CN220944089U - Mixed structure of lathe bed steel guide rail and linear guide rail - Google Patents
Mixed structure of lathe bed steel guide rail and linear guide rail Download PDFInfo
- Publication number
- CN220944089U CN220944089U CN202322583398.3U CN202322583398U CN220944089U CN 220944089 U CN220944089 U CN 220944089U CN 202322583398 U CN202322583398 U CN 202322583398U CN 220944089 U CN220944089 U CN 220944089U
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- China
- Prior art keywords
- guide rail
- linear guide
- steel
- tail table
- table base
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 55
- 239000010959 steel Substances 0.000 title claims abstract description 55
- 238000003825 pressing Methods 0.000 claims description 13
- 238000003754 machining Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000003801 milling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004519 manufacturing process 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
- 230000036632 reaction speed Effects 0.000 description 1
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- Machine Tool Units (AREA)
Abstract
The utility model relates to a mixed structure of a steel guide rail and a linear guide rail of a machine tool body, wherein the steel guide rail and the linear guide rail are arranged between a tail table base and the machine tool body; the steel guide rail is positioned near one side of the tail table base and is in sliding contact with the edge of the bottom surface of the tail table base through the inlaid strip; the number of the linear guide rails is two, one linear guide rail is positioned on the side end face of the steel guide rail, and the other linear guide rail is far away from the steel guide rail and is positioned on the upper surface of the lathe bed; the bottom surface of the tail table base is connected with a tail table lower body, the side end surface of the tail table lower body is connected with a linear guide rail attached to the steel guide rail, and the other linear guide rail far away from the steel guide rail is connected with the lower surface of the tail table base. The structure has the advantages of both the steel guide rail and the linear guide rail, has good fastening effect, can ensure that the tail table and the center frame of the machine tool are quickly and firmly locked on the guide rail of the machine tool, greatly improves the rigidity of the machine tool, ensures the stability of the machine tool, and greatly improves the machining efficiency.
Description
Technical Field
The utility model relates to a mixed structure of a steel guide rail and a linear guide rail of a machine tool body, and belongs to the technical field of machine tool manufacturing.
Background
The traditional guide rail is mainly divided into two single forms, namely a rigid guide rail and a linear guide rail. The steel guide rail has the advantages of strong bearing capacity, high rigidity, low running speed, high processing difficulty and difficult assembly; the linear guide rail has the advantages of high running speed, no creeping phenomenon, convenient assembly, high processing precision, small bearing capacity relative to the steel guide rail and weak stability.
The processing of the automobile engine crankshaft usually adopts a special crankshaft numerical control high-speed external milling machine tool, and the machine tool requires the guide rail to have extremely strong rigidity due to the processing requirement, and simultaneously requires high running speed and high precision, so that the existing guide rail cannot meet the requirement.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a mixed structure of a steel guide rail and a linear guide rail of a machine tool body, which has the advantages of both the steel guide rail and the linear guide rail, has good fastening effect, can ensure that a tail table and a center frame of the machine tool are quickly and firmly locked on the guide rail of the machine tool body, greatly improves the rigidity of the machine tool, ensures the stability of the machine tool, and greatly improves the machining efficiency.
In order to solve the problems, the specific technical scheme of the utility model is as follows: a mixed structure of a steel guide rail and a linear guide rail of a machine tool body is provided, wherein the steel guide rail and the linear guide rail are arranged between a tail table base and the machine tool body; the steel guide rail is positioned near one side of the tail table base and is in sliding contact with the edge of the bottom surface of the tail table base through the inlaid strip; the number of the linear guide rails is two, one linear guide rail is positioned on the side end face of the steel guide rail, and the other linear guide rail is far away from the steel guide rail and is positioned on the upper surface of the lathe bed; the bottom surface of the tail table base is connected with a tail table lower body, the side end surface of the tail table lower body is connected with a linear guide rail attached to the steel guide rail, and the other linear guide rail far away from the steel guide rail is connected with the lower surface of the tail table base.
The lower surface of the lower body of the tail table is connected with a locking pressing plate through a pressing plate screw, the end part of the locking pressing plate extends towards the steel guide rail, a small piston body is arranged on the upper surface of the locking pressing plate, and the movable part of the small piston body is contacted with the bottom surface of the steel guide rail through a panel.
A guide rail clamp is arranged on the linear guide rail at one side, and the guide rail clamp is contacted with the bottom surface of the tail table base.
The interface between the tail table base and the lathe bed forms an included angle of 30-50 degrees with the horizontal plane.
The mixed structure of the steel guide rail and the linear guide rail of the machine tool body adopts the structure and has the following advantages:
1. the steel guide rail and the linear guide rail are combined on the same side, so that the advantages of the steel guide rail and the linear guide rail can be achieved, and meanwhile, the low running speed and poor precision of the steel guide rail are avoided; the linear guide rail has the defects of smaller bearing capacity and weak stability;
2. By arranging the small piston body structure, the piston can be directly controlled to lift through hydraulic pressure, so that the tail table base is locked on the steel guide rail of the lathe bed;
3. One of the linear guide rails is arranged on the side end surface of the steel guide rail, and a limiting effect is carried out through the steel guide rail while the running speed is ensured;
4. And a guide rail clamp is arranged on the other linear guide rail, and the brake reaction speed of the tail table base is improved by pneumatically controlling the release and locking of the clamp.
Drawings
Fig. 1 is a schematic diagram of a connection structure according to the present application.
Fig. 2 is a state diagram of the application of the application in a numerical control high-speed external milling machine tool for crankshafts.
Detailed Description
As shown in fig. 1, a mixed structure of a steel guide rail and a linear guide rail of a machine tool body is provided, wherein a steel guide rail 5 and a linear guide rail 6 are arranged between a tail table base 2 and a machine body 3; wherein the steel guide rail 5 is positioned near one side of the tail table base 2 and is in sliding contact with the edge of the bottom surface of the tail table base 2 through the inlaid strip 13; the number of the linear guide rails 6 is two, one linear guide rail is positioned on the side end surface of the steel guide rail 5, and the other linear guide rail is far away from the steel guide rail 5 and is positioned on the upper surface of the lathe bed 3; the bottom surface of the tail table base 2 is connected with a tail table lower body 1, the side end surface of the tail table lower body 1 is connected with a linear guide rail 6 attached to a steel guide rail 5, and the other linear guide rail 6 far away from the steel guide rail 5 is connected with the lower surface of the tail table base 2.
The lower surface of the tail table lower body 1 is connected with a locking pressing plate 8 through a pressing plate screw 10, the end part of the locking pressing plate 8 extends towards the direction of the steel guide rail 5, a small piston body 9 is arranged on the upper surface of the locking pressing plate 8, and the movable part of the small piston body 9 is contacted with the bottom surface of the steel guide rail 5 through a panel 13.
The linear guide rail 6 on one side is provided with a guide rail clamp 4, and the guide rail clamp 4 is contacted with the bottom surface of the tail table base 2 so as to improve the braking speed of the linear guide rail 6.
As shown in fig. 2, the interface between the tail table base 2 and the lathe bed 3 forms an included angle of 30-50 degrees with the horizontal plane, wherein the red line is a linear guide rail 6, the green line is a steel guide rail 5, and the angle is suitable for a numerical control high-speed external milling machine tool of a crankshaft, so that the rigidity of the machine tool is improved, the stability of the machine tool during high-speed milling of the crankshaft is ensured, and the machining efficiency is greatly improved.
The working process of the mixed structure of the steel guide rail and the linear guide rail of the machine tool body comprises the following steps: when the tail table moves to a required position, the locking pressing plate 8 is arranged at the bottom surface of the tail table base 2, the small piston body 9 is positioned below the steel guide rail, the small piston body moves up and down through oil injection of the oil hole, the tail table base 2 is tightly propped under the lathe bed, and the guide rail clamp 4 is locked with the linear guide rail 6 at the corresponding position after gas interruption, so that the locking with the tail table base 2 and the lathe bed 3 is realized.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (4)
1. A mixed structure of a machine tool body steel guide rail and a linear guide rail is characterized in that: a steel guide rail (5) and a linear guide rail (6) are arranged between the tail table base (2) and the lathe bed (3); wherein the steel guide rail (5) is near one side of the tail table base (2) and is in sliding contact with the edge of the bottom surface of the tail table base (2) through the inlaid strip (13); the number of the linear guide rails (6) is two, one linear guide rail is positioned on the side end surface of the steel guide rail (5), and the other linear guide rail is far away from the steel guide rail (5) and is positioned on the upper surface of the lathe bed (3); the bottom surface of the tail table base (2) is connected with a tail table lower body (1), the side end surface of the tail table lower body (1) is connected with a linear guide rail (6) attached to the steel guide rail (5), and the other linear guide rail (6) far away from the steel guide rail (5) is connected with the lower surface of the tail table base (2).
2. The hybrid structure of a machine bed steel rail and a linear rail according to claim 1, characterized in that: the lower surface of the tail table lower body (1) is connected with a locking pressing plate (8) through a pressing plate screw (10), the end part of the locking pressing plate (8) extends towards the direction of the steel guide rail (5), a small piston body (9) is arranged on the upper surface of the locking pressing plate (8), and the movable part of the small piston body (9) is contacted with the bottom surface of the steel guide rail (5) through a inlaid strip (13).
3. The hybrid structure of a machine bed steel rail and a linear rail according to claim 1, characterized in that: a guide rail clamp (4) is arranged on the linear guide rail (6) at one side, and the guide rail clamp (4) is contacted with the bottom surface of the tail table base (2).
4. The hybrid structure of a machine bed steel rail and a linear rail according to claim 1, characterized in that: the interface between the tail table base (2) and the lathe bed (3) forms an included angle of 30-50 degrees with the horizontal plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322583398.3U CN220944089U (en) | 2023-09-22 | 2023-09-22 | Mixed structure of lathe bed steel guide rail and linear guide rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322583398.3U CN220944089U (en) | 2023-09-22 | 2023-09-22 | Mixed structure of lathe bed steel guide rail and linear guide rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220944089U true CN220944089U (en) | 2024-05-14 |
Family
ID=91021969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322583398.3U Active CN220944089U (en) | 2023-09-22 | 2023-09-22 | Mixed structure of lathe bed steel guide rail and linear guide rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220944089U (en) |
-
2023
- 2023-09-22 CN CN202322583398.3U patent/CN220944089U/en active Active
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