CN112355577B - Stamping process of double-folded-edge back plate structure - Google Patents
Stamping process of double-folded-edge back plate structure Download PDFInfo
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- CN112355577B CN112355577B CN202011131569.3A CN202011131569A CN112355577B CN 112355577 B CN112355577 B CN 112355577B CN 202011131569 A CN202011131569 A CN 202011131569A CN 112355577 B CN112355577 B CN 112355577B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
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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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Mechanical Engineering (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention discloses a stamping process of a double-folded back plate structure, which comprises the following steps of: s1, raising, namely raising in the middle forming area of the back plate to form a convex hull structure, and simultaneously drawing holes in the back plate at the periphery, wherein a circle of semicircular drawing ribs are arranged at the periphery; s2, shaping the plane, partially trimming, and cutting the edge of the back plate by a cutting device; s3, trimming and punching, wherein the outer size of the back plate is cut by a cutting device, and then the positions of screw holes on the periphery of the back plate are punched by a punching device; and S4, bending and forming the positioning salient points, bending the edge position of the back plate at a certain angle through a bending device, and then bending the hemmed position again. According to the invention, through the implementation of the whole process of the stamping process of the double-folded-edge back plate structure, the double folded edges are used for replacing the traditional single-folded-edge structure processing process, and the processing of the whole back plate is more reasonable and efficient.
Description
Technical Field
The invention relates to the technical field of stamping processes, in particular to a stamping process of a double-folded back plate structure.
Background
Flat panel displays are a high and new technology that has developed relatively rapidly in recent years, and have many advantages: thin and light, low voltage, no X-ray radiation, no flicker and jitter, no static electricity, long service life and the like, so that the flat panel display has extremely wide application in military and civil fields.
The back plate is used as an important part of the ultrathin flat-panel display, the edge folding structures are arranged on the periphery of the back plate, foreign matters are easy to scrape when the back plate and a middle frame of the display are assembled if the single-edge folding structure is adopted, meanwhile, the back plate is basically stamped by a plurality of stamping devices in the existing stamping process, for example, four holes need to be punched on the back plate, or two holes need to be punched on the same side, or four holes need to be punched together, so that the cost of the stamping production process is increased, and therefore, the stamping process of the double-edge folding back plate structure is provided.
Disclosure of Invention
The invention aims to solve the defects of a single-folded-edge structure in the prior art, and provides a stamping process of a double-folded-edge back plate structure.
In order to achieve the purpose, the invention adopts the following technical scheme:
a stamping process of a double-folded back plate structure comprises the following steps: s1, raising, namely raising in the middle forming area of the back plate to form a convex hull structure, and simultaneously drawing holes in the back plate at the periphery, wherein a circle of semicircular drawing ribs are arranged at the periphery; s2, shaping the plane, partially trimming, and cutting the edge of the back plate by a cutting device; s3, trimming and punching, wherein the outer size of the back plate is cut by a cutting device, and then the positions of screw holes on the periphery of the back plate are punched by a punching device; s4, bending and forming the positioning salient points, bending the edge position of the back plate at a certain angle through a bending device, and then bending the folded position again until the bent position is bent to a specified angle, so that the back plate is bent to form the positions of the corresponding salient points; s5, side trimming, namely performing side trimming treatment on the bent back plate through a shearing device to ensure that the formed part is of a butt-collision assembly structure and the side faces are flush; and S6, riveting and installing rivets, shaping, namely riveting the rivets facing the punched positions, and then shaping the whole back plate to keep the edge positions flat.
Preferably, four corners of the S5 must be formed before trimming.
Preferably, the punching device, the bending device and the shearing device are used for keeping the back plate in a stable state during working, so that after the part to be formed is grabbed, the part to be formed can be accurately positioned when the part is fed to the next process.
Preferably, the punching machine comprises a punching processing structure, the punching processing structure comprises a base, the top of the base is fixedly connected with a vertical plate and a side plate which are vertically arranged, the center position of the top of the base is rotationally connected with a connecting piece, two ends of the top of the connecting piece are fixedly connected with a positioning device which is horizontally arranged, the top of the positioning device is stably provided with a back plate, the top of the vertical plate is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a fixed block, one side of the fixed block, which is far away from the electric push rod, is fixedly connected with an installation rod, the bottom of the fixed block is fixedly connected with a punching machine, the bottom of the punching machine is connected with a drill bit, the drill bit is located the top of backplate, be connected with trigger mechanism on the installation pole, the side of curb plate is connected with drive mechanism, the side of riser is connected with stabilizing mean.
Preferably, trigger mechanism is including rotating a plurality of driving teeth of connection in installation pole bottom, the driving tooth is the slope setting of arc, the concave surface fixedly connected with spring beam of driving tooth, the spring beam is kept away from the one end of driving tooth and is installed the bottom fixed connection of pole.
Preferably, drive mechanism is including rotating the dwang of connection on the curb plate, the fixed cover of lateral wall of dwang has connect the installation wheel, the installation wheel is located the side and a plurality ofly of driving tooth interval between the driving tooth is the same with the interval of installation tooth on the installation wheel, the fixed cover of lateral wall of dwang has connect first bevel gear, the top of base is rotated and is connected with the transfer line, the fixed cover of lateral wall of transfer line has connect second bevel gear, first bevel gear and second bevel gear intermeshing set up, the fixed first drive wheel that has cup jointed of lateral wall of transfer line, the fixed second drive wheel that has cup jointed of lateral wall of connecting piece bottom, connect through drive belt transmission between first drive wheel and the second drive wheel.
Preferably, the stabilizing mechanism comprises a first magnetic block fixedly connected to the side surface of the vertical plate, two second magnetic blocks are fixedly connected to the outer side wall of the positioning device and located at the left end and the right end of the positioning device, and the opposite sides of the second magnetic blocks and the first magnetic block are opposite in magnetism.
Compared with the prior art, the invention has the beneficial effects that:
1. through the implementation of the whole process of the stamping process of the double-folded-edge backboard structure, the double folded edges are used for replacing the traditional single-folded-edge structure machining process, the condition that foreign matters are easily scraped out when the backboard is assembled with the middle frame of a display is effectively avoided, the whole backboard is more reasonable and efficient to machine, the repeated treatment of the trimming is realized simultaneously, the partial trimming is included, the side edge of the side face of the formal trimming is more reasonable, the condition of large deformation degree brought to the position of the cut of the product by the primary trimming can be prevented, and the whole backboard is more neat and smooth.
2. Through the matching work between the trigger mechanism and the transmission mechanism, when punching, punching is firstly carried out on two positions at one side of the back plate, then the mounting wheel is hooked up along with the movement of the transmission gear to drive the mounting wheel to rotate, the connecting piece is driven to integrally rotate through the rotating transmission rod and the transmission belt correspondingly, the back plate on the connecting piece rotates 180 degrees, the transposition of the punching position is completed, then the electric push rod drives the mounting rod and the transmission gear to return, at the moment, the transmission gear contracts and cannot drive the mounting wheel to rotate, so that the back plate at the moment is kept stable and does not rotate, the punching of two positions at the other side of the back plate is completed, the traditional situation that four punching devices or two punching devices at the same side are needed to punch holes is effectively solved, a perforating device cooperates reasonable structure to make four perforating positions all punch, thus greatly solving the problems of energy consumption and production cost.
Drawings
Fig. 1 is a schematic structural diagram of a stamping process of a double-folded back plate structure according to the present invention;
FIG. 2 is a schematic moving diagram of a punching machine for a double-folded back plate structure according to the present invention;
FIG. 3 is a schematic structural diagram of a stamping process back plate and a position on the back plate needing punching of a double-folded back plate structure according to the present invention;
FIG. 4 is an enlarged view of a stamping process A of a double-folded back plate structure according to the present invention;
fig. 5 is an enlarged view of a stamping process B of a double-folded back plate structure according to the present invention.
In the figure: the magnetic block comprises a base 1, a vertical plate 2, an electric push rod 3, a punching machine 4, a drill bit 5, an installation rod 6, a side plate 7, a positioning device 8, a back plate 9, a connecting piece 10, a transmission rod 11, an installation wheel 12, a transmission belt 13, a fixed block 14, transmission teeth 15, a spring rod 16, a first magnetic block 17 and a second magnetic block 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a stamping process for a double-folded back plate structure includes the following steps:
s1, raising, namely raising in the middle forming area of the back plate to form a convex hull structure, and simultaneously drawing holes in the back plate at the periphery, wherein a circle of semicircular drawing ribs are arranged at the periphery; s2, shaping the plane, partially trimming, and cutting the edge of the back plate by a cutting device; s3, trimming and punching, wherein the outer size of the back plate is cut by a cutting device, and then the positions of screw holes on the periphery of the back plate are punched by a punching device; s4, bending and forming the positioning salient points, bending the edge position of the back plate at a certain angle through a bending device, and then bending the folded position again until the bent position is bent to a specified angle, so that the back plate is bent to form the positions of the corresponding salient points; s5, side trimming, namely performing side trimming on the bent back plate through a shearing device to ensure that the formed part is of a butt-collision assembly structure, the side faces are flush, and the four corners in the S5 can be trimmed after being formed; s6, riveting, installing rivets and shaping, riveting the rivets facing the punched positions, shaping the whole backboard, keeping the edge positions flat, keeping the backboard in a stable state when the punching device, the bending device and the shearing device work, so that the positioning can be accurate when feeding the next process after the part to be formed is grabbed, through the implementation of the whole process of the stamping process of the double-folded back plate structure and the replacement of the traditional single-folded structure processing process by using double folds, the situation that foreign matters are easy to scrape when the back plate is assembled with the middle frame of the display is effectively avoided, the processing of the whole back plate 9 is more reasonable and efficient, meanwhile, the repeated processing of the trimming comprises partial trimming and formal trimming of each side face, so that the condition of large deformation degree caused by one-time trimming to the notch position of the product can be prevented, and the whole back plate 9 is more neat and flat.
Including the processing structure who punches a hole, processing structure includes base 1, riser 2 and curb plate 7 of the vertical setting of base 1's top fixedly connected with, base 1's top central point puts to rotate and is connected with connecting piece 10, the positioner 8 that the same level of top both ends position fixedly connected with of connecting piece 10 set up, positioner 8 is prior art, do not give unnecessary detail herein, backplate 9 is stably installed at positioner 8's top, the top fixedly connected with electric putter 3 of riser 2, electric putter 3's output fixedly connected with fixed block 14, one side fixedly connected with installation pole 6 of electric putter 3 is kept away from to fixed block 14, the bottom fixedly connected with piercing press 4 of fixed block 14, the bottom of piercing press 4 is connected with drill bit 5, drill bit 5 is located the top of backplate 9.
The installation rod 6 is connected with a trigger mechanism, the trigger mechanism comprises a plurality of transmission teeth 15 which are rotatably connected to the bottom of the installation rod 6, the transmission teeth 15 are arranged in an arc-shaped inclined manner, concave surfaces of the transmission teeth 15 are fixedly connected with spring rods 16, one ends, far away from the transmission teeth 15, of the spring rods 16 are fixedly connected with the bottom of the installation rod 6, the side surfaces of the side plates 7 are connected with a transmission mechanism, the transmission mechanism comprises rotating rods which are rotatably connected to the side plates 7, the outer side walls of the rotating rods are fixedly sleeved with installation wheels 12, the installation wheels 12 are positioned on the side surfaces of the transmission teeth 15, the distance between the transmission teeth 15 is the same as the distance between the installation teeth on the installation wheels 12, the outer side walls of the rotating rods are fixedly sleeved with first bevel gears, the top of the base 1 is rotatably connected with a transmission rod 11, the outer side walls of the transmission rod 11 are fixedly sleeved with second bevel gears, the first bevel gears and the second bevel gears are meshed with each other, the outer side walls of the transmission rod 11 are fixedly sleeved with first transmission wheels, the outer side wall of the bottom of the connecting piece 10 is fixedly sleeved with a second driving wheel, the first driving wheel and the second driving wheel are in transmission connection through a driving belt 13, through the matching work between a trigger mechanism and a driving mechanism, when in punching processing, firstly, punching is carried out on two positions on one side of the back plate 9, then the mounting wheel 12 is hooked up along with the movement of the driving teeth 15, the mounting wheel 12 is driven to rotate, the corresponding driving rod 11 and the driving belt 13 which are driven to rotate correspondingly drive the connecting piece 10 to rotate integrally through the rotating driving rod 11 and the driving belt 13, the back plate 9 on the connecting piece 10 is rotated 180 degrees, the transposition of punching positions is completed, then, the electric push rod 3 drives the mounting rod 6 and the driving teeth 15 to return, the driving teeth 15 shrink and cannot drive the mounting wheel 12 to rotate, the back plate 9 at the moment keeps stable and does not rotate, punching is completed on two positions on the other side of the back plate 9, and the traditional situation that four punching devices or two punching devices on the same side are needed to punch is effectively solved, a perforating device cooperates reasonable structure to make four perforating positions all perforate, thereby greatly solving the problems of energy consumption and production cost.
The side surface of the vertical plate 2 is connected with a stabilizing mechanism, the stabilizing mechanism comprises a first magnetic block 17 fixedly connected to the side surface of the vertical plate 2, the outer side wall of the positioning device 8 is fixedly connected with two second magnetic blocks 18, the two second magnetic blocks 18 are positioned at the left end and the right end of the positioning device 8, the opposite sides of the second magnetic blocks 18 and the first magnetic block 17 are opposite in magnetism, and through the matching work between the stabilizing mechanisms, when the connecting piece 10 does not rotate and the punching machine 4 and the drill 5 punch holes on the back plate 9, the first magnetic block 17 and the second magnetic block 18 are mutually attracted, so that the connecting piece 10 is kept stable at the moment, the inclination of a punching position is avoided, after the connecting piece 10 rotates, the first magnetic block 17 and the second magnetic block 18 attract each other, so that the connecting piece 10 at the moment is kept stable, the inclination of a punching position is avoided, the accuracy of a machining position is effectively guaranteed, and the machining efficiency is improved.
In the invention, in the whole process engineering, a stamping process is designed, a back plate 9 is placed on a positioning device 8, the back plate 9 is fixedly installed through the positioning device 8, the back plate 9 is stabilized on the positioning device 8, then a punching machine 4 can be driven to work, a drill bit 5 on the punching machine 4 is used for stamping the back plate 9, the surface of the back plate 9 is punched, after the hole is punched, the punching machine 4 drives the drill bit 5 to reset, then an electric push rod 3 works to drive the punching machine 4 and the drill bit 5 to integrally move to corresponding positions, another position on the back plate 9 is punched, two positions on the same side on the back plate 9 are punched, then the fixing block 14 drives an installation rod 6 to move along with the movement of the fixing block 14 and the punching machine 4, a transmission tooth 15 on the installation rod 6 hooks the installation wheel 12, and the movable transmission tooth 15 drives the installation wheel 12 to rotate, the rotating installation wheel 12 drives the transmission rod 11 to rotate through the rotating rod, the rotating transmission rod 11 drives the connecting piece 10 to rotate at the top of the base 1 through the transmission belt 13, the positioning device 8 on the corresponding connecting piece 10 drives the back plate 9 to rotate, so that the back plate 9 rotates 180 degrees, the positions of the two sides of the top of the back plate 9 are changed at the moment, then the electric push rod 3 drives the fixed block 14 to reset, the fixed block 14 drives the installation rod 6 and the transmission teeth 15 on the installation rod 6 to reset and move, when the convex surfaces of the transmission teeth 15 are pressed against the installation wheel 12, the compressed spring rods 16 compress the transmission teeth 15, the corresponding transmission teeth 15 cannot hook the installation wheel 12 to drive the installation wheel 12 to rotate, namely, the installation wheel 12 is kept stable at the moment, the connecting piece 10 at the bottom cannot rotate, then the fixed block 14 drives the punching machine 4 and the drill bit 5 to continue punching at the previous punching position, so that the four positions at the top of the back plate 9 can be punched, and completing punching of four positions by one punching device.
Before the positioning device 8 rotates, the second magnetic block 18 on one side of the positioning device 8 and the first magnetic block 17 in the corresponding position attract each other to complete the positioning of the positioning device 8 and the back plate 9 on the positioning device 8, and after the positioning device 8 rotates, the second magnetic block 18 on the other side of the positioning device 8 and the first magnetic block 17 at the moment attract each other to position the position of the positioning device 8 after the rotation.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (3)
1. A stamping process of a double-folded back plate structure is characterized by comprising the following steps:
s1, raising, namely raising in the middle forming area of the back plate to form a convex hull structure, and simultaneously drawing holes in the back plate at the periphery, wherein a circle of semicircular drawing ribs are arranged at the periphery;
s2, shaping the plane, partially trimming, and cutting the edge of the back plate by a cutting device;
s3, trimming and punching, wherein the outer size of the back plate is cut by a cutting device, and then the positions of screw holes on the periphery of the back plate are punched by a punching device;
s4, bending and forming the positioning salient points, bending the edge position of the back plate at a certain angle through a bending device, and then bending the folded position again until the bent position is bent to a specified angle, so that the back plate is bent to form the positions corresponding to the salient points;
s5, side trimming, namely performing side trimming treatment on the bent back plate through a shearing device to ensure that the formed part is of a butt-collision assembly structure and the side faces are flush;
s6, riveting, installing rivets and shaping, wherein the rivets are riveted facing the punched positions, and then the whole back plate is shaped to keep the edge positions flat;
the punching device comprises a punching processing structure, the processing structure comprises a base (1), a vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical horizontal vertical, the drill bit (5) is positioned above the back plate (9), the mounting rod (6) is connected with a trigger mechanism, the side surface of the side plate (7) is connected with a transmission mechanism, and the side surface of the vertical plate (2) is connected with a stabilizing mechanism;
the trigger mechanism comprises a plurality of transmission teeth (15) which are rotatably connected to the bottom of the mounting rod (6), the transmission teeth (15) are arranged in an arc-shaped inclined manner, the concave surfaces of the transmission teeth (15) are fixedly connected with spring rods (16), and one ends, far away from the transmission teeth (15), of the spring rods (16) are fixedly connected with the bottom of the mounting rod (6);
the transmission mechanism comprises a rotating rod which is rotatably connected on the side plate (7), the outer side wall of the rotating rod is fixedly sleeved with an installation wheel (12), the mounting wheel (12) is positioned on the side surface of the transmission teeth (15), the distance between the transmission teeth (15) is the same as the distance between the mounting teeth on the mounting wheel (12), the outer side wall of the rotating rod is fixedly sleeved with a first bevel gear, the top of the base (1) is rotatably connected with a transmission rod (11), the outer side wall of the transmission rod (11) is fixedly sleeved with a second bevel gear, the first bevel gear and the second bevel gear are meshed with each other, the outer side wall of the transmission rod (11) is fixedly sleeved with a first transmission wheel, the outer side wall of the bottom of the connecting piece (10) is fixedly sleeved with a second transmission wheel, the first transmission wheel and the second transmission wheel are in transmission connection through a transmission belt (13);
the stabilizing mechanism comprises a first magnetic block (17) fixedly connected to the side face of a vertical plate (2), two second magnetic blocks (18) are fixedly connected to the outer side wall of the positioning device (8), the two second magnetic blocks (18) are located at the left end and the right end of the positioning device (8), and the magnetic property of one side, opposite to that of the first magnetic block (17), of each second magnetic block (18) is opposite to that of the other side of the first magnetic block (17).
2. The stamping process for a double-folded back plate structure according to claim 1, wherein four corners of the S5 are formed before trimming.
3. The stamping process for a double-folded back plate structure according to claim 1, wherein the punching device, the bending device and the shearing device must keep the back plate in a stable state during operation, so that the parts to be formed can be accurately positioned after being grabbed and then fed to the next process.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011131569.3A CN112355577B (en) | 2020-10-21 | 2020-10-21 | Stamping process of double-folded-edge back plate structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011131569.3A CN112355577B (en) | 2020-10-21 | 2020-10-21 | Stamping process of double-folded-edge back plate structure |
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| CN112355577A CN112355577A (en) | 2021-02-12 |
| CN112355577B true CN112355577B (en) | 2022-09-06 |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109249052A (en) * | 2018-11-16 | 2019-01-22 | 盐城克莱斯电子有限公司 | Drilling machine is used in a kind of processing of automobile parts |
| CN109500227A (en) * | 2018-11-22 | 2019-03-22 | 合肥惠科金扬科技有限公司 | Sheet Metal Forming Technology, double-fold backboard and the display device of double-fold back board structure |
| CN109304493B (en) * | 2018-11-22 | 2024-05-14 | 上海惠深工具科技有限公司 | Outer rotor motor direct-drive type milling and drilling machine |
| CN209334757U (en) * | 2018-12-25 | 2019-09-03 | 郑州职业技术学院 | Puncher is used in a kind of machining |
| CN111654652A (en) * | 2020-05-22 | 2020-09-11 | 江苏凡润电子有限公司 | High-strength backboard of OLED liquid crystal television and processing technology thereof |
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