CN204159871U - A kind of modified node method of powder metallurgy C pattern frame - Google Patents
A kind of modified node method of powder metallurgy C pattern frame Download PDFInfo
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- CN204159871U CN204159871U CN201420549915.3U CN201420549915U CN204159871U CN 204159871 U CN204159871 U CN 204159871U CN 201420549915 U CN201420549915 U CN 201420549915U CN 204159871 U CN204159871 U CN 204159871U
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- guide pillar
- pattern frame
- connecting portion
- supporting seat
- fixed
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Abstract
The utility model discloses a kind of modified node method of powder metallurgy C pattern frame, it is characterized in that adding bridging structure at standard C pattern frame, concrete is provided with connecting portion on the fixed head of standard C pattern frame, described connecting portion extends between standard C pattern frame first counterdie punching and negative template, above connecting portion, be fixed with floorings.Make the part of two interior steps and through hole that has that originally cannot be shaping on standard C pattern frame the C pattern frame after improvement once can mold complete part only by increasing bridging structure.Substantially increasing the production efficiency of such part like this, reduce cost, also reducing the inevitable systematic error brought because repeatedly processing simultaneously.
Description
Technical field
The utility model relates to powder metallurgical technology, is specifically related to a kind of modified node method of powder metallurgy C pattern frame.
Background technology
Powder metallurgy be produce metal dust or with metal dust (or mixture of metal dust and non-metal powder) as raw material, through shaping and sintering, produce the industrial technology of metal material, composite and all kinds goods.PM technique possess significantly energy-conservation, economize the high and series of advantages such as good stability of material, excellent performance, Product Precision, be very suitable for producing in enormous quantities.PM technique can make full use of ore, mine tailing, steel-smelting sewage sludge, steel scale of steel rolling, recovery waste metal makes raw material, is a kind of new technology effectively can carrying out material regeneration and comprehensive utilization.The forming technique of powder metallurgy is an extremely important ring in whole PM technique.What the forming technique of powder metallurgy was the most frequently used is compression molding technology, both makes powder compacting be the pressed compact with definite shape, size, density and intensity with forcing press by mould.Powder metallurgy forming mould bases is the frame of installing powder metallurgy die, and it is for being connected with press, transmission of pressure and various action, and makes mould major part complete powder compacting requirement.Usually, powder metallurgy die carrier can be divided into A, B, C three types.Standard C pattern frame is made up of patrix punching, negative template, the first counterdie punching, the second counterdie punching, fixed head, lower bolster.Wherein negative template, the first counterdie punching, the second counterdie punching and lower bolster can float, and fixed head is motionless.The part having two interior steps and through hole will processed as shown in Figure 1 often can be encountered in daily powder metallurgy is produced.This type part cannot be molded completely on C pattern frame when general, it is in most cases not forming through hole, by motionless for the first counterdie punching locking, the first motionless bottom punch is installed thereon as shown in Figure 2, second counterdie punching is installed second bottom punch that can float with the second counterdie punching, 3rd bottom punch is arranged on lower bolster through fixed head, so just can process the part not having through hole, through hole is processed again by mach mode, not only reduce production efficiency like this, add cost, but also the high request of dimensional accuracy cannot be ensured.
Summary of the invention
In order to solve the problem, C pattern frame directly molds part shown in complete Fig. 1 completely, and the utility model proposes employing bridging structure, described bridging structure is made up of left and right connecting portion and floorings.Namely on the fixed head of C pattern frame, be provided with left and right connecting portion, described connecting portion extends to the first counterdie punching and negative template through first, second counterdie punching above C pattern frame fixed head, and described floorings are connected to the top of connecting portion.First bottom punch is arranged on floorings, second bottom punch is arranged on the first counterdie punching of being available in this programme, 3rd bottom punch is arranged on the second counterdie punching, plug is arranged on lower bolster through fixed head, so just on C pattern frame, directly can only molds part shown in Fig. 1 by a small amount of improvement.Thus greatly enhance productivity, reduce costs.Simultaneously due to once direct complete shaping whole part, thus avoid the inevitable systematic error brought by secondary operations, improve the machining accuracy of part.
Be fixed block as preferred connecting portion, ensure the rigidity that supports and stable like this.
Be four guide pillars be supported on by cushion block connection under floorings as preferred connecting portion, guide pillar lower end is provided with the shaft part that diameter is slightly smaller than this guide pillar, the fixed head of C pattern frame is fixed with three supporting seat I, it holds the shaft part that guide pillar lower end diameter is slightly smaller than this guide pillar respectively tightly, the shaft shoulder portion of guide pillar is close in the upper surface of supporting seat I simultaneously, a guide pillar is separately had to be connected with a turbine and worm case by supporting seat II, one end of supporting seat II withstands on the shaft shoulder portion of guide pillar, the other end is fixed on the upper surface of worm and gear box cover, the shaft part that guide pillar lower end diameter is slightly smaller than this guide pillar penetrates supporting seat II, worm and gear box cover enters in worm gear case, be connected by screw pair with turbine, the proximal end place being slightly smaller than the shaft part of this guide pillar in guide pillar lower end diameter is provided with stop nut.Supporting seat I and supporting seat II is unclamped during work, be rotatably connected on the handle on worm screw, worm screw is driven to rotate, worm screw drives turbine to rotate again, effect due to screw pair makes guide pillar rise or declines, thus adjusts the height of floorings easily, so as to adjusting the position of the first bottom punch, the shaft part that guide pillar lower end diameter is slightly smaller than this guide pillar, supporting cell guide is locked with highly suitable supporting seat I and supporting seat II again after adjusting to the right place.So both can easily the height of adjustment rack bridge construction, the rigidity supported can be ensured again.
Accompanying drawing explanation
Fig. 1 is the profile of the part of band two interior steps described in background technology and through hole.
Fig. 2 is the mould bases figure of the conventional solution filling condition described in background technology.
Fig. 3 is the mould bases figure of the first embodiment filling condition of the utility model.
Fig. 4 is the mould bases figure of embodiment filling condition in the utility model second.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is elaborated.
Figure 3 shows that the first embodiment of the present utility model.Its concrete mode is as follows: on original C pattern frame basis, increase bridging structure.Described bridging structure forms by with lower component: by penetrating fixed block A14, the fixed block B16 of the first counterdie punching 6, fixed block C17 and penetrating the fixed block D15 of the second counterdie punching 7, connect into left and right fixed from top to bottom, left and right fixed is fastened on the fixed head 8 of former C pattern frame respectively by two pieces of fixed head D15, left and right fixed is fixedly connected with floorings 5 respectively by two pieces of fixed block A14 simultaneously, material is thus formed bridging structure.During work, former 3 is arranged on negative template 4, upper punch 2 is arranged on patrix punching 1, first bottom punch 10 is arranged on floorings 5, second bottom punch 11 is arranged on the first counterdie punching 6 be available in this programme, 3rd bottom punch 12 to be arranged on the second counterdie punching 7, plug 13 is arranged on lower bolster 9 through fixed head 8.By former 3, first bottom punch 10, second bottom punch 11, 3rd bottom punch 12 and plug 13 form closed housing, the metal dust be pre-mixed is packed into described closed housing, then patrix punching 1 drives upper punch 2 to move downward, enter in former 3 and metal dust is pressed into required part, after forming parts, patrix punching 1 drives upper punch 2 to move upward, plug 13 moves downward simultaneously, time concordant to plug 13 upper surface and the 3rd bottom punch 12 upper surface, the 3rd bottom punch 12 and plug 13 synchronously move downward, second bottom punch 11 and the 3rd bottom punch 12 time concordant with the second bottom punch 11 upper surface to the 3rd bottom punch 12 upper surface, plug 13 synchronously moves downward, to the second bottom punch 11 upper surface, 3rd bottom punch 12 upper surface, second bottom punch 11 when plug 13 upper surface is all concordant with the first bottom punch 10 upper surface, 3rd bottom punch 12 and plug stop moving downward simultaneously, now negative template 4 drives former 3 to move downward, by the first motionless bottom punch 10, shaping part is ejected, after part is taken away, each moving component resets and starts the forming process of next part.Compared with the C pattern frame of original standard, by bridging structure, originally vacant fixed head 8 is utilized, vacate originally by locked the first counterdie punching 6 being used as fixed head, thus make part shown in Fig. 1 to be able to once only mold complete part on C pattern frame.
Figure 4 shows that the second embodiment of the present utility model.Its concrete mode is as follows: the main body of described bridging structure is connect by four cushion blocks 19 four guide pillars 20 be supported under floorings 5, guide pillar 20 lower end is provided with the shaft part that diameter is slightly smaller than this guide pillar, the fixed head 8 of C pattern frame is fixed with three supporting seat I27, it holds the shaft part that guide pillar lower end diameter is slightly smaller than this guide pillar respectively tightly, the shaft shoulder portion of guide pillar is close in the upper surface of supporting seat I27 simultaneously, a guide pillar is separately had to be connected with a turbine and worm case by supporting seat II21, one end of supporting seat II21 withstands on the shaft shoulder portion of guide pillar, the other end is fixed on the upper surface of worm and gear box cover 22, the shaft part that guide pillar lower end diameter is slightly smaller than this guide pillar penetrates supporting seat II21, worm and gear box cover 22 enters in worm and gear box body 24, be connected by screw pair with turbine 25, the proximal end place being slightly smaller than the shaft part of this guide pillar in guide pillar lower end diameter is provided with stop nut 26, extend too high to prevent guide pillar.
During adjustment floorings 5 height, unclamp supporting seat I21 and supporting seat II27, be rotatably connected on the handle on worm screw 23, drive worm screw 23 to rotate, worm screw 23 drives turbine 25 to rotate again, and the effect due to screw pair makes guide pillar rise or declines, thus adjust the height of floorings 5 easily, so as to adjusting the position of the first bottom punch 10, waiting after adjusting to the right place and locking the slightly thin shaft part in guide pillar lower end, supporting cell guide with highly suitable supporting seat I21 and supporting seat II27 again.So both can easily the height of pharmacy shelf bridge construction, the rigidity supported can be ensured again.
Present embodiment also can easily adjust the height of floorings 5 except having complete bridging structure compared with embodiment one, so as to adjusting the position of the first bottom punch 10, thus better adapts to the part of differing heights.
Below the utility model has been described in detail, but the utility model is not limited to detailed description of the invention described herein.It will be appreciated by those skilled in the art that when not deviating from the utility model scope, other changes and distortion can be made.Such as, except the mode of the worm and gear that bridging structure height regulating mechanism is mentioned except the utility model, can also be by air pressure, hydraulic pressure, the various ways such as motor.Protection domain of the present utility model is defined by the following claims.
Claims (3)
1. the modified node method of a powder metallurgy C pattern frame, it is characterized in that, C pattern frame adds bridging structure, described bridging structure is made up of connecting portion and floorings (5), described connecting portion is fixed on the fixed head (8) of C pattern frame, described connecting portion extends between the first counterdie punching (6) and negative template (4), and described floorings (5) are fixed on the top of connecting portion.
2. the modified node method of powder metallurgy C pattern frame according to claim 1, it is characterized in that, described connecting portion comprises some pieces of fixed blocks.
3. the modified node method of powder metallurgy C pattern frame according to claim 1, it is characterized in that described connecting portion is connect by cushion block (19) four guide pillars (20) be supported under floorings (5), guide pillar lower end is provided with the shaft part that diameter is slightly smaller than this guide pillar, the fixed head (8) of C pattern frame is provided with three supporting seat I(27), it holds the shaft part of guide pillar (20) lower end respectively tightly, the shaft shoulder portion of guide pillar lower end shaft part is close in the upper surface of supporting seat I (27) simultaneously, a guide pillar (20) is separately had to be connected with a turbine and worm case by supporting seat II (21), one end of supporting seat II (21) withstands on the shaft shoulder portion of guide pillar, the other end is fixed on the upper surface of upper cover (22) of worm gear case, the shaft part that guide pillar (20) lower end diameter is slightly smaller than this guide pillar penetrates supporting seat II (21), worm and gear box cover (22) is entered in worm gear case and is connected by screw pair with turbine (25), the proximal end place being slightly smaller than the shaft part of this guide pillar in guide pillar lower end diameter is provided with stop nut (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549915.3U CN204159871U (en) | 2014-09-24 | 2014-09-24 | A kind of modified node method of powder metallurgy C pattern frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420549915.3U CN204159871U (en) | 2014-09-24 | 2014-09-24 | A kind of modified node method of powder metallurgy C pattern frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204159871U true CN204159871U (en) | 2015-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420549915.3U Expired - Fee Related CN204159871U (en) | 2014-09-24 | 2014-09-24 | A kind of modified node method of powder metallurgy C pattern frame |
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|---|---|
| CN (1) | CN204159871U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907185A (en) * | 2018-08-09 | 2018-11-30 | 横店集团东磁股份有限公司 | Hard alloy moulding stamper |
-
2014
- 2014-09-24 CN CN201420549915.3U patent/CN204159871U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108907185A (en) * | 2018-08-09 | 2018-11-30 | 横店集团东磁股份有限公司 | Hard alloy moulding stamper |
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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 |
Granted publication date: 20150218 Termination date: 20190924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |