CN114060488A - Lead screw mounting structure capable of adapting to thermal deformation of lead screw - Google Patents
Lead screw mounting structure capable of adapting to thermal deformation of lead screw Download PDFInfo
- Publication number
- CN114060488A CN114060488A CN202111567181.2A CN202111567181A CN114060488A CN 114060488 A CN114060488 A CN 114060488A CN 202111567181 A CN202111567181 A CN 202111567181A CN 114060488 A CN114060488 A CN 114060488A
- Authority
- CN
- China
- Prior art keywords
- lead screw
- screw
- fixing frame
- screw rod
- thermal deformation
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 claims description 11
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000005452 bending Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000008602 contraction Effects 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 description 9
- 239000010687 lubricating oil Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000004579 marble Substances 0.000 description 4
- 239000004575 stone Substances 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process 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
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/02—Sliding-contact bearings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/06—Means for converting reciprocating motion into rotary motion or vice versa
-
- 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
- F16H2025/2062—Arrangements for driving the actuator
- F16H2025/2075—Coaxial drive motors
-
- 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
- F16H2025/2445—Supports or other means for compensating misalignment or offset between screw and nut
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a lead screw mounting structure capable of adapting to thermal deformation of a lead screw, which belongs to the field of lead screw mounting and comprises a lead screw made of steel and a lead screw fixing frame, wherein the lead screw fixing frame comprises a middle frame body and two mounting seats, the two mounting seats are fixed at the two ends of the middle frame body, the lead screw is positioned between the two mounting seats, the two ends of the lead screw are respectively rotatably mounted on the mounting seats at the two sides, the lead screw and the lead screw fixing frame are simultaneously expanded or contracted by heating, a rigid connecting piece is arranged between the lead screw fixing frame and a lathe bed to fix the lead screw fixing frame and the lathe bed together, one side or two sides of the lead screw fixing frame can expand, extend or contract along the length direction of the lead screw, the lathe bed of the lead screw fixing frame can not limit the expansion, the extension or contraction of the lead screw fixing frame in the length direction of the lead screw, the lead screw fixing frame can adapt to the thermal deformation of the lead screw, the normal use of the lead screw is avoided being influenced, and the lead screw fixing frame can provide rigid support for the two ends of the lead screw, avoid the thermal deformation bending of lead screw.
Description
Technical Field
The invention relates to the field of screw rod installation, in particular to a screw rod installation structure capable of adapting to thermal deformation of a screw rod.
Background
The lathe is one of the devices widely used in the field of production and processing, and is mainly used for cutting and processing the inner and outer cylindrical surfaces, the inner and outer conical surfaces with any taper angle, the complex rotary inner and outer curved surfaces, the cylindrical threads, the conical threads and the like of shaft parts or disc parts, and can perform hole turning, grooving, reaming, boring and the like.
The lathe body of the lathe is provided with a guide rail for controlling movement, the guide rail is arranged on the lathe body of the lathe in a sliding manner, the guide rail is driven by a screw nut transmission mechanism to slide on the lathe body, the existing lathe body and the guide rail are generally made of metal materials, a screw rod of the screw nut transmission mechanism is rotatably arranged on two mounting blocks on the lathe body, the problem of thermal deformation of the metal materials is considered, the sliding precision and flexibility of the guide rail are avoided, and the lathe body is made of materials with low thermal conductivity and low thermal expansion coefficient, such as stone materials or carbon fiber materials or glass fiber materials.
For example, the patent discloses a CD grain machine tool with a marble structure with publication number CN209094968U, which comprises a machine body and a beam, wherein the machine body and the beam are both made of marble, a transverse slide rail is arranged on the beam, a transverse slide block and a transverse slide rail are arranged on the transverse slide rail and are in sliding connection, a transverse screw rod is rotatably arranged between the transverse slide rails, the transverse screw rod is in threaded connection with a transverse threaded seat on the transverse slide block, and the end part of the transverse screw rod is fixedly connected with the output end of a transverse motor.
However, the screw rod is made of metal, the lathe bed for fixing the screw rod is made of marble, the difference between the thermal expansion coefficients of the lathe bed and the screw rod is large, lubricating oil needs to be added to the surface of the screw rod when the screw rod is used, temperature fluctuation can occur to the lubricating oil in the using process of the screw rod, and when the difference between the thermal expansion coefficients of the lathe bed and the screw rod is large, the lathe bed cannot expand or contract with the screw rod by heating or cooling at the same time, and thermal expansion deformation and bending of the screw rod can be caused to influence the use of the screw rod.
Disclosure of Invention
The invention aims to solve the technical problem of providing a screw rod mounting structure capable of adapting to thermal deformation of a screw rod.
The technical scheme of the invention is as follows: the screw rod mounting structure capable of adapting to thermal deformation of the screw rod is arranged on a lathe bed made of nonmetal hard materials and is characterized by comprising the screw rod made of steel and a screw rod fixing frame, wherein the screw rod fixing frame comprises a middle frame body and two mounting seats, the two mounting seats are fixed at the two ends of the middle frame body, the screw rod is positioned between the two mounting seats, the two ends of the screw rod are respectively and rotatably arranged on the mounting seats at the two sides,
the screw rod and the screw rod fixing frame are simultaneously expanded by heating or contracted by cooling, a rigid connecting piece is arranged between the screw rod fixing frame and the lathe bed to fix the screw rod fixing frame and the lathe bed together, and one side or two sides of the screw rod fixing frame can expand, extend or contract along the length direction of the screw rod.
The further optimization scheme of the invention is as follows: one side or two sides of the screw rod fixing frame are provided with sliding long grooves, the length direction of each sliding long groove is parallel to the length direction of the screw rod, the lathe bed is provided with positioning pieces corresponding to the sliding long grooves, the positioning pieces are inserted into the sliding long grooves and can slide relative to the sliding long grooves, supporting parts are arranged on the positioning pieces, elastic pieces are arranged between the supporting parts and the screw rod fixing frame, and one side or two sides of the screw rod fixing frame are pressed on the lathe bed by the elastic pieces.
The further optimization scheme of the invention is as follows: the screw rod and the screw rod fixing frame are made of the same steel material.
The further optimization scheme of the invention is as follows: the screw rod and the screw rod fixing frame are connected into an independent whole, and the screw rod fixing frame is detachably connected to the bed body.
The further optimization scheme of the invention is as follows: bearing mounting holes are formed in the two mounting seats, bearings are mounted in the bearing mounting holes of the two mounting seats, and two ends of the screw rod are inserted into the bearings of the mounting seats on the two sides respectively.
The further optimization scheme of the invention is as follows: the lead screw fixing frame is provided with a socket for inserting a nut to be in threaded connection with the lead screw.
The further optimization scheme of the invention is as follows: the middle frame body comprises a lower bottom, a left flange and a right flange, the lower bottom, the two flanges and the two mounting seats are enclosed to form a cavity with an upward opening, and the screw rod is located in the cavity.
The further optimization scheme of the invention is as follows: the section of the middle frame body is U-shaped.
The further optimization scheme of the invention is as follows: the rigid connecting piece is arranged on the side wall of the lead screw fixing frame and comprises a convex part and a screw, wherein the convex part and the screw are convexly arranged on the side wall of the lead screw fixing frame, a screw hole for the screw to pass through is formed in the convex part, and the screw passes through the screw hole and is connected with the lathe bed.
The further optimization scheme of the invention is as follows: one end of the screw rod penetrates through the mounting seat and is used for being connected with a rotary driving mechanism.
Compared with the prior art, the invention has the advantages that the lead screw and the lead screw fixing frame are made of steel, because the difference of the thermal expansion coefficients of the lead screw and the lead screw fixing frame is small, when the temperature of lubricating oil on the lead screw fluctuates, the lead screw and the lead screw fixing frame can be expanded by heat or contracted by cooling at the same time, and because the rigid connecting piece is arranged between the lead screw fixing frame and the lathe bed to fix the lead screw fixing frame and the lathe bed together, one side or two sides of the lead screw fixing frame can be expanded, extended or contracted along the length direction of the lead screw, the lathe bed can not limit the expansion, extension or contraction of the lead screw fixing frame in the length direction of the lead screw, so that the lead screw fixing frame can adapt to the thermal deformation of the lead screw, the normal use of the lead screw is avoided being influenced, and the lead screw fixing frame can provide rigid support for two ends of the lead screw, and the thermal deformation and bending of the lead screw is avoided.
Drawings
The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the background art and explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.
FIG. 1 is a first overall view of the workbench.
Fig. 2 is a second overall structure diagram of the workbench.
Fig. 3 is a partial structural schematic diagram of the workbench.
Fig. 4 is a schematic diagram of a connection plate structure.
FIG. 5 is a first structural diagram of the present invention.
FIG. 6 is a second structural diagram of the present invention.
Fig. 7 is an exploded view of the present invention.
FIG. 8 is a cut-away view of the table structure.
In the figure: 1. a work table; 2. a drive motor; 3. a coupling; 4. a connecting plate; 5. a slide rail; 6. a bed body; 7. a lead screw fixing frame; 8. a screw rod; 9. a slider; 10. a connecting portion; 11. a chute; 12. a nut; 13. a splint; 14. a middle frame body; 15. a socket; 16. a convex portion; 17. a mounting seat; 18. a bearing; 19. a bearing mounting hole; 20. a screw; 21. a sliding long groove; 22. a positioning member; 23. an elastic member; 24. a connecting seat; 25. a lower bottom; 26. blocking edges; 27. a cavity; 28. and (4) screw holes.
Detailed Description
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Those skilled in the art will appreciate that the description is illustrative only, and is not to be construed as limiting the scope of the invention.
It should be noted that: like reference numerals refer to like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements that are referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Fig. 1 to 8 show a lead screw mounting structure capable of adapting to thermal deformation of a lead screw, which is provided on a lathe bed 6 made of a non-metal hard material.
Preferably, the bed body 6 is made of a stone material or a carbon fiber material or a glass fiber reinforced plastic material, the stone material comprises a marble material or a granite material, the bed body 6 can also be made of a ceramic material, and the bed body 6 has the characteristics of low thermal expansion coefficient and low thermal conductivity coefficient.
As shown in fig. 1 to 3, the bed 6 is fixedly connected to the table 1, and preferably, the bed 6 is fixed to the table 1 by screws.
Two slide rails 5 which are arranged left and right are fixed on the bed body 6, slide blocks 9 are arranged on the two slide rails 5 in a sliding manner, and the two slide blocks 9 are connected with the same connecting plate 4. The two slide rails 5 can be made of the same material as the lathe bed 6.
As shown in fig. 3, specifically, sliding grooves 11 are provided on both sides of the two sliding rails 5, L-shaped connecting portions 10 matched with the sliding grooves 11 are provided on both sides of the slider 9, the connecting portions 10 on both sides of the slider 9 are respectively inserted into the sliding grooves 11 on both sides of the sliding rails 5 to slide, and the connecting portions 10 are matched with the sliding grooves 11 to limit the slider 9 on the sliding rails 5 to slide along the sliding rails 5.
As shown in fig. 4, a nut seat is arranged at the bottom of the middle of the connecting plate 4, and a nut 12 is connected to the nut seat.
As shown in fig. 5-7, the above-mentioned screw rod mounting structure capable of adapting to thermal deformation of the screw rod includes a screw rod 8 and a screw rod fixing frame 7, the screw rod 8 and the screw rod fixing frame 7 are both made of steel, so that the difference between the thermal expansion coefficients of the screw rod 8 and the screw rod fixing frame 7 is small, and preferably, the screw rod 8 and the screw rod fixing frame 7 are made of the same steel, so that the thermal expansion coefficients of the screw rod 8 and the screw rod fixing frame 7 are substantially the same.
The lead screw fixing frame 7 is located between the two sliding rails 5, the lead screw fixing frame 7 comprises a middle frame body 14 and two installation seats 17, the two installation seats 17 are fixed at two ends of the middle frame body 14, the lead screw 8 is located between the two installation seats 17, and two ends of the lead screw 8 are respectively rotatably installed on the installation seats 17 at two sides.
Preferably, the two mounting seats 17 are connected to both ends of the middle frame 14 by screws.
Because the thermal expansion coefficients of the screw 8 and the screw fixing frame 7 are basically kept consistent, when the temperature of the lubricating oil on the screw 8 fluctuates, the screw 8 and the screw fixing frame 7 expand by heating or contract by cooling at the same time.
In addition, a rigid connecting piece is arranged between the screw rod fixing frame 7 and the lathe bed 6 to fix the screw rod fixing frame 7 and the lathe bed 6 together, the part of the screw rod fixing frame 7 and the lathe bed 6 fixedly connected through the rigid connecting piece can be seen as a point, the point can be arranged on one side end part of the screw rod fixing frame 7, the point can also be arranged on the middle part of the screw rod fixing frame 7, when the fixedly connected part is arranged on one side end part of the screw rod fixing frame 7, the other side end part of the screw rod fixing frame 7 can expand and extend or contract along the length direction of the screw rod 8, when the fixedly connected part is arranged on the middle part of the screw rod fixing frame 7, the end parts on both sides of the screw rod fixing frame 7 can expand and extend or contract along the length direction of the screw rod 8, the lathe bed 6 can not limit the expansion and extension or contraction of the screw rod fixing frame 7 in the length direction of the screw rod 8, so that the screw rod fixing frame 7 can adapt to the thermal deformation of the screw rod 8, avoid influencing the normal use of lead screw 8 to lead screw mount 7 can provide the rigidity for the both ends of lead screw 8 and support, avoids lead screw 8 heat altered shape bending.
Preferably, the rigid connecting piece is arranged on the side wall of the lead screw fixing frame 7 and comprises a convex part 16 and a screw 20 which are convexly arranged on the side wall of the lead screw fixing frame 7, the convex part 16 is provided with a screw hole 28 for the screw 20 to pass through, the screw 20 passes through the screw hole 28 and is connected with the lathe bed 6, and the screw 20 fixes the lead screw fixing frame 7 and the lathe bed 6 together. Or the screw 20 is used as a rigid connecting piece to penetrate through the lead screw fixing frame 7 to be connected with the lathe bed 6, and the screw 20 directly fixes the lead screw fixing frame 7 on the lathe bed 6.
The projection 16 can be fixed to the side wall of the lead screw holder 7 by screws.
Because the screw rod fixing frame 7 is fixedly connected with the lathe bed 6 through a rigid connecting piece, and one side or two sides of the screw rod fixing frame 7 can expand, extend or contract along the length direction of the screw rod 8, in order to ensure the stability of the screw rod fixing frame 7, one side or two sides of the screw rod fixing frame 7 are provided with sliding long grooves 21, the sliding long grooves 21 are arranged on one side or two sides of the screw rod fixing frame 7 which can expand, extend or contract along the length direction of the screw rod 8, the length direction of the sliding long grooves 21 is parallel to the length direction of the screw rod 8, the lathe bed 6 is provided with positioning pieces 22 corresponding to the sliding long grooves 21, the positioning pieces 22 are inserted into the sliding long grooves 21 and can slide relative to the sliding long grooves 21, the positioning pieces 22 are provided with supporting parts, elastic pieces 23 are arranged between the supporting parts and the screw rod fixing frame 7, and the elastic pieces 23 press one side or two sides of the screw rod fixing frame 7 which can expand, extend or contract on the lathe bed 6, effectively prevent the lead screw fixing frame 7 from shaking or deviating when in use.
In addition, the positioning member 22 also plays a guiding role, the positioning member 22 is matched with the sliding long groove 21 to enable one side or two sides of the screw rod fixing frame 7 to expand and extend or contract along the length direction of the screw rod 8, and the width of the positioning member 22 is equal to the width of the sliding long groove 21.
Preferably, a connecting seat 24 is fixed on the side wall of the lead screw fixing frame 7, and the sliding long groove 21 is arranged on the connecting seat 24. The connecting seat 24 can be fixedly connected to the side wall of the lead screw fixing frame 7 through screws.
Preferably, the positioning element 22 is a positioning bolt inserted in the sliding elongated slot 21 to be in threaded connection with the bed, the elastic element 23 is a support spring, the support spring is sleeved on a screw rod of the positioning bolt, one end of the support spring is supported on the head of the positioning bolt, the other end of the support spring is supported on the lead screw fixing frame 7, the elastic supporting force of the support spring acts on the lead screw fixing frame 7, and the support spring presses the lead screw fixing frame 7 on the bed 6.
According to the connecting structure of the lead screw fixing frame 7 and the lathe bed 6, the convex parts 16 and the connecting seats 24 on the lead screw fixing frame 7 are arranged, for example, the symmetrical convex parts 16 are arranged on the side walls on the two sides of the lead screw fixing frame 7, the convex parts 16 on the two side walls are arranged on the end part of the rear end of the lead screw fixing frame 7, the two connecting seats 24 are arranged on the end part of the front end of the lead screw fixing frame 7, the two connecting seats 24 are respectively and symmetrically arranged on the side walls on the two sides of the front end of the lead screw fixing frame 7, and the end part of the front end of the lead screw fixing frame 7 can expand, extend or contract along the length direction of the lead screw 8.
The lead screw 8 and the lead screw fixing frame 7 are connected into an independent whole, the lead screw fixing frame 7 is detachably connected to the lathe bed 6, during installation, the independent whole formed by connecting the lead screw 8 and the lead screw fixing frame 7 can be directly connected to the lathe bed 6, and assembly is more convenient and quicker.
The lead screw fixing frame 7 is provided with a socket 15, a nut 12 fixed on a nut seat is inserted into the lead screw fixing frame 7 from the socket 15, the nut 12 is sleeved on the lead screw 8 and is in threaded connection with the lead screw 8, when the lead screw 8 rotates, the nut 12 drives the connecting plate 4 and the two sliding blocks 9 to move together, and the socket 15 is provided with a space for the nut seat and the nut 12 to move linearly.
Preferably, the nut seat is two clamping plates 13, the two clamping plates 13 are fixed in the middle of the bottom of the connecting plate 4, a space for inserting the nut 12 is formed between the two clamping plates 13, when the nut seat is installed, the nut 12 can be sleeved on the screw rod 8 in advance, then the screw rod 8 and the screw rod fixing frame 7 are connected to form an independent whole body which is assembled on the lathe bed 6, the connecting plate 4 is placed on the two sliding blocks 9, the two clamping plates 13 at the bottom of the connecting plate 4 are inserted into two sides of the nut 12, the nut 12 is fixed on the two clamping plates 13 through screws, and finally the connecting plate 4 and the two sliding blocks 9 are fixed to complete installation.
As shown in fig. 7 and 8, in addition, the middle frame 14 includes a lower base 25 and two left and right flanges 26, the lower base 25, the two flanges 26 and the two mounting seats 17 enclose to form a cavity 27 with an upward opening, the lead screw 8 is located in the cavity 27, the upper opening of the cavity 27 is used as the above-mentioned socket 15, the above-mentioned nut seat and the nut 12 extend into the cavity 27 from the upper opening of the cavity 27 to be connected with the lead screw 8, and the cavity 27 can be used for carrying lubricating oil dripping from the lead screw 8 and preventing the lubricating oil from flowing to the bed body 6. Preferably, the cross-sectional shape of the middle frame 14 is "U" shaped.
One end of the screw rod 8 penetrates through the mounting seat 17 to be connected with a rotary driving mechanism, the rotary driving mechanism comprises a driving motor 2, the end part of the screw rod 8 is connected with a motor shaft of the driving motor 2, preferably, the end part of the screw rod 8 is connected with the motor shaft of the driving motor 2 through a coupler 3, and when the driving motor 2 is started, the driving motor 2 drives the screw rod 8 to rotate.
The driving motor 2 is fixed on the working table 1.
The screw rod mounting structure capable of adapting to the thermal deformation of the screw rod provided by the invention is described in detail, a specific example is applied in the description to explain the principle and the implementation mode of the invention, and the description of the embodiment is only used for helping to understand the invention and the core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111567181.2A CN114060488A (en) | 2021-12-20 | 2021-12-20 | Lead screw mounting structure capable of adapting to thermal deformation of lead screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111567181.2A CN114060488A (en) | 2021-12-20 | 2021-12-20 | Lead screw mounting structure capable of adapting to thermal deformation of lead screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114060488A true CN114060488A (en) | 2022-02-18 |
Family
ID=80229999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111567181.2A Pending CN114060488A (en) | 2021-12-20 | 2021-12-20 | Lead screw mounting structure capable of adapting to thermal deformation of lead screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114060488A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118882581A (en) * | 2024-09-29 | 2024-11-01 | 鑫筑电力科技集团(贵州)有限公司 | Cement pole intelligent detection device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0871881A (en) * | 1994-08-31 | 1996-03-19 | Murata Mach Ltd | Feed mechanism including ball screw |
| JPH11114761A (en) * | 1997-10-15 | 1999-04-27 | Okuma Corp | Method and device for positioning table |
| CN203442065U (en) * | 2013-09-03 | 2014-02-19 | 常州机电职业技术学院 | High-rigidity fixed bearing traction mechanism for ball screw |
| US20180091017A1 (en) * | 2016-09-29 | 2018-03-29 | KappaSense Ltd. | Temperature compensated linear actuator and encoder |
| CN209976213U (en) * | 2019-03-13 | 2020-01-21 | 朱亮 | An access control magnetic lock anti-fall device |
| CN111577851A (en) * | 2020-06-01 | 2020-08-25 | 珠海格力智能装备有限公司 | Screw drive mechanism |
| CN216923089U (en) * | 2021-12-20 | 2022-07-08 | 浙江亚微精密机床有限公司 | Lead screw mounting structure capable of adapting to thermal deformation of lead screw |
-
2021
- 2021-12-20 CN CN202111567181.2A patent/CN114060488A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0871881A (en) * | 1994-08-31 | 1996-03-19 | Murata Mach Ltd | Feed mechanism including ball screw |
| JPH11114761A (en) * | 1997-10-15 | 1999-04-27 | Okuma Corp | Method and device for positioning table |
| CN203442065U (en) * | 2013-09-03 | 2014-02-19 | 常州机电职业技术学院 | High-rigidity fixed bearing traction mechanism for ball screw |
| US20180091017A1 (en) * | 2016-09-29 | 2018-03-29 | KappaSense Ltd. | Temperature compensated linear actuator and encoder |
| CN209976213U (en) * | 2019-03-13 | 2020-01-21 | 朱亮 | An access control magnetic lock anti-fall device |
| CN111577851A (en) * | 2020-06-01 | 2020-08-25 | 珠海格力智能装备有限公司 | Screw drive mechanism |
| CN216923089U (en) * | 2021-12-20 | 2022-07-08 | 浙江亚微精密机床有限公司 | Lead screw mounting structure capable of adapting to thermal deformation of lead screw |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118882581A (en) * | 2024-09-29 | 2024-11-01 | 鑫筑电力科技集团(贵州)有限公司 | Cement pole intelligent detection device |
| CN118882581B (en) * | 2024-09-29 | 2024-12-06 | 鑫筑电力科技集团(贵州)有限公司 | Cement pole intelligent detection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216923089U (en) | Lead screw mounting structure capable of adapting to thermal deformation of lead screw | |
| KR101001630B1 (en) | Bite holder lifting device for V-groove cutter | |
| CN114060488A (en) | Lead screw mounting structure capable of adapting to thermal deformation of lead screw | |
| JP2008200845A (en) | Method and device for cutting long-sized hardened steel material | |
| JP2019524455A (en) | Thread rolling assembly | |
| CN209632782U (en) | Rocking equipment | |
| CN110732705A (en) | efficient drilling equipment for workshop | |
| CN104690606A (en) | Structural device for controlling heat errors of numerical control machine tool ram | |
| CN110976925B (en) | A double vertical wall type full gas static pressure vertical lathe | |
| CN115971535A (en) | Hydraulic cylinder barrel blank processing equipment based on stable supporting structure | |
| CN113909972B (en) | Built-in numerical control turning device | |
| CN211248495U (en) | A deep through hole keyway milling equipment | |
| CN210189013U (en) | A machine tool for processing casing parts | |
| CN208116767U (en) | A kind of numerical-control horizontal lathe | |
| CN221936135U (en) | Double-drive hollow screw structure assembly | |
| CN218283770U (en) | Combined type boring cutter | |
| CN222036933U (en) | A hole enlarging milling cutter with antistatic coating | |
| CN219131150U (en) | Detachable laser cutting machine tool body | |
| CN219484273U (en) | Novel reamer | |
| CN222308692U (en) | Support structure capable of being quickly changed | |
| CN214923456U (en) | Take adjustable stroke control mechanism's lapping machine | |
| CN216730677U (en) | Bar processing is with tight fixing device of centering clamp | |
| CN114571276B (en) | Five-axis numerical control cutting machine | |
| CN222114360U (en) | Cutter driving device for ultra-precise machining | |
| CN217941981U (en) | Double-bevel processing machine tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |