CN112833153A - Screw rod protective sleeve - Google Patents
Screw rod protective sleeve Download PDFInfo
- Publication number
- CN112833153A CN112833153A CN202110171178.2A CN202110171178A CN112833153A CN 112833153 A CN112833153 A CN 112833153A CN 202110171178 A CN202110171178 A CN 202110171178A CN 112833153 A CN112833153 A CN 112833153A
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- China
- Prior art keywords
- flange
- screw rod
- expansion joint
- mounting
- mounting hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000001681 protective effect Effects 0.000 title claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 239000002657 fibrous material Substances 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000004576 sand Substances 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009528 severe injury Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention provides a screw rod protective sleeve, which belongs to the technical field of mechanical component optimization and is used for protecting a screw rod component, and the screw rod protective sleeve comprises a slider fixing mechanism and a protective sleeve body, wherein a slider is arranged on the screw rod body through a mounting block in a threaded manner, a first mounting plate is arranged on one side of the slider through a first mounting hole, a first flange and a second flange are respectively and fixedly arranged at two ends of a first expansion joint, two ends of the screw rod body are rotatably arranged on the fixed block, the first expansion joint is sleeved on the screw rod body, the first flange is arranged on the fixed block through a second mounting hole, the second flange is fixedly arranged on one side of the slider through a third mounting hole, and the screw rod protective sleeve ensures normal working performance and precision by preventing abrasion of sand dust on the screw rod body during processing and production, meanwhile, the installation is convenient, and the maintenance time is saved.
Description
Technical Field
The invention relates to the technical field of mechanical assembly optimization, in particular to a screw rod protective sleeve.
Background
The digital dieless casting compact forming machine mainly manufactures sand cores, and the sand dust is large in equipment processing. This causes severe damage to the screw, which is a critical part of the equipment of the digital dieless casting compact forming machine. Because the screw rod of the equipment lacks effective protective parts, how to invent a screw rod protective sleeve to prevent the abrasion of sand dust to the screw rod during processing and production, and can ensure normal working performance and precision, is convenient to install, is beneficial to timely mechanical overhaul, saves maintenance time, and furthest reduces the influence of a stagnant machine on a nervous production work task, thereby becoming a problem to be solved by technical personnel in the field.
Disclosure of Invention
In order to make up for the defects, the invention provides a screw rod protective sleeve, aiming at solving the problems that a screw rod of equipment lacks an effective protective part and sand dust greatly abrades the screw rod during processing and production.
The invention is realized by the following steps:
the utility model provides a lead screw protective sheath for protect lead screw subassembly, includes slider fixed establishment and protective sheath body.
The slider fixed establishment includes sleeve and first mounting panel, sleeve fixed mounting in first mounting panel, first mounting panel is provided with first mounting hole, the lead screw subassembly is provided with slider and lead screw body, slider bottom fixed mounting has the installation piece, the slider passes through installation piece screw thread install in the lead screw body, first mounting panel through first mounting hole install in one side of slider, the sleeve cup joint in the lead screw body.
The protective sleeve body comprises a first expansion joint, a first flange and a second flange, the first flange and the second flange are fixedly installed at two ends of the first expansion joint respectively, the first flange and the second flange are provided with a second installation hole and a third installation hole respectively, the lead screw assembly is provided with a fixed block, two ends of the lead screw body are rotatably installed on the fixed block, the first expansion joint is sleeved on the lead screw body, the first flange passes through the second installation hole and is installed on the fixed block, and the second flange passes through the third installation hole and is fixedly installed on one side of the sliding block.
In an embodiment of the invention, the screw rod assembly further comprises a dustproof mechanism, the dustproof mechanism comprises a second expansion joint and third flanges, the two third flanges are respectively and fixedly installed at two ends of the second expansion joint, the third flanges are provided with fourth installation holes, the screw rod assembly is provided with an installation frame, the two third flanges are respectively and fixedly installed on the inner wall of one side of the installation frame and one side of the sliding block, and the second expansion joint is in sliding connection with the side wall of the installation frame.
In one embodiment of the present invention, the first expansion joint and the second expansion joint are made of fiber materials, and the first expansion joint and the second expansion joint are provided with redundant lengths.
In an embodiment of the present invention, the dust-proof mechanism further includes a reinforcing plate, and a plurality of the reinforcing plates are fixedly installed inside the second expansion joint.
In an embodiment of the present invention, the first mounting hole, the second mounting hole, the third mounting hole and the fourth mounting hole are detachably connected by bolts.
In an embodiment of the present invention, the second mounting holes and the third mounting holes are disposed in a plurality, and the plurality of second mounting holes and the plurality of third mounting holes are disposed in an annular array along the first flange and the second flange mounting surface, respectively.
In an embodiment of the present invention, the first flange and the second flange are both provided with rubber gaskets, and the rubber gaskets are respectively and fixedly mounted on the first flange and the second flange.
In one embodiment of the invention, the first expansion joint is provided with air holes, and the air holes are arranged in an annular array at two ends of the first expansion joint.
The invention has the beneficial effects that: when the screw rod protective sleeve obtained through the design is used, the first mounting plate of the sliding block fixing mechanism is mounted on one side surface of the sliding block, the sleeve is aligned with the mounting groove of the mounting block, the sleeve and the mounting block are sleeved on the screw rod body together, the first flange of the protective sleeve body is mounted on the fixed block, the first expansion joint is sleeved on the screw rod body, the second flange is mounted on one side surface of the sliding block, at the moment, the screw rod bodies on the two sides of the sliding block are both sleeved with the first expansion joint, when the forming machine is operated, the sliding block moves along the screw rod body, the first expansion joint is compressed to one side, the first expansion joint is stretched on the other side, the screw rod body is always protected by the first expansion joint, and the screw rod protective sleeve ensures normal working performance and precision by preventing abrasion of sand dust on the screw rod body during processing and production, is convenient to mount and is beneficial, saving maintenance time and minimizing the impact of a stuck machine on a tight production job task.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic overall structure diagram provided by an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a slider fixing mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a protective sheath body according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a lead screw assembly according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a dust-proof mechanism according to an embodiment of the present invention;
fig. 6 is a schematic view illustrating an installation of the slider fixing mechanism and the slider according to the embodiment of the present invention.
In the figure: 100-a slider fixing mechanism; 110-a sleeve; 120-a first mounting plate; 121-a first mounting hole; 200-a protective sheath body; 210-a first expansion joint; 211-air holes; 220-a first flange; 221-a second mounting hole; 222-rubber gasket; 230-a second flange; 231-third mounting holes; 300-a lead screw assembly; 310-a mounting frame; 320-fixing block; 330-screw rod body; 340-a slide block; 341-mounting block; 400-a dust prevention mechanism; 410-a second expansion joint; 420-a third flange; 421-fourth mounting hole; 430-reinforcing plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Examples
Referring to fig. 1, the present invention provides a technical solution: a lead screw protective sleeve is used for protecting a lead screw assembly 300 and comprises a sliding block fixing mechanism 100 and a protective sleeve body 200.
Referring to fig. 2, 4 and 6, the sliding block fixing mechanism 100 includes a sleeve 110 and a first mounting plate 120, the sleeve 110 is fixedly mounted on the first mounting plate 120, the first mounting plate 120 is provided with a first mounting hole 121, the screw rod assembly 300 is provided with a sliding block 340 and a screw rod body 330, a mounting block 341 is fixedly mounted at the bottom of the sliding block 340, the sliding block 340 is mounted on the screw rod body 330 through the mounting block 341 by a thread, the first mounting plate 120 is mounted on one side of the sliding block 340 through the first mounting hole 121, and the sleeve 110 is sleeved on the screw rod body 330.
Referring to fig. 3 and 4, the protective sheath body 200 includes a first expansion joint 210, a first flange 220 and a second flange 230, the first flange 220 and the second flange 230 are respectively and fixedly mounted at two ends of the first expansion joint 210, the first flange 220 and the second flange 230 are respectively provided with a second mounting hole 221 and a third mounting hole 231, the lead screw assembly 300 is provided with a fixing block 320, two ends of the lead screw body 330 are rotatably mounted on the fixing block 320, the first expansion joint 210 is sleeved on the lead screw body 330, the first flange 220 is mounted on the fixing block 320 through the second mounting hole 221, and the second flange 230 is fixedly mounted on one side of the slider 340 through the third mounting hole 231.
In some embodiments, the second mounting holes 221 and the third mounting holes 231 are disposed in a plurality, and the second mounting holes 221 and the third mounting holes 231 are disposed in an annular array along the mounting surfaces of the first flange 220 and the second flange 230, respectively, and the plurality of fixing points make the mounting more secure.
In some specific embodiments, the first flange 220 and the second flange 230 are both provided with a rubber gasket 222, and the rubber gaskets 222 are respectively and fixedly mounted on the first flange 220 and the second flange 230 to protect the first flange 220 and the second flange 230, so as to avoid the influence on the use of the protective sleeve caused by the deformation of the first flange 220 and the second flange 230 due to the strong extrusion.
In some specific embodiments, the first expansion joint 210 is provided with the air holes 211, and the air holes 211 are arranged in an annular array at two ends of the first expansion joint 210, so that air in the first expansion joint 210 can be discharged in time when the first expansion joint is compressed and contracted, and the first expansion joint 210 is prevented from bursting due to overlarge pressure.
Referring to fig. 6, the dustproof mechanism 400 further includes a second expansion joint 410 and third flanges 420, the two third flanges 420 are respectively and fixedly mounted at two ends of the second expansion joint 410, the third flanges 420 are provided with fourth mounting holes 421, the screw assembly 300 is provided with a mounting frame 310, the two third flanges 420 are respectively and fixedly mounted on an inner wall of one side of the mounting frame 310 and one side of the sliding block 340, the second expansion joint 410 is slidably connected with a side wall of the mounting frame 310, so that the interior of the mounting frame 310 can be simultaneously protected from dust, and the sliding between the sliding block 340 and the mounting frame 310 is protected from being affected by the dust and sand.
In some embodiments, the first expansion joint 210 and the second expansion joint 410 are made of fiber materials, and the first expansion joint 210 and the second expansion joint 410 are provided with redundant lengths, so that the sliding block 340 can be more wear-resistant and the redundant lengths ensure the maximum stroke.
In some embodiments, the dust-proof mechanism 400 further includes a reinforcing plate 430, and a plurality of reinforcing plates 430 are fixedly installed inside the second expansion joint 410 to increase the structural strength of the second expansion joint 410.
In some specific embodiments, the first mounting hole 121, the second mounting hole 221, the third mounting hole 231 and the fourth mounting hole 421 are detachably connected by bolts, and components of all the protective sleeves can be detached and replaced in time, so that the damaged components are prevented from affecting the normal performance of the protective sleeves.
The working principle is as follows: when the sliding block fixing mechanism 100 is used, the first mounting plate 120 of the sliding block fixing mechanism 100 is mounted on one side face of the sliding block 340, the sleeve 110 is aligned with the mounting groove of the mounting block 341, the sleeve 110 and the mounting block 341 are sleeved on the lead screw body 330 together, the first flange 220 of the protective sleeve body 200 is mounted on the fixing block 320, the first expansion joint 210 is sleeved on the lead screw body 330, the second flange 230 is mounted on one side face of the sliding block 340, at the moment, the lead screw bodies 330 on the two sides of the sliding block 340 are both sleeved with the first expansion joint 210, when the forming machine is operated, the sliding block 340 moves along the lead screw body 330 to compress the first expansion joint 210 to one side, and simultaneously, the first expansion joint 210 is stretched on the other side, and the lead screw body 330 is.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A lead screw protective sleeve for protecting a lead screw assembly (300), comprising
The sliding block fixing mechanism (100) comprises a sleeve (110) and a first mounting plate (120), the sleeve (110) is fixedly mounted on the first mounting plate (120), the first mounting plate (120) is provided with a first mounting hole (121), the screw rod assembly (300) is provided with a sliding block (340) and a screw rod body (330), the bottom of the sliding block (340) is fixedly provided with a mounting block (341), the sliding block (340) is mounted on the screw rod body (330) through the mounting block (341) in a threaded manner, the first mounting plate (120) is mounted on one side of the sliding block (340) through the first mounting hole (121), and the sleeve (110) is sleeved on the screw rod body (330);
a protective sheath body (200), the protective sheath body (200) comprising a first expansion joint (210), a first flange (220), and a second flange (230), the first flange (220) and the second flange (230) are respectively and fixedly arranged at two ends of the first expansion joint (210), the first flange (220) and the second flange (230) are respectively provided with a second mounting hole (221) and a third mounting hole (231), the screw rod assembly (300) is provided with a fixed block (320), two ends of the screw rod body (330) are rotatably arranged on the fixed block (320), the first expansion joint (210) is sleeved on the screw rod body (330), the first flange (220) is installed on the fixed block (320) through the second installation hole (221), the second flange (230) is fixedly mounted on one side of the slider (340) through the third mounting hole (231).
2. The screw rod protective sleeve according to claim 1, further comprising a dustproof mechanism (400), wherein the dustproof mechanism (400) comprises a second expansion joint (410) and third flanges (420), two of the third flanges (420) are respectively and fixedly mounted at two ends of the second expansion joint (410), the third flanges (420) are provided with fourth mounting holes (421), the screw rod assembly (300) is provided with a mounting frame (310), two of the third flanges (420) are respectively and fixedly mounted at an inner wall of one side of the mounting frame (310) and one side of the sliding block (340), and the second expansion joint (410) is slidably connected with a side wall of the mounting frame (310).
3. The screw boot of claim 2, wherein the first expansion joint (210) and the second expansion joint (410) are both made of a fiber material, and the first expansion joint (210) and the second expansion joint (410) are both provided with redundant lengths.
4. The screw boot of claim 2, wherein the dust-proof mechanism (400) further comprises a plurality of reinforcing plates (430), and a plurality of the reinforcing plates (430) are fixedly mounted inside the second expansion joint (410).
5. The lead screw protective sleeve according to claim 2, wherein the first mounting hole (121), the second mounting hole (221), the third mounting hole (231) and the fourth mounting hole (421) are detachably connected by bolts.
6. The lead screw protective sleeve of claim 1, wherein a plurality of the second mounting holes (221) and the third mounting holes (231) are provided, and a plurality of the second mounting holes (221) and a plurality of the third mounting holes (231) are respectively provided along the first flange (220) and the second flange (230) mounting surface in an annular array.
7. The screw protective sleeve according to claim 1, wherein the first flange (220) and the second flange (230) are each provided with a rubber gasket (222), the rubber gaskets (222) being fixedly mounted to the first flange (220) and the second flange (230), respectively.
8. The screw boot of claim 1, wherein the first expansion joint (210) is provided with air holes (211), and the air holes (211) are arranged in an annular array at both ends of the first expansion joint (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110171178.2A CN112833153B (en) | 2021-02-08 | 2021-02-08 | Screw rod protective sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110171178.2A CN112833153B (en) | 2021-02-08 | 2021-02-08 | Screw rod protective sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112833153A true CN112833153A (en) | 2021-05-25 |
| CN112833153B CN112833153B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110171178.2A Active CN112833153B (en) | 2021-02-08 | 2021-02-08 | Screw rod protective sleeve |
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| Country | Link |
|---|---|
| CN (1) | CN112833153B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202165544U (en) * | 2011-06-30 | 2012-03-14 | 宝钢发展有限公司 | Mounting structure of screw rod protective sleeve |
| WO2017143708A1 (en) * | 2016-02-25 | 2017-08-31 | 常州市凯迪电器股份有限公司 | Three-section linear actuator and drive assembly thereof |
| CN210068872U (en) * | 2019-05-31 | 2020-02-14 | 海威昶自动化工程(苏州)有限公司 | Dustproof mechanism of lead screw |
| CN211414565U (en) * | 2020-01-09 | 2020-09-04 | 浙江今日传动科技有限公司 | Cooling and stabilizing device of ball screw |
| CN214367568U (en) * | 2021-02-08 | 2021-10-08 | 广西玉柴机器股份有限公司 | Screw rod protective sleeve |
-
2021
- 2021-02-08 CN CN202110171178.2A patent/CN112833153B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202165544U (en) * | 2011-06-30 | 2012-03-14 | 宝钢发展有限公司 | Mounting structure of screw rod protective sleeve |
| WO2017143708A1 (en) * | 2016-02-25 | 2017-08-31 | 常州市凯迪电器股份有限公司 | Three-section linear actuator and drive assembly thereof |
| CN210068872U (en) * | 2019-05-31 | 2020-02-14 | 海威昶自动化工程(苏州)有限公司 | Dustproof mechanism of lead screw |
| CN211414565U (en) * | 2020-01-09 | 2020-09-04 | 浙江今日传动科技有限公司 | Cooling and stabilizing device of ball screw |
| CN214367568U (en) * | 2021-02-08 | 2021-10-08 | 广西玉柴机器股份有限公司 | Screw rod protective sleeve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112833153B (en) | 2024-03-12 |
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