CN112808920A - Improved V-shaped anvil - Google Patents

Improved V-shaped anvil Download PDF

Info

Publication number
CN112808920A
CN112808920A CN202011561635.0A CN202011561635A CN112808920A CN 112808920 A CN112808920 A CN 112808920A CN 202011561635 A CN202011561635 A CN 202011561635A CN 112808920 A CN112808920 A CN 112808920A
Authority
CN
China
Prior art keywords
cylindrical
groove
cuboid
rod
top surface
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.)
Granted
Application number
CN202011561635.0A
Other languages
Chinese (zh)
Other versions
CN112808920B (en
Inventor
李本朋
栾吉哲
董卫彬
崔利民
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.)
AVIC Shangda Super Alloys Co Ltd
Original Assignee
AVIC Shangda Super Alloys 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 AVIC Shangda Super Alloys Co Ltd filed Critical AVIC Shangda Super Alloys Co Ltd
Priority to CN202011561635.0A priority Critical patent/CN112808920B/en
Publication of CN112808920A publication Critical patent/CN112808920A/en
Application granted granted Critical
Publication of CN112808920B publication Critical patent/CN112808920B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00Details of machines for forging, pressing, or hammering
    • B21J13/06Hammers tups; Anvils; Anvil blocks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

The invention discloses an improved V-shaped anvil, which comprises two V-shaped anvil bodies which are symmetrically arranged, wherein a dovetail connecting block is fixed on the top surface of each V-shaped anvil block, a second cylindrical groove is formed in the center of the bottom surface of each V-shaped anvil block, one end of a first spring is connected with the top surface of the second cylindrical groove, the other end of the first spring is connected with a pressure rod, a third cylindrical groove is formed in the top surface of the second cylindrical groove, each V-shaped anvil body comprises two trapezoidal prismatic table anvils, a trapezoidal prismatic table through groove is formed in the top surface of each trapezoidal prismatic table anvil block, each pressure rod comprises a cylindrical rod, a cylindrical bulge is fixed on the top surface of each cylindrical rod, the cylindrical bulge is sleeved with the first spring, two trapezoidal prismatic table side rods are symmetrically fixed on the side edges of the cylindrical rods, elastic pieces are fixed on the side surfaces of the trapezoidal prismatic table through groove, the side surfaces. The invention can improve the defects of the prior art, obviously improves the forging structure of the high-temperature alloy and improves the working efficiency.

Description

Improved V-shaped anvil
Technical Field
The invention belongs to the field of forging, and particularly relates to an improved V-shaped anvil.
Background
The traditional flat anvil drawing is to draw by an upper flat anvil and a lower flat anvil. In the process of forging deformation of the flat anvil forging, a corner part of the forging piece always exists, and the temperature drop of the corner part is relatively large. The whole forging is cooled all the time in the ceaseless square walking process, so that the forging temperature is lower. The temperature of the corner of the forging is lower than the temperature range of dynamic recrystallization, which often causes uneven grain size and large and small grains. Therefore, the flat anvil drawing is not favorable for obtaining uniform and fine-grained high-temperature alloy. The existing V-shaped anvil is thinned in the process of forging the workpiece, so that the V-shaped anvil needs to be replaced, and the working efficiency is influenced.
Disclosure of Invention
The invention aims to provide an improved V-shaped anvil, which can overcome the defects of the prior art, obviously improve the forging structure of high-temperature alloy and improve the working efficiency.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
An improved V-shaped anvil comprises two V-shaped anvil bodies which are symmetrically arranged, wherein two ends of each V-shaped anvil body are sleeved with a cylindrical pin, a V-shaped anvil block is provided with a first cylindrical groove, one end of an elastic cushion is fixed on the top surface of the first cylindrical groove, the other end of the elastic cushion is in compression joint with the top surface of the cylindrical pin, the V-shaped anvil body is in compression joint with the V-shaped anvil block, the top surface of the V-shaped anvil block is fixed with a dovetail connecting block, two side surfaces of the V-shaped anvil block are symmetrically fixed with cylindrical hoisting holes, the center of the bottom surface of the V-shaped anvil block is provided with a second cylindrical groove, one end of a first spring is connected with the top surface of the second cylindrical groove, the other end of the first spring is connected with a pressure lever, the top surface of the second cylindrical groove is provided with a third cylindrical groove, the V-shaped anvil body comprises two trapezoid frustum pyramid anvils, the top surfaces of the trapezoid frustum an, two trapezoidal prism table side rods are symmetrically fixed at the edges of the side surfaces of the cylindrical rods, elastic pieces are fixed at the side surfaces of the through grooves of the trapezoidal prism tables, the side surfaces of the trapezoidal prism table side rods are in compression joint with the elastic pieces, cross pressure rods are movably connected with the top surfaces of the trapezoidal prism table side rods, the side surfaces of the trapezoidal prism table side rods are in compression joint with the elastic pieces, a first cuboid groove is formed in the top surface of each trapezoidal prism table side rod body, one end of a second spring is fixed on the side surface of the first cuboid groove, the other end of the second spring is fixed on a cuboid slider, a triangular pyramid clamping key is arranged on the top surface of the cuboid slider, a mounting hole is formed in the top end of the triangular pyramid clamping key, the cross pressure rods comprise two cuboid rods, the centers of the two cuboid rods are connected through a connecting shaft, a cylindrical block is movably linked with the top surface, the fixed shaft is coupled with the mounting hole.
Preferably, the V-shaped anvil body opening angle is α, α =120 °.
Preferably, the second cylindrical groove comprises a second cylindrical groove body, a second cuboid groove is symmetrically arranged on the side surface of the second cylindrical groove body, a first cuboid key is symmetrically fixed on the side surface of the cylindrical rod, and the first cuboid key is in compression joint with the second cuboid groove.
Preferably, the two rectangular rod side surfaces are connected by a third spring.
Preferably, the rectangular bar has serrations on its bottom surface.
Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: in the process of pressing a workpiece, the shape anvil block compresses the first spring to extrude the pressure lever, the trapezoid prismatic table side lever extrudes the elastic piece to two sides to vertically slide, on one hand, the trapezoid prismatic table side lever body pushes the square sliding block to push the triangular pyramid clamping key to extrude the triangular prism groove in the vertical direction, the cylindrical block rotates and pushes the cross pressure lever in the horizontal direction, meanwhile, as the centers of the two cuboid rods are connected through the connecting shaft, the two cuboid rods extrude the workpiece to the horizontal direction by taking the connecting shaft as the center, and the triangular pyramid clamping key is pushed by the triangular prism groove to drive the square sliding block to compress the second spring, further, the reaction force of the second spring to the square sliding block increases the pressure of the cuboid rods to the horizontal direction of the workpiece, and further, as the pressure of the V-shaped anvil block to compress the first spring increases continuously, the reaction force of the second spring to the square sliding block increases, the work piece receives the pressure of horizontal direction and vertical direction and increases simultaneously, the work piece steps up the back, it is elongated along with the work piece is forged gradually, the work piece attenuate, on the one hand, first spring 7 extrudees the depression bar, and then trapezoidal terrace with edge side lever body extrusion cross depression bar in the vertical direction, it continues to keep pressure at the vertical direction after the work piece attenuate, on the other hand, second spring compression square slider, and then indirect horizontal direction applys pressure to the cross depression bar, under horizontal direction and vertical direction pressure effect, the work piece can further be forged and elongated, thereby avoided changing V-arrangement hammering block body 1, the operating time is saved, and the work efficiency is improved. First cuboid key and the crimping of second cuboid recess have ensured that cylindrical pole smoothly moves and do not take place the wrench movement in second cylindrical groove, have ensured the smooth and easy extrusion to the work piece, have avoided the depression bar to remove the in-process simultaneously and have received the damage. The side surfaces of the two cuboid rods are connected through a third spring, the bottom surface of the cuboid rod is provided with saw-toothed protrusions, and the third spring compresses the cuboid rod, so that the cuboid rod is pushed to drive the saw-toothed protrusions to increase the pressure effect of the cuboid rod on a workpiece.
Drawings
FIG. 1 is a block diagram of one embodiment of the present invention.
Fig. 2 is a structural view after the lower pressing lever in fig. 1 is rotated counterclockwise.
Figure 3 is a block diagram of a second cylindrical well in accordance with one embodiment of the present invention.
Fig. 4 is an enlarged view of the lower trapezoidal anvil of fig. 2.
FIG. 5 is a block diagram of a trapezoidal prism side bar according to an embodiment of the present invention.
Fig. 6 is a structural view of a cross strut in an embodiment of the present invention.
Fig. 7 is a block diagram of a spring in an embodiment of the invention.
In the figure: 1. a V-shaped anvil body; 2. a cylindrical pin; 3. a V-shaped anvil block; 4. a dovetail-shaped connecting block; 5. a second cylindrical trough; 6. a pressure lever; 7. a first spring; 8. a cylindrical hoisting hole; 9. a third cylindrical groove; 21. a first cylindrical trough; 22. a spring pad; 11. a trapezoidal prism anvil; 12. a trapezoidal frustum pyramid through groove; 13. a spring member; 61. a cylindrical rod; 62. a cylindrical protrusion; 63. a first rectangular parallelepiped key; 64. trapezoidal terrace with edge side lever; 65. a cross-shaped compression bar; 51. a second cylindrical trough body; 52. a second cuboid groove; 641. a trapezoidal prismoid side lever body; 642. a second rectangular key; 643. a first cuboid groove; 644. a square slider; 645. triangular pyramid snap keys; 646. a second spring; 647. mounting holes; 651. a rectangular rod; 652. a connecting shaft; 653. a cylindrical block; 654. a third spring; 655. a triangular prism groove; 656. saw-toothed protrusions; 657. a fixed shaft; 131. a spring body; 132. a third cuboid groove; 133. a spring plate; 134. a rectangular rubber pad; 135. an arc-shaped groove; 136. a sphere; 137. an arc-shaped portion.
Detailed Description
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.
Referring to fig. 1-7, an embodiment of the present invention includes two V-shaped anvil bodies 1 arranged symmetrically, the material of the V-shaped anvil bodies is generally better die steel, preferably 5CrNiMo, two ends of the V-shaped anvil body 1 are sleeved with a cylindrical pin 2, the V-shaped anvil block 3 is provided with a first cylindrical groove 21, one end of a spring pad 22 is fixed on the top surface of the first cylindrical groove 21, the other end of the spring pad 22 is pressed against the top surface of the cylindrical pin 2, the V-shaped anvil body 1 is pressed against the V-shaped anvil block 3, the V-shaped anvil block 3 adopts two high temperature alloys, GH4133 or GH4033, the top surface of the V-shaped anvil block 3 is fixed with a dovetail connecting block 4, two side surfaces of the V-shaped anvil block 3 are symmetrically fixed with cylindrical hoisting holes 8, the center of the bottom surface of the V-shaped anvil block 3 is provided with a second cylindrical groove 5, one end of a first spring 7 is connected with the top surface of the second cylindrical groove 5, the other end of the first spring 7 is, the V-shaped anvil body 1 comprises two trapezoid frustum pyramid anvils 11, a trapezoid frustum through groove 12 is arranged on the top surface of the trapezoid frustum pyramid anvil 11, the pressure lever 6 comprises a cylindrical rod 61, a cylindrical protrusion 62 is fixed on the top surface of the cylindrical rod 61, the cylindrical protrusion 62 is sleeved with a first spring 7, two trapezoid frustum side levers 64 are symmetrically fixed on the side edges of the cylindrical rod 61, an elastic piece 13 is fixed on the side surface of the trapezoid frustum through groove 12, the side surface of the trapezoid frustum side lever 64 is in compression joint with the elastic piece 13, a cross pressure lever 65 is movably connected on the top surface of the trapezoid frustum side lever 64, the trapezoid frustum side lever 64 comprises a trapezoid frustum side lever body 641, the side surface of the trapezoid frustum side lever body 641 is in compression joint with the elastic piece 13, a first cuboid groove 643 is arranged on the top surface of the trapezoid frustum side lever body 641, one end of a second spring 646 is fixed on the side surface of, the top surface of the square slider 644 is provided with a triangular pyramid clamping key 645, the top end of the triangular pyramid clamping key 645 is provided with a mounting hole 647, the cross pressing rod 65 comprises two rectangular rods 651, the centers of the two rectangular rods 651 are connected through a connecting shaft 652, the top surface of the rectangular rods 651 is movably linked with a cylindrical block 653, the side surface of the cylindrical block 653 is provided with a triangular prism groove 655, the triangular prism groove 655 is provided with a fixing shaft 657, and the fixing shaft 657 is in shaft connection with the mounting hole 647. In the process of pressing a workpiece, the V-shaped anvil block 3 compresses the first spring 7 to press the pressing rod 6, the trapezoidal frustum side rod 64 presses the elastic piece 13 to two sides, so as to vertically slide, on one hand, the trapezoidal frustum side rod body 641 pushes the square slider 644 and further pushes the triangular pyramid snap key 645 to press the triangular prism groove 655 in the vertical direction, the cylindrical block 653 rotates and pushes the cross pressing rod 65 in the horizontal direction, meanwhile, because the centers of the two rectangular rods 651 are connected through the connecting shaft 652, the two rectangular rods 651 press the workpiece to the horizontal direction by taking the connecting shaft 652 as the center, and the triangular prism groove 655 pushes the triangular pyramid snap key 645, further, the square slider 644 is driven to compress the second spring 646, further, the reaction force of the second spring 646 to the square slider 644 increases the pressure of the rectangular rod 651 to the horizontal direction of the workpiece, further, the pressure is increased continuously as the V-shaped anvil block 3 compresses the first spring 7, the reaction force of the second spring 646 to the square sliding block 644 is increased, the pressure in the horizontal direction and the pressure in the vertical direction on the workpiece are increased simultaneously, after the workpiece is tightened, the workpiece is lengthened along with the gradual forging of the workpiece, the workpiece becomes thin, on one hand, the first spring 7 extrudes the pressing rod 6, further, the cross-shaped pressing rod 65 is extruded by the trapezoid frustum side rod body 641 in the vertical direction, the fact that the workpiece keeps pressure in the vertical direction continuously after being thinned is guaranteed, on the other hand, the second spring 646 compresses the square sliding block 644, further, the pressure is applied to the cross-shaped pressing rod 65 in the horizontal direction in an indirect mode, and under the action of the pressure in the horizontal direction and the pressure in the vertical direction, the workpiece can be further lengthened through forging, therefore, the V-shaped anvil.
In addition, according to the claims, the spring 13 comprises a cuboid spring body 131, a third cuboid groove 132 is formed in the side face of the cuboid spring body 131, one end of a spring sheet 133 is in compression joint with the side face of the third cuboid groove 132, the other end of the spring sheet 133 is in compression joint with the side face of a cuboid rubber pad 134, arc-shaped grooves 135 are symmetrically formed in the top face and the bottom face of the cuboid rubber pad 134, arc-shaped portions 137 are symmetrically formed in the top face and the bottom face of the third cuboid groove 132, a ball 136 is in compression joint with the arc-shaped grooves 135 and the arc-shaped portions 137, a fourth cuboid groove 138 is formed in the side face, far away from the spring sheet 133, of the cuboid rubber pad 134, a second cuboid key 642 is symmetrically fixed to the side face of the. When the trapezoidal prismoid side rod 64 extrudes the elastic piece 13, the trapezoidal prismoid side rod 64 slides along the fourth cuboid groove 138, the trapezoidal prismoid side rod 64 is prevented from twisting, meanwhile, the trapezoidal prismoid side rod 64 extrudes the cuboid rubber pad 134, the cuboid rubber pad 134 extrudes the sphere 136 and moves along the arc portion 137, the accuracy and smoothness of the sliding of the trapezoidal prismoid side rod 64 are guaranteed, meanwhile, the cuboid rubber pad 134 extrudes the elastic piece 133, the trapezoidal prismoid side rod 64 is extruded by the elasticity of the elastic piece 13 on one hand, and more energy is stored when the first spring 7 extrudes the compression rod 6, so that a workpiece is helped to be subjected to larger vertical acting force in the forging and stretching process, and on the other hand, the trapezoidal prismoid side rod 64 slides accurately and smoothly, and the stability of the integral.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. An improved V-shaped anvil comprises two V-shaped anvil bodies (1) which are symmetrically arranged, wherein two ends of each V-shaped anvil body (1) are sleeved with a cylindrical pin (2), a V-shaped anvil block (3) is provided with a first cylindrical groove (21), one end of an elastic cushion (22) is fixed on the top surface of the first cylindrical groove (21), the other end of the elastic cushion (22) is in compression joint with the top surface of the cylindrical pin (2), the V-shaped anvil body (1) is in compression joint with the V-shaped anvil block (3), the top surface of the V-shaped anvil block (3) is fixed with a dovetail connecting block (4), cylindrical hoisting holes (8) are symmetrically fixed on two side surfaces of the V-shaped anvil block (3), a second cylindrical groove (5) is arranged in the center of the bottom surface of the V-shaped anvil block (3), one end of a first spring (7) is connected with the top surface of the second cylindrical groove (5), the other end of the first spring (7) is connected with a compression bar (6), and a third, the method is characterized in that: the V-shaped anvil body (1) comprises two trapezoid prismatic table anvils (11), a trapezoid prismatic table through groove (12) is formed in the top surface of each trapezoid prismatic table anvil (11), the pressing rod (6) comprises a cylindrical rod (61), a cylindrical protrusion (62) is fixed to the top surface of the cylindrical rod (61), the cylindrical protrusion (62) is sleeved with the first spring (7), two trapezoid prismatic table side rods (64) are symmetrically fixed to the side edge of the cylindrical rod (61), an elastic piece (13) is fixed to the side surface of each trapezoid prismatic table through groove (12), the side surface of each trapezoid prismatic table side rod (64) is in compression joint with the elastic piece (13), a cross pressing rod (65) is movably connected to the top surface of each trapezoid prismatic table side rod (64), each trapezoid prismatic table side rod (64) comprises a trapezoid prismatic table side rod body (641), the side surface of each trapezoid prismatic table side rod body (641) is in compression joint with the elastic piece (13), a first cuboid groove (643) is, one end of a second spring (646) is fixed on the side surface of a first cuboid groove (643), the other end of the second spring (646) is fixed on a cuboid slider (644), the top surface of the cuboid slider (644) is provided with a triangular pyramid clamping key (645), the top end of the triangular pyramid clamping key (645) is provided with a mounting hole (647), the cross pressing rod (65) comprises two cuboid rods (651), the centers of the two cuboid rods (651) are connected through a connecting shaft (652), the top surface of the cuboid rod (651) is movably linked with a cylindrical block (653), the side surface of the cylindrical block (653) is provided with a triangular prism groove (655), the triangular prism groove (655) is provided with a fixing shaft (657), and the fixing shaft (657) is in shaft connection with the mounting hole (647).
2. The improved V-anvil of claim 1 wherein: the opening angle of the V-shaped anvil body (1) is alpha, and alpha =120 degrees.
3. The improved V-anvil of claim 1 wherein: the second cylindrical groove (5) comprises a second cylindrical groove body (51), a second cuboid groove (52) is symmetrically arranged on the side surface of the second cylindrical groove body (51), a first cuboid key (63) is symmetrically fixed on the side surface of the cylindrical rod (61), and the first cuboid key (63) is in compression joint with the second cuboid groove (52).
4. The improved V-anvil of claim 1 wherein: the side surfaces of the two rectangular parallelepiped rods (651) are connected through a third spring (654).
5. The improved V-anvil of claim 4 wherein: the bottom surface of the cuboid rod (651) is provided with sawtooth-shaped protrusions (656).
CN202011561635.0A 2020-12-25 2020-12-25 Improved V-shaped anvil Active CN112808920B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011561635.0A CN112808920B (en) 2020-12-25 2020-12-25 Improved V-shaped anvil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011561635.0A CN112808920B (en) 2020-12-25 2020-12-25 Improved V-shaped anvil

Publications (2)

Publication Number Publication Date
CN112808920A true CN112808920A (en) 2021-05-18
CN112808920B CN112808920B (en) 2022-05-24

Family

ID=75853924

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011561635.0A Active CN112808920B (en) 2020-12-25 2020-12-25 Improved V-shaped anvil

Country Status (1)

Country Link
CN (1) CN112808920B (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102029345A (en) * 2009-09-30 2011-04-27 江阴南工锻造有限公司 V-shaped anvil for 2,000T fast forging machine
CN204209048U (en) * 2014-07-17 2015-03-18 青岛华东工程机械有限公司 A kind of V-type groove four tup forging and stamping unit and forging press
CN204413029U (en) * 2015-01-07 2015-06-24 泰安市山口锻压有限公司 A kind of Novel shaft forging rapid molding device
CN206912162U (en) * 2017-06-01 2018-01-23 东南大学 A kind of combined type V-shape anvil that can change beak iron
WO2019146886A1 (en) * 2018-01-25 2019-08-01 고려정밀공업 주식회사 Multi-directional simultaneous forging device
CN210852577U (en) * 2019-08-12 2020-06-26 句容中圣板带科技有限公司 Conveying device for transferring stainless steel coils

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102029345A (en) * 2009-09-30 2011-04-27 江阴南工锻造有限公司 V-shaped anvil for 2,000T fast forging machine
CN204209048U (en) * 2014-07-17 2015-03-18 青岛华东工程机械有限公司 A kind of V-type groove four tup forging and stamping unit and forging press
CN204413029U (en) * 2015-01-07 2015-06-24 泰安市山口锻压有限公司 A kind of Novel shaft forging rapid molding device
CN206912162U (en) * 2017-06-01 2018-01-23 东南大学 A kind of combined type V-shape anvil that can change beak iron
WO2019146886A1 (en) * 2018-01-25 2019-08-01 고려정밀공업 주식회사 Multi-directional simultaneous forging device
CN210852577U (en) * 2019-08-12 2020-06-26 句容中圣板带科技有限公司 Conveying device for transferring stainless steel coils

Also Published As

Publication number Publication date
CN112808920B (en) 2022-05-24

Similar Documents

Publication Publication Date Title
CN103042094B (en) The precision punching method of automobile disk-type braking brake block steel back and fine blanking die thereof
CN104785628B (en) Method for pressing groove profile with bending angle smaller than or equal to 90 degrees
CN111940638A (en) Adjustable general component lead batch forming tool and forming method
CN112808920B (en) Improved V-shaped anvil
CN104550484A (en) Device used for pressing channel sections with bending angle less than or equal to 90 degrees
CN208162440U (en) A kind of cupping tool
CN220127267U (en) Quick bending structure and bending die suitable for symmetrical workpieces
CN201223900Y (en) Eccentric wheel blank pressing apparatus for stamping die
CN211052313U (en) Parting stamping precision die with buffer protection
WO2016155366A1 (en) Method for pressing channel section with bending angle smaller than or equal to 90 degrees
CN216175537U (en) Continuous stamping and bending workbench for single-bin totally-enclosed sheet metal part
CN210146794U (en) Core bending die of dot matrix sandwich structure
CN210369346U (en) Assembled construction is with novel steel member
CN113370106A (en) Quick press fitting locking mechanism
CN219402135U (en) Stamping device of cold header
CN206990879U (en) A kind of optical elements of large caliber torque clamping device
CN212240804U (en) Adjustable spanner
CN216461370U (en) Continuous stamping die
CN217619276U (en) Realize that big packing force in finite space compresses tightly work piece
CN208728600U (en) A kind of damping safety electric hydraulic free hammer
CN212350269U (en) Hardware forging part blank stripping device
CN220361891U (en) Take arc hardware production mould of press bar
CN214161137U (en) A high-efficient stamping die for gasket
CN216881182U (en) Automatic reset type bending die
CN220696667U (en) Top hammer structure of hexahedral top press

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information

Address after: 054800 No.16, Huagong Avenue, Qinghe County, Xingtai City, Hebei Province

Applicant after: AVIC Shangda superalloy materials Co.,Ltd.

Address before: 054800 No.16, Huagong Avenue, Qinghe County, Xingtai City, Hebei Province

Applicant before: AVIC SHANGDA SUPER ALLOYS CO.,LTD.

CB02 Change of applicant information
GR01 Patent grant
GR01 Patent grant