CN112958857A

CN112958857A - Multi-angle efficient milling device for screw

Info

Publication number: CN112958857A
Application number: CN202110377744.5A
Authority: CN
Inventors: 龚桂林
Original assignee: Jiaxing Wangyi Machinery Co ltd
Current assignee: Jiaxing Wangyi Machinery Co ltd
Priority date: 2021-04-08
Filing date: 2021-04-08
Publication date: 2021-06-15

Abstract

The invention discloses a multi-angle high-efficiency milling device for a screw, which comprises a support frame, wherein a central slotting component, a left side slotting component and a right side slotting component are arranged on the support frame, a lifting mechanism is arranged between the central slotting component and the support frame, two-shaft moving mechanisms are arranged between the left side slotting component and the support frame, the central slotting component comprises a central main shaft and a central milling cutter, the left side slotting component comprises a left main shaft and a left milling cutter, the right side slotting component comprises a right main shaft and a right milling cutter, and the left main shaft and the right main shaft are respectively and rotatably connected with the two-shaft moving mechanisms.

Description

Multi-angle efficient milling device for screw

Technical Field

The invention belongs to the technical field of screw machining equipment, and particularly relates to a multi-angle efficient milling device for a screw.

Background

The screw is a common part in the mechanical field, the thread of the screw is usually completed by a milling machine, when the milling machine in the prior art mills the screw, the method usually used is to fix the two ends of the screw to rotate, a slideway is arranged in the middle of the screw, the milling cutter slides on the slideway to complete the milling process, and the milling cutter keeps rotating to enable the screw to move along the transverse direction to complete the milling process.

In the milling process of the conventional screw, the shape, the angle, the size and the like of a milled thread on the screw completely depend on one milling cutter, a plurality of different milling cutters need to be adopted when different screws are machined, and particularly in the trial production process, the milling cutters need to be tested and replaced for many times, so that the screw milling machine is very troublesome, is not suitable for small-batch production, and is very high in price and high in production cost.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a method for machining a screw thread in steps when the screw thread is machined, firstly, a groove is formed in the center, then, grooves are formed in the left side and the right side along the groove in the center, the side angle setting of the screw thread is simultaneously completed, the angles of a left main shaft and a right main shaft can be adjusted according to different screw thread angles to adapt at any time, and the applicability is improved, namely, a group of cutters finish the milling of the screw thread with various angles.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high-efficient milling equipment of screw rod multi-angle, includes the support frame, is provided with central fluting subassembly, left surface fluting subassembly and right side fluting subassembly on the support frame, is provided with elevating system between central fluting subassembly and the support frame, left surface fluting subassembly, right side fluting subassembly all with be provided with two moving mechanism between the support frame, central fluting subassembly includes central main shaft and central milling cutter, left surface fluting subassembly includes left main shaft and left milling cutter, and right side fluting subassembly includes right main shaft and right milling cutter, and left main shaft and right main shaft rotate with two moving mechanism respectively and are connected.

Further two-axis moving mechanism includes Z axle sharp module and X axle sharp module, and Z axle sharp module is fixed on the support frame, and Z axle sharp module is connected to X axle sharp module.

Further X axle straight line module is provided with two, all is provided with the numerical control revolving stage on two X axle straight line modules, and left main shaft and right main shaft are connected respectively on two numerical control revolving stages.

And further, the central slotting component, the left side slotting component and the right side slotting component are sequentially arranged along the X direction.

The further still include the frame, be provided with the centre gripping chuck in the frame, lateral shifting is connected between support frame and the frame.

The invention has the beneficial effects that: the method comprises the steps of firstly adjusting the inclination angles of a left side grooving component and a right side grooving component according to the angle of a thread side of a design drawing, namely adjusting the inclination angles of a left milling cutter and a right milling cutter, firstly driving the center milling cutter to process at the center of a thread to be processed through a center spindle during processing, so that a thread is formed on the surface of a screw rod, when the thread with the center grooving reaches the left milling cutter and the right milling cutter, the left milling cutter and the right milling cutter continue to mill towards the side along the center grooving respectively to form a complete thread, and simultaneously milling the inclination angles of the thread side is completed, only the inclination angles of the left milling cutter and the right milling cutter need to be adjusted when other different threads are processed, namely, one set of milling cutter can complete screw rod processing of various thread side inclination angles.

Drawings

FIG. 1 is a schematic structural view of a multi-angle high milling device for a screw according to the present invention.

Reference numerals: 11. a central main shaft; 12. a center milling cutter; 21. a left main shaft; 22. a left milling cutter; 31. a right main shaft; 32. a right milling cutter; 41. a Z-axis linear module; 42. an X-axis linear module; 5. a lifting mechanism; 6. a screw; 7. a support frame; 8. and (5) carrying out numerical control on the rotary table.

Detailed Description

An embodiment of the multi-angle efficient milling device for the screw of the invention is further described with reference to fig. 1.

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" or "a number" means two or more unless explicitly specified otherwise.

The utility model provides a screw rod multi-angle high-efficient milling equipment, includes support frame 7, is provided with central fluting subassembly, left surface fluting subassembly and right surface fluting subassembly on the support frame 7, is provided with elevating system 5 between central fluting subassembly and the support frame 7, and elevating system 5 can adopt like linear electric motor, and left surface fluting subassembly, right surface fluting subassembly all are provided with two moving mechanism with between the support frame 7, central fluting subassembly includes central main shaft 11 and central milling cutter 12, left surface fluting subassembly includes left main shaft 21 and left milling cutter 22, and right side fluting subassembly includes right main shaft 31 and right milling cutter 32, and left main shaft 21 and right main shaft 31 rotate with two moving mechanism respectively and are connected.

In the present invention, the screw 6 to be processed is preferably adopted to make only a rotary motion, and each slotting component moves along the axial direction of the screw 6 to form a thread; the clamping device comprises a support frame, a clamping chuck is arranged on the support frame, and the support frame 7 is connected with the support frame in a transverse moving mode.

Namely, the screw 6 to be machined is fixed on the clamping chuck, and the thread is machined on the screw 6 by each milling cutter through the transverse movement of the supporting frame 7.

Wherein the support frame 7 and the rack can move relatively through an X-axis linear module (which can be in the same structure as the X-axis linear module used by the numerical control turntable 8).

In the present embodiment, the center spindle 11, the left spindle 21 and the right spindle 31 are all driven independently, that is, the center mill 12, the left mill 22 and the right mill 32 rotate independently.

The two-axis moving mechanism preferably includes a Z-axis linear module 41 and an X-axis linear module 42, the Z-axis linear module 41 is fixed on the support frame 7, and the X-axis linear module 42 is connected to the Z-axis linear module 41.

The preferred central, left side and side grooving assemblies in this embodiment are all located above the screw 6 to be machined so that the central mill 12, left mill 22 and right mill 32 are all located directly above the axis of the screw 6 to be machined.

Specifically, the number of the X-axis linear modules 42 is two, the two X-axis linear modules 42 are both provided with the numerical control rotary table 8, and the left main shaft 21 and the right main shaft 31 are respectively connected to the two numerical control rotary tables 8, that is, the left milling cutter 22 and the right milling cutter 32 can rotate at an independent angle and adjust the position on the X axis.

The concrete structure and the processing process are as follows:

as shown in fig. 1, in the embodiment, the distances of the central grooving component, the left side grooving component and the right side grooving component are far, and the three components do not simultaneously machine the same position of the thread, when machining, the whole supporting frame 7 moves right and left, the central grooving component firstly contacts the unprocessed position of the screw 6, wherein the dotted line at a position a is the position to be machined, and the position B is the state of completing the central grooving; then the left side face grooving component processes the left side face of the screw 6 with a groove in the center, wherein the dotted line at the position C is the position to be processed of the left side face, and the position D is the state of finishing the processing of the left side face; and finally, the right side face of the screw 6 with the groove being formed in the center is machined by the right side face grooving assembly, the position D in the drawing is the position to be machined on the right side face, and the positions E and F are in a completely machined state, wherein the positions of the left side face grooving assembly and the right side face grooving assembly can be interchanged.

Before the machining process, firstly, the inclination angles of the left main shaft 21 and the right main shaft 31 are adjusted by the numerical control rotary table 8 according to a design drawing, the distances among the left milling cutter 22, the right milling cutter 32 and the center milling cutter 12 are adjusted by the X-axis linear module 42, and the center milling cutter 12, the left milling cutter 22 and the right milling cutter 32 are contacted with each other and mill the screw 6 by the lifting mechanism 5 and the Z-axis linear module 41.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides a high-efficient milling unit of screw rod multi-angle which characterized in that: the left side surface slotting component comprises a left main shaft and a left milling cutter, the right side surface slotting component comprises a right main shaft and a right milling cutter, and the left main shaft and the right main shaft are respectively rotatably connected with the two-axis moving mechanism.

2. The multi-angle efficient milling device for the screw according to claim 1, wherein: the two-axis moving mechanism comprises a Z-axis linear module and an X-axis linear module, the Z-axis linear module is fixed on the support frame, and the X-axis linear module is connected with the Z-axis linear module.

3. The multi-angle efficient milling device for the screw according to claim 2, wherein: the X-axis linear modules are provided with two X-axis linear modules, the two X-axis linear modules are provided with numerical control rotary tables, and the left main shaft and the right main shaft are connected to the two numerical control rotary tables respectively.

4. The multi-angle efficient milling device for the screw according to claim 3, wherein: the central slotting component, the left side slotting component and the right side slotting component are sequentially arranged along the X direction.

5. The multi-angle efficient milling device for the screw according to claim 4, wherein: the clamping device is characterized by further comprising a rack, wherein a clamping chuck is arranged on the rack, and the supporting frame is connected with the rack in a transverse moving mode.