CN214768162U

CN214768162U - Electrohydraulic forming hydraulic machine

Info

Publication number: CN214768162U
Application number: CN202120648613.1U
Authority: CN
Inventors: 魏道全; 李晓红
Original assignee: Beijing Dongfang Dexing Technology Co ltd
Current assignee: Beijing Dongfang Dexing Technology Co ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-19
Anticipated expiration: 2031-03-30

Abstract

The utility model relates to an electricity liquid shaping hydraulic press, it includes that frame, liftable set up electromagnetic means in the frame, set up the bed die in the frame and with the last mould that the bed die cooperation was used, still including setting up resilience subassembly in the frame and connection the backing plate on the resilience subassembly, the subassembly that kick-backs upwards promotes the backing plate makes the backing plate laminating be in on electromagnetic means's the lower surface, go up the mould and install on the lower surface of backing plate. This application has and will go up the mould under the prerequisite that receives buoyancy, can stably place the effect on the bed die.

Description

Electrohydraulic forming hydraulic machine

Technical Field

The application relates to the field of expansion equipment, in particular to an electro-hydraulic forming hydraulic machine.

Background

At present, expansion is a common processing mode in the field of metal processing, and is generally used for stretching, expanding and the like of thin-wall metal.

The existing expanding machine comprises a rack, a lower die arranged on the rack, an upper die matched with the lower die for use, and an electromagnetic device arranged on the rack and positioned above the lower die, wherein after a thin metal workpiece is placed in the lower die, the upper die is buckled on the lower die, water is injected into the upper die and the lower die, then a power supply of the electromagnetic device is switched on, and after the electromagnetic device generates a strong magnetic field, the upper die is instantaneously pressed on the lower die under the action of the strong magnetic field, so that the expanding operation is carried out on the thin metal workpiece.

With respect to the related art among the above, the inventors consider that: after the upper die is placed on the lower die and water is injected, the upper die cannot be stably buckled on the lower die under the buoyancy action of water, so that the defect of increasing the defective rate of the expanded workpieces is caused.

SUMMERY OF THE UTILITY MODEL

In order to improve the defect that an upper die cannot be stably buckled on a lower die under the action of buoyancy, the application provides an electro-hydraulic forming hydraulic machine.

The electro-hydraulic forming hydraulic machine adopts the following technical scheme:

the utility model provides an electricity liquid shaping hydraulic press, is in including frame, liftable setting electromagnetism device in the frame, set up the bed die in the frame and with the last mould that the bed die cooperation was used, still including setting up resilience subassembly and connection in the frame backing plate on the resilience subassembly, the subassembly that kick-backs upwards promotes the backing plate makes the backing plate laminating be in on electromagnetism device's the lower surface, go up the lower surface at the backing plate of mould installation.

Through adopting above-mentioned technical scheme, it makes mould and backing plate descend in step to reduce electromagnetic means, when the backing plate drives the mould and is located bed die upper portion, the shape that rises is carried out to the work piece to the mould on can not interfering to the resilience subassembly, after electromagnetic means gave the decurrent electromagnetic force of last mould, the backing plate compressed the resilience subassembly downwards, thereby make the resilience subassembly exert vertical ascending reaction force to the backing plate, it is spacing to continue to form to last mould for the backing plate, thereby make the mould under the buoyancy of water, can stably place on the bed die.

Optionally, the rebounding assembly comprises a fixed column and an elastic piece, the upper end of the fixed column is connected to the rack, the elastic piece is arranged on the fixed column, the fixed column is vertically arranged, the fixed column is movably arranged on the base plate in a penetrating mode, and the upper end and the lower end of the elastic piece are respectively abutted to the fixed column and the lower face of the base plate.

Through adopting above-mentioned technical scheme, the dead lever that the activity was worn to establish on the backing plate can be installed the bottom plate, can also play the guide effect to the backing plate for the backing plate is comparatively stable along with the in-process operation that goes up the mould and goes up the lift, and in addition, the fixed column still provides stable installation basis to the elastic component, carries out stable elastic support to the backing plate with last mould in order to guarantee the elastic component.

Optionally, the elastic element is a spring, and the spring is sleeved on the fixing column.

Through adopting above-mentioned technical scheme, the spring has comparatively stable elasticity to can stabilize the resilience processing to the backing plate, the spring housing is established on the fixed column, need not be with the help of other mounting structure's prerequisite under, can be with its stable mounting on the fixed column, simple structure, simple to operate.

Optionally, at least two sets of rebound assemblies are provided.

Through adopting above-mentioned technical scheme, set up two sets of resilience subassembly at least and can carry out stable connection to the backing plate in, can also make the backing plate atress even, promote the practical stability of backing plate, limited installation space in the while can also the rational utilization frame.

Optionally, an installation plate is arranged on the upper portion of the electromagnetic device, and the upper end of the fixing rod is fixedly connected to the installation plate.

Through adopting above-mentioned technical scheme, the subassembly that kick-backs passes through the mounting panel to be connected on electromagnetic means, when can adjusting from top to bottom in step with electromagnetic means, the subassembly that kick-backs does not have again with electromagnetic means direct contact, leads to the possibility that electromagnetic means broke down when reducing the installation subassembly that kick-backs.

Optionally, the lower die comprises a lower die sleeve fixedly arranged on the frame and a lower die body located in the lower die sleeve;

the upper die comprises an upper die body fixedly arranged on the lower surface of the base plate and an upper die sleeve capable of being sleeved on the upper die body, and the upper die sleeve is arranged on the lower die sleeve.

By adopting the technical scheme, after the workpiece is placed between the die sleeve and the die, the workpiece is convenient to expand.

Optionally, the frame is provided with a lifting device for lifting the upper mold sleeve and a lifting plate connected to the lower end of the lifting device, and the upper mold sleeve is mounted on the lifting plate.

By adopting the technical scheme, the upper die sleeve is lifted and supported by the lifting device and the lifting plate, so that the automation of the electro-hydraulic forming hydraulic machine is improved, manual operation is reduced, the expansion work efficiency is improved, and meanwhile, the production safety can be improved.

Optionally, the rack is provided with a support rod with a lower end arranged on the rack and a fixed plate fixedly connected to the upper end of the support rod, and the lifting device is arranged on the fixed plate.

Through adopting above-mentioned technical scheme, the simple structure of branch and fixed plate is convenient for when installing elevating gear, installs the fixed plate in the frame through the straight-bar, still can not occupy the operating space on the electromagnetism type expander, does benefit to the staff and uses.

Optionally, the rack includes a base, a connecting plate vertically disposed on the base, and a top plate horizontally disposed on the connecting plate, and the top plate is suspended above the base.

Through adopting above-mentioned technical scheme, the base can promote the holistic height of electromagnetism type expander to do benefit to the staff and operate, form C type structure between base, connecting plate and the roof, can provide the required operating space of type expander, still do not have structures such as electric putter to provide stable installation basis.

Optionally, a reinforcing plate is connected between the connecting plate and the top plate.

Through adopting above-mentioned technical scheme, the reinforcing plate is connected the back to connecting plate and roof, has both increased the connection area of roof and connecting plate, can also support the roof of unsettled setting to the structural strength to the roof strengthens the processing.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the rebound assembly and the base plate, when the upper die is placed on the lower die, the upper die is under the buoyancy action of water, and the rebound assembly can improve the stability of the upper die when placed on the lower die;

2. the spring is sleeved on the fixed column, the backing plate is subjected to stable resilience treatment, and the spring is sleeved on the fixed column and can be stably installed on the fixed column on the premise of not needing other installation structures;

3. through setting up the mounting panel, the subassembly that kick-backs passes through the mounting panel to be connected on electromagnetic means, when can adjusting from top to bottom in step with electromagnetic means, the subassembly that kick-backs does not have again with electromagnetic means direct contact, leads to the possibility that electromagnetic means breaks down when reducing the installation subassembly that kick-backs.

Drawings

FIG. 1 is a schematic structural diagram of an electro-hydraulic forming hydraulic machine;

FIG. 2 is a side view of the electromagnetic expander;

FIG. 3 is a front view of the electromagnetic expander;

FIG. 4 is a schematic structural view of a rebound assembly;

FIG. 5 is a flow chart of the use of the electro-hydraulic forming hydraulic machine.

Description of reference numerals: 1. a frame; 11. a base; 12. a connecting plate; 13. a top plate; 14. a reinforcing plate; 2. a base plate; 3. a pushing assembly; 31. an electric push rod; 32. mounting a plate; 33. an electromagnetic device; 4. a rebound assembly; 41. fixing a column; 42. a spring; 43. a baffle plate; 5. a base plate; 51. a fixed cylinder; 6. a mold; 61. a lower die sleeve; 62. an upper die; 63. putting a mold sleeve; 7. a lifting assembly; 71. a strut; 72. a fixing plate; 73. a lifting device; 74. lifting the plate; 75. a guide bar; 8. a connecting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

Example one

The application discloses an electricity liquid shaping hydraulic press, combine figure 1, figure 2, electricity liquid shaping hydraulic press includes frame 1, install bottom plate 2 in frame 1, install the promotion subassembly 3 in frame 1, the subassembly 4 that kick-backs of setting on promotion subassembly 3 output, the backing plate 5 of connection on subassembly 4 kick-backs, the mould 6 of setting in frame 1, install the lifting subassembly 7 that is used for carrying out height control to mould 6 in frame 1, and both ends connect respectively on frame 1 and the connecting rod 8 on lifting subassembly 7. The connecting rods 8 are arranged in two numbers, and the connecting rods 8 can improve the structural stability and the use reliability of the lifting assembly 7 installed on the frame 1.

Referring to fig. 2, the housing 1 includes a base 11, a connecting plate 12 connected to a top surface of the base 11, a top plate 13 connected to the connecting plate 12, and a reinforcing plate 14 connected to a corner formed by the connecting plate 12 and the top plate 13. Connecting plate 12 is vertical to be set up, and the face of connecting plate 12 is parallel and level mutually with a side of base 11, and roof 13 hangs and establishes in base 11 top, and base 11, connecting plate 12 and roof 13 three form the opening orientation and be horizontally C type structure, form great installation space and operating space between base 11 and roof 13.

Referring to fig. 2, the bottom plate 2 is horizontally disposed on the upper surface of the base 11, the bottom plate 2 can effectively increase the working plane of the base, and can also separate the pushing assembly 3, the mold 6 and other components from the base 11 when the workpiece is subjected to the expanding operation, so that the pushing assembly 3 and other components damage the base 11 when the workpiece is subjected to the expanding operation.

With reference to fig. 3 and 4, the pushing assembly 3 includes an electric push rod 31 installed on the top plate 13, a mounting plate 32 fixedly connected to the lower end of the electric push rod 31, and an electromagnetic device 33 installed at the lower portion of the mounting plate 32, a piston rod of the electric push rod 31 vertically penetrates downward through the top plate 13, the mounting plate 32 is horizontally disposed, the lower end of the electric push rod 31 is connected to the upper plate surface of the mounting plate 32, and the electromagnetic device 33 is disposed on the lower plate surface of the mounting plate 32. When the electric push rod 31 works, the electromagnetic device 33 can be vertically driven to ascend and descend, so that the electromagnetic expansion machine can be suitable for expansion of workpieces with different heights, the electromagnetic device 33 is connected with the electric push rod 31 through the mounting plate 32, the connection stability of the electromagnetic device 33 and the electric push rod 31 can be improved, a coil is wound inside the electromagnetic device 33, after the electromagnetic device 33 is electrified, a magnetic field formed by the electromagnetic device 33 and used for pushing the die 6 is formed, and the upper plate surface of the backing plate 5 is attached to the lower surface of the electromagnetic device 33.

Combine fig. 3, fig. 4, subassembly 4 kick-backs includes fixed column 41 on the lower terminal surface of upper end rigid coupling under mounting panel 32, the setting is at the elastic component on fixed column 41, and baffle 43 of rigid coupling on fixed column 41 lower terminal surface, the elastic component adopts spring 42, backing plate 5 is worn to establish on fixed column 41 by the lower extreme activity of fixed column 41, and backing plate 5 butt is in spring 42 upper end, subassembly 4 kick-backs is provided with two sets ofly, and two sets of symmetries set up on mounting panel 32, thereby when backing plate 5 provides stable support, can also provide great resilience effort to backing plate 5, make backing plate 5 atress even.

When the electric push rod 31 lowers the backing plate 5, the backing plate 5 drives the mold 6 to form a complete mold, and after the electric push rod 31 is lowered continuously, the backing plate 5 compresses the spring 42, so that the spring 42 forms upward elastic force on the backing plate 5, and the backing plate 5 and the electromagnetic device 33 form stable elastic connection.

Referring to fig. 4, two fixing tubes 51 through which the fixing posts 41 are inserted are provided on the backing plate 5, one ends of the fixing tubes 51 communicate with the two plate surfaces of the backing plate 5, and when the fixing posts 41 are inserted in the backing plate 5, one ends of the fixing tubes 51 far from the backing plate 5 abut against the baffle 43, and the fixing tubes 51 can compress the springs 42, thereby compressing the springs 42 on the fixing posts 41 to improve the elasticity of the springs 42.

Referring to fig. 3, the mold 6 includes a lower mold fixed to an upper portion of the base plate 2, a lower mold sleeve 61 mounted on the base plate 2 and fitted over the lower mold, an upper mold 62 fixedly mounted to a lower portion of the mounting plate 32, and an upper mold sleeve 63 fittable over the upper mold 62. The lifting assembly 7 is used for adjusting the height of the upper die 63, so that the electromagnetic expansion machine can be suitable for the expansion work of dies 6 with different height specifications.

The lifting assembly 7 comprises a support installed on the bottom plate 2, two lifting devices 73 installed on the support, a lifting plate 74 connected to the lower end of the lifting devices 73, and a guide rod 75 vertically arranged on the bottom plate 2, wherein the upper end and the lower end of the guide rod 75 are fixedly connected to the fixing plate 72 and the bottom plate 2 respectively, the guide rod 75 is movably arranged on the lifting plate 74 in a penetrating mode, and when the lifting devices 73 lift the lifting plate 74, the lifting plate 74 is conducted with a conducting wire and limited.

The support comprises four support rods 71 vertically fixedly connected to the base plate 2 and a fixing plate 72 fixedly connected to the upper ends of the support rods 71, two lifting devices 73 are arranged, the two lifting devices 73 are respectively arranged on two opposite sides of the fixing plate 72, the lifting devices 73 can adopt devices such as an electric push rod 31 and a hydraulic cylinder, the output end of each lifting device 73 is positioned below the fixing plate 72, convex ribs are arranged outside the lower die 61, through holes matched with the lower die 61 are formed in the lifting plate 74, the lower die 61 is arranged in the through holes and abutted to the upper plate surface of the lifting plate 74, the lower die 61 is stably arranged on the lifting plate 74 by using connecting pieces such as bolts, abdicating holes for abdicating the two fixing columns 41 are further formed in the plate surface of the lifting plate 74, and therefore the lifting plate 74 cannot obstruct the descending of the backing plate 5.

The height of the lower die 61 is adjusted up and down by controlling the lifting device 73, the applicability of the electromagnetic expanding machine to the lower die 61 with different height specifications and to other workpieces during expanding operation is improved, the lifting assembly 7 is simple in structure, the usability of the electromagnetic expanding machine is improved on the premise of not interfering the normal use of the electromagnetic expanding machine, and the electromagnetic expanding machine is beneficial to use by workers.

Example two

Referring to fig. 5, the use method of the electro-hydraulic forming hydraulic machine comprises the following steps:

step one, a workpiece is placed in a lower die;

placing the upper die 62 on the lower die, adjusting the positions of the upper die 62 and the lower die, and connecting the upper die 62 and the lower die by using connecting pieces such as bolts and the like to form sealing connection;

step three, injecting liquid into the mould 6;

step four, adjusting the height of the electromagnetic device 33 to ensure that the electromagnetic device 33 can apply stable electromagnetic impact force to the mold 6;

step five, setting the preset voltage of the electromagnetic device 33, and discharging to complete the first expansion after the preset voltage is reached;

sixthly, the electromagnetic device 33 is abutted against the upper die 62, and the electromagnetic device 33 is prepared to carry out second expansion preparation on the upper die 62;

step seven, setting the preset voltage of the electromagnetic device 33, discharging to finish the second expansion after reaching the preset voltage, and stably improving the expansion forming rate of the workpiece after the workpiece is subjected to twice expansion;

and step eight, lifting the electromagnetic device 33 to reset, and taking out the workpiece to finish the expansion work of the workpiece.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an electricity liquid shaping hydraulic press, includes frame (1), liftable setting electromagnetic means (33) in frame (1), set up the bed die in frame (1) and with last mould (62) that the bed die cooperation was used, its characterized in that: still including setting up resilience subassembly (4) and connection in frame (1) are in backing plate (5) on resilience subassembly (4), and rebound subassembly (4) upwards promote backing plate (5) make backing plate (5) laminate on the lower surface of electromagnetic means (33), go up mould (62) and install the lower surface at backing plate (5).

2. An electro-hydraulic forming hydraulic machine according to claim 1, characterised in that: the resilience assembly (4) comprises a fixing column (41) with the upper end connected to the rack (1) and an elastic piece arranged on the fixing column (41), the fixing column (41) is vertically arranged, the fixing column (41) is movably arranged on the base plate (5) in a penetrating mode, and the upper end and the lower end of the elastic piece are respectively abutted to the fixing column (41) and the lower plate surface of the base plate (5).

3. An electro-hydraulic forming hydraulic machine according to claim 2, characterised in that: the elastic piece is a spring (42), and the spring (42) is sleeved on the fixing column (41).

4. An electro-hydraulic forming hydraulic machine according to claim 1, characterised in that: the rebound assemblies (4) are at least provided with two groups.

5. An electro-hydraulic forming hydraulic machine according to claim 4, characterised in that: the upper part of the electromagnetic device (33) is provided with a mounting plate (32), and the upper end of the fixed rod is fixedly connected onto the mounting plate (32).

6. An electro-hydraulic forming hydraulic machine according to claim 4, characterised in that: the lower die comprises a lower die sleeve (61) fixedly arranged on the rack (1) and a lower die body positioned in the lower die sleeve (61);

go up mould (62) including set firmly last mould (62) body of face under backing plate (5) and can overlap and establish go up mould cover (63) on last mould (62) body, go up mould cover (63) set up with lower mould cover (61) on.

7. An electro-hydraulic forming hydraulic machine as claimed in claim 5 or 6, characterised in that: the frame (1) is provided with a lifting device (73) for lifting the upper die sleeve (63) and a lifting plate (74) connected to the lower end of the lifting device (73), and the upper die sleeve (63) is installed on the lifting plate (74).

8. An electro-hydraulic forming hydraulic machine as claimed in claim 7, characterised in that: the frame (1) is provided with a support rod (71) with the lower end arranged on the frame (1) and a fixing plate (72) fixedly connected to the upper end of the support rod (71), and the lifting device (73) is arranged on the fixing plate (72).

9. An electro-hydraulic forming press as claimed in claim 8, characterised in that: the rack (1) comprises a base (11), a connecting plate (12) vertically arranged on the base (11) and a top plate (13) horizontally arranged on the connecting plate (12), wherein the top plate (13) is suspended above the base (11).

10. An electro-hydraulic forming press as claimed in claim 9, characterised in that: and a reinforcing plate (14) is connected between the connecting plate (12) and the top plate (13).