Installation drive device and driving method

Abstract

The present invention discloses an installation drive device and a driving method, comprising an installation frame, a linear guide rail arranged on the installation frame along the Z-axis direction, a mounting plate slidably arranged on the linear guide rail, a driving mechanism arranged on the installation frame along the Z-axis direction, and a floating mechanism driven by the driving mechanism and connecting the installation plate and the driving mechanism, wherein the floating mechanism comprises a No. 1 mounting member fixedly arranged on the installation plate, a No. 2 mounting member fixedly arranged on the driving mechanism and driven by the driving mechanism, a No. 1 guide rail and a No. 2 guide rail arranged on the No. 1 mounting member, and a No. 1 groove and a No. 2 groove extending along the Z-axis direction are respectively arranged on both sides of the No. 2 mounting member, the No. 1 guide rail is slidably matched with one side of the No. 2 mounting member through the No. 1 groove, the No. 2 guide rail can slide along the No. 2 groove, and there is a floating gap between the No. 2 guide rail and the No. 1 groove along the Y-axis direction, and the floating gap is greater than the assembly gap between the No. 1 guide rail and the No. 2 mounting member. Advantages: It can effectively prevent the drive mechanism from getting stuck.

Description

Technical Field

[0001] The present invention relates to the field of driving equipment, and in particular to an installation driving device and a driving method. Background Art

[0002] Each battery cell processing device often requires a drive device to drive the various transport mechanisms to transfer the battery cells. Conventional drive devices use screw modules, pneumatic cylinders, electric cylinders, or other linear modules as the drive mechanism to drive the transport mechanism. However, in practice, it has been found that due to the tolerances of the processing dimensions of the frame and drive mechanism itself, as well as the tolerances of the installation accuracy of the various components of the drive mechanism, the drive mechanism can operate normally when unloaded. However, when in use due to load, the assembly positions of the various components of the drive mechanism reach the tolerance limits and become stuck.

[0003] In view of this, it is necessary to provide a mounting drive device and a driving method. Summary of the Invention

[0004] The mounting drive device and driving method provided by the present invention effectively solve the problem that the existing drive device may become stuck.

[0005] The technical solution adopted in the present invention is:

[0006] The installation drive device includes a mounting frame, a linear guide rail arranged on the mounting frame along the Z-axis direction, a mounting plate slidably arranged on the linear guide rail, a driving mechanism arranged on the mounting frame along the Z-axis direction, and a floating mechanism driven by the driving mechanism and connecting the mounting plate and the driving mechanism. The floating mechanism includes a No. 1 mounting part fixedly arranged on the mounting plate, a No. 2 mounting part fixedly arranged on the driving mechanism and driven by the driving mechanism, a No. 1 guide rail and a No. 2 guide rail arranged on the No. 1 mounting part, and a No. 1 groove and a No. 2 groove extending along the Y-axis direction are respectively provided on both sides of the No. 2 mounting part. The No. 1 guide rail slides with one side of the No. 2 mounting part through the No. 1 groove, and the No. 2 guide rail can slide along the No. 2 groove, and there is a floating gap between the No. 2 guide rail and the No. 1 groove along the Z-axis direction, and the floating gap is greater than the assembly gap between the No. 1 guide rail and the No. 2 mounting part.

[0007] Furthermore, the No. 1 mounting member includes a No. 1 plate slidably connected to the linear guide rail, a No. 1 side plate and a No. 2 side plate relatively arranged on the No. 1 plate, the No. 1 guide rail is arranged on the No. 1 side plate, the No. 2 guide rail is arranged on the No. 2 side plate, and the No. 1 mounting member is fixedly arranged on the No. 1 plate.

[0008] Furthermore, the No. 2 mounting member includes a fixed block arranged on the driving mechanism and driven by the driving mechanism, a No. 1 block arranged on one side of the fixed block, and a No. 2 block arranged on the other side of the fixed block, the No. 1 slot is arranged on the No. 1 block, and the No. 2 slot is arranged on the No. 2 block.

[0009] Furthermore, the driving mechanism includes a screw-nut pair, a motor arranged on the mounting frame to drive the screw to rotate, and a screw seat arranged on the mounting seat for mounting the screw, and the No. 2 mounting piece is fixedly arranged on the nut of the screw-nut pair.

[0010] Furthermore, the fixed block is provided with a No. 1 lateral groove for installing the No. 1 block and a No. 2 lateral groove for installing the No. 2 block, the No. 1 lateral groove is provided with a No. 1 lateral protrusion, the No. 2 lateral groove is provided with a No. 2 lateral protrusion, the No. 1 block is provided with a No. 1 groove engaged with the No. 1 lateral protrusion, the No. 2 block is provided with a No. 2 groove engaged with the No. 2 lateral protrusion, the No. 1 block is bolted to the fixed block, and the No. 2 block is bolted to the fixed block.

[0011] Furthermore, the installation frame includes a plurality of No. 1 profiles, a No. 2 profile connected to the upper ends of the plurality of No. 1 profiles, and a No. 3 profile connected to the lower ends of the plurality of No. 1 profiles.

[0012] Furthermore, there are two linear guide rails, which are respectively arranged on both sides of the installation frame.

[0013] Furthermore, weight-reducing holes are provided on the mounting plate.

[0014] Furthermore, the floating gap is no greater than 1 mm.

[0015] The installation drive method adopts the installation drive device to fix the mechanism to be driven on the installation plate, and the driving mechanism drives the installation plate to slide along the linear guide rail. During the sliding process, the No. 1 guide rail slides relatively along the No. 1 groove to prevent the operation from getting stuck. The No. 1 mounting piece swings to make the No. 2 guide rail float in the No. 2 groove, and the No. 1 guide rail floats in the No. 1 groove to prevent the operation from getting stuck.

[0016] Beneficial effects of the invention:

[0017] During operation, the drive mechanism can slide in the Y-axis direction through the sliding of the No. 1 guide rail and the No. 1 slot of the floating mechanism, preventing the drive mechanism from getting stuck due to the driving direction of the drive mechanism and the linear guide deviating from the reference direction in the YZ plane during operation. The floating clearance between the No. 2 guide rail and the No. 2 slot can reduce the risk of the drive mechanism getting stuck due to the driving direction of the drive mechanism and the linear guide deviating from the reference direction in the XZ plane during operation.

[0018] The driving mechanism adopts the design of screw nut pair, which can achieve long-distance driving and ensure stability during the driving process.

[0019] A No. 1 lateral protrusion and a No. 2 lateral protrusion are respectively provided on both sides of the fixed block, which can make the connection between the No. 1 block, the No. 2 block and the fixed block more stable.

[0020] The No. 1 mounting piece adopts a design in which the No. 1 side plate and the No. 2 side plate are symmetrically arranged on the No. 1 plate, which can ensure that the force on the No. 1 mounting piece is more balanced. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A three-dimensional diagram of the installation drive device provided in an embodiment of the present application.

[0022] Figure 2 This is a front view of the mounting drive device provided in an embodiment of the present application.

[0023] Figure 3 A three-dimensional diagram of a floating mechanism for mounting a drive device provided in an embodiment of the present application.

[0024] Figure 4 A front view of a floating mechanism for mounting a drive device provided in an embodiment of the present application.

[0025] Figure 5 A schematic diagram of a fixing block for mounting a driving device provided in an embodiment of the present application.

[0026] Figure 6 A top view of the mounting drive device provided in an embodiment of the present application.

[0027] Figure 7 This is an exploded view of the No. 2 mounting member, No. 1 guide rail, and No. 2 guide rail of the mounting drive device provided in an embodiment of the present application.

[0028] The markings in the figure are: 1. Mounting frame; 2. Linear guide; 3. Mounting plate; 4. Driving mechanism; 5. Floating mechanism; 51. Mounting part No. 1; 52. Mounting part No. 2; 53. Guide rail No. 1; 54. Guide rail No. 2; 501. Slot No. 1; 502. Slot No. 2; 503. Floating gap; 511. Plate No. 1; 512. Side plate No. 1; 513. Side plate No. 2; 521. Fixed block; 522. Block No. 1; 523. Block No. 2; 41. Screw-nut pair; 42. Screw seat; 211. Lateral protrusion No. 1; 212. Lateral protrusion No. 2; 11. Profile No. 1; 12. Profile No. 2; 13. Profile No. 3; 301. Weight reduction hole; 411. Nut. DETAILED DESCRIPTION

[0029] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0030] like Figure 1 and Figure 2 As shown, the present application provides a first embodiment, which is a mounting drive device, including a mounting frame 1, a linear guide rail 2 arranged on the mounting frame 1 along the Z-axis direction, a mounting plate 3 slidably arranged on the linear guide rail 2, and a driving mechanism 4 arranged on the mounting frame 1 along the Z-axis direction. It also includes a floating mechanism 5 driven by the driving mechanism 4 and connecting the mounting plate 3 and the driving mechanism 4. Figure 3 、 Figure 4 and Figure 5 As shown, the floating mechanism 5 includes a No. 1 mounting member 51 fixedly mounted on the mounting plate 3, a No. 2 mounting member 52 fixedly mounted on the driving mechanism 4 and driven by the driving mechanism 4, a No. 1 guide rail 53 and a No. 2 guide rail 54 arranged on the No. 1 mounting member 51, as shown in FIG. Figure 7 As shown, the second mounting member 52 is provided with a first slot 501 and a second slot 502 extending along the Y-axis on both sides, respectively. The first guide rail 53 slides with one side of the second mounting member 52 through the first slot 501. The second guide rail 54 can slide along the second slot 502, and a floating gap 503 exists between the second guide rail 54 and the first slot 501 along the Z-axis. The floating gap 503 is larger than the assembly gap between the first guide rail 53 and the second mounting member 52.

[0031] like Figure 6 As shown, it should be noted that there are two situations in which the drive mechanism 4 may become stuck during operation: the first situation is that the linear guide rail 2 and the drive mechanism 4 are not parallel in the YZ plane, and the difference L1 between the linear guide rail 2 and the drive mechanism 4 is not a fixed value, resulting in the mounting plate 3 being unable to move along the predetermined path during the movement of the drive mechanism 4. The second situation is that the linear guide rail 2 and the driving mechanism 4 are not parallel in the XZ plane, and the difference L2 between the linear guide rail 2 and the driving mechanism 4 is not a fixed value, which causes the mounting plate 3 to be unable to move along the predetermined path during the movement of the driving mechanism 4. The reason for the second situation is that: multiple linear guide rails 2 are not parallel in the XZ plane, or the No. 1 slot 501 and the No. 2 slot 502 cannot be guaranteed to be absolutely symmetrical due to processing tolerances, and the size, shape and installation position of the No. 1 guide rail 53 and the No. 2 guide rail 54 cannot be guaranteed to be absolutely symmetrical. For example, the No. 2 guide rail 54 cannot be parallel to the Y axis after installation, resulting in the inability to float and avoid position relying solely on the assembly clearance between the No. 1 guide rail 53 and the No. 1 slot 501, and the No. 2 guide rail 54 and the No. 2 slot 502, resulting in the No. 1 guide rail 53 not being able to float to the tolerance limit of the No. 1 slot 501 or the No. 2 guide rail 54 not being able to float to the tolerance limit of the No. 2 slot 502.

[0032] In actual use, the external mechanism is installed on the mounting plate 3, and the mounting plate 3 is driven to move along the linear guide rail 2 by the driving mechanism 4. Since there are tolerances in the manufacturing of the mounting frame 1, the driving mechanism 4, and the linear guide rail 2, and there may also be tolerances in the installation of the mounting frame 1 and the linear guide rail 2, and the installation of the mounting frame 1 and the driving mechanism 4, when the driving mechanism 4 drives the mounting plate 3 to perform linear motion, when the first situation is encountered, when the mounting plate 3 moves to the tolerance limit of L1, the No. 1 guide rail 53 slides relative to the No. 1 groove 501, realizing the sliding of the No. 1 mounting part 51 in the Y-axis direction, overcoming the resistance caused by the non-parallelism of the linear guide rail 2 and the driving mechanism 4 in the YZ plane. In the second case, when the mounting plate 3 moves to the tolerance limit of L2, the floating gap 503 between the No. 2 guide rail 54 and the No. 1 groove 501 compensates for the asymmetric assembly gap between the No. 1 guide rail 53 and the No. 1 groove 501, and the No. 2 guide rail 54 and the No. 2 groove 502. Therefore, when the mounting plate 3 moves to the tolerance limit of L2, the No. 1 guide rail 53 floats within the No. 1 groove 501 at the maximum limit. In addition, in this application, the No. 1 guide rail 53, the No. 2 guide rail 54 and the No. 2 mounting member 52 are made of high-performance mold steel with good toughness, such as SKD 11. Material, even if the installation of the No. 1 guide rail 53 and the No. 2 guide rail 54 and the processing of the No. 1 slot 501 and the No. 2 slot 502 are all under absolute precision, when the second situation occurs, due to the floating gap 503 between the No. 2 guide rail 54 and the No. 2 slot 502, which is larger than the assembly gap between the No. 1 guide rail 53 and the No. 1 slot 501, the No. 2 guide rail 54 will not forcefully squeeze the side arm of the No. 2 slot 502. When the side wall of the No. 2 slot 502 does not deform, the No. 1 guide rail 53 contacts the No. 1 slot 501, and the jamming is overcome by slight deformation of the side wall of the No. 1 slot 501. If the No. 1 guide rail 53 and the No. 1 slot 501, and the No. 2 guide rail 54 and the No. 2 slot 502 are all in the assembly gap, the No. 2 guide rail 54 also needs to squeeze the side wall of the No. 2 slot 502, which is more difficult than the design of the present application that only requires deformation between the No. 1 guide rail 53 and the No. 2 mounting member 52.

[0033] In the above design, the floating mechanism 5 can achieve bidirectional floating in the Y-axis direction and the Z-axis direction without reducing the stability of the operation of the driving mechanism 4, and effectively reduces the risk of the driving mechanism 4 getting stuck.

[0034] Specifically: Figure 3 and Figure 4 As shown, the No. 1 mounting member 51 includes a No. 1 plate 511 slidably connected to the linear guide rail 2, a No. 1 side plate 512 and a No. 2 side plate 513 disposed opposite to the No. 1 plate 511, the No. 1 guide rail 53 is disposed on the No. 1 side plate 512, the No. 2 guide rail 54 is disposed on the No. 2 side plate 513, and the No. 1 mounting member 51 is fixedly mounted on the No. 1 plate 511. The external mechanism is mounted on the No. 1 plate 511.

[0035] In actual use, when the driving mechanism 4 drives the floating mechanism 5 to rise and fall, the floating mechanism 5 drives the first side plate 512 and the second side plate 513 to move, so that the first plate 511 moves, thereby realizing the movement of the first plate 511.

[0036] In the above design, the structural design and specific implementation of the No. 1 mounting member 51 can effectively achieve coordination with the floating mechanism 5 and installation of external mechanisms.

[0037] Specifically: Figure 3 and Figure 4 As shown, the No. 2 mounting member 52 includes a fixed block 521 arranged on the driving mechanism 4 and driven by the driving mechanism 4, a No. 1 block 522 arranged on one side of the fixed block 521, and a No. 2 block 523 arranged on the other side of the fixed block 521, the No. 1 slot 501 is arranged on the No. 1 block 522, and the No. 2 slot 502 is arranged on the No. 2 block 523.

[0038] During actual use, the driving mechanism 4 drives the fixed block 521 to move, so that the fixed block 521 drives the No. 1 block 522 and the No. 2 block 523 to move. During the movement of the No. 1 block 522 and the No. 2 block 523, the No. 1 guide rail 53 and the No. 2 guide rail 54 are driven to move through the No. 1 slot 501 and the No. 2 slot 502 respectively, thereby driving the No. 1 mounting part 51 to move through the No. 1 guide rail 53 and the No. 2 guide rail 54.

[0039] In the above design, the structural design and specific implementation of the No. 2 mounting member 52 can effectively achieve coordination with the driving mechanism 4 .

[0040] Specifically: Figure 1 and Figure 3 As shown, the driving mechanism 4 includes a screw nut pair 41, a motor arranged on the mounting frame 1 to drive the screw to rotate, and a screw seat 42 arranged on the mounting seat for mounting the screw, and the No. 2 mounting member 52 is fixedly set on the nut 411 of the screw nut pair 41.

[0041] In actual use, the motor drives the screw of the screw-nut pair 41 to rotate, so that the nut 411 of the screw-nut pair 41 moves linearly along the screw, thereby driving the second mounting member 52 to move with the nut 411.

[0042] In the above design, the structural design and specific implementation of the driving mechanism 4 can effectively achieve stability during the driving process and achieve long-distance and long-term driving.

[0043] Specifically: Figure 5As shown, the fixed block 521 is provided with a No. 1 lateral groove for installing the No. 1 block 522 and a No. 2 lateral groove for installing the No. 2 block 523, the No. 1 lateral groove is provided with a No. 1 lateral protrusion 211, the No. 2 lateral groove is provided with a No. 2 lateral protrusion 212, the No. 1 block 522 is provided with a No. 1 groove engaged with the No. 1 lateral protrusion 211, the No. 2 block 523 is provided with a No. 2 groove engaged with the No. 2 lateral protrusion 212, the No. 1 block 522 is bolted to the fixed block 521, and the No. 2 block 523 is bolted to the fixed block 521.

[0044] In actual use, block No. 1 522 is connected to fixed block 521, and block No. 2 523 is connected to fixed block 521 by bolts, and a snap fit is formed between the No. 1 lateral protrusion 211 and the No. 1 groove to prevent block No. 1 522 and fixed block 521 from loosening, and a snap fit is formed between the No. 2 lateral protrusion 212 and the No. 2 groove to prevent block No. 2 523 and fixed block 521 from loosening.

[0045] In the above design, the structural design and specific implementation of the fixing block 521 , the first block 522 and the second block 523 can ensure the firmness of the structure of the entire second mounting member 52 .

[0046] Specifically: Figure 1 and Figure 2 As shown, the installation frame 1 includes a number of No. 1 profiles 11, a No. 2 profile 12 connected to the upper ends of the No. 1 profiles 11, and a No. 3 profile 13 connected to the lower ends of the No. 1 profiles 11.

[0047] In actual use, the No. 1 profile 11 and the No. 2 profile 12, as well as the No. 1 profile 11 and the No. 3 profile 13 are fixed by welding.

[0048] In the above design, the structural design and specific implementation of the installation frame 1 can effectively realize the assembly of the installation frame 1.

[0049] Specifically: Figure 1 and Figure 2 As shown, there are two linear guide rails 2 , which are respectively arranged on both sides of the installation frame 1 .

[0050] In the above design, by providing two linear guide rails 2 , the movement of the mounting plate 3 can be made sufficiently stable.

[0051] Specifically: Figure 1 As shown, the mounting plate 3 is provided with a weight-reducing hole 301 .

[0052] In the above design, providing the weight-reducing holes 301 on the mounting plate 3 can reduce the weight of the mounting plate 3 and reduce the load of the driving mechanism 4 .

[0053] Specifically: the floating gap 503 is no greater than 1 mm.

[0054] In actual use, the assembly tolerance of the sliding fit will not exceed 0.35mm. The floating clearance 503 is larger than the assembly tolerance of the sliding fit. Therefore, the floating clearance 503 on one side is greater than 1mm. This allows the floating mechanism 5 to provide sufficient space during operation when the drive mechanism 4 may become stuck, allowing the first guide rail 53 and the second mounting member 52 on the other side to float to the limit of the assembly clearance, thereby reducing the risk of the drive mechanism 4 becoming stuck.

[0055] In the above design, the floating gap 503 is set to be no greater than 1 mm, which can ensure a certain connection between the second guide rail 54 and the second driving member while also providing floating space.

[0056] The second embodiment provided in the present application is an installation drive method, which adopts the installation drive device to fix the mechanism 4 to be driven on the mounting plate 3, and the driving mechanism 4 drives the mounting plate 3 to slide along the linear guide rail 2. During the sliding process, the No. 1 guide rail 53 slides relatively along the No. 1 groove 501 to prevent the operation from getting stuck, and the No. 1 mounting part 51 swings to make the No. 2 guide rail 54 float in the No. 2 groove 502, and the No. 1 guide rail 53 floats in the No. 1 groove 501 to prevent the operation from getting stuck.

[0057] The above design can effectively prevent the driving mechanism 4 from getting stuck during operation.

[0058] To explain in further detail, it should be understood that the above is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A mounting drive device, comprising a mounting frame (1), a linear guide rail (2) arranged on the mounting frame (1) along the Z-axis direction, a mounting plate (3) slidably arranged on the linear guide rail (2), and a driving mechanism (4) arranged on the mounting frame (1) along the Z-axis direction, characterized in that: The invention also comprises a floating mechanism (5) driven by the driving mechanism (4) and connecting the mounting plate (3) and the driving mechanism (4), wherein the floating mechanism (5) comprises a No. 1 mounting member (51) fixedly arranged on the mounting plate (3), a No. 2 mounting member (52) fixedly arranged on the driving mechanism (4) and driven by the driving mechanism (4), a No. 1 guide rail (53) and a No. 2 guide rail (54) arranged on the No. 1 mounting member (51), wherein two sides of the No. 2 mounting member (52) are respectively provided with a No. 1 groove (501) and a No. 2 groove (502) extending in the Y-axis direction, and the No. 1 guide rail (53) is connected to the No. 2 guide rail (54) through the No. 1 groove (501). One side of the mounting member (52) is slidably matched, the second guide rail (54) can slide along the second groove (502), and there is a floating gap (503) between the second guide rail (54) and the second groove (502) along the Z-axis direction, and the floating gap (503) is larger than the assembly gap between the first guide rail (53) and the second mounting member (52), so that the second guide rail (54) will not forcefully squeeze the side arm of the second groove (502), and when the side wall of the second groove (502) does not deform, the first guide rail (53) contacts the first groove (501), and the jamming situation is overcome by slight deformation of the side wall of the first groove (501). The No. 1 mounting member (51) comprises a No. 1 plate (511) slidably connected to the linear guide rail (2), a No. 1 side plate (512) and a No. 2 side plate (513) arranged on the No. 1 plate (511) relative to each other, the No. 1 guide rail (53) being arranged on the No. 1 side plate (512), the No. 2 guide rail (54) being arranged on the No. 2 side plate (513), and the No. 1 mounting member (51) being fixedly arranged on the No. 1 plate (511). The No. 2 mounting member (52) comprises a fixed block (521) arranged on the driving mechanism (4) and driven by the driving mechanism (4), a No. 1 block (522) arranged on one side of the fixed block (521), and a No. 2 block (523) arranged on the other side of the fixed block (521), the No. 1 slot (501) being arranged on the No. 1 block (522), and the No. 2 slot (502) being arranged on the No. 2 block (523).

2. The installation drive device according to claim 1, characterized in that: The driving mechanism (4) comprises a screw nut pair (41), a motor arranged on the mounting frame (1) for driving the screw to rotate, and a screw seat (42) arranged on the mounting seat for mounting the screw, and the second mounting member (52) is fixedly mounted on the nut (411) of the screw nut pair (41).

3. The installation drive device according to claim 1, characterized in that: The fixed block (521) is provided with a first lateral groove for mounting a first block (522) and a second lateral groove for mounting a second block (523); the first lateral groove is provided with a first lateral protrusion (211); the second lateral groove is provided with a second lateral protrusion (212); the first block (522) is provided with a first groove engaged with the first lateral protrusion (211); the second block (523) is provided with a second groove engaged with the second lateral protrusion (212); the first block (522) is bolted to the fixed block (521); and the second block (523) is bolted to the fixed block (521).

4. The installation drive device according to claim 1, characterized in that: The installation frame (1) comprises a plurality of No. 1 profiles (11), a No. 2 profile (12) connected to the upper ends of the plurality of No. 1 profiles (11), and a No. 3 profile (13) connected to the lower ends of the plurality of No. 1 profiles (11).

5. The installation drive device according to claim 4, characterized in that: There are two linear guide rails (2), and the two linear guide rails (2) are respectively arranged on two sides of the installation frame (1).

6. The installation drive device according to claim 1, characterized in that: The mounting plate (3) is provided with weight-reducing holes (301).

7. The installation drive device according to claim 1, characterized in that: The floating gap (503) is no greater than 1 mm.

8. An installation driving method, using the installation driving device according to any one of claims 1 to 7, characterized in that: The mechanism to be driven (4) is fixed on the mounting plate (3), and the driving mechanism (4) drives the mounting plate (3) to slide along the linear guide rail (2). During the sliding process, the first guide rail (53) slides relatively along the first groove (501) to prevent the operation from being stuck, and the first mounting member (51) swings to make the second guide rail (54) float in the second groove (502), and the first guide rail (53) floats in the first groove (501), thereby preventing the operation from being stuck.

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