CN202667522U - Air hammer with exposed upper anvil block - Google Patents

Air hammer with exposed upper anvil block Download PDF

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Publication number
CN202667522U
CN202667522U CN 201220319928 CN201220319928U CN202667522U CN 202667522 U CN202667522 U CN 202667522U CN 201220319928 CN201220319928 CN 201220319928 CN 201220319928 U CN201220319928 U CN 201220319928U CN 202667522 U CN202667522 U CN 202667522U
Authority
CN
China
Prior art keywords
hammer
anvil piece
dovetail
hammer stem
anvil
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.)
Expired - Fee Related
Application number
CN 201220319928
Other languages
Chinese (zh)
Inventor
丁成进
杨仁广
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HAI'AN WEISHI HEAVY MACHINERY CO Ltd
Original Assignee
HAI'AN WEISHI HEAVY MACHINERY CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HAI'AN WEISHI HEAVY MACHINERY CO Ltd filed Critical HAI'AN WEISHI HEAVY MACHINERY CO Ltd
Priority to CN 201220319928 priority Critical patent/CN202667522U/en
Application granted granted Critical
Publication of CN202667522U publication Critical patent/CN202667522U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an air hammer with an exposed upper anvil block. The air hammer comprises an electromotor, a crankshaft, a gear shaft, a connecting rod, a piston, a lower rotary valve, a compression cylinder, an upper rotary valve, an operating cylinder, a hammer rod, an operating cylinder guide sleeve, a connection dovetail of the hammer rod and an upper anvil block, a tapered wedge of the upper anvil block, the upper anvil block, a large anvil seat and a base, wherein the operating cylinder guide sleeve is arranged outside the hammer rod; the hammer rod comprises the connection dovetail of the hammer rod and the upper anvil block, the tapered wedge of the upper anvil block and the upper anvil block; the upper anvil block is arranged below the hammer rod; the bottom end of the hammer rod is provided with the connection dovetail of the hammer rod and the upper anvil block; and the connection dovetail of the hammer rod and the upper anvil block is arranged between the hammer rod and the upper anvil block. The air hammer provided by the utility model is suitable for forging of panel-type workpieces with high planeness requirements and large area, and thus the application range of the air hammer is enlarged; and as the bearing area of the dovetail can be enlarged on the premise of ensuring the connecting intensity of the dovetail, the bearing capability of the dovetail of the hammer rod is improved, and the using reliability of the equipment is improved.

Description

The exposed pneumatic hammer of upper anvil piece
Technical field
The utility model relates to a kind of pneumatic hammer, is specifically related to the exposed pneumatic hammer of a kind of upper anvil piece.
Background technology
Conventional air hammer is introduced technology from the former Soviet Union for China's the fifties and is made, as a kind of flat-die forging equipment, because its Technological adaptability widely; Failure rate is low, easy to maintenance, the advantage such as maintenance cost is low, energy consumption is low, flexible operation, method of operating are easy to learn are forged the favor of enterprise always deeply.
Existing pneumatic hammer has following weak point: when upper anvil piece moves to top dead-centre, upper anvil piece is recessed in the working cylinder guide pin bushing, because upper anvil piece is recessed in the working cylinder guide pin bushing, the working face area of upper anvil piece is not subjected to the restriction of working cylinder guide pin bushing diameter, if working cylinder guide pin bushing diameter of bore is D, its greatest circle area S circle=D 2* π/4, its maximum rectangular area S square=D 2/ 2, hammer stem is that dovetail type is connected with upper anvil piece connected mode, but because hammer stem is concave coattail structure, upper anvil piece is protruding dovetail structure, under the existing structure condition, cannot increase the dovetail loaded area, when upper anvil piece moves to top dead-centre on anvil piece drift be recessed in the working cylinder guide pin bushing, upper anvil piece wedge becomes flexible, scurries out under the forging vibration condition, pulls working cylinder guide pin bushing inwall.
The utility model content
The utility model purpose: the purpose of this utility model is in order to solve the deficiencies in the prior art, to provide a kind of upper anvil piece exposed pneumatic hammer.
Technical scheme: for achieving the above object, the utility model provides a kind of upper anvil piece exposed pneumatic hammer, comprise: motor, bent axle, gear shaft, connecting rod, piston, lower stopcock, compression cylinder, upper stopcock, working cylinder, hammer stem, the working cylinder guide pin bushing, hammer stem is connected dovetail with upper anvil piece, upper anvil piece wedge, upper anvil piece, large anvil block and base, described working cylinder guide pin bushing is arranged on the hammer stem outside, described hammer stem comprises that hammer stem is connected dovetail with upper anvil piece, upper anvil piece wedge and upper anvil piece, described hammer stem below is provided with the anvil piece, the hammer stem bottom is provided with hammer stem and is connected dovetail with upper anvil piece, is provided with hammer stem between hammer stem and the upper anvil piece and is connected dovetail with upper anvil piece.
As optimization, described hammer stem length lengthens, and the hammer stem extension length is height and the hammer stem buffering height of upper anvil piece.
As optimization, described substructure height is increased, and substructure height is increased height and the hammer stem buffering height that length is upper anvil piece.
As optimization, described hammer stem is the protruding dovetail structure in bottom.
As optimization, described upper anvil piece top is concave coattail structure.
As optimization, described hammer stem and upper anvil piece are that the dovetail structure is connected and fixed.
Upper anvil piece exposes to the working cylinder guide pin bushing, the working face area of upper anvil piece can not be subjected to the restriction of working cylinder guide pin bushing diameter, the working face area of upper anvil piece is minimum can to amplify 3 times, makes to change that the anvil piece becomes possibility on the large tracts of land, requires forging high, large-area flat-plate class workpiece thereby be suitable for flatness; Because hammer stem is protruding dovetail structure, upper anvil piece is concave coattail structure, under the requirement that guarantees the dovetail bonding strength, can increase the dovetail loaded area; Because upper anvil piece wedge exposes to the working cylinder guide pin bushing, scurry out after having avoided upper anvil piece wedge loosening and pull working cylinder guide pin bushing inwall.
Beneficial effect: the exposed pneumatic hammer of upper anvil piece of the present utility model is not because the working face area of upper anvil piece is subjected to the restriction of working cylinder guide pin bushing diameter, thereby being suitable for flatness requires high, the forging of large-area flat-plate class workpiece, enlarged the scope of application of pneumatic hammer, because hammer stem is protruding dovetail structure, upper anvil piece is concave coattail structure, under the requirement that guarantees the dovetail bonding strength, can increase the loaded area of dovetail, then increased the bearing capacity of hammer stem dovetail, improved the dependability of equipment, pull working cylinder guide pin bushing inwall owing to scurry out after having avoided upper anvil piece wedge loosening, improved the dependability of equipment.
Description of drawings
Fig. 1 is the structural representation of the exposed pneumatic hammer of upper anvil piece of the present utility model;
Fig. 2 is hammer stem and the upper anvil piece dovetail type syndeton schematic diagram of the exposed pneumatic hammer of upper anvil piece of the present utility model;
Fig. 3 is front hammer stem and the upper anvil piece dovetail type syndeton schematic diagram of improvement of the exposed pneumatic hammer of upper anvil piece of the present utility model.
The specific embodiment
Go up as shown in drawings the exposed pneumatic hammer of anvil piece, comprise: motor 1, bent axle 2, gear shaft 3, connecting rod 4, piston 5, lower stopcock 6, compression cylinder 7, upper stopcock 8, working cylinder 9, hammer stem 10, working cylinder guide pin bushing 11, hammer stem is connected dovetail 12 with upper anvil piece, upper anvil piece wedge 13, upper anvil piece 14, large anvil block 15 and base 16, described working cylinder guide pin bushing 11 is arranged on hammer stem 10 outsides, described hammer stem 10 comprises that hammer stem is connected dovetail 12 with upper anvil piece, upper anvil piece wedge 13 and upper anvil piece 14, described hammer stem 10 belows are provided with anvil piece 14, hammer stem 10 bottoms are provided with hammer stem and are connected dovetail 12 with upper anvil piece, be provided with hammer stem between hammer stem 10 and the upper anvil piece 14 and be connected dovetail 12 with upper anvil piece, described hammer stem 10 length lengthen, hammer stem 10 extension lengths are height and the hammer stem 10 buffering height of upper anvil piece 14, described base 16 is highly increased, base 10 is highly increased height and the hammer stem 10 buffering height that length is upper anvil piece 14, described hammer stem 10 is the protruding dovetail structure in bottom, described upper anvil piece 14 tops are concave coattail structure, and described hammer stem 10 is connected and fixed for the dovetail structure with upper anvil piece 14.
The exposed pneumatic hammer of upper anvil piece of the present utility model is when work, dragged by motor 1, slow down through belt pulley, gear double reduction mechanism, connect 4 through crank and drive piston 5 in the up and down straight reciprocating motion of compression cylinder 7 interior dos, difference mineralization pressure air in compression cylinder 7 upper and lower cavities, warp up and down stopcock 6 is input in working cylinder 9 upper and lower cavities, orders about hammer stem 10 and does the up and down straight reciprocating motion opposite with piston 5 directions of motion, thereby realize forging strike.
The exposed pneumatic hammer of upper anvil piece of the present utility model has overcome the weak point of conventional art, hammer stem 10 is that dovetail type is connected with upper anvil piece 14 connected modes, upper anvil piece 14 exposes to working cylinder guide pin bushing 11, the working face area of upper anvil piece 14 can not be subjected to the restriction of working cylinder guide pin bushing 11 diameters, the working face area of upper anvil piece 14 is minimum can to amplify 3 times, make and change that anvil piece 14 becomes possibility on the large tracts of land, require forging high, large-area flat-plate class workpiece thereby be suitable for flatness; Because hammer stem 10 is protruding dovetail structure, upper anvil piece 14 is concave coattail structure, under the requirement that guarantees the dovetail bonding strength, can increase the dovetail loaded area, still exposes to working cylinder guide pin bushing 11 when upper anvil piece 14 moves to top dead-centre; Because upper anvil piece wedge 13 exposes to working cylinder guide pin bushing 11, when moving to top dead-centre, upper anvil piece 14 still exposes to working cylinder guide pin bushing 11, and scurry out after having avoided upper anvil piece wedge 13 loosening and pull working cylinder guide pin bushing 11 inwalls.

Claims (6)

1. go up the exposed pneumatic hammer of anvil piece for one kind, comprise: motor (1), bent axle (2), gear shaft (3), connecting rod (4), piston (5), lower stopcock (6), compression cylinder (7), upper stopcock (8), working cylinder (9), hammer stem (10), working cylinder guide pin bushing (11), hammer stem is connected dovetail (12) with upper anvil piece, upper anvil piece wedge (13), upper anvil piece (14), large anvil block (15) and base (16), it is characterized in that: described working cylinder guide pin bushing (11) is arranged on hammer stem (10) outside, described hammer stem (10) comprises that hammer stem is connected dovetail (12) with upper anvil piece, upper anvil piece wedge (13) and upper anvil piece (14), described hammer stem (10) below is provided with anvil piece (14), hammer stem (10) bottom is provided with hammer stem and is connected dovetail (12) with upper anvil piece, is provided with hammer stem between hammer stem (10) and the upper anvil piece (14) and is connected dovetail (12) with upper anvil piece.
2. the exposed pneumatic hammer of upper anvil piece according to claim 1 is characterized in that: described hammer stem (10) length lengthens, and hammer stem (10) extension length is height and hammer stem (10) the buffering height of upper anvil piece (14).
3. the exposed pneumatic hammer of upper anvil piece according to claim 1, it is characterized in that: described base (16) is highly increased, and base (10) is highly increased height and hammer stem (10) the buffering height that length is upper anvil piece (14).
4. the exposed pneumatic hammer of upper anvil piece according to claim 1 is characterized in that: described hammer stem (10) is the protruding dovetail structure in bottom.
5. the exposed pneumatic hammer of upper anvil piece according to claim 1, it is characterized in that: described upper anvil piece (14) top is concave coattail structure.
6. the exposed pneumatic hammer of upper anvil piece according to claim 1 is characterized in that: described hammer stem (10) is connected and fixed for the dovetail structure with upper anvil piece (14).
CN 201220319928 2012-07-04 2012-07-04 Air hammer with exposed upper anvil block Expired - Fee Related CN202667522U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220319928 CN202667522U (en) 2012-07-04 2012-07-04 Air hammer with exposed upper anvil block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220319928 CN202667522U (en) 2012-07-04 2012-07-04 Air hammer with exposed upper anvil block

Publications (1)

Publication Number Publication Date
CN202667522U true CN202667522U (en) 2013-01-16

Family

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Application Number Title Priority Date Filing Date
CN 201220319928 Expired - Fee Related CN202667522U (en) 2012-07-04 2012-07-04 Air hammer with exposed upper anvil block

Country Status (1)

Country Link
CN (1) CN202667522U (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105855442A (en) * 2016-06-02 2016-08-17 新昌县羽林街道金敏轴承厂 High-safety air hammer special for steel forging
CN106077393A (en) * 2016-07-29 2016-11-09 宜兴市鑫锤锻压设备有限公司 A kind of high-efficiency air cooling pneumatic hammer
CN106925702A (en) * 2017-04-18 2017-07-07 苏州蓝王机床工具科技有限公司 A kind of pneumatic hammer structure
CN108465763A (en) * 2018-03-22 2018-08-31 南京信息职业技术学院 The automatic cold forging iron pan equipment of pneumatic hammer impact type
CN108555211A (en) * 2018-03-22 2018-09-21 南京信息职业技术学院 Automatic cold forging iron pan equipment
CN108555212A (en) * 2018-03-22 2018-09-21 南京信息职业技术学院 Iron pan cold forging auxiliary device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105855442A (en) * 2016-06-02 2016-08-17 新昌县羽林街道金敏轴承厂 High-safety air hammer special for steel forging
CN106077393A (en) * 2016-07-29 2016-11-09 宜兴市鑫锤锻压设备有限公司 A kind of high-efficiency air cooling pneumatic hammer
CN106925702A (en) * 2017-04-18 2017-07-07 苏州蓝王机床工具科技有限公司 A kind of pneumatic hammer structure
CN108465763A (en) * 2018-03-22 2018-08-31 南京信息职业技术学院 The automatic cold forging iron pan equipment of pneumatic hammer impact type
CN108555211A (en) * 2018-03-22 2018-09-21 南京信息职业技术学院 Automatic cold forging iron pan equipment
CN108555212A (en) * 2018-03-22 2018-09-21 南京信息职业技术学院 Iron pan cold forging auxiliary device
CN108465763B (en) * 2018-03-22 2019-09-20 南京信息职业技术学院 The automatic cold forging iron pan equipment of pneumatic hammer impact type

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C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130116

Termination date: 20150704