CN204093909U - Automobile half axle gear side cutting sewing machine - Google Patents
Automobile half axle gear side cutting sewing machine Download PDFInfo
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- CN204093909U CN204093909U CN201420605701.3U CN201420605701U CN204093909U CN 204093909 U CN204093909 U CN 204093909U CN 201420605701 U CN201420605701 U CN 201420605701U CN 204093909 U CN204093909 U CN 204093909U
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- side cutting
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Abstract
The utility model is specifically related to the improvement of automobile half axle gear side cutting sewing machine.It is high that object is to provide a kind of working (machining) efficiency, the automobile half axle gear side cutting sewing machine that crudy is good, comprise die shoe, the trim die that relative die shoe is fixing, and the punch be positioned at above trim die, described trim die inside top has the circle internal tooth form sword that the overlap treating machining straight bevel gear by adopting carries out cutting, there is below internal tooth form sword the material-dropping hole running through trim die bottom surface, described punch and internal tooth form sword are coaxially arranged, the upper end of punch is die shank, the lower end of punch is working end, the internal diameter of described material-dropping hole is not less than the tooth root diameter of a circle of internal tooth form sword.The utility model achieves the trimming of straight bevel gear outline, can get rid of topping operator, saves a large amount of human resources, reduce salary expens, raise labour efficiency, shorten the Product processing cycle, product deburring portion faces quality is good, and uniformity is high, and entirety is improved the quality of products.
Description
Technical field
The utility model belongs to automobile half axle gear manufacture field, is specifically related to the improvement of automobile half axle gear side cutting sewing machine.
Background technology
Automobile differential gear is straight bevel gear, because it uses the performance directly having influence on automobile, therefore requires higher to its craft precision.In automobile differential Gear Production industry, can there is burr, overlap in differential gear outline in forging and stamping and machining process.The method of tradition deburring is divided into two kinds: one adopts topping deburring manually, and its labor strength is large, efficiency is low, and deburring portion faces is of poor quality, and uniformity is poor, and easily occurs the phenomenon of leaking gum erosion sequence.One is that chamfering machine uses wheel grinding, and the operating time is long, and emery wheel waste is large, can not meet and produce in enormous quantities and processing.
Summary of the invention
The purpose of this utility model is to provide the automobile half axle gear side cutting sewing machine that a kind of working (machining) efficiency is high, crudy is good.
For achieving the above object, the technical scheme that the utility model adopts is: a kind of automobile half axle gear side cutting sewing machine, comprise die shoe, the trim die that relative die shoe is fixing, and the punch be positioned at above trim die, described trim die inside top has the circle internal tooth form sword that the overlap treating machining straight bevel gear by adopting carries out cutting, there is below internal tooth form sword the material-dropping hole running through trim die bottom surface, described punch and internal tooth form sword are coaxially arranged, the upper end of punch is die shank, the lower end of punch is working end, the internal diameter of described material-dropping hole is not less than the tooth root diameter of a circle of internal tooth form sword.
Preferred: the external diameter of the working end of described punch is less than the tooth top diameter of a circle of internal tooth form sword.
Preferred: the external diameter 1 ~ 1.4mm less of the tooth top diameter of a circle of internal tooth form sword of described punch working end.
Aforementioned arbitrary structures can be preferred further: the bottom of the working end of described punch has the die cavity of the boss holding straight bevel gear top to be processed, and this die cavity is coaxial with straight bevel gear to be processed.
Preferred: the gap between the sidewall of the sidewall of described die cavity and the boss on straight bevel gear top to be processed with 0.4 ~ 0.6mm.
Aforementioned arbitrary structures can be preferred further: described die shoe is provided with the through hole coaxial with material-dropping hole, and die shoe also has the blow tank that communicate vertical with through hole, and the height of blow tank is greater than the height of straight bevel gear to be processed.
Preferred: the bottom of described blow tank is connected with horizontally disposed baffle plate.
Aforementioned arbitrary structures can be preferred further: the top of described die shoe is fixed with the retainer plate coaxial with trim die, the bottom of described trim die is embedded in retainer plate, the external wall of upper portion of trim die has up-small and down-big step, at retainer plate top, there is blank holder, the inner side of blank holder is the up-small and down-big stepped hole coordinated with the step of trim die, and blank holder is formed fixing with retainer plate after compressing the step of trim die by this stepped hole by bolt.
Preferred: to be provided with backing plate between the bottom of described trim die and the top of die shoe, described backing plate has the hole coaxial with material-dropping hole, and the diameter of this hole is not less than the diameter of material-dropping hole.
The utility model has following beneficial effect: the utility model achieves the disposable pushing trimming of straight bevel gear outline, topping operator can be got rid of, save a large amount of human resources, reduce salary expens, raise labour efficiency, shorten the Product processing cycle, product deburring portion faces quality is good, uniformity is high, and entirety improves product quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of straight bevel gear to be processed;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the state diagram before the utility model carries out trimming action;
Fig. 4 is the state diagram after the utility model trimming action completes.
Detailed description of the invention
As shown in Figure 1 be the structure of straight bevel gear 1 to be processed, its top has boss 11, and bottom processes conical tooth, in process, define a circle overlap 12 outside the large end of conical tooth.The utility model is in order to carry out excision process two design to the overlap 12 of straight bevel gear 1.
As shown in Figure 2, a kind of automobile half axle gear side cutting sewing machine, comprises die shoe 2 and the punch 7 coaxial with die shoe 2 that coaxial die shoe 2, retainer plate 3, blank holder 5, backing plate 4, baffle plate, the trim die 6 arranged form.Described retainer plate 3 is bolted on the top of die shoe 2, and the bottom of described shaving die is embedded in retainer plate 3, forms interference fits between the bottom outer wall of shaving die and the inner ring of retainer plate 3, ensures to install rear axiality better.Described backing plate 4 is arranged between the bottom of trim die 6 and the top of die shoe 2, so that the pushing force being delivered to trim die 6 to punch 7 carries out buffering to a certain degree.It is inner that backing plate 4 is also positioned at retainer plate 3, and retainer plate 3 forms the spacing of horizontal direction to it, and die shoe 2 and trim die 6 form the location of vertical direction, so without the need to being fixed it by other parts to it again.The material that backing plate 4 adopts hardness to be less than trim die 6 is made, play the percussion that buffering trim die 6 is downward so better, reduce the reaction force of backing plate 4 pairs of trim dies 6, avoid producing recoil to trim die 6 to hit, trim die 6 inside is made to produce stress, and after backing plate 4 damage, then can change, one is that its structure is simple, two is that quality of fit between itself and miscellaneous part is less demanding, processing cost is also lower, therefore compared to replacing die shoe 2, carries out changing the cost can saving whole frock to backing plate 4.
Described blank holder 5 is positioned at the top of retainer plate 3, the external wall of upper portion of described trim die 6 has up-small and down-big step, the inner side of blank holder 5 is the up-small and down-big stepped hole coordinated with the step of trim die 6, and blank holder 5 is formed fixing with retainer plate 3 after compressing the step of trim die 6 by this stepped hole by bolt.
Described trim die 6 inside top has the circle internal tooth form sword 61 that the overlap 12 treating machining straight bevel gear by adopting 1 carries out cutting, the number of teeth of the straight bevel gear 1 that structure and its of internal tooth form sword 61 will be processed matches, the tip diameter of the large end of the straight bevel gear 1 that the root diameter of internal tooth form sword 61 will be processed with it respectively with tip diameter is identical with root diameter, so just can guarantee to excise overlap 12 completely, and ensure that the straight bevel gear after trimming 1 surface quality is good.
The tooth profile parameter of the internal tooth form sword 61 of trim die 6 designs threedimensional model according to its straight bevel gear 1 tooth profile parameter that will process, and according to model generation appearance profile editor wire cutting program, chopping cuts out blade shape, and cutting edge bottom is divided into material-dropping hole 62.
Described punch 7 is coaxially arranged with internal tooth form sword 61, and the upper end of punch 7 is die shank 71, and the lower end of punch 7 is working end, and the external diameter of the working end of described punch 7 is less than the tooth top diameter of a circle of internal tooth form sword 61.As preferably, in present embodiment, the external diameter 1 ~ 1.4mm less of the tooth top diameter of a circle of internal tooth form sword 61 of punch 7 working end.Even if the working end of punch 7 goes downwards to the inside of trim die 6 like this, also damage can not be caused to internal tooth form sword 61.
Because punch 7 requires there is certain contact area (pressing surface) with straight bevel gear 1, shape should be coincide substantially mutually with forging, uneven contact area or too little pressing surface, can make straight bevel gear 1 because of local compression, produces the defects such as bending, distortion and surface weigh wounded.Therefore, the bottom of the working end of described punch 7 has the die cavity 72 of the boss 11 holding straight bevel gear 1 top to be processed, and this die cavity 72 is coaxial with straight bevel gear 1 to be processed, guarantees the uniformity of the pushing force to straight bevel gear 1.For avoiding the working end of punch 7 to gnaw biting the transition face between the boss 11 on straight bevel gear 1 top and the installed surface of straight bevel gear 1, there is between the sidewall of the sidewall of described die cavity 72 and the boss 11 on straight bevel gear 1 top the gap of 0.4 ~ 0.6mm.
There is the material-dropping hole 62 running through trim die 6 bottom surface below the internal tooth form sword 61 of trim die 6, the internal diameter of described material-dropping hole 62 is not less than the tooth root diameter of a circle of internal tooth form sword 61, preferably the internal diameter of material-dropping hole 62 is greater than the tooth root diameter of a circle of internal tooth form sword 61, so that the straight bevel gear after trimming 1 can fall smoothly.Described backing plate 4 has the hole coaxial with material-dropping hole 62, and the diameter of this hole is not less than the diameter of material-dropping hole 62.Described die shoe 2 is provided with the through hole 21 coaxial with material-dropping hole 62, and the diameter of described through hole 21 is not less than the diameter of hole.Die shoe 2 also has the blow tank 22 that communicate vertical with through hole 21, and the height of blow tank 22 is greater than the height of straight bevel gear 1 to be processed, and the width of blow tank 22 is greater than the width of through hole 21.
Described baffle plate is horizontally disposed with to be closed the bottom of blow tank 22, and baffle plate is formed fixing by screw and die shoe 2.
During production, whole lower mold holder is connected with platen T-slot with T-shaped screw by U-type groove (not shown, this structure is prior art) bottom die shoe 2, and the die shank 71 of punch 7 inserts in punch press shank hole tightens trip bolt.Straight bevel gear 1 to be processed is placed on above the internal tooth form sword 61 of trim die 6, and punch 7 pushes downwards, and the overlap 12 of straight bevel gear 1 is sheared by the cutting edge of the internal tooth form sword 61 of trim die 6, is separated with straight bevel gear 1.In trimming process, punch 7 plays transmission of pressure effect, pushing straight bevel gear 1, internal tooth form sword 61 shear actions of trim die 6, after shearing completes, straight bevel gear 1 to be dropped on baffle plate by material-dropping hole 62 and pushes side slideway (push rod and side slideway not shown) by push rod, and overlap 12 is stayed on trim die 6, walks with forging clamp.
If process the straight bevel gear 1 of forge hot pressure, forging is trimming in hot state, has better plasticity, not easily cracks, but easily distortion is lost shape, and need carry out the shaping of forge hot profile of tooth.Forging trimming under cold state, working condition is good, and production efficiency is high, and forging is not yielding, and punch and matrix adjustment repair is convenient, but required tonnage is large, and more about than hot trimming stamping press 20%.Single-piece forging flash 12 mute time can complete in 3s.The utility model is particularly useful for the processing of medium and small straight bevel gear 1 forging, is conducive to improving Business Economic Benefit and the level of production.
The assembly technology of whole frock specific as follows: one, be fixed on die shoe 2 by connecing baffle plate under slotted countersunk flat head screw; Two, circle 3 is connected and fixed on die shoe 2 by hexagon socket cap head screw; Three, backing plate 4 is put into retainer plate 3; Four, trim die 6 is placed in space that retainer plate 3 and backing plate 4 formed; Five, blank holder 5 and trim die 6 hexagon socket cap head screw are fastened on retainer plate 3; Six, the die shank 71 of punch 7 is inserted in the shank hole of tilting slider of punch, and compress with trip bolt; Seven, regulate punch 7 and whole counterdie on a central axis, pass die shoe 2U type groove and tighten, be fixed on work bench of punch press by whole counterdie with T-shaped bolt, so far whole set of die assembling is complete.
Operation principle of the present utility model is: be placed on by straight bevel gear 1 to be processed on trim die 6 cutting edge, state as shown in Figure 3, slider of punch glides and drives punch 7 to be pushed by straight bevel gear 1 downwards, the cutting edge degree of depth entering the internal tooth form sword 61 of trim die 6 is about 2mm, overlap 12 is sheared by the cutting edge of the internal tooth form sword 61 of trim die 6, straight bevel gear 1 is separated simultaneously, straight bevel gear 1 is successively in material-dropping hole 62, hole, through hole 21 falls, fall on baffle plate, overlap 12 stays the top of trim die 6, state as shown in Figure 4, now with push rod, straight bevel gear 1 is pushed side slideway, and take overlap 12 away with forging pincers, so far trimming process is complete.
Claims (9)
1. an automobile half axle gear side cutting sewing machine, it is characterized in that: comprise the trim die that die shoe, relatively die shoe are fixed and the punch be positioned at above trim die, described trim die inside top has the circle internal tooth form sword that the overlap treating machining straight bevel gear by adopting carries out cutting, there is below internal tooth form sword the material-dropping hole running through trim die bottom surface, described punch and internal tooth form sword are coaxially arranged, the upper end of punch is die shank, the lower end of punch is working end, and the internal diameter of described material-dropping hole is not less than the tooth root diameter of a circle of internal tooth form sword.
2. automobile half axle gear side cutting sewing machine according to claim 1, is characterized in that: the external diameter of the working end of described punch is less than the tooth top diameter of a circle of internal tooth form sword.
3. automobile half axle gear side cutting sewing machine according to claim 2, is characterized in that: the external diameter 1 ~ 1.4mm less of the tooth top diameter of a circle of internal tooth form sword of described punch working end.
4. automobile half axle gear side cutting sewing machine as claimed in any of claims 1 to 3, it is characterized in that: the bottom of the working end of described punch has the die cavity of the boss holding straight bevel gear top to be processed, and this die cavity is coaxial with straight bevel gear to be processed.
5. automobile half axle gear side cutting sewing machine according to claim 4, is characterized in that: the gap between the sidewall of the sidewall of described die cavity and the boss on straight bevel gear top to be processed with 0.4 ~ 0.6mm.
6. automobile half axle gear side cutting sewing machine as claimed in any of claims 1 to 3, it is characterized in that: described die shoe is provided with the through hole coaxial with material-dropping hole, die shoe also has the blow tank that communicate vertical with through hole, and the height of blow tank is greater than the height of straight bevel gear to be processed.
7. automobile half axle gear side cutting sewing machine according to claim 6, is characterized in that: the bottom of described blow tank is connected with horizontally disposed baffle plate.
8. automobile half axle gear side cutting sewing machine as claimed in any of claims 1 to 3, it is characterized in that: the top of described die shoe is fixed with the retainer plate coaxial with trim die, the bottom of described trim die is embedded in retainer plate, the external wall of upper portion of trim die has up-small and down-big step, at retainer plate top, there is blank holder, the inner side of blank holder is the up-small and down-big stepped hole coordinated with the step of trim die, and blank holder is formed fixing with retainer plate after compressing the step of trim die by this stepped hole by bolt.
9. automobile half axle gear side cutting sewing machine according to claim 8, it is characterized in that: between the bottom of described trim die and the top of die shoe, backing plate is installed, described backing plate has the hole coaxial with material-dropping hole, and the diameter of this hole is not less than the diameter of material-dropping hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605701.3U CN204093909U (en) | 2014-10-20 | 2014-10-20 | Automobile half axle gear side cutting sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420605701.3U CN204093909U (en) | 2014-10-20 | 2014-10-20 | Automobile half axle gear side cutting sewing machine |
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| Publication Number | Publication Date |
|---|---|
| CN204093909U true CN204093909U (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420605701.3U Active CN204093909U (en) | 2014-10-20 | 2014-10-20 | Automobile half axle gear side cutting sewing machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396245A (en) * | 2018-11-26 | 2019-03-01 | 江苏理研科技股份有限公司 | A kind of bevel gear Burr removal mold |
| CN110125305A (en) * | 2019-06-18 | 2019-08-16 | 江苏太平洋精锻科技股份有限公司 | A kind of Car Change-speed Gear Box Binding Gear hot trimming mold |
| CN111230037A (en) * | 2020-01-16 | 2020-06-05 | 章丘市广大石化配件有限公司 | Production process of flange for improving utilization rate of raw materials |
| CN111531015A (en) * | 2020-04-29 | 2020-08-14 | 武义珍珍新能源科技有限公司 | Automatic punching and pushing mechanism for hardware punching part for manufacturing lamp body |
-
2014
- 2014-10-20 CN CN201420605701.3U patent/CN204093909U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396245A (en) * | 2018-11-26 | 2019-03-01 | 江苏理研科技股份有限公司 | A kind of bevel gear Burr removal mold |
| CN110125305A (en) * | 2019-06-18 | 2019-08-16 | 江苏太平洋精锻科技股份有限公司 | A kind of Car Change-speed Gear Box Binding Gear hot trimming mold |
| CN111230037A (en) * | 2020-01-16 | 2020-06-05 | 章丘市广大石化配件有限公司 | Production process of flange for improving utilization rate of raw materials |
| CN111531015A (en) * | 2020-04-29 | 2020-08-14 | 武义珍珍新能源科技有限公司 | Automatic punching and pushing mechanism for hardware punching part for manufacturing lamp body |
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