CN112958719A

CN112958719A - Bending head for hardware processing machine

Info

Publication number: CN112958719A
Application number: CN202110118715.7A
Authority: CN
Inventors: 俞文君
Original assignee: Xinchang Yunjing Intelligent Technology Co ltd
Current assignee: Shenzhen Longxinfa Precision Hardware Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-06-15
Anticipated expiration: 2041-01-28
Also published as: CN112958719B

Abstract

The invention discloses a bending head for hardware processing machinery, and relates to the technical field of hardware processing. This hardware processing machinery is with bending head is including installation piece, connecting block and two clamp splices, installation piece top is fixed, two bottom the connecting block the clamp splice is fixed at the connecting block top, the shape of clamp splice is the semi-cylindrical setting, and two one side that the clamp splice is close is the rectangular surface, the inside sky of drawing of clamp splice has activity round hole and external intercommunication. This hardware processing machinery is bending head for machinery, when there is the stereoplasm steel wire between two clamp splices, actuating mechanism can control magnetism drive mechanism and remove under the effect of stereoplasm steel wire, under magnetism drive mechanism's effect, the iron fillings that the collection piece can be to the clamp splice both sides are collected to the iron fillings that the collection piece was collected can be through discharge channel discharge clamp splice, and then prevent that the iron fillings that the stereoplasm steel wire bending in-process produced from adsorbing the bending that produces the elbow on the clamp splice from influencing.

Description

Bending head for hardware processing machine

Technical Field

The invention relates to the technical field of hardware processing, in particular to a bending head for hardware processing machinery.

Background

The hardware processing is to process raw materials into various parts according to the drawing or sample of a customer by using machines such as a lathe, a milling machine, a drilling machine, polishing and the like, wherein the machining comprises the following steps: screw, motor shaft, model car part, fishing tackle accessory, audio amplifier class product shell, portable power source shell etc. hardware processing flow just cuts the material according to production needs, cuts some for little accessory production after good and just can go the punch press and then gong surely or CNC processing, this is very much in the aspect of glasses accessory, auto-parts production. And the container is made as follows: namely, the material cutting punch is used for welding, sanding is carried out, oil spraying is carried out, and then accessories are assembled to obtain the finished product. And for small hardware parts, a lot of surface treatment after grinding, electroplating or oil spraying is needed. And then welding or screwing the assembly package for shipment.

In the existing hardware processing process, a part of hard steel wires need to be bent, for example, in the production of springs in special shapes, in hardware processing machinery for bending, a bending head is an essential important component, the shape of the bending head is usually two clamping blocks fixed on one side of a cylindrical mounting block, the other side of the cylindrical mounting block is connected with a driving device, the driving device drives the mounting block and the clamping blocks to rotate, and the hard steel wires between the two clamping blocks can be bent in the rotating process of the clamping blocks. However, in the bending process, two sides of each clamping block are always in contact with and rub against the hard steel wire, weak magnetism can be carried by two sides of each clamping block when the clamping blocks are used for a long time, a small amount of scrap iron can be generated at the bending position of the hard steel wire in the bending process, the scrap iron can be accumulated between the two clamping blocks under the action of the magnetism, and the hard steel wire can be extruded at the bending point of the hard steel wire in the bending process after being accumulated for a long time, so that the concave indentation of the bending point of the hard steel wire is caused, the attractiveness is reduced, defective goods are easy to occur when precision parts are produced, and certain defects exist.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a bending head for hardware processing machinery, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a bending head for hardware processing machinery comprises an installation block, a connecting block and two clamping blocks, wherein the top of the installation block is fixed with the bottom of the connecting block, the two clamping blocks are fixed at the top of the connecting block, the clamping blocks are in semi-cylindrical arrangement, one sides of the two clamping blocks close to each other are rectangular surfaces, movable round holes are hollowed in the clamping blocks, one sides of the movable round holes close to the rectangular surfaces of the clamping blocks are communicated with the outside, a driving mechanism is arranged in each movable round hole, two sides of the driving mechanism are connected with magnetic transmission mechanisms, the two groups of magnetic transmission mechanisms are respectively arranged in the two transmission bins, the transmission bins are arranged in the clamping blocks and are communicated with one end of an air pressure channel, the other end of the air pressure channel is communicated with the inside of a collection block, the collection block is fixedly embedded on the rectangular surfaces of the clamping blocks, and is communicated with the outside through a discharge channel, one end of the discharge channel, which is far away from the collecting block, is positioned on the surface of the arc-shaped surface of the clamping block.

Preferably, actuating mechanism includes turning block, drive block, driving plate and release link, the turning block rotates and installs inside the round hole that moves about, the drive block is crescent, the turning block both sides are fixed with two drive block indent sides respectively, are close to the convex side of drive block of clamp splice rectangular surface is fixed with drive plate one end, the driving plate other end is located the clamp splice outside, is close to the convex side of drive block of clamp splice arcwall face is fixed with release link one end, the release link other end passes through spring and activity round hole internal connection.

Preferably, magnetism drive mechanism includes transfer line, bar magnet one and bar magnet two, transfer line one end and drive block side sliding connection, the other end is fixed with bar magnet one, bar magnet one passes through spring and transmission storehouse internal connection, bar magnet two sets up in one side that bar magnet one is close to the clamp splice rectangular surface, and is the vertical state between bar magnet one and the bar magnet two, bar magnet two closely laminates with the atmospheric pressure passageway inner wall, bar magnet one is kept away from transfer line one end magnetic pole and bar magnet two and is close to bar magnet one end magnetic pole the same.

Preferentially, it has cavity one and cavity two to draw the sky inside the collection piece, separate through the interlayer between cavity one and the cavity two, cavity one communicates with atmospheric pressure passageway, two one sides of cavity communicate with discharge material passageway, cavity one side and external intercommunication are kept away from to cavity two, the interlayer includes hard layer, soft deformation layer one, soft deformation layer two and soft deformation layer three, hard layer is fixed inside the collection piece, soft deformation layer one, soft deformation layer two and soft deformation layer three are all inlayed on hard layer, soft deformation layer one is located hard layer and collection piece inner wall junction, soft deformation layer three is located hard layer center department, soft deformation layer two is located soft deformation layer one and soft deformation between the layer three.

Preferably, soft deformation layer two is close to cavity one side center department and the laminating of push rod one end, the push rod other end is fixed with the rotation strip, rotation strip center department rotates and installs inside cavity one, rotation strip extreme department is articulated with connecting rod one end, the connecting rod other end is articulated with spherical stopper, spherical stopper one side closely laminates with the collection piece inner wall, and opposite side and rotor plate sliding connection just closely laminate with the rotor plate, the rotor plate rotates and installs on hard layer, hard layer one side and piston swing joint are kept away from to the rotor plate, the piston closely laminates with the pipeline inner wall of fixing on hard layer, the piston is close to two one sides of cavity and is leveled with hard layer.

Preferably, two soft deformation layers keep away from inside a plurality of elliptical holes of having seted up in discharge passageway one side, the distance that two soft deformation layers are located between one inside one side of cavity and the elliptical hole is greater than two soft deformation layers and is located the distance between two inside one sides of cavity and the elliptical hole, the elliptical hole is fixed with the ejector pin both ends respectively with two soft deformation layer both sides distance nearest.

(III) advantageous effects

The invention provides a bending head for hardware processing machinery. The method has the following beneficial effects:

(1) this hardware processing machinery is with bending head, when there being the stereoplasm steel wire between two clamp splices, actuating mechanism can control magnetism drive mechanism and remove under the effect of stereoplasm steel wire, under magnetism drive mechanism's effect, the iron fillings that the clamp splices both sides can be collected to the collection piece to the iron fillings that the collection piece was collected can be through discharge channel discharge clamp splice, and then prevent that the iron fillings that the stereoplasm steel wire produced from bending from adsorbing the bending of fifty percent discount elbow on the clamp splice and producing the influence.

(2) This metal processing machinery is with bending head, when passing the stereoplasm steel wire between two clamp splices, the steel wire can promote the driving plate and the turning block rotates, and then makes the driving block of crescent form can control magnetism drive mechanism to reach the thrust that utilizes the stereoplasm steel wire and control magnetism drive mechanism effect, and set up the release link and can reset driving plate, driving block and turning block, in order to realize this bending head's used repeatedly.

(3) This hardware processing is bending head for machinery, it can make two removals of bar magnet to remove through bar magnet among the magnetism drive mechanism to two bar magnet can increase when being close to the collection piece and collect the inside magnetic field magnetic force size of piece, and make this magnetic force be greater than the magnetic force of clamp splice to iron fillings, and then make and collect the iron fillings that the piece can be to the clamp splice both sides and collect, ensured that the collection piece can be to the iron fillings that adsorb on the clamp splice surface.

(4) This hardware and hardware processing machinery is with dog-ear, collect the inside soft deformation layer one of piece and soft deformation layer three can take place deformation at bar magnet two removal in-process, and bar magnet two is close to when collecting the piece soft deformation layer one and soft deformation layer three archs, bar magnet two keep away from when collecting the piece soft deformation layer one and soft deformation layer three and hard layer are equal, thereby can change the position of iron fillings when collecting the piece and collecting the iron fillings, can discharge the clamp splice through the discharge passage in order to ensure to collect the inside iron fillings of piece.

(5) This metal working is bending head for machinery, at two removal in-process of bar magnet, the push rod can promote two deformations in soft deformation layer, and two archs in soft deformation layer when two keeping away from the collection piece of bar magnet, two soft deformation layer when being close to the collection piece of bar magnet are level with the stereoplasm layer, thereby make the iron fillings that the collection piece was collected be located two surfaces in soft deformation layer, and two deformations in soft deformation layer after finishing collecting can push iron fillings to discharge material passageway, play the promotion effect with the discharge to iron fillings.

(6) This hardware processing machinery is with dog-ear, two inside ejector pins in soft deformation layer can promote two one sides in soft deformation layer at two deformation in-process in soft deformation layer to can make two these side archs in soft deformation layer, and then improve the promotion effect of two pairs of iron fillings in soft deformation layer.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a top cut-away view of a clamp block of the present invention;

FIG. 3 is a cut-away view of a collection block of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3 according to the present invention;

FIG. 5 is a cross-sectional view of the second soft deformable layer of the present invention.

In the figure: the device comprises a mounting block 1, a connecting block 2, a clamping block 3, a movable circular hole 31, a driving mechanism 32, a rotating block 321, a driving block 322, a driving sheet 323, a reset rod 324, a magnetic transmission mechanism 33, a transmission rod 331, a first strip magnet 332, a second strip magnet 333, a transmission bin 34, a 35 air pressure channel, a 36 collecting block, a first cavity 361, a second cavity 362, an interlayer 363, a hard layer 3631, a first soft deformation layer 3632, a second soft deformation layer 3633, an elliptical hole a1, an ejector rod a2, a third soft deformation layer 3634, a push rod 364, a rotating strip 365, a connecting rod 366, a 367 spherical plug 368, a rotating plate 369 piston, a 3610 pipeline and a discharge channel 37.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a bending head for hardware processing machinery comprises an installation block 1, a connecting block 2 and two clamping blocks 3, wherein the top of the installation block 1 is fixed with the bottom of the connecting block 2, the two clamping blocks 3 are fixed on the top of the connecting block 2, the clamping blocks 3 are in semi-cylindrical arrangement, one sides of the two clamping blocks 3 close to each other are rectangular surfaces, movable round holes 31 are hollowed in the clamping blocks 3, one sides of the movable round holes 31 close to the rectangular surfaces of the clamping blocks 3 are communicated with the outside, driving mechanisms 32 are arranged in the movable round holes 31, two sides of each driving mechanism 32 are connected with magnetic transmission mechanisms 33, two groups of magnetic transmission mechanisms 33 are respectively arranged in two transmission bins 34, the transmission bins 34 are arranged in the clamping blocks 3, the transmission bins 34 are communicated with one end of an air pressure channel 35, the other end of the air pressure channel 35 is communicated with the inside of a collection block 36, the collection block 36 is embedded and fixed on the rectangular surfaces of the clamping blocks 3, discharging channel 37 keeps away from and collects 36 one end of piece and is located the arcwall face surface of clamp splice 3, when there is the stereoplasm steel wire between two clamp splices 3, actuating mechanism 32 can control magnetism drive mechanism 33 under the effect of stereoplasm steel wire and remove, under the effect of magnetism drive mechanism 33, collect piece 36 and can collect the iron fillings of clamp splice 3 both sides, and the iron fillings of collecting 36 collection can be through discharging channel 37 discharge clamp splice 3, and then prevent that the iron fillings that the stereoplasm steel wire produced from bending from adsorbing the bending production influence of fifty percent discount elbow on clamp splice 3.

Preferably, in this embodiment, in order to drive the magnetic transmission mechanism 33 to move by using the thrust of the hard steel wire, the driving mechanism 32 includes a rotating block 321, a driving block 322, a driving plate 323 and a reset rod 324, the rotating block 321 is rotatably installed inside the movable circular hole 31, the driving block 322 is in a crescent shape, two sides of the rotating block 321 are respectively fixed with the concave sides of the two driving blocks 322, the convex side of the driving block 322 close to the rectangular surface of the clamping block 3 is fixed with one end of the driving plate 323, the other end of the driving plate 323 is located outside the clamping block 3, the convex side of the driving block 322 close to the arc surface of the clamping block 3 is fixed with one end of the reset rod 324, and the other end of the reset rod 324 is connected with the inside of the movable.

Preferably, in this embodiment, in order to drive the collecting block 36 to collect the iron filings through the magnetic transmission mechanism 33, the magnetic transmission mechanism 33 includes a transmission rod 331, a first bar magnet 332 and a second bar magnet 333, one end of the transmission rod 331 is slidably connected with the side surface of the driving block 322, the other end of the transmission rod 331 is fixed with the first bar magnet 332, the first bar magnet 332 is connected with the inside of the transmission bin 34 through a spring, the second bar magnet 333 is disposed on one side of the first bar magnet 332 close to the rectangular surface of the clamping block 3, the first bar magnet 332 and the second bar magnet 333 are in a vertical state, the second bar magnet 333 is closely attached to the inner wall of the air pressure channel 35, and a magnetic pole of the first bar magnet 332 far away from the transmission rod 331 is the same as a magnetic pole of.

Preferably, in this embodiment, in order to guide the position of the iron filings collected by the collection block 36 to promote the iron filings to be separated from the collection block 36, the collection block 36 is hollowed with a first cavity 361 and a second cavity 362, the first cavity 361 and the second cavity 362 are separated by an isolation layer 363, the first cavity 361 is communicated with the air pressure channel 35, one side of the second cavity 362 is communicated with the discharge channel 37, one side of the second cavity 362 away from the first cavity 361 is communicated with the outside, the isolation layer 363 comprises a hard layer 3631 and a soft deformation layer 3632, the second soft deformation layer 3633 and the third soft deformation layer 3634 are fixed inside the collecting block 36, the first soft deformation layer 3632, the second soft deformation layer 3633 and the third soft deformation layer 3634 are all embedded on the hard layer 3631, the first soft deformation layer 3632 is located at the connecting position of the hard layer 3631 and the inner wall of the collecting block 36, the third soft deformation layer 3634 is located at the center of the hard layer 3631, and the second soft deformation layer 3633 is located between the first soft deformation layer 3632 and the third soft deformation layer 3634.

Preferably, in this embodiment, in order to promote the iron filings inside the collection block 36 to be separated from the collection block 36, the center of the soft deformation layer two 3633 near the side of the first cavity 361 is attached to one end of the push rod 364, the other end of the push rod 364 is fixed to the rotation bar 365, the center of the rotation bar 365 is rotatably installed inside the first cavity 361, the end point of the rotation bar 365 is hinged to one end of the connecting rod 366, the other end of the connecting rod 366 is hinged to the spherical plug 367, one side of the spherical plug 367 is closely attached to the inner wall of the collection block 36, the other side of the spherical plug 367 is slidably connected to the rotation plate 368 and closely attached to the rotation plate 368, the rotation plate 368 is rotatably installed on the hard layer 3631, the side of the rotation plate 368 away from the hard layer 3631 is movably connected to the piston 369, the piston 369 is closely attached to the inner wall of the pipe 36.

Preferably, in this embodiment, in order to further enhance the pushing effect of the second soft deformation layer 3633 on the iron filings, a plurality of elliptical holes a1 are formed inside the side of the second soft deformation layer 3633 away from the material discharging channel 37, a distance between one side of the second soft deformation layer 3633 located inside the first cavity 361 and the elliptical hole a1 is greater than a distance between one side of the second soft deformation layer 3633 located inside the second cavity 362 and the elliptical hole a1, and the nearest distance between the elliptical hole a1 and two sides of the second soft deformation layer 3633 is respectively fixed to two ends of the ejector rod a 2.

The working principle is as follows: when the two clamping blocks 3 pass through the hard steel wire, the hard steel wire can push the driving sheet 323, the rotating block 321 and the driving block 322 to rotate, the driving block 322 can push the transmission rod 331 and the bar magnet I332 to move due to the shape particularity in the rotating process until the other magnetic pole of the bar magnet I332 is close to the bar magnet II 333, at the moment, the repulsive force between the bar magnet II 333 and the bar magnet I332 enables the bar magnet II 333 to move towards the direction far away from the bar magnet I332, the bar magnet II 333 is close to the collecting block 36, and the magnetic force of the magnetic field in the collecting block 36 is increased. During bending, the driving device is used for driving the mounting block 1 to rotate, the hard steel wire between the two clamping blocks 3 can be bent under the action of the clamping blocks 3, and scrap iron generated in the bending process of the hard steel wire enters a second cavity 362 in the collecting block 36 under the action of a magnetic field in the collecting block 36; in the moving process of the second bar magnet 333, the gas in the gas pressure channel 35 enters the first cavity 361 in the collection block 36, under the action of the gas pressure, the first soft deformation layer 3632 and the third soft deformation layer 3634 are both in convex deformation, then the spherical plug 367 pushes the rotating plate 368 to rotate under the action of the gas pressure, the rotating plate 368 pushes the piston 369 to move to ensure that the gas pressure in the first cavity 361 pushes the spherical plug 367 to move, the rotating strip 365 is rotated through the connecting rod 366 in the moving process of the spherical plug 367, in the attached drawing 3, the two rotating strips 365 are both rotated clockwise, the rotating strip 365 enables the push rod 364 to be separated from the second soft deformation layer 3633 to enable the second soft deformation layer 3633 to be level with the hard layer 3631, and most iron chips are concentrated on the surface of the second soft deformation layer 3633 because the first soft deformation layer 3632 and the third soft deformation layer 3634 are both convex; after bending is completed, the hard steel wire is separated from the clamping block 3, the driving mechanism 32 and the magnetic transmission mechanism 33 are reset under the action of the spring, the magnetic force of a magnetic field in the collecting block 36 is reduced, the air pressure in the cavity I361 is also reduced, the soft deformation layer I3632 and the soft deformation layer III 3634 are reset to be level with the hard layer 3631, the spherical plug 367, the rotating plate 368, the piston 369, the connecting rod 366, the rotating strip 365 and the push rod 364 are reset, the soft deformation layer II 3633 is pushed to be convex and deformed in the resetting process of the push rod 364, the elliptical hole a1 is extruded in the deformation process of the soft deformation layer II 3633, the distance between one side of the soft deformation layer II 3633 in the cavity I361 and the elliptical hole a1 is larger than the distance between one side of the soft deformation layer II 3633 in the cavity II 362 and the elliptical hole a1, so that one side of the soft deformation layer II 3633 in the cavity II 362 is convex by the push rod 35a 2 and is ejected out in the, because the push rod 364 pushes the second soft deformation layer 3633 to deform from right to left, the deformation of the second soft deformation layer 3633 pushes the iron filings on the surface to move, and the moving direction of the iron filings is the direction close to the material discharge channel 37, under the continuous bending operation, the first soft deformation layer 3632, the second soft deformation layer 3633 and the third soft deformation layer 3634 continuously deform and reset, the iron filings on the surface of the first soft deformation layer 3632 and the third soft deformation layer 3634 are moved due to the deformation of the first soft deformation layer 3632 and the third soft deformation layer 3634, and the iron filings in the second cavity 362 are pushed to the material discharge channel 37 by the first soft deformation layer 3632, the second soft deformation layer 3633 and the third soft deformation layer 3634 to be discharged out of the clamp block 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hardware processing machinery is with dog-ear, includes installation piece (1), connecting block (2) and two clamp splice (3), its characterized in that: the mounting block (1) top is fixed with the connecting block (2) bottom, two the clamp splice (3) is fixed at the connecting block (2) top, the shape of clamp splice (3) is the semi-cylindrical setting, and two the close one side of clamp splice (3) is the rectangular surface, clamp splice (3) inside is drawn empty and is had activity round hole (31) and activity round hole (31) are close to clamp splice (3) rectangular surface one side and external intercommunication, activity round hole (31) inside is provided with actuating mechanism (32), actuating mechanism (32) both sides all are connected with magnetism drive mechanism (33), two sets of magnetism drive mechanism (33) set up respectively inside two transmission storehouses (34), transmission storehouse (34) are seted up inside clamp splice (3), transmission storehouse (34) and atmospheric pressure passageway (35) one end intercommunication, the atmospheric pressure passageway (35) other end and the collection piece (36) inside intercommunication, the collecting block (36) is embedded and fixed on the rectangular surface of the clamping block (3), the collecting block (36) is communicated with the outside through a discharging channel (37), and one end, far away from the collecting block (36), of the discharging channel (37) is located on the surface of the arc surface of the clamping block (3).

2. The bending head for hardware processing machinery according to claim 1, characterized in that: actuating mechanism (32) include turning block (321), driving block (322), driving plate (323) and release link (324), turning block (321) rotate and install inside activity round hole (31), driving block (322) are the crescent, turning block (321) both sides are fixed with two driving block (322) indent sides respectively, are close to driving block (322) evagination side of clamp splice (3) rectangular surface is fixed with driving plate (323) one end, driving plate (323) other end is located clamp splice (3) outside, is close to driving block (322) evagination side and release link (324) one end of clamp splice (3) arcwall face are fixed, release link (324) other end passes through spring and activity round hole (31) internal connection.

3. The bending head for hardware processing machinery according to claim 1, characterized in that: magnetism drive mechanism (33) are including transfer line (331), bar magnet (332) and bar magnet two (333), transfer line (331) one end and drive block (322) side sliding connection, the other end is fixed with bar magnet (332), bar magnet (332) pass through spring and transmission storehouse (34) internal connection, bar magnet two (333) set up in bar magnet one (332) and are close to the one side of clamp splice (3) rectangular surface, and be vertical state between bar magnet (332) and bar magnet two (333), bar magnet two (333) and atmospheric pressure passageway (35) inner wall closely laminate, bar magnet one (332) are kept away from transfer line (331) one end magnetic pole and bar magnet two (333) and are close to bar magnet one (332) one end magnetic pole the same.

4. The bending head for hardware processing machinery according to claim 1, characterized in that: the collecting block (36) is internally hollowed with a first cavity (361) and a second cavity (362), the first cavity (361) and the second cavity (362) are separated by an interlayer (363), the first cavity (361) is communicated with an air pressure channel (35), one side of the second cavity (362) is communicated with a discharge channel (37), one side, far away from the first cavity (361), of the second cavity (362) is communicated with the outside, the interlayer (363) comprises a hard layer (3631), a soft deformation layer I (3632), a soft deformation layer II (3633) and a soft deformation layer III (3634), the hard layer (3631) is fixed inside the collecting block (36), the soft deformation layer I (3632), the soft deformation layer II (3633) and the soft deformation layer III (3634) are embedded in the hard layer (3631), and the soft deformation layer I (3632) is located at the connection position of the hard layer (3631) and the inner wall of the collecting block (36), the third soft deformation layer (3634) is positioned at the center of the hard layer (3631), and the second soft deformation layer (3633) is positioned between the first soft deformation layer (3632) and the third soft deformation layer (3634).

5. The bending head for hardware processing machinery according to claim 4, characterized in that: the second soft deformation layer (3633) is attached to one end of the push rod (364) near the center of one side of the first cavity (361), the other end of the push rod (364) is fixed with a rotating bar (365), the center of the rotating bar (365) is rotatably arranged in the first cavity (361), the end point of the rotating strip (365) is hinged with one end of a connecting rod (366), the other end of the connecting rod (366) is hinged with a spherical plug (367), one side of the spherical plug (367) is tightly attached to the inner wall of the collecting block (36), the other side of the spherical plug is connected with the rotating plate (368) in a sliding way and is tightly attached to the rotating plate (368), the rotating plate (368) is rotatably arranged on the hard layer (3631), one side of the rotating plate (368), which is far away from the hard layer (3631), is movably connected with the piston (369), the piston (369) is tightly attached to the inner wall of the pipeline (3610) fixed on the hard layer (3631), one side of the piston (369) close to the second cavity (362) is flush with the hard layer (3631).

6. The bending head for hardware processing machinery according to claim 4, characterized in that: a plurality of elliptical holes (a1) are formed in one side, away from the material discharging channel (37), of the second soft deformation layer (3633), the distance between one side, located inside the first cavity (361), of the second soft deformation layer (3633) and the elliptical holes (a1) is larger than the distance between one side, located inside the second cavity (362), of the second soft deformation layer (3633) and the elliptical holes (a1), and the two sides, located nearest to the second elliptical holes (a1) and the two sides of the second soft deformation layer (3633), of the second soft deformation layer are fixed to two ends of the ejector rod (a2) respectively.