is once, grinds the grinding quantity that the corase grind was reserved during the finish grinding.
Example 3: a ball screw assembly, as shown in fig. 3, includes a ball screw 5 and a nut 9, and the ball screw 5 is manufactured by the processing described in embodiment 2.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a frock is ground to ball outer raceway which characterized in that: the grinding and force-boosting device comprises a working platform (1), wherein a grinding nut (2) is arranged on the working platform (1), an inner roller way profile matched with an outer roller way profile of a ball screw (5) is arranged on the inner side wall of the grinding nut (2), a grinding and force-boosting component (3) for fixing the grinding nut (2) is arranged on the outer side of the grinding nut (2), a pushing component (4) is arranged on one side, located on the grinding and force-boosting component (3), of the working platform (1), and the pushing component (4) is used for rotationally pushing the ball screw (5);
the pushing assembly (4) comprises a pushing support (41), a pushing sleeve (42) and a pushing screw rod (43), the pushing sleeve (42) is vertically fixed with the pushing support (41), one end of the pushing screw rod (43) extends into the pushing sleeve (42), and the other end of the pushing screw rod is fixedly connected with a fixing sleeve (431) for embedding the end part of the ball screw rod (5);
a connecting seat (44) is fixedly arranged on the pushing sleeve (42), a limiting groove (441) is arranged in the connecting seat (44), a worm wheel (45) in threaded connection with the pushing screw rod (43) is arranged in the limiting groove (441), and a worm (46) meshed with the worm wheel (45) is rotatably connected to the side wall of the connecting seat (44);
a locking bolt (47) with one end abutting against the side surface of the ball screw (5) is in threaded connection with the fixed sleeve (431);
a driving motor (61) is arranged on the pushing support (41), a driving bevel gear (62) is fixedly connected to a rotor of the driving motor (61), one end of the worm (46) penetrates through the connecting seat (44) and is fixedly connected with a driven bevel gear (63), and the driven bevel gear (63) is in meshing transmission with the driving bevel gear (62);
the grinding and force-adding assembly (3) comprises a flexible pressurizing ring (31) and a plurality of extrusion rings (32), the flexible pressurizing ring (31) is sleeved on the outer side of the grinding nut (2), the extrusion rings (32) are attached to the outer side of the flexible pressurizing ring (31) in a surrounding mode, and extrusion sheets (33) which are abutted to the left end and the right end of the flexible pressurizing ring (31) are arranged on two sides of each extrusion ring (32);
a driving cylinder (34) for extruding each extrusion ring (32) towards the flexible pressurization ring (31) is arranged on the working platform (1);
a plurality of auxiliary material liquid channels (7) are communicated and penetrated on the extrusion ring (32), the flexible pressurizing ring (31) and the grinding nut (2).
2. The ball screw outer raceway grinding tool according to claim 1, characterized in that: the sections of the grinding nut (2) and the flexible pressurizing ring (31) are regular polygons.
3. A ball screw processing technology comprises the steps of blanking of a work blank, spheroidizing annealing, rough turning of an excircle, threading, stress relief annealing, surface quenching of a working surface, tempering, rough grinding of the excircle, threading, aging stress relief treatment, accurate grinding of the excircle and the threading, and is characterized in that: the procedure of fine grinding the excircle and the thread adopts the grinding tool in claim 1 or 2 to grind the outer raceway of the ball screw (5).
4. A ball screw pair comprises a ball screw (5) and a nut (9), and is characterized in that: the ball screw (5) is manufactured by the machining process of claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811348704.2A CN109531358B (en) | 2018-11-13 | 2018-11-13 | Ball screw processing technology, related outer raceway grinding tool and ball screw pair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811348704.2A CN109531358B (en) | 2018-11-13 | 2018-11-13 | Ball screw processing technology, related outer raceway grinding tool and ball screw pair |
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| Publication Number | Publication Date |
|---|---|
| CN109531358A CN109531358A (en) | 2019-03-29 |
| CN109531358B true CN109531358B (en) | 2021-04-20 |
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| CN201811348704.2A Active CN109531358B (en) | 2018-11-13 | 2018-11-13 | Ball screw processing technology, related outer raceway grinding tool and ball screw pair |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111894005B (en) * | 2020-07-14 | 2021-10-29 | 上海憨牛建设工程有限公司 | Earthwork foundation ditch bearing structure |
| CN115212976B (en) * | 2022-08-08 | 2024-06-07 | 洛阳豪特现代测试技术有限公司 | Grinding and shaping device and method for soft metal spheres |
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Effective date of registration: 20230424 Address after: Room 1529-179, Building 1, Jiangcheng R&D Park, No. 1088 Jiangcheng Road, Sutong Technology Industrial Park, Nantong City, Jiangsu Province, 226017 (CSSD) Patentee after: Huayeyang Intelligent Technology Nantong Co.,Ltd. Address before: No.18, Zhangjiabang Road, Beiqiao street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU HUAYIYANG TRANSMISSION TECHNOLOGY Co.,Ltd. |