CN202344610U

CN202344610U - Dual-end die cutting saw

Info

Publication number: CN202344610U
Application number: CN201120491046XU
Authority: CN
Inventors: 范连根
Original assignee: SHANGHAI VALTZE GOLDTOL TOOLS CO Ltd
Current assignee: SHANGHAI VALTZE GOLDTOL TOOLS CO Ltd
Priority date: 2011-12-01
Filing date: 2011-12-01
Publication date: 2012-07-25
Anticipated expiration: 2021-12-01

Abstract

The utility model discloses a dual-end die cutting saw which is characterized in that a plurality of sawtooth sets are formed on the outer circumference of a circular saw bit body of the dual-end die cutting saw. The sawtooth sets comprise sawteeth inclined on one side of waste materials and sawteeth inclined on one side of plate units, and the quantity of the sawteeth inclined on one side of the plate units is more than that of the sawteeth inclined on one side of the waste materials. Due to the designed sawtooth sets, the dual-end die cutting saw has the advantages of being good in sawing quality, greatly increasing utilization rate of the materials, reducing the quantity of the waste plate units, releasing the resistance of the circular saw bit in a cutting process, increasing cutting efficiency and prolonging the service life.

Description

Both-end cut-parts saw

Technical field

The utility model relates to a kind of power saws class that is used for cutting edge when cutting glued board, core-board, relates to a kind of both-end cut-parts saw specifically.

Background technology

In recent years; The numerous and confused saw blade of releasing the dissimilar tooth form structure of many manufacturers, as common on the market profile of tooth left and right tooth (alternate tooth), flat tooth, the flat tooth (stage teeth) of ladder are arranged, fall stepped tooth (back taper tooth), dovetail tooth (hump tooth) and actually rare technical grade about about flat tooth etc.

1. the left and right tooth utilization is the most extensive, and cutting speed is fast, and reconditioning is simple relatively.Be applicable to out material and various soft, the strong wood sections of jack saw and density board, multi-layer sheet, particieboard etc.

2. flat rack saw mouth is more coarse, and cutting speed is slower, and reconditioning is the simplest.Be mainly used in the sawing of common wood, cost is lower, is used for the less aluminium of diameter more and uses saw blade, reduces adhesion during with the maintenance cutting, or is used for slitting saw-blade to keep bottom land smooth.

3. the flat tooth of ladder is the combination of stepped tooth peace tooth, and the reconditioning more complicated can reduce the veneer phenomenon of bursting apart during sawing, generally be used for the sawing of the two overlaid wood based panels of various lists, PLASTIC LAMINATED.

Use hard alloy saw blade like Granted publication number for the wood of flat tooth about just disclosing about a kind of the employing in the utility model specification of CN 201989202U; It comprises cutter head and matrix; Per 5 cutter heads are formed one group on the said matrix, and are as shown in Figure 1, and every group of cutter head flute profile puts in order and be flat tooth 1a, the oblique 1b in a left side, the oblique 1c in the right side, a left side tiltedly 1d, the oblique 1e in the right side; Under the constant situation of total number of teeth; This case makes the operator more laborsaving, in the hope of reaching satisfied technique effect through reducing the number of teeth of cutter head side edge to the timber friction.

Because when above-mentioned existing woodworking saw blade was used to cut glued board, core-board, cutting material one side was a waste material, a side is a finished-product material; The sheet material side cut requires smooth, and no burr is if the profile of tooth that adopts is flat left and right sides alternate tooth or flat tooth; It is big then to cut resistance, cuts not sharply, and cutting efficiency reduces; Energy consumption is bigger, and it is more to be cut the burr that thing cuts out mouthful, and the surface smoothness that cuts out thus also can severe exacerbation; The user must reface and carry out operation again behind the sawtooth, thereby has reduced operating efficiency, so time saving and energy saving requirement can not satisfy the operator and cut the time.Though its cutting smooth surface, no burr when adopting ladder to put down tooth, only the manufacturing cost of such saw blade is higher, the procedure very complicated, and the cutting life-span is shorter, further the extensive use of the terraced flat tooth of restriction.

The utility model content

For solving the deficiency that exists in the above-mentioned prior art; The utility model discloses a kind of both-end cut-parts saw; This both-end cut-parts saw is used for the bilateral cutting edge of plywood laminate, core-board; Its two-way number of teeth is equal to the sawtooth number of waste material lopsidedness and sawtooth number to sheet material unit lopsidedness by normal saw blade, changes into the sawtooth number and the sawtooth number that increase to sheet material unit lopsidedness of minimizing to the waste material lopsidedness, and the utility model makes tangent plane more smooth; Reduce the surplus of waste material, improve about 3 times than original service life.

For realizing above-mentioned technique effect; The utility model provides a kind of both-end cut-parts saw; The rotating shaft that this both-end cut-parts saw comprises two circular saw blades and connects circular saw blade; Each circular saw blade is made up of circular saw blade body and a plurality of sawtooth groups of being positioned on the said circular saw blade body excircle, and this sawtooth group is made up of sawtooth that favours waste material one side and the sawtooth that favours sheet material unit one side, and the said sawtooth number that favours sheet material unit one side is more than the sawtooth number that favours waste material one side.

Preferably, the said sawtooth that favours sheet material unit one side is 3: 1 with the number ratio that favours the sawtooth of waste material one side.

Preferably, be formed with the noise reduction groove on the excircle of said circular saw blade body.

Preferably, said circular saw blade body is provided with vibration absorption unit.

Preferably, right anti-flutter wire of said vibration absorption unit and the stop hole of being located at the place, two ends of anti-flutter wire are formed.

The beneficial effect of the utility model is:

(1) the two-way number of teeth of the utility model is equal to the sawtooth number that favours sheet material unit one side by the sawtooth number that favours the waste material lopsidedness of original normal saw blade; Change into the sawtooth number and the sawtooth number that increase to sheet material unit lopsidedness of minimizing to the waste material lopsidedness; Design such sawtooth group; Its sawing quality is good, improves the utilization rate of sheet material unit greatly, reduces the rejection number of sheet material unit.

(2) reduce the resistance of saw blade in cutting process, improve the efficient of cutting, prolong the service life of both-end cut-parts saw.

(3) on the circular saw blade body, be provided with damper unit and noise reduction groove, can effectively control saw blade in the safe range internal vibration, avoid saw blade phenomenon to occur flying to split, the noise that produces in the time of also can reducing work simultaneously reduces the noise pollution to air.

Description of drawings

Fig. 1 is the structural representation of Granted publication CN 201989202U wood with hard alloy saw blade;

Fig. 2 is the structural representation of the utility model both-end cut-parts saw;

Fig. 3 is the structural representation of the utility model circular saw blade;

Fig. 4 is for showing prior art sawtooth group (top), the local structure for amplifying sketch map of the utility model sawtooth group when cuts sheet material.

The specific embodiment

For the benefit of to the understanding of the utility model structure, specify below in conjunction with accompanying drawing 2-4 and with the preferred embodiment of the utility model.

As shown in Figure 2, the circular saw blade 10 of the both-end cut-parts saw of the utility model is a symmetrical structure, and this circular saw blade 10 is connected through rotating shaft 100; For easy description; The both-end cut-parts saw of the utility model only shows a circular saw blade 10, and as shown in Figure 3, said circular saw blade 10 comprises a circular saw blade body 11 and is located at a plurality of sawtooth groups on circular saw blade body 11 excircles; On the excircle of this circular saw blade body 11, be formed with outward extending serrations 12; 12 of this adjacent serrations are formed with the serrated slot 13 that produces sawdust when keeping cutting, and said sawtooth group is made up of 100 sawtooth 120, and said sawtooth 120 is positioned at a side of serrated slot 13.

Further combine Fig. 3, Fig. 4; The sawtooth 120 of the utility model is 25 sawtooth 120e and 75 sawtooth 120f that favour sheet material unit b one side that favour waste material a one side specifically; Designing the technique effect that such sawtooth reaches is: (1) its sawing quality is good; Improve the utilization rate of sheet material unit b greatly, reduced the rejection number of waste material a; (2) reduce the resistance of circular saw blade 10 in cutting process, improved the efficient of cutting, prolonged the service life of circular saw blade 10; (3) cutting surface more smooth, no burr, service life is than about 3 times of original raisings, is suitable for sawing and senior finishing, the building site multipurpose specialty cuts of thick china.And sawtooth of the prior art is 50 sawtooth 121c and 50 sawtooth 120d that favour sheet material unit b one side that favour waste material a one side; Such both-end cut-parts saw is when cutting, and on the one hand, the sawdust amount is many; Environmental pollution is big; The material of waste sheet material unit b has remained more waste material a, has increased processing cost; In addition, the prior art medium dip is bigger in the resistance that the sawtooth 121c of waste material a one side receives, and it is more to wear and tear, and the cutting loss is big, and cutting efficiency is also lower.

Once more referring to Fig. 3; The radially interior mutually direction of the serrated slot 13 of the utility model is provided with noise reduction groove 130; This noise reduction groove 130 by a flexible line of rabbet joint 131 and one the flexible line of rabbet joint 131 radially mutually in the augmenting portion 132 of extension form; This circular saw blade 10 can effectively reduce the noise that sawtooth 120 is produced in cutting process, have the good effect that improves working environment.

On this circular saw blade body 11, nearly serrations 12 places are cut with the noise reduction unit 140 that 5 even circular rows are arranged, said noise reduction unit 140 is by sweeping noise reduction seam 141 and be located at this noise reduction and stitch the stop hole 142 at place, 141 two ends and form.The noise reduction seam 141 that the method for cutting of employing line or cut processes is compared with the composite saw blade of " sandwich ", and difficulty of processing reduces.

Claims

1. both-end cut-parts are sawed; The rotating shaft that this both-end cut-parts saw comprises two circular saw blades and connects circular saw blade; Each circular saw blade comprises the circular saw blade body and is positioned at a plurality of sawtooth groups on the said circular saw blade body excircle; This sawtooth group is made up of sawtooth that tends to waste material one side and the sawtooth that tends to sheet material unit one side, and it is characterized in that: the said sawtooth number that tends to sheet material unit one side is more than the sawtooth number that tends to waste material one side.

2. both-end cut-parts saw according to claim 1 is characterized in that: the said sawtooth that favours sheet material unit one side is 3: 1 with the number ratio that favours the sawtooth of waste material one side.

3. both-end cut-parts saw according to claim 1 and 2 is characterized in that: be formed with the noise reduction groove on the excircle of said circular saw blade body.

4. both-end cut-parts saw according to claim 1, it is characterized in that: said circular saw blade body is provided with vibration absorption unit.

5. both-end cut-parts according to claim 4 saw is characterized in that: said vibration absorption unit is made up of anti-flutter wire and the stop hole of being located at place, anti-flutter wire two ends.