CN217393629U - Lead assembly for forging air hammer - Google Patents
Lead assembly for forging air hammer Download PDFInfo
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- CN217393629U CN217393629U CN202221336090.8U CN202221336090U CN217393629U CN 217393629 U CN217393629 U CN 217393629U CN 202221336090 U CN202221336090 U CN 202221336090U CN 217393629 U CN217393629 U CN 217393629U
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- hammer
- guide sleeve
- sleeve body
- air hammer
- lead assembly
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Abstract
The utility model relates to a forging lead subassembly for air hammer, use in air hammer forging technical field, solved the inner wall of the current guide sleeve body and the outer disc wearing and tearing of hammer stem comparatively serious, cause the clearance between the two great, the air hammer easily produces and rocks in the process of striking, the problem that the steel ball quality of forging is not stable enough is solved, including hammer stem and guide sleeve body, the inside of guide sleeve body is provided with the sliding hole that supplies the hammer stem to pass along its axial, evenly be provided with four U type recesses along its circumference on the inner wall of sliding hole, can dismantle in each U type recess and be provided with the baffle, be provided with the plane corresponding with U type recess quantity along its circumference on the outer disc of hammer stem; the steel ball guide sleeve has the effects of saving cost, prolonging the service life of the guide sleeve body and improving the production efficiency and the production quality of steel balls.
Description
Technical Field
The utility model discloses use at the air hammer and forge technical field, especially relate to a forge helical pitch subassembly for air hammer.
Background
In order to improve the internal density and the wear resistance of the steel balls, the existing large-size wear-resistant steel balls are generally formed by forging and pressing a round bar blank for processing the steel balls by an air hammer after being heated at high temperature. The air hammer comprises a hammer rod and a guide sleeve body, the hammer rod is slidably sleeved in the guide sleeve body, after the air hammer strikes at a high frequency in a high-temperature environment, the inner wall of the guide sleeve body and the outer circular surface of the hammer rod are abraded seriously, so that a gap between the guide sleeve body and the hammer rod is large, the air hammer is easy to shake in the striking process, and the product quality of a forged steel ball is not stable enough. And the cost is higher when the hammer stem and the guide sleeve body are replaced, the maintenance is longer, and the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a forge helical pitch subassembly for air hammer has solved the outer disc wearing and tearing of the inner wall of the current guide sleeve body and hammer stem comparatively seriously, causes the clearance great between the two, and the air hammer easily produces at the in-process of striking and rocks, the not enough stable problem of steel ball quality of forging out.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a forge helical pitch subassembly for air hammer, including the hammer stem and the guide sleeve body, the inside of the guide sleeve body is provided with the sliding hole that supplies the hammer stem to pass along its axial, evenly be provided with four U type recesses along its circumference on the inner wall of sliding hole, all can dismantle in every U type recess and be provided with the baffle, be provided with along its circumference on the outer disc of hammer stem with the corresponding plane of U type recess quantity.
Furthermore, a layer of surfacing layer for wear resistance is arranged on the plane on the outer circular surface of the hammer rod.
Further, the number of the guide plates is at least one, and the guide plates are fixed in the U-shaped grooves through bolts.
Furthermore, an annular mounting seat is arranged on the outer circular surface of one end of the guide sleeve body, a plurality of shockproof grooves are formed in one end of the annular mounting seat, and rubber strips are arranged in the shockproof grooves.
Furthermore, a plurality of oil guide holes are formed in the guide sleeve body along the length direction of the guide sleeve body, and one ends of the oil guide holes extend into the sliding holes.
Furthermore, the interior of the hammer rod is arranged in a hollow mode.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model discloses a forge helical pitch subassembly for air hammer, through being provided with four planes on the outer disc with the hammer stem, and be provided with the baffle on the inner wall of U type recess, the hammer stem is comparatively stable when moving along the inside sliding hole of the guide sleeve body, work time is longer when helical pitch subassembly, the baffle appears wearing and tearing back, can change the baffle, thereby improve the stability of air hammer during operation, and need not to change the guide sleeve body, thereby practice thrift the cost, prolong the life of the guide sleeve body, improve the quality of production efficiency and steel ball production.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a sectional view of a guide sleeve structure according to an embodiment of the present invention;
FIG. 2 is a side view of the structure of the guide sleeve according to the embodiment of the present invention;
FIG. 3 is a cross-sectional view of a hammer rod structure according to an embodiment of the present invention;
fig. 4 is a side view of the hammer rod structure according to the embodiment of the present invention.
Wherein the reference numerals are as follows:
1. a hammer lever; 2. a guide sleeve body; 3. a slide hole; 4. a U-shaped groove; 5. a guide plate; 6. a plane; 7. overlaying a welding layer; 8. an annular mounting seat; 9. a shockproof groove; 10. oil guide hole.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Referring to fig. 1 and 2, for the lead assembly for forging air hammer provided by the present invention, comprising a hammer rod 1 and a guide sleeve body 2, a sliding hole 3 for the hammer rod 1 to pass through is provided in the guide sleeve body 2 along the axial direction thereof, four U-shaped grooves 4 are uniformly provided on the inner wall of the sliding hole 3 along the circumferential direction thereof, a guide plate 5 is detachably provided in each U-shaped groove 4, the number of the guide plates 5 in the present invention is at least one, each guide plate 5 is fixed in the U-shaped groove 4 by bolts, the thickness of the guide plate 5 is the same as the depth of the U-shaped groove 4, the outer circumferential surface of the hammer rod 1 is provided with planes 6 corresponding to the number of the U-shaped grooves 4 along the circumferential direction thereof, the planes on the outer circumferential surface of the hammer rod 1 are provided with a layer of hardfacing layer 7 for wear resistance, the outer circumferential surface of the hammer rod 1 is provided with four planes 6, and the guide plate 5 is provided on the inner wall of the U-shaped groove 3, the hammer rod 1 is stable when moving along the sliding hole 3 in the guide sleeve body 2, when the lead assembly works for a long time and the guide plate 5 is worn, the guide plate 5 can be replaced without replacing the guide sleeve body 2, and the cost is saved; when lead subassembly operating time is longer, behind the wearing and tearing appear in baffle 5, can change baffle 5 to improve the stability of air hammer during operation, and need not to change the guide sleeve body 2, thereby practice thrift the cost, prolong the life of the guide sleeve body 2, improve the quality of production efficiency and steel ball production. Meanwhile, the plane of the hammer rod 1 is provided with the surfacing layer 7 for wear resistance, the hammer rod 1 is protected, the service life of the hammer rod 1 can be prolonged, the working stability of the hammer rod 1 and the guide sleeve body 2 is improved, and the maintenance cost of the air hammer is reduced.
Furthermore, an annular mounting seat 8 is arranged on the outer circular surface of one end of the guide sleeve body 2, a plurality of shockproof grooves 9 are arranged at one end of the annular mounting seat 8, and rubber strips are arranged in the shockproof grooves 9. The lead assembly plays the absorbing effect through shockproof recess 9 and rubber strip during operation, improves the stability of air hammer during operation.
Furthermore, a plurality of oil guiding holes 10 are formed in the guide sleeve body 2 along the length direction of the guide sleeve body, and one end of each oil guiding hole 10 extends into the sliding hole 3. Certain lubricating oil is injected into the sliding hole 3 through the oil guide hole 10, friction between the hammer rod 1 and the guide sleeve body 2 is reduced through the lubricating oil, and the service life of the hammer rod 1 and the service life of the guide sleeve body 2 are prolonged.
Further, the hammer rod 1 is hollow inside. The weight of the hammer rod 1 can be reduced through the hollow arrangement, and the consumption of raw materials and the loss of equipment power are saved.
In summary, the following steps: the four planes 6 are arranged on the outer circular surface of the hammer rod 1, the guide plate 5 is arranged on the inner wall of the U-shaped groove 4, the direction of the hammer rod 1 is stable when the hammer rod moves along a sliding hole in the guide sleeve body 2, when the lead assembly works for a long time, the guide plate 5 can be replaced after the guide plate 5 is worn, the guide sleeve body 2 does not need to be replaced, the cost is saved, and the service life of the guide sleeve body 2 is prolonged; meanwhile, the plane of the hammer rod 1 is provided with the surfacing layer 7 for wear resistance, the hammer rod 1 is protected, the service life of the hammer rod 1 can be prolonged, the working stability of the hammer rod 1 and the guide sleeve body 2 is improved, and the maintenance cost of the air hammer is reduced.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. The lead assembly for the forging air hammer comprises a hammer rod and a guide sleeve body and is characterized in that a sliding hole for the hammer rod to penetrate through is formed in the guide sleeve body along the axial direction of the guide sleeve body, four U-shaped grooves are evenly formed in the inner wall of the sliding hole along the circumferential direction of the sliding hole, a guide plate can be detachably arranged in each U-shaped groove, and planes corresponding to the U-shaped grooves in number are arranged on the outer circumferential surface of the hammer rod along the circumferential direction of the hammer rod.
2. The lead assembly for a forging air hammer of claim 1, wherein a wear-resistant weld overlay is disposed on each of the outer circumferential surfaces of the hammer shank.
3. The lead assembly for a forging air hammer according to claim 1 or 2, wherein the number of said guide plates is at least one, and said guide plates are fixed in said U-shaped grooves by bolts.
4. The lead assembly for a forging air hammer of claim 3, wherein an annular mounting seat is disposed on an outer circumferential surface of one end of the guide sleeve body, a plurality of anti-vibration grooves are disposed on one end of the annular mounting seat, and rubber strips are disposed in the anti-vibration grooves.
5. The lead assembly for a forging air hammer of claim 4, wherein the guide sleeve body is provided with a plurality of oil guide holes along a length direction thereof, and one end of each oil guide hole extends into the corresponding sliding hole.
6. The lead assembly for a forging air hammer of claim 5, wherein said hammer shank is hollow inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221336090.8U CN217393629U (en) | 2022-05-31 | 2022-05-31 | Lead assembly for forging air hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221336090.8U CN217393629U (en) | 2022-05-31 | 2022-05-31 | Lead assembly for forging air hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217393629U true CN217393629U (en) | 2022-09-09 |
Family
ID=83146098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221336090.8U Active CN217393629U (en) | 2022-05-31 | 2022-05-31 | Lead assembly for forging air hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217393629U (en) |
-
2022
- 2022-05-31 CN CN202221336090.8U patent/CN217393629U/en active Active
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