CN110479862A - A kind of hydraulic forming device - Google Patents
A kind of hydraulic forming device Download PDFInfo
- Publication number
- CN110479862A CN110479862A CN201910714130.4A CN201910714130A CN110479862A CN 110479862 A CN110479862 A CN 110479862A CN 201910714130 A CN201910714130 A CN 201910714130A CN 110479862 A CN110479862 A CN 110479862A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- hydraulic cylinder
- lower die
- shaping mould
- piston rod
- 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
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Classifications
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- 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
- B21D37/02—Die constructions enabling assembly of the die parts in different ways
-
- 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
-
- 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
- B21D37/14—Particular arrangements for handling and holding in place complete dies
-
- 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
- B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/32—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by plungers under fluid pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses a kind of hydraulic forming devices, including frame body, the hydraulic cylinder that is connected to frame body, the lower die for being connected to frame body, is driven along the upper mold moved toward and away from lower die direction by hydraulic cylinder, is connected to hydraulic cylinder and realizes the flexible hydraulic system of hydraulic cylinder piston rod, the upper mold includes replaceable the first shaping mould and the second shaping mould, and first shaping mould and the second shaping mould are removably connected to hydraulic cylinder piston rod.The present invention provides a kind of hydraulic forming devices of structure needed for capable of carrying out batch compression moulding to flat sheet.
Description
Technical field
The present invention relates to field of hydraulic equipment, in particular to a kind of hydraulic forming device.
Background technique
Hydraulic device is the carrier of hydraulic system, and a complete hydraulic system is made of five parts, i.e., dynamical element,
Executive component, control element, auxiliary element and hydraulic oil, hydraulic device are the zoarium of each section, its transmission force of hydraulic device
Greatly, it is easy to transmit and configure, it is extensive in industry, civilian industrial application.The executive component hydraulic cylinder and hydraulic motor of hydraulic system
Effect be the pressure energy of liquid is converted to mechanical energy, and obtain need straight reciprocating motion or rotary motion.
As shown in figure 5, being a connector, connector is by symmetrical two pieces of connecting plates 21 and is shaped in two pieces of connections
It is constituted between 21 bottom of plate and in curved curved tabs 22, and before shaping, connector is in the board-like material of one piece of cuboid,
It is difficult to be produced if without dedicated equipment in mass molding.
Summary of the invention
The object of the present invention is to provide a kind of hydraulic forming devices, can carry out batch compression moulding to plate.
Above-mentioned technical purpose of the invention has the technical scheme that a kind of hydraulic forming device, packet
Frame body is included, the hydraulic cylinder for being connected to frame body, the lower die for being connected to frame body, is driven by hydraulic cylinder and is transported along toward and away from lower die direction
Dynamic upper mold is connected to hydraulic cylinder and realizes the flexible hydraulic system of hydraulic cylinder piston rod, and the upper mold includes replaceable first
Shaping mould and the second shaping mould, first shaping mould and the second shaping mould are removably connected to hydraulic cylinder piston rod.
By using above-mentioned technical proposal, pushes upper mold to move towards lower die using the effect of hydraulic cylinder, recycle different
The first shaping mould and the second shaping mould successively respectively with lower die cooperate to plate carry out compression moulding twice, thus by being in originally
The plate of plane is pressed into required shape, improves the convenience of processing, is also able to batch and carries out machine-shaping to plate.
The present invention is further arranged to: the lower die has towards upper mold side for being horizontally arranged the flat of connector plate
Face, the lower die, which is located at its plane side and offers two, to be symmetrical arranged and the first inclined forming surfaces, described in one of them
First forming surface is tilted from plane initially towards another first forming surface side, and the lower die is located at two first forming surfaces
Centre offers the bending section for being recessed inwardly and being lower than the first forming surface bottom.
By using above-mentioned technical proposal, plate can be stably placed at down before shaping using the plane of lower die
Mould upper surface, and lower die is made to be provided simultaneously with the first forming surface and bending section, thus then no replacement is required in forming process lower die,
Continuous use can form total, improve efficiency, reach better processing effect.
The present invention is further arranged to: first shaping mould is provided with a pair of with the first forming surface one towards lower die side
The second forming surface of the first forming surface is answered and can fit in, second shaping mould includes being removably connected to hydraulic cylinder piston rod
Upper mold fixing body, be connected to upper mold fixing body and for form bending section and with bending section cooperation pressure bar.
By using above-mentioned technical proposal, the energy when the second forming surface of the first shaping mould and the first forming surface are bonded to each other
Enough first step bending and moldings realized to plate make cuboid plate that a shape in loudspeaker opening substantially be presented, and recycle
Pressure bar finally curves desired shape in the plate of loudspeaker opening shape.
The present invention is further arranged to: the lower die, which is located at plane, to be provided at least two and is arranged in connector plate
Positioning column, first shaping mould offer the location hole worn corresponding with positioning column.
By using above-mentioned technical proposal, guide-localization can be played in upper die and lower die bonding processes using positioning column
Effect avoids generating dislocation and occurring that plate unwanted when being pressed to apply power opposing upper and lower to plate
Deformation.
The present invention is further arranged to: the hydraulic system includes hydraulic pump, the liquid for being connected to hydraulic pump and hydraulic cylinder
The reversal valve for pressing hose, being connected to hydraulic hose and being connected between hydraulic pump and hydraulic cylinder.
By using above-mentioned technical proposal, the control to hydraulic cylinder is realized using reversal valve, consequently facilitating to plate
Pressing is controlled, and the safety of operation is promoted.
The present invention is further arranged to: the chassis wears and is threadedly coupled there are two positioning bolt, and the lower die opens up
There is the locating slot for being clamped positioning bolt.
By using above-mentioned technical proposal, the installation site of lower die can determine by positioning bolt, make the position of lower die
It will not occur arbitrarily to deviate, and then can preferably mold lower die and upper mold, avoid that the two occurs in compression moulding
It misplaces and causes the unqualified of product.
The present invention is further arranged to: the hydraulic cylinder piston rod is rotatably connected to mounting blocks, the mounting blocks with it is hydraulic
Locking member is provided between cylinder piston rod, first shaping mould and the second shaping mould are removably connected in mounting blocks, institute
It states hydraulic cylinder piston rod and is connected to mounting blocks center and in alignment with lower die center.
By using above-mentioned technical proposal, the first shaping mould, the second shaping mould can be changed under by being rotatablely installed block
Relative positional relationship between mould, to can complete on the same device, when carrying out the pressing of two steps without complete
One equipment of replacement entirely.
The present invention is further arranged to: being provided with pressure gauge between the reversal valve and hydraulic cylinder.
By using above-mentioned technical proposal, monitoring can be played the role of to the oil pressure in fluid pressure line using pressure gauge, kept away
Exempt from because insufficient pressure leads to the problem of process it is not in place.
In conclusion the invention has the following advantages: being formed using two the first replaceable shaping moulds and second
Mould, and the lower die of the first, second shaping mould of cooperation can will be originally used for the plate-like connecting member of cuboid after suppressing twice
It is capable of forming required structure, so as to mass production product, and completes better shaping structures.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is that the present embodiment is mainly used for embodying the structural schematic diagram of lower die；
Fig. 3 is that the present embodiment is mainly used for embodying the structural schematic diagram of the first shaping mould；
Fig. 4 is that the present embodiment is mainly used for embodying the structural schematic diagram of the second shaping mould；
Fig. 5 is the structural schematic diagram that the present embodiment is mainly used for connector.
Appended drawing reference: 1, frame body；11, upper mounting plate；12, lower platform；2, hydraulic cylinder；3, lower die；4, upper mold；41, the first one-tenth
Pattern；42, the second shaping mould；421, upper mold fixing body；422, pressure bar；5, hydraulic system；51, hydraulic pump；52, hydraulic hose；
53, reversal valve；54, check valve；6, plane；7, the first forming surface；8, the second forming surface；9, bending section；10, positioning column；13, fixed
Position hole；14, positioning bolt；15, locating slot；16, mounting blocks；17, locking member；19, boss；20, positioning plate.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
A kind of hydraulic forming device, it is shown referring to Fig.1, including frame body 1, one, which is fixedly installed with, on the top of frame body 1 erects
Straight downward hydraulic cylinder 2, upper mold 4 is connected on the piston rod of hydraulic cylinder 2, is connected in the bottom of frame body 1 in alignment with upper mold 4
Lower die 3, hydraulic cylinder 2 is communicated with hydraulic system 5, hydraulic cylinder 2 enable to drive upper mold 4 under the driving effect of hydraulic system 5
It is moved toward the direction towards or away from lower die 3, to be pressed into the cuboid plate connecting piece for being placed in 4 surface of upper mold
Type.
Frame body 1 includes being oppositely arranged up and down and in horizontal upper mounting plate 11 and lower platform 12, in upper mounting plate 11 and lower flat
It is supported between platform 12 by the way that column is arranged.Hydraulic cylinder 2 is fixed on upper mounting plate 11, and the piston rod of hydraulic cylinder 2 is arranged in
Upper mounting plate 11 is arranged towards lower platform 12.
Referring to shown in Fig. 2, whole lower die 3 is in cuboid, and it is in parallel plane 6 that lower die 3, which has with lower platform 12, rectangular
Symmetrically to open up in parallel center line there are two the first forming surface 7 with its width direction, the first forming surface 7 is in for the upper surface of body
It is obliquely installed, the first forming surface 7 is tilted from plane 6 initially towards another first forming surface, 7 side, then two the first forming surfaces 7
Constitute an outside horn mouth.And first time molding is carried out in order to the plate-like connecting member to cuboid, in conjunction with Fig. 3 institute
Show, upper mold 4 includes the first shaping mould 41, and the first shaping mould 41 is a cuboid, in the first shaping mould 41 towards the one of lower die 3
Side surface and centrally located integrally formed with a boss 19, between 41 surface of 19 two sides of boss and the first shaping mould
Form second forming surface 8, the second forming surface 8 is inclined to set, the second forming surface 8 from platform to the direction of boss 19 then
Extend towards another second forming surface 8 and tilt, then under the driving of hydraulic cylinder 2, the second forming surface 8 of the first shaping mould 41 can
Carrying out effect to plate-like connecting member jointly with the first forming surface 7 bends plate-like connecting member.In order to make the first shaping mould 41
Reach better effect with the pressing process of lower die 3, be respectively and fixedly provided with two positioning columns 10 by the upper plane 6 of two close end in lower die 3,
The line of centres of four positioning columns 10 constitutes a rectangle, in order to be oriented in pressing process to the first shaping mould 41,
The location hole 13 that cooperation is worn with positioning column 10 is offered in a side surface of the first shaping mould 41 towards lower die 3, in hydraulic cylinder 2
Impetus under, can be gradually inserted in location hole 13 by positioning column 10, to the opposite position of the first shaping mould 41 and lower die 3
It sets and plays corrective action.
Referring to shown in Fig. 2, and plate-like connecting member is made to be in a horn mouth opened up outward after first time forms, in order to
The structure for keeping its final molding required, being located to be recessed inwardly between two 7 bottoms of the first forming surface in lower die 3 has bending section 9,
9 section semicircular in shape of bending section, the central axis of bending section 9 are in parallel centerline in weight with lower die 3 with its width direction
It closes, in order to impact to connector when forming first time, bending section 9 is lower than the bottom end of the first forming surface 7.And in order to
Engagement flex portion 9 forms required structure to connector, and referring to shown in Fig. 4, upper mold 4 further includes second shaping mould 42, the
Two shaping moulds 42 include a upper mold fixing body 421 being inverted U shape, and are equipped with one at the bottom opening of upper mold fixing body 421
Root cylindrical body pressure bar 422, the both ends of pressure bar 422 are arranged in the two sidewalls of upper mold fixing body 421 respectively, and are carried out using split pin
Fixed, the length of pressure bar 422 is greater than the width of lower die 3.And between 9 central axis of central axis and bending section of pressure bar 422
The plane 6 of composition is in vertically, then under the impetus of hydraulic cylinder 2, can extend into using pressure bar 422 is made in bending section 9
Required structure is formed by bending in bell-mouthed connector.
In order to play locating effect to position of the lower die 3 on lower platform 12, on lower platform 12 there are two threaded connections
Positioning bolt 14, lower die 3 both ends end bottom integrally formed with one piece of positioning plate 20, offer and pass through on positioning plate 20
The locating slot 15 of its side wall is worn, the line of centres of two locating slots 15 is in parallel center line weight with lower die 3 with its length direction
It closes, when installing lower die 3, positioning bolt 14 is connected in locating slot 15, and one is applied to lower die 3 using positioning bolt 14
Towards the conflict pressing force of lower platform 12, so that lower die 3 be made to be fixed on lower platform 12, and lower die 3 and hydraulic cylinder 2 are determined
Relative positional relationship between piston rod.
Because being needed in forming process using the first shaping mould 41 and the second shaping mould 42, and according to two steps point
Not by the first shaping mould 41 and the installation of the second shaping mould 42 to the piston rod of hydraulic cylinder 2,2 piston rod of hydraulic cylinder is in alignment with lower die 3
Center, as shown in connection with fig. 4,2 piston rod of hydraulic cylinder is rotatably connected to the mounting blocks 16 of a cuboid around its own axial direction, peace
Filling block 16 is in the hollow setting of under shed, is opened up on the piston rod of hydraulic cylinder 2 there are two being arranged radially along 2 piston rod of hydraulic cylinder
Locking hole (not indicated in figure), two locking holes it is central axial vertical, and one of locking hole is central axial under
The length direction of mould 3 is in parallel.The locking member 17 that can be threaded connection in locking hole is equipped on mounting blocks 16, thus root
Change the direction of mounting blocks 16 according to the first, second shaping mould 41,42 is used, then when the length direction of mounting blocks 16 and lower die 3
Length direction it is parallel when, the first shaping mould 41 can be filled in blending bolt in mounting blocks 16 and fixed, then make the first shaping mould 41
With 3 keeping parallelism relationship of lower die and promote the stability that presses to plate-like connecting member.When forming for second, it is first rotatablely installed block
16, make the length direction of mounting blocks 16 and the width direction of lower die 3 in parallel, and upper mold fixing body 421 is filled in mounting blocks 16
Middle blending bolt is fixed, to make pressure bar 422 in alignment with bending section 9, enable pressure bar 422 and bending section 9 to connector into
Row shaping structures.
Referring to Fig.1 shown in, hydraulic system 5 include a hydraulic pump 51, the oil outlet of hydraulic pump 51 be communicated with two it is hydraulic
Hose 52, two hydraulic hoses 52 are communicated with a reversal valve 53 jointly, and reversal valve 53 is using manually two-position three-way valve, commutation
Valve 53 is communicated with a check valve 54, mountable between reversal valve 53 and check valve 54 to have a pressure gauge (not mark in figure
Show), and be connected to two hydraulic fluid ports of hydraulic cylinder 2 with check valve 54 by hydraulic hose 52, thus in hand-operated direction valve 53
Movement under can control the flexible of hydraulic cylinder 2.
The working principle of the present embodiment is: lower die 3 being fixed on lower platform 12 using positioning bolt 14, is rotatablely installed block 16
The length direction of mounting blocks 16 and 3 length direction of lower die is fixed using locking member 17 in parallel, and by the first shaping mould
41 fill in upper mold fixing body 421, are fixed using bolt, and the connector of plate is placed in 3 surface of lower die, makes connector
Upper connecting hole be arranged in positioning column 10, restart reversal valve 53 make hydraulic cylinder 2 push the first shaping mould 41 towards lower die 3 transport
It is dynamic, the connector of plate is pressed into horn-like opening by the effect of the first forming surface 7 and the second forming surface 8；Disassembly the
A molding 41, and mounting blocks 16 are rotated 90 degree, the second shaping mould 42 is fixedly installed in mounting blocks 16, hydraulic cylinder is started
2, it will be pulled down in horn-like plate using pressure bar 422 until pressure bar 422, which moves in bending section 9, completes compacting to plate
Molding.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (8)
1. a kind of hydraulic forming device, it is characterized in that: including frame body (1), the hydraulic cylinder (2) for being connected to frame body (1), being connected to frame
The lower die (3) of body (1), by hydraulic cylinder (2) drive along toward and away from lower die (3) direction movement upper mold (4), be connected to it is hydraulic
Cylinder (2) realizes the flexible hydraulic system (5) of hydraulic cylinder (2) piston rod, and the upper mold (4) includes the first replaceable shaping mould
(41) and the second shaping mould (42), first shaping mould (41) and the second shaping mould (42) are removably connected to hydraulic cylinder
(2) piston rod.
2. a kind of hydraulic forming device according to claim 1, it is characterized in that: the lower die (3) is towards upper mold (4) side
With the plane (6) for being horizontally arranged connector plate, the lower die (3) is located at its plane (6) side and offers two symmetrically
It is arranged and inclined the first forming surface (7), one of them described first forming surface (7) is from plane (6) initially towards another
The inclination of first forming surface (7) side, the lower die (3), which is located to offer among two first forming surfaces (7), to be recessed inwardly
And it is lower than the bending section (9) of the first forming surface (7) bottom.
3. a kind of hydraulic forming device according to claim 2, it is characterized in that: first shaping mould (41) is towards lower die
(3) side is provided with the second forming surface (8) that the first forming surface (7) is corresponded and can fitted in the first forming surface (7), institute
The second shaping mould (42) are stated to include the upper mold fixing body (421) for being removably connected to hydraulic cylinder (2) piston rod, be connected to upper mold peace
Dress body (421) and the pressure bar (422) for being used to form bending section (9) and cooperate with bending section (9).
4. a kind of hydraulic forming device according to claim 3 is set it is characterized in that: the lower die (3) is located at plane (6)
At least two positioning columns (10) for being arranged in connector plate are equipped with, first shaping mould (41) offers and positioning column (10)
The corresponding location hole (13) worn.
5. a kind of hydraulic forming device according to claim 1, it is characterized in that: the hydraulic system (5) includes hydraulic pump
(51), for being connected to the hydraulic hose (52) of hydraulic pump (51) and hydraulic cylinder (2), being connected to hydraulic hose (52) and being connected to liquid
Reversal valve (53) between press pump (51) and hydraulic cylinder (2).
6. a kind of hydraulic forming device according to claim 2, it is characterized in that: the frame body (1) wears and is threadedly coupled
There are two positioning bolt (14), the lower die (3) offers the locating slot (15) for being clamped positioning bolt (14).
7. a kind of hydraulic forming device according to claim 3, it is characterized in that: the hydraulic cylinder (2) piston rod rotation connects
It is connected to mounting blocks (16), is provided with locking member (17) between the mounting blocks (16) and hydraulic cylinder (2) piston rod, it is the first one-tenth described
Pattern (41) and the second shaping mould (42) are removably connected in mounting blocks (16), and hydraulic cylinder (2) piston rod is connected to
Mounting blocks (16) center and in alignment with lower die (3) center.
8. a kind of hydraulic forming device according to claim 5, it is characterized in that: the reversal valve (53) and hydraulic cylinder (2)
Between be provided with pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910714130.4A CN110479862B (en) | 2019-08-03 | 2019-08-03 | Hydraulic forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910714130.4A CN110479862B (en) | 2019-08-03 | 2019-08-03 | Hydraulic forming equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110479862A true CN110479862A (en) | 2019-11-22 |
| CN110479862B CN110479862B (en) | 2021-02-26 |
Family
ID=68549284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910714130.4A Active CN110479862B (en) | 2019-08-03 | 2019-08-03 | Hydraulic forming equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110479862B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56117832A (en) * | 1980-02-18 | 1981-09-16 | Hitachi Ltd | Composite bending die |
| EP0096211A1 (en) * | 1982-06-07 | 1983-12-21 | Hämmerle AG | Tool arrangement for a folding press |
| CN103153498A (en) * | 2010-09-14 | 2013-06-12 | 蒂森克虏伯钢铁欧洲股份公司 | Device and method for producing at least partially closed hollow profiles with rotatable die halves and low cycle time |
| CN208643737U (en) * | 2018-07-18 | 2019-03-26 | 大明重工有限公司 | A kind of push type broach adapter |
| CN208680254U (en) * | 2018-08-15 | 2019-04-02 | 开封市龙亭电气成套有限公司 | A kind of full-automatic apparatus for bending of panel beating |
| CN109550818A (en) * | 2019-01-23 | 2019-04-02 | 佛山市镭戈斯数控设备有限公司 | A kind of metal plate bending automatic production line |
| CN208879483U (en) * | 2018-07-24 | 2019-05-21 | 东莞市罗丹伊园景观装饰工程有限公司 | A kind of efficient molding die |
| CN109967568A (en) * | 2017-12-28 | 2019-07-05 | 刘海平 | A kind of electric car accessory apparatus for bending |
-
2019
- 2019-08-03 CN CN201910714130.4A patent/CN110479862B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56117832A (en) * | 1980-02-18 | 1981-09-16 | Hitachi Ltd | Composite bending die |
| EP0096211A1 (en) * | 1982-06-07 | 1983-12-21 | Hämmerle AG | Tool arrangement for a folding press |
| CN103153498A (en) * | 2010-09-14 | 2013-06-12 | 蒂森克虏伯钢铁欧洲股份公司 | Device and method for producing at least partially closed hollow profiles with rotatable die halves and low cycle time |
| CN109967568A (en) * | 2017-12-28 | 2019-07-05 | 刘海平 | A kind of electric car accessory apparatus for bending |
| CN208643737U (en) * | 2018-07-18 | 2019-03-26 | 大明重工有限公司 | A kind of push type broach adapter |
| CN208879483U (en) * | 2018-07-24 | 2019-05-21 | 东莞市罗丹伊园景观装饰工程有限公司 | A kind of efficient molding die |
| CN208680254U (en) * | 2018-08-15 | 2019-04-02 | 开封市龙亭电气成套有限公司 | A kind of full-automatic apparatus for bending of panel beating |
| CN109550818A (en) * | 2019-01-23 | 2019-04-02 | 佛山市镭戈斯数控设备有限公司 | A kind of metal plate bending automatic production line |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110479862B (en) | 2021-02-26 |
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