CN217992578U

CN217992578U - Cut-off knife device for crown band production line

Info

Publication number: CN217992578U
Application number: CN202223004902.1U
Authority: CN
Inventors: 申海龙; 年春雷; 李明宇; 杨超; 杨玉胜
Original assignee: Jinhu Tire Changchun Co ltd
Current assignee: Jinhu Tire Changchun Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2022-12-09
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a hat ribbon production line cut-off knife device relates to tire hat ribbon production facility technical field, including the fixed bolster, the fixed bolster is installed in the top of hat ribbon spool, and the arbor is installed to the fixed bolster lower extreme, and the arbor is movable from top to bottom on the fixed bolster, installs a plurality of wall paper cutter blades that transversely set up side by side on the arbor, and wall paper cutter blade slope sets up, and wall paper cutter blade is 60 degrees ~80 degrees with horizontal angle. The utility model discloses change the wall paper sword into by the circular knife mode and cut, the cutting edge and the horizontal plane contained angle of wall paper sword blade are 60 degrees ~80 degrees, ensure that the knife tip is just to the hat ribbon surface, reduce the feed resistance, are convenient for cut and avoid the blade to stretch over absolutely simultaneously. The wallpaper cutter is broken after being worn and used for a new cutter edge, the cutter shaft can be conveniently detached through being driven and lifted by the air cylinder in the cutter changing process, the wallpaper cutter is low in cost and long in service cycle relative to a circular cutter, polishing cost is saved, cost is further reduced, and cutting quality of the cap strip is guaranteed.

Description

Cut-off knife device for crown band production line

Technical Field

The utility model relates to a tire cap strip production facility technical field especially relates to a cap strip production line cut-off knife device.

Background

At present, in the production process of semi-finished tyre cap strips, the fiber cord ply is required to be cut into cap strips with the width of 20mm for use in the molding process.

The existing crown band cutting equipment adopts a circular knife for cutting, as shown in figures 1 and 2, the circular knife is worn after being used for a period of time, the cutting quality is affected, the circular knife can be reused after being polished, the service cycle is short, and the processing cost is high.

Based on this, there is a need for improvements to existing crown band cutting machines to extend the life cycle and reduce costs.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cap strip production line cut-off knife device.

In order to achieve the above object, the present invention provides the following technical solutions:

the utility model provides a hat strap production line cut-off knife device, includes the fixed bolster, the fixed bolster is installed in the top of hat strap spool, the arbor is installed to the fixed bolster lower extreme, the arbor moves about from top to bottom on the fixed bolster, install a plurality of wall paper sword blades that transversely set up side by side on the arbor, wall paper sword blade slope sets up, the cutting edge and the horizontal plane contained angle of wall paper sword blade are 60 degrees ~80 degrees.

Further, the cutter shaft is driven by a vertical cylinder to move up and down.

Furthermore, the fixed support is provided with longitudinally distributed slideways, and the cutter shaft slides on the slideways through the sliding blocks.

Further, the cutter shaft comprises a cutter frame, a clamping block, a baffle plate and a bolt; a plurality of clamping grooves are formed in the tool rest, one end of each clamping block is inserted into each clamping groove and forms a gap with the clamping groove, the other end of each clamping block is exposed out of each clamping groove and forms a boss, and the wallpaper cutter blade can penetrate through the vertical gap and is limited through the bosses; the baffle is pressed on the other surface of the clamping block boss and then locked on the tool rest through a bolt.

Furthermore, the clamping block is connected with the clamping groove through the positioning pin.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a hat ribbon production line cut-off knife device changes the wall paper sword by the circular knife mode and cuts, and the wall paper sword is standing and is passing the arbor, and wall paper sword blade is 60 degrees ~80 degrees with horizontal angle, ensures that the knife tip is just to hat ribbon surface, reduces the feed resistance, is convenient for cut and avoids the blade to stretch over absolutely simultaneously. The cutter shaft reciprocates through the cylinder drive, and the old edge of a knife of rupture continues to use with new edge of a knife after the wall paper sword wearing and tearing, can rise through the cylinder drive when the tool changing conveniently dismantles the cutter shaft, and the wall paper sword is not only with low costs for the circular knife, and the life cycle is long, practices thrift the processing cost of polishing moreover, further reduce cost, guarantees hat strap strip cutting quality.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a front view of a conventional cap strip production line cutter device.

Fig. 2 is a side view of a prior art cap strip line cutter device.

Fig. 3 is a front view of a cut-off knife device of a crown band strip production line provided by the embodiment of the utility model.

Fig. 4 is a side view of a cut-off knife device of a crown band strip production line provided by the embodiment of the utility model.

Fig. 5 is a top view of the arbor structure provided by the embodiment of the present invention.

Description of reference numerals:

1. the wallpaper cutting machine comprises a fixed support, 2 parts of a crown band reel, 3 parts of a cutter shaft, 4 parts of a wallpaper cutter blade, 5 parts of a vertical cylinder, 6 parts of a slide way, 7 parts of a cutter rest, 8 parts of a fixture block, 9 parts of a baffle, 10 parts of a bolt, 11 parts of a boss, 12 parts of a positioning pin.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and examples.

As shown in fig. 3-4, the utility model provides a pair of hat band production line cut-off knife device, including fixed bolster 1, fixed bolster 1 is installed in the top of hat band spool 2, arbor 3 is installed to fixed bolster 1 lower extreme, arbor 3 moves about on fixed bolster 1 from top to bottom. Specifically, the cutter shaft 3 is driven to move up and down by a vertical cylinder 5. In order to improve the stability, the fixed support 1 is provided with a slideway 6 which is longitudinally distributed, and the knife shaft 3 slides on the slideway 6 through a sliding block.

The wallpaper cutter is characterized in that a plurality of wallpaper cutter blades 4 which are transversely arranged side by side are mounted on the cutter shaft 3, the wallpaper cutter blades 4 are obliquely arranged, and included angles between cutting edges of the wallpaper cutter blades 4 and a horizontal plane are 60-80 degrees, so that cutter points are ensured to be opposite to the surface of a crown band, cutter feeding resistance is reduced, cutting is facilitated, and the blades are prevented from being snapped.

Specifically, as shown in fig. 5, the knife shaft 3 includes a knife rest 7, a fixture block 8, a baffle plate 9 and a bolt 10; a plurality of clamping grooves are formed in the tool rest 7, one end of the clamping block 8 is inserted into the clamping grooves and forms a gap with the clamping grooves, and the clamping block 8 is connected with the clamping grooves through the positioning pins 12 to ensure the gap for accommodating the blade; the other end of the clamping block 8 is exposed out of the clamping groove to form a boss 11, and the wallpaper cutter blade 4 can vertically penetrate through the gap and is pressed and limited through the boss 11; the baffle 9 is pressed on the other surface of the clamping block boss 11 and then locked on the tool rest 7 through a bolt 10.

The utility model provides a hat strip production line cut-off knife device changes the wall paper sword by the circular knife mode and cuts, and the wall paper sword is standing and is passing the arbor, and the cutting edge and the horizontal plane contained angle of wall paper sword blade are 60 degrees ~80 degrees, ensure that the knife tip is just to the hat strip surface, reduce the feed resistance, are convenient for the cutting and avoid the blade to stretch over to break simultaneously. The cutter shaft reciprocates through the cylinder drive, and the old edge of a knife of rupture continues to use with new edge of a knife after the wall paper sword wearing and tearing, can rise through the cylinder drive when the tool changing conveniently dismantles the cutter shaft, and the wall paper sword is not only with low costs for the circular knife, and the life cycle is long, practices thrift the processing cost of polishing moreover, further reduce cost, guarantees hat strap strip cutting quality.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described embodiments, or equivalents may be substituted for some of the features of the embodiments, without departing from the spirit or scope of the present invention.

Claims

1. The utility model provides a hat strip production line cut-off knife device, its characterized in that includes the fixed bolster, the fixed bolster is installed in the top of hat strip spool, the arbor is installed to the fixed bolster lower extreme, the arbor moves about on the fixed bolster from top to bottom, install a plurality of wall paper sword blades that transversely set up side by side on the arbor, wall paper sword blade slope sets up, the cutting edge and the horizontal plane contained angle of wall paper sword blade are 60 degrees ~80 degrees.

2. The cap strip production line cutter device according to claim 1, wherein the cutter shaft is driven to move up and down by a vertical cylinder.

3. The cutting device for the crown band production line according to claim 1, wherein the fixed support is provided with a slide way which is longitudinally distributed, and the cutter shaft slides on the slide way through a slide block.

4. The cap strip production line cutter device according to claim 1, wherein the cutter shaft comprises a cutter holder, a clamping block, a baffle plate and a bolt; a plurality of clamping grooves are formed in the tool rest, one end of each clamping block is inserted into each clamping groove and forms a gap with the clamping groove, the other end of each clamping block is exposed out of each clamping groove and forms a boss, and the wallpaper cutter blade can vertically penetrate through the gaps and is limited through the bosses; the baffle is pressed on the other surface of the clamping block boss and then locked on the tool rest through a bolt.

5. The cap strip production line cutter device according to claim 4, wherein the fixture block is connected with the fixture groove through a positioning pin.