Three-axis turret device for feeding and discharging trays of vertical machining center

Abstract

The invention discloses a three-axis turret device for feeding and discharging trays of a vertical machining center. The three-axis turret device comprises a servo indexing rotary table, a Z-axis translation assembly, a Y-axis translation assembly, a clamping assembly and a clamping assembly, wherein the Z-axis translation assembly is mounted on a rotating part of the servo indexing rotary table; the Y-axis translation assembly is mounted on the Z-axis translation assembly; according to the three-axis turret device for the feeding and discharging trays of the vertical machining center, a linkage motion mode of three axis systems is adopted in total, one mode is that a servo indexing rotary table is adopted to achieve overall rotation motion of + / -180 degrees, and a Z-axis translation assembly is in guide fit with gear and rack transmission through four linear guide rails which are respectively provided with four axes, so that high-load and high-precision operation is achieved; the Y-axis translation assembly is supported and guided through a cam roller, a strong horizontal movement shaft is formed for inserting and taking materials, a three-axis brick tower structure formed by the three shafts is used for inserting and taking a daughter board clamp with blanks from a circular line edge warehouse station to feed materials to a vertical machining machine tool, and use is convenient.

Description

Technical Field

[0001] The invention belongs to the technical field of vertical machining centers, and in particular relates to a three-axis turret device for loading and unloading trays of a vertical machining center. Background Art

[0002] With the development and application of new productivity, the demand for flexible production has become more and more popular in the machining industry. In the flexible production of vertical machining centers, articulated robots have been mostly used in recent years to load and unload pallets and fixture workpieces. However, due to the limitations of the load and travel range of articulated robots, they cannot fully cover the flexible production and processing of vertical machining centers. In addition, articulated robots with large loads are often expensive and have a long delivery time, making it difficult to meet the intelligent flexible processing needs of small and medium-sized enterprises. Summary of the invention

[0003] The object of the present invention is to provide a three-axis turret device for loading and unloading pallets of a vertical machining center to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above object, the present invention provides the following technical solution: a three-axis turret device for loading and unloading trays of a vertical machining center, comprising:

[0005] A servo indexing rotary table configured to be fixed to the base;

[0006] The Z-axis translation assembly is installed on the rotating part of the servo indexing turntable, and the Z-axis translation assembly is driven to rotate via the rotating part;

[0007] The Y-axis translation assembly is mounted on the Z-axis translation assembly and moves up and down along the Z-axis translation assembly;

[0008] The gripping assembly is mounted on the Y-axis translation assembly and is configured to move left and right under the drive of the Y-axis translation assembly to grip the material.

[0009] Preferably, the servo indexing turntable is mounted on a base, and the base is fixed by bolts.

[0010] Preferably in any of the above schemes, the Z-axis translation assembly includes a vertical axis main body, a mounting seat is fixed at the bottom of which, the mounting seat is fixedly connected to the rotating part, the vertical axis main body is provided with a lifting tray movable groove, and the lifting tray is slidably arranged in the lifting tray movable groove, a Z-axis spur rack is installed on the surface of the vertical axis main body, a Z-axis servo motor is arranged on the lifting tray, and a driving gear 2 is installed at the output end of the Z-axis servo motor, and the driving gear 2 is transmitted with the Z-axis spur rack to drive the lifting tray to move up and down along the vertical axis main body, a lubrication wheel 2 is installed on the lifting tray through a mounting plate, the lubrication wheel 2 is rotatably arranged relative to the mounting plate, and meshes with the driving gear 2 for transmission, a water receiving tray 2 is installed on one side of the bottom of the vertical axis main body, and a reinforcing rib is provided in the water receiving tray 2, a plurality of penetrating openings are opened on the reinforcing rib, a water outlet is provided on the water receiving tray 2, and a drag chain fixing plate is fixed on the side of the vertical axis main body, and a drag chain is installed on the drag chain fixing plate.

[0011] Preferably in any of the above schemes, a guide rail is arranged on the surface of the vertical axis body, and the guide rails are arranged back to back.

[0012] Preferably in any of the above schemes, the lifting tray includes a horizontal plate matching the movable groove of the lifting tray, and carrier plates are symmetrically arranged on the horizontal plate in pairs and arranged at 90° to the horizontal plate, so that a accommodating cavity is formed between the carrier plates, and each of the carrier plates is connected to a slider on the outer side through a slider connecting plate, and the slider is limited on the guide rail and slides along the guide rail.

[0013] Preferably in any of the above schemes, the Y-axis translation assembly includes a Y-axis crossbeam, which is arranged in the accommodating cavity, and U-shaped slide grooves are arranged on both sides of the Y-axis crossbeam, and a Y-axis spur rack is arranged on the lower surface of one of the U-shaped slide grooves, a Y-axis servo motor is arranged on one of the carrier plates, and a reducer, a shaft connector and a driving gear 1 are sequentially installed on the output end of the Y-axis servo motor, the driving gear 1 is transmitted with the Y-axis spur rack to drive the Y-axis crossbeam to move back and forth, and a lubrication wheel 1 is installed at a position of the carrier plate close to the driving gear 1, the lubrication wheel 1 is rotatably arranged with the carrier plate, and is meshed with the driving gear 1 for transmission.

[0014] Preferably in any of the above schemes, a roller is installed on the inner side of each carrier plate through a roller shaft, the roller rotates relative to the roller shaft, and the roller is located in a U-shaped slide groove to support and guide the Y-axis beam.

[0015] Preferably in any of the above schemes, the gripping assembly includes a gripper connecting plate installed at one end of the Y-axis beam, and grippers are symmetrically installed on the gripper connecting plate.

[0016] Preferably, any of the above schemes further includes a storage rack for storing materials, the storage rack includes multiple mounting racks, two adjacent mounting racks are connected by multiple vertically distributed connecting rods 1 and 2, the connecting rod 2 is close to the outside, and the length of the connecting rod 1 is smaller than that of the connecting rod 2, and a tooling base is arranged on the connecting rod 1 and the connecting rod 2 at the same level, a plurality of support seats are distributed on the surface of the tooling base, and positioning pins are arranged on some of the support seats, a water receiving pan bracket is installed at the bottom of the mounting rack, a pressure plate is installed on the upper surface of the water receiving pan bracket, a baffle is arranged at 90° on the side of the pressure plate, and a placement opening is formed between the baffle and the pressure plate, the edge of the water receiving pan 1 is inserted into the placement opening, and the pressure plate limits the edge of the water receiving pan 1 to prevent it from moving horizontally, the water receiving pan 1 is placed on the water receiving pan bracket, and a vertical limit is formed by the water receiving pan bracket and the pressure plate, and a protective plate is arranged on the outside of two adjacent mounting racks.

[0017] Preferably in any of the above schemes, the mounting frame includes two vertical vertical rods, a horizontal rod connecting the two vertical rods, and a plurality of oblique reinforcing rods are arranged between the two vertical rods, and the plurality of oblique reinforcing rods are located between the two horizontal rods.

[0018] The technical effects and advantages of the present invention are as follows: the three-axis turret device for the loading and unloading trays of the vertical machining center adopts a linkage motion mode of three axis systems, one of which is a servo indexing turntable to realize the overall ±180° rotational motion, the Z-axis translation assembly adopts four four-axis linear guides for guidance and gear rack transmission to achieve high-load and high-precision operation, and the Y-axis translation assembly is supported and guided by a cam roller to form a strong horizontal motion axis for inserting and removing materials. The three-axis brick tower structure composed of the above three axes is used to insert the sub-plate fixture with the blank from the circular line-side warehouse workstation to load the vertical machining machine, and then the processed finished product with the sub-plate fixture is loaded and unloaded from the machine tool and stored on the line-side warehouse shelf or the unloading loading station, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 It is a structural schematic diagram of another perspective of the present invention;

[0021] Figure 3 It is a structural schematic diagram of the storage rack of the present invention;

[0022] Figure 4 It is a structural schematic diagram of the storage rack of the present invention from another perspective;

[0023] Figure 5 For the present invention Figure 3 A magnified view of the structure at center A;

[0024] Figure 6 It is a schematic diagram of the structure of the connection between the servo indexing turntable, the Y-axis translation assembly and the Z-axis translation assembly of the present invention;

[0025] Figure 7 A schematic structural diagram of another perspective of the connection of the servo indexing turntable, the Y-axis translation assembly and the Z-axis translation assembly of the present invention;

[0026] Figure 8 It is a structural schematic diagram of the servo indexing turntable of the present invention;

[0027] Fig. 9 It is a schematic diagram of the structure of the connection between the Y-axis translation assembly and the Z-axis translation assembly of the present invention;

[0028] Fig.10 For the present invention Fig. 9 A magnified view of the structure at B in the middle;

[0029] Fig.11 A schematic diagram of the structure of connecting the Y-axis translation assembly and the Z-axis translation assembly of the present invention from another perspective;

[0030] Fig.12 It is a structural schematic diagram of the Y-axis translation assembly of the present invention;

[0031] Fig.13 It is a structural schematic diagram of the Y-axis translation assembly of the present invention from another perspective;

[0032] Fig.14 It is a structural schematic diagram of the lifting tray of the present invention.

[0033] In the figure: 1. Storage rack; 11. Connecting rod 1; 12. Connecting rod 2; 13. Tooling bottom plate; 14. Mounting rack; 141. Crossbar; 142. Vertical bar; 143. Reinforcement rod; 15. Protective plate; 16. Positioning pin; 17. Support seat; 18. Water tray 1; 191. Water tray bracket; 192. Baffle; 193. Press plate; 194. Placement port; 2. Servo indexing turntable; 21. Peripheral support plate; 22. Rotating part; 3. Y-axis translation assembly; 31. Y-axis crossbeam; 32. Y-axis servo motor; 33. Hand claw connecting plate; 34. Hand claw; 35. U-shaped slideway; 36. Y-axis spur rack; 37. Reduction speed machine; 38, shaft connector; 39, roller; 310, roller shaft; 311, driving gear one; 312, lubrication wheel one; 4, Z-axis translation assembly; 41, vertical axis body; 42, water tray two; 43, reinforcement ribs; 44, guide rail; 45, lifting tray; 451, slider; 452, slider connecting plate; 453, carrier plate; 454, cross plate; 46, Z-axis spur rack; 47, lifting tray movable slot; 48, drag chain fixing plate; 49, drag chain; 410, Z-axis servo motor; 411, lubrication wheel two; 412, mounting plate; 413, driving gear two; 414, mounting seat; 5, base; 51, bolts. DETAILED DESCRIPTION

[0034] The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these embodiments is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0035] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features.

[0037] The present invention provides Figure 1-5A three-axis turret device shown in the figure includes two parts. The first part is a structural storage rack 1 for placing materials. The storage rack 1 includes four mounting racks 14, all of which are placed vertically. The mounting rack 14 includes two vertical vertical rods 142, a cross rod 141 connecting the two vertical rods 142, and three oblique reinforcing rods 143 are bolted between the two vertical rods 142, and the three oblique reinforcing rods 143 are located between the two cross rods 141. Two adjacent mounting racks 14 are connected by four vertically distributed connecting rods 11 and four vertically distributed connecting rods 2 12. The connecting rod 2 12 is on the outside, and the connecting rod 1 11 is on the inside. The length of the connecting rod 1 11 is less than the connecting rod 2 12, so that the top view of the storage rack 1 is fan-shaped. A tooling base plate 13 is installed on the connecting rod 11 and the connecting rod 2 12 at the same level. The tooling base plate 13 is square. Four support seats 17 are distributed on the surface of the tooling base plate 13, and two symmetrical support seats 17 have positioning pins 16. The positioning pins 16 are upwardly protruding arcs. The connections between the above components are all fixed by bolts. A water receiving pan bracket 191 is installed at the bottom of the mounting frame 14. A pressure plate 193 is installed on the upper surface of the water receiving pan bracket 191. A baffle 192 is provided on the side of the pressure plate 193 at 90°. Specifically, if the pressure plate 193 is at the edge position, only the position close to the water receiving pan 18 is integrally formed with a baffle 192. If it is in the middle position, there are baffles 192 at both ends. For details, see Figure 4 As shown, a placement opening 194 is formed between the baffle plate 192 and the pressure plate 193, and the edge of the water receiving tray 18 is inserted into the placement opening 194. The pressure plate 193 limits the edge of the water receiving tray 18 to prevent it from moving horizontally. The water receiving tray 18 is placed on the water receiving tray bracket 191, and a vertical limit is formed by the water receiving tray bracket 191 and the pressure plate 193. A protective plate 15 is installed on the outer side of two adjacent mounting frames 14, and the protective plate 15 is installed on the outer vertical rod 142 by bolts.

[0038] like Figure 6 and 7 As shown, the second part drives the gripping assembly through a motion mechanism integrating the X-axis, Y-axis and Z-axis to pick up and place the materials on the storage rack 1.

[0039] like Figure 8 As shown, the X-axis motion mechanism adopts a servo indexing turntable 2, which is fixed on a base 5, and the base 5 is fixed by bolts 51. An outer support plate 21 is symmetrically arranged on the base 5 about the servo indexing turntable 2. The servo indexing turntable 2 is a prior art, and its specific structure will not be described in detail here.

[0040] like Figure 6 , 7, 9, 10 and 11, wherein the Z-axis motion mechanism adopts a Z-axis translation assembly 4, which is mounted on the rotating part 22 of the servo indexing turntable 2, and the Z-axis translation assembly 4 is driven to rotate by the rotating part 22. The specific structure includes a vertical axis body 41, a mounting seat 414 is fixed to the bottom of the vertical axis body 41, and the mounting seat 414 is fixedly connected to the rotating part 22 with bolts. A lifting tray movable groove 47 is opened on the vertical axis body 41, and a lifting tray 45 is slidably arranged in the lifting tray movable groove 47. Four guide rails 44 are fixed on the surface of the vertical axis body 41, and 4 The guide rails 44 are arranged back to back, and a Z-axis spur rack 46 is installed on the surface of the vertical axis body 41. The Z-axis spur rack 46 is located beside one of the guide rails 44 and is parallel to the guide rail 44. A Z-axis servo motor 410 is fixed on the lifting tray 45, and a driving gear 2 413 is installed on its output end. The driving gear 2 413 is driven by the Z-axis spur rack 46 to drive the lifting tray 45 to move up and down along the vertical axis body 41. A lubrication wheel 2 411 is installed on the lifting tray 45 through a mounting plate 412. The mounting plate 412 is L-shaped, and one end thereof is The vertical shaft body 41 is fixed on the lifting tray 45, and the other end is connected to the lubrication wheel 2 411 through the rotating shaft, and is meshed with the driving gear 2 413 for transmission. A water receiving tray 2 42 is installed on one side of the bottom of the vertical shaft body 41, and two reinforcing ribs 43 are installed in the water receiving tray 2 42. The reinforcing ribs 43 divide the water receiving tray 2 42 into three parts, but 11 through-holes are opened on the reinforcing ribs 43, so that the water in the entire water receiving tray can flow unimpeded. The water receiving tray 2 42 is opened with a water outlet. The side of the vertical shaft body 41 is fixed with a towline fixing plate 48, and the towline fixing plate 48 is fixed to the side of the vertical shaft body 41. A drag chain 49 is installed on the fixed plate 48 for placing the line. The placement of the line by the drag chain 49 is a conventional means. The lifting tray 45 includes a horizontal plate 454 that matches the size of the movable groove 47 of the lifting tray. Two carrier plates 453 are symmetrically fixed on the horizontal plate 454, and the carrier plates 453 are set at 90° to the horizontal plate 454, so that a accommodating cavity is formed between the carrier plates 453. Each carrier plate 453 is bolted to a slider 451 on the outer side through a slider connecting plate 452. The slider 451 is limited on the guide rail 44 and slides along the guide rail 44.

[0041] like Figure 12-14As shown, the motion mechanism of the Y-axis adopts a Y-axis translation assembly 3, which is installed on the Z-axis translation assembly 4 and moves up and down along the Z-axis translation assembly 4. The specific structure of the Y-axis translation assembly 3 includes a Y-axis crossbeam 31, which is movably arranged in the accommodating cavity, and U-shaped slide grooves 35 are integrally formed on both sides of the Y-axis crossbeam 31, the opening of the U-shaped slide groove 35 faces the side, and a Y-axis spur rack 36 is bolted to the lower surface of one of the U-shaped slide grooves 35, a Y-axis servo motor 32 is bolted to one of the carrier plates 453, and a reducer is sequentially installed on the output end of the Y-axis servo motor 32 37, a shaft connector 38 and a driving gear 311, the driving gear 311 is transmitted with the Y-axis spur rack 36, driving the Y-axis beam 31 to move back and forth, and a lubrication wheel 312 is installed through a rotating shaft at a position of the carrier plate 453 close to the driving gear 311, the lubrication wheel 312 rotates relative to the carrier plate 453, and meshes with the driving gear 311 for transmission, and a roller 39 is installed on the inner side of each carrier plate 453 through a roller shaft 310, the roller 39 rotates relative to the roller shaft 310, and the roller 39 is located in the U-shaped slide groove 35, supporting and guiding the Y-axis beam 31.

[0042] The clamping assembly is bolted on the Y-axis translation assembly 3 and is configured to move left and right under the drive of the Y-axis translation assembly 3 to clamp the material. The specific structure includes a hand claw connecting plate 33 bolted on one end of the Y-axis beam 31, and a hand claw 34 is symmetrically bolted on the hand claw connecting plate 33.

[0043] During use, the three-axis turret device for loading and unloading trays of the vertical machining center first drives the vertical axis body 41 to rotate through the servo indexing turntable 2. After rotating to a suitable position, the height is adjusted. The specific operation is to start the Z-axis servo motor 410, and the Z-axis servo motor 410 and the Z-axis spur rack 46 are transmitted to drive the lifting tray 45 to move up and down to achieve height adjustment. After the height is adjusted, the Y-axis servo motor 32 is started, and the Y-axis servo motor 32 and the Y-axis spur rack 36 are transmitted to drive the Y-axis crossbeam 31 to move, thereby achieving the displacement of the clamping component. After the claw 34 is inserted into the bottom of the material, the height, Y-axis position and rotation of the servo indexing turntable 2 are adjusted to achieve material placement and complete the entire implementation process.

[0044] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A three-axis turret device for loading and unloading trays in a vertical machining center, characterized in that: include A servo indexing turntable (2) is configured to be fixed on a base (5); A Z-axis translation assembly (4) is mounted on a rotating portion (22) of the servo indexing turntable (2), and the Z-axis translation assembly (4) is driven to rotate via the rotating portion (22); A Y-axis translation assembly (3) is mounted on the Z-axis translation assembly (4) and moves up and down along the Z-axis translation assembly (4); The gripping assembly is mounted on the Y-axis translation assembly (3) and is configured to move left and right under the drive of the Y-axis translation assembly (3) to grip materials.

2. A three-axis turret device for loading and unloading trays of a vertical machining center according to claim 1, characterized in that: The servo indexing turntable (2) is mounted on a base (5), and the base (5) is fixed by bolts (51).

3. The three-axis turret device for loading and unloading trays of a vertical machining center according to claim 1, characterized in that: The Z-axis translation assembly (4) comprises a vertical axis body (41), a mounting seat (414) is fixed at the bottom of the vertical axis body, the mounting seat (414) is fixedly connected to the rotating part (22), a lifting tray movable groove (47) is opened on the vertical axis body (41), a lifting tray (45) is slidably arranged in the lifting tray movable groove (47), a Z-axis spur rack (46) is installed on the surface of the vertical axis body (41), a Z-axis servo motor (410) is arranged on the lifting tray (45), and a driving gear 2 (413) is installed at the output end of the vertical axis body, and the driving gear 2 (413) is transmitted with the Z-axis spur rack (46) to drive the lifting tray (45) along the vertical axis body The vertical shaft body (41) moves up and down, a lubricating wheel (411) is installed on the lifting tray (45) through a mounting plate (412), the lubricating wheel (411) is rotatably arranged relative to the mounting plate (412), and is meshed with a driving gear (413) for transmission, a water receiving tray (42) is installed on one side of the bottom of the vertical shaft body (41), and a reinforcing rib (43) is arranged in the water receiving tray (42), a plurality of through openings are opened on the reinforcing rib (43), a water outlet is arranged on the water receiving tray (42), a drag chain fixing plate (48) is fixed on the side of the vertical shaft body (41), and a drag chain (49) is installed on the drag chain fixing plate (48).

4. The three-axis turret device for loading and unloading trays of a vertical machining center according to claim 3, characterized in that: Four guide rails (44) are arranged on the surface of the vertical axis body (41), and the four guide rails (44) are arranged back to back.

5. A three-axis turret device for loading and unloading trays of a vertical machining center according to claim 4, characterized in that: The lifting tray (45) comprises a transverse plate (454) matched with the movable groove (47) of the lifting tray, and carrier plates (453) symmetrically arranged on the transverse plate (454) in pairs and arranged at 90 degrees to the transverse plate (454), so that a receiving cavity is formed between the carrier plates (453), and each of the carrier plates (453) is connected to a slider (451) on the outer side through a slider connecting plate (452), and the slider (451) is limited on the guide rail (44) and slides along the guide rail (44).

6. A three-axis turret device for loading and unloading trays of a vertical machining center according to claim 5, characterized in that: The Y-axis translation assembly (3) comprises a Y-axis crossbeam (31) which is arranged in the accommodating cavity, and U-shaped slide grooves (35) are arranged on both sides of the Y-axis crossbeam (31), and a Y-axis spur rack (36) is arranged on the lower surface of one of the U-shaped slide grooves (35), a Y-axis servo motor (32) is arranged on one of the carrier plates (453), a reducer (37), a shaft connector (38) and a driving gear (311) are sequentially installed on the output end of the Y-axis servo motor (32), the driving gear (311) and the Y-axis spur rack (36) are driven to drive the Y-axis crossbeam (31) to move back and forth, and a lubrication wheel (312) is installed at a position of the carrier plate (453) close to the driving gear (311), the lubrication wheel (312) is rotatably arranged with the carrier plate (453) and meshes with the driving gear (311) for transmission.

7. A three-axis turret device for loading and unloading trays of a vertical machining center according to claim 6, characterized in that: A roller (39) is installed on the inner side of each carrier plate (453) via a roller shaft (310). The roller (39) rotates relative to the roller shaft (310), and the roller (39) is located in the U-shaped slide groove (35), playing a supporting and guiding role for the Y-axis crossbeam (31).

8. The three-axis turret device for loading and unloading trays of a vertical machining center according to claim 7, characterized in that: The gripping assembly comprises a gripper connecting plate (33) mounted on one end of the Y-axis crossbeam (31), and grippers (34) are symmetrically mounted on the gripper connecting plate (33).

9. The three-axis turret device for loading and unloading trays of a vertical machining center according to claim 1, characterized in that: It also includes a storage rack (1) for storing materials, wherein the storage rack (1) includes a plurality of mounting racks (14), wherein two adjacent mounting racks (14) are connected via a plurality of vertically distributed connecting rods (11) and (12), wherein the connecting rods (12) are close to the outside, and the length of the connecting rods (11) is smaller than that of the connecting rods (12), and a tooling base plate (13) is arranged on the connecting rods (11) and (12) at the same level, wherein a plurality of support seats (17) are distributed on the surface of the tooling base plate (13), and a positioning pin (16) is arranged on a part of the support seats (17), and a water receiving tray bracket (16) is installed at the bottom of the mounting rack (14). 191), a pressure plate (193) is installed on the upper surface of the water receiving pan bracket (191), a baffle (192) is arranged on the side of the pressure plate (193) at an angle of 90 degrees, and a placement opening (194) is formed between the baffle (192) and the pressure plate (193), the edge of the water receiving pan (18) is inserted into the placement opening (194), and the pressure plate (193) limits the edge of the water receiving pan (18) to prevent it from moving horizontally, the water receiving pan (18) is placed on the water receiving pan bracket (191), and a vertical limit is formed by the water receiving pan bracket (191) and the pressure plate (193), and a protective plate (15) is arranged on the outer side of two adjacent mounting frames (14).

10. A three-axis turret device for loading and unloading trays of a vertical machining center according to claim 9, characterized in that: The mounting frame (14) comprises two vertical vertical rods (142), a horizontal rod (141) connecting the two vertical rods (142), and a plurality of oblique reinforcing rods (143) are arranged between the two vertical rods (142), and the plurality of oblique reinforcing rods (143) are located between the two horizontal rods (141).

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