CN205436984U - Gear side cut compound die that punches a hole - Google Patents
Gear side cut compound die that punches a hole Download PDFInfo
- Publication number
- CN205436984U CN205436984U CN201620196796.7U CN201620196796U CN205436984U CN 205436984 U CN205436984 U CN 205436984U CN 201620196796 U CN201620196796 U CN 201620196796U CN 205436984 U CN205436984 U CN 205436984U
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- trimming
- compound
- gear
- forcing press
- punch
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Abstract
The utility model belongs to the technical field of gear machining, concretely relates to gear side cut compound die that punches a hole, including the punching device of the coaxial setting of top -down, cut edge profile of tooth mould, side cut die holder and control system down, punching device includes press and compound drift, and the lower tip of compound drift is provided with first component level mesa and second component level mesa, side cut die holder up end is provided with spacing heavy platform, and the side cut die holder is the circumference equipartition and is provided with two at least radial dogs, and the outer tip of radial dog is provided with the power push rod, the utility model discloses an aspect can effectively be accomplished to punch a hole earlier and afterwards cut edge and exempt from to make the complex drift to imbed the gear hole and the passive situation that can't extract, on the other hand can exempt the gear that causes that punches a hole earlier again and collide with to reach the multiple operation operation of cutting edge and bringing in the back, improved the production efficiency of machine tooling.
Description
Technical field
This utility model belongs to gear machining technology field, is specifically related to a kind of gear punching trimming compound die.
Background technology
In the history that differential mechanism PRECISION-FORGED STRAIGHT BEVEL GEARS produces, its production technology have passed through to be changed for several times.Before the 1980s, differential mechanism straight bevel gear continues to use traditional machining cone tooth profile of tooth mostly, i.e. uses Gleason gear shaper gear-shaping molding, not only wastes material, and production efficiency is extremely low；Thus enter nineteen nineties, PRECISION-FORGED STRAIGHT BEVEL GEARS is because having energy-conservation, material-saving, durable and gradually replace traditional cutting gear, this advanced technologies is willing to accept by gear industry and purchaser, but PRECISION-FORGED STRAIGHT BEVEL GEARS is through the development in nearly twenty or thirty year, lifting, saves this theme of material and be not reaching to optimum efficiency all the time.
Present PRECISION-FORGED STRAIGHT BEVEL GEARS, its basic technology is: blanking → peeling → mono-fire two forging → cold-trim(ming)s → ball blast → brill endoporus → car outline → finish turning endoporus → broaching internal spline → cleaning → heat treatment carburizing and quenching → ball blast → grinding datum clamp face.Bevel gear making industry, make an effort on outline machining allowance always, but this machine adds surplus to be limited by upper/lower die center offsetting amount and forging equipment top shoe gap again, straight-tooth semi-axle bevel gear forging stock radial slack can only be controlled at about 1.5mm, and for the interior Porous materials of axle shaft gear, never it is utilized effectively, especially for large aperture (φ 50～φ 70) gear, drilling is still used to remove endoporus raw material, the most not only working (machining) efficiency is low, drill bit consumes height, and serious waste raw material.
Utility model content
This utility model is in order to improve stock utilization and machining (exempt from boring) efficiency of PRECISION-FORGED STRAIGHT BEVEL GEARS, and provides a kind of punching trimming compound die, the profile of tooth overlap of periphery when the endoporus gross weight of gear and open type forging during to reach to wash away finish forge simultaneously.
This utility model be the technical scheme is that
A kind of gear punching trimming compound die, including the hole punched device being coaxially disposed from top to bottom, trimming lower toothed mould, trimming die shoe and control system, described hole punched device includes forcing press and the compound punch of the motion end being arranged on forcing press, and the bottom of described compound punch is provided with in the first step-like component level table top and the second component level table top；Described trimming die shoe upper surface is provided with the spacing heavy stand corresponding with trimming lower toothed mould coupling, the most uniform at least two radial stop that is provided with of described trimming die shoe, described radial stop outer end is provided with the power push-rod driving radial stop to diametrically reciprocate.
Further, it is provided with fixing supporting mechanism between described forcing press motion end and compound punch, described fixing supporting mechanism includes fixing, with the slide block of forcing press motion end, the cope match-plate pattern being connected, be fixedly installed on compound punch upper end punch holder and the pressing plate that coupling is pressed in punch holder, be bolted to connection between described pressing plate and cope match-plate pattern.
Further, described trimming die shoe is integrated casting or welding fabrication, has material taking mouth before and after trimming die shoe, and the bottom of trimming die shoe is provided with cushion pad.
Further, described control system includes the travel switch at upper and lower spacing place, PLC device and the electromagnetic valve being arranged on forcing press.
Further, described power push-rod is cylinder, hydraulic cylinder or electric pushrod.
Further, described forcing press is closed type single point press.
The beneficial effects of the utility model are: this utility model a kind of gear punching trimming compound die on the one hand can efficiently accomplish first punching after trimming and the passive situation exempting to make compound punch embed bore and cannot extract；On the other hand can exempt again the gear that first punching causes to collide with, and the multiple operation operation that rear edge-cutting belt comes, improve mach production efficiency；Control system, by being provided the operating position signal of forcing press by travel switch, controls electromagnetic valve action by PLC device, is driven the reciprocating motion of radial stop further by power push-rod so that radial stop completes synchronization telescope.
Accompanying drawing explanation
Fig. 1 is this utility model one gear die cut edge compound die original state structural representation.
Fig. 2 is the upper limit dotted state schematic diagram that this utility model a kind of gear die cut edge compound die is in equipment.
Fig. 3 is the lower limit dotted state schematic diagram that this utility model a kind of gear die cut edge compound die is in equipment.
In figure: 1, hole punched device；101, compound punch；102, the first component level table top；103, the second component level table top；104, punch holder；105, pressing plate；106, cope match-plate pattern；2, trimming lower toothed mould；3, trimming die shoe；4, radial stop；5, power push-rod.
Detailed description of the invention
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings:
As shown in FIG. 1 to 3, a kind of gear punching trimming compound die, including the hole punched device 1 being coaxially disposed from top to bottom, trimming lower toothed mould 2, trimming die shoe 3 and control system, described hole punched device 1 includes forcing press and the compound punch 101 of the motion end being arranged on forcing press, and the bottom of described compound punch 101 is provided with in the first step-like component level table top 102 and the second component level table top 103；nullIt is provided with fixing supporting mechanism between described forcing press motion end and compound punch 101，Described fixing supporting mechanism includes fixing the cope match-plate pattern 106 being connected with the slide block of forcing press motion end、It is fixedly installed on the punch holder 104 of compound punch 101 upper end、The pressing plate 105 being pressed in punch holder 104 with coupling，It is bolted to connection between described pressing plate 105 and cope match-plate pattern 106，Described trimming die shoe 3 upper surface is provided with mates corresponding spacing heavy stand with trimming lower toothed mould 2，Described trimming die shoe 3 is integrated welding fabrication or casting，Material taking mouth is had before and after trimming die shoe 3，The bottom of trimming die shoe 3 is provided with cushion pad，The most uniform radial stop 4 being provided with two or more of described trimming die shoe 3，Described radial stop 4 outer end is provided with the power push-rod 5 driving radial stop 4 to diametrically reciprocate，Described power push-rod 5 is cylinder、Hydraulic cylinder or electric pushrod；Described control system includes the travel switch at upper and lower spacing place, PLC device and the electromagnetic valve being arranged on forcing press, the operating position signal of forcing press is given by travel switch, control electromagnetic valve action by PLC device, driven the reciprocating motion of radial stop 4 further by power push-rod 5.
Time specifically used, first assemble, debug, calibrate gear punching trimming compound die, the Gear Forging Stock of forging and molding is placed in trimming lower toothed mould 2, starting the descending action of forcing press, forcing press is closed type single point press, the most descending action of compound punch 101, contacted with the punching recess upper surface of Gear Forging Stock shank by the first component level table top 102 of compound punch 101, the thickness of punching recess is 6mm～10mm, and forcing press continues traveling downwardly action, completes the punching operation of Gear Forging Stock；After punching operation completes, forcing press continues traveling downwardly action, second component level table top 103 of compound punch 101 and Gear Forging Stock shank end contact, action is continued traveling downwardly along with forcing press, compound punch 101 and Gear Forging Stock are the most descending, and Gear Forging Stock periphery profile of tooth overlap completes trimming operation under the effect of trimming lower toothed mould 2；Forcing press continues traveling downwardly action, and Gear Forging Stock continues traveling downwardly to the lower limit of forcing press with compound punch 101；Signal is passed to electromagnetic valve by PLC device by the travel switch at lower limit, controls power push-rod 5 action by electromagnetic valve, and radial stop 4 stretches out, and the upper surface dislocation laminating of radial stop 4 end and Gear Forging Stock；After the pushing action of power push-rod 5 completes, forcing press starts up action, Gear Forging Stock is under the downward thrusting action of the up action of compound punch 101 and radial stop 4, Gear Forging Stock is made to depart from compound punch 101, Gear Forging Stock falls on the cushion pad bottom trimming die shoe 3, and forcing press continues to go up to upper limit；Now, signal is passed to electromagnetic valve by PLC device by the travel switch at upper limit, controls power push-rod 5 action by electromagnetic valve, makes radial stop 4 retract, so far complete the punching trimming of whole Gear Forging Stock.
The embodiment of the above, simply preferred embodiment of the present utility model, and unrestricted this utility model practical range, therefore all equivalence changes done according to structure, feature and the principle described in this utility model the scope of the claims or modify, all should be included in this utility model claim.
Claims (6)
1. a gear punching trimming compound die, it is characterized in that: include hole punched device (1), trimming lower toothed mould (2), trimming die shoe (3) and the control system being coaxially disposed from top to bottom, described hole punched device (1) includes forcing press and the compound punch (101) of the motion end being arranged on forcing press, and the bottom of described compound punch (101) is provided with in the first step-like component level table top (102) and the second component level table top (103)；Described trimming die shoe (3) upper surface is provided with the spacing heavy stand corresponding with trimming lower toothed mould (2) coupling, the most uniform at least two radial stop (4) that is provided with of described trimming die shoe (3), described radial stop (4) outer end is provided with the power push-rod (5) driving radial stop (4) to diametrically reciprocate.
Gear punching trimming compound die the most according to claim 1, it is characterized in that: between described forcing press motion end and compound punch (101), be provided with fixing supporting mechanism, described fixing supporting mechanism includes fixing the cope match-plate pattern (106) being connected with the slide block of forcing press motion end, be fixedly installed on compound punch (101) upper end punch holder (104) and the pressing plate (105) that coupling is pressed in punch holder (104), be bolted to connection between described pressing plate (105) and cope match-plate pattern (106).
Gear punching trimming compound die the most according to claim 1, it is characterized in that: described trimming die shoe (3) is integrated casting or welding fabrication, have material taking mouth before and after trimming die shoe (3), the bottom of trimming die shoe (3) is provided with cushion pad.
Gear punching trimming compound die the most according to claim 1, it is characterised in that: described control system includes the travel switch at upper and lower spacing place, PLC device and the electromagnetic valve being arranged on forcing press.
Gear punching trimming compound die the most according to claim 1, it is characterised in that: described power push-rod (5) is cylinder, hydraulic cylinder or electric pushrod.
Gear punching trimming compound die the most according to claim 1, it is characterised in that: described forcing press is closed type single point press.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620196796.7U CN205436984U (en) | 2016-03-15 | 2016-03-15 | Gear side cut compound die that punches a hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620196796.7U CN205436984U (en) | 2016-03-15 | 2016-03-15 | Gear side cut compound die that punches a hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205436984U true CN205436984U (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620196796.7U Active CN205436984U (en) | 2016-03-15 | 2016-03-15 | Gear side cut compound die that punches a hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205436984U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562577A (en) * | 2016-03-15 | 2016-05-11 | 洛阳华冠齿轮股份有限公司 | Gear punching and trimming compound mold and method thereof |
| CN106424674A (en) * | 2016-09-29 | 2017-02-22 | 华南理工大学 | Cylinder-driving punching trimming die structure and punching edge trimming method thereof |
-
2016
- 2016-03-15 CN CN201620196796.7U patent/CN205436984U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105562577A (en) * | 2016-03-15 | 2016-05-11 | 洛阳华冠齿轮股份有限公司 | Gear punching and trimming compound mold and method thereof |
| CN106424674A (en) * | 2016-09-29 | 2017-02-22 | 华南理工大学 | Cylinder-driving punching trimming die structure and punching edge trimming method thereof |
| CN106424674B (en) * | 2016-09-29 | 2018-05-15 | 华南理工大学 | A kind of hydraulic oil cylinder driving punching trimming mode structure and its punching method for cutting edge |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |