CN111014424A - Punching process of sheet metal part - Google Patents
Punching process of sheet metal part Download PDFInfo
- Publication number
- CN111014424A CN111014424A CN201911192787.5A CN201911192787A CN111014424A CN 111014424 A CN111014424 A CN 111014424A CN 201911192787 A CN201911192787 A CN 201911192787A CN 111014424 A CN111014424 A CN 111014424A
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- China
- Prior art keywords
- plate
- cavity
- sheet metal
- metal part
- blanking
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
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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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/24—Perforating, i.e. punching holes
- B21D28/34—Perforating tools; Die holders
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/027—Combined feeding and ejecting devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Details Of Cutting Devices (AREA)
Abstract
The invention belongs to the technical field of die manufacturing, and particularly relates to a punching process of a sheet metal part; the die adopted by the invention comprises an upper die plate, a stamping plate, a bottom plate and a base; a cavity is arranged in the bottom plate, and a material conveying unit is arranged in the cavity; the material conveying unit comprises a push rod, a gear, a cam, a first plate, a second plate, a push rod and a material discharging pipe; one end of the ejector rod is fixed at the bottom side of the cavity, and the other end of the ejector rod penetrates through the first plate and then is contacted with the bottom end of the auxiliary plate; the discharge pipe is arranged in the cavity, one end of the discharge pipe is close to the side wall of the main plate opposite to the auxiliary plate, and the other end of the discharge pipe extends out of the bottom plate; through the cooperation realization of push rod, gear, cam, a board, No. two boards, ejector pin and discharging pipe when accomplishing stamping process to the part, the blanking can be along the discharging pipe roll-off, has accomplished the automation of blanking and has taken, avoids still needing the manual work to take to save the cost of labor in the stamping process, improve work efficiency, bring very big convenience for the staff.
Description
Technical Field
The invention belongs to the technical field of die manufacturing, and particularly relates to a punching process of a sheet metal part.
Background
The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a die mounted on a press machine is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part. Modernization of mold manufacturing technology is the foundation of mold industry development. With the development of science and technology, advanced technologies such as computer technology, information technology, automation technology and the like are continuously permeating, intersecting and fusing to the traditional manufacturing technology, and are modified to form the advanced manufacturing technology.
However, in the use process of the stamping die in the current market, punched waste materials or blanks need to be manually taken by people, so that the life danger of workers is threatened, and the stamping working efficiency is reduced.
Disclosure of Invention
In order to make up for the defects of the prior art, the problems that the punched waste materials or blanks are manually taken by people when the stamping die in the current market is used, so that the life risk of workers is threatened, and the stamping working efficiency is reduced are solved; the invention provides a punching process of a sheet metal part.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a punching process of a sheet metal part, which comprises the following steps:
s1: cutting the sheet metal part according to the requirements of a client to enable the sheet metal part to be 1.2 times larger than the blanking size, driving a corresponding gear to rotate through a stepping motor, and further adjusting the position of a punch to enable the position of the punch to correspond to the position of a corresponding blanking hole, so that the adjustment of the machining position of a die is realized;
s2: the method comprises the following steps of horizontally placing the sheet metal part on a bottom plate of a die, enabling the ground of the sheet metal part to be tightly attached to the bottom plate, and pulling up a positioning bolt located on the side wall of the sheet metal part, so that the position of the sheet metal part is fixed, and the sheet metal part is prevented from being deviated in the stamping process to influence the machining precision;
s3: the stamping plate is descended, and the punch is driven to move downwards to the corresponding position of the sheet metal part in the descending process, so that the sheet metal part is stamped, the stamped blanking falls onto the surface of the bottom plate, and finally the blanking is collected, the sheet metal part is pulled out of the die, and the sheet metal part is punched;
the die adopted in the step S2 includes an upper die plate, a stamping plate, a bottom plate and a base; the upper template is arranged on the stamping plate; the bottom plate is arranged between the base and the stamping plate, a cavity is arranged in the bottom plate, and a material conveying unit is arranged in the cavity; the material conveying unit comprises a push rod, a gear, a cam, a first plate, a second plate, a push rod and a material discharging pipe; one end of the push rod is fixedly connected with the bottom side of the upper die plate, the other end of the push rod penetrates through the stamping plate and then is inserted into the cavity, inclined shifting teeth are arranged on the side wall of the push rod, which is positioned in the cavity, and an included angle of 45 degrees is formed between the shifting teeth and the bottom end of the cavity; the gear is rotationally connected to the position, close to the shifting teeth, in the side wall of the cavity, so that the shifting teeth can drive the gear to rotate in a single direction; the first plate is arranged at the bottom side of the cavity through a spring; the second plate is fixedly connected with the first plate through a strut, extends out of the outer surface of the bottom plate and consists of a main plate and an auxiliary plate; the auxiliary plate is hinged on the side wall of the main plate; the section of the cam is in a water drop shape, the cam is rotationally connected to the side wall of the cavity close to the first plate, and the cam is connected with the gear through a transmission belt; one end of the ejector rod is fixed at the bottom side of the cavity, and the other end of the ejector rod penetrates through the first plate and then is contacted with the bottom end of the auxiliary plate; the discharge pipe is arranged in the cavity, one end of the discharge pipe is close to the side wall of the main plate opposite to the auxiliary plate, and the other end of the discharge pipe extends out of the bottom plate; through the matching of the push rod, the gear, the cam, the first plate, the second plate, the ejector rod and the discharge pipe, the blanking can slide out along the discharge pipe when the part is stamped; when the automatic blanking taking device works, after a die is used for stamping a plate, punched blanking remains on a second plate, the die is opened, in the opening process of the die, a push rod is pulled to slide out of a cavity, so that a gear is driven to rotate through a shifting tooth, a cam is driven to rotate through a transmission belt after the gear rotates, the cam can extrude the first plate in the rotating process, the first plate slides towards the direction close to the bottom side of the cavity, so that the second plate is driven to move, one end of a push rod is fixed at the bottom side of the cavity, the other end of the push rod penetrates through the first plate and then contacts with the bottom end of the second plate, so that the push rod can generate jacking force on the second plate in the moving process, the sub plate is jacked, thrust force can be generated on the blanking after the sub plate is jacked, the blanking is pushed to a discharging pipe and slides out along the discharging pipe, automatic blanking taking is completed, and manual taking is avoided, therefore, labor cost in the stamping process is saved, the working efficiency is improved, and great convenience is brought to workers.
Preferably, a first push block is arranged on the side wall of the cam close to the bottom side of the cavity; a reinforcing unit is arranged in the cavity; the reinforcing unit comprises a baffle plate and a cushion block; the baffle is symmetrically fixed at the bottom side of the cavity close to the first plate, and a second push block is arranged at the position of the baffle close to the first push block; the cushion block is connected with the side wall of the stop block through a spring; the bottom end of the first plate is provided with a chute plate; the sliding groove plate is internally and slidably connected with a hinge rod; two ends of the hinge rod are respectively hinged on the side wall of the cushion block; the strength of the first plate and the second plate in the stamping process is enhanced through the matching of the first push block, the second push block, the baffle and the cushion block; when the punching die works, after a die is used for punching a plate, punched blanking remains on a second plate, the die is opened at the moment, in the opening process of the die, a push rod is pulled to slide out of a cavity, so that a gear is driven to rotate through a shifting tooth, a cam is driven to rotate through transmission after the gear rotates, the cam drives a first push block to move in the rotating process, and the second push block drives a cushion block to be drawn out of the bottom side of the first plate under the thrust action of the first push block, so that the first plate can slide under the action of the cam; when the plate needs to be punched, the first push block is driven to move through the rotation of the cam, so that the second push block does not receive the acting force of the first push block any more, and the second push block slides to the bottom side of the first plate again under the elastic action of the spring, so that the positions of the first plate and the second plate are reinforced, the strength requirement on a die in the punching process is met, and the integral using effect of the die is enhanced.
Preferably, the end part of the ejector rod close to the main plate is hinged with a reinforcing block; the side wall of the main board close to the reinforcing block is correspondingly provided with a slot; the matching strength between the main board and the auxiliary board is enhanced in the stamping process through the matching of the reinforcing block and the slot; when the device works, after a plate is punched by a die, punched blanking remains on a second plate, the die is opened, in the opening process of the die, a push rod can be pulled to slide out of a cavity, so that a gear is driven to rotate through a shifting tooth, a cam is driven to rotate through a transmission belt after the gear rotates, the cam can extrude the first plate in the rotating process, the first plate slides towards the direction close to the bottom side of the cavity, so that the second plate is driven to move, one end of a mandril is fixed at the bottom side of the cavity, the other end of the mandril penetrates through the first plate and then contacts with the bottom end of the second plate, so that the mandril can generate jacking force on the second plate in the moving process of the second plate, the second plate is jacked, and at the moment, a reinforcing block can slide out of a; when the punching press is carried out again, the die is closed, and the main plate and the auxiliary plate are reset at the moment, so that the reinforcing blocks are inserted into the slots again, the strength of the main plate and the auxiliary plate at the hinged position is enhanced, the integral strength of a second plate in the punching process is ensured, and the stability and the reliability of the whole die in the using process are ensured.
Preferably, the surface of the main plate is connected with a material driving plate in a sliding manner; the end part of the material driving plate is connected with the reinforcing block through a string; the falling of the blanking material into the discharging pipe and the sliding out are accelerated through the matching of the material driving plate and the reinforcing block; when the blanking device works, after a plate is punched by a die, punched blanking remains on a second plate, the die is opened, in the opening process of the die, a push rod is pulled to slide out of a cavity, so that a gear is driven to rotate through a shifting tooth, a cam is driven to rotate through transmission after the gear rotates, the cam can extrude the first plate in the rotating process, the first plate slides towards the direction close to the bottom side of the cavity, so that the second plate is driven to move, one end of a mandril is fixed at the bottom side of the cavity, the other end of the mandril penetrates through the first plate and then contacts with the bottom end of the second plate, so that the mandril can generate jacking force on the second plate in the moving process of the second plate, the second plate is jacked up, at the moment, a reinforcing block can slide out of a slot along with the mandril, the reinforcing block can be pulled to slide through a string in the sliding process, so that the blanking is generated, and the blanking material can slide from the second plate to a discharging pipe under, the blanking can be stably dropped into the discharging pipe, so that the working stability of the die is guaranteed, the using effect of the die is improved, the trouble and danger of manual taking are effectively avoided, and the safety of workers in the using process is improved.
Preferably, a circular fixture block is arranged at the position, close to the bottom end of the material driving plate, of the main plate; the bottom end of the material driving plate is provided with a radian, so that the material driving plate can tilt towards the material discharging pipe in the sliding process, and the tilting height is higher when the material driving plate is closer to the material discharging pipe, thereby enhancing the pushing effect on the blanking; when the material driving plate is in work, after a plate is punched by a die, punched blanking remains on a second plate, the die is opened, in the opening process of the die, a push rod is pulled to slide out of a cavity, so that a gear is driven to rotate through a shifting tooth, a cam is driven to rotate through a transmission belt after the gear rotates, the cam can extrude the first plate in the rotating process, the first plate slides towards the direction close to the bottom side of the cavity, so that the second plate is driven to move, one end of a mandril is fixed at the bottom side of the cavity, the other end of the mandril penetrates through the first plate and then is contacted with the bottom end of the subplate, so that the mandril can generate jacking force on the subplate in the moving process of the second plate, so that the subplate is jacked up, at the moment, a reinforcing block can slide out of a slot along with the mandril, in the sliding process of the reinforcing block, the material driving plate can be pulled to slide through a thin rope, and the, and the tilting height is higher when the discharging pipe is closer, so that the pushing effect on the blanking is enhanced.
Preferably, flexible elastic sheets are symmetrically arranged at the outlet of the discharge pipe, and the flexible elastic sheets are in contact with each other to seal the outlet of the discharge pipe when the discharge pipe is not stressed, so that the blanking is buffered; when the punching die works, after punching is carried out on a plate by the die, punched blanking remains on a second plate, the die is opened, in the opening process of the die, a push rod can be pulled to slide out of a cavity, so that a gear is driven to rotate through a shifting tooth, a cam is driven to rotate through a transmission belt after the gear rotates, the cam can extrude the first plate in the rotating process, the first plate slides towards the direction close to the bottom side of the cavity, so that the second plate is driven to move, one end of a push rod is fixed at the bottom side of the cavity, the other end of the push rod penetrates through the first plate and then contacts with the bottom end of the second plate, so that the push rod can generate jacking force on the second plate in the moving process, the second plate is jacked up, the push rod can generate thrust force on the blanking after the second plate is jacked up, so that the blanking is pushed to the discharging pipe and slides out along the discharging pipe, the blanking speed can be reduced under the action of the flexible elastic sheet in the sliding-out process, so that collision is avoided after the sliding speed of the blanking is too high, and the surface of the blanking is damaged.
The invention has the following beneficial effects:
1. according to the punching process of the sheet metal part, the blanking can slide out along the discharge pipe when the part is stamped and processed through the matching of the push rod, the gear, the cam, the first plate, the second plate, the ejector rod and the discharge pipe, so that the blanking can be automatically taken, and the manual taking is avoided, thereby saving the labor cost in the stamping and processing process, improving the working efficiency and bringing great convenience to workers.
2. According to the punching process of the sheet metal part, the strength of the first plate and the second plate in the punching process is enhanced through the matching of the first push block, the second push block, the baffle and the cushion block, so that the strength requirement on a die in the punching process is ensured, the integral using effect of the die is enhanced, and the safety of workers in the using process and the part processing quality are improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a process flow diagram of the present invention;
FIG. 2 is a diagram of the working state of the mold employed in the present invention;
FIG. 3 is a side view of a mold employed in the present invention;
FIG. 4 is a partial enlarged view of FIG. 3 at A;
FIG. 5 is a partial enlarged view of FIG. 3 at B;
FIG. 6 is a partial enlarged view at C in FIG. 3;
in the figure: the device comprises an upper template 1, a stamping plate 2, a bottom plate 3, a cavity 31, a base 4, a material conveying unit 5, a push rod 51, a shifting tooth 511, a gear 52, a cam 53, a first push block 531, a first plate 54, a sliding groove plate 541, a hinge rod 542, a second plate 55, a main plate 551, an auxiliary plate 552, a slot 553, a material driving plate 554, a circular fixture block 555, a top rod 56, a reinforcing block 561, a discharge pipe 57, a flexible elastic sheet 571, a reinforcing unit 6, a baffle 61, a second push block 611 and a cushion block 62.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 6, the punching process of the sheet metal part according to the present invention includes the following steps:
s1: cutting the sheet metal part according to the requirements of a client to enable the sheet metal part to be 1.2 times larger than the blanking size, driving a corresponding gear to rotate through a stepping motor, and further adjusting the position of a punch to enable the position of the punch to correspond to the position of a corresponding blanking hole, so that the adjustment of the machining position of a die is realized;
s2: the method comprises the following steps of horizontally placing the sheet metal part on a bottom plate of a die, enabling the ground of the sheet metal part to be tightly attached to the bottom plate, and pulling up a positioning bolt located on the side wall of the sheet metal part, so that the position of the sheet metal part is fixed, and the sheet metal part is prevented from being deviated in the stamping process to influence the machining precision;
s3: the stamping plate is descended, and the punch is driven to move downwards to the corresponding position of the sheet metal part in the descending process, so that the sheet metal part is stamped, the stamped blanking falls onto the surface of the bottom plate, and finally the blanking is collected, the sheet metal part is pulled out of the die, and the sheet metal part is punched;
the die adopted in the step S2 includes an upper die plate 1, a stamping plate 2, a bottom plate 3 and a base 4; the upper template 1 is arranged on the punching plate 2; the bottom plate 3 is arranged between the base 4 and the stamping plate 2, a cavity 31 is arranged in the bottom plate 3, and a material conveying unit 5 is arranged in the cavity 31; the material conveying unit 5 comprises a push rod 51, a gear 52, a cam 53, a first plate 54, a second plate 55, a push rod 56 and a material outlet pipe 57; one end of the push rod 51 is fixedly connected with the bottom side of the upper die plate 1, the other end of the push rod 51 penetrates through the stamping plate 2 and then is inserted into the cavity 31, the inclined shifting teeth 511 are arranged on the side wall of the push rod 51 positioned in the cavity 31, and an included angle of 45 degrees is formed between the shifting teeth 511 and the bottom end of the cavity 31; the gear 52 is rotatably connected to the side wall of the cavity 31 near the shifting tooth 511, so that the shifting tooth 511 can drive the gear 52 to rotate in one direction; the first plate 54 is mounted at the bottom side of the cavity 31 through a spring; the second plate 55 is fixedly connected with the first plate 54 through a support column, the second plate 55 extends out of the outer surface of the bottom plate 3, and the second plate 55 consists of a main plate 551 and an auxiliary plate 552; the auxiliary plate 552 is hinged on the side wall of the main plate 551; the section of the cam 53 is in a drop shape, the cam 53 is rotatably connected to the side wall of the cavity 31 close to the first plate 54, and the cam 53 is connected with the gear 52 through a transmission belt; one end of the ejector rod 56 is fixed at the bottom side of the cavity 31, and the other end of the ejector rod penetrates through the first plate 54 and then is contacted with the bottom end of the auxiliary plate 552; the discharge pipe 57 is arranged in the cavity 31, one end of the discharge pipe 57 is close to the side wall of the main plate 551 opposite to the auxiliary plate 552, and the other end of the discharge pipe 57 extends out of the bottom plate 3; through the matching of the push rod 51, the gear 52, the cam 53, the first plate 54, the second plate 55, the ejector rod 56 and the discharge pipe 57, when parts are stamped, the blanking can slide out along the discharge pipe 57; when the punching die works, after punching plates by the die, punched blanking remains on the second plate 55, the die is opened, in the opening process of the die, the push rod 51 is pulled to slide out of the cavity 31, so that the gear 52 is driven to rotate through the shifting teeth 511, the gear 52 drives the cam 53 to rotate through a transmission belt after rotating, the cam 53 extrudes the first plate 54 in the rotating process, the first plate 54 slides towards the direction close to the bottom side of the cavity 31, so that the second plate 55 is driven to move, because one end of the push rod 56 is fixed at the bottom side of the cavity 31, and the other end of the push rod 56 penetrates through the first plate 54 and then contacts with the bottom end of the auxiliary plate 552, the push rod 56 can generate ejecting force on the auxiliary plate 552 in the moving process of the second plate 55, so that the auxiliary plate 552 is ejected, thrust can be generated on the blanking after the auxiliary plate 552 is ejected, so that the blanking is pushed to the discharge pipe 57 and slides out along the discharge pipe, the blanking automatic taking device has the advantages that the blanking automatic taking is completed, the manual taking is avoided, the labor cost in the stamping process is saved, the working efficiency is improved, and great convenience is brought to workers.
As an embodiment of the present invention, a first push block 531 is disposed on a side wall of the cam 53 near the bottom side of the cavity 31; a reinforcing unit 6 is arranged in the cavity 31; the reinforcing unit 6 includes a baffle 61 and a spacer 62; the baffle 61 is symmetrically fixed at the bottom side of the cavity 31 close to the first plate 54, and the second push block 611 is arranged at the position of the baffle 61 close to the first push block 531; the cushion block 62 is connected with the side wall of the stop block through a spring; a chute plate 541 is arranged at the bottom end of the first plate 54; a hinge bar 542 is slidably connected in the chute plate 541; two ends of the hinge rod 542 are respectively hinged on the side wall of the cushion block 62; the strength of the first plate 54 and the second plate 55 in the stamping process is enhanced through the matching of the first push block 531, the second push block 611, the baffle 61 and the cushion block 62; during operation, after the die performs stamping processing on a plate, stamped blanking remains on the second plate 55, the die is opened at the moment, and in the opening process of the die, the push rod 51 is pulled to slide out of the cavity 31, so that the gear 52 is driven to rotate through the shifting tooth 511, the gear 52 drives the cam 53 to rotate through the transmission belt after rotating, the cam 53 drives the first push block 531 to move in the rotating process, so that the second push block 611 drives the cushion block 62 to be drawn out of the bottom side of the first plate 54 under the thrust action of the first push block 531, and the first plate 54 slides under the action of the cam 53; when the plate needs to be punched, the cam 53 rotates to drive the first push block 531 to move, so that the second push block 611 is not acted by the first push block 531 any more, and the second push block 611 slides to the bottom side of the first plate 54 again under the elastic force action of the spring, so that the positions of the first plate 54 and the second plate 55 are reinforced, the strength requirement on the die in the punching process is guaranteed, and the overall use effect of the die is enhanced.
As an embodiment of the present invention, the end of the top bar 56 near the main plate 551 is hinged with a reinforcing block 561; the main board 551 is correspondingly provided with a slot 553 on the side wall close to the reinforcing block 561; the matching strength between the main plate 551 and the auxiliary plate 552 is enhanced in the stamping process through the matching of the reinforcing blocks 561 and the slots 553; when the stamping die works, after stamping is carried out on a plate by the stamping die, stamped blanking remains on the second plate 55, the stamping die is opened at the moment, in the opening process of the stamping die, the push rod 51 is pulled to slide out of the cavity 31, so that the gear 52 is driven to rotate through the shifting teeth 511, the gear 52 drives the cam 53 to rotate through a transmission belt after rotating, the cam 53 extrudes the first plate 54 in the rotating process, the first plate 54 slides towards the direction close to the bottom side of the cavity 31, so that the second plate 55 is driven to move, because one end of the ejector rod 56 is fixed at the bottom side of the cavity 31, and the other end of the ejector rod 56 penetrates through the first plate 54 and then contacts with the bottom end of the auxiliary plate 552, in the moving process of the second plate 55, the ejector rod 56 can generate an ejecting force 553 for the auxiliary plate 552, so that the auxiliary plate 552 is ejected up, and the reinforcing block 561; when the punching process needs to be carried out again, the die is closed, at the moment, the main plate 551 and the auxiliary plate 552 reset, so that the reinforcing block 561 is inserted into the slot 553 again, the strength of the hinged part of the main plate 551 and the auxiliary plate 552 is enhanced, the integral strength of the second plate 55 in the punching process is ensured, and the stability and the reliability of the whole die in the using process are ensured.
As an embodiment of the present invention, a material expelling plate 554 is slidably connected to the surface of the main plate 551; the end part of the material driving plate 554 is connected with the reinforcing block 561 through a string; the falling of the blanking material into the discharging pipe 57 is accelerated to slide out through the matching of the material driving plate 554 and the reinforcing block 561; when the stamping die works, after the stamping processing is carried out on a plate by the die, punched blanking remains on the second plate 55, the die is opened at the moment, in the opening process of the die, the push rod 51 is pulled to slide out of the cavity 31, so that the gear 52 is driven to rotate through the shifting tooth 511, the gear 52 drives the cam 53 to rotate through the transmission belt after rotating, the cam 53 extrudes the first plate 54 in the rotating process, the first plate 54 slides towards the direction close to the bottom side of the cavity 31, so that the second plate 55 is driven to move, as one end of the push rod 56 is fixed at the bottom side of the cavity 31, and the other end of the push rod 56 penetrates through the first plate 54 and then contacts with the bottom end of the second plate 552, in the moving process of the second plate 55, the push rod 56 can generate ejecting force on the second plate 552, so as to eject the second plate 553, at the moment, the reinforcing block 561 can slide out of the slot 552 along with the push rod 56, and the reinforcing, thereby produce thrust to the blanking for the blanking slides from No. two boards 55 under the effect of thrust and drops to discharging pipe 57, guaranteed that the blanking can be stable drop to discharging pipe 57 in, thereby guaranteed the stability of mould work, improved the result of use of mould, effectively avoided artifical trouble and danger of taking, improved the security of staff in the use.
As an embodiment of the invention, a circular fixture block 555 is arranged on the main plate 551 near the bottom end of the material expelling plate 554; the bottom end of the material driving plate 554 is provided with a radian, so that the material driving plate 554 can tilt towards the material discharging pipe 57 in the sliding process, and the tilting height is higher when the material driving plate is closer to the material discharging pipe 57, thereby enhancing the pushing effect on the blanking; when the stamping die works, after stamping processing is carried out on a plate by the stamping die, stamped blanking remains on the second plate 55, the stamping die is opened at the moment, in the opening process of the stamping die, the push rod 51 is pulled to slide out of the cavity 31, so that the gear 52 is driven to rotate through the shifting tooth 511, the gear 52 drives the cam 53 to rotate through the transmission belt after rotating, the cam 53 can extrude the first plate 54 in the rotating process, the first plate 54 slides towards the direction close to the bottom side of the cavity 31, so that the second plate 55 is driven to move, because one end of the push rod 56 is fixed at the bottom side of the cavity 31, and the other end of the push rod 56 penetrates through the first plate 54 and then contacts with the bottom end of the second plate 552, in the moving process of the second plate 55, the push rod 56 can generate ejecting force on the second plate 552, so as to eject the second plate 553, at the moment, the reinforcing block 561 can slide out of the slot 552 along with the push rod 56, and the, because the bottom end of the material driving plate 554 is provided with the radian, the material driving plate 554 can be tilted towards the material discharging pipe 57 in the sliding process, and the tilting height is higher when the material driving plate is closer to the material discharging pipe 57, so that the pushing effect on the blanking is enhanced.
As an embodiment of the present invention, the outlet of the discharging pipe 57 is symmetrically provided with flexible spring plates 571, and the flexible spring plates 571 are in contact with each other when not stressed to seal the outlet of the discharging pipe 57, so as to buffer the blanking; when the punching die works, after punching plates by the die, punched blanking remains on the second plate 55, the die is opened, in the opening process of the die, the push rod 51 is pulled to slide out of the cavity 31, so that the gear 52 is driven to rotate through the shifting teeth 511, the gear 52 drives the cam 53 to rotate through the transmission belt after rotating, the cam 53 extrudes the first plate 54 in the rotating process, the first plate 54 slides towards the direction close to the bottom side of the cavity 31, so that the second plate 55 is driven to move, because one end of the push rod 56 is fixed at the bottom side of the cavity 31, and the other end of the push rod 56 penetrates through the first plate 54 and then contacts with the bottom end of the auxiliary plate 552, the push rod 56 can generate ejecting force on the auxiliary plate 552 in the moving process of the second plate 55, so that the secondary plate 552 is ejected, thrust can be generated on the blanking pipe 552 after the auxiliary plate 552 is ejected, so that the blanking can be pushed to the discharging pipe 57 and slide out along the, due to the fact that the flexible elastic pieces 571 are symmetrically arranged at the outlet of the discharging pipe 57, the blanking is decelerated under the action of the flexible elastic pieces 571 in the sliding-out process, and collision caused by the fact that the blanking surface is damaged due to the fact that the blanking collides after the sliding speed of the blanking is too high is avoided.
When the punching die works, after punching plates by the die, punched blanking remains on the second plate 55, the die is opened, in the opening process of the die, the push rod 51 is pulled to slide out of the cavity 31, so that the gear 52 is driven to rotate through the shifting teeth 511, the gear 52 drives the cam 53 to rotate through a transmission belt after rotating, the cam 53 extrudes the first plate 54 in the rotating process, the first plate 54 slides towards the direction close to the bottom side of the cavity 31, so that the second plate 55 is driven to move, because one end of the push rod 56 is fixed at the bottom side of the cavity 31, and the other end of the push rod passes through the first plate 54 and then contacts with the bottom end of the auxiliary plate 552, the push rod 56 can generate jacking force on the auxiliary plate 552 in the moving process of the second plate 55, so that the auxiliary plate is jacked up, thrust force can be generated on the blanking after the auxiliary plate 552 is jacked up, so that the blanking is pushed to the discharge pipe 57 and slides out along, the blanking is automatically taken, and manual taking is avoided, so that the labor cost in the stamping process is saved, the working efficiency is improved, and great convenience is brought to workers; after the plate is stamped by the die, stamped blanking remains on the second plate 55, the die is opened, and in the process of opening the die, the push rod 51 is pulled to slide out of the cavity 31, so that the gear 52 is driven to rotate through the shifting teeth 511, the cam 53 is driven to rotate through the transmission belt after the gear 52 rotates, the first push block 531 is driven to move by the cam 53 in the rotating process, and the second push block 611 is driven to draw out the bottom side of the first plate 54 by the cushion block 62 under the thrust action of the first push block 531, so that the first plate 54 can slide under the action of the cam 53; when the plate needs to be punched, the cam 53 rotates to drive the first push block 531 to move, so that the second push block 611 is not acted by the first push block 531 any more, and the second push block 611 slides to the bottom side of the first plate 54 again under the elastic force of the spring, so that the positions of the first plate 54 and the second plate 55 are reinforced, the strength requirement on the die in the punching process is ensured, and the integral using effect of the die is enhanced; after the plate is stamped by the die, the stamped blanking remains on the second plate 55, the die is opened at this time, in the opening process of the die, the push rod 51 is pulled to slide out of the cavity 31, so that the gear 52 is driven to rotate through the shifting teeth 511, the gear 52 drives the cam 53 to rotate through the transmission belt after rotating, the cam 53 extrudes the first plate 54 in the rotating process, the first plate 54 slides towards the direction close to the bottom side of the cavity 31, so that the second plate 55 is driven to move, because one end of the ejector rod 56 is fixed at the bottom side of the cavity 31, and the other end of the ejector rod 56 penetrates through the first plate 54 and then contacts with the bottom end of the auxiliary plate 552, in the moving process of the second plate 55, the ejector rod 56 can generate ejecting force on the auxiliary plate 552, so that the auxiliary plate is ejected by the auxiliary plate 553, and the reinforcing block 561 can slide out of the slot 552 along; when the punching process needs to be carried out again, the die is closed, and at the moment, the main plate 551 and the auxiliary plate 552 reset, so that the reinforcing block 561 is inserted into the slot 553 again, the strength of the hinged part of the main plate 551 and the auxiliary plate 552 is enhanced, the integral strength of the second plate 55 in the punching process is ensured, and the stability and the reliability of the whole die in the use process are ensured; after the plate is punched by the die, the punched blanking remains on the second plate 55, the die is opened, in the process of opening the die, the push rod 51 is pulled to slide out of the cavity 31, so that the gear 52 is driven to rotate through the shifting teeth 511, the cam 53 is driven to rotate through the transmission belt after the gear 52 rotates, the cam 53 extrudes the first plate 54 in the rotating process, the first plate 54 slides towards the direction close to the bottom side of the cavity 31, so as to drive the second plate 55 to move, because one end of the push rod 56 is fixed at the bottom side of the cavity 31, and the other end of the push rod 56 penetrates through the first plate 54 and then contacts with the bottom end of the second plate 552, in the moving process of the second plate 55, the push rod 56 can generate a pushing force on the second plate 552, so as to push the second plate up, at this time, the reinforcing block 561 can slide out of the slot 553 along with the push rod 56, and the reinforcing block 561 can pull the plate 554 through the, the blanking device has the advantages that thrust is generated on the blanking, the blanking slides from the second plate 55 to the discharging pipe 57 under the action of the thrust, and the blanking can stably drop into the discharging pipe 57, so that the working stability of the die is ensured, the using effect of the die is improved, the trouble and danger of manual taking are effectively avoided, and the safety of workers in the using process is improved; after the plate is punched by the die, the punched blanking remains on the second plate 55, the die is opened, in the process of opening the die, the push rod 51 is pulled to slide out of the cavity 31, so that the gear 52 is driven to rotate through the shifting teeth 511, the gear 52 drives the cam 53 to rotate through the transmission belt after rotating, the cam 53 extrudes the first plate 54 in the rotating process, the first plate 54 slides towards the direction close to the bottom side of the cavity 31, so as to drive the second plate 55 to move, because one end of the push rod 56 is fixed at the bottom side of the cavity 31, and the other end of the push rod 56 penetrates through the first plate 54 and then contacts with the bottom end of the second plate 552, in the moving process of the second plate 55, the push rod 56 can generate a pushing force on the second plate 552, so as to jack the second plate, at this time, the reinforcing block 561 can slide out of the slot 553 along with the push rod 56, and the reinforcing block 561 can pull the material plate 554 to slide through the thin, the radian is arranged at the bottom end of the material driving plate 554, so that the material driving plate 554 can tilt towards the material discharging pipe 57 in the sliding process, and the tilting height is higher when the material driving plate is closer to the material discharging pipe 57, so that the pushing effect on the blanking is enhanced; after the punching processing is carried out on the plate by the die, the punched blanking material remains on the second plate 55, the die is opened at the moment, in the opening process of the die, the push rod 51 is pulled to slide out of the cavity 31, so that the gear 52 is driven to rotate through the shifting tooth 511, the gear 52 drives the cam 53 to rotate through the transmission belt after rotating, the cam 53 can extrude the first plate 54 in the rotating process, the first plate 54 slides towards the direction close to the bottom side of the cavity 31, so that the second plate 55 is driven to move, because one end of the ejector rod 56 is fixed at the bottom side of the cavity 31, and the other end of the ejector rod 56 penetrates through the first plate 54 and then contacts with the bottom end of the auxiliary plate 552, so that in the moving process of the second plate 55, the ejector rod 56 can generate ejecting force on the auxiliary plate 552, so as to eject the blanking plate 552, and generate pushing force on the auxiliary plate 552 after ejecting, so as to push the discharging pipe to 57, due to the fact that the flexible elastic pieces 571 are symmetrically arranged at the outlet of the discharging pipe 57, the blanking is decelerated under the action of the flexible elastic pieces 571 in the sliding-out process, and collision caused by the fact that the blanking surface is damaged due to the fact that the blanking collides after the sliding speed of the blanking is too high is avoided.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A punching process of a sheet metal part is characterized by comprising the following steps: the punching process comprises the following steps:
s1: cutting the sheet metal part according to the requirements of a client to enable the sheet metal part to be 1.2 times larger than the blanking size, driving a corresponding gear to rotate through a stepping motor, and further adjusting the position of a punch to enable the position of the punch to correspond to the position of a corresponding blanking hole, so that the adjustment of the machining position of a die is realized;
s2: the method comprises the following steps of horizontally placing the sheet metal part on a bottom plate of a die, enabling the ground of the sheet metal part to be tightly attached to the bottom plate, and pulling up a positioning bolt located on the side wall of the sheet metal part, so that the position of the sheet metal part is fixed, and the sheet metal part is prevented from being deviated in the stamping process to influence the machining precision;
s3: the stamping plate is descended, and the punch is driven to move downwards to the corresponding position of the sheet metal part in the descending process, so that the sheet metal part is stamped, the stamped blanking falls onto the surface of the bottom plate, and finally the blanking is collected, the sheet metal part is pulled out of the die, and the sheet metal part is punched;
the die adopted in the step S2 comprises an upper die plate (1), a stamping plate (2), a bottom plate (3) and a base (4); the upper template (1) is arranged on the stamping plate (2); the bottom plate (3) is arranged between the base (4) and the stamping plate (2), a cavity (31) is arranged in the bottom plate (3), and a material conveying unit (5) is arranged in the cavity (31); the material conveying unit (5) comprises a push rod (51), a gear (52), a cam (53), a first plate (54), a second plate (55), a push rod (56) and a discharge pipe (57); one end of the push rod (51) is fixedly connected with the bottom side of the upper template (1), the other end of the push rod penetrates through the stamping plate (2) and then is inserted into the cavity (31), inclined shifting teeth (511) are arranged on the side wall, located in the cavity (31), of the push rod (51), and an included angle of 45 degrees is formed between the shifting teeth (511) and the bottom end of the cavity (31); the gear (52) is rotatably connected to the position, close to the shifting teeth (511), in the side wall of the cavity (31), so that the shifting teeth (511) can drive the gear (52) to rotate in a single direction; the first number plate (54) is arranged at the bottom side of the cavity (31) through a spring; the second plate (55) is fixedly connected with the first plate (54) through a support column, the second plate (55) extends out of the outer surface of the bottom plate (3), and the second plate (55) consists of a main plate (551) and an auxiliary plate (552); the auxiliary plate (552) is hinged on the side wall of the main plate (551); the section of the cam (53) is in a water drop shape, the cam (53) is rotatably connected to the side wall of the cavity (31) close to the first plate (54), and the cam (53) is connected with the gear (52) through a transmission belt; one end of the ejector rod (56) is fixed at the bottom side of the cavity (31), and the other end of the ejector rod penetrates through the first plate (54) and then is contacted with the bottom end of the auxiliary plate (552); the discharge pipe (57) is arranged in the cavity (31), one end of the discharge pipe (57) is close to the side wall of the main plate (551) opposite to the auxiliary plate (552), and the other end of the discharge pipe (57) extends out of the bottom plate (3); through the cooperation of the push rod (51), the gear (52), the cam (53), the first plate (54), the second plate (55), the ejector rod (56) and the discharge pipe (57), when parts are stamped and machined, the blanking can slide out along the discharge pipe (57).
2. The punching process of a sheet metal part according to claim 1, characterized in that: a first push block (531) is arranged on the side wall of the cam (53) close to the bottom side of the cavity (31); a reinforcing unit (6) is arranged in the cavity (31); the reinforcing unit (6) comprises a baffle plate (61) and a cushion block (62); the baffle (61) is symmetrically fixed at the bottom side of the cavity (31) close to the first plate (54), and a second push block (611) is arranged at the position, close to the first push block (531), of the baffle (61); the cushion block (62) is connected with the side wall of the stop block through a spring; a sliding groove plate (541) is arranged at the bottom end of the first plate (54); a hinge rod (542) is connected in the sliding groove plate (541) in a sliding way; two ends of the hinge rod (542) are respectively hinged on the side wall of the cushion block (62); the strength of the first plate (54) and the second plate (55) in the stamping process is enhanced through the matching of the first push block (531), the second push block (611), the baffle (61) and the cushion block (62).
3. The punching process of a sheet metal part according to claim 1, characterized in that: the end part of the ejector rod (56) close to the main plate (551) is hinged with a reinforcing block (561); the side wall of the main board (551) close to the reinforcing block (561) is correspondingly provided with a slot (553); the matching strength between the main plate (551) and the auxiliary plate (552) is enhanced in the stamping process through the matching of the reinforcing blocks (561) and the slots (553).
4. The punching process of a sheet metal part according to claim 3, characterized in that: the surface of the main plate (551) is connected with a material expelling plate (554) in a sliding way; the end part of the material driving plate (554) is connected with the reinforcing block (561) through a string; the cooperation of the material driving plate (554) and the reinforcing block (561) accelerates falling of the blanking material into the material discharging pipe (57) to slide out.
5. The punching process of a sheet metal part according to claim 4, characterized in that: a circular fixture block (555) is arranged at the position, close to the bottom end of the material driving plate (554), of the main plate (551); catch up flitch (554) bottom and be equipped with the radian for catch up flitch (554) can be to the direction perk of discharging pipe (57) at the slip in-process, and the height of perk when being closer to discharging pipe (57) more is higher more, thereby strengthens the promotion effect to the blanking.
6. The punching process of a sheet metal part according to claim 5, characterized in that: the outlet of the discharge pipe (57) is symmetrically provided with flexible elastic sheets (571), and the flexible elastic sheets (571) are in contact with each other to seal the outlet of the discharge pipe (57) when not stressed, so that the blanking is buffered.
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| CN201911192787.5A CN111014424B (en) | 2019-11-28 | 2019-11-28 | Punching process of sheet metal part |
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| CN201911192787.5A CN111014424B (en) | 2019-11-28 | 2019-11-28 | Punching process of sheet metal part |
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| CN111014424B CN111014424B (en) | 2021-04-06 |
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| CN207787419U (en) * | 2017-12-18 | 2018-08-31 | 重庆安亚模具制造有限公司 | A kind of Trimming Die being automatically drained out waste material |
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| SU988413A1 (en) * | 1981-06-19 | 1983-01-15 | за витель BCiiCOHBSA ЯЛТЕнТНе0.В.Бойков ТЕ-х;1И1К: « | Die for forming sheet material |
| CN2732383Y (en) * | 2004-07-28 | 2005-10-12 | 比亚迪股份有限公司 | Die discharging mechanism |
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| CN207787419U (en) * | 2017-12-18 | 2018-08-31 | 重庆安亚模具制造有限公司 | A kind of Trimming Die being automatically drained out waste material |
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| CN111014424B (en) | 2021-04-06 |
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