Full-automatic head changing mechanism of fixed-beam gantry machining center

Abstract

The utility model discloses a full-automatic head changing mechanism of a fixed-beam gantry machining center. The full-automatic head changing mechanism comprises a machining tool. The machining machine tool is composed of a base, a portal frame and a containing table, the portal frame is installed in the middle of the upper end of the base, a moving mechanism is installed in the upper end of the portal frame, a machining mechanism is installed on the upper side of the moving mechanism, the containing table is composed of a rotating table and a mounting base, and a transmission mechanism is installed at the bottom end of the rotating table. The bottom end of the transmission mechanism is mounted on the upper side of a second motor, the second motor is mounted in the mounting base, and a plurality of containing grooves are evenly formed in the upper side of the rotating table. When different machining heads need to be replaced, the second motor drives the rotating table to move through the transmission mechanism, the specific machining heads in the containing grooves in the upper side of the rotating table are rotated to the bottom end of the machining mechanism, conversion can be conducted, the containing grooves are formed in the upper side of the rotating table, and the different machining heads can be conveniently and rapidly converted.

Description

Technical Field

[0001] The utility model relates to the technical field of head changing mechanisms, in particular to a full-automatic head changing mechanism for a fixed-beam gantry machining center. Background Art

[0002] The fixed-beam gantry machining center is a independently developed series of fixed-beam gantry boring and milling machines with a movable worktable. This series inherits the advantages of traditional gantry machine tools, such as strong frame rigidity, symmetrical structure, and high stability, while incorporating internationally advanced dynamic rigidity design concepts. All designs are designed entirely using PRO / E 3D software, and the main machine structure is analyzed using finite element analysis. By optimizing the reinforcement structure and distributing mass, the moving components are optimized. The fixed-beam gantry requires a head change during machining.

[0003] Chinese patent number CN201520348138.0 discloses a fully automatic head changing mechanism for a fixed-beam gantry machining center, which includes: a base; a cylinder, which is mounted on the base; a right-angle head support frame, which is used to mount a right-angle head, and the right-angle head support frame is mounted on the base through a guide rail slider pair, and the transmission rod of the cylinder is connected to the right-angle head support frame through a connecting assembly so that when the cylinder is actuated, the right-angle head support frame is pushed to slide on the base.

[0004] When the prior art is used, when switching the processing head, only a single processing head can be switched, and the processing head cannot be selected in a wider range and with more choices. Utility Model Content

[0005] The purpose of the utility model is to provide a fully automatic head changing mechanism for a fixed beam gantry machining center to solve the problems raised in the prior art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fully automatic head changing mechanism of a fixed-beam gantry machining center, comprising a processing machine tool; the processing machine tool is composed of a base, a gantry and a placement table, the gantry is installed in the middle position of the upper end of the base, a moving mechanism is installed inside the upper end of the gantry, a processing mechanism is installed on the upper side of the moving mechanism, the placement table is composed of a rotating table and a mounting seat, a transmission mechanism is installed at the bottom end of the rotating table, the bottom end of the transmission mechanism is installed on the upper side of a second motor, the second motor is installed inside the mounting seat, and a plurality of placement slots are evenly installed at the upper position of the rotating table.

[0007] Preferably, the moving mechanism consists of a power mechanism, a screw rod and a screw rod nut. The screw rod is rotatably installed at the internal position of the upper end of the gantry, and the screw rod nut is rotatably installed at the upper side of the screw rod. One end of the screw rod passes through the gantry and is installed at the front end of the power mechanism. The power mechanism is installed at a side position of the gantry.

[0008] Preferably, the power mechanism consists of a first motor and a transmission, the transmission is installed on one side of the gantry, and the first motor is installed on one side of the transmission.

[0009] Preferably, the processing mechanism consists of a telescopic rod, a movable plate, a clamping member, a third motor and a processing head, the processing head is installed at the bottom end of the third motor, the third motor is installed at the bottom end of the clamping member, the clamping member is installed at the bottom end of the telescopic rod, the telescopic rod is installed at the upper position of the movable plate, and the movable plate is installed on the upper side of the movable mechanism.

[0010] Preferably, the transmission mechanism consists of an internal gear and a driving gear, the driving gear and the internal gear are meshed and connected, the internal gear is installed at the bottom end of the rotating table, and the driving gear is installed at the upper end of the second motor.

[0011] Preferably, a shaft is installed at a middle position below the rotating table, the bottom end of the screw rod is installed inside the angle sensor, and the angle sensor is installed at the bottom end position inside the mounting base.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. When a different processing head needs to be replaced, the second motor drives the rotary table through the transmission mechanism to move, and the specific processing head inside the placement slot on the upper side of the rotary table is rotated to the bottom of the processing mechanism to switch. In addition, multiple placement slots are provided on the upper side of the rotary table to facilitate the rapid conversion of different processing heads.

[0014] 2. When the processing mechanism is in use, the telescopic rod is turned on by the switch, and the telescopic rod will drive the third motor to move downward, and the third motor will drive the processing head to operate, and the processing head will process the workpiece. The third motor and the processing head in the section can be automatically replaced by the clamping part;

[0015] 3. When the transmission mechanism is in use, the first motor will drive the driving gear to rotate, and the driving gear will drive the internal gear to rotate, thereby driving the rotating platform to rotate;

[0016] 4. The turntable will drive the shaft to rotate during the rotation process. During the rotation of the shaft, the angle of rotation of the turntable can be measured by the angle sensor, thereby facilitating the control of the rotation angle of the turntable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the top structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the placement table structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the placement table of the utility model.

[0022] In the figure: 1. Processing machine tool; 2. Base; 3. Gantry; 4. Power mechanism; 5. Processing mechanism; 6. Telescopic rod; 7. Moving plate; 8. Screw nut; 9. Third motor; 10. Processing head; 11. Moving mechanism; 12. Screw; 13. Placement table; 14. First motor; 15. Transmission; 16. Mounting seat; 17. Transmission mechanism; 18. Internal gear; 19. Driving gear; 20. Second motor; 21. Placement slot; 22. Rotating table; 23. Shaft; 24. Angle sensor; 25. Clamping part. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 In an embodiment of the utility model, a fully automatic head changing mechanism of a fixed-beam gantry machining center includes a processing machine tool 1; the processing machine tool 1 is composed of a base 2, a gantry 3 and a placement table 13, the gantry 3 is installed in the middle position of the upper end of the base 2, a moving mechanism 11 is installed inside the upper end of the gantry 3, and a processing mechanism 5 is installed on the upper side of the moving mechanism 11. The placement table 13 is composed of a rotating table 22 and a mounting seat 16, a transmission mechanism 17 is installed at the bottom end of the rotating table 22, the bottom end of the transmission mechanism 17 is installed on the upper side of the second motor 20, the second motor 20 is installed in the internal position of the mounting seat 16, and a plurality of placement slots 21 are evenly installed on the upper side of the rotating table 22.

[0025] The moving mechanism 11 consists of a power mechanism 4, a screw rod 12 and a screw nut 8. The screw rod 12 is rotatably installed in the internal position of the upper end of the gantry 3, and the screw nut 8 is rotatably installed on the upper side of the screw rod 12. One end of the screw rod 12 passes through the gantry 3 and is installed at the front end of the power mechanism 4. The power mechanism 4 is installed on one side of the gantry 3. When the moving mechanism 11 is in use, the power mechanism 4 is turned on by the switch, and the power mechanism 4 will drive the screw rod 12 to rotate. During the rotation of the screw rod 12, the processing mechanism 5 is driven to move by the action of the screw nut 8.

[0026] The power mechanism 4 consists of a first motor 14 and a transmission 15. The transmission 15 is installed on one side of the gantry 3, and the first motor 14 is installed on one side of the transmission 15. When the power mechanism 4 is in use, the first motor 14 is turned on by the switch, and the first motor 14 will drive the transmission 15 to run. The transmission 15 will adjust the rotation speed of the first motor 14 before outputting it.

[0027] The processing mechanism 5 is composed of a telescopic rod 6, a movable plate 7, a clamping member 25, a third motor 9 and a processing head 10. The processing head 10 is installed at the bottom end of the third motor 9, the third motor 9 is installed at the bottom end of the clamping member 25, the clamping member 25 is installed at the bottom end of the telescopic rod 6, the telescopic rod 6 is installed at the upper side of the movable plate 7, and the movable plate 7 is installed on the upper side of the movable mechanism 11. When the processing mechanism 5 is in use, the telescopic rod 6 is turned on by the switch, the telescopic rod 6 will drive the third motor 9 to move downward, the third motor 9 will drive the processing head 10 to run, and the workpiece is processed by the processing head 10. The third motor 9 and the processing head 10 in the section can be automatically replaced by the clamping member 25.

[0028] The transmission mechanism 17 consists of an internal gear 18 and a driving gear 19, which are meshed with each other. The internal gear 18 is mounted at the bottom end of the rotary table 22, and the driving gear 19 is mounted at the upper end of the second motor 20. When the transmission mechanism 17 is in use, the first motor 14 will drive the driving gear 19 to rotate, and the driving gear 19 will drive the internal gear 18 to rotate, thereby driving the rotary table 22 to rotate; a shaft rod 23 is installed at the middle position below the rotary table 22, and the bottom end of the screw rod 12 is mounted inside the angle sensor 24, which is mounted at the bottom end of the mounting base 16. The rotary table 22 will drive the shaft rod 23 to rotate during its rotation. During the rotation of the shaft rod 23, the angle sensor 24 can measure the rotation angle of the rotary table 22, thereby facilitating the control of the rotation angle of the rotary table 22.

[0029] The working principle and usage process of the present invention are as follows: when the processing machine tool 1 is in use, the processing mechanism 5 is moved by the moving mechanism 11, and the workpiece is processed by the processing mechanism 5. When the processing head 10 needs to be replaced, the moving mechanism 11 moves the processing mechanism 5 to the top of the placement table 13, and the processing mechanism 5 moves downward to automatically disassemble and automatically clamp and switch. When the placement table 13 is in use, multiple processing heads 10 required for processing are placed inside the placement slot 21. When different processing heads 10 need to be replaced, the second motor 20 drives the rotating table 22 to move through the transmission mechanism 17, and the specific processing head 10 inside the placement slot 21 on the upper side of the rotating table 22 is rotated to the bottom end of the processing mechanism 5 for conversion, and multiple placement slots 21 are provided on the upper side of the rotating table 22, which is convenient for quickly switching different processing heads 10.

[0030] Finally, it should be noted that the above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein with equivalents. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A fully automatic head changing mechanism for a fixed beam gantry machining center, comprising a machining machine (1); characterized in that: The processing machine tool (1) is composed of a base (2), a gantry (3) and a placement table (13); the gantry (3) is installed at the middle position of the upper end of the base (2); a moving mechanism (11) is installed inside the upper end of the gantry (3); a processing mechanism (5) is installed at the upper side of the moving mechanism (11); the placement table (13) is composed of a rotating table (22) and a mounting seat (16); a transmission mechanism (17) is installed at the bottom end of the rotating table (22); the bottom end of the transmission mechanism (17) is installed on the upper side of a second motor (20); the second motor (20) is installed at an internal position of the mounting seat (16); and a plurality of placement slots (21) are evenly installed at the upper side of the rotating table (22).

2. The fully automatic head changing mechanism of a fixed beam gantry machining center according to claim 1, characterized in that: The moving mechanism (11) is composed of a power mechanism (4), a screw rod (12) and a screw rod nut (8); the screw rod (12) is rotatably mounted at an inner position of the upper end of the gantry (3); the screw rod nut (8) is rotatably mounted at an upper side position of the screw rod (12); one end of the screw rod (12) passes through the gantry (3) and is mounted at the front end of the power mechanism (4); and the power mechanism (4) is mounted at a side position of the gantry (3).

3. The fully automatic head changing mechanism of a fixed beam gantry machining center according to claim 2, characterized in that: The power mechanism (4) is composed of a first motor (14) and a transmission (15); the transmission (15) is installed at one side of the gantry (3); and the first motor (14) is installed at one side of the transmission (15).

4. The fully automatic head changing mechanism for a fixed beam gantry machining center according to claim 1, characterized in that: The processing mechanism (5) is composed of a telescopic rod (6), a movable plate (7), a clamping member (25), a third motor (9) and a processing head (10), wherein the processing head (10) is mounted at the bottom end of the third motor (9), the third motor (9) is mounted at the bottom end of the clamping member (25), the clamping member (25) is mounted at the bottom end of the telescopic rod (6), the telescopic rod (6) is mounted at the upper side of the movable plate (7), and the movable plate (7) is mounted at the upper side of the moving mechanism (11).

5. The fully automatic head changing mechanism of a fixed beam gantry machining center according to claim 1, characterized in that: The transmission mechanism (17) is composed of an internal gear (18) and a driving gear (19). The driving gear (19) and the internal gear (18) are meshed and connected. The internal gear (18) is installed at the bottom end of the rotating platform (22), and the driving gear (19) is installed at the upper end of the second motor (20).

6. The fully automatic head changing mechanism for a fixed beam gantry machining center according to claim 1, characterized in that: A shaft (23) is installed at a middle position below the rotating platform (22), and the bottom end of the shaft (23) is installed inside an angle sensor (24), and the angle sensor (24) is installed at a bottom end position inside the mounting seat (16).

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