High-speed tapping and drilling machine tool

Abstract

The utility model relates to the technical field of part machining, in particular to a high-speed tapping and drilling machine tool which comprises a base, a vertical plate is installed at the rear end of the base, a lifting assembly is installed at the front end of the vertical plate, a lifting plate is connected to the lifting assembly, and a pair of variable-speed power devices is installed at the upper end of the lifting plate. And the output ends of the pair of variable-speed power devices penetrate through the lifting plate and are connected with a drilling head and a tapping head correspondingly, the upper end of the base is slidably connected with a pair of supporting plates, and clamping assemblies and positioning assemblies are installed on the supporting plates. The utility model has the advantages that the rotating shaft II is driven to lift through the variable-speed power device, namely the hydraulic cylinder, so that the variable-speed gears with different diameters on the rotating shaft II are meshed with the corresponding variable-speed gears on the rotating shaft I, thereby changing the rotating speed of the rotating shaft II and realizing the adjustment of the rotating speed of a drilling head or a tapping head; the drilling and tapping device is suitable for drilling and tapping parts with different hardness.

Description

Technical Field

[0001] The utility model relates to the technical field of parts processing, in particular to a high-speed tapping and drilling machine tool. Background Art

[0002] Tapping and drilling machines are machines that can process holes and taps on workpieces at the same time. Drilling machines are machines and equipment that use tools that are harder and sharper than the target object to leave cylindrical holes or holes on the target object by means of rotary cutting or rotary extrusion. Tapping machines are mechanical processing equipment that processes internal threads, screws or threaded buckles on the inner side of holes of various parts with through holes or blind holes of different specifications, such as machine housings, equipment end faces, nuts, flanges, etc. Tapping is completed on the premise of drilling.

[0003] China Publication No.: CN213438234U discloses a high-speed drilling and tapping center machine tool, including a workbench, a button is fixedly connected to one end of the workbench, fixed blocks are fixedly connected to the two sides of the top of the workbench away from each other, and movable blocks are provided on the top of the two fixed blocks. Both ends of the two movable blocks away from each other are penetrated with movable grooves, and the two movable grooves are slidably connected to the fixed blocks of matching positions, and the tops of the two movable blocks are jointly fixedly connected with a gantry. The top of the gantry near the button end is provided with a power box, and the top of the workbench located between the two fixed blocks is provided with a slide groove, and the inner wall of the slide groove away from the button side is fixedly connected to a first bearing, and the inner wall of the first bearing is fixedly connected to a screw. The advantage of the application device is that the speed of the motor output increases the speed of the driven wheel through the speed change of the driving wheel and the driven shaft, thereby increasing the drill speed and the drilling efficiency. However, the drill speed of the application device cannot be adjusted, and it cannot be used to process materials with different hardness. Utility Model Content

[0004] 1. Technical Problems Solved

[0005] The technical problem to be solved by the utility model is that the drill bit speed of the existing tapping and drilling machine tool cannot be adjusted and cannot be applied to processing materials with different hardness.

[0006] 2. Technical Solution

[0007] In order to solve the above technical problems, the technical solution provided by the utility model is: a high-speed tapping and drilling machine tool, comprising a base, a vertical plate is installed at the rear end of the base, a lifting assembly is installed at the front end of the vertical plate, a lifting plate is connected to the lifting assembly, a pair of variable speed power devices are installed on the upper end of the lifting plate, a pair of output ends of the variable speed power devices pass through the lifting plate and are respectively connected to a drilling head and a tapping head, a pair of support plates are slidably connected to the upper end of the base, and a clamping assembly and a positioning assembly are installed on the support plates.

[0008] Furthermore, the speed-changing power device includes a box body installed on the upper end of the lifting plate, and the vertical bearings in the box body are connected to rotating shaft one and rotating shaft two. The upper end of the box body is installed with a motor and a hydraulic cylinder, the output end of the motor is connected to rotating shaft one, and the piston rod of the hydraulic cylinder is connected to a connecting head connected to the bearing of rotating shaft two. Three pairs of meshing speed-changing gears are provided on rotating shaft one and rotating shaft two, and the bottom end of rotating shaft two passes through the box body and is connected to a drilling head or a tapping head.

[0009] Furthermore, the three pairs of speed gears include a small gear, a middle gear, and a large gear arranged on the rotating shaft from top to bottom, and the rotating shaft is provided with a gear one which is consistent with the specifications of the small gear one and meshes with it, a gear two which is located above the middle gear and can mesh with it, and a gear three which is located below the large gear and can mesh with it.

[0010] Furthermore, the lifting assembly includes a slide groove provided at the front end of the vertical plate, a slider vertically slidably connected to the slide groove is provided at the rear center of the lifting plate, a threaded rod is connected to the vertical bearing in the slide groove, the threaded rod passes through the slider and is threadedly connected to the slider, and a motor connected to the threaded rod is installed at the top of the vertical plate.

[0011] Furthermore, a pair of T-shaped slots extending left and right are provided at the upper end of the base, a pair of T-shaped sliding blocks slidably connected to the T-shaped slots are provided at the bottom end of the support plate, and the positioning assembly includes a horizontal plate provided at the lower outer side of the support plate, and a pair of butterfly positioning bolts are threadedly connected to the horizontal plate.

[0012] Furthermore, the clamping assembly includes two threaded rods horizontally passing through the support plate, a knob is fixed to one outer end of the two threaded rods, an inner end of the two threaded rods is rotatably connected to a positioning plate slidably connected to the upper end of the base, and a rubber pad is fixed to the inner wall of the positioning plate.

[0013] Furthermore, a through groove is provided at the center of the upper end of the base, which runs through the left and right sides and corresponds to the positions of the drilling head and the tapping head.

[0014] 3. Beneficial Effects

[0015] The advantages of the utility model compared with the prior art are:

[0016] 1. The speed-changing power device, i.e. the hydraulic cylinder, drives the second shaft to rise and fall, so that the speed-changing gears of different diameters on the second shaft mesh with the corresponding speed-changing gears on the first shaft, thereby changing the speed of the second shaft, thereby realizing the adjustment of the speed of the drilling head or the tapping head, which is suitable for drilling and tapping parts with different hardness. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is the overall structure diagram of the utility model.

[0018] Figure 2 It is a structural diagram of the speed-changing power device of the utility model.

[0019] Figure 3 It is a structural diagram of the lifting component of the utility model.

[0020] Figure 4 It is a structural diagram of the clamping assembly of the utility model.

[0021] As shown in the figure: 1. Base; 101. T-type slide; 102. Through groove; 2. Vertical plate; 201. Slide; 3. Lifting assembly; 4. Lifting plate; 401. Slider; 5. Variable speed power device; 6. Drilling head; 7. Tapping head; 8. Support plate; 801. T-type slide; 9. Clamping assembly; 10. Positioning assembly; 11. Box; 12. Rotating shaft one; 13. Rotating shaft two; 14. Motor; 15. Hydraulic cylinder; 16. Connector; 17. Variable speed gear; 18. Small gear; 19. Middle gear; 20. Large gear; 21. Gear one; 22. Gear two; 23. Gear three; 24. Threaded rod; 25. Motor two; 26. Horizontal plate; 27. Butterfly positioning bolt; 28. Threaded rod two; 29. ​​Knob; 30. Positioning plate; 31. Rubber pad. DETAILED DESCRIPTION

[0022] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0023] Embodiment 1

[0024] Combined with Figure 1 A high-speed tapping and drilling machine tool comprises a base 1, a vertical plate 2 is installed at the rear end of the base 1, a lifting assembly 3 is installed at the front end of the vertical plate 2, a lifting plate 4 is connected to the lifting assembly 3, a pair of variable speed power devices 5 are installed on the upper end of the lifting plate 4, the output ends of the pair of variable speed power devices 5 pass through the lifting plate 4 and are respectively connected to a drilling head 6 and a tapping head 7, a pair of support plates 8 are slidably connected to the upper end of the base 1, and a clamping assembly 9 and a positioning assembly 10 are installed on the support plate 8.

[0025] In combination with the above structure, the position of the part is clamped and fixed by the clamping assembly 9, so that the part that needs to be drilled is facing the drilling head 6, and the lifting plate 4 is driven to descend by the lifting assembly 3, so that the variable speed power device 5 is lowered, and the drilling head 6 is driven to rotate and drill holes in the part by the corresponding variable speed power device 5. The variable speed power device 5 is raised, and slides on the upper end of the base 1 through the support plate 8 and is fixed in position by the positioning assembly 10, so that the hole of the part corresponds to the tapping head 7, which is convenient for tapping; the speed of the drilling head 6 and the tapping head 7 can be changed by the variable speed power device 5, which is suitable for drilling and tapping parts with different hardness.

[0026] Combined with Figure 2 The speed-changing power device 5 includes a box body 11 installed on the upper end of the lifting plate 4, and a vertical bearing in the box body 11 is connected to a rotating shaft 12 and a rotating shaft 2 13. A motor 14 and a hydraulic cylinder 15 are installed on the upper end of the box body 11. The output end of the motor 14 is connected to the rotating shaft 12, and the piston rod of the hydraulic cylinder 15 is connected to a connector 16 connected to the bearing of the rotating shaft 2 13. Three pairs of meshing speed-changing gears 17 are provided on the rotating shaft 12 and the rotating shaft 2 13. The bottom end of the rotating shaft 2 13 passes through the box body 11 and is connected to the drilling head 6 or the tapping head 7.

[0027] In combination with the above structure, when the speed-changing power device 5 is used, the motor 14 drives the rotating shaft 12 to rotate, thereby rotating the speed-changing gear 17 on the rotating shaft 12, thereby rotating the speed-changing gear 17 on the rotating shaft 2 13 meshing with the speed-changing gear 17, thereby rotating the rotating shaft 2 13 to drive the drilling head 6 or the tapping head 7 to rotate, thereby realizing drilling and tapping of the parts.

[0028] Combined with Figure 2 The three pairs of speed change gears 17 include a small gear 18, a middle gear 19, and a large gear 20 which are arranged on the rotating shaft 12 from top to bottom. The rotating shaft 2 13 is provided with a gear 1 21 which is consistent with the specifications of the small gear 18 and meshes with it, a gear 2 22 which is located above the middle gear 19 and can mesh with it, and a gear 3 23 which is located below the large gear 20 and can mesh with it.

[0029] In combination with the above structure, the hydraulic cylinder 15 is used to drive the rotating shaft 13 to rise and fall, thereby adjusting the height of the three speed gears 17 on the rotating shaft 13. When the small gear 1 is engaged with the gear 1 21, the rotation speeds of the rotating shaft 12 and the rotating shaft 13 are consistent; when the middle gear 19 is engaged with the gear 2 22, the rotation speed of the rotating shaft 13 is increased; when the large gear 20 is engaged with the gear 3 23, the rotation speed of the rotating shaft 13 is the highest, thereby realizing the adjustment of the rotation speed of the drilling head 6 or the tapping head 7, which is suitable for processing materials of different hardness.

[0030] Combined with Figure 3The lifting assembly 3 includes a slide groove 201 provided at the front end of the vertical plate 2, and a slider 401 vertically slidably connected to the slide groove 201 is provided at the rear end center of the lifting plate 4. A threaded rod 24 is connected to the vertical bearing in the slide groove 201, and the threaded rod 24 passes through the slider 401 and is threadedly connected to it. A motor 25 connected to the threaded rod 24 is installed at the top of the vertical plate 2.

[0031] In combination with the above structure, when the lifting assembly 3 is in use, the motor 25 drives the threaded rod 24 to rotate, so that the slider 401 slides vertically in the slide groove 201, thereby lifting the lifting plate 4 and the components thereon.

[0032] Embodiment 2

[0033] Based on the first embodiment, combined with the attached Figure 4 The upper end of the base 1 is provided with a pair of T-shaped slide grooves 101 that pass through the left and right sides, and the bottom end of the support plate 8 is provided with a pair of T-shaped sliders 801 that are slidably connected to the T-shaped slide grooves 101. The positioning assembly 10 includes a horizontal plate 26 provided at the lower position of the outer side of the support plate 8, and a pair of butterfly positioning bolts 27 are threadedly connected to the horizontal plate 26.

[0034] The support plate 8 slides horizontally on the base 1 through the cooperation of the T-shaped slider 801 and the T-shaped slide groove 101, and is fixed in position through the positioning component 10, namely the horizontal plate 26 and the butterfly positioning bolt 27, so that the parts clamped by a pair of clamping components 9 are easy to adjust.

[0035] Combined with Figure 4 The clamping assembly 9 includes a threaded rod 28 horizontally passing through the support plate 8, a knob 29 is fixed to the outer end of the threaded rod 28, and a positioning plate 30 slidably connected to the upper end of the base 1 is rotatably connected to the inner end of the threaded rod 28, and a rubber pad 31 is fixed to the inner wall of the positioning plate 30.

[0036] The threaded rod 28 is rotated by turning the knob 29, so that the threaded rod 28 moves horizontally, so that the positioning plate 30 slides horizontally on the base 1. The parts are clamped and fixed by a pair of positioning plates 30, which facilitates part processing.

[0037] Combined with Figure 4 A through groove 102 is provided at the center of the upper end of the base 1, which runs through the left and right sides and corresponds to the positions of the drilling head 6 and the tapping head 7, so as to facilitate the processing of the through holes of the parts and the cleaning of the debris.

[0038] The specific usage is as follows:

[0039] The part is placed on the base 1, and the part to be punched is facing the drilling head 6, the part position is fixed by the clamping assembly 9, the lifting plate 4 is driven to descend by the lifting assembly 3, so that the variable speed power device 5 is lowered, the drilling head 6 is driven to rotate by the corresponding variable speed power device 5 to punch the part, and then the variable speed power device 5 is lifted, and the supporting plate 8 is slid on the upper end of the base 1 and fixed by the positioning assembly 10, so that the hole of the part corresponds to the tapping head 7, and then the tapping head 7 is driven by the corresponding variable speed power device 5 to perform tapping, thereby realizing the drilling and tapping of the part;

[0040] The speed of the drilling head 6 and the tapping head 7 can be changed by the speed-changing power device 5, which is suitable for drilling and tapping parts with different hardnesses. That is, the hydraulic cylinder 15 drives the second rotating shaft 13 to rise and fall, so that the speed change gears 17 of different diameters on the second rotating shaft 13 are meshed with the corresponding speed change gears 17 on the first rotating shaft 12, thereby changing the speed of the second rotating shaft 13, thereby realizing the adjustment of the speed of the drilling head 6 or the tapping head 7.

[0041] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A high-speed drilling machine tool, comprising a base (1), a vertical plate (2) being mounted at the rear end of the base (1), characterized in that: A lifting assembly (3) is installed at the front end of the vertical plate (2), a lifting plate (4) is connected to the lifting assembly (3), a pair of variable speed power devices (5) are installed at the upper end of the lifting plate (4), the output ends of the pair of variable speed power devices (5) pass through the lifting plate (4) and are respectively connected to a drilling head (6) and a tapping head (7), and a pair of support plates (8) are slidably connected to the upper end of the base (1), and a clamping assembly (9) and a positioning assembly (10) are installed on the support plate (8).

2. A high-speed tapping and drilling machine tool according to claim 1, characterized in that: The speed-changing power device (5) comprises a box body (11) mounted on the upper end of the lifting plate (4); a first rotating shaft (12) and a second rotating shaft (13) are connected to vertical bearings in the box body (11); a motor (14) and a hydraulic cylinder (15) are mounted on the upper end of the box body (11); an output end of the motor (14) is connected to the first rotating shaft (12); a piston rod of the hydraulic cylinder (15) is connected to a connector (16) connected to a bearing of the second rotating shaft (13); three pairs of meshing speed-changing gears (17) are arranged on the first rotating shaft (12) and the second rotating shaft (13); a bottom end of the second rotating shaft (13) passes through the box body (11) and is connected to a drilling head (6) or a tapping head (7).

3. A high-speed tapping and drilling machine tool according to claim 2, characterized in that: The three pairs of speed change gears (17) include a small gear (18), a middle gear (19), and a large gear (20) which are arranged on the rotating shaft (12) from top to bottom in sequence; the rotating shaft (13) is provided with a first gear (21) which is consistent with the specifications of the small gear (18) and meshes with it, a second gear (22) which is located above the middle gear (19) and can mesh with it, and a third gear (23) which is located below the large gear (20) and can mesh with it.

4. The high-speed drilling machine tool according to claim 1, characterized in that: The lifting assembly (3) comprises a slide groove (201) provided at the front end of the vertical plate (2); a slider (401) vertically slidably connected to the slide groove (201) is provided at the rear end center of the lifting plate (4); a threaded rod (24) is connected to the vertical bearing in the slide groove (201); the threaded rod (24) passes through the slider (401) and is threadedly connected to the slider; a motor 2 (25) connected to the threaded rod (24) is installed at the top end of the vertical plate (2).

5. The high-speed drilling machine tool according to claim 1, characterized in that: The upper end of the base (1) is provided with a pair of T-shaped sliding grooves (101) extending therethrough, the lower end of the support plate (8) is provided with a pair of T-shaped sliding blocks (801) slidably connected to the T-shaped sliding grooves (101), and the positioning assembly (10) comprises a horizontal plate (26) provided at a lower position outside the support plate (8), and a pair of butterfly positioning bolts (27) are threadedly connected to the horizontal plate (26).

6. The high-speed drilling machine tool according to claim 1, characterized in that: The clamping assembly (9) comprises a second threaded rod (28) horizontally passing through the support plate (8), a knob (29) being fixed to an outer end of the second threaded rod (28), a positioning plate (30) being rotatably connected to an upper end of the base (1) by sliding connection to an inner end of the second threaded rod (28), and a rubber pad (31) being fixed to an inner wall of the positioning plate (30).

7. The high-speed drilling machine tool according to claim 1, characterized in that: A through groove (102) is provided at the center of the upper end of the base (1) and runs through from left to right and corresponds to the positions of the drilling head (6) and the tapping head (7).

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