CN120001898A

CN120001898A - An automatic stamping and bending device for automobile parts

Info

Publication number: CN120001898A
Application number: CN202510488923.4A
Authority: CN
Inventors: 王旭梅; 杜明泽; 王晓林; 刘建成; 秦磊
Original assignee: Yantai Yizhong Intelligent Technology Co ltd
Current assignee: Yantai Yizhong Intelligent Technology Co ltd
Priority date: 2025-04-18
Filing date: 2025-04-18
Publication date: 2025-05-16

Abstract

The present invention discloses an automated stamping and bending device for automobile parts, which relates to the field of stamping equipment, and includes a frame, a lower die, an upper die, a material coil placement rack, a conveying box, a supporting rod, and a stripping rod. The material coil placement rack supports the material coil and unwinds it into a straight material strip, and the end cutting piece cuts it into a metal plate. The vertical moving assembly and the horizontal moving assembly in the conveying box cooperate to receive the metal plate and deliver the metal plate to the top of the lower die. The supporting rod is arranged along the circumference of the lower die, and the positioning blocks above the multiple supporting rods are combined to form a limiting opening. The metal plate stays in the limiting opening, and the supporting rod is lowered to place the metal plate above the lower die. The stripping rod is located on the inner side of the lower die. After the stamping and bending is completed, it is lifted to push the part out of the lower die, thereby improving the utilization rate of the metal raw materials in the stamping process while realizing automated continuous processing.

Description

Automatic stamping and bending device for automobile parts

Technical Field

The invention relates to the field of stamping equipment, in particular to an automatic stamping and bending device for automobile accessories.

Background

Stamping bending is a common metal cold working mode, and a stamping device is mainly used for applying pressure to a metal plate to enable the metal plate to be subjected to plastic deformation or separation so as to obtain a finished product or a semi-finished product part. The medium-pressure machining has high production efficiency, and can finish machining of one part in one stroke, so that the medium-pressure machining is widely applied to the production and machining of various parts.

Stamping device also falls into automation and semi-automatization, and wherein semi-automatization stamping device's material loading and unloading process need operating personnel to assist, and automatic stamping device can realize automatic material loading and unloading basically, and production efficiency is higher relatively, and related art can refer to the chinese patent application of publication No. CN118719929a and disclose a continuous stamping device and continuous stamping method, through combining the processing part, can fix a position the work piece fast, simplifies the structure. The device comprises a lower die provided with a waste tank; the upper die is provided with a side blade and a positioning punch rod, the lower die is provided with a corresponding positioning hole, the positioning punch rod and the positioning hole are matched to enable the workpiece to be punched with the positioning hole, and the upper die is used for being matched with the lower die to cut the workpiece; a conveying line arranged on the lower die; the guide mechanism comprises a plurality of first buoyancy pins, a plurality of second buoyancy pins and a third buoyancy pin, wherein the first buoyancy pins and the second buoyancy pins are sequentially arranged on one side of the conveying line, the third buoyancy pin is arranged on the other side of the conveying line, the punching mechanism comprises a support and a punching machine, the support is arranged on the upper die, the punching machine is arranged on the support, and the punching machine is used for processing positioning holes.

In view of the above related art, in the processing procedure, the workpiece needs to be bent and cut off and blanked in steps, in order to achieve continuity of the conveying procedure, a single workpiece needs to be kept connected with the material belt when being bent, and in order to avoid the impact of the workpiece being punched on the workpiece to be punched in the punching and bending procedure, a notch needs to be punched between two adjacent workpieces between bending procedures, so that the side edge of the workpiece needs to be bent is lifted and separated from the material belt. In the process, two parts of waste materials are generated on the material belt, one part of waste materials are blanking materials formed during cutting of the notch, the other part of waste materials are used for connecting the side edges of the workpiece, the waste materials generated in the production process are difficult to realize reprocessing and utilization, and raw materials are easy to waste.

Disclosure of Invention

In order to improve the utilization rate of metal raw materials in the stamping process, the application provides an automatic stamping and bending device for automobile parts.

The application provides an automatic stamping and bending device for automobile parts, which adopts the following technical scheme:

The automatic stamping and bending device for the automobile parts comprises a frame, a material roll placing frame, a cutting piece, a cutting device and a pressing device, wherein a lower die is fixedly arranged on the frame, an upper die vertically and reciprocally moves is arranged on the frame, the upper die is opposite to the lower die, the material roll placing frame is positioned on one side of the frame and used for supporting a material roll and driving the material roll to continuously unreel towards the frame to form a straight material belt, and the tail end of the material roll placing frame is provided with the cutting piece for cutting the material belt into uniform metal plates;

The conveying box is positioned at the tail end of the material roll placing frame, the material strips enter the conveying box from the upper end of the conveying box and are cut by the cutting piece, a vertical moving assembly and a transverse moving assembly are arranged in the conveying box, the vertical moving assembly is used for driving a metal plate separated from the material strips to move at a uniform speed along the vertical direction, the transverse moving assembly is positioned at the tail end of the vertical moving assembly, the metal plate falls into the transverse moving assembly under the action of gravity after moving to the lower end of the vertical moving assembly, and the transverse moving assembly conveys the metal plate to the position right above the lower die after receiving the metal plate;

The supporting rods are arranged along the circumferential direction of the lower die and reciprocate along the vertical direction of the upper die, positioning blocks are fixedly arranged at the upper ends of the supporting rods, all the positioning blocks are matched to form a limiting opening matched with the metal plate, when the traversing assembly drives the metal plate to move to the position above the lower die, the metal plate is positioned in the limiting opening and contacts with the upper end surface of the positioning block, and when the traversing assembly resets, the metal plate stays in the limiting opening;

And the stripping rod is positioned at the inner side of the lower die and is in sliding connection with the lower die along the vertical direction, and after the metal plate is stamped and bent, the stripping rod is lifted and pushes the part to be separated from the lower die.

Through adopting above-mentioned technical scheme, the material rolls rack bearing material rolls, and drive the material rolls to the delivery casing unreels, after the material rolls stretches into the material area, cut the piece and cut the material area, and then obtain independent metal sheet, the metal sheet breaks away from the material and falls into under the effect of gravity and erects and move in moving the subassembly, and it moves the subassembly to erect to move the drive of subassembly to the sideslip, it moves the subassembly to erect to move the effect of gravity back under moving the subassembly to the metal sheet, and enter into sideslip subassembly top, the sideslip subassembly accepts the metal sheet, and carry the metal sheet to the lower mould top steadily, under the initial state, the locating piece of all bearing rod upper ends all is located the lower mould top, the spacing mouth that forms between all locating pieces is in this moment and the metal sheet size adaptation, make the metal sheet locating piece top fall into in with the metal sheet, after the sideslip subassembly resets, the bearing rod moves down and drives the metal sheet and is close to the lower mould. After the lower end part of the metal plate is contacted with the upper end surface of the lower die, the supporting rod continuously moves downwards, and at the moment, the metal plate is separated from the positioning block. The upper die moves downwards and is matched with the lower die to punch the metal plate, so that the metal plate is bent and formed on the lower die, the stripping rod is positioned in the lower die in the punching process, after the punching is completed, the stripping rod rises and jacks up the formed part, the part is separated from the lower die, the continuous punching is realized, the metal plate does not need to be cut into gaps in the punching process, the side edge connected with the material belt is not required to be reserved, and the utilization rate of metal raw materials in the punching process is improved.

Optionally, the material is rolled up the rack and is still including the blanking head, is located the one side that cuts the piece and deviates from perpendicular subassembly that moves to do reciprocating motion along vertical, the material area is to cutting the piece and move the time from blanking head under, and the material is rolled up the rack and is equipped with detachable blanking mould, and the blanking mould is located blanking head under, and the material is rolled up and is placed the rack and is equipped with the waste bin that is used for holding blanking.

Through adopting above-mentioned technical scheme, if the spare part of punching press needs to punch, then carry out foraminiferous processing to the material area through blanking head and blanking mould cooperation before cutting the material area, be favorable to improving the machining range, blanking after the blanking passes the blanking mould under the effect of gravity and falls into the waste bin, and is comparatively convenient when the clearance blanking.

Optionally, erect and move the subassembly and include two sets of conveyer belts, two sets of conveyer belts all are in the conveyer box along vertical parallel arrangement, and the distance between the terminal surface that two conveyer belts are close to each other is greater than the width of material area, be in between two sets of conveyer belts when the material area gets into the conveyer box, the conveyer belt outer fringe has evenly set firmly a plurality of supporting pieces along circumference, the supporting piece one-to-one on two conveyer belts is parallel to each other, when two corresponding supporting pieces are in between two conveyer belts, the distance between two supporting pieces is less than the width of material area, the supporting piece is in operating condition this moment, the metal sheet breaks away from behind the material area with be in all supporting pieces top that are in operating condition.

Through adopting above-mentioned technical scheme, drive the bearing piece and remove when the conveyer belt rotates, at the conveyer belt upper end, two corresponding bearing pieces are close to each other, get into operating condition when the interval between two bearing pieces is less than the width of material area, the material area is in two bearing pieces top this moment, cut the piece and cut the material area and form the metal sheet, the metal sheet breaks away from behind the material area and falls directly over two bearing pieces that are in operating condition, two bearing pieces cooperate to carry out the bearing to the metal sheet, the conveyer belt rotates, and then drive the metal sheet steady migration at uniform velocity, when the metal sheet moves to two conveyer belt below, the conveyer belt drives two bearing pieces and keeps away from each other, after bearing piece and the separation of metal sheet, the metal sheet falls naturally, through setting up a plurality of bearing pieces, and then realize the continuous stable transportation of metal sheet, be favorable to improving punching press process's continuity, and improve punching press efficiency.

Optionally, sideslip subassembly includes pushing away flitch and power spare, and the frame has set firmly translation rail along the direction level that the delivery box pointed to the lower mould, and pushing away the flitch along translation rail length direction and sliding connection, power spare set firmly in translation rail's one end for drive pushing away the flitch and remove, it is in to erect when the one end that the lower mould was kept away from to the translation rail to push away the flitch under moving the subassembly, and pushes away the flitch back of the body and set firmly the baffle perpendicularly.

Through adopting above-mentioned technical scheme, the metal sheet breaks away from and erects and move the subassembly back and fall into pushing away the flitch top, under the guide effect of translation rail, the power piece drives and pushes away the flitch and remove for pushing away the flitch and driving the metal sheet and moving down the mould, in-process, when the metal sheet produced and pushing away the flitch and taking place the trend of relative slip, the baffle is used for blockking up the metal sheet, improves the mobility stability of metal sheet.

Optionally, the stripper plate back is equipped with the fly leaf from one side of lower mould, and the fly leaf is equipped with elastic component one along translation rail length direction and stripper plate sliding connection between fly leaf and the stripper plate, and elastic component one is used for driving the fly leaf and stripper plate contact, and the fly leaf has all set firmly straight board along length direction's both sides, and the stripper plate is located between two straight boards, and straight board up end and stripper plate up end parallel and level, and one side that the straight board deviates from the stripper plate has the clamping plate that is used for pressing from both sides tight metal sheet along width direction sliding connection.

Through adopting above-mentioned technical scheme, when the metal sheet falls into striker plate top, two clamping plates cooperation press from both sides tight location to the metal sheet for the metal sheet is just right with spacing mouthful, and when the pushing away flitch drove the metal sheet to spacing mouthful removal, straight board and locating piece contact, pushes away the flitch and continues to remove this moment, makes straight board and pushing away the flitch and takes place relative displacement, and all straight boards and clamping plates synchronous movement under the connected action of fly leaf, and then dodges the locating piece, makes to push away the flitch and drives the metal sheet and get into spacing mouthful in.

Optionally, among the plurality of positioning blocks, a stop block is vertically fixed on the positioning block far away from the conveying box, the stop block is positioned on one side of the corresponding positioning block far away from the conveying box, and a magnetic attraction block is fixed on one side of the stop block close to the conveying box.

By adopting the technical scheme, the stop block is used for blocking the metal plate, so that the placement accuracy of the metal plate on the positioning block is improved. The magnetic attraction block is used for carrying out adsorption positioning on the metal plate, and is further convenient for separating the inlet plate from the pushing plate.

Optionally, the lower tip of lower mould is equipped with the movable plate, and the movable plate is along vertical reciprocating motion, and the supporting pole is equipped with the elastic component III along the width of the material band direction with movable plate sliding connection between movable plate and the supporting pole, and the elastic component three is used for promoting the supporting pole and is close to the lower mould, and the frame still has set firmly the guide block that corresponds with the supporting pole, and under the three natural states of elastic component, the supporting pole is located directly over the guide block, keeps away from the lower mould gradually when supporting pole and guide block contact and descend along with the movable plate.

Through adopting above-mentioned technical scheme, during initial state, under the effect of elastic component III, all support bars all are located the position that is close to the lower mould, drive support bar decline when the movable plate descends, slide along the guide block when support bar and guide block contact for the support bar drives the locating piece and keeps away from the lower mould, makes the locating piece shift out under the last mould, and then reduces the probability that goes up mould and locating piece and take place to interfere, reduces support bar along vertical avoidance space, improves space utilization.

Optionally, the lower mould all is provided with the fender piece along the both sides of the width direction of material strip, and the fender piece is along being close to or keeping away from the direction and the lower mould sliding connection of lower mould, and when two fender pieces were in the position of being close to the lower mould, the interval of the terminal surface that two fender pieces are close to each other was equal with the width in material strip, has set firmly elastic component four between fender piece and the lower mould, and elastic component four drives fender piece under the natural state and is close to the lower mould, and the frame still includes the punching press board that is used for driving the mould and removes, and the punching press board lower extreme sets firmly the oblique piece of going up, drives the fender piece through the oblique piece of going up and keeps away from the lower mould when the punching press board moves down.

Through adopting above-mentioned technical scheme, after the locating piece drives the metal sheet and moves to between two fender material pieces, the supporting rod contacts and remove with the guide block, and the locating piece produces along horizontal displacement this moment, and when the locating piece removed, the fender material piece was close to the lower mould and is spacing the metal sheet under the effect of elastic component, reduced the metal sheet and take place the probability of skew under the effect of magnetic attraction piece. When the machine frame drives the upper die to move downwards through the stamping plate, the upper inclined block drives the material blocking block to be far away from the lower die, so that the material blocking block avoids the upper die, and the safety of the stamping process is improved.

Optionally, take off the material pole includes ejector pin one, ejector pin two, the lifter plate, elastic component five and lifter, the lifter plate is located under the lower mould and along vertical and frame sliding connection, the lifter is used for driving the lifter plate and removes, ejector pin one and ejector pin two are along vertical parallel arrangement, and ejector pin two are in ejector pin one side that is close to the delivery box, ejector pin two and ejector pin one all pass the lower mould along vertical and with lower mould sliding connection, ejector pin two and lifter plate fixed connection, ejector pin one pass the lifter plate and with lifter plate sliding connection, elastic component five is located between lifter plate and the ejector pin one for promote ejector pin one and be close to the lower mould, ejector pin one fixedly connected with stopper, the stopper is located the lifter plate top.

Through adopting above-mentioned technical scheme, under the initial condition, the stopper keeps away from the lifter plate under the effect of elastic component five, when the lifter plate drove lifter plate and promotes, the lifter plate drives ejector pin one and ejector pin two synchronous rising, make ejector pin one and ejector pin two cooperation jack-up the part from the lower mould, when the part breaks away from the lower mould, the stopper contacts with the lower tip of lower mould and stops, the lifter plate continues to rise this moment, and drive ejector pin two and continue to remove, drive the part upset and make the part drop from ejector pin one and ejector pin two when ejector pin two rise, accomplish the automatic unloading of part, and the unloading process need not the manual work and go on, be favorable to improving the unloading convenience of part.

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

1. The material rolls are supported by the material roll placing frame and are driven to be unreeled to the conveying box, after the material rolls are stretched into material strips, the material strips are cut by the cutting piece, then independent metal plates are obtained, the metal plates fall into the vertical moving assembly under the action of gravity after being separated from the material rolls, and move towards the horizontal moving assembly under the driving of the vertical moving assembly, the metal plates move to the lower side of the vertical moving assembly and then separate from the vertical moving assembly under the action of gravity, and enter the upper side of the horizontal moving assembly, the horizontal moving assembly supports the metal plates and stably conveys the metal plates to the upper side of the lower die, in an initial state, positioning blocks at the upper ends of all support rods are all located above the lower die, at the moment, limit openings formed between all the positioning blocks are matched with the size of the metal plates, the horizontal moving assembly conveys the metal plates to the limit openings, the metal plates fall into the upper sides of the positioning blocks, and after the horizontal moving assembly resets, the support rods move downwards and drive the metal plates to be close to the lower die. After the lower end part of the metal plate is contacted with the upper end surface of the lower die, the supporting rod continuously moves downwards, and at the moment, the metal plate is separated from the positioning block. The upper die moves downwards and is matched with the lower die to punch the metal plate, so that the metal plate is bent and formed on the lower die, the stripping rod is positioned in the lower die in the punching process, after the punching is finished, the stripping rod is lifted and the formed part is jacked up, so that the part is separated from the lower die, the continuous punching is realized, a notch is not needed to be cut in the punching process of the metal plate, and the side edge connected with a material belt is not needed to be reserved, so that the utilization rate of metal raw materials in the punching process is improved;

2. If punching is needed for punched parts, the punched parts are subjected to hole treatment on the material belt through the cooperation of the punching head and the punching die before being cut, so that the processing range is improved, and blanking after punching passes through the punching die under the action of gravity and falls into a waste box, so that the blanking is convenient and fast to clean.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the embodiment.

Fig. 2 is a schematic view intended to highlight the external structure of the transfer box.

Fig. 3 is a schematic view intended to highlight the internal structure of the transport box.

Fig. 4 is a schematic view intended to highlight the construction of the traversing assembly.

Fig. 5 is a schematic view intended to highlight the positions of the stripper plate and the lower die.

Fig. 6 is a schematic view intended to highlight the structure of the support rod connection.

The reference numerals are 1, a frame, 11, a lower die, 12, an upper die, 13, a stamping plate, 131, a push rod, 132, an upper inclined block, 14, an extension frame, 141, a traction roller, 15, a flat plate, 16, a blanking die, 17, a blanking head, 18, a scrap box, 19, a translation rail, 191, a pushing block, 2, a coil rack, 21, a cutting piece, 211, a cutter, 212, a cutting cylinder, 3, a conveying box, 31, a vertical moving component, 311, a conveying belt, 312, a supporting block, 32, a traversing component, 321, a pushing plate, 322, a power piece, 323, a baffle plate, 324, a movable plate, 325, a straight plate, 326, a clamping plate, 327, an elastic piece, 328, a compression spring, 329, a contact block, 4, a supporting rod, 41, a positioning block, 411, a baffle edge, 412, a stop block, 413, a magnetic suction block, 42, a slide bar, 43, an elastic piece III, 44, a guide block, 51, one, 511, a limiting block, 52, a second ejector rod, 53, a lifting plate, 54, a five elastic pieces, 55, a lifting block, a movable block, a 325, a straight plate, a lifting block, a spring, a lifting block, a fourth block, a sixth block, and a fifth block.

Detailed Description

The present application will be described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses an automatic stamping and bending device for automobile parts.

Examples:

Referring to fig. 1 and 2, an automatic stamping and bending device for automobile parts comprises a stand 1 which is vertically arranged, wherein the stand 1 is provided with an upper die 12 and a lower die 11 which are vertically arranged in opposition, the lower die 11 is fixedly arranged, the upper die 12 is positioned right above the lower die 11, the stand 1 is vertically and slidably connected with a stamping plate 13, and the stand 1 is provided with a driving piece for driving the stamping plate 13 to move, in this embodiment, the driving piece is selected as a hydraulic cylinder, and other driving mechanisms in the technical field, such as a motor, are also possible. The upper die 12 is installed below the pressing plate 13 and moves synchronously with the pressing plate 13.

Referring to fig. 1 and 2, one side of a frame 1 is provided with a roll rack 2, the roll rack 2 includes a support frame, a rotating shaft and a lifting plate, the support frame is vertically arranged, a chute is vertically arranged, and one side of the lifting plate is located in the chute and is slidably connected with the support frame along the length direction of the chute. A threaded rod is arranged in the sliding groove, the threaded rod penetrates through the lifting plate and is in threaded connection with the lifting plate, the lifting plate is driven to vertically lift when the threaded rod rotates, and a driving motor for driving the threaded rod to rotate is installed at the upper end part of the supporting frame.

Referring to fig. 1 and 2, an arc groove is formed in the upper end portion of the lifting plate, a rolling shaft is embedded in the arc groove, two groups of lifting plates are arranged, a rotating shaft is located between the two groups of lifting plates, and two ends of the rotating shaft are located in the two arc grooves respectively and are in rolling connection with the rolling shaft. The rotation axis passes the material and rolls up and drive the synchronous rotation of material, and the roller bearing is used for reducing the frictional force between rotation axis and the lift plate. The transverse rod is connected to the upper end of the supporting frame in a sliding manner, when the lifting plate drives the material roll to be lifted to a preset height, an operator moves the transverse plate to the lower side of the lifting plate, so that the transverse plate supports the lifting plate, and the placement stability of the lifting plate is improved.

Referring to fig. 1 and 2, an extension frame 14 is fixedly arranged on one side of the frame 1 near the support frame, a plurality of traction rollers 141 are arranged on the extension frame 14 along the length direction, and a material belt formed by unreeling a material roll passes through the plurality of traction rollers 141 and is in rolling connection with the traction rollers 141. The extension frame 14 is provided with a traction motor, and the traction motor is used for driving any traction roller 141 to rotate, and the traction roller 141 drives the material roll to continuously unreel when rotating. The extension frame 14 is close to the one end of frame 1 and has set firmly dull and stereotyped 15, and the material area passes through and laminating with dull and stereotyped 15 up end directly over dull and stereotyped 15.

Referring to fig. 1 and 2, the flat plate 15 is vertically opened with an installation opening, a blanking die 16 is disposed in the installation opening, the blanking die 16 transversely passes through the extension frame 14 and is slidably connected with the extension frame 14, and the extension frame 14 is slidably connected with a positioning pin for positioning the blanking die 16 along the length direction. The blanking die 16 is vertically provided with a plurality of blanking openings, the upper end part of the extension frame 14 is vertically connected with a blanking head 17 in a sliding manner, the blanking head 17 is matched with the blanking die 16, and the extension frame 14 is provided with a blanking pressure cylinder for driving the blanking head 17 to move.

Referring to fig. 1 and 2, when a part to be processed needs to be provided with a through hole, when a material belt passes under the blanking head 17, the blanking head 17 is driven to descend by the blanking cylinder, so that the blanking head 17 and the blanking die 16 cooperate to perform blanking and punching on the material belt. The blanking after blanking passes the blanking mouth and drops under the effect of gravity, is provided with the waste bin between frame 1 and the braced frame, and the waste bin is located blanking mould 16 below, and extension frame 14 lower extreme is equipped with the stock guide that is used for guiding blanking to the waste bin removal.

Referring to fig. 1 and 3, the bending device further comprises a conveying box 3, the conveying box 3 is located on one side, far away from the supporting frame, of the extension frame 14, the conveying box 3 is arranged in a hollow mode, and a feeding hole opposite to the flat plate 15 is formed in the upper end portion of the conveying box 3. The strip passes through the feed opening after passing through the blanking head 17 and into the transfer box 3. The coil rack 2 is further provided with a blanking member comprising a cutter 211 and a cutting cylinder 212, the cutter 211 being located in the transport box 3 and being in sliding connection with the transport box 3 in the vertical direction. The cutting cylinder 212 is mounted on the upper end of the conveying box 3, and is used for driving the cutter 211 to move vertically. The extension board that is used for supporting the material area has been set firmly to delivery box 3 upper end, and cutter 211 is located the tip of extension board, and when the length that the material area extended from the extension board side reached the default, cutter 211 whereabouts and cut the material area with the extension board cooperation, and then with the material area processing for a plurality of independent metal sheets.

Referring to fig. 2 and 3, the metal plate falls under the action of gravity after being separated from the material belt, a vertical moving assembly 31 for supporting the metal plate is installed in the conveying box 3, the vertical moving assembly 31 comprises two groups of conveying belts 311 which are vertically arranged, the conveying belts 311 are annular and are parallel to each other, a conveying motor for driving the two groups of conveying belts 311 to synchronously rotate is installed in the conveying box 3, and conveying directions of one sides, close to each other, of the two conveying belts 311 are the same. The distance between the end surfaces of the two conveyor belts 311, which are close to each other, is larger than the width of the material belt, which is between the two conveyor belts 311 after entering the conveyor box 3.

Referring to fig. 2 and 3, a plurality of support blocks 312 are uniformly fixed on the outer side of the conveyor belt 311 along the circumferential direction, and the support blocks 312 are driven to move when the conveyor belt 311 rotates. The bearing blocks 312 on the two conveyor belts 311 are oppositely arranged in pairs, and all the bearing blocks 312 are horizontally arranged. For the corresponding two bearing blocks 312, when the bearing blocks 312 are positioned at the upper end of the conveying belt 311, the distance between the two bearing blocks 312 is larger than the width of the material belt, and as the conveying belt 311 rotates, the two bearing blocks 312 are close to each other, and when the two bearing blocks 312 are positioned at the closest position, the distance between the two bearing blocks 312 is smaller than the width of the material belt. For any two opposite bearing blocks 312, the working state is achieved after the distance between the two bearing blocks 312 is smaller than the width of the material belt.

Referring to fig. 2 and 3, the metal plate falls above two supporting blocks 312 in a working state after being separated from the material belt, at this time, the two supporting blocks 312 cooperate to lift the metal plate from two sides of the metal plate, the metal plate is driven to move downwards at a constant speed by the supporting blocks 312 when the conveying belt 311 rotates, the material roll is continuously unreeled, the cutting piece 21 and the conveying belt 311 continuously work, the metal plate is continuously fallen between the two conveying belts 311, and the conveying belts 311 convey the metal plate one by one. When the supporting block 312 moves to the lower end of the conveyer 311, the supporting block is gradually far away from the metal plate along with the movement of the conveyer 311, and after the supporting block 312 is separated from the metal plate, the metal plate continuously falls under the action of gravity.

Referring to fig. 2 and 4, a traversing assembly 32 for receiving a metal plate is mounted at the lower end of the conveying box 3, the traversing assembly 32 comprises a pushing plate 321 and a power piece 322, a translating rail 19 is fixedly arranged at the lower end of the frame 1 along the direction of the conveying box 3 pointing to the lower die 11, and the pushing plate 321 is located right above the translating rail 19 and is in sliding connection with the translating rail 19 along the length direction of the translating rail 19. The power piece 322 is a cylinder, the cylinder is fixedly connected with the translation rail 19, and the output end of the cylinder is connected with the pushing plate 321, and the cylinder drives the pushing plate 321 to move along the translation rail 19 during operation.

Referring to fig. 2 and 4, the pusher plate 321 is initially positioned directly under the two conveyor belts 311, and the metal plate falls directly above the pusher plate 321 by gravity after being separated from the conveyor belts 311. The power piece 322 during operation drives and pushes away flitch 321 to carry to lower mould 11, lower mould 11 is provided with four supporting rods 4 along circumference, supporting rod 4 is along vertical and frame 1 sliding connection, and the equal fixedly connected with locating piece 41 of four supporting rods 4 upper end, four locating pieces 41 set up in opposition with the material area as the center, the flange 411 has been set firmly to one side that locating piece 41 deviates from the material area, when supporting rod 4 is in the uppermost, the distance between the terminal surface that two flanges 411 of material area both sides are close to each other is the same with the width of metal sheet, the terminal surface cooperation that locating piece 41 up end and flange 411 are close to each other constitutes spacing mouth, it moves in the spacing mouth to drive the metal sheet when pushing away the flitch 321 and moving.

Referring to fig. 2 and 4, a baffle 323 is vertically fixed on a side of the pushing plate 321 away from the lower die 11, and the baffle 323 is used for preventing the metal plate and the pushing plate 321 from sliding relatively. One side of the pushing plate 321 provided with the baffle 323 is also provided with a movable plate 324, the movable plate 324 is perpendicular to the translation rail 19, the movable plate 324 is in sliding connection with the pushing plate 321 along the length direction of the translation rail 19, an elastic piece one 327 is arranged between the movable plate 324 and the pushing plate 321, the elastic piece one 327 is a spring, and the spring pushes the movable plate 324 to be attached to the pushing plate 321 in a natural state.

Referring to fig. 2 and 4, the movable plate 324 is fixedly connected with a straight plate 325 along two sides of the length direction, the width of the pushing plate 321 is smaller than the width between the two positioning blocks 41, so that the pushing plate 321 can enter between the plurality of positioning blocks 41 conveniently, and the distance between the sides, away from each other, of the two straight plates 325 is smaller than the width of the metal plate. The pushing plate 321 is located between the two straight plates 325, and the upper end surface of the straight plates 325 is flush with the upper end surface of the pushing plate 321. The side of the straight plate 325, which is away from the pushing plate 321, is vertically provided with a clamping plate 326, the clamping plate 326 is connected with the straight plate 325 in a sliding way along the side, which is close to or far away from the straight plate 325, a compression spring 328 is fixedly arranged between the clamping plate 326 and the straight plate 325, and the compression spring 328 drives the clamping plate 326 to be close to the straight plate 325 in a natural state.

Referring to fig. 4 and 5, the lower end of the clamping plate 326 is fixedly provided with a contact block 329, the start end and the end of the translation rail 19 are fixedly provided with pushing blocks 191, when the pushing plate 321 is positioned below the conveyor belt 311, the contact block 329 of the clamping plate 326 is contacted with the pushing block 191 at the start end, at this time, the clamping plate 326 is positioned far from the straight plate 325, and the distance between the two clamping plates 326 is larger than the width of the metal plate.

Referring to fig. 4 and 5, after the metal plate falls above the pushing plate 321, the pushing plate 321 drives the metal plate to move towards the lower die 11, the clamping plate 326 drives the contact block 329 to be far away from the pushing block 191 at the start end, and under the action of the compression spring 328, the clamping plate 326 approaches the straight plate 325 and centers and positions the metal plate, and at this time, the metal plate is opposite to the limiting opening. When the pushing plate 321 moves to the end of the translation rail 19, the contact block 329 is contacted with the pushing block 191 at the end again, so that the clamping plate 326 is driven away from the straight plate 325 again, and the clamping and positioning of the metal plate is released. The pushing plate 321 continues to move until the straight plate 325 abuts against the positioning block 41 and then stops, and the pushing plate 321 and the movable plate 324 relatively displace and drive the metal plate to move into the limiting opening.

Referring to fig. 4 and 6, among all the positioning blocks 41, a stop block 412 is fixedly arranged on the positioning block 41 far away from the conveying box 3, the stop block 412 is positioned on one side of the positioning block 41 far away from the lower die 11, a magnetic attraction block 413 is fixedly arranged on one side of the stop block 412 close to the lower die 11, and the pushing plate 321 drives the metal plate to contact with the magnetic attraction block 413 through a baffle 323, so that the magnetic attraction block 413 adsorbs and positions the metal plate. At this time, the upper end surface of the positioning block 41 is flush with the upper end surface of the pushing plate 321, and the pushing plate 321 is reset, so that the metal plate is separated from the pushing plate 321 and falls into the upper end surface of the positioning block 41.

Referring to fig. 5 and 6, a moving plate 6 is slidably connected to the lower end of the frame 1 in the vertical direction, the moving plate 6 is located below the lower die 11, a jack spring 61 is provided between the frame 1 and the moving plate 6, and in a natural state of the jack spring 61, the moving plate 6 is located closest to the lower die 11. The lower end part of the supporting rod 4 is vertically fixed with a sliding rod 42, the sliding rod 42 is arranged along the width direction of the material belt, the sliding rod 42 penetrates through the moving plate 6 along the length direction and is in sliding connection with the moving plate 6, and the supporting plate is driven to vertically move by the sliding rod 42 when the moving plate 6 moves.

Referring to fig. 5 and 6, an elastic member three 43 is fixed between the support rod 4 and the moving plate 6, the elastic member three 43 is also a spring, and the support rod 4 is pushed to approach the lower die 11 in a natural state of the elastic member three 43. When the moving plate 6 is located at the uppermost end of the movable range, the supporting rod 4 is pressed close to the lower die 11 under the action of the third elastic element 43, and the positioning block 41 supports the metal plate. A guide block 44 is fixedly arranged at the lower end part of the frame 1, and the upper end surface of the guide block 44 is inclined from top to bottom in a direction away from the lower die 11. In the natural state of the third elastic element 43, the supporting rod 4 is located right above the guide block 44.

Referring to fig. 5 and 6, a push rod 131 opposite to the moving plate 6 is fixed at the lower end of the punching plate 13, and during punching, the punching plate 13 presses down and drives the push rod 131 to approach the moving plate 6, the push rod 131 contacts with the moving plate 6 and then drives the moving plate 6 to move down, and when the moving plate 6 moves, the supporting rod 4 is driven to approach the upper end face of the guide block 44. When the upper end surface of the positioning block 41 is flush with the upper end surface of the lower die 11, the lower end portion of the supporting rod 4 contacts with the guide block 44 and moves along the guide block 44, and at this time, the third elastic member 43 is gradually deformed. Under the guiding action of the guide block 44, the supporting rod 4 drives the positioning block 41 to gradually separate from the lower die 11, at this time, the positioning block 41 avoids the upper die 12, and the lower end surface of the metal plate is separated from the positioning block 41 after contacting with the upper end surface of the lower die 11.

Referring to fig. 5 and 6, both sides of the lower die 11 in the width direction of the material belt are provided with the stopper blocks 71, the upper end surfaces of the stopper blocks 71 are higher than the upper end surfaces of the lower die 11, and the distance between the two stopper blocks 71 is adapted to the width of the metal plate, and before the lower end surface of the metal plate contacts the lower die 11, the metal plate first enters between the two stopper blocks 71, and the stopper blocks 71 are slidably connected with the lower die 11 in the direction approaching or separating from the lower die 11. And a fourth elastic element 72 is arranged between the baffle block 71 and the lower die 11, the fourth elastic element 72 is a spring, and the baffle block 71 is pushed to be close to the lower die 11 under the natural state of the fourth elastic element 72.

Referring to fig. 5 and 6, when the positioning block 41 drives the magnetic block 413 to be far away from the lower die 11, the two baffle blocks 71 cooperate to limit the metal plate, so that the probability that the metal plate moves along with the magnetic block 413 is reduced, and the placement stability of the metal plate is improved. The upper end of the baffle block 71 is fixedly provided with a lower inclined block 73, the lower end of the stamping plate 13 is fixedly connected with an upper inclined block 132 corresponding to the lower inclined block 73, when the upper die 12 approaches the lower die 11, the upper inclined block 132 contacts with the lower inclined block 73 and pushes the lower inclined block 73 to be far away from the lower die 11, and when the lower inclined block 73 moves, the corresponding baffle block 71 is driven to move, so that the baffle block 71 avoids the upper die 12.

Referring to fig. 5 and 6, after the upper die 12 contacts with the metal plate, it is matched with the lower die 11 to press and bend the metal plate, after bending is completed, the pressing plate 13 drives the upper die 12 to reset, and at this time, the moving plate 6 and the stop block 71 are synchronously reset. The lower die 11 is provided with a stripping rod, the stripping rod comprises a first ejector rod 51, a second ejector rod 52, a lifting plate 53, a fifth elastic piece 54 and a lifting piece 55, the first ejector rod 51 and the second ejector rod 52 are vertically arranged, the first ejector rod 51 and the second ejector rod 52 vertically penetrate through the lower die 11 and are in sliding connection with the lower die 11, and the second ejector rod 52 is located on one side, close to the conveying box 3, of the first ejector rod 51.

Referring to fig. 5 and 6, the lifting plate 53 is located below the lower die 11 and is slidably connected to the frame 1 in the vertical direction, and the lifter 55 is also an air cylinder for driving the lifting plate 53 to move in the vertical direction. The first ejector rod 51 passes through the lifting plate 53 and is in sliding connection with the lifting plate 53, and the first ejector rod 51 is fixedly connected with a limiting plate which is positioned above the lifting plate 53. The elastic piece five 54 is located between the ejector rod one 51 and the lifting plate 53, and in the natural state of the elastic piece five 54, the limiting plate is located at a position far away from the top plate, and the ejector rod two 52 is fixedly connected with the lifting plate 53 and synchronously moves along with the lifting plate 53.

Referring to fig. 5 and 6, in the initial state, the upper end surfaces of the first ejector pin 51 and the second ejector pin 52 are flush with the upper end surface of the upper die 12, and after the upper die 12 is matched with the lower die 11 to punch the metal plate into a part. The lifting member 55 drives the lifting plate 53 to move upwards, so that under the action of the elastic member five 54, the lifting plate 53 drives the ejector rod one 51 and the ejector rod two 52 to synchronously move, and at the moment, the ejector rod one 51 and the ejector rod two 52 cooperate to jack up the part from the lower die 11. The limiting block 511 is contacted with the lower end of the lower die 11 to drive the first ejector rod 51 to stop moving, and the lifting plate 53 drives the second ejector rod 52 to move continuously, so that the second ejector rod 52 drives the part to turn over and the part falls off from the first ejector rod 51 and the second ejector rod 52, and blanking of the part is completed.

The automatic stamping and bending device for the automobile parts has the working principle that under the supporting action of a rotating shaft, a material roll is continuously unreeled to form a material belt. The coil is punched by a punching head 17 according to actual needs. After the material belt enters the conveying box 3, the material belt is cut by utilizing the cutting piece 21, so that an independent metal plate is obtained, the metal plate falls between the two conveying belts 311 after being separated from the material belt and stably moves downwards under the action of the bearing blocks 312, when the metal plate falls above the pushing plate 321 under the action of gravity after being separated from the conveying belts 311, the pushing plate 321 drives the metal plate to be conveyed to the lower die 11, the circumferential bearing rods 4 of the lower die 11 bear and limit the metal plate through the positioning blocks 41, when the stamping plate 13 drives the lower die 11 to descend, the bearing rods 4 drive the metal plate to move downwards and transfer the metal plate to the upper side of the lower die 11, the upper die 12 moves downwards and is matched with the lower die 11 to stamp the metal plate, so that the metal plate is bent and molded on the lower die 11, after stamping, the first ejector rod 51 and the second ejector rod 52 lift the molded part, and the part are separated from the lower die 11. When realizing continuous punching, the metal sheet need not to link to each other with the material area in the punching press in-process, also need not to cut the breach, and then is favorable to improving the utilization ratio of metal raw materials in the punching press in-process.

The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.

Claims

1. The automatic stamping and bending device for the automobile accessories comprises a frame (1), wherein a lower die (11) is fixedly arranged on the frame (1), an upper die (12) which moves vertically and reciprocally is arranged on the frame (1), and the upper die (12) is opposite to the lower die (11), and the automatic stamping and bending device is characterized by further comprising a material roll placing frame (2) which is positioned on one side of the frame (1) and used for supporting a material roll and driving the material roll to continuously unreel towards the frame (1) and form a straight material belt, and a cutting piece (21) is arranged at the tail end of the material roll placing frame (2) and used for cutting the material belt into uniform metal plates;

The conveying box (3) is positioned at the tail end of the material roll placing frame (2), the material strips enter the conveying box (3) from the upper end of the conveying box (3) and are cut by the cutting piece (21), a vertical moving assembly (31) and a transverse moving assembly (32) are arranged in the conveying box (3), the vertical moving assembly (31) is used for driving a metal plate separated from the material strips to move at a uniform speed along the vertical direction, the transverse moving assembly (32) is positioned at the tail end of the vertical moving assembly (31), the metal plate moves to the lower end of the vertical moving assembly (31) and then falls into the transverse moving assembly (32) under the action of gravity, and the transverse moving assembly (32) conveys the metal plate to the position right above the lower die (11) after receiving the metal plate;

The support rods (4) are circumferentially arranged along the lower die (11) and reciprocate along the vertical direction along with the upper die (12), positioning blocks (41) are fixedly arranged at the upper ends of the support rods (4), all the positioning blocks (41) are matched to form a limiting opening matched with the metal plate, when the transverse moving assembly (32) drives the metal plate to move above the lower die (11), the metal plate is positioned in the limiting opening and contacts with the upper end surface of the positioning block (41), and when the transverse moving assembly (32) is reset, the metal plate stays in the limiting opening;

The stripping rod is positioned at the inner side of the lower die (11) and is in sliding connection with the lower die (11) along the vertical direction, and after the metal plate is stamped and bent, the stripping rod is lifted and pushes the part to be separated from the lower die (11).

2. The automatic stamping and bending device for the automobile parts is characterized in that the material roll placing frame (2) further comprises a blanking head (17) which is positioned on one side, away from the vertical moving component (31), of the cutting piece (21) and moves vertically in a reciprocating mode, when the material belt moves towards the cutting piece (21), the material roll placing frame (2) passes through the position right below the blanking head (17), a detachable blanking die (16) is arranged, the blanking die (16) is positioned right below the blanking head (17), and the material roll placing frame (2) is provided with a waste bin for containing blanking.

3. The automatic stamping and bending device for automobile accessories is characterized in that the vertical moving assembly (31) comprises two groups of conveying belts (311), the two groups of conveying belts (311) are vertically arranged in the conveying box (3) in parallel, the distance between the end faces, close to each other, of the two conveying belts (311) is larger than the width of a material belt, the material belt is located between the two groups of conveying belts (311) when entering the conveying box (3), a plurality of supporting blocks (312) are uniformly and fixedly arranged on the outer edges of the conveying belts (311) along the circumferential direction, the supporting blocks (312) on the two conveying belts (311) are in one-to-one correspondence and are parallel to each other, when the corresponding two supporting blocks (312) are located between the two conveying belts (311), the distance between the two supporting blocks (312) is smaller than the width of the material belt, the supporting blocks (312) are in a working state, and after the material belt is separated from the material belt, the metal plate is located above all the supporting blocks (312) in the working state.

4. The automatic stamping and bending device for automobile accessories is characterized in that the transverse moving assembly (32) comprises a pushing plate (321) and a power piece (322), a translation rail (19) is horizontally and fixedly arranged on the frame (1) along the direction of the conveying box (3) pointing to the lower die (11), the pushing plate (321) is fixedly arranged at one end of the translation rail (19) along the length direction of the translation rail (19) and is in sliding connection with the power piece (322) and used for driving the pushing plate (321) to move, the reasoning plate is located under the vertical moving assembly (31) when located at one end of the translation rail (19) far away from the lower die (11), and a baffle (323) is vertically and fixedly arranged at one side of the pushing plate (321) far away from the lower die (11).

5. The automatic stamping and bending device for automobile accessories is characterized in that a movable plate (324) is arranged on one side, away from a lower die (11), of the pushing plate (321), the movable plate (324) is connected with the pushing plate (321) in a sliding mode along the length direction of a translation rail (19), an elastic piece I (327) is arranged between the movable plate (324) and the pushing plate (321), the elastic piece I (327) is used for driving the movable plate (324) to be in contact with the pushing plate (321), straight plates (325) are fixedly arranged on two sides, along the length direction, of the movable plate (324), the pushing plate (321) is located between the two straight plates (325), the upper end face of the straight plates (325) is flush with the upper end face of the pushing plate (321), and a clamping plate (326) used for clamping a metal plate is connected on one side, away from the pushing plate (321), along the width direction.

6. The automatic stamping and bending device for automobile accessories is characterized in that among the positioning blocks (41), a stop block (412) is vertically and fixedly arranged on the positioning block (41) far away from the conveying box (3), the stop block (412) is positioned on one side, away from the conveying box (3), of the corresponding positioning block (41), and a magnetic attraction block (413) is fixedly arranged on one side, close to the conveying box (3), of the stop block (412).

7. The automatic stamping and bending device for the automobile accessories is characterized in that a movable plate (6) is arranged at the lower end part of the lower die (11), the movable plate (6) moves back and forth vertically, the supporting rod (4) is connected with the movable plate (6) in a sliding mode along the direction of the width of the material band, an elastic piece III (43) is arranged between the movable plate (6) and the supporting rod (4), the elastic piece III (43) is used for pushing the supporting rod (4) to be close to the lower die (11), a guide block (44) corresponding to the supporting rod (4) is further fixedly arranged on the machine frame (1), the supporting rod (4) is located right above the guide block (44) in a natural state, and the supporting rod (4) is gradually far away from the lower die (11) when the supporting rod (4) is contacted with the guide block (44) and descends along with the movable plate (6).

8. The automatic stamping and bending device for the automobile accessories is characterized in that blocking blocks (71) are arranged on two sides of the lower die (11) along the width direction of the material belt, the blocking blocks (71) are connected with the lower die (11) in a sliding mode along the direction close to or far away from the lower die (11), when the two blocking blocks (71) are located at the position close to the lower die (11), the distance between the end faces of the two blocking blocks (71) close to each other is equal to the width of the material belt, an elastic piece IV (72) is fixedly arranged between the blocking blocks (71) and the lower die (11), the elastic piece IV (72) drives the blocking blocks (71) to be close to the lower die (11) in a natural state, the frame (1) further comprises a stamping plate (13) for driving the upper die (12) to move, and an upper inclined block (132) is fixedly arranged at the lower end portion of the stamping plate (13) and drives the blocking blocks (71) to be far away from the lower die (11) through the upper inclined block (132) when the stamping plate (13) moves downwards.

9. The automatic stamping and bending device for automobile accessories is characterized in that the stripping rod comprises a first ejector rod (51), a second ejector rod (52), a lifting plate (53), a fifth elastic piece (54) and a lifting piece (55), the lifting plate (53) is located right below the lower die (11) and is vertically and slidably connected with the frame (1), the lifting piece (55) is used for driving the lifting plate (53) to move, the first ejector rod (51) and the second ejector rod (52) are vertically and parallelly arranged, the second ejector rod (52) is located on one side, close to the conveying box (3), of the first ejector rod (51), the second ejector rod (52) and the first ejector rod (51) vertically penetrate through the lower die (11) and are slidably connected with the lower die (11), the second ejector rod (52) is fixedly connected with the lifting plate (53), the fifth elastic piece (54) is located between the lifting plate (53) and the first ejector rod (51) and is used for pushing the first ejector rod (51) to be close to the lower die (11), and the first ejector rod (511) is fixedly connected with the limiting block (511) and located above the lifting plate (511).