CN103817067B - One is automatically adjusted pneumatic hammer - Google Patents
One is automatically adjusted pneumatic hammer Download PDFInfo
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- CN103817067B CN103817067B CN201410064209.4A CN201410064209A CN103817067B CN 103817067 B CN103817067 B CN 103817067B CN 201410064209 A CN201410064209 A CN 201410064209A CN 103817067 B CN103817067 B CN 103817067B
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Abstract
The invention discloses one and be automatically adjusted pneumatic hammer, be fixedly arranged on the two ends of hammer body including hammer body, hammer core, hammer core collision block, tup and hammer body end cap, tup and hammer body end cap respectively, hammer core is located in hammer body slidably, and hammer core collision block is fixed on one end of hammer core; The outer wall of hammer body is provided with an air inlet, first row QI KOU and second exhaust port, the inwall of hammer body is provided with the 3rd cannelure that the second cannelure that the first annular groove being connected with air inlet is connected with first row QI KOU is connected with second exhaust port, one end of hammer core is provided with the first airflow hole, the other end of hammer core is provided with one second airflow hole, and the first airflow hole and the second airflow hole are alternately conducted with air inlet in realizing hammer core motor process. Present configuration advantages of simple, only need to pass into the air-flow with pressure in hammer body, so that it may obtain continuous print impulsive force, therefore reliability is higher, it is convenient to use.
Description
Technical field
The present invention relates to a kind of pneumatic hammer, particularly relate to one and be automatically adjusted pneumatic hammer, its utilization passes into gas and can be automatically adjusted the straight reciprocating motion of himself, belongs to testing equipment field.
Background technology
Pneumatic hammer is widely used in industrial equipment, especially in Casting Equipment, it is possible to utilize the impulsive force of pneumatic hammer that the residue on foundry goods is cleared up. Along with the continuous expansion of pneumatic hammer application, now it is applied to testing equipment field. In testing equipment field, people utilize the impulsive force of pneumatic hammer to carry out excited by impact to a work top, workbench is made to produce certain acceleration, thus realizing the accelerated test to life of product, if regulating the size of pneumatic hammer impulsive force, just it is capable of the change of work top accekeration, so, utilizes the acceleration varied in size that product just can realize different magnitude of accelerated life test.
The existing pneumatic hammer for testing equipment field mainly has two kinds of forms:
The first form: utilize the Electromagnetic Drive of pneumatic hammer rear end to realize the reciprocating motion of hammer core, and regulate air inlet air pressure and change the size of impulsive force, thus realizing hammer core collision block to the continuing of tup, effectively impact.
The second form: shown in Figure 1, pneumatic hammer includes hammer body 1 ', hammer core 2 ', hammer core collision block 3 ', hammer body end cap 4 ' and tup 5 ', hammer core collision block 3 ' is located in hammer body 1 ' after being rigidly connected with hammer core 2 ' slidably, the end face of hammer body 1 ' and tup 5 ' are fixedly connected, and the other end of hammer body 1 ' and hammer body end cap 4 ' are fixedly connected. Hammer body 1 is provided with the first QI KOU 11 ', and first QI KOU 11 ' be connected with first annular groove 12 ', hammer body 1 is provided with one second QI KOU 17 ', and second QI KOU 17 ' be connected with the second cannelure 14 ', hammer body 1 ' is additionally provided with the 3rd cannelure 16 ' simultaneously, hammer core 2 ' is provided with the first airflow hole 21 ' and the second airflow hole 22 ', and tup 5 ' is provided with the installing hole 51 ' for being fixed on work top by pneumatic hammer.
The process of specific works: as shown in Figure 1, when hammering the top that core 2 ' moves to hammer body 1 ' into shape, QI KOU 17 ' on hammer body 1 ' is now as air inlet, air-flow by QI KOU 17 ' enter hammer body 1 ' inner chamber, by the second cannelure 14 ' flow through the first airflow hole 21 ' flow to tup 5 ' bottom promote hammer core 2 ' move to other direction; Meanwhile, the QI KOU 11 ' on hammer body 1 ' as air vent, the gas of hammer body 1 ' intracavity bottom by the second airflow hole 22 ' and the first annular groove 12 ' that is connected with the second airflow hole 22 ' QI KOU 11 ' on hammer body 1 ' discharge. Otherwise, as shown in Figure 2, when hammering core 2 ' into shape and moving to hammer body 1 ' bottom, QI KOU 11 ' is now as air inlet, air-flow flows to hammer body 1 ' bottom through first annular groove 12 ' and the second airflow hole 22 ' in communication, and thus, air-flow forms air pressure between hammer body end cap 4 ' and hammer core 2 ', hammer core 2 ' is moved to the direction of tup 5 ', it is achieved thereby that the shock of the bottom of hammer core collision block 3 ' and tup 5 '; Meanwhile, hammer core collision block 3 ' is discharged from QI KOU 17 ' by the first airflow hole 21 ' and the second cannelure 14 ' connected with the first airflow hole 21 ' with the gas between the bottom of tup 5 '. 3rd cannelure 16 ' is as the pressure buffer chamber between hammer core collision block 3 ' and tup 5 '. So, changing the pressure of pneumatic hammer upper and lower cavity by constantly substituting QI KOU 11 ' and QI KOU 17 ' air inlet or aerofluxus, thus realizing the straight reciprocating motion of hammer core 2 ', and then making hammer core collision block 3 ' that tup 5 ' is produced impulsive force.
The pneumatic hammer of the first form realizes hammer core motion by Electromagnetic Drive, additionally, also need to regulate air inlet air pressure to change the size of impulsive force, so that the control of pneumatic hammer becomes complex; The pneumatic hammer of the second form controls constantly to change the air inlet of two QI KOU or venting to realize the straight reciprocating motion of hammer core by gas circuit, so, again such that the control of pneumatic hammer becomes complex. Therefore, the hammer core movement velocity of the pneumatic hammer of above two kinds of forms is all because complicated control receives certain restriction, thus directly affects the size of pneumatic hammer impulsive force.
Therefore how a kind of simple in construction is provided, easy to use, and the pneumatic hammer that can arbitrarily regulate impulsive force size becomes industry problem demanding prompt solution.
Summary of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide a kind of simple in construction, easy to use, and can arbitrarily regulate the pneumatic hammer of impulsive force size.
To achieve these goals, technical solution of the present invention is as follows:
One is automatically adjusted pneumatic hammer, including hammer body, hammer core, hammer core collision block, tup and hammer body end cap, described tup and hammer body end cap are fixedly arranged on the two ends of described hammer body respectively, described hammer core is located in described hammer body slidably, described hammer core collision block is fixed on described hammer core near one end of described tup, and does straight reciprocating motion with described hammer core along the axis direction of described hammer body;
The outer wall of described hammer body is provided with air inlet, first row QI KOU and second exhaust port, the inwall of described hammer body is provided with the first annular groove being connected with described air inlet, the second cannelure being connected with described first row QI KOU, the 3rd cannelure being connected with described second exhaust port, described hammer core is provided with the first airflow hole near one end of described hammer core collision block, and the mouth end of described first airflow hole extends to described hammer core collision block, and run through described hammer core collision block, described hammer core is provided with one second airflow hole near one end of described hammer body end cap, described first airflow hole and the second airflow hole are blind hole, and described first airflow hole and the second airflow hole are alternately conducted with described air inlet in realizing described hammer core motor process.
One of preferred version as the present invention, a sidewall of described hammer body is vertically provided with the first connecting hole being connected with described first airflow hole, and the first connecting hole described in described first air-flow aperture and described air inlet are conducted.
One of preferred version as the present invention, another sidewall of described hammer body is vertically provided with the second connecting hole and the 3rd connecting hole that are connected with described second airflow hole, and described in described second air-flow aperture, the second connecting hole, the 3rd connecting hole are conducted with described air inlet.
One of preferred version as the present invention, when described second airflow hole is conducted with described air inlet, gas is discharged by described second exhaust port through described 3rd cannelure.
One of preferred version as the present invention, when described first airflow hole is conducted with described air inlet, gas is discharged by described first row QI KOU through described second cannelure.
One of preferred version as the present invention, described hammer core is cylinder, suitable with the inner chamber of described hammer body.
One of preferred version as the present invention, the outer wall of described hammer body is symmetrically provided with two described air inlets.
One of preferred version as the present invention, described hammer body end cap and described hammer body are by screw fixed seal connection, and described hammer core and described hammer core collision block are also by screw fixed seal connection.
One of preferred version as the present invention, the free end of described tup is an inclined-plane, and described tup is provided with an installing hole along the direction being perpendicular to described inclined-plane.
One of preferred version as the present invention, this is automatically adjusted barometric damper and the air flow controller that pneumatic hammer also includes being connected successively with described air inlet.
Compared with prior art, the present invention at least has the advantage that
The first airflow hole and the second airflow hole by arranging on hammer core are alternately conducted with air inlet to form contrary air pressure, promote hammer core straight reciprocating motion in hammer body, and then form the hammer core collision block impact to tup, because the straight reciprocating motion of hammer core is without using the External Force Acting such as spring or electric magnet, only need to pass into the air-flow with pressure in hammer body, therefore reliability is higher, it is convenient to use; Additionally, can arbitrarily be regulated the size of air inflow by barometric damper such that it is able to arbitrarily regulate the size of pneumatic hammer impulsive force.
Accompanying drawing explanation
In order to be illustrated more clearly that present configuration feature and technical essential, below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Fig. 1 is the structural representation that pneumatic hammer of the prior art hammer core is positioned at impingement position;
Fig. 2 is the structural representation that pneumatic hammer of the prior art hammer core is positioned at initial position;
A kind of pneumatic hammer hammer core that is automatically adjusted that Fig. 3 is disclosed in the embodiment of the present invention is positioned at the structural representation of initial position;
The structural representation that core is centrally located hammered into shape by a kind of pneumatic hammer that is automatically adjusted that Fig. 4 is disclosed in the embodiment of the present invention;
A kind of pneumatic hammer hammer core that is automatically adjusted that Fig. 5 is disclosed in the embodiment of the present invention is positioned at the structural representation of impingement position.
Description of reference numerals: 1-hammer body, 11-air inlet, the first annular groove of 12-, 13-first row QI KOU, 14-the second cannelure, 15-second exhaust port, 16-the 3rd cannelure, 2-hammers core, 21-the first airflow hole into shape, 22-the second airflow hole, 23-the first connecting hole, 24-the second connecting hole, 25-the 3rd connecting hole, 3-hammers core collision block, 4-hammer body end cap into shape, 5-tup, 51-installing hole.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the present embodiment, the technical scheme in embodiment is carried out specifically, describes clearly and completely.
Referring to shown in Fig. 3 to Fig. 5, one is automatically adjusted pneumatic hammer, including hammer body 1, hammer core 2, hammer core collision block 3, tup 4 and hammer body end cap 5, tup 4 and hammer body end cap 5 are fixedly arranged on the two ends of hammer body 1 respectively, hammer core 2 is located in hammer body 1 slidably, hammer core collision block 3 is fixed on hammer core 2 near one end of tup 4, and does straight reciprocating motion with hammering the core 2 axis direction along hammer body 1 into shape;
The outer wall of hammer body 1 is provided with an air inlet 11, first row QI KOU 13 and second exhaust port 15, the inwall of hammer body 1 is provided with the first annular groove 12 being connected with air inlet 11, the second cannelure 14 being connected with first row QI KOU 13, the 3rd cannelure 16 being connected with second exhaust port 15, hammer core 2 is provided with the first airflow hole 21 near one end of hammer core collision block 3, and first airflow hole 21 mouth end to hammer core collision block 3 extend, and run through hammer core collision block 3, hammer core 2 is provided with one second airflow hole 22 near one end of hammer body end cap 5, first airflow hole 21 and the second airflow hole 22 are blind hole, and first airflow hole 21 and the second airflow hole 22 be alternately conducted with air inlet 11 in the motor process realizing hammer core 2.
Shown in Figure 3, a sidewall of hammer body 1 is vertically provided with the first connecting hole 23 being connected with the first airflow hole 21, and the first airflow hole 21 can be conducted with air inlet 11 through the first connecting hole 23; Another sidewall of hammer body 1 is vertically provided with the second connecting hole 24 and the 3rd connecting hole 25 being connected with the second airflow hole 22, wherein, second connecting hole 24 and the 3rd connecting hole 25 are positioned apart from, and its aperture sum adds that the summation of the spacing between hole is not more than the groove width of first annular groove 12, the second airflow hole 22 is conducted with air inlet 11 through the second connecting hole the 23, the 3rd connecting hole 24.
Shown in Figure 3, when the second airflow hole 22 is conducted with air inlet 11, gas is discharged by second exhaust port 15 through the 3rd cannelure 16; Shown in Figure 5, when the first airflow hole 21 is conducted with air inlet 11, gas is discharged by first row QI KOU 13 through the second cannelure 14.
Shown in Figure 3, hammer core 2 is cylinder, suitable with the inner chamber of hammer body 1. The outer wall of hammer body 1 is symmetrically arranged two air inlets 11. Hammer body end cap 4 and hammer body 1 are by screw fixed seal connection. Hammer core 2 and hammer core collision block 3 are by screw fixed seal connection. The free end of tup 5 is an inclined-plane, and tup 5 is provided with an installing hole 51 along the direction being perpendicular to inclined-plane, and installing hole 51 is for being arranged on work top by pneumatic hammer.
This is automatically adjusted barometric damper and the air flow controller that pneumatic hammer also includes being connected successively with air inlet. Controlling barometric damper by air flow controller the air inflow size of pneumatic hammer air inlet is changed, thus controlling the speed of hammer core 2 straight reciprocating motion, and then control hammer core collision block 3 clashes into the impulsive force of tup 5.
No matter hammer core 2 is in what position in hammer body 1, as long as air inlet 11 has air-flow to pass into, so air inlet 11 can be conducted through first annular groove 12 and the first airflow hole 21 or the second airflow hole 22 all the time, hammer core 2 is promoted to do straight reciprocating motion, simultaneously, when the second airflow hole 22 is conducted with air inlet 11, gas is discharged by second exhaust port 15 through the 3rd cannelure 16; When the first airflow hole 21 is conducted with air inlet 11, gas is discharged by first row QI KOU 13 through the second cannelure 14. So, it is possible the gas pressure reducing in the inner chamber of hammer body 1 so that hammer core 2 moves freely.
Shown in Figure 3, now, hammer core 2 is in initial position, when the air inlet 11 on hammer body 1 injects air-flow, air-flow flows to bottom hammer body 1 by first annular groove 12 and the second airflow hole 22, and air-flow forms air pressure between hammer body end cap 4 and hammer core 2, promotes hammer core 2 to move to tup 5 direction.
Shown in Figure 4, now, hammer core 2 is in the centre position to the motion of tup 5 direction, second airflow hole 22 is still conducted with first annular groove 12 and air inlet 11, air-flow continues towards between hammer body end cap 4 and hammer core 2, thus air pressure increases therebetween, the hammer speed move to tup 5 direction of core 2 increases, it is achieved thereby that the bottom hammering core collision block 3 and tup 5 into shape is clashed into;Meanwhile, the air pressure between hammer core 2 and tup 5 discharges outside hammer body 1 automatically by the 3rd cannelure 16 and second exhaust port 15.
Shown in Figure 5, now, hammer core 2 is in the position clashing into tup 5, air inlet 11 is conducted through first annular groove 12 and the first airflow hole 21, air inlet 11 continues to supply, air-flow flows to hammer body 1 top by first annular groove 12 and the first airflow hole 21, and air-flow forms air pressure between tup 5 and hammer core 2, promotes hammer core 2 to move to hammer body end cap 4 direction; Meanwhile, the air pressure between hammer core 2 and hammer body end cap 4 discharges outside hammer body 1 automatically by the second cannelure 14 and first row QI KOU 13.
In sum, when air inlet 11 passes into the gas with certain pressure, no matter at hammer body 1 inner chamber where hammer core 2, air inlet 11 will necessarily be conducted through first annular groove 12 and the first airflow hole 21 or the second airflow hole 22, when air inlet 11 and the second airflow hole 22 are conducted, hammer core 2 moves to tup 5 direction, otherwise, hammer core 2 moves to hammer body end cap 4 direction. So, it is achieved that when air inlet 11 supplies continuously, hammer the core 2 purpose doing straight reciprocating motion in hammer body 1 inner chamber into shape, and then achieve the effect that pneumatic hammer impulsive force is automatically adjusted, not only use convenient, and reliability is higher.
Above-mentioned detailed description of the invention; it is only technology design and architectural feature that the present invention is described; purpose is in that the stakeholder being familiar with technique can be implemented according to this; but above said content is not limiting as protection scope of the present invention; every any equivalence made according to the spirit of the present invention changes or modifies, and all should fall within protection scope of the present invention.
Claims (10)
1. one kind is automatically adjusted pneumatic hammer, including hammer body, hammer core, hammer core collision block, tup and hammer body end cap, described tup and hammer body end cap are fixedly arranged on the two ends of described hammer body respectively, described hammer core is located in described hammer body slidably, described hammer core collision block is fixed on described hammer core near one end of described tup, and does straight reciprocating motion with described hammer core along the axis direction of described hammer body;
It is characterized in that, the outer wall of described hammer body is provided with air inlet, first row QI KOU and second exhaust port, the inwall of described hammer body is provided with the first annular groove being connected with described air inlet, the second cannelure being connected with described first row QI KOU, the 3rd cannelure being connected with described second exhaust port, described hammer core is provided with the first airflow hole near one end of described hammer core collision block, and the mouth end of described first airflow hole extends to described hammer core collision block, and run through described hammer core collision block, described hammer core is provided with one second airflow hole near one end of described hammer body end cap, described first airflow hole and the second airflow hole are blind hole, and described first airflow hole and the second airflow hole are alternately conducted with described air inlet in realizing described hammer core motor process.
2. one according to claim 1 is automatically adjusted pneumatic hammer, it is characterized in that, one sidewall of described hammer body is vertically provided with the first connecting hole being connected with described first airflow hole, and the first connecting hole described in described first air-flow aperture and described air inlet are conducted.
3. one according to claim 2 is automatically adjusted pneumatic hammer, it is characterized in that, another sidewall of described hammer body is vertically provided with the second connecting hole and the 3rd connecting hole that are connected with described second airflow hole, and described in described second air-flow aperture, the second connecting hole, the 3rd connecting hole are conducted with described air inlet.
4. one according to claim 1 is automatically adjusted pneumatic hammer, it is characterised in that when described second airflow hole is conducted with described air inlet, gas is discharged by described second exhaust port through described 3rd cannelure.
5. one according to claim 1 is automatically adjusted pneumatic hammer, it is characterised in that when described first airflow hole is conducted with described air inlet, gas is discharged by described first row QI KOU through described second cannelure.
6. one according to claim 1 is automatically adjusted pneumatic hammer, it is characterised in that described hammer core is cylinder, suitable with the inner chamber of described hammer body.
7. one according to claim 1 is automatically adjusted pneumatic hammer, it is characterised in that be symmetrically provided with two described air inlets on the outer wall of described hammer body.
8. one according to claim 1 is automatically adjusted pneumatic hammer, it is characterised in that described hammer body end cap and described hammer body are by screw fixed seal connection, and described hammer core and described hammer core collision block are also by screw fixed seal connection.
9. one according to claim 1 is automatically adjusted pneumatic hammer, it is characterised in that the free end of described tup is an inclined-plane, and described tup is provided with an installing hole along the direction being perpendicular to described inclined-plane.
10. one according to claim 1 is automatically adjusted pneumatic hammer, it is characterised in that this is automatically adjusted barometric damper and the air flow controller that pneumatic hammer also includes being connected successively with described air inlet.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064209.4A CN103817067B (en) | 2014-02-25 | 2014-02-25 | One is automatically adjusted pneumatic hammer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410064209.4A CN103817067B (en) | 2014-02-25 | 2014-02-25 | One is automatically adjusted pneumatic hammer |
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| CN103817067A CN103817067A (en) | 2014-05-28 |
| CN103817067B true CN103817067B (en) | 2016-06-08 |
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| CN201410064209.4A Active CN103817067B (en) | 2014-02-25 | 2014-02-25 | One is automatically adjusted pneumatic hammer |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075862A (en) * | 2014-07-01 | 2014-10-01 | 江苏白雪电器股份有限公司 | Vibrating table air hammer |
| CN106111866A (en) * | 2016-08-23 | 2016-11-16 | 贺梦琪 | A kind of hammer force and hammering frequency can be with the pneumatic hammers of accuracy controlling |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603705Y (en) * | 2003-01-29 | 2004-02-18 | 哈尔滨博实自动化设备有限责任公司 | Pneumatic hammer |
| CN201673025U (en) * | 2010-05-07 | 2010-12-15 | 江苏白雪电器股份有限公司 | Vibration test stand |
| CN203719678U (en) * | 2014-02-25 | 2014-07-16 | 苏州东菱科技有限公司 | Air-hammer loop structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000015592A (en) * | 1998-06-30 | 2000-01-18 | Toyo Kuki Seisakusho:Kk | Blow hammer |
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2014
- 2014-02-25 CN CN201410064209.4A patent/CN103817067B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2603705Y (en) * | 2003-01-29 | 2004-02-18 | 哈尔滨博实自动化设备有限责任公司 | Pneumatic hammer |
| CN201673025U (en) * | 2010-05-07 | 2010-12-15 | 江苏白雪电器股份有限公司 | Vibration test stand |
| CN203719678U (en) * | 2014-02-25 | 2014-07-16 | 苏州东菱科技有限公司 | Air-hammer loop structure |
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| CN103817067A (en) | 2014-05-28 |
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