CN211803783U - Pneumatic impact hammer for casting head of casting - Google Patents
Pneumatic impact hammer for casting head of casting Download PDFInfo
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- CN211803783U CN211803783U CN202020402885.9U CN202020402885U CN211803783U CN 211803783 U CN211803783 U CN 211803783U CN 202020402885 U CN202020402885 U CN 202020402885U CN 211803783 U CN211803783 U CN 211803783U
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Abstract
The utility model provides a foundry goods dead head pneumatic percussion hammer, include: gas storage chamber and activity cylinder, activity cylinder is fixed to be inlayed and is installed on the shell inner wall in gas storage chamber, piston slidable mounting is in activity cylinder, the one end of piston connecting rod passes activity cylinder and slidable mounting is in activity cylinder's one end, hammering head fixed mounting is in the one end that the piston was kept away from to the piston connecting rod, admission valve fixed mounting is in the one end that the hammering head was kept away from to activity cylinder, discharge valve fixed mounting is close to on the one end lateral wall of hammering head and communicates with each other with activity cylinder is inside at the activity cylinder, a protection casing fixed mounting for protecting hammering head is on the one end lateral wall of activity cylinder and suit is on hammering head, preceding blotter fixed mounting is close to the one end of piston and with the piston contact at the piston connecting rod, back blotter fixed mounting is close to the one end of uide bushing.
Description
Technical Field
The utility model belongs to the technical field of cleaning equipment behind the foundry goods, in particular to pneumatic jump bit of foundry goods casting head.
Background
The pneumatic impact hammer is a mechanical tool which takes compressed air as power and instantly releases to push an internal hammer head to impact, has the advantages of large impact force, low noise, convenient installation, and the like, can be used in the environments of explosion prevention, dust accumulation, moisture and the like, and has wide application in the fields of industry, agriculture, mining, construction industry and the like.
The existing pneumatic hammer has the disadvantages that the size is large, the operation is inconvenient and the working efficiency is reduced due to the adoption of a serial structure of the gas storage and the hammer body.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the inconvenient too big operation of current pneumatic percussion hammer volume that mentions in the background art, influence work efficiency's technical problem, provide a pneumatic percussion hammer of foundry goods casting head, have convenient operation, convenient to overhaul's effect.
The utility model provides a technical scheme does:
a casting head pneumatic percussion hammer, comprising: gas storage chamber and activity cylinder, activity cylinder is fixed to be inlayed and is installed on the shell inner wall in gas storage chamber, piston slidable mounting is in activity cylinder, the one end of piston connecting rod passes activity cylinder and slidable mounting is in activity cylinder's one end, hammering head fixed mounting is in the one end that the piston was kept away from to the piston connecting rod, admission valve fixed mounting is in the one end that hammering head was kept away from to activity cylinder, discharge valve fixed mounting is close to on the one end lateral wall of hammering head and communicates with each other with activity cylinder is inside at the activity cylinder, a protection casing fixed mounting for protecting hammering head is on the one end lateral wall of activity cylinder and suit is on hammering head, preceding blotter fixed mounting is close to the one end of piston and contacts with the piston at the piston connecting rod, back blotter.
Preferably, a guide sleeve is fixedly installed on the inner wall of the end opening of the movable cylinder close to the hammering head.
Preferably, a damping ring is fixedly mounted on one side of the piston close to the movable cylinder.
Preferably, the piston is fixedly sleeved with a guide belt.
Preferably, the material of the guide belt is a phenolic aldehyde cloth.
Preferably, the piston rod is fixedly provided with a retainer ring.
Preferably, the retainer ring is made of tin bronze.
Preferably, the inlet valve and the exhaust valve are sealed with the movable cylinder through sealing rings.
The beneficial effects of the utility model are embodied in the following aspect:
1. the utility model discloses a with the activity cylinder embedding gas storage intracavity of hammer block, shortened the third for the mode that current hammer block and gas storage chamber were established ties, make pneumatic hammer volume diminish, be of value to the simple operation to improve pneumatic hammer's work efficiency.
2. The utility model discloses a piston retaining ring and guidance tape all adopt wear-resisting, and high temperature resistant material is of value to increase life.
3. The utility model discloses be different from current pneumatic hammer body and movable cylinder adopt clearance seal's sealed mode, adopted high temperature resistant wear-resisting material sealing washer to carry out seamless sealing, be of value to the gas tightness between increasing cylinder and valve body, be of value to the convenient maintenance and change the sealing member, practiced thrift the cost.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the pneumatic hammer comprises a protective cover 1, a hammering head 2, a gas storage cavity 3, a guide sleeve 4, a rear cushion 5, a movable cylinder 6, a piston connecting rod 7, a front cushion 8, a piston 9, a damping ring 10, a sealing ring 11, an exhaust valve 12, a guide belt 13, an air inlet valve 14, a first air inlet and outlet port 1401, a second air inlet and outlet port 1402 and a retainer ring 15.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1, the utility model provides a pneumatic percussion hammer of foundry goods dead head, include: the pneumatic hammer comprises a gas storage cavity 3 and a movable cylinder 6, wherein the movable cylinder 6 is fixedly embedded on the inner wall of a shell of the gas storage cavity 3, an embedded installation mode is adopted to change the series structure of a traditional hammer body and the gas storage cavity, the whole length of the pneumatic hammer is shortened by one third, the pneumatic hammer is convenient to operate, and the working efficiency of an operator is further improved, a piston 9 is slidably installed in the movable cylinder 6, one end of a piston connecting rod 7 penetrates through the movable cylinder 6 and is slidably installed at one end of the movable cylinder 6, a hammering head 2 is fixedly installed at one end, far away from the piston 9, of the piston connecting rod 7, an air inlet valve 14 is fixedly installed at one end, far away from the hammering head 2, of the movable cylinder 6, an exhaust valve 12 is fixedly installed on the side wall of one end, close to the hammering head 2, of the movable cylinder 6 and is communicated with the inside of the movable cylinder 6, and a guide, the piston connecting rod 7 is beneficial to improving the stability of the movement in the movable cylinder 6, and also plays a certain limiting and guiding role, and is beneficial to preventing the deviation of the hammering point of the hammering head 2, the protective cover 1 for protecting the hammering head 2 is fixedly arranged on the side wall of one end of the movable cylinder 6 and sleeved on the hammering head 2, the protective cover 1 can effectively protect the hammering head 2 and prevent the hammering head 2 from being damaged, and is beneficial to improving the service life of the hammering head 2, the front buffer cushion 8 is fixedly arranged at one end of the piston connecting rod 7 close to the piston 9 and is contacted with the piston 9, the rear buffer cushion 5 is fixedly arranged at one end of the piston connecting rod 7 close to the guide sleeve 4, the front buffer cushion and the rear cushion can effectively protect the piston connecting rod 7, and are beneficial to improving;
the utility model discloses a theory of operation: when the air hammer is in a standby state and the hammering head 2 stops working, the first air inlet and outlet 1401 of the air inlet valve 14 is used for introducing air, compressed air is introduced into the air storage cavity 3, and the air cannot enter one end, close to the piston, of the movable cylinder 6 due to the action of the air inlet valve rod in the air inlet valve 14 and is discharged from the second air inlet and outlet 1402, so that the hammering head 2 is still in the movable cylinder 6;
when the hammering operation is performed, the second air inlet 1402 of the air inlet valve 14 is filled with air, at this time, the air inlet valve rod in the air inlet valve 14 opens a passage between the air inlet end of the air inlet valve 14 and one end of the movable cylinder 6 close to the piston 9, at this time, high-pressure air in the movable cylinder 6 close to one end of the retainer ring 15 is exhausted by the exhaust valve 12, and the high-pressure air pushes the hammering head to move leftwards at a high speed through the piston 9 and the piston connecting rod 7, so that the hammering operation is finally completed. Wherein, one side of the piston 9 close to the movable cylinder 6 is fixedly provided with a damping ring 10 which is beneficial to protecting the piston 9 in the high-speed impact process, reducing the impact between the piston 9 and the side wall of the movable cylinder 6 and being beneficial to prolonging the service life of the piston 9, the piston 9 is fixedly sleeved with a guide belt 13 which is beneficial to ensuring the piston 9 to slide more stably in the movable cylinder 6 and further beneficial to ensuring the motion of the hammering head 2 to be more stable, the guide belt 13 is made of phenolic clamping cloth, has the characteristics of good wear resistance and high temperature resistance, is beneficial to prolonging the service life of parts and reducing the maintenance cost, a check ring 15 is fixedly arranged on the piston connecting rod 7, the check ring 15 is made of tin bronze, has good wear resistance under high-motion friction, reduces the maintenance frequency and the use cost, an air inlet valve 14 and an exhaust valve 12 are both sealed with the movable cylinder 6 through a, the high air tightness is kept, and meanwhile, the maintenance and the replacement of parts are convenient.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (8)
1. The utility model provides a foundry goods casting head pneumatic percussion hammer which characterized in that includes: gas storage chamber and activity cylinder, activity cylinder is fixed to be inlayed and is installed on the shell inner wall in gas storage chamber, piston slidable mounting is in activity cylinder, the one end of piston connecting rod passes activity cylinder and slidable mounting is in activity cylinder's one end, hammering head fixed mounting is in the one end that the piston was kept away from to the piston connecting rod, admission valve fixed mounting is in the one end that hammering head was kept away from to activity cylinder, discharge valve fixed mounting is close to on the one end lateral wall of hammering head and communicates with each other with activity cylinder is inside at the activity cylinder, a protection casing fixed mounting for protecting hammering head is on the one end lateral wall of activity cylinder and suit is on hammering head, preceding blotter fixed mounting is close to the one end of piston and contacts with the piston at the piston connecting rod, back blotter.
2. The casting head pneumatic impact hammer according to claim 1, wherein a guide sleeve is fixedly installed on the inner wall of a port of the movable cylinder, which is close to one end of the hammering head.
3. The casting head pneumatic impact hammer according to claim 1, wherein a damping ring is fixedly mounted on one side of the piston close to the movable cylinder.
4. The casting head pneumatic impact hammer according to claim 1, wherein a guide belt is fixedly sleeved on the piston.
5. The casting head pneumatic impact hammer according to claim 4, wherein the guide belt is made of phenolic cloth.
6. The casting head pneumatic impact hammer according to claim 5, wherein a retainer ring is fixedly mounted on the piston connecting rod.
7. The casting head pneumatic impact hammer according to claim 6, wherein the retainer ring is made of tin bronze.
8. The casting head pneumatic impact hammer according to claim 7, wherein the air inlet valve and the air outlet valve are sealed with the movable cylinder through sealing rings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020402885.9U CN211803783U (en) | 2020-03-26 | 2020-03-26 | Pneumatic impact hammer for casting head of casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020402885.9U CN211803783U (en) | 2020-03-26 | 2020-03-26 | Pneumatic impact hammer for casting head of casting |
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| Publication Number | Publication Date |
|---|---|
| CN211803783U true CN211803783U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020402885.9U Active CN211803783U (en) | 2020-03-26 | 2020-03-26 | Pneumatic impact hammer for casting head of casting |
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| Country | Link |
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| CN (1) | CN211803783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113560549A (en) * | 2021-08-06 | 2021-10-29 | 四川省柏均机械制造有限责任公司 | Dead head removing impact hammer for high manganese steel casting |
-
2020
- 2020-03-26 CN CN202020402885.9U patent/CN211803783U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113560549A (en) * | 2021-08-06 | 2021-10-29 | 四川省柏均机械制造有限责任公司 | Dead head removing impact hammer for high manganese steel casting |
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