Continuous drilling tool for inserted hob drill bit

Abstract

The utility model relates to the technical field of inserted-tooth hob drill bit drilling tools, in particular to an inserted-tooth hob drill bit continuous drilling tool which comprises a three-jaw chuck, a positioning pin and a mounting plate and further comprises a bottom plate, an inserted-tooth hob drill bit continuous drilling tool body and an inserted-tooth hob drill bit continuous drilling tool body, and the mounting plate can slide on the upper side of the bottom plate; a supporting plate A is rotationally arranged on the outer side of the three-jaw chuck, the supporting plate A can be rotationally arranged on the inner side of the supporting frame A, and the supporting frame A is fixedly connected with the upper side of the mounting plate; a supporting ring is rotationally arranged on the outer side of the supporting plate B, a moving plate is arranged on the lower side of the supporting ring, and the moving plate is slidably connected with the upper side of the mounting plate; two electric lead screw slide rails A; a clamping rotation unit; and moving the adjusting unit. By arranging the three-jaw chuck, the positioning pin, the mounting plate, the bottom plate, the moving plate, the clamping rotating unit and the moving adjusting unit, tooth holders in inserted tooth hob drill bits of the same size can be automatically clamped and positioned, and the machining efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of drilling fixtures for toothed hob drill bits, and in particular to a continuous drilling fixture for toothed hob drill bits. Background Technology

[0002] Toothed hobbing drill bits are tools specifically designed for drilling holes in hard materials such as rock and concrete. Their key feature is that the cutting portion consists of carbide teeth embedded in the drill body, exhibiting high hardness, high wear resistance, and high heat resistance, enabling them to play a crucial role in high-precision and high-efficiency drilling operations.

[0003] During the machining process, the toothed hob is drilled by drilling a hole in the tooth seat of the hob, and then the corresponding teeth are installed inside the drilled hole.

[0004] Next, drilling is performed on the tooth holder of the toothed hob. This is done by mounting the tooth holder in a corresponding fixture, ensuring its upper surface is horizontal. However, different fixtures are typically required for tooth holders of different sizes, affecting machining efficiency. Therefore, we propose a continuous drilling fixture for toothed hobs to solve this problem. Utility Model Content

[0005] The purpose of this invention is to solve the problem that in the existing technology, when drilling the tooth seat of a toothed hob, it is installed in a corresponding fixture to make the upper surface of the tooth seat horizontal. However, different fixtures are usually required for tooth seats of different sizes, which affects the processing efficiency. Therefore, this invention proposes a continuous drilling fixture for toothed hobs.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A continuous drilling fixture for a toothed hob drill bit is designed, comprising a three-jaw chuck, a locating pin, and a mounting plate. The three-jaw chuck and the locating pin are located on the upper side of the mounting plate, with the three-jaw chuck located to the right of the locating pin. The fixture also includes:

[0008] The mounting plate is slidable on the upper side of the base plate;

[0009] A support frame, with an A support plate rotatably mounted on the outer side of the three-jaw chuck, the A support plate being rotatable on the inner side of the A support frame, and the A support frame being fixedly connected to the upper side of the mounting plate;

[0010] B support plate, the B support plate is located to the left of the positioning pin, the B support plate has a support ring rotating on its outer side, and a movable plate is provided on the lower side of the support ring, the movable plate is slidably connected to the upper side of the mounting plate;

[0011] Two A-type electric lead screw slide rails are provided on the upper side of the base plate. The A-type electric lead screw slide rails are installed inside the A-type mounting grooves. The lower side of the mounting plate is connected to the sliding end of the A-type electric lead screw slide rails. The A-type electric lead screw slide rails are connected to the power supply and controller through wires.

[0012] A clamping and rotating unit is located between the positioning pin and the B support plate;

[0013] A movable adjustment unit is located between the B support plate and the movable plate.

[0014] Preferably, a protective cover is installed on the outer side of the base plate.

[0015] By adopting the above technical solutions, the protective cover can protect the processing area, reduce the probability of iron filings being scattered during processing, and improve the safety of the equipment.

[0016] Preferably, the clamping and rotating unit includes an A electric push rod and an A motor. A rotating hole is provided on one side of the B support plate, and a guide cylinder rotates inside the rotating hole. A connecting shaft slides inside the guide cylinder. An mounting hole is provided on the right side of the connecting shaft, and a positioning pin can be installed inside the mounting hole. An A limiting plate is provided on the left side of the guide cylinder, and the A limiting plate is connected to the left side of the connecting shaft. A connecting ring is provided between the A limiting plate and the B support plate, and the connecting ring is connected to the outside of the guide cylinder and rotatably connected to the B support plate. The A electric push rod is mounted on the outside of the guide cylinder. The device is equipped with a positioning plate, which is connected to the left side of the connecting ring. The shaft end of the A electric push rod is connected to the A limiting plate. The A limiting plate has four positioning grooves on its outer side, and the A positioning block slides inside the positioning groove. The A positioning block is connected to the connecting ring and the guide cylinder. The A motor is installed at the front left side of the B support plate. A bevel gear meshes with the outer side of the connecting ring through teeth. The bevel gear is installed at the shaft end of the A motor. The A motor and the A electric push rod are connected to the power supply and controller through wires. A positioning part is provided between the B support plate and the connecting ring.

[0017] By adopting the above technical solution, the clamping and rotating unit can work with the three-jaw chuck to position and clamp the tooth holder on the toothed hob drill bit, and allow the tooth holder to rotate automatically, thereby improving processing efficiency.

[0018] Preferably, the positioning part includes a B electric push rod, a positioning ring is provided on the left side of the connecting ring, a B positioning block is engaged with the outside of the positioning ring by teeth, the B electric push rod is installed on the left rear end of the B support plate, the B positioning block is connected to the shaft end of the B electric push rod, the positioning plate is connected to the inner side of the positioning ring, and the B electric push rod is connected to the power supply and the controller through wires.

[0019] By adopting the above technical solution, the positioning unit can position the positioning pin, preventing it from rotating and improving the stability of the device.

[0020] Preferably, a limiting block is installed on the right side of the connecting shaft. The limiting block has a through hole and two limiting grooves on one side. The positioning pin passes through the through hole, and a positioning frame slides inside the limiting groove. The positioning frame is connected to the B support plate, and the limiting block can slide inside the positioning frame.

[0021] By adopting the above technical solution, the positioning frame can limit and guide the positioning pin through the limiting block, making the movement of the positioning pin more stable.

[0022] Preferably, the movable adjustment unit includes two B-type electric lead screw slide rails and two C-type electric lead screw slide rails. B-type support frames slide at both the front and rear ends of the outer side of the support ring. The B-type support frames are connected to the upper side of the movable plate. The upper side of the mounting plate has two B-type mounting slots. The B-type electric lead screw slide rails are installed inside the B-type mounting slots. The lower side of the movable plate is connected to the moving end of the B-type electric lead screw slide rail. The C-type electric lead screw slide rails are installed on one side of the B-type support frames. The support ring is connected to the moving end of the C-type electric lead screw slide rail. Both the B-type and C-type electric lead screw slide rails are connected to a power supply and a controller via wires.

[0023] By adopting the above technical solution, the moving adjustment unit can adjust the position and height of the B support plate, and cooperate with the three-jaw chuck to clamp and position the tooth seat of the toothed hob drill bit of different sizes, thereby improving the applicability of the device.

[0024] The continuous drilling fixture for toothed hob drill bits proposed in this utility model has the following advantages:

[0025] 1. By setting up a three-jaw chuck, positioning pin, mounting plate, base plate, moving plate, clamping rotation unit, and moving adjustment unit, the tooth holder of the same size toothed hob drill bit can be automatically clamped and positioned, improving processing efficiency.

[0026] 2. By setting up a clamping and rotating unit, the tooth holder in the toothed hob drill bit can be automatically rotated, which is beneficial to processing and improves processing efficiency. Attached Figure Description

[0027] Figure 1 This is a front three-dimensional structural diagram of a continuous drilling fixture for a toothed hob drill bit proposed in this utility model;

[0028] Figure 2 The present utility model proposes Figure 1 A magnified three-dimensional structural diagram of a portion of area A in the middle;

[0029] Figure 3This is a left-side three-dimensional structural diagram of a continuous drilling fixture for a toothed hob drill bit proposed in this utility model.

[0030] Figure 4 The present utility model proposes Figure 3 A magnified three-dimensional structural diagram of a portion of area B in the middle section;

[0031] Figure 5 This is a schematic diagram of the upper three-dimensional structure of a continuous drilling fixture for a toothed hob drill bit proposed in this utility model.

[0032] Figure 6 The present utility model proposes Figure 5 A magnified three-dimensional structural diagram of a portion of the central C region.

[0033] In the diagram: 1. Three-jaw chuck; 2. Positioning pin; 3. Mounting plate; 4. Base plate; 5. A support frame; 6. B support plate; 7. A electric lead screw slide rail; 8. Clamping and rotating unit; 81. A electric push rod; 82. A motor; 83. Positioning part; 831. B electric push rod; 832. Positioning ring; 833. B positioning block; 84. Guide cylinder; 85. Connecting shaft; 86. A limit plate; 87. Connecting ring; 88. Positioning plate; 89. A positioning block; 810. Bevel gear; 811. Limit block; 813. Positioning frame; 9. Moving and adjusting unit; 91. B electric lead screw slide rail; 92. C electric lead screw slide rail; 93. B support frame; 10. A support plate; 11. Support ring; 12. Moving plate; 13. Protective cover. Detailed Implementation

[0034] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0035] Reference Figure 1-6 A continuous drilling fixture for toothed hobbing drill bits includes a three-jaw chuck 1, a positioning pin 2, and a mounting plate 3. The three-jaw chuck 1 and the positioning pin 2 are located on the upper side of the mounting plate 3 and the three-jaw chuck 1 is located on the right side of the positioning pin 2. It also includes: a base plate 4, an A support frame 5, a B support plate 6, two A electric lead screw slide rails 7, a clamping and rotating unit 8, and a moving and adjusting unit 9.

[0036] The three-jaw chuck 1 has an A-support plate 10 rotating on its outer side. The A-support plate 10 can rotate inside the A-support frame 5. The A-support frame 5 is fixedly connected to the upper side of the mounting plate 3. The three-jaw chuck 1 can clamp the large end of the tooth seat on the toothed hob drill bit. The three-jaw chuck clamp uses three adjustable jaws to clamp the tooth seat, preventing the tooth seat from rotating during drilling. Its advantages are uniform clamping force and convenient operation. A vise-type clamp can also be used for clamping as needed.

[0037] B support plate 6 is located to the left of positioning pin 2. A support ring 11 is rotatably mounted on the outside of B support plate 6. A movable plate 12 is provided on the lower side of the support ring 11. Mounting plate 3 can slide on the upper side of base plate 4. A protective cover 13 is installed on the outer side of base plate 4. The protective cover 13 can protect the processing area, reduce the probability of iron filings generated during processing being scattered, and improve the safety of the equipment. The movable plate 12 is slidably connected to the upper side of mounting plate 3.

[0038] The movable adjustment unit 9 is located between the B support plate 6 and the movable plate 12. The movable adjustment unit 9 includes two B electric screw slide rails 91 and two C electric screw slide rails 92. B support frames 93 slide at both the front and rear ends of the outer side of the support ring 11. The B support frames 93 are connected to the upper side of the movable plate 12. The upper side of the mounting plate 3 has two B mounting slots. The B electric screw slide rails 91 are installed inside the B mounting slots. The lower side of the movable plate 12 is connected to the upper movable end of the B electric screw slide rails 91. The C electric screw slide rails 92 are installed on one side of the B support frames 93. The support ring 11 is connected to the upper movable end of the C electric screw slide rails 92. The B electric screw slide rails 91 and C electric screw slide rails 92... All are connected to the power supply and controller via wires. The C electric lead screw slide rail 92 can move the moving plate 12 on the base plate 4. The B electric lead screw slide rail 91 moves the B support plate 6 up and down in the B support frame 93 via the support ring 11. At the same time, the B support frame 93 can move the B support plate 6 together with the moving plate 12 via the support ring 11, realizing automatic adjustment of the height and position of the B support plate 6. With the help of the three-jaw chuck 1 and the clamping and rotating unit 8, it can clamp and position the tooth seat of the toothed hob drill bit of different sizes, and keep its upper surface in a horizontal state, and perform drilling, which improves the applicability, processing stability and processing quality of the device.

[0039] The clamping and rotating unit 8 is located between the positioning pin 2 and the B support plate 6. The clamping and rotating unit 8 includes an A electric push rod 81 and an A motor 82. The B support plate 6 has a rotating hole on one side, and a guide cylinder 84 rotates inside the rotating hole. A connecting shaft 85 slides inside the guide cylinder 84. The right side of the connecting shaft 85 has an installation hole, and the positioning pin 2 can be installed inside the installation hole. The left side of the guide cylinder 84 has an A limiting plate 86, which is connected to the left side of the connecting shaft 85. The outer side of the A limiting plate 86 has four positioning grooves, and an A positioning block 89 slides inside the positioning grooves. The A positioning block 89 plays a role in positioning and connecting the A limiting plate 86. When the B support plate 6 is adjusted, the connecting shaft 85, carrying the positioning pin 2, slides into the connecting hole of the tooth seat on the toothed hob drill bit. With the help of the three-jaw chuck 1, the clamping and positioning of the tooth seat in the toothed hob drill bit is realized.

[0040] A connecting ring 87 is provided between the A limiting plate 86 and the B support plate 6. The connecting ring 87 is connected to the outside of the guide cylinder 84 and is rotatably connected to the B support plate 6. A limiting block 811 is installed on the right side of the connecting shaft 85. The limiting block 811 has a through hole and two limiting grooves on one side. The positioning pin 2 passes through the through hole. A positioning frame 813 slides inside the limiting groove. The positioning frame 813 is connected to the B support plate 6. The limiting block 811 can slide inside the positioning frame 813. The positioning frame 813 can limit and guide the positioning pin 2 through the limiting block 811, making the movement of the positioning pin 2 more stable. A positioning plate 88 is installed on the outside of the A electric push rod 81. The positioning plate 88 is connected to the left side of the connecting ring 87. The shaft end of the A electric push rod 81 is connected to the A limiting plate 86. The A electric push rod 81 moves automatically with the positioning pin 2 through the limiting block 811 and the connecting shaft 85, which improves the automation capability of the device and improves the clamping efficiency.

[0041] A positioning block 89 is connected to connecting ring 87 and guide cylinder 84. A motor 82 is installed on the left front end of B support plate 6. A bevel gear 810 meshes with the outer side of connecting ring 87 through teeth. The bevel gear 810 is installed on the shaft end of motor 82. Motor 82 and A electric push rod 81 are connected to the power supply and controller through wires. Motor 82 drives connecting ring 87 to rotate through bevel gear 810. Connecting ring 87 rotates with positioning pin 2 through guide cylinder 84, A limit plate 86 and A positioning block 89, so that the tooth seat on the tooth hob can rotate automatically, improving processing efficiency.

[0042] A positioning part 83 is provided between the B support plate 6 and the connecting ring 87. The positioning part 83 includes a B electric push rod 831. A positioning ring 832 is provided on the left side of the connecting ring 87. A B positioning block 833 is engaged with the outer side of the positioning ring 832 through teeth. The B electric push rod 831 is installed at the rear left side of the B support plate 6. The B positioning block 833 is connected to the shaft end of the B electric push rod 831. The positioning plate 88 is connected to the inner side of the positioning ring 832. The B electric push rod 831 is connected to the power supply and controller through wires. When the tooth seat on the toothed hob drill head rotates to the position, the B electric push rod 831 pushes the B positioning block 833 to the outer side of the positioning ring 832, so that the connecting ring 87 cannot rotate, thereby preventing the positioning pin 2 from rotating and preventing the tooth seat on the toothed hob drill head from rotating, thus improving the machining stability.

[0043] The upper side of the base plate 4 is provided with two A mounting slots. The A electric lead screw slide rail 7 is installed inside the A mounting slot. The lower side of the mounting plate 3 is connected to the sliding end of the A electric lead screw slide rail 7. The A electric lead screw slide rail 7 is connected to the power supply and controller through wires. The A electric lead screw slide rail 7 can move on the base plate 4 with the mounting plate 3, so that the tooth seat of the tooth hob can move together, which can perform drilling at different positions and improve processing efficiency.

[0044] In the description of this patent, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly, for example, they can be fixed connections, detachable connections, or integral connections; they can be mechanical connections or electrical connections; they can be direct connections or indirect connections through an intermediate medium; they can be internal connections between two components. For those skilled in the art, the specific meaning of the above terms in this patent can be understood according to the specific circumstances.

[0045] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A continuous drilling fixture for a toothed hob drill bit, comprising a three-jaw chuck (1), a locating pin (2), and a mounting plate (3), wherein the three-jaw chuck (1) and the locating pin (2) are located on the upper side of the mounting plate (3) and the three-jaw chuck (1) is located to the right of the locating pin (2), characterized in that, Also includes: The base plate (4) and the mounting plate (3) are slidable on the upper side of the base plate (4); A support frame (5), with an A support plate (10) rotating on the outside of the three-jaw chuck (1), the A support plate (10) being rotatable inside the A support frame (5), and the A support frame (5) being fixedly connected to the upper side of the mounting plate (3); B support plate (6), the B support plate (6) is located to the left of the positioning pin (2), the B support plate (6) has a support ring (11) rotating on its outer side, the support ring (11) has a moving plate (12) on its lower side, and the moving plate (12) is slidably connected to the upper side of the mounting plate (3); Two A electric screw slide rails (7), the upper side of the base plate (4) is provided with two A mounting slots, the A electric screw slide rails (7) are installed inside the A mounting slots, the lower side of the mounting plate (3) is connected to the sliding end of the A electric screw slide rails (7), and the A electric screw slide rails (7) are connected to the power supply and controller through wires; A clamping and rotating unit (8) is located between the positioning pin (2) and the B support plate (6); The movable adjustment unit (9) is located between the B support plate (6) and the movable plate (12).

2. The continuous drilling fixture for a toothed hob drill bit according to claim 1, characterized in that, A protective cover (13) is installed on the outside of the base plate (4).

3. The continuous drilling fixture for a toothed hob drill bit according to claim 1, characterized in that, The clamping and rotating unit (8) includes an A electric push rod (81) and an A motor (82). A rotating hole is provided on one side of the B support plate (6). A guide cylinder (84) rotates inside the rotating hole. A connecting shaft (85) slides inside the guide cylinder (84). An installation hole is provided on the right side of the connecting shaft (85). The positioning pin (2) can be installed inside the installation hole. An A limiting plate (86) is provided on the left side of the guide cylinder (84). The A limiting plate (86) is connected to the left side of the connecting shaft (85). A connecting ring (87) is provided between the A limiting plate (86) and the B support plate (6). The connecting ring (87) is connected to the outside of the guide cylinder (84) and is rotatably connected to the B support plate (6). A positioning plate is installed on the outside of the A electric push rod (81). (88), the positioning plate (88) is connected to the left side of the connecting ring (87), the shaft end of the electric push rod (81) is connected to the limiting plate (86), the limiting plate (86) has four positioning grooves on the outside, the positioning block (89) slides on the inside of the positioning groove, the positioning block (89) is connected to the connecting ring (87) and the guide cylinder (84), the motor (82) is installed on the left front end of the support plate (6), the connecting ring (87) has a bevel gear (810) meshing with teeth on the outside, the bevel gear (810) is installed on the shaft end of the motor (82), the motor (82) and the electric push rod (81) are connected to the power supply and controller through wires, and a positioning part (83) is provided between the support plate (6) and the connecting ring (87).

4. A continuous drilling fixture for a toothed hob drill bit according to claim 3, characterized in that, The positioning part (83) includes a B electric push rod (831), and a positioning ring (832) is provided on the left side of the connecting ring (87). A B positioning block (833) is engaged with the outside of the positioning ring (832) by teeth. The B electric push rod (831) is installed on the left rear end of the B support plate (6). The B positioning block (833) is connected to the shaft end of the B electric push rod (831). The positioning plate (88) is connected to the inner side of the positioning ring (832). The B electric push rod (831) is connected to the power supply and the controller through wires.

5. A continuous drilling fixture for a toothed hob drill bit according to claim 3, characterized in that, A limiting block (811) is installed on the right side of the connecting shaft (85). The limiting block (811) has a through hole and two limiting grooves on one side. The positioning pin (2) passes through the through hole. A positioning frame (813) slides inside the limiting groove. The positioning frame (813) is connected to the B support plate (6). The limiting block (811) can slide inside the positioning frame (813).

6. A continuous drilling fixture for a toothed hob drill bit according to claim 1, characterized in that, The movable adjustment unit (9) includes two B electric lead screw slide rails (91) and two C electric lead screw slide rails (92). The support ring (11) has B support frames (93) sliding at both the front and rear ends. The B support frames (93) are connected to the upper side of the movable plate (12). The upper side of the mounting plate (3) is provided with two B mounting slots. The B electric lead screw slide rails (91) are installed inside the B mounting slots. The lower side of the movable plate (12) is connected to the upper moving end of the B electric lead screw slide rails (91). The C electric lead screw slide rails (92) are installed on one side of the B support frames (93). The support ring (11) is connected to the upper moving end of the C electric lead screw slide rails (92). The B electric lead screw slide rails (91) and C electric lead screw slide rails (92) are both connected to the power supply and the controller through wires.

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