阅读说明：本技术 一种相框背板悬挂件、制造工艺及悬挂固定件 (Photo frame backboard suspension piece, manufacturing process and suspension fixing piece ) 是由 李俊纬 于 2020-07-14 设计创作，主要内容包括：本发明涉及相框背板连接装置,具体公开一种相框背板悬挂件、制造工艺及悬挂固定件,其中的悬挂件包括挂环和连接片,所述挂环与连接片为从片料基材冲压出来的一体化结构；所述连接片上设有用于与连接钉装配的安装孔；所述挂环为条状体,由环形薄片通过冲压向一个方向弯折并收口形成。本发明的相框背板悬挂件一体成型加工而成,无需单独加工和装配,大大减少制造工艺,提高生产效率,缩减生产成本；由于挂环与连接片一体成型加工而成,在使用时可通过人工弯折使挂环与连接片呈一定角度定型,以便悬挂,灵活性更好；而现有技术中条状体弯折而成的挂环,则无法实现该功能。(The invention 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, wherein the hanging piece comprises a hanging ring and a connecting piece, and the hanging ring and the connecting piece are of an integrated structure stamped out of a sheet material base material; the connecting sheet is provided with a mounting hole for assembling with the connecting nail; the hanging ring is a strip-shaped body and is formed by bending and closing an annular thin sheet in one direction through punching. The photo frame backboard suspension piece is integrally formed and processed, independent processing and assembling are not needed, the manufacturing process is greatly reduced, the production efficiency is improved, and the production cost is reduced; because the hanging ring and the connecting sheet are integrally formed and processed, the hanging ring and the connecting sheet can be shaped at a certain angle by manual bending when in use, so that the hanging ring is convenient to hang, and the flexibility is better; however, the hanging ring formed by bending the strip-shaped body in the prior art cannot realize the function.)

1. A hanging piece of a photo frame backboard is characterized by comprising hanging rings and connecting pieces, wherein the hanging rings and the connecting pieces are of an integrated structure stamped out of a sheet material base material; the connecting sheet is provided with a mounting hole for assembling with the connecting nail; the hanging ring is a strip-shaped body and is formed by bending and closing an annular thin sheet in one direction through punching.

2. The picture frame backboard hanger according to claim 1, wherein a hollow groove is provided at the connecting portion between the connecting piece and the hanging ring.

3. The picture frame backboard hanger according to 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.

4. The picture frame backboard hanger of claim 1, wherein the hanging ring is upwardly convexly disposed relative to the connecting piece.

5. A manufacturing process of a picture frame backboard hanging part is characterized by comprising the following steps:

(1) under the drive of the conveying mechanism, the sheet stock base material intermittently moves through a waste blanking station; punching and cutting away edge waste materials on the sheet stock base material under the punching effect of punching equipment, so that sheets arranged at equal intervals are formed on the sheet stock base material; the part of the thin sheet corresponding to the hanging ring forming position is an annular thin sheet;

(2) the sheet material base material continuously moves forward to a hanging ring forming station, under the action of stamping equipment, the inner edge and the outer edge of the annular sheet are enabled to bend towards the same direction and contract inwards, and finally the inner edge and the outer edge of the annular sheet are butt-jointed and closed to form a strip-shaped body to form a hanging ring formed by the strip-shaped body;

(3) and finally, moving the sheet stock base material to a punching station, and punching off the connecting position of the connecting sheet and the sheet stock base material under the action of punching equipment, so that the hanging parts fall off one by one, and finishing processing.

6. The manufacturing process of a photo frame backboard hanger according to claim 5, wherein in the 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 material, and each processing station is provided with a stamping device and a forming die; the forming die of the bending station comprises a U-shaped bending movable die arranged on a stamping head of stamping equipment and a bending fixed die arranged opposite to the U-shaped bending movable die; the forming die of the closing-in station comprises a closing-in moving die arranged on a stamping head of stamping equipment and a closing-in fixed die arranged opposite to the closing-in moving die, and the closing-in fixed die is of a U-shaped groove structure; in a bending station, a stamping device drives a U-shaped bending movable die to stamp an annular sheet, and the annular sheet is stamped into a bending structure with a U-shaped section under the matching of the U-shaped bending movable die and a bending fixed die; and then in a closing-in station, the stamping equipment drives the closing-in moving die to stamp the U-shaped bending structure, the U-shaped bending structure is further bent inwards under the matching of the closing-in fixed die, and finally the closing-in is closed to form a strip-shaped body.

7. The manufacturing process of a picture frame backboard hanger according to claim 6, wherein the bending station is a single station or a plurality of stations, and when a plurality of stations are adopted, the bending station is used for stamping in a multi-drawing manner, that is, the annular thin sheet is drawn and formed into the U-shaped bending structure through a plurality of stamping; the closing station is a single station or a plurality of stations, and when a plurality of stations are adopted, the closing station is processed in a mode of extruding for many times and gradually closing.

8. The process for manufacturing a picture frame back plate hanger according to claim 5, wherein in step (1), two rows of oppositely disposed sheets are cut out from the sheet stock, and the two rows of sheets are offset from each other.

9. The manufacturing process of a picture frame backboard hanger according to claim 5, wherein in the step (1), the manufacturing process further comprises a punch forming process of the mounting hole, and the specific steps are as follows: firstly, punching a groove at a position corresponding to the mounting hole, and then punching a through hole at the bottom of the groove, wherein the groove and the through hole form the mounting hole.

10. A frame backboard hanging fixture, comprising the hanger of claims 1-4 and a connecting peg, wherein the connecting peg fits into the mounting hole.

Technical Field

The invention relates to a photo frame backboard connecting device, in particular to a photo frame backboard hanging piece, a manufacturing process and a hanging fixing piece.

Background

The photo frame is mainly used for positioning four edges of the photo, is beneficial to protecting the photo from being damaged, and has an attractive effect. In the using process of the photo frame, the mode that the photo frame is hung up through the hook for appreciation is common; specifically, when the photo frame needs to be hung, the hanging ring of the hook is matched with the hanging nail of the vertical surface (wall) so as to be hung, and in addition, the purpose of adjusting the photo frame can be achieved by adjusting the rotating angle of the hook. In the prior art, a photo frame hook generally comprises a hanging ring and a connecting piece which are connected together through a rotatable structure; the connecting piece comprises a connecting piece and a connecting nail, the connecting piece is provided with a mounting hole used for being connected with the connecting nail and a rotating connecting hole used for being connected with the hanging ring, the connecting nail is assembled in the mounting hole, and the connecting nail is bound on the back plate of the photo frame to realize fixed connection; in addition, the hanging ring is formed by bending a metal strip, is generally triangular, and penetrates through the rotating connecting hole to form rotatable connection.

The prior photo frame hook has the following defects:

1. for split type structure between link and the connection piece, need carry out the difference processing production of two parts to need carry out the assembly many times and just can form the finished product, seriously influence the production efficiency of photo holder frame couple, and lead to manufacturing cost's promotion.

2. Because the hanging ring and the connecting piece are connected by adopting a rotating structure, although the hanging ring can rotate a certain angle relative to the connecting piece so as to be hung on a hanging nail on a wall, the angle between the hanging ring and the connecting piece after being hung is difficult to freely adjust as required due to the free rotation between the hanging ring and the connecting piece, so that the angle of the photo frame relative to the wall surface is inconvenient to adjust.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides a photo frame backboard suspension piece which is integrally formed and processed, is convenient to process, has a simple structure, is beneficial to reducing the production cost and improving the production efficiency, and is also convenient for adjusting the angle of a photo frame relative to a wall surface.

Another objective of the present invention is to provide a manufacturing process of a suspension member for a back panel of a camera frame.

Still another object of the present invention is to provide a hanging fixture for back plate of photo frame.

The purpose of the invention is realized by the following technical scheme:

a hanging piece of a photo frame backboard is characterized by comprising hanging rings and connecting pieces, wherein the hanging rings and the connecting pieces are of an integrated structure stamped out of a sheet material base material; the connecting sheet is provided with a mounting hole for assembling with the connecting nail; the hanging ring is a strip-shaped body and is formed by bending and closing an annular thin sheet in one direction through punching.

The working principle of the photo frame backboard suspension piece is as follows:

the photo frame backboard suspension piece is of an integrated structure stamped out of a sheet material base material, the connecting part between the suspension ring and the connecting sheet is directly formed by the sheet material base material, and the sheet material base material for manufacturing the suspension piece has a bendable characteristic, so that the angle between the suspension ring and the connecting sheet can be adjusted by bending the connecting part between the suspension ring and the connecting sheet, the same function of the existing assembly type hook is realized, the processes of respectively processing the suspension ring and the connecting sheet and assembling the suspension 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; meanwhile, after the hanging ring and the connecting piece are bent to a set angle, the position between the hanging ring and the connecting piece cannot be automatically changed, so that the hanging ring and the connecting piece can be kept at the angle, the picture frame and the wall can be kept at the set angle state and cannot be randomly changed, when the angle needs to be adjusted, the operation is very simple and convenient by bending the connecting part between the hanging ring and the connecting piece.

According to a preferable scheme of the invention, a hollow groove is formed in a connecting part between the connecting sheet and the hanging ring.

In a preferred embodiment of the present invention, the inner edge of the top surface of the mounting hole is rounded.

In a preferred embodiment of the present invention, the bottom of the mounting hole is provided with a lower protrusion, and the lower protrusion is lower than the bottom surface of the connecting piece.

In a preferred embodiment of the present invention, the hanging ring is protruded upward relative to the connecting piece.

A manufacturing process of a picture frame backboard hanging part is characterized by comprising the following steps:

(1) under the drive of the conveying mechanism, the sheet stock base material intermittently moves through a waste blanking station; punching and cutting away edge waste materials on the sheet stock base material under the punching effect of punching equipment, so that sheets arranged at equal intervals are formed on the sheet stock base material; the part of the thin sheet corresponding to the hanging ring forming position is an annular thin sheet;

(2) the sheet material base material continuously moves forward to a hanging ring forming station, under the action of stamping equipment, the inner edge and the outer edge of the annular sheet are enabled to bend towards the same direction and contract inwards, and finally the inner edge and the outer edge of the annular sheet are butt-jointed and closed to form a strip-shaped body to form a hanging ring formed by the strip-shaped body;

(3) and finally, moving the sheet stock base material to a punching station, and punching off the connecting position of the connecting sheet and the sheet stock base material under the action of punching equipment, so that the hanging parts fall off one by one, and finishing processing.

Preferably, in the step (2), the suspension loop forming station comprises a bending station and a closing station which are arranged along the moving direction of the sheet material base material, and each processing station is provided with a stamping device and a forming die; the forming die of the bending station comprises a U-shaped bending movable die arranged on a stamping head of stamping equipment and a bending fixed die arranged opposite to the U-shaped bending movable die; the forming die of the closing-in station comprises a closing-in moving die arranged on a stamping head of stamping equipment and a closing-in fixed die arranged opposite to the closing-in moving die, and the closing-in fixed die is of a U-shaped groove structure; in a bending station, a stamping device drives a U-shaped bending movable die to stamp an annular sheet, and the annular sheet is stamped into a bending structure with a U-shaped section under the matching of the U-shaped bending movable die and a bending fixed die; and then in a closing-in station, the stamping equipment drives the closing-in moving die to stamp the U-shaped bending structure, the U-shaped bending structure is further bent inwards under the matching of the closing-in fixed die, and finally the closing-in is closed to form a strip-shaped body.

Furthermore, the bending station is a single station or a plurality of stations, and when a plurality of stations are adopted, the punching is carried out in a multi-drawing forming mode, namely, the annular sheet is punched and drawn for a plurality of times to form a U-shaped bending structure; the closing station is a single station or a plurality of stations, and when a plurality of stations are adopted, the closing station is processed in a mode of extruding for many times and gradually closing.

Preferably, in step (1), two rows of oppositely arranged sheets are punched on the sheet material base material, and the two rows of sheets are arranged in a staggered manner.

Preferably, in the step (1), a press forming process of the mounting hole is further included, and the specific steps are as follows: firstly, punching a groove at a position corresponding to the mounting hole, and then punching a through hole at the bottom of the groove, wherein the groove and the through hole form the mounting hole.

Preferably, the sheet base material is provided with a plurality of positioning holes, which are provided in one-to-one correspondence with the plurality of sheets.

The hanging and fixing piece for the back plate of the photo frame is characterized by comprising the hanging piece and a connecting nail, wherein 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 methods, and can also be assembled together through a rotating connection method.

Compared with the prior art, the invention has the following beneficial effects:

1. the photo frame backboard suspension piece is of an integrated structure stamped from the sheet material base material, the connecting part between the suspension ring and the connecting sheet is directly formed by the sheet material base material, and the sheet material base material for manufacturing the suspension piece has the characteristic of being bendable, so that the angle between the suspension ring and the connecting sheet can be adjusted by bending the connecting part between the suspension ring and the connecting sheet, the same function of the existing assembly type hook is realized, the process of respectively processing the suspension ring and the connecting sheet and assembling the suspension ring and the connecting sheet is omitted, the production process is greatly simplified, the cost is greatly reduced, and the production efficiency is greatly improved.

2. In the hanging piece of the photo frame backboard, after the hanging ring and the connecting piece are bent to the set angle, the position between the hanging ring and the connecting piece cannot be automatically changed, so that the hanging ring and the connecting piece can be kept at the angle, the photo frame and the wall can be kept in the set angle state and cannot be randomly changed, when the angle needs to be adjusted, the connecting part between the hanging ring and the connecting piece is bent, and the operation is very simple and convenient.

Drawings

FIGS. 1-2 are schematic structural views of an embodiment of a picture frame backboard hanger according to the present invention, wherein FIG. 1 is a top view and FIG. 2 is a side view.

Fig. 3 is a schematic cross-sectional view of a forming die in a bending station.

Fig. 4 is a schematic cross-sectional view of a forming die in a necking station.

FIG. 5 is a schematic top view of an annular shim.

Fig. 6 is a schematic view of a hanging ring of a strip body formed by punching, bending and closing an annular thin sheet.

FIG. 7 is a schematic cross-sectional view of an annular sheet after bending and necking to form a strip.

FIG. 8 is a schematic view of a manufacturing process of a suspension member of a back plate of a photo frame according to the present invention.

Detailed Description

The present invention will be further described with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

Referring to fig. 1-2, the suspension piece of the backboard of the photo frame of the present embodiment comprises a suspension ring 1 and a connecting sheet 2, wherein the suspension ring 1 and the connecting sheet 1 are of an integrated structure stamped from a sheet material base material 13; the connecting piece 2 is provided with a mounting hole 3 for assembling with a connecting nail; the hanging ring 1 is a strip-shaped body 6 and is formed by bending an annular thin sheet 8 in one direction through punching and closing up. In this embodiment, the suspension loop 1 is triangular.

Referring to fig. 1, a hollow groove 4 is formed at a connecting portion between the connecting piece 2 and the hanging ring 1. Through the setting of fretwork groove 4, reduce the hookup location between connection piece 2 and the link 1 to let here be convenient for more warp, and then the user of being convenient for buckles. The hollow-out groove 4 of the present embodiment can be processed after or before the formation of the suspension loop 1.

Referring to fig. 1, the inner edge of the top surface of the mounting hole 3 is rounded. Like this for the top surface diameter of mounting hole 3 enlarges to have the shape of an indent, let the assembly of connecting nail behind mounting hole 3, thereby the top surface parallel and level of connecting the top surface of nail and connection piece 2 avoid connecting the nail arch and influence the user and use.

Referring to fig. 2, the bottom of the mounting hole 3 is provided with a lower protrusion 5, and the lower protrusion 5 is lower than the bottom surface of the connecting piece 2. Through the setting of lower convex part 5 for after connecting the nail and binding on the photo holder frame backplate, whole suspender can also continue down to remove, make lower convex part 5 imbed on the photo holder frame backplate, in order to realize the fixed of whole suspender better. In addition, the arrangement of the lower convex part 5 can increase the concave hole space of the mounting hole 3, so that the top of the connecting nail is completely embedded into the mounting hole 3, and the connecting nail is assembled with the mounting hole 3.

Referring to fig. 2, the hanging ring 1 is arranged to protrude upwards relative to the connecting piece 2. Through setting up such link 1 and connection piece 2 for link 1 and connection piece 2 can the certain staggered setting of degree, avoid both to be located the coplanar, thereby make the flying piece connect the back on the photo holder frame backplate, link 1 can separate with the photo holder frame backplate, so that hang.

Referring to fig. 1-2, the working principle of the picture frame backboard hanger of the present embodiment is as follows:

the photo frame backboard suspension piece is of an integrated structure stamped out of the sheet material base material 13, the connecting part between the suspension ring 1 and the connecting sheet 2 is directly formed by the sheet material base material 13, and the sheet material base material 13 for manufacturing the suspension piece has the characteristic of being bendable, so that the angles of the suspension ring 1 and the connecting sheet 2 can be adjusted by bending the connecting part between the suspension ring 1 and the connecting sheet 2, the same function of the existing assembly type hook is realized, the processes of respectively processing the suspension ring 1 and the connecting sheet 2 and assembling the suspension ring 1 and the connecting sheet 2 are omitted, the production process is greatly simplified, the cost is greatly reduced, and the production efficiency is greatly improved; meanwhile, after the hanging ring 1 and the connecting piece 2 are bent to a set angle, the position between the hanging ring 1 and the connecting piece 2 cannot be automatically changed, so that the hanging ring 1 and the connecting piece 2 can be kept at the angle, the picture frame and the wall can be kept in a set angle state and cannot be randomly changed, when the angle needs to be adjusted, the connecting part between the hanging ring 1 and the connecting piece 2 is bent, and the operation is very simple and convenient.

Referring to fig. 3-8, the manufacturing process of the picture frame backboard hanger of the embodiment includes the following steps:

(1) under the drive of the conveying mechanism, the sheet stock base material 13 intermittently moves through a waste blanking station; punching and cutting away the edge waste on the sheet stock base material 13 under the punching action of the punching equipment, thereby forming sheets arranged at equal intervals on the sheet stock base material 13; wherein the thin sheet body is an annular thin sheet 8 at the position corresponding to the hanging ring forming position. Simultaneously, still include the stamping forming technology to the mounting hole, concrete step is: firstly, punching a groove at a position corresponding to the mounting hole, and then punching a through hole at the bottom of the groove, wherein the groove and the through hole form the mounting hole.

(2) The sheet material base material 13 continuously moves forward to a hanging ring forming station, under the action of stamping equipment, the inner edge and the outer edge of the annular thin sheet 8 are enabled to bend towards the same direction and contract inwards, finally, the inner edge and the outer edge of the annular thin sheet 8 are relatively closed to form a strip-shaped body 6, and a hanging ring formed by the strip-shaped body 6 is formed. Specifically, the hanging ring forming stations comprise a bending station and a closing station which are arranged along the moving direction of the sheet material base material 13, and each processing station is provided with a stamping device and a forming die; the forming die of the bending station comprises a U-shaped bending movable die 7 arranged on a stamping head of stamping equipment and a bending fixed die 9 arranged opposite to the U-shaped bending movable die; the forming die of the closing-in station comprises a closing-in moving die 10 arranged on a stamping head of stamping equipment and a closing-in fixed die 12 arranged opposite to the closing-in moving die, wherein the closing-in fixed die 12 is of a U-shaped groove structure; in a bending station, the stamping equipment drives the U-shaped bending movable die 7 to stamp the annular sheet 8, and the annular sheet 8 is stamped into a bending structure 11 with a U-shaped section under the matching of the U-shaped bending movable die 7 and the bending fixed die 9; then, in a closing-in station, the stamping device drives the closing-in moving die 10 to stamp the U-shaped bending structure 11, and under the cooperation of the closing-in fixed die 12, the U-shaped bending structure 11 is further bent inwards, and finally the closing-in is closed to form the strip-shaped body 6 (as shown in fig. 3-7).

(3) And finally, the sheet stock base material 13 moves to a punching station, and the connecting position of the connecting sheet 2 and the sheet stock base material 13 is punched under the action of punching equipment, so that the hanging parts fall off one by one, and the processing is finished.

In this embodiment, the bending station may be a single station or a plurality of stations, and when a plurality of stations are adopted, the annular sheet 8 is punched by multiple stretching, that is, the annular sheet 8 is punched and stretched multiple times to form the U-shaped bending structure 11; in a similar way, the closing-in station can also be a single station or a plurality of stations, and when a plurality of stations are adopted, the mode of extruding for many times and gradually closing in is adopted for processing. When a plurality of stations are adopted, the hanging ring 1 is bent through a plurality of steps, the deformation degree of the annular sheet 8 at each time is reduced, the annular sheet 8 is gradually processed and deformed to form the hanging ring 1 of the strip-shaped body 6, and the processing quality is favorably improved.

In this embodiment, in step (1), two rows of sheets are punched out of the sheet material base 13, and the two rows of sheets are arranged to be shifted from each other. Thus, the material of the sheet material base material 13 can be fully utilized, the waste material is reduced, and the cost is saved. In addition, in order to further save raw materials, two rows of sheets are arranged in an inclined manner, so that two adjacent sheets in the same row can be shifted from each other according to the triangular hanging ring 1, and the sheet material base 13 is fully utilized.

Further, a plurality of positioning holes 14 are provided in the sheet base 13, and the plurality of positioning holes 14 are provided on one side of the sheet in one-to-one correspondence with the plurality of sheets. Specifically, the positioning hole 14 may be formed before the sheet base material 13 enters the punching station, or may be formed simultaneously with the punching in step (1). Through the setting of locating hole 14, be convenient for to the transport of substrate sheet stock, improve and carry the precision to can carry out blanking processing, bending processing or other processing and be convenient for equipment and fix a position, thereby ensure the machining precision, improve product quality.

The picture frame backboard hanging and fixing piece comprises the hanging piece and the connecting nail, wherein the connecting nail is assembled in the mounting hole 3. Specifically, the connecting nail can be fixedly connected with the hanging piece through welding or other methods, and can also be assembled together through a rotating connection method.