CN115301846B

CN115301846B - High-precision metal iron box stamping equipment

Info

Publication number: CN115301846B
Application number: CN202211243648.2A
Authority: CN
Inventors: 金建军
Original assignee: Nantong Manselai Daily Necessities Co ltd
Current assignee: Nantong Manselai Daily Necessities Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-03-24
Anticipated expiration: 2042-10-12
Also published as: CN115301846A

Abstract

The invention discloses high-precision metal iron box stamping equipment which comprises an operation main body, wherein the operation main body comprises a machine body, a working cavity is formed in the machine body, a punch part is arranged in the machine body, and a punch on one side of the punch part penetrates through the machine body and extends into the working cavity. This high accuracy metal iron box stamping equipment can solve prior art effectively, the production of iron box tank bottoms utilizes the drift to punch press by the handheld blank of workman usually, a blank can punch a plurality of tank bottoms, consequently, need the workman to remove the blank position repeatedly, the blank is very thin, when the blank lifts up to fall down once more, elastic deformation takes place for the blank easily, can't make and align fast between blank and the mould, there is the high deviation in the levelness of blank and the mould upper surface, there is the part blank that has not aligned promptly to receive the punching press of drift, tank bottoms flange height difference after the punching press is uneven, influence the problem of follow-up tank bottoms installation.

Description

High-precision metal iron box stamping equipment

Technical Field

The invention relates to the technical field of metal stamping, in particular to high-precision metal iron box stamping equipment.

Background

Metal stamping is also called plate stamping, and is generally performed at normal temperature, and sometimes called cold stamping. The method is a processing method which utilizes stamping equipment and a stamping die to lead various plate materials or blanks with different specifications to generate permanent deformation or separation under the action of pressure so as to manufacture parts with various required shapes.

The metal iron box can be structurally divided into a one-piece can, a two-piece can and a three-piece can, wherein one can is composed of a single iron sheet; two-piece tank: the two-piece can is a metal container consisting of a can body connected with the bottom and a can cover, and comprises three pieces: the three-piece can is a metal container formed by connecting three main parts, namely a can cover, a can body and a can bottom. For manufacturing the bottom of the metal iron box, a blank is usually held by a worker and moved to the position above a die to be punched by a punch, and one blank can punch a plurality of tank bottoms, so that the position of the blank needs to be moved repeatedly by the worker, the blank is very thin, when the blank is lifted up and falls down again, the blank is easy to elastically deform, the blank and the die cannot be aligned quickly, the levelness of the blank and the upper surface of the die have height deviation, a part of the blank which is not aligned is punched by the punch, and the heights of the flanges of the punched tank bottoms are different, so that the subsequent tank bottom installation is influenced.

Disclosure of Invention

Solves the technical problem

Aiming at the defects in the prior art, the invention provides high-precision metal iron box stamping equipment which can effectively solve the problems that in the prior art, a punch is used for stamping blanks held by a worker in an iron box bottom production process, one blank can stamp a plurality of bottom of a tank, so that the position of the blank needs to be repeatedly moved by the worker, the blank is very thin, when the blank is lifted up and falls down again, the blank is easy to generate elastic deformation, the blank and a die cannot be aligned quickly, the levelness of the blank and the upper surface of the die have height deviation, partial blanks which are not aligned are stamped by the punch, and the heights of flanges of the stamped tank bottoms are uneven, so that the subsequent tank bottom installation is influenced.

Technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

the invention provides a high-precision metal iron box stamping device, which comprises:

the operation body comprises a machine body, a working cavity is formed in the machine body, a punch part is arranged in the machine body, a punch on one side of the punch part penetrates through the machine body and extends into the working cavity, and a die which is matched with the punch on the outer side of the punch part is arranged on the inner wall of the working cavity;

the utility model discloses a blank placing device, including the portion of placing, the portion of placing includes the connecting block, the connecting block outside and working chamber inner wall fixed connection, the connecting block has the frame through seting up at its inside heterotypic groove sliding connection, the drift part outside is provided with the push rod that can laminate mutually with the frame outside, the frame is connected with the working chamber inner wall through the powerful spring that sets up in its outside, the frame has the piece of placing through the slide bar sliding connection who sets up in its inside for the placing of blank, place an internal thread and install the lead screw, the lead screw outside is passed through the bearing and is connected with the inside rotation of frame, lead screw outer end fixedly connected with driver, the driver outside is through mounting panel and frame outside fixed connection.

Furthermore, a control panel is arranged on the outer side of the machine body, and a material groove which can be communicated with the working cavity is formed in the machine body.

Further, the push rod is provided with two and uses the drift part to distribute as central symmetry, the push rod includes straight-bar and knee, the knee is elastic design, the knee is through setting up the rubber slab and the frame outside looks adaptation in its outer end.

Furthermore, a discharge outlet is formed in the frame and used for discharging waste blanks, the two connecting blocks are symmetrically distributed by taking the die as the center, and the distance between every two adjacent connecting blocks is far larger than the diameter of the bottom of the punched tank.

Further, place the piece and include the hard board, the inside and slide bar outside sliding connection of hard board, inside screw hole and the lead screw outside threaded connection of passing through of hard board, the inside punching press hole of having seted up of hard board, horn hole, straight hole and square hole have been seted up in proper order to hard board from the top down, communicate each other between horn hole, straight hole, punching press hole and the square hole.

Further, the straight hole inner wall is attached to the outer side of the blank, the diameter of the square hole is larger than that of the straight hole, the bottom end of the square hole is communicated with the top end of the discharge opening, and the diameter of the discharge opening is larger than that of the square hole.

Furthermore, a sliding hole which can be communicated with the straight hole is formed in the hard plate, the inner wall of the sliding hole is respectively connected with a first magnetic plate and a second magnetic plate in a sliding mode, the first magnetic plate and the second magnetic plate are connected with the inner wall of the sliding hole through miniature springs arranged on the outer sides of the first magnetic plate and the second magnetic plate, and limiting plates which can be tightly attached to the inner wall of the straight hole are arranged on the outer sides of the first magnetic plate and the second magnetic plate.

Furthermore, the magnetic poles of the first magnetic plate and the second magnetic plate on the sides far away from the straight holes are in an opposite polarity design, the outer sides of the connecting blocks are fixedly connected with a first magnetic block and a second magnetic block through connecting frames respectively, the outer sides of the first magnetic block and the second magnetic block are in an opposite polarity design, the outer side of the first magnetic plate is magnetically attracted to the outer side of the first magnetic block, and the outer side of the second magnetic plate is magnetically attracted to the outer side of the second magnetic block.

Advantageous effects

Compared with the prior art, the technical scheme provided by the invention has the following beneficial effects:

the invention is provided with a punch head part, a die, a placing part, a push rod and a frame, wherein a hydraulic propeller in the punch head part pushes the punch head and the push rod to synchronously move towards one side of a blank, the push rod comprises a straight rod and a bent rod, the bent rod is in an elastic design, the elastic force of the bent rod is greater than the initial elastic force of a strong spring, the bent rod pushes the frame, the placing part, the blank and the like to synchronously move towards one side of the die until the blank is attached to the die, a special-shaped groove limits the frame, then the punch head and the push rod continuously move, the bent rod in the push rod is elastically deformed under the reverse acting force, and the punch head is matched with the die to punch the left part of the blank. Place the piece and carry on spacingly to the blank, utilize the drift punching press in the drift part, avoid the drift accidental injury workman, the security is high, and save the artifical trouble of taking out the tank bottoms alone (vertical arrangement between current mould and the blank), the punching press is efficient, simultaneously the punching press in-process, the push rod drives the frame, place a and blank and move to mould one side in step, the blank closely laminates on the mould (the levelness of blank is unanimous with mould surface levelness), the trouble of the manual alignment of blank and mould is saved. The drive lead screw rotates, it places piece and blank synchronous motion to drive, avoid mutual interference between punching press back blank breach and the mould, simultaneously the blank closely laminates all the time on placing a well straight hole inner wall, avoid the blank to take place elastic deformation at every turn and remove the in-process, in the follow-up stamping process, the push rod drives the frame, it moves to mould one side to place piece and blank in step, the blank closely laminates on the mould (the levelness of blank and mould surface levelness unanimous), align fast between blank and the mould, reduce greatly the high deviation between blank and the mould, make the tank bottoms flange height uniformity after the punching press unanimous, make things convenient for follow-up tank bottoms to install.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic structural diagram illustrating the three-dimensional state transformation according to an embodiment of the present invention;

FIG. 3 is a schematic three-dimensional multi-state structure according to an embodiment of the present invention;

FIG. 4 is an enlarged partial structural view of the portion A in FIG. 3 according to the embodiment of the present invention;

FIG. 5 is a schematic perspective view of a mounting portion according to an embodiment of the present invention;

FIG. 6 is a schematic perspective view of the rack and the placement member according to the embodiment of the present invention;

fig. 7 is a perspective partial sectional structural schematic view of a placing member according to an embodiment of the invention.

The reference numerals in the drawings denote: 1. an operation body; 11. a body; 12. a working chamber; 13. a punch member; 14. a mold; 15. a material groove; 2. a placement section; 21. connecting blocks; 211. a first magnetic block; 212. a second magnetic block; 22. a special-shaped groove; 23. a frame; 231. a discharge outlet; 24. a push rod; 25. a slide bar; 26. a strong spring; 27. placing the piece; 270. a limiting plate; 271. a hard plate; 272. punching a hole; 273. a horn hole; 274. straight holes; 275. a square hole; 276. a slide hole; 277. a first magnetic plate; 278. a second magnetic plate; 279. a micro-spring; 28. a screw rod; 29. a driver.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

The present invention will be further described with reference to the following examples.

Example (b):

referring to fig. 1-7, the present invention provides a technical solution: 1. the utility model provides a high accuracy metal can stamping equipment which characterized in that includes:

the operation body 1 comprises a body 11, a working cavity 12 is formed in the body 11, a punch part 13 is arranged in the body 11, a punch on one side of the punch part 13 penetrates through the body 11 and extends into the working cavity 12, and a die 14 which can be matched with the punch on the outer side of the punch part 13 is arranged on the inner wall of the working cavity 12;

the placing part 2 comprises a connecting block 21, the outer side of the connecting block 21 is fixedly connected with the inner wall of the working cavity 12, the connecting block 21 is connected with a rack 23 through a special-shaped groove 22 arranged in the connecting block 21 in a sliding mode, a push rod 24 which can be attached to the outer side of the rack 23 is arranged on the outer side of the punch part 13, the rack 23 is connected with the inner wall of the working cavity 12 through a strong spring 26 arranged on the outer side of the rack 23, the rack 23 is connected with a placing part 27 through a sliding rod 25 arranged in the rack 23 in a sliding mode, blanks are placed, a screw rod 28 is installed on the inner side of the placing part 27 through threads, the outer side of the screw rod 28 is connected with the inner side of the rack 23 through a bearing in a rotating mode, a driver 29 is fixedly connected with the outer side of the rack 23 through a mounting plate, and the outer side of the driver 29 is fixedly connected with the outer side of the rack 23 through a mounting plate. According to the invention, the blank is limited by the placing piece 27, the punch in the punch part 13 is used for punching, the punch is prevented from accidentally injuring workers, the safety is high, the trouble of manually and independently taking out the tank bottom (the existing die and the blank are vertically arranged) is eliminated, the punching efficiency is high, meanwhile, in the punching process, the push rod 24 drives the rack 23, the placing piece 27 and the blank to synchronously move towards one side of the die 14, the blank is tightly attached to the die 14 (the levelness of the blank is consistent with the levelness of the outer surface of the die), and the trouble of manually aligning the blank and the die 14 is eliminated.

A control panel is arranged on the outer side of the machine body 11, and a material groove 15 which can be communicated with the working cavity 12 is formed in the machine body 11.

The push rods 24 are arranged in two and symmetrically distributed by taking the punch part 13 as a center, each push rod 24 comprises a straight rod and a bent rod, each bent rod is in elastic design, and the bent rods are matched with the outer side of the rack 23 through rubber plates arranged at the outer ends of the bent rods.

The frame 23 is provided with a discharge outlet 231 inside for discharging waste blanks, the connecting blocks 21 are arranged in two and symmetrically distributed by taking the die 14 as a center, and the distance between every two adjacent connecting blocks 21 is far larger than the diameter of the bottom of the punched tank. After each punching, the punch and the push rod 24 are reset, the rack 23 is under the elastic action of the strong spring 26 to drive the placing piece 27 and the blank to be reset synchronously (the placing piece 27 and the blank are separated from the die 14), the screw rod 28 is driven to rotate to drive the placing piece 27 and the blank to move synchronously, the mutual interference between the notch of the punched blank and the die 14 is avoided, meanwhile, the blank is always tightly attached to the inner wall of the straight hole 274 in the placing piece 27, the elastic deformation of the blank in each moving process is avoided, in the subsequent punching process, the push rod 24 drives the rack 23, the placing piece 27 and the blank to move synchronously to one side of the die 14, the blank is tightly attached to the die 14 (the levelness of the blank is consistent with the levelness of the outer surface of the die), the blank is quickly aligned with the die 14, the height deviation between the blank and the die is greatly reduced, the height of the punched tank bottom flange is uniform, and the subsequent tank bottom installation is convenient.

The placing piece 27 comprises a hard plate 271, the hard plate 271 is connected with the outer side of the sliding rod 25 in a sliding mode, the hard plate 271 is connected with the outer side of the screw rod 28 in a threaded mode through a threaded hole, a stamping hole 272 is formed in the hard plate 271, a horn hole 273, a straight hole 274 and a square hole 275 are sequentially formed in the hard plate 271 from top to bottom, and the horn hole 273, the straight hole 274, the stamping hole 272 and the square hole 275 are communicated with one another.

The inner wall of the straight hole 274 is attached to the outer side of the blank, the diameter of the square hole 275 is larger than that of the straight hole 274, the bottom end of the square hole 275 is communicated with the top end of the discharge opening 231, and the diameter of the discharge opening 231 is larger than that of the square hole 275. The blank is placed into the horn hole 273 on the right side, the opening of the horn hole 273 is designed, the blank can conveniently slide into the straight hole 274 quickly, the inner wall of the straight hole 274 is attached to the outer side of the blank, the blank falls freely and is tightly attached to the blank, and the limiting plate 270 limits the bottom of the blank to enable the blank to be clamped in the straight hole 274 tightly. Then, the control panel outside the body 11 is operated, the driver 29 is started through the PLC, the driver 29 uses a servo motor to drive the screw rod 28 to rotate, so as to drive the placing member 27 and the blank to move to one side of the punch part 13 synchronously, and the hard plate 271 slides along the outside of the sliding rod 25 (in the sliding process, the first magnetic plate 277 is repelled when contacting the second magnetic block 212, and the limiting plate 270 is always tightly attached to the inner wall of the straight hole 274), until the left part of the blank moves to the outside of the punch part 13 (the blank can be punched three times or more than 3 times later).

The hard plate 271 is internally provided with a sliding hole 276 communicated with the straight hole 274, the inner wall of the sliding hole 276 is respectively connected with a first magnetic plate 277 and a second magnetic plate 278 in a sliding manner, the first magnetic plate 277 and the second magnetic plate 278 are both connected with the inner wall of the sliding hole 276 through a miniature spring 279 arranged on the outer side of the first magnetic plate 277 and the second magnetic plate 278, and the outer sides of the first magnetic plate 277 and the second magnetic plate 278 are both provided with a limit plate 270 tightly attached to the inner wall of the straight hole 274.

The magnetic poles of the first magnetic plate 277 and the second magnetic plate 278 on the sides far away from the straight hole 274 are in an opposite polarity design, the outer side of the connecting block 21 is fixedly connected with the first magnetic block 211 and the second magnetic block 212 through the connecting frame respectively, the outer sides of the first magnetic block 211 and the second magnetic block 212 are in the opposite polarity design, the outer side of the first magnetic plate 277 is magnetically attracted to the outer side of the first magnetic block 211, and the outer side of the second magnetic plate 278 is magnetically attracted to the outer side of the second magnetic block 212. The incomplete blank after the punching is finished is left in the straight hole 274 on the right side, at the moment, the driver 29 drives the screw rod 28 to rotate, the placing piece 27 and the blank are driven to synchronously move towards one side of the driver 29, until the first magnetic plate 277 completely contacts the first magnetic block 211 (the outer side of the first magnetic plate 277 is magnetically attracted to the outer side of the first magnetic block 211, the magnetic force is larger than the elastic force of the micro spring 279), the magnetic plate 277 drives the limiting plate 270 to outwards slide along the inner wall of the sliding hole 276 (the micro spring 279 is elastically deformed), the limiting plate 270 limits and disappears the incomplete blank, the incomplete blank is influenced by self gravity, and falls into the discharge port 231 along the square hole 275 (the diameter of the discharge port 231 is larger than that of the square hole 275) until the incomplete blank is completely separated, and the trouble of manually cleaning the incomplete blank subsequently is omitted. Meanwhile, a new blank is placed into the horn hole 273 on the left side, the blank slides into the straight hole 274 quickly, the limiting plate 270 limits the bottom of the blank, and the operation is repeated to punch the new blank (when the second magnetic plate 278 passes through the first magnetic block 211, like poles repel each other; after the punching is finished, the outer side of the second magnetic plate 278 and the outer side of the second magnetic block 212 attract each other magnetically, and the new incomplete blank is separated automatically).

Referring to fig. 1-7, in the placing part 2 of the present invention, an initial assembly position of the placing part 27 is located at the rightmost side of the frame 23, the placing part 27 includes a hard plate 271, a stamping hole 272 is formed in the hard plate 271, a horn hole 273, a straight hole 274 and a square hole 275 are sequentially formed in the hard plate 271 from top to bottom, the horn hole 273, the straight hole 274 and the square hole 275 are communicated with each other, the length of the straight hole 274 is designed to be adapted to an external blank, the blank is placed in the horn hole 273 at the right side, the opening of the horn hole 273 is designed to facilitate the blank to rapidly slide into the straight hole 274, the inner wall of the straight hole 274 is fitted with the outer side of the blank, the blank freely falls and tightly fits with the blank, and a limiting plate 270 limits the bottom of the blank to clamp the blank in the straight hole 274. Then, a control panel on the outer side of the machine body 11 is operated, a driver 29 is started through a PLC (programmable logic controller), the driver 29 adopts a servo motor, a screw rod 28 is driven to rotate, the placing piece 27 and the blank are driven to synchronously move towards one side of the punch part 13, the hard plate 271 slides along the outer side of the sliding rod 25 (in the sliding process, when the first magnetic plate 277 contacts the second magnetic block 212, the magnetic plate is repelled in the same polarity, the limiting plate 270 is always tightly attached to the inner wall of the straight hole 274), and the left part of the blank moves to the outer side of the punch part 13 (the blank can be punched for three times or more than 3 times in the following process).

Starting the punch part 13, pushing a punch and a push rod 24 to synchronously move to one side of a blank by a hydraulic propeller in the punch part 13, wherein the push rod 24 is preferentially contacted with the rack 23, the push rod 24 comprises a straight rod and a bent rod, the bent rod is in an elastic design, the bent rod is matched with the outer side of the rack 23 through a rubber plate arranged at the outer end of the bent rod, the elastic force of the bent rod is greater than the initial elastic force of a strong spring 26, the bent rod pushes the rack 23, a placing part 27 and the blank to synchronously move to one side of the die 14 until the blank is attached to the die 14, the rack 23 is just attached to the inner wall of a special-shaped groove 22 (the strong spring 26 is in a compressed state), the special-shaped groove 22 limits the rack 23, then the punch and the push rod 24 continuously move, the bent rod in the push rod 24 is elastically deformed under the reverse acting force, and the punch is matched with the die 14 to punch the left part of the blank; after the punching press finishes, drift and push rod 24 reset, frame 23 receives powerful spring 26's elasticity effect, it resets to drive and places a 27 and blank synchronization, horizontal arrangement (the tank bottoms laminating of stamping forming is in the mould 14 outside) between mould 14 and the blank, when the blank breaks away from mould 14, the bottom of the stamping forming is driven to the blank breach frictional force after the punching press and breaks away from mould 14 fast, fall into in material groove 15 (connecting block 21 is provided with two and uses mould 14 as central symmetric distribution, the interval between the adjacent connecting block 21 is far greater than the diameter at punching press back tank bottoms). Compared with the prior art that a blank is held by a worker and moved to the upper part of a die to be punched by a punch, the blank is limited by the placing piece 27, the punch in the punch part 13 is used for punching, the punch is prevented from accidentally injuring the worker, the safety is high, the trouble that the bottom of the can is taken out independently by the worker (the existing die and the blank are vertically arranged) is avoided, the punching efficiency is high, meanwhile, in the punching process, the push rod 24 drives the rack 23, the placing piece 27 and the blank to move towards one side of the die 14 synchronously, the blank is tightly attached to the die 14 (the levelness of the blank is consistent with the levelness of the outer surface of the die), and the trouble that the blank is aligned with the die 14 manually is avoided.

Because a plurality of tank bottoms can be punched by one blank, the blank position needs to be repeatedly moved by a worker, the blank is very thin, when the blank is lifted up and falls down again, the blank is easy to generate elastic deformation, the blank and a die cannot be aligned quickly, the levelness of the blank and the upper surface of the die have height deviation, part of the blank which is not aligned is punched by a punch, and the heights of the flanges of the punched tank bottoms are uneven, so that the subsequent tank bottom installation is influenced. After the left part of the blank is punched for the first time, the punch and the push rod 24 are reset, the rack 23 is under the elastic force of the strong spring 26 to drive the placing piece 27 and the blank to reset synchronously, at the moment, the placing piece 27 and the blank are separated from the die 14 (the formed can bottom is separated conveniently), at the moment, the PLC program controller controls the driver 29 again to drive the screw rod 28 to rotate to drive the placing piece 27 and the blank to move towards one side of the driver 29 synchronously until the gap of the punched blank is separated from one end of the punch part 13 (the complete part of the blank corresponds to the punch on the punch part 13), the hydraulic propeller in the punch part 13 pushes the punch and the push rod 24 to move towards one side of the blank synchronously again, the punch punches the blank for the second time, and the steps are repeated, so that the blank is punched for multiple times until the blank is punched. After each stamping, the punch and the push rod 24 are reset, the rack 23 is under the elastic force of the strong spring 26 to drive the placing piece 27 and the blank to be synchronously reset (the placing piece 27 and the blank are separated from the die 14), the lead screw 28 is driven to rotate to drive the placing piece 27 and the blank to synchronously move, the mutual interference between a blank notch and the die 14 after stamping is avoided, meanwhile, the blank is always tightly attached to the inner wall of the straight hole 274 in the placing piece 27, the elastic deformation of the blank in each moving process is avoided, in the subsequent stamping process, the push rod 24 drives the rack 23, the placing piece 27 and the blank to synchronously move to one side of the die 14, the blank is tightly attached to the die 14 (the levelness of the blank is consistent with the levelness of the outer surface of the die), the blank is quickly aligned with the die 14, the height deviation between the blank and the die is greatly reduced, the height of the stamped tank bottom flange is uniform and convenient for the subsequent tank bottom installation.

The incomplete blank after the punching is finished is left in the straight hole 274 on the right side, at the moment, the driver 29 drives the screw rod 28 to rotate, the placing piece 27 and the blank are driven to synchronously move towards one side of the driver 29, until the first magnetic plate 277 completely contacts the first magnetic block 211 (the outer side of the first magnetic plate 277 is magnetically attracted to the outer side of the first magnetic block 211, the magnetic force is larger than the elastic force of the micro spring 279), the magnetic plate 277 drives the limiting plate 270 to outwards slide along the inner wall of the sliding hole 276 (the micro spring 279 is elastically deformed), the limiting plate 270 limits and disappears the incomplete blank, the incomplete blank is influenced by self gravity, and falls into the discharge port 231 along the square hole 275 (the diameter of the discharge port 231 is larger than that of the square hole 275) until the incomplete blank is completely separated, and the trouble of manually cleaning the incomplete blank subsequently is omitted. Meanwhile, a new blank is placed into the horn hole 273 on the left side, the blank slides into the straight hole 274 quickly, the limiting plate 270 limits the bottom of the blank, and the operation is repeated to punch the new blank (when the second magnetic plate 278 passes through the first magnetic block 211, like poles repel each other; after the punching is finished, the outer side of the second magnetic plate 278 and the outer side of the second magnetic block 212 attract each other magnetically, and the new incomplete blank is separated automatically).

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a high accuracy metal can stamping equipment which characterized in that includes:

the operation device comprises an operation main body (1), wherein the operation main body (1) comprises a machine body (11), a working cavity (12) is formed in the machine body (11), a punch part (13) is arranged in the machine body (11), a punch of the punch part (13) penetrates through the machine body (11) and extends into the working cavity (12), and a die (14) matched with the punch is arranged on the inner wall of the working cavity (12);

the blank placing device comprises a placing part (2), the placing part (2) comprises a connecting block (21), the outer side of the connecting block (21) is fixedly connected with the inner wall of a working cavity (12), the connecting block (21) is slidably connected with a rack (23) through a special-shaped groove (22) formed in the connecting block (21), a push rod (24) attached to the outer side of the rack (23) is arranged on the outer side of the punch part (13), the rack (23) is connected with the inner wall of the working cavity (12) through a strong spring (26) arranged on the outer side of the rack (23), the rack (23) is slidably connected with a placing part (27) through a sliding rod (25) arranged in the rack (23) and used for placing blanks, a lead screw (28) is installed on the inner thread of the placing part (27), the outer side of the lead screw (28) is rotatably connected with the inside of the rack (23) through a bearing, a driver (29) is fixedly connected to the outer end of the lead screw (28), and the outer side of the driver (29) is fixedly connected with the outer side of the rack (23) through a mounting plate;

wherein the placing piece (27) comprises a hard plate (271), the hard plate (271) is internally connected with the outer side of the sliding rod (25) in a sliding manner, the hard plate (271) is internally connected with the outer side of the screw rod (28) in a threaded manner through a threaded hole, a stamping hole (272) is formed in the hard plate (271), the hard plate (271) is sequentially provided with a horn hole (273), a straight hole (274) and a square hole (275) from top to bottom, the horn hole (273), the straight hole (274), the stamping hole (272) and the square hole (275) are communicated with each other, the hard plate (271) is internally provided with a sliding hole (276) communicated with the straight hole (274), the inner wall of the sliding hole (276) is respectively connected with a first magnetic plate (277) and a second magnetic plate (278) in a sliding manner, the outer sides of the first magnetic plate (277) and the second magnetic plate (278) are respectively provided with a magnetic block (270) tightly attached to the inner wall of the straight hole (274), the first magnetic block (277) and the second magnetic block (277) are respectively connected with a magnetic block holder (211) through a magnetic block holder (277), and a magnetic block holder (277) far away from the outer side of the first magnetic block (211), and a magnetic block holder (21) and a magnetic block holder (277) are respectively connected with the outer side of the second magnetic block holder (211), the outer side of the second magnetic force plate (278) is magnetically attracted with the outer side of the second magnetic block (212).

2. A high precision metallic iron box stamping apparatus as claimed in claim 1, wherein: the outer side of the machine body (11) is provided with a control panel, and a material groove (15) communicated with the working cavity (12) is formed in the machine body (11).

3. A high precision metallic iron box stamping apparatus as claimed in claim 1, wherein: push rod (24) are provided with two and use drift part (13) as central symmetry distribution, push rod (24) include straight-bar and curved bar, the curved bar is elastic design, the curved bar is through setting up the rubber slab and frame (23) outside looks adaptation in its outer end.

4. A high precision metallic iron box stamping apparatus as claimed in claim 1, wherein: the discharge gate (231) has been seted up to frame (23) inside for the abandonment blank is discharged, connecting block (21) are provided with two and use mould (14) as central symmetry and distribute, the interval between the adjacent end of connecting block (21) is far greater than the diameter at punching press back metal iron box tank bottoms.

5. A high precision metallic iron box stamping apparatus as claimed in claim 1, wherein: the inner wall of the straight hole (274) is attached to the outer side of the blank, and the bottom end of the square hole (275) is communicated with the top end of the discharge port (231).

6. A high precision metallic iron box stamping apparatus as claimed in claim 1, wherein: the first magnetic plate (277) and the second magnetic plate (278) are connected with the inner wall of the sliding hole (276) through a micro spring (279) arranged on the outer side of the first magnetic plate and the second magnetic plate.