Multi-level power distribution cabinet of numerical control machine tool

Abstract

The invention relates to the technical field of power distribution cabinets, and discloses a numerical control machine tool multi-layer power distribution cabinet which comprises a power distribution cabinet body, a front cabinet door is installed on the front side of the power distribution cabinet body, a threading hole is formed in the bottom of the power distribution cabinet body, and an adjusting assembly is arranged on the inner side of the power distribution cabinet body. Four positioning assemblies are arranged on the inner wall of one side of the power distribution cabinet body, each adjusting assembly comprises a partition plate fixedly installed on the inner side, close to the rear side, of the power distribution cabinet body, movable openings are formed in the interiors of the two sides of each partition plate respectively, and five U-shaped fixing sleeves are arranged on the inner sides of the two movable openings respectively; wiring boards are fixedly arranged on the inner sides of the two parallel and corresponding U-shaped fixing sleeves in the two movable ports, and a plurality of board ports are formed in the wiring boards. According to the multi-layer power distribution cabinet of the numerical control machine tool, the space between the two sets of wiring boards is expanded, so that electrical elements on the wiring boards can be conveniently detected or maintained.

Description

Technical Field

[0001] The invention relates to the technical field of power distribution cabinets, and in particular to a multi-level power distribution cabinet for a numerically controlled machine tool. Background Art

[0002] The power distribution cabinet is an important device for power distribution, control and protection. Its main functions include distributing power, controlling power and protecting electrical appliances. The power distribution cabinet receives power from the main distribution line, distributes the power to various electrical devices through branch circuits, and adjusts the power supply by controlling the connection and disconnection of the power supply to ensure the normal operation of the electrical equipment. In addition, the power distribution cabinet can also be equipped with overvoltage, undervoltage, overcurrent and other protection devices. Once an abnormal situation occurs, the power supply will be automatically disconnected to protect the electrical equipment.

[0003] For example, a new type of power distribution cabinet with patent number CN107370045A includes at least two power distribution cabinet bodies, at least two power distribution cabinet bodies are connected from top to bottom through locks, and the power distribution cabinet body located at the bottom is provided with a placement plate that is inclined to the ground and retractable at the connection; the lock includes a movable end lock and a fixed end lock, and there are multiple pairs of movable end locks and fixed end locks, and they are respectively arranged at the connection between each two power distribution cabinet bodies; a layer of heat insulation board is arranged on the inner wall of each power distribution cabinet body, and an interlayer board is arranged horizontally in each power distribution cabinet body, and each power distribution cabinet body is also provided with a power distribution cabinet door, an electromagnetic lock is installed on the power distribution cabinet door, and a micro-touch switch corresponding to the electromagnetic lock is installed on the power distribution cabinet body. The present invention ensures the quality and precision of the cabinet body, facilitates the factory to realize pre-production, shortens the production cycle, improves work efficiency, and prolongs service life; its structure is stable, easy to disassemble, reduces costs, and has good air permeability and exhaust performance.

[0004] The above-mentioned device effectively makes full use of the space in the distribution cabinet by setting up a multi-level partition board structure. However, the distance between the multi-level distribution boards is fixed. Therefore, when the subsequent staff operates between the two-level distribution boards, the limited space size is likely to cause inconvenience in operation and is not convenient for the staff to observe during operation. Summary of the invention

[0005] The main purpose of the present invention is to provide a multi-level power distribution cabinet for a CNC machine tool, which can effectively solve the problems in the background technology.

[0006] To achieve the above object, the technical solution adopted by the present invention is: A multi-level power distribution cabinet for numerical control machine tools, comprising a power distribution cabinet body, a front cabinet door is installed on the front side of the power distribution cabinet body, a threading hole is opened at the bottom of the power distribution cabinet body, an adjustment component is arranged on the inner side of the power distribution cabinet body, four groups of positioning components are arranged on the inner wall position of one side of the power distribution cabinet body, the adjustment component comprises a partition fixedly installed on the inner side of the power distribution cabinet body near the rear side, movable openings are respectively opened inside the two sides of the partition, five groups of U-shaped fixing sleeves are respectively arranged on the inner sides of the two groups of movable openings, wiring trays are fixedly arranged on the inner sides of two groups of U-shaped fixing sleeves corresponding to the two groups of movable openings, a plurality of groups of tray openings are opened inside the wiring tray, and a fixing strip is fixedly arranged on the rear end of the U-shaped fixing sleeve , a connecting shaft 1 is fixedly provided at one end of the rear side of the fixing bar, a connecting shaft 2 is fixedly provided at one end of the fixing bar near the front side of the connecting shaft 1, a fixed shaft sleeve 1 is fixedly provided at the position corresponding to the connecting shaft 2 at the rear end of the partition, two groups of fixed shaft sleeves 2 are fixedly provided between the two vertically adjacent groups of fixed shaft sleeves 1 at the rear end of one side of the partition, threaded sleeve rods are rotatably provided on the inner sides of the two groups of fixed shaft sleeves 2, and threaded rods are movably provided on the inner sides of the threaded sleeve rods, two groups of limiting plates are fixedly provided on the rear side of the threaded rod, a round sleeve is provided on the outer side of the threaded rod near the position of the limiting plate, a connecting shaft 3 is fixedly provided on one side of the round sleeve, and two groups of connecting rods are provided between the connecting shaft 3 and the two groups of connecting shafts 1 adjacent to the upper and lower sides.

[0007] Preferably, the positioning assembly includes a positioning sleeve fixedly installed at the front end of one side of the distribution cabinet body, a slide cylinder is slidably provided on the inner side of the positioning sleeve, a U-shaped limit sleeve is fixedly provided on one end of the slide cylinder, a pull ring is movably provided on the other side of the slide cylinder, a slide groove is provided inside the slide cylinder, a button block is movably provided on the inner side of the slide groove, a T-shaped push block is fixedly provided near the middle position at one end of the button block, and a return spring is fixedly provided near the upper and lower sides of the T-shaped push block at one end of the button block, a guide piece is fixedly provided between the T-shaped push block and the inner wall of one side of the slide groove, and blocks are movably sleeved on the outer sides of the two groups of guide pieces inside the slide cylinder, and connecting ports are respectively provided on the inner sides of the two groups of the blocks, and slot openings are respectively provided on the upper and lower sides of the inner wall of the positioning sleeve corresponding to the blocks.

[0008] Preferably, the U-shaped fixing sleeve movably passes through the inner side of the movable opening, and the five groups of wiring trays are evenly distributed vertically.

[0009] Preferably, the fixing strip is matched with the movable opening, the second connecting shaft is movably arranged at the inner side of the first fixed shaft sleeve, and the second connecting shaft and the threaded sleeve are located on the same straight line.

[0010] Preferably, the threaded rod and the threaded sleeve are threadedly connected, the threaded rod passes through the interior of the movable opening to the front position, and the circular sleeve is movably arranged between the two groups of limiting plates.

[0011] Preferably, the slide cylinder moves through the inner wall of the power distribution cabinet body, and the four groups of U-shaped limit sleeves correspond to the positions of the four groups of threaded rods respectively.

[0012] Preferably, one side of the pull ring and the button block is located outside the main body of the power distribution cabinet, the button block and the slide cylinder are slidingly arranged, and the two groups of guide plates and the two groups of card blocks are mirror-symmetrically arranged.

[0013] Preferably, one side of the guide piece is located inside the connection port, the middle portion of the guide piece is inclined, and the clamping block is engaged with the clamping slot.

[0014] Compared with the prior art, the present invention has the following beneficial effects: Through the use of designed multi-level distribution boards and distribution ports, the isolation distance is increased and the mutual interference between electrical components is reduced. The internal electrical components and wiring adopt a compact layout, which not only saves space but also improves overall safety and reliability.

[0015] When the staff needs to perform installation, disassembly, inspection and other operations on the inside, they can first determine which layer of the wiring board has a fault, keep the positioning components of the corresponding layer locked, and then unlock the other positioning components. By pressing the button block toward the inside of the slide slot, the T-shaped push block is pushed to squeeze the reset spring, and the two groups of guide plates respectively enter the two groups of connection ports opened in the two groups of blocks, and the two groups of guide plates set at an angle will make the two groups of blocks close together, and the two groups of blocks leave the inside of the two groups of slots respectively, and then pull the slide and U-shaped limit sleeve toward the outside of the distribution cabinet body to make the U-shaped limit sleeve leave the outside of the threaded rod, thereby releasing the activities of several groups of wiring boards. With the use of the adjustment component, several groups of wiring boards are synchronously tilted and unfolded with the center of the unlocked wiring board upward and downward, which is convenient for the staff to observe the inside while avoiding mutual interference between the electrical elements of the wiring boards.

[0016] For one layer of wiring board that is not unlocked, by rotating the threaded rod and cooperating with the threaded connection of the threaded sleeve rod, the threaded rod moves rearward, and the two groups of connecting rods connected by the connecting shaft three are pushed to rotate along the two groups of connecting shafts one respectively, and the two groups of connecting rods will pull the two groups of fixed bars and the two groups of U-shaped fixing sleeves to rotate along the two groups of fixed shaft sleeves one, so that the two groups of wiring boards fixedly connected by the two groups of U-shaped fixing sleeves are respectively expanded upward and downward, and the space between the two groups of wiring boards is expanded to facilitate the inspection or maintenance of electrical components on the wiring board. At the same time, the two groups of connecting shafts one respectively pull the wiring boards connected to the rear sides of other wiring boards to make them rotate synchronously, and by unlocking or locking several groups of positioning components, the space between any two groups of wiring boards can be expanded and unfolded, which is convenient for the staff to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a schematic diagram of the overall front view structure of a multi-level power distribution cabinet for a CNC machine tool according to the present invention; Figure 2 This is a schematic diagram of the front internal structure of a multi-level power distribution cabinet for a CNC machine tool according to the present invention; Figure 3 It is a schematic diagram of the internal structure of a multi-level power distribution cabinet for a CNC machine tool according to the present invention; Figure 4 for Figure 2 A schematic diagram of the enlarged structure of the middle part A; Figure 5 for Figure 3 The enlarged structural diagram of the middle B part; Figure 6 The schematic diagram of the local structure of the adjustment component of the multi-level power distribution cabinet of a CNC machine tool of the present invention is shown in FIG. Figure 1 ; Figure 7 The schematic diagram of the local structure of the adjustment component of the multi-level power distribution cabinet of a CNC machine tool of the present invention is shown in FIG. Figure 2 ; Figure 8 The present invention is a schematic diagram of the internal structure of a positioning component of a multi-level power distribution cabinet for a CNC machine tool.

[0018] In the figure: 1. power distribution cabinet body; 2. front cabinet door; 3. threading hole; 4. adjustment component; 41. partition; 42. movable port; 43. U-shaped fixing sleeve; 44. wiring board; 45. plate mouth; 46. fixing strip; 47. connecting shaft one; 48. connecting shaft two; 49. fixing shaft sleeve one; 410. fixing shaft sleeve two; 411. threaded sleeve rod; 412. threaded rod; 413. limiting plate; 414. round sleeve; 415. connecting shaft three; 416. connecting rod; 5. positioning component; 51. positioning sleeve; 52. slide cylinder; 53. U-shaped limiting sleeve; 54. pull ring; 55. slide groove; 56. button block; 57. T-type push block; 58. reset spring; 59. guide plate; 510. card block; 511. connecting port; 512. card slot. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be clearly and completely described below in combination with the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are relative relationships of directions or positions, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0021] See also Figure 1-Figure 8 An embodiment of the present invention is as follows: a multi-level power distribution cabinet for a numerically controlled machine tool comprises a power distribution cabinet body 1, a front cabinet door 2 is installed on the front side of the power distribution cabinet body 1, a threading hole 3 is provided at the bottom of the power distribution cabinet body 1, an adjustment component 4 is provided on the inner side of the power distribution cabinet body 1, four groups of positioning components 5 are provided on the inner wall of one side of the power distribution cabinet body 1, the adjustment component 4 comprises a partition 41 fixedly installed on the inner side of the power distribution cabinet body 1 near the rear side, movable openings 42 are respectively provided on both sides of the partition 41, five groups of U-shaped fixing sleeves 43 are respectively provided on the inner sides of the two groups of movable openings 42, a wiring tray 44 is fixedly provided on the inner sides of two groups of U-shaped fixing sleeves 43 corresponding to the two groups of movable openings 42, a plurality of groups of tray openings 45 are provided inside the wiring tray 44, a fixing strip 46 is fixedly provided on the rear end of the U-shaped fixing sleeve 43, and a fixing strip 46 is provided on the rear side of the fixing strip 46 A connecting shaft 1 47 is fixedly provided at one end, a connecting shaft 2 48 is fixedly provided at one end of the fixing bar 46 near the front side of the connecting shaft 1 47, a fixed shaft sleeve 1 49 is fixedly provided at the rear end of the partition 41 corresponding to the position of the connecting shaft 2 48, two groups of fixed shaft sleeves 2 410 are fixedly provided between the two vertically adjacent groups of fixed shaft sleeves 1 49 at the rear end of one side of the partition 41, a threaded sleeve 411 is rotatably provided on the inner side of the two groups of fixed shaft sleeves 2 410, a threaded rod 412 is movably provided on the inner side of the threaded sleeve 411, two groups of limiting plates 413 are fixedly provided on the rear side of the threaded rod 412, a round sleeve 414 is sleeved on the outer side of the threaded rod 412 near the position of the limiting plate 413, a connecting shaft 3 415 is fixedly provided on one side of the round sleeve 414, and two groups of connecting rods 416 are sleeved between the connecting shaft 3 415 and the two groups of connecting shafts 1 47 adjacent to the upper and lower sides.

[0022] The U-shaped fixing sleeve 43 is movably passed through the inner side of the movable opening 42, and the five groups of wiring disks 44 are vertically and evenly distributed. The fixing strip 46 is adapted to the movable opening 42, and the connecting shaft 2 48 is movably set on the inner side of the fixing shaft sleeve 1 49. The connecting shaft 2 48 and the threaded sleeve rod 411 are located on the same straight line, and the threaded rod 412 is threadedly connected to the threaded sleeve rod 411. The threaded rod 412 passes through the inside of the movable opening 42 to the front position, and the round sleeve 414 is movably set between the two groups of limit plates 413.

[0023] The multi-layer wiring tray 44 and the tray opening 45 are used together to increase the isolation distance and reduce the mutual interference between the electrical components. The internal electrical components and wiring are arranged in a compact layout, which not only saves space but also improves the overall safety and reliability. The unlocked wiring tray 44 is connected to the threaded rod 412 by rotating the threaded rod 412 and cooperating with the threaded connection of the threaded sleeve rod 411. The threaded rod 412 moves to the rear side, and the two groups of connecting rods 416 connected by the connecting shaft 3 415 are pushed to rotate along the two groups of connecting shafts 1 47 respectively, and the two groups of connecting rods 416 will pull the two groups of fixed bars 416 connected. 6. The two sets of U-shaped fixing sleeves 43 rotate along the two sets of fixed shaft sleeves 49, so that the two sets of wiring trays 44 fixedly connected by the two sets of U-shaped fixing sleeves 43 are respectively expanded upward and downward, and the space between the two sets of wiring trays 44 is expanded to facilitate the inspection or maintenance of electrical components on the wiring trays 44. At the same time, the two sets of connecting shafts 47 respectively pull the wiring trays 44 connected to the rear side of other wiring trays 44 to make them rotate synchronously. In conjunction with the unlocking or locking of several sets of positioning components 5, the space between any two sets of wiring trays 44 can be expanded and unfolded, which is convenient for the staff to use.

[0024] The positioning assembly 5 includes a positioning sleeve 51 fixedly installed at the front end of one side of the distribution cabinet body 1, a slide cylinder 52 is slidably arranged on the inner side of the positioning sleeve 51, a U-shaped limit sleeve 53 is fixedly arranged on one end of the slide cylinder 52, a pull ring 54 is movably arranged on the other side of the slide cylinder 52, a slide groove 55 is provided inside the slide cylinder 52, a button block 56 is movably provided on the inner side of the slide groove 55, a T-shaped push block 57 is fixedly provided near the middle position at one end of the button block 56, a return spring 58 is fixedly provided at the upper and lower positions of the T-shaped push block 57 at one end of the button block 56, a guide piece 59 is fixedly provided between the T-shaped push block 57 and the inner wall of one side of the slide groove 55, a card block 510 is movably sleeved on the outer side of the two groups of guide pieces 59 inside the slide cylinder 52, a connecting port 511 is respectively provided on the inner side of the two groups of card blocks 510, and a card slot 512 is respectively provided on the upper and lower sides of the inner wall of the positioning sleeve 51 corresponding to the card block 510.

[0025] The slide 52 moves through the inner wall of the distribution cabinet body 1, and the four groups of U-shaped limit sleeves 53 correspond to the positions of the four groups of threaded rods 412 respectively. The pull ring 54 and one side of the button block 56 are located on the outside of the distribution cabinet body 1. The button block 56 and the slide 52 are slidingly arranged. The two groups of guide plates 59 and the two groups of clamping blocks 510 are mirror-symmetrically arranged. One side of the guide plate 59 is located on the inner side of the connecting port 511, and the middle part of the guide plate 59 is inclined. The clamping block 510 is engaged with the clamping slot 512.

[0026] When the staff needs to perform installation, disassembly, inspection and other operations on the inside, they can first determine which layer of the wiring board 44 on which the electronic components installed are faulty, keep the corresponding layer of the positioning assembly 5 locked, and then unlock the other positioning assemblies 5, by pressing the button block 56 to the inside of the slide groove 55, pushing the T-shaped push block 57 to squeeze the reset spring 58, and the two groups of guide pieces 59 respectively enter the two groups of connection ports 511 opened in the two groups of card blocks 510, and the two groups of guide pieces 59 set obliquely will make the two groups of The two groups of clamping blocks 510 are brought together, and the two groups of clamping blocks 510 leave the inner sides of the two groups of clamping slots 512 respectively. Then the slide cylinder 52 and the U-shaped limiting sleeve 53 are pulled toward the outside of the distribution cabinet body 1 to make the U-shaped limiting sleeve 53 leave the outer side of the threaded rod 412, thereby releasing the activities of the several groups of wiring trays 44. With the use of the adjustment component 4, the several groups of wiring trays 44 are synchronously tilted and unfolded with the center of the unlocked wiring trays 44 tilted upward and downward respectively, so that the staff can observe the inside conveniently while avoiding mutual interference between the electrical elements of the wiring trays 44.

[0027] Working principle: When in use, the multi-layered wiring tray 44 and the tray opening 45 are used together to increase the isolation distance and reduce the mutual interference between the electrical components. The internal electrical components and wiring are arranged in a compact manner, which not only saves space but also improves the overall safety and reliability. When the staff needs to install, disassemble, or perform inspections on the inside, they can first determine which layer of the wiring tray 44 has a fault, keep the corresponding positioning component 5 locked, and then unlock the other positioning components 5, and then push them into the slide slot 55. The button block 56 is pressed from the side to push the T-shaped push block 57 to squeeze the reset spring 58, and the two groups of guide pieces 59 respectively enter the two groups of connection ports 511 opened in the two groups of card blocks 510, and the two groups of guide pieces 59 set obliquely will make the two groups of card blocks 510 close together, and the two groups of card blocks 510 will leave the inner sides of the two groups of card slots 512 respectively, and then the slide 52 and the U-shaped limit sleeve 53 are pulled toward the outside of the power distribution cabinet body 1 to make the U-shaped limit sleeve 53 leave the outside of the threaded rod 412, so as to release the activities of the several groups of wiring trays 44, and cooperate with the use of the adjustment component 4, the several groups of wiring trays 44 can be The panels 44 are respectively tilted upward and downward synchronously with the center of the unlocked wiring panel 44, so that the staff can observe the inside and avoid the interference of the electrical components between the wiring panels 44; in addition, the unlocked wiring panel 44 is rotated by rotating the threaded rod 412, which is connected with the threaded connection of the threaded sleeve rod 411, and the threaded rod 412 moves to the rear side, and the two groups of connecting rods 416 connected by the connecting shaft 3 415 are pushed to rotate along the two groups of connecting shafts 1 47 respectively, and the two groups of connecting rods 416 will pull the two groups of fixed bars 46 and the two groups of U-shaped fixed sleeves 43 along As the two sets of fixed shaft sleeves 49 rotate, the two sets of wiring trays 44 fixedly connected by the two sets of U-shaped fixing sleeves 43 are respectively expanded upward and downward, thereby expanding the space between the two sets of wiring trays 44 to facilitate the inspection or maintenance of electrical components on the wiring trays 44. At the same time, the two sets of connecting shafts 47 respectively pull the wiring trays 44 connected to the rear sides of other wiring trays 44 to make them rotate synchronously. In conjunction with the unlocking or locking of several sets of positioning components 5, the space between any two sets of wiring trays 44 can be expanded and unfolded to facilitate use by the staff.

[0028] The control method and connection method of the electronic equipment and component structure in the present invention are common knowledge in this field. Its working principle is already a known technology, and the model is selected according to the actual use, so it will not be explained in detail.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-level power distribution cabinet for a numerically controlled machine tool, comprising a power distribution cabinet body (1), characterized in that: A front cabinet door (2) is installed on the front side of the power distribution cabinet body (1); a threading hole (3) is provided at the bottom of the power distribution cabinet body (1); an adjustment component (4) is provided on the inner side of the power distribution cabinet body (1); four groups of positioning components (5) are provided on the inner wall of one side of the power distribution cabinet body (1); the adjustment component (4) comprises a partition (41) fixedly installed on the inner side of the power distribution cabinet body (1) near the rear side; movable openings (42) are respectively provided on the inside of the two sides of the partition (41); five groups of U-shaped fixing sleeves (43) are respectively provided on the inner sides of the two groups of movable openings (42); a wiring tray (44) is fixedly provided on the inner sides of two groups of U-shaped fixing sleeves (43) corresponding to each other in parallel in the two groups of movable openings (42); a plurality of groups of tray openings (45) are provided inside the wiring tray (44); a fixing strip (46) is fixedly provided on the rear end of the U-shaped fixing sleeve (43); a connecting shaft (47) is fixedly provided on one end of the rear side of the fixing strip (46); A second connecting shaft (48) is fixedly arranged at one end of the fixing bar (46) near the front side of the first connecting shaft (47); a first fixing shaft sleeve (49) is fixedly arranged at the rear end of the partition plate (41) at a position corresponding to the second connecting shaft (48); two groups of second fixing shaft sleeves (410) are fixedly arranged at the rear end of one side of the partition plate (41) near two groups of first fixing shaft sleeves (49) that are vertically adjacent; threaded sleeve rods (411) are rotatably arranged inside the two groups of second fixing shaft sleeves (410); A threaded rod (412) is movably arranged inside the threaded sleeve rod (411), two groups of limit plates (413) are fixedly arranged on the rear side of the threaded rod (412), a round sleeve (414) is sleeved on the outer side of the threaded rod (412) near the limit plates (413), a connecting shaft three (415) is fixedly arranged on one side of the round sleeve (414), and two groups of connecting rods (416) are sleeved between the connecting shaft three (415) and two groups of connecting shafts one (47) adjacent to each other at the upper and lower sides.

2. A multi-level power distribution cabinet for CNC machine tools according to claim 1, characterized in that: The positioning assembly (5) comprises a positioning sleeve (51) fixedly mounted on the front end of one side of the power distribution cabinet body (1); a slide cylinder (52) is slidably arranged on the inner side of the positioning sleeve (51); a U-shaped limit sleeve (53) is fixedly arranged on one end of the slide cylinder (52); a pull ring (54) is movably arranged on the other side of the slide cylinder (52); a slide groove (55) is provided inside the slide cylinder (52); a button block (56) is movably arranged on the inner side of the slide groove (55); a T-shaped push block (57) is fixedly arranged near the middle position of one end of the button block (56). ), a return spring (58) is fixedly arranged at one end of the button block (56) near the upper and lower sides of the T-shaped push block (57), a guide piece (59) is fixedly arranged between the T-shaped push block (57) and the inner wall of one side of the slide groove (55), and the outer sides of the two groups of guide pieces (59) inside the slide cylinder (52) are movably sleeved with a clamping block (510), and the inner sides of the two groups of the clamping blocks (510) are respectively provided with a connecting opening (511), and the upper and lower sides of the inner wall of the positioning sleeve (51) are respectively provided with a clamping slot opening (512) at the position corresponding to the clamping block (510).

3. A multi-level power distribution cabinet for CNC machine tools according to claim 1, characterized in that: The U-shaped fixing sleeve (43) movably passes through the inner side of the movable opening (42), and the five groups of wiring trays (44) are evenly distributed vertically.

4. A multi-level power distribution cabinet for CNC machine tools according to claim 1, characterized in that: The fixing strip (46) is matched with the movable opening (42), the second connecting shaft (48) is movably arranged at an inner position of the first fixing shaft sleeve (49), and the second connecting shaft (48) and the threaded sleeve rod (411) are located on the same straight line.

5. A multi-level power distribution cabinet for CNC machine tools according to claim 1, characterized in that: The threaded rod (412) and the threaded sleeve rod (411) are threadedly connected, the threaded rod (412) passes through the interior of the movable opening (42) to the front position, and the circular sleeve (414) is movably arranged between the two sets of limiting plates (413).

6. A multi-level power distribution cabinet for CNC machine tools according to claim 2, characterized in that: The slide cylinder (52) movably passes through the inner wall of the power distribution cabinet body (1), and the four groups of U-shaped limiting sleeves (53) respectively correspond to the positions of the four groups of threaded rods (412).

7. A multi-level power distribution cabinet for CNC machine tools according to claim 2, characterized in that: One side of the pull ring (54) and the button block (56) is located outside the power distribution cabinet body (1); the button block (56) and the slide cylinder (52) are slidably arranged; and the two groups of guide plates (59) and the two groups of clamping blocks (510) are mirror-symmetrically arranged.

8. A multi-level power distribution cabinet for CNC machine tools according to claim 2, characterized in that: One side of the guide piece (59) is located inside the connection opening (511), the middle portion of the guide piece (59) is arranged to be inclined, and the clamping block (510) is arranged to be engaged with the clamping slot opening (512).

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