A high-performance single-sided double-layer linkage sliding door structure for machining centers

Abstract

This invention discloses a high-performance single-sided double-layer linkage sliding door structure for a machining center, including a gantry machining main frame and a linkage door assembly. A fixed frame is provided on the gantry machining main frame. The linkage door assembly includes a first moving door and a second moving door. The first moving door is connected to the second moving door via a first transmission assembly, and the second moving door is connected to the fixed frame via a second connecting assembly. A resistance element is driven by a drive assembly to switch between a blocking position and a release position. The drive assembly can drive the resistance element to the blocking position at any location. This invention provides a high-performance single-sided double-layer linkage sliding door structure for a machining center, achieving a larger opening and closing area, improving the functionality of the linkage door assembly, and enabling the first moving door to stop and be fixed at any position during opening, thus facilitating the opening and closing of the first moving door and greatly improving the functionality of the device.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of numerical control machine tools, in particular to a high-performance single-sided double-layer linkage sliding door structure of a machining center. BACKGROUND

[0002] As an important functional component of numerical control machine tools, off-bed protection has the functions of safety protection, precision maintenance, environmental protection, moisture prevention, etc., and is increasingly valued by machine tool manufacturers and end users. The moving door is usually a conventional protection of the machining center. The commonly used machining center is the gantry machining center. Since the gantry machining center is mainly used for machining large workpieces, its size occupies more space than other machining centers, and the design of the moving door is one of the important tasks of the gantry machining center.

[0003] The Chinese patent with the application number "202010111892.8" and the name "moving door device and gantry machining center machine tool" creatively combines the sliding door assembly and the telescopic assembly, not only providing a stable and convenient new protection linkage structure, but also meeting the horizontal and vertical movement linkage at the same time, and improving the safety and efficiency while improving the automation level.

[0004] The existing technology has the following disadvantages: the door body in the prior art is generally a single body, such as the above-mentioned patent. Since the machining center occupies a large volume, the single moving door in the prior art cannot meet the use requirements. For example, if the size of the moving door is increased, it is difficult to change the opening and closing size of the moving door according to the use requirements during actual use, which has certain limitations. SUMMARY

[0005] The purpose of the present application is to provide a high-performance single-sided double-layer linkage sliding door structure of a machining center to solve the above-mentioned problems in the prior art.

[0006] In order to achieve the above-mentioned purpose, the present application provides the following technical scheme:

[0007] A high-performance single-sided double-layer linkage sliding door structure of a machining center: comprising a gantry machining main body frame, further comprising a linkage door assembly movably arranged on the gantry machining main body frame, the gantry machining main body frame is provided with a fixed frame, the linkage door assembly comprises a first moving door and a second moving door, the first moving door is connected to the second moving door through a first transmission assembly, and the second moving door is drivingly connected to the fixed frame through a second connecting assembly;

[0008] The first connecting assembly is provided with a resistance element, which has a blocking position and a releasing position, in the blocking position, the resistance element blocks the movement of the first movable door, in the releasing position, the first movable door slides relative to the second movable door;

[0009] The resistance element is driven by a driving assembly to switch between the blocking position and the releasing position, and the driving assembly can drive the resistance element to be in the blocking position at any position.

[0010] In a further preferred embodiment of the present application, the second movable door is provided with a locking sliding groove, and the first transmission assembly is slidingly arranged in the locking sliding groove, and the friction resistance of the resistance element acts in the locking sliding groove.

[0011] In a further preferred embodiment of the present application, the first transmission assembly includes a first sliding block slidingly arranged in the locking sliding groove, and the first sliding block is connected to the first movable door by a driving assembly, and the resistance element is arranged in the first sliding block, and the driving assembly passes through the first sliding block and is connected to the resistance element block.

[0012] In a further preferred embodiment of the present application, the resistance element includes two locking blocks and a first guide block slidingly arranged on the first sliding block, one end of the first guide block is provided with a limiting guide column, the limiting guide column is inserted into a guide groove arranged on the locking block, a spring is arranged between the two locking blocks, under the elastic force of the spring, the friction block can contact the friction wall on the locking sliding groove, and when the driving assembly drives the limiting guide column to move, the friction block is separated from the friction wall through the guide action of the guide groove.

[0013] In a further preferred embodiment of the present application, the driving assembly includes a hinge rod rotatingly arranged on the first movable door and a transmission rod rotatingly arranged on the hinge rod, one end of the transmission rod is provided with a driving column, and a fixed sleeve is fixedly arranged on the driving column, one end of the driving column is inserted into the first guide block, and one end of the fixed sleeve abuts against the first guide block and can drive the first guide block to move.

[0014] In a further preferred embodiment of the present application, the first movable door and the second movable door are both L-shaped structures, and one end of the first movable door and the second movable door is respectively provided with a horizontal cover plate, and one end of the horizontal cover plate is slidingly arranged in a sliding rail arranged on the gantry machining main body frame.

[0015] As a further preferred scheme of the present application, the second connecting assembly comprises a second sliding block, and the second sliding block is slidingly arranged in a sliding groove formed in the fixed frame, and a resistance element of the second sliding block fixes the second sliding block in the sliding groove.

[0016] As a further preferred scheme of the present application, a second guide block is slidingly arranged in the second sliding block, and one end of the second guide block is fixedly arranged with a limiting guide column, and two locking blocks are further slidingly arranged on the second sliding block, and the limiting guide column is inserted into a guide groove formed in the locking block.

[0017] As a further preferred scheme of the present application, one end of the driving column can be inserted into the second guide block to drive the second guide block to move

[0018] The first guide block is provided with a blocking element, the blocking element comprises a hinged baffle rotatingly arranged on the first guide block, one end of the fixed sleeve is fixedly provided with a stop block, the stop block is blocked on the hinged baffle, a release groove adapted to the stop block is formed in the first guide block, one end of the release groove is provided with a curved groove in communication, and the other end of the curved groove is located at the position of the hinged baffle.

[0019] As a further preferred scheme of the present application, the second moving door is provided with a driving rack, and the driving column is provided with a transmission gear capable of engaging with the driving rack, when the driving rack and the transmission gear are engaged and driven, the fixed sleeve is rotated, and the stop block on the fixed sleeve is moved into the release groove.

[0020] In the above technical scheme, the machining center high-performance single-sided double-layer linkage sliding door structure provided by the present application has the following beneficial effects:

[0021] The present application sets the communication door assembly on the gantry machining main frame, and then sets the first transmission assembly and the second transmission assembly, so that the first moving door can move along the second moving door, and the second moving door can slide along the fixed frame, that is, the linkage sliding of multiple moving doors can be realized, that is, a larger opening and closing area is realized, the functionality of the linkage door assembly is improved, and through the resistance element and the driving assembly, the first moving door can be stopped and fixed at any position during opening, that is, the opening and closing of the first moving door is more convenient, and automatic positioning can be realized during opening and closing, so that the fixedness of the moving door at the position is ensured, that is, the functionality of the device is greatly improved.

[0022] It should be understood that the foregoing general description and the following detailed description are only exemplary and illustrative, but not for limiting the present disclosure.

[0023] This application file provides an overview of various implementations or examples of the technology described in this disclosure and is not intended to be a comprehensive or exhaustive disclosure of the technology. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art based on these drawings.

[0025] Figure 1 The overall structure schematic diagram of the machining center provided by the embodiment of the present application is shown in the figure.

[0026] Figure 2 The partial structure schematic diagram of the machining center provided by the embodiment of the present application is shown in the figure.

[0027] Figure 3 The three-dimensional structure schematic diagram of the first moving door and the second moving door provided by the embodiment of the present application is shown in the figure.

[0028] Figure 4 The structure schematic diagram of the first moving door and the second moving door and the fixed frame provided by the embodiment of the present application is shown in the figure.

[0029] Figure 5 The partial structure schematic diagram of the first moving door and the second moving door and the fixed frame provided by the embodiment of the present application is shown in the figure.

[0030] Figure 6 The cross-sectional structure schematic diagram of the first connecting assembly and the second connecting assembly provided by the embodiment of the present application is shown in the figure.

[0031] Figure 7 The exploded structure schematic diagram of the first connecting assembly provided by the embodiment of the present application is shown in the figure.

[0032] Figure 8 The structure schematic diagram of the first connecting assembly provided by the embodiment of the present application is shown in the figure.

[0033] Figure 9 The structure schematic diagram of the first sliding block provided by the embodiment of the present application is shown in the figure.

[0034] Figure 10 The enlarged structure schematic diagram of A provided by the embodiment of the present application is shown in the figure.

[0035] Figure 11 The cross-sectional structure schematic diagram of the first guide block provided by the embodiment of the present application is shown in the figure.

[0036] Figure 12 The structure schematic diagram of the first guide block and the limiting guide column provided by the embodiment of the present application is shown in the figure.

[0037] Figure 13 The structural schematic view of the second connecting assembly provided for the embodiment of the present application is shown in the figure;

[0038] Figure 14 The structural schematic view of the second sliding block provided for the embodiment of the present application is shown in the figure;

[0039] Figure 15 The structural schematic view of the passive locking assembly provided for the embodiment of the present application is shown in the figure.

[0040] Explanation of reference signs:

[0041] 1, gantry machining main frame; 11, fixed frame; 101, sliding rail; 2, first moving door; 201, locking sliding groove; 21, first sliding block; 211, first guide block; 212, locking block; 2121, guide groove; 2111, limiting guide column; 2112, plug-in groove; 2113, release groove; 2114, curved groove; 2115, hinged baffle; 22, hinged rod; 23, transmission rod; 24, handle; 241, sliding handle; 3, second moving door; 31, second sliding block; 311, second guide block; 312, sliding baffle rod; 32, drive rack; 301, sliding groove; 303, cross cover plate; 4, drive column; 41, transmission gear; 42, fixed sleeve; 421, stop block; 401, groove; 3121, first drive rod; 3123, second drive rod; 3122, sliding groove; 3124, extrusion block; 3125, extrusion spring. DETAILED DESCRIPTION

[0042] To make the purpose, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions of the embodiments of the present disclosure will be described clearly and completely below with reference to the drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without any inventive effort fall within the scope of protection of the present disclosure.

[0043] Please refer to 1-15, a high-performance single-sided double-layer linkage sliding door structure of a machining center, comprising a gantry machining main frame 1, further comprising a linkage door assembly movably arranged on the gantry machining main frame 1, the gantry machining main frame 1 being provided with a fixed frame 11, the linkage door assembly comprising a first moving door 2 and a second moving door 3, the first moving door 2 being connected to the second moving door 3 through a first transmission assembly, and the second moving door 3 being drivingly connected to the fixed frame 11 through a second connecting assembly;

[0044] The first connecting assembly is provided with a resistance element, which has a blocking position and a releasing position.

[0045] The resistance element is driven by the driving assembly to switch between the blocking position and the releasing position, and the driving assembly can drive the resistance element to be in the blocking position at any position.

[0046] The first movable door 2 can move along the second movable door 3, and the second movable door 3 can slide along the fixed frame 11, that is, the linkage sliding of multiple movable doors is realized, a larger opening area is realized, the functionality of the linkage door assembly is improved, the first movable door 2 can be stopped and fixed at any position during opening, the opening and closing of the first movable door 2 is more convenient, automatic positioning is realized during opening and closing, the movables door can be fixed at the position, and the functionality of the device is greatly improved.

[0047] Further, the second movable door 3 is provided with a locking sliding groove 201, the first transmission assembly is slidingly arranged in the locking sliding groove 201, the friction resistance of the resistance element acts in the locking sliding groove 201, the first transmission assembly comprises a first sliding block 21 slidingly arranged in the locking sliding groove 201, the first sliding block 21 is connected to the first movable door 2 through the driving assembly, the resistance element is arranged in the first sliding block 21, and the driving assembly passes through the first sliding block 21 and is connected to the resistance element block.

[0048] In the further provided embodiment of the present application, the resistance element comprises two locking blocks 212 and a first guide block 211 slidingly arranged on the first sliding block 21, one end of the first guide block 211 is provided with a limiting guide column 2111, the limiting guide column 2111 is inserted into a guide groove 2121 arranged on the locking block 212, a spring is arranged between the two locking blocks 212, under the elastic force of the spring, the friction block can be in contact with the friction wall on the locking sliding groove 201, and when the driving assembly drives the limiting guide column 2111 to move, the friction block is separated from the friction wall through the guiding effect of the guide groove 2121. Specifically, when the driving assembly drives the limiting guide column 2111 to move, the friction block is separated from the friction wall through the guiding effect of the guide groove 2121, and then the first sliding block 21 can slide along the locking sliding groove 201, that is, the position of the first movable door 2 can be adjusted.

[0049] The application further provides the embodiment that the driving assembly comprises a hinged rod 22 rotatably arranged on the first movable door 2 and a transmission rod 23 rotatably arranged on the hinged rod 22, one end of the transmission rod 23 is rotatably arranged with the driving column 4, and the driving column 4 is fixedly arranged with the fixed sleeve 42; one end of the driving column 4 is inserted into the first guide block 211, and one end of the fixed sleeve 42 abuts against the first guide block 211 and can drive the first guide block 211 to move.

[0050] The application further provides the embodiment that the first movable door 2 and the second movable door 3 are both L-shaped structures, and one end of the first movable door 2 and the second movable door 3 is respectively arranged with the horizontal cover plate 303, and one end of the horizontal cover plate 303 is respectively slidably arranged in the sliding rail 101 arranged on the gantry machining main frame 1.

[0051] The application further provides the embodiment that the second connecting assembly comprises the second sliding block 31, the second sliding block 31 is slidably arranged in the sliding groove 301 arranged on the fixed frame 11, and the resistance element of the second sliding block 31 fixes the second sliding block 31 in the sliding groove 301.

[0052] The application further provides the embodiment that the second sliding block 31 is slidably arranged with the second guide block 311, one end of the second guide block 311 is fixedly arranged with the limiting guide column 2111, and the second sliding block 31 is further slidably arranged with the two locking blocks 212, and the limiting guide column 2111 is inserted into the guide groove 2121 arranged on the locking block 212.

[0053] The application further provides the embodiment that one end of the driving column 4 can be inserted into the second guide block 311 and drive the second guide block 311 to move

[0054] The first guide block 211 is arranged with the partition element, the partition element comprises the hinged baffle 2115 rotatably arranged on the first guide block 211, one end of the fixed sleeve 42 is fixedly arranged with the blocking block 421, the blocking block 421 is partitioned on the hinged baffle 2115, the first guide block 211 is arranged with the release groove 2113 matched with the blocking block 421, one end of the release groove 2113 is arranged with the curved groove 2114 in communication, and the other end of the curved groove 2114 is located at the position of the hinged baffle 2115;

[0055] The application further provides the following embodiment. The second movable door 3 is provided with a driving rack 32, and the driving column 4 is provided with a transmission gear 41 capable of engaging with the driving rack 32. When the driving rack 32 and the transmission gear 41 are engaged and driven, the fixed sleeve 42 is driven to rotate, and the stop block 421 on the fixed sleeve 42 is moved into the release groove 2113.

[0056] The application has the following structure. When the driving rack 32 and the transmission gear 41 are engaged and driven, that is, the driving column 4 is inserted into the second guide block 311 and drives the second guide block 311 to move synchronously.

[0057] Specifically, in order to facilitate the driving column 4 to be inserted into the second guide column without being separated, the second sliding block 31 is provided with a passive locking assembly. The passive locking assembly includes a sliding stop rod 312 slidingly arranged on the second guide block 311 and a first driving rod 3121 rotatably arranged on the second sliding block 31. One end of the first driving rod 3121 is rotatably provided with a second driving rod 3123. The passive locking assembly further includes an extrusion block 3124 slidingly arranged on the second sliding block 31. One end of the extrusion block 3124 is inserted into a sliding groove 3122 formed on the second driving rod 3123. In the initial state, the extrusion block 3124 is extruded on the fixed frame 11, so that the two sliding stop rods 312 are retracted into the second guide block 311. The driving column 4 moves transversely into the second guide block 311, and drives the second guide block 311 and the second sliding block 31 to move. The extrusion block 3124 is provided with an extrusion spring 3125 on the outside. One end of the extrusion spring 3125 abuts against the second guide block 311, and then is extruded out under the elastic force of the elastic member arranged inside the extrusion column when the extrusion column does not contact the fixed frame 11. The sliding stop rod 312 and the second guide block 311 are provided with a spring therebetween, and the sliding block is extruded out of the second guide block 311 under the elastic force of the spring.

[0058] That is, the second connecting assembly of the present application is matched with the first connecting assembly, so that the first movable door 2 can be stopped and fixed at any position, and the opening and closing of the first movable door 2 is more convenient, and the automatic positioning can be realized during the opening and closing process, so that the first movable door is fixed at the position, that is, the functionality of the device is greatly improved, and when the second movable door 3 is opened, the driving force of the driving assembly can be automatically transmitted to the second guide block 311 through the first guide block 211, and then used to drive the second guide block 311 and the second sliding block 31 connected with the second guide block 311 to slide, that is, the second movable door 3 connected with the second guide block 311 can be moved, and then the driving assembly can be driven to select the size of the opened door according to the use requirement, and then the position of the door is controlled and fixed, so that the opened door cannot slide left and right, not only the position of the door can be controlled, but also the door can be quickly locked, so that the use effect of the first movable door 2 and the second movable door 3 is greatly improved.

[0059] Further, the driving assembly further comprises a handle 24 fixedly arranged on the first movable door 2 and a sliding handle 241 slidably arranged on the handle 24, and a rod connected to one end of the sliding handle 241 is movably connected with the hinge rod 22, that is, when the door is adjusted, the sliding handle 241 can be slid into the handle 24 by holding the sliding handle 241, and then the hinge rod 22 can be driven to move.

[0060] When the first sliding door 2 is adjusted, the first sliding door 2 is opened after being closed, first, the sliding handle 241 is held, the sliding handle 241 is driven to slide into the handle 24, then the hinged rod 22 is driven to move, the hinged rod 22 is driven to move along the hinged shaft, the transmission rod 23 is driven to move to the direction of the second sliding door 3, the stop block 421 on the fixed sleeve 42 connected to the transmission rod 23 is abutted on the hinged stop plate 2115 arranged on the first guide block 211, then continuous movement will extrude the first guide block 211 to move to the direction of the locking block 212, then the limiting guide column 2111 gradually extrudes the guide groove 2121, then the two locking blocks 212 gradually move to the direction of the first guide block 211, the surface of the two locking blocks 212 is separated from the inner wall of the locking sliding groove 201, that is, the inner wall of the locking sliding groove 201, that is, the locking is released at this time, then the first sliding block 21 can slide along the locking sliding groove 201, the first sliding door 2 can be opened, then when stopping at any position, the force on the sliding handle 241 is released, the stop block 421 on the fixed sleeve 42 is separated from the first guide block 211, then the two locking blocks 212 move to the friction wall of the locking sliding groove 201 under the elastic force of the spring between them, that is, the locking can be quickly realized.When the second moving door 3 needs to be opened, the first moving door 2 is continuously moved, and then the driving column 4 is gradually moved towards the second guide block 311, and during the movement, the driving rack 32 is engaged with the transmission gear 41 to drive the fixed sleeve 42 to rotate, and the blocking block 421 on the fixed sleeve 42 is moved into the release groove 2113, at this time, the driving rack 32 and the transmission gear 41 are always engaged, that is, the power of the driving column 4 no longer acts on the first guide block 211, and then with continuous movement, the end of the driving column 4 enters the second guide block 311, and then continuous movement, the driving column 4 gradually extrudes the inclined surface inside the second guide block 311, and then gradually extrudes the first guide block to move inward, that is, the second guide column can extrude the locking block 212 located in the second sliding block 31 to disengage the friction wall and then drive the second moving door 3 to move along the direction of the fixed frame 11, as described above, after moving to any position, the sliding handle 241 is released, and when the second sliding block 31 moves, the extrusion block 3124 gradually disengages the side wall of the fixed frame 11, and then rebounds under the elastic force of the extrusion spring 3125, and the sliding block 312 is also ejected under the elastic force of the spring, that is, it can limit the driving column 4 from disengaging the second guide block 311, when the first moving door 2 and the second moving door 3 need to be pulled back, when the second sliding block 31 passes through the fixed frame 11, the extrusion block 3124 will be extruded on the fixed frame 11, and under the extrusion of the inclined edge of the extrusion block 3124, the sliding block 312 can be retracted into the second guide block 311, and then the locking of the driving column 4 is released, and then the driving column 4 disengages the second guide column, and then the driving rack 32 disengages the transmission gear 41, that is, the driving column 4 rotates, that is, the blocking block 421 on the fixed sleeve 42 moves along the curved groove 2114, and then finally moves to the position of the hinged baffle 2115, and then makes the hinged baffle 2115 rotate, and finally makes the blocking block 421 abut against the hinged baffle 2115, that is, the power of the driving is again abutted against the first guide block 211 through the blocking block 421, and extrudes the first guide block 211, and then the sliding handle 241 is released.

[0061] The foregoing merely illustrates some exemplary embodiments of the present application, no doubt numerous modifications can be made by those skilled in the art without departing from the spirit and scope of the present application. Therefore, the above drawings and descriptions should not be understood as limiting the scope of the present application.

Claims

1. A high-performance single-sided double-layer linkage sliding door structure of a machining center, characterized in that: The application relates to a gantry machining main frame (1) and a linkage door assembly movably arranged on the gantry machining main frame (1), wherein the gantry machining main frame (1) is provided with a fixed frame (11), the linkage door assembly comprises a first movable door (2) and a second movable door (3), the first movable door (2) is connected to the second movable door (3) through a first transmission assembly, and the second movable door (3) is drivingly connected to the fixed frame (11) through a second connecting assembly. A resistance element is arranged on the first connecting assembly, the resistance element has a blocking position and a release position, in the blocking position, the resistance element blocks the movement of the first movable door (2), in the release position, the first movable door (2) slides relative to the second movable door (3). The resistance element is driven by a driving assembly to realize the switching of the resistance element between the blocking position and the release position, and the driving assembly can drive the resistance element to be located on the blocking position at any position. A locking sliding groove (201) is arranged on the second movable door (3), the first transmission assembly is slidingly arranged in the locking sliding groove (201), and the friction resistance of the resistance element acts on the locking sliding groove (201). The first transmission assembly comprises a first sliding block (21) slidingly arranged in the locking sliding groove (201), the first sliding block (21) is connected to the first movable door (2) through a driving assembly, the resistance element is arranged in the first sliding block (21), and the driving assembly penetrates through the first sliding block (21) and is connected to the resistance element. The resistance element comprises two locking blocks (212) and a first guide block (211) slidingly arranged on the first sliding block (21), one end of the first guide block (211) is provided with a limiting guide column (2111), the limiting guide column (2111) is inserted into a guide groove (2121) arranged on the locking block (212), a spring is arranged between the two locking blocks (212), under the elastic force of the spring, the locking block (212) can be in contact with a friction wall on the locking sliding groove (201), and when the driving assembly drives the limiting guide column (2111) to move, the locking block (212) is separated from the friction wall through the guiding action of the guide groove (2121). The driving assembly comprises a hinge rod (22) rotationally arranged on the first movable door (2) and a transmission rod (23) rotationally arranged on the hinge rod (22), one end of the transmission rod (23) is rotationally provided with a driving column (4), a fixed sleeve (42) is fixedly arranged on the driving column (4), one end of the driving column (4) is inserted into the first guide block (211), one end of the fixed sleeve (42) abuts against the first guide block (211), and the first guide block (211) can be driven to move.

2. The high-performance single-sided double-layer linkage sliding door structure of a machining center according to claim 1, characterized in that, The first mobile door (2) and the second mobile door (3) are both L-shaped structures, and one end of the first mobile door (2) and the second mobile door (3) is respectively provided with a horizontal cover plate (303), and one end of the horizontal cover plate (303) is respectively slidably arranged in a sliding rail (101) formed in the gantry machining main frame (1).

3. The high-performance single-sided double-layer linkage sliding door structure of a machining center according to claim 1, characterized in that, The second connecting assembly comprises a second sliding block (31), and the second sliding block (31) is slidably arranged in a sliding groove (301) formed in the fixed frame (11), and a resistance element of the second sliding block (31) fixes the second sliding block (31) in the sliding groove (301).

4. The high-performance single-sided double-layer linkage sliding door structure of a machining center according to claim 3, characterized in that, The second sliding block (31) slidably comprises a second guide block (311), and one end of the second guide block (311) is fixedly provided with a limiting guide column (2111), and two locking blocks (212) are also slidably arranged on the second sliding block (31), and the limiting guide column (2111) is inserted into a guide groove (2121) formed in the locking block (212).

5. The high-performance single-sided double-layer linkage sliding door structure of a machining center according to claim 4, characterized in that, One end of the driving column (4) can be inserted into the second guide block (311) to drive the second guide block (311) to move The first guide block (211) is provided with a partitioning element, the partitioning element comprises a hinged baffle (2115) rotatably arranged on the first guide block (211), and one end of the fixed sleeve (42) is fixedly provided with a stop block (421), and the stop block (421) is partitioned on the hinged baffle (2115), and the first guide block (211) is provided with a release groove (2113) matched with the stop block (421), and one end of the release groove (2113) is provided with a curved groove (2114) in communication, and the other end of the curved groove (2114) is located at the position of the hinged baffle (2115).

6. The high-performance single-sided double-layer linkage sliding door structure of a machining center according to claim 5, characterized in that, The second mobile door (3) is provided with a driving rack (32), and the driving column (4) is provided with a transmission gear (41) capable of engaging with the driving rack (32), when the driving rack (32) and the transmission gear (41) are engaged and driven, the fixed sleeve (42) is rotated, and the stop block (421) on the fixed sleeve (42) is moved into the release groove (2113).

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