CN214919499U

CN214919499U - Single-knife bending machine

Info

Publication number: CN214919499U
Application number: CN202120089381.0U
Authority: CN
Inventors: 袁则怀
Original assignee: Foshan Nanhai Lichuan Cold Rolling Machinery Co ltd
Current assignee: Foshan Nanhai Lichuan Cold Rolling Machinery Co ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-11-30
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a single-knife bending machine, it includes: the device comprises a rack, a pressing device and a bending device, wherein the pressing device comprises an upper pressing knife, a lower pressing knife and a pressing driving mechanism which are vertically arranged on the rack; bending device sets up in the rear side of last push-type broach and push-type broach down, bending device includes rotatory blade holder, the slip blade holder, the knife rest, lift drive assembly, tool changing swing drive assembly and rotatory drive assembly that bends, rotatory drive assembly that bends is used for driving rotatory blade holder and rotates around the rotation axis of bending, lift drive assembly is used for driving the slip blade holder and reciprocates for rotatory blade holder, tool changing swing drive assembly is used for driving the knife rest and rotates around the tool changing rotation axis for the slip blade holder, be provided with the cutter body of bending in the upper end of knife rest, the front edge at the cutter body top of bending is provided with first bending blade, the back edge at the cutter body top of bending is provided with the second bending blade. The utility model discloses a cutter body of bending can realize bending to the two-sided of panel.

Description

Single-knife bending machine

Technical Field

The utility model relates to a technical field of panel processing of bending, in particular to single-knife bender.

Background

In the existing bending equipment, when a plate needs to be bent into a Z shape, both sides of the plate need to be bent, the plate is recovered after the existing processing technology finishes a bending process, and the plate is placed into the equipment to be bent for the second time after being turned over, so that the processing mode is time-consuming and labor-consuming; some bending equipment capable of bending the two sides of the plate appears in the market, but two bending knives are respectively adopted, so that the manufacturing cost is improved; meanwhile, the bending angle is difficult to control; in the plate bending process, the feeding and positioning of the bending of the existing bending equipment are generally controlled manually, so that the working efficiency is low, and the bending precision is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a single-knife bender to solve one or more technical problem that exist among the prior art, provide a profitable selection or create the condition at least.

The technical scheme adopted for solving the technical problems is as follows:

a single-blade bending machine, comprising: the pressing device comprises an upper pressing knife, a lower pressing knife and a pressing driving mechanism, wherein the upper pressing knife and the lower pressing knife are arranged on the frame in an up-down mode, the upper pressing knife and the lower pressing knife are arranged in a left-right extending mode, and the pressing driving mechanism is provided with a pressing driving end which is in transmission connection with the upper pressing knife and/or the lower pressing knife and enables the upper pressing knife and the lower pressing knife to be close to or far away from each other in the up-down direction; the bending device is arranged at the rear sides of the upper pressing cutter and the lower pressing cutter, the bending device comprises a rotary cutter holder, a sliding cutter holder, a lifting driving assembly, a cutter changing swinging driving assembly and a rotary bending driving assembly, the sliding cutter holder is provided with a bending rotation axis which extends leftwards and rightwards, the rotary bending driving assembly is arranged on the frame, the rotary bending driving assembly is provided with a rotary driving end which is in transmission connection with the rotary cutter holder and enables the rotary cutter holder to rotate around the bending rotation axis, the lifting driving assembly is arranged on the rotary cutter holder, the lifting driving assembly is provided with a lifting driving end which is in transmission connection with the sliding cutter holder and enables the sliding cutter holder to move upwards and downwards relative to the rotary cutter holder, the cutter holder is arranged on the sliding cutter holder, the cutter changing swinging driving assembly is arranged on the sliding cutter holder, the axis of the cutter changing rotation axis extends leftwards and rightwards, the tool changing swing driving assembly is provided with a tool rest which is in transmission connection with the tool rest and enables the tool rest to rotate relative to the sliding tool apron around a tool changing rotation axis rotating swing driving end, a bending tool body which is arranged in a left-right extending mode is arranged at the upper end of the tool rest, a first bending cutting edge which is arranged in a left-right extending mode is arranged at the front edge of the top of the bending tool body, a second bending cutting edge which is arranged in a left-right extending mode is arranged at the rear edge of the top of the bending tool body, and the bending rotation axis is arranged on a swing track of the first bending cutting edge and the second bending cutting edge.

The utility model has the advantages that: when the plate bending machine is used, a plate is placed between an upper pressing cutter and a lower pressing cutter, the pressing driving end on a pressing driving mechanism drives the upper pressing cutter and the lower pressing cutter to be close to each other in the vertical direction so as to press the plate, the rear edge of the plate to be bent extends out of the rear sides of the upper pressing cutter and the lower pressing cutter, the plate and a bending rotation axis are positioned on the same plane, during bending, a lifting driving assembly drives a sliding cutter holder to move upwards so that a bending cutter body moves upwards to enable a first bending cutter edge to be collinear with the bending rotation axis, then a rotary bending driving assembly drives a rotary cutter holder to rotate around the bending rotation axis towards the upper right side so as to drive the bending cutter body to bend the lower surface of the plate upwards, after one-time bending, the rotary bending driving assembly continues to drive the rotary cutter holder to rotate towards the upper right side, and simultaneously, a cutter changing swinging driving cutter holder swings around the cutter changing rotation axis towards the rear side of the bent plate, and lift drive assembly drive slip blade holder resets for the blade body of bending can avoid the panel after bending when rotating, simultaneously when rotatory to vertical back of rotatory blade holder, also make the second bend the cutting edge with bend the rotation axis and be in on the same vertical face, the panel that will process moves the distance of settlement backward, then lift drive assembly drive slip blade holder moves down for the blade body of bending down move to the second bend the cutting edge with the rotation axis collineation of bending, later rotatory drive assembly drive rotation blade holder of bending wind the rotation axis is turned right the downside and is rotated, thereby drives the blade body of bending and realizes bending down to panel upper surface, and then the utility model discloses a two-sided bending to panel can be realized to the blade body of bending.

As a further improvement of the above technical solution, the upper pressing knife is provided with an upper pressing tail portion extending rearward, the lower pressing knife is provided with a lower pressing tail portion extending rearward, and a rear edge of the upper pressing tail portion, a rear edge of the lower pressing tail portion and the bending rotation axis are disposed on the same vertical plane.

When bending, the rear edge of the plate is required to stretch out to compress the tail part and press the rear side between the tail parts downwards, when bending downwards, the second bending blade is abutted to the upper surface of the plate, and when bending upwards, the first bending blade is abutted to the lower surface of the plate, so that the stress of the bending part of the plate is more stable, the bending angle is also enlarged, and the bending cutter body is not interfered with the upper pressing cutter and the lower pressing cutter.

As a further improvement of the above technical scheme, the lower pressing knife is fixed on the frame, two pressing slide rails extending up and down are arranged on the frame, the two pressing slide rails are respectively arranged on the left side and the right side of the frame, and the left end and the right end of the upper pressing knife are respectively connected with the two pressing slide rails in a sliding manner;

the lower pressing knife can support the plate, so that the plate can be fed and discharged conveniently, and the upper pressing knife only needs to be driven to move up and down; the pressing slide rail can improve the up-and-down moving stability of the upper pressing knife and improve pressing force.

The pressing driving mechanism comprises a pressing motor fixedly installed on the frame, a pressing screw rod extending upwards and downwards, and a pressing frame in threaded transmission connection with the pressing screw rod, the pressing frame is fixedly connected with the pressing knife, and the pressing motor is in transmission connection with the pressing screw rod.

When the plate is required to be compressed or loosened, the compressing motor drives the compressing screw rod to rotate, the compressing frame and the compressing screw rod are in threaded transmission, the compressing frame moves in the up-and-down direction, and compressing force can be improved through threaded matching of the screw rod and the screw hole.

As a further improvement of the above technical solution, the left and right sides of the rotary tool apron are fixed with rotary mounting arms, the rotary mounting arms are provided with rotary mounting shafts coaxial with the bending rotation axis, the two rotary mounting shafts are rotatably connected with the frame, the rotary bending driving assembly includes a bending rotating motor, and the bending rotating motor is in transmission connection with the rotary mounting shafts.

When bending, the rotatory installation axle of the rotating electrical machines drive of bending rotates, and then drives rotatory blade holder rotatory, and two rotating electrical machines of bending of this scheme are rotatory through two rotatory installation axles of two rotating electrical machines synchronous drive of bending.

As a further improvement of the above technical solution, a lifting guide rail is provided on the rotary knife holder and extends vertically, the sliding knife holder is slidably connected to the lifting guide rail, the lifting driving assembly includes a lifting motor, a lifting screw rod, and a lifting nut seat, the lifting screw rod extends along the lifting guide rail, the lifting motor is fixed on the sliding knife holder, the lifting nut seat is fixed on the rotary knife holder, the lifting motor is in transmission connection with the lifting screw rod, and the lifting screw rod is in threaded connection with the lifting nut seat.

The lifting screw rod is driven to rotate by the lifting motor, and the sliding tool apron is driven to slide along the lifting guide rail relative to the rotating tool apron under the transmission of the lifting screw rod and the lifting nut seat.

As a further improvement of the technical scheme, the tool rest is provided with a swing shaft piece coaxially arranged with the tool changing rotation axis, the tool rest is rotatably installed on the sliding tool apron through the swing shaft piece, the tool changing swing driving assembly comprises a swing driving oil cylinder, two ends of the swing driving oil cylinder are respectively hinged with the sliding tool apron and the tool rest, and two hinged parts of the swing driving oil cylinder are eccentrically arranged with the tool changing rotation axis.

When the cutter body needs to be bent to swing, the cutter frame swings around the swing shaft piece, so that the structural strength of the cutter frame can be improved, the swing driving oil cylinder drives the cutter frame to swing, and the firmness and the stability of the positioning of the cutter frame can be improved.

As a further improvement of the technical scheme, the single-knife bending machine further comprises a bending feeding table, the bending feeding table comprises a table frame, a feeding rotating device and a positioning device, the table frame is provided with a table top horizontally arranged at the front sides of the upper pressing knife and the lower pressing knife, the table top is provided with a feeding groove extending forwards and backwards, a second positioning groove and a first positioning groove arranged at intervals forwards and backwards, the second positioning groove and the first positioning groove both extend leftwards and rightwards, the first positioning groove is arranged at the side of the front end of the feeding groove, and the second positioning groove is arranged at the end side of the front end of the feeding groove; the feeding and rotating device comprises a plate locking mechanism, a rotary driving mechanism and a feeding driving mechanism, wherein the rotary driving mechanism is provided with a rotary output shaft vertically arranged below the feeding groove, the plate locking mechanism is arranged at the upper end of the rotary output shaft, the feeding driving mechanism is provided with a feeding driving end which is in transmission connection with the rotary driving mechanism and enables the rotary driving mechanism to move along the feeding groove, the plate locking mechanism is arranged in the feeding groove, the plate locking mechanism and the table board are arranged on the same horizontal plane, the positioning device comprises a first positioning mechanism and a second positioning mechanism, the first positioning mechanism comprises a first positioning cylinder and a positioning linear driving assembly vertically arranged below the table board, the first positioning cylinder is in transmission connection with a first positioning block which can move up and down in the first positioning groove, the positioning linear driving assembly is provided with a linear driving end which is in transmission connection with the first positioning cylinder and enables the first positioning cylinder to move along the first positioning groove, the second positioning mechanism comprises at least two second positioning cylinders which are vertically arranged below the table board, the at least two second positioning cylinders are arranged below the second positioning groove at left and right intervals, the second positioning cylinders can slide in left and right directions relative to the table board, and the second positioning cylinders are in transmission connection with second positioning blocks which can move up and down in the second positioning grooves.

When the device is used, a plate is placed on the table top, the second positioning cylinder on the second positioning mechanism drives the second positioning block to upwards extend out of the second positioning groove, the first positioning cylinder on the first positioning mechanism drives the first positioning block to upwards extend out of the first positioning groove, the front edge of the plate is abutted against at least two second positioning blocks arranged at intervals, positioning of the plate in the front and back direction is realized, the plate is placed in a left-right extending mode, then the linear driving end on the positioning linear driving assembly drives the first positioning cylinder to move along the first positioning groove, the first positioning block is further driven to push the plate to move leftwards or rightwards, positioning of the plate in the left and right direction is realized, after the plate is positioned in the left and right direction and in the front and back direction, the locking mechanism is contacted with the bottom surface of the plate and locks the plate, at the moment, the rotation driving mechanism can drive the locking mechanism to rotate around the axis of the rotation output shaft together with the plate, the bending processing on different edges of the plate can be realized, the feeding driving mechanism drives the rotary driving mechanism to convey the plate together with the locking mechanism and the plate to the position between the upper pressing knife and the lower pressing knife along the feeding groove, and the position between the second positioning cylinders can be adjusted according to the plates with different sizes, so that the plates with different sizes can be positioned and fed. When panel is carried to the mesa or is unloaded from the mesa, first locating cylinder drives first locating piece down withdrawal fast, and second locating cylinder drives second locating piece down withdrawal fast, does not influence the material loading and the unloading operation of panel, improves speed and the precision to the panel location. The table-board is of a hairbrush board structure.

As a further improvement of the above technical solution, the feeding driving mechanism includes a feeding driving unit installed on the rack, a sliding seat arranged below the table top, a feeding slide rail extending forward and backward and arranged on the rack, the rotary driving mechanism is installed on the sliding seat, the sliding seat is connected with the feeding slide rail in a sliding manner, the feeding driving unit includes a feeding screw rod extending forward and backward, a feeding nut seat connected with the feeding screw rod in a threaded transmission manner, and a feeding motor connected with the feeding screw rod in a transmission manner, the feeding nut seat is fixedly connected with the sliding seat, the rotary driving mechanism includes a feeding rotary motor, and the feeding rotary motor is provided with the rotary output shaft.

As a further improvement of the above technical solution, the first positioning mechanism further includes a first positioning slide rail extending left and right below the table top, the first positioning cylinder is connected to the first positioning slide rail in a sliding manner through a first sliding block, the second positioning mechanism further includes a second positioning slide rail extending left and right below the table top, the second positioning cylinder is connected to the second positioning slide rail in a sliding manner through a second sliding block, the positioning linear driving assembly includes a positioning screw rod extending left and right, a positioning nut seat connected to the positioning screw rod in a threaded transmission manner, and a positioning motor connected to the positioning screw rod in a transmission manner, and the positioning nut seat is fixedly connected to the first positioning cylinder.

As a further improvement of the technical scheme, the plate locking mechanism is arranged to be a sucker component with a negative pressure adsorption fixing function or an electromagnet component with a magnetic adsorption fixing function.

Drawings

The present invention will be further explained with reference to the drawings and examples;

fig. 1 is a schematic structural view of an embodiment of a single-blade bending machine according to the present invention;

fig. 2 is a top view of an embodiment of a single-blade bending machine provided by the present invention;

fig. 3 is a schematic structural view of a rear portion of an embodiment of a single-blade bending machine according to the present invention;

fig. 4 is a schematic structural view of an embodiment of a bending feeding table provided in the present invention;

fig. 5 is a side cross-sectional view of an embodiment of a single-blade bending machine in accordance with the present invention;

fig. 6 is a partially enlarged view a in fig. 5.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if words such as "a plurality" are used, the meaning is one or more, the meaning of a plurality of words is two or more, and the meaning of more than, less than, more than, etc. is understood as not including the number, and the meaning of more than, less than, more than, etc. is understood as including the number.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 6, the single-blade bending machine of the present invention makes the following embodiments:

the single-blade bending machine of the embodiment includes a frame 100, a pressing device 200 and a bending device 300, where the pressing device 200 includes an upper pressing blade 210, a lower pressing blade 220 and a pressing driving mechanism, the upper pressing blade 210 and the lower pressing blade 220 are vertically disposed on the frame 100, the upper pressing blade 210 and the lower pressing blade 220 are both horizontally extended, and the pressing driving mechanism is provided with a pressing driving end, which is in transmission connection with the upper pressing blade 210 and/or the lower pressing blade 220 and enables the upper pressing blade 210 and the lower pressing blade 220 to be close to or away from each other in the vertical direction, specifically: the lower pressing knife 220 is fixed on the rack 100, the rack 100 is provided with two pressing slide rails 110 which extend up and down, the number of the pressing slide rails 110 is two, the two pressing slide rails 110 are respectively arranged on the left side and the right side of the rack 100, the left end and the right end of the upper pressing knife 210 are respectively connected with the two pressing slide rails 110 in a sliding manner, the lower pressing knife 220 can support the plate, the feeding and the blanking of the plate are facilitated, and only the upper pressing knife 210 needs to be driven to move up and down; the pressing slide rail 110 can improve the up-and-down movement stability of the upper pressing knife 210 and improve the pressing force, the pressing driving mechanism comprises a pressing motor 230 fixedly mounted on the frame 100, a pressing screw rod 240 extending up and down, and a pressing frame 250 in threaded transmission connection with the pressing screw rod 240, the pressing frame 250 is fixedly connected with the lower pressing knife 220, the pressing motor 230 is in transmission connection with the pressing screw rod 240, when a plate needs to be pressed or loosened, the pressing motor 230 drives the pressing screw rod 240 to rotate, the pressing frame 250 moves up and down under the threaded transmission of the pressing frame 250 and the pressing screw rod 240, and the pressing force can be improved through the threaded fit of the screw rod and the screw hole.

Bending device 300 sets up in the rear side of last push-type broach 210 and lower push-type broach 220, bending device 300 includes rotatory blade holder 310, slip blade holder 320, knife rest 330, lift drive assembly, tool changing swing drive assembly and the rotatory drive assembly that bends, slip blade holder 320 is provided with and extends the rotation axis of bending that sets up about being, rotatory drive assembly that bends sets up in frame 100, rotatory drive assembly that bends is used for the drive rotatory blade holder 310 winds the rotation axis of bending is rotatory, specifically: the left side and the right side of the rotary knife holder 310 are both fixed with rotary mounting arms 311, the rotary mounting arms 311 are provided with rotary mounting shafts 312 which are coaxially arranged with the bending rotation axis, the rotary mounting shafts 312 are rotatably connected with the rack 100, the rotary bending driving assembly comprises a bending rotary motor 350, the bending rotary motor 350 is in transmission connection with the rotary mounting shafts 312, when the bending is performed, the bending rotary motor 350 drives the rotary mounting shafts 312 to rotate, and then the rotary knife holder 310 is driven to rotate, and the two bending rotary motors 350 drive the two rotary mounting shafts 312 to rotate synchronously through the two bending rotary motors 350.

The lifting driving component is disposed on the rotating tool holder 310, and the lifting driving component is configured to drive the slide tool holder 320 to move up and down relative to the rotating tool holder 310, specifically: the utility model discloses a rotatory blade holder 310, including rotatory blade holder 310, sliding tool holder 320 and lifting guide 313 sliding connection, be provided with on the rotatory blade holder 310 and be the lift guide 313 that extends the setting from top to bottom, sliding tool holder 320 with lifting guide 313 sliding connection, lift drive assembly includes lift motor 360, lift lead screw, lift nut seat, the extension setting of lift lead screw along lift guide 313, lift motor 360 is fixed in on the sliding tool holder 320, lift nut seat is fixed in on the rotatory blade holder 310, lift motor 360 is connected with the transmission of lift lead screw, lift lead screw and lift nut seat threaded connection drive lift lead screw through lift motor 360 and rotate, under the screw transmission of lift lead screw and lift nut seat, drive sliding tool holder 320 and slide along lift guide 313 for rotatory blade holder 310.

Knife rest 330 sets up in sliding knife holder 320, knife rest 330 has the axis and is the tool changing rotation axis that extends the setting about, tool changing swing drive assembly sets up in sliding knife holder 320, and tool changing swing drive assembly is used for the drive knife rest 330 for sliding knife holder 320 winds tool changing rotation axis swings, specifically: the knife rest 330 be provided with the swing axle spare 331 of the coaxial setting of tool changing rotation axis, knife rest 330 rotationally installs on sliding knife holder 320 through swing axle spare 331, tool changing swing drive assembly includes swing actuating cylinder 370, swing actuating cylinder 370's both ends are articulated with sliding knife holder 320, knife rest 330 respectively, swing actuating cylinder 370's two articulated departments all with tool changing rotation axis eccentric settings drives knife rest 330 swing through swing actuating cylinder 370, can improve the fastness and the stability of knife rest 330 location.

A bending cutter body 340 extending left and right is disposed at the upper end of the cutter holder 330, a first bending blade 341 extending left and right is disposed at the front edge of the top of the bending cutter body 340, a second bending blade 342 extending left and right is disposed at the rear edge of the top of the bending cutter body 340, and the bending rotation axis is disposed on the swing path of the first bending blade 341 and the second bending blade 342.

When the plate bending machine is used, a plate is placed between the upper pressing cutter 210 and the lower pressing cutter 220, the upper pressing cutter 210 and the lower pressing cutter 220 are driven to mutually approach in the vertical direction through a pressing driving end on the pressing driving mechanism to press the plate, the rear edge of the plate to be bent extends out of the rear sides of the upper pressing cutter 210 and the lower pressing cutter 220, the plate and a bending rotation axis are located on the same plane, during bending, the lifting driving assembly drives the sliding cutter holder 320 to move upwards to enable the bending cutter body 340 to move upwards until the first bending cutter blade 341 and the bending rotation axis are collinear, then the rotary bending driving assembly drives the rotary cutter holder 310 to rotate around the bending rotation axis towards the upper right side, so that the bending cutter body 340 is driven to bend the lower surface of the plate upwards, after one-time bending, the rotary bending driving assembly continues to drive the rotary cutter holder 310 to rotate towards the upper right side, and simultaneously the swinging driving assembly drives the cutter holder 330 to drive the rear cutter holder 330 to rotate around the plate bent around the rotation axis The side swing to and lift drive assembly drive slip blade holder 320 resets, make the bending cutter body 340 can avoid the panel after bending when rotating, simultaneously when rotatory blade holder 310 rotatory to vertical back, also make the second bend sword 342 with the rotation axis of bending is in on the same vertical face, the panel that will process moves the distance of settlement backward, then lift drive assembly drive slip blade holder 320 moves down, make the bending cutter body 340 move down to the second bend sword 342 with the rotation axis collineation of bending, later rotatory drive assembly drive rotation blade holder 310 of bending wind the rotation axis of bending is turned right the downside and is rotated, thereby the drive bending cutter body 340 realizes bending down to the panel upper surface, and then the utility model discloses a two-sided bending to panel can be realized to one bending cutter body 340.

Further, the upper pressing knife 210 is provided with an upper pressing tail 211 extending backwards, the lower pressing knife 220 is provided with a lower pressing tail 221 extending backwards, the rear edge of the upper pressing tail 211, the rear edge of the lower pressing tail 221 and the bending rotation axis are arranged on the same vertical plane, when the plate is bent, the rear edge of the plate needs to extend out of the rear side between the upper pressing tail 211 and the lower pressing tail 221, when the plate is bent downwards, the second bending knife edge 342 is abutted against the upper surface of the plate, when the plate is bent upwards, the first bending knife edge 341 is abutted against the lower surface of the plate, so that the stress of the bent part of the plate is more stable, the bending angle is enlarged, and the bending knife body 340 is not interfered with the upper pressing knife and the lower pressing knife.

Furthermore, the single-blade bending machine further comprises a bending feeding table 400, the bending feeding table 400 comprises a table frame 410, a feeding rotating device and a positioning device, the table frame 410 is provided with a table top 411 horizontally arranged on the front sides of the upper pressing blade 210 and the lower pressing blade 220, the table top 411 is provided with a feeding groove 414 extending forwards and backwards, a second positioning groove 412 and a first positioning groove 413 arranged forwards and backwards at intervals, the second positioning groove 412 and the first positioning groove 413 both extend leftwards and rightwards, the first positioning groove 413 is arranged on the side of the front end of the feeding groove 414, and the second positioning groove 412 is arranged on the end side of the front end of the feeding groove 414; the feeding and rotating device comprises a plate locking mechanism, a rotary driving mechanism and a feeding driving mechanism, wherein the rotary driving mechanism is provided with a rotary output shaft vertically arranged below a feeding groove 414, the plate locking mechanism is arranged at the upper end of the rotary output shaft, the feeding driving mechanism is provided with a feeding driving end which is in transmission connection with the rotary driving mechanism and enables the rotary driving mechanism to move along the feeding groove 414, the plate locking mechanism is arranged on the feeding groove 414, the plate locking mechanism and the table top 411 are arranged on the same horizontal plane, the positioning device comprises a first positioning mechanism and a second positioning mechanism, the first positioning mechanism comprises a first positioning cylinder 420 and a positioning linear driving component which are vertically arranged below the table top 411, the first positioning cylinder 420 is in transmission connection with a first positioning block 421 which can move up and down in a first positioning groove 413, the positioning linear driving assembly is provided with a linear driving end which is in transmission connection with the first positioning cylinder 420 and enables the first positioning cylinder 420 to move along the first positioning groove 413, the second positioning mechanism comprises at least two second positioning cylinders 430 which are vertically arranged below the table top 411, the at least two second positioning cylinders 430 are arranged below the second positioning groove 412 at left and right intervals, the second positioning cylinders 430 can slide in left and right directions relative to the table top 411, the second positioning cylinders 430 are in transmission connection with second positioning blocks 431 which can move up and down in the second positioning grooves 412, when in use, a plate is placed on the table top 411, the second positioning cylinders 430 on the second positioning mechanisms drive the second positioning blocks 431 to extend upwards out of the second positioning grooves 412, the first positioning cylinders 420 on the first positioning mechanisms drive the first positioning blocks 421 to extend upwards out of the first positioning grooves 413, the front edge of the plate is abutted against at least two second positioning blocks 431 which are arranged at intervals, so that the plate is positioned in the front-back direction and is extended leftwards and rightwards, then a linear driving end on a positioning linear driving assembly drives a first positioning cylinder 420 to move along a first positioning groove 413, so that a first positioning block 421 is driven to push the plate to move leftwards or rightwards, so that the plate is positioned in the left-right direction, after the plate is positioned in the left-right direction and the front-back direction, a locking mechanism is contacted with the bottom surface of the plate and locks the plate, at the moment, a rotary driving mechanism can drive the locking mechanism and the plate to rotate around the axis of a rotary output shaft together, so that the bending processing of different edges of the plate can be realized, and a feeding driving mechanism drives the rotary driving mechanism and the locking mechanism, and the plate are conveyed to the position between the upper pressing knife 210 and the lower pressing knife 220 along a feeding groove 414, the position between the second positioning cylinders 430 can be adjusted according to the plates with different sizes, so that the plates with different sizes can be positioned and fed. When the plate is conveyed to the table top 411 or is unloaded from the table top 411, the first positioning cylinder 420 rapidly drives the first positioning block 421 to retract downwards, and the second positioning cylinder 430 rapidly drives the second positioning block 431 to retract downwards, so that the feeding and blanking operations of the plate are not affected, and the speed and the precision of the positioning of the plate are improved. The table 411 is a brush plate structure.

Specifically, the method comprises the following steps: the feeding driving mechanism comprises a feeding driving unit arranged on the rack 410, a sliding seat 440 arranged below the table top 411, a feeding sliding rail 450 arranged on the rack 410 in a front-back extending mode, a rotating driving mechanism arranged on the sliding seat 440, the sliding seat 440 and the feeding sliding rail 450 are in sliding connection, the feeding driving unit comprises a feeding screw rod 460 arranged in a front-back extending mode, a feeding nut seat 470 connected with the feeding screw rod 460 in a threaded transmission mode, and a feeding motor 480 connected with the feeding screw rod 460 in a transmission mode, the feeding nut seat 470 is fixedly connected with the sliding seat 440, the rotating driving mechanism comprises a feeding rotating motor 490, and the feeding rotating motor 490 is provided with the rotating output shaft.

First positioning mechanism still including being about extending and setting up in the first location slide rail 415 of mesa 411 below, first location cylinder 420 through first sliding block with first location slide rail 415 sliding connection, second positioning mechanism still including being about extending and setting up in the second location slide rail 416 of mesa 411 below, second location cylinder 430 through the second sliding block with second location slide rail 416 sliding connection, location straight line drive assembly including be about extending the location lead screw that sets up, with location lead screw threaded transmission be connected the location nut seat, with the location motor 422 that the transmission of location lead screw is connected, the location nut seat with first location cylinder 420 fixed connection.

The plate locking mechanism is arranged to be a sucker component 500 with a negative pressure adsorption fixing function or an electromagnet component with a magnetic adsorption fixing function.

In some embodiments, the pressing driving mechanism and the lifting driving mechanism may be other linear driving mechanisms, such as a hydraulic rod, an electric push rod, etc., and there may be a plurality of moving manners between the upper pressing blade 210 and the lower pressing blade 220, and the pressing driving mechanism may drive only the lower pressing blade 220 to move, while the upper pressing blade 210 is fixed, or drive the upper pressing blade 210 and the lower pressing blade 220 to move together.

In some embodiments, the feeding driving mechanism and the positioning linear driving assembly can be selected from other linear driving structures, such as an electric push rod, a hydraulic rod and the like.

In some embodiments, the lifting drive assembly may employ other linear drive structures, such as an electric push rod, a hydraulic rod, etc.; other rotation driving structures can be adopted for the tool changing swing driving assembly and the rotary bending driving assembly, and rotation and swing can be realized.

The swing amplitude of the tool holder 330 is related to the thickness of the bending tool body 340 and the length of the bent plate, and preferably, the swing amplitude of the tool holder 330 is the distance between the first bending blade 341 and the second bending blade 342, so that the first bending blade 341 and the second bending blade 342 correspond to the bending rotation axis more precisely.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the details of the embodiments shown, but is capable of various modifications and substitutions without departing from the spirit of the invention.

Claims

1. The utility model provides a single-knife bender which characterized in that: it includes:

a frame (100);

the pressing device (200) comprises an upper pressing knife (210), a lower pressing knife (220) and a pressing driving mechanism, wherein the upper pressing knife (210) and the lower pressing knife (220) are vertically arranged on the rack (100), the upper pressing knife (210) and the lower pressing knife (220) extend leftwards and rightwards, and the pressing driving mechanism is provided with a pressing driving end which is in transmission connection with the upper pressing knife (210) and/or the lower pressing knife (220) and enables the upper pressing knife (210) and the lower pressing knife (220) to be close to or far away from each other in the vertical direction;

the bending device (300) is arranged at the rear sides of the upper pressing cutter (210) and the lower pressing cutter (220), the bending device (300) comprises a rotary cutter holder (310), a sliding cutter holder (320), a cutter holder (330), a lifting driving component, a cutter changing swinging driving component and a rotary bending driving component, the sliding cutter holder (320) is provided with a bending rotation axis which extends left and right, the rotary bending driving component is arranged on the rack (100), the rotary bending driving component is provided with a rotary driving end which is in transmission connection with the rotary cutter holder (310) and enables the rotary cutter holder (310) to rotate around the bending rotation axis, the lifting driving component is arranged on the rotary cutter holder (310), the lifting driving component is provided with a lifting driving end which is in transmission connection with the sliding cutter holder (320) and enables the sliding cutter holder (320) to move up and down relative to the rotary cutter holder (310), the tool rest (330) is arranged on the sliding tool holder (320), the tool rest (330) is provided with a tool changing rotation axis with the axis extending left and right, the tool changing swing driving component is arranged on the sliding tool apron (320), the tool changing swing driving component is provided with a swing driving end which is in transmission connection with the tool rest (330) and enables the tool rest (330) to rotate around the tool changing rotation axis relative to the sliding tool apron (320), a bending cutter body (340) which extends left and right is arranged at the upper end of the cutter frame (330), a first bending blade (341) extending left and right is arranged at the front edge of the top of the bending blade body (340), a second bending blade (342) which extends left and right is arranged at the rear edge of the top of the bending blade body (340), the bending rotation axis is provided on the swing locus of the first bending blade (341) and the second bending blade (342).

2. Single-blade bending machine according to claim 1, characterized in that:

the upper pressing knife (210) is provided with an upper pressing tail part (211) extending backwards, the lower pressing knife (220) is provided with a lower pressing tail part (221) extending backwards, and the rear edge of the upper pressing tail part (211), the rear edge of the lower pressing tail part (221) and the bending rotation axis are arranged on the same vertical plane.

3. Single-blade bending machine according to claim 1, characterized in that:

the lower pressing knife (220) is fixed on the rack (100), the rack (100) is provided with two pressing slide rails (110) which extend up and down, the two pressing slide rails (110) are respectively arranged on the left side and the right side of the rack (100), and the left end and the right end of the upper pressing knife (210) are respectively connected with the two pressing slide rails (110) in a sliding manner;

the pressing driving mechanism comprises a pressing motor (230) fixedly mounted on the rack (100), a pressing screw rod (240) extending up and down and a pressing frame (250) in threaded transmission connection with the pressing screw rod (240), the pressing frame (250) is fixedly connected with the pressing knife (220), and the pressing motor (230) is in transmission connection with the pressing screw rod (240).

4. Single-blade bending machine according to claim 1, characterized in that:

the left side and the right side of the rotary tool apron (310) are respectively fixed with a rotary mounting arm (311), the rotary mounting arms (311) are provided with rotary mounting shafts (312) which are coaxially arranged with the bending rotation axis, the rotary mounting shafts (312) are rotatably connected with the rack (100), each rotary bending driving assembly comprises a bending rotating motor (350), and the bending rotating motors (350) are in transmission connection with the rotary mounting shafts (312).

5. Single-blade bending machine according to claim 1, characterized in that:

be provided with on rotatory blade holder (310) and be lift guide (313) that extend the setting from top to bottom, slip blade holder (320) with lift guide (313) sliding connection, lift drive assembly includes elevator motor (360), lift lead screw, lift nut seat, the extension setting of lift guide (313) is followed to the lift lead screw, on elevator motor (360) are fixed in slip blade holder (320), on the lift nut seat is fixed in rotatory blade holder (310), elevator motor (360) are connected with the lift lead screw transmission, lift lead screw and lift nut seat threaded connection.

6. Single-blade bending machine according to claim 1, characterized in that:

knife rest (330) be provided with swing axle spare (331) of the coaxial setting of tool changing rotation axis, knife rest (330) rotationally install on slip blade holder (320) through swing axle spare (331), tool changing swing drive assembly includes swing actuating cylinder (370), the both ends of swing actuating cylinder (370) are articulated with slip blade holder (320), knife rest (330) respectively, two articulated departments of swing actuating cylinder (370) all with tool changing rotation axis eccentric settings.

7. Single-blade bending machine according to claim 1, characterized in that:

the single-knife bending machine further comprises a bending feeding table (400), the bending feeding table (400) comprises a rack (410), a feeding rotating device and a positioning device, the rack (410) is provided with a table top (411) which is horizontally arranged on the front sides of the upper pressing knife (210) and the lower pressing knife (220), the table top (411) is provided with a feeding groove (414) which extends forwards and backwards, second positioning grooves (412) and first positioning grooves (413) which are arranged at intervals forwards and backwards, the second positioning grooves (412) and the first positioning grooves (413) both extend leftwards and rightwards, the first positioning grooves (413) are arranged on the side of the front end of the feeding groove (414), and the second positioning grooves (412) are arranged on the end side of the front end of the feeding groove (414); the feeding and rotating device comprises a plate locking mechanism, a rotary driving mechanism and a feeding driving mechanism, wherein the rotary driving mechanism is provided with a rotary output shaft which is vertically arranged below a feeding groove (414), the plate locking mechanism is arranged at the upper end of the rotary output shaft, the feeding driving mechanism is provided with a feeding driving end which is in transmission connection with the rotary driving mechanism and enables the rotary driving mechanism to move along the feeding groove (414), the plate locking mechanism is arranged in the feeding groove (414), the plate locking mechanism and the table board (411) are arranged on the same horizontal plane, the positioning device comprises a first positioning mechanism and a second positioning mechanism, the first positioning mechanism comprises a first positioning cylinder (420) and a positioning linear driving assembly which are vertically arranged below the table board (411), the first positioning cylinder (420) is in transmission connection with a first positioning block (421) which can move up and down in a first positioning groove (413), the positioning linear driving assembly is provided with a linear driving end which is in transmission connection with the first positioning cylinder (420) and enables the first positioning cylinder (420) to move along the first positioning groove (413), the second positioning mechanism comprises at least two second positioning cylinders (430) which are vertically arranged below the table board (411), the at least two second positioning cylinders (430) are arranged below the second positioning groove (412) in a left-right mode at intervals, the second positioning cylinders (430) can slide in the left-right direction relative to the table board (411), and the second positioning cylinders (430) are in transmission connection with second positioning blocks (431) which can move up and down in the second positioning grooves (412).

8. The single-blade bending machine according to claim 7, wherein:

the feeding driving mechanism comprises a feeding driving unit installed on the rack (410), a sliding seat (440) arranged below the table top (411), a feeding sliding rail (450) arranged on the rack (410) and extending forwards and backwards, a rotary driving mechanism installed on the sliding seat (440), the sliding seat (440) is in sliding connection with the feeding sliding rail (450), the feeding driving unit comprises a feeding screw rod (460) extending forwards and backwards, a feeding nut seat (470) connected with the feeding screw rod (460) in a threaded transmission manner, and a feeding motor (480) connected with the feeding screw rod (460) in a transmission manner, the feeding nut seat (470) is fixedly connected with the sliding seat (440), the rotary driving mechanism comprises a feeding rotary motor (490), and the feeding rotary motor (490) is provided with a rotary output shaft.

9. The single-blade bending machine according to claim 7, wherein:

first positioning mechanism still including be about being extend set up in first location slide rail (415) of mesa (411) below, first location cylinder (420) through first sliding block with first location slide rail (415) sliding connection, second positioning mechanism still including be about being extend set up in second location slide rail (416) of mesa (411) below, second location cylinder (430) through the second sliding block with second location slide rail (416) sliding connection, location straight line drive assembly including be about extend set up location lead screw, with location lead screw thread drive be connected location nut seat, with location lead screw drive connection's location motor (422), location nut seat with first location cylinder (420) fixed connection.

10. The single-blade bending machine according to claim 7, wherein:

the plate locking mechanism is arranged to be a sucker component (500) with a negative pressure adsorption fixing function or an electromagnet component with a magnetic adsorption fixing function.