Umbrella-shaped ATC servo tool magazine of numerical control machine tool

By designing an umbrella-shaped ATC servo tool magazine, which is driven by a servo motor and a reducer, and combined with the meshing transmission of the indexing gear plate and the output gear plate, the problems of low positioning accuracy and limited tool post length of CNC machine tool disc-type tool magazines are solved, realizing high-precision automatic tool changing and machining of large-size products.

CN223876601UActive Publication Date: 2026-02-06YOUJI MACHINE IND CHINA COMPANY
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Patent Information

Application Number
CN202423107131.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2026-02-06
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing CNC machine tool disc-type tool magazines have complex structures, are easily affected by ambient temperature, have low positioning accuracy, and have limited tool turret length, making cleaning difficult and unable to meet the requirements for high precision and long tool turrets.

Method used

It adopts an umbrella-shaped ATC servo tool magazine, driven by a servo motor and reducer, combined with the meshing transmission of the indexing gear plate and the output gear plate, and is equipped with a protective cover and a movable door to achieve high-precision automatic tool changing, prevent the accumulation of iron chips, and extend the tool holder length.

Benefits of technology

It improves positioning accuracy, reduces the impact of ambient temperature on tool changing, prevents chip accumulation, and extends the tool holder length to meet the machining needs of high-precision and large-size products.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an umbrella-shaped ATC servo tool magazine of a numerical control machine tool, which comprises a machine frame, a tool disc bracket and a tool disc provided with a tool rest, the tool disc bracket is coupled below the bottom of the machine frame, and the tool disc is horizontally and fixedly connected to the bottom of the tool disc bracket; an indexing fluted disc fixedly connected with the cutterhead bracket is sleeved outside the cutterhead bracket, and the indexing fluted disc is horizontally arranged; a servo transmission mechanism fixedly connected with the rack is arranged on one side of the rack, an output fluted disc in transmission connection with the servo transmission mechanism is arranged below the servo transmission mechanism, and the output fluted disc is horizontally arranged and meshed with the indexing fluted disc in a tooth shape. Symmetrical protective covers are arranged on the left side and the right side of the rack, a movable door is arranged on the front face of the rack, and the movable door is movably connected with the left protective cover and the right protective cover. The umbrella-shaped ATC servo tool magazine of the numerical control machine tool is high in positioning precision, the environment temperature difference has no influence on tool changing and positioning, the lower portion of the protective cover is open, scrap iron accumulation is avoided, the length of the tool rest is not limited by a tool magazine metal plate, and automatic tool changing is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool tool magazine especially relates to a numerical control machine tool umbrella shape ATC servo tool magazine. BACKGROUND

[0002] The basic components of numerical control machine tool include processing program carrier, numerical control device, servo drive device, machine tool main machine and other auxiliary devices, the machine tool main machine is the main body of numerical control machine tool, it includes bed, base, stand, crossbeam, slide, workbench, spindle box, feed mechanism, tool rest, tool magazine and automatic tool changer and other mechanical parts.

[0003] The numerical control machine tool tool magazine is the mechanism for storing tools and auxiliary tools, it is one of main components in automatic tool changer system, and it is the mechanical part for automatically completing various cutting processes on the numerical control machine tool, the disc type tool magazine is generally used on the existing numerical control machine tool, the current disc type tool magazine is mostly oil pressure tool magazine, but the structure of the oil pressure tool magazine is complex, the oil pressure structure is easily affected by temperature difference of environment, the service life and precision thereof are reduced, thereby leading to instability of the machine tool, and the structure of the oil pressure tool magazine is independent and closed, the sheet metal at the bottom of the tool magazine is prone to accumulate iron filings, and it is difficult to clean, and the volume of the oil pressure tool magazine is limited, the length of the tool rest in the tool magazine is limited, thereby leading to that the long tool rest cannot be automatically changed. SUMMARY

[0004] The utility model wants to solve the technical problem to provide a numerical control machine tool umbrella shape ATC servo tool magazine that positioning accuracy is high and tool rest length is not limited.

[0005] In order to solve the above technical problem, the utility model is realized through the following technical schemes:

[0006] A numerical control machine tool umbrella shape ATC servo tool magazine, including frame, tool disc support, the tool disc that is assembled with tool rest, the tool disc support is connected in the bottom below frame, and the tool disc is horizontally fixedly connected at the bottom of tool disc support, the outside of tool disc support is sleeved with the indexing disc that is fixedly connected with it, the indexing disc is horizontally arranged, and it is above the top of tool disc, one side of frame is provided with servo drive mechanism that is fixedly connected with it, and the lower side of servo drive mechanism is provided with output disc that is drivingly connected with it, the output disc is horizontally arranged, and it is toothed with indexing disc, and the output disc can drive the rotation of indexing disc, the left and right sides of frame are provided with the protective cover that is symmetrical with each other, the protective cover is wrapped in the outside of tool disc support and tool disc, the front of frame is provided with swing door, and the swing door is movably connected with the two protective covers on the left and right sides of frame.

[0007] Further, the movable door is in an umbrella shape, which is composed of a slanting protection surface and a vertical guiding connecting surface; the guiding connecting surface is located at the bottom of the protection surface and is integrally formed with the protection surface; the top of the protection surface is movably connected with the upper sliding mechanism fixed at the top of the left and right protection covers; and the bottom of the inner side of the guiding connecting surface is movably connected with the lower sliding mechanism fixed between the left and right protection covers.

[0008] Further, the upper sliding mechanism is composed of a sliding rail and a pulley rolling matched with the sliding rail; the pulley is fixedly connected with the upper end of the protection cover through a joint; and the sliding rail is fixed at the top of the protection cover.

[0009] Further, the lower sliding mechanism is composed of a positioning shaft and a sliding sleeve sliding matched with each other; the sliding sleeve is sleeved at the outside of the positioning shaft; the positioning shaft is fixedly connected with the inside of the protection cover through a positioning shaft fixing plate; and the sliding sleeve is fixedly connected with the inner side of the guiding connecting surface.

[0010] Further, the outer cover of the upper sliding mechanism is provided with a dust cover, which is fixedly installed on the rack through a sheet metal bracket.

[0011] Further, the movable door is movably connected with the protection cover through a gas cylinder; the gas cylinder is fixedly connected with one of the protection covers on the left and right sides of the rack; and the piston rod of the gas cylinder is fixedly connected with a gas cylinder bracket fixed at the top of the inner side of the movable door.

[0012] Further, the servo transmission mechanism is composed of a servo motor and a speed reducer; the speed reducer is fixedly arranged on the rack; the power output end of the speed reducer is in transmission connection with an output gear disc; the servo motor is fixedly connected with the speed reducer; and the transmission shaft of the servo motor is in transmission connection with the power input end of the speed reducer.

[0013] Compared with the prior art, the beneficial effects of the umbrella-shaped ATC servo tool magazine of the numerical control machine tool are as follows: the driving form of the servo motor and the speed reducer is adopted, the positioning precision is high, the tool magazine correction time can be shortened, the environmental temperature difference has no influence on tool changing and positioning, the tool magazine sheet metal protection is strengthened, the lower part of the protection cover is open, so that iron filings cannot be accumulated, the length of the tool holder is not limited by the tool magazine sheet metal, automatic tool changing is facilitated, and high-size product machining of customers is met. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0015] Figure 1 is a side structure schematic diagram of the umbrella-shaped ATC servo tool magazine of the numerical control machine tool;

[0016] Figure 2 is a tool magazine structure schematic diagram in the umbrella-shaped ATC servo tool magazine of the numerical control machine tool;

[0017] Figure 3 is a side structure schematic diagram of the movable door in the umbrella-shaped ATC servo tool magazine of the numerical control machine tool;

[0018] Figure 4 is an upper end connecting structure schematic diagram of the movable door in the umbrella-shaped ATC servo tool magazine of the numerical control machine tool;

[0019] Figure 5 is a lower end connecting structure schematic diagram of the movable door in the umbrella-shaped ATC servo tool magazine of the numerical control machine tool.

[0020] In the figure: 1, rack; 11, protective cover; 2, tool disc carrier; 21, index tooth disc; 22, output tooth disc; 3, servo motor; 31, speed reducer; 4, tool disc; 41, tool holder; 5, movable door; 51, protective surface; 52, joint; 53, guide connecting surface; 6, air cylinder; 61, air cylinder carrier; 7, upper sliding mechanism; 71, dust cover; 72, slide rail; 73, pulley; 8, lower sliding mechanism; 81, positioning shaft fixed plate; 82, sliding sleeve; 83, positioning shaft; 9, sheet metal carrier. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0022] Therefore, the following detailed description of the embodiments of the application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents the selected embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the application. It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In the description of the embodiments of the application, it should be explained that: if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product of the application when it is usually placed, which is only for the convenience of describing the application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the application. In addition, the terms "first", "second" and the like are only used for differentiation and cannot be understood as indicating or implying relative importance.

[0023] In addition, if the terms "horizontal", "vertical" and the like appear, they do not mean that the component must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is relatively more horizontal than "vertical", and does not mean that the structure or component must be completely horizontal, but can be slightly inclined.

[0024] In the description of the embodiments of the application, "a plurality of" represents at least 2.

[0025] In the description of the embodiments of the application, it should also be explained that, unless otherwise explicitly specified and limited, if the terms "set", "install", "connect", "connect" appear, they should be understood in a broad sense, for example, they can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium, or can be the communication between two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0026] Embodiments

[0027] Please refer to the drawings of the specification Figure 1 and 2 , the drawings of the specification Figure 1 and 2The utility model discloses a numerical control machine tool umbrella-shaped ATC servo tool magazine, cooperation and installation on the machine tool frame, do not need to set independently on the outside of machine tool main body, has saved the installation space of machine tool, this numerical control machine tool umbrella-shaped ATC servo tool magazine includes frame 1, tool disc carrier 2, the tool disc 4 of being equipped with tool rest 41, tool disc carrier 2 is connected in the bottom below of frame 1, tool disc carrier 2 can rotate horizontally relative to frame 1, tool disc 4 horizontal fixed connection is established in the bottom of tool disc carrier 2, tool disc carrier 4 rotates and can drive tool disc 4 synchronous rotation, and it is convenient for automatic tool changing, in order to improve the rotation accuracy of tool disc carrier 2, the outside of tool disc carrier 2 is sleeved with the index gear 21 of being fixedly connected with it, the index gear 21 is horizontally arranged, and it is located on the top above tool disc 4, and the index gear 21 is arranged in parallel with tool disc 4, in order to guarantee the rotation accuracy of index gear 21, one side of frame 1 is provided with servo drive mechanism of being fixedly connected with it, and the lower side of servo rotation mechanism is provided with output gear 22 of being transmission connected with it, output gear 22 is horizontally arranged, and it is engaged with the tooth shape of index gear 21, refer to the drawing of the utility model Figure 1 And 2 As shown in the drawing, the servo drive mechanism is composed of servo motor 3 and speed reducer 31, the power input end of speed reducer 31 is upward, and the power output end is downward, the power output end of speed reducer 31 is transmission connected with output gear 22, speed reducer 31 can drive output gear 22 to rotate horizontally, and output gear 22 can drive index gear 21 to rotate, the servo motor 3 is fixedly connected with speed reducer 31, the servo motor 3 is fixedly connected on the top of speed reducer 31, and the transmission shaft of servo motor 3 is transmission connected with the power input end of speed reducer 31, in order to avoid preventing recovery and scrap from falling on tool disc 4, the left and right sides of frame 1 are provided with the protective cover 11 that is symmetrical with each other, the protective cover 11 is fixedly installed on the both sides of frame 1 through bolts, and the top is horizontally bent, covers the top above index gear 21 and output gear 22, the left and right two protective covers 11 are wrapped in tool disc carrier 2 and tool disc 4, that is, the left and right two protective covers 11 are wrapped outside tool disc carrier 2 and tool disc 4, it needs to be explained that the back surface between the left and right two protective covers 11 is connected together through sheet metal block, realizes the closure of the left and right sides, top and rear side of tool disc carrier 2 and tool disc 4, the bottom below tool disc 4 is open, the installation of various length tool rest 41 on tool disc 4 is not limited by space, ensures that tool disc 4 will not affect tool rest 41 when rotating horizontally, the front of frame 1 is provided with swing door 5, the swing door 5 is movably connected with the two protective covers 11 on the left and right sides of frame 1, the swing door 5 can move left and right relative to the protective cover 11, and it is convenient to open and change tools, specifically, refer to the drawing of the utility model Figure 1 And 4As shown, the movable door 5 is movably connected with the protective cover 11 through the cylinder 6; the cylinder 6 is fixedly connected on one of the protective covers 11 on the left and right sides of the frame 1, and is arranged transversely along the width direction between the two protective covers 11; the piston rod of the cylinder 6 is fixedly connected with the cylinder bracket 61 fixedly connected on the top of the inner side of the movable door 5, and the cylinder 6 can drive the movable door 5 to move leftward and rightward; in order to ensure the stability of the movable door 5 moving leftward and rightward, referring to the drawings attached to the specification Figure 3 As shown, the movable door 5 has an umbrella-shaped structure, and the front surface is outwardly inclined, which is composed of an inclined protective surface 51 and a vertical guide connecting surface 53; the inclination angle of the protective surface 51 is 40 degrees, and the top is horizontally bent towards the frame 1; the cylinder bracket 61 is fixed below the horizontally bent part of the top of the protective surface 51; the guide connecting surface 53 is located at the bottom of the protective surface 51 and is integrally formed with the protective surface 51; in order to ensure that the movable door 5 can move leftward and rightward under the action of the cylinder 6 and ensure the stability of the movement, the top of the protective surface 51 is movably connected with the upper sliding mechanism 7 fixedly arranged on the top of the left and right protective covers 11, and the inner bottom of the guide connecting surface 53 is movably connected with the lower sliding mechanism 8 fixedly arranged between the left and right protective covers 11; in detail, referring to the drawings attached to the specification Figure 4 As shown, the upper sliding mechanism 7 is composed of a sliding rail 72 and a pulley 73 in rolling cooperation with the sliding rail 72; the end surface of the sliding rail 72 has a C-shaped structure, which is fixed on the top of the left and right protective covers 11 by bolts, and the opening side of the sliding rail 71 is outward; the pulley 73 is arranged in the opening of the sliding rail 71 and can roll leftward and rightward along the slot of the sliding rail 71; the pulley 73 is shaft-connected to the joint 52 on the top of the movable door, and a plurality of pulleys 73 are arranged on the joint 52; the length of the sliding rail 72 is longer than the opening width of the movable door 5; in order to avoid dust falling into the sliding rail 72 and affecting the rolling of the pulley 73, referring to the drawings attached to the specification Figure 4 As shown, the outer cover of the upper sliding mechanism 7 is provided with a dust cover 71, which is fixedly installed on the frame 1 by a sheet metal bracket 9; the front end surface is inclined, and the front end surface covers the top of the movable door 5; referring to the drawings attached to the specification Figure 5 As shown, the lower sliding mechanism 8 is composed of a positioning shaft 83 and a sliding sleeve 82 in sliding cooperation; the sliding sleeve 82 is sleeved on the outside of the positioning shaft 83; the end surface of the positioning shaft 83 is circular, and the left and right ends thereof are fixedly connected to the inner bottom of the left and right protective covers 11 through two positioning shaft fixing plates 81; the sliding sleeve 82 is fixedly connected with the inner side of the guide connecting surface 53; when the movable door 5 moves leftward and rightward, the lower end thereof is guided and limited by the sliding cooperation of the sliding sleeve 82 and the positioning shaft 83, and the stability of the movable door moving leftward and rightward is ensured in cooperation with the upper sliding mechanism 7.

[0028] The umbrella-shaped ATC servo tool magazine of the numerical control machine tool adopts a driving form of a servo motor and a speed reducer, has high positioning accuracy, and can shorten the reverse magazine correction time; the temperature difference of the environment has no influence on tool changing and positioning; the tool magazine metal protection is strengthened, the lower part of the protective cover 11 is open, so that iron filings cannot be accumulated, and meanwhile, the length of the tool rest is not limited by the tool magazine metal, automatic tool changing is facilitated, and high-size product machining of customers is met.

[0029] It should be emphasized that the above is only a preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A numerical control machine tool umbrella type ATC servo tool magazine, comprising a rack (1), a tool disc carrier (2), a tool disc (4) equipped with a tool rest (41), characterized in that: The cutter head bracket (2) is connected to the bottom of the frame (1), and the cutter head (4) is horizontally fixedly connected to the bottom of the cutter head bracket (2); the cutter head bracket (2) is externally sleeved with a division gear plate (21) fixedly connected thereto, the division gear plate (21) is horizontally arranged and located above the top of the cutter head (4); one side of the frame (1) is provided with a servo driving mechanism fixedly connected thereto, and the servo driving mechanism is provided below with an output gear plate (22) drivingly connected thereto, the output gear plate (22) is horizontally arranged and toothedly engaged with the division gear plate (21), and the output gear plate (22) can drive the division gear plate (21) to rotate; the frame (1) is provided with protective covers (11) symmetrically arranged on the left and right sides, the protective covers (11) are arranged outside the cutter head bracket (2) and the cutter head (4); the front of the frame (1) is provided with a movable door (5) movably connected with the two protective covers (11) on the left and right sides of the frame (1).

2. A CNC machine tool umbrella ATC servo tool magazine according to claim 1, characterized in that: The movable door (5) is in an umbrella-shaped structure and is composed of an inclined protective surface (51) and a vertical guide connecting surface (53); the guide connecting surface (53) is located at the bottom of the protective surface (51) and is integrally formed with the protective surface (51); the top of the protective surface (51) is movably connected with an upper sliding mechanism (7) fixedly arranged at the top of the two protective covers (11), and the bottom of the inner side of the guide connecting surface (53) is movably connected with a lower sliding mechanism (8) fixedly connected between the two protective covers (11).

3. A CNC machine tool umbrella ATC servo tool magazine according to claim 2, characterized in that: The upper sliding mechanism (7) is composed of a sliding rail (72) and a pulley (73) in rolling connection with the sliding rail (72); the pulley (73) is fixedly connected with the upper end of the protective cover (11) through a joint (52), and the sliding rail (72) is fixed at the top of the protective cover (11).

4. The CNC machine umbrella type ATC servo tool magazine according to claim 2, characterized in that: The lower sliding mechanism (8) is composed of a positioning shaft (83) and a sliding sleeve (82) in sliding connection, the sliding sleeve (82) is sleeved outside the positioning shaft (83), and the positioning shaft (83) is fixedly connected to the inner side of the protective cover (11) through a positioning shaft fixing plate (81); the sliding sleeve (82) is fixedly connected with the inner side of the guide connecting surface (53).

5. A CNC machine tool umbrella ATC servo tool magazine according to claim 2, characterized in that: The upper sliding mechanism (7) is externally covered with a dust cover (71), and the dust cover (71) is fixedly installed on the frame (1) through a sheet metal bracket (9).

6. A CNC machine tool umbrella ATC servo tool magazine according to claim 1 characterized by: The movable door (5) is movably connected with the protective cover (11) through a cylinder (6); the cylinder (6) is fixedly connected to one of the protective covers (11) on the left and right sides of the frame (1), and the piston rod of the cylinder (6) is fixedly connected with a cylinder bracket (61) fixedly connected to the top of the inner side of the movable door (5).

7. The CNC machine tool umbrella ATC servo tool magazine according to claim 1, characterized in that: The servo driving mechanism is composed of a servo motor (3) and a speed reducer (31); the speed reducer (31) is fixedly arranged on the frame (1), and the power output end of the speed reducer (31) is drivingly connected with the output gear plate (22); the servo motor (3) is fixedly connected with the speed reducer (31), and the transmission shaft of the servo motor (3) is drivingly connected with the power input end of the speed reducer (31).