CN113814297A - Numerical control bender mould auxiliary assembly that reloads - Google Patents
Numerical control bender mould auxiliary assembly that reloads Download PDFInfo
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- CN113814297A CN113814297A CN202111237560.5A CN202111237560A CN113814297A CN 113814297 A CN113814297 A CN 113814297A CN 202111237560 A CN202111237560 A CN 202111237560A CN 113814297 A CN113814297 A CN 113814297A
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- 238000005452 bending Methods 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims description 46
- 238000001125 extrusion Methods 0.000 claims description 36
- 230000001603 reducing effect Effects 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000005299 abrasion Methods 0.000 abstract description 6
- 230000009467 reduction Effects 0.000 description 13
- 230000000694 effects Effects 0.000 description 9
- 238000007689 inspection Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002337 anti-port Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008261 resistance mechanism Effects 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
- B21D5/0236—Tool clamping
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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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/02—Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
- B21D5/0209—Tools therefor
- B21D5/0254—Tool exchanging
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to die replacing auxiliary equipment of a numerical control bending machine, which comprises the numerical control bending machine, a die replacing device, an upper die, a lower die and a lifting device, wherein the die replacing device is installed on the upper side of the front end of the numerical control bending machine, the upper die is installed at the lower end of the die replacing device, the lower die is installed on the lower side of the front end of the numerical control bending machine, and the lifting devices are symmetrically installed on the left side and the right side of the front end of the numerical control bending machine. The invention can solve the problems that the connection process of each group of bolts consumes certain time, the integral installation time is longer, the lifting stability is difficult to ensure easily because the upper die is heavier and the installation position is higher, personnel lift the upper die for a long time and with high strength, the abrasion loss between the upper die and the connection structure occurs during each replacement, the replacement frequency is increased along with the increase of the working period, the fit degree between the connection structure and the upper die is greatly reduced easily, and the like.
Description
Technical Field
The invention relates to the technical field of numerical control bending machines, in particular to a die replacing auxiliary device of a numerical control bending machine.
Background
The numerical control bending machine is a new large-scale machine, and is favored by many people due to the ultrahigh processing precision and the operation mode of double-machine linkage, wherein the upper die and the lower die in the numerical control bending machine are tools for forming and processing the plate, the processing of the appearance of an article is realized mainly through the change of the physical state of the formed material, and the blank is a tool for making a workpiece with a specific shape and size under the action of the pressure of the bending machine.
For a bending machine die, the die can be usually disassembled for periodic inspection or replacement, and the connection mode of the upper die in the existing numerical control bending machine is usually connected with a lifting module through a multi-station bolt, but the connection mode often has the following problems in the actual die replacing process:
1. the connection process of each group of bolts consumes certain time, so that the whole installation time is long, and because the upper die is heavy and the installation position is at a high position, personnel lift the upper die for a long time and at high strength, the lifting stability is difficult to ensure, the installation of the upper die is not facilitated, and the personnel are easy to hurt due to accidental falling;
2. the wearing and tearing loss between mould and the connection structure all appears in change at every turn, and along with duty cycle's increase, the number of times of changing increases, leads to the degree of agreeing with greatly reduced between connection structure and the last mould easily, goes up the mould and probably appears not hard up the condition when bending.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a numerical control bender mould reloads auxiliary assembly, includes numerical control bender, mould reloads device, goes up mould, bed die, lifts up the device, and the mould reloads device is installed to the front end upper side of numerical control bender, and the mould is installed to the lower extreme of mould reloads device, and the bed die is installed to the front end downside of numerical control bender, and the left and right sides symmetry of numerical control bender front end is installed and is lifted up the device.
The mould device of reloading include the elevator, the embedding frame, the screens frame, the movable block, locking mechanical system, positioning mechanism, resistance reducing mechanism and actuating mechanism, the upper end of elevator is connected with the lift module of numerical control bender, the embedding frame is installed to the lower extreme of elevator, be sliding fit connection between embedding frame and the movable block, the screens frame is installed to the front end of movable block, and the embedding frame, connect through locking mechanical system between the screens frame, actuating mechanism is installed to the rear end of elevator, L type groove has been seted up on the screens frame, L type inslot portion installs resistance reducing mechanism, resistance reducing mechanism's setting has reduced the upper end of last mould and has got into or withdraw from the degree of difficulty of screens frame, positioning mechanism is installed to the front end of elevator, the upper end of going up the mould is located the embedding frame, between the screens frame.
Resistance reduction mechanism including receiving the piece, the extrusion stem, the extrusion piece, stretch out the piece, the drag reduction roller, reset spring, sliding fit is connected around between the front end in L type groove and the piece that receives, the extrusion stem is installed to the lower extreme that receives the piece, the piece receives can contract back to L type inslot after the extrusion, the extrusion stem of synchronous withdrawal can extrude the lower extreme rear side in L type groove through upper and lower sliding fit's mode with stretch out the piece and be connected, and stretch out the piece downwards with the extrusion piece, thereby it stretches out the piece to drive, the drag reduction roller retracts to L type inslot, be connected with reset spring between the L type groove, reset spring plays the effect that resets, the extrusion piece is installed to the front end that stretches out the piece, the upper end that stretches out the piece is connected with the drag reduction roller through the bearing, resistance reduction clamping frame is set up to resistance mechanism, the wearing and tearing of relative movement each other between the mould, the degree of agreeing with is improved, service life has been prolonged.
The lifting device comprises an electric sliding block, an electric lifting plate, a pushing cylinder, a placing frame, a combining frame, a movable rod, a limiting plate and a connecting spring, the electric sliding block is vertically arranged at the front end of the numerical control bending machine, and be provided with electric lift board between the electronic slider, be connected for sliding fit between electric lift board's middle part and the movable rod, the rack is installed to the inner of movable rod, sliding fit's mode is passed through to the upper end of rack and is connected with the merge frame, be connected with the promotion cylinder between rack and the electric lift board, electric lift board plays electric lift's effect, the inner groovy has been seted up in the outside of rack, be connected with connecting spring between inner groovy and the limiting plate, the limiting plate plays the effect of supporting spacingly to the outside of the merge frame of folding, connecting spring plays the effect that elasticity resets, electronic slider, electric lift board, the setting up of promotion cylinder has guaranteed that the rack can remove to any position.
The locking mechanism comprises a connecting column, a gear, a rack, a connecting frame, a sliding block and a built-in spring, the left end and the right end of the embedding frame are connected with the middle of the connecting column through bearings, the gear is installed at the rear end of the connecting column, the gear is meshed with the rack, the rack is installed on the side wall of the connecting frame, the sliding block is installed at the front end of the connecting frame, the sliding block and the embedding frame are connected in a vertical sliding fit mode, the built-in spring is connected between the sliding block and the embedding frame, the built-in spring plays a role in resetting, threaded holes are symmetrically formed in the left end and the right end of the clamping frame, and the threaded holes are connected with the front end of the connecting column in a threaded fit mode.
The positioning mechanism comprises a movable plate, a drag hook and a positioning rod, the movable plate is connected with the lifting block in a vertically sliding fit mode, the drag hook is installed at the upper end of the movable plate, the positioning rod is evenly installed at the lower end of the movable plate, the positioning mechanism is arranged to perform secondary positioning on the position of the clamping frame after clamping, and the situation that the degree of engagement of the clamping frame and the embedding frame to the upper die is reduced due to looseness between the front end of the connecting column and the clamping frame is prevented.
The clamping frame is provided with a clamping groove, and the lower end of the positioning rod at the initial position is embedded in the clamping groove to play a role in temporary secondary positioning.
Wherein, the lower extreme inclined plane of extrusion pole laid the smooth layer, the inclined plane of smooth layer and extrusion piece is laminated mutually, the inclined plane of extrusion piece is the structure of gradual downward sloping from the past backward, the smooth layer set up the degree of difficulty that the extrusion piece descends after having reduced the extrusion piece inclined plane.
The driving mechanism comprises a connecting cylinder, a linkage plate and a jacking rod, the connecting cylinder is connected between the linkage plate and the upper end of the lifting block, the jacking rod is uniformly installed at the lower end of the linkage plate, the jacking rod vertically corresponds to the connecting frame in position, and the linkage plate is driven to lift through the connecting cylinder, so that the jacking rod is driven to lift integrally.
The rack and the combining frame form a sleeving cavity, the cross section of the sleeving cavity is matched with the cross section of the upper half part of the upper die in shape, and the two ends of the upper die are stably positioned.
(II) advantageous effects
1. According to the numerical control bending machine die reloading auxiliary equipment, the original manual tightening is replaced by a multi-station synchronous automatic locking mode, the consumed time is greatly shortened, the situations of instability and accidental falling caused by manual lifting are avoided by matching with an automatic lifting mode, the abrasion degree between an upper die and a die reloading device is reduced by adopting a package clamping and resistance reducing mode, and the service life is prolonged;
2. according to the numerical control bending machine die replacement auxiliary equipment, the original mode that a lifting module and an upper die are directly locked through bolts is replaced by the mode of embedding, wrapping and clamping of a clamping frame and synchronous locking of a multi-station locking mechanism, the abrasion consumption of the connection mode is greatly reduced, the connection efficiency is improved, and the consumption time is reduced;
3. according to the numerical control bending machine die reloading auxiliary device, the resistance reducing mechanism reduces the abrasion force generated by surface contact between the clamping frame and the upper end of the upper die, when the upper die is clamped between the subsequent clamping frame and the embedding frame, the resistance reducing mechanism is completely retracted to the L-shaped groove, the resistance is recovered at the moment, and clamping of the upper die is facilitated;
4. according to the numerical control bending machine die reloading auxiliary equipment, the original manual lifting is replaced by the lifting device, and the sleeves at the two ends of the upper die are positioned through the folded embedding frame and the folded clamping frame, so that the stability during installation is improved, and the condition that personnel are injured due to falling cannot occur in the lifting process.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a first perspective view of the mold exchanging apparatus of the present invention;
FIG. 3 is a schematic view of a second perspective view of the mold exchanging apparatus of the present invention;
FIG. 4 is a schematic structural diagram of the clamping frame, the movable block and the drag reduction mechanism according to the present invention;
FIG. 5 is a top view of the mold exchange device of the present invention in position with the upper mold;
FIG. 6 is a cross-sectional view A-A of FIG. 5 of the present invention;
FIG. 7 is a cross-sectional view of the mold exchange apparatus of the present invention;
FIG. 8 is a schematic view of a first configuration of the lifting apparatus of the present invention (except for the motorized slider);
FIG. 9 is a second schematic view of the lift device of the present invention (except for the motorized slider);
FIG. 10 is an enlarged view of a portion of the invention at X of FIG. 3;
fig. 11 is an enlarged view of a portion of the invention at Y of fig. 7.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 11, the die replacement auxiliary equipment for the numerical control bending machine comprises a numerical control bending machine 1, a die replacement device 2, an upper die 3, a lower die 4 and a lifting device 5, wherein the die replacement device 2 is installed on the upper side of the front end of the numerical control bending machine 1, the upper die 3 is installed at the lower end of the die replacement device 2, the lower die 4 is installed on the lower side of the front end of the numerical control bending machine 1, and the lifting device 5 is symmetrically installed on the left side and the right side of the front end of the numerical control bending machine 1.
The die replacing device 2 comprises a lifting block 21, an embedding frame 22, a clamping frame 23, a movable block 24, a locking mechanism 25, a positioning mechanism 26, a drag reduction mechanism 27 and a driving mechanism 28, wherein the upper end of the lifting block 21 is connected with a lifting module of the numerical control bending machine 1, the embedding frame 22 is installed at the lower end of the lifting block 21, the embedding frame 22 is connected with the movable block 24 in a sliding fit manner, the clamping frame 23 is installed at the front end of the movable block 24, the embedding frame 22 and the clamping frame 23 are connected through the locking mechanism 25, the driving mechanism 28 is installed at the rear end of the lifting block 21, an L-shaped groove is formed in the clamping frame 23, the drag reduction mechanism 27 is installed inside the L-shaped groove, the setting of the drag reduction mechanism 27 reduces the difficulty of the upper end of the upper die 3 entering or exiting from the clamping frame 23, the positioning mechanism 26 is installed at the front end of the lifting block 21, the upper end of the upper die 3 is located between the embedding frame 22 and the clamping frame 23, during specific work, when the upper die 3 needs to be periodically checked or replaced, after the positioning mechanism 26 is unlocked, the driving mechanism 28 and the locking mechanism 25 are matched to drive the clamping frame 23 to move forwards, so that the clamping frame 23 and the embedding frame 22 do not clamp the upper end of the upper die 3 any more.
The locking mechanism 25 comprises a connecting column 251, a gear 252, a rack 253, a connecting frame 254, a sliding block 255 and a built-in spring 256, the left end and the right end of the embedded frame 22 are connected with the middle of the connecting column 251 through bearings, the gear 252 is installed at the rear end of the connecting column 251, the gear 252 is meshed with the rack 253, the rack 253 is installed on the side wall of the connecting frame 254, the sliding block 255 is installed at the front end of the connecting frame 254, the sliding block 255 is connected with the embedded frame 22 in a vertically sliding fit manner, the built-in spring 256 is connected between the sliding block 255 and the embedded frame 22, the built-in spring 256 plays a reset role, threaded holes are symmetrically formed in the left end and the right end of the clamping frame 23, the threaded holes are in threaded fit connection with the front end of the connecting column 251, during specific work, the upper end of the connecting frame 254 is extruded and then descends, so that the rack 253 is driven to descend, the gear 252 is driven to rotate under the meshing fit of the gear 252 and the rack 253, and then drive spliced pole 251 to rotate, drive screens frame 23 rearward under screw-thread fit's effect for carry out the screens to the upper end of mould 3 between screens frame 23, the embedding frame 22, when last mould 3 needs to be changed or inspect, the extrusion force that the upper end of link 254 received disappears, under the effect of built-in spring 256, link 254 rises again, drives spliced pole 251 antiport under the meshing cooperation of gear 252, rack 253, and then drives screens frame 23 antedisplacement and withdraw from.
The positioning mechanism 26 comprises a movable plate 261, a draw hook 262 and a positioning rod 263, the movable plate 261 and the lifting block 21 are connected in a vertically sliding fit manner, the draw hook 262 is installed at the upper end of the movable plate 261, the positioning rod 263 is evenly installed at the lower end of the movable plate 261, a clamping groove is formed in the clamping frame 23, the lower end of the positioning rod 263 at the initial position is embedded in the clamping groove to play a role in temporary secondary positioning, when the clamping frame 23 does not clamp the front side of the upper end of the upper die 3 in operation, the lower end of the positioning rod 263 does not enter the clamping groove, only when the upper end of the upper die 3 is clamped between the clamping frame 23 and the embedding frame 22, the lower end of the positioning rod 263 is embedded in the clamping groove to achieve the positioning purpose, when the clamping is not needed, only the draw hook 262 needs to be pushed up, at the moment, the movable plate 261 drives the positioning rod 263 to be separated from the clamping groove, the positioning mechanism 26 is arranged to perform secondary positioning on the position of the clamped clamping frame 23, the situation that the fitting degree of the clamping frame 23 and the embedding frame 22 to the upper die 3 is reduced due to the looseness between the front end of the connecting column 251 and the clamping frame 23 is prevented.
The drag reduction mechanism 27 comprises a pressed block 271, an extrusion rod 272, an extrusion block 273, an extension block 274, drag reduction rollers 275 and a return spring 276, wherein the front end of an L-shaped groove is connected with the pressed block 271 in a front-back sliding fit manner, the extrusion rod 272 is installed at the lower end of the pressed block 271, the pressed block 271 is compressed into the L-shaped groove, the extrusion rod 272 which is synchronously retracted can extrude the rear side of the lower end of the L-shaped groove to be connected with the extension block 274 in a vertical sliding fit manner, the extension block 274 is downward connected with the extrusion block 273, so that the extension block 274 and the drag reduction rollers 275 are driven to be compressed into the L-shaped groove, the return spring 276 is connected between the L-shaped grooves and plays a role of return, the extrusion block 273 is installed at the front end of the extension block 274, the drag reduction rollers 275 are connected at the upper end of the extension block 274 through bearings, a smooth layer is laid on the inclined surface of the lower end of the extrusion rod 272, and the smooth layer is attached to the inclined surface of the extrusion block 273, the inclined plane of the extrusion block 273 is of a structure gradually inclining downwards from front to back, the arrangement of the smooth layer reduces the difficulty of descending the extrusion block 273 after extruding the inclined plane of the extrusion block 273, during specific work, the two ends of the upper die 3 are positioned in a sleeved mode through the lifting device 5, after the positioning, the clamping frame 23 is driven by the locking mechanism 25 to move backwards, so that the surface of the clamping frame 23 is contacted with the upper end of the upper die 3, abrasion is likely to be generated in the contact process, the extension block 274 and the resistance reducing roller 275 ejected by the reset spring 276 roll between the clamping frame 23 and the upper die 3 to reduce the damage, when the front side of the upper end of the upper die 3 is abutted against the compression block 271 and pushes the compression block 273 back into the L-shaped groove, the extension block 274 and the resistance reducing roller 275 are contracted into the L-shaped groove under the extrusion of the extrusion rod 272 to the extrusion block 273, at the moment, the resistance between the clamping frame 23 and the upper die 3 is increased again, and because the upper end of the upper die 3 is clamped between the clamping frame 23 and the embedding frame 22 which are moved backwards at the moment, resistance is increased, so that the clamping of the upper end of the upper die 3 is facilitated, meanwhile, a certain resistance reducing effect is achieved when the clamping frame 23 is withdrawn from the upper end of the upper die 3, the arrangement of the resistance reducing mechanism 27 reduces the abrasion of the clamping frame 23 and the upper die 3 which move relative to each other, the engagement degree is improved, and the service life is prolonged.
The driving mechanism 28 comprises a connecting cylinder 281, a linkage plate 282 and a jacking rod 283, the connecting cylinder 281 is connected between the linkage plate 282 and the upper end of the lifting block 21, the jacking rods 283 are uniformly installed at the lower end of the linkage plate 282, the jacking rods 283 vertically correspond to the connecting frame 254, and the linkage plate 282 is driven to lift through the connecting cylinder 281, so that the jacking rod 283 is driven to lift integrally.
The lifting device 5 comprises an electric slider 51, an electric lifting plate 52, a pushing cylinder 53, a placing frame 54, a combining frame 55, a movable rod 56, a limiting plate 57 and a connecting spring 58, wherein the electric slider 51 is vertically arranged at the front end of the numerical control bending machine 1, the electric lifting plate 52 is arranged between the electric sliders 51, the middle part of the electric lifting plate 52 is connected with the movable rod 56 in a sliding fit manner, the placing frame 54 is arranged at the inner end of the movable rod 56, the upper end of the placing frame 54 is connected with the combining frame 55 in a sliding fit manner, the pushing cylinder 53 is connected between the placing frame 54 and the electric lifting plate 52, the electric lifting plate 52 plays a role in electric lifting, an inner groove is formed in the outer side of the placing frame 54, the connecting spring 58 is connected between the inner groove and the limiting plate 57, the limiting plate 57 supports against the outer side of the combined frame 55 to be closed, and the connecting spring 58 plays a role in elastic resetting, the arrangement of the electric sliding block 51, the electric lifting plate 52 and the pushing cylinder 53 ensures that the placing frame 54 can move to any position, the sleeving cavity formed between the placing frame 54 and the combining frame 55 is provided, the shape of the cross section of the sleeving cavity is matched with that of the cross section of the upper half part of the upper die 3, and the two ends of the upper die 3 are stably positioned Go up mould 3 and descend and reset, it pushes away before mould 3 to drive through electric slider 51, thereby change or the inspection to last mould 3, later when reinstalling, go up mould 3 that will inspect or new and put into between rack 54, close and merge frame 55, thereby play the effect that the cover established the location to the both ends of going up mould 3, thereby it is spacing to the outside of merging frame 55 to carry out limiting plate 57 ejecting through coupling spring 58, later drive mould 3 through electric slider 51 and move backward, drive rack 54 through electric lift board 52, it rises to go up mould 3, make the latter half of the upper end of going up mould 3 and inlay frame 22 paste tightly, later fix a position last mould 3 through the screens frame 23 that moves backward.
The replacement process comprises the following steps:
step one, disassembling the upper die 3:
the position of the placing frame 54 is adjusted by the pushing cylinder 53 and the position of the electric lifting plate 52 is adjusted by the electric slider 51, so that the displaced placing frame 54 is positioned under the upper die 3, and the placing frame 54 with the exposed upper end is driven to ascend by the electric lifting plate 52, so that two ends of the upper die 3 are erected;
the linkage plate 282 and the jacking rod 283 are driven to integrally ascend through the connecting air cylinder 281, the extrusion force on the upper end of the connecting frame 254 disappears, the connecting frame 254 ascends back under the action of the built-in spring 256, the connecting column 251 is driven to reversely rotate under the meshing fit of the gear 252 and the rack 253, the clamping frame 23 is driven to move forwards and retreat, and the upper end of the upper die 3 is unlocked;
step two, replacement and inspection:
the upper die 3 is driven to descend and then push forwards through the displacement of the electric lifting plate 52 and the electric sliding block 51, and the disassembled upper die 3 is taken out for replacement or inspection;
step three, reinstallation:
a. placing the inspected or new upper die 3 between the placing frames 54, pushing the combining frame 55 inwards to enable the combining frame 55 and the placing frames 54 to be aligned and folded up and down, so that the two ends of the upper die 3 are sleeved and positioned, the outer side of the combining frame 55 is temporarily limited through the elastically-ejected limiting plate 57, and then the upper die 3 is driven to retreat and ascend through the displacement of the electric lifting plate 52 and the electric sliding block 51 until the rear half part of the upper end of the upper die 3 is tightly attached to the embedding frame 22;
b. drive linkage board 282, the whole decline of ejector rod 283 through connecting cylinder 281, decline after the link 254 upper end receives the extrusion to drive rack 253 and descend, drive gear 252 and rotate under the meshing cooperation of gear 252, rack 253, and then drive spliced pole 251 and rotate, drive screens frame 23 and move backward under screw-thread fit's effect, make screens to going up the upper end of mould 3 between screens frame 23, the embedding frame 22, the installation finishes.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a numerical control bender mould reloads auxiliary assembly, includes numerical control bender (1), mould reloads device (2), goes up mould (3), bed die (4), lifts up device (5), its characterized in that: a die replacing device (2) is installed on the upper side of the front end of the numerical control bending machine (1), an upper die (3) is installed at the lower end of the die replacing device (2), a lower die (4) is installed on the lower side of the front end of the numerical control bending machine (1), and lifting devices (5) are symmetrically installed on the left side and the right side of the front end of the numerical control bending machine (1);
the die changing device (2) comprises a lifting block (21), an embedding frame (22), a clamping frame (23), a movable block (24), a locking mechanism (25), a positioning mechanism (26), a resistance reducing mechanism (27) and a driving mechanism (28), wherein the upper end of the lifting block (21) is connected with a lifting module of the numerical control bending machine (1), the embedding frame (22) is installed at the lower end of the lifting block (21), the embedding frame (22) is connected with the movable block (24) in a sliding fit manner, the clamping frame (23) is installed at the front end of the movable block (24), the embedding frame (22) and the clamping frame (23) are connected through the locking mechanism (25), the driving mechanism (28) is installed at the rear end of the lifting block (21), an L-shaped groove is formed in the clamping frame (23), the resistance reducing mechanism (27) is installed inside the L-shaped groove, the positioning mechanism (26) is installed at the front end of the lifting block (21), the upper end of the upper die (3) is positioned between the embedding frame (22) and the clamping frame (23);
the resistance reducing mechanism (27) comprises a compression block (271), an extrusion rod (272), an extrusion block (273), an extension block (274), a resistance reducing roller (275) and a return spring (276), wherein the front end of an L-shaped groove is connected with the compression block (271) in a front-back sliding fit manner, the extrusion rod (272) is installed at the lower end of the compression block (271), the rear side of the lower end of the L-shaped groove is connected with the extension block (274) in a vertical sliding fit manner, the return spring (276) is connected between the extension block (274) and the L-shaped groove, the extrusion block (273) is installed at the front end of the extension block (274), and the upper end of the extension block (274) is connected with the resistance reducing roller (275) through a bearing;
the lifting device (5) comprises an electric slider (51), an electric lifting plate (52), a pushing cylinder (53), a placing frame (54), a combining frame (55), a movable rod (56), a limiting plate (57) and a connecting spring (58), the electric slider (51) is vertically arranged at the front end of the numerical control bending machine (1), and be provided with between electronic slider (51) electric lift board (52), be connected for sliding fit between the middle part of electric lift board (52) and movable rod (56), rack (54) are installed to the inner of movable rod (56), the upper end of rack (54) is connected with merge frame (55) through sliding fit's mode, be connected with between rack (54) and electric lift board (52) and promote cylinder (53), the inner groovy has been seted up in the outside of rack (54), be connected with between inner groovy and limiting plate (57) connecting spring (58).
2. The die replacement auxiliary device for the numerical control bending machine according to claim 1, wherein: locking mechanical system (25) including spliced pole (251), gear (252), rack (253), link (254), slider (255) and built-in spring (256), the left and right sides both ends of embedding frame (22) are passed through the bearing and are connected with the middle part of spliced pole (251), gear (252) are installed to the rear end of spliced pole (251), gear (252) mesh with rack (253), rack (253) are installed on the lateral wall of link (254), slider (255) are installed to the front end of link (254), be connected for sliding fit from top to bottom between slider (255) and embedding frame (22), and be connected with built-in spring (256) between slider (255) and embedding frame (22), the screw hole has been seted up to the left and right sides both ends symmetry of screens frame (23), the screw hole is connected for screw-thread fit with the front end of spliced pole (251).
3. The die replacement auxiliary device for the numerical control bending machine according to claim 1, wherein: positioning mechanism (26) include fly leaf (261), drag hook (262) and locating lever (263), be sliding fit connection from top to bottom between fly leaf (261) and lift piece (21), drag hook (262) are installed to the upper end of fly leaf (261), locating lever (263) are evenly installed to the lower extreme of fly leaf (261).
4. The die replacement auxiliary device for the numerical control bending machine according to claim 3, wherein: the clamping frame (23) is provided with a clamping groove, and the lower end of the positioning rod (263) at the initial position is embedded in the clamping groove.
5. The die replacement auxiliary device for the numerical control bending machine according to claim 1, wherein: the lower extreme inclined plane of extrusion pole (272) laid smooth layer, smooth layer and the inclined plane of extrusion piece (273) are laminated mutually, the inclined plane of extrusion piece (273) is the structure of slope down gradually from the past backward.
6. The die replacement auxiliary device for the numerical control bending machine according to claim 2, wherein: the driving mechanism (28) comprises a connecting cylinder (281), a linkage plate (282) and a jacking rod (283), the connecting cylinder (281) is connected between the linkage plate (282) and the upper end of the lifting block (21), the jacking rod (283) is uniformly installed at the lower end of the linkage plate (282), and the jacking rod (283) and the connecting frame (254) are vertically corresponding to each other.
7. The die replacement auxiliary device for the numerical control bending machine according to claim 1, wherein: a sleeving cavity is formed between the placing frame (54) and the combining frame (55), and the shape of the cross section of the sleeving cavity is matched with that of the cross section of the upper half part of the upper die (3).
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| CN202111237560.5A CN113814297B (en) | 2021-10-21 | 2021-10-21 | Numerical control bender mould auxiliary assembly that reloads |
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| CN202111237560.5A CN113814297B (en) | 2021-10-21 | 2021-10-21 | Numerical control bender mould auxiliary assembly that reloads |
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| CN113814297A true CN113814297A (en) | 2021-12-21 |
| CN113814297B CN113814297B (en) | 2022-05-31 |
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| CN202111237560.5A Expired - Fee Related CN113814297B (en) | 2021-10-21 | 2021-10-21 | Numerical control bender mould auxiliary assembly that reloads |
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| CN104190788A (en) * | 2014-07-14 | 2014-12-10 | 上海爱葛尼机床有限公司 | Quick clamping device for quick mold replacement of bending machine |
| KR101808224B1 (en) * | 2017-07-27 | 2018-01-18 | 주식회사 일우산업기계 | A replacement device of Bending brade for Bending machine |
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| CN209110017U (en) * | 2018-08-23 | 2019-07-16 | 安徽哈科数控机床制造有限公司 | A kind of fast fixture for mould and its bending machine |
| CN111531034A (en) * | 2020-05-09 | 2020-08-14 | 汪煜 | Linkage type stamping die |
| CN112985036A (en) * | 2021-02-07 | 2021-06-18 | 江西胜美合成材料有限公司 | Chemical mesh belt dryer |
| CN213856457U (en) * | 2020-11-10 | 2021-08-03 | 广州市永达金属制品有限公司 | Stainless steel numerical control equipment of bending |
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2021
- 2021-10-21 CN CN202111237560.5A patent/CN113814297B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003230915A (en) * | 2002-02-12 | 2003-08-19 | Amada Co Ltd | Die replacing device |
| CN102794341A (en) * | 2012-08-23 | 2012-11-28 | 常州市西夏墅工具研究所有限公司 | Double-sided fast middle plate |
| CN104190788A (en) * | 2014-07-14 | 2014-12-10 | 上海爱葛尼机床有限公司 | Quick clamping device for quick mold replacement of bending machine |
| KR101808224B1 (en) * | 2017-07-27 | 2018-01-18 | 주식회사 일우산업기계 | A replacement device of Bending brade for Bending machine |
| CN207724281U (en) * | 2018-01-22 | 2018-08-14 | 陈昂 | Engineering pipe fitting rack that is a kind of easy to remove and adjusting |
| CN209110017U (en) * | 2018-08-23 | 2019-07-16 | 安徽哈科数控机床制造有限公司 | A kind of fast fixture for mould and its bending machine |
| CN111531034A (en) * | 2020-05-09 | 2020-08-14 | 汪煜 | Linkage type stamping die |
| CN213856457U (en) * | 2020-11-10 | 2021-08-03 | 广州市永达金属制品有限公司 | Stainless steel numerical control equipment of bending |
| CN112985036A (en) * | 2021-02-07 | 2021-06-18 | 江西胜美合成材料有限公司 | Chemical mesh belt dryer |
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| Publication number | Publication date |
|---|---|
| CN113814297B (en) | 2022-05-31 |
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