CN221047772U

CN221047772U - Milling machine main shaft composite machining equipment

Info

Publication number: CN221047772U
Application number: CN202322599790.7U
Authority: CN
Inventors: 黄慧红; 郑晓存; 马升
Original assignee: Ningbo Yishu Intelligent Technology Co ltd
Current assignee: Ningbo Yishu Intelligent Technology Co ltd
Priority date: 2023-09-25
Filing date: 2023-09-25
Publication date: 2024-05-31
Anticipated expiration: 2033-09-25

Abstract

The utility model relates to main shaft combined machining equipment of a milling machine. The first station mechanism comprises a clamping device and at least one vertical tool rest assembly, wherein the clamping device is used for clamping a blank to be processed, and the vertical tool rest assembly is used for cutting the blank. The second station mechanism comprises an indexing device, a thimble device and a power tool apron device, the thimble device is arranged opposite to the indexing device, the power tool apron device is slidably arranged on the frame, the indexing device and the thimble device are used for fixing two ends of a rough workpiece, the power tool apron device moves along the length direction of the rough workpiece for processing, and the rough workpiece is obtained by processing a blank by the first station mechanism. The first station mechanism and the second station mechanism respectively process different parts and different working procedures of the main shaft, the main shaft can complete the processing working procedures through the same equipment, circulation is avoided, and the processing efficiency and the shipment efficiency are improved.

Description

Milling machine main shaft composite machining equipment

Technical Field

The utility model relates to the technical field of machine tools, in particular to a milling machine main shaft compound machining device.

Background

The existing large spindle milling and turning working procedures are separately carried out in different equipment or are carried out in batch by adopting different working procedures in the same equipment, and the machined spindle can be machined by replacing a clamp after being in a small batch.

Chinese publication CN108311899a discloses a common platform for a horizontal five-axis composite machining center, which comprises a bed, an upright post, and a saddle foundation. The main functional components comprise a turning plate workbench of a cradle workbench milling machine workbench, a mechanical vertical-horizontal conversion main shaft head, a direct-drive single-pendulum main shaft head A shaft, a direct-drive single-pendulum main shaft head B shaft, a tool magazine component, a hydraulic unit, a chip removal unit, an electrical control system and other components. The workbench part moves back and forth on the lathe bed to realize Z-axis feeding; the saddle moving foundation large piece moves left and right along the upright post to realize X-axis feeding; the main shaft head moving part moves up and down on the saddle to realize Y-axis feeding.

In the machining center, when machining the spindle, it is necessary to perform machining in steps and areas, and it is necessary to remove the workpiece from the equipment and stack the workpiece in the next step. Not only is the turnover efficiency of spindle processing low, but also the technical problem that the surface quality of collision and the like is damaged easily is caused in the spindle transferring process, so improvement is needed.

Disclosure of utility model

In order to overcome the problems in the related art, the embodiment of the utility model provides main shaft compound machining equipment for a milling machine, which is used for solving the technical problems of low turnover efficiency and surface quality damage of workpieces.

According to a first aspect of an embodiment of the present utility model, there is provided a milling main shaft composite machining apparatus, including a frame, a first station mechanism and a second station mechanism mounted to the frame;

The first station mechanism comprises a clamping device and at least one vertical tool rest assembly, wherein the clamping device is arranged on the frame and is used for clamping a blank to be processed, and the vertical tool rest assembly is used for cutting the blank;

The second station mechanism comprises an indexing device, a thimble device and a power tool apron device, wherein the thimble device is arranged opposite to the indexing device, the power tool apron device is slidably arranged on the frame, the indexing device and the thimble device are used for fixing two ends of a rough workpiece, the power tool apron device moves in the length direction of the rough workpiece for processing, and the rough workpiece is obtained by processing a blank by the first station mechanism.

In an embodiment, the clamping device comprises a clamping seat, an expansion sleeve assembly arranged on the clamping seat and a driving assembly connected with the expansion sleeve assembly, wherein the driving assembly drives the expansion sleeve assembly to clamp or loosen the blank.

In an embodiment, the clamping seat comprises a bottom plate fixed on the frame, a column part fixed on the bottom plate and a platform part, wherein the height of the column part is larger than that of the platform part, the width of the platform part is larger than that of the column part, the platform part extends towards the direction deviating from the column part, and the expansion sleeve component is mounted on the column part.

In an embodiment, the frame includes support body portion, locates the waste bin of support body portion and spanes the installation department of waste bin, clamping device is fixed in support body portion and orientation the top protrusion of waste bin, vertical knife rest subassembly slide in support body portion, thimble device install in the installation department, thimble device with be formed with between the indexing device and span the processing region of waste bin top.

In an embodiment, two vertical tool rest assemblies are provided, and the two vertical tool rest assemblies are respectively distributed on two sides of the clamping device.

In an embodiment, the vertical tool rest assembly comprises a tool rest seat sliding on the frame, a power assembly installed on the tool rest seat, an adjusting frame sliding on the tool rest seat and a tool row seat installed on the adjusting frame, wherein the power assembly is in driving connection with the adjusting frame, and the tool row seat is used for installing a cutting tool.

In an embodiment, the tool rest base comprises a cast body frame formed integrally and two rows of sliding block groups fixed at the bottom of the cast body frame, wherein the frame is provided with two sliding rails arranged in parallel, the two rows of sliding block groups are respectively correspondingly arranged on the sliding rails in a sliding manner, and the power assembly is arranged on the cast body frame.

In an embodiment, the power assembly comprises a driving motor, a mounting frame mounted on the casting frame and a screw nut pair, wherein the driving motor is mounted on the mounting frame, and an output shaft of the driving motor is connected with the screw nut pair in the mounting frame through a coupler.

In one embodiment, the ejector pin device is located between the indexing device and the first station mechanism.

In an embodiment, the power tool apron device comprises a sliding seat body, a lifting component fixed on the sliding seat body, a sliding frame sliding along the sliding seat body, and a power tool rest component installed on the sliding seat body, wherein the lifting component is in driving connection with the sliding frame, and the power tool rest component is provided with two or more power tool bits, one of which is used for cutting the rough workpiece.

The technical scheme provided by the embodiment of the utility model can comprise the following beneficial effects: the first station mechanism and the second station mechanism respectively process different parts and different working procedures of the main shaft, the main shaft can complete the processing working procedures through the same equipment, circulation is avoided, and the processing efficiency and the shipment efficiency are improved. The first station mechanism locks the blank through the hoop of the clamping device, so that the vertical tool rest assembly can process the peripheral wall, the end face and the axial slot of the workpiece, and the processing is convenient and fast. The second station mechanism is used for positioning the machining angle through the indexing device and the thimble device with high precision, and the power tool apron device is used for actively machining different positions of a workpiece, so that the machining flexibility is high and the machining precision is high.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic perspective view of a milling machine main shaft complex machining apparatus according to an exemplary embodiment.

Fig. 2 is a schematic diagram showing a front view of a main spindle composite machining apparatus of a milling machine according to an exemplary embodiment.

Fig. 3 is a schematic top view of a milling machine main shaft compound machining apparatus according to an example embodiment.

Fig. 4 is a schematic view illustrating a structure in which a clamping device is mounted to a frame according to an exemplary embodiment.

Fig. 5 is a schematic structural view of a vertical blade carrier assembly according to an exemplary embodiment.

In the figure, a frame 10; a waste bin 11; a waste port 111; a mounting portion 12; a frame body 13; a first station mechanism 20; a clamping device 21; clamping holder 211; a column portion 2111; a platform portion 2112; a bottom plate 2113; an expansion sleeve assembly 212; a vertical blade carrier assembly 22; a power assembly 221; an adjustment bracket 222; a cutter row seat 223; a tool rest seat 224; casting body frame 2241; a slider set 2242; a screw nut pair 225; a mounting frame 226; a coupling 227; a drive motor 228; a second station mechanism 30; a thimble device 31; an indexing device 32; a power tool apron device 33; a lifting assembly 331; a sliding base 332; a carriage 333; a power tool post assembly 334.

Detailed Description

Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the present utility model, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as it may be fixedly coupled, detachably coupled, or integrally formed, as indicating the relationship of components; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 5, the present utility model provides a milling main shaft composite machining apparatus, which includes a frame 10, a first station mechanism 20 and a second station mechanism 30 mounted on the frame 10. The first station mechanism 20 is used for processing blanks of the spindle workpiece, and the second station mechanism 30 can further process other parts of the spindle workpiece so as to realize comprehensive processing. Therefore, the first station mechanism 20 and the second station mechanism 30 process different parts and different working procedures of the main shaft respectively, the main shaft can complete the processing working procedures through the same equipment, circulation is avoided, and the processing efficiency and the shipment efficiency are improved.

The first station mechanism 20 comprises a clamping device 21 and at least one vertical tool rest assembly 22, wherein the clamping device 21 is arranged on the frame 10, the clamping device 21 is used for clamping a blank to be machined, and the vertical tool rest assembly 22 is used for cutting the blank to be machined. The first station mechanism 20 locks the blank through the hoops of the clamping device 21, so that the vertical tool rest assembly 22 processes the peripheral wall, the end face and the axial slot of the workpiece, and the processing is convenient. The vertical tool rest assembly 22 is a machining structure independently mounted on the frame 10, can realize vertical machining of a blank, can move transversely and longitudinally relative to the blank, and has high overall machining flexibility.

The second station mechanism 30 comprises an indexing device 32, a thimble device 31 arranged opposite to the indexing device 32 and a power tool apron device 33 slidably mounted on the frame 10, wherein the indexing device 32 and the thimble device 31 fix two ends of a rough workpiece, the power tool apron device 33 moves along the length direction of the rough workpiece for processing, and the rough workpiece is obtained by processing a blank by the first station mechanism 20. The second station mechanism 30 is used for positioning the machining angle with high precision through the indexing device 32 and the thimble device 31, wherein the indexing device 32 can drive the spindle workpiece to rotate or position the spindle workpiece in an angle, and dynamic or static machining is provided. The power tool apron device 33 is arranged into a vertical machining structure, can move transversely and longitudinally relative to the rough workpiece, actively machines different positions of the workpiece, and has high machining flexibility and high machining precision.

In one embodiment, the rack 10 includes a rack body 13, a waste bin 11 disposed on the rack body 13, and a mounting portion 12 crossing the waste bin 11, wherein a mounting platform is disposed on top of the rack body 13, the mounting platform is disposed on a waste port 111, and the rack body 13 is provided with a rigid support structure for supporting the mounting platform. The clamping device 21 is fixed on the mounting platform of the frame body 13 and protrudes towards the upper side of the waste bin 11, and correspondingly, a main shaft workpiece clamped by the clamping device 21 is positioned above the waste bin 11, so that scraps generated by processing of the vertical tool rest assembly 22 directly fall into the waste bin 11. Preferably, the vertical blade carrier assembly 22 is slid onto the carrier body 13 to machine the spindle workpiece in a lengthwise direction, and preferably the scrap opening 111 has a length greater than or equal to the length of the blank to fully carry the scrap generated by the workpiece. Preferably, the frame body 13 is provided with a boss to which the slide rail is mounted.

As shown in fig. 1 to 5, the ejector pin device 31 and the index device 32 are disposed opposite to each other and are respectively fixed to the mounting platform, wherein a waste port 111 provided on the mounting platform is located below a processing area formed by the ejector pin device 31 and the index device 32. The mounting portion 12 spans across the scrap bin 11 to facilitate processing of workpieces and scrap collection. The powered tool holder assembly 33 is juxtaposed to the vertical tool post assembly 22 in a mounting platform to form a side-by-side configuration. In a preferred embodiment, two vertical blade carrier assemblies 22 are provided, and two vertical blade carrier assemblies 22 are respectively disposed on two sides of the clamping device 21. The two vertical tool rest assemblies 22 respectively process two sides of a workpiece fixed by the clamping device 21 so as to synchronously process, thereby improving the processing efficiency of the main shaft. And, the main shaft work piece passes clamping device 21 and constitutes balanced structure, improves the stability of processing.

In a preferred embodiment, the thimble device 31 is located between the indexing device 32 and the first station mechanism 20, the indexing device 32 is arranged at the tail end of the frame 10, the thimble device 31 is tightly pushed through extension and retraction, and the workpiece lifting assembly is flexible.

In one embodiment, the clamping device 21 includes a clamping base 211, an expanding sleeve assembly 212 mounted on the clamping base 211, and a driving assembly connected to the expanding sleeve assembly 212, wherein the driving assembly drives the expanding sleeve assembly 212 to clamp or unclamp a blank. The clamping holder 211 is a rigid structural member, for example, the clamping holder 211 may be cast to form a high strength structural member. Or the clamping seat 211 is welded and fixed through plates to form a frame structure. The expansion sleeve assembly 212 contracts and tightens to clamp the workpiece under the drive of the drive assembly, wherein the expansion sleeve assembly 212 comprises a conical sleeve structure which moves mutually so as to realize folding and clamping. The drive assembly may be provided as a hydraulic cylinder mechanism or as a screw drive arrangement.

In an alternative embodiment, the clamping holder 211 includes a base plate 2113 fixed to the frame 10, a post 2111 fixed to the base plate 2113, and a platform 2112, the height of the post 2111 being greater than the height of the platform 2112, the width of the platform 2112 being greater than the width of the post 2111, the platform 2112 extending away from the post 2111, and the expansion cuff assembly 212 being mounted to the post 2111. The clamping seat 211 is formed by combining a plurality of components, the bottom plate 2113 is arranged on the frame 10, the column body 2111 and the platform 2112 are independently processed and fixed, and the casting difficulty is reduced and the structural strength is improved by combining the column body 2111 and the platform 2112. The platform portion 2112 and the expansion sleeve assembly 212 are respectively disposed on two sides of the column portion 2111, wherein the platform portion 2112 can be provided with a cabinet structure such as an installation electrical cabinet or a control panel, so that the installation stability can be improved, and the existing space can be reused.

The expansion sleeve assembly 212 is mounted on the lateral side of the clamping seat 211 and protrudes to form a cantilever structure. The blank passes through the expansion sleeve assembly 212 and is expanded and fastened by the expansion sleeve assembly 212, so that the center of the blank is kept coincident with the center of the expansion sleeve assembly 212, and the lateral machining of the blank can be realized.

The vertical tool rest assemblies 22 are distributed on two sides of the clamping device 21 to respectively process two ends of the blank. The vertical tool rest assembly 22 comprises a tool rest seat 224 sliding on the frame 10, a power assembly 221 installed on the tool rest seat 224, an adjusting frame 222 sliding on the tool rest seat 224 and a tool row seat 223 installed on the adjusting frame 222, wherein the power assembly 221 is in driving connection with the adjusting frame 222, and the tool row seat 223 is used for installing a cutting tool. Preferably, the cutter row seat 223 is provided with a plurality of rows of mounting grooves, the length direction of which is parallel to the sliding direction of the adjustment frame 222, and the cutting tool adjusts the assembly height along the mounting grooves. The mounting groove is of a chute structure, and the cutting tool slides and locks along the mounting groove through a fastener or a tool to adapt to the mounting of tools with different specifications and the mounting and adjustment of tools with different forms.

As shown in fig. 1 to 5, the tool rest 224 and the frame 10 are slidably connected to the rail mechanism by a slider fixed to the bottom of the tool rest 224. The power assembly 221 may drive the adjustment frame 222 to slide along the frame seat 224 to bring the row of tool holders 223 at different machining heights to allow for adjustment of the cutting tool according to a program control or operator operation.

In one embodiment, the tool holder 224 includes an integrally formed casting frame 2241, two rows of slide blocks 2242 fixed at the bottom of the casting frame 2241, two parallel sliding rails are installed on the frame 10, the two rows of slide blocks 2242 are respectively disposed on the sliding rails corresponding to the sliding frames 333, and the power assembly 221 is installed on the casting frame 2241. The cast body frame 2241 has high structural strength and good structural stability in the integral structure formed by casting process. The slider set 2242 is provided with four sets and is mounted at the bottom of the casting body frame 2241, and the slider set 2242 slides on the slide rail to construct a sliding structure.

In one embodiment, the power assembly 221 includes a drive motor 228, a mounting frame 226 mounted to the casting frame 2241, and a lead screw nut pair 225, the drive motor 228 is mounted to the mounting frame 226, and an output shaft of the drive motor 228 is connected to the lead screw nut pair 225 within the mounting frame 226 via a coupling 227. The mounting frame 226 is of a rigid frame structure, four sides of the mounting frame 226 are of hollow structures, and the coupler 227 is arranged in the mounting frame 226 so as to facilitate overhead connection. The screw nut pair 225 is mounted to the casting frame 2241, and the connection end of the screw shaft protrudes toward the inside of the mounting frame 226 and is connected to the coupling 227. Optionally, the mounting frame 226 is fixed to the driving motor 228, and the mounting frame 226 is further mounted to the casting frame 2241, so that the screw nut pair 225 is coupled to the driving motor 228 through the coupling 227, thereby improving the convenience of assembly.

In one embodiment, the power tool holder device 33 includes a sliding base 332, a lifting assembly 331 fixed on the sliding base 332, a sliding frame 333 sliding along the sliding base 332, and a power tool rest assembly 334 mounted on the sliding base 332, wherein the lifting assembly 331 is in driving connection with the sliding frame 333, and the power tool rest assembly 334 is provided with two or more power tool bits, wherein one power tool bit cuts a rough workpiece. The sliding seat body 332 has a high structural strength and good structural stability in an integral structure formed by casting processing. Preferably, the sliding housing 332 is constructed identically to the cast housing 2241 to provide for a unified assembly for increased versatility.

The lifting component 331 may adopt a screw-nut pair 225 structure or a cylinder structure or a hydraulic cylinder structure to realize lifting movement. Preferably, the elevating assembly 331 is identical in structure to the power assembly 221. The power tool rest assembly 334 is mounted on the carriage 333 and can actively process rough workpieces, such as milling grooves, trimming edges, punching holes and the like, so that the machining process is different from that of the first station mechanism 20, and the indexing device 32 and the thimble device 31 are combined to construct the axial and end face machining of the workpieces, so that the machining effect is good.

Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This utility model is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.

It is to be understood that the utility model is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the utility model is limited only by the appended claims.

Claims

1. The milling main shaft composite machining equipment is characterized by comprising a frame, a first station mechanism and a second station mechanism, wherein the first station mechanism and the second station mechanism are arranged on the frame;

2. The milling machine main shaft composite machining device according to claim 1, wherein the clamping device comprises a clamping seat, an expanding sleeve assembly arranged on the clamping seat and a driving assembly connected with the expanding sleeve assembly, and the driving assembly drives the expanding sleeve assembly to clamp or loosen the blank.

3. The milling machine main shaft composite machining device according to claim 2, wherein the clamping seat comprises a bottom plate fixed to the frame, a column portion fixed to the bottom plate and a platform portion, the height of the column portion is larger than that of the platform portion, the width of the platform portion is larger than that of the column portion, the platform portion extends towards a direction away from the column portion, and the expansion sleeve assembly is mounted on the column portion.

4. The milling machine main shaft composite machining device according to claim 1, wherein the frame comprises a frame body, a waste bin arranged on the frame body and a mounting part crossing the waste bin, the clamping device is fixed on the frame body and protrudes towards the upper part of the waste bin, the vertical tool rest assembly slides on the frame body, the thimble device is mounted on the mounting part, and a machining area crossing the upper part of the waste bin is formed between the thimble device and the indexing device.

5. The milling machine main shaft composite machining device according to claim 4, wherein two vertical tool rest assemblies are arranged, and the two vertical tool rest assemblies are respectively distributed on two sides of the clamping device.

6. The milling machine main shaft composite machining device according to claim 4, wherein the vertical tool rest assembly comprises a tool rest base sliding on the frame, a power assembly installed on the tool rest base, an adjusting frame sliding on the tool rest base and a tool apron installed on the adjusting frame, wherein the power assembly is in driving connection with the adjusting frame, and the tool apron is used for installing a cutting tool.

7. The milling machine main shaft composite machining device according to claim 6, wherein the tool rest base comprises a cast body frame formed integrally and two rows of slide block groups fixed at the bottom of the cast body frame, the frame is provided with two slide rails arranged in parallel, the two rows of slide block groups are respectively correspondingly arranged on the slide rails in a sliding mode, and the power assembly is arranged on the cast body frame.

8. The milling machine main shaft composite machining device according to claim 7, wherein the power assembly comprises a driving motor, a mounting frame mounted on the casting frame and a screw nut pair, the driving motor is mounted on the mounting frame, and an output shaft of the driving motor is connected with the screw nut pair in the mounting frame through a coupler.

9. The milling machine main shaft compound machining device of claim 1, wherein the ejector pin device is located between the indexing device and the first station mechanism.

10. The milling machine main shaft composite machining device according to claim 1, wherein the power tool apron device comprises a sliding base body, a lifting assembly fixed on the sliding base body, a sliding frame sliding along the sliding base body, and a power tool rest assembly mounted on the sliding base body, wherein the lifting assembly is in driving connection with the sliding frame, and the power tool rest assembly is provided with two or more power tool bits, wherein one power tool bit cuts and machines the rough workpiece.