CN212959737U - Flange type ball screw - Google Patents

Flange type ball screw Download PDF

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Publication number
CN212959737U
CN212959737U CN202021860819.2U CN202021860819U CN212959737U CN 212959737 U CN212959737 U CN 212959737U CN 202021860819 U CN202021860819 U CN 202021860819U CN 212959737 U CN212959737 U CN 212959737U
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ball screw
ball
channel
spiral groove
wall
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CN202021860819.2U
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Chinese (zh)
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孙晓明
巩志华
孙晓荣
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Taibaoai Transmission Technology Kunshan Co ltd
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Taibaoai Transmission Technology Kunshan Co ltd
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Abstract

The utility model discloses a flange type ball screw in the technical field of ball screws, which comprises a ball screw, wherein the outer wall of the ball screw is provided with an external spiral groove, the outer wall of the middle part of the ball screw is sleeved with a ball screw nut, the right end surface of the ball screw nut is fixedly connected with a flange, the inner wall of the inner cavity of the ball screw nut is provided with an internal thread groove, balls are uniformly arranged between the internal thread groove and the external thread groove, the external spiral groove and the internal thread groove are matched to form a ball channel for containing the balls, one end of the ball channel is fixedly connected with a backflow channel, the backflow channel is arranged in the upper inner cavity of the ball screw nut, the backflow ball channel and the backflow channel are matched to form a circulation path for moving the balls, the upper end of the middle part of the backflow channel is communicated with an oil filling port, the left, convenient operation effectively improves ball screw's performance.

Description

Flange type ball screw
Technical Field
The utility model relates to a ball technical field specifically is a flange formula ball.
Background
Ball is a linear motion device commonly used, it can be linear motion with rotary motion conversion, present ball mostly includes the screw rod and the nut of cover locating the screw rod, be equipped with a plurality of balls that can follow circulation route reciprocating motion between screw rod and the nut, when using motor drive screw rod rotatory, produce relative rotation between screw rod and the nut and drive the nut and carry out linear motion, but can not carry out effectual dust removal processing to the screw rod when present ball functions, the dust of screw rod surface accumulation can enter into between screw rod and the nut, influence the stability and the precision of ball function, and reduce life and present ball when transferring lubricating oil, need dismantle the nut and add lubricating oil again, the working procedure is loaded down with trivial details, for this reason, we propose a flange formula ball.
Disclosure of Invention
An object of the utility model is to provide a flange formula ball to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a flange type ball screw comprises a ball screw, wherein an outer spiral groove is formed in the outer wall of the ball screw, a ball screw nut is sleeved on the outer wall of the middle of the ball screw, a flange is fixedly connected to the right end face of the ball screw nut, through holes are uniformly formed in the outer ring of the end face of the flange, an inner spiral groove is formed in the inner wall of an inner cavity of the ball screw nut, balls are uniformly arranged between the inner spiral groove and the outer spiral groove, the outer spiral groove and the inner spiral groove are matched to form a ball channel for containing the balls, one end of the ball channel is fixedly connected with one end of a return channel, the return channel is arranged in an inner cavity of the upper portion of the ball screw nut, the other end of the return channel is fixedly connected with the other end of the ball channel, the ball channel and the return channel are matched to form a circulation path for moving, the ball screw nut left end face is equipped with annular shield, the annular shield inner chamber evenly is equipped with dust collector, the annular shield left end face evenly is equipped with the fixed axle, fixed axle outer lane swing joint has the flabellum.
Preferably, the dust removing device comprises a fixed groove, a dust removing block, a first vent hole, a second vent hole and a dust suction cavity, the inner wall of the inner ring of the annular dust cover is uniformly provided with the fixed groove, the inner cavity of the fixed groove is provided with the dust removing block, the inner side surface of the dust removing block is provided with the dust suction cavity, one end, away from the ball screw, of the inner cavity of the dust suction cavity is communicated with the second vent hole, the outer ring of the dust cover is uniformly provided with the first vent hole, and the first vent hole is communicated with the second vent hole.
Preferably, the dust removal block is far away from the fixed groove one end and matches with the outer spiral groove, and the dust removal block is cylindrical, the dust absorption cavity inner chamber diameter is less than the dust removal block diameter.
Preferably, the outer wall of the middle part of the fixed shaft is fixedly connected with a bearing, fan blades are uniformly arranged on the outer ring of the bearing, and the fan blades are windmill fan blades.
Preferably, the sealing plug is the rubber buffer, and the rubber buffer is close to ball screw nut outer wall and is equipped with the apron, and the apron is close to ball screw nut outer wall one end and is equipped with the rubber pad.
Preferably, the through holes are arranged in an annular array on the outer ring of the end face of the flange, and the inner diameters of the through holes are equal.
Compared with the prior art, the beneficial effects of the utility model are that: adopt oiling mouth and sealing plug, guarantee that lubricating oil gets into the backward flow passageway inner chamber through the oiling mouth, the ball of guaranteeing the backward flow passageway inner chamber is stained with lubricating oil, rotatory ball screw nut or ball screw guarantees that the ball that is stained with lubricating oil removes, guarantees that backward flow passageway and ball passageway inner chamber and ball all are stained with lubricating oil, improves ball screw's performance, avoids dismantling to refuel.
The fixed shaft and the fan blades are adopted, so that when the ball screw nut is enabled to translate, the fan blades rotate to generate wind power, the floating and sinking in the air can be blown away, the dust is prevented from falling into an inner cavity of the outer spiral groove, the dust removing block is attached to the inner cavity of the outer spiral groove, the dust removing block can remove one part of dust in the inner cavity of the outer spiral groove, the other part of dust is remained in the dust suction cavity, and the dust is discharged from other vent holes through compressed gas.
Drawings
FIG. 1 is a diagram: the utility model discloses flange formula ball structure schematic diagram.
In the figure: 1. a ball screw; 2. an outer spiral groove; 3. a flange; 4. a through hole; 5. a return channel; 6. an oil filling port; 7. a sealing plug; 8. a ball screw nut; 9. a ball bearing; 10. a dust cover; 11. a fan blade; 12. a fixed shaft; 13. fixing the groove; 14. a dust removal block; 15. a first vent hole; 16. a second vent hole; 17. a dust suction chamber; 18. an inner spiral groove.
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a flange formula ball, including ball 1, 1 outer wall of ball is equipped with outer spiral groove 2, 1 middle part outer wall of ball has cup jointed ball nut 8, 8 right-hand member face fixedly connected with flanges 3 of ball nut, 3 terminal surface outer lanes of flange evenly are equipped with through-hole 4, 8 inner chamber inner walls of ball nut are equipped with interior spiral groove 18, evenly be equipped with ball 9 between interior spiral groove 18 and the outer spiral groove 2, outer spiral groove 2 and the cooperation of interior spiral groove 18 form the ball passageway that is used for holding ball 9, interior spiral groove 18 is corresponding with outer spiral groove 2, guarantee that ball 9 normally rolls.
Referring to fig. 1, one end of the ball channel is fixedly connected to one end of the backflow channel 5, the backflow channel 5 is disposed in an inner cavity of an upper portion of the ball screw nut 8, the other end of the backflow channel 5 is fixedly connected to the other end of the ball channel, the ball channel and the backflow channel 5 are matched to form a circulation path for movement of balls 9, the balls 9 are sequentially discharged in the ball channel and the inner cavity of the backflow channel 5, and the translation length of the ball screw nut 8 is guaranteed to be accurate.
Referring to fig. 1, the upper end of the middle of the backflow passage 5 is communicated with an oil filling port 6, a sealing plug 7 is arranged on the upper portion of an inner cavity of the oil filling port 6, an annular dust cover 10 is arranged on the left end face of a ball screw nut 8, a dust removal device is uniformly arranged in the inner cavity of the annular dust cover 10, a fixing shaft 12 is uniformly arranged on the left end face of the annular dust cover 10, fan blades 11 are movably connected to the outer ring of the fixing shaft 12, the inner diameter of the oil filling port 6 is 5-8mm, it is guaranteed that the oil filling port 6 cannot leak oil, four groups of the fan blades.
Referring to fig. 1, the dust removing device includes a fixing groove 13, a dust removing block 14, first vent holes 15, second vent holes 16 and dust suction chambers 17, the fixing groove 13 is uniformly arranged on the inner wall of the inner ring of the annular dust cover 10, the dust removing block 14 is arranged in the inner cavity of the fixing groove 13, the dust suction chambers 17 are arranged on the inner side surfaces of the dust removing blocks 14, the second vent holes 16 are communicated with one ends of the inner cavities of the dust suction chambers 17 far away from the ball screw 1, the first vent holes 15 are uniformly arranged on the outer ring of the dust cover 10, the first vent holes 15 are communicated with the second vent holes 16, at least two groups of the dust removing device are arranged, the first vent holes 15 and the second vent holes 16 are communicated with ball passages without balls 9, compressed gas at one end is ensured, and dust can be discharged from the first.
Referring to fig. 1, one end of the dust removal block 14, which is far away from the fixing groove 13, is matched with the outer spiral groove 2, the dust removal block 14 is cylindrical, the diameter of the inner cavity of the dust absorption cavity 17 is smaller than that of the dust removal block 14, so that the dust removal block 14 is attached to the outer ring of one end of the outer spiral groove 2 to prevent dust from entering the inner cavity of the outer spiral groove 2, and meanwhile, the dust removal block 14 is enabled to collect all dust adhered to the inner cavity of the outer spiral groove 2, and the balls 9 are prevented from being affected when rolling.
Referring to fig. 1, the outer wall of the middle portion of the fixed shaft 12 is fixedly connected with a bearing, the outer ring of the bearing is uniformly provided with fan blades 11, and the fan blades 11 are windmill blades, the bearing ensures that the fan blades 11 rotate more conveniently, the fan blades 11 can be driven to rotate by means of translational wind power, dust in air blown out by the wind power is ensured, and the dust is prevented from falling outside the ball screw 1.
Referring to fig. 1, the through holes 4 are arranged in an annular array on the outer ring of the end face of the flange 3, and the inner diameters of the through holes 4 are equal to each other, so as to ensure stable installation of the connecting piece connected to the end face of the flange 3.
Embodiment 2 has increased rubber buffer and apron on embodiment 1's basis, please refer to fig. 1, sealing plug 7 is the rubber buffer, and the rubber buffer is close to ball screw nut 8 outer wall and is equipped with the apron, and the apron is close to ball screw nut 8 outer wall one end and is equipped with the rubber pad, guarantee that lubricating oil gets into 5 inner chambers of backward flow passageway through oiling mouth 6, the ball 9 of guaranteeing 5 inner chambers of backward flow passageway is stained with lubricating oil, rotatory ball screw nut 8 or ball screw 1, the ball 9 of guaranteeing to be stained with lubricating oil removes, guarantee that backward flow passageway 5 and ball passageway inner chamber and ball 9 all are stained with lubricating oil, rubber buffer and apron guarantee that remaining lubricating oil can not spill, improve ball screw's performance, avoid dismantling to refuel, improve work efficiency.
For embodiment 1 increased rubber buffer and apron, guaranteed that return channel 5 and ball passageway inner chamber and ball 9 all are stained with lubricating oil, the rubber buffer is guaranteed with the apron that remaining lubricating oil can not spill, improves ball's performance, avoids dismantling to refuel, improves work efficiency.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a flange formula ball screw, includes ball screw (1), its characterized in that: the outer wall of the ball screw (1) is provided with an outer spiral groove (2), the outer wall of the middle part of the ball screw (1) is sleeved with a ball screw nut (8), the right end face of the ball screw nut (8) is fixedly connected with a flange (3), the outer ring of the end face of the flange (3) is uniformly provided with a through hole (4), the inner cavity wall of the ball screw nut (8) is provided with an inner spiral groove (18), balls (9) are uniformly arranged between the inner spiral groove (18) and the outer spiral groove (2), the outer spiral groove (2) and the inner spiral groove (18) are matched to form a ball channel for containing the balls (9), one end of the ball channel is fixedly connected with one end of a backflow channel (5), the backflow channel (5) is arranged in the upper inner cavity of the ball screw nut (8), the other end of the backflow channel (5) is fixedly connected with the other end of the ball channel, the ball channel and the backflow channel (5), backflow channel (5) middle part upper end intercommunication has oiling mouth (6), oiling mouth (6) inner chamber upper portion is equipped with sealing plug (7), ball screw nut (8) left end face is equipped with annular shield (10), annular shield (10) inner chamber evenly is equipped with dust collector, annular shield (10) left end face evenly is equipped with fixed axle (12), fixed axle (12) outer lane swing joint has flabellum (11).
2. The flange type ball screw according to claim 1, wherein: dust collector includes fixed recess (13), dust removal piece (14), first air vent (15), second air vent (16) and dust absorption chamber (17), annular shield (10) inner circle inner wall evenly is equipped with fixed recess (13), fixed recess (13) inner chamber all is equipped with dust removal piece (14), dust removal piece (14) medial surface all is equipped with dust absorption chamber (17), dust absorption chamber (17) inner chamber is kept away from ball screw (1) one end and all is communicated with second air vent (16), shield (10) outer lane evenly is equipped with first air vent (15), first air vent (15) are linked together with second air vent (16).
3. The flange type ball screw according to claim 2, wherein: one end, far away from the fixed groove (13), of the dust removal block (14) is matched with the outer spiral groove (2), the dust removal block (14) is cylindrical, and the diameter of the inner cavity of the dust suction cavity (17) is smaller than that of the dust removal block (14).
4. The flange type ball screw according to claim 1, wherein: the outer wall fixedly connected with bearing in fixed axle (12) middle part, and the bearing outer lane evenly is equipped with flabellum (11), and flabellum (11) are the windmill flabellum.
5. The flange type ball screw according to claim 1, wherein: sealing plug (7) is the rubber buffer, and the rubber buffer is close to ball screw nut (8) outer wall and is equipped with the apron, and the apron is close to ball screw nut (8) outer wall one end and is equipped with the rubber pad.
6. The flange type ball screw according to claim 1, wherein: the through holes (4) are arranged in an annular array on the outer ring of the end face of the flange (3), and the inner diameters of the through holes (4) are equal.
CN202021860819.2U 2020-08-31 2020-08-31 Flange type ball screw Active CN212959737U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021860819.2U CN212959737U (en) 2020-08-31 2020-08-31 Flange type ball screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021860819.2U CN212959737U (en) 2020-08-31 2020-08-31 Flange type ball screw

Publications (1)

Publication Number Publication Date
CN212959737U true CN212959737U (en) 2021-04-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021860819.2U Active CN212959737U (en) 2020-08-31 2020-08-31 Flange type ball screw

Country Status (1)

Country Link
CN (1) CN212959737U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114508570A (en) * 2022-02-28 2022-05-17 山东大学 Lubricated and cooled ball screw device and working method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114508570A (en) * 2022-02-28 2022-05-17 山东大学 Lubricated and cooled ball screw device and working method

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