High-precision movable beam numerical control gantry milling machine

Abstract

The application relates to the field of numerical control milling machines, and discloses a high-precision moving beam numerical control gantry milling machine which comprises a machine body, the outer wall of the machine body is fixedly connected with a support, the top of the support is fixedly connected with a stepping motor, the bottom of the stepping motor is fixedly connected with a lead screw, the outer wall of the lead screw is threadedly connected with a sliding rail, the end, away from the support, of the sliding rail is slidably connected with a main shaft box, the bottom of the main shaft box is fixedly connected with a protective cover, the protective cover can block the machining position during machining operation, prevents the scattering of machining scraps, and guarantees the normal work of the equipment and operators, the top of the machine body is fixedly connected with a workbench, the inside of the workbench is fixedly connected with an ejection mechanism, the right end of the machine body is fixedly connected with an air cylinder, the air cylinder is fixedly connected with the bottom of the workbench, the outer wall of the support is provided with a sliding groove, the positions of fixed workpieces are fixed through two rotating plates at the two ends of a supporting plate, and the machining precision is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the field of numerical control milling machines, in particular to a high-precision movable beam numerical control gantry milling machine. BACKGROUND

[0002] A milling machine is a machine tool for milling workpieces with a milling cutter, mainly refers to a machine tool for milling various surfaces on workpieces with a milling cutter, generally, the milling cutter rotates as the main movement, and the movement of the workpiece and the milling cutter is the feeding movement, the milling machine can mill planes and grooves, and can also mill various curved surfaces and gears, a numerical control milling machine is a machine tool integrated with a digital control system on an ordinary milling machine, and can accurately mill under the control of program codes.

[0003] During the machining, the workpiece is directly placed on the milling machine without being fixed, so that the workpiece is displaced when the milling cutter is machining the workpiece, the milling cutter cannot uniformly machine the workpiece, the machining efficiency of the milling machine is reduced, and the generated waste chips fall into the gap on the workbench, so that the subsequent cleaning work of the workbench is enhanced. SUMMARY

[0004] In view of the defects of the prior art, the technical scheme adopted by the application to solve the technical problems is that the high-precision movable beam numerical control gantry milling machine comprises a machine body, the outer wall of the machine body is fixedly connected with a support, the support is in a U-shaped structure with an opening downward, the two ends of the opening of the support are fixedly connected with the outer wall of the machine body, the machine body is located in the inside of the support, the top of the support is fixedly connected with a stepping motor, the bottom of the stepping motor is fixedly connected with a lead screw, the outer wall of the lead screw is threadedly connected with a sliding rail, the end of the sliding rail away from the support is slidingly connected with a spindle box, the bottom of the spindle box is fixedly connected with a protective cover, a large amount of waste chips are generated during the working process of the numerical control gantry milling machine, the protective cover can block the machining position during the machining operation, prevents the waste chips from splashing, ensures the normal work of the equipment and the operator, and reduces the subsequent cleaning work, the top of the machine body is fixedly connected with a workbench, the top of the support is fixedly connected with a lubricating mechanism, the inside of the workbench is fixedly connected with an ejection mechanism, the right end of the machine body is fixedly connected with an air cylinder, the air cylinder is fixedly connected with the bottom of the workbench, and a sliding groove is formed in the outer wall of the support.

[0005] The fixing mechanism comprises a support plate slidably connected to the top of the workbench, the support plate is in a U shape, and the outer wall of the two ends of the support plate is protruding, a compression spring is fixedly connected to one end of the support plate close to the workbench, the number of the compression springs is three, the three compression springs are evenly distributed on the bottom of the support plate, one end of the compression spring away from the support plate is fixedly connected to the top of the workbench, the bottom of the support plate is fixedly connected with a limiting column, the number of the limiting column is three, the three limiting columns are evenly distributed on the bottom of the support plate, the limiting column penetrates through the compression spring and is located in the middle of the compression spring, the limiting column avoids the support plate from moving downward excessively and plays a limiting role, the outer wall of the support plate is symmetrically provided with a fixing rod, the top of the support plate is fixedly connected with the fixing rod, one end of the fixing rod away from the support plate is fixedly connected with a limiting plate, the limiting plate is a downward bending plate, after the work is completed, the support plate and the rotating plate are reset, the limiting plate avoids the rotating plate from rotating too much when being reset, prevents the elastic sleeve from being stretched beyond the elastic limit and prevents the connecting plate from being separated from the limiting plate, and plays a limiting role, the bottom of the limiting plate is provided with a clamping part, the number of the clamping part is two, and the two clamping parts are symmetrically arranged at the two ends of the support plate close to the fixing rod.

[0006] The clamping part comprises a support seat, the number of the support seat is two, the two support seats are symmetrically arranged with the rotating rod as the center, the bottom of the support seat is fixedly connected with the top of the support plate, the outer wall of the support seat is fixedly connected with a rotating rod, the outer wall of the rotating rod is rotatably connected with a rotating plate, one end of the rotating plate away from the rotating rod is fixedly connected with a connecting plate, one end of the connecting plate away from the rotating plate is fixedly connected with an extension plate, the number of the extension plate is two, the connecting plate is in a U shape, and the bottom of the connecting plate is connected with the rotating plate, one end of the opening of the connecting plate is fixedly connected with the two extension plates, one end of the rotating plate close to the workbench is fixedly connected with an elastic sleeve, and one end of the elastic sleeve away from the rotating plate is fixedly connected with the top of the support plate, the workpiece is placed on the support plate, under the action of the self-gravity of the workpiece, the support plate is stressed to press and compress the compression spring to move downward, the support plate contacts the lower part of the rotating plate, the rotating plate applies force to the elastic sleeve, the elastic sleeve is deformed under stress, the rotating plate rotates around the rotating rod, and the other end of the rotating plate clamps the workpiece, the position of the workpiece is fixed through the two rotating plates at the two ends of the support plate, and the machining precision is improved.

[0007] The workbench comprises a support plate, the top of the support plate is provided with an orderly arranged concave-convex surface, a square groove is arranged at the protruding part of the support plate, the bottom of the support plate is fixedly connected with a hair dryer, the top of the support plate is provided with a square groove, the inner wall of the square groove is slidably connected with the outer wall of the support plate, and the compression spring is located in the interior of the square groove.

[0008] The support plate is provided with a through hole near the inside of the hair dryer, the through hole is communicated with the air outlet side of the hair dryer, the top of the support plate is provided with a sliding groove, the bottom of the sliding groove is provided with a circular groove, the sliding groove is located in the recess of the support plate, the sliding groove and the through hole are communicated through the circular groove, and the sliding groove and the circular groove are located on the same vertical plane, the sliding groove is in the shape of a circular truncated cone, the diameter of the lower part of the sliding groove is larger than that of the circular groove, the inner wall of the sliding groove is provided with a guide groove, the number of the guide grooves is six, and the six guide grooves are uniformly distributed on the part with a larger diameter of the sliding groove, the top of the sliding groove is fixedly connected with a limiting part, and the top of the sliding groove is fixedly connected with a fixing ring, the limiting part is located on the top of the support plate, the fixing ring is a circular ring protruding away from the inner wall of the sliding groove, and the number of the limiting parts is several, and the several limiting parts are uniformly distributed on the recess of the support plate, in the working process of the numerical control milling machine, the hair dryer works, at this time, the air outside is blown into the through hole through the air outlet side of the hair dryer, the wind force drives the support to slide upward in the guide groove, and the support generates a force on the return spring, so that the return spring is compressed, by arranging the limiting block and the fixing ring, the elastic limit of the return spring when being compressed is avoided, and the equipment needs to be repaired.

[0009] The limiting part comprises a supporting ring, the supporting ring is fixedly connected with the top of the support plate, and the bottom of the supporting ring is fixedly connected with a positioning plate, the positioning plate is elastic, the positioning plate is a downward-bent bent plate, the number of the positioning plates is five, and the five positioning plates are uniformly distributed on the supporting ring, by arranging the five positioning plates, in the working state, the positioning plate just closes the upper hole of the sliding groove, so that dust and debris are prevented from blocking the air outlet, and the internal cleaning work is facilitated, the top of the supporting ring is fixedly connected with a limiting rod, in the working process, the wind force drives the support to slide upward in the guide groove, so that the support drives the fixed column to move upward, the fixed column applies a force to the positioning plate, at this time, the positioning plate is deformed outward from the middle part, so that the wind is blown out from the gap between the positioning plates, air blowing treatment is performed on the gap on the milling machine table, the cleanliness of the milling machine table is ensured, and the positioning plate is limited by the limiting rod, so that excessive deformation of the positioning plate is avoided.

[0010] The ejecting mechanism comprises a cylinder, the top of the cylinder is fixedly connected with a support, the wind force drives the support to slide upward in the guide groove, the outer end of the support is matched with the guide groove, so that the ejecting mechanism does not deviate when sliding in the sliding groove, the fixed column deviates to apply too much force to one of the positioning plates, and the positioning plate cannot be closed after resetting, the outer wall of the cylinder is in contact with the inner wall of the circular groove, the outer end of the support is slidably connected with the guide groove, the top of the support is fixedly connected with a return spring, one end of the return spring, away from the support, is fixedly connected with the inner wall at the top of the lower bottom of the sliding groove, one end of the support, away from the cylinder, is fixedly connected with a fixed column, and the outer wall of the fixed column is fixedly connected with a limiting block.

[0011] The lubricating mechanism comprises an oil tank fixedly connected to the top of the support, an oil outlet of the oil tank in communication with one end of the lead screw close to the stepper motor, and two oil pipes fixedly connected to the outer wall of the oil tank, the two oil pipes being symmetrically arranged at the two ends of the oil tank, an oil pump fixedly connected to the middle part of the oil pipe, and a slanted groove formed in the interior of the support close to the lead screw, the end of the oil pipe away from the oil tank being located in the interior of the lubricating oil at the left end of the slanted groove, and the middle part of the oil pipe being thread-shaped, in operation, the stepper motor drives the lead screw to rotate, the slide rail threadedly connected to the lead screw moves up and down, the slide rail and the interior of the support slide to generate friction heat, the heat enters the slanted groove along with the lubricating oil, and the oil pump drives the lubricating oil to pass through the oil pipe, the lubricating oil can be well contacted with air through the multi-layer oil pipe, and the heat dissipation effect is achieved.

[0012] The support is fixedly connected with a boss at one end close to the lead screw, the boss is fixedly connected with the lead screw, and the middle part of the slanted groove is fixedly connected with a filter plate, the boss is an upwardly protruding circular table, the outer wall of the boss is provided with an oil outlet, the oil outlet is in communication with the slanted groove, the slanted groove is inclined from high to low towards the oil pipe, the lubricating oil flows to the boss on the outer wall of the lead screw and the outer wall of the slide rail through its own gravity, and then flows into the slanted groove, and further passes through the filter plate, dust existing in the middle of the lubricating oil is filtered through the filter plate, the lubricating oil can be recycled, and the utilization rate of the lubricating oil is improved.

[0013] The beneficial effects of the present application are as follows:

[0014] 1. The clamping part is provided, the supporting plate is pressed and compressed to move downward under stress, the supporting plate contacts the lower part of the rotating plate, the rotating plate exerts force on the elastic sleeve, the elastic sleeve deforms under stress, the rotating plate rotates around the rotating rod, the other end of the rotating plate clamps the workpiece, the position of the workpiece is fixed through the two rotating plates at the two ends of the supporting plate, and the machining precision is improved.

[0015] 2. The protective cover and the limiting plate are provided, the protective cover can block the machining position during machining operation, prevents the flying of the swarf, guarantees the normal work of the equipment and the operator, reduces the subsequent cleaning work, the supporting plate and the rotating plate are reset, the limiting plate is provided, the rotating amplitude of the rotating plate is prevented from being too large when the rotating plate is reset, the elastic sleeve is prevented from being stretched beyond the elastic limit, and the connecting plate is prevented from being separated from the limiting plate, and a limiting effect is achieved.

[0016] 3. The limiting block and the fixing ring are provided, the hair dryer works, air outside the hair dryer blows into the through hole through the air outlet side of the hair dryer at this time, the air force drives the support to slide upward in the guide groove, the support exerts force on the reset spring, the reset spring is compressed under stress, the limiting block and the fixing ring are provided, and the reset spring is prevented from being compressed beyond the elastic limit, and the equipment is prevented from being repaired.

[0017] 4. The application sets the ejection mechanism, the wind drives the bracket to slide upward in the guide groove, and then the bracket drives the fixed column to move upward, the fixed column exerts force on the positioning plate, at this time the positioning plate is deformed convexly from the middle to the outside, so that the wind blows out from the gap between the positioning plates, and then the gap on the milling machine table is blown and treated, ensuring the cleanliness of the milling machine table, and the limiting rod is set to limit the positioning plate to avoid excessive deformation of the positioning plate.

[0018] 5. The application sets the bracket and the guide groove, and the outer end of the bracket is matched with the guide groove, so that the ejection mechanism does not deviate when sliding in the sliding groove, avoiding that the fixed column deviates and exerts too much force on one of the positioning plates, and the positioning plate cannot be closed after resetting.

[0019] 6. The application sets the lubricating mechanism, the stepper motor drives the screw rod to rotate, so that the sliding rail connected with the screw rod moves up and down, the sliding rail and the support inside slide to generate friction heat, the heat enters the chute with the lubricating oil, the oil pump drives the lubricating oil to pass through the oil pipe, the oil pipe is set to make the lubricating oil contact with the air through the multi-layer oil pipe, so as to achieve the effect of heat dissipation, and the filter plate is set to filter the dust existing in the lubricating oil, so that the lubricating oil can be recycled, improving the utilization rate of the lubricating oil. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the front view of the application;

[0021] Figure 2 is a structure schematic view of the right side of the application;

[0022] Figure 3 is a partial structure schematic view of the fixing mechanism of the application;

[0023] Figure 4 is a structure schematic view of the clamping part of the application;

[0024] Figure 5 is a structure schematic view of the workbench of the application;

[0025] Figure 6 is a structure schematic view of the enlarged view at A of the application;

[0026] Figure 7 is a structure schematic view of the limiting part of the application;

[0027] Figure 8 is a structure schematic view of the ejection mechanism of the application;

[0028] Figure 9 is a partial sectional structure schematic view of the lubricating mechanism of the application.

[0029] In the diagram: 1. Machine body; 2. Support; 3. Stepper motor; 4. Cylinder; 5. Worktable; 51. Support plate; 52. Square groove; 53. Blower; 54. Sliding groove; 55. Circular groove; 56. Through hole; 57. Guide groove; 58. Fixing ring; 59. Limiting component; 591. Support ring; 592. Positioning plate; 593. Limiting rod; 6. Ejection mechanism; 61. Cylinder; 62. Bracket; 63. Return spring; 64. Fixing column; 65. Limiting block; 7. Fixing mechanism; 71. Support plate; 72. Compression spring; 73. Limiting post; 74. Fixing rod; 75. Limiting plate; 76. Clamping component; 761. Support seat; 762. Rotating rod; 763. Rotating plate; 764. Connecting plate; 765. Extension plate; 766. Elastic sleeve; 8. Lubrication mechanism; 81. Oil tank; 82. Oil pipe; 83. Oil pump; 84. Filter plate; 85. Boss; 86. Inclined groove; 9. Slide rail; 10. Slide groove; 11. Spindle box; 12. Protective cover; 13. Lead screw. Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

[0031] Example 1, as Figures 1-4 As shown, a high-precision moving-beam CNC gantry milling machine includes a machine body 1. A support 2 is fixedly connected to the outer wall of the machine body 1. The support 2 is U-shaped with an opening facing downwards, and both ends of the opening of the support 2 are fixedly connected to the outer wall of the machine body 1. The machine body 1 is located inside the support 2. A stepper motor 3 is fixedly connected to the top of the support 2. A lead screw 13 is fixedly connected to the bottom of the stepper motor 3. A slide rail 9 is threaded onto the outer wall of the lead screw 13. A spindle box 11 is slidably connected to the end of the slide rail 9 away from the support 2. A protective cover 12 is fixedly connected to the bottom of the spindle box 11. CNC gantry milling machines generate a large amount of waste chips during operation. By installing a protective cover 12, the machining position can be blocked during processing to prevent waste chips from splashing, ensuring the normal operation of the equipment and the operator, while also reducing subsequent cleaning work. A worktable 5 is fixedly connected to the top of the machine body 1, a lubrication mechanism 8 is fixedly connected to the top of the support 2, an ejection mechanism 6 is fixedly connected inside the worktable 5, a cylinder 4 is fixedly connected to the right end of the machine body 1, and the cylinder 4 is fixedly connected to the bottom of the worktable 5. A sliding groove 10 is provided on the outer wall of the support 2. The machine body 1 also includes:

[0032] The fixing mechanism 7 comprises a supporting plate 71 slidably connected to the top of the workbench 5, the supporting plate 71 is in a U shape, and the outer walls of the two ends of the supporting plate 71 are protruding, one end of the supporting plate 71 close to the workbench 5 is fixedly connected with three compression springs 72, the three compression springs 72 are evenly distributed on the bottom of the supporting plate 71, one end of the compression spring 72 away from the supporting plate 71 is fixedly connected with the top of the workbench 5, the bottom of the supporting plate 71 is fixedly connected with three limiting columns 73, the three limiting columns 73 are evenly distributed on the bottom of the supporting plate 71, the limiting column 73 penetrates through the compression spring 72, and the limiting column 73 is located in the middle of the compression spring 72, by arranging the limiting column 73, the supporting plate 71 is prevented from moving downward excessively, and a limiting effect is achieved, the outer wall of the supporting plate 71 is symmetrically provided with a fixed rod 74, the top of the supporting plate 71 is fixedly connected with the fixed rod 74, one end of the fixed rod 74 away from the supporting plate 71 is fixedly connected with a limiting plate 75, the limiting plate 75 is a downward bending plate, after work is finished, the supporting plate 71 and the rotating plate 763 are reset, by arranging the limiting plate 75, the rotating range of the rotating plate 763 is prevented from being too large when the rotating plate 763 is reset, the elastic sleeve 766 is prevented from being stretched beyond the elastic limit, and the connecting plate 764 is prevented from being separated from the limiting plate 75, and a limiting effect is achieved, and the bottom of the limiting plate 75 is provided with two clamping components 76, the two clamping components 76 are symmetrically arranged at the two ends of the supporting plate 71 close to the fixed rod 74.

[0033] The clamping component 76 comprises a supporting seat 761, the number of the supporting seat 761 is two, the two supporting seats 761 are symmetrically arranged with the rotating rod 762 as the center, the bottom of the supporting seat 761 is fixedly connected with the top of the supporting plate 51, the outer wall of the supporting seat 761 is fixedly connected with the rotating rod 762, the outer wall of the rotating rod 762 is rotatably connected with the rotating plate 763, one end of the rotating plate 763 away from the rotating rod 762 is fixedly connected with the connecting plate 764, one end of the connecting plate 764 away from the rotating plate 763 is fixedly connected with the extension plate 765, the number of the extension plate 765 is two, the connecting plate 764 is in a U shape, and the bottom of the connecting plate 764 is connected with the rotating plate 763, one end of the connecting plate 764 opening is fixedly connected with the two extension plates 765, one end of the rotating plate 763 close to the workbench 5 is fixedly connected with the elastic sleeve 766, one end of the elastic sleeve 766 away from the rotating plate 763 is fixedly connected with the top of the supporting plate 51, the workpiece is placed on the supporting plate 71, under the action of the gravity of the workpiece itself, the supporting plate 71 is stressed to press and compress the compression spring 72 to move downward, the supporting plate 71 contacts the lower part of the rotating plate 763, so that the rotating plate 763 applies force to the elastic sleeve 766, the elastic sleeve 766 is deformed under stress, the rotating plate 763 rotates around the rotating rod 762, so that the other end of the rotating plate 763 clamps the workpiece, the position of the workpiece is fixed through the two rotating plates 763 at the two ends of the supporting plate 71, and the machining precision is improved.

[0034] Example two, as shown in Figures 5-8 The workbench 5 includes a support plate 51, the top of the support plate 51 is a concave-convex surface arranged in order, a square groove 52 is arranged at the convex part of the support plate 51, the bottom of the support plate 51 is fixedly connected with a blower 53, the top of the support plate 51 is provided with the square groove 52, the inner wall of the square groove 52 is slidably connected with the outer wall of the support plate 71, and the compression spring 72 is located in the interior of the square groove 52.

[0035] The interior of the support plate 51 close to the blower 53 is provided with a through hole 56, the through hole 56 is communicated with the air outlet side of the blower 53, the top of the support plate 51 is provided with a sliding groove 54, the bottom of the sliding groove 54 is provided with a circular groove 55, the sliding groove 54 is located at the concave part of the support plate 51, the sliding groove 54 is communicated with the through hole 56 through the circular groove 55, and the sliding groove 54 and the circular groove 55 are located on the same vertical plane, the sliding groove 54 is in the shape of a circular truncated cone, the diameter of the lower part of the sliding groove 54 is larger than that of the circular groove 55, the inner wall of the sliding groove 54 is provided with a guide groove 57, the number of the guide grooves 57 is six, the six guide grooves 57 are evenly distributed on the larger diameter part of the sliding groove 54, the top of the sliding groove 54 is fixedly connected with a limiting part 59, the top of the sliding groove 54 is fixedly connected with a fixing ring 58, the limiting part 59 is located on the top of the support plate 51, the fixing ring 58 is a circular ring protruding away from the inner wall of the sliding groove 54, the number of the limiting parts 59 is several, and the several limiting parts 59 are evenly distributed on the concave part of the support plate 51, during the working process of the numerical control milling machine, the blower 53 works, at this time, the air outside is blown into the through hole 56 through the air outlet side of the blower 53, the air force drives the bracket 62 to slide upward in the guide groove 57, and at the same time, the bracket 62 generates a force on the return spring 63, the return spring 63 is compressed under stress, and through the setting of the limiting block 65 and the fixing ring 58, the compression of the return spring 63 beyond the elastic limit is avoided, so that the equipment needs to be repaired.

[0036] The limiting component 59 comprises a supporting ring 591 fixedly connected with the top of the support plate 51, the bottom of the supporting ring 591 is fixedly connected with a positioning plate 592, the positioning plate 592 is elastic, the positioning plate 592 is a downwardly curved plate, the number of the positioning plate 592 is five, the five positioning plates 592 are uniformly distributed on the supporting ring 591, by arranging the five positioning plates 592, in the working state, the positioning plate 592 just closes the upper hole of the sliding groove 54, thereby avoiding dust and debris from blocking the air outlet, and facilitating the internal cleaning work, the top of the supporting ring 591 is fixedly connected with a limiting rod 593, in the working process, the wind drives the bracket 62 to slide upward in the guide groove 57, thereby the bracket 62 drives the fixed column 64 to move upward, the fixed column 64 exerts force on the positioning plate 592, at this time, the positioning plate 592 is deformed outwardly from the middle part, so that the wind blows out from the gap between the positioning plates 592, thereby blowing the gap on the milling machine table, ensuring the cleanliness of the milling machine table, and the limiting rod 593 is arranged to limit the positioning plate 592, avoiding excessive deformation of the positioning plate 592.

[0037] The ejection mechanism 6 comprises a cylinder 61, the top of the cylinder 61 is fixedly connected with a bracket 62, the wind drives the bracket 62 to slide upward in the guide groove 57, by arranging the outer end of the bracket 62 matched with the guide groove 57 one by one, the ejection mechanism 6 does not deviate when sliding in the sliding groove 54, avoiding that the fixed column 64 deviates and exerts too much force on one of the positioning plates 592, and the positioning plate 592 cannot be closed after resetting, the outer wall of the cylinder 61 is in contact with the inner wall of the circular groove 55, the outer end of the bracket 62 is slidingly connected with the guide groove 57, the top of the bracket 62 is fixedly connected with a reset spring 63, one end of the reset spring 63 away from the bracket 62 is fixedly connected with the top of the inner wall of the lower bottom of the sliding groove 54, the end of the bracket 62 away from the cylinder 61 is fixedly connected with a fixed column 64, the outer wall of the fixed column 64 is fixedly connected with a limiting block 65.

[0038] In example three, as Figure 9As shown, the lubricating mechanism 8 comprises an oil tank 81 fixedly connected to the top of the support 2, the oil outlet of the oil tank 81 is communicated with the end of the lead screw 13 close to the stepper motor 3, the outer wall of the oil tank 81 is fixedly connected with oil pipes 82, the number of the oil pipes 82 is two, the two oil pipes 82 are symmetrically arranged at both ends of the oil tank 81, the middle part of the oil pipe 82 is fixedly connected with an oil pump 83, the oil pipe 82 is located in the inside of the support 2, the inside of the support 2 close to the lead screw 13 is provided with an inclined groove 86, the end of the oil pipe 82 away from the oil tank 81 is located in the inside of the lubricating oil at the left end of the inclined groove 86, and the middle part of the oil pipe 82 is thread-shaped, during work, the stepper motor 3 drives the lead screw 13 to rotate, so that the sliding rail 9 threadedly connected with the lead screw 13 moves up and down, the sliding rail 9 and the inside of the support 2 slide to generate friction heat, the heat enters the inclined groove 86 with the lubricating oil, the oil pump 83 drives the lubricating oil to pass through the oil pipe 82, by arranging the oil pipe 82, the lubricating oil can be in good contact with the air through the multi-layer oil pipe 82, so as to achieve the effect of heat dissipation.

[0039] The end of the support 2 close to the lead screw 13 is fixedly connected with a boss 85, the boss 85 is fixedly connected with the lead screw 13, the middle part of the inclined groove 86 is fixedly connected with a filter plate 84, the boss 85 is an upwardly convex circular table, and the outer wall of the boss 85 is provided with an oil outlet, the oil outlet is communicated with the inclined groove 86, the inclined groove 86 is inclined from high to low to the oil pipe 82, when the lubricating oil utilizes its own gravity to flow to the boss 85 through the outer wall of the lead screw 13 and the outer wall of the sliding rail 9 and then flows into the inclined groove 86, and further passes through the filter plate 84, by arranging the filter plate 84 to filter the dust existing in the middle of the lubricating oil, the lubricating oil can be recycled, and the utilization rate of the lubricating oil is improved.

[0040] In use, the workpiece is placed on the supporting plate 71, under the action of its own gravity, the supporting plate 71 is stressed to compress the spring 72 to move downward, the supporting plate 71 contacts the lower part of the rotating plate 763, so that the rotating plate 763 exerts force on the elastic sleeve 766, the elastic sleeve 766 is deformed under stress, the rotating plate 763 rotates around the rotating rod 762, so that the other end of the rotating plate 763 clamps the workpiece, the position of the workpiece is fixed through the two rotating plates 763 at both ends of the supporting plate 71, the machining precision is improved, after the workpiece is fixed, the sliding rail 9 is moved up and down through the stepper motor 3, the workbench 5 is moved left and right through the air cylinder 4, so that the cutter can machine the workpiece in X, Y and Z directions.

[0041] During work, the wind drives the support 62 to slide upward in the guide groove 57, and then the support 62 drives the fixed column 64 to move upward, the fixed column 64 exerts force on the positioning plate 592, at this time, the positioning plate 592 is convexly deformed outward from the middle part, so that the wind blows out from the gap between the positioning plates 592, and then blows the gap on the milling machine table, to ensure the cleanliness of the milling machine table.

[0042] In working, the stepper motor 3 drives the screw rod 13 to rotate, so that the slide rail 9 threaded with the screw rod 13 moves up and down, the slide rail 9 and the support 2 inside slide produce friction heat, the heat enters the chute 86 with the lubricating oil, the oil pump 83 drives the lubricating oil, through the oil pipe 82, through the setting oil pipe 82, so that the lubricating oil can be well through the multilayer oil pipe 82 and air contact, so as to achieve the effect of heat dissipation.

[0043] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.

Claims

1. A high-precision moving beam numerical control planer-type milling machine, comprising a machine body (1), the outer wall of the machine body (1) is fixedly connected with a support (2), characterized in that, The top of the support (2) is fixedly connected with a stepping motor (3), the bottom of the stepping motor (3) is fixedly connected with a lead screw (13), the outer wall of the lead screw (13) is threadedly connected with a sliding rail (9), the end of the sliding rail (9) away from the support (2) is slidingly connected with a main shaft box (11), the bottom of the main shaft box (11) is fixedly connected with a protective cover (12), the top of the machine body (1) is fixedly connected with a workbench (5), the top of the support (2) is fixedly connected with a lubricating mechanism (8), the inside of the workbench (5) is fixedly connected with an ejection mechanism (6), the right end of the machine body (1) is fixedly connected with an air cylinder (4), the air cylinder (4) is fixedly connected with the bottom of the workbench (5), the outer wall of the support (2) is provided with a sliding groove (10), and the lubricating mechanism (8) further comprises: The fixing mechanism (7) comprises a supporting plate (71) slidingly connected to the top of the workbench (5), one end of the supporting plate (71) close to the workbench (5) is fixedly connected with a compression spring (72), one end of the compression spring (72) away from the supporting plate (71) is fixedly connected with the top of the workbench (5), the bottom of the supporting plate (71) is fixedly connected with a limiting column (73), the outer wall of the supporting plate (71) is symmetrically provided with a fixed rod (74), the top of the supporting plate (71) is fixedly connected with the fixed rod (74), one end of the fixed rod (74) away from the supporting plate (71) is fixedly connected with a limiting plate (75), and the bottom of the limiting plate (75) is provided with a clamping part (76); The clamping part (76) comprises a supporting seat (761), the outer wall of the supporting seat (761) is fixedly connected with a rotating rod (762), the outer wall of the rotating rod (762) is rotatably connected with a rotating plate (763), one end of the rotating plate (763) close to the workbench (5) is fixedly connected with an elastic sleeve (766); The workbench (5) comprises a supporting plate (51), the bottom of the supporting plate (51) is fixedly connected with a hair dryer (53), the inside of the supporting plate (51) close to the hair dryer (53) is provided with a through hole (56), the top of the supporting plate (51) is provided with a sliding groove (54), the bottom of the sliding groove (54) is provided with a circular groove (55), the inner wall of the sliding groove (54) is provided with a guide groove (57), the top of the sliding groove (54) is fixedly connected with a limiting part (59), and the limiting part (59) is located on the top of the supporting plate (51); The limiting part (59) comprises a supporting ring (591), the supporting ring (591) is fixedly connected with the top of the supporting plate (51), the bottom of the supporting ring (591) is fixedly connected with a positioning plate (592), the number of the positioning plate (592) is five, five positioning plates (592) are evenly distributed on the supporting ring (591), and the top of the supporting ring (591) is fixedly connected with a limiting rod (593). The ejection mechanism (6) includes a cylinder (61), the top of the cylinder (61) is fixedly connected with a support (62), the outer wall of the cylinder (61) is in contact with the inner wall of the circular groove (55), the outer end of the support (62) is slidably connected with the guide groove (57), the top of the support (62) is fixedly connected with a return spring (63), the end, away from the cylinder (61), of the support (62) is fixedly connected with a fixed column (64), and the outer wall of the fixed column (64) is fixedly connected with a limiting block (65).

2. The high-precision moving beam numerical control planer-type milling machine according to claim 1, characterized in that: The turning plate (763) is fixedly connected with a connecting plate (764) at the end, away from the turning rod (762), of the turning plate (763), and the connecting plate (764) is fixedly connected with an extension plate (765) at the end, away from the turning plate (763), of the connecting plate (764).

3. The high-precision moving beam numerical control longmen milling machine according to claim 1, characterized in that: The top of the support plate (51) is provided with a square groove (52), the inner wall of the square groove (52) is slidably connected with the outer wall of the supporting plate (71), and the compression spring (72) is located in the square groove (52).

4. The high-precision moving beam numerical control longmen milling machine of claim 1, wherein: The lubricating mechanism (8) includes an oil tank (81), the outer wall of the oil tank (81) is fixedly connected with an oil pipe (82), the middle of the oil pipe (82) is fixedly connected with an oil pump (83), the oil pipe (82) is located in the support (2), and the inside of the support (2), close to the lead screw (13), is provided with an inclined groove (86).

5. The high-precision moving beam numerical control longmen milling machine according to claim 4, characterized in that: The end, close to the lead screw (13), of the support (2) is fixedly connected with a boss (85), the boss (85) is fixedly connected with the lead screw (13), and the middle of the inclined groove (86) is fixedly connected with a filter plate (84).

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