Integrated stamping die for door inner frame

Abstract

The utility model discloses a door inner frame integrated stamping die which comprises a lower die and an upper die, the lower die is provided with a forming groove in a concave mode, the forming groove is provided with an inner cavity, the inner cavity is rectangular, the corner end of the inner cavity is provided with a first arc-shaped angle, the upper wall of the lower die is a bearing face, a second arc-shaped angle is arranged between the upper end of the forming groove and the bearing face, and the lower wall of the lower die is provided with a second arc-shaped angle. The upper die comprises an upper plate, movable plates installed on the bottom wall of the upper plate in a sliding mode and a pressing die arranged between the movable plates, the pressing die comprises a forming part and an upper base horizontally extending from the upper wall of the forming part, and a third arc-shaped angle matched with the first arc-shaped angle is arranged at the corner end of the forming part; a fourth arc-shaped angle matched with the second arc-shaped angle is arranged between the lower wall of the upper seat and the upper end of the forming part; the peripheral wall of the forming part is a vertical surface; when the mold is closed, the lower wall of the forming part abuts against the plate face till the movable plate abuts against the upper plate, and the forming part exerts pressure on the plate face till the plate face stretches into the forming groove.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of processing mould, in particular to a door inner frame integrated stamping die. BACKGROUND

[0002] In the existing equipment door body, in order to facilitate the operation and use of equipment, generally, inner frame is arranged in the door body to facilitate the installation and use of touch screen or display screen.

[0003] But the existing door body directly processes the inner frame of the flanging, and the inner frame is generally bent at right angle, so the outer peripheral wall of the screen is also generally right angle, thereby facilitating installation and fixation.

[0004] But the existing customer demand is non-right angle, and the corner end of the inner frame is arc shape, so the gap between the inner frame and the screen is required to be high in actual processing.

[0005] In processing, the first R angle is formed between the flanging and the main body, and at the same time, the second R angle is formed between the adjacent flangings.

[0006] The conventional sheet metal processing method is to weld after bending, but the size of the arc angle cannot be guaranteed due to the error of welding temperature and bending angle in processing, the flatness of the flanging is inconsistent, and the position is too small after welding, which is not easy to polish, and the appearance has high rejection rate. INVENTION CONTENTS

[0007] The utility model discloses a main purpose is to propose a door inner frame integrated stamping die, aims at designing inner frame forming die, realizes the integrated stamping forming of arc angle and inner frame, corrects the door body shape after the development of material arc angle compensation value, and the tolerance of the flanging around is flush after the stamping, reaches the customer requirement, and appearance meets the requirement without polishing.

[0008] To achieve the above object, the utility model provides a door inner frame integrated stamping die, comprising:

[0009] Lower mould, the lower mould is concave and is provided with a forming groove, the forming groove is provided with an inner cavity, the inner cavity is rectangular, the corner end of the inner cavity is provided with a first arc angle, the upper wall of the lower mould is a supporting surface, the upper end of the forming groove and the supporting surface are a second arc angle;

[0010] Upper mould, the upper mould includes an upper plate, a movable plate slidingly installed on the bottom wall of the upper plate and a pressing die arranged between the movable plates, the pressing die includes a forming part and an upper seat horizontally extending from the upper wall of the forming part, the corner end of the forming part is provided with a third arc angle matched with the first arc angle,

[0011] The lower wall of the upper seat and the upper end of the forming part are provided with a fourth arc angle matched with the second arc angle;

[0012] The outer peripheral wall of the forming part is a vertical surface for forming a bent edge, and the forming part can move between a position extending into the forming groove and a position away from the forming groove;

[0013] When the mold is closed, the lower wall of the forming part abuts against the plate surface, and the forming part applies pressure to the plate surface until it extends into the forming groove when the movable plate abuts against the upper plate.

[0014] In actual processing, the door plate is first processed with a door hole and a reserved bent edge position (i.e., a plate surface), the door plate is placed on the supporting surface, then the lower wall of the forming part abuts against the plate surface, thereby realizing positioning of the plate surface, when the upper wall of the movable plate abuts against the lower wall of the upper plate, the hydraulic machine of the upper plate continuously applies pressure until the plate surface is punched and bent until the bent edge is formed, when the forming part and the forming groove are closed, the first arc-shaped corner and the second arc-shaped corner cooperate to form a first R corner (wherein the plate surface is processed, and the corner end thereof is also an inner chamfer, thereby realizing no deformation after processing);

[0015] When the second arc-shaped corner and the fourth arc-shaped corner are closed, a second R corner is formed, which is simple and stable in structure,

[0016] The design point is that the inner chamfer of the plate surface and the arrangement of the movable plate can realize accurate punching, thereby reducing the problem of post-processing, and the plate surface can be kept at a predetermined pressure for a predetermined time after processing, thereby reducing deformation. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is an exploded view of the utility model;

[0018] Figure 2 is a sectional view of the utility model Figure One ;

[0019] Figure 3 is a sectional view of the utility model Figure Two ;

[0020] Figure 4 is a schematic view of the compression mold and the forming groove in cooperation;

[0021] Figure 5 is a product schematic Figure One ;

[0022] Figure 6 is a product schematic Figure Two .

[0023] In the drawings,

[0024] 100 is an inner frame, 100a is a bent edge, 101 is a first R corner, 102 is a second R corner,

[0025] 1 is a lower mold, and 10 is a forming groove,

[0026] 2 is the upper mold, 20 is the upper plate, 21 is the movable plate, 22 is the pressure mold, 22a is the upper seat, and 22b is the forming part.

[0027] 31 is the first arc angle, 32 is the second arc angle, 33 is the third arc angle, 34 is the fourth arc angle, and 35 is the vertical plane.

[0028] 41 is the first reinforcing rib, and 42 is the second reinforcing rib.

[0029] 51 is the first guide hole, 52 is the top post, and 53 is the first top spring.

[0030] 61 is the second guide hole, 62 is the guide post, and 63 is the second top spring. Detailed Implementation

[0031] The technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0032] It should be noted that if any directional indication (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial, etc.) is involved in the embodiments of this utility model, the directional indication is only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.

[0033] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," such descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0034] like Figures 1 to 6 As shown, a door inner frame integral stamping die includes:

[0035] The lower mold is concave and has a forming groove, the forming groove has an inner cavity, the inner cavity is rectangular, the corner end of the inner cavity is provided with a first arc-shaped corner, the upper wall of the lower mold is a supporting surface, and the upper end of the forming groove and the supporting surface are provided with a second arc-shaped corner;

[0036] The upper mold includes an upper plate, a movable plate slidingly installed on the bottom wall of the upper plate, and a pressing mold arranged between the movable plate, the pressing mold includes a forming part and an upper seat horizontally extending from the upper wall of the forming part, the corner end of the forming part is provided with a third arc-shaped corner matched with the first arc-shaped corner,

[0037] The top end of the upper mold is provided with a hydraulic device for driving the upper mold to move towards the lower mold,

[0038] The lower wall of the upper seat and the upper end of the forming part are provided with a fourth arc-shaped corner matched with the second arc-shaped corner;

[0039] The outer peripheral wall of the forming part is a vertical surface, the vertical surface is used for forming a folded edge, and the forming part can move between a position extending into the forming groove and a position away from the forming groove;

[0040] When the mold is closed, the lower wall of the forming part abuts against the plate surface until the movable plate abuts against the upper plate, the forming part applies pressure to the plate surface until the forming part extends into the forming groove.

[0041] In actual processing, the door plate is first processed to have a door hole and a reserved folded edge position (i.e., a plate surface), the door plate is placed on the supporting surface, then the lower wall of the forming part abuts against the plate surface, thereby achieving positioning of the plate surface, when the upper wall of the movable plate abuts against the lower wall of the upper plate, the hydraulic machine of the upper plate continuously applies pressure until the plate surface is punched and bent to form a folded edge, when the forming part and the forming groove are closed, the first arc-shaped corner and the second arc-shaped corner cooperate to form a first R corner, wherein the plate surface is processed, and the corner end thereof is also chamfered inward, thereby achieving no deformation after processing;

[0042] When the second arc-shaped corner and the fourth arc-shaped corner are closed, a second R corner is formed, which is simple and stable in structure,

[0043] The design point is that the inward chamfer of the plate surface and the arrangement of the movable plate can achieve precise punching, thereby reducing the problem of post-processing, and the predetermined pressure can be maintained for a predetermined time after processing, thereby reducing deformation.

[0044] Specifically, the first arc-shaped corner and / or the third arc-shaped corner is provided with a first rib position, the first rib position vertically extends along the height direction, wherein the arrangement of the first rib position can avoid wrinkling during punching, and the first rib position can be a groove and a convex part in cooperation, or a single convex part,

[0045] That is, the deformation range of the metal can be formed by the rib, and meanwhile, stress deformation after the mold is opened can be avoided, although the rib is simple to set, the structural strength and stability of the inner frame are effectively ensured.

[0046] Specifically, the first rib is in a linear or segmental structure, and the width of the first rib is 0.02-0.2 mm, so that the stretching mark can be avoided, and the smoothness of the mold closing can be ensured, and the specific size is determined by the material of the door plate, for example, when the door plate is made of aluminum alloy, the wider the first rib is, the smaller the wrinkling probability is, but the structural strength is smaller, so that the structural strength of the inner frame can be improved by the first rib.

[0047] Specifically, the second arc-shaped angle and / or the fourth arc-shaped angle are provided with a second rib, the second rib vertically extends along the length direction, is transversely arranged, and has a structure similar to that of the first rib, so that the structural strength is improved, and the material wrinkling is avoided.

[0048] Specifically, the second rib is in a linear or segmental structure, and the width of the first rib is 0.02-0.1 mm.

[0049] Specifically, the first rib is a convex part or a groove.

[0050] Specifically, the second rib is a convex part or a groove.

[0051] In the embodiment of the utility model, the bottom wall of the forming groove is provided with a plurality of first guide holes which are distributed at intervals, the first guide holes are provided with a setting top post which slides, a first top spring is arranged between the lower wall of the top post and the first guide hole, the first top spring is used for exerting an upward elastic force on the top post, thereby facilitating the separation of the forming part.

[0052] In the embodiment of the utility model, the upper plate is provided with a second guide hole, the movable plate is provided with a guide column which cooperates with the second guide hole, the guide column is slidably installed in the second guide hole, the second guide hole is provided with a second top spring, the second top spring can exert a pressure on the guide column and make the movable plate slide downward, thereby realizing the positioning of the forming part to the plate surface.

[0053] In the embodiment of the utility model, the mold press is detachably installed on the movable plate, and the forming part and the upper seat are integrally formed, wherein the forming groove can also be detachably installed.

[0054] The above only describes the preferred embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct / indirect application in other related technical fields within the utility model concept of the utility model and the contents of the utility model specification and drawings are included in the patent protection range of the utility model.

Claims

1. A door inner frame integrated stamping die, characterized by, The utility model relates to a double -sided folding machine, including: Lower mould, the lower mould is concave and is equipped with the forming groove, the forming groove is equipped with the inner chamber, the inner chamber is rectangular, the corner end of inner chamber is equipped with the first arc angle, the upper wall of lower mould is the bearing surface, the second arc angle between the upper end of forming groove and bearing surface, Upper mould, the upper mould includes the upper plate, the movable plate of sliding installation in the bottom wall of upper plate and the mould pressing of being equipped with between movable plate, the mould pressing includes the forming part and the upper seat of horizontal extension from the upper wall of forming part, the corner end of forming part is equipped with the third arc angle with first arc angle cooperation, The lower wall of upper seat and the upper end of forming part are equipped with the fourth arc angle with second arc angle cooperation, The outer circumferential wall of forming part is vertical surface, and the vertical surface is used for forming the flanging, and the forming part can move between the position of extending into the forming groove and the position of moving away from the forming groove, When the mould is closed, the lower wall of forming part and the plate surface are resisted, and until the movable plate and the upper plate are resisted, the forming part exerts the pressure on the plate surface until extending into the forming groove.

2. The door inner frame integrated stamping die according to claim 1, characterized in that: The first arc angle and / or third arc angle are equipped with the first muscle position, and the first muscle position extends vertically along the height direction.

3. The door inner frame integrated stamping die according to claim 2, characterized in that: The first muscle position is linear or line segment structure, and the width of first muscle position is 0.02mm-0.2mm.

4. The door inner frame integrated stamping die according to claim 3, characterized in that: The second arc angle and / or fourth arc angle are equipped with the second muscle position, and the second muscle position extends vertically along the length direction.

5. The door inner frame integrated stamping die according to claim 4, characterized in that: The second muscle position is linear or line segment structure, and the width of first muscle position is 0.02mm-0.1mm.

6. The door inner frame integrated stamping die according to claim 2, wherein: The first muscle position is convex part or groove.

7. The door inner frame integrated stamping die according to claim 4, characterized in that: The second muscle position is convex part or groove.

8. The door inner frame integrated stamping die according to claim 1, characterized in that: The bottom wall of forming groove is equipped with a plurality of interval distribution first guide hole, and the first guide hole is equipped with the setting top pillar of sliding, and the lower wall of top pillar and first guide hole are equipped with the first top spring, and the first top spring is used to exert the elastic force of going up to top pillar.

9. The door inner frame integrated stamping die according to claim 1, characterized in that: The upper plate is equipped with the second guide hole, and the movable plate is equipped with the guide column with second guide hole cooperation, and the guide column is slidingly installed in the second guide hole, and the second guide hole is equipped with the second top spring, and the second top spring can exert the pressure of going to guide column and make movable plate slide towards down.

10. The door inner frame integrated stamping die according to claim 1, characterized in that: The mould pressing can be detachably installed in movable plate, and the forming part and upper seat are integrally formed.

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