One kind is without lines target body and its manufacture craft and makes accessory
Technical field
The present invention relates to dartboard manufacture technology field, it is especially a kind of suitable for international tournament without lines target body and its system
Make technique and make accessory.
Background technology
Dartlike weapon movement is risen in England, earlier 1900s in quattrocento, is become people and is carried out daily leisure in bar
Indispensability activity.Nineteen thirties, dartlike weapon movement is increasingly professional, professional association, occupation match, Yi Ji great occurs
The professional master-hand of amount.Nowadays, it has been the popular movement popularized very much to dart in Britain, France, the U.S..Due to the places of origin of raw materials and people
The reasons such as work cost, China are one of man of major producing country of dartboard.
Traditional dartboard manufacture craft, if China State Intellectual Property Office is in the patent of invention Shen that on January 20th, 2016 announces
Please《A kind of two-sided dartboard and its manufacture craft》(105258574 A of application publication number CN)Described in, first by fibers such as fine jade fiber crops
Raw material are made fiber block, a certain number of fiber blocks then are passed through extrusion forming shape by arranging, pressing from both sides beam, winding, cutting
Into fibrous layer, subsequently fiber is laminated on the bottom plate for being fixed with outer rim, finally by polishing, colouring, be made dartboard into
Product.During being wound to fibre bundle, usually using most common adhesive tape, although fiber block is in extrusion forming
Afterwards, adhesive tape can be remained in target body, but since it is very thin, the influence to target body is relatively small, entertained for dartlike weapon
Project is unimportant.
But in international formal competition, any trickle factor, is likely to influence the achievement of entrant, therefore,
Ensure target body into boomerang fluency, it is very without hindrance, it is necessary to without adhesive tape winding without lines target body in a kind of target body.Though
So, in some conventional patent applications, the statement of no lines target body is also related to, but does not provide specific implementation side
Formula, or even if providing process equipment, can not but realize dartboard without this technique effect of lines at all.
The content of the invention
In view of the above-mentioned problems, the present invention provides one kind without lines target body and its manufacture craft and makes accessory.
Present invention protection is a kind of without lines target body, is wound inside the target body without adhesive tape, its manufacture craft includes following step
Suddenly,
Step 1:Reverse-winding is carried out to fibre bundle using the first tape roll, i.e., viscous surface of adhesive tape is outwardly, smooth surface is inwardly to fibre
Dimension beam is wound;
Step 2:The fibre bundle for crossing one layer tape to reverse-winding using the second tape roll carries out secondary winding, described secondary
It is wound up as positive winding, i.e., viscous surface of adhesive tape is inwardly, smooth surface is outwardly wound fibre bundle;
Step 3:By the fibre bundle of adhesive tape winding twice by after cutting into fiber block, into extrusion process, extruding
Mould is advanced to fiber block and is pressed against each other, and when will not be at random again, manually stops extruding process, and remove be wrapped in fibre by hand
Tie up the adhesive tape ring on the outside of block;Then it is further continued for extruding process.
The present invention also protects a kind of manufacture craft of no lines target body, it is characterised in that:Include the following steps,
Step 1:Reverse-winding is carried out to fibre bundle using the first tape roll, i.e., viscous surface of adhesive tape is outwardly, smooth surface is inwardly to fibre
Dimension beam is wound;
Step 2:The fibre bundle for crossing one layer tape to reverse-winding using the second tape roll carries out secondary winding, described secondary
It is wound up as positive winding, i.e., viscous surface of adhesive tape is inwardly, smooth surface is outwardly wound fibre bundle;
Step 3:By the fibre bundle of adhesive tape winding twice by after cutting into fiber block, into extrusion process, extruding
Mould is advanced to fiber block and is pressed against each other, and when will not be at random again, manually stops extruding process, and remove be wrapped in fibre by hand
Tie up the adhesive tape ring on the outside of block;Then it is further continued for extruding process.
The present invention also protects a kind of making accessory of no lines target body, the main whirler for including rotating around fibre bundle
Structure, package adhesive tape is provided with the rotating mechanism, and the rotating mechanism is rotated around fibre bundle, and adhesive tape is wrapped in fibre bundle
Outer surface, adjacent side by side on the rotating mechanism to be provided with the adhesive tapes of volume two, the first adhesive tape smooth surface is wound towards fibre bundle, the second glue
Band is viscous to be wound facing to fibre bundle;First adhesive tape is installed on close to fibre bundle folder beam mouth side.
Further, the rotating mechanism is equipped with fibre bundle spacing ring, and the fibre bundle spacing ring is close to first glue
Band is set, and the fibre bundle is stretched out from folder beam mouth, through the fibre bundle spacing ring, is sent to fibre bundle propulsive mechanism and cutting machine
Structure.
Further, the rotating mechanism includes being arranged on folder beam mouth and does turning for Plane Rotation along folder beam mouth central shaft
Rotating ring, the swivel becket are equipped with extension bar, are fixed with the fixing axle parallel to the fibre bundle on the extension bar, and described
First, the second adhesive tape is installed in the fixing axle.
The present invention also protection one kind is without lines dartboard, and using dartboard made of above-mentioned no lines target body, its knife net is by 5
Knife ring and 20 knife lines are cross-linked and form, and 5 knife rings are respectively knife ring outside 25 subregions, knife in 3 times of subregions from inside to outside
Knife ring, the outer knife ring of 2 times of subregions in the outer knife ring of ring, 3 times of subregions, 2 times of subregions, outside every described one connection 25 subregion of knife line
Knife ring, other end connect the outer knife ring of 2 times of subregions, and knife ring is not stretched out at two, and centre connects knife in 3 times of subregions respectively
Knife ring in the outer knife ring of ring, 3 times of subregions and 2 times of subregions;20 knife lines lower end is evenly distributed with fixed grapple, institute
State fixed grapple and stretch into target body.
Beneficial effects of the present invention:Reverse-winding is successively carried out to fibre bundle using double adhesive tape breakthroughly and forward direction twines
Around, and it is simple by the same making ingenious realization of accessory, structure of modification, it is easy to accomplish, but solve what adhesive tape in target body was wound
Problem, reduces dartlike weapon and falls boomerang caused by hitting adhesive tape, while also improves the aesthetics of target body.
Brief description of the drawings
Fig. 1 makes the structure diagram of accessory for no lines target body;
Fig. 2 is the structure diagram of Novel cutter net.
Embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.The embodiment of the present invention is
Provided for the sake of example and description, and be not exhaustively or limit the invention to disclosed form.Very much
Modifications and variations are obvious for the ordinary skill in the art.Selection and description embodiment are in order to more preferable
Illustrate the principle of the present invention and practical application, and make those of ordinary skill in the art it will be appreciated that the present invention is suitable so as to design
In the various embodiments with various modifications of special-purpose.
Embodiment 1
It is a kind of without lines target body, wound inside the target body without adhesive tape, it, which makes accessory, mainly includes surrounding fibre bundle 10
The rotating mechanism 20 of rotation, adjacent side by side on the rotating mechanism 20 to be provided with the adhesive tapes of volume two, 301 smooth surface of the first adhesive tape is towards fine
Dimension beam 10 is wound, and the second glue 302 is viscous to be wound facing to fibre bundle 10;First adhesive tape 301 is installed on close to fibre bundle folder beam
40 sides of mouth.
The rotating mechanism can arbitrarily surround fibre bundle to rotate and by adhesive tape structure wound on it, in this reality
Applying rotating mechanism 20 described in example includes being arranged at the swivel becket that Plane Rotation is done on folder beam mouth 40 and along folder beam mouth central shaft
201, the swivel becket 201 is equipped with extension bar 202, and the fixation parallel to the fibre bundle is fixed with the extension bar 202
Axis 203, first, second adhesive tape are installed in the fixing axle 203, as shown in Figure 1.
By taking Fig. 1 as an example, in practical operation, the direction of propulsion of fiber is that to the left, the first adhesive tape first carries out fibre bundle anti-
To winding, when fibre bundle promotes to the left, the second adhesive tape again carries out fibre bundle positive winding, so as to form one on fibre bundle surface
A adhesive tape ring easy to remove by hand;And positive winding is carried out to fibre bundle merely, adhesive tape can tightly be pasted on fibre bundle surface,
It is not easy to depart from, even if being forcibly taken away from, also results in the problems such as outside limit part is damaged.
The rotating mechanism 20 is equipped with fibre bundle spacing ring 204, and the fibre bundle spacing ring 204 is close to first adhesive tape
301 are set, and the fibre bundle 10 is stretched out from folder beam mouth 40, through the fibre bundle spacing ring 204, is sent to fibre bundle propulsive mechanism
And cutting mechanism, carry out next step flow.Fibre bundle spacing ring plays restriction effect to fibre bundle, is more conducive to adhesive tape to fibre bundle
Winding.
By the fibre bundle of adhesive tape winding twice by after cutting into fiber block, into extrusion process, being pushed away in extrusion die
Enter fiber block to be pressed against each other, when will not be at random again, manually stop extruding process, and remove be wrapped in outside fiber block by hand
The adhesive tape ring of side;Then extruding process is further continued for, so as to fulfill the making of no lines target body.
Embodiment 2
It is a kind of without lines dartboard, using described in embodiment 1 without dartboard made of lines target body.
The knife line of traditional dartboard knife net all stretches out the outer knife ring of 2 times of subregions, the part of the outer knife ring of the 2 times of subregions stretched out in fact
Knife line does not have any benefit, can increase boomerang rate on the contrary, and the knife net in the present embodiment is cross-linked by 5 knife rings and 20 knife lines
Form, 5 knife rings are respectively the outer knife ring of 25 subregions from inside to outside, knife ring in 3 times of subregions, the outer knife ring of 3 times of subregions, 2 times points
Knife ring, the outer knife ring of 2 times of subregions in area, every described one outer knife ring of connection 25 subregion of knife line, described 2 times of other end connection
Knife ring is not stretched out at the outer knife ring of subregion, two, centre connect respectively the outer knife ring of knife ring in 3 times of subregions, 3 times of subregions and
Knife ring in 2 times of subregions, knife line do not stretch out the outer knife ring of 2 times of subregions, are led as shown in Fig. 2, reducing dartlike weapon and hitting knife net
Cause the probability of de- boomerang;20 knife lines lower end is evenly distributed with fixed grapple, such as 20 knife lines to be set at interval of 4 knife lines
A fixed grapple is put, or one fixed grapple is set at interval of 3 knife lines, or one is set at interval of 1 knife line
Fixed grapple, fixed grapple stretch into target body.The fixed grapple inside and outside can set two circles, and the fixed grapple of the circle of the inside one is arranged at
In the outer knife ring of 25 subregions and 3 times of subregions between knife ring;The fixed grapple of the circle of outside one is arranged at the outer knife ring of 3 times of subregions and 2 times
In subregion between knife ring, or it is arranged in 2 times of subregions between knife ring and the outer knife ring of 2 times of subregions.
Obviously, described embodiment is only the part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, this area and the those of ordinary skill in the related art institute on the premise of creative work is not made
The every other embodiment obtained, should all belong to the scope of protection of the invention.