CN220534270U - Tool bit portion structure of optical head machine - Google Patents

Abstract

The utility model relates to a tool bit part structure of an optical head machine, which comprises a shell head, a first tool bit and a plurality of second tool bits, wherein the first tool bit and each second tool bit are provided with an outer tool net, an inner cutter disc, a tool net seat and a floating frame; the cutter head II is provided with a cutter mesh seat which can swing and is arranged on the shell head, the outer cutter mesh can axially float relative to the cutter mesh seat, and the floating frame comprises a support II, an elastic floating arm II A connected below the support II and an elastic floating arm II B connected outside the support II, wherein the free end of the elastic floating arm II A is supported on the shell head, and the elastic force of the outer cutter mesh and the cutter mesh seat during floating is provided; the elastic floating arm B is propped against the outer cutter net to provide elasticity for the outer cutter net during floating. The hair trimming effect is good, the hair trimming device is attached to the head shape when in use, and the floating frame can be independently replaced.

Description

Tool bit portion structure of optical head machine

Technical Field

The utility model relates to the technical field of hair repair, in particular to a cutter head structure of an optical head machine.

Background

Hair clippers are a tool for trimming and decorating hair, and in modern families, hair clippers are fashionable, and in general, in public awareness, hair clippers need to go to a barbershop, and in abroad, consumers not only go to barbershop and get to shape, but also purchase a family hair clipper to cut hair for their families. To meet the shaving head needs, there is a market for a head machine that can be used for both shaving and shaving. The optical head machine is of a multi-head structure and is provided with a first cutter head positioned in the middle and a plurality of second cutter heads distributed on one periphery of the cutter heads, the head machine is of a fitting head type, hair is convenient to remove, and the first cutter head and the second cutter heads can be matched to form a concave fitting repair surface.

The utility model patent CN218476728U is found to be structurally similar to the utility model through searching, the shaver comprises a shaver head and a shaver head connecting seat, the shaver head bottom end is connected with the shaver head connecting seat, the shaver head comprises a bottom shell and a top cover, the bottom shell is a cavity with an opening, a cover plate is covered at the opening, a transmission mechanism is arranged in the cavity, a main rotating shaft on the transmission mechanism penetrates through the cover plate and is arranged in the center of the cover plate, the main rotating shaft is connected with a central cutting unit, a mounting hole is formed in the center of the top cover, a central cover is arranged on the mounting hole, the central cover is in sliding joint with the mounting hole, the central cutting unit is arranged in the central cover and the top cover, a suspension frame is arranged on the cover plate, the suspension frame comprises a first support, a first spring is arranged between the first support and the central cutting unit and the central cover and floats in the mounting hole, the suspension frame further comprises a plurality of elastic supports, the elastic supports and the first support are integrally formed, the elastic supports comprise a second support, a through hole is arranged in the middle of the second support, the second support is arranged in the first support and the first support is far away from the first support and extends to the first support and is arranged in the suspension frame and is arranged at the suspension frame and is far away from the first end face of the first support and is fixed in the suspension frame. The first cutting unit realizes multidirectional floating through the suspension frame, and the central cutting unit can also float synchronously. The shaver structure has the following defects: the plurality of tool bits are only provided with one suspension frame, and because the suspension frame is formed by integrating the elastic support and the first support, the tool bit suspension frame acts on each first cutting unit simultaneously, and when one suspension arm is damaged, the whole suspension frame needs to be replaced, and the maintenance cost is high.

Disclosure of Invention

The purpose of the utility model is that: in order to overcome the defects of the prior art, the utility model provides a cutter head structure of an optical head machine, which has good hair trimming effect, is attached to a head shape when in use, and can be independently replaced.

The technical scheme of the utility model is as follows: the head structure of the optical head machine comprises a shell head, a first head positioned in the middle of the shell head and a plurality of second heads distributed on one periphery of the heads, wherein the first head and each second head are provided with an outer cutter net and an inner cutter, the inner cutter rotates to cut hair in cooperation with the outer cutter net, the first head and each second head are respectively and independently provided with a cutter net seat and a floating frame, the outer cutter net is arranged on the cutter net seat, the floating frame directly or indirectly acts on the outer cutter net and the cutter net seat, the cutter net seat is arranged on the shell head in a floating way, the first heads correspond to the outer cutter net, the first inner cutter, the cutter net seat and the floating frame, the second heads correspond to the outer cutter net, the second inner cutter, the cutter net seat and the floating frame,

in the first cutter head, the first cutter net seat can float up and down and is arranged on the shell head, the first floating frame comprises a first support and an elastic floating arm I on the first support, the first support is connected with the first outer cutter net and the first cutter net seat for positioning, and the free end of the first elastic floating arm is downwards supported on the shell head and can provide elasticity for the first outer cutter net and the first cutter net seat when floating up and down;

the cutter head II is arranged on the shell head in a swinging way, the outer cutter net II can also axially float relative to the cutter net seat II, the floating frame II comprises a support II, an elastic floating arm II A connected below the support II and an elastic floating arm II B connected outside the support II, the support II is directly or indirectly connected and positioned with the cutter net seat II, and the free end of the elastic floating arm II A is supported on the shell head and can provide elasticity for the outer cutter net II and the cutter net seat II during floating; the elastic floating arm B is propped against the outer cutter net and can provide elastic force for the outer cutter net B during floating.

Specifically, the utility model further provides that: the support of the first floating frame in the first cutter head is pressed against the first cutter mesh seat once the outer cutter mesh is arranged, and the second floating frame of the second cutter head is connected with the second cutter mesh seat in a buckling manner.

By adopting the technical scheme: each cutter head is independently provided with a cutter net seat and a floating frame, wherein one floating frame is damaged and is independently replaced.

When the tool is used, the first tool bit at the center can provide elasticity when floating up and down through the compression deformation of the first elastic floating arm of the center floating frame, and particularly the tool net seat and the tool net float up and down synchronously; the elastic floating arm II A of the floating frame can be pressed and deformed to provide elasticity when the cutter head II swings and floats, particularly the cutter mesh seat and the cutter mesh synchronously swing and float, the cutter mesh of the cutter head II can also float independently, the elastic floating arm II B is propped against the outer cutter mesh, and elasticity is provided when the outer cutter mesh floats relative to the cutter mesh seat, so that the floating effect is good. Therefore, the multi-cutter head can be more attached to the head, the shaving head is more comfortable, hair can be effectively shaved, hair can be thoroughly shaved, and no residue is caused.

Still further, the present utility model provides: the second knife net seat of each second knife head can swing inwards and outwards around the axis of each shaft post, the first knife net seat of each first knife head is provided with an outer edge I positioned on the periphery of the shell head, the second knife net seat of each second knife head is provided with an outer edge II positioned on the inner side of the shell head, the outer edge I of the central knife net seat extends to the upper part of the outer edge II of the inner side of the peripheral knife net seat,

when the first knife net seat of the first knife head floats downwards, the inner outer edge of each peripheral knife net seat is pressed downwards by the first peripheral edge of the central knife net seat so as to drive each second knife head on the peripheral side to swing inwards to present a furled state,

or when the first knife net seat of the first knife head floats upwards, the second knife net seat of each peripheral knife head is driven by the respective floating frame to swing outwards to present an open state.

By adopting the technical scheme: when the first cutter head is matched with the second cutter head, the first cutter head is pressed by the first protrusion, the cutter mesh seat of the first cutter head floats downwards, and the outer edge of the periphery of the first cutter mesh seat of the center presses the inner outer edge of each periphery cutter mesh seat downwards so as to drive each second cutter head on the periphery to swing inwards to present a furled state, so that the first cutter head is attached to the protruding head, and shaving is facilitated;

when repairing the plane or the concave surface, the first knife net seat of the first knife head is not extruded and floats upwards, and the second knife net seat of each peripheral knife head is driven by the corresponding floating frame II to swing outwards to present an open state, so that hair is conveniently removed.

Still further, the present utility model provides: the free end of the elastic floating arm II A of each cutter head II extends towards the middle of the shell head, and the elastic floating arm II A is symmetrically arranged on two sides of the support II.

By adopting the technical scheme: the free ends of the elastic floating arms II A extend towards the middle of the shell head, so that the action of the elastic floating arms II A drives the support II to swing outwards; and the two sides of the second support are symmetrically provided with the elastic floating arms II A, so that the second support swings stably.

Still further, the present utility model provides: the shell head is provided with a movable channel corresponding to each cutter head, the first cutter mesh seat of the first cutter head can float up and down and is arranged in the central movable channel, the second cutter mesh seat of the second cutter head can swing inside and outside and is arranged in the peripheral movable channel, the inner wall of each peripheral movable channel is provided with a shaft column, the outer wall of the second cutter mesh seat of the second cutter head is provided with a shaft hole for inserting the shaft column, the shaft hole also extends in the circumferential direction and is provided with a long hole, and the lower part of the outer wall of the cutter mesh seat corresponding to the shaft hole and/or the upper part of the shaft column is provided with an inclined guide surface which can guide the shaft column relatively upwards into the shaft hole.

By adopting the technical scheme: the cutter mesh seat II of the cutter head II is arranged on the axle post, when the cutter mesh seat II is arranged, the guide surface can guide the axle post relatively upwards into the axle hole, and before the axle post slides in, the cutter mesh seat II is convenient for the cutter mesh seat to be deformed inwards by the extrusion of the axle post due to the arrangement of the long hole so as to be inserted into the axle hole by the axle post.

Still further, the present utility model provides: the floating frame II of the cutter head II also comprises a support II B positioned on the outer ring of the support II, the support II is connected with the support II through a plurality of connecting arms, the support II is connected with the cutter mesh seat through the support II B, an elastic floating arm II B is formed between at least two connecting arms on the support II, the elastic floating arm II is spaced from the support II of the inner ring through a through hole, and the elastic floating arm II is thinned relative to the support II or made of an elastic material.

By adopting the technical scheme: the elastic floating arm B is simple in forming structure, and is thinned relative to the support B, and compared with other parts of the support B, the elastic floating arm B is convenient to be pressed and deformed; the elastic floating arm B is formed by directly adopting an elastic material and the support B in an integral injection molding way, so that elasticity is provided, and the processing is convenient.

Still further, the present utility model provides: a supporting arm is arranged between the elastic floating arm II B and the outer cutter net, so that the outer cutter net has a certain movable space from the outer cutter net to the support II B.

By adopting the technical scheme: the arrangement of the supporting arm prevents the outer cutter net from contacting with other parts of the second support seat B, and provides a movable space for the outer cutter net.

Still further, the present utility model provides: and a plurality of elastic floating arms I are arranged on the circumference of the support I.

By adopting the technical scheme: the plurality of elastic floating arms are supported stably.

Still further, the present utility model provides: a plurality of through grooves are formed in the periphery of the support at intervals, and the elastic floating arm I is integrally connected to the inner side wall of each through groove.

By adopting the technical scheme: the first elastic floating arm can be formed by the hollow part of the through groove of the first support, and the forming is convenient.

Still further, the present utility model provides: the shell head comprises a base and a tray seat arranged above the base, movable channels with through upper and lower ends are arranged on the tray seat corresponding to the cutter heads, bosses are extended on the inner walls of the bottoms of the movable channels, the bosses of the central movable channels are propped against the free ends of the elastic floating arms I, and the bosses of the peripheral movable channels are propped against the free ends of the elastic floating arms II A.

By adopting the technical scheme: the boss is convenient to form, and the elastic floating arm below the boss is convenient to prop against.

Drawings

FIG. 1 is a block diagram of an embodiment of the present utility model;

FIG. 2 is an exploded view of an embodiment of the present utility model;

FIG. 3 is an internal block diagram of an embodiment of the present utility model;

FIG. 4 is an enlarged view of a portion I of FIG. 3;

FIG. 5 is a block diagram of a shell head in an embodiment of the utility model;

FIG. 6 is a block diagram of a first tool bit in accordance with one embodiment of the utility model;

FIG. 7 is an exploded view of a first tool tip according to one embodiment of the present utility model;

FIG. 8 is a block diagram of a floating frame for a first bit in accordance with an embodiment of the present utility model;

FIG. 9 is a block diagram of a second tool bit in accordance with one embodiment of the utility model;

FIG. 10 is an exploded view of a second tool tip according to one embodiment of the present utility model;

FIG. 11 is a diagram showing the cooperation of the floating frame of the second cutter head and the outer cutter mesh according to an embodiment of the present utility model;

FIG. 12 is a block diagram of a floating frame for a second tool bit in accordance with one embodiment of the utility model.

Detailed Description

The technical solutions of the present embodiment will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-12, the head structure of the optical head machine of the present utility model comprises a shell head 1, a first head 2 positioned in the middle of the shell head 1, and a plurality of second heads 3 distributed on the circumference of the first head 2, wherein the first head 2 and each second head 3 are provided with an outer cutter mesh and an inner cutter, the inner cutter rotates to match with the outer cutter mesh to cut hair, the first head 2 and each second head 3 are respectively and independently provided with a cutter mesh seat and a floating frame, the outer cutter mesh is arranged on the cutter mesh seat, the floating frame directly or indirectly acts on the outer cutter mesh and the cutter mesh seat, the cutter mesh seat is arranged on the shell head 1 in a floating manner, wherein the first head 2 corresponds to the first outer cutter mesh 21, the first inner cutter 22, the first cutter mesh seat 23 and the floating frame 24, the second head 3 corresponds to the second outer cutter mesh 31, the second inner cutter mesh 32, the second cutter mesh seat 33 and the floating frame 34,

in the first cutter head 2, the first cutter mesh seat 23 is arranged on the shell head 1 in a vertically floating manner, the first floating frame 24 comprises a first support 241 and an elastic floating arm 242 on the first support 241, the first support 241 is connected with the first outer cutter mesh 21 and the first cutter mesh seat 23 for positioning, and the free end of the elastic floating arm 242 is supported downwards on the shell head 1 and can provide elasticity for the first outer cutter mesh 21 and the first cutter mesh seat 23 when floating vertically;

in the second cutter head 3, the second cutter mesh seat 33 is arranged on the shell head 1 in a swinging way, the second outer cutter mesh 31 can also float relative to the second cutter mesh seat 33 in the axial direction, the second floating frame 34 comprises a second support 341, an elastic floating arm A342 connected below the second support 341 and an elastic floating arm B343 connected outside the second support 341, the second support 341 and the second cutter mesh seat 33 are directly or indirectly connected and positioned, and the free end of the elastic floating arm A342 is supported on the shell head 1 and can provide elastic force for the second outer cutter mesh 31 and the second cutter mesh seat 33 during floating; the elastic floating arm B343 is propped against the outer cutter net II 31 and can provide elastic force for the outer cutter net II 31 during floating.

Specifically, the utility model further provides that: the first support 241 of the first floating frame 24 in the first cutter head 2 is propped against the first cutter mesh seat 23 through the first outer cutter mesh 21, and the second floating frame 34 of the second cutter head 3 is in buckling connection with the first cutter mesh seat 23.

Specifically, the floating frame two 34 of the second cutter head 3 further includes a second support seat B345 located on an outer ring of the second support seat 341, the second support seat 341 is connected with the second support seat B345 through a plurality of connecting arms 346, the second support seat 341 is connected with the second cutter mesh seat 33 through the second support seat B345, the second elastic floating arm B343 is formed between at least two connecting arms 346 on the second support seat B345, the second elastic floating arm B343 is spaced from the second support seat 341 of the inner ring through a through hole 347, and the second elastic floating arm B343 is thinned relative to the second support seat B345 or made of an elastic material.

Specifically, a supporting arm 348 is disposed between the elastic floating arm B343 and the outer cutter mesh B31, so that the outer cutter mesh B31 and the support B345 have a certain moving space.

Specifically, the first support 241 has a plurality of first elastic floating arms 242 circumferentially.

Specifically, a plurality of through grooves 2411 are circumferentially arranged at intervals on the first support 241, and an inner side wall of each through groove 2411 is integrally connected with the first elastic floating arm 242.

Specifically, the shell head 1 includes a base 1A and a tray 1B mounted above the base 1A, the tray 1B has a movable channel 11 corresponding to each cutter head and having a through upper and lower end, a boss 111 extends on an inner wall of a bottom of each movable channel 11, the boss 111 of the central movable channel 11 is abutted against a free end of the elastic floating arm one 242, and the boss 111 of the peripheral movable channel 11 is abutted against a free end of the elastic floating arm two a342. A cutterhead driving mechanism, in particular a gear drive, is also arranged in the chamber between the collet 1A and the tray 1B, the transmission mode being disclosed in CN 218476728U.

The cutter head structure of the utility model comprises: each cutter head is independently provided with a cutter net seat and a floating frame, wherein one floating frame is damaged and is independently replaced.

When in use, the first central cutter head 2 can realize the elastic force when floating up and down through the compression deformation of the first elastic floating arm 242 of the first central floating frame 24, and particularly the first cutter mesh seat 23 and the first outer cutter mesh 21 float up and down synchronously; the second cutter head 3 on the peripheral side can provide elasticity when swinging and floating through the compression deformation of the second elastic floating arm A342 of the second floating frame 34, specifically, the second cutter mesh seat 33 and the second outer cutter mesh 31 swing and float synchronously, the second outer cutter mesh 31 of the second cutter head 3 can also float independently, the second elastic floating arm B343 is propped against the second outer cutter mesh 31, and elasticity is provided when the second outer cutter mesh 31 floats relative to the second cutter mesh seat 33, so that the floating effect is good. Therefore, the multi-cutter head can be more attached to the head, the shaving head is more comfortable, hair can be effectively shaved, hair can be thoroughly shaved, and no residue is caused.

By adopting the technical scheme: the elastic floating arm B343 is simple in forming structure, the elastic floating arm B343 is thinned relative to the support B345, and the elastic floating arm B343 is easier to be pressed and deformed than other parts of the support B345; the elastic floating arm B343 or the elastic material and the support B345 are directly integrally injection molded, so that the elastic force is provided, and the processing is convenient.

By adopting the technical scheme: the support arm 348 is provided to prevent the second outer wire 31 from contacting the rest of the second support block B345, providing room for the second outer wire 31 to move.

In the embodiment of the utility model, the second cutter mesh seat 33 of each second cutter head 3 can swing inwards and outwards around the axis of the corresponding shaft post 4, the first cutter mesh seat 23 of the first cutter head 2 is provided with an outer edge 231 in the circumferential direction of the outer side of the shell head 1, the second cutter mesh seat 33 of each second cutter head 3 is provided with an outer edge 331 on the inner side of the outer side of the shell head 1, the outer edge 231 of the first center cutter mesh seat 23 extends to the upper part of the outer edge 331 of the inner side of the second peripheral cutter mesh seat 33,

when the first cutter mesh seat 23 of the first cutter head 2 floats downwards, the inner outer edge 331 of the second cutter mesh seat 33 on the peripheral side is pressed downwards by the first outer edge 231 of the peripheral ring of the first cutter mesh seat 23 so as to drive the second cutter heads 3 on the peripheral side to swing inwards to present a furled state,

or when the first cutter mesh seat 23 of the first cutter head 2 floats upwards, the second cutter mesh seat 33 of each peripheral cutter head 3 is driven to swing outwards by the corresponding second floating frame 34 to present an open state.

Still further, the present utility model provides: the free ends of the elastic floating arms A342 of the cutter heads II 3 extend towards the middle of the shell head 1, and the elastic floating arms A342 are symmetrically arranged on two sides of the support seat II 341.

Still further, the present utility model provides: the shell head 1 is provided with a movable channel 11 corresponding to each cutter head, a first cutter mesh seat 23 of the first cutter head 2 is arranged in the central movable channel 11 in a vertically floating mode, a second cutter mesh seat 33 of the second cutter head 3 is arranged in the peripheral movable channel 11 in an inner and outer swinging mode, the inner wall of each peripheral movable channel 11 is provided with a shaft post 4, the outer wall of the second cutter mesh seat 33 of the second cutter head 3 is provided with a shaft hole 332 for inserting the shaft post 4, the shaft hole 332 also extends in the circumferential direction, the outer wall of the second cutter mesh seat 33 is provided with an inclined guide surface A corresponding to the lower portion of the shaft hole 332 and/or the upper portion of the shaft post 4, and the shaft post 4 can be guided into the shaft hole 332 relatively upwards.

The cutter head I2 and the cutter head II 3 can be matched for use, when the cutter head I2 is extruded by the head type bulge, the cutter mesh seat I23 of the cutter head I2 floats downwards, and at the moment, the outer edge I231 of the circumference of the center cutter mesh seat I23 downwards pushes the inner side outer edge II 331 of each circumference side cutter mesh seat II 33 so as to drive each cutter head II 3 at the circumference side to swing inwards to present a furled state, so that the cutter head I is attached to the bulge head type, and the razor is convenient for shaving;

when repairing the plane or concave surface, the first cutter mesh seat 23 of the first cutter head 2 is not extruded and floats upwards, and the second cutter mesh seat 33 of each peripheral cutter head 3 is driven by the corresponding second floating frame 34 to swing outwards to present an open state, so that hair is conveniently removed.

By adopting the technical scheme: the free ends of the elastic floating arms II A342 extend towards the middle of the shell head 1, so that the action of the elastic floating arms II A342 can drive the support II 341 to swing outwards; the two sides of the second support 341 are symmetrically provided with the second elastic floating arm A342, so that the second support 341 swings stably.

By adopting the technical scheme: the second cutter mesh seat 33 of the second cutter head 3 is arranged on the axle post 4, when the cutter mesh seat is arranged, the guide surface A can guide the axle post 4 relatively upwards into the axle hole 332, and before the axle post 4 slides in, the second cutter mesh seat 33 is convenient for deformation inwards due to the extrusion of the axle post 4 due to the arrangement of the long hole 333, so that the axle post 4 can be inserted into the axle hole 332.

It should be noted that all directional indications (such as up, down, front, and rear … …) in the description of the present utility model are merely for explaining the relative positional relationship, movement, etc. between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. In the description of the present utility model, "a number" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "coupled," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. 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.

Claims (10)

1. The utility model provides a tool bit portion structure of optical head machine, includes shell head (1), is located tool bit one (2) in the middle of shell head (1) and a plurality of tool bit two (3) that set up at tool bit one (2) week side distribution, and tool bit one (2) and each tool bit two (3) have outer cutter net and interior blade disc, and interior blade disc rotates and can cut hair its characterized in that with outer cutter net cooperation: the cutter head I (2) and each cutter head II (3) are respectively and independently provided with a cutter mesh seat and a floating frame, the outer cutter mesh is arranged on the cutter mesh seat, the floating frame directly or indirectly acts on the outer cutter mesh and the cutter mesh seat, the cutter mesh seat is arranged on the shell head (1) in a floating way, wherein the cutter head I (2) corresponds to the outer cutter mesh I (21), the inner cutter head I (22), the cutter mesh seat I (23) and the floating frame I (24), the cutter head II (3) corresponds to the outer cutter mesh II (31), the inner cutter head II (32), the cutter mesh seat II (33) and the floating frame II (34),

in the first cutter head (2), the first cutter mesh seat (23) is arranged on the shell head (1) in a vertically floating manner, the first floating frame (24) comprises a first support (241) and an elastic floating arm (242) on the first support (241), the first support (241) is connected with the first outer cutter mesh (21) and the first cutter mesh seat (23) for positioning, and the free end of the elastic floating arm (242) is supported on the shell head (1) downwards and can provide elastic force for the first outer cutter mesh (21) and the first cutter mesh seat (23) in a vertically floating manner;

in the cutter head II (3), the cutter mesh seat II (33) is arranged on the shell head (1) in a swinging way, the outer cutter mesh II (31) can also axially float relative to the cutter mesh seat II (33), the floating frame II (34) comprises a support II (341), an elastic floating arm II A (342) connected below the support II (341) and an elastic floating arm II B (343) connected with the side edge of the support II (341), the support II (341) is directly or indirectly connected and positioned with the cutter mesh seat II (33), and the free end of the elastic floating arm II A (342) is supported on the shell head (1) and can provide elastic force for the outer cutter mesh II (31) and the cutter mesh seat II (33) during floating; the elastic floating arm B (343) is propped against the outer cutter net II (31) and can provide elastic force for the outer cutter net II (31) during floating.

2. The head structure of an optical head machine according to claim 1, wherein: the knife net seat II (33) of each knife head II (3) can swing inwards and outwards around the axis of the corresponding shaft post (4), the knife net seat I (23) of the knife head I (2) is circumferentially provided with an outer edge I (231), the inner side of the knife net seat II (33) of each knife head II (3) is provided with an outer edge II (331), the outer edge I (231) of the center knife net seat I (23) extends to the upper part of the outer edge II (331) of the inner side of the peripheral knife net seat II (33),

when the first knife net seat (23) of the first knife head (2) floats downwards, the inner outer edge (331) of the second knife net seat (33) at each periphery is pressed downwards by the first outer edge (231) of the periphery of the first knife net seat (23) to drive the second knife heads (3) at each periphery to swing inwards to present a furled state,

or when the first cutter mesh seat (23) of the first cutter head (2) floats upwards, the second cutter mesh seat (33) of each peripheral cutter head (3) is driven to swing outwards by the corresponding second floating frame (34) to present an open state.

3. The head structure of an optical head machine according to claim 2, wherein: the free ends of the elastic floating arms A (342) of the tool bits II (3) extend towards the middle of the shell head (1), and the elastic floating arms A (342) are symmetrically arranged on two sides of the support II (341).

4. The head structure of an optical head machine according to claim 2, wherein: the cutter mesh seat I (23) of the cutter head I (2) can vertically float and is arranged in the central movable channel (11), the cutter mesh seat II (33) of the cutter head II (3) can internally and externally swing and is arranged in the peripheral movable channel (11), the shaft posts (4) are arranged on the inner wall of each peripheral movable channel (11), the shaft holes (332) for inserting the shaft posts (4) are formed in the outer wall of the cutter mesh seat II (33) of the cutter head II (3), long holes (333) are formed in the shaft holes (332) in a circumferential direction in an extending mode, and inclined guide surfaces (A) are formed in the lower parts of the shaft holes (332) corresponding to the outer walls of the cutter mesh seat II (33) and/or the upper parts of the shaft posts (4) and can guide the shaft posts (4) relatively upwards.

5. The head structure of an optical head machine according to claim 1 or 2 or 3 or 4, wherein: the floating frame II (34) of the cutter head II (3) further comprises a support II B (345) positioned on the outer ring of the support II (341), the support II (341) is connected with the support II B (345) through a plurality of connecting arms (346), the support II (341) is connected with the cutter mesh seat II (33) through the support II B (345), the elastic floating arm II (343) is formed between at least two connecting arms (346) on the support II B (345), the elastic floating arm II (343) is spaced from the support II (341) of the inner ring through a through hole (347), and the elastic floating arm II (343) is thinned relative to the support II B (345) or is made of an elastic material.

6. The head structure of an optical head according to claim 5, wherein: a supporting arm (348) is arranged between the elastic floating arm B (343) and the outer cutter net II (31), so that a certain movable space is reserved between the outer cutter net II (31) and the support B (345).

7. The head structure of an optical head machine according to claim 1 or 2 or 3 or 4, wherein: and a plurality of elastic floating arms (242) in the circumferential direction of the first support (241).

8. The head structure of an optical head according to claim 7, wherein: a plurality of through grooves (2411) are formed in the first support (241) at intervals in the circumferential direction, and the elastic floating arm (242) is integrally connected to one inner side wall of each through groove (2411).

9. The head structure of an optical head machine according to claim 1 or 2 or 3 or 4, wherein: the shell head (1) comprises a bottom support (1A) and a tray seat (1B) arranged above the bottom support (1A), wherein the tray seat (1B) is provided with movable channels (11) with through upper and lower ends corresponding to each cutter head, bosses (111) are extended on the inner walls of the bottoms of the movable channels (11), the free ends of elastic floating arms I (242) are supported by the bosses (111) of the central movable channels (11), and the free ends of elastic floating arms II A (342) are supported by the bosses (111) of the peripheral movable channels (11).

10. The head structure of an optical head machine according to claim 1 or 2 or 3 or 4, wherein: the first support (241) of the first floating frame (24) in the first cutter head (2) is propped against the first cutter mesh seat (23) through the first outer cutter mesh (21), and the second floating frame (34) of the second cutter head (3) is in buckling connection with the first cutter mesh seat (23).