CN212703984U - Automatic cutting and bending machine - Google Patents

Abstract

The utility model relates to an automatic cut-off crib crimper relates to sheet metal processing equipment's technical field, and it includes the frame, is provided with in the frame and presss from both sides tight bending apparatus and cutting device, still includes positioning mechanism, and positioning mechanism includes locating lever and second drive arrangement, and second drive arrangement is used for driving the locating lever oscilaltion, and when the second drive arrangement locating lever was ejecting, sheet metal's breach was worn to establish by the locating lever to waterproof along the butt with the breach both sides. This application has the effect of avoiding sheet metal to buckle or cut off position mistake.

Description

Automatic cutting and bending machine

Technical Field

The application relates to the technical field of sheet metal processing equipment, in particular to an automatic cutting and bending machine.

Background

The metal box is generally including the casing that is the rectangle frame form, the backplate and the door body, the casing generally accomplishes the cutting shaping for sheet metal in succession, refer to fig. 1, one side that the casing is provided with the door body can set up a plurality of waterproof edges, one side that the casing is provided with the backplate is provided with backplate connecting portion, each waterproof edge sets up respectively on each side of each casing, can set up the incision that is the triangle-shaped shape and sets up between the two waterproof edges of adjacent setting, when producing the casing, generally utilize to cut off the bending machine and carry out the shaping of buckling in succession to the sheet metal that is provided with waterproof edge, each kink or the cutting position of sheet metal are corresponding with each incision respectively.

The automatic cutting and bending machine disclosed in chinese patent with the publication number CN209754518U in the prior art comprises a frame, wherein a clamping and bending device and a cutting device are arranged on the frame, the clamping and bending device and the cutting device are arranged on the same horizontal line, the clamping and bending device comprises an upper clamping block and a lower clamping block for clamping a plate, a bending block is arranged on one side of the upper clamping block and one side of the lower clamping block, the cutting device comprises an upper cutter and a lower cutter for cutting the plate, the upper cutter is connected with a cutting oil cylinder, the cutting oil cylinder is connected with an upper cutter holder, and the upper cutter is arranged on the upper cutter holder.

In view of the above-mentioned related technologies, the applicant has found that when a conventional cutting and bending machine bends or cuts a metal plate, the accuracy of the bent or cut portion cannot be ensured, and a waterproof edge is bent, so that the problem of serious inferior products in the production of the housing is always caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of wrong bending or cutting positions of a metal plate, the application provides an automatic cutting and bending machine.

The application provides an automatic cut-off crib crimper adopts following technical scheme:

the utility model provides an automatic cut-off crib crimper, includes the frame, be provided with in the frame and press from both sides tight bending apparatus and cutting device, still include positioning mechanism, positioning mechanism includes locating lever and second drive arrangement, second drive arrangement is used for driving the locating lever oscilaltion, works as when the second drive arrangement locating lever is ejecting, sheet metal's breach is worn to establish by the locating lever to with the waterproof butt of following of breach both sides.

Through adopting above-mentioned technical scheme, when sheet metal carried to the position department that needs buckle or cut off, control second drive arrangement locating lever was ejecting to reach the breach that the drive locating lever wore through sheet metal, at this moment, the locating lever can lead to the fact the hindrance to sheet metal's removal, thereby make sheet metal can not continue to move, reach the effect that restriction sheet metal along the ascending position of direction of delivery, ensure that sheet metal buckles or the position of cutting off can be corresponding with sheet metal's breach position.

Preferably, the horizontal cross section of the positioning rod is arranged in a circular shape.

Through adopting above-mentioned technical scheme, set the horizontal cross section of locating lever to circularly for when the breach was worn to establish by the locating lever, and the outer wall of locating lever respectively with the twice when waterproof along close one end butt, can reserve out certain space between the outer wall of locating lever and sheet metal's the kink, thereby the cutting device of being convenient for cuts off sheet metal.

Preferably, the lower extreme of locating lever is provided with the radius angle, the downside of radius angle is connected with the lower terminal surface of locating lever, the upside of radius angle is connected with the outer wall of locating lever.

Through adopting above-mentioned technical scheme, set up the effect that the fillet on the locating lever can play the direction for the breach is worn to establish more easily by the locating lever.

Preferably, the positioning rod is detachably connected with the positioning rod in a threaded connection mode.

Through adopting above-mentioned technical scheme, the casing of different specifications, the size of the breach on the sheet metal is also different, can realize through threaded connection's mode that the dismantlement between second drive arrangement and the locating lever is connected, and the staff of being convenient for changes the locating lever of corresponding specification according to the actual size of breach.

Preferably, the water draining device further comprises an infrared sensor arranged on the rack, a probe of the infrared sensor is aligned to the water draining edge, and the infrared sensor is in control connection with the second driving device.

Through adopting above-mentioned technical scheme, whether the position that utilizes infrared ray sensor can detect the breach is corresponding with the locating lever, then can accurate control locating lever wear to establish the breach of sheet metal through the control connection between infrared ray sensor and the second drive arrangement.

Preferably, the positioning mechanism is arranged on an upper tool apron of the cutting device, and the positioning rod of the second driving device is arranged downwards and penetrates through the upper tool apron.

Through adopting above-mentioned technical scheme, through setting up second drive arrangement on last blade holder, the staff of being convenient for overhauls second drive arrangement.

Preferably, the positioning mechanism is arranged in the rack, the positioning mechanism is arranged close to the clamping and bending device, and the second driving device positioning rod is upwards arranged and penetrates through the upper surface of the rack.

Through adopting above-mentioned technical scheme, through setting up second drive arrangement in the frame, can avoid the bearing pressure of going up the blade holder too big, make simultaneously to go up the blade holder and need not to reserve second drive arrangement's mounted position, effectively reduce the length of going up the blade holder.

Preferably, the waterproof rack further comprises a guide roller, two ends of the guide roller are respectively connected with the left side and the right side of the rack in a rotating mode, a plurality of guide wheels are arranged on the guide roller, and each guide wheel is respectively connected with the waterproof edge and the backboard connecting portion.

Through adopting above-mentioned technical scheme, utilize the cooperation between guide roll and the leading wheel can restrict sheet metal's moving direction, play the effect of rectifying, ensure sheet metal's the line of buckling and line of cut and sheet metal's length direction looks vertically.

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

when the metal plate is cut off and bent, the position of the notch of the metal plate can be limited, so that the position of the notch of the metal plate corresponds to the cutting and bending positions of the metal plate;

the structure is simple, the implementation is convenient, the implementation cost is low, the automatic cutting and bending machine can be improved and used on the existing automatic cutting and bending machine, and the popularization is convenient;

the conveying deviation of the metal plates can be prevented, the cutting and bending quality of the metal plates is effectively ensured, and the yield of the shell is ensured.

Drawings

FIG. 1 is a front view of a housing produced by an embodiment of the present application, when unwelded;

FIG. 2 is a front view of an automatic cutout bender according to an embodiment of the present application;

FIG. 3 is a schematic view of a vertical plane layout of an automatic cutout bender according to an embodiment of the present application;

FIG. 4 is a front view of a housing of an embodiment of the present application;

FIG. 5 is an internal schematic view of a housing according to an embodiment of the present application;

FIG. 6 is a schematic view of a vertical plane arrangement of a rack of an embodiment of the present application;

FIG. 7 is a front view of a cutting device according to an embodiment of the present application;

FIG. 8 is an enlarged view of part B of FIG. 7;

FIG. 9 is a schematic view of a vertical plane arrangement of a cutting device according to an embodiment of the present application;

FIG. 10 is a front view of a pinch-and-buckle device according to an embodiment of the present application;

FIG. 11 is a schematic view of a vertical plane arrangement of a pinch-and-buckle device according to an embodiment of the present application;

FIG. 12 is a front view of a positioning mechanism of an embodiment of the present application;

fig. 13 is an enlarged partial schematic view of a in fig. 12.

Reference numerals: 1. a frame; 11. a base; 12. a support plate; 121. a mounting frame; 13. a slide rail; 14. a first driving device; 15. a fixing plate; 16. a limit screw; 2. a cutting device; 21. an upper tool apron; 211. a positioning bar; 212. a stepped groove; 22. feeding a cutting die; 221. a deformation groove; 23. a lower tool apron; 24. a lower cutter; 25. a first drive assembly; 26. a substrate; 261. a through groove; 27. a first guide post; 28. a second guide post; 281. mounting a plate; 282. a clamping part; 283. a spring; 271. a first connecting plate; 3. clamping the bending device; 31. an upper clamping block; 311. a yielding groove; 32. a bending block; 321. a hinged support; 33. a second drive assembly; 331. clamping the oil cylinder; 332. bending the oil cylinder; 34. a third guide bar; 341. a second connecting plate; 342. a mounting seat; 35. a lower clamping block; 4. a positioning mechanism; 41. a first positioning mechanism; 42. a second positioning mechanism; 43. a second driving device; 44. positioning a rod; 45. adjusting a rod; 451. an adjustment groove; 46. an infrared sensor; 47. a guide roller; 471. a guide wheel; 5. a housing; 51. a waterproof edge; 52. a back plate connecting part; 53. an end-to-end connection.

Detailed Description

The present application is described in further detail below with reference to figures 1-13.

The embodiment of the application discloses automatic cutting-off bending machine. Referring to fig. 2 and 3, the automatic cutting and bending machine includes a frame 1, a clamping and bending device 3, a cutting device 2, and a positioning mechanism 4, wherein the clamping and bending device 3, the cutting device 2, and the positioning mechanism 4 are all disposed on the frame 1.

Referring to fig. 4 and 5, frame 1 includes base 11, backup pad 12, slide rail 13 and first drive arrangement 14, slide rail 13 is provided with two, two slide rails 13 all set up in frame 1 and keep away from one of metal to panel feeding direction and serve, and two slide rails 13 set up respectively on the left and right sides of base 11, two slide rails 13 all extend the setting along sheet metal's direction of delivery, the both ends of backup pad 12 are connected with two slide rails 13 respectively, press from both sides tight bending apparatus 3, cutting device 2 and positioning mechanism 4 all set up in backup pad 12, first drive arrangement 14 is used for driving backup pad 12 to make a round trip to slide along the length direction of guide rail.

Referring to fig. 6, the first driving device 14 is matched with the base 11 and the support plate 12, so that the first driving device 14 can push the support plate 12 to move back and forth along the length direction of the slide rail 13, and thus when the metal plate is continuously conveyed, the clamping and bending device 3, the cutting device 2 and the positioning mechanism 4 do not need to be stopped, and the processing efficiency of the automatic cutting and bending machine is effectively ensured.

Wherein the first driving device 14 may be configured as a cylinder or a cylinder.

Referring to fig. 4, a fixing plate 15 is further disposed at one end of the base 11 where the cutting device 2 is disposed, a limit screw 16 is connected to the fixing plate 15 in a threaded manner, one end of the limit screw 16, which is far away from the fixing plate 15, can abut against the support plate 12, and when the support plate 12 moves to a specified position, the support plate 12 can abut against the limit screw 16, so that an effect of limiting the moving position of the support plate 12 is achieved; meanwhile, the position of the threaded connection between the limit screw 16 and the fixing plate 15 can be adjusted according to the actual size of each side plate of the shell 5, so that the shell 5 with different sizes can be adapted to production and use.

Referring to fig. 7 and 8, the cutting device 2 includes an upper tool post 21, an upper tool block 22, a lower tool post 23, a lower tool 24, and a first driving assembly 25, the upper tool block 22 is disposed at a lower side of the upper tool post 21, the lower tool 24 is disposed at an upper side of the lower tool post 23, and the first driving assembly 25 is used for the upper tool post 21 and the lower tool post 23 to move toward each other or move away from each other; when the upper tool apron 21 and the lower tool apron 23 move towards each other, the upper cutting die 22 and the lower cutting knife 24 can cooperate to cut the metal plate.

The upper cutting die 22 is provided with a plurality of parts, the upper side of each upper cutting die 22 is detachably connected with the upper tool apron 21, each upper cutting die 22 is arranged along the length direction of the upper tool apron 21, the lower side of each upper cutting die 22 is provided with a deformation groove 221, and when the upper cutting dies 22 are combined together, the deformation grooves 221 are communicated into a whole; wherein, the thickness of lower cutter 24 slightly is less than the width of flute 221, and the upper surface slope of lower cutter 24 sets up, and the upper surface slope direction of lower cutter 24 sets up along the thickness direction of lower cutter 24, and lower cutter 24 is provided with the blade and is tangent with one side of flute 221 far away from clamping bending device 3, and the horizontal height of the one side that lower cutter 24 was provided with the blade is higher than the horizontal height of the one side that the cutter was not provided with the blade.

Referring to fig. 8, a plurality of stepped grooves 212 are formed in the upper tool apron 21, each upper cutting die 22 is fixed to the upper tool apron 21 by using a bolt locking manner, and nuts for locking each bolt of the upper cutting die 22 are respectively clamped in each stepped groove 212; wherein, still be provided with location strip 211 at the lower surface of last blade holder 21, location strip 211 is provided with two, and two location strips 211 set up respectively on the front and back both sides of last blade holder 21, and each upper cutting die 22 all sets up between two location strips 211.

When cutting device 2 need cut off sheet metal, the blade that goes up the cutter through first drive assembly 25 drive meets with last cutting die 22, at this moment, the blade of going up the cutter can produce the shearing force to sheet metal with the lower surface cooperation of last cutting die 22, thereby reach the effect of cutting off sheet metal, after sheet metal cuts off, go up the cutter and continue to move up, this moment, because sheet metal still partly covers the notch of deformation groove 221, consequently, along with going up the continuation of cutter and moving up, go up the cutter and can drive sheet metal and be located the part of deformation groove 221 notch and upwards buckle, thereby form the end tail-connecting portion 53 that is used for connecting the both ends of casing 5 as an organic whole.

Referring to fig. 7, the cutting device 2 further includes a base plate 26, the base plate 26 is mounted on the upper surface of the mounting plate 281, the upper tool apron 21 is disposed above the base plate 26, the lower tool apron 23 is disposed below the base plate 26, a through groove 261 through which the upper cutter passes is disposed on the base plate 26, first guide posts 27 are vertically disposed at both ends of the base plate 26, each first guide post 27 is slidably connected with the support plate 12, the sliding direction of each first guide post 27 is disposed, the upper end of each first guide post 27 is fixed to both ends of the upper tool apron 21, the lower end of each first guide post 27 is connected with a first connecting plate 271, and the first connecting plate 271 is connected with the first driving assembly 25; utilize first drive assembly 25 can drive each first guide post 27 vertical movement downwards, and each first guide post 27 can drive blade holder 21 downstream, and the lower surface that goes up cutting die 22 is laminated with the upper surface of base plate 26 until, at this moment, go up cutting die 22 not only can cut off sheet metal with the cooperation of lower cutter 24, can press from both sides the tight upper surface of fixing at base plate 26 with sheet metal simultaneously.

Referring to fig. 7, the cutting device 2 further includes second guide posts 28, the second guide posts 28 are vertically provided with a plurality of second guide posts 28, each second guide post 28 is uniformly distributed on the left and right sides of the support plate 12, the upper end of each second guide post 28 is fixed to the lower surface of the support plate 12, two ends of the lower tool apron 23 are respectively sleeved on each second guide post 28, an installation plate 281 is connected to the lower side of the base plate 26 in a sliding manner, the sliding direction of the installation plate 281 is vertically arranged, the lower ends of each first guide post 27 and each second guide post 28 penetrate through the installation plate 281, the lower end of each first guide post 27 is provided with a clamping portion 282 clamped with the lower surface of the installation plate 281, the lower tool block is detachably mounted on the upper surface of the installation plate 281, and the installation plate 281 is connected with the first driving assembly 25; wherein, each second guiding post 28 is sleeved with a spring 283, and the upper and lower ends of each spring 283 are respectively abutted with the supporting plate 12 and the mounting plate 281.

The first driving assembly 25 includes a driving cylinder, and the upper and lower ends of the driving cylinder are fixed to the mounting plate 281 and the first connecting plate 271, respectively.

Referring to fig. 9, when in a normal state, the piston rod of the driving cylinder is retracted, and at this time, each spring 283 is expanded, so that the mounting plate 281 is located at the lowest position, and at this time, the cutting edge of the lower cutter 24 is located below the base plate 26, and at the same time, each first guide pillar 27 is located at the highest position, so that a sufficient gap can be reserved between the upper cutter die 22 and the base plate 26 for the metal plate to pass through; when the metal plate needs to be cut off, only the piston rod of the driving oil cylinder needs to be controlled to eject, so that the driving oil cylinder can drive each first guide post 27 to move downwards, the upper cutting die 22 is driven to move towards each other until the upper cutting die 22 and the base plate 26 are matched and clamped to fix the metal plate, at the moment, the piston rod of the driving oil cylinder continues to eject, the height of the upper cutting die 22 is limited by the base plate 26, and therefore when the piston rod of the driving oil cylinder continues to eject, the piston rod can drive the mounting plate 281 to move upwards, so that the effect of driving the lower cutting knife 24 to move upwards is achieved, and the metal plate is cut off until the lower cutting knife 24 and the upper cutting die are matched.

Referring to fig. 10 and 11, the clamping and bending device 3 includes an upper clamping block 31, a bending block 32 and a second driving assembly 33, the second driving assembly 33 is in control connection with the clamping block and the bending block 32, and an included angle between a lower surface of the upper clamping block 31 and a side surface of the upper clamping block 31 away from the cutting device 2 is smaller than 90 degrees; wherein, be provided with a plurality of grooves 311 of stepping down with backplate connecting portion 52 matched with on pressing from both sides tight piece 31, the second drive assembly 33 at first drives and presss from both sides tight piece 31 downstream in order to press from both sides the fixed sheet metal, then at the rotation of drive bending block 32, thereby make bending block 32 can press from both sides tight piece 31 cooperation bending sheet metal with last, when last pressing from both sides tight piece 31 and press from both sides tight sheet metal, the backplate connecting portion 52 of level setting can stretch into in the downside of the groove 311 of stepping down, when bending block 32 rotates, bending block 32 can order about pivoted backplate connecting portion 52 to stretch into in the one side that the groove 311 kept away from cutting device 2.

The clamping and bending device 3 further comprises a plurality of third guide rods 34, each third guide rod 34 is uniformly distributed at two ends of the support plate 12, each third guide rod 34 is vertically arranged and connected with the support plate 12 in a sliding manner, the sliding direction of each third guide rod 34 is vertically arranged, an installation seat 342 is fixed at the upper end of each third guide rod 34, the upper clamping block 31 is detachably installed on the installation seat 342 in a bolt locking manner, a second connecting plate 341 is installed at the lower end of each third guide rod 34, and the second connecting plate 341 is in control connection with the second driving assembly 33.

The clamping and bending device 3 further comprises a lower clamping block 35 arranged right below the upper clamping block 31, the lower clamping block 35 is fixed on the upper surface of the supporting plate 12, the bending block 32 is arranged on one side of the lower clamping block 35 far away from the cutting device 2, and one side of the bending block 32 close to the lower clamping block 35 is rotatably connected with the supporting plate 12; the thickness of the lower clamping block 35, the thickness of the bending block 32 and the thickness of the base plate 26 are the same, and a gap is reserved between one side surface of the upper surface of the lower clamping block 35, which is close to the bending block 32, and the rotating shaft of the bending block 32.

The clamping and bending device 3 further comprises a hinged support 321 arranged on the support plate 12, the hinged support 321 is provided with two pieces, and the two pieces of hinged support 321 are respectively arranged on the left side and the right side of the bending block 32; wherein, the two hinged supports 321 are detachably mounted on the support plate 12 by using a bolt locking manner.

The second driving assembly 33 comprises a clamping cylinder 331 and a bending cylinder 332, the upper end and the lower end of the clamping cylinder 331 are respectively connected with the support plate 12 and the second connecting plate 341, and when the piston rod of the clamping cylinder 331 is ejected, the upper clamping block 31 moves downwards so as to be matched with the lower clamping block 35 to clamp the metal plate; the cylinder body and the piston rod of the bending oil cylinder 332 are respectively connected with the support plate 12 and the bending block 32 in a rotating mode, when the piston rod of the bending oil cylinder 332 is ejected out, one side, away from the lower clamping block 35, of the bending block 32 can rotate upwards, so that the bending oil cylinder and the upper clamping block 31 and the lower clamping block 35 are matched to bend metal plates, the mounting frame 121 is arranged on the lower surface of the support plate 12, and the cylinder body of the bending oil cylinder 332 is connected with the mounting frame 121 in a rotating mode.

Referring to fig. 12, positioning mechanism 4 is provided with two, two positioning mechanism 4 all include second drive arrangement 43, locating lever 44 wherein, the horizontal cross section of locating lever 44 is circular setting, lower extreme at locating lever 44 is provided with the radius angle, the downside of radius angle is connected with the lower terminal surface of locating lever 44, the upside of radius angle and the outer wall connection of locating lever 44, when locating lever 44 wears to establish the breach, utilize radius angle portion to make locating lever 44 keep away from in wearing to establish the breach that second drive arrangement 43's one end can be light, when second drive arrangement 43's movable part continues ejecting, all the other positions of locating lever 44 can begin to carry out the butt with the waterproof edge 51 of breach both sides, thereby reach the effect of finely tuning the position that metal sheet need buckle or cut, effectively ensure that metal sheet needs buckle or the position of cutting is accurate.

The two positioning mechanisms 4 are divided into a first positioning mechanism 41, a first positioning mechanism 41 (not shown in fig. 12), and a second positioning mechanism 42, a second positioning mechanism 42 (not shown in fig. 12).

Referring to fig. 7 and 12, the first positioning mechanism 41 is disposed at the upper tool apron 21 of the cutting device 2, and the first positioning mechanism 41, the first positioning mechanism 41 and the cutting device 2 are in control connection, wherein the second driving device 43 of the first positioning mechanism 41, the first positioning mechanism 41 and the second driving device 43 are disposed on the upper tool apron 21, and the positioning mechanism 4 is used for aligning the cutting position of the metal plate with the notch of the metal plate.

Referring to fig. 10 and 12, the second positioning mechanism 42 is disposed on the support plate 12 below the clamping and bending device 3, and the second positioning mechanism 42 is in control connection with the clamping and bending device 3, wherein the second driving device 43 of the second positioning mechanism 42 is disposed on the lower surface of the support plate 12, and the second positioning mechanism 4 is used for aligning the bending position of the metal plate with the notch of the metal plate.

Referring to fig. 13, each of the two positioning mechanisms 4 further includes an adjusting rod 45 and an infrared sensor 46, the infrared sensor 46 is in control connection with the second driving device 43, the infrared sensor 46 is in sliding connection with the adjusting rod 45, and a probe of the infrared sensor 46 is vertically arranged and aligned with a water discharging edge, when the infrared sensor 46 detects a gap, the infrared sensor 46 controls a movable portion of the second driving device 43 to eject out, the positioning rod 44 is detachably connected with the movable portion of the second driving device 43 in a threaded connection manner, so that the second driving device 43 can drive the positioning rod 44 to lift up and down, the positioning rod 44 can penetrate through the gap of the metal plate, and the outer wall of the positioning rod 44 can be abutted against the waterproof edges 51 on both sides of the gap; the adjustment lever 45 is fixed to the support plate 12, the adjustment lever 45 is provided with an adjustment groove 451, and the infrared sensor 46 is detachably attached to the adjustment groove 451 by a bolt lock.

Wherein the second driving device 43 may be configured as an air cylinder or an oil cylinder, and the movable portion of the second driving device 43 is configured as a piston rod of the air cylinder or the oil cylinder.

Referring to fig. 13, the positioning mechanism 4 further includes a guide roller 47, two ends of the guide roller 47 are respectively rotatably connected to the left and right sides of the frame 1 and/or the support plate 12, a plurality of guide wheels 471 are disposed on the guide roller 47, the guide wheels 471 are arranged along the length direction of the guide roller 47, and one side surface of each guide wheel 471 is respectively abutted to the waterproof edge 51 and the side surface of the back plate connecting portion 52.

The implementation principle of the automatic cutting and bending machine in the embodiment of the application is as follows:

conveying the rolled and formed metal plate into the automatic cutting and bending machine by using external conveying equipment, moving the position of the metal plate needing to be bent to the clamping and bending device 3, finely adjusting the position of the metal plate by using a second positioning mechanism 42 and a second positioning mechanism 42, clamping and fixing the metal plate by using an upper clamping block 31, driving the second positioning mechanism 42 and the second positioning mechanism 42 to be separated from the metal plate, and finally accurately bending the part of the metal plate needing to be bent by using the clamping and bending device 3; after 3 times of continuous bending forming, the position of the metal plate is finely adjusted by the first positioning mechanism 41 and the first positioning mechanism 41, the metal plate is clamped and fixed by the upper cutting die 22, and finally, the part of the metal plate needing to be cut is accurately cut by the cutting device 2.

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

Claims (8)

1. The utility model provides an automatic cut-off crib crimper, includes frame (1), be provided with in frame (1) and press from both sides tight bending apparatus (3) and cutting device (2), its characterized in that: the positioning device is characterized by further comprising a positioning mechanism (4), wherein the positioning mechanism (4) comprises a positioning rod (44) and a second driving device (43), the second driving device (43) is used for driving the positioning rod (44) to ascend and descend vertically, when the second driving device (43) drives the positioning rod (44) to eject, the positioning rod (44) penetrates through a notch of the metal plate and is abutted to waterproof edges (51) on two sides of the notch.

2. An automatic cutout bender as claimed in claim 1, wherein: the horizontal cross section of the positioning rod (44) is arranged in a circular shape.

3. An automatic cutout bender as claimed in claim 1, wherein: the lower end of the positioning rod (44) is provided with a fillet, the lower side of the fillet is connected with the lower end face of the positioning rod (44), and the upper side of the fillet is connected with the outer wall of the positioning rod (44).

4. An automatic cutout bender as claimed in claim 1, wherein: the positioning rod (44) is detachably connected with the movable part of the second driving device (43) in a threaded connection mode.

5. An automatic cutout bender as claimed in claim 1, wherein: the water draining device is characterized by further comprising an infrared sensor (46) arranged on the rack (1), a probe of the infrared sensor (46) is aligned to the water draining edge, and the infrared sensor (46) is in control connection with the second driving device (43).

6. An automatic cutout bender as claimed in claim 1, wherein: the positioning mechanism (4) is arranged on an upper tool apron (21) of a cutting device (2) of the automatic cutting and bending machine, and the positioning rod (44) is downwards arranged and penetrates through the upper tool apron (21).

7. An automatic cutout bender as claimed in claim 1, wherein: positioning mechanism (4) set up in automatic cutout crib crimper's frame (1), just positioning mechanism (4) are close to and press from both sides tight bending device (3) and set up, second drive arrangement (43) locating lever (44) upwards set up and wear to establish the upper surface of frame (1).

8. An automatic cutout bender as claimed in claim 1, wherein: the automatic cutting and bending machine is characterized by further comprising a guide roller (47), wherein two ends of the guide roller (47) are respectively connected with the left side and the right side of the frame (1) of the automatic cutting and bending machine in a rotating mode, a plurality of guide wheels (471) are arranged on the guide roller (47), and one side face of each guide wheel (471) is respectively abutted to the side face of the waterproof edge (51) and the side face of the back plate connecting portion (52).

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