CN220479879U

CN220479879U - Trapezoidal arc stamping device

Info

Publication number: CN220479879U
Application number: CN202322051837.6U
Authority: CN
Inventors: 陈炳焕; 陈武; 李晓勇; 饶庆; 陈友生; 郭奔奔; 许鸿裕
Original assignee: Cccc Third Aviation Bureau Sixth Engineering Xiamen Co ltd; CCCC Third Harbor Engineering Co Ltd; CCCC Third Harbor Engineering Co Ltd Xiamen Branch
Current assignee: Cccc Third Aviation Bureau Sixth Engineering Xiamen Co ltd; CCCC Third Harbor Engineering Co Ltd; CCCC Third Harbor Engineering Co Ltd Xiamen Branch
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-02-13
Anticipated expiration: 2033-08-01

Abstract

The utility model relates to a stamping device technical field provides a trapezoidal arc stamping device, and it includes supporting seat, first master model, second master model, public mould and adjusting part, first master model with the second master model all sets up on the supporting seat, first master model with be formed with the punching press groove between the second master model, public mould activity sets up, just is located the punching press groove directly over, public mould is used for punching press panel; the adjusting component is arranged on the supporting seat and is used for adjusting the distance between the first female die and the second female die. The utility model has the advantages of conveniently stamping the plate into different diameters, reduce the effect of mould change number of times.

Description

Trapezoidal arc stamping device

Technical Field

The application relates to the technical field of stamping devices, in particular to a trapezoidal arc plate stamping device.

Background

The arc plate is provided with a bending plate with a certain radius and arc length, and can be spliced to form a cylinder, an elliptic cylinder or other cylinders, and most of the existing arc plates are manufactured by stamping.

Stamping dies are a special process equipment for processing materials (metals or non-metals) into parts (or semi-finished products) in cold stamping processing, and are called cold stamping dies (commonly called cold stamping dies). Stamping is a press working method in which a material is pressed at room temperature by a die mounted on a press to be separated or plastically deformed, thereby obtaining a desired part.

In the prior art, the stamping die mostly comprises an upper die and a lower die, wherein the upper die is arranged above the lower die, and the upper die is movably arranged along the direction close to or far away from the lower die. When the stamping die is operated, the workpiece blank plate is placed on the lower die, the upper die downwards impacts the workpiece blank plate, and the workpiece blank plate deforms, so that stamping forming of the workpiece can be realized.

With respect to the related art, the relative positions of the upper die and the lower die are fixed, and the radian of the produced arc plate is also fixed. The radian of the arc plate is hooked with the diameter of the arc plate, and when the arc plates with different diameters are required to be produced, different stamping dies are required to be replaced for stamping, so that the problem is solved.

Disclosure of Invention

In order to conveniently punch plates into different diameters, the die replacement times are reduced, and the trapezoidal arc plate punching device is provided.

The application provides a trapezoidal arc stamping device adopts following technical scheme:

the trapezoid arc plate stamping device comprises a supporting seat, a first female die, a second female die, a male die and an adjusting component, wherein the first female die and the second female die are arranged on the supporting seat, a stamping groove is formed between the first female die and the second female die, the male die is movably arranged and is positioned right above the stamping groove, and the male die is used for stamping a plate;

the adjusting component is arranged on the supporting seat and is used for adjusting the distance between the first female die and the second female die.

By adopting the technical scheme, during production, the plate is placed on the first female die and the second female die, and then the male die is controlled to descend and the plate is stamped. After the male die is pressed to the designated position, the two ends of the plate are deformed, so that the plate is formed. And then the plate is moved forwards for a certain distance, and the male die continues to repeat the pressing action so as to finish the stamping of the arc plate.

When the arc plates with different diameters are required to be punched, the size data of the first female die and the second female die are designed, and the opening size data of the first female die and the second female die are determined through theoretical lofting calculation and on-site multiple experimental results. And then, adjusting the distance between the first female die and the second female die by using an adjusting assembly, and then stamping the plates placed on the first female die and the second female die by using the male die.

Because the horizontal distance between the first female die and the second female die is changed, the chord length of the plate subjected to male die stamping is also changed, the plate is conveniently stamped into different diameters, the die replacement times are reduced, and the universality of the die is ensured.

Preferably, the adjusting assembly comprises a driving motor and a bidirectional screw rod, the bidirectional screw rod is rotatably connected to the supporting seat, and an output shaft of the driving motor is connected with the bidirectional screw rod; the first female die is arranged on the left-handed thread of the bidirectional screw in a sliding mode, and the second female die is arranged on the right-handed thread of the bidirectional screw in a sliding mode.

By adopting the technical scheme, the bidirectional screw rod is a left-handed screw rod and a right-handed screw rod, and half of the screw threads of the screw rod thread part are left-handed and half of the screw threads are right-handed.

The screw rod rotates in one direction, and the first female die and the second female die on the screw thread are separated or close to each other; when the screw rod rotates in the opposite direction, the first female die and the second female die are close to or separated from each other, so that the distance between the first female die and the second female die is changed.

Preferably, the screw rod further comprises a first thread sleeve and a second thread sleeve, wherein the first thread sleeve is in threaded connection with the left-handed thread of the bidirectional screw rod and abuts against one side, far away from the second female die, of the first female die, and the second thread sleeve is in threaded connection with the right-handed thread of the bidirectional screw rod and abuts against one side, far away from the first female die, of the second female die.

By adopting the technical scheme, the first thread bush is abutted against the first female die, and the second thread bush is abutted against the second female die. When the male die is stamped on the plate, the first female die and the second female die can receive stronger impact force. The first thread bush and the two-way screw rod generate a screwing force which acts on the first female die, the second thread bush and the two-way screw rod generate a screwing force which acts on the second female die, so that the possibility that the first female die and the second female die are offset due to impact force is reduced, and the stability of the first female die and the second female die on the two-way screw rod is improved.

Preferably, two bidirectional screw rods are arranged in parallel, and the two bidirectional screw rods are connected through a transmission assembly.

By adopting the technical scheme, the plate to be stamped has a certain length, so the first female die and the second female die also have corresponding lengths. Two-way lead screws are simultaneously connected to the first female die and the second female die, and the stability of the first female die and the second female die in the process of adjusting the distance is ensured by utilizing the principle of two-point line formation.

When one of the two-way screw rods rotates, the other two-way screw rod can be driven to rotate under the action of the transmission assembly, so that synchronous adjustment is realized.

Preferably, the device further comprises a guide rod, wherein the guide rod is arranged on the supporting seat and parallel to the bidirectional screw rod, and the guide rod is simultaneously penetrated on the first female die and the second female die.

Through adopting above-mentioned technical scheme, when adjusting the distance between first master model and the second master model, the guide bar can play the effect of direction, guarantees the steady that first master model and second master model removed.

Preferably, the transmission assembly comprises a pair of chain wheels and a chain, wherein two chain wheels are respectively connected with two bidirectional screw rods, and the chain is used for connecting the two chain wheels.

Through adopting above-mentioned technical scheme, realize the connection of two-way screw rods through chain drive's mode.

Preferably, scale marks are arranged on the supporting seat and used for measuring the distance between the first female die and the second female die.

By adopting the technical scheme, the scale marks are used for measuring the distance between the first female die and the second female die, so that an operator can adjust the first female die and the second female die to the required positions according to the scale marks.

Preferably, the device further comprises a protective cover, wherein the protective cover is arranged on the scale marks, and the protective cover is made of transparent materials.

Through adopting above-mentioned technical scheme, the safety cover is under the prerequisite that does not influence the observation scale numerical value, can play the effect of protection to the scale mark, avoids the scale mark to be scratched.

In summary, the present application includes at least one of the following beneficial technical effects:

(1) Through setting up adjusting part, when the arc of different diameters is punched out to needs, utilize adjusting part to adjust the distance between first master model and the second master model, then utilize the public mould to carry out the punching press to the panel of placing on first master model and second master model, realize conveniently punching press the panel into different diameters, reduce the mould change number of times.

(2) By arranging the first thread bush and the second thread bush, the screw force generated by the first thread bush and the bidirectional screw rod acts on the first female die, and the screw force generated by the second thread bush and the bidirectional screw rod acts on the second female die, so that the possibility that the first female die and the second female die are offset due to impact force is reduced.

(3) Through setting up the scale mark, operating personnel can be according to the scale mark with first master model and second master model adjustment to the position department that needs.

Drawings

FIG. 1 is a schematic view of a stamping device according to an embodiment of the present application;

FIG. 2 is a schematic view of a stamping device according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a part of a stamping device according to an embodiment of the present application;

fig. 4 is a schematic structural view of a stamping device according to another embodiment of the present application.

Reference numerals: 1. a support base; 2. a first master mold; 3. a second master mold; 4. a male mold; 5. stamping a groove; 6. an adjustment assembly; 61. a driving motor; 62. a two-way screw rod; 7. a transmission assembly; 71. a sprocket; 72. a chain; 8. a first threaded sleeve; 9. a second threaded sleeve; 10. a guide rod; 11. graduation marks.

Detailed Description

The following description of the technical solutions of the present application will be made with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. This application may be embodied in many different forms and is not limited to the embodiments described herein.

In the description of the present application, reference to the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and may be, for example, secured; or can be a detachable connection; or integrated into one piece; or may be a mechanical connection. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

Some embodiments of the present application are described in detail below with reference to the accompanying drawings. Those skilled in the art may combine and combine the features of the different embodiments or examples and the different embodiments or examples presented in this application without conflict.

The embodiment of the application discloses a trapezoidal arc stamping device. Referring to fig. 1, the stamping device includes a support base 1, a first female die 2, a second female die 3, and a male die 4. The support base 1 is used as a carrier, the first female die 2 and the second female die 3 are both arranged on the support base 1, and the first female die 2 and the second female die 3 are used for supporting the plates. The first master mold 2 and the second master mold 3 are horizontally opposed to each other with a punching groove 5 formed therebetween. The male die 4 is positioned in the middle between the first female die 2 and the second female die 3, and the male die 4 vertically moves up and down in a direction approaching or separating from the supporting seat 1 so as to punch the plate.

Referring to fig. 2, prior to pressing, the sheet material is drawn with control lines for pressing. During pressing, the plate is placed on the first female die 2 and the second female die 3, whether the male die 4 of the press machine accurately falls on a pressing line of the plate is firstly observed before pressing, and then the male die 4 is controlled to descend and the plate is pressed. After the male die 4 is pressed to the designated position, the two ends of the plate are deformed, so that the plate is formed. The sheet is then moved forward a distance and the male die 4 then continues to repeat the pressing action to complete the stamping of the arcuate plate.

In the pressing process, when one pressing operation is completed, the pressing plate is lifted to a certain height by the lifting door machine, and then an operator lifts the electric pulley block, and the electric pulley block is forced to cooperate with the counter lifting lug to move the plate to the position of the next pressing line. And repeating the operation after each pressing operation is completed, and finally pressing and forming the plate.

Referring to fig. 3, an adjusting assembly 6 is mounted on the support base 1, and the adjusting assembly 6 is used for adjusting the horizontal distance between the first female die 2 and the second female die 3. Specifically, the adjusting component 6 includes a driving motor 61 and a bidirectional screw rod 62, the bidirectional screw rod 62 is rotatably connected to the supporting seat 1, the driving motor 61 is fixedly installed on the supporting seat 1, and an output shaft of the driving motor 61 is connected to one end of the bidirectional screw rod 62 for driving the bidirectional screw rod 62 to rotate. The bidirectional screw is a left-handed screw, half of the screw threads of the screw thread part are left-handed, and the half of the screw threads are right-handed. The first female die 2 is arranged on the left-handed thread of the bidirectional screw 62 in a sliding manner, and the second female die 3 is arranged on the right-handed thread of the bidirectional screw 62 in a sliding manner.

When the driving motor 61 controls the screw rod to rotate in one direction, the first female die 2 and the second female die 3 on the screw thread are separated or close to each other at two ends; when the screw rod rotates in the opposite direction, the first female die 2 and the second female die 3 are close to or separated from each other, and the distance between the first female die 2 and the second female die 3 is changed.

When the curved plates with different diameters are required to be punched, the size data of the first female die 2 and the second female die 3 are designed, and the opening size data of the first female die 2 and the second female die 3 are determined through theoretical lofting calculation and on-site multiple experimental results. The distance between the first and second female molds 2 and 3 is then adjusted by the adjusting member 6, and then the male mold 4 is used to press the plate placed on the first and second female molds 2 and 3.

Because the horizontal distance between the first female die 2 and the second female die 3 is changed, the chord length of the plate punched by the male die 4 is also changed, so that the plate can be conveniently punched into different diameters, the die replacement times are reduced, and the universality of the die is ensured.

Two bidirectional screw rods 62 are arranged in parallel, and the two bidirectional screw rods 62 are both rotationally connected to the supporting seat 1; the first female die 2 is connected with two bidirectional screw rods 62 at the same time, and the second female die 3 is connected with two bidirectional screw rods 62 at the same time. The two bi-directional screw rods 62 are connected together by a transmission assembly 7, which transmission assembly 7 may be a belt or chain drive, in this embodiment illustrated as a chain drive.

The drive assembly 7 includes a pair of sprockets 71 and a chain 72. The two chain wheels 71 are fixedly connected to one ends of the two bidirectional screw rods 62, and the two chain wheels 71 are positioned on the same side of the supporting seat 1 and are connected together through a chain 72. When the driving motor 61 drives one of the two-way screw rods 62 to rotate, the other two-way screw rod 62 is driven to rotate under the action of the chain 72 and the chain wheel 71, so that synchronous adjustment is realized.

Since the plate material to be punched has a certain length, the first master mold 2 and the second master mold 3 also have lengths corresponding to the plate material. Two-way lead screws 62 are simultaneously connected to the first female die 2 and the second female die 3, and the stability of the first female die 2 and the second female die 3 in the process of adjusting the distance is ensured by utilizing the principle of two-point line formation.

Optionally, in accordance with some embodiments of the present application, please refer to fig. 3. The bidirectional screw rod 62 is also provided with a first thread bush 8 and a second thread bush 9 respectively. The first thread bush 8 is screwed on the left-handed thread of the bidirectional screw 62 and abuts against one side of the first female die 2 far away from the second female die 3, and the second thread bush 9 is screwed on the right-handed thread of the bidirectional screw 62 and abuts against one side of the second female die 3 far away from the first female die 2.

When the male mold 4 is pressed against the plate, the first female mold 2 and the second female mold 3 are subjected to strong impact force. The screw force generated by the first thread bush 8 and the bidirectional screw rod 62 acts on the first female die 2, the screw force generated by the second thread bush 9 and the bidirectional screw rod 62 acts on the second female die 3, so that the possibility that the first female die 2 and the second female die 3 are offset due to impact force is reduced, and the stability of the first female die 2 and the second female die 3 on the bidirectional screw rod 62 is improved.

Optionally, in accordance with some embodiments of the present application, please refer to fig. 3. The support seat 1 is fixedly connected with a guide rod 10, the guide rod 10 is positioned between two bidirectional screw rods 62 and parallel to the bidirectional screw rods 62, and the guide rod 10 simultaneously passes through the first female die 2 and the second female die 3.

When the distance between the first female die 2 and the second female die 3 is adjusted, the guide bar 10 can play a role of guiding, ensuring the smoothness when the first female die 2 and the second female die 3 move.

Optionally, in accordance with some embodiments of the present application, please refer to fig. 4. The surface of the supporting seat 1 is also provided with scale marks 11, the scale marks 11 are positioned at one end of the first female die 2, and the scale marks 11 are used for measuring the distance between the first female die 2 and the second female die 3, so that an operator can adjust the first female die 2 and the second female die 3 to a required position according to the scale marks 11.

In addition, the supporting seat 1 is further provided with a protective cover (not shown in the figure), the protective cover covers the position where the scale mark 11 is located, and the protective cover is made of a transparent material, and the transparent material can be, but is not limited to, transparent plastics such as polymethyl methacrylate (PMMA, commonly known as acryl or organic glass), polycarbonate (PC), polyethylene terephthalate (PET), polypropylene (PP), polyvinyl chloride (PVC), and the like.

The protection cover can play a role in protecting the scale marks 11 on the premise of not affecting the observation scale values, and the scale marks 11 are prevented from being scratched.

The implementation principle of the trapezoidal arc plate stamping device in the embodiment of the application is as follows: before the board is pressed, a control line for pressing needs to be drawn out on the board. At the same time, the distance between the first master model 2 and the second master model 3 is adjusted by the adjusting component 6 according to the diameter parameters of the plate to be pressed.

Before pressing, firstly, whether the male die 4 of the press machine accurately falls on a pressing line of the plate is observed, and then the male die 4 is controlled to descend and the plate is pressed.

After the male die 4 is pressed to the designated position, the two ends of the plate are deformed, so that the plate is formed.

The sheet is then moved forward a distance and the male die 4 then continues to repeat the pressing action to complete the stamping of the arcuate plate.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The trapezoid arc plate stamping device is characterized by comprising a supporting seat (1), a first female die (2), a second female die (3), a male die (4) and an adjusting component (6), wherein the first female die (2) and the second female die (3) are arranged on the supporting seat (1), a stamping groove (5) is formed between the first female die (2) and the second female die (3), and the male die (4) is movably arranged and is positioned right above the stamping groove (5), and the male die (4) is used for stamping plates;

the adjusting component (6) is arranged on the supporting seat (1), and the adjusting component (6) is used for adjusting the distance between the first female die (2) and the second female die (3).

2. The trapezoid arc punching device according to claim 1, characterized in that the adjusting assembly (6) comprises a driving motor (61) and a bidirectional screw rod (62), the bidirectional screw rod (62) is rotatably connected to the supporting seat (1), and an output shaft of the driving motor (61) is connected to the bidirectional screw rod (62); the first female die (2) is arranged on the left-handed thread of the bidirectional screw rod (62) in a sliding mode, and the second female die (3) is arranged on the right-handed thread of the bidirectional screw rod (62) in a sliding mode.

3. The trapezoid arc stamping device according to claim 2, further comprising a first thread bush (8) and a second thread bush (9), wherein the first thread bush (8) is screwed on a left-handed thread of the bidirectional screw (62) and abuts against a side of the first female die (2) away from the second female die (3), and the second thread bush (9) is screwed on a right-handed thread of the bidirectional screw (62) and abuts against a side of the second female die (3) away from the first female die (2).

4. A trapezoidal arc stamping device according to claim 2, characterized in that two bidirectional screw rods (62) are arranged in parallel, and the two bidirectional screw rods (62) are connected through a transmission assembly (7).

5. The trapezoid arc stamping device according to claim 2, further comprising a guide rod (10), wherein the guide rod (10) is arranged on the supporting seat (1) and is parallel to the bidirectional screw rod (62), and the guide rod (10) is simultaneously arranged on the first female die (2) and the second female die (3) in a penetrating manner.

6. The trapezoidal arc stamping device according to claim 4, wherein the transmission assembly (7) comprises a pair of chain wheels (71) and a chain (72), wherein two chain wheels (71) are respectively connected with two bidirectional screw rods (62), and the chain (72) is used for connecting the two chain wheels (71).

7. A trapezoidal arc stamping device according to claim 1, characterized in that the support (1) is provided with graduation marks (11), the graduation marks (11) being used for measuring the distance between the first female die (2) and the second female die (3).

8. The trapezoid arc punching device according to claim 7, further comprising a protective cover, wherein the protective cover is arranged on the scale mark (11), and the protective cover is made of transparent material.