Gantry type five-axis numerical control machining tool

Through the innovative design of the five-axis drive mechanism and clamping mechanism, the problem of long tool drive stroke when machining large parts on gantry-type five-axis machining centers is solved, efficient multi-angle machining is achieved, machining efficiency is improved and motor interference is avoided.

CN223441685UActive Publication Date: 2025-10-17CHENGDU XIANGCHENG AVIATION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422990947.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-10-17
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

When existing gantry-type five-axis machining centers process larger parts, the tool drive stroke is long, resulting in low machining efficiency.

Method used

The combined design of the five-axis drive mechanism and the clamping mechanism is adopted to reduce the tool driving stroke and realize multi-angle processing by rotating parts and swinging the fixture.

Benefits of technology

It improves processing efficiency, reduces the tool driving stroke when processing at multiple angles, avoids motor interference, and enhances processing flexibility.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223441685U_ABST
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Abstract

The utility model discloses a gantry type five-axis numerical control machining tool which comprises a tool body, a tool, a five-axis driving mechanism, a stand column and a clamping mechanism. The five-axis driving mechanism comprises an X-axis driving part, a Y-axis driving part, a Z-axis driving part, a first motor and a second motor; the clamping mechanism comprises a rotary driving part, a rotary table, a third motor, a rotating shaft, a supporting seat and a clamp, the rotary table is arranged at the bottom of the five-axis driving mechanism, the rotary driving part is connected to the bottom of the rotary table, the third motor and the supporting seat are arranged on the two sides of the rotary table respectively, and the clamp is arranged between the third motor and the supporting seat. The third motor drives the clamp; the cutter is arranged at the tail end of the second motor. According to the gantry type five-axis numerical control machining tool, parts can swing, the angles of the parts can be rotated, the driving stroke is reduced on the basis of double tools, and efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machine tool field especially a kind of gantry five-axis numerical control processing machine tool. BACKGROUND

[0002] Current gantry five-axis processing machine tool realizes five-axis processing by XYZ three-axis drive mechanism cooperation additional two different motors, but when processing multiple angles of larger parts, the driving stroke of tool is longer, and processing efficiency is lower. SUMMARY

[0003] For the above problems, the utility model provides a kind of gantry five-axis numerical control processing machine tool, can swing part and rotate the angle of part, reduce driving stroke on the basis of double tool, improve efficiency.

[0004] The technical scheme of the utility model is as follows:

[0005] A kind of gantry five-axis numerical control processing machine tool, comprising:

[0006] stand, is located at the top of bed body;

[0007] Five-axis drive mechanism, including X-axis drive piece, Y-axis drive piece, Z-axis drive piece, first motor and second motor, the X-axis drive piece includes two, symmetrically set on the top of stand;The Y-axis drive piece includes two, two ends are connected with X-axis drive piece, and two Y-axis drive pieces are symmetrically arranged on X-axis drive piece;The Z-axis drive piece is located on Y-axis drive piece;The first motor is located on Z-axis drive piece, and the shaft is vertical;Second motor is connected to the end of first motor, and the shaft is horizontal;

[0008] clamping mechanism, including rotary drive piece, rotary table, third motor, shaft, support seat and clamp, the rotary table is located in the middle of the bottom of five-axis drive mechanism, the rotary drive piece is located in the bed body, is connected to the bottom of rotary table, the third motor and support seat are respectively located on the opposite sides of rotary table, the clamp is located between third motor and support seat, one end of the shaft is rotatably connected with support seat, and the other end is connected with clamp, and the third motor drives the clamp;

[0009] tool, is located at the end of second motor.

[0010] In further technical solutions, the clamp includes bottom plate, connecting block, first screw rod, fixed clamp block and movable clamp block, the two sides of the bottom plate are respectively connected with third motor and shaft;The connecting block and fixed clamp block are respectively arranged on the opposite sides of the top of bottom plate, the movable clamp block is slidably arranged on the bottom plate, the middle part of connecting block is provided with screw hole matched with first screw rod, and the first screw rod is rotatably connected with movable clamp block by passing through screw hole.

[0011] In a further technical solution, the X-axis driving member comprises a support plate and a first linear motor arranged on the support plate; the Y-axis driving member comprises a crossbeam and a second linear motor arranged on the crossbeam, and the two ends of the crossbeam are respectively connected to the first linear motor.

[0012] In a further technical solution, the Z-axis driving member comprises a mounting plate, a fourth motor, a second screw rod, a movable block and a support block, the mounting plate is connected to the Y-axis driving member, the fourth motor and the support block are respectively arranged on the upper and lower sides of the mounting plate; the movable block is slidably arranged on the mounting plate and is provided with a screw hole matched with the second screw rod in the middle; the second screw rod is arranged through the screw hole of the movable block, one end is rotatably connected to the support block, and the other end is connected to the fourth motor; and the first motor is arranged on one side of the movable block.

[0013] In a further technical solution, the cutter is connected to the second motor and extends to the bottom side of the first motor.

[0014] In a further technical solution, the end of the first screw rod is provided with a handle.

[0015] The beneficial effects of the utility model are:

[0016] 1, after the clamps on the clamping mechanism are fixed, the third motor can drive the clamps to swing on the rotary table to adjust the angle of the parts, and the rotary driving member is driven to rotate the rotary table, so that the adjustment of multiple angles of the parts can be realized, and the machining is facilitated; the five-axis driving mechanism is arranged in pairs, so that the two cutters can process multiple surfaces of the parts at one time, the stroke of driving is reduced, and the efficiency is improved.

[0017] 2, the cutter is located on the bottom side of the first motor, so that the cutter has a wider range of movement under the driving of the first motor and the second motor, and the two first motors and the two Z-axis driving members are not easy to interfere with each other when the two cutters are machined at similar positions. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 is a front view schematic diagram of a gantry type five-axis numerical control machining machine tool according to an embodiment of the utility model;

[0019] Fig. 2 is a structural schematic diagram of a column and a five-axis driving mechanism according to an embodiment of the utility model;

[0020] Fig. 3 is a structural schematic diagram of a clamping mechanism according to an embodiment of the utility model.

[0021] MARK NO.

[0022] 10. Bed; 20. Tool; 31. X-axis drive; 311. Support plate; 312. First linear motor; 32. Y-axis drive; 321. Crossbeam; 322. Second linear motor; 33. Z-axis drive; 331. Mounting plate; 332. Fourth motor; 333. Second screw rod; 334. Movable block; 335. Support block; 34. First motor; 35. Second motor; 40. Column; 51. Rotary drive; 52. Turntable; 53. Third motor; 54. Rotating shaft; 55. Support seat; 561. Base plate; 562. Connecting block; 563. First screw rod; 564. Fixed clamping block; 565. Movable clamping block; 566. Turning handle. DETAILED DESCRIPTION

[0023] The embodiments of the present invention will be further described below with reference to the accompanying drawings.

[0024] Example:

[0025] like Figs. 1-3 As shown, a gantry type five-axis CNC machining machine includes a bed 10, a tool 20, a five-axis drive mechanism, a column 40 and a clamping mechanism; the column 40 includes four, which are respectively arranged around the top of the bed 10; the five-axis drive mechanism includes an X-axis drive member 31, a Y-axis drive member 32, a Z-axis drive member 33, a first motor 34 and a second motor 35, the X-axis drive member 31 includes two, which are symmetrically arranged on the top of the column 40; the Y-axis drive member 32 includes two, both ends of which are connected to the X-axis drive member 31 respectively, and the two Y-axis drives 32 are symmetrically arranged on the X-axis drive member 31; the Z-axis drive member 33 is arranged on the Y-axis drive member 32; the first motor 34 is arranged on the Z-axis drive member 33, and the axial direction is vertical; a special housing is provided on the outside of the second motor 35 to connect the end of the machine shaft of the first motor 34, and the axial direction of the second motor 35 is horizontal; the clamping mechanism includes a rotating drive member 51, a turntable 52, a third motor 53, a rotating shaft 54, a support seat 55 and a fixture, the turntable 5 2 is located in the middle of the bottom of the five-axis drive mechanism, the rotary drive member 51 is located in the bed 10, and can be a motor. The rotary drive member 51 is connected to the middle of the bottom of the turntable 52. The third motor 53 and the support seat 55 are respectively located on opposite sides of the turntable 52. The clamp is located between the third motor 53 and the support seat 55. One end of the rotating shaft 54 ​​is rotatably connected to the support seat 55, and the other end is connected to the clamp. The third motor 53 drives the connection clamp; the clamp includes a bottom plate 561, a connecting block 562, and a third motor 53. A screw rod 563, a fixed clamp block 564 and a movable clamp block 565, the two sides of the base plate 561 are respectively connected to the third motor 53 and the rotating shaft 54; the connecting block 562 and the fixed clamp block 564 are respectively arranged on the opposite sides of the top of the base plate 561, and the movable clamp block 565 is slidably arranged on the base plate 561. A screw hole matching the first screw rod 563 is provided in the middle of the connecting block 562, and the first screw rod 563 is rotated through the screw hole to connect to the movable clamp block 565; the tool 20 is arranged at the end of the second motor 35.

[0026] The working principle of the above technical solution is as follows:

[0027] In use, the part to be machined is placed between the movable clamp block 565 and the fixed clamp block 564 on the bottom plate 561, the first lead screw 563 is rotated to push the movable clamp block 565 to approach the fixed clamp block 564, and the part is clamped and fixed; the X-axis drive 31 on the column 40 drives the two Y-axis drives 32 to move in the left-right direction, the Y-axis drive 32 drives the Z-axis drive 33 to move in the front-back direction, the Z-axis drive 33 drives the first motor 34 to move in the up-down direction, the first motor 34 drives the second motor 35 to rotate in the horizontal direction, and the second motor 35 drives the cutter 20 to rotate in the vertical direction; during the machining of the two cutters 20 at multiple angles driven by the five-axis drive mechanism, the rotary drive 51 drives the turntable 52 to rotate, and the third motor 53 drives the clamp to swing, thereby achieving adjustment of multiple angles during part machining in multiple dimensions.

[0028] In another embodiment, as shown in Fig. 2 The X-axis drive 31 includes a support plate 311 and a first linear motor 312 arranged on the support plate 311; the Y-axis drive 32 includes a cross beam 321 and a second linear motor 322 arranged on the cross beam 321, and the two ends of the cross beam 321 are respectively connected to the first linear motor 312; the Z-axis drive 33 includes a mounting plate 331, a fourth motor 332, a second lead screw 333, a movable block 334, and a support block 335, the mounting plate 331 is connected to the Y-axis drive 32, the fourth motor 332 and the support block 335 are respectively arranged on the upper and lower sides of the mounting plate 331; the movable block 334 is slidingly arranged on the mounting plate 331 and has a screw hole in the middle part matched with the second lead screw 333; the second lead screw 333 is arranged through the screw hole of the movable block 334, one end is rotatably connected to the support block 335, and the other end is connected to the fourth motor 332; the first motor 34 is arranged on one side of the movable block 334.

[0029] The support plate 311 is used to connect the column 40, the first linear motor 312 stably drives the cross beam 321 to translate, the second linear motor 322 stably drives the mounting plate 331 to translate, the fourth motor 332 rotates the second lead screw 333 to drive the movable block 334 to move stably in the up-down direction, thereby driving the first motor 34 to move up and down.

[0030] In another embodiment, as shown in Figs. 1-2 The cutter 20 is connected to the second motor 35 and extends to the bottom side of the first motor 34.

[0031] The cutter 20 is located on the bottom side of the first motor 34, so that the cutter 20 has a wider range of motion under the drive of the first motor 34 and the second motor 35, and the two first motors 34 and the two Z-axis drives 33 are less likely to interfere with each other when the two cutters 20 are machined at similar positions.

[0032] In another embodiment, Fig. 1 and Fig. 3 As shown, a rotating handle 566 is provided at the end of the first screw rod 563 .

[0033] It is convenient to rotate the first screw rod 563.

[0034] The above-described embodiments merely represent specific implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the scope of the present invention, all of which fall within the scope of protection of the present invention.

Claims

1. A gantry-type five-axis CNC machining machine tool, characterized in that: include: The column is located on the top of the bed; A five-axis drive mechanism includes an X-axis drive, a Y-axis drive, a Z-axis drive, a first motor, and a second motor. The X-axis drive includes two symmetrically arranged on the top of the column; the Y-axis drive includes two, each end of which is connected to the X-axis drive, and the two Y-axis drives are symmetrically arranged on the X-axis drive; the Z-axis drive is arranged on the Y-axis drive; the first motor is arranged on the Z-axis drive, with its axis vertical; the second motor is connected to the end of the first motor, with its axis horizontal; The clamping mechanism includes a rotary drive member, a turntable, a third motor, a rotating shaft, a support base and a clamp, wherein the turntable is arranged in the middle of the bottom of the five-axis drive mechanism, the rotary drive member is arranged in the bed and connected to the bottom of the turntable, the third motor and the support base are respectively arranged on opposite sides of the turntable, the clamp is arranged between the third motor and the support base, one end of the rotating shaft is rotatably connected to the support base, and the other end is connected to the clamp, and the third motor drives the connection clamp; The tool is arranged at the end of the second motor.

2. A gantry-type five-axis CNC machining center according to claim 1, characterized in that: The clamp includes a base plate, a connecting block, a first screw rod, a fixed clamp block and a movable clamp block, and the two sides of the base plate are respectively connected to the third motor and the rotating shaft; the connecting block and the fixed clamp block are respectively arranged on the opposite sides of the top of the base plate, and the movable clamp block is slidably arranged on the base plate, and a screw hole matching the first screw rod is provided in the middle of the connecting block, and the first screw rod passes through the screw hole and rotates to connect the movable clamp block.

3. A gantry-type five-axis CNC machining center according to claim 1, characterized in that: The X-axis driving component includes a support plate and a first linear motor arranged on the support plate; the Y-axis driving component includes a beam and a second linear motor arranged on the beam, and both ends of the beam are respectively connected to the first linear motor.

4. A gantry-type five-axis CNC machining center according to claim 3, characterized in that: The Z-axis driving component includes a mounting plate, a fourth motor, a second screw rod, a movable block and a support block. The mounting plate is connected to the Y-axis driving component. The fourth motor and the support block are respectively arranged on the upper and lower sides of the mounting plate; the movable block is slidably arranged on the mounting plate, and a screw hole matching the second screw rod is provided in the middle; the second screw rod is set through the screw hole of the movable block, one end is rotated to connect the support block, and the other end is driven by the fourth motor; the first motor is arranged on one side of the movable block.

5. The gantry-type five-axis CNC machining center according to claim 1, characterized in that: After being connected to the second motor, the cutter extends to one side of the bottom of the first motor.

6. A gantry-type five-axis CNC machining center according to claim 2, characterized in that: A rotating handle is provided at the end of the first screw rod.