CN202123178U - Plunger of forging press - Google Patents
Plunger of forging press Download PDFInfo
- Publication number
- CN202123178U CN202123178U CN201120152428XU CN201120152428U CN202123178U CN 202123178 U CN202123178 U CN 202123178U CN 201120152428X U CN201120152428X U CN 201120152428XU CN 201120152428 U CN201120152428 U CN 201120152428U CN 202123178 U CN202123178 U CN 202123178U
- Authority
- CN
- China
- Prior art keywords
- plunger rod
- bulb
- plunger
- forging press
- ring
- 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
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Abstract
The utility model discloses a plunger of a forging press, comprising a plunger rod, a base connected with the head part of the plunger rod, a bulb disposed between the plunger rod and the base, and a spherical press ring adaptive for a projected annular surface on the head part of the plunger rod, wherein the contact surface of the bulb and the plunger rod is a spherical surface; a lubricating groove is disposed on the contact surface; and the spherical press ring matches with the projected annular surface of the plunger rod with an arc surface. In the plunger of a forging press disclosed by the utility model, the upper surface of the bulb is adaptive for the spherical surface of the plunger, so that an eccentric load is efficiently avoided.
Description
Technical field
The utility model relates to the forging press field, relates in particular to a kind of forging press plunger.
Background technology
Forging in the forging and pressing process, is the below that the mould of needs forging and pressing is placed in the forging and pressing machine under a lot of situation, utilizes the plunger of forging press to pump; Plunger comprises plunger rod part and the lower bottom base that is connected with the plunger rod head, and during forging and pressing, forging press carries out forging forming through lower bottom base to the mould of below; Plunger and the bulb between the lower bottom base now commonly used all are the plane bulbs, because the frequent motion of plunger rod in the forging and pressing process, the contact-making surface of lower bottom base and plunger rod all can cause bigger loss because of stressed; Influence ordinary production; After loss ratio was big, plunger can produce off-centre, causes unbalance stress; In addition, when the wearing and tearing of bulb and plunger rod cause plunger rod eccentric, need to change bulb and plunger rod, waste time and energy and cost can promote greatly.Plunger rod and lower bottom base compress through the sphere pressure ring, make plunger rod and bulb from minute contacting, and alleviate eccentric load; But eccentric load can't be eliminated fully; The bottom contact-making surface of existing sphere pressure ring and plunger rod all is the inclined-plane, and when having produced eccentric load, the inclined-plane can produce slip; Thereby it is insufficient to cause plunger rod to contact with bulb, and plunger rod shakes.
The utility model content
In order to solve existing technical problem in the background technology, the utility model provides a kind of forging press plunger, the upper surface of bulb and plunger sphere are adaptive, effectively prevent eccentric load.
The technical solution of the utility model is: a kind of forging press plunger comprises plunger rod, the base that is connected with the plunger rod head, is arranged on bulb and the sphere pressure ring adaptive with the outstanding ring surface of plunger rod head between plunger rod and the base; Its special character is: the contact-making surface of said bulb and plunger rod is a sphere; On the said contact-making surface lubrication groove is set; Said sphere pressure ring cooperates with the outstanding ring surface cambered surface of plunger rod.
The contact-making surface of above-mentioned plunger rod and bulb is the concave spherical surface adaptive with spherical shape.
The contact-making surface of above-mentioned bulb and base is the plane, and said bulb is fixedly connected with base.
The contact-making surface of the outstanding ring surface of above-mentioned sphere pressure ring and plunger rod is a cancave cambered surface, and the outstanding ring surface of said plunger rod is adaptive with it convex globoidal.
Above-mentioned lubrication groove is to be concentrically ringed annular lubrication groove with the bulb surface.
Above-mentioned lubrication groove is one or more.
The annular edge of above-mentioned sphere pressure ring is provided with locating ring.
Above-mentioned bulb is that bolt is connected or the connection of pinning with the fixed form of base.
Above-mentioned locating ring is connected with the sphere junk ring bolt or pin connects.
The advantage of the forging press plunger of the utility model is:
1) through bulb and the adaptive version of concave spherical surface between plunger rod and forging and pressing base, makes plunger rod off-centre can not take place, guaranteed the quality of forging and pressing.
2) upper surface at bulb is provided with a plurality of lubrication grooves, and the frictional force between bulb and the plunger is reduced, and the wearing and tearing of bulb and plunger all improve significantly.
3) through the pressure ring of cancave cambered surface annular, suitable with plunger rod, the adaptive mode of cambered surface can make plunger rod and bulb full contact, and when contact point was stressed, the difficult skew can not produce rocking of plunger rod, Stability Analysis of Structures.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the specific embodiment sketch map of bulb in the utility model;
The specific embodiment
Referring to Fig. 1, the forging press plunger of the utility model comprises plunger rod 1, base 2, bulb 3, sphere pressure ring 4, bolt 5, locating ring 6; Bulb 3 is arranged on the base 2, and is fixed together with base 2, and connected mode can be the mode that is connected arbitrarily, and for example bolt connects, pin connects etc.; Plunger rod 1 also changes concave spherical surface into accordingly with the contact-making surface of bulb 3, and this frame mode is in the forging and pressing process; When 2 pairs of objects of plunger rod 1 motion drive base forged and pressed, when base 2 received impulse force, corresponding plunger rod 1 also can receive reaction force; Even plunger rod 1 that sphere is adaptive and base 2 are when receiving bigger power; Also can prevent eccentric load, under long-term effect, wearing and tearing between the two also can reduce through the structure that sphere cooperates; Make plunger rod 1 more be difficult for producing skew, influence forging and pressing quality.
Sphere pressure ring 4 is arranged on the outstanding ring surface 7 of plunger rod 1 head, and with outstanding ring surface 7 close fit, sphere pressure ring 4 is cancave cambered surfaces with the contact-making surface of outstanding ring surface 7; Outstanding ring surface 7 is suitable with it; Upper surface is a convex globoidal, and sphere pressure ring 4 is connected with base 2 through bolt 5, and it is vertically fastening to make sphere pressure ring 4 can pass through the effect of bolt 5; Mode such as also can adopt pin, be threaded; Purpose is can be fastening with sphere pressure ring 4 and base 2, on sphere pressure ring 4 annular edge locating ring 6 is set, and the position of 6 pairs of bolts 5 of locating ring positions.
Referring to Fig. 2; Bulb 3 with the contact surface of plunger rod 1 on have and be the circular lubrication groove 8 that concentric circles is provided with, can fill certain lubricant and reduce the wearing and tearing between plunger rod 1 and the bulb 3, the bulb 3 among the utility model Fig. 1 is that upper surface is the bulb of protruding sphere; The surface is that the bulb on plane can be offered circular lubrication groove 8 too; The shape of lubrication groove 8 also can adopt other form, and the utility model purpose that linear that laterally perhaps vertically is provided with or shaped form lubrication groove also can be realized the utility model is when lubrication groove 8 is linear or shaped form; Be the sealing of an end opening one end, guarantee that lubricant can be in lubrication groove.
Claims (9)
1. forging press plunger comprises plunger rod, the base that is connected with the plunger rod head, is arranged on bulb and the sphere pressure ring adaptive with the outstanding ring surface of plunger rod head between plunger rod and the base; It is characterized in that: the contact-making surface of said bulb and plunger rod is a sphere; On the said contact-making surface lubrication groove is set; Said sphere pressure ring cooperates with the outstanding ring surface cambered surface of plunger rod.
2. forging press plunger according to claim 1 is characterized in that: the contact-making surface of said plunger rod and bulb is the concave spherical surface adaptive with spherical shape.
3. forging press plunger according to claim 2 is characterized in that: the contact-making surface of said bulb and base is the plane, and said bulb is fixedly connected with base.
4. forging press plunger according to claim 3 is characterized in that: the contact-making surface of the outstanding ring surface of said sphere pressure ring and plunger rod is a cancave cambered surface, and the outstanding ring surface of said plunger rod is adaptive with it convex globoidal.
5. according to claim 1 or 2 or 3 or 4 described forging press plungers, it is characterized in that: said lubrication groove is to be concentrically ringed annular lubrication groove with the bulb surface.
6. forging press plunger according to claim 5 is characterized in that: said lubrication groove is one or more.
7. forging press plunger according to claim 6 is characterized in that: the annular edge of said sphere pressure ring is provided with locating ring.
8. forging press plunger according to claim 7 is characterized in that: said bulb is that bolt is connected or the connection of pinning with the fixed form of base.
9. forging press plunger according to claim 8 is characterized in that: said locating ring is connected with the sphere junk ring bolt or pin connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120152428XU CN202123178U (en) | 2011-05-13 | 2011-05-13 | Plunger of forging press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120152428XU CN202123178U (en) | 2011-05-13 | 2011-05-13 | Plunger of forging press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202123178U true CN202123178U (en) | 2012-01-25 |
Family
ID=45486249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120152428XU Expired - Fee Related CN202123178U (en) | 2011-05-13 | 2011-05-13 | Plunger of forging press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202123178U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218496A (en) * | 2011-05-13 | 2011-10-19 | 无锡市乾丰锻造有限公司 | Forging press plunger |
-
2011
- 2011-05-13 CN CN201120152428XU patent/CN202123178U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102218496A (en) * | 2011-05-13 | 2011-10-19 | 无锡市乾丰锻造有限公司 | Forging press plunger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120125 Termination date: 20130513 |