CN204235644U - Two strokes of PCD saw blades - Google Patents
Two strokes of PCD saw blades Download PDFInfo
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- CN204235644U CN204235644U CN201420610891.8U CN201420610891U CN204235644U CN 204235644 U CN204235644 U CN 204235644U CN 201420610891 U CN201420610891 U CN 201420610891U CN 204235644 U CN204235644 U CN 204235644U
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Abstract
The utility model discloses a kind of two strokes of PCD saw blades, it comprises the left saw blade with left sheet matrix and multiple left cutter head, left sheet matrix is provided with left locating hole, the outer peripheral face of left sheet matrix is provided with multiple left edge cutter groove, multiple left cutter head correspondence is arranged in multiple left edge cutter groove, and the height of the edge knife face of left edge cutter groove is lower than the rear-side height of left cutter head; There is the right saw blade of right sheet matrix and multiple right cutter head, right sheet matrix is provided with right locating hole; Pin runs through left locating hole and right locating hole, a matched in clearance in the side of pin and left locating hole and right locating hole, another interference fit in the opposite side of pin and left locating hole and right locating hole; With pad is arranged between left sheet matrix and right sheet matrix.The utility model has played the advantage of PCD hardness high life length; Make up the shortcoming-employing circle-arc tooth of toughness deficiency, and cut quality is good, the life-span is long, cost is low, not easily tipping.
Description
Technical field
The utility model relates to the PCD line saw in carpenter field, particularly a kind of two strokes of PCD saw blades.
Background technology
PCD (Polycrystalline diamond, polycrystalline diamond) saw blade has the fast and cost performance advantages of higher of machined surface quality, overlong service life, cutting speed, is therefore widely used in the cutting processing of wood materials.Such as, at furniture industry, PCD saw blade is used to the timber processing such as particieboard gradually.And two strokes of saw blades are external conventional woodworking saw blades, usually be configured on sizing saw machine or electronic material opening saw, for the pre-slotting during sheet fabrication such as particieboard, chip when cutting off to prevent main saw plate, its cutting width can be adjusted to 0.2mm less of head saw width, adds climb cutting in man-hour.Two strokes of saw blades are relative to single stroke of saw blade, and the adjustment of its swage set is easy, scope large, and therefore market consumption is larger.Two strokes of woodworking saw blades of main flow are hard alloy saw blade in the market, as patent ZL200920254043.7 discloses first at home, carbide alloy is two draws saw blade, profile of tooth is that common left and right tooth replaces, the characteristic that this scheme have ignored carbide alloy and PCD is distinguished, easily collapse tooth, be especially difficult to the advantage giving full play to domestic PCD.And this saw blade single life-span is shorter, is only 0.5 day, the general work mornings of user, tool changing in afternoon and reconditioning, waste a large amount of man-hour.
Summary of the invention
In order to solve the problem, the utility model provides a kind of two strokes of PCD saw blades, it comprises: the left saw blade with left sheet matrix and multiple left cutter head, described left sheet matrix is in the form of annular discs, described left sheet matrix is provided with left locating hole, the outer peripheral face of described left sheet matrix is provided with multiple left edge cutter groove, and multiple described left cutter head correspondence is arranged in multiple described left edge cutter groove, and the height of the edge knife face of described left edge cutter groove is lower than the rear-side height of described left cutter head; There is the right saw blade of right sheet matrix and multiple right cutter head, described right sheet matrix is in the form of annular discs, described right sheet matrix is provided with right locating hole, the outer peripheral face of described right sheet matrix is provided with multiple right edge cutter groove, multiple described right cutter head correspondence is arranged in multiple described right edge cutter groove, and the height of the edge knife face of described right edge cutter groove is lower than the rear-side height of described right cutter head; Pin, run through described left locating hole and described right locating hole, a matched in clearance in the side of described pin and described left locating hole and described right locating hole, another interference fit in the opposite side of described pin and described left locating hole and described right locating hole; And pad, be arranged between described left sheet matrix and described right sheet matrix.
In two strokes of PCD saw blades as above, preferably, described left cutter head is consistent with the structure of described right cutter head, and the top sword of described left cutter head and described right cutter head is all in arc-shaped, and the centripetal angle of the outer edge of described left cutter head and described right cutter head is all greater than 0 ° and is less than 15 °.
In two strokes of PCD saw blades as above, preferably, the left surface of described left sheet matrix is provided with left boss; The right flank of described right sheet matrix is provided with right boss.
Draw in PCD saw blades as above two, preferably, the height of the edge knife face of described left edge cutter groove is lower than more than the rear-side height 0.2mm of described left cutter head; The height of the edge knife face of described right edge cutter groove is lower than more than the rear-side height 0.2mm of described right cutter head.
In two strokes of PCD saw blades as above, preferably, the quantity of described pad is multi-disc, and described in multi-disc, pad stacks gradually together.
In two strokes of PCD saw blades as above, preferably, the thickness of described pad is 0.02-0.20mm.
In two strokes of PCD saw blades as above, preferably, the anterior angle of described left cutter head and described right cutter head is 5-15 °, and relief angle is 10-15 °, and angle, rear flank is 2-4 °.
In two strokes of PCD saw blades as above, preferably, described left cutter head and described right cutter head are arranged in described left edge cutter groove with in described right edge cutter groove respectively by welding.
In two strokes of PCD saw blades as above, preferably, the quantity of described left cutter head is consistent with the quantity of described right cutter head, multiple described right cutter head and multiple described left cutter head are at the circumferential alternate of described left sheet matrix and described right sheet matrix, and the external diameter of described left saw blade is identical with the length of the external diameter of described right saw blade.
In two strokes of PCD saw blades as above, preferably, the quantity of described left cutter head and the quantity of described right cutter head are 12-36.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
Give full play to the advantage of PCD hardness high life length; Make up the shortcoming (namely adopting circle-arc tooth) of toughness deficiency, and cost performance is high, cut quality is good, cutting speed is fast, the life-span is long, cost reduction, not easily tipping.
Accompanying drawing explanation
A kind of two front view drawing PCD saw blade that Fig. 1 provides for the utility model embodiment;
Fig. 2 is the right view drawing adjacent two teeth of PCD saw blade two shown in Fig. 1;
Fig. 3 is the top view drawing adjacent two teeth of PCD saw blade two shown in Fig. 1.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
See Fig. 1-3, the utility model embodiment provides a kind of two strokes of PCD saw blades, and for the pre-slotting during sheet fabrication such as particieboard, it comprises: left saw blade, right saw blade, pin 5 and pad 6.Therefore two strokes of PCD saw blades can also be called pre-slotting PCD two panels combined saw blade.
Particularly, left saw blade has left sheet matrix 1 and multiple left cutter head 2.Left sheet matrix 1 is in the form of annular discs, and its outer peripheral face is provided with multiple left edge cutter groove, and preferred multiple left edge cutter groove is arranged along the circumference of left sheet matrix 1 at the first-class interval of outer peripheral face.Multiple left cutter head 2 correspondence is arranged in multiple left edge cutter groove, namely in each left edge cutter groove, a left cutter head 2 is set, the mode arranged can be welding, such as soldering, in other words, left 2, cutter is close in left edge cutter groove, can also be engaging, and left cutter head 2 realizes left cutter head 2 be fixed in left edge cutter groove by being fastened in left edge cutter groove.The height of the edge knife face of left edge cutter groove is beneficial to left cutter head 2 lower than the rear-side height of left cutter head 2 and applies sawing force to sheet materials such as particieboards to be processed.Left sheet matrix 1 is provided with left locating hole, its quantity is preferably two, two left locating holes are symmetricly set on the both sides at the center of left sheet matrix 1, in reality, endoporus 10 is had in the center of left sheet matrix 1, it is for being connected with the driving mechanism driving saw blade to rotate, and two left locating hole symmetries point are listed in endoporus 10 both sides.
Right saw blade has right sheet matrix 3 and multiple right cutter head 4.Right sheet matrix 3 is in the form of annular discs, its outer peripheral face is provided with multiple right edge cutter groove, preferred multiple right edge cutter groove is arranged along the circumference of right sheet matrix 3 at the first-class interval of outer peripheral face, multiple right cutter head 4 correspondence is arranged in multiple right edge cutter groove, namely in each right edge cutter groove, a right cutter head 4 is set, the mode arranged can be welding, such as soldering, in other words, right cutter head 4 is close in right edge cutter groove, can also be engaging, right cutter head 4 realizes right cutter head 4 be fixed in right edge cutter groove by being fastened in right edge cutter groove.The height of the edge knife face of right edge cutter groove is beneficial to right cutter head 4 lower than the rear-side height of right cutter head 4 and applies sawing force to sheet materials such as particieboards to be processed.Right sheet matrix 3 is provided with right locating hole, its quantity is preferably two, two right locating holes are symmetricly set on the both sides at the center of right sheet matrix 3, in reality, endoporus is had in the center of right sheet matrix 3, it is connected with the driving mechanism driving saw blade to rotate, and two right locating hole symmetries point are listed in endoporus both sides.
Pin 5 runs through left locating hole and right locating hole to realize the relative positioning of left and right saw blade.Particularly, a locating hole matched in clearance in the side of pin 5 and left locating hole and right locating hole, another locating hole interference fit in the opposite side of pin 5 and left locating hole and right locating hole.As shown in Figure 2, the left side of pin and left locating hole interference fit, the right side of pin and right locating hole matched in clearance, matched in clearance is beneficial to repair demolition, and the length of pin is preferably less than the thickness sum of left sheet matrix and right sheet matrix.
Pad 6 is for adjusting two saw kerf width H drawing PCD saw blade, it is arranged between left sheet matrix 1 and right sheet matrix 3, see Fig. 2, is followed successively by left sheet matrix 1, pad 6 and right sheet matrix 3 from left to right, in other words, pad 6 is placed in the centre of left sheet matrix 1 and right sheet matrix 3.The quantity of preferred pad 6 is multi-disc, multiple pad 6 is cascading between left sheet matrix 1 and right sheet matrix 3, so can be adjusted two saw kerf width H drawing PCD saw blade by the quantity adjusting pad, in reality, pad is elected as shim liner to realize saw kerf width remain in setting range to carry out fine setting to saw kerf width, as 2.8-3.6mm, the thickness of shim liner is less than 1mm, be preferably 0.02-0.20mm, such as pad can comprise pad that thickness is 0.04mm and thickness is the pad of 0.10mm, the two saw kerf width H drawing PCD saw blades of fine setting is realized by the pad quantity separately changing thickness to be 0.04mm and thickness be 0.10mm.In order to not affect two PCD saw blade of drawing to the sawing of the sheet materials such as particieboard, the length of pad 6 is less than the internal diameter D2 of left sheet matrix 1 and right sheet matrix 1.In other examples, saw kerf width H can also be other values, and the thickness of pad 6 can also be other values, and the present embodiment does not limit this.
For the ease of carrying out sawing to sheet materials such as particieboards to be processed, left cutter head 2 is consistent with the structure of right cutter head 4, the top sword of left cutter head 2 and right cutter head 4 all in arc-shaped to prevent tipping, namely left and right cutter head is circle-arc tooth; Centripetal angle (angle in cutter head side and the cutting speed direction) λ of the outer edge of left cutter head 2 and right cutter head 4 is all greater than 0 ° and is less than 15 °, is preferably 0.5-1.5 °, more preferably 1.5 °; Further preferably, the medial surface of left cutter head and right cutter head is all in perpendicular shape, see Fig. 2, the right flank of left cutter head and the left surface of right cutter head are all in perpendicular shape, namely actual in processing and fabricating left cutter head and right cutter head, the inner side of left cutter head and right cutter head is not processed.In reality, operating personnel find to adopt the main saw plate of circle-arc tooth when being used to cut particieboard, and owing to losing the tip of terraced tooth grooving, the frictional force that circle-arc tooth is cut is large, cause particieboard chip serious, thus make its cutting effect be inferior to the flat tooth main saw plate of ladder in the past far away.And two PCD saw blades of drawing that the utility model embodiment provides are for the pre-slotting during sheet fabrication such as particieboard, the degree of depth of pre-slotting is about 2mm, such as 1.5mm-2mm, therefore the sheet material chips such as particieboard will be caused serious because adopting the top sword in arc-shaped.
See Fig. 2, the left surface of left sheet matrix 1 is provided with left boss 11; The right flank of right sheet matrix 3 is provided with right boss 31.The anterior angle γ of left cutter head and right cutter head is preferably 5-15 °, and relief angle α is preferably 10-15 °, and angle, rear flank θ (angle in cutter head side and feed speed direction) is preferably 2-4 °, further preferably, anterior angle γ is 12 °, and relief angle α is 13 °, and angle, rear flank θ is 3.5 °.The quantity of left cutter head 2 is preferably consistent namely equal with the quantity of right cutter head 4, multiple right cutter head and multiple left cutter head are at the circumferential alternate of left sheet matrix and right sheet matrix, the outer diameter D 1 of left saw blade is equal with the length of the outer diameter D 1 of right saw blade, the internal diameter D2 of preferred left saw blade is equal with the length of the internal diameter D2 of right saw blade, preferably, the outer diameter D 1 of left saw blade and outer diameter D 1 length of right saw blade are Ф 100-200mm, such as 120mm, 125mm, 160mm, 180mm, 200mm.The quantity of left cutter head and the quantity of right cutter head are preferably 12-36, such as 24,32; Swage set ranges preferably from 2.8-5.0mm.
By practical application, two PCD saw blades of drawing that the utility model provides are compared with similar alloy saw blade, and the life-span exceeds 5-20 doubly.Compared with the flat tooth PCD saw blade of similar left and right, not easily collapse tooth, and the number of teeth reduces (because the life-span of two strokes of PCD saw blades is higher than life-span of similar alloy saw blade, theory can reach 600 times, even if therefore the design of the number of teeth of two strokes of PCD saw blades is less than similar alloy saw blade, its life-span in life-span is still higher than alloy saw blade), reduce further cost.
In sum, the beneficial effect of the utility model embodiment is as follows:
Give full play to the advantage of PCD hardness high life length; Namely the shortcoming making up toughness deficiency adopts circle-arc tooth, and cost performance is high, cut quality is good, cutting speed is fast, the life-span is long, cost reduction, not easily tipping.
As known by the technical knowledge, the utility model can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Allly all to be included in the utility model within the scope of the utility model or being equal to the change in scope of the present utility model.
Claims (10)
1. two strokes of PCD saw blades, is characterized in that: described two PCD saw blades of drawing comprise:
There is the left saw blade of left sheet matrix and multiple left cutter head, described left sheet matrix is in the form of annular discs, described left sheet matrix is provided with left locating hole, the outer peripheral face of described left sheet matrix is provided with multiple left edge cutter groove, multiple described left cutter head correspondence is arranged in multiple described left edge cutter groove, and the height of the edge knife face of described left edge cutter groove is lower than the rear-side height of described left cutter head;
There is the right saw blade of right sheet matrix and multiple right cutter head, described right sheet matrix is in the form of annular discs, described right sheet matrix is provided with right locating hole, the outer peripheral face of described right sheet matrix is provided with multiple right edge cutter groove, multiple described right cutter head correspondence is arranged in multiple described right edge cutter groove, and the height of the edge knife face of described right edge cutter groove is lower than the rear-side height of described right cutter head;
Pin, run through described left locating hole and described right locating hole, a matched in clearance in the side of described pin and described left locating hole and described right locating hole, another interference fit in the opposite side of described pin and described left locating hole and described right locating hole; And
Pad, is arranged between described left sheet matrix and described right sheet matrix.
2. two strokes of PCD saw blades according to claim 1, it is characterized in that, described left cutter head is consistent with the structure of described right cutter head, the top sword of described left cutter head and described right cutter head is all in arc-shaped, and the centripetal angle of the outer edge of described left cutter head and described right cutter head is all greater than 0 ° and is less than 15 °.
3. two strokes of PCD saw blades according to claim 1, is characterized in that,
The left surface of described left sheet matrix is provided with left boss;
The right flank of described right sheet matrix is provided with right boss.
4. two strokes of PCD saw blades according to claim 1, is characterized in that,
The height of the edge knife face of described left edge cutter groove is lower than more than the rear-side height 0.2mm of described left cutter head;
The height of the edge knife face of described right edge cutter groove is lower than more than the rear-side height 0.2mm of described right cutter head.
5. two strokes of PCD saw blades according to claim 1, it is characterized in that, the quantity of described pad is multi-disc, and described in multi-disc, pad stacks gradually together.
6. two strokes of PCD saw blades according to claim 5, it is characterized in that, the thickness of described pad is 0.02-0.20mm.
7. two strokes of PCD saw blades according to claim 1 and 2, it is characterized in that, the anterior angle of described left cutter head and described right cutter head is 5-15 °, and relief angle is 10-15 °, and angle, rear flank is 2-4 °.
8. two strokes of PCD saw blades according to claim 1, is characterized in that, described left cutter head and described right cutter head are arranged in described left edge cutter groove with in described right edge cutter groove respectively by welding.
9. two strokes of PCD saw blades according to claim 1, it is characterized in that, the quantity of described left cutter head is consistent with the quantity of described right cutter head, multiple described right cutter head and multiple described left cutter head are at the circumferential alternate of described left sheet matrix and described right sheet matrix, and the external diameter of described left saw blade is identical with the length of the external diameter of described right saw blade.
10. two strokes of PCD saw blades according to claim 9, it is characterized in that, the quantity of described left cutter head and the quantity of described right cutter head are 12-36.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420610891.8U CN204235644U (en) | 2014-10-21 | 2014-10-21 | Two strokes of PCD saw blades |
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| CN201420610891.8U CN204235644U (en) | 2014-10-21 | 2014-10-21 | Two strokes of PCD saw blades |
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| CN204235644U true CN204235644U (en) | 2015-04-01 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227822A (en) * | 2018-10-19 | 2019-01-18 | 大连金河精密工具有限公司 | Monolithic cylinder knife |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109227822A (en) * | 2018-10-19 | 2019-01-18 | 大连金河精密工具有限公司 | Monolithic cylinder knife |
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