CN116571608A - Edge folding device for manufacturing multi-section type power distribution cabinet and use method thereof - Google Patents
Edge folding device for manufacturing multi-section type power distribution cabinet and use method thereof Download PDFInfo
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- CN116571608A CN116571608A CN202310853004.3A CN202310853004A CN116571608A CN 116571608 A CN116571608 A CN 116571608A CN 202310853004 A CN202310853004 A CN 202310853004A CN 116571608 A CN116571608 A CN 116571608A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
- 238000009826 distribution Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005452 bending Methods 0.000 claims abstract description 61
- 229910052751 metal Inorganic materials 0.000 claims description 91
- 239000002184 metal Substances 0.000 claims description 91
- 238000004080 punching Methods 0.000 claims description 27
- 238000003825 pressing Methods 0.000 claims description 25
- 238000009957 hemming Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/26—Programme control arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The application provides a flanging device for manufacturing a multi-section power distribution cabinet and a use method thereof, which belong to the technical field of power distribution cabinet manufacturing and aim to solve the problems that the conventional flanging device cannot synchronously punch the periphery of a power distribution cabinet door plate at one time and cannot synchronously adjust four-side bending positions during third bending. The application can bend the four sides of the cabinet door for three times at one time, and can synchronously adjust the bending positions of the four sides during the third bending.
Description
Technical Field
The application relates to the technical field of power distribution cabinet manufacturing, in particular to a flanging device for manufacturing a multi-section power distribution cabinet and a using method thereof.
Background
The flanging device for manufacturing the power distribution cabinet is mainly used for bending the metal plate into a required angle and a required shape so as to manufacture the shell of equipment such as the power distribution cabinet. The bending machine can process various metal materials with different thicknesses and hardness, including steel plates, aluminum plates, copper plates and the like. In the manufacture of power distribution cabinets, the edge folding device is a very critical tool and equipment, and the existing edge folding device has some defects in use.
For example, publication CN106130274a discloses a hemming device, in which at least a portion of the cutter is exposed above the working surface of the base; and a guide seat which is displaced along with the base and fixed on the working surface of the base, wherein one end of the guide seat is adjacent to or abuts against one end of the cutter, a groove which is used for forming a folded edge on the folded object in the displacement process of the guide seat is arranged on the guide seat, the groove is used as a starting end from the end which is adjacent to or abuts against the cutter and is terminated on the side wall surface of the guide seat, and two sides of the guide seat are respectively provided with a pressing seat which protrudes towards the outer side of the guide seat and presses down the folded edge of the folded object. The application can cut and fold the folded object in one working stroke, and has the advantage of high working efficiency. The flanging device can realize the function of flanging and simultaneously cutting off, but in actual use, the periphery of the power distribution cabinet door plate cannot be synchronously stamped at one time, secondary stamping and third bending cannot be performed after single stamping is finished, switching can not be performed between secondary stamping and third bending, the adjustable degree is low, and the four-edge bending position during third bending cannot be synchronously adjusted.
Disclosure of Invention
The present application has been made in view of the problems existing in the existing power distribution cabinet manufacturing equipment.
In order to solve the technical problems, the application provides the following technical scheme: the utility model provides a multistage formula switch board manufacturing is with hem device, includes the supporting seat, the centre of supporting seat is seted up flutedly, the inside fixedly connected with first hydraulic stem of recess, the top fixedly connected with carrier plate of first hydraulic stem, sheet metal has been placed to the top of carrier plate, the movable groove has been seted up to the inside of supporting seat, the inside fixedly connected with first spring of movable groove, the left side of first spring is provided with supporting component, the top fixedly connected with connecting frame of first spring, the top of supporting seat is provided with the third hydraulic stem, the bottom fixedly connected with mount of third hydraulic stem, the lower fixed surface of mount is connected with the briquetting, the inside slidable mounting of briquetting has the slide bar, secondary stamping component is installed to the below of slide bar, the outside cover of the first half of slide bar is equipped with the second spring, the first end both ends of second spring link to each other with the briquetting respectively, the bottom fixedly connected with second voussoir of briquetting.
As a preferred embodiment of the present application, the inner wall of the groove and the outer wall of the supporting plate are attached to each other, and the depth of the groove is greater than the thickness of the supporting plate.
As a preferential scheme of the application, the inner wall of the movable groove is mutually attached to the outer wall of the connecting frame, the connecting frame is a cuboid frame with gradually increased thickness from inside to outside, and the position of the connecting frame corresponds to the position of the edge of the metal plate.
As a preferential scheme of the application, the supporting component comprises a supporting block arranged in the movable groove, a second hydraulic rod is fixedly arranged in the supporting block, a limiting block is fixedly connected above the second hydraulic rod, a supporting plate is fixedly connected above the limiting block, the supporting component is symmetrically distributed on the left side and the right side of the supporting seat, and the upper surface of the supporting plate is flush with the lower surface of the connecting frame.
As a preferential scheme of the application, the fixing frame, the pressing block and the second wedge block are integrated, a second chamfer is arranged on one side of the lower surface of the second wedge block, which is far away from the center of the pressing block, the second wedge block is symmetrically distributed on the left side and the right side of the lower surface of the pressing block and the front side and the rear side of the lower surface of the pressing block, and the sliding rod forms an elastic structure with the pressing block through a second spring.
As a preferential scheme of the application, the secondary stamping assembly comprises a connecting frame fixedly arranged at the bottom of a sliding rod, a third spring is fixedly connected to the side surface of the connecting frame, a first wedge block is fixedly connected to the tail end of the third spring, the first wedge block is connected with the connecting frame in a sliding manner, a first chamfer is arranged on one side, close to the center of the connecting frame, of the upper surface of the first wedge block, and a push plate is fixedly connected to one side, far away from the center of the connecting frame, of the first wedge block.
As a preferential scheme of the application, the pushing plates are mutually attached, the pushing plates form a synchronous telescopic structure through pressing blocks, second wedges, second chamfer surfaces, first wedges, first chamfer surfaces and connecting frames, the positions of the second wedges are in one-to-one correspondence with the positions and the numbers of the first wedges, and the second chamfer surfaces on the second wedges are mutually attached with the first chamfer surfaces on the first wedges.
As a preferred embodiment of the present application, the method further comprises:
the first force sensor is arranged on the inclined plane of the connecting frame and is used for detecting the pressure on the inclined plane of the connecting frame when the connecting frame is pressed;
the second force sensor is arranged on the contact surface of the first spring and the connecting frame and is used for detecting the pressure applied to the first spring from the connecting frame;
the counter is arranged on the first spring and used for detecting the number of times of pressing of the connecting frame;
the controller and the alarm are arranged on the outer surface of the supporting seat, and the controller is electrically connected with the alarm respectively in the first force sensor, the second force sensor and the counter;
step 1: the controller calculates the deformation state index of the connecting frame based on the first force sensor, the second force sensor, the counter and the formula (a):
;
wherein X is the deformation state index of the connecting frame, F 1 Is the detection value of the force sensor I, F 2 The detection value of the second force sensor is N, the detection value of the counter is mu 1 Mu, the friction coefficient between the inclined plane of the connecting frame and the metal plate 2 For the wear rate of the connecting frame inclined plane at the normal working temperature of 30 ℃,poisson's ratio for the bezel ramp material,/>the Poisson ratio of the metal plate material is that S1 is the contact surface area between the inclined plane of the connecting frame and the metal plate material, and E is the elastic modulus of the connecting frame;
step 2: based on step 1, calculating the safety threshold of the connecting frame after multiple folding of the metal plate material through a formula (b):
;
wherein Y is the safety threshold value of the connecting frame after the metal plate is folded for a plurality of times,for the correction coefficient between the connection frame inclined plane and the metal plate material, < >>The stability coefficient between the inclined plane of the connecting frame and the metal plate is K, and the loss coefficient of the inclined plane of the connecting frame is K;
step 3: and the controller compares the safety threshold value of the connecting frame after the metal plates are folded for a plurality of times, which is calculated in the step 2, with a preset safety threshold value, and when the safety threshold value of the connecting frame after the metal plates are folded for a plurality of times, which is calculated in the step 2, is not the preset safety threshold value, the controller controls the alarm to send out an alarm prompt.
The application method of the flanging device for manufacturing the multi-section power distribution cabinet comprises the following steps of:
s1: the metal plate is placed in the center of the groove in the supporting seat, and then the first hydraulic rod is lengthened or shortened according to the length of a bending area required by bending the periphery of the metal plate for the first time, so that the height of the supporting plate can be adjusted, the middle position of the metal plate can adapt to the area of the bending area of different metal plates when the metal plate is pressed, the bending area of the metal plate can be attached to the inner wall of the groove when the metal plate is bent for the first time, and the production quality of the flanging device is improved;
s2: the metal plate is subjected to secondary bending, when the metal plate is subjected to secondary bending, the first hydraulic rod is extended, then the third hydraulic rod is extended, so that the third hydraulic rod drives the fixing frame, the pressing block and the secondary punching assembly to integrally move downwards, when the secondary punching assembly cannot move downwards further, the sliding rod is pressed but kept still under the action of the second spring, and the second wedge blocks around the lower part of the pressing block act on the secondary punching assembly, so that the periphery of the secondary punching assembly is expanded outwards, and the secondary punching function of the metal plate is realized;
s3: in the process of secondary stamping of the metal plate, the connecting frame can be used for carrying out third bending, and the supporting components are installed in the movable grooves on the left side and the right side of the supporting seat, so that the device can support the connecting frame, the edge of the metal plate can be bent in the process of carrying out secondary stamping, bending work can be carried out along the inclined plane of the upper surface of the connecting frame, and when the third bending is not needed, the supporting components can be removed from the inside of the movable grooves, so that the device can carry out secondary stamping only and does not carry out third bending;
s4: when the support component is installed, the height of the connecting frame can be adjusted through the support component, so that the position of the edge of the metal plate, which contacts with the connecting frame, changes when the metal plate is punched for the second time, and the device can adjust the position of the third bending under the condition that the bending angle is kept unchanged.
Compared with the prior art, the application has the beneficial effects that:
1. through the secondary punching press subassembly that sets up for the device can utilize the symmetric distribution to extrude first voussoir in both sides and left and right sides around the briquetting bottom, makes first voussoir can be pushed down, makes push pedal cooperation recess carry out four sides stamping work to sheet metal, thereby realizes carrying out synchronous stamping processing's function all around to the switch board door board, compares in current hem device to the four sides of cabinet door processing one by one, and the device has the advantage that work efficiency is higher, has solved current hem device and can not once only carry out synchronous stamping's defect all around to the switch board door plant.
2. Through the first chamfer on the first voussoir on the device and the second chamfer on the second voussoir for the device can utilize the second voussoir to bulldoze first voussoir in the in-process that carries out the punching press, thereby promote the outside expansion of push pedal all around automatically, make sheet metal's the part of bending for the first time can carry out the secondary and bend, in order to realize the secondary punching press function, solved the defect that current flanging machine can not carry out punching press many times.
3. Through the upper surface on the device for the connecting frame on inclined plane for the push pedal can support the inclined plane of connecting frame at the in-process of outwards bulldozing with the second bending part, under the holding power effect of first spring and backup pad, make the device can bend for the third time to sheet metal, and when bending for the third time, the inclined plane can appear in the hem, follow-up accessible demolish the supporting component of device left and right sides, the inside that the connecting frame can advance the movable groove through first spring shrink for the sheet metal edge of second bending when supporting the connecting frame, make the device carry out the secondary work of bending only, it can not carry out secondary punching press and third time after single punching press is accomplished to have solved current hem device, can not switch between carrying out secondary punching press and third time bending defect, the device has the higher advantage of adjustable degree.
4. Through the second hydraulic stem, stopper and the backup pad that set up for the device can adjust the backup pad and support the position of connecting frame, thereby make the device can be when carrying out the third hem, adjust the position of bending, promoted the adjustability of device, solved current hem device can not carry out synchronous regulation's defect to the four sides position of bending when bending for the third time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following detailed description will be given with reference to the accompanying drawings and detailed embodiments, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from these drawings without inventive effort to a person of ordinary skill in the art. Wherein:
FIG. 1 is a schematic diagram of the whole structure of a flanging device for manufacturing a multi-section power distribution cabinet;
FIG. 2 is a schematic view of the structure of FIG. 1 at A;
FIG. 3 is a schematic view of the split structure of the press block and the second wedge block of the present application;
FIG. 4 is a schematic view of a portion of the structure of a connecting frame according to the present application;
FIG. 5 is a schematic diagram of the separation structure of the pressing block and the sliding rod of the application;
FIG. 6 is a schematic view of the structure at B in FIG. 5;
FIG. 7 is a schematic view of a first wedge and push plate attachment configuration of the present application;
FIG. 8 is a schematic view of the first hydraulic stem and carrier plate connection structure of the present application;
fig. 9 is a schematic view of the structure of fig. 8 at C in accordance with the present application.
Reference numerals: 1. a support base; 2. a groove; 3. a first hydraulic lever; 4. a bearing plate; 5. a movable groove; 6. a first spring; 7. a connection frame; 71. a bottom frame; 72. an adjusting plate; 73. a telescoping member; 74. a top block; 741. a support surface; 75. a compensation block; 751. a compensation surface; 8. a support assembly; 801. a support block; 802. a second hydraulic lever; 803. a limiting block; 804. a support plate; 9. a metal plate; 10. a third hydraulic lever; 11. a fixing frame; 12. briquetting; 13. a slide bar; 14. a second spring; 15. a secondary stamping assembly; 1501. a connecting frame; 1502. a third spring; 1503. a first wedge; 1504. a first chamfer; 1505. a push plate; 16. a second wedge; 17. and a second chamfer.
Detailed Description
In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
Next, the present application will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present application. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1-8, a flanging device for manufacturing a multi-section power distribution cabinet comprises a supporting seat 1, a groove 2 is formed in the middle of the supporting seat 1, a first hydraulic rod 3 is fixedly connected to the inside of the groove 2, a bearing plate 4 is fixedly connected to the upper side of the first hydraulic rod 3, a metal plate 9 is placed above the bearing plate 4, the metal plate 9 is placed above the groove 2, when the metal plate 9 in the area of the groove 2 is punched downwards, four sides of the metal plate 9 can be bent synchronously, a worker can adjust the elongation of the first hydraulic rod 3 through adjusting the elongation of the first hydraulic rod 3, so that the height of the bearing plate 4 can be adjusted, the second bending work can be conveniently carried out, a movable groove 5 is formed in the inside of the supporting seat 1, a first spring 6 is fixedly connected to the inside of the movable groove 5, a supporting frame 8 is arranged on the left side of the first spring 6, the top of the first spring 6 is fixedly connected with a connecting frame 7, the first spring 6 in the movable groove 5 can support the connecting frame 7, when the connecting frame 7 is pressed, the connecting frame 7 can also enable the metal plate 9 to be bent downwards, the third hydraulic rod 11 can be fixedly connected to the side face of the metal plate 11 through the connecting frame 10, the third hydraulic rod 11 is arranged on the side of the connecting frame 13, the third hydraulic rod 11 can be bent and the third hydraulic rod is fixedly connected to the side of the metal plate 11, the third hydraulic rod 11 is arranged on the third supporting frame 13, and the third supporting frame 13 is fixedly connected to the third supporting frame 11, and the third supporting frame 11 is fixedly connected to the metal frame 11, and the third supporting frame 13 is arranged on the side of the third supporting frame 13, thereby make the device can guarantee holistic stability at the in-process of hem, the outside cover of slide bar 13 upper half is equipped with second spring 14, second spring 14's head and tail both ends link to each other with slide bar 13 and briquetting 12 respectively, briquetting 12's bottom fixedly connected with second voussoir 16, second voussoir 16 can act on when moving downwards has secondary punching press subassembly 15 for have secondary punching press subassembly 15 can automatic outwards expand all around, make the device can carry out secondary hem after once the hem voluntarily, promoted the machining efficiency of device.
In this example, the inner wall of recess 2 and the outer wall of bearing board 4 laminating each other, and the degree of depth of recess 2 is greater than the thickness of bearing board 4 for bearing board 4 can reciprocate, supports the panel through bearing board 4 at bearing board 4 reciprocate the in-process, when first hem work is accomplished and carries out the secondary hem, the accessible is raised bearing board 4, makes the state that the device can convenient switch to the secondary hem.
In this example, the inner wall of movable groove 5 and the outer wall of linking frame 7 laminate each other, and linking frame 7 is the cuboid frame that increases from inside to outside thickness for linking frame 7's upper surface is the inclined plane, so that follow-up when carrying out the third hem, the hem of third keeps the slope, has promoted the adjustability of device, and linking frame 7's position corresponds each other with the position at sheet metal 9 edge, guarantees that sheet metal 9's edge can support the inclined plane of linking frame 7 just, thereby guarantees the hem effect.
The connecting frame 7 comprises a bottom frame 71 horizontally arranged, a plurality of adjusting plates 72 and a telescopic piece 73 for changing the angle of the adjusting plates 72, the bottom end edge of the adjusting plates 72 is hinged with the bottom frame 71, two ends of the telescopic piece 73 are respectively hinged with the bottom frame 71 and the adjusting plates 72, and when two ends of the telescopic piece 73 are extended or shortened, the telescopic piece 73 drives the adjusting plates 72 to rotate, so that the angle of the folded edge of the third time is adjusted. The top block 74 limiting the position of the adjusting plate 72 is fixed on the bottom frame 71, a supporting surface 741 facing the adjusting plate 72 is arranged on the top block 74, and when the adjusting plate 72 rotates to the lowest position, the adjusting plate 72 and the supporting surface 741 are abutted together, so that the supporting strength of the adjusting plate 72 is increased. The two ends of the length direction of the adjusting plate 72 are provided with compensation blocks 75, and the compensation blocks 75 are fixedly connected with the bottom frame 71. The compensating block 75 is provided with a compensating surface 751, the compensating surface 751 is obliquely arranged, and when the adjusting plate 72 is positioned at the lowest position, the plate surface of the adjusting plate 72 is flush with the compensating surface 751, so that the flanging effect is ensured.
In this example, supporting component 8 is including placing in the inside supporting shoe 801 of movable tank 5, can install or demolish the supporting shoe 801 in the movable tank 5 as required, the inside of supporting shoe 801 is fixedly provided with second hydraulic stem 802, the top fixedly connected with stopper 803 of second hydraulic stem 802, the top fixedly connected with backup pad 804 of stopper 803, the height of stopper 803 in the second hydraulic stem 802 can be adjusted to the supporting shoe 801, thereby make backup pad 804 can play the supporting function, so that follow-up remains stable when bending for the third time, supporting component 8 symmetric distribution is in the left and right sides of supporting seat 1, backup pad 804 upper surface and connecting frame 7's lower surface parallel and level, symmetric distribution's supporting component 8 can support simultaneously connecting frame 7's left and right sides, thereby make connecting frame 7 change into rigid support by flexible support, the holistic stability of device has been promoted.
In this example, mount 11, briquetting 12 and second voussoir 16 are as a whole, guarantee that mount 11, briquetting 12 and second voussoir 16 reciprocate, one side that second voussoir 16 lower surface kept away from briquetting 12 center is provided with second chamfer 17, second voussoir 16 symmetric distribution is in the left and right sides of briquetting 12 lower surface and the front and back both sides of briquetting 12 lower surface, through the second voussoir 16 on the device downwardly moving, conveniently follow-up carry out outside secondary bending simultaneously to panel all around, the production efficiency of flanging device has been promoted, slide bar 13 equidistant distribution in briquetting 12's inside, slide bar 13 constitutes elastic structure through second spring 14 and briquetting 12, through the elastic structure on the device, make slide bar 13 outwards remove after realizing bulldozing the action, automatically reset slide bar 13 of each position, also can guarantee that the pressure increases gradually in the process of punching press, thereby promote flanging device to panel's production quality.
In this example, the secondary punching assembly 15 includes a connecting frame 1501 fixedly mounted at the bottom of the sliding rod 13, a third spring 1502 is fixedly connected to a side surface of the connecting frame 1501, a first wedge 1503 is fixedly connected to an end of the third spring 1502, a connection mode between the first wedge 1503 and the connecting frame 1501 is sliding connection, a first chamfer 1504 is arranged on one side, close to the center of the connecting frame 1501, of the upper surface of the first wedge 1503, a push plate 1505 is fixedly connected to one side, away from the center of the connecting frame 1501, of the first wedge 1503, the device can move downwards through the sliding rod 13, so that the push plate 1505 can press a plate to perform primary flanging operation, and after primary flanging is completed, the first wedge 1503 and the push plate 1505 around the connecting frame 1501 can be driven to synchronously move outwards, so that a secondary flanging function is realized.
In this example, the pushing plate 1505 and the adjacent pushing plate 1505 are mutually attached, the pushing plate 1505 forms a synchronous telescopic structure through the pressing block 12, the second wedge block 16, the second chamfer 17, the first wedge block 1503, the first chamfer 1504 and the connecting frame 1501, the position of the second wedge block 16 corresponds to the position and the number of the first wedge block 1503 one by one, the second chamfer 17 on the second wedge block 16 is mutually attached to the first chamfer 1504 on the first wedge block 1503, and when the second wedge block 16 moves downwards, the first chamfer 1504 on the first wedge block 1503 can be used for propping against the second chamfer 17 on the second wedge block 16, so that the device can automatically push the first chamfer 1504 outwards through the second wedge block 16, and the function of performing secondary flanging on four sides of a plate is realized.
It should be noted that, the application relates to a hemming device for manufacturing a multi-section power distribution cabinet and a use method thereof, firstly, as shown in fig. 1-6, a metal plate 9 is placed at the center position of a groove 2 in a supporting seat 1, and then a first hydraulic rod 3 is elongated or shortened according to the length of a bending area required by bending the periphery of the metal plate 9 for the first time, so that the height of a bearing plate 4 can be adjusted, and further, when the middle position of the metal plate 9 is pressed, the device can adapt to the areas of bending areas of different metal plates 9 during the first bending, can adapt to plates to be bent with different sizes at the edge of the metal plate 9, and ensures that the bending area of the metal plate 9 can be attached to the inner wall of the groove 2 during the first bending, so as to improve the production quality of the hemming device. When the metal plate 9 is subjected to secondary bending, the first hydraulic rod 3 is stretched, then the third hydraulic rod 10 is stretched, the third hydraulic rod 10 drives the fixing frame 11, the pressing block 12 and the secondary punching assembly 15 to move downwards integrally, when the secondary punching assembly 15 cannot move downwards further, under the action of the second spring 14, the sliding rod 13 is pressed but kept still, the second wedge block 16 around the lower part of the pressing block 12 acts on the secondary punching assembly 15, the first chamfer 1504 on the first wedge block 1503 is used for propping against the second chamfer 17 on the second wedge block 16, so that the device can push the first chamfer 1504 outwards automatically through the second wedge block 16, the pushing plate 1505 is propped against the first bending area of the metal plate 9, the secondary flanging of four sides of the metal plate is realized, after the secondary flanging is performed, the edge of the metal plate 9 is bent into a Z shape, and the periphery of the metal plate 9 can be synchronously and secondarily bent due to the synchronous outward expansion of the periphery of the secondary punching assembly 15. When the pressing block 12 moves downwards, the second spring 14 sleeved on the outer side of the sliding rod 13 enables the thrust of the pushing plate 1505 around the device to be gradually increased, so that the bending production quality is ensured.
As shown in fig. 2-8, in the process of secondary stamping of the metal plate 9, the connection frame 7 can be subjected to third bending, by installing the supporting components 8 in the movable grooves 5 on the left side and the right side of the supporting seat 1, the device can support the connection frame 7, the height of the supporting plate 804 is adjusted through the second hydraulic rod 802 and the limiting block 803 in the supporting block 801, the connection frame 7 is supported by the supporting plate 804, in the process of supporting the connection frame 7, the connection frame 7 can be converted into rigid support from flexible support, the edge of the metal plate 9 can block the inclined surface of the connection frame 7 in the process of secondary stamping, bending work is performed along the inclined surface of the upper surface of the connection frame 7, and when the third bending is not needed, the supporting components 8 can be removed from the inside of the movable grooves 5, so that the device can only perform secondary stamping and does not perform third bending. When the support component 8 is installed, the height of the support plate 804 can be adjusted, so that the rigid support height position of the connecting frame 7 can be adjusted, the position of the edge of the metal plate 9, which contacts with the connecting frame 7, is changed when the metal plate 9 is punched for the second time, and the position of the third bending can be adjusted under the condition that the bending angle is kept unchanged.
In this example, further comprising:
the first force sensor is arranged on the inclined plane of the connecting frame 7 and is used for detecting the pressure on the inclined plane of the connecting frame 7 when the connecting frame 7 is pressed;
a second force sensor, which is arranged on the contact surface of the first spring 6 and the connecting frame 7, and is used for detecting the pressure from the connecting frame 7 received by the first spring 6;
a counter provided on the first spring 6 for detecting the number of times of pressing of the connection frame 7; the number of times the connection frame 7 is compressed corresponds to the number of times the first spring 6 is compressed.
The controller and the alarm are arranged on the outer surface of the supporting seat 1 and are respectively and electrically connected with the first force sensor, the second force sensor and the counter;
step 1: the controller calculates the deformation state index of the connection frame 7 based on the first force sensor, the second force sensor, the counter and the formula (a):
;
wherein X is deformation state index of the connecting frame 7, F 1 Is the detection value of the force sensor I, F 2 F is the detection value of the second force sensor 1 And F is equal to 2 Is different from the detection value of the counter, N is the detection value of the counter, mu 1 For the friction coefficient between the inclined surface of the connecting frame 7 and the metal plate 9, mu 2 For the wear rate of the inclined surface of the connection frame 7 at the normal operating temperature of 30 c,poisson's ratio for the material of the inclined plane of the connection frame 7, < >>Poisson' S ratio, S, of sheet metal 9 material 1 The contact surface area between the inclined plane of the connecting frame 7 and the metal plate 9 is the elastic modulus of the connecting frame 7;
step 2: based on step 1, the safety threshold of the connection frame 7 after multiple folding of the metal sheet 9 is calculated by formula (b):
;
wherein Y is the safety threshold of the connecting frame 7 after the metal plate 9 is folded for a plurality of times,for the correction coefficient (the value is more than 0 and less than 1, and is set for considering the installation error of the connecting frame 7 and the metal plate 9) between the inclined plane of the connecting frame 7 and the metal plate 9, ">For the stability coefficient between the inclined plane of the connecting frame 7 and the metal plate 9 (the value is more than 0 and less than 1 and is set for considering the stability factor of the installation of the connecting frame 7), K is the loss coefficient of the inclined plane of the connecting frame 7 (the value is more than 0 and less than 1 and can be related to the used time of the connecting frame 7 and the influence of the use environment on the connecting frame 7);
step 3: the controller compares the safety threshold value of the connecting frame 7 after the metal plate 9 is folded for a plurality of times, which is calculated in the step 2, with a preset safety threshold value, and when the safety threshold value of the connecting frame 7 after the metal plate 9 is folded for a plurality of times, which is calculated in the step 2, is not the preset safety threshold value (0.95-1.25), the controller controls the alarm to send out an alarm prompt.
The working principle and the beneficial effects of the technical scheme are as follows: when the connecting frame 7 is used for multiple times, the force sensor I, the force sensor II and the counter are used for detecting the pressure born by the connecting frame 7 in the working process and the number of times of pressure bearing, the controller obtains the deformation state index of the connecting frame 7 and the formula (b) by using the formula (a) to calculate the safety threshold value of the connecting frame 7 after the metal plate 9 is folded for multiple times, and if the safety threshold value of the connecting frame 7 after the metal plate 9 is folded for multiple times is not in the preset safety threshold value (0.95-1.25), the controller controls the alarm to send an alarm prompt to remind an operator that the strength of the connecting frame 7 should be detected, the connecting frame 7 is prevented from being damaged, and the safety and the reliability of the device are improved.
Although the application has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the application. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the application not be limited to the particular embodiment disclosed, but that the application will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a multistage formula switch board makes with hem device, includes supporting seat (1), its characterized in that: the middle of supporting seat (1) is seted up flutedly (2), the inside fixedly connected with first hydraulic stem (3) of recess (2), the top fixedly connected with carrier plate (4) of first hydraulic stem (3), sheet metal (9) have been placed to the top of carrier plate (4), movable groove (5) have been seted up to the inside of supporting seat (1), the inside fixedly connected with first spring (6) of movable groove (5), the left side of first spring (6) is provided with supporting component (8), the top fixedly connected with connecting frame (7) of first spring (6), the top of supporting seat (1) is provided with third hydraulic stem (10), the bottom fixedly connected with mount (11) of third hydraulic stem (10), the lower surface fixedly connected with briquetting (12) of mount (11), the inside slidable mounting of briquetting (12) has slide bar (13), secondary punching press subassembly (15) are installed to the below of slide bar (13), the top of slide bar (13) is equipped with second spring (14) and second end to end connection (14) of second spring (14), second end to end connection (12) of slide bar (14).
2. The hemming device for manufacturing a multi-section power distribution cabinet according to claim 1, wherein: the inner wall of the groove (2) is mutually attached to the outer wall of the bearing plate (4), and the depth of the groove (2) is larger than the thickness of the bearing plate (4).
3. The hemming device for manufacturing a multi-section power distribution cabinet according to claim 1, wherein: the inner wall of the movable groove (5) is mutually attached to the outer wall of the connecting frame (7), the connecting frame (7) is a cuboid frame with gradually increased thickness from inside to outside, and the position of the connecting frame (7) corresponds to the position of the edge of the metal plate (9).
4. The hemming device for manufacturing a multi-section power distribution cabinet according to claim 1, wherein: the connecting frame (7) comprises a bottom frame (71) which is horizontally arranged, a plurality of adjusting plates (72) and telescopic pieces (73) which are used for changing the angle of the adjusting plates (72), wherein the adjusting plates (72) are hinged to the bottom frame (71), two ends of each telescopic piece (73) are respectively hinged to the bottom frame (71) and the adjusting plates (72), top blocks (74) which limit the positions of the adjusting plates (72) are fixed on the bottom frame (71), compensating blocks (75) are arranged at two ends of the length direction of the adjusting plates (72), compensating faces (751) are arranged on the compensating blocks (75), and when the adjusting plates (72) are located at the lowest positions, the faces of the adjusting plates (72) are flush with the compensating faces (751).
5. The hemming device for manufacturing a multi-section power distribution cabinet according to claim 1, wherein: the supporting component (8) comprises supporting blocks (801) which are placed inside the movable groove (5), second hydraulic rods (802) are fixedly arranged inside the supporting blocks (801), limiting blocks (803) are fixedly connected to the upper portions of the second hydraulic rods (802), supporting plates (804) are fixedly connected to the upper portions of the limiting blocks (803), the supporting components (8) are symmetrically distributed on the left side and the right side of the supporting seat (1), and the upper surfaces of the supporting plates (804) are flush with the lower surfaces of the connecting frames (7).
6. The hemming device for manufacturing a multi-section power distribution cabinet according to claim 1, wherein: the fixing frame (11), the pressing block (12) and the second wedge block (16) are integrated, a second chamfer (17) is arranged on one side, far away from the center of the pressing block (12), of the lower surface of the second wedge block (16), the second wedge block (16) is symmetrically distributed on the left side and the right side of the lower surface of the pressing block (12) and the front side and the rear side of the lower surface of the pressing block (12), sliding rods (13) are distributed at equal intervals in the pressing block (12), and elastic structures are formed between the sliding rods (13) and the pressing block (12) through second springs (14).
7. The hemming device for manufacturing a multi-section power distribution cabinet according to claim 1, wherein: the secondary punching press subassembly (15) package fixed mounting is in link (1501) of slide bar (13) bottom, the side fixedly connected with third spring (1502) of link (1501), the terminal fixedly connected with first voussoir (1503) of third spring (1502), the connected mode between first voussoir (1503) and link (1501) is sliding connection, one side that is close to link (1501) center on first voussoir (1503) upper surface is provided with first chamfer (1504), one side that link (1501) center was kept away from to first voussoir (1503) is fixedly connected with push pedal (1505).
8. The hemming device for manufacturing a multi-section power distribution cabinet according to claim 7, wherein: laminating each other between push pedal (1505) and adjacent push pedal (1505), push pedal (1505) are through briquetting (12), second voussoir (16), second chamfer (17), first voussoir (1503) and first chamfer (1504) and link (1501) between constitute synchronous extending structure, the position and the equal one-to-one of the position and the quantity of first voussoir (1503) of second voussoir (16), laminating each other between second chamfer (17) on second voussoir (16) and first chamfer (1504) on first voussoir (1503).
9. The hemming device for manufacturing a multi-section power distribution cabinet according to claim 8, wherein: further comprises:
the first force sensor is arranged on the inclined plane of the connecting frame (7) and is used for detecting the pressure on the inclined plane of the connecting frame (7) when the connecting frame (7) is pressed;
a second force sensor, which is arranged on the contact surface of the first spring (6) and the connecting frame (7) and is used for detecting the pressure applied by the first spring (6) from the connecting frame (7);
the counter is arranged on the first spring (6) and is used for detecting the number of times of pressing of the connecting frame (7);
the controller and the alarm are arranged on the outer surface of the supporting seat (1), and the controller is electrically connected with the alarm respectively in the first force sensor, the second force sensor and the counter;
step 1: the controller calculates the deformation state index of the connecting frame (7) based on a first force sensor, a second force sensor, a counter and a formula (a):
;
wherein X is the deformation state index of the connecting frame (7), F 1 Is the detection value of the force sensor I, F 2 The detection value of the second force sensor is N, the detection value of the counter is mu 1 For the friction coefficient, mu, between the inclined surface of the connecting frame (7) and the metal plate (9) 2 For the wear rate of the inclined surface of the connecting frame (7) at the normal working temperature of 30 ℃,poisson's ratio for the inclined plane material of the connection frame (7),>the Poisson ratio of the metal plate (9) material is that S1 is the contact surface area between the inclined surface of the connecting frame (7) and the metal plate (9), and E is the elastic modulus of the connecting frame (7);
step 2: based on the step 1, calculating a safety threshold of the connecting frame (7) after the metal plate (9) is folded for a plurality of times through a formula (b):
;
wherein Y is the safety threshold value of the connecting frame (7) after the metal plate (9) is folded for a plurality of times,for the correction factor between the inclined plane of the connecting frame (7) and the metal sheet (9), a +.>The stability coefficient between the inclined plane of the connecting frame (7) and the metal plate (9) is K, and the loss coefficient of the inclined plane of the connecting frame (7);
step 3: the controller compares the safety threshold value of the connecting frame (7) after the metal plate (9) is folded for a plurality of times, which is calculated in the step 2, with a preset safety threshold value, and when the safety threshold value of the connecting frame (7) after the metal plate (9) is folded for a plurality of times, which is calculated in the step 2, is not in the preset safety threshold value, the controller controls the alarm to send out an alarm prompt.
10. A method of using the hemming device for manufacturing a multi-section power distribution cabinet, adopting the hemming device for manufacturing a multi-section power distribution cabinet according to claim 1, characterized by comprising the steps of:
s1: the metal plate (9) is placed at the center of the groove (2) in the supporting seat (1), then the first hydraulic rod (3) is stretched or shortened according to the length of a bending area required by bending the periphery of the metal plate (9) for the first time, so that the height of the supporting plate (4) can be adjusted, the middle position of the metal plate (9) can adapt to the area of the bending area of different metal plates (9) when being pressed, and the bending area of the metal plate (9) can be attached to the inner wall of the groove (2) when being bent for the first time, so that the production quality of the edge folding device is improved;
s2: the sheet metal (9) is subjected to secondary bending, when the sheet metal is subjected to secondary bending, the first hydraulic rod (3) is stretched, then the third hydraulic rod (10) is stretched, the third hydraulic rod (10) drives the fixing frame (11), the pressing block (12) and the secondary punching component (15) to integrally move downwards, when the secondary punching component (15) cannot move downwards further, the sliding rod (13) is pressed but kept still under the action of the second spring (14), and the second wedge blocks (16) around the lower part of the pressing block (12) act on the secondary punching component (15), so that the periphery of the secondary punching component (15) expands outwards, and the secondary punching function of the sheet metal (9) is realized;
s3: in the process of secondary stamping of the metal plate, the connecting frame (7) can be used for carrying out third bending, and the supporting component (8) is installed in the movable groove (5) at the left side and the right side of the supporting seat (1), so that the device can support the connecting frame (7), the edge of the metal plate (9) can be bent in the process of carrying out secondary stamping, bending work can be carried out along the inclined plane of the upper surface of the connecting frame (7), and when the third bending is not needed, the supporting component (8) can be removed from the inside of the movable groove (5), so that the device can carry out secondary stamping only and does not carry out third bending;
s4: when the supporting component (8) is installed, the height of the connecting frame (7) can be adjusted through the supporting component (8), so that the position of the edge of the metal plate (9) contacting the connecting frame (7) changes when the metal plate (9) is punched for the second time, and the device can adjust the position of the third bending under the condition that the bending angle is kept unchanged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310853004.3A CN116571608A (en) | 2023-07-12 | 2023-07-12 | Edge folding device for manufacturing multi-section type power distribution cabinet and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310853004.3A CN116571608A (en) | 2023-07-12 | 2023-07-12 | Edge folding device for manufacturing multi-section type power distribution cabinet and use method thereof |
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| CN202310853004.3A Pending CN116571608A (en) | 2023-07-12 | 2023-07-12 | Edge folding device for manufacturing multi-section type power distribution cabinet and use method thereof |
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Application publication date: 20230811 |