CN203993816U - Handle of a knife - Google Patents
Handle of a knife Download PDFInfo
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- CN203993816U CN203993816U CN201420470200.9U CN201420470200U CN203993816U CN 203993816 U CN203993816 U CN 203993816U CN 201420470200 U CN201420470200 U CN 201420470200U CN 203993816 U CN203993816 U CN 203993816U
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Abstract
The utility model relates to the welding procedure of handle of a knife, relates in particular to a kind of handle of a knife.Described handle of a knife is hollow-core construction, and the head end of described handle of a knife handle body is the tapered portion of convergent, and it is stifled that the end of described handle of a knife handle body is packaged with handle; Described tapered portion has outer convex region, the He Zhishen district of indent district of smooth connection successively along the axis of described handle of a knife; The camber line that the taper bus in described outer convex region is evagination; The camber line that the taper bus in described indent district is indent; Described Zhi Shen district comprises two rectangular slabs arranged in pairs, two rectangular slabs are symmetrical arranged along the axis of described handle of a knife, and between described two rectangular slabs, form cutter groove, the cell wall of described cutter groove and cutter hub to be welded fit, the axis conllinear of the longitudinal centre line of described cutter groove and described handle of a knife; Described Bing Du center has the detent caving in along the axis of described handle of a knife.The handle of a knife that utility model provides has solved the structure influence welding quality of traditional handle of a knife and the technical problem of efficiency.
Description
Technical field
The utility model relates to the welding field of handle of a knife, relates in particular to a kind of handle of a knife of being convenient to realize automatic welding.
Background technology
The head end of current handle of a knife mostly has tapered portion, and tapered portion is provided with breach, for plug-in mounting and weld cutter hub.
Be limited to the said structure of handle of a knife, make welding quality and the inefficiency of handle of a knife, concrete: the edge of tapered portion is irregular, before welding, need can to weld by plug-in mounting cutter hub after closing in or enlarging; After cutter hub plug-in mounting, contact with breach point or line contact, the goodness of fit of welding is poor, easily burn-through; Welding starting point cannot accurately be located, and weld seam irregularity, is difficult to realize follow-up grinding automation, and irregular weld seam can only be by manual operation grinding, and grinding process easily damages handle of a knife and conductor.
Utility model content
The purpose of this utility model is to provide a kind of handle of a knife, to solve the structure influence welding quality of traditional handle of a knife and the technical problem of efficiency.
Based on above-mentioned purpose, the utility model provides a kind of handle of a knife, be used for being welded on cutter hub, described handle of a knife is hollow-core construction, and the head end of described handle of a knife handle body is the tapered portion of convergent, it is stifled that the end of described handle of a knife handle body is packaged with handle, wherein: described tapered portion has outer convex region, the He Zhishen district of indent district of smooth connection successively along the axis of described handle of a knife; The camber line that the taper bus in described outer convex region is evagination; The camber line that the taper bus in described indent district is indent; The initial solder joint of described Zhi Shen district for welding, it comprises two rectangular slabs arranged in pairs, two rectangular slabs are symmetrical arranged along the axis of described handle of a knife, and form cutter groove between described two rectangular slabs, in described cutter groove, weld for the described cutter hub of pegging graft, the cell wall of described cutter groove and cutter hub to be welded fit, the axis conllinear of the longitudinal centre line of described cutter groove and described handle of a knife; Described Bing Du center has the detent caving in along the axis of described handle of a knife.
Optionally, the groove depth of described cutter groove is deeply to described indent district.
Optionally, the handle body of described handle of a knife comprises two semicircle cell bodies, and described two half slot somascope pictures arrange, and described two semicircle cell bodies are welded as a whole, and two weld seams of its formation and the axis of described handle of a knife are positioned at same plane.
Optionally, described rectangular slab is set to 1.5mm along the width of the axis direction of described handle of a knife, and the length of described rectangular slab is set to identical with the width in the plug-in mounting region of described cutter hub.
Optionally, the radius of curvature of the taper bus in described indent district is set to 14mm.
The handle of a knife that the utility model provides, the tapered portion of handle of a knife head end is set to comprise outer convex region, He Zhishen district of indent district, Bing Du center is provided with the groove caving in along handle of a knife axis.Under the mating reaction in He Zhishen district of indent district, enough follow-up grinding spaces are provided, effectively avoid grinding process to damage the problem of handle of a knife and cutter hub; The positioning action of Zhi Shen district fit, can guarantee to weld starting point and be positioned in Zhi Shen district, and Qie Zhishen district is set to rectangular slab, can fully be fitted on cutter hub, avoids burn-through handle of a knife and cutter hub; And the regular shape in rectangular plate shape Zhi Shen district, makes weld seam have more regularity, the positioning action of fit and enough follow-up grinding spaces, met the technological requirement of automatic welding.
Brief description of the drawings
Fig. 1 is that the master of the utility model handle of a knife looks schematic diagram;
Fig. 2 is the local enlarged diagram of Fig. 1;
Fig. 3 is that schematic diagram is looked on the right side of Fig. 1;
Fig. 4 is the schematic top plan view of the utility model handle of a knife;
Fig. 5 is that the master of the utility model handle of a knife and cutter hub assembling looks schematic diagram;
Fig. 6 is the local enlarged diagram of Fig. 5;
Fig. 7 is the schematic top plan view of the utility model handle of a knife and cutter hub assembling;
Fig. 8 is the FB(flow block) of the utility model welding procedure;
Fig. 9 is the FB(flow block) of the anti-skidding processing of the utility model.
Detailed description of the invention
Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.It should be noted that, in the accompanying drawing of present embodiment, shown " SBZZ ", " SHIBAZI " printed words; only that handle for handle of a knife is described has the font of caving in it; can increase skidproof effect, be not particular content and implication for the protection of font, and not for indicating product brand.
Handle of a knife embodiment
In conjunction with Fig. 1-4, the utility model provides a kind of handle of a knife, for being welded on cutter hub.
Described handle of a knife 100 is hollow-core construction, and the head end of described handle of a knife 100 is the tapered portion of convergent, and its end is packaged with handle stifled 110.Described tapered portion has smooth connection successively outer convex region 101,102He Zhishen district of indent district 103 along the axis of described handle of a knife 100, referring to Fig. 2 and 4, for clearly expressing outer convex region 101,102He Zhishen district of indent district 103, demarcate with dotted line in figure.The camber line that the taper bus in described outer convex region 101 is evagination, for realizing the smooth connection in Yu Wai convex region, straight tube grip zone 101 of handle of a knife 100.The camber line that the taper bus in described indent district 102 is indent, indent district 102 guaranteeing on the basis of the smooth connection in each region, provides enough large grinding to dodge space, effectively avoids the follow-up grinding operation damage to handle of a knife 100 and cutter hub.The initial solder joint of described Zhi Shen district 103 for welding, it comprises two rectangular slabs arranged in pairs, two rectangular slabs are symmetrical arranged along the axis of described handle of a knife 100, between described two rectangular slabs, form cutter groove 140, in described cutter groove 140, weld for the described cutter hub of pegging graft, the cell wall of described cutter groove 140 and cutter hub to be welded fit, the axis conllinear of the longitudinal centre line of described cutter groove 140 and described handle of a knife 100; Zhi Shen district 103 adopts Rectangular Plate Structure, can be fitted in preferably on cutter hub, guarantee to weld the degree of accuracy of starting point, avoiding welding starting point is positioned on handle of a knife edge or cutter hub and causes handle of a knife or cutter hub burn-through, and the regular shape of rectangular slab, the shape of guaranteeing weld seam has more regularity, and two rectangular slabs are symmetrical arranged the weld seam on cutter hub two sides is not misplaced, and are convenient to follow-up grinding operation.
Described handle Du110 center has the detent 111 caving in along the axis of described handle of a knife 100.Described detent 111 is in the weld job and follow-up grinding operation of handle of a knife and cutter hub, as the datum mark of the operations such as clamping, accurate in conjunction with aforesaid welding starting point, weld seam is regular and have enough grindings dodges the feature in space, meet the technological requirement that automation, mass weld, thereby ensureing on the basis of welding quality, significantly improving the efficiency of welding.
In a possibility of this embodiment, the groove depth of described cutter groove is deeply to described indent district 102, that is: the degree of depth of described cutter groove is greater than the axial width of described Zhi Shen district 103 along described handle of a knife, large as far as possible to guarantee the insertion depth of cutter hub, improves the globality of cutter hub and handle of a knife; And the degree of depth of described cutter groove is less than the axial width sum in described Zhi Shen district 103 and described indent district 102, with on the basis of globality of improving cutter hub and handle of a knife, guarantee the rigidity intensity of handle of a knife.
In another possibility of this embodiment, for improving the difficulty of processing of described handle of a knife, the handle body of described handle of a knife 100 is set to comprise two semicircle cell bodies, described two semicircle cell bodies fasten and are welded into handle body, accordingly, can realize the mass processing for semicircle cell body by Sheet Metal Forming Technology, and can accurately control the formed precision in outer convex region 101,102He Zhishen district of indent district 103 by adjusting the core shape of diel, improve the quality of handle body.Particularly: described handle of a knife 100 comprises two semicircle cell bodies, described two half slot somascope pictures arrange, described two semicircle cell bodies are welded as a whole, two weld seams 120 of its formation are positioned at same plane with the axis of described handle of a knife 100, coplanar feature makes handle of a knife more attractive in appearance, and is convenient to the clamping location of the operations such as welding, grinding.
Handle of a knife provided by the utility model, can set according to concrete job requirements flexibly for its concrete model.Determine by a large amount of experiments, the preferred plan that handle of a knife of the present utility model is applicable to general cutter hub is: referring to Fig. 4, described rectangular slab is set to 1.5mm along the width W 1 of the axis direction of described handle of a knife; The length L 1 of described rectangular slab is set to identical with the width in the plug-in mounting region of described cutter hub; The radius of curvature of the taper bus in described indent district 102 is set to 14mm.In this scheme, the length L of described rectangular slab 1 is set to identically with the width in the plug-in mounting region of described cutter hub, prevents the weld seam dislocation on cutter hub two sides and affect attractive in appearancely, and be conducive to follow-up grinding operation automation.
The welding method embodiment of handle of a knife and cutter hub
Referring to Fig. 5-9, this embodiment provides the welding method of a kind of handle of a knife 100 and cutter hub 200, handle of a knife in this embodiment adopts the handle of a knife described in embodiment mono-, embodiment mono-also belongs to this embodiment for the described technical scheme of handle of a knife, and embodiment mono-disclosed technical scheme is no longer repeated in this description.
Concrete, the method comprises the steps:
S100, described cutter hub 200 are inserted in the cutter groove of described handle of a knife 100.The state of assembling is referring to Fig. 5-7.
Cutter hub 200 and described handle of a knife 100 described in S200, heat treatment.Described heat treated temperature range is set to 1020 DEG C-1080 DEG C, 1050 DEG C ± 30 DEG C.
S300, datum mark using the detent 111 of described handle stifled 110 as clamping taking any point in described Zhi Shen district 103 as initial solder joint, weld in weld zone 130.In a possibility of this embodiment, the scope of described weld zone 130 is set to: be 27mm-29mm, i.e. 28mm ± 1mm along the length L 2 of described handle of a knife 100 axis vertical direction; Width W 2 along described handle of a knife 100 axis directions is 6.9mm-7.2mm; Thickness H2 is 1.2mm-2.2mm.Prove by many experiments, the scope setting of this weld zone, can with in embodiment mono-describe the 1.5mm width Zhi Shen district 103 of handle of a knife 100 and indent district 102 effect of matching of the R14mm of described handle of a knife 100, fully avoid the damage of follow-up grinding operation to cutter hub and handle of a knife, meet the requirement of automation process.
S400, measurement welding pool temperature, when temperature is down to electric furnace tempering process temperature requirement, enter electric furnace tempering insulation, after certain hour, comes out of the stove, and completes welding.In a possibility of this embodiment, when temperature is down to 80 DEG C ± 20 DEG C, enter electric furnace tempering insulation, the temperature setting of described tempering insulation is set to 160 degree, and the set of time of tempering insulation is 2 hours.Be incubated by tempering, make the controlled decline of welding pool temperature, eliminate weld gradient residual stress, prevent cutter distortion.Preferably, for guaranteeing temperature measurement accuracy, described welding pool temperature is measured by infrared thermometer.
S500, weld seam grinding and handle of a knife 100 surface anti-skidding processing.
Referring to Fig. 9, in a possibility of this embodiment, for the step of handle of a knife surface anti-skidding processing described in anti-skidding sense and comfort of holding that increases handle of a knife comprises:
S501,60# abrasive band are beaten slightly;
S502, the commonplace polishing of 200# sand;
S503, machine polishing;
S504, the commonplace polishing handle of a knife of 180# silk.
In a possibility of this embodiment, the lettering concave surface of traditional handle of a knife is deepened, change 1.0mm-1.2mm into by the original 0.8mm degree of depth, further to increase the anti-skidding sense of holding of handle of a knife.
To sum up, the handle of a knife providing by the utility model, and the welding method that provides of the utility model, the utility model has effectively realized that energy consumption is low, the circulation cycle is short, production efficiency is high and quality assurance.Provide under condition for follow-up automatic welding cancelling weld preheating, can meet the performance requirement of " martensitic stain less steel welding procedure principle " and product, eliminate post-weld stress, improve the performance of weld affected zone, ensure that the rich position of welding place intensity meets standard-required, ensure that postwelding heat affected area decay resistance reaches standard-required, realizes automation simultaneously advantage is provided.The technology that is as follows new technology product and original product is compared the advantage of existence and the effect producing:
1, the follow-up reconditioning processing of the weld seam effect of irregular of traditional welding handle of a knife, makes the automatic or semi-automatic location that is difficult to; As while welding cutter hub, cause handle of a knife welding end surface with cutter hub contact-making surface to put linear contact, be not face contact, handle is easily worn in welding; And handle of a knife of the present utility model be provided with 1.5mm directly stretch position as seam district, traditional design plays and stablizes the effect of petioliform and the uniformity of weld seam relatively, while making to weld cutter hub simultaneously, handle of a knife welding end surface is that face contacts with cutter hub contact-making surface, more identical when both weld, thus make the welding gun starting the arc be located and ensure the molten position, position that falls into of welding.
2, the indent district of handle of a knife of the present utility model coordinates two paired rectangular plate shape Zhi Shen districts, has effectively guaranteed two cell wall uniformity of cutter groove.
3, handle of a knife seam end face seam of the present utility model position conforms to the width at cutter hub seam position, in the same size, has effectively prevented the problems such as molten bath district depression.
4, handle of a knife welding cutter hub face of the present utility model and handle face transition arc are set to indent district, and radian is R14, reduce the space (welding scope) between circular arc, handle face, cutter hub three, for follow-up trimming grinding empty avoiding interference surface headspace, welding under the full condition of stockpiling area, meet mechanical grinding fabrication design.
5, welding method scolder fill area of the present utility model is set to length 28mm ± 1mm, width 6.9-7.2mm, and thickness 1.2-2.2mm, to coordinate Zhi Shen district and indent district, prevents that grinding from damaging cutter hub and handle of a knife, meets the technological requirement of automation; Secondly, handle of a knife of the present utility model, in the stifled notch feature that increases of handle, in the time of welding, grinding and rich position welding seam grinding, play positioning action, meanwhile, notch feature makes the central point of whole handle of a knife on same axle, make handle left and right balanced, symmetrical, make to process more convenient, quick, actual machineization produce.
6, original product design handle of a knife hold less, shortcoming human oriented design.Welding method of the present utility model, readjust structure and the slide-resistance of handle of a knife, realizing the ergonomical while of holding with a firm grip of staff, make the profile that handle is new coaxial with the central point of handle body, allow in production process to trimming grinding and polishing light handle shape, create conditions for realizing automatic Polishing; On the other hand, while allowing cutter use, be easy to hold with a firm grip, reduce fatigue, hold sense comfortable, be difficult for sliding hand.
Finally it should be noted that, above embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is had been described in detail with reference to preferred embodiment, those skilled in the art are to be understood that, can modify or be equal to replacement the technical solution of the utility model, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (5)
1. a handle of a knife, for being welded on cutter hub, is characterized in that, described handle of a knife is hollow-core construction, and the head end of described handle of a knife handle body is the tapered portion of convergent, and it is stifled that the end of described handle of a knife handle body is packaged with handle, wherein:
Described tapered portion has outer convex region, the He Zhishen district of indent district of smooth connection successively along the axis of described handle of a knife; The camber line that the taper bus in described outer convex region is evagination; The camber line that the taper bus in described indent district is indent; The initial solder joint of described Zhi Shen district for welding, it comprises two rectangular slabs arranged in pairs, two rectangular slabs are symmetrical arranged along the axis of described handle of a knife, and form cutter groove between described two rectangular slabs, in described cutter groove, weld for the described cutter hub of pegging graft, the cell wall of described cutter groove and cutter hub to be welded fit, the axis conllinear of the longitudinal centre line of described cutter groove and described handle of a knife;
Described Bing Du center has the detent caving in along the axis of described handle of a knife.
2. handle of a knife according to claim 1, is characterized in that, the groove depth of described cutter groove is deeply to described indent district.
3. handle of a knife according to claim 1, it is characterized in that, the handle body of described handle of a knife comprises two semicircle cell bodies, and described two half slot somascope pictures arrange, described two semicircle cell bodies are welded as a whole, and two weld seams of its formation and the axis of described handle of a knife are positioned at same plane.
4. handle of a knife according to claim 1, is characterized in that, described rectangular slab is set to 1.5mm along the width of the axis direction of described handle of a knife, and the length of described rectangular slab is set to identical with the width in the plug-in mounting region of described cutter hub.
5. handle of a knife according to claim 1, is characterized in that, the radius of curvature of the taper bus in described indent district is set to 14mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420470200.9U CN203993816U (en) | 2014-08-19 | 2014-08-19 | Handle of a knife |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420470200.9U CN203993816U (en) | 2014-08-19 | 2014-08-19 | Handle of a knife |
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| Publication Number | Publication Date |
|---|---|
| CN203993816U true CN203993816U (en) | 2014-12-10 |
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|---|---|---|---|
| CN201420470200.9U Active CN203993816U (en) | 2014-08-19 | 2014-08-19 | Handle of a knife |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191420A (en) * | 2014-08-19 | 2014-12-10 | 李有维 | Cutter handle and welding method for cutter handle and cutter body |
| CN112123285A (en) * | 2020-09-09 | 2020-12-25 | 阳江市睿盈科技有限公司 | Welding cutter and manufacturing method thereof |
-
2014
- 2014-08-19 CN CN201420470200.9U patent/CN203993816U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191420A (en) * | 2014-08-19 | 2014-12-10 | 李有维 | Cutter handle and welding method for cutter handle and cutter body |
| CN104191420B (en) * | 2014-08-19 | 2016-05-04 | 李有维 | The welding method of handle of a knife and this handle of a knife and cutter hub |
| CN112123285A (en) * | 2020-09-09 | 2020-12-25 | 阳江市睿盈科技有限公司 | Welding cutter and manufacturing method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |