CN1234765A - Method and apparatus for producing synchronous belts with two or more tracks of helical teeth - Google Patents
Method and apparatus for producing synchronous belts with two or more tracks of helical teeth Download PDFInfo
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- CN1234765A CN1234765A CN 96180462 CN96180462A CN1234765A CN 1234765 A CN1234765 A CN 1234765A CN 96180462 CN96180462 CN 96180462 CN 96180462 A CN96180462 A CN 96180462A CN 1234765 A CN1234765 A CN 1234765A
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Abstract
A method of producing synchronous belts having two or more tracks of teeth extending obliquely from the belt. The method includes forming an internal drum mold from a series of concentric rings, building a belt sleeve around the drum mold, vulcanizing the belt assembly, cutting the belt sleeve into widths and removing drum rings from the belt sections.
Description
Technical field
The present invention relates to Synchronous Transmission belt and synchronous belt, relate more specifically to a kind of method and apparatus that is used to make the Synchronous Transmission belt with two or many tooth tracks, these tooth tracks extend with the angle of inclination of reverse balance from belt surface.
Background technology
A kind of Synchronous Transmission belt of the tooth that has and be offset is disclosed on U.S. Patent No. 5,209,705 surfaces of Gregg.
A kind of method that forms belt teeth and strengthen the forward driving belt is disclosed on U.S. Patent No. 3,078,206 surfaces of Skura.
U.S. Patent No. 2,600 discloses a kind of method and apparatus that is used to make and solidify power transmission belt on 775 surfaces.
At last, Japan Patent No.59-133,034 also points to a kind of method of making the Synchronous Transmission belt.
The Synchronous Transmission belt is made of the elastomer springy that the vertical tension members of a kind of usefulness strengthens usually, and this tension members is made with the heart yearn of many high elastic modulus.These heart yearn useable glass fibers, carbon fiber, steel, polyester, high tenacity staple fibre or the most handy polyamide are made.
The tooth surface of belt can strengthen with abrasion resistant fibrous product, and the latter's a example is a nylon.
Elastomer can be those known any elastomers that are applicable to this type of belt, comprises polychloroprene, polyurethane, NBR, IIR, IR, SBR, CSM, EPDM, other thermo-setting elastomer, thermoplastic elastomer (TPE) and other polymeric blends.
Usually, the Synchronous Transmission belt by on a drum, twine fabric, vulcanized elastomer and each layer of heart yearn are not made.This drum is as inner mould and the outer peripheral face of the groove of a proportional spacing that comprises axial orientation can be arranged.Between curing time, this belt sheet material utilizes and is come moldedly by an outer bulkhead or autocrave applied pressure, and this pressure forces belt sheet material inwardly near the side face of this drum.After sulfuration, the belt sleeve pipe slides off this drum or mould vertically.Independently to operate the belt sleeve pipe is become each single belt along transverse cuts then.
The belt of Xing Chenging has only an independent tooth trace that extends from belt and belt circumference usually with meeting at right angles like this, and the size of tooth adapts with groove on the drum side face.In the manufacturing of this type of belt, use a kind of groove drum that simply has.
Known providing in this technology has the synchronous belt of at least two horizontal rows to adjacent tooth, and this two toothrow becomes the angle of inclination of reverse balance with respect to the direction of belt.A kind of this type of belt composition is disclosed in U.S. Patent No. 5,209, and in 705, its disclosure is incorporated herein by reference.Wherein disclosed belt composition provides some advantage, and particularly for noise, this has only the belt of an independent tooth trace that extends from belt and belt circumference that improvement has been arranged than the sort of with meeting at right angles.
Can but a problem that runs in this technology be, when making such improved belt, make and vulcanize a wide strip that has more than one section belt on an inner cydariform mould.The belt sleeve pipes that two or many tooth traces that extend with the angle of inclination of reverse balance of existence can stop to have solidified on each belt section slide off this cydariform mould vertically, as in the above-mentioned prior art manufacture method.Up to now, also there is not a kind of feasible method of making the improved belt of this class.
Technology of the present invention described herein provides a kind of method, can advantageously make a kind of synchronous belt with simple but effective method thus, and this synchronous belt has two or many tooth tracks that extend with the angle of inclination of reverse balance.
Disclosure of an invention
According to the present invention, provide a kind of manufacturing to have the method for the Synchronous Transmission belt of the tooth that extends from belt surface, this method comprises the following steps:
Assemble an inside cydariform mould with first group of concentric molded ring, this molded ring comprises adjacent dextrad ring and left-hand ring, has the groove that forms tooth therein in dextrad ring and the left-hand ring, and each groove on each dextrad ring and the left-hand ring is a tooth pitch of being scheduled at interval;
Set up the belt band of a multilayer around this cydariform mould;
Solidify this belt band;
The belt band that has solidified is divided into certain belt width; And
After being divided into certain belt width, this belt band removes this belt width from mould.
According to a further aspect in the invention, the groove of this dextrad ring is with respect to the angle that vertically has inclination, and the groove of this left-hand ring has reverse angle with respect to the groove of this dextrad ring.In the method for the invention, the step of assembling inner cydariform mould comprises:
The dextrad ring is arranged in the precalculated position with respect to the left-hand ring, makes groove and preset distance of the skew of the groove on the left-hand ring on the dextrad ring; And
Utilize maintaining body that the dextrad environmental protection is held in the precalculated position with respect to the left-hand ring.
According to a further aspect in the invention, the step of setting up a multiple belt band around the cydariform mould comprises:
The first fabric layer is set on inner cydariform mould;
Longitudinal stretching parts are arranged on this layer fabric;
A kind of elastomeric material is arranged on this tensile part; And
A horizontal reinforcing member is arranged on this elastomeric material.
According to a further aspect in the invention, the step of assembling this inside cydariform mould also comprises:
Between first group and second group of molded ring, a spacer ring is set.
According to a further aspect in the invention, the step that the belt band that has solidified is cut into certain belt width comprises:
The cydariform die device is installed on the lathe; And
This belt band that has solidified of cutting on the either side of first group of molded ring.
According to a further aspect in the invention, the step of removing these belt widths from mould after the step that this belt wide strip is cut into each certain width comprises:
Along first direction slip dextrad ring, away from this width belt; And
Along second direction slip left-hand ring, away from this belt width.
An advantage of the invention is the synchronous belt that to make angled tooth effectively with the adjacent inclination of two or more rows.
Another advantage of the present invention is the number that can change the synchronous belt made from the one-step solidification operation.
Another advantage of the present invention is that the manufacture a finished product precision of angled tooth of belt is fine.
Another advantage of the present invention is to replace the cydariform die segments that may damage or exceed the tolerance of wanting during operation.
Another advantage of the present invention is to form a kind of improved belt composition in conjunction with the habitual belt manufacture method of a part.
Read and understand specification described in detail below, use the Technology professional can know other benefit of the present invention and advantage.
The accompanying drawing summary
The present invention can represent with the physical form of some parts and component configuration, will describe in detail and illustration a preferred embodiment of the present invention in a part of accompanying drawing at this specification with as it, wherein:
Fig. 1 is the flat sheet of the bottom view with the part of a kind of Synchronous Transmission belt of method production of the present invention.
Fig. 2 is the side view along the partial cross section figure of the line 2-2 intercepting of Fig. 1.
Fig. 3 is the cydariform die device that the method according to this invention is used.
Fig. 4 is the sectional view along the cydariform die device of the line 4-4 intercepting of Fig. 3.
Fig. 5 is the side view of a kind of molded ring of the method according to this invention use.
Fig. 6 is the front view along the partial cross section figure of the line 6-6 intercepting of Fig. 5.
Fig. 7 is the enlarged drawing of one section molded ring of dextrad of the method according to this invention use.
Fig. 8 is the enlarged drawing of one section molded ring of left-hand of the method according to this invention use.
Fig. 9 is the sectional view of still uncured belt band made according to the method for the present invention.
Detailed Description Of The Invention
Referring now to accompanying drawing, only wherein illustrate illustration a preferred embodiment of the present invention and do not provide constraints.Fig. 1 and 2 represents the belt 10 as the sort of type of making in the inventive method.Belt 10 has at least two horizontal rows to adjacent tooth 13, has center line 13a and 13b.These teeth longitudinally separate tooth pitch P equably and extend with respect to fore-and-aft tilt ground, make to be in the opposed angle of equilibrium 17 along the tooth 13 among horizontal adjacent two rows, and center line 13a and 13b are offset a distance 21 mutually, and this distance 21 is 10% to 90% of tooth pitch P.Preferably, this offset distance is 50% of tooth pitch P.Inclination angle 17 can be 15 ° to 45 °.
The method according to this invention is assembled a cydariform mould 24, so that form belt 10.With reference to Fig. 3-6, cydariform mould 24 comprises at least one group of ring 28.Every group of ring 28 will form a synchronous belt 10.Every group of ring 28 comprises a dextrad ring 30 and a left-hand ring 32.The helicla flute 34A that forms on dextrad and left-hand the side face, the direction of 34B with reference to ring 30,32.Helicla flute 34A on the dextrad ring 30 will form a track of the inclination extension tooth 13 of finished belt 10, and the thread groove 34B on the left-hand ring 32 will form the adjacent track that tooth 13 is extended in the inclination of finished belt 10.Because the angle of groove 34A and 34B is opposite, so the tooth 13 that forms is rendered as the tooth of the reverse balance of improved belt composition.
Cydariform mould 24 can comprise the ring 28 more than a group.Each group ring 28 is in succession separated by the central space ring 36 as distance piece.The ragged edge of contiguous each group ring 28 is settled the blank ring 38 in end.At last, bottom ring 40 and top ring 42 can be placed in the two ends of cydariform mould 24 respectively.Bottom ring 40 and top ring 42 can be for cydariform mould 24 provide flange 44, to help the belt manufacture process.
In a preferred embodiment, each cydariform mould 24 comprises four groups of rings 28, and they are spaced-apart by three central space rings 36.Groove 34A, 34B on each group ring 28 in succession form a series of man type chutes around drum mould 24.In the preferred embodiment, dextrad ring 30, left-hand ring 32, central space ring 36 and end blank ring 38 usefulness aluminium alloys are made, though other material also can use.
For the suitable distance 21 that keeps finished belt 10, the groove 34A of dextrad ring 30 is crucial with respect to the location of the groove 34B of the left-hand ring 32 of its pairing.Therefore, the ring 30,32,36,38,40,42 that forms cydariform mould 24 can comprise maintaining body, so that keep suitable location betwixt.For example, ring 30,32,36,38,40,42 can comprise interlock slot or aligner (not shown) on the lower surface thereon, makes these rings stackedly to settle with one heart and suitably with keeping.
With reference to Fig. 4, this illustrates the sectional view of a preferred embodiment of cydariform mould 24 especially. Ring 30,32,36,38,40,42 in succession is installed on the central shaft 46 so that cydariform mould 24 can rotate, and a belt band is set up in the above.Cydariform mould 24 can be rotated on equipment in the existence of central shaft 46 and belt band that should bending cuts into belt width.The preferred embodiment also comprises an inner annular channel 47, so that can enough steam heated cydariform moulds 24.
30,32,36,38,40,42 existence by one or more keyways 48 that respectively encircle in succession keep suitable relation.
As in Fig. 5, clearlying show that, in a preferred embodiment of cydariform mould 24, three keyways 48 are arranged.Keyway 48 is around inner surface 50 equi-spaced apart of each ring.Can insert a key pin (not shown) in the keyway 48.
In Fig. 6, illustrate a dextrad ring 30 with partial plan and partial cross section.Helicla flute 34A forms an inclination angle 17A, the inclination angle 17 that this angle forms corresponding to the tooth 13 by finished belt 10.The helicla flute (not shown) of left-hand ring forms the inclination angle of a reverse balance.
Referring now to Fig. 7 and 8, the keyway shown in the figure 48 and the dextrad ring 30 of pairing and the groove 34A of left-hand ring 32, the relation of 34B.In a preferred embodiment, the center line 54A of the groove 34A on the center line 52 of keyway 48 and the dextrad ring 30 aims at.The center line 52 of keyway 48 on the left-hand ring 32 of pairing with distance D of the center line 54B of groove 34B skew, this will determine the distance 21 with the belt 10 of cydariform mould 24 formation.In a preferred embodiment, distance D is 40% to 60% of tooth pitch P.The existence that is appreciated that keyway 48 only is to be used for making dextrad ring 30 to remain on maintaining body a kind of that left-hand ring 32 with its pairing is in suitable relation, also can use other maintaining body.But the dextrad ring 30 of pairing and the groove 34A of left- hand ring 32 and 34B are offset a given distance D, so that the tooth 13 of the skew of finished belt 10 is provided, this is a key factor of the present invention.
With reference to Fig. 9, method of the present invention comprises sets up a belt band 60 around inner cydariform mould 24.Method of the present invention can comprise conventional building method, this method utilizes a fabric that tooth sleeve pipe 62 is arranged, this sleeve pipe 62 is near the periphery of cydariform mould 24, and its outer vertically anti-position parts 64 and a kind of elastomeric material 66 of following is to form the main body of belt 10.In addition, the inventive method embodiment is included on the outside of band 60 and adds a reinforcing member 68 of laterally settling.Comprise that this horizontal reinforcing member 68 can make finished belt 10 be absorbed in the inside side force that produces within two toothrows 13.
After making band 60, utilize the usual method in this technology to be cured.A kind of this type of curing can be the component placement that will make in a jar that comprises dividing plate.On dividing plate, exert pressure and heat this belt band 60, so that molded and this material of sulfuration.Or, can use a free dividing plate in autocrave.
After curing, the belt band 60 and the cydariform mould 24 that in the production synchronous belt method of prior art, slips away vertically common.In the method for the invention, the belt band 60 after the curing remains on the cydariform mould 24.Cydariform mould 24 is arranged on the equipment of similar lathe, the belt band 60 that solidifies is cut into the width of separation.The belt band 60 of this curing of cutting on central space ring or distance piece 36.
Because the blank ring 38 in central space ring 36 and end is not the helicla flute shape, so they are easy to slip away from belt width.Dextrad ring 30 moves apart from belt width along first direction, and left-hand ring 32 moves apart from belt width along reverse second direction.In this kind mode, the moving direction of dextrad ring 30 is compatible with the belt teeth 13 that forms on it, and the moving direction of left-hand ring 32 is compatible with the belt teeth 13 of formation on it.
After all ring components are removed, the side of the belt of single certain width can be trimmed to its final width.
Preferred embodiment has been described above.The Technology professional can be clear, and said method can change and revise and not depart from overall range of the present invention.Be predetermined to include all such changes and modifications, as long as they fall in the scope of appended claims or its equivalence requirement.
Claims (12)
1. a production has the method for the Synchronous Transmission belt of the tooth that extends from belt surface, and described method is characterised in that and comprises the following steps:
Assemble an inside cydariform mould with first group of concentric molded ring, described first group of molded ring comprises adjacent dextrad ring and left-hand ring, have the groove that forms tooth therein in described dextrad ring and the left-hand ring, each groove on each described dextrad ring and the left-hand ring is a tooth pitch of being scheduled at interval;
Set up the belt band of a multilayer around described cydariform mould;
Solidify described belt band;
The described belt band that has solidified is divided into certain belt width; And
After being divided into certain belt width, described belt band removes described belt width above-mentioned from described mould.
2. the described method of claim 1, the belt that also is included on arbitrary side described certain width is trimmed to a preliminary dimension.
3. the described method of claim 1 is characterized in that, the groove of described dextrad ring is with respect to the angle that vertically has inclination, and the groove of described left-hand ring has reverse angle with respect to the groove of this dextrad ring, and the step of wherein assembling described inner cydariform mould comprises:
Described dextrad ring is arranged in the precalculated position with respect to described left-hand ring, makes groove and preset distance of the skew of the groove on the described left-hand ring on the described dextrad ring; And
Utilize maintaining body that described dextrad environmental protection is held in the described precalculated position with respect to described left-hand ring.
4. the described method of claim 3 is characterized in that, described preset distance described tooth pitch 40% to 60% between.
5. the described method of claim 3, it is characterized in that, described dextrad ring and left-hand ring also comprise an inner surface separately, each described inner surface has a vertical passage, in the time of in described dextrad ring is arranged on respect to the described precalculated position of described left-hand ring, this vertical passage forms a keyway, and wherein utilizes described maintaining body to comprise:
Cross described keyway and insert a key pin.
6. the described method of claim 1 is characterized in that, described inner cydariform mould also comprises second group of molded ring and one first spacer ring that is substantially similar to described first group of molded ring, and the step of this inside cydariform mould of wherein said assembling also comprises:
Described spacer ring is arranged between described first group and the second group of molded ring.
7. the described method of claim 1 is characterized in that, the described step of setting up described multiple belt band around the cydariform mould comprises:
A vertical tension members is set on described cydariform mould; And
One deck elastomeric material is set on described tension members.
8. the described method of claim 7 is characterized in that, the described step of setting up described multiple belt band around the cydariform mould also comprises:
Before described vertical tension members is set, on described inner cydariform mould, lay the first fabric layer earlier.
9. the described method of claim 7 is characterized in that, the described step of setting up this multiple belt band around above-mentioned cydariform mould also comprises:
A horizontal reinforcing member is set on described elastomeric material.
10. the described method of claim 1 is characterized in that, the described step that the above-mentioned belt band that has solidified is cut into certain belt width comprises:
Described cydariform die assembly is installed on the lathe; And
Cut the above-mentioned belt band that has solidified on described first group of molded ring both sides.
11. the described method of claim 1 is characterized in that, comprises in the above-mentioned described step of removing this belt width after the belt band is cut into belt width:
Make described dextrad ring slide and leave above-mentioned belt width along first direction; And
Make described left-hand ring slide and leave above-mentioned belt width along second direction.
12. a production has the method for the synchronous belt of the tooth that extends from belt surface, described method is characterised in that the following step:
Assemble an inside cydariform mould with first group of concentric molded ring, described first group of molded ring comprises adjacent dextrad ring and left-hand ring, has the groove that forms tooth in described dextrad ring and the left-hand ring, the above-mentioned groove of described dextrad ring and one vertically becomes angle of inclination and interval one pre-constant pitch, the above-mentioned groove of described left-hand ring becomes the opposite described tooth pitch of angle and interval with the above-mentioned groove of described dextrad ring, the predetermined distance of above-mentioned groove skew on above-mentioned groove on the described dextrad ring and the described left-hand ring;
Set up a multiple belt band by following respectively going on foot:
One deck first fabric layer is set on described inner cydariform mould;
A vertical tension members is set above the described fabric layer;
On the parts of described anti-position, one deck elastomeric material is set; And
A horizontal reinforcing member is set on described elastomeric material;
Solidify described belt band;
The described belt band that has solidified is divided into certain belt width;
After being divided into certain belt width, described belt band removes described belt width above-mentioned from described mould; And
Described belt width is trimmed to a preliminary dimension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96180462A CN1062212C (en) | 1996-08-22 | 1996-08-22 | Method and apparatus for producing synchronous belts with two or more tracks of helical teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96180462A CN1062212C (en) | 1996-08-22 | 1996-08-22 | Method and apparatus for producing synchronous belts with two or more tracks of helical teeth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1234765A true CN1234765A (en) | 1999-11-10 |
| CN1062212C CN1062212C (en) | 2001-02-21 |
Family
ID=5127901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96180462A Expired - Fee Related CN1062212C (en) | 1996-08-22 | 1996-08-22 | Method and apparatus for producing synchronous belts with two or more tracks of helical teeth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1062212C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103069676A (en) * | 2010-06-09 | 2013-04-24 | 泰斯美克股份有限公司 | Balancing and synchronizing device for machines for laying cables |
| CN107020712A (en) * | 2017-06-12 | 2017-08-08 | 兰溪市夏华橡塑机械厂 | The sulfurizing mould of wall scroll cogged V-belt |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103817945B (en) * | 2014-02-20 | 2016-09-21 | 佛山市加德纳机械配件有限公司 | A kind of PU Timing Belt production technology |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3078206A (en) * | 1959-02-25 | 1963-02-19 | Us Rubber Co | Method of forming belt teeth in reinforced positive drive belts |
| DE3045235A1 (en) * | 1980-12-01 | 1982-07-01 | Wilhelm Herm. Müller & Co KG, 3000 Hannover | DEVICE FOR PRODUCING ARROW-TOOTHED BELTS |
-
1996
- 1996-08-22 CN CN96180462A patent/CN1062212C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103069676A (en) * | 2010-06-09 | 2013-04-24 | 泰斯美克股份有限公司 | Balancing and synchronizing device for machines for laying cables |
| CN103069676B (en) * | 2010-06-09 | 2017-03-01 | 泰斯美克股份有限公司 | For laying the balance of machine and the synchronizer of cable |
| CN107020712A (en) * | 2017-06-12 | 2017-08-08 | 兰溪市夏华橡塑机械厂 | The sulfurizing mould of wall scroll cogged V-belt |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1062212C (en) | 2001-02-21 |
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