CN107838296B - One-step forming die for hinge type interconnection part and use method of one-step forming die - Google Patents
One-step forming die for hinge type interconnection part and use method of one-step forming die Download PDFInfo
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- CN107838296B CN107838296B CN201711284186.8A CN201711284186A CN107838296B CN 107838296 B CN107838296 B CN 107838296B CN 201711284186 A CN201711284186 A CN 201711284186A CN 107838296 B CN107838296 B CN 107838296B
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005452 bending Methods 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims description 23
- 238000007599 discharging Methods 0.000 claims description 20
- 239000006247 magnetic powder Substances 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 6
- 238000006748 scratching Methods 0.000 abstract description 2
- 230000002393 scratching effect Effects 0.000 abstract description 2
- 238000007667 floating Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a one-step forming die for hinge type interconnection parts and a use method thereof, and belongs to the technical field of dies. The die comprises an upper die assembly, the upper die assembly comprises an upper die, the upper die comprises a first stamping surface, the first stamping surface is formed by sequentially connecting a plurality of sections of arc curved surfaces, and the arc curved surfaces protrude downwards. The first stamping surface of the upper die adopted by the invention is formed by sequentially connecting a plurality of sections of arc curved surfaces, the arc curved surfaces are protruded downwards, the protruded arc curved surfaces are in line contact with the plate blank, downward pressure can be uniformly dispersed on the plate blank in the process of rapidly downwards moving the bending machine, so that shaking errors are effectively counteracted, meanwhile, the arc curved surfaces can effectively avoid scratching the surface of the plate blank, the length precision difference of the short side and the long side of the obtained hinge type interconnection part is 28.60 x 0.51-14.58=0.01 mm, and the proportion of the short side and the long side is within the design requirement range.
Description
Technical Field
The invention belongs to the technical field of molds, and particularly relates to a one-step forming mold for hinge type interconnection parts and a use method thereof.
Background
The hinge type interconnecting part is in a right-angle bending hook shape and is used for clamping between the two parts, and the hinge type interconnecting part is convenient and quick to use, so that the use range of the hinge type interconnecting part is wider, and the use amount of the hinge type interconnecting part gradually rises. In order to ensure safe operation in the high-speed operation process, the hinge type interconnection part used on the motor car is required to have high precision and no scratch on the surface, the traditional production process is casting or forging, and the hot-formed part has better performances, but has high energy consumption and environmental pollution, and the traditional process is developed towards the cold-rolling forming direction.
Searched, patent document 1: chinese patent No. cn201210287040.X discloses a die for 90 degree bending of stamping parts, the die comprising: the upper die comprises a first floating block, a second floating block, a punch slider and a leveling block, the lower die comprises a lower base plate, a first ejector rod and a second ejector rod, a trough matched with the stamping part structure is arranged at the upper end of the punch slider, the punch slider is arranged at the upper end of the first floating block, the lower end of the first floating block is connected with the first ejector rod, the lower end of the second floating block is connected with the second ejector rod, and the lower end of the leveling block is fixed on the lower base plate. The die adopts the second floating block, the punch sliding block and the leveling block to bend the stamping part by 90 degrees in the horizontal direction, and the bending mode can be used for stamping hinge type interconnection parts, but the die needs a plurality of driving mechanisms to drive the second floating block and the leveling block, and can only punch in the vertical direction on a bending machine, so that the stamping in the horizontal direction cannot be realized, and the die is limited in use on the bending machine.
Patent document 2: chinese patent CN201210178181.8 discloses a screen-closing cover die, which comprises an upper die and a lower die corresponding to the upper die, a first station for 45-degree bending of two ends of the screen-closing cover, and a second station for 90-degree bending of two ends of the screen-closing cover after 45-degree bending are further included between the upper die and the lower die. The die is simple in structure and capable of punching double bending, but comprises a first work station and a second work station, split type is arranged between the two work stations, and when the die is used, a plate blank is required to be transferred from the first work station to the second work station, time and labor are wasted, and working efficiency is low.
Disclosure of Invention
1. Problems to be solved
The present hinge type interconnection part includes a short side, a bottom side and a long side, the length of the short side is defined as L 1, the length of the bottom side is L 2, the length of the long side is L 3, then L 1＝0.51L3 ±0.02mm, the surface is free from scratch, the length precision of the short side and the long side is determined, the corresponding processing difficulty is increased, considering that the control precision of the bending machine is high, the mold of patent document 1 can not be used by the bending machine any more, the ratio of the short side and the long side can not be controlled when the mold of patent document 2 processes the hinge type interconnection part, the present invention aims to provide a one-step forming mold for the hinge type interconnection part, the ratio of the short side and the long side is in the design requirement range, and meanwhile, the surface of the hinge type interconnection part is free from scratch, so that the hinge type interconnection part can be safely used in an acidic environment.
2. Technical proposal
In order to solve the problems, the technical scheme adopted by the invention is as follows:
the one-step forming die for the hinge type interconnection part comprises an upper die assembly, wherein the upper die assembly comprises an upper die, the upper die comprises a first stamping surface, the first stamping surface is formed by sequentially connecting a plurality of sections of arc curved surfaces, and the arc curved surfaces protrude downwards.
In one possible embodiment of the present invention, the upper mold further includes a first vertical surface, a second vertical surface, and a first horizontal surface, wherein the first vertical surface is parallel to the second vertical surface, the first stamping surface, the second vertical surface, and the first horizontal surface are sequentially connected, and the first horizontal surface and the second vertical surface are joined to form a 90 degree right angle.
In one possible implementation mode of the invention, the die further comprises a lower die assembly, the lower die assembly comprises a lower die and a discharging mechanism matched with the lower die, the lower die is provided with a cavity, a long notch is arranged above the cavity, a spring groove is arranged below the cavity, the width of the long notch is equal to the bottom edge of the hinge type interconnecting part, the discharging mechanism is movably fixed in the cavity, and the head of the discharging mechanism penetrates into the long notch.
In one possible embodiment of the present invention, the unloading mechanism includes an unloading block, an ejection spring and a fixing bolt, wherein the ejection spring is sleeved on the fixing bolt, one end of the ejection spring is placed in the spring groove, the other end of the ejection spring is abutted against the lower end face of the unloading block, and the sum of the height of the unloading block and the short side L 1 is equal to the sum of the height of the cavity and the height of the long notch.
In one possible embodiment of the present invention, the lower die assembly further includes a base, the base is fixed to the lower die by bolts, and the base is fixed to a working platform of the bending machine.
In one possible embodiment of the present invention, the radii of the several curved arc surfaces are the same.
In a possible implementation manner of the invention, the connection parts of the plurality of sections of circular arc curved surfaces are filled with magnetic powder particles with the granularity of 30-50 microns.
In one possible implementation manner of the invention, the upper edge of the long notch is an arc surface, and the radius of the arc surface is 1.5mm.
The application method of the one-step forming die for the hinge type interconnection part comprises the following steps:
step S101, assembling a lower die, a discharging mechanism and a base of a lower die assembly, and checking to ensure that all parts are reliably connected;
step S102, placing the lower die assembly on a workbench of a bending machine, and fixing the lower die assembly through bolts;
Step S103, hoisting the upper die assembly onto the lower die assembly, and adjusting the position of the upper die assembly to enable the first stamping surface of the upper die to be tightly matched with the long groove of the lower die;
Step S104, after the upper die assembly is pressed down by the slider of the bending machine, the upper die assembly is fixed on the slider of the bending machine through bolts, and the slider drives the upper die assembly to move up and down for 2-3 times, so that the matching position of the upper die and the lower die is ensured to be accurate;
S105, placing a plate blank made of stainless steel and with the thickness of 0.8-1.2mm on the upper end surface of the lower die, and adjusting and stamping;
S106, the upper die rapidly descends under the action of the driving force of the bending machine, and the upper die is stamped and kept for 10-15S;
step S107, driving an upper die to quickly retract by a bending machine, ejecting a part by a discharging block of a discharging mechanism, and taking down the part;
Step S108, heating the component to 400-420 ℃, eliminating micro-deformation and bending stress of the arc curved surface pressing on one hand, demagnetizing magnetic powder particles at the temperature on the other hand, facilitating cleaning of the surface of the component, and cooling to room temperature.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) The first stamping surface of the upper die is formed by sequentially connecting a plurality of sections of arc curved surfaces, the arc curved surfaces are protruded downwards, the protruded arc curved surfaces and the plate blank form multi-point line contact, downward pressure can be uniformly dispersed on the plate blank in the process of rapidly downwards moving the bending machine, so that shaking errors are effectively counteracted, meanwhile, the arc curved surfaces can effectively avoid scratching the surface of the plate blank, the hinge type interconnection part is formed with high precision, the length of the short side of the obtained hinge type interconnection part is 14.58mm, the length of the long side is 28.60mm, the precision difference of the two is 28.60 x 0.51-14.58=0.01 mm, and the proportion of the short side and the long side is in the design requirement range;
(2) The first vertical surface and the second vertical surface of the upper die are parallel, the first vertical surface, the first stamping surface, the second vertical surface and the first horizontal surface are sequentially connected, the first horizontal surface and the second vertical surface are connected to form a 90-degree right angle, and the hinge type interconnection part one-time forming die is simple in structure, so that the stress of the upper die is uniform, and frequent breakage of the upper die is avoided;
(3) The hinge type interconnection part one-step forming die disclosed by the invention has the advantages that the lower die is matched with the discharging mechanism for use, the formed part is mainly considered to be clamped in the lower die, the short side and the long side are contacted with the long slot, the part is taken out without a gap, and the discharging mechanism can rapidly eject the part, so that the hinge type interconnection part one-step forming die is convenient and quick to use;
(4) According to the one-step forming die for the hinge type interconnection part, the radiuses of the sections of arc curved surfaces of the first stamping surface are the same, so that the pressures are uniformly dispersed, the deformation of the surface of a plate blank is approximately the same, and the possibility of scratch is further avoided;
(5) According to the one-step forming die for the hinge type interconnection part, a small amount of magnetic powder particles are filled in the joint of the arc curved surfaces, so that the friction force between the two is increased, the magnetic powder particles play a role of a buffer pad, the abrasion of the arc curved surfaces can be reduced, and the slipping phenomenon between the upper die and the plate blank is not easy to occur; in actual mass production, the surface of the slab tends to be scratched to different degrees due to sliding friction of the mold, so that the amount of the magnetic powder particles should not be excessive, and the surface of the slab obtained by the invention is basically free from scratch.
(6) The invention has simple structure, reasonable design and easy manufacture.
Drawings
The technical solution of the present invention will be described in further detail below with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for the purpose of illustration only and thus are not limiting the scope of the present invention. Moreover, unless specifically indicated otherwise, the drawings are intended to conceptually illustrate the structural configurations described herein and are not necessarily drawn to scale.
FIG. 1 is a schematic view of a prior art hinge-type interconnect assembly;
FIG. 2 is a schematic view of a one-step molding die for hinge-type interconnecting members according to the present invention;
FIG. 3 is a schematic view of the structure of an upper die assembly of the one-shot forming die for hinge-type interconnecting members of the present invention;
FIG. 4 is a schematic view of a first stamping surface of a one-shot forming die for a hinge-type interconnecting member in accordance with the present invention;
FIG. 5 is a schematic view of the lower die assembly of the one-shot forming die for hinge-type interconnecting members of the present invention;
Fig. 6 is a side view of fig. 5.
The figure indicates:
1. An upper die assembly; 110. an upper die; 120. a first vertical surface, 130, a first stamping surface; 140. a second vertical surface; 150. a first horizontal plane;
2. a lower die assembly; 210. a lower die; 211. a cavity; 212. a long notch; 213. a spring groove; 220. a discharging mechanism; 221. a discharge block; 222. an ejector spring; 223. a fixing bolt; 230. and (5) a base.
Detailed Description
The following detailed description of exemplary embodiments of the invention refers to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration exemplary embodiments in which the invention may be practiced. While these exemplary embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, it is to be understood that other embodiments may be realized and that various changes to the invention may be made without departing from the spirit and scope of the invention. The following more detailed description of the embodiments of the invention is not intended to limit the scope of the invention, as claimed, but is merely illustrative and not limiting of the invention's features and characteristics in order to set forth the best mode of carrying out the invention and to sufficiently enable those skilled in the art to practice the invention. Accordingly, the scope of the invention is limited only by the attached claims.
The following detailed description and example embodiments of the invention may be better understood when read in conjunction with the accompanying drawings, in which elements and features of the invention are identified by reference numerals.
Example 1
Referring to fig. 1 to 6, the one-step forming mold for hinge-type interconnection components of the present embodiment includes an upper mold assembly 1 and a lower mold assembly 2, wherein the upper mold assembly 1 includes an upper mold 110, the upper mold 110 includes a first stamping surface 130, a first vertical surface 120, a second vertical surface 140 and a first horizontal surface 150, wherein the first vertical surface 120 is parallel to the second vertical surface 140, and the first vertical surface 120, the first stamping surface 130, the second vertical surface 140 and the first horizontal surface 150 are sequentially connected, and the first horizontal surface 150 is joined to the second vertical surface 140 to form a 90-degree right angle.
The hinge type interconnection component used at present comprises a short side, a bottom side and a long side, wherein the length of the short side is L 1, the length of the bottom side is L 2, the length of the long side is L 3, the requirement of use can be met only by L 1＝0.51L3 +/-0.02 mm, and in addition, the surface of the component is free from scratch. Then the factor affecting the length ratio of the short side to the long side is analyzed mainly by the slip phenomenon between the upper die 110 and the slab, and the scratch is mainly caused by friction between the upper die 110 and the slab, and the difficulty of processing the part is increased. The inventor performs a great deal of tests and analyses, designs the first stamping surface 130 to be formed by sequentially connecting a plurality of sections of arc curved surfaces, the arc curved surfaces are protruded downwards, the protruded arc curved surfaces form multiple line contacts with the slab, the upper die 110 and the slab are not easy to slip, downward pressure can be uniformly dispersed on the slab in the process of rapidly moving downwards of the bending machine, so that shaking errors caused by actions of the unloading mechanism 220 are effectively counteracted, meanwhile, the arc curved surfaces can effectively avoid scratches on the surface of the slab, the hinge type interconnection part is formed with high precision, the length of the short side of the obtained hinge type interconnection part is 14.58mm, the length of the long side is 28.60mm, the precision difference of the short side and the long side is 28.60 x 0.51-14.58=0.01 mm, and the proportion of the short side and the long side is within the design requirement range.
According to patent document 3: CN201410789099.8 discloses a bending machine, which uses a bending lower die 210 to manufacture hinge type interconnection components, the qualification rate of products is only 90%, while the qualification rate of products in this embodiment is more than 95%.
As shown in fig. 4, the radii of the several arc curved surfaces are the same, and the radii of the several arc curved surfaces of the first stamping surface 130 are the same, so as to uniformly disperse the pressure, so that the deformation of the slab surface is approximately the same, and further avoid the possibility of scratch.
In addition, the connection parts of the arc curved surfaces are filled with magnetic powder particles with granularity of 30-50 microns, so that the magnetic powder particles not only increase the friction force between the two, but also play a role of a buffer pad, the abrasion of the arc curved surfaces can be reduced, and the slipping phenomenon between the upper die 110 and the plate blank is not easy to occur; in actual mass production, the surface of the slab tends to be scratched to different degrees due to sliding friction of the mold, so that the amount of the magnetic powder particles should not be excessive, and the surface of the slab obtained in this example is substantially free from scratches.
The lower die assembly 2 of the die comprises a lower die 210 and a discharging mechanism 220 matched with the lower die 210, wherein the lower die 210 is provided with a cavity 211, a long notch 212 is arranged above the cavity 211, a spring groove 213 is arranged below the cavity, the width of the long notch 212 is equal to the bottom edge of a hinge type interconnection part, the discharging mechanism 220 is movably fixed in the cavity 211, the head of the discharging mechanism 220 penetrates into the long notch 212, the upper edge of the long notch 212 is an arc surface, and the radius of the arc surface is 1.5mm.
In fig. 5 and 6, it can be seen that the unloading mechanism 220 includes an unloading block 221, an ejection spring 222 and a fixing bolt 223, wherein the ejection spring 222 is sleeved on the fixing bolt 223, one end of the ejection spring 222 is disposed in the spring groove 213, the other end of the ejection spring abuts against the lower end surface of the unloading block 221, and the sum of the height of the unloading block 221 and the short side L 1 is equal to the sum of the height of the cavity 211 and the height of the long slot 212.
In order to facilitate the installation of the lower die assembly 2, the lower die assembly 2 further includes a base 230, the base 230 is fixed to the lower die 210 by bolts, and the base 230 may be fixed to a working platform of the bending machine.
Example 2
The application method of the one-step forming die for the hinge type interconnection part of the embodiment comprises the following specific steps:
Step S101, assembling the lower die 210, the unloading mechanism 220 and the base 230 of the lower die assembly 2, and checking to ensure that the connection of all parts is reliable;
Step S102, placing the lower die assembly 2 on a workbench of a bending machine, and fixing the lower die assembly 2 through bolts;
Step S103, hoisting the upper die assembly 1 to the lower die assembly 2, adjusting the position of the upper die assembly 1 to enable the first stamping surface 130 of the upper die 110 to be tightly matched with the long slot 212 of the lower die 210, and then coating magnetic powder particles on the first stamping surface 130, wherein the magnetic powder particles all fall into the joint;
Step S104, after the upper die assembly 1 is pressed down by the slider of the bending machine, the upper die assembly 1 is fixed on the slider of the bending machine through bolts, and the slider drives the upper die assembly 1 to move up and down for 2-3 times, so that the matching position of the upper die 110 and the lower die 210 is ensured to be accurate;
step S105, placing a plate blank made of stainless steel and with the thickness of 1.0mm on the upper end surface of the lower die 210, and adjusting and stamping;
Step S106, the upper die 110 rapidly descends under the action of the driving force of a bending machine, and the upper die 110 is stamped and kept for 10-15S;
step S107, the bending machine drives the upper die 110 to quickly retract, a discharging block 221 of the discharging mechanism 220 ejects the component, and the component is taken down;
Step S108, heating the component to 400-420 ℃, eliminating micro-deformation and bending stress of the arc curved surface pressing on one hand, demagnetizing magnetic powder particles at the temperature on the other hand, facilitating cleaning of the surface of the component, and cooling to room temperature.
Claims (5)
1. The one-step forming die for the hinge type interconnection part comprises an upper die assembly (1), wherein the upper die assembly (1) comprises an upper die (110), and the upper die (110) comprises a first stamping surface (130), and is characterized in that the first stamping surface (130) is formed by sequentially connecting a plurality of sections of arc curved surfaces, and the arc curved surfaces protrude downwards;
The upper die (110) further comprises a first vertical surface (120), a second vertical surface (140) and a first horizontal surface (150), wherein the first vertical surface (120) is parallel to the second vertical surface (140), the first vertical surface (120), the first stamping surface (130), the second vertical surface (140) and the first horizontal surface (150) are sequentially connected, and the first horizontal surface (150) is connected with the second vertical surface (140) to form a 90-degree right angle;
the die further comprises a lower die assembly (2), the lower die assembly (2) comprises a lower die (210) and a discharging mechanism (220) matched with the lower die (210), the lower die (210) is provided with a cavity (211), a long notch (212) is arranged above the cavity (211), a spring groove (213) is arranged below the cavity, the width of the long notch (212) is equal to the bottom edge of the hinge type interconnecting part, the discharging mechanism (220) is movably fixed in the cavity (211), and the head of the discharging mechanism (220) stretches into the long notch (212);
the radiuses of the plurality of sections of arc curved surfaces are the same;
The joints of the arc curved surfaces are filled with magnetic powder particles with granularity of 30-50 microns.
2. The one-step forming die for hinge type interconnection parts according to claim 1, wherein the unloading mechanism (220) comprises an unloading block (221), an ejection spring (222) and a fixing bolt (223), the ejection spring (222) is sleeved on the fixing bolt (223), one end of the ejection spring (222) is arranged in the spring groove (213), the other end of the ejection spring abuts against the lower end face of the unloading block (221), and the sum of the height of the unloading block (221) and the short side L 1 of the hinge type interconnection part is equal to the sum of the height of the cavity (211) and the height of the long slot (212).
3. The one-shot forming mold for hinge type interconnection members according to claim 2, wherein the lower mold assembly (2) further comprises a base (230), the base (230) is fixed to the lower mold (210) by bolts, and the base (230) is fixed to a working platform of the bending machine.
4. A one-time molding die for hinge type interconnection members as claimed in claim 3, wherein the upper edge of the elongated slot (212) is an arc surface, and the radius of the arc surface is 1.5 mm.
5. A method of using the one-shot forming mold for hinge type interconnection members as claimed in claim 4, comprising the steps of:
Step S101, assembling a lower die (210), a discharging mechanism (220) and a base (230) of a lower die assembly (2), and checking to ensure that all parts are reliably connected;
Step S102, placing the lower die assembly (2) on a workbench of a bending machine, and fixing the lower die assembly (2) through bolts;
Step S103, hoisting the upper die assembly (1) onto the lower die assembly (2), and adjusting the position of the upper die assembly (1) to enable the first stamping surface (130) of the upper die (110) to be tightly matched with the long slot (212) of the lower die (210);
Step S104, after the upper die assembly (1) is pressed down by the slider of the bending machine, the upper die assembly (1) is fixed on the slider of the bending machine through bolts, and the slider drives the upper die assembly (1) to move up and down for 2-3 times, so that the matching position of the upper die (110) and the lower die (210) is ensured to be accurate;
Step S105, placing a plate blank made of stainless steel and with the thickness of 0.8-1.2 mm on the upper end surface of a lower die (210), and adjusting and stamping;
step S106, the upper die (110) rapidly descends under the action of the driving force of a bending machine, and the upper die (110) is stamped and kept at 10-15S;
s107, driving an upper die (110) to quickly retract by a bending machine, ejecting the component by a discharging block (221) of a discharging mechanism (220), and taking down the component;
step S108, heating the component to 400-420 ℃, and then cooling to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711284186.8A CN107838296B (en) | 2017-12-07 | 2017-12-07 | One-step forming die for hinge type interconnection part and use method of one-step forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711284186.8A CN107838296B (en) | 2017-12-07 | 2017-12-07 | One-step forming die for hinge type interconnection part and use method of one-step forming die |
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| Publication Number | Publication Date |
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| CN107838296A CN107838296A (en) | 2018-03-27 |
| CN107838296B true CN107838296B (en) | 2024-04-26 |
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| CN201711284186.8A Active CN107838296B (en) | 2017-12-07 | 2017-12-07 | One-step forming die for hinge type interconnection part and use method of one-step forming die |
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| CN114289577A (en) * | 2021-12-31 | 2022-04-08 | 安徽力源数控刃模具制造有限公司 | Multi-edge-angle automatic forming die and using method thereof |
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2017
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| CN204308054U (en) * | 2014-12-18 | 2015-05-06 | 安徽力源数控刃模具制造有限公司 | A kind of bender bending lower die tool |
| CN105251884A (en) * | 2015-11-16 | 2016-01-20 | 安徽省凌锋冶金机械有限公司 | Floor heating pipeline duct forming combination die and floor heating pipeline duct forming method |
| CN205660024U (en) * | 2016-05-31 | 2016-10-26 | 平湖爱驰威汽车零部件有限公司 | A punching machine for producing automobile parts |
| CN106513512A (en) * | 2016-11-30 | 2017-03-22 | 安徽力源数控刃模具制造有限公司 | One-time forming mould for safe case sideboard and using and machining methods thereof |
| CN106734497A (en) * | 2017-02-24 | 2017-05-31 | 中国重型机械研究院股份公司 | A kind of automatic following balances pressure endless drive and application process |
| CN207508114U (en) * | 2017-12-07 | 2018-06-19 | 安徽力源数控刃模具制造有限公司 | A kind of hinge-type interconnects component one-time-shaped mould |
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| CN107838296A (en) | 2018-03-27 |
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