CN219242446U - Guide rail thermal stress relieving device - Google Patents
Guide rail thermal stress relieving device Download PDFInfo
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- CN219242446U CN219242446U CN202320568384.1U CN202320568384U CN219242446U CN 219242446 U CN219242446 U CN 219242446U CN 202320568384 U CN202320568384 U CN 202320568384U CN 219242446 U CN219242446 U CN 219242446U
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- guide rail
- movable guide
- force application
- panel
- thermal stress
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Abstract
The utility model discloses a guide rail thermal stress relieving device, which comprises a movable guide rail panel (1), wherein the lower surface of the movable guide rail panel is used for installing a movable guide rail, the movable guide rail is arranged on a fixed guide rail, one group of movable guide rails is fixedly connected with the movable guide rail panel, the other group of movable guide rails is provided with a transition plate (6) between the movable guide rail and the movable guide rail panel (1), one surface of the transition plate (6) is attached to the panel (1), the other surface of the transition plate is fixedly connected with the movable guide rail, a force application cavity is arranged between the movable guide rail panel (1) and the transition plate (6), and a force application device is arranged in the force application cavity. According to the utility model, the transition plate is arranged on one group of the movable guide rails, and the pressing plate is arranged at the position of the movable guide rail on the side, so that the thermal stress between the guide rails is eliminated by utilizing the force application cavity and the force application device in the force application cavity, the guide rails can be normally used, and the accuracy of the guide rails in use is ensured.
Description
Technical Field
The utility model relates to the technical field of guide rails, in particular to a guide rail thermal stress relieving device.
Background
The common linear motion guide rail in the mechanical structure consists of at least two groups of guide rail pairs and a base which are mutually contacted, wherein a fixed guide rail is arranged on the base, a movable guide rail is arranged on the panel, a certain distance is reserved between the two groups of guide rails, and when the temperature difference exists between the panel and the base of the guide rail, particularly when the panel and the base are made of materials with different thermal expansion coefficients, the distance between the two groups of rails is different, so that the normal work is influenced by abnormal contact of the rails. The common solution is to use a flat-V guide rail, i.e. one set of V-shaped guide rails is a positioning guide rail, and the other set of flat guide rails can be freely stretched, so that the contact of the guide rail pair is not affected when the panel and the base are thermally deformed, but the problem exists when a double V-shaped guide rail, a rolling guide rail assembly and a hydrostatic guide rail are used.
Disclosure of Invention
The utility model aims to solve the technical problem that the thermal stress of the guide rail is eliminated by arranging the transition plate on one group of the movable guide rail and arranging the pressing plate at the position of the movable guide rail on the side, and the thermal stress among the guide rails is eliminated by utilizing the force application cavity and the force application device in the force application cavity, so that the problems in the prior art can be effectively solved.
The utility model is realized by the following technical scheme: the guide rail thermal stress relieving device comprises a movable guide rail panel, wherein a movable guide rail is arranged below the movable guide rail panel, the movable guide rail is arranged on a fixed guide rail, at least one group of guide rails are provided with a transition plate between the movable guide rail and the movable guide rail panel, one surface of the transition plate is attached to the panel, the other surface of the transition plate is fixedly connected with the movable guide rail, a force application cavity is arranged between the movable guide rail panel and the transition plate, and a force application device is arranged in the force application cavity;
the force application device is provided with a force application state and a non-force application state, the movable guide rail panel and the transition plate are pressed tightly during force application, and the guide rail realizes normal work;
when the thermal stress is required to be eliminated, the force application device is released, an external force is applied, the alpha angle between the movable guide rail panel and the transition plate is automatically reset due to the thermal stress, the thermal stress is eliminated after the alpha angle is reset, and the force application device applies force to tightly press the movable guide rail panel and the transition plate, so that the guide rail normally works.
As the preferable technical scheme, the pressing plate is provided with a groove for the passing of the movable guide rail, and a plurality of fixing rods are used for connecting the pressing plate with the movable guide rail panel and keeping a certain distance, and the distance enables the convex edges of the pressing plate and the transition plate to form a force application cavity.
As the preferable technical scheme, or, the pressing plate is an L-shaped pressing plate, the L-shaped pressing plate is fixedly arranged on the movable guide rail panel, and the L-shaped pressing plate and the convex edge of the transition plate form a force application cavity.
As a preferable technical scheme, the force application device is an expansion pipe or an oil cylinder or an air cylinder.
As the preferable technical scheme, when the force application device is an oil cylinder or an air cylinder, the cylinder body of the piston of the oil cylinder or the air cylinder is fixed on the pressing plate or the L-shaped plate, the piston rod is contacted with the transition plate at the top, and the transition plate and the movable guide rail panel are pressed when force is applied.
As a preferred technical solution, gravity acts as an external force when the rail panels are placed horizontally.
As a preferred technical solution, the external force is a magnetic attraction force when the rail panel is placed perpendicular to the horizontal plane.
As a preferable technical scheme, when only one group of movable guide rails and the movable guide rail panel are pressed by the force application device, the other group of movable guide rails is fixed on the guide rail panel.
The beneficial effects of the utility model are as follows: the utility model sets the transition plate on at least one group of movable guide rail, and sets the pressing plate on the side, so as to form the force application cavity in the middle, by installing the force application device in the force application cavity, the force application device is released when the thermal stress needs to be eliminated, the alpha angle between the movable guide rail panel and the transition plate is automatically zeroed due to the external force effect caused by the thermal stress, the thermal stress is eliminated after zeroing, the force application device applies force to press the movable guide rail panel and the transition plate, so that the guide rail normally works.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a structure of the present utility model using a linear platen;
FIG. 2 is a schematic diagram of a second embodiment of the present utility model using an in-line platen;
FIG. 3 is a schematic view of the structure of the present utility model when an L-shaped platen is used;
FIG. 4 is a second schematic structural view of the present utility model using an L-shaped platen;
FIG. 5 is a schematic diagram of the working principle of the present utility model;
FIG. 6 is a simplified working diagram of a dual V rail of the present utility model;
FIG. 7 is a schematic diagram of the operation of the dual rolling rail of the present utility model;
FIG. 8 is a schematic diagram of the operation of the dual V plus ball guide of the present utility model;
FIG. 9 is a schematic representation of the operation of the hydrostatic rail of the present utility model;
FIG. 10 is a schematic view of the structure of the magnetic attraction force applying device of the present utility model;
reference numerals illustrate:
1. a movable guide rail mounting plate; 2. a first movable rail; 3. a second movable rail; 4. a pressing plate; 5. an oil cylinder; 6. a transition plate; 7. a piston; 8. an expansion tube; 9. a fixed rod; 41. an L-shaped pressing plate; 100. a fixed guide rail; 101. a magnetic iron; 101. magnetic attraction strips.
Detailed Description
All of the features disclosed in this specification, or all of the steps in a method or process disclosed, may be combined in any combination, except for mutually exclusive features and/or steps.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise. That is, each feature is one example only of a generic series of equivalent or similar features, unless expressly stated otherwise.
As shown in fig. 1, the thermal stress relieving device for the guide rail of the present utility model comprises a movable guide rail panel, wherein the lower surface of the movable guide rail panel is used for installing a movable guide rail, the movable guide rail is installed on a fixed guide rail 100, one group of movable guide rails is fixedly connected with the movable guide rail panel, the other group of movable guide rails is provided with a transition plate 6 between the movable guide rail and the movable guide rail panel, one surface of the transition plate 6 is attached to the panel, the other surface of the transition plate 6 is fixedly connected with the movable guide rail, a force application cavity is arranged between the movable guide rail panel and the transition plate 6, and a force application device is arranged in the force application cavity;
the force application device is provided with a force application device and a non-force application device, the movable guide rail panel and the transition plate 6 are pressed tightly when force is applied, and the guide rail realizes normal work;
when the thermal stress is required to be eliminated, the force application device is loosened, the alpha angle between the movable guide rail panel and the transition plate 6 is automatically reset due to the action of gravity, the thermal stress is eliminated after the reset, the force application device applies force to tightly press the movable guide rail panel and the transition plate 6, so that the guide rail normally works, as shown in fig. 5, when the guide rail normally works, the force application device is in a tightly pressed state, when the thermal stress is generated, the force application device is loosened, the principle of utilization is that the gravity reset mode is adopted, the alpha angle between the movable guide rail panel and the transition plate 6 is eliminated, and after the elimination, the force application device continuously applies force, so that the normal use of the guide rail is ensured.
In this embodiment, a plurality of fixing rods 9 are disposed in the force application cavity, the fixing rods 9 connect the movable rail panel and the pressing plate 4, the pressing plate 4 and the convex edge of the transition plate 6 form the force application cavity, the pressing plate 4 and the movable rail panel are fixedly connected through the fixing rods 9, so that the force application cavity is formed in the middle, and therefore a force application device can be disposed in the force application cavity to apply pressure to the transition plate 6 and the pressing plate 4, so that the rail can work normally.
As shown in fig. 1 and 2, in the present embodiment, the pressing plate 4 is a "in-line" pressing plate 4, and a groove for passing through the moving rail is provided on the pressing plate 4, or the pressing plate 4 may be other shapes, as long as the structure that has a region and a transition plate 6 to form a force application chamber after being mounted on the moving rail can be applied in the present embodiment.
As shown in fig. 3 and 4, as another embodiment, the pressing plate 4 is an L-shaped pressing plate 41, the L-shaped pressing plate 41 is fixedly mounted on the movable rail panel, the convex edges of the L-shaped pressing plate 41 and the transition plate 6 form a force application cavity, unlike the linear pressing plate 4, the pressing plate 4 can be mounted at the bottom position of the movable rail panel by using the L-shaped pressing plate 41, so that the pressing plate 4 does not need to be mounted on the movable rail, and the force application cavity can be formed between the pressing plate 4 and the transition plate 6, namely, a force application device can be mounted in the force application cavity, and the thermal stress can be eliminated by using the working mode.
In this embodiment, as shown in fig. 1-4, the force application device is an expansion pipe 8 or an oil cylinder 5 or an air cylinder, the expansion pipe 8 can adopt a pipeline with elastic material, when force application is needed, some mediums such as water, oil or air can be injected into the interior, so that the expansion pipe 8 expands, the movable guide rail panel and the transition plate 6 can be compressed after the expansion pipe 8 expands, normal use of the guide rail is realized, when thermal stress needs to be eliminated, the guide rail panel and the transition plate 6 can be reset as long as the internal mediums are discharged, so that an angle alpha between the guide rail panel and the transition plate 6 is automatically zeroed, and the thermal stress is eliminated after zeroing.
As shown in fig. 2 and 3, when the force application device is an oil cylinder 5 or an air cylinder, the piston 7 rod of the oil cylinder 5 or the air cylinder is in contact with the transition plate 6 at the top, and the force application device may be any structure capable of actively controlling the tensioning or releasing, in this embodiment, the oil cylinder 5, the air cylinder or the expansion pipe 8 is exemplified, but the force application device should not be limited to use only.
In the present embodiment, the fixing rod 9 is a screw for locking, and the fixing rod 9 may be a screw or the like.
According to the utility model, the transition plate 6 is arranged on one group of movable guide rails, the pressing plate 4 is arranged at the side position, so that a force application cavity is formed in the middle, and by installing the force application device in the force application cavity, when thermal stress needs to be eliminated, the force application device is released, and under the action of external force, the alpha angle between the movable guide rail panel and the transition plate 6 is automatically zeroed due to the thermal stress, the thermal stress is eliminated after zeroing, and the force application device applies force to tightly press the movable guide rail panel and the transition plate 6, so that the guide rail normally works. When the guide rail is horizontally placed, gravity is an external force, and when the guide rail is vertically installed, as shown in fig. 10, a magnetic attraction force application mode is adopted, namely, the bottom of the guide rail panel is provided with a magnet 101, the position of the fixed guide rail corresponding to the magnet is provided with a magnetic attraction strip 102, the two parts generate magnetic attraction force, the purpose of the external force effect can be achieved, and the structure of the magnet can be replaced by an electromagnet.
In the above embodiments, the double V guide rail structure is exemplified, and in other embodiments, as shown in fig. 6 to 9, the guide rail may be a double rolling guide rail, a double V ball guide rail or a hydrostatic guide rail, and any guide rail structure may use the above structure of the present utility model to eliminate thermal stress generated during operation.
When only one group of movable guide rails is fixedly connected with the movable guide rail panel, the other group of movable guide rails is fixed on the guide rail panel through the transition plate, the force application structures listed in the embodiment are one group, and two groups of the force application structures can be designed according to the needs in practice, namely, the transition plate, the pressing plate and the force application device are arranged on the movable guide rails on two sides, and the protection scope of the utility model is also provided.
The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, but any changes or substitutions that do not undergo the inventive effort should be construed as falling within the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope defined by the claims.
Claims (8)
1. The utility model provides a guide rail thermal stress relief device which characterized in that: the device comprises a movable guide rail panel (1), wherein the lower surface of the movable guide rail panel is used for installing a movable guide rail, the movable guide rail is arranged on a fixed guide rail, at least one group of movable guide rails and the movable guide rail panel (1) are provided with a transition plate (6), one surface of the transition plate (6) is attached to the panel (1), the other surface of the transition plate is fixedly connected with the movable guide rail, a force application cavity is arranged between the movable guide rail panel (1) and the transition plate (6), and a force application device is arranged in the force application cavity;
the force application device is provided with a force application state and a non-force application state, the movable guide rail panel (1) and the transition plate (6) are pressed when force is applied, and the guide rail realizes normal work;
when the thermal stress is required to be eliminated, the force application device is released, an external force acts, the alpha angle between the movable guide rail panel (1) and the transition plate (6) is automatically zeroed due to the thermal stress, the thermal stress is eliminated after zeroing, and the force application device applies force to tightly press the movable guide rail panel (1) and the transition plate (6), so that the guide rail works normally.
2. The guide rail thermal stress relief device according to claim 1, wherein: the movable guide rail type hydraulic pressure device is characterized in that the movable guide rail type hydraulic pressure device comprises a pressure plate (4), a groove for a movable guide rail to pass through is formed in the pressure plate (4), a plurality of fixing rods (9) are used for connecting the pressure plate (4) with the movable guide rail panel (1) and keeping a certain distance, and the distance enables convex edges of the pressure plate (4) and the transition plate (6) to form a force application cavity.
3. The guide rail thermal stress relief device according to claim 1, wherein: the pressing plate is an L-shaped pressing plate (41), the L-shaped pressing plate (41) is fixedly arranged on the movable guide rail panel (1), a force application cavity is formed by the transverse edge of the L-shaped pressing plate and the convex edge of the transition plate (6), and the vertical edge determines the height of the force application cavity.
4. The guide rail thermal stress relief device according to claim 1, wherein: the force application device is an expansion pipe (8) or an oil cylinder (5) or an air cylinder.
5. The guide rail thermal stress relief device according to claim 4, wherein: when the force application device is an oil cylinder (5) or an air cylinder, the cylinder body of the oil cylinder (5) or the air cylinder is fixed on the pressing plate (4) or the L-shaped pressing plate (41), the transition plate (6) at the top of the piston rod is contacted, and the transition plate (6) and the movable guide rail panel (1) are pressed when force is applied.
6. The guide rail thermal stress relief device according to claim 1, wherein: when the guide rail panel is placed horizontally, gravity acts as an external force.
7. The guide rail thermal stress relief device according to claim 1, wherein: when the guide rail panel is placed perpendicular to the horizontal plane, the external force is magnetic attraction.
8. The guide rail thermal stress relief device according to claim 1, wherein: when only one group of movable guide rails and the movable guide rail panel are pressed by the force application device, the other group of movable guide rails are fixed on the guide rail panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320568384.1U CN219242446U (en) | 2023-03-22 | 2023-03-22 | Guide rail thermal stress relieving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320568384.1U CN219242446U (en) | 2023-03-22 | 2023-03-22 | Guide rail thermal stress relieving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219242446U true CN219242446U (en) | 2023-06-23 |
Family
ID=86808566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320568384.1U Active CN219242446U (en) | 2023-03-22 | 2023-03-22 | Guide rail thermal stress relieving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219242446U (en) |
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2023
- 2023-03-22 CN CN202320568384.1U patent/CN219242446U/en active Active
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