Screw riveting stamping die for air conditioner chassis

Abstract

The utility model relates to a screw riveting and stamping die for an air conditioner chassis, which is used for the air conditioner chassis with a screw at one end and comprises an upper clamping plate, an upper stripping plate, a riveting punch, a lower die plate, a riveting female die, a lower base plate, an elastic supporting piece and a lower die holder. A positioning groove matched with the air conditioner chassis is formed in the upper stripping plate, a punch through hole is formed in the position, corresponding to a screw on the air conditioner chassis, in the positioning groove, the riveting punch is located in the punch through hole, and the end, away from the lower die plate, of the riveting punch abuts against the upper clamping plate; a female die through hole is formed in the position, right opposite to the punch through hole, of the lower die plate, the riveting female die is located in the female die through hole, the end, away from the upper stripping plate, of the riveting female die abuts against the lower cushion plate, the riveting female die is provided with an installation hole matched with a screw, and the elastic supporting piece is fixed to the lower die base. The telescopic end of the elastic supporting piece abuts against the air conditioner base plate. Compared with the prior art, the riveting device has the advantages of high riveting efficiency, high riveting quality and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioner parts forming die field especially is involved in a kind of screw riveting punch die of air conditioner chassis. BACKGROUND

[0002] The types of air conditioner at present stage are various, and the air conditioner used in room can be divided into split air conditioner, integrated air conditioner and central air conditioner. The split air conditioner includes indoor unit and outdoor unit, since the outdoor unit is exposed in open air environment for a long time, and the shell is the most important part of outdoor unit in open air environment. The chassis is an important component of air conditioner outdoor unit shell, and multiple screws and guide columns are riveted on the existing air conditioner chassis, and the conventional riveting mode is time-consuming and laborious.

[0003] The invention with publication number CN108421902A discloses a riveting die for installing riveting bolts on refrigerator press support plate, comprising an upper die seat and a lower die seat, an upper clamp plate and an upper stripper plate are sequentially arranged below the upper die seat, a riveting punch is arranged on the upper clamp plate, the riveting punch penetrates through the upper stripper plate, and a punch pad is arranged at the corresponding position of the upper die seat, a spring is arranged between the upper die seat and the upper stripper plate, one end of the spring is fixed on the upper die seat, a lower die plate is arranged on the lower die seat, a bolt hole is arranged on the lower die plate at the position corresponding to the riveting punch, a material pushing column is arranged at the bottom of the bolt hole, a positioning pin is arranged between the upper stripper plate, the lower die plate and the lower die seat, a positioning block is arranged on the lower die plate, a combined pin is arranged between the upper die seat and the upper clamp plate, and between the lower die seat and the lower die plate, an inner guide column is arranged between the upper clamp plate and the upper stripper plate, and between the lower die seat and the lower die plate, and outer guide columns are arranged at the four corners of the upper die seat and the lower die seat.

[0004] However, the above-mentioned existing riveting die cannot guarantee the positioning before riveting for large eccentrically placed air conditioner chassis structure, and the riveting position accuracy of screw or guide column cannot be guaranteed. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the defects of the prior art that cannot accurately position between riveting screw and air conditioner chassis for large eccentrically placed air conditioner chassis, and low riveting quality, and provides a screw riveting punch die for air conditioner chassis.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] A screw riveting punch die for air conditioner chassis is used for air conditioner chassis with screw at one end, and the die comprises an upper clamp plate, an upper stripper plate, a riveting punch, a lower die plate, a riveting concave die, a lower backing plate, an elastic support and a lower die seat.

[0008] The upper stripping plate is provided with a positioning groove matched with the air conditioner base plate, a punch hole is formed in the position corresponding to the screw on the air conditioner base plate, the riveting punch is located in the punch hole and the end away from the lower template abuts against the upper clamping plate;

[0009] The lower template is provided with a die hole opposite to the punch hole, the riveting die is located in the die hole and the end away from the upper stripping plate abuts against the lower base plate, the riveting die is provided with a mounting hole matched with the screw, the elastic supporting member is fixed on the lower die seat and the telescopic end of the elastic supporting member abuts against the air conditioner base plate.

[0010] Preferably, the mold further comprises a lower ejector plate and a lower ejector rod, the mounting hole is a through hole structure, the lower die seat is fixed on the lower base, one end of the lower ejector plate is movably connected with the lower ejector plate, one end of the lower ejector rod is connected with the lower ejector plate and the other end of the lower ejector rod passes through the lower die seat and is located in the mounting hole.

[0011] Preferably, the lower die seat is provided with a guide column guide sleeve, the guide column guide sleeve is fixed on the lower die seat and the lower ejector rod passes through the guide column guide sleeve.

[0012] Preferably, one end of the lower ejector rod is provided with a threaded hole, the lower ejector rod is fixed on the lower ejector plate through the screw.

[0013] Preferably, the lower ejector plate is provided with a guide rod, the lower die seat is provided with a guide hole matched with the guide rod, one end of the guide rod is fixed on the lower ejector plate and the other end of the guide rod passes through the guide hole.

[0014] Preferably, the upper clamping plate is fixed on the upper die seat, the gap spring is arranged between the upper die seat and the upper stripping plate, and the gap is arranged between the upper clamping plate and the upper stripping plate.

[0015] Preferably, the number of the gap springs is multiple, and each gap spring is uniformly distributed between the upper die seat and the upper stripping plate.

[0016] Preferably, the lower template comprises a riveting lower die and a supporting lower die, the die hole is located on the riveting lower die, the supporting lower die is fixed on one side of the riveting lower die, and the upper end faces of the riveting lower die and the supporting lower die are located in the same plane.

[0017] Preferably, the riveting lower die is provided with a fixing groove at the end away from the die hole, and the supporting lower die is arranged in the fixing groove.

[0018] Preferably, the number of the elastic supporting members is multiple, and each elastic supporting member is uniformly distributed at the edge position of the lower die seat.

[0019] Compared with the prior art, the utility model has the following advantages:

[0020] Compared with the prior art, the utility model has the following advantages:(1) the scheme will be ready to rivet the air conditioner bottom plate placed in the positioning groove of the upper off plate, and through the elastic support piece of the extension end abutting, make the air conditioner bottom disc locate in the positioning groove, place the screw ready to rivet in the installation hole of the riveting concave die, in the process of closing the mold, the elastic support piece abuts against the air conditioner bottom disc and shrinks, the riveting punch stamps and rivets the air conditioner bottom disc and the screw in the installation hole.

[0021] By setting the positioning groove on the upper off plate, cooperating with the elastic support piece to abut the air conditioner bottom disc in the positioning groove, and making one end of the riveting punch contact the position to be riveted of the air conditioner bottom disc, the riveting force of the screw and the air conditioner bottom disc is improved, and the deformation of the air conditioner is avoided, and the riveting quality of the screw is improved. And the screw to be riveted is fixed through the installation hole on the riveting concave die, and the riveting of the screw on the air conditioner bottom disc is completed by cooperating with the riveting punch, so that the riveting efficiency of the air conditioner bottom disc is improved.

[0022] (2) By setting the gap spring between the upper die seat and the upper off plate, a gap is reserved between the upper clamp plate and the riveting punch installed on the upper clamp plate and the air conditioner bottom disc abutting in the positioning groove on the upper off plate. When stamping and riveting, the riveting punch can provide greater force to the riveting position of the screw and the air conditioner bottom disc, thereby improving the riveting quality of the screw. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The structure schematic view of the riveting die is provided in the utility model;

[0024] Figure 2 The structure schematic view of the upper off plate is provided in the utility model;

[0025] Figure 3 The structure schematic view of the lower die plate is provided in the utility model;

[0026] Figure 4 The structure schematic view of the riveting concave die is provided in the utility model;

[0027] Figure 5 The structure schematic view of the air conditioner bottom disc is provided in the utility model;

[0028] In the drawing: 1, air conditioner bottom disc, 2, upper off plate, 3, riveting punch, 4, lower die plate, 5, riveting concave die, 6, lower backing plate, 7, elastic support piece, 8, lower die seat, 9, lower ejector rod, 10, lower knock-out plate, 11, guide column guide sleeve, 12, gap spring; 21, positioning groove, 22, punch through hole; 41, die through hole, 42, support lower die, 43, riveting lower die, 51, installation hole. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme of the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0030] 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 present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0031] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0032] 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 present application is used, and are only for the convenience of describing the present 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 present application.

[0033] It should be noted that the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "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.

[0034] 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 relatively more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0035] Embodiment 1

[0036] As Figures 1 to 5As shown, the embodiment provides a screw riveting stamping die for air conditioner chassis, which is used for air conditioner chassis 1 with screw at one end, and the die comprises upper clamping plate, upper stripper plate 2, riveting punch 3, lower die plate 4, riveting concave die 5, lower cushion plate 6, elastic support 7 and lower die seat 8.

[0037] The upper stripper plate 2 is provided with positioning groove 21 matched with the air conditioner chassis 1, and the punch through hole 22 is arranged in the corresponding position of the positioning groove 21 and matched with the screw on the air conditioner chassis 1, and the riveting punch 3 is located in the punch through hole 22 and abuts against the upper clamping plate away from the lower die plate 4.

[0038] The lower die plate 4 is provided with concave die through hole 41 at the position opposite to the punch through hole 22, and the riveting concave die 5 is located in the concave die through hole 41 and abuts against the lower cushion plate 6 away from the upper stripper plate 2, and the riveting concave die 5 is provided with mounting hole 41 matched with the screw, the elastic support 7 is fixed on the lower die seat 8, and the elastic support 7 abuts against the air conditioner chassis 1 at the extension end.

[0039] Working principle: the air conditioner chassis 1 ready for riveting screw is placed in the positioning groove 21 of the upper stripper plate 2, and is abutted by the extension end of the elastic support 7, so that the air conditioner chassis 1 is located in the positioning groove 21, and the screw ready for riveting is placed in the mounting hole 41 of the riveting concave die 5, in the process of die closing, the elastic support 7 is contracted by abutting against the air conditioner chassis, and the riveting punch 3 is used for stamping and riveting the air conditioner chassis 1 and the screw in the mounting hole 41.

[0040] By arranging the positioning groove 21 on the upper stripper plate 2, cooperating with the elastic support 7 to abut the air conditioner chassis 1 in the positioning groove 21, and making one end of the riveting punch 3 contact the position to be riveted of the air conditioner chassis 1, the riveting force of the screw and the air conditioner chassis 1 is improved, and the deformation of the air conditioner 1 is avoided, and the riveting quality of the screw is improved. The screw to be riveted is fixed through the mounting hole 51 of the riveting concave die 5, and the riveting of the screw on the air conditioner chassis 1 is completed by cooperating with the riveting punch 3, and the riveting efficiency of the air conditioner chassis 1 is improved.

[0041] Preferably, the die further comprises lower ejector rod 9 and lower knock-out plate 10, the mounting hole 51 is a through hole structure, the lower die seat 8 is fixed on the lower cushion foot 11, one end of the lower knock-out plate 10 is movably connected with the lower knock-out plate 10, one end of the lower ejector rod 9 is connected with the lower knock-out plate 10, and the other end of the lower ejector rod 9 passes through the lower die seat 8 and is located in the mounting hole 51.

[0042] The lower die seat 8 is provided with guide column guide sleeve, the guide column guide sleeve is fixed on the lower die seat 8, and the lower ejector rod 9 passes through the guide column guide sleeve. One end of the lower ejector rod 9 is provided with threaded hole, and the lower ejector rod 9 is fixed on the lower knock-out plate 10 through screw. The lower knock-out plate 10 is provided with guide rod, the lower die seat 8 is provided with guide hole matched with the guide rod, one end of the guide rod 1 is fixed on the lower knock-out plate 10, and the other end of the guide rod 1 passes through the guide hole.

[0043] Through the movable setting of the lower knock-out plate 10, the lower ejector rod 9 arranged on the lower knock-out plate 10 is used to knock out the screw inside the mounting hole 51 of the riveting concave die 5, and contact the riveting position on the air conditioner chassis 1, and then under the action of the riveting punch 3, move downward, and under the action of the limiting structure, rivet the air conditioner chassis 1 and the screw. The positioning accuracy between the air conditioner chassis 1 and the screw is improved, and the riveting quality of the air conditioner chassis is improved.

[0044] In the preferred embodiment, the upper clamping plate is fixed on the upper die seat, a gap spring is arranged between the upper die seat and the upper knock-out plate 2, and a gap is arranged between the upper clamping plate and the upper knock-out plate 2.

[0045] Optionally, the number of gap springs is multiple, and each gap spring is uniformly distributed between the upper die seat and the upper knock-out plate 2. In this embodiment, six gap springs are arranged between the upper die seat and the upper knock-out plate 2, and three are distributed equidistantly on both sides.

[0046] The gap spring arranged between the upper die seat and the upper knock-out plate allows the upper clamping plate and the riveting punch installed on the upper clamping plate to have a gap with the air conditioner chassis abutting against the positioning groove on the upper knock-out plate. When stamping and riveting, the riveting punch can provide greater force to the riveting position of the screw and the air conditioner chassis, improving the riveting quality of the screw.

[0047] Optionally, as shown in Figure 3 the lower die plate 4 includes a riveting lower die 43 and a supporting lower die 42; the concave die through hole 41 is located on the riveting lower die 43, the supporting lower die 42 is fixed on one side of the riveting lower die 43, and the upper end faces of the riveting lower die 41 and the supporting lower die 42 are located in the same plane.

[0048] Specifically, the riveting lower die 43 is provided with a fixing groove at one end away from the concave die through hole 41, and the supporting lower die 42 is installed in the fixing groove.

[0049] Considering that the screw riveting of the air conditioner chassis 1 is offset to one end, in order to simplify the structural features of the die plate and reduce the cost of the die, only the part that needs to be riveted is provided with a corresponding positioning and riveting structure with matched shape, and the other parts are supported by the supporting lower die 42 to avoid deformation of the parts during riveting, thereby reducing the cost while ensuring the reliability of riveting.

[0050] Among them, the number of elastic supporting pieces 7 is multiple, and each elastic supporting piece 7 is uniformly distributed at the edge position of the lower die seat 8. According to the size of the air conditioner chassis 1, the elastic supporting pieces 7 are reasonably arranged to ensure the stability of the air conditioner chassis support.

[0051] The preferred embodiments of the present application are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor based on the concept of the present application. Therefore, any technical solutions obtained by logical analysis, reasoning or limited experiments based on the existing technology within the concept of the present application shall be within the protection scope defined by the claims.

Claims

1. A screw riveting press die for an air conditioner chassis, for an air conditioner chassis (1) having a screw at one end, characterized in that, The mold comprises an upper clamping plate, an upper stripper plate (2), a riveting punch (3), a lower die plate (4), a riveting concave die (5), a lower backing plate (6), an elastic support (7) and a lower die seat (8); The upper stripper plate (2) is provided with a positioning groove (21) matched with the air conditioner chassis (1), the positioning groove (21) is provided with a punch through hole (22) corresponding to the screw on the air conditioner chassis (1), the riveting punch (3) is located in the punch through hole (22), and one end away from the lower die plate (4) abuts against the upper clamping plate; The lower die plate (4) is provided with a die through hole (41) opposite to the punch through hole (22), the riveting concave die (5) is located in the die through hole (41), and one end away from the upper stripper plate (2) abuts against the lower backing plate (6), the riveting concave die (5) is provided with a mounting hole (51) matched with the screw, the elastic support (7) is fixed on the lower die seat (8), and the elastic support (7) is abutted on the air conditioner chassis (1).

2. The screw riveting press die for an air conditioner chassis according to claim 1, wherein The mold further comprises a lower ejector rod (9) and a lower knock-out plate (10), the mounting hole (51) is a through hole structure, the lower die seat (8) is fixed on the lower backing foot, one end of the lower knock-out plate (10) is movably connected with the lower knock-out plate (10), one end of the lower ejector rod (9) is connected with the lower knock-out plate (10), and the other end of the lower ejector rod (9) penetrates through the lower die seat (8) and is located in the mounting hole (51).

3. The screw riveting press die for an air conditioner chassis according to claim 2, wherein The lower die seat (8) is provided with a guide column guide sleeve, the guide column guide sleeve is fixed on the lower die seat (8), and the lower ejector rod (9) penetrates through the guide column guide sleeve (11).

4. The screw riveting press die for an air conditioner chassis according to claim 2, wherein One end of the lower ejector rod (9) is provided with a threaded hole, and the lower ejector rod (9) is fixed on the lower knock-out plate (10) through a screw.

5. The screw riveting press die for an air conditioner chassis according to claim 2, wherein The lower knock-out plate (10) is provided with a guide rod, the lower die seat (8) is provided with a guide hole matched with the guide rod, one end of the guide rod is fixed on the lower knock-out plate (10), and the other end of the guide rod penetrates through the guide hole.

6. The screw riveting press die for an air conditioner chassis according to claim 1, wherein The upper clamping plate is fixed on the upper die seat, the upper die seat and the upper stripper plate (2) are provided with a gap spring (12), and the upper clamping plate and the upper stripper plate (2) are provided with a gap.

7. The screw riveting press die for an air conditioner chassis according to claim 6, wherein The number of the gap springs is multiple, and each gap spring is uniformly distributed between the upper die seat and the upper stripper plate (2).

8. The screw riveting press die for an air conditioner chassis according to claim 1, wherein The lower die plate (4) comprises a riveting lower die (43) and a supporting lower die (42); the die through hole (41) is located on the riveting lower die (43), the supporting lower die (42) is fixed on one side of the riveting lower die (43), and the upper end faces of the riveting lower die (43) and the supporting lower die (42) are located in the same plane.

9. The screw riveting press die for an air conditioner chassis according to claim 8, wherein One end of the riveting lower die (43) away from the die through hole (41) is provided with a fixed groove, and the supporting lower die (42) is installed in the fixed groove.

10. The screw riveting press die for an air conditioner chassis according to claim 1, wherein The number of the elastic supports (7) is multiple, and each elastic support (7) is uniformly distributed at the edge position of the lower die seat (8).

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