Guide rail auxiliary supporting device and machine tool
By designing the guide rail auxiliary support device and adjusting the mounting frame position using the adjustment screw, the problem of uneven stress distribution of machine tool guide rails is solved, the processing accuracy and stability are improved, and the service life of the machine tool is extended.
Patent Information
- Application Number
- CN202421823769.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-30
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2034-07-30
AI Technical Summary
The existing machine tool support structure has an uneven stress distribution due to the long position of the base foot support structure, which causes the rail to be concave in the straightness of the rail, affecting the processing accuracy and yield.
A guide rail auxiliary support device is designed, including a mounting frame and an adjustment screw. By rotating the adjustment screw, the position of the mounting frame relative to the machine tool frame is accurately adjusted, and the stress distribution is optimized and deformation is reduced.
By optimizing stress distribution, the machining accuracy and stability of the machine tool are significantly improved, vibration and impact are reduced, the service life of the machine tool is extended, and the installation and adjustment process is simplified.
Smart Images

Figure CN222831197U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of mechanical processing, in particular to a guide rail auxiliary supporting device and a machine tool. Background Art
[0002] As a core component in the machinery manufacturing industry, the machine tool support structure has been evolving along with the wave of the industrial revolution. From the initial simple wooden or iron frame to today's highly precise, complex and changeable composite support system, the machine tool support structure has not only witnessed the advancement of technology, but also promoted the leap of the manufacturing industry. However, in the process of pursuing higher processing accuracy and efficiency, the machine tool support structure in the existing technology has gradually exposed some problems.
[0003] In particular, due to the limitations of the structural design, the anchor supports are often set relatively far apart. This layout improves the stability of the machine tool, but also poses hidden dangers. With the high-speed operation and long-term use of the machine tool, the long-distance anchor supports cause the guide rails to bear uneven stress distribution, which in turn causes the guide rail straightness to become concave. Although this deformation is subtle, it is enough to seriously interfere with the machining accuracy of the machine tool and affect the yield and quality of the product. Utility Model Content
[0004] In view of this, the purpose of the utility model is to overcome the deficiencies in the prior art and to provide a guide rail auxiliary support device and a machine tool.
[0005] The utility model provides the following technical solutions:
[0006] In a first aspect, an embodiment of the present application provides a guide rail auxiliary support device, comprising a mounting frame and an adjusting screw. The adjusting screw is vertically mounted on the mounting frame, and the two ends of the adjusting screw are respectively a first end and a second end, the first end is threadedly engaged with the mounting frame, and the second end is supported on the ground or other fixed foundations.
[0007] In one embodiment, the guide rail auxiliary support device further includes a polygonal column, which is fixedly disposed on the first end portion and is disposed parallel to the adjusting screw.
[0008] In one embodiment, the guide rail auxiliary support device also includes an end shell and an end cover, wherein the end shell is fixedly arranged on a side of the mounting frame close to the polygonal column, and the polygonal column and part of the first end are located in the end shell; the end cover is detachably installed at the opening of the end shell, and the opening of the end shell can be sealed by the end cover.
[0009] In one embodiment, the guide rail auxiliary support device further includes a sealing ring, which is disposed between the end cover and the end shell so that the end cover is sealed and fitted in the opening of the end shell.
[0010] In one embodiment, the guide rail auxiliary support device also includes a gasket, a nut and a spring gasket, wherein the gasket is sleeved on the first end portion and the gasket abuts against the mounting frame; the nut is sleeved on the first end portion and the nut pushes the gasket toward the mounting frame; the spring gasket is arranged between the gasket and the nut, and the nut pushes the gasket through the spring gasket.
[0011] In one embodiment, the guide rail auxiliary support device further includes a cushion block, which abuts against the second end portion so that the second end portion is supported on the ground or other fixed foundations through the cushion block.
[0012] In one embodiment, a portion of the second end portion that abuts against the cushion block is configured as a conical surface.
[0013] In one embodiment, the portion of the cushion block that abuts against the second end is configured as a spherical groove.
[0014] In one embodiment, the cross-section of the mounting frame is a rectangular frame, the first end portion has a first contact shaft segment and a second contact shaft segment with the mounting frame, the first contact shaft segment and the second contact shaft segment are provided with external threads, and the mounting frame is threadedly matched with the first contact shaft segment and the second contact shaft segment.
[0015] In a second aspect, an embodiment of the present application provides a machine tool, comprising a frame and the guide rail auxiliary support device described in any of the above embodiments, wherein the mounting frame of the guide rail auxiliary support device is integrally formed with the frame.
[0016] The guide rail auxiliary support device provided by the embodiment of the utility model has the following advantages:
[0017] By rotating the adjustment screw, the position of the mounting frame relative to the machine tool frame can be precisely adjusted. This fine-tuning mechanism helps optimize the stress distribution of the machine tool and reduce the deformation of the machine tool guide rails due to stress concentration, thereby significantly improving the machining accuracy and stability of the machine tool. The first end is mated with the thread of the mounting frame, and the second end is supported on the ground or other fixed foundation, making the installation and adjustment process of the entire structure simple and quick. Users can achieve fine-tuning by simply rotating the adjustment screw, without the need for complicated disassembly and reassembly processes.
[0018] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0020] Figure 1 A structural schematic diagram showing one perspective of one embodiment of the guide rail auxiliary support device provided in the embodiments of the present application;
[0021] Figure 2 A schematic structural diagram of two viewing angles of one embodiment of a machine tool provided in an embodiment of the present application is shown.
[0022] Description of main component symbols:
[0023] 100-mounting frame; 110-end housing; 120-end cover; 130-sealing ring;
[0024] 200-adjusting screw; 202-first end; 204-second end; 210-polygonal column; 220-washer; 230-nut; 240-spring washer;
[0025] 300- pad;
[0026] 400-rack. DETAILED DESCRIPTION
[0027] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0028] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. In contrast, when an element is referred to as being "directly on" another element, there is no intermediate element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.
[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of the template herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0032] First, as Figure 1 As shown, an embodiment of the present application provides a guide rail auxiliary support device for adjusting the stress distribution of a machine tool, reducing the deformation of a machine tool frame 400, and improving the machining accuracy of the machine tool. The guide rail auxiliary support device includes a mounting frame 100 and an adjusting screw 200.
[0033] The mounting frame 100 provides a mounting base for other components.
[0034] The adjusting screw 200 is vertically installed on the mounting frame 100. The relative position of the mounting frame 100 is adjusted by adjusting the screw 200. During the displacement of the mounting frame 100, the frame 400 of the machine tool is pushed, thereby adjusting the stress distribution of the machine tool, reducing the deformation of the machine tool frame 400, and improving the processing accuracy of the machine tool.
[0035] The two ends of the adjusting screw 200 are respectively a first end 202 and a second end 204. The first end 202 is threadedly matched with the mounting frame 100, and the adjusting screw 200 can generate axial movement between the adjusting screw 200 and the mounting frame 100 during rotation. The second end 204 is supported on the ground or other fixed foundations.
[0036] By adjusting the rotation of the screw 200, the position of the mounting frame 100 relative to the machine tool frame 400 can be precisely adjusted. This fine-tuning mechanism helps to optimize the stress distribution of the machine tool and reduce the deformation of the machine tool guide rail due to stress concentration, thereby significantly improving the machining accuracy and stability of the machine tool.
[0037] The first end 202 is matched with the thread of the mounting frame 100, and the second end 204 is supported on the ground or other fixed foundation, making the installation and adjustment process of the entire structure simple and quick. The user can achieve fine adjustment by simply rotating the adjustment screw 200, without complicated disassembly and reassembly processes.
[0038] Since the support end of the adjusting screw rod 200 can be fixed on the ground or other fixed foundation, this structure has strong environmental adaptability. Whether it is on the workshop floor, workbench or other platform, it can be quickly installed and put into use to meet the needs of different processing scenarios.
[0039] By optimizing the stress distribution of the machine tool and reducing deformation, the auxiliary support structure helps to reduce fatigue damage to the machine tool frame 400, thereby extending the service life of the machine tool. At the same time, reducing vibration and impact during processing also helps to protect the precision parts inside the machine tool and reduce maintenance costs.
[0040] like Figure 1 As shown, in one embodiment, the guide rail auxiliary support device further includes a polygonal column 210 , which is fixedly disposed on the first end portion 202 , and the polygonal column 210 is disposed parallel to the adjusting screw 200 .
[0041] The outer edge of the polygonal column 210 can be adapted to the wrench slot, and the polygonal column 210 can be rotated by the wrench, which is convenient and labor-saving. For example, the polygonal column 210 is a quadrangular column. In another embodiment, the polygonal column 210 is a pentagonal column. In another embodiment, the polygonal column 210 is a hexagonal column.
[0042] like Figure 1 As shown, in one embodiment, the guide rail auxiliary support device also includes an end shell 110 and an end cover 120. The end shell 110 is fixedly disposed on a side of the mounting frame 100 close to the polygonal column 210. Part of the structure of the polygonal column 210 and the first end 202 is located in the end shell 110. The disposed end shell 110 can protect the first end 202 and the polygonal column 210, and prevent the workpiece from colliding with the first end 202 and the polygonal column 210.
[0043] For example, Figure 1 As shown, the end shell 110 is integrally formed with the mounting frame 100. In another embodiment, the end shell 110 is fixedly mounted on the mounting frame 100 by welding, bolt connection or clamping.
[0044] The end shell 110 is fixedly arranged on one side of the mounting frame 100 close to the polygonal column 210, which effectively protects the first end 202 and the polygonal column 210 from direct external impact or collision, reduces the risk of damage caused by accidental collision, and improves the durability and reliability of the entire device.
[0045] The end cover 120 is detachably mounted at the opening of the end shell 110 . The end cover 120 can block the opening of the end shell 110 . The end cover 120 can prevent foreign matter from entering the interior of the end shell 110 .
[0046] For example, Figure 2 As shown, the end cover 120 is detachably mounted at the opening of the end housing 110 by bolts. In one embodiment, the end cover 120 is snap-fitted and mounted at the opening of the end housing 110.
[0047] The end cover 120 is detachably mounted at the opening of the end shell 110 to seal the opening to prevent dust, chips, coolant and other debris from entering the end shell 110, thereby maintaining the cleanliness of the interior of the end shell 110 and reducing friction, wear or jamming caused by the entry of debris, thereby extending the service life.
[0048] like Figure 1 As shown, in one embodiment, the guide rail auxiliary support device further includes a sealing ring 130 , which is disposed between the end cover 120 and the end shell 110 so that the end cover 120 is sealed and fitted in the opening of the end shell 110 .
[0049] The sealing ring 130 acts as a sealing element to ensure a tight fit between the end cover 120 and the end housing 110, effectively preventing external dust, chips, moisture, coolant and other debris from penetrating into the device through the opening. This enhanced sealing protects the first end 202 inside the end housing 110 from contamination and prolongs its service life.
[0050] like Figure 1 As shown, in one embodiment, the guide rail auxiliary support device further includes a washer 220, a nut 230 and a spring washer 240. Exemplarily, the washer 220, the spring washer 240 and the nut 230 are sequentially arranged along a first direction, and the first direction is a direction along the axis of the adjusting screw 200 and pointing from the first end 202 to the polygonal column 210.
[0051] The gasket 220 is sleeved on the first end 202, and the gasket 220 abuts the mounting frame 100. The nut 230 is sleeved on the first end 202, and the nut 230 pushes the gasket 220 to approach the mounting frame 100, and provides the necessary pre-tightening force by tightening to ensure a stable connection between the first end 202 and the mounting frame 100. The size of the pre-tightening force directly affects the reliability and durability of the connection. The gasket 220 is sleeved on the first end 202 and abuts the mounting frame 100, which increases the contact area, disperses the pressure generated when the nut 230 is tightened, and prevents damage caused by local stress concentration. At the same time, the gasket 220 can also fill the gap caused by manufacturing tolerances to ensure the tightness of the connection.
[0052] The spring washer 240 is arranged between the gasket 220 and the nut 230. The nut 230 pushes the gasket 220 through the spring washer 240. When the nut 230 is tightened, the spring washer 240 is compressed and stores a certain amount of elastic potential energy. This elastic potential energy helps to maintain the stability of the connection under vibration or impact loads and prevent the nut 230 from loosening. The elasticity of the spring washer 240 can also absorb part of the vibration energy and reduce the impact of vibration on the threaded fit of the first end 202 and the mounting bracket 100. In addition, during the operation of the mechanical equipment, due to the effects of various factors (such as vibration, impact, etc.), the first end 202 and the mounting bracket 100 may be affected by dynamic loads. The elasticity of the spring washer 240 can buffer these dynamic loads and reduce their impact and damage to the connection parts.
[0053] like Figure 1 As shown, in one embodiment, the guide rail auxiliary support device further includes a cushion block 300 , which abuts against the second end portion 204 , so that the second end portion 204 is supported on the ground or other fixed foundations through the cushion block 300 .
[0054] The pad 300 provides a more stable and reliable support for the second end 204. Since the pad 300 generally has a larger contact area and better load-bearing capacity, it can effectively disperse the pressure of the second end 204 on the ground, preventing ground damage or unstable support caused by excessive local pressure.
[0055] The cushion block 300 is set on the ground, and the second end 204 presses the cushion block 300. When the ground is inclined, the cushion block 300 can be close to the ground; the second end 204 abuts against the cushion block 300, and the cushion block 300 can be tilted or rotated relative to the second end 204, so that the adjusting screw 200 remains vertical, thereby enabling the guide rail auxiliary support device to adapt to the inclined ground.
[0056] In one embodiment, the portion of the second end 204 that abuts the cushion block 300 is configured as a conical surface, which can increase the contact area between the second end 204 and the cushion block 300, thereby providing a more stable support. During the operation of the machine tool, this stable support helps to reduce vibration and shaking and improve machining accuracy. The conical surface structure provided on the second end 204 makes it easier to achieve centering of the cushion block 300 during installation. By rotating or fine-tuning the position of the cushion block 300, it can be ensured that the conical surface fits tightly with the conical surface of the second end 204 to achieve the best support effect. The conical surface structure provided on the second end 204 helps to disperse the stress at the contact point between the second end 204 and the cushion block 300. When the second end 204 and the cushion block 300 are subjected to a large load, the conical surface can guide the stress to disperse to the surroundings, reduce stress concentration, and extend the service life of the equipment.
[0057] In one embodiment, the portion of the cushion block 300 that abuts against the second end portion 204 is configured as a spherical groove.
[0058] The spherical groove design can ensure a tighter and more stable contact between the pad 300 and the second end 204. Spherical contact has better adaptability than planar contact and can better adapt to slight deformation or unevenness of the second end 204, thereby maintaining a stable support effect.
[0059] The spherical groove can more effectively disperse the pressure of the second end 204 on the cushion block 300. During the operation of the machine tool, the second end 204 may be subjected to a large load. The spherical groove design can evenly disperse the pressure to various parts of the cushion block 300, reduce local stress concentration, and extend the service life of the cushion block 300 and the second end 204.
[0060] like Figure 1 As shown, in one embodiment, a through hole is provided on the cushion block 300, and the through hole is connected to the spherical groove on the cushion block 300, the through hole is vertically arranged, and the spherical groove and the through hole are distributed in sequence along the direction of gravity, and the debris generated by the friction between the second end 204 and the cushion block 300 falls into the through hole, preventing the debris from increasing the wear of the second end 204 and the cushion block 300 and improving the service life.
[0061] Illustratively, the cushion block 300 is a casting with good shock absorption performance.
[0062] like Figure 1 As shown, in one embodiment, the cross-section of the mounting frame 100 is a rectangular frame, and the first end 202 of the adjusting screw 200 has a first contact shaft segment and a second contact shaft segment with the mounting frame 100, and the first contact shaft segment and the second contact shaft segment are provided with external threads, and the mounting frame 100 is threadedly matched with the first contact shaft segment and the second contact shaft segment.
[0063] The threaded design makes the installation and removal between the mounting bracket 100 and the adjusting screw 200 relatively simple. When maintenance or replacement of parts is required, the adjusting screw 200 can be easily unscrewed from the mounting bracket 100 and then the necessary operation can be performed. This easy installation and maintenance feature improves the maintainability and service life of the mechanical structure.
[0064] The first contact shaft section and the second contact shaft section are provided to increase the load-bearing capacity of the adjusting screw 200, and to transmit a larger force and torque. Therefore, this mechanical structure design can ensure that the connection between the mounting frame 100 and the adjusting screw 200 is still stable and reliable when subjected to a large load. The threaded fit has a certain self-locking property, and can prevent loosening due to vibration or external impact to a certain extent.
[0065] Second, as Figure 2 As shown, an embodiment of the present application further provides a machine tool, comprising a frame 400 and a guide rail auxiliary support device of any of the above embodiments.
[0066] The mounting frame 100 of the guide rail auxiliary support device is integrally formed with the frame 400.
[0067] After the machine tool has been used for a period of time, if the accuracy of the machine tool guide rail changes, just open the end cover 120, loosen the nut 230, and then rotate the adjusting screw 200 to move the adjusting screw 200 relative to the mounting frame 100 and the frame 400. The adjusting screw 200 supports the mounting frame 100 and the frame 400 to adjust the deformation of the mounting frame 100 and the frame 400, and then adjust the deformation of the guide rail on the frame 400 to improve the accuracy of the guide rail. After the adjustment is completed, tighten the nut 230 and reinstall the end cover 120.
[0068] In all examples shown and described herein, any specific values should be interpreted as merely exemplary and not as limiting, and thus other examples of the exemplary embodiments may have different values.
[0069] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0070] The above-mentioned embodiments only express several implementation methods of the present invention, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention.
Claims
1. A guide rail auxiliary support device, characterized in that: include: Mounting frame (100); An adjusting screw (200) is vertically mounted on the mounting frame (100), and the two ends of the adjusting screw (200) are respectively a first end (202) and a second end (204), the first end (202) is threadedly engaged with the mounting frame (100), and the second end (204) is supported on the ground or other fixed foundation.
2. The guide rail auxiliary support device according to claim 1, characterized in that: Also includes: A polygonal column (210), wherein the polygonal column (210) is fixedly disposed on the first end portion (202), and the polygonal column (210) is disposed parallel to the adjusting screw (200).
3. The guide rail auxiliary support device according to claim 2, characterized in that: Also includes: an end shell (110), the end shell (110) being fixedly disposed on a side of the mounting frame (100) close to the polygonal column (210), the polygonal column (210) and a portion of the first end (202) being located inside the end shell (110); An end cover (120) is detachably mounted at the opening of the end shell (110), and the opening of the end shell (110) can be sealed by the end cover (120).
4. The guide rail auxiliary support device according to claim 3, characterized in that: Also includes: A sealing ring (130) is arranged between the end cover (120) and the end shell (110) so that the end cover (120) is sealed and fitted in the opening of the end shell (110).
5. The guide rail auxiliary support device according to claim 3, characterized in that: Also includes: a gasket (220), the gasket (220) being sleeved on the first end portion (202), and the gasket (220) being in contact with the mounting frame (100); a nut (230), wherein the nut (230) is sleeved on the first end portion (202), and the nut (230) pushes the gasket (220) toward the mounting frame (100); A spring washer (240) is disposed between the gasket (220) and the nut (230), and the nut (230) pushes the gasket (220) through the spring washer (240).
6. The guide rail auxiliary support device according to any one of claims 1 to 5, characterized in that: Also includes: A cushion block (300) is in contact with the second end portion (204), so that the second end portion (204) is supported on the ground or other fixed foundation through the cushion block (300).
7. The guide rail auxiliary support device according to claim 6, characterized in that: The portion of the second end portion (204) that abuts against the cushion block (300) is configured as a conical surface.
8. The guide rail auxiliary support device according to claim 7, characterized in that: The portion of the cushion block (300) that abuts against the second end portion (204) is configured as a spherical groove.
9. The guide rail auxiliary support device according to claim 1, characterized in that: The cross section of the mounting frame (100) is a rectangular frame, the first end portion (202) is provided with a first contact shaft segment and a second contact shaft segment with the mounting frame (100), the first contact shaft segment and the second contact shaft segment are provided with external threads, and the mounting frame (100) is threadedly matched with the first contact shaft segment and the second contact shaft segment.
10. A machine tool, characterized in that: include: Rack(400); According to any one of claims 1 to 9, the mounting frame (100) of the guide rail auxiliary support device is integrally formed with the frame (400).