CN218063381U - Air hammer sealing structure - Google Patents
Air hammer sealing structure Download PDFInfo
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- CN218063381U CN218063381U CN202121850925.7U CN202121850925U CN218063381U CN 218063381 U CN218063381 U CN 218063381U CN 202121850925 U CN202121850925 U CN 202121850925U CN 218063381 U CN218063381 U CN 218063381U
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Abstract
The utility model relates to the technical field of air hammer sealing, and provides an air hammer sealing structure, which comprises a cylinder body, wherein a convex connecting flange is arranged on the cylinder body; the hammer rod penetrates through the convex connecting flange, a piston is arranged at one end of the hammer rod and is arranged in the cylinder body in a sliding mode, and a sealing groove is formed between the convex connecting flange and the outer wall of the hammer rod; the sealing filler is arranged in the sealing groove; the pressing flange penetrates through the hammer rod and is positioned on one side of the convex connecting flange, the pressing flange is provided with a convex pressing end, and the convex pressing end extends into the sealing groove and is contacted with the sealing filler; the support plate is arranged on the cylinder body; and one end of the elastic part is arranged on the supporting plate, and the other end of the elastic part is arranged on the pressing flange and used for providing a force for drawing the pressing flange close to the supporting plate. Through above-mentioned technical scheme, solved the problem that air hammer seals easy gas leakage in the correlation technique.
Description
Technical Field
The utility model relates to an air hammer seals technical field, and is concrete, relates to an air hammer seal structure.
Background
The air hammer is mainly applied to the fields of iron art and forging, air is compressed by a compression cylinder and is sent into a working cylinder through a distribution valve, a piston and a hammer rod are pushed to move up and down to play a hammering role, and therefore the quality of sealing performance has great influence on the use of the air hammer. The existing equipment generally fixes the sealing filler on the hammer body by a method of compressing the sealing filler by a convex flange and a compression bolt, but problems occur during use, for example, the sealing filler is easy to wear due to the reciprocating motion of a hammer rod, and the air hammer is easy to leak air after being worn, so that the sealing filler cannot be normally used; most of the air hammers are applied to the forging field, so that the vibration generated when the air hammer works is relatively strong, the compression bolt is loosened, and air leakage is generated.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air hammer seal structure has solved the problem of the air hammer sealed easy gas leakage in the correlation technique.
The technical scheme of the utility model as follows:
a sealing structure of an air hammer comprises a cylinder body, wherein a convex connecting flange is arranged on the cylinder body; the hammer rod penetrates through the convex connecting flange, a piston is arranged at one end of the hammer rod and is arranged in the cylinder body in a sliding mode, and a sealing groove is formed between the convex connecting flange and the outer wall of the hammer rod; a seal packing disposed within the seal groove; the compression flange penetrates through the hammer rod and is positioned on one side of the convex connecting flange, the compression flange is provided with a convex compression end, and the convex compression end extends into the sealing groove and is contacted with the sealing filler; also comprises the following steps of (1) preparing,
the supporting plate is arranged on the cylinder body;
and one end of the elastic piece is arranged on the supporting plate, and the other end of the elastic piece is arranged on the pressing flange and used for providing a force for drawing the pressing flange close to the supporting plate.
As a further technical solution, it also includes,
the guide rod is arranged on the supporting plate;
and one end of the sliding rod is hinged on the pressing flange, and the other end of the sliding rod is arranged in the guide rod in a sliding manner.
As a further technical solution, it also includes,
a threaded hole provided on the support plate;
the distance adjusting screw is arranged in the threaded hole and provided with a threaded part and a polished rod part, the threaded part is located above the polished rod part along the vertical direction, and the polished rod part abuts against the compression flange.
As a further technical solution, it is proposed that,
the length of the polished rod part is greater than or equal to the distance between the upper surface of the pressing flange and the upper surface of the supporting plate at the initial position.
The utility model discloses a theory of operation and beneficial effect do:
in this application, in order to solve because the not hard up gas leakage problem that arouses of gland packing wear and tear and strong vibrations back clamp bolt, set up one kind and can let the structure that the hold-down flange compressed tightly the gland packing constantly, specifically do, be provided with protruding type flange on the cylinder body, protruding type flange is passed to the one end that the hammer stem is provided with the piston, and the piston slides and sets up in the cylinder body, and the hammer stem during operation, piston reciprocating motion in the cylinder body. A sealing groove is formed between the inner wall of the convex part of the convex connecting flange and the outer wall of the hammer rod, and sealing filler is arranged in the sealing groove. The pressing flange penetrates through the hammer rod and is located on one side of the convex connecting flange, the pressing flange is provided with a protruding pressing end, the protruding pressing end extends into the sealing groove and is in contact with the sealing filler, and the protruding pressing end is used for pressing the sealing filler in the sealing groove. The backup pad sets up in the cylinder body, and elastic component one end sets up in the backup pad, and the other end sets up on the hold-down flange for provide one and will hold-down flange and draw close the power of backup pad, elastic component can select the spring.
Like this, after normal use gland packing takes place wearing and tearing, the elastic component can draw the flange that compresses tightly to the backup pad to make the protrusion compress tightly the end and follow the seal groove and upwards slide, further compress tightly gland packing, along with gland packing's continuous wearing and tearing, the elastic component can constantly drive the protrusion and compress tightly the end and compress tightly gland packing, and to a great extent has avoided because the gas leakage phenomenon that wearing and tearing produced. When the air hammer performs forging and pressing work, if the air hammer is deflected, the eccentric center of the hammer rod can strain the compression flange on one side, so that the compression bolt on one side is broken, and air leakage is caused; in this application, when forging and pressing beat partially, the elastic component can provide certain power, comes the balanced impact strength who beats partially, makes the power of both sides roughly balanced, and the structure in this application has directly avoided the appearance of this problem from the root moreover, has also avoided simultaneously because the violent vibrations of hammering lead to the gas leakage phenomenon that housing bolt is not hard up and leads to, simple structure, easy to carry out, use.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. the device comprises a cylinder body, 2 a convex connecting flange, 3 a hammer rod, 4 a piston, 5 a sealing groove, 6 a sealing filler, 7 a pressing flange, 9 a convex pressing end, 10 a supporting plate, 11 an elastic part, 12 a guide rod, 13 a sliding rod, 14 a threaded hole, 15 a distance adjusting screw rod, 16 a threaded part, 17 a polished rod part.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.
As shown in fig. 1, the present embodiment proposes a sealing structure for an air hammer, which includes a cylinder body 1, wherein a convex connecting flange 2 is provided on the cylinder body 1; the hammer rod 3 penetrates through the convex connecting flange 2, a piston 4 is arranged at one end of the hammer rod 3, the piston 4 is arranged in the cylinder body 1 in a sliding mode, and a sealing groove 5 is formed between the convex connecting flange 2 and the outer wall of the hammer rod 3; the sealing filler 6 is arranged in the sealing groove 5; the pressing flange 7 penetrates through the hammer rod 3 and is positioned on one side of the convex connecting flange 2, the pressing flange 7 is provided with a protruding pressing end 9, and the protruding pressing end 9 extends into the sealing groove 5 and is in contact with the sealing filler 6; also comprises a step of adding a new type of additive,
a support plate 10, the support plate 10 being disposed on the cylinder block 1;
and the elastic piece 11 is arranged on the supporting plate 10 at one end, and the other end of the elastic piece 11 is arranged on the pressing flange 7 and used for providing a force for drawing the pressing flange 7 close to the supporting plate 10.
In this application, in order to solve because 6 wearing and tearing of gland packing and the not hard up gas leakage problem that arouses of gland bolt after the strong vibrations, set up one kind and can let the structure that compresses tightly gland packing 6 constantly of flange 7, specifically do, be provided with protruding type flange 2 on the cylinder body 1, protruding type flange 2 is passed to the one end that hammer stem 3 was provided with piston 4, and piston 4 slides and sets up in cylinder body 1, and hammer stem 3 during operation, piston 4 is reciprocating motion in cylinder body 1. A sealing groove 5 is formed between the inner wall of the convex part of the convex connecting flange 2 and the outer wall of the hammer rod 3, and a sealing filler 6 is arranged in the sealing groove 5. The pressing flange 7 penetrates through the hammer rod 3 and is located on one side of the convex connecting flange 2, the pressing flange 7 is provided with a protruding pressing end 9, the protruding pressing end 9 extends into the sealing groove 5 and is in contact with the sealing filler 6, and the protruding pressing end 9 is used for pressing the sealing filler 6 into the sealing groove 5. The supporting plate 10 is disposed on the cylinder 1, and the elastic member 11 is disposed on the supporting plate 10 at one end and on the pressing flange 7 at the other end for providing a force to draw the pressing flange 7 toward the supporting plate 10, and the elastic member 11 may be a spring.
Like this, after normal use gland packing 6 took place wearing and tearing, elastic component 11 can draw flange 7 to backup pad 10 to make the protrusion compress tightly end 9 along seal groove 5 lapse, further compress tightly gland packing 6, moreover along with gland packing 6's continuous wearing and tearing, elastic component 11 can constantly drive the protrusion and compress tightly end 9 and compress tightly gland packing 6, and to a great extent has avoided because the gas leakage phenomenon that wearing and tearing produced. When the air hammer performs forging and pressing work, if the air hammer is deflected, the eccentric center of the hammer rod 3 can strain the compression flange 7 on one side, so that the compression bolt on one side is broken, and air leakage is caused; in this application, when forging and pressing beat partially, elastic component 11 can provide certain power, comes the balanced impact strength who beats partially, makes the power of both sides roughly balanced, and the structure in this application has directly avoided the appearance of this problem from the root moreover, has also avoided simultaneously because the violent vibrations of hammering lead to the gas leakage phenomenon that housing bolt is not hard up and leads to, simple structure easily implements, uses.
Further, the device also comprises a guide rod 12, wherein the guide rod 12 is arranged on the support plate 10;
and one end of the sliding rod 13 is hinged on the pressing flange 7, and the other end of the sliding rod 13 is arranged in the guide rod 12 in a sliding manner.
In the application, in order to ensure that the pressing flange 7 can be kept vertically upward and is not easy to deviate in the process of being pulled upwards by the elastic piece 11, a guide rod 12 and a sliding rod 13 are arranged, wherein the guide rod 12 is arranged on the support plate 10 along the vertical direction, and the guide rod 12 is of a hollow structure; one end of the sliding rod 13 is hinged on the pressing flange 7, and the other end is arranged in the guide rod 12 in a sliding manner. In this way, during the upward pulling of the pressing flange 7 by the elastic member 11, the sliding rod 13 is always restricted by the guide rod 12 to move only vertically upward. Because the sliding rod 13 is hinged on the pressing flange 7, after the deviation, a certain range of movement is allowed between the supporting plate 10 and the pressing flange 7, so that the structure is not easy to damage.
Further, the support plate also comprises a threaded hole 14, wherein the threaded hole 14 is arranged on the support plate 10;
and the distance adjusting screw 15 is arranged in the threaded hole 14, the distance adjusting screw 15 is provided with a threaded part 16 and a polished rod part 17, the threaded part 16 is positioned above the polished rod part 17 in the vertical direction, and the polished rod part 17 abuts against the compression flange 7.
In the application, in order to facilitate maintenance and replacement, a threaded hole 14 and a distance adjusting screw 15 are arranged, the threaded hole 14 is arranged on the support plate 10, the distance adjusting screw 15 is provided with a threaded part 16 and a polished rod part 17, the polished rod part 17 penetrates through the threaded hole 14 and abuts against the upper surface of the compression flange 7, the threaded part 16 is located above the polished rod part 17 along the vertical direction, in an initial state, the threaded part 16 is located above the threaded hole 14, and the polished rod part 17 cannot block the compression flange 7 from moving upwards; when the sealing filler 6 or other components need to be maintained and replaced, the distance adjusting screw 15 is moved downwards and rotated, the threaded portion 16 is rotated into the threaded hole 14, the distance adjusting screw 15 is continuously rotated, the position of the distance adjusting screw 15 is continuously lowered through threaded connection of the threaded portion 16 and the threaded hole 14, and the smooth rod portion 17 is continuously lowered against the pressing flange 7 until the position can be replaced and maintained.
Further, the length of the polish rod portion 17 is greater than or equal to the distance between the upper surface of the pressing flange 7 and the upper surface of the support plate 10 at the initial position.
In this application, in order that the polish rod portion 17 does not obstruct the upward movement of the hold-down flange 7, the polish rod portion 17 has a length greater than or equal to the distance between the upper surface of the hold-down flange 7 and the upper surface of the support plate 10 at the initial position, so that the screw portion 16 is not screwed into the screw hole 14 at the initial position.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the present invention.
Claims (4)
1. A sealing structure of an air hammer comprises a sealing body,
the cylinder body (1), wherein a convex connecting flange (2) is arranged on the cylinder body (1);
the hammer rod (3) penetrates through the convex connecting flange (2), a piston (4) is arranged at one end of the hammer rod (3), the piston (4) is arranged in the cylinder body (1) in a sliding mode, and a sealing groove (5) is formed between the convex connecting flange (2) and the outer wall of the hammer rod (3);
a sealing packing (6), the sealing packing (6) being disposed within the sealing groove (5);
the compression flange (7) is sleeved on the hammer rod (3) and is close to one side of the convex connecting flange (2), the compression flange (7) is provided with a convex compression end (9), and the convex compression end (9) extends into the sealing groove (5) and is contacted with the sealing filler (6);
it is characterized by also comprising the following steps of,
a support plate (10), the support plate (10) being disposed on the cylinder block (1);
and one end of the elastic piece (11) is arranged on the supporting plate (10), and the other end of the elastic piece (11) is arranged on the pressing flange (7) and is used for providing a force for drawing the pressing flange (7) close to the supporting plate (10).
2. The air hammer sealing structure according to claim 1, further comprising,
a guide rod (12), the guide rod (12) being disposed on the support plate (10);
and one end of the sliding rod (13) is hinged to the pressing flange (7), and the other end of the sliding rod (13) is arranged in the guide rod (12) in a sliding manner.
3. The air hammer sealing structure according to claim 1, further comprising,
a threaded hole (14), the threaded hole (14) being provided on the support plate (10);
the distance adjusting screw (15) is arranged in the threaded hole (14), the distance adjusting screw (15) is provided with a threaded portion (16) and a polished rod portion (17), the threaded portion (16) is located above the polished rod portion (17) in the vertical direction, and the polished rod portion (17) abuts against the pressing flange (7).
4. An air hammer sealing structure according to claim 3,
the length of the polished rod part (17) is greater than or equal to the distance between the upper surface of the pressing flange (7) and the upper surface of the supporting plate (10) at the initial position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121850925.7U CN218063381U (en) | 2021-08-09 | 2021-08-09 | Air hammer sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121850925.7U CN218063381U (en) | 2021-08-09 | 2021-08-09 | Air hammer sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218063381U true CN218063381U (en) | 2022-12-16 |
Family
ID=84397037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121850925.7U Active CN218063381U (en) | 2021-08-09 | 2021-08-09 | Air hammer sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218063381U (en) |
-
2021
- 2021-08-09 CN CN202121850925.7U patent/CN218063381U/en active Active
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