Gap-adjustable machine tool guide rail

Abstract

The utility model discloses a gap-adjustable machine tool guide rail, and relates to the technical field of machine tools and supporting facilities. The device comprises L-shaped plates, a main body assembly is arranged between every two adjacent L-shaped plates, and fixing assemblies are further arranged on the L-shaped plates. The main body assembly comprises a mounting frame arranged between the adjacent L-shaped plates in the transverse direction, fixed frames are fixedly connected to the outer walls of the two sides of the mounting frame, moving blocks are movably connected to the upper portions and the lower portions of the fixed frames, and a cover plate is clamped between the left moving block and the right moving block which are adjacent. The cover plate is driven to move through the first threaded rod and the sliding block, the cover plate drives the mounting block to move, the size of the sliding groove in the guide rail is adjusted, the problem of adjusting the size of an existing sliding groove is solved, meanwhile, the distance between the rotating block and the fixing plate is adjusted through the second sleeve and the third threaded rod, and the adjusting effect is good. The problem that in the prior art, the installation height and the inclination angle of a guide rail are inconvenient to adjust is solved.

Description

Technical Field

[0001] This utility model belongs to the technical field of machine tools and supporting facilities, and in particular relates to a machine tool guide rail with adjustable clearance. Background Technology

[0002] A machine tool is a machine used to manufacture machinery and equipment. It is also known as a machine tool or machine tool. It can be mainly divided into lathes, boring machines, milling machines, planers, grinding machines, drilling machines, etc. It is one of the important equipment for machinery manufacturing and repair. Among them, the machine tool guideway is one of the important components of the machine tool, which is used to move the cutting tools and other structures on the machine tool.

[0003] A machine tool guideway mechanism is disclosed in document CN220971605U, including a guideway, a sliding seat slidably connected to the outer wall of the guideway, a protective device fixedly connected to the inner surface of the sliding seat, the protective device including a limiting block fixedly connected to the inner surface of the sliding seat, the limiting block having a notch on the side near the guideway; a rotating shaft rotatably connected in the notch, the rotating shaft passing through a rotating wheel and fixedly connected to the rotating wheel; and an air jet assembly fixedly connected in the notch of the limiting block.

[0004] However, it still has the following drawbacks in practical use:

[0005] 1. The machine tool guide rail mechanism mentioned above has grooves on the front and rear ends of the guide rail for mounting the sliding seat. However, since the gap size of the grooves is fixed, one type of guide rail can only be used for one type of sliding seat, resulting in poor adaptability and practicality.

[0006] 2. The machine tool guide rail mechanism mentioned above also has reserved holes on the guide rail for installation. However, it is not convenient to adjust the installation angle of the guide rail during use, which makes it difficult to adapt the guide rail to different machine tool scenarios and results in poor practicality.

[0007] To address these issues, we provide a machine tool guide with adjustable clearance. Utility Model Content

[0008] The purpose of this utility model is to provide a machine tool guide rail with adjustable clearance. The cover plate is driven to move by the first threaded rod and the slider, and the cover plate drives the mounting block to move, thereby realizing the adjustment of the size of the slide groove on the guide rail and solving the problem of adjusting the size of the slide groove in the existing system. At the same time, the distance between the rotating block and the fixed plate is adjusted by the second sleeve and the third threaded rod, which solves the problem of the inconvenience of adjusting the installation height and tilt angle of the guide rail in the existing system.

[0009] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0010] This utility model is a machine tool guide rail with adjustable gap, including an L-shaped plate, with main components arranged between adjacent L-shaped plates, and a fixing component also arranged on the L-shaped plate;

[0011] The main component includes a mounting frame arranged horizontally between adjacent L-shaped plates. Fixed frames are fixedly connected to both outer walls of the mounting frame. Movable blocks are movably connected to the top and bottom of the fixed frames. A cover plate is snapped between the left and right adjacent movable blocks. Mounting blocks are fixedly connected horizontally to the front and rear ends of the lower surface of the cover plate. Protrusions are fixedly connected to both sides of the center position of the lower surface of the cover plate. A first threaded rod is rotatably connected horizontally inside the mounting frame. Slider blocks are threadedly sleeved on both sides of the outer wall of the first threaded rod.

[0012] The fixing component includes a fixing block fixedly connected to the transverse support arm of the L-shaped plate. The front and rear ends of the fixing block are movably connected to a movable plate. A rotating block is rotatably connected to the end face of the movable plate away from the fixing block. A second sleeve is rotatably connected inside the rotating block. A third threaded rod is threaded inside the second sleeve. A fixing plate is movably connected to the bottom end of the third threaded rod. An anti-slip sleeve is fitted on the outer wall of the second sleeve.

[0013] A further feature of this invention is that a first sliding rod is fixedly connected to the surface of the movable block near the fixed frame, and one end of the first sliding rod away from the movable block moves through the surface of the fixed frame and is fixedly connected to a first limiting plate. The first limiting plate is located at the upper and lower interior of the fixed frame, and a return spring is sleeved on the outer side of the first sliding rod. The two ends of the return spring are fixedly connected to the top or bottom interior of the fixed frame and the first limiting plate, respectively.

[0014] A further feature of this invention is that positioning posts are fixedly connected to the front and rear ends of the outer wall of the side of the movable block closest to the cover plate, and positioning holes are provided on both sides of the outer wall of the cover plate, with the end of the positioning post away from the movable block fitted into the interior of the positioning hole with a clearance fit.

[0015] A further feature of this invention is that a fastening bolt is threaded through the surface of the cover plate, and one end of the fastening bolt is threaded into a threaded hole on the mounting block.

[0016] A further feature of this invention is that a baffle is fitted on the outer wall of the first threaded rod, the baffle being located inside the mounting frame and on both sides of the slider.

[0017] A further feature of this invention is that the two ends of the first threaded rod extend to the outer sides of the mounting frame, and both ends of the first threaded rod are fitted with screw caps.

[0018] A further feature of this invention is that a first sleeve is rotatably inserted through the center of the end face of the fixed block, and a second limiting plate is fitted on both the front and rear ends of the outer wall of the first sleeve. A second threaded rod is threaded on both the front and rear ends of the inner side of the first sleeve. One end of the second threaded rod located outside the first sleeve is fixedly connected to the end face of the moving plate near the fixed block. A second sliding rod is fixedly connected around the perimeter of the end face of the moving plate near the fixed block, and one end of the second sliding rod away from the moving plate is movably connected to the inside of the mounting hole on the end face of the fixed block.

[0019] A further feature of this invention is that an installation rod is fixedly connected to the end face of the movable plate away from the fixed block, and the end of the installation rod away from the movable plate passes through the rotating block and is fixedly connected to a third limiting plate.

[0020] A further feature of this invention is that a connecting ball is fixedly connected to the bottom end of the third threaded rod, and a mounting base is fixedly connected to the upper surface of the fixing plate, with the end of the connecting ball away from the third threaded rod movably connected inside the mounting base.

[0021] This utility model has the following beneficial effects:

[0022] 1. This utility model, by setting a main component, removes one of the fixed frames and rotates the nut. The nut drives the first threaded rod to rotate, which in turn drives the slider to move. The slider applies an external force to the protrusion, causing the protrusion to drive the cover plate to move. In turn, the cover plate drives the mounting block to move, thereby adjusting the spacing between the mounting blocks and thus adjusting the size of the guide rail groove. This facilitates the adjustment of the groove size and makes it easy to adapt to different sliding seats.

[0023] 2. This utility model, by setting a fixed component, rotates the second sleeve, which drives the third threaded rod to rotate, and the third threaded rod drives the fixed plate to move, thereby changing the height of the L-shaped plates on both sides. This allows for adjustment of the installation height of the guide rail. Furthermore, when the heights of the L-shaped plates on both sides are different, the tilt angle of the guide rail can be adjusted. This facilitates the adjustment of the installation height and tilt angle of the guide rail, making it suitable for different scenarios. Attached Figure Description

[0024] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0025] Figure 1 This is a schematic diagram of the overall structure of a machine tool guide rail with adjustable clearance.

[0026] Figure 2 This is a structural disassembly diagram of the main components of this utility model.

[0027] Figure 3 This is a front sectional view of the mounting frame of this utility model.

[0028] Figure 4 This is a structural disassembly diagram of the fixed frame and the movable block of this utility model.

[0029] Figure 5 This is a structural disassembly diagram of the cover plate and mounting block of this utility model.

[0030] Figure 6 This is a schematic diagram of the structure of the fixing component of this utility model.

[0031] Figure 7 This is a structural disassembly diagram of the fixing block and the movable plate of this utility model.

[0032] Figure 8 This is a structural disassembly diagram of the rotating block of this utility model.

[0033] The attached diagram lists the components represented by each number as follows:

[0034] 1-L-shaped plate, 2-Main component, 201-Mounting frame, 202-Fixing frame, 203-Moving block, 203a-First sliding rod, 203b-First limiting plate, 203c-Return spring, 203d-Positioning post, 204-Cover plate, 204a-Positioning hole, 204b-Protrusion, 204c-Fasting bolt, 205-Mounting block, 206-First threaded rod, 206a-Swivel cap, 206b-Baffle, 207- 3-Slider, 3-Fixed assembly, 301-Fixed block, 301a-First sleeve, 301b-Second limiting plate, 302-Moving plate, 302a-Second threaded rod, 302b-Second sliding rod, 302c-Mounting rod, 302d-Third limiting plate, 303-Rotating block, 304-Second sleeve, 304a-Anti-slip sleeve, 305-Third threaded rod, 305a-Connecting ball, 306-Fixed plate, 306a-Mounting base. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0036] Example 1

[0037] Please see Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, this is the first embodiment of the present invention. This embodiment provides a machine tool guide rail with adjustable clearance, including an L-shaped plate 1. A main body component 2 is arranged between adjacent L-shaped plates 1. The main body component 2 includes a mounting frame 201, a fixing frame 202, a moving block 203, a cover plate 204, a mounting block 205, a first threaded rod 206, and a slider 207. The first threaded rod 206 and the slider 207 drive the cover plate 204 to move, and the cover plate 204 drives the mounting block 205 to move, thereby realizing the adjustment of the size of the groove on the guide rail and solving the problem of adjusting the size of the existing groove.

[0038] Specifically, the mounting frame 201 is horizontally positioned between adjacent L-shaped plates 1. Fixed frames 202 are fixedly connected to both outer walls of the mounting frame 201. Movable blocks 203 are movably connected to the upper and lower sides of the fixed frames 202. A cover plate 204 is engaged between adjacent movable blocks 203. Mounting blocks 205 are horizontally fixedly connected to the front and rear ends of the lower surface of the cover plate 204. Protrusions 204b are fixedly connected to both sides of the center position of the lower surface of the cover plate 204. A first threaded rod 206 is rotatably connected horizontally inside the mounting frame 201. Slider blocks 207 are threaded onto both sides of the outer wall of the first threaded rod 206. The mounting frame 201 is configured to support the fixed frames 202. The structure is installed using the following components: the fixed frame 202 is used to movably install the movable block 203; the movable block 203 is used to movably install the cover plate 204 on the mounting frame 201; the cover plate 204 is used to install the mounting block 205 and drive the mounting block 205 to move; the protrusion 204b is used to apply external force to the cover plate 204, causing the cover plate 204 to drive the mounting block 205 to move; the mounting block 205 is used to form a sliding groove on the front and rear end faces of the mounting frame 201; the first threaded rod 206 is used to drive the slider 207 to move; and the slider 207 is used to apply external force to the protrusion 204b.

[0039] Furthermore, a first sliding rod 203a is fixedly connected to the surface of the movable block 203 near the fixed frame 202. The end of the first sliding rod 203a away from the movable block 203 moves through the surface of the fixed frame 202 and is fixedly connected to a first limiting plate 203b. The first limiting plate 203b is located at the upper and lower inside the fixed frame 202 respectively. A return spring 203c is sleeved on the outer side of the first sliding rod 203a. The two ends of the return spring 203c are fixedly connected to the top or bottom of the inner side of the fixed frame 202 and the first limiting plate 203b respectively.

[0040] Positioning pins 203d are fixedly connected to the front and rear ends of the outer wall of the movable block 203 near the cover plate 204. Positioning holes 204a are opened on both sides of the outer wall of the cover plate 204. The end of the positioning pin 203d away from the movable block 203 is fitted with a clearance inside the positioning hole 204a.

[0041] The cover plate 204 has a threaded fastening bolt 204c that passes through its surface. One end of the fastening bolt 204c is threaded into a threaded hole on the mounting block 205.

[0042] A baffle 206b is fitted on the outer wall of the first threaded rod 206. The baffle 206b is located inside the mounting frame 201 and on both sides of the slider 207.

[0043] The two ends of the first threaded rod 206 extend to the outer sides of the mounting frame 201, and both ends of the first threaded rod 206 are fitted with screw caps 206a.

[0044] The operation process of this embodiment is as follows: Remove one of the fixed frames 202 and rotate the nut 206a. The nut 206a drives the first threaded rod 206 to rotate. The first threaded rod 206 drives the slider 207 to move. The slider 207 applies an external force to the protrusion 204b, causing the protrusion 204b to drive the cover plate 204 to move. In turn, the cover plate 204 drives the mounting block 205 to move, thereby adjusting the spacing between the mounting blocks 205 and thus adjusting the size of the guide rail groove.

[0045] Example 2

[0046] Please see Figure 1 , Figure 6 , Figure 7 and Figure 8 As shown, this is the second embodiment of the present invention. This embodiment is based on the previous embodiment, but differs from the previous embodiment in that: a fixing component 3 is also provided on the L-shaped plate 1. The fixing component 3 includes a fixing block 301, a moving plate 302, a rotating block 303, a second sleeve 304, a third threaded rod 305, and a fixing plate 306. The distance between the rotating block 303 and the fixing plate 306 is adjusted by the second sleeve 304 and the third threaded rod 305, which solves the problem that it is inconvenient to adjust the installation height and tilt angle of the guide rail in the existing embodiment.

[0047] Specifically, the fixing block 301 is fixedly connected to the transverse support arm of the L-shaped plate 1. The front and rear ends of the fixing block 301 are movably connected to the moving plate 302. The end face of the moving plate 302 away from the fixing block 301 is rotatably connected to the rotating block 303. The inside of the rotating block 303 is rotatably connected to the second sleeve 304. The inside of the second sleeve 304 is threaded with a third threaded rod 305. The bottom end of the third threaded rod 305 is movably connected to the fixing plate 306. The outer wall of the second sleeve 304 is fitted with an anti-slip sleeve 304a.

[0048] Furthermore, the first sleeve 301a is rotatably passed through the center position of the end face of the fixed block 301. The front and rear ends of the outer wall of the first sleeve 301a are fitted with second limiting plates 301b. The front and rear ends of the inner side of the first sleeve 301a are threaded with second threaded rods 302a. One end of the second threaded rod 302a located outside the first sleeve 301a is fixedly connected to the end face of the moving plate 302 near the fixed block 301.

[0049] The movable plate 302 is fixedly connected to the four sides of the end face near the fixed block 301 with a second slide rod 302b. The end of the second slide rod 302b away from the movable plate 302 is movably connected to the inside of the mounting hole on the end face of the fixed block 301.

[0050] An installation rod 302c is fixedly connected to the end face of the movable plate 302 away from the fixed block 301. The end of the installation rod 302c away from the movable plate 302 passes through the rotating block 303 and is fixedly connected to the third limiting plate 302d.

[0051] A connecting ball 305a is fixedly connected to the bottom end of the third threaded rod 305, and a mounting base 306a is fixedly connected to the upper surface of the fixing plate 306. The end of the connecting ball 305a away from the third threaded rod 305 is movably connected to the inside of the mounting base 306a.

[0052] The rest of the structure is the same as in Example 1.

[0053] The operation process of this embodiment is as follows: rotate the second sleeve 304, the second sleeve 304 drives the third threaded rod 305 to rotate, the third threaded rod 305 drives the fixed plate 306 to move, thereby changing the height of the L-shaped plates 1 on both sides, realizing the adjustment of the installation height of the guide rail, and when the heights of the L-shaped plates 1 on both sides are different, the tilt angle of the guide rail can be adjusted.

[0054] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0055] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it.

Claims

1. A machine tool guide rail with adjustable clearance, comprising an L-shaped plate (1), characterized in that: The L-shaped plates (1) are provided with main components (2) between adjacent plates, and fixed components (3) are also provided on the L-shaped plates (1); The main component (2) includes a mounting frame (201) arranged horizontally between adjacent L-shaped plates (1), and a fixing frame (202) is fixedly connected to both outer walls of the mounting frame (201). A moving block (203) is movably connected to the upper and lower sides of the fixing frame (202), and a cover plate (204) is snapped between the left and right adjacent moving blocks (203). Mounting blocks (205) are fixedly connected horizontally to the front and rear ends of the lower surface of the cover plate (204), and protrusions (204b) are fixedly connected to both sides of the center position of the lower surface of the cover plate (204). A first threaded rod (206) is rotatably connected horizontally inside the mounting frame (201), and sliders (207) are threadedly sleeved on both sides of the outer wall of the first threaded rod (206). The fixing component (3) includes a fixing block (301) fixedly connected to the transverse support arm of the L-shaped plate (1), and a movable plate (302) is movably connected to both the front and rear ends of the fixing block (301). A rotating block (303) is rotatably connected to the end face of the movable plate (302) away from the fixing block (301), and a second sleeve (304) is rotatably connected inside the rotating block (303). A third threaded rod (305) is threaded inside the second sleeve (304), and a fixing plate (306) is movably connected to the bottom end of the third threaded rod (305). An anti-slip sleeve (304a) is fitted on the outer wall of the second sleeve (304).

2. The machine tool guide rail with adjustable clearance according to claim 1, characterized in that, A first sliding rod (203a) is fixedly connected to the surface of the movable block (203) near the fixed frame (202), and one end of the first sliding rod (203a) away from the movable block (203) moves through the surface of the fixed frame (202) and is fixedly connected to a first limiting plate (203b). The first limiting plate (203b) is located inside the fixed frame (202) at the top and bottom respectively, and a return spring (203c) is sleeved on the outside of the first sliding rod (203a). The two ends of the return spring (203c) are fixedly connected to the top or bottom of the inner side of the fixed frame (202) and the first limiting plate (203b) respectively.

3. The machine tool guide rail with adjustable clearance according to claim 1, characterized in that, The movable block (203) has a positioning post (203d) fixedly connected to the front and rear ends of the outer wall of the side near the cover plate (204), and positioning holes (204a) are opened on both sides of the outer wall of the cover plate (204). The end of the positioning post (203d) away from the movable block (203) is fitted with a gap inside the positioning hole (204a).

4. The machine tool guide rail with adjustable clearance according to claim 1, characterized in that, The cover plate (204) has a threaded fastening bolt (204c) threaded through its surface, and one end of the fastening bolt (204c) is threaded into a threaded hole on the mounting block (205).

5. The machine tool guide rail with adjustable clearance according to claim 1, characterized in that, A baffle (206b) is fitted on the outer wall of the first threaded rod (206), and the baffle (206b) is located inside the mounting frame (201) and on both sides of the slider (207).

6. The machine tool guide rail with adjustable clearance according to claim 5, characterized in that, The two ends of the first threaded rod (206) extend to the outer sides of the mounting frame (201), and both ends of the first threaded rod (206) are fitted with screw caps (206a).

7. The machine tool guide rail with adjustable clearance according to claim 1, characterized in that, The center of the end face of the fixed block (301) is rotatably penetrated by a first sleeve (301a), and the front and rear ends of the outer wall of the first sleeve (301a) are fitted with second limiting plates (301b). The front and rear ends of the inner side of the first sleeve (301a) are threaded with second threaded rods (302a), and one end of the second threaded rod (302a) located outside the first sleeve (301a) is fixedly connected to the end face of the moving plate (302) near the fixed block (301). The four sides of the end face of the moving plate (302) near the fixed block (301) are fixedly connected with second sliding rods (302b), and one end of the second sliding rod (302b) away from the moving plate (302) is movably connected to the inside of the mounting hole on the end face of the fixed block (301).

8. The machine tool guide rail with adjustable clearance according to claim 1, characterized in that, An installation rod (302c) is fixedly connected to the end face of the movable plate (302) away from the fixed block (301), and the end of the installation rod (302c) away from the movable plate (302) passes through the rotating block (303) and is fixedly connected to a third limiting plate (302d).

9. A machine tool guide rail with adjustable clearance according to claim 1, characterized in that, The bottom end of the third threaded rod (305) is fixedly connected to a connecting ball (305a), and the upper surface of the fixing plate (306) is fixedly connected to a mounting base (306a), and the end of the connecting ball (305a) away from the third threaded rod (305) is movably connected to the inside of the mounting base (306a).

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