CN111468573A - Small-spacing double-side swing type reset bending structure - Google Patents

Small-spacing double-side swing type reset bending structure Download PDF

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Publication number
CN111468573A
CN111468573A CN202010439479.4A CN202010439479A CN111468573A CN 111468573 A CN111468573 A CN 111468573A CN 202010439479 A CN202010439479 A CN 202010439479A CN 111468573 A CN111468573 A CN 111468573A
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CN
China
Prior art keywords
block
bending
swing
lower die
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010439479.4A
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Chinese (zh)
Inventor
彭俊伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lexus Spring Technology Changzhou Co ltd
Original Assignee
Lexus Spring Technology Changzhou Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lexus Spring Technology Changzhou Co ltd filed Critical Lexus Spring Technology Changzhou Co ltd
Priority to CN202010439479.4A priority Critical patent/CN111468573A/en
Publication of CN111468573A publication Critical patent/CN111468573A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • B21D11/00Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • 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
    • B21D11/00Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/22Auxiliary equipment, e.g. positioning devices
    • 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
    • B21D43/00Feeding, 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
    • B21D43/003Positioning devices
    • 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
    • B21D45/06Stripping-off devices
    • B21D45/08Stripping-off devices interrelated with motion of tool

Abstract

The invention discloses a small-spacing double-side swinging type resetting and bending structure which comprises an upper die base, an upper clamping plate assembly, an upper pressing plate assembly, a lower die base, a lower die plate assembly, a swinging block assembly, a floating block ejector rod and a lower die bending block, wherein the lower die plate assembly is provided with a swinging block assembly hole, the swinging block assembly is arranged in the swinging block assembly hole and is telescopically connected to the lower die base through the floating block ejector rod, the lower die bending block is coaxially sleeved outside the swinging block assembly and is connected to the lower die plate assembly, an extrusion part extends from the upper part of the lower die bending block, the swinging block assembly comprises a swinging block base, a swinging block resetting ejector rod and a bending swinging block, the bending swinging block can be driven to rotate in a swinging block groove through the telescopic swinging block resetting ejector rod, and the small-spacing double-side swinging type resetting and bending structure is suitable for double-side negative-angle bending with small spacing and small space, Easy stripping, high bending precision and good effect.

Description

Small-spacing double-side swing type reset bending structure
Technical Field
The invention relates to the technical field of bending equipment, in particular to a small-spacing double-side swing type reset bending structure.
Background
Bending is a common processing method for the shape of a part, and is generally performed by means of a bending machine and a special die by means of pressurizing or the like, so that the part is subjected to plastic deformation.
For the traditional bending equipment, for the double-side bending with the distance smaller than 30mm, because the space is too small, the arrangement of a common dovetail slide block or an inclined slide block is difficult, if the slide block cannot be arranged, the phenomenon that a product tightly holds a bending block is easily generated, and the stripping is difficult; if the angle of the inner limiting block is not adjusted and bent, the traditional expression is called 'blank shaping', the stable bending space size is difficult to obtain under the condition, and the flatness of a product is easy to damage in the 'blank shaping' process; in addition, the negative angle bending of both sides is difficult to accomplish simultaneously.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the small-spacing double-side swing type reset bending structure is suitable for double-side negative-angle bending with small spacing or small space, easy to strip materials, high in bending precision and good in effect.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a two side swing type of booth apart from bending structure that resets, includes upper die base, punch holder subassembly, top board subassembly, die holder and lower bolster subassembly, the upper die base set up in the die holder top, the punch holder subassembly connect in the upper die base lower plane, the punch holder subassembly connect in the punch holder subassembly lower plane.
In order to facilitate stripping and prevent the phenomenon of 'product tightly clasping and bending block', the small-spacing double-side swing type reset bending structure also comprises a swing block assembly, a floating block ejector rod and a lower die bending and entering block, the lower die plate component is provided with a swing block component hole, the swing block component is arranged in the swing block component hole and is telescopically connected to the lower die base through the floating block ejector rod, the swinging block assembly comprises a swinging block base, a swinging block reset ejector rod and a bending swinging block, one end of the bending swinging block is provided with a circular swinging part, the other end of the bending swinging block is provided with a product attaching part corresponding to the shape of the inner side surface of a product, the upper plane of the swing block base is provided with a swing block groove corresponding to the swing part, the swing part of the bending swing block is arranged in the swing block groove, one end of the swinging block reset ejector rod is connected in the swinging block base, the other end of the swinging block reset ejector rod is abutted against the bending swinging block, and the bending swing block can be driven to rotate in the swing block groove by the telescopic swing block resetting ejector rod.
In order to realize the negative-angle bending of the product and improve the bending precision and the flatness of the product, the lower die bending inlet block is coaxially sleeved outside the swing block assembly and connected to the lower die plate assembly, and the upper part of the lower die bending inlet block extends to form an extrusion part.
In order to realize bilateral bending, preferably, the bending swing block and the swing block reset ejector rod are respectively provided with two parts which are symmetrically arranged on the swing block base, the swing block grooves on the swing block base are provided with two parts which correspond to the bending swing blocks, the upper part of the lower die bending insert block is symmetrically extended with two extrusion parts, the extrusion parts correspond to product attaching parts on the bending swing blocks, more or less bending swing blocks and swing block reset ejector rods can be selected according to actual conditions, and more or less extrusion parts are designed on the lower die bending insert block.
In order to improve equipment flexibility and life, conveniently change or maintain according to the product at any time, the top board subassembly includes and takes off the board, takes off the backing plate on and takes off board briquetting income piece on, on take off the backing plate connect in on take off the board plane, on take off board briquetting income piece detachably nestification on take off under the board plane and with the coaxial setting of pendulum piece subassembly for with treat the product contact of bending, cooperate power device to accomplish the operation of bending.
In order to improve the flatness of a product, ensure the bending quality and simultaneously ensure that the product is not damaged during bending, the hardness of the selected upper stripper pressing inlet block is not too high or too low, and the hardness of the upper stripper pressing inlet block is higher than that of the upper stripper and is slightly lower than that of the product.
In order to improve the bending precision, the lower plane of the upper stripper pressing inlet block is provided with an arc matched with the product appearance, and the upper stripper pressing inlet block can be replaced at any time according to the requirement.
In order to reduce impact and prolong the service life of the equipment, the upper pressure plate assembly is telescopically connected with the upper clamping plate assembly.
In order to optimize the structure of the equipment and prolong the service life of the equipment, the upper clamp plate assembly comprises an upper clamp plate and an upper backing plate, the upper backing plate is connected to the upper plane of the upper clamp plate, the lower template assembly comprises a lower template and a lower backing plate, and the lower backing plate is connected to the lower plane of the lower template.
The invention has the beneficial effects that: according to the small-spacing double-side swing type reset bending structure, the floating swing block assembly is designed, so that the products can be quickly demoulded, reset and placed and taken, the bending efficiency is improved, the lower die bending inlet block with the extrusion part is designed outside the swing block base, the negative-angle bending of the products is realized, the negative-angle bending precision is high, the flatness is good, the bending precision of the products is improved by designing the die matched with the product appearance, the small-spacing double-side swing type reset bending structure is ingenious in design, is suitable for double-side bending occasions with the spacing smaller than 30mm, and is safe to use and convenient to maintain.
Drawings
FIG. 1 is a schematic structural diagram of a small-spacing double-side swing type reset bending structure according to the present invention;
fig. 2 to 5 are schematic exploded views of the small-spacing double-side swing type reset bending structure according to the present invention during operation;
in the figure: 1. an upper die holder; 2. an upper clamp plate assembly; 21. an upper splint; 22. an upper base plate; 3. an upper platen assembly; 31. an upper stripping plate; 32. removing the base plate; 33. pressing the upper stripper plate into a block; 4. a lower die holder; 5. a lower template component; 51. a lower template; 52. a lower base plate; 6. a pendulum block assembly; 61. a swinging block base; 611. a block swinging groove; 62. a swinging block reset ejector rod; 63. bending the swinging block; 631. a swing portion; 632. a product attaching part; 7. a floating block ejector rod; 8. bending the lower die into a block; 81. and (5) extruding part 9 and producing.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention more readily understood by those skilled in the art, and thus will more clearly and distinctly define the scope of the invention. The directional terms used in the present invention, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc., refer to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention.
As shown in fig. 1, the small-spacing double-side swing type resetting and bending structure comprises an upper die holder 1, an upper clamp plate assembly 2, an upper clamp plate assembly 3, a lower die holder 4 and a lower die plate assembly 5, wherein the upper die holder 1 is arranged above the lower die holder 4, the upper clamp plate assembly 2 is connected to the lower plane of the upper die holder 1, the upper clamp plate assembly 3 is telescopically connected to the lower plane of the upper clamp plate assembly 2, the upper clamp plate assembly 2 comprises an upper clamp plate 21 and an upper backing plate 22, the upper backing plate 22 is connected to the upper plane of the upper clamp plate 21, the upper clamp plate assembly 3 comprises an upper stripper plate 31, an upper stripper backing plate 32 and an upper stripper press inlet 33, the upper stripper plate 32 is connected to the upper plane of the upper stripper plate 31, the upper stripper press inlet 33 is nested in the lower plane of the upper stripper plate 31 and is coaxially arranged with the swing block assembly 6, the lower plane of the upper stripper press inlet 33 has an arc shape matched with the product appearance, the hardness of the upper stripper pressing block 33 is higher than that of the upper stripper 31 and slightly lower than that of a product, the lower template assembly 5 comprises a lower template 51 and a lower backing plate 52, and the lower backing plate 52 is connected to the lower plane of the lower template 51.
As shown in fig. 2, the small-spacing double-side swing type resetting and bending structure further comprises a swing block assembly 6, a floating block ejector rod 7 and a lower die bending and inserting block 8, a swing block assembly hole 51 is formed in the lower die assembly 5, the swing block assembly 6 is arranged in the swing block assembly hole 51 and is telescopically connected to the lower die base 4 through the floating block ejector rod 7, the lower die bending and inserting block 8 is coaxially sleeved outside the swing block assembly 6 and is connected to the lower die assembly 5, and two extruding parts 81 are symmetrically extended from the upper part of the lower die bending and inserting block 8.
Pendulum piece subassembly 6 is including pendulum piece base 61, pendulum piece reset ejector pin 62 and the pendulum piece 63 of bending, bend pendulum piece 63 with pendulum piece reset ejector pin 62 has two and symmetry respectively and sets up on the pendulum piece base 61, pendulum piece 63 one end of bending has circular swing portion 631, and the other end has the product laminating portion 632 corresponding with product medial surface shape, pendulum piece base 61 upper flat seted up two with the corresponding pendulum piece groove 611 of swing portion 631, swing portion 631 set up in the pendulum piece groove 611, pendulum piece reset ejector pin 62 one end through the spring telescopically connect in pendulum piece base 61, the other end with pendulum piece 63 of bending supports and leans on, can drive through flexible pendulum piece reset ejector pin 62 pendulum piece 63 of bending is in rotate in the pendulum piece groove 611.
When the small-spacing double-side swing type reset bending structure is used for bending a product, as shown in fig. 2, in an initial state, the swing block reset ejector rod 62 is free under the action of a spring and extends out of the upper plane of the swing block base 61, the bent swing block 63 is jacked up, the two bent swing blocks 63 are V-shaped, under the action of the free floating block fixed rod 7, and the upper plane of the swing block base 61 is higher than two extrusion parts 81 at the upper part of the lower die bending insert 8.
A product 9 to be bent is placed on the bending swinging block 63, the power source is started, the upper die base 1 is driven to drive the upper clamping plate assembly 2 and the upper pressing plate assembly 3 to move downwards towards the product direction until the upper stripper pressing block 33 is contacted with the product, as shown in figure 3, then further pressing down, the two bent swinging blocks 63 are stressed and simultaneously symmetrically turned outwards, the swinging block resetting ejector rods 62 are synchronously stressed and move downwards until the bent swinging blocks 63 are jointed with the upper plane of the swinging block base 61, the two bent swinging blocks 63 are in a straight shape and jointed with the inner part of the product 9, as shown in figure 4, then, the swing block assembly 6 is pressed downwards, the floating block mandril 7 is synchronously stressed downwards until the outer sides of the two side edges of the product 9 are contacted with the two extrusion parts 81 at the upper part of the lower die bending block 8, and is pressed, bent and deformed under the combined action of the pressing part 81 and the upper stripper pressing-in block 33, as shown in fig. 5, thereby completing the negative angle bending of the two side edges of the product 9.
According to the actual conditions, the swing type punch and the swing block assembly can be directly matched for negative angle bending.
After the bending operation is finished, the upper die base 1 is driven to drive the upper clamping plate assembly 2 and the upper clamping plate assembly 3 to move upwards in the direction away from the product, the floating block ejector rod 7 and the swing block reset ejector rod 62 return to a free state due to no longer being stressed, so that the swing block assembly 6 is driven to move upwards to an initial position, the two bending swing blocks 63 turn inwards to the initial position, and the natural stripping of the product 9 after the bending operation is finally finished.
The above embodiments are described in further detail to solve the technical problems, technical solutions and advantages of the present invention, and it should be understood that the above embodiments are only examples of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a two side swing of booth apart from bending structure that resets, includes upper die base (1), punch holder subassembly (2), top board subassembly (3), die holder (4) and lower bolster subassembly (5), upper die base (1) set up in die holder (4) top, punch holder subassembly (2) connect in upper die base (1) lower plane, punch holder subassembly (3) connect in punch holder subassembly (2) lower plane, its characterized in that: the die is characterized by further comprising a swing block assembly (6), a floating block ejector rod (7) and a lower die bending insert block (8), a swing block assembly hole (51) is formed in the lower die plate assembly (5), the swing block assembly (6) is arranged in the swing block assembly hole (51) and is telescopically connected to the lower die base (4) through the floating block ejector rod (7), the lower die bending insert block (8) is coaxially sleeved outside the swing block assembly (6) and is connected to the lower die plate assembly (5), an extrusion part (81) extends from the upper part of the lower die bending insert block (8),
pendulum piece subassembly (6) are including pendulum piece base (61), pendulum piece reset ejector pin (62) and pendulum piece (63) of bending, pendulum piece (63) one end of bending has circular swing portion (631), and the other end has the product laminating portion (632) corresponding with product medial surface shape, pendulum piece base (61) upper plane seted up with corresponding pendulum piece groove (611) of swing portion (631), swing portion (631) set up in pendulum piece groove (611), pendulum piece reset ejector pin (62) one end connect in pendulum piece base (61), the other end with pendulum piece (63) of bending support and lean on, and the flexible pendulum piece of accessible resets ejector pin (62) drive pendulum piece (63) of bending is in rotate in pendulum piece groove (611).
2. The small-spacing double-side swing type reset bending structure according to claim 1, characterized in that: the bending swing block (63) and the swing block reset ejector rod (62) are respectively provided with two swing blocks and symmetrically arranged on the swing block base (61), the swing block groove (611) is provided with two swing blocks and corresponds to the bending swing block (63), two extrusion parts (81) symmetrically extend from the upper part of the lower die bending insert block (8), and the extrusion parts (81) correspond to the product attaching parts (632).
3. The small-spacing double-side swing type reset bending structure according to claim 1, characterized in that: the upper pressure plate assembly (3) comprises an upper stripping plate (31), an upper stripping base plate (32) and an upper stripping plate pressing material inlet block (33), the upper stripping base plate (32) is connected to the upper stripping plate (31) upper plane, the upper stripping plate pressing material inlet block (33) is detachably nested in the upper stripping plate (31) lower plane and the swinging block assembly (6) coaxial arrangement, and the upper stripping plate pressing material inlet block (33) lower plane is provided with an arc matched with the product appearance.
4. The small-spacing double-side swing type reset bending structure according to claim 3, characterized in that: the hardness of the upper stripper pressing block (33) is higher than that of the upper stripper plate (31) and slightly lower than that of a product.
5. The small-spacing double-side swing type reset bending structure according to claim 1, characterized in that: the upper pressure plate assembly (3) is telescopically connected with the upper clamping plate assembly (2).
6. The small-spacing double-side swing type reset bending structure according to claim 1, characterized in that: the upper clamping plate assembly (2) comprises an upper clamping plate (21) and an upper base plate (22), and the upper base plate (22) is connected to the upper plane of the upper clamping plate (21).
7. The small-spacing double-side swing type reset bending structure according to claim 1, characterized in that: the lower die plate assembly (5) comprises a lower die plate (51) and a lower backing plate (52), and the lower backing plate (52) is connected to the lower plane of the lower die plate (51).
CN202010439479.4A 2020-05-22 2020-05-22 Small-spacing double-side swing type reset bending structure Pending CN111468573A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010439479.4A CN111468573A (en) 2020-05-22 2020-05-22 Small-spacing double-side swing type reset bending structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010439479.4A CN111468573A (en) 2020-05-22 2020-05-22 Small-spacing double-side swing type reset bending structure

Publications (1)

Publication Number Publication Date
CN111468573A true CN111468573A (en) 2020-07-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010439479.4A Pending CN111468573A (en) 2020-05-22 2020-05-22 Small-spacing double-side swing type reset bending structure

Country Status (1)

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CN (1) CN111468573A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113118307A (en) * 2021-03-24 2021-07-16 深圳市亿和精密科技集团有限公司 One-step negative angle structure bending forming die

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113118307A (en) * 2021-03-24 2021-07-16 深圳市亿和精密科技集团有限公司 One-step negative angle structure bending forming die

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