Photo frame backboard hanging piece, manufacturing process and hanging fixing piece

Abstract

The present application relates to a photo frame backboard connecting device, and particularly discloses a photo frame backboard hanging piece, a manufacturing process and a hanging fixing piece. The hanging piece comprises a hanging ring and a connecting sheet, and the hanging ring and the connecting sheet are an integrated structure punched from a sheet material base. The connecting sheet is provided with a mounting hole for assembling with a connecting nail. The hanging ring is a strip-shaped body formed by punching and bending an annular sheet in one direction and closing the opening. The photo frame backboard hanging piece is integrally formed by processing, and does not need separate processing and assembly, greatly reducing the manufacturing process, improving production efficiency and reducing production cost. Since the hanging ring and the connecting sheet are integrally formed by processing, the hanging ring and the connecting sheet can be manually bent to a certain angle during use to be shaped, so as to be hung and be more flexible. However, the hanging ring formed by bending the strip-shaped body in the prior art cannot realize this function.

Description

TECHNICAL FIELD

[0001] The present application relates to a kind of photo frame backboard connecting device, specifically to a kind of photo frame backboard suspension piece, manufacturing process and suspension fixing piece. BACKGROUND

[0002] Photo frame is mainly used for the four edges of photo positioning, it is favorable to protect photo from damage, it also has aesthetic effect simultaneously.In the use of photo frame, it is more common to hang photo frame by hook for the way of viewing;Specifically, when needing to hang photo frame, the hanging ring of hook is matched with the nail of vertical surface (wall), so as to be hung up, in addition, the rotation angle of hook can be adjusted, so as to achieve the purpose of adjusting photo frame.In prior art, photo frame hook generally includes hanging ring and connecting piece, both are connected together by rotatable structure;Connecting piece includes connecting sheet and connecting nail, connecting sheet is equipped with mounting hole for connecting with connecting nail and rotating connection hole for connecting with hanging ring, connecting nail is assembled in mounting hole, and connecting nail is stapled on photo frame backboard to realize fixed connection;In addition, hanging ring is metal strip formed by bending, generally in triangular shape, and is threaded in rotating connection hole to form rotatable connection.

[0003] The existing photo frame hook has the following disadvantages:

[0004] 1, hanging ring and connecting sheet are in split structure, two parts need to be machined respectively, and multiple assembly is needed to form finished product, which seriously affects the production efficiency of photo frame hook, and leads to the increase of production cost.

[0005] 2, since hanging ring and connecting sheet are connected by rotating structure, although hanging ring can rotate a certain angle relative to connecting sheet to hang on the nail on wall, but since hanging ring and connecting sheet can rotate freely, the angle between hanging ring and connecting sheet after hanging is difficult to adjust freely according to need, so that the angle of photo frame relative to wall surface is inconvenient to adjust. SUMMARY

[0006] The present application aims to overcome the shortcomings of prior art, and provides a kind of photo frame backboard suspension piece, which is integrally formed, convenient to process, simple in structure, conducive to reducing production cost, improving production efficiency, and also convenient for angle adjustment of photo frame relative to wall surface.

[0007] Another object of the present application is to provide a manufacturing process of photo frame backboard suspension piece.

[0008] Still another object of the present application is to provide a photo frame backboard suspension fixing piece.

[0009] The object of the present application is achieved by the following technical solutions:

[0010] A photo frame backboard hanging piece, characterized in that it comprises a hanging ring and a connecting sheet, the hanging ring and the connecting sheet are an integrated structure punched out from a sheet material base material; the connecting sheet is provided with a mounting hole used for assembling with a connecting nail; the hanging ring is a strip-shaped body formed by punching and bending an annular sheet in one direction and closing the opening.

[0011] The working principle of the photo frame backboard hanging piece is as follows:

[0012] The photo frame backboard hanging piece is an integrated structure punched out from a sheet material base material, and the connecting part between the hanging ring and the connecting sheet is directly formed by the sheet material base material itself. Since the sheet material base material used to make the hanging piece has the characteristic of being bendable, the angle of the hanging ring and the connecting sheet can be adjusted by bending the connecting part between the hanging ring and the connecting sheet, thus achieving the same function as the existing assembled hooks, and the processes of separately processing the hanging ring and the connecting sheet and assembling the hanging ring and the connecting sheet are omitted. The production process is greatly simplified, the cost is greatly reduced, and the production efficiency is greatly improved. At the same time, after the hanging ring and the connecting sheet are bent to a set angle, the position between the two will not change automatically, so that the hanging ring and the connecting sheet can be kept at the angle, so that the photo frame and the wall can be kept at a set angle state without being changed at will. When the angle needs to be adjusted, the connecting part between the hanging ring and the connecting sheet can be bent, which is very simple to operate.

[0013] In one preferred embodiment of the present application, a hollow groove is arranged at the connecting part between the connecting sheet and the hanging ring.

[0014] In one preferred embodiment of the present application, the top inner edge of the mounting hole is rounded.

[0015] In one preferred embodiment of the present application, a lower protrusion is arranged at the bottom of the mounting hole, and the lower protrusion is lower than the bottom surface of the connecting sheet.

[0016] In one preferred embodiment of the present application, the hanging ring is arranged upwardly protruding relative to the connecting sheet.

[0017] A manufacturing process of a photo frame backboard hanging piece, characterized in that it comprises the following steps:

[0018] (1) Under the driving of a conveying mechanism, the sheet material base material is intermittently moved through a waste punching station; under the punching action of a punching device, the edge waste on the sheet material base material is punched away, so as to form a plurality of thin sheet bodies with equal intervals on the sheet material base material; wherein the thin sheet bodies are annular sheets at positions corresponding to the forming positions of the hanging rings;

[0019] (2) The sheet material base material continues to move forward to a hanging ring forming station, and under the action of a punching device, the inner and outer edges of the annular sheet are bent in the same direction and inwardly shrink, so that the inner and outer edges of the annular sheet form a strip-shaped body relative to the receiving opening, and the hanging ring composed of the strip-shaped body is formed.

[0020] (3)Finally, the sheet material base moves to the punching station, and the connecting sheet is disconnected from the connecting position of the sheet material base under the action of the punching equipment, so that the hanging pieces are dropped and the processing is completed.

[0021] Preferably, in step (2), the hanging ring forming station comprises a bending station and a closing station arranged along the moving direction of the sheet material base, and each processing station is provided with a stamping equipment and a forming die; wherein the forming die of the bending station comprises a U-shaped bending movable die arranged on the stamping head of the stamping equipment and a bending fixed die arranged opposite to it; the forming die of the closing station comprises a closing movable die arranged on the stamping head of the stamping equipment and a closing fixed die arranged opposite to it, and the closing fixed die is a U-shaped groove structure; in the bending station, the stamping equipment drives the U-shaped bending movable die to stamp the annular sheet, and the annular sheet is stamped into a U-shaped bending structure under the cooperation of the U-shaped bending movable die and the bending fixed die; then in the closing station, the stamping equipment drives the closing movable die to stamp the U-shaped bending structure, and the U-shaped bending structure is further bent inward under the cooperation of the closing fixed die, and finally the closing is closed to form a strip-shaped body.

[0022] Further, the bending station is a single station or multiple stations, and when multiple stations are used, the stamping is performed in multiple stretching forming modes, that is, the annular sheet is formed into a U-shaped bending structure through multiple stamping and stretching; the closing station is a single station or multiple stations, and when multiple stations are used, the processing is performed in multiple extrusion and gradual closing modes.

[0023] Preferably, in step (1), two rows of sheet bodies are punched out on the sheet material base, and the two rows of sheet bodies are arranged staggered.

[0024] Preferably, in step (1), the stamping and forming process of the mounting hole is further included, and the specific steps are as follows: a groove is first punched out at the position corresponding to the mounting hole, and then a through hole is punched out at the bottom of the groove, and the groove and the through hole constitute the mounting hole.

[0025] Preferably, a plurality of positioning holes are arranged on the sheet material base, and the plurality of positioning holes are arranged one-to-one corresponding to the plurality of sheet bodies.

[0026] A photo frame backboard hanging fixing piece, characterized in that it comprises the hanging piece and a connecting nail, and the connecting nail is assembled in the mounting hole. Specifically, the connecting nail can be fixedly connected with the hanging piece through welding or other means, or can be assembled together through rotary connection.

[0027] Compared with the prior art, the present application has the following beneficial effects:

[0028] 1. The backboard hanging piece of the photo frame is an integrated structure punched from a sheet material base, and the connecting part between the hanging ring and the connecting sheet is directly formed by the sheet material base itself. Since the sheet material base for manufacturing the hanging piece has the bendable characteristic, the angle between the hanging ring and the connecting sheet can be adjusted by bending the connecting part between the hanging ring and the connecting sheet, the same function as the existing assembled hook is realized, the processes of respectively processing the hanging ring and the connecting sheet and assembling the hanging ring and the connecting sheet are omitted, the production process is greatly simplified, the cost is greatly reduced, and the production efficiency is greatly improved.

[0029] 2. In the backboard hanging piece of the photo frame, after the hanging ring and the connecting sheet are bent to the set angle, the position between the two will not automatically change, so that the hanging ring and the connecting sheet can be kept at the angle, so that the photo frame and the wall can be kept at the set angle state and will not be randomly changed. When the angle needs to be adjusted, the connecting part between the hanging ring and the connecting sheet can be bent, and the operation is very simple. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figures 1-2 is a structure schematic view of one of the specific embodiments of the backboard hanging piece of the photo frame, wherein, Figure 1 is a top view, Figure 2 is a side view.

[0031] Figure 3 is a cross-sectional schematic view of a forming die in a bending station.

[0032] Figure 4 is a cross-sectional schematic view of a forming die in a closing station.

[0033] Figure 5 is a top view schematic diagram of a ring-shaped sheet.

[0034] Figure 6 is a hanging ring schematic diagram of a strip-shaped body formed by punching and bending the ring-shaped sheet and closing.

[0035] Figure 7 is a cross-sectional schematic view of a strip-shaped body formed by bending and closing the ring-shaped sheet.

[0036] Figure 8 is a processing process schematic diagram of the manufacturing process of the backboard hanging piece of the photo frame. DETAILED DESCRIPTION

[0037] The present application will be further described below in conjunction with the embodiments and the drawings, but the embodiments of the present application are not limited thereto.

[0038] Reference Figures 1-2The photo frame backboard hanging piece of the embodiment comprises a hanging ring 1 and a connecting sheet 2, the hanging ring 1 and the connecting sheet 1 are an integrated structure punched out from a sheet material base 13; the connecting sheet 2 is provided with a mounting hole 3 for assembling with a connecting nail; the hanging ring 1 is a strip-shaped body 6 formed by punching and bending the ring-shaped sheet 8 in one direction and closing the opening. In the embodiment, the hanging ring 1 is in a triangular shape.

[0039] Referring to Figure 1 , a hollow groove 4 is arranged at the connecting part between the connecting sheet 2 and the hanging ring 1. By arranging the hollow groove 4, the connecting position between the connecting sheet 2 and the hanging ring 1 is reduced, so that this part is more convenient to deform, and then the user can bend it. The hollow groove 4 of the embodiment can be processed after the formation of the hanging ring 1 or before the formation of the hanging ring 1.

[0040] Referring to Figure 1 , the inner edge of the top surface of the mounting hole 3 is rounded. In this way, the diameter of the top surface of the mounting hole 3 is expanded, and has a concave shape, so that when the connecting nail is assembled in the mounting hole 3, the top surface of the connecting nail is flush with the top surface of the connecting sheet 2, avoiding the protrusion of the connecting nail to affect the user.

[0041] Referring to Figure 2 , the bottom of the mounting hole 3 is provided with a lower protruding part 5, which is lower than the bottom surface of the connecting sheet 2. By arranging the lower protruding part 5, after the connecting nail is assembled on the photo frame backboard, the whole hanging piece can still move downward, so that the lower protruding part 5 is embedded in the photo frame backboard, to better fix the whole hanging piece. In addition, the arrangement of the lower protruding part 5 can increase the space of the recessed hole of the mounting hole 3, so that the top of the connecting nail is completely embedded in the mounting hole 3, so as to assemble the connecting nail with the mounting hole 3.

[0042] Referring to Figure 2 , the hanging ring 1 is arranged upwardly protruding relative to the connecting sheet 2. By arranging the hanging ring 1 and the connecting sheet 2 in this way, the hanging ring 1 and the connecting sheet 2 can be arranged staggered to a certain extent, avoiding that both are located in the same plane, so that after the hanging piece is connected to the photo frame backboard, the hanging ring 1 can be separated from the photo frame backboard, so as to hang.

[0043] Referring to Figures 1-2 , the working principle of the photo frame backboard hanging piece of the embodiment is as follows:

[0044] The connecting part between the hanging ring 1 and the connecting piece 2 is directly formed by the sheet material 13 itself, and the sheet material 13 used to make the hanging piece has the characteristic of being bendable, so that the angle between the hanging ring 1 and the connecting piece 2 can be adjusted by bending the connecting part between the hanging ring 1 and the connecting piece 2, the same function as the existing assembled hook is achieved, the processes of respectively processing the hanging ring 1 and the connecting piece 2 and assembling the hanging ring 1 and the connecting piece 2 are omitted, the production process is greatly simplified, the cost is greatly reduced, and the production efficiency is greatly improved; at the same time, after the hanging ring 1 and the connecting piece 2 are bent to the set angle, the position between the two will not automatically change, so that the hanging ring 1 and the connecting piece 2 can be kept at the angle, so that the photo frame and the wall can be kept at the set angle state and will not be randomly changed, and when the angle needs to be adjusted, the connecting part between the hanging ring 1 and the connecting piece 2 is bent, which is very simple to operate.

[0045] Referring to Figures 3-8 The manufacturing process of the photo frame back plate hanging piece of the embodiment includes the following steps:

[0046] (1) The sheet material 13 is intermittently moved under the driving of the conveying mechanism through the waste punching station; under the punching action of the punching device, the edge waste on the sheet material 13 is punched and cut away, so as to form a plurality of thin sheet bodies arranged at equal intervals on the sheet material 13; wherein the thin sheet body is an annular sheet 8 at the position corresponding to the hanging ring forming position. At the same time, the punching forming process of the mounting hole is also included, and the specific steps are as follows: first, a groove is punched at the position corresponding to the mounting hole, and then a through hole is punched at the bottom of the groove, and the groove and the through hole constitute the mounting hole.

[0047] (2) The sheet material base 13 continues to move forward to the ring forming station, under the action of the stamping device, the inner and outer edges of the annular sheet 8 are bent in the same direction and shrink inward, and finally the inner and outer edges of the annular sheet 8 form a strip body 6 relative to the receiving port, forming a ring composed of strip bodies 6. Specifically, the ring forming station includes a bending station and a closing station arranged along the moving direction of the sheet material base 13, and each processing station is provided with a stamping device and a forming die; wherein the forming die of the bending station includes a U-shaped bending movable die 7 arranged on the stamping head of the stamping device and a bending fixed die 9 arranged opposite to it; the forming die of the closing station includes a closing movable die 10 arranged on the stamping head of the stamping device and a closing fixed die 12 arranged opposite to it, the closing fixed die 12 is a U-shaped groove structure; in the bending station, the stamping device drives the U-shaped bending movable die 7 to stamp the annular sheet 8, and under the cooperation of the U-shaped bending movable die 7 and the bending fixed die 9, the annular sheet 8 is stamped into a U-shaped bending structure 11; then in the closing station, the stamping device drives the closing movable die 10 to stamp the U-shaped bending structure 11, and under the cooperation of the closing fixed die 12, the U-shaped bending structure 11 is further bent inward, and finally the closing is closed to form a strip body 6 (as shown in Figures 3-7

[0048] (3) Finally, the sheet material base 13 moves to the material punching station, under the action of the material punching device, the connecting position of the connecting sheet 2 and the sheet material base 13 is punched off, so that the hanging pieces fall one by one, and the processing is completed.

[0049] In this embodiment, the bending station can be a single station or multiple stations. When multiple stations are used, the stamping is performed by multiple stretching forming, that is, the annular sheet 8 is stretched and formed into a U-shaped bending structure 11 by multiple stamping. Similarly, the closing station can also be a single station or multiple stations. When multiple stations are used, the processing is performed by multiple extrusion and gradual closing. When multiple stations are used, the bending of the ring 1 is formed by multiple steps, which reduces the deformation degree of the annular sheet 8 each time, and gradually processes and deforms the annular sheet 8 into the ring 1 of the strip body 6, which is beneficial to improve the processing quality.

[0050] In this embodiment, in step (1), two rows of sheet bodies are punched out on the sheet material base 13, and the two rows of sheet bodies are arranged staggered. In this way, the material of the sheet material base 13 can be fully utilized, the waste material can be reduced, and the cost can be saved. In addition, in order to further save raw materials, the two rows of sheet bodies are arranged in an inclined manner, so that according to the triangular ring 1, the adjacent two sheet bodies in the same row can be staggered, and the sheet material base 13 can be fully utilized.

[0051] ​Further, the sheet base material 13 is provided with a plurality of positioning holes 14, which are arranged one-to-one with the plurality of sheet bodies and on one side of the sheet bodies. Specifically, the positioning holes 14 can be formed before the sheet base material 13 enters the punching station, or can be formed simultaneously when punching in step (1). Through the arrangement of the positioning holes 14, the conveying of the base sheet material is facilitated, the conveying precision is improved, and the equipment can be positioned when punching, bending or other processing is performed, so as to ensure the processing precision and improve the product quality.

[0052] The photo frame backboard suspension fixing piece of the embodiment comprises the suspension piece and a connecting nail, and the connecting nail is assembled in the mounting hole 3. Specifically, the connecting nail can be fixedly connected with the suspension piece through welding or other manners, or can be assembled together through the rotary connection manner.

[0053] Embodiment 2

[0054] The difference between the embodiment and the embodiment 1 is that the hanging ring 1 of the photo frame backboard suspension piece of the embodiment is circular. In addition, the hanging ring 1 of the photo frame backboard suspension piece of the embodiment can also be provided in different shapes such as semicircular, rectangular and the like.

[0055] The above is the preferred embodiment of the present application, but the embodiment of the present application is not limited by the above, and any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the present application should be an equivalent replacement method, which is included in the protection scope of the present application.

Claims

1. A picture frame backboard hanger, characterized in that, The hanging ring and the connecting piece are an integrated structure punched from a sheet material base; the connecting piece is provided with a mounting hole for assembling with a connecting nail; the hanging ring is a strip-shaped body formed by punching and bending a ring-shaped sheet in one direction and closing the opening; A hollow groove is arranged at the connecting part between the connecting piece and the hanging ring; The sheet material base has a bendable characteristic, and the positions between the hanging ring and the connecting piece will not change automatically after being bent to a set angle, and the connecting part between the hanging ring and the connecting piece is bent to adjust the angle when needed; The manufacturing process of the photo frame backboard hanging piece includes the following steps: (1) The sheet material base intermittently moves through a scrap punching station under the driving of a conveying mechanism; the edge scrap on the sheet material base is punched away under the punching action of a punching device, so as to form a plurality of sheet bodies with equal intervals on the sheet material base; wherein the sheet body is a ring-shaped sheet at a position corresponding to the hanging ring forming position; (2) The sheet material base continues to move to a hanging ring forming station, and the ring-shaped sheet is bent and shrunk inward in the same direction under the action of a punching device, so that the inner and outer edges of the ring-shaped sheet are connected to form a strip-shaped body, and the hanging ring composed of the strip-shaped body is formed; (3) Finally, the sheet material base moves to a punching station, and the connecting position of the connecting piece and the sheet material base is punched off under the action of a punching device, so that the hanging pieces fall off, and the processing is completed; In step (2), the hanging ring forming station includes a bending station and a closing station arranged along the moving direction of the sheet material base, and each processing station is provided with a punching device and a forming die; wherein the forming die of the bending station includes a U-shaped bending movable die arranged on the punching head of the punching device and a bending fixed die arranged opposite to the bending movable die; the forming die of the closing station includes a closing movable die arranged on the punching head of the punching device and a closing fixed die arranged opposite to the closing movable die, and the closing fixed die is a U-shaped groove structure; in the bending station, the U-shaped bending movable die punches the ring-shaped sheet under the driving of the punching device, and the ring-shaped sheet is punched into a U-shaped bending structure under the cooperation of the U-shaped bending movable die and the bending fixed die; then in the closing station, the closing movable die punches the U-shaped bending structure under the driving of the punching device, and the U-shaped bending structure is further bent inward under the cooperation of the closing fixed die, so that the closing is closed to form a strip-shaped body; The sheet material base is provided with a plurality of positioning holes, which are arranged one by one corresponding to the plurality of sheet bodies and arranged on one side of the sheet body.

2. The photo frame back panel hanger of claim 1, wherein, The bottom of the mounting hole is provided with a lower protrusion which is lower than the bottom surface of the connecting piece.

3. The photo frame back panel hanger of claim 1, wherein, The hanging ring is arranged upwardly protruding relative to the connecting piece.

4. The photo frame back panel hanger of claim 1, wherein, The bending station is a single station or multiple stations, and when multiple stations are used, the punching is performed in multiple stretching forming modes, that is, the ring-shaped sheet is formed into a U-shaped bending structure through multiple punching stretching; the closing station is a single station or multiple stations, and when multiple stations are used, the processing is performed in multiple extrusion and gradual closing modes.

5. The photo frame back panel hanger of claim 1, wherein, In step (1), two rows of sheet bodies are punched on the sheet material base, and the two rows of sheet bodies are arranged staggered.

6. The photo frame back panel hanger of claim 1, wherein, In step (1), the punching forming process of the mounting hole is also included, and the specific steps are as follows: firstly, a groove corresponding to the mounting hole is punched out, and then a through hole is punched out at the bottom of the groove, and the groove and the through hole constitute the mounting hole.

7. A picture frame backboard hanging fixture, characterized in that, The photo frame backboard hanging piece comprises the photo frame backboard hanging piece and the connecting nail, and the connecting nail is assembled in the mounting hole.

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