CN117086176B - Mould structure with balancing unit - Google Patents

Mould structure with balancing unit Download PDF

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Publication number
CN117086176B
CN117086176B CN202311356100.3A CN202311356100A CN117086176B CN 117086176 B CN117086176 B CN 117086176B CN 202311356100 A CN202311356100 A CN 202311356100A CN 117086176 B CN117086176 B CN 117086176B
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Prior art keywords
plate
die
rod
fixed
frame
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CN117086176A (en
Inventor
时宝军
张鹏
刘国梁
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Shanxi Maijie Mould Manufacturing Co ltd
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Shanxi Maijie Mould Manufacturing Co ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02Stamping using rigid devices or tools
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/10Die sets; Pillar guides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00Tools as parts of machines covered by this subclass
    • B21D37/18Lubricating, e.g. lubricating tool and workpiece simultaneously
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D45/00Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/02Ejecting devices
    • B21D45/04Ejecting devices interrelated with motion of tool

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Presses And Accessory Devices Thereof (AREA)

Abstract

The invention discloses a die structure with a balancing device, and relates to the technical field of dies. The invention comprises a die frame, wherein a hydraulic telescopic rod is fixed at the top of the die frame, an upper die is fixed at the top of a telescopic end of the hydraulic telescopic rod, a lower die is fixed at the top of a table top of the die frame, the die frame further comprises a balancing device, the balancing device comprises two trapezoidal plates, four cavity boxes and four square grooves, the two trapezoidal plates are respectively fixed at two sides of the upper die, and a through hole matched with the trapezoidal plates is formed at the top of the table top of the die frame. According to the invention, through the arrangement of the balancing device, the upper die and the trapezoid plate are matched to limit the trapezoid plate to the position of the lower die, so that the balancing property of the upper die for stamping operation on the workpiece on the lower die is ensured, and the problem that the workpiece cannot meet the specification requirement due to unbalanced stamping process, so that the rejection rate is increased is avoided.

Description

Mould structure with balancing unit
Technical Field
The invention relates to the technical field of dies, in particular to a die structure with a balancing device.
Background
The stamping die structure is a special technological equipment for processing materials into parts or semi-finished products, and is mainly a pressure processing method for obtaining required parts by applying pressure to the materials by using a die arranged on a press machine to separate or plastically deform the materials.
Patent publication number CN205147047U discloses a stamping die structure, including the lower mould device, be equipped with the buoyancy lift pin subassembly on the lower mould device, the buoyancy lift pin subassembly includes buoyancy lift piece and spring direction subassembly, spring direction subassembly one end with the buoyancy lift piece is connected, spring direction subassembly the other end with the lower mould device is connected, spring direction subassembly is flexible when opening mould or closing the mould, thereby drives buoyancy lift piece floats from top to bottom. According to the stamping die structure, when the die is opened or closed, the floating pin assembly drives the floating block to float up and down through the spring guide assembly, a good floating effect can be achieved, the spring guide assembly cannot be bent in the telescopic process, and the stamping die structure is practical for a die structure with a higher lower die floating in the progressive die.
However, the current mold structure has the following problems: when the die structure is used for processing a workpiece, the die can be unbalanced, the unbalanced stamping process can lead to uneven abrasion of the die, the service life of the die is shortened, the frequency and cost of die replacement can be increased, meanwhile, the unbalanced stamping process can lead to the fact that the workpiece cannot meet the specification requirement, and accordingly the rejection rate is increased, and therefore the die structure with the balancing device is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a die structure with a balancing device, which solves the problem that the die is unbalanced when the die structure is used for processing a workpiece in the prior art, the unbalanced stamping process can lead to uneven abrasion of the die, the service life of the die is shortened, the frequency and the cost of die replacement can be increased, and meanwhile, the workpiece can not meet the specification requirement due to the unbalanced stamping process, so that the rejection rate is increased.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the die structure with the balancing device comprises a die frame, wherein a hydraulic telescopic rod is fixed at the top of the die frame, an upper die is fixed at the top of a telescopic end of the hydraulic telescopic rod, a lower die is fixed at the top of a table top of the die frame, and the die structure further comprises the balancing device, an ejecting device, a lubricating device and a foreign matter preventing device;
the balancing device comprises two trapezoid plates, four cavity boxes and four square grooves, wherein the trapezoid plates are respectively fixed on the left side and the right side of an upper die, through holes matched with the trapezoid plates are formed in the top of a table top of a die frame, the cavity boxes penetrate through the four corners of the top surface of a lower die respectively and are slidably mounted on the four corners of the top surface of the lower die, springs are arranged between the cavity boxes and the table top of the die frame, the square grooves are respectively formed in the four corners of the bottom surface of the upper die, the upper die drives the trapezoid plates to move downwards, when the inclined surfaces of the trapezoid plates are in contact with the edges of the lower die, the trapezoid plates can limit the positions of the lower die, so that the balance of stamping operation of the upper die on the lower die is ensured, the problem that the workpiece cannot meet the specification requirement and the rejection rate is increased is avoided, meanwhile, the square grooves are driven to be attached to the cavity boxes, and the positions of the upper die and the lower die are limited by the square grooves and the cavity boxes, and the stability of the die assembly is improved.
According to the technical scheme, balancing unit still includes even board, push rod, cock plate slidable mounting is in the inside of cavity box, and is equipped with the spring between cock plate and the inner wall bottom of cavity box, the bottom at the cock plate is fixed to the push rod, and the push rod runs through the mesa of the top and the mould frame of cavity box, even the board is fixed in the bottom of push rod, and trapezoidal board promotes even board simultaneously and drives the push rod and move down, and the push rod drives the cock plate and moves down along the inside of cavity box, and cavity box inside produces the negative pressure, and the cavity box adsorbs fixedly to last mould to further increased the stability of stamping process between last mould and the bed die.
According to the technical scheme, pop-up device includes roof, cavity pole, roof slidable mounting is in the inside of bed die, the bottom at the roof is fixed to the cavity pole, and the cavity pole runs through the mesa of mould frame, be equipped with the spring between the inner wall top of cavity pole and mould frame, go up the mould and after the bed die separation, under the spring force effect that the cavity pole corresponds, the cavity pole drives the roof and upwards moves, and the roof is ejecting the bed die with the work piece that punches well to the subsequent work piece that will punch well of workman takes out of being convenient for.
According to the technical scheme, pop out the device still includes shell fragment, L shaped plate, beats pole, springboard, the bottom surface at the cavity pole is fixed to the one end of shell fragment, the other end at the shell fragment is fixed to the L shaped plate, beat the top at the L shaped plate is fixed to the pole, beat the bottom that the pole runs through the cavity pole, and beat the top and the bottom surface contact of roof of pole, the springboard is fixed in the one end outer wall department that the cavity pole was kept away from to the L shaped plate, and the springboard is located the movement track of linking the board, promotes the springboard simultaneously when linking the board to remove and drives the L shaped plate and remove, and the L shaped plate drives and beats the pole and beat the roof, and the roof slightly vibrates to avoided the roof to appear the dead problem of card at the operation in-process.
According to the technical scheme, lubricating arrangement includes return shape shell, four half arc pieces, four stripper plates, four return shape oil cotton pieces, return shape shell is fixed in the bottom of roof, four stripper plates sliding mounting respectively in the four inner walls department of return shape shell, four return shape oil cotton pieces are fixed respectively in four stripper plates and keep away from return shape shell one side outer wall department, four the half arc piece is fixed respectively in stripper plates and is close to return shape shell one side outer wall department, half arc piece runs through the face wall of return shape shell, the mesa top of mould frame has seted up the return shape groove with return shape shell assorted, the return shape groove edge of mould frame is located the motion trail of half arc piece, and the roof passes through return shape shell and drives return shape oil cotton piece and remove, and return shape oil cotton piece is paintd lubricating oil in the inner wall department of bed die, and lubricating oil can reduce the friction between bed die inner wall and the work piece or the last mould, helps reducing the stress of material, prevents the wearing and tearing of mould and work piece to improve the efficiency of punching press.
According to the technical scheme, lubricating arrangement still includes articulated rod, brush board, the one end of articulated rod articulates the inner wall department at the shape shell that returns, and articulated rod passes the shape oil cotton piece that returns, the brush board articulates the other end at the articulated rod, and brush board and the inner wall contact of bed die, simultaneously when the shape shell that returns drives half arc piece and remove the mould frame's the groove department that returns, the groove edge of returning of mould frame promotes half arc piece and drives the stripper plate and extrude the shape oil cotton piece that returns to make the inner wall of bed die effectively scribble lubricating oil, the stripper plate promotes the articulated rod simultaneously and drives the brush board and brush the lubricating oil of scribbling on the bed die inner wall, thereby make lubricating oil can evenly scribble the inner wall department at the bed die.
According to the technical scheme, prevent foreign matter device includes T shape frame, two smooth boxes, two oblique scrapers, connecting rod, the outer wall department at the trapezoidal board is fixed to T shape frame, two the equal slidable mounting of smooth box is in the bottom of T shape frame, two the one side that is close to each other at two smooth boxes is fixed respectively to oblique scraper blade, the bottom at smooth box is connected to the one end of connecting rod, the other end of connecting rod articulates the inner wall department at the mould frame, goes up mould promotion smooth box and moves down, and the connecting rod promotes smooth box and moves oblique scraper blade and scrape down last mould bottom surface adhesion's impurity this moment to avoided impurity adhesion to last mould bottom surface, lead to the problem that the part appears defect in the punching press in-process.
According to the technical scheme, prevent foreign matter device still includes runner, cleaning brush pole, the cleaning brush pole rotates the inside of installing at the smooth box, the runner rotates the one end outer wall of installing at the smooth box, the outer wall of runner and the bottom surface contact of last mould, and the smooth box moves the runner simultaneously, goes up the mould bottom surface and contradicts the runner and rotate, and the runner drives cleaning brush pole and rotates, and the brush of cleaning brush pole carries out further cleanness to the impurity of adhesion at last mould bottom surface to the clear efficiency of mould bottom surface has been improved.
The invention provides a die structure with a balancing device. The beneficial effects are as follows:
(1) According to the invention, through the arrangement of the balancing device, the upper die and the trapezoid plate are matched to limit the trapezoid plate to the position of the lower die, so that the balancing property of the upper die for stamping operation on the workpiece on the lower die is ensured, and the problem that the workpiece cannot meet the specification requirement due to unbalanced stamping process, so that the rejection rate is increased is avoided; meanwhile, the upper die drives the square groove to be attached to the cavity box, and the positions of the upper die and the lower die are limited through the square groove and the cavity box, so that the stability of the upper die and the lower die during die assembly is improved; simultaneously trapezoidal plate, link board, push rod, cock plate and cavity box cooperation make the inside negative pressure that produces of cavity box, and the cavity box adsorbs fixedly to last mould to further increased the stability of punching press process between last mould and the lower mould.
(2) According to the invention, through the arrangement of the ejecting device, after the upper die and the lower die are separated, under the action of the spring force corresponding to the hollow rod, the hollow rod drives the top plate to move upwards, and the top plate ejects the punched workpiece out of the lower die, so that a worker can take out the punched workpiece conveniently; simultaneously, the connecting plate, the spring plate, the L-shaped plate, the top plate and the spring plate cooperate to drive the knocking rod to knock the top plate, and the top plate slightly vibrates, so that the problem that the top plate is blocked in the operation process is avoided.
(3) According to the invention, through the arrangement of the lubricating device, the top plate and the back-shaped shell are matched to drive the back-shaped oil cotton block to smear lubricating oil on the inner wall of the lower die, the lubricating oil can reduce friction between the inner wall of the lower die and a workpiece or an upper die, the stress of materials is reduced, the energy consumption is reduced, the abrasion of the die and the workpiece is prevented, and the efficiency of the stamping process is improved; simultaneously, the back-shaped shell, the half-arc block and the back-shaped groove of the die frame are matched to push the extrusion plate to extrude the back-shaped oil cotton block, so that the inner wall of the lower die can be effectively coated with lubricating oil, and meanwhile, the extrusion plate pushes the hinging rod to drive the brush plate to brush the lubricating oil coated on the inner wall of the lower die, so that the lubricating oil can be uniformly coated on the inner wall of the lower die.
(4) According to the invention, through the arrangement of the foreign matter prevention device, the upper die, the sliding box and the connecting rod are matched to drive the inclined scraping plate to scrape off impurities adhered to the bottom surface of the upper die, so that the problem that the impurities adhere to the bottom surface of the upper die and cause defects of parts in the stamping process is avoided; simultaneously, the sliding belt moves the rotating wheel, the bottom surface of the upper die abuts against the rotating wheel to rotate, the rotating wheel drives the cleaning brush rod to rotate, and the brush of the cleaning brush rod further cleans impurities adhered to the bottom surface of the upper die, so that the efficiency of cleaning the bottom surface of the upper die is improved.
Drawings
FIG. 1 is a schematic diagram of the overall invention;
FIG. 2 is a schematic view in partial cross-section of the entirety of the present invention;
FIG. 3 is a schematic partial cross-sectional view of a balancing apparatus of the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present invention;
FIG. 5 is a schematic view of a part of the balance device of the present invention;
FIG. 6 is a schematic view of an ejector of the present invention;
FIG. 7 is an enlarged schematic view of the structure at B of FIG. 6 in accordance with the present invention;
FIG. 8 is a schematic view of a lubrication apparatus of the present invention;
FIG. 9 is an enlarged schematic view of the structure of FIG. 8C in accordance with the present invention;
FIG. 10 is a schematic view of a foreign matter prevention apparatus according to the present invention;
fig. 11 is an enlarged schematic view of the structure at D of fig. 10 according to the present invention.
In the figure: 1. a mold frame; 11. a hydraulic telescopic rod; 12. an upper die; 13. a lower die; 2. a balancing device; 21. a trapezoidal plate; 22. a cavity box; 23. a connecting plate; 24. a push rod; 25. a plug plate; 26. a square groove; 3. an ejecting device; 31. a top plate; 32. a hollow rod; 33. a spring plate; 34. an L-shaped plate; 35. knocking the rod; 36. a spring plate; 4. a lubrication device; 41. a loop-shaped shell; 42. a half arc block; 43. an extrusion plate; 44. a loop-shaped oil cotton block; 45. a hinge rod; 46. brushing a plate; 5. a foreign matter prevention device; 51. a T-shaped frame; 52. a slide box; 53. an inclined scraper; 54. a connecting rod; 55. a rotating wheel; 56. cleaning the brush rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-7, one embodiment of the present invention is: the die structure with the balancing device comprises a die frame 1, wherein a hydraulic telescopic rod 11 is fixed at the top of the die frame 1, an upper die 12 is fixed at the top of a telescopic end of the hydraulic telescopic rod 11, a lower die 13 is fixed at the top of a table top of the die frame 1, and the die structure also comprises a balancing device 2 and an ejecting device 3;
the balancing device 2 comprises two trapezoid plates 21, four cavity boxes 22 and four square grooves 26, the two trapezoid plates 21 are respectively fixed on the left side and the right side of the upper die 12, openings matched with the trapezoid plates 21 are formed in the top of the table top of the die frame 1, meanwhile, the upper die 12 drives the trapezoid plates 21 to move downwards, when the inclined surfaces of the trapezoid plates 21 are in contact with the edges of the lower die 13, the trapezoid plates 21 limit the positions of the lower die 13, so that the balance of the upper die 12 on the stamping operation of the lower die 13 is ensured, the problem that the workpiece cannot meet the specification requirement in the unbalanced stamping process and the rejection rate is solved, the four cavity boxes 22 penetrate through and are slidably mounted at four corners of the top surface of the lower die 13, springs are arranged between the cavity boxes 22 and the table top of the die frame 1, the four square grooves 26 are respectively formed in four corners of the bottom surface of the upper die 12, meanwhile, the square grooves 26 are driven by the upper die 12 to be attached to the cavity boxes 22, and the positions of the upper die 12 and the lower die 13 are limited by the square grooves 26 and the cavity boxes 22, and the stability of the upper die 12 and the lower die 13 is improved.
The balancing device 2 further comprises a connecting plate 23, a push rod 24 and a plug plate 25, wherein the plug plate 25 is slidably arranged in the cavity box 22, a spring is arranged between the plug plate 25 and the bottom of the inner wall of the cavity box 22, the push rod 24 is fixed at the bottom of the plug plate 25, the push rod 24 penetrates through the top of the cavity box 22 and the table top of the die frame 1, the connecting plate 23 is fixed at the bottom of the push rod 24, meanwhile, when the trapezoid plate 21 moves downwards, the connecting plate 23 is pushed to drive the push rod 24 to move downwards, the push rod 24 drives the plug plate 25 to move downwards along the inside of the cavity box 22, negative pressure is generated in the cavity box 22, and the cavity box 22 adsorbs and fixes the upper die 12, so that the stability of the stamping process between the upper die 12 and the lower die 13 is further improved.
The ejecting device 3 comprises a top plate 31 and a hollow rod 32, wherein the top plate 31 is slidably mounted in the lower die 13, the hollow rod 32 is fixed at the bottom of the top plate 31, the hollow rod 32 penetrates through the table top of the die frame 1, a spring is arranged between the hollow rod 32 and the top of the inner wall of the die frame 1, after the upper die 12 is separated from the lower die 13, the hollow rod 32 drives the top plate 31 to move upwards under the action of the spring force corresponding to the hollow rod 32, and the top plate 31 ejects a punched workpiece out of the lower die 13, so that a worker can take out the punched workpiece conveniently.
The ejecting device 3 further comprises a spring plate 33, an L-shaped plate 34, a knocking rod 35 and a spring plate 36, one end of the spring plate 33 is fixed on the bottom surface of the hollow rod 32, the L-shaped plate 34 is fixed on the other end of the spring plate 33, the knocking rod 35 is fixed on the top of the L-shaped plate 34, the knocking rod 35 penetrates through the bottom of the hollow rod 32, the top of the knocking rod 35 is contacted with the bottom surface of the top plate 31, the spring plate 36 is fixed on the outer wall of the end, far away from the hollow rod 32, of the L-shaped plate 34, and the spring plate 36 is located on the movement track of the connecting plate 23, meanwhile, when the connecting plate 23 moves downwards, the connecting plate 23 pushes the spring plate 36 to drive the L-shaped plate 34 to move, the L-shaped plate 34 drives the knocking rod 35 to knock the top plate 31, and the top plate 31 slightly vibrates, so that the problem that the top plate 31 is blocked in the operation process is avoided.
When the die is used, a workpiece is placed on the lower die 13, the hydraulic telescopic rod 11 is started, the telescopic end of the hydraulic telescopic rod 11 drives the upper die 12 to move downwards, the upper die 12 leans against the lower die 13, the upper die 12 performs stamping operation on the workpiece on the lower die 13, meanwhile, in the downward moving process of the upper die 12, the upper die 12 drives the trapezoid plate 21 to move downwards, when the inclined plane of the trapezoid plate 21 contacts with the edge of the lower die 13, the trapezoid plate 21 can limit the position of the lower die 13, so that the balance of the stamping operation on the workpiece on the lower die 13 by the upper die 12 is ensured, and the problem that the workpiece cannot meet the specification requirement in the unbalanced stamping process, so that the rejection rate is increased is avoided; meanwhile, the upper die 12 drives the square groove 26 to be attached to the cavity box 22, and the positions of the upper die 12 and the lower die 13 are limited through the square groove 26 and the cavity box 22, so that the stability of the upper die 12 and the lower die 13 during die assembly is improved; meanwhile, when the trapezoid plate 21 moves downwards, the connecting plate 23 is pushed to drive the push rod 24 to move downwards, the push rod 24 drives the plug plate 25 to move downwards along the inside of the cavity box 22, negative pressure is generated inside the cavity box 22, and the cavity box 22 adsorbs and fixes the upper die 12, so that the stability of the stamping process between the upper die 12 and the lower die 13 is further improved.
After the upper die 12 performs stamping operation on the workpiece on the lower die 13, the hydraulic telescopic rod 11 is started, the telescopic end of the hydraulic telescopic rod 11 drives the upper die 12 to move upwards, the upper die 12 is separated from the lower die 13, the hollow rod 32 drives the top plate 31 to move upwards under the action of the spring force corresponding to the hollow rod 32, and the top plate 31 ejects the stamped workpiece out of the lower die 13, so that a worker can take out the stamped workpiece conveniently; meanwhile, when the connecting plate 23 moves downwards, the connecting plate 23 pushes the spring plate 36 to drive the L-shaped plate 34 to move downwards, the L-shaped plate 34 drives the knocking rod 35 to move downwards, the knocking rod 35 is far away from the top plate 31, after the L-shaped plate 34 stretches the elastic plate 33 to the limit, the connecting plate 23 can cross the spring plate 36, the connecting plate 23 does not conflict with the spring plate 36 any more, the spring plate 36 does not push the L-shaped plate 34 to stretch the elastic plate 33 any more, under the action of the spring force corresponding to the elastic plate 33, the elastic plate 33 drives the L-shaped plate 34 to reset, the L-shaped plate 34 drives the knocking rod 35 to knock the top plate 31, and the top plate 31 slightly vibrates, so that the problem that the top plate 31 is blocked in the operation process is avoided.
Referring to fig. 1-11, in another embodiment of the present invention, further includes a lubrication device 4 and a foreign matter prevention device 5;
the lubrication device 4 comprises a return shell 41, four half-arc blocks 42, four extrusion plates 43 and four return oil cotton blocks 44, the return shell 41 is fixed at the bottom of the top plate 31, the top plate 31 drives the return shell 41 to synchronously move, the four extrusion plates 43 are respectively and slidably mounted at the inner walls of four sides of the return shell 41, the four return oil cotton blocks 44 are respectively fixed at the outer walls of one sides of the four extrusion plates 43 far away from the return shell 41, the return shell 41 drives the return oil cotton blocks 44 to move, the return oil cotton blocks 44 smear lubricating oil at the inner wall of the lower die 13, the lubricating oil can reduce friction between the inner wall of the lower die 13 and a workpiece or an upper die 12, the stress of materials can be reduced, the energy consumption is reduced, the abrasion of the die and the workpiece is prevented, the efficiency of the stamping process is improved, the four half-arc blocks 42 are respectively fixed at the outer walls of one side of the extrusion plates 43 close to the return shell 41, the top of the die frame 1 is provided with a return groove matched with the return shell 41, the edge of the die frame 1 drives the return oil cotton blocks 44 to move to the inner wall of the return shell 41, and the return arc frame 1 can push the edge of the return oil blocks 42 to the die 13 to move to the return arc frame 42 when the die 1 moves to the return arc blocks 42.
The lubrication device 4 further comprises a hinge rod 45 and a brush plate 46, one end of the hinge rod 45 is hinged to the inner wall of the square shell 41, the hinge rod 45 penetrates through the square oil cotton block 44, the brush plate 46 is hinged to the other end of the hinge rod 45, the brush plate 46 is in contact with the inner wall of the lower die 13, and meanwhile the extrusion plate 43 pushes the hinge rod 45 to drive the brush plate 46 to brush lubricating oil coated on the inner wall of the lower die 13, so that the lubricating oil can be uniformly coated on the inner wall of the lower die 13.
The foreign matter prevention device 5 comprises a T-shaped frame 51, two slide boxes 52, two inclined scraping plates 53 and a connecting rod 54, wherein the T-shaped frame 51 is fixed at the outer wall of the trapezoid plate 21, the two slide boxes 52 are slidably arranged at the bottom of the T-shaped frame 51, the upper die 12 pushes the slide boxes 52 to move downwards, the two inclined scraping plates 53 are respectively fixed at one sides of the two slide boxes 52, which are close to each other, one end of the connecting rod 54 is connected at the bottom of the slide boxes 52, the other end of the connecting rod 54 is hinged at the inner wall of the die frame 1, the connecting rod 54 pushes the slide boxes 52 to drive the inclined scraping plates 53 to scrape impurities adhered to the bottom surface of the upper die 12, and therefore the problem that the impurities adhere to the bottom surface of the upper die 12 and cause defects of parts in the stamping process is avoided.
The foreign matter prevention device 5 further comprises a rotating wheel 55 and a cleaning brush rod 56, the cleaning brush rod 56 is rotatably arranged in the sliding box 52, the rotating wheel 55 is rotatably arranged on the outer wall of one end of the sliding box 52, meanwhile, the sliding box 52 drives the rotating wheel 55 to move, the outer wall of the rotating wheel 55 is in contact with the bottom surface of the upper die 12, the bottom surface of the upper die 12 is abutted against the rotating wheel 55 to rotate, the rotating wheel 55 drives the cleaning brush rod 56 to rotate, and a brush of the cleaning brush rod 56 further cleans impurities adhered to the bottom surface of the upper die 12, so that the cleaning efficiency of the bottom surface of the upper die 12 is improved.
When the stamping device is used, when the top plate 31 moves, the top plate 31 drives the square shell 41 to synchronously move, the square shell 41 drives the square oil cotton block 44 to move, the square oil cotton block 44 smears lubricating oil on the inner wall of the lower die 13, the lubricating oil can reduce friction between the inner wall of the lower die 13 and a workpiece or the upper die 12, the stress of materials is reduced, the energy consumption is reduced, the abrasion of the die and the workpiece is prevented, and the efficiency of the stamping process is improved; meanwhile, when the half arc block 42 is driven by the square shell 41 to move to the square groove of the die frame 1, the half arc block 42 is pushed by the square groove edge of the die frame 1, the square arc block 42 pushes the extrusion plate 43 to extrude the square oil cotton block 44, so that the inner wall of the lower die 13 can be effectively coated with lubricating oil, and meanwhile, the extrusion plate 43 pushes the hinging rod 45 to drive the brush plate 46 to brush the lubricating oil coated on the inner wall of the lower die 13, so that the lubricating oil can be uniformly coated on the inner wall of the lower die 13.
Each time the telescopic end of the hydraulic telescopic rod 11 drives the upper die 12 to move downwards, the upper die 12 pushes the sliding box 52 to move downwards, at the moment, the connecting rod 54 pushes the sliding box 52 to drive the inclined scraping plates 53 to move towards the two sides of the upper die 12 along the bottom surface of the T-shaped frame 51, and the sliding box 52 drives the inclined scraping plates 53 to scrape off impurities adhered to the bottom surface of the upper die 12, so that the problem that the impurities adhere to the bottom surface of the upper die 12 and cause defects in the part stamping process is avoided; simultaneously, the sliding box 52 drives the rotating wheel 55 to move, the bottom surface of the upper die 12 abuts against the rotating wheel 55 to rotate, the rotating wheel 55 drives the cleaning brush rod 56 to rotate, and the brush of the cleaning brush rod 56 further cleans impurities adhered to the bottom surface of the upper die 12, so that the efficiency of cleaning the bottom surface of the upper die 12 is improved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims (1)

1. The utility model provides a mould structure with balancing unit, includes mould frame (1), the top of mould frame (1) is fixed with hydraulic telescoping rod (11), the flexible end top of hydraulic telescoping rod (11) is fixed with mould (12), the mesa top of mould frame (1) is fixed with bed die (13), its characterized in that: the device also comprises a balancing device (2), an ejecting device (3), a lubricating device (4) and a foreign matter preventing device (5);
the balancing device (2) comprises two trapezoid plates (21), four cavity boxes (22) and four square grooves (26), wherein the trapezoid plates (21) are respectively fixed on the left side and the right side of an upper die (12), through holes matched with the trapezoid plates (21) are formed in the top of a table top of the die frame (1), the four cavity boxes (22) respectively penetrate through and are slidably mounted at four corners of the top surface of a lower die (13), springs are arranged between the cavity boxes (22) and the table top of the die frame (1), and the four square grooves (26) are respectively formed in four corners of the bottom surface of the upper die (12);
the ejecting device (3) comprises a top plate (31) and a hollow rod (32), wherein the top plate (31) is slidably arranged in the lower die (13), the hollow rod (32) is fixed at the bottom of the top plate (31), the hollow rod (32) penetrates through the table top of the die frame (1), and a spring is arranged between the hollow rod (32) and the top of the inner wall of the die frame (1);
the ejecting device (3) further comprises an elastic sheet (33), an L-shaped plate (34), a knocking rod (35) and an elastic plate (36), one end of the elastic sheet (33) is fixed on the bottom surface of the hollow rod (32), the L-shaped plate (34) is fixed on the other end of the elastic sheet (33), the knocking rod (35) is fixed on the top of the L-shaped plate (34), the knocking rod (35) penetrates through the bottom of the hollow rod (32), the top of the knocking rod (35) is in contact with the bottom surface of the top plate (31), the elastic plate (36) is fixed on the outer wall of one end, far away from the hollow rod (32), of the L-shaped plate (34), and the elastic plate (36) is located on the movement track of the connecting plate (23);
the lubricating device (4) comprises a square shell (41), four half-arc blocks (42), four extrusion plates (43) and four square oil cotton blocks (44), wherein the square shell (41) is fixed at the bottom of a top plate (31), the four extrusion plates (43) are respectively and slidably arranged at the inner walls of four sides of the square shell (41), the four square oil cotton blocks (44) are respectively fixed at the outer walls of one side, far away from the square shell (41), of the four extrusion plates (43), the four half-arc blocks (42) are respectively fixed at the outer walls of one side, close to the square shell (41), of the extrusion plates (43), the half-arc blocks (42) penetrate through the surface wall of the square shell (41), square grooves matched with the square shell (41) are formed in the top of a table top of the mold frame (1), and the edges of the square grooves of the mold frame (1) are located on the movement tracks of the half-arc blocks (42);
the lubricating device (4) further comprises a hinging rod (45) and a brush plate (46), one end of the hinging rod (45) is hinged to the inner wall of the square shell (41), the hinging rod (45) penetrates through the square oil cotton block (44), the brush plate (46) is hinged to the other end of the hinging rod (45), and the brush plate (46) is in contact with the inner wall of the lower die (13);
the foreign matter prevention device (5) comprises a T-shaped frame (51), two sliding boxes (52), two inclined scraping plates (53) and a connecting rod (54), wherein the T-shaped frame (51) is fixed on the outer wall of a trapezoid plate (21), the two sliding boxes (52) are slidably arranged at the bottom of the T-shaped frame (51), the two inclined scraping plates (53) are respectively fixed on one sides, close to each other, of the two sliding boxes (52), one end of the connecting rod (54) is connected to the bottom of the sliding box (52), and the other end of the connecting rod (54) is hinged to the inner wall of the die frame (1);
the foreign matter prevention device (5) further comprises a rotating wheel (55) and a cleaning brush rod (56), the cleaning brush rod (56) is rotatably arranged in the sliding box (52), the rotating wheel (55) is rotatably arranged on the outer wall of one end of the sliding box (52), and the outer wall of the rotating wheel (55) is in contact with the bottom surface of the upper die (12);
when the top plate (31) moves, the top plate (31) drives the square shell (41) to synchronously move, the square shell (41) drives the square oil cotton block (44) to move, and the square oil cotton block (44) smears lubricating oil on the inner wall of the lower die (13);
the telescopic end of the hydraulic telescopic rod (11) drives the upper die (12) to move downwards, the upper die (12) pushes the sliding box (52) to move downwards, at the moment, the connecting rod (54) pushes the sliding box (52) to drive the inclined scraping plate (53) to move towards the two sides of the upper die (12) along the bottom surface of the T-shaped frame (51), and the sliding box (52) drives the inclined scraping plate (53) to scrape impurities adhered to the bottom surface of the upper die (12);
the balancing device (2) further comprises a connecting plate (23), a push rod (24) and a plug plate (25), wherein the plug plate (25) is slidably mounted in the cavity box (22), a spring is arranged between the plug plate (25) and the bottom of the inner wall of the cavity box (22), the push rod (24) is fixed at the bottom of the plug plate (25), the push rod (24) penetrates through the top of the cavity box (22) and the table top of the die frame (1), and the connecting plate (23) is fixed at the bottom of the push rod (24).
CN202311356100.3A 2023-10-19 2023-10-19 Mould structure with balancing unit Active CN117086176B (en)

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