A drilling apparatus and drilling process for nozzle pin bore machining

Abstract

The present application relates to the technical field of machine tool processing, and discloses a drilling equipment and a drilling process for nozzle pin hole processing, which comprises a support and a base, the support is provided with a drilling device and a lifting device, the base is provided with a conveying device and a positioning device, and the base is respectively provided with an inlet conveying table and an outlet conveying table on both sides; the drilling device comprises a control source, a plurality of drill bits and an adjusting part for adjusting the positions of the plurality of drill bits, the lifting device comprises a first threaded rod and a transmission part, and the conveying device comprises a conveying belt and a moving part for controlling the position of the conveying belt on the base. Through the adjusting part, the positions between the plurality of drill bits are adjusted, and through the conveying belt, the workpiece is carried, so that the rapid processing and carrying of the workpiece are realized, and the problems that the traditional drilling machine needs to frequently replace the matching cutter disc when processing different workpieces, and the processed workpiece needs to be grabbed and placed by a mechanical hand, the operation is complicated, and the processing efficiency is affected are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of machine tool processing, in particular to a drilling equipment and a drilling process for nozzle pin hole processing. BACKGROUND

[0002] The drilling equipment refers to a machine and equipment that leaves a cylindrical hole on a target by rotating cutting or rotating extrusion with a tool harder and sharper than the target. When the punch needs to punch the multi-hole workpiece, the tool holder needs to be replaced and the position of the tool holder needs to be adjusted according to the distribution of the holes on the workpiece. After the workpiece is processed, the workpiece needs to be grabbed and placed by a mechanical hand, which is complicated to operate and affects the processing efficiency of the workpiece. SUMMARY

[0003] To solve the above technical problems, the present application provides the following technical scheme:

[0004] A drilling equipment, comprising a support and a base, wherein the support is provided with a drilling device and a lifting device, the base is provided with a conveying device and a positioning device, and the base is provided with an inlet conveying table and an outlet conveying table on both sides.

[0005] The drilling device comprises a control source, a plurality of drill bits and an adjusting member for adjusting the positions of the plurality of drill bits, the control source drives the adjusting member to operate and drives the plurality of drill bits to rotate.

[0006] The lifting device comprises a first threaded rod and a transmission member, the transmission member and the adjusting member are in power transmission, so that when the control source drives the adjusting member to operate, the transmission member is driven to operate and the first threaded rod is driven to rotate, thereby driving the drill bit to lift.

[0007] The conveying device comprises a conveying belt and a moving member for controlling the position of the conveying belt on the base, the moving member drives the conveying belt to move when operating, so that the conveying belt is located directly below the drill bit.

[0008] The positioning device comprises a transverse clamping member and a longitudinal clamping member, and a linkage member is arranged between the transverse clamping member and the longitudinal clamping member, so that the longitudinal clamping member is driven to operate synchronously when the longitudinal clamping member operates.

[0009] Preferably, one side of the support is provided with a mounting frame, the control source comprises a first motor, the first motor is fixedly installed on the top of the mounting frame, the adjusting part comprises a plurality of universal joints, double-row guide grooves are formed around the bottom of the mounting frame, a drill rod is fixedly installed on the drill bit, a sleeve is sleeved on the outer periphery of the drill rod, the drill rod is rotatably arranged in the sleeve through a bearing, a connecting plate is fixedly connected to one side of the sleeve, a sliding groove is formed in one side of the connecting plate, a sliding pin is slidably arranged in the sliding groove, the sliding pin is slidably arranged in the double-row guide grooves, one end of the universal joint is rotatably arranged in the mounting frame through a bearing, and the other end of the universal joint is fixedly connected with the drill rod.

[0010] Preferably, the adjusting part further comprises a first gear and a plurality of second gears, a first rotating rod and a plurality of second rotating rods are rotatably connected in the mounting frame through bearings, the output end of the first motor is fixedly connected with one end of the first rotating rod, the first gear is fixedly installed on the first rotating rod, one end of the second rotating rod is fixedly connected with one end of the universal joint, and the second gear is fixedly installed on the second rotating rod.

[0011] Preferably, the transmission part comprises a third rotating rod and a fourth rotating rod, a third gear is fixedly installed on the first rotating rod, the third rotating rod is rotatably arranged on the mounting frame through a bearing, a fourth gear is fixedly installed on the third rotating rod, the third gear is meshed with the fourth gear, the fourth rotating rod is rotatably arranged on the mounting frame through a bearing, one end of the fourth rotating rod is fixedly connected with one end of the first threaded rod, a fifth gear is fixedly installed on the third rotating rod, a sixth gear is fixedly installed on the fourth rotating rod, and the sixth gear is meshed with the fifth gear.

[0012] Preferably, the transmission part further comprises a guide rail and a guide block, the guide rail is installed on the top of one side of the support, the guide block is fixedly installed on one side of the mounting frame, the guide block is slidably arranged on the guide rail, a supporting seat is fixedly installed on one side of the support, the bottom end of the first threaded rod is rotatably arranged on the supporting seat through a bearing, and the mounting frame is threadedly connected with the first threaded rod.

[0013] Preferably, the moving part comprises a moving frame, rotating rollers are rotatably connected to the two sides of the moving frame through bearings, the conveying belt is sleeved on the rotating rollers, a guide groove is formed in the base, the moving frame is slidably arranged in the guide groove, lateral plates are fixedly connected to the two sides of the moving frame, a second motor is fixedly connected to one side of the lateral plate, the output end of the second motor is fixedly connected with one of the rotating rollers, a first piston rod is fixedly connected to one side of the lateral plate, one end of the first piston rod is assembled on the support, a first air cylinder is fixedly installed on the support, and the output end of the first air cylinder is fixedly connected with one end of the first piston rod.

[0014] Preferably, the longitudinal clamp comprises two first clamping plates, vertical plates are fixedly connected on the horizontal plate, round rods are fixedly connected on both sides of the first clamping plates, the round rods are in sliding connection with the vertical plates, a second threaded rod is rotatably connected on one side of the first clamping plate through a bearing, the second threaded rod is in threaded connection with the vertical plate, belt pulleys are rotatably connected on both ends of one side of the vertical plate through bearings, one of the belt pulleys is mounted on the outer circumference of the second threaded rod and is in threaded connection with the second threaded rod, a transmission belt is sleeved on the outer circumferences of the two belt pulleys, a rectangular hole is formed in the base, the bottom end of the vertical plate extends to the bottom of the base and is in sliding connection with the rectangular hole, a connecting rod is arranged between the two vertical plates, and the connecting rod is fixedly connected with the two belt pulleys at both ends.

[0015] Preferably, the horizontal clamp comprises two second clamping plates, a second cylinder is fixedly installed on the base, a moving plate is arranged on one side of the second cylinder, a second piston rod is fixedly installed on one side of the moving plate, the output end of the second cylinder is fixedly connected with one end of the second piston rod, rectangular seats are fixedly installed on both ends of one side of the moving plate, a rectangular groove is formed in the rectangular seat, a third threaded rod is rotatably connected in the rectangular groove through a bearing, a rectangular block is fixedly connected to the bottom of the second clamping plate, the rectangular block is slidably arranged in the rectangular groove and is in threaded connection with the third threaded rod, a main gear is rotatably connected on one side of the rectangular seat through a bearing, and the main gear is fixedly connected with one end of the third threaded rod.

[0016] Preferably, the linkage comprises a clamping block and a clamping groove, a moving block is fixedly connected to the bottom of the moving plate, the moving block is slidably arranged in the rectangular hole, a main rod is rotatably connected in the moving block through a bearing, a secondary rod is arranged on one side of the main rod, an intermediate piece is arranged between the main rod and the secondary rod, the clamping block is fixedly installed on one end of the secondary rod, the clamping groove is formed in one side of one of the belt pulleys, the clamping block is fitted with the clamping groove, a third motor is fixedly connected on one side of the moving block, the output end of the third motor is fixedly connected with one end of the main rod, a cross rod is rotatably connected in the moving plate through a bearing, a transmission belt is sleeved on the main rod and the cross rod, a worm is fixedly connected on one end of the cross rod, two transmission rods are rotatably connected in the moving plate through bearings, tooth belts are sleeved on both ends of the two transmission rods, the tooth belts are in meshing connection with the main gear, a worm wheel is fixedly connected on the outer circumference of one of the transmission rods, and the worm wheel is in meshing connection with the worm.

[0017] The intermediate piece comprises a hinged plate, an inner groove is formed in one side of the secondary rod, an inner rod is fixedly connected on one side of the main rod, the inner rod is sleeved in the inner groove, a plurality of hinged plates are arranged on the outer circumference of the inner rod and are hinged with the inner rod, a torsion spring is fixedly installed at the hinge between the hinged plate and the inner rod, a plurality of baffles are fixedly connected on the inner wall of the inner groove, and the hinged plate is in contact with the baffle.

[0018] A drilling process for nozzle pin hole processing, a drilling device is applied, and the specific steps are as follows:

[0019] The positions of the plurality of drill bits are adjusted according to the distribution of the round holes on the workpiece, that is, the positions between the plurality of drill bits are adjusted through the adjusting member, and then the position of the conveying belt is adjusted through the moving member, so that the conveying belt is located directly below the plurality of drill bits, after the positions of the drill bits and the conveying belt are adjusted, the workpiece is moved to the conveying belt by the feeding conveying table, the conveying belt rotates and the workpiece is located below the drill bits, then the linkage member operates to drive the transverse clamping member to move to the conveying table, so that the transverse clamping member moves to the top of the conveying table, and the power transmission between the transverse clamping member and the longitudinal clamping member is achieved, the linkage member drives the longitudinal clamping member to operate at the same time, so that the workpiece is fixed between the transverse clamping member and the longitudinal clamping member, and then the transmission member is driven to operate by the control source, and the drill bits are driven to rotate by the power transmission between the transmission member and the adjusting member, and the lifting device is driven to operate at the same time, so that the drill bits move to the workpiece and the fixed workpiece is drilled. Advantages

[0020] Compared with the prior art, the drilling device and the drilling process for nozzle pin hole processing have the following advantages:

[0021] 1. A drilling device and a drilling process for nozzle pin hole processing, the positions between the plurality of drill bits are adjusted through the adjusting member, and the drill bits are driven to work and lift at the same time through the transmission member, so that the workpiece is processed, the workpiece is fixed during the conveying process through the positioning device, and the processing is facilitated, when the workpiece processing is completed, the workpiece is carried through the conveying belt, so that the workpiece is quickly processed and carried, and the problem that the traditional drilling machine needs to frequently replace the matching tool disc when processing different workpieces, and the processed workpiece needs to be grabbed and placed by a mechanical hand, which is complicated and affects the processing efficiency, is solved.

[0022] 2. A drilling device and a drilling process for nozzle pin hole processing, the positions of the single drill bits are adjusted at will according to the hole positions on the workpiece through the setting of the universal joint and the sliding connection between the sliding pin and the connecting plate and the double-row guide groove, so that the device is suitable for processing various workpieces, and the matching tool disc does not need to be replaced according to the size and hole position of the workpiece, the operation is more convenient, and the adaptability is higher.

[0023] 3. A drilling device and drilling process for nozzle pin hole machining, which can quickly transport workpieces to a transport table for machining through cooperation between an infeed transport table and an outfeed transport table and a transport belt, and through the setting of a positioning device during workpiece machining, the periphery of the workpiece is positioned to prevent the workpiece from moving with the rotation of the transport belt and the workpiece is machined, and when the workpiece machining is complete, the positioning device is separated from the top of the transport belt so that the workpiece is transported to the outfeed transport table by the transport belt, thereby quickly completing the transport, machining and outfeed of the workpiece, and relative to the gripping and placing of a mechanical hand, the transport by the transport belt is simpler and faster. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is one of the overall structure schematic diagrams of the drilling device of the present application.

[0025] Figure 2 It is the second overall structure schematic diagram of the drilling device of the present application.

[0026] Figure 3 It is the structure schematic diagram of the Figure 2 A part of the present application.

[0027] Figure 4 It is the structure schematic diagram of the adjusting member and the transmission member of the present application.

[0028] Figure 5 It is the structure schematic diagram of the Figure 4 B part of the present application.

[0029] Figure 6 It is the structure schematic diagram of the moving member of the present application.

[0030] Figure 7 It is the structure schematic diagram of the transverse clamping member and the longitudinal clamping member of the present application.

[0031] Figure 8 It is the structure schematic diagram of the Figure 7 C part of the present application.

[0032] Figure 9 It is the structure schematic diagram of the Figure 7 D part of the present application.

[0033] Figure 10 It is the structure schematic diagram of the linkage member of the present application.

[0034] Figure 11 It is the structure schematic diagram of the Figure 10 E part of the present application.

[0035] Figure 12 It is the structure schematic diagram of the Figure 11 F part of the present application.

[0036] In the figure: 1, support; 2, base; 3, drilling device; 4, lifting device; 5, conveying device; 6, positioning device; 7, feeding conveyor; 8, discharging conveyor; 31, control source; 32, drill bit; 33, adjusting piece; 41, first threaded rod; 42, transmission piece; 51, conveying belt; 52, moving piece; 61, transverse clamping piece; 62, longitudinal clamping piece; 63, linkage; 9, mounting frame; 311, first motor; 331, universal joint; 332, double-row guide groove; 333, drill rod; 334, sleeve; 335, connecting plate; 336, sliding groove; 337, sliding pin; 338, first gear; 339, second gear; 3310, first rotating rod; 3311, second rotating rod; 421, third rotating rod; 422, fourth rotating rod; 423, third gear; 424, fourth gear; 425, fifth gear; 426, sixth gear; 427, guide rail; 428, guide block; 429, support seat; 521, moving frame; 522, rotating roller; 523, guide groove; 524, cross plate; 525, second motor; 526, first piston rod; 527, first cylinder; 621, first clamping plate; 622, vertical plate; 623, round rod; 624, second threaded rod; 625, pulley; 626, transmission belt; 627, rectangular hole; 628, connecting rod; 611, second clamping plate; 612, second cylinder; 613, moving plate; 614, second piston rod; 615, rectangular seat; 616, rectangular groove; 617, third threaded rod; 618, rectangular block; 619, main gear; 631, clamping block; 632, clamping groove; 633, moving block; 634, main rod; 635, auxiliary rod; 630, intermediate piece; 636, third motor; 637, cross rod; 638, transmission belt; 639, worm; 6310, transmission rod; 6311, toothed belt; 6312, worm wheel; 6301, hinged plate; 6302, inner groove; 6303, inner rod; 6304, torsional spring; 6305, baffle. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0038] As introduced in the background, the deficiencies in the prior art exist, in order to solve the above technical problems, the present application provides a drilling device and a drilling process for nozzle pin hole machining. Embodiment one:

[0039] Please refer to Figures 1-3The application relates to a drilling device, which comprises a support 1 and a base 2, the support 1 is provided with a drilling device 3 and a lifting device 4, the base 2 is provided with a conveying device 5 and a positioning device 6, and the base 2 is provided with an infeed conveying table 7 and an outfeed conveying table 8 on the two sides respectively;

[0040] The drilling device 3 comprises a control source 31, a plurality of drill bits 32 and an adjusting part 33 for adjusting the positions of the drill bits 32, the control source 31 drives the adjusting part 33 to operate and drives the drill bits 32 to rotate;

[0041] The lifting device 4 comprises a first threaded rod 41 and a transmission part 42, the transmission part 42 and the adjusting part 33 are in power transmission, so that when the control source 31 drives the adjusting part 33 to operate, the transmission part 42 is driven to operate and the first threaded rod 41 is driven to rotate, and then the drill bits 32 are lifted;

[0042] The conveying device 5 comprises a conveying belt 51 and a moving part 52 for adjusting the position of the conveying belt 51 on the base 2, when the moving part 52 operates, the conveying belt 51 is driven to move, so that the conveying belt 51 is located directly below the drill bits 32;

[0043] The positioning device 6 comprises a transverse clamping part 61 and a longitudinal clamping part 62, and a linkage part 63 is arranged between the transverse clamping part 61 and the longitudinal clamping part 62, so that when the longitudinal clamping part 62 operates, the longitudinal clamping part 62 is driven to operate synchronously.

[0044] Specifically, the positions of the drill bits 32 are adjusted according to the distribution of the round holes on the workpiece, that is, the positions among the drill bits 32 are adjusted through the adjusting part 33, then the position of the conveying belt 51 is adjusted through the moving part 52, so that the conveying belt 51 is located directly below the drill bits 32, after the positions of the drill bits 32 and the conveying belt 51 are adjusted, the infeed conveying table drives the workpiece to move to the conveying belt 51, the conveying belt 51 rotates and the workpiece is located below the drill bits 32, then the linkage part 63 operates, the transverse clamping part 61 is driven to move to the conveying table, the transverse clamping part 61 and the longitudinal clamping part 62 are in power transmission, the linkage part drives the longitudinal clamping part 62 to operate at the same time, and the transverse clamping part 61 is driven to operate, so that the workpiece is fixed between the transverse clamping part 61 and the longitudinal clamping part 62, then the control source 31 drives the transmission part 42 to operate, the control source 31 drives the drill bits 32 to rotate through the power transmission between the transmission part 42 and the adjusting part 33, and the lifting device 4 is driven to operate at the same time, so that the drill bits 32 move to the workpiece and drill the fixed workpiece;

[0045] The positions among the plurality of drill bits 32 are adjusted by the adjustment piece 33, and the drill bits 32 are driven to work and lift at the same time by the transmission piece 42, so that the workpiece is machined. The workpiece is fixed during the transportation by the positioning device 6, and the machining is facilitated. When the workpiece is machined, the workpiece is carried by the transportation belt 51, so that the workpiece is quickly machined and carried, and the problem that the traditional drilling machine needs to frequently replace the matching cutter disc when machining different workpieces, and the machined workpiece needs to be grabbed and placed by a mechanical hand, which is complicated and affects the machining efficiency, is solved. Embodiment two:

[0046] The difference from the above-mentioned embodiment one is that, referring to Figures 2-5 For the drilling device 3 and the lifting device 4, the support 1 is provided with a mounting frame 9 on one side, the control source 31 includes a first motor 311, the first motor 311 is fixedly installed on the top of the mounting frame 9, the adjustment piece 33 includes a plurality of universal joints 331, double-row guide grooves 332 are formed around the bottom of the mounting frame 9, drill rods 333 are fixedly installed on the drill bits 32, sleeves 334 are sleeved around the drill rods 333, the drill rods 333 are rotatably arranged in the sleeves 334 through bearings, the sleeves 334 are fixedly connected with connecting plates 335 on one side, the connecting plates 335 are provided with sliding grooves 336 on one side, sliding pins 337 are slidably arranged in the sliding grooves 336, the sliding pins 337 are slidably arranged in the double-row guide grooves 332, the universal joints 331 are rotatably arranged in the mounting frame 9 through bearings on one end, and the universal joints 331 are fixedly connected with the drill rods 333 on the other end;

[0047] The adjustment piece 33 further includes a first gear 338 and a plurality of second gears 339, a first rotating rod 3310 and a plurality of second rotating rods 3311 are rotatably connected in the mounting frame 9, the output end of the first motor 311 is fixedly connected with one end of the first rotating rod 3310, the first gear 338 is fixedly installed on the first rotating rod 3310, one end of the second rotating rod 3311 is fixedly connected with one end of the universal joint 331, and the second gear 339 is fixedly installed on the second rotating rod 3311. The first gear 338 is in meshing connection with the second gear 339;

[0048] The transmission member 42 includes a third rotating rod 421 and a fourth rotating rod 422. A third gear 423 is fixedly mounted on the first rotating rod 3310. The third rotating rod 421 is rotatably mounted on the mounting frame 9 via a bearing. A fourth gear 424 is fixedly mounted on the third rotating rod 421. The third gear 423 is meshed with the fourth gear 424. The fourth rotating rod 422 is rotatably mounted on the mounting frame 9 via a bearing. One end of the fourth rotating rod 422 is fixedly connected to one end of the first threaded rod 41. A fifth gear 425 is fixedly mounted on the third rotating rod 421. A sixth gear 426 is fixedly mounted on the fourth rotating rod 422. The sixth gear 426 is meshed with the fifth gear 425.

[0049] The transmission member 42 further includes a guide rail 427 and a guide block 428. The guide rail 427 is mounted on the top of one side of the support 1. The guide block 428 is fixedly mounted on one side of the mounting bracket 9. The guide block 428 is slidably mounted on the guide rail 427. A support seat 429 is fixedly mounted on one side of the support 1. The bottom end of the first threaded rod 41 is rotatably mounted on the support seat 429 via a bearing. The mounting bracket 9 is threadedly connected to the first threaded rod 41.

[0050] Specifically, the drill bit 32 is adjusted according to the position of the hole to be drilled on the workpiece. The sliding connection between the sliding pin 337 and the connecting plate 335 and the double-row guide groove 332, as well as the fixed connection between the drill rod 333 and one end of the universal joint 331 and the connection between the connecting plate 335 and the drill rod 333 are used to adjust the position of the single drill bit 32 at the bottom of the mounting bracket 9. After the position of the drill bit 32 is adjusted, the connecting plate 335 is fixed to the bottom of the mounting bracket 9 through the setting of the sliding pin 337. The setting of the universal joint 331 ensures that the use of the drill bit 32 is not affected after the drill bit 32 is adjusted. After the position of the drill bit 32 is adjusted, the first motor 311 is operated to drive the first rotating rod 3310 to operate, and the meshing connection between the first gear 338 and the second gear 339 drives the second gear 339 to rotate, thereby driving The second rotating rod 3311 rotates, thereby driving the universal joint 331 and the rotating rod and drill bit 32 at the bottom of the universal joint 331 to rotate. At the same time, when the first rotating rod 3310 rotates, it drives the third gear 423 to rotate, and through the meshing connection between the third gear 423 and the fourth gear 424, drives the third rotating rod 421 to rotate, and then drives the fifth gear 425 on the third rotating rod 421 to rotate. Through the meshing connection between the fifth gear 425 and the sixth gear 426, drives the sixth gear 426 to rotate, and then drives the fourth rotating rod 422 to rotate, and then drives the first threaded rod 41 to rotate. Through the threaded connection between the first threaded rod 41 and the mounting bracket 9, and the sliding connection between the guide block 428 on one side of the mounting bracket 9 and the guide rail 427 on one side of the support 1, the mounting bracket 9 is driven to move up and down on one side of the support 1. Example 3:

[0051] The difference from the above embodiment 2 is that, see Figure 6For the above transport device 5, the moving piece 52 includes a moving frame 521, both sides of the moving frame 521 are rotatably connected with rotating rollers 522 through bearings, the transport belt 51 is sleeved on the rotating rollers 522, a guide groove 523 is formed on the base 2, the moving frame 521 is slidably arranged in the guide groove 523, both sides of the moving frame 521 are fixedly connected with cross plates 524, one side of each cross plate 524 is fixedly connected with a second motor 525, the output end of the second motor 525 is fixedly connected with one of the rotating rollers 522, one side of each cross plate 524 is fixedly connected with a first piston rod 526, one end of the first piston rod 526 is assembled on the support 1, the support 1 is fixedly installed with a first air cylinder 527, the output end of the first air cylinder 527 is fixedly connected with one end of the first piston rod 526;

[0052] Specifically, the second motor 525 drives the rotating rollers 522 to rotate, so as to drive the transport belt 51 to rotate, and in order to adjust the position of the transport belt 51, the first air cylinder 527 drives the first piston rod 526 to extend and retract, and the position of the moving frame 521 and the transport belt 51 on the moving frame 521 is adjusted through the sliding connection between the moving frame 521 and the guide groove 523, so that the transport belt 51 is located directly below the drill bit 32. Embodiment four:

[0053] The difference from the above embodiment three is that, referring to Figures 7-12 For the above longitudinal clamping piece 62, the transverse clamping piece 61 and the linkage 63, the longitudinal clamping piece 62 includes two first clamping plates 621, the cross plate 524 is fixedly connected with vertical plates 622, both sides of each first clamping plate 621 are fixedly connected with round rods 623, the round rods 623 are slidably connected with the vertical plates 622, one side of each first clamping plate 621 is rotatably connected with second threaded rods 624 through bearings, the second threaded rods 624 are threadedly connected with the vertical plates 622, both ends of one side of each vertical plate 622 are rotatably connected with belt pulleys 625 through bearings, one of the belt pulleys 625 is installed on the outer circumference of the second threaded rod 624 and is threadedly connected with the second threaded rod 624, a transmission belt 626 is sleeved on the outer circumferences of the two belt pulleys 625, a rectangular hole 627 is formed on the base 2, the bottom end of each vertical plate 622 extends to the bottom of the base 2 and is slidably connected with the rectangular hole 627, a connecting rod 628 is arranged between the two vertical plates 622, and both ends of the connecting rod 628 are fixedly connected with the two belt pulleys 625;

[0054] The lateral clamping piece 61 comprises two second clamping plates 611, a second air cylinder 612 is fixedly installed on the base 2, a moving plate 613 is arranged on one side of the second air cylinder 612, a second piston rod 614 is fixedly installed on one side of the moving plate 613, the output end of the second air cylinder 612 is fixedly connected with one end of the second piston rod 614, a rectangular seat 615 is fixedly installed on both ends of one side of the moving plate 613, a rectangular groove 616 is formed in the rectangular seat 615, a third threaded rod 617 is rotatably connected in the rectangular groove 616 through a bearing, a rectangular block 618 is fixedly connected to the bottom of the second clamping plate 611, the rectangular block 618 is slidably arranged in the rectangular groove 616 and is threadedly connected with the third threaded rod 617, a main gear wheel 619 is rotatably connected to one side of the rectangular seat 615 through a bearing, and one side of the main gear wheel 619 is fixedly connected with one end of the third threaded rod 617;

[0055] The linkage 63 comprises a clamping block 631 and a clamping groove 632, a moving block 633 is fixedly connected to the bottom of the moving plate 613 and is slidably arranged in the rectangular hole 627, a main rod 634 is rotatably connected in the moving block 633 through a bearing, a secondary rod 635 is arranged on one side of the main rod 634, an intermediate piece 630 is arranged between the main rod 634 and the secondary rod 635, the clamping block 631 is fixedly installed on one end of the secondary rod 635, the clamping groove 632 is formed in one side of one of the belt pulleys 625, the clamping block 631 is fitted with the clamping groove 632, a third motor 636 is fixedly connected to one side of the moving block 633, and the output end of the third motor 636 is fixedly connected with one end of the main rod 634; a cross rod 637 is rotatably connected in the moving plate 613 through a bearing, a transmission belt 638 is sleeved on the main rod 634 and the cross rod 637, a worm 639 is fixedly connected to one end of the cross rod 637, two transmission rods 6310 are rotatably connected in the moving plate 613 through bearings, toothed belts 6311 are sleeved on both ends of the two transmission rods 6310, the toothed belts 6311 are meshedly connected with the main gear wheel 619, a worm wheel 6312 is fixedly connected to the outer circumference of one of the transmission rods 6310, and the worm wheel 6312 is meshedly connected with the worm 639;

[0056] The intermediate piece 630 comprises a hinged plate 6301, an inner groove 6302 is formed in one side of the secondary rod 635, an inner rod 6303 is fixedly connected with one side of the main rod 634 and is sleeved in the inner groove 6302, a plurality of hinged plates 6301 are arranged on the outer circumference of the inner rod 6303 and are hinged with the inner rod 6303, a torsional spring 6304 is fixedly installed at the hinge between the hinged plate 6301 and the inner rod 6303, a plurality of baffles 6305 are fixedly connected to the inner wall of the inner groove 6302, and the hinged plate 6301 is in contact with the baffle 6305;

[0057] Specifically, after the feeding conveyor 7 transports the workpiece onto the conveying belt 51, the second cylinder 612 controls the second piston rod 614 to move, and drives the moving plate 613 to move towards the moving frame 521. When the two second clamping plates 611 in the transverse clamping piece 61 move to the conveying belt 51, the workpiece is located between the two second clamping plates 611. When the moving plate 613 moves to one side of the moving frame 521, the clamping block 631 on one side of the moving plate 613 coincides with the clamping groove 632 on one side of the belt pulley 625. At this time, the third motor 636 drives the main rod 634 to rotate, thereby driving the inner rod 6303 to rotate in the inner groove 6302. When the hinged plate 6301 in the inner rod 6303 contacts the baffle 6305, the hinged plate 6301 drives the baffle 6305 to rotate, thereby driving the auxiliary rod 635 to rotate, and further driving the clamping block 631 and the belt pulley 625 to rotate, and further driving the connecting rod 628 to rotate, thereby driving the belt pulleys 625 on both sides of the moving frame 521 to rotate. Through the arrangement of the transmission belt 626, the other belt pulley 625 is driven to rotate. Through the threaded connection between the belt pulley 625 and the second threaded rod 624, the second threaded rod 624 is driven to rotate, thereby driving the first clamping plate 621 connected with the second threaded rod 624 to move. Through the arrangement of the connecting rod 628, the two first clamping plates 621 are driven to move towards each other. When the two first clamping plates 621 move to one side of the workpiece, the first clamping plate 621 cannot move, thereby preventing the belt pulley 625 and the auxiliary rod 635 connected with the belt pulley 625 from rotating. At this time, through the movable hinge between the hinged plate 6301 and the inner rod 6303, the hinged plate 6301 is driven to rotate, thereby preventing the auxiliary rod 635 from rotating, and the inner rod 6303 and the main rod 634 can continue to rotate.

[0058] When the main rod 634 rotates, the transmission belt 638 is driven to rotate, thereby driving the cross rod 637 to rotate. Through the meshing connection between the worm 639 at one end of the cross rod 637 and the worm wheel 6312, the worm wheel 6312 is driven to rotate, thereby driving the transmission rod 6310 to rotate, and further driving the tooth belt 6311 sleeved on the transmission rod 6310 to rotate. Through the meshing connection between the tooth belt 6311 and the main gear 619, the main gear 619 is driven to rotate, thereby driving the third threaded rod 617 to rotate. Through the threaded connection between the rectangular block 618 and the third threaded rod 617, and the sliding connection between the rectangular block 618 and the rectangular groove 616, the two second clamping plates 611 are driven to move relative to each other, thereby fixing the other two sides of the workpiece, and further positioning the workpiece. Embodiment five

[0059] Referring to Figures 1-12 The embodiment discloses a drilling process for nozzle pin hole machining, and the specific steps are as follows:

[0060] According to the distribution of the round holes on the workpiece, the positions of the plurality of drill bits 32 are adjusted, i.e. the positions between the plurality of drill bits 32 are adjusted by the adjusting member 33, then the position of the conveying belt 51 is adjusted by the moving member 52, so that the conveying belt 51 is located directly below the plurality of drill bits 32, after the positions of the drill bits 32 and the conveying belt 51 are adjusted, the workpiece is moved to the conveying belt 51 by the feeding conveying table, the conveying belt 51 rotates and makes the workpiece located below the drill bits 32, then the linkage member 63 operates and drives the transverse clamping member 61 to move to the conveying table direction, so that the transverse clamping member 61 moves to the top of the conveying table and the power transmission between the transverse clamping member 61 and the longitudinal clamping member 62, the linkage member drives the longitudinal clamping member 62 to operate at the same time, and drives the transverse clamping member 61 to operate, so that the workpiece is fixed between the transverse clamping member 61 and the longitudinal clamping member 62, then the control source 31 drives the transmission member 42 to operate, through the power transmission between the transmission member 42 and the adjusting member 33, the control source 31 drives the drill bits 32 to rotate, at the same time, drives the lifting device 4 to operate, so that the drill bits 32 move to the workpiece direction and drill the fixed workpiece.

[0061] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A drilling device comprising a support and a base, characterized in that: The support is provided with a drilling device and a lifting device, the base is provided with a transport device and a positioning device, and the two sides of the base are respectively provided with a feeding conveying platform and a discharging conveying platform; The drilling device includes a control source, a plurality of drill bits, and an adjusting member for adjusting the positions of the plurality of drill bits. The control source drives the adjusting member to operate and drives the plurality of drill bits to rotate. The lifting device includes a first threaded rod and a transmission member, and power is transmitted between the transmission member and the adjustment member, so that when the control source drives the adjustment member to operate, the transmission member is driven to operate, and the first threaded rod is driven to rotate, thereby driving the drill bit to rise and fall; The transport device includes a transport belt and a moving member for controlling the position of the transport belt on the base. When the moving member is in operation, the transport belt is driven to move so that the transport belt is located directly below the drill bit. The positioning device includes a transverse clamping member and a longitudinal clamping member, and a linkage member is provided between the transverse clamping member and the longitudinal clamping member so that when the longitudinal clamping member is in operation, the transverse clamping member is driven to operate synchronously; The cam is fixedly provided with a second gear, and the cam is fixedly provided with a gear train of the second end in the cam, and the cam is fixedly provided with a gear train of the second end in the cam, and the cam is fixedly provided with a gear train of the second end in the cam. The transmission gears are connected with the gear train by the spring, and the transmission gears are connected with the gear train by the spring, and the transmission gears are connected with the gear train by the spring. The middle part includes a hinge plate, an inner groove is opened on one side of the auxiliary rod, an inner rod is fixedly connected to one side of the main rod, the inner rod is sleeved in the inner groove, multiple hinge plates are arranged on the outer periphery of the inner rod and hinged to the inner rod, a torsion spring is fixedly installed at the hinge between the hinge plate and the inner rod, multiple baffles are fixedly connected to the inner wall of the inner groove, and the hinge plate is in contact with the baffle.

2. A drilling device according to claim 1, characterized in that: A mounting bracket is provided on one side of the support, the control source includes a first motor, the first motor is fixedly mounted on the top of the mounting bracket, the adjusting member includes a plurality of universal joints, a double row of guide grooves are provided around the bottom of the mounting bracket, a drill rod is fixedly mounted on the drill bit, a sleeve is provided on the outer periphery of the drill rod, the drill rod is rotatably arranged in the sleeve through a bearing, a connecting plate is fixedly connected to one side of the sleeve, a sliding groove is provided on one side of the connecting plate, a sliding pin is slidably provided in the sliding groove, the sliding pin is slidably arranged in the double row of guide grooves, one end of the universal joint is rotatably arranged in the mounting bracket through a bearing, and the other end of the universal joint is fixedly connected to the drill rod.

3. The drilling equipment according to claim 2, characterized in that: The adjusting member also includes a first gear and multiple second gears. A first rotating rod and multiple second rotating rods are rotatably connected in the mounting frame through bearings. The output end of the first motor is fixedly connected to one end of the first rotating rod. The first gear is fixedly installed on the first rotating rod. One end of the multiple second rotating rods is fixedly connected to one end of the universal joint. The second gear is fixedly installed on the second rotating rod. The first gear is meshed with the second gear.

4. The drilling equipment according to claim 3, characterized in that: The transmission member includes a third rotating rod and a fourth rotating rod, the third gear is fixedly mounted on the first rotating rod, the third rotating rod is rotatably mounted on the mounting frame through a bearing, the fourth rotating rod is fixedly mounted on the third rotating rod, the third gear is meshed with the fourth gear, the fourth rotating rod is rotatably mounted on the mounting frame through a bearing, one end of the fourth rotating rod is fixedly connected to one end of the first threaded rod, the fifth gear is fixedly mounted on the third rotating rod, the sixth gear is fixedly mounted on the fourth rotating rod, and the sixth gear is meshed with the fifth gear.

5. The drilling equipment according to claim 4, characterized in that: The transmission member also includes a guide rail and a guide block. The guide rail is installed on the top of one side of the support, and the guide block is fixedly installed on one side of the mounting frame. The guide block is slidably arranged on the guide rail. A support seat is fixedly installed on one side of the support. The bottom end of the first threaded rod is rotatably arranged on the support seat through a bearing, and the mounting frame is threadedly connected to the first threaded rod.

6. The drilling equipment according to claim 5, characterized in that: The movable part includes a movable frame, both sides of the movable frame are rotatably connected with rotating rollers through bearings, the conveyor belt is sleeved on the rotating rollers, a guide groove is provided on the base, and the movable frame is slidably arranged in the guide groove, and both sides of the movable frame are fixedly connected with cross plates, one side of the cross plate is fixedly connected with a second motor, the output end of the second motor is fixedly connected to one of the rotating rollers, and one side of the cross plate is fixedly connected with a first piston rod, one end of the first piston rod is assembled on a support, and a first cylinder is fixedly installed on the support, and the output end of the first cylinder is fixedly connected to one end of the first piston rod.

7. The drilling equipment according to claim 6, characterized in that: The two gears are connected along the longitudinal direction of the vehicle frame, and the two gears are connected along the longitudinal direction of the vehicle frame, and the two gears are connected along the longitudinal direction of the vehicle frame.

8. A drilling process for nozzle pin hole machining, characterized in that: Using a drilling device as described in any one of claims 1 to 7, the specific steps are: The positions of multiple drill bits are adjusted according to the distribution of circular holes on the workpiece, that is, the positions between the multiple drill bits are adjusted by the adjusting member, and then the position of the conveyor belt is adjusted by the moving member so that the conveyor belt is located directly under the multiple drill bits. After adjusting the positions of the drill bits and the conveyor belt, the feed conveyor drives the workpiece to move onto the conveyor belt, and the conveyor belt rotates and makes the workpiece located under the drill bit. Then the linkage member operates to drive the transverse clamping member to move toward the transport platform, so that the transverse clamping member moves to the top of the transport platform, and the transverse clamping member and the longitudinal clamping member are driven by the linkage member while the longitudinal clamping member operates. At the same time, the linkage member drives the transverse clamping member to operate, so that the workpiece is fixed between the transverse clamping member and the longitudinal clamping member. Then the transmission member is driven to operate by the control source. Through the setting of the power transmission between the transmission member and the adjusting member, the control source drives the drill bit to rotate and drives the lifting device to operate at the same time, so that the drill bit moves toward the workpiece and performs drilling processing on the fixed workpiece.

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