CN205464119U - Air hammer - Google Patents
Air hammer Download PDFInfo
- Publication number
- CN205464119U CN205464119U CN201620055855.9U CN201620055855U CN205464119U CN 205464119 U CN205464119 U CN 205464119U CN 201620055855 U CN201620055855 U CN 201620055855U CN 205464119 U CN205464119 U CN 205464119U
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- Prior art keywords
- tup
- flange
- hammer
- hole
- upper anvil
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Abstract
The utility model discloses an air hammer has solved low, the tup and go up the low problem of hammering block iron junction structural strength especially of current air hammer stability, and its technical scheme main points are air hammer, including hammer body, tup and anvil, tup sliding connection is in hammering the body into shape, just the anvil is located the tup below, the tup is close to anvil one end and is equipped with hammering block iron, go up hammering block iron integrated into one piece in tup, just going up hammering block iron both ends and being formed with the extension to the middle part, the middle part is the concave arc structure of outside -in. The utility model discloses simple structure will be mainly through going up hammering block iron integrated into one piece in last hammering block iron, the stable effect of air hammer when reaching the hammering work piece.
Description
Technical field
This utility model relates to a kind of flat-die forging equipment, more specifically, it relates to a kind of pneumatic hammer.
Background technology
Pneumatic hammer is the one of flat-die forging equipment, and it has two cylinders, and air is compressed by compression cylinder, sends into working cylinder by distributing valve, promotes piston to move up and down together with tup and carries out hammering operation.Due in pneumatic hammer with compressed air as power, regulation air pressure can control percussion dynamics and hammering frequency, meets the requirement of safety in production, being therefore widely used in the flat-die forging work such as disconnected weldering, jumping-up or punching.
Such as, the Chinese patent of Application No. 200720115648.9 disclose a kind of can the pneumatic hammer of longitudinal over dimensioning forging diminished shaft, mainly include the pneumatic hammer being made up of hammer body, tup, upper anvil iron and anvil block, being fixed with middle part on anvil block and be longitudinally provided with the lower anvil iron of workpiece elongated hole, on lower anvil iron, workpiece elongated hole top is provided with cylindrical mould.
It is connected by the way of caudal peduncle inlay card dovetail groove between upper anvil iron and tup in this forging machine, therefore when tup downward hammering workpiece, upper anvil iron can offset relative to tup, there is the shortcoming that fastness is low, when tup moves downward, when upper anvil iron strikes workpiece, upper anvil iron opposite piece can be moved, cause and cause workpiece being carried out repeatedly hammering to workpiece pressure shakiness, reduce work efficiency, furthermore, impulsive force and vibration force is produced in the case of tup shakes between upper anvil iron and workpiece, owing to there is certain space between upper anvil iron and tup, also impulsive force and vibration force can be produced between upper anvil iron and tup, vibration force superposition increases the weight of the shaking amplitude of tup, increase the unstability of tup, there is the low shortcoming with hammering workpiece weak effect of structural strength.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of structural strength height, good stability, the pneumatic hammer that work efficiency is high.
For achieving the above object, this utility model provides following technical scheme: a kind of pneumatic hammer, including hammer body, tup and anvil block, described tup is slidably connected to hammer body into shape, and described anvil block is positioned at below tup, described tup is provided with upper anvil iron near anvil block one end, and described upper anvil iron is shaped in tup, and described upper anvil iron lower end is provided with the extension for increasing contact workpiece area, described upper anvil iron side is in the arcwall face concaved.
By using technique scheme, tup does downwards stretching motion, upper anvil iron carries out hammering forging to workpiece, owing to upper anvil iron is one-body molded with tup, gap is there is not before both, thus without producing impulsive force and vibration force, both will not the deformation because stress is excessive, and both will not rock, improve tup kinetic stability, upper anvil iron will not offset relative to tup, and the active force that workpiece is applied by tup and upper anvil iron will not be lost with the form of the mobile generation frictional force between upper anvil iron and tup, therefore can ensure that the reliability that hammering works；When the long-term striking work of upper anvil iron, lower end is by counteracting force, internal meeting should produce bigger stress and cause outer wall longitudinally crackle occur, and extension can strengthen the structural strength of upper anvil iron lower end, middle part is the arcuate structure concaved, and side is arcwall face so that when upper anvil iron is stressed excessive, make it trend towards deforming upon to middle indent and not ftractureing, prevent because of the fracture of disposable hard hit and then the situation of defective work piece.
This utility model is further arranged to: described hammer body lower end is removably connected with rib, and described tup wears and is slidably connected in rib.
By using technique scheme, tup is caused to produce collision with hammer body inwall owing to upper anvil iron striking work produces to rock, and rib can share the active force that hammer body is applied by tup, on the one hand the structural strength strengthening hammer body can be played, on the other hand tup long-term work position can offset, and whether tup position occurs skew to be difficult to be observed, removably connect below hammer body a rib, tup in motor process time, if often and there is relative movement between hammer body in rib, then tup often collides rib, thus may determine that tup position has occurred and that skew, it is easy to staff adjust in time.
This utility model is further arranged to: described rib is flange, and flange is connected to hammer body lower end into shape by securing member, and described tup wears the flange hole in the middle part of flange, and with flange hole in being slidably matched.
By using technique scheme, flange itself has a flange hole, and flange hole aperture just can select this flange with tup is suitable, is fixed in hammer body lower end.
This utility model is further arranged to: described flange deviate from hammer body one end integrally formed with ring bodies, ring bodies offers the through hole identical with flange hole aperture, and described through hole and flange hole are in being coaxially disposed.
By using technique scheme, tup rocks when colliding flange hole inwall, and usual flange hole inwall deformation quantity is little, and the deformation quantity of the lower edge of flange hole is big, and ring bodies is positioned at below flange hole, and protection flange will not wear and tear, and strengthens the structural strength of flange.
This utility model is further arranged to: described flange radially offers some steam vents, and described steam vent is conducted with flange hole.
By using technique scheme, tup collides hammer body or flange and rubs when easily producing heat, tup does stretching motion in hammer body, realize air current flow by steam vent to be discharged by heat, play the effect of heat radiation, furthermore it is high to be normally at the workpiece temperature of required forging immediately below tup, and steam enters into tup and is also required to discharge in time in the gap of hammer body.
This utility model is further arranged to: described upper anvil iron is made up of manganese steel material.
By using technique scheme, manganese steel is the anti-manganese steel of a kind of high intensity, it is possible to withstand shocks, extrude, etc. bad working environments condition, be possible to prevent upper anvil iron excessive wear when hammering workpiece, improve the service life of upper anvil iron.
This utility model is further arranged to: described flange hole and through-hole wall are coated with wearing layer.
By using technique scheme, wearing layer can bear the friction of more number of times without wearing and tearing so that flange hole, through hole repeatedly will not wear and tear easily with tup friction, thus ensure the long-term effectiveness of flange and extension.
This utility model is further arranged to: described anvil block connects has the clamp system for regular worker's part, described clamp system to include supporting platform and being connected to support the fixture block of platform both sides, and workpiece is arranged in conflicting between fixture block and with fixture block.
By using technique scheme, can be clamped by the required workpiece forged, during tup hammering workpiece, workpiece will not slide, and improves stability during hammering workpiece.
This utility model is further arranged to: described support platform is provided with the adjusting rod for regulating fixture block clamping degree.
By using technique scheme, it is achieved be clamped fixing to various sizes of workpiece, increase the motility of clamp system.
This utility model is further arranged to: described fixture block is rotationally connected with support platform, and described adjusting rod wears fixture block, and wears end and be fixed on support platform.
By using technique scheme, after fixture block turns to clamp workpiece, so that fixture block is fixed on support platform in adjusting rod is tightened in support platform by staff, fixture block will not rotate after being fixed.
In sum: main advantage is that, upper anvil iron is one-body molded with tup, when tup pumps during upper anvil iron hammering workpiece, compared to prior art, only produce impulsive force between upper anvil iron and workpiece, impulsive force will not occur between upper anvil iron and tup, therefore greatly reduce the shaking amplitude of pneumatic hammer, especially upper anvil iron will not moving hammer relatively, reach to apply, during hammering workpiece, the effect that active force is stable；Can strengthen hammering into shape the structural strength of body by rib, rib also is able to be easy to staff and judges whether the position of tup offsets, accomplishes to adjust in time；Workpiece can be clamped by the clamping device in such scheme, prevents it from sliding occurring in peened journey.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment pneumatic hammer；
Fig. 2 is embodiment another kind structural representation；
Fig. 3 is the structural representation that embodiment tup connects hammer body.
Reference: 1, hammer body；2, tup；3, upper anvil iron；4, extension；5, flange；6, ring bodies；7, through hole；8, steam vent；9, platform is supported；10, fixture block；11, adjusting rod；12, anvil block.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, this utility model pneumatic hammer is described further.
As shown in Figure 1, this utility model includes hammering body 1, tup 2, upper anvil iron 3 and anvil block 12 into shape, it is provided with working cylinder in hammer body 1, tup 2 is slidably connected in hammer body 1, working cylinder drives tup about 2 to move reciprocatingly, anvil block 12 is positioned at immediately below tup 2, and anvil block 12 is for placing the workpiece of required forging, and upper anvil iron 3 is in the lower section of hammer body 1.
As shown in Figure 1 to Figure 3, embodiment 1, the mode that upper anvil iron 3 of the present utility model is connected to tup 2 lower end is different from prior art, tup 2 is one-body molded with upper anvil iron 3, and the lower edge of upper anvil iron 3 is formed with extension 4 from the bottom to top, extension 4 is upper anvil iron 3 lower loop annular projection around outer wall, and upper anvil iron 3 is the arcuate structure that ecto-entad is recessed.Owing to tup 2 and upper anvil iron 3 are integrated, described the most there is not space, when working cylinder drives tup 2 down to move, upper anvil iron 3 down moves along with tup 2 and during hammering workpiece, only produce impulsive force and vibration force between upper anvil iron 3 and workpiece, there is not impulsive force and vibration force between upper anvil iron 3 and workpiece, therefore substantially reduce the shaking amplitude of tup 2 hammering work, it is to avoid and the collision between hammer body 1.Projection therein is curved, the protruding distance from the top of the lower curtate of inner end to outside is 3cm, and thickness from the bottom to top is 3cm, the long-term hammering workpiece of upper anvil iron 3, it is stressed easy deformation, lower edge deformation quantity is big, is not especially positioned at immediately below upper anvil iron 3 when workpiece, and the probability that lower edge is hammered onto workpiece is big, and it is little with the contact area of workpiece, the stress produced is big, and ring-type projection so that lower edge will not deformation through repeatedly hammering.Arcuate structure in indent in the middle part of upper anvil iron 3 outer wall, when upper anvil iron 3 by impulsive force excessive time, if the internal stress produced is excessive, it is cylindrical relative to upper anvil iron 3, so that bottom trends towards to middle part deformation, without the situation of longitudinal cracking occurs because of hard hit, or directly damage and then destroy surface of the work.Preferably, upper anvil iron 3 uses manganese steel material to make, manganese steel material is ZGMn13A material, by it under the conditions of room temperature to 1050 DEG C, is incubated 40 to 50 minutes, then continue to heat up, insulation insulation 40 to 50 minutes at 1100 DEG C, then quickly water-cooled prepares upper anvil iron 3, it can withstand shocks, extrudes, etc. bad working environments condition, it is possible to prevent upper anvil iron 3 excessive wear when hammering workpiece, improves the service life of upper anvil iron 3.
nullAs shown in Figure 3，It is removably connected with rib in the lower section of hammer body 1，Rib can be flange 5，Flange 5 is hubbed clip-on-welding flange 5，Flange 5 is bolted to hammer body 1 bottom surface into shape for flange 5，Described tup 2 wears flange 5 hole in the middle part of flange 5，And with flange 5 hole in being slidably matched，Flange 5 is integrally formed with ring bodies 6，For hubbed clip-on-welding flange 5, inherently there is a ring bodies 6，Ring bodies 6 offers the through hole 7 identical with aperture, flange 5 hole，And with flange 5 hole in being coaxially disposed，Tup 2 is caused to produce collision with hammer body 1 inwall owing to upper anvil iron 3 striking work produces to rock，And flange 5 can share the active force that hammer body 1 is applied by tup 2，On the one hand the structural strength strengthening hammer body 1 can be played，On the other hand tup 2 long-term work position can offset，And whether tup 2 position occurs skew to be difficult to be observed，Removably connect below hammer body 1 flange 5，Tup 2 in motor process time，If often and there is relative movement between hammer body 1 in flange 5，Then may determine that tup 2 often collides flange 5，Thus may determine that tup 2 position has occurred and that skew，It is easy to staff and adjusts tup 2 in time.Offering on flange 5 and radially offer some steam vents 8, steam vent 8 is conducted with flange 5 hole, it is simple to moving up and down process at tup 2, the gas inside and outside hammer body 1 circulates, it is achieved inside and outside gas exchange, plays the effect of heat radiation.It is coated with wearing layer with through hole 7 inwall in flange 5 hole, wearing layer is nickel-base alloy, ferrous alloy, tungsten carbide, WC pottery or ceramic metal one therein, wherein comprise the carbide of 10, wearing layer uses the mode of HVAF to be coated on flange 5 hole and through hole 7, wearing layer makes tup 2 rub without wearing and tearing easily for more than 7 time with flange 5 hole or through hole, thus ensures flange 5 and the long-term effectiveness of extension 4.
This utility model also connects on anvil block 12 clamp system, including supporting platform 9 and being connected to support the fixture block 10 of platform 9 both sides, workpiece offsets between fixture block 10 and with fixture block 10, it is provided with the adjusting rod 11 for regulating fixture block 10 clamping degree on platform 9 supporting, fixture block 10 is rotatably connected on support platform 9, adjusting rod 11 is rotationally connected on support platform 9, after various sizes of workpiece is placed on support platform 9, rotating fixture block 10 is clamped and is used adjusting rod 11 to wear fixture block 10, and the end that wears of adjusting rod 11 is fixed on support platform 9, realize fixing workpiece, reduce the vibration force produced between upper anvil iron 3 and workpiece.
Embodiment 2, extension 4 is replaced with by annular projection as different from Example 1: the waveform bending that upper anvil iron 3 lower end is upwardly formed by edge, bending makes upper anvil iron 3 lower end can bear a certain amount of deformation, accomplishes the measure preventing from damaging because deformation quantity is excessive the most in advance.
Embodiment 3, the rib being wherein connected to hammer into shape body 1 lower end is that quality of rubber materials offers porose rubber ring, resistant to elevated temperatures perfluoroelastomers can be used, the high temperature of 320 DEG C can be born and not deformation, prevent stablizing of workpiece from too high causing surrounding too high, and the bottom of hammer body 1 it is detachably connected on by bolt, when tup 2 collides rubber ring, rubber ring is under pressure deformation, owing to being Elastic Contact, therefore tup 2 is being shared to hammer while body 1 applies active force, the shaking amplitude of tup 2 can be reduced, improve stability during pneumatic hammer work.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (10)
1. a pneumatic hammer, including hammer body (1), tup (2) and anvil block (12), described tup (2) is slidably connected to hammer body (1) into shape, and described anvil block (12) is positioned at tup (2) lower section, described tup (2) is provided with upper anvil iron (3) near anvil block (12) one end, it is characterized in that, described upper anvil iron (3) is shaped in tup (2), and described upper anvil iron (3) lower end is provided with the extension (4) for increasing contact workpiece area, described upper anvil iron (3) side is in the arcwall face concaved.
Pneumatic hammer the most according to claim 1, it is characterised in that described hammer body (1) lower end is removably connected with rib, and described tup (2) wears and is slidably connected in rib.
Pneumatic hammer the most according to claim 2, it is characterised in that described rib is flange (5), flange (5) is connected to hammer body (1) lower end into shape by securing member, and described tup (2) wears the flange hole at flange (5) middle part, and with flange hole in being slidably matched.
Pneumatic hammer the most according to claim 3, it is characterized in that, described flange (5) deviate from hammer body (1) one end integrally formed with ring bodies (6), ring bodies (6) offers the through hole (7) identical with flange hole aperture, and described through hole (7) and flange hole are in being coaxially disposed.
Pneumatic hammer the most according to claim 3, it is characterised in that described flange (5) radially offers some steam vents (8), and described steam vent (8) is conducted with flange hole.
Pneumatic hammer the most according to claim 1, it is characterised in that described upper anvil iron (3) is made up of manganese steel material.
Pneumatic hammer the most according to claim 3, it is characterised in that described flange hole and through hole (7) inwall are coated with wearing layer.
Pneumatic hammer the most according to claim 1, it is characterized in that, described anvil block (12) connects the clamp system for regular worker's part, described clamp system includes supporting platform (9) and being connected to support the fixture block (10) of platform (9) both sides, and workpiece is positioned between fixture block (10) and arranges in conflicting with fixture block (10).
Pneumatic hammer the most according to claim 8, it is characterised in that described support platform (9) is provided with the adjusting rod (11) for regulating fixture block (10) clamping degree.
Pneumatic hammer the most according to claim 9, it is characterised in that described fixture block (10) is rotationally connected with support platform (9), described adjusting rod (11) wears fixture block (10), and wears end and be fixed on support platform (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620055855.9U CN205464119U (en) | 2016-01-20 | 2016-01-20 | Air hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620055855.9U CN205464119U (en) | 2016-01-20 | 2016-01-20 | Air hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205464119U true CN205464119U (en) | 2016-08-17 |
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ID=56638768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620055855.9U Expired - Fee Related CN205464119U (en) | 2016-01-20 | 2016-01-20 | Air hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205464119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513554A (en) * | 2016-12-06 | 2017-03-22 | 重庆市帝润锻造有限责任公司 | Air hammer anvil block |
-
2016
- 2016-01-20 CN CN201620055855.9U patent/CN205464119U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106513554A (en) * | 2016-12-06 | 2017-03-22 | 重庆市帝润锻造有限责任公司 | Air hammer anvil block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20200120 |