CN111346975A - Internal stay forming die for stainless steel pipe machining - Google Patents
Internal stay forming die for stainless steel pipe machining Download PDFInfo
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- CN111346975A CN111346975A CN202010284568.6A CN202010284568A CN111346975A CN 111346975 A CN111346975 A CN 111346975A CN 202010284568 A CN202010284568 A CN 202010284568A CN 111346975 A CN111346975 A CN 111346975A
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- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 38
- 239000010935 stainless steel Substances 0.000 title claims abstract description 38
- 238000003754 machining Methods 0.000 title claims description 3
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 238000004080 punching Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims description 19
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000009471 action Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000003825 pressing Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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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- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention discloses an inner support forming die for stainless steel pipe processing, which comprises an upper die mechanism and a lower die mechanism, wherein the upper die mechanism is connected with the movable end of a hydraulic machine, the lower die mechanism is arranged below the upper die mechanism, and the upper die mechanism comprises: the upper die connecting mechanism is arranged at the movable end of the hydraulic press, a straight pipe is placed in a female die, the inner diameter of the straight pipe is supported by the lower die supporting structure, the male die and the female die in the upper die mechanism are controlled to be closed, the punching structure is controlled by the die oil cylinder, the upper end of the straight pipe in the die is punched, the straight pipe deforms under the action of pressure, the pipe wall is attached to the inner wall of the male die and the inner wall of the female die, and therefore one end of the stainless steel pipe forms a hump type arc structure.
Description
Technical Field
The invention relates to the technical field of stainless steel pipe processing, in particular to an inner support forming die for stainless steel pipe processing.
Background
The existing mature technology for products with high requirements on the surface profile of pipe fittings is generally manufactured by an internal high-pressure process, which is also called hydraulic forming or hydraulic forming, and the internal high-pressure forming process is a material forming process for forming hollow parts by controlling internal pressure and material flow by using liquid as a forming medium. For parts with curved axes, the pipe blank needs to be pre-bent to be close to the shape of the part and then is pressed to be formed, the member formed by internal high pressure has light weight, good product quality, flexible product design and simple process, and simultaneously has the characteristics of near-net forming, green manufacturing and the like, thereby being widely applied to the field of light weight of automobiles. Through effective cross section design and wall thickness design, many automobile parts can all be made into the single integral component of complicated structure with standard tubular product through interior high pressure forming. The method is obviously superior to the traditional stamping and welding mode in the aspects of product quality, production process simplicity and the like, but the existing internal high-voltage equipment is high in cost and large in project expense proportion, and compared with a common hydraulic press, the internal high-voltage equipment is long in beat, high in operation difficulty, high in spare part cost and long in period, and influences product delivery.
Disclosure of Invention
The invention aims to solve the problems, designs an inner support forming die for processing stainless steel pipes, and solves the problems that in the prior art, inner high-pressure equipment is high in cost and large in occupied project expense proportion, compared with a common hydraulic press, the inner high-pressure equipment is long in beat length and high in operation difficulty, spare parts of the inner high-pressure equipment are high in cost and long in period, and product delivery is influenced.
The technical scheme of the invention for realizing the aim is as follows: the utility model provides a nonrust steel pipe processing is with interior forming die that props, includes upper die mechanism and lower die mechanism, upper die mechanism is connected with the expansion end of hydraulic press, lower die mechanism installs in upper die mechanism's below, upper die mechanism includes: go up mould connection structure, mould hydro-cylinder, stamping structure and terrace die, it sets up to go up mould connection structure on the activity of hydraulic press is served, the mould hydro-cylinder install go up in the mould connection structure, stamping structure install in the activity of mould hydro-cylinder is served, the terrace die install in go up on the lower extreme of mould connection structure, stamping structure with the internal diameter phase-match of terrace die, lower mould mechanism includes: the lower die supporting structure is arranged below the male die, the female die is arranged on the lower die supporting structure, and the female die is positioned right below the male die.
Go up mould connection structure includes: the upper die comprises two upper base plates, an upper pressure plate, two limiting plates and an upper die connecting assembly;
the two upper backing plates are all arranged on the movable end of the hydraulic press, the two upper backing plates are respectively positioned on two sides of the die oil cylinder, the upper pressing plate is fixedly sleeved on the die oil cylinder, the upper pressing plate is fixedly connected with the lower ends of the two upper backing plates, the two limiting plates are arranged on the lower ends of the upper pressing plate, the two limiting plates are respectively positioned on two sides of the stamping structure, and the upper die connecting assembly is arranged on the two lower ends of the limiting plates.
Go up mould coupling assembling and include: an upper template and a male die backing plate;
the upper die plate is fixedly arranged on the lower ends of the two limiting plates, the male die base plate is arranged on the lower end of the upper die plate and connected with the male die, circular through holes are formed in the center positions of the upper die plate and the male die base plate, and the size of each circular through hole is matched with that of the corresponding stamping structure.
The stamping structure includes: the connecting seat, the limiting seat and the stamping head;
the connecting seat is fixedly arranged on the movable end of the die oil cylinder, the limiting seat is arranged on the lower end of the connecting seat, one end of the stamping head is fixedly arranged on the connecting seat, and the other end of the stamping head is movably inserted into the circular through hole in the central position of the upper die plate and the convex die base plate.
The lower die support structure includes: the two cushion blocks, the lower die supporting component, the supporting plate and the push head;
the two cushion blocks are arranged below the upper die mechanism, the lower die supporting assembly is arranged on the two cushion blocks, the supporting plate is arranged between the two cushion blocks, the pushing head is arranged on the cushion blocks, and the upper end of the pushing head penetrates through the lower die supporting assembly and extends into the concave die.
The lower die support assembly includes: a lower die plate and a female die base plate;
the lower template is arranged on the two cushion blocks, the female die base plate is arranged on the lower template, circular holes are formed in the center positions of the lower template and the female die base plate, and the size of each circular hole is matched with that of the corresponding push head.
The upper die plate is provided with two limiting guide pillars, the limiting guide pillars are provided with limiting rings, the lower die plate is provided with two limiting through holes, and the sizes of the two limiting through holes are matched with the sizes of the two limiting guide pillars.
The male die is of a stainless steel annular structure, and a first special-shaped curved surface is reserved on the inner side wall surface of the lower end of the male die in the circumferential direction.
The die is of a stainless steel annular structure, a second special-shaped curved surface is reserved on the inner side wall surface of the lower end of the die in the circumferential direction, and the second special-shaped curved surface is matched with the first special-shaped curved surface.
And a reinforcing seat is arranged between the connecting seat and the limiting seat and is fixedly connected with the connecting seat and the limiting seat respectively.
The internal support forming die for processing the stainless steel pipe, which is manufactured by the technical scheme of the invention, has the advantages that the lower die supporting structure is arranged at the lower end of the female die, the inner part of the female die is supported by the lower die supporting structure, the straight pipe fitting is placed in the female die, the inner diameter of the straight pipe fitting is supported by the lower die supporting structure, the male die and the female die in the upper die mechanism are controlled to be closed, the stamping structure is controlled by the die oil cylinder, the upper end of the straight pipe fitting in the die is stamped, the straight pipe fitting is deformed under the action of pressure, the pipe wall is attached to the inner wall of the male die and the inner wall of the female die, and thus, one end of the stainless steel pipe fitting forms a hump type arc structure, the internal support forming die is suitable for products with high requirements on the surface profile degree of the pipe fitting, the forming efficiency is high, the cost is low, the occupied project expense proportion is large, the beat length and the operation difficulty of the internal high-voltage equipment are high compared with the common hydraulic machine, the spare part cost of the internal high-voltage equipment is high, the period is long, and the product delivery is influenced.
Drawings
Fig. 1 is a schematic structural view of an internal stay forming die for processing a stainless steel pipe according to the present invention.
FIG. 2 is a schematic side view of the inner support forming die for stainless steel pipe processing according to the present invention.
Fig. 3 is a schematic top view of the inner support forming die for processing a stainless steel pipe according to the present invention.
FIG. 4 is a schematic sectional view of the A-A position of the inner support forming die for processing stainless steel pipes according to the present invention.
FIG. 5 is a schematic cross-sectional view of the B-B position of the inner support forming die for processing stainless steel pipes according to the present invention.
FIG. 6 is a schematic sectional view of the inner support forming die for processing stainless steel pipes according to the present invention.
Fig. 7 is a schematic structural diagram of a product processed by the internal support forming die for processing the stainless steel pipe.
In the figure: 1-a mould oil cylinder; 2-a male die; 3-a female die; 4, arranging a base plate; 5, an upper pressing plate; 6-a limiting plate; 7-upper template; 8-a male die backing plate; 9-a connecting seat; 10-a limiting seat; 11-a punch; 12-cushion blocks; 13-a pallet; 14-pushing the head; 15-a lower template; 16-a die backing plate; 17-a limiting guide post; 18-a stop collar; 19-reinforcing seat.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings, and as shown in fig. 1 to 7, an inner support forming die for stainless steel pipe processing includes an upper die mechanism and a lower die mechanism, the upper die mechanism is connected to a movable end of a hydraulic press, the lower die mechanism is disposed below the upper die mechanism, and the upper die mechanism includes: go up mould connection structure, mould hydro-cylinder 1, stamping structure and terrace die 2, it sets up to go up mould connection structure on the activity end of hydraulic press, mould hydro-cylinder 1 install in go up in the mould connection structure, stamping structure install in the activity of mould hydro-cylinder 1 is served, terrace die 2 install in go up on the lower extreme of mould connection structure, stamping structure with the internal diameter phase-match of terrace die 2, lower mould mechanism includes: lower mould bearing structure and die 3, lower mould bearing structure install in 2 below terrace dies, die 3 install in on the lower mould bearing structure, die 3 is located under 2 terrace dies, go up mould connection structure and include: two upper padding plates 4, top board 5, two limiting plates 6 and go up mould coupling assembling, two upper padding plates 4 all install in the activity of hydraulic press is served, and two upper padding plates 4 are located respectively 1 both sides of mould hydro-cylinder, 5 fixed suit in of top board in 1 on the mould hydro-cylinder, just top board 5 and two the lower extreme fixed connection of upper padding plate 4, two limiting plates 6 are installed and are all installed on the lower extreme of upper padding plate 5, and two limiting plates 6 are located respectively the stamping structure both sides, it installs in two to go up mould coupling assembling on the lower extreme of limiting plate 6, it includes to go up mould coupling assembling: upper die plate 7 and terrace die backing plate 8, upper die plate 7 is fixed install in two on the lower extreme of limiting plate 6, terrace die backing plate 8 install in on the lower extreme of upper die plate 7, just terrace die backing plate 8 with terrace die 2 is connected, circular through-hole has all been seted up to upper die plate 7 and terrace die backing plate 8 central point, the size of circular through-hole with stamping structure's size phase-match, stamping structure includes: connecting seat 9, spacing seat 10 and punching press head 11, connecting seat 9 fixed install in on the activity end of mould hydro-cylinder 1, spacing seat 10 install in on the lower extreme of connecting seat 9, 11 one ends of punching press are fixed to be installed on connecting seat 9, the other end activity cartridge of punching press head 11 in the circular through-hole of cope match- plate pattern 7 and 8 central points of terrace die backing plate put, lower mould bearing structure includes: two cushion 12, lower mould supporting component, layer board 13 and pusher 14, two cushion 12 all install in go up the mold mechanism below, lower mould supporting component install on two cushion 12, layer board 13 install in two between the cushion 12, pusher 14 install in on the cushion 12, the upper end of pusher 14 run through in lower mould supporting component just the upper end of pusher 14 stretches into in the die 3, lower mould supporting component includes: the lower die plate 15 is arranged on the two cushion blocks 12, the female die plate 16 is arranged on the lower die plate 15, the central positions of the lower die plate 15 and the female die plate 16 are both provided with circular holes, the size of each circular hole is matched with the size of the push head 14, the upper die plate 7 is provided with two limiting guide pillars 17, each limiting guide pillar 17 is provided with a limiting ring 18, the lower die plate 15 is provided with two limiting through holes, the size of each limiting through hole is matched with the size of each limiting guide pillar 17, the male die 2 is of a stainless steel annular structure, the inner side wall surface of the lower end of the male die 2 is provided with a first special-shaped curved surface in the circumferential direction, the female die 3 is of a stainless steel annular structure, and the inner side wall surface of the lower end of the female die 3 is provided with a second special-shaped curved surface in the circumferential direction, the second special-shaped curved surface is matched with the first special-shaped curved surface, a reinforcing seat 19 is arranged between the connecting seat 9 and the limiting seat 10, and the reinforcing seat 19 is fixedly connected with the connecting seat 9 and the limiting seat 10 respectively.
The characteristics of this embodiment do, including upper die mechanism and lower die mechanism, 16 upper die mechanisms of die backing plate are connected with the expansion end of hydraulic press, and 16 lower die mechanisms of die backing plate are installed in 16 upper die mechanisms of die backing plate's below, and 16 upper die mechanisms of die backing plate include: go up mould connection structure, mould hydro-cylinder 1, stamping structure and terrace die 2, 16 mould connection mechanism of die backing plate ann is served in the activity of 16 hydraulic presses of die backing plate, 16 mould hydro-cylinders 1 of die backing plate install in 16 mould connection structure on the die backing plate, 16 stamping structure of die backing plate ann is served in the activity of 16 mould hydro-cylinders 1 of die backing plate, 16 terrace die 2 of die backing plate install on 16 mould connection structure's of die backing plate the lower extreme, 16 stamping structure of die backing plate and 16 terrace die 2's of die backing plate internal diameter phase-match, 16 lower mould mechanism of die backing plate includes: the lower die supporting structure is arranged below the convex die 2 of the concave die base plate 16, the concave die 3 of the concave die base plate 16 is arranged on the lower die supporting structure of the concave die base plate 16, and the concave die 3 of the concave die base plate 16 is positioned right below the convex die 2 of the concave die base plate 16; the inner support forming die for processing the stainless steel pipe is characterized in that a lower die supporting structure is arranged at the lower end of a female die, the inner part of the female die is supported by the lower die supporting structure, a straight pipe fitting is placed in the female die, the inner diameter of the straight pipe fitting is supported by the lower die supporting structure, a male die and the female die in an upper die mechanism are controlled to be closed, a stamping structure is controlled by a die oil cylinder, the upper end of the straight pipe fitting in the die is stamped, the straight pipe fitting is deformed under the action of pressure, the pipe wall is attached to the inner wall of the male die and the inner wall of the female die, one end of the stainless steel pipe fitting forms a hump type arc structure, the inner support forming die is suitable for products with high requirements on the surface profile degree of the pipe fitting, the forming efficiency is high, the cost is low, the forming effect is good, the production cost is low, the beat is, compared with a common hydraulic machine, the internal high-pressure equipment has the problems of long beat length, high operation difficulty, high spare part cost and long period of the internal high-pressure equipment and influences product delivery.
All the electrical components in the present application are connected with the power supply adapted to the electrical components through the wires, and an appropriate controller should be selected according to actual conditions to meet the control requirements, and specific connection and control sequences should be obtained.
Example (b): as can be seen from the attached figures 1-7 of the specification, the scheme comprises an upper die mechanism and a lower die mechanism, the position relation and the connection relation of the upper die mechanism and the lower die mechanism are as follows, the upper die mechanism is connected with the movable end of a hydraulic machine, the lower die mechanism is arranged below the upper die mechanism, and the upper die mechanism comprises: go up mould connection structure, mould hydro-cylinder 1, stamping structure and terrace die 2, its position relation and relation of connection are as follows, go up mould connection structure and install on the activity of hydraulic press is served, and mould hydro-cylinder 1 installs in last mould connection structure, and stamping structure installs on the activity of mould hydro-cylinder 1 is served, and terrace die 2 installs on last mould connection structure's lower extreme, and stamping structure and terrace die 2's internal diameter phase-match, and lower mould mechanism includes: the straight pipe piece punching die comprises a lower die supporting structure and a female die 3, wherein the lower die supporting structure is arranged below a male die 2, the female die 3 is arranged on the lower die supporting structure, the female die 3 is positioned under the male die 2, when the straight pipe piece punching die is used, a straight pipe piece is placed into the female die 3 in a lower die mechanism, the upper die mechanism moves downwards by controlling a hydraulic machine, the male die 2 on the upper die mechanism and the female die 3 on the lower die mechanism are closed, and then a die oil cylinder 1 in the upper die mechanism is used for controlling a punching structure to punch the straight pipe piece in the die, so that the pipe piece is formed;
as can be seen from fig. 1 to 7 of the specification, in the specific implementation process, the upper mold connecting structure includes: two upper padding plates 4, the top board 5, two limiting plates 6 and go up mould coupling assembling, its position relation and relation of connection are as follows, two upper padding plates 4 all install on the activity of hydraulic press is served, and two upper padding plates 4 are located 1 both sides of mould hydro-cylinder respectively, 5 fixed suit on mould hydro-cylinder 1 of top board, and the lower extreme fixed connection of top board 5 and two upper padding plates 4, two limiting plates 6 are installed and are located the lower extreme that all installed top board 5, and two limiting plates 6 are located the stamping structure both sides respectively, it installs on the lower extreme of two limiting plates 6 to go up mould coupling assembling, wherein it includes to go up mould coupling assembling: the device comprises an upper template 7 and a male die backing plate 8, wherein the upper template 7 is fixedly arranged at the lower ends of two limiting plates 6, the male die backing plate 8 is arranged at the lower end of the upper template 7, the male die backing plate 8 is connected with a male die 2, circular through holes are formed in the central positions of the upper template 7 and the male die backing plate 8, the size of each circular through hole is matched with that of a stamping structure, when the device is used, the height position of the upper backing plate 4 is adjusted by controlling the movable end of a hydraulic machine, an upper pressing plate 5 and the limiting plates 6 on the upper backing plate 4 are controlled to move downwards, and the upper template 7 and the male die backing plate 8 at the lower ends of the two limiting plates 6 are further pushed to move towards each other, so that the male die 2 moves downwards and is;
in a specific implementation process, the stamping structure comprises: the die comprises a connecting seat 9, a limiting seat 10 and a stamping head 11, wherein the connecting seat 9 is fixedly arranged on the movable end of a die oil cylinder 1, the limiting seat 10 is arranged on the lower end of the connecting seat 9, one end of the stamping head 11 is fixedly arranged on the connecting seat 9, the other end of the stamping head 11 is movably inserted into a circular through hole in the central position of an upper die plate 7 and a male die cushion plate 8, when the die is used, the stamping head 11 controls the stamping head 11 through the limiting seat 10 and the die oil cylinder 1 on the connecting seat 9 and the upper die plate 5, so that the stamping head 11 stamps a straight pipe in the die, a reinforcing seat 19 is arranged between the connecting seat 9 and the limiting seat 10, and the reinforcing seat 19 is respectively and fixedly connected with the connecting seat 9 and the limiting seat 10, and the connecting strength is improved;
as can be seen from fig. 1 to 7 of the specification, in the specific implementation process, the lower die supporting structure includes: two cushion 12, lower mould supporting component, layer board 13 and pusher 14, its position relation and relation of connection are as follows, two cushion 12 all install in last mold mechanism below, lower mould supporting component installs on two cushion 12, layer board 13 installs between two cushion 12, pusher 14 installs on cushion 12, the upper end of pusher 14 runs through in lower mould supporting component, and the upper end of pusher 14 stretches into in die 3, above-mentioned lower mould supporting component includes: the lower die plate 15 is arranged on the two cushion blocks 12, the female die cushion plate 16 is arranged on the lower die plate 15, circular holes are formed in the center positions of the lower die plate 15 and the female die cushion plate 16, the size of each circular hole is matched with that of the corresponding push head 14, when the lower die plate is used, the lower die plate 15 in the lower die supporting assembly is supported by the lower cushion blocks 12, the female die cushion plate 16 on the lower die plate 15 is used for supporting the female die 3, the push heads 14 are arranged on the cushion blocks 12, the upper ends of the push heads 14 penetrate into the female die 3, straight pipe fittings are internally supported, and forming efficiency is improved;
as can be seen from fig. 1 to 7 of the specification, in the specific implementation process, the upper die plate 7 is provided with two limiting guide pillars 17, the limiting guide pillars 17 are provided with limiting rings 18, the lower die plate 15 is provided with two limiting through holes, and the two limiting through holes are matched with the two limiting guide pillars 17 in size, so that the upper die plate 7 and the lower die plate 15 are conveniently limited and supported.
As can be seen from fig. 1-7 of the specification, in the specific implementation process, the male die 2 is of a stainless steel annular structure, a first special-shaped curved surface is reserved on the inner side wall surface of the lower end of the male die 2 in the circumferential direction, the female die 3 is of a stainless steel annular structure, a second special-shaped curved surface is reserved on the inner side wall surface of the lower end of the female die 3 in the circumferential direction, and the second special-shaped curved surface is matched with the first special-shaped curved surface, so that the forming efficiency is high, the cost is low, and the forming effect is good;
in summary, the internal support forming die for processing the stainless steel pipe is characterized in that the lower end of the female die 3 is provided with the lower die supporting structure, the inner part of the female die 3 is supported by the lower die supporting structure, the straight pipe is placed in the female die 3, the inner diameter of the straight pipe is supported by the lower die supporting structure, the male die 2 and the female die 3 in the upper die mechanism are controlled to be closed, the stamping structure is controlled by the die oil cylinder 1 to stamp the upper end of the straight pipe in the die, the straight pipe deforms under the action of pressure, and the pipe wall is attached to the inner wall of the male die 2 and the inner wall of the female die 3, so that one end of the stainless steel pipe forms a hump-shaped arc structure, the internal support forming die is suitable for a product with high requirement on the surface profile degree of the pipe, the hydraulic press and the die oil cylinder 1 are controlled to reset, the, The beat is fast, the operation degree of difficulty is low, has solved among the prior art, and interior high-voltage apparatus is with high costs, occupies project expense proportion big, and interior high-voltage apparatus compares with ordinary hydraulic press, and beat length, the operation degree of difficulty is high, interior high-voltage apparatus spare parts cost is high, the cycle length, influences the problem of product delivery.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a nonrust steel pipe processing is with interior forming die that props, includes upper die mechanism and lower die mechanism, its characterized in that, upper die mechanism is connected with the expansion end of hydraulic press, lower die mechanism installs in upper die mechanism's below, upper die mechanism includes: go up mould connection structure, mould hydro-cylinder (1), stamping structure and terrace die (2), it installs to go up mould connection structure on the activity of hydraulic press is served, install in mould hydro-cylinder (1) go up in the mould connection structure, stamping structure installs in the activity of mould hydro-cylinder (1) is served, terrace die (2) install in go up on mould connection structure's the lower extreme, stamping structure with the internal diameter phase-match of terrace die (2), lower mould mechanism includes: the lower die supporting structure is arranged below the male die (2), the female die (3) is arranged on the lower die supporting structure, and the female die (3) is located under the male die (2).
2. The inner support forming die for processing the stainless steel pipe as claimed in claim 1, wherein the upper die connecting structure comprises: the upper die comprises two upper base plates (4), an upper pressure plate (5), two limiting plates (6) and an upper die connecting assembly;
two upper padding plate (4) all install in the activity of hydraulic press is served, and two upper padding plate (4) are located respectively mould hydro-cylinder (1) both sides, fixed suit in of top board (5) is in on mould hydro-cylinder (1), just top board (5) and two the lower extreme fixed connection of upper padding plate (4), two limiting plate (6) are installed and are all installed on the lower extreme of top board (5), and two limiting plate (6) are located respectively the stamping structure both sides, go up mould coupling assembling and install two on the lower extreme of limiting plate (6).
3. The internal stay forming die for processing the stainless steel pipe as claimed in claim 2, wherein the upper die connecting assembly comprises: an upper template (7) and a male die backing plate (8);
the upper die plate (7) is fixedly arranged at the lower ends of the two limiting plates (6), the male die base plate (8) is arranged at the lower end of the upper die plate (7), the male die base plate (8) is connected with the male die (2), circular through holes are formed in the center positions of the upper die plate (7) and the male die base plate (8), and the size of each circular through hole is matched with that of the stamping structure in size.
4. The inner support forming die for machining the stainless steel pipe according to claim 3, wherein the stamping structure comprises: the device comprises a connecting seat (9), a limiting seat (10) and a stamping head (11);
connecting seat (9) are fixed install in on the activity end of mould hydro-cylinder (1), spacing seat (10) install in on the lower extreme of connecting seat (9), punching press head (11) one end is fixed to be installed on connecting seat (9), the other end activity cartridge of punching press head (11) in the circular through-hole that cope match-plate pattern (7) and terrace die backing plate (8) central point put.
5. The inner support forming die for processing the stainless steel pipe as claimed in any one of claims 1 to 4, wherein the lower die supporting structure comprises: the device comprises two cushion blocks (12), a lower die supporting component, a supporting plate (13) and a push head (14);
two cushion (12) all install in go up the mold mechanism below, lower mould supporting component install on two cushion (12), layer board (13) install in two between cushion (12), push head (14) install in on cushion (12), the upper end of push head (14) run through in lower mould supporting component, just the upper end of push head (14) stretches into in die (3).
6. The inner support forming die for processing the stainless steel pipe as claimed in claim 5, wherein the lower die supporting assembly comprises: a lower template (15) and a concave die backing plate (16);
the lower template (15) is arranged on the two cushion blocks (12), the female die base plate (16) is arranged on the lower template (15), circular holes are formed in the center positions of the lower template (15) and the female die base plate (16), and the size of each circular hole is matched with that of the corresponding push head (14).
7. The inner support forming die for processing the stainless steel tube as claimed in claim 6, wherein the upper die plate (7) is provided with two limiting guide pillars (17), the limiting guide pillars (17) are provided with limiting rings (18), the lower die plate (15) is provided with two limiting through holes, and the size of the two limiting through holes is matched with the size of the two limiting guide pillars (17).
8. The inner support forming die for processing the stainless steel pipe as claimed in claim 7, wherein the male die (2) is of a stainless steel annular structure, and a first special-shaped curved surface is reserved on the inner side wall surface of the lower end of the male die (2) in the circumferential direction.
9. The inner support forming die for processing the stainless steel pipe as claimed in claim 8, wherein the concave die (3) is of a stainless steel annular structure, a second special-shaped curved surface is reserved on the inner side wall surface of the lower end of the concave die (3) in the circumferential direction, and the second special-shaped curved surface is matched with the first special-shaped curved surface.
10. The inner support forming die for processing the stainless steel tube as claimed in claim 4, wherein a reinforcing seat (19) is arranged between the connecting seat (9) and the limiting seat (10), and the reinforcing seat (19) is fixedly connected with the connecting seat (9) and the limiting seat (10) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010284568.6A CN111346975A (en) | 2020-04-13 | 2020-04-13 | Internal stay forming die for stainless steel pipe machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010284568.6A CN111346975A (en) | 2020-04-13 | 2020-04-13 | Internal stay forming die for stainless steel pipe machining |
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|---|---|
| CN111346975A true CN111346975A (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010284568.6A Withdrawn CN111346975A (en) | 2020-04-13 | 2020-04-13 | Internal stay forming die for stainless steel pipe machining |
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| CN (1) | CN111346975A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112275884A (en) * | 2020-09-21 | 2021-01-29 | 潍坊倍力汽车零部件有限公司 | Inner high-pressure rapid forming die and manufacturing method thereof |
| CN112692163A (en) * | 2020-11-25 | 2021-04-23 | 昆山进荣中川五金有限公司 | Hump stamping device and method for hump tube |
-
2020
- 2020-04-13 CN CN202010284568.6A patent/CN111346975A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112275884A (en) * | 2020-09-21 | 2021-01-29 | 潍坊倍力汽车零部件有限公司 | Inner high-pressure rapid forming die and manufacturing method thereof |
| CN112692163A (en) * | 2020-11-25 | 2021-04-23 | 昆山进荣中川五金有限公司 | Hump stamping device and method for hump tube |
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Application publication date: 20200630 |
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