CN106111866B - Air hammer capable of accurately regulating and controlling hammering force and hammering frequency - Google Patents
Air hammer capable of accurately regulating and controlling hammering force and hammering frequency Download PDFInfo
- Publication number
- CN106111866B CN106111866B CN201610702386.XA CN201610702386A CN106111866B CN 106111866 B CN106111866 B CN 106111866B CN 201610702386 A CN201610702386 A CN 201610702386A CN 106111866 B CN106111866 B CN 106111866B
- Authority
- CN
- China
- Prior art keywords
- pressure
- air bag
- control valve
- precise
- hammering
- 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.)
- Active
Links
- 230000001105 regulatory effect Effects 0.000 title claims description 34
- 230000001276 controlling effect Effects 0.000 title description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 230000008859 change Effects 0.000 abstract description 5
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000005242 forging Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J7/00—Hammers; Forging machines with hammers or die jaws acting by impact
- B21J7/20—Drives for hammers; Transmission means therefor
- B21J7/22—Drives for hammers; Transmission means therefor for power hammers
- B21J7/24—Drives for hammers; Transmission means therefor for power hammers operated by steam, air, or other gaseous pressure
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forging (AREA)
Abstract
The invention discloses an air hammer with precisely adjustable hammering force and hammering frequency, which comprises a working cylinder and a controllable constant-pressure air bag, wherein the controllable constant-pressure air bag consists of a precise pressure adjusting air bag and a precise frequency adjusting air bag, a second pressure controller and a first pressure controller are respectively arranged in the precise pressure adjusting air bag and the precise frequency adjusting air bag, the precise pressure adjusting air bag and the precise frequency adjusting air bag are respectively connected with a high-pressure air pump through a fifth control valve and a sixth control valve, the air hammer is provided with the high-pressure air pump, and the fifth control valve and the sixth control valve which are respectively connected with the precise pressure adjusting air bag and the precise frequency adjusting air bag are controlled through the second pressure controller and the first pressure controller to adjust the high-pressure air supply quantity of the precise pressure adjusting air bag and the precise frequency adjusting air bag so as to change the air pressure in the precise pressure adjusting air bag and the precise frequency adjusting air bag, and the air pressure in the air bag is precisely adjusted and controlled.
Description
Technical Field
The invention relates to an air hammer, in particular to an air hammer with precisely adjustable hammering force and hammering frequency.
Background
The air hammer is a forging apparatus directly driven by an electric motor. In brief, when the motor drives the crankshaft connecting rod mechanism to move up and down, the compression piston is pushed to move up and down in the compression cylinder, air at the upper part of the compression cylinder is connected with the upper part of the working cylinder through the connecting pipeline and the control valve, air at the lower part of the compression cylinder is connected with the lower part of the working cylinder through the connecting pipeline and the control valve, and when the compression piston moves up and down in the compression cylinder, the working cylinder piston drives the hammer head to move up and down under the action of air pressure, and the hammer head completes hammering movement. The hammering force of the air hammer is uncontrollable, the hammering frequency is uncontrollable, and the quality of hammering blanks is affected.
Disclosure of Invention
The invention provides an air hammer with precisely adjustable hammering force and hammering frequency, which can effectively solve the problem that the hammering force and hammering frequency of the air hammer are uncontrollable in practical application.
In order to solve the technical problems, the invention provides the following technical scheme:
The invention provides an air hammer with precisely adjustable hammering force and hammering frequency, which comprises a working cylinder and a controllable constant pressure air bag, wherein the controllable constant pressure air bag consists of a precise pressure adjusting air bag and a precise frequency adjusting air bag, a working piston is arranged in the working cylinder, an upper anvil iron is arranged at the bottom end of the working piston, a lower anvil iron is arranged at the lower part of the upper anvil iron, the working piston divides the working cylinder into an upper part and a lower part, the upper part of the working cylinder is connected with the precise pressure adjusting air bag through a first control valve, the upper part of the working cylinder is connected with the atmosphere through a third control valve, the lower part of the working cylinder is connected with the precise frequency adjusting air bag through a second control valve, the lower parts of the working cylinder are connected with the atmosphere through a fourth control valve, a second pressure controller and a first pressure controller are respectively arranged in the precise pressure adjusting air bag and the precise frequency adjusting air bag, and the precise frequency adjusting air bag are respectively connected with a high pressure air pump through a fifth control valve and a sixth control valve.
As a preferable technical scheme of the invention, a blank is arranged between the lower anvil and the upper anvil.
As a preferable technical scheme of the invention, the volume of the precise pressure regulating air bag is 10-15 times larger than that of the working cylinder.
As a preferable solution of the present invention, the first pressure controller is electrically connected to the sixth control valve, and the second pressure controller is electrically connected to the fifth control valve.
The beneficial effects achieved by the invention are as follows: the air hammer with the hammering force and the hammering frequency capable of being accurately regulated adopts a mode that the air hammer is provided with a high-pressure air pump, a second pressure controller and a first pressure controller which can be accurately regulated through pressure values are used for controlling a fifth control valve and a sixth control valve which are respectively connected with a precise pressure regulating air bag and a precise frequency regulating air bag, high-pressure air supply quantity injected into the precise pressure regulating air bag and the precise frequency regulating air bag is regulated so as to change the air pressure in the precise pressure regulating air bag and the precise frequency regulating air bag, and the precise regulation of the air pressure in the precise pressure regulating air bag and the precise frequency regulating air bag is realized, so that the precise regulation of the hammering force and the precise regulation of the hammering frequency are realized.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic view of an air hammer with precisely controllable hammer force and hammer frequency according to the present invention;
in the figure: 1. a working cylinder; 2. a first control valve; 3. a precise pressure regulating air bag; 4. a controllable constant pressure air bag; 5. a high pressure air pump; 6. a precise frequency adjusting air bag; 7. a lower anvil iron; 8. an upper anvil iron; 9. a second control valve; 10. a working piston; 11. a sixth control valve; 12. a first pressure controller; 13. a second pressure controller; 14. a third control valve; 15. a fourth control valve; 16. and a fifth control valve.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
Examples: as shown in fig. 1, the air hammer with precisely adjustable hammering force and hammering frequency comprises a working cylinder 1 and a controllable constant pressure air bag 4, wherein the controllable constant pressure air bag 4 consists of a precise pressure adjusting air bag 3 and a precise frequency adjusting air bag 6, a working piston 10 is arranged in the working cylinder 1, an upper anvil iron 8 is arranged at the bottom end of the working piston 10, a lower anvil iron 7 is arranged at the lower part of the upper anvil iron 8, the working piston 10 divides the working cylinder 1 into an upper part and a lower part, the upper part of the working cylinder 1 is connected with the precise pressure adjusting air bag 3 through a first control valve 2, the upper part of the working cylinder 1 is connected with the atmosphere through a third control valve 14, the lower part of the working cylinder 1 is connected with the precise frequency adjusting air bag 6 through a second control valve 9, the lower parts of the working cylinder 1 are connected with the atmosphere through a fourth control valve 15, a second pressure controller 13 and a first pressure controller 12 are respectively arranged in the precise pressure adjusting air bag 3 and the precise frequency adjusting air bag 6, and the precise pressure adjusting air bag 6 are respectively connected with a high pressure pump 5 through a fifth control valve 16 and a sixth control valve 16.
A blank is arranged between the lower anvil iron 7 and the upper anvil iron 8 and is used for hammering the blank.
The volume of the precise pressure regulating air bag 3 is 10-15 times larger than that of the working cylinder 1, and when the gas fullness of the precise pressure regulating air bag 3 enters the working air cavity, the hammer head can work at constant pressure.
The first pressure controller 12 is electrically connected with the sixth control valve 11, the second pressure controller 13 is electrically connected with the fifth control valve 16, the precise pressure regulating air bag 3 controls the switch of the fifth control valve 16 through the second pressure controller 13 to enable the high-pressure air pump 5 to supply air, and the precise frequency regulating air bag 6 controls the switch of the sixth control valve 11 through the first pressure controller 12 to enable the high-pressure air pump 5 to supply air.
Specifically, when the first control valve 2 is opened, the third control valve 14 is closed, the second control valve 9 is closed, and the fourth control valve 15 is opened, the gas of the precision pressure-adjusting gas bag 3 enters the upper portion of the working cylinder 1 in an approximately constant pressure mode, the lower portion of the working cylinder 1 is connected with the atmosphere, under the action of constant air pressure, the hammer head works in a constant pressure mode and hammers downwards with constant acceleration, and because the working stroke of the hammer head is a fixed value, the movement speed of the hammer head during hammering the forging is a fixed value, the kinetic energy of the hammer head is a fixed value, the hammering force of the hammer head is a fixed value, and when the gas pressure of the precision pressure-adjusting gas bag 3 changes, the hammering force linearly changes along with the change of the gas pressure of the precision pressure-adjusting gas bag 3, so that the accurate regulation and control of the hammering force of the hammer head are realized. When the hammer is hammered downwards, the first control valve 2 is closed, the third control valve 14 is opened, the upper part of the working cylinder 1 is connected with the atmosphere, meanwhile, the second control valve 9 is opened, the fourth control valve 15 is closed, the lower part of the working cylinder 1 is connected with the precise frequency adjusting air bag 6, the hammer moves upwards to reset under the action of the gas pressure of the precise frequency adjusting air bag 6, the reset time is determined by the gas pressure of the precise frequency adjusting air bag 6, the pressure is large, the reset time is short, the pressure is small, the reset time is long, and when the gas pressure of the precise frequency adjusting air bag 6 changes, the reset time linearly changes along with the change of the gas pressure of the precise frequency adjusting air bag 6, so that the hammer hammering frequency is precisely regulated.
The air hammer with the hammering force and the hammering frequency capable of being accurately regulated adopts a mode that the air hammer is provided with a high-pressure air pump, and a second pressure controller 13 and a first pressure controller 11 with the pressure value capable of being accurately regulated are used for controlling a fifth control valve 16 and a sixth control valve 11 which are respectively connected with a precise pressure regulating air bag 3 and a precise frequency regulating air bag 6 to regulate the high-pressure air supply amount injected into the precise pressure regulating air bag 3 and the precise frequency regulating air bag 6 so as to change the air pressure in the precise pressure regulating air bag 3 and the precise frequency regulating air bag 6, so that the precise regulation of the air pressure in the precise pressure regulating air bag 3 and the precise frequency regulating air bag 6 is realized, and further the precise regulation of the hammering force and the precise regulation of the hammering frequency are realized.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (2)
1. The utility model provides an air hammer that hammering power and hammering frequency can be accurately regulated and control, includes working cylinder (1) and controllable constant pressure air pocket (4), its characterized in that, controllable constant pressure air pocket (4) are by accurate pressure regulation air pocket (3) and accurate frequency regulation air pocket (6) are constituteed, the inside of working cylinder (1) is equipped with working piston (10), the bottom of working piston (10) is equipped with upper anvil (8), the lower part of upper anvil (8) is equipped with down anvil (7), working piston (10) will working cylinder (1) divide into upper and lower two parts, working cylinder (1) upper portion pass through first control valve (2) with accurate pressure regulation air pocket (3) links to each other, working cylinder (1) upper portion pass through third control valve (14) and atmosphere link to each other, working cylinder (1) lower part pass through second control valve (9) with accurate frequency regulation air pocket (6) link to each other, working cylinder (1) lower part pass through fourth control valve (15) and accurate pressure regulator (13) are equipped with accurate pressure regulator (3), the precise pressure regulating air bag (3) and the precise frequency regulating air bag (6) are respectively connected with the high-pressure air pump (5) through a fifth control valve (16) and a sixth control valve (11);
a blank is arranged between the lower anvil iron (7) and the upper anvil iron (8);
the volume of the precise pressure regulating air bag (3) is 10-15 times larger than that of the working cylinder (1).
2. An air hammer with precisely controllable hammering force and hammering frequency according to claim 1, characterized in that said first pressure controller (12) is electrically connected to said sixth control valve (11), and said second pressure controller (13) is electrically connected to said fifth control valve (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610702386.XA CN106111866B (en) | 2016-08-23 | 2016-08-23 | Air hammer capable of accurately regulating and controlling hammering force and hammering frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610702386.XA CN106111866B (en) | 2016-08-23 | 2016-08-23 | Air hammer capable of accurately regulating and controlling hammering force and hammering frequency |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106111866A CN106111866A (en) | 2016-11-16 |
| CN106111866B true CN106111866B (en) | 2024-06-21 |
Family
ID=57280134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610702386.XA Active CN106111866B (en) | 2016-08-23 | 2016-08-23 | Air hammer capable of accurately regulating and controlling hammering force and hammering frequency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106111866B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111058437B (en) * | 2020-01-30 | 2024-07-02 | 福州大学 | Labor-saving soil ramming hammer and use method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206028612U (en) * | 2016-08-23 | 2017-03-22 | 贺梦琪 | Pneumatic hammer that hammering power and hammering frequency can be accurate be regulated and control |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB190218434A (en) * | 1902-08-21 | 1903-04-30 | William Burlingham | Improvements in Pneumatic Hammers |
| FR345850A (en) * | 1903-08-31 | 1904-12-17 | William Graham | Pneumatic forging hammer |
| GB190426356A (en) * | 1904-12-03 | 1905-02-16 | Alfred Julius Boult | Improvements in or relating to Pneumatic Tools. |
| DE373191C (en) * | 1921-03-10 | 1923-04-09 | Franz Jordan Dr Ing | Air hammer with oscillating air columns |
| US7413027B2 (en) * | 2005-08-03 | 2008-08-19 | Glendo Corporation | Impact power tool with a precision controlled drive system |
| US7325397B2 (en) * | 2005-08-16 | 2008-02-05 | Chi Ping Lee | Device for continuously supplying compressed air from a portable container to a pneumatic tool by greatly reducing pressure of compressed air and then precisely adjusting same |
| US7775295B1 (en) * | 2008-01-23 | 2010-08-17 | Glendo Corporation | Proportional pilot-controlled pneumatic control system for pneumatically powered hand-held tools |
| CN201808036U (en) * | 2010-09-15 | 2011-04-27 | 苏州卓识商务咨询有限公司 | Automatic nail hammer |
| CN103817067B (en) * | 2014-02-25 | 2016-06-08 | 苏州东菱科技有限公司 | One is automatically adjusted pneumatic hammer |
-
2016
- 2016-08-23 CN CN201610702386.XA patent/CN106111866B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206028612U (en) * | 2016-08-23 | 2017-03-22 | 贺梦琪 | Pneumatic hammer that hammering power and hammering frequency can be accurate be regulated and control |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106111866A (en) | 2016-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110307932B (en) | Gas pulse pressure generator based on impact switching and pressure generation method | |
| CN115683543B (en) | A test apparatus and method for testing the flutter characteristics of skin panels of high-speed aircraft | |
| CN206141130U (en) | Automatic device of impressing | |
| CN106925653A (en) | The method of die cushion and the control die cushion | |
| CN106111866B (en) | Air hammer capable of accurately regulating and controlling hammering force and hammering frequency | |
| KR20150034071A (en) | Stroke valve for controlling hydraulic brake | |
| CN201412411Y (en) | Buffer cylinder | |
| CN203614472U (en) | Internal mixer top peg oil cylinder hydraulic control device | |
| CN206028612U (en) | Pneumatic hammer that hammering power and hammering frequency can be accurate be regulated and control | |
| CN208341616U (en) | A kind of hydraulic weight forging machine | |
| CN201632582U (en) | Clamp switching mechanism of cold header | |
| CN111496223B (en) | Method and system for controlling molten metal gas entrainment of intelligent pressure chamber of die casting machine | |
| CN204247793U (en) | A kind of drawing die with variable blank holding pressure tool with automatic control function | |
| CN204750704U (en) | Full -automatic nail case highly swing pin fin device | |
| CN202270901U (en) | Pneumatic die forging machine | |
| CN213825618U (en) | Injection valve with stepless regulation of stroke and resilience force | |
| CN102688955A (en) | Hydraulic nut crimping machine | |
| CN205216795U (en) | Balanced auxiliary device of cubic apparatus press | |
| CN202597328U (en) | safety distance adjusting device for cylinder | |
| RU145394U1 (en) | ADAPTIVE HYDRAULIC PRESS MANAGEMENT SYSTEM | |
| CN103522575B (en) | Mechanism powder forming machine and quantitative oil supply system | |
| CN103410907A (en) | The working method of the intelligent code stomping device for hollow blocks and bricks | |
| CN101975204B (en) | High-speed large-flow valve controlled hydraulic speed generator | |
| CN203176069U (en) | Flexible unloading hydraulic system | |
| CN202283509U (en) | Gas-liquid pressurizing high pressure generating device of spraying system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |