CN221640293U - Double-milling-head numerical control milling machine with conveniently replaced cutter - Google Patents

Abstract

The utility model relates to the technical field of numerical control milling machines and discloses a double-milling-head numerical control milling machine with a convenient tool replacement function, which comprises a box body, wherein electric push rods are fixedly connected to the left side and the right side of the top of the box body, a movable block is fixedly connected to the driving end of each electric push rod, a shell is fixedly connected to the top of each movable block, a main shaft is fixedly connected to the inner wall of each shell, pulling blocks are slidably connected to the front end and the rear end of the inner wall of each main shaft, limiting plates are fixedly connected to the outer parts of the pulling blocks, clamping blocks are fixedly connected to one side, close to the shell, of each pulling block, a first spring is sleeved outside each pulling block, and limiting grooves are formed in the inner walls of the front side and the rear side of each main shaft. According to the utility model, the effect of quick disassembly of the tool bit is realized, so that the replacement efficiency can be improved, the time of stopping the device is reduced, the production efficiency is improved, the rotating and lifting effects of the functional table are realized, and the workpiece does not need to be manually adjusted.

Description

A double-milling head CNC milling machine for convenient tool replacement

Technical Field

The utility model relates to the technical field of numerical control milling machines, in particular to a double-milling-head numerical control milling machine which is convenient for replacing cutting tools.

Background Art

A CNC milling machine is an automated mechanical device used for precision cutting and machining on workpieces. It uses computer numerical control technology to control the movement and operation of the tool to manufacture parts of various shapes and sizes. CNC milling machines are widely used in the manufacturing industry, including aerospace, automotive manufacturing, mold manufacturing, medical device manufacturing and other fields. It plays an important role in improving the accuracy, efficiency and flexibility of the manufacturing process.

The tools used in some milling machines in the prior art need to be regularly inspected and replaced, but the traditional replacement process is too cumbersome, requiring the use of tools for disassembly and certain professional skills. Therefore, it not only makes the replacement of tools cumbersome, but also prolongs the downtime of the device, thereby reducing the processing efficiency. Therefore, in response to the above problems, a double-milling head CNC milling machine that is convenient for replacing tools is proposed.

Utility Model Content

The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a double milling head CNC milling machine which is convenient for replacing tools, aiming to improve the problem in the prior art that tool disassembly is too cumbersome, which not only leads to low replacement efficiency, but also prolongs the downtime of the device and reduces the processing efficiency.

In order to achieve the above purpose, the utility model provides the following technical solutions:

The cam is provided with a plurality of push rods, each of which is provided with a plurality of push rods, each of which is provided with a plurality of push rods, each of which is provided with a plurality of push rods, each of which is provided with a plurality of push rods.

Furthermore, the positioning assembly includes two springs 2, two limiting plates, and two balls. The two springs 2 are respectively arranged inside the front and rear ends of the mounting block, the limiting plates are slidably connected to the inner wall of the mounting block, the balls are fixedly connected to the outer wall of the limiting plates, one end of the spring 2 is fixedly connected to the inner wall of one side of the mounting block, and the other end of the spring 2 is fixedly connected to the inner wall of one side of the limiting plate. The outside of the ball is engaged with the inner wall of the ball groove, and the outside of the ball is slidably connected to the outer wall of the mounting block.

Furthermore, a motor is fixedly connected to the inner wall at the left end of the box, a worm wheel is fixedly connected to the driving end of the motor, a support plate is fixedly connected to the inner wall of the box, a worm is rotatably connected to the top of the support plate, the worm wheel and the worm are meshingly connected, a spline shaft is slidably connected to the inner wall of the worm, a lifting platform is rotatably connected to the bottom of the spline shaft, a cylinder is fixedly connected to the inner wall on the top right side of the box, the driving end of the cylinder is fixedly connected to the top of the lifting platform, and a functional platform is fixedly connected to the top of the spline shaft.

Furthermore, a sliding block is fixedly connected to the bottom of the moving block, grooves are provided on both left and right sides of the top of the box body, and the outside of the sliding block is slidably connected to the inner wall of the groove.

Furthermore, a support platform is fixedly connected to the top rear end of the box body, a hydraulic cylinder is fixedly connected to the top of the support platform, and a driving end of the hydraulic cylinder passes through the outside of the support platform.

Furthermore, a slide groove is provided inside both the front and rear sides of the main shaft, the outside of the limit plate is slidably connected to the inner wall of the slide groove, and the outside of the fixed block is slidably connected to the inner wall of the limiting groove.

Furthermore, one end of the spring 1 is fixedly connected to an inner wall of one side of the slide groove, and the other end of the spring 1 is fixedly connected to one side of the limiting plate.

Furthermore, the bottom of the moving block is slidably connected to the top of the box.

The utility model has the following beneficial effects:

1. In the utility model, the pull block, the limit plate, the clamping block, the spring and other structures cooperate with each other to achieve the effect of rapid disassembly of the cutter head, thereby improving the efficiency of replacement and reducing the downtime required for the device, thereby improving production efficiency.

2. In the utility model, the rotation and lifting effect of the functional table is achieved through the mutual cooperation of the motor, worm gear, worm, spline shaft, lifting platform and other structures, so that there is no need to manually adjust the workpiece, which not only facilitates processing but also improves efficiency.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a three-dimensional view of a double-milling head CNC milling machine for convenient tool replacement proposed by the present invention;

FIG2 is a schematic diagram of a fixed block structure of a double-milling head CNC milling machine for convenient tool replacement proposed by the present invention;

Figure 3 is an enlarged view of point A in Figure 2;

FIG4 is a schematic diagram of the internal structure of a box of a double-milling-head CNC milling machine for convenient tool replacement proposed by the present invention.

Legend:

1. Box body; 2. Electric push rod; 3. Moving block; 4. Housing; 5. Spindle; 6. Pulling block; 7. Limit plate; 8. Block; 9. Spring 1; 10. Limiting groove; 11. Ball groove; 12. Mounting block; 13. Cutter head; 14. Fixed block; 15. Spring 2; 16. Limiting plate; 17. Ball; 18. Motor; 19. Worm gear; 20. Worm; 21. Spline shaft; 22. Lifting platform; 23. Cylinder; 24. Functional platform; 25. Sliding block; 26. Groove; 27. Support platform; 28. Hydraulic cylinder.

DETAILED DESCRIPTION

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.

Referring to Figures 1-3, an embodiment of the utility model is provided: a double-milling head CNC milling machine for convenient tool replacement, comprising a box body 1, electric push rods 2 are fixedly connected to the left and right sides of the top of the box body 1, and the driving end of the electric push rod 2 is fixedly connected to a moving block 3. The moving block 3 can be moved by the start of the electric push rod 2, and the bottom of the moving block 3 is slidably connected to the top of the box body 1, so that the movement of the moving block 3 can be more stable, the top of the moving block 3 is fixedly connected to a shell 4, the inner wall of the shell 4 is fixedly connected to a spindle 5, and the front and rear ends of the inner side wall of the spindle 5 are slidably connected to a pulling block 6, and the outside of the pulling block 6 is fixedly connected to a limiting plate 7, and the pulling block 6 is limited by the limiting plate 7. Slide grooves are provided inside the front and rear sides of the spindle 5, and the outside of the limiting plate 7 is slidably connected to the inner wall of the slide groove so that the limiting plate 7 is limited. A clamping block 8 is fixedly connected to the side of the pulling block 6 close to the shell 4, and a spring 9 is provided on the outside of the pulling block 6. One end of the spring 9 The spring 19 is fixedly connected to the inner wall of one side of the slide groove, and the other end of the spring 19 is fixedly connected to one side of the limit plate 7, so that the pulling of the pulling block 6 can squeeze the spring 19 when the limit plate 7 moves. The inner walls of the front and rear sides of the main shaft 5 are provided with limiting grooves 10, and the inner wall of the main shaft 5 is provided with two ball grooves 11. The inner wall of the main shaft 5 is detachably connected with a mounting block 12, and the disassembly is controlled by pulling the block 6. The inner wall of the mounting block 12 is fixedly connected with a cutter head 13, and the mounting block The front and rear ends of 12 are fixedly connected with fixed blocks 14, the outside of the fixed block 14 is slidably connected to the inner wall of the limiting groove 10, and the outside of the clamping block 8 is engaged with the inner wall of the fixed block 14, so that the installation block 12 is fixed, and the pulling block 6 is pulled, and the clamping block 8 will slide under the pulling of the pulling block 6, so that the clamping block 8 withdraws from the inner wall of the fixed block 14. At this time, the fixed block 14 can be rotated on the inner wall of the limiting groove 10 and taken out at a suitable position to complete the disassembly of the cutter head 13.

Positioning components are provided at both the front and rear ends of the interior of the mounting block 12. The positioning components include two springs 15, two limiting plates 16, and two balls 17. The two springs 15 are respectively provided inside the front and rear ends of the mounting block 12. The limiting plate 16 is slidably connected to the inner wall of the mounting block 12, so that the limiting plate 16 can slide more stably. The ball 17 is fixedly connected to the outer side wall of the limiting plate 16. One end of the spring 15 is fixedly connected to the inner wall of one side of the mounting block 12, and the other end of the spring 15 is fixedly connected to the inner wall of one side of the limiting plate 16. The sliding of the limiting plate 16 can squeeze the spring 15, and the outer part of the ball 17 is engaged with the inner wall of the ball groove 11. The outer part of the ball 17 is slidably connected to the outer side wall of the mounting block 12, so that the contraction of the ball 17 can be engaged with the ball groove 11, thereby positioning.

Referring to Figures 1 and 4, the inner wall of the left end of the box body 1 is fixedly connected to a motor 18, and the driving end of the motor 18 is fixedly connected to a worm gear 19. The worm gear 19 is rotated by the start of the motor 18. The inner wall of the box body 1 is fixedly connected to a support plate, and the top of the support plate is rotatably connected to a worm 20. The worm gear 19 and the worm 20 are meshingly connected, and the rotation of the worm gear 19 can drive the worm 20 to rotate. The inner wall of the worm 20 is slidably connected to a spline shaft 21, and the spline shaft 21 can be moved by the rotation of the worm 20. The shaft 21 rotates, and the bottom of the spline shaft 21 is rotatably connected to the lifting platform 22. The rotation of the spline shaft 21 will not affect the lifting platform 22. The cylinder 23 is fixedly connected to the inner wall of the top right side of the box body 1. The driving end of the cylinder 23 is fixedly connected to the top of the lifting platform 22, so that the cylinder 23 can lift the lifting platform 22, so that the spline shaft 21 is lifted. The top of the spline shaft 21 is fixedly connected to the functional platform 24, so that the functional platform 24 can be moved by the spline shaft 21. The bottom of the moving block 3 is fixedly connected to the sliding block 25. The left and right sides of the top of the box body 1 are provided with grooves 26. The outside of the sliding block 25 is slidably connected to the inner wall of the groove 26, so that the sliding of the moving block 3 can be more stable. The top rear end of the box body 1 is fixedly connected to the support platform 27, and the top of the support platform 27 is fixedly connected to the hydraulic cylinder 28. The driving end of the hydraulic cylinder 28 passes through the outside of the support platform 27, and the workpiece is clamped by the start of the hydraulic cylinder 28.

Working principle: when the cutter head 13 needs to be replaced, by pulling the pulling block 6, the card block 8 will slide under the pulling of the pulling block 6, so that the card block 8 exits the inner wall of the fixed block 14. At this time, the fixed block 14 can be rotated on the inner wall of the limiting groove 10 and taken out at a suitable position to complete the disassembly of the cutter head 13 and replace it. When it needs to be installed, by placing the mounting block 12 into the inner wall of the main shaft 5, repeatedly pulling the pulling block 6, and then sliding the fixed block 14 on the inner wall of the limiting groove 10, at this time, rotating the mounting block 12 to a suitable position, the ball 17 will expand and contract under the rebound force of the spring 2 15, so as to engage with the ball groove 11 to complete the positioning. At this time, by releasing the pulling block 6, the spring 1 9 will push the limiting plate 7, so that the pulling block 6 can shrink so that the card block 8 and the fixed block 14 are engaged. The inner wall is engaged to complete the installation of the cutter head 13. During the operation of the device, the object to be processed is placed on the top of the functional table 24, and the hydraulic cylinder 28 is started to clamp the object. The cutter head 13 is then sent to the workpiece for processing by starting the electric push rod 2. When the workpiece needs to be adjusted, the clamping is cancelled, and the motor 18 is started. The worm gear 19 is rotated under the start of the motor 18, so that the rotation of the worm gear 19 drives the worm 20 to rotate, so that the spline shaft 21 rotates and drives the functional table 24 to rotate, so that the workpiece rotates, and the lifting platform 22 is raised and lowered by starting the cylinder 23, so that the lifting platform 22 drives the spline shaft 21 to push the functional table 24 to rise and fall, so as to adjust the height, and no manual adjustment is required, which facilitates processing and improves efficiency.

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 (8)

1. A double-milling head CNC milling machine for convenient tool replacement, comprising a box (1), characterized in that: the left and right sides of the top of the box (1) are fixedly connected to electric push rods (2), the driving end of the electric push rod (2) is fixedly connected to a moving block (3), the top of the moving block (3) is fixedly connected to a shell (4), the inner wall of the shell (4) is fixedly connected to a spindle (5), the inner side wall of the spindle (5) is slidably connected to a pulling block (6), the outer side of the pulling block (6) is fixedly connected to a limit plate (7), and the side of the pulling block (6) close to the shell (4) is fixedly connected to a card The pull block (8) is provided with a spring (9) on the outside, the inner walls of the front and rear sides of the main shaft (5) are provided with limiting grooves (10), the inner wall of the main shaft (5) is provided with two ball grooves (11), the inner wall of the main shaft (5) is detachably connected with a mounting block (12), the inner wall of the mounting block (12) is fixedly connected with a cutter head (13), the front and rear ends of the mounting block (12) are fixedly connected with a fixing block (14), the outside of the clamping block (8) is engaged with the inner wall of the fixing block (14), and the front and rear ends of the inside of the mounting block (12) are provided with positioning components. 2. A double-milling head CNC milling machine for convenient tool replacement according to claim 1, characterized in that: the positioning assembly comprises two springs (15), two limiting plates (16), and two balls (17), the two springs (15) are respectively arranged inside the front and rear ends of the mounting block (12), the limiting plate (16) is slidably connected to the inner wall of the mounting block (12), the ball (17) is fixedly connected to the outer wall of the limiting plate (16), one end of the spring (15) is fixedly connected to the inner wall of one side of the mounting block (12), the other end of the spring (15) is fixedly connected to the inner wall of one side of the limiting plate (16), the outer part of the ball (17) is engaged with the inner wall of the ball groove (11), and the outer part of the ball (17) is slidably connected to the outer wall of the mounting block (12). 3. A double-milling-head CNC milling machine for convenient tool replacement according to claim 1, characterized in that: a motor (18) is fixedly connected to the inner wall of the left end of the box body (1), a worm wheel (19) is fixedly connected to the driving end of the motor (18), a support plate is fixedly connected to the inner wall of the box body (1), a worm (20) is rotatably connected to the top of the support plate, the worm wheel (19) and the worm (20) are meshingly connected, a spline shaft (21) is slidably connected to the inner wall of the worm (20), a lifting platform (22) is rotatably connected to the bottom of the spline shaft (21), a cylinder (23) is fixedly connected to the inner wall of the top right side of the box body (1), the driving end of the cylinder (23) is fixedly connected to the top of the lifting platform (22), and a function platform (24) is fixedly connected to the top of the spline shaft (21). 4. A double-milling head CNC milling machine for convenient tool replacement according to claim 1, characterized in that: a sliding block (25) is fixedly connected to the bottom of the moving block (3), grooves (26) are provided on both the left and right sides of the top of the box (1), and the outer part of the sliding block (25) is slidably connected to the inner wall of the groove (26). 5. A double-milling-head CNC milling machine for convenient tool replacement according to claim 1, characterized in that: a support platform (27) is fixedly connected to the top rear end of the box body (1), a hydraulic cylinder (28) is fixedly connected to the top of the support platform (27), and a driving end of the hydraulic cylinder (28) passes through the outside of the support platform (27). 6. A double-milling-head CNC milling machine for convenient tool replacement according to claim 1, characterized in that: a slide groove is provided inside the front and rear sides of the spindle (5), the outer part of the limit plate (7) is slidably connected to the inner wall of the slide groove, and the outer part of the fixed block (14) is slidably connected to the inner wall of the limiting groove (10). 7. A double-milling head CNC milling machine for convenient tool replacement according to claim 6, characterized in that one end of the spring (9) is fixedly connected to an inner wall of one side of the slide groove, and the other end of the spring (9) is fixedly connected to one side of the limit plate (7). 8. A double-milling-head CNC milling machine for convenient tool replacement according to claim 1, characterized in that the bottom of the moving block (3) is slidably connected to the top of the box (1).