CN211476891U - Hydraulic press hammer - Google Patents
Hydraulic press hammer Download PDFInfo
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- CN211476891U CN211476891U CN201922150850.0U CN201922150850U CN211476891U CN 211476891 U CN211476891 U CN 211476891U CN 201922150850 U CN201922150850 U CN 201922150850U CN 211476891 U CN211476891 U CN 211476891U
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- blind hole
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- pressure plate
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Abstract
The utility model provides an oil press presses hammer relates to propellant powder oil pressure shaping technical field, and this oil press presses hammer body and seal assembly including pressing hammer body, presses hammer body lower surface to be provided with inside sunken blind hole, and seal assembly installs in the below of pressing hammer body, and seal assembly inserts the blind hole, the inner wall threaded connection of seal assembly and blind hole. The utility model overcomes artifical on-spot installation defect that wastes time and energy has also been overcome simultaneously because the seal gasket of artifical taking causes the gasket to warp the damage easily, leads to the lower defect of seal gasket life.
Description
Technical Field
The utility model belongs to the technical field of the propellant powder oil pressure shaping technique and specifically relates to an oil press presses hammer is related to.
Background
The propellant powder hydraulic forming is realized by applying certain pressure to the propellant powder in the cartridge case through the pressing hammer fixed on the oil press, the pressing hammer and the cartridge case generally adopt metal materials for improving the strength, a certain gap is left between the pressing hammer and the inner wall of the cartridge case, the material is turned upwards from the gap between the pressing hammer and the inner wall of the cartridge case when the propellant powder is pressed, and a movable polytetrafluoroethylene sealing gasket is placed below the pressing hammer.
Adopt the problem that movable seal gasket exists to need the manual work to take out seal gasket after having pressed a section of thick bamboo material at every turn, for next oil pressure is prepared, and the operation is wasted time and energy, and the seal gasket of taking by the manual work leads to the fact the gasket to warp the damage easily, leads to seal gasket life lower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oil press presses hammer to solve the operation waste time and energy and the lower technical problem of seal gasket life among the prior art.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of hydraulic press presses hammer, including pressing hammer body and seal assembly, wherein:
the lower surface of the pressing hammer body is provided with an inwards-sunken blind hole, the sealing assembly is installed below the pressing hammer body and inserted into the blind hole, and the sealing assembly is in threaded connection with the inner wall of the blind hole.
Preferably, the sealing assembly comprises a bottom plate, a pressing plate and a sealing ring, the pressing plate, the sealing ring and the bottom plate are sequentially arranged along the extending direction of the pressing hammer body, a connecting column is arranged on the pressing plate and inserted into the blind hole, and the outer wall of the connecting column is in threaded connection with the inner wall of the blind hole;
the radius of the sealing ring is larger than the radius of the bottom plate and the radius of the pressure plate.
Preferably, the connecting column is integrated with the pressure plate, and the connecting column is provided with a tube cavity with two open ends.
Preferably, the bottom plate is provided with an inserting column, the inserting column is upwards inserted into the tube cavity of the connecting column and continuously extends upwards, and the tail end of the connecting column is screwed with a bolt.
Preferably, the sealing ring comprises a ring body and a sealing part, a through hole is formed in the ring body, the inserting column penetrates through the through hole, and the sealing part surrounds the periphery of the ring body and is located on the outer side of the edge of the bottom plate and the edge of the pressing plate.
Preferably, the sealing part extends to the upper side and the lower side and covers the edges of the pressing plate and the bottom plate.
Preferably, the bottom plate and the pressing plate are made of carbon steel.
Preferably, the sealing ring is made of polytetrafluoroethylene.
The utility model provides an oil press presses hammer has following technological effect:
this kind of hydraulic press presses hammer, mainly by pressing hammer body and seal assembly to constitute, install the sealing washer on pressing the hammer body and take off from pressing the hammer body with traditional artifical scene and compare, the utility model discloses an inwards sunken blind hole of hammer body lower surface presses, comes fixed seal assembly, the inner wall threaded connection of seal assembly and blind hole, the mode that the fixed seal assembly of threaded connection has promptly replaced traditional direct mode of locating the sealing washer cover on pressing the hammer body to need not on-the-spot installation sealing washer, overcome the artifical on-the-spot installation defect that wastes time and energy, also overcome simultaneously because the artifical seal gasket of taking causes the gasket deformation damage easily, lead to the lower defect of seal gasket life.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a partial cross-sectional view of a hydraulic press ram according to an embodiment of the present invention.
Wherein:
100. a hammer body; 101. blind holes; 200. a seal assembly; 201. pressing a plate; 2011. connecting columns; 202. a seal ring; 2021. a ring body; 2022. a sealing part; 2023. a through hole; 203. a base plate; 2031. inserting a column; 204. and (4) bolts.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a partial cross-sectional view of a hydraulic press ram according to an embodiment of the present invention. The utility model provides an oil press presses hammer as shown in figure 1, mainly includes and presses hammer body 100 and seal assembly 200.
The pressing hammer body 100 is matched with the medicine cylinder and used for oil-pressing the propellant powder, namely, the pressing hammer applies certain pressure to the propellant powder in the medicine cylinder.
The sealing assembly 200, because a certain gap is left between the pressing hammer and the inner wall of the medicine cartridge, the sealing assembly 200 can prevent the medicine material from turning upwards from the gap between the pressing hammer and the inner wall of the medicine cartridge when the medicine material is pressed.
The concrete installation mode of the pressing hammer body 100 and the sealing assembly 200 is as follows: as shown in fig. 1, the lower surface of the ram body 100 is provided with an inwardly recessed blind hole 101, the sealing assembly 200 is installed below the ram body 100, the sealing assembly 200 is inserted into the blind hole 101, the sealing assembly 200 is in threaded connection with the inner wall of the blind hole 101, that is, the sealing assembly 200 is fixed at the bottom of the ram body 100, so that the sealing assembly 200 prevents the medicine material from being turned upwards from the gap between the ram and the inner wall of the medicine cartridge when the medicine material is pressurized.
Install sealing washer 202 on pressing hammer body 100 and take off from pressing hammer body 100 with traditional artifical scene and compare, the utility model discloses a sealing assembly 200 is through pressing hammer body 100 lower surface inwards sunken blind hole 101, come fixed sealing assembly 200, the inner wall threaded connection of sealing assembly 200 and blind hole 101, the mode of using the fixed sealing assembly 200 of threaded connection has replaced traditional direct mode of locating sealing washer 202 cover on pressing hammer body 100, and need not install sealing washer 202 on the scene, the defect that artifical scene installation wastes time and energy has been overcome, also overcome simultaneously because the artifical sealing washer of taking leads to the fact the gasket to warp the damage easily, lead to the lower defect of sealing washer life.
In a further scheme, seal assembly 200 includes bottom plate 203, clamp plate 201 and sealing washer 202, as shown in fig. 1, along the direction that presses hammer body 100 to extend, set gradually clamp plate 201, sealing washer 202 and bottom plate 203, set up spliced pole 2011 on the clamp plate 201, spliced pole 2011 inserts blind hole 101, the outer wall of spliced pole 2011 and the inner wall threaded connection of blind hole 101 to realize pressing hammer body 100 and seal assembly 200's threaded connection.
Specifically, the connecting column 2011 is integrally arranged with the pressure plate 201, in order to realize connection between the pressure plate 201 and the bottom plate 203, the sealing ring 202 is fixed at the same time, the connecting column 2011 is provided with a tube cavity with two open ends, the bottom plate 203 is provided with the inserting column 2031, the inserting column 2031 is upwards inserted into the tube cavity of the connecting column 2011 and continues to upwards extend, the tail end of the connecting column 2011 is screwed with the bolt 204, and connection among the pressure plate 201, the sealing ring 202 and the bottom plate 203 can be realized.
In order to achieve a good sealing effect, the radius of the sealing ring 202 is larger than the radius of the bottom plate 203 and the pressure plate 201, and the radius of the pressure plate 201 is the same as that of the bottom plate 203.
The sealing ring 202 specifically includes a ring body 2021 and a sealing portion 2022, the ring body 2021 is provided with a through hole 2023, the insertion column 2031 penetrates through the through hole 2023, the sealing portion 2022 surrounds the periphery of the ring body 2021 and is located outside the edges of the bottom plate 203 and the pressure plate 201, and the sealing portion 2022 extends to the upper and lower sides simultaneously and covers the edges of the pressure plate 201 and the bottom plate 203, so that the radius of the sealing ring 202 is greater than the radius of the bottom plate 203 and the pressure plate 201.
The sealing ring 202 is fixed between the bottom plate 203 and the pressure plate 201 and moves along with the press hammer body 100, so that compared with the movable sealing ring 202, the manual work for installing the sealing ring 202 is reduced, the operation is simple, and the service life of the sealing ring 202 is prolonged.
Meanwhile, the sealing assembly 200 is conveniently detached from the hammer body 100 by adopting a threaded connection and fixing mode, namely, the sealing ring 202 is convenient to maintain and replace.
Specifically, the bottom plate 203 and the pressure plate 201 are made of carbon steel. The seal ring 202 is made of ptfe, which has the advantage of providing the seal assembly 200 with a relatively high strength and is able to withstand relatively high molding pressures.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An oil press ram comprising a ram body (100) and a seal assembly (200), wherein:
the lower surface of the press hammer body (100) is provided with an inward recessed blind hole (101), the sealing assembly (200) is installed below the press hammer body (100), the sealing assembly (200) is inserted into the blind hole (101), and the sealing assembly (200) is in threaded connection with the inner wall of the blind hole (101).
2. The hydraulic press hammer of claim 1, wherein the sealing assembly (200) comprises a bottom plate (203), a pressure plate (201) and a sealing ring (202), the pressure plate (201), the sealing ring (202) and the bottom plate (203) are sequentially arranged along the extending direction of the hammer body (100), a connecting column (2011) is arranged on the pressure plate (201), the connecting column (2011) is inserted into the blind hole (101), and the outer wall of the connecting column (2011) is in threaded connection with the inner wall of the blind hole (101);
the radius of the sealing ring (202) is larger than the radius of the bottom plate (203) and the radius of the pressure plate (201).
3. The hydraulic press hammer of claim 2, wherein the attachment post (2011) is integral with the pressure plate (201), the attachment post (2011) having a lumen that is open at both ends.
4. The hydraulic press hammer of claim 3, wherein the base plate (203) is provided with a plunger (2031), the plunger (2031) is inserted upwards into the lumen of the connecting post (2011) and extends upwards, and the end of the connecting post (2011) is screwed with a bolt (204).
5. The hydraulic press hammer according to claim 4, wherein the seal ring (202) includes a ring body (2021) and a seal portion (2022), the ring body (2021) is provided with a through hole (2023), the insert post (2031) penetrates the through hole (2023), and the seal portion (2022) surrounds the periphery of the ring body (2021) and is located outside the edges of the base plate (203) and the pressure plate (201).
6. The hydraulic press hammer according to claim 5, wherein the seal portion (2022) extends upward and downward on both sides and covers edges of the presser plate (201) and the bottom plate (203).
7. The hydraulic press hammer according to any one of claims 2-6, characterized in that the bottom plate (203) and the pressure plate (201) are both made of carbon steel.
8. The oleo press ram of any of claims 2-6, wherein the seal ring (202) is made of polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922150850.0U CN211476891U (en) | 2019-12-04 | 2019-12-04 | Hydraulic press hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922150850.0U CN211476891U (en) | 2019-12-04 | 2019-12-04 | Hydraulic press hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211476891U true CN211476891U (en) | 2020-09-11 |
Family
ID=72359635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922150850.0U Active CN211476891U (en) | 2019-12-04 | 2019-12-04 | Hydraulic press hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211476891U (en) |
-
2019
- 2019-12-04 CN CN201922150850.0U patent/CN211476891U/en active Active
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