CN211464542U - Punch of powder metallurgy inner gear ring die - Google Patents
Punch of powder metallurgy inner gear ring die Download PDFInfo
- Publication number
- CN211464542U CN211464542U CN201922488238.4U CN201922488238U CN211464542U CN 211464542 U CN211464542 U CN 211464542U CN 201922488238 U CN201922488238 U CN 201922488238U CN 211464542 U CN211464542 U CN 211464542U
- Authority
- CN
- China
- Prior art keywords
- drift
- powder metallurgy
- punch
- position sleeve
- protrusion
- 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.)
- Active
Links
Images
Landscapes
- Powder Metallurgy (AREA)
Abstract
The utility model discloses a powder metallurgy ring gear mould drift, including bearing the pressure pad, set up protrusion drift and position sleeve on bearing the pressure pad, be provided with the inner hole tooth on the protrusion drift, the position sleeve stacks up through the bolt fastening pressure-bearing pad, the protrusion drift stacks up through position sleeve fixed connection pressure-bearing pad, the position sleeve is connected with protrusion drift interference fit, and the position sleeve is provided with the surfacing layer with the upper and lower contact site of protrusion drift. The utility model provides a powder metallurgy ring gear mould drift structure is brief, workable, and the practicality is strong.
Description
Technical Field
The utility model belongs to the mould drift field, specifically speaking relate to a powder metallurgy ring gear mould drift.
Background
The powder metallurgy special-shaped punch die is high in required strength, high in hardness and high in precision, and is generally assembled by adopting common machining, heat treatment, aging treatment, electromachining and grinding, wherein the electromachining adopts inner hole linear cutting, outer diameter electric spark discharging, the whole process of twice clamping, a tool clamp required to be manufactured is more wasted, the surface of the die is easy to be machined and hardened after discharging, the upper and lower straightness of the matching surface of the die is poor, the required later grinding amount is large, the process is complicated, the position precision is poor, the number of processing dies is large, and the production efficiency is low.
Therefore, the prior art is subject to further improvement and development.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, a powder metallurgy inner gear die punch is proposed to improve the position accuracy and efficiency, reduce the number of processes, and reduce the die production cost.
The utility model provides a following technical scheme:
the utility model provides a powder metallurgy ring gear mould drift, wherein, includes the pressure pad, sets up protrusion drift and position sleeve on the pressure pad, be provided with the inner hole tooth on the protrusion drift, the position sleeve is stacked up through bolted fixation on the pressure pad, the protrusion drift is through position sleeve fixed connection to pressure pad on, the position sleeve is connected with protrusion drift interference fit, and the position sleeve is provided with the surfacing layer with the upper and lower contact site of protrusion drift.
The utility model provides a powder metallurgy ring gear mould drift, wherein, protruding drift bottom outer lane sets up outer platform, and outer platform diameter is greater than the position sleeve internal diameter.
A punch of a powder metallurgy inner gear ring die is characterized in that the diameter of an outer table is 0.3% larger than the inner diameter of a positioning sleeve.
The utility model provides a powder metallurgy ring gear mould drift, wherein, border setting is used for argon arc to weld the chamfer that the build-up welding formed the welded connection layer about the position sleeve.
The punch of the powder metallurgy inner gear ring die is characterized in that the chamfer angle is 45 degrees, and the width in the dimension axial direction is 1.5 mm.
The utility model provides a powder metallurgy ring gear mould drift, wherein, the pressure pad periphery sets up the step.
Has the advantages that:
the utility model provides a powder metallurgy ring gear mould drift, for the assembling die, the structure is brief, easy equipment, has reduced the mould manufacturing process, has improved mould assembly position precision, has improved production efficiency, has reduced manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram of a punch of a powder metallurgy inner gear ring die in a specific embodiment of the invention;
fig. 2 is a top view of the punch of the powder metallurgy ring gear die in the embodiment of the present invention.
In the figure: 10-protruding punch, 11-inner hole teeth, 20-positioning sleeve, 30-bolt, 40-pressure bearing pad and 50-surfacing layer.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following description, together with the drawings of the present invention, clearly and completely describes the technical solution of the present invention, and based on the embodiments in the present application, other similar embodiments obtained by those skilled in the art without creative efforts shall all belong to the protection scope of the present application. In addition, directional terms such as "upper", "lower", "left", "right", etc. in the following embodiments are directions with reference to the drawings only, and thus, the directional terms are used for illustration and not for limitation of the present invention.
A punch of an inner gear ring die in powder metallurgy is shown in figure 1 and comprises a protruding punch 10, a locating sleeve 20, a bolt 30, a pressure bearing pad 40 and a surfacing layer 50. Protruding drift 10 and position sleeve 20 set up on bearing pad 40, be provided with interior hole tooth 11 on the protruding drift 10, position sleeve 20 is fixed in bearing pad 40 through bolt 30 on, protruding drift 10 is through position sleeve 20 fixed connection to bearing pad 40 on, position sleeve 20 is connected with protruding drift 10 interference fit, and position sleeve 20 and the upper and lower contact site of protruding drift 10 are provided with surfacing layer 50.
Further, an outer table is arranged on the outer ring of the bottom of the protruding punch 10, and the diameter of the outer table is larger than the inner diameter of the positioning sleeve, so that the positioning sleeve 20 and the protruding punch 10 are in interference fit conveniently.
Preferably, the interference fit method of the locating sleeve 20 and the protruding punch 10 adopts an excircle type built-in process, that is, the locating sleeve 20 is heated, the locating sleeve 20 expands, the protruding punch 10 with a diameter slightly larger than that of the locating sleeve 20 is installed in the heating locating sleeve 20, after the locating sleeve 20 is cooled to room temperature, the protruding punch 10 can be tightly wrapped by the locating sleeve 20, the locating sleeve 20 is fixed with the pressure bearing pad 40 through the bolt 30, and then the protruding punch 10 is fixed and limited on the pressure bearing pad 40.
Preferably, the diameter of the outer land is 0.3% greater than the inner diameter of the locating sleeve.
Further, the border sets up the chamfer that is used for argon arc to weld the build-up welding and forms welded connection layer about the position sleeve 20, is convenient for with the pile up of the build-up welding layer that appears when position sleeve 20 and the welding of protrusion drift 10, avoids the structural influence of welding layer to the mould drift, does benefit to mould drift overall structure and levels.
Preferably, the chamfer angle is 45 ° and the width in the axial direction of the dimension is 1.5 mm.
Further, a step is arranged on the periphery of the pressure bearing pad 40.
The manufacture of the components of the invention is further illustrated by the following specific example 1:
specific example 1:
(1) protruding punch 10: the outer platform is turned out before heat treatment by adopting Cr12MoV material, after heat treatment, the outer platform is ground to be round by an outer circle, the size of the outer circle is 0.3 percent larger than the inner diameter of the limiting sleeve, the upper end face and the lower end face are ground to be flat, and three ribs of the inner hole tooth form and the outer circle are cut into the ribs at one time by a slow-moving wire.
(2) Positioning sleeve 20: finish turning an inner hole and end faces, turning 1.5X45 DEG at two ends, grinding the upper end face and the lower end face, and drilling and tapping 6-threaded holes.
(3) Pressure-bearing pad 40: and (4) drilling an installation step hole after turning, carrying out heat treatment, and grinding the upper end face and the lower end face.
When the combined installation is carried out, the positioning sleeve 20 is heated and burned to be red, the outer diameter of the protruding punch 10 is hot-assembled, then the positioning sleeve and the protruding punch are naturally cooled, after the positioning sleeve and the protruding punch are hot-assembled, the upper chamfer and the lower chamfer are welded firmly by argon arc welding, after the natural cooling, the upper end face of the protruding punch 10 is inversely inserted into a middle die, the positioning sleeve and the protruding punch are put on a flat grinding machine together, and the bottom face of the protruding punch 10 is ground by the flat grinding machine. After the positioning sleeve 20 and the pressure bearing pad 40 are firmly connected by using a 6-M10 bolt, the outer diameter and the step surface of the pressure bearing pad 40 are turned, and the step parallelism of the pressure bearing pad 40 is ensured.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (6)
1. The utility model provides a powder metallurgy ring gear mould drift, its characterized in that, includes the pressure pad, sets up protrusion drift and position sleeve on the pressure pad, be provided with the inner hole tooth on the protrusion drift, the position sleeve is rested on through the bolt fastening pressure pad, the protrusion drift is rested on through position sleeve fixed connection pressure pad, the position sleeve is connected with protrusion drift interference fit, and the position sleeve is provided with the surfacing layer with the upper and lower contact site of protrusion drift.
2. The punch of the powder metallurgy inner gear ring die as claimed in claim 1, wherein an outer table is arranged on an outer ring of the bottom of the protruding punch, and the diameter of the outer table is larger than the inner diameter of the locating sleeve.
3. The powder metallurgy ring gear die punch of claim 2, wherein the outer land diameter is 0.3% larger than the locating sleeve inner diameter.
4. The punch of the powder metallurgy inner gear ring die as claimed in claim 3, wherein chamfers for forming a welding connection layer by argon arc welding surfacing welding are arranged on the upper edge and the lower edge of the positioning sleeve.
5. The powder metallurgy ring gear die punch according to claim 4, wherein the chamfer angle is 45 ° and the width in the dimension axial direction is 1.5 mm.
6. The punch of the powder metallurgy ring gear die according to claim 1, wherein the pressure bearing pad is provided with a step on the periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922488238.4U CN211464542U (en) | 2019-12-31 | 2019-12-31 | Punch of powder metallurgy inner gear ring die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922488238.4U CN211464542U (en) | 2019-12-31 | 2019-12-31 | Punch of powder metallurgy inner gear ring die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211464542U true CN211464542U (en) | 2020-09-11 |
Family
ID=72366411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922488238.4U Active CN211464542U (en) | 2019-12-31 | 2019-12-31 | Punch of powder metallurgy inner gear ring die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211464542U (en) |
-
2019
- 2019-12-31 CN CN201922488238.4U patent/CN211464542U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102501008A (en) | Method for processing sealing ring | |
| CN102974946A (en) | Method for controlling deformation of sheet bar honeycomb during vacuum soldering and brazing | |
| CN112338601A (en) | Cylindrical thin-wall part machining and forming tool and method | |
| CN103522014B (en) | Laser in combination welding heavy wall diamond drill machine method for making head | |
| CN206661926U (en) | A kind of composite (back-up) roll for rolling wave type ripple composite plate | |
| CN105108248B (en) | A kind of fine inside groove electrical discharge machining stacked compound electrode and preparation method thereof of slow-wave structure | |
| CN211464542U (en) | Punch of powder metallurgy inner gear ring die | |
| CN105268891B (en) | Hubbed flange finish forge combination die | |
| CA2543480A1 (en) | Method and tool for making enhanced heat transfer surfaces | |
| CN204657795U (en) | A kind of thin-walled ring parts positioning welding fixture | |
| CN206519622U (en) | A kind of special circular saw blade of hard alloy | |
| CN214322099U (en) | Special-shaped electrode for processing U-shaped groove | |
| CN205703936U (en) | Screwing tool for Micro-bolt | |
| CN213002987U (en) | Grooving tool for machining axial grooves in outer wall of thin-walled cylindrical part | |
| CN104001789B (en) | A kind of fine blanking die point type blank holder and processing method thereof | |
| CN204724949U (en) | A kind of engine cylinder cover oil injector hole combination cutter | |
| CN113618335B (en) | Method for machining sieve teeth | |
| CN105436639A (en) | Electrode device for electroimpulse machining of locking plate grooves and machining method | |
| CN205587736U (en) | Power transmission and transformation shaft tower endocyst steel shovel back of body milling cutter | |
| CN109015029A (en) | A kind of cast precision component positioning jacket with cross open and preparation method thereof and application method | |
| CN1035071A (en) | Electric machining valve pocket inner groove technology | |
| CN218426025U (en) | Spiral bevel gear milling cutter | |
| CN204652069U (en) | A kind of AC induction motor rotor of not turning | |
| CN208556014U (en) | A kind of automobile pump core part oil bath processing cutter | |
| CN221364383U (en) | Cutter handle and machine tool for manufacturing porous grinding cutter by additive |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |