Multi-head tapping machine

Abstract

The utility model belongs to the technical field of tapping machines, and particularly relates to a multi-head tapping machine which comprises a workbench, a telescopic rod is installed on the upper side of the workbench, a main shaft support is installed at the telescopic end of the telescopic rod, a main shaft is rotationally connected to the lower side of the main shaft support, and a motor for driving the main shaft to rotate is installed on the upper side of the main shaft support. A multi-shaft box is installed on the lower side of the main shaft support, a driving gear and driven gears are rotationally connected to the inner side of the multi-shaft box, and the driven gears are annularly distributed on the outer side of the driving gear and engaged with the driving gear; the lower end of the main shaft extends into the inner side of the multi-shaft box and is connected with a rotating shaft of the driving gear; a transmission box is installed on the lower side of the multi-shaft box, a tool bit clamp is rotationally connected to the inner side of the transmission box, a rotating shaft of the driven gear extends out of the multi-shaft box and is in transmission connection with the tool bit clamp, when the multi-hole workpiece tapping device is used for tapping a multi-hole workpiece, workers do not need to take and place the workpiece frequently, production efficiency is improved, and labor cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tapping machine technical field, concretely is a multi -head tapping machine. BACKGROUND

[0002] Tapping machine is a kind of mechanical equipment for processing internal thread, mainly used for tapping, tapping and screwing and other processing of tapping, tapping and nut and other parts.

[0003] The existing tapping machine needs worker to manually put workpiece into tapping machine's tooling when working, and after tapping is completed, the worker manually takes out the workpiece and stores it in the finished product box;During tapping, each hole on the workpiece is tapped, and when there are multiple holes on the workpiece that need to be tapped, the workpiece needs to be taken and placed frequently, resulting in low tapping efficiency;In addition, the worker is easy to mix the tapped workpiece with the untapped workpiece during the process of taking and placing the workpiece, which leads to the outflow of untapped workpiece.

[0004] Therefore, we propose a multi -head tapping machine to solve the above problems. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of multi -head tapping machine, to solve the problem of low tapping efficiency of tapping machine and worker's easy mistake workpiece in the background technique.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of multi -head tapping machine, including workbench, the upper side of workbench is equipped with telescopic link, the telescopic end of telescopic link is equipped with main shaft support, the lower side of main shaft support is rotatably connected with main shaft, the upper side of main shaft support is equipped with motor for driving main shaft rotation;The lower side of main shaft support is equipped with multi-shaft box, the inner side of multi-shaft box is rotatably connected with driving gear and driven gear, driven gear is annularly distributed on the outer side of driving gear, and is engaged with driving gear;The lower end of main shaft extends into the inner side of multi-shaft box and is connected with the rotating shaft of driving gear;

[0007] The lower side of multi-shaft box is equipped with transmission box, the inner side of transmission box is rotatably connected with tool holder, the rotating shaft of driven gear extends out of multi-shaft box and is drivingly connected with tool holder, and the lower side of tool holder clamps tapping tool;

[0008] The upper side of workbench is equipped with clamping tooling, and the clamping tooling is located at the lower side of tapping tool;The rear side of workbench is provided with discharge plate, the discharge plate is inclinedly arranged, and located at the rear side of clamping tooling.

[0009] Preferably, the inner side of transmission box is rotatably connected with driving wheel and driven wheel, and the driving wheel and driven wheel are connected with transmission belt;

[0010] The driven gear rotating shaft is connected with the driving wheel rotating shaft, and the cutter head clamp is connected with the driven wheel main shaft.

[0011] Preferably, the outer side of the transmission box is provided with an arc-shaped plate and an adapter plate, the axis of the arc-shaped plate is located on the driving wheel rotating shaft, and the transmission box is fixed to the lower side of the multi-shaft box through the arc-shaped plate and the adapter plate.

[0012] Preferably, the clamping tool comprises a bottom plate, a positioning baffle is arranged above the bottom plate, and a clamping plate is slidably connected to the upper side of the bottom plate.

[0013] A cam is rotatably connected to the upper side of the bottom plate, the rotating shaft of the cam penetrates through the bottom plate and is connected with a pressing gear, a limiting frame is arranged on the lower side of the bottom plate, a gear plate is slidably inserted into the inner side of the limiting frame, the gear plate is engaged with the pressing gear, and a push rod for driving the gear plate to slide is arranged on the lower side of the bottom plate.

[0014] Preferably, a positioning plate is slidably connected to the lower side of the workbench, the positioning plate is located at the rear side of the bottom plate, a cover plate slot corresponding to the positioning plate is arranged on the upper side of the workbench, and a lifting rod for driving the positioning plate to slide is arranged on the lower side of the workbench.

[0015] Compared with the prior art, the utility model has the advantages of:

[0016] 1) The device is provided with multiple tapping tools, when multiple holes are contained on a workpiece, multiple tapping tools can simultaneously tap multiple holes on the workpiece, multiple holes can be tapped at a time, and the production efficiency can be improved; when only a single hole on the workpiece needs to be tapped, the clamping tool can be replaced so that the clamping tool can clamp multiple products, the multi-shaft box is replaced, the distance between the tapping tools is adjusted, the tapping tools can be aligned with the holes on multiple workpieces, and multiple workpieces can be simultaneously tapped, so that the production efficiency is improved.

[0017] 2) The device only needs workers to place workpieces, and does not need workers to take tapped products, so that workers can be prevented from missing a process, and thus the tapped workpieces can be prevented from mixing with untapped workpieces.

[0018] 3) The device does not need workers to frequently take and place workpieces when tapping multiple-hole workpieces, so that the production efficiency is improved, and the labor cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is a structural schematic view of the multi-shaft box of the utility model;

[0021] Figure 3 It is a structural schematic view of the internal structure of the multi-shaft box of the utility model;

[0022] Figure 4 It is the internal structure schematic view of the transmission box of the utility model;

[0023] Figure 5 It is the workbench structure schematic view of the utility model;

[0024] Figure 6 It is the utility model Figure 5 The structure enlarged schematic view of A place in the middle.

[0025] In the drawing: 1 support box, 2 workbench, 3 telescopic rod, 4 main shaft support, 5 motor, 6 multi-shaft box, 7 main shaft, 8 transmission box, 9 driving gear, 10 driven gear, 11 driven wheel, 12 driving wheel, 13 tool holder, 14 tapping tool, 15 arc plate, 16 adapter plate, 17 transmission belt, 18 positioning baffle, 19 clamping plate, 20 cam, 21 extrusion gear, 22 push rod, 23 gear plate, 24 limit frame, 25 discharge plate, 26 positioning plate, 27 lifting rod. Specific implementation

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. Embodiment

[0028] Please refer to Figures 1-6 The utility model provides a kind of technical scheme: a multi-head tapping machine, including support mechanism, clamping tooling, drilling tooling, drilling lifting mechanism and discharge mechanism;Support mechanism includes support box 1 and workbench 2, workbench 2 acts as the table top of support box 1;Support mechanism is mainly used to install clamping tooling and drilling lifting mechanism.

[0029] The drilling lifting mechanism comprises a telescopic rod 3, a main shaft support 4, a motor 5 and a main shaft 7; the telescopic rod 3 is installed on the upper side of the workbench 2, when the clamping tool height is low, the lower end of the telescopic rod 3 extends into the lower side of the workbench 2, so as to ensure that the drilling lifting mechanism is not interfered when driving the tapping knife 14 to move downward for tapping. The telescopic end of the telescopic rod 3 is provided with the main shaft support 4, and the telescopic rod 3 drives the main shaft support 4 to lift. The lower side of the main shaft support 4 is rotatably connected with the main shaft 7, and the upper side of the main shaft support 4 is provided with the motor 5 for driving the main shaft 7 to rotate (the connection between the motor 5 and the main shaft 7 adopts the prior art, and details are not described herein).

[0030] The drilling tool comprises a multi-shaft box 6, a transmission box 8, a driving gear 9, a driven gear 10, a driving wheel 12 and a driven wheel 11. The lower side of the main shaft support 4 is provided with the multi-shaft box 6, the inner side of the multi-shaft box 6 is rotatably connected with the driving gear 9 and the driven gear 10; the number of the driven gears 10 is at least four, the driven gears 10 are annularly distributed on the outer side of the driving gear 9 and are in mesh with the driving gear 9, and the lower end of the main shaft 7 extends into the inner side of the multi-shaft box 6 and is connected with the rotating shaft of the driving gear 9; the main shaft 7 drives the driving gear 9 to rotate, then the driving gear 9 drives the plurality of driven gears 10 to rotate, and then the device has a plurality of output shafts, so that a plurality of holes can be tapped at the same time.

[0031] The lower side of the multi-shaft box 6 is provided with the transmission box 8, the transmission box 8 is connected with the multi-shaft box 6 through bolts, so that the multi-shaft box 6 can be detached; the inner side of the transmission box 8 is rotatably connected with a tool bit clamp 13, the rotating shaft of the driven gear 10 extends out of the multi-shaft box 6 and is in transmission connection with the tool bit clamp 13 (the tool bit clamp 13 adopts the prior art, and details are not described herein), and the lower side of the tool bit clamp 13 clamps the tapping knife 14; when drilling different workpieces, the hole spacing will also be different, the multi-shaft box 6 is replaced to change the spacing between the tapping knives 14, so that the tapping knives 14 can tap holes of different workpieces.

[0032] The inner side of the transmission box 8 is rotatably connected with the driving wheel 12 and the driven wheel 11, and the driving wheel 12 and the driven wheel 11 are connected with a transmission belt 17; the rotating shaft of the driven gear 10 is connected with the rotating shaft of the driving wheel 12, a hexagonal hole is formed in the upper side of the rotating shaft of the driving wheel 12, and a hexagonal column is arranged on the lower side of the rotating shaft of the driven gear 10, the hexagonal column is connected with the hexagonal hole, and when the transmission box 8 is replaced, the connection between the rotating shaft of the driven gear 10 and the rotating shaft of the driving wheel 12 can be facilitated. The tool bit clamp 13 is connected with the main shaft of the driven wheel 11.

[0033] The outer side of the transmission box 8 is provided with an arc-shaped plate 15 and an adapter plate 16. The axis of the arc-shaped plate 15 is located on the rotating shaft of the driving wheel 12. When the transmission box 8 is installed, different transmission boxes 8 are replaced according to the hole spacing, and the driving wheel 12 is a necessary connection point, so the arc-shaped plate 15 is arranged here. The size of the adapter plate 16 needs to be individually set according to the hole spacing of different workpieces. The transmission box 8 is fixed to the lower side of the multi-spindle box 6 through the arc-shaped plate 15 and the adapter plate 16.

[0034] The upper side of the workbench 2 is provided with a clamping tool, which is located below the tapping knife 14. During work, the workpiece is fixed by the clamping tool, and then the tapping knife 14 is driven downward by the drilling lifting mechanism to tap the workpiece.

[0035] The discharging mechanism includes a discharging plate 25, which is arranged on the rear side of the workbench 2 and is inclinedly arranged and located on the rear side of the clamping tool. When the worker places the next workpiece, the next workpiece will push the previous workpiece into the discharging plate 25, and then the previous workpiece will slide along the discharging plate 25 under the action of gravity. The finished product box can be placed at the outlet of the discharging plate 25 to facilitate the automatic entry of the tapped workpiece into the finished product box.

[0036] The clamping tool includes a bottom plate, a positioning baffle 18, a clamping plate 19, a cam 20, a squeezing gear 21, a push rod 22, a gear plate 23, a limiting frame 24, a positioning plate 26 and a lifting rod 27. The bottom plate is fixed on the workbench 2 by bolts. The positioning baffle 18, the clamping plate 19 and the cam 20 are located on the upper side of the bottom plate, and the squeezing gear 21, the push rod 22, the gear plate 23 and the limiting frame 24 are located on the lower side of the bottom plate. Among them, the positioning baffle 18 is fixedly connected with the bottom plate by bolts. The upper side of the bottom plate is provided with a wedge-shaped groove, and the lower side of the clamping plate 19 is provided with a wedge-shaped block. Through the cooperation of the wedge-shaped block and the wedge-shaped groove, the clamping plate 19 can slide along the wedge-shaped groove. The cam 20 is rotationally connected with the bottom plate. When the cam 20 is rotated, the cam 20 will squeeze the clamping plate 19 and force the clamping plate 19 to move towards the positioning baffle 18. The workpiece is placed between the clamping plate 19 and the positioning baffle 18, and the clamping plate 19 and the positioning baffle 18 can clamp the workpiece. When multiple workpieces need to be clamped, several sets of clamping plates 19 and positioning baffles 18 can be installed on the bottom plate, so that each workpiece can be matched with a set of clamping plate 19 and positioning baffle 18. When clamping different workpieces, different tools need to be used. Since the positioning baffle 18, the clamping plate 19, the cam 20, the squeezing gear 21, the push rod 22, the gear plate 23 and the limiting frame 24 are all installed on the bottom plate, only the bottom plate needs to be disassembled and replaced, thereby simplifying the disassembly of the clamping tool. The upper side of the bottom plate is also provided with a toe plate. The workpiece is placed on the toe plate, and the position of the toe plate is staggered with the tapping knife 14 to prevent the tapping knife 14 from impacting the bottom plate during tapping.

[0037] The rotating shaft of the cam 20 penetrates the bottom plate and is connected with the extrusion gear 21; a limiting frame 24 is installed below the bottom plate, the inner side of the limiting frame 24 is slidingly inserted with the gear plate 23, the limiting frame 24 is disconnected at the extrusion gear 21, and the gear plate 23 is engaged with the extrusion gear 21 here; the push rod 22 for driving the gear plate 23 to slide is also installed below the bottom plate; the push rod 22 pushes the gear plate 23 to slide, the gear plate 23 drives the extrusion gear 21 to rotate, and the extrusion gear 21 drives the cam to rotate.

[0038] A transfer support is arranged below the workbench 2, a linear guide rail is installed on the transfer support, and the positioning plate 26 is connected with the linear guide rail through a sliding block. The positioning plate 26 is located at the rear side of the bottom plate, and a cover plate slot corresponding to the positioning plate 26 is arranged through the upper side of the workbench 2; the positioning plate 26 can extend out of the cover plate slot when moving upwards, and the positioning plate 26 can retract into the cover plate slot when moving downwards. When the positioning plate 26 extends out of the cover plate slot, the workpiece can be positioned. The lifting rod 27 for driving the positioning plate 26 to slide is installed below the workbench 2.

[0039] Working principle: first, the worker pushes the workpiece into the clamping tool, then starts the lifting rod 27 to push the positioning plate 26 to move upwards, the worker pushes the workpiece and aligns the workpiece with the positioning plate 26, then starts the push rod 22 to push the gear plate 23 to slide, the gear plate 23 drives the extrusion gear 21 to rotate, the extrusion gear 21 drives the cam 20 to rotate, the cam 20 extrudes the clamping plate 19 by rotating, and the clamping plate 19 is clamped to the outer side of the workpiece together with the positioning baffle 18.

[0040] Start the motor 5, the motor 5 drives the driving gear 9 to rotate through the main shaft 7, the driving gear 9 drives the driving wheel 12 to rotate through the driven gear 10, the driving wheel 12 drives the driven wheel 11 to rotate through the transmission belt 17, and the driven wheel 11 drives the tapping cutter 14 to rotate through the cutter holder 13; then start the telescopic rod 3, the telescopic rod 3 drives the multi-shaft box 6 and the transmission box 8 to move downwards through the main shaft support 4, the transmission box 8 drives the tapping cutter 14 to move downwards through the cutter holder 13, and the rotating tapping cutter 14 taps the hole of the workpiece by moving downwards.

[0041] After tapping is completed, the telescopic rod 3 drives the main shaft support 4 and the tapping cutter 14 to move upwards, the motor 5 stops working after the main shaft support 4 is reset; then the lifting rod 27 drives the positioning plate 26 to reset, and the push rod 22 drives the cam 20 to reset; the clamping plate 19 can move again, then the worker pushes the new workpiece into the clamping tool, the new workpiece pushes the tapped workpiece to slide, and the tapped workpiece is pushed into the discharge plate 25 and slides out under the action of gravity.

[0042] The basic principle and main features of the present application and the advantages of the present application are shown and described above. For those skilled in the art, it is obvious that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or basic characteristics of the present application. Therefore, from any point of view, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application, and any reference signs in the claims should not be considered as limiting the claims involved.

[0043] Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A multi-head tapping machine, comprising a workbench (2), a telescopic rod (3) is installed on the upper side of the workbench (2), a main shaft support (4) is installed on the telescopic end of the telescopic rod (3), a main shaft (7) is rotatably connected to the lower side of the main shaft support (4), and a motor (5) for driving the rotation of the main shaft (7) is installed on the upper side of the main shaft support (4); characterized in that: The lower side of the main shaft support (4) is provided with a multi-shaft box (6), the inner side of the multi-shaft box (6) is rotatably connected with a driving gear (9) and a driven gear (10), the driven gear (10) is annularly distributed on the outer side of the driving gear (9) and is in mesh with the driving gear (9); the lower end of the main shaft (7) extends into the inner side of the multi-shaft box (6) and is connected with the rotating shaft of the driving gear (9); The lower side of the multi-shaft box (6) is provided with a transmission box (8), the inner side of the transmission box (8) is rotatably connected with a tool head clamp (13), the rotating shaft of the driven gear (10) extends out of the multi-shaft box (6) and is in transmission connection with the tool head clamp (13), the lower side of the tool head clamp (13) clamps a tapping tool (14); The upper side of the workbench (2) is provided with a clamping tool, the clamping tool is located below the tapping tool (14); the rear side of the workbench (2) is provided with a discharging plate (25), the discharging plate (25) is inclinedly arranged and located at the rear side of the clamping tool.

2. A multiple tapping machine as claimed in claim 1 wherein: The inner side of the transmission box (8) is rotatably connected with a driving wheel (12) and a driven wheel (11), the driving wheel (12) and the driven wheel (11) are connected with a transmission belt (17); The rotating shaft of the driven gear (10) is connected with the rotating shaft of the driving wheel (12), the tool head clamp (13) is connected with the main shaft of the driven wheel (11).

3. A multiple tapping machine as claimed in claim 2, wherein: The outer side of the transmission box (8) is provided with an arc-shaped plate (15) and an adapter plate (16), the axis of the arc-shaped plate (15) is located on the rotating shaft of the driving wheel (12); the transmission box (8) is fixed on the lower side of the multi-shaft box (6) through the arc-shaped plate (15) and the adapter plate (16).

4. The multi-tap machine of claim 1, wherein: The clamping tool comprises a bottom plate, the upper side of the bottom plate is provided with a positioning baffle (18), the upper side of the bottom plate is slidably connected with a clamping plate (19); The upper side of the bottom plate is rotatably connected with a cam (20), the rotating shaft of the cam (20) penetrates through the bottom plate and is connected with a squeezing gear (21); the lower side of the bottom plate is provided with a limiting frame (24), the inner side of the limiting frame (24) is slidably inserted with a gear plate (23), the gear plate (23) is in mesh with the squeezing gear (21); the lower side of the bottom plate is further provided with a push rod (22) for driving the sliding of the gear plate (23).

5. A multiple tapping machine as claimed in claim 4 wherein: The lower side of the workbench (2) is slidably connected with a positioning plate (26), the positioning plate (26) is located at the rear side of the bottom plate, the upper side of the workbench (2) is provided with a corresponding cover plate slot corresponding to the positioning plate (26); the lower side of the workbench (2) is provided with a lifting rod (27) for driving the sliding of the positioning plate (26).

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