CN202498092U - Mould for extrusion forming of tooth parts of tooth-shaped components - Google Patents
Mould for extrusion forming of tooth parts of tooth-shaped components Download PDFInfo
- Publication number
- CN202498092U CN202498092U CN2012201001845U CN201220100184U CN202498092U CN 202498092 U CN202498092 U CN 202498092U CN 2012201001845 U CN2012201001845 U CN 2012201001845U CN 201220100184 U CN201220100184 U CN 201220100184U CN 202498092 U CN202498092 U CN 202498092U
- Authority
- CN
- China
- Prior art keywords
- die
- mould
- tooth
- workpiece
- profiled parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Forging (AREA)
Abstract
The utility model discloses a mould for the extrusion forming of tooth parts of tooth-shaped components, which comprises an upper die and a lower die, wherein the upper die comprises a concave die, the concave die is provided with an extrusion hole along an axis of the concave die, the lower end face of the concave die is provided with a ring slot for forming a workpiece boss, the extrusion hole of the concave die is provided with an internal tooth structure above the ring slot, the upper end of the internal tooth structure of the extrusion hole is provided with a limiting structure for being in top press fit with the top end of a workpiece, the limiting structure is provided with a top press limiting surface, the lower die comprises a die body, and the upper end face of the die body is provided with a positioning hole. According to the mould for the extrusion forming of tooth parts of tooth-shaped components disclosed by the utility model, a workpiece is extruded through a roof bar, and an extruded part of the workpiece is formed into an external tooth in the internal tooth structure; and when the mould is used for processing tooth-shaped components, the tooth-shaped components can be performed extrusion forming just through fixing the upper die on a slide block of a press machine, fixing the lower die on an operating platform and then starting the press machine, therefore, the mould is easy to operate and high in processing efficiency, and a root of a extruded tooth is firm and not easy to break.
Description
Technical field
The utility model belongs to the extrusion molding dies field, relates to a kind of extrusion molding dies of profiled parts.
Background technology
Profiled parts has obtained extensive use owing to have good anti-vibration, locking, high temperature resistant, connection and locking effect in the Aeronautics and Astronautics engine art, and the structure of profiled parts is shown in accompanying drawing 1; Comprise the body of rod, body of rod mid portion evagination is used to be supported on the boss on the body when being provided with and using, on the body of rod outside an end of boss is arranged to the dentation structure; Relevant criterion to the freedom from vibration of profiled parts, heat-resisting ability, locking property, connection firmly, anti-loosening property, safe and reliable etc. special requirement is arranged all, this just requires anti-vibration performance, locking functions and the size of profiled parts all must be controlled within certain scope, so the processing and forming instrument of this profiled parts tooth portion is particularly important; And prior art adopts the milling machine milling mostly, and working (machining) efficiency is low, complicated operation; Cost is high; The axle tooth is insecure, has bigger mismachining tolerance, and percent defective is high; The streamline of processing back metal is destroyed; Axle tooth frangible is difficult to reach the vibration requirement of standard code, and the uniformity of size can't guarantee.
The utility model content
The purpose of the utility model is to provide a kind of profiled parts tooth portion mould that extrusion modling is used, and complicated operation in the prior art, working (machining) efficiency are low to solve, the problem of the tooth root frangible that processes.
For realizing above-mentioned purpose; The utility model adopts following technical scheme: the mould that the extrusion modling of a kind of profiled parts tooth portion is used; Comprise upper die and lower die, described patrix comprises die, and die offers extruded hole from bottom to top along its axis; The lower surface of die upwards offers the annular groove that is used for the shaping workpiece boss along its axis; Is provided with interior toothing in the top of annular groove in the extruded hole of die, the upper end of the interior toothing of extruded hole is provided with and is used for the position limiting structure that cooperates with workpiece top roof pressure, has the roof pressure confined planes on the position limiting structure; Described counterdie comprises die body, be provided with on the upper surface of described die body when counterdie and patrix are used and the extruded hole dead in line of patrix die be used to support the locating hole of locating workpiece.
Described die comprises die case and is installed in the die plate insert in the die case that described extruded hole is arranged on the die plate insert.
Described extruded hole is a through hole, and described position limiting structure is to be inserted with the push rod that is used for the roof pressure workpiece in the top of interior toothing in the extruded hole of die plate insert, and the lower surface of push rod is the roof pressure confined planes.
Be connected with spring on the outer peripheral face of described push rod and between the upper surface of die.
Described push rod comprises the knockout rod that the pressure ram that is plugged in the extruded hole and pressure ram top are provided with, and is provided with the shaft shoulder between pressure ram and the knockout rod, and described spring connects and is arranged between the shaft shoulder and the die plate insert.
The periphery of described die case is arranged with Upper Die-sleeve, and the Upper Die-sleeve setting is stretched out in the lower end of die, receives in the lower end of Upper Die-sleeve is provided with to turn edge, and the upper end of die case is provided with to turn edge with interior receipts and laminates extending out of cooperating and turn edge.
Be provided with in the upper surface of die in the endoporus of Upper Die-sleeve when being used to install die at the die packing ring of direction upper limit upwards.
The upper surface of Upper Die-sleeve is provided with and is used for and the fixing transverse slat of press, and the upper surface of described die packing ring cooperates with the lower surface roof pressure of transverse slat.
Be inserted with the lower push rod that is used for supporting workpiece in the locating hole on the described die body.
The lower surface of described lower mold body is provided with and is used for counterdie is fixed to the fixed block on the workbench.
The mould that a kind of profiled parts tooth portion extrusion modling of the utility model is used through roof pressure confined planes extruding workpiece, is molded into external tooth with the workpiece part of expansion in interior toothing; In annular groove, be molded into boss, the utility model processing profiled parts only needs patrix is fixed on the forcing press working head; Counterdie is fixed on the workbench, and the starting pressure machine gets final product extrusion modling, and is simple to operate; Working (machining) efficiency is high, and it is firm to add the tooth root of extrusion, not frangible.
Further, described position limiting structure is a push rod, reduces the production cost of die, the processing of convenient interior toothing.
Further, die is divided into die plate insert and die case, when die breaks, only needs to change die plate insert and gets final product, and has reduced the cost of changing die.
Further, the spring that is provided with between push rod and the die is used to support push rod, plays cushioning effect.
Further, push rod is divided into pressure ram and knockout rod, conveniently machines the back and takes out part.
Further, spacing through the die packing ring, further reduced the production cost of die.
Further, the transverse slat of setting has made things convenient for installing and fixing of patrix.
Further, be provided with lower push rod, mould is processed the part of differing heights, increased the versatility of mould.
Further, the fixed block of setting has made things convenient for installing and fixing of counterdie.
Description of drawings
Fig. 1 is the profiled parts structural representation;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the structural representation of the patrix of the utility model;
Fig. 4 is the structural representation of the counterdie of the utility model;
Fig. 5 is the utility model workpiece to be processed installment state sketch map;
Fig. 6 is the utility model user mode sketch map;
Fig. 7 is the scheme of installation of slide block die shank of patrix and the crank press of the utility model.
The specific embodiment
The embodiment of the mould that the extrusion modling of a kind of profiled parts tooth portion is used; Shown in Fig. 3-4, comprise patrix 1 and counterdie 2, described patrix 1 comprises the Upper Die-sleeve 11 of tubular; The upper end of Upper Die-sleeve 11 is provided with transverse slat 12; The coaxial die 13 that is provided with in the endoporus of Upper Die-sleeve 11, the lower end of die 13 stretch out Upper Die-sleeve 11 lower ends and are provided with, and die 13 comprises die case 131 and is arranged on the die plate insert 132 in the die case; Die plate insert offers extruded hole from bottom to top along its axis; The lower surface of die plate insert 132 upwards offers the annular groove 133 that is used for the shaping workpiece boss along its axis, is provided with the interior toothing 16 that is used for toothing outside the shaping workpiece in the top of annular groove in the extruded hole of die plate insert 132, receives in the lower end of Upper Die-sleeve 11 is provided with to turn edge; The upper end of die case 131 is provided with to turn edge with interior receipts and laminates extending out of cooperating and turn edge; Be provided with the die packing ring 17 of die 13 at the direction upper limit that makes progress in the top of die 13 in the endoporus of Upper Die-sleeve 11, the upper surface of die packing ring 17 cooperates with the lower surface roof pressure of transverse slat 12, and the lower surface of die packing ring 17 cooperates with the upper surface roof pressure of die 13; The interior push rod 14 that is used for the roof pressure workpiece that is inserted with in the top of interior toothing of the extruded hole of die plate insert; The lower surface of push rod 14 is the roof pressure confined planes, and push rod 14 comprises the shaft shoulder 143 that is provided with between knockout rod 142 that the pressure ram 141 that is plugged in the die extruded hole and pressure ram top are provided with and pressure ram and the knockout rod, is connected with spring 15 between the upper surface of the lower surface of the shaft shoulder 143 and die plate insert 132; Counterdie 2 comprises lower mold body 21; The upper surface of lower mold body offers the hole 22 that is used for the workpiece support location downwards along its axis, is inserted with the lower push rod 23 that is used for supporting workpiece in the hole 22, and the lower surface of lower mold body is provided with and is used for counterdie is fixed to the fixed block 24 on the workbench.
The foregoing description shown in Fig. 5-7, is installed in patrix in the hole of die shank 51 of slide block 5 of crank press in use, fixes knockout plate 52 in the upper end of knockout rod; Fastening good, counterdie is installed on the workbench of crank press, fastening good; Again 3 of workpieces to be processed are placed in the hole of lower mold body, and are supported on lower push rod upper end, opening pressure machine; Can carry out the extrusion modling processing of tooth portion, after machining, make the slide block of crank press drive the patrix return; When the lathe backhaul when the certain position, knockout rod together receives the barrier effect of the limited block 53 that is provided with on the lathe with the knockout plate on the lathe slide block, along with the continuation backhaul of lathe; After knockout plate is stressed, power is passed to knockout rod, knockout rod will eject part from matrix cavity; Push rod is return under the effect of spring force, takes off workpiece, promptly accomplishes the tooth portion processing and forming of workpiece.
In other embodiment, described die can also directly be made up of core rod.
In other embodiment, in the extruded hole of described die push rod can also be set, the extruded hole of die is arranged to blind hole, the diapire of blind hole is the roof pressure confined planes.
In other embodiment, between push rod and the die spring can also be set, push rod is directly fixed with the slide block of crank press, during the taking-up part, by external force with part by taking out in the die.
In other embodiment, on the described Upper Die-sleeve transverse slat can also be set, the fixing transverse slat of usefulness is arranged on the crank press.
In other embodiment, on the lower surface of lower mold body fixed block can also be set, by the clamp mechanism on the workbench on the lathe counterdie is clamped.
In other embodiment, can also lower push rod be set in the hole of lower mold body, blind hole is made in the hole.
In other embodiment, the top of described die can also not be provided with the die packing ring, and the height increase with die makes the upper surface of die cooperate with the lower surface roof pressure of transverse slat.
In other embodiment, can not turn edge through interior receipts and extend out to turn edge between described die case and the Upper Die-sleeve laminates assembling, can screw to change through internal and external threads between die case and the Upper Die-sleeve and join.
Claims (10)
1. the mould used of profiled parts tooth portion extrusion modling; It is characterized in that; Comprise upper die and lower die, described patrix comprises die, and die offers extruded hole from bottom to top along its axis; The lower surface of die upwards offers the annular groove that is used for the shaping workpiece boss along its axis; Is provided with interior toothing in the top of annular groove in the extruded hole of die, the upper end of the interior toothing of extruded hole is provided with and is used for the position limiting structure that cooperates with workpiece top roof pressure, has the roof pressure confined planes on the position limiting structure; Described counterdie comprises die body, be provided with on the upper surface of described die body when counterdie and patrix are used and the extruded hole dead in line of patrix die be used to support the locating hole of locating workpiece.
2. the mould that the extrusion modling of profiled parts tooth according to claim 1 portion is used is characterized in that, described die comprises die case and be installed in the die plate insert in the die case that described extruded hole is arranged on the die plate insert.
3. the mould that the extrusion modling of profiled parts tooth according to claim 2 portion is used; It is characterized in that; Described extruded hole is a through hole, and described position limiting structure is to be inserted with the push rod that is used for the roof pressure workpiece in the top of interior toothing in the extruded hole of die plate insert, and the lower surface of push rod is the roof pressure confined planes.
4. the mould that the extrusion modling of profiled parts tooth according to claim 3 portion is used is characterized in that, is connected with spring on the outer peripheral face of described push rod and between the upper surface of die.
5. the mould that the extrusion modling of profiled parts tooth according to claim 4 portion is used; It is characterized in that; Described push rod comprises the knockout rod that the pressure ram that is plugged in the extruded hole and pressure ram top are provided with; Be provided with the shaft shoulder between pressure ram and the knockout rod, described spring connection is arranged between the shaft shoulder and the die plate insert.
6. the mould that the extrusion modling of profiled parts tooth according to claim 5 portion is used; It is characterized in that; The periphery of described die case is arranged with Upper Die-sleeve; The lower end that Upper Die-sleeve is stretched out in the lower end of die is provided with, and receives in the lower end of Upper Die-sleeve is provided with to turn edge, and the upper end of die case is provided with to turn edge with interior receipts and laminates extending out of cooperating and turn edge.
7. the mould that the extrusion modling of profiled parts tooth according to claim 6 portion is used is characterized in that, is provided with in the upper surface of die in the endoporus of Upper Die-sleeve when being used to install die at the die packing ring of direction upper limit upwards.
8. the mould that the extrusion modling of profiled parts tooth according to claim 7 portion is used is characterized in that, the upper surface of Upper Die-sleeve is provided with and is used for and transverse slat that press is fixing, and the upper surface of described die packing ring cooperates with the lower surface roof pressure of transverse slat.
9. the mould that the extrusion modling of profiled parts tooth according to claim 1 portion is used is characterized in that, is inserted with the lower push rod that is used for supporting workpiece in the locating hole on the described die body.
10. the mould that the extrusion modling of profiled parts tooth according to claim 9 portion is used is characterized in that the lower surface of described lower mold body is provided with and is used for counterdie is fixed to the fixed block on the workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201001845U CN202498092U (en) | 2012-03-16 | 2012-03-16 | Mould for extrusion forming of tooth parts of tooth-shaped components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201001845U CN202498092U (en) | 2012-03-16 | 2012-03-16 | Mould for extrusion forming of tooth parts of tooth-shaped components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202498092U true CN202498092U (en) | 2012-10-24 |
Family
ID=47034720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201001845U Expired - Fee Related CN202498092U (en) | 2012-03-16 | 2012-03-16 | Mould for extrusion forming of tooth parts of tooth-shaped components |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202498092U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104416003A (en) * | 2013-08-23 | 2015-03-18 | 重庆长安工业(集团)有限责任公司 | Cold-extruding forming method of small toothed blind perforated part |
| CN104723037A (en) * | 2015-03-20 | 2015-06-24 | 北京科技大学 | Automotive transmission input shaft composite forming process and forging mold |
| CN106825193A (en) * | 2017-04-06 | 2017-06-13 | 青岛德盛机械制造有限公司 | A kind of processing unit (plant) for the cylindrical uniform groove of crank-pin |
-
2012
- 2012-03-16 CN CN2012201001845U patent/CN202498092U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104416003A (en) * | 2013-08-23 | 2015-03-18 | 重庆长安工业(集团)有限责任公司 | Cold-extruding forming method of small toothed blind perforated part |
| CN104723037A (en) * | 2015-03-20 | 2015-06-24 | 北京科技大学 | Automotive transmission input shaft composite forming process and forging mold |
| CN104723037B (en) * | 2015-03-20 | 2017-06-13 | 北京科技大学 | Automotive transmission input shaft combined forming process and forge die |
| CN106825193A (en) * | 2017-04-06 | 2017-06-13 | 青岛德盛机械制造有限公司 | A kind of processing unit (plant) for the cylindrical uniform groove of crank-pin |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202290828U (en) | One-step forming die for gear shaft | |
| CN202498092U (en) | Mould for extrusion forming of tooth parts of tooth-shaped components | |
| CN201012375Y (en) | Eyelet punching flanging composite mold | |
| CN201008901Y (en) | Primary molding mould with special-shaped hole stepped gear wheel | |
| CN102825084B (en) | Cold extrusion device, and female die and male die thereof | |
| CN102814350B (en) | Sawtooth-shaped hole cold-extruding device and male die and female die thereof | |
| CN201120449Y (en) | Fixture of vehicle seat basin punch member and screwed cap punch rivet connection | |
| CN205270705U (en) | Car vehicle lamp parts rivets equipment | |
| CN213701464U (en) | Extrusion compound die for bolt production | |
| CN102069125A (en) | Straight line porous combination punching die | |
| CN113020380B (en) | Step-by-step stamping forming method | |
| CN204866871U (en) | A internal spline cold extrusion equipment for auto steering pump shaft | |
| CN201423409Y (en) | Die for manufacturing set piston of hydraulic brake pump | |
| CN203578424U (en) | Accurate centering device for vibrating and cold extruding moulding | |
| CN205147202U (en) | Screw rod precision forming die | |
| CN201500731U (en) | Punching, drawing and forming composite die for grinding disk of motor | |
| CN220718954U (en) | Quick replacement type car mould grinding head | |
| CN205464134U (en) | Cylinder isothermal forging extrusion die punch -die positioner | |
| CN211165291U (en) | Metal fluoroplastic bush production mold | |
| CN210023844U (en) | Hole expanding tool of press machine | |
| CN210966811U (en) | Outer hexagonal processingequipment of stainless steel hexagon head bolt head | |
| CN202570807U (en) | Mold for machining square locking part of high-locked nut | |
| CN202753039U (en) | Multifunctional vise | |
| CN202366983U (en) | Sawtooth-shaped hole cold extrusion device and female die as well as male die thereof | |
| CN212884446U (en) | A mould for key embryo punching machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20170316 |