A positioning device for hub flange drilling processing

Abstract

The invention discloses a positioning device for hub flange drilling processing, which relates to the technical field of drilling equipment, comprising a base plate, a flange body and side plates symmetrically fixedly connected to both sides of the top of the base plate, the top ends of the side plates being fixedly connected to the top plate, and also comprising: a fixing block fixedly installed in the middle of the top of the base plate, the top of the fixing block being fixedly connected to a placing plate, a positioning mechanism being arranged on the inner side of the side plate, and a drilling mechanism being arranged on the bottom of the top plate; the positioning mechanism comprising symmetrically arranged mounting plates and screw rods, a motor being fixedly installed on the inner side of the side plate on one side; the drilling mechanism comprising an electric push rod and a lower plate, the bottom of the lower plate being fixedly connected to a fixing disk, which solves the problem that a plurality of screw rods need to be operated when fixing the flange, which is inconvenient to operate, reduces the positioning and clamping efficiency of the flange, and affects the drilling effect of the device.

Description

Technical Field

[0001] The invention relates to the technical field of drilling equipment, in particular to a positioning device used for hub flange drilling processing. Background Art

[0002] With the development of technology, car hub units have been widely used in cars, and the use of wheel hub bearing units is growing. One type of wheel hub bearing unit has a flange on the outer raceway for fixing the bearing. The bearing can be simply put on the axle and fixed with a nut, making the maintenance of the car easier. Drilling is required during the production process of the wheel hub flange.

[0003] For example, a drilling positioning device for flange processing with announcement number CN218518163U includes a bracket and a placement plate, a main bevel gear is movably connected to the bottom of the placement plate, a screw is movably connected inside the placement plate, a secondary bevel gear is arranged at the end of the screw, a screw nut is threadedly connected to the screw, and an arc-shaped positioning block is connected to the upper end of the screw nut. Under the meshing action of the main bevel gear and the secondary bevel gear, the screw nut drives the arc-shaped positioning block to approach or move away from the center at the same time, so as to clamp the flange, so that the flange is always in the center position each time it is clamped, and there is no need to position it again, thereby ensuring the accuracy of drilling. However, when the device fixes the top surface of the flange, it is necessary to operate multiple screws in sequence to drive the pressure plate to press the flange. There are many steps and it is inconvenient to operate, which reduces the positioning and clamping efficiency of the flange and affects the drilling effect of the device, which has certain limitations.

[0004] Therefore, a positioning device for hub flange drilling is proposed to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide a positioning device for hub flange drilling processing to solve the problem that multiple screws need to be operated when fixing the flange, which is inconvenient to operate, reduces the positioning and clamping efficiency of the flange, and affects the drilling effect of the device.

[0006] To achieve the above object, the present invention provides the following technical solution: a positioning device for hub flange drilling processing, comprising a bottom plate, a flange body and side plates symmetrically fixedly connected to both sides of the top of the bottom plate, wherein the top end of the side plates is fixedly connected to a top plate;

[0007] Also includes:

[0008] A fixed block is fixedly installed in the middle of the top of the bottom plate, the top of the fixed block is fixedly connected with a placement plate, the inner side of the side plate is provided with a positioning mechanism, and the bottom of the top plate is provided with a drilling mechanism;

[0009] The positioning mechanism comprises a symmetrically arranged mounting plate and a screw rod, wherein the mounting plate is located on the inner side of the two side plates, and the two ends of the mounting plate are respectively fixedly connected to the side plates on both sides, a motor 1 is fixedly installed on the inner side of one side plate, and the output end of the motor 1 is fixedly connected to one of the screw rods, a gear is fixedly connected to the outer side of the screw rod, and a rotating ring is rotatably connected to the outer side of the fixed block;

[0010] The top of the rotating ring is fixedly connected with a gear ring, and the gear ring is meshed with the gear. The outer side of the screw rod is threadedly connected with an L-shaped plate. An upper rod is installed above the screw rod, and the L-shaped plate is slidably connected to the upper rod. A positioning plate is fixedly connected to the side of the L-shaped plate away from the side plate. A cylindrical groove is opened in the middle of the placement plate, and the bottom end of the cylindrical groove passes through the top of the fixed block. The inner bottom surface of the cylindrical groove is fixedly connected with a spring 1, and the top end of the spring 1 is fixedly connected with a fixing column;

[0011] The top of the fixed column is connected with a conical platform in a snap-fitting manner, the bottom of the conical platform is connected with a pressure plate, U-shaped grooves are symmetrically provided on both sides of the fixed column, a U-shaped plate is slidably connected inside the U-shaped groove, a spring three is fixedly installed inside the U-shaped groove, the spring three is fixedly connected to the U-shaped plate, and a circular ring is fixedly connected to the inner side of the upper part of the columnar groove;

[0012] The drilling mechanism includes an electric push rod and a lower plate, the electric push rod is fixedly connected to the bottom surface of the top plate, the lower plate is fixedly installed at the bottom of the electric push rod, the bottom of the lower plate is fixedly connected to a fixed plate, a second motor is installed below the fixed plate, and the output end of the second motor is fixedly connected to the drilling rod part.

[0013] Preferably, the screw rods are arranged in an array, the front and rear two screw rods are rotatably connected to the mounting plate, and the screw rod on the right is rotatably connected to the side plate on the other side.

[0014] By adopting the above technical solution, a positioning mechanism is provided, which facilitates clamping the flange body around and fixing the top of the flange body at the same time, making the operation more convenient and improving the clamping efficiency and clamping effect.

[0015] Preferably, the outer side of the fixed block is symmetrically fixedly connected with limiting edges in upper and lower parts, the rotating ring is located between the upper and lower limiting edges, and the rotating ring is rotatably connected to the limiting edges.

[0016] By adopting the above technical solution, the motor drives one of the screws to rotate, the screw drives the gear to rotate, the gear drives the gear ring and the rotating ring to rotate, the rotating ring rotates and drives the gears at other positions to rotate, thereby causing the screws around to rotate.

[0017] Preferably, the number of the upper rods is the same as the screw rods, and their positions correspond one to one, the left and right upper rods are fixedly connected to the side plates, the front and rear upper rods are fixedly connected to the mounting plates, the positioning plates are arranged in an array, and the L-shaped plate abuts against the inclined surface of the conical table.

[0018] By adopting the above technical solution, the upper rod limits the L-shaped plate, so that the L-shaped plates on the surrounding sides are moved closer to the center.

[0019] Preferably, the conical platform is internally slidably connected with a slide rod, the bottom end of the slide rod is fixedly connected to a pressure plate, the pressure plate is annularly arranged, and a second spring is sleeved on the outer side of the slide rod, the top and bottom ends of the second spring are respectively fixedly connected to the conical platform and the pressure plate.

[0020] By adopting the above technical solution, the L-shaped plate will squeeze the top inclined surface of the conical platform, thereby driving the conical platform to move downward, the conical platform compresses spring 2, and drives the pressure plate to press the top of the flange body.

[0021] Preferably, an auxiliary plate is fixedly connected to the inner wall of one side of the U-shaped groove, one end of the spring three is fixedly connected to the auxiliary plate, and the other end of the spring three is fixedly connected to the U-shaped plate, and the upper and lower ends of the U-shaped plate are both located outside the fixed column.

[0022] By adopting the above technical solution, when the lower end of the U-shaped plate moves to below the bottom surface of the circular ring, the elastic force of spring three drives the U-shaped plate to pop out, so that the lower end of the U-shaped plate is stuck at the bottom of the circular ring, thereby facilitating the limiting fixation of the fixing column.

[0023] Preferably, an annular groove is provided at the bottom of the fixed plate, and a limiting rod is slidably connected inside the annular groove. The bottom end of the limiting rod is fixedly connected to a mounting box, and a threaded rod is rotatably connected inside the mounting box. One end of the threaded rod passes through the mounting box and is fixedly connected to a knob, and the internal thread of the knob is connected to a positioning bolt.

[0024] By adopting the above technical solution, the positioning bolt is pulled out and the knob is turned. The knob drives the threaded rod to rotate, so that the adjusting sleeve moves. The adjusting sleeve drives the connecting block and the motor 2 at the bottom to move, thereby adjusting the drilling position of the motor 2 and the drill rod.

[0025] Preferably, the outer side of the threaded rod is threadedly connected with an adjusting sleeve, a bottom groove is provided at the bottom of the installation box, a connecting block is fixedly connected to the bottom of the adjusting sleeve, the connecting block is slidably connected to the bottom groove, and the motor 2 is fixedly installed at the bottom of the connecting block.

[0026] By adopting the above technical solution, when the position of the adjusting sleeve is adjusted, the position of the connecting block can be driven to be adjusted, thereby changing the drilling position.

[0027] Preferably, fan-shaped grooves are symmetrically provided on the outer side of the fixing plate, and clamping bolts are slidably connected inside the fan-shaped grooves, and the clamping bolts are threadedly connected to the limiting rods.

[0028] By adopting the above technical solution, the clamping bolt is screwed outward to separate the clamping bolt from the limit rod, the installation box is pulled to drive the limit rod to slide, and the clamping bolt is slid again after adjustment, and the clamping bolt is screwed into the inside of the limit rod and pressed against the outside of the fixed plate to fix it, thereby facilitating the arc adjustment of the drilling position.

[0029] Compared with the prior art, the invention has the following beneficial effects: a positioning mechanism is provided, which facilitates clamping the flange body around and fixing the top of the flange body at the same time, making the operation more convenient and improving the clamping efficiency and clamping effect;

[0030] A positioning mechanism is provided, and the flange body is placed in the middle of the top of the placement plate so that the fixing column passes through the center hole of the flange body, and then the conical platform is clamped and installed on the top of the fixing column, and the motor 1 is started. The motor 1 drives one of the screws to rotate, and the screw drives the gear to rotate, and the gear drives the gear ring and the rotating ring to rotate. The limiting edge assists the stable rotation of the rotating ring, and the rotation of the rotating ring drives the gears in other positions to rotate, so that the screws around all rotate, and the upper rod limits the L-shaped plate so that the L-shaped plates around are close to the center, and the L-shaped plate drives the positioning plate to clamp the flange body around, and the L-shaped plate will squeeze the top inclined surface of the conical platform, thereby driving the conical platform to move down, and the conical platform compresses the spring 2, and drives the pressure plate to press the top of the flange body, and the descent of the conical platform will also drive the fixing plate to move down. The fixed column is pressed down, the fixed column slides into the cylindrical groove and compresses spring 1, the fixed column drives the U-shaped plate to move downward, and the lower end of the U-shaped plate is squeezed by the inner wall of the flange body and the circular ring and is in a contracted state. When the lower end of the U-shaped plate moves to a position lower than the bottom surface of the circular ring, the elastic force of spring 3 drives the U-shaped plate to pop out, so that the lower end of the U-shaped plate is stuck at the bottom of the circular ring, thereby facilitating the limiting fixation of the fixed column, improving the stability of the top pressure plate pressing the flange body, so that it is convenient to clamp the flange body around and fix the top of the flange body at the same time, which is more convenient to operate, improves the clamping efficiency and clamping effect, and solves the problem that multiple screws need to be operated when fixing the flange, which is inconvenient to operate, reduces the positioning and clamping efficiency of the flange, and affects the drilling effect of the device;

[0031] A drilling mechanism is provided, and the drill rod part is driven to rotate by motor 2, so that multiple drill rod parts can drill holes on the top of the flange body. By pulling out the positioning bolt and turning the knob, the knob drives the threaded rod to rotate, so that the adjusting sleeve moves, and the adjusting sleeve drives the connecting block and the motor 2 at the bottom to move, so as to adjust the drilling position of the motor 2 and the drill rod part. By screwing out the clamping bolt, the clamping bolt is separated from the limit rod, and the installation box is pulled, and the installation box drives the limit rod to slide inside the annular groove. After adjustment, the clamping bolt is slid again, and the clamping bolt is screwed into the inside of the limit rod and pressed on the outside of the fixed plate to fix it, so as to facilitate the arc adjustment of the drilling position and improve the flexibility and applicability of drilling. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the three-dimensional overall structure of the present invention;

[0033] Figure 2 This is a schematic diagram of the installation structure of the limiting edge of the present invention;

[0034] Figure 3 For the present invention Figure 2 The enlarged structural diagram at A in the middle;

[0035] Figure 4 For the present invention Figure 2 The enlarged structural diagram at B in the middle;

[0036] Figure 5 This is a schematic diagram of the cross-sectional structure of the fixing block of the present invention;

[0037] Figure 6 For the present invention Figure 5 The enlarged structural diagram at C in the middle;

[0038] Figure 7 This is a schematic diagram of the U-shaped plate structure of the present invention;

[0039] Figure 8 For the present invention Figure 7 The enlarged structural diagram at D in the middle;

[0040] Fig. 9 It is a schematic diagram of the top plate structure of the present invention;

[0041] Fig.10 It is a schematic diagram of the cross-sectional structure of the fixing disk of the present invention;

[0042] Fig.11 For the present invention Fig.10 Enlarged structural diagram at E in the middle.

[0043] In the figure: 1, bottom plate; 2, side plate; 3, top plate; 4, fixing block; 5, flange body; 6, placement plate; 7, positioning mechanism; 71, mounting plate; 72, screw rod; 73, motor 1; 74, gear; 75, limiting edge; 76, rotating ring; 77, gear ring; 78, L-shaped plate; 79, upper rod; 710, positioning plate; 711, cylindrical groove; 712, spring 1; 713, fixing column; 714, conical platform; 715, sliding rod; 716, pressure plate; 717, spring 2; 718, U-shaped groove; 719, U-shaped plate; 720, auxiliary plate; 721, spring three; 722, ring; 8, drilling mechanism; 81, electric push rod; 82, lower plate; 83, fixed plate; 84, annular groove; 85, limit rod; 86, installation box; 87, threaded rod; 88, knob; 89, positioning bolt; 810, adjusting sleeve; 811, bottom groove; 812, connecting block; 813, motor two; 814, drill rod part; 815, fan-shaped groove; 816, clamping bolt. DETAILED DESCRIPTION

[0044] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0045] See also Figure 1-Figure 11 The present invention provides a technical solution: a positioning device for hub flange drilling processing, comprising a base plate 1, a flange body 5 and side plates 2 symmetrically fixedly connected to both sides of the top of the base plate 1, and a top plate 3 is fixedly connected to the top of the side plate 2.

[0046] The fixing block 4 is fixedly installed in the middle of the top of the bottom plate 1 , and the top of the fixing block 4 is fixedly connected with a placement plate 6 .

[0047] A positioning mechanism 7 is provided on the inner side of the side panel 2, and the positioning mechanism 7 includes a symmetrically arranged mounting plate 71 and a screw rod 72. The mounting plate 71 is located on the inner side of the two side panels 2, and the two ends of the mounting plate 71 are respectively fixedly connected to the side panels 2 on both sides. A motor 73 is fixedly installed on the inner side of one side panel 2, and the output end of the motor 73 is fixedly connected to a screw rod 72. A gear 74 is fixedly connected to the outer side of the screw rod 72, and a rotating ring 76 is rotatably connected to the outer side of the fixed block 4.

[0048] The screw rods 72 are arranged in an array, the front and rear screw rods 72 are rotatably connected to the mounting plate 71, the right screw rod 72 is rotatably connected to the other side plate 2, the outer side of the fixed block 4 is symmetrically fixedly connected to the limit edge 75, the rotating ring 76 is located between the upper and lower limit edges 75, and the rotating ring 76 is rotatably connected to the limit edge 75.

[0049] A gear ring 77 is fixedly connected to the top of the rotating ring 76, and the gear ring 77 is meshed with the gear 74. An L-shaped plate 78 is threadedly connected to the outer side of the screw rod 72. An upper rod 79 is installed above the screw rod 72. The L-shaped plate 78 is slidably connected to the upper rod 79. A positioning plate 710 is fixedly connected to the side of the L-shaped plate 78 away from the side plate 2. A cylindrical groove 711 is opened in the middle of the placement plate 6. The bottom end of the cylindrical groove 711 passes through the top of the fixed block 4. The inner bottom surface of the cylindrical groove 711 is fixedly connected to a spring 712, and the top of the spring 712 is fixedly connected to a fixing column 713.

[0050] The top of the fixed column 713 is snap-connected with a conical platform 714, the bottom of the conical platform 714 is connected with a pressure plate 716, U-shaped grooves 718 are symmetrically provided on both sides of the fixed column 713, a U-shaped plate 719 is slidably connected inside the U-shaped groove 718, a spring three 721 is fixedly installed inside the U-shaped groove 718, the spring three 721 is fixedly connected to the U-shaped plate 719, and a circular ring 722 is fixedly connected to the upper inner side of the columnar groove 711.

[0051] The number of upper rods 79 is the same as that of the screw rods 72, and their positions correspond one to one. The left and right upper rods 79 are fixedly connected to the side panels 2, and the front and rear upper rods 79 are fixedly connected to the mounting plate 71. The positioning plate 710 is arranged in an array, and the L-shaped plate 78 abuts against the inclined surface of the conical platform 714.

[0052] The conical platform 714 is internally slidably connected with a slide rod 715, the bottom end of which is fixedly connected to a pressure plate 716. The pressure plate 716 is annularly arranged, and a spring 717 is sleeved on the outer side of the slide rod 715. The top and bottom ends of the spring 717 are fixedly connected to the conical platform 714 and the pressure plate 716 respectively.

[0053] An auxiliary plate 720 is fixedly connected to the inner wall of one side of the U-shaped groove 718, one end of spring three 721 is fixedly connected to the auxiliary plate 720, and the other end of spring three 721 is fixedly connected to the U-shaped plate 719, and the upper and lower ends of the U-shaped plate 719 are both located outside the fixed column 713.

[0054] Embodiment 1: Figure 1-Figure 8As shown, a positioning mechanism 7 is provided, and the flange body 5 is placed in the middle of the top of the placement plate 6 so that the fixing column 713 passes through the center hole of the flange body 5, and then the conical platform 714 is snap-fitted and installed on the top of the fixing column 713, and the motor 73 is started. The motor 73 drives one of the screw rods 72 to rotate, and the screw rod 72 drives the gear 74 to rotate, and the gear 74 drives the gear ring 77 and the rotating ring 76 to rotate. The limiting edge 75 assists the stable rotation of the rotating ring 76, and the rotation of the rotating ring 76 drives the gears 74 at other positions to rotate, so that the screw rods 72 on all sides rotate, and the upper rod 79 limits the L-shaped plate 78, so that the L-shaped plates 78 on all sides are close to the center, and the L-shaped plates 78 drive the positioning plate 710 to clamp the flange body 5 on all sides.

[0055] The L-shaped plate 78 will squeeze the top inclined surface of the conical platform 714, thereby driving the conical platform 714 to move downward, the conical platform 714 compresses the second spring 717, and drives the pressure plate 716 to press the top of the flange body 5. The descent of the conical platform 714 will also drive the fixed column 713 to press downward, the fixed column 713 slides into the column groove 711 and compresses the first spring 712, and the fixed column 713 drives the U-shaped plate 719 to move downward, and the lower end of the U-shaped plate 719 is squeezed by the inner wall of the flange body 5 and the ring 722, and is in When the lower end of the U-shaped plate 719 moves to a position lower than the bottom surface of the circular ring 722 in the contracted state, the elastic force of the spring three 721 drives the U-shaped plate 719 to pop out, so that the lower end of the U-shaped plate 719 is stuck at the bottom of the circular ring 722, thereby facilitating the limiting fixation of the fixing column 713, thereby improving the stability of the top pressure plate 716 pressing the flange body 5, thereby facilitating the clamping of the flange body 5 around and fixing the top of the flange body 5, making the operation more convenient and improving the clamping efficiency and clamping effect.

[0056] A drilling mechanism 8 is provided at the bottom of the top plate 3, and the drilling mechanism 8 includes an electric push rod 81 and a lower plate 82. The electric push rod 81 is fixedly connected to the bottom surface of the top plate 3, and the lower plate 82 is fixedly installed at the bottom of the electric push rod 81. A fixed plate 83 is fixedly connected to the bottom of the lower plate 82, and a motor 813 is installed below the fixed plate 83. The output end of the motor 813 is fixedly connected to the drilling rod part 814.

[0057] An annular groove 84 is provided at the bottom of the fixed plate 83, and a limiting rod 85 is slidably connected inside the annular groove 84. The bottom end of the limiting rod 85 is fixedly connected to a mounting box 86. A threaded rod 87 is rotatably connected inside the mounting box 86. One end of the threaded rod 87 passes through the mounting box 86 and is fixedly connected to a knob 88. The knob 88 is threadedly connected to a positioning bolt 89.

[0058] The outer side of the threaded rod 87 is threadedly connected with an adjusting sleeve 810, and a bottom groove 811 is opened at the bottom of the installation box 86. The bottom of the adjusting sleeve 810 is fixedly connected with a connecting block 812, and the connecting block 812 is slidably connected to the bottom groove 811. Motor 2 813 is fixedly installed at the bottom of the connecting block 812.

[0059] The outer side of the fixing plate 83 is symmetrically provided with a fan-shaped groove 815 , and the inside of the fan-shaped groove 815 is slidably connected with a clamping bolt 816 , and the clamping bolt 816 is threadedly connected to the limiting rod 85 .

[0060] Embodiment 2: Figure 9-11 As shown, a drilling mechanism 8 is provided, and the drill rod part 814 is driven to rotate by the motor 2 813, so that multiple drill rod parts 814 can drill holes on the top of the flange body 5. By pulling out the positioning bolt 89 and turning the knob 88, the knob 88 drives the threaded rod 87 to rotate, so that the adjusting sleeve 810 moves, and the adjusting sleeve 810 drives the connecting block 812 and the motor 2 813 at the bottom to move, so as to adjust the drilling position of the motor 2 813 and the drill rod part 814. By screwing out the clamping bolt 816 outward, the clamping bolt 816 is separated from the limit rod 85, and the installation box 86 is pulled. The installation box 86 drives the limit rod 85 to slide inside the annular groove 84. After adjustment, the clamping bolt 816 is slid again, and the clamping bolt 816 is screwed into the inside of the limit rod 85 and pressed on the outside of the fixing plate 83 to fix it, so as to facilitate the arc adjustment of the drilling position and improve the flexibility and applicability of drilling.

[0061] Working principle: When using the device, first, Figure 1-Figure 11 As shown, the flange body 5 is placed in the middle of the top of the placement plate 6 so that the fixing column 713 passes through the center hole of the flange body 5, and then the conical platform 714 is snap-fitted and installed on the top of 713, and the motor 73 is started. The motor 73 drives one of the screw rods 72 to rotate, and the screw rod 72 drives the gear 74 to rotate, and the gear 74 drives the gear ring 77 and the rotating ring 76 to rotate. The limiting edge 75 assists the stable rotation of the rotating ring 76, and the rotation of the rotating ring 76 drives the gears 74 at other positions to rotate, so that the screw rods 72 on all sides rotate, and the upper rod 79 limits the L-shaped plate 78 so that the L-shaped plates 78 on all sides approach the center, and the L-shaped plate 78 drives the positioning plate 710 to clamp the flange body 5 on all sides.

[0062] The L-shaped plate 78 will squeeze the top inclined surface of the conical platform 714, thereby driving the conical platform 714 to move downward, the conical platform 714 compresses the spring 2 717, and drives the pressure plate 716 to press the top of the flange body 5. The conical platform 714 will also drive the fixed column 713 to press downward, the fixed column 713 slides into the cylindrical groove 711 and compresses the spring 1 712, and the fixed column 713 drives the U-shaped plate 719 to move downward. The lower end of the U-shaped plate 719 is pressed by the inner wall and the circular wall of the flange body 5. The ring 722 is squeezed and is in a contracted state. When the lower end of the U-shaped plate 719 moves to a position lower than the bottom surface of the circular ring 722, the elastic force of the spring three 721 drives the U-shaped plate 719 to pop out, so that the lower end of the U-shaped plate 719 is stuck at the bottom of the circular ring 722, thereby facilitating the limiting fixation of the fixing column 713, improving the stability of the top pressure plate 716 pressing the flange body 5, thereby facilitating the clamping of the flange body 5 around and fixing the top of the flange body 5.

[0063] The motor 813 is used to drive the drill rod part 814 to rotate, so that multiple drill rod parts 814 can drill holes on the top of the flange body 5. By pulling out the positioning bolt 89 and turning the knob 88, the knob 88 drives the threaded rod 87 to rotate, so that the adjusting sleeve 810 moves, and the adjusting sleeve 810 drives the connecting block 812 and the motor 813 at the bottom to move, so as to adjust the drilling position of the motor 813 and the drill rod part 814. By screwing out the clamping bolt 816, the clamping bolt 816 is separated from the limit rod 85, and the installation box 86 is pulled. The installation box 86 drives the limit rod 85 to slide inside the annular groove 84. After adjustment, the clamping bolt 816 is slid again, and the clamping bolt 816 is screwed into the inside of the limit rod 85 and pressed on the outside of the fixing plate 83 to fix it, so as to facilitate the arc adjustment of the drilling position and improve the flexibility and applicability of drilling.

[0064] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0065] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A positioning device for hub flange drilling, comprising a bottom plate (1), a flange body (5), and side plates (2) symmetrically fixedly connected to both sides of the top of the bottom plate (1), wherein the top of the side plate (2) is fixedly connected to a top plate (3); It is characterized in that Also includes: A fixed block (4) is fixedly mounted in the middle of the top of the bottom plate (1); a placement plate (6) is fixedly connected to the top of the fixed block (4); a positioning mechanism (7) is provided on the inner side of the side plate (2); and a drilling mechanism (8) is provided on the bottom of the top plate (3); The positioning mechanism (7) comprises a symmetrically arranged mounting plate (71) and a screw rod (72), wherein the mounting plate (71) is located on the inner side of the two side plates (2), and the two ends of the mounting plate (71) are respectively fixedly connected to the side plates (2) on both sides, and a motor (73) is fixedly installed on the inner side of one side of the side plate (2), and the output end of the motor (73) is fixedly connected to one of the screw rods (72), and the outer side of the screw rod (72) is fixedly connected to a gear (74), and the outer side of the fixed block (4) is rotatably connected to a rotating ring (76); The top of the rotating ring (76) is fixedly connected with a gear ring (77), and the gear ring (77) is meshed with the gear (74). The outer side of the screw rod (72) is threadedly connected with an L-shaped plate (78). An upper rod (79) is installed above the screw rod (72), and the L-shaped plate (78) is slidably connected to the upper rod (79). A positioning plate (710) is fixedly connected to the side of the L-shaped plate (78) away from the side plate (2). A cylindrical groove (711) is opened in the middle of the placement plate (6), and the bottom end of the cylindrical groove (711) passes through the top of the fixed block (4). The inner bottom surface of the cylindrical groove (711) is fixedly connected with a spring 1 (712), and the top end of the spring 1 (712) is fixedly connected with a fixing column (713); The top of the fixed column (713) is snap-connected with a conical platform (714), the bottom of the conical platform (714) is connected with a pressure plate (716), U-shaped grooves (718) are symmetrically provided on both sides of the fixed column (713), a U-shaped plate (719) is slidably connected inside the U-shaped groove (718), a spring three (721) is fixedly installed inside the U-shaped groove (718), the spring three (721) is fixedly connected to the U-shaped plate (719), and a circular ring (722) is fixedly connected to the inner side of the upper part of the columnar groove (711); The conical platform (714) is internally slidably connected with a slide rod (715), the bottom end of the slide rod (715) is fixedly connected with a pressure plate (716), the pressure plate (716) is annularly arranged, the outer side of the slide rod (715) is sleeved with a second spring (717), the top and bottom ends of the second spring (717) are respectively fixedly connected with the conical platform (714) and the pressure plate (716); An auxiliary plate (720) is fixedly connected to an inner wall of one side of the U-shaped groove (718), one end of the spring three (721) is fixedly connected to the auxiliary plate (720), and the other end of the spring three (721) is fixedly connected to the U-shaped plate (719), and the upper and lower ends of the U-shaped plate (719) are both located outside the fixed column (713); The drilling mechanism (8) comprises an electric push rod (81) and a lower plate (82), wherein the electric push rod (81) is fixedly connected to the bottom surface of the top plate (3), and the lower plate (82) is fixedly installed at the bottom of the electric push rod (81), and a fixed plate (83) is fixedly connected to the bottom of the lower plate (82), and a second motor (813) is installed below the fixed plate (83), and the output end of the second motor (813) is fixedly connected to a drilling rod part (814).

2. A positioning device for hub flange drilling according to claim 1, characterized in that: The screw rods (72) are arranged in an array, the front and rear screw rods (72) are rotatably connected to the mounting plate (71), and the screw rod (72) on the right is rotatably connected to the side plate (2) on the other side.

3. The positioning device for hub flange drilling according to claim 1, characterized in that: The outer side of the fixed block (4) is symmetrically fixedly connected to a limiting edge (75) in an upper and lower manner, the rotating ring (76) is located between the upper and lower limiting edges (75), and the rotating ring (76) is rotatably connected to the limiting edge (75).

4. The positioning device for hub flange drilling according to claim 1, characterized in that: The number of the upper rods (79) is the same as that of the screw rods (72), and their positions correspond one to one. The left and right upper rods (79) are fixedly connected to the side plates (2), and the front and rear upper rods (79) are fixedly connected to the mounting plate (71). The positioning plates (710) are arranged in an array, and the L-shaped plate (78) abuts against the inclined surface of the conical platform (714).

5. The positioning device for hub flange drilling according to claim 1, characterized in that: An annular groove (84) is provided at the bottom of the fixing plate (83), a limiting rod (85) is slidably connected inside the annular groove (84), a mounting box (86) is fixedly connected to the bottom end of the limiting rod (85), a threaded rod (87) is rotatably connected inside the mounting box (86), one end of the threaded rod (87) passes through the mounting box (86) and is fixedly connected to a knob (88), and a positioning bolt (89) is threadedly connected inside the knob (88).

6. A positioning device for hub flange drilling according to claim 5, characterized in that: The outer side of the threaded rod (87) is threadedly connected with an adjusting sleeve (810), a bottom groove (811) is provided at the bottom of the installation box (86), a connecting block (812) is fixedly connected to the bottom of the adjusting sleeve (810), the connecting block (812) is slidably connected to the bottom groove (811), and the second motor (813) is fixedly installed at the bottom of the connecting block (812).

7. A positioning device for hub flange drilling according to claim 6, characterized in that: The outer side of the fixing plate (83) is symmetrically provided with a fan-shaped groove (815), the interior of the fan-shaped groove (815) is slidably connected with a clamping bolt (816), and the clamping bolt (816) is threadedly connected to the limiting rod (85).

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