CN213511934U - Ball screw convenient to disassemble and maintain - Google Patents
Ball screw convenient to disassemble and maintain Download PDFInfo
- Publication number
- CN213511934U CN213511934U CN202022407451.0U CN202022407451U CN213511934U CN 213511934 U CN213511934 U CN 213511934U CN 202022407451 U CN202022407451 U CN 202022407451U CN 213511934 U CN213511934 U CN 213511934U
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- CN
- China
- Prior art keywords
- half nut
- groove
- nut
- ball
- connecting plate
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- Expired - Fee Related
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 28
- 230000001050 lubricating effect Effects 0.000 claims abstract description 22
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000012423 maintenance Methods 0.000 claims abstract description 9
- 239000002826 coolant Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 14
- 239000010687 lubricating oil Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 8
- 230000033001 locomotion Effects 0.000 description 5
- 239000000428 dust Substances 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a ball screw convenient for disassembly and maintenance, which comprises a screw rod, a ball nut, a ball groove and balls, wherein the ball nut comprises an upper half nut and a lower half nut which are movably connected with each other through hinges, the bottom of the upper half nut is provided with a clamping groove, the top of the lower half nut is provided with a clamping block, the clamping groove and the clamping block are fixedly connected with each other through screws, the top of the upper half nut is provided with a lubricating groove of which the top is provided with a sealing cover, an oil storage sponge block is arranged in the lubricating groove, the bottom of the lower half nut is provided with a connecting plate and a heat dissipation plate, a cooling component is arranged between the connecting plate and the lower half nut, the upper half nut and the lower half nut which are movably connected with each other through hinges are combined into a whole under the action of the clamping groove, the clamping block and the screws which are mutually matched with each other, under the action of the oil storage sponge block, under the combined action of the heat dissipation plate and the cooling assembly, the temperature of the ball nut is rapidly reduced.
Description
Technical Field
The utility model relates to a ball screw technical field especially relates to a conveniently dismantle ball screw of maintenance.
Background
The ball screw is the most commonly used transmission element on tool machinery and precision machinery, and generally comprises a screw rod, a ball nut with a connecting flange fixedly installed on the surface through welding, and a plurality of balls arranged between the ball nut and the screw rod, and has the main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, and has the characteristics of high precision, reversibility and high efficiency. Because of having very little frictional resistance, the ball screw is widely applied to various industrial equipments and precision instruments, the traditional ball nut is of an integral structure, which is inconvenient for disassembly and maintenance, and a plurality of balls are arranged in the ball nut, after the balls are used for a long time, the friction force can be increased, the noise is easy to produce, the normal operation and the service life of the screw are influenced, in addition, in the process of adding lubricating oil, the lubricating oil is inconvenient for being stored to a certain degree, and when the ball nut moves along the surface of the screw at a high speed, a large amount of heat can be generated when the balls rub with the inner wall of the ball nut and the outer wall of the screw, because the existing ball nut does not have an effective heat dissipation means, the temperature of the ball nut and the screw is easily overhigh, the phenomenon of thermal expansion and cold contraction occurs, the matching precision between the ball nut and the screw is influenced, and the, there is thus a need for improvement.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a dismouting is convenient, can carry out permanent lubrication to the ball to have good radiating effect's convenient ball screw of dismantling the maintenance.
The technical scheme of the utility model is realized like this: the utility model provides a ball screw of maintenance is conveniently dismantled, includes lead screw, movable mounting ball nut on the lead screw, the ball nut inboard is equipped with the ball groove, rolls in this ball groove and is provided with a plurality of balls, its characterized in that: the ball nut comprises an upper half nut and a lower half nut, the left side of the bottom of the upper half nut is hinged with the left side of the top of the lower half nut, the right side of the bottom of the upper half nut is upwards provided with a clamping groove extending along the length direction of the upper half nut, the right side of the top of the lower half nut is fixedly provided with a clamping block matched with the clamping groove, the clamping groove and the clamping block are fixedly connected with each other through a screw, a lubricating groove with an upward opening and extending along the length direction is fixedly arranged on the outer wall of the top of the upper half nut, the bottom of the lubricating groove is communicated with the bottom of the ball groove, a sealing cover is arranged at the opening of the lubricating groove, an oil storage sponge block is arranged in the lubricating groove, the bottom of the lower half nut is provided with a connecting plate, the bottom of the connecting plate is provided with a plurality of heat dissipation plates at equal intervals along the transverse direction, and a cooling assembly for accelerating the cooling of the lower half nut is arranged between the top surface of the connecting plate and the bottom of the lower half nut.
By adopting the technical scheme, in daily use, when the ball nut needs to be disassembled, an operator detaches the screw from the position between the clamping groove and the clamping block, the clamping groove and the clamping block lose the fixation of the screw, then the lower half nut and the upper half nut can rotate around the mutual hinged position to open the position between the upper half nut and the lower half nut, at the moment, the operator can detach the upper half nut and the lower half nut from the screw rod, when the installation is needed, the upper half nut and the lower half nut are respectively moved to the upper part and the lower part of the screw rod, the upper half nut and the lower half nut rotate around the mutual hinged position until the upper half nut and the lower half nut are folded, the clamping block and the clamping groove are mutually fixed through the screw, the mode is convenient for the operator to detach the ball nut formed by combining the upper half nut and the lower half nut for maintenance, when the upper half nut and the lower half nut move along the length direction of the screw rod, the lubricating oil stored in the oil storage sponge block is smeared on the surface of the ball when the ball rolls from the area communicated with the ball groove and the bottom of the lubricating groove through the oil storage sponge block arranged in the lubricating groove, so as to achieve the function of lubricating the ball, the lubricating oil can be stored in the lubricating groove through the oil storage sponge block, the ball can be lubricated for a long time, an operator can open the sealing cover to inject the lubricating oil into the oil storage sponge block when the lubricating oil in the oil storage sponge block is insufficient, the heat generated when the ball rolls in the ball groove is transferred into the connecting plate through the lower half nut, the heat is dissipated into the air through the heat dissipation plate arranged at the bottom of the connecting plate, the heat dissipation speed is increased by increasing the contact area between the lower half nut and the air, and the phenomenon that the movement precision of the upper half nut and the lower half nut on the screw rod is reduced due to overhigh temperature is avoided, the cooling subassembly of setting between connecting plate top surface and half nut can further improve the radiating rate of half nut down, makes the high temperature further reduce first nut and the influence of half nut down, compares with prior art, the utility model provides high practicality and the work precision of product.
The utility model discloses further set up to: the cooling subassembly is including setting up the coolant liquid pipe between half nut bottom and connecting plate top surface down, the coolant liquid pipe is the U-shaped setting and its both ends all extend towards the direction of keeping away from half nut down.
Through adopting above-mentioned technical scheme, in daily use, the coolant liquid gets into from the one end of coolant liquid pipe, leaves the coolant liquid pipe from the other end, and the heat is transmitted the coolant liquid pipe through the bottom of half nut down in, is absorbed by the coolant liquid of the coolant liquid pipe of constantly flowing through, through such mode, makes the temperature reduction in the half nut down, avoids high temperature to half nut and the phenomenon that half nut moves the precision and descends on the lead screw down to take place.
The utility model discloses further set up to: half nut bottom down is provided with the opening down and with the mounting groove of connecting plate looks adaptation, connecting plate demountable installation is in the mounting groove.
Through adopting above-mentioned technical scheme, in daily use, through with connecting plate demountable installation in the mounting groove, make operating personnel can follow the mounting groove with the connecting plate after a certain amount of dust has been accumulated on the radiating plate surface, wash the heating panel that sets up in the connecting plate bottom, avoid piling up on the heating panel surface because of the dust, and the phenomenon that leads to the radiating effect of heating panel to descend takes place.
The utility model discloses further set up to: each heat dissipation plate is provided with a plurality of heat dissipation grooves which are arranged at intervals at equal intervals.
By adopting the technical scheme, in daily use, the contact area between the heat dissipation plates and air can be increased by the plurality of heat dissipation grooves formed in each heat dissipation plate, air can flow between the heat dissipation plates, and the flowability of the air between the heat dissipation plates is improved, so that the heat dissipation effect of the heat dissipation plates is improved.
The utility model discloses further set up to: and a sealing gasket is arranged between the bottom of the upper half nut and the top of the lower half nut.
Through adopting above-mentioned technical scheme, in daily use, the sealed pad that sets up between half nut bottom and half nut down can improve the compactness of being connected when half nut and half nut fold, prevent that lubricating oil from leaking in the gap between half nut and the half nut down, and can play the effect of buffering shock attenuation, avoid half nut and half nut down when moving along lead screw length direction, bump each other, and lead to the connection between half nut and the half nut to take place to become flexible, the phenomenon that finally makes half nut and half nut on the lead screw removal precision descend takes place.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic sectional view taken along the direction a-a in fig. 1.
The labels in the figures are:
1-screw rod, 2-ball groove, 3-ball, 4-upper half nut, 5-lower half nut, 6-clamping groove, 7-clamping block, 8-lubricating groove, 9-sealing cover, 10-oil storage sponge block, 11-connecting plate, 12-heat-radiating plate, 13-cooling liquid pipe, 14-mounting groove, 15-heat-radiating groove and 16-sealing gasket.
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 efforts belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model discloses a conveniently dismantle ball screw of maintenance, including lead screw 1, movable mounting ball nut on lead screw 1, the ball nut inboard is equipped with ball groove 2, rolls in this ball groove 2 and is provided with a plurality of balls 3 in the embodiment of the utility model provides an in: the ball nut comprises an upper half nut 4 and a lower half nut 5, the left side of the bottom of the upper half nut 4 is hinged with the left side of the top of the lower half nut 5, a clamping groove 6 extending along the length direction is upwards formed in the right side of the bottom of the upper half nut 4, a clamping block 7 matched with the clamping groove 6 is fixedly mounted on the right side of the top of the lower half nut 5, the clamping groove 6 and the clamping block 7 are fixedly connected with each other through screws, a lubricating groove 8 with an upward opening and extending along the length direction is fixedly mounted on the outer wall of the top of the upper half nut 4, the groove bottom of the lubricating groove 8 is communicated with the groove bottom of the ball groove 2, a sealing cover 9 is mounted at the opening of the lubricating groove 8, an oil storage sponge block 10 is mounted in the lubricating groove 8, a connecting plate 11 is arranged at the bottom of the lower half nut 5, and a plurality of heat dissipation plates, and a cooling component for accelerating the cooling of the lower half nut 5 is arranged between the top surface of the connecting plate 11 and the bottom of the lower half nut 5.
By adopting the technical scheme, in daily use, when the ball nut needs to be disassembled, an operator detaches the screw from the clamping groove 6 and the clamping block 7, the clamping groove 6 and the clamping block 7 lose the fixation of the screw, the lower half nut 5 and the upper half nut 4 can rotate around the mutual hinged part, the upper half nut 4 and the lower half nut 5 are opened, the operator can detach the upper half nut 4 and the lower half nut 5 from the screw rod 1, when the ball nut needs to be installed, the upper half nut 4 and the lower half nut 5 are respectively moved to the upper part and the lower part of the screw rod 1, the upper half nut 4 and the lower half nut 5 rotate around the mutual hinged part until the upper half nut 4 and the lower half nut 5 are folded, the clamping block 7 and the clamping groove 6 are mutually fixed through the screw, the mode is convenient for the operator to detach the ball nut formed by combining the upper half nut 4 and the lower half nut 5 for maintenance, when the upper half nut 4 and the lower half nut 5 move along the length direction of the screw rod 1, the ball 3 rolls from the region communicated with the ball groove 2 and the bottom of the lubricating groove 8 through the oil storage sponge block 10 arranged in the lubricating groove 8, and contacts with the bottom of the oil storage sponge block 10, so that the lubricating oil stored in the oil storage sponge block 10 is smeared on the surface of the ball 3, thereby achieving the effect of lubricating the ball 3, the lubricating oil can be stored in the lubricating groove 8 through the oil storage sponge block 10, the ball 3 can be lubricated for a long time, an operator can open the sealing cover 9 to inject the lubricating oil into the oil storage sponge block 10 when the lubricating oil in the oil storage sponge block 10 is insufficient, the heat generated when the ball 3 rolls in the ball groove 2 is transferred into the connecting plate 11 through the lower half nut 5, the heat is dissipated into the air through the heat dissipation plate 12 arranged at the bottom of the connecting plate 11, and the contact area between the lower half nut 5 and the air is increased, improve the speed that the heat gived off, avoid leading to the phenomenon that the motion precision of the first nut 4 of operation and the second nut 5 on lead screw 1 descends to take place because of the high temperature, the cooling subassembly of setting between 11 top surfaces of connecting plate and the second nut 5 can further improve the radiating rate of the second nut 5, makes the high temperature further reduce the influence of first nut 4 and second nut 5, compares with prior art, the utility model provides high practicality and the work precision of product.
In the embodiment of the present invention: the cooling subassembly is including setting up the coolant liquid pipe 13 between half nut 5 bottom and connecting plate 11 top surface down, coolant liquid pipe 13 is the setting of U-shaped and its both ends all extend towards the direction of keeping away from half nut 5 down.
Through adopting above-mentioned technical scheme, in daily use, the coolant liquid gets into from the one end of coolant liquid pipe 13, leaves coolant liquid pipe 13 from the other end, and the heat passes through the bottom of half nut 5 down and transmits to coolant liquid pipe 13 in, is absorbed by the coolant liquid that constantly flows through coolant liquid pipe 13, through such a mode, makes the temperature in half nut 5 reduce, avoids high temperature to the phenomenon emergence of half nut 4 and the motion precision decline of half nut 5 on lead screw 1.
In the embodiment of the present invention: the bottom of the lower half nut 5 is provided with a mounting groove 14 with an opening facing downwards and matched with the connecting plate 11, and the connecting plate 11 is detachably mounted in the mounting groove 14.
Through adopting above-mentioned technical scheme, in daily use, through with connecting plate 11 demountable installation in mounting groove 14, make operating personnel can be after a certain amount of dust has been accumulated on heating panel 12 surface, pull down connecting plate 11 from mounting groove 14, wash the heating panel 12 that sets up in connecting plate 11 bottom, avoid piling up on heating panel 12 surface because of the dust, and the phenomenon that leads to heating panel 12's radiating effect to descend takes place.
In the embodiment of the present invention: each heat dissipation plate 12 is provided with a plurality of heat dissipation grooves 15 arranged at equal intervals.
By adopting the above technical scheme, in daily use, the plurality of heat dissipation grooves 15 arranged on each heat dissipation plate 12 can increase the contact area between the heat dissipation plates 12 and air, and the air can flow between the heat dissipation plates 12, thereby increasing the fluidity of the air between the heat dissipation plates 12 and improving the heat dissipation effect of the heat dissipation plates 12.
In the embodiment of the present invention: and a sealing gasket 16 is arranged between the bottom of the upper half nut 4 and the top of the lower half nut 5.
Through adopting above-mentioned technical scheme, in daily use, the sealed 16 that sets up between half nut 4 bottom and half nut 5 can improve the compactness of being connected when half nut 4 folds with half nut 5 down, prevent that lubricating oil from leaking in the gap between half nut 4 and half nut 5 down, and can play the effect of buffering shock attenuation, avoid half nut 4 and half nut 5 down when moving along lead screw 1 length direction, bump each other, and lead to the connection between half nut 4 and the half nut 5 to take place to become flexible, the phenomenon that finally makes half nut 4 and half nut 5 move the decline of precision on lead screw 1 takes place.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a ball screw of maintenance is conveniently dismantled, includes lead screw (1), the ball nut of movable mounting on lead screw (1), the ball nut inboard is equipped with ball groove (2), rolls in this ball groove (2) and is provided with a plurality of balls (3), its characterized in that: the ball nut comprises an upper half nut (4) and a lower half nut (5), the left side of the bottom of the upper half nut (4) is hinged with the left side of the top of the lower half nut (5), a clamping groove (6) extending along the length direction is upwards formed in the right side of the bottom of the upper half nut (4), a clamping block (7) matched with the clamping groove (6) is fixedly installed on the right side of the top of the lower half nut (5), the clamping groove (6) and the clamping block (7) are fixedly connected with each other through screws, a lubricating groove (8) with an upward opening and extending along the length direction is fixedly installed on the outer wall of the top of the upper half nut (4), the groove bottom of the lubricating groove (8) is communicated with the groove bottom of the ball groove (2), a sealing cover (9) is installed at the opening of the lubricating groove (8), an oil storage sponge block (10) is installed in the lubricating groove (8), and a connecting plate (11) is arranged at the bottom of, the bottom of connecting plate (11) is provided with a plurality of heating panels (12) along transversely equidistance interval each other, be provided with the cooling subassembly that is used for half nut (5) cooling down under with higher speed between connecting plate (11) top surface and half nut (5) bottom down.
2. The ball screw convenient to disassemble and maintain as claimed in claim 1, wherein: the cooling subassembly is including setting up coolant liquid pipe (13) between half nut (5) bottom and connecting plate (11) top surface down, coolant liquid pipe (13) are the U-shaped setting and its both ends all extend towards the direction of keeping away from half nut (5) down.
3. The ball screw convenient to disassemble and maintain as claimed in claim 2, wherein: half nut (5) bottom down is provided with opening down and with mounting groove (14) of connecting plate (11) looks adaptation, connecting plate (11) demountable installation is in mounting groove (14).
4. The ball screw convenient to disassemble and maintain as claimed in claim 3, wherein: each heat dissipation plate (12) is provided with a plurality of heat dissipation grooves (15) which are arranged at equal intervals.
5. The ball screw convenient to disassemble and maintain as claimed in claim 4, wherein: and a sealing gasket (16) is arranged between the bottom of the upper half nut (4) and the top of the lower half nut (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407451.0U CN213511934U (en) | 2020-10-26 | 2020-10-26 | Ball screw convenient to disassemble and maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022407451.0U CN213511934U (en) | 2020-10-26 | 2020-10-26 | Ball screw convenient to disassemble and maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213511934U true CN213511934U (en) | 2021-06-22 |
Family
ID=76411282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022407451.0U Expired - Fee Related CN213511934U (en) | 2020-10-26 | 2020-10-26 | Ball screw convenient to disassemble and maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213511934U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165526A (en) * | 2021-12-15 | 2022-03-11 | 响水县海源紧定衬套制造有限公司 | Two-way bearing adapter sleeve convenient to dismantle |
| CN115750711A (en) * | 2022-11-28 | 2023-03-07 | 东莞市科士威传动科技有限公司 | High-precision ball nut and manufacturing process thereof |
-
2020
- 2020-10-26 CN CN202022407451.0U patent/CN213511934U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114165526A (en) * | 2021-12-15 | 2022-03-11 | 响水县海源紧定衬套制造有限公司 | Two-way bearing adapter sleeve convenient to dismantle |
| CN115750711A (en) * | 2022-11-28 | 2023-03-07 | 东莞市科士威传动科技有限公司 | High-precision ball nut and manufacturing process thereof |
| CN115750711B (en) * | 2022-11-28 | 2023-05-30 | 东莞市科士威传动科技有限公司 | High-precision ball nut and manufacturing process thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210622 |