Precise cutter automatic replacing device for planer type milling machine

Abstract

The utility model relates to the technical field of milling machine tool changing devices, and discloses an automatic precise tool changing device for a planer type milling machine, which comprises a tool box, a ventilation assembly is arranged in the tool box, a ventilation pipe is fixedly connected to the left side of the tool box, a filtering assembly is arranged in the ventilation pipe, and a mounting disc is arranged on the rear side in the tool box. A plurality of evenly-distributed replacement tools are slidably connected into the mounting disc, a supporting rod is slidably connected to the front side of the interior of the tool box, a rotating shaft is rotatably connected into the supporting rod, and a rotating rod is fixedly connected to the top end of the rotating shaft. According to the utility model, one telescopic end of the electric push rod pushes the support rod to move, so that the clamp carries the replacement cutter to move out of the cutter box, then the position of the milling machine cutter is adjusted, the cutter is replaced, and airflow enters the cutter box and is uniformly blown into the cutter box through the air duct and the plurality of ventilation holes, so that the replaced cutter is cooled.

Description

Technical Field

[0001] The utility model relates to the technical field of tool changing devices for milling machines, in particular to an automatic precision tool changing device for a gantry milling machine. Background Art

[0002] Gantry milling machine is a common CNC machine tool. Its main feature is the gantry structure. It has many advantages such as large processing range, good rigidity and suitability for large workpiece processing. It is one of the common and important processing equipment in modern manufacturing industry.

[0003] The gantry milling machine processes the workpiece by cutting the tool on the workpiece surface. The CNC system controls the tool to perform precise cutting operations on the workpiece surface according to the preset processing program, including transverse cutting, longitudinal cutting and radial cutting operations.

[0004] During the process of machining workpieces on a gantry milling machine, the tool needs to be replaced. The existing gantry milling machine requires manual replacement of the tool during replacement. However, manual replacement of the tool is affected by the proficiency of the manual operation, and it is not easy to ensure the correctness and stability of the tool installation, which may cause machining errors due to improper tool installation. Therefore, a precision tool automatic changing device for a gantry milling machine is proposed to solve the above problems. Utility Model Content

[0005] In order to make up for the above shortcomings, the utility model provides an automatic precision tool changing device for a gantry milling machine, aiming to improve the problem in the prior art that it is difficult to ensure the correctness and stability of tool installation when manually changing tools.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] The automatic changing device of precision tools for gantry milling machine comprises a tool box, wherein a ventilation assembly is arranged inside the tool box, a ventilation pipe is fixedly connected to the left side of the tool box, a filter assembly is arranged inside the ventilation pipe, a mounting plate is arranged inside the rear side of the tool box, a plurality of evenly distributed replacement tools are slidably connected inside the mounting plate, a support rod is slidably connected inside the front side of the tool box, a rotating shaft is rotatably connected inside the support rod, a rotating rod is fixedly connected to the top of the rotating shaft, two electric push rods 2 are fixedly connected inside the rotating rod, a moving rod is fixedly connected to the telescopic end of the electric push rod 2, a roller 2 is rotatably connected inside one end of the moving rod, guide blocks are fixedly connected to the front and rear sides of the moving rod, a plurality of evenly distributed clamps are arranged inside the rotating rod, a fixed shaft is rotatably connected to the middle part of the clamp, the fixed shaft is fixedly connected inside the rotating rod, a roller 1 is rotatably connected inside one end of the clamp, the roller 1 abuts against one side of the guide block, and a rubber pad is fixedly connected to one side of the clamp;

[0008] As a further description of the above technical solution:

[0009] The filter assembly includes a filter plate, the filter plate is slidably connected to the inside of the ventilation pipe, two springs are fixedly connected to the inside of the ventilation pipe, the top of the spring abuts against the bottom of the filter plate, a stopper is fixedly connected to the inside of the ventilation pipe, and the bottom of the stopper abuts against the top of the filter plate;

[0010] As a further description of the above technical solution:

[0011] The ventilation assembly includes a fan, the fan is fixedly connected to the inside of the tool box, an air duct is provided inside the tool box, a plurality of evenly distributed ventilation holes are provided inside the tool box, the ventilation holes are connected to the air duct, and a plurality of evenly distributed exhaust holes are provided inside the right side of the tool box;

[0012] As a further description of the above technical solution:

[0013] A slider is fixedly connected to the bottom side of the guide block, a plurality of evenly distributed slide grooves are provided inside the rotating rod, and the slider is slidably connected inside the slide grooves;

[0014] As a further description of the above technical solution:

[0015] An electric push rod is fixedly connected to the bottom of the tool box, a guide rod is fixedly connected to the bottom of the tool box, the bottom of the support rod is slidably connected to the outer periphery of the guide rod, and the telescopic end of the electric push rod is fixedly connected to one side of the support rod;

[0016] As a further description of the above technical solution:

[0017] The right side of the tool box is fixedly connected to a motor 1, a driving end of the motor 1 is fixedly connected to a threaded rod, the outer periphery of the threaded rod is threadedly connected to a moving block, the bottom side of the moving block is fixedly connected to a sealing door, and the sealing door is slidably connected to the inside of the tool box;

[0018] As a further description of the above technical solution:

[0019] The outer periphery of the support rod is fixedly connected with a motor 2, the driving end of the motor 2 is fixedly connected with a gear 1, the outer periphery of the rotating shaft is fixedly connected with a plurality of evenly distributed teeth 1, and the teeth 1 are meshed with the gear 1;

[0020] As a further description of the above technical solution:

[0021] A support shaft is fixedly connected to the bottom side of the mounting plate, and the bottom end of the support shaft is rotatably connected to the inside of the bottom side of the tool box. A motor three is fixedly connected to the inside of the bottom side of the tool box, and a gear two is fixedly connected to the driving end of the motor three. A plurality of evenly distributed teeth two are fixedly connected to the outer periphery of the support shaft, and the teeth two are meshingly connected to the gear two.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the telescopic end of the electric push rod is extended to push the moving rod to move. During the movement of the moving rod, the two guide blocks respectively push the two clamps to rotate. The two clamps rotate to clamp and fix the replacement tool. Then, the motor 2 can be started to drive the gear 1 to rotate. The gear 1 drives the rotating shaft to rotate through multiple teeth to adjust the angle of the clamp. The electric push rod 1 is started, and the telescopic end of the electric push rod 1 pushes the support rod to move so that the clamp carries the replacement tool out of the tool box. Then, the position of the milling machine tool is adjusted and the tool is replaced.

[0024] 2. In the utility model, the replaced tool can be placed inside the mounting plate, and the fan is started to drive the airflow. The airflow enters the tool box through the ventilation duct and blows evenly to the inside of the tool box through the air duct and multiple ventilation holes, thereby cooling the replaced tool. When the airflow enters the tool box, the filter plate can prevent dust from entering the tool box with the airflow, and the filter plate can be taken out for cleaning to maintain the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic diagram of the automatic changing device for precision tools for a gantry milling machine proposed by the utility model;

[0026] Figure 2 This is a structural schematic diagram of the support rod of the automatic precision tool changing device for a gantry milling machine proposed by the utility model;

[0027] Figure 3 This is a structural schematic diagram of the rotating rod of the automatic precision tool changing device for a gantry milling machine proposed by the utility model;

[0028] Figure 4 This is a schematic diagram of the structure of the air duct of the automatic precision tool changing device for a gantry milling machine proposed by the utility model;

[0029] Figure 5 This is a structural schematic diagram of the ventilation pipe of the automatic precision tool changing device for a gantry milling machine proposed by the utility model;

[0030] Figure 6 This is a structural schematic diagram of the threaded rod of the automatic precision tool changing device for a gantry milling machine proposed by the utility model;

[0031] Figure 7 The utility model is a schematic diagram of the structure of the mounting plate of the automatic precision tool changing device for the gantry milling machine.

[0032] Legend:

[0033] 1. Ventilation duct; 2. Sealing door; 3. Support rod; 4. Motor 1; 5. Rotating rod; 6. Tool box; 7. Tooth 1; 8. Motor 2; 9. Gear 1; 10. Guide rod; 11. Electric push rod 1; 12. Rubber pad; 13. Rotating shaft; 14. Clamp; 15. Guide block; 16. Electric push rod 2; 17. Slider; 18. Roller 1; 19. Fixed shaft; 20. Roller 2; 21. Fan; 22. Ventilation hole; 23. Air duct; 24. Block; 25. Filter plate; 26. Spring; 27. Moving block; 28. Threaded rod; 29. ​​Mounting plate; 30. Tooth 2; 31. Motor 3; 32. Gear 2; 33. Support shaft; 34. Replacement tool; 35. Moving rod. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Reference Figure 1-Figure 3The utility model provides an embodiment: an automatic precision tool changing device for a gantry milling machine, comprising a tool box 6, the tool box 6 is used to protect the tool, the left side of the tool box 6 is fixedly connected with a ventilation pipe 1, the airflow can enter the tool box 6 through the ventilation pipe 1 to cool the tool, the tool box 6 is provided with a mounting plate 29 at the rear side, the mounting plate 29 is slidably connected with a plurality of evenly distributed replacement tools 34, the mounting plate 29 is used to place the replacement tools 34, the front side of the tool box 6 is slidably connected with a support rod 3, the support rod 3 is rotated inside A rotating shaft 13 is connected, a rotating rod 5 is fixedly connected to the top of the rotating shaft 13, the support rod 3 is used to support the rotating shaft 13 to rotate, the rotating shaft 13 is used to install the rotating rod 5, the rotating rod 5 is used to install the electric push rod 16, the rotating rod 5 is internally fixedly connected with two electric push rods 16, the telescopic end of the electric push rod 16 is fixedly connected to the moving rod 35, one end of the moving rod 35 is internally rotatably connected with the roller 20, the telescopic end of the electric push rod 16 can be telescoped to drive the moving rod 35 to move, and the roller 20 can lower the moving rod 35 and the replacement The friction between the replacement tools 34 prevents the moving rod 35 from scratching the replacement tool 34. The front and rear sides of the moving rod 35 are fixedly connected with guide blocks 15. The bottom side of the guide block 15 is fixedly connected with a slider 17. A plurality of evenly distributed slide grooves are provided inside the rotating rod 5. The slider 17 is slidably connected inside the slide groove. The movement of the moving rod 35 can drive the guide block 15 to move. The movement of the guide block 15 can push the fixture 14 to rotate. The slider 17 slides inside the slide groove to limit the movement of the guide block 15. A plurality of evenly distributed fixtures 14 are provided inside the rotating rod 5. A fixed shaft 19 is rotatably connected to the middle part of the clamp 14, and the fixed shaft 19 is fixedly connected to the inside of the rotating rod 5. The fixed shaft 19 is used to limit the rotation of the clamp 14. The rotation of the clamp 14 can clamp and fix the replaceable tool 34. A roller 18 is rotatably connected to one end of the clamp 14, and the roller 18 abuts against one side of the guide block 15. The roller 18 can reduce the friction between the clamp 14 and the guide block 15. A rubber pad 12 is fixedly connected to one side of the clamp 14, and the rubber pad 12 is used to increase the friction between the clamp 14 and the replaceable tool 34.

[0036] Reference Figure 1 , Figure 4 A ventilation component is provided inside the tool box 6, and the ventilation component includes a fan 21. The fan 21 is fixedly connected to the inside of the tool box 6. The rotation of the fan 21 can drive the air flow and allow the air flow to enter the inside of the tool box 6. An air duct 23 is opened inside the tool box 6. A plurality of evenly distributed ventilation holes 22 are opened inside the tool box 6. The ventilation holes 22 and the air duct 23 are interconnected. The air flow can be evenly blown into the inside of the tool box 6 through the air duct 23 and the ventilation holes 22. A plurality of evenly distributed exhaust holes are opened inside the right side of the tool box 6, and the air flow can be discharged from the inside of the tool box 6 through the exhaust holes.

[0037] Reference Figure 1 , Figure 5A filter assembly is provided inside the ventilation pipe 1, and the filter assembly includes a filter plate 25, which is slidably connected inside the ventilation pipe 1. The filter plate 25 can prevent dust from entering the tool box 6 with the airflow. Two springs 26 are fixedly connected inside the ventilation pipe 1. The top of the spring 26 abuts against the bottom side of the filter plate 25. The spring 26 can push the filter plate 25 out of the ventilation pipe 1. A stopper 24 is fixedly connected inside the ventilation pipe 1. The bottom side of the stopper 24 abuts against the top side of the filter plate 25. The stopper 24 can limit the movement of the filter plate 25.

[0038] Reference Figure 1 , Figure 6 A motor 4 is fixedly connected to the right side of the tool box 6, and the motor 4 is used to drive the threaded rod 28 to rotate. The driving end of the motor 4 is fixedly connected to the threaded rod 28, and the outer periphery of the threaded rod 28 is threadedly connected to a moving block 27. The rotation of the threaded rod 28 can drive the moving block 27 to move. The bottom side of the moving block 27 is fixedly connected to a sealing door 2, and the sealing door 2 is slidably connected to the inside of the tool box 6. The moving block 27 can drive the sealing door 2 to move, and the sealing door 2 can seal the tool box 6.

[0039] Reference Figure 1-Figure 2 An electric push rod 11 is fixedly connected to the bottom side of the tool box 6, and a guide rod 10 is fixedly connected to the bottom side of the tool box 6. The bottom of the support rod 3 is slidably connected to the outer periphery of the guide rod 10. The telescopic end of the electric push rod 11 is fixedly connected to one side of the support rod 3. The telescopic end of the electric push rod 11 can drive the support rod 3 to move. The guide rod 10 is used to guide the support rod 3 to move. A motor 28 is fixedly connected to the outer periphery of the support rod 3. A gear 9 is fixedly connected to the driving end of the motor 28. A plurality of uniformly distributed teeth 7 are fixedly connected to the outer periphery of the rotating shaft 13. The teeth 7 are meshed with the gear 9. The motor 28 can drive the gear 9 to rotate. The gear 9 drives the rotating shaft 13 to rotate through the teeth 7. The rotation of the rotating shaft 13 can adjust the rotation of the rotating rod 5.

[0040] Reference Figure 1 , Figure 7 A support shaft 33 is fixedly connected to the bottom side of the mounting plate 29, and the bottom end of the support shaft 33 is rotatably connected to the bottom side of the tool box 6. The support shaft 33 is used to support the mounting plate 29. A motor 31 is fixedly connected to the bottom side of the tool box 6, and a gear 2 32 is fixedly connected to the driving end of the motor 31. A plurality of evenly distributed teeth 2 30 are fixedly connected to the outer periphery of the support shaft 33. The teeth 2 30 are meshed with the gear 2 32. The motor 31 is used to drive the gear 2 32 to rotate, and the gear 2 32 can drive the support shaft 33 to rotate through the teeth 2 30.

[0041] Working principle: when the gantry milling machine needs to replace the tool, start the motor 4, the motor 4 drives the threaded rod 28 to rotate, the rotation of the threaded rod 28 can make the moving block 27 drive the sealing door 2 to move, so as to open the tool box 6, then start the motor 31, the driving end of the motor 31 drives the gear 2 32 to rotate, the gear 2 32 drives the mounting plate 29 to rotate through a plurality of teeth 2 30, so as to select the appropriate replacement tool 34, then start the motor 2 8, the driving end of the motor 2 8 drives the gear 1 9 to rotate, the gear 1 9 drives the rotating shaft 13 to rotate through a plurality of teeth 1 7, so as to adjust the angle of the rotating rod 5, when the fixture 14 is facing the replacement tool 34, turn off the motor 2 8, then start the electric push rod 1 11, the telescopic end of the electric push rod 11 contracts and drives the support rod 3 to move toward the replacement tool 34, when the two adjacent fixtures 14 move to the periphery of the replacement tool 34, start one of the electric push rods 2 16, the telescopic end of the electric push rod 2 16 extends and drives the guide block 15 to move, the guide block 1 During the movement, the two adjacent clamps 14 are pushed to rotate to clamp and fix the replacement tool 34. The electric push rod 11 enables the clamp 14 to take out the replacement tool 34 from the inside of the installation disk 29, and then the position of the milling machine cutter head is adjusted. When the milling machine cutter head moves to the middle of the other two adjacent clamps 14, another electric push rod 2 16 is started. The telescopic end of the other electric push rod 2 16 pushes the other two adjacent clamps 14 to clamp and fix the tool inside the cutter head, raises the height of the milling machine cutter head to take the tool out of the cutter head, and then starts the motor 2 8. The motor 2 8 drives the rotating rod 5 to rotate to replace the positions of the two tools. When the replacement tool 34 moves to the bottom of the cutter head, the height of the cutter head is lowered to insert the replacement tool 34 into the cutter head, thereby completing the tool replacement. The telescopic end of the electric push rod 11 is retracted to recycle the replaced cutter head into the tool box 6. The telescopic end of the electric push rod 2 16 is retracted so that the clamp 14 no longer clamps the cutter head, thereby placing the cutter head inside the installation disk 29. Then start the fan 21, and the rotation of the fan 21 drives the air flow. The air flow enters the tool box 6 through the ventilation pipe 1 and is evenly blown to the inside of the tool box 6 through the air duct 23 and the ventilation hole 22, so as to cool the replacement tool 34. The filter plate 25 can prevent dust from entering the tool box 6 with the air flow. When the filter plate 25 needs to be cleaned, the block 24 can be pressed into the ventilation pipe 1, and then the filter plate 25 will be pushed out of the ventilation pipe 1 by the spring 26, and then the ventilation pipe 1 can be cleaned to maintain the filtering effect.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is 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 can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic precision tool changing device for a gantry milling machine, comprising a tool box (6), characterized in that: A ventilation assembly is provided inside the tool box (6), a ventilation pipe (1) is fixedly connected to the left side of the tool box (6), a filter assembly is provided inside the ventilation pipe (1), a mounting plate (29) is provided inside the rear side of the tool box (6), a plurality of evenly distributed replacement knives (34) are slidably connected inside the mounting plate (29), a support rod (3) is slidably connected inside the front side of the tool box (6), a rotating shaft (13) is rotatably connected inside the support rod (3), a rotating rod (5) is fixedly connected to the top end of the rotating shaft (13), two electric push rods (16) are fixedly connected inside the rotating rod (5), and the electric push rods (16) are 16) The telescopic end is fixedly connected to a moving rod (35), one end of the moving rod (35) is internally rotatably connected to a roller 2 (20), the front and rear sides of the moving rod (35) are fixedly connected to guide blocks (15), a plurality of evenly distributed clamps (14) are arranged inside the rotating rod (5), the middle of the clamp (14) is rotatably connected to a fixed shaft (19), the fixed shaft (19) is fixedly connected to the inside of the rotating rod (5), one end of the clamp (14) is internally rotatably connected to a roller 1 (18), the roller 1 (18) abuts against one side of the guide block (15), and one side of the clamp (14) is fixedly connected to a rubber pad (12).

2. The automatic precision tool changing device for a gantry milling machine according to claim 1, characterized in that: The filter assembly comprises a filter plate (25), the filter plate (25) being slidably connected to the inside of the ventilation pipe (1), two springs (26) being fixedly connected to the inside of the ventilation pipe (1), the top ends of the springs (26) abutting against the bottom side of the filter plate (25), and a stopper (24) being fixedly connected to the inside of the ventilation pipe (1), the bottom side of the stopper (24) abutting against the top side of the filter plate (25).

3. The automatic precision tool changing device for a gantry milling machine according to claim 1, characterized in that: The ventilation assembly comprises a fan (21), the fan (21) is fixedly connected to the inside of the tool box (6), an air duct (23) is provided inside the tool box (6), a plurality of evenly distributed ventilation holes (22) are provided inside the tool box (6), the ventilation holes (22) are communicated with the air duct (23), and a plurality of evenly distributed exhaust holes are provided inside the right side of the tool box (6).

4. The automatic precision tool changing device for a gantry milling machine according to claim 1, characterized in that: A slider (17) is fixedly connected to the bottom side of the guide block (15), a plurality of evenly distributed sliding grooves are provided inside the rotating rod (5), and the slider (17) is slidably connected inside the sliding grooves.

5. The automatic precision tool changing device for a gantry milling machine according to claim 1, characterized in that: An electric push rod (11) is fixedly connected to the bottom of the tool box (6), a guide rod (10) is fixedly connected to the bottom of the tool box (6), the bottom of the support rod (3) is slidably connected to the outer periphery of the guide rod (10), and the telescopic end of the electric push rod (11) is fixedly connected to one side of the support rod (3).

6. The automatic precision tool changing device for a gantry milling machine according to claim 1, characterized in that: The right side of the tool box (6) is fixedly connected to a motor 1 (4), a driving end of the motor 1 (4) is fixedly connected to a threaded rod (28), the outer periphery of the threaded rod (28) is threadedly connected to a moving block (27), the bottom side of the moving block (27) is fixedly connected to a sealing door (2), and the sealing door (2) is slidably connected to the inside of the tool box (6).

7. The automatic precision tool changing device for a gantry milling machine according to claim 1, characterized in that: The outer periphery of the support rod (3) is fixedly connected to a motor 2 (8), the driving end of the motor 2 (8) is fixedly connected to a gear 1 (9), and the outer periphery of the rotating shaft (13) is fixedly connected to a plurality of evenly distributed teeth 1 (7), and the teeth 1 (7) are meshingly connected to the gear 1 (9).

8. The automatic precision tool changing device for a gantry milling machine according to claim 1, characterized in that: A support shaft (33) is fixedly connected to the bottom side of the mounting plate (29), the bottom end of the support shaft (33) is rotatably connected to the inside of the bottom side of the tool box (6), a motor three (31) is fixedly connected to the inside of the bottom side of the tool box (6), a driving end of the motor three (31) is fixedly connected to a gear two (32), a plurality of uniformly distributed teeth two (30) are fixedly connected to the outer periphery of the support shaft (33), and the teeth two (30) are meshingly connected to the gear two (32).

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