Bending die for air conditioner panel

Abstract

Bending ends are arranged on two sides of the air conditioner panel, a barrel-shaped ventilation opening is arranged at the upper end of the air conditioner panel, the die comprises an upper die plate, a movable bending piece, a lower die plate and a floating assembly, the movable bending piece comprises an installation plate and a bending block, the installation plate is fixed on one side of the upper die plate, a limiting groove is arranged on the installation plate, and the bending block is arranged in the limiting groove. The bending block is rotatably fixed in the limiting groove, and a bending forming part matched with the bending part of the panel in shape is arranged at one end, close to the lower template, of the bending block; the floating assembly comprises a floating bending block and a floating supporting block, the floating bending block is movably fixed to the end, close to the movable bending piece, of the lower die plate, the shape of the floating bending block is matched with the shape of the inner side of the bending part of the panel, and the floating supporting block is movably fixed to the end, opposite to the floating bending block, of the lower die plate. Compared with the prior art, the air conditioner panel bending device has the advantages of being high in air conditioner panel bending accuracy, suitable for house type bending positions, small in bending stress, not prone to deformation of panel parts and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioner part forming die field especially air conditioner panel's bending die. BACKGROUND

[0002] The prior art mostly adopts the mode of concave die and convex die when carrying out bending operation, although such operation mode can bend some products, but when bending the parts with complex structure greatly, the complexity of the die is obviously improved, which leads to the increase of the development and manufacturing cost of the die.

[0003] For example, the publication No. CN207982032U discloses a refrigerator back plate bending die, which comprises an upper die structure and a lower die structure, the upper die structure is sequentially provided with an upper die seat, an upper pad, an upper clamping plate and an upper die plate from top to bottom, the lower die structure is sequentially provided with a lower pad foot, a lower die seat, a lower pad and a lower die plate from bottom to top, two lower die plates with the same shape as the refrigerator back plate are symmetrically arranged above the lower pad, a stripping plate is arranged between the two lower die plates, the stripping plate is movably connected above the lower die plate through an equal-height sleeve, inner guide columns are arranged at four corners of the stripping plate, a rectangular spring is arranged between the stripping plate and the lower die seat, and two outer positioning frames are symmetrically arranged on the lower pad.

[0004] However, the above-mentioned bending die is only suitable for bending simple plate parts, and for plate materials with bending end parts at both ends and a cylindrical structure at the upper end, the structure of the upper die plate is relatively complex, which requires higher moving precision of the upper die plate and the lower die plate, otherwise the forming accuracy of the parts is low, but the cost of the device is increased. Moreover, the bending end of the structure is close to the position of the bending angle of the plate, the bending force arm is short, and more force is required for bending, which increases the deformation probability of the product, especially for complex panel parts. UTILITY MODEL CONTENTS

[0005] The utility model discloses a bending die for air conditioner panel, which overcomes the defects of the prior art that the bending part of the die is short in distance from the bending section, the part is subjected to large stress, and the upper die plate exerts force on the positioning part, and the part is easily deformed during the bending process.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A bending die for air conditioner panel, both sides of the air conditioner panel are provided with bending end heads, and a cylindrical vent is arranged at the upper end, the die comprises an upper die plate, a movable bending part, a lower die plate and a floating assembly, the lower die plate is provided with a positioning hole matched with the cylindrical vent;

[0008] The movable bending piece comprises a mounting plate and a bending block, the mounting plate is fixed on one side of the upper die plate, the mounting plate is provided with a limiting groove, the bending block is rotatably fixed in the limiting groove, and the bending block is provided with a bending forming part matched with the shape of the bending part of the panel at one end close to the lower die plate.

[0009] Preferably, one end of the lower die plate is provided with a trapezoidal guide groove, the floating bending block is provided with a trapezoidal guide block matched with the shape of the trapezoidal guide groove, and the trapezoidal guide block is clamped in the trapezoidal guide groove.

[0010] Preferably, the contact surfaces of the trapezoidal guide block and the trapezoidal guide groove are mutually matched inclined end surfaces.

[0011] Preferably, the inclined end surface of the trapezoidal guide groove and the inclined angle of the bottom end of the lower die plate are 68-72 degrees.

[0012] Preferably, the floating support block is provided with a T-shaped guide block, the lower die plate is provided with a T-shaped guide hole, and the floating support block is clamped in the T-shaped guide hole through the T-shaped guide block.

[0013] Preferably, the number of the floating support blocks is multiple, and each floating support block is symmetrically distributed on the two sides of the lower die plate.

[0014] Preferably, the mold further comprises a lower cushion plate, the lower cushion plate is provided with a positioning block, the positioning block is matched with the inside of the cylindrical ventilation opening, and the positioning block is coaxially arranged with the positioning hole.

[0015] Preferably, the mold further comprises a lower die seat and an elastic reset piece, the elastic reset piece is fixed on the lower die seat, and the other end is connected with the floating assembly.

[0016] Preferably, the bending forming part comprises a first circular arc segment, a vertical segment and a second circular arc segment connected in sequence, and the bending directions of the first circular arc segment and the second circular arc segment are opposite.

[0017] Preferably, the included angle of the limiting edges of the two side edges of the limiting groove is greater than the included angle between the two side edges of the bending block.

[0018] Compared with the prior art, the utility model has the following advantages:

[0019] (1) the scheme will be placed in the air conditioning panel bending on the floating bending block and floating support block, and the cylindrical vent is located in the positioning hole on the lower die plate, the preliminary positioning and fixing of the panel, in the process of closing the mold, the bending block bending forming part cooperates with the floating bending block to preliminarily bend the plate, the bending block rotates and the floating bending block moves downward, the gradual bending of the bending part of the panel is completed, and then the mold is removed to complete the bending of the panel.

[0020] By setting the rotatable bending block on the upper die plate, cooperating with the floating bending block set on the lower die plate, the bending part of the panel is gradually formed in the process of closing the mold. There is a certain distance between the bending forming part and the floating bending block, which effectively reduces the stress in the panel forming process and improves the forming yield of the panel. And the positioning hole set on the lower die plate can accommodate the cylindrical vent of the plate, which can assist in positioning and supporting the panel and improve the reliability of the bending forming of the panel.

[0021] (2) the guide structure between the floating bending block and the lower die plate in the scheme adopts an inclined contact end face, so that the floating bending block moves to the lower left during the downward movement of the lower die plate, and the support point of the floating bending block moves, so that the bending part of the panel forms a circular segment bending structure, and the bending effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0022] Fig. 1 The structure schematic view of the movable bending part is provided in the utility model;

[0023] Fig. 2 The structure schematic view of the floating assembly and the lower die plate is provided in the utility model;

[0024] Fig. 3 The partial structure schematic view of the lower die plate is provided in the utility model;

[0025] In the drawing: 1, movable bending part, 2, floating assembly, 3, lower die plate, 4, positioning hole, 11, mounting plate, 12, bending block, 13, limiting groove, 14, bending forming part, 21, floating bending block, 22, floating support block, 141, first circular segment, 142, vertical segment, 143, second circular segment. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all the embodiments. The components of the embodiments of the utility model described and shown in the drawings can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based upon these embodiments of the application, all other embodiments obtained by persons of ordinary skill in the art without creative work are within the scope of the application.

[0028] It should be noted that similar reference numbers and letters refer to similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

[0029] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the application is used, and are merely for the convenience of describing the application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the application.

[0030] It should be noted that the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0031] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0032] Embodiment 1

[0033] As shown in Figs. 1 to 3 The present embodiment provides a bending mold for an air conditioner panel, both sides of the air conditioner panel are provided with a bending end, and the upper end is provided with a cylindrical vent, the mold comprises an upper mold plate, a movable bending part 1, a lower mold plate and a floating assembly 2, the lower mold plate is provided with a positioning hole matched with the cylindrical vent;

[0034] The movable bending piece 1 comprises a mounting plate 11 fixed on one side of the upper die plate and a bending block 12 rotatably fixed in a limiting groove 13 on the mounting plate 11, and the bending block 12 is provided with a bending forming part 14 matched with the shape of the bending part of the panel at the end close to the lower die plate.

[0035] Working principle: the air conditioner panel to be bent is placed on the floating bending block 21 and the floating support block 22, and the cylindrical vent is located in the positioning hole on the lower die plate for preliminary positioning and fixing of the panel, in the process of closing the mold, the bending forming part 14 of the bending block 12 cooperates with the floating bending block 21 to preliminarily bend the panel, the bending block 12 rotates and the floating bending block 21 moves downward to complete the gradual bending of the bending part of the panel, and then the mold is opened to complete the bending of the panel.

[0036] By setting the rotatable bending block 12 on the upper die plate and cooperating with the floating bending block 21 on the lower die plate, the bending part of the panel is gradually formed in the process of closing the mold. There is a certain gap between the bending forming part 14 and the floating bending block 21, which effectively reduces the stress in the panel forming process and improves the panel forming yield. The positioning hole on the lower die plate can accommodate the cylindrical vent of the panel, which can assist in positioning and supporting the panel and improve the reliability of the panel bending forming.

[0037] The preferred embodiment, as shown in Fig. 2 The end of the lower die plate is provided with a trapezoidal guide groove, and the floating bending block 21 is provided with a trapezoidal guide block matched with the shape of the trapezoidal guide groove, and the trapezoidal guide block is clamped in the trapezoidal guide groove.

[0038] The contact surface of the trapezoidal guide block and the trapezoidal guide groove is an inclined end surface matched with each other.

[0039] Further, the inclined angle of the inclined end surface of the trapezoidal guide groove and the bottom end of the lower die plate is 68-72 degrees. Preferably, the inclined angle of the inclined end surface is 70 degrees in combination with the bending angle of the bending part of the panel.

[0040] The guide structure provided between the floating bending block and the lower die plate adopts an inclined contact end surface, so that the floating bending block moves to the lower left during the downward movement of the lower die plate, and the support point of the floating bending block on the panel moves, so that the bending part of the panel forms a circular segment bending structure, and the bending effect is better.

[0041] Among them, as shown in Fig. 3As shown, the floating support block 22 is provided with a T-shaped guide block, and the lower die plate is provided with a T-shaped guide hole, and the floating support block 22 is clamped in the T-shaped guide hole through the T-shaped guide block.

[0042] Moreover, the number of the floating support block 22 is multiple, and each floating support block 22 is symmetrically distributed on both sides of the lower die plate. Two floating support blocks 22 are arranged on both sides of the lower die plate in the embodiment, so as to ensure the stability of the structure support.

[0043] Further, the mold further comprises a lower cushion plate, and the lower cushion plate is provided with a positioning block, the positioning block is matched with the inside of the cylindrical vent, and the positioning block is coaxially arranged with the positioning hole.

[0044] The mold further comprises a lower die seat and an elastic reset member, one end of the elastic reset member is fixed on the lower die seat, and the other end is connected with the floating assembly 2. The elastic reset member can assist in supporting and stripping the formed panel from the lower die plate and the lower cushion plate, thereby improving the forming efficiency of the panel.

[0045] Specifically, the bending forming part 14 comprises a first circular arc segment 141, a vertical segment 142 and a second circular arc segment 143 connected in sequence, and the bending directions of the first circular arc segment 141 and the second circular arc segment 143 are opposite. The included angle of the limiting edges of the two sides of the limiting groove 13 is greater than the included angle between the two sides of the bending block 12.

[0046] First, the first circular arc segment 141 assists in the overall bending of the panel, and then the second circular arc segment 143 is used to form the bending part of the panel.

[0047] The above describes the preferred embodiments of the present application in detail. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the present application. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the prior art according to the concept of the present application shall be within the protection scope defined by the claims.

Claims

1. A bending die for an air conditioner panel, both sides of the air conditioner panel being provided with a bending end, and an upper end being provided with a cylindrical vent, characterized in that, The mold comprises an upper die plate, a movable bending piece (1), a lower die plate and a floating assembly (2), and the lower die plate is provided with positioning holes matched with the cylindrical ventilation openings; The movable bending piece (1) comprises a mounting plate (11) and a bending block (12), the mounting plate (11) is fixed on one side of the upper die plate, the mounting plate (11) is provided with a limiting groove (13), the bending block (12) is rotatably fixed in the limiting groove (13), and one end of the bending block (12) close to the lower die plate is provided with a bending forming part (14) matched with the shape of the panel bending part; the floating assembly (2) comprises a floating bending block (21) and a floating support block (22), the floating bending block (21) is movably fixed at one end of the lower die plate close to the movable bending piece (1), and the shape is matched with the shape of the inner side of the panel bending part, and the floating support block (22) is movably fixed at one end of the lower die plate opposite to the floating bending block (21).

2. The bending mold for an air conditioner panel according to claim 1, wherein One end of the lower die plate is provided with a trapezoidal guide groove, and the floating bending block (21) is provided with a trapezoidal guide block matched with the shape of the trapezoidal guide groove, and the trapezoidal guide block is clamped in the trapezoidal guide groove.

3. The bending mold for an air conditioner panel according to claim 2, wherein The contact surfaces of the trapezoidal guide block and the trapezoidal guide groove are mutually matched inclined end surfaces.

4. The bending mold for an air conditioner panel according to claim 3, wherein The inclined end surface of the trapezoidal guide groove and the inclined angle of the bottom end of the lower die plate are 68-72 degrees.

5. The bending mold for an air conditioner panel according to claim 1, wherein The floating support block (22) is provided with a T-shaped guide block, and the lower die plate is provided with a T-shaped guide hole, and the floating support block (22) is clamped in the T-shaped guide hole through the T-shaped guide block.

6. The bending mold for an air conditioner panel according to claim 1, wherein The number of the floating support blocks (22) is multiple, and each floating support block (22) is symmetrically distributed on both sides of the lower die plate.

7. The bending mold for an air conditioner panel according to claim 1, wherein The mold further comprises a lower backing plate, the lower backing plate is provided with a positioning block, the positioning block is matched with the inside of the cylindrical ventilation opening, and the positioning block is coaxially arranged with the positioning hole.

8. The bending mold for an air conditioner panel according to claim 1, wherein The mold further comprises a lower die holder and an elastic reset piece, the elastic reset piece is fixed on the lower die holder, and the other end is connected with the floating assembly (2).

9. The bending mold for an air conditioner panel according to claim 1, wherein The bending forming part (14) comprises a first circular arc segment (141), a vertical segment (142) and a second circular arc segment (143) connected in sequence, and the bending directions of the first circular arc segment (141) and the second circular arc segment (143) are opposite.

10. The bending mold for an air conditioner panel according to claim 1, wherein The included angle of the limiting edges of the two sides of the limiting groove (13) is greater than the included angle between the two sides of the bending block (12).

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