CN217669569U

CN217669569U - Fly-cutting structure convenient for replacing blade

Info

Publication number: CN217669569U
Application number: CN202222013598.0U
Authority: CN
Inventors: 王山峰; 刘展
Original assignee: Nantong Plass New Material Technology Co ltd
Current assignee: Nantong Plass New Material Technology Co ltd
Priority date: 2022-08-01
Filing date: 2022-08-01
Publication date: 2022-10-28
Anticipated expiration: 2032-08-01

Abstract

The utility model relates to the field of PVC films, in particular to a fly-cutting structure convenient for replacing a blade, which comprises a support rod, wherein a connecting part is arranged on the support rod and used for connecting a shell, and a moving part, a clamping part, an extrusion part and a blade body are arranged in the shell; a moving part for controlling the movement of the clamping part; a clamping part for pre-clamping the blade body; and the extruding part is used for extruding the clamping part so as to ensure that the clamping part clamps and positions the blade body. The utility model discloses an add clamping part, extrusion portion and removal portion etc. control removal portion, drive the clamping part and stretch out the casing, take out and more renew the blade with the old blade on the clamping part, control removal portion drives the clamping part and moves back, and extrusion portion makes splint one and splint two to tightly the centre gripping fixed to new blade, and it is comparatively convenient to change the blade, operates comparatively simply.

Description

Fly-cutting structure convenient for replacing blade

Technical Field

The utility model relates to a PVC film technical field, concretely relates to make things convenient for flying of changing blade to cut structure.

Background

The PVC film mainly comprises polyvinyl chloride, and other components are added to enhance the heat resistance, toughness, ductility and the like of the PVC film. It is a synthetic material that is enjoyed, popular and widely used in the world today. The global use of PVC film is second in various synthetic materials.

The patent of publication No. CN207142433U discloses a structure of cutting that plastic film machine was used, and it includes that both ends are used for fixing the bracing piece in plastic film machine's the frame and slide a plurality of minutes cutters that set up on the bracing piece, minute cutter including be used for with bracing piece sliding connection's blade holder, detachable install the blade on the blade holder lower part and rotate the mount that sets up on the blade holder and be used for preventing the rotation of tool holder, the bottom of blade set up towards the place ahead slope.

The structure of cutting that film machine was used among the prior art adopts screw bolt and nut to fix the blade on the cutter mounting bracket mostly, and the staff of being not convenient for changes the blade, and the operation is comparatively loaded down with trivial details. Therefore, a fly-cutting structure facilitating blade replacement is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a flying of conveniently changing the blade and cutting the structure, overcome the not enough of prior art, reasonable in design, compact structure, the effectual problem of mentioning in the above-mentioned background of having solved.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the fly-cutting structure convenient for replacing the blade comprises a supporting rod, wherein a connecting part is arranged on the supporting rod and used for connecting a shell, and a moving part, a clamping part, an extruding part and a blade body are arranged in the shell;

the moving part is used for controlling the movement of the clamping part; the clamping part is used for pre-clamping the blade body; the extrusion part is used for extruding the clamping part so as to ensure that the clamping part clamps and positions the blade body;

the clamping part comprises a moving plate, the bottom end of the moving plate is provided with a sliding chute, two sliding blocks are connected in the sliding chute in a sliding mode, a spring is fixed between the outer end of each sliding block and the inner wall of the sliding chute, a first clamping plate is fixed at the bottom end of one sliding block, and a second clamping plate is fixed at the bottom end of the other sliding block;

the extrusion part comprises semi-cylindrical extrusion blocks symmetrically fixed on the inner wall of the shell, and the inner ends of the two extrusion blocks are provided with notches for the moving plate to pass through.

Preferably, the connecting part comprises a support sleeve which is slidably connected to the support rod, the support sleeve and the support rod are locked by a locking screw, a connecting block is fixed at the outer end of the support sleeve, and the other end of the connecting block is fixed with the shell.

Preferably, the moving part comprises a screw rod which is rotatably connected to the center of the top end of the moving plate, the top end of the screw rod is in threaded connection with the top wall of the shell and extends out, and a rotating handle is fixed at the extending end of the screw rod; a limit group is arranged between the moving plate and the inner wall of the shell to prevent the moving plate from deflecting.

Preferably, the limiting group comprises a limiting cylinder fixed on the top wall of the shell, a limiting column is connected in the limiting cylinder in a sliding mode, and the bottom end of the limiting column extends out of the limiting cylinder and is fixed with the top end of the movable plate.

Preferably, two limiting lugs are fixed at the inner end of the second clamping plate, and two limiting holes are formed in the upper part of the blade body corresponding to the two limiting lugs; the protruding length of the limiting bump is smaller than the thickness of the blade body.

Preferably, the positions, close to the outer sides, of the top ends of the first clamping plate and the second clamping plate are both arc surfaces.

(III) advantageous effects

The embodiment of the utility model provides a conveniently change flying of blade and cut structure possesses following beneficial effect:

1. the clamping part, the extruding part, the moving part and the like are added, the moving part is controlled to drive the clamping part to extend out of the shell, an old blade on the clamping part is taken out and replaced by a new blade, the moving part is controlled to drive the clamping part to move back, the extruding part enables the first clamping plate and the second clamping plate to tightly clamp and fix the new blades, the blades are convenient to replace, and the operation is simple;

2. through adding two spacing lugs and two spacing holes, prevent that the blade body from taking place to deflect when the cutting, improved the stability of blade body when the cutting.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of another perspective structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the housing of the present invention;

FIG. 4 is a schematic view of the blade structure of the present invention;

fig. 5 is an exploded view of the first and second clamping plates of the present invention.

In the figure: the cutting tool comprises a shell 1, a connecting block 2, a supporting sleeve 3, a locking screw 4, an extrusion block 5, a notch 6, a moving plate 7, a screw 8, a rotating handle 9, a limiting column 10, a limiting barrel 11, a sliding groove 12, a sliding block 13, a spring 14, a clamping plate I15, a clamping plate II 16, a limiting lug 17, a blade body 18, a limiting hole 19 and a supporting rod 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1-5, the fly-cutting structure convenient for replacing the blade comprises a support rod 20, wherein a connecting part is arranged on the support rod 20 and used for connecting a shell 1, and a moving part, a clamping part, an extruding part and a blade body 18 are arranged in the shell 1;

the moving part is used for controlling the movement of the clamping part, and the clamping part can be controlled to extend out of the bottom of the shell 1, so that a worker can conveniently install the blade body 18 on the clamping part; a clamping portion for pre-clamping the blade body 18 to ensure that the blade body 18 does not fall off the clamping portion; the extrusion part is used for extruding the clamping part so as to ensure that the clamping part clamps and positions the blade body 18, so that the blade body 18 is tightly clamped, and the blade body 18 is prevented from shaking during cutting to influence the cutting effect;

the clamping part comprises a moving plate 7, the bottom end of the moving plate 7 is provided with a sliding chute 12, two sliding blocks 13 are connected in the sliding chute 12 in a sliding mode, springs 14 are fixed between the outer ends of the two sliding blocks 13 and the inner wall of the sliding chute 12, a first clamping plate 15 is fixed at the bottom end of one sliding block 13, and a second clamping plate 16 is fixed at the bottom end of the other sliding block 13; the positions, close to the outer sides, of the top ends of the first clamping plate 15 and the second clamping plate 16 are both arc surfaces; the chute 12 is an i-shaped chute.

The extrusion portion comprises semi-cylindrical extrusion blocks 5 symmetrically fixed on the inner wall of the shell 1, and notches 6 are formed in the inner ends of the two extrusion blocks 5 and used for the moving plate 7 to penetrate through.

In conclusion, when the blade body 18 needs to be replaced, the moving portion is controlled to drive the clamping portion to extend out of the bottom end of the housing 1, a worker pulls the first clamping plate 15 outwards, after an old blade is taken out, the new blade body 18 is placed between the first clamping plate 15 and the second clamping plate 16, the sliding block 13 and the first clamping plate 15 on the sliding block are driven to move towards the second clamping plate 16 under the action of the elastic force of the spring 14, so that the new blade body 18 is clamped between the first clamping plate 15 and the second clamping plate 16 in advance, the moving portion is controlled to drive the clamping portion and the new blade body 18 to move back and extend into the housing 1, and in the moving process, the pressing blocks 5 on the two sides simultaneously press the first clamping plate 15 and the second clamping plate 16 inwards, so that the first clamping plate 15 and the second clamping plate 16 tightly clamp and fix the new blade body 18, and replacement of the blade is convenient and simple to operate.

In this embodiment, the connecting portion includes a support sleeve 3 slidably connected to the support rod 20, the support sleeve 3 and the support rod 20 are locked by a locking screw 4, a connection block 2 is fixed to an outer end of the support sleeve 3, and the other end of the connection block 2 is fixed to the housing 1. The position of the support sleeve 3 on the support rod 20 can be adjusted through the locking screw 4 so as to adjust the position of the blade body 18, and the PVC film can be cut in various sizes.

In this embodiment, the moving part includes a screw 8 rotatably connected to the center of the top end of the moving plate 7, the top end of the screw 8 is in threaded connection with and extends out of the top wall of the housing 1, a rotating handle 9 is fixed to the extending end of the screw 8, and a rubber sleeve is fixedly sleeved on the outer end of the rotating handle 9; a limit set is provided between the moving plate 7 and the inner wall of the housing 1 to prevent the moving plate 7 from deflecting.

Specifically, spacing group is including being fixed in a spacing section of thick bamboo 11 of 1 roof of casing, and sliding connection has spacing post 10 in a spacing section of thick bamboo 11, and spacing post 10's bottom is stretched out a spacing section of thick bamboo 11 and is fixed with the top of movable plate 7. The two limiting groups are arranged at two sides of the screw 8.

In conclusion, the screw 8 is rotated to drive the moving plate 7 rotationally connected with the screw 8 to move, so as to control the clamping part to extend out of the shell 1 or retract into the shell 1.

Example 2

On the basis of embodiment 1, two limiting lugs 17 are fixed at the inner end of the second clamping plate 16, and two limiting holes 19 are formed in the upper part of the blade body 18 corresponding to the positions of the two limiting lugs 17.

Specifically, the protruding length of the limiting bump 17 is smaller than the thickness of the blade body 18. When the clamping part clamps the blade body 18, the first clamping plate 15 can be contacted and extruded with the outer end of the blade body 18, and the first clamping plate 15 is not contacted with the limiting lug 17.

When the blade body 18 is replaced, the two limiting holes 19 are sleeved on the two limiting lugs 17 to limit the blade body 18, so that the blade body 18 is prevented from deflecting during cutting, and the stability of the blade body 18 during cutting is improved.

All kinds of parts used in this application file are standard parts, can purchase from the market, and the specific connected mode of each part all adopts conventional means such as ripe bolt, rivet and welding among the prior art, and machinery, part and electrical equipment all adopt conventional model among the prior art.

The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above-mentioned embodiment, and make different applications and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.

Claims

1. The flying cutting structure convenient for replacing the blade comprises a support rod (20) and is characterized in that: the supporting rod (20) is provided with a connecting part for connecting the shell (1), and a moving part, a clamping part, an extruding part and a blade body (18) are arranged in the shell (1);

the moving part is used for controlling the movement of the clamping part; the clamping part is used for pre-clamping the blade body (18); the extrusion part is used for extruding the clamping part so as to ensure that the clamping part clamps and positions the blade body (18);

the clamping part comprises a moving plate (7), a sliding groove (12) is formed in the bottom end of the moving plate (7), two sliding blocks (13) are connected in the sliding groove (12) in a sliding mode, a spring (14) is fixed between the outer end of each sliding block (13) and the inner wall of the sliding groove (12), a clamping plate I (15) is fixed at the bottom end of one sliding block (13), and a clamping plate II (16) is fixed at the bottom end of the other sliding block (13);

the extrusion part comprises semi-cylindrical extrusion blocks (5) symmetrically fixed on the inner wall of the shell (1), and notches (6) are formed in the inner ends of the two extrusion blocks (5) and used for allowing the moving plate (7) to penetrate through.

2. The fly-cutting structure facilitating blade replacement according to claim 1, wherein: the connecting portion comprise a supporting sleeve (3) which is connected to the supporting rod (20) in a sliding mode, the supporting sleeve (3) and the supporting rod (20) are locked through a locking screw (4), a connecting block (2) is fixed to the outer end of the supporting sleeve (3), and the other end of the connecting block (2) is fixed to the shell (1).

3. The fly-cutting structure facilitating blade replacement according to claim 2, wherein: the moving part comprises a screw rod (8) rotatably connected to the center of the top end of the moving plate (7), the top end of the screw rod (8) is in threaded connection with the top wall of the shell (1) and extends out, and a rotating handle (9) is fixed at the extending end of the screw rod (8); a limit group is arranged between the moving plate (7) and the inner wall of the shell (1) to prevent the moving plate (7) from deflecting.

4. The fly-cutting structure facilitating blade replacement according to claim 3, wherein: the limiting group comprises a limiting cylinder (11) fixed on the top wall of the shell (1), a limiting column (10) is connected in the limiting cylinder (11) in a sliding mode, and the bottom end of the limiting column (10) extends out of the limiting cylinder (11) and is fixed with the top end of the moving plate (7).

5. The fly-cutting structure facilitating blade replacement according to claim 1, wherein: two limiting lugs (17) are fixed at the inner end of the second clamping plate (16), and two limiting holes (19) are formed in the upper part of the blade body (18) corresponding to the two limiting lugs (17); the protruding length of the limiting bump (17) is smaller than the thickness of the blade body (18).

6. The fly-cutting structure facilitating blade replacement according to claim 5, wherein: the positions, close to the outer sides, of the top ends of the first clamping plate (15) and the second clamping plate (16) are both arc surfaces.