Gantry type numerical control engraving and milling machine

Abstract

The utility model provides a gantry type numerical control engraving and milling machine which comprises a base, a gantry support installed on the base and a main shaft table transversely and movably arranged on the gantry support, the main shaft table comprises a sliding plate base installed on the gantry support, a main plate installed on the sliding plate base in a lifting mode and a main shaft box rotatably arranged on the main plate, a product is machined in multiple modes through a cutter installed on the spindle box, and a lifting assembly for controlling the main board to ascend and descend is arranged on the sliding plate base. The spindle box is rotatably installed on the main plate through the angle adjusting assembly, the rack plate is pushed by the driving electric cylinder to move on the first sliding rail, the rack plate and the adjusting gear on the adjusting shaft are arranged in a transmission mode so as to drive the adjusting shaft to rotate, and therefore angle adjustment of the spindle box is controlled. The brake and the angle sensor are used for improving the stability and accuracy of the spindle box. The spindle box can machine the side face or the inclined face of a product according to the machining requirement of the product, and integrated continuous machining is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of engraving and milling machines, in particular to a gantry type numerically controlled engraving and milling machine. Background Art

[0002] The engraving and milling machine can be used for both engraving and milling. It is a high-efficiency and high-precision CNC machine tool. The existing gantry-type CNC engraving and milling machine includes a workbench for placing products and a spindle table arranged at the upper end of the workbench for processing products. The spindle table is installed on the gantry bracket for horizontal sliding. The existing spindle table can generally only control the lifting and lowering of the tool vertically, so it can only process the upper end surface of the product, and the side of the product cannot be processed continuously, which limits the processing range and processing method of the tool. Utility Model Content

[0003] The technical problem solved by the utility model is to provide a gantry type CNC engraving and milling machine with an adjustable spindle box angle, so as to solve the problems raised in the above background technology.

[0004] The technical problem solved by the utility model is achieved by adopting the following technical scheme: a gantry type CNC engraving and milling machine, comprising a base and a gantry bracket installed on the base, a spindle table arranged on the gantry bracket for transverse movement, the spindle table comprising a slide plate seat installed on the gantry bracket and a main board installed on the slide plate seat for lifting and lowering, and a spindle box rotatably arranged on the main board, so that the product can be processed in various ways by the tool installed on the spindle box, the slide plate seat is provided with a lifting component for controlling the lifting and movement of the main board to adjust the height of the spindle box, the main board is provided with an angle adjustment component for controlling the angle of the spindle box to adjust the tool processing angle, and the main board is also provided with a brake for fixing the spindle box and an angle sensor for monitoring the rotation angle of the spindle box.

[0005] As a further solution of the utility model:

[0006] The spindle box comprises a support plate, a spindle motor fixedly mounted on the support plate, and a tool holder arranged at the lower end of the output shaft of the spindle motor. The support plate is mounted on the main board through an angle adjustment component.

[0007] As a further solution of the utility model:

[0008] The angle adjustment assembly includes an axle seat installed on the main board, an adjustment shaft fixedly installed on the support plate, and a rack plate slidably installed at the corresponding position of the main board. The adjustment shaft is rotatably inserted and installed on the axle seat, and an adjustment gear is installed at the corresponding position of the adjustment shaft. The adjustment gear is transmission-connected to the rack plate, and the side of the rack plate away from the adjustment gear is connected to the driving electric cylinder to drive the rotation of the adjustment gear through the rack plate.

[0009] As a further solution of the utility model:

[0010] A first slide rail is provided on the main board corresponding to the rack plate, a slider is fixedly provided on the back of the rack plate, and the rack plate is slidably installed on the first slide rail through the slider, the driving electric cylinder is arranged on one side of the first slide rail, a push plate is provided on one side of the rack plate, and the push plate is fixedly connected to the output rod of the driving electric cylinder to control the rack plate to move on the first slide rail, and in-position sensors for limiting the rack plate are provided on both sides of the first slide rail.

[0011] As a further solution of the utility model:

[0012] The adjusting shaft passes through the shaft seat and is connected to the brake on the back of the mainboard so that the adjusting shaft can be clamped and fixed by the brake. The outer end of the brake is provided with an angle sensor connected to the adjusting shaft for monitoring the rotation angle of the main shaft box.

[0013] As a further solution of the utility model:

[0014] The brake includes a shell and a brake arm rotatably installed in the shell, the brake arms are symmetrically arranged on both sides of the adjusting shaft, and an annular brake pad is provided on the inner side of the brake arm. One side of the brake arm is rotatably installed at the corresponding position of the shell, and the other side is rotatably connected to the turntable through a connecting rod to drive the brake arms on both sides to close through the turntable to clamp and fix the adjusting shaft. The turntable is rotatably installed on the shell through a rotating shaft, and a handle rod is fixed on the outer end of the rotating shaft. The outer end of the handle rod is rotatably connected to the output rod of the brake electric cylinder. The brake electric cylinder is rotatably installed at the corresponding position of the mainboard, and the brake electric cylinder rotates through the turntable to control the closing or expansion of the brake arm.

[0015] As a further solution of the utility model:

[0016] Second slide rails are provided on both sides of the skateboard seat, and the mainboard is slidably installed on the second slide rails through sliders. The lifting assembly includes a screw rod rotatably installed on the skateboard seat and a lifting motor driving the screw rod to rotate. The lifting motor is fixedly installed on the upper end of the skateboard seat. The mainboard is provided with a screw sleeve threadedly connected to the corresponding screw rod, so that the screw sleeve moves on the screw rod to drive the mainboard to rise and fall.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the spindle box can be rotatably mounted on the main board through the angle adjustment assembly, the driving electric cylinder is used to push the rack plate to move on the first slide rail, the rack plate and the adjustment gear transmission setting on the adjustment shaft drive the adjustment shaft to rotate, thereby controlling the angle adjustment of the spindle box, and the brake and angle sensor are used to improve the stability and accuracy of the spindle box. The spindle box can process the side or inclined surface of the product according to the processing requirements of the product to achieve integrated continuous processing, and can add a variety of processing operation modes according to the characteristics of the spindle box rotation to improve the convenience of processing. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

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

[0021] Figure 4 This is a schematic diagram of the internal structure of the brake of the utility model;

[0022] Markings in the figure: 1. Base; 2. Slide plate seat; 3. Main board; 4. Spindle box; 5. Brake; 11. Gantry bracket; 21. Second slide rail; 22. Screw; 23. Lifting motor; 24. Screw sleeve; 31. Rack plate; 32. Driving electric cylinder; 33. First slide rail; 34. Push plate; 35. In-position sensor; 41. Support plate; 42. Spindle motor; 43. Tool holder; 44. Adjusting shaft; 45. Adjusting gear; 51. Angle sensor; 52. Housing; 53. Brake arm; 54. Connecting rod; 55. Turntable; 56. Handle rod; 57. Brake electric cylinder. DETAILED DESCRIPTION

[0023] In order to make the technical means for realizing the utility model, creative features, objectives and effects easy to understand, the utility model is further explained below with reference to specific illustrations.

[0024] like Figures 1 to 4 As shown,

[0025] The present embodiment provides a gantry type CNC engraving and milling machine, comprising a base 1 and a gantry bracket 11 mounted on the base 1, a spindle table arranged on the gantry bracket 11 for transverse movement, the spindle table comprising a slide plate seat 2 mounted on the gantry bracket 11 and a main board 3 mounted on the slide plate seat 2 for lifting and lowering, and a spindle box 4 rotatably arranged on the main board 3, so that the product can be processed in various ways by means of a tool installed on the spindle box 4, the slide plate seat 2 is provided with a lifting component for controlling the lifting and lowering movement of the main board 3 to adjust the height of the spindle box 4, the main board 3 is provided with an angle adjustment component for controlling the angle of the spindle box 4 to adjust the tool processing angle, and the main board 3 is also provided with a brake 5 for fixing the spindle box 4 and an angle sensor 51 for monitoring the rotation angle of the spindle box 4.

[0026] In this embodiment, the spindle box 4 includes a support plate 41, a spindle motor 42 fixedly mounted on the support plate 41, and a tool holder 43 arranged at the lower end of the output shaft of the spindle motor 42. The support plate 41 is mounted on the main board 3 through an angle adjustment component.

[0027] The angle adjustment assembly includes an axle seat installed on the main board 3, an adjustment shaft 44 fixedly installed on the support plate 41, and a rack plate 31 slidably installed at the corresponding position of the main board 3. The adjustment shaft 44 is rotatably inserted and installed on the axle seat. An adjustment gear 45 is installed at the corresponding position of the adjustment shaft 44. The adjustment gear 45 is transmission-connected with the rack plate 31. The side of the rack plate 31 away from the adjustment gear 45 is connected to the driving electric cylinder 32 to drive the rotation of the adjustment gear 45 through the rack plate 31.

[0028] The main board 3 is provided with a first slide rail 33 corresponding to the rack plate 31, a slider is fixed on the back of the rack plate 31, and the rack plate 31 is slidably mounted on the first slide rail 33 through the slider, and the driving electric cylinder 32 is arranged on one side of the first slide rail 33, and a push plate 34 is provided on one side of the rack plate 31, and is fixedly connected to the output rod of the driving electric cylinder 32 to control the rack plate 31 to move on the first slide rail 33, and both sides of the first slide rail 33 are provided with in-position sensors 35 for limiting the rack plate 31. The driving electric cylinder 32 and the rack plate 31 are located at the sandwich surface between the main board 3 and the support plate 41, and do not affect the rotation of the support plate 41.

[0029] The adjusting shaft 44 passes through the shaft seat and is connected to the brake 5 on the back of the main board 3 so that the adjusting shaft 44 can be clamped and fixed by the brake 5. The outer end of the brake 5 is provided with an angle sensor 51 connected to the adjusting shaft 44 for monitoring the rotation angle of the spindle box 4.

[0030] In this embodiment, the brake 5 includes a shell 52 and a brake arm 53 rotatably installed in the shell 52. The brake arm 53 is symmetrically arranged on both sides of the adjusting shaft 44. An annular brake pad is provided on the inner side of the brake arm 53. One side of the brake arm 53 is rotatably installed at the corresponding position of the shell 52, and the other side is rotatably connected to the turntable 55 through a connecting rod 54, so as to drive the brake arms 53 on both sides to close through the turntable 55 to clamp and fix the adjusting shaft 44. The turntable 55 is rotatably installed on the shell 52 through a rotating shaft. A handle rod 56 is fixed on the outer end of the rotating shaft. The outer end of the handle rod 56 is rotatably connected to the output rod of the brake electric cylinder 57. The brake electric cylinder 57 is rotatably installed at the corresponding position of the main board 3. The brake electric cylinder 57 rotates through the turntable 55 to control the closing or unfolding of the brake arm 53.

[0031] In this embodiment, second slide rails 21 are provided on both sides of the skateboard seat 2, and the main board 3 is slidably installed on the second slide rails 21 through sliders. The lifting assembly includes a screw rod 22 rotatably installed on the skateboard seat 2 and a lifting motor 23 driving the screw rod 22 to rotate. The lifting motor 23 is fixedly installed on the upper end of the skateboard seat 2. The main board 3 is provided with a screw sleeve 24 threadedly connected to the screw rod 22, so that the main board 3 can be moved on the screw rod 22 through the screw sleeve 24 to drive the main board 3 to rise and fall.

[0032] Specifically, the spindle box 4 is rotatably mounted on the main board 3 through the angle adjustment assembly, and the driving electric cylinder 32 is used to push the rack plate 31 to move on the first slide rail 33. The rack plate 31 is arranged to drive the adjustment gear 45 on the adjustment shaft 44 to drive the adjustment shaft 44 to rotate, thereby controlling the angle adjustment of the spindle box 4. The brake 5 and the angle sensor 51 are used to improve the stability and accuracy of the spindle box 4. The spindle box 4 can process the side or inclined surface of the product according to the processing requirements of the product to achieve integrated continuous processing, and can add a variety of processing operation modes according to the rotation characteristics of the spindle box 4 to improve the convenience of processing.

[0033] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and the description only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will also have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents. It should be noted that in this article, if there are first and second relationship terms such as only used to distinguish one entity or operation from another entity or operation, it does not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the term "include", "comprise" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or equipment. Without more constraints, an element defined by the phrase "comprising a..." does not exclude the existence of other identical elements in the process, method, article or apparatus comprising the element.

Claims

1. A gantry type CNC engraving and milling machine, comprising a base, a gantry bracket mounted on the base, and a spindle table arranged on the gantry bracket for transverse movement, characterized in that: The spindle table includes a slide plate seat installed on a gantry bracket, a main board installed on the slide plate seat in a lifting manner, and a spindle box rotatably arranged on the main board, so that the product can be processed in various ways through the tool installed on the spindle box. The slide plate seat is provided with a lifting component for controlling the lifting and movement of the main board to adjust the height of the spindle box. The main board is provided with an angle adjustment component for controlling the angle of the spindle box to adjust the tool processing angle. The main board is also provided with a brake for fixing the spindle box and an angle sensor for monitoring the rotation angle of the spindle box.

2. The gantry type CNC engraving and milling machine according to claim 1, characterized in that: The spindle box comprises a support plate, a spindle motor fixedly mounted on the support plate, and a tool holder arranged at the lower end of the output shaft of the spindle motor. The support plate is mounted on the main board through an angle adjustment component.

3. The gantry type CNC engraving and milling machine according to claim 2, characterized in that: The angle adjustment assembly includes an axle seat installed on the main board, an adjustment shaft fixedly installed on the support plate, and a rack plate slidably installed at the corresponding position of the main board. The adjustment shaft is rotatably inserted and installed on the axle seat, and an adjustment gear is installed at the corresponding position of the adjustment shaft. The adjustment gear is transmission-connected to the rack plate, and the side of the rack plate away from the adjustment gear is connected to the driving electric cylinder to drive the rotation of the adjustment gear through the rack plate.

4. The gantry type CNC engraving and milling machine according to claim 3 is characterized in that: A first slide rail is provided on the main board corresponding to the rack plate, a slider is fixedly provided on the back of the rack plate, and the rack plate is slidably installed on the first slide rail through the slider, the driving electric cylinder is arranged on one side of the first slide rail, a push plate is provided on one side of the rack plate, and the push plate is fixedly connected to the output rod of the driving electric cylinder to control the rack plate to move on the first slide rail, and in-position sensors for limiting the rack plate are provided on both sides of the first slide rail.

5. The gantry type CNC engraving and milling machine according to claim 3, characterized in that: The adjusting shaft passes through the shaft seat and is connected to the brake on the back of the mainboard so that the adjusting shaft can be clamped and fixed by the brake. The outer end of the brake is provided with an angle sensor connected to the adjusting shaft for monitoring the rotation angle of the main shaft box.

6. The gantry type CNC engraving and milling machine according to claim 5, characterized in that: The brake includes a shell and a brake arm rotatably installed in the shell, the brake arms are symmetrically arranged on both sides of the adjusting shaft, and an annular brake pad is provided on the inner side of the brake arm. One side of the brake arm is rotatably installed at the corresponding position of the shell, and the other side is rotatably connected to the turntable through a connecting rod to drive the brake arms on both sides to close through the turntable to clamp and fix the adjusting shaft. The turntable is rotatably installed on the shell through a rotating shaft, and a handle rod is fixed on the outer end of the rotating shaft. The outer end of the handle rod is rotatably connected to the output rod of the brake electric cylinder. The brake electric cylinder is rotatably installed at the corresponding position of the mainboard, and the brake electric cylinder rotates through the turntable to control the closing or expansion of the brake arm.

7. The gantry type CNC engraving and milling machine according to claim 1, characterized in that: Second slide rails are provided on both sides of the skateboard seat, and the mainboard is slidably installed on the second slide rails through sliders. The lifting assembly includes a screw rod rotatably installed on the skateboard seat and a lifting motor driving the screw rod to rotate. The lifting motor is fixedly installed on the upper end of the skateboard seat. The mainboard is provided with a screw sleeve threadedly connected to the corresponding screw rod, so that the screw sleeve moves on the screw rod to drive the mainboard to rise and fall.

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