CN204277215U - A kind of many row's dog chain laser automatic welding devices - Google Patents
A kind of many row's dog chain laser automatic welding devices Download PDFInfo
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- CN204277215U CN204277215U CN201420650048.2U CN201420650048U CN204277215U CN 204277215 U CN204277215 U CN 204277215U CN 201420650048 U CN201420650048 U CN 201420650048U CN 204277215 U CN204277215 U CN 204277215U
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Abstract
The utility model provides a kind of many row's dog chain laser automatic welding devices, belong to machining equipment field, comprise automatic laser welding machine and bearing, described bearing is provided with the gear that can coordinate with dog chain to be welded, the tooth pitch of gear and the pitch-matched of described dog chain, this gear is driven by drive unit, and the flank of tooth of this gear is towards the plumb joint of described automatic laser welding machine, and the gear teeth of described gear have at least 2 to arrange.Compare traditional freezing due to automatic laser welding machine and have that weld width is little, heat affected area is little, it is little to be out of shape, speed of welding is fast, smooth welded seam, the effect such as attractive in appearance, and postwelding is without the need to processing or only needing simple process, weldquality is high, pore-free, can accurately control, focal spot is little, positioning precision is high, easily realizes automation.Therefore the dog chain that the many rows dog chain laser automatic welding device provided by the utility model is welded out has the little advantage of high-quality, high yield, low cost and environmental pollution compared to existing technology.
Description
Technical field
The utility model relates to machining equipment field, arranges dog chain laser automatic welding device in particular to one more.
Background technology
Dog chain is one of driving member of extensive use in machine driving, and dog chain single under many occasions can not meet the demand of the manufacturing, often needs the dog chain of two rows, the even more rows of three rows.Arrange dog chain by method welded together for multiple single dog chain being produced at present more.
In prior art, many row's dog chain modes that many employings are freezed when producing are welded, freeze as welding manner the most traditional, although its implementation cost is low, its inferior position is also given prominence to very much, and such as poor welding quality, potential safety hazard are large, after freezing, sprocket wheel exists and significantly weld trace, not only affect attractive in appearance, the more important thing is and may make troubles to use, can not use even at all, percent defective is high, causes cost to remain high.
Utility model content
The utility model provides a kind of many row's dog chain laser automatic welding devices, is intended to improve the problems referred to above.
The utility model is achieved in that
A kind of many row's dog chain laser automatic welding devices, comprise automatic laser welding machine and bearing, described bearing is provided with the gear that can coordinate with dog chain to be welded, the tooth pitch of gear and the pitch-matched of described dog chain, this gear is driven by drive unit, the flank of tooth of this gear is towards the plumb joint of described automatic laser welding machine, and the gear teeth of described gear have at least 2 to arrange.
Dog chain to be welded snaps on the gear teeth of gear by this equipment in use, open automatic laser welding machine, open driving arrangement driven gear to rotate, dog chain can be welded by the plumb joint of automatic laser welding machine, can automatic welding be realized by the operation bench be connected with automatic laser welding machine.Compare traditional freezing due to automatic laser welding machine and have that weld width is little, heat affected area is little, it is little to be out of shape, speed of welding is fast, smooth welded seam, the effect such as attractive in appearance, and postwelding is without the need to processing or only needing simple process, weldquality is high, pore-free, can accurately control, focal spot is little, positioning precision is high, easily realizes automation.Therefore there is high-quality, high yield, low cost and environmental pollution little advantage compared to existing technology.
Further, described bearing comprises two axle sleeves arranged in opposite directions, and be provided with rotating shaft in two described axle sleeves, gear is connected with this axis of rotation, and this rotating shaft is driven by motor.Above-mentioned connected mode is the mode of more employing during current machining makes, and it is simple that it has structure, the advantages such as processing cost is low, reliable transmission.
In process of production, technical staff finds, dog chain, when just touching gear, can't fasten with the gear teeth of gear easily, the situations such as skew may occur, and causes unnecessary trouble generation.In order to improve this problem, further, described gear is connected by key with rotating shaft, and the both sides of gear are provided with its laminating and the coaxial locating wheel arranged, and the diameter of described locating wheel is greater than the diameter of this gear.By the positioning action of locating wheel, substantially can ensure that dog chain can not produce skew, make comparatively stable being fastened on the gear teeth of gear of dog chain.
In process of production, technical staff has also found a problem, through the equipment of long-time running, gear and locating wheel may because coordinate closely or other problems and producing in rotating shaft move left and right, the not positive butt joint of the working face of gear can be caused like this, cause welding not tight, produce quality problems.In order to improve this problem, further, described rotating shaft is provided with the fixture preventing locating wheel from moving left and right in rotating shaft.
Its concrete form is the block of the sidepiece being arranged at locating wheel, and this block, by bolt and rotating shaft close-fitting, is guaranteed to produce loosening.The setting of this fixture can comparatively effectively prevent from gear and locating wheel from producing in rotating shaft moving left and right.
In order to enable dog chain to be welded comparatively neat by last item, snap on the gear teeth, further, described bearing is also provided with can the combing portion of combing dog chain to be welded.The effect in this combing portion is combing smooth for dog chain to be welded, makes it easierly snap on the gear teeth.
Further, described combing portion is rectangular slab, and the bottom of described rectangular slab is provided with the groove by described dog chain, the afterbody of described bearing be also provided with described rectangular slab with the use of roller bearing.Dog chain passes in groove, and rectangular slab and groove can be guaranteed that dog chain is easier and snap on the gear teeth.The setting of roller bearing can make dog chain take in the above, makes it easier by groove, better completes welding job.
In the process of welding, high-octane laser pulse carries out dog chain in tiny area local heat that what plumb joint sent have, the energy of laser emission is by the diffusion inside of heat transfer to material, specific molten bath can be formed by after dog chain fusing, and the existence of the teeth groove of gear may cause dog chain to be out of shape, therefore pad in teeth groove is needed to establish a cushion block, and in order to prevent cushion block and dog chain from jointly melting common condensation, further, the fusing point anti-grume different from the fusing point of described dog chain is provided with in the teeth groove of described gear.
Further, described anti-grume red copper is made.The anti-grume that red copper is made has extraordinary effect, can guarantee that on the one hand the two can not be solidified to together, also guarantees comparatively intact welded together of dog chain on the other hand, does not produce distortion.
Further, the gear teeth of described gear have 4 rows.The gear teeth of 4 rows can meet most demand of producing.
Further, the cooling system that the temperature that described many row's dog chain laser automatic welding devices also comprise the working face that can make described gear reduces.Cooling system can make the working face temperature of gear be unlikely to too high, ensures the security of whole equipment.
The beneficial effects of the utility model are: many rows dog chain laser automatic welding device that the utility model is obtained by above-mentioned design, when welding dog chain, dog chain to be welded is snapped on the gear teeth of gear, open automatic laser welding machine, open driving arrangement driven gear to rotate, dog chain can be welded by the plumb joint of automatic laser welding machine.Compare traditional freezing due to automatic laser welding machine and have that weld width is little, heat affected area is little, it is little to be out of shape, speed of welding is fast, smooth welded seam, the effect such as attractive in appearance, and postwelding is without the need to processing or only needing simple process, weldquality is high, pore-free, can accurately control, focal spot is little, positioning precision is high, easily realizes automation.Therefore there is high-quality, high yield, low cost and environmental pollution little advantage compared to existing technology.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, be briefly described to the accompanying drawing used required in embodiment below, be to be understood that, the following drawings illustrate only some embodiment of the present utility model, therefore the restriction to scope should be counted as, for those of ordinary skill in the art, under the prerequisite not paying creative work, other relevant accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of many rows dog chain laser automatic welding device that the utility model embodiment provides;
Fig. 2 is the top view of the bearing of many rows dog chain laser automatic welding device that the utility model embodiment provides;
Fig. 3 is the structural representation of the rectangular slab of many rows dog chain laser automatic welding device that the utility model embodiment provides;
Fig. 4 is the front view of the gear of many rows dog chain laser automatic welding device that the utility model embodiment provides;
Fig. 5 is the top view of the gear of many rows dog chain laser automatic welding device that the utility model embodiment provides;
Fig. 6 is the schematic diagram of the another kind of kind of drive of the gear of many rows dog chain laser automatic welding device that the utility model provides.
Figure acceptance of the bid note is respectively:
101-automatic laser welding machine; 102-bearing; 103-gear; 104-motor; 105-plumb joint; 106-dog chain; 107-axle sleeve; 108-rotating shaft; 109-locating wheel; 110-fixture; 111-rectangular slab; 112-groove; 113-roller bearing; The anti-grume of 114-; The 115-gear teeth; 116-blower fan; 117-operation bench; 118-last item; 119-waist-shaped hole; 120-bolt; 121-gripper shoe; 122-driving wheel.
Detailed description of the invention
Dog chain is one of driving member of extensive use in machine driving, and dog chain single under many occasions can not meet the demand of the manufacturing, often needs the dog chain of two rows, the even more rows of three rows.Arrange dog chain by method welded together for multiple single dog chain being produced at present more.
In prior art, many row's dog chain modes that many employings are freezed when producing are welded, freeze as welding manner the most traditional, although its implementation cost is low, its inferior position is also given prominence to very much, and such as poor welding quality, potential safety hazard are large, after freezing, sprocket wheel exists and significantly weld trace, not only affect attractive in appearance, the more important thing is and may make troubles to use, can not use even at all, percent defective is high, causes cost to remain high.
Given this, technical staff is by many-sided study tour, and permanent practice test, find that the many rows dog chain welded by automatic laser welding machine is compared traditional product produced that freezes and had the little advantage of high-quality, high yield, low cost and environmental pollution, by above-mentioned conclusion, technical staff devises a kind of many row's dog chain laser automatic welding devices, improves the production present situation of many row's dog chains with this.
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.Therefore, below to the detailed description of the embodiment of the present utility model provided in the accompanying drawings and the claimed scope of the present utility model of not intended to be limiting, but selected embodiment of the present utility model is only represented.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-Fig. 5, the utility model embodiment provides a kind of many row's dog chain laser automatic welding devices and comprises automatic laser welding machine 101 and bearing 102, described bearing 102 is provided with the gear 103 mated with dog chain to be welded 106, this gear 103 is driven by drive unit, the flank of tooth of this gear 103 is towards plumb joint 105, the tooth pitch of gear 103 and the pitch-matched of dog chain 106 to be welded of described automatic laser welding machine 101.
Dog chain 106 to be welded snaps on the gear teeth 115 of gear 103 by this equipment in use, open automatic laser welding machine 101, open driving arrangement driven gear 103 to rotate, dog chain 106 can be welded by the plumb joint 105 of automatic laser welding machine 101, can automatic welding be realized by the operation bench 117 be connected with automatic laser welding machine 101.Compare traditional freezing due to laser weld and have that weld width is little, heat affected area is little, it is little to be out of shape, speed of welding is fast, smooth welded seam, the effect such as attractive in appearance, and postwelding is without the need to processing or only needing simple process, weldquality is high, pore-free, can accurately control, focal spot is little, positioning precision is high, easily realizes automation.Therefore there is high-quality, high yield, low cost and environmental pollution little advantage compared to existing technology.
As described above, its concrete structure is not limited to a certain concrete form for the basic structure of this equipment and general principle, in order to clearly explain, adopts some concrete forms to limit it below.
In the present embodiment, the concrete connected mode of bearing 102 and gear 103 is: described bearing 102 comprises two axle sleeves arranged in opposite directions 107, be provided with rotating shaft 108 in two described axle sleeves 107, gear 103 and this rotating shaft 108 are rotationally connected, and this rotating shaft 108 is driven by motor 104.
It is connected mode more specifically, refers to Fig. 2, is respectively provided with an axle sleeve 107, is provided with bearing in axle sleeve 107 in the both sides of bearing 102, and the two ends of rotating shaft 108 and this bearing interference fit, its one end projecting shaft holds, and is connected with motor 104.Gear 103 is connected with rotating shaft 108 key, specifically can adopt flat key or spline.Flat key is adopted to connect in the present embodiment.
Because motor 104 output speed is higher, and needing lower speed when welding dog chain 106, between motor 104 and rotating shaft 108, being therefore connected with a reductor, realizing the adjustment to speed with this.
Above-mentioned connected mode is the mode of more employing during current machining makes, and it is simple that it has structure, the advantages such as processing cost is low, reliable transmission.The utility model additionally provides the another kind of kind of drive, refer to Fig. 6, rotating shaft 108 is arranged with a driving wheel 122, driving wheel 122 has the tooth mated with the gear teeth 115 of gear 103, engage the rotation that also can realize gear 103 by driving wheel 122 and gear 103.
Preferably, gear 103 is provided with the waist-shaped hole 119 of annular spread, the effect of this waist-shaped hole 119 is the weight reducing gear 103, and gear 103 is more easily rotated.
In process of production, technical staff finds, dog chain 106, when just touching gear 103, can't be easy to fasten with the gear teeth 115 of gear 103, the situations such as skew may occur, and causes unnecessary trouble generation.In order to improve this problem, technical staff is respectively provided with one with its laminating and the coaxial locating wheel 109 arranged in the both sides of gear 103, the diameter of described locating wheel 109 is greater than the diameter of this gear 103.By the positioning action of locating wheel 109, substantially can ensure that dog chain 106 can not produce skew, on the gear teeth 115 being fastened on gear 103 making dog chain 106 comparatively stable.
In order to better improve this problem, technical staff has added a last item 118 again above gear 103, the axis being parallel of its axis and gear 103, and last item 118 is near gear 103, dog chain 106 can be pressed on the gear teeth 115 when gear 103 rotates, guarantee its firm fastening.In order to not make last item 118 shelter from plumb joint 105, the position of last item 118 need offset to one side.
In process of production, technical staff has also found a problem, through the equipment of long-time running, gear 103 and locating wheel 109 may because coordinate closely or other problems and producing in rotating shaft 108 move left and right, the not positive butt joint 105 of the working face of gear 103 can be caused like this, cause welding not tight, produce quality problems.
In order to improve this problem, technical staff is provided with the fixture 110 preventing locating wheel 109 from moving left and right in rotating shaft 108 in rotating shaft 108, its concrete form is the block of the sidepiece being arranged at locating wheel 109, and this block, by bolt 120 and rotating shaft 108 close-fitting, is guaranteed to produce loosening.The setting of this fixture 110 can comparatively effectively prevent from gear 103 and locating wheel 109 from producing in rotating shaft 108 moving left and right.
The concrete form of certain fixture 110 is not limited to above-mentioned, also can be other distortion.
In order to make that dog chain 106 to be welded can be comparatively neat by last item 118, snap on the gear teeth 115, technical staff is provided with on bearing 102 can the combing portion of combing dog chain 106 to be welded.The effect in this combing portion is combing smooth for dog chain 106 to be welded, makes it easierly snap on the gear teeth 115.
Its concrete form is: described combing portion is rectangular slab 111, and the bottom of described rectangular slab 111 is provided with the groove 112 by described dog chain 106.This rectangular slab 111 is by stentplacement on bearing 102, and the plane at groove 112 place is basic concordant with the bottom surface of last item 118.Dog chain 106 passes in groove 112, and rectangular slab 111 and groove 112 can be guaranteed that dog chain 106 is easier and snap on the gear teeth 115.
Further, the afterbody of bearing 102 be also provided with described rectangular slab 111 with the use of roller bearing 113.This roller bearing 113 is also fixed on base by support, and the plane at roller bearing 113 upper surface place is basic concordant with groove 112.The setting of roller bearing 113 can make dog chain 106 take in the above, makes it easier by groove 112, better completes welding job.
Same, in order to make the arrangement that the dog chain after welding 106 can be neat, be also provided with a gripper shoe 121 at the opposite side of bearing, gripper shoe 121 can be played a supporting role to the dog chain 106 after welding, can comparatively neat lining up.
In the process of welding, high-octane laser pulse carries out dog chain 106 in tiny area local heat that what plumb joint 105 sent have, the energy of laser emission is by the diffusion inside of heat transfer to material, dog chain 106 can be melted the specific molten bath of rear formation, and the existence of the teeth groove of gear 103 may cause dog chain 106 to be out of shape, therefore pad in teeth groove is needed to establish a cushion block, and in order to prevent cushion block and dog chain 106 from jointly melting common condensation, concrete set-up mode is herein: be provided with the anti-grume 114 that fusing point is different from the fusing point of described dog chain 106 in the teeth groove of described gear 103.
Technical staff finds, the anti-grume 114 using fusing point to make lower than the red copper of the fusing point of dog chain 106 has extraordinary effect.
Red copper is industrial pure copper, and its fusing point is 1083 DEG C.And dog chain many employings steel make, its fusing point is at least 1538 DEG C, and the fusing point of visible red copper is far below the fusing point of dog chain.Anti-grume 114 1 aspect that red copper is made can guarantee that the two can not be solidified to together, also guarantees comparatively intact welded together of dog chain 106 on the other hand, does not produce distortion.
Further, the row of the gear teeth 115 of gear 103 can be many rows, but is at least no less than 2 rows, and preferred 4-5 row, can meet most demand of producing.
Also mention above, can be very high in the flank of tooth temperature of welding process middle gear 103, in order to not make its temperature too high, bearing 102 is provided with a cooling system, this cooling system can make the temperature of the working face of described gear 103 reduce.In the present embodiment, this cooling system is embodied as the blower fan 116 be arranged on bearing 102.
By above-mentioned design, the many rows obtained dog chain laser automatic welding device, the welding job of dog chain is arranged in realization that can be comparatively intact more, and welding many rows dog chain out has the little advantage of high-quality, high yield, low cost and environmental pollution.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. arrange dog chain laser automatic welding device one kind more, it is characterized in that, comprise automatic laser welding machine and bearing, described bearing is provided with the gear that can coordinate with dog chain to be welded, the tooth pitch of gear and the pitch-matched of described dog chain, this gear is driven by drive unit, and the flank of tooth of this gear is towards the plumb joint of described automatic laser welding machine, and the gear teeth of described gear have at least 2 to arrange.
2. many row's dog chain laser automatic welding devices according to claim 1, it is characterized in that, described bearing comprises two axle sleeves arranged in opposite directions, and be provided with rotating shaft in two described axle sleeves, gear is connected with this axis of rotation, and this rotating shaft is driven by motor.
3. many row's dog chain laser automatic welding devices according to claim 2, it is characterized in that, described gear is connected by key with rotating shaft, the both sides of gear be provided with its laminating and the coaxial locating wheel arranged, the diameter of described locating wheel is greater than the diameter of this gear.
4. many row's dog chain laser automatic welding devices according to claim 3, it is characterized in that, described rotating shaft is provided with the fixture preventing locating wheel from moving left and right in rotating shaft.
5. many row's dog chain laser automatic welding devices according to claim 1, is characterized in that, described bearing is also provided with can the combing portion of combing dog chain to be welded.
6. many row's dog chain laser automatic welding devices according to claim 5, it is characterized in that, described combing portion is rectangular slab, and the bottom of described rectangular slab is provided with the groove by described dog chain, the afterbody of described bearing be also provided with described rectangular slab with the use of roller bearing.
7. many row's dog chain laser automatic welding devices according to claim 1, is characterized in that, be provided with the anti-grume that fusing point is different from the fusing point of described dog chain in the teeth groove of described gear.
8. many row's dog chain laser automatic welding devices according to claim 7, it is characterized in that, described anti-grume red copper is made.
9. many row's dog chain laser automatic welding devices according to claim 1, it is characterized in that, the gear teeth of described gear have 4 rows.
10. many row's dog chain laser automatic welding devices according to claim 1, is characterized in that, the cooling system that the temperature that described many row's dog chain laser automatic welding devices also comprise the working face that can make described gear reduces.
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CN201420650048.2U CN204277215U (en) | 2014-11-02 | 2014-11-02 | A kind of many row's dog chain laser automatic welding devices |
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CN201420650048.2U CN204277215U (en) | 2014-11-02 | 2014-11-02 | A kind of many row's dog chain laser automatic welding devices |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111483266A (en) * | 2020-06-04 | 2020-08-04 | 金华市金飞饰品有限公司 | Gear type automatic transmission and positioning system for drilling press |
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2014
- 2014-11-02 CN CN201420650048.2U patent/CN204277215U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111483266A (en) * | 2020-06-04 | 2020-08-04 | 金华市金飞饰品有限公司 | Gear type automatic transmission and positioning system for drilling press |
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